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 acp_history_store = this.acp_history.read(cx).history_store.clone();
1035                let thread_view = cx.new(|cx| {
1036                    crate::acp::AcpThreadView::new(
1037                        server,
1038                        workspace.clone(),
1039                        project,
1040                        acp_history_store,
1041                        thread_store.clone(),
1042                        text_thread_store.clone(),
1043                        restore_thread,
1044                        window,
1045                        cx,
1046                    )
1047                });
1048
1049                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
1050            })
1051        })
1052        .detach_and_log_err(cx);
1053    }
1054
1055    fn deploy_rules_library(
1056        &mut self,
1057        action: &OpenRulesLibrary,
1058        _window: &mut Window,
1059        cx: &mut Context<Self>,
1060    ) {
1061        open_rules_library(
1062            self.language_registry.clone(),
1063            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1064            Rc::new(|| {
1065                Rc::new(SlashCommandCompletionProvider::new(
1066                    Arc::new(SlashCommandWorkingSet::default()),
1067                    None,
1068                    None,
1069                ))
1070            }),
1071            action
1072                .prompt_to_select
1073                .map(|uuid| UserPromptId(uuid).into()),
1074            cx,
1075        )
1076        .detach_and_log_err(cx);
1077    }
1078
1079    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1080        if matches!(self.active_view, ActiveView::History) {
1081            if let Some(previous_view) = self.previous_view.take() {
1082                self.set_active_view(previous_view, window, cx);
1083            }
1084        } else {
1085            self.thread_store
1086                .update(cx, |thread_store, cx| thread_store.reload(cx))
1087                .detach_and_log_err(cx);
1088            self.set_active_view(ActiveView::History, window, cx);
1089        }
1090        cx.notify();
1091    }
1092
1093    pub(crate) fn open_saved_prompt_editor(
1094        &mut self,
1095        path: Arc<Path>,
1096        window: &mut Window,
1097        cx: &mut Context<Self>,
1098    ) -> Task<Result<()>> {
1099        let context = self
1100            .context_store
1101            .update(cx, |store, cx| store.open_local_context(path, cx));
1102        cx.spawn_in(window, async move |this, cx| {
1103            let context = context.await?;
1104            this.update_in(cx, |this, window, cx| {
1105                this.open_prompt_editor(context, window, cx);
1106            })
1107        })
1108    }
1109
1110    pub(crate) fn open_prompt_editor(
1111        &mut self,
1112        context: Entity<AssistantContext>,
1113        window: &mut Window,
1114        cx: &mut Context<Self>,
1115    ) {
1116        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1117            .log_err()
1118            .flatten();
1119        let editor = cx.new(|cx| {
1120            TextThreadEditor::for_context(
1121                context,
1122                self.fs.clone(),
1123                self.workspace.clone(),
1124                self.project.clone(),
1125                lsp_adapter_delegate,
1126                window,
1127                cx,
1128            )
1129        });
1130        self.set_active_view(
1131            ActiveView::prompt_editor(
1132                editor.clone(),
1133                self.history_store.clone(),
1134                self.language_registry.clone(),
1135                window,
1136                cx,
1137            ),
1138            window,
1139            cx,
1140        );
1141    }
1142
1143    pub(crate) fn open_thread_by_id(
1144        &mut self,
1145        thread_id: &ThreadId,
1146        window: &mut Window,
1147        cx: &mut Context<Self>,
1148    ) -> Task<Result<()>> {
1149        let open_thread_task = self
1150            .thread_store
1151            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1152        cx.spawn_in(window, async move |this, cx| {
1153            let thread = open_thread_task.await?;
1154            this.update_in(cx, |this, window, cx| {
1155                this.open_thread(thread, window, cx);
1156                anyhow::Ok(())
1157            })??;
1158            Ok(())
1159        })
1160    }
1161
1162    pub(crate) fn open_thread(
1163        &mut self,
1164        thread: Entity<Thread>,
1165        window: &mut Window,
1166        cx: &mut Context<Self>,
1167    ) {
1168        let context_store = cx.new(|_cx| {
1169            ContextStore::new(
1170                self.project.downgrade(),
1171                Some(self.thread_store.downgrade()),
1172            )
1173        });
1174
1175        let active_thread = cx.new(|cx| {
1176            ActiveThread::new(
1177                thread.clone(),
1178                self.thread_store.clone(),
1179                self.context_store.clone(),
1180                context_store.clone(),
1181                self.language_registry.clone(),
1182                self.workspace.clone(),
1183                window,
1184                cx,
1185            )
1186        });
1187
1188        let message_editor = cx.new(|cx| {
1189            MessageEditor::new(
1190                self.fs.clone(),
1191                self.workspace.clone(),
1192                context_store,
1193                self.prompt_store.clone(),
1194                self.thread_store.downgrade(),
1195                self.context_store.downgrade(),
1196                Some(self.history_store.downgrade()),
1197                thread.clone(),
1198                window,
1199                cx,
1200            )
1201        });
1202        message_editor.focus_handle(cx).focus(window);
1203
1204        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1205        self.set_active_view(thread_view, window, cx);
1206        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1207    }
1208
1209    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1210        match self.active_view {
1211            ActiveView::Configuration | ActiveView::History => {
1212                if let Some(previous_view) = self.previous_view.take() {
1213                    self.active_view = previous_view;
1214
1215                    match &self.active_view {
1216                        ActiveView::Thread { message_editor, .. } => {
1217                            message_editor.focus_handle(cx).focus(window);
1218                        }
1219                        ActiveView::ExternalAgentThread { thread_view } => {
1220                            thread_view.focus_handle(cx).focus(window);
1221                        }
1222                        ActiveView::TextThread { context_editor, .. } => {
1223                            context_editor.focus_handle(cx).focus(window);
1224                        }
1225                        ActiveView::History | ActiveView::Configuration => {}
1226                    }
1227                }
1228                cx.notify();
1229            }
1230            _ => {}
1231        }
1232    }
1233
1234    pub fn toggle_navigation_menu(
1235        &mut self,
1236        _: &ToggleNavigationMenu,
1237        window: &mut Window,
1238        cx: &mut Context<Self>,
1239    ) {
1240        self.assistant_navigation_menu_handle.toggle(window, cx);
1241    }
1242
1243    pub fn toggle_options_menu(
1244        &mut self,
1245        _: &ToggleOptionsMenu,
1246        window: &mut Window,
1247        cx: &mut Context<Self>,
1248    ) {
1249        self.agent_panel_menu_handle.toggle(window, cx);
1250    }
1251
1252    pub fn toggle_new_thread_menu(
1253        &mut self,
1254        _: &ToggleNewThreadMenu,
1255        window: &mut Window,
1256        cx: &mut Context<Self>,
1257    ) {
1258        self.new_thread_menu_handle.toggle(window, cx);
1259    }
1260
1261    pub fn increase_font_size(
1262        &mut self,
1263        action: &IncreaseBufferFontSize,
1264        _: &mut Window,
1265        cx: &mut Context<Self>,
1266    ) {
1267        self.handle_font_size_action(action.persist, px(1.0), cx);
1268    }
1269
1270    pub fn decrease_font_size(
1271        &mut self,
1272        action: &DecreaseBufferFontSize,
1273        _: &mut Window,
1274        cx: &mut Context<Self>,
1275    ) {
1276        self.handle_font_size_action(action.persist, px(-1.0), cx);
1277    }
1278
1279    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1280        match self.active_view.which_font_size_used() {
1281            WhichFontSize::AgentFont => {
1282                if persist {
1283                    update_settings_file::<ThemeSettings>(
1284                        self.fs.clone(),
1285                        cx,
1286                        move |settings, cx| {
1287                            let agent_font_size =
1288                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1289                            let _ = settings
1290                                .agent_font_size
1291                                .insert(Some(theme::clamp_font_size(agent_font_size).into()));
1292                        },
1293                    );
1294                } else {
1295                    theme::adjust_agent_font_size(cx, |size| size + delta);
1296                }
1297            }
1298            WhichFontSize::BufferFont => {
1299                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1300                // default handler that changes that font size.
