agent_panel.rs

   1use std::ops::{Not, Range};
   2use std::path::Path;
   3use std::rc::Rc;
   4use std::sync::Arc;
   5use std::time::Duration;
   6
   7use acp_thread::AcpThreadMetadata;
   8use agent_servers::AgentServer;
   9use agent2::HistoryEntry;
  10use db::kvp::{Dismissable, KEY_VALUE_STORE};
  11use serde::{Deserialize, Serialize};
  12
  13use crate::acp::{AcpThreadHistory, ThreadHistoryEvent};
  14use crate::agent_diff::AgentDiffThread;
  15use crate::{
  16    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
  17    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
  18    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
  19    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu,
  20    ToggleNewThreadMenu, ToggleOptionsMenu,
  21    acp::AcpThreadView,
  22    active_thread::{self, ActiveThread, ActiveThreadEvent},
  23    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  24    agent_diff::AgentDiff,
  25    message_editor::{MessageEditor, MessageEditorEvent},
  26    slash_command::SlashCommandCompletionProvider,
  27    text_thread_editor::{
  28        AgentPanelDelegate, TextThreadEditor, humanize_token_count, make_lsp_adapter_delegate,
  29        render_remaining_tokens,
  30    },
  31    thread_history::{HistoryEntryElement, ThreadHistory},
  32    ui::{AgentOnboardingModal, EndTrialUpsell},
  33};
  34use crate::{ExternalAgent, NewExternalAgentThread};
  35use agent::{
  36    Thread, ThreadError, ThreadEvent, ThreadId, ThreadSummary, TokenUsageRatio,
  37    context_store::ContextStore,
  38    history_store::{HistoryEntryId, HistoryStore},
  39    thread_store::{TextThreadStore, ThreadStore},
  40};
  41use agent_settings::{AgentDockPosition, AgentSettings, CompletionMode, DefaultView};
  42use ai_onboarding::AgentPanelOnboarding;
  43use anyhow::{Result, anyhow};
  44use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  45use assistant_slash_command::SlashCommandWorkingSet;
  46use assistant_tool::ToolWorkingSet;
  47use client::{UserStore, zed_urls};
  48use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
  49use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  50use feature_flags::{self, FeatureFlagAppExt};
  51use fs::Fs;
  52use gpui::{
  53    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
  54    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, Hsla,
  55    KeyContext, Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*,
  56    pulsating_between,
  57};
  58use language::LanguageRegistry;
  59use language_model::{
  60    ConfigurationError, ConfiguredModel, LanguageModelProviderTosView, LanguageModelRegistry,
  61};
  62use project::{DisableAiSettings, Project, ProjectPath, Worktree};
  63use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  64use rules_library::{RulesLibrary, open_rules_library};
  65use search::{BufferSearchBar, buffer_search};
  66use settings::{Settings, update_settings_file};
  67use theme::ThemeSettings;
  68use time::UtcOffset;
  69use ui::utils::WithRemSize;
  70use ui::{
  71    Banner, Callout, ContextMenu, ContextMenuEntry, Divider, ElevationIndex, KeyBinding,
  72    PopoverMenu, PopoverMenuHandle, ProgressBar, Tab, Tooltip, prelude::*,
  73};
  74use util::ResultExt as _;
  75use workspace::{
  76    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  77    dock::{DockPosition, Panel, PanelEvent},
  78};
  79use zed_actions::{
  80    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  81    agent::{OpenOnboardingModal, OpenSettings, ResetOnboarding, ToggleModelSelector},
  82    assistant::{OpenRulesLibrary, ToggleFocus},
  83};
  84
  85const AGENT_PANEL_KEY: &str = "agent_panel";
  86
  87#[derive(Serialize, Deserialize)]
  88struct SerializedAgentPanel {
  89    width: Option<Pixels>,
  90    selected_agent: Option<AgentType>,
  91}
  92
  93pub fn init(cx: &mut App) {
  94    cx.observe_new(
  95        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  96            workspace
  97                .register_action(|workspace, action: &NewThread, window, cx| {
  98                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  99                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
 100                        workspace.focus_panel::<AgentPanel>(window, cx);
 101                    }
 102                })
 103                .register_action(|workspace, _: &OpenHistory, window, cx| {
 104                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 105                        workspace.focus_panel::<AgentPanel>(window, cx);
 106                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 107                    }
 108                })
 109                .register_action(|workspace, _: &OpenSettings, window, cx| {
 110                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 111                        workspace.focus_panel::<AgentPanel>(window, cx);
 112                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 113                    }
 114                })
 115                .register_action(|workspace, _: &NewTextThread, window, cx| {
 116                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 117                        workspace.focus_panel::<AgentPanel>(window, cx);
 118                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 119                    }
 120                })
 121                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 122                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 123                        workspace.focus_panel::<AgentPanel>(window, cx);
 124                        panel.update(cx, |panel, cx| {
 125                            panel.new_external_thread(action.agent, None, window, cx)
 126                        });
 127                    }
 128                })
 129                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 130                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 131                        workspace.focus_panel::<AgentPanel>(window, cx);
 132                        panel.update(cx, |panel, cx| {
 133                            panel.deploy_rules_library(action, window, cx)
 134                        });
 135                    }
 136                })
 137                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 138                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 139                        workspace.focus_panel::<AgentPanel>(window, cx);
 140                        match &panel.read(cx).active_view {
 141                            ActiveView::Thread { thread, .. } => {
 142                                let thread = thread.read(cx).thread().clone();
 143                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 144                            }
 145                            ActiveView::ExternalAgentThread { .. }
 146                            | ActiveView::TextThread { .. }
 147                            | ActiveView::History
 148                            | ActiveView::Configuration => {}
 149                        }
 150                    }
 151                })
 152                .register_action(|workspace, _: &Follow, window, cx| {
 153                    workspace.follow(CollaboratorId::Agent, window, cx);
 154                })
 155                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 156                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 157                        return;
 158                    };
 159                    workspace.focus_panel::<AgentPanel>(window, cx);
 160                    panel.update(cx, |panel, cx| {
 161                        if let Some(message_editor) = panel.active_message_editor() {
 162                            message_editor.update(cx, |editor, cx| {
 163                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 164                            });
 165                        }
 166                    });
 167                })
 168                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 169                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 170                        workspace.focus_panel::<AgentPanel>(window, cx);
 171                        panel.update(cx, |panel, cx| {
 172                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 173                        });
 174                    }
 175                })
 176                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 177                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 178                        workspace.focus_panel::<AgentPanel>(window, cx);
 179                        panel.update(cx, |panel, cx| {
 180                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 181                        });
 182                    }
 183                })
 184                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
 185                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 186                        workspace.focus_panel::<AgentPanel>(window, cx);
 187                        panel.update(cx, |panel, cx| {
 188                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
 189                        });
 190                    }
 191                })
 192                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 193                    AgentOnboardingModal::toggle(workspace, window, cx)
 194                })
 195                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 196                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 197                    window.refresh();
 198                })
 199                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 200                    OnboardingUpsell::set_dismissed(false, cx);
 201                })
 202                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 203                    TrialEndUpsell::set_dismissed(false, cx);
 204                });
 205        },
 206    )
 207    .detach();
 208}
 209
 210enum ActiveView {
 211    Thread {
 212        thread: Entity<ActiveThread>,
 213        change_title_editor: Entity<Editor>,
 214        message_editor: Entity<MessageEditor>,
 215        _subscriptions: Vec<gpui::Subscription>,
 216    },
 217    ExternalAgentThread {
 218        thread_view: Entity<AcpThreadView>,
 219    },
 220    TextThread {
 221        context_editor: Entity<TextThreadEditor>,
 222        title_editor: Entity<Editor>,
 223        buffer_search_bar: Entity<BufferSearchBar>,
 224        _subscriptions: Vec<gpui::Subscription>,
 225    },
 226    History,
 227    Configuration,
 228}
 229
 230enum WhichFontSize {
 231    AgentFont,
 232    BufferFont,
 233    None,
 234}
 235
 236#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 237pub enum AgentType {
 238    #[default]
 239    Zed,
 240    TextThread,
 241    Gemini,
 242    ClaudeCode,
 243    NativeAgent,
 244}
 245
 246impl AgentType {
 247    fn label(self) -> impl Into<SharedString> {
 248        match self {
 249            Self::Zed | Self::TextThread => "Zed Agent",
 250            Self::NativeAgent => "Agent 2",
 251            Self::Gemini => "Google Gemini",
 252            Self::ClaudeCode => "Claude Code",
 253        }
 254    }
 255
 256    fn icon(self) -> IconName {
 257        match self {
 258            Self::Zed | Self::TextThread => IconName::AiZed,
 259            Self::NativeAgent => IconName::ZedAssistant,
 260            Self::Gemini => IconName::AiGemini,
 261            Self::ClaudeCode => IconName::AiClaude,
 262        }
 263    }
 264}
 265
 266impl ActiveView {
 267    pub fn which_font_size_used(&self) -> WhichFontSize {
 268        match self {
 269            ActiveView::Thread { .. }
 270            | ActiveView::ExternalAgentThread { .. }
 271            | ActiveView::History => WhichFontSize::AgentFont,
 272            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 273            ActiveView::Configuration => WhichFontSize::None,
 274        }
 275    }
 276
 277    pub fn thread(
 278        active_thread: Entity<ActiveThread>,
 279        message_editor: Entity<MessageEditor>,
 280        window: &mut Window,
 281        cx: &mut Context<AgentPanel>,
 282    ) -> Self {
 283        let summary = active_thread.read(cx).summary(cx).or_default();
 284
 285        let editor = cx.new(|cx| {
 286            let mut editor = Editor::single_line(window, cx);
 287            editor.set_text(summary.clone(), window, cx);
 288            editor
 289        });
 290
 291        let subscriptions = vec![
 292            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 293                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 294                    cx.notify();
 295                }
 296                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 297                    ActiveView::Thread { thread, .. } => {
 298                        thread.update(cx, |thread, cx| {
 299                            thread.scroll_to_bottom(cx);
 300                        });
 301                    }
 302                    ActiveView::ExternalAgentThread { .. } => {}
 303                    ActiveView::TextThread { .. }
 304                    | ActiveView::History
 305                    | ActiveView::Configuration => {}
 306                },
 307            }),
 308            window.subscribe(&editor, cx, {
 309                {
 310                    let thread = active_thread.clone();
 311                    move |editor, event, window, cx| match event {
 312                        EditorEvent::BufferEdited => {
 313                            let new_summary = editor.read(cx).text(cx);
 314
 315                            thread.update(cx, |thread, cx| {
 316                                thread.thread().update(cx, |thread, cx| {
 317                                    thread.set_summary(new_summary, cx);
 318                                });
 319                            })
 320                        }
 321                        EditorEvent::Blurred => {
 322                            if editor.read(cx).text(cx).is_empty() {
 323                                let summary = thread.read(cx).summary(cx).or_default();
 324
 325                                editor.update(cx, |editor, cx| {
 326                                    editor.set_text(summary, window, cx);
 327                                });
 328                            }
 329                        }
 330                        _ => {}
 331                    }
 332                }
 333            }),
 334            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 335                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 336                    cx.notify();
 337                }
 338            }),
 339            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 340                let editor = editor.clone();
 341                move |_, thread, event, window, cx| match event {
 342                    ThreadEvent::SummaryGenerated => {
 343                        let summary = thread.read(cx).summary().or_default();
 344
 345                        editor.update(cx, |editor, cx| {
 346                            editor.set_text(summary, window, cx);
 347                        })
 348                    }
 349                    ThreadEvent::MessageAdded(_) => {
 350                        cx.notify();
 351                    }
 352                    _ => {}
 353                }
 354            }),
 355        ];
 356
 357        Self::Thread {
 358            change_title_editor: editor,
 359            thread: active_thread,
 360            message_editor: message_editor,
 361            _subscriptions: subscriptions,
 362        }
 363    }
 364
 365    pub fn prompt_editor(
 366        context_editor: Entity<TextThreadEditor>,
 367        history_store: Entity<HistoryStore>,
 368        language_registry: Arc<LanguageRegistry>,
 369        window: &mut Window,
 370        cx: &mut App,
 371    ) -> Self {
 372        let title = context_editor.read(cx).title(cx).to_string();
 373
 374        let editor = cx.new(|cx| {
 375            let mut editor = Editor::single_line(window, cx);
 376            editor.set_text(title, window, cx);
 377            editor
 378        });
 379
 380        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 381        // cause a custom summary to be set. The presence of this custom summary would cause
 382        // summarization to not happen.
