1use crate::{
2 CloseWindow, NewFile, NewTerminal, OpenInTerminal, OpenOptions, OpenTerminal, OpenVisible,
3 SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom, Workspace,
4 WorkspaceItemBuilder,
5 item::{
6 ActivateOnClose, ClosePosition, Item, ItemHandle, ItemSettings, PreviewTabsSettings,
7 ProjectItemKind, SaveOptions, ShowCloseButton, ShowDiagnostics, TabContentParams,
8 TabTooltipContent, WeakItemHandle,
9 },
10 move_item,
11 notifications::NotifyResultExt,
12 toolbar::Toolbar,
13 workspace_settings::{AutosaveSetting, TabBarSettings, WorkspaceSettings},
14};
15use anyhow::Result;
16use collections::{BTreeSet, HashMap, HashSet, VecDeque};
17use futures::{StreamExt, stream::FuturesUnordered};
18use gpui::{
19 Action, AnyElement, App, AsyncWindowContext, ClickEvent, ClipboardItem, Context, Corner, Div,
20 DragMoveEvent, Entity, EntityId, EventEmitter, ExternalPaths, FocusHandle, FocusOutEvent,
21 Focusable, KeyContext, MouseButton, MouseDownEvent, NavigationDirection, Pixels, Point,
22 PromptLevel, Render, ScrollHandle, Subscription, Task, WeakEntity, WeakFocusHandle, Window,
23 actions, anchored, deferred, prelude::*,
24};
25use itertools::Itertools;
26use language::DiagnosticSeverity;
27use parking_lot::Mutex;
28use project::{DirectoryLister, Project, ProjectEntryId, ProjectPath, WorktreeId};
29use schemars::JsonSchema;
30use serde::Deserialize;
31use settings::{Settings, SettingsStore};
32use std::{
33 any::Any,
34 cmp, fmt, mem,
35 num::NonZeroUsize,
36 ops::ControlFlow,
37 path::PathBuf,
38 rc::Rc,
39 sync::{
40 Arc,
41 atomic::{AtomicUsize, Ordering},
42 },
43};
44use theme::ThemeSettings;
45use ui::{
46 ButtonSize, Color, ContextMenu, ContextMenuEntry, ContextMenuItem, DecoratedIcon, IconButton,
47 IconButtonShape, IconDecoration, IconDecorationKind, IconName, IconSize, Indicator, Label,
48 PopoverMenu, PopoverMenuHandle, ScrollableHandle, Tab, TabBar, TabPosition, Tooltip,
49 prelude::*, right_click_menu,
50};
51use util::{ResultExt, debug_panic, maybe, truncate_and_remove_front};
52
53/// A selected entry in e.g. project panel.
54#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
55pub struct SelectedEntry {
56 pub worktree_id: WorktreeId,
57 pub entry_id: ProjectEntryId,
58}
59
60/// A group of selected entries from project panel.
61#[derive(Debug)]
62pub struct DraggedSelection {
63 pub active_selection: SelectedEntry,
64 pub marked_selections: Arc<BTreeSet<SelectedEntry>>,
65}
66
67impl DraggedSelection {
68 pub fn items<'a>(&'a self) -> Box<dyn Iterator<Item = &'a SelectedEntry> + 'a> {
69 if self.marked_selections.contains(&self.active_selection) {
70 Box::new(self.marked_selections.iter())
71 } else {
72 Box::new(std::iter::once(&self.active_selection))
73 }
74 }
75}
76
77#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema)]
78#[serde(rename_all = "snake_case")]
79pub enum SaveIntent {
80 /// write all files (even if unchanged)
81 /// prompt before overwriting on-disk changes
82 Save,
83 /// same as Save, but without auto formatting
84 SaveWithoutFormat,
85 /// write any files that have local changes
86 /// prompt before overwriting on-disk changes
87 SaveAll,
88 /// always prompt for a new path
89 SaveAs,
90 /// prompt "you have unsaved changes" before writing
91 Close,
92 /// write all dirty files, don't prompt on conflict
93 Overwrite,
94 /// skip all save-related behavior
95 Skip,
96}
97
98/// Activates a specific item in the pane by its index.
99#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
100#[action(namespace = pane)]
101pub struct ActivateItem(pub usize);
102
103/// Closes the currently active item in the pane.
104#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
105#[action(namespace = pane)]
106#[serde(deny_unknown_fields)]
107pub struct CloseActiveItem {
108 #[serde(default)]
109 pub save_intent: Option<SaveIntent>,
110 #[serde(default)]
111 pub close_pinned: bool,
112}
113
114/// Closes all inactive items in the pane.
115#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
116#[action(namespace = pane)]
117#[serde(deny_unknown_fields)]
118pub struct CloseInactiveItems {
119 #[serde(default)]
120 pub save_intent: Option<SaveIntent>,
121 #[serde(default)]
122 pub close_pinned: bool,
123}
124
125/// Closes all items in the pane.
126#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
127#[action(namespace = pane)]
128#[serde(deny_unknown_fields)]
129pub struct CloseAllItems {
130 #[serde(default)]
131 pub save_intent: Option<SaveIntent>,
132 #[serde(default)]
133 pub close_pinned: bool,
134}
135
136/// Closes all items that have no unsaved changes.
137#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
138#[action(namespace = pane)]
139#[serde(deny_unknown_fields)]
140pub struct CloseCleanItems {
141 #[serde(default)]
142 pub close_pinned: bool,
143}
144
145/// Closes all items to the right of the current item.
146#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
147#[action(namespace = pane)]
148#[serde(deny_unknown_fields)]
149pub struct CloseItemsToTheRight {
150 #[serde(default)]
151 pub close_pinned: bool,
152}
153
154/// Closes all items to the left of the current item.
155#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
156#[action(namespace = pane)]
157#[serde(deny_unknown_fields)]
158pub struct CloseItemsToTheLeft {
159 #[serde(default)]
160 pub close_pinned: bool,
161}
162
163/// Reveals the current item in the project panel.
164#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
165#[action(namespace = pane)]
166#[serde(deny_unknown_fields)]
167pub struct RevealInProjectPanel {
168 #[serde(skip)]
169 pub entry_id: Option<u64>,
170}
171
172/// Opens the search interface with the specified configuration.
173#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
174#[action(namespace = pane)]
175#[serde(deny_unknown_fields)]
176pub struct DeploySearch {
177 #[serde(default)]
178 pub replace_enabled: bool,
179 #[serde(default)]
180 pub included_files: Option<String>,
181 #[serde(default)]
182 pub excluded_files: Option<String>,
183}
184
185actions!(
186 pane,
187 [
188 /// Activates the previous item in the pane.
189 ActivatePreviousItem,
190 /// Activates the next item in the pane.
191 ActivateNextItem,
192 /// Activates the last item in the pane.
193 ActivateLastItem,
194 /// Switches to the alternate file.
195 AlternateFile,
196 /// Navigates back in history.
197 GoBack,
198 /// Navigates forward in history.
199 GoForward,
200 /// Joins this pane into the next pane.
201 JoinIntoNext,
202 /// Joins all panes into one.
203 JoinAll,
204 /// Reopens the most recently closed item.
205 ReopenClosedItem,
206 /// Splits the pane to the left.
207 SplitLeft,
208 /// Splits the pane upward.
209 SplitUp,
210 /// Splits the pane to the right.
211 SplitRight,
212 /// Splits the pane downward.
213 SplitDown,
214 /// Splits the pane horizontally.
215 SplitHorizontal,
216 /// Splits the pane vertically.
217 SplitVertical,
218 /// Swaps the current item with the one to the left.
219 SwapItemLeft,
220 /// Swaps the current item with the one to the right.
221 SwapItemRight,
222 /// Toggles preview mode for the current tab.
223 TogglePreviewTab,
224 /// Toggles pin status for the current tab.
225 TogglePinTab,
226 /// Unpins all tabs in the pane.
227 UnpinAllTabs,
228 ]
229);
230
231impl DeploySearch {
232 pub fn find() -> Self {
233 Self {
234 replace_enabled: false,
235 included_files: None,
236 excluded_files: None,
237 }
238 }
239}
240
241const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
242
243pub enum Event {
244 AddItem {
245 item: Box<dyn ItemHandle>,
246 },
247 ActivateItem {
248 local: bool,
249 focus_changed: bool,
250 },
251 Remove {
252 focus_on_pane: Option<Entity<Pane>>,
253 },
254 RemoveItem {
255 idx: usize,
256 },
257 RemovedItem {
258 item: Box<dyn ItemHandle>,
259 },
260 Split(SplitDirection),
261 ItemPinned,
262 ItemUnpinned,
263 JoinAll,
264 JoinIntoNext,
265 ChangeItemTitle,
266 Focus,
267 ZoomIn,
268 ZoomOut,
269 UserSavedItem {
270 item: Box<dyn WeakItemHandle>,
271 save_intent: SaveIntent,
272 },
273}
274
275impl fmt::Debug for Event {
276 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
277 match self {
278 Event::AddItem { item } => f
279 .debug_struct("AddItem")
280 .field("item", &item.item_id())
281 .finish(),
282 Event::ActivateItem { local, .. } => f
283 .debug_struct("ActivateItem")
284 .field("local", local)
285 .finish(),
286 Event::Remove { .. } => f.write_str("Remove"),
287 Event::RemoveItem { idx } => f.debug_struct("RemoveItem").field("idx", idx).finish(),
288 Event::RemovedItem { item } => f
289 .debug_struct("RemovedItem")
290 .field("item", &item.item_id())
291 .finish(),
292 Event::Split(direction) => f
293 .debug_struct("Split")
294 .field("direction", direction)
295 .finish(),
296 Event::JoinAll => f.write_str("JoinAll"),
297 Event::JoinIntoNext => f.write_str("JoinIntoNext"),
298 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
299 Event::Focus => f.write_str("Focus"),
300 Event::ZoomIn => f.write_str("ZoomIn"),
301 Event::ZoomOut => f.write_str("ZoomOut"),
302 Event::UserSavedItem { item, save_intent } => f
303 .debug_struct("UserSavedItem")
304 .field("item", &item.id())
305 .field("save_intent", save_intent)
306 .finish(),
307 Event::ItemPinned => f.write_str("ItemPinned"),
308 Event::ItemUnpinned => f.write_str("ItemUnpinned"),
309 }
310 }
311}
312
313/// A container for 0 to many items that are open in the workspace.
314/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
315/// responsible for managing item tabs, focus and zoom states and drag and drop features.
316/// Can be split, see `PaneGroup` for more details.
317pub struct Pane {
318 alternate_file_items: (
319 Option<Box<dyn WeakItemHandle>>,
320 Option<Box<dyn WeakItemHandle>>,
321 ),
322 focus_handle: FocusHandle,
323 items: Vec<Box<dyn ItemHandle>>,
324 activation_history: Vec<ActivationHistoryEntry>,
325 next_activation_timestamp: Arc<AtomicUsize>,
326 zoomed: bool,
327 was_focused: bool,
328 active_item_index: usize,
329 preview_item_id: Option<EntityId>,
330 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
331 nav_history: NavHistory,
332 toolbar: Entity<Toolbar>,
333 pub(crate) workspace: WeakEntity<Workspace>,
334 project: WeakEntity<Project>,
335 pub drag_split_direction: Option<SplitDirection>,
336 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool>>,
337 custom_drop_handle: Option<
338 Arc<dyn Fn(&mut Pane, &dyn Any, &mut Window, &mut Context<Pane>) -> ControlFlow<(), ()>>,
339 >,
340 can_split_predicate:
341 Option<Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool>>,
342 can_toggle_zoom: bool,
343 should_display_tab_bar: Rc<dyn Fn(&Window, &mut Context<Pane>) -> bool>,
344 render_tab_bar_buttons: Rc<
345 dyn Fn(
346 &mut Pane,
347 &mut Window,
348 &mut Context<Pane>,
349 ) -> (Option<AnyElement>, Option<AnyElement>),
350 >,
351 render_tab_bar: Rc<dyn Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement>,
352 show_tab_bar_buttons: bool,
353 max_tabs: Option<NonZeroUsize>,
354 _subscriptions: Vec<Subscription>,
355 tab_bar_scroll_handle: ScrollHandle,
356 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
357 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
358 display_nav_history_buttons: Option<bool>,
359 double_click_dispatch_action: Box<dyn Action>,
360 save_modals_spawned: HashSet<EntityId>,
361 close_pane_if_empty: bool,
362 pub new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
363 pub split_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
364 pinned_tab_count: usize,
365 diagnostics: HashMap<ProjectPath, DiagnosticSeverity>,
366 zoom_out_on_close: bool,
367 /// If a certain project item wants to get recreated with specific data, it can persist its data before the recreation here.
368 pub project_item_restoration_data: HashMap<ProjectItemKind, Box<dyn Any + Send>>,
369}
370
371pub struct ActivationHistoryEntry {
372 pub entity_id: EntityId,
373 pub timestamp: usize,
374}
375
376pub struct ItemNavHistory {
377 history: NavHistory,
378 item: Arc<dyn WeakItemHandle>,
379 is_preview: bool,
380}
381
382#[derive(Clone)]
383pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
384
385struct NavHistoryState {
386 mode: NavigationMode,
387 backward_stack: VecDeque<NavigationEntry>,
388 forward_stack: VecDeque<NavigationEntry>,
389 closed_stack: VecDeque<NavigationEntry>,
390 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
391 pane: WeakEntity<Pane>,
392 next_timestamp: Arc<AtomicUsize>,
393}
394
395#[derive(Debug, Copy, Clone)]
396pub enum NavigationMode {
397 Normal,
398 GoingBack,
399 GoingForward,
400 ClosingItem,
401 ReopeningClosedItem,
402 Disabled,
403}
404
405impl Default for NavigationMode {
406 fn default() -> Self {
407 Self::Normal
408 }
409}
410
411pub struct NavigationEntry {
412 pub item: Arc<dyn WeakItemHandle>,
413 pub data: Option<Box<dyn Any + Send>>,
414 pub timestamp: usize,
415 pub is_preview: bool,
416}
417
418#[derive(Clone)]
419pub struct DraggedTab {
420 pub pane: Entity<Pane>,
421 pub item: Box<dyn ItemHandle>,
422 pub ix: usize,
423 pub detail: usize,
424 pub is_active: bool,
425}
426
427impl EventEmitter<Event> for Pane {}
428
429pub enum Side {
430 Left,
431 Right,
432}
433
434#[derive(Copy, Clone)]
435enum PinOperation {
436 Pin,
437 Unpin,
438}
439
440impl Pane {
441 pub fn new(
442 workspace: WeakEntity<Workspace>,
443 project: Entity<Project>,
444 next_timestamp: Arc<AtomicUsize>,
445 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool + 'static>>,
446 double_click_dispatch_action: Box<dyn Action>,
447 window: &mut Window,
448 cx: &mut Context<Self>,
449 ) -> Self {
450 let focus_handle = cx.focus_handle();
451
452 let subscriptions = vec![
453 cx.on_focus(&focus_handle, window, Pane::focus_in),
454 cx.on_focus_in(&focus_handle, window, Pane::focus_in),
455 cx.on_focus_out(&focus_handle, window, Pane::focus_out),
456 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
457 cx.subscribe(&project, Self::project_events),
458 ];
459
460 let handle = cx.entity().downgrade();
461
462 Self {
463 alternate_file_items: (None, None),
464 focus_handle,
465 items: Vec::new(),
466 activation_history: Vec::new(),
467 next_activation_timestamp: next_timestamp.clone(),
468 was_focused: false,
469 zoomed: false,
470 active_item_index: 0,
471 preview_item_id: None,
472 max_tabs: WorkspaceSettings::get_global(cx).max_tabs,
473 last_focus_handle_by_item: Default::default(),
474 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
475 mode: NavigationMode::Normal,
476 backward_stack: Default::default(),
477 forward_stack: Default::default(),
478 closed_stack: Default::default(),
479 paths_by_item: Default::default(),
480 pane: handle.clone(),
481 next_timestamp,
482 }))),
483 toolbar: cx.new(|_| Toolbar::new()),
484 tab_bar_scroll_handle: ScrollHandle::new(),
485 drag_split_direction: None,
486 workspace,
487 project: project.downgrade(),
488 can_drop_predicate,
489 custom_drop_handle: None,
490 can_split_predicate: None,
491 can_toggle_zoom: true,
492 should_display_tab_bar: Rc::new(|_, cx| TabBarSettings::get_global(cx).show),
493 render_tab_bar_buttons: Rc::new(default_render_tab_bar_buttons),
494 render_tab_bar: Rc::new(Self::render_tab_bar),
495 show_tab_bar_buttons: TabBarSettings::get_global(cx).show_tab_bar_buttons,
496 display_nav_history_buttons: Some(
497 TabBarSettings::get_global(cx).show_nav_history_buttons,
498 ),
499 _subscriptions: subscriptions,
500 double_click_dispatch_action,
501 save_modals_spawned: HashSet::default(),
502 close_pane_if_empty: true,
503 split_item_context_menu_handle: Default::default(),
504 new_item_context_menu_handle: Default::default(),
505 pinned_tab_count: 0,
506 diagnostics: Default::default(),
507 zoom_out_on_close: true,
508 project_item_restoration_data: HashMap::default(),
509 }
510 }
511
512 fn alternate_file(&mut self, window: &mut Window, cx: &mut Context<Pane>) {
513 let (_, alternative) = &self.alternate_file_items;
514 if let Some(alternative) = alternative {
515 let existing = self
516 .items()
517 .find_position(|item| item.item_id() == alternative.id());
518 if let Some((ix, _)) = existing {
519 self.activate_item(ix, true, true, window, cx);
520 } else if let Some(upgraded) = alternative.upgrade() {
521 self.add_item(upgraded, true, true, None, window, cx);
522 }
523 }
524 }
525
526 pub fn track_alternate_file_items(&mut self) {
527 if let Some(item) = self.active_item().map(|item| item.downgrade_item()) {
528 let (current, _) = &self.alternate_file_items;
529 match current {
530 Some(current) => {
531 if current.id() != item.id() {
532 self.alternate_file_items =
533 (Some(item), self.alternate_file_items.0.take());
534 }
535 }
536 None => {
537 self.alternate_file_items = (Some(item), None);
538 }
539 }
540 }
541 }
542
543 pub fn has_focus(&self, window: &Window, cx: &App) -> bool {
544 // We not only check whether our focus handle contains focus, but also
545 // whether the active item might have focus, because we might have just activated an item
546 // that hasn't rendered yet.
547 // Before the next render, we might transfer focus
548 // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
549 // is not hooked up to us in the dispatch tree.
550 self.focus_handle.contains_focused(window, cx)
551 || self.active_item().map_or(false, |item| {
552 item.item_focus_handle(cx).contains_focused(window, cx)
553 })
554 }
555
556 fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
557 if !self.was_focused {
558 self.was_focused = true;
559 self.update_history(self.active_item_index);
560 cx.emit(Event::Focus);
561 cx.notify();
562 }
563
564 self.toolbar.update(cx, |toolbar, cx| {
565 toolbar.focus_changed(true, window, cx);
566 });
567
568 if let Some(active_item) = self.active_item() {
569 if self.focus_handle.is_focused(window) {
570 // Schedule a redraw next frame, so that the focus changes below take effect
571 cx.on_next_frame(window, |_, _, cx| {
572 cx.notify();
573 });
574
575 // Pane was focused directly. We need to either focus a view inside the active item,
576 // or focus the active item itself
577 if let Some(weak_last_focus_handle) =
578 self.last_focus_handle_by_item.get(&active_item.item_id())
579 {
580 if let Some(focus_handle) = weak_last_focus_handle.upgrade() {
581 focus_handle.focus(window);
582 return;
583 }
584 }
585
586 active_item.item_focus_handle(cx).focus(window);
587 } else if let Some(focused) = window.focused(cx) {
588 if !self.context_menu_focused(window, cx) {
589 self.last_focus_handle_by_item
590 .insert(active_item.item_id(), focused.downgrade());
591 }
592 }
593 }
594 }
595
596 pub fn context_menu_focused(&self, window: &mut Window, cx: &mut Context<Self>) -> bool {
597 self.new_item_context_menu_handle.is_focused(window, cx)
598 || self.split_item_context_menu_handle.is_focused(window, cx)
599 }
600
601 fn focus_out(&mut self, _event: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
602 self.was_focused = false;
603 self.toolbar.update(cx, |toolbar, cx| {
604 toolbar.focus_changed(false, window, cx);
605 });
606 cx.notify();
607 }
608
609 fn project_events(
610 &mut self,
611 _project: Entity<Project>,
612 event: &project::Event,
613 cx: &mut Context<Self>,
614 ) {
615 match event {
616 project::Event::DiskBasedDiagnosticsFinished { .. }
617 | project::Event::DiagnosticsUpdated { .. } => {
618 if ItemSettings::get_global(cx).show_diagnostics != ShowDiagnostics::Off {
619 self.update_diagnostics(cx);
620 cx.notify();
621 }
622 }
623 _ => {}
624 }
625 }
626
627 fn update_diagnostics(&mut self, cx: &mut Context<Self>) {
628 let Some(project) = self.project.upgrade() else {
629 return;
630 };
631 let show_diagnostics = ItemSettings::get_global(cx).show_diagnostics;
632 self.diagnostics = if show_diagnostics != ShowDiagnostics::Off {
633 project
634 .read(cx)
635 .diagnostic_summaries(false, cx)
636 .filter_map(|(project_path, _, diagnostic_summary)| {
637 if diagnostic_summary.error_count > 0 {
638 Some((project_path, DiagnosticSeverity::ERROR))
639 } else if diagnostic_summary.warning_count > 0
640 && show_diagnostics != ShowDiagnostics::Errors
641 {
642 Some((project_path, DiagnosticSeverity::WARNING))
643 } else {
644 None
645 }
646 })
647 .collect()
648 } else {
649 HashMap::default()
650 }
651 }
652
653 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
654 let tab_bar_settings = TabBarSettings::get_global(cx);
655 let new_max_tabs = WorkspaceSettings::get_global(cx).max_tabs;
656
657 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
658 *display_nav_history_buttons = tab_bar_settings.show_nav_history_buttons;
659 }
660
661 self.show_tab_bar_buttons = tab_bar_settings.show_tab_bar_buttons;
662
663 if !PreviewTabsSettings::get_global(cx).enabled {
664 self.preview_item_id = None;
665 }
666
667 if new_max_tabs != self.max_tabs {
668 self.max_tabs = new_max_tabs;
669 self.close_items_on_settings_change(window, cx);
670 }
671
672 self.update_diagnostics(cx);
673 cx.notify();
674 }
675
676 pub fn active_item_index(&self) -> usize {
677 self.active_item_index
678 }
679
680 pub fn activation_history(&self) -> &[ActivationHistoryEntry] {
681 &self.activation_history
682 }
683
684 pub fn set_should_display_tab_bar<F>(&mut self, should_display_tab_bar: F)
685 where
686 F: 'static + Fn(&Window, &mut Context<Pane>) -> bool,
687 {
688 self.should_display_tab_bar = Rc::new(should_display_tab_bar);
689 }
690
691 pub fn set_can_split(
692 &mut self,
693 can_split_predicate: Option<
694 Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool + 'static>,
695 >,
696 ) {
697 self.can_split_predicate = can_split_predicate;
698 }
699
700 pub fn set_can_toggle_zoom(&mut self, can_toggle_zoom: bool, cx: &mut Context<Self>) {
701 self.can_toggle_zoom = can_toggle_zoom;
702 cx.notify();
703 }
704
705 pub fn set_close_pane_if_empty(&mut self, close_pane_if_empty: bool, cx: &mut Context<Self>) {
706 self.close_pane_if_empty = close_pane_if_empty;
707 cx.notify();
708 }
709
710 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut Context<Self>) {
711 self.toolbar.update(cx, |toolbar, cx| {
712 toolbar.set_can_navigate(can_navigate, cx);
713 });
714 cx.notify();
715 }
716
717 pub fn set_render_tab_bar<F>(&mut self, cx: &mut Context<Self>, render: F)
718 where
719 F: 'static + Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement,
720 {
721 self.render_tab_bar = Rc::new(render);
722 cx.notify();
723 }
724
725 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut Context<Self>, render: F)
726 where
727 F: 'static
728 + Fn(
729 &mut Pane,
730 &mut Window,
731 &mut Context<Pane>,
732 ) -> (Option<AnyElement>, Option<AnyElement>),
733 {
734 self.render_tab_bar_buttons = Rc::new(render);
735 cx.notify();
736 }
737
738 pub fn set_custom_drop_handle<F>(&mut self, cx: &mut Context<Self>, handle: F)
739 where
740 F: 'static
741 + Fn(&mut Pane, &dyn Any, &mut Window, &mut Context<Pane>) -> ControlFlow<(), ()>,
742 {
743 self.custom_drop_handle = Some(Arc::new(handle));
744 cx.notify();
745 }
746
747 pub fn nav_history_for_item<T: Item>(&self, item: &Entity<T>) -> ItemNavHistory {
748 ItemNavHistory {
749 history: self.nav_history.clone(),
750 item: Arc::new(item.downgrade()),
751 is_preview: self.preview_item_id == Some(item.item_id()),
752 }
753 }
754
755 pub fn nav_history(&self) -> &NavHistory {
756 &self.nav_history
757 }
758
759 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
760 &mut self.nav_history
761 }
762
763 pub fn disable_history(&mut self) {
764 self.nav_history.disable();
765 }
766
767 pub fn enable_history(&mut self) {
768 self.nav_history.enable();
769 }
770
771 pub fn can_navigate_backward(&self) -> bool {
772 !self.nav_history.0.lock().backward_stack.is_empty()
773 }
774
775 pub fn can_navigate_forward(&self) -> bool {
776 !self.nav_history.0.lock().forward_stack.is_empty()
777 }
778
779 pub fn navigate_backward(&mut self, window: &mut Window, cx: &mut Context<Self>) {
780 if let Some(workspace) = self.workspace.upgrade() {
781 let pane = cx.entity().downgrade();
782 window.defer(cx, move |window, cx| {
783 workspace.update(cx, |workspace, cx| {
784 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
785 })
786 })
787 }
788 }
789
790 fn navigate_forward(&mut self, window: &mut Window, cx: &mut Context<Self>) {
791 if let Some(workspace) = self.workspace.upgrade() {
792 let pane = cx.entity().downgrade();
793 window.defer(cx, move |window, cx| {
794 workspace.update(cx, |workspace, cx| {
795 workspace
796 .go_forward(pane, window, cx)
797 .detach_and_log_err(cx)
798 })
799 })
800 }
801 }
802
803 fn history_updated(&mut self, cx: &mut Context<Self>) {
804 self.toolbar.update(cx, |_, cx| cx.notify());
805 }
806
807 pub fn preview_item_id(&self) -> Option<EntityId> {
808 self.preview_item_id
809 }
810
811 pub fn preview_item(&self) -> Option<Box<dyn ItemHandle>> {
812 self.preview_item_id
813 .and_then(|id| self.items.iter().find(|item| item.item_id() == id))
814 .cloned()
815 }
816
817 pub fn preview_item_idx(&self) -> Option<usize> {
818 if let Some(preview_item_id) = self.preview_item_id {
819 self.items
820 .iter()
821 .position(|item| item.item_id() == preview_item_id)
822 } else {
823 None
824 }
825 }
826
827 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
828 self.preview_item_id == Some(item_id)
829 }
830
831 /// Marks the item with the given ID as the preview item.
