agent_panel.rs

   1use std::cell::RefCell;
   2use std::ops::{Not, Range};
   3use std::path::Path;
   4use std::rc::Rc;
   5use std::sync::Arc;
   6use std::time::Duration;
   7
   8use agent_servers::AgentServer;
   9use db::kvp::{Dismissable, KEY_VALUE_STORE};
  10use serde::{Deserialize, Serialize};
  11
  12use crate::NewExternalAgentThread;
  13use crate::agent_diff::AgentDiffThread;
  14use crate::message_editor::{MAX_EDITOR_LINES, MIN_EDITOR_LINES};
  15use crate::ui::NewThreadButton;
  16use crate::{
  17    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
  18    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
  19    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
  20    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu, 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 agent::{
  35    Thread, ThreadError, ThreadEvent, ThreadId, ThreadSummary, TokenUsageRatio,
  36    context_store::ContextStore,
  37    history_store::{HistoryEntryId, HistoryStore},
  38    thread_store::{TextThreadStore, ThreadStore},
  39};
  40use agent_settings::{AgentDockPosition, AgentSettings, CompletionMode, DefaultView};
  41use ai_onboarding::AgentPanelOnboarding;
  42use anyhow::{Result, anyhow};
  43use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  44use assistant_slash_command::SlashCommandWorkingSet;
  45use assistant_tool::ToolWorkingSet;
  46use client::{CloudUserStore, DisableAiSettings, UserStore, zed_urls};
  47use cloud_llm_client::{CompletionIntent, UsageLimit};
  48use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  49use feature_flags::{self, FeatureFlagAppExt};
  50use fs::Fs;
  51use gpui::{
  52    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
  53    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, Hsla,
  54    KeyContext, Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*,
  55    pulsating_between,
  56};
  57use language::LanguageRegistry;
  58use language_model::{
  59    ConfigurationError, ConfiguredModel, LanguageModelProviderTosView, LanguageModelRegistry,
  60};
  61use project::{Project, ProjectPath, Worktree};
  62use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  63use proto::Plan;
  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, ElevationIndex, KeyBinding, PopoverMenu,
  72    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}
  91
  92pub fn init(cx: &mut App) {
  93    cx.observe_new(
  94        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  95            workspace
  96                .register_action(|workspace, action: &NewThread, window, cx| {
  97                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  98                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
  99                        workspace.focus_panel::<AgentPanel>(window, cx);
 100                    }
 101                })
 102                .register_action(|workspace, _: &OpenHistory, window, cx| {
 103                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 104                        workspace.focus_panel::<AgentPanel>(window, cx);
 105                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 106                    }
 107                })
 108                .register_action(|workspace, _: &OpenSettings, window, cx| {
 109                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 110                        workspace.focus_panel::<AgentPanel>(window, cx);
 111                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 112                    }
 113                })
 114                .register_action(|workspace, _: &NewTextThread, window, cx| {
 115                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 116                        workspace.focus_panel::<AgentPanel>(window, cx);
 117                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 118                    }
 119                })
 120                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 121                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 122                        workspace.focus_panel::<AgentPanel>(window, cx);
 123                        panel.update(cx, |panel, cx| {
 124                            panel.new_external_thread(action.agent, window, cx)
 125                        });
 126                    }
 127                })
 128                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 129                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 130                        workspace.focus_panel::<AgentPanel>(window, cx);
 131                        panel.update(cx, |panel, cx| {
 132                            panel.deploy_rules_library(action, window, cx)
 133                        });
 134                    }
 135                })
 136                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 137                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 138                        workspace.focus_panel::<AgentPanel>(window, cx);
 139                        match &panel.read(cx).active_view {
 140                            ActiveView::Thread { thread, .. } => {
 141                                let thread = thread.read(cx).thread().clone();
 142                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 143                            }
 144                            ActiveView::ExternalAgentThread { .. }
 145                            | ActiveView::TextThread { .. }
 146                            | ActiveView::History
 147                            | ActiveView::Configuration => {}
 148                        }
 149                    }
 150                })
 151                .register_action(|workspace, _: &Follow, window, cx| {
 152                    workspace.follow(CollaboratorId::Agent, window, cx);
 153                })
 154                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 155                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 156                        return;
 157                    };
 158                    workspace.focus_panel::<AgentPanel>(window, cx);
 159                    panel.update(cx, |panel, cx| {
 160                        if let Some(message_editor) = panel.active_message_editor() {
 161                            message_editor.update(cx, |editor, cx| {
 162                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 163                            });
 164                        }
 165                    });
 166                })
 167                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 168                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 169                        workspace.focus_panel::<AgentPanel>(window, cx);
 170                        panel.update(cx, |panel, cx| {
 171                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 172                        });
 173                    }
 174                })
 175                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 176                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 177                        workspace.focus_panel::<AgentPanel>(window, cx);
 178                        panel.update(cx, |panel, cx| {
 179                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 180                        });
 181                    }
 182                })
 183                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 184                    AgentOnboardingModal::toggle(workspace, window, cx)
 185                })
 186                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 187                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 188                    window.refresh();
 189                })
 190                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 191                    OnboardingUpsell::set_dismissed(false, cx);
 192                })
 193                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 194                    TrialEndUpsell::set_dismissed(false, cx);
 195                });
 196        },
 197    )
 198    .detach();
 199}
 200
 201enum ActiveView {
 202    Thread {
 203        thread: Entity<ActiveThread>,
 204        change_title_editor: Entity<Editor>,
 205        message_editor: Entity<MessageEditor>,
 206        _subscriptions: Vec<gpui::Subscription>,
 207    },
 208    ExternalAgentThread {
 209        thread_view: Entity<AcpThreadView>,
 210    },
 211    TextThread {
 212        context_editor: Entity<TextThreadEditor>,
 213        title_editor: Entity<Editor>,
 214        buffer_search_bar: Entity<BufferSearchBar>,
 215        _subscriptions: Vec<gpui::Subscription>,
 216    },
 217    History,
 218    Configuration,
 219}
 220
 221enum WhichFontSize {
 222    AgentFont,
 223    BufferFont,
 224    None,
 225}
 226
 227impl ActiveView {
 228    pub fn which_font_size_used(&self) -> WhichFontSize {
 229        match self {
 230            ActiveView::Thread { .. }
 231            | ActiveView::ExternalAgentThread { .. }
 232            | ActiveView::History => WhichFontSize::AgentFont,
 233            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 234            ActiveView::Configuration => WhichFontSize::None,
 235        }
 236    }
 237
 238    pub fn thread(
 239        active_thread: Entity<ActiveThread>,
 240        message_editor: Entity<MessageEditor>,
 241        window: &mut Window,
 242        cx: &mut Context<AgentPanel>,
 243    ) -> Self {
 244        let summary = active_thread.read(cx).summary(cx).or_default();
 245
 246        let editor = cx.new(|cx| {
 247            let mut editor = Editor::single_line(window, cx);
 248            editor.set_text(summary.clone(), window, cx);
 249            editor
 250        });
 251
 252        let subscriptions = vec![
 253            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 254                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 255                    cx.notify();
 256                }
 257                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 258                    ActiveView::Thread { thread, .. } => {
 259                        thread.update(cx, |thread, cx| {
 260                            thread.scroll_to_bottom(cx);
 261                        });
 262                    }
 263                    ActiveView::ExternalAgentThread { .. } => {}
 264                    ActiveView::TextThread { .. }
 265                    | ActiveView::History
 266                    | ActiveView::Configuration => {}
 267                },
 268            }),
 269            window.subscribe(&editor, cx, {
 270                {
 271                    let thread = active_thread.clone();
 272                    move |editor, event, window, cx| match event {
 273                        EditorEvent::BufferEdited => {
 274                            let new_summary = editor.read(cx).text(cx);
 275
 276                            thread.update(cx, |thread, cx| {
 277                                thread.thread().update(cx, |thread, cx| {
 278                                    thread.set_summary(new_summary, cx);
 279                                });
 280                            })
 281                        }
 282                        EditorEvent::Blurred => {
 283                            if editor.read(cx).text(cx).is_empty() {
 284                                let summary = thread.read(cx).summary(cx).or_default();
 285
 286                                editor.update(cx, |editor, cx| {
 287                                    editor.set_text(summary, window, cx);
 288                                });
 289                            }
 290                        }
 291                        _ => {}
 292                    }
 293                }
 294            }),
 295            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 296                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 297                    cx.notify();
 298                }
 299            }),
 300            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 301                let editor = editor.clone();
 302                move |_, thread, event, window, cx| match event {
 303                    ThreadEvent::SummaryGenerated => {
 304                        let summary = thread.read(cx).summary().or_default();
 305
 306                        editor.update(cx, |editor, cx| {
 307                            editor.set_text(summary, window, cx);
 308                        })
 309                    }
 310                    ThreadEvent::MessageAdded(_) => {
 311                        cx.notify();
 312                    }
 313                    _ => {}
 314                }
 315            }),
 316        ];
 317
 318        Self::Thread {
 319            change_title_editor: editor,
 320            thread: active_thread,
 321            message_editor: message_editor,
 322            _subscriptions: subscriptions,
 323        }
 324    }
 325
 326    pub fn prompt_editor(
 327        context_editor: Entity<TextThreadEditor>,
 328        history_store: Entity<HistoryStore>,
 329        language_registry: Arc<LanguageRegistry>,
 330        window: &mut Window,
 331        cx: &mut App,
 332    ) -> Self {
 333        let title = context_editor.read(cx).title(cx).to_string();
 334
 335        let editor = cx.new(|cx| {
 336            let mut editor = Editor::single_line(window, cx);
 337            editor.set_text(title, window, cx);
 338            editor
 339        });
 340
 341        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 342        // cause a custom summary to be set. The presence of this custom summary would cause
 343        // summarization to not happen.
 344        let mut suppress_first_edit = true;
 345
 346        let subscriptions = vec![
 347            window.subscribe(&editor, cx, {
 348                {
 349                    let context_editor = context_editor.clone();
 350                    move |editor, event, window, cx| match event {
 351                        EditorEvent::BufferEdited => {
 352                            if suppress_first_edit {
 353                                suppress_first_edit = false;
 354                                return;
 355                            }
 356                            let new_summary = editor.read(cx).text(cx);
 357
 358                            context_editor.update(cx, |context_editor, cx| {
 359                                context_editor
 360                                    .context()
 361                                    .update(cx, |assistant_context, cx| {
 362                                        assistant_context.set_custom_summary(new_summary, cx);
 363                                    })
 364                            })
 365                        }
 366                        EditorEvent::Blurred => {
 367                            if editor.read(cx).text(cx).is_empty() {
 368                                let summary = context_editor
 369                                    .read(cx)
 370                                    .context()
 371                                    .read(cx)
 372                                    .summary()
 373                                    .or_default();
 374
 375                                editor.update(cx, |editor, cx| {
 376                                    editor.set_text(summary, window, cx);
 377                                });
 378                            }
 379                        }
 380                        _ => {}
 381                    }
 382                }
 383            }),
 384            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 385                let editor = editor.clone();
 386                move |assistant_context, event, window, cx| match event {
 387                    ContextEvent::SummaryGenerated => {
 388                        let summary = assistant_context.read(cx).summary().or_default();
 389
 390                        editor.update(cx, |editor, cx| {
 391                            editor.set_text(summary, window, cx);
 392                        })
 393                    }
 394                    ContextEvent::PathChanged { old_path, new_path } => {
 395                        history_store.update(cx, |history_store, cx| {
 396                            if let Some(old_path) = old_path {
 397                                history_store
 398                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 399                            } else {
 400                                history_store.push_recently_opened_entry(
 401                                    HistoryEntryId::Context(new_path.clone()),
 402                                    cx,
 403                                );
 404                            }
 405                        });
 406                    }
 407                    _ => {}
 408                }
 409            }),
 410        ];
 411
 412        let buffer_search_bar =
 413            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 414        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 415            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 416        });
 417
 418        Self::TextThread {
 419            context_editor,
 420            title_editor: editor,
 421            buffer_search_bar,
 422            _subscriptions: subscriptions,
 423        }
 424    }
 425}
 426
 427pub struct AgentPanel {
 428    workspace: WeakEntity<Workspace>,
 429    user_store: Entity<UserStore>,
 430    cloud_user_store: Entity<CloudUserStore>,
 431    project: Entity<Project>,
 432    fs: Arc<dyn Fs>,
 433    language_registry: Arc<LanguageRegistry>,
 434    thread_store: Entity<ThreadStore>,
 435    _default_model_subscription: Subscription,
 436    context_store: Entity<TextThreadStore>,
 437    prompt_store: Option<Entity<PromptStore>>,
 438    inline_assist_context_store: Entity<ContextStore>,
 439    configuration: Option<Entity<AgentConfiguration>>,
 440    configuration_subscription: Option<Subscription>,
 441    local_timezone: UtcOffset,
 442    active_view: ActiveView,
 443    acp_message_history:
 444        Rc<RefCell<crate::acp::MessageHistory<Vec<agent_client_protocol::ContentBlock>>>>,
 445    previous_view: Option<ActiveView>,
 446    history_store: Entity<HistoryStore>,
 447    history: Entity<ThreadHistory>,
 448    hovered_recent_history_item: Option<usize>,
 449    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 450    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 451    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 452    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 453    width: Option<Pixels>,
 454    height: Option<Pixels>,
 455    zoomed: bool,
 456    pending_serialization: Option<Task<Result<()>>>,
 457    onboarding: Entity<AgentPanelOnboarding>,
 458}
 459
 460impl AgentPanel {
 461    fn serialize(&mut self, cx: &mut Context<Self>) {
 462        let width = self.width;
 463        self.pending_serialization = Some(cx.background_spawn(async move {
 464            KEY_VALUE_STORE
 465                .write_kvp(
 466                    AGENT_PANEL_KEY.into(),
 467                    serde_json::to_string(&SerializedAgentPanel { width })?,
 468                )
 469                .await?;
 470            anyhow::Ok(())
 471        }));
 472    }
 473    pub fn load(
 474        workspace: WeakEntity<Workspace>,
 475        prompt_builder: Arc<PromptBuilder>,
 476        mut cx: AsyncWindowContext,
 477    ) -> Task<Result<Entity<Self>>> {
 478        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 479        cx.spawn(async move |cx| {
 480            let prompt_store = match prompt_store {
 481                Ok(prompt_store) => prompt_store.await.ok(),
 482                Err(_) => None,
 483            };
 484            let tools = cx.new(|_| ToolWorkingSet::default())?;
 485            let thread_store = workspace
 486                .update(cx, |workspace, cx| {
 487                    let project = workspace.project().clone();
 488                    ThreadStore::load(
 489                        project,
 490                        workspace.app_state().cloud_user_store.clone(),
 491                        tools.clone(),
 492                        prompt_store.clone(),
 493                        prompt_builder.clone(),
 494                        cx,
 495                    )
 496                })?