1301                cx.propagate();
1302            }
1303            WhichFontSize::None => {}
1304        }
1305    }
1306
1307    pub fn reset_font_size(
1308        &mut self,
1309        action: &ResetBufferFontSize,
1310        _: &mut Window,
1311        cx: &mut Context<Self>,
1312    ) {
1313        if action.persist {
1314            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1315                settings.agent_font_size = None;
1316            });
1317        } else {
1318            theme::reset_agent_font_size(cx);
1319        }
1320    }
1321
1322    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1323        if self.zoomed {
1324            cx.emit(PanelEvent::ZoomOut);
1325        } else {
1326            if !self.focus_handle(cx).contains_focused(window, cx) {
1327                cx.focus_self(window);
1328            }
1329            cx.emit(PanelEvent::ZoomIn);
1330        }
1331    }
1332
1333    pub fn open_agent_diff(
1334        &mut self,
1335        _: &OpenAgentDiff,
1336        window: &mut Window,
1337        cx: &mut Context<Self>,
1338    ) {
1339        match &self.active_view {
1340            ActiveView::Thread { thread, .. } => {
1341                let thread = thread.read(cx).thread().clone();
1342                self.workspace
1343                    .update(cx, |workspace, cx| {
1344                        AgentDiffPane::deploy_in_workspace(
1345                            AgentDiffThread::Native(thread),
1346                            workspace,
1347                            window,
1348                            cx,
1349                        )
1350                    })
1351                    .log_err();
1352            }
1353            ActiveView::ExternalAgentThread { .. }
1354            | ActiveView::TextThread { .. }
1355            | ActiveView::History
1356            | ActiveView::Configuration => {}
1357        }
1358    }
1359
1360    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1361        let context_server_store = self.project.read(cx).context_server_store();
1362        let tools = self.thread_store.read(cx).tools();
1363        let fs = self.fs.clone();
1364
1365        self.set_active_view(ActiveView::Configuration, window, cx);
1366        self.configuration = Some(cx.new(|cx| {
1367            AgentConfiguration::new(
1368                fs,
1369                context_server_store,
1370                tools,
1371                self.language_registry.clone(),
1372                self.workspace.clone(),
1373                window,
1374                cx,
1375            )
1376        }));
1377
1378        if let Some(configuration) = self.configuration.as_ref() {
1379            self.configuration_subscription = Some(cx.subscribe_in(
1380                configuration,
1381                window,
1382                Self::handle_agent_configuration_event,
1383            ));
1384
1385            configuration.focus_handle(cx).focus(window);
1386        }
1387    }
1388
1389    pub(crate) fn open_active_thread_as_markdown(
1390        &mut self,
1391        _: &OpenActiveThreadAsMarkdown,
1392        window: &mut Window,
1393        cx: &mut Context<Self>,
1394    ) {
1395        let Some(workspace) = self.workspace.upgrade() else {
1396            return;
1397        };
1398
1399        match &self.active_view {
1400            ActiveView::Thread { thread, .. } => {
1401                active_thread::open_active_thread_as_markdown(
1402                    thread.read(cx).thread().clone(),
1403                    workspace,
1404                    window,
1405                    cx,
1406                )
1407                .detach_and_log_err(cx);
1408            }
1409            ActiveView::ExternalAgentThread { thread_view } => {
1410                thread_view
1411                    .update(cx, |thread_view, cx| {
1412                        thread_view.open_thread_as_markdown(workspace, window, cx)
1413                    })
1414                    .detach_and_log_err(cx);
1415            }
1416            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1417        }
1418    }
1419
1420    fn handle_agent_configuration_event(
1421        &mut self,
1422        _entity: &Entity<AgentConfiguration>,
1423        event: &AssistantConfigurationEvent,
1424        window: &mut Window,
1425        cx: &mut Context<Self>,
1426    ) {
1427        match event {
1428            AssistantConfigurationEvent::NewThread(provider) => {
1429                if LanguageModelRegistry::read_global(cx)
1430                    .default_model()
1431                    .map_or(true, |model| model.provider.id() != provider.id())
1432                {
1433                    if let Some(model) = provider.default_model(cx) {
1434                        update_settings_file::<AgentSettings>(
1435                            self.fs.clone(),
1436                            cx,
1437                            move |settings, _| settings.set_model(model),
1438                        );
1439                    }
1440                }
1441
1442                self.new_thread(&NewThread::default(), window, cx);
1443                if let Some((thread, model)) =
1444                    self.active_thread(cx).zip(provider.default_model(cx))
1445                {
1446                    thread.update(cx, |thread, cx| {
1447                        thread.set_configured_model(
1448                            Some(ConfiguredModel {
1449                                provider: provider.clone(),
1450                                model,
1451                            }),
1452                            cx,
1453                        );
1454                    });
1455                }
1456            }
1457        }
1458    }
1459
1460    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1461        match &self.active_view {
1462            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1463            _ => None,
1464        }
1465    }
1466
1467    pub(crate) fn delete_thread(
1468        &mut self,
1469        thread_id: &ThreadId,
1470        cx: &mut Context<Self>,
1471    ) -> Task<Result<()>> {
1472        self.thread_store
1473            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1474    }
1475
1476    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1477        let ActiveView::Thread { thread, .. } = &self.active_view else {
1478            return;
1479        };
1480
1481        let thread_state = thread.read(cx).thread().read(cx);
1482        if !thread_state.tool_use_limit_reached() {
1483            return;
1484        }
1485
1486        let model = thread_state.configured_model().map(|cm| cm.model.clone());
1487        if let Some(model) = model {
1488            thread.update(cx, |active_thread, cx| {
1489                active_thread.thread().update(cx, |thread, cx| {
1490                    thread.insert_invisible_continue_message(cx);
1491                    thread.advance_prompt_id();
1492                    thread.send_to_model(
1493                        model,
1494                        CompletionIntent::UserPrompt,
1495                        Some(window.window_handle()),
1496                        cx,
1497                    );
1498                });
1499            });
1500        } else {
1501            log::warn!("No configured model available for continuation");
1502        }
1503    }
1504
1505    fn toggle_burn_mode(
1506        &mut self,
1507        _: &ToggleBurnMode,
1508        _window: &mut Window,
1509        cx: &mut Context<Self>,
1510    ) {
1511        let ActiveView::Thread { thread, .. } = &self.active_view else {
1512            return;
1513        };
1514
1515        thread.update(cx, |active_thread, cx| {
1516            active_thread.thread().update(cx, |thread, _cx| {
1517                let current_mode = thread.completion_mode();
1518
1519                thread.set_completion_mode(match current_mode {
1520                    CompletionMode::Burn => CompletionMode::Normal,
1521                    CompletionMode::Normal => CompletionMode::Burn,
1522                });
1523            });
1524        });
1525    }
1526
1527    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1528        match &self.active_view {
1529            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1530            _ => None,
1531        }
1532    }
1533
1534    pub(crate) fn delete_context(
1535        &mut self,
1536        path: Arc<Path>,
1537        cx: &mut Context<Self>,
1538    ) -> Task<Result<()>> {
1539        self.context_store
1540            .update(cx, |this, cx| this.delete_local_context(path, cx))
1541    }
1542
1543    fn set_active_view(
1544        &mut self,
1545        new_view: ActiveView,
1546        window: &mut Window,
1547        cx: &mut Context<Self>,
1548    ) {
1549        let current_is_history = matches!(self.active_view, ActiveView::History);
1550        let new_is_history = matches!(new_view, ActiveView::History);
1551
1552        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1553        let new_is_config = matches!(new_view, ActiveView::Configuration);
1554
1555        let current_is_special = current_is_history || current_is_config;
1556        let new_is_special = new_is_history || new_is_config;
1557
1558        match &self.active_view {
1559            ActiveView::Thread { thread, .. } => {
1560                let thread = thread.read(cx);
1561                if thread.is_empty() {
1562                    let id = thread.thread().read(cx).id().clone();
1563                    self.history_store.update(cx, |store, cx| {
1564                        store.remove_recently_opened_thread(id, cx);
1565                    });
1566                }
1567            }
1568            _ => {}
1569        }
1570
1571        match &new_view {
1572            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1573                let id = thread.read(cx).thread().read(cx).id().clone();
1574                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1575            }),
1576            ActiveView::TextThread { context_editor, .. } => {
1577                self.history_store.update(cx, |store, cx| {
1578                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1579                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1580                    }
1581                })
1582            }
1583            ActiveView::ExternalAgentThread { .. } => {}
1584            ActiveView::History | ActiveView::Configuration => {}
1585        }
1586
1587        if current_is_special && !new_is_special {
1588            self.active_view = new_view;
1589        } else if !current_is_special && new_is_special {
1590            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1591        } else {
1592            if !new_is_special {
1593                self.previous_view = None;
1594            }
1595            self.active_view = new_view;
1596        }
1597
1598        self.focus_handle(cx).focus(window);
1599    }
1600
1601    fn populate_recently_opened_menu_section(
1602        mut menu: ContextMenu,
1603        panel: Entity<Self>,
1604        cx: &mut Context<ContextMenu>,
1605    ) -> ContextMenu {
1606        let entries = panel
1607            .read(cx)
1608            .history_store
1609            .read(cx)
1610            .recently_opened_entries(cx);
1611
1612        if entries.is_empty() {
1613            return menu;
1614        }
1615
1616        menu = menu.header("Recently Opened");
1617
1618        for entry in entries {
1619            let title = entry.title().clone();
1620            let id = entry.id();
1621
1622            menu = menu.entry_with_end_slot_on_hover(
1623                title,
1624                None,
1625                {
1626                    let panel = panel.downgrade();
1627                    let id = id.clone();
1628                    move |window, cx| {
1629                        let id = id.clone();
1630                        panel
1631                            .update(cx, move |this, cx| match id {
1632                                HistoryEntryId::Thread(id) => this
1633                                    .open_thread_by_id(&id, window, cx)
1634                                    .detach_and_log_err(cx),
1635                                HistoryEntryId::Context(path) => this
1636                                    .open_saved_prompt_editor(path.clone(), window, cx)
1637                                    .detach_and_log_err(cx),
1638                            })
1639                            .ok();
1640                    }
1641                },
1642                IconName::Close,
1643                "Close Entry".into(),
1644                {
1645                    let panel = panel.downgrade();
1646                    let id = id.clone();
1647                    move |_window, cx| {
1648                        panel
1649                            .update(cx, |this, cx| {
1650                                this.history_store.update(cx, |history_store, cx| {
1651                                    history_store.remove_recently_opened_entry(&id, cx);
1652                                });
1653                            })
1654                            .ok();
1655                    }
1656                },
1657            );
1658        }
1659
1660        menu = menu.separator();
1661
1662        menu
1663    }
1664
1665    pub fn set_selected_agent(
1666        &mut self,
1667        agent: AgentType,
1668        window: &mut Window,
1669        cx: &mut Context<Self>,
1670    ) {
1671        if self.selected_agent != agent {
1672            self.selected_agent = agent;
1673            self.serialize(cx);
1674            self.new_agent_thread(agent, window, cx);
1675        }
1676    }
1677
1678    pub fn selected_agent(&self) -> AgentType {
1679        self.selected_agent
1680    }
1681
1682    pub fn new_agent_thread(
1683        &mut self,
1684        agent: AgentType,
1685        window: &mut Window,
1686        cx: &mut Context<Self>,
1687    ) {
1688        match agent {
1689            AgentType::Zed => {
1690                window.dispatch_action(
1691                    NewThread {
1692                        from_thread_id: None,
1693                    }
1694                    .boxed_clone(),
1695                    cx,
1696                );
1697            }
1698            AgentType::TextThread => {
1699                window.dispatch_action(NewTextThread.boxed_clone(), cx);
1700            }
1701            AgentType::NativeAgent => {
1702                self.new_external_thread(Some(crate::ExternalAgent::NativeAgent), None, window, cx)
1703            }
1704            AgentType::Gemini => {
1705                self.new_external_thread(Some(crate::ExternalAgent::Gemini), None, window, cx)
1706            }
1707            AgentType::ClaudeCode => {
1708                self.new_external_thread(Some(crate::ExternalAgent::ClaudeCode), None, window, cx)
1709            }
1710        }
1711    }
1712}
1713
1714impl Focusable for AgentPanel {
1715    fn focus_handle(&self, cx: &App) -> FocusHandle {
1716        match &self.active_view {
1717            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1718            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1719            ActiveView::History => {
1720                if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
1721                    self.acp_history.focus_handle(cx)
1722                } else {
1723                    self.history.focus_handle(cx)
1724                }
1725            }
1726
1727            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1728            ActiveView::Configuration => {
1729                if let Some(configuration) = self.configuration.as_ref() {
1730                    configuration.focus_handle(cx)
1731                } else {
1732                    cx.focus_handle()
1733                }
1734            }
1735        }
1736    }
1737}
1738
1739fn agent_panel_dock_position(cx: &App) -> DockPosition {
1740    match AgentSettings::get_global(cx).dock {
1741        AgentDockPosition::Left => DockPosition::Left,
1742        AgentDockPosition::Bottom => DockPosition::Bottom,
1743        AgentDockPosition::Right => DockPosition::Right,
1744    }
1745}
1746
1747impl EventEmitter<PanelEvent> for AgentPanel {}
1748
1749impl Panel for AgentPanel {
1750    fn persistent_name() -> &'static str {
1751        "AgentPanel"
1752    }
1753
1754    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1755        agent_panel_dock_position(cx)
1756    }
1757
1758    fn position_is_valid(&self, position: DockPosition) -> bool {
1759        position != DockPosition::Bottom
1760    }
1761
1762    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1763        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1764            let dock = match position {
1765                DockPosition::Left => AgentDockPosition::Left,
1766                DockPosition::Bottom => AgentDockPosition::Bottom,
1767                DockPosition::Right => AgentDockPosition::Right,
1768            };
1769            settings.set_dock(dock);
1770        });
1771    }
1772
1773    fn size(&self, window: &Window, cx: &App) -> Pixels {
1774        let settings = AgentSettings::get_global(cx);
1775        match self.position(window, cx) {
1776            DockPosition::Left | DockPosition::Right => {
1777                self.width.unwrap_or(settings.default_width)
1778            }
1779            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1780        }
1781    }
1782
1783    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1784        match self.position(window, cx) {
1785            DockPosition::Left | DockPosition::Right => self.width = size,
1786            DockPosition::Bottom => self.height = size,
1787        }
1788        self.serialize(cx);
1789        cx.notify();
1790    }
1791
1792    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1793
1794    fn remote_id() -> Option<proto::PanelId> {
1795        Some(proto::PanelId::AssistantPanel)
1796    }
1797
1798    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1799        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1800    }
1801
1802    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1803        Some("Agent Panel")
1804    }
1805
1806    fn toggle_action(&self) -> Box<dyn Action> {
1807        Box::new(ToggleFocus)
1808    }
1809
1810    fn activation_priority(&self) -> u32 {
1811        3
1812    }
1813
1814    fn enabled(&self, cx: &App) -> bool {
1815        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
1816    }
1817
1818    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1819        self.zoomed
1820    }
1821
1822    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1823        self.zoomed = zoomed;
1824        cx.notify();
1825    }
1826}
1827
1828impl AgentPanel {
1829    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1830        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1831
1832        let content = match &self.active_view {
1833            ActiveView::Thread {
1834                thread: active_thread,
1835                change_title_editor,
1836                ..
