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 let mut destination_index = None;
627 if allow_preview {
628 // If we are opening a new item as preview and we have an existing preview tab, remove it.
629 if let Some(item_idx) = self.preview_item_idx() {
630 let prev_active_item_index = self.active_item_index;
631 self.remove_item(item_idx, false, false, cx);
632 self.active_item_index = prev_active_item_index;
633
634 // If the item is being opened as preview and we have an existing preview tab,
635 // open the new item in the position of the existing preview tab.
636 if item_idx < self.items.len() {
637 destination_index = Some(item_idx);
638 }
639 }
640 }
641
642 let new_item = build_item(cx);
643
644 if allow_preview {
645 self.set_preview_item_id(Some(new_item.item_id()), cx);
646 }
647
648 self.add_item(new_item.clone(), true, focus_item, destination_index, cx);
649
650 new_item
651 }
652 }
653
654 pub fn add_item(
655 &mut self,
656 item: Box<dyn ItemHandle>,
657 activate_pane: bool,
658 focus_item: bool,
659 destination_index: Option<usize>,
660 cx: &mut ViewContext<Self>,
661 ) {
662 if item.is_singleton(cx) {
663 if let Some(&entry_id) = item.project_entry_ids(cx).get(0) {
664 let project = self.project.read(cx);
665 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
666 let abs_path = project.absolute_path(&project_path, cx);
667 self.nav_history
668 .0
669 .lock()
670 .paths_by_item
671 .insert(item.item_id(), (project_path, abs_path));
672 }
673 }
674 }
675 // If no destination index is specified, add or move the item after the active item.
676 let mut insertion_index = {
677 cmp::min(
678 if let Some(destination_index) = destination_index {
679 destination_index
680 } else {
681 self.active_item_index + 1
682 },
683 self.items.len(),
684 )
685 };
686
687 // Does the item already exist?
688 let project_entry_id = if item.is_singleton(cx) {
689 item.project_entry_ids(cx).get(0).copied()
690 } else {
691 None
692 };
693
694 let existing_item_index = self.items.iter().position(|existing_item| {
695 if existing_item.item_id() == item.item_id() {
696 true
697 } else if existing_item.is_singleton(cx) {
698 existing_item
699 .project_entry_ids(cx)
700 .get(0)
701 .map_or(false, |existing_entry_id| {
702 Some(existing_entry_id) == project_entry_id.as_ref()
703 })
704 } else {
705 false
706 }
707 });
708
709 if let Some(existing_item_index) = existing_item_index {
710 // If the item already exists, move it to the desired destination and activate it
711
712 if existing_item_index != insertion_index {
713 let existing_item_is_active = existing_item_index == self.active_item_index;
714
715 // If the caller didn't specify a destination and the added item is already
716 // the active one, don't move it
717 if existing_item_is_active && destination_index.is_none() {
718 insertion_index = existing_item_index;
719 } else {
720 self.items.remove(existing_item_index);
721 if existing_item_index < self.active_item_index {
722 self.active_item_index -= 1;
723 }
724 insertion_index = insertion_index.min(self.items.len());
725
726 self.items.insert(insertion_index, item.clone());
727
728 if existing_item_is_active {
729 self.active_item_index = insertion_index;
730 } else if insertion_index <= self.active_item_index {
731 self.active_item_index += 1;
732 }
733 }
734
735 cx.notify();
736 }
737
738 self.activate_item(insertion_index, activate_pane, focus_item, cx);
739 } else {
740 self.items.insert(insertion_index, item.clone());
741
742 if insertion_index <= self.active_item_index
743 && self.preview_item_idx() != Some(self.active_item_index)
744 {
745 self.active_item_index += 1;
746 }
747
748 self.activate_item(insertion_index, activate_pane, focus_item, cx);
749 cx.notify();
750 }
751
752 cx.emit(Event::AddItem { item });
753 }
754
755 pub fn items_len(&self) -> usize {
756 self.items.len()
757 }
758
759 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
760 self.items.iter()
761 }
762
763 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = View<T>> {
764 self.items
765 .iter()
766 .filter_map(|item| item.to_any().downcast().ok())
767 }
768
769 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
770 self.items.get(self.active_item_index).cloned()
771 }
772
773 pub fn pixel_position_of_cursor(&self, cx: &AppContext) -> Option<Point<Pixels>> {
774 self.items
775 .get(self.active_item_index)?
776 .pixel_position_of_cursor(cx)
777 }
778
779 pub fn item_for_entry(
780 &self,
781 entry_id: ProjectEntryId,
782 cx: &AppContext,
783 ) -> Option<Box<dyn ItemHandle>> {
784 self.items.iter().find_map(|item| {
785 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
786 Some(item.boxed_clone())
787 } else {
788 None
789 }
790 })
791 }
792
793 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
794 self.items
795 .iter()
796 .position(|i| i.item_id() == item.item_id())
797 }
798
799 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
800 self.items.get(ix).map(|i| i.as_ref())
801 }
802
803 pub fn toggle_zoom(&mut self, _: &ToggleZoom, cx: &mut ViewContext<Self>) {
804 if self.zoomed {
805 cx.emit(Event::ZoomOut);
806 } else if !self.items.is_empty() {
807 if !self.focus_handle.contains_focused(cx) {
808 cx.focus_self();
809 }
810 cx.emit(Event::ZoomIn);
811 }
812 }
813
814 pub fn activate_item(
815 &mut self,
816 index: usize,
817 activate_pane: bool,
818 focus_item: bool,
819 cx: &mut ViewContext<Self>,
820 ) {
821 use NavigationMode::{GoingBack, GoingForward};
822
823 if index < self.items.len() {
824 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
825 if prev_active_item_ix != self.active_item_index
826 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
827 {
828 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
829 prev_item.deactivated(cx);
830 }
831 }
832 cx.emit(Event::ActivateItem {
833 local: activate_pane,
834 });
835
836 if let Some(newly_active_item) = self.items.get(index) {
837 self.activation_history
838 .retain(|&previously_active_item_id| {
839 previously_active_item_id != newly_active_item.item_id()
840 });
841 self.activation_history.push(newly_active_item.item_id());
842 }
843
844 self.update_toolbar(cx);
845 self.update_status_bar(cx);
846
847 if focus_item {
848 self.focus_active_item(cx);
849 }
850
851 self.tab_bar_scroll_handle.scroll_to_item(index);
852 cx.notify();
853 }
854 }
855
856 pub fn activate_prev_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
857 let mut index = self.active_item_index;
858 if index > 0 {
859 index -= 1;
860 } else if !self.items.is_empty() {
861 index = self.items.len() - 1;
862 }
863 self.activate_item(index, activate_pane, activate_pane, cx);
864 }
865
866 pub fn activate_next_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
867 let mut index = self.active_item_index;
868 if index + 1 < self.items.len() {
869 index += 1;
870 } else {
871 index = 0;
872 }
873 self.activate_item(index, activate_pane, activate_pane, cx);
874 }
875
876 pub fn close_active_item(
877 &mut self,
878 action: &CloseActiveItem,
879 cx: &mut ViewContext<Self>,
880 ) -> Option<Task<Result<()>>> {
881 if self.items.is_empty() {
882 return None;
883 }
884 let active_item_id = self.items[self.active_item_index].item_id();
885 Some(self.close_item_by_id(
886 active_item_id,
887 action.save_intent.unwrap_or(SaveIntent::Close),
888 cx,
889 ))
890 }
891
892 pub fn close_item_by_id(
893 &mut self,
894 item_id_to_close: EntityId,
895 save_intent: SaveIntent,
896 cx: &mut ViewContext<Self>,
897 ) -> Task<Result<()>> {
898 self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
899 }
900
901 pub fn close_inactive_items(
902 &mut self,
903 action: &CloseInactiveItems,
904 cx: &mut ViewContext<Self>,
905 ) -> Option<Task<Result<()>>> {
906 if self.items.is_empty() {
907 return None;
908 }
909
910 let active_item_id = self.items[self.active_item_index].item_id();
911 Some(self.close_items(
912 cx,
913 action.save_intent.unwrap_or(SaveIntent::Close),
914 move |item_id| item_id != active_item_id,
915 ))
916 }
917
918 pub fn close_clean_items(
919 &mut self,
920 _: &CloseCleanItems,
921 cx: &mut ViewContext<Self>,
922 ) -> Option<Task<Result<()>>> {
923 let item_ids: Vec<_> = self
924 .items()
925 .filter(|item| !item.is_dirty(cx))
926 .map(|item| item.item_id())
927 .collect();
928 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
929 item_ids.contains(&item_id)
930 }))
931 }
932
933 pub fn close_items_to_the_left(
934 &mut self,
935 _: &CloseItemsToTheLeft,
936 cx: &mut ViewContext<Self>,
937 ) -> Option<Task<Result<()>>> {
938 if self.items.is_empty() {
939 return None;
940 }
941 let active_item_id = self.items[self.active_item_index].item_id();
942 Some(self.close_items_to_the_left_by_id(active_item_id, cx))
943 }
944
945 pub fn close_items_to_the_left_by_id(
946 &mut self,
947 item_id: EntityId,
948 cx: &mut ViewContext<Self>,
949 ) -> Task<Result<()>> {
950 let item_ids: Vec<_> = self
951 .items()
952 .take_while(|item| item.item_id() != item_id)
953 .map(|item| item.item_id())
954 .collect();
955 self.close_items(cx, SaveIntent::Close, move |item_id| {
956 item_ids.contains(&item_id)
957 })
958 }
959
960 pub fn close_items_to_the_right(
961 &mut self,
962 _: &CloseItemsToTheRight,
963 cx: &mut ViewContext<Self>,
964 ) -> Option<Task<Result<()>>> {
965 if self.items.is_empty() {
966 return None;
967 }
968 let active_item_id = self.items[self.active_item_index].item_id();
969 Some(self.close_items_to_the_right_by_id(active_item_id, cx))
970 }
971
972 pub fn close_items_to_the_right_by_id(
973 &mut self,
974 item_id: EntityId,
975 cx: &mut ViewContext<Self>,
976 ) -> Task<Result<()>> {
977 let item_ids: Vec<_> = self
978 .items()
979 .rev()
980 .take_while(|item| item.item_id() != item_id)
981 .map(|item| item.item_id())
982 .collect();
983 self.close_items(cx, SaveIntent::Close, move |item_id| {
984 item_ids.contains(&item_id)
985 })
986 }
987
988 pub fn close_all_items(
989 &mut self,
990 action: &CloseAllItems,
991 cx: &mut ViewContext<Self>,
992 ) -> Option<Task<Result<()>>> {
993 if self.items.is_empty() {
994 return None;
995 }
996
997 Some(
998 self.close_items(cx, action.save_intent.unwrap_or(SaveIntent::Close), |_| {
999 true
1000 }),
1001 )
1002 }
1003
1004 pub(super) fn file_names_for_prompt(
1005 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1006 all_dirty_items: usize,
1007 cx: &AppContext,
1008 ) -> (String, String) {
1009 /// Quantity of item paths displayed in prompt prior to cutoff..
