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 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 start_abs_path = project
1326 .update(cx, |project, cx| {
1327 let worktree = project.visible_worktrees(cx).next()?;
1328 Some(worktree.read(cx).as_local()?.abs_path().to_path_buf())
1329 })?
1330 .unwrap_or_else(|| Path::new("").into());
1331
1332 let abs_path = cx.update(|cx| cx.prompt_for_new_path(&start_abs_path))?;
1333 if let Some(abs_path) = abs_path.await.ok().flatten() {
1334 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1335 .await?;
1336 } else {
1337 return Ok(false);
1338 }
1339 }
1340 }
1341 Ok(true)
1342 }
1343
1344 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1345 let is_deleted = item.project_entry_ids(cx).is_empty();
1346 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1347 }
1348
1349 pub fn autosave_item(
1350 item: &dyn ItemHandle,
1351 project: Model<Project>,
1352 cx: &mut WindowContext,
1353 ) -> Task<Result<()>> {
1354 if Self::can_autosave_item(item, cx) {
1355 item.save(true, project, cx)
1356 } else {
1357 Task::ready(Ok(()))
1358 }
1359 }
1360
1361 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1362 cx.focus(&self.focus_handle);
1363 }
1364
1365 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1366 if let Some(active_item) = self.active_item() {
1367 let focus_handle = active_item.focus_handle(cx);
1368 cx.focus(&focus_handle);
1369 }
1370 }
1371
1372 pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1373 cx.emit(Event::Split(direction));
1374 }
1375
1376 pub fn toolbar(&self) -> &View<Toolbar> {
1377 &self.toolbar
1378 }
1379
1380 pub fn handle_deleted_project_item(
1381 &mut self,
1382 entry_id: ProjectEntryId,
1383 cx: &mut ViewContext<Pane>,
1384 ) -> Option<()> {
1385 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1386 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1387 Some((i, item.item_id()))
1388 } else {
1389 None
1390 }
1391 })?;
1392
1393 self.remove_item(item_index_to_delete, false, true, cx);
1394 self.nav_history.remove_item(item_id);
1395
1396 Some(())
1397 }
1398
1399 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1400 let active_item = self
1401 .items
1402 .get(self.active_item_index)
1403 .map(|item| item.as_ref());
1404 self.toolbar.update(cx, |toolbar, cx| {
1405 toolbar.set_active_item(active_item, cx);
1406 });
1407 }
1408
1409 fn update_status_bar(&mut self, cx: &mut ViewContext<Self>) {
1410 let workspace = self.workspace.clone();
1411 let pane = cx.view().clone();
1412
1413 cx.window_context().defer(move |cx| {
1414 let Ok(status_bar) = workspace.update(cx, |workspace, _| workspace.status_bar.clone())
1415 else {
1416 return;
1417 };
1418
1419 status_bar.update(cx, move |status_bar, cx| {
1420 status_bar.set_active_pane(&pane, cx);
1421 });
1422 });
1423 }
1424
1425 fn render_tab(
1426 &self,
1427 ix: usize,
1428 item: &Box<dyn ItemHandle>,
1429 detail: usize,
1430 cx: &mut ViewContext<'_, Pane>,
1431 ) -> impl IntoElement {
1432 let is_active = ix == self.active_item_index;
1433 let is_preview = self
1434 .preview_item_id
1435 .map(|id| id == item.item_id())
1436 .unwrap_or(false);
1437
1438 let label = item.tab_content(
1439 TabContentParams {
1440 detail: Some(detail),
1441 selected: is_active,
1442 preview: is_preview,
1443 },
1444 cx,
1445 );
1446 let close_side = &ItemSettings::get_global(cx).close_position;
1447 let indicator = render_item_indicator(item.boxed_clone(), cx);
1448 let item_id = item.item_id();
1449 let is_first_item = ix == 0;
1450 let is_last_item = ix == self.items.len() - 1;
1451 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
1452
1453 let tab = Tab::new(ix)
1454 .position(if is_first_item {
1455 TabPosition::First
1456 } else if is_last_item {
1457 TabPosition::Last
1458 } else {
1459 TabPosition::Middle(position_relative_to_active_item)
1460 })
1461 .close_side(match close_side {
1462 ClosePosition::Left => ui::TabCloseSide::Start,
1463 ClosePosition::Right => ui::TabCloseSide::End,
1464 })
1465 .selected(is_active)
1466 .on_click(
1467 cx.listener(move |pane: &mut Self, _, cx| pane.activate_item(ix, true, true, cx)),
1468 )
1469 // TODO: This should be a click listener with the middle mouse button instead of a mouse down listener.