832 /// This will be ignored if the global setting `preview_tabs` is disabled.
833 pub fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &App) {
834 if PreviewTabsSettings::get_global(cx).enabled {
835 self.preview_item_id = item_id;
836 }
837 }
838
839 /// Should only be used when deserializing a pane.
840 pub fn set_pinned_count(&mut self, count: usize) {
841 self.pinned_tab_count = count;
842 }
843
844 pub fn pinned_count(&self) -> usize {
845 self.pinned_tab_count
846 }
847
848 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
849 if let Some(preview_item) = self.preview_item() {
850 if preview_item.item_id() == item_id && !preview_item.preserve_preview(cx) {
851 self.set_preview_item_id(None, cx);
852 }
853 }
854 }
855
856 pub(crate) fn open_item(
857 &mut self,
858 project_entry_id: Option<ProjectEntryId>,
859 project_path: ProjectPath,
860 focus_item: bool,
861 allow_preview: bool,
862 activate: bool,
863 suggested_position: Option<usize>,
864 window: &mut Window,
865 cx: &mut Context<Self>,
866 build_item: WorkspaceItemBuilder,
867 ) -> Box<dyn ItemHandle> {
868 let mut existing_item = None;
869 if let Some(project_entry_id) = project_entry_id {
870 for (index, item) in self.items.iter().enumerate() {
871 if item.is_singleton(cx)
872 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
873 {
874 let item = item.boxed_clone();
875 existing_item = Some((index, item));
876 break;
877 }
878 }
879 } else {
880 for (index, item) in self.items.iter().enumerate() {
881 if item.is_singleton(cx) && item.project_path(cx).as_ref() == Some(&project_path) {
882 let item = item.boxed_clone();
883 existing_item = Some((index, item));
884 break;
885 }
886 }
887 }
888 if let Some((index, existing_item)) = existing_item {
889 // If the item is already open, and the item is a preview item
890 // and we are not allowing items to open as preview, mark the item as persistent.
891 if let Some(preview_item_id) = self.preview_item_id {
892 if let Some(tab) = self.items.get(index) {
893 if tab.item_id() == preview_item_id && !allow_preview {
894 self.set_preview_item_id(None, cx);
895 }
896 }
897 }
898 if activate {
899 self.activate_item(index, focus_item, focus_item, window, cx);
900 }
901 existing_item
902 } else {
903 // If the item is being opened as preview and we have an existing preview tab,
904 // open the new item in the position of the existing preview tab.
905 let destination_index = if allow_preview {
906 self.close_current_preview_item(window, cx)
907 } else {
908 suggested_position
909 };
910
911 let new_item = build_item(self, window, cx);
912
913 if allow_preview {
914 self.set_preview_item_id(Some(new_item.item_id()), cx);
915 }
916 self.add_item_inner(
917 new_item.clone(),
918 true,
919 focus_item,
920 activate,
921 destination_index,
922 window,
923 cx,
924 );
925
926 new_item
927 }
928 }
929
930 pub fn close_current_preview_item(
931 &mut self,
932 window: &mut Window,
933 cx: &mut Context<Self>,
934 ) -> Option<usize> {
935 let item_idx = self.preview_item_idx()?;
936 let id = self.preview_item_id()?;
937
938 let prev_active_item_index = self.active_item_index;
939 self.remove_item(id, false, false, window, cx);
940 self.active_item_index = prev_active_item_index;
941
942 if item_idx < self.items.len() {
943 Some(item_idx)
944 } else {
945 None
946 }
947 }
948
949 pub fn add_item_inner(
950 &mut self,
951 item: Box<dyn ItemHandle>,
952 activate_pane: bool,
953 focus_item: bool,
954 activate: bool,
955 destination_index: Option<usize>,
956 window: &mut Window,
957 cx: &mut Context<Self>,
958 ) {
959 let item_already_exists = self
960 .items
961 .iter()
962 .any(|existing_item| existing_item.item_id() == item.item_id());
963
964 if !item_already_exists {
965 self.close_items_on_item_open(window, cx);
966 }
967
968 if item.is_singleton(cx) {
969 if let Some(&entry_id) = item.project_entry_ids(cx).first() {
970 let Some(project) = self.project.upgrade() else {
971 return;
972 };
973
974 let project = project.read(cx);
975 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
976 let abs_path = project.absolute_path(&project_path, cx);
977 self.nav_history
978 .0
979 .lock()
980 .paths_by_item
981 .insert(item.item_id(), (project_path, abs_path));
982 }
983 }
984 }
985 // If no destination index is specified, add or move the item after the
986 // active item (or at the start of tab bar, if the active item is pinned)
987 let mut insertion_index = {
988 cmp::min(
989 if let Some(destination_index) = destination_index {
990 destination_index
991 } else {
992 cmp::max(self.active_item_index + 1, self.pinned_count())
993 },
994 self.items.len(),
995 )
996 };
997
998 // Does the item already exist?
999 let project_entry_id = if item.is_singleton(cx) {
1000 item.project_entry_ids(cx).first().copied()
1001 } else {
1002 None
1003 };
1004
1005 let existing_item_index = self.items.iter().position(|existing_item| {
1006 if existing_item.item_id() == item.item_id() {
1007 true
1008 } else if existing_item.is_singleton(cx) {
1009 existing_item
1010 .project_entry_ids(cx)
1011 .first()
1012 .map_or(false, |existing_entry_id| {
1013 Some(existing_entry_id) == project_entry_id.as_ref()
1014 })
1015 } else {
1016 false
1017 }
1018 });
1019
1020 if let Some(existing_item_index) = existing_item_index {
1021 // If the item already exists, move it to the desired destination and activate it
1022
1023 if existing_item_index != insertion_index {
1024 let existing_item_is_active = existing_item_index == self.active_item_index;
1025
1026 // If the caller didn't specify a destination and the added item is already
1027 // the active one, don't move it
1028 if existing_item_is_active && destination_index.is_none() {
1029 insertion_index = existing_item_index;
1030 } else {
1031 self.items.remove(existing_item_index);
1032 if existing_item_index < self.active_item_index {
1033 self.active_item_index -= 1;
1034 }
1035 insertion_index = insertion_index.min(self.items.len());
1036
1037 self.items.insert(insertion_index, item.clone());
1038
1039 if existing_item_is_active {
1040 self.active_item_index = insertion_index;
1041 } else if insertion_index <= self.active_item_index {
1042 self.active_item_index += 1;
1043 }
1044 }
1045
1046 cx.notify();
1047 }
1048
1049 if activate {
1050 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1051 }
1052 } else {
1053 self.items.insert(insertion_index, item.clone());
1054
1055 if activate {
1056 if insertion_index <= self.active_item_index
1057 && self.preview_item_idx() != Some(self.active_item_index)
1058 {
1059 self.active_item_index += 1;
1060 }
1061
1062 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1063 }
1064 cx.notify();
1065 }
1066
1067 cx.emit(Event::AddItem { item });
1068 }
1069
1070 pub fn add_item(
1071 &mut self,
1072 item: Box<dyn ItemHandle>,
1073 activate_pane: bool,
1074 focus_item: bool,
1075 destination_index: Option<usize>,
1076 window: &mut Window,
1077 cx: &mut Context<Self>,
1078 ) {
1079 self.add_item_inner(
1080 item,
1081 activate_pane,
1082 focus_item,
1083 true,
1084 destination_index,
1085 window,
1086 cx,
1087 )
1088 }
1089
1090 pub fn items_len(&self) -> usize {
1091 self.items.len()
1092 }
1093
1094 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
1095 self.items.iter()
1096 }
1097
1098 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = Entity<T>> {
1099 self.items
1100 .iter()
1101 .filter_map(|item| item.to_any().downcast().ok())
1102 }
1103
1104 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
1105 self.items.get(self.active_item_index).cloned()
1106 }
1107
1108 fn active_item_id(&self) -> EntityId {
1109 self.items[self.active_item_index].item_id()
1110 }
1111
1112 pub fn pixel_position_of_cursor(&self, cx: &App) -> Option<Point<Pixels>> {
1113 self.items
1114 .get(self.active_item_index)?
1115 .pixel_position_of_cursor(cx)
1116 }
1117
1118 pub fn item_for_entry(
1119 &self,
1120 entry_id: ProjectEntryId,
1121 cx: &App,
1122 ) -> Option<Box<dyn ItemHandle>> {
1123 self.items.iter().find_map(|item| {
1124 if item.is_singleton(cx) && (item.project_entry_ids(cx).as_slice() == [entry_id]) {
1125 Some(item.boxed_clone())
1126 } else {
1127 None
1128 }
1129 })
1130 }
1131
1132 pub fn item_for_path(
1133 &self,
1134 project_path: ProjectPath,
1135 cx: &App,
1136 ) -> Option<Box<dyn ItemHandle>> {
1137 self.items.iter().find_map(move |item| {
1138 if item.is_singleton(cx) && (item.project_path(cx).as_slice() == [project_path.clone()])
1139 {
1140 Some(item.boxed_clone())
1141 } else {
1142 None
1143 }
1144 })
1145 }
1146
1147 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
1148 self.index_for_item_id(item.item_id())
1149 }
1150
1151 fn index_for_item_id(&self, item_id: EntityId) -> Option<usize> {
1152 self.items.iter().position(|i| i.item_id() == item_id)
1153 }
1154
1155 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
1156 self.items.get(ix).map(|i| i.as_ref())
1157 }
1158
1159 pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1160 if !self.can_toggle_zoom {
1161 cx.propagate();
1162 } else if self.zoomed {
1163 cx.emit(Event::ZoomOut);
1164 } else if !self.items.is_empty() {
1165 if !self.focus_handle.contains_focused(window, cx) {
1166 cx.focus_self(window);
1167 }
1168 cx.emit(Event::ZoomIn);
1169 }
1170 }
1171
1172 pub fn activate_item(
1173 &mut self,
1174 index: usize,
1175 activate_pane: bool,
1176 focus_item: bool,
1177 window: &mut Window,
1178 cx: &mut Context<Self>,
1179 ) {
1180 use NavigationMode::{GoingBack, GoingForward};
1181 if index < self.items.len() {
1182 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
1183 if prev_active_item_ix != self.active_item_index
1184 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
1185 {
1186 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
1187 prev_item.deactivated(window, cx);
1188 }
1189 }
1190 self.update_history(index);
1191 self.update_toolbar(window, cx);
1192 self.update_status_bar(window, cx);
1193
1194 if focus_item {
1195 self.focus_active_item(window, cx);
1196 }
1197
1198 cx.emit(Event::ActivateItem {
1199 local: activate_pane,
1200 focus_changed: focus_item,
1201 });
1202
1203 if !self.is_tab_pinned(index) {
1204 self.tab_bar_scroll_handle
1205 .scroll_to_item(index - self.pinned_tab_count);
1206 }
1207
1208 cx.notify();
1209 }
1210 }
1211
1212 fn update_history(&mut self, index: usize) {
1213 if let Some(newly_active_item) = self.items.get(index) {
1214 self.activation_history
1215 .retain(|entry| entry.entity_id != newly_active_item.item_id());
1216 self.activation_history.push(ActivationHistoryEntry {
1217 entity_id: newly_active_item.item_id(),
1218 timestamp: self
1219 .next_activation_timestamp
1220 .fetch_add(1, Ordering::SeqCst),
1221 });
1222 }
1223 }
1224
1225 pub fn activate_prev_item(
1226 &mut self,
1227 activate_pane: bool,
1228 window: &mut Window,
1229 cx: &mut Context<Self>,
1230 ) {
1231 let mut index = self.active_item_index;
1232 if index > 0 {
1233 index -= 1;
1234 } else if !self.items.is_empty() {
1235 index = self.items.len() - 1;
1236 }
1237 self.activate_item(index, activate_pane, activate_pane, window, cx);
1238 }
1239
1240 pub fn activate_next_item(
1241 &mut self,
1242 activate_pane: bool,
1243 window: &mut Window,
1244 cx: &mut Context<Self>,
1245 ) {
1246 let mut index = self.active_item_index;
1247 if index + 1 < self.items.len() {
1248 index += 1;
1249 } else {
1250 index = 0;
1251 }
1252 self.activate_item(index, activate_pane, activate_pane, window, cx);
1253 }
1254
1255 pub fn swap_item_left(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1256 let index = self.active_item_index;
1257 if index == 0 {
1258 return;
1259 }
1260
1261 self.items.swap(index, index - 1);
1262 self.activate_item(index - 1, true, true, window, cx);
1263 }
1264
1265 pub fn swap_item_right(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1266 let index = self.active_item_index;
1267 if index + 1 == self.items.len() {
1268 return;
1269 }
1270
1271 self.items.swap(index, index + 1);
1272 self.activate_item(index + 1, true, true, window, cx);
1273 }
1274
1275 pub fn close_active_item(
1276 &mut self,
1277 action: &CloseActiveItem,
1278 window: &mut Window,
1279 cx: &mut Context<Self>,
1280 ) -> Task<Result<()>> {
1281 if self.items.is_empty() {
1282 // Close the window when there's no active items to close, if configured
1283 if WorkspaceSettings::get_global(cx)
1284 .when_closing_with_no_tabs
1285 .should_close()
1286 {
1287 window.dispatch_action(Box::new(CloseWindow), cx);
1288 }
1289
1290 return Task::ready(Ok(()));
1291 }
1292 if self.is_tab_pinned(self.active_item_index) && !action.close_pinned {
1293 // Activate any non-pinned tab in same pane
1294 let non_pinned_tab_index = self
1295 .items()
1296 .enumerate()
1297 .find(|(index, _item)| !self.is_tab_pinned(*index))
1298 .map(|(index, _item)| index);
1299 if let Some(index) = non_pinned_tab_index {
1300 self.activate_item(index, false, false, window, cx);
1301 return Task::ready(Ok(()));
1302 }
1303
1304 // Activate any non-pinned tab in different pane
1305 let current_pane = cx.entity();
1306 self.workspace
1307 .update(cx, |workspace, cx| {
1308 let panes = workspace.center.panes();
1309 let pane_with_unpinned_tab = panes.iter().find(|pane| {
1310 if **pane == ¤t_pane {
1311 return false;
1312 }
1313 pane.read(cx).has_unpinned_tabs()
1314 });
1315 if let Some(pane) = pane_with_unpinned_tab {
1316 pane.update(cx, |pane, cx| pane.activate_unpinned_tab(window, cx));
1317 }
1318 })
1319 .ok();
1320
1321 return Task::ready(Ok(()));
1322 };
1323
1324 let active_item_id = self.active_item_id();
1325
1326 self.close_item_by_id(
1327 active_item_id,
1328 action.save_intent.unwrap_or(SaveIntent::Close),
1329 window,
1330 cx,
1331 )
1332 }
1333
1334 pub fn close_item_by_id(
1335 &mut self,
1336 item_id_to_close: EntityId,
1337 save_intent: SaveIntent,
1338 window: &mut Window,
1339 cx: &mut Context<Self>,
1340 ) -> Task<Result<()>> {
1341 self.close_items(window, cx, save_intent, move |view_id| {
1342 view_id == item_id_to_close
1343 })
1344 }
1345
1346 pub fn close_inactive_items(
1347 &mut self,
1348 action: &CloseInactiveItems,
1349 window: &mut Window,
1350 cx: &mut Context<Self>,
1351 ) -> Task<Result<()>> {
1352 if self.items.is_empty() {
1353 return Task::ready(Ok(()));
1354 }
1355
1356 let active_item_id = self.active_item_id();
1357 let pinned_item_ids = self.pinned_item_ids();
1358
1359 self.close_items(
1360 window,
1361 cx,
1362 action.save_intent.unwrap_or(SaveIntent::Close),
1363 move |item_id| {
1364 item_id != active_item_id
1365 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1366 },
1367 )
1368 }
1369
1370 pub fn close_clean_items(
1371 &mut self,
1372 action: &CloseCleanItems,
1373 window: &mut Window,
1374 cx: &mut Context<Self>,
1375 ) -> Task<Result<()>> {
1376 if self.items.is_empty() {
1377 return Task::ready(Ok(()));
1378 }
1379
1380 let clean_item_ids = self.clean_item_ids(cx);
1381 let pinned_item_ids = self.pinned_item_ids();
1382
1383 self.close_items(window, cx, SaveIntent::Close, move |item_id| {
1384 clean_item_ids.contains(&item_id)
1385 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1386 })
1387 }
1388
1389 pub fn close_items_to_the_left_by_id(
1390 &mut self,
1391 item_id: Option<EntityId>,
1392 action: &CloseItemsToTheLeft,
1393 window: &mut Window,
1394 cx: &mut Context<Self>,
1395 ) -> Task<Result<()>> {
1396 self.close_items_to_the_side_by_id(item_id, Side::Left, action.close_pinned, window, cx)
1397 }
1398
1399 pub fn close_items_to_the_right_by_id(
1400 &mut self,
1401 item_id: Option<EntityId>,
1402 action: &CloseItemsToTheRight,
1403 window: &mut Window,
1404 cx: &mut Context<Self>,
1405 ) -> Task<Result<()>> {
1406 self.close_items_to_the_side_by_id(item_id, Side::Right, action.close_pinned, window, cx)
1407 }
1408
1409 pub fn close_items_to_the_side_by_id(
1410 &mut self,
1411 item_id: Option<EntityId>,
1412 side: Side,
1413 close_pinned: bool,
1414 window: &mut Window,
1415 cx: &mut Context<Self>,
1416 ) -> Task<Result<()>> {
1417 if self.items.is_empty() {
1418 return Task::ready(Ok(()));
1419 }
1420
1421 let item_id = item_id.unwrap_or_else(|| self.active_item_id());
1422 let to_the_side_item_ids = self.to_the_side_item_ids(item_id, side);
1423 let pinned_item_ids = self.pinned_item_ids();
1424
1425 self.close_items(window, cx, SaveIntent::Close, move |item_id| {
1426 to_the_side_item_ids.contains(&item_id)
1427 && (close_pinned || !pinned_item_ids.contains(&item_id))
1428 })
1429 }
1430
1431 pub fn close_all_items(
1432 &mut self,
1433 action: &CloseAllItems,
1434 window: &mut Window,
1435 cx: &mut Context<Self>,
1436 ) -> Task<Result<()>> {
1437 if self.items.is_empty() {
1438 return Task::ready(Ok(()));
1439 }
1440
1441 let pinned_item_ids = self.pinned_item_ids();
1442
1443 self.close_items(
1444 window,
1445 cx,
1446 action.save_intent.unwrap_or(SaveIntent::Close),
1447 |item_id| action.close_pinned || !pinned_item_ids.contains(&item_id),
1448 )
1449 }
1450
1451 fn close_items_on_item_open(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1452 let target = self.max_tabs.map(|m| m.get());
1453 let protect_active_item = false;
1454 self.close_items_to_target_count(target, protect_active_item, window, cx);
1455 }
1456
1457 fn close_items_on_settings_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1458 let target = self.max_tabs.map(|m| m.get() + 1);
1459 // The active item in this case is the settings.json file, which should be protected from being closed
1460 let protect_active_item = true;
1461 self.close_items_to_target_count(target, protect_active_item, window, cx);
1462 }
1463
1464 fn close_items_to_target_count(
1465 &mut self,
1466 target_count: Option<usize>,
1467 protect_active_item: bool,
1468 window: &mut Window,
1469 cx: &mut Context<Self>,
1470 ) {
1471 let Some(target_count) = target_count else {
1472 return;
1473 };
1474
1475 let mut index_list = Vec::new();
1476 let mut items_len = self.items_len();
1477 let mut indexes: HashMap<EntityId, usize> = HashMap::default();
1478 let active_ix = self.active_item_index();
1479
1480 for (index, item) in self.items.iter().enumerate() {
1481 indexes.insert(item.item_id(), index);
1482 }
1483
1484 // Close least recently used items to reach target count.
1485 // The target count is allowed to be exceeded, as we protect pinned
1486 // items, dirty items, and sometimes, the active item.
1487 for entry in self.activation_history.iter() {
1488 if items_len < target_count {
1489 break;
1490 }
1491
1492 let Some(&index) = indexes.get(&entry.entity_id) else {
1493 continue;
1494 };
1495
1496 if protect_active_item && index == active_ix {
1497 continue;
1498 }
1499
1500 if let Some(true) = self.items.get(index).map(|item| item.is_dirty(cx)) {
1501 continue;
1502 }
1503
1504 if self.is_tab_pinned(index) {
1505 continue;
1506 }
1507
1508 index_list.push(index);
1509 items_len -= 1;
1510 }
1511 // The sort and reverse is necessary since we remove items
1512 // using their index position, hence removing from the end
1513 // of the list first to avoid changing indexes.
