1/// NOTE: Focus only 'takes' after an update has flushed_effects.
2///
3/// This may cause issues when you're trying to write tests that use workspace focus to add items at
4/// specific locations.
5pub mod dock;
6pub mod pane;
7pub mod pane_group;
8pub mod searchable;
9pub mod sidebar;
10mod status_bar;
11mod toolbar;
12
13use anyhow::{anyhow, Context, Result};
14use call::ActiveCall;
15use client::{proto, Client, PeerId, TypedEnvelope, UserStore};
16use collections::{hash_map, HashMap, HashSet};
17use dock::{DefaultItemFactory, Dock, ToggleDockButton};
18use drag_and_drop::DragAndDrop;
19use futures::{channel::oneshot, FutureExt, StreamExt};
20use gpui::{
21 actions,
22 elements::*,
23 impl_actions, impl_internal_actions,
24 platform::{CursorStyle, WindowOptions},
25 AnyModelHandle, AnyViewHandle, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle,
26 MouseButton, MutableAppContext, PathPromptOptions, PromptLevel, RenderContext, Task, View,
27 ViewContext, ViewHandle, WeakViewHandle,
28};
29use language::LanguageRegistry;
30use log::{error, warn};
31pub use pane::*;
32pub use pane_group::*;
33use postage::prelude::Stream;
34use project::{fs, Fs, Project, ProjectEntryId, ProjectPath, ProjectStore, Worktree, WorktreeId};
35use searchable::SearchableItemHandle;
36use serde::Deserialize;
37use settings::{Autosave, DockAnchor, Settings};
38use sidebar::{Sidebar, SidebarButtons, SidebarSide, ToggleSidebarItem};
39use smallvec::SmallVec;
40use status_bar::StatusBar;
41pub use status_bar::StatusItemView;
42use std::{
43 any::{Any, TypeId},
44 borrow::Cow,
45 cell::RefCell,
46 fmt,
47 future::Future,
48 path::{Path, PathBuf},
49 rc::Rc,
50 sync::{
51 atomic::{AtomicBool, Ordering::SeqCst},
52 Arc,
53 },
54 time::Duration,
55};
56use theme::{Theme, ThemeRegistry};
57pub use toolbar::{ToolbarItemLocation, ToolbarItemView};
58use util::ResultExt;
59
60type ProjectItemBuilders = HashMap<
61 TypeId,
62 fn(ModelHandle<Project>, AnyModelHandle, &mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
63>;
64
65type FollowableItemBuilder = fn(
66 ViewHandle<Pane>,
67 ModelHandle<Project>,
68 &mut Option<proto::view::Variant>,
69 &mut MutableAppContext,
70) -> Option<Task<Result<Box<dyn FollowableItemHandle>>>>;
71type FollowableItemBuilders = HashMap<
72 TypeId,
73 (
74 FollowableItemBuilder,
75 fn(AnyViewHandle) -> Box<dyn FollowableItemHandle>,
76 ),
77>;
78
79#[derive(Clone, PartialEq)]
80pub struct RemoveWorktreeFromProject(pub WorktreeId);
81
82actions!(
83 workspace,
84 [
85 Open,
86 NewFile,
87 NewWindow,
88 CloseWindow,
89 AddFolderToProject,
90 Unfollow,
91 Save,
92 SaveAs,
93 SaveAll,
94 ActivatePreviousPane,
95 ActivateNextPane,
96 FollowNextCollaborator,
97 ToggleLeftSidebar,
98 ToggleRightSidebar,
99 NewTerminal,
100 NewSearch
101 ]
102);
103
104#[derive(Clone, PartialEq)]
105pub struct OpenPaths {
106 pub paths: Vec<PathBuf>,
107}
108
109#[derive(Clone, Deserialize, PartialEq)]
110pub struct ActivatePane(pub usize);
111
112#[derive(Clone, PartialEq)]
113pub struct ToggleFollow(pub PeerId);
114
115#[derive(Clone, PartialEq)]
116pub struct JoinProject {
117 pub project_id: u64,
118 pub follow_user_id: u64,
119}
120
121impl_internal_actions!(
122 workspace,
123 [
124 OpenPaths,
125 ToggleFollow,
126 JoinProject,
127 RemoveWorktreeFromProject
128 ]
129);
130impl_actions!(workspace, [ActivatePane]);
131
132pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
133 pane::init(cx);
134 dock::init(cx);
135
136 cx.add_global_action(open);
137 cx.add_global_action({
138 let app_state = Arc::downgrade(&app_state);
139 move |action: &OpenPaths, cx: &mut MutableAppContext| {
140 if let Some(app_state) = app_state.upgrade() {
141 open_paths(&action.paths, &app_state, cx).detach();
142 }
143 }
144 });
145 cx.add_global_action({
146 let app_state = Arc::downgrade(&app_state);
147 move |_: &NewFile, cx: &mut MutableAppContext| {
148 if let Some(app_state) = app_state.upgrade() {
149 open_new(&app_state, cx)
150 }
151 }
152 });
153 cx.add_global_action({
154 let app_state = Arc::downgrade(&app_state);
155 move |_: &NewWindow, cx: &mut MutableAppContext| {
156 if let Some(app_state) = app_state.upgrade() {
157 open_new(&app_state, cx)
158 }
159 }
160 });
161
162 cx.add_async_action(Workspace::toggle_follow);
163 cx.add_async_action(Workspace::follow_next_collaborator);
164 cx.add_async_action(Workspace::close);
165 cx.add_async_action(Workspace::save_all);
166 cx.add_action(Workspace::add_folder_to_project);
167 cx.add_action(Workspace::remove_folder_from_project);
168 cx.add_action(
169 |workspace: &mut Workspace, _: &Unfollow, cx: &mut ViewContext<Workspace>| {
170 let pane = workspace.active_pane().clone();
171 workspace.unfollow(&pane, cx);
172 },
173 );
174 cx.add_action(
175 |workspace: &mut Workspace, _: &Save, cx: &mut ViewContext<Workspace>| {
176 workspace.save_active_item(false, cx).detach_and_log_err(cx);
177 },
178 );
179 cx.add_action(
180 |workspace: &mut Workspace, _: &SaveAs, cx: &mut ViewContext<Workspace>| {
181 workspace.save_active_item(true, cx).detach_and_log_err(cx);
182 },
183 );
184 cx.add_action(Workspace::toggle_sidebar_item);
185 cx.add_action(Workspace::focus_center);
186 cx.add_action(|workspace: &mut Workspace, _: &ActivatePreviousPane, cx| {
187 workspace.activate_previous_pane(cx)
188 });
189 cx.add_action(|workspace: &mut Workspace, _: &ActivateNextPane, cx| {
190 workspace.activate_next_pane(cx)
191 });
192 cx.add_action(|workspace: &mut Workspace, _: &ToggleLeftSidebar, cx| {
193 workspace.toggle_sidebar(SidebarSide::Left, cx);
194 });
195 cx.add_action(|workspace: &mut Workspace, _: &ToggleRightSidebar, cx| {
196 workspace.toggle_sidebar(SidebarSide::Right, cx);
197 });
198 cx.add_action(Workspace::activate_pane_at_index);
199
200 let client = &app_state.client;
201 client.add_view_request_handler(Workspace::handle_follow);
202 client.add_view_message_handler(Workspace::handle_unfollow);
203 client.add_view_message_handler(Workspace::handle_update_followers);
204}
205
206pub fn register_project_item<I: ProjectItem>(cx: &mut MutableAppContext) {
207 cx.update_default_global(|builders: &mut ProjectItemBuilders, _| {
208 builders.insert(TypeId::of::<I::Item>(), |project, model, cx| {
209 let item = model.downcast::<I::Item>().unwrap();
210 Box::new(cx.add_view(|cx| I::for_project_item(project, item, cx)))
211 });
212 });
213}
214
215pub fn register_followable_item<I: FollowableItem>(cx: &mut MutableAppContext) {
216 cx.update_default_global(|builders: &mut FollowableItemBuilders, _| {
217 builders.insert(
218 TypeId::of::<I>(),
219 (
220 |pane, project, state, cx| {
221 I::from_state_proto(pane, project, state, cx).map(|task| {
222 cx.foreground()
223 .spawn(async move { Ok(Box::new(task.await?) as Box<_>) })
224 })
225 },
226 |this| Box::new(this.downcast::<I>().unwrap()),
227 ),
228 );
229 });
230}
231
232pub struct AppState {
233 pub languages: Arc<LanguageRegistry>,
234 pub themes: Arc<ThemeRegistry>,
235 pub client: Arc<client::Client>,
236 pub user_store: ModelHandle<client::UserStore>,
237 pub project_store: ModelHandle<ProjectStore>,
238 pub fs: Arc<dyn fs::Fs>,
239 pub build_window_options: fn() -> WindowOptions<'static>,
240 pub initialize_workspace: fn(&mut Workspace, &Arc<AppState>, &mut ViewContext<Workspace>),
241 pub default_item_factory: DefaultItemFactory,
242}
243
244#[derive(Eq, PartialEq, Hash)]
245pub enum ItemEvent {
246 CloseItem,
247 UpdateTab,
248 UpdateBreadcrumbs,
249 Edit,
250}
251
252pub trait Item: View {
253 fn deactivated(&mut self, _: &mut ViewContext<Self>) {}
254 fn workspace_deactivated(&mut self, _: &mut ViewContext<Self>) {}
255 fn navigate(&mut self, _: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
256 false
257 }
258 fn tab_description<'a>(&'a self, _: usize, _: &'a AppContext) -> Option<Cow<'a, str>> {
259 None
260 }
261 fn tab_content(&self, detail: Option<usize>, style: &theme::Tab, cx: &AppContext)
262 -> ElementBox;
263 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
264 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
265 fn is_singleton(&self, cx: &AppContext) -> bool;
266 fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>);
267 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
268 where
269 Self: Sized,
270 {
271 None
272 }
273 fn is_dirty(&self, _: &AppContext) -> bool {
274 false
275 }
276 fn has_conflict(&self, _: &AppContext) -> bool {
277 false
278 }
279 fn can_save(&self, cx: &AppContext) -> bool;
280 fn save(
281 &mut self,
282 project: ModelHandle<Project>,
283 cx: &mut ViewContext<Self>,
284 ) -> Task<Result<()>>;
285 fn save_as(
286 &mut self,
287 project: ModelHandle<Project>,
288 abs_path: PathBuf,
289 cx: &mut ViewContext<Self>,
290 ) -> Task<Result<()>>;
291 fn reload(
292 &mut self,
293 project: ModelHandle<Project>,
294 cx: &mut ViewContext<Self>,
295 ) -> Task<Result<()>>;
296 fn git_diff_recalc(
297 &mut self,
298 _project: ModelHandle<Project>,
299 _cx: &mut ViewContext<Self>,
300 ) -> Task<Result<()>> {
301 Task::ready(Ok(()))
302 }
303 fn to_item_events(event: &Self::Event) -> Vec<ItemEvent>;
304 fn should_close_item_on_event(_: &Self::Event) -> bool {
305 false
306 }
307 fn should_update_tab_on_event(_: &Self::Event) -> bool {
308 false
309 }
310 fn is_edit_event(_: &Self::Event) -> bool {
311 false
312 }
313 fn act_as_type(
314 &self,
315 type_id: TypeId,
316 self_handle: &ViewHandle<Self>,
317 _: &AppContext,
318 ) -> Option<AnyViewHandle> {
319 if TypeId::of::<Self>() == type_id {
320 Some(self_handle.into())
321 } else {
322 None
323 }
324 }
325 fn as_searchable(&self, _: &ViewHandle<Self>) -> Option<Box<dyn SearchableItemHandle>> {
326 None
327 }
328
329 fn breadcrumb_location(&self) -> ToolbarItemLocation {
330 ToolbarItemLocation::Hidden
331 }
332 fn breadcrumbs(&self, _theme: &Theme, _cx: &AppContext) -> Option<Vec<ElementBox>> {
333 None
334 }
335}
336
337pub trait ProjectItem: Item {
338 type Item: project::Item;
339
340 fn for_project_item(
341 project: ModelHandle<Project>,
342 item: ModelHandle<Self::Item>,
343 cx: &mut ViewContext<Self>,
344 ) -> Self;
345}
346
347pub trait FollowableItem: Item {
348 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
349 fn from_state_proto(
350 pane: ViewHandle<Pane>,
351 project: ModelHandle<Project>,
352 state: &mut Option<proto::view::Variant>,
353 cx: &mut MutableAppContext,
354 ) -> Option<Task<Result<ViewHandle<Self>>>>;
355 fn add_event_to_update_proto(
356 &self,
357 event: &Self::Event,
358 update: &mut Option<proto::update_view::Variant>,
359 cx: &AppContext,
360 ) -> bool;
361 fn apply_update_proto(
362 &mut self,
363 message: proto::update_view::Variant,
364 cx: &mut ViewContext<Self>,
365 ) -> Result<()>;
366
367 fn set_leader_replica_id(&mut self, leader_replica_id: Option<u16>, cx: &mut ViewContext<Self>);
368 fn should_unfollow_on_event(event: &Self::Event, cx: &AppContext) -> bool;
369}
370
371pub trait FollowableItemHandle: ItemHandle {
372 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext);
373 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
374 fn add_event_to_update_proto(
375 &self,
376 event: &dyn Any,
377 update: &mut Option<proto::update_view::Variant>,
378 cx: &AppContext,
379 ) -> bool;
380 fn apply_update_proto(
381 &self,
382 message: proto::update_view::Variant,
383 cx: &mut MutableAppContext,
384 ) -> Result<()>;
385 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool;
386}
387
388impl<T: FollowableItem> FollowableItemHandle for ViewHandle<T> {
389 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext) {
390 self.update(cx, |this, cx| {
391 this.set_leader_replica_id(leader_replica_id, cx)
392 })
393 }
394
395 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant> {
396 self.read(cx).to_state_proto(cx)
397 }
398
399 fn add_event_to_update_proto(
400 &self,
401 event: &dyn Any,
402 update: &mut Option<proto::update_view::Variant>,
403 cx: &AppContext,
404 ) -> bool {
405 if let Some(event) = event.downcast_ref() {
406 self.read(cx).add_event_to_update_proto(event, update, cx)
407 } else {
408 false
409 }
410 }
411
412 fn apply_update_proto(
413 &self,
414 message: proto::update_view::Variant,
415 cx: &mut MutableAppContext,
416 ) -> Result<()> {
417 self.update(cx, |this, cx| this.apply_update_proto(message, cx))
418 }
419
420 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool {
421 if let Some(event) = event.downcast_ref() {
422 T::should_unfollow_on_event(event, cx)
423 } else {
424 false
425 }
426 }
427}
428
429struct DelayedDebouncedEditAction {
430 task: Option<Task<()>>,
431 cancel_channel: Option<oneshot::Sender<()>>,
432}
433
434impl DelayedDebouncedEditAction {
435 fn new() -> DelayedDebouncedEditAction {
436 DelayedDebouncedEditAction {
437 task: None,
438 cancel_channel: None,
439 }
440 }
441
442 fn fire_new<F, Fut>(
443 &mut self,
444 delay: Duration,
