1use std::path::PathBuf;
   2use std::sync::Arc;
   3
   4use editor::Editor;
   5use file_finder::OpenPathDelegate;
   6use futures::channel::oneshot;
   7use futures::future::Shared;
   8use futures::FutureExt;
   9use gpui::canvas;
  10use gpui::ClipboardItem;
  11use gpui::Task;
  12use gpui::WeakView;
  13use gpui::{
  14    AnyElement, AppContext, DismissEvent, EventEmitter, FocusHandle, FocusableView, Model,
  15    PromptLevel, ScrollHandle, View, ViewContext,
  16};
  17use picker::Picker;
  18use project::Project;
  19use remote::SshConnectionOptions;
  20use remote::SshRemoteClient;
  21use settings::update_settings_file;
  22use settings::Settings;
  23use ui::{
  24    prelude::*, IconButtonShape, List, ListItem, ListSeparator, Modal, ModalHeader, Scrollbar,
  25    ScrollbarState, Section, Tooltip,
  26};
  27use util::ResultExt;
  28use workspace::notifications::NotificationId;
  29use workspace::OpenOptions;
  30use workspace::Toast;
  31use workspace::{notifications::DetachAndPromptErr, ModalView, Workspace};
  32
  33use crate::ssh_connections::connect_over_ssh;
  34use crate::ssh_connections::open_ssh_project;
  35use crate::ssh_connections::RemoteSettingsContent;
  36use crate::ssh_connections::SshConnection;
  37use crate::ssh_connections::SshConnectionHeader;
  38use crate::ssh_connections::SshConnectionModal;
  39use crate::ssh_connections::SshProject;
  40use crate::ssh_connections::SshPrompt;
  41use crate::ssh_connections::SshSettings;
  42use crate::OpenRemote;
  43
  44pub struct RemoteServerProjects {
  45    mode: Mode,
  46    focus_handle: FocusHandle,
  47    scroll_handle: ScrollHandle,
  48    workspace: WeakView<Workspace>,
  49    selectable_items: SelectableItemList,
  50    retained_connections: Vec<Model<SshRemoteClient>>,
  51}
  52
  53struct CreateRemoteServer {
  54    address_editor: View<Editor>,
  55    address_error: Option<SharedString>,
  56    ssh_prompt: Option<View<SshPrompt>>,
  57    _creating: Option<Task<Option<()>>>,
  58}
  59
  60impl CreateRemoteServer {
  61    fn new(cx: &mut WindowContext<'_>) -> Self {
  62        let address_editor = cx.new_view(Editor::single_line);
  63        address_editor.update(cx, |this, cx| {
  64            this.focus_handle(cx).focus(cx);
  65        });
  66        Self {
  67            address_editor,
  68            address_error: None,
  69            ssh_prompt: None,
  70            _creating: None,
  71        }
  72    }
  73}
  74
  75struct ProjectPicker {
  76    connection_string: SharedString,
  77    nickname: Option<SharedString>,
  78    picker: View<Picker<OpenPathDelegate>>,
  79    _path_task: Shared<Task<Option<()>>>,
  80}
  81
  82type SelectedItemCallback =
  83    Box<dyn Fn(&mut RemoteServerProjects, &mut ViewContext<RemoteServerProjects>) + 'static>;
  84
  85/// Used to implement keyboard navigation for SSH modal.
  86#[derive(Default)]
  87struct SelectableItemList {
  88    items: Vec<SelectedItemCallback>,
  89    active_item: Option<usize>,
  90}
  91
  92struct EditNicknameState {
  93    index: usize,
  94    editor: View<Editor>,
  95}
  96
  97impl EditNicknameState {
  98    fn new(index: usize, cx: &mut WindowContext<'_>) -> Self {
  99        let this = Self {
 100            index,
 101            editor: cx.new_view(Editor::single_line),
 102        };
 103        let starting_text = SshSettings::get_global(cx)
 104            .ssh_connections()
 105            .nth(index)
 106            .and_then(|state| state.nickname.clone())
 107            .filter(|text| !text.is_empty());
 108        this.editor.update(cx, |this, cx| {
 109            this.set_placeholder_text("Add a nickname for this server", cx);
 110            if let Some(starting_text) = starting_text {
 111                this.set_text(starting_text, cx);
 112            }
 113        });
 114        this.editor.focus_handle(cx).focus(cx);
 115        this
 116    }
 117}
 118
 119impl SelectableItemList {
 120    fn reset(&mut self) {
 121        self.items.clear();
 122    }
 123
 124    fn reset_selection(&mut self) {
 125        self.active_item.take();
 126    }
 127
 128    fn prev(&mut self, _: &mut WindowContext<'_>) {
 129        match self.active_item.as_mut() {
 130            Some(active_index) => {
 131                *active_index = active_index.checked_sub(1).unwrap_or(self.items.len() - 1)
 132            }
 133            None => {
 134                self.active_item = Some(self.items.len() - 1);
 135            }
 136        }
 137    }
 138
 139    fn next(&mut self, _: &mut WindowContext<'_>) {
 140        match self.active_item.as_mut() {
 141            Some(active_index) => {
 142                if *active_index + 1 < self.items.len() {
 143                    *active_index += 1;
 144                } else {
 145                    *active_index = 0;
 146                }
 147            }
 148            None => {
 149                self.active_item = Some(0);
 150            }
 151        }
 152    }
 153
 154    fn add_item(&mut self, callback: SelectedItemCallback) {
 155        self.items.push(callback)
 156    }
 157
 158    fn is_selected(&self) -> bool {
 159        self.active_item == self.items.len().checked_sub(1)
 160    }
 161
 162    fn confirm(
 163        &self,
 164        remote_modal: &mut RemoteServerProjects,
 165        cx: &mut ViewContext<RemoteServerProjects>,
 166    ) {
 167        if let Some(active_item) = self.active_item.and_then(|ix| self.items.get(ix)) {
 168            active_item(remote_modal, cx);
 169        }
 170    }
 171}
 172
 173impl FocusableView for ProjectPicker {
 174    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
 175        self.picker.focus_handle(cx)
 176    }
 177}
 178
 179impl ProjectPicker {
 180    fn new(
 181        ix: usize,
 182        connection: SshConnectionOptions,
 183        project: Model<Project>,
 184        workspace: WeakView<Workspace>,
 185        cx: &mut ViewContext<RemoteServerProjects>,
 186    ) -> View<Self> {
 187        let (tx, rx) = oneshot::channel();
 188        let lister = project::DirectoryLister::Project(project.clone());
 189        let query = lister.default_query(cx);
 190        let delegate = file_finder::OpenPathDelegate::new(tx, lister);
 191
 192        let picker = cx.new_view(|cx| {
 193            let picker = Picker::uniform_list(delegate, cx)
 194                .width(rems(34.))