1010 const FILE_NAMES_CUTOFF_POINT: usize = 10;
1011 let mut file_names: Vec<_> = items
1012 .filter_map(|item| {
1013 item.project_path(cx).and_then(|project_path| {
1014 project_path
1015 .path
1016 .file_name()
1017 .and_then(|name| name.to_str().map(ToOwned::to_owned))
1018 })
1019 })
1020 .take(FILE_NAMES_CUTOFF_POINT)
1021 .collect();
1022 let should_display_followup_text =
1023 all_dirty_items > FILE_NAMES_CUTOFF_POINT || file_names.len() != all_dirty_items;
1024 if should_display_followup_text {
1025 let not_shown_files = all_dirty_items - file_names.len();
1026 if not_shown_files == 1 {
1027 file_names.push(".. 1 file not shown".into());
1028 } else {
1029 file_names.push(format!(".. {} files not shown", not_shown_files));
1030 }
1031 }
1032 (
1033 format!(
1034 "Do you want to save changes to the following {} files?",
1035 all_dirty_items
1036 ),
1037 file_names.join("\n"),
1038 )
1039 }
1040
1041 pub fn close_items(
1042 &mut self,
1043 cx: &mut ViewContext<Pane>,
1044 mut save_intent: SaveIntent,
1045 should_close: impl Fn(EntityId) -> bool,
1046 ) -> Task<Result<()>> {
1047 // Find the items to close.
1048 let mut items_to_close = Vec::new();
1049 let mut dirty_items = Vec::new();
1050 for item in &self.items {
1051 if should_close(item.item_id()) {
1052 items_to_close.push(item.boxed_clone());
1053 if item.is_dirty(cx) {
1054 dirty_items.push(item.boxed_clone());
1055 }
1056 }
1057 }
1058
1059 // If a buffer is open both in a singleton editor and in a multibuffer, make sure
1060 // to focus the singleton buffer when prompting to save that buffer, as opposed
1061 // to focusing the multibuffer, because this gives the user a more clear idea
1062 // of what content they would be saving.
1063 items_to_close.sort_by_key(|item| !item.is_singleton(cx));
1064
1065 let workspace = self.workspace.clone();
1066 cx.spawn(|pane, mut cx| async move {
1067 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1068 let answer = pane.update(&mut cx, |_, cx| {
1069 let (prompt, detail) =
1070 Self::file_names_for_prompt(&mut dirty_items.iter(), dirty_items.len(), cx);
1071 cx.prompt(
1072 PromptLevel::Warning,
1073 &prompt,
1074 Some(&detail),
1075 &["Save all", "Discard all", "Cancel"],
1076 )
1077 })?;
1078 match answer.await {
1079 Ok(0) => save_intent = SaveIntent::SaveAll,
1080 Ok(1) => save_intent = SaveIntent::Skip,
1081 _ => {}
1082 }
1083 }
1084 let mut saved_project_items_ids = HashSet::default();
1085 for item in items_to_close.clone() {
1086 // Find the item's current index and its set of project item models. Avoid
1087 // storing these in advance, in case they have changed since this task
1088 // was started.
1089 let (item_ix, mut project_item_ids) = pane.update(&mut cx, |pane, cx| {
1090 (pane.index_for_item(&*item), item.project_item_model_ids(cx))
1091 })?;
1092 let item_ix = if let Some(ix) = item_ix {
1093 ix
1094 } else {
1095 continue;
1096 };
1097
1098 // Check if this view has any project items that are not open anywhere else
1099 // in the workspace, AND that the user has not already been prompted to save.
1100 // If there are any such project entries, prompt the user to save this item.
1101 let project = workspace.update(&mut cx, |workspace, cx| {
1102 for item in workspace.items(cx) {
1103 if !items_to_close
1104 .iter()
1105 .any(|item_to_close| item_to_close.item_id() == item.item_id())
1106 {
1107 let other_project_item_ids = item.project_item_model_ids(cx);
1108 project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1109 }
1110 }
1111 workspace.project().clone()
1112 })?;
1113 let should_save = project_item_ids
1114 .iter()
1115 .any(|id| saved_project_items_ids.insert(*id));
1116
1117 if should_save
1118 && !Self::save_item(
1119 project.clone(),
1120 &pane,
1121 item_ix,
1122 &*item,
1123 save_intent,
1124 &mut cx,
1125 )
1126 .await?
1127 {
1128 break;
1129 }
1130
1131 // Remove the item from the pane.
