terminal_panel.rs

   1use std::{cmp, ops::ControlFlow, path::PathBuf, process::ExitStatus, sync::Arc, time::Duration};
   2
   3use crate::{
   4    TerminalView, default_working_directory,
   5    persistence::{
   6        SerializedItems, SerializedTerminalPanel, deserialize_terminal_panel, serialize_pane_group,
   7    },
   8};
   9use breadcrumbs::Breadcrumbs;
  10use collections::HashMap;
  11use db::kvp::KEY_VALUE_STORE;
  12use futures::{channel::oneshot, future::join_all};
  13use gpui::{
  14    Action, AnyView, App, AsyncApp, AsyncWindowContext, Context, Corner, Entity, EventEmitter,
  15    ExternalPaths, FocusHandle, Focusable, IntoElement, ParentElement, Pixels, Render, Styled,
  16    Task, WeakEntity, Window, actions,
  17};
  18use itertools::Itertools;
  19use project::{Fs, Project, ProjectEntryId};
  20use search::{BufferSearchBar, buffer_search::DivRegistrar};
  21use settings::{Settings, TerminalDockPosition};
  22use task::{RevealStrategy, RevealTarget, Shell, ShellBuilder, SpawnInTerminal, TaskId};
  23use terminal::{Terminal, terminal_settings::TerminalSettings};
  24use ui::{
  25    ButtonCommon, Clickable, ContextMenu, FluentBuilder, PopoverMenu, Toggleable, Tooltip,
  26    prelude::*,
  27};
  28use util::{ResultExt, TryFutureExt};
  29use workspace::{
  30    ActivateNextPane, ActivatePane, ActivatePaneDown, ActivatePaneLeft, ActivatePaneRight,
  31    ActivatePaneUp, ActivatePreviousPane, DraggedSelection, DraggedTab, ItemId, MoveItemToPane,
  32    MoveItemToPaneInDirection, NewTerminal, Pane, PaneGroup, SplitDirection, SplitDown, SplitLeft,
  33    SplitRight, SplitUp, SwapPaneDown, SwapPaneLeft, SwapPaneRight, SwapPaneUp, ToggleZoom,
  34    Workspace,
  35    dock::{DockPosition, Panel, PanelEvent, PanelHandle},
  36    item::SerializableItem,
  37    move_active_item, move_item, pane,
  38    ui::IconName,
  39};
  40
  41use anyhow::{Result, anyhow};
  42use zed_actions::assistant::InlineAssist;
  43
  44const TERMINAL_PANEL_KEY: &str = "TerminalPanel";
  45
  46actions!(
  47    terminal_panel,
  48    [
  49        /// Toggles the terminal panel.
  50        Toggle,
  51        /// Toggles focus on the terminal panel.
  52        ToggleFocus
  53    ]
  54);
  55
  56pub fn init(cx: &mut App) {
  57    cx.observe_new(
  58        |workspace: &mut Workspace, _window, _: &mut Context<Workspace>| {
  59            workspace.register_action(TerminalPanel::new_terminal);
  60            workspace.register_action(TerminalPanel::open_terminal);
  61            workspace.register_action(|workspace, _: &ToggleFocus, window, cx| {
  62                if is_enabled_in_workspace(workspace, cx) {
  63                    workspace.toggle_panel_focus::<TerminalPanel>(window, cx);
  64                }
  65            });
  66            workspace.register_action(|workspace, _: &Toggle, window, cx| {
  67                if is_enabled_in_workspace(workspace, cx) {
  68                    if !workspace.toggle_panel_focus::<TerminalPanel>(window, cx) {
  69                        workspace.close_panel::<TerminalPanel>(window, cx);
  70                    }
  71                }
  72            });
  73        },
  74    )
  75    .detach();
  76}
  77
  78pub struct TerminalPanel {
  79    pub(crate) active_pane: Entity<Pane>,
  80    pub(crate) center: PaneGroup,
  81    fs: Arc<dyn Fs>,
  82    workspace: WeakEntity<Workspace>,
  83    pub(crate) width: Option<Pixels>,
  84    pub(crate) height: Option<Pixels>,
  85    pending_serialization: Task<Option<()>>,
  86    pending_terminals_to_add: usize,
  87    deferred_tasks: HashMap<TaskId, Task<()>>,
  88    assistant_enabled: bool,
  89    assistant_tab_bar_button: Option<AnyView>,
  90    active: bool,
  91}
  92
  93impl TerminalPanel {
  94    pub fn new(workspace: &Workspace, window: &mut Window, cx: &mut Context<Self>) -> Self {
  95        let project = workspace.project();
  96        let pane = new_terminal_pane(workspace.weak_handle(), project.clone(), false, window, cx);
  97        let center = PaneGroup::new(pane.clone());
  98        let terminal_panel = Self {
  99            center,
 100            active_pane: pane,
 101            fs: workspace.app_state().fs.clone(),
 102            workspace: workspace.weak_handle(),
 103            pending_serialization: Task::ready(None),
 104            width: None,
 105            height: None,
 106            pending_terminals_to_add: 0,
 107            deferred_tasks: HashMap::default(),
 108            assistant_enabled: false,
 109            assistant_tab_bar_button: None,
 110            active: false,
 111        };
 112        terminal_panel.apply_tab_bar_buttons(&terminal_panel.active_pane, cx);
 113        terminal_panel
 114    }
 115
 116    pub fn set_assistant_enabled(&mut self, enabled: bool, cx: &mut Context<Self>) {
 117        self.assistant_enabled = enabled;
 118        if enabled {
 119            let focus_handle = self
 120                .active_pane
 121                .read(cx)
 122                .active_item()
 123                .map(|item| item.item_focus_handle(cx))
 124                .unwrap_or(self.focus_handle(cx));
 125            self.assistant_tab_bar_button = Some(
 126                cx.new(move |_| InlineAssistTabBarButton { focus_handle })
 127                    .into(),
 128            );
 129        } else {
 130            self.assistant_tab_bar_button = None;
 131        }
 132        for pane in self.center.panes() {
 133            self.apply_tab_bar_buttons(pane, cx);
 134        }
 135    }
 136
 137    fn apply_tab_bar_buttons(&self, terminal_pane: &Entity<Pane>, cx: &mut Context<Self>) {
 138        let assistant_tab_bar_button = self.assistant_tab_bar_button.clone();
 139        terminal_pane.update(cx, |pane, cx| {
 140            pane.set_render_tab_bar_buttons(cx, move |pane, window, cx| {
 141                let split_context = pane
 142                    .active_item()
 143                    .and_then(|item| item.downcast::<TerminalView>())
 144                    .map(|terminal_view| terminal_view.read(cx).focus_handle.clone());
 145                if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
 146                    return (None, None);
 147                }
 148                let focus_handle = pane.focus_handle(cx);
 149                let right_children = h_flex()
 150                    .gap(DynamicSpacing::Base02.rems(cx))
 151                    .child(
 152                        PopoverMenu::new("terminal-tab-bar-popover-menu")
 153                            .trigger_with_tooltip(
 154                                IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
 155                                Tooltip::text("New…"),
 156                            )
 157                            .anchor(Corner::TopRight)
 158                            .with_handle(pane.new_item_context_menu_handle.clone())
 159                            .menu(move |window, cx| {
 160                                let focus_handle = focus_handle.clone();
 161                                let menu = ContextMenu::build(window, cx, |menu, _, _| {
 162                                    menu.context(focus_handle.clone())
 163                                        .action(
 164                                            "New Terminal",
 165                                            workspace::NewTerminal.boxed_clone(),
 166                                        )
 167                                        // We want the focus to go back to terminal panel once task modal is dismissed,
 168                                        // hence we focus that first. Otherwise, we'd end up without a focused element, as
 169                                        // context menu will be gone the moment we spawn the modal.