 195                .modal(false);
 196            picker.set_query(query, cx);
 197            picker
 198        });
 199        let connection_string = connection.connection_string().into();
 200        let nickname = connection.nickname.clone().map(|nick| nick.into());
 201        let _path_task = cx
 202            .spawn({
 203                let workspace = workspace.clone();
 204                move |this, mut cx| async move {
 205                    let Ok(Some(paths)) = rx.await else {
 206                        workspace
 207                            .update(&mut cx, |workspace, cx| {
 208                                let weak = cx.view().downgrade();
 209                                workspace
 210                                    .toggle_modal(cx, |cx| RemoteServerProjects::new(cx, weak));
 211                            })
 212                            .log_err()?;
 213                        return None;
 214                    };
 215
 216                    let app_state = workspace
 217                        .update(&mut cx, |workspace, _| workspace.app_state().clone())
 218                        .ok()?;
 219                    let options = cx
 220                        .update(|cx| (app_state.build_window_options)(None, cx))
 221                        .log_err()?;
 222
 223                    cx.open_window(options, |cx| {
 224                        cx.activate_window();
 225
 226                        let fs = app_state.fs.clone();
 227                        update_settings_file::<SshSettings>(fs, cx, {
 228                            let paths = paths
 229                                .iter()
 230                                .map(|path| path.to_string_lossy().to_string())
 231                                .collect();
 232                            move |setting, _| {
 233                                if let Some(server) = setting
 234                                    .ssh_connections
 235                                    .as_mut()
 236                                    .and_then(|connections| connections.get_mut(ix))
 237                                {
 238                                    server.projects.push(SshProject { paths })
 239                                }
 240                            }
 241                        });
 242
 243                        let tasks = paths
 244                            .into_iter()
 245                            .map(|path| {
 246                                project.update(cx, |project, cx| {
 247                                    project.find_or_create_worktree(&path, true, cx)
 248                                })
 249                            })
 250                            .collect::<Vec<_>>();
 251                        cx.spawn(|_| async move {
 252                            for task in tasks {
 253                                task.await?;
 254                            }
 255                            Ok(())
 256                        })
 257                        .detach_and_prompt_err(
 258                            "Failed to open path",
 259                            cx,
 260                            |_, _| None,
 261                        );
 262
 263                        cx.new_view(|cx| {
 264                            let workspace =
 265                                Workspace::new(None, project.clone(), app_state.clone(), cx);
 266
 267                            workspace
 268                                .client()
 269                                .telemetry()
 270                                .report_app_event("create ssh project".to_string());
 271
 272                            workspace
 273                        })
 274                    })
 275                    .log_err();
 276                    this.update(&mut cx, |_, cx| {
 277                        cx.emit(DismissEvent);
 278                    })
 279                    .ok();
 280                    Some(())
 281                }
 282            })
 283            .shared();
 284        cx.new_view(|_| Self {
 285            _path_task,
 286            picker,
 287            connection_string,
 288            nickname,
 289        })
 290    }
 291}
 292
 293impl gpui::Render for ProjectPicker {
 294    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 295        v_flex()
 296            .child(
 297                SshConnectionHeader {
 298                    connection_string: self.connection_string.clone(),
 299                    paths: Default::default(),
 300                    nickname: self.nickname.clone(),
 301                }
 302                .render(cx),
 303            )
 304            .child(
 305                div()
 306                    .border_t_1()
 307                    .border_color(cx.theme().colors().border_variant)
 308                    .child(self.picker.clone()),
 309            )
 310    }
 311}
 312enum Mode {
 313    Default(ScrollbarState),
 314    ViewServerOptions(usize, SshConnection),
 315    EditNickname(EditNicknameState),
 316    ProjectPicker(View<ProjectPicker>),
 317    CreateRemoteServer(CreateRemoteServer),
 318}
 319
 320impl Mode {
 321    fn default_mode() -> Self {
 322        let handle = ScrollHandle::new();
 323        Self::Default(ScrollbarState::new(handle))
 324    }
 325}
 326impl RemoteServerProjects {
 327    pub fn register(workspace: &mut Workspace, _: &mut ViewContext<Workspace>) {
 328        workspace.register_action(|workspace, _: &OpenRemote, cx| {
 329            let handle = cx.view().downgrade();
 330            workspace.toggle_modal(cx, |cx| Self::new(cx, handle))
 331        });
 332    }
 333
 334    pub fn open(workspace: View<Workspace>, cx: &mut WindowContext) {
 335        workspace.update(cx, |workspace, cx| {
 336            let handle = cx.view().downgrade();
 337            workspace.toggle_modal(cx, |cx| Self::new(cx, handle))
 338        })
 339    }
 340
 341    pub fn new(cx: &mut ViewContext<Self>, workspace: WeakView<Workspace>) -> Self {
 342        let focus_handle = cx.focus_handle();
 343
 344        let mut base_style = cx.text_style();
 345        base_style.refine(&gpui::TextStyleRefinement {
 346            color: Some(cx.theme().colors().editor_foreground),
 347            ..Default::default()
 348        });
 349
 350        Self {
