sidebar.rs

   1mod thread_switcher;
   2
   3use acp_thread::ThreadStatus;
   4use action_log::DiffStats;
   5use agent_client_protocol::{self as acp};
   6use agent_settings::AgentSettings;
   7use agent_ui::thread_metadata_store::{ThreadMetadata, ThreadMetadataStore, ThreadWorktreePaths};
   8use agent_ui::thread_worktree_archive;
   9use agent_ui::threads_archive_view::{
  10    ThreadsArchiveView, ThreadsArchiveViewEvent, format_history_entry_timestamp,
  11};
  12use agent_ui::{AcpThreadImportOnboarding, ThreadImportModal};
  13use agent_ui::{
  14    Agent, AgentPanel, AgentPanelEvent, DEFAULT_THREAD_TITLE, NewThread, RemoveSelectedThread,
  15};
  16use chrono::{DateTime, Utc};
  17use editor::Editor;
  18use gpui::{
  19    Action as _, AnyElement, App, Context, DismissEvent, Entity, FocusHandle, Focusable,
  20    KeyContext, ListState, Pixels, Render, SharedString, Task, WeakEntity, Window, WindowHandle,
  21    linear_color_stop, linear_gradient, list, prelude::*, px,
  22};
  23use menu::{
  24    Cancel, Confirm, SelectChild, SelectFirst, SelectLast, SelectNext, SelectParent, SelectPrevious,
  25};
  26use project::{
  27    AgentId, AgentRegistryStore, Event as ProjectEvent, ProjectGroupKey, linked_worktree_short_name,
  28};
  29use recent_projects::sidebar_recent_projects::SidebarRecentProjects;
  30use remote::RemoteConnectionOptions;
  31use ui::utils::platform_title_bar_height;
  32
  33use serde::{Deserialize, Serialize};
  34use settings::Settings as _;
  35use std::collections::{HashMap, HashSet};
  36use std::mem;
  37use std::path::PathBuf;
  38use std::rc::Rc;
  39use theme::ActiveTheme;
  40use ui::{
  41    AgentThreadStatus, CommonAnimationExt, ContextMenu, Divider, HighlightedLabel, KeyBinding,
  42    PopoverMenu, PopoverMenuHandle, Tab, ThreadItem, ThreadItemWorktreeInfo, TintColor, Tooltip,
  43    WithScrollbar, prelude::*,
  44};
  45use util::ResultExt as _;
  46use util::path_list::PathList;
  47use workspace::{
  48    AddFolderToProject, CloseWindow, FocusWorkspaceSidebar, MultiWorkspace, MultiWorkspaceEvent,
  49    NextProject, NextThread, Open, PreviousProject, PreviousThread, SerializedProjectGroupKey,
  50    ShowFewerThreads, ShowMoreThreads, Sidebar as WorkspaceSidebar, SidebarSide, Toast,
  51    ToggleWorkspaceSidebar, Workspace, notifications::NotificationId, sidebar_side_context_menu,
  52};
  53
  54use zed_actions::OpenRecent;
  55use zed_actions::editor::{MoveDown, MoveUp};
  56
  57use zed_actions::agents_sidebar::{FocusSidebarFilter, ToggleThreadSwitcher};
  58
  59use crate::thread_switcher::{ThreadSwitcher, ThreadSwitcherEntry, ThreadSwitcherEvent};
  60
  61#[cfg(test)]
  62mod sidebar_tests;
  63
  64gpui::actions!(
  65    agents_sidebar,
  66    [
  67        /// Creates a new thread in the currently selected or active project group.
  68        NewThreadInGroup,
  69        /// Toggles between the thread list and the archive view.
  70        ToggleArchive,
  71    ]
  72);
  73
  74gpui::actions!(
  75    dev,
  76    [
  77        /// Dumps multi-workspace state (projects, worktrees, active threads) into a new buffer.
  78        DumpWorkspaceInfo,
  79    ]
  80);
  81
  82const DEFAULT_WIDTH: Pixels = px(300.0);
  83const MIN_WIDTH: Pixels = px(200.0);
  84const MAX_WIDTH: Pixels = px(800.0);
  85const DEFAULT_THREADS_SHOWN: usize = 5;
  86
  87#[derive(Default, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
  88enum SerializedSidebarView {
  89    #[default]
  90    ThreadList,
  91    Archive,
  92}
  93
  94#[derive(Default, Serialize, Deserialize)]
  95struct SerializedSidebar {
  96    #[serde(default)]
  97    width: Option<f32>,
  98    #[serde(default)]
  99    collapsed_groups: Vec<SerializedProjectGroupKey>,
 100    #[serde(default)]
 101    expanded_groups: Vec<(SerializedProjectGroupKey, usize)>,
 102    #[serde(default)]
 103    active_view: SerializedSidebarView,
 104}
 105
 106#[derive(Debug, Default)]
 107enum SidebarView {
 108    #[default]
 109    ThreadList,
 110    Archive(Entity<ThreadsArchiveView>),
 111}
 112
 113enum ArchiveWorktreeOutcome {
 114    Success,
 115    Cancelled,
 116}
 117
 118#[derive(Clone, Debug)]
 119enum ActiveEntry {
 120    Thread {
 121        session_id: acp::SessionId,
 122        workspace: Entity<Workspace>,
 123    },
 124    Draft(Entity<Workspace>),
 125}
 126
 127impl ActiveEntry {
 128    fn workspace(&self) -> &Entity<Workspace> {
 129        match self {
 130            ActiveEntry::Thread { workspace, .. } => workspace,
 131            ActiveEntry::Draft(workspace) => workspace,
 132        }
 133    }
 134
 135    fn is_active_thread(&self, session_id: &acp::SessionId) -> bool {
 136        matches!(self, ActiveEntry::Thread { session_id: id, .. } if id == session_id)
 137    }
 138
 139    fn matches_entry(&self, entry: &ListEntry) -> bool {
 140        match (self, entry) {
 141            (ActiveEntry::Thread { session_id, .. }, ListEntry::Thread(thread)) => {
 142                thread.metadata.session_id == *session_id
 143            }
 144            (
 145                ActiveEntry::Draft(_),
 146                ListEntry::DraftThread {
 147                    workspace: None, ..
 148                },
 149            ) => true,
 150            _ => false,
 151        }
 152    }
 153}
 154
 155#[derive(Clone, Debug)]
 156struct ActiveThreadInfo {
 157    session_id: acp::SessionId,
 158    title: SharedString,
 159    status: AgentThreadStatus,
 160    icon: IconName,
 161    icon_from_external_svg: Option<SharedString>,
 162    is_background: bool,
 163    is_title_generating: bool,
 164    diff_stats: DiffStats,
 165}
 166
 167#[derive(Clone)]
 168enum ThreadEntryWorkspace {
 169    Open(Entity<Workspace>),
 170    Closed {
 171        /// The paths this thread uses (may point to linked worktrees).
 172        folder_paths: PathList,
 173        /// The project group this thread belongs to.
 174        project_group_key: ProjectGroupKey,
 175    },
 176}
 177
 178impl ThreadEntryWorkspace {
 179    fn is_remote(&self, cx: &App) -> bool {
 180        match self {
 181            ThreadEntryWorkspace::Open(workspace) => {
 182                !workspace.read(cx).project().read(cx).is_local()
 183            }
 184            ThreadEntryWorkspace::Closed {
 185                project_group_key, ..
 186            } => project_group_key.host().is_some(),
 187        }
 188    }
 189}
 190
 191#[derive(Clone)]
 192struct WorktreeInfo {
 193    name: SharedString,
 194    full_path: SharedString,
 195    highlight_positions: Vec<usize>,
 196    kind: ui::WorktreeKind,
 197}
 198
 199#[derive(Clone)]
 200struct ThreadEntry {
 201    metadata: ThreadMetadata,
 202    icon: IconName,
 203    icon_from_external_svg: Option<SharedString>,
 204    status: AgentThreadStatus,
 205    workspace: ThreadEntryWorkspace,
 206    is_live: bool,
 207    is_background: bool,
 208    is_title_generating: bool,
 209    highlight_positions: Vec<usize>,
 210    worktrees: Vec<WorktreeInfo>,
 211    diff_stats: DiffStats,
 212}
 213
 214impl ThreadEntry {
 215    /// Updates this thread entry with active thread information.
 216    ///
 217    /// The existing [`ThreadEntry`] was likely deserialized from the database
 218    /// but if we have a correspond thread already loaded we want to apply the
 219    /// live information.
 220    fn apply_active_info(&mut self, info: &ActiveThreadInfo) {
 221        self.metadata.title = info.title.clone();
 222        self.status = info.status;
 223        self.icon = info.icon;
 224        self.icon_from_external_svg = info.icon_from_external_svg.clone();
 225        self.is_live = true;
 226        self.is_background = info.is_background;
 227        self.is_title_generating = info.is_title_generating;
 228        self.diff_stats = info.diff_stats;
 229    }
 230}
 231
 232#[derive(Clone)]
 233enum ListEntry {
 234    ProjectHeader {
 235        key: ProjectGroupKey,
 236        label: SharedString,
 237        highlight_positions: Vec<usize>,
 238        has_running_threads: bool,
 239        waiting_thread_count: usize,
 240        is_active: bool,
 241        has_threads: bool,
 242    },
 243    Thread(ThreadEntry),
 244    ViewMore {
 245        key: ProjectGroupKey,
 246        is_fully_expanded: bool,
 247    },
 248    /// The user's active draft thread. Shows a prefix of the currently-typed
 249    /// prompt, or "Untitled Thread" if the prompt is empty.
 250    DraftThread {
 251        key: project::ProjectGroupKey,
 252        workspace: Option<Entity<Workspace>>,
 253        worktrees: Vec<WorktreeInfo>,
 254    },
 255}
 256
 257#[cfg(test)]
 258impl ListEntry {
 259    fn session_id(&self) -> Option<&acp::SessionId> {
 260        match self {
 261            ListEntry::Thread(thread_entry) => Some(&thread_entry.metadata.session_id),
 262            _ => None,
 263        }
 264    }
 265
 266    fn reachable_workspaces<'a>(
 267        &'a self,
 268        multi_workspace: &'a workspace::MultiWorkspace,
 269        cx: &'a App,
 270    ) -> Vec<Entity<Workspace>> {
 271        match self {
 272            ListEntry::Thread(thread) => match &thread.workspace {
 273                ThreadEntryWorkspace::Open(ws) => vec![ws.clone()],
 274                ThreadEntryWorkspace::Closed { .. } => Vec::new(),
 275            },
 276            ListEntry::DraftThread { workspace, .. } => {
 277                if let Some(ws) = workspace {
 278                    vec![ws.clone()]
 279                } else {
 280                    // workspace: None means this is the active draft,
 281                    // which always lives on the current workspace.
 282                    vec![multi_workspace.workspace().clone()]
 283                }
 284            }
 285            ListEntry::ProjectHeader { key, .. } => multi_workspace
 286                .workspaces_for_project_group(key, cx)
 287                .cloned()
 288                .collect(),
 289            ListEntry::ViewMore { .. } => Vec::new(),
 290        }
 291    }
 292}
 293
 294impl From<ThreadEntry> for ListEntry {
 295    fn from(thread: ThreadEntry) -> Self {
 296        ListEntry::Thread(thread)
 297    }
 298}
 299
 300#[derive(Default)]
 301struct SidebarContents {
 302    entries: Vec<ListEntry>,
 303    notified_threads: HashSet<acp::SessionId>,
 304    project_header_indices: Vec<usize>,
 305    has_open_projects: bool,
 306}
 307
 308impl SidebarContents {
 309    fn is_thread_notified(&self, session_id: &acp::SessionId) -> bool {
 310        self.notified_threads.contains(session_id)
 311    }
 312}
 313
 314fn fuzzy_match_positions(query: &str, candidate: &str) -> Option<Vec<usize>> {
 315    let mut positions = Vec::new();
 316    let mut query_chars = query.chars().peekable();
 317
 318    for (byte_idx, candidate_char) in candidate.char_indices() {
 319        if let Some(&query_char) = query_chars.peek() {
 320            if candidate_char.eq_ignore_ascii_case(&query_char) {
 321                positions.push(byte_idx);
 322                query_chars.next();
 323            }
 324        } else {
 325            break;
 326        }
 327    }
 328
 329    if query_chars.peek().is_none() {
 330        Some(positions)
 331    } else {
 332        None
 333    }
 334}
 335
 336// TODO: The mapping from workspace root paths to git repositories needs a
 337// unified approach across the codebase: this function, `AgentPanel::classify_worktrees`,
 338// thread persistence (which PathList is saved to the database), and thread
 339// querying (which PathList is used to read threads back). All of these need
 340// to agree on how repos are resolved for a given workspace, especially in
 341// multi-root and nested-repo configurations.
 342fn root_repository_snapshots(
 343    workspace: &Entity<Workspace>,
 344    cx: &App,
 345) -> impl Iterator<Item = project::git_store::RepositorySnapshot> {
 346    let path_list = workspace_path_list(workspace, cx);
 347    let project = workspace.read(cx).project().read(cx);
 348    project.repositories(cx).values().filter_map(move |repo| {
 349        let snapshot = repo.read(cx).snapshot();
 350        let is_root = path_list
 351            .paths()
 352            .iter()
 353            .any(|p| p.as_path() == snapshot.work_directory_abs_path.as_ref());
 354        is_root.then_some(snapshot)
 355    })
 356}
 357
 358fn workspace_path_list(workspace: &Entity<Workspace>, cx: &App) -> PathList {
 359    PathList::new(&workspace.read(cx).root_paths(cx))
 360}
 361
 362/// Derives worktree display info from a thread's stored path list.
 363///
 364/// For each path in the thread's `folder_paths`, produces a
 365/// [`WorktreeInfo`] with a short display name, full path, and whether
 366/// the worktree is the main checkout or a linked git worktree. When
 367/// multiple main paths exist and a linked worktree's short name alone
 368/// wouldn't identify which main project it belongs to, the main project
 369/// name is prefixed for disambiguation (e.g. `project:feature`).
 370///
 371fn worktree_info_from_thread_paths(worktree_paths: &ThreadWorktreePaths) -> Vec<WorktreeInfo> {
 372    let mut infos: Vec<WorktreeInfo> = Vec::new();
 373    let mut linked_short_names: Vec<(SharedString, SharedString)> = Vec::new();
 374    let mut unique_main_count = HashSet::new();
 375
 376    for (main_path, folder_path) in worktree_paths.ordered_pairs() {
 377        unique_main_count.insert(main_path.clone());
 378        let is_linked = main_path != folder_path;
 379
 380        if is_linked {
 381            let short_name = linked_worktree_short_name(main_path, folder_path).unwrap_or_default();
 382            let project_name = main_path
 383                .file_name()
 384                .map(|n| SharedString::from(n.to_string_lossy().to_string()))
 385                .unwrap_or_default();
 386            linked_short_names.push((short_name.clone(), project_name));
 387            infos.push(WorktreeInfo {
 388                name: short_name,
 389                full_path: SharedString::from(folder_path.display().to_string()),
 390                highlight_positions: Vec::new(),
 391                kind: ui::WorktreeKind::Linked,
 392            });
 393        } else {
 394            let Some(name) = folder_path.file_name() else {
 395                continue;
 396            };
 397            infos.push(WorktreeInfo {
 398                name: SharedString::from(name.to_string_lossy().to_string()),
 399                full_path: SharedString::from(folder_path.display().to_string()),
 400                highlight_positions: Vec::new(),
 401                kind: ui::WorktreeKind::Main,
 402            });
 403        }
 404    }
 405
 406    // When the group has multiple main worktree paths and the thread's
 407    // folder paths don't all share the same short name, prefix each
 408    // linked worktree chip with its main project name so the user knows
 409    // which project it belongs to.
 410    let all_same_name = infos.len() > 1 && infos.iter().all(|i| i.name == infos[0].name);
 411
 412    if unique_main_count.len() > 1 && !all_same_name {
 413        for (info, (_short_name, project_name)) in infos
 414            .iter_mut()
 415            .filter(|i| i.kind == ui::WorktreeKind::Linked)
 416            .zip(linked_short_names.iter())
 417        {
 418            info.name = SharedString::from(format!("{}:{}", project_name, info.name));
 419        }
 420    }
 421
 422    infos
 423}
 424
 425/// Shows a [`RemoteConnectionModal`] on the given workspace and establishes
 426/// an SSH connection. Suitable for passing to
 427/// [`MultiWorkspace::find_or_create_workspace`] as the `connect_remote`
 428/// argument.
 429fn connect_remote(
 430    modal_workspace: Entity<Workspace>,
 431    connection_options: RemoteConnectionOptions,
 432    window: &mut Window,
 433    cx: &mut Context<MultiWorkspace>,
 434) -> gpui::Task<anyhow::Result<Option<Entity<remote::RemoteClient>>>> {
 435    remote_connection::connect_with_modal(&modal_workspace, connection_options, window, cx)
 436}
 437
 438/// The sidebar re-derives its entire entry list from scratch on every
 439/// change via `update_entries` → `rebuild_contents`. Avoid adding
 440/// incremental or inter-event coordination state — if something can
 441/// be computed from the current world state, compute it in the rebuild.
 442pub struct Sidebar {
 443    multi_workspace: WeakEntity<MultiWorkspace>,
 444    width: Pixels,
 445    focus_handle: FocusHandle,
 446    filter_editor: Entity<Editor>,
 447    list_state: ListState,
 448    contents: SidebarContents,
 449    /// The index of the list item that currently has the keyboard focus
 450    ///
 451    /// Note: This is NOT the same as the active item.
 452    selection: Option<usize>,
 453    /// Tracks which sidebar entry is currently active (highlighted).
 454    active_entry: Option<ActiveEntry>,
 455    hovered_thread_index: Option<usize>,
 456    collapsed_groups: HashSet<ProjectGroupKey>,
 457    expanded_groups: HashMap<ProjectGroupKey, usize>,
 458    /// Updated only in response to explicit user actions (clicking a
 459    /// thread, confirming in the thread switcher, etc.) — never from
 460    /// background data changes. Used to sort the thread switcher popup.
 461    thread_last_accessed: HashMap<acp::SessionId, DateTime<Utc>>,
 462    /// Updated when the user presses a key to send or queue a message.
 463    /// Used for sorting threads in the sidebar and as a secondary sort
 464    /// key in the thread switcher.
