workspace.rs

   1pub mod menu;
   2pub mod pane;
   3pub mod pane_group;
   4pub mod settings;
   5pub mod sidebar;
   6mod status_bar;
   7
   8use anyhow::{anyhow, Result};
   9use client::{Authenticate, ChannelList, Client, User, UserStore};
  10use clock::ReplicaId;
  11use collections::HashSet;
  12use gpui::{
  13    action,
  14    color::Color,
  15    elements::*,
  16    geometry::{vector::vec2f, PathBuilder},
  17    json::{self, to_string_pretty, ToJson},
  18    keymap::Binding,
  19    platform::{CursorStyle, WindowOptions},
  20    AnyModelHandle, AnyViewHandle, AppContext, ClipboardItem, Entity, ModelContext, ModelHandle,
  21    MutableAppContext, PathPromptOptions, PromptLevel, RenderContext, Task, View, ViewContext,
  22    ViewHandle, WeakModelHandle, WeakViewHandle,
  23};
  24use language::LanguageRegistry;
  25use log::error;
  26pub use pane::*;
  27pub use pane_group::*;
  28use parking_lot::Mutex;
  29use postage::{prelude::Stream, watch};
  30use project::{fs, Fs, Project, ProjectEntry, ProjectPath, Worktree};
  31pub use settings::Settings;
  32use sidebar::{Side, Sidebar, SidebarItemId, ToggleSidebarItem, ToggleSidebarItemFocus};
  33use status_bar::StatusBar;
  34pub use status_bar::StatusItemView;
  35use std::{
  36    any::Any,
  37    future::Future,
  38    hash::{Hash, Hasher},
  39    path::{Path, PathBuf},
  40    rc::Rc,
  41    sync::Arc,
  42};
  43use theme::{Theme, ThemeRegistry};
  44
  45action!(Open, Arc<AppState>);
  46action!(OpenNew, Arc<AppState>);
  47action!(OpenPaths, OpenParams);
  48action!(ToggleShare);
  49action!(JoinProject, JoinProjectParams);
  50action!(Save);
  51action!(DebugElements);
  52
  53pub fn init(cx: &mut MutableAppContext) {
  54    pane::init(cx);
  55    menu::init(cx);
  56
  57    cx.add_global_action(open);
  58    cx.add_global_action(move |action: &OpenPaths, cx: &mut MutableAppContext| {
  59        open_paths(&action.0.paths, &action.0.app_state, cx).detach();
  60    });
  61    cx.add_global_action(move |action: &OpenNew, cx: &mut MutableAppContext| {
  62        open_new(&action.0, cx)
  63    });
  64    cx.add_global_action(move |action: &JoinProject, cx: &mut MutableAppContext| {
  65        join_project(action.0.project_id, &action.0.app_state, cx).detach();
  66    });
  67
  68    cx.add_action(Workspace::toggle_share);
  69    cx.add_action(Workspace::save_active_item);
  70    cx.add_action(Workspace::debug_elements);
  71    cx.add_action(Workspace::toggle_sidebar_item);
  72    cx.add_action(Workspace::toggle_sidebar_item_focus);
  73    cx.add_bindings(vec![
  74        Binding::new("cmd-s", Save, None),
  75        Binding::new("cmd-alt-i", DebugElements, None),
  76        Binding::new(
  77            "cmd-shift-!",
  78            ToggleSidebarItem(SidebarItemId {
  79                side: Side::Left,
  80                item_index: 0,
  81            }),
  82            None,
  83        ),
  84        Binding::new(
  85            "cmd-1",
  86            ToggleSidebarItemFocus(SidebarItemId {
  87                side: Side::Left,
  88                item_index: 0,
  89            }),
  90            None,
  91        ),
  92    ]);
  93}
  94
  95pub struct AppState {
  96    pub settings_tx: Arc<Mutex<watch::Sender<Settings>>>,
  97    pub settings: watch::Receiver<Settings>,
  98    pub languages: Arc<LanguageRegistry>,
  99    pub themes: Arc<ThemeRegistry>,
 100    pub client: Arc<client::Client>,
 101    pub user_store: ModelHandle<client::UserStore>,
 102    pub fs: Arc<dyn fs::Fs>,
 103    pub channel_list: ModelHandle<client::ChannelList>,
 104    pub path_openers: Arc<[Box<dyn PathOpener>]>,
 105    pub build_window_options: &'static dyn Fn() -> WindowOptions<'static>,
 106    pub build_workspace: &'static dyn Fn(
 107        ModelHandle<Project>,
 108        &Arc<AppState>,
 109        &mut ViewContext<Workspace>,
 110    ) -> Workspace,
 111}
 112
 113#[derive(Clone)]
 114pub struct OpenParams {
 115    pub paths: Vec<PathBuf>,
 116    pub app_state: Arc<AppState>,
 117}
 118
 119#[derive(Clone)]
 120pub struct JoinProjectParams {
 121    pub project_id: u64,
 122    pub app_state: Arc<AppState>,
 123}
 124
 125pub trait PathOpener {
 126    fn open(
 127        &self,
 128        project: &mut Project,
 129        path: ProjectPath,
 130        cx: &mut ModelContext<Project>,
 131    ) -> Option<Task<Result<Box<dyn ItemHandle>>>>;
 132}
 133
 134pub trait Item: Entity + Sized {
 135    type View: ItemView;
 136
 137    fn build_view(
 138        handle: ModelHandle<Self>,
 139        workspace: &Workspace,
 140        nav_history: Rc<NavHistory>,
 141        cx: &mut ViewContext<Self::View>,
 142    ) -> Self::View;
 143    fn project_entry(&self) -> Option<ProjectEntry>;
 144}
 145
 146pub trait ItemView: View {
 147    type ItemHandle: ItemHandle;
 148
 149    fn deactivated(&mut self, _: &mut ViewContext<Self>) {}
 150    fn navigate(&mut self, _: Box<dyn Any>, _: &mut ViewContext<Self>) {}
 151    fn item_handle(&self, cx: &AppContext) -> Self::ItemHandle;
 152    fn title(&self, cx: &AppContext) -> String;
 153    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry>;
 154    fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
 155    where
 156        Self: Sized,
 157    {
 158        None
 159    }
 160    fn is_dirty(&self, _: &AppContext) -> bool {
 161        false
 162    }
 163    fn has_conflict(&self, _: &AppContext) -> bool {
 164        false
 165    }
 166    fn can_save(&self, cx: &AppContext) -> bool;
 167    fn save(&mut self, cx: &mut ViewContext<Self>) -> Result<Task<Result<()>>>;
 168    fn can_save_as(&self, cx: &AppContext) -> bool;
 169    fn save_as(
 170        &mut self,
 171        project: ModelHandle<Project>,
 172        abs_path: PathBuf,
 173        cx: &mut ViewContext<Self>,
 174    ) -> Task<anyhow::Result<()>>;
 175    fn should_activate_item_on_event(_: &Self::Event) -> bool {
 176        false
 177    }
 178    fn should_close_item_on_event(_: &Self::Event) -> bool {
 179        false
 180    }
 181    fn should_update_tab_on_event(_: &Self::Event) -> bool {
 182        false
 183    }
 184}
 185
 186pub trait ItemHandle: Send + Sync {
 187    fn id(&self) -> usize;
 188    fn add_view(
 189        &self,
 190        window_id: usize,
 191        workspace: &Workspace,
 192        nav_history: Rc<NavHistory>,
 193        cx: &mut MutableAppContext,
