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, warn};
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::{Sidebar, SidebarButtons, SidebarSide, 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(SidebarSide::Left, cx);
219 });
220 cx.add_action(|workspace: &mut Workspace, _: &ToggleRightSidebar, cx| {
221 workspace.toggle_sidebar(SidebarSide::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 DockAnchorChanged,
879 PaneAdded(ViewHandle<Pane>),
880 ContactRequestedJoin(u64),
881}
882
883pub struct Workspace {
884 weak_self: WeakViewHandle<Self>,
885 client: Arc<Client>,
886 user_store: ModelHandle<client::UserStore>,
887 remote_entity_subscription: Option<Subscription>,
888 fs: Arc<dyn Fs>,
889 modal: Option<AnyViewHandle>,
890 center: PaneGroup,
891 left_sidebar: ViewHandle<Sidebar>,
892 right_sidebar: ViewHandle<Sidebar>,
893 panes: Vec<ViewHandle<Pane>>,
894 panes_by_item: HashMap<usize, WeakViewHandle<Pane>>,
895 active_pane: ViewHandle<Pane>,
896 last_active_center_pane: Option<ViewHandle<Pane>>,
897 status_bar: ViewHandle<StatusBar>,
898 dock: Dock,
899 notifications: Vec<(TypeId, usize, Box<dyn NotificationHandle>)>,
900 project: ModelHandle<Project>,
901 leader_state: LeaderState,
902 follower_states_by_leader: FollowerStatesByLeader,
903 last_leaders_by_pane: HashMap<WeakViewHandle<Pane>, PeerId>,
904 window_edited: bool,
905 _observe_current_user: Task<()>,
906}
907
908#[derive(Default)]
909struct LeaderState {
910 followers: HashSet<PeerId>,
911}
912
913type FollowerStatesByLeader = HashMap<PeerId, HashMap<ViewHandle<Pane>, FollowerState>>;
914
915#[derive(Default)]
916struct FollowerState {
917 active_view_id: Option<u64>,
918 items_by_leader_view_id: HashMap<u64, FollowerItem>,
919}
920
921#[derive(Debug)]
922enum FollowerItem {
923 Loading(Vec<proto::update_view::Variant>),
924 Loaded(Box<dyn FollowableItemHandle>),
925}
926
927impl Workspace {
928 pub fn new(
929 project: ModelHandle<Project>,
930 dock_default_factory: DefaultItemFactory,
931 cx: &mut ViewContext<Self>,
932 ) -> Self {
933 cx.observe_fullscreen(|_, _, cx| cx.notify()).detach();
934
935 cx.observe_window_activation(Self::on_window_activation_changed)
936 .detach();
937 cx.observe(&project, |_, _, cx| cx.notify()).detach();
938 cx.subscribe(&project, move |this, _, event, cx| {
939 match event {
940 project::Event::RemoteIdChanged(remote_id) => {
941 this.project_remote_id_changed(*remote_id, cx);
942 }
943 project::Event::CollaboratorLeft(peer_id) => {
944 this.collaborator_left(*peer_id, cx);
945 }
946 project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded => {
947 this.update_window_title(cx);
948 }
949 project::Event::DisconnectedFromHost => {
950 this.update_window_edited(cx);
951 cx.blur();
952 }
953 _ => {}
954 }
955 cx.notify()
956 })
957 .detach();
958
959 let center_pane = cx.add_view(|cx| Pane::new(None, cx));
960 let pane_id = center_pane.id();
961 cx.subscribe(¢er_pane, move |this, _, event, cx| {
962 this.handle_pane_event(pane_id, event, cx)
963 })
964 .detach();
965 cx.focus(¢er_pane);
966 cx.emit(Event::PaneAdded(center_pane.clone()));
967
968 let fs = project.read(cx).fs().clone();
969 let user_store = project.read(cx).user_store();
970 let client = project.read(cx).client();
971 let mut current_user = user_store.read(cx).watch_current_user();
972 let mut connection_status = client.status();
973 let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
974 current_user.recv().await;
975 connection_status.recv().await;
976 let mut stream =
977 Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
978
979 while stream.recv().await.is_some() {
980 cx.update(|cx| {
981 if let Some(this) = this.upgrade(cx) {
982 this.update(cx, |_, cx| cx.notify());
983 }
984 })
985 }
986 });
987
988 let handle = cx.handle();
989 let weak_handle = cx.weak_handle();
990
991 cx.emit_global(WorkspaceCreated(weak_handle.clone()));
992
993 let dock = Dock::new(cx, dock_default_factory);
994 let dock_pane = dock.pane().clone();
995
996 let left_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Left));
997 let right_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Right));
998 let left_sidebar_buttons = cx.add_view(|cx| SidebarButtons::new(left_sidebar.clone(), cx));
999 let toggle_dock = cx.add_view(|cx| ToggleDockButton::new(handle, cx));
1000 let right_sidebar_buttons =
1001 cx.add_view(|cx| SidebarButtons::new(right_sidebar.clone(), cx));
1002 let status_bar = cx.add_view(|cx| {
1003 let mut status_bar = StatusBar::new(¢er_pane.clone(), cx);
1004 status_bar.add_left_item(left_sidebar_buttons, cx);
1005 status_bar.add_right_item(right_sidebar_buttons, cx);
1006 status_bar.add_right_item(toggle_dock, cx);
1007 status_bar
1008 });
1009
1010 cx.update_default_global::<DragAndDrop<Workspace>, _, _>(|drag_and_drop, _| {
1011 drag_and_drop.register_container(weak_handle.clone());
1012 });
1013
1014 let mut this = Workspace {
1015 modal: None,
1016 weak_self: weak_handle,
1017 center: PaneGroup::new(center_pane.clone()),
1018 dock,
1019 // When removing an item, the last element remaining in this array
1020 // is used to find where focus should fallback to. As such, the order
1021 // of these two variables is important.
1022 panes: vec![dock_pane, center_pane.clone()],
1023 panes_by_item: Default::default(),
1024 active_pane: center_pane.clone(),
1025 last_active_center_pane: Some(center_pane.clone()),
1026 status_bar,
1027 notifications: Default::default(),
1028 client,
1029 remote_entity_subscription: None,
1030 user_store,
1031 fs,
1032 left_sidebar,
1033 right_sidebar,
1034 project,
1035 leader_state: Default::default(),
1036 follower_states_by_leader: Default::default(),
1037 last_leaders_by_pane: Default::default(),
1038 window_edited: false,
1039 _observe_current_user,
1040 };
1041 this.project_remote_id_changed(this.project.read(cx).remote_id(), cx);
1042 cx.defer(|this, cx| this.update_window_title(cx));
1043
1044 this
1045 }
1046
1047 pub fn weak_handle(&self) -> WeakViewHandle<Self> {
1048 self.weak_self.clone()
1049 }
1050
1051 pub fn left_sidebar(&self) -> &ViewHandle<Sidebar> {
1052 &self.left_sidebar
1053 }
1054
1055 pub fn right_sidebar(&self) -> &ViewHandle<Sidebar> {
1056 &self.right_sidebar
1057 }
1058
1059 pub fn status_bar(&self) -> &ViewHandle<StatusBar> {
1060 &self.status_bar
1061 }
1062
1063 pub fn user_store(&self) -> &ModelHandle<UserStore> {
1064 &self.user_store
1065 }
1066
1067 pub fn project(&self) -> &ModelHandle<Project> {
1068 &self.project
1069 }
1070
1071 /// Call the given callback with a workspace whose project is local.
1072 ///
1073 /// If the given workspace has a local project, then it will be passed
1074 /// to the callback. Otherwise, a new empty window will be created.
1075 pub fn with_local_workspace<T, F>(
1076 &mut self,
1077 cx: &mut ViewContext<Self>,
1078 app_state: Arc<AppState>,
1079 callback: F,
1080 ) -> T
1081 where
1082 T: 'static,
1083 F: FnOnce(&mut Workspace, &mut ViewContext<Workspace>) -> T,
1084 {
1085 if self.project.read(cx).is_local() {
1086 callback(self, cx)
1087 } else {
1088 let (_, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
1089 let mut workspace = Workspace::new(
1090 Project::local(
1091 false,
1092 app_state.client.clone(),
1093 app_state.user_store.clone(),
1094 app_state.project_store.clone(),
1095 app_state.languages.clone(),
1096 app_state.fs.clone(),
1097 cx,
1098 ),
1099 app_state.default_item_factory,
1100 cx,
1101 );
1102 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
1103 workspace
1104 });
1105 workspace.update(cx, callback)
1106 }
1107 }
1108
1109 pub fn worktrees<'a>(
1110 &self,
1111 cx: &'a AppContext,
1112 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1113 self.project.read(cx).worktrees(cx)
1114 }
1115
1116 pub fn visible_worktrees<'a>(
1117 &self,
1118 cx: &'a AppContext,
1119 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
1120 self.project.read(cx).visible_worktrees(cx)
1121 }
1122
1123 pub fn worktree_scans_complete(&self, cx: &AppContext) -> impl Future<Output = ()> + 'static {
1124 let futures = self
1125 .worktrees(cx)
1126 .filter_map(|worktree| worktree.read(cx).as_local())
1127 .map(|worktree| worktree.scan_complete())
1128 .collect::<Vec<_>>();
1129 async move {
1130 for future in futures {
1131 future.await;
1132 }
1133 }
1134 }
1135
1136 pub fn close(
1137 &mut self,
1138 _: &CloseWindow,
1139 cx: &mut ViewContext<Self>,
1140 ) -> Option<Task<Result<()>>> {
1141 let prepare = self.prepare_to_close(cx);
1142 Some(cx.spawn(|this, mut cx| async move {
1143 if prepare.await? {
1144 this.update(&mut cx, |_, cx| {
1145 let window_id = cx.window_id();
1146 cx.remove_window(window_id);
1147 });
1148 }
1149 Ok(())
1150 }))
1151 }
1152
1153 pub fn prepare_to_close(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<bool>> {
1154 self.save_all_internal(true, cx)
1155 }
1156
1157 fn save_all(&mut self, _: &SaveAll, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
1158 let save_all = self.save_all_internal(false, cx);
1159 Some(cx.foreground().spawn(async move {
1160 save_all.await?;
1161 Ok(())
1162 }))
1163 }
1164
1165 fn save_all_internal(
1166 &mut self,
1167 should_prompt_to_save: bool,
1168 cx: &mut ViewContext<Self>,
1169 ) -> Task<Result<bool>> {
1170 if self.project.read(cx).is_read_only() {
1171 return Task::ready(Ok(true));
1172 }
1173
1174 let dirty_items = self
1175 .panes
1176 .iter()
1177 .flat_map(|pane| {
1178 pane.read(cx).items().filter_map(|item| {
1179 if item.is_dirty(cx) {
1180 Some((pane.clone(), item.boxed_clone()))
1181 } else {
1182 None
1183 }
1184 })
1185 })
1186 .collect::<Vec<_>>();
1187
1188 let project = self.project.clone();
1189 cx.spawn_weak(|_, mut cx| async move {
1190 for (pane, item) in dirty_items {
1191 let (singleton, project_entry_ids) =
1192 cx.read(|cx| (item.is_singleton(cx), item.project_entry_ids(cx)));
1193 if singleton || !project_entry_ids.is_empty() {
1194 if let Some(ix) =
1195 pane.read_with(&cx, |pane, _| pane.index_for_item(item.as_ref()))
1196 {
1197 if !Pane::save_item(
1198 project.clone(),
1199 &pane,
1200 ix,
1201 &*item,
1202 should_prompt_to_save,
1203 &mut cx,
1204 )
1205 .await?
1206 {
1207 return Ok(false);
1208 }
1209 }
1210 }
1211 }
1212 Ok(true)
1213 })
1214 }
1215
1216 #[allow(clippy::type_complexity)]
1217 pub fn open_paths(
1218 &mut self,
1219 mut abs_paths: Vec<PathBuf>,
1220 visible: bool,
1221 cx: &mut ViewContext<Self>,
1222 ) -> Task<Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>> {
1223 let fs = self.fs.clone();
1224
1225 // Sort the paths to ensure we add worktrees for parents before their children.