 465    thread_last_message_sent_or_queued: HashMap<acp::SessionId, DateTime<Utc>>,
 466    thread_switcher: Option<Entity<ThreadSwitcher>>,
 467    _thread_switcher_subscriptions: Vec<gpui::Subscription>,
 468    pending_remote_thread_activation: Option<acp::SessionId>,
 469    view: SidebarView,
 470    restoring_tasks: HashMap<acp::SessionId, Task<()>>,
 471    recent_projects_popover_handle: PopoverMenuHandle<SidebarRecentProjects>,
 472    project_header_menu_ix: Option<usize>,
 473    _subscriptions: Vec<gpui::Subscription>,
 474    _draft_observation: Option<gpui::Subscription>,
 475}
 476
 477impl Sidebar {
 478    pub fn new(
 479        multi_workspace: Entity<MultiWorkspace>,
 480        window: &mut Window,
 481        cx: &mut Context<Self>,
 482    ) -> Self {
 483        let focus_handle = cx.focus_handle();
 484        cx.on_focus_in(&focus_handle, window, Self::focus_in)
 485            .detach();
 486
 487        let filter_editor = cx.new(|cx| {
 488            let mut editor = Editor::single_line(window, cx);
 489            editor.set_use_modal_editing(true);
 490            editor.set_placeholder_text("Search…", window, cx);
 491            editor
 492        });
 493
 494        cx.subscribe_in(
 495            &multi_workspace,
 496            window,
 497            |this, _multi_workspace, event: &MultiWorkspaceEvent, window, cx| match event {
 498                MultiWorkspaceEvent::ActiveWorkspaceChanged => {
 499                    this.observe_draft_editor(cx);
 500                    this.update_entries(cx);
 501                }
 502                MultiWorkspaceEvent::WorkspaceAdded(workspace) => {
 503                    this.subscribe_to_workspace(workspace, window, cx);
 504                    this.update_entries(cx);
 505                }
 506                MultiWorkspaceEvent::WorkspaceRemoved(_) => {
 507                    this.update_entries(cx);
 508                }
 509                MultiWorkspaceEvent::WorktreePathAdded {
 510                    old_main_paths,
 511                    added_path,
 512                } => {
 513                    let added_path = added_path.clone();
 514                    ThreadMetadataStore::global(cx).update(cx, |store, cx| {
 515                        store.change_worktree_paths(
 516                            old_main_paths,
 517                            |paths| paths.add_path(&added_path, &added_path),
 518                            cx,
 519                        );
 520                    });
 521                    this.update_entries(cx);
 522                }
 523                MultiWorkspaceEvent::WorktreePathRemoved {
 524                    old_main_paths,
 525                    removed_path,
 526                } => {
 527                    let removed_path = removed_path.clone();
 528                    ThreadMetadataStore::global(cx).update(cx, |store, cx| {
 529                        store.change_worktree_paths(
 530                            old_main_paths,
 531                            |paths| paths.remove_main_path(&removed_path),
 532                            cx,
 533                        );
 534                    });
 535                    this.update_entries(cx);
 536                }
 537            },
 538        )
 539        .detach();
 540
 541        cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 542            if let editor::EditorEvent::BufferEdited = event {
 543                let query = this.filter_editor.read(cx).text(cx);
 544                if !query.is_empty() {
 545                    this.selection.take();
 546                }
 547                this.update_entries(cx);
 548                if !query.is_empty() {
 549                    this.select_first_entry();
 550                }
 551            }
 552        })
 553        .detach();
 554
 555        cx.observe(&ThreadMetadataStore::global(cx), |this, _store, cx| {
 556            this.update_entries(cx);
 557        })
 558        .detach();
 559
 560        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
 561        cx.defer_in(window, move |this, window, cx| {
 562            for workspace in &workspaces {
 563                this.subscribe_to_workspace(workspace, window, cx);
 564            }
 565            this.update_entries(cx);
 566        });
 567
 568        Self {
 569            multi_workspace: multi_workspace.downgrade(),
 570            width: DEFAULT_WIDTH,
 571            focus_handle,
 572            filter_editor,
 573            list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
 574            contents: SidebarContents::default(),
 575            selection: None,
 576            active_entry: None,
 577            hovered_thread_index: None,
 578            collapsed_groups: HashSet::new(),
 579            expanded_groups: HashMap::new(),
 580            thread_last_accessed: HashMap::new(),
 581            thread_last_message_sent_or_queued: HashMap::new(),
 582            thread_switcher: None,
 583            _thread_switcher_subscriptions: Vec::new(),
 584            pending_remote_thread_activation: None,
 585            view: SidebarView::default(),
 586            restoring_tasks: HashMap::new(),
 587            recent_projects_popover_handle: PopoverMenuHandle::default(),
 588            project_header_menu_ix: None,
 589            _subscriptions: Vec::new(),
 590            _draft_observation: None,
 591        }
 592    }
 593
 594    fn serialize(&mut self, cx: &mut Context<Self>) {
 595        cx.emit(workspace::SidebarEvent::SerializeNeeded);
 596    }
 597
 598    fn active_entry_workspace(&self) -> Option<&Entity<Workspace>> {
 599        self.active_entry.as_ref().map(|entry| entry.workspace())
 600    }
 601
 602    fn is_active_workspace(&self, workspace: &Entity<Workspace>, cx: &App) -> bool {
 603        self.multi_workspace
 604            .upgrade()
 605            .map_or(false, |mw| mw.read(cx).workspace() == workspace)
 606    }
 607
 608    fn subscribe_to_workspace(
 609        &mut self,
 610        workspace: &Entity<Workspace>,
 611        window: &mut Window,
 612        cx: &mut Context<Self>,
 613    ) {
 614        let project = workspace.read(cx).project().clone();
 615        cx.subscribe_in(
 616            &project,
 617            window,
 618            |this, _project, event, _window, cx| match event {
 619                ProjectEvent::WorktreeAdded(_)
 620                | ProjectEvent::WorktreeRemoved(_)
 621                | ProjectEvent::WorktreeOrderChanged => {
 622                    this.update_entries(cx);
 623                }
 624                _ => {}
 625            },
 626        )
 627        .detach();
 628
 629        let git_store = workspace.read(cx).project().read(cx).git_store().clone();
 630        cx.subscribe_in(
 631            &git_store,
 632            window,
 633            |this, _, event: &project::git_store::GitStoreEvent, _window, cx| {
 634                if matches!(
 635                    event,
 636                    project::git_store::GitStoreEvent::RepositoryUpdated(
 637                        _,
 638                        project::git_store::RepositoryEvent::GitWorktreeListChanged,
 639                        _,
 640                    )
 641                ) {
 642                    this.update_entries(cx);
 643                }
 644            },
 645        )
 646        .detach();
 647
 648        cx.subscribe_in(
 649            workspace,
 650            window,
 651            |this, _workspace, event: &workspace::Event, window, cx| {
 652                if let workspace::Event::PanelAdded(view) = event {
 653                    if let Ok(agent_panel) = view.clone().downcast::<AgentPanel>() {
 654                        this.subscribe_to_agent_panel(&agent_panel, window, cx);
 655                    }
 656                }
 657            },
 658        )
 659        .detach();
 660
 661        self.observe_docks(workspace, cx);
 662
 663        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
 664            self.subscribe_to_agent_panel(&agent_panel, window, cx);
 665            self.observe_draft_editor(cx);
 666        }
 667    }
 668
 669    fn subscribe_to_agent_panel(
 670        &mut self,
 671        agent_panel: &Entity<AgentPanel>,
 672        window: &mut Window,
 673        cx: &mut Context<Self>,
 674    ) {
 675        cx.subscribe_in(
 676            agent_panel,
 677            window,
 678            |this, agent_panel, event: &AgentPanelEvent, _window, cx| match event {
 679                AgentPanelEvent::ActiveViewChanged => {
 680                    let is_new_draft = agent_panel
 681                        .read(cx)
 682                        .active_conversation_view()
 683                        .is_some_and(|cv| cv.read(cx).parent_id(cx).is_none());
 684                    if is_new_draft {
 685                        if let Some(active_workspace) = this
 686                            .multi_workspace
 687                            .upgrade()
 688                            .map(|mw| mw.read(cx).workspace().clone())
 689                        {
 690                            this.active_entry = Some(ActiveEntry::Draft(active_workspace));
 691                        }
 692                    }
 693                    this.observe_draft_editor(cx);
 694                    this.update_entries(cx);
 695                }
 696                AgentPanelEvent::ThreadFocused | AgentPanelEvent::BackgroundThreadChanged => {
 697                    this.update_entries(cx);
 698                }
 699                AgentPanelEvent::MessageSentOrQueued { session_id } => {
 700                    this.record_thread_message_sent(session_id);
 701                    this.update_entries(cx);
 702                }
 703            },
 704        )
 705        .detach();
 706    }
 707
 708    fn observe_docks(&mut self, workspace: &Entity<Workspace>, cx: &mut Context<Self>) {
 709        let docks: Vec<_> = workspace
 710            .read(cx)
 711            .all_docks()
 712            .into_iter()
 713            .cloned()
 714            .collect();
 715        let workspace = workspace.downgrade();
 716        for dock in docks {
 717            let workspace = workspace.clone();
 718            cx.observe(&dock, move |this, _dock, cx| {
 719                let Some(workspace) = workspace.upgrade() else {
 720                    return;
 721                };
 722                if !this.is_active_workspace(&workspace, cx) {
 723                    return;
 724                }
 725
 726                cx.notify();
 727            })
 728            .detach();
 729        }
 730    }
 731
 732    fn observe_draft_editor(&mut self, cx: &mut Context<Self>) {
 733        self._draft_observation = self
 734            .multi_workspace
 735            .upgrade()
 736            .and_then(|mw| {
 737                let ws = mw.read(cx).workspace();
 738                ws.read(cx).panel::<AgentPanel>(cx)
 739            })
 740            .and_then(|panel| {
 741                let cv = panel.read(cx).active_conversation_view()?;
 742                let tv = cv.read(cx).active_thread()?;
 743                Some(tv.read(cx).message_editor.clone())
 744            })
 745            .map(|editor| {
 746                cx.observe(&editor, |_this, _editor, cx| {
 747                    cx.notify();
 748                })
 749            });
 750    }
 751
 752    fn active_draft_text(&self, cx: &App) -> Option<SharedString> {
 753        let mw = self.multi_workspace.upgrade()?;
 754        let workspace = mw.read(cx).workspace();
 755        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?;
 756        let conversation_view = panel.read(cx).active_conversation_view()?;
 757        let thread_view = conversation_view.read(cx).active_thread()?;
 758        let raw = thread_view.read(cx).message_editor.read(cx).text(cx);
 759        let cleaned = Self::clean_mention_links(&raw);
 760        let mut text: String = cleaned.split_whitespace().collect::<Vec<_>>().join(" ");
 761        if text.is_empty() {
 762            None
 763        } else {
 764            const MAX_CHARS: usize = 250;
 765            if let Some((truncate_at, _)) = text.char_indices().nth(MAX_CHARS) {
 766                text.truncate(truncate_at);
 767            }
 768            Some(text.into())
 769        }
 770    }
 771
 772    fn clean_mention_links(input: &str) -> String {
 773        let mut result = String::with_capacity(input.len());
 774        let mut remaining = input;
 775
 776        while let Some(start) = remaining.find("[@") {
 777            result.push_str(&remaining[..start]);
 778            let after_bracket = &remaining[start + 1..]; // skip '['
 779            if let Some(close_bracket) = after_bracket.find("](") {
 780                let mention = &after_bracket[..close_bracket]; // "@something"
 781                let after_link_start = &after_bracket[close_bracket + 2..]; // after "]("
 782                if let Some(close_paren) = after_link_start.find(')') {
 783                    result.push_str(mention);
 784                    remaining = &after_link_start[close_paren + 1..];
 785                    continue;
 786                }
 787            }
 788            // Couldn't parse full link syntax — emit the literal "[@" and move on.
 789            result.push_str("[@");
 790            remaining = &remaining[start + 2..];
 791        }
 792        result.push_str(remaining);
 793        result
 794    }
 795
 796    /// Opens a new workspace for a group that has no open workspaces.
 797    fn open_workspace_for_group(
 798        &mut self,
 799        project_group_key: &ProjectGroupKey,
 800        window: &mut Window,
 801        cx: &mut Context<Self>,
 802    ) {
 803        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 804            return;
 805        };
 806        let path_list = project_group_key.path_list().clone();
 807        let host = project_group_key.host();
 808        let provisional_key = Some(project_group_key.clone());
 809        let active_workspace = multi_workspace.read(cx).workspace().clone();
 810        let modal_workspace = active_workspace.clone();
 811
 812        let task = multi_workspace.update(cx, |this, cx| {
 813            this.find_or_create_workspace(
 814                path_list,
 815                host,
 816                provisional_key,
 817                |options, window, cx| connect_remote(active_workspace, options, window, cx),
 818                window,
 819                cx,
 820            )
 821        });
 822
 823        cx.spawn_in(window, async move |_this, cx| {
 824            let result = task.await;
 825            remote_connection::dismiss_connection_modal(&modal_workspace, cx);
 826            result?;
 827            anyhow::Ok(())
 828        })
 829        .detach_and_log_err(cx);
 830    }
 831
 832    /// Rebuilds the sidebar contents from current workspace and thread state.
 833    ///
 834    /// Iterates [`MultiWorkspace::project_group_keys`] to determine project
 835    /// groups, then populates thread entries from the metadata store and
 836    /// merges live thread info from active agent panels.
 837    ///
 838    /// Aim for a single forward pass over workspaces and threads plus an
 839    /// O(T log T) sort. Avoid adding extra scans over the data.
 840    ///
 841    /// Properties:
 842    ///
 843    /// - Should always show every workspace in the multiworkspace
 844    ///     - If you have no threads, and two workspaces for the worktree and the main workspace, make sure at least one is shown
 845    /// - Should always show every thread, associated with each workspace in the multiworkspace
 846    /// - After every build_contents, our "active" state should exactly match the current workspace's, current agent panel's current thread.
 847    fn rebuild_contents(&mut self, cx: &App) {
 848        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 849            return;
 850        };
 851        let mw = multi_workspace.read(cx);
 852        let workspaces: Vec<_> = mw.workspaces().cloned().collect();
 853        let active_workspace = Some(mw.workspace().clone());
 854
 855        let agent_server_store = workspaces
 856            .first()
 857            .map(|ws| ws.read(cx).project().read(cx).agent_server_store().clone());
 858
 859        let query = self.filter_editor.read(cx).text(cx);
 860
 861        // Derive active_entry from the active workspace's agent panel.
 862        // Draft is checked first because a conversation can have a session_id
 863        // before any messages are sent. However, a thread that's still loading
 864        // also appears as a "draft" (no messages yet).
 865        if let Some(active_ws) = &active_workspace {
 866            if let Some(panel) = active_ws.read(cx).panel::<AgentPanel>(cx) {
 867                let active_thread_is_draft = panel.read(cx).active_thread_is_draft(cx);
 868                let active_conversation_view = panel.read(cx).active_conversation_view();
 869
 870                if active_thread_is_draft || active_conversation_view.is_none() {
 871                    if active_conversation_view.is_none()
 872                        && let Some(session_id) = self.pending_remote_thread_activation.clone()
 873                    {
 874                        self.active_entry = Some(ActiveEntry::Thread {
 875                            session_id,
 876                            workspace: active_ws.clone(),
 877                        });
 878                    } else {
 879                        let conversation_parent_id =
 880                            active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx));
 881                        let preserving_thread = if let Some(ActiveEntry::Thread {
 882                            session_id,
 883                            ..
 884                        }) = &self.active_entry
 885                        {
 886                            self.active_entry_workspace() == Some(active_ws)
 887                                && conversation_parent_id
 888                                    .as_ref()
 889                                    .is_some_and(|id| id == session_id)
 890                        } else {
 891                            false
 892                        };
 893                        if !preserving_thread {
 894                            self.active_entry = Some(ActiveEntry::Draft(active_ws.clone()));
 895                        }
 896                    }
 897                } else if let Some(session_id) =
 898                    active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx))
 899                {
 900                    if self.pending_remote_thread_activation.as_ref() == Some(&session_id) {
 901                        self.pending_remote_thread_activation = None;
 902                    }
 903                    self.active_entry = Some(ActiveEntry::Thread {
 904                        session_id,
 905                        workspace: active_ws.clone(),
 906                    });
 907                }
 908                // else: conversation exists, not a draft, but no session_id
 909                // yet — thread is mid-load. Keep previous value.
 910            }
 911        }
 912
 913        let previous = mem::take(&mut self.contents);
 914
 915        let old_statuses: HashMap<acp::SessionId, AgentThreadStatus> = previous
 916            .entries
 917            .iter()
 918            .filter_map(|entry| match entry {
 919                ListEntry::Thread(thread) if thread.is_live => {
 920                    Some((thread.metadata.session_id.clone(), thread.status))
 921                }
 922                _ => None,
 923            })
 924            .collect();
 925
 926        let mut entries = Vec::new();
 927        let mut notified_threads = previous.notified_threads;
 928        let mut current_session_ids: HashSet<acp::SessionId> = HashSet::new();
 929        let mut project_header_indices: Vec<usize> = Vec::new();
 930
 931        let has_open_projects = workspaces
 932            .iter()
 933            .any(|ws| !workspace_path_list(ws, cx).paths().is_empty());
 934
 935        let resolve_agent_icon = |agent_id: &AgentId| -> (IconName, Option<SharedString>) {
 936            let agent = Agent::from(agent_id.clone());
 937            let icon = match agent {
 938                Agent::NativeAgent => IconName::ZedAgent,
 939                Agent::Custom { .. } => IconName::Terminal,
 940            };
 941            let icon_from_external_svg = agent_server_store
 942                .as_ref()
 943                .and_then(|store| store.read(cx).agent_icon(&agent_id));
 944            (icon, icon_from_external_svg)
 945        };
 946
 947        let groups: Vec<_> = mw.project_groups(cx).collect();
 948
 949        let mut all_paths: Vec<PathBuf> = groups
 950            .iter()
 951            .flat_map(|(key, _)| key.path_list().paths().iter().cloned())
 952            .collect();
 953        all_paths.sort();
 954        all_paths.dedup();
 955        let path_details =
 956            util::disambiguate::compute_disambiguation_details(&all_paths, |path, detail| {
 957                project::path_suffix(path, detail)
 958            });
 959        let path_detail_map: HashMap<PathBuf, usize> =
 960            all_paths.into_iter().zip(path_details).collect();
 961
 962        for (group_key, group_workspaces) in &groups {
 963            if group_key.path_list().paths().is_empty() {
 964                continue;
 965            }
 966
 967            let label = group_key.display_name(&path_detail_map);
 968
 969            let is_collapsed = self.collapsed_groups.contains(&group_key);
 970            let should_load_threads = !is_collapsed || !query.is_empty();
 971
 972            let is_active = active_workspace
 973                .as_ref()
 974                .is_some_and(|active| group_workspaces.contains(active));
 975
 976            // Collect live thread infos from all workspaces in this group.
 977            let live_infos: Vec<_> = group_workspaces
 978                .iter()
 979                .flat_map(|ws| all_thread_infos_for_workspace(ws, cx))
 980                .collect();
 981
 982            let mut threads: Vec<ThreadEntry> = Vec::new();
 983            let mut has_running_threads = false;
 984            let mut waiting_thread_count: usize = 0;
 985
 986            if should_load_threads {
 987                let mut seen_session_ids: HashSet<acp::SessionId> = HashSet::new();
 988                let thread_store = ThreadMetadataStore::global(cx);
 989
 990                // Build a lookup from workspace root paths to their workspace
 991                // entity, used to assign ThreadEntryWorkspace::Open for threads
 992                // whose folder_paths match an open workspace.
 993                let workspace_by_path_list: HashMap<PathList, &Entity<Workspace>> =
 994                    group_workspaces
 995                        .iter()
 996                        .map(|ws| (workspace_path_list(ws, cx), ws))
 997                        .collect();
 998
 999                // Resolve a ThreadEntryWorkspace for a thread row. If any open
1000                // workspace's root paths match the thread's folder_paths, use
1001                // Open; otherwise use Closed.
1002                let resolve_workspace = |row: &ThreadMetadata| -> ThreadEntryWorkspace {
1003                    workspace_by_path_list
1004                        .get(row.folder_paths())
1005                        .map(|ws| ThreadEntryWorkspace::Open((*ws).clone()))
1006                        .unwrap_or_else(|| ThreadEntryWorkspace::Closed {
1007                            folder_paths: row.folder_paths().clone(),
1008                            project_group_key: group_key.clone(),
1009                        })
1010                };
1011
1012                // Build a ThreadEntry from a metadata row.
1013                let make_thread_entry =
1014                    |row: ThreadMetadata, workspace: ThreadEntryWorkspace| -> ThreadEntry {
1015                        let (icon, icon_from_external_svg) = resolve_agent_icon(&row.agent_id);
1016                        let worktrees = worktree_info_from_thread_paths(&row.worktree_paths);
1017                        ThreadEntry {
1018                            metadata: row,
1019                            icon,
1020                            icon_from_external_svg,
1021                            status: AgentThreadStatus::default(),
1022                            workspace,
1023                            is_live: false,
1024                            is_background: false,
1025                            is_title_generating: false,
1026                            highlight_positions: Vec::new(),
1027                            worktrees,
1028                            diff_stats: DiffStats::default(),
1029                        }
1030                    };
1031
1032                // Main code path: one query per group via main_worktree_paths.
1033                // The main_worktree_paths column is set on all new threads and
1034                // points to the group's canonical paths regardless of which
1035                // linked worktree the thread was opened in.
1036                for row in thread_store
1037                    .read(cx)
1038                    .entries_for_main_worktree_path(group_key.path_list())
1039                    .cloned()
1040                {
1041                    if !seen_session_ids.insert(row.session_id.clone()) {
1042                        continue;
1043                    }
1044                    let workspace = resolve_workspace(&row);
1045                    threads.push(make_thread_entry(row, workspace));
1046                }
1047
1048                // Legacy threads did not have `main_worktree_paths` populated, so they
1049                // must be queried by their `folder_paths`.
1050
1051                // Load any legacy threads for the main worktrees of this project group.
1052                for row in thread_store
1053                    .read(cx)
1054                    .entries_for_path(group_key.path_list())
1055                    .cloned()
1056                {
1057                    if !seen_session_ids.insert(row.session_id.clone()) {
1058                        continue;
1059                    }
1060                    let workspace = resolve_workspace(&row);
1061                    threads.push(make_thread_entry(row, workspace));
1062                }
1063
1064                // Load any legacy threads for any single linked wortree of this project group.
1065                let mut linked_worktree_paths = HashSet::new();
1066                for workspace in group_workspaces {
1067                    if workspace.read(cx).visible_worktrees(cx).count() != 1 {
1068                        continue;
1069                    }
1070                    for snapshot in root_repository_snapshots(workspace, cx) {
1071                        for linked_worktree in snapshot.linked_worktrees() {
1072                            linked_worktree_paths.insert(linked_worktree.path.clone());
1073                        }
1074                    }
1075                }
1076                for path in linked_worktree_paths {
1077                    let worktree_path_list = PathList::new(std::slice::from_ref(&path));
1078                    for row in thread_store
1079                        .read(cx)
1080                        .entries_for_path(&worktree_path_list)
1081                        .cloned()
1082                    {
1083                        if !seen_session_ids.insert(row.session_id.clone()) {
1084                            continue;
1085                        }
1086                        threads.push(make_thread_entry(
1087                            row,
1088                            ThreadEntryWorkspace::Closed {
1089                                folder_paths: worktree_path_list.clone(),
1090                                project_group_key: group_key.clone(),
1091                            },
1092                        ));
1093                    }
1094                }
1095
1096                // Build a lookup from live_infos and compute running/waiting
1097                // counts in a single pass.
1098                let mut live_info_by_session: HashMap<&acp::SessionId, &ActiveThreadInfo> =
1099                    HashMap::new();
1100                for info in &live_infos {
1101                    live_info_by_session.insert(&info.session_id, info);
1102                    if info.status == AgentThreadStatus::Running {
1103                        has_running_threads = true;
1104                    }
1105                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1106                        waiting_thread_count += 1;
1107                    }
1108                }
1109
1110                // Merge live info into threads and update notification state
1111                // in a single pass.