 383        let mut suppress_first_edit = true;
 384
 385        let subscriptions = vec![
 386            window.subscribe(&editor, cx, {
 387                {
 388                    let context_editor = context_editor.clone();
 389                    move |editor, event, window, cx| match event {
 390                        EditorEvent::BufferEdited => {
 391                            if suppress_first_edit {
 392                                suppress_first_edit = false;
 393                                return;
 394                            }
 395                            let new_summary = editor.read(cx).text(cx);
 396
 397                            context_editor.update(cx, |context_editor, cx| {
 398                                context_editor
 399                                    .context()
 400                                    .update(cx, |assistant_context, cx| {
 401                                        assistant_context.set_custom_summary(new_summary, cx);
 402                                    })
 403                            })
 404                        }
 405                        EditorEvent::Blurred => {
 406                            if editor.read(cx).text(cx).is_empty() {
 407                                let summary = context_editor
 408                                    .read(cx)
 409                                    .context()
 410                                    .read(cx)
 411                                    .summary()
 412                                    .or_default();
 413
 414                                editor.update(cx, |editor, cx| {
 415                                    editor.set_text(summary, window, cx);
 416                                });
 417                            }
 418                        }
 419                        _ => {}
 420                    }
 421                }
 422            }),
 423            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 424                let editor = editor.clone();
 425                move |assistant_context, event, window, cx| match event {
 426                    ContextEvent::SummaryGenerated => {
 427                        let summary = assistant_context.read(cx).summary().or_default();
 428
 429                        editor.update(cx, |editor, cx| {
 430                            editor.set_text(summary, window, cx);
 431                        })
 432                    }
 433                    ContextEvent::PathChanged { old_path, new_path } => {
 434                        history_store.update(cx, |history_store, cx| {
 435                            if let Some(old_path) = old_path {
 436                                history_store
 437                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 438                            } else {
 439                                history_store.push_recently_opened_entry(
 440                                    HistoryEntryId::Context(new_path.clone()),
 441                                    cx,
 442                                );
 443                            }
 444                        });
 445                    }
 446                    _ => {}
 447                }
 448            }),
 449        ];
 450
 451        let buffer_search_bar =
 452            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 453        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 454            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 455        });
 456
 457        Self::TextThread {
 458            context_editor,
 459            title_editor: editor,
 460            buffer_search_bar,
 461            _subscriptions: subscriptions,
 462        }
 463    }
 464}
 465
 466pub struct AgentPanel {
 467    workspace: WeakEntity<Workspace>,
 468    user_store: Entity<UserStore>,
 469    project: Entity<Project>,
 470    fs: Arc<dyn Fs>,
 471    language_registry: Arc<LanguageRegistry>,
 472    thread_store: Entity<ThreadStore>,
 473    _default_model_subscription: Subscription,
 474    context_store: Entity<TextThreadStore>,
 475    prompt_store: Option<Entity<PromptStore>>,
 476    inline_assist_context_store: Entity<ContextStore>,
 477    configuration: Option<Entity<AgentConfiguration>>,
 478    configuration_subscription: Option<Subscription>,
 479    local_timezone: UtcOffset,
 480    active_view: ActiveView,
 481    previous_view: Option<ActiveView>,
 482    history_store: Entity<HistoryStore>,
 483    history: Entity<ThreadHistory>,
 484    acp_history: Entity<AcpThreadHistory>,
 485    hovered_recent_history_item: Option<usize>,
 486    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 487    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 488    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 489    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 490    width: Option<Pixels>,
 491    height: Option<Pixels>,
 492    zoomed: bool,
 493    pending_serialization: Option<Task<Result<()>>>,
 494    onboarding: Entity<AgentPanelOnboarding>,
 495    selected_agent: AgentType,
 496}
 497
 498impl AgentPanel {
 499    fn serialize(&mut self, cx: &mut Context<Self>) {
 500        let width = self.width;
 501        let selected_agent = self.selected_agent;
 502        self.pending_serialization = Some(cx.background_spawn(async move {
 503            KEY_VALUE_STORE
 504                .write_kvp(
 505                    AGENT_PANEL_KEY.into(),
 506                    serde_json::to_string(&SerializedAgentPanel {
 507                        width,
 508                        selected_agent: Some(selected_agent),
 509                    })?,
 510                )
 511                .await?;
 512            anyhow::Ok(())
 513        }));
 514    }
 515    pub fn load(
 516        workspace: WeakEntity<Workspace>,
 517        prompt_builder: Arc<PromptBuilder>,
 518        mut cx: AsyncWindowContext,
 519    ) -> Task<Result<Entity<Self>>> {
 520        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 521        cx.spawn(async move |cx| {
 522            let prompt_store = match prompt_store {
 523                Ok(prompt_store) => prompt_store.await.ok(),
 524                Err(_) => None,
 525            };
 526            let tools = cx.new(|_| ToolWorkingSet::default())?;
 527            let thread_store = workspace
 528                .update(cx, |workspace, cx| {
 529                    let project = workspace.project().clone();
 530                    ThreadStore::load(
 531                        project,
 532                        tools.clone(),
 533                        prompt_store.clone(),
 534                        prompt_builder.clone(),
 535                        cx,
 536                    )
 537                })?
 538                .await?;
 539
 540            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 541            let context_store = workspace
 542                .update(cx, |workspace, cx| {
 543                    let project = workspace.project().clone();
 544                    assistant_context::ContextStore::new(
 545                        project,
 546                        prompt_builder.clone(),
 547                        slash_commands,
 548                        cx,
 549                    )
 550                })?
 551                .await?;
 552
 553            let serialized_panel = if let Some(panel) = cx
 554                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 555                .await
 556                .log_err()
 557                .flatten()
 558            {
 559                Some(serde_json::from_str::<SerializedAgentPanel>(&panel)?)
 560            } else {
 561                None
 562            };
 563
 564            let panel = workspace.update_in(cx, |workspace, window, cx| {
 565                let panel = cx.new(|cx| {
 566                    Self::new(
 567                        workspace,
 568                        thread_store,
 569                        context_store,
 570                        prompt_store,
 571                        window,
 572                        cx,
 573                    )
 574                });
 575                if let Some(serialized_panel) = serialized_panel {
 576                    panel.update(cx, |panel, cx| {
 577                        panel.width = serialized_panel.width.map(|w| w.round());
 578                        if let Some(selected_agent) = serialized_panel.selected_agent {
 579                            panel.selected_agent = selected_agent;
 580                            panel.new_agent_thread(selected_agent, window, cx);
 581                        }
 582                        cx.notify();
 583                    });
 584                }
 585                panel
 586            })?;
 587
 588            Ok(panel)
 589        })
 590    }
 591
 592    fn new(
 593        workspace: &Workspace,
 594        thread_store: Entity<ThreadStore>,
 595        context_store: Entity<TextThreadStore>,
 596        prompt_store: Option<Entity<PromptStore>>,
 597        window: &mut Window,
 598        cx: &mut Context<Self>,
 599    ) -> Self {
 600        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 601        let fs = workspace.app_state().fs.clone();
 602        let user_store = workspace.app_state().user_store.clone();
 603        let project = workspace.project();
 604        let language_registry = project.read(cx).languages().clone();
 605        let client = workspace.client().clone();
 606        let workspace = workspace.weak_handle();
 607        let weak_self = cx.entity().downgrade();
 608
 609        let message_editor_context_store =
 610            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 611        let inline_assist_context_store =
 612            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 613
 614        let thread_id = thread.read(cx).id().clone();
 615
 616        let history_store = cx.new(|cx| {
 617            HistoryStore::new(
 618                thread_store.clone(),
 619                context_store.clone(),
 620                [HistoryEntryId::Thread(thread_id)],
 621                cx,
 622            )
 623        });
 624
 625        let message_editor = cx.new(|cx| {
 626            MessageEditor::new(
 627                fs.clone(),
 628                workspace.clone(),
 629                message_editor_context_store.clone(),
 630                prompt_store.clone(),
 631                thread_store.downgrade(),
 632                context_store.downgrade(),
 633                Some(history_store.downgrade()),
 634                thread.clone(),
 635                window,
 636                cx,
 637            )
 638        });
 639
 640        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 641
 642        let active_thread = cx.new(|cx| {
 643            ActiveThread::new(
 644                thread.clone(),
 645                thread_store.clone(),
 646                context_store.clone(),
 647                message_editor_context_store.clone(),
 648                language_registry.clone(),
 649                workspace.clone(),
 650                window,
 651                cx,
 652            )
 653        });
 654
 655        let panel_type = AgentSettings::get_global(cx).default_view;
 656        let active_view = match panel_type {
 657            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 658            DefaultView::TextThread => {
 659                let context =
 660                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 661                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 662                let context_editor = cx.new(|cx| {
 663                    let mut editor = TextThreadEditor::for_context(
 664                        context,
 665                        fs.clone(),
 666                        workspace.clone(),
 667                        project.clone(),
 668                        lsp_adapter_delegate,
 669                        window,
 670                        cx,
 671                    );
 672                    editor.insert_default_prompt(window, cx);
 673                    editor
 674                });
 675                ActiveView::prompt_editor(
 676                    context_editor,
 677                    history_store.clone(),
 678                    language_registry.clone(),
 679                    window,
 680                    cx,
 681                )
 682            }
 683        };
 684
 685        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 686
 687        let weak_panel = weak_self.clone();
 688
 689        window.defer(cx, move |window, cx| {
 690            let panel = weak_panel.clone();
 691            let assistant_navigation_menu =
 692                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 693                    if let Some(panel) = panel.upgrade() {
 694                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 695                    }
 696                    menu.action("View All", Box::new(OpenHistory))
 697                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 698                        .fixed_width(px(320.).into())
 699                        .keep_open_on_confirm(false)
 700                        .key_context("NavigationMenu")
 701                });
 702            weak_panel
 703                .update(cx, |panel, cx| {
 704                    cx.subscribe_in(
 705                        &assistant_navigation_menu,
 706                        window,
 707                        |_, menu, _: &DismissEvent, window, cx| {
 708                            menu.update(cx, |menu, _| {
 709                                menu.clear_selected();
 710                            });
 711                            cx.focus_self(window);
 712                        },
 713                    )
 714                    .detach();
 715                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 716                })
 717                .ok();
 718        });
 719
 720        let _default_model_subscription = cx.subscribe(
 721            &LanguageModelRegistry::global(cx),
 722            |this, _, event: &language_model::Event, cx| match event {
 723                language_model::Event::DefaultModelChanged => match &this.active_view {
 724                    ActiveView::Thread { thread, .. } => {
 725                        thread
 726                            .read(cx)
 727                            .thread()
 728                            .clone()
 729                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
 730                    }
 731                    ActiveView::ExternalAgentThread { .. }
 732                    | ActiveView::TextThread { .. }
 733                    | ActiveView::History
 734                    | ActiveView::Configuration => {}
 735                },
 736                _ => {}
 737            },
 738        );
 739
 740        let onboarding = cx.new(|cx| {
 741            AgentPanelOnboarding::new(
 742                user_store.clone(),
 743                client,
 744                |_window, cx| {
 745                    OnboardingUpsell::set_dismissed(true, cx);
 746                },
 747                cx,
 748            )
 749        });
 750
 751        let acp_history = cx.new(|cx| AcpThreadHistory::new(&project, window, cx));
 752        cx.subscribe_in(
 753            &acp_history,
 754            window,
 755            |this, _, event, window, cx| match event {
 756                ThreadHistoryEvent::Open(HistoryEntry::AcpThread(thread)) => {
 757                    let agent_choice = match thread.agent.0.as_ref() {
 758                        "Claude Code" => Some(ExternalAgent::ClaudeCode),
 759                        "Gemini" => Some(ExternalAgent::Gemini),
 760                        "Native Agent" => Some(ExternalAgent::NativeAgent),
 761                        _ => None,
 762                    };
 763                    this.new_external_thread(agent_choice, Some(thread.clone()), window, cx);
 764                }
 765                ThreadHistoryEvent::Open(HistoryEntry::TextThread(thread)) => {
 766                    todo!()
 767                }
 768            },
 769        )
 770        .detach();
 771
 772        Self {
 773            active_view,
 774            workspace,
 775            user_store,
 776            project: project.clone(),
 777            fs: fs.clone(),
 778            language_registry,
 779            thread_store: thread_store.clone(),
 780            _default_model_subscription,
 781            context_store,
 782            prompt_store,
 783            configuration: None,
 784            configuration_subscription: None,
 785            local_timezone: UtcOffset::from_whole_seconds(
 786                chrono::Local::now().offset().local_minus_utc(),
 787            )
 788            .unwrap(),
 789            inline_assist_context_store,
 790            previous_view: None,
 791            history_store: history_store.clone(),
 792            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 793            acp_history,
 794            hovered_recent_history_item: None,
 795            new_thread_menu_handle: PopoverMenuHandle::default(),
 796            agent_panel_menu_handle: PopoverMenuHandle::default(),
 797            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 798            assistant_navigation_menu: None,
 799            width: None,
 800            height: None,
 801            zoomed: false,
 802            pending_serialization: None,
 803            onboarding,
