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