1112                for thread in &mut threads {
1113                    if let Some(info) = live_info_by_session.get(&thread.metadata.session_id) {
1114                        thread.apply_active_info(info);
1115                    }
1116
1117                    let session_id = &thread.metadata.session_id;
1118
1119                    let is_active_thread = self.active_entry.as_ref().is_some_and(|entry| {
1120                        entry.is_active_thread(session_id)
1121                            && active_workspace
1122                                .as_ref()
1123                                .is_some_and(|active| active == entry.workspace())
1124                    });
1125
1126                    if thread.status == AgentThreadStatus::Completed
1127                        && !is_active_thread
1128                        && old_statuses.get(session_id) == Some(&AgentThreadStatus::Running)
1129                    {
1130                        notified_threads.insert(session_id.clone());
1131                    }
1132
1133                    if is_active_thread && !thread.is_background {
1134                        notified_threads.remove(session_id);
1135                    }
1136                }
1137
1138                threads.sort_by(|a, b| {
1139                    let a_time = self
1140                        .thread_last_message_sent_or_queued
1141                        .get(&a.metadata.session_id)
1142                        .copied()
1143                        .or(a.metadata.created_at)
1144                        .or(Some(a.metadata.updated_at));
1145                    let b_time = self
1146                        .thread_last_message_sent_or_queued
1147                        .get(&b.metadata.session_id)
1148                        .copied()
1149                        .or(b.metadata.created_at)
1150                        .or(Some(b.metadata.updated_at));
1151                    b_time.cmp(&a_time)
1152                });
1153            } else {
1154                for info in live_infos {
1155                    if info.status == AgentThreadStatus::Running {
1156                        has_running_threads = true;
1157                    }
1158                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1159                        waiting_thread_count += 1;
1160                    }
1161                }
1162            }
1163
1164            let has_threads = if !threads.is_empty() {
1165                true
1166            } else {
1167                let store = ThreadMetadataStore::global(cx).read(cx);
1168                store
1169                    .entries_for_main_worktree_path(group_key.path_list())
1170                    .next()
1171                    .is_some()
1172                    || store
1173                        .entries_for_path(group_key.path_list())
1174                        .next()
1175                        .is_some()
1176            };
1177
1178            if !query.is_empty() {
1179                let workspace_highlight_positions =
1180                    fuzzy_match_positions(&query, &label).unwrap_or_default();
1181                let workspace_matched = !workspace_highlight_positions.is_empty();
1182
1183                let mut matched_threads: Vec<ThreadEntry> = Vec::new();
1184                for mut thread in threads {
1185                    let title: &str = &thread.metadata.title;
1186                    if let Some(positions) = fuzzy_match_positions(&query, title) {
1187                        thread.highlight_positions = positions;
1188                    }
1189                    let mut worktree_matched = false;
1190                    for worktree in &mut thread.worktrees {
1191                        if let Some(positions) = fuzzy_match_positions(&query, &worktree.name) {
1192                            worktree.highlight_positions = positions;
1193                            worktree_matched = true;
1194                        }
1195                    }
1196                    if workspace_matched
1197                        || !thread.highlight_positions.is_empty()
1198                        || worktree_matched
1199                    {
1200                        matched_threads.push(thread);
1201                    }
1202                }
1203
1204                if matched_threads.is_empty() && !workspace_matched {
1205                    continue;
1206                }
1207
1208                project_header_indices.push(entries.len());
1209                entries.push(ListEntry::ProjectHeader {
1210                    key: group_key.clone(),
1211                    label,
1212                    highlight_positions: workspace_highlight_positions,
1213                    has_running_threads,
1214                    waiting_thread_count,
1215                    is_active,
1216                    has_threads,
1217                });
1218
1219                for thread in matched_threads {
1220                    current_session_ids.insert(thread.metadata.session_id.clone());
1221                    entries.push(thread.into());
1222                }
1223            } else {
1224                let is_draft_for_group = is_active
1225                    && matches!(&self.active_entry, Some(ActiveEntry::Draft(ws)) if group_workspaces.contains(ws));
1226
1227                project_header_indices.push(entries.len());
1228                entries.push(ListEntry::ProjectHeader {
1229                    key: group_key.clone(),
1230                    label,
1231                    highlight_positions: Vec::new(),
1232                    has_running_threads,
1233                    waiting_thread_count,
1234                    is_active,
1235                    has_threads,
1236                });
1237
1238                if is_collapsed {
1239                    continue;
1240                }
1241
1242                // Emit a DraftThread entry when the active draft belongs to this group.
1243                if is_draft_for_group {
1244                    if let Some(ActiveEntry::Draft(draft_ws)) = &self.active_entry {
1245                        let ws_worktree_paths = ThreadWorktreePaths::from_project(
1246                            draft_ws.read(cx).project().read(cx),
1247                            cx,
1248                        );
1249                        let worktrees = worktree_info_from_thread_paths(&ws_worktree_paths);
1250                        entries.push(ListEntry::DraftThread {
1251                            key: group_key.clone(),
1252                            workspace: None,
1253                            worktrees,
1254                        });
1255                    }
1256                }
1257
1258                // Emit a DraftThread for each open linked worktree workspace
1259                // that has no threads. Skip the specific workspace that is
1260                // showing the active draft (it already has a DraftThread entry
1261                // from the block above).
1262                {
1263                    let draft_ws_id = if is_draft_for_group {
1264                        self.active_entry.as_ref().and_then(|e| match e {
1265                            ActiveEntry::Draft(ws) => Some(ws.entity_id()),
1266                            _ => None,
1267                        })
1268                    } else {
1269                        None
1270                    };
1271                    let thread_store = ThreadMetadataStore::global(cx);
1272                    for ws in group_workspaces {
1273                        if Some(ws.entity_id()) == draft_ws_id {
1274                            continue;
1275                        }
1276                        let ws_worktree_paths =
1277                            ThreadWorktreePaths::from_project(ws.read(cx).project().read(cx), cx);
1278                        let has_linked_worktrees =
1279                            worktree_info_from_thread_paths(&ws_worktree_paths)
1280                                .iter()
1281                                .any(|wt| wt.kind == ui::WorktreeKind::Linked);
1282                        if !has_linked_worktrees {
1283                            continue;
1284                        }
1285                        let ws_path_list = workspace_path_list(ws, cx);
1286                        let store = thread_store.read(cx);
1287                        let has_threads = store.entries_for_path(&ws_path_list).next().is_some()
1288                            || store
1289                                .entries_for_main_worktree_path(&ws_path_list)
1290                                .next()
1291                                .is_some();
1292                        if has_threads {
1293                            continue;
1294                        }
1295                        let worktrees = worktree_info_from_thread_paths(&ws_worktree_paths);
1296
1297                        entries.push(ListEntry::DraftThread {
1298                            key: group_key.clone(),
1299                            workspace: Some(ws.clone()),
1300                            worktrees,
1301                        });
1302                    }
1303                }
1304
1305                let total = threads.len();
1306
1307                let extra_batches = self.expanded_groups.get(&group_key).copied().unwrap_or(0);
1308                let threads_to_show =
1309                    DEFAULT_THREADS_SHOWN + (extra_batches * DEFAULT_THREADS_SHOWN);
1310                let count = threads_to_show.min(total);
1311
1312                let mut promoted_threads: HashSet<acp::SessionId> = HashSet::new();
1313
1314                // Build visible entries in a single pass. Threads within
1315                // the cutoff are always shown. Threads beyond it are shown
1316                // only if they should be promoted (running, waiting, or
1317                // focused)
1318                for (index, thread) in threads.into_iter().enumerate() {
1319                    let is_hidden = index >= count;
1320
1321                    let session_id = &thread.metadata.session_id;
1322                    if is_hidden {
1323                        let is_promoted = thread.status == AgentThreadStatus::Running
1324                            || thread.status == AgentThreadStatus::WaitingForConfirmation
1325                            || notified_threads.contains(session_id)
1326                            || self.active_entry.as_ref().is_some_and(|active| {
1327                                active.matches_entry(&ListEntry::Thread(thread.clone()))
1328                            });
1329                        if is_promoted {
1330                            promoted_threads.insert(session_id.clone());
1331                        }
1332                        if !promoted_threads.contains(session_id) {
1333                            continue;
1334                        }
1335                    }
1336
1337                    current_session_ids.insert(session_id.clone());
1338                    entries.push(thread.into());
1339                }
1340
1341                let visible = count + promoted_threads.len();
1342                let is_fully_expanded = visible >= total;
1343
1344                if total > DEFAULT_THREADS_SHOWN {
1345                    entries.push(ListEntry::ViewMore {
1346                        key: group_key.clone(),
1347                        is_fully_expanded,
1348                    });
1349                }
1350            }
1351        }
1352
1353        // Prune stale notifications using the session IDs we collected during
1354        // the build pass (no extra scan needed).
1355        notified_threads.retain(|id| current_session_ids.contains(id));
1356
1357        self.thread_last_accessed
1358            .retain(|id, _| current_session_ids.contains(id));
1359        self.thread_last_message_sent_or_queued
1360            .retain(|id, _| current_session_ids.contains(id));
1361
1362        self.contents = SidebarContents {
1363            entries,
1364            notified_threads,
1365            project_header_indices,
1366            has_open_projects,
1367        };
1368    }
1369
1370    /// Rebuilds the sidebar's visible entries from already-cached state.
1371    fn update_entries(&mut self, cx: &mut Context<Self>) {
1372        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
1373            return;
1374        };
1375        if !multi_workspace.read(cx).multi_workspace_enabled(cx) {
1376            return;
1377        }
1378
1379        let had_notifications = self.has_notifications(cx);
1380        let scroll_position = self.list_state.logical_scroll_top();
1381
1382        self.rebuild_contents(cx);
1383
1384        self.list_state.reset(self.contents.entries.len());
1385        self.list_state.scroll_to(scroll_position);
1386
1387        if had_notifications != self.has_notifications(cx) {
1388            multi_workspace.update(cx, |_, cx| {
1389                cx.notify();
1390            });
1391        }
1392
1393        cx.notify();
1394    }
1395
1396    fn select_first_entry(&mut self) {
1397        self.selection = self
1398            .contents
1399            .entries
1400            .iter()
1401            .position(|entry| matches!(entry, ListEntry::Thread(_)))
1402            .or_else(|| {
1403                if self.contents.entries.is_empty() {
1404                    None
1405                } else {
1406                    Some(0)
1407                }
1408            });
1409    }
1410
1411    fn render_list_entry(
1412        &mut self,
1413        ix: usize,
1414        window: &mut Window,
1415        cx: &mut Context<Self>,
1416    ) -> AnyElement {
1417        let Some(entry) = self.contents.entries.get(ix) else {
1418            return div().into_any_element();
1419        };
1420        let is_focused = self.focus_handle.is_focused(window);
1421        // is_selected means the keyboard selector is here.
1422        let is_selected = is_focused && self.selection == Some(ix);
1423
1424        let is_group_header_after_first =
1425            ix > 0 && matches!(entry, ListEntry::ProjectHeader { .. });
1426
1427        let is_active = self
1428            .active_entry
1429            .as_ref()
1430            .is_some_and(|active| active.matches_entry(entry));
1431
1432        let rendered = match entry {
1433            ListEntry::ProjectHeader {
1434                key,
1435                label,
1436                highlight_positions,
1437                has_running_threads,
1438                waiting_thread_count,
1439                is_active: is_active_group,
1440                has_threads,
1441            } => self.render_project_header(
1442                ix,
1443                false,
1444                key,
1445                label,
1446                highlight_positions,
1447                *has_running_threads,
1448                *waiting_thread_count,
1449                *is_active_group,
1450                is_selected,
1451                *has_threads,
1452                cx,
1453            ),
1454            ListEntry::Thread(thread) => self.render_thread(ix, thread, is_active, is_selected, cx),
1455            ListEntry::ViewMore {
1456                key,
1457                is_fully_expanded,
1458            } => self.render_view_more(ix, key, *is_fully_expanded, is_selected, cx),
1459            ListEntry::DraftThread {
1460                key,
1461                workspace,
1462                worktrees,
1463            } => {
1464                if workspace.is_some() {
1465                    self.render_new_thread(ix, key, worktrees, workspace.as_ref(), is_selected, cx)
1466                } else {
1467                    self.render_draft_thread(ix, is_active, worktrees, is_selected, cx)
1468                }
1469            }
1470        };
1471
1472        if is_group_header_after_first {
1473            v_flex()
1474                .w_full()
1475                .border_t_1()
1476                .border_color(cx.theme().colors().border)
1477                .child(rendered)
1478                .into_any_element()
1479        } else {
1480            rendered
1481        }
1482    }
1483
1484    fn render_remote_project_icon(
1485        &self,
1486        ix: usize,
1487        host: Option<&RemoteConnectionOptions>,
1488    ) -> Option<AnyElement> {
1489        let remote_icon_per_type = match host? {
1490            RemoteConnectionOptions::Wsl(_) => IconName::Linux,
1491            RemoteConnectionOptions::Docker(_) => IconName::Box,
1492            _ => IconName::Server,
1493        };
1494
1495        Some(
1496            div()
1497                .id(format!("remote-project-icon-{}", ix))
1498                .child(
1499                    Icon::new(remote_icon_per_type)
1500                        .size(IconSize::XSmall)
1501                        .color(Color::Muted),
1502                )
1503                .tooltip(Tooltip::text("Remote Project"))
1504                .into_any_element(),
1505        )
1506    }
1507
1508    fn render_project_header(
1509        &self,
1510        ix: usize,
1511        is_sticky: bool,
1512        key: &ProjectGroupKey,
1513        label: &SharedString,
1514        highlight_positions: &[usize],
1515        has_running_threads: bool,
1516        waiting_thread_count: usize,
1517        is_active: bool,
1518        is_focused: bool,
1519        has_threads: bool,
1520        cx: &mut Context<Self>,
1521    ) -> AnyElement {
1522        let host = key.host();
1523
1524        let id_prefix = if is_sticky { "sticky-" } else { "" };
1525        let id = SharedString::from(format!("{id_prefix}project-header-{ix}"));
1526        let disclosure_id = SharedString::from(format!("disclosure-{ix}"));
1527        let group_name = SharedString::from(format!("{id_prefix}header-group-{ix}"));
1528
1529        let is_collapsed = self.collapsed_groups.contains(key);
1530        let (disclosure_icon, disclosure_tooltip) = if is_collapsed {
1531            (IconName::ChevronRight, "Expand Project")
1532        } else {
1533            (IconName::ChevronDown, "Collapse Project")
1534        };
1535
1536        let has_new_thread_entry = self
1537            .contents
1538            .entries
1539            .get(ix + 1)
1540            .is_some_and(|entry| matches!(entry, ListEntry::DraftThread { .. }));
1541        let show_new_thread_button = !has_new_thread_entry && !self.has_filter_query(cx);
1542        let workspace = self.multi_workspace.upgrade().and_then(|mw| {
1543            mw.read(cx)
1544                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
1545        });
1546
1547        let key_for_toggle = key.clone();
1548        let key_for_collapse = key.clone();
1549        let view_more_expanded = self.expanded_groups.contains_key(key);
1550
1551        let label = if highlight_positions.is_empty() {
1552            Label::new(label.clone())
1553                .when(!is_active, |this| this.color(Color::Muted))
1554                .into_any_element()
1555        } else {
1556            HighlightedLabel::new(label.clone(), highlight_positions.to_vec())
1557                .when(!is_active, |this| this.color(Color::Muted))
1558                .into_any_element()
1559        };
1560
1561        let color = cx.theme().colors();
1562        let hover_color = color
1563            .element_active
1564            .blend(color.element_background.opacity(0.2));
1565
1566        let is_ellipsis_menu_open = self.project_header_menu_ix == Some(ix);
1567
1568        h_flex()
1569            .id(id)
1570            .group(&group_name)
1571            .h(Tab::content_height(cx))
1572            .w_full()
1573            .pl(px(5.))
1574            .pr_1p5()
1575            .border_1()
1576            .map(|this| {
1577                if is_focused {
1578                    this.border_color(color.border_focused)
1579                } else {
1580                    this.border_color(gpui::transparent_black())
1581                }
1582            })
1583            .justify_between()
1584            .child(
1585                h_flex()
1586                    .relative()
1587                    .min_w_0()
1588                    .w_full()
1589                    .gap(px(5.))
1590                    .child(
1591                        IconButton::new(disclosure_id, disclosure_icon)
1592                            .shape(ui::IconButtonShape::Square)
1593                            .icon_size(IconSize::Small)
1594                            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.5)))
1595                            .tooltip(Tooltip::text(disclosure_tooltip))
1596                            .on_click(cx.listener(move |this, _, window, cx| {
1597                                this.selection = None;
1598                                this.toggle_collapse(&key_for_toggle, window, cx);
1599                            })),
1600                    )
1601                    .child(label)
1602                    .when_some(
1603                        self.render_remote_project_icon(ix, host.as_ref()),
1604                        |this, icon| this.child(icon),
1605                    )
1606                    .when(is_collapsed, |this| {
1607                        this.when(has_running_threads, |this| {
1608                            this.child(
1609                                Icon::new(IconName::LoadCircle)
1610                                    .size(IconSize::XSmall)
1611                                    .color(Color::Muted)
1612                                    .with_rotate_animation(2),
1613                            )
1614                        })
1615                        .when(waiting_thread_count > 0, |this| {
1616                            let tooltip_text = if waiting_thread_count == 1 {
1617                                "1 thread is waiting for confirmation".to_string()
1618                            } else {
1619                                format!(
1620                                    "{waiting_thread_count} threads are waiting for confirmation",
1621                                )
1622                            };
1623                            this.child(
1624                                div()
1625                                    .id(format!("{id_prefix}waiting-indicator-{ix}"))
1626                                    .child(
1627                                        Icon::new(IconName::Warning)
1628                                            .size(IconSize::XSmall)
1629                                            .color(Color::Warning),
1630                                    )
1631                                    .tooltip(Tooltip::text(tooltip_text)),
1632                            )
1633                        })
1634                    }),
1635            )
1636            .child(
1637                h_flex()
1638                    .when(!is_ellipsis_menu_open, |this| {
1639                        this.visible_on_hover(&group_name)
1640                    })
1641                    .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
1642                        cx.stop_propagation();
1643                    })
1644                    .child(self.render_project_header_ellipsis_menu(ix, id_prefix, key, cx))
1645                    .when(view_more_expanded && !is_collapsed, |this| {
1646                        this.child(
1647                            IconButton::new(
1648                                SharedString::from(format!(
1649                                    "{id_prefix}project-header-collapse-{ix}",
1650                                )),
1651                                IconName::ListCollapse,
1652                            )
1653                            .icon_size(IconSize::Small)
1654                            .tooltip(Tooltip::text("Collapse Displayed Threads"))
1655                            .on_click(cx.listener({
1656                                let key_for_collapse = key_for_collapse.clone();
1657                                move |this, _, _window, cx| {
1658                                    this.selection = None;
1659                                    this.expanded_groups.remove(&key_for_collapse);
1660                                    this.serialize(cx);
1661                                    this.update_entries(cx);
1662                                }
1663                            })),
1664                        )
1665                    })
1666                    .when_some(
1667                        workspace.filter(|_| show_new_thread_button),
1668                        |this, workspace| {
1669                            let key = key.clone();
1670                            let focus_handle = self.focus_handle.clone();
1671                            this.child(
1672                                IconButton::new(
1673                                    SharedString::from(format!(
1674                                        "{id_prefix}project-header-new-thread-{ix}",
1675                                    )),
1676                                    IconName::Plus,
1677                                )
1678                                .icon_size(IconSize::Small)
1679                                .tooltip(move |_, cx| {
1680                                    Tooltip::for_action_in(
1681                                        "New Thread",
1682                                        &NewThread,
1683                                        &focus_handle,
1684                                        cx,
1685                                    )
1686                                })
1687                                .on_click(cx.listener(
1688                                    move |this, _, window, cx| {
1689                                        this.collapsed_groups.remove(&key);
1690                                        this.selection = None;
1691                                        this.create_new_thread(&workspace, window, cx);
1692                                    },
1693                                )),
1694                            )
1695                        },
1696                    ),
1697            )
1698            .map(|this| {
1699                if !has_threads && is_active {
1700                    this
1701                } else {
1702                    let key = key.clone();
1703                    this.cursor_pointer()
1704                        .when(!is_active, |this| this.hover(|s| s.bg(hover_color)))
1705                        .tooltip(Tooltip::text("Open Workspace"))
1706                        .on_click(cx.listener(move |this, _, window, cx| {
1707                            if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
1708                                mw.read(cx).workspace_for_paths(
1709                                    key.path_list(),
1710                                    key.host().as_ref(),
1711                                    cx,
1712                                )
1713                            }) {
1714                                this.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
1715                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
1716                                    multi_workspace.update(cx, |multi_workspace, cx| {
1717                                        multi_workspace.activate(workspace.clone(), window, cx);
1718                                    });
1719                                }
1720                                if AgentPanel::is_visible(&workspace, cx) {
1721                                    workspace.update(cx, |workspace, cx| {
1722                                        workspace.focus_panel::<AgentPanel>(window, cx);
1723                                    });
1724                                }
1725                            } else {
1726                                this.open_workspace_for_group(&key, window, cx);
1727                            }
1728                        }))
1729                }
1730            })
1731            .into_any_element()
1732    }
1733
1734    fn render_project_header_ellipsis_menu(
1735        &self,
1736        ix: usize,
1737        id_prefix: &str,
1738        project_group_key: &ProjectGroupKey,
1739        cx: &mut Context<Self>,
1740    ) -> impl IntoElement {
1741        let multi_workspace = self.multi_workspace.clone();
1742        let this = cx.weak_entity();
1743        let project_group_key = project_group_key.clone();
1744
1745        PopoverMenu::new(format!("{id_prefix}project-header-menu-{ix}"))
1746            .on_open(Rc::new({
1747                let this = this.clone();
1748                move |_window, cx| {
1749                    this.update(cx, |sidebar, cx| {
1750                        sidebar.project_header_menu_ix = Some(ix);
1751                        cx.notify();
1752                    })
1753                    .ok();
1754                }
1755            }))
1756            .menu(move |window, cx| {
1757                let multi_workspace = multi_workspace.clone();
1758                let project_group_key = project_group_key.clone();
1759
1760                let menu =
1761                    ContextMenu::build_persistent(window, cx, move |menu, _window, menu_cx| {
1762                        let mut menu = menu
1763                            .header("Project Folders")
1764                            .end_slot_action(Box::new(menu::EndSlot));
1765
1766                        for path in project_group_key.path_list().paths() {
1767                            let Some(name) = path.file_name() else {
1768                                continue;
1769                            };
1770                            let name: SharedString = name.to_string_lossy().into_owned().into();
1771                            let path = path.clone();
1772                            let project_group_key = project_group_key.clone();
1773                            let multi_workspace = multi_workspace.clone();
1774                            menu = menu.entry_with_end_slot_on_hover(
1775                                name.clone(),
1776                                None,
1777                                |_, _| {},
1778                                IconName::Close,
1779                                "Remove Folder".into(),
1780                                move |_window, cx| {
1781                                    multi_workspace
1782                                        .update(cx, |multi_workspace, cx| {
1783                                            multi_workspace.remove_folder_from_project_group(
1784                                                &project_group_key,
1785                                                &path,
1786                                                cx,
1787                                            );
1788                                        })
1789                                        .ok();
1790                                },
1791                            );
1792                        }
1793
1794                        let menu = menu.separator().entry(
1795                            "Add Folder to Project",
1796                            Some(Box::new(AddFolderToProject)),
1797                            {
1798                                let project_group_key = project_group_key.clone();
1799                                let multi_workspace = multi_workspace.clone();
1800                                move |window, cx| {
1801                                    multi_workspace
1802                                        .update(cx, |multi_workspace, cx| {
1803                                            multi_workspace.prompt_to_add_folders_to_project_group(
1804                                                &project_group_key,
1805                                                window,
1806                                                cx,
1807                                            );
1808                                        })
1809                                        .ok();
1810                                }
1811                            },
1812                        );
1813
1814                        let project_group_key = project_group_key.clone();
1815                        let multi_workspace = multi_workspace.clone();
1816                        let weak_menu = menu_cx.weak_entity();
1817                        menu.separator()
1818                            .entry("Remove Project", None, move |window, cx| {
1819                                multi_workspace
1820                                    .update(cx, |multi_workspace, cx| {
1821                                        multi_workspace
1822                                            .remove_project_group(&project_group_key, window, cx)
1823                                            .detach_and_log_err(cx);
1824                                    })
1825                                    .ok();
1826                                weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1827                            })
1828                    });
1829
1830                let this = this.clone();
1831                window
1832                    .subscribe(&menu, cx, move |_, _: &gpui::DismissEvent, _window, cx| {
1833                        this.update(cx, |sidebar, cx| {
1834                            sidebar.project_header_menu_ix = None;
1835                            cx.notify();
1836                        })
1837                        .ok();
1838                    })
1839                    .detach();
1840
1841                Some(menu)
1842            })
1843            .trigger(
1844                IconButton::new(
1845                    SharedString::from(format!("{id_prefix}-ellipsis-menu-{ix}")),
1846                    IconName::Ellipsis,
1847                )
1848                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1849                .icon_size(IconSize::Small),
1850            )
1851            .anchor(gpui::Corner::TopRight)
1852            .offset(gpui::Point {
1853                x: px(0.),
1854                y: px(1.),
1855            })
1856    }
1857
1858    fn render_sticky_header(
1859        &self,
1860        window: &mut Window,
1861        cx: &mut Context<Self>,
1862    ) -> Option<AnyElement> {
1863        let scroll_top = self.list_state.logical_scroll_top();
1864
1865        let &header_idx = self
1866            .contents
1867            .project_header_indices
1868            .iter()
1869            .rev()
1870            .find(|&&idx| idx <= scroll_top.item_ix)?;
1871
1872        let needs_sticky = header_idx < scroll_top.item_ix
1873            || (header_idx == scroll_top.item_ix && scroll_top.offset_in_item > px(0.));
1874
1875        if !needs_sticky {
1876            return None;
1877        }
1878
1879        let ListEntry::ProjectHeader {
1880            key,
1881            label,
1882            highlight_positions,
1883            has_running_threads,
1884            waiting_thread_count,
1885            is_active,
1886            has_threads,
1887        } = self.contents.entries.get(header_idx)?