1226 abs_paths.sort_unstable();
1227 cx.spawn(|this, mut cx| async move {
1228 let mut project_paths = Vec::new();
1229 for path in &abs_paths {
1230 project_paths.push(
1231 this.update(&mut cx, |this, cx| {
1232 this.project_path_for_path(path, visible, cx)
1233 })
1234 .await
1235 .log_err(),
1236 );
1237 }
1238
1239 let tasks = abs_paths
1240 .iter()
1241 .cloned()
1242 .zip(project_paths.into_iter())
1243 .map(|(abs_path, project_path)| {
1244 let this = this.clone();
1245 cx.spawn(|mut cx| {
1246 let fs = fs.clone();
1247 async move {
1248 let (_worktree, project_path) = project_path?;
1249 if fs.is_file(&abs_path).await {
1250 Some(
1251 this.update(&mut cx, |this, cx| {
1252 this.open_path(project_path, true, cx)
1253 })
1254 .await,
1255 )
1256 } else {
1257 None
1258 }
1259 }
1260 })
1261 })
1262 .collect::<Vec<_>>();
1263
1264 futures::future::join_all(tasks).await
1265 })
1266 }
1267
1268 fn add_folder_to_project(&mut self, _: &AddFolderToProject, cx: &mut ViewContext<Self>) {
1269 let mut paths = cx.prompt_for_paths(PathPromptOptions {
1270 files: false,
1271 directories: true,
1272 multiple: true,
1273 });
1274 cx.spawn(|this, mut cx| async move {
1275 if let Some(paths) = paths.recv().await.flatten() {
1276 let results = this
1277 .update(&mut cx, |this, cx| this.open_paths(paths, true, cx))
1278 .await;
1279 for result in results.into_iter().flatten() {
1280 result.log_err();
1281 }
1282 }
1283 })
1284 .detach();
1285 }
1286
1287 fn remove_folder_from_project(
1288 &mut self,
1289 RemoveWorktreeFromProject(worktree_id): &RemoveWorktreeFromProject,
1290 cx: &mut ViewContext<Self>,
1291 ) {
1292 self.project
1293 .update(cx, |project, cx| project.remove_worktree(*worktree_id, cx));
1294 }
1295
1296 fn toggle_project_online(&mut self, action: &ToggleProjectOnline, cx: &mut ViewContext<Self>) {
1297 let project = action
1298 .project
1299 .clone()
1300 .unwrap_or_else(|| self.project.clone());
1301 project.update(cx, |project, cx| {
1302 let public = !project.is_online();
1303 project.set_online(public, cx);
1304 });
1305 }
1306
1307 fn project_path_for_path(
1308 &self,
1309 abs_path: &Path,
1310 visible: bool,
1311 cx: &mut ViewContext<Self>,
1312 ) -> Task<Result<(ModelHandle<Worktree>, ProjectPath)>> {
1313 let entry = self.project().update(cx, |project, cx| {
1314 project.find_or_create_local_worktree(abs_path, visible, cx)
1315 });
1316 cx.spawn(|_, cx| async move {
1317 let (worktree, path) = entry.await?;
1318 let worktree_id = worktree.read_with(&cx, |t, _| t.id());
1319 Ok((
1320 worktree,
1321 ProjectPath {
1322 worktree_id,
1323 path: path.into(),
1324 },
1325 ))
1326 })
1327 }
1328
1329 /// Returns the modal that was toggled closed if it was open.
1330 pub fn toggle_modal<V, F>(
1331 &mut self,
1332 cx: &mut ViewContext<Self>,
1333 add_view: F,
1334 ) -> Option<ViewHandle<V>>
1335 where
1336 V: 'static + View,
1337 F: FnOnce(&mut Self, &mut ViewContext<Self>) -> ViewHandle<V>,
1338 {
1339 cx.notify();
1340 // Whatever modal was visible is getting clobbered. If its the same type as V, then return
1341 // it. Otherwise, create a new modal and set it as active.
1342 let already_open_modal = self.modal.take().and_then(|modal| modal.downcast::<V>());
1343 if let Some(already_open_modal) = already_open_modal {
1344 cx.focus_self();
1345 Some(already_open_modal)
1346 } else {
1347 let modal = add_view(self, cx);
1348 cx.focus(&modal);
1349 self.modal = Some(modal.into());
1350 None
1351 }
1352 }
1353
1354 pub fn modal<V: 'static + View>(&self) -> Option<ViewHandle<V>> {
1355 self.modal
1356 .as_ref()
1357 .and_then(|modal| modal.clone().downcast::<V>())
1358 }
1359
1360 pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
1361 if self.modal.take().is_some() {
1362 cx.focus(&self.active_pane);
1363 cx.notify();
1364 }
1365 }
1366
1367 pub fn show_notification<V: Notification>(
1368 &mut self,
1369 id: usize,
1370 cx: &mut ViewContext<Self>,
1371 build_notification: impl FnOnce(&mut ViewContext<Self>) -> ViewHandle<V>,
1372 ) {
1373 let type_id = TypeId::of::<V>();
1374 if self
1375 .notifications
1376 .iter()
1377 .all(|(existing_type_id, existing_id, _)| {
1378 (*existing_type_id, *existing_id) != (type_id, id)
1379 })
1380 {
1381 let notification = build_notification(cx);
1382 cx.subscribe(¬ification, move |this, handle, event, cx| {
1383 if handle.read(cx).should_dismiss_notification_on_event(event) {
1384 this.dismiss_notification(type_id, id, cx);
1385 }
1386 })
1387 .detach();
1388 self.notifications
1389 .push((type_id, id, Box::new(notification)));
1390 cx.notify();
1391 }
1392 }
1393
1394 fn dismiss_notification(&mut self, type_id: TypeId, id: usize, cx: &mut ViewContext<Self>) {
1395 self.notifications
1396 .retain(|(existing_type_id, existing_id, _)| {
1397 if (*existing_type_id, *existing_id) == (type_id, id) {
1398 cx.notify();
1399 false
1400 } else {
1401 true
1402 }
1403 });
1404 }
1405
1406 pub fn items<'a>(
1407 &'a self,
1408 cx: &'a AppContext,
1409 ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
1410 self.panes.iter().flat_map(|pane| pane.read(cx).items())
1411 }
1412
1413 pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
1414 self.items_of_type(cx).max_by_key(|item| item.id())
1415 }
1416
1417 pub fn items_of_type<'a, T: Item>(
1418 &'a self,
1419 cx: &'a AppContext,
1420 ) -> impl 'a + Iterator<Item = ViewHandle<T>> {
1421 self.panes
1422 .iter()
1423 .flat_map(|pane| pane.read(cx).items_of_type())
1424 }
1425
1426 pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
1427 self.active_pane().read(cx).active_item()
1428 }
1429
1430 fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
1431 self.active_item(cx).and_then(|item| item.project_path(cx))
1432 }
1433
1434 pub fn save_active_item(
1435 &mut self,
1436 force_name_change: bool,
1437 cx: &mut ViewContext<Self>,
1438 ) -> Task<Result<()>> {
1439 let project = self.project.clone();
1440 if let Some(item) = self.active_item(cx) {
1441 if !force_name_change && item.can_save(cx) {
1442 if item.has_conflict(cx.as_ref()) {
1443 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1444
1445 let mut answer = cx.prompt(
1446 PromptLevel::Warning,
1447 CONFLICT_MESSAGE,
1448 &["Overwrite", "Cancel"],
1449 );
1450 cx.spawn(|_, mut cx| async move {
1451 let answer = answer.recv().await;
1452 if answer == Some(0) {
1453 cx.update(|cx| item.save(project, cx)).await?;
1454 }
1455 Ok(())
1456 })
1457 } else {
1458 item.save(project, cx)
1459 }
1460 } else if item.is_singleton(cx) {
1461 let worktree = self.worktrees(cx).next();
1462 let start_abs_path = worktree
1463 .and_then(|w| w.read(cx).as_local())
1464 .map_or(Path::new(""), |w| w.abs_path())
1465 .to_path_buf();
1466 let mut abs_path = cx.prompt_for_new_path(&start_abs_path);
1467 cx.spawn(|_, mut cx| async move {
1468 if let Some(abs_path) = abs_path.recv().await.flatten() {
1469 cx.update(|cx| item.save_as(project, abs_path, cx)).await?;
1470 }
1471 Ok(())
1472 })
1473 } else {
1474 Task::ready(Ok(()))
1475 }
1476 } else {
1477 Task::ready(Ok(()))
1478 }
1479 }
1480
1481 pub fn toggle_sidebar(&mut self, sidebar_side: SidebarSide, cx: &mut ViewContext<Self>) {
1482 let sidebar = match sidebar_side {
1483 SidebarSide::Left => &mut self.left_sidebar,
1484 SidebarSide::Right => &mut self.right_sidebar,
1485 };
1486 let open = sidebar.update(cx, |sidebar, cx| {
1487 let open = !sidebar.is_open();
1488 sidebar.set_open(open, cx);
1489 open
1490 });
1491
1492 if open {
1493 Dock::hide_on_sidebar_shown(self, sidebar_side, cx);
1494 }
1495
1496 cx.focus_self();
1497 cx.notify();
1498 }
1499
1500 pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
1501 let sidebar = match action.sidebar_side {
1502 SidebarSide::Left => &mut self.left_sidebar,
1503 SidebarSide::Right => &mut self.right_sidebar,
1504 };
1505 let active_item = sidebar.update(cx, move |sidebar, cx| {
1506 if sidebar.is_open() && sidebar.active_item_ix() == action.item_index {
1507 sidebar.set_open(false, cx);
1508 None
1509 } else {
1510 sidebar.set_open(true, cx);
1511 sidebar.activate_item(action.item_index, cx);
1512 sidebar.active_item().cloned()
1513 }
1514 });
1515
1516 if let Some(active_item) = active_item {
1517 Dock::hide_on_sidebar_shown(self, action.sidebar_side, cx);
1518
1519 if active_item.is_focused(cx) {
1520 cx.focus_self();
1521 } else {
1522 cx.focus(active_item.to_any());
1523 }
1524 } else {
1525 cx.focus_self();
1526 }
1527 cx.notify();
1528 }
1529
1530 pub fn toggle_sidebar_item_focus(
1531 &mut self,
1532 sidebar_side: SidebarSide,
1533 item_index: usize,
1534 cx: &mut ViewContext<Self>,
1535 ) {
1536 let sidebar = match sidebar_side {
1537 SidebarSide::Left => &mut self.left_sidebar,
1538 SidebarSide::Right => &mut self.right_sidebar,
1539 };
1540 let active_item = sidebar.update(cx, |sidebar, cx| {
1541 sidebar.set_open(true, cx);
1542 sidebar.activate_item(item_index, cx);
1543 sidebar.active_item().cloned()
1544 });
1545 if let Some(active_item) = active_item {
1546 Dock::hide_on_sidebar_shown(self, sidebar_side, cx);
1547
1548 if active_item.is_focused(cx) {
1549 cx.focus_self();
1550 } else {
1551 cx.focus(active_item.to_any());
1552 }
1553 }
1554 cx.notify();
1555 }
1556
1557 pub fn focus_center(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
1558 cx.focus_self();
1559 cx.notify();
1560 }
1561
1562 fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
1563 let pane = cx.add_view(|cx| Pane::new(None, cx));
1564 let pane_id = pane.id();
1565 cx.subscribe(&pane, move |this, _, event, cx| {
1566 this.handle_pane_event(pane_id, event, cx)
1567 })
1568 .detach();
1569 self.panes.push(pane.clone());
1570 cx.focus(pane.clone());
1571 cx.emit(Event::PaneAdded(pane.clone()));
1572 pane
1573 }
1574
1575 pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
1576 let active_pane = self.active_pane().clone();
1577 Pane::add_item(self, &active_pane, item, true, true, None, cx);
1578 }
1579
1580 pub fn open_path(
1581 &mut self,
1582 path: impl Into<ProjectPath>,
1583 focus_item: bool,
1584 cx: &mut ViewContext<Self>,
1585 ) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
1586 let pane = self.active_pane().downgrade();
1587 let task = self.load_path(path.into(), cx);
1588 cx.spawn(|this, mut cx| async move {
1589 let (project_entry_id, build_item) = task.await?;
1590 let pane = pane
1591 .upgrade(&cx)
1592 .ok_or_else(|| anyhow!("pane was closed"))?;
1593 this.update(&mut cx, |this, cx| {
1594 Ok(Pane::open_item(
1595 this,
1596 pane,
1597 project_entry_id,
1598 focus_item,
1599 cx,
1600 build_item,
1601 ))
1602 })
1603 })
1604 }
1605
1606 pub(crate) fn load_path(
1607 &mut self,
1608 path: ProjectPath,
