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::{UserStore, zed_urls};
  47use cloud_llm_client::{CompletionIntent, Plan, 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::{DisableAiSettings, Project, ProjectPath, Worktree};
  62use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  63use rules_library::{RulesLibrary, open_rules_library};
  64use search::{BufferSearchBar, buffer_search};
  65use settings::{Settings, update_settings_file};
  66use theme::ThemeSettings;
  67use time::UtcOffset;
  68use ui::utils::WithRemSize;
  69use ui::{
  70    Banner, Callout, ContextMenu, ContextMenuEntry, ElevationIndex, KeyBinding, PopoverMenu,
  71    PopoverMenuHandle, ProgressBar, Tab, Tooltip, prelude::*,
  72};
  73use util::ResultExt as _;
  74use workspace::{
  75    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  76    dock::{DockPosition, Panel, PanelEvent},
  77};
  78use zed_actions::{
  79    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  80    agent::{OpenOnboardingModal, OpenSettings, ResetOnboarding, ToggleModelSelector},
  81    assistant::{OpenRulesLibrary, ToggleFocus},
  82};
  83
  84const AGENT_PANEL_KEY: &str = "agent_panel";
  85
  86#[derive(Serialize, Deserialize)]
  87struct SerializedAgentPanel {
  88    width: Option<Pixels>,
  89}
  90
  91pub fn init(cx: &mut App) {
  92    cx.observe_new(
  93        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  94            workspace
  95                .register_action(|workspace, action: &NewThread, window, cx| {
  96                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  97                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
  98                        workspace.focus_panel::<AgentPanel>(window, cx);
  99                    }
 100                })
 101                .register_action(|workspace, _: &OpenHistory, window, cx| {
 102                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 103                        workspace.focus_panel::<AgentPanel>(window, cx);
 104                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 105                    }
 106                })
 107                .register_action(|workspace, _: &OpenSettings, window, cx| {
 108                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 109                        workspace.focus_panel::<AgentPanel>(window, cx);
 110                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 111                    }
 112                })
 113                .register_action(|workspace, _: &NewTextThread, window, cx| {
 114                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 115                        workspace.focus_panel::<AgentPanel>(window, cx);
 116                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 117                    }
 118                })
 119                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 120                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 121                        workspace.focus_panel::<AgentPanel>(window, cx);
 122                        panel.update(cx, |panel, cx| {
 123                            panel.new_external_thread(action.agent, window, cx)
 124                        });
 125                    }
 126                })
 127                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 128                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 129                        workspace.focus_panel::<AgentPanel>(window, cx);
 130                        panel.update(cx, |panel, cx| {
 131                            panel.deploy_rules_library(action, window, cx)
 132                        });
 133                    }
 134                })
 135                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 136                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 137                        workspace.focus_panel::<AgentPanel>(window, cx);
 138                        match &panel.read(cx).active_view {
 139                            ActiveView::Thread { thread, .. } => {
 140                                let thread = thread.read(cx).thread().clone();
 141                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 142                            }
 143                            ActiveView::ExternalAgentThread { .. }
 144                            | ActiveView::TextThread { .. }
 145                            | ActiveView::History
 146                            | ActiveView::Configuration => {}
 147                        }
 148                    }
 149                })
 150                .register_action(|workspace, _: &Follow, window, cx| {
 151                    workspace.follow(CollaboratorId::Agent, window, cx);
 152                })
 153                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 154                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 155                        return;
 156                    };
 157                    workspace.focus_panel::<AgentPanel>(window, cx);
 158                    panel.update(cx, |panel, cx| {
 159                        if let Some(message_editor) = panel.active_message_editor() {
 160                            message_editor.update(cx, |editor, cx| {
 161                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 162                            });
 163                        }
 164                    });
 165                })
 166                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 167                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 168                        workspace.focus_panel::<AgentPanel>(window, cx);
 169                        panel.update(cx, |panel, cx| {
 170                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 171                        });
 172                    }
 173                })
 174                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 175                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 176                        workspace.focus_panel::<AgentPanel>(window, cx);
 177                        panel.update(cx, |panel, cx| {
 178                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 179                        });
 180                    }
 181                })
 182                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 183                    AgentOnboardingModal::toggle(workspace, window, cx)
 184                })
 185                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 186                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 187                    window.refresh();
 188                })
 189                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 190                    OnboardingUpsell::set_dismissed(false, cx);
 191                })
 192                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 193                    TrialEndUpsell::set_dismissed(false, cx);
 194                });
 195        },
 196    )
 197    .detach();
 198}
 199
 200enum ActiveView {
 201    Thread {
 202        thread: Entity<ActiveThread>,
 203        change_title_editor: Entity<Editor>,
 204        message_editor: Entity<MessageEditor>,
 205        _subscriptions: Vec<gpui::Subscription>,
 206    },
 207    ExternalAgentThread {
 208        thread_view: Entity<AcpThreadView>,
 209    },
 210    TextThread {
 211        context_editor: Entity<TextThreadEditor>,
 212        title_editor: Entity<Editor>,
 213        buffer_search_bar: Entity<BufferSearchBar>,
 214        _subscriptions: Vec<gpui::Subscription>,
 215    },
 216    History,
 217    Configuration,
 218}
 219
 220enum WhichFontSize {
 221    AgentFont,
 222    BufferFont,
 223    None,
 224}
 225
 226impl ActiveView {
 227    pub fn which_font_size_used(&self) -> WhichFontSize {
 228        match self {
 229            ActiveView::Thread { .. }
 230            | ActiveView::ExternalAgentThread { .. }
 231            | ActiveView::History => WhichFontSize::AgentFont,
 232            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 233            ActiveView::Configuration => WhichFontSize::None,
 234        }
 235    }
 236
 237    pub fn thread(
 238        active_thread: Entity<ActiveThread>,
 239        message_editor: Entity<MessageEditor>,
 240        window: &mut Window,
 241        cx: &mut Context<AgentPanel>,
 242    ) -> Self {
 243        let summary = active_thread.read(cx).summary(cx).or_default();
 244
 245        let editor = cx.new(|cx| {
 246            let mut editor = Editor::single_line(window, cx);
 247            editor.set_text(summary.clone(), window, cx);
 248            editor
 249        });
 250
 251        let subscriptions = vec![
 252            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 253                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 254                    cx.notify();
 255                }
 256                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 257                    ActiveView::Thread { thread, .. } => {
 258                        thread.update(cx, |thread, cx| {
 259                            thread.scroll_to_bottom(cx);
 260                        });
 261                    }
 262                    ActiveView::ExternalAgentThread { .. } => {}
 263                    ActiveView::TextThread { .. }
 264                    | ActiveView::History
 265                    | ActiveView::Configuration => {}
 266                },
 267            }),
 268            window.subscribe(&editor, cx, {
 269                {
 270                    let thread = active_thread.clone();
 271                    move |editor, event, window, cx| match event {
 272                        EditorEvent::BufferEdited => {
 273                            let new_summary = editor.read(cx).text(cx);
 274
 275                            thread.update(cx, |thread, cx| {
 276                                thread.thread().update(cx, |thread, cx| {
 277                                    thread.set_summary(new_summary, cx);
 278                                });
 279                            })
 280                        }
 281                        EditorEvent::Blurred => {
 282                            if editor.read(cx).text(cx).is_empty() {
 283                                let summary = thread.read(cx).summary(cx).or_default();
 284
 285                                editor.update(cx, |editor, cx| {
 286                                    editor.set_text(summary, window, cx);
 287                                });
 288                            }
 289                        }
 290                        _ => {}
 291                    }
 292                }
 293            }),
 294            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 295                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 296                    cx.notify();
 297                }
 298            }),
 299            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 300                let editor = editor.clone();
 301                move |_, thread, event, window, cx| match event {
 302                    ThreadEvent::SummaryGenerated => {
 303                        let summary = thread.read(cx).summary().or_default();
 304
 305                        editor.update(cx, |editor, cx| {
 306                            editor.set_text(summary, window, cx);
 307                        })
 308                    }
 309                    ThreadEvent::MessageAdded(_) => {
 310                        cx.notify();
 311                    }
 312                    _ => {}
 313                }
 314            }),
 315        ];
 316
 317        Self::Thread {
 318            change_title_editor: editor,
 319            thread: active_thread,
 320            message_editor: message_editor,
 321            _subscriptions: subscriptions,
 322        }
 323    }
 324
 325    pub fn prompt_editor(
 326        context_editor: Entity<TextThreadEditor>,
 327        history_store: Entity<HistoryStore>,
 328        language_registry: Arc<LanguageRegistry>,
 329        window: &mut Window,
 330        cx: &mut App,
 331    ) -> Self {
 332        let title = context_editor.read(cx).title(cx).to_string();
 333
 334        let editor = cx.new(|cx| {
 335            let mut editor = Editor::single_line(window, cx);
 336            editor.set_text(title, window, cx);
 337            editor
 338        });
 339
 340        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 341        // cause a custom summary to be set. The presence of this custom summary would cause
 342        // summarization to not happen.
 343        let mut suppress_first_edit = true;
 344
 345        let subscriptions = vec![
 346            window.subscribe(&editor, cx, {
 347                {
 348                    let context_editor = context_editor.clone();
 349                    move |editor, event, window, cx| match event {
 350                        EditorEvent::BufferEdited => {
 351                            if suppress_first_edit {
 352                                suppress_first_edit = false;
 353                                return;
 354                            }
 355                            let new_summary = editor.read(cx).text(cx);
 356
 357                            context_editor.update(cx, |context_editor, cx| {
 358                                context_editor
 359                                    .context()
 360                                    .update(cx, |assistant_context, cx| {
 361                                        assistant_context.set_custom_summary(new_summary, cx);
 362                                    })
 363                            })
 364                        }
 365                        EditorEvent::Blurred => {
 366                            if editor.read(cx).text(cx).is_empty() {
 367                                let summary = context_editor
 368                                    .read(cx)
 369                                    .context()
 370                                    .read(cx)
 371                                    .summary()
 372                                    .or_default();
 373
 374                                editor.update(cx, |editor, cx| {
 375                                    editor.set_text(summary, window, cx);
 376                                });
 377                            }
 378                        }
 379                        _ => {}
 380                    }
 381                }
 382            }),
 383            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 384                let editor = editor.clone();
 385                move |assistant_context, event, window, cx| match event {
 386                    ContextEvent::SummaryGenerated => {
 387                        let summary = assistant_context.read(cx).summary().or_default();
 388
 389                        editor.update(cx, |editor, cx| {
 390                            editor.set_text(summary, window, cx);
 391                        })
 392                    }
 393                    ContextEvent::PathChanged { old_path, new_path } => {
 394                        history_store.update(cx, |history_store, cx| {
 395                            if let Some(old_path) = old_path {
 396                                history_store
 397                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 398                            } else {
 399                                history_store.push_recently_opened_entry(
 400                                    HistoryEntryId::Context(new_path.clone()),
 401                                    cx,
 402                                );
 403                            }
 404                        });
 405                    }
 406                    _ => {}
 407                }
 408            }),
 409        ];
 410
 411        let buffer_search_bar =
 412            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 413        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 414            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 415        });
 416
 417        Self::TextThread {
 418            context_editor,
 419            title_editor: editor,
 420            buffer_search_bar,
 421            _subscriptions: subscriptions,
 422        }
 423    }
 424}
 425
 426pub struct AgentPanel {
 427    workspace: WeakEntity<Workspace>,
 428    user_store: Entity<UserStore>,
 429    project: Entity<Project>,
 430    fs: Arc<dyn Fs>,
 431    language_registry: Arc<LanguageRegistry>,
 432    thread_store: Entity<ThreadStore>,
 433    _default_model_subscription: Subscription,
 434    context_store: Entity<TextThreadStore>,
 435    prompt_store: Option<Entity<PromptStore>>,
 436    inline_assist_context_store: Entity<ContextStore>,
 437    configuration: Option<Entity<AgentConfiguration>>,
 438    configuration_subscription: Option<Subscription>,
 439    local_timezone: UtcOffset,
 440    active_view: ActiveView,
 441    acp_message_history:
 442        Rc<RefCell<crate::acp::MessageHistory<Vec<agent_client_protocol::ContentBlock>>>>,
 443    previous_view: Option<ActiveView>,
 444    history_store: Entity<HistoryStore>,
 445    history: Entity<ThreadHistory>,
 446    hovered_recent_history_item: Option<usize>,
 447    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 448    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 449    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 450    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 451    width: Option<Pixels>,
 452    height: Option<Pixels>,
 453    zoomed: bool,
 454    pending_serialization: Option<Task<Result<()>>>,
 455    onboarding: Entity<AgentPanelOnboarding>,
 456}
 457
 458impl AgentPanel {
 459    fn serialize(&mut self, cx: &mut Context<Self>) {
 460        let width = self.width;
 461        self.pending_serialization = Some(cx.background_spawn(async move {
 462            KEY_VALUE_STORE
 463                .write_kvp(
 464                    AGENT_PANEL_KEY.into(),
 465                    serde_json::to_string(&SerializedAgentPanel { width })?,
 466                )
 467                .await?;
 468            anyhow::Ok(())
 469        }));
 470    }
 471    pub fn load(
 472        workspace: WeakEntity<Workspace>,
 473        prompt_builder: Arc<PromptBuilder>,
 474        mut cx: AsyncWindowContext,
 475    ) -> Task<Result<Entity<Self>>> {
 476        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 477        cx.spawn(async move |cx| {
 478            let prompt_store = match prompt_store {
 479                Ok(prompt_store) => prompt_store.await.ok(),
 480                Err(_) => None,
 481            };
 482            let tools = cx.new(|_| ToolWorkingSet::default())?;
 483            let thread_store = workspace
 484                .update(cx, |workspace, cx| {
 485                    let project = workspace.project().clone();
 486                    ThreadStore::load(
 487                        project,
 488                        tools.clone(),
 489                        prompt_store.clone(),
 490                        prompt_builder.clone(),
 491                        cx,
 492                    )
 493                })?