1837            } => {
1838                let state = {
1839                    let active_thread = active_thread.read(cx);
1840                    if active_thread.is_empty() {
1841                        &ThreadSummary::Pending
1842                    } else {
1843                        active_thread.summary(cx)
1844                    }
1845                };
1846
1847                match state {
1848                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
1849                        .truncate()
1850                        .into_any_element(),
1851                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1852                        .truncate()
1853                        .into_any_element(),
1854                    ThreadSummary::Ready(_) => div()
1855                        .w_full()
1856                        .child(change_title_editor.clone())
1857                        .into_any_element(),
1858                    ThreadSummary::Error => h_flex()
1859                        .w_full()
1860                        .child(change_title_editor.clone())
1861                        .child(
1862                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
1863                                .icon_size(IconSize::Small)
1864                                .on_click({
1865                                    let active_thread = active_thread.clone();
1866                                    move |_, _window, cx| {
1867                                        active_thread.update(cx, |thread, cx| {
1868                                            thread.regenerate_summary(cx);
1869                                        });
1870                                    }
1871                                })
1872                                .tooltip(move |_window, cx| {
1873                                    cx.new(|_| {
1874                                        Tooltip::new("Failed to generate title")
1875                                            .meta("Click to try again")
1876                                    })
1877                                    .into()
1878                                }),
1879                        )
1880                        .into_any_element(),
1881                }
1882            }
1883            ActiveView::ExternalAgentThread { thread_view } => {
1884                Label::new(thread_view.read(cx).title(cx))
1885                    .truncate()
1886                    .into_any_element()
1887            }
1888            ActiveView::TextThread {
1889                title_editor,
1890                context_editor,
1891                ..
1892            } => {
1893                let summary = context_editor.read(cx).context().read(cx).summary();
1894
1895                match summary {
1896                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1897                        .truncate()
1898                        .into_any_element(),
1899                    ContextSummary::Content(summary) => {
1900                        if summary.done {
1901                            div()
1902                                .w_full()
1903                                .child(title_editor.clone())
1904                                .into_any_element()
1905                        } else {
1906                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1907                                .truncate()
1908                                .into_any_element()
1909                        }
1910                    }
1911                    ContextSummary::Error => h_flex()
1912                        .w_full()
1913                        .child(title_editor.clone())
1914                        .child(
1915                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
1916                                .icon_size(IconSize::Small)
1917                                .on_click({
1918                                    let context_editor = context_editor.clone();
1919                                    move |_, _window, cx| {
1920                                        context_editor.update(cx, |context_editor, cx| {
1921                                            context_editor.regenerate_summary(cx);
1922                                        });
1923                                    }
1924                                })
1925                                .tooltip(move |_window, cx| {
1926                                    cx.new(|_| {
1927                                        Tooltip::new("Failed to generate title")
1928                                            .meta("Click to try again")
1929                                    })
1930                                    .into()
1931                                }),
1932                        )
1933                        .into_any_element(),
1934                }
1935            }
1936            ActiveView::History => Label::new("History").truncate().into_any_element(),
1937            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1938        };
1939
1940        h_flex()
1941            .key_context("TitleEditor")
1942            .id("TitleEditor")
1943            .flex_grow()
1944            .w_full()
1945            .max_w_full()
1946            .overflow_x_scroll()
1947            .child(content)
1948            .into_any()
1949    }
1950
1951    fn render_panel_options_menu(
1952        &self,
1953        window: &mut Window,
1954        cx: &mut Context<Self>,
1955    ) -> impl IntoElement {
1956        let user_store = self.user_store.read(cx);
1957        let usage = user_store.model_request_usage();
1958        let account_url = zed_urls::account_url(cx);
1959
1960        let focus_handle = self.focus_handle(cx);
1961
1962        let full_screen_label = if self.is_zoomed(window, cx) {
1963            "Disable Full Screen"
1964        } else {
1965            "Enable Full Screen"
1966        };
1967
1968        PopoverMenu::new("agent-options-menu")
1969            .trigger_with_tooltip(
1970                IconButton::new("agent-options-menu", IconName::Ellipsis)
1971                    .icon_size(IconSize::Small),
1972                {
1973                    let focus_handle = focus_handle.clone();
1974                    move |window, cx| {
1975                        Tooltip::for_action_in(
1976                            "Toggle Agent Menu",
1977                            &ToggleOptionsMenu,
1978                            &focus_handle,
1979                            window,
1980                            cx,
1981                        )
1982                    }
1983                },
1984            )
1985            .anchor(Corner::TopRight)
1986            .with_handle(self.agent_panel_menu_handle.clone())
1987            .menu({
1988                let focus_handle = focus_handle.clone();
1989                move |window, cx| {
1990                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
1991                        menu = menu.context(focus_handle.clone());
1992                        if let Some(usage) = usage {
1993                            menu = menu
1994                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
1995                                .custom_entry(
1996                                    move |_window, cx| {
1997                                        let used_percentage = match usage.limit {
1998                                            UsageLimit::Limited(limit) => {
1999                                                Some((usage.amount as f32 / limit as f32) * 100.)
2000                                            }
2001                                            UsageLimit::Unlimited => None,
2002                                        };
2003
2004                                        h_flex()
2005                                            .flex_1()
2006                                            .gap_1p5()
2007                                            .children(used_percentage.map(|percent| {
2008                                                ProgressBar::new("usage", percent, 100., cx)
2009                                            }))
2010                                            .child(
2011                                                Label::new(match usage.limit {
2012                                                    UsageLimit::Limited(limit) => {
2013                                                        format!("{} / {limit}", usage.amount)
2014                                                    }
2015                                                    UsageLimit::Unlimited => {
2016                                                        format!("{} / ∞", usage.amount)
2017                                                    }
2018                                                })
2019                                                .size(LabelSize::Small)
2020                                                .color(Color::Muted),
2021                                            )
2022                                            .into_any_element()
2023                                    },
2024                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
2025                                )
2026                                .separator()
2027                        }
2028
2029                        menu = menu
2030                            .header("MCP Servers")
2031                            .action(
2032                                "View Server Extensions",
2033                                Box::new(zed_actions::Extensions {
2034                                    category_filter: Some(
2035                                        zed_actions::ExtensionCategoryFilter::ContextServers,
2036                                    ),
2037                                    id: None,
2038                                }),
2039                            )
2040                            .action("Add Custom Server…", Box::new(AddContextServer))
2041                            .separator();
2042
2043                        menu = menu
2044                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
2045                            .action("Settings", Box::new(OpenSettings))
2046                            .separator()
2047                            .action(full_screen_label, Box::new(ToggleZoom));
2048                        menu
2049                    }))
2050                }
2051            })
2052    }
2053
2054    fn render_recent_entries_menu(&self, cx: &mut Context<Self>) -> impl IntoElement {
2055        let focus_handle = self.focus_handle(cx);
2056
2057        PopoverMenu::new("agent-nav-menu")
2058            .trigger_with_tooltip(
2059                IconButton::new("agent-nav-menu", IconName::MenuAlt).icon_size(IconSize::Small),
2060                {
2061                    let focus_handle = focus_handle.clone();
2062                    move |window, cx| {
2063                        Tooltip::for_action_in(
2064                            "Toggle Recent Threads",
2065                            &ToggleNavigationMenu,
2066                            &focus_handle,
2067                            window,
2068                            cx,
2069                        )
2070                    }
2071                },
2072            )
2073            .anchor(Corner::TopLeft)
2074            .with_handle(self.assistant_navigation_menu_handle.clone())
2075            .menu({
2076                let menu = self.assistant_navigation_menu.clone();
2077                move |window, cx| {
2078                    if let Some(menu) = menu.as_ref() {
2079                        menu.update(cx, |_, cx| {
2080                            cx.defer_in(window, |menu, window, cx| {
2081                                menu.rebuild(window, cx);
2082                            });
2083                        })
2084                    }
2085                    menu.clone()
2086                }
2087            })
2088    }
2089
2090    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
2091        let focus_handle = self.focus_handle(cx);
2092
2093        IconButton::new("go-back", IconName::ArrowLeft)
2094            .icon_size(IconSize::Small)
2095            .on_click(cx.listener(|this, _, window, cx| {
2096                this.go_back(&workspace::GoBack, window, cx);
2097            }))
2098            .tooltip({
2099                let focus_handle = focus_handle.clone();
2100
2101                move |window, cx| {
2102                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
2103                }
2104            })
2105    }
2106
2107    fn render_toolbar_old(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2108        let focus_handle = self.focus_handle(cx);
2109
2110        let active_thread = match &self.active_view {
2111            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2112            ActiveView::ExternalAgentThread { .. }
2113            | ActiveView::TextThread { .. }
2114            | ActiveView::History
2115            | ActiveView::Configuration => None,
2116        };
2117
2118        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2119            .trigger_with_tooltip(
2120                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2121                Tooltip::text("New Thread…"),
2122            )
2123            .anchor(Corner::TopRight)
2124            .with_handle(self.new_thread_menu_handle.clone())
2125            .menu({
2126                let focus_handle = focus_handle.clone();
2127                move |window, cx| {
2128                    let active_thread = active_thread.clone();
2129                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2130                        menu = menu
2131                            .context(focus_handle.clone())
2132                            .when_some(active_thread, |this, active_thread| {
2133                                let thread = active_thread.read(cx);
2134
2135                                if !thread.is_empty() {
2136                                    let thread_id = thread.id().clone();
2137                                    this.item(
2138                                        ContextMenuEntry::new("New From Summary")
2139                                            .icon(IconName::ThreadFromSummary)
2140                                            .icon_color(Color::Muted)
2141                                            .handler(move |window, cx| {
2142                                                window.dispatch_action(
2143                                                    Box::new(NewThread {
2144                                                        from_thread_id: Some(thread_id.clone()),
2145                                                    }),
2146                                                    cx,
2147                                                );
2148                                            }),
2149                                    )
2150                                } else {
2151                                    this
2152                                }
2153                            })
2154                            .item(
2155                                ContextMenuEntry::new("New Thread")
2156                                    .icon(IconName::Thread)
2157                                    .icon_color(Color::Muted)
2158                                    .action(NewThread::default().boxed_clone())
2159                                    .handler(move |window, cx| {
2160                                        window.dispatch_action(
2161                                            NewThread::default().boxed_clone(),
2162                                            cx,
2163                                        );
2164                                    }),
2165                            )
2166                            .item(
2167                                ContextMenuEntry::new("New Text Thread")
2168                                    .icon(IconName::TextThread)
2169                                    .icon_color(Color::Muted)
2170                                    .action(NewTextThread.boxed_clone())
2171                                    .handler(move |window, cx| {
2172                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
2173                                    }),
2174                            );
2175                        menu
2176                    }))
2177                }
2178            });
2179
2180        h_flex()
2181            .id("assistant-toolbar")
2182            .h(Tab::container_height(cx))
2183            .max_w_full()
2184            .flex_none()
2185            .justify_between()