1609 cx: &mut ViewContext<Self>,
1610 ) -> Task<
1611 Result<(
1612 ProjectEntryId,
1613 impl 'static + FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
1614 )>,
1615 > {
1616 let project = self.project().clone();
1617 let project_item = project.update(cx, |project, cx| project.open_path(path, cx));
1618 cx.as_mut().spawn(|mut cx| async move {
1619 let (project_entry_id, project_item) = project_item.await?;
1620 let build_item = cx.update(|cx| {
1621 cx.default_global::<ProjectItemBuilders>()
1622 .get(&project_item.model_type())
1623 .ok_or_else(|| anyhow!("no item builder for project item"))
1624 .cloned()
1625 })?;
1626 let build_item =
1627 move |cx: &mut ViewContext<Pane>| build_item(project, project_item, cx);
1628 Ok((project_entry_id, build_item))
1629 })
1630 }
1631
1632 pub fn open_project_item<T>(
1633 &mut self,
1634 project_item: ModelHandle<T::Item>,
1635 cx: &mut ViewContext<Self>,
1636 ) -> ViewHandle<T>
1637 where
1638 T: ProjectItem,
1639 {
1640 use project::Item as _;
1641
1642 let entry_id = project_item.read(cx).entry_id(cx);
1643 if let Some(item) = entry_id
1644 .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
1645 .and_then(|item| item.downcast())
1646 {
1647 self.activate_item(&item, cx);
1648 return item;
1649 }
1650
1651 let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
1652 self.add_item(Box::new(item.clone()), cx);
1653 item
1654 }
1655
1656 pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
1657 let result = self.panes.iter().find_map(|pane| {
1658 pane.read(cx)
1659 .index_for_item(item)
1660 .map(|ix| (pane.clone(), ix))
1661 });
1662 if let Some((pane, ix)) = result {
1663 pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
1664 true
1665 } else {
1666 false
1667 }
1668 }
1669
1670 fn activate_pane_at_index(&mut self, action: &ActivatePane, cx: &mut ViewContext<Self>) {
1671 let panes = self.center.panes();
1672 if let Some(pane) = panes.get(action.0).map(|p| (*p).clone()) {
1673 cx.focus(pane);
1674 } else {
1675 self.split_pane(self.active_pane.clone(), SplitDirection::Right, cx);
1676 }
1677 }
1678
1679 pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
1680 let next_pane = {
1681 let panes = self.center.panes();
1682 let ix = panes
1683 .iter()
1684 .position(|pane| **pane == self.active_pane)
1685 .unwrap();
1686 let next_ix = (ix + 1) % panes.len();
1687 panes[next_ix].clone()
1688 };
1689 cx.focus(next_pane);
1690 }
1691
1692 pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
1693 let prev_pane = {
1694 let panes = self.center.panes();
1695 let ix = panes
1696 .iter()
1697 .position(|pane| **pane == self.active_pane)
1698 .unwrap();
1699 let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
1700 panes[prev_ix].clone()
1701 };
1702 cx.focus(prev_pane);
1703 }
1704
1705 fn handle_pane_focused(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1706 if self.active_pane != pane {
1707 self.active_pane
1708 .update(cx, |pane, cx| pane.set_active(false, cx));
1709 self.active_pane = pane.clone();
1710 self.active_pane
1711 .update(cx, |pane, cx| pane.set_active(true, cx));
1712 self.status_bar.update(cx, |status_bar, cx| {
1713 status_bar.set_active_pane(&self.active_pane, cx);
1714 });
1715 self.active_item_path_changed(cx);
1716
1717 if &pane == self.dock_pane() {
1718 Dock::show(self, cx);
1719 } else {
1720 self.last_active_center_pane = Some(pane.clone());
1721 if self.dock.is_anchored_at(DockAnchor::Expanded) {
1722 Dock::hide(self, cx);
1723 }
1724 }
1725 cx.notify();
1726 }
1727
1728 self.update_followers(
1729 proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
1730 id: self.active_item(cx).map(|item| item.id() as u64),
1731 leader_id: self.leader_for_pane(&pane).map(|id| id.0),
1732 }),
1733 cx,
1734 );
1735 }
1736
1737 fn handle_pane_event(
1738 &mut self,
1739 pane_id: usize,
1740 event: &pane::Event,
1741 cx: &mut ViewContext<Self>,
1742 ) {
1743 if let Some(pane) = self.pane(pane_id) {
1744 let is_dock = &pane == self.dock.pane();
1745 match event {
1746 pane::Event::Split(direction) if !is_dock => {
1747 self.split_pane(pane, *direction, cx);
1748 }
1749 pane::Event::Remove if !is_dock => self.remove_pane(pane, cx),
1750 pane::Event::Remove if is_dock => Dock::hide(self, cx),
1751 pane::Event::Focused => self.handle_pane_focused(pane, cx),
1752 pane::Event::ActivateItem { local } => {
1753 if *local {
1754 self.unfollow(&pane, cx);
1755 }
1756 if &pane == self.active_pane() {
1757 self.active_item_path_changed(cx);
1758 }
1759 }
1760 pane::Event::ChangeItemTitle => {
1761 if pane == self.active_pane {
1762 self.active_item_path_changed(cx);
1763 }
1764 self.update_window_edited(cx);
1765 }
1766 pane::Event::RemoveItem { item_id } => {
1767 self.update_window_edited(cx);
1768 if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(*item_id) {
1769 if entry.get().id() == pane.id() {
1770 entry.remove();
1771 }
1772 }
1773 }
1774 _ => {}
1775 }
1776 } else if self.dock.visible_pane().is_none() {
1777 error!("pane {} not found", pane_id);
1778 }
1779 }
1780
1781 pub fn split_pane(
1782 &mut self,
1783 pane: ViewHandle<Pane>,
1784 direction: SplitDirection,
1785 cx: &mut ViewContext<Self>,
1786 ) -> Option<ViewHandle<Pane>> {
1787 if &pane == self.dock_pane() {
1788 warn!("Can't split dock pane.");
1789 return None;
1790 }
1791
1792 pane.read(cx).active_item().map(|item| {
1793 let new_pane = self.add_pane(cx);
1794 if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1795 Pane::add_item(self, &new_pane, clone, true, true, None, cx);
1796 }
1797 self.center.split(&pane, &new_pane, direction).unwrap();
1798 cx.notify();
1799 new_pane
1800 })
1801 }
1802
1803 fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1804 if self.center.remove(&pane).unwrap() {
1805 self.panes.retain(|p| p != &pane);
1806 cx.focus(self.panes.last().unwrap().clone());
1807 self.unfollow(&pane, cx);
1808 self.last_leaders_by_pane.remove(&pane.downgrade());
1809 for removed_item in pane.read(cx).items() {
1810 self.panes_by_item.remove(&removed_item.id());
1811 }
1812 if self.last_active_center_pane == Some(pane) {
1813 self.last_active_center_pane = None;
1814 }
1815
1816 cx.notify();
1817 } else {
1818 self.active_item_path_changed(cx);
1819 }
1820 }
1821
1822 pub fn panes(&self) -> &[ViewHandle<Pane>] {
1823 &self.panes
1824 }
1825
1826 fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1827 self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1828 }
1829
1830 pub fn active_pane(&self) -> &ViewHandle<Pane> {
1831 &self.active_pane
1832 }
1833
1834 pub fn dock_pane(&self) -> &ViewHandle<Pane> {
1835 self.dock.pane()
1836 }
1837
1838 fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
1839 if let Some(remote_id) = remote_id {
1840 self.remote_entity_subscription =
1841 Some(self.client.add_view_for_remote_entity(remote_id, cx));
1842 } else {
1843 self.remote_entity_subscription.take();
1844 }
1845 }
1846
1847 fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
1848 self.leader_state.followers.remove(&peer_id);
1849 if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
1850 for state in states_by_pane.into_values() {
1851 for item in state.items_by_leader_view_id.into_values() {
1852 if let FollowerItem::Loaded(item) = item {
1853 item.set_leader_replica_id(None, cx);
1854 }
1855 }
1856 }
1857 }
1858 cx.notify();
1859 }
1860
1861 pub fn toggle_follow(
1862 &mut self,
1863 ToggleFollow(leader_id): &ToggleFollow,
1864 cx: &mut ViewContext<Self>,
1865 ) -> Option<Task<Result<()>>> {
1866 let leader_id = *leader_id;
1867 let pane = self.active_pane().clone();
1868
1869 if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
1870 if leader_id == prev_leader_id {
1871 return None;
1872 }
1873 }
1874
1875 self.last_leaders_by_pane
1876 .insert(pane.downgrade(), leader_id);
1877 self.follower_states_by_leader
1878 .entry(leader_id)
1879 .or_default()
1880 .insert(pane.clone(), Default::default());
1881 cx.notify();
1882
1883 let project_id = self.project.read(cx).remote_id()?;
1884 let request = self.client.request(proto::Follow {
1885 project_id,
1886 leader_id: leader_id.0,
1887 });
1888 Some(cx.spawn_weak(|this, mut cx| async move {
1889 let response = request.await?;
1890 if let Some(this) = this.upgrade(&cx) {
1891 this.update(&mut cx, |this, _| {
1892 let state = this
1893 .follower_states_by_leader
1894 .get_mut(&leader_id)
1895 .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
1896 .ok_or_else(|| anyhow!("following interrupted"))?;
1897 state.active_view_id = response.active_view_id;
1898 Ok::<_, anyhow::Error>(())
1899 })?;
1900 Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
1901 .await?;
1902 }
1903 Ok(())
1904 }))
1905 }
1906
1907 pub fn follow_next_collaborator(
1908 &mut self,
1909 _: &FollowNextCollaborator,
1910 cx: &mut ViewContext<Self>,
1911 ) -> Option<Task<Result<()>>> {
1912 let collaborators = self.project.read(cx).collaborators();
1913 let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
1914 let mut collaborators = collaborators.keys().copied();
1915 for peer_id in collaborators.by_ref() {
1916 if peer_id == leader_id {
1917 break;
1918 }
1919 }
1920 collaborators.next()
1921 } else if let Some(last_leader_id) =
1922 self.last_leaders_by_pane.get(&self.active_pane.downgrade())
1923 {
1924 if collaborators.contains_key(last_leader_id) {
1925 Some(*last_leader_id)
1926 } else {
1927 None
1928 }
1929 } else {
1930 None
1931 };
1932
1933 next_leader_id
1934 .or_else(|| collaborators.keys().copied().next())
1935 .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
1936 }
1937
1938 pub fn unfollow(
1939 &mut self,
1940 pane: &ViewHandle<Pane>,
1941 cx: &mut ViewContext<Self>,
1942 ) -> Option<PeerId> {
1943 for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
1944 let leader_id = *leader_id;
1945 if let Some(state) = states_by_pane.remove(pane) {
1946 for (_, item) in state.items_by_leader_view_id {
1947 if let FollowerItem::Loaded(item) = item {
1948 item.set_leader_replica_id(None, cx);
1949 }
1950 }
1951
1952 if states_by_pane.is_empty() {
1953 self.follower_states_by_leader.remove(&leader_id);
1954 if let Some(project_id) = self.project.read(cx).remote_id() {
1955 self.client
1956 .send(proto::Unfollow {
1957 project_id,
1958 leader_id: leader_id.0,
1959 })
1960 .log_err();
1961 }
1962 }
1963
1964 cx.notify();
1965 return Some(leader_id);
1966 }
1967 }
1968 None
1969 }
1970
1971 fn render_connection_status(&self, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
1972 let theme = &cx.global::<Settings>().theme;
1973 match &*self.client.status().borrow() {
1974 client::Status::ConnectionError
1975 | client::Status::ConnectionLost