 804            selected_agent: AgentType::default(),
 805        }
 806    }
 807
 808    pub fn toggle_focus(
 809        workspace: &mut Workspace,
 810        _: &ToggleFocus,
 811        window: &mut Window,
 812        cx: &mut Context<Workspace>,
 813    ) {
 814        if workspace
 815            .panel::<Self>(cx)
 816            .is_some_and(|panel| panel.read(cx).enabled(cx))
 817            && !DisableAiSettings::get_global(cx).disable_ai
 818        {
 819            workspace.toggle_panel_focus::<Self>(window, cx);
 820        }
 821    }
 822
 823    pub(crate) fn local_timezone(&self) -> UtcOffset {
 824        self.local_timezone
 825    }
 826
 827    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 828        &self.prompt_store
 829    }
 830
 831    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 832        &self.inline_assist_context_store
 833    }
 834
 835    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 836        &self.thread_store
 837    }
 838
 839    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 840        &self.context_store
 841    }
 842
 843    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 844        match &self.active_view {
 845            ActiveView::Thread { thread, .. } => {
 846                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 847            }
 848            ActiveView::ExternalAgentThread { .. }
 849            | ActiveView::TextThread { .. }
 850            | ActiveView::History
 851            | ActiveView::Configuration => {}
 852        }
 853    }
 854
 855    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 856        match &self.active_view {
 857            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 858            ActiveView::ExternalAgentThread { .. }
 859            | ActiveView::TextThread { .. }
 860            | ActiveView::History
 861            | ActiveView::Configuration => None,
 862        }
 863    }
 864
 865    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 866        // Preserve chat box text when using creating new thread
 867        let preserved_text = self
 868            .active_message_editor()
 869            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());
 870
 871        let thread = self
 872            .thread_store
 873            .update(cx, |this, cx| this.create_thread(cx));
 874
 875        let context_store = cx.new(|_cx| {
 876            ContextStore::new(
 877                self.project.downgrade(),
 878                Some(self.thread_store.downgrade()),
 879            )
 880        });
 881
 882        if let Some(other_thread_id) = action.from_thread_id.clone() {
 883            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 884                this.open_thread(&other_thread_id, window, cx)
 885            });
 886
 887            cx.spawn({
 888                let context_store = context_store.clone();
 889
 890                async move |_panel, cx| {
 891                    let other_thread = other_thread_task.await?;
 892
 893                    context_store.update(cx, |this, cx| {
 894                        this.add_thread(other_thread, false, cx);
 895                    })?;
 896                    anyhow::Ok(())
 897                }
 898            })
 899            .detach_and_log_err(cx);
 900        }
 901
 902        let active_thread = cx.new(|cx| {
 903            ActiveThread::new(
 904                thread.clone(),
 905                self.thread_store.clone(),
 906                self.context_store.clone(),
 907                context_store.clone(),
 908                self.language_registry.clone(),
 909                self.workspace.clone(),
 910                window,
 911                cx,
 912            )
 913        });
 914
 915        let message_editor = cx.new(|cx| {
 916            MessageEditor::new(
 917                self.fs.clone(),
 918                self.workspace.clone(),
 919                context_store.clone(),
 920                self.prompt_store.clone(),
 921                self.thread_store.downgrade(),
 922                self.context_store.downgrade(),
 923                Some(self.history_store.downgrade()),
 924                thread.clone(),
 925                window,
 926                cx,
 927            )
 928        });
 929
 930        if let Some(text) = preserved_text {
 931            message_editor.update(cx, |editor, cx| {
 932                editor.set_text(text, window, cx);
 933            });
 934        }
 935
 936        message_editor.focus_handle(cx).focus(window);
 937
 938        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
 939        self.set_active_view(thread_view, window, cx);
 940
 941        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 942    }
 943
 944    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 945        let context = self
 946            .context_store
 947            .update(cx, |context_store, cx| context_store.create(cx));
 948        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 949            .log_err()
 950            .flatten();
 951
 952        let context_editor = cx.new(|cx| {
 953            let mut editor = TextThreadEditor::for_context(
 954                context,
 955                self.fs.clone(),
 956                self.workspace.clone(),
 957                self.project.clone(),
 958                lsp_adapter_delegate,
 959                window,
 960                cx,
 961            );
 962            editor.insert_default_prompt(window, cx);
 963            editor
 964        });
 965
 966        self.set_active_view(
 967            ActiveView::prompt_editor(
 968                context_editor.clone(),
 969                self.history_store.clone(),
 970                self.language_registry.clone(),
 971                window,
 972                cx,
 973            ),
 974            window,
 975            cx,
 976        );
 977        context_editor.focus_handle(cx).focus(window);
 978    }
 979
 980    fn new_external_thread(
 981        &mut self,
 982        agent_choice: Option<crate::ExternalAgent>,
 983        restore_thread: Option<AcpThreadMetadata>,
 984        window: &mut Window,
 985        cx: &mut Context<Self>,
 986    ) {
 987        let workspace = self.workspace.clone();
 988        let project = self.project.clone();
 989        let fs = self.fs.clone();
 990
 991        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 992
 993        #[derive(Default, Serialize, Deserialize)]
 994        struct LastUsedExternalAgent {
 995            agent: crate::ExternalAgent,
 996        }
 997
 998        let thread_store = self.thread_store.clone();
 999        let text_thread_store = self.context_store.clone();
1000
1001        cx.spawn_in(window, async move |this, cx| {
1002            let server: Rc<dyn AgentServer> = match agent_choice {
1003                Some(agent) => {
1004                    cx.background_spawn(async move {
1005                        if let Some(serialized) =
1006                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
1007                        {
1008                            KEY_VALUE_STORE
1009                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
1010                                .await
1011                                .log_err();
1012                        }
1013                    })
1014                    .detach();
1015
1016                    agent.server(fs)
1017                }
1018                None => cx
1019                    .background_spawn(async move {
1020                        KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
1021                    })
1022                    .await
1023                    .log_err()
1024                    .flatten()
1025                    .and_then(|value| {
1026                        serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
1027                    })
1028                    .unwrap_or_default()
1029                    .agent
1030                    .server(fs),
1031            };
1032
1033            this.update_in(cx, |this, window, cx| {
1034                let thread_view = cx.new(|cx| {
1035                    crate::acp::AcpThreadView::new(
1036                        server,
1037                        workspace.clone(),
1038                        project,
1039                        thread_store.clone(),
1040                        text_thread_store.clone(),
1041                        restore_thread,
1042                        window,
1043                        cx,
1044                    )
1045                });
1046
1047                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
1048            })
1049        })
1050        .detach_and_log_err(cx);
1051    }
1052
1053    fn deploy_rules_library(
1054        &mut self,
1055        action: &OpenRulesLibrary,
1056        _window: &mut Window,
1057        cx: &mut Context<Self>,
1058    ) {
1059        open_rules_library(
1060            self.language_registry.clone(),
1061            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1062            Rc::new(|| {
1063                Rc::new(SlashCommandCompletionProvider::new(
1064                    Arc::new(SlashCommandWorkingSet::default()),
1065                    None,
1066                    None,
1067                ))
1068            }),
1069            action
1070                .prompt_to_select
1071                .map(|uuid| UserPromptId(uuid).into()),
1072            cx,
1073        )
1074        .detach_and_log_err(cx);
1075    }
1076
1077    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1078        if matches!(self.active_view, ActiveView::History) {
1079            if let Some(previous_view) = self.previous_view.take() {
1080                self.set_active_view(previous_view, window, cx);
1081            }
1082        } else {
1083            self.thread_store
1084                .update(cx, |thread_store, cx| thread_store.reload(cx))
1085                .detach_and_log_err(cx);
1086            self.set_active_view(ActiveView::History, window, cx);
1087        }
1088        cx.notify();
1089    }
1090
1091    pub(crate) fn open_saved_prompt_editor(
1092        &mut self,
1093        path: Arc<Path>,
1094        window: &mut Window,
1095        cx: &mut Context<Self>,
1096    ) -> Task<Result<()>> {
1097        let context = self
1098            .context_store
1099            .update(cx, |store, cx| store.open_local_context(path, cx));
1100        cx.spawn_in(window, async move |this, cx| {
1101            let context = context.await?;
1102            this.update_in(cx, |this, window, cx| {
1103                this.open_prompt_editor(context, window, cx);
1104            })
1105        })
1106    }
1107
1108    pub(crate) fn open_prompt_editor(
1109        &mut self,
1110        context: Entity<AssistantContext>,
1111        window: &mut Window,
1112        cx: &mut Context<Self>,
1113    ) {
1114        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1115            .log_err()
1116            .flatten();
1117        let editor = cx.new(|cx| {
1118            TextThreadEditor::for_context(
1119                context,
1120                self.fs.clone(),
1121                self.workspace.clone(),
1122                self.project.clone(),
1123                lsp_adapter_delegate,
1124                window,
1125                cx,
1126            )
1127        });
1128        self.set_active_view(
1129            ActiveView::prompt_editor(
1130                editor.clone(),
1131                self.history_store.clone(),
1132                self.language_registry.clone(),
1133                window,
1134                cx,
1135            ),
1136            window,
1137            cx,
1138        );
1139    }
1140
1141    pub(crate) fn open_thread_by_id(
1142        &mut self,
1143        thread_id: &ThreadId,
1144        window: &mut Window,
1145        cx: &mut Context<Self>,
1146    ) -> Task<Result<()>> {
1147        let open_thread_task = self
1148            .thread_store
1149            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1150        cx.spawn_in(window, async move |this, cx| {
1151            let thread = open_thread_task.await?;
1152            this.update_in(cx, |this, window, cx| {
1153                this.open_thread(thread, window, cx);
1154                anyhow::Ok(())
1155            })??;
1156            Ok(())
1157        })
1158    }
1159
1160    pub(crate) fn open_thread(
1161        &mut self,
1162        thread: Entity<Thread>,
1163        window: &mut Window,
1164        cx: &mut Context<Self>,
1165    ) {
1166        let context_store = cx.new(|_cx| {
1167            ContextStore::new(
1168                self.project.downgrade(),
1169                Some(self.thread_store.downgrade()),
1170            )
1171        });
1172
1173        let active_thread = cx.new(|cx| {
1174            ActiveThread::new(
1175                thread.clone(),
1176                self.thread_store.clone(),
1177                self.context_store.clone(),
1178                context_store.clone(),
1179                self.language_registry.clone(),
1180                self.workspace.clone(),
1181                window,
1182                cx,
1183            )
1184        });
1185
1186        let message_editor = cx.new(|cx| {
1187            MessageEditor::new(
1188                self.fs.clone(),
1189                self.workspace.clone(),
1190                context_store,
1191                self.prompt_store.clone(),
1192                self.thread_store.downgrade(),
1193                self.context_store.downgrade(),
1194                Some(self.history_store.downgrade()),
1195                thread.clone(),
1196                window,
1197                cx,
1198            )
1199        });
1200        message_editor.focus_handle(cx).focus(window);
1201
1202        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1203        self.set_active_view(thread_view, window, cx);
1204        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1205    }
1206
1207    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1208        match self.active_view {
1209            ActiveView::Configuration | ActiveView::History => {
1210                if let Some(previous_view) = self.previous_view.take() {
1211                    self.active_view = previous_view;
1212
1213                    match &self.active_view {
1214                        ActiveView::Thread { message_editor, .. } => {
1215                            message_editor.focus_handle(cx).focus(window);
1216                        }
1217                        ActiveView::ExternalAgentThread { thread_view } => {
1218                            thread_view.focus_handle(cx).focus(window);
1219                        }
1220                        ActiveView::TextThread { context_editor, .. } => {
1221                            context_editor.focus_handle(cx).focus(window);
1222                        }
1223                        ActiveView::History | ActiveView::Configuration => {}
1224                    }
1225                }
1226                cx.notify();
1227            }
1228            _ => {}
1229        }
1230    }
1231
1232    pub fn toggle_navigation_menu(
1233        &mut self,
1234        _: &ToggleNavigationMenu,
1235        window: &mut Window,
1236        cx: &mut Context<Self>,
1237    ) {
1238        self.assistant_navigation_menu_handle.toggle(window, cx);
1239    }
1240
1241    pub fn toggle_options_menu(
1242        &mut self,
1243        _: &ToggleOptionsMenu,
1244        window: &mut Window,
1245        cx: &mut Context<Self>,
1246    ) {
1247        self.agent_panel_menu_handle.toggle(window, cx);
1248    }
1249
1250    pub fn toggle_new_thread_menu(
1251        &mut self,
1252        _: &ToggleNewThreadMenu,
1253        window: &mut Window,
1254        cx: &mut Context<Self>,
1255    ) {
1256        self.new_thread_menu_handle.toggle(window, cx);
1257    }
1258
1259    pub fn increase_font_size(
1260        &mut self,
1261        action: &IncreaseBufferFontSize,
1262        _: &mut Window,
1263        cx: &mut Context<Self>,
1264    ) {
1265        self.handle_font_size_action(action.persist, px(1.0), cx);
1266    }
1267
1268    pub fn decrease_font_size(
1269        &mut self,
1270        action: &DecreaseBufferFontSize,
1271        _: &mut Window,
1272        cx: &mut Context<Self>,
1273    ) {
1274        self.handle_font_size_action(action.persist, px(-1.0), cx);
1275    }
1276
1277    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1278        match self.active_view.which_font_size_used() {
1279            WhichFontSize::AgentFont => {
1280                if persist {
1281                    update_settings_file::<ThemeSettings>(
1282                        self.fs.clone(),
1283                        cx,
1284                        move |settings, cx| {
1285                            let agent_font_size =
1286                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1287                            let _ = settings
1288                                .agent_font_size
1289                                .insert(Some(theme::clamp_font_size(agent_font_size).into()));
1290                        },
1291                    );
1292                } else {
1293                    theme::adjust_agent_font_size(cx, |size| size + delta);
1294                }
1295            }
1296            WhichFontSize::BufferFont => {
1297                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1298                // default handler that changes that font size.
