1use crate::{
2 item::{
3 ClosePosition, Item, ItemHandle, ItemSettings, PreviewTabsSettings, TabContentParams,
4 WeakItemHandle,
5 },
6 toolbar::Toolbar,
7 workspace_settings::{AutosaveSetting, TabBarSettings, WorkspaceSettings},
8 NewCenterTerminal, NewFile, NewSearch, OpenInTerminal, OpenTerminal, OpenVisible,
9 SplitDirection, ToggleZoom, Workspace,
10};
11use anyhow::Result;
12use collections::{HashMap, HashSet, VecDeque};
13use futures::{stream::FuturesUnordered, StreamExt};
14use gpui::{
15 actions, anchored, deferred, impl_actions, prelude::*, Action, AnchorCorner, AnyElement,
16 AppContext, AsyncWindowContext, ClickEvent, DismissEvent, Div, DragMoveEvent, EntityId,
17 EventEmitter, ExternalPaths, FocusHandle, FocusableView, KeyContext, Model, MouseButton,
18 MouseDownEvent, NavigationDirection, Pixels, Point, PromptLevel, Render, ScrollHandle,
19 Subscription, Task, View, ViewContext, VisualContext, WeakFocusHandle, WeakView, WindowContext,
20};
21use parking_lot::Mutex;
22use project::{Project, ProjectEntryId, ProjectPath};
23use serde::Deserialize;
24use settings::{Settings, SettingsStore};
25use std::{
26 any::Any,
27 cmp, fmt, mem,
28 ops::ControlFlow,
29 path::PathBuf,
30 rc::Rc,
31 sync::{
32 atomic::{AtomicUsize, Ordering},
33 Arc,
34 },
35};
36use theme::ThemeSettings;
37
38use ui::{
39 prelude::*, right_click_menu, ButtonSize, Color, IconButton, IconButtonShape, IconName,
40 IconSize, Indicator, Label, Tab, TabBar, TabPosition, Tooltip,
41};
42use ui::{v_flex, ContextMenu};
43use util::{maybe, truncate_and_remove_front, ResultExt};
44
45#[derive(PartialEq, Clone, Copy, Deserialize, Debug)]
46#[serde(rename_all = "camelCase")]
47pub enum SaveIntent {
48 /// write all files (even if unchanged)
49 /// prompt before overwriting on-disk changes
50 Save,
51 /// same as Save, but without auto formatting
52 SaveWithoutFormat,
53 /// write any files that have local changes
54 /// prompt before overwriting on-disk changes
55 SaveAll,
56 /// always prompt for a new path
57 SaveAs,
58 /// prompt "you have unsaved changes" before writing
59 Close,
60 /// write all dirty files, don't prompt on conflict
61 Overwrite,
62 /// skip all save-related behavior
63 Skip,
64}
65
66#[derive(Clone, Deserialize, PartialEq, Debug)]
67pub struct ActivateItem(pub usize);
68
69#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
70#[serde(rename_all = "camelCase")]
71pub struct CloseActiveItem {
72 pub save_intent: Option<SaveIntent>,
73}
74
75#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
76#[serde(rename_all = "camelCase")]
77pub struct CloseInactiveItems {
78 pub save_intent: Option<SaveIntent>,
79}
80
81#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
82#[serde(rename_all = "camelCase")]
83pub struct CloseAllItems {
84 pub save_intent: Option<SaveIntent>,
85}
86
87#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
88#[serde(rename_all = "camelCase")]
89pub struct RevealInProjectPanel {
90 pub entry_id: Option<u64>,
91}
92
93#[derive(PartialEq, Clone, Deserialize)]
94pub struct DeploySearch {
95 #[serde(default)]
96 pub replace_enabled: bool,
97}
98
99impl_actions!(
100 pane,
101 [
102 CloseAllItems,
103 CloseActiveItem,
104 CloseInactiveItems,
105 ActivateItem,
106 RevealInProjectPanel,
107 DeploySearch,
108 ]
109);
110
111actions!(
112 pane,
113 [
114 ActivatePrevItem,
115 ActivateNextItem,
116 ActivateLastItem,
117 CloseCleanItems,
118 CloseItemsToTheLeft,
119 CloseItemsToTheRight,
120 GoBack,
121 GoForward,
122 ReopenClosedItem,
123 SplitLeft,
124 SplitUp,
125 SplitRight,
126 SplitDown,
127 TogglePreviewTab,
128 ]
129);
130
131impl DeploySearch {
132 pub fn find() -> Self {
133 Self {
134 replace_enabled: false,
135 }
136 }
137}
138
139const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
140
141pub enum Event {
142 AddItem { item: Box<dyn ItemHandle> },
143 ActivateItem { local: bool },
144 Remove,
145 RemoveItem { item_id: EntityId },
146 Split(SplitDirection),
147 ChangeItemTitle,
148 Focus,
149 ZoomIn,
150 ZoomOut,
151}
152
153impl fmt::Debug for Event {
154 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
155 match self {
156 Event::AddItem { item } => f
157 .debug_struct("AddItem")
158 .field("item", &item.item_id())
159 .finish(),
160 Event::ActivateItem { local } => f
161 .debug_struct("ActivateItem")
162 .field("local", local)
163 .finish(),
164 Event::Remove => f.write_str("Remove"),
165 Event::RemoveItem { item_id } => f
166 .debug_struct("RemoveItem")
167 .field("item_id", item_id)
168 .finish(),
169 Event::Split(direction) => f
170 .debug_struct("Split")
171 .field("direction", direction)
172 .finish(),
173 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
174 Event::Focus => f.write_str("Focus"),
175 Event::ZoomIn => f.write_str("ZoomIn"),
176 Event::ZoomOut => f.write_str("ZoomOut"),
177 }
178 }
179}
180
181/// A container for 0 to many items that are open in the workspace.
182/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
183/// responsible for managing item tabs, focus and zoom states and drag and drop features.
184/// Can be split, see `PaneGroup` for more details.
185pub struct Pane {
186 focus_handle: FocusHandle,
187 items: Vec<Box<dyn ItemHandle>>,
188 activation_history: Vec<EntityId>,
189 zoomed: bool,
190 was_focused: bool,
191 active_item_index: usize,
192 preview_item_id: Option<EntityId>,
193 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
194 nav_history: NavHistory,
195 toolbar: View<Toolbar>,
196 pub new_item_menu: Option<View<ContextMenu>>,
197 split_item_menu: Option<View<ContextMenu>>,
198 // tab_context_menu: View<ContextMenu>,
199 pub(crate) workspace: WeakView<Workspace>,
200 project: Model<Project>,
201 drag_split_direction: Option<SplitDirection>,
202 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut WindowContext) -> bool>>,
203 custom_drop_handle:
204 Option<Arc<dyn Fn(&mut Pane, &dyn Any, &mut ViewContext<Pane>) -> ControlFlow<(), ()>>>,
205 can_split: bool,
206 render_tab_bar_buttons: Rc<dyn Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement>,
207 _subscriptions: Vec<Subscription>,
208 tab_bar_scroll_handle: ScrollHandle,
209 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
210 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
211 display_nav_history_buttons: Option<bool>,
212 double_click_dispatch_action: Box<dyn Action>,
213}
214
215pub struct ItemNavHistory {
216 history: NavHistory,
217 item: Arc<dyn WeakItemHandle>,
218 is_preview: bool,
219}
220
221#[derive(Clone)]
222pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
223
224struct NavHistoryState {
225 mode: NavigationMode,
226 backward_stack: VecDeque<NavigationEntry>,
227 forward_stack: VecDeque<NavigationEntry>,
228 closed_stack: VecDeque<NavigationEntry>,
229 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
230 pane: WeakView<Pane>,
231 next_timestamp: Arc<AtomicUsize>,
232}
233
234#[derive(Debug, Copy, Clone)]
235pub enum NavigationMode {
236 Normal,
237 GoingBack,
238 GoingForward,
239 ClosingItem,
240 ReopeningClosedItem,
241 Disabled,
242}
243
244impl Default for NavigationMode {
245 fn default() -> Self {
246 Self::Normal
247 }
248}
249
250pub struct NavigationEntry {
251 pub item: Arc<dyn WeakItemHandle>,
252 pub data: Option<Box<dyn Any + Send>>,
253 pub timestamp: usize,
254 pub is_preview: bool,
255}
256
257#[derive(Clone)]
258pub struct DraggedTab {
259 pub pane: View<Pane>,
260 pub item: Box<dyn ItemHandle>,
261 pub ix: usize,
262 pub detail: usize,
263 pub is_active: bool,
264}
265
266impl EventEmitter<Event> for Pane {}
267
268impl Pane {
269 pub fn new(
270 workspace: WeakView<Workspace>,
271 project: Model<Project>,
272 next_timestamp: Arc<AtomicUsize>,
273 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut WindowContext) -> bool + 'static>>,
274 double_click_dispatch_action: Box<dyn Action>,
275 cx: &mut ViewContext<Self>,
276 ) -> Self {
277 let focus_handle = cx.focus_handle();
278
279 let subscriptions = vec![
280 cx.on_focus(&focus_handle, Pane::focus_in),
281 cx.on_focus_in(&focus_handle, Pane::focus_in),
282 cx.on_focus_out(&focus_handle, Pane::focus_out),
283 cx.observe_global::<SettingsStore>(Self::settings_changed),
284 ];
285
286 let handle = cx.view().downgrade();
287 Self {
288 focus_handle,
289 items: Vec::new(),
290 activation_history: Vec::new(),
291 was_focused: false,
292 zoomed: false,
293 active_item_index: 0,
294 preview_item_id: None,
295 last_focus_handle_by_item: Default::default(),
296 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
297 mode: NavigationMode::Normal,
298 backward_stack: Default::default(),
299 forward_stack: Default::default(),
300 closed_stack: Default::default(),
301 paths_by_item: Default::default(),
302 pane: handle.clone(),
303 next_timestamp,
304 }))),
305 toolbar: cx.new_view(|_| Toolbar::new()),
306 new_item_menu: None,
307 split_item_menu: None,
308 tab_bar_scroll_handle: ScrollHandle::new(),
309 drag_split_direction: None,
310 workspace,
311 project,
312 can_drop_predicate,
313 custom_drop_handle: None,
314 can_split: true,
315 render_tab_bar_buttons: Rc::new(move |pane, cx| {
316 h_flex()
317 .gap_2()
318 .child(
319 IconButton::new("plus", IconName::Plus)
320 .icon_size(IconSize::Small)
321 .icon_color(Color::Muted)
322 .on_click(cx.listener(|pane, _, cx| {
323 let menu = ContextMenu::build(cx, |menu, _| {
324 menu.action("New File", NewFile.boxed_clone())
325 .action("New Terminal", NewCenterTerminal.boxed_clone())
326 .action("New Search", NewSearch.boxed_clone())
327 });
328 cx.subscribe(&menu, |pane, _, _: &DismissEvent, cx| {
329 pane.focus(cx);
330 pane.new_item_menu = None;
331 })
332 .detach();
333 pane.new_item_menu = Some(menu);
334 }))
335 .tooltip(|cx| Tooltip::text("New...", cx)),
336 )
337 .when_some(pane.new_item_menu.as_ref(), |el, new_item_menu| {
338 el.child(Self::render_menu_overlay(new_item_menu))
339 })
340 .child(
341 IconButton::new("split", IconName::Split)
342 .icon_size(IconSize::Small)
343 .icon_color(Color::Muted)
344 .on_click(cx.listener(|pane, _, cx| {
345 let menu = ContextMenu::build(cx, |menu, _| {
346 menu.action("Split Right", SplitRight.boxed_clone())
347 .action("Split Left", SplitLeft.boxed_clone())
348 .action("Split Up", SplitUp.boxed_clone())
349 .action("Split Down", SplitDown.boxed_clone())
350 });
351 cx.subscribe(&menu, |pane, _, _: &DismissEvent, cx| {
352 pane.focus(cx);
353 pane.split_item_menu = None;
354 })
355 .detach();
356 pane.split_item_menu = Some(menu);
357 }))
358 .tooltip(|cx| Tooltip::text("Split Pane", cx)),
359 )
360 .child({
361 let zoomed = pane.is_zoomed();
362 IconButton::new("toggle_zoom", IconName::Maximize)
363 .icon_size(IconSize::Small)
364 .icon_color(Color::Muted)
365 .selected(zoomed)
366 .selected_icon(IconName::Minimize)
367 .on_click(cx.listener(|pane, _, cx| {
368 pane.toggle_zoom(&crate::ToggleZoom, cx);
369 }))
370 .tooltip(move |cx| {
371 Tooltip::for_action(
372 if zoomed { "Zoom Out" } else { "Zoom In" },
373 &ToggleZoom,
374 cx,
375 )
376 })
377 })
378 .when_some(pane.split_item_menu.as_ref(), |el, split_item_menu| {
379 el.child(Self::render_menu_overlay(split_item_menu))
380 })
381 .into_any_element()
382 }),
383 display_nav_history_buttons: Some(
384 TabBarSettings::get_global(cx).show_nav_history_buttons,
385 ),
386 _subscriptions: subscriptions,
387 double_click_dispatch_action,
388 }
389 }
390
391 pub fn has_focus(&self, cx: &WindowContext) -> bool {
392 // We not only check whether our focus handle contains focus, but also
393 // whether the active_item might have focus, because we might have just activated an item
394 // but that hasn't rendered yet.