1132 pane.update(&mut cx, |pane, cx| {
1133 if let Some(item_ix) = pane
1134 .items
1135 .iter()
1136 .position(|i| i.item_id() == item.item_id())
1137 {
1138 pane.remove_item(item_ix, false, true, cx);
1139 }
1140 })
1141 .ok();
1142 }
1143
1144 pane.update(&mut cx, |_, cx| cx.notify()).ok();
1145 Ok(())
1146 })
1147 }
1148
1149 pub fn remove_item(
1150 &mut self,
1151 item_index: usize,
1152 activate_pane: bool,
1153 close_pane_if_empty: bool,
1154 cx: &mut ViewContext<Self>,
1155 ) {
1156 self.activation_history
1157 .retain(|&history_entry| history_entry != self.items[item_index].item_id());
1158
1159 if item_index == self.active_item_index {
1160 let index_to_activate = self
1161 .activation_history
1162 .pop()
1163 .and_then(|last_activated_item| {
1164 self.items.iter().enumerate().find_map(|(index, item)| {
1165 (item.item_id() == last_activated_item).then_some(index)
1166 })
1167 })
1168 // We didn't have a valid activation history entry, so fallback
1169 // to activating the item to the left
1170 .unwrap_or_else(|| item_index.min(self.items.len()).saturating_sub(1));
1171
1172 let should_activate = activate_pane || self.has_focus(cx);
1173 if self.items.len() == 1 && should_activate {
1174 self.focus_handle.focus(cx);
1175 } else {
1176 self.activate_item(index_to_activate, should_activate, should_activate, cx);
1177 }
1178 }
1179
1180 let item = self.items.remove(item_index);
1181
1182 cx.emit(Event::RemoveItem {
1183 item_id: item.item_id(),
1184 });
1185 if self.items.is_empty() {
1186 item.deactivated(cx);
1187 if close_pane_if_empty {
1188 self.update_toolbar(cx);
1189 cx.emit(Event::Remove);
1190 }
1191 }
1192
1193 if item_index < self.active_item_index {
1194 self.active_item_index -= 1;
1195 }
1196
1197 let mode = self.nav_history.mode();
1198 self.nav_history.set_mode(NavigationMode::ClosingItem);
1199 item.deactivated(cx);
1200 self.nav_history.set_mode(mode);
1201
1202 if self.is_active_preview_item(item.item_id()) {
1203 self.set_preview_item_id(None, cx);
1204 }
1205
1206 if let Some(path) = item.project_path(cx) {
1207 let abs_path = self
1208 .nav_history
1209 .0
1210 .lock()
1211 .paths_by_item
1212 .get(&item.item_id())
1213 .and_then(|(_, abs_path)| abs_path.clone());
1214
1215 self.nav_history
1216 .0
1217 .lock()
1218 .paths_by_item
1219 .insert(item.item_id(), (path, abs_path));
1220 } else {
1221 self.nav_history
1222 .0
1223 .lock()
1224 .paths_by_item
1225 .remove(&item.item_id());
1226 }
1227
1228 if self.items.is_empty() && close_pane_if_empty && self.zoomed {
1229 cx.emit(Event::ZoomOut);
1230 }
1231
1232 cx.notify();
1233 }
1234
1235 pub async fn save_item(
1236 project: Model<Project>,
1237 pane: &WeakView<Pane>,
1238 item_ix: usize,
1239 item: &dyn ItemHandle,
1240 save_intent: SaveIntent,
1241 cx: &mut AsyncWindowContext,
1242 ) -> Result<bool> {
1243 const CONFLICT_MESSAGE: &str =
1244 "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1245
1246 if save_intent == SaveIntent::Skip {
1247 return Ok(true);
1248 }
1249
1250 let (mut has_conflict, mut is_dirty, mut can_save, can_save_as) = cx.update(|cx| {
1251 (
1252 item.has_conflict(cx),
1253 item.is_dirty(cx),
1254 item.can_save(cx),
1255 item.is_singleton(cx),
1256 )
1257 })?;
1258
1259 // when saving a single buffer, we ignore whether or not it's dirty.
1260 if save_intent == SaveIntent::Save || save_intent == SaveIntent::SaveWithoutFormat {
1261 is_dirty = true;
1262 }
1263
1264 if save_intent == SaveIntent::SaveAs {
1265 is_dirty = true;
1266 has_conflict = false;
1267 can_save = false;
1268 }
1269
1270 if save_intent == SaveIntent::Overwrite {
1271 has_conflict = false;
1272 }
1273
1274 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
1275
1276 if has_conflict && can_save {
1277 let answer = pane.update(cx, |pane, cx| {
1278 pane.activate_item(item_ix, true, true, cx);
1279 cx.prompt(
1280 PromptLevel::Warning,
1281 CONFLICT_MESSAGE,
1282 None,
1283 &["Overwrite", "Discard", "Cancel"],
1284 )
1285 })?;
1286 match answer.await {
1287 Ok(0) => {
1288 pane.update(cx, |_, cx| item.save(should_format, project, cx))?
1289 .await?
1290 }
1291 Ok(1) => pane.update(cx, |_, cx| item.reload(project, cx))?.await?,
1292 _ => return Ok(false),
1293 }
1294 } else if is_dirty && (can_save || can_save_as) {
1295 if save_intent == SaveIntent::Close {
1296 let will_autosave = cx.update(|cx| {
1297 matches!(
1298 WorkspaceSettings::get_global(cx).autosave,
1299 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1300 ) && Self::can_autosave_item(item, cx)
1301 })?;
1302 if !will_autosave {
1303 let answer = pane.update(cx, |pane, cx| {
1304 pane.activate_item(item_ix, true, true, cx);
1305 let prompt = dirty_message_for(item.project_path(cx));
1306 cx.prompt(
1307 PromptLevel::Warning,
1308 &prompt,
1309 None,
1310 &["Save", "Don't Save", "Cancel"],
1311 )
1312 })?;
1313 match answer.await {
1314 Ok(0) => {}
1315 Ok(1) => return Ok(true), // Don't save this file
1316 _ => return Ok(false), // Cancel
1317 }
1318 }
1319 }
1320
1321 if can_save {
1322 pane.update(cx, |_, cx| item.save(should_format, project, cx))?
1323 .await?;
1324 } else if can_save_as {
1325 let abs_path = pane.update(cx, |pane, cx| {
1326 pane.workspace
1327 .update(cx, |workspace, cx| workspace.prompt_for_new_path(cx))
1328 })??;
1329 if let Some(abs_path) = abs_path.await.ok().flatten() {
1330 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1331 .await?;
1332 } else {
1333 return Ok(false);
1334 }
1335 }
1336 }
1337 Ok(true)
1338 }
1339
1340 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1341 let is_deleted = item.project_entry_ids(cx).is_empty();
1342 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1343 }
1344
1345 pub fn autosave_item(
1346 item: &dyn ItemHandle,
1347 project: Model<Project>,
1348 cx: &mut WindowContext,
1349 ) -> Task<Result<()>> {
1350 if Self::can_autosave_item(item, cx) {
1351 item.save(true, project, cx)
1352 } else {
1353 Task::ready(Ok(()))
1354 }
1355 }
1356
1357 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1358 cx.focus(&self.focus_handle);
1359 }
1360
1361 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1362 if let Some(active_item) = self.active_item() {
1363 let focus_handle = active_item.focus_handle(cx);
1364 cx.focus(&focus_handle);
1365 }
1366 }
1367
1368 pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1369 cx.emit(Event::Split(direction));
1370 }
1371
1372 pub fn toolbar(&self) -> &View<Toolbar> {
1373 &self.toolbar
1374 }
1375
1376 pub fn handle_deleted_project_item(
1377 &mut self,
1378 entry_id: ProjectEntryId,
1379 cx: &mut ViewContext<Pane>,
1380 ) -> Option<()> {
1381 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1382 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1383 Some((i, item.item_id()))
1384 } else {
1385 None
1386 }
1387 })?;
1388
1389 self.remove_item(item_index_to_delete, false, true, cx);
1390 self.nav_history.remove_item(item_id);
1391
1392 Some(())
1393 }
1394
1395 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1396 let active_item = self
1397 .items
1398 .get(self.active_item_index)
1399 .map(|item| item.as_ref());
1400 self.toolbar.update(cx, |toolbar, cx| {
1401 toolbar.set_active_item(active_item, cx);
1402 });
1403 }
1404
1405 fn update_status_bar(&mut self, cx: &mut ViewContext<Self>) {
1406 let workspace = self.workspace.clone();
1407 let pane = cx.view().clone();
1408
1409 cx.window_context().defer(move |cx| {
1410 let Ok(status_bar) = workspace.update(cx, |workspace, _| workspace.status_bar.clone())
1411 else {
1412 return;
1413 };
1414
1415 status_bar.update(cx, move |status_bar, cx| {
1416 status_bar.set_active_pane(&pane, cx);
1417 });
1418 });
1419 }
1420
1421 fn render_tab(
1422 &self,
1423 ix: usize,
1424 item: &Box<dyn ItemHandle>,
1425 detail: usize,
1426 cx: &mut ViewContext<'_, Pane>,
1427 ) -> impl IntoElement {
1428 let is_active = ix == self.active_item_index;
1429 let is_preview = self
1430 .preview_item_id
1431 .map(|id| id == item.item_id())
1432 .unwrap_or(false);
1433
1434 let label = item.tab_content(
1435 TabContentParams {
1436 detail: Some(detail),
1437 selected: is_active,
1438 preview: is_preview,
1439 },
1440 cx,
1441 );
1442 let close_side = &ItemSettings::get_global(cx).close_position;
1443 let indicator = render_item_indicator(item.boxed_clone(), cx);
1444 let item_id = item.item_id();
1445 let is_first_item = ix == 0;
1446 let is_last_item = ix == self.items.len() - 1;
1447 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
1448
1449 let tab = Tab::new(ix)
1450 .position(if is_first_item {
1451 TabPosition::First
1452 } else if is_last_item {
1453 TabPosition::Last
1454 } else {
1455 TabPosition::Middle(position_relative_to_active_item)
1456 })
1457 .close_side(match close_side {
1458 ClosePosition::Left => ui::TabCloseSide::Start,
1459 ClosePosition::Right => ui::TabCloseSide::End,
1460 })
1461 .selected(is_active)
1462 .on_click(
1463 cx.listener(move |pane: &mut Self, _, cx| pane.activate_item(ix, true, true, cx)),
1464 )
1465 // TODO: This should be a click listener with the middle mouse button instead of a mouse down listener.