1299                cx.propagate();
1300            }
1301            WhichFontSize::None => {}
1302        }
1303    }
1304
1305    pub fn reset_font_size(
1306        &mut self,
1307        action: &ResetBufferFontSize,
1308        _: &mut Window,
1309        cx: &mut Context<Self>,
1310    ) {
1311        if action.persist {
1312            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1313                settings.agent_font_size = None;
1314            });
1315        } else {
1316            theme::reset_agent_font_size(cx);
1317        }
1318    }
1319
1320    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1321        if self.zoomed {
1322            cx.emit(PanelEvent::ZoomOut);
1323        } else {
1324            if !self.focus_handle(cx).contains_focused(window, cx) {
1325                cx.focus_self(window);
1326            }
1327            cx.emit(PanelEvent::ZoomIn);
1328        }
1329    }
1330
1331    pub fn open_agent_diff(
1332        &mut self,
1333        _: &OpenAgentDiff,
1334        window: &mut Window,
1335        cx: &mut Context<Self>,
1336    ) {
1337        match &self.active_view {
1338            ActiveView::Thread { thread, .. } => {
1339                let thread = thread.read(cx).thread().clone();
1340                self.workspace
1341                    .update(cx, |workspace, cx| {
1342                        AgentDiffPane::deploy_in_workspace(
1343                            AgentDiffThread::Native(thread),
1344                            workspace,
1345                            window,
1346                            cx,
1347                        )
1348                    })
1349                    .log_err();
1350            }
1351            ActiveView::ExternalAgentThread { .. }
1352            | ActiveView::TextThread { .. }
1353            | ActiveView::History
1354            | ActiveView::Configuration => {}
1355        }
1356    }
1357
1358    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1359        let context_server_store = self.project.read(cx).context_server_store();
1360        let tools = self.thread_store.read(cx).tools();
1361        let fs = self.fs.clone();
1362
1363        self.set_active_view(ActiveView::Configuration, window, cx);
1364        self.configuration = Some(cx.new(|cx| {
1365            AgentConfiguration::new(
1366                fs,
1367                context_server_store,
1368                tools,
1369                self.language_registry.clone(),
1370                self.workspace.clone(),
1371                window,
1372                cx,
1373            )
1374        }));
1375
1376        if let Some(configuration) = self.configuration.as_ref() {
1377            self.configuration_subscription = Some(cx.subscribe_in(
1378                configuration,
1379                window,
1380                Self::handle_agent_configuration_event,
1381            ));
1382
1383            configuration.focus_handle(cx).focus(window);
1384        }
1385    }
1386
1387    pub(crate) fn open_active_thread_as_markdown(
1388        &mut self,
1389        _: &OpenActiveThreadAsMarkdown,
1390        window: &mut Window,
1391        cx: &mut Context<Self>,
1392    ) {
1393        let Some(workspace) = self.workspace.upgrade() else {
1394            return;
1395        };
1396
1397        match &self.active_view {
1398            ActiveView::Thread { thread, .. } => {
1399                active_thread::open_active_thread_as_markdown(
1400                    thread.read(cx).thread().clone(),
1401                    workspace,
1402                    window,
1403                    cx,
1404                )
1405                .detach_and_log_err(cx);
1406            }
1407            ActiveView::ExternalAgentThread { thread_view } => {
1408                thread_view
1409                    .update(cx, |thread_view, cx| {
1410                        thread_view.open_thread_as_markdown(workspace, window, cx)
1411                    })
1412                    .detach_and_log_err(cx);
1413            }
1414            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1415        }
1416    }
1417
1418    fn handle_agent_configuration_event(
1419        &mut self,
1420        _entity: &Entity<AgentConfiguration>,
1421        event: &AssistantConfigurationEvent,
1422        window: &mut Window,
1423        cx: &mut Context<Self>,
1424    ) {
1425        match event {
1426            AssistantConfigurationEvent::NewThread(provider) => {
1427                if LanguageModelRegistry::read_global(cx)
1428                    .default_model()
1429                    .map_or(true, |model| model.provider.id() != provider.id())
1430                {
1431                    if let Some(model) = provider.default_model(cx) {
1432                        update_settings_file::<AgentSettings>(
1433                            self.fs.clone(),
1434                            cx,
1435                            move |settings, _| settings.set_model(model),
1436                        );
1437                    }
1438                }
1439
1440                self.new_thread(&NewThread::default(), window, cx);
1441                if let Some((thread, model)) =
1442                    self.active_thread(cx).zip(provider.default_model(cx))
1443                {
1444                    thread.update(cx, |thread, cx| {
1445                        thread.set_configured_model(
1446                            Some(ConfiguredModel {
1447                                provider: provider.clone(),
1448                                model,
1449                            }),
1450                            cx,
1451                        );
1452                    });
1453                }
1454            }
1455        }
1456    }
1457
1458    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1459        match &self.active_view {
1460            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1461            _ => None,
1462        }
1463    }
1464
1465    pub(crate) fn delete_thread(
1466        &mut self,
1467        thread_id: &ThreadId,
1468        cx: &mut Context<Self>,
1469    ) -> Task<Result<()>> {
1470        self.thread_store
1471            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1472    }
1473
1474    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1475        let ActiveView::Thread { thread, .. } = &self.active_view else {
1476            return;
1477        };
1478
1479        let thread_state = thread.read(cx).thread().read(cx);
1480        if !thread_state.tool_use_limit_reached() {
1481            return;
1482        }
1483
1484        let model = thread_state.configured_model().map(|cm| cm.model.clone());
1485        if let Some(model) = model {
1486            thread.update(cx, |active_thread, cx| {
1487                active_thread.thread().update(cx, |thread, cx| {
1488                    thread.insert_invisible_continue_message(cx);
1489                    thread.advance_prompt_id();
1490                    thread.send_to_model(
1491                        model,
1492                        CompletionIntent::UserPrompt,
1493                        Some(window.window_handle()),
1494                        cx,
1495                    );
1496                });
1497            });
1498        } else {
1499            log::warn!("No configured model available for continuation");
1500        }
1501    }
1502
1503    fn toggle_burn_mode(
1504        &mut self,
1505        _: &ToggleBurnMode,
1506        _window: &mut Window,
1507        cx: &mut Context<Self>,
1508    ) {
1509        let ActiveView::Thread { thread, .. } = &self.active_view else {
1510            return;
1511        };
1512
1513        thread.update(cx, |active_thread, cx| {
1514            active_thread.thread().update(cx, |thread, _cx| {
1515                let current_mode = thread.completion_mode();
1516
1517                thread.set_completion_mode(match current_mode {
1518                    CompletionMode::Burn => CompletionMode::Normal,
1519                    CompletionMode::Normal => CompletionMode::Burn,
1520                });
1521            });
1522        });
1523    }
1524
1525    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1526        match &self.active_view {
1527            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1528            _ => None,
1529        }
1530    }
1531
1532    pub(crate) fn delete_context(
1533        &mut self,
1534        path: Arc<Path>,
1535        cx: &mut Context<Self>,
1536    ) -> Task<Result<()>> {
1537        self.context_store
1538            .update(cx, |this, cx| this.delete_local_context(path, cx))
1539    }
1540
1541    fn set_active_view(
1542        &mut self,
1543        new_view: ActiveView,
1544        window: &mut Window,
1545        cx: &mut Context<Self>,
1546    ) {
1547        let current_is_history = matches!(self.active_view, ActiveView::History);
1548        let new_is_history = matches!(new_view, ActiveView::History);
1549
1550        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1551        let new_is_config = matches!(new_view, ActiveView::Configuration);
1552
1553        let current_is_special = current_is_history || current_is_config;
1554        let new_is_special = new_is_history || new_is_config;
1555
1556        match &self.active_view {
1557            ActiveView::Thread { thread, .. } => {
1558                let thread = thread.read(cx);
1559                if thread.is_empty() {
1560                    let id = thread.thread().read(cx).id().clone();
1561                    self.history_store.update(cx, |store, cx| {
1562                        store.remove_recently_opened_thread(id, cx);
1563                    });
1564                }
1565            }
1566            _ => {}
1567        }
1568
1569        match &new_view {
1570            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1571                let id = thread.read(cx).thread().read(cx).id().clone();
1572                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1573            }),
1574            ActiveView::TextThread { context_editor, .. } => {
1575                self.history_store.update(cx, |store, cx| {
1576                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1577                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1578                    }
1579                })
1580            }
1581            ActiveView::ExternalAgentThread { .. } => {}
1582            ActiveView::History | ActiveView::Configuration => {}
1583        }
1584
1585        if current_is_special && !new_is_special {
1586            self.active_view = new_view;
1587        } else if !current_is_special && new_is_special {
1588            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1589        } else {
1590            if !new_is_special {
1591                self.previous_view = None;
1592            }
1593            self.active_view = new_view;
1594        }
1595
1596        self.focus_handle(cx).focus(window);
1597    }
1598
1599    fn populate_recently_opened_menu_section(
1600        mut menu: ContextMenu,
1601        panel: Entity<Self>,
1602        cx: &mut Context<ContextMenu>,
1603    ) -> ContextMenu {
1604        let entries = panel
1605            .read(cx)
1606            .history_store
1607            .read(cx)
1608            .recently_opened_entries(cx);
1609
1610        if entries.is_empty() {
1611            return menu;
1612        }
1613
1614        menu = menu.header("Recently Opened");
1615
1616        for entry in entries {
1617            let title = entry.title().clone();
1618            let id = entry.id();
1619
1620            menu = menu.entry_with_end_slot_on_hover(
1621                title,
1622                None,
1623                {
1624                    let panel = panel.downgrade();
1625                    let id = id.clone();
1626                    move |window, cx| {
1627                        let id = id.clone();
1628                        panel
1629                            .update(cx, move |this, cx| match id {
1630                                HistoryEntryId::Thread(id) => this
1631                                    .open_thread_by_id(&id, window, cx)
1632                                    .detach_and_log_err(cx),
1633                                HistoryEntryId::Context(path) => this
1634                                    .open_saved_prompt_editor(path.clone(), window, cx)
1635                                    .detach_and_log_err(cx),
1636                            })
1637                            .ok();
1638                    }
1639                },
1640                IconName::Close,
1641                "Close Entry".into(),
1642                {
1643                    let panel = panel.downgrade();
1644                    let id = id.clone();
1645                    move |_window, cx| {
1646                        panel
1647                            .update(cx, |this, cx| {
1648                                this.history_store.update(cx, |history_store, cx| {
1649                                    history_store.remove_recently_opened_entry(&id, cx);
1650                                });
1651                            })
1652                            .ok();
1653                    }
1654                },
1655            );
1656        }
1657
1658        menu = menu.separator();
1659
1660        menu
1661    }
1662
1663    pub fn set_selected_agent(
1664        &mut self,
1665        agent: AgentType,
1666        window: &mut Window,
1667        cx: &mut Context<Self>,
1668    ) {
1669        if self.selected_agent != agent {
1670            self.selected_agent = agent;
1671            self.serialize(cx);
1672            self.new_agent_thread(agent, window, cx);
1673        }
1674    }
1675
1676    pub fn selected_agent(&self) -> AgentType {
1677        self.selected_agent
1678    }
1679
1680    pub fn new_agent_thread(
1681        &mut self,
1682        agent: AgentType,
1683        window: &mut Window,
1684        cx: &mut Context<Self>,
1685    ) {
1686        match agent {
1687            AgentType::Zed => {
1688                window.dispatch_action(
1689                    NewThread {
1690                        from_thread_id: None,
1691                    }
1692                    .boxed_clone(),
1693                    cx,
1694                );
1695            }
1696            AgentType::TextThread => {
1697                window.dispatch_action(NewTextThread.boxed_clone(), cx);
1698            }
1699            AgentType::NativeAgent => {
1700                self.new_external_thread(Some(crate::ExternalAgent::NativeAgent), window, cx)
1701            }
1702            AgentType::Gemini => {
1703                self.new_external_thread(Some(crate::ExternalAgent::Gemini), window, cx)
1704            }
1705            AgentType::ClaudeCode => {
1706                self.new_external_thread(Some(crate::ExternalAgent::ClaudeCode), window, cx)
1707            }
1708        }
1709    }
1710}
1711
1712impl Focusable for AgentPanel {
1713    fn focus_handle(&self, cx: &App) -> FocusHandle {
1714        match &self.active_view {
1715            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1716            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1717            ActiveView::History => {
1718                if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
1719                    self.acp_history.focus_handle(cx)
1720                } else {
1721                    self.history.focus_handle(cx)
1722                }
1723            }
1724
1725            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1726            ActiveView::Configuration => {
1727                if let Some(configuration) = self.configuration.as_ref() {
1728                    configuration.focus_handle(cx)
1729                } else {
1730                    cx.focus_handle()
1731                }
1732            }
1733        }
1734    }
1735}
1736
1737fn agent_panel_dock_position(cx: &App) -> DockPosition {
1738    match AgentSettings::get_global(cx).dock {
1739        AgentDockPosition::Left => DockPosition::Left,
1740        AgentDockPosition::Bottom => DockPosition::Bottom,
1741        AgentDockPosition::Right => DockPosition::Right,
1742    }
1743}
1744
1745impl EventEmitter<PanelEvent> for AgentPanel {}
1746
1747impl Panel for AgentPanel {
1748    fn persistent_name() -> &'static str {
1749        "AgentPanel"
1750    }
1751
1752    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1753        agent_panel_dock_position(cx)
1754    }
1755
1756    fn position_is_valid(&self, position: DockPosition) -> bool {
1757        position != DockPosition::Bottom
1758    }
1759
1760    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1761        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1762            let dock = match position {
1763                DockPosition::Left => AgentDockPosition::Left,
1764                DockPosition::Bottom => AgentDockPosition::Bottom,
1765                DockPosition::Right => AgentDockPosition::Right,
1766            };
1767            settings.set_dock(dock);
1768        });
1769    }
1770
1771    fn size(&self, window: &Window, cx: &App) -> Pixels {
1772        let settings = AgentSettings::get_global(cx);
1773        match self.position(window, cx) {
1774            DockPosition::Left | DockPosition::Right => {
1775                self.width.unwrap_or(settings.default_width)
1776            }
1777            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1778        }
1779    }
1780
1781    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1782        match self.position(window, cx) {
1783            DockPosition::Left | DockPosition::Right => self.width = size,
1784            DockPosition::Bottom => self.height = size,
1785        }
1786        self.serialize(cx);
1787        cx.notify();
1788    }
1789
1790    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1791
1792    fn remote_id() -> Option<proto::PanelId> {
1793        Some(proto::PanelId::AssistantPanel)
1794    }
1795
1796    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1797        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1798    }
1799
1800    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1801        Some("Agent Panel")
1802    }
1803
1804    fn toggle_action(&self) -> Box<dyn Action> {
1805        Box::new(ToggleFocus)
1806    }
1807
1808    fn activation_priority(&self) -> u32 {
1809        3
1810    }
1811
1812    fn enabled(&self, cx: &App) -> bool {
1813        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
1814    }
1815
1816    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1817        self.zoomed
1818    }
1819
1820    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1821        self.zoomed = zoomed;
1822        cx.notify();
1823    }
1824}
1825
1826impl AgentPanel {
1827    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1828        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1829
1830        let content = match &self.active_view {
1831            ActiveView::Thread {
1832                thread: active_thread,
1833                change_title_editor,
1834                ..
1835            } => {
1836                let state = {
1837                    let active_thread = active_thread.read(cx);
1838                    if active_thread.is_empty() {
1839                        &ThreadSummary::Pending
1840                    } else {
1841                        active_thread.summary(cx)
1842                    }
1843                };
1844
1845                match state {
1846                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
1847                        .truncate()
1848                        .into_any_element(),
1849                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1850                        .truncate()
1851                        .into_any_element(),
1852                    ThreadSummary::Ready(_) => div()
1853                        .w_full()
1854                        .child(change_title_editor.clone())
1855                        .into_any_element(),
1856                    ThreadSummary::Error => h_flex()
1857                        .w_full()
1858                        .child(change_title_editor.clone())
1859                        .child(
1860                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
1861                                .icon_size(IconSize::Small)
1862                                .on_click({
1863                                    let active_thread = active_thread.clone();
1864                                    move |_, _window, cx| {
1865                                        active_thread.update(cx, |thread, cx| {
1866                                            thread.regenerate_summary(cx);
1867                                        });
1868                                    }
1869                                })
1870                                .tooltip(move |_window, cx| {
1871                                    cx.new(|_| {
1872                                        Tooltip::new("Failed to generate title")
1873                                            .meta("Click to try again")
1874                                    })
1875                                    .into()
1876                                }),
1877                        )
1878                        .into_any_element(),
1879                }
1880            }
1881            ActiveView::ExternalAgentThread { thread_view } => {
1882                Label::new(thread_view.read(cx).title(cx))
1883                    .truncate()
1884                    .into_any_element()
1885            }
1886            ActiveView::TextThread {
1887                title_editor,
1888                context_editor,
1889                ..