1976 | client::Status::Reauthenticating { .. }
1977 | client::Status::Reconnecting { .. }
1978 | client::Status::ReconnectionError { .. } => Some(
1979 Container::new(
1980 Align::new(
1981 ConstrainedBox::new(
1982 Svg::new("icons/cloud_slash_12.svg")
1983 .with_color(theme.workspace.titlebar.offline_icon.color)
1984 .boxed(),
1985 )
1986 .with_width(theme.workspace.titlebar.offline_icon.width)
1987 .boxed(),
1988 )
1989 .boxed(),
1990 )
1991 .with_style(theme.workspace.titlebar.offline_icon.container)
1992 .boxed(),
1993 ),
1994 client::Status::UpgradeRequired => Some(
1995 Label::new(
1996 "Please update Zed to collaborate".to_string(),
1997 theme.workspace.titlebar.outdated_warning.text.clone(),
1998 )
1999 .contained()
2000 .with_style(theme.workspace.titlebar.outdated_warning.container)
2001 .aligned()
2002 .boxed(),
2003 ),
2004 _ => None,
2005 }
2006 }
2007
2008 fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
2009 let project = &self.project.read(cx);
2010 let replica_id = project.replica_id();
2011 let mut worktree_root_names = String::new();
2012 for (i, name) in project.worktree_root_names(cx).enumerate() {
2013 if i > 0 {
2014 worktree_root_names.push_str(", ");
2015 }
2016 worktree_root_names.push_str(name);
2017 }
2018
2019 // TODO: There should be a better system in place for this
2020 // (https://github.com/zed-industries/zed/issues/1290)
2021 let is_fullscreen = cx.window_is_fullscreen(cx.window_id());
2022 let container_theme = if is_fullscreen {
2023 let mut container_theme = theme.workspace.titlebar.container;
2024 container_theme.padding.left = container_theme.padding.right;
2025 container_theme
2026 } else {
2027 theme.workspace.titlebar.container
2028 };
2029
2030 enum TitleBar {}
2031 ConstrainedBox::new(
2032 MouseEventHandler::<TitleBar>::new(0, cx, |_, cx| {
2033 Container::new(
2034 Stack::new()
2035 .with_child(
2036 Label::new(worktree_root_names, theme.workspace.titlebar.title.clone())
2037 .aligned()
2038 .left()
2039 .boxed(),
2040 )
2041 .with_child(
2042 Align::new(
2043 Flex::row()
2044 .with_children(self.render_collaborators(theme, cx))
2045 .with_children(self.render_current_user(
2046 self.user_store.read(cx).current_user().as_ref(),
2047 replica_id,
2048 theme,
2049 cx,
2050 ))
2051 .with_children(self.render_connection_status(cx))
2052 .boxed(),
2053 )
2054 .right()
2055 .boxed(),
2056 )
2057 .boxed(),
2058 )
2059 .with_style(container_theme)
2060 .boxed()
2061 })
2062 .on_click(MouseButton::Left, |event, cx| {
2063 if event.click_count == 2 {
2064 cx.zoom_window(cx.window_id());
2065 }
2066 })
2067 .boxed(),
2068 )
2069 .with_height(theme.workspace.titlebar.height)
2070 .named("titlebar")
2071 }
2072
2073 fn active_item_path_changed(&mut self, cx: &mut ViewContext<Self>) {
2074 let active_entry = self.active_project_path(cx);
2075 self.project
2076 .update(cx, |project, cx| project.set_active_path(active_entry, cx));
2077 self.update_window_title(cx);
2078 }
2079
2080 fn update_window_title(&mut self, cx: &mut ViewContext<Self>) {
2081 let mut title = String::new();
2082 let project = self.project().read(cx);
2083 if let Some(path) = self.active_item(cx).and_then(|item| item.project_path(cx)) {
2084 let filename = path
2085 .path
2086 .file_name()
2087 .map(|s| s.to_string_lossy())
2088 .or_else(|| {
2089 Some(Cow::Borrowed(
2090 project
2091 .worktree_for_id(path.worktree_id, cx)?
2092 .read(cx)
2093 .root_name(),
2094 ))
2095 });
2096 if let Some(filename) = filename {
2097 title.push_str(filename.as_ref());
2098 title.push_str(" — ");
2099 }
2100 }
2101 for (i, name) in project.worktree_root_names(cx).enumerate() {
2102 if i > 0 {
2103 title.push_str(", ");
2104 }
2105 title.push_str(name);
2106 }
2107 if title.is_empty() {
2108 title = "empty project".to_string();
2109 }
2110 cx.set_window_title(&title);
2111 }
2112
2113 fn update_window_edited(&mut self, cx: &mut ViewContext<Self>) {
2114 let is_edited = !self.project.read(cx).is_read_only()
2115 && self
2116 .items(cx)
2117 .any(|item| item.has_conflict(cx) || item.is_dirty(cx));
2118 if is_edited != self.window_edited {
2119 self.window_edited = is_edited;
2120 cx.set_window_edited(self.window_edited)
2121 }
2122 }
2123
2124 fn render_collaborators(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Vec<ElementBox> {
2125 let mut collaborators = self
2126 .project
2127 .read(cx)
2128 .collaborators()
2129 .values()
2130 .cloned()
2131 .collect::<Vec<_>>();
2132 collaborators.sort_unstable_by_key(|collaborator| collaborator.replica_id);
2133 collaborators
2134 .into_iter()
2135 .filter_map(|collaborator| {
2136 Some(self.render_avatar(
2137 collaborator.user.avatar.clone()?,
2138 collaborator.replica_id,
2139 Some((collaborator.peer_id, &collaborator.user.github_login)),
2140 theme,
2141 cx,
2142 ))
2143 })
2144 .collect()
2145 }
2146
2147 fn render_current_user(
2148 &self,
2149 user: Option<&Arc<User>>,
2150 replica_id: ReplicaId,
2151 theme: &Theme,
2152 cx: &mut RenderContext<Self>,
2153 ) -> Option<ElementBox> {
2154 let status = *self.client.status().borrow();
2155 if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
2156 Some(self.render_avatar(avatar, replica_id, None, theme, cx))
2157 } else if matches!(status, client::Status::UpgradeRequired) {
2158 None
2159 } else {
2160 Some(
2161 MouseEventHandler::<Authenticate>::new(0, cx, |state, _| {
2162 let style = theme
2163 .workspace
2164 .titlebar
2165 .sign_in_prompt
2166 .style_for(state, false);
2167 Label::new("Sign in".to_string(), style.text.clone())
2168 .contained()
2169 .with_style(style.container)
2170 .boxed()
2171 })
2172 .on_click(MouseButton::Left, |_, cx| cx.dispatch_action(Authenticate))
2173 .with_cursor_style(CursorStyle::PointingHand)
2174 .aligned()
2175 .boxed(),
2176 )
2177 }
2178 }
2179
2180 fn render_avatar(
2181 &self,
2182 avatar: Arc<ImageData>,
2183 replica_id: ReplicaId,
2184 peer: Option<(PeerId, &str)>,
2185 theme: &Theme,
2186 cx: &mut RenderContext<Self>,
2187 ) -> ElementBox {
2188 let replica_color = theme.editor.replica_selection_style(replica_id).cursor;
2189 let is_followed = peer.map_or(false, |(peer_id, _)| {
2190 self.follower_states_by_leader.contains_key(&peer_id)
2191 });
2192 let mut avatar_style = theme.workspace.titlebar.avatar;
2193 if is_followed {
2194 avatar_style.border = Border::all(1.0, replica_color);
2195 }
2196 let content = Stack::new()
2197 .with_child(
2198 Image::new(avatar)
2199 .with_style(avatar_style)
2200 .constrained()
2201 .with_width(theme.workspace.titlebar.avatar_width)
2202 .aligned()
2203 .boxed(),
2204 )
2205 .with_child(
2206 AvatarRibbon::new(replica_color)
2207 .constrained()
2208 .with_width(theme.workspace.titlebar.avatar_ribbon.width)
2209 .with_height(theme.workspace.titlebar.avatar_ribbon.height)
2210 .aligned()
2211 .bottom()
2212 .boxed(),
2213 )
2214 .constrained()
2215 .with_width(theme.workspace.titlebar.avatar_width)
2216 .contained()
2217 .with_margin_left(theme.workspace.titlebar.avatar_margin)
2218 .boxed();
2219
2220 if let Some((peer_id, peer_github_login)) = peer {
2221 MouseEventHandler::<ToggleFollow>::new(replica_id.into(), cx, move |_, _| content)
2222 .with_cursor_style(CursorStyle::PointingHand)
2223 .on_click(MouseButton::Left, move |_, cx| {
2224 cx.dispatch_action(ToggleFollow(peer_id))
2225 })
2226 .with_tooltip::<ToggleFollow, _>(
2227 peer_id.0 as usize,
2228 if is_followed {
2229 format!("Unfollow {}", peer_github_login)
2230 } else {
2231 format!("Follow {}", peer_github_login)
2232 },
2233 Some(Box::new(FollowNextCollaborator)),
2234 theme.tooltip.clone(),
2235 cx,
2236 )
2237 .boxed()
2238 } else {
2239 content
2240 }
2241 }
2242
2243 fn render_disconnected_overlay(&self, cx: &mut RenderContext<Workspace>) -> Option<ElementBox> {
2244 if self.project.read(cx).is_read_only() {
2245 enum DisconnectedOverlay {}
2246 Some(
2247 MouseEventHandler::<DisconnectedOverlay>::new(0, cx, |_, cx| {
2248 let theme = &cx.global::<Settings>().theme;
2249 Label::new(
2250 "Your connection to the remote project has been lost.".to_string(),
2251 theme.workspace.disconnected_overlay.text.clone(),
2252 )
2253 .aligned()
2254 .contained()
2255 .with_style(theme.workspace.disconnected_overlay.container)
2256 .boxed()
2257 })
2258 .with_cursor_style(CursorStyle::Arrow)
2259 .capture_all()
2260 .boxed(),
2261 )
2262 } else {
2263 None
2264 }
2265 }
2266
2267 fn render_notifications(&self, theme: &theme::Workspace) -> Option<ElementBox> {
2268 if self.notifications.is_empty() {
2269 None
2270 } else {
2271 Some(
2272 Flex::column()
2273 .with_children(self.notifications.iter().map(|(_, _, notification)| {
2274 ChildView::new(notification.as_ref())
2275 .contained()
2276 .with_style(theme.notification)
2277 .boxed()
2278 }))
2279 .constrained()
2280 .with_width(theme.notifications.width)
2281 .contained()
2282 .with_style(theme.notifications.container)
2283 .aligned()
2284 .bottom()
2285 .right()
2286 .boxed(),
2287 )
2288 }
2289 }
2290
2291 // RPC handlers
2292
2293 async fn handle_follow(
2294 this: ViewHandle<Self>,
2295 envelope: TypedEnvelope<proto::Follow>,
2296 _: Arc<Client>,
2297 mut cx: AsyncAppContext,
2298 ) -> Result<proto::FollowResponse> {
2299 this.update(&mut cx, |this, cx| {
2300 this.leader_state
2301 .followers
2302 .insert(envelope.original_sender_id()?);
2303
2304 let active_view_id = this
2305 .active_item(cx)
2306 .and_then(|i| i.to_followable_item_handle(cx))
2307 .map(|i| i.id() as u64);
2308 Ok(proto::FollowResponse {
2309 active_view_id,
2310 views: this
2311 .panes()
2312 .iter()
2313 .flat_map(|pane| {
2314 let leader_id = this.leader_for_pane(pane).map(|id| id.0);
2315 pane.read(cx).items().filter_map({
2316 let cx = &cx;
2317 move |item| {
2318 let id = item.id() as u64;
2319 let item = item.to_followable_item_handle(cx)?;
2320 let variant = item.to_state_proto(cx)?;
2321 Some(proto::View {
2322 id,
2323 leader_id,
2324 variant: Some(variant),
2325 })
2326 }
2327 })
2328 })
2329 .collect(),
2330 })
2331 })
2332 }
2333
2334 async fn handle_unfollow(
2335 this: ViewHandle<Self>,
2336 envelope: TypedEnvelope<proto::Unfollow>,
2337 _: Arc<Client>,
2338 mut cx: AsyncAppContext,
2339 ) -> Result<()> {
2340 this.update(&mut cx, |this, _| {
2341 this.leader_state
2342 .followers
2343 .remove(&envelope.original_sender_id()?);
2344 Ok(())
2345 })
2346 }
2347
2348 async fn handle_update_followers(
2349 this: ViewHandle<Self>,
2350 envelope: TypedEnvelope<proto::UpdateFollowers>,
2351 _: Arc<Client>,
2352 mut cx: AsyncAppContext,
2353 ) -> Result<()> {
2354 let leader_id = envelope.original_sender_id()?;
2355 match envelope
2356 .payload
2357 .variant
2358 .ok_or_else(|| anyhow!("invalid update"))?