445 workspace: &Workspace,
446 cx: &mut ViewContext<Workspace>,
447 f: F,
448 ) where
449 F: FnOnce(ModelHandle<Project>, AsyncAppContext) -> Fut + 'static,
450 Fut: 'static + Future<Output = ()>,
451 {
452 if let Some(channel) = self.cancel_channel.take() {
453 _ = channel.send(());
454 }
455
456 let project = workspace.project().downgrade();
457
458 let (sender, mut receiver) = oneshot::channel::<()>();
459 self.cancel_channel = Some(sender);
460
461 let previous_task = self.task.take();
462 self.task = Some(cx.spawn_weak(|_, cx| async move {
463 let mut timer = cx.background().timer(delay).fuse();
464 if let Some(previous_task) = previous_task {
465 previous_task.await;
466 }
467
468 futures::select_biased! {
469 _ = receiver => return,
470 _ = timer => {}
471 }
472
473 if let Some(project) = project.upgrade(&cx) {
474 (f)(project, cx).await;
475 }
476 }));
477 }
478}
479
480pub trait ItemHandle: 'static + fmt::Debug {
481 fn subscribe_to_item_events(
482 &self,
483 cx: &mut MutableAppContext,
484 handler: Box<dyn Fn(ItemEvent, &mut MutableAppContext)>,
485 ) -> gpui::Subscription;
486 fn tab_description<'a>(&self, detail: usize, cx: &'a AppContext) -> Option<Cow<'a, str>>;
487 fn tab_content(&self, detail: Option<usize>, style: &theme::Tab, cx: &AppContext)
488 -> ElementBox;
489 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
490 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
491 fn is_singleton(&self, cx: &AppContext) -> bool;
492 fn boxed_clone(&self) -> Box<dyn ItemHandle>;
493 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>>;
494 fn added_to_pane(
495 &self,
496 workspace: &mut Workspace,
497 pane: ViewHandle<Pane>,
498 cx: &mut ViewContext<Workspace>,
499 );
500 fn deactivated(&self, cx: &mut MutableAppContext);
501 fn workspace_deactivated(&self, cx: &mut MutableAppContext);
502 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool;
503 fn id(&self) -> usize;
504 fn window_id(&self) -> usize;
505 fn to_any(&self) -> AnyViewHandle;
506 fn is_dirty(&self, cx: &AppContext) -> bool;
507 fn has_conflict(&self, cx: &AppContext) -> bool;
508 fn can_save(&self, cx: &AppContext) -> bool;
509 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>>;
510 fn save_as(
511 &self,
512 project: ModelHandle<Project>,
513 abs_path: PathBuf,
514 cx: &mut MutableAppContext,
515 ) -> Task<Result<()>>;
516 fn reload(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext)
517 -> Task<Result<()>>;
518 fn git_diff_recalc(
519 &self,
520 project: ModelHandle<Project>,
521 cx: &mut MutableAppContext,
522 ) -> Task<Result<()>>;
523 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle>;
524 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>>;
525 fn on_release(
526 &self,
527 cx: &mut MutableAppContext,
528 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
529 ) -> gpui::Subscription;
530 fn to_searchable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn SearchableItemHandle>>;
531 fn breadcrumb_location(&self, cx: &AppContext) -> ToolbarItemLocation;
532 fn breadcrumbs(&self, theme: &Theme, cx: &AppContext) -> Option<Vec<ElementBox>>;
533}
534
535pub trait WeakItemHandle {
536 fn id(&self) -> usize;
537 fn window_id(&self) -> usize;
538 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>>;
539}
540
541impl dyn ItemHandle {
542 pub fn downcast<T: View>(&self) -> Option<ViewHandle<T>> {
543 self.to_any().downcast()
544 }
545
546 pub fn act_as<T: View>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
547 self.act_as_type(TypeId::of::<T>(), cx)
548 .and_then(|t| t.downcast())
549 }
550}
551
552impl<T: Item> ItemHandle for ViewHandle<T> {
553 fn subscribe_to_item_events(
554 &self,
555 cx: &mut MutableAppContext,
556 handler: Box<dyn Fn(ItemEvent, &mut MutableAppContext)>,
557 ) -> gpui::Subscription {
558 cx.subscribe(self, move |_, event, cx| {
559 for item_event in T::to_item_events(event) {
560 handler(item_event, cx)
561 }
562 })
563 }
564
565 fn tab_description<'a>(&self, detail: usize, cx: &'a AppContext) -> Option<Cow<'a, str>> {
566 self.read(cx).tab_description(detail, cx)
567 }
568
569 fn tab_content(
570 &self,
571 detail: Option<usize>,
572 style: &theme::Tab,
573 cx: &AppContext,
574 ) -> ElementBox {
575 self.read(cx).tab_content(detail, style, cx)
576 }
577
578 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
579 self.read(cx).project_path(cx)
580 }
581
582 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
583 self.read(cx).project_entry_ids(cx)
584 }
585
586 fn is_singleton(&self, cx: &AppContext) -> bool {
587 self.read(cx).is_singleton(cx)
588 }
589
590 fn boxed_clone(&self) -> Box<dyn ItemHandle> {
591 Box::new(self.clone())
592 }
593
594 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>> {
595 self.update(cx, |item, cx| {
596 cx.add_option_view(|cx| item.clone_on_split(cx))
597 })
598 .map(|handle| Box::new(handle) as Box<dyn ItemHandle>)
599 }
600
601 fn added_to_pane(
602 &self,
603 workspace: &mut Workspace,
604 pane: ViewHandle<Pane>,
605 cx: &mut ViewContext<Workspace>,
606 ) {
607 let history = pane.read(cx).nav_history_for_item(self);
608 self.update(cx, |this, cx| this.set_nav_history(history, cx));
609
610 if let Some(followed_item) = self.to_followable_item_handle(cx) {
611 if let Some(message) = followed_item.to_state_proto(cx) {
612 workspace.update_followers(
613 proto::update_followers::Variant::CreateView(proto::View {
614 id: followed_item.id() as u64,
615 variant: Some(message),
616 leader_id: workspace.leader_for_pane(&pane).map(|id| id.0),
617 }),
618 cx,
619 );
620 }
621 }
622
623 if workspace
624 .panes_by_item
625 .insert(self.id(), pane.downgrade())
626 .is_none()
627 {
628 let mut pending_autosave = DelayedDebouncedEditAction::new();
629 let mut pending_git_update = DelayedDebouncedEditAction::new();
630 let pending_update = Rc::new(RefCell::new(None));
631 let pending_update_scheduled = Rc::new(AtomicBool::new(false));
632
633 let mut event_subscription =
634 Some(cx.subscribe(self, move |workspace, item, event, cx| {
635 let pane = if let Some(pane) = workspace
636 .panes_by_item
637 .get(&item.id())
638 .and_then(|pane| pane.upgrade(cx))
639 {
640 pane
641 } else {
642 log::error!("unexpected item event after pane was dropped");
643 return;
644 };
645
646 if let Some(item) = item.to_followable_item_handle(cx) {
647 let leader_id = workspace.leader_for_pane(&pane);
648
649 if leader_id.is_some() && item.should_unfollow_on_event(event, cx) {
650 workspace.unfollow(&pane, cx);
651 }
652
653 if item.add_event_to_update_proto(
654 event,
655 &mut *pending_update.borrow_mut(),
656 cx,
657 ) && !pending_update_scheduled.load(SeqCst)
658 {
659 pending_update_scheduled.store(true, SeqCst);
660 cx.after_window_update({
661 let pending_update = pending_update.clone();
662 let pending_update_scheduled = pending_update_scheduled.clone();
663 move |this, cx| {
664 pending_update_scheduled.store(false, SeqCst);
665 this.update_followers(
666 proto::update_followers::Variant::UpdateView(
667 proto::UpdateView {
668 id: item.id() as u64,
669 variant: pending_update.borrow_mut().take(),
670 leader_id: leader_id.map(|id| id.0),
671 },
672 ),
673 cx,
674 );
675 }
676 });
677 }
678 }
679
680 for item_event in T::to_item_events(event).into_iter() {
681 match item_event {
682 ItemEvent::CloseItem => {
683 Pane::close_item(workspace, pane, item.id(), cx)
684 .detach_and_log_err(cx);
685 return;
686 }
687
688 ItemEvent::UpdateTab => {
689 pane.update(cx, |_, cx| {
690 cx.emit(pane::Event::ChangeItemTitle);
691 cx.notify();
692 });
693 }
694
695 ItemEvent::Edit => {
696 if let Autosave::AfterDelay { milliseconds } =
697 cx.global::<Settings>().autosave
698 {
699 let delay = Duration::from_millis(milliseconds);
700 let item = item.clone();
701 pending_autosave.fire_new(
702 delay,
703 workspace,
704 cx,
705 |project, mut cx| async move {
706 cx.update(|cx| Pane::autosave_item(&item, project, cx))
707 .await
708 .log_err();
709 },
710 );
711 }
712
713 let settings = cx.global::<Settings>();
714 let debounce_delay = settings.git_overrides.gutter_debounce;
715
716 let item = item.clone();
717
718 if let Some(delay) = debounce_delay {
719 const MIN_GIT_DELAY: u64 = 50;
720
721 let delay = delay.max(MIN_GIT_DELAY);
722 let duration = Duration::from_millis(delay);
723
724 pending_git_update.fire_new(
725 duration,
726 workspace,
727 cx,
728 |project, mut cx| async move {
729 cx.update(|cx| item.git_diff_recalc(project, cx))
730 .await
731 .log_err();
732 },
733 );
734 } else {
735 let project = workspace.project().downgrade();
736 cx.spawn_weak(|_, mut cx| async move {
737 if let Some(project) = project.upgrade(&cx) {
738 cx.update(|cx| item.git_diff_recalc(project, cx))
739 .await
740 .log_err();
741 }
742 })
743 .detach();
744 }
745 }
746
747 _ => {}
748 }
749 }
750 }));
751
752 cx.observe_focus(self, move |workspace, item, focused, cx| {
753 if !focused && cx.global::<Settings>().autosave == Autosave::OnFocusChange {
754 Pane::autosave_item(&item, workspace.project.clone(), cx)
755 .detach_and_log_err(cx);
756 }
757 })
758 .detach();
759
760 let item_id = self.id();
761 cx.observe_release(self, move |workspace, _, _| {
762 workspace.panes_by_item.remove(&item_id);
763 event_subscription.take();
764 })
765 .detach();
766 }
767 }
768
769 fn deactivated(&self, cx: &mut MutableAppContext) {
770 self.update(cx, |this, cx| this.deactivated(cx));
771 }
772
773 fn workspace_deactivated(&self, cx: &mut MutableAppContext) {
774 self.update(cx, |this, cx| this.workspace_deactivated(cx));
775 }
776
777 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool {
778 self.update(cx, |this, cx| this.navigate(data, cx))
779 }
780
781 fn id(&self) -> usize {
782 self.id()
783 }
784
785 fn window_id(&self) -> usize {
786 self.window_id()
787 }
788
789 fn to_any(&self) -> AnyViewHandle {
790 self.into()
791 }
792
793 fn is_dirty(&self, cx: &AppContext) -> bool {
794 self.read(cx).is_dirty(cx)
795 }
796
797 fn has_conflict(&self, cx: &AppContext) -> bool {
798 self.read(cx).has_conflict(cx)
799 }
800
801 fn can_save(&self, cx: &AppContext) -> bool {
802 self.read(cx).can_save(cx)
803 }
804
805 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>> {
806 self.update(cx, |item, cx| item.save(project, cx))
807 }
808
809 fn save_as(
810 &self,
811 project: ModelHandle<Project>,
812 abs_path: PathBuf,
813 cx: &mut MutableAppContext,
814 ) -> Task<anyhow::Result<()>> {
815 self.update(cx, |item, cx| item.save_as(project, abs_path, cx))
816 }
817
818 fn reload(
819 &self,
820 project: ModelHandle<Project>,
821 cx: &mut MutableAppContext,
822 ) -> Task<Result<()>> {
823 self.update(cx, |item, cx| item.reload(project, cx))
824 }
825
826 fn git_diff_recalc(
827 &self,
828 project: ModelHandle<Project>,
829 cx: &mut MutableAppContext,
830 ) -> Task<Result<()>> {
831 self.update(cx, |item, cx| item.git_diff_recalc(project, cx))
832 }
833
834 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle> {
835 self.read(cx).act_as_type(type_id, self, cx)
836 }
837
838 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>> {
839 if cx.has_global::<FollowableItemBuilders>() {
840 let builders = cx.global::<FollowableItemBuilders>();
841 let item = self.to_any();
842 Some(builders.get(&item.view_type())?.1(item))
843 } else {
844 None
845 }
846 }
847
848 fn on_release(
849 &self,
850 cx: &mut MutableAppContext,
851 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
852 ) -> gpui::Subscription {
853 cx.observe_release(self, move |_, cx| callback(cx))
854 }
855
856 fn to_searchable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn SearchableItemHandle>> {
857 self.read(cx).as_searchable(self)
858 }
859
860 fn breadcrumb_location(&self, cx: &AppContext) -> ToolbarItemLocation {
861 self.read(cx).breadcrumb_location()
862 }
863
864 fn breadcrumbs(&self, theme: &Theme, cx: &AppContext) -> Option<Vec<ElementBox>> {
865 self.read(cx).breadcrumbs(theme, cx)
866 }
867}
868
869impl From<Box<dyn ItemHandle>> for AnyViewHandle {
870 fn from(val: Box<dyn ItemHandle>) -> Self {
871 val.to_any()
872 }
873}
874
875impl From<&Box<dyn ItemHandle>> for AnyViewHandle {
876 fn from(val: &Box<dyn ItemHandle>) -> Self {
877 val.to_any()
878 }
879}
880
881impl Clone for Box<dyn ItemHandle> {
882 fn clone(&self) -> Box<dyn ItemHandle> {
883 self.boxed_clone()
884 }
885}
886
887impl<T: Item> WeakItemHandle for WeakViewHandle<T> {
888 fn id(&self) -> usize {
889 self.id()
890 }
891
892 fn window_id(&self) -> usize {
893 self.window_id()
894 }
895
896 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
897 self.upgrade(cx).map(|v| Box::new(v) as Box<dyn ItemHandle>)
898 }
899}
900
901pub trait Notification: View {
902 fn should_dismiss_notification_on_event(&self, event: &<Self as Entity>::Event) -> bool;
903}
904
905pub trait NotificationHandle {
906 fn id(&self) -> usize;
907 fn to_any(&self) -> AnyViewHandle;
