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;
13mod waiting_room;
14
15use anyhow::{anyhow, Context, Result};
16use client::{
17 proto, Authenticate, Client, Contact, PeerId, Subscription, TypedEnvelope, User, UserStore,
18};
19use clock::ReplicaId;
20use collections::{hash_map, HashMap, HashSet};
21use dock::{DefaultItemFactory, Dock, ToggleDockButton};
22use drag_and_drop::DragAndDrop;
23use futures::{channel::oneshot, FutureExt};
24use gpui::{
25 actions,
26 color::Color,
27 elements::*,
28 geometry::{rect::RectF, vector::vec2f, PathBuilder},
29 impl_actions, impl_internal_actions,
30 json::{self, ToJson},
31 platform::{CursorStyle, WindowOptions},
32 AnyModelHandle, AnyViewHandle, AppContext, AsyncAppContext, Border, Entity, ImageData,
33 ModelContext, ModelHandle, MouseButton, MutableAppContext, PathPromptOptions, PromptLevel,
34 RenderContext, Task, View, ViewContext, ViewHandle, WeakViewHandle,
35};
36use language::LanguageRegistry;
37use log::error;
38pub use pane::*;
39pub use pane_group::*;
40use postage::prelude::Stream;
41use project::{fs, Fs, Project, ProjectEntryId, ProjectPath, ProjectStore, Worktree, WorktreeId};
42use searchable::SearchableItemHandle;
43use serde::Deserialize;
44use settings::{Autosave, DockAnchor, Settings};
45use sidebar::{Side, Sidebar, SidebarButtons, ToggleSidebarItem};
46use smallvec::SmallVec;
47use status_bar::StatusBar;
48pub use status_bar::StatusItemView;
49use std::{
50 any::{Any, TypeId},
51 borrow::Cow,
52 cell::RefCell,
53 fmt,
54 future::Future,
55 mem,
56 ops::Range,
57 path::{Path, PathBuf},
58 rc::Rc,
59 sync::{
60 atomic::{AtomicBool, Ordering::SeqCst},
61 Arc,
62 },
63 time::Duration,
64};
65use theme::{Theme, ThemeRegistry};
66pub use toolbar::{ToolbarItemLocation, ToolbarItemView};
67use util::ResultExt;
68use waiting_room::WaitingRoom;
69
70type ProjectItemBuilders = HashMap<
71 TypeId,
72 fn(ModelHandle<Project>, AnyModelHandle, &mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
73>;
74
75type FollowableItemBuilder = fn(
76 ViewHandle<Pane>,
77 ModelHandle<Project>,
78 &mut Option<proto::view::Variant>,
79 &mut MutableAppContext,
80) -> Option<Task<Result<Box<dyn FollowableItemHandle>>>>;
81type FollowableItemBuilders = HashMap<
82 TypeId,
83 (
84 FollowableItemBuilder,
85 fn(AnyViewHandle) -> Box<dyn FollowableItemHandle>,
86 ),
87>;
88
89#[derive(Clone, PartialEq)]
90pub struct RemoveWorktreeFromProject(pub WorktreeId);
91
92actions!(
93 workspace,
94 [
95 Open,
96 NewFile,
97 NewWindow,
98 CloseWindow,
99 AddFolderToProject,
100 Unfollow,
101 Save,
102 SaveAs,
103 SaveAll,
104 ActivatePreviousPane,
105 ActivateNextPane,
106 FollowNextCollaborator,
107 ToggleLeftSidebar,
108 ToggleRightSidebar,
109 NewTerminal,
110 NewSearch
111 ]
112);
113
114#[derive(Clone, PartialEq)]
115pub struct OpenPaths {
116 pub paths: Vec<PathBuf>,
117}
118
119#[derive(Clone, Deserialize, PartialEq)]
120pub struct ToggleProjectOnline {
121 #[serde(skip_deserializing)]
122 pub project: Option<ModelHandle<Project>>,
123}
124
125#[derive(Clone, Deserialize, PartialEq)]
126pub struct ActivatePane(pub usize);
127
128#[derive(Clone, PartialEq)]
129pub struct ToggleFollow(pub PeerId);
130
131#[derive(Clone, PartialEq)]
132pub struct JoinProject {
133 pub contact: Arc<Contact>,
134 pub project_index: usize,
135}
136
137impl_internal_actions!(
138 workspace,
139 [
140 OpenPaths,
141 ToggleFollow,
142 JoinProject,
143 RemoveWorktreeFromProject
144 ]
145);
146impl_actions!(workspace, [ToggleProjectOnline, ActivatePane]);
147
148pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
149 pane::init(cx);
150 dock::init(cx);
151
152 cx.add_global_action(open);
153 cx.add_global_action({
154 let app_state = Arc::downgrade(&app_state);
155 move |action: &OpenPaths, cx: &mut MutableAppContext| {
156 if let Some(app_state) = app_state.upgrade() {
157 open_paths(&action.paths, &app_state, cx).detach();
158 }
159 }
160 });
161 cx.add_global_action({
162 let app_state = Arc::downgrade(&app_state);
163 move |_: &NewFile, cx: &mut MutableAppContext| {
164 if let Some(app_state) = app_state.upgrade() {
165 open_new(&app_state, cx)
166 }
167 }
168 });
169 cx.add_global_action({
170 let app_state = Arc::downgrade(&app_state);
171 move |_: &NewWindow, cx: &mut MutableAppContext| {
172 if let Some(app_state) = app_state.upgrade() {
173 open_new(&app_state, cx)
174 }
175 }
176 });
177 cx.add_global_action({
178 let app_state = Arc::downgrade(&app_state);
179 move |action: &JoinProject, cx: &mut MutableAppContext| {
180 if let Some(app_state) = app_state.upgrade() {
181 join_project(action.contact.clone(), action.project_index, &app_state, cx);
182 }
183 }
184 });
185
186 cx.add_async_action(Workspace::toggle_follow);
187 cx.add_async_action(Workspace::follow_next_collaborator);
188 cx.add_async_action(Workspace::close);
189 cx.add_async_action(Workspace::save_all);
190 cx.add_action(Workspace::add_folder_to_project);
191 cx.add_action(Workspace::remove_folder_from_project);
192 cx.add_action(Workspace::toggle_project_online);
193 cx.add_action(
194 |workspace: &mut Workspace, _: &Unfollow, cx: &mut ViewContext<Workspace>| {
195 let pane = workspace.active_pane().clone();
196 workspace.unfollow(&pane, cx);
197 },
198 );
199 cx.add_action(
200 |workspace: &mut Workspace, _: &Save, cx: &mut ViewContext<Workspace>| {
201 workspace.save_active_item(false, cx).detach_and_log_err(cx);
202 },
203 );
204 cx.add_action(
205 |workspace: &mut Workspace, _: &SaveAs, cx: &mut ViewContext<Workspace>| {
206 workspace.save_active_item(true, cx).detach_and_log_err(cx);
207 },
208 );
209 cx.add_action(Workspace::toggle_sidebar_item);
210 cx.add_action(Workspace::focus_center);
211 cx.add_action(|workspace: &mut Workspace, _: &ActivatePreviousPane, cx| {
212 workspace.activate_previous_pane(cx)
213 });
214 cx.add_action(|workspace: &mut Workspace, _: &ActivateNextPane, cx| {
215 workspace.activate_next_pane(cx)
216 });
217 cx.add_action(|workspace: &mut Workspace, _: &ToggleLeftSidebar, cx| {
218 workspace.toggle_sidebar(Side::Left, cx);
219 });
220 cx.add_action(|workspace: &mut Workspace, _: &ToggleRightSidebar, cx| {
221 workspace.toggle_sidebar(Side::Right, cx);
222 });
223 cx.add_action(Workspace::activate_pane_at_index);
224
225 let client = &app_state.client;
226 client.add_view_request_handler(Workspace::handle_follow);
227 client.add_view_message_handler(Workspace::handle_unfollow);
228 client.add_view_message_handler(Workspace::handle_update_followers);
229}
230
231pub fn register_project_item<I: ProjectItem>(cx: &mut MutableAppContext) {
232 cx.update_default_global(|builders: &mut ProjectItemBuilders, _| {
233 builders.insert(TypeId::of::<I::Item>(), |project, model, cx| {
234 let item = model.downcast::<I::Item>().unwrap();
235 Box::new(cx.add_view(|cx| I::for_project_item(project, item, cx)))
236 });
237 });
238}
239
240pub fn register_followable_item<I: FollowableItem>(cx: &mut MutableAppContext) {
241 cx.update_default_global(|builders: &mut FollowableItemBuilders, _| {
242 builders.insert(
243 TypeId::of::<I>(),
244 (
245 |pane, project, state, cx| {
246 I::from_state_proto(pane, project, state, cx).map(|task| {
247 cx.foreground()
248 .spawn(async move { Ok(Box::new(task.await?) as Box<_>) })
249 })
250 },
251 |this| Box::new(this.downcast::<I>().unwrap()),
252 ),
253 );
254 });
255}
256
257pub struct AppState {
258 pub languages: Arc<LanguageRegistry>,
259 pub themes: Arc<ThemeRegistry>,
260 pub client: Arc<client::Client>,
261 pub user_store: ModelHandle<client::UserStore>,
262 pub project_store: ModelHandle<ProjectStore>,
263 pub fs: Arc<dyn fs::Fs>,
264 pub build_window_options: fn() -> WindowOptions<'static>,
265 pub initialize_workspace: fn(&mut Workspace, &Arc<AppState>, &mut ViewContext<Workspace>),
266 pub default_item_factory: DefaultItemFactory,
267}
268
269#[derive(Eq, PartialEq, Hash)]
270pub enum ItemEvent {
271 CloseItem,
272 UpdateTab,
273 UpdateBreadcrumbs,
274 Edit,
275}
276
277pub trait Item: View {
278 fn deactivated(&mut self, _: &mut ViewContext<Self>) {}
279 fn workspace_deactivated(&mut self, _: &mut ViewContext<Self>) {}
280 fn navigate(&mut self, _: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
281 false
282 }
283 fn tab_description<'a>(&'a self, _: usize, _: &'a AppContext) -> Option<Cow<'a, str>> {
284 None
285 }
286 fn tab_content(&self, detail: Option<usize>, style: &theme::Tab, cx: &AppContext)
287 -> ElementBox;
288 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
289 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
290 fn is_singleton(&self, cx: &AppContext) -> bool;
291 fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>);
292 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
293 where
294 Self: Sized,
295 {
296 None
297 }
298 fn is_dirty(&self, _: &AppContext) -> bool {
299 false
300 }
301 fn has_conflict(&self, _: &AppContext) -> bool {
302 false
303 }
304 fn can_save(&self, cx: &AppContext) -> bool;
305 fn save(
306 &mut self,
307 project: ModelHandle<Project>,
308 cx: &mut ViewContext<Self>,
309 ) -> Task<Result<()>>;
310 fn save_as(
311 &mut self,
312 project: ModelHandle<Project>,
313 abs_path: PathBuf,
314 cx: &mut ViewContext<Self>,
315 ) -> Task<Result<()>>;
316 fn reload(
317 &mut self,
318 project: ModelHandle<Project>,
319 cx: &mut ViewContext<Self>,
320 ) -> Task<Result<()>>;
321 fn to_item_events(event: &Self::Event) -> Vec<ItemEvent>;
322 fn act_as_type(
323 &self,
324 type_id: TypeId,
325 self_handle: &ViewHandle<Self>,
326 _: &AppContext,
327 ) -> Option<AnyViewHandle> {
328 if TypeId::of::<Self>() == type_id {
329 Some(self_handle.into())
330 } else {
331 None
332 }
333 }
334 fn as_searchable(&self, _: &ViewHandle<Self>) -> Option<Box<dyn SearchableItemHandle>> {
335 None
336 }
337
338 fn breadcrumb_location(&self) -> ToolbarItemLocation {
339 ToolbarItemLocation::Hidden
340 }
341 fn breadcrumbs(&self, _theme: &Theme, _cx: &AppContext) -> Option<Vec<ElementBox>> {
342 None
343 }
344}
345
346pub trait ProjectItem: Item {
347 type Item: project::Item;
348
349 fn for_project_item(
350 project: ModelHandle<Project>,
351 item: ModelHandle<Self::Item>,
352 cx: &mut ViewContext<Self>,
353 ) -> Self;
354}
355
356pub trait FollowableItem: Item {
357 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
358 fn from_state_proto(
359 pane: ViewHandle<Pane>,
360 project: ModelHandle<Project>,
361 state: &mut Option<proto::view::Variant>,
362 cx: &mut MutableAppContext,
363 ) -> Option<Task<Result<ViewHandle<Self>>>>;
364 fn add_event_to_update_proto(
365 &self,
366 event: &Self::Event,
367 update: &mut Option<proto::update_view::Variant>,
368 cx: &AppContext,
369 ) -> bool;
370 fn apply_update_proto(
371 &mut self,
372 message: proto::update_view::Variant,
373 cx: &mut ViewContext<Self>,
374 ) -> Result<()>;
375
376 fn set_leader_replica_id(&mut self, leader_replica_id: Option<u16>, cx: &mut ViewContext<Self>);
377 fn should_unfollow_on_event(event: &Self::Event, cx: &AppContext) -> bool;
378}
379
380pub trait FollowableItemHandle: ItemHandle {
381 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext);
382 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
383 fn add_event_to_update_proto(
384 &self,
385 event: &dyn Any,
386 update: &mut Option<proto::update_view::Variant>,
387 cx: &AppContext,
388 ) -> bool;
389 fn apply_update_proto(
390 &self,
391 message: proto::update_view::Variant,
392 cx: &mut MutableAppContext,
393 ) -> Result<()>;
394 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool;
395}
396
397impl<T: FollowableItem> FollowableItemHandle for ViewHandle<T> {
398 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext) {
399 self.update(cx, |this, cx| {
400 this.set_leader_replica_id(leader_replica_id, cx)
401 })
402 }
403
404 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant> {
405 self.read(cx).to_state_proto(cx)
406 }
407
408 fn add_event_to_update_proto(
409 &self,
410 event: &dyn Any,
411 update: &mut Option<proto::update_view::Variant>,
412 cx: &AppContext,
413 ) -> bool {
414 if let Some(event) = event.downcast_ref() {
415 self.read(cx).add_event_to_update_proto(event, update, cx)
416 } else {
417 false
418 }
419 }
420
421 fn apply_update_proto(
422 &self,
423 message: proto::update_view::Variant,
424 cx: &mut MutableAppContext,
425 ) -> Result<()> {
426 self.update(cx, |this, cx| this.apply_update_proto(message, cx))
427 }
428
429 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool {
430 if let Some(event) = event.downcast_ref() {
431 T::should_unfollow_on_event(event, cx)
432 } else {
433 false
434 }
435 }
436}
437
438pub trait ItemHandle: 'static + fmt::Debug {
439 fn subscribe_to_item_events(
440 &self,
441 cx: &mut MutableAppContext,
442 handler: Box<dyn Fn(ItemEvent, &mut MutableAppContext)>,