2359 {
2360 proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
2361 this.update(&mut cx, |this, cx| {
2362 this.update_leader_state(leader_id, cx, |state, _| {
2363 state.active_view_id = update_active_view.id;
2364 });
2365 Ok::<_, anyhow::Error>(())
2366 })
2367 }
2368 proto::update_followers::Variant::UpdateView(update_view) => {
2369 this.update(&mut cx, |this, cx| {
2370 let variant = update_view
2371 .variant
2372 .ok_or_else(|| anyhow!("missing update view variant"))?;
2373 this.update_leader_state(leader_id, cx, |state, cx| {
2374 let variant = variant.clone();
2375 match state
2376 .items_by_leader_view_id
2377 .entry(update_view.id)
2378 .or_insert(FollowerItem::Loading(Vec::new()))
2379 {
2380 FollowerItem::Loaded(item) => {
2381 item.apply_update_proto(variant, cx).log_err();
2382 }
2383 FollowerItem::Loading(updates) => updates.push(variant),
2384 }
2385 });
2386 Ok(())
2387 })
2388 }
2389 proto::update_followers::Variant::CreateView(view) => {
2390 let panes = this.read_with(&cx, |this, _| {
2391 this.follower_states_by_leader
2392 .get(&leader_id)
2393 .into_iter()
2394 .flat_map(|states_by_pane| states_by_pane.keys())
2395 .cloned()
2396 .collect()
2397 });
2398 Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
2399 .await?;
2400 Ok(())
2401 }
2402 }
2403 .log_err();
2404
2405 Ok(())
2406 }
2407
2408 async fn add_views_from_leader(
2409 this: ViewHandle<Self>,
2410 leader_id: PeerId,
2411 panes: Vec<ViewHandle<Pane>>,
2412 views: Vec<proto::View>,
2413 cx: &mut AsyncAppContext,
2414 ) -> Result<()> {
2415 let project = this.read_with(cx, |this, _| this.project.clone());
2416 let replica_id = project
2417 .read_with(cx, |project, _| {
2418 project
2419 .collaborators()
2420 .get(&leader_id)
2421 .map(|c| c.replica_id)
2422 })
2423 .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
2424
2425 let item_builders = cx.update(|cx| {
2426 cx.default_global::<FollowableItemBuilders>()
2427 .values()
2428 .map(|b| b.0)
2429 .collect::<Vec<_>>()
2430 });
2431
2432 let mut item_tasks_by_pane = HashMap::default();
2433 for pane in panes {
2434 let mut item_tasks = Vec::new();
2435 let mut leader_view_ids = Vec::new();
2436 for view in &views {
2437 let mut variant = view.variant.clone();
2438 if variant.is_none() {
2439 Err(anyhow!("missing variant"))?;
2440 }
2441 for build_item in &item_builders {
2442 let task =
2443 cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
2444 if let Some(task) = task {
2445 item_tasks.push(task);
2446 leader_view_ids.push(view.id);
2447 break;
2448 } else {
2449 assert!(variant.is_some());
2450 }
2451 }
2452 }
2453
2454 item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
2455 }
2456
2457 for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
2458 let items = futures::future::try_join_all(item_tasks).await?;
2459 this.update(cx, |this, cx| {
2460 let state = this
2461 .follower_states_by_leader
2462 .get_mut(&leader_id)?
2463 .get_mut(&pane)?;
2464
2465 for (id, item) in leader_view_ids.into_iter().zip(items) {
2466 item.set_leader_replica_id(Some(replica_id), cx);
2467 match state.items_by_leader_view_id.entry(id) {
2468 hash_map::Entry::Occupied(e) => {
2469 let e = e.into_mut();
2470 if let FollowerItem::Loading(updates) = e {
2471 for update in updates.drain(..) {
2472 item.apply_update_proto(update, cx)
2473 .context("failed to apply view update")
2474 .log_err();
2475 }
2476 }
2477 *e = FollowerItem::Loaded(item);
2478 }
2479 hash_map::Entry::Vacant(e) => {
2480 e.insert(FollowerItem::Loaded(item));
2481 }
2482 }
2483 }
2484
2485 Some(())
2486 });
2487 }
2488 this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
2489
2490 Ok(())
2491 }
2492
2493 fn update_followers(
2494 &self,
2495 update: proto::update_followers::Variant,
2496 cx: &AppContext,
2497 ) -> Option<()> {
2498 let project_id = self.project.read(cx).remote_id()?;
2499 if !self.leader_state.followers.is_empty() {
2500 self.client
2501 .send(proto::UpdateFollowers {
2502 project_id,
2503 follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
2504 variant: Some(update),
2505 })
2506 .log_err();
2507 }
2508 None
2509 }
2510
2511 pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
2512 self.follower_states_by_leader
2513 .iter()
2514 .find_map(|(leader_id, state)| {
2515 if state.contains_key(pane) {
2516 Some(*leader_id)
2517 } else {
2518 None
2519 }
2520 })
2521 }
2522
2523 fn update_leader_state(
2524 &mut self,
2525 leader_id: PeerId,
2526 cx: &mut ViewContext<Self>,
2527 mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
2528 ) {
2529 for (_, state) in self
2530 .follower_states_by_leader
2531 .get_mut(&leader_id)
2532 .into_iter()
2533 .flatten()
2534 {
2535 update_fn(state, cx);
2536 }
2537 self.leader_updated(leader_id, cx);
2538 }
2539
2540 fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
2541 let mut items_to_add = Vec::new();
2542 for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
2543 if let Some(FollowerItem::Loaded(item)) = state
2544 .active_view_id
2545 .and_then(|id| state.items_by_leader_view_id.get(&id))
2546 {
2547 items_to_add.push((pane.clone(), item.boxed_clone()));
2548 }
2549 }
2550
2551 for (pane, item) in items_to_add {
2552 Pane::add_item(self, &pane, item.boxed_clone(), false, false, None, cx);
2553 if pane == self.active_pane {
2554 pane.update(cx, |pane, cx| pane.focus_active_item(cx));
2555 }
2556 cx.notify();
2557 }
2558 None
2559 }
2560
2561 pub fn on_window_activation_changed(&mut self, active: bool, cx: &mut ViewContext<Self>) {
2562 if !active {
2563 for pane in &self.panes {
2564 pane.update(cx, |pane, cx| {
2565 if let Some(item) = pane.active_item() {
2566 item.workspace_deactivated(cx);
2567 }
2568 if matches!(
2569 cx.global::<Settings>().autosave,
2570 Autosave::OnWindowChange | Autosave::OnFocusChange
2571 ) {
2572 for item in pane.items() {
2573 Pane::autosave_item(item.as_ref(), self.project.clone(), cx)
2574 .detach_and_log_err(cx);
2575 }
2576 }
2577 });
2578 }
2579 }
2580 }
2581}
2582
2583impl Entity for Workspace {
2584 type Event = Event;
2585}
2586
2587impl View for Workspace {
2588 fn ui_name() -> &'static str {
2589 "Workspace"
2590 }
2591
2592 fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
2593 let theme = cx.global::<Settings>().theme.clone();
2594 Stack::new()
2595 .with_child(
2596 Flex::column()
2597 .with_child(self.render_titlebar(&theme, cx))
2598 .with_child(
2599 Stack::new()
2600 .with_child({
2601 Flex::row()
2602 .with_children(
2603 if self.left_sidebar.read(cx).active_item().is_some() {
2604 Some(
2605 ChildView::new(&self.left_sidebar)
2606 .flex(0.8, false)
2607 .boxed(),
2608 )
2609 } else {
2610 None
2611 },
2612 )
2613 .with_child(
2614 FlexItem::new(
2615 Flex::column()
2616 .with_child(
2617 FlexItem::new(self.center.render(
2618 &theme,
2619 &self.follower_states_by_leader,
2620 self.project.read(cx).collaborators(),
2621 ))
2622 .flex(1., true)
2623 .boxed(),
2624 )
2625 .with_children(self.dock.render(
2626 &theme,
2627 DockAnchor::Bottom,
2628 cx,
2629 ))
2630 .boxed(),
2631 )
2632 .flex(1., true)
2633 .boxed(),
2634 )
2635 .with_children(self.dock.render(&theme, DockAnchor::Right, cx))
2636 .with_children(
2637 if self.right_sidebar.read(cx).active_item().is_some() {
2638 Some(
2639 ChildView::new(&self.right_sidebar)
2640 .flex(0.8, false)
2641 .boxed(),
2642 )
2643 } else {
2644 None
2645 },
2646 )
2647 .boxed()
2648 })
2649 .with_child(
2650 Overlay::new(
2651 Stack::new()
2652 .with_children(self.dock.render(
2653 &theme,
2654 DockAnchor::Expanded,
2655 cx,
2656 ))
2657 .with_children(self.modal.as_ref().map(|m| {
2658 ChildView::new(m)
2659 .contained()
2660 .with_style(theme.workspace.modal)
2661 .aligned()
2662 .top()
2663 .boxed()
2664 }))
2665 .with_children(self.render_notifications(&theme.workspace))
2666 .boxed(),
2667 )
2668 .boxed(),
2669 )
2670 .flex(1.0, true)
2671 .boxed(),
2672 )
2673 .with_child(ChildView::new(&self.status_bar).boxed())
2674 .contained()
2675 .with_background_color(theme.workspace.background)
2676 .boxed(),
2677 )
2678 .with_children(DragAndDrop::render(cx))
2679 .with_children(self.render_disconnected_overlay(cx))
2680 .named("workspace")
2681 }
2682
2683 fn on_focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2684 if cx.is_self_focused() {
2685 cx.focus(&self.active_pane);
2686 }
2687 }
2688
2689 fn keymap_context(&self, _: &AppContext) -> gpui::keymap::Context {
2690 let mut keymap = Self::default_keymap_context();
2691 if self.active_pane() == self.dock_pane() {
2692 keymap.set.insert("Dock".into());
2693 }
2694 keymap
2695 }
2696}
2697
2698pub trait WorkspaceHandle {
2699 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
2700}
2701
2702impl WorkspaceHandle for ViewHandle<Workspace> {
2703 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
2704 self.read(cx)
2705 .worktrees(cx)
2706 .flat_map(|worktree| {
2707 let worktree_id = worktree.read(cx).id();
2708 worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
2709 worktree_id,
2710 path: f.path.clone(),
2711 })
2712 })
2713 .collect::<Vec<_>>()
2714 }
2715}
2716
2717pub struct AvatarRibbon {
2718 color: Color,
2719}
2720
2721impl AvatarRibbon {
2722 pub fn new(color: Color) -> AvatarRibbon {
2723 AvatarRibbon { color }
2724 }
2725}
2726
2727impl Element for AvatarRibbon {
2728 type LayoutState = ();
2729
2730 type PaintState = ();
2731
2732 fn layout(
2733 &mut self,
2734 constraint: gpui::SizeConstraint,
2735 _: &mut gpui::LayoutContext,
2736 ) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
2737 (constraint.max, ())
2738 }
2739
2740 fn paint(
2741 &mut self,
2742 bounds: gpui::geometry::rect::RectF,
2743 _: gpui::geometry::rect::RectF,
2744 _: &mut Self::LayoutState,
2745 cx: &mut gpui::PaintContext,
2746 ) -> Self::PaintState {
2747 let mut path = PathBuilder::new();
2748 path.reset(bounds.lower_left());
2749 path.curve_to(
2750 bounds.origin() + vec2f(bounds.height(), 0.),
2751 bounds.origin(),
2752 );
2753 path.line_to(bounds.upper_right() - vec2f(bounds.height(), 0.));
2754 path.curve_to(bounds.lower_right(), bounds.upper_right());
2755 path.line_to(bounds.lower_left());
2756 cx.scene.push_path(path.build(self.color, None));
2757 }
2758
2759 fn dispatch_event(
2760 &mut self,
2761 _: &gpui::Event,
2762 _: RectF,
2763 _: RectF,
2764 _: &mut Self::LayoutState,
2765 _: &mut Self::PaintState,
2766 _: &mut gpui::EventContext,
2767 ) -> bool {
2768 false
2769 }
2770
2771 fn rect_for_text_range(
2772 &self,
2773 _: Range<usize>,
2774 _: RectF,
2775 _: RectF,
2776 _: &Self::LayoutState,
2777 _: &Self::PaintState,