2186            .gap_2()
2187            .bg(cx.theme().colors().tab_bar_background)
2188            .border_b_1()
2189            .border_color(cx.theme().colors().border)
2190            .child(
2191                h_flex()
2192                    .size_full()
2193                    .pl_1()
2194                    .gap_1()
2195                    .child(match &self.active_view {
2196                        ActiveView::History | ActiveView::Configuration => div()
2197                            .pl(DynamicSpacing::Base04.rems(cx))
2198                            .child(self.render_toolbar_back_button(cx))
2199                            .into_any_element(),
2200                        _ => self.render_recent_entries_menu(cx).into_any_element(),
2201                    })
2202                    .child(self.render_title_view(window, cx)),
2203            )
2204            .child(
2205                h_flex()
2206                    .h_full()
2207                    .gap_2()
2208                    .children(self.render_token_count(cx))
2209                    .child(
2210                        h_flex()
2211                            .h_full()
2212                            .gap(DynamicSpacing::Base02.rems(cx))
2213                            .px(DynamicSpacing::Base08.rems(cx))
2214                            .border_l_1()
2215                            .border_color(cx.theme().colors().border)
2216                            .child(new_thread_menu)
2217                            .child(self.render_panel_options_menu(window, cx)),
2218                    ),
2219            )
2220    }
2221
2222    fn render_toolbar_new(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2223        let focus_handle = self.focus_handle(cx);
2224
2225        let active_thread = match &self.active_view {
2226            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2227            ActiveView::ExternalAgentThread { .. }
2228            | ActiveView::TextThread { .. }
2229            | ActiveView::History
2230            | ActiveView::Configuration => None,
2231        };
2232
2233        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2234            .trigger_with_tooltip(
2235                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2236                {
2237                    let focus_handle = focus_handle.clone();
2238                    move |window, cx| {
2239                        Tooltip::for_action_in(
2240                            "New…",
2241                            &ToggleNewThreadMenu,
2242                            &focus_handle,
2243                            window,
2244                            cx,
2245                        )
2246                    }
2247                },
2248            )
2249            .anchor(Corner::TopLeft)
2250            .with_handle(self.new_thread_menu_handle.clone())
2251            .menu({
2252                let focus_handle = focus_handle.clone();
2253                let workspace = self.workspace.clone();
2254
2255                move |window, cx| {
2256                    let active_thread = active_thread.clone();
2257                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2258                        menu = menu
2259                            .context(focus_handle.clone())
2260                            .header("Zed Agent")
2261                            .when_some(active_thread, |this, active_thread| {
2262                                let thread = active_thread.read(cx);
2263
2264                                if !thread.is_empty() {
2265                                    let thread_id = thread.id().clone();
2266                                    this.item(
2267                                        ContextMenuEntry::new("New From Summary")
2268                                            .icon(IconName::ThreadFromSummary)
2269                                            .icon_color(Color::Muted)
2270                                            .handler(move |window, cx| {
2271                                                window.dispatch_action(
2272                                                    Box::new(NewThread {
2273                                                        from_thread_id: Some(thread_id.clone()),
2274                                                    }),
2275                                                    cx,
2276                                                );
2277                                            }),
2278                                    )
2279                                } else {
2280                                    this
2281                                }
2282                            })
2283                            .item(
2284                                ContextMenuEntry::new("New Thread")
2285                                    .icon(IconName::Thread)
2286                                    .icon_color(Color::Muted)
2287                                    .action(NewThread::default().boxed_clone())
2288                                    .handler({
2289                                        let workspace = workspace.clone();
2290                                        move |window, cx| {
2291                                            if let Some(workspace) = workspace.upgrade() {
2292                                                workspace.update(cx, |workspace, cx| {
2293                                                    if let Some(panel) =
2294                                                        workspace.panel::<AgentPanel>(cx)
2295                                                    {
2296                                                        panel.update(cx, |panel, cx| {
2297                                                            panel.set_selected_agent(
2298                                                                AgentType::Zed,
2299                                                                window,
2300                                                                cx,
2301                                                            );
2302                                                        });
2303                                                    }
2304                                                });
2305                                            }
2306                                        }
2307                                    }),
2308                            )
2309                            .item(
2310                                ContextMenuEntry::new("New Text Thread")
2311                                    .icon(IconName::TextThread)
2312                                    .icon_color(Color::Muted)
2313                                    .action(NewTextThread.boxed_clone())
2314                                    .handler({
2315                                        let workspace = workspace.clone();
2316                                        move |window, cx| {
2317                                            if let Some(workspace) = workspace.upgrade() {
2318                                                workspace.update(cx, |workspace, cx| {
2319                                                    if let Some(panel) =
2320                                                        workspace.panel::<AgentPanel>(cx)
2321                                                    {
2322                                                        panel.update(cx, |panel, cx| {
2323                                                            panel.set_selected_agent(
2324                                                                AgentType::TextThread,
2325                                                                window,
2326                                                                cx,
2327                                                            );
2328                                                        });
2329                                                    }
2330                                                });
2331                                            }
2332                                        }
2333                                    }),
2334                            )
2335                            .item(
2336                                ContextMenuEntry::new("New Native Agent Thread")
2337                                    .icon(IconName::ZedAssistant)
2338                                    .icon_color(Color::Muted)
2339                                    .handler({
2340                                        let workspace = workspace.clone();
2341                                        move |window, cx| {
2342                                            if let Some(workspace) = workspace.upgrade() {
2343                                                workspace.update(cx, |workspace, cx| {
2344                                                    if let Some(panel) =
2345                                                        workspace.panel::<AgentPanel>(cx)
2346                                                    {
2347                                                        panel.update(cx, |panel, cx| {
2348                                                            panel.set_selected_agent(
2349                                                                AgentType::NativeAgent,
2350                                                                window,
2351                                                                cx,
2352                                                            );
2353                                                        });
2354                                                    }
2355                                                });
2356                                            }
2357                                        }
2358                                    }),
2359                            )
2360                            .separator()
2361                            .header("External Agents")
2362                            .item(
2363                                ContextMenuEntry::new("New Gemini Thread")
2364                                    .icon(IconName::AiGemini)
2365                                    .icon_color(Color::Muted)
2366                                    .handler({
2367                                        let workspace = workspace.clone();
2368                                        move |window, cx| {
2369                                            if let Some(workspace) = workspace.upgrade() {
2370                                                workspace.update(cx, |workspace, cx| {
2371                                                    if let Some(panel) =
2372                                                        workspace.panel::<AgentPanel>(cx)
2373                                                    {
2374                                                        panel.update(cx, |panel, cx| {
2375                                                            panel.set_selected_agent(
2376                                                                AgentType::Gemini,
2377                                                                window,
2378                                                                cx,
2379                                                            );
2380                                                        });
2381                                                    }
2382                                                });
2383                                            }
2384                                        }
2385                                    }),
2386                            )
2387                            .item(
2388                                ContextMenuEntry::new("New Claude Code Thread")
2389                                    .icon(IconName::AiClaude)
2390                                    .icon_color(Color::Muted)
2391                                    .handler({
2392                                        let workspace = workspace.clone();
2393                                        move |window, cx| {
2394                                            if let Some(workspace) = workspace.upgrade() {
2395                                                workspace.update(cx, |workspace, cx| {
2396                                                    if let Some(panel) =
2397                                                        workspace.panel::<AgentPanel>(cx)
2398                                                    {
2399                                                        panel.update(cx, |panel, cx| {
2400                                                            panel.set_selected_agent(
2401                                                                AgentType::ClaudeCode,
2402                                                                window,
2403                                                                cx,
2404                                                            );
2405                                                        });
2406                                                    }
2407                                                });
2408                                            }
2409                                        }
2410                                    }),
2411                            );
2412                        menu
2413                    }))
2414                }
2415            });
2416
2417        let selected_agent_label = self.selected_agent.label().into();
2418        let selected_agent = div()
2419            .id("selected_agent_icon")
2420            .px(DynamicSpacing::Base02.rems(cx))
2421            .child(Icon::new(self.selected_agent.icon()).color(Color::Muted))
2422            .tooltip(move |window, cx| {
2423                Tooltip::with_meta(
2424                    selected_agent_label.clone(),
2425                    None,
2426                    "Selected Agent",
2427                    window,
2428                    cx,
2429                )
2430            })
2431            .into_any_element();
2432
2433        h_flex()
2434            .id("agent-panel-toolbar")
2435            .h(Tab::container_height(cx))
2436            .max_w_full()
2437            .flex_none()
2438            .justify_between()
2439            .gap_2()
2440            .bg(cx.theme().colors().tab_bar_background)
2441            .border_b_1()
2442            .border_color(cx.theme().colors().border)
2443            .child(
2444                h_flex()
2445                    .size_full()
2446                    .gap(DynamicSpacing::Base04.rems(cx))
2447                    .pl(DynamicSpacing::Base04.rems(cx))
2448                    .child(match &self.active_view {
2449                        ActiveView::History | ActiveView::Configuration => {
2450                            self.render_toolbar_back_button(cx).into_any_element()
2451                        }
2452                        _ => h_flex()
2453                            .gap_1()
2454                            .child(self.render_recent_entries_menu(cx))
2455                            .child(Divider::vertical())
2456                            .child(selected_agent)
2457                            .into_any_element(),
2458                    })
2459                    .child(self.render_title_view(window, cx)),
2460            )
2461            .child(
2462                h_flex()
2463                    .h_full()
2464                    .gap_2()
2465                    .children(self.render_token_count(cx))
2466                    .child(
2467                        h_flex()
2468                            .h_full()
2469                            .gap(DynamicSpacing::Base02.rems(cx))
2470                            .pl(DynamicSpacing::Base04.rems(cx))
2471                            .pr(DynamicSpacing::Base06.rems(cx))
2472                            .border_l_1()
2473                            .border_color(cx.theme().colors().border)
2474                            .child(new_thread_menu)
2475                            .child(self.render_panel_options_menu(window, cx)),
2476                    ),
2477            )
2478    }
2479
2480    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2481        if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
2482            self.render_toolbar_new(window, cx).into_any_element()
2483        } else {
2484            self.render_toolbar_old(window, cx).into_any_element()
2485        }
2486    }
2487
2488    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2489        match &self.active_view {
2490            ActiveView::Thread {
2491                thread,
2492                message_editor,
2493                ..