1890            } => {
1891                let summary = context_editor.read(cx).context().read(cx).summary();
1892
1893                match summary {
1894                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1895                        .truncate()
1896                        .into_any_element(),
1897                    ContextSummary::Content(summary) => {
1898                        if summary.done {
1899                            div()
1900                                .w_full()
1901                                .child(title_editor.clone())
1902                                .into_any_element()
1903                        } else {
1904                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1905                                .truncate()
1906                                .into_any_element()
1907                        }
1908                    }
1909                    ContextSummary::Error => h_flex()
1910                        .w_full()
1911                        .child(title_editor.clone())
1912                        .child(
1913                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
1914                                .icon_size(IconSize::Small)
1915                                .on_click({
1916                                    let context_editor = context_editor.clone();
1917                                    move |_, _window, cx| {
1918                                        context_editor.update(cx, |context_editor, cx| {
1919                                            context_editor.regenerate_summary(cx);
1920                                        });
1921                                    }
1922                                })
1923                                .tooltip(move |_window, cx| {
1924                                    cx.new(|_| {
1925                                        Tooltip::new("Failed to generate title")
1926                                            .meta("Click to try again")
1927                                    })
1928                                    .into()
1929                                }),
1930                        )
1931                        .into_any_element(),
1932                }
1933            }
1934            ActiveView::History => Label::new("History").truncate().into_any_element(),
1935            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1936        };
1937
1938        h_flex()
1939            .key_context("TitleEditor")
1940            .id("TitleEditor")
1941            .flex_grow()
1942            .w_full()
1943            .max_w_full()
1944            .overflow_x_scroll()
1945            .child(content)
1946            .into_any()
1947    }
1948
1949    fn render_panel_options_menu(
1950        &self,
1951        window: &mut Window,
1952        cx: &mut Context<Self>,
1953    ) -> impl IntoElement {
1954        let user_store = self.user_store.read(cx);
1955        let usage = user_store.model_request_usage();
1956        let account_url = zed_urls::account_url(cx);
1957
1958        let focus_handle = self.focus_handle(cx);
1959
1960        let full_screen_label = if self.is_zoomed(window, cx) {
1961            "Disable Full Screen"
1962        } else {
1963            "Enable Full Screen"
1964        };
1965
1966        PopoverMenu::new("agent-options-menu")
1967            .trigger_with_tooltip(
1968                IconButton::new("agent-options-menu", IconName::Ellipsis)
1969                    .icon_size(IconSize::Small),
1970                {
1971                    let focus_handle = focus_handle.clone();
1972                    move |window, cx| {
1973                        Tooltip::for_action_in(
1974                            "Toggle Agent Menu",
1975                            &ToggleOptionsMenu,
1976                            &focus_handle,
1977                            window,
1978                            cx,
1979                        )
1980                    }
1981                },
1982            )
1983            .anchor(Corner::TopRight)
1984            .with_handle(self.agent_panel_menu_handle.clone())
1985            .menu({
1986                let focus_handle = focus_handle.clone();
1987                move |window, cx| {
1988                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
1989                        menu = menu.context(focus_handle.clone());
1990                        if let Some(usage) = usage {
1991                            menu = menu
1992                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
1993                                .custom_entry(
1994                                    move |_window, cx| {
1995                                        let used_percentage = match usage.limit {
1996                                            UsageLimit::Limited(limit) => {
1997                                                Some((usage.amount as f32 / limit as f32) * 100.)
1998                                            }
1999                                            UsageLimit::Unlimited => None,
2000                                        };
2001
2002                                        h_flex()
2003                                            .flex_1()
2004                                            .gap_1p5()
2005                                            .children(used_percentage.map(|percent| {
2006                                                ProgressBar::new("usage", percent, 100., cx)
2007                                            }))
2008                                            .child(
2009                                                Label::new(match usage.limit {
2010                                                    UsageLimit::Limited(limit) => {
2011                                                        format!("{} / {limit}", usage.amount)
2012                                                    }
2013                                                    UsageLimit::Unlimited => {
2014                                                        format!("{} / ∞", usage.amount)
2015                                                    }
2016                                                })
2017                                                .size(LabelSize::Small)
2018                                                .color(Color::Muted),
2019                                            )
2020                                            .into_any_element()
2021                                    },
2022                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
2023                                )
2024                                .separator()
2025                        }
2026
2027                        menu = menu
2028                            .header("MCP Servers")
2029                            .action(
2030                                "View Server Extensions",
2031                                Box::new(zed_actions::Extensions {
2032                                    category_filter: Some(
2033                                        zed_actions::ExtensionCategoryFilter::ContextServers,
2034                                    ),
2035                                    id: None,
2036                                }),
2037                            )
2038                            .action("Add Custom Server…", Box::new(AddContextServer))
2039                            .separator();
2040
2041                        menu = menu
2042                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
2043                            .action("Settings", Box::new(OpenSettings))
2044                            .separator()
2045                            .action(full_screen_label, Box::new(ToggleZoom));
2046                        menu
2047                    }))
2048                }
2049            })
2050    }
2051
2052    fn render_recent_entries_menu(&self, cx: &mut Context<Self>) -> impl IntoElement {
2053        let focus_handle = self.focus_handle(cx);
2054
2055        PopoverMenu::new("agent-nav-menu")
2056            .trigger_with_tooltip(
2057                IconButton::new("agent-nav-menu", IconName::MenuAlt).icon_size(IconSize::Small),
2058                {
2059                    let focus_handle = focus_handle.clone();
2060                    move |window, cx| {
2061                        Tooltip::for_action_in(
2062                            "Toggle Recent Threads",
2063                            &ToggleNavigationMenu,
2064                            &focus_handle,
2065                            window,
2066                            cx,
2067                        )
2068                    }
2069                },
2070            )
2071            .anchor(Corner::TopLeft)
2072            .with_handle(self.assistant_navigation_menu_handle.clone())
2073            .menu({
2074                let menu = self.assistant_navigation_menu.clone();
2075                move |window, cx| {
2076                    if let Some(menu) = menu.as_ref() {
2077                        menu.update(cx, |_, cx| {
2078                            cx.defer_in(window, |menu, window, cx| {
2079                                menu.rebuild(window, cx);
2080                            });
2081                        })
2082                    }
2083                    menu.clone()
2084                }
2085            })
2086    }
2087
2088    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
2089        let focus_handle = self.focus_handle(cx);
2090
2091        IconButton::new("go-back", IconName::ArrowLeft)
2092            .icon_size(IconSize::Small)
2093            .on_click(cx.listener(|this, _, window, cx| {
2094                this.go_back(&workspace::GoBack, window, cx);
2095            }))
2096            .tooltip({
2097                let focus_handle = focus_handle.clone();
2098
2099                move |window, cx| {
2100                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
2101                }
2102            })
2103    }
2104
2105    fn render_toolbar_old(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2106        let focus_handle = self.focus_handle(cx);
2107
2108        let active_thread = match &self.active_view {
2109            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2110            ActiveView::ExternalAgentThread { .. }
2111            | ActiveView::TextThread { .. }
2112            | ActiveView::History
2113            | ActiveView::Configuration => None,
2114        };
2115
2116        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2117            .trigger_with_tooltip(
2118                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2119                Tooltip::text("New Thread…"),
2120            )
2121            .anchor(Corner::TopRight)
2122            .with_handle(self.new_thread_menu_handle.clone())
2123            .menu({
2124                let focus_handle = focus_handle.clone();
2125                move |window, cx| {
2126                    let active_thread = active_thread.clone();
2127                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2128                        menu = menu
2129                            .context(focus_handle.clone())
2130                            .when_some(active_thread, |this, active_thread| {
2131                                let thread = active_thread.read(cx);
2132
2133                                if !thread.is_empty() {
2134                                    let thread_id = thread.id().clone();
2135                                    this.item(
2136                                        ContextMenuEntry::new("New From Summary")
2137                                            .icon(IconName::ThreadFromSummary)
2138                                            .icon_color(Color::Muted)
2139                                            .handler(move |window, cx| {
2140                                                window.dispatch_action(
2141                                                    Box::new(NewThread {
2142                                                        from_thread_id: Some(thread_id.clone()),
2143                                                    }),
2144                                                    cx,
2145                                                );
2146                                            }),
2147                                    )
2148                                } else {
2149                                    this
2150                                }
2151                            })
2152                            .item(
2153                                ContextMenuEntry::new("New Thread")
2154                                    .icon(IconName::Thread)
2155                                    .icon_color(Color::Muted)
2156                                    .action(NewThread::default().boxed_clone())
2157                                    .handler(move |window, cx| {
2158                                        window.dispatch_action(
2159                                            NewThread::default().boxed_clone(),
2160                                            cx,
2161                                        );
2162                                    }),
2163                            )
2164                            .item(
2165                                ContextMenuEntry::new("New Text Thread")
2166                                    .icon(IconName::TextThread)
2167                                    .icon_color(Color::Muted)
2168                                    .action(NewTextThread.boxed_clone())
2169                                    .handler(move |window, cx| {
2170                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
2171                                    }),
2172                            );
2173                        menu
2174                    }))
2175                }
2176            });
2177
2178        h_flex()
2179            .id("assistant-toolbar")
2180            .h(Tab::container_height(cx))
2181            .max_w_full()
2182            .flex_none()
2183            .justify_between()
2184            .gap_2()
2185            .bg(cx.theme().colors().tab_bar_background)
2186            .border_b_1()
2187            .border_color(cx.theme().colors().border)
2188            .child(
2189                h_flex()
2190                    .size_full()
2191                    .pl_1()
2192                    .gap_1()
2193                    .child(match &self.active_view {
2194                        ActiveView::History | ActiveView::Configuration => div()
2195                            .pl(DynamicSpacing::Base04.rems(cx))
2196                            .child(self.render_toolbar_back_button(cx))
2197                            .into_any_element(),
2198                        _ => self.render_recent_entries_menu(cx).into_any_element(),
2199                    })
2200                    .child(self.render_title_view(window, cx)),
2201            )
2202            .child(
2203                h_flex()
2204                    .h_full()
2205                    .gap_2()
2206                    .children(self.render_token_count(cx))
2207                    .child(
2208                        h_flex()
2209                            .h_full()
2210                            .gap(DynamicSpacing::Base02.rems(cx))
2211                            .px(DynamicSpacing::Base08.rems(cx))
2212                            .border_l_1()
2213                            .border_color(cx.theme().colors().border)
2214                            .child(new_thread_menu)
2215                            .child(self.render_panel_options_menu(window, cx)),
2216                    ),
2217            )
2218    }
2219
2220    fn render_toolbar_new(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2221        let focus_handle = self.focus_handle(cx);
2222
2223        let active_thread = match &self.active_view {
2224            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2225            ActiveView::ExternalAgentThread { .. }
2226            | ActiveView::TextThread { .. }
2227            | ActiveView::History
2228            | ActiveView::Configuration => None,
2229        };
2230
2231        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2232            .trigger_with_tooltip(
2233                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2234                {
2235                    let focus_handle = focus_handle.clone();
2236                    move |window, cx| {
2237                        Tooltip::for_action_in(
2238                            "New…",
2239                            &ToggleNewThreadMenu,
2240                            &focus_handle,
2241                            window,
2242                            cx,
2243                        )
2244                    }
2245                },
2246            )
2247            .anchor(Corner::TopLeft)
2248            .with_handle(self.new_thread_menu_handle.clone())
2249            .menu({
2250                let focus_handle = focus_handle.clone();
2251                let workspace = self.workspace.clone();
2252
2253                move |window, cx| {
2254                    let active_thread = active_thread.clone();
2255                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2256                        menu = menu
2257                            .context(focus_handle.clone())
2258                            .header("Zed Agent")
2259                            .when_some(active_thread, |this, active_thread| {
2260                                let thread = active_thread.read(cx);
2261
2262                                if !thread.is_empty() {
2263                                    let thread_id = thread.id().clone();
2264                                    this.item(
2265                                        ContextMenuEntry::new("New From Summary")
2266                                            .icon(IconName::ThreadFromSummary)
2267                                            .icon_color(Color::Muted)
2268                                            .handler(move |window, cx| {
2269                                                window.dispatch_action(
2270                                                    Box::new(NewThread {
2271                                                        from_thread_id: Some(thread_id.clone()),
2272                                                    }),
2273                                                    cx,
2274                                                );
2275                                            }),
2276                                    )
2277                                } else {
2278                                    this
2279                                }
2280                            })
2281                            .item(
2282                                ContextMenuEntry::new("New Thread")
2283                                    .icon(IconName::Thread)
2284                                    .icon_color(Color::Muted)
2285                                    .action(NewThread::default().boxed_clone())
2286                                    .handler({
2287                                        let workspace = workspace.clone();
2288                                        move |window, cx| {
2289                                            if let Some(workspace) = workspace.upgrade() {
2290                                                workspace.update(cx, |workspace, cx| {
2291                                                    if let Some(panel) =
2292                                                        workspace.panel::<AgentPanel>(cx)
2293                                                    {
2294                                                        panel.update(cx, |panel, cx| {
2295                                                            panel.set_selected_agent(
2296                                                                AgentType::Zed,
2297                                                                window,
2298                                                                cx,
2299                                                            );
2300                                                        });
2301                                                    }
2302                                                });
2303                                            }
2304                                        }
2305                                    }),
2306                            )
2307                            .item(
2308                                ContextMenuEntry::new("New Text Thread")
2309                                    .icon(IconName::TextThread)
2310                                    .icon_color(Color::Muted)
2311                                    .action(NewTextThread.boxed_clone())
2312                                    .handler({
2313                                        let workspace = workspace.clone();
2314                                        move |window, cx| {
2315                                            if let Some(workspace) = workspace.upgrade() {
2316                                                workspace.update(cx, |workspace, cx| {
2317                                                    if let Some(panel) =
2318                                                        workspace.panel::<AgentPanel>(cx)
2319                                                    {
2320                                                        panel.update(cx, |panel, cx| {
2321                                                            panel.set_selected_agent(
2322                                                                AgentType::TextThread,
2323                                                                window,
2324                                                                cx,
2325                                                            );
2326                                                        });
2327                                                    }
2328                                                });
2329                                            }
2330                                        }
2331                                    }),
2332                            )
2333                            .item(
2334                                ContextMenuEntry::new("New Native Agent Thread")
2335                                    .icon(IconName::ZedAssistant)
2336                                    .icon_color(Color::Muted)
2337                                    .handler({
2338                                        let workspace = workspace.clone();
2339                                        move |window, cx| {
2340                                            if let Some(workspace) = workspace.upgrade() {
2341                                                workspace.update(cx, |workspace, cx| {
2342                                                    if let Some(panel) =
2343                                                        workspace.panel::<AgentPanel>(cx)
2344                                                    {
2345                                                        panel.update(cx, |panel, cx| {
2346                                                            panel.set_selected_agent(
2347                                                                AgentType::NativeAgent,
2348                                                                window,
2349                                                                cx,
2350                                                            );
2351                                                        });
2352                                                    }
2353                                                });
2354                                            }
2355                                        }
2356                                    }),
2357                            )
2358                            .separator()
2359                            .header("External Agents")
2360                            .item(
2361                                ContextMenuEntry::new("New Gemini Thread")
2362                                    .icon(IconName::AiGemini)
2363                                    .icon_color(Color::Muted)
2364                                    .handler({
2365                                        let workspace = workspace.clone();
2366                                        move |window, cx| {
2367                                            if let Some(workspace) = workspace.upgrade() {
2368                                                workspace.update(cx, |workspace, cx| {
2369                                                    if let Some(panel) =
2370                                                        workspace.panel::<AgentPanel>(cx)
2371                                                    {
2372                                                        panel.update(cx, |panel, cx| {
2373                                                            panel.set_selected_agent(
2374                                                                AgentType::Gemini,
2375                                                                window,
2376                                                                cx,
2377                                                            );
2378                                                        });
2379                                                    }
2380                                                });
2381                                            }
2382                                        }
2383                                    }),
2384                            )
2385                            .item(
2386                                ContextMenuEntry::new("New Claude Code Thread")
2387                                    .icon(IconName::AiClaude)
2388                                    .icon_color(Color::Muted)
2389                                    .handler({
2390                                        let workspace = workspace.clone();
2391                                        move |window, cx| {
2392                                            if let Some(workspace) = workspace.upgrade() {
2393                                                workspace.update(cx, |workspace, cx| {
2394                                                    if let Some(panel) =
2395                                                        workspace.panel::<AgentPanel>(cx)
2396                                                    {
2397                                                        panel.update(cx, |panel, cx| {
2398                                                            panel.set_selected_agent(
2399                                                                AgentType::ClaudeCode,
2400                                                                window,
2401                                                                cx,
2402                                                            );
2403                                                        });
2404                                                    }
2405                                                });
2406                                            }
2407                                        }
2408                                    }),
2409                            );
2410                        menu
2411                    }))
2412                }
2413            });
2414
2415        let selected_agent_label = self.selected_agent.label().into();
2416        let selected_agent = div()
2417            .id("selected_agent_icon")
2418            .px(DynamicSpacing::Base02.rems(cx))
2419            .child(Icon::new(self.selected_agent.icon()).color(Color::Muted))
2420            .tooltip(move |window, cx| {
2421                Tooltip::with_meta(
2422                    selected_agent_label.clone(),
2423                    None,
2424                    "Selected Agent",
2425                    window,
2426                    cx,
2427                )
2428            })
2429            .into_any_element();
2430
2431        h_flex()
2432            .id("agent-panel-toolbar")
2433            .h(Tab::container_height(cx))
2434            .max_w_full()
2435            .flex_none()
2436            .justify_between()
2437            .gap_2()
2438            .bg(cx.theme().colors().tab_bar_background)
2439            .border_b_1()
2440            .border_color(cx.theme().colors().border)
2441            .child(
2442                h_flex()
2443                    .size_full()
2444                    .gap(DynamicSpacing::Base04.rems(cx))
2445                    .pl(DynamicSpacing::Base04.rems(cx))
2446                    .child(match &self.active_view {
2447                        ActiveView::History | ActiveView::Configuration => {
2448                            self.render_toolbar_back_button(cx).into_any_element()
2449                        }
2450                        _ => h_flex()
2451                            .gap_1()
2452                            .child(self.render_recent_entries_menu(cx))
2453                            .child(Divider::vertical())
2454                            .child(selected_agent)
2455                            .into_any_element(),
2456                    })
2457                    .child(self.render_title_view(window, cx)),
2458            )
2459            .child(
2460                h_flex()
2461                    .h_full()
2462                    .gap_2()
2463                    .children(self.render_token_count(cx))
2464                    .child(
2465                        h_flex()
2466                            .h_full()
2467                            .gap(DynamicSpacing::Base02.rems(cx))
2468                            .pl(DynamicSpacing::Base04.rems(cx))
2469                            .pr(DynamicSpacing::Base06.rems(cx))
2470                            .border_l_1()
2471                            .border_color(cx.theme().colors().border)
2472                            .child(new_thread_menu)
2473                            .child(self.render_panel_options_menu(window, cx)),
2474                    ),
2475            )
2476    }
2477
2478    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2479        if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
2480            self.render_toolbar_new(window, cx).into_any_element()
2481        } else {
2482            self.render_toolbar_old(window, cx).into_any_element()
2483        }
2484    }
2485
2486    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2487        match &self.active_view {
2488            ActiveView::Thread {
2489                thread,
2490                message_editor,
2491                ..