1466 .on_mouse_down(
1467 MouseButton::Middle,
1468 cx.listener(move |pane, _event, cx| {
1469 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1470 .detach_and_log_err(cx);
1471 }),
1472 )
1473 .on_mouse_down(
1474 MouseButton::Left,
1475 cx.listener(move |pane, event: &MouseDownEvent, cx| {
1476 if let Some(id) = pane.preview_item_id {
1477 if id == item_id && event.click_count > 1 {
1478 pane.set_preview_item_id(None, cx);
1479 }
1480 }
1481 }),
1482 )
1483 .on_drag(
1484 DraggedTab {
1485 item: item.boxed_clone(),
1486 pane: cx.view().clone(),
1487 detail,
1488 is_active,
1489 ix,
1490 },
1491 |tab, cx| cx.new_view(|_| tab.clone()),
1492 )
1493 .drag_over::<DraggedTab>(|tab, _, cx| {
1494 tab.bg(cx.theme().colors().drop_target_background)
1495 })
1496 .drag_over::<ProjectEntryId>(|tab, _, cx| {
1497 tab.bg(cx.theme().colors().drop_target_background)
1498 })
1499 .when_some(self.can_drop_predicate.clone(), |this, p| {
1500 this.can_drop(move |a, cx| p(a, cx))
1501 })
1502 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1503 this.drag_split_direction = None;
1504 this.handle_tab_drop(dragged_tab, ix, cx)
1505 }))
1506 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1507 this.drag_split_direction = None;
1508 this.handle_project_entry_drop(entry_id, cx)
1509 }))
1510 .on_drop(cx.listener(move |this, paths, cx| {
1511 this.drag_split_direction = None;
1512 this.handle_external_paths_drop(paths, cx)
1513 }))
1514 .when_some(item.tab_tooltip_text(cx), |tab, text| {
1515 tab.tooltip(move |cx| Tooltip::text(text.clone(), cx))
1516 })
1517 .start_slot::<Indicator>(indicator)
1518 .end_slot(
1519 IconButton::new("close tab", IconName::Close)
1520 .shape(IconButtonShape::Square)
1521 .icon_color(Color::Muted)
1522 .size(ButtonSize::None)
1523 .icon_size(IconSize::XSmall)
1524 .on_click(cx.listener(move |pane, _, cx| {
1525 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1526 .detach_and_log_err(cx);
1527 })),
1528 )
1529 .child(label);
1530
1531 let single_entry_to_resolve = {
1532 let item_entries = self.items[ix].project_entry_ids(cx);
1533 if item_entries.len() == 1 {
1534 Some(item_entries[0])
1535 } else {
1536 None
1537 }
1538 };
1539
1540 let pane = cx.view().downgrade();
1541 right_click_menu(ix).trigger(tab).menu(move |cx| {
1542 let pane = pane.clone();
1543 ContextMenu::build(cx, move |mut menu, cx| {
1544 if let Some(pane) = pane.upgrade() {
1545 menu = menu
1546 .entry(
1547 "Close",
1548 Some(Box::new(CloseActiveItem { save_intent: None })),
1549 cx.handler_for(&pane, move |pane, cx| {
1550 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1551 .detach_and_log_err(cx);
1552 }),
1553 )
1554 .entry(
1555 "Close Others",
1556 Some(Box::new(CloseInactiveItems { save_intent: None })),
1557 cx.handler_for(&pane, move |pane, cx| {
1558 pane.close_items(cx, SaveIntent::Close, |id| id != item_id)
1559 .detach_and_log_err(cx);
1560 }),
1561 )
1562 .separator()
1563 .entry(
1564 "Close Left",
1565 Some(Box::new(CloseItemsToTheLeft)),
1566 cx.handler_for(&pane, move |pane, cx| {
1567 pane.close_items_to_the_left_by_id(item_id, cx)
1568 .detach_and_log_err(cx);
1569 }),
1570 )
1571 .entry(
1572 "Close Right",
1573 Some(Box::new(CloseItemsToTheRight)),
1574 cx.handler_for(&pane, move |pane, cx| {
1575 pane.close_items_to_the_right_by_id(item_id, cx)
1576 .detach_and_log_err(cx);
1577 }),
1578 )
1579 .separator()
1580 .entry(
1581 "Close Clean",
1582 Some(Box::new(CloseCleanItems)),
1583 cx.handler_for(&pane, move |pane, cx| {
1584 if let Some(task) = pane.close_clean_items(&CloseCleanItems, cx) {
1585 task.detach_and_log_err(cx)
1586 }
1587 }),
1588 )
1589 .entry(
1590 "Close All",
1591 Some(Box::new(CloseAllItems { save_intent: None })),
1592 cx.handler_for(&pane, |pane, cx| {
1593 if let Some(task) =
1594 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
1595 {
1596 task.detach_and_log_err(cx)
1597 }
1598 }),
1599 );
1600
1601 if let Some(entry) = single_entry_to_resolve {
1602 let parent_abs_path = pane
1603 .update(cx, |pane, cx| {
1604 pane.workspace.update(cx, |workspace, cx| {
1605 let project = workspace.project().read(cx);
1606 project.worktree_for_entry(entry, cx).and_then(|worktree| {
1607 let worktree = worktree.read(cx);
1608 let entry = worktree.entry_for_id(entry)?;
1609 let abs_path = worktree.absolutize(&entry.path).ok()?;
1610 let parent = if entry.is_symlink {
1611 abs_path.canonicalize().ok()?
1612 } else {
1613 abs_path
1614 }
1615 .parent()?
1616 .to_path_buf();
1617 Some(parent)
1618 })
1619 })
1620 })
1621 .ok()
1622 .flatten();
1623
1624 let entry_id = entry.to_proto();
1625 menu = menu
1626 .separator()
1627 .entry(
1628 "Reveal In Project Panel",
1629 Some(Box::new(RevealInProjectPanel {
1630 entry_id: Some(entry_id),
1631 })),
1632 cx.handler_for(&pane, move |pane, cx| {
1633 pane.project.update(cx, |_, cx| {
1634 cx.emit(project::Event::RevealInProjectPanel(
1635 ProjectEntryId::from_proto(entry_id),
1636 ))
1637 });
1638 }),
1639 )
1640 .when_some(parent_abs_path, |menu, abs_path| {
1641 menu.entry(
1642 "Open in Terminal",
1643 Some(Box::new(OpenInTerminal)),
1644 cx.handler_for(&pane, move |_, cx| {
1645 cx.dispatch_action(
1646 OpenTerminal {
1647 working_directory: abs_path.clone(),
1648 }
1649 .boxed_clone(),
1650 );
1651 }),
1652 )
1653 });
1654 }
1655 }
1656
1657 menu
1658 })
1659 })
1660 }
1661
1662 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1663 TabBar::new("tab_bar")
1664 .track_scroll(self.tab_bar_scroll_handle.clone())
1665 .when(
1666 self.display_nav_history_buttons.unwrap_or_default(),
1667 |tab_bar| {
1668 tab_bar.start_child(
1669 h_flex()
1670 .gap_2()
1671 .child(
1672 IconButton::new("navigate_backward", IconName::ArrowLeft)
1673 .icon_size(IconSize::Small)
1674 .on_click({
1675 let view = cx.view().clone();
1676 move |_, cx| view.update(cx, Self::navigate_backward)
1677 })
1678 .disabled(!self.can_navigate_backward())
1679 .tooltip(|cx| Tooltip::for_action("Go Back", &GoBack, cx)),
1680 )
1681 .child(
1682 IconButton::new("navigate_forward", IconName::ArrowRight)
1683 .icon_size(IconSize::Small)
1684 .on_click({
1685 let view = cx.view().clone();
1686 move |_, cx| view.update(cx, Self::navigate_forward)
1687 })
1688 .disabled(!self.can_navigate_forward())
1689 .tooltip(|cx| {
1690 Tooltip::for_action("Go Forward", &GoForward, cx)
1691 }),
1692 ),
1693 )
1694 },
1695 )
1696 .when(self.has_focus(cx), |tab_bar| {
1697 tab_bar.end_child({
1698 let render_tab_buttons = self.render_tab_bar_buttons.clone();
1699 render_tab_buttons(self, cx)
1700 })
1701 })
1702 .children(
1703 self.items
1704 .iter()
1705 .enumerate()
1706 .zip(tab_details(&self.items, cx))
1707 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1708 )
1709 .child(
1710 div()
1711 .id("tab_bar_drop_target")
1712 .min_w_6()
1713 // HACK: This empty child is currently necessary to force the drop target to appear
1714 // despite us setting a min width above.