 497                .await?;
 498
 499            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 500            let context_store = workspace
 501                .update(cx, |workspace, cx| {
 502                    let project = workspace.project().clone();
 503                    assistant_context::ContextStore::new(
 504                        project,
 505                        prompt_builder.clone(),
 506                        slash_commands,
 507                        cx,
 508                    )
 509                })?
 510                .await?;
 511
 512            let serialized_panel = if let Some(panel) = cx
 513                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 514                .await
 515                .log_err()
 516                .flatten()
 517            {
 518                Some(serde_json::from_str::<SerializedAgentPanel>(&panel)?)
 519            } else {
 520                None
 521            };
 522
 523            let panel = workspace.update_in(cx, |workspace, window, cx| {
 524                let panel = cx.new(|cx| {
 525                    Self::new(
 526                        workspace,
 527                        thread_store,
 528                        context_store,
 529                        prompt_store,
 530                        window,
 531                        cx,
 532                    )
 533                });
 534                if let Some(serialized_panel) = serialized_panel {
 535                    panel.update(cx, |panel, cx| {
 536                        panel.width = serialized_panel.width.map(|w| w.round());
 537                        cx.notify();
 538                    });
 539                }
 540                panel
 541            })?;
 542
 543            Ok(panel)
 544        })
 545    }
 546
 547    fn new(
 548        workspace: &Workspace,
 549        thread_store: Entity<ThreadStore>,
 550        context_store: Entity<TextThreadStore>,
 551        prompt_store: Option<Entity<PromptStore>>,
 552        window: &mut Window,
 553        cx: &mut Context<Self>,
 554    ) -> Self {
 555        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 556        let fs = workspace.app_state().fs.clone();
 557        let user_store = workspace.app_state().user_store.clone();
 558        let cloud_user_store = workspace.app_state().cloud_user_store.clone();
 559        let project = workspace.project();
 560        let language_registry = project.read(cx).languages().clone();
 561        let client = workspace.client().clone();
 562        let workspace = workspace.weak_handle();
 563        let weak_self = cx.entity().downgrade();
 564
 565        let message_editor_context_store =
 566            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 567        let inline_assist_context_store =
 568            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 569
 570        let thread_id = thread.read(cx).id().clone();
 571
 572        let history_store = cx.new(|cx| {
 573            HistoryStore::new(
 574                thread_store.clone(),
 575                context_store.clone(),
 576                [HistoryEntryId::Thread(thread_id)],
 577                cx,
 578            )
 579        });
 580
 581        let message_editor = cx.new(|cx| {
 582            MessageEditor::new(
 583                fs.clone(),
 584                workspace.clone(),
 585                cloud_user_store.clone(),
 586                message_editor_context_store.clone(),
 587                prompt_store.clone(),
 588                thread_store.downgrade(),
 589                context_store.downgrade(),
 590                Some(history_store.downgrade()),
 591                thread.clone(),
 592                window,
 593                cx,
 594            )
 595        });
 596
 597        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 598
 599        let active_thread = cx.new(|cx| {
 600            ActiveThread::new(
 601                thread.clone(),
 602                thread_store.clone(),
 603                context_store.clone(),
 604                message_editor_context_store.clone(),
 605                language_registry.clone(),
 606                workspace.clone(),
 607                window,
 608                cx,
 609            )
 610        });
 611
 612        let panel_type = AgentSettings::get_global(cx).default_view;
 613        let active_view = match panel_type {
 614            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 615            DefaultView::TextThread => {
 616                let context =
 617                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 618                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 619                let context_editor = cx.new(|cx| {
 620                    let mut editor = TextThreadEditor::for_context(
 621                        context,
 622                        fs.clone(),
 623                        workspace.clone(),
 624                        project.clone(),
 625                        lsp_adapter_delegate,
 626                        window,
 627                        cx,
 628                    );
 629                    editor.insert_default_prompt(window, cx);
 630                    editor
 631                });
 632                ActiveView::prompt_editor(
 633                    context_editor,
 634                    history_store.clone(),
 635                    language_registry.clone(),
 636                    window,
 637                    cx,
 638                )
 639            }
 640        };
 641
 642        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 643
 644        let weak_panel = weak_self.clone();
 645
 646        window.defer(cx, move |window, cx| {
 647            let panel = weak_panel.clone();
 648            let assistant_navigation_menu =
 649                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 650                    if let Some(panel) = panel.upgrade() {
 651                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 652                    }
 653                    menu.action("View All", Box::new(OpenHistory))
 654                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 655                        .fixed_width(px(320.).into())
 656                        .keep_open_on_confirm(false)
 657                        .key_context("NavigationMenu")
 658                });
 659            weak_panel
 660                .update(cx, |panel, cx| {
 661                    cx.subscribe_in(
 662                        &assistant_navigation_menu,
 663                        window,
 664                        |_, menu, _: &DismissEvent, window, cx| {
 665                            menu.update(cx, |menu, _| {
 666                                menu.clear_selected();
 667                            });
 668                            cx.focus_self(window);
 669                        },
 670                    )
 671                    .detach();
 672                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 673                })
 674                .ok();
 675        });
 676
 677        let _default_model_subscription = cx.subscribe(
 678            &LanguageModelRegistry::global(cx),
 679            |this, _, event: &language_model::Event, cx| match event {
 680                language_model::Event::DefaultModelChanged => match &this.active_view {
 681                    ActiveView::Thread { thread, .. } => {
 682                        thread
 683                            .read(cx)
 684                            .thread()
 685                            .clone()
 686                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
 687                    }
 688                    ActiveView::ExternalAgentThread { .. }
 689                    | ActiveView::TextThread { .. }
 690                    | ActiveView::History
 691                    | ActiveView::Configuration => {}
 692                },
 693                _ => {}
 694            },
 695        );
 696
 697        let onboarding = cx.new(|cx| {
 698            AgentPanelOnboarding::new(
 699                user_store.clone(),
 700                cloud_user_store.clone(),
 701                client,
 702                |_window, cx| {
 703                    OnboardingUpsell::set_dismissed(true, cx);
 704                },
 705                cx,
 706            )
 707        });
 708
 709        Self {
 710            active_view,
 711            workspace,
 712            user_store,
 713            cloud_user_store,
 714            project: project.clone(),
 715            fs: fs.clone(),
 716            language_registry,
 717            thread_store: thread_store.clone(),
 718            _default_model_subscription,
 719            context_store,
 720            prompt_store,
 721            configuration: None,
 722            configuration_subscription: None,
 723            local_timezone: UtcOffset::from_whole_seconds(
 724                chrono::Local::now().offset().local_minus_utc(),
 725            )
 726            .unwrap(),
 727            inline_assist_context_store,
 728            previous_view: None,
 729            acp_message_history: Default::default(),
 730            history_store: history_store.clone(),
 731            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 732            hovered_recent_history_item: None,
 733            new_thread_menu_handle: PopoverMenuHandle::default(),
 734            agent_panel_menu_handle: PopoverMenuHandle::default(),
 735            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 736            assistant_navigation_menu: None,
 737            width: None,
 738            height: None,
 739            zoomed: false,
 740            pending_serialization: None,
 741            onboarding,
 742        }
 743    }
 744
 745    pub fn toggle_focus(
 746        workspace: &mut Workspace,
 747        _: &ToggleFocus,
 748        window: &mut Window,
 749        cx: &mut Context<Workspace>,
 750    ) {
 751        if workspace
 752            .panel::<Self>(cx)
 753            .is_some_and(|panel| panel.read(cx).enabled(cx))
 754            && !DisableAiSettings::get_global(cx).disable_ai
 755        {
 756            workspace.toggle_panel_focus::<Self>(window, cx);
 757        }
 758    }
 759
 760    pub(crate) fn local_timezone(&self) -> UtcOffset {
 761        self.local_timezone
 762    }
 763
 764    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 765        &self.prompt_store
 766    }
 767
 768    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 769        &self.inline_assist_context_store
 770    }
 771
 772    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 773        &self.thread_store
 774    }
 775
 776    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 777        &self.context_store
 778    }
 779
 780    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 781        match &self.active_view {
 782            ActiveView::Thread { thread, .. } => {
 783                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 784            }
 785            ActiveView::ExternalAgentThread { thread_view, .. } => {
 786                thread_view.update(cx, |thread_element, cx| thread_element.cancel(cx));
 787            }
 788            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
 789        }
 790    }
 791
 792    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 793        match &self.active_view {
 794            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 795            ActiveView::ExternalAgentThread { .. }
 796            | ActiveView::TextThread { .. }
 797            | ActiveView::History
 798            | ActiveView::Configuration => None,
 799        }
 800    }
 801
 802    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 803        // Preserve chat box text when using creating new thread
 804        let preserved_text = self
 805            .active_message_editor()
 806            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());
 807
 808        let thread = self
 809            .thread_store
 810            .update(cx, |this, cx| this.create_thread(cx));
 811
 812        let context_store = cx.new(|_cx| {
 813            ContextStore::new(
 814                self.project.downgrade(),
 815                Some(self.thread_store.downgrade()),
 816            )
 817        });
 818
 819        if let Some(other_thread_id) = action.from_thread_id.clone() {
 820            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 821                this.open_thread(&other_thread_id, window, cx)
 822            });
 823
 824            cx.spawn({
 825                let context_store = context_store.clone();
 826
 827                async move |_panel, cx| {
 828                    let other_thread = other_thread_task.await?;
 829
 830                    context_store.update(cx, |this, cx| {
 831                        this.add_thread(other_thread, false, cx);
 832                    })?;
 833                    anyhow::Ok(())
 834                }
 835            })
 836            .detach_and_log_err(cx);
 837        }
 838
 839        let active_thread = cx.new(|cx| {
 840            ActiveThread::new(
 841                thread.clone(),
 842                self.thread_store.clone(),
 843                self.context_store.clone(),
 844                context_store.clone(),
 845                self.language_registry.clone(),
 846                self.workspace.clone(),
 847                window,
 848                cx,
 849            )
 850        });
 851
 852        let message_editor = cx.new(|cx| {
 853            MessageEditor::new(
 854                self.fs.clone(),
 855                self.workspace.clone(),
 856                self.cloud_user_store.clone(),
 857                context_store.clone(),
 858                self.prompt_store.clone(),
 859                self.thread_store.downgrade(),
 860                self.context_store.downgrade(),
 861                Some(self.history_store.downgrade()),
 862                thread.clone(),
 863                window,
 864                cx,
 865            )
 866        });
 867
 868        if let Some(text) = preserved_text {
 869            message_editor.update(cx, |editor, cx| {
 870                editor.set_text(text, window, cx);
 871            });
 872        }
 873
 874        message_editor.focus_handle(cx).focus(window);
 875
 876        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
 877        self.set_active_view(thread_view, window, cx);
 878
 879        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 880    }
 881
 882    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 883        let context = self
 884            .context_store
 885            .update(cx, |context_store, cx| context_store.create(cx));
 886        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 887            .log_err()
 888            .flatten();
 889
 890        let context_editor = cx.new(|cx| {
 891            let mut editor = TextThreadEditor::for_context(
 892                context,
 893                self.fs.clone(),
 894                self.workspace.clone(),
 895                self.project.clone(),
 896                lsp_adapter_delegate,
 897                window,
 898                cx,
 899            );
 900            editor.insert_default_prompt(window, cx);
 901            editor
 902        });
 903
 904        self.set_active_view(
 905            ActiveView::prompt_editor(
 906                context_editor.clone(),
 907                self.history_store.clone(),
 908                self.language_registry.clone(),
 909                window,
 910                cx,
 911            ),
 912            window,
 913            cx,
 914        );