 170                                        .action(
 171                                            "Spawn task",
 172                                            zed_actions::Spawn::modal().boxed_clone(),
 173                                        )
 174                                });
 175
 176                                Some(menu)
 177                            }),
 178                    )
 179                    .children(assistant_tab_bar_button.clone())
 180                    .child(
 181                        PopoverMenu::new("terminal-pane-tab-bar-split")
 182                            .trigger_with_tooltip(
 183                                IconButton::new("terminal-pane-split", IconName::Split)
 184                                    .icon_size(IconSize::Small),
 185                                Tooltip::text("Split Pane"),
 186                            )
 187                            .anchor(Corner::TopRight)
 188                            .with_handle(pane.split_item_context_menu_handle.clone())
 189                            .menu({
 190                                move |window, cx| {
 191                                    ContextMenu::build(window, cx, |menu, _, _| {
 192                                        menu.when_some(
 193                                            split_context.clone(),
 194                                            |menu, split_context| menu.context(split_context),
 195                                        )
 196                                        .action("Split Right", SplitRight.boxed_clone())
 197                                        .action("Split Left", SplitLeft.boxed_clone())
 198                                        .action("Split Up", SplitUp.boxed_clone())
 199                                        .action("Split Down", SplitDown.boxed_clone())
 200                                    })
 201                                    .into()
 202                                }
 203                            }),
 204                    )
 205                    .child({
 206                        let zoomed = pane.is_zoomed();
 207                        IconButton::new("toggle_zoom", IconName::Maximize)
 208                            .icon_size(IconSize::Small)
 209                            .toggle_state(zoomed)
 210                            .selected_icon(IconName::Minimize)
 211                            .on_click(cx.listener(|pane, _, window, cx| {
 212                                pane.toggle_zoom(&workspace::ToggleZoom, window, cx);
 213                            }))
 214                            .tooltip(move |window, cx| {
 215                                Tooltip::for_action(
 216                                    if zoomed { "Zoom Out" } else { "Zoom In" },
 217                                    &ToggleZoom,
 218                                    window,
 219                                    cx,
 220                                )
 221                            })
 222                    })
 223                    .into_any_element()
 224                    .into();
 225                (None, right_children)
 226            });
 227        });
 228    }
 229
 230    fn serialization_key(workspace: &Workspace) -> Option<String> {
 231        workspace
 232            .database_id()
 233            .map(|id| i64::from(id).to_string())
 234            .or(workspace.session_id())
 235            .map(|id| format!("{:?}-{:?}", TERMINAL_PANEL_KEY, id))
 236    }
 237
 238    pub async fn load(
 239        workspace: WeakEntity<Workspace>,
 240        mut cx: AsyncWindowContext,
 241    ) -> Result<Entity<Self>> {
 242        let mut terminal_panel = None;
 243
 244        if let Some((database_id, serialization_key)) = workspace
 245            .read_with(&cx, |workspace, _| {
 246                workspace
 247                    .database_id()
 248                    .zip(TerminalPanel::serialization_key(workspace))
 249            })
 250            .ok()
 251            .flatten()
 252            && let Some(serialized_panel) = cx
 253                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(&serialization_key) })
 254                .await
 255                .log_err()
 256                .flatten()
 257                .map(|panel| serde_json::from_str::<SerializedTerminalPanel>(&panel))
 258                .transpose()
 259                .log_err()
 260                .flatten()
 261            && let Ok(serialized) = workspace
 262                .update_in(&mut cx, |workspace, window, cx| {
 263                    deserialize_terminal_panel(
 264                        workspace.weak_handle(),
 265                        workspace.project().clone(),
 266                        database_id,
 267                        serialized_panel,
 268                        window,
 269                        cx,
 270                    )
 271                })?
 272                .await
 273        {
 274            terminal_panel = Some(serialized);
 275        }
 276
 277        let terminal_panel = if let Some(panel) = terminal_panel {
 278            panel
 279        } else {
 280            workspace.update_in(&mut cx, |workspace, window, cx| {
 281                cx.new(|cx| TerminalPanel::new(workspace, window, cx))
 282            })?
 283        };
 284
 285        if let Some(workspace) = workspace.upgrade() {
 286            workspace
 287                .update(&mut cx, |workspace, _| {
 288                    workspace.set_terminal_provider(TerminalProvider(terminal_panel.clone()))
 289                })
 290                .ok();
 291        }
 292
 293        // Since panels/docks are loaded outside from the workspace, we cleanup here, instead of through the workspace.
 294        if let Some(workspace) = workspace.upgrade() {
 295            let cleanup_task = workspace.update_in(&mut cx, |workspace, window, cx| {
 296                let alive_item_ids = terminal_panel
 297                    .read(cx)
 298                    .center
 299                    .panes()
 300                    .into_iter()
 301                    .flat_map(|pane| pane.read(cx).items())
 302                    .map(|item| item.item_id().as_u64() as ItemId)
 303                    .collect();
 304                workspace.database_id().map(|workspace_id| {
 305                    TerminalView::cleanup(workspace_id, alive_item_ids, window, cx)
 306                })
 307            })?;
 308            if let Some(task) = cleanup_task {
 309                task.await.log_err();
 310            }
 311        }
 312
 313        if let Some(workspace) = workspace.upgrade() {
 314            let should_focus = workspace
 315                .update_in(&mut cx, |workspace, window, cx| {
 316                    workspace.active_item(cx).is_none()
 317                        && workspace
 318                            .is_dock_at_position_open(terminal_panel.position(window, cx), cx)
 319                })
 320                .unwrap_or(false);
 321
 322            if should_focus {
 323                terminal_panel
 324                    .update_in(&mut cx, |panel, window, cx| {
 325                        panel.active_pane.update(cx, |pane, cx| {
 326                            pane.focus_active_item(window, cx);
 327                        });
 328                    })
 329                    .ok();
 330            }
 331        }
 332        Ok(terminal_panel)
 333    }
 334
 335    fn handle_pane_event(
 336        &mut self,
 337        pane: &Entity<Pane>,
 338        event: &pane::Event,
 339        window: &mut Window,
 340        cx: &mut Context<Self>,
 341    ) {
 342        match event {
 343            pane::Event::ActivateItem { .. } => self.serialize(cx),
 344            pane::Event::RemovedItem { .. } => self.serialize(cx),
 345            pane::Event::Remove { focus_on_pane } => {
 346                let pane_count_before_removal = self.center.panes().len();
 347                let _removal_result = self.center.remove(pane);
 348                if pane_count_before_removal == 1 {
 349                    self.center.first_pane().update(cx, |pane, cx| {
 350                        pane.set_zoomed(false, cx);
 351                    });
 352                    cx.emit(PanelEvent::Close);
 353                } else if let Some(focus_on_pane) =
 354                    focus_on_pane.as_ref().or_else(|| self.center.panes().pop())
 355                {
 356                    focus_on_pane.focus_handle(cx).focus(window);
 357                }
 358            }
 359            pane::Event::ZoomIn => {
 360                for pane in self.center.panes() {
 361                    pane.update(cx, |pane, cx| {
 362                        pane.set_zoomed(true, cx);
 363                    })
 364                }
 365                cx.emit(PanelEvent::ZoomIn);
 366                cx.notify();
 367            }
 368            pane::Event::ZoomOut => {
 369                for pane in self.center.panes() {
 370                    pane.update(cx, |pane, cx| {
 371                        pane.set_zoomed(false, cx);
 372                    })
 373                }
 374                cx.emit(PanelEvent::ZoomOut);
 375                cx.notify();
 376            }
 377            pane::Event::AddItem { item } => {
 378                if let Some(workspace) = self.workspace.upgrade() {
 379                    workspace.update(cx, |workspace, cx| {
 380                        item.added_to_pane(workspace, pane.clone(), window, cx)
 381                    })
 382                }
 383                self.serialize(cx);
 384            }
 385            &pane::Event::Split {
 386                direction,
 387                clone_active_item,
 388            } => {
 389                if clone_active_item {
 390                    let fut = self.new_pane_with_cloned_active_terminal(window, cx);
 391                    let pane = pane.clone();
 392                    cx.spawn_in(window, async move |panel, cx| {
 393                        let Some(new_pane) = fut.await else {
 394                            return;
 395                        };
 396                        panel
 397                            .update_in(cx, |panel, window, cx| {
 398                                panel.center.split(&pane, &new_pane, direction).log_err();
 399                                window.focus(&new_pane.focus_handle(cx));
 400                            })
 401                            .ok();
 402                    })
 403                    .detach();
 404                } else {
 405                    let Some(item) = pane.update(cx, |pane, cx| pane.take_active_item(window, cx))
 406                    else {
 407                        return;
 408                    };
 409                    let Ok(project) = self
 410                        .workspace
 411                        .update(cx, |workspace, _| workspace.project().clone())
 412                    else {
 413                        return;
 414                    };
 415                    let new_pane =
 416                        new_terminal_pane(self.workspace.clone(), project, false, window, cx);
 417                    new_pane.update(cx, |pane, cx| {
 418                        pane.add_item(item, true, true, None, window, cx);
 419                    });
 420                    self.center.split(&pane, &new_pane, direction).log_err();
 421                    window.focus(&new_pane.focus_handle(cx));
 422                }
 423            }
 424            pane::Event::Focus => {
 425                self.active_pane = pane.clone();
 426            }
 427            pane::Event::ItemPinned | pane::Event::ItemUnpinned => {
 428                self.serialize(cx);
 429            }
 430
 431            _ => {}
 432        }
 433    }
 434
 435    fn new_pane_with_cloned_active_terminal(
 436        &mut self,
 437        window: &mut Window,
 438        cx: &mut Context<Self>,
 439    ) -> Task<Option<Entity<Pane>>> {
 440        let Some(workspace) = self.workspace.upgrade() else {
 441            return Task::ready(None);
 442        };
 443        let workspace = workspace.read(cx);
 444        let database_id = workspace.database_id();
 445        let weak_workspace = self.workspace.clone();
 446        let project = workspace.project().clone();
 447        let active_pane = &self.active_pane;
 448        let terminal_view = active_pane
 449            .read(cx)
 450            .active_item()
 451            .and_then(|item| item.downcast::<TerminalView>());
 452        let working_directory = terminal_view.as_ref().and_then(|terminal_view| {
 453            let terminal = terminal_view.read(cx).terminal().read(cx);
 454            terminal
 455                .working_directory()
 456                .or_else(|| default_working_directory(workspace, cx))
 457        });
 458        let is_zoomed = active_pane.read(cx).is_zoomed();
 459        cx.spawn_in(window, async move |panel, cx| {
 460            let terminal = project
 461                .update(cx, |project, cx| match terminal_view {
 462                    Some(view) => Task::ready(project.clone_terminal(
 463                        &view.read(cx).terminal.clone(),
 464                        cx,
 465                        || working_directory,
 466                    )),
 467                    None => project.create_terminal_shell(working_directory, cx),
 468                })
 469                .ok()?