395 // So before the next render, we might have transferred focus
396 // to the item and `focus_handle.contains_focus` returns false because the `active_item`
397 // is not hooked up to us in the dispatch tree.
398 self.focus_handle.contains_focused(cx)
399 || self
400 .active_item()
401 .map_or(false, |item| item.focus_handle(cx).contains_focused(cx))
402 }
403
404 fn focus_in(&mut self, cx: &mut ViewContext<Self>) {
405 if !self.was_focused {
406 self.was_focused = true;
407 cx.emit(Event::Focus);
408 cx.notify();
409 }
410
411 self.toolbar.update(cx, |toolbar, cx| {
412 toolbar.focus_changed(true, cx);
413 });
414
415 if let Some(active_item) = self.active_item() {
416 if self.focus_handle.is_focused(cx) {
417 // Pane was focused directly. We need to either focus a view inside the active item,
418 // or focus the active item itself
419 if let Some(weak_last_focus_handle) =
420 self.last_focus_handle_by_item.get(&active_item.item_id())
421 {
422 if let Some(focus_handle) = weak_last_focus_handle.upgrade() {
423 focus_handle.focus(cx);
424 return;
425 }
426 }
427
428 active_item.focus_handle(cx).focus(cx);
429 } else if let Some(focused) = cx.focused() {
430 if !self.context_menu_focused(cx) {
431 self.last_focus_handle_by_item
432 .insert(active_item.item_id(), focused.downgrade());
433 }
434 }
435 }
436 }
437
438 fn context_menu_focused(&self, cx: &mut ViewContext<Self>) -> bool {
439 self.new_item_menu
440 .as_ref()
441 .or(self.split_item_menu.as_ref())
442 .map_or(false, |menu| menu.focus_handle(cx).is_focused(cx))
443 }
444
445 fn focus_out(&mut self, cx: &mut ViewContext<Self>) {
446 self.was_focused = false;
447 self.toolbar.update(cx, |toolbar, cx| {
448 toolbar.focus_changed(false, cx);
449 });
450 cx.notify();
451 }
452
453 fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
454 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
455 *display_nav_history_buttons = TabBarSettings::get_global(cx).show_nav_history_buttons;
456 }
457 if !PreviewTabsSettings::get_global(cx).enabled {
458 self.preview_item_id = None;
459 }
460 cx.notify();
461 }
462
463 pub fn active_item_index(&self) -> usize {
464 self.active_item_index
465 }
466
467 pub fn activation_history(&self) -> &Vec<EntityId> {
468 &self.activation_history
469 }
470
471 pub fn set_can_split(&mut self, can_split: bool, cx: &mut ViewContext<Self>) {
472 self.can_split = can_split;
473 cx.notify();
474 }
475
476 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut ViewContext<Self>) {
477 self.toolbar.update(cx, |toolbar, cx| {
478 toolbar.set_can_navigate(can_navigate, cx);
479 });
480 cx.notify();
481 }
482
483 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut ViewContext<Self>, render: F)
484 where
485 F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement,
486 {
487 self.render_tab_bar_buttons = Rc::new(render);
488 cx.notify();
489 }
490
491 pub fn set_custom_drop_handle<F>(&mut self, cx: &mut ViewContext<Self>, handle: F)
492 where
493 F: 'static + Fn(&mut Pane, &dyn Any, &mut ViewContext<Pane>) -> ControlFlow<(), ()>,
494 {
495 self.custom_drop_handle = Some(Arc::new(handle));
496 cx.notify();
497 }
498
499 pub fn nav_history_for_item<T: Item>(&self, item: &View<T>) -> ItemNavHistory {
500 ItemNavHistory {
501 history: self.nav_history.clone(),
502 item: Arc::new(item.downgrade()),
503 is_preview: self.preview_item_id == Some(item.item_id()),
504 }
505 }
506
507 pub fn nav_history(&self) -> &NavHistory {
508 &self.nav_history
509 }
510
511 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
512 &mut self.nav_history
513 }
514
515 pub fn disable_history(&mut self) {
516 self.nav_history.disable();
517 }
518
519 pub fn enable_history(&mut self) {
520 self.nav_history.enable();
521 }
522
523 pub fn can_navigate_backward(&self) -> bool {
524 !self.nav_history.0.lock().backward_stack.is_empty()
525 }
526
527 pub fn can_navigate_forward(&self) -> bool {
528 !self.nav_history.0.lock().forward_stack.is_empty()
529 }
530
531 fn navigate_backward(&mut self, cx: &mut ViewContext<Self>) {
532 if let Some(workspace) = self.workspace.upgrade() {
533 let pane = cx.view().downgrade();
534 cx.window_context().defer(move |cx| {
535 workspace.update(cx, |workspace, cx| {
536 workspace.go_back(pane, cx).detach_and_log_err(cx)
537 })
538 })
539 }
540 }
541
542 fn navigate_forward(&mut self, cx: &mut ViewContext<Self>) {
543 if let Some(workspace) = self.workspace.upgrade() {
544 let pane = cx.view().downgrade();
545 cx.window_context().defer(move |cx| {
546 workspace.update(cx, |workspace, cx| {
547 workspace.go_forward(pane, cx).detach_and_log_err(cx)
548 })
549 })
550 }
551 }
552
553 fn history_updated(&mut self, cx: &mut ViewContext<Self>) {
554 self.toolbar.update(cx, |_, cx| cx.notify());
555 }
556
557 pub fn preview_item_id(&self) -> Option<EntityId> {
558 self.preview_item_id
559 }
560
561 fn preview_item_idx(&self) -> Option<usize> {
562 if let Some(preview_item_id) = self.preview_item_id {
563 self.items
564 .iter()
565 .position(|item| item.item_id() == preview_item_id)
566 } else {
567 None
568 }
569 }
570
571 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
572 self.preview_item_id == Some(item_id)
573 }
574
575 /// Marks the item with the given ID as the preview item.
576 /// This will be ignored if the global setting `preview_tabs` is disabled.
577 pub fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &AppContext) {
578 if PreviewTabsSettings::get_global(cx).enabled {
579 self.preview_item_id = item_id;
580 }
581 }
582
583 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &AppContext) {
584 if let Some(preview_item_id) = self.preview_item_id {
585 if preview_item_id == item_id {
586 self.set_preview_item_id(None, cx)
587 }
588 }
589 }
590
591 pub(crate) fn open_item(
592 &mut self,
593 project_entry_id: Option<ProjectEntryId>,
594 focus_item: bool,
595 allow_preview: bool,
596 cx: &mut ViewContext<Self>,
597 build_item: impl FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
598 ) -> Box<dyn ItemHandle> {
599 let mut existing_item = None;
600 if let Some(project_entry_id) = project_entry_id {
601 for (index, item) in self.items.iter().enumerate() {
602 if item.is_singleton(cx)
603 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
604 {
605 let item = item.boxed_clone();
606 existing_item = Some((index, item));
607 break;
608 }
609 }
610 }
611
612 if let Some((index, existing_item)) = existing_item {
613 // If the item is already open, and the item is a preview item
614 // and we are not allowing items to open as preview, mark the item as persistent.
615 if let Some(preview_item_id) = self.preview_item_id {
616 if let Some(tab) = self.items.get(index) {
617 if tab.item_id() == preview_item_id && !allow_preview {
618 self.set_preview_item_id(None, cx);
619 }
620 }
621 }
622
623 self.activate_item(index, focus_item, focus_item, cx);
624 existing_item
625 } else {
626 // If the item is being opened as preview and we have an existing preview tab,
627 // open the new item in the position of the existing preview tab.
628 let destination_index = if allow_preview {
629 self.close_current_preview_item(cx)
630 } else {
631 None
632 };
633
634 let new_item = build_item(cx);
635
636 if allow_preview {
637 self.set_preview_item_id(Some(new_item.item_id()), cx);
638 }
639
640 self.add_item(new_item.clone(), true, focus_item, destination_index, cx);
641
642 new_item
643 }
644 }
645
646 pub fn close_current_preview_item(&mut self, cx: &mut ViewContext<Self>) -> Option<usize> {
647 let Some(item_idx) = self.preview_item_idx() else {
648 return None;
649 };
650
651 let prev_active_item_index = self.active_item_index;
652 self.remove_item(item_idx, false, false, cx);
653 self.active_item_index = prev_active_item_index;
654
655 if item_idx < self.items.len() {
656 Some(item_idx)
657 } else {
658 None
659 }
660 }
661
662 pub fn add_item(
663 &mut self,
664 item: Box<dyn ItemHandle>,
665 activate_pane: bool,
666 focus_item: bool,
667 destination_index: Option<usize>,
668 cx: &mut ViewContext<Self>,
669 ) {
670 if item.is_singleton(cx) {
671 if let Some(&entry_id) = item.project_entry_ids(cx).get(0) {
672 let project = self.project.read(cx);
673 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
674 let abs_path = project.absolute_path(&project_path, cx);
675 self.nav_history
676 .0
677 .lock()
678 .paths_by_item
679 .insert(item.item_id(), (project_path, abs_path));
680 }
681 }
682 }
683 // If no destination index is specified, add or move the item after the active item.