2494            } => {
2495                let active_thread = thread.read(cx);
2496                let message_editor = message_editor.read(cx);
2497
2498                let editor_empty = message_editor.is_editor_fully_empty(cx);
2499
2500                if active_thread.is_empty() && editor_empty {
2501                    return None;
2502                }
2503
2504                let thread = active_thread.thread().read(cx);
2505                let is_generating = thread.is_generating();
2506                let conversation_token_usage = thread.total_token_usage()?;
2507
2508                let (total_token_usage, is_estimating) =
2509                    if let Some((editing_message_id, unsent_tokens)) =
2510                        active_thread.editing_message_id()
2511                    {
2512                        let combined = thread
2513                            .token_usage_up_to_message(editing_message_id)
2514                            .add(unsent_tokens);
2515
2516                        (combined, unsent_tokens > 0)
2517                    } else {
2518                        let unsent_tokens =
2519                            message_editor.last_estimated_token_count().unwrap_or(0);
2520                        let combined = conversation_token_usage.add(unsent_tokens);
2521
2522                        (combined, unsent_tokens > 0)
2523                    };
2524
2525                let is_waiting_to_update_token_count =
2526                    message_editor.is_waiting_to_update_token_count();
2527
2528                if total_token_usage.total == 0 {
2529                    return None;
2530                }
2531
2532                let token_color = match total_token_usage.ratio() {
2533                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2534                    TokenUsageRatio::Normal => Color::Muted,
2535                    TokenUsageRatio::Warning => Color::Warning,
2536                    TokenUsageRatio::Exceeded => Color::Error,
2537                };
2538
2539                let token_count = h_flex()
2540                    .id("token-count")
2541                    .flex_shrink_0()
2542                    .gap_0p5()
2543                    .when(!is_generating && is_estimating, |parent| {
2544                        parent
2545                            .child(
2546                                h_flex()
2547                                    .mr_1()
2548                                    .size_2p5()
2549                                    .justify_center()
2550                                    .rounded_full()
2551                                    .bg(cx.theme().colors().text.opacity(0.1))
2552                                    .child(
2553                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2554                                    ),
2555                            )
2556                            .tooltip(move |window, cx| {
2557                                Tooltip::with_meta(
2558                                    "Estimated New Token Count",
2559                                    None,
2560                                    format!(
2561                                        "Current Conversation Tokens: {}",
2562                                        humanize_token_count(conversation_token_usage.total)
2563                                    ),
2564                                    window,
2565                                    cx,
2566                                )
2567                            })
2568                    })
2569                    .child(
2570                        Label::new(humanize_token_count(total_token_usage.total))
2571                            .size(LabelSize::Small)
2572                            .color(token_color)
2573                            .map(|label| {
2574                                if is_generating || is_waiting_to_update_token_count {
2575                                    label
2576                                        .with_animation(
2577                                            "used-tokens-label",
2578                                            Animation::new(Duration::from_secs(2))
2579                                                .repeat()
2580                                                .with_easing(pulsating_between(0.6, 1.)),
2581                                            |label, delta| label.alpha(delta),
2582                                        )
2583                                        .into_any()
2584                                } else {
2585                                    label.into_any_element()
2586                                }
2587                            }),
2588                    )
2589                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2590                    .child(
2591                        Label::new(humanize_token_count(total_token_usage.max))
2592                            .size(LabelSize::Small)
2593                            .color(Color::Muted),
2594                    )
2595                    .into_any();
2596
2597                Some(token_count)
2598            }
2599            ActiveView::TextThread { context_editor, .. } => {
2600                let element = render_remaining_tokens(context_editor, cx)?;
2601
2602                Some(element.into_any_element())
2603            }
2604            ActiveView::ExternalAgentThread { .. }
2605            | ActiveView::History
2606            | ActiveView::Configuration => {
2607                return None;
2608            }
2609        }
2610    }
2611
2612    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2613        if TrialEndUpsell::dismissed() {
2614            return false;
2615        }
2616
2617        match &self.active_view {
2618            ActiveView::Thread { thread, .. } => {
2619                if thread
2620                    .read(cx)
2621                    .thread()
2622                    .read(cx)
2623                    .configured_model()
2624                    .map_or(false, |model| {
2625                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2626                    })
2627                {
2628                    return false;
2629                }
2630            }
2631            ActiveView::TextThread { .. } => {
2632                if LanguageModelRegistry::global(cx)
2633                    .read(cx)
2634                    .default_model()
2635                    .map_or(false, |model| {
2636                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2637                    })
2638                {
2639                    return false;
2640                }
2641            }
2642            ActiveView::ExternalAgentThread { .. }
2643            | ActiveView::History
2644            | ActiveView::Configuration => return false,
2645        }
2646
2647        let plan = self.user_store.read(cx).plan();
2648        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2649
2650        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
2651    }
2652
2653    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2654        if OnboardingUpsell::dismissed() {
2655            return false;
2656        }
2657
2658        match &self.active_view {
2659            ActiveView::History | ActiveView::Configuration => false,
2660            ActiveView::ExternalAgentThread { thread_view, .. }
2661                if thread_view.read(cx).as_native_thread(cx).is_none() =>
2662            {
2663                false
2664            }
2665            _ => {
2666                let history_is_empty = self
2667                    .history_store
2668                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2669
2670                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2671                    .providers()
2672                    .iter()
2673                    .any(|provider| {
2674                        provider.is_authenticated(cx)
2675                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2676                    });
2677
2678                history_is_empty || !has_configured_non_zed_providers
2679            }
2680        }
2681    }
2682
2683    fn render_onboarding(
2684        &self,
2685        _window: &mut Window,
2686        cx: &mut Context<Self>,
2687    ) -> Option<impl IntoElement> {
2688        if !self.should_render_onboarding(cx) {
2689            return None;
2690        }
2691
2692        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
2693        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2694
2695        Some(
2696            div()
2697                .when(thread_view, |this| {
2698                    this.size_full().bg(cx.theme().colors().panel_background)
2699                })
2700                .when(text_thread_view, |this| {
2701                    this.bg(cx.theme().colors().editor_background)
2702                })
2703                .child(self.onboarding.clone()),
2704        )
2705    }
2706
2707    fn render_backdrop(&self, cx: &mut Context<Self>) -> impl IntoElement {
2708        div()
2709            .size_full()
2710            .absolute()
2711            .inset_0()
2712            .bg(cx.theme().colors().panel_background)
2713            .opacity(0.8)
2714            .block_mouse_except_scroll()
2715    }
2716
2717    fn render_trial_end_upsell(
2718        &self,
2719        _window: &mut Window,
2720        cx: &mut Context<Self>,
2721    ) -> Option<impl IntoElement> {
2722        if !self.should_render_trial_end_upsell(cx) {
2723            return None;
2724        }
2725
2726        Some(
2727            v_flex()
2728                .absolute()
2729                .inset_0()
2730                .size_full()
2731                .bg(cx.theme().colors().panel_background)
2732                .opacity(0.85)
2733                .block_mouse_except_scroll()
2734                .child(EndTrialUpsell::new(Arc::new({
2735                    let this = cx.entity();
2736                    move |_, cx| {
2737                        this.update(cx, |_this, cx| {
2738                            TrialEndUpsell::set_dismissed(true, cx);
2739                            cx.notify();
2740                        });
2741                    }
2742                }))),
2743        )
2744    }
2745
2746    fn render_empty_state_section_header(
2747        &self,
2748        label: impl Into<SharedString>,
2749        action_slot: Option<AnyElement>,
2750        cx: &mut Context<Self>,
2751    ) -> impl IntoElement {
2752        h_flex()
2753            .mt_2()
2754            .pl_1p5()
2755            .pb_1()
2756            .w_full()
2757            .justify_between()
2758            .border_b_1()
2759            .border_color(cx.theme().colors().border_variant)
2760            .child(
2761                Label::new(label.into())
2762                    .size(LabelSize::Small)
2763                    .color(Color::Muted),
2764            )
2765            .children(action_slot)
2766    }
2767
2768    fn render_thread_empty_state(
2769        &self,
2770        window: &mut Window,
2771        cx: &mut Context<Self>,
2772    ) -> impl IntoElement {
2773        let recent_history = self
2774            .history_store
2775            .update(cx, |this, cx| this.recent_entries(6, cx));
2776
2777        let model_registry = LanguageModelRegistry::read_global(cx);
2778
2779        let configuration_error =
2780            model_registry.configuration_error(model_registry.default_model(), cx);
2781
2782        let no_error = configuration_error.is_none();
2783        let focus_handle = self.focus_handle(cx);
2784
2785        v_flex()
2786            .size_full()
2787            .bg(cx.theme().colors().panel_background)
2788            .when(recent_history.is_empty(), |this| {
2789                this.child(
2790                    v_flex()
2791                        .size_full()
2792                        .mx_auto()
2793                        .justify_center()
2794                        .items_center()
2795                        .gap_1()
2796                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2797                        .when(no_error, |parent| {
2798                            parent
2799                                .child(h_flex().child(
2800                                    Label::new("Ask and build anything.").color(Color::Muted),
2801                                ))
2802                                .child(
2803                                    v_flex()
2804                                        .mt_2()
2805                                        .gap_1()
2806                                        .max_w_48()
2807                                        .child(
2808                                            Button::new("context", "Add Context")
2809                                                .label_size(LabelSize::Small)
2810                                                .icon(IconName::FileCode)
2811                                                .icon_position(IconPosition::Start)
2812                                                .icon_size(IconSize::Small)
2813                                                .icon_color(Color::Muted)
2814                                                .full_width()
2815                                                .key_binding(KeyBinding::for_action_in(
2816                                                    &ToggleContextPicker,
2817                                                    &focus_handle,
2818                                                    window,
2819                                                    cx,
2820                                                ))
2821                                                .on_click(|_event, window, cx| {
2822                                                    window.dispatch_action(
2823                                                        ToggleContextPicker.boxed_clone(),
2824                                                        cx,
2825                                                    )
2826                                                }),
2827                                        )
