1use crate::persistence::DebuggerPaneItem;
   2use crate::session::DebugSession;
   3use crate::session::running::RunningState;
   4use crate::session::running::breakpoint_list::BreakpointList;
   5
   6use crate::{
   7    ClearAllBreakpoints, Continue, CopyDebugAdapterArguments, Detach, FocusBreakpointList,
   8    FocusConsole, FocusFrames, FocusLoadedSources, FocusModules, FocusTerminal, FocusVariables,
   9    NewProcessModal, NewProcessMode, Pause, RerunSession, StepInto, StepOut, StepOver, Stop,
  10    ToggleExpandItem, ToggleSessionPicker, ToggleThreadPicker, persistence, spawn_task_or_modal,
  11};
  12use anyhow::{Context as _, Result, anyhow};
  13use collections::IndexMap;
  14use dap::adapters::DebugAdapterName;
  15use dap::{DapRegistry, StartDebuggingRequestArguments};
  16use dap::{client::SessionId, debugger_settings::DebuggerSettings};
  17use editor::Editor;
  18use gpui::{
  19    Action, App, AsyncWindowContext, ClipboardItem, Context, DismissEvent, Entity, EntityId,
  20    EventEmitter, FocusHandle, Focusable, MouseButton, MouseDownEvent, Point, Subscription, Task,
  21    WeakEntity, anchored, deferred,
  22};
  23use text::ToPoint as _;
  24
  25use itertools::Itertools as _;
  26use language::Buffer;
  27use project::debugger::session::{Session, SessionQuirks, SessionState, SessionStateEvent};
  28use project::{DebugScenarioContext, Fs, ProjectPath, TaskSourceKind, WorktreeId};
  29use project::{Project, debugger::session::ThreadStatus};
  30use rpc::proto::{self};
  31use settings::Settings;
  32use std::sync::{Arc, LazyLock};
  33use task::{DebugScenario, TaskContext};
  34use tree_sitter::{Query, StreamingIterator as _};
  35use ui::{ContextMenu, Divider, PopoverMenuHandle, Tab, Tooltip, prelude::*};
  36use util::rel_path::RelPath;
  37use util::{ResultExt, debug_panic, maybe};
  38use workspace::SplitDirection;
  39use workspace::item::SaveOptions;
  40use workspace::{
  41    Item, Pane, Workspace,
  42    dock::{DockPosition, Panel, PanelEvent},
  43};
  44use zed_actions::ToggleFocus;
  45
  46const DEBUG_PANEL_KEY: &str = "DebugPanel";
  47
  48pub struct DebugPanel {
  49    size: Pixels,
  50    active_session: Option<Entity<DebugSession>>,
  51    project: Entity<Project>,
  52    workspace: WeakEntity<Workspace>,
  53    focus_handle: FocusHandle,
  54    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
  55    debug_scenario_scheduled_last: bool,
  56    pub(crate) sessions_with_children:
  57        IndexMap<Entity<DebugSession>, Vec<WeakEntity<DebugSession>>>,
  58    pub(crate) thread_picker_menu_handle: PopoverMenuHandle<ContextMenu>,
  59    pub(crate) session_picker_menu_handle: PopoverMenuHandle<ContextMenu>,
  60    fs: Arc<dyn Fs>,
  61    is_zoomed: bool,
  62    _subscriptions: [Subscription; 1],
  63    breakpoint_list: Entity<BreakpointList>,
  64}
  65
  66impl DebugPanel {
  67    pub fn new(
  68        workspace: &Workspace,
  69        window: &mut Window,
  70        cx: &mut Context<Workspace>,
  71    ) -> Entity<Self> {
  72        cx.new(|cx| {
  73            let project = workspace.project().clone();
  74            let focus_handle = cx.focus_handle();
  75            let thread_picker_menu_handle = PopoverMenuHandle::default();
  76            let session_picker_menu_handle = PopoverMenuHandle::default();
  77
  78            let focus_subscription = cx.on_focus(
  79                &focus_handle,
  80                window,
  81                |this: &mut DebugPanel, window, cx| {
  82                    this.focus_active_item(window, cx);
  83                },
  84            );
  85
  86            Self {
  87                size: px(300.),
  88                sessions_with_children: Default::default(),
  89                active_session: None,
  90                focus_handle,
  91                breakpoint_list: BreakpointList::new(
  92                    None,
  93                    workspace.weak_handle(),
  94                    &project,
  95                    window,
  96                    cx,
  97                ),
  98                project,
  99                workspace: workspace.weak_handle(),
 100                context_menu: None,
 101                fs: workspace.app_state().fs.clone(),
 102                thread_picker_menu_handle,
 103                session_picker_menu_handle,
 104                is_zoomed: false,
 105                _subscriptions: [focus_subscription],
 106                debug_scenario_scheduled_last: true,
 107            }
 108        })
 109    }
 110
 111    pub(crate) fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 112        let Some(session) = self.active_session.clone() else {
 113            return;
 114        };
 115        let active_pane = session
 116            .read(cx)
 117            .running_state()
 118            .read(cx)
 119            .active_pane()
 120            .clone();
 121        active_pane.update(cx, |pane, cx| {
 122            pane.focus_active_item(window, cx);
 123        });
 124    }
 125
 126    #[cfg(test)]
 127    pub(crate) fn sessions(&self) -> impl Iterator<Item = Entity<DebugSession>> {
 128        self.sessions_with_children.keys().cloned()
 129    }
 130
 131    pub fn active_session(&self) -> Option<Entity<DebugSession>> {
 132        self.active_session.clone()
 133    }
 134
 135    pub(crate) fn running_state(&self, cx: &mut App) -> Option<Entity<RunningState>> {
 136        self.active_session()
 137            .map(|session| session.read(cx).running_state().clone())
 138    }
 139
 140    pub fn project(&self) -> &Entity<Project> {
 141        &self.project
 142    }
 143
 144    pub fn load(
 145        workspace: WeakEntity<Workspace>,
 146        cx: &mut AsyncWindowContext,
 147    ) -> Task<Result<Entity<Self>>> {
 148        cx.spawn(async move |cx| {
 149            workspace.update_in(cx, |workspace, window, cx| {
 150                let debug_panel = DebugPanel::new(workspace, window, cx);
 151
 152                workspace.register_action(|workspace, _: &ClearAllBreakpoints, _, cx| {
 153                    workspace.project().read(cx).breakpoint_store().update(
 154                        cx,
 155                        |breakpoint_store, cx| {
 156                            breakpoint_store.clear_breakpoints(cx);
 157                        },
 158                    )
 159                });
 160
 161                workspace.set_debugger_provider(DebuggerProvider(debug_panel.clone()));
 162
 163                debug_panel
 164            })
 165        })
 166    }
 167
 168    pub fn start_session(
 169        &mut self,
 170        scenario: DebugScenario,
 171        task_context: TaskContext,
 172        active_buffer: Option<Entity<Buffer>>,
 173        worktree_id: Option<WorktreeId>,
 174        window: &mut Window,
 175        cx: &mut Context<Self>,
 176    ) {
 177        let dap_store = self.project.read(cx).dap_store();
 178        let Some(adapter) = DapRegistry::global(cx).adapter(&scenario.adapter) else {
 179            return;
 180        };
 181        let quirks = SessionQuirks {
 182            compact: adapter.compact_child_session(),
 183            prefer_thread_name: adapter.prefer_thread_name(),
 184        };
 185        let session = dap_store.update(cx, |dap_store, cx| {
 186            dap_store.new_session(
 187                Some(scenario.label.clone()),
 188                DebugAdapterName(scenario.adapter.clone()),
 189                task_context.clone(),
 190                None,
 191                quirks,
 192                cx,
 193            )
 194        });
 195        let worktree = worktree_id.or_else(|| {
 196            active_buffer
 197                .as_ref()
 198                .and_then(|buffer| buffer.read(cx).file())
 199                .map(|f| f.worktree_id(cx))
 200        });
 201
 202        let Some(worktree) = worktree
 203            .and_then(|id| self.project.read(cx).worktree_for_id(id, cx))
 204            .or_else(|| self.project.read(cx).visible_worktrees(cx).next())
 205        else {
 206            log::debug!("Could not find a worktree to spawn the debug session in");
 207            return;
 208        };
 209
 210        self.debug_scenario_scheduled_last = true;
 211        if let Some(inventory) = self
 212            .project
 213            .read(cx)
 214            .task_store()
 215            .read(cx)
 216            .task_inventory()
 217            .cloned()
 218        {
 219            inventory.update(cx, |inventory, _| {
 220                inventory.scenario_scheduled(
 221                    scenario.clone(),
 222                    // todo(debugger): Task context is cloned three times
 223                    // once in Session,inventory, and in resolve scenario
 224                    // we should wrap it in an RC instead to save some memory
 225                    task_context.clone(),
 226                    worktree_id,
 227                    active_buffer.as_ref().map(|buffer| buffer.downgrade()),
 228                );
 229            })
 230        }
 231        let task = cx.spawn_in(window, {
 232            let session = session.clone();
 233            async move |this, cx| {
 234                let debug_session =
 235                    Self::register_session(this.clone(), session.clone(), true, cx).await?;
 236                let definition = debug_session
 237                    .update_in(cx, |debug_session, window, cx| {
 238                        debug_session.running_state().update(cx, |running, cx| {
 239                            if scenario.build.is_some() {
 240                                running.scenario = Some(scenario.clone());
 241                                running.scenario_context = Some(DebugScenarioContext {
 242                                    active_buffer: active_buffer
 243                                        .as_ref()
 244                                        .map(|entity| entity.downgrade()),
 245                                    task_context: task_context.clone(),
 246                                    worktree_id,
 247                                });
 248                            };
 249                            running.resolve_scenario(
 250                                scenario,
 251                                task_context,
 252                                active_buffer,
 253                                worktree_id,
 254                                window,
 255                                cx,
 256                            )
 257                        })
 258                    })?