 494                .await?;
 495
 496            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 497            let context_store = workspace
 498                .update(cx, |workspace, cx| {
 499                    let project = workspace.project().clone();
 500                    assistant_context::ContextStore::new(
 501                        project,
 502                        prompt_builder.clone(),
 503                        slash_commands,
 504                        cx,
 505                    )
 506                })?
 507                .await?;
 508
 509            let serialized_panel = if let Some(panel) = cx
 510                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 511                .await
 512                .log_err()
 513                .flatten()
 514            {
 515                Some(serde_json::from_str::<SerializedAgentPanel>(&panel)?)
 516            } else {
 517                None
 518            };
 519
 520            let panel = workspace.update_in(cx, |workspace, window, cx| {
 521                let panel = cx.new(|cx| {
 522                    Self::new(
 523                        workspace,
 524                        thread_store,
 525                        context_store,
 526                        prompt_store,
 527                        window,
 528                        cx,
 529                    )
 530                });
 531                if let Some(serialized_panel) = serialized_panel {
 532                    panel.update(cx, |panel, cx| {
 533                        panel.width = serialized_panel.width.map(|w| w.round());
 534                        cx.notify();
 535                    });
 536                }
 537                panel
 538            })?;
 539
 540            Ok(panel)
 541        })
 542    }
 543
 544    fn new(
 545        workspace: &Workspace,
 546        thread_store: Entity<ThreadStore>,
 547        context_store: Entity<TextThreadStore>,
 548        prompt_store: Option<Entity<PromptStore>>,
 549        window: &mut Window,
 550        cx: &mut Context<Self>,
 551    ) -> Self {
 552        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 553        let fs = workspace.app_state().fs.clone();
 554        let user_store = workspace.app_state().user_store.clone();
 555        let project = workspace.project();
 556        let language_registry = project.read(cx).languages().clone();
 557        let client = workspace.client().clone();
 558        let workspace = workspace.weak_handle();
 559        let weak_self = cx.entity().downgrade();
 560
 561        let message_editor_context_store =
 562            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 563        let inline_assist_context_store =
 564            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 565
 566        let thread_id = thread.read(cx).id().clone();
 567
 568        let history_store = cx.new(|cx| {
 569            HistoryStore::new(
 570                thread_store.clone(),
 571                context_store.clone(),
 572                [HistoryEntryId::Thread(thread_id)],
 573                cx,
 574            )
 575        });
 576
 577        let message_editor = cx.new(|cx| {
 578            MessageEditor::new(
 579                fs.clone(),
 580                workspace.clone(),
 581                message_editor_context_store.clone(),
 582                prompt_store.clone(),
 583                thread_store.downgrade(),
 584                context_store.downgrade(),
 585                Some(history_store.downgrade()),
 586                thread.clone(),
 587                window,
 588                cx,
 589            )
 590        });
 591
 592        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 593
 594        let active_thread = cx.new(|cx| {
 595            ActiveThread::new(
 596                thread.clone(),
 597                thread_store.clone(),
 598                context_store.clone(),
 599                message_editor_context_store.clone(),
 600                language_registry.clone(),
 601                workspace.clone(),
 602                window,
 603                cx,
 604            )
 605        });
 606
 607        let panel_type = AgentSettings::get_global(cx).default_view;
 608        let active_view = match panel_type {
 609            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 610            DefaultView::TextThread => {
 611                let context =
 612                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 613                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 614                let context_editor = cx.new(|cx| {
 615                    let mut editor = TextThreadEditor::for_context(
 616                        context,
 617                        fs.clone(),
 618                        workspace.clone(),
 619                        project.clone(),
 620                        lsp_adapter_delegate,
 621                        window,
 622                        cx,
 623                    );
 624                    editor.insert_default_prompt(window, cx);
 625                    editor
 626                });
 627                ActiveView::prompt_editor(
 628                    context_editor,
 629                    history_store.clone(),
 630                    language_registry.clone(),
 631                    window,
 632                    cx,
 633                )
 634            }
 635        };
 636
 637        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 638
 639        let weak_panel = weak_self.clone();
 640
 641        window.defer(cx, move |window, cx| {
 642            let panel = weak_panel.clone();
 643            let assistant_navigation_menu =
 644                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 645                    if let Some(panel) = panel.upgrade() {
 646                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 647                    }
 648                    menu.action("View All", Box::new(OpenHistory))
 649                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 650                        .fixed_width(px(320.).into())
 651                        .keep_open_on_confirm(false)
 652                        .key_context("NavigationMenu")
 653                });
 654            weak_panel
 655                .update(cx, |panel, cx| {
 656                    cx.subscribe_in(
 657                        &assistant_navigation_menu,
 658                        window,
 659                        |_, menu, _: &DismissEvent, window, cx| {
 660                            menu.update(cx, |menu, _| {
 661                                menu.clear_selected();
 662                            });
 663                            cx.focus_self(window);
 664                        },
 665                    )
 666                    .detach();
 667                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 668                })
 669                .ok();
 670        });
 671
 672        let _default_model_subscription = cx.subscribe(
 673            &LanguageModelRegistry::global(cx),
 674            |this, _, event: &language_model::Event, cx| match event {
 675                language_model::Event::DefaultModelChanged => match &this.active_view {
 676                    ActiveView::Thread { thread, .. } => {
 677                        thread
 678                            .read(cx)
 679                            .thread()
 680                            .clone()
 681                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
 682                    }
 683                    ActiveView::ExternalAgentThread { .. }
 684                    | ActiveView::TextThread { .. }
 685                    | ActiveView::History
 686                    | ActiveView::Configuration => {}
 687                },
 688                _ => {}
 689            },
 690        );
 691
 692        let onboarding = cx.new(|cx| {
 693            AgentPanelOnboarding::new(
 694                user_store.clone(),
 695                client,
 696                |_window, cx| {
 697                    OnboardingUpsell::set_dismissed(true, cx);
 698                },
 699                cx,
 700            )
 701        });
 702
 703        Self {
 704            active_view,
 705            workspace,
 706            user_store,
 707            project: project.clone(),
 708            fs: fs.clone(),
 709            language_registry,
 710            thread_store: thread_store.clone(),
 711            _default_model_subscription,
 712            context_store,
 713            prompt_store,
 714            configuration: None,
 715            configuration_subscription: None,
 716            local_timezone: UtcOffset::from_whole_seconds(
 717                chrono::Local::now().offset().local_minus_utc(),
 718            )
 719            .unwrap(),
 720            inline_assist_context_store,
 721            previous_view: None,
 722            acp_message_history: Default::default(),
 723            history_store: history_store.clone(),
 724            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 725            hovered_recent_history_item: None,
 726            new_thread_menu_handle: PopoverMenuHandle::default(),
 727            agent_panel_menu_handle: PopoverMenuHandle::default(),
 728            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 729            assistant_navigation_menu: None,
 730            width: None,
 731            height: None,
 732            zoomed: false,
 733            pending_serialization: None,
 734            onboarding,
 735        }
 736    }
 737
 738    pub fn toggle_focus(
 739        workspace: &mut Workspace,
 740        _: &ToggleFocus,
 741        window: &mut Window,
 742        cx: &mut Context<Workspace>,
 743    ) {
 744        if workspace
 745            .panel::<Self>(cx)
 746            .is_some_and(|panel| panel.read(cx).enabled(cx))
 747            && !DisableAiSettings::get_global(cx).disable_ai
 748        {
 749            workspace.toggle_panel_focus::<Self>(window, cx);
 750        }
 751    }
 752
 753    pub(crate) fn local_timezone(&self) -> UtcOffset {
 754        self.local_timezone
 755    }
 756
 757    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 758        &self.prompt_store
 759    }
 760
 761    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 762        &self.inline_assist_context_store
 763    }
 764
 765    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 766        &self.thread_store
 767    }
 768
 769    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 770        &self.context_store
 771    }
 772
 773    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 774        match &self.active_view {
 775            ActiveView::Thread { thread, .. } => {
 776                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 777            }
 778            ActiveView::ExternalAgentThread { thread_view, .. } => {
 779                thread_view.update(cx, |thread_element, cx| thread_element.cancel(cx));
 780            }
 781            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
 782        }
 783    }
 784
 785    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 786        match &self.active_view {
 787            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 788            ActiveView::ExternalAgentThread { .. }
 789            | ActiveView::TextThread { .. }
 790            | ActiveView::History
 791            | ActiveView::Configuration => None,
 792        }
 793    }
 794
 795    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 796        // Preserve chat box text when using creating new thread
 797        let preserved_text = self
 798            .active_message_editor()
 799            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());
 800
 801        let thread = self
 802            .thread_store
 803            .update(cx, |this, cx| this.create_thread(cx));
 804
 805        let context_store = cx.new(|_cx| {
 806            ContextStore::new(
 807                self.project.downgrade(),
 808                Some(self.thread_store.downgrade()),
 809            )
 810        });
 811
 812        if let Some(other_thread_id) = action.from_thread_id.clone() {
 813            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 814                this.open_thread(&other_thread_id, window, cx)
 815            });
 816
 817            cx.spawn({
 818                let context_store = context_store.clone();
 819
 820                async move |_panel, cx| {
 821                    let other_thread = other_thread_task.await?;
 822
 823                    context_store.update(cx, |this, cx| {
 824                        this.add_thread(other_thread, false, cx);
 825                    })?;
 826                    anyhow::Ok(())
 827                }
 828            })
 829            .detach_and_log_err(cx);
 830        }
 831
 832        let active_thread = cx.new(|cx| {
 833            ActiveThread::new(
 834                thread.clone(),
 835                self.thread_store.clone(),
 836                self.context_store.clone(),
 837                context_store.clone(),
 838                self.language_registry.clone(),
 839                self.workspace.clone(),
 840                window,
 841                cx,
 842            )
 843        });
 844
 845        let message_editor = cx.new(|cx| {
 846            MessageEditor::new(
 847                self.fs.clone(),
 848                self.workspace.clone(),
 849                context_store.clone(),
 850                self.prompt_store.clone(),
 851                self.thread_store.downgrade(),
 852                self.context_store.downgrade(),
 853                Some(self.history_store.downgrade()),
 854                thread.clone(),
 855                window,
 856                cx,
 857            )
 858        });
 859
 860        if let Some(text) = preserved_text {
 861            message_editor.update(cx, |editor, cx| {
 862                editor.set_text(text, window, cx);
 863            });
 864        }
 865
 866        message_editor.focus_handle(cx).focus(window);
 867
 868        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
 869        self.set_active_view(thread_view, window, cx);
 870
 871        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 872    }
 873
 874    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 875        let context = self
 876            .context_store
 877            .update(cx, |context_store, cx| context_store.create(cx));
 878        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 879            .log_err()
 880            .flatten();
 881
 882        let context_editor = cx.new(|cx| {
 883            let mut editor = TextThreadEditor::for_context(
 884                context,
 885                self.fs.clone(),
 886                self.workspace.clone(),
 887                self.project.clone(),
 888                lsp_adapter_delegate,
 889                window,
 890                cx,
 891            );
 892            editor.insert_default_prompt(window, cx);
 893            editor
 894        });
 895
 896        self.set_active_view(
 897            ActiveView::prompt_editor(
 898                context_editor.clone(),
 899                self.history_store.clone(),
 900                self.language_registry.clone(),
 901                window,
 902                cx,
 903            ),
 904            window,
 905            cx,
 906        );
 907        context_editor.focus_handle(cx).focus(window);
 908    }
 909