1715 .child("")
1716 .h_full()
1717 .flex_grow()
1718 .drag_over::<DraggedTab>(|bar, _, cx| {
1719 bar.bg(cx.theme().colors().drop_target_background)
1720 })
1721 .drag_over::<ProjectEntryId>(|bar, _, cx| {
1722 bar.bg(cx.theme().colors().drop_target_background)
1723 })
1724 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1725 this.drag_split_direction = None;
1726 this.handle_tab_drop(dragged_tab, this.items.len(), cx)
1727 }))
1728 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1729 this.drag_split_direction = None;
1730 this.handle_project_entry_drop(entry_id, cx)
1731 }))
1732 .on_drop(cx.listener(move |this, paths, cx| {
1733 this.drag_split_direction = None;
1734 this.handle_external_paths_drop(paths, cx)
1735 }))
1736 .on_click(cx.listener(move |this, event: &ClickEvent, cx| {
1737 if event.up.click_count == 2 {
1738 cx.dispatch_action(this.double_click_dispatch_action.boxed_clone())
1739 }
1740 })),
1741 )
1742 }
1743
1744 pub fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1745 div().absolute().bottom_0().right_0().size_0().child(
1746 deferred(
1747 anchored()
1748 .anchor(AnchorCorner::TopRight)
1749 .child(menu.clone()),
1750 )
1751 .with_priority(1),
1752 )
1753 }
1754
1755 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1756 self.zoomed = zoomed;
1757 cx.notify();
1758 }
1759
1760 pub fn is_zoomed(&self) -> bool {
1761 self.zoomed
1762 }
1763
1764 fn handle_drag_move<T>(&mut self, event: &DragMoveEvent<T>, cx: &mut ViewContext<Self>) {
1765 if !self.can_split {
1766 return;
1767 }
1768
1769 let rect = event.bounds.size;
1770
1771 let size = event.bounds.size.width.min(event.bounds.size.height)
1772 * WorkspaceSettings::get_global(cx).drop_target_size;
1773
1774 let relative_cursor = Point::new(
1775 event.event.position.x - event.bounds.left(),
1776 event.event.position.y - event.bounds.top(),
1777 );
1778
1779 let direction = if relative_cursor.x < size
1780 || relative_cursor.x > rect.width - size
1781 || relative_cursor.y < size
1782 || relative_cursor.y > rect.height - size
1783 {
1784 [
1785 SplitDirection::Up,
1786 SplitDirection::Right,
1787 SplitDirection::Down,
1788 SplitDirection::Left,
1789 ]
1790 .iter()
1791 .min_by_key(|side| match side {
1792 SplitDirection::Up => relative_cursor.y,
1793 SplitDirection::Right => rect.width - relative_cursor.x,
1794 SplitDirection::Down => rect.height - relative_cursor.y,
1795 SplitDirection::Left => relative_cursor.x,
1796 })
1797 .cloned()
1798 } else {
1799 None
1800 };
1801
1802 if direction != self.drag_split_direction {
1803 self.drag_split_direction = direction;
1804 }
1805 }
1806
1807 fn handle_tab_drop(
1808 &mut self,
1809 dragged_tab: &DraggedTab,
1810 ix: usize,
1811 cx: &mut ViewContext<'_, Self>,
1812 ) {
1813 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1814 if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, cx) {
1815 return;
1816 }
1817 }
1818 let mut to_pane = cx.view().clone();
1819 let split_direction = self.drag_split_direction;
1820 let item_id = dragged_tab.item.item_id();
1821 if let Some(preview_item_id) = self.preview_item_id {
1822 if item_id == preview_item_id {
1823 self.set_preview_item_id(None, cx);
1824 }
1825 }
1826
1827 let from_pane = dragged_tab.pane.clone();
1828 self.workspace
1829 .update(cx, |_, cx| {
1830 cx.defer(move |workspace, cx| {
1831 if let Some(split_direction) = split_direction {
1832 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1833 }
1834 workspace.move_item(from_pane, to_pane, item_id, ix, cx);
1835 });
1836 })
1837 .log_err();
1838 }
1839
1840 fn handle_project_entry_drop(
1841 &mut self,
1842 project_entry_id: &ProjectEntryId,
1843 cx: &mut ViewContext<'_, Self>,
1844 ) {
1845 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1846 if let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, cx) {
1847 return;
1848 }
1849 }
1850 let mut to_pane = cx.view().clone();
1851 let split_direction = self.drag_split_direction;
1852 let project_entry_id = *project_entry_id;
1853 self.workspace
1854 .update(cx, |_, cx| {
1855 cx.defer(move |workspace, cx| {
1856 if let Some(path) = workspace
1857 .project()
1858 .read(cx)
1859 .path_for_entry(project_entry_id, cx)
1860 {
1861 if let Some(split_direction) = split_direction {
1862 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1863 }
1864 workspace
1865 .open_path(path, Some(to_pane.downgrade()), true, cx)
1866 .detach_and_log_err(cx);
1867 }
1868 });
1869 })
1870 .log_err();
1871 }
1872
1873 fn handle_external_paths_drop(
1874 &mut self,
1875 paths: &ExternalPaths,
1876 cx: &mut ViewContext<'_, Self>,
1877 ) {
1878 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1879 if let ControlFlow::Break(()) = custom_drop_handle(self, paths, cx) {
1880 return;
1881 }
1882 }
1883 let mut to_pane = cx.view().clone();
1884 let mut split_direction = self.drag_split_direction;
1885 let paths = paths.paths().to_vec();
1886 self.workspace
1887 .update(cx, |workspace, cx| {
1888 let fs = Arc::clone(workspace.project().read(cx).fs());
1889 cx.spawn(|workspace, mut cx| async move {
1890 let mut is_file_checks = FuturesUnordered::new();
1891 for path in &paths {
1892 is_file_checks.push(fs.is_file(path))
1893 }
1894 let mut has_files_to_open = false;
1895 while let Some(is_file) = is_file_checks.next().await {
1896 if is_file {
1897 has_files_to_open = true;
1898 break;
1899 }
1900 }
1901 drop(is_file_checks);
1902 if !has_files_to_open {
1903 split_direction = None;
1904 }
1905
1906 if let Some(open_task) = workspace
1907 .update(&mut cx, |workspace, cx| {
1908 if let Some(split_direction) = split_direction {
1909 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1910 }
1911 workspace.open_paths(
1912 paths,
1913 OpenVisible::OnlyDirectories,
1914 Some(to_pane.downgrade()),
1915 cx,
1916 )
1917 })
1918 .ok()
1919 {
1920 let _opened_items: Vec<_> = open_task.await;
1921 }
1922 })
1923 .detach();
1924 })
1925 .log_err();
1926 }
1927
1928 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
1929 self.display_nav_history_buttons = display;
1930 }
1931}
1932
1933impl FocusableView for Pane {
1934 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
1935 self.focus_handle.clone()
1936 }
1937}
1938
1939impl Render for Pane {
1940 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1941 let mut key_context = KeyContext::new_with_defaults();
1942 key_context.add("Pane");
1943 if self.active_item().is_none() {
1944 key_context.add("EmptyPane");
1945 }
1946
1947 v_flex()
1948 .key_context(key_context)
1949 .track_focus(&self.focus_handle)
1950 .size_full()
1951 .flex_none()
1952 .overflow_hidden()
1953 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
1954 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
1955 .on_action(
1956 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
1957 )
1958 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
1959 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
1960 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
1961 .on_action(cx.listener(Pane::toggle_zoom))
1962 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
1963 pane.activate_item(action.0, true, true, cx);
1964 }))
1965 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
1966 pane.activate_item(pane.items.len() - 1, true, true, cx);
1967 }))
1968 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
1969 pane.activate_prev_item(true, cx);
1970 }))
1971 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
1972 pane.activate_next_item(true, cx);
1973 }))
1974 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
1975 this.on_action(cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, cx| {
1976 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
1977 if pane.is_active_preview_item(active_item_id) {
1978 pane.set_preview_item_id(None, cx);
1979 } else {
1980 pane.set_preview_item_id(Some(active_item_id), cx);
1981 }
1982 }
1983 }))
1984 })
1985 .on_action(
1986 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
1987 if let Some(task) = pane.close_active_item(action, cx) {
1988 task.detach_and_log_err(cx)
1989 }
1990 }),
1991 )
1992 .on_action(
1993 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
1994 if let Some(task) = pane.close_inactive_items(action, cx) {
1995 task.detach_and_log_err(cx)
1996 }
1997 }),
1998 )
1999 .on_action(
2000 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2001 if let Some(task) = pane.close_clean_items(action, cx) {
2002 task.detach_and_log_err(cx)
2003 }
2004 }),
2005 )
2006 .on_action(
2007 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2008 if let Some(task) = pane.close_items_to_the_left(action, cx) {
2009 task.detach_and_log_err(cx)
2010 }
2011 }),
2012 )
2013 .on_action(
2014 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2015 if let Some(task) = pane.close_items_to_the_right(action, cx) {
2016 task.detach_and_log_err(cx)
2017 }
2018 }),
2019 )
2020 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2021 if let Some(task) = pane.close_all_items(action, cx) {
2022 task.detach_and_log_err(cx)
2023 }
2024 }))
2025 .on_action(
2026 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2027 if let Some(task) = pane.close_active_item(action, cx) {
2028 task.detach_and_log_err(cx)
2029 }
2030 }),
2031 )
2032 .on_action(
2033 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, cx| {
2034 let entry_id = action
2035 .entry_id
2036 .map(ProjectEntryId::from_proto)
2037 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
2038 if let Some(entry_id) = entry_id {
2039 pane.project.update(cx, |_, cx| {
2040 cx.emit(project::Event::RevealInProjectPanel(entry_id))
2041 });
2042 }
2043 }),
2044 )
2045 .when(self.active_item().is_some(), |pane| {
2046 pane.child(self.render_tab_bar(cx))
2047 })
2048 .child({
2049 let has_worktrees = self.project.read(cx).worktrees().next().is_some();
2050 // main content
2051 div()
2052 .flex_1()
2053 .relative()
2054 .group("")
2055 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
2056 .on_drag_move::<ProjectEntryId>(cx.listener(Self::handle_drag_move))
2057 .on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
2058 .map(|div| {
2059 if let Some(item) = self.active_item() {
2060 div.v_flex()
2061 .child(self.toolbar.clone())
2062 .child(item.to_any())
2063 } else {
2064 let placeholder = div.h_flex().size_full().justify_center();