684 let mut insertion_index = {
685 cmp::min(
686 if let Some(destination_index) = destination_index {
687 destination_index
688 } else {
689 self.active_item_index + 1
690 },
691 self.items.len(),
692 )
693 };
694
695 // Does the item already exist?
696 let project_entry_id = if item.is_singleton(cx) {
697 item.project_entry_ids(cx).get(0).copied()
698 } else {
699 None
700 };
701
702 let existing_item_index = self.items.iter().position(|existing_item| {
703 if existing_item.item_id() == item.item_id() {
704 true
705 } else if existing_item.is_singleton(cx) {
706 existing_item
707 .project_entry_ids(cx)
708 .get(0)
709 .map_or(false, |existing_entry_id| {
710 Some(existing_entry_id) == project_entry_id.as_ref()
711 })
712 } else {
713 false
714 }
715 });
716
717 if let Some(existing_item_index) = existing_item_index {
718 // If the item already exists, move it to the desired destination and activate it
719
720 if existing_item_index != insertion_index {
721 let existing_item_is_active = existing_item_index == self.active_item_index;
722
723 // If the caller didn't specify a destination and the added item is already
724 // the active one, don't move it
725 if existing_item_is_active && destination_index.is_none() {
726 insertion_index = existing_item_index;
727 } else {
728 self.items.remove(existing_item_index);
729 if existing_item_index < self.active_item_index {
730 self.active_item_index -= 1;
731 }
732 insertion_index = insertion_index.min(self.items.len());
733
734 self.items.insert(insertion_index, item.clone());
735
736 if existing_item_is_active {
737 self.active_item_index = insertion_index;
738 } else if insertion_index <= self.active_item_index {
739 self.active_item_index += 1;
740 }
741 }
742
743 cx.notify();
744 }
745
746 self.activate_item(insertion_index, activate_pane, focus_item, cx);
747 } else {
748 self.items.insert(insertion_index, item.clone());
749
750 if insertion_index <= self.active_item_index
751 && self.preview_item_idx() != Some(self.active_item_index)
752 {
753 self.active_item_index += 1;
754 }
755
756 self.activate_item(insertion_index, activate_pane, focus_item, cx);
757 cx.notify();
758 }
759
760 cx.emit(Event::AddItem { item });
761 }
762
763 pub fn items_len(&self) -> usize {
764 self.items.len()
765 }
766
767 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
768 self.items.iter()
769 }
770
771 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = View<T>> {
772 self.items
773 .iter()
774 .filter_map(|item| item.to_any().downcast().ok())
775 }
776
777 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
778 self.items.get(self.active_item_index).cloned()
779 }
780
781 pub fn pixel_position_of_cursor(&self, cx: &AppContext) -> Option<Point<Pixels>> {
782 self.items
783 .get(self.active_item_index)?
784 .pixel_position_of_cursor(cx)
785 }
786
787 pub fn item_for_entry(
788 &self,
789 entry_id: ProjectEntryId,
790 cx: &AppContext,
791 ) -> Option<Box<dyn ItemHandle>> {
792 self.items.iter().find_map(|item| {
793 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
794 Some(item.boxed_clone())
795 } else {
796 None
797 }
798 })
799 }
800
801 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
802 self.items
803 .iter()
804 .position(|i| i.item_id() == item.item_id())
805 }
806
807 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
808 self.items.get(ix).map(|i| i.as_ref())
809 }
810
811 pub fn toggle_zoom(&mut self, _: &ToggleZoom, cx: &mut ViewContext<Self>) {
812 if self.zoomed {
813 cx.emit(Event::ZoomOut);
814 } else if !self.items.is_empty() {
815 if !self.focus_handle.contains_focused(cx) {
816 cx.focus_self();
817 }
818 cx.emit(Event::ZoomIn);
819 }
820 }
821
822 pub fn activate_item(
823 &mut self,
824 index: usize,
825 activate_pane: bool,
826 focus_item: bool,
827 cx: &mut ViewContext<Self>,
828 ) {
829 use NavigationMode::{GoingBack, GoingForward};
830
831 if index < self.items.len() {
832 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
833 if prev_active_item_ix != self.active_item_index
834 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
835 {
836 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
837 prev_item.deactivated(cx);
838 }
839 }
840 cx.emit(Event::ActivateItem {
841 local: activate_pane,
842 });
843
844 if let Some(newly_active_item) = self.items.get(index) {
845 self.activation_history
846 .retain(|&previously_active_item_id| {
847 previously_active_item_id != newly_active_item.item_id()
848 });
849 self.activation_history.push(newly_active_item.item_id());
850 }
851
852 self.update_toolbar(cx);
853 self.update_status_bar(cx);
854
855 if focus_item {
856 self.focus_active_item(cx);
857 }
858
859 self.tab_bar_scroll_handle.scroll_to_item(index);
860 cx.notify();
861 }
862 }
863
864 pub fn activate_prev_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
865 let mut index = self.active_item_index;
866 if index > 0 {
867 index -= 1;
868 } else if !self.items.is_empty() {
869 index = self.items.len() - 1;
870 }
871 self.activate_item(index, activate_pane, activate_pane, cx);
872 }
873
874 pub fn activate_next_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
875 let mut index = self.active_item_index;
876 if index + 1 < self.items.len() {
877 index += 1;
878 } else {
879 index = 0;
880 }
881 self.activate_item(index, activate_pane, activate_pane, cx);
882 }
883
884 pub fn close_active_item(
885 &mut self,
886 action: &CloseActiveItem,
887 cx: &mut ViewContext<Self>,
888 ) -> Option<Task<Result<()>>> {
889 if self.items.is_empty() {
890 return None;
891 }
892 let active_item_id = self.items[self.active_item_index].item_id();
893 Some(self.close_item_by_id(
894 active_item_id,
895 action.save_intent.unwrap_or(SaveIntent::Close),
896 cx,
897 ))
898 }
899
900 pub fn close_item_by_id(
901 &mut self,
902 item_id_to_close: EntityId,
903 save_intent: SaveIntent,
904 cx: &mut ViewContext<Self>,
905 ) -> Task<Result<()>> {
906 self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
907 }
908
909 pub fn close_inactive_items(
910 &mut self,
911 action: &CloseInactiveItems,
912 cx: &mut ViewContext<Self>,
913 ) -> Option<Task<Result<()>>> {
914 if self.items.is_empty() {
915 return None;
916 }
917
918 let active_item_id = self.items[self.active_item_index].item_id();
919 Some(self.close_items(
920 cx,
921 action.save_intent.unwrap_or(SaveIntent::Close),
922 move |item_id| item_id != active_item_id,
923 ))
924 }
925
926 pub fn close_clean_items(
927 &mut self,
928 _: &CloseCleanItems,
929 cx: &mut ViewContext<Self>,
930 ) -> Option<Task<Result<()>>> {
931 let item_ids: Vec<_> = self
932 .items()
933 .filter(|item| !item.is_dirty(cx))
934 .map(|item| item.item_id())
935 .collect();
936 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
937 item_ids.contains(&item_id)
938 }))
939 }
940
941 pub fn close_items_to_the_left(
942 &mut self,
943 _: &CloseItemsToTheLeft,
944 cx: &mut ViewContext<Self>,
945 ) -> Option<Task<Result<()>>> {
946 if self.items.is_empty() {
947 return None;
948 }
949 let active_item_id = self.items[self.active_item_index].item_id();
950 Some(self.close_items_to_the_left_by_id(active_item_id, cx))
951 }
952
953 pub fn close_items_to_the_left_by_id(
954 &mut self,
955 item_id: EntityId,
956 cx: &mut ViewContext<Self>,
957 ) -> Task<Result<()>> {
958 let item_ids: Vec<_> = self
959 .items()
960 .take_while(|item| item.item_id() != item_id)
961 .map(|item| item.item_id())
962 .collect();
963 self.close_items(cx, SaveIntent::Close, move |item_id| {
964 item_ids.contains(&item_id)
965 })
966 }
967
968 pub fn close_items_to_the_right(
969 &mut self,
970 _: &CloseItemsToTheRight,
971 cx: &mut ViewContext<Self>,
972 ) -> Option<Task<Result<()>>> {
973 if self.items.is_empty() {
974 return None;
975 }
976 let active_item_id = self.items[self.active_item_index].item_id();
977 Some(self.close_items_to_the_right_by_id(active_item_id, cx))
978 }
979
980 pub fn close_items_to_the_right_by_id(
981 &mut self,
982 item_id: EntityId,
983 cx: &mut ViewContext<Self>,
984 ) -> Task<Result<()>> {
985 let item_ids: Vec<_> = self
986 .items()
987 .rev()
988 .take_while(|item| item.item_id() != item_id)
989 .map(|item| item.item_id())
990 .collect();
991 self.close_items(cx, SaveIntent::Close, move |item_id| {
992 item_ids.contains(&item_id)
993 })
994 }
995
996 pub fn close_all_items(
997 &mut self,
998 action: &CloseAllItems,
999 cx: &mut ViewContext<Self>,
1000 ) -> Option<Task<Result<()>>> {
1001 if self.items.is_empty() {
1002 return None;
1003 }
1004
1005 Some(
1006 self.close_items(cx, action.save_intent.unwrap_or(SaveIntent::Close), |_| {
1007 true
1008 }),
1009 )
1010 }
1011
1012 pub(super) fn file_names_for_prompt(
1013 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1014 all_dirty_items: usize,
1015 cx: &AppContext,
1016 ) -> (String, String) {
1017 /// Quantity of item paths displayed in prompt prior to cutoff..
1018 const FILE_NAMES_CUTOFF_POINT: usize = 10;
1019 let mut file_names: Vec<_> = items
1020 .filter_map(|item| {
1021 item.project_path(cx).and_then(|project_path| {
1022 project_path
1023 .path
1024 .file_name()
1025 .and_then(|name| name.to_str().map(ToOwned::to_owned))
1026 })
1027 })
1028 .take(FILE_NAMES_CUTOFF_POINT)
1029 .collect();
1030 let should_display_followup_text =
1031 all_dirty_items > FILE_NAMES_CUTOFF_POINT || file_names.len() != all_dirty_items;
1032 if should_display_followup_text {
1033 let not_shown_files = all_dirty_items - file_names.len();
1034 if not_shown_files == 1 {
1035 file_names.push(".. 1 file not shown".into());
1036 } else {
1037 file_names.push(format!(".. {} files not shown", not_shown_files));
1038 }
1039 }
1040 (
1041 format!(
1042 "Do you want to save changes to the following {} files?",
1043 all_dirty_items
1044 ),
1045 file_names.join("\n"),
1046 )
1047 }
1048
1049 pub fn close_items(
1050 &mut self,
1051 cx: &mut ViewContext<Pane>,
1052 mut save_intent: SaveIntent,
1053 should_close: impl Fn(EntityId) -> bool,
1054 ) -> Task<Result<()>> {
1055 // Find the items to close.