 470                .await
 471                .log_err()?;
 472
 473            panel
 474                .update_in(cx, move |terminal_panel, window, cx| {
 475                    let terminal_view = Box::new(cx.new(|cx| {
 476                        TerminalView::new(
 477                            terminal.clone(),
 478                            weak_workspace.clone(),
 479                            database_id,
 480                            project.downgrade(),
 481                            window,
 482                            cx,
 483                        )
 484                    }));
 485                    let pane = new_terminal_pane(weak_workspace, project, is_zoomed, window, cx);
 486                    terminal_panel.apply_tab_bar_buttons(&pane, cx);
 487                    pane.update(cx, |pane, cx| {
 488                        pane.add_item(terminal_view, true, true, None, window, cx);
 489                    });
 490                    Some(pane)
 491                })
 492                .ok()
 493                .flatten()
 494        })
 495    }
 496
 497    pub fn open_terminal(
 498        workspace: &mut Workspace,
 499        action: &workspace::OpenTerminal,
 500        window: &mut Window,
 501        cx: &mut Context<Workspace>,
 502    ) {
 503        let Some(terminal_panel) = workspace.panel::<Self>(cx) else {
 504            return;
 505        };
 506
 507        terminal_panel
 508            .update(cx, |panel, cx| {
 509                panel.add_terminal_shell(
 510                    Some(action.working_directory.clone()),
 511                    RevealStrategy::Always,
 512                    window,
 513                    cx,
 514                )
 515            })
 516            .detach_and_log_err(cx);
 517    }
 518
 519    pub fn spawn_task(
 520        &mut self,
 521        task: &SpawnInTerminal,
 522        window: &mut Window,
 523        cx: &mut Context<Self>,
 524    ) -> Task<Result<WeakEntity<Terminal>>> {
 525        let remote_client = self
 526            .workspace
 527            .update(cx, |workspace, cx| {
 528                let project = workspace.project().read(cx);
 529                if project.is_via_collab() {
 530                    Err(anyhow!("cannot spawn tasks as a guest"))
 531                } else {
 532                    Ok(project.remote_client())
 533                }
 534            })
 535            .flatten();
 536
 537        let remote_client = match remote_client {
 538            Ok(remote_client) => remote_client,
 539            Err(e) => return Task::ready(Err(e)),
 540        };
 541
 542        let remote_shell = remote_client
 543            .as_ref()
 544            .and_then(|remote_client| remote_client.read(cx).shell());
 545
 546        let shell = if let Some(remote_shell) = remote_shell
 547            && task.shell == Shell::System
 548        {
 549            Shell::Program(remote_shell)
 550        } else {
 551            task.shell.clone()
 552        };
 553
 554        let builder = ShellBuilder::new(&shell);
 555        let command_label = builder.command_label(task.command.as_deref().unwrap_or(""));
 556        let (command, args) = builder.build(task.command.clone(), &task.args);
 557
 558        let task = SpawnInTerminal {
 559            command_label,
 560            command: Some(command),
 561            args,
 562            ..task.clone()
 563        };
 564
 565        if task.allow_concurrent_runs && task.use_new_terminal {
 566            return self.spawn_in_new_terminal(task, window, cx);
 567        }
 568
 569        let mut terminals_for_task = self.terminals_for_task(&task.full_label, cx);
 570        let Some(existing) = terminals_for_task.pop() else {
 571            return self.spawn_in_new_terminal(task, window, cx);
 572        };
 573
 574        let (existing_item_index, task_pane, existing_terminal) = existing;
 575        if task.allow_concurrent_runs {
 576            return self.replace_terminal(
 577                task,
 578                task_pane,
 579                existing_item_index,
 580                existing_terminal,
 581                window,
 582                cx,
 583            );
 584        }
 585
 586        let (tx, rx) = oneshot::channel();
 587
 588        self.deferred_tasks.insert(
 589            task.id.clone(),
 590            cx.spawn_in(window, async move |terminal_panel, cx| {
 591                wait_for_terminals_tasks(terminals_for_task, cx).await;
 592                let task = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
 593                    if task.use_new_terminal {
 594                        terminal_panel.spawn_in_new_terminal(task, window, cx)
 595                    } else {
 596                        terminal_panel.replace_terminal(
 597                            task,
 598                            task_pane,
 599                            existing_item_index,
 600                            existing_terminal,
 601                            window,
 602                            cx,
 603                        )
 604                    }
 605                });
 606                if let Ok(task) = task {
 607                    tx.send(task.await).ok();
 608                }
 609            }),
 610        );
 611
 612        cx.spawn(async move |_, _| rx.await?)
 613    }
 614
 615    fn spawn_in_new_terminal(
 616        &mut self,
 617        spawn_task: SpawnInTerminal,
 618        window: &mut Window,
 619        cx: &mut Context<Self>,
 620    ) -> Task<Result<WeakEntity<Terminal>>> {
 621        let reveal = spawn_task.reveal;
 622        let reveal_target = spawn_task.reveal_target;
 623        match reveal_target {
 624            RevealTarget::Center => self
 625                .workspace
 626                .update(cx, |workspace, cx| {
 627                    Self::add_center_terminal(workspace, window, cx, |project, cx| {
 628                        project.create_terminal_task(spawn_task, cx)
 629                    })
 630                })
 631                .unwrap_or_else(|e| Task::ready(Err(e))),
 632            RevealTarget::Dock => self.add_terminal_task(spawn_task, reveal, window, cx),
 633        }
 634    }
 635
 636    /// Create a new Terminal in the current working directory or the user's home directory
 637    fn new_terminal(
 638        workspace: &mut Workspace,
 639        _: &workspace::NewTerminal,
 640        window: &mut Window,
 641        cx: &mut Context<Workspace>,
 642    ) {
 643        let Some(terminal_panel) = workspace.panel::<Self>(cx) else {
 644            return;
 645        };
 646
 647        terminal_panel
 648            .update(cx, |this, cx| {
 649                this.add_terminal_shell(
 650                    default_working_directory(workspace, cx),
 651                    RevealStrategy::Always,
 652                    window,
 653                    cx,
 654                )
 655            })
 656            .detach_and_log_err(cx);
 657    }
 658
 659    fn terminals_for_task(
 660        &self,
 661        label: &str,
 662        cx: &mut App,
 663    ) -> Vec<(usize, Entity<Pane>, Entity<TerminalView>)> {
 664        let Some(workspace) = self.workspace.upgrade() else {
 665            return Vec::new();
 666        };
 667
 668        let pane_terminal_views = |pane: Entity<Pane>| {
 669            pane.read(cx)
 670                .items()
 671                .enumerate()
 672                .filter_map(|(index, item)| Some((index, item.act_as::<TerminalView>(cx)?)))