 259                    .await?;
 260                dap_store
 261                    .update(cx, |dap_store, cx| {
 262                        dap_store.boot_session(session.clone(), definition, worktree, cx)
 263                    })?
 264                    .await
 265            }
 266        });
 267
 268        let boot_task = cx.spawn({
 269            let session = session.clone();
 270
 271            async move |_, cx| {
 272                if let Err(error) = task.await {
 273                    log::error!("{error:#}");
 274                    session
 275                        .update(cx, |session, cx| {
 276                            session
 277                                .console_output(cx)
 278                                .unbounded_send(format!("error: {:#}", error))
 279                                .ok();
 280                            session.shutdown(cx)
 281                        })?
 282                        .await;
 283                }
 284                anyhow::Ok(())
 285            }
 286        });
 287
 288        session.update(cx, |session, _| match &mut session.mode {
 289            SessionState::Booting(state_task) => {
 290                *state_task = Some(boot_task);
 291            }
 292            SessionState::Running(_) => {
 293                debug_panic!("Session state should be in building because we are just starting it");
 294            }
 295        });
 296    }
 297
 298    pub(crate) fn rerun_last_session(
 299        &mut self,
 300        workspace: &mut Workspace,
 301        window: &mut Window,
 302        cx: &mut Context<Self>,
 303    ) {
 304        let task_store = workspace.project().read(cx).task_store().clone();
 305        let Some(task_inventory) = task_store.read(cx).task_inventory() else {
 306            return;
 307        };
 308        let workspace = self.workspace.clone();
 309        let Some((scenario, context)) = task_inventory.read(cx).last_scheduled_scenario().cloned()
 310        else {
 311            window.defer(cx, move |window, cx| {
 312                workspace
 313                    .update(cx, |workspace, cx| {
 314                        NewProcessModal::show(workspace, window, NewProcessMode::Debug, None, cx);
 315                    })
 316                    .ok();
 317            });
 318            return;
 319        };
 320
 321        let DebugScenarioContext {
 322            task_context,
 323            worktree_id,
 324            active_buffer,
 325        } = context;
 326
 327        let active_buffer = active_buffer.and_then(|buffer| buffer.upgrade());
 328
 329        self.start_session(
 330            scenario,
 331            task_context,
 332            active_buffer,
 333            worktree_id,
 334            window,
 335            cx,
 336        );
 337    }
 338
 339    pub(crate) async fn register_session(
 340        this: WeakEntity<Self>,
 341        session: Entity<Session>,
 342        focus: bool,
 343        cx: &mut AsyncWindowContext,
 344    ) -> Result<Entity<DebugSession>> {
 345        let debug_session = register_session_inner(&this, session, cx).await?;
 346
 347        let workspace = this.update_in(cx, |this, window, cx| {
 348            if focus {
 349                this.activate_session(debug_session.clone(), window, cx);
 350            }
 351
 352            this.workspace.clone()
 353        })?;
 354        workspace.update_in(cx, |workspace, window, cx| {
 355            workspace.focus_panel::<Self>(window, cx);
 356        })?;
 357        Ok(debug_session)
 358    }
 359
 360    pub(crate) fn handle_restart_request(
 361        &mut self,
 362        mut curr_session: Entity<Session>,
 363        window: &mut Window,
 364        cx: &mut Context<Self>,
 365    ) {
 366        while let Some(parent_session) = curr_session.read(cx).parent_session().cloned() {
 367            curr_session = parent_session;
 368        }
 369
 370        let Some(worktree) = curr_session.read(cx).worktree() else {
 371            log::error!("Attempted to restart a non-running session");
 372            return;
 373        };
 374
 375        let dap_store_handle = self.project.read(cx).dap_store();
 376        let label = curr_session.read(cx).label();
 377        let quirks = curr_session.read(cx).quirks();
 378        let adapter = curr_session.read(cx).adapter();
 379        let binary = curr_session.read(cx).binary().cloned().unwrap();
 380        let task_context = curr_session.read(cx).task_context().clone();
 381
 382        let curr_session_id = curr_session.read(cx).session_id();
 383        self.sessions_with_children
 384            .retain(|session, _| session.read(cx).session_id(cx) != curr_session_id);
 385        let task = dap_store_handle.update(cx, |dap_store, cx| {
 386            dap_store.shutdown_session(curr_session_id, cx)
 387        });
 388
 389        cx.spawn_in(window, async move |this, cx| {
 390            task.await.log_err();
 391
 392            let (session, task) = dap_store_handle.update(cx, |dap_store, cx| {
 393                let session = dap_store.new_session(label, adapter, task_context, None, quirks, cx);
 394
 395                let task = session.update(cx, |session, cx| {
 396                    session.boot(binary, worktree, dap_store_handle.downgrade(), cx)
 397                });
 398                (session, task)
 399            })?;
 400            Self::register_session(this.clone(), session.clone(), true, cx).await?;
 401
 402            if let Err(error) = task.await {
 403                session
 404                    .update(cx, |session, cx| {
 405                        session
 406                            .console_output(cx)
 407                            .unbounded_send(format!(
 408                                "Session failed to restart with error: {}",
 409                                error
 410                            ))
 411                            .ok();
 412                        session.shutdown(cx)
 413                    })?
 414                    .await;
 415
 416                return Err(error);
 417            };
 418
 419            Ok(())
 420        })
 421        .detach_and_log_err(cx);
 422    }
 423
 424    pub fn handle_start_debugging_request(
 425        &mut self,
 426        request: &StartDebuggingRequestArguments,
 427        parent_session: Entity<Session>,
 428        window: &mut Window,
 429        cx: &mut Context<Self>,
 430    ) {
 431        let Some(worktree) = parent_session.read(cx).worktree() else {
 432            log::error!("Attempted to start a child-session from a non-running session");
 433            return;
 434        };
 435
 436        let dap_store_handle = self.project.read(cx).dap_store();
 437        let label = self.label_for_child_session(&parent_session, request, cx);
 438        let adapter = parent_session.read(cx).adapter();
 439        let quirks = parent_session.read(cx).quirks();
 440        let Some(mut binary) = parent_session.read(cx).binary().cloned() else {
 441            log::error!("Attempted to start a child-session without a binary");
 442            return;
 443        };
 444        let task_context = parent_session.read(cx).task_context().clone();
 445        binary.request_args = request.clone();
 446        cx.spawn_in(window, async move |this, cx| {
 447            let (session, task) = dap_store_handle.update(cx, |dap_store, cx| {
 448                let session = dap_store.new_session(
 449                    label,
 450                    adapter,
 451                    task_context,
 452                    Some(parent_session.clone()),
 453                    quirks,
 454                    cx,
 455                );
 456
 457                let task = session.update(cx, |session, cx| {
 458                    session.boot(binary, worktree, dap_store_handle.downgrade(), cx)
 459                });
 460                (session, task)
 461            })?;
 462            // Focus child sessions if the parent has never emitted a stopped event;
 463            // this improves our JavaScript experience, as it always spawns a "main" session that then spawns subsessions.