908}
909
910impl<T: Notification> NotificationHandle for ViewHandle<T> {
911 fn id(&self) -> usize {
912 self.id()
913 }
914
915 fn to_any(&self) -> AnyViewHandle {
916 self.into()
917 }
918}
919
920impl From<&dyn NotificationHandle> for AnyViewHandle {
921 fn from(val: &dyn NotificationHandle) -> Self {
922 val.to_any()
923 }
924}
925
926impl AppState {
927 #[cfg(any(test, feature = "test-support"))]
928 pub fn test(cx: &mut MutableAppContext) -> Arc<Self> {
929 let settings = Settings::test(cx);
930 cx.set_global(settings);
931
932 let fs = project::FakeFs::new(cx.background().clone());
933 let languages = Arc::new(LanguageRegistry::test());
934 let http_client = client::test::FakeHttpClient::with_404_response();
935 let client = Client::new(http_client.clone(), cx);
936 let project_store = cx.add_model(|_| ProjectStore::new());
937 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
938 let themes = ThemeRegistry::new((), cx.font_cache().clone());
939 Arc::new(Self {
940 client,
941 themes,
942 fs,
943 languages,
944 user_store,
945 project_store,
946 initialize_workspace: |_, _, _| {},
947 build_window_options: Default::default,
948 default_item_factory: |_, _| unimplemented!(),
949 })
950 }
951}
952
953pub enum Event {
954 DockAnchorChanged,
955 PaneAdded(ViewHandle<Pane>),
956 ContactRequestedJoin(u64),
957}
958
959pub struct Workspace {
960 weak_self: WeakViewHandle<Self>,
961 client: Arc<Client>,
962 user_store: ModelHandle<client::UserStore>,
963 remote_entity_subscription: Option<client::Subscription>,
964 fs: Arc<dyn Fs>,
965 modal: Option<AnyViewHandle>,
966 center: PaneGroup,
967 left_sidebar: ViewHandle<Sidebar>,
968 right_sidebar: ViewHandle<Sidebar>,
969 panes: Vec<ViewHandle<Pane>>,
970 panes_by_item: HashMap<usize, WeakViewHandle<Pane>>,
971 active_pane: ViewHandle<Pane>,
972 last_active_center_pane: Option<WeakViewHandle<Pane>>,
973 status_bar: ViewHandle<StatusBar>,
974 titlebar_item: Option<AnyViewHandle>,
975 dock: Dock,
976 notifications: Vec<(TypeId, usize, Box<dyn NotificationHandle>)>,
977 project: ModelHandle<Project>,
978 leader_state: LeaderState,
979 follower_states_by_leader: FollowerStatesByLeader,
980 last_leaders_by_pane: HashMap<WeakViewHandle<Pane>, PeerId>,
981 window_edited: bool,
982 active_call: Option<ModelHandle<ActiveCall>>,
983 _observe_current_user: Task<()>,
984 _active_call_observation: Option<gpui::Subscription>,
985}
986
987#[derive(Default)]
988struct LeaderState {
989 followers: HashSet<PeerId>,
990}
991
992type FollowerStatesByLeader = HashMap<PeerId, HashMap<ViewHandle<Pane>, FollowerState>>;
993
994#[derive(Default)]
995struct FollowerState {
996 active_view_id: Option<u64>,
997 items_by_leader_view_id: HashMap<u64, FollowerItem>,
998}
999
1000#[derive(Debug)]
1001enum FollowerItem {
1002 Loading(Vec<proto::update_view::Variant>),
1003 Loaded(Box<dyn FollowableItemHandle>),
1004}
1005
1006impl Workspace {
1007 pub fn new(
1008 project: ModelHandle<Project>,
1009 dock_default_factory: DefaultItemFactory,
1010 cx: &mut ViewContext<Self>,
1011 ) -> Self {
1012 cx.observe_fullscreen(|_, _, cx| cx.notify()).detach();
1013
1014 cx.observe_window_activation(Self::on_window_activation_changed)
1015 .detach();
1016 cx.observe(&project, |_, _, cx| cx.notify()).detach();
1017 cx.subscribe(&project, move |this, _, event, cx| {
1018 match event {
1019 project::Event::RemoteIdChanged(remote_id) => {
1020 this.project_remote_id_changed(*remote_id, cx);
1021 }
1022 project::Event::CollaboratorLeft(peer_id) => {
1023 this.collaborator_left(*peer_id, cx);
1024 }
1025 project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded => {
1026 this.update_window_title(cx);
1027 }
1028 project::Event::DisconnectedFromHost => {
1029 this.update_window_edited(cx);
1030 cx.blur();
1031 }
1032 _ => {}
1033 }
1034 cx.notify()
1035 })
1036 .detach();
1037
1038 let center_pane = cx.add_view(|cx| Pane::new(None, cx));
1039 let pane_id = center_pane.id();
1040 cx.subscribe(¢er_pane, move |this, _, event, cx| {
1041 this.handle_pane_event(pane_id, event, cx)
1042 })
1043 .detach();
1044 cx.focus(¢er_pane);
1045 cx.emit(Event::PaneAdded(center_pane.clone()));
1046
1047 let fs = project.read(cx).fs().clone();
1048 let user_store = project.read(cx).user_store();
1049 let client = project.read(cx).client();
1050 let mut current_user = user_store.read(cx).watch_current_user();
1051 let mut connection_status = client.status();
1052 let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
1053 current_user.recv().await;
1054 connection_status.recv().await;
1055 let mut stream =
1056 Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
1057
1058 while stream.recv().await.is_some() {
1059 cx.update(|cx| {
1060 if let Some(this) = this.upgrade(cx) {
1061 this.update(cx, |_, cx| cx.notify());
1062 }
1063 })
1064 }
1065 });
1066
1067 let handle = cx.handle();
1068 let weak_handle = cx.weak_handle();
1069
1070 cx.emit_global(WorkspaceCreated(weak_handle.clone()));
1071
1072 let dock = Dock::new(cx, dock_default_factory);
1073 let dock_pane = dock.pane().clone();
1074
1075 let left_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Left));
1076 let right_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Right));
1077 let left_sidebar_buttons = cx.add_view(|cx| SidebarButtons::new(left_sidebar.clone(), cx));
1078 let toggle_dock = cx.add_view(|cx| ToggleDockButton::new(handle, cx));
1079 let right_sidebar_buttons =
1080 cx.add_view(|cx| SidebarButtons::new(right_sidebar.clone(), cx));
1081 let status_bar = cx.add_view(|cx| {
1082 let mut status_bar = StatusBar::new(¢er_pane.clone(), cx);
1083 status_bar.add_left_item(left_sidebar_buttons, cx);
1084 status_bar.add_right_item(right_sidebar_buttons, cx);
1085 status_bar.add_right_item(toggle_dock, cx);
1086 status_bar
1087 });
1088
1089 cx.update_default_global::<DragAndDrop<Workspace>, _, _>(|drag_and_drop, _| {
1090 drag_and_drop.register_container(weak_handle.clone());
1091 });
1092
1093 let mut active_call = None;
1094 let mut active_call_observation = None;
1095 if cx.has_global::<ModelHandle<ActiveCall>>() {
1096 let call = cx.global::<ModelHandle<ActiveCall>>().clone();
1097 active_call_observation = Some(cx.observe(&call, |_, _, cx| cx.notify()));
1098 active_call = Some(call);
1099 }
1100
1101 let mut this = Workspace {
1102 modal: None,
1103 weak_self: weak_handle,
1104 center: PaneGroup::new(center_pane.clone()),
1105 dock,
1106 // When removing an item, the last element remaining in this array
1107 // is used to find where focus should fallback to. As such, the order
1108 // of these two variables is important.
1109 panes: vec![dock_pane, center_pane.clone()],
1110 panes_by_item: Default::default(),
1111 active_pane: center_pane.clone(),
1112 last_active_center_pane: Some(center_pane.downgrade()),
1113 status_bar,
1114 titlebar_item: None,
1115 notifications: Default::default(),
1116 client,
1117 remote_entity_subscription: None,
1118 user_store,
1119 fs,
1120 left_sidebar,
1121 right_sidebar,
1122 project,
1123 leader_state: Default::default(),
1124 follower_states_by_leader: Default::default(),
1125 last_leaders_by_pane: Default::default(),
1126 window_edited: false,
1127 active_call,
1128 _observe_current_user,
1129 _active_call_observation: active_call_observation,
1130 };
1131 this.project_remote_id_changed(this.project.read(cx).remote_id(), cx);
1132 cx.defer(|this, cx| this.update_window_title(cx));
1133
1134 this
1135 }
1136
1137 pub fn weak_handle(&self) -> WeakViewHandle<Self> {
1138 self.weak_self.clone()
1139 }
1140
1141 pub fn left_sidebar(&self) -> &ViewHandle<Sidebar> {
1142 &self.left_sidebar
1143 }
1144
1145 pub fn right_sidebar(&self) -> &ViewHandle<Sidebar> {
1146 &self.right_sidebar
1147 }
1148
1149 pub fn status_bar(&self) -> &ViewHandle<StatusBar> {
1150 &self.status_bar
1151 }
1152
1153 pub fn user_store(&self) -> &ModelHandle<UserStore> {
1154 &self.user_store
1155 }
1156
1157 pub fn project(&self) -> &ModelHandle<Project> {
1158 &self.project
1159 }
1160
1161 pub fn client(&self) -> &Arc<Client> {
1162 &self.client
1163 }
1164
1165 pub fn set_titlebar_item(
1166 &mut self,
1167 item: impl Into<AnyViewHandle>,
1168 cx: &mut ViewContext<Self>,
1169 ) {
1170 self.titlebar_item = Some(item.into());
1171 cx.notify();
1172 }
1173
1174 /// Call the given callback with a workspace whose project is local.
1175 ///
1176 /// If the given workspace has a local project, then it will be passed
1177 /// to the callback. Otherwise, a new empty window will be created.
1178 pub fn with_local_workspace<T, F>(
1179 &mut self,
1180 cx: &mut ViewContext<Self>,
1181 app_state: Arc<AppState>,
1182 callback: F,
1183 ) -> T
1184 where
1185 T: 'static,
1186 F: FnOnce(&mut Workspace, &mut ViewContext<Workspace>) -> T,
1187 {
1188 if self.project.read(cx).is_local() {
1189 callback(self, cx)
1190 } else {
1191 let (_, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
1192 let mut workspace = Workspace::new(
1193 Project::local(
1194 app_state.client.clone(),
1195 app_state.user_store.clone(),
1196 app_state.project_store.clone(),
1197 app_state.languages.clone(),
1198 app_state.fs.clone(),
1199 cx,
1200 ),
1201 app_state.default_item_factory,
1202 cx,
1203 );
1204 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
1205 workspace
1206 });
1207 workspace.update(cx, callback)
1208 }
1209 }
1210
1211 pub fn worktrees<'a>(
1212 &self,
1213 cx: &'a AppContext,
1214 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1215 self.project.read(cx).worktrees(cx)
1216 }
1217
1218 pub fn visible_worktrees<'a>(
1219 &self,
1220 cx: &'a AppContext,
1221 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1222 self.project.read(cx).visible_worktrees(cx)
1223 }
1224
1225 pub fn worktree_scans_complete(&self, cx: &AppContext) -> impl Future<Output = ()> + 'static {
1226 let futures = self
1227 .worktrees(cx)
1228 .filter_map(|worktree| worktree.read(cx).as_local())
1229 .map(|worktree| worktree.scan_complete())
1230 .collect::<Vec<_>>();
1231 async move {
1232 for future in futures {
1233 future.await;
1234 }
1235 }
1236 }
1237
1238 pub fn close(
1239 &mut self,
1240 _: &CloseWindow,
1241 cx: &mut ViewContext<Self>,
1242 ) -> Option<Task<Result<()>>> {
1243 let prepare = self.prepare_to_close(false, cx);
1244 Some(cx.spawn(|this, mut cx| async move {
1245 if prepare.await? {
1246 this.update(&mut cx, |_, cx| {
1247 let window_id = cx.window_id();
1248 cx.remove_window(window_id);
1249 });
1250 }
1251 Ok(())
1252 }))
1253 }
1254
1255 pub fn prepare_to_close(
1256 &mut self,
1257 quitting: bool,
1258 cx: &mut ViewContext<Self>,
1259 ) -> Task<Result<bool>> {
1260 let active_call = self.active_call.clone();
1261 let window_id = cx.window_id();
1262 let workspace_count = cx
1263 .window_ids()
1264 .flat_map(|window_id| cx.root_view::<Workspace>(window_id))
1265 .count();
1266 cx.spawn(|this, mut cx| async move {
1267 if let Some(active_call) = active_call {
1268 if !quitting
1269 && workspace_count == 1
1270 && active_call.read_with(&cx, |call, _| call.room().is_some())
1271 {
1272 let answer = cx
1273 .prompt(
1274 window_id,
1275 PromptLevel::Warning,
1276 "Do you want to leave the current call?",
1277 &["Close window and hang up", "Cancel"],
1278 )
1279 .next()
1280 .await;
1281 if answer == Some(1) {
1282 return anyhow::Ok(false);
1283 } else {
1284 active_call.update(&mut cx, |call, cx| call.hang_up(cx))?;
1285 }
1286 }
1287 }
1288
1289 Ok(this
1290 .update(&mut cx, |this, cx| this.save_all_internal(true, cx))
1291 .await?)
1292 })
1293 }
1294
1295 fn save_all(&mut self, _: &SaveAll, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
1296 let save_all = self.save_all_internal(false, cx);
1297 Some(cx.foreground().spawn(async move {
1298 save_all.await?;
1299 Ok(())
1300 }))
1301 }
1302
1303 fn save_all_internal(
1304 &mut self,
1305 should_prompt_to_save: bool,
1306 cx: &mut ViewContext<Self>,
1307 ) -> Task<Result<bool>> {
1308 if self.project.read(cx).is_read_only() {
1309 return Task::ready(Ok(true));
1310 }
1311
1312 let dirty_items = self
1313 .panes
1314 .iter()
1315 .flat_map(|pane| {
1316 pane.read(cx).items().filter_map(|item| {
1317 if item.is_dirty(cx) {
1318 Some((pane.clone(), item.boxed_clone()))
1319 } else {
1320 None
1321 }
1322 })
1323 })
1324 .collect::<Vec<_>>();
1325
1326 let project = self.project.clone();
1327 cx.spawn_weak(|_, mut cx| async move {
1328 for (pane, item) in dirty_items {
1329 let (singleton, project_entry_ids) =
1330 cx.read(|cx| (item.is_singleton(cx), item.project_entry_ids(cx)));
1331 if singleton || !project_entry_ids.is_empty() {
1332 if let Some(ix) =
1333 pane.read_with(&cx, |pane, _| pane.index_for_item(item.as_ref()))
1334 {
1335 if !Pane::save_item(
1336 project.clone(),
1337 &pane,
1338 ix,
1339 &*item,
1340 should_prompt_to_save,
1341 &mut cx,
1342 )
1343 .await?