 673                .filter_map(|(index, terminal_view)| {
 674                    let task_state = terminal_view.read(cx).terminal().read(cx).task()?;
 675                    if &task_state.spawned_task.full_label == label {
 676                        Some((index, terminal_view))
 677                    } else {
 678                        None
 679                    }
 680                })
 681                .map(move |(index, terminal_view)| (index, pane.clone(), terminal_view))
 682        };
 683
 684        self.center
 685            .panes()
 686            .into_iter()
 687            .cloned()
 688            .flat_map(pane_terminal_views)
 689            .chain(
 690                workspace
 691                    .read(cx)
 692                    .panes()
 693                    .iter()
 694                    .cloned()
 695                    .flat_map(pane_terminal_views),
 696            )
 697            .sorted_by_key(|(_, _, terminal_view)| terminal_view.entity_id())
 698            .collect()
 699    }
 700
 701    fn activate_terminal_view(
 702        &self,
 703        pane: &Entity<Pane>,
 704        item_index: usize,
 705        focus: bool,
 706        window: &mut Window,
 707        cx: &mut App,
 708    ) {
 709        pane.update(cx, |pane, cx| {
 710            pane.activate_item(item_index, true, focus, window, cx)
 711        })
 712    }
 713
 714    pub fn add_center_terminal(
 715        workspace: &mut Workspace,
 716        window: &mut Window,
 717        cx: &mut Context<Workspace>,
 718        create_terminal: impl FnOnce(
 719            &mut Project,
 720            &mut Context<Project>,
 721        ) -> Task<Result<Entity<Terminal>>>
 722        + 'static,
 723    ) -> Task<Result<WeakEntity<Terminal>>> {
 724        if !is_enabled_in_workspace(workspace, cx) {
 725            return Task::ready(Err(anyhow!(
 726                "terminal not yet supported for remote projects"
 727            )));
 728        }
 729        let project = workspace.project().downgrade();
 730        cx.spawn_in(window, async move |workspace, cx| {
 731            let terminal = project.update(cx, create_terminal)?.await?;
 732
 733            workspace.update_in(cx, |workspace, window, cx| {
 734                let terminal_view = cx.new(|cx| {
 735                    TerminalView::new(
 736                        terminal.clone(),
 737                        workspace.weak_handle(),
 738                        workspace.database_id(),
 739                        workspace.project().downgrade(),
 740                        window,
 741                        cx,
 742                    )
 743                });
 744                workspace.add_item_to_active_pane(Box::new(terminal_view), None, true, window, cx);
 745            })?;
 746            Ok(terminal.downgrade())
 747        })
 748    }
 749
 750    pub fn add_terminal_task(
 751        &mut self,
 752        task: SpawnInTerminal,
 753        reveal_strategy: RevealStrategy,
 754        window: &mut Window,
 755        cx: &mut Context<Self>,
 756    ) -> Task<Result<WeakEntity<Terminal>>> {
 757        let workspace = self.workspace.clone();
 758        cx.spawn_in(window, async move |terminal_panel, cx| {
 759            if workspace.update(cx, |workspace, cx| !is_enabled_in_workspace(workspace, cx))? {
 760                anyhow::bail!("terminal not yet supported for remote projects");
 761            }
 762            let pane = terminal_panel.update(cx, |terminal_panel, _| {
 763                terminal_panel.pending_terminals_to_add += 1;
 764                terminal_panel.active_pane.clone()
 765            })?;
 766            let project = workspace.read_with(cx, |workspace, _| workspace.project().clone())?;
 767            let terminal = project
 768                .update(cx, |project, cx| project.create_terminal_task(task, cx))?
 769                .await?;
 770            let result = workspace.update_in(cx, |workspace, window, cx| {
 771                let terminal_view = Box::new(cx.new(|cx| {
 772                    TerminalView::new(
 773                        terminal.clone(),
 774                        workspace.weak_handle(),
 775                        workspace.database_id(),
 776                        workspace.project().downgrade(),
 777                        window,
 778                        cx,
 779                    )
 780                }));
 781
 782                match reveal_strategy {
 783                    RevealStrategy::Always => {
 784                        workspace.focus_panel::<Self>(window, cx);
 785                    }
 786                    RevealStrategy::NoFocus => {
 787                        workspace.open_panel::<Self>(window, cx);
 788                    }
 789                    RevealStrategy::Never => {}
 790                }
 791
 792                pane.update(cx, |pane, cx| {
 793                    let focus = pane.has_focus(window, cx)
 794                        || matches!(reveal_strategy, RevealStrategy::Always);
 795                    pane.add_item(terminal_view, true, focus, None, window, cx);
 796                });
 797
 798                Ok(terminal.downgrade())
 799            })?;
 800            terminal_panel.update(cx, |terminal_panel, cx| {
 801                terminal_panel.pending_terminals_to_add =
 802                    terminal_panel.pending_terminals_to_add.saturating_sub(1);
 803                terminal_panel.serialize(cx)
 804            })?;
 805            result
 806        })
 807    }
 808
 809    fn add_terminal_shell(
 810        &mut self,
 811        cwd: Option<PathBuf>,
 812        reveal_strategy: RevealStrategy,
 813        window: &mut Window,
 814        cx: &mut Context<Self>,
 815    ) -> Task<Result<WeakEntity<Terminal>>> {
 816        let workspace = self.workspace.clone();
 817        cx.spawn_in(window, async move |terminal_panel, cx| {
 818            if workspace.update(cx, |workspace, cx| !is_enabled_in_workspace(workspace, cx))? {
 819                anyhow::bail!("terminal not yet supported for collaborative projects");
 820            }
 821            let pane = terminal_panel.update(cx, |terminal_panel, _| {
 822                terminal_panel.pending_terminals_to_add += 1;
 823                terminal_panel.active_pane.clone()
 824            })?;
 825            let project = workspace.read_with(cx, |workspace, _| workspace.project().clone())?;
 826            let terminal = project
 827                .update(cx, |project, cx| project.create_terminal_shell(cwd, cx))?