2492            } => {
2493                let active_thread = thread.read(cx);
2494                let message_editor = message_editor.read(cx);
2495
2496                let editor_empty = message_editor.is_editor_fully_empty(cx);
2497
2498                if active_thread.is_empty() && editor_empty {
2499                    return None;
2500                }
2501
2502                let thread = active_thread.thread().read(cx);
2503                let is_generating = thread.is_generating();
2504                let conversation_token_usage = thread.total_token_usage()?;
2505
2506                let (total_token_usage, is_estimating) =
2507                    if let Some((editing_message_id, unsent_tokens)) =
2508                        active_thread.editing_message_id()
2509                    {
2510                        let combined = thread
2511                            .token_usage_up_to_message(editing_message_id)
2512                            .add(unsent_tokens);
2513
2514                        (combined, unsent_tokens > 0)
2515                    } else {
2516                        let unsent_tokens =
2517                            message_editor.last_estimated_token_count().unwrap_or(0);
2518                        let combined = conversation_token_usage.add(unsent_tokens);
2519
2520                        (combined, unsent_tokens > 0)
2521                    };
2522
2523                let is_waiting_to_update_token_count =
2524                    message_editor.is_waiting_to_update_token_count();
2525
2526                if total_token_usage.total == 0 {
2527                    return None;
2528                }
2529
2530                let token_color = match total_token_usage.ratio() {
2531                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2532                    TokenUsageRatio::Normal => Color::Muted,
2533                    TokenUsageRatio::Warning => Color::Warning,
2534                    TokenUsageRatio::Exceeded => Color::Error,
2535                };
2536
2537                let token_count = h_flex()
2538                    .id("token-count")
2539                    .flex_shrink_0()
2540                    .gap_0p5()
2541                    .when(!is_generating && is_estimating, |parent| {
2542                        parent
2543                            .child(
2544                                h_flex()
2545                                    .mr_1()
2546                                    .size_2p5()
2547                                    .justify_center()
2548                                    .rounded_full()
2549                                    .bg(cx.theme().colors().text.opacity(0.1))
2550                                    .child(
2551                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2552                                    ),
2553                            )
2554                            .tooltip(move |window, cx| {
2555                                Tooltip::with_meta(
2556                                    "Estimated New Token Count",
2557                                    None,
2558                                    format!(
2559                                        "Current Conversation Tokens: {}",
2560                                        humanize_token_count(conversation_token_usage.total)
2561                                    ),
2562                                    window,
2563                                    cx,
2564                                )
2565                            })
2566                    })
2567                    .child(
2568                        Label::new(humanize_token_count(total_token_usage.total))
2569                            .size(LabelSize::Small)
2570                            .color(token_color)
2571                            .map(|label| {
2572                                if is_generating || is_waiting_to_update_token_count {
2573                                    label
2574                                        .with_animation(
2575                                            "used-tokens-label",
2576                                            Animation::new(Duration::from_secs(2))
2577                                                .repeat()
2578                                                .with_easing(pulsating_between(0.6, 1.)),
2579                                            |label, delta| label.alpha(delta),
2580                                        )
2581                                        .into_any()
2582                                } else {
2583                                    label.into_any_element()
2584                                }
2585                            }),
2586                    )
2587                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2588                    .child(
2589                        Label::new(humanize_token_count(total_token_usage.max))
2590                            .size(LabelSize::Small)
2591                            .color(Color::Muted),
2592                    )
2593                    .into_any();
2594
2595                Some(token_count)
2596            }
2597            ActiveView::TextThread { context_editor, .. } => {
2598                let element = render_remaining_tokens(context_editor, cx)?;
2599
2600                Some(element.into_any_element())
2601            }
2602            ActiveView::ExternalAgentThread { .. }
2603            | ActiveView::History
2604            | ActiveView::Configuration => {
2605                return None;
2606            }
2607        }
2608    }
2609
2610    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2611        if TrialEndUpsell::dismissed() {
2612            return false;
2613        }
2614
2615        match &self.active_view {
2616            ActiveView::Thread { thread, .. } => {
2617                if thread
2618                    .read(cx)
2619                    .thread()
2620                    .read(cx)
2621                    .configured_model()
2622                    .map_or(false, |model| {
2623                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2624                    })
2625                {
2626                    return false;
2627                }
2628            }
2629            ActiveView::TextThread { .. } => {
2630                if LanguageModelRegistry::global(cx)
2631                    .read(cx)
2632                    .default_model()
2633                    .map_or(false, |model| {
2634                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2635                    })
2636                {
2637                    return false;
2638                }
2639            }
2640            ActiveView::ExternalAgentThread { .. }
2641            | ActiveView::History
2642            | ActiveView::Configuration => return false,
2643        }
2644
2645        let plan = self.user_store.read(cx).plan();
2646        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2647
2648        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
2649    }
2650
2651    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2652        if OnboardingUpsell::dismissed() {
2653            return false;
2654        }
2655
2656        match &self.active_view {
2657            ActiveView::History | ActiveView::Configuration => false,
2658            ActiveView::ExternalAgentThread { thread_view, .. }
2659                if thread_view.read(cx).as_native_thread(cx).is_none() =>
2660            {
2661                false
2662            }
2663            _ => {
2664                let history_is_empty = self
2665                    .history_store
2666                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2667
2668                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2669                    .providers()
2670                    .iter()
2671                    .any(|provider| {
2672                        provider.is_authenticated(cx)
2673                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2674                    });
2675
2676                history_is_empty || !has_configured_non_zed_providers
2677            }
2678        }
2679    }
2680
2681    fn render_onboarding(
2682        &self,
2683        _window: &mut Window,
2684        cx: &mut Context<Self>,
2685    ) -> Option<impl IntoElement> {
2686        if !self.should_render_onboarding(cx) {
2687            return None;
2688        }
2689
2690        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
2691        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2692
2693        Some(
2694            div()
2695                .when(thread_view, |this| {
2696                    this.size_full().bg(cx.theme().colors().panel_background)
2697                })
2698                .when(text_thread_view, |this| {
2699                    this.bg(cx.theme().colors().editor_background)
2700                })
2701                .child(self.onboarding.clone()),
2702        )
2703    }
2704
2705    fn render_backdrop(&self, cx: &mut Context<Self>) -> impl IntoElement {
2706        div()
2707            .size_full()
2708            .absolute()
2709            .inset_0()
2710            .bg(cx.theme().colors().panel_background)
2711            .opacity(0.8)
2712            .block_mouse_except_scroll()
2713    }
2714
2715    fn render_trial_end_upsell(
2716        &self,
2717        _window: &mut Window,
2718        cx: &mut Context<Self>,
2719    ) -> Option<impl IntoElement> {
2720        if !self.should_render_trial_end_upsell(cx) {
2721            return None;
2722        }
2723
2724        Some(
2725            v_flex()
2726                .absolute()
2727                .inset_0()
2728                .size_full()
2729                .bg(cx.theme().colors().panel_background)
2730                .opacity(0.85)
2731                .block_mouse_except_scroll()
2732                .child(EndTrialUpsell::new(Arc::new({
2733                    let this = cx.entity();
2734                    move |_, cx| {
2735                        this.update(cx, |_this, cx| {
2736                            TrialEndUpsell::set_dismissed(true, cx);
2737                            cx.notify();
2738                        });
2739                    }
2740                }))),
2741        )
2742    }
2743
2744    fn render_empty_state_section_header(
2745        &self,
2746        label: impl Into<SharedString>,
2747        action_slot: Option<AnyElement>,
2748        cx: &mut Context<Self>,
2749    ) -> impl IntoElement {
2750        h_flex()
2751            .mt_2()
2752            .pl_1p5()
2753            .pb_1()
2754            .w_full()
2755            .justify_between()
2756            .border_b_1()
2757            .border_color(cx.theme().colors().border_variant)
2758            .child(
2759                Label::new(label.into())
2760                    .size(LabelSize::Small)
2761                    .color(Color::Muted),
2762            )
2763            .children(action_slot)
2764    }
2765
2766    fn render_thread_empty_state(
2767        &self,
2768        window: &mut Window,
2769        cx: &mut Context<Self>,
2770    ) -> impl IntoElement {
2771        let recent_history = self
2772            .history_store
2773            .update(cx, |this, cx| this.recent_entries(6, cx));
2774
2775        let model_registry = LanguageModelRegistry::read_global(cx);
2776
2777        let configuration_error =
2778            model_registry.configuration_error(model_registry.default_model(), cx);
2779
2780        let no_error = configuration_error.is_none();
2781        let focus_handle = self.focus_handle(cx);
2782
2783        v_flex()
2784            .size_full()
2785            .bg(cx.theme().colors().panel_background)
2786            .when(recent_history.is_empty(), |this| {
2787                this.child(
2788                    v_flex()
2789                        .size_full()
2790                        .mx_auto()
2791                        .justify_center()
2792                        .items_center()
2793                        .gap_1()
2794                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2795                        .when(no_error, |parent| {
2796                            parent
2797                                .child(h_flex().child(
2798                                    Label::new("Ask and build anything.").color(Color::Muted),
2799                                ))
2800                                .child(
2801                                    v_flex()
2802                                        .mt_2()
2803                                        .gap_1()
2804                                        .max_w_48()
2805                                        .child(
2806                                            Button::new("context", "Add Context")
2807                                                .label_size(LabelSize::Small)
2808                                                .icon(IconName::FileCode)
2809                                                .icon_position(IconPosition::Start)
2810                                                .icon_size(IconSize::Small)
2811                                                .icon_color(Color::Muted)
2812                                                .full_width()
2813                                                .key_binding(KeyBinding::for_action_in(
2814                                                    &ToggleContextPicker,
2815                                                    &focus_handle,
2816                                                    window,
2817                                                    cx,
2818                                                ))
2819                                                .on_click(|_event, window, cx| {
2820                                                    window.dispatch_action(
2821                                                        ToggleContextPicker.boxed_clone(),
2822                                                        cx,
2823                                                    )
2824                                                }),
2825                                        )
2826                                        .child(
2827                                            Button::new("mode", "Switch Model")
2828                                                .label_size(LabelSize::Small)
2829                                                .icon(IconName::DatabaseZap)
2830                                                .icon_position(IconPosition::Start)
2831                                                .icon_size(IconSize::Small)
2832                                                .icon_color(Color::Muted)
2833                                                .full_width()
2834                                                .key_binding(KeyBinding::for_action_in(
2835                                                    &ToggleModelSelector,
2836                                                    &focus_handle,
2837                                                    window,
2838                                                    cx,
2839                                                ))
2840                                                .on_click(|_event, window, cx| {
2841                                                    window.dispatch_action(
2842                                                        ToggleModelSelector.boxed_clone(),
2843                                                        cx,
2844                                                    )
2845                                                }),
2846                                        )
2847                                        .child(
2848                                            Button::new("settings", "View Settings")
2849                                                .label_size(LabelSize::Small)
2850                                                .icon(IconName::Settings)
2851                                                .icon_position(IconPosition::Start)
2852                                                .icon_size(IconSize::Small)
2853                                                .icon_color(Color::Muted)
2854                                                .full_width()
2855                                                .key_binding(KeyBinding::for_action_in(
2856                                                    &OpenSettings,
2857                                                    &focus_handle,
2858                                                    window,
2859                                                    cx,
2860                                                ))
2861                                                .on_click(|_event, window, cx| {
2862                                                    window.dispatch_action(
2863                                                        OpenSettings.boxed_clone(),
2864                                                        cx,
2865                                                    )
2866                                                }),
2867                                        ),
2868                                )
2869                        })
2870                        .when_some(configuration_error.as_ref(), |this, err| {
2871                            this.child(self.render_configuration_error(
2872                                err,
2873                                &focus_handle,
2874                                window,
2875                                cx,
2876                            ))
2877                        }),
2878                )
2879            })
2880            .when(!recent_history.is_empty(), |parent| {
2881                let focus_handle = focus_handle.clone();
2882                parent
2883                    .overflow_hidden()
2884                    .p_1p5()
2885                    .justify_end()
2886                    .gap_1()
2887                    .child(
2888                        self.render_empty_state_section_header(
2889                            "Recent",
2890                            Some(
2891                                Button::new("view-history", "View All")
2892                                    .style(ButtonStyle::Subtle)
2893                                    .label_size(LabelSize::Small)
2894                                    .key_binding(
2895                                        KeyBinding::for_action_in(
2896                                            &OpenHistory,
2897                                            &self.focus_handle(cx),
2898                                            window,
2899                                            cx,
2900                                        )
2901                                        .map(|kb| kb.size(rems_from_px(12.))),
2902                                    )
2903                                    .on_click(move |_event, window, cx| {
2904                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2905                                    })
2906                                    .into_any_element(),
2907                            ),
2908                            cx,
2909                        ),
2910                    )
2911                    .child(
2912                        v_flex()
2913                            .gap_1()
2914                            .children(recent_history.into_iter().enumerate().map(
2915                                |(index, entry)| {
2916                                    // TODO: Add keyboard navigation.