1344 {
1345 return Ok(false);
1346 }
1347 }
1348 }
1349 }
1350 Ok(true)
1351 })
1352 }
1353
1354 #[allow(clippy::type_complexity)]
1355 pub fn open_paths(
1356 &mut self,
1357 mut abs_paths: Vec<PathBuf>,
1358 visible: bool,
1359 cx: &mut ViewContext<Self>,
1360 ) -> Task<Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>> {
1361 let fs = self.fs.clone();
1362
1363 // Sort the paths to ensure we add worktrees for parents before their children.
1364 abs_paths.sort_unstable();
1365 cx.spawn(|this, mut cx| async move {
1366 let mut project_paths = Vec::new();
1367 for path in &abs_paths {
1368 project_paths.push(
1369 this.update(&mut cx, |this, cx| {
1370 this.project_path_for_path(path, visible, cx)
1371 })
1372 .await
1373 .log_err(),
1374 );
1375 }
1376
1377 let tasks = abs_paths
1378 .iter()
1379 .cloned()
1380 .zip(project_paths.into_iter())
1381 .map(|(abs_path, project_path)| {
1382 let this = this.clone();
1383 cx.spawn(|mut cx| {
1384 let fs = fs.clone();
1385 async move {
1386 let (_worktree, project_path) = project_path?;
1387 if fs.is_file(&abs_path).await {
1388 Some(
1389 this.update(&mut cx, |this, cx| {
1390 this.open_path(project_path, true, cx)
1391 })
1392 .await,
1393 )
1394 } else {
1395 None
1396 }
1397 }
1398 })
1399 })
1400 .collect::<Vec<_>>();
1401
1402 futures::future::join_all(tasks).await
1403 })
1404 }
1405
1406 fn add_folder_to_project(&mut self, _: &AddFolderToProject, cx: &mut ViewContext<Self>) {
1407 let mut paths = cx.prompt_for_paths(PathPromptOptions {
1408 files: false,
1409 directories: true,
1410 multiple: true,
1411 });
1412 cx.spawn(|this, mut cx| async move {
1413 if let Some(paths) = paths.recv().await.flatten() {
1414 let results = this
1415 .update(&mut cx, |this, cx| this.open_paths(paths, true, cx))
1416 .await;
1417 for result in results.into_iter().flatten() {
1418 result.log_err();
1419 }
1420 }
1421 })
1422 .detach();
1423 }
1424
1425 fn remove_folder_from_project(
1426 &mut self,
1427 RemoveWorktreeFromProject(worktree_id): &RemoveWorktreeFromProject,
1428 cx: &mut ViewContext<Self>,
1429 ) {
1430 self.project
1431 .update(cx, |project, cx| project.remove_worktree(*worktree_id, cx));
1432 }
1433
1434 fn project_path_for_path(
1435 &self,
1436 abs_path: &Path,
1437 visible: bool,
1438 cx: &mut ViewContext<Self>,
1439 ) -> Task<Result<(ModelHandle<Worktree>, ProjectPath)>> {
1440 let entry = self.project().update(cx, |project, cx| {
1441 project.find_or_create_local_worktree(abs_path, visible, cx)
1442 });
1443 cx.spawn(|_, cx| async move {
1444 let (worktree, path) = entry.await?;
1445 let worktree_id = worktree.read_with(&cx, |t, _| t.id());
1446 Ok((
1447 worktree,
1448 ProjectPath {
1449 worktree_id,
1450 path: path.into(),
1451 },
1452 ))
1453 })
1454 }
1455
1456 /// Returns the modal that was toggled closed if it was open.
1457 pub fn toggle_modal<V, F>(
1458 &mut self,
1459 cx: &mut ViewContext<Self>,
1460 add_view: F,
1461 ) -> Option<ViewHandle<V>>
1462 where
1463 V: 'static + View,
1464 F: FnOnce(&mut Self, &mut ViewContext<Self>) -> ViewHandle<V>,
1465 {
1466 cx.notify();
1467 // Whatever modal was visible is getting clobbered. If its the same type as V, then return
1468 // it. Otherwise, create a new modal and set it as active.
1469 let already_open_modal = self.modal.take().and_then(|modal| modal.downcast::<V>());
1470 if let Some(already_open_modal) = already_open_modal {
1471 cx.focus_self();
1472 Some(already_open_modal)
1473 } else {
1474 let modal = add_view(self, cx);
1475 cx.focus(&modal);
1476 self.modal = Some(modal.into());
1477 None
1478 }
1479 }
1480
1481 pub fn modal<V: 'static + View>(&self) -> Option<ViewHandle<V>> {
1482 self.modal
1483 .as_ref()
1484 .and_then(|modal| modal.clone().downcast::<V>())
1485 }
1486
1487 pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
1488 if self.modal.take().is_some() {
1489 cx.focus(&self.active_pane);
1490 cx.notify();
1491 }
1492 }
1493
1494 pub fn show_notification<V: Notification>(
1495 &mut self,
1496 id: usize,
1497 cx: &mut ViewContext<Self>,
1498 build_notification: impl FnOnce(&mut ViewContext<Self>) -> ViewHandle<V>,
1499 ) {
1500 let type_id = TypeId::of::<V>();
1501 if self
1502 .notifications
1503 .iter()
1504 .all(|(existing_type_id, existing_id, _)| {
1505 (*existing_type_id, *existing_id) != (type_id, id)
1506 })
1507 {
1508 let notification = build_notification(cx);
1509 cx.subscribe(¬ification, move |this, handle, event, cx| {
1510 if handle.read(cx).should_dismiss_notification_on_event(event) {
1511 this.dismiss_notification(type_id, id, cx);
1512 }
1513 })
1514 .detach();
1515 self.notifications
1516 .push((type_id, id, Box::new(notification)));
1517 cx.notify();
1518 }
1519 }
1520
1521 fn dismiss_notification(&mut self, type_id: TypeId, id: usize, cx: &mut ViewContext<Self>) {
1522 self.notifications
1523 .retain(|(existing_type_id, existing_id, _)| {
1524 if (*existing_type_id, *existing_id) == (type_id, id) {
1525 cx.notify();
1526 false
1527 } else {
1528 true
1529 }
1530 });
1531 }
1532
1533 pub fn items<'a>(
1534 &'a self,
1535 cx: &'a AppContext,
1536 ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
1537 self.panes.iter().flat_map(|pane| pane.read(cx).items())
1538 }
1539
1540 pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
1541 self.items_of_type(cx).max_by_key(|item| item.id())
1542 }
1543
1544 pub fn items_of_type<'a, T: Item>(
1545 &'a self,
1546 cx: &'a AppContext,
1547 ) -> impl 'a + Iterator<Item = ViewHandle<T>> {
1548 self.panes
1549 .iter()
1550 .flat_map(|pane| pane.read(cx).items_of_type())
1551 }
1552
1553 pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
1554 self.active_pane().read(cx).active_item()
1555 }
1556
1557 fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
1558 self.active_item(cx).and_then(|item| item.project_path(cx))
1559 }
1560
1561 pub fn save_active_item(
1562 &mut self,
1563 force_name_change: bool,
1564 cx: &mut ViewContext<Self>,
1565 ) -> Task<Result<()>> {
1566 let project = self.project.clone();
1567 if let Some(item) = self.active_item(cx) {
1568 if !force_name_change && item.can_save(cx) {
1569 if item.has_conflict(cx.as_ref()) {
1570 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1571
1572 let mut answer = cx.prompt(
1573 PromptLevel::Warning,
1574 CONFLICT_MESSAGE,
1575 &["Overwrite", "Cancel"],
1576 );
1577 cx.spawn(|_, mut cx| async move {
1578 let answer = answer.recv().await;
1579 if answer == Some(0) {
1580 cx.update(|cx| item.save(project, cx)).await?;
1581 }
1582 Ok(())
1583 })
1584 } else {
1585 item.save(project, cx)
1586 }
1587 } else if item.is_singleton(cx) {
1588 let worktree = self.worktrees(cx).next();
1589 let start_abs_path = worktree
1590 .and_then(|w| w.read(cx).as_local())
1591 .map_or(Path::new(""), |w| w.abs_path())
1592 .to_path_buf();
1593 let mut abs_path = cx.prompt_for_new_path(&start_abs_path);
1594 cx.spawn(|_, mut cx| async move {
1595 if let Some(abs_path) = abs_path.recv().await.flatten() {
1596 cx.update(|cx| item.save_as(project, abs_path, cx)).await?;
1597 }
1598 Ok(())
1599 })
1600 } else {
1601 Task::ready(Ok(()))
1602 }
1603 } else {
1604 Task::ready(Ok(()))
1605 }
1606 }
1607
1608 pub fn toggle_sidebar(&mut self, sidebar_side: SidebarSide, cx: &mut ViewContext<Self>) {
1609 let sidebar = match sidebar_side {
1610 SidebarSide::Left => &mut self.left_sidebar,
1611 SidebarSide::Right => &mut self.right_sidebar,
1612 };
1613 let open = sidebar.update(cx, |sidebar, cx| {
1614 let open = !sidebar.is_open();
1615 sidebar.set_open(open, cx);
1616 open
1617 });
1618
1619 if open {
1620 Dock::hide_on_sidebar_shown(self, sidebar_side, cx);
1621 }
1622
1623 cx.focus_self();
1624 cx.notify();
1625 }
1626
1627 pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
1628 let sidebar = match action.sidebar_side {
1629 SidebarSide::Left => &mut self.left_sidebar,
1630 SidebarSide::Right => &mut self.right_sidebar,
1631 };
1632 let active_item = sidebar.update(cx, move |sidebar, cx| {
1633 if sidebar.is_open() && sidebar.active_item_ix() == action.item_index {
1634 sidebar.set_open(false, cx);
1635 None
1636 } else {
1637 sidebar.set_open(true, cx);
1638 sidebar.activate_item(action.item_index, cx);
1639 sidebar.active_item().cloned()
1640 }
1641 });
1642
1643 if let Some(active_item) = active_item {
1644 Dock::hide_on_sidebar_shown(self, action.sidebar_side, cx);
1645
1646 if active_item.is_focused(cx) {
1647 cx.focus_self();
1648 } else {
1649 cx.focus(active_item.to_any());
1650 }
1651 } else {
1652 cx.focus_self();
1653 }
1654 cx.notify();
1655 }
1656
1657 pub fn toggle_sidebar_item_focus(
1658 &mut self,
1659 sidebar_side: SidebarSide,
1660 item_index: usize,
1661 cx: &mut ViewContext<Self>,
1662 ) {
1663 let sidebar = match sidebar_side {
1664 SidebarSide::Left => &mut self.left_sidebar,
1665 SidebarSide::Right => &mut self.right_sidebar,
1666 };
1667 let active_item = sidebar.update(cx, |sidebar, cx| {
1668 sidebar.set_open(true, cx);
1669 sidebar.activate_item(item_index, cx);
1670 sidebar.active_item().cloned()
1671 });
1672 if let Some(active_item) = active_item {
1673 Dock::hide_on_sidebar_shown(self, sidebar_side, cx);
1674
1675 if active_item.is_focused(cx) {
1676 cx.focus_self();
1677 } else {
1678 cx.focus(active_item.to_any());
1679 }
1680 }
1681 cx.notify();
1682 }
1683
1684 pub fn focus_center(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
1685 cx.focus_self();
1686 cx.notify();
1687 }
1688
1689 fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
1690 let pane = cx.add_view(|cx| Pane::new(None, cx));
1691 let pane_id = pane.id();
1692 cx.subscribe(&pane, move |this, _, event, cx| {
1693 this.handle_pane_event(pane_id, event, cx)
1694 })
1695 .detach();
1696 self.panes.push(pane.clone());
1697 cx.focus(pane.clone());
1698 cx.emit(Event::PaneAdded(pane.clone()));
1699 pane
1700 }
1701
1702 pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
1703 let active_pane = self.active_pane().clone();
1704 Pane::add_item(self, &active_pane, item, true, true, None, cx);
1705 }
1706
1707 pub fn open_path(
1708 &mut self,
1709 path: impl Into<ProjectPath>,
1710 focus_item: bool,
1711 cx: &mut ViewContext<Self>,
1712 ) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
1713 let pane = self.active_pane().downgrade();
1714 let task = self.load_path(path.into(), cx);
1715 cx.spawn(|this, mut cx| async move {
1716 let (project_entry_id, build_item) = task.await?;
1717 let pane = pane
1718 .upgrade(&cx)
1719 .ok_or_else(|| anyhow!("pane was closed"))?;
1720 this.update(&mut cx, |this, cx| {
1721 Ok(Pane::open_item(
1722 this,
1723 pane,
1724 project_entry_id,
1725 focus_item,
1726 cx,
1727 build_item,
1728 ))
1729 })
1730 })
1731 }
1732
1733 pub(crate) fn load_path(
1734 &mut self,
1735 path: ProjectPath,
1736 cx: &mut ViewContext<Self>,
1737 ) -> Task<
1738 Result<(
1739 ProjectEntryId,
1740 impl 'static + FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
1741 )>,
1742 > {
1743 let project = self.project().clone();
1744 let project_item = project.update(cx, |project, cx| project.open_path(path, cx));
1745 cx.as_mut().spawn(|mut cx| async move {
1746 let (project_entry_id, project_item) = project_item.await?;
1747 let build_item = cx.update(|cx| {
1748 cx.default_global::<ProjectItemBuilders>()
1749 .get(&project_item.model_type())
1750 .ok_or_else(|| anyhow!("no item builder for project item"))
1751 .cloned()
1752 })?;
1753 let build_item =
1754 move |cx: &mut ViewContext<Pane>| build_item(project, project_item, cx);
1755 Ok((project_entry_id, build_item))
1756 })
1757 }
1758
1759 pub fn open_project_item<T>(
1760 &mut self,
1761 project_item: ModelHandle<T::Item>,
1762 cx: &mut ViewContext<Self>,
1763 ) -> ViewHandle<T>
1764 where
1765 T: ProjectItem,