1888        else {
1889            return None;
1890        };
1891
1892        let is_focused = self.focus_handle.is_focused(window);
1893        let is_selected = is_focused && self.selection == Some(header_idx);
1894
1895        let header_element = self.render_project_header(
1896            header_idx,
1897            true,
1898            key,
1899            &label,
1900            &highlight_positions,
1901            *has_running_threads,
1902            *waiting_thread_count,
1903            *is_active,
1904            *has_threads,
1905            is_selected,
1906            cx,
1907        );
1908
1909        let top_offset = self
1910            .contents
1911            .project_header_indices
1912            .iter()
1913            .find(|&&idx| idx > header_idx)
1914            .and_then(|&next_idx| {
1915                let bounds = self.list_state.bounds_for_item(next_idx)?;
1916                let viewport = self.list_state.viewport_bounds();
1917                let y_in_viewport = bounds.origin.y - viewport.origin.y;
1918                let header_height = bounds.size.height;
1919                (y_in_viewport < header_height).then_some(y_in_viewport - header_height)
1920            })
1921            .unwrap_or(px(0.));
1922
1923        let color = cx.theme().colors();
1924        let background = color
1925            .title_bar_background
1926            .blend(color.panel_background.opacity(0.2));
1927
1928        let element = v_flex()
1929            .absolute()
1930            .top(top_offset)
1931            .left_0()
1932            .w_full()
1933            .bg(background)
1934            .border_b_1()
1935            .border_color(color.border.opacity(0.5))
1936            .child(header_element)
1937            .shadow_xs()
1938            .into_any_element();
1939
1940        Some(element)
1941    }
1942
1943    fn toggle_collapse(
1944        &mut self,
1945        project_group_key: &ProjectGroupKey,
1946        _window: &mut Window,
1947        cx: &mut Context<Self>,
1948    ) {
1949        if self.collapsed_groups.contains(project_group_key) {
1950            self.collapsed_groups.remove(project_group_key);
1951        } else {
1952            self.collapsed_groups.insert(project_group_key.clone());
1953        }
1954        self.serialize(cx);
1955        self.update_entries(cx);
1956    }
1957
1958    fn dispatch_context(&self, window: &Window, cx: &Context<Self>) -> KeyContext {
1959        let mut dispatch_context = KeyContext::new_with_defaults();
1960        dispatch_context.add("ThreadsSidebar");
1961        dispatch_context.add("menu");
1962
1963        let is_archived_search_focused = matches!(&self.view, SidebarView::Archive(archive) if archive.read(cx).is_filter_editor_focused(window, cx));
1964
1965        let identifier = if self.filter_editor.focus_handle(cx).is_focused(window)
1966            || is_archived_search_focused
1967        {
1968            "searching"
1969        } else {
1970            "not_searching"
1971        };
1972
1973        dispatch_context.add(identifier);
1974        dispatch_context
1975    }
1976
1977    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1978        if !self.focus_handle.is_focused(window) {
1979            return;
1980        }
1981
1982        if let SidebarView::Archive(archive) = &self.view {
1983            let has_selection = archive.read(cx).has_selection();
1984            if !has_selection {
1985                archive.update(cx, |view, cx| view.focus_filter_editor(window, cx));
1986            }
1987        } else if self.selection.is_none() {
1988            self.filter_editor.focus_handle(cx).focus(window, cx);
1989        }
1990    }
1991
1992    fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
1993        if self.reset_filter_editor_text(window, cx) {
1994            self.update_entries(cx);
1995        } else {
1996            self.selection = None;
1997            self.filter_editor.focus_handle(cx).focus(window, cx);
1998            cx.notify();
1999        }
2000    }
2001
2002    fn focus_sidebar_filter(
2003        &mut self,
2004        _: &FocusSidebarFilter,
2005        window: &mut Window,
2006        cx: &mut Context<Self>,
2007    ) {
2008        self.selection = None;
2009        if let SidebarView::Archive(archive) = &self.view {
2010            archive.update(cx, |view, cx| {
2011                view.clear_selection();
2012                view.focus_filter_editor(window, cx);
2013            });
2014        } else {
2015            self.filter_editor.focus_handle(cx).focus(window, cx);
2016        }
2017
2018        // When vim mode is active, the editor defaults to normal mode which
2019        // blocks text input. Switch to insert mode so the user can type
2020        // immediately.
2021        if vim_mode_setting::VimModeSetting::get_global(cx).0 {
2022            if let Ok(action) = cx.build_action("vim::SwitchToInsertMode", None) {
2023                window.dispatch_action(action, cx);
2024            }
2025        }
2026
2027        cx.notify();
2028    }
2029
2030    fn reset_filter_editor_text(&mut self, window: &mut Window, cx: &mut Context<Self>) -> bool {
2031        self.filter_editor.update(cx, |editor, cx| {
2032            if editor.buffer().read(cx).len(cx).0 > 0 {
2033                editor.set_text("", window, cx);
2034                true
2035            } else {
2036                false
2037            }
2038        })
2039    }
2040
2041    fn has_filter_query(&self, cx: &App) -> bool {
2042        !self.filter_editor.read(cx).text(cx).is_empty()
2043    }
2044
2045    fn editor_move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
2046        self.select_next(&SelectNext, window, cx);
2047        if self.selection.is_some() {
2048            self.focus_handle.focus(window, cx);
2049        }
2050    }
2051
2052    fn editor_move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
2053        self.select_previous(&SelectPrevious, window, cx);
2054        if self.selection.is_some() {
2055            self.focus_handle.focus(window, cx);
2056        }
2057    }
2058
2059    fn editor_confirm(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2060        if self.selection.is_none() {
2061            self.select_next(&SelectNext, window, cx);
2062        }
2063        if self.selection.is_some() {
2064            self.focus_handle.focus(window, cx);
2065        }
2066    }
2067
2068    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
2069        let next = match self.selection {
2070            Some(ix) if ix + 1 < self.contents.entries.len() => ix + 1,
2071            Some(_) if !self.contents.entries.is_empty() => 0,
2072            None if !self.contents.entries.is_empty() => 0,
2073            _ => return,
2074        };
2075        self.selection = Some(next);
2076        self.list_state.scroll_to_reveal_item(next);
2077        cx.notify();
2078    }
2079
2080    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
2081        match self.selection {
2082            Some(0) => {
2083                self.selection = None;
2084                self.filter_editor.focus_handle(cx).focus(window, cx);
2085                cx.notify();
2086            }
2087            Some(ix) => {
2088                self.selection = Some(ix - 1);
2089                self.list_state.scroll_to_reveal_item(ix - 1);
2090                cx.notify();
2091            }
2092            None if !self.contents.entries.is_empty() => {
2093                let last = self.contents.entries.len() - 1;
2094                self.selection = Some(last);
2095                self.list_state.scroll_to_reveal_item(last);
2096                cx.notify();
2097            }
2098            None => {}
2099        }
2100    }
2101
2102    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
2103        if !self.contents.entries.is_empty() {
2104            self.selection = Some(0);
2105            self.list_state.scroll_to_reveal_item(0);
2106            cx.notify();
2107        }
2108    }
2109
2110    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
2111        if let Some(last) = self.contents.entries.len().checked_sub(1) {
2112            self.selection = Some(last);
2113            self.list_state.scroll_to_reveal_item(last);
2114            cx.notify();
2115        }
2116    }
2117
2118    fn confirm(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
2119        let Some(ix) = self.selection else { return };
2120        let Some(entry) = self.contents.entries.get(ix) else {
2121            return;
2122        };
2123
2124        match entry {
2125            ListEntry::ProjectHeader { key, .. } => {
2126                let key = key.clone();
2127                self.toggle_collapse(&key, window, cx);
2128            }
2129            ListEntry::Thread(thread) => {
2130                let metadata = thread.metadata.clone();
2131                match &thread.workspace {
2132                    ThreadEntryWorkspace::Open(workspace) => {
2133                        let workspace = workspace.clone();
2134                        self.activate_thread(metadata, &workspace, false, window, cx);
2135                    }
2136                    ThreadEntryWorkspace::Closed {
2137                        folder_paths,
2138                        project_group_key,
2139                    } => {
2140                        let folder_paths = folder_paths.clone();
2141                        let project_group_key = project_group_key.clone();
2142                        self.open_workspace_and_activate_thread(
2143                            metadata,
2144                            folder_paths,
2145                            &project_group_key,
2146                            window,
2147                            cx,
2148                        );
2149                    }
2150                }
2151            }
2152            ListEntry::ViewMore {
2153                key,
2154                is_fully_expanded,
2155                ..
2156            } => {
2157                let key = key.clone();
2158                if *is_fully_expanded {
2159                    self.reset_thread_group_expansion(&key, cx);
2160                } else {
2161                    self.expand_thread_group(&key, cx);
2162                }
2163            }
2164            ListEntry::DraftThread { key, workspace, .. } => {
2165                let key = key.clone();
2166                let workspace = workspace.clone();
2167                if let Some(workspace) = workspace.or_else(|| {
2168                    self.multi_workspace.upgrade().and_then(|mw| {
2169                        mw.read(cx)
2170                            .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
2171                    })
2172                }) {
2173                    self.create_new_thread(&workspace, window, cx);
2174                } else {
2175                    self.open_workspace_for_group(&key, window, cx);
2176                }
2177            }
2178        }
2179    }
2180
2181    fn find_workspace_across_windows(
2182        &self,
2183        cx: &App,
2184        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2185    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2186        cx.windows()
2187            .into_iter()
2188            .filter_map(|window| window.downcast::<MultiWorkspace>())
2189            .find_map(|window| {
2190                let workspace = window.read(cx).ok().and_then(|multi_workspace| {
2191                    multi_workspace
2192                        .workspaces()
2193                        .find(|workspace| predicate(workspace, cx))
2194                        .cloned()
2195                })?;
2196                Some((window, workspace))
2197            })
2198    }
2199
2200    fn find_workspace_in_current_window(
2201        &self,
2202        cx: &App,
2203        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2204    ) -> Option<Entity<Workspace>> {
2205        self.multi_workspace.upgrade().and_then(|multi_workspace| {
2206            multi_workspace
2207                .read(cx)
2208                .workspaces()
2209                .find(|workspace| predicate(workspace, cx))
2210                .cloned()
2211        })
2212    }
2213
2214    fn load_agent_thread_in_workspace(
2215        workspace: &Entity<Workspace>,
2216        metadata: &ThreadMetadata,
2217        focus: bool,
2218        window: &mut Window,
2219        cx: &mut App,
2220    ) {
2221        workspace.update(cx, |workspace, cx| {
2222            workspace.reveal_panel::<AgentPanel>(window, cx);
2223        });
2224
2225        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2226            agent_panel.update(cx, |panel, cx| {
2227                panel.load_agent_thread(
2228                    Agent::from(metadata.agent_id.clone()),
2229                    metadata.session_id.clone(),
2230                    Some(metadata.folder_paths().clone()),
2231                    Some(metadata.title.clone()),
2232                    focus,
2233                    window,
2234                    cx,
2235                );
2236            });
2237        }
2238    }
2239
2240    fn activate_thread_locally(
2241        &mut self,
2242        metadata: &ThreadMetadata,
2243        workspace: &Entity<Workspace>,
2244        retain: bool,
2245        window: &mut Window,
2246        cx: &mut Context<Self>,
2247    ) {
2248        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2249            return;
2250        };
2251
2252        // Set active_entry eagerly so the sidebar highlight updates
2253        // immediately, rather than waiting for a deferred AgentPanel
2254        // event which can race with ActiveWorkspaceChanged clearing it.
2255        self.active_entry = Some(ActiveEntry::Thread {
2256            session_id: metadata.session_id.clone(),
2257            workspace: workspace.clone(),
2258        });
2259        self.record_thread_access(&metadata.session_id);
2260
2261        multi_workspace.update(cx, |multi_workspace, cx| {
2262            multi_workspace.activate(workspace.clone(), window, cx);
2263            if retain {
2264                multi_workspace.retain_active_workspace(cx);
2265            }
2266        });
2267
2268        Self::load_agent_thread_in_workspace(workspace, metadata, true, window, cx);
2269
2270        self.update_entries(cx);
2271    }
2272
2273    fn activate_thread_in_other_window(
2274        &self,
2275        metadata: ThreadMetadata,
2276        workspace: Entity<Workspace>,
2277        target_window: WindowHandle<MultiWorkspace>,
2278        cx: &mut Context<Self>,
2279    ) {
2280        let target_session_id = metadata.session_id.clone();
2281        let workspace_for_entry = workspace.clone();
2282
2283        let activated = target_window
2284            .update(cx, |multi_workspace, window, cx| {
2285                window.activate_window();
2286                multi_workspace.activate(workspace.clone(), window, cx);
2287                Self::load_agent_thread_in_workspace(&workspace, &metadata, true, window, cx);
2288            })
2289            .log_err()
2290            .is_some();
2291
2292        if activated {
2293            if let Some(target_sidebar) = target_window
2294                .read(cx)
2295                .ok()
2296                .and_then(|multi_workspace| {
2297                    multi_workspace.sidebar().map(|sidebar| sidebar.to_any())
2298                })
2299                .and_then(|sidebar| sidebar.downcast::<Self>().ok())
2300            {
2301                target_sidebar.update(cx, |sidebar, cx| {
2302                    sidebar.active_entry = Some(ActiveEntry::Thread {
2303                        session_id: target_session_id.clone(),
2304                        workspace: workspace_for_entry.clone(),
2305                    });
2306                    sidebar.record_thread_access(&target_session_id);
2307                    sidebar.update_entries(cx);
2308                });
2309            }
2310        }
2311    }
2312
2313    fn activate_thread(
2314        &mut self,
2315        metadata: ThreadMetadata,
2316        workspace: &Entity<Workspace>,
2317        retain: bool,
2318        window: &mut Window,
2319        cx: &mut Context<Self>,
2320    ) {
2321        if self
2322            .find_workspace_in_current_window(cx, |candidate, _| candidate == workspace)
2323            .is_some()
2324        {
2325            self.activate_thread_locally(&metadata, &workspace, retain, window, cx);
2326            return;
2327        }
2328
2329        let Some((target_window, workspace)) =
2330            self.find_workspace_across_windows(cx, |candidate, _| candidate == workspace)
2331        else {
2332            return;
2333        };
2334
2335        self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2336    }
2337
2338    fn open_workspace_and_activate_thread(
2339        &mut self,
2340        metadata: ThreadMetadata,
2341        folder_paths: PathList,
2342        project_group_key: &ProjectGroupKey,
2343        window: &mut Window,
2344        cx: &mut Context<Self>,
2345    ) {
2346        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2347            return;
2348        };
2349
2350        let pending_session_id = metadata.session_id.clone();
2351        let is_remote = project_group_key.host().is_some();
2352        if is_remote {
2353            self.pending_remote_thread_activation = Some(pending_session_id.clone());
2354        }
2355
2356        let host = project_group_key.host();
2357        let provisional_key = Some(project_group_key.clone());
2358        let active_workspace = multi_workspace.read(cx).workspace().clone();
2359        let modal_workspace = active_workspace.clone();
2360
2361        let open_task = multi_workspace.update(cx, |this, cx| {
2362            this.find_or_create_workspace(
2363                folder_paths,
2364                host,
2365                provisional_key,
2366                |options, window, cx| connect_remote(active_workspace, options, window, cx),
2367                window,
2368                cx,
2369            )
2370        });
2371
2372        cx.spawn_in(window, async move |this, cx| {
2373            let result = open_task.await;
2374            // Dismiss the modal as soon as the open attempt completes so
2375            // failures or cancellations do not leave a stale connection modal behind.