 351            mode: Mode::default_mode(),
 352            focus_handle,
 353            scroll_handle: ScrollHandle::new(),
 354            workspace,
 355            selectable_items: Default::default(),
 356            retained_connections: Vec::new(),
 357        }
 358    }
 359
 360    fn next_item(&mut self, _: &menu::SelectNext, cx: &mut ViewContext<Self>) {
 361        if !matches!(self.mode, Mode::Default(_) | Mode::ViewServerOptions(_, _)) {
 362            return;
 363        }
 364
 365        self.selectable_items.next(cx);
 366    }
 367
 368    fn prev_item(&mut self, _: &menu::SelectPrev, cx: &mut ViewContext<Self>) {
 369        if !matches!(self.mode, Mode::Default(_) | Mode::ViewServerOptions(_, _)) {
 370            return;
 371        }
 372        self.selectable_items.prev(cx);
 373    }
 374
 375    pub fn project_picker(
 376        ix: usize,
 377        connection_options: remote::SshConnectionOptions,
 378        project: Model<Project>,
 379        cx: &mut ViewContext<Self>,
 380        workspace: WeakView<Workspace>,
 381    ) -> Self {
 382        let mut this = Self::new(cx, workspace.clone());
 383        this.mode = Mode::ProjectPicker(ProjectPicker::new(
 384            ix,
 385            connection_options,
 386            project,
 387            workspace,
 388            cx,
 389        ));
 390        cx.notify();
 391
 392        this
 393    }
 394
 395    fn create_ssh_server(&mut self, editor: View<Editor>, cx: &mut ViewContext<Self>) {
 396        let input = get_text(&editor, cx);
 397        if input.is_empty() {
 398            return;
 399        }
 400
 401        let connection_options = match SshConnectionOptions::parse_command_line(&input) {
 402            Ok(c) => c,
 403            Err(e) => {
 404                self.mode = Mode::CreateRemoteServer(CreateRemoteServer {
 405                    address_editor: editor,
 406                    address_error: Some(format!("could not parse: {:?}", e).into()),
 407                    ssh_prompt: None,
 408                    _creating: None,
 409                });
 410                return;
 411            }
 412        };
 413        let ssh_prompt = cx.new_view(|cx| SshPrompt::new(&connection_options, cx));
 414
 415        let connection = connect_over_ssh(
 416            connection_options.remote_server_identifier(),
 417            connection_options.clone(),
 418            ssh_prompt.clone(),
 419            cx,
 420        )
 421        .prompt_err("Failed to connect", cx, |_, _| None);
 422
 423        let address_editor = editor.clone();
 424        let creating = cx.spawn(move |this, mut cx| async move {
 425            match connection.await {
 426                Some(Some(client)) => this
 427                    .update(&mut cx, |this, cx| {
 428                        let _ = this.workspace.update(cx, |workspace, _| {
 429                            workspace
 430                                .client()
 431                                .telemetry()
 432                                .report_app_event("create ssh server".to_string())
 433                        });
 434                        this.retained_connections.push(client);
 435                        this.add_ssh_server(connection_options, cx);
 436                        this.mode = Mode::default_mode();
 437                        this.selectable_items.reset_selection();
 438                        cx.notify()
 439                    })
 440                    .log_err(),
 441                _ => this
 442                    .update(&mut cx, |this, cx| {
 443                        address_editor.update(cx, |this, _| {
 444                            this.set_read_only(false);
 445                        });
 446                        this.mode = Mode::CreateRemoteServer(CreateRemoteServer {
 447                            address_editor,
 448                            address_error: None,
 449                            ssh_prompt: None,
 450                            _creating: None,
 451                        });
 452                        cx.notify()
 453                    })
 454                    .log_err(),
 455            };
 456            None
 457        });
 458
 459        editor.update(cx, |this, _| {
 460            this.set_read_only(true);
 461        });
 462        self.mode = Mode::CreateRemoteServer(CreateRemoteServer {
 463            address_editor: editor,
 464            address_error: None,
 465            ssh_prompt: Some(ssh_prompt.clone()),
 466            _creating: Some(creating),
 467        });
 468    }
 469
 470    fn view_server_options(
 471        &mut self,
 472        (index, connection): (usize, SshConnection),
 473        cx: &mut ViewContext<Self>,
 474    ) {
 475        self.selectable_items.reset_selection();
 476        self.mode = Mode::ViewServerOptions(index, connection);
 477        cx.notify();
 478    }
 479
 480    fn create_ssh_project(
 481        &mut self,
 482        ix: usize,
 483        ssh_connection: SshConnection,
 484        cx: &mut ViewContext<Self>,
 485    ) {
 486        let Some(workspace) = self.workspace.upgrade() else {
 487            return;
 488        };
 489
 490        let connection_options = ssh_connection.into();
 491        workspace.update(cx, |_, cx| {
 492            cx.defer(move |workspace, cx| {
 493                workspace.toggle_modal(cx, |cx| {
 494                    SshConnectionModal::new(&connection_options, Vec::new(), cx)
 495                });
 496                let prompt = workspace
 497                    .active_modal::<SshConnectionModal>(cx)
 498                    .unwrap()
 499                    .read(cx)
 500                    .prompt
 501                    .clone();
 502
 503                let connect = connect_over_ssh(
 504                    connection_options.remote_server_identifier(),
 505                    connection_options.clone(),
 506                    prompt,
 507                    cx,
 508                )
 509                .prompt_err("Failed to connect", cx, |_, _| None);
 510
 511                cx.spawn(move |workspace, mut cx| async move {
 512                    let session = connect.await;
 513
 514                    workspace
 515                        .update(&mut cx, |workspace, cx| {