2065 if has_worktrees {
2066 placeholder
2067 } else {
2068 placeholder.child(
2069 Label::new("Open a file or project to get started.")
2070 .color(Color::Muted),
2071 )
2072 }
2073 }
2074 })
2075 .child(
2076 // drag target
2077 div()
2078 .invisible()
2079 .absolute()
2080 .bg(cx.theme().colors().drop_target_background)
2081 .group_drag_over::<DraggedTab>("", |style| style.visible())
2082 .group_drag_over::<ProjectEntryId>("", |style| style.visible())
2083 .group_drag_over::<ExternalPaths>("", |style| style.visible())
2084 .when_some(self.can_drop_predicate.clone(), |this, p| {
2085 this.can_drop(move |a, cx| p(a, cx))
2086 })
2087 .on_drop(cx.listener(move |this, dragged_tab, cx| {
2088 this.handle_tab_drop(dragged_tab, this.active_item_index(), cx)
2089 }))
2090 .on_drop(cx.listener(move |this, entry_id, cx| {
2091 this.handle_project_entry_drop(entry_id, cx)
2092 }))
2093 .on_drop(cx.listener(move |this, paths, cx| {
2094 this.handle_external_paths_drop(paths, cx)
2095 }))
2096 .map(|div| {
2097 let size = DefiniteLength::Fraction(0.5);
2098 match self.drag_split_direction {
2099 None => div.top_0().right_0().bottom_0().left_0(),
2100 Some(SplitDirection::Up) => {
2101 div.top_0().left_0().right_0().h(size)
2102 }
2103 Some(SplitDirection::Down) => {
2104 div.left_0().bottom_0().right_0().h(size)
2105 }
2106 Some(SplitDirection::Left) => {
2107 div.top_0().left_0().bottom_0().w(size)
2108 }
2109 Some(SplitDirection::Right) => {
2110 div.top_0().bottom_0().right_0().w(size)
2111 }
2112 }
2113 }),
2114 )
2115 })
2116 .on_mouse_down(
2117 MouseButton::Navigate(NavigationDirection::Back),
2118 cx.listener(|pane, _, cx| {
2119 if let Some(workspace) = pane.workspace.upgrade() {
2120 let pane = cx.view().downgrade();
2121 cx.window_context().defer(move |cx| {
2122 workspace.update(cx, |workspace, cx| {
2123 workspace.go_back(pane, cx).detach_and_log_err(cx)
2124 })
2125 })
2126 }
2127 }),
2128 )
2129 .on_mouse_down(
2130 MouseButton::Navigate(NavigationDirection::Forward),
2131 cx.listener(|pane, _, cx| {
2132 if let Some(workspace) = pane.workspace.upgrade() {
2133 let pane = cx.view().downgrade();
2134 cx.window_context().defer(move |cx| {
2135 workspace.update(cx, |workspace, cx| {
2136 workspace.go_forward(pane, cx).detach_and_log_err(cx)
2137 })
2138 })
2139 }
2140 }),
2141 )
2142 }
2143}
2144
2145impl ItemNavHistory {
2146 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2147 self.history
2148 .push(data, self.item.clone(), self.is_preview, cx);
2149 }
2150
2151 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2152 self.history.pop(NavigationMode::GoingBack, cx)
2153 }
2154
2155 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2156 self.history.pop(NavigationMode::GoingForward, cx)
2157 }
2158}
2159
2160impl NavHistory {
2161 pub fn for_each_entry(
2162 &self,
2163 cx: &AppContext,
2164 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2165 ) {
2166 let borrowed_history = self.0.lock();
2167 borrowed_history
2168 .forward_stack
2169 .iter()
2170 .chain(borrowed_history.backward_stack.iter())
2171 .chain(borrowed_history.closed_stack.iter())
2172 .for_each(|entry| {
2173 if let Some(project_and_abs_path) =
2174 borrowed_history.paths_by_item.get(&entry.item.id())
2175 {
2176 f(entry, project_and_abs_path.clone());
2177 } else if let Some(item) = entry.item.upgrade() {
2178 if let Some(path) = item.project_path(cx) {
2179 f(entry, (path, None));
2180 }
2181 }
2182 })
2183 }
2184
2185 pub fn set_mode(&mut self, mode: NavigationMode) {
2186 self.0.lock().mode = mode;
2187 }
2188
2189 pub fn mode(&self) -> NavigationMode {
2190 self.0.lock().mode
2191 }
2192
2193 pub fn disable(&mut self) {
2194 self.0.lock().mode = NavigationMode::Disabled;
2195 }
2196
2197 pub fn enable(&mut self) {
2198 self.0.lock().mode = NavigationMode::Normal;
2199 }
2200
2201 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2202 let mut state = self.0.lock();
2203 let entry = match mode {
2204 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2205 return None
2206 }
2207 NavigationMode::GoingBack => &mut state.backward_stack,
2208 NavigationMode::GoingForward => &mut state.forward_stack,
2209 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2210 }
2211 .pop_back();
2212 if entry.is_some() {
2213 state.did_update(cx);
2214 }
2215 entry
2216 }
2217
2218 pub fn push<D: 'static + Send + Any>(
2219 &mut self,
2220 data: Option<D>,
2221 item: Arc<dyn WeakItemHandle>,
2222 is_preview: bool,
2223 cx: &mut WindowContext,
2224 ) {
2225 let state = &mut *self.0.lock();
2226 match state.mode {
2227 NavigationMode::Disabled => {}
2228 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2229 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2230 state.backward_stack.pop_front();
2231 }
2232 state.backward_stack.push_back(NavigationEntry {
2233 item,
2234 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2235 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2236 is_preview,
2237 });
2238 state.forward_stack.clear();
2239 }
2240 NavigationMode::GoingBack => {
2241 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2242 state.forward_stack.pop_front();
2243 }
2244 state.forward_stack.push_back(NavigationEntry {
2245 item,
2246 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2247 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2248 is_preview,
2249 });
2250 }
2251 NavigationMode::GoingForward => {
2252 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2253 state.backward_stack.pop_front();
2254 }
2255 state.backward_stack.push_back(NavigationEntry {
2256 item,
2257 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2258 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2259 is_preview,
2260 });
2261 }
2262 NavigationMode::ClosingItem => {
2263 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2264 state.closed_stack.pop_front();
2265 }
2266 state.closed_stack.push_back(NavigationEntry {
2267 item,
2268 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2269 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2270 is_preview,
2271 });
2272 }
2273 }
2274 state.did_update(cx);
2275 }
2276
2277 pub fn remove_item(&mut self, item_id: EntityId) {
2278 let mut state = self.0.lock();
2279 state.paths_by_item.remove(&item_id);
2280 state
2281 .backward_stack
2282 .retain(|entry| entry.item.id() != item_id);
2283 state
2284 .forward_stack
2285 .retain(|entry| entry.item.id() != item_id);
2286 state
2287 .closed_stack
2288 .retain(|entry| entry.item.id() != item_id);
2289 }
2290
2291 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2292 self.0.lock().paths_by_item.get(&item_id).cloned()
2293 }
2294}
2295
2296impl NavHistoryState {
2297 pub fn did_update(&self, cx: &mut WindowContext) {
2298 if let Some(pane) = self.pane.upgrade() {
2299 cx.defer(move |cx| {
2300 pane.update(cx, |pane, cx| pane.history_updated(cx));
2301 });
2302 }
2303 }
2304}
2305
2306fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2307 let path = buffer_path
2308 .as_ref()
2309 .and_then(|p| {
2310 p.path
2311 .to_str()
2312 .and_then(|s| if s == "" { None } else { Some(s) })
2313 })
2314 .unwrap_or("This buffer");
2315 let path = truncate_and_remove_front(path, 80);
2316 format!("{path} contains unsaved edits. Do you want to save it?")