2828                                        .child(
2829                                            Button::new("mode", "Switch Model")
2830                                                .label_size(LabelSize::Small)
2831                                                .icon(IconName::DatabaseZap)
2832                                                .icon_position(IconPosition::Start)
2833                                                .icon_size(IconSize::Small)
2834                                                .icon_color(Color::Muted)
2835                                                .full_width()
2836                                                .key_binding(KeyBinding::for_action_in(
2837                                                    &ToggleModelSelector,
2838                                                    &focus_handle,
2839                                                    window,
2840                                                    cx,
2841                                                ))
2842                                                .on_click(|_event, window, cx| {
2843                                                    window.dispatch_action(
2844                                                        ToggleModelSelector.boxed_clone(),
2845                                                        cx,
2846                                                    )
2847                                                }),
2848                                        )
2849                                        .child(
2850                                            Button::new("settings", "View Settings")
2851                                                .label_size(LabelSize::Small)
2852                                                .icon(IconName::Settings)
2853                                                .icon_position(IconPosition::Start)
2854                                                .icon_size(IconSize::Small)
2855                                                .icon_color(Color::Muted)
2856                                                .full_width()
2857                                                .key_binding(KeyBinding::for_action_in(
2858                                                    &OpenSettings,
2859                                                    &focus_handle,
2860                                                    window,
2861                                                    cx,
2862                                                ))
2863                                                .on_click(|_event, window, cx| {
2864                                                    window.dispatch_action(
2865                                                        OpenSettings.boxed_clone(),
2866                                                        cx,
2867                                                    )
2868                                                }),
2869                                        ),
2870                                )
2871                        })
2872                        .when_some(configuration_error.as_ref(), |this, err| {
2873                            this.child(self.render_configuration_error(
2874                                err,
2875                                &focus_handle,
2876                                window,
2877                                cx,
2878                            ))
2879                        }),
2880                )
2881            })
2882            .when(!recent_history.is_empty(), |parent| {
2883                let focus_handle = focus_handle.clone();
2884                parent
2885                    .overflow_hidden()
2886                    .p_1p5()
2887                    .justify_end()
2888                    .gap_1()
2889                    .child(
2890                        self.render_empty_state_section_header(
2891                            "Recent",
2892                            Some(
2893                                Button::new("view-history", "View All")
2894                                    .style(ButtonStyle::Subtle)
2895                                    .label_size(LabelSize::Small)
2896                                    .key_binding(
2897                                        KeyBinding::for_action_in(
2898                                            &OpenHistory,
2899                                            &self.focus_handle(cx),
2900                                            window,
2901                                            cx,
2902                                        )
2903                                        .map(|kb| kb.size(rems_from_px(12.))),
2904                                    )
2905                                    .on_click(move |_event, window, cx| {
2906                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2907                                    })
2908                                    .into_any_element(),
2909                            ),
2910                            cx,
2911                        ),
2912                    )
2913                    .child(
2914                        v_flex()
2915                            .gap_1()
2916                            .children(recent_history.into_iter().enumerate().map(
2917                                |(index, entry)| {
2918                                    // TODO: Add keyboard navigation.
2919                                    let is_hovered =
2920                                        self.hovered_recent_history_item == Some(index);
2921                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2922                                        .hovered(is_hovered)
2923                                        .on_hover(cx.listener(
2924                                            move |this, is_hovered, _window, cx| {
2925                                                if *is_hovered {
2926                                                    this.hovered_recent_history_item = Some(index);
2927                                                } else if this.hovered_recent_history_item
2928                                                    == Some(index)
2929                                                {
2930                                                    this.hovered_recent_history_item = None;
2931                                                }
2932                                                cx.notify();
2933                                            },
2934                                        ))
2935                                        .into_any_element()
2936                                },
2937                            )),
2938                    )
2939                    .when_some(configuration_error.as_ref(), |this, err| {
2940                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
2941                    })
2942            })
2943    }
2944
2945    fn render_configuration_error(
2946        &self,
2947        configuration_error: &ConfigurationError,
2948        focus_handle: &FocusHandle,
2949        window: &mut Window,
2950        cx: &mut App,
2951    ) -> impl IntoElement {
2952        match configuration_error {
2953            ConfigurationError::ModelNotFound
2954            | ConfigurationError::ProviderNotAuthenticated(_)
2955            | ConfigurationError::NoProvider => Banner::new()
2956                .severity(ui::Severity::Warning)
2957                .child(Label::new(configuration_error.to_string()))
2958                .action_slot(
2959                    Button::new("settings", "Configure Provider")
2960                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2961                        .label_size(LabelSize::Small)
2962                        .key_binding(
2963                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
2964                                .map(|kb| kb.size(rems_from_px(12.))),
2965                        )
2966                        .on_click(|_event, window, cx| {
2967                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2968                        }),
2969                ),
2970            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
2971                Banner::new().severity(ui::Severity::Warning).child(
2972                    h_flex().w_full().children(
2973                        provider.render_accept_terms(
2974                            LanguageModelProviderTosView::ThreadEmptyState,
2975                            cx,
2976                        ),
2977                    ),
2978                )
2979            }
2980        }
2981    }
2982
2983    fn render_tool_use_limit_reached(
2984        &self,
2985        window: &mut Window,
2986        cx: &mut Context<Self>,
2987    ) -> Option<AnyElement> {
2988        let active_thread = match &self.active_view {
2989            ActiveView::Thread { thread, .. } => thread,
2990            ActiveView::ExternalAgentThread { .. } => {
2991                return None;
2992            }
2993            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2994                return None;
2995            }
2996        };
2997
2998        let thread = active_thread.read(cx).thread().read(cx);
2999
3000        let tool_use_limit_reached = thread.tool_use_limit_reached();
3001        if !tool_use_limit_reached {
3002            return None;
3003        }
3004
3005        let model = thread.configured_model()?.model;
3006
3007        let focus_handle = self.focus_handle(cx);
3008
3009        let banner = Banner::new()
3010            .severity(ui::Severity::Info)
3011            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
3012            .action_slot(
3013                h_flex()
3014                    .gap_1()
3015                    .child(
3016                        Button::new("continue-conversation", "Continue")
3017                            .layer(ElevationIndex::ModalSurface)
3018                            .label_size(LabelSize::Small)
3019                            .key_binding(
3020                                KeyBinding::for_action_in(
3021                                    &ContinueThread,
3022                                    &focus_handle,
3023                                    window,
3024                                    cx,
3025                                )
3026                                .map(|kb| kb.size(rems_from_px(10.))),
3027                            )
3028                            .on_click(cx.listener(|this, _, window, cx| {
3029                                this.continue_conversation(window, cx);
3030                            })),
3031                    )
3032                    .when(model.supports_burn_mode(), |this| {
3033                        this.child(
3034                            Button::new("continue-burn-mode", "Continue with Burn Mode")
3035                                .style(ButtonStyle::Filled)
3036                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3037                                .layer(ElevationIndex::ModalSurface)
3038                                .label_size(LabelSize::Small)
3039                                .key_binding(
3040                                    KeyBinding::for_action_in(
3041                                        &ContinueWithBurnMode,
3042                                        &focus_handle,
3043                                        window,
3044                                        cx,
3045                                    )
3046                                    .map(|kb| kb.size(rems_from_px(10.))),
3047                                )
3048                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
3049                                .on_click({
3050                                    let active_thread = active_thread.clone();
3051                                    cx.listener(move |this, _, window, cx| {
3052                                        active_thread.update(cx, |active_thread, cx| {
3053                                            active_thread.thread().update(cx, |thread, _cx| {
3054                                                thread.set_completion_mode(CompletionMode::Burn);
3055                                            });
3056                                        });
3057                                        this.continue_conversation(window, cx);
3058                                    })
3059                                }),
3060                        )
3061                    }),
3062            );
3063
3064        Some(div().px_2().pb_2().child(banner).into_any_element())
3065    }
3066
3067    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3068        let message = message.into();
3069
3070        IconButton::new("copy", IconName::Copy)
3071            .icon_size(IconSize::Small)
3072            .icon_color(Color::Muted)
3073            .tooltip(Tooltip::text("Copy Error Message"))
3074            .on_click(move |_, _, cx| {
3075                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3076            })
3077    }
3078
3079    fn dismiss_error_button(
3080        &self,
3081        thread: &Entity<ActiveThread>,
3082        cx: &mut Context<Self>,
3083    ) -> impl IntoElement {
3084        IconButton::new("dismiss", IconName::Close)
3085            .icon_size(IconSize::Small)
3086            .icon_color(Color::Muted)
3087            .tooltip(Tooltip::text("Dismiss Error"))
3088            .on_click(cx.listener({
3089                let thread = thread.clone();
3090                move |_, _, _, cx| {
3091                    thread.update(cx, |this, _cx| {
3092                        this.clear_last_error();
3093                    });
3094
3095                    cx.notify();
3096                }
3097            }))
3098    }
3099
3100    fn upgrade_button(
3101        &self,
3102        thread: &Entity<ActiveThread>,
3103        cx: &mut Context<Self>,
3104    ) -> impl IntoElement {
3105        Button::new("upgrade", "Upgrade")
3106            .label_size(LabelSize::Small)
3107            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3108            .on_click(cx.listener({
