1use crate::{
2 CloseWindow, NewCenterTerminal, NewFile, NewTerminal, OpenInTerminal, OpenOptions,
3 OpenTerminal, OpenVisible, SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom,
4 Workspace, WorkspaceItemBuilder, ZoomIn, ZoomOut,
5 focus_follows_mouse::FocusFollowsMouse as _,
6 invalid_item_view::InvalidItemView,
7 item::{
8 ActivateOnClose, ClosePosition, Item, ItemBufferKind, ItemHandle, ItemSettings,
9 PreviewTabsSettings, ProjectItemKind, SaveOptions, ShowCloseButton, ShowDiagnostics,
10 TabContentParams, TabTooltipContent, WeakItemHandle,
11 },
12 move_item,
13 notifications::NotifyResultExt,
14 toolbar::Toolbar,
15 workspace_settings::{AutosaveSetting, FocusFollowsMouse, TabBarSettings, WorkspaceSettings},
16};
17use anyhow::Result;
18use collections::{BTreeSet, HashMap, HashSet, VecDeque};
19use futures::{StreamExt, stream::FuturesUnordered};
20use gpui::{
21 Action, Anchor, AnyElement, App, AsyncWindowContext, ClickEvent, ClipboardItem, Context, Div,
22 DragMoveEvent, Entity, EntityId, EventEmitter, ExternalPaths, FocusHandle, FocusOutEvent,
23 Focusable, KeyContext, MouseButton, NavigationDirection, Pixels, Point, PromptLevel, Render,
24 ScrollHandle, Subscription, Task, WeakEntity, WeakFocusHandle, Window, actions, anchored,
25 deferred, prelude::*,
26};
27use itertools::Itertools;
28use language::{Capability, DiagnosticSeverity};
29use parking_lot::Mutex;
30use project::{DirectoryLister, Project, ProjectEntryId, ProjectPath, WorktreeId};
31use schemars::JsonSchema;
32use serde::Deserialize;
33use settings::{Settings, SettingsStore};
34use std::{
35 any::Any,
36 cmp, fmt, mem,
37 num::NonZeroUsize,
38 path::PathBuf,
39 rc::Rc,
40 sync::{
41 Arc,
42 atomic::{AtomicUsize, Ordering},
43 },
44 time::Duration,
45};
46use theme_settings::ThemeSettings;
47use ui::{
48 ContextMenu, ContextMenuEntry, ContextMenuItem, DecoratedIcon, IconButtonShape, IconDecoration,
49 IconDecorationKind, Indicator, PopoverMenu, PopoverMenuHandle, Tab, TabBar, TabPosition,
50 Tooltip, prelude::*, right_click_menu,
51};
52use util::{
53 ResultExt, debug_panic, maybe, paths::PathStyle, serde::default_true, truncate_and_remove_front,
54};
55
56/// A selected entry in e.g. project panel.
57#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
58pub struct SelectedEntry {
59 pub worktree_id: WorktreeId,
60 pub entry_id: ProjectEntryId,
61}
62
63/// A group of selected entries from project panel.
64#[derive(Debug)]
65pub struct DraggedSelection {
66 pub active_selection: SelectedEntry,
67 pub marked_selections: Arc<[SelectedEntry]>,
68}
69
70impl DraggedSelection {
71 pub fn items<'a>(&'a self) -> Box<dyn Iterator<Item = &'a SelectedEntry> + 'a> {
72 if self.marked_selections.contains(&self.active_selection) {
73 Box::new(self.marked_selections.iter())
74 } else {
75 Box::new(std::iter::once(&self.active_selection))
76 }
77 }
78}
79
80#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema)]
81#[serde(rename_all = "snake_case")]
82pub enum SaveIntent {
83 /// write all files (even if unchanged)
84 /// prompt before overwriting on-disk changes
85 Save,
86 /// same as Save, but always formats regardless of the format_on_save setting
87 FormatAndSave,
88 /// same as Save, but without auto formatting
89 SaveWithoutFormat,
90 /// write any files that have local changes
91 /// prompt before overwriting on-disk changes
92 SaveAll,
93 /// always prompt for a new path
94 SaveAs,
95 /// prompt "you have unsaved changes" before writing
96 Close,
97 /// write all dirty files, don't prompt on conflict
98 Overwrite,
99 /// skip all save-related behavior
100 Skip,
101}
102
103/// Activates a specific item in the pane by its index.
104#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
105#[action(namespace = pane)]
106pub struct ActivateItem(pub usize);
107
108/// Closes the currently active item in the pane.
109#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
110#[action(namespace = pane)]
111#[serde(deny_unknown_fields)]
112pub struct CloseActiveItem {
113 #[serde(default)]
114 pub save_intent: Option<SaveIntent>,
115 #[serde(default)]
116 pub close_pinned: bool,
117}
118
119/// Closes all inactive items in the pane.
120#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
121#[action(namespace = pane)]
122#[serde(deny_unknown_fields)]
123#[action(deprecated_aliases = ["pane::CloseInactiveItems"])]
124pub struct CloseOtherItems {
125 #[serde(default)]
126 pub save_intent: Option<SaveIntent>,
127 #[serde(default)]
128 pub close_pinned: bool,
129}
130
131/// Closes all multibuffers in the pane.
132#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
133#[action(namespace = pane)]
134#[serde(deny_unknown_fields)]
135pub struct CloseMultibufferItems {
136 #[serde(default)]
137 pub save_intent: Option<SaveIntent>,
138 #[serde(default)]
139 pub close_pinned: bool,
140}
141
142/// Closes all items in the pane.
143#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
144#[action(namespace = pane)]
145#[serde(deny_unknown_fields)]
146pub struct CloseAllItems {
147 #[serde(default)]
148 pub save_intent: Option<SaveIntent>,
149 #[serde(default)]
150 pub close_pinned: bool,
151}
152
153/// Closes all items that have no unsaved changes.
154#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
155#[action(namespace = pane)]
156#[serde(deny_unknown_fields)]
157pub struct CloseCleanItems {
158 #[serde(default)]
159 pub close_pinned: bool,
160}
161
162/// Closes all items to the right of the current item.
163#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
164#[action(namespace = pane)]
165#[serde(deny_unknown_fields)]
166pub struct CloseItemsToTheRight {
167 #[serde(default)]
168 pub close_pinned: bool,
169}
170
171/// Closes all items to the left of the current item.
172#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
173#[action(namespace = pane)]
174#[serde(deny_unknown_fields)]
175pub struct CloseItemsToTheLeft {
176 #[serde(default)]
177 pub close_pinned: bool,
178}
179
180/// Reveals the current item in the project panel.
181#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
182#[action(namespace = pane)]
183#[serde(deny_unknown_fields)]
184pub struct RevealInProjectPanel {
185 #[serde(skip)]
186 pub entry_id: Option<u64>,
187}
188
189/// Opens the search interface with the specified configuration.
190#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
191#[action(namespace = pane)]
192#[serde(deny_unknown_fields)]
193pub struct DeploySearch {
194 #[serde(default)]
195 pub replace_enabled: bool,
196 #[serde(default)]
197 pub included_files: Option<String>,
198 #[serde(default)]
199 pub excluded_files: Option<String>,
200 #[serde(default)]
201 pub query: Option<String>,
202 #[serde(default)]
203 pub regex: Option<bool>,
204 #[serde(default)]
205 pub case_sensitive: Option<bool>,
206 #[serde(default)]
207 pub whole_word: Option<bool>,
208 #[serde(default)]
209 pub include_ignored: Option<bool>,
210}
211
212#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema, Default)]
213#[serde(deny_unknown_fields)]
214pub enum SplitMode {
215 /// Clone the current pane.
216 #[default]
217 ClonePane,
218 /// Create an empty new pane.
219 EmptyPane,
220 /// Move the item into a new pane. This will map to nop if only one pane exists.
221 MovePane,
222}
223
224macro_rules! split_structs {
225 ($($name:ident => $doc:literal),* $(,)?) => {
226 $(
227 #[doc = $doc]
228 #[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
229 #[action(namespace = pane)]
230 #[serde(deny_unknown_fields, default)]
231 pub struct $name {
232 pub mode: SplitMode,
233 }
234 )*
235 };
236}
237
238split_structs!(
239 SplitLeft => "Splits the pane to the left.",
240 SplitRight => "Splits the pane to the right.",
241 SplitUp => "Splits the pane upward.",
242 SplitDown => "Splits the pane downward.",
243 SplitHorizontal => "Splits the pane horizontally.",
244 SplitVertical => "Splits the pane vertically."
245);
246
247/// Activates the previous item in the pane.
248#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
249#[action(namespace = pane)]
250#[serde(deny_unknown_fields, default)]
251pub struct ActivatePreviousItem {
252 /// Whether to wrap from the first item to the last item.
253 #[serde(default = "default_true")]
254 pub wrap_around: bool,
255}
256
257impl Default for ActivatePreviousItem {
258 fn default() -> Self {
259 Self { wrap_around: true }
260 }
261}
262
263/// Activates the next item in the pane.
264#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
265#[action(namespace = pane)]
266#[serde(deny_unknown_fields, default)]
267pub struct ActivateNextItem {
268 /// Whether to wrap from the last item to the first item.
269 #[serde(default = "default_true")]
270 pub wrap_around: bool,
271}
272
273impl Default for ActivateNextItem {
274 fn default() -> Self {
275 Self { wrap_around: true }
276 }
277}
278
279actions!(
280 pane,
281 [
282 /// Activates the last item in the pane.
283 ActivateLastItem,
284 /// Switches to the alternate file.
285 AlternateFile,
286 /// Navigates back in history.
287 GoBack,
288 /// Navigates forward in history.
289 GoForward,
290 /// Navigates back in the tag stack.
291 GoToOlderTag,
292 /// Navigates forward in the tag stack.
293 GoToNewerTag,
294 /// Joins this pane into the next pane.
295 JoinIntoNext,
296 /// Joins all panes into one.
297 JoinAll,
298 /// Reopens the most recently closed item.
299 ReopenClosedItem,
300 /// Splits the pane to the left, moving the current item.
301 SplitAndMoveLeft,
302 /// Splits the pane upward, moving the current item.
303 SplitAndMoveUp,
304 /// Splits the pane to the right, moving the current item.
305 SplitAndMoveRight,
306 /// Splits the pane downward, moving the current item.
307 SplitAndMoveDown,
308 /// Swaps the current item with the one to the left.
309 SwapItemLeft,
310 /// Swaps the current item with the one to the right.
311 SwapItemRight,
312 /// Toggles preview mode for the current tab.
313 TogglePreviewTab,
314 /// Toggles pin status for the current tab.
315 TogglePinTab,
316 /// Unpins all tabs in the pane.
317 UnpinAllTabs,
318 ]
319);
320
321const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
322
323pub enum Event {
324 AddItem {
325 item: Box<dyn ItemHandle>,
326 },
327 ActivateItem {
328 local: bool,
329 focus_changed: bool,
330 },
331 Remove {
332 focus_on_pane: Option<Entity<Pane>>,
333 },
334 RemovedItem {
335 item: Box<dyn ItemHandle>,
336 },
337 Split {
338 direction: SplitDirection,
339 mode: SplitMode,
340 },
341 ItemPinned,
342 ItemUnpinned,
343 JoinAll,
344 JoinIntoNext,
345 ChangeItemTitle,
346 Focus,
347 ZoomIn,
348 ZoomOut,
349 UserSavedItem {
350 item: Box<dyn WeakItemHandle>,
351 save_intent: SaveIntent,
352 },
353}
354
355impl fmt::Debug for Event {
356 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
357 match self {
358 Event::AddItem { item } => f
359 .debug_struct("AddItem")
360 .field("item", &item.item_id())
361 .finish(),
362 Event::ActivateItem { local, .. } => f
363 .debug_struct("ActivateItem")
364 .field("local", local)
365 .finish(),
366 Event::Remove { .. } => f.write_str("Remove"),
367 Event::RemovedItem { item } => f
368 .debug_struct("RemovedItem")
369 .field("item", &item.item_id())
370 .finish(),
371 Event::Split { direction, mode } => f
372 .debug_struct("Split")
373 .field("direction", direction)
374 .field("mode", mode)
375 .finish(),
376 Event::JoinAll => f.write_str("JoinAll"),
377 Event::JoinIntoNext => f.write_str("JoinIntoNext"),
378 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
379 Event::Focus => f.write_str("Focus"),
380 Event::ZoomIn => f.write_str("ZoomIn"),
381 Event::ZoomOut => f.write_str("ZoomOut"),
382 Event::UserSavedItem { item, save_intent } => f
383 .debug_struct("UserSavedItem")
384 .field("item", &item.id())
385 .field("save_intent", save_intent)
386 .finish(),
387 Event::ItemPinned => f.write_str("ItemPinned"),
388 Event::ItemUnpinned => f.write_str("ItemUnpinned"),
389 }
390 }
391}
392
393/// A container for 0 to many items that are open in the workspace.
394/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
395/// responsible for managing item tabs, focus and zoom states and drag and drop features.
396/// Can be split, see `PaneGroup` for more details.
397pub struct Pane {
398 alternate_file_items: (
399 Option<Box<dyn WeakItemHandle>>,
400 Option<Box<dyn WeakItemHandle>>,
401 ),
402 focus_handle: FocusHandle,
403 items: Vec<Box<dyn ItemHandle>>,
404 activation_history: Vec<ActivationHistoryEntry>,
405 next_activation_timestamp: Arc<AtomicUsize>,
406 zoomed: bool,
407 was_focused: bool,
408 active_item_index: usize,
409 preview_item_id: Option<EntityId>,
410 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
411 nav_history: NavHistory,
412 toolbar: Entity<Toolbar>,
413 pub(crate) workspace: WeakEntity<Workspace>,
414 project: WeakEntity<Project>,
415 pub drag_split_direction: Option<SplitDirection>,
416 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool>>,
417 can_split_predicate:
418 Option<Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool>>,
419 can_toggle_zoom: bool,
420 should_display_tab_bar: Rc<dyn Fn(&Window, &mut Context<Pane>) -> bool>,
421 should_display_welcome_page: bool,
422 render_tab_bar_buttons: Rc<
423 dyn Fn(
424 &mut Pane,
425 &mut Window,
426 &mut Context<Pane>,
427 ) -> (Option<AnyElement>, Option<AnyElement>),
428 >,
429 render_tab_bar: Rc<dyn Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement>,
430 show_tab_bar_buttons: bool,
431 max_tabs: Option<NonZeroUsize>,
432 use_max_tabs: bool,
433 _subscriptions: Vec<Subscription>,
434 tab_bar_scroll_handle: ScrollHandle,
435 /// This is set to true if a user scroll has occurred more recently than a system scroll
436 /// We want to suppress certain system scrolls when the user has intentionally scrolled
437 suppress_scroll: bool,
438 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
439 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
440 display_nav_history_buttons: Option<bool>,
441 double_click_dispatch_action: Box<dyn Action>,
442 save_modals_spawned: HashSet<EntityId>,
443 close_pane_if_empty: bool,
444 pub new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
445 pub split_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
446 pinned_tab_count: usize,
447 diagnostics: HashMap<ProjectPath, DiagnosticSeverity>,
448 zoom_out_on_close: bool,
449 focus_follows_mouse: FocusFollowsMouse,
450 diagnostic_summary_update: Task<()>,
451 /// If a certain project item wants to get recreated with specific data, it can persist its data before the recreation here.
452 pub project_item_restoration_data: HashMap<ProjectItemKind, Box<dyn Any + Send>>,
453 welcome_page: Option<Entity<crate::welcome::WelcomePage>>,
454
455 pub in_center_group: bool,
456}
457
458pub struct ActivationHistoryEntry {
459 pub entity_id: EntityId,
460 pub timestamp: usize,
461}
462
463#[derive(Clone)]
464pub struct ItemNavHistory {
465 history: NavHistory,
466 item: Arc<dyn WeakItemHandle>,
467}
468
469#[derive(Clone)]
470pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
471
472#[derive(Clone)]
473struct NavHistoryState {
474 mode: NavigationMode,
475 backward_stack: VecDeque<NavigationEntry>,
476 forward_stack: VecDeque<NavigationEntry>,
477 closed_stack: VecDeque<NavigationEntry>,
478 tag_stack: VecDeque<TagStackEntry>,
479 tag_stack_pos: usize,
480 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
481 pane: WeakEntity<Pane>,
482 next_timestamp: Arc<AtomicUsize>,
483 preview_item_id: Option<EntityId>,
484}
485
486#[derive(Debug, Default, Copy, Clone)]
487pub enum NavigationMode {
488 #[default]
489 Normal,
490 GoingBack,
491 GoingForward,
492 ClosingItem,
493 ReopeningClosedItem,
494 Disabled,
495}
496
497#[derive(Debug, Default, Copy, Clone)]
498pub enum TagNavigationMode {
499 #[default]
500 Older,
501 Newer,
502}
503
504#[derive(Clone)]
505pub struct NavigationEntry {
506 pub item: Arc<dyn WeakItemHandle + Send + Sync>,
507 pub data: Option<Arc<dyn Any + Send + Sync>>,
508 pub timestamp: usize,
509 pub is_preview: bool,
510 /// Row position for Neovim-style deduplication. When set, entries with the
511 /// same item and row are considered duplicates and deduplicated.
512 pub row: Option<u32>,
513}
514
515#[derive(Clone)]
516pub struct TagStackEntry {
517 pub origin: NavigationEntry,
518 pub target: NavigationEntry,
519}
520
521#[derive(Clone)]
522pub struct DraggedTab {
523 pub pane: Entity<Pane>,
524 pub item: Box<dyn ItemHandle>,
525 pub ix: usize,
526 pub detail: usize,
527 pub is_active: bool,
528}
529
530impl EventEmitter<Event> for Pane {}
531
532pub enum Side {
533 Left,
534 Right,
535}
536
537#[derive(Copy, Clone)]
538enum PinOperation {
539 Pin,
540 Unpin,
541}
542
543impl Pane {
544 pub fn new(
545 workspace: WeakEntity<Workspace>,
546 project: Entity<Project>,
547 next_timestamp: Arc<AtomicUsize>,
548 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool + 'static>>,
549 double_click_dispatch_action: Box<dyn Action>,
550 use_max_tabs: bool,
551 window: &mut Window,
552 cx: &mut Context<Self>,
553 ) -> Self {
554 let focus_handle = cx.focus_handle();
555 let max_tabs = if use_max_tabs {
556 WorkspaceSettings::get_global(cx).max_tabs
557 } else {
558 None
559 };
560
561 let subscriptions = vec![
562 cx.on_focus(&focus_handle, window, Pane::focus_in),
563 cx.on_focus_in(&focus_handle, window, Pane::focus_in),
564 cx.on_focus_out(&focus_handle, window, Pane::focus_out),
565 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
566 cx.subscribe(&project, Self::project_events),
567 ];
568
569 let handle = cx.entity().downgrade();
570
571 Self {
572 alternate_file_items: (None, None),
573 focus_handle,
574 items: Vec::new(),
575 activation_history: Vec::new(),
576 next_activation_timestamp: next_timestamp.clone(),
577 was_focused: false,
578 zoomed: false,
579 active_item_index: 0,
580 preview_item_id: None,
581 max_tabs,
582 use_max_tabs,
583 last_focus_handle_by_item: Default::default(),
584 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
585 mode: NavigationMode::Normal,
586 backward_stack: Default::default(),
587 forward_stack: Default::default(),
588 closed_stack: Default::default(),
589 tag_stack: Default::default(),
590 tag_stack_pos: Default::default(),
591 paths_by_item: Default::default(),
592 pane: handle,
593 next_timestamp,
594 preview_item_id: None,
595 }))),
596 toolbar: cx.new(|_| Toolbar::new()),
597 tab_bar_scroll_handle: ScrollHandle::new(),
598 suppress_scroll: false,
599 drag_split_direction: None,
600 workspace,
601 project: project.downgrade(),
602 can_drop_predicate,
603 can_split_predicate: None,
604 can_toggle_zoom: true,
605 should_display_tab_bar: Rc::new(|_, cx| TabBarSettings::get_global(cx).show),
606 should_display_welcome_page: false,
607 render_tab_bar_buttons: Rc::new(default_render_tab_bar_buttons),
608 render_tab_bar: Rc::new(Self::render_tab_bar),
609 show_tab_bar_buttons: TabBarSettings::get_global(cx).show_tab_bar_buttons,
610 display_nav_history_buttons: Some(
611 TabBarSettings::get_global(cx).show_nav_history_buttons,
612 ),
613 _subscriptions: subscriptions,
614 double_click_dispatch_action,
615 save_modals_spawned: HashSet::default(),
616 close_pane_if_empty: true,
617 split_item_context_menu_handle: Default::default(),
618 new_item_context_menu_handle: Default::default(),
619 pinned_tab_count: 0,
620 diagnostics: Default::default(),
621 zoom_out_on_close: true,
622 focus_follows_mouse: WorkspaceSettings::get_global(cx).focus_follows_mouse,
623 diagnostic_summary_update: Task::ready(()),
624 project_item_restoration_data: HashMap::default(),
625 welcome_page: None,
626 in_center_group: false,
627 }
628 }
629
630 fn alternate_file(&mut self, _: &AlternateFile, window: &mut Window, cx: &mut Context<Pane>) {
631 let (_, alternative) = &self.alternate_file_items;
632 if let Some(alternative) = alternative {
633 let existing = self
634 .items()
635 .find_position(|item| item.item_id() == alternative.id());
636 if let Some((ix, _)) = existing {
637 self.activate_item(ix, true, true, window, cx);
638 } else if let Some(upgraded) = alternative.upgrade() {
639 self.add_item(upgraded, true, true, None, window, cx);
640 }
641 }
642 }
643
644 pub fn track_alternate_file_items(&mut self) {
645 if let Some(item) = self.active_item().map(|item| item.downgrade_item()) {
646 let (current, _) = &self.alternate_file_items;
647 match current {
648 Some(current) => {
649 if current.id() != item.id() {
650 self.alternate_file_items =
651 (Some(item), self.alternate_file_items.0.take());
652 }
653 }
654 None => {
655 self.alternate_file_items = (Some(item), None);
656 }
657 }
658 }
659 }
660
661 pub fn has_focus(&self, window: &Window, cx: &App) -> bool {
662 // We not only check whether our focus handle contains focus, but also
663 // whether the active item might have focus, because we might have just activated an item
664 // that hasn't rendered yet.
665 // Before the next render, we might transfer focus
666 // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
667 // is not hooked up to us in the dispatch tree.
668 self.focus_handle.contains_focused(window, cx)
669 || self
670 .active_item()
671 .is_some_and(|item| item.item_focus_handle(cx).contains_focused(window, cx))
672 }
673
674 fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
675 if !self.was_focused {
676 self.was_focused = true;
677 self.update_history(self.active_item_index);
678 if !self.suppress_scroll && self.items.get(self.active_item_index).is_some() {
679 self.update_active_tab(self.active_item_index);
680 }
681 cx.emit(Event::Focus);
682 cx.notify();
683 }
684
685 self.toolbar.update(cx, |toolbar, cx| {
686 toolbar.focus_changed(true, window, cx);
687 });
688
689 if let Some(active_item) = self.active_item() {
690 if self.focus_handle.is_focused(window) {
691 // Schedule a redraw next frame, so that the focus changes below take effect
692 cx.on_next_frame(window, |_, _, cx| {
693 cx.notify();
694 });
695
696 // Pane was focused directly. We need to either focus a view inside the active item,
697 // or focus the active item itself
698 if let Some(weak_last_focus_handle) =
699 self.last_focus_handle_by_item.get(&active_item.item_id())
700 && let Some(focus_handle) = weak_last_focus_handle.upgrade()
701 {
702 focus_handle.focus(window, cx);
703 return;
704 }
705
706 active_item.item_focus_handle(cx).focus(window, cx);
707 } else if let Some(focused) = window.focused(cx)
708 && !self.context_menu_focused(window, cx)
709 {
710 self.last_focus_handle_by_item
711 .insert(active_item.item_id(), focused.downgrade());
712 }
713 } else if self.should_display_welcome_page
714 && let Some(welcome_page) = self.welcome_page.as_ref()
715 {
716 if self.focus_handle.is_focused(window) {
717 welcome_page.read(cx).focus_handle(cx).focus(window, cx);
718 }
719 }
720 }
721
722 pub fn context_menu_focused(&self, window: &mut Window, cx: &mut Context<Self>) -> bool {
723 self.new_item_context_menu_handle.is_focused(window, cx)
724 || self.split_item_context_menu_handle.is_focused(window, cx)
725 }
726
727 fn focus_out(&mut self, _event: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
728 self.was_focused = false;
729 self.toolbar.update(cx, |toolbar, cx| {
730 toolbar.focus_changed(false, window, cx);
731 });
732
733 cx.notify();
734 }
735
736 fn project_events(
737 &mut self,
738 _project: Entity<Project>,
739 event: &project::Event,
740 cx: &mut Context<Self>,
741 ) {
742 match event {
743 project::Event::DiskBasedDiagnosticsFinished { .. }
744 | project::Event::DiagnosticsUpdated { .. } => {
745 if ItemSettings::get_global(cx).show_diagnostics != ShowDiagnostics::Off {
746 self.diagnostic_summary_update = cx.spawn(async move |this, cx| {
747 cx.background_executor()
748 .timer(Duration::from_millis(30))
749 .await;
750 this.update(cx, |this, cx| {
751 this.update_diagnostics(cx);
752 cx.notify();
753 })
754 .log_err();
755 });
756 }
757 }
758 _ => {}
759 }
760 }
761
762 fn update_diagnostics(&mut self, cx: &mut Context<Self>) {
763 let Some(project) = self.project.upgrade() else {
764 return;
765 };
766 let show_diagnostics = ItemSettings::get_global(cx).show_diagnostics;
767 self.diagnostics = if show_diagnostics != ShowDiagnostics::Off {
768 project
769 .read(cx)
770 .diagnostic_summaries(false, cx)
771 .filter_map(|(project_path, _, diagnostic_summary)| {
772 if diagnostic_summary.error_count > 0 {
773 Some((project_path, DiagnosticSeverity::ERROR))
774 } else if diagnostic_summary.warning_count > 0
775 && show_diagnostics != ShowDiagnostics::Errors
776 {
777 Some((project_path, DiagnosticSeverity::WARNING))
778 } else {
779 None
780 }
781 })
782 .collect()
783 } else {
784 HashMap::default()
785 }
786 }
787
788 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
789 let tab_bar_settings = TabBarSettings::get_global(cx);
790
791 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
792 *display_nav_history_buttons = tab_bar_settings.show_nav_history_buttons;
793 }
794
795 self.show_tab_bar_buttons = tab_bar_settings.show_tab_bar_buttons;
796
797 if !PreviewTabsSettings::get_global(cx).enabled {
798 self.preview_item_id = None;
799 self.nav_history.0.lock().preview_item_id = None;
800 }
801
802 let workspace_settings = WorkspaceSettings::get_global(cx);
803
804 self.focus_follows_mouse = workspace_settings.focus_follows_mouse;
805
806 let new_max_tabs = workspace_settings.max_tabs;
807
808 if self.use_max_tabs && new_max_tabs != self.max_tabs {
809 self.max_tabs = new_max_tabs;
810 self.close_items_on_settings_change(window, cx);
811 }
812
813 self.update_diagnostics(cx);
814 cx.notify();
815 }
816
817 pub fn active_item_index(&self) -> usize {
818 self.active_item_index
819 }
820
821 pub fn is_active_item_pinned(&self) -> bool {
822 self.is_tab_pinned(self.active_item_index)
823 }
824
825 pub fn activation_history(&self) -> &[ActivationHistoryEntry] {
826 &self.activation_history
827 }
828
829 pub fn set_should_display_tab_bar<F>(&mut self, should_display_tab_bar: F)
830 where
831 F: 'static + Fn(&Window, &mut Context<Pane>) -> bool,
832 {
833 self.should_display_tab_bar = Rc::new(should_display_tab_bar);
834 }
835
836 pub fn set_should_display_welcome_page(&mut self, should_display_welcome_page: bool) {
837 self.should_display_welcome_page = should_display_welcome_page;
838 }
839
840 pub fn set_can_split(
841 &mut self,
842 can_split_predicate: Option<
843 Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool + 'static>,
844 >,
845 ) {
846 self.can_split_predicate = can_split_predicate;
847 }
848
849 pub fn set_can_toggle_zoom(&mut self, can_toggle_zoom: bool, cx: &mut Context<Self>) {
850 self.can_toggle_zoom = can_toggle_zoom;
851 cx.notify();
852 }
853
854 pub fn set_close_pane_if_empty(&mut self, close_pane_if_empty: bool, cx: &mut Context<Self>) {
855 self.close_pane_if_empty = close_pane_if_empty;
856 cx.notify();
857 }
858
859 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut Context<Self>) {
860 self.toolbar.update(cx, |toolbar, cx| {
861 toolbar.set_can_navigate(can_navigate, cx);
862 });
863 cx.notify();
864 }
865
866 pub fn set_render_tab_bar<F>(&mut self, cx: &mut Context<Self>, render: F)
867 where
868 F: 'static + Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement,
869 {
870 self.render_tab_bar = Rc::new(render);
871 cx.notify();
872 }
873
874 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut Context<Self>, render: F)
875 where
876 F: 'static
877 + Fn(
878 &mut Pane,
879 &mut Window,
880 &mut Context<Pane>,
881 ) -> (Option<AnyElement>, Option<AnyElement>),
882 {
883 self.render_tab_bar_buttons = Rc::new(render);
884 cx.notify();
885 }
886
887 pub fn nav_history_for_item<T: Item>(&self, item: &Entity<T>) -> ItemNavHistory {
888 ItemNavHistory {
889 history: self.nav_history.clone(),
890 item: Arc::new(item.downgrade()),
891 }
892 }
893
894 pub fn nav_history(&self) -> &NavHistory {
895 &self.nav_history
896 }
897
898 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
899 &mut self.nav_history
900 }
901
902 pub fn fork_nav_history(&self) -> NavHistory {
903 let history = self.nav_history.0.lock().clone();
904 NavHistory(Arc::new(Mutex::new(history)))
905 }
906
907 pub fn set_nav_history(&mut self, history: NavHistory, cx: &Context<Self>) {
908 self.nav_history = history;
909 self.nav_history().0.lock().pane = cx.entity().downgrade();
910 }
911
912 pub fn disable_history(&mut self) {
913 self.nav_history.disable();
914 }
915
916 pub fn enable_history(&mut self) {
917 self.nav_history.enable();
918 }
919
920 pub fn can_navigate_backward(&self) -> bool {
921 !self.nav_history.0.lock().backward_stack.is_empty()
922 }
923
924 pub fn can_navigate_forward(&self) -> bool {
925 !self.nav_history.0.lock().forward_stack.is_empty()
926 }
927
928 pub fn navigate_backward(&mut self, _: &GoBack, window: &mut Window, cx: &mut Context<Self>) {
929 if let Some(workspace) = self.workspace.upgrade() {
930 let pane = cx.entity().downgrade();
931 window.defer(cx, move |window, cx| {
932 workspace.update(cx, |workspace, cx| {
933 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
934 })
935 })
936 }
937 }
938
939 fn navigate_forward(&mut self, _: &GoForward, window: &mut Window, cx: &mut Context<Self>) {
940 if let Some(workspace) = self.workspace.upgrade() {
941 let pane = cx.entity().downgrade();
942 window.defer(cx, move |window, cx| {
943 workspace.update(cx, |workspace, cx| {
944 workspace
945 .go_forward(pane, window, cx)
946 .detach_and_log_err(cx)
947 })
948 })
949 }
950 }
951
952 pub fn go_to_older_tag(
953 &mut self,
954 _: &GoToOlderTag,
955 window: &mut Window,
956 cx: &mut Context<Self>,
957 ) {
958 if let Some(workspace) = self.workspace.upgrade() {
959 let pane = cx.entity().downgrade();
960 window.defer(cx, move |window, cx| {
961 workspace.update(cx, |workspace, cx| {
962 workspace
963 .navigate_tag_history(pane, TagNavigationMode::Older, window, cx)
964 .detach_and_log_err(cx)
965 })
966 })
967 }
968 }
969
970 pub fn go_to_newer_tag(
971 &mut self,
972 _: &GoToNewerTag,
973 window: &mut Window,
974 cx: &mut Context<Self>,
975 ) {
976 if let Some(workspace) = self.workspace.upgrade() {
977 let pane = cx.entity().downgrade();
978 window.defer(cx, move |window, cx| {
979 workspace.update(cx, |workspace, cx| {
980 workspace
981 .navigate_tag_history(pane, TagNavigationMode::Newer, window, cx)
982 .detach_and_log_err(cx)
983 })
984 })
985 }
986 }
987
988 fn history_updated(&mut self, cx: &mut Context<Self>) {
989 self.toolbar.update(cx, |_, cx| cx.notify());
990 }
991
992 pub fn preview_item_id(&self) -> Option<EntityId> {
993 self.preview_item_id
994 }
995
996 pub fn preview_item(&self) -> Option<Box<dyn ItemHandle>> {
997 self.preview_item_id
998 .and_then(|id| self.items.iter().find(|item| item.item_id() == id))
999 .cloned()
1000 }
1001
1002 pub fn preview_item_idx(&self) -> Option<usize> {
1003 if let Some(preview_item_id) = self.preview_item_id {
1004 self.items
1005 .iter()
1006 .position(|item| item.item_id() == preview_item_id)
1007 } else {
1008 None
1009 }
1010 }
1011
1012 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
1013 self.preview_item_id == Some(item_id)
1014 }
1015
1016 /// Promotes the item with the given ID to not be a preview item.
1017 /// This does nothing if it wasn't already a preview item.
1018 pub fn unpreview_item_if_preview(&mut self, item_id: EntityId) {
1019 if self.is_active_preview_item(item_id) {
1020 self.preview_item_id = None;
1021 self.nav_history.0.lock().preview_item_id = None;
1022 }
1023 }
1024
1025 /// Marks the item with the given ID as the preview item.
1026 /// This will be ignored if the global setting `preview_tabs` is disabled.
1027 ///
1028 /// The old preview item (if there was one) is closed and its index is returned.
1029 pub fn replace_preview_item_id(
1030 &mut self,
1031 item_id: EntityId,
1032 window: &mut Window,
1033 cx: &mut Context<Self>,
1034 ) -> Option<usize> {
1035 let idx = self.close_current_preview_item(window, cx);
1036 self.set_preview_item_id(Some(item_id), cx);
1037 idx
1038 }
1039
1040 /// Marks the item with the given ID as the preview item.
1041 /// This will be ignored if the global setting `preview_tabs` is disabled.
