agent_panel.rs

   1use std::ops::{Not, Range};
   2use std::path::Path;
   3use std::rc::Rc;
   4use std::sync::Arc;
   5use std::time::Duration;
   6
   7use agent_servers::AgentServer;
   8use db::kvp::{Dismissable, KEY_VALUE_STORE};
   9use serde::{Deserialize, Serialize};
  10
  11use crate::NewExternalAgentThread;
  12use crate::agent_diff::AgentDiffThread;
  13use crate::{
  14    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
  15    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
  16    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
  17    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu,
  18    ToggleNewThreadMenu, ToggleOptionsMenu,
  19    acp::AcpThreadView,
  20    active_thread::{self, ActiveThread, ActiveThreadEvent},
  21    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  22    agent_diff::AgentDiff,
  23    message_editor::{MessageEditor, MessageEditorEvent},
  24    slash_command::SlashCommandCompletionProvider,
  25    text_thread_editor::{
  26        AgentPanelDelegate, TextThreadEditor, humanize_token_count, make_lsp_adapter_delegate,
  27        render_remaining_tokens,
  28    },
  29    thread_history::{HistoryEntryElement, ThreadHistory},
  30    ui::{AgentOnboardingModal, EndTrialUpsell},
  31};
  32use agent::{
  33    Thread, ThreadError, ThreadEvent, ThreadId, ThreadSummary, TokenUsageRatio,
  34    context_store::ContextStore,
  35    history_store::{HistoryEntryId, HistoryStore},
  36    thread_store::{TextThreadStore, ThreadStore},
  37};
  38use agent_settings::{AgentDockPosition, AgentSettings, CompletionMode, DefaultView};
  39use ai_onboarding::AgentPanelOnboarding;
  40use anyhow::{Result, anyhow};
  41use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  42use assistant_slash_command::SlashCommandWorkingSet;
  43use assistant_tool::ToolWorkingSet;
  44use client::{UserStore, zed_urls};
  45use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
  46use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  47use feature_flags::{self, FeatureFlagAppExt};
  48use fs::Fs;
  49use gpui::{
  50    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
  51    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, Hsla,
  52    KeyContext, Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*,
  53    pulsating_between,
  54};
  55use language::LanguageRegistry;
  56use language_model::{
  57    ConfigurationError, ConfiguredModel, LanguageModelProviderTosView, LanguageModelRegistry,
  58};
  59use project::{DisableAiSettings, Project, ProjectPath, Worktree};
  60use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  61use rules_library::{RulesLibrary, open_rules_library};
  62use search::{BufferSearchBar, buffer_search};
  63use settings::{Settings, update_settings_file};
  64use theme::ThemeSettings;
  65use time::UtcOffset;
  66use ui::utils::WithRemSize;
  67use ui::{
  68    Banner, Callout, ContextMenu, ContextMenuEntry, ElevationIndex, KeyBinding, PopoverMenu,
  69    PopoverMenuHandle, ProgressBar, Tab, Tooltip, prelude::*,
  70};
  71use util::ResultExt as _;
  72use workspace::{
  73    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  74    dock::{DockPosition, Panel, PanelEvent},
  75};
  76use zed_actions::{
  77    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  78    agent::{OpenOnboardingModal, OpenSettings, ResetOnboarding, ToggleModelSelector},
  79    assistant::{OpenRulesLibrary, ToggleFocus},
  80};
  81
  82const AGENT_PANEL_KEY: &str = "agent_panel";
  83
  84#[derive(Serialize, Deserialize)]
  85struct SerializedAgentPanel {
  86    width: Option<Pixels>,
  87    selected_agent: Option<AgentType>,
  88}
  89
  90pub fn init(cx: &mut App) {
  91    cx.observe_new(
  92        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  93            workspace
  94                .register_action(|workspace, action: &NewThread, window, cx| {
  95                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  96                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
  97                        workspace.focus_panel::<AgentPanel>(window, cx);
  98                    }
  99                })
 100                .register_action(|workspace, _: &OpenHistory, window, cx| {
 101                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 102                        workspace.focus_panel::<AgentPanel>(window, cx);
 103                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 104                    }
 105                })
 106                .register_action(|workspace, _: &OpenSettings, window, cx| {
 107                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 108                        workspace.focus_panel::<AgentPanel>(window, cx);
 109                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 110                    }
 111                })
 112                .register_action(|workspace, _: &NewTextThread, window, cx| {
 113                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 114                        workspace.focus_panel::<AgentPanel>(window, cx);
 115                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 116                    }
 117                })
 118                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 119                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 120                        workspace.focus_panel::<AgentPanel>(window, cx);
 121                        panel.update(cx, |panel, cx| {
 122                            panel.new_external_thread(action.agent, window, cx)
 123                        });
 124                    }
 125                })
 126                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 127                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 128                        workspace.focus_panel::<AgentPanel>(window, cx);
 129                        panel.update(cx, |panel, cx| {
 130                            panel.deploy_rules_library(action, window, cx)
 131                        });
 132                    }
 133                })
 134                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 135                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 136                        workspace.focus_panel::<AgentPanel>(window, cx);
 137                        match &panel.read(cx).active_view {
 138                            ActiveView::Thread { thread, .. } => {
 139                                let thread = thread.read(cx).thread().clone();
 140                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 141                            }
 142                            ActiveView::ExternalAgentThread { .. }
 143                            | ActiveView::TextThread { .. }
 144                            | ActiveView::History
 145                            | ActiveView::Configuration => {}
 146                        }
 147                    }
 148                })
 149                .register_action(|workspace, _: &Follow, window, cx| {
 150                    workspace.follow(CollaboratorId::Agent, window, cx);
 151                })
 152                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 153                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 154                        return;
 155                    };
 156                    workspace.focus_panel::<AgentPanel>(window, cx);
 157                    panel.update(cx, |panel, cx| {
 158                        if let Some(message_editor) = panel.active_message_editor() {
 159                            message_editor.update(cx, |editor, cx| {
 160                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 161                            });
 162                        }
 163                    });
 164                })
 165                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 166                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 167                        workspace.focus_panel::<AgentPanel>(window, cx);
 168                        panel.update(cx, |panel, cx| {
 169                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 170                        });
 171                    }
 172                })
 173                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 174                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 175                        workspace.focus_panel::<AgentPanel>(window, cx);
 176                        panel.update(cx, |panel, cx| {
 177                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 178                        });
 179                    }
 180                })
 181                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
 182                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 183                        workspace.focus_panel::<AgentPanel>(window, cx);
 184                        panel.update(cx, |panel, cx| {
 185                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
 186                        });
 187                    }
 188                })
 189                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 190                    AgentOnboardingModal::toggle(workspace, window, cx)
 191                })
 192                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 193                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 194                    window.refresh();
 195                })
 196                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 197                    OnboardingUpsell::set_dismissed(false, cx);
 198                })
 199                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 200                    TrialEndUpsell::set_dismissed(false, cx);
 201                });
 202        },
 203    )
 204    .detach();
 205}
 206
 207enum ActiveView {
 208    Thread {
 209        thread: Entity<ActiveThread>,
 210        change_title_editor: Entity<Editor>,
 211        message_editor: Entity<MessageEditor>,
 212        _subscriptions: Vec<gpui::Subscription>,
 213    },
 214    ExternalAgentThread {
 215        thread_view: Entity<AcpThreadView>,
 216    },
 217    TextThread {
 218        context_editor: Entity<TextThreadEditor>,
 219        title_editor: Entity<Editor>,
 220        buffer_search_bar: Entity<BufferSearchBar>,
 221        _subscriptions: Vec<gpui::Subscription>,
 222    },
 223    History,
 224    Configuration,
 225}
 226
 227enum WhichFontSize {
 228    AgentFont,
 229    BufferFont,
 230    None,
 231}
 232
 233#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 234pub enum AgentType {
 235    #[default]
 236    Zed,
 237    TextThread,
 238    Gemini,
 239    ClaudeCode,
 240    NativeAgent,
 241}
 242
 243impl AgentType {
 244    fn label(self) -> impl Into<SharedString> {
 245        match self {
 246            Self::Zed | Self::TextThread => "Zed",
 247            Self::NativeAgent => "Agent 2",
 248            Self::Gemini => "Gemini",
 249            Self::ClaudeCode => "Claude Code",
 250        }
 251    }
 252
 253    fn icon(self) -> IconName {
 254        match self {
 255            Self::Zed | Self::TextThread => IconName::AiZed,
 256            Self::NativeAgent => IconName::ZedAssistant,
 257            Self::Gemini => IconName::AiGemini,
 258            Self::ClaudeCode => IconName::AiClaude,
 259        }
 260    }
 261}
 262
 263impl ActiveView {
 264    pub fn which_font_size_used(&self) -> WhichFontSize {
 265        match self {
 266            ActiveView::Thread { .. }
 267            | ActiveView::ExternalAgentThread { .. }
 268            | ActiveView::History => WhichFontSize::AgentFont,
 269            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 270            ActiveView::Configuration => WhichFontSize::None,
 271        }
 272    }
 273
 274    pub fn thread(
 275        active_thread: Entity<ActiveThread>,
 276        message_editor: Entity<MessageEditor>,
 277        window: &mut Window,
 278        cx: &mut Context<AgentPanel>,
 279    ) -> Self {
 280        let summary = active_thread.read(cx).summary(cx).or_default();
 281
 282        let editor = cx.new(|cx| {
 283            let mut editor = Editor::single_line(window, cx);
 284            editor.set_text(summary.clone(), window, cx);
 285            editor
 286        });
 287
 288        let subscriptions = vec![
 289            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 290                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 291                    cx.notify();
 292                }
 293                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 294                    ActiveView::Thread { thread, .. } => {
 295                        thread.update(cx, |thread, cx| {
 296                            thread.scroll_to_bottom(cx);
 297                        });
 298                    }
 299                    ActiveView::ExternalAgentThread { .. } => {}
 300                    ActiveView::TextThread { .. }
 301                    | ActiveView::History
 302                    | ActiveView::Configuration => {}
 303                },
 304            }),
 305            window.subscribe(&editor, cx, {
 306                {
 307                    let thread = active_thread.clone();
 308                    move |editor, event, window, cx| match event {
 309                        EditorEvent::BufferEdited => {
 310                            let new_summary = editor.read(cx).text(cx);
 311
 312                            thread.update(cx, |thread, cx| {
 313                                thread.thread().update(cx, |thread, cx| {
 314                                    thread.set_summary(new_summary, cx);
 315                                });
 316                            })
 317                        }
 318                        EditorEvent::Blurred => {
 319                            if editor.read(cx).text(cx).is_empty() {
 320                                let summary = thread.read(cx).summary(cx).or_default();
 321
 322                                editor.update(cx, |editor, cx| {
 323                                    editor.set_text(summary, window, cx);
 324                                });
 325                            }
 326                        }
 327                        _ => {}
 328                    }
 329                }
 330            }),
 331            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 332                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 333                    cx.notify();
 334                }
 335            }),
 336            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 337                let editor = editor.clone();
 338                move |_, thread, event, window, cx| match event {
 339                    ThreadEvent::SummaryGenerated => {
 340                        let summary = thread.read(cx).summary().or_default();
 341
 342                        editor.update(cx, |editor, cx| {
 343                            editor.set_text(summary, window, cx);
 344                        })
 345                    }
 346                    ThreadEvent::MessageAdded(_) => {
 347                        cx.notify();
 348                    }
 349                    _ => {}
 350                }
 351            }),
 352        ];
 353
 354        Self::Thread {
 355            change_title_editor: editor,
 356            thread: active_thread,
 357            message_editor: message_editor,
 358            _subscriptions: subscriptions,
 359        }
 360    }
 361
 362    pub fn prompt_editor(
 363        context_editor: Entity<TextThreadEditor>,
 364        history_store: Entity<HistoryStore>,
 365        language_registry: Arc<LanguageRegistry>,
 366        window: &mut Window,
 367        cx: &mut App,
 368    ) -> Self {
 369        let title = context_editor.read(cx).title(cx).to_string();
 370
 371        let editor = cx.new(|cx| {
 372            let mut editor = Editor::single_line(window, cx);
 373            editor.set_text(title, window, cx);
 374            editor
 375        });
 376
 377        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 378        // cause a custom summary to be set. The presence of this custom summary would cause
 379        // summarization to not happen.