 464            let parent_ever_stopped =
 465                parent_session.update(cx, |this, _| this.has_ever_stopped())?;
 466            Self::register_session(this, session, !parent_ever_stopped, cx).await?;
 467            task.await
 468        })
 469        .detach_and_log_err(cx);
 470    }
 471
 472    pub(crate) fn close_session(
 473        &mut self,
 474        entity_id: EntityId,
 475        window: &mut Window,
 476        cx: &mut Context<Self>,
 477    ) {
 478        let Some(session) = self
 479            .sessions_with_children
 480            .keys()
 481            .find(|other| entity_id == other.entity_id())
 482            .cloned()
 483        else {
 484            return;
 485        };
 486        session.update(cx, |this, cx| {
 487            this.running_state().update(cx, |this, cx| {
 488                this.serialize_layout(window, cx);
 489            });
 490        });
 491        let session_id = session.update(cx, |this, cx| this.session_id(cx));
 492        let should_prompt = self
 493            .project
 494            .update(cx, |this, cx| {
 495                let session = this.dap_store().read(cx).session_by_id(session_id);
 496                session.map(|session| !session.read(cx).is_terminated())
 497            })
 498            .unwrap_or_default();
 499
 500        cx.spawn_in(window, async move |this, cx| {
 501            if should_prompt {
 502                let response = cx.prompt(
 503                    gpui::PromptLevel::Warning,
 504                    "This Debug Session is still running. Are you sure you want to terminate it?",
 505                    None,
 506                    &["Yes", "No"],
 507                );
 508                if response.await == Ok(1) {
 509                    return;
 510                }
 511            }
 512            session.update(cx, |session, cx| session.shutdown(cx)).ok();
 513            this.update(cx, |this, cx| {
 514                this.retain_sessions(|other| entity_id != other.entity_id());
 515                if let Some(active_session_id) = this
 516                    .active_session
 517                    .as_ref()
 518                    .map(|session| session.entity_id())
 519                    && active_session_id == entity_id
 520                {
 521                    this.active_session = this.sessions_with_children.keys().next().cloned();
 522                }
 523                cx.notify()
 524            })
 525            .ok();
 526        })
 527        .detach();
 528    }
 529
 530    pub(crate) fn deploy_context_menu(
 531        &mut self,
 532        position: Point<Pixels>,
 533        window: &mut Window,
 534        cx: &mut Context<Self>,
 535    ) {
 536        if let Some(running_state) = self
 537            .active_session
 538            .as_ref()
 539            .map(|session| session.read(cx).running_state().clone())
 540        {
 541            let pane_items_status = running_state.read(cx).pane_items_status(cx);
 542            let this = cx.weak_entity();
 543
 544            let context_menu = ContextMenu::build(window, cx, |mut menu, _window, _cx| {
 545                for (item_kind, is_visible) in pane_items_status.into_iter() {
 546                    menu = menu.toggleable_entry(item_kind, is_visible, IconPosition::End, None, {
 547                        let this = this.clone();
 548                        move |window, cx| {
 549                            this.update(cx, |this, cx| {
 550                                if let Some(running_state) = this
 551                                    .active_session
 552                                    .as_ref()
 553                                    .map(|session| session.read(cx).running_state().clone())
 554                                {
 555                                    running_state.update(cx, |state, cx| {
 556                                        if is_visible {
 557                                            state.remove_pane_item(item_kind, window, cx);
 558                                        } else {
 559                                            state.add_pane_item(item_kind, position, window, cx);
 560                                        }
 561                                    })
 562                                }
 563                            })
 564                            .ok();
 565                        }
 566                    });
 567                }
 568
 569                menu
 570            });
 571
 572            window.focus(&context_menu.focus_handle(cx));
 573            let subscription = cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
 574                this.context_menu.take();
 575                cx.notify();
 576            });
 577            self.context_menu = Some((context_menu, position, subscription));
 578        }
 579    }
 580
 581    fn copy_debug_adapter_arguments(
 582        &mut self,
 583        _: &CopyDebugAdapterArguments,
 584        _window: &mut Window,
 585        cx: &mut Context<Self>,
 586    ) {
 587        let content = maybe!({
 588            let mut session = self.active_session()?.read(cx).session(cx);
 589            while let Some(parent) = session.read(cx).parent_session().cloned() {
 590                session = parent;
 591            }
 592            let binary = session.read(cx).binary()?;
 593            let content = serde_json::to_string_pretty(&binary).ok()?;
 594            Some(content)
 595        });
 596        if let Some(content) = content {
 597            cx.write_to_clipboard(ClipboardItem::new_string(content));
 598        }
 599    }
 600
 601    pub(crate) fn top_controls_strip(
 602        &mut self,
 603        window: &mut Window,
 604        cx: &mut Context<Self>,
 605    ) -> Option<Div> {
 606        let active_session = self.active_session.clone();
 607        let focus_handle = self.focus_handle.clone();
 608        let is_side = self.position(window, cx).axis() == gpui::Axis::Horizontal;
 609        let div = if is_side { v_flex() } else { h_flex() };
 610
 611        let new_session_button = || {
 612            IconButton::new("debug-new-session", IconName::Plus)
 613                .icon_size(IconSize::Small)
 614                .on_click({
 615                    move |_, window, cx| window.dispatch_action(crate::Start.boxed_clone(), cx)
 616                })
 617                .tooltip({
 618                    let focus_handle = focus_handle.clone();
 619                    move |_window, cx| {
 620                        Tooltip::for_action_in(
 621                            "Start Debug Session",
 622                            &crate::Start,
 623                            &focus_handle,
 624                            cx,
 625                        )
 626                    }
 627                })
 628        };
 629
 630        let edit_debug_json_button = || {
 631            IconButton::new("debug-edit-debug-json", IconName::Code)
 632                .icon_size(IconSize::Small)
 633                .on_click(|_, window, cx| {
 634                    window.dispatch_action(zed_actions::OpenProjectDebugTasks.boxed_clone(), cx);
 635                })
 636                .tooltip(Tooltip::text("Edit debug.json"))
 637        };
 638
 639        let documentation_button = || {
 640            IconButton::new("debug-open-documentation", IconName::CircleHelp)
 641                .icon_size(IconSize::Small)
 642                .on_click(move |_, _, cx| cx.open_url("https://zed.dev/docs/debugger"))
 643                .tooltip(Tooltip::text("Open Documentation"))
 644        };
 645
 646        let logs_button = || {
 647            IconButton::new("debug-open-logs", IconName::Notepad)
 648                .icon_size(IconSize::Small)
 649                .on_click(move |_, window, cx| {
 650                    window.dispatch_action(debugger_tools::OpenDebugAdapterLogs.boxed_clone(), cx)
 651                })
 652                .tooltip(Tooltip::text("Open Debug Adapter Logs"))
 653        };
 654
 655        Some(
 656            div.w_full()
 657                .py_1()
 658                .px_1p5()
 659                .justify_between()
 660                .border_b_1()
 661                .border_color(cx.theme().colors().border)
 662                .when(is_side, |this| this.gap_1())
 663                .child(
 664                    h_flex()
 665                        .justify_between()
 666                        .child(
 667                            h_flex().gap_1().w_full().when_some(
 668                                active_session
 669                                    .as_ref()
 670                                    .map(|session| session.read(cx).running_state()),
 671                                |this, running_state| {
 672                                    let thread_status =
 673                                        running_state.read(cx).thread_status(cx).unwrap_or(
 674                                            project::debugger::session::ThreadStatus::Exited,
 675                                        );
 676                                    let capabilities = running_state.read(cx).capabilities(cx);
 677                                    let supports_detach =
 678                                        running_state.read(cx).session().read(cx).is_attached();
 679
 680                                    this.map(|this| {
 681                                        if thread_status == ThreadStatus::Running {
 682                                            this.child(
 683                                                IconButton::new(
 684                                                    "debug-pause",
 685                                                    IconName::DebugPause,
 686                                                )
 687                                                .icon_size(IconSize::Small)
 688                                                .on_click(window.listener_for(
 689                                                    running_state,
 690                                                    |this, _, _window, cx| {
 691                                                        this.pause_thread(cx);
 692                                                    },
 693                                                ))
 694                                                .tooltip({
 695                                                    let focus_handle = focus_handle.clone();
 696                                                    move |_window, cx| {
 697                                                        Tooltip::for_action_in(
 698                                                            "Pause Program",
 699                                                            &Pause,
 700                                                            &focus_handle,
 701                                                            cx,
 702                                                        )
 703                                                    }
 704                                                }),
 705                                            )
 706                                        } else {
 707                                            this.child(
 708                                                IconButton::new(
 709                                                    "debug-continue",
 710                                                    IconName::DebugContinue,
 711                                                )
 712                                                .icon_size(IconSize::Small)
 713                                                .on_click(window.listener_for(
 714                                                    running_state,
 715                                                    |this, _, _window, cx| this.continue_thread(cx),
 716                                                ))