1766 {
1767 use project::Item as _;
1768
1769 let entry_id = project_item.read(cx).entry_id(cx);
1770 if let Some(item) = entry_id
1771 .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
1772 .and_then(|item| item.downcast())
1773 {
1774 self.activate_item(&item, cx);
1775 return item;
1776 }
1777
1778 let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
1779 self.add_item(Box::new(item.clone()), cx);
1780 item
1781 }
1782
1783 pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
1784 let result = self.panes.iter().find_map(|pane| {
1785 pane.read(cx)
1786 .index_for_item(item)
1787 .map(|ix| (pane.clone(), ix))
1788 });
1789 if let Some((pane, ix)) = result {
1790 pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
1791 true
1792 } else {
1793 false
1794 }
1795 }
1796
1797 fn activate_pane_at_index(&mut self, action: &ActivatePane, cx: &mut ViewContext<Self>) {
1798 let panes = self.center.panes();
1799 if let Some(pane) = panes.get(action.0).map(|p| (*p).clone()) {
1800 cx.focus(pane);
1801 } else {
1802 self.split_pane(self.active_pane.clone(), SplitDirection::Right, cx);
1803 }
1804 }
1805
1806 pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
1807 let next_pane = {
1808 let panes = self.center.panes();
1809 let ix = panes
1810 .iter()
1811 .position(|pane| **pane == self.active_pane)
1812 .unwrap();
1813 let next_ix = (ix + 1) % panes.len();
1814 panes[next_ix].clone()
1815 };
1816 cx.focus(next_pane);
1817 }
1818
1819 pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
1820 let prev_pane = {
1821 let panes = self.center.panes();
1822 let ix = panes
1823 .iter()
1824 .position(|pane| **pane == self.active_pane)
1825 .unwrap();
1826 let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
1827 panes[prev_ix].clone()
1828 };
1829 cx.focus(prev_pane);
1830 }
1831
1832 fn handle_pane_focused(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1833 if self.active_pane != pane {
1834 self.active_pane
1835 .update(cx, |pane, cx| pane.set_active(false, cx));
1836 self.active_pane = pane.clone();
1837 self.active_pane
1838 .update(cx, |pane, cx| pane.set_active(true, cx));
1839 self.status_bar.update(cx, |status_bar, cx| {
1840 status_bar.set_active_pane(&self.active_pane, cx);
1841 });
1842 self.active_item_path_changed(cx);
1843
1844 if &pane == self.dock_pane() {
1845 Dock::show(self, cx);
1846 } else {
1847 self.last_active_center_pane = Some(pane.downgrade());
1848 if self.dock.is_anchored_at(DockAnchor::Expanded) {
1849 Dock::hide(self, cx);
1850 }
1851 }
1852 cx.notify();
1853 }
1854
1855 self.update_followers(
1856 proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
1857 id: self.active_item(cx).map(|item| item.id() as u64),
1858 leader_id: self.leader_for_pane(&pane).map(|id| id.0),
1859 }),
1860 cx,
1861 );
1862 }
1863
1864 fn handle_pane_event(
1865 &mut self,
1866 pane_id: usize,
1867 event: &pane::Event,
1868 cx: &mut ViewContext<Self>,
1869 ) {
1870 if let Some(pane) = self.pane(pane_id) {
1871 let is_dock = &pane == self.dock.pane();
1872 match event {
1873 pane::Event::Split(direction) if !is_dock => {
1874 self.split_pane(pane, *direction, cx);
1875 }
1876 pane::Event::Remove if !is_dock => self.remove_pane(pane, cx),
1877 pane::Event::Remove if is_dock => Dock::hide(self, cx),
1878 pane::Event::ActivateItem { local } => {
1879 if *local {
1880 self.unfollow(&pane, cx);
1881 }
1882 if &pane == self.active_pane() {
1883 self.active_item_path_changed(cx);
1884 }
1885 }
1886 pane::Event::ChangeItemTitle => {
1887 if pane == self.active_pane {
1888 self.active_item_path_changed(cx);
1889 }
1890 self.update_window_edited(cx);
1891 }
1892 pane::Event::RemoveItem { item_id } => {
1893 self.update_window_edited(cx);
1894 if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(*item_id) {
1895 if entry.get().id() == pane.id() {
1896 entry.remove();
1897 }
1898 }
1899 }
1900 _ => {}
1901 }
1902 } else if self.dock.visible_pane().is_none() {
1903 error!("pane {} not found", pane_id);
1904 }
1905 }
1906
1907 pub fn split_pane(
1908 &mut self,
1909 pane: ViewHandle<Pane>,
1910 direction: SplitDirection,
1911 cx: &mut ViewContext<Self>,
1912 ) -> Option<ViewHandle<Pane>> {
1913 if &pane == self.dock_pane() {
1914 warn!("Can't split dock pane.");
1915 return None;
1916 }
1917
1918 pane.read(cx).active_item().map(|item| {
1919 let new_pane = self.add_pane(cx);
1920 if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1921 Pane::add_item(self, &new_pane, clone, true, true, None, cx);
1922 }
1923 self.center.split(&pane, &new_pane, direction).unwrap();
1924 cx.notify();
1925 new_pane
1926 })
1927 }
1928
1929 fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1930 if self.center.remove(&pane).unwrap() {
1931 self.panes.retain(|p| p != &pane);
1932 cx.focus(self.panes.last().unwrap().clone());
1933 self.unfollow(&pane, cx);
1934 self.last_leaders_by_pane.remove(&pane.downgrade());
1935 for removed_item in pane.read(cx).items() {
1936 self.panes_by_item.remove(&removed_item.id());
1937 }
1938 if self.last_active_center_pane == Some(pane.downgrade()) {
1939 self.last_active_center_pane = None;
1940 }
1941
1942 cx.notify();
1943 } else {
1944 self.active_item_path_changed(cx);
1945 }
1946 }
1947
1948 pub fn panes(&self) -> &[ViewHandle<Pane>] {
1949 &self.panes
1950 }
1951
1952 fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1953 self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1954 }
1955
1956 pub fn active_pane(&self) -> &ViewHandle<Pane> {
1957 &self.active_pane
1958 }
1959
1960 pub fn dock_pane(&self) -> &ViewHandle<Pane> {
1961 self.dock.pane()
1962 }
1963
1964 fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
1965 if let Some(remote_id) = remote_id {
1966 self.remote_entity_subscription =
1967 Some(self.client.add_view_for_remote_entity(remote_id, cx));
1968 } else {
1969 self.remote_entity_subscription.take();
1970 }
1971 }
1972
1973 fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
1974 self.leader_state.followers.remove(&peer_id);
1975 if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
1976 for state in states_by_pane.into_values() {
1977 for item in state.items_by_leader_view_id.into_values() {
1978 if let FollowerItem::Loaded(item) = item {
1979 item.set_leader_replica_id(None, cx);
1980 }
1981 }
1982 }
1983 }
1984 cx.notify();
1985 }
1986
1987 pub fn toggle_follow(
1988 &mut self,
1989 ToggleFollow(leader_id): &ToggleFollow,
1990 cx: &mut ViewContext<Self>,
1991 ) -> Option<Task<Result<()>>> {
1992 let leader_id = *leader_id;
1993 let pane = self.active_pane().clone();
1994
1995 if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
1996 if leader_id == prev_leader_id {
1997 return None;
1998 }
1999 }
2000
2001 self.last_leaders_by_pane
2002 .insert(pane.downgrade(), leader_id);
2003 self.follower_states_by_leader
2004 .entry(leader_id)
2005 .or_default()
2006 .insert(pane.clone(), Default::default());
2007 cx.notify();
2008
2009 let project_id = self.project.read(cx).remote_id()?;
2010 let request = self.client.request(proto::Follow {
2011 project_id,
2012 leader_id: leader_id.0,
2013 });
2014 Some(cx.spawn_weak(|this, mut cx| async move {
2015 let response = request.await?;
2016 if let Some(this) = this.upgrade(&cx) {
2017 this.update(&mut cx, |this, _| {
2018 let state = this
2019 .follower_states_by_leader
2020 .get_mut(&leader_id)
2021 .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
2022 .ok_or_else(|| anyhow!("following interrupted"))?;
2023 state.active_view_id = response.active_view_id;
2024 Ok::<_, anyhow::Error>(())
2025 })?;
2026 Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
2027 .await?;
2028 }
2029 Ok(())
2030 }))
2031 }
2032
2033 pub fn follow_next_collaborator(
2034 &mut self,
2035 _: &FollowNextCollaborator,
2036 cx: &mut ViewContext<Self>,
2037 ) -> Option<Task<Result<()>>> {
2038 let collaborators = self.project.read(cx).collaborators();
2039 let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
2040 let mut collaborators = collaborators.keys().copied();
2041 for peer_id in collaborators.by_ref() {
2042 if peer_id == leader_id {
2043 break;
2044 }
2045 }
2046 collaborators.next()
2047 } else if let Some(last_leader_id) =
2048 self.last_leaders_by_pane.get(&self.active_pane.downgrade())
2049 {
2050 if collaborators.contains_key(last_leader_id) {
2051 Some(*last_leader_id)
2052 } else {
2053 None
2054 }
2055 } else {
2056 None
2057 };
2058
2059 next_leader_id
2060 .or_else(|| collaborators.keys().copied().next())
2061 .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
2062 }
2063
2064 pub fn unfollow(
2065 &mut self,
2066 pane: &ViewHandle<Pane>,
2067 cx: &mut ViewContext<Self>,
2068 ) -> Option<PeerId> {
2069 for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
2070 let leader_id = *leader_id;
2071 if let Some(state) = states_by_pane.remove(pane) {
2072 for (_, item) in state.items_by_leader_view_id {
2073 if let FollowerItem::Loaded(item) = item {
2074 item.set_leader_replica_id(None, cx);
2075 }
2076 }
2077
2078 if states_by_pane.is_empty() {
2079 self.follower_states_by_leader.remove(&leader_id);
2080 if let Some(project_id) = self.project.read(cx).remote_id() {
2081 self.client
2082 .send(proto::Unfollow {
2083 project_id,
2084 leader_id: leader_id.0,
2085 })
2086 .log_err();
2087 }
2088 }
2089
2090 cx.notify();
2091 return Some(leader_id);
2092 }
2093 }
2094 None
2095 }
2096
2097 pub fn is_following(&self, peer_id: PeerId) -> bool {
2098 self.follower_states_by_leader.contains_key(&peer_id)
2099 }
2100
2101 fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
2102 let project = &self.project.read(cx);
2103 let mut worktree_root_names = String::new();
2104 for (i, name) in project.worktree_root_names(cx).enumerate() {
2105 if i > 0 {
2106 worktree_root_names.push_str(", ");
2107 }
2108 worktree_root_names.push_str(name);
2109 }
2110
2111 // TODO: There should be a better system in place for this
2112 // (https://github.com/zed-industries/zed/issues/1290)
2113 let is_fullscreen = cx.window_is_fullscreen(cx.window_id());
2114 let container_theme = if is_fullscreen {
2115 let mut container_theme = theme.workspace.titlebar.container;
2116 container_theme.padding.left = container_theme.padding.right;
2117 container_theme
2118 } else {
2119 theme.workspace.titlebar.container
2120 };
2121
2122 enum TitleBar {}
2123 ConstrainedBox::new(
2124 MouseEventHandler::<TitleBar>::new(0, cx, |_, _| {
2125 Container::new(
2126 Stack::new()
2127 .with_child(
2128 Label::new(worktree_root_names, theme.workspace.titlebar.title.clone())
2129 .aligned()
2130 .left()
2131 .boxed(),
2132 )
2133 .with_children(
2134 self.titlebar_item
2135 .as_ref()
2136 .map(|item| ChildView::new(item).aligned().right().boxed()),
2137 )
2138 .boxed(),
2139 )
2140 .with_style(container_theme)
2141 .boxed()
2142 })
2143 .on_click(MouseButton::Left, |event, cx| {
2144 if event.click_count == 2 {
2145 cx.zoom_window(cx.window_id());
2146 }
2147 })
2148 .boxed(),
2149 )
2150 .with_height(theme.workspace.titlebar.height)
2151 .named("titlebar")
2152 }
2153
2154 fn active_item_path_changed(&mut self, cx: &mut ViewContext<Self>) {
2155 let active_entry = self.active_project_path(cx);
2156 self.project
2157 .update(cx, |project, cx| project.set_active_path(active_entry, cx));
2158 self.update_window_title(cx);
2159 }
2160
2161 fn update_window_title(&mut self, cx: &mut ViewContext<Self>) {
2162 let mut title = String::new();
2163 let project = self.project().read(cx);
2164 if let Some(path) = self.active_item(cx).and_then(|item| item.project_path(cx)) {
2165 let filename = path
2166 .path
2167 .file_name()
2168 .map(|s| s.to_string_lossy())
2169 .or_else(|| {
2170 Some(Cow::Borrowed(
2171 project
2172 .worktree_for_id(path.worktree_id, cx)?