 910    fn new_external_thread(
 911        &mut self,
 912        agent_choice: Option<crate::ExternalAgent>,
 913        window: &mut Window,
 914        cx: &mut Context<Self>,
 915    ) {
 916        let workspace = self.workspace.clone();
 917        let project = self.project.clone();
 918        let message_history = self.acp_message_history.clone();
 919
 920        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 921
 922        #[derive(Default, Serialize, Deserialize)]
 923        struct LastUsedExternalAgent {
 924            agent: crate::ExternalAgent,
 925        }
 926
 927        cx.spawn_in(window, async move |this, cx| {
 928            let server: Rc<dyn AgentServer> = match agent_choice {
 929                Some(agent) => {
 930                    cx.background_spawn(async move {
 931                        if let Some(serialized) =
 932                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
 933                        {
 934                            KEY_VALUE_STORE
 935                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
 936                                .await
 937                                .log_err();
 938                        }
 939                    })
 940                    .detach();
 941
 942                    agent.server()
 943                }
 944                None => cx
 945                    .background_spawn(async move {
 946                        KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
 947                    })
 948                    .await
 949                    .log_err()
 950                    .flatten()
 951                    .and_then(|value| {
 952                        serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
 953                    })
 954                    .unwrap_or_default()
 955                    .agent
 956                    .server(),
 957            };
 958
 959            this.update_in(cx, |this, window, cx| {
 960                let thread_view = cx.new(|cx| {
 961                    crate::acp::AcpThreadView::new(
 962                        server,
 963                        workspace.clone(),
 964                        project,
 965                        message_history,
 966                        MIN_EDITOR_LINES,
 967                        Some(MAX_EDITOR_LINES),
 968                        window,
 969                        cx,
 970                    )
 971                });
 972
 973                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
 974            })
 975        })
 976        .detach_and_log_err(cx);
 977    }
 978
 979    fn deploy_rules_library(
 980        &mut self,
 981        action: &OpenRulesLibrary,
 982        _window: &mut Window,
 983        cx: &mut Context<Self>,
 984    ) {
 985        open_rules_library(
 986            self.language_registry.clone(),
 987            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
 988            Rc::new(|| {
 989                Rc::new(SlashCommandCompletionProvider::new(
 990                    Arc::new(SlashCommandWorkingSet::default()),
 991                    None,
 992                    None,
 993                ))
 994            }),
 995            action
 996                .prompt_to_select
 997                .map(|uuid| UserPromptId(uuid).into()),
 998            cx,
 999        )
1000        .detach_and_log_err(cx);
1001    }
1002
1003    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1004        if matches!(self.active_view, ActiveView::History) {
1005            if let Some(previous_view) = self.previous_view.take() {
1006                self.set_active_view(previous_view, window, cx);
1007            }
1008        } else {
1009            self.thread_store
1010                .update(cx, |thread_store, cx| thread_store.reload(cx))
1011                .detach_and_log_err(cx);
1012            self.set_active_view(ActiveView::History, window, cx);
1013        }
1014        cx.notify();
1015    }
1016
1017    pub(crate) fn open_saved_prompt_editor(
1018        &mut self,
1019        path: Arc<Path>,
1020        window: &mut Window,
1021        cx: &mut Context<Self>,
1022    ) -> Task<Result<()>> {
1023        let context = self
1024            .context_store
1025            .update(cx, |store, cx| store.open_local_context(path, cx));
1026        cx.spawn_in(window, async move |this, cx| {
1027            let context = context.await?;
1028            this.update_in(cx, |this, window, cx| {
1029                this.open_prompt_editor(context, window, cx);
1030            })
1031        })
1032    }
1033
1034    pub(crate) fn open_prompt_editor(
1035        &mut self,
1036        context: Entity<AssistantContext>,
1037        window: &mut Window,
1038        cx: &mut Context<Self>,
1039    ) {
1040        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1041            .log_err()
1042            .flatten();
1043        let editor = cx.new(|cx| {
1044            TextThreadEditor::for_context(
1045                context,
1046                self.fs.clone(),
1047                self.workspace.clone(),
1048                self.project.clone(),
1049                lsp_adapter_delegate,
1050                window,
1051                cx,
1052            )
1053        });
1054        self.set_active_view(
1055            ActiveView::prompt_editor(
1056                editor.clone(),
1057                self.history_store.clone(),
1058                self.language_registry.clone(),
1059                window,
1060                cx,
1061            ),
1062            window,
1063            cx,
1064        );
1065    }
1066
1067    pub(crate) fn open_thread_by_id(
1068        &mut self,
1069        thread_id: &ThreadId,
1070        window: &mut Window,
1071        cx: &mut Context<Self>,
1072    ) -> Task<Result<()>> {
1073        let open_thread_task = self
1074            .thread_store
1075            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1076        cx.spawn_in(window, async move |this, cx| {
1077            let thread = open_thread_task.await?;
1078            this.update_in(cx, |this, window, cx| {
1079                this.open_thread(thread, window, cx);
1080                anyhow::Ok(())
1081            })??;
1082            Ok(())
1083        })
1084    }
1085
1086    pub(crate) fn open_thread(
1087        &mut self,
1088        thread: Entity<Thread>,
1089        window: &mut Window,
1090        cx: &mut Context<Self>,
1091    ) {
1092        let context_store = cx.new(|_cx| {
1093            ContextStore::new(
1094                self.project.downgrade(),
1095                Some(self.thread_store.downgrade()),
1096            )
1097        });
1098
1099        let active_thread = cx.new(|cx| {
1100            ActiveThread::new(
1101                thread.clone(),
1102                self.thread_store.clone(),
1103                self.context_store.clone(),
1104                context_store.clone(),
1105                self.language_registry.clone(),
1106                self.workspace.clone(),
1107                window,
1108                cx,
1109            )
1110        });
1111
1112        let message_editor = cx.new(|cx| {
1113            MessageEditor::new(
1114                self.fs.clone(),
1115                self.workspace.clone(),
1116                context_store,
1117                self.prompt_store.clone(),
1118                self.thread_store.downgrade(),
1119                self.context_store.downgrade(),
1120                Some(self.history_store.downgrade()),
1121                thread.clone(),
1122                window,
1123                cx,
1124            )
1125        });
1126        message_editor.focus_handle(cx).focus(window);
1127
1128        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1129        self.set_active_view(thread_view, window, cx);
1130        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1131    }
1132
1133    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1134        match self.active_view {
1135            ActiveView::Configuration | ActiveView::History => {
1136                if let Some(previous_view) = self.previous_view.take() {
1137                    self.active_view = previous_view;
1138
1139                    match &self.active_view {
1140                        ActiveView::Thread { message_editor, .. } => {
1141                            message_editor.focus_handle(cx).focus(window);
1142                        }
1143                        ActiveView::ExternalAgentThread { thread_view } => {
1144                            thread_view.focus_handle(cx).focus(window);
1145                        }
1146                        ActiveView::TextThread { context_editor, .. } => {
1147                            context_editor.focus_handle(cx).focus(window);
1148                        }
1149                        ActiveView::History | ActiveView::Configuration => {}
1150                    }
1151                }
1152                cx.notify();
1153            }
1154            _ => {}
1155        }
1156    }
1157
1158    pub fn toggle_navigation_menu(
1159        &mut self,
1160        _: &ToggleNavigationMenu,
1161        window: &mut Window,
1162        cx: &mut Context<Self>,
1163    ) {
1164        self.assistant_navigation_menu_handle.toggle(window, cx);
1165    }
1166
1167    pub fn toggle_options_menu(
1168        &mut self,
1169        _: &ToggleOptionsMenu,
1170        window: &mut Window,
1171        cx: &mut Context<Self>,
1172    ) {
1173        self.agent_panel_menu_handle.toggle(window, cx);
1174    }
1175
1176    pub fn increase_font_size(
1177        &mut self,
1178        action: &IncreaseBufferFontSize,
1179        _: &mut Window,
1180        cx: &mut Context<Self>,
1181    ) {
1182        self.handle_font_size_action(action.persist, px(1.0), cx);
1183    }
1184
1185    pub fn decrease_font_size(
1186        &mut self,
1187        action: &DecreaseBufferFontSize,
1188        _: &mut Window,
1189        cx: &mut Context<Self>,
1190    ) {
1191        self.handle_font_size_action(action.persist, px(-1.0), cx);
1192    }
1193
1194    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1195        match self.active_view.which_font_size_used() {
1196            WhichFontSize::AgentFont => {
1197                if persist {
1198                    update_settings_file::<ThemeSettings>(
1199                        self.fs.clone(),
1200                        cx,
1201                        move |settings, cx| {
1202                            let agent_font_size =
1203                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1204                            let _ = settings
1205                                .agent_font_size
1206                                .insert(theme::clamp_font_size(agent_font_size).0);
1207                        },
1208                    );
1209                } else {
1210                    theme::adjust_agent_font_size(cx, |size| {
1211                        *size += delta;
1212                    });
1213                }
1214            }
1215            WhichFontSize::BufferFont => {
1216                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1217                // default handler that changes that font size.
1218                cx.propagate();
1219            }
1220            WhichFontSize::None => {}
1221        }
1222    }
1223
1224    pub fn reset_font_size(
1225        &mut self,
1226        action: &ResetBufferFontSize,
1227        _: &mut Window,
1228        cx: &mut Context<Self>,
1229    ) {
1230        if action.persist {
1231            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1232                settings.agent_font_size = None;
1233            });
1234        } else {
1235            theme::reset_agent_font_size(cx);
1236        }
1237    }
1238
1239    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1240        if self.zoomed {
1241            cx.emit(PanelEvent::ZoomOut);
1242        } else {
1243            if !self.focus_handle(cx).contains_focused(window, cx) {
1244                cx.focus_self(window);
1245            }
1246            cx.emit(PanelEvent::ZoomIn);
1247        }
1248    }
1249
1250    pub fn open_agent_diff(
1251        &mut self,
1252        _: &OpenAgentDiff,
1253        window: &mut Window,
1254        cx: &mut Context<Self>,
1255    ) {
1256        match &self.active_view {
1257            ActiveView::Thread { thread, .. } => {
1258                let thread = thread.read(cx).thread().clone();
1259                self.workspace
1260                    .update(cx, |workspace, cx| {
1261                        AgentDiffPane::deploy_in_workspace(
1262                            AgentDiffThread::Native(thread),
1263                            workspace,
1264                            window,
1265                            cx,
1266                        )
1267                    })
1268                    .log_err();
1269            }
1270            ActiveView::ExternalAgentThread { .. }
1271            | ActiveView::TextThread { .. }
1272            | ActiveView::History
1273            | ActiveView::Configuration => {}
1274        }
1275    }
1276
1277    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1278        let context_server_store = self.project.read(cx).context_server_store();
1279        let tools = self.thread_store.read(cx).tools();
1280        let fs = self.fs.clone();
1281
1282        self.set_active_view(ActiveView::Configuration, window, cx);
1283        self.configuration = Some(cx.new(|cx| {
1284            AgentConfiguration::new(
1285                fs,
1286                context_server_store,
1287                tools,
1288                self.language_registry.clone(),
1289                self.workspace.clone(),
1290                window,
1291                cx,
1292            )
1293        }));
1294
1295        if let Some(configuration) = self.configuration.as_ref() {
1296            self.configuration_subscription = Some(cx.subscribe_in(
1297                configuration,
1298                window,
1299                Self::handle_agent_configuration_event,
1300            ));
1301
1302            configuration.focus_handle(cx).focus(window);
1303        }
1304    }
1305
1306    pub(crate) fn open_active_thread_as_markdown(
1307        &mut self,
1308        _: &OpenActiveThreadAsMarkdown,
1309        window: &mut Window,
1310        cx: &mut Context<Self>,
1311    ) {
1312        let Some(workspace) = self.workspace.upgrade() else {
1313            return;
1314        };
1315
1316        match &self.active_view {
1317            ActiveView::Thread { thread, .. } => {
1318                active_thread::open_active_thread_as_markdown(
1319                    thread.read(cx).thread().clone(),
1320                    workspace,
1321                    window,
1322                    cx,
1323                )
1324                .detach_and_log_err(cx);
1325            }
1326            ActiveView::ExternalAgentThread { thread_view } => {
1327                thread_view
1328                    .update(cx, |thread_view, cx| {
1329                        thread_view.open_thread_as_markdown(workspace, window, cx)
1330                    })
1331                    .detach_and_log_err(cx);
1332            }
1333            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1334        }
1335    }
1336
1337    fn handle_agent_configuration_event(
1338        &mut self,
1339        _entity: &Entity<AgentConfiguration>,
1340        event: &AssistantConfigurationEvent,
1341        window: &mut Window,
1342        cx: &mut Context<Self>,
1343    ) {
1344        match event {