2376            remote_connection::dismiss_connection_modal(&modal_workspace, cx);
2377
2378            if result.is_err() || is_remote {
2379                this.update(cx, |this, _cx| {
2380                    if this.pending_remote_thread_activation.as_ref() == Some(&pending_session_id) {
2381                        this.pending_remote_thread_activation = None;
2382                    }
2383                })
2384                .ok();
2385            }
2386
2387            let workspace = result?;
2388            this.update_in(cx, |this, window, cx| {
2389                this.activate_thread(metadata, &workspace, false, window, cx);
2390            })?;
2391            anyhow::Ok(())
2392        })
2393        .detach_and_log_err(cx);
2394    }
2395
2396    fn find_current_workspace_for_path_list(
2397        &self,
2398        path_list: &PathList,
2399        cx: &App,
2400    ) -> Option<Entity<Workspace>> {
2401        self.find_workspace_in_current_window(cx, |workspace, cx| {
2402            workspace_path_list(workspace, cx).paths() == path_list.paths()
2403        })
2404    }
2405
2406    fn find_open_workspace_for_path_list(
2407        &self,
2408        path_list: &PathList,
2409        cx: &App,
2410    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2411        self.find_workspace_across_windows(cx, |workspace, cx| {
2412            workspace_path_list(workspace, cx).paths() == path_list.paths()
2413        })
2414    }
2415
2416    fn activate_archived_thread(
2417        &mut self,
2418        metadata: ThreadMetadata,
2419        window: &mut Window,
2420        cx: &mut Context<Self>,
2421    ) {
2422        let session_id = metadata.session_id.clone();
2423        let weak_archive_view = match &self.view {
2424            SidebarView::Archive(view) => Some(view.downgrade()),
2425            _ => None,
2426        };
2427
2428        if metadata.folder_paths().paths().is_empty() {
2429            ThreadMetadataStore::global(cx)
2430                .update(cx, |store, cx| store.unarchive(&session_id, cx));
2431
2432            let active_workspace = self
2433                .multi_workspace
2434                .upgrade()
2435                .map(|w| w.read(cx).workspace().clone());
2436
2437            if let Some(workspace) = active_workspace {
2438                self.activate_thread_locally(&metadata, &workspace, false, window, cx);
2439            } else {
2440                let path_list = metadata.folder_paths().clone();
2441                if let Some((target_window, workspace)) =
2442                    self.find_open_workspace_for_path_list(&path_list, cx)
2443                {
2444                    self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2445                } else {
2446                    let key = ProjectGroupKey::new(None, path_list.clone());
2447                    self.open_workspace_and_activate_thread(metadata, path_list, &key, window, cx);
2448                }
2449            }
2450            self.show_thread_list(window, cx);
2451            return;
2452        }
2453
2454        let store = ThreadMetadataStore::global(cx);
2455        let task = store
2456            .read(cx)
2457            .get_archived_worktrees_for_thread(session_id.0.to_string(), cx);
2458        let path_list = metadata.folder_paths().clone();
2459
2460        let task_session_id = session_id.clone();
2461        let restore_task = cx.spawn_in(window, async move |this, cx| {
2462            let result: anyhow::Result<()> = async {
2463                let archived_worktrees = task.await?;
2464
2465                if archived_worktrees.is_empty() {
2466                    this.update_in(cx, |this, window, cx| {
2467                        this.restoring_tasks.remove(&session_id);
2468                        ThreadMetadataStore::global(cx)
2469                            .update(cx, |store, cx| store.unarchive(&session_id, cx));
2470
2471                        if let Some(workspace) =
2472                            this.find_current_workspace_for_path_list(&path_list, cx)
2473                        {
2474                            this.activate_thread_locally(&metadata, &workspace, false, window, cx);
2475                        } else if let Some((target_window, workspace)) =
2476                            this.find_open_workspace_for_path_list(&path_list, cx)
2477                        {
2478                            this.activate_thread_in_other_window(
2479                                metadata,
2480                                workspace,
2481                                target_window,
2482                                cx,
2483                            );
2484                        } else {
2485                            let key = ProjectGroupKey::new(None, path_list.clone());
2486                            this.open_workspace_and_activate_thread(
2487                                metadata, path_list, &key, window, cx,
2488                            );
2489                        }
2490                        this.show_thread_list(window, cx);
2491                    })?;
2492                    return anyhow::Ok(());
2493                }
2494
2495                let mut path_replacements: Vec<(PathBuf, PathBuf)> = Vec::new();
2496                for row in &archived_worktrees {
2497                    match thread_worktree_archive::restore_worktree_via_git(row, &mut *cx).await {
2498                        Ok(restored_path) => {
2499                            thread_worktree_archive::cleanup_archived_worktree_record(
2500                                row, &mut *cx,
2501                            )
2502                            .await;
2503                            path_replacements.push((row.worktree_path.clone(), restored_path));
2504                        }
2505                        Err(error) => {
2506                            log::error!("Failed to restore worktree: {error:#}");
2507                            this.update_in(cx, |this, _window, cx| {
2508                                this.restoring_tasks.remove(&session_id);
2509                                if let Some(weak_archive_view) = &weak_archive_view {
2510                                    weak_archive_view
2511                                        .update(cx, |view, cx| {
2512                                            view.clear_restoring(&session_id, cx);
2513                                        })
2514                                        .ok();
2515                                }
2516
2517                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
2518                                    let workspace = multi_workspace.read(cx).workspace().clone();
2519                                    workspace.update(cx, |workspace, cx| {
2520                                        struct RestoreWorktreeErrorToast;
2521                                        workspace.show_toast(
2522                                            Toast::new(
2523                                                NotificationId::unique::<RestoreWorktreeErrorToast>(
2524                                                ),
2525                                                format!("Failed to restore worktree: {error:#}"),
2526                                            )
2527                                            .autohide(),
2528                                            cx,
2529                                        );
2530                                    });
2531                                }
2532                            })
2533                            .ok();
2534                            return anyhow::Ok(());
2535                        }
2536                    }
2537                }
2538
2539                if !path_replacements.is_empty() {
2540                    cx.update(|_window, cx| {
2541                        store.update(cx, |store, cx| {
2542                            store.update_restored_worktree_paths(
2543                                &session_id,
2544                                &path_replacements,
2545                                cx,
2546                            );
2547                        });
2548                    })?;
2549
2550                    let updated_metadata =
2551                        cx.update(|_window, cx| store.read(cx).entry(&session_id).cloned())?;
2552
2553                    if let Some(updated_metadata) = updated_metadata {
2554                        let new_paths = updated_metadata.folder_paths().clone();
2555
2556                        cx.update(|_window, cx| {
2557                            store.update(cx, |store, cx| {
2558                                store.unarchive(&updated_metadata.session_id, cx);
2559                            });
2560                        })?;
2561
2562                        this.update_in(cx, |this, window, cx| {
2563                            this.restoring_tasks.remove(&session_id);
2564                            let key = ProjectGroupKey::new(None, new_paths.clone());
2565                            this.open_workspace_and_activate_thread(
2566                                updated_metadata,
2567                                new_paths,
2568                                &key,
2569                                window,
2570                                cx,
2571                            );
2572                            this.show_thread_list(window, cx);
2573                        })?;
2574                    }
2575                }
2576
2577                anyhow::Ok(())
2578            }
2579            .await;
2580            if let Err(error) = result {
2581                log::error!("{error:#}");
2582            }
2583        });
2584        self.restoring_tasks.insert(task_session_id, restore_task);
2585    }
2586
2587    fn expand_selected_entry(
2588        &mut self,
2589        _: &SelectChild,
2590        _window: &mut Window,
2591        cx: &mut Context<Self>,
2592    ) {
2593        let Some(ix) = self.selection else { return };
2594
2595        match self.contents.entries.get(ix) {
2596            Some(ListEntry::ProjectHeader { key, .. }) => {
2597                if self.collapsed_groups.contains(key) {
2598                    self.collapsed_groups.remove(key);
2599                    self.update_entries(cx);
2600                } else if ix + 1 < self.contents.entries.len() {
2601                    self.selection = Some(ix + 1);
2602                    self.list_state.scroll_to_reveal_item(ix + 1);
2603                    cx.notify();
2604                }
2605            }
2606            _ => {}
2607        }
2608    }
2609
2610    fn collapse_selected_entry(
2611        &mut self,
2612        _: &SelectParent,
2613        _window: &mut Window,
2614        cx: &mut Context<Self>,
2615    ) {
2616        let Some(ix) = self.selection else { return };
2617
2618        match self.contents.entries.get(ix) {
2619            Some(ListEntry::ProjectHeader { key, .. }) => {
2620                if !self.collapsed_groups.contains(key) {
2621                    self.collapsed_groups.insert(key.clone());
2622                    self.update_entries(cx);
2623                }
2624            }
2625            Some(
2626                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2627            ) => {
2628                for i in (0..ix).rev() {
2629                    if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(i)
2630                    {
2631                        self.selection = Some(i);
2632                        self.collapsed_groups.insert(key.clone());
2633                        self.update_entries(cx);
2634                        break;
2635                    }
2636                }
2637            }
2638            None => {}
2639        }
2640    }
2641
2642    fn toggle_selected_fold(
2643        &mut self,
2644        _: &editor::actions::ToggleFold,
2645        _window: &mut Window,
2646        cx: &mut Context<Self>,
2647    ) {
2648        let Some(ix) = self.selection else { return };
2649
2650        // Find the group header for the current selection.
2651        let header_ix = match self.contents.entries.get(ix) {
2652            Some(ListEntry::ProjectHeader { .. }) => Some(ix),
2653            Some(
2654                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2655            ) => (0..ix).rev().find(|&i| {
2656                matches!(
2657                    self.contents.entries.get(i),
2658                    Some(ListEntry::ProjectHeader { .. })
2659                )
2660            }),
2661            None => None,
2662        };
2663
2664        if let Some(header_ix) = header_ix {
2665            if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_ix)
2666            {
2667                if self.collapsed_groups.contains(key) {
2668                    self.collapsed_groups.remove(key);
2669                } else {
2670                    self.selection = Some(header_ix);
2671                    self.collapsed_groups.insert(key.clone());
2672                }
2673                self.update_entries(cx);
2674            }
2675        }
2676    }
2677
2678    fn fold_all(
2679        &mut self,
2680        _: &editor::actions::FoldAll,
2681        _window: &mut Window,
2682        cx: &mut Context<Self>,
2683    ) {
2684        for entry in &self.contents.entries {
2685            if let ListEntry::ProjectHeader { key, .. } = entry {
2686                self.collapsed_groups.insert(key.clone());
2687            }
2688        }
2689        self.update_entries(cx);
2690    }
2691
2692    fn unfold_all(
2693        &mut self,
2694        _: &editor::actions::UnfoldAll,
2695        _window: &mut Window,
2696        cx: &mut Context<Self>,
2697    ) {
2698        self.collapsed_groups.clear();
2699        self.update_entries(cx);
2700    }
2701
2702    fn stop_thread(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2703        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2704            return;
2705        };
2706
2707        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
2708        for workspace in workspaces {
2709            if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2710                let cancelled =
2711                    agent_panel.update(cx, |panel, cx| panel.cancel_thread(session_id, cx));
2712                if cancelled {
2713                    return;
2714                }
2715            }
2716        }
2717    }
2718
2719    fn archive_thread(
2720        &mut self,
2721        session_id: &acp::SessionId,
2722        window: &mut Window,
2723        cx: &mut Context<Self>,
2724    ) {
2725        let metadata = ThreadMetadataStore::global(cx)
2726            .read(cx)
2727            .entry(session_id)
2728            .cloned();
2729        let thread_folder_paths = metadata.as_ref().map(|m| m.folder_paths().clone());
2730
2731        // Compute which linked worktree roots should be archived from disk if
2732        // this thread is archived. This must happen before we remove any
2733        // workspace from the MultiWorkspace, because `build_root_plan` needs
2734        // the currently open workspaces in order to find the affected projects
2735        // and repository handles for each linked worktree.
2736        let roots_to_archive = metadata
2737            .as_ref()
2738            .map(|metadata| {
2739                let mut workspaces = self
2740                    .multi_workspace
2741                    .upgrade()
2742                    .map(|multi_workspace| {
2743                        multi_workspace
2744                            .read(cx)
2745                            .workspaces()
2746                            .cloned()
2747                            .collect::<Vec<_>>()
2748                    })
2749                    .unwrap_or_default();
2750                for workspace in thread_worktree_archive::all_open_workspaces(cx) {
2751                    if !workspaces.contains(&workspace) {
2752                        workspaces.push(workspace);
2753                    }
2754                }
2755                metadata
2756                    .folder_paths()
2757                    .ordered_paths()
2758                    .filter_map(|path| {
2759                        thread_worktree_archive::build_root_plan(path, &workspaces, cx)
2760                    })
2761                    .filter(|plan| {
2762                        !thread_worktree_archive::path_is_referenced_by_other_unarchived_threads(
2763                            session_id,
2764                            &plan.root_path,
2765                            cx,
2766                        )
2767                    })
2768                    .collect::<Vec<_>>()
2769            })
2770            .unwrap_or_default();
2771
2772        // Find the neighbor thread in the sidebar (by display position).
2773        // Look below first, then above, for the nearest thread that isn't
2774        // the one being archived. We capture both the neighbor's metadata
2775        // (for activation) and its workspace paths (for the workspace
2776        // removal fallback).
2777        let current_pos = self.contents.entries.iter().position(
2778            |entry| matches!(entry, ListEntry::Thread(t) if &t.metadata.session_id == session_id),
2779        );
2780        let neighbor = current_pos.and_then(|pos| {
2781            self.contents.entries[pos + 1..]
2782                .iter()
2783                .chain(self.contents.entries[..pos].iter().rev())
2784                .find_map(|entry| match entry {
2785                    ListEntry::Thread(t) if t.metadata.session_id != *session_id => {
2786                        let workspace_paths = match &t.workspace {
2787                            ThreadEntryWorkspace::Open(ws) => {
2788                                PathList::new(&ws.read(cx).root_paths(cx))
2789                            }
2790                            ThreadEntryWorkspace::Closed { folder_paths, .. } => {
2791                                folder_paths.clone()
2792                            }
2793                        };
2794                        Some((t.metadata.clone(), workspace_paths))
2795                    }
2796                    _ => None,
2797                })
2798        });
2799
2800        // Check if archiving this thread would leave its worktree workspace
2801        // with no threads, requiring workspace removal.
2802        let workspace_to_remove = thread_folder_paths.as_ref().and_then(|folder_paths| {
2803            if folder_paths.is_empty() {
2804                return None;
2805            }
2806
2807            let remaining = ThreadMetadataStore::global(cx)
2808                .read(cx)
2809                .entries_for_path(folder_paths)
2810                .filter(|t| t.session_id != *session_id)
2811                .count();
2812            if remaining > 0 {
2813                return None;
2814            }
2815
2816            let multi_workspace = self.multi_workspace.upgrade()?;
2817            // Thread metadata doesn't carry host info yet, so we pass
2818            // `None` here. This may match a local workspace with the same
2819            // paths instead of the intended remote one.
2820            let workspace = multi_workspace
2821                .read(cx)
2822                .workspace_for_paths(folder_paths, None, cx)?;
2823
2824            // Don't remove the main worktree workspace — the project
2825            // header always provides access to it.
2826            let group_key = workspace.read(cx).project_group_key(cx);
2827            (group_key.path_list() != folder_paths).then_some(workspace)
2828        });
2829
2830        if let Some(workspace_to_remove) = workspace_to_remove {
2831            let multi_workspace = self.multi_workspace.upgrade().unwrap();
2832            let session_id = session_id.clone();
2833
2834            // For the workspace-removal fallback, use the neighbor's workspace
2835            // paths if available, otherwise fall back to the project group key.
2836            let fallback_paths = neighbor
2837                .as_ref()
2838                .map(|(_, paths)| paths.clone())
2839                .unwrap_or_else(|| {
2840                    workspace_to_remove
2841                        .read(cx)
2842                        .project_group_key(cx)
2843                        .path_list()
2844                        .clone()
2845                });
2846
2847            let remove_task = multi_workspace.update(cx, |mw, cx| {
2848                mw.remove(
2849                    [workspace_to_remove],
2850                    move |this, window, cx| {
2851                        this.find_or_create_local_workspace(fallback_paths, window, cx)
2852                    },
2853                    window,
2854                    cx,
2855                )
2856            });
2857
2858            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2859            let thread_folder_paths = thread_folder_paths.clone();
2860            cx.spawn_in(window, async move |this, cx| {
2861                let removed = remove_task.await?;
2862                if removed {
2863                    this.update_in(cx, |this, window, cx| {
2864                        let in_flight =
2865                            this.start_archive_worktree_task(&session_id, roots_to_archive, cx);
2866                        this.archive_and_activate(
2867                            &session_id,
2868                            neighbor_metadata.as_ref(),
2869                            thread_folder_paths.as_ref(),
2870                            in_flight,
2871                            window,
2872                            cx,
2873                        );
2874                    })?;
2875                }
2876                anyhow::Ok(())
2877            })
2878            .detach_and_log_err(cx);
2879        } else {
2880            // Simple case: no workspace removal needed.
2881            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2882            let in_flight = self.start_archive_worktree_task(session_id, roots_to_archive, cx);
2883            self.archive_and_activate(
2884                session_id,
2885                neighbor_metadata.as_ref(),
2886                thread_folder_paths.as_ref(),
2887                in_flight,
2888                window,
2889                cx,
2890            );
2891        }
2892    }
2893
2894    /// Archive a thread and activate the nearest neighbor or a draft.
2895    ///
2896    /// IMPORTANT: when activating a neighbor or creating a fallback draft,
2897    /// this method also activates the target workspace in the MultiWorkspace.
2898    /// This is critical because `rebuild_contents` derives the active
2899    /// workspace from `mw.workspace()`. If the linked worktree workspace is
2900    /// still active after archiving its last thread, `rebuild_contents` sees
2901    /// the threadless linked worktree as active and emits a spurious
2902    /// "+ New Thread" entry with the worktree chip — keeping the worktree
2903    /// alive and preventing disk cleanup.
2904    ///
2905    /// When `in_flight_archive` is present, it is the background task that
2906    /// persists the linked worktree's git state and deletes it from disk.
2907    /// We attach it to the metadata store at the same time we mark the thread
2908    /// archived so failures can automatically unarchive the thread and user-
2909    /// initiated unarchive can cancel the task.
2910    fn archive_and_activate(
2911        &mut self,
2912        session_id: &acp::SessionId,
2913        neighbor: Option<&ThreadMetadata>,
2914        thread_folder_paths: Option<&PathList>,
2915        in_flight_archive: Option<(Task<()>, smol::channel::Sender<()>)>,
2916        window: &mut Window,
2917        cx: &mut Context<Self>,
2918    ) {
2919        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2920            store.archive(session_id, in_flight_archive, cx);
2921        });
2922
2923        let is_active = self
2924            .active_entry
2925            .as_ref()
2926            .is_some_and(|e| e.is_active_thread(session_id));
2927
2928        if !is_active {
2929            // The user is looking at a different thread/draft. Clear the
2930            // archived thread from its workspace's panel so that switching
2931            // to that workspace later doesn't show a stale thread.
2932            if let Some(folder_paths) = thread_folder_paths {
2933                if let Some(workspace) = self
2934                    .multi_workspace
2935                    .upgrade()
2936                    .and_then(|mw| mw.read(cx).workspace_for_paths(folder_paths, None, cx))
2937                {
2938                    if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2939                        let panel_shows_archived = panel
2940                            .read(cx)
2941                            .active_conversation_view()
2942                            .and_then(|cv| cv.read(cx).parent_id(cx))
2943                            .is_some_and(|id| id == *session_id);
2944                        if panel_shows_archived {
2945                            panel.update(cx, |panel, cx| {
2946                                panel.clear_active_thread(window, cx);
2947                            });
2948                        }
2949                    }
2950                }
2951            }
2952            return;
2953        }
2954
2955        // Try to activate the neighbor thread. If its workspace is open,
2956        // tell the panel to load it and activate that workspace.
2957        // `rebuild_contents` will reconcile `active_entry` once the thread
2958        // finishes loading.
2959        if let Some(metadata) = neighbor {
2960            if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
2961                mw.read(cx)
2962                    .workspace_for_paths(metadata.folder_paths(), None, cx)
2963            }) {
2964                self.activate_workspace(&workspace, window, cx);
2965                Self::load_agent_thread_in_workspace(&workspace, metadata, true, window, cx);
2966                return;
2967            }
2968        }
2969
2970        // No neighbor or its workspace isn't open — fall back to a new
2971        // draft. Use the group workspace (main project) rather than the
2972        // active entry workspace, which may be a linked worktree that is
2973        // about to be cleaned up.
2974        let fallback_workspace = thread_folder_paths
2975            .and_then(|folder_paths| {
2976                let mw = self.multi_workspace.upgrade()?;
2977                let mw = mw.read(cx);
2978                // Find the group's main workspace (whose root paths match
2979                // the project group key, not the thread's folder paths).
2980                let thread_workspace = mw.workspace_for_paths(folder_paths, None, cx)?;
2981                let group_key = thread_workspace.read(cx).project_group_key(cx);
2982                mw.workspace_for_paths(group_key.path_list(), None, cx)
2983            })
2984            .or_else(|| self.active_entry_workspace().cloned());
2985
2986        if let Some(workspace) = fallback_workspace {
2987            self.activate_workspace(&workspace, window, cx);
2988            if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2989                panel.update(cx, |panel, cx| {
2990                    panel.new_thread(&NewThread, window, cx);
2991                });
2992            }
2993        }
2994    }
2995
2996    fn start_archive_worktree_task(
2997        &self,
2998        session_id: &acp::SessionId,
2999        roots: Vec<thread_worktree_archive::RootPlan>,
3000        cx: &mut Context<Self>,
3001    ) -> Option<(Task<()>, smol::channel::Sender<()>)> {
3002        if roots.is_empty() {
3003            return None;
3004        }
3005
3006        let (cancel_tx, cancel_rx) = smol::channel::bounded::<()>(1);
3007        let session_id = session_id.clone();
3008        let task = cx.spawn(async move |_this, cx| {
3009            match Self::archive_worktree_roots(roots, cancel_rx, cx).await {
3010                Ok(ArchiveWorktreeOutcome::Success) => {
3011                    cx.update(|cx| {
3012                        ThreadMetadataStore::global(cx).update(cx, |store, _cx| {
3013                            store.cleanup_completed_archive(&session_id);
3014                        });
3015                    });
3016                }
3017                Ok(ArchiveWorktreeOutcome::Cancelled) => {}
3018                Err(error) => {
3019                    log::error!("Failed to archive worktree: {error:#}");
3020                    cx.update(|cx| {
3021                        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
3022                            store.unarchive(&session_id, cx);
3023                        });
3024                    });
3025                }
3026            }
3027        });
3028
3029        Some((task, cancel_tx))
3030    }
3031
3032    async fn archive_worktree_roots(
3033        roots: Vec<thread_worktree_archive::RootPlan>,
3034        cancel_rx: smol::channel::Receiver<()>,
3035        cx: &mut gpui::AsyncApp,
3036    ) -> anyhow::Result<ArchiveWorktreeOutcome> {
3037        let mut completed_persists: Vec<(i64, thread_worktree_archive::RootPlan)> = Vec::new();
3038
3039        for root in &roots {
3040            if cancel_rx.is_closed() {
3041                for &(id, ref completed_root) in completed_persists.iter().rev() {
3042                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3043                }
3044                return Ok(ArchiveWorktreeOutcome::Cancelled);
3045            }
3046
3047            if root.worktree_repo.is_some() {
3048                match thread_worktree_archive::persist_worktree_state(root, cx).await {
3049                    Ok(id) => {
3050                        completed_persists.push((id, root.clone()));
3051                    }
3052                    Err(error) => {
3053                        for &(id, ref completed_root) in completed_persists.iter().rev() {
3054                            thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3055                        }
3056                        return Err(error);
3057                    }
3058                }
3059            }
3060
3061            if cancel_rx.is_closed() {
3062                for &(id, ref completed_root) in completed_persists.iter().rev() {
3063                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3064                }
3065                return Ok(ArchiveWorktreeOutcome::Cancelled);
3066            }
3067
3068            if let Err(error) = thread_worktree_archive::remove_root(root.clone(), cx).await {
3069                if let Some(&(id, ref completed_root)) = completed_persists.last() {
3070                    if completed_root.root_path == root.root_path {
3071                        thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3072                        completed_persists.pop();
3073                    }
3074                }
3075                for &(id, ref completed_root) in completed_persists.iter().rev() {
3076                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3077                }
3078                return Err(error);
3079            }
3080        }
3081
3082        Ok(ArchiveWorktreeOutcome::Success)
3083    }
3084
3085    fn activate_workspace(
3086        &self,
3087        workspace: &Entity<Workspace>,
3088        window: &mut Window,
3089        cx: &mut Context<Self>,
3090    ) {
3091        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3092            multi_workspace.update(cx, |mw, cx| {
3093                mw.activate(workspace.clone(), window, cx);
3094            });
3095        }
3096    }
3097
3098    fn remove_selected_thread(
3099        &mut self,
3100        _: &RemoveSelectedThread,
3101        window: &mut Window,
3102        cx: &mut Context<Self>,
3103    ) {
3104        let Some(ix) = self.selection else {
3105            return;
3106        };
3107        match self.contents.entries.get(ix) {
3108            Some(ListEntry::Thread(thread)) => {
3109                match thread.status {
3110                    AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation => {
3111                        return;
3112                    }
3113                    AgentThreadStatus::Completed | AgentThreadStatus::Error => {}
3114                }
3115                let session_id = thread.metadata.session_id.clone();
3116                self.archive_thread(&session_id, window, cx);
3117            }
3118            Some(ListEntry::DraftThread {
3119                workspace: Some(workspace),
3120                ..