1470 .on_mouse_down(
1471 MouseButton::Middle,
1472 cx.listener(move |pane, _event, cx| {
1473 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1474 .detach_and_log_err(cx);
1475 }),
1476 )
1477 .on_mouse_down(
1478 MouseButton::Left,
1479 cx.listener(move |pane, event: &MouseDownEvent, cx| {
1480 if let Some(id) = pane.preview_item_id {
1481 if id == item_id && event.click_count > 1 {
1482 pane.set_preview_item_id(None, cx);
1483 }
1484 }
1485 }),
1486 )
1487 .on_drag(
1488 DraggedTab {
1489 item: item.boxed_clone(),
1490 pane: cx.view().clone(),
1491 detail,
1492 is_active,
1493 ix,
1494 },
1495 |tab, cx| cx.new_view(|_| tab.clone()),
1496 )
1497 .drag_over::<DraggedTab>(|tab, _, cx| {
1498 tab.bg(cx.theme().colors().drop_target_background)
1499 })
1500 .drag_over::<ProjectEntryId>(|tab, _, cx| {
1501 tab.bg(cx.theme().colors().drop_target_background)
1502 })
1503 .when_some(self.can_drop_predicate.clone(), |this, p| {
1504 this.can_drop(move |a, cx| p(a, cx))
1505 })
1506 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1507 this.drag_split_direction = None;
1508 this.handle_tab_drop(dragged_tab, ix, cx)
1509 }))
1510 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1511 this.drag_split_direction = None;
1512 this.handle_project_entry_drop(entry_id, cx)
1513 }))
1514 .on_drop(cx.listener(move |this, paths, cx| {
1515 this.drag_split_direction = None;
1516 this.handle_external_paths_drop(paths, cx)
1517 }))
1518 .when_some(item.tab_tooltip_text(cx), |tab, text| {
1519 tab.tooltip(move |cx| Tooltip::text(text.clone(), cx))
1520 })
1521 .start_slot::<Indicator>(indicator)
1522 .end_slot(
1523 IconButton::new("close tab", IconName::Close)
1524 .shape(IconButtonShape::Square)
1525 .icon_color(Color::Muted)
1526 .size(ButtonSize::None)
1527 .icon_size(IconSize::XSmall)
1528 .on_click(cx.listener(move |pane, _, cx| {
1529 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1530 .detach_and_log_err(cx);
1531 })),
1532 )
1533 .child(label);
1534
1535 let single_entry_to_resolve = {
1536 let item_entries = self.items[ix].project_entry_ids(cx);
1537 if item_entries.len() == 1 {
1538 Some(item_entries[0])
1539 } else {
1540 None
1541 }
1542 };
1543
1544 let pane = cx.view().downgrade();
1545 right_click_menu(ix).trigger(tab).menu(move |cx| {
1546 let pane = pane.clone();
1547 ContextMenu::build(cx, move |mut menu, cx| {
1548 if let Some(pane) = pane.upgrade() {
1549 menu = menu
1550 .entry(
1551 "Close",
1552 Some(Box::new(CloseActiveItem { save_intent: None })),
1553 cx.handler_for(&pane, move |pane, cx| {
1554 pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1555 .detach_and_log_err(cx);
1556 }),
1557 )
1558 .entry(
1559 "Close Others",
1560 Some(Box::new(CloseInactiveItems { save_intent: None })),
1561 cx.handler_for(&pane, move |pane, cx| {
1562 pane.close_items(cx, SaveIntent::Close, |id| id != item_id)
1563 .detach_and_log_err(cx);
1564 }),
1565 )
1566 .separator()
1567 .entry(
1568 "Close Left",
1569 Some(Box::new(CloseItemsToTheLeft)),
1570 cx.handler_for(&pane, move |pane, cx| {
1571 pane.close_items_to_the_left_by_id(item_id, cx)
1572 .detach_and_log_err(cx);
1573 }),
1574 )
1575 .entry(
1576 "Close Right",
1577 Some(Box::new(CloseItemsToTheRight)),
1578 cx.handler_for(&pane, move |pane, cx| {
1579 pane.close_items_to_the_right_by_id(item_id, cx)
1580 .detach_and_log_err(cx);
1581 }),
1582 )
1583 .separator()
1584 .entry(
1585 "Close Clean",
1586 Some(Box::new(CloseCleanItems)),
1587 cx.handler_for(&pane, move |pane, cx| {
1588 if let Some(task) = pane.close_clean_items(&CloseCleanItems, cx) {
1589 task.detach_and_log_err(cx)
1590 }
1591 }),
1592 )
1593 .entry(
1594 "Close All",
1595 Some(Box::new(CloseAllItems { save_intent: None })),
1596 cx.handler_for(&pane, |pane, cx| {
1597 if let Some(task) =
1598 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
1599 {
1600 task.detach_and_log_err(cx)
1601 }
1602 }),
1603 );
1604
1605 if let Some(entry) = single_entry_to_resolve {
1606 let parent_abs_path = pane
1607 .update(cx, |pane, cx| {
1608 pane.workspace.update(cx, |workspace, cx| {
1609 let project = workspace.project().read(cx);
1610 project.worktree_for_entry(entry, cx).and_then(|worktree| {
1611 let worktree = worktree.read(cx);
1612 let entry = worktree.entry_for_id(entry)?;
1613 let abs_path = worktree.absolutize(&entry.path).ok()?;
1614 let parent = if entry.is_symlink {
1615 abs_path.canonicalize().ok()?
1616 } else {
1617 abs_path
1618 }
1619 .parent()?
1620 .to_path_buf();
1621 Some(parent)
1622 })
1623 })
1624 })
1625 .ok()
1626 .flatten();
1627
1628 let entry_id = entry.to_proto();
1629 menu = menu
1630 .separator()
1631 .entry(
1632 "Reveal In Project Panel",
1633 Some(Box::new(RevealInProjectPanel {
1634 entry_id: Some(entry_id),
1635 })),
1636 cx.handler_for(&pane, move |pane, cx| {
1637 pane.project.update(cx, |_, cx| {
1638 cx.emit(project::Event::RevealInProjectPanel(
1639 ProjectEntryId::from_proto(entry_id),
1640 ))
1641 });
1642 }),
1643 )
1644 .when_some(parent_abs_path, |menu, abs_path| {
1645 menu.entry(
1646 "Open in Terminal",
1647 Some(Box::new(OpenInTerminal)),
1648 cx.handler_for(&pane, move |_, cx| {
1649 cx.dispatch_action(
1650 OpenTerminal {
1651 working_directory: abs_path.clone(),
1652 }
1653 .boxed_clone(),
1654 );
1655 }),
1656 )
1657 });
1658 }
1659 }
1660
1661 menu
1662 })
1663 })
1664 }
1665
1666 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1667 TabBar::new("tab_bar")
1668 .track_scroll(self.tab_bar_scroll_handle.clone())
1669 .when(
1670 self.display_nav_history_buttons.unwrap_or_default(),
1671 |tab_bar| {
1672 tab_bar.start_child(
1673 h_flex()
1674 .gap_2()
1675 .child(
1676 IconButton::new("navigate_backward", IconName::ArrowLeft)
1677 .icon_size(IconSize::Small)
1678 .on_click({
1679 let view = cx.view().clone();
1680 move |_, cx| view.update(cx, Self::navigate_backward)
1681 })
1682 .disabled(!self.can_navigate_backward())
1683 .tooltip(|cx| Tooltip::for_action("Go Back", &GoBack, cx)),
1684 )
1685 .child(
1686 IconButton::new("navigate_forward", IconName::ArrowRight)
1687 .icon_size(IconSize::Small)
1688 .on_click({
1689 let view = cx.view().clone();
1690 move |_, cx| view.update(cx, Self::navigate_forward)
1691 })
1692 .disabled(!self.can_navigate_forward())
1693 .tooltip(|cx| {
1694 Tooltip::for_action("Go Forward", &GoForward, cx)
1695 }),
1696 ),
1697 )
1698 },
1699 )
1700 .when(self.has_focus(cx), |tab_bar| {
1701 tab_bar.end_child({
1702 let render_tab_buttons = self.render_tab_bar_buttons.clone();
1703 render_tab_buttons(self, cx)
1704 })
1705 })
1706 .children(
1707 self.items
1708 .iter()
1709 .enumerate()
1710 .zip(tab_details(&self.items, cx))
1711 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1712 )
1713 .child(
1714 div()
1715 .id("tab_bar_drop_target")
1716 .min_w_6()
1717 // HACK: This empty child is currently necessary to force the drop target to appear
1718 // despite us setting a min width above.