1345            AssistantConfigurationEvent::NewThread(provider) => {
1346                if LanguageModelRegistry::read_global(cx)
1347                    .default_model()
1348                    .map_or(true, |model| model.provider.id() != provider.id())
1349                {
1350                    if let Some(model) = provider.default_model(cx) {
1351                        update_settings_file::<AgentSettings>(
1352                            self.fs.clone(),
1353                            cx,
1354                            move |settings, _| settings.set_model(model),
1355                        );
1356                    }
1357                }
1358
1359                self.new_thread(&NewThread::default(), window, cx);
1360                if let Some((thread, model)) =
1361                    self.active_thread(cx).zip(provider.default_model(cx))
1362                {
1363                    thread.update(cx, |thread, cx| {
1364                        thread.set_configured_model(
1365                            Some(ConfiguredModel {
1366                                provider: provider.clone(),
1367                                model,
1368                            }),
1369                            cx,
1370                        );
1371                    });
1372                }
1373            }
1374        }
1375    }
1376
1377    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1378        match &self.active_view {
1379            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1380            _ => None,
1381        }
1382    }
1383
1384    pub(crate) fn delete_thread(
1385        &mut self,
1386        thread_id: &ThreadId,
1387        cx: &mut Context<Self>,
1388    ) -> Task<Result<()>> {
1389        self.thread_store
1390            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1391    }
1392
1393    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1394        let ActiveView::Thread { thread, .. } = &self.active_view else {
1395            return;
1396        };
1397
1398        let thread_state = thread.read(cx).thread().read(cx);
1399        if !thread_state.tool_use_limit_reached() {
1400            return;
1401        }
1402
1403        let model = thread_state.configured_model().map(|cm| cm.model.clone());
1404        if let Some(model) = model {
1405            thread.update(cx, |active_thread, cx| {
1406                active_thread.thread().update(cx, |thread, cx| {
1407                    thread.insert_invisible_continue_message(cx);
1408                    thread.advance_prompt_id();
1409                    thread.send_to_model(
1410                        model,
1411                        CompletionIntent::UserPrompt,
1412                        Some(window.window_handle()),
1413                        cx,
1414                    );
1415                });
1416            });
1417        } else {
1418            log::warn!("No configured model available for continuation");
1419        }
1420    }
1421
1422    fn toggle_burn_mode(
1423        &mut self,
1424        _: &ToggleBurnMode,
1425        _window: &mut Window,
1426        cx: &mut Context<Self>,
1427    ) {
1428        let ActiveView::Thread { thread, .. } = &self.active_view else {
1429            return;
1430        };
1431
1432        thread.update(cx, |active_thread, cx| {
1433            active_thread.thread().update(cx, |thread, _cx| {
1434                let current_mode = thread.completion_mode();
1435
1436                thread.set_completion_mode(match current_mode {
1437                    CompletionMode::Burn => CompletionMode::Normal,
1438                    CompletionMode::Normal => CompletionMode::Burn,
1439                });
1440            });
1441        });
1442    }
1443
1444    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1445        match &self.active_view {
1446            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1447            _ => None,
1448        }
1449    }
1450
1451    pub(crate) fn delete_context(
1452        &mut self,
1453        path: Arc<Path>,
1454        cx: &mut Context<Self>,
1455    ) -> Task<Result<()>> {
1456        self.context_store
1457            .update(cx, |this, cx| this.delete_local_context(path, cx))
1458    }
1459
1460    fn set_active_view(
1461        &mut self,
1462        new_view: ActiveView,
1463        window: &mut Window,
1464        cx: &mut Context<Self>,
1465    ) {
1466        let current_is_history = matches!(self.active_view, ActiveView::History);
1467        let new_is_history = matches!(new_view, ActiveView::History);
1468
1469        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1470        let new_is_config = matches!(new_view, ActiveView::Configuration);
1471
1472        let current_is_special = current_is_history || current_is_config;
1473        let new_is_special = new_is_history || new_is_config;
1474
1475        match &self.active_view {
1476            ActiveView::Thread { thread, .. } => {
1477                let thread = thread.read(cx);
1478                if thread.is_empty() {
1479                    let id = thread.thread().read(cx).id().clone();
1480                    self.history_store.update(cx, |store, cx| {
1481                        store.remove_recently_opened_thread(id, cx);
1482                    });
1483                }
1484            }
1485            _ => {}
1486        }
1487
1488        match &new_view {
1489            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1490                let id = thread.read(cx).thread().read(cx).id().clone();
1491                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1492            }),
1493            ActiveView::TextThread { context_editor, .. } => {
1494                self.history_store.update(cx, |store, cx| {
1495                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1496                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1497                    }
1498                })
1499            }
1500            ActiveView::ExternalAgentThread { .. } => {}
1501            ActiveView::History | ActiveView::Configuration => {}
1502        }
1503
1504        if current_is_special && !new_is_special {
1505            self.active_view = new_view;
1506        } else if !current_is_special && new_is_special {
1507            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1508        } else {
1509            if !new_is_special {
1510                self.previous_view = None;
1511            }
1512            self.active_view = new_view;
1513        }
1514
1515        self.acp_message_history.borrow_mut().reset_position();
1516
1517        self.focus_handle(cx).focus(window);
1518    }
1519
1520    fn populate_recently_opened_menu_section(
1521        mut menu: ContextMenu,
1522        panel: Entity<Self>,
1523        cx: &mut Context<ContextMenu>,
1524    ) -> ContextMenu {
1525        let entries = panel
1526            .read(cx)
1527            .history_store
1528            .read(cx)
1529            .recently_opened_entries(cx);
1530
1531        if entries.is_empty() {
1532            return menu;
1533        }
1534
1535        menu = menu.header("Recently Opened");
1536
1537        for entry in entries {
1538            let title = entry.title().clone();
1539            let id = entry.id();
1540
1541            menu = menu.entry_with_end_slot_on_hover(
1542                title,
1543                None,
1544                {
1545                    let panel = panel.downgrade();
1546                    let id = id.clone();
1547                    move |window, cx| {
1548                        let id = id.clone();
1549                        panel
1550                            .update(cx, move |this, cx| match id {
1551                                HistoryEntryId::Thread(id) => this
1552                                    .open_thread_by_id(&id, window, cx)
1553                                    .detach_and_log_err(cx),
1554                                HistoryEntryId::Context(path) => this
1555                                    .open_saved_prompt_editor(path.clone(), window, cx)
1556                                    .detach_and_log_err(cx),
1557                            })
1558                            .ok();
1559                    }
1560                },
1561                IconName::Close,
1562                "Close Entry".into(),
1563                {
1564                    let panel = panel.downgrade();
1565                    let id = id.clone();
1566                    move |_window, cx| {
1567                        panel
1568                            .update(cx, |this, cx| {
1569                                this.history_store.update(cx, |history_store, cx| {
1570                                    history_store.remove_recently_opened_entry(&id, cx);
1571                                });
1572                            })
1573                            .ok();
1574                    }
1575                },
1576            );
1577        }
1578
1579        menu = menu.separator();
1580
1581        menu
1582    }
1583}
1584
1585impl Focusable for AgentPanel {
1586    fn focus_handle(&self, cx: &App) -> FocusHandle {
1587        match &self.active_view {
1588            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1589            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1590            ActiveView::History => self.history.focus_handle(cx),
1591            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1592            ActiveView::Configuration => {
1593                if let Some(configuration) = self.configuration.as_ref() {
1594                    configuration.focus_handle(cx)
1595                } else {
1596                    cx.focus_handle()
1597                }
1598            }
1599        }
1600    }
1601}
1602
1603fn agent_panel_dock_position(cx: &App) -> DockPosition {
1604    match AgentSettings::get_global(cx).dock {
1605        AgentDockPosition::Left => DockPosition::Left,
1606        AgentDockPosition::Bottom => DockPosition::Bottom,
1607        AgentDockPosition::Right => DockPosition::Right,
1608    }
1609}
1610
1611impl EventEmitter<PanelEvent> for AgentPanel {}
1612
1613impl Panel for AgentPanel {
1614    fn persistent_name() -> &'static str {
1615        "AgentPanel"
1616    }
1617
1618    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1619        agent_panel_dock_position(cx)
1620    }
1621
1622    fn position_is_valid(&self, position: DockPosition) -> bool {
1623        position != DockPosition::Bottom
1624    }
1625
1626    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1627        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1628            let dock = match position {
1629                DockPosition::Left => AgentDockPosition::Left,
1630                DockPosition::Bottom => AgentDockPosition::Bottom,
1631                DockPosition::Right => AgentDockPosition::Right,
1632            };
1633            settings.set_dock(dock);
1634        });
1635    }
1636
1637    fn size(&self, window: &Window, cx: &App) -> Pixels {
1638        let settings = AgentSettings::get_global(cx);
1639        match self.position(window, cx) {
1640            DockPosition::Left | DockPosition::Right => {
1641                self.width.unwrap_or(settings.default_width)
1642            }
1643            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1644        }
1645    }
1646
1647    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1648        match self.position(window, cx) {
1649            DockPosition::Left | DockPosition::Right => self.width = size,
1650            DockPosition::Bottom => self.height = size,
1651        }
1652        self.serialize(cx);
1653        cx.notify();
1654    }
1655
1656    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1657
1658    fn remote_id() -> Option<proto::PanelId> {
1659        Some(proto::PanelId::AssistantPanel)
1660    }
1661
1662    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1663        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1664    }
1665
1666    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1667        Some("Agent Panel")
1668    }
1669
1670    fn toggle_action(&self) -> Box<dyn Action> {
1671        Box::new(ToggleFocus)
1672    }
1673
1674    fn activation_priority(&self) -> u32 {
1675        3
1676    }
1677
1678    fn enabled(&self, cx: &App) -> bool {
1679        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
1680    }
1681
1682    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1683        self.zoomed
1684    }
1685
1686    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1687        self.zoomed = zoomed;
1688        cx.notify();
1689    }
1690}
1691
1692impl AgentPanel {
1693    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1694        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1695
1696        let content = match &self.active_view {
1697            ActiveView::Thread {
1698                thread: active_thread,
1699                change_title_editor,
1700                ..
1701            } => {
1702                let state = {
1703                    let active_thread = active_thread.read(cx);
1704                    if active_thread.is_empty() {
1705                        &ThreadSummary::Pending
1706                    } else {
1707                        active_thread.summary(cx)
1708                    }
1709                };
1710
1711                match state {
1712                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
1713                        .truncate()
1714                        .into_any_element(),
1715                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1716                        .truncate()
1717                        .into_any_element(),
1718                    ThreadSummary::Ready(_) => div()
1719                        .w_full()
1720                        .child(change_title_editor.clone())
1721                        .into_any_element(),
1722                    ThreadSummary::Error => h_flex()
1723                        .w_full()
1724                        .child(change_title_editor.clone())
1725                        .child(
1726                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1727                                .on_click({
1728                                    let active_thread = active_thread.clone();
1729                                    move |_, _window, cx| {
1730                                        active_thread.update(cx, |thread, cx| {
1731                                            thread.regenerate_summary(cx);
1732                                        });
1733                                    }
1734                                })
1735                                .tooltip(move |_window, cx| {
1736                                    cx.new(|_| {
1737                                        Tooltip::new("Failed to generate title")
1738                                            .meta("Click to try again")
1739                                    })
1740                                    .into()
1741                                }),
1742                        )
1743                        .into_any_element(),
1744                }
1745            }
1746            ActiveView::ExternalAgentThread { thread_view } => {
1747                Label::new(thread_view.read(cx).title(cx))
1748                    .truncate()
1749                    .into_any_element()
1750            }
1751            ActiveView::TextThread {
1752                title_editor,
1753                context_editor,
1754                ..