1514 index_list.sort_unstable();
1515 index_list
1516 .iter()
1517 .rev()
1518 .for_each(|&index| self._remove_item(index, false, false, None, window, cx));
1519 }
1520
1521 // Usually when you close an item that has unsaved changes, we prompt you to
1522 // save it. That said, if you still have the buffer open in a different pane
1523 // we can close this one without fear of losing data.
1524 pub fn skip_save_on_close(item: &dyn ItemHandle, workspace: &Workspace, cx: &App) -> bool {
1525 let mut dirty_project_item_ids = Vec::new();
1526 item.for_each_project_item(cx, &mut |project_item_id, project_item| {
1527 if project_item.is_dirty() {
1528 dirty_project_item_ids.push(project_item_id);
1529 }
1530 });
1531 if dirty_project_item_ids.is_empty() {
1532 return !(item.is_singleton(cx) && item.is_dirty(cx));
1533 }
1534
1535 for open_item in workspace.items(cx) {
1536 if open_item.item_id() == item.item_id() {
1537 continue;
1538 }
1539 if !open_item.is_singleton(cx) {
1540 continue;
1541 }
1542 let other_project_item_ids = open_item.project_item_model_ids(cx);
1543 dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1544 }
1545 return dirty_project_item_ids.is_empty();
1546 }
1547
1548 pub(super) fn file_names_for_prompt(
1549 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1550 cx: &App,
1551 ) -> String {
1552 let mut file_names = BTreeSet::default();
1553 for item in items {
1554 item.for_each_project_item(cx, &mut |_, project_item| {
1555 if !project_item.is_dirty() {
1556 return;
1557 }
1558 let filename = project_item.project_path(cx).and_then(|path| {
1559 path.path
1560 .file_name()
1561 .and_then(|name| name.to_str().map(ToOwned::to_owned))
1562 });
1563 file_names.insert(filename.unwrap_or("untitled".to_string()));
1564 });
1565 }
1566 if file_names.len() > 6 {
1567 format!(
1568 "{}\n.. and {} more",
1569 file_names.iter().take(5).join("\n"),
1570 file_names.len() - 5
1571 )
1572 } else {
1573 file_names.into_iter().join("\n")
1574 }
1575 }
1576
1577 pub fn close_items(
1578 &self,
1579 window: &mut Window,
1580 cx: &mut Context<Pane>,
1581 mut save_intent: SaveIntent,
1582 should_close: impl Fn(EntityId) -> bool,
1583 ) -> Task<Result<()>> {
1584 // Find the items to close.
1585 let mut items_to_close = Vec::new();
1586 for item in &self.items {
1587 if should_close(item.item_id()) {
1588 items_to_close.push(item.boxed_clone());
1589 }
1590 }
1591
1592 let active_item_id = self.active_item().map(|item| item.item_id());
1593
1594 items_to_close.sort_by_key(|item| {
1595 let path = item.project_path(cx);
1596 // Put the currently active item at the end, because if the currently active item is not closed last
1597 // closing the currently active item will cause the focus to switch to another item
1598 // This will cause Zed to expand the content of the currently active item
1599 //
1600 // Beyond that sort in order of project path, with untitled files and multibuffers coming last.
1601 (active_item_id == Some(item.item_id()), path.is_none(), path)
1602 });
1603
1604 let workspace = self.workspace.clone();
1605 let Some(project) = self.project.upgrade() else {
1606 return Task::ready(Ok(()));
1607 };
1608 cx.spawn_in(window, async move |pane, cx| {
1609 let dirty_items = workspace.update(cx, |workspace, cx| {
1610 items_to_close
1611 .iter()
1612 .filter(|item| {
1613 item.is_dirty(cx)
1614 && !Self::skip_save_on_close(item.as_ref(), &workspace, cx)
1615 })
1616 .map(|item| item.boxed_clone())
1617 .collect::<Vec<_>>()
1618 })?;
1619
1620 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1621 let answer = pane.update_in(cx, |_, window, cx| {
1622 let detail = Self::file_names_for_prompt(&mut dirty_items.iter(), cx);
1623 window.prompt(
1624 PromptLevel::Warning,
1625 "Do you want to save changes to the following files?",
1626 Some(&detail),
1627 &["Save all", "Discard all", "Cancel"],
1628 cx,
1629 )
1630 })?;
1631 match answer.await {
1632 Ok(0) => save_intent = SaveIntent::SaveAll,
1633 Ok(1) => save_intent = SaveIntent::Skip,
1634 Ok(2) => return Ok(()),
1635 _ => {}
1636 }
1637 }
1638
1639 for item_to_close in items_to_close {
1640 let mut should_save = true;
1641 if save_intent == SaveIntent::Close {
1642 workspace.update(cx, |workspace, cx| {
1643 if Self::skip_save_on_close(item_to_close.as_ref(), &workspace, cx) {
1644 should_save = false;
1645 }
1646 })?;
1647 }
1648
1649 if should_save {
1650 if !Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
1651 .await?
1652 {
1653 break;
1654 }
1655 }
1656
1657 // Remove the item from the pane.
1658 pane.update_in(cx, |pane, window, cx| {
1659 pane.remove_item(
1660 item_to_close.item_id(),
1661 false,
1662 pane.close_pane_if_empty,
1663 window,
1664 cx,
1665 );
1666 })
1667 .ok();
1668 }
1669
1670 pane.update(cx, |_, cx| cx.notify()).ok();
1671 Ok(())
1672 })
1673 }
1674
1675 pub fn remove_item(
1676 &mut self,
1677 item_id: EntityId,
1678 activate_pane: bool,
1679 close_pane_if_empty: bool,
1680 window: &mut Window,
1681 cx: &mut Context<Self>,
1682 ) {
1683 let Some(item_index) = self.index_for_item_id(item_id) else {
1684 return;
1685 };
1686 self._remove_item(
1687 item_index,
1688 activate_pane,
1689 close_pane_if_empty,
1690 None,
1691 window,
1692 cx,
1693 )
1694 }
1695
1696 pub fn remove_item_and_focus_on_pane(
1697 &mut self,
1698 item_index: usize,
1699 activate_pane: bool,
1700 focus_on_pane_if_closed: Entity<Pane>,
1701 window: &mut Window,
1702 cx: &mut Context<Self>,
1703 ) {
1704 self._remove_item(
1705 item_index,
1706 activate_pane,
1707 true,
1708 Some(focus_on_pane_if_closed),
1709 window,
1710 cx,
1711 )
1712 }
1713
1714 fn _remove_item(
1715 &mut self,
1716 item_index: usize,
1717 activate_pane: bool,
1718 close_pane_if_empty: bool,
1719 focus_on_pane_if_closed: Option<Entity<Pane>>,
1720 window: &mut Window,
1721 cx: &mut Context<Self>,
1722 ) {
1723 let activate_on_close = &ItemSettings::get_global(cx).activate_on_close;
1724 self.activation_history
1725 .retain(|entry| entry.entity_id != self.items[item_index].item_id());
1726
1727 if self.is_tab_pinned(item_index) {
1728 self.pinned_tab_count -= 1;
1729 }
1730 if item_index == self.active_item_index {
1731 let left_neighbour_index = || item_index.min(self.items.len()).saturating_sub(1);
1732 let index_to_activate = match activate_on_close {
1733 ActivateOnClose::History => self
1734 .activation_history
1735 .pop()
1736 .and_then(|last_activated_item| {
1737 self.items.iter().enumerate().find_map(|(index, item)| {
1738 (item.item_id() == last_activated_item.entity_id).then_some(index)
1739 })
1740 })
1741 // We didn't have a valid activation history entry, so fallback
1742 // to activating the item to the left
1743 .unwrap_or_else(left_neighbour_index),
1744 ActivateOnClose::Neighbour => {
1745 self.activation_history.pop();
1746 if item_index + 1 < self.items.len() {
1747 item_index + 1
1748 } else {
1749 item_index.saturating_sub(1)
1750 }
1751 }
1752 ActivateOnClose::LeftNeighbour => {
1753 self.activation_history.pop();
1754 left_neighbour_index()
1755 }
1756 };
1757
1758 let should_activate = activate_pane || self.has_focus(window, cx);
1759 if self.items.len() == 1 && should_activate {
1760 self.focus_handle.focus(window);
1761 } else {
1762 self.activate_item(
1763 index_to_activate,
1764 should_activate,
1765 should_activate,
1766 window,
1767 cx,
1768 );
1769 }
1770 }
1771
1772 let item = self.items.remove(item_index);
1773
1774 cx.emit(Event::RemovedItem { item: item.clone() });
1775 if self.items.is_empty() {
1776 item.deactivated(window, cx);
1777 if close_pane_if_empty {
1778 self.update_toolbar(window, cx);
1779 cx.emit(Event::Remove {
1780 focus_on_pane: focus_on_pane_if_closed,
1781 });
1782 }
1783 }
1784
1785 if item_index < self.active_item_index {
1786 self.active_item_index -= 1;
1787 }
1788
1789 let mode = self.nav_history.mode();
1790 self.nav_history.set_mode(NavigationMode::ClosingItem);
1791 item.deactivated(window, cx);
1792 self.nav_history.set_mode(mode);
1793
1794 if self.is_active_preview_item(item.item_id()) {
1795 self.set_preview_item_id(None, cx);
1796 }
1797
1798 if let Some(path) = item.project_path(cx) {
1799 let abs_path = self
1800 .nav_history
1801 .0
1802 .lock()
1803 .paths_by_item
1804 .get(&item.item_id())
1805 .and_then(|(_, abs_path)| abs_path.clone());
1806
1807 self.nav_history
1808 .0
1809 .lock()
1810 .paths_by_item
1811 .insert(item.item_id(), (path, abs_path));
1812 } else {
1813 self.nav_history
1814 .0
1815 .lock()
1816 .paths_by_item
1817 .remove(&item.item_id());
1818 }
1819
1820 if self.zoom_out_on_close && self.items.is_empty() && close_pane_if_empty && self.zoomed {
1821 cx.emit(Event::ZoomOut);
1822 }
1823
1824 cx.notify();
1825 }
1826
1827 pub async fn save_item(
1828 project: Entity<Project>,
1829 pane: &WeakEntity<Pane>,
1830 item: &dyn ItemHandle,
1831 save_intent: SaveIntent,
1832 cx: &mut AsyncWindowContext,
1833 ) -> Result<bool> {
1834 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1835
1836 const DELETED_MESSAGE: &str = "This file has been deleted on disk since you started editing it. Do you want to recreate it?";
1837
1838 if save_intent == SaveIntent::Skip {
1839 return Ok(true);
1840 }
1841 let Some(item_ix) = pane
1842 .read_with(cx, |pane, _| pane.index_for_item(item))
1843 .ok()
1844 .flatten()
1845 else {
1846 return Ok(true);
1847 };
1848
1849 let (
1850 mut has_conflict,
1851 mut is_dirty,
1852 mut can_save,
1853 can_save_as,
1854 is_singleton,
1855 has_deleted_file,
1856 ) = cx.update(|_window, cx| {
1857 (
1858 item.has_conflict(cx),
1859 item.is_dirty(cx),
1860 item.can_save(cx),
1861 item.can_save_as(cx),
1862 item.is_singleton(cx),
1863 item.has_deleted_file(cx),
1864 )
1865 })?;
1866
1867 // when saving a single buffer, we ignore whether or not it's dirty.
1868 if save_intent == SaveIntent::Save || save_intent == SaveIntent::SaveWithoutFormat {
1869 is_dirty = true;
1870 }
1871
1872 if save_intent == SaveIntent::SaveAs {
1873 is_dirty = true;
1874 has_conflict = false;
1875 can_save = false;
1876 }
1877
1878 if save_intent == SaveIntent::Overwrite {
1879 has_conflict = false;
1880 }
1881
1882 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
1883
1884 if has_conflict && can_save {
1885 if has_deleted_file && is_singleton {
1886 let answer = pane.update_in(cx, |pane, window, cx| {
1887 pane.activate_item(item_ix, true, true, window, cx);
1888 window.prompt(
1889 PromptLevel::Warning,
1890 DELETED_MESSAGE,
1891 None,
1892 &["Save", "Close", "Cancel"],
1893 cx,
1894 )
1895 })?;
1896 match answer.await {
1897 Ok(0) => {
1898 pane.update_in(cx, |_, window, cx| {
1899 item.save(
1900 SaveOptions {
1901 format: should_format,
1902 autosave: false,
1903 },
1904 project,
1905 window,
1906 cx,
1907 )
1908 })?
1909 .await?
1910 }
1911 Ok(1) => {
1912 pane.update_in(cx, |pane, window, cx| {
1913 pane.remove_item(item.item_id(), false, true, window, cx)
1914 })?;
1915 }
1916 _ => return Ok(false),
1917 }
1918 return Ok(true);
1919 } else {
1920 let answer = pane.update_in(cx, |pane, window, cx| {
1921 pane.activate_item(item_ix, true, true, window, cx);
1922 window.prompt(
1923 PromptLevel::Warning,
1924 CONFLICT_MESSAGE,
1925 None,
1926 &["Overwrite", "Discard", "Cancel"],
1927 cx,
1928 )
1929 })?;
1930 match answer.await {
1931 Ok(0) => {
1932 pane.update_in(cx, |_, window, cx| {
1933 item.save(
1934 SaveOptions {
1935 format: should_format,
1936 autosave: false,
1937 },
1938 project,
1939 window,
1940 cx,
1941 )
1942 })?
1943 .await?
1944 }
1945 Ok(1) => {
1946 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
1947 .await?
1948 }
1949 _ => return Ok(false),
1950 }
1951 }
1952 } else if is_dirty && (can_save || can_save_as) {
1953 if save_intent == SaveIntent::Close {
1954 let will_autosave = cx.update(|_window, cx| {
1955 matches!(
1956 item.workspace_settings(cx).autosave,
1957 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1958 ) && item.can_autosave(cx)
1959 })?;
1960 if !will_autosave {
1961 let item_id = item.item_id();
1962 let answer_task = pane.update_in(cx, |pane, window, cx| {
1963 if pane.save_modals_spawned.insert(item_id) {
1964 pane.activate_item(item_ix, true, true, window, cx);
1965 let prompt = dirty_message_for(item.project_path(cx));
1966 Some(window.prompt(
1967 PromptLevel::Warning,
1968 &prompt,
1969 None,
1970 &["Save", "Don't Save", "Cancel"],
1971 cx,
1972 ))
1973 } else {
1974 None
1975 }
1976 })?;
1977 if let Some(answer_task) = answer_task {
1978 let answer = answer_task.await;
1979 pane.update(cx, |pane, _| {
1980 if !pane.save_modals_spawned.remove(&item_id) {
1981 debug_panic!(
1982 "save modal was not present in spawned modals after awaiting for its answer"
1983 )
1984 }
1985 })?;
1986 match answer {
1987 Ok(0) => {}
1988 Ok(1) => {
1989 // Don't save this file
1990 pane.update_in(cx, |pane, window, cx| {
1991 if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
1992 pane.pinned_tab_count -= 1;
1993 }
1994 item.discarded(project, window, cx)
1995 })
1996 .log_err();
1997 return Ok(true);
1998 }
1999 _ => return Ok(false), // Cancel
2000 }
2001 } else {
2002 return Ok(false);
2003 }
2004 }
2005 }
2006
2007 if can_save {
2008 pane.update_in(cx, |pane, window, cx| {
2009 if pane.is_active_preview_item(item.item_id()) {
2010 pane.set_preview_item_id(None, cx);
2011 }
2012 item.save(
2013 SaveOptions {
2014 format: should_format,
2015 autosave: false,
2016 },
2017 project,
2018 window,
2019 cx,
2020 )
2021 })?
2022 .await?;
2023 } else if can_save_as && is_singleton {
2024 let new_path = pane.update_in(cx, |pane, window, cx| {
2025 pane.activate_item(item_ix, true, true, window, cx);
2026 pane.workspace.update(cx, |workspace, cx| {
2027 let lister = if workspace.project().read(cx).is_local() {
2028 DirectoryLister::Local(
2029 workspace.project().clone(),
2030 workspace.app_state().fs.clone(),
2031 )
2032 } else {
2033 DirectoryLister::Project(workspace.project().clone())
2034 };
2035 workspace.prompt_for_new_path(lister, window, cx)
2036 })
2037 })??;
2038 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
2039 else {
2040 return Ok(false);
2041 };
2042
2043 let project_path = pane
2044 .update(cx, |pane, cx| {
2045 pane.project
2046 .update(cx, |project, cx| {
2047 project.find_or_create_worktree(new_path, true, cx)
2048 })
2049 .ok()
2050 })
2051 .ok()
2052 .flatten();
2053 let save_task = if let Some(project_path) = project_path {
2054 let (worktree, path) = project_path.await?;
2055 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id())?;
2056 let new_path = ProjectPath {
2057 worktree_id,
2058 path: path.into(),
2059 };
2060
2061 pane.update_in(cx, |pane, window, cx| {
2062 if let Some(item) = pane.item_for_path(new_path.clone(), cx) {
2063 pane.remove_item(item.item_id(), false, false, window, cx);
2064 }
2065
2066 item.save_as(project, new_path, window, cx)
2067 })?
2068 } else {
2069 return Ok(false);
2070 };
2071
2072 save_task.await?;
2073 return Ok(true);
2074 }
2075 }
2076
2077 pane.update(cx, |_, cx| {
2078 cx.emit(Event::UserSavedItem {
2079 item: item.downgrade_item(),
2080 save_intent,
2081 });
2082 true
2083 })
2084 }
2085
2086 pub fn autosave_item(
2087 item: &dyn ItemHandle,
2088 project: Entity<Project>,
2089 window: &mut Window,
2090 cx: &mut App,
2091 ) -> Task<Result<()>> {
2092 let format = !matches!(
2093 item.workspace_settings(cx).autosave,
2094 AutosaveSetting::AfterDelay { .. }
2095 );
2096 if item.can_autosave(cx) {
2097 item.save(
2098 SaveOptions {
2099 format,
2100 autosave: true,
2101 },
2102 project,
2103 window,
2104 cx,
2105 )
2106 } else {
2107 Task::ready(Ok(()))
2108 }
2109 }
2110
2111 pub fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2112 if let Some(active_item) = self.active_item() {
2113 let focus_handle = active_item.item_focus_handle(cx);
2114 window.focus(&focus_handle);
2115 }
2116 }
2117
2118 pub fn split(&mut self, direction: SplitDirection, cx: &mut Context<Self>) {
2119 cx.emit(Event::Split(direction));
2120 }
2121
2122 pub fn toolbar(&self) -> &Entity<Toolbar> {
2123 &self.toolbar
2124 }
2125
2126 pub fn handle_deleted_project_item(
2127 &mut self,
2128 entry_id: ProjectEntryId,
2129 window: &mut Window,
2130 cx: &mut Context<Pane>,
2131 ) -> Option<()> {
2132 let item_id = self.items().find_map(|item| {
2133 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
2134 Some(item.item_id())
2135 } else {
2136 None
2137 }
2138 })?;
2139
2140 self.remove_item(item_id, false, true, window, cx);
2141 self.nav_history.remove_item(item_id);
2142
2143 Some(())
2144 }
2145
2146 fn update_toolbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2147 let active_item = self
2148 .items
2149 .get(self.active_item_index)
2150 .map(|item| item.as_ref());
2151 self.toolbar.update(cx, |toolbar, cx| {
2152 toolbar.set_active_item(active_item, window, cx);
2153 });
2154 }
2155
2156 fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2157 let workspace = self.workspace.clone();
2158 let pane = cx.entity().clone();
2159
2160 window.defer(cx, move |window, cx| {
2161 let Ok(status_bar) =
2162 workspace.read_with(cx, |workspace, _| workspace.status_bar.clone())
2163 else {
2164 return;
2165 };
2166
2167 status_bar.update(cx, move |status_bar, cx| {
2168 status_bar.set_active_pane(&pane, window, cx);
2169 });
2170 });
2171 }
2172
2173 fn entry_abs_path(&self, entry: ProjectEntryId, cx: &App) -> Option<PathBuf> {
2174 let worktree = self
2175 .workspace
2176 .upgrade()?
2177 .read(cx)
2178 .project()
2179 .read(cx)
2180 .worktree_for_entry(entry, cx)?