 717                                                .disabled(thread_status != ThreadStatus::Stopped)
 718                                                .tooltip({
 719                                                    let focus_handle = focus_handle.clone();
 720                                                    move |_window, cx| {
 721                                                        Tooltip::for_action_in(
 722                                                            "Continue Program",
 723                                                            &Continue,
 724                                                            &focus_handle,
 725                                                            cx,
 726                                                        )
 727                                                    }
 728                                                }),
 729                                            )
 730                                        }
 731                                    })
 732                                    .child(
 733                                        IconButton::new("debug-step-over", IconName::ArrowRight)
 734                                            .icon_size(IconSize::Small)
 735                                            .on_click(window.listener_for(
 736                                                running_state,
 737                                                |this, _, _window, cx| {
 738                                                    this.step_over(cx);
 739                                                },
 740                                            ))
 741                                            .disabled(thread_status != ThreadStatus::Stopped)
 742                                            .tooltip({
 743                                                let focus_handle = focus_handle.clone();
 744                                                move |_window, cx| {
 745                                                    Tooltip::for_action_in(
 746                                                        "Step Over",
 747                                                        &StepOver,
 748                                                        &focus_handle,
 749                                                        cx,
 750                                                    )
 751                                                }
 752                                            }),
 753                                    )
 754                                    .child(
 755                                        IconButton::new(
 756                                            "debug-step-into",
 757                                            IconName::ArrowDownRight,
 758                                        )
 759                                        .icon_size(IconSize::Small)
 760                                        .on_click(window.listener_for(
 761                                            running_state,
 762                                            |this, _, _window, cx| {
 763                                                this.step_in(cx);
 764                                            },
 765                                        ))
 766                                        .disabled(thread_status != ThreadStatus::Stopped)
 767                                        .tooltip({
 768                                            let focus_handle = focus_handle.clone();
 769                                            move |_window, cx| {
 770                                                Tooltip::for_action_in(
 771                                                    "Step In",
 772                                                    &StepInto,
 773                                                    &focus_handle,
 774                                                    cx,
 775                                                )
 776                                            }
 777                                        }),
 778                                    )
 779                                    .child(
 780                                        IconButton::new("debug-step-out", IconName::ArrowUpRight)
 781                                            .icon_size(IconSize::Small)
 782                                            .on_click(window.listener_for(
 783                                                running_state,
 784                                                |this, _, _window, cx| {
 785                                                    this.step_out(cx);
 786                                                },
 787                                            ))
 788                                            .disabled(thread_status != ThreadStatus::Stopped)
 789                                            .tooltip({
 790                                                let focus_handle = focus_handle.clone();
 791                                                move |_window, cx| {
 792                                                    Tooltip::for_action_in(
 793                                                        "Step Out",
 794                                                        &StepOut,
 795                                                        &focus_handle,
 796                                                        cx,
 797                                                    )
 798                                                }
 799                                            }),
 800                                    )
 801                                    .child(Divider::vertical())
 802                                    .child(
 803                                        IconButton::new("debug-restart", IconName::RotateCcw)
 804                                            .icon_size(IconSize::Small)
 805                                            .on_click(window.listener_for(
 806                                                running_state,
 807                                                |this, _, window, cx| {
 808                                                    this.rerun_session(window, cx);
 809                                                },
 810                                            ))
 811                                            .tooltip({
 812                                                let focus_handle = focus_handle.clone();
 813                                                move |_window, cx| {
 814                                                    Tooltip::for_action_in(
 815                                                        "Rerun Session",
 816                                                        &RerunSession,
 817                                                        &focus_handle,
 818                                                        cx,
 819                                                    )
 820                                                }
 821                                            }),
 822                                    )
 823                                    .child(
 824                                        IconButton::new("debug-stop", IconName::Power)
 825                                            .icon_size(IconSize::Small)
 826                                            .on_click(window.listener_for(
 827                                                running_state,
 828                                                |this, _, _window, cx| {
 829                                                    if this.session().read(cx).is_building() {
 830                                                        this.session().update(cx, |session, cx| {
 831                                                            session.shutdown(cx).detach()
 832                                                        });
 833                                                    } else {
 834                                                        this.stop_thread(cx);
 835                                                    }
 836                                                },
 837                                            ))
 838                                            .disabled(active_session.as_ref().is_none_or(
 839                                                |session| {
 840                                                    session
 841                                                        .read(cx)
 842                                                        .session(cx)
 843                                                        .read(cx)
 844                                                        .is_terminated()
 845                                                },
 846                                            ))
 847                                            .tooltip({
 848                                                let focus_handle = focus_handle.clone();
 849                                                let label = if capabilities
 850                                                    .supports_terminate_threads_request
 851                                                    .unwrap_or_default()
 852                                                {
 853                                                    "Terminate Thread"
 854                                                } else {
 855                                                    "Terminate All Threads"
 856                                                };
 857                                                move |_window, cx| {
 858                                                    Tooltip::for_action_in(
 859                                                        label,
 860                                                        &Stop,
 861                                                        &focus_handle,
 862                                                        cx,
 863                                                    )
 864                                                }
 865                                            }),
 866                                    )
 867                                    .when(
 868                                        supports_detach,
 869                                        |div| {
 870                                            div.child(
 871                                                IconButton::new(
 872                                                    "debug-disconnect",
 873                                                    IconName::DebugDetach,
 874                                                )
 875                                                .disabled(
 876                                                    thread_status != ThreadStatus::Stopped
 877                                                        && thread_status != ThreadStatus::Running,
 878                                                )
 879                                                .icon_size(IconSize::Small)
 880                                                .on_click(window.listener_for(
 881                                                    running_state,
 882                                                    |this, _, _, cx| {
 883                                                        this.detach_client(cx);
 884                                                    },
 885                                                ))
 886                                                .tooltip({
 887                                                    let focus_handle = focus_handle.clone();
 888                                                    move |_window, cx| {
 889                                                        Tooltip::for_action_in(
 890                                                            "Detach",