 828                .await?;
 829            let result = workspace.update_in(cx, |workspace, window, cx| {
 830                let terminal_view = Box::new(cx.new(|cx| {
 831                    TerminalView::new(
 832                        terminal.clone(),
 833                        workspace.weak_handle(),
 834                        workspace.database_id(),
 835                        workspace.project().downgrade(),
 836                        window,
 837                        cx,
 838                    )
 839                }));
 840
 841                match reveal_strategy {
 842                    RevealStrategy::Always => {
 843                        workspace.focus_panel::<Self>(window, cx);
 844                    }
 845                    RevealStrategy::NoFocus => {
 846                        workspace.open_panel::<Self>(window, cx);
 847                    }
 848                    RevealStrategy::Never => {}
 849                }
 850
 851                pane.update(cx, |pane, cx| {
 852                    let focus = pane.has_focus(window, cx)
 853                        || matches!(reveal_strategy, RevealStrategy::Always);
 854                    pane.add_item(terminal_view, true, focus, None, window, cx);
 855                });
 856
 857                Ok(terminal.downgrade())
 858            })?;
 859            terminal_panel.update(cx, |terminal_panel, cx| {
 860                terminal_panel.pending_terminals_to_add =
 861                    terminal_panel.pending_terminals_to_add.saturating_sub(1);
 862                terminal_panel.serialize(cx)
 863            })?;
 864            result
 865        })
 866    }
 867
 868    fn serialize(&mut self, cx: &mut Context<Self>) {
 869        let height = self.height;
 870        let width = self.width;
 871        let Some(serialization_key) = self
 872            .workspace
 873            .read_with(cx, |workspace, _| {
 874                TerminalPanel::serialization_key(workspace)
 875            })
 876            .ok()
 877            .flatten()
 878        else {
 879            return;
 880        };
 881        self.pending_serialization = cx.spawn(async move |terminal_panel, cx| {
 882            cx.background_executor()
 883                .timer(Duration::from_millis(50))
 884                .await;
 885            let terminal_panel = terminal_panel.upgrade()?;
 886            let items = terminal_panel
 887                .update(cx, |terminal_panel, cx| {
 888                    SerializedItems::WithSplits(serialize_pane_group(
 889                        &terminal_panel.center,
 890                        &terminal_panel.active_pane,
 891                        cx,
 892                    ))
 893                })
 894                .ok()?;
 895            cx.background_spawn(
 896                async move {
 897                    KEY_VALUE_STORE
 898                        .write_kvp(
 899                            serialization_key,
 900                            serde_json::to_string(&SerializedTerminalPanel {
 901                                items,
 902                                active_item_id: None,
 903                                height,
 904                                width,
 905                            })?,
 906                        )
 907                        .await?;
 908                    anyhow::Ok(())
 909                }
 910                .log_err(),
 911            )
 912            .await;
 913            Some(())
 914        });
 915    }
 916
 917    fn replace_terminal(
 918        &self,
 919        spawn_task: SpawnInTerminal,
 920        task_pane: Entity<Pane>,
 921        terminal_item_index: usize,
 922        terminal_to_replace: Entity<TerminalView>,
 923        window: &mut Window,
 924        cx: &mut Context<Self>,
 925    ) -> Task<Result<WeakEntity<Terminal>>> {
 926        let reveal = spawn_task.reveal;
 927        let reveal_target = spawn_task.reveal_target;
 928        let task_workspace = self.workspace.clone();
 929        cx.spawn_in(window, async move |terminal_panel, cx| {
 930            let project = terminal_panel.update(cx, |this, cx| {
 931                this.workspace
 932                    .update(cx, |workspace, _| workspace.project().clone())
 933            })??;
 934            let new_terminal = project
 935                .update(cx, |project, cx| {
 936                    project.create_terminal_task(spawn_task, cx)
 937                })?
 938                .await?;
 939            terminal_to_replace.update_in(cx, |terminal_to_replace, window, cx| {
 940                terminal_to_replace.set_terminal(new_terminal.clone(), window, cx);
 941            })?;
 942
 943            match reveal {
 944                RevealStrategy::Always => match reveal_target {
 945                    RevealTarget::Center => {
 946                        task_workspace.update_in(cx, |workspace, window, cx| {
 947                            let did_activate = workspace.activate_item(
 948                                &terminal_to_replace,
 949                                true,
 950                                true,
 951                                window,
 952                                cx,
 953                            );
 954
 955                            anyhow::ensure!(did_activate, "Failed to retrieve terminal pane");
 956
 957                            anyhow::Ok(())
 958                        })??;
 959                    }
 960                    RevealTarget::Dock => {
 961                        terminal_panel.update_in(cx, |terminal_panel, window, cx| {
 962                            terminal_panel.activate_terminal_view(
 963                                &task_pane,
 964                                terminal_item_index,
 965                                true,
 966                                window,
 967                                cx,
 968                            )
 969                        })?;
 970
 971                        cx.spawn(async move |cx| {
 972                            task_workspace
 973                                .update_in(cx, |workspace, window, cx| {
 974                                    workspace.focus_panel::<Self>(window, cx)
 975                                })
 976                                .ok()
 977                        })
 978                        .detach();
 979                    }
 980                },
 981                RevealStrategy::NoFocus => match reveal_target {
 982                    RevealTarget::Center => {
 983                        task_workspace.update_in(cx, |workspace, window, cx| {
 984                            workspace.active_pane().focus_handle(cx).focus(window);
 985                        })?;
 986                    }
 987                    RevealTarget::Dock => {
 988                        terminal_panel.update_in(cx, |terminal_panel, window, cx| {
 989                            terminal_panel.activate_terminal_view(
 990                                &task_pane,
 991                                terminal_item_index,
 992                                false,
 993                                window,
 994                                cx,
 995                            )
 996                        })?;
 997
 998                        cx.spawn(async move |cx| {
 999                            task_workspace
1000                                .update_in(cx, |workspace, window, cx| {
1001                                    workspace.open_panel::<Self>(window, cx)
1002                                })
1003                                .ok()
1004                        })
1005                        .detach();
1006                    }
1007                },
1008                RevealStrategy::Never => {}
1009            }
1010
1011            Ok(new_terminal.downgrade())
1012        })
1013    }
1014
1015    fn has_no_terminals(&self, cx: &App) -> bool {
1016        self.active_pane.read(cx).items_len() == 0 && self.pending_terminals_to_add == 0
1017    }
1018
1019    pub fn assistant_enabled(&self) -> bool {
1020        self.assistant_enabled
1021    }
1022
1023    fn is_enabled(&self, cx: &App) -> bool {
1024        self.workspace
1025            .upgrade()
1026            .is_some_and(|workspace| is_enabled_in_workspace(workspace.read(cx), cx))
1027    }
1028
1029    fn activate_pane_in_direction(
1030        &mut self,
1031        direction: SplitDirection,
1032        window: &mut Window,
1033        cx: &mut Context<Self>,
1034    ) {
1035        if let Some(pane) = self
1036            .center
1037            .find_pane_in_direction(&self.active_pane, direction, cx)
1038        {
1039            window.focus(&pane.focus_handle(cx));
1040        } else {
1041            self.workspace
1042                .update(cx, |workspace, cx| {
1043                    workspace.activate_pane_in_direction(direction, window, cx)
1044                })
1045                .ok();
1046        }
1047    }
1048
1049    fn swap_pane_in_direction(&mut self, direction: SplitDirection, cx: &mut Context<Self>) {
1050        if let Some(to) = self
1051            .center
1052            .find_pane_in_direction(&self.active_pane, direction, cx)
1053            .cloned()
1054        {
1055            self.center.swap(&self.active_pane, &to);
1056            cx.notify();
1057        }
1058    }
1059}
1060
1061fn is_enabled_in_workspace(workspace: &Workspace, cx: &App) -> bool {
1062    workspace.project().read(cx).supports_terminal(cx)
1063}
1064
1065pub fn new_terminal_pane(
1066    workspace: WeakEntity<Workspace>,
1067    project: Entity<Project>,
1068    zoomed: bool,
1069    window: &mut Window,
1070    cx: &mut Context<TerminalPanel>,
1071) -> Entity<Pane> {
1072    let is_local = project.read(cx).is_local();
1073    let terminal_panel = cx.entity();
1074    let pane = cx.new(|cx| {
1075        let mut pane = Pane::new(
1076            workspace.clone(),
1077            project.clone(),
1078            Default::default(),
1079            None,
1080            NewTerminal.boxed_clone(),
1081            window,
1082            cx,
1083        );
1084        pane.set_zoomed(zoomed, cx);
1085        pane.set_can_navigate(false, cx);
1086        pane.display_nav_history_buttons(None);
1087        pane.set_should_display_tab_bar(|_, _| true);
1088        pane.set_zoom_out_on_close(false);
1089
1090        let split_closure_terminal_panel = terminal_panel.downgrade();
1091        pane.set_can_split(Some(Arc::new(move |pane, dragged_item, _window, cx| {
1092            if let Some(tab) = dragged_item.downcast_ref::<DraggedTab>() {
1093                let is_current_pane = tab.pane == cx.entity();
1094                let Some(can_drag_away) = split_closure_terminal_panel
1095                    .read_with(cx, |terminal_panel, _| {
1096                        let current_panes = terminal_panel.center.panes();
1097                        !current_panes.contains(&&tab.pane)