443 ) -> gpui::Subscription;
444 fn tab_description<'a>(&self, detail: usize, cx: &'a AppContext) -> Option<Cow<'a, str>>;
445 fn tab_content(&self, detail: Option<usize>, style: &theme::Tab, cx: &AppContext)
446 -> ElementBox;
447 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
448 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
449 fn is_singleton(&self, cx: &AppContext) -> bool;
450 fn boxed_clone(&self) -> Box<dyn ItemHandle>;
451 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>>;
452 fn added_to_pane(
453 &self,
454 workspace: &mut Workspace,
455 pane: ViewHandle<Pane>,
456 cx: &mut ViewContext<Workspace>,
457 );
458 fn deactivated(&self, cx: &mut MutableAppContext);
459 fn workspace_deactivated(&self, cx: &mut MutableAppContext);
460 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool;
461 fn id(&self) -> usize;
462 fn window_id(&self) -> usize;
463 fn to_any(&self) -> AnyViewHandle;
464 fn is_dirty(&self, cx: &AppContext) -> bool;
465 fn has_conflict(&self, cx: &AppContext) -> bool;
466 fn can_save(&self, cx: &AppContext) -> bool;
467 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>>;
468 fn save_as(
469 &self,
470 project: ModelHandle<Project>,
471 abs_path: PathBuf,
472 cx: &mut MutableAppContext,
473 ) -> Task<Result<()>>;
474 fn reload(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext)
475 -> Task<Result<()>>;
476 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle>;
477 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>>;
478 fn on_release(
479 &self,
480 cx: &mut MutableAppContext,
481 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
482 ) -> gpui::Subscription;
483 fn to_searchable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn SearchableItemHandle>>;
484 fn breadcrumb_location(&self, cx: &AppContext) -> ToolbarItemLocation;
485 fn breadcrumbs(&self, theme: &Theme, cx: &AppContext) -> Option<Vec<ElementBox>>;
486}
487
488pub trait WeakItemHandle {
489 fn id(&self) -> usize;
490 fn window_id(&self) -> usize;
491 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>>;
492}
493
494impl dyn ItemHandle {
495 pub fn downcast<T: View>(&self) -> Option<ViewHandle<T>> {
496 self.to_any().downcast()
497 }
498
499 pub fn act_as<T: View>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
500 self.act_as_type(TypeId::of::<T>(), cx)
501 .and_then(|t| t.downcast())
502 }
503}
504
505impl<T: Item> ItemHandle for ViewHandle<T> {
506 fn subscribe_to_item_events(
507 &self,
508 cx: &mut MutableAppContext,
509 handler: Box<dyn Fn(ItemEvent, &mut MutableAppContext)>,
510 ) -> gpui::Subscription {
511 cx.subscribe(self, move |_, event, cx| {
512 for item_event in T::to_item_events(event) {
513 handler(item_event, cx)
514 }
515 })
516 }
517
518 fn tab_description<'a>(&self, detail: usize, cx: &'a AppContext) -> Option<Cow<'a, str>> {
519 self.read(cx).tab_description(detail, cx)
520 }
521
522 fn tab_content(
523 &self,
524 detail: Option<usize>,
525 style: &theme::Tab,
526 cx: &AppContext,
527 ) -> ElementBox {
528 self.read(cx).tab_content(detail, style, cx)
529 }
530
531 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
532 self.read(cx).project_path(cx)
533 }
534
535 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
536 self.read(cx).project_entry_ids(cx)
537 }
538
539 fn is_singleton(&self, cx: &AppContext) -> bool {
540 self.read(cx).is_singleton(cx)
541 }
542
543 fn boxed_clone(&self) -> Box<dyn ItemHandle> {
544 Box::new(self.clone())
545 }
546
547 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>> {
548 self.update(cx, |item, cx| {
549 cx.add_option_view(|cx| item.clone_on_split(cx))
550 })
551 .map(|handle| Box::new(handle) as Box<dyn ItemHandle>)
552 }
553
554 fn added_to_pane(
555 &self,
556 workspace: &mut Workspace,
557 pane: ViewHandle<Pane>,
558 cx: &mut ViewContext<Workspace>,
559 ) {
560 let history = pane.read(cx).nav_history_for_item(self);
561 self.update(cx, |this, cx| this.set_nav_history(history, cx));
562
563 if let Some(followed_item) = self.to_followable_item_handle(cx) {
564 if let Some(message) = followed_item.to_state_proto(cx) {
565 workspace.update_followers(
566 proto::update_followers::Variant::CreateView(proto::View {
567 id: followed_item.id() as u64,
568 variant: Some(message),
569 leader_id: workspace.leader_for_pane(&pane).map(|id| id.0),
570 }),
571 cx,
572 );
573 }
574 }
575
576 if workspace
577 .panes_by_item
578 .insert(self.id(), pane.downgrade())
579 .is_none()
580 {
581 let mut pending_autosave = None;
582 let mut cancel_pending_autosave = oneshot::channel::<()>().0;
583 let pending_update = Rc::new(RefCell::new(None));
584 let pending_update_scheduled = Rc::new(AtomicBool::new(false));
585
586 let mut event_subscription =
587 Some(cx.subscribe(self, move |workspace, item, event, cx| {
588 let pane = if let Some(pane) = workspace
589 .panes_by_item
590 .get(&item.id())
591 .and_then(|pane| pane.upgrade(cx))
592 {
593 pane
594 } else {
595 log::error!("unexpected item event after pane was dropped");
596 return;
597 };
598
599 if let Some(item) = item.to_followable_item_handle(cx) {
600 let leader_id = workspace.leader_for_pane(&pane);
601
602 if leader_id.is_some() && item.should_unfollow_on_event(event, cx) {
603 workspace.unfollow(&pane, cx);
604 }
605
606 if item.add_event_to_update_proto(
607 event,
608 &mut *pending_update.borrow_mut(),
609 cx,
610 ) && !pending_update_scheduled.load(SeqCst)
611 {
612 pending_update_scheduled.store(true, SeqCst);
613 cx.after_window_update({
614 let pending_update = pending_update.clone();
615 let pending_update_scheduled = pending_update_scheduled.clone();
616 move |this, cx| {
617 pending_update_scheduled.store(false, SeqCst);
618 this.update_followers(
619 proto::update_followers::Variant::UpdateView(
620 proto::UpdateView {
621 id: item.id() as u64,
622 variant: pending_update.borrow_mut().take(),
623 leader_id: leader_id.map(|id| id.0),
624 },
625 ),
626 cx,
627 );
628 }
629 });
630 }
631 }
632
633 for item_event in T::to_item_events(event).into_iter() {
634 match item_event {
635 ItemEvent::CloseItem => {
636 Pane::close_item(workspace, pane, item.id(), cx)
637 .detach_and_log_err(cx);
638 return;
639 }
640 ItemEvent::UpdateTab => {
641 pane.update(cx, |_, cx| {
642 cx.emit(pane::Event::ChangeItemTitle);
643 cx.notify();
644 });
645 }
646 ItemEvent::Edit => {
647 if let Autosave::AfterDelay { milliseconds } =
648 cx.global::<Settings>().autosave
649 {
650 let prev_autosave = pending_autosave
651 .take()
652 .unwrap_or_else(|| Task::ready(Some(())));
653 let (cancel_tx, mut cancel_rx) = oneshot::channel::<()>();
654 let prev_cancel_tx =
655 mem::replace(&mut cancel_pending_autosave, cancel_tx);
656 let project = workspace.project.downgrade();
657 let _ = prev_cancel_tx.send(());
658 let item = item.clone();
659 pending_autosave =
660 Some(cx.spawn_weak(|_, mut cx| async move {
661 let mut timer = cx
662 .background()
663 .timer(Duration::from_millis(milliseconds))
664 .fuse();
665 prev_autosave.await;
666 futures::select_biased! {
667 _ = cancel_rx => return None,
668 _ = timer => {}
669 }
670
671 let project = project.upgrade(&cx)?;
672 cx.update(|cx| Pane::autosave_item(&item, project, cx))
673 .await
674 .log_err();
675 None
676 }));
677 }
678 }
679 _ => {}
680 }
681 }
682 }));
683
684 cx.observe_focus(self, move |workspace, item, focused, cx| {
685 if !focused && cx.global::<Settings>().autosave == Autosave::OnFocusChange {
686 Pane::autosave_item(&item, workspace.project.clone(), cx)
687 .detach_and_log_err(cx);
688 }
689 })
690 .detach();
691
692 let item_id = self.id();
693 cx.observe_release(self, move |workspace, _, _| {
694 workspace.panes_by_item.remove(&item_id);
695 event_subscription.take();
696 })
697 .detach();
698 }
699 }
700
701 fn deactivated(&self, cx: &mut MutableAppContext) {
702 self.update(cx, |this, cx| this.deactivated(cx));
703 }
704
705 fn workspace_deactivated(&self, cx: &mut MutableAppContext) {
706 self.update(cx, |this, cx| this.workspace_deactivated(cx));
707 }
708
709 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool {
710 self.update(cx, |this, cx| this.navigate(data, cx))
711 }
712
713 fn id(&self) -> usize {
714 self.id()
715 }
716
717 fn window_id(&self) -> usize {
718 self.window_id()
719 }
720
721 fn to_any(&self) -> AnyViewHandle {
722 self.into()
723 }
724
725 fn is_dirty(&self, cx: &AppContext) -> bool {
726 self.read(cx).is_dirty(cx)
727 }
728
729 fn has_conflict(&self, cx: &AppContext) -> bool {
730 self.read(cx).has_conflict(cx)
731 }
732
733 fn can_save(&self, cx: &AppContext) -> bool {
734 self.read(cx).can_save(cx)
735 }
736
737 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>> {
738 self.update(cx, |item, cx| item.save(project, cx))
739 }
740
741 fn save_as(
742 &self,
743 project: ModelHandle<Project>,
744 abs_path: PathBuf,
745 cx: &mut MutableAppContext,
746 ) -> Task<anyhow::Result<()>> {
747 self.update(cx, |item, cx| item.save_as(project, abs_path, cx))
748 }
749
750 fn reload(
751 &self,
752 project: ModelHandle<Project>,
753 cx: &mut MutableAppContext,
754 ) -> Task<Result<()>> {
755 self.update(cx, |item, cx| item.reload(project, cx))
756 }
757
758 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle> {
759 self.read(cx).act_as_type(type_id, self, cx)
760 }
761
762 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>> {
763 if cx.has_global::<FollowableItemBuilders>() {
764 let builders = cx.global::<FollowableItemBuilders>();
765 let item = self.to_any();
766 Some(builders.get(&item.view_type())?.1(item))
767 } else {
768 None
769 }
770 }
771
772 fn on_release(
773 &self,
774 cx: &mut MutableAppContext,
775 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
776 ) -> gpui::Subscription {
777 cx.observe_release(self, move |_, cx| callback(cx))
778 }
779
780 fn to_searchable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn SearchableItemHandle>> {
781 self.read(cx).as_searchable(self)
782 }
783
784 fn breadcrumb_location(&self, cx: &AppContext) -> ToolbarItemLocation {
785 self.read(cx).breadcrumb_location()
786 }
787
788 fn breadcrumbs(&self, theme: &Theme, cx: &AppContext) -> Option<Vec<ElementBox>> {
789 self.read(cx).breadcrumbs(theme, cx)
790 }
791}
792
793impl From<Box<dyn ItemHandle>> for AnyViewHandle {
794 fn from(val: Box<dyn ItemHandle>) -> Self {
795 val.to_any()
796 }
797}
798
799impl From<&Box<dyn ItemHandle>> for AnyViewHandle {
800 fn from(val: &Box<dyn ItemHandle>) -> Self {
801 val.to_any()
802 }
803}
804
805impl Clone for Box<dyn ItemHandle> {
806 fn clone(&self) -> Box<dyn ItemHandle> {
807 self.boxed_clone()
808 }
809}
810
811impl<T: Item> WeakItemHandle for WeakViewHandle<T> {
812 fn id(&self) -> usize {
813 self.id()
814 }
815
816 fn window_id(&self) -> usize {
817 self.window_id()
818 }
819
820 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
821 self.upgrade(cx).map(|v| Box::new(v) as Box<dyn ItemHandle>)
822 }
823}
824
825pub trait Notification: View {
826 fn should_dismiss_notification_on_event(&self, event: &<Self as Entity>::Event) -> bool;
827}
828
829pub trait NotificationHandle {
830 fn id(&self) -> usize;
831 fn to_any(&self) -> AnyViewHandle;
832}
833
834impl<T: Notification> NotificationHandle for ViewHandle<T> {
835 fn id(&self) -> usize {
836 self.id()
837 }
838
839 fn to_any(&self) -> AnyViewHandle {
840 self.into()
841 }
842}
843
844impl From<&dyn NotificationHandle> for AnyViewHandle {
845 fn from(val: &dyn NotificationHandle) -> Self {
846 val.to_any()
847 }
848}
849
850impl AppState {
851 #[cfg(any(test, feature = "test-support"))]
852 pub fn test(cx: &mut MutableAppContext) -> Arc<Self> {
853 let settings = Settings::test(cx);
854 cx.set_global(settings);
855
856 let fs = project::FakeFs::new(cx.background().clone());
857 let languages = Arc::new(LanguageRegistry::test());
858 let http_client = client::test::FakeHttpClient::with_404_response();
859 let client = Client::new(http_client.clone());
860 let project_store = cx.add_model(|_| ProjectStore::new(project::Db::open_fake()));
861 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
862 let themes = ThemeRegistry::new((), cx.font_cache().clone());
863 Arc::new(Self {
864 client,
865 themes,
866 fs,
867 languages,
868 user_store,
869 project_store,
870 initialize_workspace: |_, _, _| {},
871 build_window_options: Default::default,
872 default_item_factory: |_, _| unimplemented!(),
873 })
874 }
875}
876
877pub enum Event {
878 PaneAdded(ViewHandle<Pane>),
879 ContactRequestedJoin(u64),
880}
881
882pub struct Workspace {
883 weak_self: WeakViewHandle<Self>,
884 client: Arc<Client>,
885 user_store: ModelHandle<client::UserStore>,
886 remote_entity_subscription: Option<Subscription>,
887 fs: Arc<dyn Fs>,
888 modal: Option<AnyViewHandle>,