1056 let mut items_to_close = Vec::new();
1057 let mut dirty_items = Vec::new();
1058 for item in &self.items {
1059 if should_close(item.item_id()) {
1060 items_to_close.push(item.boxed_clone());
1061 if item.is_dirty(cx) {
1062 dirty_items.push(item.boxed_clone());
1063 }
1064 }
1065 }
1066
1067 // If a buffer is open both in a singleton editor and in a multibuffer, make sure
1068 // to focus the singleton buffer when prompting to save that buffer, as opposed
1069 // to focusing the multibuffer, because this gives the user a more clear idea
1070 // of what content they would be saving.
1071 items_to_close.sort_by_key(|item| !item.is_singleton(cx));
1072
1073 let workspace = self.workspace.clone();
1074 cx.spawn(|pane, mut cx| async move {
1075 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1076 let answer = pane.update(&mut cx, |_, cx| {
1077 let (prompt, detail) =
1078 Self::file_names_for_prompt(&mut dirty_items.iter(), dirty_items.len(), cx);
1079 cx.prompt(
1080 PromptLevel::Warning,
1081 &prompt,
1082 Some(&detail),
1083 &["Save all", "Discard all", "Cancel"],
1084 )
1085 })?;
1086 match answer.await {
1087 Ok(0) => save_intent = SaveIntent::SaveAll,
1088 Ok(1) => save_intent = SaveIntent::Skip,
1089 _ => {}
1090 }
1091 }
1092 let mut saved_project_items_ids = HashSet::default();
1093 for item in items_to_close.clone() {
1094 // Find the item's current index and its set of project item models. Avoid
1095 // storing these in advance, in case they have changed since this task
1096 // was started.
1097 let (item_ix, mut project_item_ids) = pane.update(&mut cx, |pane, cx| {
1098 (pane.index_for_item(&*item), item.project_item_model_ids(cx))
1099 })?;
1100 let item_ix = if let Some(ix) = item_ix {
1101 ix
1102 } else {
1103 continue;
1104 };
1105
1106 // Check if this view has any project items that are not open anywhere else
1107 // in the workspace, AND that the user has not already been prompted to save.
1108 // If there are any such project entries, prompt the user to save this item.
1109 let project = workspace.update(&mut cx, |workspace, cx| {
1110 for item in workspace.items(cx) {
1111 if !items_to_close
1112 .iter()
1113 .any(|item_to_close| item_to_close.item_id() == item.item_id())
1114 {
1115 let other_project_item_ids = item.project_item_model_ids(cx);
1116 project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1117 }
1118 }
1119 workspace.project().clone()
1120 })?;
1121 let should_save = project_item_ids
1122 .iter()
1123 .any(|id| saved_project_items_ids.insert(*id));
1124
1125 if should_save
1126 && !Self::save_item(
1127 project.clone(),
1128 &pane,
1129 item_ix,
1130 &*item,
1131 save_intent,
1132 &mut cx,
1133 )
1134 .await?
1135 {
1136 break;
1137 }
1138
1139 // Remove the item from the pane.
1140 pane.update(&mut cx, |pane, cx| {
1141 if let Some(item_ix) = pane
1142 .items
1143 .iter()
1144 .position(|i| i.item_id() == item.item_id())
1145 {
1146 pane.remove_item(item_ix, false, true, cx);
1147 }
1148 })
1149 .ok();
1150 }
1151
1152 pane.update(&mut cx, |_, cx| cx.notify()).ok();
1153 Ok(())
1154 })
1155 }
1156
1157 pub fn remove_item(
1158 &mut self,
1159 item_index: usize,
1160 activate_pane: bool,
1161 close_pane_if_empty: bool,
1162 cx: &mut ViewContext<Self>,
1163 ) {
1164 self.activation_history
1165 .retain(|&history_entry| history_entry != self.items[item_index].item_id());
1166
1167 if item_index == self.active_item_index {
1168 let index_to_activate = self
1169 .activation_history
1170 .pop()
1171 .and_then(|last_activated_item| {
1172 self.items.iter().enumerate().find_map(|(index, item)| {
1173 (item.item_id() == last_activated_item).then_some(index)
1174 })
1175 })
1176 // We didn't have a valid activation history entry, so fallback
1177 // to activating the item to the left
1178 .unwrap_or_else(|| item_index.min(self.items.len()).saturating_sub(1));
1179
1180 let should_activate = activate_pane || self.has_focus(cx);
1181 if self.items.len() == 1 && should_activate {
1182 self.focus_handle.focus(cx);
1183 } else {
1184 self.activate_item(index_to_activate, should_activate, should_activate, cx);
1185 }
1186 }
1187
1188 let item = self.items.remove(item_index);
1189
1190 cx.emit(Event::RemoveItem {
1191 item_id: item.item_id(),
1192 });
1193 if self.items.is_empty() {
1194 item.deactivated(cx);
1195 if close_pane_if_empty {
1196 self.update_toolbar(cx);
1197 cx.emit(Event::Remove);
1198 }
1199 }
1200
1201 if item_index < self.active_item_index {
1202 self.active_item_index -= 1;
1203 }
1204
1205 let mode = self.nav_history.mode();
1206 self.nav_history.set_mode(NavigationMode::ClosingItem);
1207 item.deactivated(cx);
1208 self.nav_history.set_mode(mode);
1209
1210 if self.is_active_preview_item(item.item_id()) {
1211 self.set_preview_item_id(None, cx);
1212 }
1213
1214 if let Some(path) = item.project_path(cx) {
1215 let abs_path = self
1216 .nav_history
1217 .0
1218 .lock()
1219 .paths_by_item
1220 .get(&item.item_id())
1221 .and_then(|(_, abs_path)| abs_path.clone());
1222
1223 self.nav_history
1224 .0
1225 .lock()
1226 .paths_by_item
1227 .insert(item.item_id(), (path, abs_path));
1228 } else {
1229 self.nav_history
1230 .0
1231 .lock()
1232 .paths_by_item
1233 .remove(&item.item_id());
1234 }
1235
1236 if self.items.is_empty() && close_pane_if_empty && self.zoomed {
1237 cx.emit(Event::ZoomOut);
1238 }
1239
1240 cx.notify();
1241 }
1242
1243 pub async fn save_item(
1244 project: Model<Project>,
1245 pane: &WeakView<Pane>,
1246 item_ix: usize,
1247 item: &dyn ItemHandle,
1248 save_intent: SaveIntent,
1249 cx: &mut AsyncWindowContext,
1250 ) -> Result<bool> {
1251 const CONFLICT_MESSAGE: &str =
1252 "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1253
1254 if save_intent == SaveIntent::Skip {
1255 return Ok(true);
1256 }
1257
1258 let (mut has_conflict, mut is_dirty, mut can_save, can_save_as) = cx.update(|cx| {
1259 (
1260 item.has_conflict(cx),
1261 item.is_dirty(cx),
1262 item.can_save(cx),
1263 item.is_singleton(cx),
1264 )
1265 })?;
1266
1267 // when saving a single buffer, we ignore whether or not it's dirty.
1268 if save_intent == SaveIntent::Save || save_intent == SaveIntent::SaveWithoutFormat {
1269 is_dirty = true;
1270 }
1271
1272 if save_intent == SaveIntent::SaveAs {
1273 is_dirty = true;
1274 has_conflict = false;
1275 can_save = false;
1276 }
1277
1278 if save_intent == SaveIntent::Overwrite {
1279 has_conflict = false;
1280 }
1281
1282 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
1283
1284 if has_conflict && can_save {
1285 let answer = pane.update(cx, |pane, cx| {
1286 pane.activate_item(item_ix, true, true, cx);
1287 cx.prompt(
1288 PromptLevel::Warning,
1289 CONFLICT_MESSAGE,
1290 None,
1291 &["Overwrite", "Discard", "Cancel"],
1292 )
1293 })?;
1294 match answer.await {
1295 Ok(0) => {
1296 pane.update(cx, |_, cx| item.save(should_format, project, cx))?
1297 .await?
1298 }
1299 Ok(1) => pane.update(cx, |_, cx| item.reload(project, cx))?.await?,
1300 _ => return Ok(false),
1301 }
1302 } else if is_dirty && (can_save || can_save_as) {
1303 if save_intent == SaveIntent::Close {
1304 let will_autosave = cx.update(|cx| {
1305 matches!(
1306 WorkspaceSettings::get_global(cx).autosave,
1307 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1308 ) && Self::can_autosave_item(item, cx)
1309 })?;
1310 if !will_autosave {
1311 let answer = pane.update(cx, |pane, cx| {
1312 pane.activate_item(item_ix, true, true, cx);
1313 let prompt = dirty_message_for(item.project_path(cx));
1314 cx.prompt(
1315 PromptLevel::Warning,
1316 &prompt,
1317 None,
1318 &["Save", "Don't Save", "Cancel"],
1319 )
1320 })?;
1321 match answer.await {
1322 Ok(0) => {}
1323 Ok(1) => return Ok(true), // Don't save this file
1324 _ => return Ok(false), // Cancel
1325 }
1326 }
1327 }
1328
1329 if can_save {
1330 pane.update(cx, |_, cx| item.save(should_format, project, cx))?
1331 .await?;
1332 } else if can_save_as {
1333 let abs_path = pane.update(cx, |pane, cx| {
1334 pane.workspace
1335 .update(cx, |workspace, cx| workspace.prompt_for_new_path(cx))
1336 })??;
1337 if let Some(abs_path) = abs_path.await.ok().flatten() {
1338 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1339 .await?;
1340 } else {
1341 return Ok(false);
1342 }
1343 }
1344 }
1345 Ok(true)
1346 }
1347
1348 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1349 let is_deleted = item.project_entry_ids(cx).is_empty();
1350 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1351 }
1352
1353 pub fn autosave_item(
1354 item: &dyn ItemHandle,
1355 project: Model<Project>,
1356 cx: &mut WindowContext,
1357 ) -> Task<Result<()>> {
1358 if Self::can_autosave_item(item, cx) {
1359 item.save(true, project, cx)
1360 } else {
1361 Task::ready(Ok(()))
1362 }
1363 }
1364
1365 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1366 cx.focus(&self.focus_handle);
1367 }
1368
1369 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1370 if let Some(active_item) = self.active_item() {
1371 let focus_handle = active_item.focus_handle(cx);
1372 cx.focus(&focus_handle);
1373 }
1374 }
1375
1376 pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1377 cx.emit(Event::Split(direction));
1378 }
1379
1380 pub fn toolbar(&self) -> &View<Toolbar> {
1381 &self.toolbar
1382 }
1383
1384 pub fn handle_deleted_project_item(
1385 &mut self,
1386 entry_id: ProjectEntryId,
1387 cx: &mut ViewContext<Pane>,
1388 ) -> Option<()> {
1389 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1390 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1391 Some((i, item.item_id()))
1392 } else {
1393 None
1394 }
1395 })?;
1396
1397 self.remove_item(item_index_to_delete, false, true, cx);
1398 self.nav_history.remove_item(item_id);
1399
1400 Some(())
1401 }
1402
1403 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1404 let active_item = self
1405 .items
1406 .get(self.active_item_index)
1407 .map(|item| item.as_ref());
1408 self.toolbar.update(cx, |toolbar, cx| {
1409 toolbar.set_active_item(active_item, cx);
1410 });
1411 }
1412
1413 fn update_status_bar(&mut self, cx: &mut ViewContext<Self>) {
1414 let workspace = self.workspace.clone();
1415 let pane = cx.view().clone();
1416
1417 cx.window_context().defer(move |cx| {
1418 let Ok(status_bar) = workspace.update(cx, |workspace, _| workspace.status_bar.clone())
1419 else {
1420 return;
1421 };
1422
1423 status_bar.update(cx, move |status_bar, cx| {
1424 status_bar.set_active_pane(&pane, cx);
1425 });
1426 });
1427 }
1428
1429 fn render_tab(
1430 &self,
1431 ix: usize,
1432 item: &Box<dyn ItemHandle>,
1433 detail: usize,
1434 cx: &mut ViewContext<'_, Pane>,
1435 ) -> impl IntoElement {
1436 let is_active = ix == self.active_item_index;
1437 let is_preview = self
1438 .preview_item_id
1439 .map(|id| id == item.item_id())
1440 .unwrap_or(false);
1441
1442 let label = item.tab_content(
1443 TabContentParams {
1444 detail: Some(detail),
1445 selected: is_active,
1446 preview: is_preview,
1447 },
1448 cx,
1449 );
1450 let close_side = &ItemSettings::get_global(cx).close_position;
1451 let indicator = render_item_indicator(item.boxed_clone(), cx);
1452 let item_id = item.item_id();
1453 let is_first_item = ix == 0;
1454 let is_last_item = ix == self.items.len() - 1;
1455 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
1456
1457 let tab = Tab::new(ix)
1458 .position(if is_first_item {
1459 TabPosition::First
1460 } else if is_last_item {
1461 TabPosition::Last
1462 } else {
1463 TabPosition::Middle(position_relative_to_active_item)
1464 })
1465 .close_side(match close_side {
1466 ClosePosition::Left => ui::TabCloseSide::Start,
1467 ClosePosition::Right => ui::TabCloseSide::End,
1468 })
1469 .selected(is_active)
1470 .on_click(
1471 cx.listener(move |pane: &mut Self, _, cx| pane.activate_item(ix, true, true, cx)),
1472 )
1473 // TODO: This should be a click listener with the middle mouse button instead of a mouse down listener.