 194    ) -> Box<dyn ItemViewHandle>;
 195    fn boxed_clone(&self) -> Box<dyn ItemHandle>;
 196    fn downgrade(&self) -> Box<dyn WeakItemHandle>;
 197    fn to_any(&self) -> AnyModelHandle;
 198    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry>;
 199}
 200
 201pub trait WeakItemHandle {
 202    fn id(&self) -> usize;
 203    fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>>;
 204}
 205
 206pub trait ItemViewHandle {
 207    fn item_handle(&self, cx: &AppContext) -> Box<dyn ItemHandle>;
 208    fn title(&self, cx: &AppContext) -> String;
 209    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry>;
 210    fn boxed_clone(&self) -> Box<dyn ItemViewHandle>;
 211    fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemViewHandle>>;
 212    fn added_to_pane(&mut self, cx: &mut ViewContext<Pane>);
 213    fn deactivated(&self, cx: &mut MutableAppContext);
 214    fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext);
 215    fn id(&self) -> usize;
 216    fn to_any(&self) -> AnyViewHandle;
 217    fn is_dirty(&self, cx: &AppContext) -> bool;
 218    fn has_conflict(&self, cx: &AppContext) -> bool;
 219    fn can_save(&self, cx: &AppContext) -> bool;
 220    fn can_save_as(&self, cx: &AppContext) -> bool;
 221    fn save(&self, cx: &mut MutableAppContext) -> Result<Task<Result<()>>>;
 222    fn save_as(
 223        &self,
 224        project: ModelHandle<Project>,
 225        abs_path: PathBuf,
 226        cx: &mut MutableAppContext,
 227    ) -> Task<anyhow::Result<()>>;
 228}
 229
 230pub trait WeakItemViewHandle {
 231    fn id(&self) -> usize;
 232    fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemViewHandle>>;
 233}
 234
 235impl<T: Item> ItemHandle for ModelHandle<T> {
 236    fn id(&self) -> usize {
 237        self.id()
 238    }
 239
 240    fn add_view(
 241        &self,
 242        window_id: usize,
 243        workspace: &Workspace,
 244        nav_history: Rc<NavHistory>,
 245        cx: &mut MutableAppContext,
 246    ) -> Box<dyn ItemViewHandle> {
 247        Box::new(cx.add_view(window_id, |cx| {
 248            T::build_view(self.clone(), workspace, nav_history, cx)
 249        }))
 250    }
 251
 252    fn boxed_clone(&self) -> Box<dyn ItemHandle> {
 253        Box::new(self.clone())
 254    }
 255
 256    fn downgrade(&self) -> Box<dyn WeakItemHandle> {
 257        Box::new(self.downgrade())
 258    }
 259
 260    fn to_any(&self) -> AnyModelHandle {
 261        self.clone().into()
 262    }
 263
 264    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry> {
 265        self.read(cx).project_entry()
 266    }
 267}
 268
 269impl ItemHandle for Box<dyn ItemHandle> {
 270    fn id(&self) -> usize {
 271        ItemHandle::id(self.as_ref())
 272    }
 273
 274    fn add_view(
 275        &self,
 276        window_id: usize,
 277        workspace: &Workspace,
 278        nav_history: Rc<NavHistory>,
 279        cx: &mut MutableAppContext,
 280    ) -> Box<dyn ItemViewHandle> {
 281        ItemHandle::add_view(self.as_ref(), window_id, workspace, nav_history, cx)
 282    }
 283
 284    fn boxed_clone(&self) -> Box<dyn ItemHandle> {
 285        self.as_ref().boxed_clone()
 286    }
 287
 288    fn downgrade(&self) -> Box<dyn WeakItemHandle> {
 289        self.as_ref().downgrade()
 290    }
 291
 292    fn to_any(&self) -> AnyModelHandle {
 293        self.as_ref().to_any()
 294    }
 295
 296    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry> {
 297        self.as_ref().project_entry(cx)
 298    }
 299}
 300
 301impl<T: Item> WeakItemHandle for WeakModelHandle<T> {
 302    fn id(&self) -> usize {
 303        WeakModelHandle::id(self)
 304    }
 305
 306    fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
 307        WeakModelHandle::<T>::upgrade(*self, cx).map(|i| Box::new(i) as Box<dyn ItemHandle>)
 308    }
 309}
 310
 311impl Hash for Box<dyn WeakItemHandle> {
 312    fn hash<H: Hasher>(&self, state: &mut H) {
 313        self.id().hash(state);
 314    }
 315}
 316
 317impl PartialEq for Box<dyn WeakItemHandle> {
 318    fn eq(&self, other: &Self) -> bool {
 319        self.id() == other.id()
 320    }
 321}
 322
 323impl Eq for Box<dyn WeakItemHandle> {}
 324
 325impl<T: ItemView> ItemViewHandle for ViewHandle<T> {
 326    fn item_handle(&self, cx: &AppContext) -> Box<dyn ItemHandle> {
 327        Box::new(self.read(cx).item_handle(cx))
 328    }
 329
 330    fn title(&self, cx: &AppContext) -> String {
 331        self.read(cx).title(cx)
 332    }
 333
 334    fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry> {
 335        self.read(cx).project_entry(cx)
 336    }
 337
 338    fn boxed_clone(&self) -> Box<dyn ItemViewHandle> {
 339        Box::new(self.clone())
 340    }
 341
 342    fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemViewHandle>> {
 343        self.update(cx, |item, cx| {
 344            cx.add_option_view(|cx| item.clone_on_split(cx))
 345        })
 346        .map(|handle| Box::new(handle) as Box<dyn ItemViewHandle>)
 347    }
 348
 349    fn added_to_pane(&mut self, cx: &mut ViewContext<Pane>) {
 350        cx.subscribe(self, |pane, item, event, cx| {
 351            if T::should_close_item_on_event(event) {
 352                pane.close_item(item.id(), cx);
 353                return;
 354            }
 355            if T::should_activate_item_on_event(event) {
 356                if let Some(ix) = pane.index_for_item_view(&item) {
 357                    pane.activate_item(ix, cx);
 358                    pane.activate(cx);
 359                }
 360            }
 361            if T::should_update_tab_on_event(event) {
 362                cx.notify()
 363            }
 364        })
 365        .detach();
 366    }
 367
 368    fn deactivated(&self, cx: &mut MutableAppContext) {
 369        self.update(cx, |this, cx| this.deactivated(cx));
 370    }
 371
 372    fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) {
 373        self.update(cx, |this, cx| this.navigate(data, cx));
 374    }
 375
 376    fn save(&self, cx: &mut MutableAppContext) -> Result<Task<Result<()>>> {
 377        self.update(cx, |item, cx| item.save(cx))
 378    }
 379
 380    fn save_as(
 381        &self,
 382        project: ModelHandle<Project>,
 383        abs_path: PathBuf,
 384        cx: &mut MutableAppContext,
 385    ) -> Task<anyhow::Result<()>> {
 386        self.update(cx, |item, cx| item.save_as(project, abs_path, cx))