889 center: PaneGroup,
890 left_sidebar: ViewHandle<Sidebar>,
891 right_sidebar: ViewHandle<Sidebar>,
892 panes: Vec<ViewHandle<Pane>>,
893 panes_by_item: HashMap<usize, WeakViewHandle<Pane>>,
894 active_pane: ViewHandle<Pane>,
895 last_active_center_pane: Option<ViewHandle<Pane>>,
896 status_bar: ViewHandle<StatusBar>,
897 dock: Dock,
898 notifications: Vec<(TypeId, usize, Box<dyn NotificationHandle>)>,
899 project: ModelHandle<Project>,
900 leader_state: LeaderState,
901 follower_states_by_leader: FollowerStatesByLeader,
902 last_leaders_by_pane: HashMap<WeakViewHandle<Pane>, PeerId>,
903 window_edited: bool,
904 _observe_current_user: Task<()>,
905}
906
907#[derive(Default)]
908struct LeaderState {
909 followers: HashSet<PeerId>,
910}
911
912type FollowerStatesByLeader = HashMap<PeerId, HashMap<ViewHandle<Pane>, FollowerState>>;
913
914#[derive(Default)]
915struct FollowerState {
916 active_view_id: Option<u64>,
917 items_by_leader_view_id: HashMap<u64, FollowerItem>,
918}
919
920#[derive(Debug)]
921enum FollowerItem {
922 Loading(Vec<proto::update_view::Variant>),
923 Loaded(Box<dyn FollowableItemHandle>),
924}
925
926impl Workspace {
927 pub fn new(
928 project: ModelHandle<Project>,
929 dock_default_factory: DefaultItemFactory,
930 cx: &mut ViewContext<Self>,
931 ) -> Self {
932 cx.observe_fullscreen(|_, _, cx| cx.notify()).detach();
933
934 cx.observe_window_activation(Self::on_window_activation_changed)
935 .detach();
936 cx.observe(&project, |_, _, cx| cx.notify()).detach();
937 cx.subscribe(&project, move |this, _, event, cx| {
938 match event {
939 project::Event::RemoteIdChanged(remote_id) => {
940 this.project_remote_id_changed(*remote_id, cx);
941 }
942 project::Event::CollaboratorLeft(peer_id) => {
943 this.collaborator_left(*peer_id, cx);
944 }
945 project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded => {
946 this.update_window_title(cx);
947 }
948 project::Event::DisconnectedFromHost => {
949 this.update_window_edited(cx);
950 cx.blur();
951 }
952 _ => {}
953 }
954 cx.notify()
955 })
956 .detach();
957
958 let center_pane = cx.add_view(|cx| Pane::new(false, cx));
959 let pane_id = center_pane.id();
960 cx.subscribe(¢er_pane, move |this, _, event, cx| {
961 this.handle_pane_event(pane_id, event, cx)
962 })
963 .detach();
964 cx.focus(¢er_pane);
965 cx.emit(Event::PaneAdded(center_pane.clone()));
966
967 let fs = project.read(cx).fs().clone();
968 let user_store = project.read(cx).user_store();
969 let client = project.read(cx).client();
970 let mut current_user = user_store.read(cx).watch_current_user();
971 let mut connection_status = client.status();
972 let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
973 current_user.recv().await;
974 connection_status.recv().await;
975 let mut stream =
976 Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
977
978 while stream.recv().await.is_some() {
979 cx.update(|cx| {
980 if let Some(this) = this.upgrade(cx) {
981 this.update(cx, |_, cx| cx.notify());
982 }
983 })
984 }
985 });
986
987 let weak_self = cx.weak_handle();
988 cx.emit_global(WorkspaceCreated(weak_self.clone()));
989
990 let dock = Dock::new(cx, dock_default_factory);
991 let dock_pane = dock.pane().clone();
992
993 let left_sidebar = cx.add_view(|_| Sidebar::new(Side::Left));
994 let right_sidebar = cx.add_view(|_| Sidebar::new(Side::Right));
995 let left_sidebar_buttons = cx.add_view(|cx| SidebarButtons::new(left_sidebar.clone(), cx));
996 let toggle_dock = cx.add_view(|cx| ToggleDockButton::new(weak_self.clone(), cx));
997 let right_sidebar_buttons =
998 cx.add_view(|cx| SidebarButtons::new(right_sidebar.clone(), cx));
999 let status_bar = cx.add_view(|cx| {
1000 let mut status_bar = StatusBar::new(¢er_pane.clone(), cx);
1001 status_bar.add_left_item(left_sidebar_buttons, cx);
1002 status_bar.add_right_item(right_sidebar_buttons, cx);
1003 status_bar.add_right_item(toggle_dock, cx);
1004 status_bar
1005 });
1006
1007 cx.update_default_global::<DragAndDrop<Workspace>, _, _>(|drag_and_drop, _| {
1008 drag_and_drop.register_container(weak_self.clone());
1009 });
1010
1011 let mut this = Workspace {
1012 modal: None,
1013 weak_self,
1014 center: PaneGroup::new(center_pane.clone()),
1015 dock,
1016 panes: vec![center_pane.clone(), dock_pane],
1017 panes_by_item: Default::default(),
1018 active_pane: center_pane.clone(),
1019 last_active_center_pane: Some(center_pane.clone()),
1020 status_bar,
1021 notifications: Default::default(),
1022 client,
1023 remote_entity_subscription: None,
1024 user_store,
1025 fs,
1026 left_sidebar,
1027 right_sidebar,
1028 project,
1029 leader_state: Default::default(),
1030 follower_states_by_leader: Default::default(),
1031 last_leaders_by_pane: Default::default(),
1032 window_edited: false,
1033 _observe_current_user,
1034 };
1035 this.project_remote_id_changed(this.project.read(cx).remote_id(), cx);
1036 cx.defer(|this, cx| this.update_window_title(cx));
1037
1038 this
1039 }
1040
1041 pub fn weak_handle(&self) -> WeakViewHandle<Self> {
1042 self.weak_self.clone()
1043 }
1044
1045 pub fn left_sidebar(&self) -> &ViewHandle<Sidebar> {
1046 &self.left_sidebar
1047 }
1048
1049 pub fn right_sidebar(&self) -> &ViewHandle<Sidebar> {
1050 &self.right_sidebar
1051 }
1052
1053 pub fn status_bar(&self) -> &ViewHandle<StatusBar> {
1054 &self.status_bar
1055 }
1056
1057 pub fn user_store(&self) -> &ModelHandle<UserStore> {
1058 &self.user_store
1059 }
1060
1061 pub fn project(&self) -> &ModelHandle<Project> {
1062 &self.project
1063 }
1064
1065 /// Call the given callback with a workspace whose project is local.
1066 ///
1067 /// If the given workspace has a local project, then it will be passed
1068 /// to the callback. Otherwise, a new empty window will be created.
1069 pub fn with_local_workspace<T, F>(
1070 &mut self,
1071 cx: &mut ViewContext<Self>,
1072 app_state: Arc<AppState>,
1073 callback: F,
1074 ) -> T
1075 where
1076 T: 'static,
1077 F: FnOnce(&mut Workspace, &mut ViewContext<Workspace>) -> T,
1078 {
1079 if self.project.read(cx).is_local() {
1080 callback(self, cx)
1081 } else {
1082 let (_, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
1083 let mut workspace = Workspace::new(
1084 Project::local(
1085 false,
1086 app_state.client.clone(),
1087 app_state.user_store.clone(),
1088 app_state.project_store.clone(),
1089 app_state.languages.clone(),
1090 app_state.fs.clone(),
1091 cx,
1092 ),
1093 app_state.default_item_factory,
1094 cx,
1095 );
1096 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
1097 workspace
1098 });
1099 workspace.update(cx, callback)
1100 }
1101 }
1102
1103 pub fn worktrees<'a>(
1104 &self,
1105 cx: &'a AppContext,
1106 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1107 self.project.read(cx).worktrees(cx)
1108 }
1109
1110 pub fn visible_worktrees<'a>(
1111 &self,
1112 cx: &'a AppContext,
1113 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1114 self.project.read(cx).visible_worktrees(cx)
1115 }
1116
1117 pub fn worktree_scans_complete(&self, cx: &AppContext) -> impl Future<Output = ()> + 'static {
1118 let futures = self
1119 .worktrees(cx)
1120 .filter_map(|worktree| worktree.read(cx).as_local())
1121 .map(|worktree| worktree.scan_complete())
1122 .collect::<Vec<_>>();
1123 async move {
1124 for future in futures {
1125 future.await;
1126 }
1127 }
1128 }
1129
1130 pub fn close(
1131 &mut self,
1132 _: &CloseWindow,
1133 cx: &mut ViewContext<Self>,
1134 ) -> Option<Task<Result<()>>> {
1135 let prepare = self.prepare_to_close(cx);
1136 Some(cx.spawn(|this, mut cx| async move {
1137 if prepare.await? {
1138 this.update(&mut cx, |_, cx| {
1139 let window_id = cx.window_id();
1140 cx.remove_window(window_id);
1141 });
1142 }
1143 Ok(())
1144 }))
1145 }
1146
1147 pub fn prepare_to_close(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<bool>> {
1148 self.save_all_internal(true, cx)
1149 }
1150
1151 fn save_all(&mut self, _: &SaveAll, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
1152 let save_all = self.save_all_internal(false, cx);
1153 Some(cx.foreground().spawn(async move {
1154 save_all.await?;
1155 Ok(())
1156 }))
1157 }
1158
1159 fn save_all_internal(
1160 &mut self,
1161 should_prompt_to_save: bool,
1162 cx: &mut ViewContext<Self>,
1163 ) -> Task<Result<bool>> {
1164 if self.project.read(cx).is_read_only() {
1165 return Task::ready(Ok(true));
1166 }
1167
1168 let dirty_items = self
1169 .panes
1170 .iter()
1171 .flat_map(|pane| {
1172 pane.read(cx).items().filter_map(|item| {
1173 if item.is_dirty(cx) {
1174 Some((pane.clone(), item.boxed_clone()))
1175 } else {
1176 None
1177 }
1178 })
1179 })
1180 .collect::<Vec<_>>();
1181
1182 let project = self.project.clone();
1183 cx.spawn_weak(|_, mut cx| async move {
1184 for (pane, item) in dirty_items {
1185 let (singleton, project_entry_ids) =
1186 cx.read(|cx| (item.is_singleton(cx), item.project_entry_ids(cx)));
1187 if singleton || !project_entry_ids.is_empty() {
1188 if let Some(ix) =
1189 pane.read_with(&cx, |pane, _| pane.index_for_item(item.as_ref()))
1190 {
1191 if !Pane::save_item(
1192 project.clone(),
1193 &pane,
1194 ix,
1195 &*item,
1196 should_prompt_to_save,
1197 &mut cx,
1198 )
1199 .await?
1200 {
1201 return Ok(false);
1202 }
1203 }
1204 }
1205 }
1206 Ok(true)
1207 })
1208 }
1209
1210 #[allow(clippy::type_complexity)]
1211 pub fn open_paths(
1212 &mut self,
1213 mut abs_paths: Vec<PathBuf>,
1214 visible: bool,
1215 cx: &mut ViewContext<Self>,
1216 ) -> Task<Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>> {
1217 let fs = self.fs.clone();
1218
1219 // Sort the paths to ensure we add worktrees for parents before their children.
1220 abs_paths.sort_unstable();
1221 cx.spawn(|this, mut cx| async move {
1222 let mut project_paths = Vec::new();
1223 for path in &abs_paths {
1224 project_paths.push(
1225 this.update(&mut cx, |this, cx| {
1226 this.project_path_for_path(path, visible, cx)
1227 })
1228 .await
1229 .log_err(),
1230 );
1231 }
1232
1233 let tasks = abs_paths
1234 .iter()
1235 .cloned()
1236 .zip(project_paths.into_iter())
1237 .map(|(abs_path, project_path)| {
1238 let this = this.clone();
1239 cx.spawn(|mut cx| {
1240 let fs = fs.clone();
1241 async move {
1242 let (_worktree, project_path) = project_path?;
1243 if fs.is_file(&abs_path).await {
1244 Some(
1245 this.update(&mut cx, |this, cx| {
1246 this.open_path(project_path, true, cx)
1247 })
1248 .await,
1249 )
1250 } else {
1251 None
1252 }
1253 }
1254 })
1255 })
1256 .collect::<Vec<_>>();
1257
1258 futures::future::join_all(tasks).await
1259 })
1260 }
1261
1262 fn add_folder_to_project(&mut self, _: &AddFolderToProject, cx: &mut ViewContext<Self>) {
1263 let mut paths = cx.prompt_for_paths(PathPromptOptions {
1264 files: false,
1265 directories: true,
1266 multiple: true,
1267 });
1268 cx.spawn(|this, mut cx| async move {
1269 if let Some(paths) = paths.recv().await.flatten() {
1270 let results = this
1271 .update(&mut cx, |this, cx| this.open_paths(paths, true, cx))
1272 .await;
1273 for result in results.into_iter().flatten() {
1274 result.log_err();
1275 }
1276 }
1277 })
1278 .detach();
1279 }
1280
1281 fn remove_folder_from_project(
1282 &mut self,
1283 RemoveWorktreeFromProject(worktree_id): &RemoveWorktreeFromProject,
1284 cx: &mut ViewContext<Self>,
1285 ) {
1286 self.project
1287 .update(cx, |project, cx| project.remove_worktree(*worktree_id, cx));
1288 }
1289
1290 fn toggle_project_online(&mut self, action: &ToggleProjectOnline, cx: &mut ViewContext<Self>) {
1291 let project = action
1292 .project
1293 .clone()
1294 .unwrap_or_else(|| self.project.clone());
1295 project.update(cx, |project, cx| {
1296 let public = !project.is_online();
1297 project.set_online(public, cx);
1298 });
1299 }
1300
1301 fn project_path_for_path(
1302 &self,
1303 abs_path: &Path,
1304 visible: bool,
1305 cx: &mut ViewContext<Self>,
1306 ) -> Task<Result<(ModelHandle<Worktree>, ProjectPath)>> {
1307 let entry = self.project().update(cx, |project, cx| {
1308 project.find_or_create_local_worktree(abs_path, visible, cx)
1309 });
1310 cx.spawn(|_, cx| async move {
1311 let (worktree, path) = entry.await?;
1312 let worktree_id = worktree.read_with(&cx, |t, _| t.id());
1313 Ok((
1314 worktree,
1315 ProjectPath {
1316 worktree_id,
1317 path: path.into(),
1318 },
1319 ))
1320 })
1321 }
1322
1323 /// Returns the modal that was toggled closed if it was open.
1324 pub fn toggle_modal<V, F>(
1325 &mut self,
1326 cx: &mut ViewContext<Self>,
1327 add_view: F,
1328 ) -> Option<ViewHandle<V>>
1329 where
1330 V: 'static + View,
1331 F: FnOnce(&mut Self, &mut ViewContext<Self>) -> ViewHandle<V>,
1332 {
1333 cx.notify();
1334 // Whatever modal was visible is getting clobbered. If its the same type as V, then return
1335 // it. Otherwise, create a new modal and set it as active.