3121            }) => {
3122                self.remove_worktree_workspace(workspace.clone(), window, cx);
3123            }
3124            _ => {}
3125        }
3126    }
3127
3128    fn remove_worktree_workspace(
3129        &mut self,
3130        workspace: Entity<Workspace>,
3131        window: &mut Window,
3132        cx: &mut Context<Self>,
3133    ) {
3134        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3135            multi_workspace
3136                .update(cx, |mw, cx| {
3137                    mw.remove(
3138                        [workspace],
3139                        |this, _window, _cx| gpui::Task::ready(Ok(this.workspace().clone())),
3140                        window,
3141                        cx,
3142                    )
3143                })
3144                .detach_and_log_err(cx);
3145        }
3146    }
3147
3148    fn record_thread_access(&mut self, session_id: &acp::SessionId) {
3149        self.thread_last_accessed
3150            .insert(session_id.clone(), Utc::now());
3151    }
3152
3153    fn record_thread_message_sent(&mut self, session_id: &acp::SessionId) {
3154        self.thread_last_message_sent_or_queued
3155            .insert(session_id.clone(), Utc::now());
3156    }
3157
3158    fn mru_threads_for_switcher(&self, cx: &App) -> Vec<ThreadSwitcherEntry> {
3159        let mut current_header_label: Option<SharedString> = None;
3160        let mut current_header_key: Option<ProjectGroupKey> = None;
3161        let mut entries: Vec<ThreadSwitcherEntry> = self
3162            .contents
3163            .entries
3164            .iter()
3165            .filter_map(|entry| match entry {
3166                ListEntry::ProjectHeader { label, key, .. } => {
3167                    current_header_label = Some(label.clone());
3168                    current_header_key = Some(key.clone());
3169                    None
3170                }
3171                ListEntry::Thread(thread) => {
3172                    let workspace = match &thread.workspace {
3173                        ThreadEntryWorkspace::Open(workspace) => Some(workspace.clone()),
3174                        ThreadEntryWorkspace::Closed { .. } => {
3175                            current_header_key.as_ref().and_then(|key| {
3176                                self.multi_workspace.upgrade().and_then(|mw| {
3177                                    mw.read(cx).workspace_for_paths(
3178                                        key.path_list(),
3179                                        key.host().as_ref(),
3180                                        cx,
3181                                    )
3182                                })
3183                            })
3184                        }
3185                    }?;
3186                    let notified = self
3187                        .contents
3188                        .is_thread_notified(&thread.metadata.session_id);
3189                    let timestamp: SharedString = format_history_entry_timestamp(
3190                        self.thread_last_message_sent_or_queued
3191                            .get(&thread.metadata.session_id)
3192                            .copied()
3193                            .or(thread.metadata.created_at)
3194                            .unwrap_or(thread.metadata.updated_at),
3195                    )
3196                    .into();
3197                    Some(ThreadSwitcherEntry {
3198                        session_id: thread.metadata.session_id.clone(),
3199                        title: thread.metadata.title.clone(),
3200                        icon: thread.icon,
3201                        icon_from_external_svg: thread.icon_from_external_svg.clone(),
3202                        status: thread.status,
3203                        metadata: thread.metadata.clone(),
3204                        workspace,
3205                        project_name: current_header_label.clone(),
3206                        worktrees: thread
3207                            .worktrees
3208                            .iter()
3209                            .map(|wt| ThreadItemWorktreeInfo {
3210                                name: wt.name.clone(),
3211                                full_path: wt.full_path.clone(),
3212                                highlight_positions: Vec::new(),
3213                                kind: wt.kind,
3214                            })
3215                            .collect(),
3216                        diff_stats: thread.diff_stats,
3217                        is_title_generating: thread.is_title_generating,
3218                        notified,
3219                        timestamp,
3220                    })
3221                }
3222                _ => None,
3223            })
3224            .collect();
3225
3226        entries.sort_by(|a, b| {
3227            let a_accessed = self.thread_last_accessed.get(&a.session_id);
3228            let b_accessed = self.thread_last_accessed.get(&b.session_id);
3229
3230            match (a_accessed, b_accessed) {
3231                (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3232                (Some(_), None) => std::cmp::Ordering::Less,
3233                (None, Some(_)) => std::cmp::Ordering::Greater,
3234                (None, None) => {
3235                    let a_sent = self.thread_last_message_sent_or_queued.get(&a.session_id);
3236                    let b_sent = self.thread_last_message_sent_or_queued.get(&b.session_id);
3237
3238                    match (a_sent, b_sent) {
3239                        (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3240                        (Some(_), None) => std::cmp::Ordering::Less,
3241                        (None, Some(_)) => std::cmp::Ordering::Greater,
3242                        (None, None) => {
3243                            let a_time = a.metadata.created_at.or(Some(a.metadata.updated_at));
3244                            let b_time = b.metadata.created_at.or(Some(b.metadata.updated_at));
3245                            b_time.cmp(&a_time)
3246                        }
3247                    }
3248                }
3249            }
3250        });
3251
3252        entries
3253    }
3254
3255    fn dismiss_thread_switcher(&mut self, cx: &mut Context<Self>) {
3256        self.thread_switcher = None;
3257        self._thread_switcher_subscriptions.clear();
3258        if let Some(mw) = self.multi_workspace.upgrade() {
3259            mw.update(cx, |mw, cx| {
3260                mw.set_sidebar_overlay(None, cx);
3261            });
3262        }
3263    }
3264
3265    fn on_toggle_thread_switcher(
3266        &mut self,
3267        action: &ToggleThreadSwitcher,
3268        window: &mut Window,
3269        cx: &mut Context<Self>,
3270    ) {
3271        self.toggle_thread_switcher_impl(action.select_last, window, cx);
3272    }
3273
3274    fn toggle_thread_switcher_impl(
3275        &mut self,
3276        select_last: bool,
3277        window: &mut Window,
3278        cx: &mut Context<Self>,
3279    ) {
3280        if let Some(thread_switcher) = &self.thread_switcher {
3281            thread_switcher.update(cx, |switcher, cx| {
3282                if select_last {
3283                    switcher.select_last(cx);
3284                } else {
3285                    switcher.cycle_selection(cx);
3286                }
3287            });
3288            return;
3289        }
3290
3291        let entries = self.mru_threads_for_switcher(cx);
3292        if entries.len() < 2 {
3293            return;
3294        }
3295
3296        let weak_multi_workspace = self.multi_workspace.clone();
3297
3298        let original_metadata = match &self.active_entry {
3299            Some(ActiveEntry::Thread { session_id, .. }) => entries
3300                .iter()
3301                .find(|e| &e.session_id == session_id)
3302                .map(|e| e.metadata.clone()),
3303            _ => None,
3304        };
3305        let original_workspace = self
3306            .multi_workspace
3307            .upgrade()
3308            .map(|mw| mw.read(cx).workspace().clone());
3309
3310        let thread_switcher = cx.new(|cx| ThreadSwitcher::new(entries, select_last, window, cx));
3311
3312        let mut subscriptions = Vec::new();
3313
3314        subscriptions.push(cx.subscribe_in(&thread_switcher, window, {
3315            let thread_switcher = thread_switcher.clone();
3316            move |this, _emitter, event: &ThreadSwitcherEvent, window, cx| match event {
3317                ThreadSwitcherEvent::Preview {
3318                    metadata,
3319                    workspace,
3320                } => {
3321                    if let Some(mw) = weak_multi_workspace.upgrade() {
3322                        mw.update(cx, |mw, cx| {
3323                            mw.activate(workspace.clone(), window, cx);
3324                        });
3325                    }
3326                    this.active_entry = Some(ActiveEntry::Thread {
3327                        session_id: metadata.session_id.clone(),
3328                        workspace: workspace.clone(),
3329                    });
3330                    this.update_entries(cx);
3331                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3332                    let focus = thread_switcher.focus_handle(cx);
3333                    window.focus(&focus, cx);
3334                }
3335                ThreadSwitcherEvent::Confirmed {
3336                    metadata,
3337                    workspace,
3338                } => {
3339                    if let Some(mw) = weak_multi_workspace.upgrade() {
3340                        mw.update(cx, |mw, cx| {
3341                            mw.activate(workspace.clone(), window, cx);
3342                            mw.retain_active_workspace(cx);
3343                        });
3344                    }
3345                    this.record_thread_access(&metadata.session_id);
3346                    this.active_entry = Some(ActiveEntry::Thread {
3347                        session_id: metadata.session_id.clone(),
3348                        workspace: workspace.clone(),
3349                    });
3350                    this.update_entries(cx);
3351                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3352                    this.dismiss_thread_switcher(cx);
3353                    workspace.update(cx, |workspace, cx| {
3354                        workspace.focus_panel::<AgentPanel>(window, cx);
3355                    });
3356                }
3357                ThreadSwitcherEvent::Dismissed => {
3358                    if let Some(mw) = weak_multi_workspace.upgrade() {
3359                        if let Some(original_ws) = &original_workspace {
3360                            mw.update(cx, |mw, cx| {
3361                                mw.activate(original_ws.clone(), window, cx);
3362                            });
3363                        }
3364                    }
3365                    if let Some(metadata) = &original_metadata {
3366                        if let Some(original_ws) = &original_workspace {
3367                            this.active_entry = Some(ActiveEntry::Thread {
3368                                session_id: metadata.session_id.clone(),
3369                                workspace: original_ws.clone(),
3370                            });
3371                        }
3372                        this.update_entries(cx);
3373                        if let Some(original_ws) = &original_workspace {
3374                            Self::load_agent_thread_in_workspace(
3375                                original_ws,
3376                                metadata,
3377                                false,
3378                                window,
3379                                cx,
3380                            );
3381                        }
3382                    }
3383                    this.dismiss_thread_switcher(cx);
3384                }
3385            }
3386        }));
3387
3388        subscriptions.push(cx.subscribe_in(
3389            &thread_switcher,
3390            window,
3391            |this, _emitter, _event: &gpui::DismissEvent, _window, cx| {
3392                this.dismiss_thread_switcher(cx);
3393            },
3394        ));
3395
3396        let focus = thread_switcher.focus_handle(cx);
3397        let overlay_view = gpui::AnyView::from(thread_switcher.clone());
3398
3399        // Replay the initial preview that was emitted during construction
3400        // before subscriptions were wired up.
3401        let initial_preview = thread_switcher
3402            .read(cx)
3403            .selected_entry()
3404            .map(|entry| (entry.metadata.clone(), entry.workspace.clone()));
3405
3406        self.thread_switcher = Some(thread_switcher);
3407        self._thread_switcher_subscriptions = subscriptions;
3408        if let Some(mw) = self.multi_workspace.upgrade() {
3409            mw.update(cx, |mw, cx| {
3410                mw.set_sidebar_overlay(Some(overlay_view), cx);
3411            });
3412        }
3413
3414        if let Some((metadata, workspace)) = initial_preview {
3415            if let Some(mw) = self.multi_workspace.upgrade() {
3416                mw.update(cx, |mw, cx| {
3417                    mw.activate(workspace.clone(), window, cx);
3418                });
3419            }
3420            self.active_entry = Some(ActiveEntry::Thread {
3421                session_id: metadata.session_id.clone(),
3422                workspace: workspace.clone(),
3423            });
3424            self.update_entries(cx);
3425            Self::load_agent_thread_in_workspace(&workspace, &metadata, false, window, cx);
3426        }
3427
3428        window.focus(&focus, cx);
3429    }
3430
3431    fn render_thread(
3432        &self,
3433        ix: usize,
3434        thread: &ThreadEntry,
3435        is_active: bool,
3436        is_focused: bool,
3437        cx: &mut Context<Self>,
3438    ) -> AnyElement {
3439        let has_notification = self
3440            .contents
3441            .is_thread_notified(&thread.metadata.session_id);
3442
3443        let title: SharedString = thread.metadata.title.clone();
3444        let metadata = thread.metadata.clone();
3445        let thread_workspace = thread.workspace.clone();
3446
3447        let is_hovered = self.hovered_thread_index == Some(ix);
3448        let is_selected = is_active;
3449        let is_running = matches!(
3450            thread.status,
3451            AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation
3452        );
3453
3454        let session_id_for_delete = thread.metadata.session_id.clone();
3455        let focus_handle = self.focus_handle.clone();
3456
3457        let id = SharedString::from(format!("thread-entry-{}", ix));
3458
3459        let color = cx.theme().colors();
3460        let sidebar_bg = color
3461            .title_bar_background
3462            .blend(color.panel_background.opacity(0.25));
3463
3464        let timestamp = format_history_entry_timestamp(
3465            self.thread_last_message_sent_or_queued
3466                .get(&thread.metadata.session_id)
3467                .copied()
3468                .or(thread.metadata.created_at)
3469                .unwrap_or(thread.metadata.updated_at),
3470        );
3471
3472        let is_remote = thread.workspace.is_remote(cx);
3473
3474        ThreadItem::new(id, title)
3475            .base_bg(sidebar_bg)
3476            .icon(thread.icon)
3477            .status(thread.status)
3478            .is_remote(is_remote)
3479            .when_some(thread.icon_from_external_svg.clone(), |this, svg| {
3480                this.custom_icon_from_external_svg(svg)
3481            })
3482            .worktrees(
3483                thread
3484                    .worktrees
3485                    .iter()
3486                    .map(|wt| ThreadItemWorktreeInfo {
3487                        name: wt.name.clone(),
3488                        full_path: wt.full_path.clone(),
3489                        highlight_positions: wt.highlight_positions.clone(),
3490                        kind: wt.kind,
3491                    })
3492                    .collect(),
3493            )
3494            .timestamp(timestamp)
3495            .highlight_positions(thread.highlight_positions.to_vec())
3496            .title_generating(thread.is_title_generating)
3497            .notified(has_notification)
3498            .when(thread.diff_stats.lines_added > 0, |this| {
3499                this.added(thread.diff_stats.lines_added as usize)
3500            })
3501            .when(thread.diff_stats.lines_removed > 0, |this| {
3502                this.removed(thread.diff_stats.lines_removed as usize)
3503            })
3504            .selected(is_selected)
3505            .focused(is_focused)
3506            .hovered(is_hovered)
3507            .on_hover(cx.listener(move |this, is_hovered: &bool, _window, cx| {
3508                if *is_hovered {
3509                    this.hovered_thread_index = Some(ix);
3510                } else if this.hovered_thread_index == Some(ix) {
3511                    this.hovered_thread_index = None;
3512                }
3513                cx.notify();
3514            }))
3515            .when(is_hovered && is_running, |this| {
3516                this.action_slot(
3517                    IconButton::new("stop-thread", IconName::Stop)
3518                        .icon_size(IconSize::Small)
3519                        .icon_color(Color::Error)
3520                        .style(ButtonStyle::Tinted(TintColor::Error))
3521                        .tooltip(Tooltip::text("Stop Generation"))
3522                        .on_click({
3523                            let session_id = session_id_for_delete.clone();
3524                            cx.listener(move |this, _, _window, cx| {
3525                                this.stop_thread(&session_id, cx);
3526                            })
3527                        }),
3528                )
3529            })
3530            .when(is_hovered && !is_running, |this| {
3531                this.action_slot(
3532                    IconButton::new("archive-thread", IconName::Archive)
3533                        .icon_size(IconSize::Small)
3534                        .icon_color(Color::Muted)
3535                        .tooltip({
3536                            let focus_handle = focus_handle.clone();
3537                            move |_window, cx| {
3538                                Tooltip::for_action_in(
3539                                    "Archive Thread",
3540                                    &RemoveSelectedThread,
3541                                    &focus_handle,
3542                                    cx,
3543                                )
3544                            }
3545                        })
3546                        .on_click({
3547                            let session_id = session_id_for_delete.clone();
3548                            cx.listener(move |this, _, window, cx| {
3549                                this.archive_thread(&session_id, window, cx);
3550                            })
3551                        }),
3552                )
3553            })
3554            .on_click({
3555                cx.listener(move |this, _, window, cx| {
3556                    this.selection = None;
3557                    match &thread_workspace {
3558                        ThreadEntryWorkspace::Open(workspace) => {
3559                            this.activate_thread(metadata.clone(), workspace, false, window, cx);
3560                        }
3561                        ThreadEntryWorkspace::Closed {
3562                            folder_paths,
3563                            project_group_key,
3564                        } => {
3565                            this.open_workspace_and_activate_thread(
3566                                metadata.clone(),
3567                                folder_paths.clone(),
3568                                project_group_key,
3569                                window,
3570                                cx,
3571                            );
3572                        }
3573                    }
3574                })
3575            })
3576            .into_any_element()
3577    }
3578
3579    fn render_filter_input(&self, cx: &mut Context<Self>) -> impl IntoElement {
3580        div()
3581            .min_w_0()
3582            .flex_1()
3583            .capture_action(
3584                cx.listener(|this, _: &editor::actions::Newline, window, cx| {
3585                    this.editor_confirm(window, cx);
3586                }),
3587            )
3588            .child(self.filter_editor.clone())
3589    }
3590
3591    fn render_recent_projects_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3592        let multi_workspace = self.multi_workspace.upgrade();
3593
3594        let workspace = multi_workspace
3595            .as_ref()
3596            .map(|mw| mw.read(cx).workspace().downgrade());
3597
3598        let focus_handle = workspace
3599            .as_ref()
3600            .and_then(|ws| ws.upgrade())
3601            .map(|w| w.read(cx).focus_handle(cx))
3602            .unwrap_or_else(|| cx.focus_handle());
3603
3604        let window_project_groups: Vec<ProjectGroupKey> = multi_workspace
3605            .as_ref()
3606            .map(|mw| mw.read(cx).project_group_keys().cloned().collect())
3607            .unwrap_or_default();
3608
3609        let popover_handle = self.recent_projects_popover_handle.clone();
3610
3611        PopoverMenu::new("sidebar-recent-projects-menu")
3612            .with_handle(popover_handle)
3613            .menu(move |window, cx| {
3614                workspace.as_ref().map(|ws| {
3615                    SidebarRecentProjects::popover(
3616                        ws.clone(),
3617                        window_project_groups.clone(),
3618                        focus_handle.clone(),
3619                        window,
3620                        cx,
3621                    )
3622                })
3623            })
3624            .trigger_with_tooltip(
3625                IconButton::new("open-project", IconName::OpenFolder)
3626                    .icon_size(IconSize::Small)
3627                    .selected_style(ButtonStyle::Tinted(TintColor::Accent)),
3628                |_window, cx| {
3629                    Tooltip::for_action(
3630                        "Add Project",
3631                        &OpenRecent {
3632                            create_new_window: false,
3633                        },
3634                        cx,
3635                    )
3636                },
3637            )
3638            .offset(gpui::Point {
3639                x: px(-2.0),
3640                y: px(-2.0),
3641            })
3642            .anchor(gpui::Corner::BottomRight)
3643    }
3644
3645    fn render_view_more(
3646        &self,
3647        ix: usize,
3648        key: &ProjectGroupKey,
3649        is_fully_expanded: bool,
3650        is_selected: bool,
3651        cx: &mut Context<Self>,
3652    ) -> AnyElement {
3653        let key = key.clone();
3654        let id = SharedString::from(format!("view-more-{}", ix));
3655
3656        let label: SharedString = if is_fully_expanded {
3657            "Collapse".into()
3658        } else {
3659            "View More".into()
3660        };
3661
3662        ThreadItem::new(id, label)
3663            .focused(is_selected)
3664            .icon_visible(false)
3665            .title_label_color(Color::Muted)
3666            .on_click(cx.listener(move |this, _, _window, cx| {
3667                this.selection = None;
3668                if is_fully_expanded {
3669                    this.reset_thread_group_expansion(&key, cx);
3670                } else {
3671                    this.expand_thread_group(&key, cx);
3672                }
3673            }))
3674            .into_any_element()
3675    }
3676
3677    fn new_thread_in_group(
3678        &mut self,
3679        _: &NewThreadInGroup,
3680        window: &mut Window,
3681        cx: &mut Context<Self>,
3682    ) {
3683        // If there is a keyboard selection, walk backwards through
3684        // `project_header_indices` to find the header that owns the selected
3685        // row. Otherwise fall back to the active workspace.
3686        let workspace = if let Some(selected_ix) = self.selection {
3687            self.contents
3688                .project_header_indices
3689                .iter()
3690                .rev()
3691                .find(|&&header_ix| header_ix <= selected_ix)
3692                .and_then(|&header_ix| match &self.contents.entries[header_ix] {
3693                    ListEntry::ProjectHeader { key, .. } => {
3694                        self.multi_workspace.upgrade().and_then(|mw| {
3695                            mw.read(cx).workspace_for_paths(
3696                                key.path_list(),
3697                                key.host().as_ref(),
3698                                cx,
3699                            )
3700                        })
3701                    }
3702                    _ => None,
3703                })
3704        } else {
3705            // Use the currently active workspace.