2181 .read(cx);
2182 let entry = worktree.entry_for_id(entry)?;
2183 match &entry.canonical_path {
2184 Some(canonical_path) => Some(canonical_path.to_path_buf()),
2185 None => worktree.absolutize(&entry.path).ok(),
2186 }
2187 }
2188
2189 pub fn icon_color(selected: bool) -> Color {
2190 if selected {
2191 Color::Default
2192 } else {
2193 Color::Muted
2194 }
2195 }
2196
2197 fn toggle_pin_tab(&mut self, _: &TogglePinTab, window: &mut Window, cx: &mut Context<Self>) {
2198 if self.items.is_empty() {
2199 return;
2200 }
2201 let active_tab_ix = self.active_item_index();
2202 if self.is_tab_pinned(active_tab_ix) {
2203 self.unpin_tab_at(active_tab_ix, window, cx);
2204 } else {
2205 self.pin_tab_at(active_tab_ix, window, cx);
2206 }
2207 }
2208
2209 fn unpin_all_tabs(&mut self, _: &UnpinAllTabs, window: &mut Window, cx: &mut Context<Self>) {
2210 if self.items.is_empty() {
2211 return;
2212 }
2213
2214 let pinned_item_ids = self.pinned_item_ids().into_iter().rev();
2215
2216 for pinned_item_id in pinned_item_ids {
2217 if let Some(ix) = self.index_for_item_id(pinned_item_id) {
2218 self.unpin_tab_at(ix, window, cx);
2219 }
2220 }
2221 }
2222
2223 fn pin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2224 self.change_tab_pin_state(ix, PinOperation::Pin, window, cx);
2225 }
2226
2227 fn unpin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2228 self.change_tab_pin_state(ix, PinOperation::Unpin, window, cx);
2229 }
2230
2231 fn change_tab_pin_state(
2232 &mut self,
2233 ix: usize,
2234 operation: PinOperation,
2235 window: &mut Window,
2236 cx: &mut Context<Self>,
2237 ) {
2238 maybe!({
2239 let pane = cx.entity().clone();
2240
2241 let destination_index = match operation {
2242 PinOperation::Pin => self.pinned_tab_count.min(ix),
2243 PinOperation::Unpin => self.pinned_tab_count.checked_sub(1)?,
2244 };
2245
2246 let id = self.item_for_index(ix)?.item_id();
2247 let should_activate = ix == self.active_item_index;
2248
2249 if matches!(operation, PinOperation::Pin) && self.is_active_preview_item(id) {
2250 self.set_preview_item_id(None, cx);
2251 }
2252
2253 match operation {
2254 PinOperation::Pin => self.pinned_tab_count += 1,
2255 PinOperation::Unpin => self.pinned_tab_count -= 1,
2256 }
2257
2258 if ix == destination_index {
2259 cx.notify();
2260 } else {
2261 self.workspace
2262 .update(cx, |_, cx| {
2263 cx.defer_in(window, move |_, window, cx| {
2264 move_item(
2265 &pane,
2266 &pane,
2267 id,
2268 destination_index,
2269 should_activate,
2270 window,
2271 cx,
2272 );
2273 });
2274 })
2275 .ok()?;
2276 }
2277
2278 let event = match operation {
2279 PinOperation::Pin => Event::ItemPinned,
2280 PinOperation::Unpin => Event::ItemUnpinned,
2281 };
2282
2283 cx.emit(event);
2284
2285 Some(())
2286 });
2287 }
2288
2289 fn is_tab_pinned(&self, ix: usize) -> bool {
2290 self.pinned_tab_count > ix
2291 }
2292
2293 fn has_unpinned_tabs(&self) -> bool {
2294 self.pinned_tab_count < self.items.len()
2295 }
2296
2297 fn activate_unpinned_tab(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2298 if self.items.is_empty() {
2299 return;
2300 }
2301 let Some(index) = self
2302 .items()
2303 .enumerate()
2304 .find_map(|(index, _item)| (!self.is_tab_pinned(index)).then_some(index))
2305 else {
2306 return;
2307 };
2308 self.activate_item(index, true, true, window, cx);
2309 }
2310
2311 fn render_tab(
2312 &self,
2313 ix: usize,
2314 item: &dyn ItemHandle,
2315 detail: usize,
2316 focus_handle: &FocusHandle,
2317 window: &mut Window,
2318 cx: &mut Context<Pane>,
2319 ) -> impl IntoElement + use<> {
2320 let is_active = ix == self.active_item_index;
2321 let is_preview = self
2322 .preview_item_id
2323 .map(|id| id == item.item_id())
2324 .unwrap_or(false);
2325
2326 let label = item.tab_content(
2327 TabContentParams {
2328 detail: Some(detail),
2329 selected: is_active,
2330 preview: is_preview,
2331 deemphasized: !self.has_focus(window, cx),
2332 },
2333 window,
2334 cx,
2335 );
2336
2337 let item_diagnostic = item
2338 .project_path(cx)
2339 .map_or(None, |project_path| self.diagnostics.get(&project_path));
2340
2341 let decorated_icon = item_diagnostic.map_or(None, |diagnostic| {
2342 let icon = match item.tab_icon(window, cx) {
2343 Some(icon) => icon,
2344 None => return None,
2345 };
2346
2347 let knockout_item_color = if is_active {
2348 cx.theme().colors().tab_active_background
2349 } else {
2350 cx.theme().colors().tab_bar_background
2351 };
2352
2353 let (icon_decoration, icon_color) = if matches!(diagnostic, &DiagnosticSeverity::ERROR)
2354 {
2355 (IconDecorationKind::X, Color::Error)
2356 } else {
2357 (IconDecorationKind::Triangle, Color::Warning)
2358 };
2359
2360 Some(DecoratedIcon::new(
2361 icon.size(IconSize::Small).color(Color::Muted),
2362 Some(
2363 IconDecoration::new(icon_decoration, knockout_item_color, cx)
2364 .color(icon_color.color(cx))
2365 .position(Point {
2366 x: px(-2.),
2367 y: px(-2.),
2368 }),
2369 ),
2370 ))
2371 });
2372
2373 let icon = if decorated_icon.is_none() {
2374 match item_diagnostic {
2375 Some(&DiagnosticSeverity::ERROR) => None,
2376 Some(&DiagnosticSeverity::WARNING) => None,
2377 _ => item
2378 .tab_icon(window, cx)
2379 .map(|icon| icon.color(Color::Muted)),
2380 }
2381 .map(|icon| icon.size(IconSize::Small))
2382 } else {
2383 None
2384 };
2385
2386 let settings = ItemSettings::get_global(cx);
2387 let close_side = &settings.close_position;
2388 let show_close_button = &settings.show_close_button;
2389 let indicator = render_item_indicator(item.boxed_clone(), cx);
2390 let item_id = item.item_id();
2391 let is_first_item = ix == 0;
2392 let is_last_item = ix == self.items.len() - 1;
2393 let is_pinned = self.is_tab_pinned(ix);
2394 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
2395
2396 let tab = Tab::new(ix)
2397 .position(if is_first_item {
2398 TabPosition::First
2399 } else if is_last_item {
2400 TabPosition::Last
2401 } else {
2402 TabPosition::Middle(position_relative_to_active_item)
2403 })
2404 .close_side(match close_side {
2405 ClosePosition::Left => ui::TabCloseSide::Start,
2406 ClosePosition::Right => ui::TabCloseSide::End,
2407 })
2408 .toggle_state(is_active)
2409 .on_click(cx.listener(move |pane: &mut Self, _, window, cx| {
2410 pane.activate_item(ix, true, true, window, cx)
2411 }))
2412 // TODO: This should be a click listener with the middle mouse button instead of a mouse down listener.
2413 .on_mouse_down(
2414 MouseButton::Middle,
2415 cx.listener(move |pane, _event, window, cx| {
2416 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2417 .detach_and_log_err(cx);
2418 }),
2419 )
2420 .on_mouse_down(
2421 MouseButton::Left,
2422 cx.listener(move |pane, event: &MouseDownEvent, _, cx| {
2423 if let Some(id) = pane.preview_item_id {
2424 if id == item_id && event.click_count > 1 {
2425 pane.set_preview_item_id(None, cx);
2426 }
2427 }
2428 }),
2429 )
2430 .on_drag(
2431 DraggedTab {
2432 item: item.boxed_clone(),
2433 pane: cx.entity().clone(),
2434 detail,
2435 is_active,
2436 ix,
2437 },
2438 |tab, _, _, cx| cx.new(|_| tab.clone()),
2439 )
2440 .drag_over::<DraggedTab>(|tab, _, _, cx| {
2441 tab.bg(cx.theme().colors().drop_target_background)
2442 })
2443 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2444 tab.bg(cx.theme().colors().drop_target_background)
2445 })
2446 .when_some(self.can_drop_predicate.clone(), |this, p| {
2447 this.can_drop(move |a, window, cx| p(a, window, cx))
2448 })
2449 .on_drop(
2450 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2451 this.drag_split_direction = None;
2452 this.handle_tab_drop(dragged_tab, ix, window, cx)
2453 }),
2454 )
2455 .on_drop(
2456 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2457 this.drag_split_direction = None;
2458 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2459 }),
2460 )
2461 .on_drop(cx.listener(move |this, paths, window, cx| {
2462 this.drag_split_direction = None;
2463 this.handle_external_paths_drop(paths, window, cx)
2464 }))
2465 .when_some(item.tab_tooltip_content(cx), |tab, content| match content {
2466 TabTooltipContent::Text(text) => tab.tooltip(Tooltip::text(text.clone())),
2467 TabTooltipContent::Custom(element_fn) => {
2468 tab.tooltip(move |window, cx| element_fn(window, cx))
2469 }
2470 })
2471 .start_slot::<Indicator>(indicator)
2472 .map(|this| {
2473 let end_slot_action: &'static dyn Action;
2474 let end_slot_tooltip_text: &'static str;
2475 let end_slot = if is_pinned {
2476 end_slot_action = &TogglePinTab;
2477 end_slot_tooltip_text = "Unpin Tab";
2478 IconButton::new("unpin tab", IconName::Pin)
2479 .shape(IconButtonShape::Square)
2480 .icon_color(Color::Muted)
2481 .size(ButtonSize::None)
2482 .icon_size(IconSize::XSmall)
2483 .on_click(cx.listener(move |pane, _, window, cx| {
2484 pane.unpin_tab_at(ix, window, cx);
2485 }))
2486 } else {
2487 end_slot_action = &CloseActiveItem {
2488 save_intent: None,
2489 close_pinned: false,
2490 };
2491 end_slot_tooltip_text = "Close Tab";
2492 match show_close_button {
2493 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2494 ShowCloseButton::Hover => {
2495 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2496 }
2497 ShowCloseButton::Hidden => return this,
2498 }
2499 .shape(IconButtonShape::Square)
2500 .icon_color(Color::Muted)
2501 .size(ButtonSize::None)
2502 .icon_size(IconSize::XSmall)
2503 .on_click(cx.listener(move |pane, _, window, cx| {
2504 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2505 .detach_and_log_err(cx);
2506 }))
2507 }
2508 .map(|this| {
2509 if is_active {
2510 let focus_handle = focus_handle.clone();
2511 this.tooltip(move |window, cx| {
2512 Tooltip::for_action_in(
2513 end_slot_tooltip_text,
2514 end_slot_action,
2515 &focus_handle,
2516 window,
2517 cx,
2518 )
2519 })
2520 } else {
2521 this.tooltip(Tooltip::text(end_slot_tooltip_text))
2522 }
2523 });
2524 this.end_slot(end_slot)
2525 })
2526 .child(
2527 h_flex()
2528 .gap_1()
2529 .items_center()
2530 .children(
2531 std::iter::once(if let Some(decorated_icon) = decorated_icon {
2532 Some(div().child(decorated_icon.into_any_element()))
2533 } else if let Some(icon) = icon {
2534 Some(div().child(icon.into_any_element()))
2535 } else {
2536 None
2537 })
2538 .flatten(),
2539 )
2540 .child(label),
2541 );
2542
2543 let single_entry_to_resolve = self.items[ix]
2544 .is_singleton(cx)
2545 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
2546 .flatten();
2547
2548 let total_items = self.items.len();
2549 let has_items_to_left = ix > 0;
2550 let has_items_to_right = ix < total_items - 1;
2551 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
2552 let is_pinned = self.is_tab_pinned(ix);
2553 let pane = cx.entity().downgrade();
2554 let menu_context = item.item_focus_handle(cx);
2555 right_click_menu(ix)
2556 .trigger(|_, _, _| tab)
2557 .menu(move |window, cx| {
2558 let pane = pane.clone();
2559 let menu_context = menu_context.clone();
2560 ContextMenu::build(window, cx, move |mut menu, window, cx| {
2561 let close_active_item_action = CloseActiveItem {
2562 save_intent: None,
2563 close_pinned: true,
2564 };
2565 let close_inactive_items_action = CloseInactiveItems {
2566 save_intent: None,
2567 close_pinned: false,
2568 };
2569 let close_items_to_the_left_action = CloseItemsToTheLeft {
2570 close_pinned: false,
2571 };
2572 let close_items_to_the_right_action = CloseItemsToTheRight {
2573 close_pinned: false,
2574 };
2575 let close_clean_items_action = CloseCleanItems {
2576 close_pinned: false,
2577 };
2578 let close_all_items_action = CloseAllItems {
2579 save_intent: None,
2580 close_pinned: false,
2581 };
2582 if let Some(pane) = pane.upgrade() {
2583 menu = menu
2584 .entry(
2585 "Close",
2586 Some(Box::new(close_active_item_action)),
2587 window.handler_for(&pane, move |pane, window, cx| {
2588 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2589 .detach_and_log_err(cx);
2590 }),
2591 )
2592 .item(ContextMenuItem::Entry(
2593 ContextMenuEntry::new("Close Others")
2594 .action(Box::new(close_inactive_items_action.clone()))
2595 .disabled(total_items == 1)
2596 .handler(window.handler_for(&pane, move |pane, window, cx| {
2597 pane.close_inactive_items(
2598 &close_inactive_items_action,
2599 window,
2600 cx,
2601 )
2602 .detach_and_log_err(cx);
2603 })),
2604 ))
2605 .separator()
2606 .item(ContextMenuItem::Entry(
2607 ContextMenuEntry::new("Close Left")
2608 .action(Box::new(close_items_to_the_left_action.clone()))
2609 .disabled(!has_items_to_left)
2610 .handler(window.handler_for(&pane, move |pane, window, cx| {
2611 pane.close_items_to_the_left_by_id(
2612 Some(item_id),
2613 &close_items_to_the_left_action,
2614 window,
2615 cx,
2616 )
2617 .detach_and_log_err(cx);
2618 })),
2619 ))
2620 .item(ContextMenuItem::Entry(
2621 ContextMenuEntry::new("Close Right")
2622 .action(Box::new(close_items_to_the_right_action.clone()))
2623 .disabled(!has_items_to_right)
2624 .handler(window.handler_for(&pane, move |pane, window, cx| {
2625 pane.close_items_to_the_right_by_id(
2626 Some(item_id),
2627 &close_items_to_the_right_action,
2628 window,
2629 cx,
2630 )
2631 .detach_and_log_err(cx);
2632 })),
2633 ))
2634 .separator()
2635 .item(ContextMenuItem::Entry(
2636 ContextMenuEntry::new("Close Clean")
2637 .action(Box::new(close_clean_items_action.clone()))
2638 .disabled(!has_clean_items)
2639 .handler(window.handler_for(&pane, move |pane, window, cx| {
2640 pane.close_clean_items(
2641 &close_clean_items_action,
2642 window,
2643 cx,
2644 )
2645 .detach_and_log_err(cx)
2646 })),
2647 ))
2648 .entry(
2649 "Close All",
2650 Some(Box::new(close_all_items_action.clone())),
2651 window.handler_for(&pane, move |pane, window, cx| {
2652 pane.close_all_items(&close_all_items_action, window, cx)
2653 .detach_and_log_err(cx)
2654 }),
2655 );
2656
2657 let pin_tab_entries = |menu: ContextMenu| {
2658 menu.separator().map(|this| {
2659 if is_pinned {
2660 this.entry(
2661 "Unpin Tab",
2662 Some(TogglePinTab.boxed_clone()),
2663 window.handler_for(&pane, move |pane, window, cx| {
2664 pane.unpin_tab_at(ix, window, cx);
2665 }),
2666 )
2667 } else {
2668 this.entry(
2669 "Pin Tab",
2670 Some(TogglePinTab.boxed_clone()),
2671 window.handler_for(&pane, move |pane, window, cx| {
2672 pane.pin_tab_at(ix, window, cx);
2673 }),
2674 )
2675 }
2676 })
2677 };
2678 if let Some(entry) = single_entry_to_resolve {
2679 let project_path = pane
2680 .read(cx)
2681 .item_for_entry(entry, cx)
2682 .and_then(|item| item.project_path(cx));
2683 let worktree = project_path.as_ref().and_then(|project_path| {
2684 pane.read(cx)
2685 .project
2686 .upgrade()?
2687 .read(cx)
2688 .worktree_for_id(project_path.worktree_id, cx)
2689 });
2690 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
2691 worktree
2692 .read(cx)
2693 .root_entry()
2694 .map_or(false, |entry| entry.is_dir())
2695 });
2696
2697 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
2698 let parent_abs_path = entry_abs_path
2699 .as_deref()
2700 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
2701 let relative_path = project_path
2702 .map(|project_path| project_path.path)
2703 .filter(|_| has_relative_path);
2704
2705 let visible_in_project_panel = relative_path.is_some()
2706 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
2707
2708 let entry_id = entry.to_proto();
2709 menu = menu
2710 .separator()
2711 .when_some(entry_abs_path, |menu, abs_path| {
2712 menu.entry(
2713 "Copy Path",
2714 Some(Box::new(zed_actions::workspace::CopyPath)),
2715 window.handler_for(&pane, move |_, _, cx| {
2716 cx.write_to_clipboard(ClipboardItem::new_string(
2717 abs_path.to_string_lossy().to_string(),
2718 ));
2719 }),
2720 )
2721 })
2722 .when_some(relative_path, |menu, relative_path| {
2723 menu.entry(
2724 "Copy Relative Path",
2725 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
2726 window.handler_for(&pane, move |_, _, cx| {
2727 cx.write_to_clipboard(ClipboardItem::new_string(
2728 relative_path.to_string_lossy().to_string(),
2729 ));
2730 }),
2731 )
2732 })
2733 .map(pin_tab_entries)
2734 .separator()
2735 .when(visible_in_project_panel, |menu| {
2736 menu.entry(
2737 "Reveal In Project Panel",
2738 Some(Box::new(RevealInProjectPanel::default())),
2739 window.handler_for(&pane, move |pane, _, cx| {
2740 pane.project
2741 .update(cx, |_, cx| {
2742 cx.emit(project::Event::RevealInProjectPanel(
2743 ProjectEntryId::from_proto(entry_id),
2744 ))
2745 })
2746 .ok();
2747 }),
2748 )
2749 })
2750 .when_some(parent_abs_path, |menu, parent_abs_path| {
2751 menu.entry(
2752 "Open in Terminal",
2753 Some(Box::new(OpenInTerminal)),
2754 window.handler_for(&pane, move |_, window, cx| {
2755 window.dispatch_action(
2756 OpenTerminal {
2757 working_directory: parent_abs_path.clone(),
2758 }
2759 .boxed_clone(),
2760 cx,
2761 );
2762 }),
2763 )
2764 });
2765 } else {
2766 menu = menu.map(pin_tab_entries);
2767 }
2768 }
2769
2770 menu.context(menu_context)
2771 })
2772 })
2773 }
2774
2775 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
2776 let focus_handle = self.focus_handle.clone();
2777 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
2778 .icon_size(IconSize::Small)
2779 .on_click({
2780 let entity = cx.entity().clone();
2781 move |_, window, cx| {
2782 entity.update(cx, |pane, cx| pane.navigate_backward(window, cx))
2783 }
2784 })
2785 .disabled(!self.can_navigate_backward())
2786 .tooltip({
2787 let focus_handle = focus_handle.clone();
2788 move |window, cx| {
2789 Tooltip::for_action_in("Go Back", &GoBack, &focus_handle, window, cx)
2790 }
2791 });
2792
2793 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
2794 .icon_size(IconSize::Small)
2795 .on_click({
2796 let entity = cx.entity().clone();
2797 move |_, window, cx| entity.update(cx, |pane, cx| pane.navigate_forward(window, cx))
2798 })
2799 .disabled(!self.can_navigate_forward())
2800 .tooltip({
2801 let focus_handle = focus_handle.clone();
2802 move |window, cx| {
2803 Tooltip::for_action_in("Go Forward", &GoForward, &focus_handle, window, cx)
2804 }
2805 });
2806
2807 let mut tab_items = self
2808 .items
2809 .iter()
2810 .enumerate()
2811 .zip(tab_details(&self.items, window, cx))
2812 .map(|((ix, item), detail)| {
2813 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
2814 })
2815 .collect::<Vec<_>>();
2816 let tab_count = tab_items.len();
2817 if self.pinned_tab_count > tab_count {
2818 log::warn!(
2819 "Pinned tab count ({}) exceeds actual tab count ({}). \
2820 This should not happen. If possible, add reproduction steps, \
2821 in a comment, to https://github.com/zed-industries/zed/issues/33342",
2822 self.pinned_tab_count,
2823 tab_count
2824 );
2825 self.pinned_tab_count = tab_count;
2826 }
2827 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
2828 let pinned_tabs = tab_items;
2829 TabBar::new("tab_bar")
2830 .when(
2831 self.display_nav_history_buttons.unwrap_or_default(),
2832 |tab_bar| {
2833 tab_bar
2834 .start_child(navigate_backward)
2835 .start_child(navigate_forward)
2836 },
2837 )
2838 .map(|tab_bar| {
2839 if self.show_tab_bar_buttons {
2840 let render_tab_buttons = self.render_tab_bar_buttons.clone();
2841 let (left_children, right_children) = render_tab_buttons(self, window, cx);
2842 tab_bar
2843 .start_children(left_children)
2844 .end_children(right_children)
2845 } else {
2846 tab_bar
2847 }
2848 })
2849 .children(pinned_tabs.len().ne(&0).then(|| {
2850 let content_width = self.tab_bar_scroll_handle.content_size().width;
2851 let viewport_width = self.tab_bar_scroll_handle.viewport().size.width;
2852 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
2853 let is_scrollable = content_width > viewport_width;
2854 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
2855 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
2856 h_flex()
2857 .children(pinned_tabs)
2858 .when(is_scrollable && is_scrolled, |this| {
2859 this.when(has_active_unpinned_tab, |this| this.border_r_2())
2860 .when(!has_active_unpinned_tab, |this| this.border_r_1())
2861 .border_color(cx.theme().colors().border)
2862 })
2863 }))
2864 .child(
2865 h_flex()
2866 .id("unpinned tabs")
2867 .overflow_x_scroll()
2868 .w_full()
2869 .track_scroll(&self.tab_bar_scroll_handle)
2870 .children(unpinned_tabs)
2871 .child(
2872 div()
2873 .id("tab_bar_drop_target")
2874 .min_w_6()
2875 // HACK: This empty child is currently necessary to force the drop target to appear
2876 // despite us setting a min width above.
2877 .child("")
2878 .h_full()
2879 .flex_grow()
2880 .drag_over::<DraggedTab>(|bar, _, _, cx| {
2881 bar.bg(cx.theme().colors().drop_target_background)
2882 })
2883 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
2884 bar.bg(cx.theme().colors().drop_target_background)
2885 })
2886 .on_drop(cx.listener(
2887 move |this, dragged_tab: &DraggedTab, window, cx| {
2888 this.drag_split_direction = None;
2889 this.handle_tab_drop(dragged_tab, this.items.len(), window, cx)
2890 },
2891 ))
2892 .on_drop(cx.listener(
2893 move |this, selection: &DraggedSelection, window, cx| {
2894 this.drag_split_direction = None;
2895 this.handle_project_entry_drop(
2896 &selection.active_selection.entry_id,
2897 Some(tab_count),
2898 window,
2899 cx,
2900 )
2901 },
2902 ))
2903 .on_drop(cx.listener(move |this, paths, window, cx| {
2904 this.drag_split_direction = None;
2905 this.handle_external_paths_drop(paths, window, cx)
2906 }))
2907 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
2908 if event.up.click_count == 2 {
2909 window.dispatch_action(
2910 this.double_click_dispatch_action.boxed_clone(),
2911 cx,
2912 );
2913 }
2914 })),
2915 ),
2916 )
2917 .into_any_element()
2918 }
2919
2920 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
2921 div().absolute().bottom_0().right_0().size_0().child(
2922 deferred(anchored().anchor(Corner::TopRight).child(menu.clone())).with_priority(1),
2923 )
2924 }
2925
2926 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
2927 self.zoomed = zoomed;
2928 cx.notify();
2929 }
2930
2931 pub fn is_zoomed(&self) -> bool {
2932 self.zoomed
2933 }
2934
2935 fn handle_drag_move<T: 'static>(
2936 &mut self,
2937 event: &DragMoveEvent<T>,
2938 window: &mut Window,
2939 cx: &mut Context<Self>,
2940 ) {
2941 let can_split_predicate = self.can_split_predicate.take();
2942 let can_split = match &can_split_predicate {
2943 Some(can_split_predicate) => {
2944 can_split_predicate(self, event.dragged_item(), window, cx)
2945 }
2946 None => false,
2947 };
2948 self.can_split_predicate = can_split_predicate;
2949 if !can_split {
2950 return;
2951 }
2952
2953 let rect = event.bounds.size;
2954
2955 let size = event.bounds.size.width.min(event.bounds.size.height)
2956 * WorkspaceSettings::get_global(cx).drop_target_size;
2957
2958 let relative_cursor = Point::new(
2959 event.event.position.x - event.bounds.left(),
2960 event.event.position.y - event.bounds.top(),
2961 );
2962
2963 let direction = if relative_cursor.x < size
2964 || relative_cursor.x > rect.width - size
2965 || relative_cursor.y < size
2966 || relative_cursor.y > rect.height - size
2967 {
2968 [
2969 SplitDirection::Up,
2970 SplitDirection::Right,
2971 SplitDirection::Down,
2972 SplitDirection::Left,
2973 ]
2974 .iter()
2975 .min_by_key(|side| match side {
2976 SplitDirection::Up => relative_cursor.y,
2977 SplitDirection::Right => rect.width - relative_cursor.x,
2978 SplitDirection::Down => rect.height - relative_cursor.y,
2979 SplitDirection::Left => relative_cursor.x,
2980 })
2981 .cloned()
2982 } else {
2983 None
2984 };
2985
2986 if direction != self.drag_split_direction {
2987 self.drag_split_direction = direction;
2988 }
2989 }
2990
2991 pub fn handle_tab_drop(
2992 &mut self,
2993 dragged_tab: &DraggedTab,
2994 ix: usize,
2995 window: &mut Window,
2996 cx: &mut Context<Self>,
2997 ) {
2998 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
2999 if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, window, cx) {
3000 return;
3001 }
3002 }
3003 let mut to_pane = cx.entity().clone();
3004 let split_direction = self.drag_split_direction;
3005 let item_id = dragged_tab.item.item_id();
3006 if let Some(preview_item_id) = self.preview_item_id {
3007 if item_id == preview_item_id {
3008 self.set_preview_item_id(None, cx);
3009 }
3010 }
3011
3012 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3013 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3014
3015 let from_pane = dragged_tab.pane.clone();
3016 let from_ix = dragged_tab.ix;
3017 self.workspace
3018 .update(cx, |_, cx| {
3019 cx.defer_in(window, move |workspace, window, cx| {
3020 if let Some(split_direction) = split_direction {
3021 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3022 }
3023 let database_id = workspace.database_id();
3024 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3025 pane.index_for_item_id(item_id)
3026 .is_some_and(|ix| pane.is_tab_pinned(ix))
3027 });
3028 let to_pane_old_length = to_pane.read(cx).items.len();
3029 if is_clone {
3030 let Some(item) = from_pane
3031 .read(cx)
3032 .items()
3033 .find(|item| item.item_id() == item_id)
3034 .map(|item| item.clone())
3035 else {
3036 return;
3037 };
3038 if let Some(item) = item.clone_on_split(database_id, window, cx) {
3039 to_pane.update(cx, |pane, cx| {
3040 pane.add_item(item, true, true, None, window, cx);
3041 })
3042 }
3043 } else {
3044 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3045 }
3046 to_pane.update(cx, |this, _| {
3047 if to_pane == from_pane {
3048 let moved_right = ix > from_ix;
3049 let ix = if moved_right { ix - 1 } else { ix };
3050 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3051
3052 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3053 this.pinned_tab_count += 1;
3054 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3055 this.pinned_tab_count -= 1;
3056 }
3057 } else if this.items.len() >= to_pane_old_length {
3058 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3059 let item_created_pane = to_pane_old_length == 0;
3060 let is_first_position = ix == 0;
3061 let was_dropped_at_beginning = item_created_pane || is_first_position;
3062 let should_remain_pinned = is_pinned_in_to_pane
3063 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3064
3065 if should_remain_pinned {
3066 this.pinned_tab_count += 1;
3067 }
3068 }
3069 });
3070 });
3071 })
3072 .log_err();
3073 }
3074
3075 fn handle_dragged_selection_drop(
3076 &mut self,
3077 dragged_selection: &DraggedSelection,
3078 dragged_onto: Option<usize>,
3079 window: &mut Window,
3080 cx: &mut Context<Self>,
3081 ) {
3082 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
3083 if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_selection, window, cx)
3084 {
3085 return;
3086 }
3087 }
3088 self.handle_project_entry_drop(
3089 &dragged_selection.active_selection.entry_id,
3090 dragged_onto,
3091 window,
3092 cx,
3093 );
3094 }
3095
3096 fn handle_project_entry_drop(
3097 &mut self,
3098 project_entry_id: &ProjectEntryId,
3099 target: Option<usize>,
3100 window: &mut Window,
3101 cx: &mut Context<Self>,
3102 ) {
3103 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
3104 if let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, window, cx) {
3105 return;
3106 }
3107 }
3108 let mut to_pane = cx.entity().clone();
3109 let split_direction = self.drag_split_direction;
3110 let project_entry_id = *project_entry_id;
3111 self.workspace
3112 .update(cx, |_, cx| {
3113 cx.defer_in(window, move |workspace, window, cx| {
3114 if let Some(project_path) = workspace
3115 .project()
3116 .read(cx)
3117 .path_for_entry(project_entry_id, cx)
3118 {
3119 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3120 cx.spawn_in(window, async move |workspace, cx| {
3121 if let Some((project_entry_id, build_item)) =
3122 load_path_task.await.notify_async_err(cx)
3123 {
3124 let (to_pane, new_item_handle) = workspace
3125 .update_in(cx, |workspace, window, cx| {
3126 if let Some(split_direction) = split_direction {
3127 to_pane = workspace.split_pane(
3128 to_pane,
3129 split_direction,
3130 window,
3131 cx,
3132 );
3133 }
3134 let new_item_handle = to_pane.update(cx, |pane, cx| {
3135 pane.open_item(
3136 project_entry_id,
3137 project_path,
3138 true,
3139 false,
3140 true,
3141 target,
3142 window,
3143 cx,
3144 build_item,
3145 )
3146 });
3147 (to_pane, new_item_handle)
3148 })
3149 .log_err()?;
3150 to_pane
3151 .update_in(cx, |this, window, cx| {
3152 let Some(index) = this.index_for_item(&*new_item_handle)
3153 else {
3154 return;
3155 };
3156
3157 if target.map_or(false, |target| this.is_tab_pinned(target))
3158 {
3159 this.pin_tab_at(index, window, cx);
3160 }
3161 })
3162 .ok()?