1336 let already_open_modal = self.modal.take().and_then(|modal| modal.downcast::<V>());
1337 if let Some(already_open_modal) = already_open_modal {
1338 cx.focus_self();
1339 Some(already_open_modal)
1340 } else {
1341 let modal = add_view(self, cx);
1342 cx.focus(&modal);
1343 self.modal = Some(modal.into());
1344 None
1345 }
1346 }
1347
1348 pub fn modal<V: 'static + View>(&self) -> Option<ViewHandle<V>> {
1349 self.modal
1350 .as_ref()
1351 .and_then(|modal| modal.clone().downcast::<V>())
1352 }
1353
1354 pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
1355 if self.modal.take().is_some() {
1356 cx.focus(&self.active_pane);
1357 cx.notify();
1358 }
1359 }
1360
1361 pub fn show_notification<V: Notification>(
1362 &mut self,
1363 id: usize,
1364 cx: &mut ViewContext<Self>,
1365 build_notification: impl FnOnce(&mut ViewContext<Self>) -> ViewHandle<V>,
1366 ) {
1367 let type_id = TypeId::of::<V>();
1368 if self
1369 .notifications
1370 .iter()
1371 .all(|(existing_type_id, existing_id, _)| {
1372 (*existing_type_id, *existing_id) != (type_id, id)
1373 })
1374 {
1375 let notification = build_notification(cx);
1376 cx.subscribe(¬ification, move |this, handle, event, cx| {
1377 if handle.read(cx).should_dismiss_notification_on_event(event) {
1378 this.dismiss_notification(type_id, id, cx);
1379 }
1380 })
1381 .detach();
1382 self.notifications
1383 .push((type_id, id, Box::new(notification)));
1384 cx.notify();
1385 }
1386 }
1387
1388 fn dismiss_notification(&mut self, type_id: TypeId, id: usize, cx: &mut ViewContext<Self>) {
1389 self.notifications
1390 .retain(|(existing_type_id, existing_id, _)| {
1391 if (*existing_type_id, *existing_id) == (type_id, id) {
1392 cx.notify();
1393 false
1394 } else {
1395 true
1396 }
1397 });
1398 }
1399
1400 pub fn items<'a>(
1401 &'a self,
1402 cx: &'a AppContext,
1403 ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
1404 self.panes.iter().flat_map(|pane| pane.read(cx).items())
1405 }
1406
1407 pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
1408 self.items_of_type(cx).max_by_key(|item| item.id())
1409 }
1410
1411 pub fn items_of_type<'a, T: Item>(
1412 &'a self,
1413 cx: &'a AppContext,
1414 ) -> impl 'a + Iterator<Item = ViewHandle<T>> {
1415 self.panes
1416 .iter()
1417 .flat_map(|pane| pane.read(cx).items_of_type())
1418 }
1419
1420 pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
1421 self.active_pane().read(cx).active_item()
1422 }
1423
1424 fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
1425 self.active_item(cx).and_then(|item| item.project_path(cx))
1426 }
1427
1428 pub fn save_active_item(
1429 &mut self,
1430 force_name_change: bool,
1431 cx: &mut ViewContext<Self>,
1432 ) -> Task<Result<()>> {
1433 let project = self.project.clone();
1434 if let Some(item) = self.active_item(cx) {
1435 if !force_name_change && item.can_save(cx) {
1436 if item.has_conflict(cx.as_ref()) {
1437 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1438
1439 let mut answer = cx.prompt(
1440 PromptLevel::Warning,
1441 CONFLICT_MESSAGE,
1442 &["Overwrite", "Cancel"],
1443 );
1444 cx.spawn(|_, mut cx| async move {
1445 let answer = answer.recv().await;
1446 if answer == Some(0) {
1447 cx.update(|cx| item.save(project, cx)).await?;
1448 }
1449 Ok(())
1450 })
1451 } else {
1452 item.save(project, cx)
1453 }
1454 } else if item.is_singleton(cx) {
1455 let worktree = self.worktrees(cx).next();
1456 let start_abs_path = worktree
1457 .and_then(|w| w.read(cx).as_local())
1458 .map_or(Path::new(""), |w| w.abs_path())
1459 .to_path_buf();
1460 let mut abs_path = cx.prompt_for_new_path(&start_abs_path);
1461 cx.spawn(|_, mut cx| async move {
1462 if let Some(abs_path) = abs_path.recv().await.flatten() {
1463 cx.update(|cx| item.save_as(project, abs_path, cx)).await?;
1464 }
1465 Ok(())
1466 })
1467 } else {
1468 Task::ready(Ok(()))
1469 }
1470 } else {
1471 Task::ready(Ok(()))
1472 }
1473 }
1474
1475 pub fn toggle_sidebar(&mut self, side: Side, cx: &mut ViewContext<Self>) {
1476 let sidebar = match side {
1477 Side::Left => &mut self.left_sidebar,
1478 Side::Right => &mut self.right_sidebar,
1479 };
1480 sidebar.update(cx, |sidebar, cx| {
1481 sidebar.set_open(!sidebar.is_open(), cx);
1482 });
1483 cx.focus_self();
1484 cx.notify();
1485 }
1486
1487 pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
1488 let sidebar = match action.side {
1489 Side::Left => &mut self.left_sidebar,
1490 Side::Right => &mut self.right_sidebar,
1491 };
1492 let active_item = sidebar.update(cx, |sidebar, cx| {
1493 if sidebar.is_open() && sidebar.active_item_ix() == action.item_index {
1494 sidebar.set_open(false, cx);
1495 None
1496 } else {
1497 sidebar.set_open(true, cx);
1498 sidebar.activate_item(action.item_index, cx);
1499 sidebar.active_item().cloned()
1500 }
1501 });
1502 if let Some(active_item) = active_item {
1503 if active_item.is_focused(cx) {
1504 cx.focus_self();
1505 } else {
1506 cx.focus(active_item.to_any());
1507 }
1508 } else {
1509 cx.focus_self();
1510 }
1511 cx.notify();
1512 }
1513
1514 pub fn toggle_sidebar_item_focus(
1515 &mut self,
1516 side: Side,
1517 item_index: usize,
1518 cx: &mut ViewContext<Self>,
1519 ) {
1520 let sidebar = match side {
1521 Side::Left => &mut self.left_sidebar,
1522 Side::Right => &mut self.right_sidebar,
1523 };
1524 let active_item = sidebar.update(cx, |sidebar, cx| {
1525 sidebar.set_open(true, cx);
1526 sidebar.activate_item(item_index, cx);
1527 sidebar.active_item().cloned()
1528 });
1529 if let Some(active_item) = active_item {
1530 if active_item.is_focused(cx) {
1531 cx.focus_self();
1532 } else {
1533 cx.focus(active_item.to_any());
1534 }
1535 }
1536 cx.notify();
1537 }
1538
1539 pub fn focus_center(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
1540 cx.focus_self();
1541 cx.notify();
1542 }
1543
1544 fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
1545 let pane = cx.add_view(|cx| Pane::new(false, cx));
1546 let pane_id = pane.id();
1547 cx.subscribe(&pane, move |this, _, event, cx| {
1548 this.handle_pane_event(pane_id, event, cx)
1549 })
1550 .detach();
1551 self.panes.push(pane.clone());
1552 cx.focus(pane.clone());
1553 cx.emit(Event::PaneAdded(pane.clone()));
1554 pane
1555 }
1556
1557 pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
1558 let active_pane = self.active_pane().clone();
1559 Pane::add_item(self, &active_pane, item, true, true, None, cx);
1560 }
1561
1562 pub fn open_path(
1563 &mut self,
1564 path: impl Into<ProjectPath>,
1565 focus_item: bool,
1566 cx: &mut ViewContext<Self>,
1567 ) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
1568 let pane = self.active_pane().downgrade();
1569 let task = self.load_path(path.into(), cx);
1570 cx.spawn(|this, mut cx| async move {
1571 let (project_entry_id, build_item) = task.await?;
1572 let pane = pane
1573 .upgrade(&cx)
1574 .ok_or_else(|| anyhow!("pane was closed"))?;
1575 this.update(&mut cx, |this, cx| {
1576 Ok(Pane::open_item(
1577 this,
1578 pane,
1579 project_entry_id,
1580 focus_item,
1581 cx,
1582 build_item,
1583 ))
1584 })
1585 })
1586 }
1587
1588 pub(crate) fn load_path(
1589 &mut self,
1590 path: ProjectPath,
1591 cx: &mut ViewContext<Self>,
1592 ) -> Task<
1593 Result<(
1594 ProjectEntryId,
1595 impl 'static + FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
1596 )>,
1597 > {
1598 let project = self.project().clone();
1599 let project_item = project.update(cx, |project, cx| project.open_path(path, cx));
1600 cx.as_mut().spawn(|mut cx| async move {
1601 let (project_entry_id, project_item) = project_item.await?;
1602 let build_item = cx.update(|cx| {
1603 cx.default_global::<ProjectItemBuilders>()
1604 .get(&project_item.model_type())
1605 .ok_or_else(|| anyhow!("no item builder for project item"))
1606 .cloned()
1607 })?;
1608 let build_item =
1609 move |cx: &mut ViewContext<Pane>| build_item(project, project_item, cx);
1610 Ok((project_entry_id, build_item))
1611 })
1612 }
1613
1614 pub fn open_project_item<T>(
1615 &mut self,
1616 project_item: ModelHandle<T::Item>,
1617 cx: &mut ViewContext<Self>,
1618 ) -> ViewHandle<T>
1619 where
1620 T: ProjectItem,
1621 {
1622 use project::Item as _;
1623
1624 let entry_id = project_item.read(cx).entry_id(cx);
1625 if let Some(item) = entry_id
1626 .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
1627 .and_then(|item| item.downcast())
1628 {
1629 self.activate_item(&item, cx);
1630 return item;
1631 }
1632
1633 let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
1634 self.add_item(Box::new(item.clone()), cx);
1635 item
1636 }
1637
1638 pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
1639 let result = self.panes.iter().find_map(|pane| {
1640 pane.read(cx)
1641 .index_for_item(item)
1642 .map(|ix| (pane.clone(), ix))
1643 });
1644 if let Some((pane, ix)) = result {
1645 pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
1646 true
1647 } else {
1648 false
1649 }
1650 }
1651
1652 fn activate_pane_at_index(&mut self, action: &ActivatePane, cx: &mut ViewContext<Self>) {
1653 let panes = self.center.panes();
1654 if let Some(pane) = panes.get(action.0).map(|p| (*p).clone()) {
1655 cx.focus(pane);
1656 } else {
1657 self.split_pane(self.active_pane.clone(), SplitDirection::Right, cx);
1658 }
1659 }
1660
1661 pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
1662 let next_pane = {
1663 let panes = self.center.panes();
1664 let ix = panes
1665 .iter()
1666 .position(|pane| **pane == self.active_pane)
1667 .unwrap();
1668 let next_ix = (ix + 1) % panes.len();
1669 panes[next_ix].clone()
1670 };
1671 cx.focus(next_pane);
1672 }
1673
1674 pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
1675 let prev_pane = {
1676 let panes = self.center.panes();
1677 let ix = panes
1678 .iter()
1679 .position(|pane| **pane == self.active_pane)
1680 .unwrap();
1681 let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
1682 panes[prev_ix].clone()
1683 };
1684 cx.focus(prev_pane);
1685 }
1686
1687 fn handle_pane_focused(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1688 if self.active_pane != pane {
1689 self.active_pane
1690 .update(cx, |pane, cx| pane.set_active(false, cx));
1691 self.active_pane = pane.clone();
1692 self.active_pane
1693 .update(cx, |pane, cx| pane.set_active(true, cx));
1694 self.status_bar.update(cx, |status_bar, cx| {
1695 status_bar.set_active_pane(&self.active_pane, cx);
1696 });
1697 self.active_item_path_changed(cx);
1698
1699 if &pane != self.dock.pane() {
1700 self.last_active_center_pane = Some(pane.clone());
1701 }
1702 cx.notify();
1703 }
1704
1705 self.update_followers(
1706 proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
1707 id: self.active_item(cx).map(|item| item.id() as u64),
1708 leader_id: self.leader_for_pane(&pane).map(|id| id.0),
1709 }),
1710 cx,
1711 );
1712 }
1713
1714 fn handle_pane_event(
1715 &mut self,
1716 pane_id: usize,
1717 event: &pane::Event,
1718 cx: &mut ViewContext<Self>,
1719 ) {
1720 if let Some(pane) = self.pane(pane_id) {
1721 let is_dock = &pane == self.dock.pane();
1722 match event {
1723 pane::Event::Split(direction) if !is_dock => {
1724 self.split_pane(pane, *direction, cx);
1725 }
1726 pane::Event::Remove if !is_dock => self.remove_pane(pane, cx),
1727 pane::Event::Remove if is_dock => Dock::hide(self, cx),
1728 pane::Event::Focused => self.handle_pane_focused(pane, cx),
1729 pane::Event::ActivateItem { local } => {
1730 if *local {
1731 self.unfollow(&pane, cx);
1732 }
1733 if &pane == self.active_pane() {
1734 self.active_item_path_changed(cx);
1735 }
1736 }
1737 pane::Event::ChangeItemTitle => {
1738 if pane == self.active_pane {
1739 self.active_item_path_changed(cx);
1740 }
1741 self.update_window_edited(cx);
1742 }
1743 pane::Event::RemoveItem { item_id } => {
1744 self.update_window_edited(cx);
1745 if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(*item_id) {
1746 if entry.get().id() == pane.id() {
1747 entry.remove();
1748 }
1749 }
1750 }
1751 _ => {}
1752 }
1753 } else if self.dock.visible_pane().is_none() {
1754 error!("pane {} not found", pane_id);
1755 }
1756 }
1757
1758 pub fn split_pane(
1759 &mut self,
1760 pane: ViewHandle<Pane>,
1761 direction: SplitDirection,
1762 cx: &mut ViewContext<Self>,
1763 ) -> Option<ViewHandle<Pane>> {
1764 pane.read(cx).active_item().map(|item| {
1765 let new_pane = self.add_pane(cx);
1766 if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1767 Pane::add_item(self, &new_pane, clone, true, true, None, cx);
1768 }
1769 self.center.split(&pane, &new_pane, direction).unwrap();
1770 cx.notify();
1771 new_pane
1772 })
1773 }
1774
1775 fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1776 if self.center.remove(&pane).unwrap() {
1777 self.panes.retain(|p| p != &pane);
1778 cx.focus(self.panes.last().unwrap().clone());
1779 self.unfollow(&pane, cx);
1780 self.last_leaders_by_pane.remove(&pane.downgrade());
1781 for removed_item in pane.read(cx).items() {
1782 self.panes_by_item.remove(&removed_item.id());
1783 }
1784 if self.last_active_center_pane == Some(pane) {
1785 self.last_active_center_pane = None;
1786 }
1787
1788 cx.notify();
1789 } else {
1790 self.active_item_path_changed(cx);
1791 }
1792 }
1793
1794 pub fn panes(&self) -> &[ViewHandle<Pane>] {
1795 &self.panes
1796 }
1797
1798 fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1799 self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1800 }
1801
1802 pub fn active_pane(&self) -> &ViewHandle<Pane> {
1803 &self.active_pane
1804 }
1805
1806 pub fn dock_pane(&self) -> &ViewHandle<Pane> {
1807 self.dock.pane()
1808 }
1809
1810 fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
1811 if let Some(remote_id) = remote_id {
1812 self.remote_entity_subscription =
1813 Some(self.client.add_view_for_remote_entity(remote_id, cx));
1814 } else {
1815 self.remote_entity_subscription.take();
1816 }
1817 }
1818
1819 fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
1820 self.leader_state.followers.remove(&peer_id);
1821 if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
1822 for state in states_by_pane.into_values() {
1823 for item in state.items_by_leader_view_id.into_values() {