3706            self.multi_workspace
3707                .upgrade()
3708                .map(|mw| mw.read(cx).workspace().clone())
3709        };
3710
3711        let Some(workspace) = workspace else {
3712            return;
3713        };
3714
3715        self.create_new_thread(&workspace, window, cx);
3716    }
3717
3718    fn create_new_thread(
3719        &mut self,
3720        workspace: &Entity<Workspace>,
3721        window: &mut Window,
3722        cx: &mut Context<Self>,
3723    ) {
3724        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3725            return;
3726        };
3727
3728        self.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
3729
3730        multi_workspace.update(cx, |multi_workspace, cx| {
3731            multi_workspace.activate(workspace.clone(), window, cx);
3732        });
3733
3734        workspace.update(cx, |workspace, cx| {
3735            if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) {
3736                agent_panel.update(cx, |panel, cx| {
3737                    panel.new_thread(&NewThread, window, cx);
3738                });
3739            }
3740            workspace.focus_panel::<AgentPanel>(window, cx);
3741        });
3742    }
3743
3744    fn active_project_group_key(&self, cx: &App) -> Option<ProjectGroupKey> {
3745        let multi_workspace = self.multi_workspace.upgrade()?;
3746        let multi_workspace = multi_workspace.read(cx);
3747        Some(multi_workspace.project_group_key_for_workspace(multi_workspace.workspace(), cx))
3748    }
3749
3750    fn active_project_header_position(&self, cx: &App) -> Option<usize> {
3751        let active_key = self.active_project_group_key(cx)?;
3752        self.contents
3753            .project_header_indices
3754            .iter()
3755            .position(|&entry_ix| {
3756                matches!(
3757                    &self.contents.entries[entry_ix],
3758                    ListEntry::ProjectHeader { key, .. } if *key == active_key
3759                )
3760            })
3761    }
3762
3763    fn cycle_project_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3764        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3765            return;
3766        };
3767
3768        let header_count = self.contents.project_header_indices.len();
3769        if header_count == 0 {
3770            return;
3771        }
3772
3773        let current_pos = self.active_project_header_position(cx);
3774
3775        let next_pos = match current_pos {
3776            Some(pos) => {
3777                if forward {
3778                    (pos + 1) % header_count
3779                } else {
3780                    (pos + header_count - 1) % header_count
3781                }
3782            }
3783            None => 0,
3784        };
3785
3786        let header_entry_ix = self.contents.project_header_indices[next_pos];
3787        let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_entry_ix)
3788        else {
3789            return;
3790        };
3791        let key = key.clone();
3792
3793        // Uncollapse the target group so that threads become visible.
3794        self.collapsed_groups.remove(&key);
3795
3796        if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
3797            mw.read(cx)
3798                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3799        }) {
3800            multi_workspace.update(cx, |multi_workspace, cx| {
3801                multi_workspace.activate(workspace, window, cx);
3802                multi_workspace.retain_active_workspace(cx);
3803            });
3804        } else {
3805            self.open_workspace_for_group(&key, window, cx);
3806        }
3807    }
3808
3809    fn on_next_project(&mut self, _: &NextProject, window: &mut Window, cx: &mut Context<Self>) {
3810        self.cycle_project_impl(true, window, cx);
3811    }
3812
3813    fn on_previous_project(
3814        &mut self,
3815        _: &PreviousProject,
3816        window: &mut Window,
3817        cx: &mut Context<Self>,
3818    ) {
3819        self.cycle_project_impl(false, window, cx);
3820    }
3821
3822    fn cycle_thread_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3823        let thread_indices: Vec<usize> = self
3824            .contents
3825            .entries
3826            .iter()
3827            .enumerate()
3828            .filter_map(|(ix, entry)| match entry {
3829                ListEntry::Thread(_) => Some(ix),
3830                _ => None,
3831            })
3832            .collect();
3833
3834        if thread_indices.is_empty() {
3835            return;
3836        }
3837
3838        let current_thread_pos = self.active_entry.as_ref().and_then(|active| {
3839            thread_indices
3840                .iter()
3841                .position(|&ix| active.matches_entry(&self.contents.entries[ix]))
3842        });
3843
3844        let next_pos = match current_thread_pos {
3845            Some(pos) => {
3846                let count = thread_indices.len();
3847                if forward {
3848                    (pos + 1) % count
3849                } else {
3850                    (pos + count - 1) % count
3851                }
3852            }
3853            None => 0,
3854        };
3855
3856        let entry_ix = thread_indices[next_pos];
3857        let ListEntry::Thread(thread) = &self.contents.entries[entry_ix] else {
3858            return;
3859        };
3860
3861        let metadata = thread.metadata.clone();
3862        match &thread.workspace {
3863            ThreadEntryWorkspace::Open(workspace) => {
3864                let workspace = workspace.clone();
3865                self.activate_thread(metadata, &workspace, true, window, cx);
3866            }
3867            ThreadEntryWorkspace::Closed {
3868                folder_paths,
3869                project_group_key,
3870            } => {
3871                let folder_paths = folder_paths.clone();
3872                let project_group_key = project_group_key.clone();
3873                self.open_workspace_and_activate_thread(
3874                    metadata,
3875                    folder_paths,
3876                    &project_group_key,
3877                    window,
3878                    cx,
3879                );
3880            }
3881        }
3882    }
3883
3884    fn on_next_thread(&mut self, _: &NextThread, window: &mut Window, cx: &mut Context<Self>) {
3885        self.cycle_thread_impl(true, window, cx);
3886    }
3887
3888    fn on_previous_thread(
3889        &mut self,
3890        _: &PreviousThread,
3891        window: &mut Window,
3892        cx: &mut Context<Self>,
3893    ) {
3894        self.cycle_thread_impl(false, window, cx);
3895    }
3896
3897    fn expand_thread_group(&mut self, project_group_key: &ProjectGroupKey, cx: &mut Context<Self>) {
3898        let current = self
3899            .expanded_groups
3900            .get(project_group_key)
3901            .copied()
3902            .unwrap_or(0);
3903        self.expanded_groups
3904            .insert(project_group_key.clone(), current + 1);
3905        self.serialize(cx);
3906        self.update_entries(cx);
3907    }
3908
3909    fn reset_thread_group_expansion(
3910        &mut self,
3911        project_group_key: &ProjectGroupKey,
3912        cx: &mut Context<Self>,
3913    ) {
3914        self.expanded_groups.remove(project_group_key);
3915        self.serialize(cx);
3916        self.update_entries(cx);
3917    }
3918
3919    fn collapse_thread_group(
3920        &mut self,
3921        project_group_key: &ProjectGroupKey,
3922        cx: &mut Context<Self>,
3923    ) {
3924        match self.expanded_groups.get(project_group_key).copied() {
3925            Some(batches) if batches > 1 => {
3926                self.expanded_groups
3927                    .insert(project_group_key.clone(), batches - 1);
3928            }
3929            Some(_) => {
3930                self.expanded_groups.remove(project_group_key);
3931            }
3932            None => return,
3933        }
3934        self.serialize(cx);
3935        self.update_entries(cx);
3936    }
3937
3938    fn on_show_more_threads(
3939        &mut self,
3940        _: &ShowMoreThreads,
3941        _window: &mut Window,
3942        cx: &mut Context<Self>,
3943    ) {
3944        let Some(active_key) = self.active_project_group_key(cx) else {
3945            return;
3946        };
3947        self.expand_thread_group(&active_key, cx);
3948    }
3949
3950    fn on_show_fewer_threads(
3951        &mut self,
3952        _: &ShowFewerThreads,
3953        _window: &mut Window,
3954        cx: &mut Context<Self>,
3955    ) {
3956        let Some(active_key) = self.active_project_group_key(cx) else {
3957            return;
3958        };
3959        self.collapse_thread_group(&active_key, cx);
3960    }
3961
3962    fn on_new_thread(
3963        &mut self,
3964        _: &workspace::NewThread,
3965        window: &mut Window,
3966        cx: &mut Context<Self>,
3967    ) {
3968        let Some(workspace) = self.active_workspace(cx) else {
3969            return;
3970        };
3971        self.create_new_thread(&workspace, window, cx);
3972    }
3973
3974    fn render_draft_thread(
3975        &self,
3976        ix: usize,
3977        is_active: bool,
3978        worktrees: &[WorktreeInfo],
3979        is_selected: bool,
3980        cx: &mut Context<Self>,
3981    ) -> AnyElement {
3982        let label: SharedString = if is_active {
3983            self.active_draft_text(cx)
3984                .unwrap_or_else(|| "New Thread".into())
3985        } else {
3986            "New Thread".into()
3987        };
3988
3989        let id = SharedString::from(format!("draft-thread-btn-{}", ix));
3990
3991        let thread_item = ThreadItem::new(id, label)
3992            .icon(IconName::Plus)
3993            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3994            .worktrees(
3995                worktrees
3996                    .iter()
3997                    .map(|wt| ThreadItemWorktreeInfo {
3998                        name: wt.name.clone(),
3999                        full_path: wt.full_path.clone(),
4000                        highlight_positions: wt.highlight_positions.clone(),
4001                        kind: wt.kind,
4002                    })
4003                    .collect(),
4004            )
4005            .selected(true)
4006            .focused(is_selected)
4007            .on_click(cx.listener(|this, _, window, cx| {
4008                if let Some(workspace) = this.active_workspace(cx) {
4009                    if !AgentPanel::is_visible(&workspace, cx) {
4010                        workspace.update(cx, |workspace, cx| {
4011                            workspace.focus_panel::<AgentPanel>(window, cx);
4012                        });
4013                    }
4014                }
4015            }));
4016
4017        div()
4018            .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
4019                cx.stop_propagation();
4020            })
4021            .child(thread_item)
4022            .into_any_element()
4023    }
4024
4025    fn render_new_thread(
4026        &self,
4027        ix: usize,
4028        key: &ProjectGroupKey,
4029        worktrees: &[WorktreeInfo],
4030        workspace: Option<&Entity<Workspace>>,
4031        is_selected: bool,
4032        cx: &mut Context<Self>,
4033    ) -> AnyElement {
4034        let label: SharedString = DEFAULT_THREAD_TITLE.into();
4035        let key = key.clone();
4036
4037        let id = SharedString::from(format!("new-thread-btn-{}", ix));
4038
4039        let mut thread_item = ThreadItem::new(id, label)
4040            .icon(IconName::Plus)
4041            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
4042            .worktrees(
4043                worktrees
4044                    .iter()
4045                    .map(|wt| ThreadItemWorktreeInfo {
4046                        name: wt.name.clone(),
4047                        full_path: wt.full_path.clone(),
4048                        highlight_positions: wt.highlight_positions.clone(),
4049                        kind: wt.kind,
4050                    })
4051                    .collect(),
4052            )
4053            .selected(false)
4054            .focused(is_selected)
4055            .on_click(cx.listener(move |this, _, window, cx| {
4056                this.selection = None;
4057                if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
4058                    mw.read(cx)
4059                        .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
4060                }) {
4061                    this.create_new_thread(&workspace, window, cx);
4062                } else {
4063                    this.open_workspace_for_group(&key, window, cx);
4064                }
4065            }));
4066
4067        // Linked worktree DraftThread entries can be dismissed, which removes
4068        // the workspace from the multi-workspace.
4069        if let Some(workspace) = workspace.cloned() {
4070            thread_item = thread_item.action_slot(
4071                IconButton::new("close-worktree-workspace", IconName::Close)
4072                    .icon_size(IconSize::Small)
4073                    .icon_color(Color::Muted)
4074                    .tooltip(Tooltip::text("Close Workspace"))
4075                    .on_click(cx.listener(move |this, _, window, cx| {
4076                        this.remove_worktree_workspace(workspace.clone(), window, cx);
4077                    })),
4078            );
4079        }
4080
4081        thread_item.into_any_element()
4082    }
4083
4084    fn render_no_results(&self, cx: &mut Context<Self>) -> impl IntoElement {
4085        let has_query = self.has_filter_query(cx);
4086        let message = if has_query {
4087            "No threads match your search."
4088        } else {
4089            "No threads yet"
4090        };
4091
4092        v_flex()
4093            .id("sidebar-no-results")
4094            .p_4()
4095            .size_full()
4096            .items_center()
4097            .justify_center()
4098            .child(
4099                Label::new(message)
4100                    .size(LabelSize::Small)
4101                    .color(Color::Muted),
4102            )
4103    }
4104
4105    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
4106        v_flex()
4107            .id("sidebar-empty-state")
4108            .p_4()
4109            .size_full()
4110            .items_center()
4111            .justify_center()
4112            .gap_1()
4113            .track_focus(&self.focus_handle(cx))
4114            .child(
4115                Button::new("open_project", "Open Project")
4116                    .full_width()
4117                    .key_binding(KeyBinding::for_action(&workspace::Open::default(), cx))
4118                    .on_click(|_, window, cx| {
4119                        window.dispatch_action(
4120                            Open {
4121                                create_new_window: false,
4122                            }
4123                            .boxed_clone(),
4124                            cx,
4125                        );
4126                    }),
4127            )
4128            .child(
4129                h_flex()
4130                    .w_1_2()
4131                    .gap_2()
4132                    .child(Divider::horizontal().color(ui::DividerColor::Border))
4133                    .child(Label::new("or").size(LabelSize::XSmall).color(Color::Muted))
4134                    .child(Divider::horizontal().color(ui::DividerColor::Border)),
4135            )
4136            .child(
4137                Button::new("clone_repo", "Clone Repository")
4138                    .full_width()
4139                    .on_click(|_, window, cx| {
4140                        window.dispatch_action(git::Clone.boxed_clone(), cx);
4141                    }),
4142            )
4143    }
4144
4145    fn render_sidebar_header(
4146        &self,
4147        no_open_projects: bool,
4148        window: &Window,
4149        cx: &mut Context<Self>,
4150    ) -> impl IntoElement {
4151        let has_query = self.has_filter_query(cx);
4152        let sidebar_on_left = self.side(cx) == SidebarSide::Left;
4153        let sidebar_on_right = self.side(cx) == SidebarSide::Right;
4154        let not_fullscreen = !window.is_fullscreen();
4155        let traffic_lights = cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4156        let left_window_controls = !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4157        let right_window_controls =
4158            !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_right;
4159        let header_height = platform_title_bar_height(window);
4160
4161        h_flex()
4162            .h(header_height)
4163            .mt_px()
4164            .pb_px()
4165            .when(left_window_controls, |this| {
4166                this.children(Self::render_left_window_controls(window, cx))
4167            })
4168            .map(|this| {
4169                if traffic_lights {
4170                    this.pl(px(ui::utils::TRAFFIC_LIGHT_PADDING))
4171                } else if !left_window_controls {
4172                    this.pl_1p5()
4173                } else {
4174                    this
4175                }
4176            })
4177            .when(!right_window_controls, |this| this.pr_1p5())
4178            .gap_1()
4179            .when(!no_open_projects, |this| {
4180                this.border_b_1()
4181                    .border_color(cx.theme().colors().border)
4182                    .when(traffic_lights, |this| {
4183                        this.child(Divider::vertical().color(ui::DividerColor::Border))
4184                    })
4185                    .child(
4186                        div().ml_1().child(
4187                            Icon::new(IconName::MagnifyingGlass)
4188                                .size(IconSize::Small)
4189                                .color(Color::Muted),
4190                        ),
4191                    )
4192                    .child(self.render_filter_input(cx))
4193                    .child(
4194                        h_flex()
4195                            .gap_1()
4196                            .when(
4197                                self.selection.is_some()
4198                                    && !self.filter_editor.focus_handle(cx).is_focused(window),
4199                                |this| this.child(KeyBinding::for_action(&FocusSidebarFilter, cx)),
4200                            )
4201                            .when(has_query, |this| {
4202                                this.child(
4203                                    IconButton::new("clear_filter", IconName::Close)
4204                                        .icon_size(IconSize::Small)
4205                                        .tooltip(Tooltip::text("Clear Search"))
4206                                        .on_click(cx.listener(|this, _, window, cx| {
4207                                            this.reset_filter_editor_text(window, cx);
4208                                            this.update_entries(cx);
4209                                        })),
4210                                )
4211                            }),
4212                    )
4213            })
4214            .when(right_window_controls, |this| {
4215                this.children(Self::render_right_window_controls(window, cx))
4216            })
4217    }
4218
4219    fn render_left_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4220        platform_title_bar::render_left_window_controls(
4221            cx.button_layout(),
4222            Box::new(CloseWindow),
4223            window,
4224        )
4225    }
4226
4227    fn render_right_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4228        platform_title_bar::render_right_window_controls(
4229            cx.button_layout(),
4230            Box::new(CloseWindow),
4231            window,
4232        )
4233    }
4234
4235    fn render_sidebar_toggle_button(&self, _cx: &mut Context<Self>) -> impl IntoElement {
4236        let on_right = AgentSettings::get_global(_cx).sidebar_side() == SidebarSide::Right;
4237
4238        sidebar_side_context_menu("sidebar-toggle-menu", _cx)
4239            .anchor(if on_right {
4240                gpui::Corner::BottomRight
4241            } else {
4242                gpui::Corner::BottomLeft
4243            })
4244            .attach(if on_right {
4245                gpui::Corner::TopRight
4246            } else {
4247                gpui::Corner::TopLeft
4248            })
4249            .trigger(move |_is_active, _window, _cx| {
4250                let icon = if on_right {
4251                    IconName::ThreadsSidebarRightOpen
4252                } else {
4253                    IconName::ThreadsSidebarLeftOpen
4254                };
4255                IconButton::new("sidebar-close-toggle", icon)
4256                    .icon_size(IconSize::Small)
4257                    .tooltip(Tooltip::element(move |_window, cx| {
4258                        v_flex()
4259                            .gap_1()
4260                            .child(
4261                                h_flex()
4262                                    .gap_2()
4263                                    .justify_between()
4264                                    .child(Label::new("Toggle Sidebar"))
4265                                    .child(KeyBinding::for_action(&ToggleWorkspaceSidebar, cx)),
4266                            )
4267                            .child(
4268                                h_flex()
4269                                    .pt_1()
4270                                    .gap_2()
4271                                    .border_t_1()
4272                                    .border_color(cx.theme().colors().border_variant)
4273                                    .justify_between()
4274                                    .child(Label::new("Focus Sidebar"))
4275                                    .child(KeyBinding::for_action(&FocusWorkspaceSidebar, cx)),
4276                            )
4277                            .into_any_element()
4278                    }))
4279                    .on_click(|_, window, cx| {
4280                        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
4281                            multi_workspace.update(cx, |multi_workspace, cx| {
4282                                multi_workspace.close_sidebar(window, cx);
4283                            });
4284                        }
4285                    })
4286            })
4287    }
4288
4289    fn render_sidebar_bottom_bar(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4290        let is_archive = matches!(self.view, SidebarView::Archive(..));
4291        let show_import_button = is_archive && !self.should_render_acp_import_onboarding(cx);
4292        let on_right = self.side(cx) == SidebarSide::Right;
4293
4294        let action_buttons = h_flex()
4295            .gap_1()
4296            .when(on_right, |this| this.flex_row_reverse())
4297            .when(show_import_button, |this| {
4298                this.child(
4299                    IconButton::new("thread-import", IconName::ThreadImport)
4300                        .icon_size(IconSize::Small)
4301                        .tooltip(Tooltip::text("Import ACP Threads"))
4302                        .on_click(cx.listener(|this, _, window, cx| {
4303                            this.show_archive(window, cx);
4304                            this.show_thread_import_modal(window, cx);
4305                        })),
4306                )
4307            })
4308            .child(
4309                IconButton::new("archive", IconName::Archive)
4310                    .icon_size(IconSize::Small)
4311                    .toggle_state(is_archive)
4312                    .tooltip(move |_, cx| {
4313                        Tooltip::for_action("Toggle Archived Threads", &ToggleArchive, cx)
4314                    })
4315                    .on_click(cx.listener(|this, _, window, cx| {
4316                        this.toggle_archive(&ToggleArchive, window, cx);
4317                    })),
4318            )
4319            .child(self.render_recent_projects_button(cx));
4320
4321        h_flex()
4322            .p_1()
4323            .gap_1()
4324            .when(on_right, |this| this.flex_row_reverse())
4325            .justify_between()
4326            .border_t_1()
4327            .border_color(cx.theme().colors().border)
4328            .child(self.render_sidebar_toggle_button(cx))
4329            .child(action_buttons)
4330    }
4331
4332    fn active_workspace(&self, cx: &App) -> Option<Entity<Workspace>> {
4333        self.multi_workspace
4334            .upgrade()
4335            .map(|w| w.read(cx).workspace().clone())
4336    }
4337
4338    fn show_thread_import_modal(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4339        let Some(active_workspace) = self.active_workspace(cx) else {
4340            return;
4341        };
4342
4343        let Some(agent_registry_store) = AgentRegistryStore::try_global(cx) else {
4344            return;
4345        };
4346
4347        let agent_server_store = active_workspace
4348            .read(cx)
4349            .project()
4350            .read(cx)
4351            .agent_server_store()
4352            .clone();
4353
4354        let workspace_handle = active_workspace.downgrade();
4355        let multi_workspace = self.multi_workspace.clone();
4356
4357        active_workspace.update(cx, |workspace, cx| {
4358            workspace.toggle_modal(window, cx, |window, cx| {
4359                ThreadImportModal::new(
4360                    agent_server_store,
4361                    agent_registry_store,
4362                    workspace_handle.clone(),
4363                    multi_workspace.clone(),
4364                    window,
4365                    cx,
4366                )
4367            });
4368        });
4369    }
4370
4371    fn should_render_acp_import_onboarding(&self, cx: &App) -> bool {
4372        let has_external_agents = self
4373            .active_workspace(cx)
4374            .map(|ws| {
4375                ws.read(cx)
4376                    .project()
4377                    .read(cx)
4378                    .agent_server_store()
4379                    .read(cx)
4380                    .has_external_agents()
4381            })
4382            .unwrap_or(false);
4383
4384        has_external_agents && !AcpThreadImportOnboarding::dismissed(cx)
4385    }
4386
4387    fn render_acp_import_onboarding(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4388        let description =
4389            "Import threads from your ACP agents — whether started in Zed or another client.";
4390
4391        let bg = cx.theme().colors().text_accent;
4392
4393        v_flex()
4394            .min_w_0()
4395            .w_full()
4396            .p_2()
4397            .border_t_1()
4398            .border_color(cx.theme().colors().border)
4399            .bg(linear_gradient(
4400                360.,
4401                linear_color_stop(bg.opacity(0.06), 1.),
4402                linear_color_stop(bg.opacity(0.), 0.),
4403            ))
4404            .child(
4405                h_flex()
4406                    .min_w_0()
4407                    .w_full()
4408                    .gap_1()
4409                    .justify_between()
4410                    .child(Label::new("Looking for ACP threads?"))