3109                let thread = thread.clone();
3110                move |_, _, _, cx| {
3111                    thread.update(cx, |this, _cx| {
3112                        this.clear_last_error();
3113                    });
3114
3115                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3116                    cx.notify();
3117                }
3118            }))
3119    }
3120
3121    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
3122        cx.theme().status().error.opacity(0.08)
3123    }
3124
3125    fn render_payment_required_error(
3126        &self,
3127        thread: &Entity<ActiveThread>,
3128        cx: &mut Context<Self>,
3129    ) -> AnyElement {
3130        const ERROR_MESSAGE: &str =
3131            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3132
3133        let icon = Icon::new(IconName::XCircle)
3134            .size(IconSize::Small)
3135            .color(Color::Error);
3136
3137        div()
3138            .border_t_1()
3139            .border_color(cx.theme().colors().border)
3140            .child(
3141                Callout::new()
3142                    .icon(icon)
3143                    .title("Free Usage Exceeded")
3144                    .description(ERROR_MESSAGE)
3145                    .tertiary_action(self.upgrade_button(thread, cx))
3146                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
3147                    .primary_action(self.dismiss_error_button(thread, cx))
3148                    .bg_color(self.error_callout_bg(cx)),
3149            )
3150            .into_any_element()
3151    }
3152
3153    fn render_model_request_limit_reached_error(
3154        &self,
3155        plan: Plan,
3156        thread: &Entity<ActiveThread>,
3157        cx: &mut Context<Self>,
3158    ) -> AnyElement {
3159        let error_message = match plan {
3160            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3161            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
3162        };
3163
3164        let icon = Icon::new(IconName::XCircle)
3165            .size(IconSize::Small)
3166            .color(Color::Error);
3167
3168        div()
3169            .border_t_1()
3170            .border_color(cx.theme().colors().border)
3171            .child(
3172                Callout::new()
3173                    .icon(icon)
3174                    .title("Model Prompt Limit Reached")
3175                    .description(error_message)
3176                    .tertiary_action(self.upgrade_button(thread, cx))
3177                    .secondary_action(self.create_copy_button(error_message))
3178                    .primary_action(self.dismiss_error_button(thread, cx))
3179                    .bg_color(self.error_callout_bg(cx)),
3180            )
3181            .into_any_element()
3182    }
3183
3184    fn render_error_message(
3185        &self,
3186        header: SharedString,
3187        message: SharedString,
3188        thread: &Entity<ActiveThread>,
3189        cx: &mut Context<Self>,
3190    ) -> AnyElement {
3191        let message_with_header = format!("{}\n{}", header, message);
3192
3193        let icon = Icon::new(IconName::XCircle)
3194            .size(IconSize::Small)
3195            .color(Color::Error);
3196
3197        let retry_button = Button::new("retry", "Retry")
3198            .icon(IconName::RotateCw)
3199            .icon_position(IconPosition::Start)
3200            .icon_size(IconSize::Small)
3201            .label_size(LabelSize::Small)
3202            .on_click({
3203                let thread = thread.clone();
3204                move |_, window, cx| {
3205                    thread.update(cx, |thread, cx| {
3206                        thread.clear_last_error();
3207                        thread.thread().update(cx, |thread, cx| {
3208                            thread.retry_last_completion(Some(window.window_handle()), cx);
3209                        });
3210                    });
3211                }
3212            });
3213
3214        div()
3215            .border_t_1()
3216            .border_color(cx.theme().colors().border)
3217            .child(
3218                Callout::new()
3219                    .icon(icon)
3220                    .title(header)
3221                    .description(message.clone())
3222                    .primary_action(retry_button)
3223                    .secondary_action(self.dismiss_error_button(thread, cx))
3224                    .tertiary_action(self.create_copy_button(message_with_header))
3225                    .bg_color(self.error_callout_bg(cx)),
3226            )
3227            .into_any_element()
3228    }
3229
3230    fn render_retryable_error(
3231        &self,
3232        message: SharedString,
3233        can_enable_burn_mode: bool,
3234        thread: &Entity<ActiveThread>,
3235        cx: &mut Context<Self>,
3236    ) -> AnyElement {
3237        let icon = Icon::new(IconName::XCircle)
3238            .size(IconSize::Small)
3239            .color(Color::Error);
3240
3241        let retry_button = Button::new("retry", "Retry")
3242            .icon(IconName::RotateCw)
3243            .icon_position(IconPosition::Start)
3244            .icon_size(IconSize::Small)
3245            .label_size(LabelSize::Small)
3246            .on_click({
3247                let thread = thread.clone();
3248                move |_, window, cx| {
3249                    thread.update(cx, |thread, cx| {
3250                        thread.clear_last_error();
3251                        thread.thread().update(cx, |thread, cx| {
3252                            thread.retry_last_completion(Some(window.window_handle()), cx);
3253                        });
3254                    });
3255                }
3256            });
3257
3258        let mut callout = Callout::new()
3259            .icon(icon)
3260            .title("Error")
3261            .description(message.clone())
3262            .bg_color(self.error_callout_bg(cx))
3263            .primary_action(retry_button);
3264
3265        if can_enable_burn_mode {
3266            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3267                .icon(IconName::ZedBurnMode)
3268                .icon_position(IconPosition::Start)
3269                .icon_size(IconSize::Small)
3270                .label_size(LabelSize::Small)
3271                .on_click({
3272                    let thread = thread.clone();
3273                    move |_, window, cx| {
3274                        thread.update(cx, |thread, cx| {
3275                            thread.clear_last_error();
3276                            thread.thread().update(cx, |thread, cx| {
3277                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
3278                            });
3279                        });
3280                    }
3281                });
3282            callout = callout.secondary_action(burn_mode_button);
3283        }
3284
3285        div()
3286            .border_t_1()
3287            .border_color(cx.theme().colors().border)
3288            .child(callout)
3289            .into_any_element()
3290    }
3291
3292    fn render_prompt_editor(
3293        &self,
3294        context_editor: &Entity<TextThreadEditor>,
3295        buffer_search_bar: &Entity<BufferSearchBar>,
3296        window: &mut Window,
3297        cx: &mut Context<Self>,
3298    ) -> Div {
3299        let mut registrar = buffer_search::DivRegistrar::new(
3300            |this, _, _cx| match &this.active_view {
3301                ActiveView::TextThread {
3302                    buffer_search_bar, ..
3303                } => Some(buffer_search_bar.clone()),
3304                _ => None,
3305            },
3306            cx,
3307        );
3308        BufferSearchBar::register(&mut registrar);
3309        registrar
3310            .into_div()
3311            .size_full()
3312            .relative()
3313            .map(|parent| {
3314                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3315                    if buffer_search_bar.is_dismissed() {
3316                        return parent;
3317                    }
3318                    parent.child(
3319                        div()
3320                            .p(DynamicSpacing::Base08.rems(cx))
3321                            .border_b_1()
3322                            .border_color(cx.theme().colors().border_variant)
3323                            .bg(cx.theme().colors().editor_background)
3324                            .child(buffer_search_bar.render(window, cx)),
3325                    )
3326                })
3327            })
3328            .child(context_editor.clone())
3329            .child(self.render_drag_target(cx))
3330    }
3331
3332    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3333        let is_local = self.project.read(cx).is_local();
3334        div()
3335            .invisible()
3336            .absolute()
3337            .top_0()
3338            .right_0()
3339            .bottom_0()
3340            .left_0()
3341            .bg(cx.theme().colors().drop_target_background)
3342            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3343            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3344            .when(is_local, |this| {
3345                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3346            })
3347            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3348                let item = tab.pane.read(cx).item_for_index(tab.ix);
3349                let project_paths = item
3350                    .and_then(|item| item.project_path(cx))
3351                    .into_iter()
3352                    .collect::<Vec<_>>();
3353                this.handle_drop(project_paths, vec![], window, cx);
3354            }))
3355            .on_drop(
3356                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3357                    let project_paths = selection
3358                        .items()
3359                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3360                        .collect::<Vec<_>>();
3361                    this.handle_drop(project_paths, vec![], window, cx);
3362                }),
3363            )
3364            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3365                let tasks = paths
3366                    .paths()
3367                    .into_iter()
3368                    .map(|path| {
3369                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
3370                    })
3371                    .collect::<Vec<_>>();
3372                cx.spawn_in(window, async move |this, cx| {
3373                    let mut paths = vec![];
3374                    let mut added_worktrees = vec![];
3375                    let opened_paths = futures::future::join_all(tasks).await;
3376                    for entry in opened_paths {
3377                        if let Some((worktree, project_path)) = entry.log_err() {
3378                            added_worktrees.push(worktree);
3379                            paths.push(project_path);
3380                        }
3381                    }
3382                    this.update_in(cx, |this, window, cx| {
3383                        this.handle_drop(paths, added_worktrees, window, cx);
3384                    })
3385                    .ok();
3386                })
3387                .detach();
3388            }))
3389    }
3390
3391    fn handle_drop(
3392        &mut self,
3393        paths: Vec<ProjectPath>,
3394        added_worktrees: Vec<Entity<Worktree>>,
3395        window: &mut Window,
3396        cx: &mut Context<Self>,
3397    ) {
3398        match &self.active_view {
3399            ActiveView::Thread { thread, .. } => {
3400                let context_store = thread.read(cx).context_store().clone();
3401                context_store.update(cx, move |context_store, cx| {
3402                    let mut tasks = Vec::new();
3403                    for project_path in &paths {
3404                        tasks.push(context_store.add_file_from_path(
3405                            project_path.clone(),
3406                            false,
3407                            cx,
3408                        ));
3409                    }
3410                    cx.background_spawn(async move {
3411                        futures::future::join_all(tasks).await;
3412                        // Need to hold onto the worktrees until they have already been used when
3413                        // opening the buffers.
3414                        drop(added_worktrees);
3415                    })
3416                    .detach();
3417                });
3418            }
3419            ActiveView::ExternalAgentThread { thread_view } => {
3420                thread_view.update(cx, |thread_view, cx| {
3421                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
3422                });
3423            }
3424            ActiveView::TextThread { context_editor, .. } => {
3425                context_editor.update(cx, |context_editor, cx| {
3426                    TextThreadEditor::insert_dragged_files(
3427                        context_editor,
3428                        paths,
3429                        added_worktrees,
3430                        window,
3431                        cx,
3432                    );
3433                });
3434            }
3435            ActiveView::History | ActiveView::Configuration => {}
3436        }
3437    }
3438
3439    fn key_context(&self) -> KeyContext {
3440        let mut key_context = KeyContext::new_with_defaults();
3441        key_context.add("AgentPanel");
3442        match &self.active_view {
3443            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3444            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3445            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3446        }
3447        key_context
3448    }
3449}
3450
3451impl Render for AgentPanel {
3452    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3453        // WARNING: Changes to this element hierarchy can have
3454        // non-obvious implications to the layout of children.