2778 _: &gpui::MeasurementContext,
2779 ) -> Option<RectF> {
2780 None
2781 }
2782
2783 fn debug(
2784 &self,
2785 bounds: gpui::geometry::rect::RectF,
2786 _: &Self::LayoutState,
2787 _: &Self::PaintState,
2788 _: &gpui::DebugContext,
2789 ) -> gpui::json::Value {
2790 json::json!({
2791 "type": "AvatarRibbon",
2792 "bounds": bounds.to_json(),
2793 "color": self.color.to_json(),
2794 })
2795 }
2796}
2797
2798impl std::fmt::Debug for OpenPaths {
2799 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
2800 f.debug_struct("OpenPaths")
2801 .field("paths", &self.paths)
2802 .finish()
2803 }
2804}
2805
2806fn open(_: &Open, cx: &mut MutableAppContext) {
2807 let mut paths = cx.prompt_for_paths(PathPromptOptions {
2808 files: true,
2809 directories: true,
2810 multiple: true,
2811 });
2812 cx.spawn(|mut cx| async move {
2813 if let Some(paths) = paths.recv().await.flatten() {
2814 cx.update(|cx| cx.dispatch_global_action(OpenPaths { paths }));
2815 }
2816 })
2817 .detach();
2818}
2819
2820pub struct WorkspaceCreated(WeakViewHandle<Workspace>);
2821
2822pub fn activate_workspace_for_project(
2823 cx: &mut MutableAppContext,
2824 predicate: impl Fn(&mut Project, &mut ModelContext<Project>) -> bool,
2825) -> Option<ViewHandle<Workspace>> {
2826 for window_id in cx.window_ids().collect::<Vec<_>>() {
2827 if let Some(workspace_handle) = cx.root_view::<Workspace>(window_id) {
2828 let project = workspace_handle.read(cx).project.clone();
2829 if project.update(cx, &predicate) {
2830 cx.activate_window(window_id);
2831 return Some(workspace_handle);
2832 }
2833 }
2834 }
2835 None
2836}
2837
2838#[allow(clippy::type_complexity)]
2839pub fn open_paths(
2840 abs_paths: &[PathBuf],
2841 app_state: &Arc<AppState>,
2842 cx: &mut MutableAppContext,
2843) -> Task<(
2844 ViewHandle<Workspace>,
2845 Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
2846)> {
2847 log::info!("open paths {:?}", abs_paths);
2848
2849 // Open paths in existing workspace if possible
2850 let existing =
2851 activate_workspace_for_project(cx, |project, cx| project.contains_paths(abs_paths, cx));
2852
2853 let app_state = app_state.clone();
2854 let abs_paths = abs_paths.to_vec();
2855 cx.spawn(|mut cx| async move {
2856 let mut new_project = None;
2857 let workspace = if let Some(existing) = existing {
2858 existing
2859 } else {
2860 let contains_directory =
2861 futures::future::join_all(abs_paths.iter().map(|path| app_state.fs.is_file(path)))
2862 .await
2863 .contains(&false);
2864
2865 cx.add_window((app_state.build_window_options)(), |cx| {
2866 let project = Project::local(
2867 false,
2868 app_state.client.clone(),
2869 app_state.user_store.clone(),
2870 app_state.project_store.clone(),
2871 app_state.languages.clone(),
2872 app_state.fs.clone(),
2873 cx,
2874 );
2875 new_project = Some(project.clone());
2876 let mut workspace = Workspace::new(project, app_state.default_item_factory, cx);
2877 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
2878 if contains_directory {
2879 workspace.toggle_sidebar(SidebarSide::Left, cx);
2880 }
2881 workspace
2882 })
2883 .1
2884 };
2885
2886 let items = workspace
2887 .update(&mut cx, |workspace, cx| {
2888 workspace.open_paths(abs_paths, true, cx)
2889 })
2890 .await;
2891
2892 if let Some(project) = new_project {
2893 project
2894 .update(&mut cx, |project, cx| project.restore_state(cx))
2895 .await
2896 .log_err();
2897 }
2898
2899 (workspace, items)
2900 })
2901}
2902
2903pub fn join_project(
2904 contact: Arc<Contact>,
2905 project_index: usize,
2906 app_state: &Arc<AppState>,
2907 cx: &mut MutableAppContext,
2908) {
2909 let project_id = contact.projects[project_index].id;
2910
2911 for window_id in cx.window_ids().collect::<Vec<_>>() {
2912 if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
2913 if workspace.read(cx).project().read(cx).remote_id() == Some(project_id) {
2914 cx.activate_window(window_id);
2915 return;
2916 }
2917 }
2918 }
2919
2920 cx.add_window((app_state.build_window_options)(), |cx| {
2921 WaitingRoom::new(contact, project_index, app_state.clone(), cx)
2922 });
2923}
2924
2925fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
2926 let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
2927 let mut workspace = Workspace::new(
2928 Project::local(
2929 false,
2930 app_state.client.clone(),
2931 app_state.user_store.clone(),
2932 app_state.project_store.clone(),
2933 app_state.languages.clone(),
2934 app_state.fs.clone(),
2935 cx,
2936 ),
2937 app_state.default_item_factory,
2938 cx,
2939 );
2940 (app_state.initialize_workspace)(&mut workspace, app_state, cx);
2941 workspace
2942 });
2943 cx.dispatch_action_at(window_id, workspace.id(), NewFile);
2944}
2945
2946#[cfg(test)]
2947mod tests {
2948 use std::cell::Cell;
2949
2950 use crate::sidebar::SidebarItem;
2951
2952 use super::*;
2953 use gpui::{executor::Deterministic, ModelHandle, TestAppContext, ViewContext};
2954 use project::{FakeFs, Project, ProjectEntryId};
2955 use serde_json::json;
2956
2957 pub fn default_item_factory(
2958 _workspace: &mut Workspace,
2959 _cx: &mut ViewContext<Workspace>,
2960 ) -> Box<dyn ItemHandle> {
2961 unimplemented!();
2962 }
2963
2964 #[gpui::test]
2965 async fn test_tab_disambiguation(cx: &mut TestAppContext) {
2966 cx.foreground().forbid_parking();
2967 Settings::test_async(cx);
2968
2969 let fs = FakeFs::new(cx.background());
2970 let project = Project::test(fs, [], cx).await;
2971 let (_, workspace) =
2972 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
2973
2974 // Adding an item with no ambiguity renders the tab without detail.
2975 let item1 = cx.add_view(&workspace, |_| {
2976 let mut item = TestItem::new();
2977 item.tab_descriptions = Some(vec!["c", "b1/c", "a/b1/c"]);
2978 item
2979 });
2980 workspace.update(cx, |workspace, cx| {
2981 workspace.add_item(Box::new(item1.clone()), cx);
2982 });
2983 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), None));
2984
2985 // Adding an item that creates ambiguity increases the level of detail on
2986 // both tabs.
2987 let item2 = cx.add_view(&workspace, |_| {
2988 let mut item = TestItem::new();
2989 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
2990 item
2991 });
2992 workspace.update(cx, |workspace, cx| {
2993 workspace.add_item(Box::new(item2.clone()), cx);
2994 });
2995 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2996 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
2997
2998 // Adding an item that creates ambiguity increases the level of detail only
2999 // on the ambiguous tabs. In this case, the ambiguity can't be resolved so
3000 // we stop at the highest detail available.
3001 let item3 = cx.add_view(&workspace, |_| {
3002 let mut item = TestItem::new();
3003 item.tab_descriptions = Some(vec!["c", "b2/c", "a/b2/c"]);
3004 item
3005 });
3006 workspace.update(cx, |workspace, cx| {
3007 workspace.add_item(Box::new(item3.clone()), cx);
3008 });
3009 item1.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(1)));
3010 item2.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
3011 item3.read_with(cx, |item, _| assert_eq!(item.tab_detail.get(), Some(3)));
3012 }
3013
3014 #[gpui::test]
3015 async fn test_tracking_active_path(cx: &mut TestAppContext) {
3016 cx.foreground().forbid_parking();
3017 Settings::test_async(cx);
3018 let fs = FakeFs::new(cx.background());
3019 fs.insert_tree(
3020 "/root1",
3021 json!({
3022 "one.txt": "",
3023 "two.txt": "",
3024 }),
3025 )
3026 .await;
3027 fs.insert_tree(
3028 "/root2",
3029 json!({
3030 "three.txt": "",
3031 }),
3032 )
3033 .await;
3034
3035 let project = Project::test(fs, ["root1".as_ref()], cx).await;
3036 let (window_id, workspace) =
3037 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
3038 let worktree_id = project.read_with(cx, |project, cx| {
3039 project.worktrees(cx).next().unwrap().read(cx).id()
3040 });
3041
3042 let item1 = cx.add_view(&workspace, |_| {
3043 let mut item = TestItem::new();
3044 item.project_path = Some((worktree_id, "one.txt").into());
3045 item
3046 });
3047 let item2 = cx.add_view(&workspace, |_| {
3048 let mut item = TestItem::new();
3049 item.project_path = Some((worktree_id, "two.txt").into());
3050 item
3051 });
3052
3053 // Add an item to an empty pane
3054 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item1), cx));
3055 project.read_with(cx, |project, cx| {
3056 assert_eq!(
3057 project.active_entry(),
3058 project
3059 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
3060 .map(|e| e.id)
3061 );
3062 });
3063 assert_eq!(
3064 cx.current_window_title(window_id).as_deref(),
3065 Some("one.txt — root1")
3066 );
3067
3068 // Add a second item to a non-empty pane
3069 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item2), cx));
3070 assert_eq!(
3071 cx.current_window_title(window_id).as_deref(),
3072 Some("two.txt — root1")
3073 );
3074 project.read_with(cx, |project, cx| {
3075 assert_eq!(
3076 project.active_entry(),
3077 project
3078 .entry_for_path(&(worktree_id, "two.txt").into(), cx)
3079 .map(|e| e.id)
3080 );
3081 });
3082
3083 // Close the active item
3084 workspace
3085 .update(cx, |workspace, cx| {
3086 Pane::close_active_item(workspace, &Default::default(), cx).unwrap()
3087 })
3088 .await
3089 .unwrap();
3090 assert_eq!(
3091 cx.current_window_title(window_id).as_deref(),
3092 Some("one.txt — root1")
3093 );
3094 project.read_with(cx, |project, cx| {
3095 assert_eq!(
3096 project.active_entry(),
3097 project
3098 .entry_for_path(&(worktree_id, "one.txt").into(), cx)
3099 .map(|e| e.id)
3100 );
3101 });
3102
3103 // Add a project folder
3104 project
3105 .update(cx, |project, cx| {
3106 project.find_or_create_local_worktree("/root2", true, cx)
3107 })
3108 .await
3109 .unwrap();
3110 assert_eq!(
3111 cx.current_window_title(window_id).as_deref(),
3112 Some("one.txt — root1, root2")
3113 );
3114
3115 // Remove a project folder
3116 project.update(cx, |project, cx| {
3117 project.remove_worktree(worktree_id, cx);
3118 });
3119 assert_eq!(
3120 cx.current_window_title(window_id).as_deref(),
3121 Some("one.txt — root2")
3122 );
3123 }
3124
3125 #[gpui::test]
3126 async fn test_close_window(cx: &mut TestAppContext) {
3127 cx.foreground().forbid_parking();
3128 Settings::test_async(cx);
3129 let fs = FakeFs::new(cx.background());
3130 fs.insert_tree("/root", json!({ "one": "" })).await;
3131
3132 let project = Project::test(fs, ["root".as_ref()], cx).await;
3133 let (window_id, workspace) =
3134 cx.add_window(|cx| Workspace::new(project.clone(), default_item_factory, cx));
3135
3136 // When there are no dirty items, there's nothing to do.