1824 if let FollowerItem::Loaded(item) = item {
1825 item.set_leader_replica_id(None, cx);
1826 }
1827 }
1828 }
1829 }
1830 cx.notify();
1831 }
1832
1833 pub fn toggle_follow(
1834 &mut self,
1835 ToggleFollow(leader_id): &ToggleFollow,
1836 cx: &mut ViewContext<Self>,
1837 ) -> Option<Task<Result<()>>> {
1838 let leader_id = *leader_id;
1839 let pane = self.active_pane().clone();
1840
1841 if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
1842 if leader_id == prev_leader_id {
1843 return None;
1844 }
1845 }
1846
1847 self.last_leaders_by_pane
1848 .insert(pane.downgrade(), leader_id);
1849 self.follower_states_by_leader
1850 .entry(leader_id)
1851 .or_default()
1852 .insert(pane.clone(), Default::default());
1853 cx.notify();
1854
1855 let project_id = self.project.read(cx).remote_id()?;
1856 let request = self.client.request(proto::Follow {
1857 project_id,
1858 leader_id: leader_id.0,
1859 });
1860 Some(cx.spawn_weak(|this, mut cx| async move {
1861 let response = request.await?;
1862 if let Some(this) = this.upgrade(&cx) {
1863 this.update(&mut cx, |this, _| {
1864 let state = this
1865 .follower_states_by_leader
1866 .get_mut(&leader_id)
1867 .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
1868 .ok_or_else(|| anyhow!("following interrupted"))?;
1869 state.active_view_id = response.active_view_id;
1870 Ok::<_, anyhow::Error>(())
1871 })?;
1872 Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
1873 .await?;
1874 }
1875 Ok(())
1876 }))
1877 }
1878
1879 pub fn follow_next_collaborator(
1880 &mut self,
1881 _: &FollowNextCollaborator,
1882 cx: &mut ViewContext<Self>,
1883 ) -> Option<Task<Result<()>>> {
1884 let collaborators = self.project.read(cx).collaborators();
1885 let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
1886 let mut collaborators = collaborators.keys().copied();
1887 for peer_id in collaborators.by_ref() {
1888 if peer_id == leader_id {
1889 break;
1890 }
1891 }
1892 collaborators.next()
1893 } else if let Some(last_leader_id) =
1894 self.last_leaders_by_pane.get(&self.active_pane.downgrade())
1895 {
1896 if collaborators.contains_key(last_leader_id) {
1897 Some(*last_leader_id)
1898 } else {
1899 None
1900 }
1901 } else {
1902 None
1903 };
1904
1905 next_leader_id
1906 .or_else(|| collaborators.keys().copied().next())
1907 .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
1908 }
1909
1910 pub fn unfollow(
1911 &mut self,
1912 pane: &ViewHandle<Pane>,
1913 cx: &mut ViewContext<Self>,
1914 ) -> Option<PeerId> {
1915 for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
1916 let leader_id = *leader_id;
1917 if let Some(state) = states_by_pane.remove(pane) {
1918 for (_, item) in state.items_by_leader_view_id {
1919 if let FollowerItem::Loaded(item) = item {
1920 item.set_leader_replica_id(None, cx);
1921 }
1922 }
1923
1924 if states_by_pane.is_empty() {
1925 self.follower_states_by_leader.remove(&leader_id);
1926 if let Some(project_id) = self.project.read(cx).remote_id() {
1927 self.client
1928 .send(proto::Unfollow {
1929 project_id,
1930 leader_id: leader_id.0,
1931 })
1932 .log_err();
1933 }
1934 }
1935
1936 cx.notify();
1937 return Some(leader_id);
1938 }
1939 }
1940 None
1941 }
1942
1943 fn render_connection_status(&self, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
1944 let theme = &cx.global::<Settings>().theme;
1945 match &*self.client.status().borrow() {
1946 client::Status::ConnectionError
1947 | client::Status::ConnectionLost
1948 | client::Status::Reauthenticating { .. }
1949 | client::Status::Reconnecting { .. }
1950 | client::Status::ReconnectionError { .. } => Some(
1951 Container::new(
1952 Align::new(
1953 ConstrainedBox::new(
1954 Svg::new("icons/cloud_slash_12.svg")
1955 .with_color(theme.workspace.titlebar.offline_icon.color)
1956 .boxed(),
1957 )
1958 .with_width(theme.workspace.titlebar.offline_icon.width)
1959 .boxed(),
1960 )
1961 .boxed(),
1962 )
1963 .with_style(theme.workspace.titlebar.offline_icon.container)
1964 .boxed(),
1965 ),
1966 client::Status::UpgradeRequired => Some(
1967 Label::new(
1968 "Please update Zed to collaborate".to_string(),
1969 theme.workspace.titlebar.outdated_warning.text.clone(),
1970 )
1971 .contained()
1972 .with_style(theme.workspace.titlebar.outdated_warning.container)
1973 .aligned()
1974 .boxed(),
1975 ),
1976 _ => None,
1977 }
1978 }
1979
1980 fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
1981 let project = &self.project.read(cx);
1982 let replica_id = project.replica_id();
1983 let mut worktree_root_names = String::new();
1984 for (i, name) in project.worktree_root_names(cx).enumerate() {
1985 if i > 0 {
1986 worktree_root_names.push_str(", ");
1987 }
1988 worktree_root_names.push_str(name);
1989 }
1990
1991 // TODO: There should be a better system in place for this
1992 // (https://github.com/zed-industries/zed/issues/1290)
1993 let is_fullscreen = cx.window_is_fullscreen(cx.window_id());
1994 let container_theme = if is_fullscreen {
1995 let mut container_theme = theme.workspace.titlebar.container;
1996 container_theme.padding.left = container_theme.padding.right;
1997 container_theme
1998 } else {
1999 theme.workspace.titlebar.container
2000 };
2001
2002 ConstrainedBox::new(
2003 MouseEventHandler::new::<Self, _, _>(0, cx, |_, cx| {
2004 Container::new(
2005 Stack::new()
2006 .with_child(
2007 Label::new(worktree_root_names, theme.workspace.titlebar.title.clone())
2008 .aligned()
2009 .left()
2010 .boxed(),
2011 )
2012 .with_child(
2013 Align::new(
2014 Flex::row()
2015 .with_children(self.render_collaborators(theme, cx))
2016 .with_children(self.render_current_user(
2017 self.user_store.read(cx).current_user().as_ref(),
2018 replica_id,
2019 theme,
2020 cx,
2021 ))
2022 .with_children(self.render_connection_status(cx))
2023 .boxed(),
2024 )
2025 .right()
2026 .boxed(),
2027 )
2028 .boxed(),
2029 )
2030 .with_style(container_theme)
2031 .boxed()
2032 })
2033 .on_click(MouseButton::Left, |event, cx| {
2034 if event.click_count == 2 {
2035 cx.zoom_window(cx.window_id());
2036 }
2037 })
2038 .boxed(),
2039 )
2040 .with_height(theme.workspace.titlebar.height)
2041 .named("titlebar")
2042 }
2043
2044 fn active_item_path_changed(&mut self, cx: &mut ViewContext<Self>) {
2045 let active_entry = self.active_project_path(cx);
2046 self.project
2047 .update(cx, |project, cx| project.set_active_path(active_entry, cx));
2048 self.update_window_title(cx);
2049 }
2050
2051 fn update_window_title(&mut self, cx: &mut ViewContext<Self>) {
2052 let mut title = String::new();
2053 let project = self.project().read(cx);
2054 if let Some(path) = self.active_item(cx).and_then(|item| item.project_path(cx)) {
2055 let filename = path
2056 .path
2057 .file_name()
2058 .map(|s| s.to_string_lossy())
2059 .or_else(|| {
2060 Some(Cow::Borrowed(
2061 project
2062 .worktree_for_id(path.worktree_id, cx)?
2063 .read(cx)
2064 .root_name(),
2065 ))
2066 });
2067 if let Some(filename) = filename {
2068 title.push_str(filename.as_ref());
2069 title.push_str(" — ");
2070 }
2071 }
2072 for (i, name) in project.worktree_root_names(cx).enumerate() {
2073 if i > 0 {
2074 title.push_str(", ");
2075 }
2076 title.push_str(name);
2077 }
2078 if title.is_empty() {
2079 title = "empty project".to_string();
2080 }
2081 cx.set_window_title(&title);
2082 }
2083
2084 fn update_window_edited(&mut self, cx: &mut ViewContext<Self>) {
2085 let is_edited = !self.project.read(cx).is_read_only()
2086 && self
2087 .items(cx)
2088 .any(|item| item.has_conflict(cx) || item.is_dirty(cx));
2089 if is_edited != self.window_edited {
2090 self.window_edited = is_edited;
2091 cx.set_window_edited(self.window_edited)
2092 }
2093 }
2094
2095 fn render_collaborators(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Vec<ElementBox> {
2096 let mut collaborators = self
2097 .project
2098 .read(cx)
2099 .collaborators()
2100 .values()
2101 .cloned()
2102 .collect::<Vec<_>>();
2103 collaborators.sort_unstable_by_key(|collaborator| collaborator.replica_id);
2104 collaborators
2105 .into_iter()
2106 .filter_map(|collaborator| {
2107 Some(self.render_avatar(
2108 collaborator.user.avatar.clone()?,
2109 collaborator.replica_id,
2110 Some((collaborator.peer_id, &collaborator.user.github_login)),
2111 theme,
2112 cx,
2113 ))
2114 })
2115 .collect()
2116 }
2117
2118 fn render_current_user(
2119 &self,
2120 user: Option<&Arc<User>>,
2121 replica_id: ReplicaId,
2122 theme: &Theme,
2123 cx: &mut RenderContext<Self>,
2124 ) -> Option<ElementBox> {
2125 let status = *self.client.status().borrow();
2126 if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
2127 Some(self.render_avatar(avatar, replica_id, None, theme, cx))
2128 } else if matches!(status, client::Status::UpgradeRequired) {
2129 None
2130 } else {
2131 Some(
2132 MouseEventHandler::new::<Authenticate, _, _>(0, cx, |state, _| {
2133 let style = theme
2134 .workspace
2135 .titlebar
2136 .sign_in_prompt
2137 .style_for(state, false);
2138 Label::new("Sign in".to_string(), style.text.clone())
2139 .contained()
2140 .with_style(style.container)
2141 .boxed()
2142 })
2143 .on_click(MouseButton::Left, |_, cx| cx.dispatch_action(Authenticate))
2144 .with_cursor_style(CursorStyle::PointingHand)
2145 .aligned()
2146 .boxed(),
2147 )
2148 }
2149 }
2150
2151 fn render_avatar(
2152 &self,
2153 avatar: Arc<ImageData>,
2154 replica_id: ReplicaId,
2155 peer: Option<(PeerId, &str)>,
2156 theme: &Theme,
2157 cx: &mut RenderContext<Self>,
2158 ) -> ElementBox {
2159 let replica_color = theme.editor.replica_selection_style(replica_id).cursor;
2160 let is_followed = peer.map_or(false, |(peer_id, _)| {
2161 self.follower_states_by_leader.contains_key(&peer_id)
2162 });
2163 let mut avatar_style = theme.workspace.titlebar.avatar;
2164 if is_followed {
2165 avatar_style.border = Border::all(1.0, replica_color);
2166 }
2167 let content = Stack::new()
2168 .with_child(
2169 Image::new(avatar)
2170 .with_style(avatar_style)
2171 .constrained()
2172 .with_width(theme.workspace.titlebar.avatar_width)
2173 .aligned()
2174 .boxed(),
2175 )
2176 .with_child(
2177 AvatarRibbon::new(replica_color)
2178 .constrained()
2179 .with_width(theme.workspace.titlebar.avatar_ribbon.width)
2180 .with_height(theme.workspace.titlebar.avatar_ribbon.height)
2181 .aligned()
2182 .bottom()
2183 .boxed(),
2184 )
2185 .constrained()
2186 .with_width(theme.workspace.titlebar.avatar_width)
2187 .contained()
2188 .with_margin_left(theme.workspace.titlebar.avatar_margin)
2189 .boxed();
2190
2191 if let Some((peer_id, peer_github_login)) = peer {
2192 MouseEventHandler::new::<ToggleFollow, _, _>(replica_id.into(), cx, move |_, _| content)
2193 .with_cursor_style(CursorStyle::PointingHand)
2194 .on_click(MouseButton::Left, move |_, cx| {
2195 cx.dispatch_action(ToggleFollow(peer_id))
2196 })
2197 .with_tooltip::<ToggleFollow, _>(
2198 peer_id.0 as usize,
2199 if is_followed {
2200 format!("Unfollow {}", peer_github_login)
2201 } else {
2202 format!("Follow {}", peer_github_login)
2203 },
2204 Some(Box::new(FollowNextCollaborator)),
2205 theme.tooltip.clone(),
2206 cx,
2207 )
2208 .boxed()
2209 } else {
2210 content
2211 }
2212 }
2213
2214 fn render_disconnected_overlay(&self, cx: &mut RenderContext<Workspace>) -> Option<ElementBox> {
2215 if self.project.read(cx).is_read_only() {
2216 enum DisconnectedOverlay {}
2217 Some(
2218 MouseEventHandler::new::<DisconnectedOverlay, _, _>(0, cx, |_, cx| {
2219 let theme = &cx.global::<Settings>().theme;
2220 Label::new(
2221 "Your connection to the remote project has been lost.".to_string(),
2222 theme.workspace.disconnected_overlay.text.clone(),
2223 )
2224 .aligned()
2225 .contained()
2226 .with_style(theme.workspace.disconnected_overlay.container)
2227 .boxed()
2228 })
2229 .capture_all()
2230 .boxed(),
2231 )
2232 } else {
2233 None
2234 }
2235 }
2236
2237 fn render_notifications(&self, theme: &theme::Workspace) -> Option<ElementBox> {
2238 if self.notifications.is_empty() {
2239 None
2240 } else {
2241 Some(
2242 Flex::column()
2243 .with_children(self.notifications.iter().map(|(_, _, notification)| {
2244 ChildView::new(notification.as_ref())
2245 .contained()
2246 .with_style(theme.notification)
2247 .boxed()
2248 }))
2249 .constrained()
2250 .with_width(theme.notifications.width)
2251 .contained()
2252 .with_style(theme.notifications.container)
2253 .aligned()
2254 .bottom()
2255 .right()
2256 .boxed(),
2257 )
2258 }
2259 }
2260
2261 // RPC handlers
2262
2263 async fn handle_follow(
2264 this: ViewHandle<Self>,
2265 envelope: TypedEnvelope<proto::Follow>,
2266 _: Arc<Client>,
2267 mut cx: AsyncAppContext,
2268 ) -> Result<proto::FollowResponse> {
2269 this.update(&mut cx, |this, cx| {
2270 this.leader_state
2271 .followers
2272 .insert(envelope.original_sender_id()?);
2273
2274 let active_view_id = this
2275 .active_item(cx)
2276 .and_then(|i| i.to_followable_item_handle(cx))
2277 .map(|i| i.id() as u64);
2278 Ok(proto::FollowResponse {
2279 active_view_id,
2280 views: this
2281 .panes()
2282 .iter()
2283 .flat_map(|pane| {
2284 let leader_id = this.leader_for_pane(pane).map(|id| id.0);
2285 pane.read(cx).items().filter_map({
2286 let cx = &cx;
2287 move |item| {
2288 let id = item.id() as u64;
2289 let item = item.to_followable_item_handle(cx)?;
2290 let variant = item.to_state_proto(cx)?;
2291 Some(proto::View {
2292 id,
2293 leader_id,
2294 variant: Some(variant),
2295 })
2296 }
2297 })
2298 })
2299 .collect(),
2300 })
2301 })
2302 }
2303
2304 async fn handle_unfollow(
2305 this: ViewHandle<Self>,
2306 envelope: TypedEnvelope<proto::Unfollow>,
2307 _: Arc<Client>,
2308 mut cx: AsyncAppContext,
2309 ) -> Result<()> {
2310 this.update(&mut cx, |this, _| {
2311 this.leader_state
2312 .followers
2313 .remove(&envelope.original_sender_id()?);
2314 Ok(())
2315 })
2316 }
2317
2318 async fn handle_update_followers(
2319 this: ViewHandle<Self>,
2320 envelope: TypedEnvelope<proto::UpdateFollowers>,
2321 _: Arc<Client>,
2322 mut cx: AsyncAppContext,
2323 ) -> Result<()> {
2324 let leader_id = envelope.original_sender_id()?;
2325 match envelope
2326 .payload
2327 .variant
2328 .ok_or_else(|| anyhow!("invalid update"))?