1042 ///
1043 /// This is a low-level method. Prefer `unpreview_item_if_preview()` or `set_new_preview_item()`.
1044 pub(crate) fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &App) {
1045 if item_id.is_none() || PreviewTabsSettings::get_global(cx).enabled {
1046 self.preview_item_id = item_id;
1047 self.nav_history.0.lock().preview_item_id = item_id;
1048 }
1049 }
1050
1051 /// Should only be used when deserializing a pane.
1052 pub fn set_pinned_count(&mut self, count: usize) {
1053 self.pinned_tab_count = count;
1054 }
1055
1056 pub fn pinned_count(&self) -> usize {
1057 self.pinned_tab_count
1058 }
1059
1060 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
1061 if let Some(preview_item) = self.preview_item()
1062 && preview_item.item_id() == item_id
1063 && !preview_item.preserve_preview(cx)
1064 {
1065 self.unpreview_item_if_preview(item_id);
1066 }
1067 }
1068
1069 pub(crate) fn open_item(
1070 &mut self,
1071 project_entry_id: Option<ProjectEntryId>,
1072 project_path: ProjectPath,
1073 focus_item: bool,
1074 allow_preview: bool,
1075 activate: bool,
1076 suggested_position: Option<usize>,
1077 window: &mut Window,
1078 cx: &mut Context<Self>,
1079 build_item: WorkspaceItemBuilder,
1080 ) -> Box<dyn ItemHandle> {
1081 let mut existing_item = None;
1082 if let Some(project_entry_id) = project_entry_id {
1083 for (index, item) in self.items.iter().enumerate() {
1084 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1085 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
1086 {
1087 let item = item.boxed_clone();
1088 existing_item = Some((index, item));
1089 break;
1090 }
1091 }
1092 } else {
1093 for (index, item) in self.items.iter().enumerate() {
1094 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1095 && item.project_path(cx).as_ref() == Some(&project_path)
1096 {
1097 let item = item.boxed_clone();
1098 existing_item = Some((index, item));
1099 break;
1100 }
1101 }
1102 }
1103
1104 let set_up_existing_item =
1105 |index: usize, pane: &mut Self, window: &mut Window, cx: &mut Context<Self>| {
1106 if !allow_preview && let Some(item) = pane.items.get(index) {
1107 pane.unpreview_item_if_preview(item.item_id());
1108 }
1109 if activate {
1110 pane.activate_item(index, focus_item, focus_item, window, cx);
1111 }
1112 };
1113 let set_up_new_item = |new_item: Box<dyn ItemHandle>,
1114 destination_index: Option<usize>,
1115 pane: &mut Self,
1116 window: &mut Window,
1117 cx: &mut Context<Self>| {
1118 if allow_preview {
1119 pane.replace_preview_item_id(new_item.item_id(), window, cx);
1120 }
1121
1122 if let Some(text) = new_item.telemetry_event_text(cx) {
1123 telemetry::event!(text);
1124 }
1125
1126 pane.add_item_inner(
1127 new_item,
1128 true,
1129 focus_item,
1130 activate,
1131 destination_index,
1132 window,
1133 cx,
1134 );
1135 };
1136
1137 if let Some((index, existing_item)) = existing_item {
1138 set_up_existing_item(index, self, window, cx);
1139 existing_item
1140 } else {
1141 // If the item is being opened as preview and we have an existing preview tab,
1142 // open the new item in the position of the existing preview tab.
1143 let destination_index = if allow_preview {
1144 self.close_current_preview_item(window, cx)
1145 } else {
1146 suggested_position
1147 };
1148
1149 let new_item = build_item(self, window, cx);
1150 // A special case that won't ever get a `project_entry_id` but has to be deduplicated nonetheless.
1151 if let Some(invalid_buffer_view) = new_item.downcast::<InvalidItemView>() {
1152 let mut already_open_view = None;
1153 let mut views_to_close = HashSet::default();
1154 for existing_error_view in self
1155 .items_of_type::<InvalidItemView>()
1156 .filter(|item| item.read(cx).abs_path == invalid_buffer_view.read(cx).abs_path)
1157 {
1158 if already_open_view.is_none()
1159 && existing_error_view.read(cx).error == invalid_buffer_view.read(cx).error
1160 {
1161 already_open_view = Some(existing_error_view);
1162 } else {
1163 views_to_close.insert(existing_error_view.item_id());
1164 }
1165 }
1166
1167 let resulting_item = match already_open_view {
1168 Some(already_open_view) => {
1169 if let Some(index) = self.index_for_item_id(already_open_view.item_id()) {
1170 set_up_existing_item(index, self, window, cx);
1171 }
1172 Box::new(already_open_view) as Box<_>
1173 }
1174 None => {
1175 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1176 new_item
1177 }
1178 };
1179
1180 self.close_items(window, cx, SaveIntent::Skip, &|existing_item| {
1181 views_to_close.contains(&existing_item)
1182 })
1183 .detach();
1184
1185 resulting_item
1186 } else {
1187 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1188 new_item
1189 }
1190 }
1191 }
1192
1193 pub fn close_current_preview_item(
1194 &mut self,
1195 window: &mut Window,
1196 cx: &mut Context<Self>,
1197 ) -> Option<usize> {
1198 let item_idx = self.preview_item_idx()?;
1199 let id = self.preview_item_id()?;
1200 self.preview_item_id = None;
1201
1202 let prev_active_item_index = self.active_item_index;
1203 self.remove_item(id, false, false, window, cx);
1204 self.active_item_index = prev_active_item_index;
1205 self.nav_history.0.lock().preview_item_id = None;
1206
1207 if item_idx < self.items.len() {
1208 Some(item_idx)
1209 } else {
1210 None
1211 }
1212 }
1213
1214 pub fn add_item_inner(
1215 &mut self,
1216 item: Box<dyn ItemHandle>,
1217 activate_pane: bool,
1218 focus_item: bool,
1219 activate: bool,
1220 destination_index: Option<usize>,
1221 window: &mut Window,
1222 cx: &mut Context<Self>,
1223 ) {
1224 let item_already_exists = self
1225 .items
1226 .iter()
1227 .any(|existing_item| existing_item.item_id() == item.item_id());
1228
1229 if !item_already_exists {
1230 self.close_items_on_item_open(window, cx);
1231 }
1232
1233 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1234 && let Some(&entry_id) = item.project_entry_ids(cx).first()
1235 {
1236 let Some(project) = self.project.upgrade() else {
1237 return;
1238 };
1239
1240 let project = project.read(cx);
1241 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
1242 let abs_path = project.absolute_path(&project_path, cx);
1243 self.nav_history
1244 .0
1245 .lock()
1246 .paths_by_item
1247 .insert(item.item_id(), (project_path, abs_path));
1248 }
1249 }
1250 // If no destination index is specified, add or move the item after the
1251 // active item (or at the start of tab bar, if the active item is pinned)
1252 let mut insertion_index = {
1253 cmp::min(
1254 if let Some(destination_index) = destination_index {
1255 destination_index
1256 } else {
1257 cmp::max(self.active_item_index + 1, self.pinned_count())
1258 },
1259 self.items.len(),
1260 )
1261 };
1262
1263 // Does the item already exist?
1264 let project_entry_id = if item.buffer_kind(cx) == ItemBufferKind::Singleton {
1265 item.project_entry_ids(cx).first().copied()
1266 } else {
1267 None
1268 };
1269
1270 let existing_item_index = self.items.iter().position(|existing_item| {
1271 if existing_item.item_id() == item.item_id() {
1272 true
1273 } else if existing_item.buffer_kind(cx) == ItemBufferKind::Singleton {
1274 existing_item
1275 .project_entry_ids(cx)
1276 .first()
1277 .is_some_and(|existing_entry_id| {
1278 Some(existing_entry_id) == project_entry_id.as_ref()
1279 })
1280 } else {
1281 false
1282 }
1283 });
1284 if let Some(existing_item_index) = existing_item_index {
1285 // If the item already exists, move it to the desired destination and activate it
1286
1287 if existing_item_index != insertion_index {
1288 let existing_item_is_active = existing_item_index == self.active_item_index;
1289
1290 // If the caller didn't specify a destination and the added item is already
1291 // the active one, don't move it
1292 if existing_item_is_active && destination_index.is_none() {
1293 insertion_index = existing_item_index;
1294 } else {
1295 self.items.remove(existing_item_index);
1296 if existing_item_index < self.active_item_index {
1297 self.active_item_index -= 1;
1298 }
1299 insertion_index = insertion_index.min(self.items.len());
1300
1301 self.items.insert(insertion_index, item.clone());
1302
1303 if existing_item_is_active {
1304 self.active_item_index = insertion_index;
1305 } else if insertion_index <= self.active_item_index {
1306 self.active_item_index += 1;
1307 }
1308 }
1309
1310 cx.notify();
1311 }
1312
1313 if activate {
1314 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1315 }
1316 } else {
1317 self.items.insert(insertion_index, item.clone());
1318 cx.notify();
1319
1320 if activate {
1321 if insertion_index <= self.active_item_index
1322 && self.preview_item_idx() != Some(self.active_item_index)
1323 {
1324 self.active_item_index += 1;
1325 }
1326
1327 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1328 }
1329 }
1330
1331 cx.emit(Event::AddItem { item });
1332 }
1333
1334 pub fn add_item(
1335 &mut self,
1336 item: Box<dyn ItemHandle>,
1337 activate_pane: bool,
1338 focus_item: bool,
1339 destination_index: Option<usize>,
1340 window: &mut Window,
1341 cx: &mut Context<Self>,
1342 ) {
1343 if let Some(text) = item.telemetry_event_text(cx) {
1344 telemetry::event!(text);
1345 }
1346
1347 self.add_item_inner(
1348 item,
1349 activate_pane,
1350 focus_item,
1351 true,
1352 destination_index,
1353 window,
1354 cx,
1355 )
1356 }
1357
1358 pub fn items_len(&self) -> usize {
1359 self.items.len()
1360 }
1361
1362 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
1363 self.items.iter()
1364 }
1365
1366 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = Entity<T>> {
1367 self.items
1368 .iter()
1369 .filter_map(|item| item.to_any_view().downcast().ok())
1370 }
1371
1372 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
1373 self.items.get(self.active_item_index).cloned()
1374 }
1375
1376 fn active_item_id(&self) -> EntityId {
1377 self.items[self.active_item_index].item_id()
1378 }
1379
1380 pub fn pixel_position_of_cursor(&self, cx: &App) -> Option<Point<Pixels>> {
1381 self.items
1382 .get(self.active_item_index)?
1383 .pixel_position_of_cursor(cx)
1384 }
1385
1386 pub fn item_for_entry(
1387 &self,
1388 entry_id: ProjectEntryId,
1389 cx: &App,
1390 ) -> Option<Box<dyn ItemHandle>> {
1391 self.items.iter().find_map(|item| {
1392 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1393 && (item.project_entry_ids(cx).as_slice() == [entry_id])
1394 {
1395 Some(item.boxed_clone())
1396 } else {
1397 None
1398 }
1399 })
1400 }
1401
1402 pub fn item_for_path(
1403 &self,
1404 project_path: ProjectPath,
1405 cx: &App,
1406 ) -> Option<Box<dyn ItemHandle>> {
1407 self.items.iter().find_map(move |item| {
1408 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1409 && (item.project_path(cx).as_slice() == [project_path.clone()])
1410 {
1411 Some(item.boxed_clone())
1412 } else {
1413 None
1414 }
1415 })
1416 }
1417
1418 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
1419 self.index_for_item_id(item.item_id())
1420 }
1421
1422 fn index_for_item_id(&self, item_id: EntityId) -> Option<usize> {
1423 self.items.iter().position(|i| i.item_id() == item_id)
1424 }
1425
1426 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
1427 self.items.get(ix).map(|i| i.as_ref())
1428 }
1429
1430 pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1431 if !self.can_toggle_zoom {
1432 cx.propagate();
1433 } else if self.zoomed {
1434 cx.emit(Event::ZoomOut);
1435 } else if !self.items.is_empty() {
1436 if !self.focus_handle.contains_focused(window, cx) {
1437 cx.focus_self(window);
1438 }
1439 cx.emit(Event::ZoomIn);
1440 }
1441 }
1442
1443 pub fn zoom_in(&mut self, _: &ZoomIn, window: &mut Window, cx: &mut Context<Self>) {
1444 if !self.can_toggle_zoom {
1445 cx.propagate();
1446 } else if !self.zoomed && !self.items.is_empty() {
1447 if !self.focus_handle.contains_focused(window, cx) {
1448 cx.focus_self(window);
1449 }
1450 cx.emit(Event::ZoomIn);
1451 }
1452 }
1453
1454 pub fn zoom_out(&mut self, _: &ZoomOut, _window: &mut Window, cx: &mut Context<Self>) {
1455 if !self.can_toggle_zoom {
1456 cx.propagate();
1457 } else if self.zoomed {
1458 cx.emit(Event::ZoomOut);
1459 }
1460 }
1461
1462 pub fn activate_item(
1463 &mut self,
1464 index: usize,
1465 activate_pane: bool,
1466 focus_item: bool,
1467 window: &mut Window,
1468 cx: &mut Context<Self>,
1469 ) {
1470 use NavigationMode::{GoingBack, GoingForward};
1471 if index < self.items.len() {
1472 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
1473 if (prev_active_item_ix != self.active_item_index
1474 || matches!(self.nav_history.mode(), GoingBack | GoingForward))
1475 && let Some(prev_item) = self.items.get(prev_active_item_ix)
1476 {
1477 prev_item.deactivated(window, cx);
1478 }
1479 self.update_history(index);
1480 self.update_toolbar(window, cx);
1481 self.update_status_bar(window, cx);
1482
1483 if focus_item {
1484 self.focus_active_item(window, cx);
1485 }
1486
1487 cx.emit(Event::ActivateItem {
1488 local: activate_pane,
1489 focus_changed: focus_item,
1490 });
1491
1492 self.update_active_tab(index);
1493 cx.notify();
1494 }
1495 }
1496
1497 fn update_active_tab(&mut self, index: usize) {
1498 if !self.is_tab_pinned(index) {
1499 self.suppress_scroll = false;
1500 self.tab_bar_scroll_handle
1501 .scroll_to_item(index - self.pinned_tab_count);
1502 }
1503 }
1504
1505 fn update_history(&mut self, index: usize) {
1506 if let Some(newly_active_item) = self.items.get(index) {
1507 self.activation_history
1508 .retain(|entry| entry.entity_id != newly_active_item.item_id());
1509 self.activation_history.push(ActivationHistoryEntry {
1510 entity_id: newly_active_item.item_id(),
1511 timestamp: self
1512 .next_activation_timestamp
1513 .fetch_add(1, Ordering::SeqCst),
1514 });
1515 }
1516 }
1517
1518 pub fn activate_previous_item(
1519 &mut self,
1520 action: &ActivatePreviousItem,
1521 window: &mut Window,
1522 cx: &mut Context<Self>,
1523 ) {
1524 let mut index = self.active_item_index;
1525 if index > 0 {
1526 index -= 1;
1527 } else if action.wrap_around && !self.items.is_empty() {
1528 index = self.items.len() - 1;
1529 }
1530 self.activate_item(index, true, true, window, cx);
1531 }
1532
1533 pub fn activate_next_item(
1534 &mut self,
1535 action: &ActivateNextItem,
1536 window: &mut Window,
1537 cx: &mut Context<Self>,
1538 ) {
1539 let mut index = self.active_item_index;
1540 if index + 1 < self.items.len() {
1541 index += 1;
1542 } else if action.wrap_around {
1543 index = 0;
1544 }
1545 self.activate_item(index, true, true, window, cx);
1546 }
1547
1548 pub fn swap_item_left(
1549 &mut self,
1550 _: &SwapItemLeft,
1551 window: &mut Window,
1552 cx: &mut Context<Self>,
1553 ) {
1554 let index = self.active_item_index;
1555 if index == 0 {
1556 return;
1557 }
1558
1559 self.items.swap(index, index - 1);
1560 self.activate_item(index - 1, true, true, window, cx);
1561 }
1562
1563 pub fn swap_item_right(
1564 &mut self,
1565 _: &SwapItemRight,
1566 window: &mut Window,
1567 cx: &mut Context<Self>,
1568 ) {
1569 let index = self.active_item_index;
1570 if index + 1 >= self.items.len() {
1571 return;
1572 }
1573
1574 self.items.swap(index, index + 1);
1575 self.activate_item(index + 1, true, true, window, cx);
1576 }
1577
1578 pub fn activate_last_item(
1579 &mut self,
1580 _: &ActivateLastItem,
1581 window: &mut Window,
1582 cx: &mut Context<Self>,
1583 ) {
1584 let index = self.items.len().saturating_sub(1);
1585 self.activate_item(index, true, true, window, cx);
1586 }
1587
1588 pub fn close_active_item(
1589 &mut self,
1590 action: &CloseActiveItem,
1591 window: &mut Window,
1592 cx: &mut Context<Self>,
1593 ) -> Task<Result<()>> {
1594 if self.items.is_empty() {
1595 // Close the window when there's no active items to close, if configured
1596 if WorkspaceSettings::get_global(cx)
1597 .when_closing_with_no_tabs
1598 .should_close()
1599 {
1600 window.dispatch_action(Box::new(CloseWindow), cx);
1601 }
1602
1603 return Task::ready(Ok(()));
1604 }
1605 if self.is_tab_pinned(self.active_item_index) && !action.close_pinned {
1606 // Activate any non-pinned tab in same pane
1607 let non_pinned_tab_index = self
1608 .items()
1609 .enumerate()
1610 .find(|(index, _item)| !self.is_tab_pinned(*index))
1611 .map(|(index, _item)| index);
1612 if let Some(index) = non_pinned_tab_index {
1613 self.activate_item(index, false, false, window, cx);
1614 return Task::ready(Ok(()));
1615 }
1616
1617 // Activate any non-pinned tab in different pane
1618 let current_pane = cx.entity();
1619 self.workspace
1620 .update(cx, |workspace, cx| {
1621 let panes = workspace.center.panes();
1622 let pane_with_unpinned_tab = panes.iter().find(|pane| {
1623 if **pane == ¤t_pane {
1624 return false;
1625 }
1626 pane.read(cx).has_unpinned_tabs()
1627 });
1628 if let Some(pane) = pane_with_unpinned_tab {
1629 pane.update(cx, |pane, cx| pane.activate_unpinned_tab(window, cx));
1630 }
1631 })
1632 .ok();
1633
1634 return Task::ready(Ok(()));
1635 };
1636
1637 let active_item_id = self.active_item_id();
1638
1639 self.close_item_by_id(
1640 active_item_id,
1641 action.save_intent.unwrap_or(SaveIntent::Close),
1642 window,
1643 cx,
1644 )
1645 }
1646
1647 pub fn close_item_by_id(
1648 &mut self,
1649 item_id_to_close: EntityId,
1650 save_intent: SaveIntent,
1651 window: &mut Window,
1652 cx: &mut Context<Self>,
1653 ) -> Task<Result<()>> {
1654 self.close_items(window, cx, save_intent, &move |view_id| {
1655 view_id == item_id_to_close
1656 })
1657 }
1658
1659 pub fn close_items_for_project_path(
1660 &mut self,
1661 project_path: &ProjectPath,
1662 save_intent: SaveIntent,
1663 close_pinned: bool,
1664 window: &mut Window,
1665 cx: &mut Context<Self>,
1666 ) -> Task<Result<()>> {
1667 let pinned_item_ids = self.pinned_item_ids();
1668 let matching_item_ids: Vec<_> = self
1669 .items()
1670 .filter(|item| item.project_path(cx).as_ref() == Some(project_path))
1671 .map(|item| item.item_id())
1672 .collect();
1673 self.close_items(window, cx, save_intent, &move |item_id| {
1674 matching_item_ids.contains(&item_id)
1675 && (close_pinned || !pinned_item_ids.contains(&item_id))
1676 })
1677 }
1678
1679 pub fn close_other_items(
1680 &mut self,
1681 action: &CloseOtherItems,
1682 target_item_id: Option<EntityId>,
1683 window: &mut Window,
1684 cx: &mut Context<Self>,
1685 ) -> Task<Result<()>> {
1686 if self.items.is_empty() {
1687 return Task::ready(Ok(()));
1688 }
1689
1690 let active_item_id = match target_item_id {
1691 Some(result) => result,
1692 None => self.active_item_id(),
1693 };
1694
1695 self.unpreview_item_if_preview(active_item_id);
1696
1697 let pinned_item_ids = self.pinned_item_ids();
1698
1699 self.close_items(
1700 window,
1701 cx,
1702 action.save_intent.unwrap_or(SaveIntent::Close),
1703 &move |item_id| {
1704 item_id != active_item_id
1705 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1706 },
1707 )
1708 }
1709
1710 pub fn close_multibuffer_items(
1711 &mut self,
1712 action: &CloseMultibufferItems,
1713 window: &mut Window,
1714 cx: &mut Context<Self>,
1715 ) -> Task<Result<()>> {
1716 if self.items.is_empty() {
1717 return Task::ready(Ok(()));
1718 }
1719
1720 let pinned_item_ids = self.pinned_item_ids();
1721 let multibuffer_items = self.multibuffer_item_ids(cx);
1722
1723 self.close_items(
1724 window,
1725 cx,
1726 action.save_intent.unwrap_or(SaveIntent::Close),
1727 &move |item_id| {
1728 (action.close_pinned || !pinned_item_ids.contains(&item_id))
1729 && multibuffer_items.contains(&item_id)
1730 },
1731 )
1732 }
1733
1734 pub fn close_clean_items(
1735 &mut self,
1736 action: &CloseCleanItems,
1737 window: &mut Window,
1738 cx: &mut Context<Self>,
1739 ) -> Task<Result<()>> {
1740 if self.items.is_empty() {
1741 return Task::ready(Ok(()));
1742 }
1743
1744 let clean_item_ids = self.clean_item_ids(cx);
1745 let pinned_item_ids = self.pinned_item_ids();
1746
1747 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1748 clean_item_ids.contains(&item_id)
1749 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1750 })
1751 }
1752
1753 pub fn close_items_to_the_left_by_id(
1754 &mut self,
1755 item_id: Option<EntityId>,
1756 action: &CloseItemsToTheLeft,
1757 window: &mut Window,
1758 cx: &mut Context<Self>,
1759 ) -> Task<Result<()>> {
1760 self.close_items_to_the_side_by_id(item_id, Side::Left, action.close_pinned, window, cx)
1761 }
1762
1763 pub fn close_items_to_the_right_by_id(
1764 &mut self,
1765 item_id: Option<EntityId>,
1766 action: &CloseItemsToTheRight,
1767 window: &mut Window,
1768 cx: &mut Context<Self>,
1769 ) -> Task<Result<()>> {
1770 self.close_items_to_the_side_by_id(item_id, Side::Right, action.close_pinned, window, cx)
1771 }
1772
1773 pub fn close_items_to_the_side_by_id(
1774 &mut self,
1775 item_id: Option<EntityId>,
1776 side: Side,
1777 close_pinned: bool,
1778 window: &mut Window,
1779 cx: &mut Context<Self>,
1780 ) -> Task<Result<()>> {
1781 if self.items.is_empty() {
1782 return Task::ready(Ok(()));
1783 }
1784
1785 let item_id = item_id.unwrap_or_else(|| self.active_item_id());
1786 let to_the_side_item_ids = self.to_the_side_item_ids(item_id, side);
1787 let pinned_item_ids = self.pinned_item_ids();
1788
1789 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1790 to_the_side_item_ids.contains(&item_id)
1791 && (close_pinned || !pinned_item_ids.contains(&item_id))
1792 })
1793 }
1794
1795 pub fn close_all_items(
1796 &mut self,
1797 action: &CloseAllItems,
1798 window: &mut Window,
1799 cx: &mut Context<Self>,
1800 ) -> Task<Result<()>> {
1801 if self.items.is_empty() {
1802 return Task::ready(Ok(()));
1803 }
1804
1805 let pinned_item_ids = self.pinned_item_ids();
1806
1807 self.close_items(
1808 window,
1809 cx,
1810 action.save_intent.unwrap_or(SaveIntent::Close),
1811 &|item_id| action.close_pinned || !pinned_item_ids.contains(&item_id),
1812 )
1813 }
1814
1815 fn close_items_on_item_open(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1816 let target = self.max_tabs.map(|m| m.get());
1817 let protect_active_item = false;
1818 self.close_items_to_target_count(target, protect_active_item, window, cx);
1819 }
1820
1821 fn close_items_on_settings_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1822 let target = self.max_tabs.map(|m| m.get() + 1);
1823 // The active item in this case is the settings.json file, which should be protected from being closed
1824 let protect_active_item = true;
1825 self.close_items_to_target_count(target, protect_active_item, window, cx);
1826 }
1827
1828 fn close_items_to_target_count(
1829 &mut self,
1830 target_count: Option<usize>,
1831 protect_active_item: bool,
1832 window: &mut Window,
1833 cx: &mut Context<Self>,
1834 ) {
1835 let Some(target_count) = target_count else {
1836 return;
1837 };
1838
1839 let mut index_list = Vec::new();
1840 let mut items_len = self.items_len();
1841 let mut indexes: HashMap<EntityId, usize> = HashMap::default();
1842 let active_ix = self.active_item_index();
1843
1844 for (index, item) in self.items.iter().enumerate() {
1845 indexes.insert(item.item_id(), index);
1846 }
1847
1848 // Close least recently used items to reach target count.
1849 // The target count is allowed to be exceeded, as we protect pinned
1850 // items, dirty items, and sometimes, the active item.
1851 for entry in self.activation_history.iter() {
1852 if items_len < target_count {
1853 break;
1854 }
1855
1856 let Some(&index) = indexes.get(&entry.entity_id) else {
1857 continue;
1858 };
1859
1860 if protect_active_item && index == active_ix {
1861 continue;
1862 }
1863
1864 if let Some(true) = self.items.get(index).map(|item| item.is_dirty(cx)) {
1865 continue;
1866 }
1867
1868 if self.is_tab_pinned(index) {
1869 continue;
1870 }
1871
1872 index_list.push(index);
1873 items_len -= 1;
1874 }
1875 // The sort and reverse is necessary since we remove items
1876 // using their index position, hence removing from the end
1877 // of the list first to avoid changing indexes.
1878 index_list.sort_unstable();
1879 index_list
1880 .iter()
1881 .rev()
1882 .for_each(|&index| self._remove_item(index, false, false, None, window, cx));
1883 }
1884
1885 // Usually when you close an item that has unsaved changes, we prompt you to
1886 // save it. That said, if you still have the buffer open in a different pane
1887 // we can close this one without fear of losing data.
1888 pub fn skip_save_on_close(item: &dyn ItemHandle, workspace: &Workspace, cx: &App) -> bool {
1889 let mut dirty_project_item_ids = Vec::new();
1890 item.for_each_project_item(cx, &mut |project_item_id, project_item| {
1891 if project_item.is_dirty() {
1892 dirty_project_item_ids.push(project_item_id);
1893 }
1894 });
1895 if dirty_project_item_ids.is_empty() {
1896 return !(item.buffer_kind(cx) == ItemBufferKind::Singleton && item.is_dirty(cx));
1897 }
1898
1899 for open_item in workspace.items(cx) {
1900 if open_item.item_id() == item.item_id() {
1901 continue;
1902 }
1903 if open_item.buffer_kind(cx) != ItemBufferKind::Singleton {
1904 continue;
1905 }
1906 let other_project_item_ids = open_item.project_item_model_ids(cx);
1907 dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1908 }
1909 dirty_project_item_ids.is_empty()
1910 }
1911
1912 pub(super) fn file_names_for_prompt(
1913 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1914 cx: &App,
1915 ) -> String {
1916 let mut file_names = BTreeSet::default();
1917 for item in items {
1918 item.for_each_project_item(cx, &mut |_, project_item| {
1919 if !project_item.is_dirty() {
1920 return;
1921 }
1922 let filename = project_item
1923 .project_path(cx)
1924 .and_then(|path| path.path.file_name().map(ToOwned::to_owned));
1925 file_names.insert(filename.unwrap_or("untitled".to_string()));
1926 });
1927 }
1928 if file_names.len() > 6 {
1929 format!(
1930 "{}\n.. and {} more",
1931 file_names.iter().take(5).join("\n"),
1932 file_names.len() - 5
1933 )
1934 } else {
1935 file_names.into_iter().join("\n")
1936 }
1937 }
1938
1939 pub fn close_items(
1940 &self,
1941 window: &mut Window,
1942 cx: &mut Context<Pane>,
1943 mut save_intent: SaveIntent,
1944 should_close: &dyn Fn(EntityId) -> bool,
1945 ) -> Task<Result<()>> {
1946 // Find the items to close.
1947 let mut items_to_close = Vec::new();
1948 for item in &self.items {
1949 if should_close(item.item_id()) {
1950 items_to_close.push(item.boxed_clone());
1951 }
1952 }
1953
1954 let active_item_id = self.active_item().map(|item| item.item_id());
1955
1956 items_to_close.sort_by_key(|item| {
1957 let path = item.project_path(cx);
1958 // Put the currently active item at the end, because if the currently active item is not closed last
1959 // closing the currently active item will cause the focus to switch to another item
1960 // This will cause Zed to expand the content of the currently active item
1961 //
1962 // Beyond that sort in order of project path, with untitled files and multibuffers coming last.
1963 (active_item_id == Some(item.item_id()), path.is_none(), path)
1964 });
1965
1966 let workspace = self.workspace.clone();
1967 let Some(project) = self.project.upgrade() else {
1968 return Task::ready(Ok(()));
1969 };
1970 cx.spawn_in(window, async move |pane, cx| {
1971 let dirty_items = workspace.update(cx, |workspace, cx| {
1972 items_to_close
1973 .iter()
1974 .filter(|item| {
1975 item.is_dirty(cx) && !Self::skip_save_on_close(item.as_ref(), workspace, cx)
1976 })
1977 .map(|item| item.boxed_clone())
1978 .collect::<Vec<_>>()
1979 })?;
1980
1981 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1982 let answer = pane.update_in(cx, |_, window, cx| {
1983 let detail = Self::file_names_for_prompt(&mut dirty_items.iter(), cx);
1984 window.prompt(
1985 PromptLevel::Warning,
1986 "Do you want to save changes to the following files?",
1987 Some(&detail),
1988 &["Save all", "Discard all", "Cancel"],
1989 cx,
1990 )
1991 })?;
1992 match answer.await {
1993 Ok(0) => save_intent = SaveIntent::SaveAll,
1994 Ok(1) => save_intent = SaveIntent::Skip,
1995 Ok(2) => return Ok(()),
1996 _ => {}
1997 }
1998 }
1999
2000 for item_to_close in items_to_close {
2001 let mut should_close = true;
2002 let mut should_save = true;
2003 if save_intent == SaveIntent::Close {
2004 workspace.update(cx, |workspace, cx| {
2005 if Self::skip_save_on_close(item_to_close.as_ref(), workspace, cx) {
2006 should_save = false;
2007 }
2008 })?;
2009 }
2010
2011 if should_save {
2012 match Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
2013 .await
2014 {
2015 Ok(success) => {
2016 if !success {
2017 should_close = false;
2018 }
2019 }
2020 Err(err) => {
2021 let answer = pane.update_in(cx, |_, window, cx| {
2022 let detail = Self::file_names_for_prompt(
2023 &mut [&item_to_close].into_iter(),
2024 cx,
2025 );
2026 window.prompt(
2027 PromptLevel::Warning,
2028 &format!("Unable to save file: {}", &err),
2029 Some(&detail),
2030 &["Close Without Saving", "Cancel"],
2031 cx,
2032 )
2033 })?;
2034 match answer.await {
2035 Ok(0) => {}
2036 Ok(1..) | Err(_) => should_close = false,
2037 }
2038 }
2039 }
2040 }
2041
2042 // Remove the item from the pane.