1719 .child("")
1720 .h_full()
1721 .flex_grow()
1722 .drag_over::<DraggedTab>(|bar, _, cx| {
1723 bar.bg(cx.theme().colors().drop_target_background)
1724 })
1725 .drag_over::<ProjectEntryId>(|bar, _, cx| {
1726 bar.bg(cx.theme().colors().drop_target_background)
1727 })
1728 .on_drop(cx.listener(move |this, dragged_tab: &DraggedTab, cx| {
1729 this.drag_split_direction = None;
1730 this.handle_tab_drop(dragged_tab, this.items.len(), cx)
1731 }))
1732 .on_drop(cx.listener(move |this, entry_id: &ProjectEntryId, cx| {
1733 this.drag_split_direction = None;
1734 this.handle_project_entry_drop(entry_id, cx)
1735 }))
1736 .on_drop(cx.listener(move |this, paths, cx| {
1737 this.drag_split_direction = None;
1738 this.handle_external_paths_drop(paths, cx)
1739 }))
1740 .on_click(cx.listener(move |this, event: &ClickEvent, cx| {
1741 if event.up.click_count == 2 {
1742 cx.dispatch_action(this.double_click_dispatch_action.boxed_clone())
1743 }
1744 })),
1745 )
1746 }
1747
1748 pub fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1749 div().absolute().bottom_0().right_0().size_0().child(
1750 deferred(
1751 anchored()
1752 .anchor(AnchorCorner::TopRight)
1753 .child(menu.clone()),
1754 )
1755 .with_priority(1),
1756 )
1757 }
1758
1759 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1760 self.zoomed = zoomed;
1761 cx.notify();
1762 }
1763
1764 pub fn is_zoomed(&self) -> bool {
1765 self.zoomed
1766 }
1767
1768 fn handle_drag_move<T>(&mut self, event: &DragMoveEvent<T>, cx: &mut ViewContext<Self>) {
1769 if !self.can_split {
1770 return;
1771 }
1772
1773 let rect = event.bounds.size;
1774
1775 let size = event.bounds.size.width.min(event.bounds.size.height)
1776 * WorkspaceSettings::get_global(cx).drop_target_size;
1777
1778 let relative_cursor = Point::new(
1779 event.event.position.x - event.bounds.left(),
1780 event.event.position.y - event.bounds.top(),
1781 );
1782
1783 let direction = if relative_cursor.x < size
1784 || relative_cursor.x > rect.width - size
1785 || relative_cursor.y < size
1786 || relative_cursor.y > rect.height - size
1787 {
1788 [
1789 SplitDirection::Up,
1790 SplitDirection::Right,
1791 SplitDirection::Down,
1792 SplitDirection::Left,
1793 ]
1794 .iter()
1795 .min_by_key(|side| match side {
1796 SplitDirection::Up => relative_cursor.y,
1797 SplitDirection::Right => rect.width - relative_cursor.x,
1798 SplitDirection::Down => rect.height - relative_cursor.y,
1799 SplitDirection::Left => relative_cursor.x,
1800 })
1801 .cloned()
1802 } else {
1803 None
1804 };
1805
1806 if direction != self.drag_split_direction {
1807 self.drag_split_direction = direction;
1808 }
1809 }
1810
1811 fn handle_tab_drop(
1812 &mut self,
1813 dragged_tab: &DraggedTab,
1814 ix: usize,
1815 cx: &mut ViewContext<'_, Self>,
1816 ) {
1817 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1818 if let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, cx) {
1819 return;
1820 }
1821 }
1822 let mut to_pane = cx.view().clone();
1823 let split_direction = self.drag_split_direction;
1824 let item_id = dragged_tab.item.item_id();
1825 if let Some(preview_item_id) = self.preview_item_id {
1826 if item_id == preview_item_id {
1827 self.set_preview_item_id(None, cx);
1828 }
1829 }
1830
1831 let from_pane = dragged_tab.pane.clone();
1832 self.workspace
1833 .update(cx, |_, cx| {
1834 cx.defer(move |workspace, cx| {
1835 if let Some(split_direction) = split_direction {
1836 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1837 }
1838 workspace.move_item(from_pane, to_pane, item_id, ix, cx);
1839 });
1840 })
1841 .log_err();
1842 }
1843
1844 fn handle_project_entry_drop(
1845 &mut self,
1846 project_entry_id: &ProjectEntryId,
1847 cx: &mut ViewContext<'_, Self>,
1848 ) {
1849 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1850 if let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, cx) {
1851 return;
1852 }
1853 }
1854 let mut to_pane = cx.view().clone();
1855 let split_direction = self.drag_split_direction;
1856 let project_entry_id = *project_entry_id;
1857 self.workspace
1858 .update(cx, |_, cx| {
1859 cx.defer(move |workspace, cx| {
1860 if let Some(path) = workspace
1861 .project()
1862 .read(cx)
1863 .path_for_entry(project_entry_id, cx)
1864 {
1865 if let Some(split_direction) = split_direction {
1866 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1867 }
1868 workspace
1869 .open_path(path, Some(to_pane.downgrade()), true, cx)
1870 .detach_and_log_err(cx);
1871 }
1872 });
1873 })
1874 .log_err();
1875 }
1876
1877 fn handle_external_paths_drop(
1878 &mut self,
1879 paths: &ExternalPaths,
1880 cx: &mut ViewContext<'_, Self>,
1881 ) {
1882 if let Some(custom_drop_handle) = self.custom_drop_handle.clone() {
1883 if let ControlFlow::Break(()) = custom_drop_handle(self, paths, cx) {
1884 return;
1885 }
1886 }
1887 let mut to_pane = cx.view().clone();
1888 let mut split_direction = self.drag_split_direction;
1889 let paths = paths.paths().to_vec();
1890 let is_remote = self
1891 .workspace
1892 .update(cx, |workspace, cx| {
1893 if workspace.project().read(cx).is_remote() {
1894 workspace.show_error(
1895 &anyhow::anyhow!("Cannot drop files on a remote project"),
1896 cx,
1897 );
1898 true
1899 } else {
1900 false
1901 }
1902 })
1903 .unwrap_or(true);
1904 if is_remote {
1905 return;
1906 }
1907
1908 self.workspace
1909 .update(cx, |workspace, cx| {