3163 }
3164 Some(())
3165 })
3166 .detach();
3167 };
3168 });
3169 })
3170 .log_err();
3171 }
3172
3173 fn handle_external_paths_drop(
3174 &mut self,
3175 paths: &ExternalPaths,
3176 window: &mut Window,
3177 cx: &mut Context<Self>,
3178 ) {
3179 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
3180 if let ControlFlow::Break(()) = custom_drop_handle(self, paths, window, cx) {
3181 return;
3182 }
3183 }
3184 let mut to_pane = cx.entity().clone();
3185 let mut split_direction = self.drag_split_direction;
3186 let paths = paths.paths().to_vec();
3187 let is_remote = self
3188 .workspace
3189 .update(cx, |workspace, cx| {
3190 if workspace.project().read(cx).is_via_collab() {
3191 workspace.show_error(
3192 &anyhow::anyhow!("Cannot drop files on a remote project"),
3193 cx,
3194 );
3195 true
3196 } else {
3197 false
3198 }
3199 })
3200 .unwrap_or(true);
3201 if is_remote {
3202 return;
3203 }
3204
3205 self.workspace
3206 .update(cx, |workspace, cx| {
3207 let fs = Arc::clone(workspace.project().read(cx).fs());
3208 cx.spawn_in(window, async move |workspace, cx| {
3209 let mut is_file_checks = FuturesUnordered::new();
3210 for path in &paths {
3211 is_file_checks.push(fs.is_file(path))
3212 }
3213 let mut has_files_to_open = false;
3214 while let Some(is_file) = is_file_checks.next().await {
3215 if is_file {
3216 has_files_to_open = true;
3217 break;
3218 }
3219 }
3220 drop(is_file_checks);
3221 if !has_files_to_open {
3222 split_direction = None;
3223 }
3224
3225 if let Ok(open_task) = workspace.update_in(cx, |workspace, window, cx| {
3226 if let Some(split_direction) = split_direction {
3227 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3228 }
3229 workspace.open_paths(
3230 paths,
3231 OpenOptions {
3232 visible: Some(OpenVisible::OnlyDirectories),
3233 ..Default::default()
3234 },
3235 Some(to_pane.downgrade()),
3236 window,
3237 cx,
3238 )
3239 }) {
3240 let opened_items: Vec<_> = open_task.await;
3241 _ = workspace.update(cx, |workspace, cx| {
3242 for item in opened_items.into_iter().flatten() {
3243 if let Err(e) = item {
3244 workspace.show_error(&e, cx);
3245 }
3246 }
3247 });
3248 }
3249 })
3250 .detach();
3251 })
3252 .log_err();
3253 }
3254
3255 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
3256 self.display_nav_history_buttons = display;
3257 }
3258
3259 fn pinned_item_ids(&self) -> Vec<EntityId> {
3260 self.items
3261 .iter()
3262 .enumerate()
3263 .filter_map(|(index, item)| {
3264 if self.is_tab_pinned(index) {
3265 return Some(item.item_id());
3266 }
3267
3268 None
3269 })
3270 .collect()
3271 }
3272
3273 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
3274 self.items()
3275 .filter_map(|item| {
3276 if !item.is_dirty(cx) {
3277 return Some(item.item_id());
3278 }
3279
3280 None
3281 })
3282 .collect()
3283 }
3284
3285 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
3286 match side {
3287 Side::Left => self
3288 .items()
3289 .take_while(|item| item.item_id() != item_id)
3290 .map(|item| item.item_id())
3291 .collect(),
3292 Side::Right => self
3293 .items()
3294 .rev()
3295 .take_while(|item| item.item_id() != item_id)
3296 .map(|item| item.item_id())
3297 .collect(),
3298 }
3299 }
3300
3301 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
3302 self.drag_split_direction
3303 }
3304
3305 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
3306 self.zoom_out_on_close = zoom_out_on_close;
3307 }
3308}
3309
3310fn default_render_tab_bar_buttons(
3311 pane: &mut Pane,
3312 window: &mut Window,
3313 cx: &mut Context<Pane>,
3314) -> (Option<AnyElement>, Option<AnyElement>) {
3315 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
3316 return (None, None);
3317 }
3318 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
3319 // `end_slot`, but due to needing a view here that isn't possible.
3320 let right_children = h_flex()
3321 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
3322 .gap(DynamicSpacing::Base04.rems(cx))
3323 .child(
3324 PopoverMenu::new("pane-tab-bar-popover-menu")
3325 .trigger_with_tooltip(
3326 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
3327 Tooltip::text("New..."),
3328 )
3329 .anchor(Corner::TopRight)
3330 .with_handle(pane.new_item_context_menu_handle.clone())
3331 .menu(move |window, cx| {
3332 Some(ContextMenu::build(window, cx, |menu, _, _| {
3333 menu.action("New File", NewFile.boxed_clone())
3334 .action("Open File", ToggleFileFinder::default().boxed_clone())
3335 .separator()
3336 .action(
3337 "Search Project",
3338 DeploySearch {
3339 replace_enabled: false,
3340 included_files: None,
3341 excluded_files: None,
3342 }
3343 .boxed_clone(),
3344 )
3345 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
3346 .separator()
3347 .action("New Terminal", NewTerminal.boxed_clone())
3348 }))
3349 }),
3350 )
3351 .child(
3352 PopoverMenu::new("pane-tab-bar-split")
3353 .trigger_with_tooltip(
3354 IconButton::new("split", IconName::Split).icon_size(IconSize::Small),
3355 Tooltip::text("Split Pane"),
3356 )
3357 .anchor(Corner::TopRight)
3358 .with_handle(pane.split_item_context_menu_handle.clone())
3359 .menu(move |window, cx| {
3360 ContextMenu::build(window, cx, |menu, _, _| {
3361 menu.action("Split Right", SplitRight.boxed_clone())
3362 .action("Split Left", SplitLeft.boxed_clone())
3363 .action("Split Up", SplitUp.boxed_clone())
3364 .action("Split Down", SplitDown.boxed_clone())
3365 })
3366 .into()
3367 }),
3368 )
3369 .child({
3370 let zoomed = pane.is_zoomed();
3371 IconButton::new("toggle_zoom", IconName::Maximize)
3372 .icon_size(IconSize::Small)
3373 .toggle_state(zoomed)
3374 .selected_icon(IconName::Minimize)
3375 .on_click(cx.listener(|pane, _, window, cx| {
3376 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
3377 }))
3378 .tooltip(move |window, cx| {
3379 Tooltip::for_action(
3380 if zoomed { "Zoom Out" } else { "Zoom In" },
3381 &ToggleZoom,
3382 window,
3383 cx,
3384 )
3385 })
3386 })
3387 .into_any_element()
3388 .into();
3389 (None, right_children)
3390}
3391
3392impl Focusable for Pane {
3393 fn focus_handle(&self, _cx: &App) -> FocusHandle {
3394 self.focus_handle.clone()
3395 }
3396}
3397
3398impl Render for Pane {
3399 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3400 let mut key_context = KeyContext::new_with_defaults();
3401 key_context.add("Pane");
3402 if self.active_item().is_none() {
3403 key_context.add("EmptyPane");
3404 }
3405
3406 let should_display_tab_bar = self.should_display_tab_bar.clone();
3407 let display_tab_bar = should_display_tab_bar(window, cx);
3408 let Some(project) = self.project.upgrade() else {
3409 return div().track_focus(&self.focus_handle(cx));
3410 };
3411 let is_local = project.read(cx).is_local();
3412
3413 v_flex()
3414 .key_context(key_context)
3415 .track_focus(&self.focus_handle(cx))
3416 .size_full()
3417 .flex_none()
3418 .overflow_hidden()
3419 .on_action(cx.listener(|pane, _: &AlternateFile, window, cx| {
3420 pane.alternate_file(window, cx);
3421 }))
3422 .on_action(
3423 cx.listener(|pane, _: &SplitLeft, _, cx| pane.split(SplitDirection::Left, cx)),
3424 )
3425 .on_action(cx.listener(|pane, _: &SplitUp, _, cx| pane.split(SplitDirection::Up, cx)))
3426 .on_action(cx.listener(|pane, _: &SplitHorizontal, _, cx| {
3427 pane.split(SplitDirection::horizontal(cx), cx)
3428 }))
3429 .on_action(cx.listener(|pane, _: &SplitVertical, _, cx| {
3430 pane.split(SplitDirection::vertical(cx), cx)
3431 }))
3432 .on_action(
3433 cx.listener(|pane, _: &SplitRight, _, cx| pane.split(SplitDirection::Right, cx)),
3434 )
3435 .on_action(
3436 cx.listener(|pane, _: &SplitDown, _, cx| pane.split(SplitDirection::Down, cx)),
3437 )
3438 .on_action(
3439 cx.listener(|pane, _: &GoBack, window, cx| pane.navigate_backward(window, cx)),
3440 )
3441 .on_action(
3442 cx.listener(|pane, _: &GoForward, window, cx| pane.navigate_forward(window, cx)),
3443 )
3444 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
3445 cx.emit(Event::JoinIntoNext);
3446 }))
3447 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
3448 cx.emit(Event::JoinAll);
3449 }))
3450 .on_action(cx.listener(Pane::toggle_zoom))
3451 .on_action(
3452 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
3453 pane.activate_item(
3454 action.0.min(pane.items.len().saturating_sub(1)),
3455 true,
3456 true,
3457 window,
3458 cx,
3459 );
3460 }),
3461 )
3462 .on_action(
3463 cx.listener(|pane: &mut Pane, _: &ActivateLastItem, window, cx| {
3464 pane.activate_item(pane.items.len().saturating_sub(1), true, true, window, cx);
3465 }),
3466 )
3467 .on_action(
3468 cx.listener(|pane: &mut Pane, _: &ActivatePreviousItem, window, cx| {
3469 pane.activate_prev_item(true, window, cx);
3470 }),
3471 )
3472 .on_action(
3473 cx.listener(|pane: &mut Pane, _: &ActivateNextItem, window, cx| {
3474 pane.activate_next_item(true, window, cx);
3475 }),
3476 )
3477 .on_action(
3478 cx.listener(|pane, _: &SwapItemLeft, window, cx| pane.swap_item_left(window, cx)),
3479 )
3480 .on_action(
3481 cx.listener(|pane, _: &SwapItemRight, window, cx| pane.swap_item_right(window, cx)),
3482 )
3483 .on_action(cx.listener(|pane, action, window, cx| {
3484 pane.toggle_pin_tab(action, window, cx);
3485 }))
3486 .on_action(cx.listener(|pane, action, window, cx| {
3487 pane.unpin_all_tabs(action, window, cx);
3488 }))
3489 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
3490 this.on_action(cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, _, cx| {
3491 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
3492 if pane.is_active_preview_item(active_item_id) {
3493 pane.set_preview_item_id(None, cx);
3494 } else {
3495 pane.set_preview_item_id(Some(active_item_id), cx);
3496 }
3497 }
3498 }))
3499 })
3500 .on_action(
3501 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
3502 pane.close_active_item(action, window, cx)
3503 .detach_and_log_err(cx)
3504 }),
3505 )
3506 .on_action(
3507 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, window, cx| {
3508 pane.close_inactive_items(action, window, cx)
3509 .detach_and_log_err(cx);
3510 }),
3511 )
3512 .on_action(
3513 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
3514 pane.close_clean_items(action, window, cx)
3515 .detach_and_log_err(cx)
3516 }),
3517 )
3518 .on_action(cx.listener(
3519 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
3520 pane.close_items_to_the_left_by_id(None, action, window, cx)
3521 .detach_and_log_err(cx)
3522 },
3523 ))
3524 .on_action(cx.listener(
3525 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
3526 pane.close_items_to_the_right_by_id(None, action, window, cx)
3527 .detach_and_log_err(cx)
3528 },
3529 ))
3530 .on_action(
3531 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
3532 pane.close_all_items(action, window, cx)
3533 .detach_and_log_err(cx)
3534 }),
3535 )
3536 .on_action(
3537 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, _, cx| {
3538 let entry_id = action
3539 .entry_id
3540 .map(ProjectEntryId::from_proto)
3541 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
3542 if let Some(entry_id) = entry_id {
3543 pane.project
3544 .update(cx, |_, cx| {
3545 cx.emit(project::Event::RevealInProjectPanel(entry_id))
3546 })
3547 .ok();
3548 }
3549 }),
3550 )
3551 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
3552 if cx.stop_active_drag(window) {
3553 return;
3554 } else {
3555 cx.propagate();
3556 }
3557 }))
3558 .when(self.active_item().is_some() && display_tab_bar, |pane| {
3559 pane.child((self.render_tab_bar.clone())(self, window, cx))
3560 })
3561 .child({
3562 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
3563 // main content
3564 div()
3565 .flex_1()
3566 .relative()
3567 .group("")
3568 .overflow_hidden()
3569 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
3570 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
3571 .when(is_local, |div| {
3572 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
3573 })
3574 .map(|div| {
3575 if let Some(item) = self.active_item() {
3576 div.id("pane_placeholder")
3577 .v_flex()
3578 .size_full()
3579 .overflow_hidden()
3580 .child(self.toolbar.clone())
3581 .child(item.to_any())
3582 } else {
3583 let placeholder = div
3584 .id("pane_placeholder")
3585 .h_flex()
3586 .size_full()
3587 .justify_center()
3588 .on_click(cx.listener(
3589 move |this, event: &ClickEvent, window, cx| {
3590 if event.up.click_count == 2 {
3591 window.dispatch_action(
3592 this.double_click_dispatch_action.boxed_clone(),
3593 cx,
3594 );
3595 }
3596 },
3597 ));
3598 if has_worktrees {
3599 placeholder
3600 } else {
3601 placeholder.child(
3602 Label::new("Open a file or project to get started.")
3603 .color(Color::Muted),
3604 )
3605 }
3606 }
3607 })
3608 .child(
3609 // drag target
3610 div()
3611 .invisible()
3612 .absolute()
3613 .bg(cx.theme().colors().drop_target_background)
3614 .group_drag_over::<DraggedTab>("", |style| style.visible())
3615 .group_drag_over::<DraggedSelection>("", |style| style.visible())
3616 .when(is_local, |div| {
3617 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
3618 })
3619 .when_some(self.can_drop_predicate.clone(), |this, p| {
3620 this.can_drop(move |a, window, cx| p(a, window, cx))
3621 })
3622 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
3623 this.handle_tab_drop(
3624 dragged_tab,
3625 this.active_item_index(),
3626 window,
3627 cx,
3628 )
3629 }))
3630 .on_drop(cx.listener(
3631 move |this, selection: &DraggedSelection, window, cx| {
3632 this.handle_dragged_selection_drop(selection, None, window, cx)
3633 },
3634 ))
3635 .on_drop(cx.listener(move |this, paths, window, cx| {
3636 this.handle_external_paths_drop(paths, window, cx)
3637 }))
3638 .map(|div| {
3639 let size = DefiniteLength::Fraction(0.5);
3640 match self.drag_split_direction {
3641 None => div.top_0().right_0().bottom_0().left_0(),
3642 Some(SplitDirection::Up) => {
3643 div.top_0().left_0().right_0().h(size)
3644 }
3645 Some(SplitDirection::Down) => {
3646 div.left_0().bottom_0().right_0().h(size)
3647 }
3648 Some(SplitDirection::Left) => {
3649 div.top_0().left_0().bottom_0().w(size)
3650 }
3651 Some(SplitDirection::Right) => {
3652 div.top_0().bottom_0().right_0().w(size)
3653 }
3654 }
3655 }),
3656 )
3657 })
3658 .on_mouse_down(
3659 MouseButton::Navigate(NavigationDirection::Back),
3660 cx.listener(|pane, _, window, cx| {
3661 if let Some(workspace) = pane.workspace.upgrade() {
3662 let pane = cx.entity().downgrade();
3663 window.defer(cx, move |window, cx| {
3664 workspace.update(cx, |workspace, cx| {
3665 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
3666 })
3667 })
3668 }
3669 }),
3670 )
3671 .on_mouse_down(
3672 MouseButton::Navigate(NavigationDirection::Forward),
3673 cx.listener(|pane, _, window, cx| {
3674 if let Some(workspace) = pane.workspace.upgrade() {
3675 let pane = cx.entity().downgrade();
3676 window.defer(cx, move |window, cx| {
3677 workspace.update(cx, |workspace, cx| {
3678 workspace
3679 .go_forward(pane, window, cx)
3680 .detach_and_log_err(cx)
3681 })
3682 })
3683 }
3684 }),
3685 )
3686 }
3687}
3688
3689impl ItemNavHistory {
3690 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut App) {
3691 if self
3692 .item
3693 .upgrade()
3694 .is_some_and(|item| item.include_in_nav_history())
3695 {
3696 self.history
3697 .push(data, self.item.clone(), self.is_preview, cx);
3698 }
3699 }
3700
3701 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
3702 self.history.pop(NavigationMode::GoingBack, cx)
3703 }
3704
3705 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
3706 self.history.pop(NavigationMode::GoingForward, cx)
3707 }
3708}
3709
3710impl NavHistory {
3711 pub fn for_each_entry(
3712 &self,
3713 cx: &App,
3714 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
3715 ) {
3716 let borrowed_history = self.0.lock();
3717 borrowed_history
3718 .forward_stack
3719 .iter()
3720 .chain(borrowed_history.backward_stack.iter())
3721 .chain(borrowed_history.closed_stack.iter())
3722 .for_each(|entry| {
3723 if let Some(project_and_abs_path) =
3724 borrowed_history.paths_by_item.get(&entry.item.id())
3725 {
3726 f(entry, project_and_abs_path.clone());
3727 } else if let Some(item) = entry.item.upgrade() {
3728 if let Some(path) = item.project_path(cx) {
3729 f(entry, (path, None));
3730 }
3731 }
3732 })
3733 }
3734
3735 pub fn set_mode(&mut self, mode: NavigationMode) {
3736 self.0.lock().mode = mode;
3737 }
3738
3739 pub fn mode(&self) -> NavigationMode {
3740 self.0.lock().mode
3741 }
3742
3743 pub fn disable(&mut self) {
3744 self.0.lock().mode = NavigationMode::Disabled;
3745 }
3746
3747 pub fn enable(&mut self) {
3748 self.0.lock().mode = NavigationMode::Normal;
3749 }
3750
3751 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
3752 let mut state = self.0.lock();
3753 let entry = match mode {
3754 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
3755 return None;
3756 }
3757 NavigationMode::GoingBack => &mut state.backward_stack,
3758 NavigationMode::GoingForward => &mut state.forward_stack,
3759 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
3760 }
3761 .pop_back();
3762 if entry.is_some() {
3763 state.did_update(cx);
3764 }
3765 entry
3766 }
3767
3768 pub fn push<D: 'static + Send + Any>(
3769 &mut self,
3770 data: Option<D>,
3771 item: Arc<dyn WeakItemHandle>,
3772 is_preview: bool,
3773 cx: &mut App,
3774 ) {
3775 let state = &mut *self.0.lock();
3776 match state.mode {
3777 NavigationMode::Disabled => {}
3778 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
3779 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
3780 state.backward_stack.pop_front();
3781 }
3782 state.backward_stack.push_back(NavigationEntry {
3783 item,
3784 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
3785 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
3786 is_preview,
3787 });
3788 state.forward_stack.clear();
3789 }
3790 NavigationMode::GoingBack => {
3791 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
3792 state.forward_stack.pop_front();
3793 }
3794 state.forward_stack.push_back(NavigationEntry {
3795 item,
3796 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
3797 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
3798 is_preview,
3799 });
3800 }
3801 NavigationMode::GoingForward => {
3802 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
3803 state.backward_stack.pop_front();
3804 }
3805 state.backward_stack.push_back(NavigationEntry {
3806 item,
3807 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
3808 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
3809 is_preview,
3810 });
3811 }
3812 NavigationMode::ClosingItem => {
3813 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
3814 state.closed_stack.pop_front();
3815 }
3816 state.closed_stack.push_back(NavigationEntry {
3817 item,
3818 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
3819 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
3820 is_preview,
3821 });
3822 }
3823 }
3824 state.did_update(cx);
3825 }
3826
3827 pub fn remove_item(&mut self, item_id: EntityId) {
3828 let mut state = self.0.lock();
3829 state.paths_by_item.remove(&item_id);
3830 state
3831 .backward_stack
3832 .retain(|entry| entry.item.id() != item_id);
3833 state
3834 .forward_stack
3835 .retain(|entry| entry.item.id() != item_id);
3836 state
3837 .closed_stack
3838 .retain(|entry| entry.item.id() != item_id);
3839 }
3840
3841 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
3842 self.0.lock().paths_by_item.get(&item_id).cloned()
3843 }
3844}
3845
3846impl NavHistoryState {
3847 pub fn did_update(&self, cx: &mut App) {
3848 if let Some(pane) = self.pane.upgrade() {
3849 cx.defer(move |cx| {
3850 pane.update(cx, |pane, cx| pane.history_updated(cx));
3851 });
3852 }
3853 }
3854}
3855
3856fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
3857 let path = buffer_path
3858 .as_ref()
3859 .and_then(|p| {
3860 p.path
3861 .to_str()
3862 .and_then(|s| if s.is_empty() { None } else { Some(s) })
3863 })
3864 .unwrap_or("This buffer");
3865 let path = truncate_and_remove_front(path, 80);
3866 format!("{path} contains unsaved edits. Do you want to save it?")