2043 if should_close {
2044 pane.update_in(cx, |pane, window, cx| {
2045 pane.remove_item(
2046 item_to_close.item_id(),
2047 false,
2048 pane.close_pane_if_empty,
2049 window,
2050 cx,
2051 );
2052 })
2053 .ok();
2054 }
2055 }
2056
2057 pane.update(cx, |_, cx| cx.notify()).ok();
2058 Ok(())
2059 })
2060 }
2061
2062 pub fn take_active_item(
2063 &mut self,
2064 window: &mut Window,
2065 cx: &mut Context<Self>,
2066 ) -> Option<Box<dyn ItemHandle>> {
2067 let item = self.active_item()?;
2068 self.remove_item(item.item_id(), false, false, window, cx);
2069 Some(item)
2070 }
2071
2072 pub fn remove_item(
2073 &mut self,
2074 item_id: EntityId,
2075 activate_pane: bool,
2076 close_pane_if_empty: bool,
2077 window: &mut Window,
2078 cx: &mut Context<Self>,
2079 ) {
2080 let Some(item_index) = self.index_for_item_id(item_id) else {
2081 return;
2082 };
2083 self._remove_item(
2084 item_index,
2085 activate_pane,
2086 close_pane_if_empty,
2087 None,
2088 window,
2089 cx,
2090 )
2091 }
2092
2093 pub fn remove_item_and_focus_on_pane(
2094 &mut self,
2095 item_index: usize,
2096 activate_pane: bool,
2097 focus_on_pane_if_closed: Entity<Pane>,
2098 window: &mut Window,
2099 cx: &mut Context<Self>,
2100 ) {
2101 self._remove_item(
2102 item_index,
2103 activate_pane,
2104 true,
2105 Some(focus_on_pane_if_closed),
2106 window,
2107 cx,
2108 )
2109 }
2110
2111 fn _remove_item(
2112 &mut self,
2113 item_index: usize,
2114 activate_pane: bool,
2115 close_pane_if_empty: bool,
2116 focus_on_pane_if_closed: Option<Entity<Pane>>,
2117 window: &mut Window,
2118 cx: &mut Context<Self>,
2119 ) {
2120 let activate_on_close = &ItemSettings::get_global(cx).activate_on_close;
2121 self.activation_history
2122 .retain(|entry| entry.entity_id != self.items[item_index].item_id());
2123
2124 if self.is_tab_pinned(item_index) {
2125 self.pinned_tab_count -= 1;
2126 }
2127 if item_index == self.active_item_index {
2128 let left_neighbour_index = || item_index.min(self.items.len()).saturating_sub(1);
2129 let index_to_activate = match activate_on_close {
2130 ActivateOnClose::History => self
2131 .activation_history
2132 .pop()
2133 .and_then(|last_activated_item| {
2134 self.items.iter().enumerate().find_map(|(index, item)| {
2135 (item.item_id() == last_activated_item.entity_id).then_some(index)
2136 })
2137 })
2138 // We didn't have a valid activation history entry, so fallback
2139 // to activating the item to the left
2140 .unwrap_or_else(left_neighbour_index),
2141 ActivateOnClose::Neighbour => {
2142 self.activation_history.pop();
2143 if item_index + 1 < self.items.len() {
2144 item_index + 1
2145 } else {
2146 item_index.saturating_sub(1)
2147 }
2148 }
2149 ActivateOnClose::LeftNeighbour => {
2150 self.activation_history.pop();
2151 left_neighbour_index()
2152 }
2153 };
2154
2155 let should_activate = activate_pane || self.has_focus(window, cx);
2156 if self.items.len() == 1 && should_activate {
2157 self.focus_handle.focus(window, cx);
2158 } else {
2159 self.activate_item(
2160 index_to_activate,
2161 should_activate,
2162 should_activate,
2163 window,
2164 cx,
2165 );
2166 }
2167 }
2168
2169 let item = self.items.remove(item_index);
2170
2171 cx.emit(Event::RemovedItem { item: item.clone() });
2172 if self.items.is_empty() {
2173 item.deactivated(window, cx);
2174 if close_pane_if_empty {
2175 self.update_toolbar(window, cx);
2176 cx.emit(Event::Remove {
2177 focus_on_pane: focus_on_pane_if_closed,
2178 });
2179 }
2180 }
2181
2182 if item_index < self.active_item_index {
2183 self.active_item_index -= 1;
2184 }
2185
2186 let mode = self.nav_history.mode();
2187 self.nav_history.set_mode(NavigationMode::ClosingItem);
2188 item.deactivated(window, cx);
2189 item.on_removed(cx);
2190 self.nav_history.set_mode(mode);
2191 self.unpreview_item_if_preview(item.item_id());
2192
2193 if let Some(path) = item.project_path(cx) {
2194 let abs_path = self
2195 .nav_history
2196 .0
2197 .lock()
2198 .paths_by_item
2199 .get(&item.item_id())
2200 .and_then(|(_, abs_path)| abs_path.clone());
2201
2202 self.nav_history
2203 .0
2204 .lock()
2205 .paths_by_item
2206 .insert(item.item_id(), (path, abs_path));
2207 } else {
2208 self.nav_history
2209 .0
2210 .lock()
2211 .paths_by_item
2212 .remove(&item.item_id());
2213 }
2214
2215 if self.zoom_out_on_close && self.items.is_empty() && close_pane_if_empty && self.zoomed {
2216 cx.emit(Event::ZoomOut);
2217 }
2218
2219 cx.notify();
2220 }
2221
2222 pub async fn save_item(
2223 project: Entity<Project>,
2224 pane: &WeakEntity<Pane>,
2225 item: &dyn ItemHandle,
2226 save_intent: SaveIntent,
2227 cx: &mut AsyncWindowContext,
2228 ) -> Result<bool> {
2229 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
2230
2231 const DELETED_MESSAGE: &str = "This file has been deleted on disk since you started editing it. Do you want to recreate it?";
2232
2233 let path_style = project.read_with(cx, |project, cx| project.path_style(cx));
2234 if save_intent == SaveIntent::Skip {
2235 let is_saveable_singleton = cx.update(|_window, cx| {
2236 item.can_save(cx) && item.buffer_kind(cx) == ItemBufferKind::Singleton
2237 })?;
2238 if is_saveable_singleton {
2239 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2240 .await
2241 .log_err();
2242 }
2243 return Ok(true);
2244 };
2245 let Some(item_ix) = pane
2246 .read_with(cx, |pane, _| pane.index_for_item(item))
2247 .ok()
2248 .flatten()
2249 else {
2250 return Ok(true);
2251 };
2252
2253 let (
2254 mut has_conflict,
2255 mut is_dirty,
2256 mut can_save,
2257 can_save_as,
2258 is_singleton,
2259 has_deleted_file,
2260 ) = cx.update(|_window, cx| {
2261 (
2262 item.has_conflict(cx),
2263 item.is_dirty(cx),
2264 item.can_save(cx),
2265 item.can_save_as(cx),
2266 item.buffer_kind(cx) == ItemBufferKind::Singleton,
2267 item.has_deleted_file(cx),
2268 )
2269 })?;
2270
2271 // when saving a single buffer, we ignore whether or not it's dirty.
2272 if save_intent == SaveIntent::Save
2273 || save_intent == SaveIntent::FormatAndSave
2274 || save_intent == SaveIntent::SaveWithoutFormat
2275 {
2276 is_dirty = true;
2277 }
2278
2279 if save_intent == SaveIntent::SaveAs {
2280 is_dirty = true;
2281 has_conflict = false;
2282 can_save = false;
2283 }
2284
2285 if save_intent == SaveIntent::Overwrite {
2286 has_conflict = false;
2287 }
2288
2289 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
2290 let force_format = save_intent == SaveIntent::FormatAndSave;
2291
2292 if has_conflict && can_save {
2293 if has_deleted_file && is_singleton {
2294 let answer = pane.update_in(cx, |pane, window, cx| {
2295 pane.activate_item(item_ix, true, true, window, cx);
2296 window.prompt(
2297 PromptLevel::Warning,
2298 DELETED_MESSAGE,
2299 None,
2300 &["Save", "Close", "Cancel"],
2301 cx,
2302 )
2303 })?;
2304 match answer.await {
2305 Ok(0) => {
2306 pane.update_in(cx, |_, window, cx| {
2307 item.save(
2308 SaveOptions {
2309 format: should_format,
2310 force_format,
2311 autosave: false,
2312 },
2313 project,
2314 window,
2315 cx,
2316 )
2317 })?
2318 .await?
2319 }
2320 Ok(1) => {
2321 pane.update_in(cx, |pane, window, cx| {
2322 pane.remove_item(item.item_id(), false, true, window, cx)
2323 })?;
2324 }
2325 _ => return Ok(false),
2326 }
2327 return Ok(true);
2328 } else {
2329 let answer = pane.update_in(cx, |pane, window, cx| {
2330 pane.activate_item(item_ix, true, true, window, cx);
2331 window.prompt(
2332 PromptLevel::Warning,
2333 CONFLICT_MESSAGE,
2334 None,
2335 &["Overwrite", "Discard", "Cancel"],
2336 cx,
2337 )
2338 })?;
2339 match answer.await {
2340 Ok(0) => {
2341 pane.update_in(cx, |_, window, cx| {
2342 item.save(
2343 SaveOptions {
2344 format: should_format,
2345 force_format,
2346 autosave: false,
2347 },
2348 project,
2349 window,
2350 cx,
2351 )
2352 })?
2353 .await?
2354 }
2355 Ok(1) => {
2356 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2357 .await?
2358 }
2359 _ => return Ok(false),
2360 }
2361 }
2362 } else if is_dirty && (can_save || can_save_as) {
2363 if save_intent == SaveIntent::Close {
2364 let will_autosave = cx.update(|_window, cx| {
2365 item.can_autosave(cx)
2366 && item.workspace_settings(cx).autosave.should_save_on_close()
2367 })?;
2368 if !will_autosave {
2369 let item_id = item.item_id();
2370 let answer_task = pane.update_in(cx, |pane, window, cx| {
2371 if pane.save_modals_spawned.insert(item_id) {
2372 pane.activate_item(item_ix, true, true, window, cx);
2373 let prompt = dirty_message_for(item.project_path(cx), path_style);
2374 Some(window.prompt(
2375 PromptLevel::Warning,
2376 &prompt,
2377 None,
2378 &["Save", "Don't Save", "Cancel"],
2379 cx,
2380 ))
2381 } else {
2382 None
2383 }
2384 })?;
2385 if let Some(answer_task) = answer_task {
2386 let answer = answer_task.await;
2387 pane.update(cx, |pane, _| {
2388 if !pane.save_modals_spawned.remove(&item_id) {
2389 debug_panic!(
2390 "save modal was not present in spawned modals after awaiting for its answer"
2391 )
2392 }
2393 })?;
2394 match answer {
2395 Ok(0) => {}
2396 Ok(1) => {
2397 // Don't save this file - reload from disk to discard changes
2398 pane.update_in(cx, |pane, _, cx| {
2399 if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
2400 pane.pinned_tab_count -= 1;
2401 }
2402 })
2403 .log_err();
2404 if can_save && is_singleton {
2405 pane.update_in(cx, |_, window, cx| {
2406 item.reload(project.clone(), window, cx)
2407 })?
2408 .await
2409 .log_err();
2410 }
2411 return Ok(true);
2412 }
2413 _ => return Ok(false), // Cancel
2414 }
2415 } else {
2416 return Ok(false);
2417 }
2418 }
2419 }
2420
2421 if can_save {
2422 pane.update_in(cx, |pane, window, cx| {
2423 pane.unpreview_item_if_preview(item.item_id());
2424 item.save(
2425 SaveOptions {
2426 format: should_format,
2427 force_format,
2428 autosave: false,
2429 },
2430 project,
2431 window,
2432 cx,
2433 )
2434 })?
2435 .await?;
2436 } else if can_save_as && is_singleton {
2437 let suggested_name =
2438 cx.update(|_window, cx| item.suggested_filename(cx).to_string())?;
2439 let new_path = pane.update_in(cx, |pane, window, cx| {
2440 pane.activate_item(item_ix, true, true, window, cx);
2441 pane.workspace.update(cx, |workspace, cx| {
2442 let lister = if workspace.project().read(cx).is_local() {
2443 DirectoryLister::Local(
2444 workspace.project().clone(),
2445 workspace.app_state().fs.clone(),
2446 )
2447 } else {
2448 DirectoryLister::Project(workspace.project().clone())
2449 };
2450 workspace.prompt_for_new_path(lister, Some(suggested_name), window, cx)
2451 })
2452 })??;
2453 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
2454 else {
2455 return Ok(false);
2456 };
2457
2458 let project_path = pane
2459 .update(cx, |pane, cx| {
2460 pane.project
2461 .update(cx, |project, cx| {
2462 project.find_or_create_worktree(new_path, true, cx)
2463 })
2464 .ok()
2465 })
2466 .ok()
2467 .flatten();
2468 let save_task = if let Some(project_path) = project_path {
2469 let (worktree, path) = project_path.await?;
2470 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2471 let new_path = ProjectPath { worktree_id, path };
2472
2473 pane.update_in(cx, |pane, window, cx| {
2474 if let Some(item) = pane.item_for_path(new_path.clone(), cx) {
2475 pane.remove_item(item.item_id(), false, false, window, cx);
2476 }
2477
2478 item.save_as(project, new_path, window, cx)
2479 })?
2480 } else {
2481 return Ok(false);
2482 };
2483
2484 save_task.await?;
2485 return Ok(true);
2486 }
2487 }
2488
2489 pane.update(cx, |_, cx| {
2490 cx.emit(Event::UserSavedItem {
2491 item: item.downgrade_item(),
2492 save_intent,
2493 });
2494 true
2495 })
2496 }
2497
2498 pub fn autosave_item(
2499 item: &dyn ItemHandle,
2500 project: Entity<Project>,
2501 window: &mut Window,
2502 cx: &mut App,
2503 ) -> Task<Result<()>> {
2504 let format = !matches!(
2505 item.workspace_settings(cx).autosave,
2506 AutosaveSetting::AfterDelay { .. }
2507 );
2508 if item.can_autosave(cx) {
2509 item.save(
2510 SaveOptions {
2511 format,
2512 force_format: false,
2513 autosave: true,
2514 },
2515 project,
2516 window,
2517 cx,
2518 )
2519 } else {
2520 Task::ready(Ok(()))
2521 }
2522 }
2523
2524 pub fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2525 if let Some(active_item) = self.active_item() {
2526 let focus_handle = active_item.item_focus_handle(cx);
2527 window.focus(&focus_handle, cx);
2528 }
2529 }
2530
2531 pub fn split(
2532 &mut self,
2533 direction: SplitDirection,
2534 mode: SplitMode,
2535 window: &mut Window,
2536 cx: &mut Context<Self>,
2537 ) {
2538 if self.items.len() <= 1 && mode == SplitMode::MovePane {
2539 // MovePane with only one pane present behaves like a SplitEmpty in the opposite direction
2540 let active_item = self.active_item();
2541 cx.emit(Event::Split {
2542 direction: direction.opposite(),
2543 mode: SplitMode::EmptyPane,
2544 });
2545 // ensure that we focus the moved pane
2546 // in this case we know that the window is the same as the active_item
2547 if let Some(active_item) = active_item {
2548 cx.defer_in(window, move |_, window, cx| {
2549 let focus_handle = active_item.item_focus_handle(cx);
2550 window.focus(&focus_handle, cx);
2551 });
2552 }
2553 } else {
2554 cx.emit(Event::Split { direction, mode });
2555 }
2556 }
2557
2558 pub fn toolbar(&self) -> &Entity<Toolbar> {
2559 &self.toolbar
2560 }
2561
2562 pub fn handle_deleted_project_item(
2563 &mut self,
2564 entry_id: ProjectEntryId,
2565 window: &mut Window,
2566 cx: &mut Context<Pane>,
2567 ) -> Option<()> {
2568 let item_id = self.items().find_map(|item| {
2569 if item.buffer_kind(cx) == ItemBufferKind::Singleton
2570 && item.project_entry_ids(cx).as_slice() == [entry_id]
2571 {
2572 Some(item.item_id())
2573 } else {
2574 None
2575 }
2576 })?;
2577
2578 self.remove_item(item_id, false, true, window, cx);
2579 self.nav_history.remove_item(item_id);
2580
2581 Some(())
2582 }
2583
2584 fn update_toolbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2585 let active_item = self
2586 .items
2587 .get(self.active_item_index)
2588 .map(|item| item.as_ref());
2589 self.toolbar.update(cx, |toolbar, cx| {
2590 toolbar.set_active_item(active_item, window, cx);
2591 });
2592 }
2593
2594 fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2595 let workspace = self.workspace.clone();
2596 let pane = cx.entity();
2597
2598 window.defer(cx, move |window, cx| {
2599 let Ok(status_bar) =
2600 workspace.read_with(cx, |workspace, _| workspace.status_bar.clone())
2601 else {
2602 return;
2603 };
2604
2605 status_bar.update(cx, move |status_bar, cx| {
2606 status_bar.set_active_pane(&pane, window, cx);
2607 });
2608 });
2609 }
2610
2611 fn entry_abs_path(&self, entry: ProjectEntryId, cx: &App) -> Option<PathBuf> {
2612 let worktree = self
2613 .workspace
2614 .upgrade()?
2615 .read(cx)
2616 .project()
2617 .read(cx)
2618 .worktree_for_entry(entry, cx)?
2619 .read(cx);
2620 let entry = worktree.entry_for_id(entry)?;
2621 Some(match &entry.canonical_path {
2622 Some(canonical_path) => canonical_path.to_path_buf(),
2623 None => worktree.absolutize(&entry.path),
2624 })
2625 }
2626
2627 pub fn icon_color(selected: bool) -> Color {
2628 if selected {
2629 Color::Default
2630 } else {
2631 Color::Muted
2632 }
2633 }
2634
2635 fn toggle_pin_tab(&mut self, _: &TogglePinTab, window: &mut Window, cx: &mut Context<Self>) {
2636 if self.items.is_empty() {
2637 return;
2638 }
2639 let active_tab_ix = self.active_item_index();
2640 if self.is_tab_pinned(active_tab_ix) {
2641 self.unpin_tab_at(active_tab_ix, window, cx);
2642 } else {
2643 self.pin_tab_at(active_tab_ix, window, cx);
2644 }
2645 }
2646
2647 fn unpin_all_tabs(&mut self, _: &UnpinAllTabs, window: &mut Window, cx: &mut Context<Self>) {
2648 if self.items.is_empty() {
2649 return;
2650 }
2651
2652 let pinned_item_ids = self.pinned_item_ids().into_iter().rev();
2653
2654 for pinned_item_id in pinned_item_ids {
2655 if let Some(ix) = self.index_for_item_id(pinned_item_id) {
2656 self.unpin_tab_at(ix, window, cx);
2657 }
2658 }
2659 }
2660
2661 fn pin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2662 self.change_tab_pin_state(ix, PinOperation::Pin, window, cx);
2663 }
2664
2665 fn unpin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2666 self.change_tab_pin_state(ix, PinOperation::Unpin, window, cx);
2667 }
2668
2669 fn change_tab_pin_state(
2670 &mut self,
2671 ix: usize,
2672 operation: PinOperation,
2673 window: &mut Window,
2674 cx: &mut Context<Self>,
2675 ) {
2676 maybe!({
2677 let pane = cx.entity();
2678
2679 let destination_index = match operation {
2680 PinOperation::Pin => self.pinned_tab_count.min(ix),
2681 PinOperation::Unpin => self.pinned_tab_count.checked_sub(1)?,
2682 };
2683
2684 let id = self.item_for_index(ix)?.item_id();
2685 let should_activate = ix == self.active_item_index;
2686
2687 if matches!(operation, PinOperation::Pin) {
2688 self.unpreview_item_if_preview(id);
2689 }
2690
2691 match operation {
2692 PinOperation::Pin => self.pinned_tab_count += 1,
2693 PinOperation::Unpin => self.pinned_tab_count -= 1,
2694 }
2695
2696 if ix == destination_index {
2697 cx.notify();
2698 } else {
2699 self.workspace
2700 .update(cx, |_, cx| {
2701 cx.defer_in(window, move |_, window, cx| {
2702 move_item(
2703 &pane,
2704 &pane,
2705 id,
2706 destination_index,
2707 should_activate,
2708 window,
2709 cx,
2710 );
2711 });
2712 })
2713 .ok()?;
2714 }
2715
2716 let event = match operation {
2717 PinOperation::Pin => Event::ItemPinned,
2718 PinOperation::Unpin => Event::ItemUnpinned,
2719 };
2720
2721 cx.emit(event);
2722
2723 Some(())
2724 });
2725 }
2726
2727 fn is_tab_pinned(&self, ix: usize) -> bool {
2728 self.pinned_tab_count > ix
2729 }
2730
2731 fn has_unpinned_tabs(&self) -> bool {
2732 self.pinned_tab_count < self.items.len()
2733 }
2734
2735 fn activate_unpinned_tab(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2736 if self.items.is_empty() {
2737 return;
2738 }
2739 let Some(index) = self
2740 .items()
2741 .enumerate()
2742 .find_map(|(index, _item)| (!self.is_tab_pinned(index)).then_some(index))
2743 else {
2744 return;
2745 };
2746 self.activate_item(index, true, true, window, cx);
2747 }
2748
2749 fn render_tab(
2750 &self,
2751 ix: usize,
2752 item: &dyn ItemHandle,
2753 detail: usize,
2754 focus_handle: &FocusHandle,
2755 window: &mut Window,
2756 cx: &mut Context<Pane>,
2757 ) -> impl IntoElement + use<> {
2758 let is_active = ix == self.active_item_index;
2759 let is_preview = self
2760 .preview_item_id
2761 .map(|id| id == item.item_id())
2762 .unwrap_or(false);
2763
2764 let label = item.tab_content(
2765 TabContentParams {
2766 detail: Some(detail),
2767 selected: is_active,
2768 preview: is_preview,
2769 deemphasized: !self.has_focus(window, cx),
2770 },
2771 window,
2772 cx,
2773 );
2774
2775 let item_diagnostic = item
2776 .project_path(cx)
2777 .map_or(None, |project_path| self.diagnostics.get(&project_path));
2778
2779 let decorated_icon = item_diagnostic.map_or(None, |diagnostic| {
2780 let icon = match item.tab_icon(window, cx) {
2781 Some(icon) => icon,
2782 None => return None,
2783 };
2784
2785 let knockout_item_color = if is_active {
2786 cx.theme().colors().tab_active_background
2787 } else {
2788 cx.theme().colors().tab_bar_background
2789 };
2790
2791 let (icon_decoration, icon_color) = if matches!(diagnostic, &DiagnosticSeverity::ERROR)
2792 {
2793 (IconDecorationKind::X, Color::Error)
2794 } else {
2795 (IconDecorationKind::Triangle, Color::Warning)
2796 };
2797
2798 Some(DecoratedIcon::new(
2799 icon.size(IconSize::Small).color(Color::Muted),
2800 Some(
2801 IconDecoration::new(icon_decoration, knockout_item_color, cx)
2802 .color(icon_color.color(cx))
2803 .position(Point {
2804 x: px(-2.),
2805 y: px(-2.),
2806 }),
2807 ),
2808 ))
2809 });
2810
2811 let icon = if decorated_icon.is_none() {
2812 match item_diagnostic {
2813 Some(&DiagnosticSeverity::ERROR) => None,
2814 Some(&DiagnosticSeverity::WARNING) => None,
2815 _ => item
2816 .tab_icon(window, cx)
2817 .map(|icon| icon.color(Color::Muted)),
2818 }
2819 .map(|icon| icon.size(IconSize::Small))
2820 } else {
2821 None
2822 };
2823
2824 let settings = ItemSettings::get_global(cx);
2825 let close_side = &settings.close_position;
2826 let show_close_button = &settings.show_close_button;
2827 let indicator = render_item_indicator(item.boxed_clone(), cx);
2828 let tab_tooltip_content = item.tab_tooltip_content(cx);
2829 let item_id = item.item_id();
2830 let is_first_item = ix == 0;
2831 let is_last_item = ix == self.items.len() - 1;
2832 let is_pinned = self.is_tab_pinned(ix);
2833 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
2834
2835 let read_only_toggle = |toggleable: bool| {
2836 IconButton::new("toggle_read_only", IconName::FileLock)
2837 .size(ButtonSize::None)
2838 .shape(IconButtonShape::Square)
2839 .icon_color(Color::Muted)
2840 .icon_size(IconSize::Small)
2841 .disabled(!toggleable)
2842 .tooltip(move |_, cx| {
2843 if toggleable {
2844 Tooltip::with_meta(
2845 "Unlock File",
2846 None,
2847 "This will make this file editable",
2848 cx,
2849 )
2850 } else {
2851 Tooltip::with_meta("Locked File", None, "This file is read-only", cx)
2852 }
2853 })
2854 .on_click(cx.listener(move |pane, _, window, cx| {
2855 if let Some(item) = pane.item_for_index(ix) {
2856 item.toggle_read_only(window, cx);
2857 }
2858 }))
2859 };
2860
2861 let has_file_icon = icon.is_some() | decorated_icon.is_some();
2862
2863 let capability = item.capability(cx);
2864 let tab = Tab::new(ix)
2865 .position(if is_first_item {
2866 TabPosition::First
2867 } else if is_last_item {
2868 TabPosition::Last
2869 } else {
2870 TabPosition::Middle(position_relative_to_active_item)
2871 })
2872 .close_side(match close_side {
2873 ClosePosition::Left => ui::TabCloseSide::Start,
2874 ClosePosition::Right => ui::TabCloseSide::End,
2875 })
2876 .toggle_state(is_active)
2877 .on_click(cx.listener({
2878 let item_handle = item.boxed_clone();
2879 move |pane: &mut Self, event: &ClickEvent, window, cx| {
2880 if event.click_count() > 1 {
2881 pane.unpreview_item_if_preview(item_id);
2882 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
2883 if let Some((_, action)) = extra_actions
2884 .into_iter()
2885 .find(|(label, _)| label.as_ref() == "Rename")
2886 {
2887 // Dispatch action directly through the focus handle to avoid
2888 // relay_action's intermediate focus step which can interfere
2889 // with inline editors.
2890 let focus_handle = item_handle.item_focus_handle(cx);
2891 focus_handle.dispatch_action(&*action, window, cx);
2892 return;
2893 }
2894 }
2895 pane.activate_item(ix, true, true, window, cx)
2896 }
2897 }))
2898 .on_aux_click(
2899 cx.listener(move |pane: &mut Self, event: &ClickEvent, window, cx| {
2900 if !event.is_middle_click() || is_pinned {
2901 return;
2902 }
2903
2904 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2905 .detach_and_log_err(cx);
2906 cx.stop_propagation();
2907 }),
2908 )
2909 .on_drag(
2910 DraggedTab {
2911 item: item.boxed_clone(),
2912 pane: cx.entity(),
2913 detail,
2914 is_active,
2915 ix,
2916 },
2917 |tab, _, _, cx| cx.new(|_| tab.clone()),
2918 )
2919 .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
2920 let mut styled_tab = tab
2921 .bg(cx.theme().colors().drop_target_background)
2922 .border_color(cx.theme().colors().drop_target_border)
2923 .border_0();
2924
2925 if ix < dragged_tab.ix {
2926 styled_tab = styled_tab.border_l_2();
2927 } else if ix > dragged_tab.ix {
2928 styled_tab = styled_tab.border_r_2();
2929 }
2930
2931 styled_tab
2932 })
2933 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2934 tab.bg(cx.theme().colors().drop_target_background)
2935 })
2936 .when_some(self.can_drop_predicate.clone(), |this, p| {
2937 this.can_drop(move |a, window, cx| p(a, window, cx))
2938 })
2939 .on_drop(
2940 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2941 this.drag_split_direction = None;
2942 this.handle_tab_drop(dragged_tab, ix, false, window, cx)
2943 }),
2944 )
2945 .on_drop(
2946 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2947 this.drag_split_direction = None;
2948 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2949 }),
2950 )
2951 .on_drop(cx.listener(move |this, paths, window, cx| {
2952 this.drag_split_direction = None;
2953 this.handle_external_paths_drop(paths, window, cx)
2954 }))
2955 .start_slot::<Indicator>(indicator)
2956 .map(|this| {
2957 let end_slot_action: &'static dyn Action;
2958 let end_slot_tooltip_text: &'static str;
2959 let end_slot = if is_pinned {
2960 end_slot_action = &TogglePinTab;
2961 end_slot_tooltip_text = "Unpin Tab";
2962 IconButton::new("unpin tab", IconName::Pin)
2963 .shape(IconButtonShape::Square)
2964 .icon_color(Color::Muted)
2965 .size(ButtonSize::None)
2966 .icon_size(IconSize::Small)
2967 .on_click(cx.listener(move |pane, _, window, cx| {
2968 pane.unpin_tab_at(ix, window, cx);
2969 }))
2970 } else {
2971 end_slot_action = &CloseActiveItem {
2972 save_intent: None,
2973 close_pinned: false,
2974 };
2975 end_slot_tooltip_text = "Close Tab";
2976 match show_close_button {
2977 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2978 ShowCloseButton::Hover => {
2979 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2980 }
2981 ShowCloseButton::Hidden => return this,
2982 }
2983 .shape(IconButtonShape::Square)
2984 .icon_color(Color::Muted)
2985 .size(ButtonSize::None)
2986 .icon_size(IconSize::Small)
2987 .on_click(cx.listener(move |pane, _, window, cx| {
2988 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2989 .detach_and_log_err(cx);
2990 }))
2991 }
2992 .map(|this| {
2993 if is_active {
2994 let focus_handle = focus_handle.clone();
2995 this.tooltip(move |window, cx| {
2996 Tooltip::for_action_in(
2997 end_slot_tooltip_text,
2998 end_slot_action,
2999 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3000 cx,
3001 )
3002 })
3003 } else {
3004 this.tooltip(Tooltip::text(end_slot_tooltip_text))
3005 }
3006 });
3007 this.end_slot(end_slot)
3008 })
3009 .child(
3010 h_flex()
3011 .id(("pane-tab-content", ix))
3012 .gap_1()
3013 .children(if let Some(decorated_icon) = decorated_icon {
3014 Some(decorated_icon.into_any_element())
3015 } else if let Some(icon) = icon {
3016 Some(icon.into_any_element())
3017 } else if !capability.editable() {
3018 Some(read_only_toggle(capability == Capability::Read).into_any_element())
3019 } else {
3020 None
3021 })
3022 .child(label)
3023 .map(|this| match tab_tooltip_content {
3024 Some(TabTooltipContent::Text(text)) => {
3025 if capability.editable() {
3026 this.tooltip(Tooltip::text(text))
3027 } else {
3028 this.tooltip(move |_, cx| {
3029 let text = text.clone();
3030 Tooltip::with_meta(text, None, "Read-Only File", cx)
3031 })
3032 }
3033 }
3034 Some(TabTooltipContent::Custom(element_fn)) => {
3035 this.tooltip(move |window, cx| element_fn(window, cx))
3036 }
3037 None => this,
3038 })
3039 .when(capability == Capability::Read && has_file_icon, |this| {
3040 this.child(read_only_toggle(true))
3041 }),
3042 );
3043
3044 let single_entry_to_resolve = (self.items[ix].buffer_kind(cx) == ItemBufferKind::Singleton)
3045 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
3046 .flatten();
3047
3048 let total_items = self.items.len();
3049 let has_multibuffer_items = self
3050 .items
3051 .iter()
3052 .any(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer);
3053 let has_items_to_left = ix > 0;
3054 let has_items_to_right = ix < total_items - 1;
3055 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
3056 let is_pinned = self.is_tab_pinned(ix);
3057
3058 let pane = cx.entity().downgrade();
3059 let menu_context = item.item_focus_handle(cx);
3060 let item_handle = item.boxed_clone();
3061
3062 right_click_menu(ix)
3063 .trigger(|_, _, _| tab)
3064 .menu(move |window, cx| {
3065 let pane = pane.clone();
3066 let menu_context = menu_context.clone();
3067 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
3068 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3069 let close_active_item_action = CloseActiveItem {
3070 save_intent: None,
3071 close_pinned: true,
3072 };
3073 let close_inactive_items_action = CloseOtherItems {
3074 save_intent: None,
3075 close_pinned: false,
3076 };
3077 let close_multibuffers_action = CloseMultibufferItems {
3078 save_intent: None,
3079 close_pinned: false,
3080 };
3081 let close_items_to_the_left_action = CloseItemsToTheLeft {
3082 close_pinned: false,
3083 };
3084 let close_items_to_the_right_action = CloseItemsToTheRight {
3085 close_pinned: false,
3086 };
3087 let close_clean_items_action = CloseCleanItems {
3088 close_pinned: false,
3089 };
3090 let close_all_items_action = CloseAllItems {
3091 save_intent: None,
3092 close_pinned: false,
3093 };
3094 if let Some(pane) = pane.upgrade() {
3095 menu = menu
3096 .entry(
3097 "Close",
3098 Some(Box::new(close_active_item_action)),
3099 window.handler_for(&pane, move |pane, window, cx| {
3100 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3101 .detach_and_log_err(cx);
3102 }),
3103 )
3104 .item(ContextMenuItem::Entry(
3105 ContextMenuEntry::new("Close Others")
3106 .action(Box::new(close_inactive_items_action.clone()))
3107 .disabled(total_items == 1)
3108 .handler(window.handler_for(&pane, move |pane, window, cx| {
3109 pane.close_other_items(
3110 &close_inactive_items_action,
3111 Some(item_id),
3112 window,
3113 cx,
3114 )
3115 .detach_and_log_err(cx);
3116 })),
3117 ))
3118 // We make this optional, instead of using disabled as to not overwhelm the context menu unnecessarily
3119 .extend(has_multibuffer_items.then(|| {
3120 ContextMenuItem::Entry(
3121 ContextMenuEntry::new("Close Multibuffers")
3122 .action(Box::new(close_multibuffers_action.clone()))
3123 .handler(window.handler_for(
3124 &pane,
3125 move |pane, window, cx| {
3126 pane.close_multibuffer_items(
3127 &close_multibuffers_action,
3128 window,
3129 cx,
3130 )
3131 .detach_and_log_err(cx);
3132 },
3133 )),
3134 )
3135 }))
3136 .separator()
3137 .item(ContextMenuItem::Entry(
3138 ContextMenuEntry::new("Close Left")
3139 .action(Box::new(close_items_to_the_left_action.clone()))
3140 .disabled(!has_items_to_left)
3141 .handler(window.handler_for(&pane, move |pane, window, cx| {
3142 pane.close_items_to_the_left_by_id(
3143 Some(item_id),
3144 &close_items_to_the_left_action,
3145 window,
3146 cx,
3147 )
3148 .detach_and_log_err(cx);
3149 })),
3150 ))
3151 .item(ContextMenuItem::Entry(
3152 ContextMenuEntry::new("Close Right")
3153 .action(Box::new(close_items_to_the_right_action.clone()))
3154 .disabled(!has_items_to_right)
3155 .handler(window.handler_for(&pane, move |pane, window, cx| {
3156 pane.close_items_to_the_right_by_id(
3157 Some(item_id),
3158 &close_items_to_the_right_action,
3159 window,
3160 cx,
3161 )
3162 .detach_and_log_err(cx);
3163 })),
3164 ))
3165 .separator()
3166 .item(ContextMenuItem::Entry(
3167 ContextMenuEntry::new("Close Clean")
3168 .action(Box::new(close_clean_items_action.clone()))
3169 .disabled(!has_clean_items)
3170 .handler(window.handler_for(&pane, move |pane, window, cx| {
3171 pane.close_clean_items(
3172 &close_clean_items_action,
3173 window,
3174 cx,
3175 )
3176 .detach_and_log_err(cx)
3177 })),
3178 ))
3179 .entry(
3180 "Close All",
3181 Some(Box::new(close_all_items_action.clone())),
3182 window.handler_for(&pane, move |pane, window, cx| {
3183 pane.close_all_items(&close_all_items_action, window, cx)
3184 .detach_and_log_err(cx)
3185 }),
3186 );
3187
3188 let pin_tab_entries = |menu: ContextMenu| {
3189 menu.separator().map(|this| {
3190 if is_pinned {
3191 this.entry(
3192 "Unpin Tab",
3193 Some(TogglePinTab.boxed_clone()),
3194 window.handler_for(&pane, move |pane, window, cx| {
3195 pane.unpin_tab_at(ix, window, cx);
3196 }),
3197 )
3198 } else {
3199 this.entry(
3200 "Pin Tab",
3201 Some(TogglePinTab.boxed_clone()),
3202 window.handler_for(&pane, move |pane, window, cx| {
3203 pane.pin_tab_at(ix, window, cx);
3204 }),
3205 )
3206 }
3207 })
3208 };
3209
3210 if capability != Capability::ReadOnly {
3211 let read_only_label = if capability.editable() {
3212 "Make File Read-Only"
3213 } else {
3214 "Make File Editable"
3215 };
3216 menu = menu.separator().entry(
3217 read_only_label,
3218 None,
3219 window.handler_for(&pane, move |pane, window, cx| {
3220 if let Some(item) = pane.item_for_index(ix) {
3221 item.toggle_read_only(window, cx);
3222 }
3223 }),
3224 );
3225 }
3226
3227 if let Some(entry) = single_entry_to_resolve {
3228 let project_path = pane
3229 .read(cx)
3230 .item_for_entry(entry, cx)
3231 .and_then(|item| item.project_path(cx));
3232 let worktree = project_path.as_ref().and_then(|project_path| {
3233 pane.read(cx)
3234 .project
3235 .upgrade()?