 387    }
 388
 389    fn is_dirty(&self, cx: &AppContext) -> bool {
 390        self.read(cx).is_dirty(cx)
 391    }
 392
 393    fn has_conflict(&self, cx: &AppContext) -> bool {
 394        self.read(cx).has_conflict(cx)
 395    }
 396
 397    fn id(&self) -> usize {
 398        self.id()
 399    }
 400
 401    fn to_any(&self) -> AnyViewHandle {
 402        self.into()
 403    }
 404
 405    fn can_save(&self, cx: &AppContext) -> bool {
 406        self.read(cx).can_save(cx)
 407    }
 408
 409    fn can_save_as(&self, cx: &AppContext) -> bool {
 410        self.read(cx).can_save_as(cx)
 411    }
 412}
 413
 414impl Clone for Box<dyn ItemViewHandle> {
 415    fn clone(&self) -> Box<dyn ItemViewHandle> {
 416        self.boxed_clone()
 417    }
 418}
 419
 420impl Clone for Box<dyn ItemHandle> {
 421    fn clone(&self) -> Box<dyn ItemHandle> {
 422        self.boxed_clone()
 423    }
 424}
 425
 426impl<T: ItemView> WeakItemViewHandle for WeakViewHandle<T> {
 427    fn id(&self) -> usize {
 428        self.id()
 429    }
 430
 431    fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemViewHandle>> {
 432        self.upgrade(cx)
 433            .map(|v| Box::new(v) as Box<dyn ItemViewHandle>)
 434    }
 435}
 436
 437#[derive(Clone)]
 438pub struct WorkspaceParams {
 439    pub project: ModelHandle<Project>,
 440    pub client: Arc<Client>,
 441    pub fs: Arc<dyn Fs>,
 442    pub languages: Arc<LanguageRegistry>,
 443    pub settings: watch::Receiver<Settings>,
 444    pub user_store: ModelHandle<UserStore>,
 445    pub channel_list: ModelHandle<ChannelList>,
 446    pub path_openers: Arc<[Box<dyn PathOpener>]>,
 447}
 448
 449impl WorkspaceParams {
 450    #[cfg(any(test, feature = "test-support"))]
 451    pub fn test(cx: &mut MutableAppContext) -> Self {
 452        let fs = Arc::new(project::FakeFs::new());
 453        let languages = Arc::new(LanguageRegistry::new());
 454        let http_client = client::test::FakeHttpClient::new(|_| async move {
 455            Ok(client::http::ServerResponse::new(404))
 456        });
 457        let client = Client::new(http_client.clone());
 458        let theme =
 459            gpui::fonts::with_font_cache(cx.font_cache().clone(), || theme::Theme::default());
 460        let settings = Settings::new("Courier", cx.font_cache(), Arc::new(theme)).unwrap();
 461        let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
 462        let project = Project::local(
 463            client.clone(),
 464            user_store.clone(),
 465            languages.clone(),
 466            fs.clone(),
 467            cx,
 468        );
 469        Self {
 470            project,
 471            channel_list: cx
 472                .add_model(|cx| ChannelList::new(user_store.clone(), client.clone(), cx)),
 473            client,
 474            fs,
 475            languages,
 476            settings: watch::channel_with(settings).1,
 477            user_store,
 478            path_openers: Arc::from([]),
 479        }
 480    }
 481
 482    #[cfg(any(test, feature = "test-support"))]
 483    pub fn local(app_state: &Arc<AppState>, cx: &mut MutableAppContext) -> Self {
 484        Self {
 485            project: Project::local(
 486                app_state.client.clone(),
 487                app_state.user_store.clone(),
 488                app_state.languages.clone(),
 489                app_state.fs.clone(),
 490                cx,
 491            ),
 492            client: app_state.client.clone(),
 493            fs: app_state.fs.clone(),
 494            languages: app_state.languages.clone(),
 495            settings: app_state.settings.clone(),
 496            user_store: app_state.user_store.clone(),
 497            channel_list: app_state.channel_list.clone(),
 498            path_openers: app_state.path_openers.clone(),
 499        }
 500    }
 501}
 502
 503pub struct Workspace {
 504    pub settings: watch::Receiver<Settings>,
 505    weak_self: WeakViewHandle<Self>,
 506    client: Arc<Client>,
 507    user_store: ModelHandle<client::UserStore>,
 508    fs: Arc<dyn Fs>,
 509    modal: Option<AnyViewHandle>,
 510    center: PaneGroup,
 511    left_sidebar: Sidebar,
 512    right_sidebar: Sidebar,
 513    panes: Vec<ViewHandle<Pane>>,
 514    active_pane: ViewHandle<Pane>,
 515    status_bar: ViewHandle<StatusBar>,
 516    project: ModelHandle<Project>,
 517    path_openers: Arc<[Box<dyn PathOpener>]>,
 518    items: HashSet<Box<dyn WeakItemHandle>>,
 519    _observe_current_user: Task<()>,
 520}
 521
 522impl Workspace {
 523    pub fn new(params: &WorkspaceParams, cx: &mut ViewContext<Self>) -> Self {
 524        cx.observe(&params.project, |_, _, cx| cx.notify()).detach();
 525
 526        let pane = cx.add_view(|_| Pane::new(params.settings.clone()));
 527        let pane_id = pane.id();
 528        cx.observe(&pane, move |me, _, cx| {
 529            let active_entry = me.active_project_path(cx);
 530            me.project
 531                .update(cx, |project, cx| project.set_active_path(active_entry, cx));
 532        })
 533        .detach();
 534        cx.subscribe(&pane, move |me, _, event, cx| {
 535            me.handle_pane_event(pane_id, event, cx)
 536        })
 537        .detach();
 538        cx.focus(&pane);
 539
 540        let status_bar = cx.add_view(|cx| StatusBar::new(&pane, params.settings.clone(), cx));
 541        let mut current_user = params.user_store.read(cx).watch_current_user().clone();
 542        let mut connection_status = params.client.status().clone();
 543        let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
 544            current_user.recv().await;
 545            connection_status.recv().await;
 546            let mut stream =
 547                Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
 548
 549            while stream.recv().await.is_some() {
 550                cx.update(|cx| {
 551                    if let Some(this) = this.upgrade(&cx) {
 552                        this.update(cx, |_, cx| cx.notify());
 553                    }
 554                })
 555            }
 556        });
 557
 558        Workspace {
 559            modal: None,
 560            weak_self: cx.weak_handle(),
 561            center: PaneGroup::new(pane.id()),
 562            panes: vec![pane.clone()],
 563            active_pane: pane.clone(),
 564            status_bar,