 915        context_editor.focus_handle(cx).focus(window);
 916    }
 917
 918    fn new_external_thread(
 919        &mut self,
 920        agent_choice: Option<crate::ExternalAgent>,
 921        window: &mut Window,
 922        cx: &mut Context<Self>,
 923    ) {
 924        let workspace = self.workspace.clone();
 925        let project = self.project.clone();
 926        let message_history = self.acp_message_history.clone();
 927
 928        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 929
 930        #[derive(Default, Serialize, Deserialize)]
 931        struct LastUsedExternalAgent {
 932            agent: crate::ExternalAgent,
 933        }
 934
 935        cx.spawn_in(window, async move |this, cx| {
 936            let server: Rc<dyn AgentServer> = match agent_choice {
 937                Some(agent) => {
 938                    cx.background_spawn(async move {
 939                        if let Some(serialized) =
 940                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
 941                        {
 942                            KEY_VALUE_STORE
 943                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
 944                                .await
 945                                .log_err();
 946                        }
 947                    })
 948                    .detach();
 949
 950                    agent.server()
 951                }
 952                None => cx
 953                    .background_spawn(async move {
 954                        KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
 955                    })
 956                    .await
 957                    .log_err()
 958                    .flatten()
 959                    .and_then(|value| {
 960                        serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
 961                    })
 962                    .unwrap_or_default()
 963                    .agent
 964                    .server(),
 965            };
 966
 967            this.update_in(cx, |this, window, cx| {
 968                let thread_view = cx.new(|cx| {
 969                    crate::acp::AcpThreadView::new(
 970                        server,
 971                        workspace.clone(),
 972                        project,
 973                        message_history,
 974                        MIN_EDITOR_LINES,
 975                        Some(MAX_EDITOR_LINES),
 976                        window,
 977                        cx,
 978                    )
 979                });
 980
 981                this.set_active_view(
 982                    ActiveView::ExternalAgentThread {
 983                        thread_view: thread_view.clone(),
 984                    },
 985                    window,
 986                    cx,
 987                );
 988            })
 989        })
 990        .detach_and_log_err(cx);
 991    }
 992
 993    fn deploy_rules_library(
 994        &mut self,
 995        action: &OpenRulesLibrary,
 996        _window: &mut Window,
 997        cx: &mut Context<Self>,
 998    ) {
 999        open_rules_library(
1000            self.language_registry.clone(),
1001            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1002            Rc::new(|| {
1003                Rc::new(SlashCommandCompletionProvider::new(
1004                    Arc::new(SlashCommandWorkingSet::default()),
1005                    None,
1006                    None,
1007                ))
1008            }),
1009            action
1010                .prompt_to_select
1011                .map(|uuid| UserPromptId(uuid).into()),
1012            cx,
1013        )
1014        .detach_and_log_err(cx);
1015    }
1016
1017    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1018        if matches!(self.active_view, ActiveView::History) {
1019            if let Some(previous_view) = self.previous_view.take() {
1020                self.set_active_view(previous_view, window, cx);
1021            }
1022        } else {
1023            self.thread_store
1024                .update(cx, |thread_store, cx| thread_store.reload(cx))
1025                .detach_and_log_err(cx);
1026            self.set_active_view(ActiveView::History, window, cx);
1027        }
1028        cx.notify();
1029    }
1030
1031    pub(crate) fn open_saved_prompt_editor(
1032        &mut self,
1033        path: Arc<Path>,
1034        window: &mut Window,
1035        cx: &mut Context<Self>,
1036    ) -> Task<Result<()>> {
1037        let context = self
1038            .context_store
1039            .update(cx, |store, cx| store.open_local_context(path, cx));
1040        cx.spawn_in(window, async move |this, cx| {
1041            let context = context.await?;
1042            this.update_in(cx, |this, window, cx| {
1043                this.open_prompt_editor(context, window, cx);
1044            })
1045        })
1046    }
1047
1048    pub(crate) fn open_prompt_editor(
1049        &mut self,
1050        context: Entity<AssistantContext>,
1051        window: &mut Window,
1052        cx: &mut Context<Self>,
1053    ) {
1054        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1055            .log_err()
1056            .flatten();
1057        let editor = cx.new(|cx| {
1058            TextThreadEditor::for_context(
1059                context,
1060                self.fs.clone(),
1061                self.workspace.clone(),
1062                self.project.clone(),
1063                lsp_adapter_delegate,
1064                window,
1065                cx,
1066            )
1067        });
1068        self.set_active_view(
1069            ActiveView::prompt_editor(
1070                editor.clone(),
1071                self.history_store.clone(),
1072                self.language_registry.clone(),
1073                window,
1074                cx,
1075            ),
1076            window,
1077            cx,
1078        );
1079    }
1080
1081    pub(crate) fn open_thread_by_id(
1082        &mut self,
1083        thread_id: &ThreadId,
1084        window: &mut Window,
1085        cx: &mut Context<Self>,
1086    ) -> Task<Result<()>> {
1087        let open_thread_task = self
1088            .thread_store
1089            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1090        cx.spawn_in(window, async move |this, cx| {
1091            let thread = open_thread_task.await?;
1092            this.update_in(cx, |this, window, cx| {
1093                this.open_thread(thread, window, cx);
1094                anyhow::Ok(())
1095            })??;
1096            Ok(())
1097        })
1098    }
1099
1100    pub(crate) fn open_thread(
1101        &mut self,
1102        thread: Entity<Thread>,
1103        window: &mut Window,
1104        cx: &mut Context<Self>,
1105    ) {
1106        let context_store = cx.new(|_cx| {
1107            ContextStore::new(
1108                self.project.downgrade(),
1109                Some(self.thread_store.downgrade()),
1110            )
1111        });
1112
1113        let active_thread = cx.new(|cx| {
1114            ActiveThread::new(
1115                thread.clone(),
1116                self.thread_store.clone(),
1117                self.context_store.clone(),
1118                context_store.clone(),
1119                self.language_registry.clone(),
1120                self.workspace.clone(),
1121                window,
1122                cx,
1123            )
1124        });
1125
1126        let message_editor = cx.new(|cx| {
1127            MessageEditor::new(
1128                self.fs.clone(),
1129                self.workspace.clone(),
1130                self.cloud_user_store.clone(),
1131                context_store,
1132                self.prompt_store.clone(),
1133                self.thread_store.downgrade(),
1134                self.context_store.downgrade(),
1135                Some(self.history_store.downgrade()),
1136                thread.clone(),
1137                window,
1138                cx,
1139            )
1140        });
1141        message_editor.focus_handle(cx).focus(window);
1142
1143        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1144        self.set_active_view(thread_view, window, cx);
1145        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1146    }
1147
1148    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1149        match self.active_view {
1150            ActiveView::Configuration | ActiveView::History => {
1151                if let Some(previous_view) = self.previous_view.take() {
1152                    self.active_view = previous_view;
1153
1154                    match &self.active_view {
1155                        ActiveView::Thread { message_editor, .. } => {
1156                            message_editor.focus_handle(cx).focus(window);
1157                        }
1158                        ActiveView::ExternalAgentThread { thread_view } => {
1159                            thread_view.focus_handle(cx).focus(window);
1160                        }
1161                        ActiveView::TextThread { context_editor, .. } => {
1162                            context_editor.focus_handle(cx).focus(window);
1163                        }
1164                        ActiveView::History | ActiveView::Configuration => {}
1165                    }
1166                }
1167                cx.notify();
1168            }
1169            _ => {}
1170        }
1171    }
1172
1173    pub fn toggle_navigation_menu(
1174        &mut self,
1175        _: &ToggleNavigationMenu,
1176        window: &mut Window,
1177        cx: &mut Context<Self>,
1178    ) {
1179        self.assistant_navigation_menu_handle.toggle(window, cx);
1180    }
1181
1182    pub fn toggle_options_menu(
1183        &mut self,
1184        _: &ToggleOptionsMenu,
1185        window: &mut Window,
1186        cx: &mut Context<Self>,
1187    ) {
1188        self.agent_panel_menu_handle.toggle(window, cx);
1189    }
1190
1191    pub fn increase_font_size(
1192        &mut self,
1193        action: &IncreaseBufferFontSize,
1194        _: &mut Window,
1195        cx: &mut Context<Self>,
1196    ) {
1197        self.handle_font_size_action(action.persist, px(1.0), cx);
1198    }
1199
1200    pub fn decrease_font_size(
1201        &mut self,
1202        action: &DecreaseBufferFontSize,
1203        _: &mut Window,
1204        cx: &mut Context<Self>,
1205    ) {
1206        self.handle_font_size_action(action.persist, px(-1.0), cx);
1207    }
1208
1209    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1210        match self.active_view.which_font_size_used() {
1211            WhichFontSize::AgentFont => {
1212                if persist {
1213                    update_settings_file::<ThemeSettings>(
1214                        self.fs.clone(),
1215                        cx,
1216                        move |settings, cx| {
1217                            let agent_font_size =
1218                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1219                            let _ = settings
1220                                .agent_font_size
1221                                .insert(theme::clamp_font_size(agent_font_size).0);
1222                        },
1223                    );
1224                } else {
1225                    theme::adjust_agent_font_size(cx, |size| {
1226                        *size += delta;
1227                    });
1228                }
1229            }
1230            WhichFontSize::BufferFont => {
1231                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1232                // default handler that changes that font size.
1233                cx.propagate();
1234            }
1235            WhichFontSize::None => {}
1236        }
1237    }
1238
1239    pub fn reset_font_size(
1240        &mut self,
1241        action: &ResetBufferFontSize,
1242        _: &mut Window,
1243        cx: &mut Context<Self>,
1244    ) {
1245        if action.persist {
1246            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1247                settings.agent_font_size = None;
1248            });
1249        } else {
1250            theme::reset_agent_font_size(cx);
1251        }
1252    }
1253
1254    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1255        if self.zoomed {
1256            cx.emit(PanelEvent::ZoomOut);
1257        } else {
1258            if !self.focus_handle(cx).contains_focused(window, cx) {
1259                cx.focus_self(window);
1260            }
1261            cx.emit(PanelEvent::ZoomIn);
1262        }
1263    }
1264
1265    pub fn open_agent_diff(
1266        &mut self,
1267        _: &OpenAgentDiff,
1268        window: &mut Window,
1269        cx: &mut Context<Self>,
1270    ) {
1271        match &self.active_view {
1272            ActiveView::Thread { thread, .. } => {
1273                let thread = thread.read(cx).thread().clone();
1274                self.workspace
1275                    .update(cx, |workspace, cx| {
1276                        AgentDiffPane::deploy_in_workspace(
1277                            AgentDiffThread::Native(thread),
1278                            workspace,
1279                            window,
1280                            cx,
1281                        )
1282                    })
1283                    .log_err();
1284            }
1285            ActiveView::ExternalAgentThread { .. }
1286            | ActiveView::TextThread { .. }
1287            | ActiveView::History
1288            | ActiveView::Configuration => {}
1289        }
1290    }
1291
1292    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1293        let context_server_store = self.project.read(cx).context_server_store();
1294        let tools = self.thread_store.read(cx).tools();
1295        let fs = self.fs.clone();
1296
1297        self.set_active_view(ActiveView::Configuration, window, cx);
1298        self.configuration = Some(cx.new(|cx| {
1299            AgentConfiguration::new(
1300                fs,
1301                context_server_store,
1302                tools,
1303                self.language_registry.clone(),
1304                self.workspace.clone(),
1305                window,
1306                cx,
1307            )
1308        }));
1309
1310        if let Some(configuration) = self.configuration.as_ref() {
1311            self.configuration_subscription = Some(cx.subscribe_in(
1312                configuration,
1313                window,
1314                Self::handle_agent_configuration_event,
1315            ));
1316
1317            configuration.focus_handle(cx).focus(window);
1318        }
1319    }
1320
1321    pub(crate) fn open_active_thread_as_markdown(
1322        &mut self,
1323        _: &OpenActiveThreadAsMarkdown,
1324        window: &mut Window,
1325        cx: &mut Context<Self>,
1326    ) {
1327        let Some(workspace) = self.workspace.upgrade() else {
1328            return;
1329        };
1330
1331        match &self.active_view {
1332            ActiveView::Thread { thread, .. } => {
1333                active_thread::open_active_thread_as_markdown(
1334                    thread.read(cx).thread().clone(),
1335                    workspace,
1336                    window,
1337                    cx,
1338                )
1339                .detach_and_log_err(cx);
1340            }
1341            ActiveView::ExternalAgentThread { thread_view } => {
1342                thread_view
1343                    .update(cx, |thread_view, cx| {
1344                        thread_view.open_thread_as_markdown(workspace, window, cx)
1345                    })
1346                    .detach_and_log_err(cx);
1347            }
1348            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1349        }
1350    }
1351
1352    fn handle_agent_configuration_event(
1353        &mut self,
1354        _entity: &Entity<AgentConfiguration>,