 380        let mut suppress_first_edit = true;
 381
 382        let subscriptions = vec![
 383            window.subscribe(&editor, cx, {
 384                {
 385                    let context_editor = context_editor.clone();
 386                    move |editor, event, window, cx| match event {
 387                        EditorEvent::BufferEdited => {
 388                            if suppress_first_edit {
 389                                suppress_first_edit = false;
 390                                return;
 391                            }
 392                            let new_summary = editor.read(cx).text(cx);
 393
 394                            context_editor.update(cx, |context_editor, cx| {
 395                                context_editor
 396                                    .context()
 397                                    .update(cx, |assistant_context, cx| {
 398                                        assistant_context.set_custom_summary(new_summary, cx);
 399                                    })
 400                            })
 401                        }
 402                        EditorEvent::Blurred => {
 403                            if editor.read(cx).text(cx).is_empty() {
 404                                let summary = context_editor
 405                                    .read(cx)
 406                                    .context()
 407                                    .read(cx)
 408                                    .summary()
 409                                    .or_default();
 410
 411                                editor.update(cx, |editor, cx| {
 412                                    editor.set_text(summary, window, cx);
 413                                });
 414                            }
 415                        }
 416                        _ => {}
 417                    }
 418                }
 419            }),
 420            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 421                let editor = editor.clone();
 422                move |assistant_context, event, window, cx| match event {
 423                    ContextEvent::SummaryGenerated => {
 424                        let summary = assistant_context.read(cx).summary().or_default();
 425
 426                        editor.update(cx, |editor, cx| {
 427                            editor.set_text(summary, window, cx);
 428                        })
 429                    }
 430                    ContextEvent::PathChanged { old_path, new_path } => {
 431                        history_store.update(cx, |history_store, cx| {
 432                            if let Some(old_path) = old_path {
 433                                history_store
 434                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 435                            } else {
 436                                history_store.push_recently_opened_entry(
 437                                    HistoryEntryId::Context(new_path.clone()),
 438                                    cx,
 439                                );
 440                            }
 441                        });
 442                    }
 443                    _ => {}
 444                }
 445            }),
 446        ];
 447
 448        let buffer_search_bar =
 449            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 450        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 451            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 452        });
 453
 454        Self::TextThread {
 455            context_editor,
 456            title_editor: editor,
 457            buffer_search_bar,
 458            _subscriptions: subscriptions,
 459        }
 460    }
 461}
 462
 463pub struct AgentPanel {
 464    workspace: WeakEntity<Workspace>,
 465    user_store: Entity<UserStore>,
 466    project: Entity<Project>,
 467    fs: Arc<dyn Fs>,
 468    language_registry: Arc<LanguageRegistry>,
 469    thread_store: Entity<ThreadStore>,
 470    _default_model_subscription: Subscription,
 471    context_store: Entity<TextThreadStore>,
 472    prompt_store: Option<Entity<PromptStore>>,
 473    inline_assist_context_store: Entity<ContextStore>,
 474    configuration: Option<Entity<AgentConfiguration>>,
 475    configuration_subscription: Option<Subscription>,
 476    local_timezone: UtcOffset,
 477    active_view: ActiveView,
 478    previous_view: Option<ActiveView>,
 479    history_store: Entity<HistoryStore>,
 480    history: Entity<ThreadHistory>,
 481    hovered_recent_history_item: Option<usize>,
 482    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 483    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 484    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 485    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 486    width: Option<Pixels>,
 487    height: Option<Pixels>,
 488    zoomed: bool,
 489    pending_serialization: Option<Task<Result<()>>>,
 490    onboarding: Entity<AgentPanelOnboarding>,
 491    selected_agent: AgentType,
 492}
 493
 494impl AgentPanel {
 495    fn serialize(&mut self, cx: &mut Context<Self>) {
 496        let width = self.width;
 497        let selected_agent = self.selected_agent;
 498        self.pending_serialization = Some(cx.background_spawn(async move {
 499            KEY_VALUE_STORE
 500                .write_kvp(
 501                    AGENT_PANEL_KEY.into(),
 502                    serde_json::to_string(&SerializedAgentPanel {
 503                        width,
 504                        selected_agent: Some(selected_agent),
 505                    })?,
 506                )
 507                .await?;
 508            anyhow::Ok(())
 509        }));
 510    }
 511    pub fn load(
 512        workspace: WeakEntity<Workspace>,
 513        prompt_builder: Arc<PromptBuilder>,
 514        mut cx: AsyncWindowContext,
 515    ) -> Task<Result<Entity<Self>>> {
 516        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 517        cx.spawn(async move |cx| {
 518            let prompt_store = match prompt_store {
 519                Ok(prompt_store) => prompt_store.await.ok(),
 520                Err(_) => None,
 521            };
 522            let tools = cx.new(|_| ToolWorkingSet::default())?;
 523            let thread_store = workspace
 524                .update(cx, |workspace, cx| {
 525                    let project = workspace.project().clone();
 526                    ThreadStore::load(
 527                        project,
 528                        tools.clone(),
 529                        prompt_store.clone(),
 530                        prompt_builder.clone(),
 531                        cx,
 532                    )
 533                })?
 534                .await?;
 535
 536            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 537            let context_store = workspace
 538                .update(cx, |workspace, cx| {
 539                    let project = workspace.project().clone();
 540                    assistant_context::ContextStore::new(
 541                        project,
 542                        prompt_builder.clone(),
 543                        slash_commands,
 544                        cx,
 545                    )
 546                })?
 547                .await?;
 548
 549            let serialized_panel = if let Some(panel) = cx
 550                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 551                .await
 552                .log_err()
 553                .flatten()
 554            {
 555                Some(serde_json::from_str::<SerializedAgentPanel>(&panel)?)
 556            } else {
 557                None
 558            };
 559
 560            let panel = workspace.update_in(cx, |workspace, window, cx| {
 561                let panel = cx.new(|cx| {
 562                    Self::new(
 563                        workspace,
 564                        thread_store,
 565                        context_store,
 566                        prompt_store,
 567                        window,
 568                        cx,
 569                    )
 570                });
 571                if let Some(serialized_panel) = serialized_panel {
 572                    panel.update(cx, |panel, cx| {
 573                        panel.width = serialized_panel.width.map(|w| w.round());
 574                        if let Some(selected_agent) = serialized_panel.selected_agent {
 575                            panel.selected_agent = selected_agent;
 576                        }
 577                        cx.notify();
 578                    });
 579                }
 580                panel
 581            })?;
 582
 583            Ok(panel)
 584        })
 585    }
 586
 587    fn new(
 588        workspace: &Workspace,
 589        thread_store: Entity<ThreadStore>,
 590        context_store: Entity<TextThreadStore>,
 591        prompt_store: Option<Entity<PromptStore>>,
 592        window: &mut Window,
 593        cx: &mut Context<Self>,
 594    ) -> Self {
 595        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 596        let fs = workspace.app_state().fs.clone();
 597        let user_store = workspace.app_state().user_store.clone();
 598        let project = workspace.project();
 599        let language_registry = project.read(cx).languages().clone();
 600        let client = workspace.client().clone();
 601        let workspace = workspace.weak_handle();
 602        let weak_self = cx.entity().downgrade();
 603
 604        let message_editor_context_store =
 605            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 606        let inline_assist_context_store =
 607            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 608
 609        let thread_id = thread.read(cx).id().clone();
 610
 611        let history_store = cx.new(|cx| {
 612            HistoryStore::new(
 613                thread_store.clone(),
 614                context_store.clone(),
 615                [HistoryEntryId::Thread(thread_id)],
 616                cx,
 617            )
 618        });
 619
 620        let message_editor = cx.new(|cx| {
 621            MessageEditor::new(
 622                fs.clone(),
 623                workspace.clone(),
 624                message_editor_context_store.clone(),
 625                prompt_store.clone(),
 626                thread_store.downgrade(),
 627                context_store.downgrade(),
 628                Some(history_store.downgrade()),
 629                thread.clone(),
 630                window,
 631                cx,
 632            )
 633        });
 634
 635        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 636
 637        let active_thread = cx.new(|cx| {
 638            ActiveThread::new(
 639                thread.clone(),
 640                thread_store.clone(),
 641                context_store.clone(),
 642                message_editor_context_store.clone(),
 643                language_registry.clone(),
 644                workspace.clone(),
 645                window,
 646                cx,
 647            )
 648        });
 649
 650        let panel_type = AgentSettings::get_global(cx).default_view;
 651        let active_view = match panel_type {
 652            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 653            DefaultView::TextThread => {
 654                let context =
 655                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 656                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 657                let context_editor = cx.new(|cx| {
 658                    let mut editor = TextThreadEditor::for_context(
 659                        context,
 660                        fs.clone(),
 661                        workspace.clone(),
 662                        project.clone(),
 663                        lsp_adapter_delegate,
 664                        window,
 665                        cx,
 666                    );
 667                    editor.insert_default_prompt(window, cx);
 668                    editor
 669                });
 670                ActiveView::prompt_editor(
 671                    context_editor,
 672                    history_store.clone(),
 673                    language_registry.clone(),
 674                    window,
 675                    cx,
 676                )
 677            }
 678        };
 679
 680        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 681
 682        let weak_panel = weak_self.clone();
 683
 684        window.defer(cx, move |window, cx| {
 685            let panel = weak_panel.clone();
 686            let assistant_navigation_menu =
 687                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 688                    if let Some(panel) = panel.upgrade() {
 689                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 690                    }
 691                    menu.action("View All", Box::new(OpenHistory))
 692                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 693                        .fixed_width(px(320.).into())
 694                        .keep_open_on_confirm(false)
 695                        .key_context("NavigationMenu")
 696                });
 697            weak_panel
 698                .update(cx, |panel, cx| {
 699                    cx.subscribe_in(
 700                        &assistant_navigation_menu,
 701                        window,
 702                        |_, menu, _: &DismissEvent, window, cx| {
 703                            menu.update(cx, |menu, _| {
 704                                menu.clear_selected();
 705                            });