3867}
3868
3869pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
3870 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
3871 let mut tab_descriptions = HashMap::default();
3872 let mut done = false;
3873 while !done {
3874 done = true;
3875
3876 // Store item indices by their tab description.
3877 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
3878 let description = item.tab_content_text(*detail, cx);
3879 if *detail == 0 || description != item.tab_content_text(detail - 1, cx) {
3880 tab_descriptions
3881 .entry(description)
3882 .or_insert(Vec::new())
3883 .push(ix);
3884 }
3885 }
3886
3887 // If two or more items have the same tab description, increase their level
3888 // of detail and try again.
3889 for (_, item_ixs) in tab_descriptions.drain() {
3890 if item_ixs.len() > 1 {
3891 done = false;
3892 for ix in item_ixs {
3893 tab_details[ix] += 1;
3894 }
3895 }
3896 }
3897 }
3898
3899 tab_details
3900}
3901
3902pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &App) -> Option<Indicator> {
3903 maybe!({
3904 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
3905 (true, _) => Color::Warning,
3906 (_, true) => Color::Accent,
3907 (false, false) => return None,
3908 };
3909
3910 Some(Indicator::dot().color(indicator_color))
3911 })
3912}
3913
3914impl Render for DraggedTab {
3915 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3916 let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
3917 let label = self.item.tab_content(
3918 TabContentParams {
3919 detail: Some(self.detail),
3920 selected: false,
3921 preview: false,
3922 deemphasized: false,
3923 },
3924 window,
3925 cx,
3926 );
3927 Tab::new("")
3928 .toggle_state(self.is_active)
3929 .child(label)
3930 .render(window, cx)
3931 .font(ui_font)
3932 }
3933}
3934
3935#[cfg(test)]
3936mod tests {
3937 use std::num::NonZero;
3938
3939 use super::*;
3940 use crate::item::test::{TestItem, TestProjectItem};
3941 use gpui::{TestAppContext, VisualTestContext};
3942 use project::FakeFs;
3943 use settings::SettingsStore;
3944 use theme::LoadThemes;
3945 use util::TryFutureExt;
3946
3947 #[gpui::test]
3948 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
3949 init_test(cx);
3950 let fs = FakeFs::new(cx.executor());
3951
3952 let project = Project::test(fs, None, cx).await;
3953 let (workspace, cx) =
3954 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
3955 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3956
3957 for i in 0..7 {
3958 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
3959 }
3960
3961 set_max_tabs(cx, Some(5));
3962 add_labeled_item(&pane, "7", false, cx);
3963 // Remove items to respect the max tab cap.
3964 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
3965 pane.update_in(cx, |pane, window, cx| {
3966 pane.activate_item(0, false, false, window, cx);
3967 });
3968 add_labeled_item(&pane, "X", false, cx);
3969 // Respect activation order.
3970 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
3971
3972 for i in 0..7 {
3973 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
3974 }
3975 // Keeps dirty items, even over max tab cap.
3976 assert_item_labels(
3977 &pane,
3978 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
3979 cx,
3980 );
3981
3982 set_max_tabs(cx, None);
3983 for i in 0..7 {
3984 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
3985 }
3986 // No cap when max tabs is None.
3987 assert_item_labels(
3988 &pane,
3989 [
3990 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
3991 "N5", "N6*",
3992 ],
3993 cx,
3994 );
3995 }
3996
3997 #[gpui::test]
3998 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
3999 init_test(cx);
4000 let fs = FakeFs::new(cx.executor());
4001
4002 let project = Project::test(fs, None, cx).await;
4003 let (workspace, cx) =
4004 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4005 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4006
4007 add_labeled_item(&pane, "A", false, cx);
4008 add_labeled_item(&pane, "B", false, cx);
4009 let item_c = add_labeled_item(&pane, "C", false, cx);
4010 let item_d = add_labeled_item(&pane, "D", false, cx);
4011 add_labeled_item(&pane, "E", false, cx);
4012 add_labeled_item(&pane, "Settings", false, cx);
4013 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
4014
4015 set_max_tabs(cx, Some(5));
4016 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
4017
4018 set_max_tabs(cx, Some(4));
4019 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
4020
4021 pane.update_in(cx, |pane, window, cx| {
4022 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4023 pane.pin_tab_at(ix, window, cx);
4024
4025 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
4026 pane.pin_tab_at(ix, window, cx);
4027 });
4028 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
4029
4030 set_max_tabs(cx, Some(2));
4031 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
4032 }
4033
4034 #[gpui::test]
4035 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4036 init_test(cx);
4037 let fs = FakeFs::new(cx.executor());
4038
4039 let project = Project::test(fs, None, cx).await;
4040 let (workspace, cx) =
4041 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4042 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4043
4044 set_max_tabs(cx, Some(1));
4045 let item_a = add_labeled_item(&pane, "A", true, cx);
4046
4047 pane.update_in(cx, |pane, window, cx| {
4048 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4049 pane.pin_tab_at(ix, window, cx);
4050 });
4051 assert_item_labels(&pane, ["A*^!"], cx);
4052 }
4053
4054 #[gpui::test]
4055 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4056 init_test(cx);
4057 let fs = FakeFs::new(cx.executor());
4058
4059 let project = Project::test(fs, None, cx).await;
4060 let (workspace, cx) =
4061 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4062 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4063
4064 set_max_tabs(cx, Some(1));
4065 let item_a = add_labeled_item(&pane, "A", false, cx);
4066
4067 pane.update_in(cx, |pane, window, cx| {
4068 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4069 pane.pin_tab_at(ix, window, cx);
4070 });
4071 assert_item_labels(&pane, ["A*!"], cx);
4072 }
4073
4074 #[gpui::test]
4075 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
4076 init_test(cx);
4077 let fs = FakeFs::new(cx.executor());
4078
4079 let project = Project::test(fs, None, cx).await;
4080 let (workspace, cx) =
4081 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4082 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4083
4084 set_max_tabs(cx, Some(3));
4085
4086 let item_a = add_labeled_item(&pane, "A", false, cx);
4087 assert_item_labels(&pane, ["A*"], cx);
4088
4089 pane.update_in(cx, |pane, window, cx| {
4090 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4091 pane.pin_tab_at(ix, window, cx);
4092 });
4093 assert_item_labels(&pane, ["A*!"], cx);
4094
4095 let item_b = add_labeled_item(&pane, "B", false, cx);
4096 assert_item_labels(&pane, ["A!", "B*"], cx);
4097
4098 pane.update_in(cx, |pane, window, cx| {
4099 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4100 pane.pin_tab_at(ix, window, cx);
4101 });
4102 assert_item_labels(&pane, ["A!", "B*!"], cx);
4103
4104 let item_c = add_labeled_item(&pane, "C", false, cx);
4105 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
4106
4107 pane.update_in(cx, |pane, window, cx| {
4108 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4109 pane.pin_tab_at(ix, window, cx);
4110 });
4111 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
4112 }
4113
4114 #[gpui::test]
4115 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
4116 init_test(cx);
4117 let fs = FakeFs::new(cx.executor());
4118
4119 let project = Project::test(fs, None, cx).await;
4120 let (workspace, cx) =
4121 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4122 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4123
4124 set_max_tabs(cx, Some(3));
4125
4126 let item_a = add_labeled_item(&pane, "A", false, cx);
4127 assert_item_labels(&pane, ["A*"], cx);
4128
4129 let item_b = add_labeled_item(&pane, "B", false, cx);
4130 assert_item_labels(&pane, ["A", "B*"], cx);
4131
4132 let item_c = add_labeled_item(&pane, "C", false, cx);
4133 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4134
4135 pane.update_in(cx, |pane, window, cx| {
4136 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4137 pane.pin_tab_at(ix, window, cx);
4138 });
4139 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
4140
4141 pane.update_in(cx, |pane, window, cx| {
4142 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4143 pane.pin_tab_at(ix, window, cx);
4144 });
4145 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
4146
4147 pane.update_in(cx, |pane, window, cx| {
4148 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4149 pane.pin_tab_at(ix, window, cx);
4150 });
4151 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
4152 }
4153
4154 #[gpui::test]
4155 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
4156 init_test(cx);
4157 let fs = FakeFs::new(cx.executor());
4158
4159 let project = Project::test(fs, None, cx).await;
4160 let (workspace, cx) =
4161 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4162 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4163
4164 set_max_tabs(cx, Some(3));
4165
4166 let item_a = add_labeled_item(&pane, "A", false, cx);
4167 assert_item_labels(&pane, ["A*"], cx);
4168
4169 let item_b = add_labeled_item(&pane, "B", false, cx);
4170 assert_item_labels(&pane, ["A", "B*"], cx);
4171
4172 let item_c = add_labeled_item(&pane, "C", false, cx);
4173 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4174
4175 pane.update_in(cx, |pane, window, cx| {
4176 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4177 pane.pin_tab_at(ix, window, cx);
4178 });
4179 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
4180
4181 pane.update_in(cx, |pane, window, cx| {
4182 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4183 pane.pin_tab_at(ix, window, cx);
4184 });
4185 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
4186
4187 pane.update_in(cx, |pane, window, cx| {
4188 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4189 pane.pin_tab_at(ix, window, cx);
4190 });
4191 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
4192 }
4193
4194 #[gpui::test]
4195 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
4196 init_test(cx);
4197 let fs = FakeFs::new(cx.executor());
4198
4199 let project = Project::test(fs, None, cx).await;
4200 let (workspace, cx) =
4201 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4202 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4203
4204 let item_a = add_labeled_item(&pane, "A", false, cx);
4205 pane.update_in(cx, |pane, window, cx| {
4206 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4207 pane.pin_tab_at(ix, window, cx);
4208 });
4209
4210 let item_b = add_labeled_item(&pane, "B", false, cx);
4211 pane.update_in(cx, |pane, window, cx| {
4212 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4213 pane.pin_tab_at(ix, window, cx);
4214 });
4215
4216 add_labeled_item(&pane, "C", false, cx);
4217 add_labeled_item(&pane, "D", false, cx);
4218 add_labeled_item(&pane, "E", false, cx);
4219 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
4220
4221 set_max_tabs(cx, Some(3));
4222 add_labeled_item(&pane, "F", false, cx);
4223 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
4224
4225 add_labeled_item(&pane, "G", false, cx);
4226 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
4227
4228 add_labeled_item(&pane, "H", false, cx);
4229 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
4230 }
4231
4232 #[gpui::test]
4233 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
4234 cx: &mut TestAppContext,
4235 ) {
4236 init_test(cx);
4237 let fs = FakeFs::new(cx.executor());
4238
4239 let project = Project::test(fs, None, cx).await;
4240 let (workspace, cx) =
4241 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4242 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4243
4244 set_max_tabs(cx, Some(3));
4245
4246 let item_a = add_labeled_item(&pane, "A", false, cx);
4247 pane.update_in(cx, |pane, window, cx| {
4248 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4249 pane.pin_tab_at(ix, window, cx);
4250 });
4251
4252 let item_b = add_labeled_item(&pane, "B", false, cx);
4253 pane.update_in(cx, |pane, window, cx| {
4254 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4255 pane.pin_tab_at(ix, window, cx);
4256 });
4257
4258 let item_c = add_labeled_item(&pane, "C", false, cx);
4259 pane.update_in(cx, |pane, window, cx| {
4260 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4261 pane.pin_tab_at(ix, window, cx);
4262 });
4263
4264 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
4265
4266 let item_d = add_labeled_item(&pane, "D", false, cx);
4267 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
4268
4269 pane.update_in(cx, |pane, window, cx| {
4270 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
4271 pane.pin_tab_at(ix, window, cx);
4272 });
4273 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
4274
4275 add_labeled_item(&pane, "E", false, cx);
4276 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
4277
4278 add_labeled_item(&pane, "F", false, cx);
4279 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
4280 }
4281
4282 #[gpui::test]
4283 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
4284 init_test(cx);
4285 let fs = FakeFs::new(cx.executor());
4286
4287 let project = Project::test(fs, None, cx).await;
4288 let (workspace, cx) =
4289 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4290 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4291
4292 set_max_tabs(cx, Some(3));
4293
4294 add_labeled_item(&pane, "A", true, cx);
4295 assert_item_labels(&pane, ["A*^"], cx);
4296
4297 add_labeled_item(&pane, "B", true, cx);
4298 assert_item_labels(&pane, ["A^", "B*^"], cx);
4299
4300 add_labeled_item(&pane, "C", true, cx);
4301 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
4302
4303 add_labeled_item(&pane, "D", false, cx);
4304 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
4305
4306 add_labeled_item(&pane, "E", false, cx);
4307 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
4308
4309 add_labeled_item(&pane, "F", false, cx);
4310 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
4311
4312 add_labeled_item(&pane, "G", true, cx);
4313 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
4314 }
4315
4316 #[gpui::test]
4317 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
4318 init_test(cx);
4319 let fs = FakeFs::new(cx.executor());
4320
4321 let project = Project::test(fs, None, cx).await;
4322 let (workspace, cx) =
4323 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4324 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4325
4326 set_labeled_items(&pane, ["A", "B*", "C"], cx);
4327 assert_item_labels(&pane, ["A", "B*", "C"], cx);
4328
4329 pane.update_in(cx, |pane, window, cx| {
4330 pane.toggle_pin_tab(&TogglePinTab, window, cx);
4331 });
4332 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
4333
4334 pane.update_in(cx, |pane, window, cx| {
4335 pane.toggle_pin_tab(&TogglePinTab, window, cx);
4336 });
4337 assert_item_labels(&pane, ["B*", "A", "C"], cx);
4338 }
4339
4340 #[gpui::test]
4341 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
4342 init_test(cx);
4343 let fs = FakeFs::new(cx.executor());
4344
4345 let project = Project::test(fs, None, cx).await;
4346 let (workspace, cx) =
4347 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4348 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4349
4350 // Unpin all, in an empty pane
4351 pane.update_in(cx, |pane, window, cx| {
4352 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
4353 });
4354
4355 assert_item_labels(&pane, [], cx);
4356
4357 let item_a = add_labeled_item(&pane, "A", false, cx);
4358 let item_b = add_labeled_item(&pane, "B", false, cx);
4359 let item_c = add_labeled_item(&pane, "C", false, cx);
4360 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4361
4362 // Unpin all, when no tabs are pinned
4363 pane.update_in(cx, |pane, window, cx| {
4364 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
4365 });
4366
4367 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4368
4369 // Pin inactive tabs only
4370 pane.update_in(cx, |pane, window, cx| {
4371 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4372 pane.pin_tab_at(ix, window, cx);
4373
4374 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4375 pane.pin_tab_at(ix, window, cx);
4376 });
4377 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
4378
4379 pane.update_in(cx, |pane, window, cx| {
4380 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
4381 });
4382
4383 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4384
4385 // Pin all tabs
4386 pane.update_in(cx, |pane, window, cx| {
4387 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4388 pane.pin_tab_at(ix, window, cx);
4389
4390 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4391 pane.pin_tab_at(ix, window, cx);
4392
4393 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4394 pane.pin_tab_at(ix, window, cx);
4395 });
4396 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
4397
4398 // Activate middle tab
4399 pane.update_in(cx, |pane, window, cx| {
4400 pane.activate_item(1, false, false, window, cx);
4401 });
4402 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
4403
4404 pane.update_in(cx, |pane, window, cx| {
4405 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
4406 });
4407
4408 // Order has not changed
4409 assert_item_labels(&pane, ["A", "B*", "C"], cx);
4410 }
4411
4412 #[gpui::test]
4413 async fn test_pinning_active_tab_without_position_change_maintains_focus(
4414 cx: &mut TestAppContext,
4415 ) {
4416 init_test(cx);
4417 let fs = FakeFs::new(cx.executor());
4418
4419 let project = Project::test(fs, None, cx).await;
4420 let (workspace, cx) =
4421 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4422 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4423
4424 // Add A
4425 let item_a = add_labeled_item(&pane, "A", false, cx);
4426 assert_item_labels(&pane, ["A*"], cx);
4427
4428 // Add B
4429 add_labeled_item(&pane, "B", false, cx);
4430 assert_item_labels(&pane, ["A", "B*"], cx);
4431
4432 // Activate A again
4433 pane.update_in(cx, |pane, window, cx| {
4434 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4435 pane.activate_item(ix, true, true, window, cx);
4436 });
4437 assert_item_labels(&pane, ["A*", "B"], cx);
4438
4439 // Pin A - remains active
4440 pane.update_in(cx, |pane, window, cx| {
4441 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4442 pane.pin_tab_at(ix, window, cx);
4443 });
4444 assert_item_labels(&pane, ["A*!", "B"], cx);
4445
4446 // Unpin A - remain active
4447 pane.update_in(cx, |pane, window, cx| {
4448 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4449 pane.unpin_tab_at(ix, window, cx);
4450 });
4451 assert_item_labels(&pane, ["A*", "B"], cx);
4452 }
4453
4454 #[gpui::test]
4455 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
4456 init_test(cx);
4457 let fs = FakeFs::new(cx.executor());
4458
4459 let project = Project::test(fs, None, cx).await;
4460 let (workspace, cx) =
4461 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4462 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4463
4464 // Add A, B, C
4465 add_labeled_item(&pane, "A", false, cx);
4466 add_labeled_item(&pane, "B", false, cx);
4467 let item_c = add_labeled_item(&pane, "C", false, cx);
4468 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4469
4470 // Pin C - moves to pinned area, remains active
4471 pane.update_in(cx, |pane, window, cx| {
4472 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4473 pane.pin_tab_at(ix, window, cx);
4474 });
4475 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
4476
4477 // Unpin C - moves after pinned area, remains active
4478 pane.update_in(cx, |pane, window, cx| {
4479 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4480 pane.unpin_tab_at(ix, window, cx);
4481 });
4482 assert_item_labels(&pane, ["C*", "A", "B"], cx);
4483 }
4484
4485 #[gpui::test]
4486 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
4487 cx: &mut TestAppContext,
4488 ) {
4489 init_test(cx);
4490 let fs = FakeFs::new(cx.executor());
4491
4492 let project = Project::test(fs, None, cx).await;
4493 let (workspace, cx) =
4494 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4495 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4496
4497 // Add A, B
4498 let item_a = add_labeled_item(&pane, "A", false, cx);
4499 add_labeled_item(&pane, "B", false, cx);
4500 assert_item_labels(&pane, ["A", "B*"], cx);
4501
4502 // Pin A - already in pinned area, B remains active
4503 pane.update_in(cx, |pane, window, cx| {
4504 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4505 pane.pin_tab_at(ix, window, cx);
4506 });
4507 assert_item_labels(&pane, ["A!", "B*"], cx);
4508
4509 // Unpin A - stays in place, B remains active
4510 pane.update_in(cx, |pane, window, cx| {
4511 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4512 pane.unpin_tab_at(ix, window, cx);
4513 });
4514 assert_item_labels(&pane, ["A", "B*"], cx);
4515 }
4516
4517 #[gpui::test]
4518 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
4519 cx: &mut TestAppContext,
4520 ) {
4521 init_test(cx);
4522 let fs = FakeFs::new(cx.executor());
4523
4524 let project = Project::test(fs, None, cx).await;
4525 let (workspace, cx) =
4526 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4527 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4528
4529 // Add A, B, C
4530 add_labeled_item(&pane, "A", false, cx);
4531 let item_b = add_labeled_item(&pane, "B", false, cx);
4532 let item_c = add_labeled_item(&pane, "C", false, cx);
4533 assert_item_labels(&pane, ["A", "B", "C*"], cx);
4534
4535 // Activate B
4536 pane.update_in(cx, |pane, window, cx| {
4537 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4538 pane.activate_item(ix, true, true, window, cx);
4539 });
4540 assert_item_labels(&pane, ["A", "B*", "C"], cx);
4541
4542 // Pin C - moves to pinned area, B remains active
4543 pane.update_in(cx, |pane, window, cx| {
4544 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4545 pane.pin_tab_at(ix, window, cx);
4546 });
4547 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
4548
4549 // Unpin C - moves after pinned area, B remains active
4550 pane.update_in(cx, |pane, window, cx| {
4551 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4552 pane.unpin_tab_at(ix, window, cx);
4553 });
4554 assert_item_labels(&pane, ["C", "A", "B*"], cx);
4555 }
4556
4557 #[gpui::test]
4558 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
4559 cx: &mut TestAppContext,
4560 ) {
4561 init_test(cx);
4562 let fs = FakeFs::new(cx.executor());
4563
4564 let project = Project::test(fs, None, cx).await;
4565 let (workspace, cx) =
4566 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4567 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4568
4569 // Add A, B. Pin B. Activate A
4570 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4571 let item_b = add_labeled_item(&pane_a, "B", false, cx);
4572
4573 pane_a.update_in(cx, |pane, window, cx| {
4574 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4575 pane.pin_tab_at(ix, window, cx);
4576
4577 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4578 pane.activate_item(ix, true, true, window, cx);
4579 });
4580
4581 // Drag A to create new split
4582 pane_a.update_in(cx, |pane, window, cx| {
4583 pane.drag_split_direction = Some(SplitDirection::Right);
4584
4585 let dragged_tab = DraggedTab {
4586 pane: pane_a.clone(),
4587 item: item_a.boxed_clone(),
4588 ix: 0,
4589 detail: 0,
4590 is_active: true,
4591 };
4592 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4593 });
4594
4595 // A should be moved to new pane. B should remain pinned, A should not be pinned
4596 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
4597 let panes = workspace.panes();
4598 (panes[0].clone(), panes[1].clone())
4599 });
4600 assert_item_labels(&pane_a, ["B*!"], cx);
4601 assert_item_labels(&pane_b, ["A*"], cx);
4602 }
4603
4604 #[gpui::test]
4605 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
4606 init_test(cx);
4607 let fs = FakeFs::new(cx.executor());
4608
4609 let project = Project::test(fs, None, cx).await;
4610 let (workspace, cx) =
4611 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4612 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4613
4614 // Add A, B. Pin both. Activate A
4615 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4616 let item_b = add_labeled_item(&pane_a, "B", false, cx);
4617
4618 pane_a.update_in(cx, |pane, window, cx| {
4619 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4620 pane.pin_tab_at(ix, window, cx);
4621
4622 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4623 pane.pin_tab_at(ix, window, cx);
4624
4625 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4626 pane.activate_item(ix, true, true, window, cx);
4627 });
4628 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
4629
4630 // Drag A to create new split
4631 pane_a.update_in(cx, |pane, window, cx| {
4632 pane.drag_split_direction = Some(SplitDirection::Right);
4633
4634 let dragged_tab = DraggedTab {