1355        event: &AssistantConfigurationEvent,
1356        window: &mut Window,
1357        cx: &mut Context<Self>,
1358    ) {
1359        match event {
1360            AssistantConfigurationEvent::NewThread(provider) => {
1361                if LanguageModelRegistry::read_global(cx)
1362                    .default_model()
1363                    .map_or(true, |model| model.provider.id() != provider.id())
1364                {
1365                    if let Some(model) = provider.default_model(cx) {
1366                        update_settings_file::<AgentSettings>(
1367                            self.fs.clone(),
1368                            cx,
1369                            move |settings, _| settings.set_model(model),
1370                        );
1371                    }
1372                }
1373
1374                self.new_thread(&NewThread::default(), window, cx);
1375                if let Some((thread, model)) =
1376                    self.active_thread(cx).zip(provider.default_model(cx))
1377                {
1378                    thread.update(cx, |thread, cx| {
1379                        thread.set_configured_model(
1380                            Some(ConfiguredModel {
1381                                provider: provider.clone(),
1382                                model,
1383                            }),
1384                            cx,
1385                        );
1386                    });
1387                }
1388            }
1389        }
1390    }
1391
1392    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1393        match &self.active_view {
1394            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1395            _ => None,
1396        }
1397    }
1398
1399    pub(crate) fn delete_thread(
1400        &mut self,
1401        thread_id: &ThreadId,
1402        cx: &mut Context<Self>,
1403    ) -> Task<Result<()>> {
1404        self.thread_store
1405            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1406    }
1407
1408    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1409        let ActiveView::Thread { thread, .. } = &self.active_view else {
1410            return;
1411        };
1412
1413        let thread_state = thread.read(cx).thread().read(cx);
1414        if !thread_state.tool_use_limit_reached() {
1415            return;
1416        }
1417
1418        let model = thread_state.configured_model().map(|cm| cm.model.clone());
1419        if let Some(model) = model {
1420            thread.update(cx, |active_thread, cx| {
1421                active_thread.thread().update(cx, |thread, cx| {
1422                    thread.insert_invisible_continue_message(cx);
1423                    thread.advance_prompt_id();
1424                    thread.send_to_model(
1425                        model,
1426                        CompletionIntent::UserPrompt,
1427                        Some(window.window_handle()),
1428                        cx,
1429                    );
1430                });
1431            });
1432        } else {
1433            log::warn!("No configured model available for continuation");
1434        }
1435    }
1436
1437    fn toggle_burn_mode(
1438        &mut self,
1439        _: &ToggleBurnMode,
1440        _window: &mut Window,
1441        cx: &mut Context<Self>,
1442    ) {
1443        let ActiveView::Thread { thread, .. } = &self.active_view else {
1444            return;
1445        };
1446
1447        thread.update(cx, |active_thread, cx| {
1448            active_thread.thread().update(cx, |thread, _cx| {
1449                let current_mode = thread.completion_mode();
1450
1451                thread.set_completion_mode(match current_mode {
1452                    CompletionMode::Burn => CompletionMode::Normal,
1453                    CompletionMode::Normal => CompletionMode::Burn,
1454                });
1455            });
1456        });
1457    }
1458
1459    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1460        match &self.active_view {
1461            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1462            _ => None,
1463        }
1464    }
1465
1466    pub(crate) fn delete_context(
1467        &mut self,
1468        path: Arc<Path>,
1469        cx: &mut Context<Self>,
1470    ) -> Task<Result<()>> {
1471        self.context_store
1472            .update(cx, |this, cx| this.delete_local_context(path, cx))
1473    }
1474
1475    fn set_active_view(
1476        &mut self,
1477        new_view: ActiveView,
1478        window: &mut Window,
1479        cx: &mut Context<Self>,
1480    ) {
1481        let current_is_history = matches!(self.active_view, ActiveView::History);
1482        let new_is_history = matches!(new_view, ActiveView::History);
1483
1484        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1485        let new_is_config = matches!(new_view, ActiveView::Configuration);
1486
1487        let current_is_special = current_is_history || current_is_config;
1488        let new_is_special = new_is_history || new_is_config;
1489
1490        match &self.active_view {
1491            ActiveView::Thread { thread, .. } => {
1492                let thread = thread.read(cx);
1493                if thread.is_empty() {
1494                    let id = thread.thread().read(cx).id().clone();
1495                    self.history_store.update(cx, |store, cx| {
1496                        store.remove_recently_opened_thread(id, cx);
1497                    });
1498                }
1499            }
1500            _ => {}
1501        }
1502
1503        match &new_view {
1504            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1505                let id = thread.read(cx).thread().read(cx).id().clone();
1506                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1507            }),
1508            ActiveView::TextThread { context_editor, .. } => {
1509                self.history_store.update(cx, |store, cx| {
1510                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1511                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1512                    }
1513                })
1514            }
1515            ActiveView::ExternalAgentThread { .. } => {}
1516            ActiveView::History | ActiveView::Configuration => {}
1517        }
1518
1519        if current_is_special && !new_is_special {
1520            self.active_view = new_view;
1521        } else if !current_is_special && new_is_special {
1522            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1523        } else {
1524            if !new_is_special {
1525                self.previous_view = None;
1526            }
1527            self.active_view = new_view;
1528        }
1529
1530        self.acp_message_history.borrow_mut().reset_position();
1531
1532        self.focus_handle(cx).focus(window);
1533    }
1534
1535    fn populate_recently_opened_menu_section(
1536        mut menu: ContextMenu,
1537        panel: Entity<Self>,
1538        cx: &mut Context<ContextMenu>,
1539    ) -> ContextMenu {
1540        let entries = panel
1541            .read(cx)
1542            .history_store
1543            .read(cx)
1544            .recently_opened_entries(cx);
1545
1546        if entries.is_empty() {
1547            return menu;
1548        }
1549
1550        menu = menu.header("Recently Opened");
1551
1552        for entry in entries {
1553            let title = entry.title().clone();
1554            let id = entry.id();
1555
1556            menu = menu.entry_with_end_slot_on_hover(
1557                title,
1558                None,
1559                {
1560                    let panel = panel.downgrade();
1561                    let id = id.clone();
1562                    move |window, cx| {
1563                        let id = id.clone();
1564                        panel
1565                            .update(cx, move |this, cx| match id {
1566                                HistoryEntryId::Thread(id) => this
1567                                    .open_thread_by_id(&id, window, cx)
1568                                    .detach_and_log_err(cx),
1569                                HistoryEntryId::Context(path) => this
1570                                    .open_saved_prompt_editor(path.clone(), window, cx)
1571                                    .detach_and_log_err(cx),
1572                            })
1573                            .ok();
1574                    }
1575                },
1576                IconName::Close,
1577                "Close Entry".into(),
1578                {
1579                    let panel = panel.downgrade();
1580                    let id = id.clone();
1581                    move |_window, cx| {
1582                        panel
1583                            .update(cx, |this, cx| {
1584                                this.history_store.update(cx, |history_store, cx| {
1585                                    history_store.remove_recently_opened_entry(&id, cx);
1586                                });
1587                            })
1588                            .ok();
1589                    }
1590                },
1591            );
1592        }
1593
1594        menu = menu.separator();
1595
1596        menu
1597    }
1598}
1599
1600impl Focusable for AgentPanel {
1601    fn focus_handle(&self, cx: &App) -> FocusHandle {
1602        match &self.active_view {
1603            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1604            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1605            ActiveView::History => self.history.focus_handle(cx),
1606            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1607            ActiveView::Configuration => {
1608                if let Some(configuration) = self.configuration.as_ref() {
1609                    configuration.focus_handle(cx)
1610                } else {
1611                    cx.focus_handle()
1612                }
1613            }
1614        }
1615    }
1616}
1617
1618fn agent_panel_dock_position(cx: &App) -> DockPosition {
1619    match AgentSettings::get_global(cx).dock {
1620        AgentDockPosition::Left => DockPosition::Left,
1621        AgentDockPosition::Bottom => DockPosition::Bottom,
1622        AgentDockPosition::Right => DockPosition::Right,
1623    }
1624}
1625
1626impl EventEmitter<PanelEvent> for AgentPanel {}
1627
1628impl Panel for AgentPanel {
1629    fn persistent_name() -> &'static str {
1630        "AgentPanel"
1631    }
1632
1633    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1634        agent_panel_dock_position(cx)
1635    }
1636
1637    fn position_is_valid(&self, position: DockPosition) -> bool {
1638        position != DockPosition::Bottom
1639    }
1640
1641    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1642        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1643            let dock = match position {
1644                DockPosition::Left => AgentDockPosition::Left,
1645                DockPosition::Bottom => AgentDockPosition::Bottom,
1646                DockPosition::Right => AgentDockPosition::Right,
1647            };
1648            settings.set_dock(dock);
1649        });
1650    }
1651
1652    fn size(&self, window: &Window, cx: &App) -> Pixels {
1653        let settings = AgentSettings::get_global(cx);
1654        match self.position(window, cx) {
1655            DockPosition::Left | DockPosition::Right => {
1656                self.width.unwrap_or(settings.default_width)
1657            }
1658            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1659        }
1660    }
1661
1662    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1663        match self.position(window, cx) {
1664            DockPosition::Left | DockPosition::Right => self.width = size,
1665            DockPosition::Bottom => self.height = size,
1666        }
1667        self.serialize(cx);
1668        cx.notify();
1669    }
1670
1671    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1672
1673    fn remote_id() -> Option<proto::PanelId> {
1674        Some(proto::PanelId::AssistantPanel)
1675    }
1676
1677    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1678        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1679    }
1680
1681    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1682        Some("Agent Panel")
1683    }
1684
1685    fn toggle_action(&self) -> Box<dyn Action> {
1686        Box::new(ToggleFocus)
1687    }
1688
1689    fn activation_priority(&self) -> u32 {
1690        3
1691    }
1692
1693    fn enabled(&self, cx: &App) -> bool {
1694        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
1695    }
1696
1697    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1698        self.zoomed
1699    }
1700
1701    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1702        self.zoomed = zoomed;
1703        cx.notify();
1704    }
1705}
1706
1707impl AgentPanel {
1708    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1709        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1710
1711        let content = match &self.active_view {
1712            ActiveView::Thread {
1713                thread: active_thread,
1714                change_title_editor,
1715                ..
1716            } => {
1717                let state = {
1718                    let active_thread = active_thread.read(cx);
1719                    if active_thread.is_empty() {
1720                        &ThreadSummary::Pending
1721                    } else {
1722                        active_thread.summary(cx)
1723                    }
1724                };
1725
1726                match state {
1727                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
1728                        .truncate()
1729                        .into_any_element(),
1730                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1731                        .truncate()
1732                        .into_any_element(),
1733                    ThreadSummary::Ready(_) => div()
1734                        .w_full()
1735                        .child(change_title_editor.clone())
1736                        .into_any_element(),
1737                    ThreadSummary::Error => h_flex()
1738                        .w_full()
1739                        .child(change_title_editor.clone())
1740                        .child(
1741                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1742                                .on_click({
1743                                    let active_thread = active_thread.clone();
1744                                    move |_, _window, cx| {
1745                                        active_thread.update(cx, |thread, cx| {
1746                                            thread.regenerate_summary(cx);
1747                                        });
1748                                    }
1749                                })
1750                                .tooltip(move |_window, cx| {
1751                                    cx.new(|_| {
1752                                        Tooltip::new("Failed to generate title")
1753                                            .meta("Click to try again")
1754                                    })
1755                                    .into()
1756                                }),
1757                        )
1758                        .into_any_element(),
1759                }
1760            }
1761            ActiveView::ExternalAgentThread { thread_view } => {
1762                Label::new(thread_view.read(cx).title(cx))
1763                    .truncate()
1764                    .into_any_element()
1765            }
1766            ActiveView::TextThread {
1767                title_editor,
1768                context_editor,
1769                ..