 516                            if let Some(prompt) = workspace.active_modal::<SshConnectionModal>(cx) {
 517                                prompt.update(cx, |prompt, cx| prompt.finished(cx))
 518                            }
 519                        })
 520                        .ok();
 521
 522                    let Some(Some(session)) = session else {
 523                        workspace
 524                            .update(&mut cx, |workspace, cx| {
 525                                let weak = cx.view().downgrade();
 526                                workspace
 527                                    .toggle_modal(cx, |cx| RemoteServerProjects::new(cx, weak));
 528                            })
 529                            .log_err();
 530                        return;
 531                    };
 532
 533                    workspace
 534                        .update(&mut cx, |workspace, cx| {
 535                            let app_state = workspace.app_state().clone();
 536                            let weak = cx.view().downgrade();
 537                            let project = project::Project::ssh(
 538                                session,
 539                                app_state.client.clone(),
 540                                app_state.node_runtime.clone(),
 541                                app_state.user_store.clone(),
 542                                app_state.languages.clone(),
 543                                app_state.fs.clone(),
 544                                cx,
 545                            );
 546                            workspace.toggle_modal(cx, |cx| {
 547                                RemoteServerProjects::project_picker(
 548                                    ix,
 549                                    connection_options,
 550                                    project,
 551                                    cx,
 552                                    weak,
 553                                )
 554                            });
 555                        })
 556                        .ok();
 557                })
 558                .detach()
 559            })
 560        })
 561    }
 562
 563    fn confirm(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
 564        match &self.mode {
 565            Mode::Default(_) | Mode::ViewServerOptions(_, _) => {
 566                let items = std::mem::take(&mut self.selectable_items);
 567                items.confirm(self, cx);
 568                self.selectable_items = items;
 569            }
 570            Mode::ProjectPicker(_) => {}
 571            Mode::CreateRemoteServer(state) => {
 572                if let Some(prompt) = state.ssh_prompt.as_ref() {
 573                    prompt.update(cx, |prompt, cx| {
 574                        prompt.confirm(cx);
 575                    });
 576                    return;
 577                }
 578
 579                self.create_ssh_server(state.address_editor.clone(), cx);
 580            }
 581            Mode::EditNickname(state) => {
 582                let text = Some(state.editor.read(cx).text(cx)).filter(|text| !text.is_empty());
 583                let index = state.index;
 584                self.update_settings_file(cx, move |setting, _| {
 585                    if let Some(connections) = setting.ssh_connections.as_mut() {
 586                        if let Some(connection) = connections.get_mut(index) {
 587                            connection.nickname = text;
 588                        }
 589                    }
 590                });
 591                self.mode = Mode::default_mode();
 592                self.selectable_items.reset_selection();
 593                self.focus_handle.focus(cx);
 594            }
 595        }
 596    }
 597
 598    fn cancel(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
 599        match &self.mode {
 600            Mode::Default(_) => cx.emit(DismissEvent),
 601            Mode::CreateRemoteServer(state) if state.ssh_prompt.is_some() => {
 602                let new_state = CreateRemoteServer::new(cx);
 603                let old_prompt = state.address_editor.read(cx).text(cx);
 604                new_state.address_editor.update(cx, |this, cx| {
 605                    this.set_text(old_prompt, cx);
 606                });
 607
 608                self.mode = Mode::CreateRemoteServer(new_state);
 609                self.selectable_items.reset_selection();
 610                cx.notify();
 611            }
 612            _ => {
 613                self.mode = Mode::default_mode();
 614                self.selectable_items.reset_selection();
 615                self.focus_handle(cx).focus(cx);
 616                cx.notify();
 617            }
 618        }
 619    }
 620
 621    fn render_ssh_connection(
 622        &mut self,
 623        ix: usize,
 624        ssh_connection: SshConnection,
 625        cx: &mut ViewContext<Self>,
 626    ) -> impl IntoElement {
 627        let (main_label, aux_label) = if let Some(nickname) = ssh_connection.nickname.clone() {
 628            let aux_label = SharedString::from(format!("({})", ssh_connection.host));
 629            (nickname.into(), Some(aux_label))
 630        } else {
 631            (ssh_connection.host.clone(), None)
 632        };
 633        v_flex()
 634            .w_full()
 635            .child(ListSeparator)
 636            .child(
 637                h_flex()
 638                    .group("ssh-server")
 639                    .w_full()
 640                    .pt_0p5()
 641                    .px_3()
 642                    .gap_1()
 643                    .overflow_hidden()
 644                    .child(
 645                        div().max_w_96().overflow_hidden().text_ellipsis().child(
 646                            Label::new(main_label)
 647                                .size(LabelSize::Small)
 648                                .color(Color::Muted),
 649                        ),
 650                    )
 651                    .children(
 652                        aux_label.map(|label| {
 653                            Label::new(label).size(LabelSize::Small).color(Color::Muted)
 654                        }),
 655                    ),
 656            )
 657            .child(
 658                List::new()
 659                    .empty_message("No projects.")