 565            settings: params.settings.clone(),
 566            client: params.client.clone(),
 567            user_store: params.user_store.clone(),
 568            fs: params.fs.clone(),
 569            left_sidebar: Sidebar::new(Side::Left),
 570            right_sidebar: Sidebar::new(Side::Right),
 571            project: params.project.clone(),
 572            path_openers: params.path_openers.clone(),
 573            items: Default::default(),
 574            _observe_current_user,
 575        }
 576    }
 577
 578    pub fn weak_handle(&self) -> WeakViewHandle<Self> {
 579        self.weak_self.clone()
 580    }
 581
 582    pub fn settings(&self) -> watch::Receiver<Settings> {
 583        self.settings.clone()
 584    }
 585
 586    pub fn left_sidebar_mut(&mut self) -> &mut Sidebar {
 587        &mut self.left_sidebar
 588    }
 589
 590    pub fn right_sidebar_mut(&mut self) -> &mut Sidebar {
 591        &mut self.right_sidebar
 592    }
 593
 594    pub fn status_bar(&self) -> &ViewHandle<StatusBar> {
 595        &self.status_bar
 596    }
 597
 598    pub fn project(&self) -> &ModelHandle<Project> {
 599        &self.project
 600    }
 601
 602    pub fn worktrees<'a>(&self, cx: &'a AppContext) -> &'a [ModelHandle<Worktree>] {
 603        &self.project.read(cx).worktrees()
 604    }
 605
 606    pub fn contains_paths(&self, paths: &[PathBuf], cx: &AppContext) -> bool {
 607        paths.iter().all(|path| self.contains_path(&path, cx))
 608    }
 609
 610    pub fn contains_path(&self, path: &Path, cx: &AppContext) -> bool {
 611        for worktree in self.worktrees(cx) {
 612            let worktree = worktree.read(cx).as_local();
 613            if worktree.map_or(false, |w| w.contains_abs_path(path)) {
 614                return true;
 615            }
 616        }
 617        false
 618    }
 619
 620    pub fn worktree_scans_complete(&self, cx: &AppContext) -> impl Future<Output = ()> + 'static {
 621        let futures = self
 622            .worktrees(cx)
 623            .iter()
 624            .filter_map(|worktree| worktree.read(cx).as_local())
 625            .map(|worktree| worktree.scan_complete())
 626            .collect::<Vec<_>>();
 627        async move {
 628            for future in futures {
 629                future.await;
 630            }
 631        }
 632    }
 633
 634    pub fn open_paths(
 635        &mut self,
 636        abs_paths: &[PathBuf],
 637        cx: &mut ViewContext<Self>,
 638    ) -> Task<Vec<Option<Result<Box<dyn ItemViewHandle>, Arc<anyhow::Error>>>>> {
 639        let entries = abs_paths
 640            .iter()
 641            .cloned()
 642            .map(|path| self.project_path_for_path(&path, cx))
 643            .collect::<Vec<_>>();
 644
 645        let fs = self.fs.clone();
 646        let tasks = abs_paths
 647            .iter()
 648            .cloned()
 649            .zip(entries.into_iter())
 650            .map(|(abs_path, project_path)| {
 651                cx.spawn(|this, mut cx| {
 652                    let fs = fs.clone();
 653                    async move {
 654                        let project_path = project_path.await.ok()?;
 655                        if fs.is_file(&abs_path).await {
 656                            Some(
 657                                this.update(&mut cx, |this, cx| this.open_path(project_path, cx))
 658                                    .await,
 659                            )
 660                        } else {
 661                            None
 662                        }
 663                    }
 664                })
 665            })
 666            .collect::<Vec<_>>();
 667
 668        cx.foreground().spawn(async move {
 669            let mut items = Vec::new();
 670            for task in tasks {
 671                items.push(task.await);
 672            }
 673            items
 674        })
 675    }
 676
 677    fn project_path_for_path(
 678        &self,
 679        abs_path: &Path,
 680        cx: &mut ViewContext<Self>,
 681    ) -> Task<Result<ProjectPath>> {
 682        let entry = self.project().update(cx, |project, cx| {
 683            project.worktree_for_abs_path(abs_path, cx)
 684        });
 685        cx.spawn(|_, cx| async move {
 686            let (worktree, path) = entry.await?;
 687            Ok(ProjectPath {
 688                worktree_id: worktree.read_with(&cx, |t, _| t.id()),
 689                path: path.into(),
 690            })
 691        })
 692    }
 693
 694    pub fn add_worktree(
 695        &self,
 696        path: &Path,
 697        cx: &mut ViewContext<Self>,
 698    ) -> Task<Result<ModelHandle<Worktree>>> {
 699        self.project
 700            .update(cx, |project, cx| project.add_local_worktree(path, cx))
 701    }
 702
 703    pub fn toggle_modal<V, F>(&mut self, cx: &mut ViewContext<Self>, add_view: F)
 704    where
 705        V: 'static + View,
 706        F: FnOnce(&mut ViewContext<Self>, &mut Self) -> ViewHandle<V>,
 707    {
 708        if self.modal.as_ref().map_or(false, |modal| modal.is::<V>()) {
 709            self.modal.take();
 710            cx.focus_self();
 711        } else {
 712            let modal = add_view(cx, self);
 713            cx.focus(&modal);
 714            self.modal = Some(modal.into());
 715        }
 716        cx.notify();
 717    }
 718
 719    pub fn modal(&self) -> Option<&AnyViewHandle> {
 720        self.modal.as_ref()
 721    }
 722
 723    pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
 724        if self.modal.take().is_some() {
 725            cx.focus(&self.active_pane);
 726            cx.notify();
 727        }
 728    }
 729
 730    pub fn open_path(
 731        &mut self,
 732        path: ProjectPath,
 733        cx: &mut ViewContext<Self>,
 734    ) -> Task<Result<Box<dyn ItemViewHandle>, Arc<anyhow::Error>>> {
 735        let load_task = self.load_path(path, cx);
 736        let pane = self.active_pane().clone().downgrade();
 737        cx.spawn(|this, mut cx| async move {
 738            let item = load_task.await?;
 739            this.update(&mut cx, |this, cx| {
 740                let pane = pane
 741                    .upgrade(&cx)
 742                    .ok_or_else(|| anyhow!("could not upgrade pane reference"))?;
 743                Ok(this.open_item_in_pane(item, &pane, cx))
 744            })
 745        })
 746    }
 747
 748    pub fn load_entry(