1770            } => {
1771                let summary = context_editor.read(cx).context().read(cx).summary();
1772
1773                match summary {
1774                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1775                        .truncate()
1776                        .into_any_element(),
1777                    ContextSummary::Content(summary) => {
1778                        if summary.done {
1779                            div()
1780                                .w_full()
1781                                .child(title_editor.clone())
1782                                .into_any_element()
1783                        } else {
1784                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1785                                .truncate()
1786                                .into_any_element()
1787                        }
1788                    }
1789                    ContextSummary::Error => h_flex()
1790                        .w_full()
1791                        .child(title_editor.clone())
1792                        .child(
1793                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1794                                .on_click({
1795                                    let context_editor = context_editor.clone();
1796                                    move |_, _window, cx| {
1797                                        context_editor.update(cx, |context_editor, cx| {
1798                                            context_editor.regenerate_summary(cx);
1799                                        });
1800                                    }
1801                                })
1802                                .tooltip(move |_window, cx| {
1803                                    cx.new(|_| {
1804                                        Tooltip::new("Failed to generate title")
1805                                            .meta("Click to try again")
1806                                    })
1807                                    .into()
1808                                }),
1809                        )
1810                        .into_any_element(),
1811                }
1812            }
1813            ActiveView::History => Label::new("History").truncate().into_any_element(),
1814            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1815        };
1816
1817        h_flex()
1818            .key_context("TitleEditor")
1819            .id("TitleEditor")
1820            .flex_grow()
1821            .w_full()
1822            .max_w_full()
1823            .overflow_x_scroll()
1824            .child(content)
1825            .into_any()
1826    }
1827
1828    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1829        let cloud_user_store = self.cloud_user_store.read(cx);
1830        let usage = cloud_user_store.model_request_usage();
1831
1832        let account_url = zed_urls::account_url(cx);
1833
1834        let focus_handle = self.focus_handle(cx);
1835
1836        let go_back_button = div().child(
1837            IconButton::new("go-back", IconName::ArrowLeft)
1838                .icon_size(IconSize::Small)
1839                .on_click(cx.listener(|this, _, window, cx| {
1840                    this.go_back(&workspace::GoBack, window, cx);
1841                }))
1842                .tooltip({
1843                    let focus_handle = focus_handle.clone();
1844                    move |window, cx| {
1845                        Tooltip::for_action_in(
1846                            "Go Back",
1847                            &workspace::GoBack,
1848                            &focus_handle,
1849                            window,
1850                            cx,
1851                        )
1852                    }
1853                }),
1854        );
1855
1856        let recent_entries_menu = div().child(
1857            PopoverMenu::new("agent-nav-menu")
1858                .trigger_with_tooltip(
1859                    IconButton::new("agent-nav-menu", IconName::MenuAlt)
1860                        .icon_size(IconSize::Small)
1861                        .style(ui::ButtonStyle::Subtle),
1862                    {
1863                        let focus_handle = focus_handle.clone();
1864                        move |window, cx| {
1865                            Tooltip::for_action_in(
1866                                "Toggle Panel Menu",
1867                                &ToggleNavigationMenu,
1868                                &focus_handle,
1869                                window,
1870                                cx,
1871                            )
1872                        }
1873                    },
1874                )
1875                .anchor(Corner::TopLeft)
1876                .with_handle(self.assistant_navigation_menu_handle.clone())
1877                .menu({
1878                    let menu = self.assistant_navigation_menu.clone();
1879                    move |window, cx| {
1880                        if let Some(menu) = menu.as_ref() {
1881                            menu.update(cx, |_, cx| {
1882                                cx.defer_in(window, |menu, window, cx| {
1883                                    menu.rebuild(window, cx);
1884                                });
1885                            })
1886                        }
1887                        menu.clone()
1888                    }
1889                }),
1890        );
1891
1892        let zoom_in_label = if self.is_zoomed(window, cx) {
1893            "Zoom Out"
1894        } else {
1895            "Zoom In"
1896        };
1897
1898        let active_thread = match &self.active_view {
1899            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1900            ActiveView::ExternalAgentThread { .. }
1901            | ActiveView::TextThread { .. }
1902            | ActiveView::History
1903            | ActiveView::Configuration => None,
1904        };
1905
1906        let new_thread_menu = PopoverMenu::new("new_thread_menu")
1907            .trigger_with_tooltip(
1908                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
1909                Tooltip::text("New Thread…"),
1910            )
1911            .anchor(Corner::TopRight)
1912            .with_handle(self.new_thread_menu_handle.clone())
1913            .menu({
1914                let focus_handle = focus_handle.clone();
1915                move |window, cx| {
1916                    let active_thread = active_thread.clone();
1917                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
1918                        menu = menu
1919                            .context(focus_handle.clone())
1920                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
1921                                this.header("Zed Agent")
1922                            })
1923                            .item(
1924                                ContextMenuEntry::new("New Thread")
1925                                    .icon(IconName::NewThread)
1926                                    .icon_color(Color::Muted)
1927                                    .action(NewThread::default().boxed_clone())
1928                                    .handler(move |window, cx| {
1929                                        window.dispatch_action(
1930                                            NewThread::default().boxed_clone(),
1931                                            cx,
1932                                        );
1933                                    }),
1934                            )
1935                            .item(
1936                                ContextMenuEntry::new("New Text Thread")
1937                                    .icon(IconName::NewTextThread)
1938                                    .icon_color(Color::Muted)
1939                                    .action(NewTextThread.boxed_clone())
1940                                    .handler(move |window, cx| {
1941                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
1942                                    }),
1943                            )
1944                            .when_some(active_thread, |this, active_thread| {
1945                                let thread = active_thread.read(cx);
1946
1947                                if !thread.is_empty() {
1948                                    let thread_id = thread.id().clone();
1949                                    this.item(
1950                                        ContextMenuEntry::new("New From Summary")
1951                                            .icon(IconName::NewFromSummary)
1952                                            .icon_color(Color::Muted)
1953                                            .handler(move |window, cx| {
1954                                                window.dispatch_action(
1955                                                    Box::new(NewThread {
1956                                                        from_thread_id: Some(thread_id.clone()),
1957                                                    }),
1958                                                    cx,
1959                                                );
1960                                            }),
1961                                    )
1962                                } else {
1963                                    this
1964                                }
1965                            })
1966                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
1967                                this.separator()
1968                                    .header("External Agents")
1969                                    .item(
1970                                        ContextMenuEntry::new("New Gemini Thread")
1971                                            .icon(IconName::AiGemini)
1972                                            .icon_color(Color::Muted)
1973                                            .handler(move |window, cx| {
1974                                                window.dispatch_action(
1975                                                    NewExternalAgentThread {
1976                                                        agent: Some(crate::ExternalAgent::Gemini),
1977                                                    }
1978                                                    .boxed_clone(),
1979                                                    cx,
1980                                                );
1981                                            }),
1982                                    )
1983                                    .item(
1984                                        ContextMenuEntry::new("New Claude Code Thread")
1985                                            .icon(IconName::AiClaude)
1986                                            .icon_color(Color::Muted)
1987                                            .handler(move |window, cx| {
1988                                                window.dispatch_action(
1989                                                    NewExternalAgentThread {
1990                                                        agent: Some(
1991                                                            crate::ExternalAgent::ClaudeCode,
1992                                                        ),
1993                                                    }
1994                                                    .boxed_clone(),
1995                                                    cx,
1996                                                );
1997                                            }),
1998                                    )
1999                                    .item(
2000                                        ContextMenuEntry::new("New Codex Thread")
2001                                            .icon(IconName::AiOpenAi)
2002                                            .icon_color(Color::Muted)
2003                                            .handler(move |window, cx| {
2004                                                window.dispatch_action(
2005                                                    NewExternalAgentThread {
2006                                                        agent: Some(crate::ExternalAgent::Codex),
2007                                                    }
2008                                                    .boxed_clone(),
2009                                                    cx,
2010                                                );
2011                                            }),
2012                                    )
2013                            });
2014                        menu
2015                    }))
2016                }
2017            });
2018
2019        let agent_panel_menu = PopoverMenu::new("agent-options-menu")
2020            .trigger_with_tooltip(
2021                IconButton::new("agent-options-menu", IconName::Ellipsis)
2022                    .icon_size(IconSize::Small),
2023                {
2024                    let focus_handle = focus_handle.clone();
2025                    move |window, cx| {
2026                        Tooltip::for_action_in(
2027                            "Toggle Agent Menu",
2028                            &ToggleOptionsMenu,
2029                            &focus_handle,
2030                            window,
2031                            cx,
2032                        )
2033                    }
2034                },
2035            )
2036            .anchor(Corner::TopRight)
2037            .with_handle(self.agent_panel_menu_handle.clone())
2038            .menu({
2039                let focus_handle = focus_handle.clone();
2040                move |window, cx| {
2041                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
2042                        menu = menu.context(focus_handle.clone());
2043                        if let Some(usage) = usage {
2044                            menu = menu
2045                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
2046                                .custom_entry(
2047                                    move |_window, cx| {
2048                                        let used_percentage = match usage.limit {
2049                                            UsageLimit::Limited(limit) => {
2050                                                Some((usage.amount as f32 / limit as f32) * 100.)
2051                                            }
2052                                            UsageLimit::Unlimited => None,
2053                                        };
2054
2055                                        h_flex()
2056                                            .flex_1()
2057                                            .gap_1p5()
2058                                            .children(used_percentage.map(|percent| {
2059                                                ProgressBar::new("usage", percent, 100., cx)
2060                                            }))
2061                                            .child(
2062                                                Label::new(match usage.limit {
2063                                                    UsageLimit::Limited(limit) => {
2064                                                        format!("{} / {limit}", usage.amount)
2065                                                    }
2066                                                    UsageLimit::Unlimited => {
2067                                                        format!("{} / ∞", usage.amount)
2068                                                    }
2069                                                })
2070                                                .size(LabelSize::Small)
2071                                                .color(Color::Muted),
2072                                            )
2073                                            .into_any_element()
2074                                    },
2075                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
2076                                )
2077                                .separator()
2078                        }
2079
2080                        menu = menu
2081                            .header("MCP Servers")
2082                            .action(
2083                                "View Server Extensions",
2084                                Box::new(zed_actions::Extensions {
2085                                    category_filter: Some(
2086                                        zed_actions::ExtensionCategoryFilter::ContextServers,
2087                                    ),
2088                                    id: None,
2089                                }),
2090                            )
2091                            .action("Add Custom Server…", Box::new(AddContextServer))
2092                            .separator();
2093
2094                        menu = menu
2095                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
2096                            .action("Settings", Box::new(OpenSettings))
2097                            .action(zoom_in_label, Box::new(ToggleZoom));
2098                        menu
2099                    }))
2100                }
2101            });
2102
2103        h_flex()
2104            .id("assistant-toolbar")
2105            .h(Tab::container_height(cx))
2106            .max_w_full()
2107            .flex_none()
2108            .justify_between()
2109            .gap_2()
2110            .bg(cx.theme().colors().tab_bar_background)
2111            .border_b_1()
2112            .border_color(cx.theme().colors().border)
2113            .child(
2114                h_flex()
2115                    .size_full()
2116                    .pl_1()
2117                    .gap_1()
2118                    .child(match &self.active_view {
2119                        ActiveView::History | ActiveView::Configuration => go_back_button,
2120                        _ => recent_entries_menu,
2121                    })
2122                    .child(self.render_title_view(window, cx)),
2123            )
2124            .child(
2125                h_flex()
2126                    .h_full()
2127                    .gap_2()
2128                    .children(self.render_token_count(cx))
2129                    .child(
2130                        h_flex()
2131                            .h_full()
2132                            .gap(DynamicSpacing::Base02.rems(cx))
2133                            .px(DynamicSpacing::Base08.rems(cx))
2134                            .border_l_1()
2135                            .border_color(cx.theme().colors().border)
2136                            .child(new_thread_menu)
2137                            .child(agent_panel_menu),
2138                    ),
2139            )
2140    }
2141
2142    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2143        match &self.active_view {
2144            ActiveView::Thread {
2145                thread,
2146                message_editor,
2147                ..