4635 pane: pane_a.clone(),
4636 item: item_a.boxed_clone(),
4637 ix: 0,
4638 detail: 0,
4639 is_active: true,
4640 };
4641 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4642 });
4643
4644 // A should be moved to new pane. Both A and B should still be pinned
4645 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
4646 let panes = workspace.panes();
4647 (panes[0].clone(), panes[1].clone())
4648 });
4649 assert_item_labels(&pane_a, ["B*!"], cx);
4650 assert_item_labels(&pane_b, ["A*!"], cx);
4651 }
4652
4653 #[gpui::test]
4654 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
4655 init_test(cx);
4656 let fs = FakeFs::new(cx.executor());
4657
4658 let project = Project::test(fs, None, cx).await;
4659 let (workspace, cx) =
4660 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4661 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4662
4663 // Add A to pane A and pin
4664 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4665 pane_a.update_in(cx, |pane, window, cx| {
4666 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4667 pane.pin_tab_at(ix, window, cx);
4668 });
4669 assert_item_labels(&pane_a, ["A*!"], cx);
4670
4671 // Add B to pane B and pin
4672 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
4673 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
4674 });
4675 let item_b = add_labeled_item(&pane_b, "B", false, cx);
4676 pane_b.update_in(cx, |pane, window, cx| {
4677 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4678 pane.pin_tab_at(ix, window, cx);
4679 });
4680 assert_item_labels(&pane_b, ["B*!"], cx);
4681
4682 // Move A from pane A to pane B's pinned region
4683 pane_b.update_in(cx, |pane, window, cx| {
4684 let dragged_tab = DraggedTab {
4685 pane: pane_a.clone(),
4686 item: item_a.boxed_clone(),
4687 ix: 0,
4688 detail: 0,
4689 is_active: true,
4690 };
4691 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4692 });
4693
4694 // A should stay pinned
4695 assert_item_labels(&pane_a, [], cx);
4696 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
4697 }
4698
4699 #[gpui::test]
4700 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
4701 init_test(cx);
4702 let fs = FakeFs::new(cx.executor());
4703
4704 let project = Project::test(fs, None, cx).await;
4705 let (workspace, cx) =
4706 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4707 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4708
4709 // Add A to pane A and pin
4710 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4711 pane_a.update_in(cx, |pane, window, cx| {
4712 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4713 pane.pin_tab_at(ix, window, cx);
4714 });
4715 assert_item_labels(&pane_a, ["A*!"], cx);
4716
4717 // Create pane B with pinned item B
4718 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
4719 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
4720 });
4721 let item_b = add_labeled_item(&pane_b, "B", false, cx);
4722 assert_item_labels(&pane_b, ["B*"], cx);
4723
4724 pane_b.update_in(cx, |pane, window, cx| {
4725 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4726 pane.pin_tab_at(ix, window, cx);
4727 });
4728 assert_item_labels(&pane_b, ["B*!"], cx);
4729
4730 // Move A from pane A to pane B's unpinned region
4731 pane_b.update_in(cx, |pane, window, cx| {
4732 let dragged_tab = DraggedTab {
4733 pane: pane_a.clone(),
4734 item: item_a.boxed_clone(),
4735 ix: 0,
4736 detail: 0,
4737 is_active: true,
4738 };
4739 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
4740 });
4741
4742 // A should become pinned
4743 assert_item_labels(&pane_a, [], cx);
4744 assert_item_labels(&pane_b, ["B!", "A*"], cx);
4745 }
4746
4747 #[gpui::test]
4748 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
4749 cx: &mut TestAppContext,
4750 ) {
4751 init_test(cx);
4752 let fs = FakeFs::new(cx.executor());
4753
4754 let project = Project::test(fs, None, cx).await;
4755 let (workspace, cx) =
4756 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4757 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4758
4759 // Add A to pane A and pin
4760 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4761 pane_a.update_in(cx, |pane, window, cx| {
4762 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4763 pane.pin_tab_at(ix, window, cx);
4764 });
4765 assert_item_labels(&pane_a, ["A*!"], cx);
4766
4767 // Add B to pane B
4768 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
4769 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
4770 });
4771 add_labeled_item(&pane_b, "B", false, cx);
4772 assert_item_labels(&pane_b, ["B*"], cx);
4773
4774 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
4775 pane_b.update_in(cx, |pane, window, cx| {
4776 let dragged_tab = DraggedTab {
4777 pane: pane_a.clone(),
4778 item: item_a.boxed_clone(),
4779 ix: 0,
4780 detail: 0,
4781 is_active: true,
4782 };
4783 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4784 });
4785
4786 // A should stay pinned
4787 assert_item_labels(&pane_a, [], cx);
4788 assert_item_labels(&pane_b, ["A*!", "B"], cx);
4789 }
4790
4791 #[gpui::test]
4792 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
4793 cx: &mut TestAppContext,
4794 ) {
4795 init_test(cx);
4796 let fs = FakeFs::new(cx.executor());
4797
4798 let project = Project::test(fs, None, cx).await;
4799 let (workspace, cx) =
4800 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4801 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4802 set_max_tabs(cx, Some(2));
4803
4804 // Add A, B to pane A. Pin both
4805 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4806 let item_b = add_labeled_item(&pane_a, "B", false, cx);
4807 pane_a.update_in(cx, |pane, window, cx| {
4808 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4809 pane.pin_tab_at(ix, window, cx);
4810
4811 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4812 pane.pin_tab_at(ix, window, cx);
4813 });
4814 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
4815
4816 // Add C, D to pane B. Pin both
4817 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
4818 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
4819 });
4820 let item_c = add_labeled_item(&pane_b, "C", false, cx);
4821 let item_d = add_labeled_item(&pane_b, "D", false, cx);
4822 pane_b.update_in(cx, |pane, window, cx| {
4823 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4824 pane.pin_tab_at(ix, window, cx);
4825
4826 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
4827 pane.pin_tab_at(ix, window, cx);
4828 });
4829 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
4830
4831 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
4832 // as we allow 1 tab over max if the others are pinned or dirty
4833 add_labeled_item(&pane_b, "E", false, cx);
4834 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
4835
4836 // Drag pinned A from pane A to position 0 in pane B
4837 pane_b.update_in(cx, |pane, window, cx| {
4838 let dragged_tab = DraggedTab {
4839 pane: pane_a.clone(),
4840 item: item_a.boxed_clone(),
4841 ix: 0,
4842 detail: 0,
4843 is_active: true,
4844 };
4845 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4846 });
4847
4848 // E (unpinned) should be closed, leaving 3 pinned items
4849 assert_item_labels(&pane_a, ["B*!"], cx);
4850 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
4851 }
4852
4853 #[gpui::test]
4854 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
4855 init_test(cx);
4856 let fs = FakeFs::new(cx.executor());
4857
4858 let project = Project::test(fs, None, cx).await;
4859 let (workspace, cx) =
4860 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4861 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4862
4863 // Add A to pane A and pin it
4864 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4865 pane_a.update_in(cx, |pane, window, cx| {
4866 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4867 pane.pin_tab_at(ix, window, cx);
4868 });
4869 assert_item_labels(&pane_a, ["A*!"], cx);
4870
4871 // Drag pinned A to position 1 (directly to the right) in the same pane
4872 pane_a.update_in(cx, |pane, window, cx| {
4873 let dragged_tab = DraggedTab {
4874 pane: pane_a.clone(),
4875 item: item_a.boxed_clone(),
4876 ix: 0,
4877 detail: 0,
4878 is_active: true,
4879 };
4880 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
4881 });
4882
4883 // A should still be pinned and active
4884 assert_item_labels(&pane_a, ["A*!"], cx);
4885 }
4886
4887 #[gpui::test]
4888 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
4889 cx: &mut TestAppContext,
4890 ) {
4891 init_test(cx);
4892 let fs = FakeFs::new(cx.executor());
4893
4894 let project = Project::test(fs, None, cx).await;
4895 let (workspace, cx) =
4896 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4897 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4898
4899 // Add A, B to pane A and pin both
4900 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4901 let item_b = add_labeled_item(&pane_a, "B", false, cx);
4902 pane_a.update_in(cx, |pane, window, cx| {
4903 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4904 pane.pin_tab_at(ix, window, cx);
4905
4906 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4907 pane.pin_tab_at(ix, window, cx);
4908 });
4909 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
4910
4911 // Drag pinned A right of B in the same pane
4912 pane_a.update_in(cx, |pane, window, cx| {
4913 let dragged_tab = DraggedTab {
4914 pane: pane_a.clone(),
4915 item: item_a.boxed_clone(),
4916 ix: 0,
4917 detail: 0,
4918 is_active: true,
4919 };
4920 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
4921 });
4922
4923 // A stays pinned
4924 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
4925 }
4926
4927 #[gpui::test]
4928 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
4929 cx: &mut TestAppContext,
4930 ) {
4931 init_test(cx);
4932 let fs = FakeFs::new(cx.executor());
4933
4934 let project = Project::test(fs, None, cx).await;
4935 let (workspace, cx) =
4936 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4937 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4938
4939 // Add A, B to pane A and pin A
4940 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4941 add_labeled_item(&pane_a, "B", false, cx);
4942 pane_a.update_in(cx, |pane, window, cx| {
4943 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4944 pane.pin_tab_at(ix, window, cx);
4945 });
4946 assert_item_labels(&pane_a, ["A!", "B*"], cx);
4947
4948 // Drag pinned A right of B in the same pane
4949 pane_a.update_in(cx, |pane, window, cx| {
4950 let dragged_tab = DraggedTab {
4951 pane: pane_a.clone(),
4952 item: item_a.boxed_clone(),
4953 ix: 0,
4954 detail: 0,
4955 is_active: true,
4956 };
4957 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
4958 });
4959
4960 // A becomes unpinned
4961 assert_item_labels(&pane_a, ["B", "A*"], cx);
4962 }
4963
4964 #[gpui::test]
4965 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
4966 cx: &mut TestAppContext,
4967 ) {
4968 init_test(cx);
4969 let fs = FakeFs::new(cx.executor());
4970
4971 let project = Project::test(fs, None, cx).await;
4972 let (workspace, cx) =
4973 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4974 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4975
4976 // Add A, B to pane A and pin A
4977 let item_a = add_labeled_item(&pane_a, "A", false, cx);
4978 let item_b = add_labeled_item(&pane_a, "B", false, cx);
4979 pane_a.update_in(cx, |pane, window, cx| {
4980 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4981 pane.pin_tab_at(ix, window, cx);
4982 });
4983 assert_item_labels(&pane_a, ["A!", "B*"], cx);
4984
4985 // Drag pinned B left of A in the same pane
4986 pane_a.update_in(cx, |pane, window, cx| {
4987 let dragged_tab = DraggedTab {
4988 pane: pane_a.clone(),
4989 item: item_b.boxed_clone(),
4990 ix: 1,
4991 detail: 0,
4992 is_active: true,
4993 };
4994 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
4995 });
4996
4997 // A becomes unpinned
4998 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
4999 }
5000
5001 #[gpui::test]
5002 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
5003 init_test(cx);
5004 let fs = FakeFs::new(cx.executor());
5005
5006 let project = Project::test(fs, None, cx).await;
5007 let (workspace, cx) =
5008 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5009 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5010
5011 // Add A, B, C to pane A and pin A
5012 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5013 add_labeled_item(&pane_a, "B", false, cx);
5014 let item_c = add_labeled_item(&pane_a, "C", false, cx);
5015 pane_a.update_in(cx, |pane, window, cx| {
5016 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5017 pane.pin_tab_at(ix, window, cx);
5018 });
5019 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
5020
5021 // Drag pinned C left of B in the same pane
5022 pane_a.update_in(cx, |pane, window, cx| {
5023 let dragged_tab = DraggedTab {
5024 pane: pane_a.clone(),
5025 item: item_c.boxed_clone(),
5026 ix: 2,
5027 detail: 0,
5028 is_active: true,
5029 };
5030 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5031 });
5032
5033 // A stays pinned, B and C remain unpinned
5034 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
5035 }
5036
5037 #[gpui::test]
5038 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
5039 init_test(cx);
5040 let fs = FakeFs::new(cx.executor());
5041
5042 let project = Project::test(fs, None, cx).await;
5043 let (workspace, cx) =
5044 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5045 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5046
5047 // Add unpinned item A to pane A
5048 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5049 assert_item_labels(&pane_a, ["A*"], cx);
5050
5051 // Create pane B with pinned item B
5052 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5053 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5054 });
5055 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5056 pane_b.update_in(cx, |pane, window, cx| {
5057 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5058 pane.pin_tab_at(ix, window, cx);
5059 });
5060 assert_item_labels(&pane_b, ["B*!"], cx);
5061
5062 // Move A from pane A to pane B's pinned region
5063 pane_b.update_in(cx, |pane, window, cx| {
5064 let dragged_tab = DraggedTab {
5065 pane: pane_a.clone(),
5066 item: item_a.boxed_clone(),
5067 ix: 0,
5068 detail: 0,
5069 is_active: true,
5070 };
5071 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5072 });
5073
5074 // A should become pinned since it was dropped in the pinned region
5075 assert_item_labels(&pane_a, [], cx);
5076 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
5077 }
5078
5079 #[gpui::test]
5080 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
5081 init_test(cx);
5082 let fs = FakeFs::new(cx.executor());
5083
5084 let project = Project::test(fs, None, cx).await;
5085 let (workspace, cx) =
5086 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5087 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5088
5089 // Add unpinned item A to pane A
5090 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5091 assert_item_labels(&pane_a, ["A*"], cx);
5092
5093 // Create pane B with one pinned item B
5094 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5095 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5096 });
5097 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5098 pane_b.update_in(cx, |pane, window, cx| {
5099 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5100 pane.pin_tab_at(ix, window, cx);
5101 });
5102 assert_item_labels(&pane_b, ["B*!"], cx);
5103
5104 // Move A from pane A to pane B's unpinned region
5105 pane_b.update_in(cx, |pane, window, cx| {
5106 let dragged_tab = DraggedTab {
5107 pane: pane_a.clone(),
5108 item: item_a.boxed_clone(),
5109 ix: 0,
5110 detail: 0,
5111 is_active: true,
5112 };
5113 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5114 });
5115
5116 // A should remain unpinned since it was dropped outside the pinned region
5117 assert_item_labels(&pane_a, [], cx);
5118 assert_item_labels(&pane_b, ["B!", "A*"], cx);
5119 }
5120
5121 #[gpui::test]
5122 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
5123 cx: &mut TestAppContext,
5124 ) {
5125 init_test(cx);
5126 let fs = FakeFs::new(cx.executor());
5127
5128 let project = Project::test(fs, None, cx).await;
5129 let (workspace, cx) =
5130 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5131 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5132
5133 // Add A, B, C and pin all
5134 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5135 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5136 let item_c = add_labeled_item(&pane_a, "C", false, cx);
5137 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
5138
5139 pane_a.update_in(cx, |pane, window, cx| {
5140 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5141 pane.pin_tab_at(ix, window, cx);
5142
5143 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5144 pane.pin_tab_at(ix, window, cx);
5145
5146 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5147 pane.pin_tab_at(ix, window, cx);
5148 });
5149 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
5150
5151 // Move A to right of B
5152 pane_a.update_in(cx, |pane, window, cx| {
5153 let dragged_tab = DraggedTab {
5154 pane: pane_a.clone(),
5155 item: item_a.boxed_clone(),
5156 ix: 0,
5157 detail: 0,
5158 is_active: true,
5159 };
5160 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5161 });
5162
5163 // A should be after B and all are pinned
5164 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
5165
5166 // Move A to right of C
5167 pane_a.update_in(cx, |pane, window, cx| {
5168 let dragged_tab = DraggedTab {
5169 pane: pane_a.clone(),
5170 item: item_a.boxed_clone(),
5171 ix: 1,
5172 detail: 0,
5173 is_active: true,
5174 };
5175 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
5176 });
5177
5178 // A should be after C and all are pinned
5179 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
5180
5181 // Move A to left of C
5182 pane_a.update_in(cx, |pane, window, cx| {
5183 let dragged_tab = DraggedTab {
5184 pane: pane_a.clone(),
5185 item: item_a.boxed_clone(),
5186 ix: 2,
5187 detail: 0,
5188 is_active: true,
5189 };
5190 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5191 });
5192
5193 // A should be before C and all are pinned
5194 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
5195
5196 // Move A to left of B
5197 pane_a.update_in(cx, |pane, window, cx| {
5198 let dragged_tab = DraggedTab {
5199 pane: pane_a.clone(),
5200 item: item_a.boxed_clone(),
5201 ix: 1,
5202 detail: 0,
5203 is_active: true,
5204 };
5205 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5206 });
5207
5208 // A should be before B and all are pinned
5209 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
5210 }
5211
5212 #[gpui::test]
5213 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
5214 init_test(cx);
5215 let fs = FakeFs::new(cx.executor());
5216
5217 let project = Project::test(fs, None, cx).await;
5218 let (workspace, cx) =
5219 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5220 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5221
5222 // Add A, B, C
5223 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5224 add_labeled_item(&pane_a, "B", false, cx);
5225 add_labeled_item(&pane_a, "C", false, cx);
5226 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
5227
5228 // Move A to the end
5229 pane_a.update_in(cx, |pane, window, cx| {
5230 let dragged_tab = DraggedTab {
5231 pane: pane_a.clone(),
5232 item: item_a.boxed_clone(),
5233 ix: 0,
5234 detail: 0,
5235 is_active: true,
5236 };
5237 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
5238 });
5239
5240 // A should be at the end
5241 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
5242 }
5243
5244 #[gpui::test]
5245 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
5246 init_test(cx);
5247 let fs = FakeFs::new(cx.executor());
5248
5249 let project = Project::test(fs, None, cx).await;
5250 let (workspace, cx) =
5251 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5252 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5253
5254 // Add A, B, C
5255 add_labeled_item(&pane_a, "A", false, cx);
5256 add_labeled_item(&pane_a, "B", false, cx);
5257 let item_c = add_labeled_item(&pane_a, "C", false, cx);
5258 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
5259
5260 // Move C to the beginning
5261 pane_a.update_in(cx, |pane, window, cx| {
5262 let dragged_tab = DraggedTab {
5263 pane: pane_a.clone(),
5264 item: item_c.boxed_clone(),
5265 ix: 2,
5266 detail: 0,
5267 is_active: true,
5268 };
5269 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5270 });
5271
5272 // C should be at the beginning
5273 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
5274 }
5275
5276 #[gpui::test]
5277 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
5278 init_test(cx);
5279 let fs = FakeFs::new(cx.executor());
5280
5281 let project = Project::test(fs, None, cx).await;
5282 let (workspace, cx) =
5283 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5284 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5285
5286 // 1. Add with a destination index
5287 // a. Add before the active item
5288 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5289 pane.update_in(cx, |pane, window, cx| {
5290 pane.add_item(
5291 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
5292 false,
5293 false,
5294 Some(0),
5295 window,
5296 cx,
5297 );
5298 });
5299 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
5300
5301 // b. Add after the active item
5302 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5303 pane.update_in(cx, |pane, window, cx| {
5304 pane.add_item(
5305 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
5306 false,
5307 false,
5308 Some(2),
5309 window,
5310 cx,
5311 );
5312 });
5313 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
5314
5315 // c. Add at the end of the item list (including off the length)
5316 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5317 pane.update_in(cx, |pane, window, cx| {
5318 pane.add_item(
5319 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
5320 false,
5321 false,
5322 Some(5),
5323 window,
5324 cx,
5325 );
5326 });
5327 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5328
5329 // 2. Add without a destination index
5330 // a. Add with active item at the start of the item list
5331 set_labeled_items(&pane, ["A*", "B", "C"], cx);
5332 pane.update_in(cx, |pane, window, cx| {
5333 pane.add_item(
5334 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
5335 false,
5336 false,
5337 None,
5338 window,
5339 cx,
5340 );
5341 });
5342 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
5343
5344 // b. Add with active item at the end of the item list
5345 set_labeled_items(&pane, ["A", "B", "C*"], cx);
5346 pane.update_in(cx, |pane, window, cx| {
5347 pane.add_item(
5348 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
5349 false,
5350 false,
5351 None,
5352 window,
5353 cx,
5354 );
5355 });
5356 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5357 }
5358
5359 #[gpui::test]
5360 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
5361 init_test(cx);
5362 let fs = FakeFs::new(cx.executor());
5363
5364 let project = Project::test(fs, None, cx).await;
5365 let (workspace, cx) =
5366 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5367 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5368
5369 // 1. Add with a destination index
5370 // 1a. Add before the active item
5371 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
5372 pane.update_in(cx, |pane, window, cx| {
5373 pane.add_item(d, false, false, Some(0), window, cx);
5374 });
5375 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
5376
5377 // 1b. Add after the active item
5378 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
5379 pane.update_in(cx, |pane, window, cx| {
5380 pane.add_item(d, false, false, Some(2), window, cx);
5381 });
5382 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
5383
5384 // 1c. Add at the end of the item list (including off the length)
5385 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
5386 pane.update_in(cx, |pane, window, cx| {
5387 pane.add_item(a, false, false, Some(5), window, cx);
5388 });
5389 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
5390
5391 // 1d. Add same item to active index
5392 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
5393 pane.update_in(cx, |pane, window, cx| {
5394 pane.add_item(b, false, false, Some(1), window, cx);
5395 });
5396 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5397
5398 // 1e. Add item to index after same item in last position
5399 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
5400 pane.update_in(cx, |pane, window, cx| {
5401 pane.add_item(c, false, false, Some(2), window, cx);
5402 });
5403 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5404
5405 // 2. Add without a destination index
5406 // 2a. Add with active item at the start of the item list
5407 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
5408 pane.update_in(cx, |pane, window, cx| {
5409 pane.add_item(d, false, false, None, window, cx);
5410 });
5411 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
5412
5413 // 2b. Add with active item at the end of the item list