 749        &mut self,
 750        path: ProjectEntry,
 751        cx: &mut ViewContext<Self>,
 752    ) -> Task<Result<Box<dyn ItemHandle>>> {
 753        if let Some(path) = self.project.read(cx).path_for_entry(path, cx) {
 754            self.load_path(path, cx)
 755        } else {
 756            Task::ready(Err(anyhow!("entry does not exist")))
 757        }
 758    }
 759
 760    pub fn load_path(
 761        &mut self,
 762        path: ProjectPath,
 763        cx: &mut ViewContext<Self>,
 764    ) -> Task<Result<Box<dyn ItemHandle>>> {
 765        if let Some(existing_item) = self.item_for_path(&path, cx) {
 766            return Task::ready(Ok(existing_item));
 767        }
 768
 769        let project_path = path.clone();
 770        let path_openers = self.path_openers.clone();
 771        self.project.update(cx, |project, cx| {
 772            for opener in path_openers.iter() {
 773                if let Some(task) = opener.open(project, project_path.clone(), cx) {
 774                    return task;
 775                }
 776            }
 777            Task::ready(Err(anyhow!("no opener found for path {:?}", project_path)))
 778        })
 779    }
 780
 781    fn item_for_path(&self, path: &ProjectPath, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
 782        let project = self.project.read(cx);
 783        self.items.iter().filter_map(|i| i.upgrade(cx)).find(|i| {
 784            let item_path = i
 785                .project_entry(cx)
 786                .and_then(|entry| project.path_for_entry(entry, cx));
 787            item_path.as_ref() == Some(path)
 788        })
 789    }
 790
 791    pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ModelHandle<T>> {
 792        self.items
 793            .iter()
 794            .find_map(|i| i.upgrade(cx).and_then(|i| i.to_any().downcast()))
 795    }
 796
 797    pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemViewHandle>> {
 798        self.active_pane().read(cx).active_item()
 799    }
 800
 801    fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
 802        self.active_item(cx)
 803            .and_then(|item| item.project_entry(cx))
 804            .and_then(|entry| self.project.read(cx).path_for_entry(entry, cx))
 805    }
 806
 807    pub fn save_active_item(&mut self, _: &Save, cx: &mut ViewContext<Self>) {
 808        if let Some(item) = self.active_item(cx) {
 809            let handle = cx.handle();
 810            if item.can_save(cx) {
 811                if item.has_conflict(cx.as_ref()) {
 812                    const CONFLICT_MESSAGE: &'static str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
 813
 814                    cx.prompt(
 815                        PromptLevel::Warning,
 816                        CONFLICT_MESSAGE,
 817                        &["Overwrite", "Cancel"],
 818                        move |answer, cx| {
 819                            if answer == 0 {
 820                                cx.spawn(|mut cx| async move {
 821                                    if let Err(error) = cx.update(|cx| item.save(cx)).unwrap().await
 822                                    {
 823                                        error!("failed to save item: {:?}, ", error);
 824                                    }
 825                                })
 826                                .detach();
 827                            }
 828                        },
 829                    );
 830                } else {
 831                    cx.spawn(|_, mut cx| async move {
 832                        if let Err(error) = cx.update(|cx| item.save(cx)).unwrap().await {
 833                            error!("failed to save item: {:?}, ", error);
 834                        }
 835                    })
 836                    .detach();
 837                }
 838            } else if item.can_save_as(cx) {
 839                let worktree = self.worktrees(cx).first();
 840                let start_abs_path = worktree
 841                    .and_then(|w| w.read(cx).as_local())
 842                    .map_or(Path::new(""), |w| w.abs_path())
 843                    .to_path_buf();
 844                cx.prompt_for_new_path(&start_abs_path, move |abs_path, cx| {
 845                    if let Some(abs_path) = abs_path {
 846                        let project = handle.read(cx).project().clone();
 847                        cx.update(|cx| item.save_as(project, abs_path, cx).detach_and_log_err(cx));
 848                    }
 849                });
 850            }
 851        }
 852    }
 853
 854    pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
 855        let sidebar = match action.0.side {
 856            Side::Left => &mut self.left_sidebar,
 857            Side::Right => &mut self.right_sidebar,
 858        };
 859        sidebar.toggle_item(action.0.item_index);
 860        if let Some(active_item) = sidebar.active_item() {
 861            cx.focus(active_item);
 862        } else {
 863            cx.focus_self();
 864        }
 865        cx.notify();
 866    }
 867
 868    pub fn toggle_sidebar_item_focus(
 869        &mut self,
 870        action: &ToggleSidebarItemFocus,
 871        cx: &mut ViewContext<Self>,
 872    ) {
 873        let sidebar = match action.0.side {
 874            Side::Left => &mut self.left_sidebar,
 875            Side::Right => &mut self.right_sidebar,
 876        };
 877        sidebar.activate_item(action.0.item_index);
 878        if let Some(active_item) = sidebar.active_item() {
 879            if active_item.is_focused(cx) {
 880                cx.focus_self();
 881            } else {
 882                cx.focus(active_item);
 883            }
 884        }
 885        cx.notify();
 886    }
 887
 888    pub fn debug_elements(&mut self, _: &DebugElements, cx: &mut ViewContext<Self>) {
 889        match to_string_pretty(&cx.debug_elements()) {
 890            Ok(json) => {
 891                let kib = json.len() as f32 / 1024.;
 892                cx.as_mut().write_to_clipboard(ClipboardItem::new(json));
 893                log::info!(
 894                    "copied {:.1} KiB of element debug JSON to the clipboard",
 895                    kib
 896                );
 897            }
 898            Err(error) => {
 899                log::error!("error debugging elements: {}", error);
 900            }
 901        };
 902    }
 903