1910 let fs = Arc::clone(workspace.project().read(cx).fs());
1911 cx.spawn(|workspace, mut cx| async move {
1912 let mut is_file_checks = FuturesUnordered::new();
1913 for path in &paths {
1914 is_file_checks.push(fs.is_file(path))
1915 }
1916 let mut has_files_to_open = false;
1917 while let Some(is_file) = is_file_checks.next().await {
1918 if is_file {
1919 has_files_to_open = true;
1920 break;
1921 }
1922 }
1923 drop(is_file_checks);
1924 if !has_files_to_open {
1925 split_direction = None;
1926 }
1927
1928 if let Some(open_task) = workspace
1929 .update(&mut cx, |workspace, cx| {
1930 if let Some(split_direction) = split_direction {
1931 to_pane = workspace.split_pane(to_pane, split_direction, cx);
1932 }
1933 workspace.open_paths(
1934 paths,
1935 OpenVisible::OnlyDirectories,
1936 Some(to_pane.downgrade()),
1937 cx,
1938 )
1939 })
1940 .ok()
1941 {
1942 let _opened_items: Vec<_> = open_task.await;
1943 }
1944 })
1945 .detach();
1946 })
1947 .log_err();
1948 }
1949
1950 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
1951 self.display_nav_history_buttons = display;
1952 }
1953}
1954
1955impl FocusableView for Pane {
1956 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
1957 self.focus_handle.clone()
1958 }
1959}
1960
1961impl Render for Pane {
1962 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1963 let mut key_context = KeyContext::new_with_defaults();
1964 key_context.add("Pane");
1965 if self.active_item().is_none() {
1966 key_context.add("EmptyPane");
1967 }
1968
1969 v_flex()
1970 .key_context(key_context)
1971 .track_focus(&self.focus_handle)
1972 .size_full()
1973 .flex_none()
1974 .overflow_hidden()
1975 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
1976 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
1977 .on_action(
1978 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
1979 )
1980 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
1981 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
1982 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
1983 .on_action(cx.listener(Pane::toggle_zoom))
1984 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
1985 pane.activate_item(action.0, true, true, cx);
1986 }))
1987 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
1988 pane.activate_item(pane.items.len() - 1, true, true, cx);
1989 }))
1990 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
1991 pane.activate_prev_item(true, cx);
1992 }))
1993 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
1994 pane.activate_next_item(true, cx);
1995 }))
1996 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
1997 this.on_action(cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, cx| {
1998 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
1999 if pane.is_active_preview_item(active_item_id) {
2000 pane.set_preview_item_id(None, cx);
2001 } else {
2002 pane.set_preview_item_id(Some(active_item_id), cx);
2003 }
2004 }
2005 }))
2006 })
2007 .on_action(
2008 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2009 if let Some(task) = pane.close_active_item(action, cx) {
2010 task.detach_and_log_err(cx)
2011 }
2012 }),
2013 )
2014 .on_action(
2015 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
2016 if let Some(task) = pane.close_inactive_items(action, cx) {
2017 task.detach_and_log_err(cx)
2018 }
2019 }),
2020 )
2021 .on_action(
2022 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2023 if let Some(task) = pane.close_clean_items(action, cx) {
2024 task.detach_and_log_err(cx)
2025 }
2026 }),
2027 )
2028 .on_action(
2029 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2030 if let Some(task) = pane.close_items_to_the_left(action, cx) {
2031 task.detach_and_log_err(cx)
2032 }
2033 }),
2034 )
2035 .on_action(
2036 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2037 if let Some(task) = pane.close_items_to_the_right(action, cx) {
2038 task.detach_and_log_err(cx)
2039 }
2040 }),
2041 )
2042 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2043 if let Some(task) = pane.close_all_items(action, cx) {
2044 task.detach_and_log_err(cx)
2045 }
2046 }))
2047 .on_action(
2048 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2049 if let Some(task) = pane.close_active_item(action, cx) {
2050 task.detach_and_log_err(cx)
2051 }
2052 }),
2053 )
2054 .on_action(
2055 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, cx| {
2056 let entry_id = action
2057 .entry_id
2058 .map(ProjectEntryId::from_proto)
2059 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
2060 if let Some(entry_id) = entry_id {
2061 pane.project.update(cx, |_, cx| {
2062 cx.emit(project::Event::RevealInProjectPanel(entry_id))
2063 });
2064 }
2065 }),
2066 )
2067 .when(self.active_item().is_some(), |pane| {
2068 pane.child(self.render_tab_bar(cx))
2069 })
2070 .child({
2071 let has_worktrees = self.project.read(cx).worktrees().next().is_some();
2072 // main content
2073 div()
2074 .flex_1()
2075 .relative()
2076 .group("")
2077 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
2078 .on_drag_move::<ProjectEntryId>(cx.listener(Self::handle_drag_move))
2079 .on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
2080 .map(|div| {
2081 if let Some(item) = self.active_item() {
2082 div.v_flex()
2083 .child(self.toolbar.clone())
2084 .child(item.to_any())
2085 } else {
2086 let placeholder = div.h_flex().size_full().justify_center();