 706                            cx.focus_self(window);
 707                        },
 708                    )
 709                    .detach();
 710                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 711                })
 712                .ok();
 713        });
 714
 715        let _default_model_subscription = cx.subscribe(
 716            &LanguageModelRegistry::global(cx),
 717            |this, _, event: &language_model::Event, cx| match event {
 718                language_model::Event::DefaultModelChanged => match &this.active_view {
 719                    ActiveView::Thread { thread, .. } => {
 720                        thread
 721                            .read(cx)
 722                            .thread()
 723                            .clone()
 724                            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
 725                    }
 726                    ActiveView::ExternalAgentThread { .. }
 727                    | ActiveView::TextThread { .. }
 728                    | ActiveView::History
 729                    | ActiveView::Configuration => {}
 730                },
 731                _ => {}
 732            },
 733        );
 734
 735        let onboarding = cx.new(|cx| {
 736            AgentPanelOnboarding::new(
 737                user_store.clone(),
 738                client,
 739                |_window, cx| {
 740                    OnboardingUpsell::set_dismissed(true, cx);
 741                },
 742                cx,
 743            )
 744        });
 745
 746        Self {
 747            active_view,
 748            workspace,
 749            user_store,
 750            project: project.clone(),
 751            fs: fs.clone(),
 752            language_registry,
 753            thread_store: thread_store.clone(),
 754            _default_model_subscription,
 755            context_store,
 756            prompt_store,
 757            configuration: None,
 758            configuration_subscription: None,
 759            local_timezone: UtcOffset::from_whole_seconds(
 760                chrono::Local::now().offset().local_minus_utc(),
 761            )
 762            .unwrap(),
 763            inline_assist_context_store,
 764            previous_view: None,
 765            history_store: history_store.clone(),
 766            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 767            hovered_recent_history_item: None,
 768            new_thread_menu_handle: PopoverMenuHandle::default(),
 769            agent_panel_menu_handle: PopoverMenuHandle::default(),
 770            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 771            assistant_navigation_menu: None,
 772            width: None,
 773            height: None,
 774            zoomed: false,
 775            pending_serialization: None,
 776            onboarding,
 777            selected_agent: AgentType::default(),
 778        }
 779    }
 780
 781    pub fn toggle_focus(
 782        workspace: &mut Workspace,
 783        _: &ToggleFocus,
 784        window: &mut Window,
 785        cx: &mut Context<Workspace>,
 786    ) {
 787        if workspace
 788            .panel::<Self>(cx)
 789            .is_some_and(|panel| panel.read(cx).enabled(cx))
 790            && !DisableAiSettings::get_global(cx).disable_ai
 791        {
 792            workspace.toggle_panel_focus::<Self>(window, cx);
 793        }
 794    }
 795
 796    pub(crate) fn local_timezone(&self) -> UtcOffset {
 797        self.local_timezone
 798    }
 799
 800    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 801        &self.prompt_store
 802    }
 803
 804    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 805        &self.inline_assist_context_store
 806    }
 807
 808    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 809        &self.thread_store
 810    }
 811
 812    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 813        &self.context_store
 814    }
 815
 816    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 817        match &self.active_view {
 818            ActiveView::Thread { thread, .. } => {
 819                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 820            }
 821            ActiveView::ExternalAgentThread { thread_view, .. } => {
 822                thread_view.update(cx, |thread_element, cx| {
 823                    thread_element.cancel_generation(cx)
 824                });
 825            }
 826            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
 827        }
 828    }
 829
 830    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 831        match &self.active_view {
 832            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 833            ActiveView::ExternalAgentThread { .. }
 834            | ActiveView::TextThread { .. }
 835            | ActiveView::History
 836            | ActiveView::Configuration => None,
 837        }
 838    }
 839
 840    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 841        // Preserve chat box text when using creating new thread
 842        let preserved_text = self
 843            .active_message_editor()
 844            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());
 845
 846        let thread = self
 847            .thread_store
 848            .update(cx, |this, cx| this.create_thread(cx));
 849
 850        let context_store = cx.new(|_cx| {
 851            ContextStore::new(
 852                self.project.downgrade(),
 853                Some(self.thread_store.downgrade()),
 854            )
 855        });
 856
 857        if let Some(other_thread_id) = action.from_thread_id.clone() {
 858            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 859                this.open_thread(&other_thread_id, window, cx)
 860            });
 861
 862            cx.spawn({
 863                let context_store = context_store.clone();
 864
 865                async move |_panel, cx| {
 866                    let other_thread = other_thread_task.await?;
 867
 868                    context_store.update(cx, |this, cx| {
 869                        this.add_thread(other_thread, false, cx);
 870                    })?;
 871                    anyhow::Ok(())
 872                }
 873            })
 874            .detach_and_log_err(cx);
 875        }
 876
 877        let active_thread = cx.new(|cx| {
 878            ActiveThread::new(
 879                thread.clone(),
 880                self.thread_store.clone(),
 881                self.context_store.clone(),
 882                context_store.clone(),
 883                self.language_registry.clone(),
 884                self.workspace.clone(),
 885                window,
 886                cx,
 887            )
 888        });
 889
 890        let message_editor = cx.new(|cx| {
 891            MessageEditor::new(
 892                self.fs.clone(),
 893                self.workspace.clone(),
 894                context_store.clone(),
 895                self.prompt_store.clone(),
 896                self.thread_store.downgrade(),
 897                self.context_store.downgrade(),
 898                Some(self.history_store.downgrade()),
 899                thread.clone(),
 900                window,
 901                cx,
 902            )
 903        });
 904
 905        if let Some(text) = preserved_text {
 906            message_editor.update(cx, |editor, cx| {
 907                editor.set_text(text, window, cx);
 908            });
 909        }
 910
 911        message_editor.focus_handle(cx).focus(window);
 912
 913        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
 914        self.set_active_view(thread_view, window, cx);
 915
 916        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 917    }
 918
 919    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 920        let context = self
 921            .context_store
 922            .update(cx, |context_store, cx| context_store.create(cx));
 923        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 924            .log_err()
 925            .flatten();
 926
 927        let context_editor = cx.new(|cx| {
 928            let mut editor = TextThreadEditor::for_context(
 929                context,
 930                self.fs.clone(),
 931                self.workspace.clone(),
 932                self.project.clone(),
 933                lsp_adapter_delegate,
 934                window,
 935                cx,
 936            );
 937            editor.insert_default_prompt(window, cx);
 938            editor
 939        });
 940
 941        self.set_active_view(
 942            ActiveView::prompt_editor(
 943                context_editor.clone(),
 944                self.history_store.clone(),
 945                self.language_registry.clone(),
 946                window,
 947                cx,
 948            ),
 949            window,
 950            cx,
 951        );
 952        context_editor.focus_handle(cx).focus(window);
 953    }
 954
 955    fn new_external_thread(
 956        &mut self,
 957        agent_choice: Option<crate::ExternalAgent>,
 958        window: &mut Window,
 959        cx: &mut Context<Self>,
 960    ) {
 961        let workspace = self.workspace.clone();
 962        let project = self.project.clone();
 963        let fs = self.fs.clone();
 964
 965        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 966
 967        #[derive(Default, Serialize, Deserialize)]
 968        struct LastUsedExternalAgent {
 969            agent: crate::ExternalAgent,
 970        }
 971
 972        let thread_store = self.thread_store.clone();
 973        let text_thread_store = self.context_store.clone();
 974
 975        cx.spawn_in(window, async move |this, cx| {
 976            let server: Rc<dyn AgentServer> = match agent_choice {
 977                Some(agent) => {
 978                    cx.background_spawn(async move {
 979                        if let Some(serialized) =
 980                            serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
 981                        {
 982                            KEY_VALUE_STORE
 983                                .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
 984                                .await
 985                                .log_err();
 986                        }
 987                    })
 988                    .detach();
 989
 990                    agent.server(fs)
 991                }
 992                None => cx
 993                    .background_spawn(async move {
 994                        KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
 995                    })
 996                    .await
 997                    .log_err()
 998                    .flatten()
 999                    .and_then(|value| {
1000                        serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
1001                    })
1002                    .unwrap_or_default()
1003                    .agent
1004                    .server(fs),
1005            };
1006
1007            this.update_in(cx, |this, window, cx| {
1008                let thread_view = cx.new(|cx| {
1009                    crate::acp::AcpThreadView::new(
1010                        server,
1011                        workspace.clone(),
1012                        project,
1013                        thread_store.clone(),
1014                        text_thread_store.clone(),
1015                        window,
1016                        cx,
1017                    )
1018                });
1019
1020                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
1021            })
1022        })
1023        .detach_and_log_err(cx);
1024    }
1025
1026    fn deploy_rules_library(
1027        &mut self,
1028        action: &OpenRulesLibrary,
1029        _window: &mut Window,
1030        cx: &mut Context<Self>,
1031    ) {
1032        open_rules_library(
1033            self.language_registry.clone(),
1034            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1035            Rc::new(|| {
1036                Rc::new(SlashCommandCompletionProvider::new(
1037                    Arc::new(SlashCommandWorkingSet::default()),
1038                    None,
1039                    None,
1040                ))
1041            }),
1042            action
1043                .prompt_to_select
1044                .map(|uuid| UserPromptId(uuid).into()),
1045            cx,
1046        )
1047        .detach_and_log_err(cx);
1048    }
1049
1050    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1051        if matches!(self.active_view, ActiveView::History) {
1052            if let Some(previous_view) = self.previous_view.take() {
1053                self.set_active_view(previous_view, window, cx);
1054            }
1055        } else {
1056            self.thread_store
1057                .update(cx, |thread_store, cx| thread_store.reload(cx))
1058                .detach_and_log_err(cx);
1059            self.set_active_view(ActiveView::History, window, cx);
1060        }
1061        cx.notify();
1062    }
1063
1064    pub(crate) fn open_saved_prompt_editor(
1065        &mut self,
1066        path: Arc<Path>,
1067        window: &mut Window,
1068        cx: &mut Context<Self>,
1069    ) -> Task<Result<()>> {
1070        let context = self
1071            .context_store
1072            .update(cx, |store, cx| store.open_local_context(path, cx));
1073        cx.spawn_in(window, async move |this, cx| {
1074            let context = context.await?;
1075            this.update_in(cx, |this, window, cx| {
1076                this.open_prompt_editor(context, window, cx);
1077            })