 660                    .children(ssh_connection.projects.iter().enumerate().map(|(pix, p)| {
 661                        v_flex().gap_0p5().child(self.render_ssh_project(
 662                            ix,
 663                            &ssh_connection,
 664                            pix,
 665                            p,
 666                            cx,
 667                        ))
 668                    }))
 669                    .child(h_flex().map(|this| {
 670                        self.selectable_items.add_item(Box::new({
 671                            let ssh_connection = ssh_connection.clone();
 672                            move |this, cx| {
 673                                this.create_ssh_project(ix, ssh_connection.clone(), cx);
 674                            }
 675                        }));
 676                        let is_selected = self.selectable_items.is_selected();
 677                        this.child(
 678                            ListItem::new(("new-remote-project", ix))
 679                                .selected(is_selected)
 680                                .inset(true)
 681                                .spacing(ui::ListItemSpacing::Sparse)
 682                                .start_slot(Icon::new(IconName::Plus).color(Color::Muted))
 683                                .child(Label::new("Open Folder"))
 684                                .on_click(cx.listener({
 685                                    let ssh_connection = ssh_connection.clone();
 686                                    move |this, _, cx| {
 687                                        this.create_ssh_project(ix, ssh_connection.clone(), cx);
 688                                    }
 689                                })),
 690                        )
 691                    }))
 692                    .child(h_flex().map(|this| {
 693                        self.selectable_items.add_item(Box::new({
 694                            let ssh_connection = ssh_connection.clone();
 695                            move |this, cx| {
 696                                this.view_server_options((ix, ssh_connection.clone()), cx);
 697                            }
 698                        }));
 699                        let is_selected = self.selectable_items.is_selected();
 700                        this.child(
 701                            ListItem::new(("server-options", ix))
 702                                .selected(is_selected)
 703                                .inset(true)
 704                                .spacing(ui::ListItemSpacing::Sparse)
 705                                .start_slot(Icon::new(IconName::Settings).color(Color::Muted))
 706                                .child(Label::new("View Server Options"))
 707                                .on_click(cx.listener({
 708                                    let ssh_connection = ssh_connection.clone();
 709                                    move |this, _, cx| {
 710                                        this.view_server_options((ix, ssh_connection.clone()), cx);
 711                                    }
 712                                })),
 713                        )
 714                    })),
 715            )
 716    }
 717
 718    fn render_ssh_project(
 719        &mut self,
 720        server_ix: usize,
 721        server: &SshConnection,
 722        ix: usize,
 723        project: &SshProject,
 724        cx: &ViewContext<Self>,
 725    ) -> impl IntoElement {
 726        let server = server.clone();
 727
 728        let element_id_base = SharedString::from(format!("remote-project-{server_ix}"));
 729        let callback = Arc::new({
 730            let project = project.clone();
 731            move |this: &mut Self, cx: &mut ViewContext<Self>| {
 732                let Some(app_state) = this
 733                    .workspace
 734                    .update(cx, |workspace, _| workspace.app_state().clone())
 735                    .log_err()
 736                else {
 737                    return;
 738                };
 739                let project = project.clone();
 740                let server = server.clone();
 741                cx.emit(DismissEvent);
 742                cx.spawn(|_, mut cx| async move {
 743                    let result = open_ssh_project(
 744                        server.into(),
 745                        project.paths.into_iter().map(PathBuf::from).collect(),
 746                        app_state,
 747                        OpenOptions::default(),
 748                        &mut cx,
 749                    )
 750                    .await;
 751                    if let Err(e) = result {
 752                        log::error!("Failed to connect: {:?}", e);
 753                        cx.prompt(
 754                            gpui::PromptLevel::Critical,
 755                            "Failed to connect",
 756                            Some(&e.to_string()),
 757                            &["Ok"],
 758                        )
 759                        .await
 760                        .ok();
 761                    }
 762                })
 763                .detach();
 764            }
 765        });
 766        self.selectable_items.add_item(Box::new({
 767            let callback = callback.clone();
 768            move |this, cx| callback(this, cx)
 769        }));
 770        let is_selected = self.selectable_items.is_selected();
 771
 772        ListItem::new((element_id_base, ix))
 773            .inset(true)
 774            .selected(is_selected)
 775            .spacing(ui::ListItemSpacing::Sparse)
 776            .start_slot(
 777                Icon::new(IconName::Folder)
 778                    .color(Color::Muted)
 779                    .size(IconSize::Small),
 780            )
 781            .child(Label::new(project.paths.join(", ")))
 782            .on_click(cx.listener(move |this, _, cx| callback(this, cx)))
 783            .end_hover_slot::<AnyElement>(Some(
 784                div()
 785                    .mr_2()
 786                    .child(
 787                        // Right-margin to offset it from the Scrollbar
 788                        IconButton::new("remove-remote-project", IconName::TrashAlt)
 789                            .icon_size(IconSize::Small)
 790                            .shape(IconButtonShape::Square)
 791                            .size(ButtonSize::Large)
 792                            .tooltip(|cx| Tooltip::text("Delete Remote Project", cx))
 793                            .on_click(cx.listener(move |this, _, cx| {
 794                                this.delete_ssh_project(server_ix, ix, cx)
 795                            })),
 796                    )
 797                    .into_any_element(),
 798            ))
 799    }
 800
 801    fn update_settings_file(
 802        &mut self,
 803        cx: &mut ViewContext<Self>,
 804        f: impl FnOnce(&mut RemoteSettingsContent, &AppContext) + Send + Sync + 'static,
 805    ) {
 806        let Some(fs) = self
 807            .workspace
 808            .update(cx, |workspace, _| workspace.app_state().fs.clone())
 809            .log_err()
 810        else {
 811            return;
 812        };
 813        update_settings_file::<SshSettings>(fs, cx, move |setting, cx| f(setting, cx));
 814    }
 815
 816    fn delete_ssh_server(&mut self, server: usize, cx: &mut ViewContext<Self>) {