2087 if has_worktrees {
2088 placeholder
2089 } else {
2090 placeholder.child(
2091 Label::new("Open a file or project to get started.")
2092 .color(Color::Muted),
2093 )
2094 }
2095 }
2096 })
2097 .child(
2098 // drag target
2099 div()
2100 .invisible()
2101 .absolute()
2102 .bg(cx.theme().colors().drop_target_background)
2103 .group_drag_over::<DraggedTab>("", |style| style.visible())
2104 .group_drag_over::<ProjectEntryId>("", |style| style.visible())
2105 .group_drag_over::<ExternalPaths>("", |style| style.visible())
2106 .when_some(self.can_drop_predicate.clone(), |this, p| {
2107 this.can_drop(move |a, cx| p(a, cx))
2108 })
2109 .on_drop(cx.listener(move |this, dragged_tab, cx| {
2110 this.handle_tab_drop(dragged_tab, this.active_item_index(), cx)
2111 }))
2112 .on_drop(cx.listener(move |this, entry_id, cx| {
2113 this.handle_project_entry_drop(entry_id, cx)
2114 }))
2115 .on_drop(cx.listener(move |this, paths, cx| {
2116 this.handle_external_paths_drop(paths, cx)
2117 }))
2118 .map(|div| {
2119 let size = DefiniteLength::Fraction(0.5);
2120 match self.drag_split_direction {
2121 None => div.top_0().right_0().bottom_0().left_0(),
2122 Some(SplitDirection::Up) => {
2123 div.top_0().left_0().right_0().h(size)
2124 }
2125 Some(SplitDirection::Down) => {
2126 div.left_0().bottom_0().right_0().h(size)
2127 }
2128 Some(SplitDirection::Left) => {
2129 div.top_0().left_0().bottom_0().w(size)
2130 }
2131 Some(SplitDirection::Right) => {
2132 div.top_0().bottom_0().right_0().w(size)
2133 }
2134 }
2135 }),
2136 )
2137 })
2138 .on_mouse_down(
2139 MouseButton::Navigate(NavigationDirection::Back),
2140 cx.listener(|pane, _, cx| {
2141 if let Some(workspace) = pane.workspace.upgrade() {
2142 let pane = cx.view().downgrade();
2143 cx.window_context().defer(move |cx| {
2144 workspace.update(cx, |workspace, cx| {
2145 workspace.go_back(pane, cx).detach_and_log_err(cx)
2146 })
2147 })
2148 }
2149 }),
2150 )
2151 .on_mouse_down(
2152 MouseButton::Navigate(NavigationDirection::Forward),
2153 cx.listener(|pane, _, cx| {
2154 if let Some(workspace) = pane.workspace.upgrade() {
2155 let pane = cx.view().downgrade();
2156 cx.window_context().defer(move |cx| {
2157 workspace.update(cx, |workspace, cx| {
2158 workspace.go_forward(pane, cx).detach_and_log_err(cx)
2159 })
2160 })
2161 }
2162 }),
2163 )
2164 }
2165}
2166
2167impl ItemNavHistory {
2168 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2169 self.history
2170 .push(data, self.item.clone(), self.is_preview, cx);
2171 }
2172
2173 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2174 self.history.pop(NavigationMode::GoingBack, cx)
2175 }
2176
2177 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2178 self.history.pop(NavigationMode::GoingForward, cx)
2179 }
2180}
2181
2182impl NavHistory {
2183 pub fn for_each_entry(
2184 &self,
2185 cx: &AppContext,
2186 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2187 ) {
2188 let borrowed_history = self.0.lock();
2189 borrowed_history
2190 .forward_stack
2191 .iter()
2192 .chain(borrowed_history.backward_stack.iter())
2193 .chain(borrowed_history.closed_stack.iter())
2194 .for_each(|entry| {
2195 if let Some(project_and_abs_path) =
2196 borrowed_history.paths_by_item.get(&entry.item.id())
2197 {
2198 f(entry, project_and_abs_path.clone());
2199 } else if let Some(item) = entry.item.upgrade() {
2200 if let Some(path) = item.project_path(cx) {
2201 f(entry, (path, None));
2202 }
2203 }
2204 })
2205 }
2206
2207 pub fn set_mode(&mut self, mode: NavigationMode) {
2208 self.0.lock().mode = mode;
2209 }
2210
2211 pub fn mode(&self) -> NavigationMode {
2212 self.0.lock().mode
2213 }
2214
2215 pub fn disable(&mut self) {
2216 self.0.lock().mode = NavigationMode::Disabled;
2217 }
2218
2219 pub fn enable(&mut self) {
2220 self.0.lock().mode = NavigationMode::Normal;
2221 }
2222
2223 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2224 let mut state = self.0.lock();
2225 let entry = match mode {
2226 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2227 return None
2228 }
2229 NavigationMode::GoingBack => &mut state.backward_stack,
2230 NavigationMode::GoingForward => &mut state.forward_stack,
2231 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2232 }
2233 .pop_back();
2234 if entry.is_some() {
2235 state.did_update(cx);
2236 }
2237 entry
2238 }
2239
2240 pub fn push<D: 'static + Send + Any>(
2241 &mut self,
2242 data: Option<D>,
2243 item: Arc<dyn WeakItemHandle>,
2244 is_preview: bool,
2245 cx: &mut WindowContext,
2246 ) {
2247 let state = &mut *self.0.lock();
2248 match state.mode {
2249 NavigationMode::Disabled => {}
2250 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2251 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2252 state.backward_stack.pop_front();
2253 }
2254 state.backward_stack.push_back(NavigationEntry {
2255 item,
2256 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2257 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2258 is_preview,
2259 });
2260 state.forward_stack.clear();
2261 }
2262 NavigationMode::GoingBack => {
2263 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2264 state.forward_stack.pop_front();
2265 }
2266 state.forward_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 NavigationMode::GoingForward => {
2274 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2275 state.backward_stack.pop_front();
2276 }
2277 state.backward_stack.push_back(NavigationEntry {
2278 item,
2279 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2280 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2281 is_preview,
2282 });
2283 }
2284 NavigationMode::ClosingItem => {
2285 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2286 state.closed_stack.pop_front();
2287 }
2288 state.closed_stack.push_back(NavigationEntry {
2289 item,
2290 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2291 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2292 is_preview,
2293 });
2294 }
2295 }
2296 state.did_update(cx);
2297 }
2298
2299 pub fn remove_item(&mut self, item_id: EntityId) {
2300 let mut state = self.0.lock();
2301 state.paths_by_item.remove(&item_id);
2302 state
2303 .backward_stack
2304 .retain(|entry| entry.item.id() != item_id);
2305 state
2306 .forward_stack
2307 .retain(|entry| entry.item.id() != item_id);
2308 state
2309 .closed_stack
2310 .retain(|entry| entry.item.id() != item_id);
2311 }
2312
2313 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2314 self.0.lock().paths_by_item.get(&item_id).cloned()
2315 }
2316}
2317
2318impl NavHistoryState {
2319 pub fn did_update(&self, cx: &mut WindowContext) {
2320 if let Some(pane) = self.pane.upgrade() {
2321 cx.defer(move |cx| {
2322 pane.update(cx, |pane, cx| pane.history_updated(cx));
2323 });
2324 }
2325 }
2326}
2327
2328fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2329 let path = buffer_path
2330 .as_ref()
2331 .and_then(|p| {
2332 p.path
2333 .to_str()
2334 .and_then(|s| if s == "" { None } else { Some(s) })
2335 })
2336 .unwrap_or("This buffer");
2337 let path = truncate_and_remove_front(path, 80);
2338 format!("{path} contains unsaved edits. Do you want to save it?")