2329 {
2330 proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
2331 this.update(&mut cx, |this, cx| {
2332 this.update_leader_state(leader_id, cx, |state, _| {
2333 state.active_view_id = update_active_view.id;
2334 });
2335 Ok::<_, anyhow::Error>(())
2336 })
2337 }
2338 proto::update_followers::Variant::UpdateView(update_view) => {
2339 this.update(&mut cx, |this, cx| {
2340 let variant = update_view
2341 .variant
2342 .ok_or_else(|| anyhow!("missing update view variant"))?;
2343 this.update_leader_state(leader_id, cx, |state, cx| {
2344 let variant = variant.clone();
2345 match state
2346 .items_by_leader_view_id
2347 .entry(update_view.id)
2348 .or_insert(FollowerItem::Loading(Vec::new()))
2349 {
2350 FollowerItem::Loaded(item) => {
2351 item.apply_update_proto(variant, cx).log_err();
2352 }
2353 FollowerItem::Loading(updates) => updates.push(variant),
2354 }
2355 });
2356 Ok(())
2357 })
2358 }
2359 proto::update_followers::Variant::CreateView(view) => {
2360 let panes = this.read_with(&cx, |this, _| {
2361 this.follower_states_by_leader
2362 .get(&leader_id)
2363 .into_iter()
2364 .flat_map(|states_by_pane| states_by_pane.keys())
2365 .cloned()
2366 .collect()
2367 });
2368 Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
2369 .await?;
2370 Ok(())
2371 }
2372 }
2373 .log_err();
2374
2375 Ok(())
2376 }
2377
2378 async fn add_views_from_leader(
2379 this: ViewHandle<Self>,
2380 leader_id: PeerId,
2381 panes: Vec<ViewHandle<Pane>>,
2382 views: Vec<proto::View>,
2383 cx: &mut AsyncAppContext,
2384 ) -> Result<()> {
2385 let project = this.read_with(cx, |this, _| this.project.clone());
2386 let replica_id = project
2387 .read_with(cx, |project, _| {
2388 project
2389 .collaborators()
2390 .get(&leader_id)
2391 .map(|c| c.replica_id)
2392 })
2393 .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
2394
2395 let item_builders = cx.update(|cx| {
2396 cx.default_global::<FollowableItemBuilders>()
2397 .values()
2398 .map(|b| b.0)
2399 .collect::<Vec<_>>()
2400 });
2401
2402 let mut item_tasks_by_pane = HashMap::default();
2403 for pane in panes {
2404 let mut item_tasks = Vec::new();
2405 let mut leader_view_ids = Vec::new();
2406 for view in &views {
2407 let mut variant = view.variant.clone();
2408 if variant.is_none() {
2409 Err(anyhow!("missing variant"))?;
2410 }
2411 for build_item in &item_builders {
2412 let task =
2413 cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
2414 if let Some(task) = task {
2415 item_tasks.push(task);
2416 leader_view_ids.push(view.id);
2417 break;
2418 } else {
2419 assert!(variant.is_some());
2420 }
2421 }
2422 }
2423
2424 item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
2425 }
2426
2427 for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
2428 let items = futures::future::try_join_all(item_tasks).await?;
2429 this.update(cx, |this, cx| {
2430 let state = this
2431 .follower_states_by_leader
2432 .get_mut(&leader_id)?
2433 .get_mut(&pane)?;
2434
2435 for (id, item) in leader_view_ids.into_iter().zip(items) {
2436 item.set_leader_replica_id(Some(replica_id), cx);
2437 match state.items_by_leader_view_id.entry(id) {
2438 hash_map::Entry::Occupied(e) => {
2439 let e = e.into_mut();
2440 if let FollowerItem::Loading(updates) = e {
2441 for update in updates.drain(..) {
2442 item.apply_update_proto(update, cx)
2443 .context("failed to apply view update")
2444 .log_err();
2445 }
2446 }
2447 *e = FollowerItem::Loaded(item);
2448 }
2449 hash_map::Entry::Vacant(e) => {
2450 e.insert(FollowerItem::Loaded(item));
2451 }
2452 }
2453 }
2454
2455 Some(())
2456 });
2457 }
2458 this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
2459
2460 Ok(())
2461 }
2462
2463 fn update_followers(
2464 &self,
2465 update: proto::update_followers::Variant,
2466 cx: &AppContext,
2467 ) -> Option<()> {
2468 let project_id = self.project.read(cx).remote_id()?;
2469 if !self.leader_state.followers.is_empty() {
2470 self.client
2471 .send(proto::UpdateFollowers {
2472 project_id,
2473 follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
2474 variant: Some(update),
2475 })
2476 .log_err();
2477 }
2478 None
2479 }
2480
2481 pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
2482 self.follower_states_by_leader
2483 .iter()
2484 .find_map(|(leader_id, state)| {
2485 if state.contains_key(pane) {
2486 Some(*leader_id)
2487 } else {
2488 None
2489 }
2490 })
2491 }
2492
2493 fn update_leader_state(
2494 &mut self,
2495 leader_id: PeerId,
2496 cx: &mut ViewContext<Self>,
2497 mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
2498 ) {
2499 for (_, state) in self
2500 .follower_states_by_leader
2501 .get_mut(&leader_id)
2502 .into_iter()
2503 .flatten()
2504 {
2505 update_fn(state, cx);
2506 }
2507 self.leader_updated(leader_id, cx);
2508 }
2509
2510 fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
2511 let mut items_to_add = Vec::new();
2512 for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
2513 if let Some(FollowerItem::Loaded(item)) = state
2514 .active_view_id
2515 .and_then(|id| state.items_by_leader_view_id.get(&id))
2516 {
2517 items_to_add.push((pane.clone(), item.boxed_clone()));
2518 }
2519 }
2520
2521 for (pane, item) in items_to_add {
2522 Pane::add_item(self, &pane, item.boxed_clone(), false, false, None, cx);
2523 if pane == self.active_pane {
2524 pane.update(cx, |pane, cx| pane.focus_active_item(cx));
2525 }
2526 cx.notify();
2527 }
2528 None
2529 }
2530
2531 pub fn on_window_activation_changed(&mut self, active: bool, cx: &mut ViewContext<Self>) {
2532 if !active {
2533 for pane in &self.panes {
2534 pane.update(cx, |pane, cx| {
2535 if let Some(item) = pane.active_item() {
2536 item.workspace_deactivated(cx);
2537 }
2538 if matches!(
2539 cx.global::<Settings>().autosave,
2540 Autosave::OnWindowChange | Autosave::OnFocusChange
2541 ) {
2542 for item in pane.items() {
2543 Pane::autosave_item(item.as_ref(), self.project.clone(), cx)
2544 .detach_and_log_err(cx);
2545 }
2546 }
2547 });
2548 }
2549 }
2550 }
2551}
2552
2553impl Entity for Workspace {
2554 type Event = Event;
2555}
2556
2557impl View for Workspace {
2558 fn ui_name() -> &'static str {
2559 "Workspace"
2560 }
2561
2562 fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
2563 let theme = cx.global::<Settings>().theme.clone();
2564 Stack::new()
2565 .with_child(
2566 Flex::column()
2567 .with_child(self.render_titlebar(&theme, cx))
2568 .with_child(
2569 Stack::new()
2570 .with_child({
2571 Flex::row()
2572 .with_children(
2573 if self.left_sidebar.read(cx).active_item().is_some() {
2574 Some(
2575 ChildView::new(&self.left_sidebar)
2576 .flex(0.8, false)
2577 .boxed(),
2578 )
2579 } else {
2580 None
2581 },
2582 )
2583 .with_child(
2584 FlexItem::new(
2585 Flex::column()
2586 .with_child(
2587 FlexItem::new(self.center.render(
2588 &theme,
2589 &self.follower_states_by_leader,
2590 self.project.read(cx).collaborators(),
2591 ))
2592 .flex(1., true)
2593 .boxed(),
2594 )
2595 .with_children(self.dock.render(
2596 &theme,
2597 DockAnchor::Bottom,
2598 cx,
2599 ))
2600 .boxed(),
2601 )
2602 .flex(1., true)
2603 .boxed(),
2604 )
2605 .with_children(self.dock.render(&theme, DockAnchor::Right, cx))
2606 .with_children(
2607 if self.right_sidebar.read(cx).active_item().is_some() {
2608 Some(
2609 ChildView::new(&self.right_sidebar)
2610 .flex(0.8, false)
2611 .boxed(),
2612 )
2613 } else {
2614 None
2615 },
2616 )
2617 .boxed()
2618 })
2619 .with_children(self.dock.render(&theme, DockAnchor::Expanded, cx))
2620 .with_children(self.modal.as_ref().map(|m| {
2621 ChildView::new(m)
2622 .contained()
2623 .with_style(theme.workspace.modal)
2624 .aligned()
2625 .top()
2626 .boxed()
2627 }))
2628 .with_children(self.render_notifications(&theme.workspace))
2629 .flex(1.0, true)
2630 .boxed(),
2631 )
2632 .with_child(ChildView::new(&self.status_bar).boxed())
2633 .contained()
2634 .with_background_color(theme.workspace.background)
2635 .boxed(),
2636 )
2637 .with_children(DragAndDrop::render(cx))
2638 .with_children(self.render_disconnected_overlay(cx))
2639 .named("workspace")
2640 }
2641
2642 fn on_focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2643 if cx.is_self_focused() {
2644 cx.focus(&self.active_pane);
2645 }
2646 }
2647}
2648
2649pub trait WorkspaceHandle {
2650 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
2651}
2652
2653impl WorkspaceHandle for ViewHandle<Workspace> {
2654 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
2655 self.read(cx)
2656 .worktrees(cx)
2657 .flat_map(|worktree| {
2658 let worktree_id = worktree.read(cx).id();
2659 worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
2660 worktree_id,
2661 path: f.path.clone(),
2662 })
2663 })
2664 .collect::<Vec<_>>()
2665 }
2666}
2667
2668pub struct AvatarRibbon {
2669 color: Color,
2670}
2671
2672impl AvatarRibbon {
2673 pub fn new(color: Color) -> AvatarRibbon {
2674 AvatarRibbon { color }
2675 }
2676}
2677
2678impl Element for AvatarRibbon {
2679 type LayoutState = ();
2680
2681 type PaintState = ();
2682
2683 fn layout(
2684 &mut self,
2685 constraint: gpui::SizeConstraint,
2686 _: &mut gpui::LayoutContext,
2687 ) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
2688 (constraint.max, ())
2689 }
2690
2691 fn paint(
2692 &mut self,
2693 bounds: gpui::geometry::rect::RectF,
2694 _: gpui::geometry::rect::RectF,
2695 _: &mut Self::LayoutState,
2696 cx: &mut gpui::PaintContext,
2697 ) -> Self::PaintState {
2698 let mut path = PathBuilder::new();
2699 path.reset(bounds.lower_left());
2700 path.curve_to(
2701 bounds.origin() + vec2f(bounds.height(), 0.),
2702 bounds.origin(),
2703 );
2704 path.line_to(bounds.upper_right() - vec2f(bounds.height(), 0.));
2705 path.curve_to(bounds.lower_right(), bounds.upper_right());
2706 path.line_to(bounds.lower_left());
2707 cx.scene.push_path(path.build(self.color, None));
2708 }
2709
2710 fn dispatch_event(
2711 &mut self,
2712 _: &gpui::Event,
2713 _: RectF,
2714 _: RectF,
2715 _: &mut Self::LayoutState,
2716 _: &mut Self::PaintState,
2717 _: &mut gpui::EventContext,
2718 ) -> bool {
2719 false
2720 }
2721
2722 fn rect_for_text_range(
2723 &self,
2724 _: Range<usize>,
2725 _: RectF,
2726 _: RectF,
2727 _: &Self::LayoutState,
2728 _: &Self::PaintState,
2729 _: &gpui::MeasurementContext,
2730 ) -> Option<RectF> {
2731 None
2732 }
2733
2734 fn debug(
2735 &self,
2736 bounds: gpui::geometry::rect::RectF,
2737 _: &Self::LayoutState,
2738 _: &Self::PaintState,
2739 _: &gpui::DebugContext,
2740 ) -> gpui::json::Value {
2741 json::json!({
2742 "type": "AvatarRibbon",
2743 "bounds": bounds.to_json(),
2744 "color": self.color.to_json(),
2745 })
2746 }
2747}
2748
2749impl std::fmt::Debug for OpenPaths {
2750 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
2751 f.debug_struct("OpenPaths")
2752 .field("paths", &self.paths)
2753 .finish()
2754 }
2755}
2756
2757fn open(_: &Open, cx: &mut MutableAppContext) {
2758 let mut paths = cx.prompt_for_paths(PathPromptOptions {
2759 files: true,
2760 directories: true,
2761 multiple: true,
2762 });
2763 cx.spawn(|mut cx| async move {
2764 if let Some(paths) = paths.recv().await.flatten() {
2765 cx.update(|cx| cx.dispatch_global_action(OpenPaths { paths }));
2766 }
2767 })
2768 .detach();
2769}
2770
2771pub struct WorkspaceCreated(WeakViewHandle<Workspace>);
2772
2773pub fn activate_workspace_for_project(
2774 cx: &mut MutableAppContext,
2775 predicate: impl Fn(&mut Project, &mut ModelContext<Project>) -> bool,
2776) -> Option<ViewHandle<Workspace>> {
2777 for window_id in cx.window_ids().collect::<Vec<_>>() {
2778 if let Some(workspace_handle) = cx.root_view::<Workspace>(window_id) {
2779 let project = workspace_handle.read(cx).project.clone();
2780 if project.update(cx, &predicate) {
2781 cx.activate_window(window_id);
2782 return Some(workspace_handle);
2783 }
2784 }
2785 }
2786 None
2787}
2788
2789#[allow(clippy::type_complexity)]
2790pub fn open_paths(
2791 abs_paths: &[PathBuf],
2792 app_state: &Arc<AppState>,
2793 cx: &mut MutableAppContext,
2794) -> Task<(
2795 ViewHandle<Workspace>,
2796 Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
2797)> {
2798 log::info!("open paths {:?}", abs_paths);
2799
2800 // Open paths in existing workspace if possible
2801 let existing =
2802 activate_workspace_for_project(cx, |project, cx| project.contains_paths(abs_paths, cx));
2803
2804 let app_state = app_state.clone();
2805 let abs_paths = abs_paths.to_vec();
2806 cx.spawn(|mut cx| async move {
2807 let mut new_project = None;
2808 let workspace = if let Some(existing) = existing {
2809 existing
2810 } else {
2811 let contains_directory =
2812 futures::future::join_all(abs_paths.iter().map(|path| app_state.fs.is_file(path)))
2813 .await
2814 .contains(&false);
2815
2816 cx.add_window((app_state.build_window_options)(), |cx| {
2817 let project = Project::local(
2818 false,
2819 app_state.client.clone(),
2820 app_state.user_store.clone(),
2821 app_state.project_store.clone(),
2822 app_state.languages.clone(),
2823 app_state.fs.clone(),
2824 cx,
2825 );
2826 new_project = Some(project.clone());
2827 let mut workspace = Workspace::new(project, app_state.default_item_factory, cx);
2828 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
2829 if contains_directory {
2830 workspace.toggle_sidebar(Side::Left, cx);
2831 }
2832 workspace
2833 })
2834 .1
2835 };
2836
2837 let items = workspace
2838 .update(&mut cx, |workspace, cx| {
2839 workspace.open_paths(abs_paths, true, cx)
2840 })
2841 .await;
2842
2843 if let Some(project) = new_project {
2844 project
2845 .update(&mut cx, |project, cx| project.restore_state(cx))
2846 .await
2847 .log_err();
2848 }
2849
2850 (workspace, items)
2851 })
2852}
2853
2854pub fn join_project(
2855 contact: Arc<Contact>,
2856 project_index: usize,
2857 app_state: &Arc<AppState>,
2858 cx: &mut MutableAppContext,
2859) {
2860 let project_id = contact.projects[project_index].id;
2861
2862 for window_id in cx.window_ids().collect::<Vec<_>>() {
2863 if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
2864 if workspace.read(cx).project().read(cx).remote_id() == Some(project_id) {
2865 cx.activate_window(window_id);
2866 return;
2867 }
2868 }
2869 }
2870
2871 cx.add_window((app_state.build_window_options)(), |cx| {
2872 WaitingRoom::new(contact, project_index, app_state.clone(), cx)
2873 });
2874}
2875
2876fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
2877 let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
2878 let mut workspace = Workspace::new(
2879 Project::local(
2880 false,
2881 app_state.client.clone(),
2882 app_state.user_store.clone(),
2883 app_state.project_store.clone(),
2884 app_state.languages.clone(),
2885 app_state.fs.clone(),
2886 cx,
2887 ),
2888 app_state.default_item_factory,
2889 cx,
2890 );
2891 (app_state.initialize_workspace)(&mut workspace, app_state, cx);
2892 workspace
2893 });
2894 cx.dispatch_action_at(window_id, workspace.id(), NewFile);
2895}
2896
2897#[cfg(test)]
2898mod tests {
2899 use std::cell::Cell;
2900
2901 use super::*;
2902 use gpui::{executor::Deterministic, ModelHandle, TestAppContext, ViewContext};
2903 use project::{FakeFs, Project, ProjectEntryId};
2904 use serde_json::json;
2905
2906 pub fn default_item_factory(
2907 _workspace: &mut Workspace,
2908 _cx: &mut ViewContext<Workspace>,
2909 ) -> Box<dyn ItemHandle> {
2910 unimplemented!();
2911 }
2912
2913 #[gpui::test]
2914 async fn test_tab_disambiguation(cx: &mut TestAppContext) {
2915 cx.foreground().forbid_parking();
2916 Settings::test_async(cx);
2917
2918 let fs = FakeFs::new(cx.background());
2919 let project = Project::test(fs, [], cx).await;
2920 let (_, workspace) =
2921 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2922
2923 // Adding an item with no ambiguity renders the tab without detail.