2173 .read(cx)
2174 .root_name(),
2175 ))
2176 });
2177 if let Some(filename) = filename {
2178 title.push_str(filename.as_ref());
2179 title.push_str(" — ");
2180 }
2181 }
2182 for (i, name) in project.worktree_root_names(cx).enumerate() {
2183 if i > 0 {
2184 title.push_str(", ");
2185 }
2186 title.push_str(name);
2187 }
2188 if title.is_empty() {
2189 title = "empty project".to_string();
2190 }
2191 cx.set_window_title(&title);
2192 }
2193
2194 fn update_window_edited(&mut self, cx: &mut ViewContext<Self>) {
2195 let is_edited = !self.project.read(cx).is_read_only()
2196 && self
2197 .items(cx)
2198 .any(|item| item.has_conflict(cx) || item.is_dirty(cx));
2199 if is_edited != self.window_edited {
2200 self.window_edited = is_edited;
2201 cx.set_window_edited(self.window_edited)
2202 }
2203 }
2204
2205 fn render_disconnected_overlay(&self, cx: &mut RenderContext<Workspace>) -> Option<ElementBox> {
2206 if self.project.read(cx).is_read_only() {
2207 enum DisconnectedOverlay {}
2208 Some(
2209 MouseEventHandler::<DisconnectedOverlay>::new(0, cx, |_, cx| {
2210 let theme = &cx.global::<Settings>().theme;
2211 Label::new(
2212 "Your connection to the remote project has been lost.".to_string(),
2213 theme.workspace.disconnected_overlay.text.clone(),
2214 )
2215 .aligned()
2216 .contained()
2217 .with_style(theme.workspace.disconnected_overlay.container)
2218 .boxed()
2219 })
2220 .with_cursor_style(CursorStyle::Arrow)
2221 .capture_all()
2222 .boxed(),
2223 )
2224 } else {
2225 None
2226 }
2227 }
2228
2229 fn render_notifications(&self, theme: &theme::Workspace) -> Option<ElementBox> {
2230 if self.notifications.is_empty() {
2231 None
2232 } else {
2233 Some(
2234 Flex::column()
2235 .with_children(self.notifications.iter().map(|(_, _, notification)| {
2236 ChildView::new(notification.as_ref())
2237 .contained()
2238 .with_style(theme.notification)
2239 .boxed()
2240 }))
2241 .constrained()
2242 .with_width(theme.notifications.width)
2243 .contained()
2244 .with_style(theme.notifications.container)
2245 .aligned()
2246 .bottom()
2247 .right()
2248 .boxed(),
2249 )
2250 }
2251 }
2252
2253 // RPC handlers
2254
2255 async fn handle_follow(
2256 this: ViewHandle<Self>,
2257 envelope: TypedEnvelope<proto::Follow>,
2258 _: Arc<Client>,
2259 mut cx: AsyncAppContext,
2260 ) -> Result<proto::FollowResponse> {
2261 this.update(&mut cx, |this, cx| {
2262 this.leader_state
2263 .followers
2264 .insert(envelope.original_sender_id()?);
2265
2266 let active_view_id = this
2267 .active_item(cx)
2268 .and_then(|i| i.to_followable_item_handle(cx))
2269 .map(|i| i.id() as u64);
2270 Ok(proto::FollowResponse {
2271 active_view_id,
2272 views: this
2273 .panes()
2274 .iter()
2275 .flat_map(|pane| {
2276 let leader_id = this.leader_for_pane(pane).map(|id| id.0);
2277 pane.read(cx).items().filter_map({
2278 let cx = &cx;
2279 move |item| {
2280 let id = item.id() as u64;
2281 let item = item.to_followable_item_handle(cx)?;
2282 let variant = item.to_state_proto(cx)?;
2283 Some(proto::View {
2284 id,
2285 leader_id,
2286 variant: Some(variant),
2287 })
2288 }
2289 })
2290 })
2291 .collect(),
2292 })
2293 })
2294 }
2295
2296 async fn handle_unfollow(
2297 this: ViewHandle<Self>,
2298 envelope: TypedEnvelope<proto::Unfollow>,
2299 _: Arc<Client>,
2300 mut cx: AsyncAppContext,
2301 ) -> Result<()> {
2302 this.update(&mut cx, |this, _| {
2303 this.leader_state
2304 .followers
2305 .remove(&envelope.original_sender_id()?);
2306 Ok(())
2307 })
2308 }
2309
2310 async fn handle_update_followers(
2311 this: ViewHandle<Self>,
2312 envelope: TypedEnvelope<proto::UpdateFollowers>,
2313 _: Arc<Client>,
2314 mut cx: AsyncAppContext,
2315 ) -> Result<()> {
2316 let leader_id = envelope.original_sender_id()?;
2317 match envelope
2318 .payload
2319 .variant
2320 .ok_or_else(|| anyhow!("invalid update"))?
2321 {
2322 proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
2323 this.update(&mut cx, |this, cx| {
2324 this.update_leader_state(leader_id, cx, |state, _| {
2325 state.active_view_id = update_active_view.id;
2326 });
2327 Ok::<_, anyhow::Error>(())
2328 })
2329 }
2330 proto::update_followers::Variant::UpdateView(update_view) => {
2331 this.update(&mut cx, |this, cx| {
2332 let variant = update_view
2333 .variant
2334 .ok_or_else(|| anyhow!("missing update view variant"))?;
2335 this.update_leader_state(leader_id, cx, |state, cx| {
2336 let variant = variant.clone();
2337 match state
2338 .items_by_leader_view_id
2339 .entry(update_view.id)
2340 .or_insert(FollowerItem::Loading(Vec::new()))
2341 {
2342 FollowerItem::Loaded(item) => {
2343 item.apply_update_proto(variant, cx).log_err();
2344 }
2345 FollowerItem::Loading(updates) => updates.push(variant),
2346 }
2347 });
2348 Ok(())
2349 })
2350 }
2351 proto::update_followers::Variant::CreateView(view) => {
2352 let panes = this.read_with(&cx, |this, _| {
2353 this.follower_states_by_leader
2354 .get(&leader_id)
2355 .into_iter()
2356 .flat_map(|states_by_pane| states_by_pane.keys())
2357 .cloned()
2358 .collect()
2359 });
2360 Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
2361 .await?;
2362 Ok(())
2363 }
2364 }
2365 .log_err();
2366
2367 Ok(())
2368 }
2369
2370 async fn add_views_from_leader(
2371 this: ViewHandle<Self>,
2372 leader_id: PeerId,
2373 panes: Vec<ViewHandle<Pane>>,
2374 views: Vec<proto::View>,
2375 cx: &mut AsyncAppContext,
2376 ) -> Result<()> {
2377 let project = this.read_with(cx, |this, _| this.project.clone());
2378 let replica_id = project
2379 .read_with(cx, |project, _| {
2380 project
2381 .collaborators()
2382 .get(&leader_id)
2383 .map(|c| c.replica_id)
2384 })
2385 .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
2386
2387 let item_builders = cx.update(|cx| {
2388 cx.default_global::<FollowableItemBuilders>()
2389 .values()
2390 .map(|b| b.0)
2391 .collect::<Vec<_>>()
2392 });
2393
2394 let mut item_tasks_by_pane = HashMap::default();
2395 for pane in panes {
2396 let mut item_tasks = Vec::new();
2397 let mut leader_view_ids = Vec::new();
2398 for view in &views {
2399 let mut variant = view.variant.clone();
2400 if variant.is_none() {
2401 Err(anyhow!("missing variant"))?;
2402 }
2403 for build_item in &item_builders {
2404 let task =
2405 cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
2406 if let Some(task) = task {
2407 item_tasks.push(task);
2408 leader_view_ids.push(view.id);
2409 break;
2410 } else {
2411 assert!(variant.is_some());
2412 }
2413 }
2414 }
2415
2416 item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
2417 }
2418
2419 for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
2420 let items = futures::future::try_join_all(item_tasks).await?;
2421 this.update(cx, |this, cx| {
2422 let state = this
2423 .follower_states_by_leader
2424 .get_mut(&leader_id)?
2425 .get_mut(&pane)?;
2426
2427 for (id, item) in leader_view_ids.into_iter().zip(items) {
2428 item.set_leader_replica_id(Some(replica_id), cx);
2429 match state.items_by_leader_view_id.entry(id) {
2430 hash_map::Entry::Occupied(e) => {
2431 let e = e.into_mut();
2432 if let FollowerItem::Loading(updates) = e {
2433 for update in updates.drain(..) {
2434 item.apply_update_proto(update, cx)
2435 .context("failed to apply view update")
2436 .log_err();
2437 }
2438 }
2439 *e = FollowerItem::Loaded(item);
2440 }
2441 hash_map::Entry::Vacant(e) => {
2442 e.insert(FollowerItem::Loaded(item));
2443 }
2444 }
2445 }
2446
2447 Some(())
2448 });
2449 }
2450 this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
2451
2452 Ok(())
2453 }
2454
2455 fn update_followers(
2456 &self,
2457 update: proto::update_followers::Variant,
2458 cx: &AppContext,
2459 ) -> Option<()> {
2460 let project_id = self.project.read(cx).remote_id()?;
2461 if !self.leader_state.followers.is_empty() {
2462 self.client
2463 .send(proto::UpdateFollowers {
2464 project_id,
2465 follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
2466 variant: Some(update),
2467 })
2468 .log_err();
2469 }
2470 None
2471 }
2472
2473 pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
2474 self.follower_states_by_leader
2475 .iter()
2476 .find_map(|(leader_id, state)| {
2477 if state.contains_key(pane) {
2478 Some(*leader_id)
2479 } else {
2480 None
2481 }
2482 })
2483 }
2484
2485 fn update_leader_state(
2486 &mut self,
2487 leader_id: PeerId,
2488 cx: &mut ViewContext<Self>,
2489 mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
2490 ) {
2491 for (_, state) in self
2492 .follower_states_by_leader
2493 .get_mut(&leader_id)
2494 .into_iter()
2495 .flatten()
2496 {
2497 update_fn(state, cx);
2498 }
2499 self.leader_updated(leader_id, cx);
2500 }
2501
2502 fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
2503 let mut items_to_add = Vec::new();
2504 for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
2505 if let Some(FollowerItem::Loaded(item)) = state
2506 .active_view_id
2507 .and_then(|id| state.items_by_leader_view_id.get(&id))
2508 {
2509 items_to_add.push((pane.clone(), item.boxed_clone()));
2510 }
2511 }
2512
2513 for (pane, item) in items_to_add {
2514 Pane::add_item(self, &pane, item.boxed_clone(), false, false, None, cx);
2515 if pane == self.active_pane {
2516 pane.update(cx, |pane, cx| pane.focus_active_item(cx));
2517 }
2518 cx.notify();
2519 }
2520 None
2521 }
2522
2523 pub fn on_window_activation_changed(&mut self, active: bool, cx: &mut ViewContext<Self>) {
2524 if !active {
2525 for pane in &self.panes {
2526 pane.update(cx, |pane, cx| {
2527 if let Some(item) = pane.active_item() {
2528 item.workspace_deactivated(cx);
2529 }
2530 if matches!(
2531 cx.global::<Settings>().autosave,
2532 Autosave::OnWindowChange | Autosave::OnFocusChange
2533 ) {
2534 for item in pane.items() {
2535 Pane::autosave_item(item.as_ref(), self.project.clone(), cx)
2536 .detach_and_log_err(cx);
2537 }
2538 }
2539 });
2540 }
2541 }
2542 }
2543}
2544
2545impl Entity for Workspace {
2546 type Event = Event;
2547}
2548
2549impl View for Workspace {
2550 fn ui_name() -> &'static str {
2551 "Workspace"
2552 }
2553
2554 fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
2555 let theme = cx.global::<Settings>().theme.clone();
2556 Stack::new()
2557 .with_child(
2558 Flex::column()
2559 .with_child(self.render_titlebar(&theme, cx))
2560 .with_child(
2561 Stack::new()
2562 .with_child({
2563 let project = self.project.clone();
2564 Flex::row()
2565 .with_children(
2566 if self.left_sidebar.read(cx).active_item().is_some() {
2567 Some(
2568 ChildView::new(&self.left_sidebar)
2569 .flex(0.8, false)
2570 .boxed(),
2571 )
2572 } else {
2573 None
2574 },
2575 )
2576 .with_child(
2577 FlexItem::new(
2578 Flex::column()
2579 .with_child(
2580 FlexItem::new(self.center.render(
2581 &project,
2582 &theme,
2583 &self.follower_states_by_leader,
2584 self.active_call.as_ref(),
2585 cx,
2586 ))
2587 .flex(1., true)
2588 .boxed(),
2589 )
2590 .with_children(self.dock.render(
2591 &theme,
2592 DockAnchor::Bottom,
2593 cx,
2594 ))
2595 .boxed(),
2596 )
2597 .flex(1., true)
2598 .boxed(),
2599 )
2600 .with_children(self.dock.render(&theme, DockAnchor::Right, cx))
2601 .with_children(
2602 if self.right_sidebar.read(cx).active_item().is_some() {
2603 Some(
2604 ChildView::new(&self.right_sidebar)
2605 .flex(0.8, false)
2606 .boxed(),
2607 )
2608 } else {
2609 None
2610 },
2611 )
2612 .boxed()
2613 })
2614 .with_child(
2615 Overlay::new(
2616 Stack::new()
2617 .with_children(self.dock.render(
2618 &theme,
2619 DockAnchor::Expanded,
2620 cx,
2621 ))
2622 .with_children(self.modal.as_ref().map(|m| {
2623 ChildView::new(m)
2624 .contained()
2625 .with_style(theme.workspace.modal)
2626 .aligned()
2627 .top()
2628 .boxed()
2629 }))
2630 .with_children(self.render_notifications(&theme.workspace))
2631 .boxed(),
2632 )
2633 .boxed(),
2634 )
2635 .flex(1.0, true)
2636 .boxed(),
2637 )
2638 .with_child(ChildView::new(&self.status_bar).boxed())
2639 .contained()
2640 .with_background_color(theme.workspace.background)
2641 .boxed(),
2642 )
2643 .with_children(DragAndDrop::render(cx))
2644 .with_children(self.render_disconnected_overlay(cx))
2645 .named("workspace")
2646 }
2647
2648 fn on_focus_in(&mut self, view: AnyViewHandle, cx: &mut ViewContext<Self>) {
2649 if cx.is_self_focused() {
2650 cx.focus(&self.active_pane);
2651 } else {
2652 for pane in self.panes() {
2653 let view = view.clone();
2654 if pane.update(cx, |_, cx| cx.is_child(view)) {
2655 self.handle_pane_focused(pane.clone(), cx);
2656 break;
2657 }
2658 }
2659 }
2660 }
2661
2662 fn keymap_context(&self, _: &AppContext) -> gpui::keymap::Context {
2663 let mut keymap = Self::default_keymap_context();
2664 if self.active_pane() == self.dock_pane() {
2665 keymap.set.insert("Dock".into());
2666 }
2667 keymap
2668 }
2669}
2670
2671pub trait WorkspaceHandle {
2672 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
2673}
2674
2675impl WorkspaceHandle for ViewHandle<Workspace> {
2676 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
2677 self.read(cx)
2678 .worktrees(cx)
2679 .flat_map(|worktree| {
2680 let worktree_id = worktree.read(cx).id();
2681 worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
2682 worktree_id,
2683 path: f.path.clone(),
2684 })
2685 })
2686 .collect::<Vec<_>>()
2687 }
2688}
2689
2690impl std::fmt::Debug for OpenPaths {
2691 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
2692 f.debug_struct("OpenPaths")
2693 .field("paths", &self.paths)
2694 .finish()
2695 }
2696}
2697
2698fn open(_: &Open, cx: &mut MutableAppContext) {
2699 let mut paths = cx.prompt_for_paths(PathPromptOptions {
2700 files: true,
2701 directories: true,
2702 multiple: true,
2703 });
2704 cx.spawn(|mut cx| async move {
2705 if let Some(paths) = paths.recv().await.flatten() {
2706 cx.update(|cx| cx.dispatch_global_action(OpenPaths { paths }));
2707 }
2708 })
2709 .detach();
2710}
2711
2712pub struct WorkspaceCreated(WeakViewHandle<Workspace>);
2713
2714pub fn activate_workspace_for_project(
2715 cx: &mut MutableAppContext,
2716 predicate: impl Fn(&mut Project, &mut ModelContext<Project>) -> bool,
2717) -> Option<ViewHandle<Workspace>> {
2718 for window_id in cx.window_ids().collect::<Vec<_>>() {
2719 if let Some(workspace_handle) = cx.root_view::<Workspace>(window_id) {
2720 let project = workspace_handle.read(cx).project.clone();
2721 if project.update(cx, &predicate) {
2722 cx.activate_window(window_id);
2723 return Some(workspace_handle);
2724 }
2725 }
2726 }
2727 None
2728}
2729
2730#[allow(clippy::type_complexity)]
2731pub fn open_paths(
2732 abs_paths: &[PathBuf],
2733 app_state: &Arc<AppState>,
2734 cx: &mut MutableAppContext,
2735) -> Task<(
2736 ViewHandle<Workspace>,
2737 Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
2738)> {
2739 log::info!("open paths {:?}", abs_paths);
2740
2741 // Open paths in existing workspace if possible
2742 let existing =
2743 activate_workspace_for_project(cx, |project, cx| project.contains_paths(abs_paths, cx));
2744
2745 let app_state = app_state.clone();
2746 let abs_paths = abs_paths.to_vec();
2747 cx.spawn(|mut cx| async move {
2748 let mut new_project = None;
2749 let workspace = if let Some(existing) = existing {
2750 existing
2751 } else {
2752 let contains_directory =
2753 futures::future::join_all(abs_paths.iter().map(|path| app_state.fs.is_file(path)))
2754 .await
2755 .contains(&false);
2756
2757 cx.add_window((app_state.build_window_options)(), |cx| {
2758 let project = Project::local(
2759 app_state.client.clone(),
2760 app_state.user_store.clone(),
2761 app_state.project_store.clone(),
2762 app_state.languages.clone(),
2763 app_state.fs.clone(),
2764 cx,
2765 );
2766 new_project = Some(project.clone());
2767 let mut workspace = Workspace::new(project, app_state.default_item_factory, cx);
2768 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
2769 if contains_directory {
2770 workspace.toggle_sidebar(SidebarSide::Left, cx);
2771 }
2772 workspace
2773 })
2774 .1
2775 };
2776
2777 let items = workspace
2778 .update(&mut cx, |workspace, cx| {
2779 workspace.open_paths(abs_paths, true, cx)
2780 })
2781 .await;
2782
2783 (workspace, items)
2784 })
2785}
2786
2787fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
2788 let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
2789 let mut workspace = Workspace::new(
2790 Project::local(
2791 app_state.client.clone(),
2792 app_state.user_store.clone(),
2793 app_state.project_store.clone(),
2794 app_state.languages.clone(),
2795 app_state.fs.clone(),
2796 cx,
2797 ),
2798 app_state.default_item_factory,
2799 cx,
2800 );
2801 (app_state.initialize_workspace)(&mut workspace, app_state, cx);
2802 workspace
2803 });
2804 cx.dispatch_action_at(window_id, workspace.id(), NewFile);
2805}
2806
2807#[cfg(test)]
2808mod tests {
2809 use std::cell::Cell;
2810
2811 use crate::sidebar::SidebarItem;
2812
2813 use super::*;
2814 use gpui::{executor::Deterministic, ModelHandle, TestAppContext, ViewContext};
2815 use project::{FakeFs, Project, ProjectEntryId};
2816 use serde_json::json;
2817
2818 pub fn default_item_factory(
2819 _workspace: &mut Workspace,
2820 _cx: &mut ViewContext<Workspace>,
2821 ) -> Box<dyn ItemHandle> {
2822 unimplemented!();
2823 }
2824
2825 #[gpui::test]
2826 async fn test_tab_disambiguation(cx: &mut TestAppContext) {
2827 cx.foreground().forbid_parking();
2828 Settings::test_async(cx);
2829
2830 let fs = FakeFs::new(cx.background());
2831 let project = Project::test(fs, [], cx).await;
2832 let (_, workspace) =
2833 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2834
2835 // Adding an item with no ambiguity renders the tab without detail.