2339}
2340
2341pub fn tab_details(items: &Vec<Box<dyn ItemHandle>>, cx: &AppContext) -> Vec<usize> {
2342 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
2343 let mut tab_descriptions = HashMap::default();
2344 let mut done = false;
2345 while !done {
2346 done = true;
2347
2348 // Store item indices by their tab description.
2349 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
2350 if let Some(description) = item.tab_description(*detail, cx) {
2351 if *detail == 0
2352 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
2353 {
2354 tab_descriptions
2355 .entry(description)
2356 .or_insert(Vec::new())
2357 .push(ix);
2358 }
2359 }
2360 }
2361
2362 // If two or more items have the same tab description, increase their level
2363 // of detail and try again.
2364 for (_, item_ixs) in tab_descriptions.drain() {
2365 if item_ixs.len() > 1 {
2366 done = false;
2367 for ix in item_ixs {
2368 tab_details[ix] += 1;
2369 }
2370 }
2371 }
2372 }
2373
2374 tab_details
2375}
2376
2377pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &WindowContext) -> Option<Indicator> {
2378 maybe!({
2379 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
2380 (true, _) => Color::Warning,
2381 (_, true) => Color::Accent,
2382 (false, false) => return None,
2383 };
2384
2385 Some(Indicator::dot().color(indicator_color))
2386 })
2387}
2388
2389#[cfg(test)]
2390mod tests {
2391 use super::*;
2392 use crate::item::test::{TestItem, TestProjectItem};
2393 use gpui::{TestAppContext, VisualTestContext};
2394 use project::FakeFs;
2395 use settings::SettingsStore;
2396 use theme::LoadThemes;
2397
2398 #[gpui::test]
2399 async fn test_remove_active_empty(cx: &mut TestAppContext) {
2400 init_test(cx);
2401 let fs = FakeFs::new(cx.executor());
2402
2403 let project = Project::test(fs, None, cx).await;
2404 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2405 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2406
2407 pane.update(cx, |pane, cx| {
2408 assert!(pane
2409 .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2410 .is_none())
2411 });
2412 }
2413
2414 #[gpui::test]
2415 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2416 init_test(cx);
2417 let fs = FakeFs::new(cx.executor());
2418
2419 let project = Project::test(fs, None, cx).await;
2420 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2421 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2422
2423 // 1. Add with a destination index
2424 // a. Add before the active item
2425 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2426 pane.update(cx, |pane, cx| {
2427 pane.add_item(
2428 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2429 false,
2430 false,
2431 Some(0),
2432 cx,
2433 );
2434 });
2435 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2436
2437 // b. Add after the active item
2438 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2439 pane.update(cx, |pane, cx| {
2440 pane.add_item(
2441 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2442 false,
2443 false,
2444 Some(2),
2445 cx,
2446 );
2447 });
2448 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2449
2450 // c. Add at the end of the item list (including off the length)
2451 set_labeled_items(&pane, ["A", "B*", "C"], cx);
2452 pane.update(cx, |pane, cx| {
2453 pane.add_item(
2454 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2455 false,
2456 false,
2457 Some(5),
2458 cx,
2459 );
2460 });
2461 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2462
2463 // 2. Add without a destination index
2464 // a. Add with active item at the start of the item list
2465 set_labeled_items(&pane, ["A*", "B", "C"], cx);
2466 pane.update(cx, |pane, cx| {
2467 pane.add_item(
2468 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2469 false,
2470 false,
2471 None,
2472 cx,
2473 );
2474 });
2475 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2476
2477 // b. Add with active item at the end of the item list
2478 set_labeled_items(&pane, ["A", "B", "C*"], cx);
2479 pane.update(cx, |pane, cx| {
2480 pane.add_item(
2481 Box::new(cx.new_view(|cx| TestItem::new(cx).with_label("D"))),
2482 false,
2483 false,
2484 None,
2485 cx,
2486 );
2487 });
2488 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2489 }
2490
2491 #[gpui::test]
2492 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2493 init_test(cx);
2494 let fs = FakeFs::new(cx.executor());
2495
2496 let project = Project::test(fs, None, cx).await;
2497 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2498 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2499
2500 // 1. Add with a destination index
2501 // 1a. Add before the active item
2502 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2503 pane.update(cx, |pane, cx| {
2504 pane.add_item(d, false, false, Some(0), cx);
2505 });
2506 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2507
2508 // 1b. Add after the active item
2509 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2510 pane.update(cx, |pane, cx| {
2511 pane.add_item(d, false, false, Some(2), cx);
2512 });
2513 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2514
2515 // 1c. Add at the end of the item list (including off the length)
2516 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2517 pane.update(cx, |pane, cx| {
2518 pane.add_item(a, false, false, Some(5), cx);
2519 });
2520 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2521
2522 // 1d. Add same item to active index
2523 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2524 pane.update(cx, |pane, cx| {
2525 pane.add_item(b, false, false, Some(1), cx);
2526 });
2527 assert_item_labels(&pane, ["A", "B*", "C"], cx);
2528
2529 // 1e. Add item to index after same item in last position
2530 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2531 pane.update(cx, |pane, cx| {
2532 pane.add_item(c, false, false, Some(2), cx);
2533 });
2534 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2535