1474 .on_mouse_down(
1475 MouseButton::Middle,
1476 cx.listener(move |pane, _event, cx| {
1477 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1478 .detach_and_log_err(cx);
1479 }),
1480 )
1481 .on_mouse_down(
1482 MouseButton::Left,
1483 cx.listener(move |pane, event: &MouseDownEvent, cx| {
1484 if let Some(id) = pane.preview_item_id {
1485 if id == item_id && event.click_count > 1 {
1486 pane.set_preview_item_id(None, cx);
1487 }
1488 }
1489 }),
1490 )
1491 .on_drag(
1492 DraggedTab {
1493 item: item.boxed_clone(),
1494 pane: cx.view().clone(),
1495 detail,
1496 is_active,
1497 ix,
1498 },
1499 |tab, cx| cx.new_view(|_| tab.clone()),
1500 )
1501 .drag_over::<DraggedTab>(|tab, _, cx| {
1502 tab.bg(cx.theme().colors().drop_target_background)
1503 })
1504 .drag_over::<ProjectEntryId>(|tab, _, cx| {
1505 tab.bg(cx.theme().colors().drop_target_background)
1506 })
1507 .when_some(self.can_drop_predicate.clone(), |this, p| {
1508 this.can_drop(move |a, cx| p(a, cx))
1509 })
1510 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1511 this.drag_split_direction = None;
1512 this.handle_tab_drop(dragged_tab, ix, cx)
1513 }))
1514 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1515 this.drag_split_direction = None;
1516 this.handle_project_entry_drop(entry_id, cx)
1517 }))
1518 .on_drop(cx.listener(move |this, paths, cx| {
1519 this.drag_split_direction = None;
1520 this.handle_external_paths_drop(paths, cx)
1521 }))
1522 .when_some(item.tab_tooltip_text(cx), |tab, text| {
1523 tab.tooltip(move |cx| Tooltip::text(text.clone(), cx))
1524 })
1525 .start_slot::<Indicator>(indicator)
1526 .end_slot(
1527 IconButton::new("close tab", IconName::Close)
1528 .shape(IconButtonShape::Square)
1529 .icon_color(Color::Muted)
1530 .size(ButtonSize::None)
1531 .icon_size(IconSize::XSmall)
1532 .on_click(cx.listener(move |pane, _, cx| {
1533 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1534 .detach_and_log_err(cx);
1535 })),
1536 )
1537 .child(label);
1538
1539 let single_entry_to_resolve = {
1540 let item_entries = self.items[ix].project_entry_ids(cx);
1541 if item_entries.len() == 1 {
1542 Some(item_entries[0])
1543 } else {
1544 None
1545 }
1546 };
1547
1548 let pane = cx.view().downgrade();
1549 right_click_menu(ix).trigger(tab).menu(move |cx| {
1550 let pane = pane.clone();
1551 ContextMenu::build(cx, move |mut menu, cx| {
1552 if let Some(pane) = pane.upgrade() {
1553 menu = menu
1554 .entry(
1555 "Close",
1556 Some(Box::new(CloseActiveItem { save_intent: None })),
1557 cx.handler_for(&pane, move |pane, cx| {
1558 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1559 .detach_and_log_err(cx);
1560 }),
1561 )
1562 .entry(
1563 "Close Others",
1564 Some(Box::new(CloseInactiveItems { save_intent: None })),
1565 cx.handler_for(&pane, move |pane, cx| {
1566 pane.close_items(cx, SaveIntent::Close, |id| id != item_id)
1567 .detach_and_log_err(cx);
1568 }),
1569 )
1570 .separator()
1571 .entry(
1572 "Close Left",
1573 Some(Box::new(CloseItemsToTheLeft)),
1574 cx.handler_for(&pane, move |pane, cx| {
1575 pane.close_items_to_the_left_by_id(item_id, cx)
1576 .detach_and_log_err(cx);
1577 }),
1578 )
1579 .entry(
1580 "Close Right",
1581 Some(Box::new(CloseItemsToTheRight)),
1582 cx.handler_for(&pane, move |pane, cx| {
1583 pane.close_items_to_the_right_by_id(item_id, cx)
1584 .detach_and_log_err(cx);
1585 }),
1586 )
1587 .separator()
1588 .entry(
1589 "Close Clean",
1590 Some(Box::new(CloseCleanItems)),
1591 cx.handler_for(&pane, move |pane, cx| {
1592 if let Some(task) = pane.close_clean_items(&CloseCleanItems, cx) {
1593 task.detach_and_log_err(cx)
1594 }
1595 }),
1596 )
1597 .entry(
1598 "Close All",
1599 Some(Box::new(CloseAllItems { save_intent: None })),
1600 cx.handler_for(&pane, |pane, cx| {
1601 if let Some(task) =
1602 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
1603 {
1604 task.detach_and_log_err(cx)
1605 }
1606 }),
1607 );
1608
1609 if let Some(entry) = single_entry_to_resolve {
1610 let parent_abs_path = pane
1611 .update(cx, |pane, cx| {
1612 pane.workspace.update(cx, |workspace, cx| {
1613 let project = workspace.project().read(cx);
1614 project.worktree_for_entry(entry, cx).and_then(|worktree| {
1615 let worktree = worktree.read(cx);
1616 let entry = worktree.entry_for_id(entry)?;
1617 let abs_path = worktree.absolutize(&entry.path).ok()?;
1618 let parent = if entry.is_symlink {
1619 abs_path.canonicalize().ok()?
1620 } else {
1621 abs_path
1622 }
1623 .parent()?
1624 .to_path_buf();
1625 Some(parent)
1626 })
1627 })
1628 })
1629 .ok()
1630 .flatten();
1631
1632 let entry_id = entry.to_proto();
1633 menu = menu
1634 .separator()
1635 .entry(
1636 "Reveal In Project Panel",
1637 Some(Box::new(RevealInProjectPanel {
1638 entry_id: Some(entry_id),
1639 })),
1640 cx.handler_for(&pane, move |pane, cx| {
1641 pane.project.update(cx, |_, cx| {
1642 cx.emit(project::Event::RevealInProjectPanel(
1643 ProjectEntryId::from_proto(entry_id),
1644 ))
1645 });
1646 }),
1647 )
1648 .when_some(parent_abs_path, |menu, abs_path| {
1649 menu.entry(
1650 "Open in Terminal",
1651 Some(Box::new(OpenInTerminal)),
1652 cx.handler_for(&pane, move |_, cx| {
1653 cx.dispatch_action(
1654 OpenTerminal {
1655 working_directory: abs_path.clone(),
1656 }
1657 .boxed_clone(),
1658 );
1659 }),
1660 )
1661 });
1662 }
1663 }
1664
1665 menu
1666 })
1667 })
1668 }
1669
1670 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1671 TabBar::new("tab_bar")
1672 .track_scroll(self.tab_bar_scroll_handle.clone())
1673 .when(
1674 self.display_nav_history_buttons.unwrap_or_default(),
1675 |tab_bar| {
1676 tab_bar.start_child(
1677 h_flex()
1678 .gap_2()
1679 .child(
1680 IconButton::new("navigate_backward", IconName::ArrowLeft)
1681 .icon_size(IconSize::Small)
1682 .on_click({
1683 let view = cx.view().clone();
1684 move |_, cx| view.update(cx, Self::navigate_backward)
1685 })
1686 .disabled(!self.can_navigate_backward())
1687 .tooltip(|cx| Tooltip::for_action("Go Back", &GoBack, cx)),
1688 )
1689 .child(
1690 IconButton::new("navigate_forward", IconName::ArrowRight)
1691 .icon_size(IconSize::Small)
1692 .on_click({
1693 let view = cx.view().clone();
1694 move |_, cx| view.update(cx, Self::navigate_forward)
1695 })
1696 .disabled(!self.can_navigate_forward())
1697 .tooltip(|cx| {
1698 Tooltip::for_action("Go Forward", &GoForward, cx)
1699 }),
1700 ),
1701 )
1702 },
1703 )
1704 .when(self.has_focus(cx), |tab_bar| {
1705 tab_bar.end_child({
1706 let render_tab_buttons = self.render_tab_bar_buttons.clone();
1707 render_tab_buttons(self, cx)
1708 })
1709 })
1710 .children(
1711 self.items
1712 .iter()
1713 .enumerate()
1714 .zip(tab_details(&self.items, cx))
1715 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1716 )
1717 .child(
1718 div()
1719 .id("tab_bar_drop_target")
1720 .min_w_6()
1721 // HACK: This empty child is currently necessary to force the drop target to appear
1722 // despite us setting a min width above.