 891                                                            &Detach,
 892                                                            &focus_handle,
 893                                                            cx,
 894                                                        )
 895                                                    }
 896                                                }),
 897                                            )
 898                                        },
 899                                    )
 900                                },
 901                            ),
 902                        )
 903                        .when(is_side, |this| {
 904                            this.child(new_session_button())
 905                                .child(edit_debug_json_button())
 906                                .child(documentation_button())
 907                                .child(logs_button())
 908                        }),
 909                )
 910                .child(
 911                    h_flex()
 912                        .gap_0p5()
 913                        .when(is_side, |this| this.justify_between())
 914                        .child(
 915                            h_flex().when_some(
 916                                active_session
 917                                    .as_ref()
 918                                    .map(|session| session.read(cx).running_state())
 919                                    .cloned(),
 920                                |this, running_state| {
 921                                    this.children({
 922                                        let threads =
 923                                            running_state.update(cx, |running_state, cx| {
 924                                                let session = running_state.session();
 925                                                session.read(cx).is_started().then(|| {
 926                                                    session.update(cx, |session, cx| {
 927                                                        session.threads(cx)
 928                                                    })
 929                                                })
 930                                            });
 931
 932                                        threads.and_then(|threads| {
 933                                            self.render_thread_dropdown(
 934                                                &running_state,
 935                                                threads,
 936                                                window,
 937                                                cx,
 938                                            )
 939                                        })
 940                                    })
 941                                    .when(!is_side, |this| {
 942                                        this.gap_0p5().child(Divider::vertical())
 943                                    })
 944                                },
 945                            ),
 946                        )
 947                        .child(
 948                            h_flex()
 949                                .gap_0p5()
 950                                .children(self.render_session_menu(
 951                                    self.active_session(),
 952                                    self.running_state(cx),
 953                                    window,
 954                                    cx,
 955                                ))
 956                                .when(!is_side, |this| {
 957                                    this.child(new_session_button())
 958                                        .child(edit_debug_json_button())
 959                                        .child(documentation_button())
 960                                        .child(logs_button())
 961                                }),
 962                        ),
 963                ),
 964        )
 965    }
 966
 967    pub(crate) fn activate_pane_in_direction(
 968        &mut self,
 969        direction: SplitDirection,
 970        window: &mut Window,
 971        cx: &mut Context<Self>,
 972    ) {
 973        if let Some(session) = self.active_session() {
 974            session.update(cx, |session, cx| {
 975                session.running_state().update(cx, |running, cx| {
 976                    running.activate_pane_in_direction(direction, window, cx);
 977                })
 978            });
 979        }
 980    }
 981
 982    pub(crate) fn activate_item(
 983        &mut self,
 984        item: DebuggerPaneItem,
 985        window: &mut Window,
 986        cx: &mut Context<Self>,
 987    ) {
 988        if let Some(session) = self.active_session() {
 989            session.update(cx, |session, cx| {
 990                session.running_state().update(cx, |running, cx| {
 991                    running.activate_item(item, window, cx);
 992                });
 993            });
 994        }
 995    }
 996
 997    pub(crate) fn activate_session_by_id(
 998        &mut self,
 999        session_id: SessionId,
1000        window: &mut Window,
1001        cx: &mut Context<Self>,
1002    ) {
1003        if let Some(session) = self
1004            .sessions_with_children
1005            .keys()
1006            .find(|session| session.read(cx).session_id(cx) == session_id)
1007        {
1008            self.activate_session(session.clone(), window, cx);
1009        }
1010    }
1011
1012    pub(crate) fn activate_session(
1013        &mut self,
1014        session_item: Entity<DebugSession>,
1015        window: &mut Window,
1016        cx: &mut Context<Self>,
1017    ) {
1018        debug_assert!(self.sessions_with_children.contains_key(&session_item));
1019        session_item.focus_handle(cx).focus(window);
1020        session_item.update(cx, |this, cx| {
1021            this.running_state().update(cx, |this, cx| {
1022                this.go_to_selected_stack_frame(window, cx);
1023            });
1024        });
1025        self.active_session = Some(session_item);
1026        cx.notify();
1027    }
1028
1029    pub(crate) fn go_to_scenario_definition(
1030        &self,
1031        kind: TaskSourceKind,
1032        scenario: DebugScenario,
1033        worktree_id: WorktreeId,
1034        window: &mut Window,
1035        cx: &mut Context<Self>,
1036    ) -> Task<Result<()>> {
1037        let Some(workspace) = self.workspace.upgrade() else {
1038            return Task::ready(Ok(()));
1039        };
1040        let project_path = match kind {
1041            TaskSourceKind::AbsPath { abs_path, .. } => {
1042                let Some(project_path) = workspace
1043                    .read(cx)
1044                    .project()
1045                    .read(cx)
1046                    .project_path_for_absolute_path(&abs_path, cx)
1047                else {
1048                    return Task::ready(Err(anyhow!("no abs path")));
1049                };
1050
1051                project_path
1052            }
1053            TaskSourceKind::Worktree {
1054                id,
1055                directory_in_worktree: dir,
1056                ..
1057            } => {
1058                let relative_path = if dir.ends_with(RelPath::unix(".vscode").unwrap()) {
1059                    dir.join(RelPath::unix("launch.json").unwrap())
1060                } else {
1061                    dir.join(RelPath::unix("debug.json").unwrap())
1062                };
1063                ProjectPath {
1064                    worktree_id: id,
1065                    path: relative_path,
1066                }
1067            }
1068            _ => return self.save_scenario(scenario, worktree_id, window, cx),
1069        };
1070
1071        let editor = workspace.update(cx, |workspace, cx| {
1072            workspace.open_path(project_path, None, true, window, cx)
1073        });
1074        cx.spawn_in(window, async move |_, cx| {
1075            let editor = editor.await?;
1076            let editor = cx
1077                .update(|_, cx| editor.act_as::<Editor>(cx))?
1078                .context("expected editor")?;
1079
1080            // unfortunately debug tasks don't have an easy way to globally
1081            // identify them. to jump to the one that you just created or an
1082            // old one that you're choosing to edit we use a heuristic of searching for a line with `label:  <your label>` from the end rather than the start so we bias towards more renctly
1083            editor.update_in(cx, |editor, window, cx| {
1084                let row = editor.text(cx).lines().enumerate().find_map(|(row, text)| {
1085                    if text.contains(scenario.label.as_ref()) && text.contains("\"label\": ") {
1086                        Some(row)
1087                    } else {
1088                        None
1089                    }
1090                });
1091                if let Some(row) = row {
1092                    editor.go_to_singleton_buffer_point(
1093                        text::Point::new(row as u32, 4),
1094                        window,
1095                        cx,
1096                    );
1097                }
1098            })?;
1099
1100            Ok(())
1101        })
1102    }
1103
1104    pub(crate) fn save_scenario(
1105        &self,
1106        scenario: DebugScenario,
1107        worktree_id: WorktreeId,
1108        window: &mut Window,
1109        cx: &mut Context<Self>,
1110    ) -> Task<Result<()>> {
1111        let this = cx.weak_entity();
1112        let project = self.project.clone();
1113        self.workspace
1114            .update(cx, |workspace, cx| {
1115                let Some(mut path) = workspace.absolute_path_of_worktree(worktree_id, cx) else {
1116                    return Task::ready(Err(anyhow!("Couldn't get worktree path")));
1117                };
1118
1119                let serialized_scenario = serde_json::to_value(scenario);
1120
1121                cx.spawn_in(window, async move |workspace, cx| {
1122                    let serialized_scenario = serialized_scenario?;
1123                    let fs =
1124                        workspace.read_with(cx, |workspace, _| workspace.app_state().fs.clone())?;
1125
1126                    path.push(paths::local_settings_folder_name());
1127                    if !fs.is_dir(path.as_path()).await {
1128                        fs.create_dir(path.as_path()).await?;
1129                    }
1130                    path.pop();
1131
1132                    path.push(paths::local_debug_file_relative_path().as_std_path());
1133                    let path = path.as_path();
1134
1135                    if !fs.is_file(path).await {
1136                        fs.create_file(path, Default::default()).await?;
1137                        fs.write(
1138                            path,
1139                            settings::initial_local_debug_tasks_content()
1140                                .to_string()
1141                                .as_bytes(),
1142                        )
1143                        .await?;
1144                    }
1145                    let project_path = workspace.update(cx, |workspace, cx| {
1146                        workspace
1147                            .project()
1148                            .read(cx)
1149                            .project_path_for_absolute_path(path, cx)
1150                            .context(
1151                                "Couldn't get project path for .zed/debug.json in active worktree",
1152                            )
1153                    })??;
1154
1155                    let editor = this
1156                        .update_in(cx, |this, window, cx| {
1157                            this.workspace.update(cx, |workspace, cx| {
1158                                workspace.open_path(project_path, None, true, window, cx)
1159                            })
1160                        })??