1098                            || current_panes.len() > 1
1099                            || (!is_current_pane || pane.items_len() > 1)
1100                    })
1101                    .ok()
1102                else {
1103                    return false;
1104                };
1105                if can_drag_away {
1106                    let item = if is_current_pane {
1107                        pane.item_for_index(tab.ix)
1108                    } else {
1109                        tab.pane.read(cx).item_for_index(tab.ix)
1110                    };
1111                    if let Some(item) = item {
1112                        return item.downcast::<TerminalView>().is_some();
1113                    }
1114                }
1115            }
1116            false
1117        })));
1118
1119        let buffer_search_bar = cx.new(|cx| {
1120            search::BufferSearchBar::new(Some(project.read(cx).languages().clone()), window, cx)
1121        });
1122        let breadcrumbs = cx.new(|_| Breadcrumbs::new());
1123        pane.toolbar().update(cx, |toolbar, cx| {
1124            toolbar.add_item(buffer_search_bar, window, cx);
1125            toolbar.add_item(breadcrumbs, window, cx);
1126        });
1127
1128        let drop_closure_project = project.downgrade();
1129        let drop_closure_terminal_panel = terminal_panel.downgrade();
1130        pane.set_custom_drop_handle(cx, move |pane, dropped_item, window, cx| {
1131            let Some(project) = drop_closure_project.upgrade() else {
1132                return ControlFlow::Break(());
1133            };
1134            if let Some(tab) = dropped_item.downcast_ref::<DraggedTab>() {
1135                let this_pane = cx.entity();
1136                let item = if tab.pane == this_pane {
1137                    pane.item_for_index(tab.ix)
1138                } else {
1139                    tab.pane.read(cx).item_for_index(tab.ix)
1140                };
1141                if let Some(item) = item {
1142                    if item.downcast::<TerminalView>().is_some() {
1143                        let source = tab.pane.clone();
1144                        let item_id_to_move = item.item_id();
1145
1146                        let Ok(new_split_pane) = pane
1147                            .drag_split_direction()
1148                            .map(|split_direction| {
1149                                drop_closure_terminal_panel.update(cx, |terminal_panel, cx| {
1150                                    let is_zoomed = if terminal_panel.active_pane == this_pane {
1151                                        pane.is_zoomed()
1152                                    } else {
1153                                        terminal_panel.active_pane.read(cx).is_zoomed()
1154                                    };
1155                                    let new_pane = new_terminal_pane(
1156                                        workspace.clone(),
1157                                        project.clone(),
1158                                        is_zoomed,
1159                                        window,
1160                                        cx,
1161                                    );
1162                                    terminal_panel.apply_tab_bar_buttons(&new_pane, cx);
1163                                    terminal_panel.center.split(
1164                                        &this_pane,
1165                                        &new_pane,
1166                                        split_direction,
1167                                    )?;
1168                                    anyhow::Ok(new_pane)
1169                                })
1170                            })
1171                            .transpose()
1172                        else {
1173                            return ControlFlow::Break(());
1174                        };
1175
1176                        match new_split_pane.transpose() {
1177                            // Source pane may be the one currently updated, so defer the move.
1178                            Ok(Some(new_pane)) => cx
1179                                .spawn_in(window, async move |_, cx| {
1180                                    cx.update(|window, cx| {
1181                                        move_item(
1182                                            &source,
1183                                            &new_pane,
1184                                            item_id_to_move,
1185                                            new_pane.read(cx).active_item_index(),
1186                                            true,
1187                                            window,
1188                                            cx,
1189                                        );
1190                                    })
1191                                    .ok();
1192                                })
1193                                .detach(),
1194                            // If we drop into existing pane or current pane,
1195                            // regular pane drop handler will take care of it,
1196                            // using the right tab index for the operation.
1197                            Ok(None) => return ControlFlow::Continue(()),
1198                            err @ Err(_) => {
1199                                err.log_err();
1200                                return ControlFlow::Break(());
1201                            }
1202                        };
1203                    } else if let Some(project_path) = item.project_path(cx)
1204                        && let Some(entry_path) = project.read(cx).absolute_path(&project_path, cx)
1205                    {
1206                        add_paths_to_terminal(pane, &[entry_path], window, cx);
1207                    }
1208                }
1209            } else if let Some(selection) = dropped_item.downcast_ref::<DraggedSelection>() {
1210                let project = project.read(cx);
1211                let paths_to_add = selection
1212                    .items()
1213                    .map(|selected_entry| selected_entry.entry_id)
1214                    .filter_map(|entry_id| project.path_for_entry(entry_id, cx))
1215                    .filter_map(|project_path| project.absolute_path(&project_path, cx))
1216                    .collect::<Vec<_>>();
1217                if !paths_to_add.is_empty() {
1218                    add_paths_to_terminal(pane, &paths_to_add, window, cx);
1219                }
1220            } else if let Some(&entry_id) = dropped_item.downcast_ref::<ProjectEntryId>() {
1221                if let Some(entry_path) = project
1222                    .read(cx)
1223                    .path_for_entry(entry_id, cx)
1224                    .and_then(|project_path| project.read(cx).absolute_path(&project_path, cx))
1225                {
1226                    add_paths_to_terminal(pane, &[entry_path], window, cx);
1227                }
1228            } else if is_local && let Some(paths) = dropped_item.downcast_ref::<ExternalPaths>() {
1229                add_paths_to_terminal(pane, paths.paths(), window, cx);
1230            }
1231
1232            ControlFlow::Break(())
1233        });
1234
1235        pane
1236    });
1237
1238    cx.subscribe_in(&pane, window, TerminalPanel::handle_pane_event)
1239        .detach();
1240    cx.observe(&pane, |_, _, cx| cx.notify()).detach();
1241
1242    pane
1243}
1244
1245async fn wait_for_terminals_tasks(
1246    terminals_for_task: Vec<(usize, Entity<Pane>, Entity<TerminalView>)>,
1247    cx: &mut AsyncApp,
1248) {
1249    let pending_tasks = terminals_for_task.iter().filter_map(|(_, _, terminal)| {
1250        terminal
1251            .update(cx, |terminal_view, cx| {
1252                terminal_view
1253                    .terminal()
1254                    .update(cx, |terminal, cx| terminal.wait_for_completed_task(cx))
1255            })
1256            .ok()
1257    });
1258    join_all(pending_tasks).await;
1259}
1260
1261fn add_paths_to_terminal(
1262    pane: &mut Pane,
1263    paths: &[PathBuf],
1264    window: &mut Window,
1265    cx: &mut Context<Pane>,
1266) {
1267    if let Some(terminal_view) = pane
1268        .active_item()
1269        .and_then(|item| item.downcast::<TerminalView>())
1270    {
1271        window.focus(&terminal_view.focus_handle(cx));
1272        let mut new_text = paths.iter().map(|path| format!(" {path:?}")).join("");
1273        new_text.push(' ');
1274        terminal_view.update(cx, |terminal_view, cx| {
1275            terminal_view.terminal().update(cx, |terminal, _| {
1276                terminal.paste(&new_text);
1277            });
1278        });
1279    }
1280}
1281
1282impl EventEmitter<PanelEvent> for TerminalPanel {}
1283
1284impl Render for TerminalPanel {
1285    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1286        let mut registrar = DivRegistrar::new(
1287            |panel, _, cx| {
1288                panel
1289                    .active_pane
1290                    .read(cx)
1291                    .toolbar()
1292                    .read(cx)
1293                    .item_of_type::<BufferSearchBar>()
1294            },
1295            cx,
1296        );
1297        BufferSearchBar::register(&mut registrar);
1298        let registrar = registrar.into_div();
1299        self.workspace
1300            .update(cx, |workspace, cx| {
1301                registrar.size_full().child(self.center.render(
1302                    workspace.zoomed_item(),
1303                    &workspace::PaneRenderContext {
1304                        follower_states: &HashMap::default(),
1305                        active_call: workspace.active_call(),
1306                        active_pane: &self.active_pane,
1307                        app_state: workspace.app_state(),
1308                        project: workspace.project(),
1309                        workspace: &workspace.weak_handle(),
1310                    },
1311                    window,
1312                    cx,
1313                ))
1314            })
1315            .ok()
1316            .map(|div| {
1317                div.on_action({
1318                    cx.listener(|terminal_panel, _: &ActivatePaneLeft, window, cx| {
1319                        terminal_panel.activate_pane_in_direction(SplitDirection::Left, window, cx);
1320                    })
1321                })
1322                .on_action({
1323                    cx.listener(|terminal_panel, _: &ActivatePaneRight, window, cx| {
1324                        terminal_panel.activate_pane_in_direction(
1325                            SplitDirection::Right,
1326                            window,
1327                            cx,
1328                        );
1329                    })
1330                })
1331                .on_action({
1332                    cx.listener(|terminal_panel, _: &ActivatePaneUp, window, cx| {
1333                        terminal_panel.activate_pane_in_direction(SplitDirection::Up, window, cx);
1334                    })