2917                                    let is_hovered =
2918                                        self.hovered_recent_history_item == Some(index);
2919                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2920                                        .hovered(is_hovered)
2921                                        .on_hover(cx.listener(
2922                                            move |this, is_hovered, _window, cx| {
2923                                                if *is_hovered {
2924                                                    this.hovered_recent_history_item = Some(index);
2925                                                } else if this.hovered_recent_history_item
2926                                                    == Some(index)
2927                                                {
2928                                                    this.hovered_recent_history_item = None;
2929                                                }
2930                                                cx.notify();
2931                                            },
2932                                        ))
2933                                        .into_any_element()
2934                                },
2935                            )),
2936                    )
2937                    .when_some(configuration_error.as_ref(), |this, err| {
2938                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
2939                    })
2940            })
2941    }
2942
2943    fn render_configuration_error(
2944        &self,
2945        configuration_error: &ConfigurationError,
2946        focus_handle: &FocusHandle,
2947        window: &mut Window,
2948        cx: &mut App,
2949    ) -> impl IntoElement {
2950        match configuration_error {
2951            ConfigurationError::ModelNotFound
2952            | ConfigurationError::ProviderNotAuthenticated(_)
2953            | ConfigurationError::NoProvider => Banner::new()
2954                .severity(ui::Severity::Warning)
2955                .child(Label::new(configuration_error.to_string()))
2956                .action_slot(
2957                    Button::new("settings", "Configure Provider")
2958                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2959                        .label_size(LabelSize::Small)
2960                        .key_binding(
2961                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
2962                                .map(|kb| kb.size(rems_from_px(12.))),
2963                        )
2964                        .on_click(|_event, window, cx| {
2965                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2966                        }),
2967                ),
2968            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
2969                Banner::new().severity(ui::Severity::Warning).child(
2970                    h_flex().w_full().children(
2971                        provider.render_accept_terms(
2972                            LanguageModelProviderTosView::ThreadEmptyState,
2973                            cx,
2974                        ),
2975                    ),
2976                )
2977            }
2978        }
2979    }
2980
2981    fn render_tool_use_limit_reached(
2982        &self,
2983        window: &mut Window,
2984        cx: &mut Context<Self>,
2985    ) -> Option<AnyElement> {
2986        let active_thread = match &self.active_view {
2987            ActiveView::Thread { thread, .. } => thread,
2988            ActiveView::ExternalAgentThread { .. } => {
2989                return None;
2990            }
2991            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2992                return None;
2993            }
2994        };
2995
2996        let thread = active_thread.read(cx).thread().read(cx);
2997
2998        let tool_use_limit_reached = thread.tool_use_limit_reached();
2999        if !tool_use_limit_reached {
3000            return None;
3001        }
3002
3003        let model = thread.configured_model()?.model;
3004
3005        let focus_handle = self.focus_handle(cx);
3006
3007        let banner = Banner::new()
3008            .severity(ui::Severity::Info)
3009            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
3010            .action_slot(
3011                h_flex()
3012                    .gap_1()
3013                    .child(
3014                        Button::new("continue-conversation", "Continue")
3015                            .layer(ElevationIndex::ModalSurface)
3016                            .label_size(LabelSize::Small)
3017                            .key_binding(
3018                                KeyBinding::for_action_in(
3019                                    &ContinueThread,
3020                                    &focus_handle,
3021                                    window,
3022                                    cx,
3023                                )
3024                                .map(|kb| kb.size(rems_from_px(10.))),
3025                            )
3026                            .on_click(cx.listener(|this, _, window, cx| {
3027                                this.continue_conversation(window, cx);
3028                            })),
3029                    )
3030                    .when(model.supports_burn_mode(), |this| {
3031                        this.child(
3032                            Button::new("continue-burn-mode", "Continue with Burn Mode")
3033                                .style(ButtonStyle::Filled)
3034                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3035                                .layer(ElevationIndex::ModalSurface)
3036                                .label_size(LabelSize::Small)
3037                                .key_binding(
3038                                    KeyBinding::for_action_in(
3039                                        &ContinueWithBurnMode,
3040                                        &focus_handle,
3041                                        window,
3042                                        cx,
3043                                    )
3044                                    .map(|kb| kb.size(rems_from_px(10.))),
3045                                )
3046                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
3047                                .on_click({
3048                                    let active_thread = active_thread.clone();
3049                                    cx.listener(move |this, _, window, cx| {
3050                                        active_thread.update(cx, |active_thread, cx| {
3051                                            active_thread.thread().update(cx, |thread, _cx| {
3052                                                thread.set_completion_mode(CompletionMode::Burn);
3053                                            });
3054                                        });
3055                                        this.continue_conversation(window, cx);
3056                                    })
3057                                }),
3058                        )
3059                    }),
3060            );
3061
3062        Some(div().px_2().pb_2().child(banner).into_any_element())
3063    }
3064
3065    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3066        let message = message.into();
3067
3068        IconButton::new("copy", IconName::Copy)
3069            .icon_size(IconSize::Small)
3070            .icon_color(Color::Muted)
3071            .tooltip(Tooltip::text("Copy Error Message"))
3072            .on_click(move |_, _, cx| {
3073                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3074            })
3075    }
3076
3077    fn dismiss_error_button(
3078        &self,
3079        thread: &Entity<ActiveThread>,
3080        cx: &mut Context<Self>,
3081    ) -> impl IntoElement {
3082        IconButton::new("dismiss", IconName::Close)
3083            .icon_size(IconSize::Small)
3084            .icon_color(Color::Muted)
3085            .tooltip(Tooltip::text("Dismiss Error"))
3086            .on_click(cx.listener({
3087                let thread = thread.clone();
3088                move |_, _, _, cx| {
3089                    thread.update(cx, |this, _cx| {
3090                        this.clear_last_error();
3091                    });
3092
3093                    cx.notify();
3094                }
3095            }))
3096    }
3097
3098    fn upgrade_button(
3099        &self,
3100        thread: &Entity<ActiveThread>,
3101        cx: &mut Context<Self>,
3102    ) -> impl IntoElement {
3103        Button::new("upgrade", "Upgrade")
3104            .label_size(LabelSize::Small)
3105            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3106            .on_click(cx.listener({
3107                let thread = thread.clone();
3108                move |_, _, _, cx| {
3109                    thread.update(cx, |this, _cx| {
3110                        this.clear_last_error();
3111                    });
3112
3113                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3114                    cx.notify();
3115                }
3116            }))
3117    }
3118
3119    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
3120        cx.theme().status().error.opacity(0.08)
3121    }
3122
3123    fn render_payment_required_error(
3124        &self,
3125        thread: &Entity<ActiveThread>,
3126        cx: &mut Context<Self>,
3127    ) -> AnyElement {
3128        const ERROR_MESSAGE: &str =
3129            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3130
3131        let icon = Icon::new(IconName::XCircle)
3132            .size(IconSize::Small)
3133            .color(Color::Error);
3134
3135        div()
3136            .border_t_1()
3137            .border_color(cx.theme().colors().border)
3138            .child(
3139                Callout::new()
3140                    .icon(icon)
3141                    .title("Free Usage Exceeded")
3142                    .description(ERROR_MESSAGE)
3143                    .tertiary_action(self.upgrade_button(thread, cx))
3144                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
3145                    .primary_action(self.dismiss_error_button(thread, cx))
3146                    .bg_color(self.error_callout_bg(cx)),
3147            )
3148            .into_any_element()
3149    }
3150
3151    fn render_model_request_limit_reached_error(
3152        &self,
3153        plan: Plan,
3154        thread: &Entity<ActiveThread>,
3155        cx: &mut Context<Self>,
3156    ) -> AnyElement {
3157        let error_message = match plan {
3158            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3159            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
3160        };
3161
3162        let icon = Icon::new(IconName::XCircle)
3163            .size(IconSize::Small)
3164            .color(Color::Error);
3165
3166        div()
3167            .border_t_1()
3168            .border_color(cx.theme().colors().border)
3169            .child(
3170                Callout::new()
3171                    .icon(icon)
3172                    .title("Model Prompt Limit Reached")
3173                    .description(error_message)
3174                    .tertiary_action(self.upgrade_button(thread, cx))
3175                    .secondary_action(self.create_copy_button(error_message))
3176                    .primary_action(self.dismiss_error_button(thread, cx))
3177                    .bg_color(self.error_callout_bg(cx)),
3178            )
3179            .into_any_element()
3180    }
3181
3182    fn render_error_message(
3183        &self,
3184        header: SharedString,
3185        message: SharedString,
3186        thread: &Entity<ActiveThread>,
3187        cx: &mut Context<Self>,
3188    ) -> AnyElement {
3189        let message_with_header = format!("{}\n{}", header, message);
3190
3191        let icon = Icon::new(IconName::XCircle)
3192            .size(IconSize::Small)
3193            .color(Color::Error);
3194
3195        let retry_button = Button::new("retry", "Retry")
3196            .icon(IconName::RotateCw)
3197            .icon_position(IconPosition::Start)
3198            .icon_size(IconSize::Small)
3199            .label_size(LabelSize::Small)
3200            .on_click({
3201                let thread = thread.clone();
3202                move |_, window, cx| {
3203                    thread.update(cx, |thread, cx| {
3204                        thread.clear_last_error();
3205                        thread.thread().update(cx, |thread, cx| {
3206                            thread.retry_last_completion(Some(window.window_handle()), cx);
3207                        });
3208                    });
3209                }
3210            });
3211
3212        div()
3213            .border_t_1()
3214            .border_color(cx.theme().colors().border)
3215            .child(
3216                Callout::new()
3217                    .icon(icon)
3218                    .title(header)
3219                    .description(message.clone())
3220                    .primary_action(retry_button)
3221                    .secondary_action(self.dismiss_error_button(thread, cx))
3222                    .tertiary_action(self.create_copy_button(message_with_header))
3223                    .bg_color(self.error_callout_bg(cx)),
3224            )
3225            .into_any_element()
3226    }
3227
3228    fn render_retryable_error(
3229        &self,
3230        message: SharedString,
3231        can_enable_burn_mode: bool,
3232        thread: &Entity<ActiveThread>,
3233        cx: &mut Context<Self>,
3234    ) -> AnyElement {
3235        let icon = Icon::new(IconName::XCircle)
3236            .size(IconSize::Small)
3237            .color(Color::Error);
3238
3239        let retry_button = Button::new("retry", "Retry")
3240            .icon(IconName::RotateCw)
3241            .icon_position(IconPosition::Start)
3242            .icon_size(IconSize::Small)
3243            .label_size(LabelSize::Small)
3244            .on_click({
3245                let thread = thread.clone();
3246                move |_, window, cx| {
3247                    thread.update(cx, |thread, cx| {
3248                        thread.clear_last_error();
3249                        thread.thread().update(cx, |thread, cx| {
3250                            thread.retry_last_completion(Some(window.window_handle()), cx);
3251                        });
3252                    });
3253                }
3254            });
3255
3256        let mut callout = Callout::new()
3257            .icon(icon)
3258            .title("Error")
3259            .description(message.clone())
3260            .bg_color(self.error_callout_bg(cx))
3261            .primary_action(retry_button);
3262
3263        if can_enable_burn_mode {
3264            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3265                .icon(IconName::ZedBurnMode)
3266                .icon_position(IconPosition::Start)
3267                .icon_size(IconSize::Small)
3268                .label_size(LabelSize::Small)
3269                .on_click({
3270                    let thread = thread.clone();
3271                    move |_, window, cx| {
3272                        thread.update(cx, |thread, cx| {
3273                            thread.clear_last_error();
3274                            thread.thread().update(cx, |thread, cx| {
3275                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
3276                            });
3277                        });
3278                    }
3279                });
3280            callout = callout.secondary_action(burn_mode_button);
3281        }
3282
3283        div()
3284            .border_t_1()
3285            .border_color(cx.theme().colors().border)
3286            .child(callout)
3287            .into_any_element()
3288    }
3289
3290    fn render_prompt_editor(
3291        &self,
3292        context_editor: &Entity<TextThreadEditor>,
3293        buffer_search_bar: &Entity<BufferSearchBar>,
3294        window: &mut Window,
3295        cx: &mut Context<Self>,
3296    ) -> Div {
3297        let mut registrar = buffer_search::DivRegistrar::new(
3298            |this, _, _cx| match &this.active_view {
3299                ActiveView::TextThread {
3300                    buffer_search_bar, ..