3236 .read(cx)
3237 .worktree_for_id(project_path.worktree_id, cx)
3238 });
3239 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
3240 worktree
3241 .read(cx)
3242 .root_entry()
3243 .is_some_and(|entry| entry.is_dir())
3244 });
3245
3246 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
3247 let reveal_path = entry_abs_path.clone();
3248 let parent_abs_path = entry_abs_path
3249 .as_deref()
3250 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3251 let relative_path = project_path
3252 .map(|project_path| project_path.path)
3253 .filter(|_| has_relative_path);
3254
3255 let visible_in_project_panel = relative_path.is_some()
3256 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
3257 let is_local = pane.read(cx).project.upgrade().is_some_and(|project| {
3258 let project = project.read(cx);
3259 project.is_local() || project.is_via_wsl_with_host_interop(cx)
3260 });
3261 let is_remote = pane
3262 .read(cx)
3263 .project
3264 .upgrade()
3265 .is_some_and(|project| project.read(cx).is_remote());
3266
3267 let entry_id = entry.to_proto();
3268
3269 menu = menu
3270 .separator()
3271 .when_some(entry_abs_path, |menu, abs_path| {
3272 menu.entry(
3273 "Copy Path",
3274 Some(Box::new(zed_actions::workspace::CopyPath)),
3275 window.handler_for(&pane, move |_, _, cx| {
3276 cx.write_to_clipboard(ClipboardItem::new_string(
3277 abs_path.to_string_lossy().into_owned(),
3278 ));
3279 }),
3280 )
3281 })
3282 .when_some(relative_path, |menu, relative_path| {
3283 menu.entry(
3284 "Copy Relative Path",
3285 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
3286 window.handler_for(&pane, move |this, _, cx| {
3287 let Some(project) = this.project.upgrade() else {
3288 return;
3289 };
3290 let path_style = project
3291 .update(cx, |project, cx| project.path_style(cx));
3292 cx.write_to_clipboard(ClipboardItem::new_string(
3293 relative_path.display(path_style).to_string(),
3294 ));
3295 }),
3296 )
3297 })
3298 .when(is_local, |menu| {
3299 menu.when_some(reveal_path, |menu, reveal_path| {
3300 menu.separator().entry(
3301 ui::utils::reveal_in_file_manager_label(is_remote),
3302 Some(Box::new(
3303 zed_actions::editor::RevealInFileManager,
3304 )),
3305 window.handler_for(&pane, move |pane, _, cx| {
3306 if let Some(project) = pane.project.upgrade() {
3307 project.update(cx, |project, cx| {
3308 project.reveal_path(&reveal_path, cx);
3309 });
3310 } else {
3311 cx.reveal_path(&reveal_path);
3312 }
3313 }),
3314 )
3315 })
3316 })
3317 .map(pin_tab_entries)
3318 .when(visible_in_project_panel, |menu| {
3319 menu.entry(
3320 "Reveal In Project Panel",
3321 Some(Box::new(RevealInProjectPanel::default())),
3322 window.handler_for(&pane, move |pane, _, cx| {
3323 pane.project
3324 .update(cx, |_, cx| {
3325 cx.emit(project::Event::RevealInProjectPanel(
3326 ProjectEntryId::from_proto(entry_id),
3327 ))
3328 })
3329 .ok();
3330 }),
3331 )
3332 })
3333 .when_some(parent_abs_path, |menu, parent_abs_path| {
3334 menu.entry(
3335 "Open in Terminal",
3336 Some(Box::new(OpenInTerminal)),
3337 window.handler_for(&pane, move |_, window, cx| {
3338 window.dispatch_action(
3339 OpenTerminal {
3340 working_directory: parent_abs_path.clone(),
3341 local: false,
3342 }
3343 .boxed_clone(),
3344 cx,
3345 );
3346 }),
3347 )
3348 });
3349 } else {
3350 menu = menu.map(pin_tab_entries);
3351 }
3352 };
3353
3354 // Add custom item-specific actions
3355 if !extra_actions.is_empty() {
3356 menu = menu.separator();
3357 for (label, action) in extra_actions {
3358 menu = menu.action(label, action);
3359 }
3360 }
3361
3362 menu.context(menu_context)
3363 })
3364 })
3365 }
3366
3367 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
3368 if self.workspace.upgrade().is_none() {
3369 return gpui::Empty.into_any();
3370 }
3371
3372 let focus_handle = self.focus_handle.clone();
3373
3374 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
3375 .icon_size(IconSize::Small)
3376 .on_click({
3377 let entity = cx.entity();
3378 move |_, window, cx| {
3379 entity.update(cx, |pane, cx| {
3380 pane.navigate_backward(&Default::default(), window, cx)
3381 })
3382 }
3383 })
3384 .disabled(!self.can_navigate_backward())
3385 .tooltip({
3386 let focus_handle = focus_handle.clone();
3387 move |window, cx| {
3388 Tooltip::for_action_in(
3389 "Go Back",
3390 &GoBack,
3391 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3392 cx,
3393 )
3394 }
3395 });
3396
3397 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
3398 .icon_size(IconSize::Small)
3399 .on_click({
3400 let entity = cx.entity();
3401 move |_, window, cx| {
3402 entity.update(cx, |pane, cx| {
3403 pane.navigate_forward(&Default::default(), window, cx)
3404 })
3405 }
3406 })
3407 .disabled(!self.can_navigate_forward())
3408 .tooltip({
3409 let focus_handle = focus_handle.clone();
3410 move |window, cx| {
3411 Tooltip::for_action_in(
3412 "Go Forward",
3413 &GoForward,
3414 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3415 cx,
3416 )
3417 }
3418 });
3419
3420 let mut tab_items = self
3421 .items
3422 .iter()
3423 .enumerate()
3424 .zip(tab_details(&self.items, window, cx))
3425 .map(|((ix, item), detail)| {
3426 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
3427 .into_any_element()
3428 })
3429 .collect::<Vec<_>>();
3430 let tab_count = tab_items.len();
3431 if self.is_tab_pinned(tab_count) {
3432 log::warn!(
3433 "Pinned tab count ({}) exceeds actual tab count ({}). \
3434 This should not happen. If possible, add reproduction steps, \
3435 in a comment, to https://github.com/zed-industries/zed/issues/33342",
3436 self.pinned_tab_count,
3437 tab_count
3438 );
3439 self.pinned_tab_count = tab_count;
3440 }
3441 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
3442 let pinned_tabs = tab_items;
3443
3444 let tab_bar_settings = TabBarSettings::get_global(cx);
3445 let use_separate_rows = tab_bar_settings.show_pinned_tabs_in_separate_row;
3446
3447 if use_separate_rows && !pinned_tabs.is_empty() && !unpinned_tabs.is_empty() {
3448 self.render_two_row_tab_bar(
3449 pinned_tabs,
3450 unpinned_tabs,
3451 tab_count,
3452 navigate_backward,
3453 navigate_forward,
3454 window,
3455 cx,
3456 )
3457 } else {
3458 self.render_single_row_tab_bar(
3459 pinned_tabs,
3460 unpinned_tabs,
3461 tab_count,
3462 navigate_backward,
3463 navigate_forward,
3464 window,
3465 cx,
3466 )
3467 }
3468 }
3469
3470 fn configure_tab_bar_start(
3471 &mut self,
3472 tab_bar: TabBar,
3473 navigate_backward: IconButton,
3474 navigate_forward: IconButton,
3475 window: &mut Window,
3476 cx: &mut Context<Pane>,
3477 ) -> TabBar {
3478 tab_bar
3479 .when(
3480 self.display_nav_history_buttons.unwrap_or_default(),
3481 |tab_bar| {
3482 tab_bar
3483 .start_child(navigate_backward)
3484 .start_child(navigate_forward)
3485 },
3486 )
3487 .map(|tab_bar| {
3488 if self.show_tab_bar_buttons {
3489 let render_tab_buttons = self.render_tab_bar_buttons.clone();
3490 let (left_children, right_children) = render_tab_buttons(self, window, cx);
3491 tab_bar
3492 .start_children(left_children)
3493 .end_children(right_children)
3494 } else {
3495 tab_bar
3496 }
3497 })
3498 }
3499
3500 fn render_single_row_tab_bar(
3501 &mut self,
3502 pinned_tabs: Vec<AnyElement>,
3503 unpinned_tabs: Vec<AnyElement>,
3504 tab_count: usize,
3505 navigate_backward: IconButton,
3506 navigate_forward: IconButton,
3507 window: &mut Window,
3508 cx: &mut Context<Pane>,
3509 ) -> AnyElement {
3510 let tab_bar = self
3511 .configure_tab_bar_start(
3512 TabBar::new("tab_bar"),
3513 navigate_backward,
3514 navigate_forward,
3515 window,
3516 cx,
3517 )
3518 .children(pinned_tabs.len().ne(&0).then(|| {
3519 let max_scroll = self.tab_bar_scroll_handle.max_offset().x;
3520 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
3521 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
3522 // Avoid flickering when max_offset is very small (< 2px).
3523 // The border adds 1-2px which can push max_offset back to 0, creating a loop.
3524 let is_scrollable = max_scroll > px(2.0);
3525 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
3526 h_flex()
3527 .children(pinned_tabs)
3528 .when(is_scrollable && is_scrolled, |this| {
3529 this.when(has_active_unpinned_tab, |this| this.border_r_2())
3530 .when(!has_active_unpinned_tab, |this| this.border_r_1())
3531 .border_color(cx.theme().colors().border)
3532 })
3533 }))
3534 .child(self.render_unpinned_tabs_container(unpinned_tabs, tab_count, cx));
3535 tab_bar.into_any_element()
3536 }
3537
3538 fn render_two_row_tab_bar(
3539 &mut self,
3540 pinned_tabs: Vec<AnyElement>,
3541 unpinned_tabs: Vec<AnyElement>,
3542 tab_count: usize,
3543 navigate_backward: IconButton,
3544 navigate_forward: IconButton,
3545 window: &mut Window,
3546 cx: &mut Context<Pane>,
3547 ) -> AnyElement {
3548 let pinned_tab_bar = self
3549 .configure_tab_bar_start(
3550 TabBar::new("pinned_tab_bar"),
3551 navigate_backward,
3552 navigate_forward,
3553 window,
3554 cx,
3555 )
3556 .child(
3557 h_flex()
3558 .id("pinned_tabs_row")
3559 .debug_selector(|| "pinned_tabs_row".into())
3560 .overflow_x_scroll()
3561 .w_full()
3562 .children(pinned_tabs)
3563 .child(self.render_pinned_tab_bar_drop_target(cx)),
3564 );
3565 v_flex()
3566 .w_full()
3567 .flex_none()
3568 .child(pinned_tab_bar)
3569 .child(
3570 TabBar::new("unpinned_tab_bar").child(self.render_unpinned_tabs_container(
3571 unpinned_tabs,
3572 tab_count,
3573 cx,
3574 )),
3575 )
3576 .into_any_element()
3577 }
3578
3579 fn render_unpinned_tabs_container(
3580 &mut self,
3581 unpinned_tabs: Vec<AnyElement>,
3582 tab_count: usize,
3583 cx: &mut Context<Pane>,
3584 ) -> impl IntoElement {
3585 h_flex()
3586 .id("unpinned tabs")
3587 .overflow_x_scroll()
3588 .w_full()
3589 .track_scroll(&self.tab_bar_scroll_handle)
3590 .on_scroll_wheel(cx.listener(|this, _, _, _| {
3591 this.suppress_scroll = true;
3592 }))
3593 .children(unpinned_tabs)
3594 .child(self.render_tab_bar_drop_target(tab_count, cx))
3595 }
3596
3597 fn render_tab_bar_drop_target(
3598 &self,
3599 tab_count: usize,
3600 cx: &mut Context<Pane>,
3601 ) -> impl IntoElement {
3602 div()
3603 .id("tab_bar_drop_target")
3604 .min_w_6()
3605 .h(Tab::container_height(cx))
3606 .flex_grow()
3607 // HACK: This empty child is currently necessary to force the drop target to appear
3608 // despite us setting a min width above.
3609 .child("")
3610 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3611 bar.bg(cx.theme().colors().drop_target_background)
3612 })
3613 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3614 bar.bg(cx.theme().colors().drop_target_background)
3615 })
3616 .on_drop(
3617 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3618 this.drag_split_direction = None;
3619 this.handle_tab_drop(dragged_tab, this.items.len(), false, window, cx)
3620 }),
3621 )
3622 .on_drop(
3623 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3624 this.drag_split_direction = None;
3625 this.handle_project_entry_drop(
3626 &selection.active_selection.entry_id,
3627 Some(tab_count),
3628 window,
3629 cx,
3630 )
3631 }),
3632 )
3633 .on_drop(cx.listener(move |this, paths, window, cx| {
3634 this.drag_split_direction = None;
3635 this.handle_external_paths_drop(paths, window, cx)
3636 }))
3637 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3638 if event.click_count() == 2 {
3639 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3640 }
3641 }))
3642 }
3643
3644 fn render_pinned_tab_bar_drop_target(&self, cx: &mut Context<Pane>) -> impl IntoElement {
3645 div()
3646 .id("pinned_tabs_border")
3647 .debug_selector(|| "pinned_tabs_border".into())
3648 .min_w_6()
3649 .h(Tab::container_height(cx))
3650 .flex_grow()
3651 .border_l_1()
3652 .border_color(cx.theme().colors().border)
3653 // HACK: This empty child is currently necessary to force the drop target to appear
3654 // despite us setting a min width above.
3655 .child("")
3656 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3657 bar.bg(cx.theme().colors().drop_target_background)
3658 })
3659 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3660 bar.bg(cx.theme().colors().drop_target_background)
3661 })
3662 .on_drop(
3663 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3664 this.drag_split_direction = None;
3665 this.handle_pinned_tab_bar_drop(dragged_tab, window, cx)
3666 }),
3667 )
3668 .on_drop(
3669 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3670 this.drag_split_direction = None;
3671 this.handle_project_entry_drop(
3672 &selection.active_selection.entry_id,
3673 Some(this.pinned_tab_count),
3674 window,
3675 cx,
3676 )
3677 }),
3678 )
3679 .on_drop(cx.listener(move |this, paths, window, cx| {
3680 this.drag_split_direction = None;
3681 this.handle_external_paths_drop(paths, window, cx)
3682 }))
3683 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3684 if event.click_count() == 2 {
3685 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3686 }
3687 }))
3688 }
3689
3690 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
3691 div().absolute().bottom_0().right_0().size_0().child(
3692 deferred(anchored().anchor(Anchor::TopRight).child(menu.clone())).with_priority(1),
3693 )
3694 }
3695
3696 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
3697 self.zoomed = zoomed;
3698 cx.notify();
3699 }
3700
3701 pub fn is_zoomed(&self) -> bool {
3702 self.zoomed
3703 }
3704
3705 fn handle_drag_move<T: 'static>(
3706 &mut self,
3707 event: &DragMoveEvent<T>,
3708 window: &mut Window,
3709 cx: &mut Context<Self>,
3710 ) {
3711 let can_split_predicate = self.can_split_predicate.take();
3712 let can_split = match &can_split_predicate {
3713 Some(can_split_predicate) => {
3714 can_split_predicate(self, event.dragged_item(), window, cx)
3715 }
3716 None => false,
3717 };
3718 self.can_split_predicate = can_split_predicate;
3719 if !can_split {
3720 return;
3721 }
3722
3723 let rect = event.bounds.size;
3724
3725 let size = event.bounds.size.width.min(event.bounds.size.height)
3726 * WorkspaceSettings::get_global(cx).drop_target_size;
3727
3728 let relative_cursor = Point::new(
3729 event.event.position.x - event.bounds.left(),
3730 event.event.position.y - event.bounds.top(),
3731 );
3732
3733 let direction = if relative_cursor.x < size
3734 || relative_cursor.x > rect.width - size
3735 || relative_cursor.y < size
3736 || relative_cursor.y > rect.height - size
3737 {
3738 [
3739 SplitDirection::Up,
3740 SplitDirection::Right,
3741 SplitDirection::Down,
3742 SplitDirection::Left,
3743 ]
3744 .iter()
3745 .min_by_key(|side| match side {
3746 SplitDirection::Up => relative_cursor.y,
3747 SplitDirection::Right => rect.width - relative_cursor.x,
3748 SplitDirection::Down => rect.height - relative_cursor.y,
3749 SplitDirection::Left => relative_cursor.x,
3750 })
3751 .cloned()
3752 } else {
3753 None
3754 };
3755
3756 if direction != self.drag_split_direction {
3757 self.drag_split_direction = direction;
3758 }
3759 }
3760
3761 pub fn handle_tab_drop(
3762 &mut self,
3763 dragged_tab: &DraggedTab,
3764 ix: usize,
3765 is_pane_target: bool,
3766 window: &mut Window,
3767 cx: &mut Context<Self>,
3768 ) {
3769 if is_pane_target
3770 && ix == self.active_item_index
3771 && let Some(active_item) = self.active_item()
3772 && active_item.handle_drop(self, dragged_tab, window, cx)
3773 {
3774 return;
3775 }
3776
3777 let mut to_pane = cx.entity();
3778 let split_direction = self.drag_split_direction;
3779 let item_id = dragged_tab.item.item_id();
3780 self.unpreview_item_if_preview(item_id);
3781
3782 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3783 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3784
3785 let from_pane = dragged_tab.pane.clone();
3786
3787 self.workspace
3788 .update(cx, |_, cx| {
3789 cx.defer_in(window, move |workspace, window, cx| {
3790 if let Some(split_direction) = split_direction {
3791 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3792 }
3793 let database_id = workspace.database_id();
3794 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3795 pane.index_for_item_id(item_id)
3796 .is_some_and(|ix| pane.is_tab_pinned(ix))
3797 });
3798 let to_pane_old_length = to_pane.read(cx).items.len();
3799 if is_clone {
3800 let Some(item) = from_pane
3801 .read(cx)
3802 .items()
3803 .find(|item| item.item_id() == item_id)
3804 .cloned()
3805 else {
3806 return;
3807 };
3808 if item.can_split(cx) {
3809 let task = item.clone_on_split(database_id, window, cx);
3810 let to_pane = to_pane.downgrade();
3811 cx.spawn_in(window, async move |_, cx| {
3812 if let Some(item) = task.await {
3813 to_pane
3814 .update_in(cx, |pane, window, cx| {
3815 pane.add_item(item, true, true, None, window, cx)
3816 })
3817 .ok();
3818 }
3819 })
3820 .detach();
3821 } else {
3822 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3823 }
3824 } else {
3825 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3826 }
3827 to_pane.update(cx, |this, _| {
3828 if to_pane == from_pane {
3829 let actual_ix = this
3830 .items
3831 .iter()
3832 .position(|item| item.item_id() == item_id)
3833 .unwrap_or(0);
3834
3835 let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
3836
3837 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3838 this.pinned_tab_count += 1;
3839 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3840 this.pinned_tab_count -= 1;
3841 }
3842 } else if this.items.len() >= to_pane_old_length {
3843 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3844 let item_created_pane = to_pane_old_length == 0;
3845 let is_first_position = ix == 0;
3846 let was_dropped_at_beginning = item_created_pane || is_first_position;
3847 let should_remain_pinned = is_pinned_in_to_pane
3848 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3849
3850 if should_remain_pinned {
3851 this.pinned_tab_count += 1;
3852 }
3853 }
3854 });
3855 });
3856 })
3857 .log_err();
3858 }
3859
3860 fn handle_pinned_tab_bar_drop(
3861 &mut self,
3862 dragged_tab: &DraggedTab,
3863 window: &mut Window,
3864 cx: &mut Context<Self>,
3865 ) {
3866 let item_id = dragged_tab.item.item_id();
3867 let pinned_count = self.pinned_tab_count;
3868
3869 self.handle_tab_drop(dragged_tab, pinned_count, false, window, cx);
3870
3871 let to_pane = cx.entity();
3872
3873 self.workspace
3874 .update(cx, |_, cx| {
3875 cx.defer_in(window, move |_, _, cx| {
3876 to_pane.update(cx, |this, cx| {
3877 if let Some(actual_ix) = this.index_for_item_id(item_id) {
3878 // If the tab ended up at or after pinned_tab_count, it's not pinned
3879 // so we pin it now
3880 if actual_ix >= this.pinned_tab_count {
3881 let was_active = this.active_item_index == actual_ix;
3882 let destination_ix = this.pinned_tab_count;
3883
3884 // Move item to pinned area if needed
3885 if actual_ix != destination_ix {
3886 let item = this.items.remove(actual_ix);
3887 this.items.insert(destination_ix, item);
3888
3889 // Update active_item_index to follow the moved item
3890 if was_active {
3891 this.active_item_index = destination_ix;
3892 } else if this.active_item_index > actual_ix
3893 && this.active_item_index <= destination_ix
3894 {
3895 // Item moved left past the active item
3896 this.active_item_index -= 1;
3897 } else if this.active_item_index >= destination_ix
3898 && this.active_item_index < actual_ix
3899 {
3900 // Item moved right past the active item
3901 this.active_item_index += 1;
3902 }
3903 }
3904 this.pinned_tab_count += 1;
3905 cx.notify();
3906 }
3907 }
3908 });
3909 });
3910 })
3911 .log_err();
3912 }
3913
3914 fn handle_dragged_selection_drop(
3915 &mut self,
3916 dragged_selection: &DraggedSelection,
3917 dragged_onto: Option<usize>,
3918 window: &mut Window,
3919 cx: &mut Context<Self>,
3920 ) {
3921 if let Some(active_item) = self.active_item()
3922 && active_item.handle_drop(self, dragged_selection, window, cx)
3923 {
3924 return;
3925 }
3926
3927 self.handle_project_entry_drop(
3928 &dragged_selection.active_selection.entry_id,
3929 dragged_onto,
3930 window,
3931 cx,
3932 );
3933 }
3934
3935 fn handle_project_entry_drop(
3936 &mut self,
3937 project_entry_id: &ProjectEntryId,
3938 target: Option<usize>,
3939 window: &mut Window,
3940 cx: &mut Context<Self>,
3941 ) {
3942 if let Some(active_item) = self.active_item()
3943 && active_item.handle_drop(self, project_entry_id, window, cx)
3944 {
3945 return;
3946 }
3947
3948 let mut to_pane = cx.entity();
3949 let split_direction = self.drag_split_direction;
3950 let project_entry_id = *project_entry_id;
3951 self.workspace
3952 .update(cx, |_, cx| {
3953 cx.defer_in(window, move |workspace, window, cx| {
3954 if let Some(project_path) = workspace
3955 .project()
3956 .read(cx)
3957 .path_for_entry(project_entry_id, cx)
3958 {
3959 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3960 cx.spawn_in(window, async move |workspace, mut cx| {
3961 if let Some((project_entry_id, build_item)) = load_path_task
3962 .await
3963 .notify_workspace_async_err(workspace.clone(), &mut cx)
3964 {
3965 let (to_pane, new_item_handle) = workspace
3966 .update_in(cx, |workspace, window, cx| {
3967 if let Some(split_direction) = split_direction {
3968 to_pane = workspace.split_pane(
3969 to_pane,
3970 split_direction,
3971 window,
3972 cx,
3973 );
3974 }
3975 let new_item_handle = to_pane.update(cx, |pane, cx| {
3976 pane.open_item(
3977 project_entry_id,
3978 project_path,
3979 true,
3980 false,
3981 true,
3982 target,
3983 window,
3984 cx,
3985 build_item,
3986 )
3987 });
3988 (to_pane, new_item_handle)
3989 })
3990 .log_err()?;
3991 to_pane
3992 .update_in(cx, |this, window, cx| {
3993 let Some(index) = this.index_for_item(&*new_item_handle)
3994 else {
3995 return;
3996 };
3997
3998 if target.is_some_and(|target| this.is_tab_pinned(target)) {
3999 this.pin_tab_at(index, window, cx);
4000 }
4001 })
4002 .ok()?
4003 }
4004 Some(())
4005 })
4006 .detach();
4007 };
4008 });
4009 })
4010 .log_err();
4011 }
4012
4013 fn handle_external_paths_drop(
4014 &mut self,
4015 paths: &ExternalPaths,
4016 window: &mut Window,
4017 cx: &mut Context<Self>,
4018 ) {
4019 if let Some(active_item) = self.active_item()
4020 && active_item.handle_drop(self, paths, window, cx)
4021 {
4022 return;
4023 }
4024
4025 let mut to_pane = cx.entity();
4026 let mut split_direction = self.drag_split_direction;
4027 let paths = paths.paths().to_vec();
4028 let is_remote = self
4029 .workspace
4030 .update(cx, |workspace, cx| {
4031 if workspace.project().read(cx).is_via_collab() {
4032 workspace.show_error(
4033 &anyhow::anyhow!("Cannot drop files on a remote project"),
4034 cx,
4035 );
4036 true
4037 } else {
4038 false
4039 }
4040 })
4041 .unwrap_or(true);
4042 if is_remote {
4043 return;
4044 }
4045
4046 self.workspace
4047 .update(cx, |workspace, cx| {
4048 let fs = Arc::clone(workspace.project().read(cx).fs());
4049 cx.spawn_in(window, async move |workspace, cx| {
4050 let mut is_file_checks = FuturesUnordered::new();
4051 for path in &paths {
4052 is_file_checks.push(fs.is_file(path))
4053 }
4054 let mut has_files_to_open = false;
4055 while let Some(is_file) = is_file_checks.next().await {
4056 if is_file {
4057 has_files_to_open = true;
4058 break;
4059 }
4060 }
4061 drop(is_file_checks);
4062 if !has_files_to_open {
4063 split_direction = None;
4064 }
4065
4066 if let Ok((open_task, to_pane)) =
4067 workspace.update_in(cx, |workspace, window, cx| {
4068 if let Some(split_direction) = split_direction {
4069 to_pane =
4070 workspace.split_pane(to_pane, split_direction, window, cx);
4071 }
4072 (
4073 workspace.open_paths(
4074 paths,
4075 OpenOptions {
4076 visible: Some(OpenVisible::OnlyDirectories),
4077 ..Default::default()
4078 },
4079 Some(to_pane.downgrade()),
4080 window,
4081 cx,
4082 ),
4083 to_pane,
4084 )
4085 })
4086 {
4087 let opened_items: Vec<_> = open_task.await;
4088 _ = workspace.update_in(cx, |workspace, window, cx| {
4089 for item in opened_items.into_iter().flatten() {
4090 if let Err(e) = item {
4091 workspace.show_error(&e, cx);
4092 }
4093 }
4094 if to_pane.read(cx).items_len() == 0 {
4095 workspace.remove_pane(to_pane, None, window, cx);
4096 }
4097 });
4098 }
4099 })
4100 .detach();
4101 })
4102 .log_err();
4103 }
4104
4105 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
4106 self.display_nav_history_buttons = display;
4107 }
4108
4109 fn pinned_item_ids(&self) -> Vec<EntityId> {
4110 self.items
4111 .iter()
4112 .enumerate()
4113 .filter_map(|(index, item)| {
4114 if self.is_tab_pinned(index) {
4115 return Some(item.item_id());
4116 }
4117
4118 None
4119 })
4120 .collect()
4121 }
4122
4123 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4124 self.items()
4125 .filter_map(|item| {
4126 if !item.is_dirty(cx) {
4127 return Some(item.item_id());
4128 }
4129
4130 None
4131 })
4132 .collect()
4133 }
4134
4135 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
4136 match side {
4137 Side::Left => self
4138 .items()
4139 .take_while(|item| item.item_id() != item_id)
4140 .map(|item| item.item_id())
4141 .collect(),
4142 Side::Right => self
4143 .items()
4144 .rev()
4145 .take_while(|item| item.item_id() != item_id)
4146 .map(|item| item.item_id())
4147 .collect(),
4148 }
4149 }
4150
4151 fn multibuffer_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4152 self.items()
4153 .filter(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer)
4154 .map(|item| item.item_id())
4155 .collect()
4156 }
4157
4158 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
4159 self.drag_split_direction
4160 }
4161
4162 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
4163 self.zoom_out_on_close = zoom_out_on_close;
4164 }
4165}
4166
4167fn default_render_tab_bar_buttons(
4168 pane: &mut Pane,
4169 window: &mut Window,
4170 cx: &mut Context<Pane>,
4171) -> (Option<AnyElement>, Option<AnyElement>) {
4172 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
4173 return (None, None);
4174 }
4175 let (can_clone, can_split_move) = match pane.active_item() {
4176 Some(active_item) if active_item.can_split(cx) => (true, false),
4177 Some(_) => (false, pane.items_len() > 1),
4178 None => (false, false),
4179 };
4180 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
4181 // `end_slot`, but due to needing a view here that isn't possible.
4182 let right_children = h_flex()
4183 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
4184 .gap(DynamicSpacing::Base04.rems(cx))
4185 .child(
4186 PopoverMenu::new("pane-tab-bar-popover-menu")
4187 .trigger_with_tooltip(
4188 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
4189 Tooltip::text("New..."),
4190 )
4191 .anchor(Anchor::TopRight)
4192 .with_handle(pane.new_item_context_menu_handle.clone())
4193 .menu(move |window, cx| {
4194 Some(ContextMenu::build(window, cx, |menu, _, _| {
4195 menu.action("New File", NewFile.boxed_clone())
4196 .action("Open File", ToggleFileFinder::default().boxed_clone())
4197 .separator()
4198 .action("Search Project", DeploySearch::default().boxed_clone())
4199 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
4200 .separator()
4201 .action("New Terminal", NewTerminal::default().boxed_clone())
4202 .action(
4203 "New Center Terminal",
4204 NewCenterTerminal::default().boxed_clone(),
4205 )
4206 }))
4207 }),
4208 )
4209 .child(
4210 PopoverMenu::new("pane-tab-bar-split")
4211 .trigger_with_tooltip(
4212 IconButton::new("split", IconName::Split)
4213 .icon_size(IconSize::Small)
4214 .disabled(!can_clone && !can_split_move),
4215 Tooltip::text("Split Pane"),
4216 )
4217 .anchor(Anchor::TopRight)
4218 .with_handle(pane.split_item_context_menu_handle.clone())
4219 .menu(move |window, cx| {
4220 ContextMenu::build(window, cx, |menu, _, _| {
4221 let mode = SplitMode::MovePane;
4222 if can_split_move {
4223 menu.action("Split Right", SplitRight { mode }.boxed_clone())
4224 .action("Split Left", SplitLeft { mode }.boxed_clone())
4225 .action("Split Up", SplitUp { mode }.boxed_clone())
4226 .action("Split Down", SplitDown { mode }.boxed_clone())
4227 } else {
4228 menu.action("Split Right", SplitRight::default().boxed_clone())
4229 .action("Split Left", SplitLeft::default().boxed_clone())
4230 .action("Split Up", SplitUp::default().boxed_clone())
4231 .action("Split Down", SplitDown::default().boxed_clone())
4232 }
4233 })
4234 .into()
4235 }),
4236 )
4237 .child({
4238 let zoomed = pane.is_zoomed();
4239 IconButton::new("toggle_zoom", IconName::Maximize)
4240 .icon_size(IconSize::Small)
4241 .toggle_state(zoomed)
4242 .selected_icon(IconName::Minimize)
4243 .on_click(cx.listener(|pane, _, window, cx| {
4244 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
4245 }))
4246 .tooltip(move |_window, cx| {
4247 Tooltip::for_action(
4248 if zoomed { "Zoom Out" } else { "Zoom In" },
4249 &ToggleZoom,
4250 cx,
4251 )
4252 })
4253 })
4254 .into_any_element()
4255 .into();
4256 (None, right_children)
4257}
4258
4259impl Focusable for Pane {
4260 fn focus_handle(&self, _cx: &App) -> FocusHandle {
4261 self.focus_handle.clone()
4262 }
4263}
4264
4265impl Render for Pane {
4266 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4267 let mut key_context = KeyContext::new_with_defaults();
4268 key_context.add("Pane");
4269 if self.active_item().is_none() {
4270 key_context.add("EmptyPane");
4271 }
4272
4273 self.toolbar
4274 .read(cx)
4275 .contribute_context(&mut key_context, cx);
4276
4277 let should_display_tab_bar = self.should_display_tab_bar.clone();
4278 let display_tab_bar = should_display_tab_bar(window, cx);
4279 let Some(project) = self.project.upgrade() else {
4280 return div().track_focus(&self.focus_handle(cx));
4281 };
4282 let is_local = project.read(cx).is_local();
4283
4284 v_flex()
4285 .key_context(key_context)
4286 .track_focus(&self.focus_handle(cx))
4287 .size_full()
4288 .flex_none()
4289 .overflow_hidden()
4290 .on_action(cx.listener(|pane, split: &SplitLeft, window, cx| {
4291 pane.split(SplitDirection::Left, split.mode, window, cx)
4292 }))
4293 .on_action(cx.listener(|pane, split: &SplitUp, window, cx| {
4294 pane.split(SplitDirection::Up, split.mode, window, cx)
4295 }))
4296 .on_action(cx.listener(|pane, split: &SplitHorizontal, window, cx| {
4297 pane.split(SplitDirection::horizontal(cx), split.mode, window, cx)
4298 }))
4299 .on_action(cx.listener(|pane, split: &SplitVertical, window, cx| {
4300 pane.split(SplitDirection::vertical(cx), split.mode, window, cx)
4301 }))
4302 .on_action(cx.listener(|pane, split: &SplitRight, window, cx| {
4303 pane.split(SplitDirection::Right, split.mode, window, cx)
4304 }))
4305 .on_action(cx.listener(|pane, split: &SplitDown, window, cx| {
4306 pane.split(SplitDirection::Down, split.mode, window, cx)
4307 }))
4308 .on_action(cx.listener(|pane, _: &SplitAndMoveUp, window, cx| {
4309 pane.split(SplitDirection::Up, SplitMode::MovePane, window, cx)
4310 }))
4311 .on_action(cx.listener(|pane, _: &SplitAndMoveDown, window, cx| {
4312 pane.split(SplitDirection::Down, SplitMode::MovePane, window, cx)
4313 }))
4314 .on_action(cx.listener(|pane, _: &SplitAndMoveLeft, window, cx| {
4315 pane.split(SplitDirection::Left, SplitMode::MovePane, window, cx)
4316 }))
4317 .on_action(cx.listener(|pane, _: &SplitAndMoveRight, window, cx| {
4318 pane.split(SplitDirection::Right, SplitMode::MovePane, window, cx)
4319 }))
4320 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
4321 cx.emit(Event::JoinIntoNext);
4322 }))
4323 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
4324 cx.emit(Event::JoinAll);
4325 }))
4326 .on_action(cx.listener(Pane::toggle_zoom))
4327 .on_action(cx.listener(Pane::zoom_in))
4328 .on_action(cx.listener(Pane::zoom_out))
4329 .on_action(cx.listener(Self::navigate_backward))
4330 .on_action(cx.listener(Self::navigate_forward))
4331 .on_action(cx.listener(Self::go_to_older_tag))
4332 .on_action(cx.listener(Self::go_to_newer_tag))
4333 .on_action(
4334 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
4335 pane.activate_item(
4336 action.0.min(pane.items.len().saturating_sub(1)),
4337 true,
4338 true,
4339 window,
4340 cx,
4341 );
4342 }),
4343 )
4344 .on_action(cx.listener(Self::alternate_file))
4345 .on_action(cx.listener(Self::activate_last_item))
4346 .on_action(cx.listener(Self::activate_previous_item))
4347 .on_action(cx.listener(Self::activate_next_item))
4348 .on_action(cx.listener(Self::swap_item_left))
4349 .on_action(cx.listener(Self::swap_item_right))
4350 .on_action(cx.listener(Self::toggle_pin_tab))
4351 .on_action(cx.listener(Self::unpin_all_tabs))
4352 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
4353 this.on_action(
4354 cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, window, cx| {
4355 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
4356 if pane.is_active_preview_item(active_item_id) {
4357 pane.unpreview_item_if_preview(active_item_id);
4358 } else {
4359 pane.replace_preview_item_id(active_item_id, window, cx);
4360 }
4361 }
4362 }),
4363 )
4364 })
4365 .on_action(
4366 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
4367 pane.close_active_item(action, window, cx)
4368 .detach_and_log_err(cx)
4369 }),
4370 )
4371 .on_action(
4372 cx.listener(|pane: &mut Self, action: &CloseOtherItems, window, cx| {
4373 pane.close_other_items(action, None, window, cx)
4374 .detach_and_log_err(cx);
4375 }),
4376 )
4377 .on_action(
4378 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
4379 pane.close_clean_items(action, window, cx)
4380 .detach_and_log_err(cx)
4381 }),
4382 )
4383 .on_action(cx.listener(
4384 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
4385 pane.close_items_to_the_left_by_id(None, action, window, cx)
4386 .detach_and_log_err(cx)
4387 },
4388 ))
4389 .on_action(cx.listener(
4390 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
4391 pane.close_items_to_the_right_by_id(None, action, window, cx)
4392 .detach_and_log_err(cx)
4393 },
4394 ))
4395 .on_action(
4396 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
4397 pane.close_all_items(action, window, cx)
4398 .detach_and_log_err(cx)
4399 }),
4400 )
4401 .on_action(cx.listener(
4402 |pane: &mut Self, action: &CloseMultibufferItems, window, cx| {
4403 pane.close_multibuffer_items(action, window, cx)
4404 .detach_and_log_err(cx)
4405 },
4406 ))
4407 .on_action(cx.listener(
4408 |pane: &mut Self, action: &RevealInProjectPanel, _window, cx| {
4409 let active_item = pane.active_item();
4410 let entry_id = active_item.as_ref().and_then(|item| {
4411 action
4412 .entry_id
4413 .map(ProjectEntryId::from_proto)
4414 .or_else(|| item.project_entry_ids(cx).first().copied())
4415 });
4416
4417 pane.project
4418 .update(cx, |project, cx| {
4419 if let Some(entry_id) = entry_id
4420 && project
4421 .worktree_for_entry(entry_id, cx)
4422 .is_some_and(|worktree| worktree.read(cx).is_visible())
4423 {
4424 return cx.emit(project::Event::RevealInProjectPanel(entry_id));
4425 }
4426
4427 // When no entry is found, which is the case when
4428 // working with an unsaved buffer, or the worktree
4429 // is not visible, for example, a file that doesn't
4430 // belong to an open project, we can't reveal the
4431 // entry but we still want to activate the project
4432 // panel.