2836 let item1 = cx.add_view(&workspace, |_| {
2837 let mut item = TestItem::new();
2838 item.tab_descriptions = Some(vec!["c", "b1/c", "a/b1/c"]);
2839 item
2840 });
2841 workspace.update(cx, |workspace, cx| {
2842 workspace.add_item(Box::new(item1.clone()), cx);
2843 });
2844 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), None));
2845
2846 // Adding an item that creates ambiguity increases the level of detail on
2847 // both tabs.
2848 let item2 = cx.add_view(&workspace, |_| {
2849 let mut item = TestItem::new();
2850 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
2851 item
2852 });
2853 workspace.update(cx, |workspace, cx| {
2854 workspace.add_item(Box::new(item2.clone()), cx);
2855 });
2856 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2857 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2858
2859 // Adding an item that creates ambiguity increases the level of detail only
2860 // on the ambiguous tabs. In this case, the ambiguity can't be resolved so
2861 // we stop at the highest detail available.
2862 let item3 = cx.add_view(&workspace, |_| {
2863 let mut item = TestItem::new();
2864 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
2865 item
2866 });
2867 workspace.update(cx, |workspace, cx| {
2868 workspace.add_item(Box::new(item3.clone()), cx);
2869 });
2870 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2871 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
2872 item3.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
2873 }
2874
2875 #[gpui::test]
2876 async fn test_tracking_active_path(cx: &mut TestAppContext) {
2877 cx.foreground().forbid_parking();
2878 Settings::test_async(cx);
2879 let fs = FakeFs::new(cx.background());
2880 fs.insert_tree(
2881 "/root1",
2882 json!({
2883 "one.txt": "",
2884 "two.txt": "",
2885 }),
2886 )
2887 .await;
2888 fs.insert_tree(
2889 "/root2",
2890 json!({
2891 "three.txt": "",
2892 }),
2893 )
2894 .await;
2895
2896 let project = Project::test(fs, ["root1".as_ref()], cx).await;
2897 let (window_id, workspace) =
2898 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2899 let worktree_id = project.read_with(cx, |project, cx| {
2900 project.worktrees(cx).next().unwrap().read(cx).id()
2901 });
2902
2903 let item1 = cx.add_view(&workspace, |_| {
2904 let mut item = TestItem::new();
2905 item.project_path = Some((worktree_id, "one.txt").into());
2906 item
2907 });
2908 let item2 = cx.add_view(&workspace, |_| {
2909 let mut item = TestItem::new();
2910 item.project_path = Some((worktree_id, "two.txt").into());
2911 item
2912 });
2913
2914 // Add an item to an empty pane
2915 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item1), cx));
2916 project.read_with(cx, |project, cx| {
2917 assert_eq!(
2918 project.active_entry(),
2919 project
2920 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
2921 .map(|e| e.id)
2922 );
2923 });
2924 assert_eq!(
2925 cx.current_window_title(window_id).as_deref(),
2926 Some("one.txt — root1")
2927 );
2928
2929 // Add a second item to a non-empty pane
2930 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item2), cx));
2931 assert_eq!(
2932 cx.current_window_title(window_id).as_deref(),
2933 Some("two.txt — root1")
2934 );
2935 project.read_with(cx, |project, cx| {
2936 assert_eq!(
2937 project.active_entry(),
2938 project
2939 .entry_for_path(&(worktree_id, "two.txt").into(), cx)
2940 .map(|e| e.id)
2941 );
2942 });
2943
2944 // Close the active item
2945 workspace
2946 .update(cx, |workspace, cx| {
2947 Pane::close_active_item(workspace, &Default::default(), cx).unwrap()
2948 })
2949 .await
2950 .unwrap();
2951 assert_eq!(
2952 cx.current_window_title(window_id).as_deref(),
2953 Some("one.txt — root1")
2954 );
2955 project.read_with(cx, |project, cx| {
2956 assert_eq!(
2957 project.active_entry(),
2958 project
2959 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
2960 .map(|e| e.id)
2961 );
2962 });
2963
2964 // Add a project folder
2965 project
2966 .update(cx, |project, cx| {
2967 project.find_or_create_local_worktree("/root2", true, cx)
2968 })
2969 .await
2970 .unwrap();
2971 assert_eq!(
2972 cx.current_window_title(window_id).as_deref(),
2973 Some("one.txt — root1, root2")
2974 );
2975
2976 // Remove a project folder
2977 project.update(cx, |project, cx| {
2978 project.remove_worktree(worktree_id, cx);
2979 });
2980 assert_eq!(
2981 cx.current_window_title(window_id).as_deref(),
2982 Some("one.txt — root2")
2983 );
2984 }
2985
2986 #[gpui::test]
2987 async fn test_close_window(cx: &mut TestAppContext) {
2988 cx.foreground().forbid_parking();
2989 Settings::test_async(cx);
2990 let fs = FakeFs::new(cx.background());
2991 fs.insert_tree("/root", json!({ "one": "" })).await;
2992
2993 let project = Project::test(fs, ["root".as_ref()], cx).await;
2994 let (window_id, workspace) =
2995 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2996
2997 // When there are no dirty items, there's nothing to do.
2998 let item1 = cx.add_view(&workspace, |_| TestItem::new());
2999 workspace.update(cx, |w, cx| w.add_item(Box::new(item1.clone()), cx));
3000 let task = workspace.update(cx, |w, cx| w.prepare_to_close(false, cx));
3001 assert!(task.await.unwrap());
3002
3003 // When there are dirty untitled items, prompt to save each one. If the user
3004 // cancels any prompt, then abort.
3005 let item2 = cx.add_view(&workspace, |_| {
3006 let mut item = TestItem::new();
3007 item.is_dirty = true;
3008 item
3009 });
3010 let item3 = cx.add_view(&workspace, |_| {
3011 let mut item = TestItem::new();
3012 item.is_dirty = true;
3013 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3014 item
3015 });
3016 workspace.update(cx, |w, cx| {
3017 w.add_item(Box::new(item2.clone()), cx);
3018 w.add_item(Box::new(item3.clone()), cx);
3019 });
3020 let task = workspace.update(cx, |w, cx| w.prepare_to_close(false, cx));
3021 cx.foreground().run_until_parked();
3022 cx.simulate_prompt_answer(window_id, 2 /* cancel */);
3023 cx.foreground().run_until_parked();
3024 assert!(!cx.has_pending_prompt(window_id));
3025 assert!(!task.await.unwrap());
3026 }
3027
3028 #[gpui::test]
3029 async fn test_close_pane_items(cx: &mut TestAppContext) {
3030 cx.foreground().forbid_parking();
3031 Settings::test_async(cx);
3032 let fs = FakeFs::new(cx.background());
3033
3034 let project = Project::test(fs, None, cx).await;
3035 let (window_id, workspace) =
3036 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3037
3038 let item1 = cx.add_view(&workspace, |_| {
3039 let mut item = TestItem::new();
3040 item.is_dirty = true;
3041 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3042 item
3043 });
3044 let item2 = cx.add_view(&workspace, |_| {
3045 let mut item = TestItem::new();
3046 item.is_dirty = true;
3047 item.has_conflict = true;
3048 item.project_entry_ids = vec![ProjectEntryId::from_proto(2)];
3049 item
3050 });
3051 let item3 = cx.add_view(&workspace, |_| {
3052 let mut item = TestItem::new();
3053 item.is_dirty = true;
3054 item.has_conflict = true;
3055 item.project_entry_ids = vec![ProjectEntryId::from_proto(3)];
3056 item
3057 });
3058 let item4 = cx.add_view(&workspace, |_| {
3059 let mut item = TestItem::new();
3060 item.is_dirty = true;
3061 item
3062 });
3063 let pane = workspace.update(cx, |workspace, cx| {
3064 workspace.add_item(Box::new(item1.clone()), cx);
3065 workspace.add_item(Box::new(item2.clone()), cx);
3066 workspace.add_item(Box::new(item3.clone()), cx);
3067 workspace.add_item(Box::new(item4.clone()), cx);
3068 workspace.active_pane().clone()
3069 });
3070
3071 let close_items = workspace.update(cx, |workspace, cx| {
3072 pane.update(cx, |pane, cx| {
3073 pane.activate_item(1, true, true, cx);
3074 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3075 });
3076
3077 let item1_id = item1.id();
3078 let item3_id = item3.id();
3079 let item4_id = item4.id();
3080 Pane::close_items(workspace, pane.clone(), cx, move |id| {
3081 [item1_id, item3_id, item4_id].contains(&id)
3082 })
3083 });
3084
3085 cx.foreground().run_until_parked();
3086 pane.read_with(cx, |pane, _| {
3087 assert_eq!(pane.items().count(), 4);
3088 assert_eq!(pane.active_item().unwrap().id(), item1.id());
3089 });
3090
3091 cx.simulate_prompt_answer(window_id, 0);
3092 cx.foreground().run_until_parked();
3093 pane.read_with(cx, |pane, cx| {
3094 assert_eq!(item1.read(cx).save_count, 1);
3095 assert_eq!(item1.read(cx).save_as_count, 0);
3096 assert_eq!(item1.read(cx).reload_count, 0);
3097 assert_eq!(pane.items().count(), 3);
3098 assert_eq!(pane.active_item().unwrap().id(), item3.id());
3099 });
3100
3101 cx.simulate_prompt_answer(window_id, 1);
3102 cx.foreground().run_until_parked();
3103 pane.read_with(cx, |pane, cx| {
3104 assert_eq!(item3.read(cx).save_count, 0);
3105 assert_eq!(item3.read(cx).save_as_count, 0);
3106 assert_eq!(item3.read(cx).reload_count, 1);
3107 assert_eq!(pane.items().count(), 2);
3108 assert_eq!(pane.active_item().unwrap().id(), item4.id());
3109 });
3110
3111 cx.simulate_prompt_answer(window_id, 0);
3112 cx.foreground().run_until_parked();
3113 cx.simulate_new_path_selection(|_| Some(Default::default()));
3114 close_items.await.unwrap();
3115 pane.read_with(cx, |pane, cx| {
3116 assert_eq!(item4.read(cx).save_count, 0);
3117 assert_eq!(item4.read(cx).save_as_count, 1);
3118 assert_eq!(item4.read(cx).reload_count, 0);
3119 assert_eq!(pane.items().count(), 1);
3120 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3121 });
3122 }
3123
3124 #[gpui::test]
3125 async fn test_prompting_to_save_only_on_last_item_for_entry(cx: &mut TestAppContext) {
3126 cx.foreground().forbid_parking();
3127 Settings::test_async(cx);
3128 let fs = FakeFs::new(cx.background());
3129
3130 let project = Project::test(fs, [], cx).await;
3131 let (window_id, workspace) =
3132 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3133
3134 // Create several workspace items with single project entries, and two
3135 // workspace items with multiple project entries.