1161                        .await?;
1162                    let editor = cx
1163                        .update(|_, cx| editor.act_as::<Editor>(cx))?
1164                        .context("expected editor")?;
1165
1166                    let new_scenario = serde_json_lenient::to_string_pretty(&serialized_scenario)?
1167                        .lines()
1168                        .map(|l| format!("  {l}"))
1169                        .join("\n");
1170
1171                    editor
1172                        .update_in(cx, |editor, window, cx| {
1173                            Self::insert_task_into_editor(editor, new_scenario, project, window, cx)
1174                        })??
1175                        .await
1176                })
1177            })
1178            .unwrap_or_else(|err| Task::ready(Err(err)))
1179    }
1180
1181    pub fn insert_task_into_editor(
1182        editor: &mut Editor,
1183        new_scenario: String,
1184        project: Entity<Project>,
1185        window: &mut Window,
1186        cx: &mut Context<Editor>,
1187    ) -> Result<Task<Result<()>>> {
1188        static LAST_ITEM_QUERY: LazyLock<Query> = LazyLock::new(|| {
1189            Query::new(
1190                &tree_sitter_json::LANGUAGE.into(),
1191                "(document (array (object) @object))", // TODO: use "." anchor to only match last object
1192            )
1193            .expect("Failed to create LAST_ITEM_QUERY")
1194        });
1195        static EMPTY_ARRAY_QUERY: LazyLock<Query> = LazyLock::new(|| {
1196            Query::new(
1197                &tree_sitter_json::LANGUAGE.into(),
1198                "(document (array) @array)",
1199            )
1200            .expect("Failed to create EMPTY_ARRAY_QUERY")
1201        });
1202
1203        let content = editor.text(cx);
1204        let mut parser = tree_sitter::Parser::new();
1205        parser.set_language(&tree_sitter_json::LANGUAGE.into())?;
1206        let mut cursor = tree_sitter::QueryCursor::new();
1207        let syntax_tree = parser
1208            .parse(&content, None)
1209            .context("could not parse debug.json")?;
1210        let mut matches = cursor.matches(
1211            &LAST_ITEM_QUERY,
1212            syntax_tree.root_node(),
1213            content.as_bytes(),
1214        );
1215
1216        let mut last_offset = None;
1217        while let Some(mat) = matches.next() {
1218            if let Some(pos) = mat.captures.first().map(|m| m.node.byte_range().end) {
1219                last_offset = Some(pos)
1220            }
1221        }
1222        let mut edits = Vec::new();
1223        let mut cursor_position = 0;
1224
1225        if let Some(pos) = last_offset {
1226            edits.push((pos..pos, format!(",\n{new_scenario}")));
1227            cursor_position = pos + ",\n  ".len();
1228        } else {
1229            let mut matches = cursor.matches(
1230                &EMPTY_ARRAY_QUERY,
1231                syntax_tree.root_node(),
1232                content.as_bytes(),
1233            );
1234
1235            if let Some(mat) = matches.next() {
1236                if let Some(pos) = mat.captures.first().map(|m| m.node.byte_range().end - 1) {
1237                    edits.push((pos..pos, format!("\n{new_scenario}\n")));
1238                    cursor_position = pos + "\n  ".len();
1239                }
1240            } else {
1241                edits.push((0..0, format!("[\n{}\n]", new_scenario)));
1242                cursor_position = "[\n  ".len();
1243            }
1244        }
1245        editor.transact(window, cx, |editor, window, cx| {
1246            editor.edit(edits, cx);
1247            let snapshot = editor
1248                .buffer()
1249                .read(cx)
1250                .as_singleton()
1251                .unwrap()
1252                .read(cx)
1253                .snapshot();
1254            let point = cursor_position.to_point(&snapshot);
1255            editor.go_to_singleton_buffer_point(point, window, cx);
1256        });
1257        Ok(editor.save(SaveOptions::default(), project, window, cx))
1258    }
1259
1260    pub(crate) fn toggle_thread_picker(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1261        self.thread_picker_menu_handle.toggle(window, cx);
1262    }
1263
1264    pub(crate) fn toggle_session_picker(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1265        self.session_picker_menu_handle.toggle(window, cx);
1266    }
1267
1268    fn toggle_zoom(
1269        &mut self,
1270        _: &workspace::ToggleZoom,
1271        window: &mut Window,
1272        cx: &mut Context<Self>,
1273    ) {
1274        if self.is_zoomed {
1275            cx.emit(PanelEvent::ZoomOut);
1276        } else {
1277            if !self.focus_handle(cx).contains_focused(window, cx) {
1278                cx.focus_self(window);
1279            }
1280            cx.emit(PanelEvent::ZoomIn);
1281        }
1282    }
1283
1284    fn label_for_child_session(
1285        &self,
1286        parent_session: &Entity<Session>,
1287        request: &StartDebuggingRequestArguments,
1288        cx: &mut Context<'_, Self>,
1289    ) -> Option<SharedString> {
1290        let adapter = parent_session.read(cx).adapter();
1291        if let Some(adapter) = DapRegistry::global(cx).adapter(&adapter)
1292            && let Some(label) = adapter.label_for_child_session(request)
1293        {
1294            return Some(label.into());
1295        }
1296        None
1297    }
1298
1299    fn retain_sessions(&mut self, keep: impl Fn(&Entity<DebugSession>) -> bool) {
1300        self.sessions_with_children
1301            .retain(|session, _| keep(session));
1302        for children in self.sessions_with_children.values_mut() {
1303            children.retain(|child| {
1304                let Some(child) = child.upgrade() else {
1305                    return false;
1306                };
1307                keep(&child)
1308            });
1309        }
1310    }
1311}
1312
1313async fn register_session_inner(
1314    this: &WeakEntity<DebugPanel>,
1315    session: Entity<Session>,
1316    cx: &mut AsyncWindowContext,
1317) -> Result<Entity<DebugSession>> {
1318    let adapter_name = session.read_with(cx, |session, _| session.adapter())?;
1319    this.update_in(cx, |_, window, cx| {
1320        cx.subscribe_in(
1321            &session,
1322            window,
1323            move |this, session, event: &SessionStateEvent, window, cx| match event {
1324                SessionStateEvent::Restart => {
1325                    this.handle_restart_request(session.clone(), window, cx);
1326                }
1327                SessionStateEvent::SpawnChildSession { request } => {
1328                    this.handle_start_debugging_request(request, session.clone(), window, cx);
1329                }
1330                _ => {}
1331            },
1332        )
1333        .detach();
1334    })
1335    .ok();
1336    let serialized_layout = persistence::get_serialized_layout(adapter_name).await;
1337    let debug_session = this.update_in(cx, |this, window, cx| {
1338        let parent_session = this
1339            .sessions_with_children
1340            .keys()
1341            .find(|p| Some(p.read(cx).session_id(cx)) == session.read(cx).parent_id(cx))
1342            .cloned();
1343        this.retain_sessions(|session| {
1344            !session
1345                .read(cx)
1346                .running_state()
1347                .read(cx)
1348                .session()
1349                .read(cx)
1350                .is_terminated()
1351        });
1352
1353        let debug_session = DebugSession::running(
1354            this.project.clone(),
1355            this.workspace.clone(),
1356            parent_session
1357                .as_ref()
1358                .map(|p| p.read(cx).running_state().read(cx).debug_terminal.clone()),
1359            session,
1360            serialized_layout,
1361            this.position(window, cx).axis(),
1362            window,
1363            cx,
1364        );
1365
1366        // We might want to make this an event subscription and only notify when a new thread is selected
1367        // This is used to filter the command menu correctly
1368        cx.observe(
1369            &debug_session.read(cx).running_state().clone(),
1370            |_, _, cx| cx.notify(),
1371        )
1372        .detach();
1373        let insert_position = this
1374            .sessions_with_children
1375            .keys()
1376            .position(|session| Some(session) == parent_session.as_ref())
1377            .map(|position| position + 1)
1378            .unwrap_or(this.sessions_with_children.len());
1379        // Maintain topological sort order of sessions
1380        let (_, old) = this.sessions_with_children.insert_before(
1381            insert_position,
1382            debug_session.clone(),
1383            Default::default(),
1384        );
1385        debug_assert!(old.is_none());
1386        if let Some(parent_session) = parent_session {
1387            this.sessions_with_children
1388                .entry(parent_session)
1389                .and_modify(|children| children.push(debug_session.downgrade()));
1390        }
1391
1392        debug_session
1393    })?;
1394    Ok(debug_session)
1395}
1396
1397impl EventEmitter<PanelEvent> for DebugPanel {}
1398
1399impl Focusable for DebugPanel {
1400    fn focus_handle(&self, _: &App) -> FocusHandle {
1401        self.focus_handle.clone()
1402    }
1403}
1404
1405impl Panel for DebugPanel {