1755            } => {
1756                let summary = context_editor.read(cx).context().read(cx).summary();
1757
1758                match summary {
1759                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1760                        .truncate()
1761                        .into_any_element(),
1762                    ContextSummary::Content(summary) => {
1763                        if summary.done {
1764                            div()
1765                                .w_full()
1766                                .child(title_editor.clone())
1767                                .into_any_element()
1768                        } else {
1769                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1770                                .truncate()
1771                                .into_any_element()
1772                        }
1773                    }
1774                    ContextSummary::Error => h_flex()
1775                        .w_full()
1776                        .child(title_editor.clone())
1777                        .child(
1778                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1779                                .on_click({
1780                                    let context_editor = context_editor.clone();
1781                                    move |_, _window, cx| {
1782                                        context_editor.update(cx, |context_editor, cx| {
1783                                            context_editor.regenerate_summary(cx);
1784                                        });
1785                                    }
1786                                })
1787                                .tooltip(move |_window, cx| {
1788                                    cx.new(|_| {
1789                                        Tooltip::new("Failed to generate title")
1790                                            .meta("Click to try again")
1791                                    })
1792                                    .into()
1793                                }),
1794                        )
1795                        .into_any_element(),
1796                }
1797            }
1798            ActiveView::History => Label::new("History").truncate().into_any_element(),
1799            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1800        };
1801
1802        h_flex()
1803            .key_context("TitleEditor")
1804            .id("TitleEditor")
1805            .flex_grow()
1806            .w_full()
1807            .max_w_full()
1808            .overflow_x_scroll()
1809            .child(content)
1810            .into_any()
1811    }
1812
1813    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1814        let user_store = self.user_store.read(cx);
1815        let usage = user_store.model_request_usage();
1816
1817        let account_url = zed_urls::account_url(cx);
1818
1819        let focus_handle = self.focus_handle(cx);
1820
1821        let go_back_button = div().child(
1822            IconButton::new("go-back", IconName::ArrowLeft)
1823                .icon_size(IconSize::Small)
1824                .on_click(cx.listener(|this, _, window, cx| {
1825                    this.go_back(&workspace::GoBack, window, cx);
1826                }))
1827                .tooltip({
1828                    let focus_handle = focus_handle.clone();
1829                    move |window, cx| {
1830                        Tooltip::for_action_in(
1831                            "Go Back",
1832                            &workspace::GoBack,
1833                            &focus_handle,
1834                            window,
1835                            cx,
1836                        )
1837                    }
1838                }),
1839        );
1840
1841        let recent_entries_menu = div().child(
1842            PopoverMenu::new("agent-nav-menu")
1843                .trigger_with_tooltip(
1844                    IconButton::new("agent-nav-menu", IconName::MenuAlt)
1845                        .icon_size(IconSize::Small)
1846                        .style(ui::ButtonStyle::Subtle),
1847                    {
1848                        let focus_handle = focus_handle.clone();
1849                        move |window, cx| {
1850                            Tooltip::for_action_in(
1851                                "Toggle Panel Menu",
1852                                &ToggleNavigationMenu,
1853                                &focus_handle,
1854                                window,
1855                                cx,
1856                            )
1857                        }
1858                    },
1859                )
1860                .anchor(Corner::TopLeft)
1861                .with_handle(self.assistant_navigation_menu_handle.clone())
1862                .menu({
1863                    let menu = self.assistant_navigation_menu.clone();
1864                    move |window, cx| {
1865                        if let Some(menu) = menu.as_ref() {
1866                            menu.update(cx, |_, cx| {
1867                                cx.defer_in(window, |menu, window, cx| {
1868                                    menu.rebuild(window, cx);
1869                                });
1870                            })
1871                        }
1872                        menu.clone()
1873                    }
1874                }),
1875        );
1876
1877        let full_screen_label = if self.is_zoomed(window, cx) {
1878            "Disable Full Screen"
1879        } else {
1880            "Enable Full Screen"
1881        };
1882
1883        let active_thread = match &self.active_view {
1884            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1885            ActiveView::ExternalAgentThread { .. }
1886            | ActiveView::TextThread { .. }
1887            | ActiveView::History
1888            | ActiveView::Configuration => None,
1889        };
1890
1891        let new_thread_menu = PopoverMenu::new("new_thread_menu")
1892            .trigger_with_tooltip(
1893                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
1894                Tooltip::text("New Thread…"),
1895            )
1896            .anchor(Corner::TopRight)
1897            .with_handle(self.new_thread_menu_handle.clone())
1898            .menu({
1899                let focus_handle = focus_handle.clone();
1900                move |window, cx| {
1901                    let active_thread = active_thread.clone();
1902                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
1903                        menu = menu
1904                            .context(focus_handle.clone())
1905                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
1906                                this.header("Zed Agent")
1907                            })
1908                            .when_some(active_thread, |this, active_thread| {
1909                                let thread = active_thread.read(cx);
1910
1911                                if !thread.is_empty() {
1912                                    let thread_id = thread.id().clone();
1913                                    this.item(
1914                                        ContextMenuEntry::new("New From Summary")
1915                                            .icon(IconName::ThreadFromSummary)
1916                                            .icon_color(Color::Muted)
1917                                            .handler(move |window, cx| {
1918                                                window.dispatch_action(
1919                                                    Box::new(NewThread {
1920                                                        from_thread_id: Some(thread_id.clone()),
1921                                                    }),
1922                                                    cx,
1923                                                );
1924                                            }),
1925                                    )
1926                                } else {
1927                                    this
1928                                }
1929                            })
1930                            .item(
1931                                ContextMenuEntry::new("New Thread")
1932                                    .icon(IconName::Thread)
1933                                    .icon_color(Color::Muted)
1934                                    .action(NewThread::default().boxed_clone())
1935                                    .handler(move |window, cx| {
1936                                        window.dispatch_action(
1937                                            NewThread::default().boxed_clone(),
1938                                            cx,
1939                                        );
1940                                    }),
1941                            )
1942                            .item(
1943                                ContextMenuEntry::new("New Text Thread")
1944                                    .icon(IconName::TextThread)
1945                                    .icon_color(Color::Muted)
1946                                    .action(NewTextThread.boxed_clone())
1947                                    .handler(move |window, cx| {
1948                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
1949                                    }),
1950                            )
1951                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
1952                                this.separator()
1953                                    .header("External Agents")
1954                                    .item(
1955                                        ContextMenuEntry::new("New Gemini Thread")
1956                                            .icon(IconName::AiGemini)
1957                                            .icon_color(Color::Muted)
1958                                            .handler(move |window, cx| {
1959                                                window.dispatch_action(
1960                                                    NewExternalAgentThread {
1961                                                        agent: Some(crate::ExternalAgent::Gemini),
1962                                                    }
1963                                                    .boxed_clone(),
1964                                                    cx,
1965                                                );
1966                                            }),
1967                                    )
1968                                    .item(
1969                                        ContextMenuEntry::new("New Claude Code Thread")
1970                                            .icon(IconName::AiClaude)
1971                                            .icon_color(Color::Muted)
1972                                            .handler(move |window, cx| {
1973                                                window.dispatch_action(
1974                                                    NewExternalAgentThread {
1975                                                        agent: Some(
1976                                                            crate::ExternalAgent::ClaudeCode,
1977                                                        ),
1978                                                    }
1979                                                    .boxed_clone(),
1980                                                    cx,
1981                                                );
1982                                            }),
1983                                    )
1984                                    .item(
1985                                        ContextMenuEntry::new("New Native Agent Thread")
1986                                            .icon(IconName::ZedAssistant)
1987                                            .icon_color(Color::Muted)
1988                                            .handler(move |window, cx| {
1989                                                window.dispatch_action(
1990                                                    NewExternalAgentThread {
1991                                                        agent: Some(
1992                                                            crate::ExternalAgent::NativeAgent,
1993                                                        ),
1994                                                    }
1995                                                    .boxed_clone(),
1996                                                    cx,
1997                                                );
1998                                            }),
1999                                    )
2000                            });
2001                        menu
2002                    }))
2003                }
2004            });
2005
2006        let agent_panel_menu = PopoverMenu::new("agent-options-menu")
2007            .trigger_with_tooltip(
2008                IconButton::new("agent-options-menu", IconName::Ellipsis)
2009                    .icon_size(IconSize::Small),
2010                {
2011                    let focus_handle = focus_handle.clone();
2012                    move |window, cx| {
2013                        Tooltip::for_action_in(
2014                            "Toggle Agent Menu",
2015                            &ToggleOptionsMenu,
2016                            &focus_handle,
2017                            window,
2018                            cx,
2019                        )
2020                    }
2021                },
2022            )
2023            .anchor(Corner::TopRight)
2024            .with_handle(self.agent_panel_menu_handle.clone())
2025            .menu({
2026                let focus_handle = focus_handle.clone();
2027                move |window, cx| {
2028                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
2029                        menu = menu.context(focus_handle.clone());
2030                        if let Some(usage) = usage {
2031                            menu = menu
2032                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
2033                                .custom_entry(
2034                                    move |_window, cx| {
2035                                        let used_percentage = match usage.limit {
2036                                            UsageLimit::Limited(limit) => {
2037                                                Some((usage.amount as f32 / limit as f32) * 100.)
2038                                            }
2039                                            UsageLimit::Unlimited => None,
2040                                        };
2041
2042                                        h_flex()
2043                                            .flex_1()
2044                                            .gap_1p5()
2045                                            .children(used_percentage.map(|percent| {
2046                                                ProgressBar::new("usage", percent, 100., cx)
2047                                            }))
2048                                            .child(
2049                                                Label::new(match usage.limit {
2050                                                    UsageLimit::Limited(limit) => {
2051                                                        format!("{} / {limit}", usage.amount)
2052                                                    }
2053                                                    UsageLimit::Unlimited => {
2054                                                        format!("{} / ∞", usage.amount)
2055                                                    }
2056                                                })
2057                                                .size(LabelSize::Small)
2058                                                .color(Color::Muted),
2059                                            )
2060                                            .into_any_element()
2061                                    },
2062                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
2063                                )
2064                                .separator()
2065                        }
2066
2067                        menu = menu
2068                            .header("MCP Servers")
2069                            .action(
2070                                "View Server Extensions",
2071                                Box::new(zed_actions::Extensions {
2072                                    category_filter: Some(
2073                                        zed_actions::ExtensionCategoryFilter::ContextServers,
2074                                    ),
2075                                    id: None,
2076                                }),
2077                            )
2078                            .action("Add Custom Server…", Box::new(AddContextServer))
2079                            .separator();
2080
2081                        menu = menu
2082                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
2083                            .action("Settings", Box::new(OpenSettings))
2084                            .separator()
2085                            .action(full_screen_label, Box::new(ToggleZoom));
2086                        menu
2087                    }))
2088                }
2089            });
2090
2091        h_flex()
2092            .id("assistant-toolbar")
2093            .h(Tab::container_height(cx))
2094            .max_w_full()
2095            .flex_none()
2096            .justify_between()
2097            .gap_2()
2098            .bg(cx.theme().colors().tab_bar_background)
2099            .border_b_1()
2100            .border_color(cx.theme().colors().border)
2101            .child(
2102                h_flex()
2103                    .size_full()
2104                    .pl_1()
2105                    .gap_1()
2106                    .child(match &self.active_view {
2107                        ActiveView::History | ActiveView::Configuration => go_back_button,
2108                        _ => recent_entries_menu,
2109                    })
2110                    .child(self.render_title_view(window, cx)),
2111            )
2112            .child(
2113                h_flex()
2114                    .h_full()
2115                    .gap_2()
2116                    .children(self.render_token_count(cx))
2117                    .child(
2118                        h_flex()
2119                            .h_full()
2120                            .gap(DynamicSpacing::Base02.rems(cx))
2121                            .px(DynamicSpacing::Base08.rems(cx))
2122                            .border_l_1()
2123                            .border_color(cx.theme().colors().border)
2124                            .child(new_thread_menu)
2125                            .child(agent_panel_menu),
2126                    ),
2127            )
2128    }
2129
2130    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2131        match &self.active_view {
2132            ActiveView::Thread {
2133                thread,
2134                message_editor,
2135                ..
2136            } => {
2137                let active_thread = thread.read(cx);
2138                let message_editor = message_editor.read(cx);
2139
2140                let editor_empty = message_editor.is_editor_fully_empty(cx);
2141
2142                if active_thread.is_empty() && editor_empty {
2143                    return None;
2144                }
2145
2146                let thread = active_thread.thread().read(cx);
2147                let is_generating = thread.is_generating();
2148                let conversation_token_usage = thread.total_token_usage()?;
2149
2150                let (total_token_usage, is_estimating) =
2151                    if let Some((editing_message_id, unsent_tokens)) =
2152                        active_thread.editing_message_id()
2153                    {
2154                        let combined = thread
2155                            .token_usage_up_to_message(editing_message_id)
2156                            .add(unsent_tokens);
2157
2158                        (combined, unsent_tokens > 0)
2159                    } else {
2160                        let unsent_tokens =
2161                            message_editor.last_estimated_token_count().unwrap_or(0);
2162                        let combined = conversation_token_usage.add(unsent_tokens);
2163
2164                        (combined, unsent_tokens > 0)
2165                    };
2166
2167                let is_waiting_to_update_token_count =
2168                    message_editor.is_waiting_to_update_token_count();
2169
2170                if total_token_usage.total == 0 {
2171                    return None;
2172                }
2173
2174                let token_color = match total_token_usage.ratio() {
2175                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2176                    TokenUsageRatio::Normal => Color::Muted,
2177                    TokenUsageRatio::Warning => Color::Warning,
2178                    TokenUsageRatio::Exceeded => Color::Error,
2179                };
2180
2181                let token_count = h_flex()
2182                    .id("token-count")
2183                    .flex_shrink_0()
2184                    .gap_0p5()
2185                    .when(!is_generating && is_estimating, |parent| {
2186                        parent
2187                            .child(
2188                                h_flex()
2189                                    .mr_1()
2190                                    .size_2p5()
2191                                    .justify_center()
2192                                    .rounded_full()
2193                                    .bg(cx.theme().colors().text.opacity(0.1))
2194                                    .child(
2195                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2196                                    ),
2197                            )
2198                            .tooltip(move |window, cx| {
2199                                Tooltip::with_meta(
2200                                    "Estimated New Token Count",
2201                                    None,
2202                                    format!(
2203                                        "Current Conversation Tokens: {}",
2204                                        humanize_token_count(conversation_token_usage.total)