3136 let single_entry_items = (0..=4)
3137 .map(|project_entry_id| {
3138 let mut item = TestItem::new();
3139 item.is_dirty = true;
3140 item.project_entry_ids = vec![ProjectEntryId::from_proto(project_entry_id)];
3141 item.is_singleton = true;
3142 item
3143 })
3144 .collect::<Vec<_>>();
3145 let item_2_3 = {
3146 let mut item = TestItem::new();
3147 item.is_dirty = true;
3148 item.is_singleton = false;
3149 item.project_entry_ids =
3150 vec![ProjectEntryId::from_proto(2), ProjectEntryId::from_proto(3)];
3151 item
3152 };
3153 let item_3_4 = {
3154 let mut item = TestItem::new();
3155 item.is_dirty = true;
3156 item.is_singleton = false;
3157 item.project_entry_ids =
3158 vec![ProjectEntryId::from_proto(3), ProjectEntryId::from_proto(4)];
3159 item
3160 };
3161
3162 // Create two panes that contain the following project entries:
3163 // left pane:
3164 // multi-entry items: (2, 3)
3165 // single-entry items: 0, 1, 2, 3, 4
3166 // right pane:
3167 // single-entry items: 1
3168 // multi-entry items: (3, 4)
3169 let left_pane = workspace.update(cx, |workspace, cx| {
3170 let left_pane = workspace.active_pane().clone();
3171 workspace.add_item(Box::new(cx.add_view(|_| item_2_3.clone())), cx);
3172 for item in &single_entry_items {
3173 workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
3174 }
3175 left_pane.update(cx, |pane, cx| {
3176 pane.activate_item(2, true, true, cx);
3177 });
3178
3179 workspace
3180 .split_pane(left_pane.clone(), SplitDirection::Right, cx)
3181 .unwrap();
3182
3183 left_pane
3184 });
3185
3186 //Need to cause an effect flush in order to respect new focus
3187 workspace.update(cx, |workspace, cx| {
3188 workspace.add_item(Box::new(cx.add_view(|_| item_3_4.clone())), cx);
3189 cx.focus(left_pane.clone());
3190 });
3191
3192 // When closing all of the items in the left pane, we should be prompted twice:
3193 // once for project entry 0, and once for project entry 2. After those two
3194 // prompts, the task should complete.
3195
3196 let close = workspace.update(cx, |workspace, cx| {
3197 Pane::close_items(workspace, left_pane.clone(), cx, |_| true)
3198 });
3199
3200 cx.foreground().run_until_parked();
3201 left_pane.read_with(cx, |pane, cx| {
3202 assert_eq!(
3203 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3204 &[ProjectEntryId::from_proto(0)]
3205 );
3206 });
3207 cx.simulate_prompt_answer(window_id, 0);
3208
3209 cx.foreground().run_until_parked();
3210 left_pane.read_with(cx, |pane, cx| {
3211 assert_eq!(
3212 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3213 &[ProjectEntryId::from_proto(2)]
3214 );
3215 });
3216 cx.simulate_prompt_answer(window_id, 0);
3217
3218 cx.foreground().run_until_parked();
3219 close.await.unwrap();
3220 left_pane.read_with(cx, |pane, _| {
3221 assert_eq!(pane.items().count(), 0);
3222 });
3223 }
3224
3225 #[gpui::test]
3226 async fn test_autosave(deterministic: Arc<Deterministic>, cx: &mut gpui::TestAppContext) {
3227 deterministic.forbid_parking();
3228
3229 Settings::test_async(cx);
3230 let fs = FakeFs::new(cx.background());
3231
3232 let project = Project::test(fs, [], cx).await;
3233 let (window_id, workspace) =
3234 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3235
3236 let item = cx.add_view(&workspace, |_| {
3237 let mut item = TestItem::new();
3238 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3239 item
3240 });
3241 let item_id = item.id();
3242 workspace.update(cx, |workspace, cx| {
3243 workspace.add_item(Box::new(item.clone()), cx);
3244 });
3245
3246 // Autosave on window change.
3247 item.update(cx, |item, cx| {
3248 cx.update_global(|settings: &mut Settings, _| {
3249 settings.autosave = Autosave::OnWindowChange;
3250 });
3251 item.is_dirty = true;
3252 });
3253
3254 // Deactivating the window saves the file.
3255 cx.simulate_window_activation(None);
3256 deterministic.run_until_parked();
3257 item.read_with(cx, |item, _| assert_eq!(item.save_count, 1));
3258
3259 // Autosave on focus change.
3260 item.update(cx, |item, cx| {
3261 cx.focus_self();
3262 cx.update_global(|settings: &mut Settings, _| {
3263 settings.autosave = Autosave::OnFocusChange;
3264 });
3265 item.is_dirty = true;
3266 });
3267
3268 // Blurring the item saves the file.
3269 item.update(cx, |_, cx| cx.blur());
3270 deterministic.run_until_parked();
3271 item.read_with(cx, |item, _| assert_eq!(item.save_count, 2));
3272
3273 // Deactivating the window still saves the file.
3274 cx.simulate_window_activation(Some(window_id));
3275 item.update(cx, |item, cx| {
3276 cx.focus_self();
3277 item.is_dirty = true;
3278 });
3279 cx.simulate_window_activation(None);
3280
3281 deterministic.run_until_parked();
3282 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3283
3284 // Autosave after delay.
3285 item.update(cx, |item, cx| {
3286 cx.update_global(|settings: &mut Settings, _| {
3287 settings.autosave = Autosave::AfterDelay { milliseconds: 500 };
3288 });
3289 item.is_dirty = true;
3290 cx.emit(TestItemEvent::Edit);
3291 });
3292
3293 // Delay hasn't fully expired, so the file is still dirty and unsaved.
3294 deterministic.advance_clock(Duration::from_millis(250));
3295 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3296
3297 // After delay expires, the file is saved.
3298 deterministic.advance_clock(Duration::from_millis(250));
3299 item.read_with(cx, |item, _| assert_eq!(item.save_count, 4));
3300
3301 // Autosave on focus change, ensuring closing the tab counts as such.
3302 item.update(cx, |item, cx| {
3303 cx.update_global(|settings: &mut Settings, _| {
3304 settings.autosave = Autosave::OnFocusChange;
3305 });
3306 item.is_dirty = true;
3307 });
3308
3309 workspace
3310 .update(cx, |workspace, cx| {
3311 let pane = workspace.active_pane().clone();
3312 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3313 })
3314 .await
3315 .unwrap();
3316 assert!(!cx.has_pending_prompt(window_id));
3317 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3318
3319 // Add the item again, ensuring autosave is prevented if the underlying file has been deleted.
3320 workspace.update(cx, |workspace, cx| {
3321 workspace.add_item(Box::new(item.clone()), cx);
3322 });
3323 item.update(cx, |item, cx| {
3324 item.project_entry_ids = Default::default();
3325 item.is_dirty = true;
3326 cx.blur();
3327 });
3328 deterministic.run_until_parked();
3329 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3330
3331 // Ensure autosave is prevented for deleted files also when closing the buffer.
3332 let _close_items = workspace.update(cx, |workspace, cx| {
3333 let pane = workspace.active_pane().clone();
3334 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3335 });
3336 deterministic.run_until_parked();
3337 assert!(cx.has_pending_prompt(window_id));
3338 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3339 }
3340
3341 #[gpui::test]
3342 async fn test_pane_navigation(
3343 deterministic: Arc<Deterministic>,
3344 cx: &mut gpui::TestAppContext,
3345 ) {
3346 deterministic.forbid_parking();
3347 Settings::test_async(cx);
3348 let fs = FakeFs::new(cx.background());
3349
3350 let project = Project::test(fs, [], cx).await;
3351 let (_, workspace) = cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3352
3353 let item = cx.add_view(&workspace, |_| {
3354 let mut item = TestItem::new();
3355 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3356 item
3357 });
3358 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3359 let toolbar = pane.read_with(cx, |pane, _| pane.toolbar().clone());
3360 let toolbar_notify_count = Rc::new(RefCell::new(0));
3361
3362 workspace.update(cx, |workspace, cx| {
3363 workspace.add_item(Box::new(item.clone()), cx);
3364 let toolbar_notification_count = toolbar_notify_count.clone();
3365 cx.observe(&toolbar, move |_, _, _| {
3366 *toolbar_notification_count.borrow_mut() += 1
3367 })
3368 .detach();
3369 });
3370
3371 pane.read_with(cx, |pane, _| {
3372 assert!(!pane.can_navigate_backward());
3373 assert!(!pane.can_navigate_forward());
3374 });
3375
3376 item.update(cx, |item, cx| {
3377 item.set_state("one".to_string(), cx);
3378 });
3379
3380 // Toolbar must be notified to re-render the navigation buttons
3381 assert_eq!(*toolbar_notify_count.borrow(), 1);
3382
3383 pane.read_with(cx, |pane, _| {
3384 assert!(pane.can_navigate_backward());
3385 assert!(!pane.can_navigate_forward());
3386 });
3387
3388 workspace
3389 .update(cx, |workspace, cx| {
3390 Pane::go_back(workspace, Some(pane.clone()), cx)
3391 })
3392 .await;
3393
3394 assert_eq!(*toolbar_notify_count.borrow(), 3);
3395 pane.read_with(cx, |pane, _| {
3396 assert!(!pane.can_navigate_backward());
3397 assert!(pane.can_navigate_forward());
3398 });
3399 }
3400
3401 pub struct TestItem {
3402 state: String,
3403 pub label: String,
3404 save_count: usize,
3405 save_as_count: usize,
3406 reload_count: usize,
3407 is_dirty: bool,
3408 is_singleton: bool,
3409 has_conflict: bool,
3410 project_entry_ids: Vec<ProjectEntryId>,
3411 project_path: Option<ProjectPath>,
3412 nav_history: Option<ItemNavHistory>,
3413 tab_descriptions: Option<Vec<&'static str>>,
3414 tab_detail: Cell<Option<usize>>,
3415 }
3416
3417 pub enum TestItemEvent {
3418 Edit,
3419 }
3420
3421 impl Clone for TestItem {
3422 fn clone(&self) -> Self {
3423 Self {
3424 state: self.state.clone(),
3425 label: self.label.clone(),
3426 save_count: self.save_count,
3427 save_as_count: self.save_as_count,
3428 reload_count: self.reload_count,
3429 is_dirty: self.is_dirty,
3430 is_singleton: self.is_singleton,
3431 has_conflict: self.has_conflict,
3432 project_entry_ids: self.project_entry_ids.clone(),
3433 project_path: self.project_path.clone(),
3434 nav_history: None,
3435 tab_descriptions: None,
3436 tab_detail: Default::default(),
3437 }
3438 }
3439 }
3440
3441 impl TestItem {
3442 pub fn new() -> Self {
3443 Self {
3444 state: String::new(),
3445 label: String::new(),
3446 save_count: 0,
3447 save_as_count: 0,
3448 reload_count: 0,
3449 is_dirty: false,
3450 has_conflict: false,
3451 project_entry_ids: Vec::new(),
3452 project_path: None,
3453 is_singleton: true,
3454 nav_history: None,
3455 tab_descriptions: None,
3456 tab_detail: Default::default(),
3457 }
3458 }
3459
3460 pub fn with_label(mut self, state: &str) -> Self {
3461 self.label = state.to_string();
3462 self
3463 }
3464
3465 pub fn with_singleton(mut self, singleton: bool) -> Self {
3466 self.is_singleton = singleton;
3467 self
3468 }
3469
3470 pub fn with_project_entry_ids(mut self, project_entry_ids: &[u64]) -> Self {
3471 self.project_entry_ids.extend(
3472 project_entry_ids
3473 .iter()
3474 .copied()
3475 .map(ProjectEntryId::from_proto),
3476 );
3477 self
3478 }
3479
3480 fn set_state(&mut self, state: String, cx: &mut ViewContext<Self>) {
3481 self.push_to_nav_history(cx);
3482 self.state = state;
3483 }
3484
3485 fn push_to_nav_history(&mut self, cx: &mut ViewContext<Self>) {
3486 if let Some(history) = &mut self.nav_history {
3487 history.push(Some(Box::new(self.state.clone())), cx);
3488 }
3489 }
3490 }
3491
3492 impl Entity for TestItem {
3493 type Event = TestItemEvent;
3494 }
3495
3496 impl View for TestItem {
3497 fn ui_name() -> &'static str {
3498 "TestItem"
3499 }
3500
3501 fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
3502 Empty::new().boxed()
3503 }
3504 }
3505
3506 impl Item for TestItem {
3507 fn tab_description<'a>(&'a self, detail: usize, _: &'a AppContext) -> Option<Cow<'a, str>> {
3508 self.tab_descriptions.as_ref().and_then(|descriptions| {
3509 let description = *descriptions.get(detail).or_else(|| descriptions.last())?;
3510 Some(description.into())
3511 })
3512 }
3513
3514 fn tab_content(&self, detail: Option<usize>, _: &theme::Tab, _: &AppContext) -> ElementBox {
3515 self.tab_detail.set(detail);
3516 Empty::new().boxed()
3517 }
3518
3519 fn project_path(&self, _: &AppContext) -> Option<ProjectPath> {
3520 self.project_path.clone()
3521 }
3522
3523 fn project_entry_ids(&self, _: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
3524 self.project_entry_ids.iter().copied().collect()
3525 }
3526
3527 fn is_singleton(&self, _: &AppContext) -> bool {
3528 self.is_singleton
3529 }
3530
3531 fn set_nav_history(&mut self, history: ItemNavHistory, _: &mut ViewContext<Self>) {
3532 self.nav_history = Some(history);
3533 }
3534
3535 fn navigate(&mut self, state: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
3536 let state = *state.downcast::<String>().unwrap_or_default();
3537 if state != self.state {
3538 self.state = state;
3539 true
3540 } else {
3541 false
3542 }
3543 }
3544
3545 fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
3546 self.push_to_nav_history(cx);
3547 }
3548
3549 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
3550 where
3551 Self: Sized,
3552 {
3553 Some(self.clone())
3554 }
3555
3556 fn is_dirty(&self, _: &AppContext) -> bool {
3557 self.is_dirty
3558 }
3559
3560 fn has_conflict(&self, _: &AppContext) -> bool {
3561 self.has_conflict
3562 }
3563
3564 fn can_save(&self, _: &AppContext) -> bool {
3565 !self.project_entry_ids.is_empty()
3566 }
3567
3568 fn save(
3569 &mut self,
3570 _: ModelHandle<Project>,
3571 _: &mut ViewContext<Self>,
3572 ) -> Task<anyhow::Result<()>> {
3573 self.save_count += 1;
3574 self.is_dirty = false;
3575 Task::ready(Ok(()))
3576 }
3577
3578 fn save_as(
3579 &mut self,
3580 _: ModelHandle<Project>,
3581 _: std::path::PathBuf,
3582 _: &mut ViewContext<Self>,
3583 ) -> Task<anyhow::Result<()>> {
3584 self.save_as_count += 1;
3585 self.is_dirty = false;
3586 Task::ready(Ok(()))
3587 }
3588
3589 fn reload(
3590 &mut self,
3591 _: ModelHandle<Project>,
3592 _: &mut ViewContext<Self>,
3593 ) -> Task<anyhow::Result<()>> {
3594 self.reload_count += 1;
3595 self.is_dirty = false;
3596 Task::ready(Ok(()))
3597 }
3598
3599 fn to_item_events(_: &Self::Event) -> Vec<ItemEvent> {
3600 vec![ItemEvent::UpdateTab, ItemEvent::Edit]
3601 }
3602 }
3603
3604 impl SidebarItem for TestItem {}
3605}