2536 // 2. Add without a destination index
2537 // 2a. Add with active item at the start of the item list
2538 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2539 pane.update(cx, |pane, cx| {
2540 pane.add_item(d, false, false, None, cx);
2541 });
2542 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2543
2544 // 2b. Add with active item at the end of the item list
2545 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2546 pane.update(cx, |pane, cx| {
2547 pane.add_item(a, false, false, None, cx);
2548 });
2549 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2550
2551 // 2c. Add active item to active item at end of list
2552 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2553 pane.update(cx, |pane, cx| {
2554 pane.add_item(c, false, false, None, cx);
2555 });
2556 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2557
2558 // 2d. Add active item to active item at start of list
2559 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2560 pane.update(cx, |pane, cx| {
2561 pane.add_item(a, false, false, None, cx);
2562 });
2563 assert_item_labels(&pane, ["A*", "B", "C"], cx);
2564 }
2565
2566 #[gpui::test]
2567 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2568 init_test(cx);
2569 let fs = FakeFs::new(cx.executor());
2570
2571 let project = Project::test(fs, None, cx).await;
2572 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2573 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2574
2575 // singleton view
2576 pane.update(cx, |pane, cx| {
2577 pane.add_item(
2578 Box::new(cx.new_view(|cx| {
2579 TestItem::new(cx)
2580 .with_singleton(true)
2581 .with_label("buffer 1")
2582 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
2583 })),
2584 false,
2585 false,
2586 None,
2587 cx,
2588 );
2589 });
2590 assert_item_labels(&pane, ["buffer 1*"], cx);
2591
2592 // new singleton view with the same project entry
2593 pane.update(cx, |pane, cx| {
2594 pane.add_item(
2595 Box::new(cx.new_view(|cx| {
2596 TestItem::new(cx)
2597 .with_singleton(true)
2598 .with_label("buffer 1")
2599 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2600 })),
2601 false,
2602 false,
2603 None,
2604 cx,
2605 );
2606 });
2607 assert_item_labels(&pane, ["buffer 1*"], cx);
2608
2609 // new singleton view with different project entry
2610 pane.update(cx, |pane, cx| {
2611 pane.add_item(
2612 Box::new(cx.new_view(|cx| {
2613 TestItem::new(cx)
2614 .with_singleton(true)
2615 .with_label("buffer 2")
2616 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
2617 })),
2618 false,
2619 false,
2620 None,
2621 cx,
2622 );
2623 });
2624 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2625
2626 // new multibuffer view with the same project entry
2627 pane.update(cx, |pane, cx| {
2628 pane.add_item(
2629 Box::new(cx.new_view(|cx| {
2630 TestItem::new(cx)
2631 .with_singleton(false)
2632 .with_label("multibuffer 1")
2633 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2634 })),
2635 false,
2636 false,
2637 None,
2638 cx,
2639 );
2640 });
2641 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2642
2643 // another multibuffer view with the same project entry
2644 pane.update(cx, |pane, cx| {
2645 pane.add_item(
2646 Box::new(cx.new_view(|cx| {
2647 TestItem::new(cx)
2648 .with_singleton(false)
2649 .with_label("multibuffer 1b")
2650 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
2651 })),
2652 false,
2653 false,
2654 None,
2655 cx,
2656 );
2657 });
2658 assert_item_labels(
2659 &pane,
2660 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2661 cx,
2662 );
2663 }
2664
2665 #[gpui::test]
2666 async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2667 init_test(cx);
2668 let fs = FakeFs::new(cx.executor());
2669
2670 let project = Project::test(fs, None, cx).await;
2671 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2672 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2673
2674 add_labeled_item(&pane, "A", false, cx);
2675 add_labeled_item(&pane, "B", false, cx);
2676 add_labeled_item(&pane, "C", false, cx);
2677 add_labeled_item(&pane, "D", false, cx);
2678 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2679
2680 pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2681 add_labeled_item(&pane, "1", false, cx);
2682 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2683
2684 pane.update(cx, |pane, cx| {
2685 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2686 })
2687 .unwrap()
2688 .await
2689 .unwrap();
2690 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2691
2692 pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2693 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2694
2695 pane.update(cx, |pane, cx| {
2696 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2697 })
2698 .unwrap()
2699 .await
2700 .unwrap();
2701 assert_item_labels(&pane, ["A", "B*", "C"], cx);
2702
2703 pane.update(cx, |pane, cx| {
2704 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2705 })
2706 .unwrap()
2707 .await
2708 .unwrap();
2709 assert_item_labels(&pane, ["A", "C*"], cx);
2710
2711 pane.update(cx, |pane, cx| {
2712 pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2713 })
2714 .unwrap()
2715 .await
2716 .unwrap();
2717 assert_item_labels(&pane, ["A*"], cx);
2718 }
2719
2720 #[gpui::test]
2721 async fn test_close_inactive_items(cx: &mut TestAppContext) {
2722 init_test(cx);
2723 let fs = FakeFs::new(cx.executor());
2724
2725 let project = Project::test(fs, None, cx).await;
2726 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2727 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2728
2729 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2730
2731 pane.update(cx, |pane, cx| {
2732 pane.close_inactive_items(&CloseInactiveItems { save_intent: None }, cx)
2733 })
2734 .unwrap()
2735 .await
2736 .unwrap();
2737 assert_item_labels(&pane, ["C*"], cx);
2738 }
2739
2740 #[gpui::test]