3137 let item1 = cx.add_view(&workspace, |_| TestItem::new());
3138 workspace.update(cx, |w, cx| w.add_item(Box::new(item1.clone()), cx));
3139 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
3140 assert!(task.await.unwrap());
3141
3142 // When there are dirty untitled items, prompt to save each one. If the user
3143 // cancels any prompt, then abort.
3144 let item2 = cx.add_view(&workspace, |_| {
3145 let mut item = TestItem::new();
3146 item.is_dirty = true;
3147 item
3148 });
3149 let item3 = cx.add_view(&workspace, |_| {
3150 let mut item = TestItem::new();
3151 item.is_dirty = true;
3152 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3153 item
3154 });
3155 workspace.update(cx, |w, cx| {
3156 w.add_item(Box::new(item2.clone()), cx);
3157 w.add_item(Box::new(item3.clone()), cx);
3158 });
3159 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
3160 cx.foreground().run_until_parked();
3161 cx.simulate_prompt_answer(window_id, 2 /* cancel */);
3162 cx.foreground().run_until_parked();
3163 assert!(!cx.has_pending_prompt(window_id));
3164 assert!(!task.await.unwrap());
3165 }
3166
3167 #[gpui::test]
3168 async fn test_close_pane_items(cx: &mut TestAppContext) {
3169 cx.foreground().forbid_parking();
3170 Settings::test_async(cx);
3171 let fs = FakeFs::new(cx.background());
3172
3173 let project = Project::test(fs, None, cx).await;
3174 let (window_id, workspace) =
3175 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3176
3177 let item1 = cx.add_view(&workspace, |_| {
3178 let mut item = TestItem::new();
3179 item.is_dirty = true;
3180 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3181 item
3182 });
3183 let item2 = cx.add_view(&workspace, |_| {
3184 let mut item = TestItem::new();
3185 item.is_dirty = true;
3186 item.has_conflict = true;
3187 item.project_entry_ids = vec![ProjectEntryId::from_proto(2)];
3188 item
3189 });
3190 let item3 = cx.add_view(&workspace, |_| {
3191 let mut item = TestItem::new();
3192 item.is_dirty = true;
3193 item.has_conflict = true;
3194 item.project_entry_ids = vec![ProjectEntryId::from_proto(3)];
3195 item
3196 });
3197 let item4 = cx.add_view(&workspace, |_| {
3198 let mut item = TestItem::new();
3199 item.is_dirty = true;
3200 item
3201 });
3202 let pane = workspace.update(cx, |workspace, cx| {
3203 workspace.add_item(Box::new(item1.clone()), cx);
3204 workspace.add_item(Box::new(item2.clone()), cx);
3205 workspace.add_item(Box::new(item3.clone()), cx);
3206 workspace.add_item(Box::new(item4.clone()), cx);
3207 workspace.active_pane().clone()
3208 });
3209
3210 let close_items = workspace.update(cx, |workspace, cx| {
3211 pane.update(cx, |pane, cx| {
3212 pane.activate_item(1, true, true, cx);
3213 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3214 });
3215
3216 let item1_id = item1.id();
3217 let item3_id = item3.id();
3218 let item4_id = item4.id();
3219 Pane::close_items(workspace, pane.clone(), cx, move |id| {
3220 [item1_id, item3_id, item4_id].contains(&id)
3221 })
3222 });
3223
3224 cx.foreground().run_until_parked();
3225 pane.read_with(cx, |pane, _| {
3226 assert_eq!(pane.items().count(), 4);
3227 assert_eq!(pane.active_item().unwrap().id(), item1.id());
3228 });
3229
3230 cx.simulate_prompt_answer(window_id, 0);
3231 cx.foreground().run_until_parked();
3232 pane.read_with(cx, |pane, cx| {
3233 assert_eq!(item1.read(cx).save_count, 1);
3234 assert_eq!(item1.read(cx).save_as_count, 0);
3235 assert_eq!(item1.read(cx).reload_count, 0);
3236 assert_eq!(pane.items().count(), 3);
3237 assert_eq!(pane.active_item().unwrap().id(), item3.id());
3238 });
3239
3240 cx.simulate_prompt_answer(window_id, 1);
3241 cx.foreground().run_until_parked();
3242 pane.read_with(cx, |pane, cx| {
3243 assert_eq!(item3.read(cx).save_count, 0);
3244 assert_eq!(item3.read(cx).save_as_count, 0);
3245 assert_eq!(item3.read(cx).reload_count, 1);
3246 assert_eq!(pane.items().count(), 2);
3247 assert_eq!(pane.active_item().unwrap().id(), item4.id());
3248 });
3249
3250 cx.simulate_prompt_answer(window_id, 0);
3251 cx.foreground().run_until_parked();
3252 cx.simulate_new_path_selection(|_| Some(Default::default()));
3253 close_items.await.unwrap();
3254 pane.read_with(cx, |pane, cx| {
3255 assert_eq!(item4.read(cx).save_count, 0);
3256 assert_eq!(item4.read(cx).save_as_count, 1);
3257 assert_eq!(item4.read(cx).reload_count, 0);
3258 assert_eq!(pane.items().count(), 1);
3259 assert_eq!(pane.active_item().unwrap().id(), item2.id());
3260 });
3261 }
3262
3263 #[gpui::test]
3264 async fn test_prompting_to_save_only_on_last_item_for_entry(cx: &mut TestAppContext) {
3265 cx.foreground().forbid_parking();
3266 Settings::test_async(cx);
3267 let fs = FakeFs::new(cx.background());
3268
3269 let project = Project::test(fs, [], cx).await;
3270 let (window_id, workspace) =
3271 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3272
3273 // Create several workspace items with single project entries, and two
3274 // workspace items with multiple project entries.
3275 let single_entry_items = (0..=4)
3276 .map(|project_entry_id| {
3277 let mut item = TestItem::new();
3278 item.is_dirty = true;
3279 item.project_entry_ids = vec![ProjectEntryId::from_proto(project_entry_id)];
3280 item.is_singleton = true;
3281 item
3282 })
3283 .collect::<Vec<_>>();
3284 let item_2_3 = {
3285 let mut item = TestItem::new();
3286 item.is_dirty = true;
3287 item.is_singleton = false;
3288 item.project_entry_ids =
3289 vec![ProjectEntryId::from_proto(2), ProjectEntryId::from_proto(3)];
3290 item
3291 };
3292 let item_3_4 = {
3293 let mut item = TestItem::new();
3294 item.is_dirty = true;
3295 item.is_singleton = false;
3296 item.project_entry_ids =
3297 vec![ProjectEntryId::from_proto(3), ProjectEntryId::from_proto(4)];
3298 item
3299 };
3300
3301 // Create two panes that contain the following project entries:
3302 // left pane:
3303 // multi-entry items: (2, 3)
3304 // single-entry items: 0, 1, 2, 3, 4
3305 // right pane:
3306 // single-entry items: 1
3307 // multi-entry items: (3, 4)
3308 let left_pane = workspace.update(cx, |workspace, cx| {
3309 let left_pane = workspace.active_pane().clone();
3310 workspace.add_item(Box::new(cx.add_view(|_| item_2_3.clone())), cx);
3311 for item in &single_entry_items {
3312 workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
3313 }
3314 left_pane.update(cx, |pane, cx| {
3315 pane.activate_item(2, true, true, cx);
3316 });
3317
3318 workspace
3319 .split_pane(left_pane.clone(), SplitDirection::Right, cx)
3320 .unwrap();
3321
3322 left_pane
3323 });
3324
3325 //Need to cause an effect flush in order to respect new focus
3326 workspace.update(cx, |workspace, cx| {
3327 workspace.add_item(Box::new(cx.add_view(|_| item_3_4.clone())), cx);
3328 cx.focus(left_pane.clone());
3329 });
3330
3331 // When closing all of the items in the left pane, we should be prompted twice:
3332 // once for project entry 0, and once for project entry 2. After those two
3333 // prompts, the task should complete.
3334
3335 let close = workspace.update(cx, |workspace, cx| {
3336 Pane::close_items(workspace, left_pane.clone(), cx, |_| true)
3337 });
3338
3339 cx.foreground().run_until_parked();
3340 left_pane.read_with(cx, |pane, cx| {
3341 assert_eq!(
3342 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3343 &[ProjectEntryId::from_proto(0)]
3344 );
3345 });
3346 cx.simulate_prompt_answer(window_id, 0);
3347
3348 cx.foreground().run_until_parked();
3349 left_pane.read_with(cx, |pane, cx| {
3350 assert_eq!(
3351 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
3352 &[ProjectEntryId::from_proto(2)]
3353 );
3354 });
3355 cx.simulate_prompt_answer(window_id, 0);
3356
3357 cx.foreground().run_until_parked();
3358 close.await.unwrap();
3359 left_pane.read_with(cx, |pane, _| {
3360 assert_eq!(pane.items().count(), 0);
3361 });
3362 }
3363
3364 #[gpui::test]
3365 async fn test_autosave(deterministic: Arc<Deterministic>, cx: &mut gpui::TestAppContext) {
3366 deterministic.forbid_parking();
3367
3368 Settings::test_async(cx);
3369 let fs = FakeFs::new(cx.background());
3370
3371 let project = Project::test(fs, [], cx).await;
3372 let (window_id, workspace) =
3373 cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3374
3375 let item = cx.add_view(&workspace, |_| {
3376 let mut item = TestItem::new();
3377 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3378 item
3379 });
3380 let item_id = item.id();
3381 workspace.update(cx, |workspace, cx| {
3382 workspace.add_item(Box::new(item.clone()), cx);
3383 });
3384
3385 // Autosave on window change.
3386 item.update(cx, |item, cx| {
3387 cx.update_global(|settings: &mut Settings, _| {
3388 settings.autosave = Autosave::OnWindowChange;
3389 });
3390 item.is_dirty = true;
3391 });
3392
3393 // Deactivating the window saves the file.
