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