 817        self.update_settings_file(cx, move |setting, _| {
 818            if let Some(connections) = setting.ssh_connections.as_mut() {
 819                connections.remove(server);
 820            }
 821        });
 822    }
 823
 824    fn delete_ssh_project(&mut self, server: usize, project: usize, cx: &mut ViewContext<Self>) {
 825        self.update_settings_file(cx, move |setting, _| {
 826            if let Some(server) = setting
 827                .ssh_connections
 828                .as_mut()
 829                .and_then(|connections| connections.get_mut(server))
 830            {
 831                server.projects.remove(project);
 832            }
 833        });
 834    }
 835
 836    fn add_ssh_server(
 837        &mut self,
 838        connection_options: remote::SshConnectionOptions,
 839        cx: &mut ViewContext<Self>,
 840    ) {
 841        self.update_settings_file(cx, move |setting, _| {
 842            setting
 843                .ssh_connections
 844                .get_or_insert(Default::default())
 845                .push(SshConnection {
 846                    host: SharedString::from(connection_options.host),
 847                    username: connection_options.username,
 848                    port: connection_options.port,
 849                    projects: vec![],
 850                    nickname: None,
 851                    args: connection_options.args.unwrap_or_default(),
 852                    upload_binary_over_ssh: None,
 853                })
 854        });
 855    }
 856
 857    fn render_create_remote_server(
 858        &self,
 859        state: &CreateRemoteServer,
 860        cx: &mut ViewContext<Self>,
 861    ) -> impl IntoElement {
 862        let ssh_prompt = state.ssh_prompt.clone();
 863
 864        state.address_editor.update(cx, |editor, cx| {
 865            if editor.text(cx).is_empty() {
 866                editor.set_placeholder_text("ssh user@example -p 2222", cx);
 867            }
 868        });
 869
 870        let theme = cx.theme();
 871
 872        v_flex()
 873            .id("create-remote-server")
 874            .overflow_hidden()
 875            .size_full()
 876            .flex_1()
 877            .child(
 878                div()
 879                    .p_2()
 880                    .border_b_1()
 881                    .border_color(theme.colors().border_variant)
 882                    .child(state.address_editor.clone()),
 883            )
 884            .child(
 885                h_flex()
 886                    .bg(theme.colors().editor_background)
 887                    .rounded_b_md()
 888                    .w_full()
 889                    .map(|this| {
 890                        if let Some(ssh_prompt) = ssh_prompt {
 891                            this.child(h_flex().w_full().child(ssh_prompt))
 892                        } else if let Some(address_error) = &state.address_error {
 893                            this.child(
 894                                h_flex().p_2().w_full().gap_2().child(
 895                                    Label::new(address_error.clone())
 896                                        .size(LabelSize::Small)
 897                                        .color(Color::Error),
 898                                ),
 899                            )
 900                        } else {
 901                            this.child(
 902                                h_flex()
 903                                    .p_2()
 904                                    .w_full()
 905                                    .gap_1()
 906                                    .child(
 907                                        Label::new(
 908                                            "Enter the command you use to SSH into this server.",
 909                                        )
 910                                        .color(Color::Muted)
 911                                        .size(LabelSize::Small),
 912                                    )
 913                                    .child(
 914                                        Button::new("learn-more", "Learn more…")
 915                                            .label_size(LabelSize::Small)
 916                                            .size(ButtonSize::None)
 917                                            .color(Color::Accent)
 918                                            .style(ButtonStyle::Transparent)
 919                                            .on_click(|_, cx| {
 920                                                cx.open_url(
 921                                                    "https://zed.dev/docs/remote-development",
 922                                                );
 923                                            }),
 924                                    ),
 925                            )
 926                        }
 927                    }),
 928            )
 929    }
 930
 931    fn render_view_options(
 932        &mut self,
 933        index: usize,
 934        connection: SshConnection,
 935        cx: &mut ViewContext<Self>,
 936    ) -> impl IntoElement {
 937        let connection_string = connection.host.clone();
 938
 939        div()
 940            .size_full()
 941            .child(
 942                SshConnectionHeader {
 943                    connection_string: connection_string.clone(),
 944                    paths: Default::default(),
 945                    nickname: connection.nickname.clone().map(|s| s.into()),
 946                }
 947                .render(cx),
 948            )
 949            .child(
 950                v_flex()
 951                    .pb_1()
 952                    .child(ListSeparator)
 953                    .child({
 954                        self.selectable_items.add_item(Box::new({
 955                            move |this, cx| {
 956                                this.mode = Mode::EditNickname(EditNicknameState::new(index, cx));
 957                                cx.notify();
 958                            }
 959                        }));
 960                        let is_selected = self.selectable_items.is_selected();
 961                        let label = if connection.nickname.is_some() {
 962                            "Edit Nickname"
 963                        } else {
 964                            "Add Nickname to Server"
 965                        };
 966                        ListItem::new("add-nickname")
 967                            .selected(is_selected)
 968                            .inset(true)
 969                            .spacing(ui::ListItemSpacing::Sparse)
 970                            .start_slot(Icon::new(IconName::Pencil).color(Color::Muted))
 971                            .child(Label::new(label))
 972                            .on_click(cx.listener(move |this, _, cx| {
 973                                this.mode = Mode::EditNickname(EditNicknameState::new(index, cx));
 974                                cx.notify();
 975                            }))
 976                    })
 977                    .child({
 978                        let workspace = self.workspace.clone();
 979                        fn callback(
 980                            workspace: WeakView<Workspace>,
 981                            connection_string: SharedString,