1723 .child("")
1724 .h_full()
1725 .flex_grow()
1726 .drag_over::<DraggedTab>(|bar, _, cx| {
1727 bar.bg(cx.theme().colors().drop_target_background)
1728 })
1729 .drag_over::<ProjectEntryId>(|bar, _, cx| {
1730 bar.bg(cx.theme().colors().drop_target_background)
1731 })
1732 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1733 this.drag_split_direction = None;
1734 this.handle_tab_drop(dragged_tab, this.items.len(), cx)
1735 }))
1736 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1737 this.drag_split_direction = None;
1738 this.handle_project_entry_drop(entry_id, cx)
1739 }))
1740 .on_drop(cx.listener(move |this, paths, cx| {
1741 this.drag_split_direction = None;
1742 this.handle_external_paths_drop(paths, cx)
1743 }))
1744 .on_click(cx.listener(move |this, event: &ClickEvent, cx| {
1745 if event.up.click_count == 2 {
1746 cx.dispatch_action(this.double_click_dispatch_action.boxed_clone())
1747 }
1748 })),
1749 )
1750 }
1751
1752 pub fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1753 div().absolute().bottom_0().right_0().size_0().child(
1754 deferred(
1755 anchored()
1756 .anchor(AnchorCorner::TopRight)
1757 .child(menu.clone()),
1758 )
1759 .with_priority(1),
1760 )
1761 }
1762
1763 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1764 self.zoomed = zoomed;
1765 cx.notify();
1766 }
1767
1768 pub fn is_zoomed(&self) -> bool {
1769 self.zoomed
1770 }
1771
1772 fn handle_drag_move<T>(&mut self, event: &DragMoveEvent<T>, cx: &mut ViewContext<Self>) {
1773 if !self.can_split {
1774 return;
1775 }
1776
1777 let rect = event.bounds.size;
1778
1779 let size = event.bounds.size.width.min(event.bounds.size.height)
1780 * WorkspaceSettings::get_global(cx).drop_target_size;
1781
1782 let relative_cursor = Point::new(
1783 event.event.position.x - event.bounds.left(),
1784 event.event.position.y - event.bounds.top(),
1785 );
1786
1787 let direction = if relative_cursor.x < size
1788 || relative_cursor.x > rect.width - size
1789 || relative_cursor.y < size
1790 || relative_cursor.y > rect.height - size
1791 {
1792 [
1793 SplitDirection::Up,
1794 SplitDirection::Right,
1795 SplitDirection::Down,
1796 SplitDirection::Left,
1797 ]
1798 .iter()
1799 .min_by_key(|side| match side {
1800 SplitDirection::Up => relative_cursor.y,
1801 SplitDirection::Right => rect.width - relative_cursor.x,
1802 SplitDirection::Down => rect.height - relative_cursor.y,
1803 SplitDirection::Left => relative_cursor.x,
1804 })
1805 .cloned()
1806 } else {
1807 None
1808 };
1809
1810 if direction != self.drag_split_direction {
1811 self.drag_split_direction = direction;
1812 }
1813 }
1814
1815 fn handle_tab_drop(
1816 &mut self,
1817 dragged_tab: &DraggedTab,
1818 ix: usize,
1819 cx: &mut ViewContext<'_, Self>,
1820 ) {
1821 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1822 if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, cx) {
1823 return;
1824 }
1825 }
1826 let mut to_pane = cx.view().clone();
1827 let split_direction = self.drag_split_direction;
1828 let item_id = dragged_tab.item.item_id();
1829 if let Some(preview_item_id) = self.preview_item_id {
1830 if item_id == preview_item_id {
1831 self.set_preview_item_id(None, cx);
1832 }
1833 }
1834
1835 let from_pane = dragged_tab.pane.clone();
1836 self.workspace
1837 .update(cx, |_, cx| {
1838 cx.defer(move |workspace, cx| {
1839 if let Some(split_direction) = split_direction {
1840 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1841 }
1842 workspace.move_item(from_pane, to_pane, item_id, ix, cx);
1843 });
1844 })
1845 .log_err();
1846 }
1847
1848 fn handle_project_entry_drop(
1849 &mut self,
1850 project_entry_id: &ProjectEntryId,
1851 cx: &mut ViewContext<'_, Self>,
1852 ) {
1853 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1854 if let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, cx) {
1855 return;
1856 }
1857 }
1858 let mut to_pane = cx.view().clone();
1859 let split_direction = self.drag_split_direction;
1860 let project_entry_id = *project_entry_id;
1861 self.workspace
1862 .update(cx, |_, cx| {
1863 cx.defer(move |workspace, cx| {
1864 if let Some(path) = workspace
1865 .project()
1866 .read(cx)
1867 .path_for_entry(project_entry_id, cx)
1868 {
1869 if let Some(split_direction) = split_direction {
1870 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1871 }
1872 workspace
1873 .open_path(path, Some(to_pane.downgrade()), true, cx)
1874 .detach_and_log_err(cx);
1875 }
1876 });
1877 })
1878 .log_err();
1879 }
1880
1881 fn handle_external_paths_drop(
1882 &mut self,
1883 paths: &ExternalPaths,
1884 cx: &mut ViewContext<'_, Self>,
1885 ) {
1886 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1887 if let ControlFlow::Break(()) = custom_drop_handle(self, paths, cx) {
1888 return;
1889 }
1890 }
1891 let mut to_pane = cx.view().clone();
1892 let mut split_direction = self.drag_split_direction;
1893 let paths = paths.paths().to_vec();
1894 self.workspace
1895 .update(cx, |workspace, cx| {
1896 let fs = Arc::clone(workspace.project().read(cx).fs());
1897 cx.spawn(|workspace, mut cx| async move {
1898 let mut is_file_checks = FuturesUnordered::new();
1899 for path in &paths {
1900 is_file_checks.push(fs.is_file(path))
1901 }
1902 let mut has_files_to_open = false;
1903 while let Some(is_file) = is_file_checks.next().await {
1904 if is_file {
1905 has_files_to_open = true;
1906 break;
1907 }
1908 }
1909 drop(is_file_checks);
1910 if !has_files_to_open {
1911 split_direction = None;
1912 }
1913
1914 if let Some(open_task) = workspace
1915 .update(&mut cx, |workspace, cx| {
1916 if let Some(split_direction) = split_direction {
1917 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1918 }
1919 workspace.open_paths(
1920 paths,
1921 OpenVisible::OnlyDirectories,
1922 Some(to_pane.downgrade()),
1923 cx,
1924 )
1925 })
1926 .ok()
1927 {
1928 let _opened_items: Vec<_> = open_task.await;
1929 }
1930 })
1931 .detach();
1932 })
1933 .log_err();
1934 }
1935
1936 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
1937 self.display_nav_history_buttons = display;
1938 }
1939}
1940
1941impl FocusableView for Pane {
1942 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
1943 self.focus_handle.clone()
1944 }
1945}
1946
1947impl Render for Pane {
1948 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1949 let mut key_context = KeyContext::new_with_defaults();
1950 key_context.add("Pane");
1951 if self.active_item().is_none() {
1952 key_context.add("EmptyPane");
1953 }
1954
1955 v_flex()
1956 .key_context(key_context)
1957 .track_focus(&self.focus_handle)
1958 .size_full()
1959 .flex_none()
1960 .overflow_hidden()
1961 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
1962 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
1963 .on_action(
1964 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
1965 )
1966 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
1967 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
1968 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
1969 .on_action(cx.listener(Pane::toggle_zoom))
1970 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
1971 pane.activate_item(action.0, true, true, cx);
1972 }))
1973 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
1974 pane.activate_item(pane.items.len() - 1, true, true, cx);
1975 }))
1976 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
1977 pane.activate_prev_item(true, cx);
1978 }))
1979 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
1980 pane.activate_next_item(true, cx);
1981 }))
1982 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
1983 this.on_action(cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, cx| {
1984 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
1985 if pane.is_active_preview_item(active_item_id) {
1986 pane.set_preview_item_id(None, cx);
1987 } else {
1988 pane.set_preview_item_id(Some(active_item_id), cx);
1989 }
1990 }
1991 }))
1992 })
1993 .on_action(
1994 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
1995 if let Some(task) = pane.close_active_item(action, cx) {
1996 task.detach_and_log_err(cx)
1997 }
1998 }),
1999 )
2000 .on_action(
2001 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
2002 if let Some(task) = pane.close_inactive_items(action, cx) {
2003 task.detach_and_log_err(cx)
2004 }
2005 }),
2006 )
2007 .on_action(
2008 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2009 if let Some(task) = pane.close_clean_items(action, cx) {
2010 task.detach_and_log_err(cx)
2011 }
2012 }),
2013 )
2014 .on_action(
2015 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2016 if let Some(task) = pane.close_items_to_the_left(action, cx) {
2017 task.detach_and_log_err(cx)
2018 }
2019 }),
2020 )
2021 .on_action(
2022 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2023 if let Some(task) = pane.close_items_to_the_right(action, cx) {
2024 task.detach_and_log_err(cx)
2025 }
2026 }),
2027 )
2028 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2029 if let Some(task) = pane.close_all_items(action, cx) {
2030 task.detach_and_log_err(cx)
2031 }
2032 }))
2033 .on_action(
2034 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2035 if let Some(task) = pane.close_active_item(action, cx) {
2036 task.detach_and_log_err(cx)
2037 }
2038 }),
2039 )
2040 .on_action(
2041 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, cx| {
2042 let entry_id = action
2043 .entry_id
2044 .map(ProjectEntryId::from_proto)
2045 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
2046 if let Some(entry_id) = entry_id {
2047 pane.project.update(cx, |_, cx| {
2048 cx.emit(project::Event::RevealInProjectPanel(entry_id))
2049 });
2050 }
2051 }),
2052 )
2053 .when(self.active_item().is_some(), |pane| {
2054 pane.child(self.render_tab_bar(cx))
2055 })
2056 .child({
2057 let has_worktrees = self.project.read(cx).worktrees().next().is_some();
2058 // main content
2059 div()
2060 .flex_1()
2061 .relative()
2062 .group("")
2063 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
2064 .on_drag_move::<ProjectEntryId>(cx.listener(Self::handle_drag_move))
2065 .on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
2066 .map(|div| {
2067 if let Some(item) = self.active_item() {
2068 div.v_flex()
2069 .child(self.toolbar.clone())
2070 .child(item.to_any())
2071 } else {
2072 let placeholder = div.h_flex().size_full().justify_center();