 904    fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
 905        let pane = cx.add_view(|_| Pane::new(self.settings.clone()));
 906        let pane_id = pane.id();
 907        cx.observe(&pane, move |me, _, cx| {
 908            let active_entry = me.active_project_path(cx);
 909            me.project
 910                .update(cx, |project, cx| project.set_active_path(active_entry, cx));
 911        })
 912        .detach();
 913        cx.subscribe(&pane, move |me, _, event, cx| {
 914            me.handle_pane_event(pane_id, event, cx)
 915        })
 916        .detach();
 917        self.panes.push(pane.clone());
 918        self.activate_pane(pane.clone(), cx);
 919        pane
 920    }
 921
 922    pub fn open_item<T>(
 923        &mut self,
 924        item_handle: T,
 925        cx: &mut ViewContext<Self>,
 926    ) -> Box<dyn ItemViewHandle>
 927    where
 928        T: 'static + ItemHandle,
 929    {
 930        self.open_item_in_pane(item_handle, &self.active_pane().clone(), cx)
 931    }
 932
 933    pub fn open_item_in_pane<T>(
 934        &mut self,
 935        item_handle: T,
 936        pane: &ViewHandle<Pane>,
 937        cx: &mut ViewContext<Self>,
 938    ) -> Box<dyn ItemViewHandle>
 939    where
 940        T: 'static + ItemHandle,
 941    {
 942        self.items.insert(item_handle.downgrade());
 943        pane.update(cx, |pane, cx| pane.open_item(item_handle, self, cx))
 944    }
 945
 946    pub fn activate_pane_for_item(
 947        &mut self,
 948        item: &dyn ItemHandle,
 949        cx: &mut ViewContext<Self>,
 950    ) -> bool {
 951        let pane = self.panes.iter().find_map(|pane| {
 952            if pane.read(cx).contains_item(item) {
 953                Some(pane.clone())
 954            } else {
 955                None
 956            }
 957        });
 958        if let Some(pane) = pane {
 959            self.activate_pane(pane.clone(), cx);
 960            true
 961        } else {
 962            false
 963        }
 964    }
 965
 966    pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
 967        let result = self.panes.iter().find_map(|pane| {
 968            if let Some(ix) = pane.read(cx).index_for_item(item) {
 969                Some((pane.clone(), ix))
 970            } else {
 971                None
 972            }
 973        });
 974        if let Some((pane, ix)) = result {
 975            self.activate_pane(pane.clone(), cx);
 976            pane.update(cx, |pane, cx| pane.activate_item(ix, cx));
 977            true
 978        } else {
 979            false
 980        }
 981    }
 982
 983    pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
 984        let ix = self
 985            .panes
 986            .iter()
 987            .position(|pane| pane == &self.active_pane)
 988            .unwrap();
 989        let next_ix = (ix + 1) % self.panes.len();
 990        self.activate_pane(self.panes[next_ix].clone(), cx);
 991    }
 992
 993    fn activate_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
 994        self.active_pane = pane;
 995        self.status_bar.update(cx, |status_bar, cx| {
 996            status_bar.set_active_pane(&self.active_pane, cx);
 997        });
 998        cx.focus(&self.active_pane);
 999        cx.notify();
1000    }
1001
1002    fn handle_pane_event(
1003        &mut self,
1004        pane_id: usize,
1005        event: &pane::Event,
1006        cx: &mut ViewContext<Self>,
1007    ) {
1008        if let Some(pane) = self.pane(pane_id) {
1009            match event {
1010                pane::Event::Split(direction) => {
1011                    self.split_pane(pane, *direction, cx);
1012                }
1013                pane::Event::Remove => {
1014                    self.remove_pane(pane, cx);
1015                }
1016                pane::Event::Activate => {
1017                    self.activate_pane(pane, cx);
1018                }
1019            }
1020        } else {
1021            error!("pane {} not found", pane_id);
1022        }
1023    }
1024
1025    pub fn split_pane(
1026        &mut self,
1027        pane: ViewHandle<Pane>,
1028        direction: SplitDirection,
1029        cx: &mut ViewContext<Self>,
1030    ) -> ViewHandle<Pane> {
1031        let new_pane = self.add_pane(cx);
1032        self.activate_pane(new_pane.clone(), cx);
1033        if let Some(item) = pane.read(cx).active_item() {
1034            if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1035                new_pane.update(cx, |new_pane, cx| new_pane.add_item_view(clone, cx));
1036            }
1037        }
1038        self.center
1039            .split(pane.id(), new_pane.id(), direction)
1040            .unwrap();
1041        cx.notify();
1042        new_pane
1043    }
1044
1045    fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1046        if self.center.remove(pane.id()).unwrap() {
1047            self.panes.retain(|p| p != &pane);
1048            self.activate_pane(self.panes.last().unwrap().clone(), cx);
1049        }
1050    }
1051
1052    pub fn panes(&self) -> &[ViewHandle<Pane>] {
1053        &self.panes
1054    }
1055
1056    fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1057        self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1058    }
1059
1060    pub fn active_pane(&self) -> &ViewHandle<Pane> {
1061        &self.active_pane
1062    }
1063
1064    fn toggle_share(&mut self, _: &ToggleShare, cx: &mut ViewContext<Self>) {
1065        self.project.update(cx, |project, cx| {
1066            if project.is_local() {
1067                if project.is_shared() {
1068                    project.unshare(cx).detach();
1069                } else {
1070                    project.share(cx).detach();
1071                }
1072            }
1073        });
1074    }
1075
1076    fn render_connection_status(&self) -> Option<ElementBox> {
1077        let theme = &self.settings.borrow().theme;
1078        match &*self.client.status().borrow() {
1079            client::Status::ConnectionError
1080            | client::Status::ConnectionLost
1081            | client::Status::Reauthenticating
1082            | client::Status::Reconnecting { .. }
1083            | client::Status::ReconnectionError { .. } => Some(
1084                Container::new(
1085                    Align::new(
1086                        ConstrainedBox::new(
1087                            Svg::new("icons/offline-14.svg")