1335                })
1336                .on_action({
1337                    cx.listener(|terminal_panel, _: &ActivatePaneDown, window, cx| {
1338                        terminal_panel.activate_pane_in_direction(SplitDirection::Down, window, cx);
1339                    })
1340                })
1341                .on_action(
1342                    cx.listener(|terminal_panel, _action: &ActivateNextPane, window, cx| {
1343                        let panes = terminal_panel.center.panes();
1344                        if let Some(ix) = panes
1345                            .iter()
1346                            .position(|pane| **pane == terminal_panel.active_pane)
1347                        {
1348                            let next_ix = (ix + 1) % panes.len();
1349                            window.focus(&panes[next_ix].focus_handle(cx));
1350                        }
1351                    }),
1352                )
1353                .on_action(cx.listener(
1354                    |terminal_panel, _action: &ActivatePreviousPane, window, cx| {
1355                        let panes = terminal_panel.center.panes();
1356                        if let Some(ix) = panes
1357                            .iter()
1358                            .position(|pane| **pane == terminal_panel.active_pane)
1359                        {
1360                            let prev_ix = cmp::min(ix.wrapping_sub(1), panes.len() - 1);
1361                            window.focus(&panes[prev_ix].focus_handle(cx));
1362                        }
1363                    },
1364                ))
1365                .on_action(
1366                    cx.listener(|terminal_panel, action: &ActivatePane, window, cx| {
1367                        let panes = terminal_panel.center.panes();
1368                        if let Some(&pane) = panes.get(action.0) {
1369                            window.focus(&pane.read(cx).focus_handle(cx));
1370                        } else {
1371                            let future =
1372                                terminal_panel.new_pane_with_cloned_active_terminal(window, cx);
1373                            cx.spawn_in(window, async move |terminal_panel, cx| {
1374                                if let Some(new_pane) = future.await {
1375                                    _ = terminal_panel.update_in(
1376                                        cx,
1377                                        |terminal_panel, window, cx| {
1378                                            terminal_panel
1379                                                .center
1380                                                .split(
1381                                                    &terminal_panel.active_pane,
1382                                                    &new_pane,
1383                                                    SplitDirection::Right,
1384                                                )
1385                                                .log_err();
1386                                            let new_pane = new_pane.read(cx);
1387                                            window.focus(&new_pane.focus_handle(cx));
1388                                        },
1389                                    );
1390                                }
1391                            })
1392                            .detach();
1393                        }
1394                    }),
1395                )
1396                .on_action(cx.listener(|terminal_panel, _: &SwapPaneLeft, _, cx| {
1397                    terminal_panel.swap_pane_in_direction(SplitDirection::Left, cx);
1398                }))
1399                .on_action(cx.listener(|terminal_panel, _: &SwapPaneRight, _, cx| {
1400                    terminal_panel.swap_pane_in_direction(SplitDirection::Right, cx);
1401                }))
1402                .on_action(cx.listener(|terminal_panel, _: &SwapPaneUp, _, cx| {
1403                    terminal_panel.swap_pane_in_direction(SplitDirection::Up, cx);
1404                }))
1405                .on_action(cx.listener(|terminal_panel, _: &SwapPaneDown, _, cx| {
1406                    terminal_panel.swap_pane_in_direction(SplitDirection::Down, cx);
1407                }))
1408                .on_action(
1409                    cx.listener(|terminal_panel, action: &MoveItemToPane, window, cx| {
1410                        let Some(&target_pane) =
1411                            terminal_panel.center.panes().get(action.destination)
1412                        else {
1413                            return;
1414                        };
1415                        move_active_item(
1416                            &terminal_panel.active_pane,
1417                            target_pane,
1418                            action.focus,
1419                            true,
1420                            window,
1421                            cx,
1422                        );
1423                    }),
1424                )
1425                .on_action(cx.listener(
1426                    |terminal_panel, action: &MoveItemToPaneInDirection, window, cx| {
1427                        let source_pane = &terminal_panel.active_pane;
1428                        if let Some(destination_pane) = terminal_panel
1429                            .center
1430                            .find_pane_in_direction(source_pane, action.direction, cx)
1431                        {
1432                            move_active_item(
1433                                source_pane,
1434                                destination_pane,
1435                                action.focus,
1436                                true,
1437                                window,
1438                                cx,
1439                            );
1440                        };
1441                    },
1442                ))
1443            })
1444            .unwrap_or_else(|| div())
1445    }
1446}
1447
1448impl Focusable for TerminalPanel {
1449    fn focus_handle(&self, cx: &App) -> FocusHandle {
1450        self.active_pane.focus_handle(cx)
1451    }
1452}
1453
1454impl Panel for TerminalPanel {
1455    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1456        match TerminalSettings::get_global(cx).dock {
1457            TerminalDockPosition::Left => DockPosition::Left,
1458            TerminalDockPosition::Bottom => DockPosition::Bottom,
1459            TerminalDockPosition::Right => DockPosition::Right,
1460        }
1461    }
1462
1463    fn position_is_valid(&self, _: DockPosition) -> bool {
1464        true
1465    }
1466
1467    fn set_position(
1468        &mut self,
1469        position: DockPosition,
1470        _window: &mut Window,
1471        cx: &mut Context<Self>,
1472    ) {
1473        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
1474            let dock = match position {
1475                DockPosition::Left => TerminalDockPosition::Left,
1476                DockPosition::Bottom => TerminalDockPosition::Bottom,
1477                DockPosition::Right => TerminalDockPosition::Right,
1478            };
1479            settings.terminal.get_or_insert_default().dock = Some(dock);
1480        });
1481    }
1482
1483    fn size(&self, window: &Window, cx: &App) -> Pixels {
1484        let settings = TerminalSettings::get_global(cx);
1485        match self.position(window, cx) {
1486            DockPosition::Left | DockPosition::Right => {
1487                self.width.unwrap_or(settings.default_width)
1488            }
1489            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1490        }
1491    }
1492
1493    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1494        match self.position(window, cx) {
1495            DockPosition::Left | DockPosition::Right => self.width = size,
1496            DockPosition::Bottom => self.height = size,
1497        }
1498        cx.notify();
1499        cx.defer_in(window, |this, _, cx| {
1500            this.serialize(cx);
1501        })
1502    }
1503
1504    fn is_zoomed(&self, _window: &Window, cx: &App) -> bool {
1505        self.active_pane.read(cx).is_zoomed()
1506    }
1507
1508    fn set_zoomed(&mut self, zoomed: bool, _: &mut Window, cx: &mut Context<Self>) {
1509        for pane in self.center.panes() {
1510            pane.update(cx, |pane, cx| {
1511                pane.set_zoomed(zoomed, cx);
1512            })
1513        }
1514        cx.notify();
1515    }
1516
1517    fn set_active(&mut self, active: bool, window: &mut Window, cx: &mut Context<Self>) {
1518        let old_active = self.active;
1519        self.active = active;
1520        if !active || old_active == active || !self.has_no_terminals(cx) {
1521            return;
1522        }
1523        cx.defer_in(window, |this, window, cx| {
1524            let Ok(kind) = this
1525                .workspace
1526                .update(cx, |workspace, cx| default_working_directory(workspace, cx))
1527            else {
1528                return;
1529            };
1530
1531            this.add_terminal_shell(kind, RevealStrategy::Always, window, cx)
1532                .detach_and_log_err(cx)
1533        })
1534    }
1535
1536    fn icon_label(&self, _window: &Window, cx: &App) -> Option<String> {
1537        let count = self
1538            .center
1539            .panes()
1540            .into_iter()
1541            .map(|pane| pane.read(cx).items_len())
1542            .sum::<usize>();
1543        if count == 0 {
1544            None
1545        } else {
1546            Some(count.to_string())
1547        }
1548    }
1549
1550    fn persistent_name() -> &'static str {
1551        "TerminalPanel"
1552    }
1553
1554    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1555        if (self.is_enabled(cx) || !self.has_no_terminals(cx))
1556            && TerminalSettings::get_global(cx).button
1557        {
1558            Some(IconName::TerminalAlt)
1559        } else {
1560            None
1561        }
1562    }
1563
1564    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1565        Some("Terminal Panel")
1566    }
1567
1568    fn toggle_action(&self) -> Box<dyn gpui::Action> {
1569        Box::new(ToggleFocus)
1570    }
1571
1572    fn pane(&self) -> Option<Entity<Pane>> {
1573        Some(self.active_pane.clone())
1574    }
1575
1576    fn activation_priority(&self) -> u32 {
1577        1
1578    }
1579}
1580
1581struct TerminalProvider(Entity<TerminalPanel>);
1582
1583impl workspace::TerminalProvider for TerminalProvider {
1584    fn spawn(
1585        &self,
1586        task: SpawnInTerminal,
1587        window: &mut Window,
1588        cx: &mut App,
1589    ) -> Task<Option<Result<ExitStatus>>> {
1590        let terminal_panel = self.0.clone();
1591        window.spawn(cx, async move |cx| {
1592            let terminal = terminal_panel
1593                .update_in(cx, |terminal_panel, window, cx| {
1594                    terminal_panel.spawn_task(&task, window, cx)
1595                })
1596                .ok()?