4433 cx.emit(project::Event::ActivateProjectPanel);
4434 })
4435 .log_err();
4436 },
4437 ))
4438 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
4439 if cx.stop_active_drag(window) {
4440 } else {
4441 cx.propagate();
4442 }
4443 }))
4444 .when(self.active_item().is_some() && display_tab_bar, |pane| {
4445 pane.child((self.render_tab_bar.clone())(self, window, cx))
4446 })
4447 .child({
4448 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
4449 // main content
4450 div()
4451 .flex_1()
4452 .relative()
4453 .group("")
4454 .overflow_hidden()
4455 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
4456 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
4457 .when(is_local, |div| {
4458 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
4459 })
4460 .map(|div| {
4461 if let Some(item) = self.active_item() {
4462 div.id("pane_placeholder")
4463 .v_flex()
4464 .size_full()
4465 .overflow_hidden()
4466 .child(self.toolbar.clone())
4467 .child(item.to_any_view())
4468 } else {
4469 let placeholder = div
4470 .id("pane_placeholder")
4471 .h_flex()
4472 .size_full()
4473 .justify_center()
4474 .on_click(cx.listener(
4475 move |this, event: &ClickEvent, window, cx| {
4476 if event.click_count() == 2 {
4477 window.dispatch_action(
4478 this.double_click_dispatch_action.boxed_clone(),
4479 cx,
4480 );
4481 }
4482 },
4483 ));
4484 if has_worktrees || !self.should_display_welcome_page {
4485 placeholder
4486 } else {
4487 if self.welcome_page.is_none() {
4488 let workspace = self.workspace.clone();
4489 self.welcome_page = Some(cx.new(|cx| {
4490 crate::welcome::WelcomePage::new(
4491 workspace, true, window, cx,
4492 )
4493 }));
4494 }
4495 placeholder.child(self.welcome_page.clone().unwrap())
4496 }
4497 }
4498 .focus_follows_mouse(self.focus_follows_mouse, cx)
4499 })
4500 .child(
4501 // drag target
4502 div()
4503 .invisible()
4504 .absolute()
4505 .bg(cx.theme().colors().drop_target_background)
4506 .group_drag_over::<DraggedTab>("", |style| style.visible())
4507 .group_drag_over::<DraggedSelection>("", |style| style.visible())
4508 .when(is_local, |div| {
4509 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
4510 })
4511 .when_some(self.can_drop_predicate.clone(), |this, p| {
4512 this.can_drop(move |a, window, cx| p(a, window, cx))
4513 })
4514 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
4515 this.handle_tab_drop(
4516 dragged_tab,
4517 this.active_item_index(),
4518 true,
4519 window,
4520 cx,
4521 )
4522 }))
4523 .on_drop(cx.listener(
4524 move |this, selection: &DraggedSelection, window, cx| {
4525 this.handle_dragged_selection_drop(selection, None, window, cx)
4526 },
4527 ))
4528 .on_drop(cx.listener(move |this, paths, window, cx| {
4529 this.handle_external_paths_drop(paths, window, cx)
4530 }))
4531 .map(|div| {
4532 let size = DefiniteLength::Fraction(0.5);
4533 match self.drag_split_direction {
4534 None => div.top_0().right_0().bottom_0().left_0(),
4535 Some(SplitDirection::Up) => {
4536 div.top_0().left_0().right_0().h(size)
4537 }
4538 Some(SplitDirection::Down) => {
4539 div.left_0().bottom_0().right_0().h(size)
4540 }
4541 Some(SplitDirection::Left) => {
4542 div.top_0().left_0().bottom_0().w(size)
4543 }
4544 Some(SplitDirection::Right) => {
4545 div.top_0().bottom_0().right_0().w(size)
4546 }
4547 }
4548 }),
4549 )
4550 })
4551 .on_mouse_down(
4552 MouseButton::Navigate(NavigationDirection::Back),
4553 cx.listener(|pane, _, window, cx| {
4554 if let Some(workspace) = pane.workspace.upgrade() {
4555 let pane = cx.entity().downgrade();
4556 window.defer(cx, move |window, cx| {
4557 workspace.update(cx, |workspace, cx| {
4558 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
4559 })
4560 })
4561 }
4562 }),
4563 )
4564 .on_mouse_down(
4565 MouseButton::Navigate(NavigationDirection::Forward),
4566 cx.listener(|pane, _, window, cx| {
4567 if let Some(workspace) = pane.workspace.upgrade() {
4568 let pane = cx.entity().downgrade();
4569 window.defer(cx, move |window, cx| {
4570 workspace.update(cx, |workspace, cx| {
4571 workspace
4572 .go_forward(pane, window, cx)
4573 .detach_and_log_err(cx)
4574 })
4575 })
4576 }
4577 }),
4578 )
4579 }
4580}
4581
4582impl ItemNavHistory {
4583 pub fn push<D: 'static + Any + Send + Sync>(
4584 &mut self,
4585 data: Option<D>,
4586 row: Option<u32>,
4587 cx: &mut App,
4588 ) {
4589 if self
4590 .item
4591 .upgrade()
4592 .is_some_and(|item| item.include_in_nav_history())
4593 {
4594 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4595 self.history
4596 .push(data, self.item.clone(), is_preview_item, row, cx);
4597 }
4598 }
4599
4600 pub fn navigation_entry(&self, data: Option<Arc<dyn Any + Send + Sync>>) -> NavigationEntry {
4601 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4602 NavigationEntry {
4603 item: self.item.clone(),
4604 data,
4605 timestamp: 0,
4606 is_preview: is_preview_item,
4607 row: None,
4608 }
4609 }
4610
4611 pub fn push_tag(&mut self, origin: Option<NavigationEntry>, target: Option<NavigationEntry>) {
4612 if let (Some(origin_entry), Some(target_entry)) = (origin, target) {
4613 self.history.push_tag(origin_entry, target_entry);
4614 }
4615 }
4616
4617 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4618 self.history.pop(NavigationMode::GoingBack, cx)
4619 }
4620
4621 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4622 self.history.pop(NavigationMode::GoingForward, cx)
4623 }
4624}
4625
4626impl NavHistory {
4627 pub fn for_each_entry(
4628 &self,
4629 cx: &App,
4630 f: &mut dyn FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
4631 ) {
4632 let borrowed_history = self.0.lock();
4633 borrowed_history
4634 .forward_stack
4635 .iter()
4636 .chain(borrowed_history.backward_stack.iter())
4637 .chain(borrowed_history.closed_stack.iter())
4638 .for_each(|entry| {
4639 if let Some(project_and_abs_path) =
4640 borrowed_history.paths_by_item.get(&entry.item.id())
4641 {
4642 f(entry, project_and_abs_path.clone());
4643 } else if let Some(item) = entry.item.upgrade()
4644 && let Some(path) = item.project_path(cx)
4645 {
4646 f(entry, (path, None));
4647 }
4648 })
4649 }
4650
4651 pub fn set_mode(&mut self, mode: NavigationMode) {
4652 self.0.lock().mode = mode;
4653 }
4654
4655 pub fn mode(&self) -> NavigationMode {
4656 self.0.lock().mode
4657 }
4658
4659 pub fn disable(&mut self) {
4660 self.0.lock().mode = NavigationMode::Disabled;
4661 }
4662
4663 pub fn enable(&mut self) {
4664 self.0.lock().mode = NavigationMode::Normal;
4665 }
4666
4667 pub fn clear(&mut self, cx: &mut App) {
4668 let mut state = self.0.lock();
4669
4670 if state.backward_stack.is_empty()
4671 && state.forward_stack.is_empty()
4672 && state.closed_stack.is_empty()
4673 && state.paths_by_item.is_empty()
4674 && state.tag_stack.is_empty()
4675 {
4676 return;
4677 }
4678
4679 state.mode = NavigationMode::Normal;
4680 state.backward_stack.clear();
4681 state.forward_stack.clear();
4682 state.closed_stack.clear();
4683 state.paths_by_item.clear();
4684 state.tag_stack.clear();
4685 state.tag_stack_pos = 0;
4686 state.did_update(cx);
4687 }
4688
4689 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
4690 let mut state = self.0.lock();
4691 let entry = match mode {
4692 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
4693 return None;
4694 }
4695 NavigationMode::GoingBack => &mut state.backward_stack,
4696 NavigationMode::GoingForward => &mut state.forward_stack,
4697 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
4698 }
4699 .pop_back();
4700 if entry.is_some() {
4701 state.did_update(cx);
4702 }
4703 entry
4704 }
4705
4706 pub fn push<D: 'static + Any + Send + Sync>(
4707 &mut self,
4708 data: Option<D>,
4709 item: Arc<dyn WeakItemHandle + Send + Sync>,
4710 is_preview: bool,
4711 row: Option<u32>,
4712 cx: &mut App,
4713 ) {
4714 let state = &mut *self.0.lock();
4715 let new_item_id = item.id();
4716
4717 let is_same_location =
4718 |entry: &NavigationEntry| entry.item.id() == new_item_id && entry.row == row;
4719
4720 match state.mode {
4721 NavigationMode::Disabled => {}
4722 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
4723 state
4724 .backward_stack
4725 .retain(|entry| !is_same_location(entry));
4726
4727 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4728 state.backward_stack.pop_front();
4729 }
4730 state.backward_stack.push_back(NavigationEntry {
4731 item,
4732 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4733 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4734 is_preview,
4735 row,
4736 });
4737 state.forward_stack.clear();
4738 }
4739 NavigationMode::GoingBack => {
4740 state.forward_stack.retain(|entry| !is_same_location(entry));
4741
4742 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4743 state.forward_stack.pop_front();
4744 }
4745 state.forward_stack.push_back(NavigationEntry {
4746 item,
4747 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4748 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4749 is_preview,
4750 row,
4751 });
4752 }
4753 NavigationMode::GoingForward => {
4754 state
4755 .backward_stack
4756 .retain(|entry| !is_same_location(entry));
4757
4758 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4759 state.backward_stack.pop_front();
4760 }
4761 state.backward_stack.push_back(NavigationEntry {
4762 item,
4763 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4764 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4765 is_preview,
4766 row,
4767 });
4768 }
4769 NavigationMode::ClosingItem if is_preview => return,
4770 NavigationMode::ClosingItem => {
4771 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4772 state.closed_stack.pop_front();
4773 }
4774 state.closed_stack.push_back(NavigationEntry {
4775 item,
4776 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4777 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4778 is_preview,
4779 row,
4780 });
4781 }
4782 }
4783 state.did_update(cx);
4784 }
4785
4786 pub fn remove_item(&mut self, item_id: EntityId) {
4787 let mut state = self.0.lock();
4788 state.paths_by_item.remove(&item_id);
4789 state
4790 .backward_stack
4791 .retain(|entry| entry.item.id() != item_id);
4792 state
4793 .forward_stack
4794 .retain(|entry| entry.item.id() != item_id);
4795 state
4796 .closed_stack
4797 .retain(|entry| entry.item.id() != item_id);
4798 state
4799 .tag_stack
4800 .retain(|entry| entry.origin.item.id() != item_id && entry.target.item.id() != item_id);
4801 }
4802
4803 pub fn rename_item(
4804 &mut self,
4805 item_id: EntityId,
4806 project_path: ProjectPath,
4807 abs_path: Option<PathBuf>,
4808 ) {
4809 let mut state = self.0.lock();
4810 let path_for_item = state.paths_by_item.get_mut(&item_id);
4811 if let Some(path_for_item) = path_for_item {
4812 path_for_item.0 = project_path;
4813 path_for_item.1 = abs_path;
4814 }
4815 }
4816
4817 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
4818 self.0.lock().paths_by_item.get(&item_id).cloned()
4819 }
4820
4821 pub fn push_tag(&mut self, origin: NavigationEntry, target: NavigationEntry) {
4822 let mut state = self.0.lock();
4823 let truncate_to = state.tag_stack_pos;
4824 state.tag_stack.truncate(truncate_to);
4825 state.tag_stack.push_back(TagStackEntry { origin, target });
4826 state.tag_stack_pos = state.tag_stack.len();
4827 }
4828
4829 pub fn pop_tag(&mut self, mode: TagNavigationMode) -> Option<NavigationEntry> {
4830 let mut state = self.0.lock();
4831 match mode {
4832 TagNavigationMode::Older => {
4833 if state.tag_stack_pos > 0 {
4834 state.tag_stack_pos -= 1;
4835 state
4836 .tag_stack
4837 .get(state.tag_stack_pos)
4838 .map(|e| e.origin.clone())
4839 } else {
4840 None
4841 }
4842 }
4843 TagNavigationMode::Newer => {
4844 let entry = state
4845 .tag_stack
4846 .get(state.tag_stack_pos)
4847 .map(|e| e.target.clone());
4848 if state.tag_stack_pos < state.tag_stack.len() {
4849 state.tag_stack_pos += 1;
4850 }
4851 entry
4852 }
4853 }
4854 }
4855}
4856
4857impl NavHistoryState {
4858 pub fn did_update(&self, cx: &mut App) {
4859 if let Some(pane) = self.pane.upgrade() {
4860 cx.defer(move |cx| {
4861 pane.update(cx, |pane, cx| pane.history_updated(cx));
4862 });
4863 }
4864 }
4865}
4866
4867fn dirty_message_for(buffer_path: Option<ProjectPath>, path_style: PathStyle) -> String {
4868 let path = buffer_path
4869 .as_ref()
4870 .and_then(|p| {
4871 let path = p.path.display(path_style);
4872 if path.is_empty() { None } else { Some(path) }
4873 })
4874 .unwrap_or("This buffer".into());
4875 let path = truncate_and_remove_front(&path, 80);
4876 format!("{path} contains unsaved edits. Do you want to save it?")
4877}
4878
4879pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
4880 util::disambiguate::compute_disambiguation_details(items, |item, detail| {
4881 item.tab_content_text(detail, cx)
4882 })
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, rc::Rc};
4921
4922 use super::*;
4923 use crate::{
4924 Member,
4925 item::test::{TestItem, TestProjectItem},
4926 };
4927 use gpui::{
4928 AppContext, Axis, Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
4929 TestAppContext, VisualTestContext, size,
4930 };
4931 use project::FakeFs;
4932 use settings::SettingsStore;
4933 use theme::LoadThemes;
4934 use util::TryFutureExt;
4935
4936 // drop_call_count is a Cell here because `handle_drop` takes &self, not &mut self.
4937 struct CustomDropHandlingItem {
4938 focus_handle: gpui::FocusHandle,
4939 drop_call_count: Cell<usize>,
4940 }
4941
4942 impl CustomDropHandlingItem {
4943 fn new(cx: &mut Context<Self>) -> Self {
4944 Self {
4945 focus_handle: cx.focus_handle(),
4946 drop_call_count: Cell::new(0),
4947 }
4948 }
4949
4950 fn drop_call_count(&self) -> usize {
4951 self.drop_call_count.get()
4952 }
4953 }
4954
4955 impl EventEmitter<()> for CustomDropHandlingItem {}
4956
4957 impl Focusable for CustomDropHandlingItem {
4958 fn focus_handle(&self, _cx: &App) -> gpui::FocusHandle {
4959 self.focus_handle.clone()
4960 }
4961 }
4962
4963 impl Render for CustomDropHandlingItem {
4964 fn render(
4965 &mut self,
4966 _window: &mut Window,
4967 _cx: &mut Context<Self>,
4968 ) -> impl gpui::IntoElement {
4969 gpui::Empty
4970 }
4971 }
4972
4973 impl Item for CustomDropHandlingItem {
4974 type Event = ();
4975
4976 fn tab_content_text(&self, _detail: usize, _cx: &App) -> gpui::SharedString {
4977 "custom_drop_handling_item".into()
4978 }
4979
4980 fn handle_drop(
4981 &self,
4982 _active_pane: &Pane,
4983 dropped: &dyn std::any::Any,
4984 _window: &mut Window,
4985 _cx: &mut App,
4986 ) -> bool {
4987 let is_dragged_tab = dropped.downcast_ref::<DraggedTab>().is_some();
4988 if is_dragged_tab {
4989 self.drop_call_count.set(self.drop_call_count.get() + 1);
4990 }
4991 is_dragged_tab
4992 }
4993 }
4994
4995 #[gpui::test]
4996 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
4997 init_test(cx);
4998 let fs = FakeFs::new(cx.executor());
4999
5000 let project = Project::test(fs, None, cx).await;
5001 let (workspace, cx) =
5002 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5003 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5004
5005 for i in 0..7 {
5006 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
5007 }
5008
5009 set_max_tabs(cx, Some(5));
5010 add_labeled_item(&pane, "7", false, cx);
5011 // Remove items to respect the max tab cap.
5012 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
5013 pane.update_in(cx, |pane, window, cx| {
5014 pane.activate_item(0, false, false, window, cx);
5015 });
5016 add_labeled_item(&pane, "X", false, cx);
5017 // Respect activation order.
5018 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
5019
5020 for i in 0..7 {
5021 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
5022 }
5023 // Keeps dirty items, even over max tab cap.
5024 assert_item_labels(
5025 &pane,
5026 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
5027 cx,
5028 );
5029
5030 set_max_tabs(cx, None);
5031 for i in 0..7 {
5032 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
5033 }
5034 // No cap when max tabs is None.
5035 assert_item_labels(
5036 &pane,
5037 [
5038 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
5039 "N5", "N6*",
5040 ],
5041 cx,
5042 );
5043 }
5044
5045 #[gpui::test]
5046 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
5047 init_test(cx);
5048 let fs = FakeFs::new(cx.executor());
5049
5050 let project = Project::test(fs, None, cx).await;
5051 let (workspace, cx) =
5052 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5053 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5054
5055 add_labeled_item(&pane, "A", false, cx);
5056 add_labeled_item(&pane, "B", false, cx);
5057 let item_c = add_labeled_item(&pane, "C", false, cx);
5058 let item_d = add_labeled_item(&pane, "D", false, cx);
5059 add_labeled_item(&pane, "E", false, cx);
5060 add_labeled_item(&pane, "Settings", false, cx);
5061 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
5062
5063 set_max_tabs(cx, Some(5));
5064 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
5065
5066 set_max_tabs(cx, Some(4));
5067 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
5068
5069 pane.update_in(cx, |pane, window, cx| {
5070 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5071 pane.pin_tab_at(ix, window, cx);
5072
5073 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5074 pane.pin_tab_at(ix, window, cx);
5075 });
5076 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
5077
5078 set_max_tabs(cx, Some(2));
5079 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
5080 }
5081
5082 #[gpui::test]
5083 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5084 init_test(cx);
5085 let fs = FakeFs::new(cx.executor());
5086
5087 let project = Project::test(fs, None, cx).await;
5088 let (workspace, cx) =
5089 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5090 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5091
5092 set_max_tabs(cx, Some(1));
5093 let item_a = add_labeled_item(&pane, "A", true, cx);
5094
5095 pane.update_in(cx, |pane, window, cx| {
5096 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5097 pane.pin_tab_at(ix, window, cx);
5098 });
5099 assert_item_labels(&pane, ["A*^!"], cx);
5100 }
5101
5102 #[gpui::test]
5103 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5104 init_test(cx);
5105 let fs = FakeFs::new(cx.executor());
5106
5107 let project = Project::test(fs, None, cx).await;
5108 let (workspace, cx) =
5109 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5110 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5111
5112 set_max_tabs(cx, Some(1));
5113 let item_a = add_labeled_item(&pane, "A", false, cx);
5114
5115 pane.update_in(cx, |pane, window, cx| {
5116 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5117 pane.pin_tab_at(ix, window, cx);
5118 });
5119 assert_item_labels(&pane, ["A*!"], cx);
5120 }
5121
5122 #[gpui::test]
5123 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
5124 init_test(cx);
5125 let fs = FakeFs::new(cx.executor());
5126
5127 let project = Project::test(fs, None, cx).await;
5128 let (workspace, cx) =
5129 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5130 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5131
5132 set_max_tabs(cx, Some(3));
5133
5134 let item_a = add_labeled_item(&pane, "A", false, cx);
5135 assert_item_labels(&pane, ["A*"], cx);
5136
5137 pane.update_in(cx, |pane, window, cx| {
5138 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5139 pane.pin_tab_at(ix, window, cx);
5140 });
5141 assert_item_labels(&pane, ["A*!"], cx);
5142
5143 let item_b = add_labeled_item(&pane, "B", false, cx);
5144 assert_item_labels(&pane, ["A!", "B*"], cx);
5145
5146 pane.update_in(cx, |pane, window, cx| {
5147 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5148 pane.pin_tab_at(ix, window, cx);
5149 });
5150 assert_item_labels(&pane, ["A!", "B*!"], cx);
5151
5152 let item_c = add_labeled_item(&pane, "C", false, cx);
5153 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5154
5155 pane.update_in(cx, |pane, window, cx| {
5156 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5157 pane.pin_tab_at(ix, window, cx);
5158 });
5159 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5160 }
5161
5162 #[gpui::test]
5163 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5164 init_test(cx);
5165 let fs = FakeFs::new(cx.executor());
5166
5167 let project = Project::test(fs, None, cx).await;
5168 let (workspace, cx) =
5169 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5170 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5171
5172 set_max_tabs(cx, Some(3));
5173
5174 let item_a = add_labeled_item(&pane, "A", false, cx);
5175 assert_item_labels(&pane, ["A*"], cx);
5176
5177 let item_b = add_labeled_item(&pane, "B", false, cx);
5178 assert_item_labels(&pane, ["A", "B*"], cx);
5179
5180 let item_c = add_labeled_item(&pane, "C", false, cx);
5181 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5182
5183 pane.update_in(cx, |pane, window, cx| {
5184 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5185 pane.pin_tab_at(ix, window, cx);
5186 });
5187 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5188
5189 pane.update_in(cx, |pane, window, cx| {
5190 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5191 pane.pin_tab_at(ix, window, cx);
5192 });
5193 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5194
5195 pane.update_in(cx, |pane, window, cx| {
5196 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5197 pane.pin_tab_at(ix, window, cx);
5198 });
5199 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5200 }
5201
5202 #[gpui::test]
5203 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5204 init_test(cx);
5205 let fs = FakeFs::new(cx.executor());
5206
5207 let project = Project::test(fs, None, cx).await;
5208 let (workspace, cx) =
5209 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5210 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5211
5212 set_max_tabs(cx, Some(3));
5213
5214 let item_a = add_labeled_item(&pane, "A", false, cx);
5215 assert_item_labels(&pane, ["A*"], cx);
5216
5217 let item_b = add_labeled_item(&pane, "B", false, cx);
5218 assert_item_labels(&pane, ["A", "B*"], cx);
5219
5220 let item_c = add_labeled_item(&pane, "C", false, cx);
5221 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5222
5223 pane.update_in(cx, |pane, window, cx| {
5224 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5225 pane.pin_tab_at(ix, window, cx);
5226 });
5227 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5228
5229 pane.update_in(cx, |pane, window, cx| {
5230 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5231 pane.pin_tab_at(ix, window, cx);
5232 });
5233 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
5234
5235 pane.update_in(cx, |pane, window, cx| {
5236 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5237 pane.pin_tab_at(ix, window, cx);
5238 });
5239 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
5240 }
5241
5242 #[gpui::test]
5243 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
5244 init_test(cx);
5245 let fs = FakeFs::new(cx.executor());
5246
5247 let project = Project::test(fs, None, cx).await;
5248 let (workspace, cx) =
5249 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5250 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5251
5252 let item_a = add_labeled_item(&pane, "A", false, cx);
5253 pane.update_in(cx, |pane, window, cx| {
5254 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5255 pane.pin_tab_at(ix, window, cx);
5256 });
5257
5258 let item_b = add_labeled_item(&pane, "B", false, cx);
5259 pane.update_in(cx, |pane, window, cx| {
5260 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5261 pane.pin_tab_at(ix, window, cx);
5262 });
5263
5264 add_labeled_item(&pane, "C", false, cx);
5265 add_labeled_item(&pane, "D", false, cx);
5266 add_labeled_item(&pane, "E", false, cx);
5267 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5268
5269 set_max_tabs(cx, Some(3));
5270 add_labeled_item(&pane, "F", false, cx);
5271 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
5272
5273 add_labeled_item(&pane, "G", false, cx);
5274 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
5275
5276 add_labeled_item(&pane, "H", false, cx);
5277 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
5278 }
5279
5280 #[gpui::test]
5281 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
5282 cx: &mut TestAppContext,
5283 ) {
5284 init_test(cx);
5285 let fs = FakeFs::new(cx.executor());
5286
5287 let project = Project::test(fs, None, cx).await;
5288 let (workspace, cx) =
5289 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5290 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5291
5292 set_max_tabs(cx, Some(3));
5293
5294 let item_a = add_labeled_item(&pane, "A", false, cx);
5295 pane.update_in(cx, |pane, window, cx| {
5296 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5297 pane.pin_tab_at(ix, window, cx);
5298 });
5299
5300 let item_b = add_labeled_item(&pane, "B", false, cx);
5301 pane.update_in(cx, |pane, window, cx| {
5302 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5303 pane.pin_tab_at(ix, window, cx);
5304 });
5305
5306 let item_c = add_labeled_item(&pane, "C", false, cx);
5307 pane.update_in(cx, |pane, window, cx| {
5308 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5309 pane.pin_tab_at(ix, window, cx);
5310 });
5311
5312 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5313
5314 let item_d = add_labeled_item(&pane, "D", false, cx);
5315 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
5316
5317 pane.update_in(cx, |pane, window, cx| {
5318 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5319 pane.pin_tab_at(ix, window, cx);
5320 });
5321 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
5322
5323 add_labeled_item(&pane, "E", false, cx);
5324 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
5325
5326 add_labeled_item(&pane, "F", false, cx);
5327 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
5328 }
5329
5330 #[gpui::test]
5331 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
5332 init_test(cx);
5333 let fs = FakeFs::new(cx.executor());
5334
5335 let project = Project::test(fs, None, cx).await;
5336 let (workspace, cx) =
5337 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5338 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5339
5340 set_max_tabs(cx, Some(3));
5341
5342 add_labeled_item(&pane, "A", true, cx);
5343 assert_item_labels(&pane, ["A*^"], cx);
5344
5345 add_labeled_item(&pane, "B", true, cx);
5346 assert_item_labels(&pane, ["A^", "B*^"], cx);
5347
5348 add_labeled_item(&pane, "C", true, cx);
5349 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5350
5351 add_labeled_item(&pane, "D", false, cx);
5352 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
5353
5354 add_labeled_item(&pane, "E", false, cx);
5355 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
5356
5357 add_labeled_item(&pane, "F", false, cx);
5358 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
5359
5360 add_labeled_item(&pane, "G", true, cx);
5361 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
5362 }
5363
5364 #[gpui::test]
5365 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
5366 init_test(cx);
5367 let fs = FakeFs::new(cx.executor());
5368
5369 let project = Project::test(fs, None, cx).await;
5370 let (workspace, cx) =
5371 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5372 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5373
5374 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5375 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5376
5377 pane.update_in(cx, |pane, window, cx| {
5378 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5379 });
5380 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
5381
5382 pane.update_in(cx, |pane, window, cx| {
5383 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5384 });
5385 assert_item_labels(&pane, ["B*", "A", "C"], cx);
5386 }
5387
5388 #[gpui::test]
5389 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
5390 init_test(cx);
5391 let fs = FakeFs::new(cx.executor());
5392
5393 let project = Project::test(fs, None, cx).await;
5394 let (workspace, cx) =
5395 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5396 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5397
5398 // Unpin all, in an empty pane
5399 pane.update_in(cx, |pane, window, cx| {
5400 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5401 });
5402
5403 assert_item_labels(&pane, [], cx);
5404
5405 let item_a = add_labeled_item(&pane, "A", false, cx);
5406 let item_b = add_labeled_item(&pane, "B", false, cx);
5407 let item_c = add_labeled_item(&pane, "C", false, cx);
5408 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5409
5410 // Unpin all, when no tabs are pinned
5411 pane.update_in(cx, |pane, window, cx| {
5412 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5413 });
5414
5415 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5416
5417 // Pin inactive tabs only
5418 pane.update_in(cx, |pane, window, cx| {
5419 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5420 pane.pin_tab_at(ix, window, cx);
5421
5422 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5423 pane.pin_tab_at(ix, window, cx);
5424 });
5425 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5426
5427 pane.update_in(cx, |pane, window, cx| {
5428 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5429 });
5430
5431 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5432
5433 // Pin all tabs
5434 pane.update_in(cx, |pane, window, cx| {
5435 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5436 pane.pin_tab_at(ix, window, cx);
5437
5438 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5439 pane.pin_tab_at(ix, window, cx);
5440
5441 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5442 pane.pin_tab_at(ix, window, cx);
5443 });
5444 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5445
5446 // Activate middle tab
5447 pane.update_in(cx, |pane, window, cx| {
5448 pane.activate_item(1, false, false, window, cx);
5449 });
5450 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
5451
5452 pane.update_in(cx, |pane, window, cx| {
5453 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5454 });
5455
5456 // Order has not changed
5457 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5458 }
5459
5460 #[gpui::test]
5461 async fn test_separate_pinned_row_disabled_by_default(cx: &mut TestAppContext) {
5462 init_test(cx);
5463 let fs = FakeFs::new(cx.executor());
5464
5465 let project = Project::test(fs, None, cx).await;
5466 let (workspace, cx) =
5467 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5468 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5469
5470 let item_a = add_labeled_item(&pane, "A", false, cx);
5471 add_labeled_item(&pane, "B", false, cx);
5472 add_labeled_item(&pane, "C", false, cx);
5473
5474 // Pin one tab
5475 pane.update_in(cx, |pane, window, cx| {
5476 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5477 pane.pin_tab_at(ix, window, cx);
5478 });
5479 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5480
5481 // Verify setting is disabled by default
5482 let is_separate_row_enabled = pane.read_with(cx, |_, cx| {
5483 TabBarSettings::get_global(cx).show_pinned_tabs_in_separate_row
5484 });
5485 assert!(
5486 !is_separate_row_enabled,
5487 "Separate pinned row should be disabled by default"
5488 );
5489
5490 // Verify pinned_tabs_row element does NOT exist (single row layout)
5491 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5492 assert!(
5493 pinned_row_bounds.is_none(),
5494 "pinned_tabs_row should not exist when setting is disabled"
5495 );
5496 }
5497
5498 #[gpui::test]
5499 async fn test_separate_pinned_row_two_rows_when_both_tab_types_exist(cx: &mut TestAppContext) {
5500 init_test(cx);
5501 let fs = FakeFs::new(cx.executor());
5502
5503 let project = Project::test(fs, None, cx).await;
5504 let (workspace, cx) =
5505 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5506 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5507
5508 // Enable separate row setting
5509 set_pinned_tabs_separate_row(cx, true);
5510
5511 let item_a = add_labeled_item(&pane, "A", false, cx);
5512 add_labeled_item(&pane, "B", false, cx);
5513 add_labeled_item(&pane, "C", false, cx);
5514
5515 // Pin one tab - now we have both pinned and unpinned tabs
5516 pane.update_in(cx, |pane, window, cx| {
5517 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5518 pane.pin_tab_at(ix, window, cx);
5519 });
5520 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5521
5522 // Verify pinned_tabs_row element exists (two row layout)
5523 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5524 assert!(
5525 pinned_row_bounds.is_some(),
5526 "pinned_tabs_row should exist when setting is enabled and both tab types exist"
5527 );
5528 }
5529
5530 #[gpui::test]
5531 async fn test_separate_pinned_row_single_row_when_only_pinned_tabs(cx: &mut TestAppContext) {
5532 init_test(cx);
5533 let fs = FakeFs::new(cx.executor());
5534
5535 let project = Project::test(fs, None, cx).await;
5536 let (workspace, cx) =
5537 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5538 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5539
5540 // Enable separate row setting
5541 set_pinned_tabs_separate_row(cx, true);
5542
5543 let item_a = add_labeled_item(&pane, "A", false, cx);
5544 let item_b = add_labeled_item(&pane, "B", false, cx);
5545
5546 // Pin all tabs - only pinned tabs exist
5547 pane.update_in(cx, |pane, window, cx| {
5548 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5549 pane.pin_tab_at(ix, window, cx);
5550 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5551 pane.pin_tab_at(ix, window, cx);
5552 });
5553 assert_item_labels(&pane, ["A!", "B*!"], cx);
5554
5555 // Verify pinned_tabs_row does NOT exist (single row layout for pinned-only)
5556 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5557 assert!(
5558 pinned_row_bounds.is_none(),
5559 "pinned_tabs_row should not exist when only pinned tabs exist (uses single row)"
5560 );
5561 }
5562
5563 #[gpui::test]
5564 async fn test_separate_pinned_row_single_row_when_only_unpinned_tabs(cx: &mut TestAppContext) {
5565 init_test(cx);
5566 let fs = FakeFs::new(cx.executor());
5567
5568 let project = Project::test(fs, None, cx).await;
5569 let (workspace, cx) =
5570 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5571 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5572
5573 // Enable separate row setting
5574 set_pinned_tabs_separate_row(cx, true);
5575
5576 // Add only unpinned tabs
5577 add_labeled_item(&pane, "A", false, cx);
5578 add_labeled_item(&pane, "B", false, cx);
5579 add_labeled_item(&pane, "C", false, cx);
5580 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5581
5582 // Verify pinned_tabs_row does NOT exist (single row layout for unpinned-only)