1088                                .with_color(theme.workspace.titlebar.offline_icon.color)
1089                                .boxed(),
1090                        )
1091                        .with_width(theme.workspace.titlebar.offline_icon.width)
1092                        .boxed(),
1093                    )
1094                    .boxed(),
1095                )
1096                .with_style(theme.workspace.titlebar.offline_icon.container)
1097                .boxed(),
1098            ),
1099            client::Status::UpgradeRequired => Some(
1100                Label::new(
1101                    "Please update Zed to collaborate".to_string(),
1102                    theme.workspace.titlebar.outdated_warning.text.clone(),
1103                )
1104                .contained()
1105                .with_style(theme.workspace.titlebar.outdated_warning.container)
1106                .aligned()
1107                .boxed(),
1108            ),
1109            _ => None,
1110        }
1111    }
1112
1113    fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
1114        ConstrainedBox::new(
1115            Container::new(
1116                Stack::new()
1117                    .with_child(
1118                        Align::new(
1119                            Label::new("zed".into(), theme.workspace.titlebar.title.clone())
1120                                .boxed(),
1121                        )
1122                        .boxed(),
1123                    )
1124                    .with_child(
1125                        Align::new(
1126                            Flex::row()
1127                                .with_children(self.render_share_icon(theme, cx))
1128                                .with_children(self.render_collaborators(theme, cx))
1129                                .with_child(self.render_avatar(
1130                                    self.user_store.read(cx).current_user().as_ref(),
1131                                    self.project.read(cx).replica_id(),
1132                                    theme,
1133                                    cx,
1134                                ))
1135                                .with_children(self.render_connection_status())
1136                                .boxed(),
1137                        )
1138                        .right()
1139                        .boxed(),
1140                    )
1141                    .boxed(),
1142            )
1143            .with_style(theme.workspace.titlebar.container)
1144            .boxed(),
1145        )
1146        .with_height(theme.workspace.titlebar.height)
1147        .named("titlebar")
1148    }
1149
1150    fn render_collaborators(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Vec<ElementBox> {
1151        let mut collaborators = self
1152            .project
1153            .read(cx)
1154            .collaborators()
1155            .values()
1156            .cloned()
1157            .collect::<Vec<_>>();
1158        collaborators.sort_unstable_by_key(|collaborator| collaborator.replica_id);
1159        collaborators
1160            .into_iter()
1161            .map(|collaborator| {
1162                self.render_avatar(Some(&collaborator.user), collaborator.replica_id, theme, cx)
1163            })
1164            .collect()
1165    }
1166
1167    fn render_avatar(
1168        &self,
1169        user: Option<&Arc<User>>,
1170        replica_id: ReplicaId,
1171        theme: &Theme,
1172        cx: &mut RenderContext<Self>,
1173    ) -> ElementBox {
1174        if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
1175            ConstrainedBox::new(
1176                Stack::new()
1177                    .with_child(
1178                        ConstrainedBox::new(
1179                            Image::new(avatar)
1180                                .with_style(theme.workspace.titlebar.avatar)
1181                                .boxed(),
1182                        )
1183                        .with_width(theme.workspace.titlebar.avatar_width)
1184                        .aligned()
1185                        .boxed(),
1186                    )
1187                    .with_child(
1188                        AvatarRibbon::new(theme.editor.replica_selection_style(replica_id).cursor)
1189                            .constrained()
1190                            .with_width(theme.workspace.titlebar.avatar_ribbon.width)
1191                            .with_height(theme.workspace.titlebar.avatar_ribbon.height)
1192                            .aligned()
1193                            .bottom()
1194                            .boxed(),
1195                    )
1196                    .boxed(),
1197            )
1198            .with_width(theme.workspace.right_sidebar.width)
1199            .boxed()
1200        } else {
1201            MouseEventHandler::new::<Authenticate, _, _, _>(0, cx, |state, _| {
1202                let style = if state.hovered {
1203                    &theme.workspace.titlebar.hovered_sign_in_prompt
1204                } else {
1205                    &theme.workspace.titlebar.sign_in_prompt
1206                };
1207                Label::new("Sign in".to_string(), style.text.clone())
1208                    .contained()
1209                    .with_style(style.container)
1210                    .boxed()
1211            })
1212            .on_click(|cx| cx.dispatch_action(Authenticate))
1213            .with_cursor_style(CursorStyle::PointingHand)
1214            .aligned()
1215            .boxed()
1216        }
1217    }
1218
1219    fn render_share_icon(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
1220        if self.project().read(cx).is_local() && self.client.user_id().is_some() {
1221            enum Share {}
1222
1223            let color = if self.project().read(cx).is_shared() {
1224                theme.workspace.titlebar.share_icon_active_color
1225            } else {
1226                theme.workspace.titlebar.share_icon_color
1227            };
1228            Some(
1229                MouseEventHandler::new::<Share, _, _, _>(0, cx, |_, _| {
1230                    Align::new(
1231                        ConstrainedBox::new(
1232                            Svg::new("icons/broadcast-24.svg").with_color(color).boxed(),
1233                        )
1234                        .with_width(24.)