1597                .await;
1598            match terminal {
1599                Ok(terminal) => {
1600                    let exit_status = terminal
1601                        .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))
1602                        .ok()?
1603                        .await?;
1604                    Some(Ok(exit_status))
1605                }
1606                Err(e) => Some(Err(e)),
1607            }
1608        })
1609    }
1610}
1611
1612struct InlineAssistTabBarButton {
1613    focus_handle: FocusHandle,
1614}
1615
1616impl Render for InlineAssistTabBarButton {
1617    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1618        let focus_handle = self.focus_handle.clone();
1619        IconButton::new("terminal_inline_assistant", IconName::ZedAssistant)
1620            .icon_size(IconSize::Small)
1621            .on_click(cx.listener(|_, _, window, cx| {
1622                window.dispatch_action(InlineAssist::default().boxed_clone(), cx);
1623            }))
1624            .tooltip(move |window, cx| {
1625                Tooltip::for_action_in(
1626                    "Inline Assist",
1627                    &InlineAssist::default(),
1628                    &focus_handle,
1629                    window,
1630                    cx,
1631                )
1632            })
1633    }
1634}
1635
1636#[cfg(test)]
1637mod tests {
1638    use super::*;
1639    use gpui::TestAppContext;
1640    use pretty_assertions::assert_eq;
1641    use project::FakeFs;
1642    use settings::SettingsStore;
1643
1644    #[gpui::test]
1645    async fn test_spawn_an_empty_task(cx: &mut TestAppContext) {
1646        init_test(cx);
1647
1648        let fs = FakeFs::new(cx.executor());
1649        let project = Project::test(fs, [], cx).await;
1650        let workspace = cx.add_window(|window, cx| Workspace::test_new(project, window, cx));
1651
1652        let (window_handle, terminal_panel) = workspace
1653            .update(cx, |workspace, window, cx| {
1654                let window_handle = window.window_handle();
1655                let terminal_panel = cx.new(|cx| TerminalPanel::new(workspace, window, cx));
1656                (window_handle, terminal_panel)
1657            })
1658            .unwrap();
1659
1660        let task = window_handle
1661            .update(cx, |_, window, cx| {
1662                terminal_panel.update(cx, |terminal_panel, cx| {
1663                    terminal_panel.spawn_task(&SpawnInTerminal::default(), window, cx)
1664                })
1665            })
1666            .unwrap();
1667
1668        let terminal = task.await.unwrap();
1669        let expected_shell = util::get_system_shell();
1670        terminal
1671            .update(cx, |terminal, _| {
1672                let task_metadata = terminal
1673                    .task()
1674                    .expect("When spawning a task, should have the task metadata")
1675                    .spawned_task
1676                    .clone();
1677                assert_eq!(task_metadata.env, HashMap::default());
1678                assert_eq!(task_metadata.cwd, None);
1679                assert_eq!(task_metadata.shell, task::Shell::System);
1680                assert_eq!(
1681                    task_metadata.command,
1682                    Some(expected_shell.clone()),
1683                    "Empty tasks should spawn a -i shell"
1684                );
1685                assert_eq!(task_metadata.args, Vec::<String>::new());
1686                assert_eq!(
1687                    task_metadata.command_label, expected_shell,
1688                    "We show the shell launch for empty commands"
1689                );
1690            })
1691            .unwrap();
1692    }
1693
1694    // A complex Unix command won't be properly parsed by the Windows terminal hence omit the test there.
1695    #[cfg(unix)]
1696    #[gpui::test]
1697    async fn test_spawn_script_like_task(cx: &mut TestAppContext) {
1698        init_test(cx);
1699
1700        let fs = FakeFs::new(cx.executor());
1701        let project = Project::test(fs, [], cx).await;
1702        let workspace = cx.add_window(|window, cx| Workspace::test_new(project, window, cx));
1703
1704        let (window_handle, terminal_panel) = workspace
1705            .update(cx, |workspace, window, cx| {
1706                let window_handle = window.window_handle();
1707                let terminal_panel = cx.new(|cx| TerminalPanel::new(workspace, window, cx));
1708                (window_handle, terminal_panel)
1709            })
1710            .unwrap();
1711
1712        let user_command = r#"REPO_URL=$(git remote get-url origin | sed -e \"s/^git@\\(.*\\):\\(.*\\)\\.git$/https:\\/\\/\\1\\/\\2/\"); COMMIT_SHA=$(git log -1 --format=\"%H\" -- \"${ZED_RELATIVE_FILE}\"); echo \"${REPO_URL}/blob/${COMMIT_SHA}/${ZED_RELATIVE_FILE}#L${ZED_ROW}-$(echo $(($(wc -l <<< \"$ZED_SELECTED_TEXT\") + $ZED_ROW - 1)))\" | xclip -selection clipboard"#.to_string();
1713
1714        let expected_cwd = PathBuf::from("/some/work");
1715        let task = window_handle
1716            .update(cx, |_, window, cx| {
1717                terminal_panel.update(cx, |terminal_panel, cx| {
1718                    terminal_panel.spawn_task(
1719                        &SpawnInTerminal {
1720                            command: Some(user_command.clone()),
1721                            cwd: Some(expected_cwd.clone()),
1722                            ..SpawnInTerminal::default()
1723                        },
1724                        window,
1725                        cx,
1726                    )
1727                })
1728            })
1729            .unwrap();
1730
1731        let terminal = task.await.unwrap();
1732        let shell = util::get_system_shell();
1733        terminal
1734            .update(cx, |terminal, _| {
1735                let task_metadata = terminal
1736                    .task()
1737                    .expect("When spawning a task, should have the task metadata")
1738                    .spawned_task
1739                    .clone();
1740                assert_eq!(task_metadata.env, HashMap::default());
1741                assert_eq!(task_metadata.cwd, Some(expected_cwd));
1742                assert_eq!(task_metadata.shell, task::Shell::System);
1743                assert_eq!(task_metadata.command, Some(shell.clone()));
1744                assert_eq!(
1745                    task_metadata.args,
1746                    vec!["-i".to_string(), "-c".to_string(), user_command.clone(),],
1747                    "Use command should have been moved into the arguments, as we're spawning a new -i shell",
1748                );
1749                assert_eq!(
1750                    task_metadata.command_label,
1751                    format!("{shell} {interactive}-c '{user_command}'", interactive = if cfg!(windows) {""} else {"-i "}),
1752                    "We want to show to the user the entire command spawned");
1753            })
1754            .unwrap();
1755    }
1756
1757    pub fn init_test(cx: &mut TestAppContext) {
1758        cx.update(|cx| {
1759            let store = SettingsStore::test(cx);
1760            cx.set_global(store);
1761            theme::init(theme::LoadThemes::JustBase, cx);
1762            client::init_settings(cx);
1763            language::init(cx);
1764            Project::init_settings(cx);
1765            workspace::init_settings(cx);
1766            editor::init(cx);
1767            crate::init(cx);
1768        });
1769    }
1770}