5583 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5584 assert!(
5585 pinned_row_bounds.is_none(),
5586 "pinned_tabs_row should not exist when only unpinned tabs exist (uses single row)"
5587 );
5588 }
5589
5590 #[gpui::test]
5591 async fn test_separate_pinned_row_toggles_between_layouts(cx: &mut TestAppContext) {
5592 init_test(cx);
5593 let fs = FakeFs::new(cx.executor());
5594
5595 let project = Project::test(fs, None, cx).await;
5596 let (workspace, cx) =
5597 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5598 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5599
5600 let item_a = add_labeled_item(&pane, "A", false, cx);
5601 add_labeled_item(&pane, "B", false, cx);
5602
5603 // Pin one tab
5604 pane.update_in(cx, |pane, window, cx| {
5605 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5606 pane.pin_tab_at(ix, window, cx);
5607 });
5608
5609 // Initially disabled - single row
5610 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5611 assert!(
5612 pinned_row_bounds.is_none(),
5613 "Should be single row when disabled"
5614 );
5615
5616 // Enable - two rows
5617 set_pinned_tabs_separate_row(cx, true);
5618 cx.run_until_parked();
5619 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5620 assert!(
5621 pinned_row_bounds.is_some(),
5622 "Should be two rows when enabled"
5623 );
5624
5625 // Disable again - back to single row
5626 set_pinned_tabs_separate_row(cx, false);
5627 cx.run_until_parked();
5628 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5629 assert!(
5630 pinned_row_bounds.is_none(),
5631 "Should be single row when disabled again"
5632 );
5633 }
5634
5635 #[gpui::test]
5636 async fn test_separate_pinned_row_has_right_border(cx: &mut TestAppContext) {
5637 init_test(cx);
5638 let fs = FakeFs::new(cx.executor());
5639
5640 let project = Project::test(fs, None, cx).await;
5641 let (workspace, cx) =
5642 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5643 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5644
5645 // Enable separate row setting
5646 set_pinned_tabs_separate_row(cx, true);
5647
5648 let item_a = add_labeled_item(&pane, "A", false, cx);
5649 add_labeled_item(&pane, "B", false, cx);
5650 add_labeled_item(&pane, "C", false, cx);
5651
5652 // Pin one tab - now we have both pinned and unpinned tabs (two-row layout)
5653 pane.update_in(cx, |pane, window, cx| {
5654 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5655 pane.pin_tab_at(ix, window, cx);
5656 });
5657 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5658 cx.run_until_parked();
5659
5660 // Verify two-row layout is active
5661 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5662 assert!(
5663 pinned_row_bounds.is_some(),
5664 "Two-row layout should be active when both pinned and unpinned tabs exist"
5665 );
5666
5667 // Verify pinned_tabs_border element exists (the right border after pinned tabs)
5668 let border_bounds = cx.debug_bounds("pinned_tabs_border");
5669 assert!(
5670 border_bounds.is_some(),
5671 "pinned_tabs_border should exist in two-row layout to show right border"
5672 );
5673 }
5674
5675 #[gpui::test]
5676 async fn test_pinning_active_tab_without_position_change_maintains_focus(
5677 cx: &mut TestAppContext,
5678 ) {
5679 init_test(cx);
5680 let fs = FakeFs::new(cx.executor());
5681
5682 let project = Project::test(fs, None, cx).await;
5683 let (workspace, cx) =
5684 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5685 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5686
5687 // Add A
5688 let item_a = add_labeled_item(&pane, "A", false, cx);
5689 assert_item_labels(&pane, ["A*"], cx);
5690
5691 // Add B
5692 add_labeled_item(&pane, "B", false, cx);
5693 assert_item_labels(&pane, ["A", "B*"], cx);
5694
5695 // Activate A again
5696 pane.update_in(cx, |pane, window, cx| {
5697 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5698 pane.activate_item(ix, true, true, window, cx);
5699 });
5700 assert_item_labels(&pane, ["A*", "B"], cx);
5701
5702 // Pin A - remains active
5703 pane.update_in(cx, |pane, window, cx| {
5704 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5705 pane.pin_tab_at(ix, window, cx);
5706 });
5707 assert_item_labels(&pane, ["A*!", "B"], cx);
5708
5709 // Unpin A - remain active
5710 pane.update_in(cx, |pane, window, cx| {
5711 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5712 pane.unpin_tab_at(ix, window, cx);
5713 });
5714 assert_item_labels(&pane, ["A*", "B"], cx);
5715 }
5716
5717 #[gpui::test]
5718 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
5719 init_test(cx);
5720 let fs = FakeFs::new(cx.executor());
5721
5722 let project = Project::test(fs, None, cx).await;
5723 let (workspace, cx) =
5724 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5725 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5726
5727 // Add A, B, C
5728 add_labeled_item(&pane, "A", false, cx);
5729 add_labeled_item(&pane, "B", false, cx);
5730 let item_c = add_labeled_item(&pane, "C", false, cx);
5731 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5732
5733 // Pin C - moves to pinned area, remains active
5734 pane.update_in(cx, |pane, window, cx| {
5735 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5736 pane.pin_tab_at(ix, window, cx);
5737 });
5738 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5739
5740 // Unpin C - moves after pinned area, remains active
5741 pane.update_in(cx, |pane, window, cx| {
5742 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5743 pane.unpin_tab_at(ix, window, cx);
5744 });
5745 assert_item_labels(&pane, ["C*", "A", "B"], cx);
5746 }
5747
5748 #[gpui::test]
5749 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
5750 cx: &mut TestAppContext,
5751 ) {
5752 init_test(cx);
5753 let fs = FakeFs::new(cx.executor());
5754
5755 let project = Project::test(fs, None, cx).await;
5756 let (workspace, cx) =
5757 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5758 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5759
5760 // Add A, B
5761 let item_a = add_labeled_item(&pane, "A", false, cx);
5762 add_labeled_item(&pane, "B", false, cx);
5763 assert_item_labels(&pane, ["A", "B*"], cx);
5764
5765 // Pin A - already in pinned area, B remains active
5766 pane.update_in(cx, |pane, window, cx| {
5767 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5768 pane.pin_tab_at(ix, window, cx);
5769 });
5770 assert_item_labels(&pane, ["A!", "B*"], cx);
5771
5772 // Unpin A - stays in place, B remains active
5773 pane.update_in(cx, |pane, window, cx| {
5774 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5775 pane.unpin_tab_at(ix, window, cx);
5776 });
5777 assert_item_labels(&pane, ["A", "B*"], cx);
5778 }
5779
5780 #[gpui::test]
5781 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
5782 cx: &mut TestAppContext,
5783 ) {
5784 init_test(cx);
5785 let fs = FakeFs::new(cx.executor());
5786
5787 let project = Project::test(fs, None, cx).await;
5788 let (workspace, cx) =
5789 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5790 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5791
5792 // Add A, B, C
5793 add_labeled_item(&pane, "A", false, cx);
5794 let item_b = add_labeled_item(&pane, "B", false, cx);
5795 let item_c = add_labeled_item(&pane, "C", false, cx);
5796 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5797
5798 // Activate B
5799 pane.update_in(cx, |pane, window, cx| {
5800 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5801 pane.activate_item(ix, true, true, window, cx);
5802 });
5803 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5804
5805 // Pin C - moves to pinned area, B remains active
5806 pane.update_in(cx, |pane, window, cx| {
5807 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5808 pane.pin_tab_at(ix, window, cx);
5809 });
5810 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
5811
5812 // Unpin C - moves after pinned area, B remains active
5813 pane.update_in(cx, |pane, window, cx| {
5814 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5815 pane.unpin_tab_at(ix, window, cx);
5816 });
5817 assert_item_labels(&pane, ["C", "A", "B*"], cx);
5818 }
5819
5820 #[gpui::test]
5821 async fn test_handle_tab_drop_respects_is_pane_target(cx: &mut TestAppContext) {
5822 init_test(cx);
5823 let fs = FakeFs::new(cx.executor());
5824 let project = Project::test(fs, None, cx).await;
5825 let (workspace, cx) =
5826 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5827 let source_pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5828
5829 let item_a = add_labeled_item(&source_pane, "A", false, cx);
5830 let item_b = add_labeled_item(&source_pane, "B", false, cx);
5831
5832 let target_pane = workspace.update_in(cx, |workspace, window, cx| {
5833 workspace.split_pane(source_pane.clone(), SplitDirection::Right, window, cx)
5834 });
5835
5836 let custom_item = target_pane.update_in(cx, |pane, window, cx| {
5837 let custom_item = Box::new(cx.new(CustomDropHandlingItem::new));
5838 pane.add_item(custom_item.clone(), true, true, None, window, cx);
5839 custom_item
5840 });
5841
5842 let moved_item_id = item_a.item_id();
5843 let other_item_id = item_b.item_id();
5844 let custom_item_id = custom_item.item_id();
5845
5846 let pane_item_ids = |pane: &Entity<Pane>, cx: &mut VisualTestContext| {
5847 pane.read_with(cx, |pane, _| {
5848 pane.items().map(|item| item.item_id()).collect::<Vec<_>>()
5849 })
5850 };
5851
5852 let source_before_item_ids = pane_item_ids(&source_pane, cx);
5853 assert_eq!(source_before_item_ids, vec![moved_item_id, other_item_id]);
5854
5855 let target_before_item_ids = pane_item_ids(&target_pane, cx);
5856 assert_eq!(target_before_item_ids, vec![custom_item_id]);
5857
5858 let dragged_tab = DraggedTab {
5859 pane: source_pane.clone(),
5860 item: item_a.boxed_clone(),
5861 ix: 0,
5862 detail: 0,
5863 is_active: true,
5864 };
5865
5866 // Dropping item_a onto the target pane itself means the
5867 // custom item handles the drop and no tab move should occur
5868 target_pane.update_in(cx, |pane, window, cx| {
5869 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), true, window, cx);
5870 });
5871 cx.run_until_parked();
5872
5873 assert_eq!(
5874 custom_item.read_with(cx, |item, _| item.drop_call_count()),
5875 1
5876 );
5877 assert_eq!(pane_item_ids(&source_pane, cx), source_before_item_ids);
5878 assert_eq!(pane_item_ids(&target_pane, cx), target_before_item_ids);
5879
5880 // Dropping item_a onto the tab target means the custom handler
5881 // should be skipped and the pane's default tab drop behavior should run.
5882 target_pane.update_in(cx, |pane, window, cx| {
5883 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), false, window, cx);
5884 });
5885 cx.run_until_parked();
5886
5887 assert_eq!(
5888 custom_item.read_with(cx, |item, _| item.drop_call_count()),
5889 1
5890 );
5891 assert_eq!(pane_item_ids(&source_pane, cx), vec![other_item_id]);
5892
5893 let target_item_ids = pane_item_ids(&target_pane, cx);
5894 assert_eq!(target_item_ids, vec![moved_item_id, custom_item_id]);
5895 }
5896
5897 #[gpui::test]
5898 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
5899 cx: &mut TestAppContext,
5900 ) {
5901 init_test(cx);
5902 let fs = FakeFs::new(cx.executor());
5903
5904 let project = Project::test(fs, None, cx).await;
5905 let (workspace, cx) =
5906 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5907 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5908
5909 // Add A, B. Pin B. Activate A
5910 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5911 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5912
5913 pane_a.update_in(cx, |pane, window, cx| {
5914 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5915 pane.pin_tab_at(ix, window, cx);
5916
5917 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5918 pane.activate_item(ix, true, true, window, cx);
5919 });
5920
5921 // Drag A to create new split
5922 pane_a.update_in(cx, |pane, window, cx| {
5923 pane.drag_split_direction = Some(SplitDirection::Right);
5924
5925 let dragged_tab = DraggedTab {
5926 pane: pane_a.clone(),
5927 item: item_a.boxed_clone(),
5928 ix: 0,
5929 detail: 0,
5930 is_active: true,
5931 };
5932 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5933 });
5934
5935 // A should be moved to new pane. B should remain pinned, A should not be pinned
5936 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5937 let panes = workspace.panes();
5938 (panes[0].clone(), panes[1].clone())
5939 });
5940 assert_item_labels(&pane_a, ["B*!"], cx);
5941 assert_item_labels(&pane_b, ["A*"], cx);
5942 }
5943
5944 #[gpui::test]
5945 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
5946 init_test(cx);
5947 let fs = FakeFs::new(cx.executor());
5948
5949 let project = Project::test(fs, None, cx).await;
5950 let (workspace, cx) =
5951 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5952 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5953
5954 // Add A, B. Pin both. Activate A
5955 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5956 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5957
5958 pane_a.update_in(cx, |pane, window, cx| {
5959 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5960 pane.pin_tab_at(ix, window, cx);
5961
5962 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5963 pane.pin_tab_at(ix, window, cx);
5964
5965 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5966 pane.activate_item(ix, true, true, window, cx);
5967 });
5968 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
5969
5970 // Drag A to create new split
5971 pane_a.update_in(cx, |pane, window, cx| {
5972 pane.drag_split_direction = Some(SplitDirection::Right);
5973
5974 let dragged_tab = DraggedTab {
5975 pane: pane_a.clone(),
5976 item: item_a.boxed_clone(),
5977 ix: 0,
5978 detail: 0,
5979 is_active: true,
5980 };
5981 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5982 });
5983
5984 // A should be moved to new pane. Both A and B should still be pinned
5985 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5986 let panes = workspace.panes();
5987 (panes[0].clone(), panes[1].clone())
5988 });
5989 assert_item_labels(&pane_a, ["B*!"], cx);
5990 assert_item_labels(&pane_b, ["A*!"], cx);
5991 }
5992
5993 #[gpui::test]
5994 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
5995 init_test(cx);
5996 let fs = FakeFs::new(cx.executor());
5997
5998 let project = Project::test(fs, None, cx).await;
5999 let (workspace, cx) =
6000 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6001 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6002
6003 // Add A to pane A and pin
6004 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6005 pane_a.update_in(cx, |pane, window, cx| {
6006 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6007 pane.pin_tab_at(ix, window, cx);
6008 });
6009 assert_item_labels(&pane_a, ["A*!"], cx);
6010
6011 // Add B to pane B and pin
6012 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6013 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6014 });
6015 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6016 pane_b.update_in(cx, |pane, window, cx| {
6017 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6018 pane.pin_tab_at(ix, window, cx);
6019 });
6020 assert_item_labels(&pane_b, ["B*!"], cx);
6021
6022 // Move A from pane A to pane B's pinned region
6023 pane_b.update_in(cx, |pane, window, cx| {
6024 let dragged_tab = DraggedTab {
6025 pane: pane_a.clone(),
6026 item: item_a.boxed_clone(),
6027 ix: 0,
6028 detail: 0,
6029 is_active: true,
6030 };
6031 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6032 });
6033
6034 // A should stay pinned
6035 assert_item_labels(&pane_a, [], cx);
6036 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6037 }
6038
6039 #[gpui::test]
6040 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6041 init_test(cx);
6042 let fs = FakeFs::new(cx.executor());
6043
6044 let project = Project::test(fs, None, cx).await;
6045 let (workspace, cx) =
6046 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6047 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6048
6049 // Add A to pane A and pin
6050 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6051 pane_a.update_in(cx, |pane, window, cx| {
6052 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6053 pane.pin_tab_at(ix, window, cx);
6054 });
6055 assert_item_labels(&pane_a, ["A*!"], cx);
6056
6057 // Create pane B with pinned item B
6058 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6059 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6060 });
6061 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6062 assert_item_labels(&pane_b, ["B*"], cx);
6063
6064 pane_b.update_in(cx, |pane, window, cx| {
6065 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6066 pane.pin_tab_at(ix, window, cx);
6067 });
6068 assert_item_labels(&pane_b, ["B*!"], cx);
6069
6070 // Move A from pane A to pane B's unpinned region
6071 pane_b.update_in(cx, |pane, window, cx| {
6072 let dragged_tab = DraggedTab {
6073 pane: pane_a.clone(),
6074 item: item_a.boxed_clone(),
6075 ix: 0,
6076 detail: 0,
6077 is_active: true,
6078 };
6079 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6080 });
6081
6082 // A should become pinned
6083 assert_item_labels(&pane_a, [], cx);
6084 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6085 }
6086
6087 #[gpui::test]
6088 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
6089 cx: &mut TestAppContext,
6090 ) {
6091 init_test(cx);
6092 let fs = FakeFs::new(cx.executor());
6093
6094 let project = Project::test(fs, None, cx).await;
6095 let (workspace, cx) =
6096 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6097 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6098
6099 // Add A to pane A and pin
6100 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6101 pane_a.update_in(cx, |pane, window, cx| {
6102 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6103 pane.pin_tab_at(ix, window, cx);
6104 });
6105 assert_item_labels(&pane_a, ["A*!"], cx);
6106
6107 // Add B to pane B
6108 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6109 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6110 });
6111 add_labeled_item(&pane_b, "B", false, cx);
6112 assert_item_labels(&pane_b, ["B*"], cx);
6113
6114 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
6115 pane_b.update_in(cx, |pane, window, cx| {
6116 let dragged_tab = DraggedTab {
6117 pane: pane_a.clone(),
6118 item: item_a.boxed_clone(),
6119 ix: 0,
6120 detail: 0,
6121 is_active: true,
6122 };
6123 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6124 });
6125
6126 // A should stay pinned
6127 assert_item_labels(&pane_a, [], cx);
6128 assert_item_labels(&pane_b, ["A*!", "B"], cx);
6129 }
6130
6131 #[gpui::test]
6132 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
6133 cx: &mut TestAppContext,
6134 ) {
6135 init_test(cx);
6136 let fs = FakeFs::new(cx.executor());
6137
6138 let project = Project::test(fs, None, cx).await;
6139 let (workspace, cx) =
6140 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6141 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6142 set_max_tabs(cx, Some(2));
6143
6144 // Add A, B to pane A. Pin both
6145 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6146 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6147 pane_a.update_in(cx, |pane, window, cx| {
6148 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6149 pane.pin_tab_at(ix, window, cx);
6150
6151 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6152 pane.pin_tab_at(ix, window, cx);
6153 });
6154 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6155
6156 // Add C, D to pane B. Pin both
6157 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6158 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6159 });
6160 let item_c = add_labeled_item(&pane_b, "C", false, cx);
6161 let item_d = add_labeled_item(&pane_b, "D", false, cx);
6162 pane_b.update_in(cx, |pane, window, cx| {
6163 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6164 pane.pin_tab_at(ix, window, cx);
6165
6166 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
6167 pane.pin_tab_at(ix, window, cx);
6168 });
6169 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
6170
6171 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
6172 // as we allow 1 tab over max if the others are pinned or dirty
6173 add_labeled_item(&pane_b, "E", false, cx);
6174 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
6175
6176 // Drag pinned A from pane A to position 0 in pane B
6177 pane_b.update_in(cx, |pane, window, cx| {
6178 let dragged_tab = DraggedTab {
6179 pane: pane_a.clone(),
6180 item: item_a.boxed_clone(),
6181 ix: 0,
6182 detail: 0,
6183 is_active: true,
6184 };
6185 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6186 });
6187
6188 // E (unpinned) should be closed, leaving 3 pinned items
6189 assert_item_labels(&pane_a, ["B*!"], cx);
6190 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
6191 }
6192
6193 #[gpui::test]
6194 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
6195 init_test(cx);
6196 let fs = FakeFs::new(cx.executor());
6197
6198 let project = Project::test(fs, None, cx).await;
6199 let (workspace, cx) =
6200 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6201 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6202
6203 // Add A to pane A and pin it
6204 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6205 pane_a.update_in(cx, |pane, window, cx| {
6206 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6207 pane.pin_tab_at(ix, window, cx);
6208 });
6209 assert_item_labels(&pane_a, ["A*!"], cx);
6210
6211 // Drag pinned A to position 1 (directly to the right) in the same pane
6212 pane_a.update_in(cx, |pane, window, cx| {
6213 let dragged_tab = DraggedTab {
6214 pane: pane_a.clone(),
6215 item: item_a.boxed_clone(),
6216 ix: 0,
6217 detail: 0,
6218 is_active: true,
6219 };
6220 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6221 });
6222
6223 // A should still be pinned and active
6224 assert_item_labels(&pane_a, ["A*!"], cx);
6225 }
6226
6227 #[gpui::test]
6228 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
6229 cx: &mut TestAppContext,
6230 ) {
6231 init_test(cx);
6232 let fs = FakeFs::new(cx.executor());
6233
6234 let project = Project::test(fs, None, cx).await;
6235 let (workspace, cx) =
6236 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6237 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6238
6239 // Add A, B to pane A and pin both
6240 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6241 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6242 pane_a.update_in(cx, |pane, window, cx| {
6243 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6244 pane.pin_tab_at(ix, window, cx);
6245
6246 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6247 pane.pin_tab_at(ix, window, cx);
6248 });
6249 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6250
6251 // Drag pinned A right of B in the same pane
6252 pane_a.update_in(cx, |pane, window, cx| {
6253 let dragged_tab = DraggedTab {
6254 pane: pane_a.clone(),
6255 item: item_a.boxed_clone(),
6256 ix: 0,
6257 detail: 0,
6258 is_active: true,
6259 };
6260 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6261 });
6262
6263 // A stays pinned
6264 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
6265 }
6266
6267 #[gpui::test]
6268 async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
6269 cx: &mut TestAppContext,
6270 ) {
6271 init_test(cx);
6272 let fs = FakeFs::new(cx.executor());
6273
6274 let project = Project::test(fs, None, cx).await;
6275 let (workspace, cx) =
6276 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6277 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6278
6279 // Add A, B to pane A and pin A
6280 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6281 add_labeled_item(&pane_a, "B", false, cx);
6282 pane_a.update_in(cx, |pane, window, cx| {
6283 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6284 pane.pin_tab_at(ix, window, cx);
6285 });
6286 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6287
6288 // Drag pinned A on top of B in the same pane, which changes tab order to B, A
6289 pane_a.update_in(cx, |pane, window, cx| {
6290 let dragged_tab = DraggedTab {
6291 pane: pane_a.clone(),
6292 item: item_a.boxed_clone(),
6293 ix: 0,
6294 detail: 0,
6295 is_active: true,
6296 };
6297 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6298 });
6299
6300 // Neither are pinned
6301 assert_item_labels(&pane_a, ["B", "A*"], cx);
6302 }
6303
6304 #[gpui::test]
6305 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
6306 cx: &mut TestAppContext,
6307 ) {
6308 init_test(cx);
6309 let fs = FakeFs::new(cx.executor());
6310
6311 let project = Project::test(fs, None, cx).await;
6312 let (workspace, cx) =
6313 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6314 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6315
6316 // Add A, B to pane A and pin A
6317 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6318 add_labeled_item(&pane_a, "B", false, cx);
6319 pane_a.update_in(cx, |pane, window, cx| {
6320 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6321 pane.pin_tab_at(ix, window, cx);
6322 });
6323 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6324
6325 // Drag pinned A right of B in the same pane
6326 pane_a.update_in(cx, |pane, window, cx| {
6327 let dragged_tab = DraggedTab {
6328 pane: pane_a.clone(),
6329 item: item_a.boxed_clone(),
6330 ix: 0,
6331 detail: 0,
6332 is_active: true,
6333 };
6334 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6335 });
6336
6337 // A becomes unpinned
6338 assert_item_labels(&pane_a, ["B", "A*"], cx);
6339 }
6340
6341 #[gpui::test]
6342 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
6343 cx: &mut TestAppContext,
6344 ) {
6345 init_test(cx);
6346 let fs = FakeFs::new(cx.executor());
6347
6348 let project = Project::test(fs, None, cx).await;
6349 let (workspace, cx) =
6350 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6351 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6352
6353 // Add A, B to pane A and pin A
6354 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6355 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6356 pane_a.update_in(cx, |pane, window, cx| {
6357 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6358 pane.pin_tab_at(ix, window, cx);
6359 });
6360 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6361
6362 // Drag pinned B left of A in the same pane
6363 pane_a.update_in(cx, |pane, window, cx| {
6364 let dragged_tab = DraggedTab {
6365 pane: pane_a.clone(),
6366 item: item_b.boxed_clone(),
6367 ix: 1,
6368 detail: 0,
6369 is_active: true,
6370 };
6371 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6372 });
6373
6374 // A becomes unpinned
6375 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
6376 }
6377
6378 #[gpui::test]
6379 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
6380 init_test(cx);
6381 let fs = FakeFs::new(cx.executor());
6382
6383 let project = Project::test(fs, None, cx).await;
6384 let (workspace, cx) =
6385 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6386 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6387
6388 // Add A, B, C to pane A and pin A
6389 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6390 add_labeled_item(&pane_a, "B", false, cx);
6391 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6392 pane_a.update_in(cx, |pane, window, cx| {
6393 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6394 pane.pin_tab_at(ix, window, cx);
6395 });
6396 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
6397
6398 // Drag pinned C left of B in the same pane
6399 pane_a.update_in(cx, |pane, window, cx| {
6400 let dragged_tab = DraggedTab {
6401 pane: pane_a.clone(),
6402 item: item_c.boxed_clone(),
6403 ix: 2,
6404 detail: 0,
6405 is_active: true,
6406 };
6407 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6408 });
6409
6410 // A stays pinned, B and C remain unpinned
6411 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
6412 }
6413
6414 #[gpui::test]
6415 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6416 init_test(cx);
6417 let fs = FakeFs::new(cx.executor());
6418
6419 let project = Project::test(fs, None, cx).await;
6420 let (workspace, cx) =
6421 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6422 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6423
6424 // Add unpinned item A to pane A
6425 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6426 assert_item_labels(&pane_a, ["A*"], cx);
6427
6428 // Create pane B with pinned item B
6429 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6430 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6431 });
6432 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6433 pane_b.update_in(cx, |pane, window, cx| {
6434 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6435 pane.pin_tab_at(ix, window, cx);
6436 });
6437 assert_item_labels(&pane_b, ["B*!"], cx);
6438
6439 // Move A from pane A to pane B's pinned region
6440 pane_b.update_in(cx, |pane, window, cx| {
6441 let dragged_tab = DraggedTab {
6442 pane: pane_a.clone(),
6443 item: item_a.boxed_clone(),
6444 ix: 0,
6445 detail: 0,
6446 is_active: true,
6447 };
6448 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6449 });
6450
6451 // A should become pinned since it was dropped in the pinned region
6452 assert_item_labels(&pane_a, [], cx);
6453 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6454 }
6455
6456 #[gpui::test]
6457 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6458 init_test(cx);
6459 let fs = FakeFs::new(cx.executor());
6460
6461 let project = Project::test(fs, None, cx).await;
6462 let (workspace, cx) =
6463 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6464 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6465
6466 // Add unpinned item A to pane A
6467 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6468 assert_item_labels(&pane_a, ["A*"], cx);
6469
6470 // Create pane B with one pinned item B
6471 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6472 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6473 });
6474 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6475 pane_b.update_in(cx, |pane, window, cx| {
6476 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6477 pane.pin_tab_at(ix, window, cx);
6478 });
6479 assert_item_labels(&pane_b, ["B*!"], cx);
6480
6481 // Move A from pane A to pane B's unpinned region
6482 pane_b.update_in(cx, |pane, window, cx| {
6483 let dragged_tab = DraggedTab {
6484 pane: pane_a.clone(),
6485 item: item_a.boxed_clone(),
6486 ix: 0,
6487 detail: 0,
6488 is_active: true,
6489 };
6490 pane.handle_tab_drop(&dragged_tab, 1, true, window, cx);
6491 });
6492
6493 // A should remain unpinned since it was dropped outside the pinned region
6494 assert_item_labels(&pane_a, [], cx);
6495 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6496 }
6497
6498 #[gpui::test]
6499 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
6500 cx: &mut TestAppContext,
6501 ) {
6502 init_test(cx);
6503 let fs = FakeFs::new(cx.executor());
6504
6505 let project = Project::test(fs, None, cx).await;
6506 let (workspace, cx) =
6507 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6508 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6509
6510 // Add A, B, C and pin all
6511 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6512 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6513 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6514 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6515
6516 pane_a.update_in(cx, |pane, window, cx| {
6517 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6518 pane.pin_tab_at(ix, window, cx);
6519
6520 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6521 pane.pin_tab_at(ix, window, cx);
6522
6523 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6524 pane.pin_tab_at(ix, window, cx);
6525 });
6526 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
6527
6528 // Move A to right of B
6529 pane_a.update_in(cx, |pane, window, cx| {
6530 let dragged_tab = DraggedTab {
6531 pane: pane_a.clone(),
6532 item: item_a.boxed_clone(),
6533 ix: 0,
6534 detail: 0,
6535 is_active: true,
6536 };
6537 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6538 });
6539
6540 // A should be after B and all are pinned
6541 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6542
6543 // Move A to right of C
6544 pane_a.update_in(cx, |pane, window, cx| {
6545 let dragged_tab = DraggedTab {
6546 pane: pane_a.clone(),
6547 item: item_a.boxed_clone(),
6548 ix: 1,
6549 detail: 0,
6550 is_active: true,
6551 };
6552 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6553 });
6554
6555 // A should be after C and all are pinned
6556 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
6557
6558 // Move A to left of C
6559 pane_a.update_in(cx, |pane, window, cx| {
6560 let dragged_tab = DraggedTab {
6561 pane: pane_a.clone(),
6562 item: item_a.boxed_clone(),
6563 ix: 2,
6564 detail: 0,
6565 is_active: true,
6566 };
6567 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6568 });
6569
6570 // A should be before C and all are pinned
6571 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6572
6573 // Move A to left of B
6574 pane_a.update_in(cx, |pane, window, cx| {
6575 let dragged_tab = DraggedTab {
6576 pane: pane_a.clone(),
6577 item: item_a.boxed_clone(),
6578 ix: 1,
6579 detail: 0,
6580 is_active: true,
6581 };
6582 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6583 });
6584
6585 // A should be before B and all are pinned
6586 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
6587 }
6588
6589 #[gpui::test]
6590 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
6591 init_test(cx);
6592 let fs = FakeFs::new(cx.executor());
6593
6594 let project = Project::test(fs, None, cx).await;
6595 let (workspace, cx) =
6596 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6597 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6598
6599 // Add A, B, C
6600 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6601 add_labeled_item(&pane_a, "B", false, cx);
6602 add_labeled_item(&pane_a, "C", false, cx);
6603 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6604
6605 // Move A to the end
6606 pane_a.update_in(cx, |pane, window, cx| {
6607 let dragged_tab = DraggedTab {
6608 pane: pane_a.clone(),
6609 item: item_a.boxed_clone(),
6610 ix: 0,
6611 detail: 0,
6612 is_active: true,
6613 };
6614 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6615 });
6616
6617 // A should be at the end
6618 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
6619 }
6620
6621 #[gpui::test]
6622 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