2924 let item1 = cx.add_view(&workspace, |_| {
2925 let mut item = TestItem::new();
2926 item.tab_descriptions = Some(vec!["c", "b1/c", "a/b1/c"]);
2927 item
2928 });
2929 workspace.update(cx, |workspace, cx| {
2930 workspace.add_item(Box::new(item1.clone()), cx);
2931 });
2932 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), None));
2933
2934 // Adding an item that creates ambiguity increases the level of detail on
2935 // both tabs.
2936 let item2 = cx.add_view(&workspace, |_| {
2937 let mut item = TestItem::new();
2938 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
2939 item
2940 });
2941 workspace.update(cx, |workspace, cx| {
2942 workspace.add_item(Box::new(item2.clone()), cx);
2943 });
2944 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2945 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2946
2947 // Adding an item that creates ambiguity increases the level of detail only
2948 // on the ambiguous tabs. In this case, the ambiguity can't be resolved so
2949 // we stop at the highest detail available.
2950 let item3 = cx.add_view(&workspace, |_| {
2951 let mut item = TestItem::new();
2952 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
2953 item
2954 });
2955 workspace.update(cx, |workspace, cx| {
2956 workspace.add_item(Box::new(item3.clone()), cx);
2957 });
2958 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2959 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
2960 item3.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
2961 }
2962
2963 #[gpui::test]
2964 async fn test_tracking_active_path(cx: &mut TestAppContext) {
2965 cx.foreground().forbid_parking();
2966 Settings::test_async(cx);
2967 let fs = FakeFs::new(cx.background());
2968 fs.insert_tree(
2969 "/root1",
2970 json!({
2971 "one.txt": "",
2972 "two.txt": "",
2973 }),
2974 )
2975 .await;
2976 fs.insert_tree(
2977 "/root2",
2978 json!({
2979 "three.txt": "",
2980 }),
2981 )
2982 .await;
2983
2984 let project = Project::test(fs, ["root1".as_ref()], cx).await;
2985 let (window_id, workspace) =
2986 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2987 let worktree_id = project.read_with(cx, |project, cx| {
2988 project.worktrees(cx).next().unwrap().read(cx).id()
2989 });
2990
2991 let item1 = cx.add_view(&workspace, |_| {
2992 let mut item = TestItem::new();
2993 item.project_path = Some((worktree_id, "one.txt").into());
2994 item
2995 });
2996 let item2 = cx.add_view(&workspace, |_| {
2997 let mut item = TestItem::new();
2998 item.project_path = Some((worktree_id, "two.txt").into());
2999 item
3000 });
3001
3002 // Add an item to an empty pane
3003 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item1), cx));
3004 project.read_with(cx, |project, cx| {
3005 assert_eq!(
3006 project.active_entry(),
3007 project
3008 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
3009 .map(|e| e.id)
3010 );
3011 });
3012 assert_eq!(
3013 cx.current_window_title(window_id).as_deref(),
3014 Some("one.txt — root1")
3015 );
3016
3017 // Add a second item to a non-empty pane
3018 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item2), cx));
3019 assert_eq!(
3020 cx.current_window_title(window_id).as_deref(),
3021 Some("two.txt — root1")
3022 );
3023 project.read_with(cx, |project, cx| {
3024 assert_eq!(
3025 project.active_entry(),
3026 project
3027 .entry_for_path(&(worktree_id, "two.txt").into(), cx)
3028 .map(|e| e.id)
3029 );
3030 });
3031
3032 // Close the active item
3033 workspace
3034 .update(cx, |workspace, cx| {
3035 Pane::close_active_item(workspace, &Default::default(), cx).unwrap()
3036 })
3037 .await
3038 .unwrap();
3039 assert_eq!(
3040 cx.current_window_title(window_id).as_deref(),
3041 Some("one.txt — root1")
3042 );
3043 project.read_with(cx, |project, cx| {
3044 assert_eq!(
3045 project.active_entry(),
3046 project
3047 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
3048 .map(|e| e.id)
3049 );
3050 });
3051
3052 // Add a project folder
3053 project
3054 .update(cx, |project, cx| {
3055 project.find_or_create_local_worktree("/root2", true, cx)
3056 })
3057 .await
3058 .unwrap();
3059 assert_eq!(
3060 cx.current_window_title(window_id).as_deref(),
3061 Some("one.txt — root1, root2")
3062 );
3063
3064 // Remove a project folder
3065 project.update(cx, |project, cx| {
3066 project.remove_worktree(worktree_id, cx);
3067 });
3068 assert_eq!(
3069 cx.current_window_title(window_id).as_deref(),
3070 Some("one.txt — root2")
3071 );
3072 }
3073
3074 #[gpui::test]
3075 async fn test_close_window(cx: &mut TestAppContext) {
3076 cx.foreground().forbid_parking();
3077 Settings::test_async(cx);
3078 let fs = FakeFs::new(cx.background());
3079 fs.insert_tree("/root", json!({ "one": "" })).await;
3080
3081 let project = Project::test(fs, ["root".as_ref()], cx).await;
3082 let (window_id, workspace) =
3083 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
3084
3085 // When there are no dirty items, there's nothing to do.
3086 let item1 = cx.add_view(&workspace, |_| TestItem::new());
3087 workspace.update(cx, |w, cx| w.add_item(Box::new(item1.clone()), cx));
3088 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
3089 assert!(task.await.unwrap());
3090
3091 // When there are dirty untitled items, prompt to save each one. If the user
3092 // cancels any prompt, then abort.
3093 let item2 = cx.add_view(&workspace, |_| {
3094 let mut item = TestItem::new();
3095 item.is_dirty = true;
3096 item
3097 });
3098 let item3 = cx.add_view(&workspace, |_| {
3099 let mut item = TestItem::new();
3100 item.is_dirty = true;
3101 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3102 item
3103 });
3104 workspace.update(cx, |w, cx| {
3105 w.add_item(Box::new(item2.clone()), cx);
3106 w.add_item(Box::new(item3.clone()), cx);
3107 });
3108 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
3109 cx.foreground().run_until_parked();
3110 cx.simulate_prompt_answer(window_id, 2 /* cancel */);
3111 cx.foreground().run_until_parked();
3112 assert!(!cx.has_pending_prompt(window_id));
3113 assert!(!task.await.unwrap());
3114 }
3115
3116 #[gpui::test]
3117 async fn test_close_pane_items(cx: &mut TestAppContext) {
3118 cx.foreground().forbid_parking();
3119 Settings::test_async(cx);
3120 let fs = FakeFs::new(cx.background());
3121
3122 let project = Project::test(fs, None, cx).await;
3123 let (window_id, workspace) =
3124 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3125
3126 let item1 = cx.add_view(&workspace, |_| {
3127 let mut item = TestItem::new();
3128 item.is_dirty = true;
3129 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3130 item
3131 });
3132 let item2 = cx.add_view(&workspace, |_| {
3133 let mut item = TestItem::new();
3134 item.is_dirty = true;
3135 item.has_conflict = true;
3136 item.project_entry_ids = vec![ProjectEntryId::from_proto(2)];
3137 item
3138 });
3139 let item3 = cx.add_view(&workspace, |_| {
3140 let mut item = TestItem::new();
3141 item.is_dirty = true;
3142 item.has_conflict = true;
3143 item.project_entry_ids = vec![ProjectEntryId::from_proto(3)];
3144 item
3145 });
3146 let item4 = cx.add_view(&workspace, |_| {
3147 let mut item = TestItem::new();
3148 item.is_dirty = true;
3149 item
3150 });
3151 let pane = workspace.update(cx, |workspace, cx| {
3152 workspace.add_item(Box::new(item1.clone()), cx);
3153 workspace.add_item(Box::new(item2.clone()), cx);
3154 workspace.add_item(Box::new(item3.clone()), cx);
3155 workspace.add_item(Box::new(item4.clone()), cx);
3156 workspace.active_pane().clone()
3157 });
3158
3159 let close_items = workspace.update(cx, |workspace, cx| {
3160 pane.update(cx, |pane, cx| {
3161 pane.activate_item(1, true, true, cx);
3162 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3163 });
3164
3165 let item1_id = item1.id();
3166 let item3_id = item3.id();
3167 let item4_id = item4.id();
3168 Pane::close_items(workspace, pane.clone(), cx, move |id| {
3169 [item1_id, item3_id, item4_id].contains(&id)
3170 })
3171 });
3172
3173 cx.foreground().run_until_parked();
3174 pane.read_with(cx, |pane, _| {
3175 assert_eq!(pane.items().count(), 4);
3176 assert_eq!(pane.active_item().unwrap().id(), item1.id());
3177 });
3178
3179 cx.simulate_prompt_answer(window_id, 0);
3180 cx.foreground().run_until_parked();
3181 pane.read_with(cx, |pane, cx| {
3182 assert_eq!(item1.read(cx).save_count, 1);
3183 assert_eq!(item1.read(cx).save_as_count, 0);
3184 assert_eq!(item1.read(cx).reload_count, 0);
3185 assert_eq!(pane.items().count(), 3);
3186 assert_eq!(pane.active_item().unwrap().id(), item3.id());
3187 });
3188
3189 cx.simulate_prompt_answer(window_id, 1);
3190 cx.foreground().run_until_parked();
3191 pane.read_with(cx, |pane, cx| {
3192 assert_eq!(item3.read(cx).save_count, 0);
3193 assert_eq!(item3.read(cx).save_as_count, 0);
3194 assert_eq!(item3.read(cx).reload_count, 1);
3195 assert_eq!(pane.items().count(), 2);
3196 assert_eq!(pane.active_item().unwrap().id(), item4.id());
3197 });
3198
3199 cx.simulate_prompt_answer(window_id, 0);
3200 cx.foreground().run_until_parked();
3201 cx.simulate_new_path_selection(|_| Some(Default::default()));
3202 close_items.await.unwrap();
3203 pane.read_with(cx, |pane, cx| {
3204 assert_eq!(item4.read(cx).save_count, 0);
3205 assert_eq!(item4.read(cx).save_as_count, 1);
3206 assert_eq!(item4.read(cx).reload_count, 0);
3207 assert_eq!(pane.items().count(), 1);
3208 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3209 });
3210 }
3211
3212 #[gpui::test]
3213 async fn test_prompting_to_save_only_on_last_item_for_entry(cx: &mut TestAppContext) {
3214 cx.foreground().forbid_parking();
3215 Settings::test_async(cx);
3216 let fs = FakeFs::new(cx.background());
3217
3218 let project = Project::test(fs, [], cx).await;
3219 let (window_id, workspace) =
3220 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3221
3222 // Create several workspace items with single project entries, and two
3223 // workspace items with multiple project entries.