 982                            cx: &mut WindowContext<'_>,
 983                        ) {
 984                            cx.write_to_clipboard(ClipboardItem::new_string(
 985                                connection_string.to_string(),
 986                            ));
 987                            workspace
 988                                .update(cx, |this, cx| {
 989                                    struct SshServerAddressCopiedToClipboard;
 990                                    let notification = format!(
 991                                        "Copied server address ({}) to clipboard",
 992                                        connection_string
 993                                    );
 994
 995                                    this.show_toast(
 996                                        Toast::new(
 997                                            NotificationId::composite::<
 998                                                SshServerAddressCopiedToClipboard,
 999                                            >(
1000                                                connection_string.clone()
1001                                            ),
1002                                            notification,
1003                                        )
1004                                        .autohide(),
1005                                        cx,
1006                                    );
1007                                })
1008                                .ok();
1009                        }
1010                        self.selectable_items.add_item(Box::new({
1011                            let workspace = workspace.clone();
1012                            let connection_string = connection_string.clone();
1013                            move |_, cx| {
1014                                callback(workspace.clone(), connection_string.clone(), cx);
1015                            }
1016                        }));
1017                        let is_selected = self.selectable_items.is_selected();
1018                        ListItem::new("copy-server-address")
1019                            .selected(is_selected)
1020                            .inset(true)
1021                            .spacing(ui::ListItemSpacing::Sparse)
1022                            .start_slot(Icon::new(IconName::Copy).color(Color::Muted))
1023                            .child(Label::new("Copy Server Address"))
1024                            .end_hover_slot(
1025                                Label::new(connection_string.clone()).color(Color::Muted),
1026                            )
1027                            .on_click({
1028                                let connection_string = connection_string.clone();
1029                                move |_, cx| {
1030                                    callback(workspace.clone(), connection_string.clone(), cx);
1031                                }
1032                            })
1033                    })
1034                    .child({
1035                        fn remove_ssh_server(
1036                            remote_servers: View<RemoteServerProjects>,
1037                            index: usize,
1038                            connection_string: SharedString,
1039                            cx: &mut WindowContext<'_>,
1040                        ) {
1041                            let prompt_message = format!("Remove server `{}`?", connection_string);
1042
1043                            let confirmation = cx.prompt(
1044                                PromptLevel::Warning,
1045                                &prompt_message,
1046                                None,
1047                                &["Yes, remove it", "No, keep it"],
1048                            );
1049
1050                            cx.spawn(|mut cx| async move {
1051                                if confirmation.await.ok() == Some(0) {
1052                                    remote_servers
1053                                        .update(&mut cx, |this, cx| {
1054                                            this.delete_ssh_server(index, cx);
1055                                            this.mode = Mode::default_mode();
1056                                            cx.notify();
1057                                        })
1058                                        .ok();
1059                                }
1060                                anyhow::Ok(())
1061                            })
1062                            .detach_and_log_err(cx);
1063                        }
1064                        self.selectable_items.add_item(Box::new({
1065                            let connection_string = connection_string.clone();
1066                            move |_, cx| {
1067                                remove_ssh_server(
1068                                    cx.view().clone(),
1069                                    index,
1070                                    connection_string.clone(),
1071                                    cx,
1072                                );
1073                            }
1074                        }));
1075                        let is_selected = self.selectable_items.is_selected();
1076                        ListItem::new("remove-server")
1077                            .selected(is_selected)
1078                            .inset(true)
1079                            .spacing(ui::ListItemSpacing::Sparse)
1080                            .start_slot(Icon::new(IconName::Trash).color(Color::Error))
1081                            .child(Label::new("Remove Server").color(Color::Error))
1082                            .on_click(cx.listener(move |_, _, cx| {
1083                                remove_ssh_server(
1084                                    cx.view().clone(),
1085                                    index,
1086                                    connection_string.clone(),
1087                                    cx,
1088                                );
1089                            }))
1090                    })
1091                    .child(ListSeparator)
1092                    .child({
1093                        self.selectable_items.add_item(Box::new({
1094                            move |this, cx| {
1095                                this.mode = Mode::default_mode();
1096                                cx.notify();
1097                            }
1098                        }));
1099                        let is_selected = self.selectable_items.is_selected();
1100                        ListItem::new("go-back")
1101                            .selected(is_selected)
1102                            .inset(true)
1103                            .spacing(ui::ListItemSpacing::Sparse)
1104                            .start_slot(Icon::new(IconName::ArrowLeft).color(Color::Muted))
1105                            .child(Label::new("Go Back"))
1106                            .on_click(cx.listener(|this, _, cx| {
1107                                this.mode = Mode::default_mode();
1108                                cx.notify()
1109                            }))
1110                    }),
1111            )
1112    }
1113
1114    fn render_edit_nickname(
1115        &self,
1116        state: &EditNicknameState,
1117        cx: &mut ViewContext<Self>,
1118    ) -> impl IntoElement {
1119        let Some(connection) = SshSettings::get_global(cx)