2205                                    ),
2206                                    window,
2207                                    cx,
2208                                )
2209                            })
2210                    })
2211                    .child(
2212                        Label::new(humanize_token_count(total_token_usage.total))
2213                            .size(LabelSize::Small)
2214                            .color(token_color)
2215                            .map(|label| {
2216                                if is_generating || is_waiting_to_update_token_count {
2217                                    label
2218                                        .with_animation(
2219                                            "used-tokens-label",
2220                                            Animation::new(Duration::from_secs(2))
2221                                                .repeat()
2222                                                .with_easing(pulsating_between(0.6, 1.)),
2223                                            |label, delta| label.alpha(delta),
2224                                        )
2225                                        .into_any()
2226                                } else {
2227                                    label.into_any_element()
2228                                }
2229                            }),
2230                    )
2231                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2232                    .child(
2233                        Label::new(humanize_token_count(total_token_usage.max))
2234                            .size(LabelSize::Small)
2235                            .color(Color::Muted),
2236                    )
2237                    .into_any();
2238
2239                Some(token_count)
2240            }
2241            ActiveView::TextThread { context_editor, .. } => {
2242                let element = render_remaining_tokens(context_editor, cx)?;
2243
2244                Some(element.into_any_element())
2245            }
2246            ActiveView::ExternalAgentThread { .. }
2247            | ActiveView::History
2248            | ActiveView::Configuration => {
2249                return None;
2250            }
2251        }
2252    }
2253
2254    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2255        if TrialEndUpsell::dismissed() {
2256            return false;
2257        }
2258
2259        match &self.active_view {
2260            ActiveView::Thread { thread, .. } => {
2261                if thread
2262                    .read(cx)
2263                    .thread()
2264                    .read(cx)
2265                    .configured_model()
2266                    .map_or(false, |model| {
2267                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2268                    })
2269                {
2270                    return false;
2271                }
2272            }
2273            ActiveView::TextThread { .. } => {
2274                if LanguageModelRegistry::global(cx)
2275                    .read(cx)
2276                    .default_model()
2277                    .map_or(false, |model| {
2278                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2279                    })
2280                {
2281                    return false;
2282                }
2283            }
2284            ActiveView::ExternalAgentThread { .. }
2285            | ActiveView::History
2286            | ActiveView::Configuration => return false,
2287        }
2288
2289        let plan = self.user_store.read(cx).plan();
2290        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2291
2292        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
2293    }
2294
2295    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2296        if OnboardingUpsell::dismissed() {
2297            return false;
2298        }
2299
2300        match &self.active_view {
2301            ActiveView::Thread { .. } | ActiveView::TextThread { .. } => {
2302                let history_is_empty = self
2303                    .history_store
2304                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2305
2306                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2307                    .providers()
2308                    .iter()
2309                    .any(|provider| {
2310                        provider.is_authenticated(cx)
2311                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2312                    });
2313
2314                history_is_empty || !has_configured_non_zed_providers
2315            }
2316            ActiveView::ExternalAgentThread { .. }
2317            | ActiveView::History
2318            | ActiveView::Configuration => false,
2319        }
2320    }
2321
2322    fn render_onboarding(
2323        &self,
2324        _window: &mut Window,
2325        cx: &mut Context<Self>,
2326    ) -> Option<impl IntoElement> {
2327        if !self.should_render_onboarding(cx) {
2328            return None;
2329        }
2330
2331        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
2332        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2333
2334        Some(
2335            div()
2336                .when(thread_view, |this| {
2337                    this.size_full().bg(cx.theme().colors().panel_background)
2338                })
2339                .when(text_thread_view, |this| {
2340                    this.bg(cx.theme().colors().editor_background)
2341                })
2342                .child(self.onboarding.clone()),
2343        )
2344    }
2345
2346    fn render_trial_end_upsell(
2347        &self,
2348        _window: &mut Window,
2349        cx: &mut Context<Self>,
2350    ) -> Option<impl IntoElement> {
2351        if !self.should_render_trial_end_upsell(cx) {
2352            return None;
2353        }
2354
2355        Some(EndTrialUpsell::new(Arc::new({
2356            let this = cx.entity();
2357            move |_, cx| {
2358                this.update(cx, |_this, cx| {
2359                    TrialEndUpsell::set_dismissed(true, cx);
2360                    cx.notify();
2361                });
2362            }
2363        })))
2364    }
2365
2366    fn render_empty_state_section_header(
2367        &self,
2368        label: impl Into<SharedString>,
2369        action_slot: Option<AnyElement>,
2370        cx: &mut Context<Self>,
2371    ) -> impl IntoElement {
2372        h_flex()
2373            .mt_2()
2374            .pl_1p5()
2375            .pb_1()
2376            .w_full()
2377            .justify_between()
2378            .border_b_1()
2379            .border_color(cx.theme().colors().border_variant)
2380            .child(
2381                Label::new(label.into())
2382                    .size(LabelSize::Small)
2383                    .color(Color::Muted),
2384            )
2385            .children(action_slot)
2386    }
2387
2388    fn render_thread_empty_state(
2389        &self,
2390        window: &mut Window,
2391        cx: &mut Context<Self>,
2392    ) -> impl IntoElement {
2393        let recent_history = self
2394            .history_store
2395            .update(cx, |this, cx| this.recent_entries(6, cx));
2396
2397        let model_registry = LanguageModelRegistry::read_global(cx);
2398
2399        let configuration_error =
2400            model_registry.configuration_error(model_registry.default_model(), cx);
2401
2402        let no_error = configuration_error.is_none();
2403        let focus_handle = self.focus_handle(cx);
2404
2405        v_flex()
2406            .size_full()
2407            .bg(cx.theme().colors().panel_background)
2408            .when(recent_history.is_empty(), |this| {
2409                this.child(
2410                    v_flex()
2411                        .size_full()
2412                        .mx_auto()
2413                        .justify_center()
2414                        .items_center()
2415                        .gap_1()
2416                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2417                        .when(no_error, |parent| {
2418                            parent
2419                                .child(h_flex().child(
2420                                    Label::new("Ask and build anything.").color(Color::Muted),
2421                                ))
2422                                .child(
2423                                    v_flex()
2424                                        .mt_2()
2425                                        .gap_1()
2426                                        .max_w_48()
2427                                        .child(
2428                                            Button::new("context", "Add Context")
2429                                                .label_size(LabelSize::Small)
2430                                                .icon(IconName::FileCode)
2431                                                .icon_position(IconPosition::Start)
2432                                                .icon_size(IconSize::Small)
2433                                                .icon_color(Color::Muted)
2434                                                .full_width()
2435                                                .key_binding(KeyBinding::for_action_in(
2436                                                    &ToggleContextPicker,
2437                                                    &focus_handle,
2438                                                    window,
2439                                                    cx,
2440                                                ))
2441                                                .on_click(|_event, window, cx| {
2442                                                    window.dispatch_action(
2443                                                        ToggleContextPicker.boxed_clone(),
2444                                                        cx,
2445                                                    )
2446                                                }),
2447                                        )
2448                                        .child(
2449                                            Button::new("mode", "Switch Model")
2450                                                .label_size(LabelSize::Small)
2451                                                .icon(IconName::DatabaseZap)
2452                                                .icon_position(IconPosition::Start)
2453                                                .icon_size(IconSize::Small)
2454                                                .icon_color(Color::Muted)
2455                                                .full_width()
2456                                                .key_binding(KeyBinding::for_action_in(
2457                                                    &ToggleModelSelector,
2458                                                    &focus_handle,
2459                                                    window,
2460                                                    cx,
2461                                                ))
2462                                                .on_click(|_event, window, cx| {
2463                                                    window.dispatch_action(
2464                                                        ToggleModelSelector.boxed_clone(),
2465                                                        cx,
2466                                                    )
2467                                                }),
2468                                        )
2469                                        .child(
2470                                            Button::new("settings", "View Settings")
2471                                                .label_size(LabelSize::Small)
2472                                                .icon(IconName::Settings)
2473                                                .icon_position(IconPosition::Start)
2474                                                .icon_size(IconSize::Small)
2475                                                .icon_color(Color::Muted)
2476                                                .full_width()
2477                                                .key_binding(KeyBinding::for_action_in(
2478                                                    &OpenSettings,
2479                                                    &focus_handle,
2480                                                    window,
2481                                                    cx,
2482                                                ))
2483                                                .on_click(|_event, window, cx| {
2484                                                    window.dispatch_action(
2485                                                        OpenSettings.boxed_clone(),
2486                                                        cx,
2487                                                    )
2488                                                }),
2489                                        ),
2490                                )
2491                        })
2492                        .when_some(configuration_error.as_ref(), |this, err| {
2493                            this.child(self.render_configuration_error(
2494                                err,
2495                                &focus_handle,
2496                                window,
2497                                cx,
2498                            ))
2499                        }),
2500                )
2501            })
2502            .when(!recent_history.is_empty(), |parent| {
2503                let focus_handle = focus_handle.clone();
2504                parent
2505                    .overflow_hidden()
2506                    .p_1p5()
2507                    .justify_end()
2508                    .gap_1()
2509                    .child(
2510                        self.render_empty_state_section_header(
2511                            "Recent",
2512                            Some(
2513                                Button::new("view-history", "View All")
2514                                    .style(ButtonStyle::Subtle)
2515                                    .label_size(LabelSize::Small)
2516                                    .key_binding(
2517                                        KeyBinding::for_action_in(
2518                                            &OpenHistory,
2519                                            &self.focus_handle(cx),
2520                                            window,
2521                                            cx,
2522                                        )
2523                                        .map(|kb| kb.size(rems_from_px(12.))),
2524                                    )
2525                                    .on_click(move |_event, window, cx| {
2526                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2527                                    })
2528                                    .into_any_element(),
2529                            ),
2530                            cx,
2531                        ),
2532                    )
2533                    .child(
2534                        v_flex()
2535                            .gap_1()
2536                            .children(recent_history.into_iter().enumerate().map(
2537                                |(index, entry)| {
2538                                    // TODO: Add keyboard navigation.
2539                                    let is_hovered =
2540                                        self.hovered_recent_history_item == Some(index);
2541                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2542                                        .hovered(is_hovered)
2543                                        .on_hover(cx.listener(
2544                                            move |this, is_hovered, _window, cx| {
2545                                                if *is_hovered {
2546                                                    this.hovered_recent_history_item = Some(index);
2547                                                } else if this.hovered_recent_history_item
2548                                                    == Some(index)
2549                                                {
2550                                                    this.hovered_recent_history_item = None;
2551                                                }
2552                                                cx.notify();
2553                                            },
2554                                        ))
2555                                        .into_any_element()
2556                                },
2557                            )),
2558                    )
2559                    .child(self.render_empty_state_section_header("Start", None, cx))
2560                    .child(
2561                        v_flex()
2562                            .p_1()
2563                            .gap_2()
2564                            .child(
2565                                h_flex()
2566                                    .w_full()
2567                                    .gap_2()
2568                                    .child(
2569                                        NewThreadButton::new(
2570                                            "new-thread-btn",
2571                                            "New Thread",
2572                                            IconName::Thread,
2573                                        )
2574                                        .keybinding(KeyBinding::for_action_in(
2575                                            &NewThread::default(),
2576                                            &self.focus_handle(cx),
2577                                            window,
2578                                            cx,
2579                                        ))
2580                                        .on_click(
2581                                            |window, cx| {
2582                                                window.dispatch_action(
2583                                                    NewThread::default().boxed_clone(),
2584                                                    cx,
2585                                                )
2586                                            },
2587                                        ),
2588                                    )
2589                                    .child(
2590                                        NewThreadButton::new(
2591                                            "new-text-thread-btn",
2592                                            "New Text Thread",
2593                                            IconName::TextThread,
2594                                        )
2595                                        .keybinding(KeyBinding::for_action_in(
2596                                            &NewTextThread,
2597                                            &self.focus_handle(cx),
2598                                            window,
2599                                            cx,
2600                                        ))
2601                                        .on_click(
2602                                            |window, cx| {
2603                                                window.dispatch_action(Box::new(NewTextThread), cx)
2604                                            },
2605                                        ),
2606                                    ),
2607                            )
2608                            .when(cx.has_flag::<feature_flags::AcpFeatureFlag>(), |this| {
2609                                this.child(
2610                                    h_flex()
2611                                        .w_full()
2612                                        .gap_2()
2613                                        .child(
2614                                            NewThreadButton::new(
2615                                                "new-gemini-thread-btn",
2616                                                "New Gemini Thread",
2617                                                IconName::AiGemini,
2618                                            )
2619                                            // .keybinding(KeyBinding::for_action_in(
2620                                            //     &OpenHistory,
2621                                            //     &self.focus_handle(cx),
2622                                            //     window,
2623                                            //     cx,
2624                                            // ))
2625                                            .on_click(
2626                                                |window, cx| {
2627                                                    window.dispatch_action(
2628                                                        Box::new(NewExternalAgentThread {
2629                                                            agent: Some(
2630                                                                crate::ExternalAgent::Gemini,
2631                                                            ),
2632                                                        }),
2633                                                        cx,
2634                                                    )
2635                                                },
2636                                            ),
2637                                        )
2638                                        .child(
2639                                            NewThreadButton::new(
2640                                                "new-claude-thread-btn",
2641                                                "New Claude Code Thread",
2642                                                IconName::AiClaude,
2643                                            )
2644                                            // .keybinding(KeyBinding::for_action_in(
2645                                            //     &OpenHistory,
2646                                            //     &self.focus_handle(cx),
2647                                            //     window,
2648                                            //     cx,
2649                                            // ))
2650                                            .on_click(
2651                                                |window, cx| {