1078        })
1079    }
1080
1081    pub(crate) fn open_prompt_editor(
1082        &mut self,
1083        context: Entity<AssistantContext>,
1084        window: &mut Window,
1085        cx: &mut Context<Self>,
1086    ) {
1087        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1088            .log_err()
1089            .flatten();
1090        let editor = cx.new(|cx| {
1091            TextThreadEditor::for_context(
1092                context,
1093                self.fs.clone(),
1094                self.workspace.clone(),
1095                self.project.clone(),
1096                lsp_adapter_delegate,
1097                window,
1098                cx,
1099            )
1100        });
1101        self.set_active_view(
1102            ActiveView::prompt_editor(
1103                editor.clone(),
1104                self.history_store.clone(),
1105                self.language_registry.clone(),
1106                window,
1107                cx,
1108            ),
1109            window,
1110            cx,
1111        );
1112    }
1113
1114    pub(crate) fn open_thread_by_id(
1115        &mut self,
1116        thread_id: &ThreadId,
1117        window: &mut Window,
1118        cx: &mut Context<Self>,
1119    ) -> Task<Result<()>> {
1120        let open_thread_task = self
1121            .thread_store
1122            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1123        cx.spawn_in(window, async move |this, cx| {
1124            let thread = open_thread_task.await?;
1125            this.update_in(cx, |this, window, cx| {
1126                this.open_thread(thread, window, cx);
1127                anyhow::Ok(())
1128            })??;
1129            Ok(())
1130        })
1131    }
1132
1133    pub(crate) fn open_thread(
1134        &mut self,
1135        thread: Entity<Thread>,
1136        window: &mut Window,
1137        cx: &mut Context<Self>,
1138    ) {
1139        let context_store = cx.new(|_cx| {
1140            ContextStore::new(
1141                self.project.downgrade(),
1142                Some(self.thread_store.downgrade()),
1143            )
1144        });
1145
1146        let active_thread = cx.new(|cx| {
1147            ActiveThread::new(
1148                thread.clone(),
1149                self.thread_store.clone(),
1150                self.context_store.clone(),
1151                context_store.clone(),
1152                self.language_registry.clone(),
1153                self.workspace.clone(),
1154                window,
1155                cx,
1156            )
1157        });
1158
1159        let message_editor = cx.new(|cx| {
1160            MessageEditor::new(
1161                self.fs.clone(),
1162                self.workspace.clone(),
1163                context_store,
1164                self.prompt_store.clone(),
1165                self.thread_store.downgrade(),
1166                self.context_store.downgrade(),
1167                Some(self.history_store.downgrade()),
1168                thread.clone(),
1169                window,
1170                cx,
1171            )
1172        });
1173        message_editor.focus_handle(cx).focus(window);
1174
1175        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1176        self.set_active_view(thread_view, window, cx);
1177        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1178    }
1179
1180    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1181        match self.active_view {
1182            ActiveView::Configuration | ActiveView::History => {
1183                if let Some(previous_view) = self.previous_view.take() {
1184                    self.active_view = previous_view;
1185
1186                    match &self.active_view {
1187                        ActiveView::Thread { message_editor, .. } => {
1188                            message_editor.focus_handle(cx).focus(window);
1189                        }
1190                        ActiveView::ExternalAgentThread { thread_view } => {
1191                            thread_view.focus_handle(cx).focus(window);
1192                        }
1193                        ActiveView::TextThread { context_editor, .. } => {
1194                            context_editor.focus_handle(cx).focus(window);
1195                        }
1196                        ActiveView::History | ActiveView::Configuration => {}
1197                    }
1198                }
1199                cx.notify();
1200            }
1201            _ => {}
1202        }
1203    }
1204
1205    pub fn toggle_navigation_menu(
1206        &mut self,
1207        _: &ToggleNavigationMenu,
1208        window: &mut Window,
1209        cx: &mut Context<Self>,
1210    ) {
1211        self.assistant_navigation_menu_handle.toggle(window, cx);
1212    }
1213
1214    pub fn toggle_options_menu(
1215        &mut self,
1216        _: &ToggleOptionsMenu,
1217        window: &mut Window,
1218        cx: &mut Context<Self>,
1219    ) {
1220        self.agent_panel_menu_handle.toggle(window, cx);
1221    }
1222
1223    pub fn toggle_new_thread_menu(
1224        &mut self,
1225        _: &ToggleNewThreadMenu,
1226        window: &mut Window,
1227        cx: &mut Context<Self>,
1228    ) {
1229        self.new_thread_menu_handle.toggle(window, cx);
1230    }
1231
1232    pub fn increase_font_size(
1233        &mut self,
1234        action: &IncreaseBufferFontSize,
1235        _: &mut Window,
1236        cx: &mut Context<Self>,
1237    ) {
1238        self.handle_font_size_action(action.persist, px(1.0), cx);
1239    }
1240
1241    pub fn decrease_font_size(
1242        &mut self,
1243        action: &DecreaseBufferFontSize,
1244        _: &mut Window,
1245        cx: &mut Context<Self>,
1246    ) {
1247        self.handle_font_size_action(action.persist, px(-1.0), cx);
1248    }
1249
1250    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1251        match self.active_view.which_font_size_used() {
1252            WhichFontSize::AgentFont => {
1253                if persist {
1254                    update_settings_file::<ThemeSettings>(
1255                        self.fs.clone(),
1256                        cx,
1257                        move |settings, cx| {
1258                            let agent_font_size =
1259                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1260                            let _ = settings
1261                                .agent_font_size
1262                                .insert(theme::clamp_font_size(agent_font_size).0);
1263                        },
1264                    );
1265                } else {
1266                    theme::adjust_agent_font_size(cx, |size| {
1267                        *size += delta;
1268                    });
1269                }
1270            }
1271            WhichFontSize::BufferFont => {
1272                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1273                // default handler that changes that font size.
1274                cx.propagate();
1275            }
1276            WhichFontSize::None => {}
1277        }
1278    }
1279
1280    pub fn reset_font_size(
1281        &mut self,
1282        action: &ResetBufferFontSize,
1283        _: &mut Window,
1284        cx: &mut Context<Self>,
1285    ) {
1286        if action.persist {
1287            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1288                settings.agent_font_size = None;
1289            });
1290        } else {
1291            theme::reset_agent_font_size(cx);
1292        }
1293    }
1294
1295    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1296        if self.zoomed {
1297            cx.emit(PanelEvent::ZoomOut);
1298        } else {
1299            if !self.focus_handle(cx).contains_focused(window, cx) {
1300                cx.focus_self(window);
1301            }
1302            cx.emit(PanelEvent::ZoomIn);
1303        }
1304    }
1305
1306    pub fn open_agent_diff(
1307        &mut self,
1308        _: &OpenAgentDiff,
1309        window: &mut Window,
1310        cx: &mut Context<Self>,
1311    ) {
1312        match &self.active_view {
1313            ActiveView::Thread { thread, .. } => {
1314                let thread = thread.read(cx).thread().clone();
1315                self.workspace
1316                    .update(cx, |workspace, cx| {
1317                        AgentDiffPane::deploy_in_workspace(
1318                            AgentDiffThread::Native(thread),
1319                            workspace,
1320                            window,
1321                            cx,
1322                        )
1323                    })
1324                    .log_err();
1325            }
1326            ActiveView::ExternalAgentThread { .. }
1327            | ActiveView::TextThread { .. }
1328            | ActiveView::History
1329            | ActiveView::Configuration => {}
1330        }
1331    }
1332
1333    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1334        let context_server_store = self.project.read(cx).context_server_store();
1335        let tools = self.thread_store.read(cx).tools();
1336        let fs = self.fs.clone();
1337
1338        self.set_active_view(ActiveView::Configuration, window, cx);
1339        self.configuration = Some(cx.new(|cx| {
1340            AgentConfiguration::new(
1341                fs,
1342                context_server_store,
1343                tools,
1344                self.language_registry.clone(),
1345                self.workspace.clone(),
1346                window,
1347                cx,
1348            )
1349        }));
1350
1351        if let Some(configuration) = self.configuration.as_ref() {
1352            self.configuration_subscription = Some(cx.subscribe_in(
1353                configuration,
1354                window,
1355                Self::handle_agent_configuration_event,
1356            ));
1357
1358            configuration.focus_handle(cx).focus(window);
1359        }
1360    }
1361
1362    pub(crate) fn open_active_thread_as_markdown(
1363        &mut self,
1364        _: &OpenActiveThreadAsMarkdown,
1365        window: &mut Window,
1366        cx: &mut Context<Self>,
1367    ) {
1368        let Some(workspace) = self.workspace.upgrade() else {
1369            return;
1370        };
1371
1372        match &self.active_view {
1373            ActiveView::Thread { thread, .. } => {
1374                active_thread::open_active_thread_as_markdown(
1375                    thread.read(cx).thread().clone(),
1376                    workspace,
1377                    window,
1378                    cx,
1379                )
1380                .detach_and_log_err(cx);
1381            }
1382            ActiveView::ExternalAgentThread { thread_view } => {
1383                thread_view
1384                    .update(cx, |thread_view, cx| {
1385                        thread_view.open_thread_as_markdown(workspace, window, cx)
1386                    })
1387                    .detach_and_log_err(cx);
1388            }
1389            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1390        }
1391    }
1392
1393    fn handle_agent_configuration_event(
1394        &mut self,
1395        _entity: &Entity<AgentConfiguration>,
1396        event: &AssistantConfigurationEvent,
1397        window: &mut Window,
1398        cx: &mut Context<Self>,
1399    ) {
1400        match event {
1401            AssistantConfigurationEvent::NewThread(provider) => {
1402                if LanguageModelRegistry::read_global(cx)
1403                    .default_model()
1404                    .map_or(true, |model| model.provider.id() != provider.id())
1405                {
1406                    if let Some(model) = provider.default_model(cx) {
1407                        update_settings_file::<AgentSettings>(
1408                            self.fs.clone(),
1409                            cx,
1410                            move |settings, _| settings.set_model(model),
1411                        );
1412                    }
1413                }
1414
1415                self.new_thread(&NewThread::default(), window, cx);
1416                if let Some((thread, model)) =
1417                    self.active_thread(cx).zip(provider.default_model(cx))
1418                {
1419                    thread.update(cx, |thread, cx| {
1420                        thread.set_configured_model(
1421                            Some(ConfiguredModel {
1422                                provider: provider.clone(),
1423                                model,
1424                            }),
1425                            cx,
1426                        );
1427                    });
1428                }
1429            }
1430        }
1431    }
1432
1433    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1434        match &self.active_view {
1435            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1436            _ => None,
1437        }
1438    }
1439
1440    pub(crate) fn delete_thread(
1441        &mut self,
1442        thread_id: &ThreadId,
1443        cx: &mut Context<Self>,
1444    ) -> Task<Result<()>> {
1445        self.thread_store
1446            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1447    }
1448
1449    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1450        let ActiveView::Thread { thread, .. } = &self.active_view else {
1451            return;
1452        };
1453
1454        let thread_state = thread.read(cx).thread().read(cx);
1455        if !thread_state.tool_use_limit_reached() {
1456            return;
1457        }
1458
1459        let model = thread_state.configured_model().map(|cm| cm.model.clone());