6623 init_test(cx);
6624 let fs = FakeFs::new(cx.executor());
6625
6626 let project = Project::test(fs, None, cx).await;
6627 let (workspace, cx) =
6628 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6629 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6630
6631 // Add A, B, C
6632 add_labeled_item(&pane_a, "A", false, cx);
6633 add_labeled_item(&pane_a, "B", false, cx);
6634 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6635 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6636
6637 // Move C to the beginning
6638 pane_a.update_in(cx, |pane, window, cx| {
6639 let dragged_tab = DraggedTab {
6640 pane: pane_a.clone(),
6641 item: item_c.boxed_clone(),
6642 ix: 2,
6643 detail: 0,
6644 is_active: true,
6645 };
6646 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6647 });
6648
6649 // C should be at the beginning
6650 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
6651 }
6652
6653 #[gpui::test]
6654 async fn test_drag_tab_to_middle_tab_with_mouse_events(cx: &mut TestAppContext) {
6655 init_test(cx);
6656 let fs = FakeFs::new(cx.executor());
6657
6658 let project = Project::test(fs, None, cx).await;
6659 let (workspace, cx) =
6660 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6661 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6662
6663 add_labeled_item(&pane, "A", false, cx);
6664 add_labeled_item(&pane, "B", false, cx);
6665 add_labeled_item(&pane, "C", false, cx);
6666 add_labeled_item(&pane, "D", false, cx);
6667 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6668 cx.run_until_parked();
6669
6670 let tab_a_bounds = cx
6671 .debug_bounds("TAB-0")
6672 .expect("Tab A (index 0) should have debug bounds");
6673 let tab_c_bounds = cx
6674 .debug_bounds("TAB-2")
6675 .expect("Tab C (index 2) should have debug bounds");
6676
6677 cx.simulate_event(MouseDownEvent {
6678 position: tab_a_bounds.center(),
6679 button: MouseButton::Left,
6680 modifiers: Modifiers::default(),
6681 click_count: 1,
6682 first_mouse: false,
6683 });
6684 cx.run_until_parked();
6685 cx.simulate_event(MouseMoveEvent {
6686 position: tab_c_bounds.center(),
6687 pressed_button: Some(MouseButton::Left),
6688 modifiers: Modifiers::default(),
6689 });
6690 cx.run_until_parked();
6691 cx.simulate_event(MouseUpEvent {
6692 position: tab_c_bounds.center(),
6693 button: MouseButton::Left,
6694 modifiers: Modifiers::default(),
6695 click_count: 1,
6696 });
6697 cx.run_until_parked();
6698
6699 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6700 }
6701
6702 #[gpui::test]
6703 async fn test_drag_pinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6704 cx: &mut TestAppContext,
6705 ) {
6706 init_test(cx);
6707 set_pinned_tabs_separate_row(cx, true);
6708 let fs = FakeFs::new(cx.executor());
6709
6710 let project = Project::test(fs, None, cx).await;
6711 let (workspace, cx) =
6712 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6713 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6714
6715 let item_a = add_labeled_item(&pane, "A", false, cx);
6716 let item_b = add_labeled_item(&pane, "B", false, cx);
6717 let item_c = add_labeled_item(&pane, "C", false, cx);
6718 let item_d = add_labeled_item(&pane, "D", false, cx);
6719
6720 pane.update_in(cx, |pane, window, cx| {
6721 pane.pin_tab_at(
6722 pane.index_for_item_id(item_a.item_id()).unwrap(),
6723 window,
6724 cx,
6725 );
6726 pane.pin_tab_at(
6727 pane.index_for_item_id(item_b.item_id()).unwrap(),
6728 window,
6729 cx,
6730 );
6731 pane.pin_tab_at(
6732 pane.index_for_item_id(item_c.item_id()).unwrap(),
6733 window,
6734 cx,
6735 );
6736 pane.pin_tab_at(
6737 pane.index_for_item_id(item_d.item_id()).unwrap(),
6738 window,
6739 cx,
6740 );
6741 });
6742 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
6743 cx.run_until_parked();
6744
6745 let tab_a_bounds = cx
6746 .debug_bounds("TAB-0")
6747 .expect("Tab A (index 0) should have debug bounds");
6748 let tab_c_bounds = cx
6749 .debug_bounds("TAB-2")
6750 .expect("Tab C (index 2) should have debug bounds");
6751
6752 cx.simulate_event(MouseDownEvent {
6753 position: tab_a_bounds.center(),
6754 button: MouseButton::Left,
6755 modifiers: Modifiers::default(),
6756 click_count: 1,
6757 first_mouse: false,
6758 });
6759 cx.run_until_parked();
6760 cx.simulate_event(MouseMoveEvent {
6761 position: tab_c_bounds.center(),
6762 pressed_button: Some(MouseButton::Left),
6763 modifiers: Modifiers::default(),
6764 });
6765 cx.run_until_parked();
6766 cx.simulate_event(MouseUpEvent {
6767 position: tab_c_bounds.center(),
6768 button: MouseButton::Left,
6769 modifiers: Modifiers::default(),
6770 click_count: 1,
6771 });
6772 cx.run_until_parked();
6773
6774 assert_item_labels(&pane, ["B!", "C!", "A*!", "D!"], cx);
6775 }
6776
6777 #[gpui::test]
6778 async fn test_drag_unpinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6779 cx: &mut TestAppContext,
6780 ) {
6781 init_test(cx);
6782 set_pinned_tabs_separate_row(cx, true);
6783 let fs = FakeFs::new(cx.executor());
6784
6785 let project = Project::test(fs, None, cx).await;
6786 let (workspace, cx) =
6787 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6788 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6789
6790 add_labeled_item(&pane, "A", false, cx);
6791 add_labeled_item(&pane, "B", false, cx);
6792 add_labeled_item(&pane, "C", false, cx);
6793 add_labeled_item(&pane, "D", false, cx);
6794 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6795 cx.run_until_parked();
6796
6797 let tab_a_bounds = cx
6798 .debug_bounds("TAB-0")
6799 .expect("Tab A (index 0) should have debug bounds");
6800 let tab_c_bounds = cx
6801 .debug_bounds("TAB-2")
6802 .expect("Tab C (index 2) should have debug bounds");
6803
6804 cx.simulate_event(MouseDownEvent {
6805 position: tab_a_bounds.center(),
6806 button: MouseButton::Left,
6807 modifiers: Modifiers::default(),
6808 click_count: 1,
6809 first_mouse: false,
6810 });
6811 cx.run_until_parked();
6812 cx.simulate_event(MouseMoveEvent {
6813 position: tab_c_bounds.center(),
6814 pressed_button: Some(MouseButton::Left),
6815 modifiers: Modifiers::default(),
6816 });
6817 cx.run_until_parked();
6818 cx.simulate_event(MouseUpEvent {
6819 position: tab_c_bounds.center(),
6820 button: MouseButton::Left,
6821 modifiers: Modifiers::default(),
6822 click_count: 1,
6823 });
6824 cx.run_until_parked();
6825
6826 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6827 }
6828
6829 #[gpui::test]
6830 async fn test_drag_mixed_tabs_when_show_pinned_tabs_in_separate_row_enabled(
6831 cx: &mut TestAppContext,
6832 ) {
6833 init_test(cx);
6834 set_pinned_tabs_separate_row(cx, true);
6835 let fs = FakeFs::new(cx.executor());
6836
6837 let project = Project::test(fs, None, cx).await;
6838 let (workspace, cx) =
6839 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6840 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6841
6842 let item_a = add_labeled_item(&pane, "A", false, cx);
6843 let item_b = add_labeled_item(&pane, "B", false, cx);
6844 add_labeled_item(&pane, "C", false, cx);
6845 add_labeled_item(&pane, "D", false, cx);
6846 add_labeled_item(&pane, "E", false, cx);
6847 add_labeled_item(&pane, "F", false, cx);
6848
6849 pane.update_in(cx, |pane, window, cx| {
6850 pane.pin_tab_at(
6851 pane.index_for_item_id(item_a.item_id()).unwrap(),
6852 window,
6853 cx,
6854 );
6855 pane.pin_tab_at(
6856 pane.index_for_item_id(item_b.item_id()).unwrap(),
6857 window,
6858 cx,
6859 );
6860 });
6861 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E", "F*"], cx);
6862 cx.run_until_parked();
6863
6864 let tab_c_bounds = cx
6865 .debug_bounds("TAB-2")
6866 .expect("Tab C (index 2) should have debug bounds");
6867 let tab_e_bounds = cx
6868 .debug_bounds("TAB-4")
6869 .expect("Tab E (index 4) should have debug bounds");
6870
6871 cx.simulate_event(MouseDownEvent {
6872 position: tab_c_bounds.center(),
6873 button: MouseButton::Left,
6874 modifiers: Modifiers::default(),
6875 click_count: 1,
6876 first_mouse: false,
6877 });
6878 cx.run_until_parked();
6879 cx.simulate_event(MouseMoveEvent {
6880 position: tab_e_bounds.center(),
6881 pressed_button: Some(MouseButton::Left),
6882 modifiers: Modifiers::default(),
6883 });
6884 cx.run_until_parked();
6885 cx.simulate_event(MouseUpEvent {
6886 position: tab_e_bounds.center(),
6887 button: MouseButton::Left,
6888 modifiers: Modifiers::default(),
6889 click_count: 1,
6890 });
6891 cx.run_until_parked();
6892
6893 assert_item_labels(&pane, ["A!", "B!", "D", "E", "C*", "F"], cx);
6894 }
6895
6896 #[gpui::test]
6897 async fn test_middle_click_pinned_tab_does_not_close(cx: &mut TestAppContext) {
6898 init_test(cx);
6899 let fs = FakeFs::new(cx.executor());
6900
6901 let project = Project::test(fs, None, cx).await;
6902 let (workspace, cx) =
6903 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6904 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6905
6906 let item_a = add_labeled_item(&pane, "A", false, cx);
6907 add_labeled_item(&pane, "B", false, cx);
6908
6909 pane.update_in(cx, |pane, window, cx| {
6910 pane.pin_tab_at(
6911 pane.index_for_item_id(item_a.item_id()).unwrap(),
6912 window,
6913 cx,
6914 );
6915 });
6916 assert_item_labels(&pane, ["A!", "B*"], cx);
6917 cx.run_until_parked();
6918
6919 let tab_a_bounds = cx
6920 .debug_bounds("TAB-0")
6921 .expect("Tab A (index 1) should have debug bounds");
6922 let tab_b_bounds = cx
6923 .debug_bounds("TAB-1")
6924 .expect("Tab B (index 2) should have debug bounds");
6925
6926 cx.simulate_event(MouseDownEvent {
6927 position: tab_a_bounds.center(),
6928 button: MouseButton::Middle,
6929 modifiers: Modifiers::default(),
6930 click_count: 1,
6931 first_mouse: false,
6932 });
6933
6934 cx.run_until_parked();
6935
6936 cx.simulate_event(MouseUpEvent {
6937 position: tab_a_bounds.center(),
6938 button: MouseButton::Middle,
6939 modifiers: Modifiers::default(),
6940 click_count: 1,
6941 });
6942
6943 cx.run_until_parked();
6944
6945 cx.simulate_event(MouseDownEvent {
6946 position: tab_b_bounds.center(),
6947 button: MouseButton::Middle,
6948 modifiers: Modifiers::default(),
6949 click_count: 1,
6950 first_mouse: false,
6951 });
6952
6953 cx.run_until_parked();
6954
6955 cx.simulate_event(MouseUpEvent {
6956 position: tab_b_bounds.center(),
6957 button: MouseButton::Middle,
6958 modifiers: Modifiers::default(),
6959 click_count: 1,
6960 });
6961
6962 cx.run_until_parked();
6963
6964 assert_item_labels(&pane, ["A*!"], cx);
6965 }
6966
6967 #[gpui::test]
6968 async fn test_double_click_pinned_tab_bar_empty_space_creates_new_tab(cx: &mut TestAppContext) {
6969 init_test(cx);
6970 let fs = FakeFs::new(cx.executor());
6971
6972 let project = Project::test(fs, None, cx).await;
6973 let (workspace, cx) =
6974 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6975 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6976
6977 // The real NewFile handler lives in editor::init, which isn't initialized
6978 // in workspace tests. Register a global action handler that sets a flag so
6979 // we can verify the action is dispatched without depending on the editor crate.
6980 // TODO: If editor::init is ever available in workspace tests, remove this
6981 // flag and assert the resulting tab bar state directly instead.
6982 let new_file_dispatched = Rc::new(Cell::new(false));
6983 cx.update(|_, cx| {
6984 let new_file_dispatched = new_file_dispatched.clone();
6985 cx.on_action(move |_: &NewFile, _cx| {
6986 new_file_dispatched.set(true);
6987 });
6988 });
6989
6990 set_pinned_tabs_separate_row(cx, true);
6991
6992 let item_a = add_labeled_item(&pane, "A", false, cx);
6993 add_labeled_item(&pane, "B", false, cx);
6994
6995 pane.update_in(cx, |pane, window, cx| {
6996 let ix = pane
6997 .index_for_item_id(item_a.item_id())
6998 .expect("item A should exist");
6999 pane.pin_tab_at(ix, window, cx);
7000 });
7001 assert_item_labels(&pane, ["A!", "B*"], cx);
7002 cx.run_until_parked();
7003
7004 let pinned_drop_target_bounds = cx
7005 .debug_bounds("pinned_tabs_border")
7006 .expect("pinned_tabs_border should have debug bounds");
7007
7008 cx.simulate_event(MouseDownEvent {
7009 position: pinned_drop_target_bounds.center(),
7010 button: MouseButton::Left,
7011 modifiers: Modifiers::default(),
7012 click_count: 2,
7013 first_mouse: false,
7014 });
7015
7016 cx.run_until_parked();
7017
7018 cx.simulate_event(MouseUpEvent {
7019 position: pinned_drop_target_bounds.center(),
7020 button: MouseButton::Left,
7021 modifiers: Modifiers::default(),
7022 click_count: 2,
7023 });
7024
7025 cx.run_until_parked();
7026
7027 // TODO: If editor::init is ever available in workspace tests, replace this
7028 // with an assert_item_labels check that verifies a new tab is actually created.
7029 assert!(
7030 new_file_dispatched.get(),
7031 "Double-clicking pinned tab bar empty space should dispatch the new file action"
7032 );
7033 }
7034
7035 #[gpui::test]
7036 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
7037 init_test(cx);
7038 let fs = FakeFs::new(cx.executor());
7039
7040 let project = Project::test(fs, None, cx).await;
7041 let (workspace, cx) =
7042 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7043 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7044
7045 // 1. Add with a destination index
7046 // a. Add before the active item
7047 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7048 pane.update_in(cx, |pane, window, cx| {
7049 pane.add_item(
7050 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7051 false,
7052 false,
7053 Some(0),
7054 window,
7055 cx,
7056 );
7057 });
7058 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
7059
7060 // b. Add after the active item
7061 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7062 pane.update_in(cx, |pane, window, cx| {
7063 pane.add_item(
7064 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7065 false,
7066 false,
7067 Some(2),
7068 window,
7069 cx,
7070 );
7071 });
7072 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7073
7074 // c. Add at the end of the item list (including off the length)
7075 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7076 pane.update_in(cx, |pane, window, cx| {
7077 pane.add_item(
7078 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7079 false,
7080 false,
7081 Some(5),
7082 window,
7083 cx,
7084 );
7085 });
7086 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7087
7088 // 2. Add without a destination index
7089 // a. Add with active item at the start of the item list
7090 set_labeled_items(&pane, ["A*", "B", "C"], cx);
7091 pane.update_in(cx, |pane, window, cx| {
7092 pane.add_item(
7093 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7094 false,
7095 false,
7096 None,
7097 window,
7098 cx,
7099 );
7100 });
7101 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
7102
7103 // b. Add with active item at the end of the item list
7104 set_labeled_items(&pane, ["A", "B", "C*"], cx);
7105 pane.update_in(cx, |pane, window, cx| {
7106 pane.add_item(
7107 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7108 false,
7109 false,
7110 None,
7111 window,
7112 cx,
7113 );
7114 });
7115 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7116 }
7117
7118 #[gpui::test]
7119 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
7120 init_test(cx);
7121 let fs = FakeFs::new(cx.executor());
7122
7123 let project = Project::test(fs, None, cx).await;
7124 let (workspace, cx) =
7125 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7126 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7127
7128 // 1. Add with a destination index
7129 // 1a. Add before the active item
7130 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7131 pane.update_in(cx, |pane, window, cx| {
7132 pane.add_item(d, false, false, Some(0), window, cx);
7133 });
7134 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
7135
7136 // 1b. Add after the active item
7137 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7138 pane.update_in(cx, |pane, window, cx| {
7139 pane.add_item(d, false, false, Some(2), window, cx);
7140 });
7141 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7142
7143 // 1c. Add at the end of the item list (including off the length)
7144 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7145 pane.update_in(cx, |pane, window, cx| {
7146 pane.add_item(a, false, false, Some(5), window, cx);
7147 });
7148 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7149
7150 // 1d. Add same item to active index
7151 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7152 pane.update_in(cx, |pane, window, cx| {
7153 pane.add_item(b, false, false, Some(1), window, cx);
7154 });
7155 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7156
7157 // 1e. Add item to index after same item in last position
7158 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7159 pane.update_in(cx, |pane, window, cx| {
7160 pane.add_item(c, false, false, Some(2), window, cx);
7161 });
7162 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7163
7164 // 2. Add without a destination index
7165 // 2a. Add with active item at the start of the item list
7166 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
7167 pane.update_in(cx, |pane, window, cx| {
7168 pane.add_item(d, false, false, None, window, cx);
7169 });
7170 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
7171
7172 // 2b. Add with active item at the end of the item list
7173 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
7174 pane.update_in(cx, |pane, window, cx| {
7175 pane.add_item(a, false, false, None, window, cx);
7176 });
7177 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7178
7179 // 2c. Add active item to active item at end of list
7180 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
7181 pane.update_in(cx, |pane, window, cx| {
7182 pane.add_item(c, false, false, None, window, cx);
7183 });
7184 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7185
7186 // 2d. Add active item to active item at start of list
7187 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
7188 pane.update_in(cx, |pane, window, cx| {
7189 pane.add_item(a, false, false, None, window, cx);
7190 });
7191 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7192 }
7193
7194 #[gpui::test]
7195 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
7196 init_test(cx);
7197 let fs = FakeFs::new(cx.executor());
7198
7199 let project = Project::test(fs, None, cx).await;
7200 let (workspace, cx) =
7201 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7202 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7203
7204 // singleton view
7205 pane.update_in(cx, |pane, window, cx| {
7206 pane.add_item(
7207 Box::new(cx.new(|cx| {
7208 TestItem::new(cx)
7209 .with_buffer_kind(ItemBufferKind::Singleton)
7210 .with_label("buffer 1")
7211 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
7212 })),
7213 false,
7214 false,
7215 None,
7216 window,
7217 cx,
7218 );
7219 });
7220 assert_item_labels(&pane, ["buffer 1*"], cx);
7221
7222 // new singleton view with the same project entry
7223 pane.update_in(cx, |pane, window, cx| {
7224 pane.add_item(
7225 Box::new(cx.new(|cx| {
7226 TestItem::new(cx)
7227 .with_buffer_kind(ItemBufferKind::Singleton)
7228 .with_label("buffer 1")
7229 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7230 })),
7231 false,
7232 false,
7233 None,
7234 window,
7235 cx,
7236 );
7237 });
7238 assert_item_labels(&pane, ["buffer 1*"], cx);
7239
7240 // new singleton view with different project entry
7241 pane.update_in(cx, |pane, window, cx| {
7242 pane.add_item(
7243 Box::new(cx.new(|cx| {
7244 TestItem::new(cx)
7245 .with_buffer_kind(ItemBufferKind::Singleton)
7246 .with_label("buffer 2")
7247 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
7248 })),
7249 false,
7250 false,
7251 None,
7252 window,
7253 cx,
7254 );
7255 });
7256 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
7257
7258 // new multibuffer view with the same project entry
7259 pane.update_in(cx, |pane, window, cx| {
7260 pane.add_item(
7261 Box::new(cx.new(|cx| {
7262 TestItem::new(cx)
7263 .with_buffer_kind(ItemBufferKind::Multibuffer)
7264 .with_label("multibuffer 1")
7265 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7266 })),
7267 false,
7268 false,
7269 None,
7270 window,
7271 cx,
7272 );
7273 });
7274 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
7275
7276 // another multibuffer view with the same project entry
7277 pane.update_in(cx, |pane, window, cx| {
7278 pane.add_item(
7279 Box::new(cx.new(|cx| {
7280 TestItem::new(cx)
7281 .with_buffer_kind(ItemBufferKind::Multibuffer)
7282 .with_label("multibuffer 1b")
7283 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7284 })),
7285 false,
7286 false,
7287 None,
7288 window,
7289 cx,
7290 );
7291 });
7292 assert_item_labels(
7293 &pane,
7294 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
7295 cx,
7296 );
7297 }
7298
7299 #[gpui::test]
7300 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
7301 init_test(cx);
7302 let fs = FakeFs::new(cx.executor());
7303
7304 let project = Project::test(fs, None, cx).await;
7305 let (workspace, cx) =
7306 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7307 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7308
7309 add_labeled_item(&pane, "A", false, cx);
7310 add_labeled_item(&pane, "B", false, cx);
7311 add_labeled_item(&pane, "C", false, cx);
7312 add_labeled_item(&pane, "D", false, cx);
7313 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7314
7315 pane.update_in(cx, |pane, window, cx| {
7316 pane.activate_item(1, false, false, window, cx)
7317 });
7318 add_labeled_item(&pane, "1", false, cx);
7319 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7320
7321 pane.update_in(cx, |pane, window, cx| {
7322 pane.close_active_item(
7323 &CloseActiveItem {
7324 save_intent: None,
7325 close_pinned: false,
7326 },
7327 window,
7328 cx,
7329 )
7330 })
7331 .await
7332 .unwrap();
7333 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7334
7335 pane.update_in(cx, |pane, window, cx| {
7336 pane.activate_item(3, false, false, window, cx)
7337 });
7338 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7339
7340 pane.update_in(cx, |pane, window, cx| {
7341 pane.close_active_item(
7342 &CloseActiveItem {
7343 save_intent: None,
7344 close_pinned: false,
7345 },
7346 window,
7347 cx,
7348 )
7349 })
7350 .await
7351 .unwrap();
7352 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7353
7354 pane.update_in(cx, |pane, window, cx| {
7355 pane.close_active_item(
7356 &CloseActiveItem {
7357 save_intent: None,
7358 close_pinned: false,
7359 },
7360 window,
7361 cx,
7362 )
7363 })
7364 .await
7365 .unwrap();
7366 assert_item_labels(&pane, ["A", "C*"], 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*"], cx);
7381 }
7382
7383 #[gpui::test]
7384 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
7385 init_test(cx);
7386 cx.update_global::<SettingsStore, ()>(|s, cx| {
7387 s.update_user_settings(cx, |s| {
7388 s.tabs.get_or_insert_default().activate_on_close = Some(ActivateOnClose::Neighbour);
7389 });
7390 });
7391 let fs = FakeFs::new(cx.executor());
7392
7393 let project = Project::test(fs, None, cx).await;
7394 let (workspace, cx) =
7395 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7396 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7397
7398 add_labeled_item(&pane, "A", false, cx);
7399 add_labeled_item(&pane, "B", false, cx);
7400 add_labeled_item(&pane, "C", false, cx);
7401 add_labeled_item(&pane, "D", false, cx);
7402 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7403
7404 pane.update_in(cx, |pane, window, cx| {
7405 pane.activate_item(1, false, false, window, cx)
7406 });
7407 add_labeled_item(&pane, "1", false, cx);
7408 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7409
7410 pane.update_in(cx, |pane, window, cx| {
7411 pane.close_active_item(
7412 &CloseActiveItem {
7413 save_intent: None,
7414 close_pinned: false,
7415 },
7416 window,
7417 cx,
7418 )
7419 })
7420 .await
7421 .unwrap();
7422 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
7423
7424 pane.update_in(cx, |pane, window, cx| {
7425 pane.activate_item(3, false, false, window, cx)
7426 });
7427 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7428
7429 pane.update_in(cx, |pane, window, cx| {
7430 pane.close_active_item(
7431 &CloseActiveItem {
7432 save_intent: None,
7433 close_pinned: false,
7434 },
7435 window,
7436 cx,
7437 )
7438 })
7439 .await
7440 .unwrap();
7441 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7442
7443 pane.update_in(cx, |pane, window, cx| {
7444 pane.close_active_item(
7445 &CloseActiveItem {
7446 save_intent: None,
7447 close_pinned: false,
7448 },
7449 window,
7450 cx,
7451 )
7452 })
7453 .await
7454 .unwrap();
7455 assert_item_labels(&pane, ["A", "B*"], cx);
7456
7457 pane.update_in(cx, |pane, window, cx| {
7458 pane.close_active_item(
7459 &CloseActiveItem {
7460 save_intent: None,
7461 close_pinned: false,
7462 },
7463 window,
7464 cx,
7465 )
7466 })
7467 .await
7468 .unwrap();
7469 assert_item_labels(&pane, ["A*"], cx);
7470 }
7471
7472 #[gpui::test]
7473 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
7474 init_test(cx);
7475 cx.update_global::<SettingsStore, ()>(|s, cx| {
7476 s.update_user_settings(cx, |s| {
7477 s.tabs.get_or_insert_default().activate_on_close =
7478 Some(ActivateOnClose::LeftNeighbour);
7479 });
7480 });
7481 let fs = FakeFs::new(cx.executor());
7482
7483 let project = Project::test(fs, None, cx).await;
7484 let (workspace, cx) =
7485 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7486 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7487
7488 add_labeled_item(&pane, "A", false, cx);
7489 add_labeled_item(&pane, "B", false, cx);
7490 add_labeled_item(&pane, "C", false, cx);
7491 add_labeled_item(&pane, "D", false, cx);
7492 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7493
7494 pane.update_in(cx, |pane, window, cx| {
7495 pane.activate_item(1, false, false, window, cx)
7496 });
7497 add_labeled_item(&pane, "1", false, cx);
7498 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7499
7500 pane.update_in(cx, |pane, window, cx| {
7501 pane.close_active_item(
7502 &CloseActiveItem {
7503 save_intent: None,
7504 close_pinned: false,
7505 },
7506 window,
7507 cx,
7508 )
7509 })
7510 .await
7511 .unwrap();
7512 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7513
7514 pane.update_in(cx, |pane, window, cx| {
7515 pane.activate_item(3, false, false, window, cx)
7516 });
7517 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7518
7519 pane.update_in(cx, |pane, window, cx| {
7520 pane.close_active_item(
7521 &CloseActiveItem {
7522 save_intent: None,
7523 close_pinned: false,
7524 },
7525 window,
7526 cx,
7527 )
7528 })
7529 .await
7530 .unwrap();
7531 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7532
7533 pane.update_in(cx, |pane, window, cx| {
7534 pane.activate_item(0, false, false, window, cx)
7535 });
7536 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7537
7538 pane.update_in(cx, |pane, window, cx| {
7539 pane.close_active_item(
7540 &CloseActiveItem {
7541 save_intent: None,
7542 close_pinned: false,
7543 },
7544 window,
7545 cx,
7546 )
7547 })
7548 .await
7549 .unwrap();
7550 assert_item_labels(&pane, ["B*", "C"], cx);
7551
7552 pane.update_in(cx, |pane, window, cx| {
7553 pane.close_active_item(
7554 &CloseActiveItem {
7555 save_intent: None,
7556 close_pinned: false,
7557 },
7558 window,
7559 cx,
7560 )
7561 })
7562 .await
7563 .unwrap();
7564 assert_item_labels(&pane, ["C*"], cx);
7565 }
7566
7567 #[gpui::test]
7568 async fn test_close_inactive_items(cx: &mut TestAppContext) {
7569 init_test(cx);
7570 let fs = FakeFs::new(cx.executor());
7571
7572 let project = Project::test(fs, None, cx).await;
7573 let (workspace, cx) =
7574 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7575 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7576
7577 let item_a = add_labeled_item(&pane, "A", false, cx);
7578 pane.update_in(cx, |pane, window, cx| {
7579 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7580 pane.pin_tab_at(ix, window, cx);
7581 });
7582 assert_item_labels(&pane, ["A*!"], cx);
7583
7584 let item_b = add_labeled_item(&pane, "B", false, cx);
7585 pane.update_in(cx, |pane, window, cx| {
7586 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
7587 pane.pin_tab_at(ix, window, cx);
7588 });
7589 assert_item_labels(&pane, ["A!", "B*!"], cx);
7590
7591 add_labeled_item(&pane, "C", false, cx);
7592 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
7593
7594 add_labeled_item(&pane, "D", false, cx);
7595 add_labeled_item(&pane, "E", false, cx);
7596 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
7597
7598 pane.update_in(cx, |pane, window, cx| {
7599 pane.close_other_items(
7600 &CloseOtherItems {
7601 save_intent: None,
7602 close_pinned: false,
7603 },
7604 None,
7605 window,
7606 cx,
7607 )
7608 })
7609 .await
7610 .unwrap();
7611 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
7612 }
7613
7614 #[gpui::test]
7615 async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
7616 init_test(cx);
7617 let fs = FakeFs::new(cx.executor());
7618
7619 let project = Project::test(fs, None, cx).await;
7620 let (workspace, cx) =
7621 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7622 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7623
7624 add_labeled_item(&pane, "A", false, cx);
7625 assert_item_labels(&pane, ["A*"], cx);
7626
7627 let item_b = add_labeled_item(&pane, "B", false, cx);
7628 assert_item_labels(&pane, ["A", "B*"], cx);
7629
7630 add_labeled_item(&pane, "C", false, cx);
7631 add_labeled_item(&pane, "D", false, cx);
7632 add_labeled_item(&pane, "E", false, cx);
7633 assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
7634
7635 pane.update_in(cx, |pane, window, cx| {
7636 pane.close_other_items(
7637 &CloseOtherItems {
7638 save_intent: None,
7639 close_pinned: false,
7640 },
7641 Some(item_b.item_id()),
7642 window,
7643 cx,
7644 )
7645 })
7646 .await
7647 .unwrap();
7648 assert_item_labels(&pane, ["B*"], cx);
7649 }
7650
7651 #[gpui::test]
7652 async fn test_close_other_items_unpreviews_active_item(cx: &mut TestAppContext) {
7653 init_test(cx);
7654 let fs = FakeFs::new(cx.executor());
7655
7656 let project = Project::test(fs, None, cx).await;
7657 let (workspace, cx) =
7658 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7659 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7660
7661 add_labeled_item(&pane, "A", false, cx);
7662 add_labeled_item(&pane, "B", false, cx);
7663 let item_c = add_labeled_item(&pane, "C", false, cx);
7664 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7665
7666 pane.update(cx, |pane, cx| {
7667 pane.set_preview_item_id(Some(item_c.item_id()), cx);
7668 });
7669 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id()
7670 == Some(item_c.item_id())));
7671
7672 pane.update_in(cx, |pane, window, cx| {
7673 pane.close_other_items(
7674 &CloseOtherItems {
7675 save_intent: None,
7676 close_pinned: false,
7677 },
7678 Some(item_c.item_id()),
7679 window,
7680 cx,
7681 )
7682 })
7683 .await
7684 .unwrap();
7685
7686 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id().is_none()));
7687 assert_item_labels(&pane, ["C*"], cx);
7688 }
7689
7690 #[gpui::test]
7691 async fn test_close_clean_items(cx: &mut TestAppContext) {
7692 init_test(cx);
7693 let fs = FakeFs::new(cx.executor());
7694
7695 let project = Project::test(fs, None, cx).await;
7696 let (workspace, cx) =
7697 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7698 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7699
7700 add_labeled_item(&pane, "A", true, cx);
7701 add_labeled_item(&pane, "B", false, cx);
7702 add_labeled_item(&pane, "C", true, cx);
7703 add_labeled_item(&pane, "D", false, cx);
7704 add_labeled_item(&pane, "E", false, cx);
7705 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
7706
7707 pane.update_in(cx, |pane, window, cx| {
7708 pane.close_clean_items(
7709 &CloseCleanItems {
7710 close_pinned: false,
7711 },
7712 window,
7713 cx,
7714 )
7715 })
7716 .await
7717 .unwrap();
7718 assert_item_labels(&pane, ["A^", "C*^"], cx);
7719 }
7720
7721 #[gpui::test]
7722 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
7723 init_test(cx);
7724 let fs = FakeFs::new(cx.executor());
7725
7726 let project = Project::test(fs, None, cx).await;
7727 let (workspace, cx) =
7728 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7729 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7730
7731 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7732
7733 pane.update_in(cx, |pane, window, cx| {
7734 pane.close_items_to_the_left_by_id(
7735 None,
7736 &CloseItemsToTheLeft {
7737 close_pinned: false,
7738 },
7739 window,
7740 cx,
7741 )
7742 })
7743 .await
7744 .unwrap();
7745 assert_item_labels(&pane, ["C*", "D", "E"], cx);
7746 }
7747
7748 #[gpui::test]
7749 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
7750 init_test(cx);
7751 let fs = FakeFs::new(cx.executor());
7752
7753 let project = Project::test(fs, None, cx).await;
7754 let (workspace, cx) =
7755 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7756 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7757
7758 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7759
7760 pane.update_in(cx, |pane, window, cx| {
7761 pane.close_items_to_the_right_by_id(
7762 None,
7763 &CloseItemsToTheRight {
7764 close_pinned: false,
7765 },
7766 window,
7767 cx,
7768 )
7769 })
7770 .await
7771 .unwrap();
7772 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7773 }
7774
7775 #[gpui::test]
7776 async fn test_close_all_items(cx: &mut TestAppContext) {
7777 init_test(cx);
7778 let fs = FakeFs::new(cx.executor());
7779
7780 let project = Project::test(fs, None, cx).await;
7781 let (workspace, cx) =
7782 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7783 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7784
7785 let item_a = add_labeled_item(&pane, "A", false, cx);
7786 add_labeled_item(&pane, "B", false, cx);
7787 add_labeled_item(&pane, "C", false, cx);
7788 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7789
7790 pane.update_in(cx, |pane, window, cx| {
7791 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7792 pane.pin_tab_at(ix, window, cx);
7793 pane.close_all_items(
7794 &CloseAllItems {
7795 save_intent: None,
7796 close_pinned: false,
7797 },
7798 window,
7799 cx,
7800 )
7801 })
7802 .await
7803 .unwrap();
7804 assert_item_labels(&pane, ["A*!"], cx);
7805
7806 pane.update_in(cx, |pane, window, cx| {
7807 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7808 pane.unpin_tab_at(ix, window, cx);
7809 pane.close_all_items(
7810 &CloseAllItems {
7811 save_intent: None,
7812 close_pinned: false,
7813 },
7814 window,
7815 cx,
7816 )
7817 })
7818 .await
7819 .unwrap();
7820