2652                                                    window.dispatch_action(
2653                                                        Box::new(NewExternalAgentThread {
2654                                                            agent: Some(
2655                                                                crate::ExternalAgent::ClaudeCode,
2656                                                            ),
2657                                                        }),
2658                                                        cx,
2659                                                    )
2660                                                },
2661                                            ),
2662                                        )
2663                                        .child(
2664                                            NewThreadButton::new(
2665                                                "new-native-agent-thread-btn",
2666                                                "New Native Agent Thread",
2667                                                IconName::ZedAssistant,
2668                                            )
2669                                            // .keybinding(KeyBinding::for_action_in(
2670                                            //     &OpenHistory,
2671                                            //     &self.focus_handle(cx),
2672                                            //     window,
2673                                            //     cx,
2674                                            // ))
2675                                            .on_click(
2676                                                |window, cx| {
2677                                                    window.dispatch_action(
2678                                                        Box::new(NewExternalAgentThread {
2679                                                            agent: Some(
2680                                                                crate::ExternalAgent::NativeAgent,
2681                                                            ),
2682                                                        }),
2683                                                        cx,
2684                                                    )
2685                                                },
2686                                            ),
2687                                        ),
2688                                )
2689                            }),
2690                    )
2691                    .when_some(configuration_error.as_ref(), |this, err| {
2692                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
2693                    })
2694            })
2695    }
2696
2697    fn render_configuration_error(
2698        &self,
2699        configuration_error: &ConfigurationError,
2700        focus_handle: &FocusHandle,
2701        window: &mut Window,
2702        cx: &mut App,
2703    ) -> impl IntoElement {
2704        match configuration_error {
2705            ConfigurationError::ModelNotFound
2706            | ConfigurationError::ProviderNotAuthenticated(_)
2707            | ConfigurationError::NoProvider => Banner::new()
2708                .severity(ui::Severity::Warning)
2709                .child(Label::new(configuration_error.to_string()))
2710                .action_slot(
2711                    Button::new("settings", "Configure Provider")
2712                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2713                        .label_size(LabelSize::Small)
2714                        .key_binding(
2715                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
2716                                .map(|kb| kb.size(rems_from_px(12.))),
2717                        )
2718                        .on_click(|_event, window, cx| {
2719                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2720                        }),
2721                ),
2722            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
2723                Banner::new().severity(ui::Severity::Warning).child(
2724                    h_flex().w_full().children(
2725                        provider.render_accept_terms(
2726                            LanguageModelProviderTosView::ThreadEmptyState,
2727                            cx,
2728                        ),
2729                    ),
2730                )
2731            }
2732        }
2733    }
2734
2735    fn render_tool_use_limit_reached(
2736        &self,
2737        window: &mut Window,
2738        cx: &mut Context<Self>,
2739    ) -> Option<AnyElement> {
2740        let active_thread = match &self.active_view {
2741            ActiveView::Thread { thread, .. } => thread,
2742            ActiveView::ExternalAgentThread { .. } => {
2743                return None;
2744            }
2745            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2746                return None;
2747            }
2748        };
2749
2750        let thread = active_thread.read(cx).thread().read(cx);
2751
2752        let tool_use_limit_reached = thread.tool_use_limit_reached();
2753        if !tool_use_limit_reached {
2754            return None;
2755        }
2756
2757        let model = thread.configured_model()?.model;
2758
2759        let focus_handle = self.focus_handle(cx);
2760
2761        let banner = Banner::new()
2762            .severity(ui::Severity::Info)
2763            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
2764            .action_slot(
2765                h_flex()
2766                    .gap_1()
2767                    .child(
2768                        Button::new("continue-conversation", "Continue")
2769                            .layer(ElevationIndex::ModalSurface)
2770                            .label_size(LabelSize::Small)
2771                            .key_binding(
2772                                KeyBinding::for_action_in(
2773                                    &ContinueThread,
2774                                    &focus_handle,
2775                                    window,
2776                                    cx,
2777                                )
2778                                .map(|kb| kb.size(rems_from_px(10.))),
2779                            )
2780                            .on_click(cx.listener(|this, _, window, cx| {
2781                                this.continue_conversation(window, cx);
2782                            })),
2783                    )
2784                    .when(model.supports_burn_mode(), |this| {
2785                        this.child(
2786                            Button::new("continue-burn-mode", "Continue with Burn Mode")
2787                                .style(ButtonStyle::Filled)
2788                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2789                                .layer(ElevationIndex::ModalSurface)
2790                                .label_size(LabelSize::Small)
2791                                .key_binding(
2792                                    KeyBinding::for_action_in(
2793                                        &ContinueWithBurnMode,
2794                                        &focus_handle,
2795                                        window,
2796                                        cx,
2797                                    )
2798                                    .map(|kb| kb.size(rems_from_px(10.))),
2799                                )
2800                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
2801                                .on_click({
2802                                    let active_thread = active_thread.clone();
2803                                    cx.listener(move |this, _, window, cx| {
2804                                        active_thread.update(cx, |active_thread, cx| {
2805                                            active_thread.thread().update(cx, |thread, _cx| {
2806                                                thread.set_completion_mode(CompletionMode::Burn);
2807                                            });
2808                                        });
2809                                        this.continue_conversation(window, cx);
2810                                    })
2811                                }),
2812                        )
2813                    }),
2814            );
2815
2816        Some(div().px_2().pb_2().child(banner).into_any_element())
2817    }
2818
2819    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2820        let message = message.into();
2821
2822        IconButton::new("copy", IconName::Copy)
2823            .icon_size(IconSize::Small)
2824            .icon_color(Color::Muted)
2825            .tooltip(Tooltip::text("Copy Error Message"))
2826            .on_click(move |_, _, cx| {
2827                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
2828            })
2829    }
2830
2831    fn dismiss_error_button(
2832        &self,
2833        thread: &Entity<ActiveThread>,
2834        cx: &mut Context<Self>,
2835    ) -> impl IntoElement {
2836        IconButton::new("dismiss", IconName::Close)
2837            .icon_size(IconSize::Small)
2838            .icon_color(Color::Muted)
2839            .tooltip(Tooltip::text("Dismiss Error"))
2840            .on_click(cx.listener({
2841                let thread = thread.clone();
2842                move |_, _, _, cx| {
2843                    thread.update(cx, |this, _cx| {
2844                        this.clear_last_error();
2845                    });
2846
2847                    cx.notify();
2848                }
2849            }))
2850    }
2851
2852    fn upgrade_button(
2853        &self,
2854        thread: &Entity<ActiveThread>,
2855        cx: &mut Context<Self>,
2856    ) -> impl IntoElement {
2857        Button::new("upgrade", "Upgrade")
2858            .label_size(LabelSize::Small)
2859            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2860            .on_click(cx.listener({
2861                let thread = thread.clone();
2862                move |_, _, _, cx| {
2863                    thread.update(cx, |this, _cx| {
2864                        this.clear_last_error();
2865                    });
2866
2867                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
2868                    cx.notify();
2869                }
2870            }))
2871    }
2872
2873    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
2874        cx.theme().status().error.opacity(0.08)
2875    }
2876
2877    fn render_payment_required_error(
2878        &self,
2879        thread: &Entity<ActiveThread>,
2880        cx: &mut Context<Self>,
2881    ) -> AnyElement {
2882        const ERROR_MESSAGE: &str =
2883            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
2884
2885        let icon = Icon::new(IconName::XCircle)
2886            .size(IconSize::Small)
2887            .color(Color::Error);
2888
2889        div()
2890            .border_t_1()
2891            .border_color(cx.theme().colors().border)
2892            .child(
2893                Callout::new()
2894                    .icon(icon)
2895                    .title("Free Usage Exceeded")
2896                    .description(ERROR_MESSAGE)
2897                    .tertiary_action(self.upgrade_button(thread, cx))
2898                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
2899                    .primary_action(self.dismiss_error_button(thread, cx))
2900                    .bg_color(self.error_callout_bg(cx)),
2901            )
2902            .into_any_element()
2903    }
2904
2905    fn render_model_request_limit_reached_error(
2906        &self,
2907        plan: Plan,
2908        thread: &Entity<ActiveThread>,
2909        cx: &mut Context<Self>,
2910    ) -> AnyElement {
2911        let error_message = match plan {
2912            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
2913            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
2914        };
2915
2916        let icon = Icon::new(IconName::XCircle)
2917            .size(IconSize::Small)
2918            .color(Color::Error);
2919
2920        div()
2921            .border_t_1()
2922            .border_color(cx.theme().colors().border)
2923            .child(
2924                Callout::new()
2925                    .icon(icon)
2926                    .title("Model Prompt Limit Reached")
2927                    .description(error_message)
2928                    .tertiary_action(self.upgrade_button(thread, cx))
2929                    .secondary_action(self.create_copy_button(error_message))
2930                    .primary_action(self.dismiss_error_button(thread, cx))
2931                    .bg_color(self.error_callout_bg(cx)),
2932            )
2933            .into_any_element()
2934    }
2935
2936    fn render_error_message(
2937        &self,
2938        header: SharedString,
2939        message: SharedString,
2940        thread: &Entity<ActiveThread>,
2941        cx: &mut Context<Self>,
2942    ) -> AnyElement {
2943        let message_with_header = format!("{}\n{}", header, message);
2944
2945        let icon = Icon::new(IconName::XCircle)
2946            .size(IconSize::Small)
2947            .color(Color::Error);
2948
2949        let retry_button = Button::new("retry", "Retry")
2950            .icon(IconName::RotateCw)
2951            .icon_position(IconPosition::Start)
2952            .icon_size(IconSize::Small)
2953            .label_size(LabelSize::Small)
2954            .on_click({
2955                let thread = thread.clone();
2956                move |_, window, cx| {
2957                    thread.update(cx, |thread, cx| {
2958                        thread.clear_last_error();
2959                        thread.thread().update(cx, |thread, cx| {
2960                            thread.retry_last_completion(Some(window.window_handle()), cx);
2961                        });
2962                    });
2963                }
2964            });
2965
2966        div()
2967            .border_t_1()
2968            .border_color(cx.theme().colors().border)
2969            .child(
2970                Callout::new()
2971                    .icon(icon)
2972                    .title(header)
2973                    .description(message.clone())
2974                    .primary_action(retry_button)
2975                    .secondary_action(self.dismiss_error_button(thread, cx))
2976                    .tertiary_action(self.create_copy_button(message_with_header))
2977                    .bg_color(self.error_callout_bg(cx)),
2978            )
2979            .into_any_element()
2980    }
2981
2982    fn render_retryable_error(
2983        &self,
2984        message: SharedString,
2985        can_enable_burn_mode: bool,
2986        thread: &Entity<ActiveThread>,
2987        cx: &mut Context<Self>,
2988    ) -> AnyElement {
2989        let icon = Icon::new(IconName::XCircle)
2990            .size(IconSize::Small)
2991            .color(Color::Error);
2992
2993        let retry_button = Button::new("retry", "Retry")
2994            .icon(IconName::RotateCw)
2995            .icon_position(IconPosition::Start)
2996            .icon_size(IconSize::Small)
2997            .label_size(LabelSize::Small)
2998            .on_click({
2999                let thread = thread.clone();
3000                move |_, window, cx| {
3001                    thread.update(cx, |thread, cx| {
3002                        thread.clear_last_error();
3003                        thread.thread().update(cx, |thread, cx| {
3004                            thread.retry_last_completion(Some(window.window_handle()), cx);
3005                        });
3006                    });
3007                }
3008            });
3009
3010        let mut callout = Callout::new()
3011            .icon(icon)
3012            .title("Error")
3013            .description(message.clone())
3014            .bg_color(self.error_callout_bg(cx))
3015            .primary_action(retry_button);
3016
3017        if can_enable_burn_mode {
3018            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3019                .icon(IconName::ZedBurnMode)
3020                .icon_position(IconPosition::Start)
3021                .icon_size(IconSize::Small)
3022                .label_size(LabelSize::Small)
3023                .on_click({
3024                    let thread = thread.clone();
3025                    move |_, window, cx| {
3026                        thread.update(cx, |thread, cx| {
3027                            thread.clear_last_error();
3028                            thread.thread().update(cx, |thread, cx| {
3029                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
3030                            });
3031                        });
3032                    }
3033                });
3034            callout = callout.secondary_action(burn_mode_button);
3035        }
3036
3037        div()
3038            .border_t_1()
3039            .border_color(cx.theme().colors().border)
3040            .child(callout)
3041            .into_any_element()
3042    }
3043
3044    fn render_prompt_editor(
3045        &self,
3046        context_editor: &Entity<TextThreadEditor>,
3047        buffer_search_bar: &Entity<BufferSearchBar>,
3048        window: &mut Window,
3049        cx: &mut Context<Self>,
3050    ) -> Div {
3051        let mut registrar = buffer_search::DivRegistrar::new(
3052            |this, _, _cx| match &this.active_view {
3053                ActiveView::TextThread {
3054                    buffer_search_bar, ..
3055                } => Some(buffer_search_bar.clone()),
3056                _ => None,
3057            },
3058            cx,
3059        );
3060        BufferSearchBar::register(&mut registrar);
3061        registrar
3062            .into_div()
3063            .size_full()
3064            .relative()
3065            .map(|parent| {
3066                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3067                    if buffer_search_bar.is_dismissed() {
3068                        return parent;
3069                    }
3070                    parent.child(
3071                        div()
3072                            .p(DynamicSpacing::Base08.rems(cx))
3073                            .border_b_1()
3074                            .border_color(cx.theme().colors().border_variant)
3075                            .bg(cx.theme().colors().editor_background)
3076                            .child(buffer_search_bar.render(window, cx)),
3077                    )
3078                })
3079            })
3080            .child(context_editor.clone())
3081            .child(self.render_drag_target(cx))
3082    }
3083
3084    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3085        let is_local = self.project.read(cx).is_local();
3086        div()
3087            .invisible()
3088            .absolute()
3089            .top_0()
3090            .right_0()
3091            .bottom_0()
3092            .left_0()
3093            .bg(cx.theme().colors().drop_target_background)
3094            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3095            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3096            .when(is_local, |this| {
3097                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3098            })
3099            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3100                let item = tab.pane.read(cx).item_for_index(tab.ix);
3101                let project_paths = item
3102                    .and_then(|item| item.project_path(cx))
3103                    .into_iter()
3104                    .collect::<Vec<_>>();
3105                this.handle_drop(project_paths, vec![], window, cx);
3106            }))
3107            .on_drop(
3108                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3109                    let project_paths = selection
3110                        .items()
3111                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3112                        .collect::<Vec<_>>();
3113                    this.handle_drop(project_paths, vec![], window, cx);
3114                }),
3115            )
3116            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3117                let tasks = paths
3118                    .paths()
3119                    .into_iter()
3120                    .map(|path| {
3121                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
3122                    })
3123                    .collect::<Vec<_>>();
3124                cx.spawn_in(window, async move |this, cx| {
3125                    let mut paths = vec![];
3126                    let mut added_worktrees = vec![];
3127                    let opened_paths = futures::future::join_all(tasks).await;
3128                    for entry in opened_paths {
3129                        if let Some((worktree, project_path)) = entry.log_err() {
3130                            added_worktrees.push(worktree);
3131                            paths.push(project_path);
3132                        }
3133                    }
3134                    this.update_in(cx, |this, window, cx| {
3135                        this.handle_drop(paths, added_worktrees, window, cx);
3136                    })
3137                    .ok();
3138                })
3139                .detach();
3140            }))
3141    }
3142
3143    fn handle_drop(
3144        &mut self,
3145        paths: Vec<ProjectPath>,
3146        added_worktrees: Vec<Entity<Worktree>>,
3147        window: &mut Window,
3148        cx: &mut Context<Self>,
3149    ) {
3150        match &self.active_view {
3151            ActiveView::Thread { thread, .. } => {
3152                let context_store = thread.read(cx).context_store().clone();
3153                context_store.update(cx, move |context_store, cx| {
3154                    let mut tasks = Vec::new();
3155                    for project_path in &paths {
3156                        tasks.push(context_store.add_file_from_path(
3157                            project_path.clone(),
3158                            false,
3159                            cx,
3160                        ));
3161                    }
3162                    cx.background_spawn(async move {
3163                        futures::future::join_all(tasks).await;
3164                        // Need to hold onto the worktrees until they have already been used when
3165                        // opening the buffers.