1406    fn persistent_name() -> &'static str {
1407        "DebugPanel"
1408    }
1409
1410    fn panel_key() -> &'static str {
1411        DEBUG_PANEL_KEY
1412    }
1413
1414    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1415        DebuggerSettings::get_global(cx).dock.into()
1416    }
1417
1418    fn position_is_valid(&self, _: DockPosition) -> bool {
1419        true
1420    }
1421
1422    fn set_position(
1423        &mut self,
1424        position: DockPosition,
1425        window: &mut Window,
1426        cx: &mut Context<Self>,
1427    ) {
1428        if position.axis() != self.position(window, cx).axis() {
1429            self.sessions_with_children.keys().for_each(|session_item| {
1430                session_item.update(cx, |item, cx| {
1431                    item.running_state()
1432                        .update(cx, |state, _| state.invert_axies())
1433                })
1434            });
1435        }
1436
1437        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
1438            settings.debugger.get_or_insert_default().dock = Some(position.into());
1439        });
1440    }
1441
1442    fn size(&self, _window: &Window, _: &App) -> Pixels {
1443        self.size
1444    }
1445
1446    fn set_size(&mut self, size: Option<Pixels>, _window: &mut Window, _cx: &mut Context<Self>) {
1447        self.size = size.unwrap_or(px(300.));
1448    }
1449
1450    fn remote_id() -> Option<proto::PanelId> {
1451        Some(proto::PanelId::DebugPanel)
1452    }
1453
1454    fn icon(&self, _window: &Window, _cx: &App) -> Option<IconName> {
1455        Some(IconName::Debug)
1456    }
1457
1458    fn icon_tooltip(&self, _window: &Window, cx: &App) -> Option<&'static str> {
1459        if DebuggerSettings::get_global(cx).button {
1460            Some("Debug Panel")
1461        } else {
1462            None
1463        }
1464    }
1465
1466    fn toggle_action(&self) -> Box<dyn Action> {
1467        Box::new(ToggleFocus)
1468    }
1469
1470    fn pane(&self) -> Option<Entity<Pane>> {
1471        None
1472    }
1473
1474    fn activation_priority(&self) -> u32 {
1475        9
1476    }
1477
1478    fn set_active(&mut self, _: bool, _: &mut Window, _: &mut Context<Self>) {}
1479
1480    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1481        self.is_zoomed
1482    }
1483
1484    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1485        self.is_zoomed = zoomed;
1486        cx.notify();
1487    }
1488}
1489
1490impl Render for DebugPanel {
1491    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1492        let this = cx.weak_entity();
1493
1494        if self
1495            .active_session
1496            .as_ref()
1497            .map(|session| session.read(cx).running_state())
1498            .map(|state| state.read(cx).has_open_context_menu(cx))
1499            .unwrap_or(false)
1500        {
1501            self.context_menu.take();
1502        }
1503
1504        v_flex()
1505            .when(!self.is_zoomed, |this| {
1506                this.when_else(
1507                    self.position(window, cx) == DockPosition::Bottom,
1508                    |this| this.max_h(self.size),
1509                    |this| this.max_w(self.size),
1510                )
1511            })
1512            .size_full()
1513            .key_context("DebugPanel")
1514            .child(h_flex().children(self.top_controls_strip(window, cx)))
1515            .track_focus(&self.focus_handle(cx))
1516            .on_action({
1517                let this = this.clone();
1518                move |_: &workspace::ActivatePaneLeft, window, cx| {
1519                    this.update(cx, |this, cx| {
1520                        this.activate_pane_in_direction(SplitDirection::Left, window, cx);
1521                    })
1522                    .ok();
1523                }
1524            })
1525            .on_action({
1526                let this = this.clone();
1527                move |_: &workspace::ActivatePaneRight, window, cx| {
1528                    this.update(cx, |this, cx| {
1529                        this.activate_pane_in_direction(SplitDirection::Right, window, cx);
1530                    })
1531                    .ok();
1532                }
1533            })
1534            .on_action({
1535                let this = this.clone();
1536                move |_: &workspace::ActivatePaneUp, window, cx| {
1537                    this.update(cx, |this, cx| {
1538                        this.activate_pane_in_direction(SplitDirection::Up, window, cx);
1539                    })
1540                    .ok();
1541                }
1542            })
1543            .on_action({
1544                let this = this.clone();
1545                move |_: &workspace::ActivatePaneDown, window, cx| {
1546                    this.update(cx, |this, cx| {
1547                        this.activate_pane_in_direction(SplitDirection::Down, window, cx);
1548                    })
1549                    .ok();
1550                }
1551            })
1552            .on_action({
1553                let this = this.clone();
1554                move |_: &FocusConsole, window, cx| {
1555                    this.update(cx, |this, cx| {
1556                        this.activate_item(DebuggerPaneItem::Console, window, cx);
1557                    })
1558                    .ok();
1559                }
1560            })
1561            .on_action({
1562                let this = this.clone();
1563                move |_: &FocusVariables, window, cx| {
1564                    this.update(cx, |this, cx| {
1565                        this.activate_item(DebuggerPaneItem::Variables, window, cx);
1566                    })
1567                    .ok();
1568                }
1569            })
1570            .on_action({
1571                let this = this.clone();
1572                move |_: &FocusBreakpointList, window, cx| {
1573                    this.update(cx, |this, cx| {
1574                        this.activate_item(DebuggerPaneItem::BreakpointList, window, cx);
1575                    })
1576                    .ok();
1577                }
1578            })
1579            .on_action({
1580                let this = this.clone();
1581                move |_: &FocusFrames, window, cx| {
1582                    this.update(cx, |this, cx| {
1583                        this.activate_item(DebuggerPaneItem::Frames, window, cx);
1584                    })
1585                    .ok();
1586                }
1587            })
1588            .on_action({
1589                let this = this.clone();
1590                move |_: &FocusModules, window, cx| {
1591                    this.update(cx, |this, cx| {
1592                        this.activate_item(DebuggerPaneItem::Modules, window, cx);
1593                    })
1594                    .ok();
1595                }
1596            })
1597            .on_action({
1598                let this = this.clone();
1599                move |_: &FocusLoadedSources, window, cx| {
1600                    this.update(cx, |this, cx| {
1601                        this.activate_item(DebuggerPaneItem::LoadedSources, window, cx);
1602                    })
1603                    .ok();
1604                }
1605            })
1606            .on_action({
1607                let this = this.clone();
1608                move |_: &FocusTerminal, window, cx| {
1609                    this.update(cx, |this, cx| {
1610                        this.activate_item(DebuggerPaneItem::Terminal, window, cx);
1611                    })
1612                    .ok();
1613                }
1614            })
1615            .on_action({
1616                let this = this.clone();
1617                move |_: &ToggleThreadPicker, window, cx| {
1618                    this.update(cx, |this, cx| {
1619                        this.toggle_thread_picker(window, cx);
1620                    })
1621                    .ok();
1622                }
1623            })
1624            .on_action({
1625                move |_: &ToggleSessionPicker, window, cx| {
1626                    this.update(cx, |this, cx| {
1627                        this.toggle_session_picker(window, cx);
1628                    })
1629                    .ok();
1630                }
1631            })
1632            .on_action(cx.listener(Self::toggle_zoom))
1633            .on_action(cx.listener(|panel, _: &ToggleExpandItem, _, cx| {
1634                let Some(session) = panel.active_session() else {
1635                    return;
1636                };
1637                let active_pane = session
1638                    .read(cx)
1639                    .running_state()
1640                    .read(cx)
1641                    .active_pane()
1642                    .clone();
1643                active_pane.update(cx, |pane, cx| {
1644                    let is_zoomed = pane.is_zoomed();
1645                    pane.set_zoomed(!is_zoomed, cx);
1646                });
1647                cx.notify();
1648            }))
1649            .on_action(cx.listener(Self::copy_debug_adapter_arguments))
1650            .when(self.active_session.is_some(), |this| {
1651                this.on_mouse_down(
1652                    MouseButton::Right,
1653                    cx.listener(|this, event: &MouseDownEvent, window, cx| {
1654                        if this
1655                            .active_session
1656                            .as_ref()
1657                            .map(|session| {