3394 cx.simulate_window_activation(None);
3395 deterministic.run_until_parked();
3396 item.read_with(cx, |item, _| assert_eq!(item.save_count, 1));
3397
3398 // Autosave on focus change.
3399 item.update(cx, |item, cx| {
3400 cx.focus_self();
3401 cx.update_global(|settings: &mut Settings, _| {
3402 settings.autosave = Autosave::OnFocusChange;
3403 });
3404 item.is_dirty = true;
3405 });
3406
3407 // Blurring the item saves the file.
3408 item.update(cx, |_, cx| cx.blur());
3409 deterministic.run_until_parked();
3410 item.read_with(cx, |item, _| assert_eq!(item.save_count, 2));
3411
3412 // Deactivating the window still saves the file.
3413 cx.simulate_window_activation(Some(window_id));
3414 item.update(cx, |item, cx| {
3415 cx.focus_self();
3416 item.is_dirty = true;
3417 });
3418 cx.simulate_window_activation(None);
3419
3420 deterministic.run_until_parked();
3421 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3422
3423 // Autosave after delay.
3424 item.update(cx, |item, cx| {
3425 cx.update_global(|settings: &mut Settings, _| {
3426 settings.autosave = Autosave::AfterDelay { milliseconds: 500 };
3427 });
3428 item.is_dirty = true;
3429 cx.emit(TestItemEvent::Edit);
3430 });
3431
3432 // Delay hasn't fully expired, so the file is still dirty and unsaved.
3433 deterministic.advance_clock(Duration::from_millis(250));
3434 item.read_with(cx, |item, _| assert_eq!(item.save_count, 3));
3435
3436 // After delay expires, the file is saved.
3437 deterministic.advance_clock(Duration::from_millis(250));
3438 item.read_with(cx, |item, _| assert_eq!(item.save_count, 4));
3439
3440 // Autosave on focus change, ensuring closing the tab counts as such.
3441 item.update(cx, |item, cx| {
3442 cx.update_global(|settings: &mut Settings, _| {
3443 settings.autosave = Autosave::OnFocusChange;
3444 });
3445 item.is_dirty = true;
3446 });
3447
3448 workspace
3449 .update(cx, |workspace, cx| {
3450 let pane = workspace.active_pane().clone();
3451 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3452 })
3453 .await
3454 .unwrap();
3455 assert!(!cx.has_pending_prompt(window_id));
3456 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3457
3458 // Add the item again, ensuring autosave is prevented if the underlying file has been deleted.
3459 workspace.update(cx, |workspace, cx| {
3460 workspace.add_item(Box::new(item.clone()), cx);
3461 });
3462 item.update(cx, |item, cx| {
3463 item.project_entry_ids = Default::default();
3464 item.is_dirty = true;
3465 cx.blur();
3466 });
3467 deterministic.run_until_parked();
3468 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3469
3470 // Ensure autosave is prevented for deleted files also when closing the buffer.
3471 let _close_items = workspace.update(cx, |workspace, cx| {
3472 let pane = workspace.active_pane().clone();
3473 Pane::close_items(workspace, pane, cx, move |id| id == item_id)
3474 });
3475 deterministic.run_until_parked();
3476 assert!(cx.has_pending_prompt(window_id));
3477 item.read_with(cx, |item, _| assert_eq!(item.save_count, 5));
3478 }
3479
3480 #[gpui::test]
3481 async fn test_pane_navigation(
3482 deterministic: Arc<Deterministic>,
3483 cx: &mut gpui::TestAppContext,
3484 ) {
3485 deterministic.forbid_parking();
3486 Settings::test_async(cx);
3487 let fs = FakeFs::new(cx.background());
3488
3489 let project = Project::test(fs, [], cx).await;
3490 let (_, workspace) = cx.add_window(|cx| Workspace::new(project, default_item_factory, cx));
3491
3492 let item = cx.add_view(&workspace, |_| {
3493 let mut item = TestItem::new();
3494 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
3495 item
3496 });
3497 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3498 let toolbar = pane.read_with(cx, |pane, _| pane.toolbar().clone());
3499 let toolbar_notify_count = Rc::new(RefCell::new(0));
3500
3501 workspace.update(cx, |workspace, cx| {
3502 workspace.add_item(Box::new(item.clone()), cx);
3503 let toolbar_notification_count = toolbar_notify_count.clone();
3504 cx.observe(&toolbar, move |_, _, _| {
3505 *toolbar_notification_count.borrow_mut() += 1
3506 })
3507 .detach();
3508 });
3509
3510 pane.read_with(cx, |pane, _| {
3511 assert!(!pane.can_navigate_backward());
3512 assert!(!pane.can_navigate_forward());
3513 });
3514
3515 item.update(cx, |item, cx| {
3516 item.set_state("one".to_string(), cx);
3517 });
3518
3519 // Toolbar must be notified to re-render the navigation buttons
3520 assert_eq!(*toolbar_notify_count.borrow(), 1);
3521
3522 pane.read_with(cx, |pane, _| {
3523 assert!(pane.can_navigate_backward());
3524 assert!(!pane.can_navigate_forward());
3525 });
3526
3527 workspace
3528 .update(cx, |workspace, cx| {
3529 Pane::go_back(workspace, Some(pane.clone()), cx)
3530 })
3531 .await;
3532
3533 assert_eq!(*toolbar_notify_count.borrow(), 3);
3534 pane.read_with(cx, |pane, _| {
3535 assert!(!pane.can_navigate_backward());
3536 assert!(pane.can_navigate_forward());
3537 });
3538 }
3539
3540 pub struct TestItem {
3541 state: String,
3542 pub label: String,
3543 save_count: usize,
3544 save_as_count: usize,
3545 reload_count: usize,
3546 is_dirty: bool,
3547 is_singleton: bool,
3548 has_conflict: bool,
3549 project_entry_ids: Vec<ProjectEntryId>,
3550 project_path: Option<ProjectPath>,
3551 nav_history: Option<ItemNavHistory>,
3552 tab_descriptions: Option<Vec<&'static str>>,
3553 tab_detail: Cell<Option<usize>>,
3554 }
3555
3556 pub enum TestItemEvent {
3557 Edit,
3558 }
3559
3560 impl Clone for TestItem {
3561 fn clone(&self) -> Self {
3562 Self {
3563 state: self.state.clone(),
3564 label: self.label.clone(),
3565 save_count: self.save_count,
3566 save_as_count: self.save_as_count,
3567 reload_count: self.reload_count,
3568 is_dirty: self.is_dirty,
3569 is_singleton: self.is_singleton,
3570 has_conflict: self.has_conflict,
3571 project_entry_ids: self.project_entry_ids.clone(),
3572 project_path: self.project_path.clone(),
3573 nav_history: None,
3574 tab_descriptions: None,
3575 tab_detail: Default::default(),
3576 }
3577 }
3578 }
3579
3580 impl TestItem {
3581 pub fn new() -> Self {
3582 Self {
3583 state: String::new(),
3584 label: String::new(),
3585 save_count: 0,
3586 save_as_count: 0,
3587 reload_count: 0,
3588 is_dirty: false,
3589 has_conflict: false,
3590 project_entry_ids: Vec::new(),
3591 project_path: None,
3592 is_singleton: true,
3593 nav_history: None,
3594 tab_descriptions: None,
3595 tab_detail: Default::default(),
3596 }
3597 }
3598
3599 pub fn with_label(mut self, state: &str) -> Self {
3600 self.label = state.to_string();
3601 self
3602 }
3603
3604 pub fn with_singleton(mut self, singleton: bool) -> Self {
3605 self.is_singleton = singleton;
3606 self
3607 }
3608
3609 pub fn with_project_entry_ids(mut self, project_entry_ids: &[u64]) -> Self {
3610 self.project_entry_ids.extend(
3611 project_entry_ids
3612 .iter()
3613 .copied()
3614 .map(ProjectEntryId::from_proto),
3615 );
3616 self
3617 }
3618
3619 fn set_state(&mut self, state: String, cx: &mut ViewContext<Self>) {
3620 self.push_to_nav_history(cx);
3621 self.state = state;
3622 }
3623
3624 fn push_to_nav_history(&mut self, cx: &mut ViewContext<Self>) {
3625 if let Some(history) = &mut self.nav_history {
3626 history.push(Some(Box::new(self.state.clone())), cx);
3627 }
3628 }
3629 }
3630
3631 impl Entity for TestItem {
3632 type Event = TestItemEvent;
3633 }
3634
3635 impl View for TestItem {
3636 fn ui_name() -> &'static str {
3637 "TestItem"
3638 }
3639
3640 fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
3641 Empty::new().boxed()
3642 }
3643 }
3644
3645 impl Item for TestItem {
3646 fn tab_description<'a>(&'a self, detail: usize, _: &'a AppContext) -> Option<Cow<'a, str>> {
3647 self.tab_descriptions.as_ref().and_then(|descriptions| {
3648 let description = *descriptions.get(detail).or_else(|| descriptions.last())?;
3649 Some(description.into())
3650 })
3651 }
3652
3653 fn tab_content(&self, detail: Option<usize>, _: &theme::Tab, _: &AppContext) -> ElementBox {
3654 self.tab_detail.set(detail);
3655 Empty::new().boxed()
3656 }
3657
3658 fn project_path(&self, _: &AppContext) -> Option<ProjectPath> {
3659 self.project_path.clone()
3660 }
3661
3662 fn project_entry_ids(&self, _: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
3663 self.project_entry_ids.iter().copied().collect()
3664 }
3665
3666 fn is_singleton(&self, _: &AppContext) -> bool {
3667 self.is_singleton
3668 }
3669
3670 fn set_nav_history(&mut self, history: ItemNavHistory, _: &mut ViewContext<Self>) {
3671 self.nav_history = Some(history);
3672 }
3673
3674 fn navigate(&mut self, state: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
3675 let state = *state.downcast::<String>().unwrap_or_default();
3676 if state != self.state {
3677 self.state = state;
3678 true
3679 } else {
3680 false
3681 }
3682 }
3683
3684 fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
3685 self.push_to_nav_history(cx);
3686 }
3687
3688 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
3689 where
3690 Self: Sized,
3691 {
3692 Some(self.clone())
3693 }
3694
3695 fn is_dirty(&self, _: &AppContext) -> bool {
3696 self.is_dirty
3697 }
3698
3699 fn has_conflict(&self, _: &AppContext) -> bool {
3700 self.has_conflict
3701 }
3702
3703 fn can_save(&self, _: &AppContext) -> bool {
3704 !self.project_entry_ids.is_empty()
3705 }
3706
3707 fn save(
3708 &mut self,
3709 _: ModelHandle<Project>,
3710 _: &mut ViewContext<Self>,
3711 ) -> Task<anyhow::Result<()>> {
3712 self.save_count += 1;
3713 self.is_dirty = false;
3714 Task::ready(Ok(()))
3715 }
3716
3717 fn save_as(
3718 &mut self,
3719 _: ModelHandle<Project>,
3720 _: std::path::PathBuf,
3721 _: &mut ViewContext<Self>,
3722 ) -> Task<anyhow::Result<()>> {
3723 self.save_as_count += 1;
3724 self.is_dirty = false;
3725 Task::ready(Ok(()))
3726 }
3727
3728 fn reload(
3729 &mut self,
3730 _: ModelHandle<Project>,
3731 _: &mut ViewContext<Self>,
3732 ) -> Task<anyhow::Result<()>> {
3733 self.reload_count += 1;
3734 self.is_dirty = false;
3735 Task::ready(Ok(()))
3736 }
3737
3738 fn to_item_events(_: &Self::Event) -> Vec<ItemEvent> {
3739 vec![ItemEvent::UpdateTab, ItemEvent::Edit]
3740 }
3741 }
3742
3743 impl SidebarItem for TestItem {}
3744}