2073 if has_worktrees {
2074 placeholder
2075 } else {
2076 placeholder.child(
2077 Label::new("Open a file or project to get started.")
2078 .color(Color::Muted),
2079 )
2080 }
2081 }
2082 })
2083 .child(
2084 // drag target
2085 div()
2086 .invisible()
2087 .absolute()
2088 .bg(cx.theme().colors().drop_target_background)
2089 .group_drag_over::<DraggedTab>("", |style| style.visible())
2090 .group_drag_over::<ProjectEntryId>("", |style| style.visible())
2091 .group_drag_over::<ExternalPaths>("", |style| style.visible())
2092 .when_some(self.can_drop_predicate.clone(), |this, p| {
2093 this.can_drop(move |a, cx| p(a, cx))
2094 })
2095 .on_drop(cx.listener(move |this, dragged_tab, cx| {
2096 this.handle_tab_drop(dragged_tab, this.active_item_index(), cx)
2097 }))
2098 .on_drop(cx.listener(move |this, entry_id, cx| {
2099 this.handle_project_entry_drop(entry_id, cx)
2100 }))
2101 .on_drop(cx.listener(move |this, paths, cx| {
2102 this.handle_external_paths_drop(paths, cx)
2103 }))
2104 .map(|div| {
2105 let size = DefiniteLength::Fraction(0.5);
2106 match self.drag_split_direction {
2107 None => div.top_0().right_0().bottom_0().left_0(),
2108 Some(SplitDirection::Up) => {
2109 div.top_0().left_0().right_0().h(size)
2110 }
2111 Some(SplitDirection::Down) => {
2112 div.left_0().bottom_0().right_0().h(size)
2113 }
2114 Some(SplitDirection::Left) => {
2115 div.top_0().left_0().bottom_0().w(size)
2116 }
2117 Some(SplitDirection::Right) => {
2118 div.top_0().bottom_0().right_0().w(size)
2119 }
2120 }
2121 }),
2122 )
2123 })
2124 .on_mouse_down(
2125 MouseButton::Navigate(NavigationDirection::Back),
2126 cx.listener(|pane, _, cx| {
2127 if let Some(workspace) = pane.workspace.upgrade() {
2128 let pane = cx.view().downgrade();
2129 cx.window_context().defer(move |cx| {
2130 workspace.update(cx, |workspace, cx| {
2131 workspace.go_back(pane, cx).detach_and_log_err(cx)
2132 })
2133 })
2134 }
2135 }),
2136 )
2137 .on_mouse_down(
2138 MouseButton::Navigate(NavigationDirection::Forward),
2139 cx.listener(|pane, _, cx| {
2140 if let Some(workspace) = pane.workspace.upgrade() {
2141 let pane = cx.view().downgrade();
2142 cx.window_context().defer(move |cx| {
2143 workspace.update(cx, |workspace, cx| {
2144 workspace.go_forward(pane, cx).detach_and_log_err(cx)
2145 })
2146 })
2147 }
2148 }),
2149 )
2150 }
2151}
2152
2153impl ItemNavHistory {
2154 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2155 self.history
2156 .push(data, self.item.clone(), self.is_preview, cx);
2157 }
2158
2159 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2160 self.history.pop(NavigationMode::GoingBack, cx)
2161 }
2162
2163 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2164 self.history.pop(NavigationMode::GoingForward, cx)
2165 }
2166}
2167
2168impl NavHistory {
2169 pub fn for_each_entry(
2170 &self,
2171 cx: &AppContext,
2172 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2173 ) {
2174 let borrowed_history = self.0.lock();
2175 borrowed_history
2176 .forward_stack
2177 .iter()
2178 .chain(borrowed_history.backward_stack.iter())
2179 .chain(borrowed_history.closed_stack.iter())
2180 .for_each(|entry| {
2181 if let Some(project_and_abs_path) =
2182 borrowed_history.paths_by_item.get(&entry.item.id())
2183 {
2184 f(entry, project_and_abs_path.clone());
2185 } else if let Some(item) = entry.item.upgrade() {
2186 if let Some(path) = item.project_path(cx) {
2187 f(entry, (path, None));
2188 }
2189 }
2190 })
2191 }
2192
2193 pub fn set_mode(&mut self, mode: NavigationMode) {
2194 self.0.lock().mode = mode;
2195 }
2196
2197 pub fn mode(&self) -> NavigationMode {
2198 self.0.lock().mode
2199 }
2200
2201 pub fn disable(&mut self) {
2202 self.0.lock().mode = NavigationMode::Disabled;
2203 }
2204
2205 pub fn enable(&mut self) {
2206 self.0.lock().mode = NavigationMode::Normal;
2207 }
2208
2209 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2210 let mut state = self.0.lock();
2211 let entry = match mode {
2212 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2213 return None
2214 }
2215 NavigationMode::GoingBack => &mut state.backward_stack,
2216 NavigationMode::GoingForward => &mut state.forward_stack,
2217 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2218 }
2219 .pop_back();
2220 if entry.is_some() {
2221 state.did_update(cx);
2222 }
2223 entry
2224 }
2225
2226 pub fn push<D: 'static + Send + Any>(
2227 &mut self,
2228 data: Option<D>,
2229 item: Arc<dyn WeakItemHandle>,
2230 is_preview: bool,
2231 cx: &mut WindowContext,
2232 ) {
2233 let state = &mut *self.0.lock();
2234 match state.mode {
2235 NavigationMode::Disabled => {}
2236 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2237 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2238 state.backward_stack.pop_front();
2239 }
2240 state.backward_stack.push_back(NavigationEntry {
2241 item,
2242 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2243 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2244 is_preview,
2245 });
2246 state.forward_stack.clear();
2247 }
2248 NavigationMode::GoingBack => {
2249 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2250 state.forward_stack.pop_front();
2251 }
2252 state.forward_stack.push_back(NavigationEntry {
2253 item,
2254 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2255 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2256 is_preview,
2257 });
2258 }
2259 NavigationMode::GoingForward => {
2260 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2261 state.backward_stack.pop_front();
2262 }
2263 state.backward_stack.push_back(NavigationEntry {
2264 item,
2265 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2266 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2267 is_preview,
2268 });
2269 }
2270 NavigationMode::ClosingItem => {
2271 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2272 state.closed_stack.pop_front();
2273 }
2274 state.closed_stack.push_back(NavigationEntry {
2275 item,
2276 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2277 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2278 is_preview,
2279 });
2280 }
2281 }
2282 state.did_update(cx);
2283 }
2284
2285 pub fn remove_item(&mut self, item_id: EntityId) {
2286 let mut state = self.0.lock();
2287 state.paths_by_item.remove(&item_id);
2288 state
2289 .backward_stack
2290 .retain(|entry| entry.item.id() != item_id);
2291 state
2292 .forward_stack
2293 .retain(|entry| entry.item.id() != item_id);
2294 state
2295 .closed_stack
2296 .retain(|entry| entry.item.id() != item_id);
2297 }
2298
2299 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2300 self.0.lock().paths_by_item.get(&item_id).cloned()
2301 }
2302}
2303
2304impl NavHistoryState {
2305 pub fn did_update(&self, cx: &mut WindowContext) {
2306 if let Some(pane) = self.pane.upgrade() {
2307 cx.defer(move |cx| {
2308 pane.update(cx, |pane, cx| pane.history_updated(cx));
2309 });
2310 }
2311 }
2312}
2313
2314fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2315 let path = buffer_path
2316 .as_ref()
2317 .and_then(|p| {
2318 p.path
2319 .to_str()
2320 .and_then(|s| if s == "" { None } else { Some(s) })
2321 })
2322 .unwrap_or("This buffer");
2323 let path = truncate_and_remove_front(path, 80);
2324 format!("{path} contains unsaved edits. Do you want to save it?")
2325}
2326
2327pub fn tab_details(items: &Vec<Box<dyn ItemHandle>>, cx: &AppContext) -> Vec<usize> {
2328 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
2329 let mut tab_descriptions = HashMap::default();
2330 let mut done = false;
2331 while !done {
2332 done = true;
2333
2334 // Store item indices by their tab description.
2335 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
2336 if let Some(description) = item.tab_description(*detail, cx) {
2337 if *detail == 0
2338 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
2339 {
2340 tab_descriptions
2341 .entry(description)
2342 .or_insert(Vec::new())
2343 .push(ix);
2344 }
2345 }
2346 }
2347
2348 // If two or more items have the same tab description, increase their level
2349 // of detail and try again.
2350 for (_, item_ixs) in tab_descriptions.drain() {
2351 if item_ixs.len() > 1 {
2352 done = false;
2353 for ix in item_ixs {
2354 tab_details[ix] += 1;
2355 }
2356 }
2357 }
2358 }
2359
2360 tab_details
2361}
2362
2363pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &WindowContext) -> Option<Indicator> {
2364 maybe!({
2365 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
2366 (true, _) => Color::Warning,
2367 (_, true) => Color::Accent,
2368 (false, false) => return None,
2369 };
2370
2371 Some(Indicator::dot().color(indicator_color))
2372 })
2373}
2374
2375#[cfg(test)]
2376mod tests {
2377 use super::*;
2378 use crate::item::test::{TestItem, TestProjectItem};
2379 use gpui::{TestAppContext, VisualTestContext};
2380 use project::FakeFs;
2381 use settings::SettingsStore;
2382 use theme::LoadThemes;
2383
2384 #[gpui::test]
2385 async fn test_remove_active_empty(cx: &mut TestAppContext) {
2386 init_test(cx);
2387 let fs = FakeFs::new(cx.executor());
2388
2389 let project = Project::test(fs, None, cx).await;
2390 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2391 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2392
2393 pane.update(cx, |pane, cx| {
2394 assert!(pane
2395 .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2396 .is_none())
2397 });
2398 }
2399
2400 #[gpui::test]
2401 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2402 init_test(cx);
2403 let fs = FakeFs::new(cx.executor());
2404
2405 let project = Project::test(fs, None, cx).await;
2406 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2407 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2408
2409 // 1. Add with a destination index
2410 // a. Add before the active item
2411 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2412 pane.update(cx, |pane, cx| {
2413 pane.add_item(
2414 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2415 false,
2416 false,
2417 Some(0),
2418 cx,
2419 );
2420 });
2421 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2422
2423 // b. Add after the active item
2424 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2425 pane.update(cx, |pane, cx| {
2426 pane.add_item(
2427 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2428 false,
2429 false,
2430 Some(2),
2431 cx,
2432 );
2433 });
2434 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2435
2436 // c. Add at the end of the item list (including off the length)
2437 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2438 pane.update(cx, |pane, cx| {
2439 pane.add_item(
2440 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2441 false,
2442 false,
2443 Some(5),
2444 cx,
2445 );
2446 });
2447 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2448
2449 // 2. Add without a destination index
2450 // a. Add with active item at the start of the item list
2451 set_labeled_items(&pane, ["A*", "B", "C"], cx);
2452 pane.update(cx, |pane, cx| {
2453 pane.add_item(
2454 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2455 false,
2456 false,
2457 None,
2458 cx,
2459 );
2460 });
2461 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2462
2463 // b. Add with active item at the end of the item list
2464 set_labeled_items(&pane, ["A", "B", "C*"], cx);
2465 pane.update(cx, |pane, cx| {
2466 pane.add_item(
2467 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2468 false,
2469 false,
2470 None,
2471 cx,
2472 );
2473 });
2474 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2475 }
2476
2477 #[gpui::test]
2478 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2479 init_test(cx);
2480 let fs = FakeFs::new(cx.executor());
2481
2482 let project = Project::test(fs, None, cx).await;
2483 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2484 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2485
2486 // 1. Add with a destination index
2487 // 1a. Add before the active item
2488 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2489 pane.update(cx, |pane, cx| {
2490 pane.add_item(d, false, false, Some(0), cx);
2491 });
2492 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2493
2494 // 1b. Add after the active item
2495 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2496 pane.update(cx, |pane, cx| {
2497 pane.add_item(d, false, false, Some(2), cx);
2498 });
2499 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2500
2501 // 1c. Add at the end of the item list (including off the length)