2317}
2318
2319pub fn tab_details(items: &Vec<Box<dyn ItemHandle>>, cx: &AppContext) -> Vec<usize> {
2320 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
2321 let mut tab_descriptions = HashMap::default();
2322 let mut done = false;
2323 while !done {
2324 done = true;
2325
2326 // Store item indices by their tab description.
2327 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
2328 if let Some(description) = item.tab_description(*detail, cx) {
2329 if *detail == 0
2330 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
2331 {
2332 tab_descriptions
2333 .entry(description)
2334 .or_insert(Vec::new())
2335 .push(ix);
2336 }
2337 }
2338 }
2339
2340 // If two or more items have the same tab description, increase their level
2341 // of detail and try again.
2342 for (_, item_ixs) in tab_descriptions.drain() {
2343 if item_ixs.len() > 1 {
2344 done = false;
2345 for ix in item_ixs {
2346 tab_details[ix] += 1;
2347 }
2348 }
2349 }
2350 }
2351
2352 tab_details
2353}
2354
2355pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &WindowContext) -> Option<Indicator> {
2356 maybe!({
2357 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
2358 (true, _) => Color::Warning,
2359 (_, true) => Color::Accent,
2360 (false, false) => return None,
2361 };
2362
2363 Some(Indicator::dot().color(indicator_color))
2364 })
2365}
2366
2367#[cfg(test)]
2368mod tests {
2369 use super::*;
2370 use crate::item::test::{TestItem, TestProjectItem};
2371 use gpui::{TestAppContext, VisualTestContext};
2372 use project::FakeFs;
2373 use settings::SettingsStore;
2374 use theme::LoadThemes;
2375
2376 #[gpui::test]
2377 async fn test_remove_active_empty(cx: &mut TestAppContext) {
2378 init_test(cx);
2379 let fs = FakeFs::new(cx.executor());
2380
2381 let project = Project::test(fs, None, cx).await;
2382 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2383 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2384
2385 pane.update(cx, |pane, cx| {
2386 assert!(pane
2387 .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2388 .is_none())
2389 });
2390 }
2391
2392 #[gpui::test]
2393 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2394 init_test(cx);
2395 let fs = FakeFs::new(cx.executor());
2396
2397 let project = Project::test(fs, None, cx).await;
2398 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2399 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2400
2401 // 1. Add with a destination index
2402 // a. Add before the active item
2403 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2404 pane.update(cx, |pane, cx| {
2405 pane.add_item(
2406 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2407 false,
2408 false,
2409 Some(0),
2410 cx,
2411 );
2412 });
2413 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2414
2415 // b. Add after the active item
2416 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2417 pane.update(cx, |pane, cx| {
2418 pane.add_item(
2419 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2420 false,
2421 false,
2422 Some(2),
2423 cx,
2424 );
2425 });
2426 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2427
2428 // c. Add at the end of the item list (including off the length)
2429 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2430 pane.update(cx, |pane, cx| {
2431 pane.add_item(
2432 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2433 false,
2434 false,
2435 Some(5),
2436 cx,
2437 );
2438 });
2439 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2440
2441 // 2. Add without a destination index
2442 // a. Add with active item at the start of the item list
2443 set_labeled_items(&pane, ["A*", "B", "C"], cx);
2444 pane.update(cx, |pane, cx| {
2445 pane.add_item(
2446 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2447 false,
2448 false,
2449 None,
2450 cx,
2451 );
2452 });
2453 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2454
2455 // b. Add with active item at the end of the item list
2456 set_labeled_items(&pane, ["A", "B", "C*"], cx);
2457 pane.update(cx, |pane, cx| {
2458 pane.add_item(
2459 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2460 false,
2461 false,
2462 None,
2463 cx,
2464 );
2465 });
2466 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2467 }
2468
2469 #[gpui::test]
2470 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2471 init_test(cx);
2472 let fs = FakeFs::new(cx.executor());
2473
2474 let project = Project::test(fs, None, cx).await;
2475 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2476 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2477
2478 // 1. Add with a destination index
2479 // 1a. Add before the active item
2480 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2481 pane.update(cx, |pane, cx| {
2482 pane.add_item(d, false, false, Some(0), cx);
2483 });
2484 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2485
2486 // 1b. Add after the active item
2487 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2488 pane.update(cx, |pane, cx| {
2489 pane.add_item(d, false, false, Some(2), cx);
2490 });
2491 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2492
2493 // 1c. Add at the end of the item list (including off the length)
2494 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2495 pane.update(cx, |pane, cx| {
2496 pane.add_item(a, false, false, Some(5), cx);
2497 });
2498 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2499
2500 // 1d. Add same item to active index
2501 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2502 pane.update(cx, |pane, cx| {
2503 pane.add_item(b, false, false, Some(1), cx);
2504 });
2505 assert_item_labels(&pane, ["A", "B*", "C"], cx);
2506
2507 // 1e. Add item to index after same item in last position
2508 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2509 pane.update(cx, |pane, cx| {
2510 pane.add_item(c, false, false, Some(2), cx);
2511 });
2512 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2513
2514 // 2. Add without a destination index
2515 // 2a. Add with active item at the start of the item list
2516 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2517 pane.update(cx, |pane, cx| {
2518 pane.add_item(d, false, false, None, cx);
2519 });
2520 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2521
2522 // 2b. Add with active item at the end of the item list
2523 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2524 pane.update(cx, |pane, cx| {
2525 pane.add_item(a, false, false, None, cx);
2526 });
2527 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2528
2529 // 2c. Add active item to active item at end of list
2530 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2531 pane.update(cx, |pane, cx| {
2532 pane.add_item(c, false, false, None, cx);
2533 });
2534 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2535
2536 // 2d. Add active item to active item at start of list
2537 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2538 pane.update(cx, |pane, cx| {
2539 pane.add_item(a, false, false, None, cx);
2540 });
2541 assert_item_labels(&pane, ["A*", "B", "C"], cx);
2542 }
2543
2544 #[gpui::test]
2545 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2546 init_test(cx);
2547 let fs = FakeFs::new(cx.executor());
2548
2549 let project = Project::test(fs, None, cx).await;
2550 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2551 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2552
2553 // singleton view
2554 pane.update(cx, |pane, cx| {
2555 pane.add_item(
2556 Box::new(cx.new_view(|cx| {
2557 TestItem::new(cx)
2558 .with_singleton(true)
2559 .with_label("buffer 1")
2560 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
2561 })),
2562 false,
2563 false,
2564 None,
2565 cx,
2566 );
2567 });
2568 assert_item_labels(&pane, ["buffer 1*"], cx);
2569
2570 // new singleton view with the same project entry
2571 pane.update(cx, |pane, cx| {
2572 pane.add_item(
2573 Box::new(cx.new_view(|cx| {
2574 TestItem::new(cx)
2575 .with_singleton(true)
2576 .with_label("buffer 1")
2577 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2578 })),
2579 false,
2580 false,
2581 None,
2582 cx,
2583 );
2584 });
2585 assert_item_labels(&pane, ["buffer 1*"], cx);
2586
2587 // new singleton view with different project entry
2588 pane.update(cx, |pane, cx| {
2589 pane.add_item(
2590 Box::new(cx.new_view(|cx| {
2591 TestItem::new(cx)
2592 .with_singleton(true)
2593 .with_label("buffer 2")
2594 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
2595 })),
2596 false,
2597 false,
2598 None,
2599 cx,
2600 );
2601 });
2602 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2603
2604 // new multibuffer view with the same project entry
2605 pane.update(cx, |pane, cx| {
2606 pane.add_item(