2148            } => {
2149                let active_thread = thread.read(cx);
2150                let message_editor = message_editor.read(cx);
2151
2152                let editor_empty = message_editor.is_editor_fully_empty(cx);
2153
2154                if active_thread.is_empty() && editor_empty {
2155                    return None;
2156                }
2157
2158                let thread = active_thread.thread().read(cx);
2159                let is_generating = thread.is_generating();
2160                let conversation_token_usage = thread.total_token_usage()?;
2161
2162                let (total_token_usage, is_estimating) =
2163                    if let Some((editing_message_id, unsent_tokens)) =
2164                        active_thread.editing_message_id()
2165                    {
2166                        let combined = thread
2167                            .token_usage_up_to_message(editing_message_id)
2168                            .add(unsent_tokens);
2169
2170                        (combined, unsent_tokens > 0)
2171                    } else {
2172                        let unsent_tokens =
2173                            message_editor.last_estimated_token_count().unwrap_or(0);
2174                        let combined = conversation_token_usage.add(unsent_tokens);
2175
2176                        (combined, unsent_tokens > 0)
2177                    };
2178
2179                let is_waiting_to_update_token_count =
2180                    message_editor.is_waiting_to_update_token_count();
2181
2182                if total_token_usage.total == 0 {
2183                    return None;
2184                }
2185
2186                let token_color = match total_token_usage.ratio() {
2187                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2188                    TokenUsageRatio::Normal => Color::Muted,
2189                    TokenUsageRatio::Warning => Color::Warning,
2190                    TokenUsageRatio::Exceeded => Color::Error,
2191                };
2192
2193                let token_count = h_flex()
2194                    .id("token-count")
2195                    .flex_shrink_0()
2196                    .gap_0p5()
2197                    .when(!is_generating && is_estimating, |parent| {
2198                        parent
2199                            .child(
2200                                h_flex()
2201                                    .mr_1()
2202                                    .size_2p5()
2203                                    .justify_center()
2204                                    .rounded_full()
2205                                    .bg(cx.theme().colors().text.opacity(0.1))
2206                                    .child(
2207                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2208                                    ),
2209                            )
2210                            .tooltip(move |window, cx| {
2211                                Tooltip::with_meta(
2212                                    "Estimated New Token Count",
2213                                    None,
2214                                    format!(
2215                                        "Current Conversation Tokens: {}",
2216                                        humanize_token_count(conversation_token_usage.total)
2217                                    ),
2218                                    window,
2219                                    cx,
2220                                )
2221                            })
2222                    })
2223                    .child(
2224                        Label::new(humanize_token_count(total_token_usage.total))
2225                            .size(LabelSize::Small)
2226                            .color(token_color)
2227                            .map(|label| {
2228                                if is_generating || is_waiting_to_update_token_count {
2229                                    label
2230                                        .with_animation(
2231                                            "used-tokens-label",
2232                                            Animation::new(Duration::from_secs(2))
2233                                                .repeat()
2234                                                .with_easing(pulsating_between(0.6, 1.)),
2235                                            |label, delta| label.alpha(delta),
2236                                        )
2237                                        .into_any()
2238                                } else {
2239                                    label.into_any_element()
2240                                }
2241                            }),
2242                    )
2243                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2244                    .child(
2245                        Label::new(humanize_token_count(total_token_usage.max))
2246                            .size(LabelSize::Small)
2247                            .color(Color::Muted),
2248                    )
2249                    .into_any();
2250
2251                Some(token_count)
2252            }
2253            ActiveView::TextThread { context_editor, .. } => {
2254                let element = render_remaining_tokens(context_editor, cx)?;
2255
2256                Some(element.into_any_element())
2257            }
2258            ActiveView::ExternalAgentThread { .. }
2259            | ActiveView::History
2260            | ActiveView::Configuration => {
2261                return None;
2262            }
2263        }
2264    }
2265
2266    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2267        if TrialEndUpsell::dismissed() {
2268            return false;
2269        }
2270
2271        match &self.active_view {
2272            ActiveView::Thread { thread, .. } => {
2273                if thread
2274                    .read(cx)
2275                    .thread()
2276                    .read(cx)
2277                    .configured_model()
2278                    .map_or(false, |model| {
2279                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2280                    })
2281                {
2282                    return false;
2283                }
2284            }
2285            ActiveView::TextThread { .. } => {
2286                if LanguageModelRegistry::global(cx)
2287                    .read(cx)
2288                    .default_model()
2289                    .map_or(false, |model| {
2290                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2291                    })
2292                {
2293                    return false;
2294                }
2295            }
2296            ActiveView::ExternalAgentThread { .. }
2297            | ActiveView::History
2298            | ActiveView::Configuration => return false,
2299        }
2300
2301        let plan = self.user_store.read(cx).current_plan();
2302        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2303
2304        matches!(plan, Some(Plan::Free)) && has_previous_trial
2305    }
2306
2307    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2308        if OnboardingUpsell::dismissed() {
2309            return false;
2310        }
2311
2312        match &self.active_view {
2313            ActiveView::Thread { .. } | ActiveView::TextThread { .. } => {
2314                let history_is_empty = self
2315                    .history_store
2316                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2317
2318                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2319                    .providers()
2320                    .iter()
2321                    .any(|provider| {
2322                        provider.is_authenticated(cx)
2323                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2324                    });
2325
2326                history_is_empty || !has_configured_non_zed_providers
2327            }
2328            ActiveView::ExternalAgentThread { .. }
2329            | ActiveView::History
2330            | ActiveView::Configuration => false,
2331        }
2332    }
2333
2334    fn render_onboarding(
2335        &self,
2336        _window: &mut Window,
2337        cx: &mut Context<Self>,
2338    ) -> Option<impl IntoElement> {
2339        if !self.should_render_onboarding(cx) {
2340            return None;
2341        }
2342
2343        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
2344        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2345
2346        Some(
2347            div()
2348                .when(thread_view, |this| {
2349                    this.size_full().bg(cx.theme().colors().panel_background)
2350                })
2351                .when(text_thread_view, |this| {
2352                    this.bg(cx.theme().colors().editor_background)
2353                })
2354                .child(self.onboarding.clone()),
2355        )
2356    }
2357
2358    fn render_trial_end_upsell(
2359        &self,
2360        _window: &mut Window,
2361        cx: &mut Context<Self>,
2362    ) -> Option<impl IntoElement> {
2363        if !self.should_render_trial_end_upsell(cx) {
2364            return None;
2365        }
2366
2367        Some(EndTrialUpsell::new(Arc::new({
2368            let this = cx.entity();
2369            move |_, cx| {
2370                this.update(cx, |_this, cx| {
2371                    TrialEndUpsell::set_dismissed(true, cx);
2372                    cx.notify();
2373                });
2374            }
2375        })))
2376    }
2377
2378    fn render_empty_state_section_header(
2379        &self,
2380        label: impl Into<SharedString>,
2381        action_slot: Option<AnyElement>,
2382        cx: &mut Context<Self>,
2383    ) -> impl IntoElement {
2384        h_flex()
2385            .mt_2()
2386            .pl_1p5()
2387            .pb_1()
2388            .w_full()
2389            .justify_between()
2390            .border_b_1()
2391            .border_color(cx.theme().colors().border_variant)
2392            .child(
2393                Label::new(label.into())
2394                    .size(LabelSize::Small)
2395                    .color(Color::Muted),
2396            )
2397            .children(action_slot)
2398    }
2399
2400    fn render_thread_empty_state(
2401        &self,
2402        window: &mut Window,
2403        cx: &mut Context<Self>,
2404    ) -> impl IntoElement {
2405        let recent_history = self
2406            .history_store
2407            .update(cx, |this, cx| this.recent_entries(6, cx));
2408
2409        let model_registry = LanguageModelRegistry::read_global(cx);
2410
2411        let configuration_error =
2412            model_registry.configuration_error(model_registry.default_model(), cx);
2413
2414        let no_error = configuration_error.is_none();
2415        let focus_handle = self.focus_handle(cx);
2416
2417        v_flex()
2418            .size_full()
2419            .bg(cx.theme().colors().panel_background)
2420            .when(recent_history.is_empty(), |this| {
2421                this.child(
2422                    v_flex()
2423                        .size_full()
2424                        .mx_auto()
2425                        .justify_center()
2426                        .items_center()
2427                        .gap_1()
2428                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2429                        .when(no_error, |parent| {
2430                            parent
2431                                .child(h_flex().child(
2432                                    Label::new("Ask and build anything.").color(Color::Muted),
2433                                ))
2434                                .child(
2435                                    v_flex()
2436                                        .mt_2()
2437                                        .gap_1()
2438                                        .max_w_48()
2439                                        .child(
2440                                            Button::new("context", "Add Context")
2441                                                .label_size(LabelSize::Small)
2442                                                .icon(IconName::FileCode)
2443                                                .icon_position(IconPosition::Start)
2444                                                .icon_size(IconSize::Small)
2445                                                .icon_color(Color::Muted)
2446                                                .full_width()
2447                                                .key_binding(KeyBinding::for_action_in(
2448                                                    &ToggleContextPicker,
2449                                                    &focus_handle,
2450                                                    window,
2451                                                    cx,
2452                                                ))
2453                                                .on_click(|_event, window, cx| {
2454                                                    window.dispatch_action(
2455                                                        ToggleContextPicker.boxed_clone(),
2456                                                        cx,
2457                                                    )
2458                                                }),
2459                                        )
2460                                        .child(
2461                                            Button::new("mode", "Switch Model")
2462                                                .label_size(LabelSize::Small)
2463                                                .icon(IconName::DatabaseZap)
2464                                                .icon_position(IconPosition::Start)
2465                                                .icon_size(IconSize::Small)
2466                                                .icon_color(Color::Muted)
2467                                                .full_width()
2468                                                .key_binding(KeyBinding::for_action_in(
2469                                                    &ToggleModelSelector,
2470                                                    &focus_handle,
2471                                                    window,
2472                                                    cx,
2473                                                ))
2474                                                .on_click(|_event, window, cx| {
2475                                                    window.dispatch_action(
2476                                                        ToggleModelSelector.boxed_clone(),
2477                                                        cx,
2478                                                    )
2479                                                }),
2480                                        )
2481                                        .child(
2482                                            Button::new("settings", "View Settings")
2483                                                .label_size(LabelSize::Small)
2484                                                .icon(IconName::Settings)
2485                                                .icon_position(IconPosition::Start)
2486                                                .icon_size(IconSize::Small)
2487                                                .icon_color(Color::Muted)
2488                                                .full_width()
2489                                                .key_binding(KeyBinding::for_action_in(
2490                                                    &OpenSettings,
2491                                                    &focus_handle,
2492                                                    window,
2493                                                    cx,
2494                                                ))
2495                                                .on_click(|_event, window, cx| {
2496                                                    window.dispatch_action(
2497                                                        OpenSettings.boxed_clone(),
2498                                                        cx,
2499                                                    )
2500                                                }),
2501                                        ),
2502                                )
2503                        })
2504                        .when_some(configuration_error.as_ref(), |this, err| {
2505                            this.child(self.render_configuration_error(
2506                                err,
2507                                &focus_handle,
2508                                window,
2509                                cx,
2510                            ))
2511                        }),
2512                )
2513            })
2514            .when(!recent_history.is_empty(), |parent| {
2515                let focus_handle = focus_handle.clone();
2516                parent
2517                    .overflow_hidden()
2518                    .p_1p5()
2519                    .justify_end()
2520                    .gap_1()
2521                    .child(
2522                        self.render_empty_state_section_header(
2523                            "Recent",
2524                            Some(
2525                                Button::new("view-history", "View All")
2526                                    .style(ButtonStyle::Subtle)
2527                                    .label_size(LabelSize::Small)
2528                                    .key_binding(
2529                                        KeyBinding::for_action_in(
2530                                            &OpenHistory,
2531                                            &self.focus_handle(cx),
2532                                            window,
2533                                            cx,
2534                                        )
2535                                        .map(|kb| kb.size(rems_from_px(12.))),
2536                                    )
2537                                    .on_click(move |_event, window, cx| {
2538                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2539                                    })
2540                                    .into_any_element(),
2541                            ),
2542                            cx,
2543                        ),
2544                    )
2545                    .child(
2546                        v_flex()
2547                            .gap_1()
2548                            .children(recent_history.into_iter().enumerate().map(
2549                                |(index, entry)| {
2550                                    // TODO: Add keyboard navigation.
2551                                    let is_hovered =
2552                                        self.hovered_recent_history_item == Some(index);
2553                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2554                                        .hovered(is_hovered)
2555                                        .on_hover(cx.listener(
2556                                            move |this, is_hovered, _window, cx| {
2557                                                if *is_hovered {
2558                                                    this.hovered_recent_history_item = Some(index);
2559                                                } else if this.hovered_recent_history_item
2560                                                    == Some(index)
2561                                                {
2562                                                    this.hovered_recent_history_item = None;
2563                                                }
2564                                                cx.notify();
2565                                            },
2566                                        ))
2567                                        .into_any_element()
2568                                },
2569                            )),
2570                    )
2571                    .child(self.render_empty_state_section_header("Start", None, cx))
2572                    .child(
2573                        v_flex()
2574                            .p_1()
2575                            .gap_2()
2576                            .child(
2577                                h_flex()
2578                                    .w_full()
2579                                    .gap_2()
2580                                    .child(
2581                                        NewThreadButton::new(
2582                                            "new-thread-btn",
2583                                            "New Thread",
2584                                            IconName::NewThread,
2585                                        )
2586                                        .keybinding(KeyBinding::for_action_in(
2587                                            &NewThread::default(),
2588                                            &self.focus_handle(cx),
2589                                            window,
2590                                            cx,
2591                                        ))
2592                                        .on_click(
2593                                            |window, cx| {
2594                                                window.dispatch_action(