1460        if let Some(model) = model {
1461            thread.update(cx, |active_thread, cx| {
1462                active_thread.thread().update(cx, |thread, cx| {
1463                    thread.insert_invisible_continue_message(cx);
1464                    thread.advance_prompt_id();
1465                    thread.send_to_model(
1466                        model,
1467                        CompletionIntent::UserPrompt,
1468                        Some(window.window_handle()),
1469                        cx,
1470                    );
1471                });
1472            });
1473        } else {
1474            log::warn!("No configured model available for continuation");
1475        }
1476    }
1477
1478    fn toggle_burn_mode(
1479        &mut self,
1480        _: &ToggleBurnMode,
1481        _window: &mut Window,
1482        cx: &mut Context<Self>,
1483    ) {
1484        let ActiveView::Thread { thread, .. } = &self.active_view else {
1485            return;
1486        };
1487
1488        thread.update(cx, |active_thread, cx| {
1489            active_thread.thread().update(cx, |thread, _cx| {
1490                let current_mode = thread.completion_mode();
1491
1492                thread.set_completion_mode(match current_mode {
1493                    CompletionMode::Burn => CompletionMode::Normal,
1494                    CompletionMode::Normal => CompletionMode::Burn,
1495                });
1496            });
1497        });
1498    }
1499
1500    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1501        match &self.active_view {
1502            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1503            _ => None,
1504        }
1505    }
1506
1507    pub(crate) fn delete_context(
1508        &mut self,
1509        path: Arc<Path>,
1510        cx: &mut Context<Self>,
1511    ) -> Task<Result<()>> {
1512        self.context_store
1513            .update(cx, |this, cx| this.delete_local_context(path, cx))
1514    }
1515
1516    fn set_active_view(
1517        &mut self,
1518        new_view: ActiveView,
1519        window: &mut Window,
1520        cx: &mut Context<Self>,
1521    ) {
1522        let current_is_history = matches!(self.active_view, ActiveView::History);
1523        let new_is_history = matches!(new_view, ActiveView::History);
1524
1525        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1526        let new_is_config = matches!(new_view, ActiveView::Configuration);
1527
1528        let current_is_special = current_is_history || current_is_config;
1529        let new_is_special = new_is_history || new_is_config;
1530
1531        match &self.active_view {
1532            ActiveView::Thread { thread, .. } => {
1533                let thread = thread.read(cx);
1534                if thread.is_empty() {
1535                    let id = thread.thread().read(cx).id().clone();
1536                    self.history_store.update(cx, |store, cx| {
1537                        store.remove_recently_opened_thread(id, cx);
1538                    });
1539                }
1540            }
1541            _ => {}
1542        }
1543
1544        match &new_view {
1545            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1546                let id = thread.read(cx).thread().read(cx).id().clone();
1547                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1548            }),
1549            ActiveView::TextThread { context_editor, .. } => {
1550                self.history_store.update(cx, |store, cx| {
1551                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1552                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1553                    }
1554                })
1555            }
1556            ActiveView::ExternalAgentThread { .. } => {}
1557            ActiveView::History | ActiveView::Configuration => {}
1558        }
1559
1560        if current_is_special && !new_is_special {
1561            self.active_view = new_view;
1562        } else if !current_is_special && new_is_special {
1563            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1564        } else {
1565            if !new_is_special {
1566                self.previous_view = None;
1567            }
1568            self.active_view = new_view;
1569        }
1570
1571        self.focus_handle(cx).focus(window);
1572    }
1573
1574    fn populate_recently_opened_menu_section(
1575        mut menu: ContextMenu,
1576        panel: Entity<Self>,
1577        cx: &mut Context<ContextMenu>,
1578    ) -> ContextMenu {
1579        let entries = panel
1580            .read(cx)
1581            .history_store
1582            .read(cx)
1583            .recently_opened_entries(cx);
1584
1585        if entries.is_empty() {
1586            return menu;
1587        }
1588
1589        menu = menu.header("Recently Opened");
1590
1591        for entry in entries {
1592            let title = entry.title().clone();
1593            let id = entry.id();
1594
1595            menu = menu.entry_with_end_slot_on_hover(
1596                title,
1597                None,
1598                {
1599                    let panel = panel.downgrade();
1600                    let id = id.clone();
1601                    move |window, cx| {
1602                        let id = id.clone();
1603                        panel
1604                            .update(cx, move |this, cx| match id {
1605                                HistoryEntryId::Thread(id) => this
1606                                    .open_thread_by_id(&id, window, cx)
1607                                    .detach_and_log_err(cx),
1608                                HistoryEntryId::Context(path) => this
1609                                    .open_saved_prompt_editor(path.clone(), window, cx)
1610                                    .detach_and_log_err(cx),
1611                            })
1612                            .ok();
1613                    }
1614                },
1615                IconName::Close,
1616                "Close Entry".into(),
1617                {
1618                    let panel = panel.downgrade();
1619                    let id = id.clone();
1620                    move |_window, cx| {
1621                        panel
1622                            .update(cx, |this, cx| {
1623                                this.history_store.update(cx, |history_store, cx| {
1624                                    history_store.remove_recently_opened_entry(&id, cx);
1625                                });
1626                            })
1627                            .ok();
1628                    }
1629                },
1630            );
1631        }
1632
1633        menu = menu.separator();
1634
1635        menu
1636    }
1637
1638    pub fn set_selected_agent(&mut self, agent: AgentType, cx: &mut Context<Self>) {
1639        if self.selected_agent != agent {
1640            self.selected_agent = agent;
1641            self.serialize(cx);
1642        }
1643    }
1644
1645    pub fn selected_agent(&self) -> AgentType {
1646        self.selected_agent
1647    }
1648}
1649
1650impl Focusable for AgentPanel {
1651    fn focus_handle(&self, cx: &App) -> FocusHandle {
1652        match &self.active_view {
1653            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1654            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1655            ActiveView::History => self.history.focus_handle(cx),
1656            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1657            ActiveView::Configuration => {
1658                if let Some(configuration) = self.configuration.as_ref() {
1659                    configuration.focus_handle(cx)
1660                } else {
1661                    cx.focus_handle()
1662                }
1663            }
1664        }
1665    }
1666}
1667
1668fn agent_panel_dock_position(cx: &App) -> DockPosition {
1669    match AgentSettings::get_global(cx).dock {
1670        AgentDockPosition::Left => DockPosition::Left,
1671        AgentDockPosition::Bottom => DockPosition::Bottom,
1672        AgentDockPosition::Right => DockPosition::Right,
1673    }
1674}
1675
1676impl EventEmitter<PanelEvent> for AgentPanel {}
1677
1678impl Panel for AgentPanel {
1679    fn persistent_name() -> &'static str {
1680        "AgentPanel"
1681    }
1682
1683    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1684        agent_panel_dock_position(cx)
1685    }
1686
1687    fn position_is_valid(&self, position: DockPosition) -> bool {
1688        position != DockPosition::Bottom
1689    }
1690
1691    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1692        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1693            let dock = match position {
1694                DockPosition::Left => AgentDockPosition::Left,
1695                DockPosition::Bottom => AgentDockPosition::Bottom,
1696                DockPosition::Right => AgentDockPosition::Right,
1697            };
1698            settings.set_dock(dock);
1699        });
1700    }
1701
1702    fn size(&self, window: &Window, cx: &App) -> Pixels {
1703        let settings = AgentSettings::get_global(cx);
1704        match self.position(window, cx) {
1705            DockPosition::Left | DockPosition::Right => {
1706                self.width.unwrap_or(settings.default_width)
1707            }
1708            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1709        }
1710    }
1711
1712    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1713        match self.position(window, cx) {
1714            DockPosition::Left | DockPosition::Right => self.width = size,
1715            DockPosition::Bottom => self.height = size,
1716        }
1717        self.serialize(cx);
1718        cx.notify();
1719    }
1720
1721    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1722
1723    fn remote_id() -> Option<proto::PanelId> {
1724        Some(proto::PanelId::AssistantPanel)
1725    }
1726
1727    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1728        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1729    }
1730
1731    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1732        Some("Agent Panel")
1733    }
1734
1735    fn toggle_action(&self) -> Box<dyn Action> {
1736        Box::new(ToggleFocus)
1737    }
1738
1739    fn activation_priority(&self) -> u32 {
1740        3
1741    }
1742
1743    fn enabled(&self, cx: &App) -> bool {
1744        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
1745    }
1746
1747    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1748        self.zoomed
1749    }
1750
1751    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1752        self.zoomed = zoomed;
1753        cx.notify();
1754    }
1755}
1756
1757impl AgentPanel {
1758    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1759        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1760
1761        let content = match &self.active_view {
1762            ActiveView::Thread {
1763                thread: active_thread,
1764                change_title_editor,
1765                ..
1766            } => {
1767                let state = {
1768                    let active_thread = active_thread.read(cx);
1769                    if active_thread.is_empty() {
1770                        &ThreadSummary::Pending
1771                    } else {
1772                        active_thread.summary(cx)
1773                    }
1774                };
1775
1776                match state {
1777                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT.clone())
1778                        .truncate()
1779                        .into_any_element(),
1780                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1781                        .truncate()
1782                        .into_any_element(),
1783                    ThreadSummary::Ready(_) => div()
1784                        .w_full()
1785                        .child(change_title_editor.clone())
1786                        .into_any_element(),
1787                    ThreadSummary::Error => h_flex()
1788                        .w_full()
1789                        .child(change_title_editor.clone())
1790                        .child(
1791                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1792                                .on_click({
1793                                    let active_thread = active_thread.clone();
1794                                    move |_, _window, cx| {
1795                                        active_thread.update(cx, |thread, cx| {
1796                                            thread.regenerate_summary(cx);
1797                                        });
1798                                    }
1799                                })
1800                                .tooltip(move |_window, cx| {
1801                                    cx.new(|_| {
1802                                        Tooltip::new("Failed to generate title")
1803                                            .meta("Click to try again")
1804                                    })
1805                                    .into()
1806                                }),
1807                        )
1808                        .into_any_element(),
1809                }
1810            }
1811            ActiveView::ExternalAgentThread { thread_view } => {
1812                Label::new(thread_view.read(cx).title(cx))
1813                    .truncate()
1814                    .into_any_element()
1815            }
1816            ActiveView::TextThread {
1817                title_editor,
1818                context_editor,
1819                ..