2502 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2503 pane.update(cx, |pane, cx| {
2504 pane.add_item(a, false, false, Some(5), cx);
2505 });
2506 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2507
2508 // 1d. Add same item to active index
2509 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2510 pane.update(cx, |pane, cx| {
2511 pane.add_item(b, false, false, Some(1), cx);
2512 });
2513 assert_item_labels(&pane, ["A", "B*", "C"], cx);
2514
2515 // 1e. Add item to index after same item in last position
2516 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2517 pane.update(cx, |pane, cx| {
2518 pane.add_item(c, false, false, Some(2), cx);
2519 });
2520 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2521
2522 // 2. Add without a destination index
2523 // 2a. Add with active item at the start of the item list
2524 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2525 pane.update(cx, |pane, cx| {
2526 pane.add_item(d, false, false, None, cx);
2527 });
2528 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2529
2530 // 2b. Add with active item at the end of the item list
2531 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2532 pane.update(cx, |pane, cx| {
2533 pane.add_item(a, false, false, None, cx);
2534 });
2535 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2536
2537 // 2c. Add active item to active item at end of list
2538 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2539 pane.update(cx, |pane, cx| {
2540 pane.add_item(c, false, false, None, cx);
2541 });
2542 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2543
2544 // 2d. Add active item to active item at start of list
2545 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2546 pane.update(cx, |pane, cx| {
2547 pane.add_item(a, false, false, None, cx);
2548 });
2549 assert_item_labels(&pane, ["A*", "B", "C"], cx);
2550 }
2551
2552 #[gpui::test]
2553 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2554 init_test(cx);
2555 let fs = FakeFs::new(cx.executor());
2556
2557 let project = Project::test(fs, None, cx).await;
2558 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2559 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2560
2561 // singleton view
2562 pane.update(cx, |pane, cx| {
2563 pane.add_item(
2564 Box::new(cx.new_view(|cx| {
2565 TestItem::new(cx)
2566 .with_singleton(true)
2567 .with_label("buffer 1")
2568 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
2569 })),
2570 false,
2571 false,
2572 None,
2573 cx,
2574 );
2575 });
2576 assert_item_labels(&pane, ["buffer 1*"], cx);
2577
2578 // new singleton view with the same project entry
2579 pane.update(cx, |pane, cx| {
2580 pane.add_item(
2581 Box::new(cx.new_view(|cx| {
2582 TestItem::new(cx)
2583 .with_singleton(true)
2584 .with_label("buffer 1")
2585 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2586 })),
2587 false,
2588 false,
2589 None,
2590 cx,
2591 );
2592 });
2593 assert_item_labels(&pane, ["buffer 1*"], cx);
2594
2595 // new singleton view with different project entry
2596 pane.update(cx, |pane, cx| {
2597 pane.add_item(
2598 Box::new(cx.new_view(|cx| {
2599 TestItem::new(cx)
2600 .with_singleton(true)
2601 .with_label("buffer 2")
2602 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
2603 })),
2604 false,
2605 false,
2606 None,
2607 cx,
2608 );
2609 });
2610 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2611
2612 // new multibuffer view with the same project entry
2613 pane.update(cx, |pane, cx| {
2614 pane.add_item(
2615 Box::new(cx.new_view(|cx| {
2616 TestItem::new(cx)
2617 .with_singleton(false)
2618 .with_label("multibuffer 1")
2619 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2620 })),
2621 false,
2622 false,
2623 None,
2624 cx,
2625 );
2626 });
2627 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2628
2629 // another multibuffer view with the same project entry
2630 pane.update(cx, |pane, cx| {
2631 pane.add_item(
2632 Box::new(cx.new_view(|cx| {
2633 TestItem::new(cx)
2634 .with_singleton(false)
2635 .with_label("multibuffer 1b")
2636 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2637 })),
2638 false,
2639 false,
2640 None,
2641 cx,
2642 );
2643 });
2644 assert_item_labels(
2645 &pane,
2646 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2647 cx,
2648 );
2649 }
2650
2651 #[gpui::test]
2652 async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2653 init_test(cx);
2654 let fs = FakeFs::new(cx.executor());
2655
2656 let project = Project::test(fs, None, cx).await;
2657 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2658 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2659
2660 add_labeled_item(&pane, "A", false, cx);
2661 add_labeled_item(&pane, "B", false, cx);
2662 add_labeled_item(&pane, "C", false, cx);
2663 add_labeled_item(&pane, "D", false, cx);
2664 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2665
2666 pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2667 add_labeled_item(&pane, "1", false, cx);
2668 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2669
2670 pane.update(cx, |pane, cx| {
2671 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2672 })
2673 .unwrap()
2674 .await
2675 .unwrap();
2676 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2677
2678 pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2679 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2680
2681 pane.update(cx, |pane, cx| {
2682 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2683 })
2684 .unwrap()
2685 .await
2686 .unwrap();
2687 assert_item_labels(&pane, ["A", "B*", "C"], cx);
2688
2689 pane.update(cx, |pane, cx| {
2690 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2691 })
2692 .unwrap()
2693 .await
2694 .unwrap();
2695 assert_item_labels(&pane, ["A", "C*"], cx);
2696
2697 pane.update(cx, |pane, cx| {
2698 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2699 })
2700 .unwrap()
2701 .await
2702 .unwrap();
2703 assert_item_labels(&pane, ["A*"], cx);
2704 }
2705
2706 #[gpui::test]
2707 async fn test_close_inactive_items(cx: &mut TestAppContext) {
2708 init_test(cx);
2709 let fs = FakeFs::new(cx.executor());
2710
2711 let project = Project::test(fs, None, cx).await;
2712 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2713 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2714
2715 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2716
2717 pane.update(cx, |pane, cx| {
2718 pane.close_inactive_items(&CloseInactiveItems { save_intent: None }, cx)
2719 })
2720 .unwrap()
2721 .await
2722 .unwrap();
2723 assert_item_labels(&pane, ["C*"], cx);
2724 }
2725
2726 #[gpui::test]
2727 async fn test_close_clean_items(cx: &mut TestAppContext) {
2728 init_test(cx);
2729 let fs = FakeFs::new(cx.executor());
2730
2731 let project = Project::test(fs, None, cx).await;
2732 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2733 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2734
2735 add_labeled_item(&pane, "A", true, cx);
2736 add_labeled_item(&pane, "B", false, cx);
2737 add_labeled_item(&pane, "C", true, cx);
2738 add_labeled_item(&pane, "D", false, cx);
2739 add_labeled_item(&pane, "E", false, cx);
2740 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
2741
2742 pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
2743 .unwrap()
2744 .await
2745 .unwrap();
2746 assert_item_labels(&pane, ["A^", "C*^"], cx);
2747 }
2748
2749 #[gpui::test]
2750 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
2751 init_test(cx);
2752 let fs = FakeFs::new(cx.executor());
2753
2754 let project = Project::test(fs, None, cx).await;
2755 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2756 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2757
2758 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2759
2760 pane.update(cx, |pane, cx| {
2761 pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
2762 })
2763 .unwrap()
2764 .await
2765 .unwrap();
2766 assert_item_labels(&pane, ["C*", "D", "E"], cx);
2767 }
2768
2769 #[gpui::test]
2770 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
2771 init_test(cx);
2772 let fs = FakeFs::new(cx.executor());
2773
2774 let project = Project::test(fs, None, cx).await;
2775 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2776 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2777
2778 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2779
2780 pane.update(cx, |pane, cx| {
2781 pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
2782 })
2783 .unwrap()
2784 .await
2785 .unwrap();
2786 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2787 }
2788
2789 #[gpui::test]
2790 async fn test_close_all_items(cx: &mut TestAppContext) {
2791 init_test(cx);
2792 let fs = FakeFs::new(cx.executor());
2793
2794 let project = Project::test(fs, None, cx).await;
2795 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2796 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2797
2798 add_labeled_item(&pane, "A", false, cx);
2799 add_labeled_item(&pane, "B", false, cx);
2800 add_labeled_item(&pane, "C", false, cx);
2801 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2802
2803 pane.update(cx, |pane, cx| {
2804 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2805 })
2806 .unwrap()
2807 .await
2808 .unwrap();
2809 assert_item_labels(&pane, [], cx);
2810
2811 add_labeled_item(&pane, "A", true, cx);
2812 add_labeled_item(&pane, "B", true, cx);
2813 add_labeled_item(&pane, "C", true, cx);
2814 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
2815
2816 let save = pane
2817 .update(cx, |pane, cx| {
2818 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2819 })
2820 .unwrap();
2821
2822 cx.executor().run_until_parked();
2823 cx.simulate_prompt_answer(2);
2824 save.await.unwrap();
2825 assert_item_labels(&pane, [], cx);
2826 }
2827
2828 fn init_test(cx: &mut TestAppContext) {
2829 cx.update(|cx| {
2830 let settings_store = SettingsStore::test(cx);
2831 cx.set_global(settings_store);
2832 theme::init(LoadThemes::JustBase, cx);
2833 crate::init_settings(cx);
2834 Project::init_settings(cx);
2835 });
2836 }
2837
2838 fn add_labeled_item(
2839 pane: &View<Pane>,
2840 label: &str,
2841 is_dirty: bool,
2842 cx: &mut VisualTestContext,
2843 ) -> Box<View<TestItem>> {
2844 pane.update(cx, |pane, cx| {
2845 let labeled_item = Box::new(
2846 cx.new_view(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)),
2847 );
2848 pane.add_item(labeled_item.clone(), false, false, None, cx);
2849 labeled_item
2850 })
2851 }
2852
2853 fn set_labeled_items<const COUNT: usize>(
2854 pane: &View<Pane>,
2855 labels: [&str; COUNT],
2856 cx: &mut VisualTestContext,
2857 ) -> [Box<View<TestItem>>; COUNT] {
2858 pane.update(cx, |pane, cx| {
2859 pane.items.clear();
2860 let mut active_item_index = 0;
2861
2862 let mut index = 0;
2863 let items = labels.map(|mut label| {
2864 if label.ends_with('*') {
2865 label = label.trim_end_matches('*');
2866 active_item_index = index;
2867 }
2868
2869 let labeled_item = Box::new(cx.new_view(|cx| TestItem::new(cx).with_label(label)));
2870 pane.add_item(labeled_item.clone(), false, false, None, cx);
2871 index += 1;
2872 labeled_item
2873 });
2874
2875 pane.activate_item(active_item_index, false, false, cx);
2876
2877 items
2878 })
2879 }
2880
2881 // Assert the item label, with the active item label suffixed with a '*'
2882 fn assert_item_labels<const COUNT: usize>(
2883 pane: &View<Pane>,
2884 expected_states: [&str; COUNT],
2885 cx: &mut VisualTestContext,
2886 ) {
2887 pane.update(cx, |pane, cx| {
2888 let actual_states = pane
2889 .items
2890 .iter()
2891 .enumerate()
2892 .map(|(ix, item)| {
2893 let mut state = item
2894 .to_any()
2895 .downcast::<TestItem>()
2896 .unwrap()
2897 .read(cx)
2898 .label
2899 .clone();
2900 if ix == pane.active_item_index {
2901 state.push('*');
2902 }
2903 if item.is_dirty(cx) {
2904 state.push('^');
2905 }
2906 state
2907 })
2908 .collect::<Vec<_>>();
2909
2910 assert_eq!(
2911 actual_states, expected_states,
2912 "pane items do not match expectation"
2913 );
2914 })
2915 }
2916}
2917
2918impl Render for DraggedTab {
2919 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2920 let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2921 let label = self.item.tab_content(
2922 TabContentParams {
2923 detail: Some(self.detail),
2924 selected: false,
2925 preview: false,
2926 },
2927 cx,
2928 );
2929 Tab::new("")
2930 .selected(self.is_active)
2931 .child(label)
2932 .render(cx)
2933 .font_family(ui_font)
2934 }
2935}