3455        //
3456        // If you need to change it, please confirm:
3457        // - The message editor expands (cmd-option-esc) correctly
3458        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3459        // - Font size works as expected and can be changed with cmd-+/cmd-
3460        // - Scrolling in all views works as expected
3461        // - Files can be dropped into the panel
3462        let content = v_flex()
3463            .relative()
3464            .size_full()
3465            .justify_between()
3466            .key_context(self.key_context())
3467            .on_action(cx.listener(Self::cancel))
3468            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3469                this.new_thread(action, window, cx);
3470            }))
3471            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3472                this.open_history(window, cx);
3473            }))
3474            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3475                this.open_configuration(window, cx);
3476            }))
3477            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3478            .on_action(cx.listener(Self::deploy_rules_library))
3479            .on_action(cx.listener(Self::open_agent_diff))
3480            .on_action(cx.listener(Self::go_back))
3481            .on_action(cx.listener(Self::toggle_navigation_menu))
3482            .on_action(cx.listener(Self::toggle_options_menu))
3483            .on_action(cx.listener(Self::increase_font_size))
3484            .on_action(cx.listener(Self::decrease_font_size))
3485            .on_action(cx.listener(Self::reset_font_size))
3486            .on_action(cx.listener(Self::toggle_zoom))
3487            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3488                this.continue_conversation(window, cx);
3489            }))
3490            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3491                match &this.active_view {
3492                    ActiveView::Thread { thread, .. } => {
3493                        thread.update(cx, |active_thread, cx| {
3494                            active_thread.thread().update(cx, |thread, _cx| {
3495                                thread.set_completion_mode(CompletionMode::Burn);
3496                            });
3497                        });
3498                        this.continue_conversation(window, cx);
3499                    }
3500                    ActiveView::ExternalAgentThread { .. } => {}
3501                    ActiveView::TextThread { .. }
3502                    | ActiveView::History
3503                    | ActiveView::Configuration => {}
3504                }
3505            }))
3506            .on_action(cx.listener(Self::toggle_burn_mode))
3507            .child(self.render_toolbar(window, cx))
3508            .children(self.render_onboarding(window, cx))
3509            .map(|parent| match &self.active_view {
3510                ActiveView::Thread {
3511                    thread,
3512                    message_editor,
3513                    ..
3514                } => parent
3515                    .child(
3516                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3517                            self.render_thread_empty_state(window, cx)
3518                                .into_any_element()
3519                        } else {
3520                            thread.clone().into_any_element()
3521                        },
3522                    )
3523                    .children(self.render_tool_use_limit_reached(window, cx))
3524                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3525                        this.child(
3526                            div()
3527                                .child(match last_error {
3528                                    ThreadError::PaymentRequired => {
3529                                        self.render_payment_required_error(thread, cx)
3530                                    }
3531                                    ThreadError::ModelRequestLimitReached { plan } => self
3532                                        .render_model_request_limit_reached_error(plan, thread, cx),
3533                                    ThreadError::Message { header, message } => {
3534                                        self.render_error_message(header, message, thread, cx)
3535                                    }
3536                                    ThreadError::RetryableError {
3537                                        message,
3538                                        can_enable_burn_mode,
3539                                    } => self.render_retryable_error(
3540                                        message,
3541                                        can_enable_burn_mode,
3542                                        thread,
3543                                        cx,
3544                                    ),
3545                                })
3546                                .into_any(),
3547                        )
3548                    })
3549                    .child(h_flex().relative().child(message_editor.clone()).when(
3550                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3551                        |this| this.child(self.render_backdrop(cx)),
3552                    ))
3553                    .child(self.render_drag_target(cx)),
3554                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3555                    .child(thread_view.clone())
3556                    .child(self.render_drag_target(cx)),
3557                ActiveView::History => {
3558                    if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
3559                        parent.child(self.acp_history.clone())
3560                    } else {
3561                        parent.child(self.history.clone())
3562                    }
3563                }
3564                ActiveView::TextThread {
3565                    context_editor,
3566                    buffer_search_bar,
3567                    ..
3568                } => {
3569                    let model_registry = LanguageModelRegistry::read_global(cx);
3570                    let configuration_error =
3571                        model_registry.configuration_error(model_registry.default_model(), cx);
3572                    parent
3573                        .map(|this| {
3574                            if !self.should_render_onboarding(cx)
3575                                && let Some(err) = configuration_error.as_ref()
3576                            {
3577                                this.child(
3578                                    div().bg(cx.theme().colors().editor_background).p_2().child(
3579                                        self.render_configuration_error(
3580                                            err,
3581                                            &self.focus_handle(cx),
3582                                            window,
3583                                            cx,
3584                                        ),
3585                                    ),
3586                                )
3587                            } else {
3588                                this
3589                            }
3590                        })
3591                        .child(self.render_prompt_editor(
3592                            context_editor,
3593                            buffer_search_bar,
3594                            window,
3595                            cx,
3596                        ))
3597                }
3598                ActiveView::Configuration => parent.children(self.configuration.clone()),
3599            })
3600            .children(self.render_trial_end_upsell(window, cx));
3601
3602        match self.active_view.which_font_size_used() {
3603            WhichFontSize::AgentFont => {
3604                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3605                    .size_full()
3606                    .child(content)
3607                    .into_any()
3608            }
3609            _ => content.into_any(),
3610        }
3611    }
3612}
3613
3614struct PromptLibraryInlineAssist {
3615    workspace: WeakEntity<Workspace>,
3616}
3617
3618impl PromptLibraryInlineAssist {
3619    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3620        Self { workspace }
3621    }
3622}
3623
3624impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3625    fn assist(
3626        &self,
3627        prompt_editor: &Entity<Editor>,
3628        initial_prompt: Option<String>,
3629        window: &mut Window,
3630        cx: &mut Context<RulesLibrary>,
3631    ) {
3632        InlineAssistant::update_global(cx, |assistant, cx| {
3633            let Some(project) = self
3634                .workspace
3635                .upgrade()
3636                .map(|workspace| workspace.read(cx).project().downgrade())
3637            else {
3638                return;
3639            };
3640            let prompt_store = None;
3641            let thread_store = None;
3642            let text_thread_store = None;
3643            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3644            assistant.assist(
3645                &prompt_editor,
3646                self.workspace.clone(),
3647                context_store,
3648                project,
3649                prompt_store,
3650                thread_store,
3651                text_thread_store,
3652                initial_prompt,
3653                window,
3654                cx,
3655            )
3656        })
3657    }
3658
3659    fn focus_agent_panel(
3660        &self,
3661        workspace: &mut Workspace,
3662        window: &mut Window,
3663        cx: &mut Context<Workspace>,
3664    ) -> bool {
3665        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3666    }
3667}
3668
3669pub struct ConcreteAssistantPanelDelegate;
3670
3671impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3672    fn active_context_editor(
3673        &self,
3674        workspace: &mut Workspace,
3675        _window: &mut Window,
3676        cx: &mut Context<Workspace>,
3677    ) -> Option<Entity<TextThreadEditor>> {
3678        let panel = workspace.panel::<AgentPanel>(cx)?;
3679        panel.read(cx).active_context_editor()
3680    }
3681
3682    fn open_saved_context(
3683        &self,
3684        workspace: &mut Workspace,
3685        path: Arc<Path>,
3686        window: &mut Window,
3687        cx: &mut Context<Workspace>,
3688    ) -> Task<Result<()>> {
3689        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3690            return Task::ready(Err(anyhow!("Agent panel not found")));
3691        };
3692
3693        panel.update(cx, |panel, cx| {
3694            panel.open_saved_prompt_editor(path, window, cx)
3695        })
3696    }
3697
3698    fn open_remote_context(
3699        &self,
3700        _workspace: &mut Workspace,
3701        _context_id: assistant_context::ContextId,
3702        _window: &mut Window,
3703        _cx: &mut Context<Workspace>,
3704    ) -> Task<Result<Entity<TextThreadEditor>>> {
3705        Task::ready(Err(anyhow!("opening remote context not implemented")))
3706    }
3707
3708    fn quote_selection(
3709        &self,
3710        workspace: &mut Workspace,
3711        selection_ranges: Vec<Range<Anchor>>,
3712        buffer: Entity<MultiBuffer>,
3713        window: &mut Window,
3714        cx: &mut Context<Workspace>,
3715    ) {
3716        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3717            return;
3718        };
3719
3720        if !panel.focus_handle(cx).contains_focused(window, cx) {
3721            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3722        }
3723
3724        panel.update(cx, |_, cx| {
3725            // Wait to create a new context until the workspace is no longer
3726            // being updated.
3727            cx.defer_in(window, move |panel, window, cx| {
3728                if let Some(message_editor) = panel.active_message_editor() {
3729                    message_editor.update(cx, |message_editor, cx| {
3730                        message_editor.context_store().update(cx, |store, cx| {
3731                            let buffer = buffer.read(cx);
3732                            let selection_ranges = selection_ranges
3733                                .into_iter()
3734                                .flat_map(|range| {
3735                                    let (start_buffer, start) =
3736                                        buffer.text_anchor_for_position(range.start, cx)?;
3737                                    let (end_buffer, end) =
3738                                        buffer.text_anchor_for_position(range.end, cx)?;
3739                                    if start_buffer != end_buffer {
3740                                        return None;
3741                                    }
3742                                    Some((start_buffer, start..end))
3743                                })
3744                                .collect::<Vec<_>>();
3745
3746                            for (buffer, range) in selection_ranges {
3747                                store.add_selection(buffer, range, cx);
3748                            }
3749                        })
3750                    })
3751                } else if let Some(context_editor) = panel.active_context_editor() {
3752                    let snapshot = buffer.read(cx).snapshot(cx);
3753                    let selection_ranges = selection_ranges
3754                        .into_iter()
3755                        .map(|range| range.to_point(&snapshot))
3756                        .collect::<Vec<_>>();
3757
3758                    context_editor.update(cx, |context_editor, cx| {
3759                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3760                    });
3761                }
3762            });
3763        });
3764    }
3765}
3766
3767struct OnboardingUpsell;
3768
3769impl Dismissable for OnboardingUpsell {
3770    const KEY: &'static str = "dismissed-trial-upsell";
3771}
3772
3773struct TrialEndUpsell;
3774
3775impl Dismissable for TrialEndUpsell {
3776    const KEY: &'static str = "dismissed-trial-end-upsell";
3777}