1820            } => {
1821                let summary = context_editor.read(cx).context().read(cx).summary();
1822
1823                match summary {
1824                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1825                        .truncate()
1826                        .into_any_element(),
1827                    ContextSummary::Content(summary) => {
1828                        if summary.done {
1829                            div()
1830                                .w_full()
1831                                .child(title_editor.clone())
1832                                .into_any_element()
1833                        } else {
1834                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1835                                .truncate()
1836                                .into_any_element()
1837                        }
1838                    }
1839                    ContextSummary::Error => h_flex()
1840                        .w_full()
1841                        .child(title_editor.clone())
1842                        .child(
1843                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1844                                .on_click({
1845                                    let context_editor = context_editor.clone();
1846                                    move |_, _window, cx| {
1847                                        context_editor.update(cx, |context_editor, cx| {
1848                                            context_editor.regenerate_summary(cx);
1849                                        });
1850                                    }
1851                                })
1852                                .tooltip(move |_window, cx| {
1853                                    cx.new(|_| {
1854                                        Tooltip::new("Failed to generate title")
1855                                            .meta("Click to try again")
1856                                    })
1857                                    .into()
1858                                }),
1859                        )
1860                        .into_any_element(),
1861                }
1862            }
1863            ActiveView::History => Label::new("History").truncate().into_any_element(),
1864            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1865        };
1866
1867        h_flex()
1868            .key_context("TitleEditor")
1869            .id("TitleEditor")
1870            .flex_grow()
1871            .w_full()
1872            .max_w_full()
1873            .overflow_x_scroll()
1874            .child(content)
1875            .into_any()
1876    }
1877
1878    fn render_panel_options_menu(
1879        &self,
1880        window: &mut Window,
1881        cx: &mut Context<Self>,
1882    ) -> impl IntoElement {
1883        let user_store = self.user_store.read(cx);
1884        let usage = user_store.model_request_usage();
1885        let account_url = zed_urls::account_url(cx);
1886
1887        let focus_handle = self.focus_handle(cx);
1888
1889        let full_screen_label = if self.is_zoomed(window, cx) {
1890            "Disable Full Screen"
1891        } else {
1892            "Enable Full Screen"
1893        };
1894
1895        PopoverMenu::new("agent-options-menu")
1896            .trigger_with_tooltip(
1897                IconButton::new("agent-options-menu", IconName::Ellipsis)
1898                    .icon_size(IconSize::Small),
1899                {
1900                    let focus_handle = focus_handle.clone();
1901                    move |window, cx| {
1902                        Tooltip::for_action_in(
1903                            "Toggle Agent Menu",
1904                            &ToggleOptionsMenu,
1905                            &focus_handle,
1906                            window,
1907                            cx,
1908                        )
1909                    }
1910                },
1911            )
1912            .anchor(Corner::TopRight)
1913            .with_handle(self.agent_panel_menu_handle.clone())
1914            .menu({
1915                let focus_handle = focus_handle.clone();
1916                move |window, cx| {
1917                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
1918                        menu = menu.context(focus_handle.clone());
1919                        if let Some(usage) = usage {
1920                            menu = menu
1921                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
1922                                .custom_entry(
1923                                    move |_window, cx| {
1924                                        let used_percentage = match usage.limit {
1925                                            UsageLimit::Limited(limit) => {
1926                                                Some((usage.amount as f32 / limit as f32) * 100.)
1927                                            }
1928                                            UsageLimit::Unlimited => None,
1929                                        };
1930
1931                                        h_flex()
1932                                            .flex_1()
1933                                            .gap_1p5()
1934                                            .children(used_percentage.map(|percent| {
1935                                                ProgressBar::new("usage", percent, 100., cx)
1936                                            }))
1937                                            .child(
1938                                                Label::new(match usage.limit {
1939                                                    UsageLimit::Limited(limit) => {
1940                                                        format!("{} / {limit}", usage.amount)
1941                                                    }
1942                                                    UsageLimit::Unlimited => {
1943                                                        format!("{} / ∞", usage.amount)
1944                                                    }
1945                                                })
1946                                                .size(LabelSize::Small)
1947                                                .color(Color::Muted),
1948                                            )
1949                                            .into_any_element()
1950                                    },
1951                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
1952                                )
1953                                .separator()
1954                        }
1955
1956                        menu = menu
1957                            .header("MCP Servers")
1958                            .action(
1959                                "View Server Extensions",
1960                                Box::new(zed_actions::Extensions {
1961                                    category_filter: Some(
1962                                        zed_actions::ExtensionCategoryFilter::ContextServers,
1963                                    ),
1964                                    id: None,
1965                                }),
1966                            )
1967                            .action("Add Custom Server…", Box::new(AddContextServer))
1968                            .separator();
1969
1970                        menu = menu
1971                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
1972                            .action("Settings", Box::new(OpenSettings))
1973                            .separator()
1974                            .action(full_screen_label, Box::new(ToggleZoom));
1975                        menu
1976                    }))
1977                }
1978            })
1979    }
1980
1981    fn render_recent_entries_menu(
1982        &self,
1983        icon: IconName,
1984        cx: &mut Context<Self>,
1985    ) -> impl IntoElement {
1986        let focus_handle = self.focus_handle(cx);
1987
1988        PopoverMenu::new("agent-nav-menu")
1989            .trigger_with_tooltip(
1990                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
1991                {
1992                    let focus_handle = focus_handle.clone();
1993                    move |window, cx| {
1994                        Tooltip::for_action_in(
1995                            "Toggle Panel Menu",
1996                            &ToggleNavigationMenu,
1997                            &focus_handle,
1998                            window,
1999                            cx,
2000                        )
2001                    }
2002                },
2003            )
2004            .anchor(Corner::TopLeft)
2005            .with_handle(self.assistant_navigation_menu_handle.clone())
2006            .menu({
2007                let menu = self.assistant_navigation_menu.clone();
2008                move |window, cx| {
2009                    if let Some(menu) = menu.as_ref() {
2010                        menu.update(cx, |_, cx| {
2011                            cx.defer_in(window, |menu, window, cx| {
2012                                menu.rebuild(window, cx);
2013                            });
2014                        })
2015                    }
2016                    menu.clone()
2017                }
2018            })
2019    }
2020
2021    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
2022        let focus_handle = self.focus_handle(cx);
2023
2024        IconButton::new("go-back", IconName::ArrowLeft)
2025            .icon_size(IconSize::Small)
2026            .on_click(cx.listener(|this, _, window, cx| {
2027                this.go_back(&workspace::GoBack, window, cx);
2028            }))
2029            .tooltip({
2030                let focus_handle = focus_handle.clone();
2031
2032                move |window, cx| {
2033                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
2034                }
2035            })
2036    }
2037
2038    fn render_toolbar_old(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2039        let focus_handle = self.focus_handle(cx);
2040
2041        let active_thread = match &self.active_view {
2042            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2043            ActiveView::ExternalAgentThread { .. }
2044            | ActiveView::TextThread { .. }
2045            | ActiveView::History
2046            | ActiveView::Configuration => None,
2047        };
2048
2049        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2050            .trigger_with_tooltip(
2051                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2052                Tooltip::text("New Thread…"),
2053            )
2054            .anchor(Corner::TopRight)
2055            .with_handle(self.new_thread_menu_handle.clone())
2056            .menu({
2057                let focus_handle = focus_handle.clone();
2058                move |window, cx| {
2059                    let active_thread = active_thread.clone();
2060                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2061                        menu = menu
2062                            .context(focus_handle.clone())
2063                            .when_some(active_thread, |this, active_thread| {
2064                                let thread = active_thread.read(cx);
2065
2066                                if !thread.is_empty() {
2067                                    let thread_id = thread.id().clone();
2068                                    this.item(
2069                                        ContextMenuEntry::new("New From Summary")
2070                                            .icon(IconName::ThreadFromSummary)
2071                                            .icon_color(Color::Muted)
2072                                            .handler(move |window, cx| {
2073                                                window.dispatch_action(
2074                                                    Box::new(NewThread {
2075                                                        from_thread_id: Some(thread_id.clone()),
2076                                                    }),
2077                                                    cx,
2078                                                );
2079                                            }),
2080                                    )
2081                                } else {
2082                                    this
2083                                }
2084                            })
2085                            .item(
2086                                ContextMenuEntry::new("New Thread")
2087                                    .icon(IconName::Thread)
2088                                    .icon_color(Color::Muted)
2089                                    .action(NewThread::default().boxed_clone())
2090                                    .handler(move |window, cx| {
2091                                        window.dispatch_action(
2092                                            NewThread::default().boxed_clone(),
2093                                            cx,
2094                                        );
2095                                    }),
2096                            )
2097                            .item(
2098                                ContextMenuEntry::new("New Text Thread")
2099                                    .icon(IconName::TextThread)
2100                                    .icon_color(Color::Muted)
2101                                    .action(NewTextThread.boxed_clone())
2102                                    .handler(move |window, cx| {
2103                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
2104                                    }),
2105                            );
2106                        menu
2107                    }))
2108                }
2109            });
2110
2111        h_flex()
2112            .id("assistant-toolbar")
2113            .h(Tab::container_height(cx))
2114            .max_w_full()
2115            .flex_none()
2116            .justify_between()
2117            .gap_2()
2118            .bg(cx.theme().colors().tab_bar_background)
2119            .border_b_1()
2120            .border_color(cx.theme().colors().border)
2121            .child(
2122                h_flex()
2123                    .size_full()
2124                    .pl_1()
2125                    .gap_1()
2126                    .child(match &self.active_view {
2127                        ActiveView::History | ActiveView::Configuration => div()
2128                            .pl(DynamicSpacing::Base04.rems(cx))
2129                            .child(self.render_toolbar_back_button(cx))
2130                            .into_any_element(),
2131                        _ => self
2132                            .render_recent_entries_menu(IconName::MenuAlt, cx)
2133                            .into_any_element(),
2134                    })
2135                    .child(self.render_title_view(window, cx)),
2136            )
2137            .child(
2138                h_flex()
2139                    .h_full()
2140                    .gap_2()
2141                    .children(self.render_token_count(cx))
2142                    .child(
2143                        h_flex()
2144                            .h_full()
2145                            .gap(DynamicSpacing::Base02.rems(cx))
2146                            .px(DynamicSpacing::Base08.rems(cx))
2147                            .border_l_1()
2148                            .border_color(cx.theme().colors().border)
2149                            .child(new_thread_menu)
2150                            .child(self.render_panel_options_menu(window, cx)),
2151                    ),
2152            )
2153    }
2154
2155    fn render_toolbar_new(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2156        let focus_handle = self.focus_handle(cx);
2157
2158        let active_thread = match &self.active_view {
2159            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2160            ActiveView::ExternalAgentThread { .. }
2161            | ActiveView::TextThread { .. }