1658                                let state = session.read(cx).running_state();
1659                                state.read(cx).has_pane_at_position(event.position)
1660                            })
1661                            .unwrap_or(false)
1662                        {
1663                            this.deploy_context_menu(event.position, window, cx);
1664                        }
1665                    }),
1666                )
1667                .children(self.context_menu.as_ref().map(|(menu, position, _)| {
1668                    deferred(
1669                        anchored()
1670                            .position(*position)
1671                            .anchor(gpui::Corner::TopLeft)
1672                            .child(menu.clone()),
1673                    )
1674                    .with_priority(1)
1675                }))
1676            })
1677            .map(|this| {
1678                if let Some(active_session) = self.active_session.clone() {
1679                    this.child(active_session)
1680                } else {
1681                    let docked_to_bottom = self.position(window, cx) == DockPosition::Bottom;
1682
1683                    let welcome_experience = v_flex()
1684                        .when_else(
1685                            docked_to_bottom,
1686                            |this| this.w_2_3().h_full().pr_8(),
1687                            |this| this.w_full().h_1_3(),
1688                        )
1689                        .items_center()
1690                        .justify_center()
1691                        .gap_2()
1692                        .child(
1693                            Button::new("spawn-new-session-empty-state", "New Session")
1694                                .icon(IconName::Plus)
1695                                .icon_size(IconSize::XSmall)
1696                                .icon_color(Color::Muted)
1697                                .icon_position(IconPosition::Start)
1698                                .on_click(|_, window, cx| {
1699                                    window.dispatch_action(crate::Start.boxed_clone(), cx);
1700                                }),
1701                        )
1702                        .child(
1703                            Button::new("edit-debug-settings", "Edit debug.json")
1704                                .icon(IconName::Code)
1705                                .icon_size(IconSize::XSmall)
1706                                .color(Color::Muted)
1707                                .icon_color(Color::Muted)
1708                                .icon_position(IconPosition::Start)
1709                                .on_click(|_, window, cx| {
1710                                    window.dispatch_action(
1711                                        zed_actions::OpenProjectDebugTasks.boxed_clone(),
1712                                        cx,
1713                                    );
1714                                }),
1715                        )
1716                        .child(
1717                            Button::new("open-debugger-docs", "Debugger Docs")
1718                                .icon(IconName::Book)
1719                                .color(Color::Muted)
1720                                .icon_size(IconSize::XSmall)
1721                                .icon_color(Color::Muted)
1722                                .icon_position(IconPosition::Start)
1723                                .on_click(|_, _, cx| cx.open_url("https://zed.dev/docs/debugger")),
1724                        )
1725                        .child(
1726                            Button::new(
1727                                "spawn-new-session-install-extensions",
1728                                "Debugger Extensions",
1729                            )
1730                            .icon(IconName::Blocks)
1731                            .color(Color::Muted)
1732                            .icon_size(IconSize::XSmall)
1733                            .icon_color(Color::Muted)
1734                            .icon_position(IconPosition::Start)
1735                            .on_click(|_, window, cx| {
1736                                window.dispatch_action(
1737                                    zed_actions::Extensions {
1738                                        category_filter: Some(
1739                                            zed_actions::ExtensionCategoryFilter::DebugAdapters,
1740                                        ),
1741                                        id: None,
1742                                    }
1743                                    .boxed_clone(),
1744                                    cx,
1745                                );
1746                            }),
1747                        );
1748
1749                    let breakpoint_list = v_flex()
1750                        .group("base-breakpoint-list")
1751                        .when_else(
1752                            docked_to_bottom,
1753                            |this| this.min_w_1_3().h_full(),
1754                            |this| this.size_full().h_2_3(),
1755                        )
1756                        .child(
1757                            h_flex()
1758                                .track_focus(&self.breakpoint_list.focus_handle(cx))
1759                                .h(Tab::container_height(cx))
1760                                .p_1p5()
1761                                .w_full()
1762                                .justify_between()
1763                                .border_b_1()
1764                                .border_color(cx.theme().colors().border_variant)
1765                                .child(Label::new("Breakpoints").size(LabelSize::Small))
1766                                .child(
1767                                    h_flex().visible_on_hover("base-breakpoint-list").child(
1768                                        self.breakpoint_list.read(cx).render_control_strip(),
1769                                    ),
1770                                ),
1771                        )
1772                        .child(self.breakpoint_list.clone());
1773
1774                    this.child(
1775                        v_flex()
1776                            .size_full()
1777                            .gap_1()
1778                            .items_center()
1779                            .justify_center()
1780                            .map(|this| {
1781                                if docked_to_bottom {
1782                                    this.child(
1783                                        h_flex()
1784                                            .size_full()
1785                                            .child(breakpoint_list)
1786                                            .child(Divider::vertical())
1787                                            .child(welcome_experience)
1788                                            .child(Divider::vertical()),
1789                                    )
1790                                } else {
1791                                    this.child(
1792                                        v_flex()
1793                                            .size_full()
1794                                            .child(welcome_experience)
1795                                            .child(Divider::horizontal())
1796                                            .child(breakpoint_list),
1797                                    )
1798                                }
1799                            }),
1800                    )
1801                }
1802            })
1803            .into_any()
1804    }
1805}
1806
1807struct DebuggerProvider(Entity<DebugPanel>);
1808
1809impl workspace::DebuggerProvider for DebuggerProvider {
1810    fn start_session(
1811        &self,
1812        definition: DebugScenario,
1813        context: TaskContext,
1814        buffer: Option<Entity<Buffer>>,
1815        worktree_id: Option<WorktreeId>,
1816        window: &mut Window,
1817        cx: &mut App,
1818    ) {
1819        self.0.update(cx, |_, cx| {
1820            cx.defer_in(window, move |this, window, cx| {
1821                this.start_session(definition, context, buffer, worktree_id, window, cx);
1822            })
1823        })
1824    }
1825
1826    fn spawn_task_or_modal(
1827        &self,
1828        workspace: &mut Workspace,
1829        action: &tasks_ui::Spawn,
1830        window: &mut Window,
1831        cx: &mut Context<Workspace>,
1832    ) {
1833        spawn_task_or_modal(workspace, action, window, cx);
1834    }
1835
1836    fn debug_scenario_scheduled(&self, cx: &mut App) {
1837        self.0.update(cx, |this, _| {
1838            this.debug_scenario_scheduled_last = true;
1839        });
1840    }
1841
1842    fn task_scheduled(&self, cx: &mut App) {
1843        self.0.update(cx, |this, _| {
1844            this.debug_scenario_scheduled_last = false;
1845        })
1846    }
1847
1848    fn debug_scenario_scheduled_last(&self, cx: &App) -> bool {
1849        self.0.read(cx).debug_scenario_scheduled_last
1850    }
1851
1852    fn active_thread_state(&self, cx: &App) -> Option<ThreadStatus> {
1853        let session = self.0.read(cx).active_session()?;
1854        let thread = session.read(cx).running_state().read(cx).thread_id()?;
1855        session.read(cx).session(cx).read(cx).thread_state(thread)
1856    }
1857}