3224 let single_entry_items = (0..=4)
3225 .map(|project_entry_id| {
3226 let mut item = TestItem::new();
3227 item.is_dirty = true;
3228 item.project_entry_ids = vec![ProjectEntryId::from_proto(project_entry_id)];
3229 item.is_singleton = true;
3230 item
3231 })
3232 .collect::<Vec<_>>();
3233 let item_2_3 = {
3234 let mut item = TestItem::new();
3235 item.is_dirty = true;
3236 item.is_singleton = false;
3237 item.project_entry_ids =
3238 vec![ProjectEntryId::from_proto(2), ProjectEntryId::from_proto(3)];
3239 item
3240 };
3241 let item_3_4 = {
3242 let mut item = TestItem::new();
3243 item.is_dirty = true;
3244 item.is_singleton = false;
3245 item.project_entry_ids =
3246 vec![ProjectEntryId::from_proto(3), ProjectEntryId::from_proto(4)];
3247 item
3248 };
3249
3250 // Create two panes that contain the following project entries:
3251 // left pane:
3252 // multi-entry items: (2, 3)
3253 // single-entry items: 0, 1, 2, 3, 4
3254 // right pane:
3255 // single-entry items: 1
3256 // multi-entry items: (3, 4)
3257 let left_pane = workspace.update(cx, |workspace, cx| {
3258 let left_pane = workspace.active_pane().clone();
3259 workspace.add_item(Box::new(cx.add_view(|_| item_2_3.clone())), cx);
3260 for item in &single_entry_items {
3261 workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
3262 }
3263 left_pane.update(cx, |pane, cx| {
3264 pane.activate_item(2, true, true, cx);
3265 });
3266
3267 workspace
3268 .split_pane(left_pane.clone(), SplitDirection::Right, cx)
3269 .unwrap();
3270
3271 left_pane
3272 });
3273
3274 //Need to cause an effect flush in order to respect new focus
3275 workspace.update(cx, |workspace, cx| {
3276 workspace.add_item(Box::new(cx.add_view(|_| item_3_4.clone())), cx);
3277 cx.focus(left_pane.clone());
3278 });
3279
3280 // When closing all of the items in the left pane, we should be prompted twice:
3281 // once for project entry 0, and once for project entry 2. After those two
3282 // prompts, the task should complete.
3283
3284 let close = workspace.update(cx, |workspace, cx| {
3285 Pane::close_items(workspace, left_pane.clone(), cx, |_| true)
3286 });
3287
3288 cx.foreground().run_until_parked();
3289 left_pane.read_with(cx, |pane, cx| {
3290 assert_eq!(
3291 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3292 &[ProjectEntryId::from_proto(0)]
3293 );
3294 });
3295 cx.simulate_prompt_answer(window_id, 0);
3296
3297 cx.foreground().run_until_parked();
3298 left_pane.read_with(cx, |pane, cx| {
3299 assert_eq!(
3300 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3301 &[ProjectEntryId::from_proto(2)]
3302 );
3303 });
3304 cx.simulate_prompt_answer(window_id, 0);
3305
3306 cx.foreground().run_until_parked();
3307 close.await.unwrap();
3308 left_pane.read_with(cx, |pane, _| {
3309 assert_eq!(pane.items().count(), 0);
3310 });
3311 }
3312
3313 #[gpui::test]
3314 async fn test_autosave(deterministic: Arc<Deterministic>, cx: &mut gpui::TestAppContext) {
3315 deterministic.forbid_parking();
3316
3317 Settings::test_async(cx);
3318 let fs = FakeFs::new(cx.background());
3319
3320 let project = Project::test(fs, [], cx).await;
3321 let (window_id, workspace) =
3322 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3323
3324 let item = cx.add_view(&workspace, |_| {
3325 let mut item = TestItem::new();
3326 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3327 item
3328 });
3329 let item_id = item.id();
3330 workspace.update(cx, |workspace, cx| {
3331 workspace.add_item(Box::new(item.clone()), cx);
3332 });
3333
3334 // Autosave on window change.
3335 item.update(cx, |item, cx| {
3336 cx.update_global(|settings: &mut Settings, _| {
3337 settings.autosave = Autosave::OnWindowChange;
3338 });
3339 item.is_dirty = true;
3340 });
3341
3342 // Deactivating the window saves the file.
3343 cx.simulate_window_activation(None);
3344 deterministic.run_until_parked();
3345 item.read_with(cx, |item, _| assert_eq!(item.save_count, 1));
3346
3347 // Autosave on focus change.
3348 item.update(cx, |item, cx| {
3349 cx.focus_self();
3350 cx.update_global(|settings: &mut Settings, _| {
3351 settings.autosave = Autosave::OnFocusChange;
3352 });
3353 item.is_dirty = true;
3354 });
3355
3356 // Blurring the item saves the file.
3357 item.update(cx, |_, cx| cx.blur());
3358 deterministic.run_until_parked();
3359 item.read_with(cx, |item, _| assert_eq!(item.save_count, 2));
3360
3361 // Deactivating the window still saves the file.
3362 cx.simulate_window_activation(Some(window_id));
3363 item.update(cx, |item, cx| {
3364 cx.focus_self();
3365 item.is_dirty = true;
3366 });
3367 cx.simulate_window_activation(None);
3368
3369 deterministic.run_until_parked();
3370 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3371
3372 // Autosave after delay.
3373 item.update(cx, |item, cx| {
3374 cx.update_global(|settings: &mut Settings, _| {
3375 settings.autosave = Autosave::AfterDelay { milliseconds: 500 };
3376 });
3377 item.is_dirty = true;
3378 cx.emit(TestItemEvent::Edit);
3379 });
3380
3381 // Delay hasn't fully expired, so the file is still dirty and unsaved.
3382 deterministic.advance_clock(Duration::from_millis(250));
3383 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3384
3385 // After delay expires, the file is saved.
3386 deterministic.advance_clock(Duration::from_millis(250));
3387 item.read_with(cx, |item, _| assert_eq!(item.save_count, 4));
3388
3389 // Autosave on focus change, ensuring closing the tab counts as such.
3390 item.update(cx, |item, cx| {
3391 cx.update_global(|settings: &mut Settings, _| {
3392 settings.autosave = Autosave::OnFocusChange;
3393 });
3394 item.is_dirty = true;
3395 });
3396
3397 workspace
3398 .update(cx, |workspace, cx| {
3399 let pane = workspace.active_pane().clone();
3400 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3401 })
3402 .await
3403 .unwrap();
3404 assert!(!cx.has_pending_prompt(window_id));
3405 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3406
3407 // Add the item again, ensuring autosave is prevented if the underlying file has been deleted.
3408 workspace.update(cx, |workspace, cx| {
3409 workspace.add_item(Box::new(item.clone()), cx);
3410 });
3411 item.update(cx, |item, cx| {
3412 item.project_entry_ids = Default::default();
3413 item.is_dirty = true;
3414 cx.blur();
3415 });
3416 deterministic.run_until_parked();
3417 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3418
3419 // Ensure autosave is prevented for deleted files also when closing the buffer.
3420 let _close_items = workspace.update(cx, |workspace, cx| {
3421 let pane = workspace.active_pane().clone();
3422 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3423 });
3424 deterministic.run_until_parked();
3425 assert!(cx.has_pending_prompt(window_id));
3426 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3427 }
3428
3429 #[gpui::test]
3430 async fn test_pane_navigation(
3431 deterministic: Arc<Deterministic>,
3432 cx: &mut gpui::TestAppContext,
3433 ) {
3434 deterministic.forbid_parking();
3435 Settings::test_async(cx);
3436 let fs = FakeFs::new(cx.background());
3437
3438 let project = Project::test(fs, [], cx).await;
3439 let (_, workspace) = cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3440
3441 let item = cx.add_view(&workspace, |_| {
3442 let mut item = TestItem::new();
3443 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3444 item
3445 });
3446 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3447 let toolbar = pane.read_with(cx, |pane, _| pane.toolbar().clone());
3448 let toolbar_notify_count = Rc::new(RefCell::new(0));
3449
3450 workspace.update(cx, |workspace, cx| {
3451 workspace.add_item(Box::new(item.clone()), cx);
3452 let toolbar_notification_count = toolbar_notify_count.clone();
3453 cx.observe(&toolbar, move |_, _, _| {
3454 *toolbar_notification_count.borrow_mut() += 1
3455 })
3456 .detach();
3457 });
3458
3459 pane.read_with(cx, |pane, _| {
3460 assert!(!pane.can_navigate_backward());
3461 assert!(!pane.can_navigate_forward());
3462 });
3463
3464 item.update(cx, |item, cx| {
3465 item.set_state("one".to_string(), cx);
3466 });
3467
3468 // Toolbar must be notified to re-render the navigation buttons
3469 assert_eq!(*toolbar_notify_count.borrow(), 1);
3470
3471 pane.read_with(cx, |pane, _| {
3472 assert!(pane.can_navigate_backward());
3473 assert!(!pane.can_navigate_forward());
3474 });
3475
3476 workspace
3477 .update(cx, |workspace, cx| {
3478 Pane::go_back(workspace, Some(pane.clone()), cx)
3479 })
3480 .await;
3481
3482 assert_eq!(*toolbar_notify_count.borrow(), 3);
3483 pane.read_with(cx, |pane, _| {
3484 assert!(!pane.can_navigate_backward());
3485 assert!(pane.can_navigate_forward());
3486 });
3487 }
3488
3489 pub struct TestItem {
3490 state: String,
3491 pub label: String,
3492 save_count: usize,
3493 save_as_count: usize,
3494 reload_count: usize,
3495 is_dirty: bool,
3496 is_singleton: bool,
3497 has_conflict: bool,
3498 project_entry_ids: Vec<ProjectEntryId>,
3499 project_path: Option<ProjectPath>,
3500 nav_history: Option<ItemNavHistory>,
3501 tab_descriptions: Option<Vec<&'static str>>,
3502 tab_detail: Cell<Option<usize>>,
3503 }
3504
3505 pub enum TestItemEvent {
3506 Edit,
3507 }
3508
3509 impl Clone for TestItem {
3510 fn clone(&self) -> Self {
3511 Self {
3512 state: self.state.clone(),
3513 label: self.label.clone(),
3514 save_count: self.save_count,
3515 save_as_count: self.save_as_count,
3516 reload_count: self.reload_count,
3517 is_dirty: self.is_dirty,
3518 is_singleton: self.is_singleton,
3519 has_conflict: self.has_conflict,
3520 project_entry_ids: self.project_entry_ids.clone(),
3521 project_path: self.project_path.clone(),
3522 nav_history: None,
3523 tab_descriptions: None,
3524 tab_detail: Default::default(),
3525 }
3526 }
3527 }
3528
3529 impl TestItem {
3530 pub fn new() -> Self {
3531 Self {
3532 state: String::new(),
3533 label: String::new(),
3534 save_count: 0,
3535 save_as_count: 0,
3536 reload_count: 0,
3537 is_dirty: false,
3538 has_conflict: false,
3539 project_entry_ids: Vec::new(),
3540 project_path: None,
3541 is_singleton: true,
3542 nav_history: None,
3543 tab_descriptions: None,
3544 tab_detail: Default::default(),
3545 }
3546 }
3547
3548 pub fn with_label(mut self, state: &str) -> Self {
3549 self.label = state.to_string();
3550 self
3551 }
3552
3553 pub fn with_singleton(mut self, singleton: bool) -> Self {
3554 self.is_singleton = singleton;
3555 self
3556 }
3557
3558 pub fn with_project_entry_ids(mut self, project_entry_ids: &[u64]) -> Self {
3559 self.project_entry_ids.extend(
3560 project_entry_ids
3561 .iter()
3562 .copied()
3563 .map(ProjectEntryId::from_proto),
3564 );
3565 self
3566 }
3567
3568 fn set_state(&mut self, state: String, cx: &mut ViewContext<Self>) {
3569 self.push_to_nav_history(cx);
3570 self.state = state;
3571 }
3572
3573 fn push_to_nav_history(&mut self, cx: &mut ViewContext<Self>) {
3574 if let Some(history) = &mut self.nav_history {
3575 history.push(Some(Box::new(self.state.clone())), cx);
3576 }
3577 }
3578 }
3579
3580 impl Entity for TestItem {
3581 type Event = TestItemEvent;
3582 }
3583
3584 impl View for TestItem {
3585 fn ui_name() -> &'static str {
3586 "TestItem"
3587 }
3588
3589 fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
3590 Empty::new().boxed()
3591 }
3592 }
3593
3594 impl Item for TestItem {
3595 fn tab_description<'a>(&'a self, detail: usize, _: &'a AppContext) -> Option<Cow<'a, str>> {
3596 self.tab_descriptions.as_ref().and_then(|descriptions| {
3597 let description = *descriptions.get(detail).or_else(|| descriptions.last())?;
3598 Some(description.into())
3599 })
3600 }
3601
3602 fn tab_content(&self, detail: Option<usize>, _: &theme::Tab, _: &AppContext) -> ElementBox {
3603 self.tab_detail.set(detail);
3604 Empty::new().boxed()
3605 }
3606
3607 fn project_path(&self, _: &AppContext) -> Option<ProjectPath> {
3608 self.project_path.clone()
3609 }
3610
3611 fn project_entry_ids(&self, _: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
3612 self.project_entry_ids.iter().copied().collect()
3613 }
3614
3615 fn is_singleton(&self, _: &AppContext) -> bool {
3616 self.is_singleton
3617 }
3618
3619 fn set_nav_history(&mut self, history: ItemNavHistory, _: &mut ViewContext<Self>) {
3620 self.nav_history = Some(history);
3621 }
3622
3623 fn navigate(&mut self, state: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
3624 let state = *state.downcast::<String>().unwrap_or_default();
3625 if state != self.state {
3626 self.state = state;
3627 true
3628 } else {
3629 false
3630 }
3631 }
3632
3633 fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
3634 self.push_to_nav_history(cx);
3635 }
3636
3637 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
3638 where
3639 Self: Sized,
3640 {
3641 Some(self.clone())
3642 }
3643
3644 fn is_dirty(&self, _: &AppContext) -> bool {
3645 self.is_dirty
3646 }
3647
3648 fn has_conflict(&self, _: &AppContext) -> bool {
3649 self.has_conflict
3650 }
3651
3652 fn can_save(&self, _: &AppContext) -> bool {
3653 !self.project_entry_ids.is_empty()
3654 }
3655
3656 fn save(
3657 &mut self,
3658 _: ModelHandle<Project>,
3659 _: &mut ViewContext<Self>,
3660 ) -> Task<anyhow::Result<()>> {
3661 self.save_count += 1;
3662 self.is_dirty = false;
3663 Task::ready(Ok(()))
3664 }
3665
3666 fn save_as(
3667 &mut self,
3668 _: ModelHandle<Project>,
3669 _: std::path::PathBuf,
3670 _: &mut ViewContext<Self>,
3671 ) -> Task<anyhow::Result<()>> {
3672 self.save_as_count += 1;
3673 self.is_dirty = false;
3674 Task::ready(Ok(()))
3675 }
3676
3677 fn reload(
3678 &mut self,
3679 _: ModelHandle<Project>,
3680 _: &mut ViewContext<Self>,
3681 ) -> Task<anyhow::Result<()>> {
3682 self.reload_count += 1;
3683 self.is_dirty = false;
3684 Task::ready(Ok(()))
3685 }
3686
3687 fn to_item_events(_: &Self::Event) -> Vec<ItemEvent> {
3688 vec![ItemEvent::UpdateTab, ItemEvent::Edit]
3689 }
3690 }
3691}