2162            | ActiveView::History
2163            | ActiveView::Configuration => None,
2164        };
2165
2166        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2167            .trigger_with_tooltip(
2168                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2169                {
2170                    let focus_handle = focus_handle.clone();
2171                    move |window, cx| {
2172                        Tooltip::for_action_in(
2173                            "New…",
2174                            &ToggleNewThreadMenu,
2175                            &focus_handle,
2176                            window,
2177                            cx,
2178                        )
2179                    }
2180                },
2181            )
2182            .anchor(Corner::TopLeft)
2183            .with_handle(self.new_thread_menu_handle.clone())
2184            .menu({
2185                let focus_handle = focus_handle.clone();
2186                let workspace = self.workspace.clone();
2187
2188                move |window, cx| {
2189                    let active_thread = active_thread.clone();
2190                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2191                        menu = menu
2192                            .context(focus_handle.clone())
2193                            .header("Zed Agent")
2194                            .when_some(active_thread, |this, active_thread| {
2195                                let thread = active_thread.read(cx);
2196
2197                                if !thread.is_empty() {
2198                                    let thread_id = thread.id().clone();
2199                                    this.item(
2200                                        ContextMenuEntry::new("New From Summary")
2201                                            .icon(IconName::ThreadFromSummary)
2202                                            .icon_color(Color::Muted)
2203                                            .handler(move |window, cx| {
2204                                                window.dispatch_action(
2205                                                    Box::new(NewThread {
2206                                                        from_thread_id: Some(thread_id.clone()),
2207                                                    }),
2208                                                    cx,
2209                                                );
2210                                            }),
2211                                    )
2212                                } else {
2213                                    this
2214                                }
2215                            })
2216                            .item(
2217                                ContextMenuEntry::new("New Thread")
2218                                    .icon(IconName::Thread)
2219                                    .icon_color(Color::Muted)
2220                                    .action(NewThread::default().boxed_clone())
2221                                    .handler({
2222                                        let workspace = workspace.clone();
2223                                        move |window, cx| {
2224                                            if let Some(workspace) = workspace.upgrade() {
2225                                                workspace.update(cx, |workspace, cx| {
2226                                                    if let Some(panel) =
2227                                                        workspace.panel::<AgentPanel>(cx)
2228                                                    {
2229                                                        panel.update(cx, |panel, cx| {
2230                                                            panel.set_selected_agent(
2231                                                                AgentType::Zed,
2232                                                                cx,
2233                                                            );
2234                                                        });
2235                                                    }
2236                                                });
2237                                            }
2238                                            window.dispatch_action(
2239                                                NewThread::default().boxed_clone(),
2240                                                cx,
2241                                            );
2242                                        }
2243                                    }),
2244                            )
2245                            .item(
2246                                ContextMenuEntry::new("New Text Thread")
2247                                    .icon(IconName::TextThread)
2248                                    .icon_color(Color::Muted)
2249                                    .action(NewTextThread.boxed_clone())
2250                                    .handler({
2251                                        let workspace = workspace.clone();
2252                                        move |window, cx| {
2253                                            if let Some(workspace) = workspace.upgrade() {
2254                                                workspace.update(cx, |workspace, cx| {
2255                                                    if let Some(panel) =
2256                                                        workspace.panel::<AgentPanel>(cx)
2257                                                    {
2258                                                        panel.update(cx, |panel, cx| {
2259                                                            panel.set_selected_agent(
2260                                                                AgentType::TextThread,
2261                                                                cx,
2262                                                            );
2263                                                        });
2264                                                    }
2265                                                });
2266                                            }
2267                                            window.dispatch_action(NewTextThread.boxed_clone(), cx);
2268                                        }
2269                                    }),
2270                            )
2271                            .item(
2272                                ContextMenuEntry::new("New Native Agent Thread")
2273                                    .icon(IconName::ZedAssistant)
2274                                    .icon_color(Color::Muted)
2275                                    .handler({
2276                                        let workspace = workspace.clone();
2277                                        move |window, cx| {
2278                                            if let Some(workspace) = workspace.upgrade() {
2279                                                workspace.update(cx, |workspace, cx| {
2280                                                    if let Some(panel) =
2281                                                        workspace.panel::<AgentPanel>(cx)
2282                                                    {
2283                                                        panel.update(cx, |panel, cx| {
2284                                                            panel.set_selected_agent(
2285                                                                AgentType::NativeAgent,
2286                                                                cx,
2287                                                            );
2288                                                        });
2289                                                    }
2290                                                });
2291                                            }
2292                                            window.dispatch_action(
2293                                                NewExternalAgentThread {
2294                                                    agent: Some(crate::ExternalAgent::NativeAgent),
2295                                                }
2296                                                .boxed_clone(),
2297                                                cx,
2298                                            );
2299                                        }
2300                                    }),
2301                            )
2302                            .separator()
2303                            .header("External Agents")
2304                            .item(
2305                                ContextMenuEntry::new("New Gemini Thread")
2306                                    .icon(IconName::AiGemini)
2307                                    .icon_color(Color::Muted)
2308                                    .handler({
2309                                        let workspace = workspace.clone();
2310                                        move |window, cx| {
2311                                            if let Some(workspace) = workspace.upgrade() {
2312                                                workspace.update(cx, |workspace, cx| {
2313                                                    if let Some(panel) =
2314                                                        workspace.panel::<AgentPanel>(cx)
2315                                                    {
2316                                                        panel.update(cx, |panel, cx| {
2317                                                            panel.set_selected_agent(
2318                                                                AgentType::Gemini,
2319                                                                cx,
2320                                                            );
2321                                                        });
2322                                                    }
2323                                                });
2324                                            }
2325                                            window.dispatch_action(
2326                                                NewExternalAgentThread {
2327                                                    agent: Some(crate::ExternalAgent::Gemini),
2328                                                }
2329                                                .boxed_clone(),
2330                                                cx,
2331                                            );
2332                                        }
2333                                    }),
2334                            )
2335                            .item(
2336                                ContextMenuEntry::new("New Claude Code Thread")
2337                                    .icon(IconName::AiClaude)
2338                                    .icon_color(Color::Muted)
2339                                    .handler({
2340                                        let workspace = workspace.clone();
2341                                        move |window, cx| {
2342                                            if let Some(workspace) = workspace.upgrade() {
2343                                                workspace.update(cx, |workspace, cx| {
2344                                                    if let Some(panel) =
2345                                                        workspace.panel::<AgentPanel>(cx)
2346                                                    {
2347                                                        panel.update(cx, |panel, cx| {
2348                                                            panel.set_selected_agent(
2349                                                                AgentType::ClaudeCode,
2350                                                                cx,
2351                                                            );
2352                                                        });
2353                                                    }
2354                                                });
2355                                            }
2356                                            window.dispatch_action(
2357                                                NewExternalAgentThread {
2358                                                    agent: Some(crate::ExternalAgent::ClaudeCode),
2359                                                }
2360                                                .boxed_clone(),
2361                                                cx,
2362                                            );
2363                                        }
2364                                    }),
2365                            );
2366                        menu
2367                    }))
2368                }
2369            });
2370
2371        h_flex()
2372            .id("agent-panel-toolbar")
2373            .h(Tab::container_height(cx))
2374            .max_w_full()
2375            .flex_none()
2376            .justify_between()
2377            .gap_2()
2378            .bg(cx.theme().colors().tab_bar_background)
2379            .border_b_1()
2380            .border_color(cx.theme().colors().border)
2381            .child(
2382                h_flex()
2383                    .size_full()
2384                    .gap(DynamicSpacing::Base08.rems(cx))
2385                    .child(match &self.active_view {
2386                        ActiveView::History | ActiveView::Configuration => div()
2387                            .pl(DynamicSpacing::Base04.rems(cx))
2388                            .child(self.render_toolbar_back_button(cx))
2389                            .into_any_element(),
2390                        _ => h_flex()
2391                            .h_full()
2392                            .px(DynamicSpacing::Base04.rems(cx))
2393                            .border_r_1()
2394                            .border_color(cx.theme().colors().border)
2395                            .child(
2396                                h_flex()
2397                                    .px_0p5()
2398                                    .gap_1p5()
2399                                    .child(
2400                                        Icon::new(self.selected_agent.icon()).color(Color::Muted),
2401                                    )
2402                                    .child(Label::new(self.selected_agent.label())),
2403                            )
2404                            .into_any_element(),
2405                    })
2406                    .child(self.render_title_view(window, cx)),
2407            )
2408            .child(
2409                h_flex()
2410                    .h_full()
2411                    .gap_2()
2412                    .children(self.render_token_count(cx))
2413                    .child(
2414                        h_flex()
2415                            .h_full()
2416                            .gap(DynamicSpacing::Base02.rems(cx))
2417                            .pl(DynamicSpacing::Base04.rems(cx))
2418                            .pr(DynamicSpacing::Base06.rems(cx))
2419                            .border_l_1()
2420                            .border_color(cx.theme().colors().border)
2421                            .child(new_thread_menu)
2422                            .child(self.render_recent_entries_menu(IconName::HistoryRerun, cx))
2423                            .child(self.render_panel_options_menu(window, cx)),
2424                    ),
2425            )
2426    }
2427
2428    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2429        if cx.has_flag::<feature_flags::AcpFeatureFlag>() {
2430            self.render_toolbar_new(window, cx).into_any_element()
2431        } else {
2432            self.render_toolbar_old(window, cx).into_any_element()
2433        }
2434    }
2435
2436    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2437        match &self.active_view {
2438            ActiveView::Thread {
2439                thread,
2440                message_editor,
2441                ..