2741 async fn test_close_clean_items(cx: &mut TestAppContext) {
2742 init_test(cx);
2743 let fs = FakeFs::new(cx.executor());
2744
2745 let project = Project::test(fs, None, cx).await;
2746 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2747 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2748
2749 add_labeled_item(&pane, "A", true, cx);
2750 add_labeled_item(&pane, "B", false, cx);
2751 add_labeled_item(&pane, "C", true, cx);
2752 add_labeled_item(&pane, "D", false, cx);
2753 add_labeled_item(&pane, "E", false, cx);
2754 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
2755
2756 pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
2757 .unwrap()
2758 .await
2759 .unwrap();
2760 assert_item_labels(&pane, ["A^", "C*^"], cx);
2761 }
2762
2763 #[gpui::test]
2764 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
2765 init_test(cx);
2766 let fs = FakeFs::new(cx.executor());
2767
2768 let project = Project::test(fs, None, cx).await;
2769 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2770 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2771
2772 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2773
2774 pane.update(cx, |pane, cx| {
2775 pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
2776 })
2777 .unwrap()
2778 .await
2779 .unwrap();
2780 assert_item_labels(&pane, ["C*", "D", "E"], cx);
2781 }
2782
2783 #[gpui::test]
2784 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
2785 init_test(cx);
2786 let fs = FakeFs::new(cx.executor());
2787
2788 let project = Project::test(fs, None, cx).await;
2789 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2790 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2791
2792 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2793
2794 pane.update(cx, |pane, cx| {
2795 pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
2796 })
2797 .unwrap()
2798 .await
2799 .unwrap();
2800 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2801 }
2802
2803 #[gpui::test]
2804 async fn test_close_all_items(cx: &mut TestAppContext) {
2805 init_test(cx);
2806 let fs = FakeFs::new(cx.executor());
2807
2808 let project = Project::test(fs, None, cx).await;
2809 let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));
2810 let pane = workspace.update(cx, |workspace, _| workspace.active_pane().clone());
2811
2812 add_labeled_item(&pane, "A", false, cx);
2813 add_labeled_item(&pane, "B", false, cx);
2814 add_labeled_item(&pane, "C", false, cx);
2815 assert_item_labels(&pane, ["A", "B", "C*"], cx);
2816
2817 pane.update(cx, |pane, cx| {
2818 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2819 })
2820 .unwrap()
2821 .await
2822 .unwrap();
2823 assert_item_labels(&pane, [], cx);
2824
2825 add_labeled_item(&pane, "A", true, cx);
2826 add_labeled_item(&pane, "B", true, cx);
2827 add_labeled_item(&pane, "C", true, cx);
2828 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
2829
2830 let save = pane
2831 .update(cx, |pane, cx| {
2832 pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2833 })
2834 .unwrap();
2835
2836 cx.executor().run_until_parked();
2837 cx.simulate_prompt_answer(2);
2838 save.await.unwrap();
2839 assert_item_labels(&pane, [], cx);
2840 }
2841
2842 fn init_test(cx: &mut TestAppContext) {
2843 cx.update(|cx| {
2844 let settings_store = SettingsStore::test(cx);
2845 cx.set_global(settings_store);
2846 theme::init(LoadThemes::JustBase, cx);
2847 crate::init_settings(cx);
2848 Project::init_settings(cx);
2849 });
2850 }
2851
2852 fn add_labeled_item(
2853 pane: &View<Pane>,
2854 label: &str,
2855 is_dirty: bool,
2856 cx: &mut VisualTestContext,
2857 ) -> Box<View<TestItem>> {
2858 pane.update(cx, |pane, cx| {
2859 let labeled_item = Box::new(
2860 cx.new_view(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)),
2861 );
2862 pane.add_item(labeled_item.clone(), false, false, None, cx);
2863 labeled_item
2864 })
2865 }
2866
2867 fn set_labeled_items<const COUNT: usize>(
2868 pane: &View<Pane>,
2869 labels: [&str; COUNT],
2870 cx: &mut VisualTestContext,
2871 ) -> [Box<View<TestItem>>; COUNT] {
2872 pane.update(cx, |pane, cx| {
2873 pane.items.clear();
2874 let mut active_item_index = 0;
2875
2876 let mut index = 0;
2877 let items = labels.map(|mut label| {
2878 if label.ends_with('*') {
2879 label = label.trim_end_matches('*');
2880 active_item_index = index;
2881 }
2882
2883 let labeled_item = Box::new(cx.new_view(|cx| TestItem::new(cx).with_label(label)));
2884 pane.add_item(labeled_item.clone(), false, false, None, cx);
2885 index += 1;
2886 labeled_item
2887 });
2888
2889 pane.activate_item(active_item_index, false, false, cx);
2890
2891 items
2892 })
2893 }
2894
2895 // Assert the item label, with the active item label suffixed with a '*'
2896 fn assert_item_labels<const COUNT: usize>(
2897 pane: &View<Pane>,
2898 expected_states: [&str; COUNT],
2899 cx: &mut VisualTestContext,
2900 ) {
2901 pane.update(cx, |pane, cx| {
2902 let actual_states = pane
2903 .items
2904 .iter()
2905 .enumerate()
2906 .map(|(ix, item)| {
2907 let mut state = item
2908 .to_any()
2909 .downcast::<TestItem>()
2910 .unwrap()
2911 .read(cx)
2912 .label
2913 .clone();
2914 if ix == pane.active_item_index {
2915 state.push('*');
2916 }
2917 if item.is_dirty(cx) {
2918 state.push('^');
2919 }
2920 state
2921 })
2922 .collect::<Vec<_>>();
2923
2924 assert_eq!(
2925 actual_states, expected_states,
2926 "pane items do not match expectation"
2927 );
2928 })
2929 }
2930}
2931
2932impl Render for DraggedTab {
2933 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2934 let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2935 let label = self.item.tab_content(
2936 TabContentParams {
2937 detail: Some(self.detail),
2938 selected: false,
2939 preview: false,
2940 },
2941 cx,
2942 );
2943 Tab::new("")
2944 .selected(self.is_active)
2945 .child(label)
2946 .render(cx)
2947 .font_family(ui_font)
2948 }
2949}