4411                    .child(
4412                        IconButton::new("close-onboarding", IconName::Close)
4413                            .icon_size(IconSize::Small)
4414                            .on_click(|_, _window, cx| AcpThreadImportOnboarding::dismiss(cx)),
4415                    ),
4416            )
4417            .child(Label::new(description).color(Color::Muted).mb_2())
4418            .child(
4419                Button::new("import-acp", "Import ACP Threads")
4420                    .full_width()
4421                    .style(ButtonStyle::OutlinedCustom(cx.theme().colors().border))
4422                    .label_size(LabelSize::Small)
4423                    .start_icon(
4424                        Icon::new(IconName::ThreadImport)
4425                            .size(IconSize::Small)
4426                            .color(Color::Muted),
4427                    )
4428                    .on_click(cx.listener(|this, _, window, cx| {
4429                        this.show_archive(window, cx);
4430                        this.show_thread_import_modal(window, cx);
4431                    })),
4432            )
4433    }
4434
4435    fn toggle_archive(&mut self, _: &ToggleArchive, window: &mut Window, cx: &mut Context<Self>) {
4436        match &self.view {
4437            SidebarView::ThreadList => self.show_archive(window, cx),
4438            SidebarView::Archive(_) => self.show_thread_list(window, cx),
4439        }
4440    }
4441
4442    fn show_archive(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4443        let Some(active_workspace) = self
4444            .multi_workspace
4445            .upgrade()
4446            .map(|w| w.read(cx).workspace().clone())
4447        else {
4448            return;
4449        };
4450        let Some(agent_panel) = active_workspace.read(cx).panel::<AgentPanel>(cx) else {
4451            return;
4452        };
4453
4454        let agent_server_store = active_workspace
4455            .read(cx)
4456            .project()
4457            .read(cx)
4458            .agent_server_store()
4459            .downgrade();
4460
4461        let agent_connection_store = agent_panel.read(cx).connection_store().downgrade();
4462
4463        let archive_view = cx.new(|cx| {
4464            ThreadsArchiveView::new(
4465                active_workspace.downgrade(),
4466                agent_connection_store.clone(),
4467                agent_server_store.clone(),
4468                window,
4469                cx,
4470            )
4471        });
4472
4473        let subscription = cx.subscribe_in(
4474            &archive_view,
4475            window,
4476            |this, _, event: &ThreadsArchiveViewEvent, window, cx| match event {
4477                ThreadsArchiveViewEvent::Close => {
4478                    this.show_thread_list(window, cx);
4479                }
4480                ThreadsArchiveViewEvent::Unarchive { thread } => {
4481                    this.activate_archived_thread(thread.clone(), window, cx);
4482                }
4483                ThreadsArchiveViewEvent::CancelRestore { session_id } => {
4484                    this.restoring_tasks.remove(session_id);
4485                }
4486            },
4487        );
4488
4489        self._subscriptions.push(subscription);
4490        self.view = SidebarView::Archive(archive_view.clone());
4491        archive_view.update(cx, |view, cx| view.focus_filter_editor(window, cx));
4492        self.serialize(cx);
4493        cx.notify();
4494    }
4495
4496    fn show_thread_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4497        self.view = SidebarView::ThreadList;
4498        self._subscriptions.clear();
4499        let handle = self.filter_editor.read(cx).focus_handle(cx);
4500        handle.focus(window, cx);
4501        self.serialize(cx);
4502        cx.notify();
4503    }
4504}
4505
4506impl WorkspaceSidebar for Sidebar {
4507    fn width(&self, _cx: &App) -> Pixels {
4508        self.width
4509    }
4510
4511    fn set_width(&mut self, width: Option<Pixels>, cx: &mut Context<Self>) {
4512        self.width = width.unwrap_or(DEFAULT_WIDTH).clamp(MIN_WIDTH, MAX_WIDTH);
4513        cx.notify();
4514    }
4515
4516    fn has_notifications(&self, _cx: &App) -> bool {
4517        !self.contents.notified_threads.is_empty()
4518    }
4519
4520    fn is_threads_list_view_active(&self) -> bool {
4521        matches!(self.view, SidebarView::ThreadList)
4522    }
4523
4524    fn side(&self, cx: &App) -> SidebarSide {
4525        AgentSettings::get_global(cx).sidebar_side()
4526    }
4527
4528    fn prepare_for_focus(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4529        self.selection = None;
4530        cx.notify();
4531    }
4532
4533    fn toggle_thread_switcher(
4534        &mut self,
4535        select_last: bool,
4536        window: &mut Window,
4537        cx: &mut Context<Self>,
4538    ) {
4539        self.toggle_thread_switcher_impl(select_last, window, cx);
4540    }
4541
4542    fn cycle_project(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4543        self.cycle_project_impl(forward, window, cx);
4544    }
4545
4546    fn cycle_thread(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4547        self.cycle_thread_impl(forward, window, cx);
4548    }
4549
4550    fn serialized_state(&self, _cx: &App) -> Option<String> {
4551        let serialized = SerializedSidebar {
4552            width: Some(f32::from(self.width)),
4553            collapsed_groups: self
4554                .collapsed_groups
4555                .iter()
4556                .cloned()
4557                .map(SerializedProjectGroupKey::from)
4558                .collect(),
4559            expanded_groups: self
4560                .expanded_groups
4561                .iter()
4562                .map(|(key, count)| (SerializedProjectGroupKey::from(key.clone()), *count))
4563                .collect(),
4564            active_view: match self.view {
4565                SidebarView::ThreadList => SerializedSidebarView::ThreadList,
4566                SidebarView::Archive(_) => SerializedSidebarView::Archive,
4567            },
4568        };
4569        serde_json::to_string(&serialized).ok()
4570    }
4571
4572    fn restore_serialized_state(
4573        &mut self,
4574        state: &str,
4575        window: &mut Window,
4576        cx: &mut Context<Self>,
4577    ) {
4578        if let Some(serialized) = serde_json::from_str::<SerializedSidebar>(state).log_err() {
4579            if let Some(width) = serialized.width {
4580                self.width = px(width).clamp(MIN_WIDTH, MAX_WIDTH);
4581            }
4582            self.collapsed_groups = serialized
4583                .collapsed_groups
4584                .into_iter()
4585                .map(ProjectGroupKey::from)
4586                .collect();
4587            self.expanded_groups = serialized
4588                .expanded_groups
4589                .into_iter()
4590                .map(|(s, count)| (ProjectGroupKey::from(s), count))
4591                .collect();
4592            if serialized.active_view == SerializedSidebarView::Archive {
4593                cx.defer_in(window, |this, window, cx| {
4594                    this.show_archive(window, cx);
4595                });
4596            }
4597        }
4598        cx.notify();
4599    }
4600}
4601
4602impl gpui::EventEmitter<workspace::SidebarEvent> for Sidebar {}
4603
4604impl Focusable for Sidebar {
4605    fn focus_handle(&self, _cx: &App) -> FocusHandle {
4606        self.focus_handle.clone()
4607    }
4608}
4609
4610impl Render for Sidebar {
4611    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4612        let _titlebar_height = ui::utils::platform_title_bar_height(window);
4613        let ui_font = theme_settings::setup_ui_font(window, cx);
4614        let sticky_header = self.render_sticky_header(window, cx);
4615
4616        let color = cx.theme().colors();
4617        let bg = color
4618            .title_bar_background
4619            .blend(color.panel_background.opacity(0.25));
4620
4621        let no_open_projects = !self.contents.has_open_projects;
4622        let no_search_results = self.contents.entries.is_empty();
4623
4624        v_flex()
4625            .id("workspace-sidebar")
4626            .key_context(self.dispatch_context(window, cx))
4627            .track_focus(&self.focus_handle)
4628            .on_action(cx.listener(Self::select_next))
4629            .on_action(cx.listener(Self::select_previous))
4630            .on_action(cx.listener(Self::editor_move_down))
4631            .on_action(cx.listener(Self::editor_move_up))
4632            .on_action(cx.listener(Self::select_first))
4633            .on_action(cx.listener(Self::select_last))
4634            .on_action(cx.listener(Self::confirm))
4635            .on_action(cx.listener(Self::expand_selected_entry))
4636            .on_action(cx.listener(Self::collapse_selected_entry))
4637            .on_action(cx.listener(Self::toggle_selected_fold))
4638            .on_action(cx.listener(Self::fold_all))
4639            .on_action(cx.listener(Self::unfold_all))
4640            .on_action(cx.listener(Self::cancel))
4641            .on_action(cx.listener(Self::remove_selected_thread))
4642            .on_action(cx.listener(Self::new_thread_in_group))
4643            .on_action(cx.listener(Self::toggle_archive))
4644            .on_action(cx.listener(Self::focus_sidebar_filter))
4645            .on_action(cx.listener(Self::on_toggle_thread_switcher))
4646            .on_action(cx.listener(Self::on_next_project))
4647            .on_action(cx.listener(Self::on_previous_project))
4648            .on_action(cx.listener(Self::on_next_thread))
4649            .on_action(cx.listener(Self::on_previous_thread))
4650            .on_action(cx.listener(Self::on_show_more_threads))
4651            .on_action(cx.listener(Self::on_show_fewer_threads))
4652            .on_action(cx.listener(Self::on_new_thread))
4653            .on_action(cx.listener(|this, _: &OpenRecent, window, cx| {
4654                this.recent_projects_popover_handle.toggle(window, cx);
4655            }))
4656            .font(ui_font)
4657            .h_full()
4658            .w(self.width)
4659            .bg(bg)
4660            .when(self.side(cx) == SidebarSide::Left, |el| el.border_r_1())
4661            .when(self.side(cx) == SidebarSide::Right, |el| el.border_l_1())
4662            .border_color(color.border)
4663            .map(|this| match &self.view {
4664                SidebarView::ThreadList => this
4665                    .child(self.render_sidebar_header(no_open_projects, window, cx))
4666                    .map(|this| {
4667                        if no_open_projects {
4668                            this.child(self.render_empty_state(cx))
4669                        } else {
4670                            this.child(
4671                                v_flex()
4672                                    .relative()
4673                                    .flex_1()
4674                                    .overflow_hidden()
4675                                    .child(
4676                                        list(
4677                                            self.list_state.clone(),
4678                                            cx.processor(Self::render_list_entry),
4679                                        )
4680                                        .flex_1()
4681                                        .size_full(),
4682                                    )
4683                                    .when(no_search_results, |this| {
4684                                        this.child(self.render_no_results(cx))
4685                                    })
4686                                    .when_some(sticky_header, |this, header| this.child(header))
4687                                    .vertical_scrollbar_for(&self.list_state, window, cx),
4688                            )
4689                        }
4690                    }),
4691                SidebarView::Archive(archive_view) => this.child(archive_view.clone()),
4692            })
4693            .when(self.should_render_acp_import_onboarding(cx), |this| {
4694                this.child(self.render_acp_import_onboarding(cx))
4695            })
4696            .child(self.render_sidebar_bottom_bar(cx))
4697    }
4698}
4699
4700fn all_thread_infos_for_workspace(
4701    workspace: &Entity<Workspace>,
4702    cx: &App,
4703) -> impl Iterator<Item = ActiveThreadInfo> {
4704    let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4705        return None.into_iter().flatten();
4706    };
4707    let agent_panel = agent_panel.read(cx);
4708    let threads = agent_panel
4709        .conversation_views()
4710        .into_iter()
4711        .filter_map(|conversation_view| {
4712            let has_pending_tool_call = conversation_view
4713                .read(cx)
4714                .root_thread_has_pending_tool_call(cx);
4715            let thread_view = conversation_view.read(cx).root_thread(cx)?;
4716            let thread_view_ref = thread_view.read(cx);
4717            let thread = thread_view_ref.thread.read(cx);
4718
4719            let icon = thread_view_ref.agent_icon;
4720            let icon_from_external_svg = thread_view_ref.agent_icon_from_external_svg.clone();
4721            let title = thread
4722                .title()
4723                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into());
4724            let is_native = thread_view_ref.as_native_thread(cx).is_some();
4725            let is_title_generating = is_native && thread.has_provisional_title();
4726            let session_id = thread.session_id().clone();
4727            let is_background = agent_panel.is_background_thread(&session_id);
4728
4729            let status = if has_pending_tool_call {
4730                AgentThreadStatus::WaitingForConfirmation
4731            } else if thread.had_error() {
4732                AgentThreadStatus::Error
4733            } else {
4734                match thread.status() {
4735                    ThreadStatus::Generating => AgentThreadStatus::Running,
4736                    ThreadStatus::Idle => AgentThreadStatus::Completed,
4737                }
4738            };
4739
4740            let diff_stats = thread.action_log().read(cx).diff_stats(cx);
4741
4742            Some(ActiveThreadInfo {
4743                session_id,
4744                title,
4745                status,
4746                icon,
4747                icon_from_external_svg,
4748                is_background,
4749                is_title_generating,
4750                diff_stats,
4751            })
4752        });
4753
4754    Some(threads).into_iter().flatten()
4755}
4756
4757pub fn dump_workspace_info(
4758    workspace: &mut Workspace,
4759    _: &DumpWorkspaceInfo,
4760    window: &mut gpui::Window,
4761    cx: &mut gpui::Context<Workspace>,
4762) {
4763    use std::fmt::Write;
4764
4765    let mut output = String::new();
4766    let this_entity = cx.entity();
4767
4768    let multi_workspace = workspace.multi_workspace().and_then(|weak| weak.upgrade());
4769    let workspaces: Vec<gpui::Entity<Workspace>> = match &multi_workspace {
4770        Some(mw) => mw.read(cx).workspaces().cloned().collect(),
4771        None => vec![this_entity.clone()],
4772    };
4773    let active_workspace = multi_workspace
4774        .as_ref()
4775        .map(|mw| mw.read(cx).workspace().clone());
4776
4777    writeln!(output, "MultiWorkspace: {} workspace(s)", workspaces.len()).ok();
4778
4779    if let Some(mw) = &multi_workspace {
4780        let keys: Vec<_> = mw.read(cx).project_group_keys().cloned().collect();
4781        writeln!(output, "Project group keys ({}):", keys.len()).ok();
4782        for key in keys {
4783            writeln!(output, "  - {key:?}").ok();
4784        }
4785    }
4786
4787    writeln!(output).ok();
4788
4789    for (index, ws) in workspaces.iter().enumerate() {
4790        let is_active = active_workspace.as_ref() == Some(ws);
4791        writeln!(
4792            output,
4793            "--- Workspace {index}{} ---",
4794            if is_active { " (active)" } else { "" }
4795        )
4796        .ok();
4797
4798        // project_group_key_for_workspace internally reads the workspace,
4799        // so we can only call it for workspaces other than this_entity
4800        // (which is already being updated).
4801        if let Some(mw) = &multi_workspace {
4802            if *ws == this_entity {
4803                let workspace_key = workspace.project_group_key(cx);
4804                writeln!(output, "ProjectGroupKey: {workspace_key:?}").ok();
4805            } else {
4806                let effective_key = mw.read(cx).project_group_key_for_workspace(ws, cx);
4807                let workspace_key = ws.read(cx).project_group_key(cx);
4808                if effective_key != workspace_key {
4809                    writeln!(
4810                        output,
4811                        "ProjectGroupKey (multi_workspace): {effective_key:?}"
4812                    )
4813                    .ok();
4814                    writeln!(
4815                        output,
4816                        "ProjectGroupKey (workspace, DISAGREES): {workspace_key:?}"
4817                    )
4818                    .ok();
4819                } else {
4820                    writeln!(output, "ProjectGroupKey: {effective_key:?}").ok();
4821                }
4822            }
4823        } else {
4824            let workspace_key = workspace.project_group_key(cx);
4825            writeln!(output, "ProjectGroupKey: {workspace_key:?}").ok();
4826        }
4827
4828        // The action handler is already inside an update on `this_entity`,
4829        // so we must avoid a nested read/update on that same entity.
4830        if *ws == this_entity {
4831            dump_single_workspace(workspace, &mut output, cx);
4832        } else {
4833            ws.read_with(cx, |ws, cx| {
4834                dump_single_workspace(ws, &mut output, cx);
4835            });
4836        }
4837    }
4838
4839    let project = workspace.project().clone();
4840    cx.spawn_in(window, async move |_this, cx| {
4841        let buffer = project
4842            .update(cx, |project, cx| project.create_buffer(None, false, cx))
4843            .await?;
4844
4845        buffer.update(cx, |buffer, cx| {
4846            buffer.set_text(output, cx);
4847        });
4848
4849        let buffer = cx.new(|cx| {
4850            editor::MultiBuffer::singleton(buffer, cx).with_title("Workspace Info".into())
4851        });
4852
4853        _this.update_in(cx, |workspace, window, cx| {
4854            workspace.add_item_to_active_pane(
4855                Box::new(cx.new(|cx| {
4856                    let mut editor =
4857                        editor::Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4858                    editor.set_read_only(true);
4859                    editor.set_should_serialize(false, cx);
4860                    editor.set_breadcrumb_header("Workspace Info".into());
4861                    editor
4862                })),
4863                None,
4864                true,
4865                window,
4866                cx,
4867            );
4868        })
4869    })
4870    .detach_and_log_err(cx);
4871}
4872
4873fn dump_single_workspace(workspace: &Workspace, output: &mut String, cx: &gpui::App) {
4874    use std::fmt::Write;
4875
4876    let workspace_db_id = workspace.database_id();
4877    match workspace_db_id {
4878        Some(id) => writeln!(output, "Workspace DB ID: {id:?}").ok(),
4879        None => writeln!(output, "Workspace DB ID: (none)").ok(),
4880    };
4881
4882    let project = workspace.project().read(cx);
4883
4884    let repos: Vec<_> = project
4885        .repositories(cx)
4886        .values()
4887        .map(|repo| repo.read(cx).snapshot())
4888        .collect();
4889
4890    writeln!(output, "Worktrees:").ok();
4891    for worktree in project.worktrees(cx) {
4892        let worktree = worktree.read(cx);
4893        let abs_path = worktree.abs_path();
4894        let visible = worktree.is_visible();
4895
4896        let repo_info = repos
4897            .iter()
4898            .find(|snapshot| abs_path.starts_with(&*snapshot.work_directory_abs_path));
4899
4900        let is_linked = repo_info.map(|s| s.is_linked_worktree()).unwrap_or(false);
4901        let original_repo_path = repo_info.map(|s| &s.original_repo_abs_path);
4902        let branch = repo_info.and_then(|s| s.branch.as_ref().map(|b| b.ref_name.clone()));
4903
4904        write!(output, "  - {}", abs_path.display()).ok();
4905        if !visible {
4906            write!(output, " (hidden)").ok();
4907        }
4908        if let Some(branch) = &branch {
4909            write!(output, " [branch: {branch}]").ok();
4910        }
4911        if is_linked {
4912            if let Some(original) = original_repo_path {
4913                write!(output, " [linked worktree -> {}]", original.display()).ok();
4914            } else {
4915                write!(output, " [linked worktree]").ok();
4916            }
4917        }
4918        writeln!(output).ok();
4919    }
4920
4921    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4922        let panel = panel.read(cx);
4923
4924        let panel_workspace_id = panel.workspace_id();
4925        if panel_workspace_id != workspace_db_id {
4926            writeln!(
4927                output,
4928                "  \u{26a0} workspace ID mismatch! panel has {panel_workspace_id:?}, workspace has {workspace_db_id:?}"
4929            )
4930            .ok();
4931        }
4932
4933        if let Some(thread) = panel.active_agent_thread(cx) {
4934            let thread = thread.read(cx);
4935            let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4936            let session_id = thread.session_id();
4937            let status = match thread.status() {
4938                ThreadStatus::Idle => "idle",
4939                ThreadStatus::Generating => "generating",
4940            };
4941            let entry_count = thread.entries().len();
4942            write!(output, "Active thread: {title} (session: {session_id})").ok();
4943            write!(output, " [{status}, {entry_count} entries").ok();
4944            if panel
4945                .active_conversation_view()
4946                .is_some_and(|conversation_view| {
4947                    conversation_view
4948                        .read(cx)
4949                        .root_thread_has_pending_tool_call(cx)
4950                })
4951            {
4952                write!(output, ", awaiting confirmation").ok();
4953            }
4954            writeln!(output, "]").ok();
4955        } else {
4956            writeln!(output, "Active thread: (none)").ok();
4957        }
4958
4959        let background_threads = panel.background_threads();
4960        if !background_threads.is_empty() {
4961            writeln!(
4962                output,
4963                "Background threads ({}): ",
4964                background_threads.len()
4965            )
4966            .ok();
4967            for (session_id, conversation_view) in background_threads {
4968                if let Some(thread_view) = conversation_view.read(cx).root_thread(cx) {
4969                    let thread = thread_view.read(cx).thread.read(cx);
4970                    let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4971                    let status = match thread.status() {
4972                        ThreadStatus::Idle => "idle",
4973                        ThreadStatus::Generating => "generating",
4974                    };
4975                    let entry_count = thread.entries().len();
4976                    write!(output, "  - {title} (session: {session_id})").ok();
4977                    write!(output, " [{status}, {entry_count} entries").ok();
4978                    if conversation_view
4979                        .read(cx)
4980                        .root_thread_has_pending_tool_call(cx)
4981                    {
4982                        write!(output, ", awaiting confirmation").ok();
4983                    }
4984                    writeln!(output, "]").ok();
4985                } else {
4986                    writeln!(output, "  - (not connected) (session: {session_id})").ok();
4987                }
4988            }
4989        }
4990    } else {
4991        writeln!(output, "Agent panel: not loaded").ok();
4992    }
4993
4994    writeln!(output).ok();
4995}