5414 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
5415 pane.update_in(cx, |pane, window, cx| {
5416 pane.add_item(a, false, false, None, window, cx);
5417 });
5418 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
5419
5420 // 2c. Add active item to active item at end of list
5421 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
5422 pane.update_in(cx, |pane, window, cx| {
5423 pane.add_item(c, false, false, None, window, cx);
5424 });
5425 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5426
5427 // 2d. Add active item to active item at start of list
5428 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
5429 pane.update_in(cx, |pane, window, cx| {
5430 pane.add_item(a, false, false, None, window, cx);
5431 });
5432 assert_item_labels(&pane, ["A*", "B", "C"], cx);
5433 }
5434
5435 #[gpui::test]
5436 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
5437 init_test(cx);
5438 let fs = FakeFs::new(cx.executor());
5439
5440 let project = Project::test(fs, None, cx).await;
5441 let (workspace, cx) =
5442 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5443 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5444
5445 // singleton view
5446 pane.update_in(cx, |pane, window, cx| {
5447 pane.add_item(
5448 Box::new(cx.new(|cx| {
5449 TestItem::new(cx)
5450 .with_singleton(true)
5451 .with_label("buffer 1")
5452 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
5453 })),
5454 false,
5455 false,
5456 None,
5457 window,
5458 cx,
5459 );
5460 });
5461 assert_item_labels(&pane, ["buffer 1*"], cx);
5462
5463 // new singleton view with the same project entry
5464 pane.update_in(cx, |pane, window, cx| {
5465 pane.add_item(
5466 Box::new(cx.new(|cx| {
5467 TestItem::new(cx)
5468 .with_singleton(true)
5469 .with_label("buffer 1")
5470 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
5471 })),
5472 false,
5473 false,
5474 None,
5475 window,
5476 cx,
5477 );
5478 });
5479 assert_item_labels(&pane, ["buffer 1*"], cx);
5480
5481 // new singleton view with different project entry
5482 pane.update_in(cx, |pane, window, cx| {
5483 pane.add_item(
5484 Box::new(cx.new(|cx| {
5485 TestItem::new(cx)
5486 .with_singleton(true)
5487 .with_label("buffer 2")
5488 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
5489 })),
5490 false,
5491 false,
5492 None,
5493 window,
5494 cx,
5495 );
5496 });
5497 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
5498
5499 // new multibuffer view with the same project entry
5500 pane.update_in(cx, |pane, window, cx| {
5501 pane.add_item(
5502 Box::new(cx.new(|cx| {
5503 TestItem::new(cx)
5504 .with_singleton(false)
5505 .with_label("multibuffer 1")
5506 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
5507 })),
5508 false,
5509 false,
5510 None,
5511 window,
5512 cx,
5513 );
5514 });
5515 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
5516
5517 // another multibuffer view with the same project entry
5518 pane.update_in(cx, |pane, window, cx| {
5519 pane.add_item(
5520 Box::new(cx.new(|cx| {
5521 TestItem::new(cx)
5522 .with_singleton(false)
5523 .with_label("multibuffer 1b")
5524 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
5525 })),
5526 false,
5527 false,
5528 None,
5529 window,
5530 cx,
5531 );
5532 });
5533 assert_item_labels(
5534 &pane,
5535 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
5536 cx,
5537 );
5538 }
5539
5540 #[gpui::test]
5541 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
5542 init_test(cx);
5543 let fs = FakeFs::new(cx.executor());
5544
5545 let project = Project::test(fs, None, cx).await;
5546 let (workspace, cx) =
5547 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5548 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5549
5550 add_labeled_item(&pane, "A", false, cx);
5551 add_labeled_item(&pane, "B", false, cx);
5552 add_labeled_item(&pane, "C", false, cx);
5553 add_labeled_item(&pane, "D", false, cx);
5554 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5555
5556 pane.update_in(cx, |pane, window, cx| {
5557 pane.activate_item(1, false, false, window, cx)
5558 });
5559 add_labeled_item(&pane, "1", false, cx);
5560 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
5561
5562 pane.update_in(cx, |pane, window, cx| {
5563 pane.close_active_item(
5564 &CloseActiveItem {
5565 save_intent: None,
5566 close_pinned: false,
5567 },
5568 window,
5569 cx,
5570 )
5571 })
5572 .await
5573 .unwrap();
5574 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
5575
5576 pane.update_in(cx, |pane, window, cx| {
5577 pane.activate_item(3, false, false, window, cx)
5578 });
5579 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5580
5581 pane.update_in(cx, |pane, window, cx| {
5582 pane.close_active_item(
5583 &CloseActiveItem {
5584 save_intent: None,
5585 close_pinned: false,
5586 },
5587 window,
5588 cx,
5589 )
5590 })
5591 .await
5592 .unwrap();
5593 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5594
5595 pane.update_in(cx, |pane, window, cx| {
5596 pane.close_active_item(
5597 &CloseActiveItem {
5598 save_intent: None,
5599 close_pinned: false,
5600 },
5601 window,
5602 cx,
5603 )
5604 })
5605 .await
5606 .unwrap();
5607 assert_item_labels(&pane, ["A", "C*"], cx);
5608
5609 pane.update_in(cx, |pane, window, cx| {
5610 pane.close_active_item(
5611 &CloseActiveItem {
5612 save_intent: None,
5613 close_pinned: false,
5614 },
5615 window,
5616 cx,
5617 )
5618 })
5619 .await
5620 .unwrap();
5621 assert_item_labels(&pane, ["A*"], cx);
5622 }
5623
5624 #[gpui::test]
5625 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
5626 init_test(cx);
5627 cx.update_global::<SettingsStore, ()>(|s, cx| {
5628 s.update_user_settings::<ItemSettings>(cx, |s| {
5629 s.activate_on_close = Some(ActivateOnClose::Neighbour);
5630 });
5631 });
5632 let fs = FakeFs::new(cx.executor());
5633
5634 let project = Project::test(fs, None, cx).await;
5635 let (workspace, cx) =
5636 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5637 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5638
5639 add_labeled_item(&pane, "A", false, cx);
5640 add_labeled_item(&pane, "B", false, cx);
5641 add_labeled_item(&pane, "C", false, cx);
5642 add_labeled_item(&pane, "D", false, cx);
5643 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5644
5645 pane.update_in(cx, |pane, window, cx| {
5646 pane.activate_item(1, false, false, window, cx)
5647 });
5648 add_labeled_item(&pane, "1", false, cx);
5649 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
5650
5651 pane.update_in(cx, |pane, window, cx| {
5652 pane.close_active_item(
5653 &CloseActiveItem {
5654 save_intent: None,
5655 close_pinned: false,
5656 },
5657 window,
5658 cx,
5659 )
5660 })
5661 .await
5662 .unwrap();
5663 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
5664
5665 pane.update_in(cx, |pane, window, cx| {
5666 pane.activate_item(3, false, false, window, cx)
5667 });
5668 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5669
5670 pane.update_in(cx, |pane, window, cx| {
5671 pane.close_active_item(
5672 &CloseActiveItem {
5673 save_intent: None,
5674 close_pinned: false,
5675 },
5676 window,
5677 cx,
5678 )
5679 })
5680 .await
5681 .unwrap();
5682 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5683
5684 pane.update_in(cx, |pane, window, cx| {
5685 pane.close_active_item(
5686 &CloseActiveItem {
5687 save_intent: None,
5688 close_pinned: false,
5689 },
5690 window,
5691 cx,
5692 )
5693 })
5694 .await
5695 .unwrap();
5696 assert_item_labels(&pane, ["A", "B*"], cx);
5697
5698 pane.update_in(cx, |pane, window, cx| {
5699 pane.close_active_item(
5700 &CloseActiveItem {
5701 save_intent: None,
5702 close_pinned: false,
5703 },
5704 window,
5705 cx,
5706 )
5707 })
5708 .await
5709 .unwrap();
5710 assert_item_labels(&pane, ["A*"], cx);
5711 }
5712
5713 #[gpui::test]
5714 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
5715 init_test(cx);
5716 cx.update_global::<SettingsStore, ()>(|s, cx| {
5717 s.update_user_settings::<ItemSettings>(cx, |s| {
5718 s.activate_on_close = Some(ActivateOnClose::LeftNeighbour);
5719 });
5720 });
5721 let fs = FakeFs::new(cx.executor());
5722
5723 let project = Project::test(fs, None, cx).await;
5724 let (workspace, cx) =
5725 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5726 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5727
5728 add_labeled_item(&pane, "A", false, cx);
5729 add_labeled_item(&pane, "B", false, cx);
5730 add_labeled_item(&pane, "C", false, cx);
5731 add_labeled_item(&pane, "D", false, cx);
5732 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5733
5734 pane.update_in(cx, |pane, window, cx| {
5735 pane.activate_item(1, false, false, window, cx)
5736 });
5737 add_labeled_item(&pane, "1", false, cx);
5738 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
5739
5740 pane.update_in(cx, |pane, window, cx| {
5741 pane.close_active_item(
5742 &CloseActiveItem {
5743 save_intent: None,
5744 close_pinned: false,
5745 },
5746 window,
5747 cx,
5748 )
5749 })
5750 .await
5751 .unwrap();
5752 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
5753
5754 pane.update_in(cx, |pane, window, cx| {
5755 pane.activate_item(3, false, false, window, cx)
5756 });
5757 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
5758
5759 pane.update_in(cx, |pane, window, cx| {
5760 pane.close_active_item(
5761 &CloseActiveItem {
5762 save_intent: None,
5763 close_pinned: false,
5764 },
5765 window,
5766 cx,
5767 )
5768 })
5769 .await
5770 .unwrap();
5771 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5772
5773 pane.update_in(cx, |pane, window, cx| {
5774 pane.activate_item(0, false, false, window, cx)
5775 });
5776 assert_item_labels(&pane, ["A*", "B", "C"], cx);
5777
5778 pane.update_in(cx, |pane, window, cx| {
5779 pane.close_active_item(
5780 &CloseActiveItem {
5781 save_intent: None,
5782 close_pinned: false,
5783 },
5784 window,
5785 cx,
5786 )
5787 })
5788 .await
5789 .unwrap();
5790 assert_item_labels(&pane, ["B*", "C"], cx);
5791
5792 pane.update_in(cx, |pane, window, cx| {
5793 pane.close_active_item(
5794 &CloseActiveItem {
5795 save_intent: None,
5796 close_pinned: false,
5797 },
5798 window,
5799 cx,
5800 )
5801 })
5802 .await
5803 .unwrap();
5804 assert_item_labels(&pane, ["C*"], cx);
5805 }
5806
5807 #[gpui::test]
5808 async fn test_close_inactive_items(cx: &mut TestAppContext) {
5809 init_test(cx);
5810 let fs = FakeFs::new(cx.executor());
5811
5812 let project = Project::test(fs, None, cx).await;
5813 let (workspace, cx) =
5814 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5815 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5816
5817 let item_a = add_labeled_item(&pane, "A", false, cx);
5818 pane.update_in(cx, |pane, window, cx| {
5819 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5820 pane.pin_tab_at(ix, window, cx);
5821 });
5822 assert_item_labels(&pane, ["A*!"], cx);
5823
5824 let item_b = add_labeled_item(&pane, "B", false, cx);
5825 pane.update_in(cx, |pane, window, cx| {
5826 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5827 pane.pin_tab_at(ix, window, cx);
5828 });
5829 assert_item_labels(&pane, ["A!", "B*!"], cx);
5830
5831 add_labeled_item(&pane, "C", false, cx);
5832 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5833
5834 add_labeled_item(&pane, "D", false, cx);
5835 add_labeled_item(&pane, "E", false, cx);
5836 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5837
5838 pane.update_in(cx, |pane, window, cx| {
5839 pane.close_inactive_items(
5840 &CloseInactiveItems {
5841 save_intent: None,
5842 close_pinned: false,
5843 },
5844 window,
5845 cx,
5846 )
5847 })
5848 .await
5849 .unwrap();
5850 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
5851 }
5852
5853 #[gpui::test]
5854 async fn test_close_clean_items(cx: &mut TestAppContext) {
5855 init_test(cx);
5856 let fs = FakeFs::new(cx.executor());
5857
5858 let project = Project::test(fs, None, cx).await;
5859 let (workspace, cx) =
5860 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5861 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5862
5863 add_labeled_item(&pane, "A", true, cx);
5864 add_labeled_item(&pane, "B", false, cx);
5865 add_labeled_item(&pane, "C", true, cx);
5866 add_labeled_item(&pane, "D", false, cx);
5867 add_labeled_item(&pane, "E", false, cx);
5868 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
5869
5870 pane.update_in(cx, |pane, window, cx| {
5871 pane.close_clean_items(
5872 &CloseCleanItems {
5873 close_pinned: false,
5874 },
5875 window,
5876 cx,
5877 )
5878 })
5879 .await
5880 .unwrap();
5881 assert_item_labels(&pane, ["A^", "C*^"], cx);
5882 }
5883
5884 #[gpui::test]
5885 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
5886 init_test(cx);
5887 let fs = FakeFs::new(cx.executor());
5888
5889 let project = Project::test(fs, None, cx).await;
5890 let (workspace, cx) =
5891 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5892 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5893
5894 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
5895
5896 pane.update_in(cx, |pane, window, cx| {
5897 pane.close_items_to_the_left_by_id(
5898 None,
5899 &CloseItemsToTheLeft {
5900 close_pinned: false,
5901 },
5902 window,
5903 cx,
5904 )
5905 })
5906 .await
5907 .unwrap();
5908 assert_item_labels(&pane, ["C*", "D", "E"], cx);
5909 }
5910
5911 #[gpui::test]
5912 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
5913 init_test(cx);
5914 let fs = FakeFs::new(cx.executor());
5915
5916 let project = Project::test(fs, None, cx).await;
5917 let (workspace, cx) =
5918 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5919 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5920
5921 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
5922
5923 pane.update_in(cx, |pane, window, cx| {
5924 pane.close_items_to_the_right_by_id(
5925 None,
5926 &CloseItemsToTheRight {
5927 close_pinned: false,
5928 },
5929 window,
5930 cx,
5931 )
5932 })
5933 .await
5934 .unwrap();
5935 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5936 }
5937
5938 #[gpui::test]
5939 async fn test_close_all_items(cx: &mut TestAppContext) {
5940 init_test(cx);
5941 let fs = FakeFs::new(cx.executor());
5942
5943 let project = Project::test(fs, None, cx).await;
5944 let (workspace, cx) =
5945 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5946 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5947
5948 let item_a = add_labeled_item(&pane, "A", false, cx);
5949 add_labeled_item(&pane, "B", false, cx);
5950 add_labeled_item(&pane, "C", false, cx);
5951 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5952
5953 pane.update_in(cx, |pane, window, cx| {
5954 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5955 pane.pin_tab_at(ix, window, cx);
5956 pane.close_all_items(
5957 &CloseAllItems {
5958 save_intent: None,
5959 close_pinned: false,
5960 },
5961 window,
5962 cx,
5963 )
5964 })
5965 .await
5966 .unwrap();
5967 assert_item_labels(&pane, ["A*!"], cx);
5968
5969 pane.update_in(cx, |pane, window, cx| {
5970 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5971 pane.unpin_tab_at(ix, window, cx);
5972 pane.close_all_items(
5973 &CloseAllItems {
5974 save_intent: None,
5975 close_pinned: false,
5976 },
5977 window,
5978 cx,
5979 )
5980 })
5981 .await
5982 .unwrap();
5983
5984 assert_item_labels(&pane, [], cx);
5985
5986 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
5987 item.project_items
5988 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
5989 });
5990 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
5991 item.project_items
5992 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
5993 });
5994 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
5995 item.project_items
5996 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
5997 });
5998 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5999
6000 let save = pane.update_in(cx, |pane, window, cx| {
6001 pane.close_all_items(
6002 &CloseAllItems {
6003 save_intent: None,
6004 close_pinned: false,
6005 },
6006 window,
6007 cx,
6008 )
6009 });
6010
6011 cx.executor().run_until_parked();
6012 cx.simulate_prompt_answer("Save all");
6013 save.await.unwrap();
6014 assert_item_labels(&pane, [], cx);
6015
6016 add_labeled_item(&pane, "A", true, cx);
6017 add_labeled_item(&pane, "B", true, cx);
6018 add_labeled_item(&pane, "C", true, cx);
6019 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
6020 let save = pane.update_in(cx, |pane, window, cx| {
6021 pane.close_all_items(
6022 &CloseAllItems {
6023 save_intent: None,
6024 close_pinned: false,
6025 },
6026 window,
6027 cx,
6028 )
6029 });
6030
6031 cx.executor().run_until_parked();
6032 cx.simulate_prompt_answer("Discard all");
6033 save.await.unwrap();
6034 assert_item_labels(&pane, [], cx);
6035 }
6036
6037 #[gpui::test]
6038 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
6039 init_test(cx);
6040 let fs = FakeFs::new(cx.executor());
6041
6042 let project = Project::test(fs, None, cx).await;
6043 let (workspace, cx) =
6044 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
6045 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6046
6047 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
6048 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
6049 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
6050
6051 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
6052 item.project_items.push(a.clone());
6053 item.project_items.push(b.clone());
6054 });
6055 add_labeled_item(&pane, "C", true, cx)
6056 .update(cx, |item, _| item.project_items.push(c.clone()));
6057 assert_item_labels(&pane, ["AB^", "C*^"], cx);
6058
6059 pane.update_in(cx, |pane, window, cx| {
6060 pane.close_all_items(
6061 &CloseAllItems {
6062 save_intent: Some(SaveIntent::Save),
6063 close_pinned: false,
6064 },
6065 window,
6066 cx,
6067 )
6068 })
6069 .await
6070 .unwrap();
6071
6072 assert_item_labels(&pane, [], cx);
6073 cx.update(|_, cx| {
6074 assert!(!a.read(cx).is_dirty);
6075 assert!(!b.read(cx).is_dirty);
6076 assert!(!c.read(cx).is_dirty);
6077 });
6078 }
6079
6080 #[gpui::test]
6081 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
6082 init_test(cx);
6083 let fs = FakeFs::new(cx.executor());
6084
6085 let project = Project::test(fs, None, cx).await;
6086 let (workspace, cx) =
6087 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
6088 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6089
6090 let item_a = add_labeled_item(&pane, "A", false, cx);
6091 add_labeled_item(&pane, "B", false, cx);
6092 add_labeled_item(&pane, "C", false, cx);
6093 assert_item_labels(&pane, ["A", "B", "C*"], cx);
6094
6095 pane.update_in(cx, |pane, window, cx| {
6096 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6097 pane.pin_tab_at(ix, window, cx);
6098 pane.close_all_items(
6099 &CloseAllItems {
6100 save_intent: None,
6101 close_pinned: true,
6102 },
6103 window,
6104 cx,
6105 )
6106 })
6107 .await
6108 .unwrap();
6109 assert_item_labels(&pane, [], cx);
6110 }
6111
6112 #[gpui::test]
6113 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
6114 init_test(cx);
6115 let fs = FakeFs::new(cx.executor());
6116 let project = Project::test(fs, None, cx).await;
6117 let (workspace, cx) =
6118 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
6119
6120 // Non-pinned tabs in same pane
6121 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6122 add_labeled_item(&pane, "A", false, cx);
6123 add_labeled_item(&pane, "B", false, cx);
6124 add_labeled_item(&pane, "C", false, cx);
6125 pane.update_in(cx, |pane, window, cx| {
6126 pane.pin_tab_at(0, window, cx);
6127 });
6128 set_labeled_items(&pane, ["A*", "B", "C"], cx);
6129 pane.update_in(cx, |pane, window, cx| {
6130 pane.close_active_item(
6131 &CloseActiveItem {
6132 save_intent: None,
6133 close_pinned: false,
6134 },
6135 window,
6136 cx,
6137 )
6138 .unwrap();
6139 });
6140 // Non-pinned tab should be active
6141 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
6142 }
6143
6144 #[gpui::test]
6145 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
6146 init_test(cx);
6147 let fs = FakeFs::new(cx.executor());
6148 let project = Project::test(fs, None, cx).await;
6149 let (workspace, cx) =
6150 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
6151
6152 // No non-pinned tabs in same pane, non-pinned tabs in another pane
6153 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6154 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
6155 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
6156 });
6157 add_labeled_item(&pane1, "A", false, cx);
6158 pane1.update_in(cx, |pane, window, cx| {
6159 pane.pin_tab_at(0, window, cx);
6160 });
6161 set_labeled_items(&pane1, ["A*"], cx);
6162 add_labeled_item(&pane2, "B", false, cx);
6163 set_labeled_items(&pane2, ["B"], cx);
6164 pane1.update_in(cx, |pane, window, cx| {
6165 pane.close_active_item(
6166 &CloseActiveItem {
6167 save_intent: None,
6168 close_pinned: false,
6169 },
6170 window,
6171 cx,
6172 )
6173 .unwrap();
6174 });
6175 // Non-pinned tab of other pane should be active
6176 assert_item_labels(&pane2, ["B*"], cx);
6177 }
6178
6179 #[gpui::test]
6180 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
6181 init_test(cx);
6182 let fs = FakeFs::new(cx.executor());
6183 let project = Project::test(fs, None, cx).await;
6184 let (workspace, cx) =
6185 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
6186
6187 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6188 assert_item_labels(&pane, [], cx);
6189
6190 pane.update_in(cx, |pane, window, cx| {
6191 pane.close_active_item(
6192 &CloseActiveItem {
6193 save_intent: None,
6194 close_pinned: false,
6195 },
6196 window,
6197 cx,
6198 )
6199 })
6200 .await
6201 .unwrap();
6202
6203 pane.update_in(cx, |pane, window, cx| {
6204 pane.close_inactive_items(
6205 &CloseInactiveItems {
6206 save_intent: None,
6207 close_pinned: false,
6208 },
6209 window,
6210 cx,
6211 )
6212 })
6213 .await
6214 .unwrap();
6215
6216 pane.update_in(cx, |pane, window, cx| {
6217 pane.close_all_items(
6218 &CloseAllItems {
6219 save_intent: None,
6220 close_pinned: false,
6221 },
6222 window,
6223 cx,
6224 )
6225 })
6226 .await
6227 .unwrap();
6228
6229 pane.update_in(cx, |pane, window, cx| {
6230 pane.close_clean_items(
6231 &CloseCleanItems {
6232 close_pinned: false,
6233 },
6234 window,
6235 cx,
6236 )
6237 })
6238 .await
6239 .unwrap();
6240
6241 pane.update_in(cx, |pane, window, cx| {
6242 pane.close_items_to_the_right_by_id(
6243 None,
6244 &CloseItemsToTheRight {
6245 close_pinned: false,
6246 },
6247 window,
6248 cx,
6249 )
6250 })
6251 .await
6252 .unwrap();
6253
6254 pane.update_in(cx, |pane, window, cx| {
6255 pane.close_items_to_the_left_by_id(
6256 None,
6257 &CloseItemsToTheLeft {
6258 close_pinned: false,
6259 },
6260 window,
6261 cx,
6262 )
6263 })
6264 .await
6265 .unwrap();
6266 }
6267
6268 fn init_test(cx: &mut TestAppContext) {
6269 cx.update(|cx| {
6270 let settings_store = SettingsStore::test(cx);
6271 cx.set_global(settings_store);
6272 theme::init(LoadThemes::JustBase, cx);
6273 crate::init_settings(cx);
6274 Project::init_settings(cx);
6275 });
6276 }
6277
6278 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
6279 cx.update_global(|store: &mut SettingsStore, cx| {
6280 store.update_user_settings::<WorkspaceSettings>(cx, |settings| {
6281 settings.max_tabs = value.map(|v| NonZero::new(v).unwrap())
6282 });
6283 });
6284 }
6285
6286 fn add_labeled_item(
6287 pane: &Entity<Pane>,
6288 label: &str,
6289 is_dirty: bool,
6290 cx: &mut VisualTestContext,
6291 ) -> Box<Entity<TestItem>> {
6292 pane.update_in(cx, |pane, window, cx| {
6293 let labeled_item =
6294 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
6295 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
6296 labeled_item
6297 })
6298 }
6299
6300 fn set_labeled_items<const COUNT: usize>(
6301 pane: &Entity<Pane>,
6302 labels: [&str; COUNT],
6303 cx: &mut VisualTestContext,
6304 ) -> [Box<Entity<TestItem>>; COUNT] {
6305 pane.update_in(cx, |pane, window, cx| {
6306 pane.items.clear();
6307 let mut active_item_index = 0;
6308
6309 let mut index = 0;
6310 let items = labels.map(|mut label| {
6311 if label.ends_with('*') {
6312 label = label.trim_end_matches('*');
6313 active_item_index = index;
6314 }
6315
6316 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
6317 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
6318 index += 1;
6319 labeled_item
6320 });
6321
6322 pane.activate_item(active_item_index, false, false, window, cx);
6323
6324 items
6325 })
6326 }
6327
6328 // Assert the item label, with the active item label suffixed with a '*'
6329 #[track_caller]
6330 fn assert_item_labels<const COUNT: usize>(
6331 pane: &Entity<Pane>,
6332 expected_states: [&str; COUNT],
6333 cx: &mut VisualTestContext,
6334 ) {
6335 let actual_states = pane.update(cx, |pane, cx| {
6336 pane.items
6337 .iter()
6338 .enumerate()
6339 .map(|(ix, item)| {
6340 let mut state = item
6341 .to_any()
6342 .downcast::<TestItem>()
6343 .unwrap()
6344 .read(cx)
6345 .label
6346 .clone();
6347 if ix == pane.active_item_index {
6348 state.push('*');
6349 }
6350 if item.is_dirty(cx) {
6351 state.push('^');
6352 }
6353 if pane.is_tab_pinned(ix) {
6354 state.push('!');
6355 }
6356 state
6357 })
6358 .collect::<Vec<_>>()
6359 });
6360 assert_eq!(
6361 actual_states, expected_states,
6362 "pane items do not match expectation"
6363 );
6364 }
6365}