2595                                                    NewThread::default().boxed_clone(),
2596                                                    cx,
2597                                                )
2598                                            },
2599                                        ),
2600                                    )
2601                                    .child(
2602                                        NewThreadButton::new(
2603                                            "new-text-thread-btn",
2604                                            "New Text Thread",
2605                                            IconName::NewTextThread,
2606                                        )
2607                                        .keybinding(KeyBinding::for_action_in(
2608                                            &NewTextThread,
2609                                            &self.focus_handle(cx),
2610                                            window,
2611                                            cx,
2612                                        ))
2613                                        .on_click(
2614                                            |window, cx| {
2615                                                window.dispatch_action(Box::new(NewTextThread), cx)
2616                                            },
2617                                        ),
2618                                    ),
2619                            )
2620                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
2621                                this.child(
2622                                    h_flex()
2623                                        .w_full()
2624                                        .gap_2()
2625                                        .child(
2626                                            NewThreadButton::new(
2627                                                "new-gemini-thread-btn",
2628                                                "New Gemini Thread",
2629                                                IconName::AiGemini,
2630                                            )
2631                                            // .keybinding(KeyBinding::for_action_in(
2632                                            //     &OpenHistory,
2633                                            //     &self.focus_handle(cx),
2634                                            //     window,
2635                                            //     cx,
2636                                            // ))
2637                                            .on_click(
2638                                                |window, cx| {
2639                                                    window.dispatch_action(
2640                                                        Box::new(NewExternalAgentThread {
2641                                                            agent: Some(
2642                                                                crate::ExternalAgent::Gemini,
2643                                                            ),
2644                                                        }),
2645                                                        cx,
2646                                                    )
2647                                                },
2648                                            ),
2649                                        )
2650                                        .child(
2651                                            NewThreadButton::new(
2652                                                "new-claude-thread-btn",
2653                                                "New Claude Code Thread",
2654                                                IconName::AiClaude,
2655                                            )
2656                                            // .keybinding(KeyBinding::for_action_in(
2657                                            //     &OpenHistory,
2658                                            //     &self.focus_handle(cx),
2659                                            //     window,
2660                                            //     cx,
2661                                            // ))
2662                                            .on_click(
2663                                                |window, cx| {
2664                                                    window.dispatch_action(
2665                                                        Box::new(NewExternalAgentThread {
2666                                                            agent: Some(
2667                                                                crate::ExternalAgent::ClaudeCode,
2668                                                            ),
2669                                                        }),
2670                                                        cx,
2671                                                    )
2672                                                },
2673                                            ),
2674                                        )
2675                                        .child(
2676                                            NewThreadButton::new(
2677                                                "new-codex-thread-btn",
2678                                                "New Codex Thread",
2679                                                IconName::AiOpenAi,
2680                                            )
2681                                            .on_click(
2682                                                |window, cx| {
2683                                                    window.dispatch_action(
2684                                                        Box::new(NewExternalAgentThread {
2685                                                            agent: Some(
2686                                                                crate::ExternalAgent::Codex,
2687                                                            ),
2688                                                        }),
2689                                                        cx,
2690                                                    )
2691                                                },
2692                                            ),
2693                                        ),
2694                                )
2695                            }),
2696                    )
2697                    .when_some(configuration_error.as_ref(), |this, err| {
2698                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
2699                    })
2700            })
2701    }
2702
2703    fn render_configuration_error(
2704        &self,
2705        configuration_error: &ConfigurationError,
2706        focus_handle: &FocusHandle,
2707        window: &mut Window,
2708        cx: &mut App,
2709    ) -> impl IntoElement {
2710        match configuration_error {
2711            ConfigurationError::ModelNotFound
2712            | ConfigurationError::ProviderNotAuthenticated(_)
2713            | ConfigurationError::NoProvider => Banner::new()
2714                .severity(ui::Severity::Warning)
2715                .child(Label::new(configuration_error.to_string()))
2716                .action_slot(
2717                    Button::new("settings", "Configure Provider")
2718                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2719                        .label_size(LabelSize::Small)
2720                        .key_binding(
2721                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
2722                                .map(|kb| kb.size(rems_from_px(12.))),
2723                        )
2724                        .on_click(|_event, window, cx| {
2725                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2726                        }),
2727                ),
2728            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
2729                Banner::new().severity(ui::Severity::Warning).child(
2730                    h_flex().w_full().children(
2731                        provider.render_accept_terms(
2732                            LanguageModelProviderTosView::ThreadEmptyState,
2733                            cx,
2734                        ),
2735                    ),
2736                )
2737            }
2738        }
2739    }
2740
2741    fn render_tool_use_limit_reached(
2742        &self,
2743        window: &mut Window,
2744        cx: &mut Context<Self>,
2745    ) -> Option<AnyElement> {
2746        let active_thread = match &self.active_view {
2747            ActiveView::Thread { thread, .. } => thread,
2748            ActiveView::ExternalAgentThread { .. } => {
2749                return None;
2750            }
2751            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2752                return None;
2753            }
2754        };
2755
2756        let thread = active_thread.read(cx).thread().read(cx);
2757
2758        let tool_use_limit_reached = thread.tool_use_limit_reached();
2759        if !tool_use_limit_reached {
2760            return None;
2761        }
2762
2763        let model = thread.configured_model()?.model;
2764
2765        let focus_handle = self.focus_handle(cx);
2766
2767        let banner = Banner::new()
2768            .severity(ui::Severity::Info)
2769            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
2770            .action_slot(
2771                h_flex()
2772                    .gap_1()
2773                    .child(
2774                        Button::new("continue-conversation", "Continue")
2775                            .layer(ElevationIndex::ModalSurface)
2776                            .label_size(LabelSize::Small)
2777                            .key_binding(
2778                                KeyBinding::for_action_in(
2779                                    &ContinueThread,
2780                                    &focus_handle,
2781                                    window,
2782                                    cx,
2783                                )
2784                                .map(|kb| kb.size(rems_from_px(10.))),
2785                            )
2786                            .on_click(cx.listener(|this, _, window, cx| {
2787                                this.continue_conversation(window, cx);
2788                            })),
2789                    )
2790                    .when(model.supports_burn_mode(), |this| {
2791                        this.child(
2792                            Button::new("continue-burn-mode", "Continue with Burn Mode")
2793                                .style(ButtonStyle::Filled)
2794                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2795                                .layer(ElevationIndex::ModalSurface)
2796                                .label_size(LabelSize::Small)
2797                                .key_binding(
2798                                    KeyBinding::for_action_in(
2799                                        &ContinueWithBurnMode,
2800                                        &focus_handle,
2801                                        window,
2802                                        cx,
2803                                    )
2804                                    .map(|kb| kb.size(rems_from_px(10.))),
2805                                )
2806                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
2807                                .on_click({
2808                                    let active_thread = active_thread.clone();
2809                                    cx.listener(move |this, _, window, cx| {
2810                                        active_thread.update(cx, |active_thread, cx| {
2811                                            active_thread.thread().update(cx, |thread, _cx| {
2812                                                thread.set_completion_mode(CompletionMode::Burn);
2813                                            });
2814                                        });
2815                                        this.continue_conversation(window, cx);
2816                                    })
2817                                }),
2818                        )
2819                    }),
2820            );
2821
2822        Some(div().px_2().pb_2().child(banner).into_any_element())
2823    }
2824
2825    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2826        let message = message.into();
2827
2828        IconButton::new("copy", IconName::Copy)
2829            .icon_size(IconSize::Small)
2830            .icon_color(Color::Muted)
2831            .tooltip(Tooltip::text("Copy Error Message"))
2832            .on_click(move |_, _, cx| {
2833                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
2834            })
2835    }
2836
2837    fn dismiss_error_button(
2838        &self,
2839        thread: &Entity<ActiveThread>,
2840        cx: &mut Context<Self>,
2841    ) -> impl IntoElement {
2842        IconButton::new("dismiss", IconName::Close)
2843            .icon_size(IconSize::Small)
2844            .icon_color(Color::Muted)
2845            .tooltip(Tooltip::text("Dismiss Error"))
2846            .on_click(cx.listener({
2847                let thread = thread.clone();
2848                move |_, _, _, cx| {
2849                    thread.update(cx, |this, _cx| {
2850                        this.clear_last_error();
2851                    });
2852
2853                    cx.notify();
2854                }
2855            }))
2856    }
2857
2858    fn upgrade_button(
2859        &self,
2860        thread: &Entity<ActiveThread>,
2861        cx: &mut Context<Self>,
2862    ) -> impl IntoElement {
2863        Button::new("upgrade", "Upgrade")
2864            .label_size(LabelSize::Small)
2865            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2866            .on_click(cx.listener({
2867                let thread = thread.clone();
2868                move |_, _, _, cx| {
2869                    thread.update(cx, |this, _cx| {
2870                        this.clear_last_error();
2871                    });
2872
2873                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
2874                    cx.notify();
2875                }
2876            }))
2877    }
2878
2879    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
2880        cx.theme().status().error.opacity(0.08)
2881    }
2882
2883    fn render_payment_required_error(
2884        &self,
2885        thread: &Entity<ActiveThread>,
2886        cx: &mut Context<Self>,
2887    ) -> AnyElement {
2888        const ERROR_MESSAGE: &str =
2889            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
2890
2891        let icon = Icon::new(IconName::XCircle)
2892            .size(IconSize::Small)
2893            .color(Color::Error);
2894
2895        div()
2896            .border_t_1()
2897            .border_color(cx.theme().colors().border)
2898            .child(
2899                Callout::new()
2900                    .icon(icon)
2901                    .title("Free Usage Exceeded")
2902                    .description(ERROR_MESSAGE)
2903                    .tertiary_action(self.upgrade_button(thread, cx))
2904                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
2905                    .primary_action(self.dismiss_error_button(thread, cx))
2906                    .bg_color(self.error_callout_bg(cx)),
2907            )
2908            .into_any_element()
2909    }
2910
2911    fn render_model_request_limit_reached_error(
2912        &self,
2913        plan: Plan,
2914        thread: &Entity<ActiveThread>,
2915        cx: &mut Context<Self>,
2916    ) -> AnyElement {
2917        let error_message = match plan {
2918            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
2919            Plan::ZedProTrial | Plan::Free => "Upgrade to Zed Pro for more prompts.",
2920        };
2921
2922        let icon = Icon::new(IconName::XCircle)
2923            .size(IconSize::Small)
2924            .color(Color::Error);
2925
2926        div()
2927            .border_t_1()
2928            .border_color(cx.theme().colors().border)
2929            .child(
2930                Callout::new()
2931                    .icon(icon)
2932                    .title("Model Prompt Limit Reached")
2933                    .description(error_message)
2934                    .tertiary_action(self.upgrade_button(thread, cx))
2935                    .secondary_action(self.create_copy_button(error_message))
2936                    .primary_action(self.dismiss_error_button(thread, cx))
2937                    .bg_color(self.error_callout_bg(cx)),
2938            )
2939            .into_any_element()
2940    }
2941
2942    fn render_error_message(
2943        &self,
2944        header: SharedString,
2945        message: SharedString,
2946        thread: &Entity<ActiveThread>,
2947        cx: &mut Context<Self>,
2948    ) -> AnyElement {
2949        let message_with_header = format!("{}\n{}", header, message);
2950
2951        let icon = Icon::new(IconName::XCircle)
2952            .size(IconSize::Small)
2953            .color(Color::Error);
2954
2955        let retry_button = Button::new("retry", "Retry")
2956            .icon(IconName::RotateCw)
2957            .icon_position(IconPosition::Start)
2958            .icon_size(IconSize::Small)
2959            .label_size(LabelSize::Small)
2960            .on_click({
2961                let thread = thread.clone();
2962                move |_, window, cx| {
2963                    thread.update(cx, |thread, cx| {
2964                        thread.clear_last_error();
2965                        thread.thread().update(cx, |thread, cx| {
2966                            thread.retry_last_completion(Some(window.window_handle()), cx);
2967                        });
2968                    });
2969                }
2970            });
2971
2972        div()
2973            .border_t_1()
2974            .border_color(cx.theme().colors().border)
2975            .child(
2976                Callout::new()
2977                    .icon(icon)
2978                    .title(header)
2979                    .description(message.clone())
2980                    .primary_action(retry_button)
2981                    .secondary_action(self.dismiss_error_button(thread, cx))
2982                    .tertiary_action(self.create_copy_button(message_with_header))
2983                    .bg_color(self.error_callout_bg(cx)),
2984            )
2985            .into_any_element()
2986    }
2987
2988    fn render_retryable_error(
2989        &self,
2990        message: SharedString,
2991        can_enable_burn_mode: bool,
2992        thread: &Entity<ActiveThread>,
2993        cx: &mut Context<Self>,
2994    ) -> AnyElement {
2995        let icon = Icon::new(IconName::XCircle)
2996            .size(IconSize::Small)
2997            .color(Color::Error);
2998
2999        let retry_button = Button::new("retry", "Retry")
3000            .icon(IconName::RotateCw)
3001            .icon_position(IconPosition::Start)
3002            .icon_size(IconSize::Small)
3003            .label_size(LabelSize::Small)
3004            .on_click({
3005                let thread = thread.clone();
3006                move |_, window, cx| {
3007                    thread.update(cx, |thread, cx| {
3008                        thread.clear_last_error();
3009                        thread.thread().update(cx, |thread, cx| {
3010                            thread.retry_last_completion(Some(window.window_handle()), cx);
3011                        });
3012                    });
3013                }
3014            });
3015
3016        let mut callout = Callout::new()
3017            .icon(icon)
3018            .title("Error")
3019            .description(message.clone())
3020            .bg_color(self.error_callout_bg(cx))
3021            .primary_action(retry_button);
3022
3023        if can_enable_burn_mode {
3024            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3025                .icon(IconName::ZedBurnMode)
3026                .icon_position(IconPosition::Start)
3027                .icon_size(IconSize::Small)
3028                .label_size(LabelSize::Small)
3029                .on_click({
3030                    let thread = thread.clone();
3031                    move |_, window, cx| {
3032                        thread.update(cx, |thread, cx| {
3033                            thread.clear_last_error();
3034                            thread.thread().update(cx, |thread, cx| {
3035                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
3036                            });
3037                        });
3038                    }
3039                });
3040            callout = callout.secondary_action(burn_mode_button);
3041        }
3042
3043        div()
3044            .border_t_1()
3045            .border_color(cx.theme().colors().border)
3046            .child(callout)
3047            .into_any_element()
3048    }
3049
3050    fn render_prompt_editor(
3051        &self,
3052        context_editor: &Entity<TextThreadEditor>,
3053        buffer_search_bar: &Entity<BufferSearchBar>,
3054        window: &mut Window,
3055        cx: &mut Context<Self>,
3056    ) -> Div {
3057        let mut registrar = buffer_search::DivRegistrar::new(
3058            |this, _, _cx| match &this.active_view {
3059                ActiveView::TextThread {
3060                    buffer_search_bar, ..