2607 Box::new(cx.new_view(|cx| {
2608 TestItem::new(cx)
2609 .with_singleton(false)
2610 .with_label("multibuffer 1")
2611 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2612 })),
2613 false,
2614 false,
2615 None,
2616 cx,
2617 );
2618 });
2619 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2620
2621 // another multibuffer view with the same project entry
2622 pane.update(cx, |pane, cx| {
2623 pane.add_item(
2624 Box::new(cx.new_view(|cx| {
2625 TestItem::new(cx)
2626 .with_singleton(false)
2627 .with_label("multibuffer 1b")
2628 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2629 })),
2630 false,
2631 false,
2632 None,
2633 cx,
2634 );
2635 });
2636 assert_item_labels(
2637 &pane,
2638 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2639 cx,
2640 );
2641 }
2642
2643 #[gpui::test]
2644 async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2645 init_test(cx);
2646 let fs = FakeFs::new(cx.executor());
2647
2648 let project = Project::test(fs, None, cx).await;
2649 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2650 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2651
2652 add_labeled_item(&pane, "A", false, cx);
2653 add_labeled_item(&pane, "B", false, cx);
2654 add_labeled_item(&pane, "C", false, cx);
2655 add_labeled_item(&pane, "D", false, cx);
2656 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2657
2658 pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2659 add_labeled_item(&pane, "1", false, cx);
2660 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2661
2662 pane.update(cx, |pane, cx| {
2663 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2664 })
2665 .unwrap()
2666 .await
2667 .unwrap();
2668 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2669
2670 pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2671 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2672
2673 pane.update(cx, |pane, cx| {
2674 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2675 })
2676 .unwrap()
2677 .await
2678 .unwrap();
2679 assert_item_labels(&pane, ["A", "B*", "C"], 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", "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*"], cx);
2696 }
2697
2698 #[gpui::test]
2699 async fn test_close_inactive_items(cx: &mut TestAppContext) {
2700 init_test(cx);
2701 let fs = FakeFs::new(cx.executor());
2702
2703 let project = Project::test(fs, None, cx).await;
2704 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2705 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2706
2707 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2708
2709 pane.update(cx, |pane, cx| {
2710 pane.close_inactive_items(&CloseInactiveItems { save_intent: None }, cx)
2711 })
2712 .unwrap()
2713 .await
2714 .unwrap();
2715 assert_item_labels(&pane, ["C*"], cx);
2716 }
2717
2718 #[gpui::test]
2719 async fn test_close_clean_items(cx: &mut TestAppContext) {
2720 init_test(cx);
2721 let fs = FakeFs::new(cx.executor());
2722
2723 let project = Project::test(fs, None, cx).await;
2724 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2725 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2726
2727 add_labeled_item(&pane, "A", true, cx);
2728 add_labeled_item(&pane, "B", false, cx);
2729 add_labeled_item(&pane, "C", true, cx);
2730 add_labeled_item(&pane, "D", false, cx);
2731 add_labeled_item(&pane, "E", false, cx);
2732 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
2733
2734 pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
2735 .unwrap()
2736 .await
2737 .unwrap();
2738 assert_item_labels(&pane, ["A^", "C*^"], cx);
2739 }
2740
2741 #[gpui::test]
2742 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
2743 init_test(cx);
2744 let fs = FakeFs::new(cx.executor());
2745
2746 let project = Project::test(fs, None, cx).await;
2747 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2748 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2749
2750 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2751
2752 pane.update(cx, |pane, cx| {
2753 pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
2754 })
2755 .unwrap()
2756 .await
2757 .unwrap();
2758 assert_item_labels(&pane, ["C*", "D", "E"], cx);
2759 }
2760
2761 #[gpui::test]
2762 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
2763 init_test(cx);
2764 let fs = FakeFs::new(cx.executor());
2765
2766 let project = Project::test(fs, None, cx).await;
2767 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2768 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2769
2770 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2771
2772 pane.update(cx, |pane, cx| {
2773 pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
2774 })
2775 .unwrap()
2776 .await
2777 .unwrap();
2778 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2779 }
2780
2781 #[gpui::test]
2782 async fn test_close_all_items(cx: &mut TestAppContext) {
2783 init_test(cx);
2784 let fs = FakeFs::new(cx.executor());
2785
2786 let project = Project::test(fs, None, cx).await;
2787 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2788 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2789
2790 add_labeled_item(&pane, "A", false, cx);
2791 add_labeled_item(&pane, "B", false, cx);
2792 add_labeled_item(&pane, "C", false, cx);
2793 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2794
2795 pane.update(cx, |pane, cx| {
2796 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2797 })
2798 .unwrap()
2799 .await
2800 .unwrap();
2801 assert_item_labels(&pane, [], cx);
2802
2803 add_labeled_item(&pane, "A", true, cx);
2804 add_labeled_item(&pane, "B", true, cx);
2805 add_labeled_item(&pane, "C", true, cx);
2806 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
2807
2808 let save = pane
2809 .update(cx, |pane, cx| {
2810 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2811 })
2812 .unwrap();
2813
2814 cx.executor().run_until_parked();
2815 cx.simulate_prompt_answer(2);
2816 save.await.unwrap();
2817 assert_item_labels(&pane, [], cx);
2818 }
2819
2820 fn init_test(cx: &mut TestAppContext) {
2821 cx.update(|cx| {
2822 let settings_store = SettingsStore::test(cx);
2823 cx.set_global(settings_store);
2824 theme::init(LoadThemes::JustBase, cx);
2825 crate::init_settings(cx);
2826 Project::init_settings(cx);
2827 });
2828 }
2829
2830 fn add_labeled_item(
2831 pane: &View<Pane>,
2832 label: &str,
2833 is_dirty: bool,
2834 cx: &mut VisualTestContext,
2835 ) -> Box<View<TestItem>> {
2836 pane.update(cx, |pane, cx| {
2837 let labeled_item = Box::new(
2838 cx.new_view(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)),
2839 );
2840 pane.add_item(labeled_item.clone(), false, false, None, cx);
2841 labeled_item
2842 })
2843 }
2844
2845 fn set_labeled_items<const COUNT: usize>(
2846 pane: &View<Pane>,
2847 labels: [&str; COUNT],
2848 cx: &mut VisualTestContext,
2849 ) -> [Box<View<TestItem>>; COUNT] {
2850 pane.update(cx, |pane, cx| {
2851 pane.items.clear();
2852 let mut active_item_index = 0;
2853
2854 let mut index = 0;
2855 let items = labels.map(|mut label| {
2856 if label.ends_with('*') {
2857 label = label.trim_end_matches('*');
2858 active_item_index = index;
2859 }
2860
2861 let labeled_item = Box::new(cx.new_view(|cx| TestItem::new(cx).with_label(label)));
2862 pane.add_item(labeled_item.clone(), false, false, None, cx);
2863 index += 1;
2864 labeled_item
2865 });
2866
2867 pane.activate_item(active_item_index, false, false, cx);
2868
2869 items
2870 })
2871 }
2872
2873 // Assert the item label, with the active item label suffixed with a '*'
2874 fn assert_item_labels<const COUNT: usize>(
2875 pane: &View<Pane>,
2876 expected_states: [&str; COUNT],
2877 cx: &mut VisualTestContext,
2878 ) {
2879 pane.update(cx, |pane, cx| {
2880 let actual_states = pane
2881 .items
2882 .iter()
2883 .enumerate()
2884 .map(|(ix, item)| {
2885 let mut state = item
2886 .to_any()
2887 .downcast::<TestItem>()
2888 .unwrap()
2889 .read(cx)
2890 .label
2891 .clone();
2892 if ix == pane.active_item_index {
2893 state.push('*');
2894 }
2895 if item.is_dirty(cx) {
2896 state.push('^');
2897 }
2898 state
2899 })
2900 .collect::<Vec<_>>();
2901
2902 assert_eq!(
2903 actual_states, expected_states,
2904 "pane items do not match expectation"
2905 );
2906 })
2907 }
2908}
2909
2910impl Render for DraggedTab {
2911 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2912 let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2913 let label = self.item.tab_content(
2914 TabContentParams {
2915 detail: Some(self.detail),
2916 selected: false,
2917 preview: false,
2918 },
2919 cx,
2920 );
2921 Tab::new("")
2922 .selected(self.is_active)
2923 .child(label)
2924 .render(cx)
2925 .font_family(ui_font)
2926 }
2927}