3166                        drop(added_worktrees);
3167                    })
3168                    .detach();
3169                });
3170            }
3171            ActiveView::ExternalAgentThread { .. } => {
3172                unimplemented!()
3173            }
3174            ActiveView::TextThread { context_editor, .. } => {
3175                context_editor.update(cx, |context_editor, cx| {
3176                    TextThreadEditor::insert_dragged_files(
3177                        context_editor,
3178                        paths,
3179                        added_worktrees,
3180                        window,
3181                        cx,
3182                    );
3183                });
3184            }
3185            ActiveView::History | ActiveView::Configuration => {}
3186        }
3187    }
3188
3189    fn key_context(&self) -> KeyContext {
3190        let mut key_context = KeyContext::new_with_defaults();
3191        key_context.add("AgentPanel");
3192        match &self.active_view {
3193            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3194            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3195            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3196        }
3197        key_context
3198    }
3199}
3200
3201impl Render for AgentPanel {
3202    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3203        // WARNING: Changes to this element hierarchy can have
3204        // non-obvious implications to the layout of children.
3205        //
3206        // If you need to change it, please confirm:
3207        // - The message editor expands (cmd-option-esc) correctly
3208        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3209        // - Font size works as expected and can be changed with cmd-+/cmd-
3210        // - Scrolling in all views works as expected
3211        // - Files can be dropped into the panel
3212        let content = v_flex()
3213            .key_context(self.key_context())
3214            .justify_between()
3215            .size_full()
3216            .on_action(cx.listener(Self::cancel))
3217            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3218                this.new_thread(action, window, cx);
3219            }))
3220            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3221                this.open_history(window, cx);
3222            }))
3223            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3224                this.open_configuration(window, cx);
3225            }))
3226            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3227            .on_action(cx.listener(Self::deploy_rules_library))
3228            .on_action(cx.listener(Self::open_agent_diff))
3229            .on_action(cx.listener(Self::go_back))
3230            .on_action(cx.listener(Self::toggle_navigation_menu))
3231            .on_action(cx.listener(Self::toggle_options_menu))
3232            .on_action(cx.listener(Self::increase_font_size))
3233            .on_action(cx.listener(Self::decrease_font_size))
3234            .on_action(cx.listener(Self::reset_font_size))
3235            .on_action(cx.listener(Self::toggle_zoom))
3236            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3237                this.continue_conversation(window, cx);
3238            }))
3239            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3240                match &this.active_view {
3241                    ActiveView::Thread { thread, .. } => {
3242                        thread.update(cx, |active_thread, cx| {
3243                            active_thread.thread().update(cx, |thread, _cx| {
3244                                thread.set_completion_mode(CompletionMode::Burn);
3245                            });
3246                        });
3247                        this.continue_conversation(window, cx);
3248                    }
3249                    ActiveView::ExternalAgentThread { .. } => {}
3250                    ActiveView::TextThread { .. }
3251                    | ActiveView::History
3252                    | ActiveView::Configuration => {}
3253                }
3254            }))
3255            .on_action(cx.listener(Self::toggle_burn_mode))
3256            .child(self.render_toolbar(window, cx))
3257            .children(self.render_onboarding(window, cx))
3258            .children(self.render_trial_end_upsell(window, cx))
3259            .map(|parent| match &self.active_view {
3260                ActiveView::Thread {
3261                    thread,
3262                    message_editor,
3263                    ..
3264                } => parent
3265                    .relative()
3266                    .child(
3267                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3268                            self.render_thread_empty_state(window, cx)
3269                                .into_any_element()
3270                        } else {
3271                            thread.clone().into_any_element()
3272                        },
3273                    )
3274                    .children(self.render_tool_use_limit_reached(window, cx))
3275                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3276                        this.child(
3277                            div()
3278                                .child(match last_error {
3279                                    ThreadError::PaymentRequired => {
3280                                        self.render_payment_required_error(thread, cx)
3281                                    }
3282                                    ThreadError::ModelRequestLimitReached { plan } => self
3283                                        .render_model_request_limit_reached_error(plan, thread, cx),
3284                                    ThreadError::Message { header, message } => {
3285                                        self.render_error_message(header, message, thread, cx)
3286                                    }
3287                                    ThreadError::RetryableError {
3288                                        message,
3289                                        can_enable_burn_mode,
3290                                    } => self.render_retryable_error(
3291                                        message,
3292                                        can_enable_burn_mode,
3293                                        thread,
3294                                        cx,
3295                                    ),
3296                                })
3297                                .into_any(),
3298                        )
3299                    })
3300                    .child(h_flex().relative().child(message_editor.clone()).when(
3301                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3302                        |this| {
3303                            this.child(
3304                                div()
3305                                    .size_full()
3306                                    .absolute()
3307                                    .inset_0()
3308                                    .bg(cx.theme().colors().panel_background)
3309                                    .opacity(0.8)
3310                                    .block_mouse_except_scroll(),
3311                            )
3312                        },
3313                    ))
3314                    .child(self.render_drag_target(cx)),
3315                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3316                    .relative()
3317                    .child(thread_view.clone())
3318                    .child(self.render_drag_target(cx)),
3319                ActiveView::History => parent.child(self.history.clone()),
3320                ActiveView::TextThread {
3321                    context_editor,
3322                    buffer_search_bar,
3323                    ..
3324                } => {
3325                    let model_registry = LanguageModelRegistry::read_global(cx);
3326                    let configuration_error =
3327                        model_registry.configuration_error(model_registry.default_model(), cx);
3328                    parent
3329                        .map(|this| {
3330                            if !self.should_render_onboarding(cx)
3331                                && let Some(err) = configuration_error.as_ref()
3332                            {
3333                                this.child(
3334                                    div().bg(cx.theme().colors().editor_background).p_2().child(
3335                                        self.render_configuration_error(
3336                                            err,
3337                                            &self.focus_handle(cx),
3338                                            window,
3339                                            cx,
3340                                        ),
3341                                    ),
3342                                )
3343                            } else {
3344                                this
3345                            }
3346                        })
3347                        .child(self.render_prompt_editor(
3348                            context_editor,
3349                            buffer_search_bar,
3350                            window,
3351                            cx,
3352                        ))
3353                }
3354                ActiveView::Configuration => parent.children(self.configuration.clone()),
3355            });
3356
3357        match self.active_view.which_font_size_used() {
3358            WhichFontSize::AgentFont => {
3359                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3360                    .size_full()
3361                    .child(content)
3362                    .into_any()
3363            }
3364            _ => content.into_any(),
3365        }
3366    }
3367}
3368
3369struct PromptLibraryInlineAssist {
3370    workspace: WeakEntity<Workspace>,
3371}
3372
3373impl PromptLibraryInlineAssist {
3374    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3375        Self { workspace }
3376    }
3377}
3378
3379impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3380    fn assist(
3381        &self,
3382        prompt_editor: &Entity<Editor>,
3383        initial_prompt: Option<String>,
3384        window: &mut Window,
3385        cx: &mut Context<RulesLibrary>,
3386    ) {
3387        InlineAssistant::update_global(cx, |assistant, cx| {
3388            let Some(project) = self
3389                .workspace
3390                .upgrade()
3391                .map(|workspace| workspace.read(cx).project().downgrade())
3392            else {
3393                return;
3394            };
3395            let prompt_store = None;
3396            let thread_store = None;
3397            let text_thread_store = None;
3398            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3399            assistant.assist(
3400                &prompt_editor,
3401                self.workspace.clone(),
3402                context_store,
3403                project,
3404                prompt_store,
3405                thread_store,
3406                text_thread_store,
3407                initial_prompt,
3408                window,
3409                cx,
3410            )
3411        })
3412    }
3413
3414    fn focus_agent_panel(
3415        &self,
3416        workspace: &mut Workspace,
3417        window: &mut Window,
3418        cx: &mut Context<Workspace>,
3419    ) -> bool {
3420        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3421    }
3422}
3423
3424pub struct ConcreteAssistantPanelDelegate;
3425
3426impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3427    fn active_context_editor(
3428        &self,
3429        workspace: &mut Workspace,
3430        _window: &mut Window,
3431        cx: &mut Context<Workspace>,
3432    ) -> Option<Entity<TextThreadEditor>> {
3433        let panel = workspace.panel::<AgentPanel>(cx)?;
3434        panel.read(cx).active_context_editor()
3435    }
3436
3437    fn open_saved_context(
3438        &self,
3439        workspace: &mut Workspace,
3440        path: Arc<Path>,
3441        window: &mut Window,
3442        cx: &mut Context<Workspace>,
3443    ) -> Task<Result<()>> {
3444        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3445            return Task::ready(Err(anyhow!("Agent panel not found")));
3446        };
3447
3448        panel.update(cx, |panel, cx| {
3449            panel.open_saved_prompt_editor(path, window, cx)
3450        })
3451    }
3452
3453    fn open_remote_context(
3454        &self,
3455        _workspace: &mut Workspace,
3456        _context_id: assistant_context::ContextId,
3457        _window: &mut Window,
3458        _cx: &mut Context<Workspace>,
3459    ) -> Task<Result<Entity<TextThreadEditor>>> {
3460        Task::ready(Err(anyhow!("opening remote context not implemented")))
3461    }
3462
3463    fn quote_selection(
3464        &self,
3465        workspace: &mut Workspace,
3466        selection_ranges: Vec<Range<Anchor>>,
3467        buffer: Entity<MultiBuffer>,
3468        window: &mut Window,
3469        cx: &mut Context<Workspace>,
3470    ) {
3471        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3472            return;
3473        };
3474
3475        if !panel.focus_handle(cx).contains_focused(window, cx) {
3476            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3477        }
3478
3479        panel.update(cx, |_, cx| {
3480            // Wait to create a new context until the workspace is no longer
3481            // being updated.
3482            cx.defer_in(window, move |panel, window, cx| {
3483                if let Some(message_editor) = panel.active_message_editor() {
3484                    message_editor.update(cx, |message_editor, cx| {
3485                        message_editor.context_store().update(cx, |store, cx| {
3486                            let buffer = buffer.read(cx);
3487                            let selection_ranges = selection_ranges
3488                                .into_iter()
3489                                .flat_map(|range| {
3490                                    let (start_buffer, start) =
3491                                        buffer.text_anchor_for_position(range.start, cx)?;
3492                                    let (end_buffer, end) =
3493                                        buffer.text_anchor_for_position(range.end, cx)?;
3494                                    if start_buffer != end_buffer {
3495                                        return None;
3496                                    }
3497                                    Some((start_buffer, start..end))
3498                                })
3499                                .collect::<Vec<_>>();
3500
3501                            for (buffer, range) in selection_ranges {
3502                                store.add_selection(buffer, range, cx);
3503                            }
3504                        })
3505                    })
3506                } else if let Some(context_editor) = panel.active_context_editor() {
3507                    let snapshot = buffer.read(cx).snapshot(cx);
3508                    let selection_ranges = selection_ranges
3509                        .into_iter()
3510                        .map(|range| range.to_point(&snapshot))
3511                        .collect::<Vec<_>>();
3512
3513                    context_editor.update(cx, |context_editor, cx| {
3514                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3515                    });
3516                }
3517            });
3518        });
3519    }
3520}
3521
3522struct OnboardingUpsell;
3523
3524impl Dismissable for OnboardingUpsell {
3525    const KEY: &'static str = "dismissed-trial-upsell";
3526}
3527
3528struct TrialEndUpsell;
3529
3530impl Dismissable for TrialEndUpsell {
3531    const KEY: &'static str = "dismissed-trial-end-upsell";
3532}