7821 assert_item_labels(&pane, [], cx);
7822
7823 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7824 item.project_items
7825 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7826 });
7827 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7828 item.project_items
7829 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7830 });
7831 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7832 item.project_items
7833 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7834 });
7835 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7836
7837 let save = pane.update_in(cx, |pane, window, cx| {
7838 pane.close_all_items(
7839 &CloseAllItems {
7840 save_intent: None,
7841 close_pinned: false,
7842 },
7843 window,
7844 cx,
7845 )
7846 });
7847
7848 cx.executor().run_until_parked();
7849 cx.simulate_prompt_answer("Save all");
7850 save.await.unwrap();
7851 assert_item_labels(&pane, [], cx);
7852
7853 add_labeled_item(&pane, "A", true, cx);
7854 add_labeled_item(&pane, "B", true, cx);
7855 add_labeled_item(&pane, "C", true, cx);
7856 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7857 let save = pane.update_in(cx, |pane, window, cx| {
7858 pane.close_all_items(
7859 &CloseAllItems {
7860 save_intent: None,
7861 close_pinned: false,
7862 },
7863 window,
7864 cx,
7865 )
7866 });
7867
7868 cx.executor().run_until_parked();
7869 cx.simulate_prompt_answer("Discard all");
7870 save.await.unwrap();
7871 assert_item_labels(&pane, [], cx);
7872
7873 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7874 item.project_items
7875 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7876 });
7877 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7878 item.project_items
7879 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7880 });
7881 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7882 item.project_items
7883 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7884 });
7885 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7886
7887 let close_task = pane.update_in(cx, |pane, window, cx| {
7888 pane.close_all_items(
7889 &CloseAllItems {
7890 save_intent: None,
7891 close_pinned: false,
7892 },
7893 window,
7894 cx,
7895 )
7896 });
7897
7898 cx.executor().run_until_parked();
7899 cx.simulate_prompt_answer("Discard all");
7900 close_task.await.unwrap();
7901 assert_item_labels(&pane, [], cx);
7902
7903 add_labeled_item(&pane, "Clean1", false, cx);
7904 add_labeled_item(&pane, "Dirty", true, cx).update(cx, |item, cx| {
7905 item.project_items
7906 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7907 });
7908 add_labeled_item(&pane, "Clean2", false, cx);
7909 assert_item_labels(&pane, ["Clean1", "Dirty^", "Clean2*"], cx);
7910
7911 let close_task = pane.update_in(cx, |pane, window, cx| {
7912 pane.close_all_items(
7913 &CloseAllItems {
7914 save_intent: None,
7915 close_pinned: false,
7916 },
7917 window,
7918 cx,
7919 )
7920 });
7921
7922 cx.executor().run_until_parked();
7923 cx.simulate_prompt_answer("Cancel");
7924 close_task.await.unwrap();
7925 assert_item_labels(&pane, ["Dirty*^"], cx);
7926 }
7927
7928 #[gpui::test]
7929 async fn test_discard_all_reloads_from_disk(cx: &mut TestAppContext) {
7930 init_test(cx);
7931 let fs = FakeFs::new(cx.executor());
7932
7933 let project = Project::test(fs, None, cx).await;
7934 let (workspace, cx) =
7935 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7936 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7937
7938 let item_a = add_labeled_item(&pane, "A", true, cx);
7939 item_a.update(cx, |item, cx| {
7940 item.project_items
7941 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7942 });
7943 let item_b = add_labeled_item(&pane, "B", true, cx);
7944 item_b.update(cx, |item, cx| {
7945 item.project_items
7946 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7947 });
7948 assert_item_labels(&pane, ["A^", "B*^"], cx);
7949
7950 let close_task = pane.update_in(cx, |pane, window, cx| {
7951 pane.close_all_items(
7952 &CloseAllItems {
7953 save_intent: None,
7954 close_pinned: false,
7955 },
7956 window,
7957 cx,
7958 )
7959 });
7960
7961 cx.executor().run_until_parked();
7962 cx.simulate_prompt_answer("Discard all");
7963 close_task.await.unwrap();
7964 assert_item_labels(&pane, [], cx);
7965
7966 item_a.read_with(cx, |item, _| {
7967 assert_eq!(item.reload_count, 1, "item A should have been reloaded");
7968 assert!(
7969 !item.is_dirty,
7970 "item A should no longer be dirty after reload"
7971 );
7972 });
7973 item_b.read_with(cx, |item, _| {
7974 assert_eq!(item.reload_count, 1, "item B should have been reloaded");
7975 assert!(
7976 !item.is_dirty,
7977 "item B should no longer be dirty after reload"
7978 );
7979 });
7980 }
7981
7982 #[gpui::test]
7983 async fn test_dont_save_single_file_reloads_from_disk(cx: &mut TestAppContext) {
7984 init_test(cx);
7985 let fs = FakeFs::new(cx.executor());
7986
7987 let project = Project::test(fs, None, cx).await;
7988 let (workspace, cx) =
7989 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7990 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7991
7992 let item = add_labeled_item(&pane, "Dirty", true, cx);
7993 item.update(cx, |item, cx| {
7994 item.project_items
7995 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7996 });
7997 assert_item_labels(&pane, ["Dirty*^"], cx);
7998
7999 let close_task = pane.update_in(cx, |pane, window, cx| {
8000 pane.close_item_by_id(item.item_id(), SaveIntent::Close, window, cx)
8001 });
8002
8003 cx.executor().run_until_parked();
8004 cx.simulate_prompt_answer("Don't Save");
8005 close_task.await.unwrap();
8006 assert_item_labels(&pane, [], cx);
8007
8008 item.read_with(cx, |item, _| {
8009 assert_eq!(item.reload_count, 1, "item should have been reloaded");
8010 assert!(
8011 !item.is_dirty,
8012 "item should no longer be dirty after reload"
8013 );
8014 });
8015 }
8016
8017 #[gpui::test]
8018 async fn test_discard_does_not_reload_multibuffer(cx: &mut TestAppContext) {
8019 init_test(cx);
8020 let fs = FakeFs::new(cx.executor());
8021
8022 let project = Project::test(fs, None, cx).await;
8023 let (workspace, cx) =
8024 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8025 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8026
8027 let singleton_item = pane.update_in(cx, |pane, window, cx| {
8028 let item = Box::new(cx.new(|cx| {
8029 TestItem::new(cx)
8030 .with_label("Singleton")
8031 .with_dirty(true)
8032 .with_buffer_kind(ItemBufferKind::Singleton)
8033 }));
8034 pane.add_item(item.clone(), false, false, None, window, cx);
8035 item
8036 });
8037 singleton_item.update(cx, |item, cx| {
8038 item.project_items
8039 .push(TestProjectItem::new_dirty(1, "Singleton.txt", cx))
8040 });
8041
8042 let multi_item = pane.update_in(cx, |pane, window, cx| {
8043 let item = Box::new(cx.new(|cx| {
8044 TestItem::new(cx)
8045 .with_label("Multi")
8046 .with_dirty(true)
8047 .with_buffer_kind(ItemBufferKind::Multibuffer)
8048 }));
8049 pane.add_item(item.clone(), false, false, None, window, cx);
8050 item
8051 });
8052 multi_item.update(cx, |item, cx| {
8053 item.project_items
8054 .push(TestProjectItem::new_dirty(2, "Multi.txt", cx))
8055 });
8056
8057 let close_task = pane.update_in(cx, |pane, window, cx| {
8058 pane.close_all_items(
8059 &CloseAllItems {
8060 save_intent: None,
8061 close_pinned: false,
8062 },
8063 window,
8064 cx,
8065 )
8066 });
8067
8068 cx.executor().run_until_parked();
8069 cx.simulate_prompt_answer("Discard all");
8070 close_task.await.unwrap();
8071 assert_item_labels(&pane, [], cx);
8072
8073 singleton_item.read_with(cx, |item, _| {
8074 assert_eq!(item.reload_count, 1, "singleton should have been reloaded");
8075 assert!(
8076 !item.is_dirty,
8077 "singleton should no longer be dirty after reload"
8078 );
8079 });
8080 multi_item.read_with(cx, |item, _| {
8081 assert_eq!(
8082 item.reload_count, 0,
8083 "multibuffer should not have been reloaded"
8084 );
8085 });
8086 }
8087
8088 #[gpui::test]
8089 async fn test_close_multibuffer_items(cx: &mut TestAppContext) {
8090 init_test(cx);
8091 let fs = FakeFs::new(cx.executor());
8092
8093 let project = Project::test(fs, None, cx).await;
8094 let (workspace, cx) =
8095 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8096 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8097
8098 let add_labeled_item = |pane: &Entity<Pane>,
8099 label,
8100 is_dirty,
8101 kind: ItemBufferKind,
8102 cx: &mut VisualTestContext| {
8103 pane.update_in(cx, |pane, window, cx| {
8104 let labeled_item = Box::new(cx.new(|cx| {
8105 TestItem::new(cx)
8106 .with_label(label)
8107 .with_dirty(is_dirty)
8108 .with_buffer_kind(kind)
8109 }));
8110 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8111 labeled_item
8112 })
8113 };
8114
8115 let item_a = add_labeled_item(&pane, "A", false, ItemBufferKind::Multibuffer, cx);
8116 add_labeled_item(&pane, "B", false, ItemBufferKind::Multibuffer, cx);
8117 add_labeled_item(&pane, "C", false, ItemBufferKind::Singleton, cx);
8118 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8119
8120 pane.update_in(cx, |pane, window, cx| {
8121 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8122 pane.pin_tab_at(ix, window, cx);
8123 pane.close_multibuffer_items(
8124 &CloseMultibufferItems {
8125 save_intent: None,
8126 close_pinned: false,
8127 },
8128 window,
8129 cx,
8130 )
8131 })
8132 .await
8133 .unwrap();
8134 assert_item_labels(&pane, ["A!", "C*"], cx);
8135
8136 pane.update_in(cx, |pane, window, cx| {
8137 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8138 pane.unpin_tab_at(ix, window, cx);
8139 pane.close_multibuffer_items(
8140 &CloseMultibufferItems {
8141 save_intent: None,
8142 close_pinned: false,
8143 },
8144 window,
8145 cx,
8146 )
8147 })
8148 .await
8149 .unwrap();
8150
8151 assert_item_labels(&pane, ["C*"], cx);
8152
8153 add_labeled_item(&pane, "A", true, ItemBufferKind::Singleton, cx).update(cx, |item, cx| {
8154 item.project_items
8155 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
8156 });
8157 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8158 cx,
8159 |item, cx| {
8160 item.project_items
8161 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8162 },
8163 );
8164 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8165 cx,
8166 |item, cx| {
8167 item.project_items
8168 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8169 },
8170 );
8171 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8172
8173 let save = pane.update_in(cx, |pane, window, cx| {
8174 pane.close_multibuffer_items(
8175 &CloseMultibufferItems {
8176 save_intent: None,
8177 close_pinned: false,
8178 },
8179 window,
8180 cx,
8181 )
8182 });
8183
8184 cx.executor().run_until_parked();
8185 cx.simulate_prompt_answer("Save all");
8186 save.await.unwrap();
8187 assert_item_labels(&pane, ["C", "A*^"], cx);
8188
8189 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8190 cx,
8191 |item, cx| {
8192 item.project_items
8193 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8194 },
8195 );
8196 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8197 cx,
8198 |item, cx| {
8199 item.project_items
8200 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8201 },
8202 );
8203 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8204 let save = pane.update_in(cx, |pane, window, cx| {
8205 pane.close_multibuffer_items(
8206 &CloseMultibufferItems {
8207 save_intent: None,
8208 close_pinned: false,
8209 },
8210 window,
8211 cx,
8212 )
8213 });
8214
8215 cx.executor().run_until_parked();
8216 cx.simulate_prompt_answer("Discard all");
8217 save.await.unwrap();
8218 assert_item_labels(&pane, ["C", "A*^"], cx);
8219 }
8220
8221 #[gpui::test]
8222 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
8223 init_test(cx);
8224 let fs = FakeFs::new(cx.executor());
8225
8226 let project = Project::test(fs, None, cx).await;
8227 let (workspace, cx) =
8228 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8229 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8230
8231 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
8232 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
8233 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
8234
8235 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
8236 item.project_items.push(a.clone());
8237 item.project_items.push(b.clone());
8238 });
8239 add_labeled_item(&pane, "C", true, cx)
8240 .update(cx, |item, _| item.project_items.push(c.clone()));
8241 assert_item_labels(&pane, ["AB^", "C*^"], cx);
8242
8243 pane.update_in(cx, |pane, window, cx| {
8244 pane.close_all_items(
8245 &CloseAllItems {
8246 save_intent: Some(SaveIntent::Save),
8247 close_pinned: false,
8248 },
8249 window,
8250 cx,
8251 )
8252 })
8253 .await
8254 .unwrap();
8255
8256 assert_item_labels(&pane, [], cx);
8257 cx.update(|_, cx| {
8258 assert!(!a.read(cx).is_dirty);
8259 assert!(!b.read(cx).is_dirty);
8260 assert!(!c.read(cx).is_dirty);
8261 });
8262 }
8263
8264 #[gpui::test]
8265 async fn test_new_tab_scrolls_into_view_completely(cx: &mut TestAppContext) {
8266 // Arrange
8267 init_test(cx);
8268 let fs = FakeFs::new(cx.executor());
8269
8270 let project = Project::test(fs, None, cx).await;
8271 let (workspace, cx) =
8272 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8273 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8274
8275 cx.simulate_resize(size(px(300.), px(300.)));
8276
8277 add_labeled_item(&pane, "untitled", false, cx);
8278 add_labeled_item(&pane, "untitled", false, cx);
8279 add_labeled_item(&pane, "untitled", false, cx);
8280 add_labeled_item(&pane, "untitled", false, cx);
8281 // Act: this should trigger a scroll
8282 add_labeled_item(&pane, "untitled", false, cx);
8283 // Assert
8284 let tab_bar_scroll_handle =
8285 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8286 assert_eq!(tab_bar_scroll_handle.children_count(), 6);
8287 let tab_bounds = cx.debug_bounds("TAB-4").unwrap();
8288 let new_tab_button_bounds = cx.debug_bounds("ICON-Plus").unwrap();
8289 let scroll_bounds = tab_bar_scroll_handle.bounds();
8290 let scroll_offset = tab_bar_scroll_handle.offset();
8291 assert!(tab_bounds.right() <= scroll_bounds.right());
8292 // -39.5 is the magic number for this setup
8293 assert_eq!(scroll_offset.x, px(-39.5));
8294 assert!(
8295 !tab_bounds.intersects(&new_tab_button_bounds),
8296 "Tab should not overlap with the new tab button, if this is failing check if there's been a redesign!"
8297 );
8298 }
8299
8300 #[gpui::test]
8301 async fn test_pinned_tabs_scroll_to_item_uses_correct_index(cx: &mut TestAppContext) {
8302 init_test(cx);
8303 let fs = FakeFs::new(cx.executor());
8304
8305 let project = Project::test(fs, None, cx).await;
8306 let (workspace, cx) =
8307 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8308 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8309
8310 cx.simulate_resize(size(px(400.), px(300.)));
8311
8312 for label in ["A", "B", "C"] {
8313 add_labeled_item(&pane, label, false, cx);
8314 }
8315
8316 pane.update_in(cx, |pane, window, cx| {
8317 pane.pin_tab_at(0, window, cx);
8318 pane.pin_tab_at(1, window, cx);
8319 pane.pin_tab_at(2, window, cx);
8320 });
8321
8322 for label in ["D", "E", "F", "G", "H", "I", "J", "K"] {
8323 add_labeled_item(&pane, label, false, cx);
8324 }
8325
8326 assert_item_labels(
8327 &pane,
8328 ["A!", "B!", "C!", "D", "E", "F", "G", "H", "I", "J", "K*"],
8329 cx,
8330 );
8331
8332 cx.run_until_parked();
8333
8334 // Verify overflow exists (precondition for scroll test)
8335 let scroll_handle =
8336 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8337 assert!(
8338 scroll_handle.max_offset().x > px(0.),
8339 "Test requires tab overflow to verify scrolling. Increase tab count or reduce window width."
8340 );
8341
8342 // Activate a different tab first, then activate K
8343 // This ensures we're not just re-activating an already-active tab
8344 pane.update_in(cx, |pane, window, cx| {
8345 pane.activate_item(3, true, true, window, cx);
8346 });
8347 cx.run_until_parked();
8348
8349 pane.update_in(cx, |pane, window, cx| {
8350 pane.activate_item(10, true, true, window, cx);
8351 });
8352 cx.run_until_parked();
8353
8354 let scroll_handle =
8355 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8356 let k_tab_bounds = cx.debug_bounds("TAB-10").unwrap();
8357 let scroll_bounds = scroll_handle.bounds();
8358
8359 assert!(
8360 k_tab_bounds.left() >= scroll_bounds.left(),
8361 "Active tab K should be scrolled into view"
8362 );
8363 }
8364
8365 #[gpui::test]
8366 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
8367 init_test(cx);
8368 let fs = FakeFs::new(cx.executor());
8369
8370 let project = Project::test(fs, None, cx).await;
8371 let (workspace, cx) =
8372 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8373 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8374
8375 let item_a = add_labeled_item(&pane, "A", false, cx);
8376 add_labeled_item(&pane, "B", false, cx);
8377 add_labeled_item(&pane, "C", false, cx);
8378 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8379
8380 pane.update_in(cx, |pane, window, cx| {
8381 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8382 pane.pin_tab_at(ix, window, cx);
8383 pane.close_all_items(
8384 &CloseAllItems {
8385 save_intent: None,
8386 close_pinned: true,
8387 },
8388 window,
8389 cx,
8390 )
8391 })
8392 .await
8393 .unwrap();
8394 assert_item_labels(&pane, [], cx);
8395 }
8396
8397 #[gpui::test]
8398 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
8399 init_test(cx);
8400 let fs = FakeFs::new(cx.executor());
8401 let project = Project::test(fs, None, cx).await;
8402 let (workspace, cx) =
8403 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8404
8405 // Non-pinned tabs in same pane
8406 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8407 add_labeled_item(&pane, "A", false, cx);
8408 add_labeled_item(&pane, "B", false, cx);
8409 add_labeled_item(&pane, "C", false, cx);
8410 pane.update_in(cx, |pane, window, cx| {
8411 pane.pin_tab_at(0, window, cx);
8412 });
8413 set_labeled_items(&pane, ["A*", "B", "C"], cx);
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 .unwrap();
8424 });
8425 // Non-pinned tab should be active
8426 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
8427 }
8428
8429 #[gpui::test]
8430 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
8431 init_test(cx);
8432 let fs = FakeFs::new(cx.executor());
8433 let project = Project::test(fs, None, cx).await;
8434 let (workspace, cx) =
8435 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8436
8437 // No non-pinned tabs in same pane, non-pinned tabs in another pane
8438 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8439 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
8440 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
8441 });
8442 add_labeled_item(&pane1, "A", false, cx);
8443 pane1.update_in(cx, |pane, window, cx| {
8444 pane.pin_tab_at(0, window, cx);
8445 });
8446 set_labeled_items(&pane1, ["A*"], cx);
8447 add_labeled_item(&pane2, "B", false, cx);
8448 set_labeled_items(&pane2, ["B"], cx);
8449 pane1.update_in(cx, |pane, window, cx| {
8450 pane.close_active_item(
8451 &CloseActiveItem {
8452 save_intent: None,
8453 close_pinned: false,
8454 },
8455 window,
8456 cx,
8457 )
8458 .unwrap();
8459 });
8460 // Non-pinned tab of other pane should be active
8461 assert_item_labels(&pane2, ["B*"], cx);
8462 }
8463
8464 #[gpui::test]
8465 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
8466 init_test(cx);
8467 let fs = FakeFs::new(cx.executor());
8468 let project = Project::test(fs, None, cx).await;
8469 let (workspace, cx) =
8470 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8471
8472 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8473 assert_item_labels(&pane, [], cx);
8474
8475 pane.update_in(cx, |pane, window, cx| {
8476 pane.close_active_item(
8477 &CloseActiveItem {
8478 save_intent: None,
8479 close_pinned: false,
8480 },
8481 window,
8482 cx,
8483 )
8484 })
8485 .await
8486 .unwrap();
8487
8488 pane.update_in(cx, |pane, window, cx| {
8489 pane.close_other_items(
8490 &CloseOtherItems {
8491 save_intent: None,
8492 close_pinned: false,
8493 },
8494 None,
8495 window,
8496 cx,
8497 )
8498 })
8499 .await
8500 .unwrap();
8501
8502 pane.update_in(cx, |pane, window, cx| {
8503 pane.close_all_items(
8504 &CloseAllItems {
8505 save_intent: None,
8506 close_pinned: false,
8507 },
8508 window,
8509 cx,
8510 )
8511 })
8512 .await
8513 .unwrap();
8514
8515 pane.update_in(cx, |pane, window, cx| {
8516 pane.close_clean_items(
8517 &CloseCleanItems {
8518 close_pinned: false,
8519 },
8520 window,
8521 cx,
8522 )
8523 })
8524 .await
8525 .unwrap();
8526
8527 pane.update_in(cx, |pane, window, cx| {
8528 pane.close_items_to_the_right_by_id(
8529 None,
8530 &CloseItemsToTheRight {
8531 close_pinned: false,
8532 },
8533 window,
8534 cx,
8535 )
8536 })
8537 .await
8538 .unwrap();
8539
8540 pane.update_in(cx, |pane, window, cx| {
8541 pane.close_items_to_the_left_by_id(
8542 None,
8543 &CloseItemsToTheLeft {
8544 close_pinned: false,
8545 },
8546 window,
8547 cx,
8548 )
8549 })
8550 .await
8551 .unwrap();
8552 }
8553
8554 #[gpui::test]
8555 async fn test_item_swapping_actions(cx: &mut TestAppContext) {
8556 init_test(cx);
8557 let fs = FakeFs::new(cx.executor());
8558 let project = Project::test(fs, None, cx).await;
8559 let (workspace, cx) =
8560 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8561
8562 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8563 assert_item_labels(&pane, [], cx);
8564
8565 // Test that these actions do not panic
8566 pane.update_in(cx, |pane, window, cx| {
8567 pane.swap_item_right(&Default::default(), window, cx);
8568 });
8569
8570 pane.update_in(cx, |pane, window, cx| {
8571 pane.swap_item_left(&Default::default(), window, cx);
8572 });
8573
8574 add_labeled_item(&pane, "A", false, cx);
8575 add_labeled_item(&pane, "B", false, cx);
8576 add_labeled_item(&pane, "C", false, cx);
8577 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8578
8579 pane.update_in(cx, |pane, window, cx| {
8580 pane.swap_item_right(&Default::default(), window, cx);
8581 });
8582 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8583
8584 pane.update_in(cx, |pane, window, cx| {
8585 pane.swap_item_left(&Default::default(), window, cx);
8586 });
8587 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8588
8589 pane.update_in(cx, |pane, window, cx| {
8590 pane.swap_item_left(&Default::default(), window, cx);
8591 });
8592 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8593
8594 pane.update_in(cx, |pane, window, cx| {
8595 pane.swap_item_left(&Default::default(), window, cx);
8596 });
8597 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8598
8599 pane.update_in(cx, |pane, window, cx| {
8600 pane.swap_item_right(&Default::default(), window, cx);
8601 });
8602 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8603 }
8604
8605 #[gpui::test]
8606 async fn test_split_empty(cx: &mut TestAppContext) {
8607 for split_direction in SplitDirection::all() {
8608 test_single_pane_split(["A"], split_direction, SplitMode::EmptyPane, cx).await;
8609 }
8610 }
8611
8612 #[gpui::test]
8613 async fn test_split_clone(cx: &mut TestAppContext) {
8614 for split_direction in SplitDirection::all() {
8615 test_single_pane_split(["A"], split_direction, SplitMode::ClonePane, cx).await;
8616 }
8617 }
8618
8619 #[gpui::test]
8620 async fn test_split_move_right_on_single_pane(cx: &mut TestAppContext) {
8621 test_single_pane_split(["A"], SplitDirection::Right, SplitMode::MovePane, cx).await;
8622 }
8623
8624 #[gpui::test]
8625 async fn test_split_move(cx: &mut TestAppContext) {
8626 for split_direction in SplitDirection::all() {
8627 test_single_pane_split(["A", "B"], split_direction, SplitMode::MovePane, cx).await;
8628 }
8629 }
8630
8631 #[gpui::test]
8632 async fn test_reopening_closed_item_after_unpreview(cx: &mut TestAppContext) {
8633 init_test(cx);
8634
8635 cx.update_global::<SettingsStore, ()>(|store, cx| {
8636 store.update_user_settings(cx, |settings| {
8637 settings.preview_tabs.get_or_insert_default().enabled = Some(true);
8638 });
8639 });
8640
8641 let fs = FakeFs::new(cx.executor());
8642 let project = Project::test(fs, None, cx).await;
8643 let (workspace, cx) =
8644 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8645 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8646
8647 // Add an item as preview
8648 let item = pane.update_in(cx, |pane, window, cx| {
8649 let item = Box::new(cx.new(|cx| TestItem::new(cx).with_label("A")));
8650 pane.add_item(item.clone(), true, true, None, window, cx);
8651 pane.set_preview_item_id(Some(item.item_id()), cx);
8652 item
8653 });
8654
8655 // Verify item is preview
8656 pane.read_with(cx, |pane, _| {
8657 assert_eq!(pane.preview_item_id(), Some(item.item_id()));
8658 });
8659
8660 // Unpreview the item
8661 pane.update_in(cx, |pane, _window, _cx| {
8662 pane.unpreview_item_if_preview(item.item_id());
8663 });
8664
8665 // Verify item is no longer preview
8666 pane.read_with(cx, |pane, _| {
8667 assert_eq!(pane.preview_item_id(), None);
8668 });
8669
8670 // Close the item
8671 pane.update_in(cx, |pane, window, cx| {
8672 pane.close_item_by_id(item.item_id(), SaveIntent::Skip, window, cx)
8673 .detach_and_log_err(cx);
8674 });
8675
8676 cx.run_until_parked();
8677
8678 // The item should be in the closed_stack and reopenable
8679 let has_closed_items = pane.read_with(cx, |pane, _| {
8680 !pane.nav_history.0.lock().closed_stack.is_empty()
8681 });
8682 assert!(
8683 has_closed_items,
8684 "closed item should be in closed_stack and reopenable"
8685 );
8686 }
8687
8688 #[gpui::test]
8689 async fn test_activate_item_with_wrap_around(cx: &mut TestAppContext) {
8690 init_test(cx);
8691 let fs = FakeFs::new(cx.executor());
8692 let project = Project::test(fs, None, cx).await;
8693 let (workspace, cx) =
8694 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8695 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8696
8697 add_labeled_item(&pane, "A", false, cx);
8698 add_labeled_item(&pane, "B", false, cx);
8699 add_labeled_item(&pane, "C", false, cx);
8700 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8701
8702 pane.update_in(cx, |pane, window, cx| {
8703 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8704 });
8705 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8706
8707 pane.update_in(cx, |pane, window, cx| {
8708 pane.activate_next_item(&ActivateNextItem::default(), window, cx);
8709 });
8710 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8711
8712 pane.update_in(cx, |pane, window, cx| {
8713 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8714 });
8715 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8716
8717 pane.update_in(cx, |pane, window, cx| {
8718 pane.activate_previous_item(&ActivatePreviousItem::default(), window, cx);
8719 });
8720 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8721
8722 pane.update_in(cx, |pane, window, cx| {
8723 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8724 });
8725 assert_item_labels(&pane, ["A", "B*", "C"], cx);
8726
8727 pane.update_in(cx, |pane, window, cx| {
8728 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8729 });
8730 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8731 }
8732
8733 fn init_test(cx: &mut TestAppContext) {
8734 cx.update(|cx| {
8735 let settings_store = SettingsStore::test(cx);
8736 cx.set_global(settings_store);
8737 theme_settings::init(LoadThemes::JustBase, cx);
8738 });
8739 }
8740
8741 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
8742 cx.update_global(|store: &mut SettingsStore, cx| {
8743 store.update_user_settings(cx, |settings| {
8744 settings.workspace.max_tabs = value.map(|v| NonZero::new(v).unwrap())
8745 });
8746 });
8747 }
8748
8749 fn set_pinned_tabs_separate_row(cx: &mut TestAppContext, enabled: bool) {
8750 cx.update_global(|store: &mut SettingsStore, cx| {
8751 store.update_user_settings(cx, |settings| {
8752 settings
8753 .tab_bar
8754 .get_or_insert_default()
8755 .show_pinned_tabs_in_separate_row = Some(enabled);
8756 });
8757 });
8758 }
8759
8760 fn add_labeled_item(
8761 pane: &Entity<Pane>,
8762 label: &str,
8763 is_dirty: bool,
8764 cx: &mut VisualTestContext,
8765 ) -> Box<Entity<TestItem>> {
8766 pane.update_in(cx, |pane, window, cx| {
8767 let labeled_item =
8768 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
8769 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8770 labeled_item
8771 })
8772 }
8773
8774 fn set_labeled_items<const COUNT: usize>(
8775 pane: &Entity<Pane>,
8776 labels: [&str; COUNT],
8777 cx: &mut VisualTestContext,
8778 ) -> [Box<Entity<TestItem>>; COUNT] {
8779 pane.update_in(cx, |pane, window, cx| {
8780 pane.items.clear();
8781 let mut active_item_index = 0;
8782
8783 let mut index = 0;
8784 let items = labels.map(|mut label| {
8785 if label.ends_with('*') {
8786 label = label.trim_end_matches('*');
8787 active_item_index = index;
8788 }
8789
8790 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
8791 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8792 index += 1;
8793 labeled_item
8794 });
8795
8796 pane.activate_item(active_item_index, false, false, window, cx);
8797
8798 items
8799 })
8800 }
8801
8802 // Assert the item label, with the active item label suffixed with a '*'
8803 #[track_caller]
8804 fn assert_item_labels<const COUNT: usize>(
8805 pane: &Entity<Pane>,
8806 expected_states: [&str; COUNT],
8807 cx: &mut VisualTestContext,
8808 ) {
8809 let actual_states = pane.update(cx, |pane, cx| {
8810 pane.items
8811 .iter()
8812 .enumerate()
8813 .map(|(ix, item)| {
8814 let mut state = item
8815 .to_any_view()
8816 .downcast::<TestItem>()
8817 .unwrap()
8818 .read(cx)
8819 .label
8820 .clone();
8821 if ix == pane.active_item_index {
8822 state.push('*');
8823 }
8824 if item.is_dirty(cx) {
8825 state.push('^');
8826 }
8827 if pane.is_tab_pinned(ix) {
8828 state.push('!');
8829 }
8830 state
8831 })
8832 .collect::<Vec<_>>()
8833 });
8834 assert_eq!(
8835 actual_states, expected_states,
8836 "pane items do not match expectation"
8837 );
8838 }
8839
8840 // Assert the item label, with the active item label expected active index
8841 #[track_caller]
8842 fn assert_item_labels_active_index(
8843 pane: &Entity<Pane>,
8844 expected_states: &[&str],
8845 expected_active_idx: usize,
8846 cx: &mut VisualTestContext,
8847 ) {
8848 let actual_states = pane.update(cx, |pane, cx| {
8849 pane.items
8850 .iter()
8851 .enumerate()
8852 .map(|(ix, item)| {
8853 let mut state = item
8854 .to_any_view()
8855 .downcast::<TestItem>()
8856 .unwrap()
8857 .read(cx)
8858 .label
8859 .clone();
8860 if ix == pane.active_item_index {
8861 assert_eq!(ix, expected_active_idx);
8862 }
8863 if item.is_dirty(cx) {
8864 state.push('^');
8865 }
8866 if pane.is_tab_pinned(ix) {
8867 state.push('!');
8868 }
8869 state
8870 })
8871 .collect::<Vec<_>>()
8872 });
8873 assert_eq!(
8874 actual_states, expected_states,
8875 "pane items do not match expectation"
8876 );
8877 }
8878
8879 #[track_caller]
8880 fn assert_pane_ids_on_axis<const COUNT: usize>(
8881 workspace: &Entity<Workspace>,
8882 expected_ids: [&EntityId; COUNT],
8883 expected_axis: Axis,
8884 cx: &mut VisualTestContext,
8885 ) {
8886 workspace.read_with(cx, |workspace, _| match &workspace.center.root {
8887 Member::Axis(axis) => {
8888 assert_eq!(axis.axis, expected_axis);
8889 assert_eq!(axis.members.len(), expected_ids.len());
8890 assert!(
8891 zip(expected_ids, &axis.members).all(|(e, a)| {
8892 if let Member::Pane(p) = a {
8893 p.entity_id() == *e
8894 } else {
8895 false
8896 }
8897 }),
8898 "pane ids do not match expectation: {expected_ids:?} != {actual_ids:?}",
8899 actual_ids = axis.members
8900 );
8901 }
8902 Member::Pane(_) => panic!("expected axis"),
8903 });
8904 }
8905
8906 async fn test_single_pane_split<const COUNT: usize>(
8907 pane_labels: [&str; COUNT],
8908 direction: SplitDirection,
8909 operation: SplitMode,
8910 cx: &mut TestAppContext,
8911 ) {
8912 init_test(cx);
8913 let fs = FakeFs::new(cx.executor());
8914 let project = Project::test(fs, None, cx).await;
8915 let (workspace, cx) =
8916 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8917
8918 let mut pane_before =
8919 workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8920 for label in pane_labels {
8921 add_labeled_item(&pane_before, label, false, cx);
8922 }
8923 pane_before.update_in(cx, |pane, window, cx| {
8924 pane.split(direction, operation, window, cx)
8925 });
8926 cx.executor().run_until_parked();
8927 let pane_after = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8928
8929 let num_labels = pane_labels.len();
8930 let last_as_active = format!("{}*", String::from(pane_labels[num_labels - 1]));
8931
8932 // check labels for all split operations
8933 match operation {
8934 SplitMode::EmptyPane => {
8935 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8936 assert_item_labels(&pane_after, [], cx);
8937 }
8938 SplitMode::ClonePane => {
8939 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8940 assert_item_labels(&pane_after, [&last_as_active], cx);
8941 }
8942 SplitMode::MovePane => {
8943 let head = &pane_labels[..(num_labels - 1)];
8944 if num_labels == 1 {
8945 // We special-case this behavior and actually execute an empty pane command
8946 // followed by a refocus of the old pane for this case.
8947 pane_before = workspace.read_with(cx, |workspace, _cx| {
8948 workspace
8949 .panes()
8950 .into_iter()
8951 .find(|pane| *pane != &pane_after)
8952 .unwrap()
8953 .clone()
8954 });
8955 };
8956
8957 assert_item_labels_active_index(
8958 &pane_before,
8959 &head,
8960 head.len().saturating_sub(1),
8961 cx,
8962 );
8963 assert_item_labels(&pane_after, [&last_as_active], cx);
8964 pane_after.update_in(cx, |pane, window, cx| {
8965 window.focused(cx).is_some_and(|focus_handle| {
8966 focus_handle == pane.active_item().unwrap().item_focus_handle(cx)
8967 })
8968 });
8969 }
8970 }
8971
8972 // expected axis depends on split direction
8973 let expected_axis = match direction {
8974 SplitDirection::Right | SplitDirection::Left => Axis::Horizontal,
8975 SplitDirection::Up | SplitDirection::Down => Axis::Vertical,
8976 };
8977
8978 // expected ids depends on split direction
8979 let expected_ids = match direction {
8980 SplitDirection::Right | SplitDirection::Down => {
8981 [&pane_before.entity_id(), &pane_after.entity_id()]
8982 }
8983 SplitDirection::Left | SplitDirection::Up => {
8984 [&pane_after.entity_id(), &pane_before.entity_id()]
8985 }
8986 };
8987
8988 // check pane axes for all operations
8989 match operation {
8990 SplitMode::EmptyPane | SplitMode::ClonePane => {
8991 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8992 }
8993 SplitMode::MovePane => {
8994 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8995 }
8996 }
8997 }
8998}