3061                } => Some(buffer_search_bar.clone()),
3062                _ => None,
3063            },
3064            cx,
3065        );
3066        BufferSearchBar::register(&mut registrar);
3067        registrar
3068            .into_div()
3069            .size_full()
3070            .relative()
3071            .map(|parent| {
3072                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3073                    if buffer_search_bar.is_dismissed() {
3074                        return parent;
3075                    }
3076                    parent.child(
3077                        div()
3078                            .p(DynamicSpacing::Base08.rems(cx))
3079                            .border_b_1()
3080                            .border_color(cx.theme().colors().border_variant)
3081                            .bg(cx.theme().colors().editor_background)
3082                            .child(buffer_search_bar.render(window, cx)),
3083                    )
3084                })
3085            })
3086            .child(context_editor.clone())
3087            .child(self.render_drag_target(cx))
3088    }
3089
3090    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3091        let is_local = self.project.read(cx).is_local();
3092        div()
3093            .invisible()
3094            .absolute()
3095            .top_0()
3096            .right_0()
3097            .bottom_0()
3098            .left_0()
3099            .bg(cx.theme().colors().drop_target_background)
3100            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3101            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3102            .when(is_local, |this| {
3103                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3104            })
3105            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3106                let item = tab.pane.read(cx).item_for_index(tab.ix);
3107                let project_paths = item
3108                    .and_then(|item| item.project_path(cx))
3109                    .into_iter()
3110                    .collect::<Vec<_>>();
3111                this.handle_drop(project_paths, vec![], window, cx);
3112            }))
3113            .on_drop(
3114                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3115                    let project_paths = selection
3116                        .items()
3117                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3118                        .collect::<Vec<_>>();
3119                    this.handle_drop(project_paths, vec![], window, cx);
3120                }),
3121            )
3122            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3123                let tasks = paths
3124                    .paths()
3125                    .into_iter()
3126                    .map(|path| {
3127                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
3128                    })
3129                    .collect::<Vec<_>>();
3130                cx.spawn_in(window, async move |this, cx| {
3131                    let mut paths = vec![];
3132                    let mut added_worktrees = vec![];
3133                    let opened_paths = futures::future::join_all(tasks).await;
3134                    for entry in opened_paths {
3135                        if let Some((worktree, project_path)) = entry.log_err() {
3136                            added_worktrees.push(worktree);
3137                            paths.push(project_path);
3138                        }
3139                    }
3140                    this.update_in(cx, |this, window, cx| {
3141                        this.handle_drop(paths, added_worktrees, window, cx);
3142                    })
3143                    .ok();
3144                })
3145                .detach();
3146            }))
3147    }
3148
3149    fn handle_drop(
3150        &mut self,
3151        paths: Vec<ProjectPath>,
3152        added_worktrees: Vec<Entity<Worktree>>,
3153        window: &mut Window,
3154        cx: &mut Context<Self>,
3155    ) {
3156        match &self.active_view {
3157            ActiveView::Thread { thread, .. } => {
3158                let context_store = thread.read(cx).context_store().clone();
3159                context_store.update(cx, move |context_store, cx| {
3160                    let mut tasks = Vec::new();
3161                    for project_path in &paths {
3162                        tasks.push(context_store.add_file_from_path(
3163                            project_path.clone(),
3164                            false,
3165                            cx,
3166                        ));
3167                    }
3168                    cx.background_spawn(async move {
3169                        futures::future::join_all(tasks).await;
3170                        // Need to hold onto the worktrees until they have already been used when
3171                        // opening the buffers.
3172                        drop(added_worktrees);
3173                    })
3174                    .detach();
3175                });
3176            }
3177            ActiveView::ExternalAgentThread { .. } => {
3178                unimplemented!()
3179            }
3180            ActiveView::TextThread { context_editor, .. } => {
3181                context_editor.update(cx, |context_editor, cx| {
3182                    TextThreadEditor::insert_dragged_files(
3183                        context_editor,
3184                        paths,
3185                        added_worktrees,
3186                        window,
3187                        cx,
3188                    );
3189                });
3190            }
3191            ActiveView::History | ActiveView::Configuration => {}
3192        }
3193    }
3194
3195    fn key_context(&self) -> KeyContext {
3196        let mut key_context = KeyContext::new_with_defaults();
3197        key_context.add("AgentPanel");
3198        match &self.active_view {
3199            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3200            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3201            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3202        }
3203        key_context
3204    }
3205}
3206
3207impl Render for AgentPanel {
3208    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3209        // WARNING: Changes to this element hierarchy can have
3210        // non-obvious implications to the layout of children.
3211        //
3212        // If you need to change it, please confirm:
3213        // - The message editor expands (cmd-option-esc) correctly
3214        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3215        // - Font size works as expected and can be changed with cmd-+/cmd-
3216        // - Scrolling in all views works as expected
3217        // - Files can be dropped into the panel
3218        let content = v_flex()
3219            .key_context(self.key_context())
3220            .justify_between()
3221            .size_full()
3222            .on_action(cx.listener(Self::cancel))
3223            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3224                this.new_thread(action, window, cx);
3225            }))
3226            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3227                this.open_history(window, cx);
3228            }))
3229            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3230                this.open_configuration(window, cx);
3231            }))
3232            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3233            .on_action(cx.listener(Self::deploy_rules_library))
3234            .on_action(cx.listener(Self::open_agent_diff))
3235            .on_action(cx.listener(Self::go_back))
3236            .on_action(cx.listener(Self::toggle_navigation_menu))
3237            .on_action(cx.listener(Self::toggle_options_menu))
3238            .on_action(cx.listener(Self::increase_font_size))
3239            .on_action(cx.listener(Self::decrease_font_size))
3240            .on_action(cx.listener(Self::reset_font_size))
3241            .on_action(cx.listener(Self::toggle_zoom))
3242            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3243                this.continue_conversation(window, cx);
3244            }))
3245            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3246                match &this.active_view {
3247                    ActiveView::Thread { thread, .. } => {
3248                        thread.update(cx, |active_thread, cx| {
3249                            active_thread.thread().update(cx, |thread, _cx| {
3250                                thread.set_completion_mode(CompletionMode::Burn);
3251                            });
3252                        });
3253                        this.continue_conversation(window, cx);
3254                    }
3255                    ActiveView::ExternalAgentThread { .. } => {}
3256                    ActiveView::TextThread { .. }
3257                    | ActiveView::History
3258                    | ActiveView::Configuration => {}
3259                }
3260            }))
3261            .on_action(cx.listener(Self::toggle_burn_mode))
3262            .child(self.render_toolbar(window, cx))
3263            .children(self.render_onboarding(window, cx))
3264            .children(self.render_trial_end_upsell(window, cx))
3265            .map(|parent| match &self.active_view {
3266                ActiveView::Thread {
3267                    thread,
3268                    message_editor,
3269                    ..
3270                } => parent
3271                    .relative()
3272                    .child(
3273                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3274                            self.render_thread_empty_state(window, cx)
3275                                .into_any_element()
3276                        } else {
3277                            thread.clone().into_any_element()
3278                        },
3279                    )
3280                    .children(self.render_tool_use_limit_reached(window, cx))
3281                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3282                        this.child(
3283                            div()
3284                                .child(match last_error {
3285                                    ThreadError::PaymentRequired => {
3286                                        self.render_payment_required_error(thread, cx)
3287                                    }
3288                                    ThreadError::ModelRequestLimitReached { plan } => self
3289                                        .render_model_request_limit_reached_error(plan, thread, cx),
3290                                    ThreadError::Message { header, message } => {
3291                                        self.render_error_message(header, message, thread, cx)
3292                                    }
3293                                    ThreadError::RetryableError {
3294                                        message,
3295                                        can_enable_burn_mode,
3296                                    } => self.render_retryable_error(
3297                                        message,
3298                                        can_enable_burn_mode,
3299                                        thread,
3300                                        cx,
3301                                    ),
3302                                })
3303                                .into_any(),
3304                        )
3305                    })
3306                    .child(h_flex().relative().child(message_editor.clone()).when(
3307                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3308                        |this| {
3309                            this.child(
3310                                div()
3311                                    .size_full()
3312                                    .absolute()
3313                                    .inset_0()
3314                                    .bg(cx.theme().colors().panel_background)
3315                                    .opacity(0.8)
3316                                    .block_mouse_except_scroll(),
3317                            )
3318                        },
3319                    ))
3320                    .child(self.render_drag_target(cx)),
3321                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3322                    .relative()
3323                    .child(thread_view.clone())
3324                    .child(self.render_drag_target(cx)),
3325                ActiveView::History => parent.child(self.history.clone()),
3326                ActiveView::TextThread {
3327                    context_editor,
3328                    buffer_search_bar,
3329                    ..
3330                } => {
3331                    let model_registry = LanguageModelRegistry::read_global(cx);
3332                    let configuration_error =
3333                        model_registry.configuration_error(model_registry.default_model(), cx);
3334                    parent
3335                        .map(|this| {
3336                            if !self.should_render_onboarding(cx)
3337                                && let Some(err) = configuration_error.as_ref()
3338                            {
3339                                this.child(
3340                                    div().bg(cx.theme().colors().editor_background).p_2().child(
3341                                        self.render_configuration_error(
3342                                            err,
3343                                            &self.focus_handle(cx),
3344                                            window,
3345                                            cx,
3346                                        ),
3347                                    ),
3348                                )
3349                            } else {
3350                                this
3351                            }
3352                        })
3353                        .child(self.render_prompt_editor(
3354                            context_editor,
3355                            buffer_search_bar,
3356                            window,
3357                            cx,
3358                        ))
3359                }
3360                ActiveView::Configuration => parent.children(self.configuration.clone()),
3361            });
3362
3363        match self.active_view.which_font_size_used() {
3364            WhichFontSize::AgentFont => {
3365                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3366                    .size_full()
3367                    .child(content)
3368                    .into_any()
3369            }
3370            _ => content.into_any(),
3371        }
3372    }
3373}
3374
3375struct PromptLibraryInlineAssist {
3376    workspace: WeakEntity<Workspace>,
3377}
3378
3379impl PromptLibraryInlineAssist {
3380    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3381        Self { workspace }
3382    }
3383}
3384
3385impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3386    fn assist(
3387        &self,
3388        prompt_editor: &Entity<Editor>,
3389        initial_prompt: Option<String>,
3390        window: &mut Window,
3391        cx: &mut Context<RulesLibrary>,
3392    ) {
3393        InlineAssistant::update_global(cx, |assistant, cx| {
3394            let Some(project) = self
3395                .workspace
3396                .upgrade()
3397                .map(|workspace| workspace.read(cx).project().downgrade())
3398            else {
3399                return;
3400            };
3401            let prompt_store = None;
3402            let thread_store = None;
3403            let text_thread_store = None;
3404            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3405            assistant.assist(
3406                &prompt_editor,
3407                self.workspace.clone(),
3408                context_store,
3409                project,
3410                prompt_store,
3411                thread_store,
3412                text_thread_store,
3413                initial_prompt,
3414                window,
3415                cx,
3416            )
3417        })
3418    }
3419
3420    fn focus_agent_panel(
3421        &self,
3422        workspace: &mut Workspace,
3423        window: &mut Window,
3424        cx: &mut Context<Workspace>,
3425    ) -> bool {
3426        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3427    }
3428}
3429
3430pub struct ConcreteAssistantPanelDelegate;
3431
3432impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3433    fn active_context_editor(
3434        &self,
3435        workspace: &mut Workspace,
3436        _window: &mut Window,
3437        cx: &mut Context<Workspace>,
3438    ) -> Option<Entity<TextThreadEditor>> {
3439        let panel = workspace.panel::<AgentPanel>(cx)?;
3440        panel.read(cx).active_context_editor()
3441    }
3442
3443    fn open_saved_context(
3444        &self,
3445        workspace: &mut Workspace,
3446        path: Arc<Path>,
3447        window: &mut Window,
3448        cx: &mut Context<Workspace>,
3449    ) -> Task<Result<()>> {
3450        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3451            return Task::ready(Err(anyhow!("Agent panel not found")));
3452        };
3453
3454        panel.update(cx, |panel, cx| {
3455            panel.open_saved_prompt_editor(path, window, cx)
3456        })
3457    }
3458
3459    fn open_remote_context(
3460        &self,
3461        _workspace: &mut Workspace,
3462        _context_id: assistant_context::ContextId,
3463        _window: &mut Window,
3464        _cx: &mut Context<Workspace>,
3465    ) -> Task<Result<Entity<TextThreadEditor>>> {
3466        Task::ready(Err(anyhow!("opening remote context not implemented")))
3467    }
3468
3469    fn quote_selection(
3470        &self,
3471        workspace: &mut Workspace,
3472        selection_ranges: Vec<Range<Anchor>>,
3473        buffer: Entity<MultiBuffer>,
3474        window: &mut Window,
3475        cx: &mut Context<Workspace>,
3476    ) {
3477        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3478            return;
3479        };
3480
3481        if !panel.focus_handle(cx).contains_focused(window, cx) {
3482            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3483        }
3484
3485        panel.update(cx, |_, cx| {
3486            // Wait to create a new context until the workspace is no longer
3487            // being updated.
3488            cx.defer_in(window, move |panel, window, cx| {
3489                if let Some(message_editor) = panel.active_message_editor() {
3490                    message_editor.update(cx, |message_editor, cx| {
3491                        message_editor.context_store().update(cx, |store, cx| {
3492                            let buffer = buffer.read(cx);
3493                            let selection_ranges = selection_ranges
3494                                .into_iter()
3495                                .flat_map(|range| {
3496                                    let (start_buffer, start) =
3497                                        buffer.text_anchor_for_position(range.start, cx)?;
3498                                    let (end_buffer, end) =
3499                                        buffer.text_anchor_for_position(range.end, cx)?;
3500                                    if start_buffer != end_buffer {
3501                                        return None;
3502                                    }
3503                                    Some((start_buffer, start..end))
3504                                })
3505                                .collect::<Vec<_>>();
3506
3507                            for (buffer, range) in selection_ranges {
3508                                store.add_selection(buffer, range, cx);
3509                            }
3510                        })
3511                    })
3512                } else if let Some(context_editor) = panel.active_context_editor() {
3513                    let snapshot = buffer.read(cx).snapshot(cx);
3514                    let selection_ranges = selection_ranges
3515                        .into_iter()
3516                        .map(|range| range.to_point(&snapshot))
3517                        .collect::<Vec<_>>();
3518
3519                    context_editor.update(cx, |context_editor, cx| {
3520                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3521                    });
3522                }
3523            });
3524        });
3525    }
3526}
3527
3528struct OnboardingUpsell;
3529
3530impl Dismissable for OnboardingUpsell {
3531    const KEY: &'static str = "dismissed-trial-upsell";
3532}
3533
3534struct TrialEndUpsell;
3535
3536impl Dismissable for TrialEndUpsell {
3537    const KEY: &'static str = "dismissed-trial-end-upsell";
3538}