3301                } => Some(buffer_search_bar.clone()),
3302                _ => None,
3303            },
3304            cx,
3305        );
3306        BufferSearchBar::register(&mut registrar);
3307        registrar
3308            .into_div()
3309            .size_full()
3310            .relative()
3311            .map(|parent| {
3312                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3313                    if buffer_search_bar.is_dismissed() {
3314                        return parent;
3315                    }
3316                    parent.child(
3317                        div()
3318                            .p(DynamicSpacing::Base08.rems(cx))
3319                            .border_b_1()
3320                            .border_color(cx.theme().colors().border_variant)
3321                            .bg(cx.theme().colors().editor_background)
3322                            .child(buffer_search_bar.render(window, cx)),
3323                    )
3324                })
3325            })
3326            .child(context_editor.clone())
3327            .child(self.render_drag_target(cx))
3328    }
3329
3330    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3331        let is_local = self.project.read(cx).is_local();
3332        div()
3333            .invisible()
3334            .absolute()
3335            .top_0()
3336            .right_0()
3337            .bottom_0()
3338            .left_0()
3339            .bg(cx.theme().colors().drop_target_background)
3340            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3341            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3342            .when(is_local, |this| {
3343                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3344            })
3345            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3346                let item = tab.pane.read(cx).item_for_index(tab.ix);
3347                let project_paths = item
3348                    .and_then(|item| item.project_path(cx))
3349                    .into_iter()
3350                    .collect::<Vec<_>>();
3351                this.handle_drop(project_paths, vec![], window, cx);
3352            }))
3353            .on_drop(
3354                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3355                    let project_paths = selection
3356                        .items()
3357                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3358                        .collect::<Vec<_>>();
3359                    this.handle_drop(project_paths, vec![], window, cx);
3360                }),
3361            )
3362            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3363                let tasks = paths
3364                    .paths()
3365                    .into_iter()
3366                    .map(|path| {
3367                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
3368                    })
3369                    .collect::<Vec<_>>();
3370                cx.spawn_in(window, async move |this, cx| {
3371                    let mut paths = vec![];
3372                    let mut added_worktrees = vec![];
3373                    let opened_paths = futures::future::join_all(tasks).await;
3374                    for entry in opened_paths {
3375                        if let Some((worktree, project_path)) = entry.log_err() {
3376                            added_worktrees.push(worktree);
3377                            paths.push(project_path);
3378                        }
3379                    }
3380                    this.update_in(cx, |this, window, cx| {
3381                        this.handle_drop(paths, added_worktrees, window, cx);
3382                    })
3383                    .ok();
3384                })
3385                .detach();
3386            }))
3387    }
3388
3389    fn handle_drop(
3390        &mut self,
3391        paths: Vec<ProjectPath>,
3392        added_worktrees: Vec<Entity<Worktree>>,
3393        window: &mut Window,
3394        cx: &mut Context<Self>,
3395    ) {
3396        match &self.active_view {
3397            ActiveView::Thread { thread, .. } => {
3398                let context_store = thread.read(cx).context_store().clone();
3399                context_store.update(cx, move |context_store, cx| {
3400                    let mut tasks = Vec::new();
3401                    for project_path in &paths {
3402                        tasks.push(context_store.add_file_from_path(
3403                            project_path.clone(),
3404                            false,
3405                            cx,
3406                        ));
3407                    }
3408                    cx.background_spawn(async move {
3409                        futures::future::join_all(tasks).await;
3410                        // Need to hold onto the worktrees until they have already been used when
3411                        // opening the buffers.
3412                        drop(added_worktrees);
3413                    })
3414                    .detach();
3415                });
3416            }
3417            ActiveView::ExternalAgentThread { thread_view } => {
3418                thread_view.update(cx, |thread_view, cx| {
3419                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
3420                });
3421            }
3422            ActiveView::TextThread { context_editor, .. } => {
3423                context_editor.update(cx, |context_editor, cx| {
3424                    TextThreadEditor::insert_dragged_files(
3425                        context_editor,
3426                        paths,
3427                        added_worktrees,
3428                        window,
3429                        cx,
3430                    );
3431                });
3432            }
3433            ActiveView::History | ActiveView::Configuration => {}
3434        }
3435    }
3436
3437    fn key_context(&self) -> KeyContext {
3438        let mut key_context = KeyContext::new_with_defaults();
3439        key_context.add("AgentPanel");
3440        match &self.active_view {
3441            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3442            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3443            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3444        }
3445        key_context
3446    }
3447}
3448
3449impl Render for AgentPanel {
3450    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3451        // WARNING: Changes to this element hierarchy can have
3452        // non-obvious implications to the layout of children.
3453        //
3454        // If you need to change it, please confirm:
3455        // - The message editor expands (cmd-option-esc) correctly
3456        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3457        // - Font size works as expected and can be changed with cmd-+/cmd-
3458        // - Scrolling in all views works as expected
3459        // - Files can be dropped into the panel
3460        let content = v_flex()
3461            .relative()
3462            .size_full()
3463            .justify_between()
3464            .key_context(self.key_context())
3465            .on_action(cx.listener(Self::cancel))
3466            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3467                this.new_thread(action, window, cx);
3468            }))
3469            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3470                this.open_history(window, cx);
3471            }))
3472            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3473                this.open_configuration(window, cx);
3474            }))
3475            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3476            .on_action(cx.listener(Self::deploy_rules_library))
3477            .on_action(cx.listener(Self::open_agent_diff))
3478            .on_action(cx.listener(Self::go_back))
3479            .on_action(cx.listener(Self::toggle_navigation_menu))
3480            .on_action(cx.listener(Self::toggle_options_menu))
3481            .on_action(cx.listener(Self::increase_font_size))
3482            .on_action(cx.listener(Self::decrease_font_size))
3483            .on_action(cx.listener(Self::reset_font_size))
3484            .on_action(cx.listener(Self::toggle_zoom))
3485            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3486                this.continue_conversation(window, cx);
3487            }))
3488            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3489                match &this.active_view {
3490                    ActiveView::Thread { thread, .. } => {
3491                        thread.update(cx, |active_thread, cx| {
3492                            active_thread.thread().update(cx, |thread, _cx| {
3493                                thread.set_completion_mode(CompletionMode::Burn);
3494                            });
3495                        });
3496                        this.continue_conversation(window, cx);
3497                    }
3498                    ActiveView::ExternalAgentThread { .. } => {}
3499                    ActiveView::TextThread { .. }
3500                    | ActiveView::History
3501                    | ActiveView::Configuration => {}
3502                }
3503            }))
3504            .on_action(cx.listener(Self::toggle_burn_mode))
3505            .child(self.render_toolbar(window, cx))
3506            .children(self.render_onboarding(window, cx))
3507            .map(|parent| match &self.active_view {
3508                ActiveView::Thread {
3509                    thread,
3510                    message_editor,
3511                    ..
3512                } => parent
3513                    .child(
3514                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3515                            self.render_thread_empty_state(window, cx)
3516                                .into_any_element()
3517                        } else {
3518                            thread.clone().into_any_element()
3519                        },
3520                    )
3521                    .children(self.render_tool_use_limit_reached(window, cx))
3522                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3523                        this.child(
3524                            div()
3525                                .child(match last_error {
3526                                    ThreadError::PaymentRequired => {
3527                                        self.render_payment_required_error(thread, cx)
3528                                    }
3529                                    ThreadError::ModelRequestLimitReached { plan } => self
3530                                        .render_model_request_limit_reached_error(plan, thread, cx),
3531                                    ThreadError::Message { header, message } => {
3532                                        self.render_error_message(header, message, thread, cx)
3533                                    }
3534                                    ThreadError::RetryableError {
3535                                        message,
3536                                        can_enable_burn_mode,
3537                                    } => self.render_retryable_error(
3538                                        message,
3539                                        can_enable_burn_mode,
3540                                        thread,
3541                                        cx,
3542                                    ),
3543                                })
3544                                .into_any(),
3545                        )
3546                    })
3547                    .child(h_flex().relative().child(message_editor.clone()).when(
3548                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3549                        |this| this.child(self.render_backdrop(cx)),
3550                    ))
3551                    .child(self.render_drag_target(cx)),
3552                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3553                    .child(thread_view.clone())
3554                    .child(self.render_drag_target(cx)),
3555                ActiveView::History => {
3556                    if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
3557                        parent.child(self.acp_history.clone())
3558                    } else {
3559                        parent.child(self.history.clone())
3560                    }
3561                }
3562                ActiveView::TextThread {
3563                    context_editor,
3564                    buffer_search_bar,
3565                    ..
3566                } => {
3567                    let model_registry = LanguageModelRegistry::read_global(cx);
3568                    let configuration_error =
3569                        model_registry.configuration_error(model_registry.default_model(), cx);
3570                    parent
3571                        .map(|this| {
3572                            if !self.should_render_onboarding(cx)
3573                                && let Some(err) = configuration_error.as_ref()
3574                            {
3575                                this.child(
3576                                    div().bg(cx.theme().colors().editor_background).p_2().child(
3577                                        self.render_configuration_error(
3578                                            err,
3579                                            &self.focus_handle(cx),
3580                                            window,
3581                                            cx,
3582                                        ),
3583                                    ),
3584                                )
3585                            } else {
3586                                this
3587                            }
3588                        })
3589                        .child(self.render_prompt_editor(
3590                            context_editor,
3591                            buffer_search_bar,
3592                            window,
3593                            cx,
3594                        ))
3595                }
3596                ActiveView::Configuration => parent.children(self.configuration.clone()),
3597            })
3598            .children(self.render_trial_end_upsell(window, cx));
3599
3600        match self.active_view.which_font_size_used() {
3601            WhichFontSize::AgentFont => {
3602                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3603                    .size_full()
3604                    .child(content)
3605                    .into_any()
3606            }
3607            _ => content.into_any(),
3608        }
3609    }
3610}
3611
3612struct PromptLibraryInlineAssist {
3613    workspace: WeakEntity<Workspace>,
3614}
3615
3616impl PromptLibraryInlineAssist {
3617    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3618        Self { workspace }
3619    }
3620}
3621
3622impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3623    fn assist(
3624        &self,
3625        prompt_editor: &Entity<Editor>,
3626        initial_prompt: Option<String>,
3627        window: &mut Window,
3628        cx: &mut Context<RulesLibrary>,
3629    ) {
3630        InlineAssistant::update_global(cx, |assistant, cx| {
3631            let Some(project) = self
3632                .workspace
3633                .upgrade()
3634                .map(|workspace| workspace.read(cx).project().downgrade())
3635            else {
3636                return;
3637            };
3638            let prompt_store = None;
3639            let thread_store = None;
3640            let text_thread_store = None;
3641            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3642            assistant.assist(
3643                &prompt_editor,
3644                self.workspace.clone(),
3645                context_store,
3646                project,
3647                prompt_store,
3648                thread_store,
3649                text_thread_store,
3650                initial_prompt,
3651                window,
3652                cx,
3653            )
3654        })
3655    }
3656
3657    fn focus_agent_panel(
3658        &self,
3659        workspace: &mut Workspace,
3660        window: &mut Window,
3661        cx: &mut Context<Workspace>,
3662    ) -> bool {
3663        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3664    }
3665}
3666
3667pub struct ConcreteAssistantPanelDelegate;
3668
3669impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3670    fn active_context_editor(
3671        &self,
3672        workspace: &mut Workspace,
3673        _window: &mut Window,
3674        cx: &mut Context<Workspace>,
3675    ) -> Option<Entity<TextThreadEditor>> {
3676        let panel = workspace.panel::<AgentPanel>(cx)?;
3677        panel.read(cx).active_context_editor()
3678    }
3679
3680    fn open_saved_context(
3681        &self,
3682        workspace: &mut Workspace,
3683        path: Arc<Path>,
3684        window: &mut Window,
3685        cx: &mut Context<Workspace>,
3686    ) -> Task<Result<()>> {
3687        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3688            return Task::ready(Err(anyhow!("Agent panel not found")));
3689        };
3690
3691        panel.update(cx, |panel, cx| {
3692            panel.open_saved_prompt_editor(path, window, cx)
3693        })
3694    }
3695
3696    fn open_remote_context(
3697        &self,
3698        _workspace: &mut Workspace,
3699        _context_id: assistant_context::ContextId,
3700        _window: &mut Window,
3701        _cx: &mut Context<Workspace>,
3702    ) -> Task<Result<Entity<TextThreadEditor>>> {
3703        Task::ready(Err(anyhow!("opening remote context not implemented")))
3704    }
3705
3706    fn quote_selection(
3707        &self,
3708        workspace: &mut Workspace,
3709        selection_ranges: Vec<Range<Anchor>>,
3710        buffer: Entity<MultiBuffer>,
3711        window: &mut Window,
3712        cx: &mut Context<Workspace>,
3713    ) {
3714        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3715            return;
3716        };
3717
3718        if !panel.focus_handle(cx).contains_focused(window, cx) {
3719            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3720        }
3721
3722        panel.update(cx, |_, cx| {
3723            // Wait to create a new context until the workspace is no longer
3724            // being updated.
3725            cx.defer_in(window, move |panel, window, cx| {
3726                if let Some(message_editor) = panel.active_message_editor() {
3727                    message_editor.update(cx, |message_editor, cx| {
3728                        message_editor.context_store().update(cx, |store, cx| {
3729                            let buffer = buffer.read(cx);
3730                            let selection_ranges = selection_ranges
3731                                .into_iter()
3732                                .flat_map(|range| {
3733                                    let (start_buffer, start) =
3734                                        buffer.text_anchor_for_position(range.start, cx)?;
3735                                    let (end_buffer, end) =
3736                                        buffer.text_anchor_for_position(range.end, cx)?;
3737                                    if start_buffer != end_buffer {
3738                                        return None;
3739                                    }
3740                                    Some((start_buffer, start..end))
3741                                })
3742                                .collect::<Vec<_>>();
3743
3744                            for (buffer, range) in selection_ranges {
3745                                store.add_selection(buffer, range, cx);
3746                            }
3747                        })
3748                    })
3749                } else if let Some(context_editor) = panel.active_context_editor() {
3750                    let snapshot = buffer.read(cx).snapshot(cx);
3751                    let selection_ranges = selection_ranges
3752                        .into_iter()
3753                        .map(|range| range.to_point(&snapshot))
3754                        .collect::<Vec<_>>();
3755
3756                    context_editor.update(cx, |context_editor, cx| {
3757                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3758                    });
3759                }
3760            });
3761        });
3762    }
3763}
3764
3765struct OnboardingUpsell;
3766
3767impl Dismissable for OnboardingUpsell {
3768    const KEY: &'static str = "dismissed-trial-upsell";
3769}
3770
3771struct TrialEndUpsell;
3772
3773impl Dismissable for TrialEndUpsell {
3774    const KEY: &'static str = "dismissed-trial-end-upsell";
3775}