1235                        .boxed(),
1236                    )
1237                    .boxed()
1238                })
1239                .with_cursor_style(CursorStyle::PointingHand)
1240                .on_click(|cx| cx.dispatch_action(ToggleShare))
1241                .boxed(),
1242            )
1243        } else {
1244            None
1245        }
1246    }
1247}
1248
1249impl Entity for Workspace {
1250    type Event = ();
1251}
1252
1253impl View for Workspace {
1254    fn ui_name() -> &'static str {
1255        "Workspace"
1256    }
1257
1258    fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
1259        let settings = self.settings.borrow();
1260        let theme = &settings.theme;
1261        Flex::column()
1262            .with_child(self.render_titlebar(&theme, cx))
1263            .with_child(
1264                Stack::new()
1265                    .with_child({
1266                        let mut content = Flex::row();
1267                        content.add_child(self.left_sidebar.render(&settings, cx));
1268                        if let Some(element) = self.left_sidebar.render_active_item(&settings, cx) {
1269                            content.add_child(Flexible::new(0.8, false, element).boxed());
1270                        }
1271                        content.add_child(
1272                            Flex::column()
1273                                .with_child(
1274                                    Flexible::new(1., true, self.center.render(&settings.theme))
1275                                        .boxed(),
1276                                )
1277                                .with_child(ChildView::new(self.status_bar.id()).boxed())
1278                                .flexible(1., true)
1279                                .boxed(),
1280                        );
1281                        if let Some(element) = self.right_sidebar.render_active_item(&settings, cx)
1282                        {
1283                            content.add_child(Flexible::new(0.8, false, element).boxed());
1284                        }
1285                        content.add_child(self.right_sidebar.render(&settings, cx));
1286                        content.boxed()
1287                    })
1288                    .with_children(self.modal.as_ref().map(|m| ChildView::new(m.id()).boxed()))
1289                    .flexible(1.0, true)
1290                    .boxed(),
1291            )
1292            .contained()
1293            .with_background_color(settings.theme.workspace.background)
1294            .named("workspace")
1295    }
1296
1297    fn on_focus(&mut self, cx: &mut ViewContext<Self>) {
1298        cx.focus(&self.active_pane);
1299    }
1300}
1301
1302pub trait WorkspaceHandle {
1303    fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
1304}
1305
1306impl WorkspaceHandle for ViewHandle<Workspace> {
1307    fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
1308        self.read(cx)
1309            .worktrees(cx)
1310            .iter()
1311            .flat_map(|worktree| {
1312                let worktree_id = worktree.read(cx).id();
1313                worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
1314                    worktree_id,
1315                    path: f.path.clone(),
1316                })
1317            })
1318            .collect::<Vec<_>>()
1319    }
1320}
1321
1322pub struct AvatarRibbon {
1323    color: Color,
1324}
1325
1326impl AvatarRibbon {
1327    pub fn new(color: Color) -> AvatarRibbon {
1328        AvatarRibbon { color }
1329    }
1330}
1331
1332impl Element for AvatarRibbon {
1333    type LayoutState = ();
1334
1335    type PaintState = ();
1336
1337    fn layout(
1338        &mut self,
1339        constraint: gpui::SizeConstraint,
1340        _: &mut gpui::LayoutContext,
1341    ) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
1342        (constraint.max, ())
1343    }
1344
1345    fn paint(
1346        &mut self,
1347        bounds: gpui::geometry::rect::RectF,
1348        _: gpui::geometry::rect::RectF,
1349        _: &mut Self::LayoutState,
1350        cx: &mut gpui::PaintContext,
1351    ) -> Self::PaintState {
1352        let mut path = PathBuilder::new();
1353        path.reset(bounds.lower_left());
1354        path.curve_to(
1355            bounds.origin() + vec2f(bounds.height(), 0.),
1356            bounds.origin(),
1357        );
1358        path.line_to(bounds.upper_right() - vec2f(bounds.height(), 0.));
1359        path.curve_to(bounds.lower_right(), bounds.upper_right());
1360        path.line_to(bounds.lower_left());
1361        cx.scene.push_path(path.build(self.color, None));
1362    }
1363
1364    fn dispatch_event(
1365        &mut self,
1366        _: &gpui::Event,
1367        _: gpui::geometry::rect::RectF,
1368        _: &mut Self::LayoutState,
1369        _: &mut Self::PaintState,
1370        _: &mut gpui::EventContext,
1371    ) -> bool {
1372        false
1373    }
1374
1375    fn debug(
1376        &self,
1377        bounds: gpui::geometry::rect::RectF,
1378        _: &Self::LayoutState,
1379        _: &Self::PaintState,
1380        _: &gpui::DebugContext,
1381    ) -> gpui::json::Value {
1382        json::json!({
1383            "type": "AvatarRibbon",
1384            "bounds": bounds.to_json(),
1385            "color": self.color.to_json(),
1386        })
1387    }
1388}
1389
1390impl std::fmt::Debug for OpenParams {
1391    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1392        f.debug_struct("OpenParams")
1393            .field("paths", &self.paths)
1394            .finish()
1395    }
1396}
1397
1398fn open(action: &Open, cx: &mut MutableAppContext) {
1399    let app_state = action.0.clone();
1400    cx.prompt_for_paths(
1401        PathPromptOptions {
1402            files: true,
1403            directories: true,
1404            multiple: true,
1405        },
1406        move |paths, cx| {
1407            if let Some(paths) = paths {
1408                cx.dispatch_global_action(OpenPaths(OpenParams { paths, app_state }));
1409            }
1410        },
1411    );
1412}
1413
1414pub fn open_paths(
1415    abs_paths: &[PathBuf],
1416    app_state: &Arc<AppState>,
1417    cx: &mut MutableAppContext,
1418) -> Task<ViewHandle<Workspace>> {
1419    log::info!("open paths {:?}", abs_paths);
1420
1421    // Open paths in existing workspace if possible
1422    let mut existing = None;
1423    for window_id in cx.window_ids().collect::<Vec<_>>() {
1424        if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
1425            if workspace.update(cx, |view, cx| {
1426                if view.contains_paths(abs_paths, cx.as_ref()) {
1427                    existing = Some(workspace.clone());
1428                    true
1429                } else {
1430                    false
1431                }
1432            }) {
1433                break;
1434            }
1435        }
1436    }
1437
1438    let workspace = existing.unwrap_or_else(|| {
1439        cx.add_window((app_state.build_window_options)(), |cx| {
1440            let project = Project::local(
1441                app_state.client.clone(),
1442                app_state.user_store.clone(),
1443                app_state.languages.clone(),
1444                app_state.fs.clone(),
1445                cx,
1446            );
1447            (app_state.build_workspace)(project, &app_state, cx)
1448        })
1449        .1
1450    });
1451
1452    let task = workspace.update(cx, |workspace, cx| workspace.open_paths(abs_paths, cx));
1453    cx.spawn(|_| async move {
1454        task.await;
1455        workspace
1456    })
1457}
1458
1459pub fn join_project(
1460    project_id: u64,
1461    app_state: &Arc<AppState>,
1462    cx: &mut MutableAppContext,
1463) -> Task<Result<ViewHandle<Workspace>>> {
1464    for window_id in cx.window_ids().collect::<Vec<_>>() {
1465        if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
1466            if workspace.read(cx).project().read(cx).remote_id() == Some(project_id) {
1467                return Task::ready(Ok(workspace));
1468            }
1469        }
1470    }
1471
1472    let app_state = app_state.clone();
1473    cx.spawn(|mut cx| async move {
1474        let project = Project::remote(
1475            project_id,
1476            app_state.client.clone(),
1477            app_state.user_store.clone(),
1478            app_state.languages.clone(),
1479            app_state.fs.clone(),
1480            &mut cx,
1481        )
1482        .await?;
1483        let (_, workspace) = cx.update(|cx| {
1484            cx.add_window((app_state.build_window_options)(), |cx| {
1485                (app_state.build_workspace)(project, &app_state, cx)
1486            })
1487        });
1488        Ok(workspace)
1489    })
1490}
1491
1492fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
1493    let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
1494        let project = Project::local(
1495            app_state.client.clone(),
1496            app_state.user_store.clone(),
1497            app_state.languages.clone(),
1498            app_state.fs.clone(),
1499            cx,
1500        );
1501        (app_state.build_workspace)(project, &app_state, cx)
1502    });
1503    cx.dispatch_action(window_id, vec![workspace.id()], &OpenNew(app_state.clone()));
1504}