1120            .ssh_connections()
1121            .nth(state.index)
1122        else {
1123            return v_flex();
1124        };
1125
1126        let connection_string = connection.host.clone();
1127        let nickname = connection.nickname.clone().map(|s| s.into());
1128
1129        v_flex()
1130            .child(
1131                SshConnectionHeader {
1132                    connection_string,
1133                    paths: Default::default(),
1134                    nickname,
1135                }
1136                .render(cx),
1137            )
1138            .child(
1139                h_flex()
1140                    .p_2()
1141                    .border_t_1()
1142                    .border_color(cx.theme().colors().border_variant)
1143                    .child(state.editor.clone()),
1144            )
1145    }
1146
1147    fn render_default(
1148        &mut self,
1149        scroll_state: ScrollbarState,
1150        cx: &mut ViewContext<Self>,
1151    ) -> impl IntoElement {
1152        let scroll_state = scroll_state.parent_view(cx.view());
1153        let ssh_connections = SshSettings::get_global(cx)
1154            .ssh_connections()
1155            .collect::<Vec<_>>();
1156        self.selectable_items.add_item(Box::new(|this, cx| {
1157            this.mode = Mode::CreateRemoteServer(CreateRemoteServer::new(cx));
1158            cx.notify();
1159        }));
1160
1161        let is_selected = self.selectable_items.is_selected();
1162
1163        let connect_button = ListItem::new("register-remove-server-button")
1164            .selected(is_selected)
1165            .inset(true)
1166            .spacing(ui::ListItemSpacing::Sparse)
1167            .start_slot(Icon::new(IconName::Plus).color(Color::Muted))
1168            .child(Label::new("Connect New Server"))
1169            .on_click(cx.listener(|this, _, cx| {
1170                let state = CreateRemoteServer::new(cx);
1171                this.mode = Mode::CreateRemoteServer(state);
1172
1173                cx.notify();
1174            }));
1175
1176        let ui::ScrollableHandle::NonUniform(scroll_handle) = scroll_state.scroll_handle() else {
1177            unreachable!()
1178        };
1179
1180        let mut modal_section = v_flex()
1181            .id("ssh-server-list")
1182            .overflow_y_scroll()
1183            .track_scroll(&scroll_handle)
1184            .size_full()
1185            .child(connect_button)
1186            .child(
1187                List::new()
1188                    .empty_message(
1189                        v_flex()
1190                            .child(div().px_3().child(
1191                                Label::new("No remote servers registered yet.").color(Color::Muted),
1192                            ))
1193                            .into_any_element(),
1194                    )
1195                    .children(ssh_connections.iter().cloned().enumerate().map(
1196                        |(ix, connection)| {
1197                            self.render_ssh_connection(ix, connection, cx)
1198                                .into_any_element()
1199                        },
1200                    )),
1201            )
1202            .into_any_element();
1203
1204        Modal::new("remote-projects", Some(self.scroll_handle.clone()))
1205            .header(
1206                ModalHeader::new()
1207                    .child(Headline::new("Remote Projects (beta)").size(HeadlineSize::XSmall)),
1208            )
1209            .section(
1210                Section::new().padded(false).child(
1211                    v_flex()
1212                        .min_h(rems(20.))
1213                        .size_full()
1214                        .relative()
1215                        .child(ListSeparator)
1216                        .child(
1217                            canvas(
1218                                |bounds, cx| {
1219                                    modal_section.prepaint_as_root(
1220                                        bounds.origin,
1221                                        bounds.size.into(),
1222                                        cx,
1223                                    );
1224                                    modal_section
1225                                },
1226                                |_, mut modal_section, cx| {
1227                                    modal_section.paint(cx);
1228                                },
1229                            )
1230                            .size_full(),
1231                        )
1232                        .child(
1233                            div()
1234                                .occlude()
1235                                .h_full()
1236                                .absolute()
1237                                .top_1()
1238                                .bottom_1()
1239                                .right_1()
1240                                .w(px(8.))
1241                                .children(Scrollbar::vertical(scroll_state)),
1242                        ),
1243                ),
1244            )
1245    }
1246}
1247
1248fn get_text(element: &View<Editor>, cx: &mut WindowContext) -> String {
1249    element.read(cx).text(cx).trim().to_string()
1250}
1251
1252impl ModalView for RemoteServerProjects {}
1253
1254impl FocusableView for RemoteServerProjects {
1255    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
1256        match &self.mode {
1257            Mode::ProjectPicker(picker) => picker.focus_handle(cx),
1258            _ => self.focus_handle.clone(),
1259        }
1260    }
1261}
1262
1263impl EventEmitter<DismissEvent> for RemoteServerProjects {}
1264
1265impl Render for RemoteServerProjects {
1266    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1267        self.selectable_items.reset();
1268        div()
1269            .track_focus(&self.focus_handle(cx))
1270            .elevation_3(cx)
1271            .w(rems(34.))
1272            .key_context("RemoteServerModal")
1273            .on_action(cx.listener(Self::cancel))
1274            .on_action(cx.listener(Self::confirm))
1275            .on_action(cx.listener(Self::prev_item))
1276            .on_action(cx.listener(Self::next_item))
1277            .capture_any_mouse_down(cx.listener(|this, _, cx| {
1278                this.focus_handle(cx).focus(cx);
1279            }))
1280            .on_mouse_down_out(cx.listener(|this, _, cx| {
1281                if matches!(this.mode, Mode::Default(_)) {
1282                    cx.emit(DismissEvent)
1283                }
1284            }))
1285            .child(match &self.mode {
1286                Mode::Default(state) => self.render_default(state.clone(), cx).into_any_element(),
1287                Mode::ViewServerOptions(index, connection) => self
1288                    .render_view_options(*index, connection.clone(), cx)
1289                    .into_any_element(),
1290                Mode::ProjectPicker(element) => element.clone().into_any_element(),
1291                Mode::CreateRemoteServer(state) => self
1292                    .render_create_remote_server(state, cx)
1293                    .into_any_element(),
1294                Mode::EditNickname(state) => {
1295                    self.render_edit_nickname(state, cx).into_any_element()
1296                }
1297            })
1298    }
1299}