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