2442            } => {
2443                let active_thread = thread.read(cx);
2444                let message_editor = message_editor.read(cx);
2445
2446                let editor_empty = message_editor.is_editor_fully_empty(cx);
2447
2448                if active_thread.is_empty() && editor_empty {
2449                    return None;
2450                }
2451
2452                let thread = active_thread.thread().read(cx);
2453                let is_generating = thread.is_generating();
2454                let conversation_token_usage = thread.total_token_usage()?;
2455
2456                let (total_token_usage, is_estimating) =
2457                    if let Some((editing_message_id, unsent_tokens)) =
2458                        active_thread.editing_message_id()
2459                    {
2460                        let combined = thread
2461                            .token_usage_up_to_message(editing_message_id)
2462                            .add(unsent_tokens);
2463
2464                        (combined, unsent_tokens > 0)
2465                    } else {
2466                        let unsent_tokens =
2467                            message_editor.last_estimated_token_count().unwrap_or(0);
2468                        let combined = conversation_token_usage.add(unsent_tokens);
2469
2470                        (combined, unsent_tokens > 0)
2471                    };
2472
2473                let is_waiting_to_update_token_count =
2474                    message_editor.is_waiting_to_update_token_count();
2475
2476                if total_token_usage.total == 0 {
2477                    return None;
2478                }
2479
2480                let token_color = match total_token_usage.ratio() {
2481                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2482                    TokenUsageRatio::Normal => Color::Muted,
2483                    TokenUsageRatio::Warning => Color::Warning,
2484                    TokenUsageRatio::Exceeded => Color::Error,
2485                };
2486
2487                let token_count = h_flex()
2488                    .id("token-count")
2489                    .flex_shrink_0()
2490                    .gap_0p5()
2491                    .when(!is_generating && is_estimating, |parent| {
2492                        parent
2493                            .child(
2494                                h_flex()
2495                                    .mr_1()
2496                                    .size_2p5()
2497                                    .justify_center()
2498                                    .rounded_full()
2499                                    .bg(cx.theme().colors().text.opacity(0.1))
2500                                    .child(
2501                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2502                                    ),
2503                            )
2504                            .tooltip(move |window, cx| {
2505                                Tooltip::with_meta(
2506                                    "Estimated New Token Count",
2507                                    None,
2508                                    format!(
2509                                        "Current Conversation Tokens: {}",
2510                                        humanize_token_count(conversation_token_usage.total)
2511                                    ),
2512                                    window,
2513                                    cx,
2514                                )
2515                            })
2516                    })
2517                    .child(
2518                        Label::new(humanize_token_count(total_token_usage.total))
2519                            .size(LabelSize::Small)
2520                            .color(token_color)
2521                            .map(|label| {
2522                                if is_generating || is_waiting_to_update_token_count {
2523                                    label
2524                                        .with_animation(
2525                                            "used-tokens-label",
2526                                            Animation::new(Duration::from_secs(2))
2527                                                .repeat()
2528                                                .with_easing(pulsating_between(0.6, 1.)),
2529                                            |label, delta| label.alpha(delta),
2530                                        )
2531                                        .into_any()
2532                                } else {
2533                                    label.into_any_element()
2534                                }
2535                            }),
2536                    )
2537                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2538                    .child(
2539                        Label::new(humanize_token_count(total_token_usage.max))
2540                            .size(LabelSize::Small)
2541                            .color(Color::Muted),
2542                    )
2543                    .into_any();
2544
2545                Some(token_count)
2546            }
2547            ActiveView::TextThread { context_editor, .. } => {
2548                let element = render_remaining_tokens(context_editor, cx)?;
2549
2550                Some(element.into_any_element())
2551            }
2552            ActiveView::ExternalAgentThread { .. }
2553            | ActiveView::History
2554            | ActiveView::Configuration => {
2555                return None;
2556            }
2557        }
2558    }
2559
2560    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2561        if TrialEndUpsell::dismissed() {
2562            return false;
2563        }
2564
2565        match &self.active_view {
2566            ActiveView::Thread { thread, .. } => {
2567                if thread
2568                    .read(cx)
2569                    .thread()
2570                    .read(cx)
2571                    .configured_model()
2572                    .map_or(false, |model| {
2573                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2574                    })
2575                {
2576                    return false;
2577                }
2578            }
2579            ActiveView::TextThread { .. } => {
2580                if LanguageModelRegistry::global(cx)
2581                    .read(cx)
2582                    .default_model()
2583                    .map_or(false, |model| {
2584                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2585                    })
2586                {
2587                    return false;
2588                }
2589            }
2590            ActiveView::ExternalAgentThread { .. }
2591            | ActiveView::History
2592            | ActiveView::Configuration => return false,
2593        }
2594
2595        let plan = self.user_store.read(cx).plan();
2596        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2597
2598        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
2599    }
2600
2601    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2602        if OnboardingUpsell::dismissed() {
2603            return false;
2604        }
2605
2606        match &self.active_view {
2607            ActiveView::Thread { .. } | ActiveView::TextThread { .. } => {
2608                let history_is_empty = self
2609                    .history_store
2610                    .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2611
2612                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2613                    .providers()
2614                    .iter()
2615                    .any(|provider| {
2616                        provider.is_authenticated(cx)
2617                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2618                    });
2619
2620                history_is_empty || !has_configured_non_zed_providers
2621            }
2622            ActiveView::ExternalAgentThread { .. }
2623            | ActiveView::History
2624            | ActiveView::Configuration => false,
2625        }
2626    }
2627
2628    fn render_onboarding(
2629        &self,
2630        _window: &mut Window,
2631        cx: &mut Context<Self>,
2632    ) -> Option<impl IntoElement> {
2633        if !self.should_render_onboarding(cx) {
2634            return None;
2635        }
2636
2637        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
2638        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2639
2640        Some(
2641            div()
2642                .when(thread_view, |this| {
2643                    this.size_full().bg(cx.theme().colors().panel_background)
2644                })
2645                .when(text_thread_view, |this| {
2646                    this.bg(cx.theme().colors().editor_background)
2647                })
2648                .child(self.onboarding.clone()),
2649        )
2650    }
2651
2652    fn render_backdrop(&self, cx: &mut Context<Self>) -> impl IntoElement {
2653        div()
2654            .size_full()
2655            .absolute()
2656            .inset_0()
2657            .bg(cx.theme().colors().panel_background)
2658            .opacity(0.8)
2659            .block_mouse_except_scroll()
2660    }
2661
2662    fn render_trial_end_upsell(
2663        &self,
2664        _window: &mut Window,
2665        cx: &mut Context<Self>,
2666    ) -> Option<impl IntoElement> {
2667        if !self.should_render_trial_end_upsell(cx) {
2668            return None;
2669        }
2670
2671        Some(
2672            v_flex()
2673                .absolute()
2674                .inset_0()
2675                .size_full()
2676                .bg(cx.theme().colors().panel_background)
2677                .opacity(0.85)
2678                .block_mouse_except_scroll()
2679                .child(EndTrialUpsell::new(Arc::new({
2680                    let this = cx.entity();
2681                    move |_, cx| {
2682                        this.update(cx, |_this, cx| {
2683                            TrialEndUpsell::set_dismissed(true, cx);
2684                            cx.notify();
2685                        });
2686                    }
2687                }))),
2688        )
2689    }
2690
2691    fn render_empty_state_section_header(
2692        &self,
2693        label: impl Into<SharedString>,
2694        action_slot: Option<AnyElement>,
2695        cx: &mut Context<Self>,
2696    ) -> impl IntoElement {
2697        h_flex()
2698            .mt_2()
2699            .pl_1p5()
2700            .pb_1()
2701            .w_full()
2702            .justify_between()
2703            .border_b_1()
2704            .border_color(cx.theme().colors().border_variant)
2705            .child(
2706                Label::new(label.into())
2707                    .size(LabelSize::Small)
2708                    .color(Color::Muted),
2709            )
2710            .children(action_slot)
2711    }
2712
2713    fn render_thread_empty_state(
2714        &self,
2715        window: &mut Window,
2716        cx: &mut Context<Self>,
2717    ) -> impl IntoElement {
2718        let recent_history = self
2719            .history_store
2720            .update(cx, |this, cx| this.recent_entries(6, cx));
2721
2722        let model_registry = LanguageModelRegistry::read_global(cx);
2723
2724        let configuration_error =
2725            model_registry.configuration_error(model_registry.default_model(), cx);
2726
2727        let no_error = configuration_error.is_none();
2728        let focus_handle = self.focus_handle(cx);
2729
2730        v_flex()
2731            .size_full()
2732            .bg(cx.theme().colors().panel_background)
2733            .when(recent_history.is_empty(), |this| {
2734                this.child(
2735                    v_flex()
2736                        .size_full()
2737                        .mx_auto()
2738                        .justify_center()
2739                        .items_center()
2740                        .gap_1()
2741                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2742                        .when(no_error, |parent| {
2743                            parent
2744                                .child(h_flex().child(
2745                                    Label::new("Ask and build anything.").color(Color::Muted),
2746                                ))
2747                                .child(
2748                                    v_flex()
2749                                        .mt_2()
2750                                        .gap_1()
2751                                        .max_w_48()
2752                                        .child(
2753                                            Button::new("context", "Add Context")
2754                                                .label_size(LabelSize::Small)
2755                                                .icon(IconName::FileCode)
2756                                                .icon_position(IconPosition::Start)
2757                                                .icon_size(IconSize::Small)
2758                                                .icon_color(Color::Muted)
2759                                                .full_width()
2760                                                .key_binding(KeyBinding::for_action_in(
2761                                                    &ToggleContextPicker,
2762                                                    &focus_handle,
2763                                                    window,
2764                                                    cx,
2765                                                ))
2766                                                .on_click(|_event, window, cx| {
2767                                                    window.dispatch_action(
2768                                                        ToggleContextPicker.boxed_clone(),
2769                                                        cx,
2770                                                    )
2771                                                }),
2772                                        )
2773                                        .child(
2774                                            Button::new("mode", "Switch Model")
2775                                                .label_size(LabelSize::Small)
2776                                                .icon(IconName::DatabaseZap)
2777                                                .icon_position(IconPosition::Start)
2778                                                .icon_size(IconSize::Small)
2779                                                .icon_color(Color::Muted)
2780                                                .full_width()
2781                                                .key_binding(KeyBinding::for_action_in(
2782                                                    &ToggleModelSelector,
2783                                                    &focus_handle,
2784                                                    window,
2785                                                    cx,
2786                                                ))
2787                                                .on_click(|_event, window, cx| {
2788                                                    window.dispatch_action(
2789                                                        ToggleModelSelector.boxed_clone(),
2790                                                        cx,
2791                                                    )
2792                                                }),
2793                                        )
2794                                        .child(
2795                                            Button::new("settings", "View Settings")
2796                                                .label_size(LabelSize::Small)
2797                                                .icon(IconName::Settings)
2798                                                .icon_position(IconPosition::Start)
2799                                                .icon_size(IconSize::Small)
2800                                                .icon_color(Color::Muted)
2801                                                .full_width()
2802                                                .key_binding(KeyBinding::for_action_in(
2803                                                    &OpenSettings,
2804                                                    &focus_handle,
2805                                                    window,
2806                                                    cx,
2807                                                ))
2808                                                .on_click(|_event, window, cx| {
2809                                                    window.dispatch_action(
2810                                                        OpenSettings.boxed_clone(),
2811                                                        cx,
2812                                                    )
2813                                                }),
2814                                        ),
2815                                )
2816                        })
2817                        .when_some(configuration_error.as_ref(), |this, err| {
2818                            this.child(self.render_configuration_error(
2819                                err,
2820                                &focus_handle,
2821                                window,
2822                                cx,
2823                            ))
2824                        }),
2825                )
2826            })
2827            .when(!recent_history.is_empty(), |parent| {
2828                let focus_handle = focus_handle.clone();
2829                parent
2830                    .overflow_hidden()
2831                    .p_1p5()
2832                    .justify_end()
2833                    .gap_1()
2834                    .child(
2835                        self.render_empty_state_section_header(
2836                            "Recent",
2837                            Some(
2838                                Button::new("view-history", "View All")
2839                                    .style(ButtonStyle::Subtle)
2840                                    .label_size(LabelSize::Small)
2841                                    .key_binding(
2842                                        KeyBinding::for_action_in(
2843                                            &OpenHistory,
2844                                            &self.focus_handle(cx),
2845                                            window,
2846                                            cx,
2847                                        )
2848                                        .map(|kb| kb.size(rems_from_px(12.))),
2849                                    )
2850                                    .on_click(move |_event, window, cx| {
2851                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2852                                    })
2853                                    .into_any_element(),
2854                            ),
2855                            cx,
2856                        ),
2857                    )
2858                    .child(
2859                        v_flex()
2860                            .gap_1()
2861                            .children(recent_history.into_iter().enumerate().map(
2862                                |(index, entry)| {
2863                                    // TODO: Add keyboard navigation.
2864                                    let is_hovered =
2865                                        self.hovered_recent_history_item == Some(index);
2866                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2867                                        .hovered(is_hovered)
2868                                        .on_hover(cx.listener(
2869                                            move |this, is_hovered, _window, cx| {
2870                                                if *is_hovered {
2871                                                    this.hovered_recent_history_item = Some(index);
2872                                                } else if this.hovered_recent_history_item
2873                                                    == Some(index)
2874                                                {
2875                                                    this.hovered_recent_history_item = None;
2876                                                }
2877                                                cx.notify();
2878                                            },
2879                                        ))
2880                                        .into_any_element()
2881                                },
2882                            )),
2883                    )
2884                    .when_some(configuration_error.as_ref(), |this, err| {
2885                        this.child(self.render_configuration_error(err, &focus_handle, window, cx))
2886                    })
2887            })
2888    }
2889
2890    fn render_configuration_error(
2891        &self,
2892        configuration_error: &ConfigurationError,
2893        focus_handle: &FocusHandle,
2894        window: &mut Window,
2895        cx: &mut App,
2896    ) -> impl IntoElement {
2897        match configuration_error {
2898            ConfigurationError::ModelNotFound
2899            | ConfigurationError::ProviderNotAuthenticated(_)
2900            | ConfigurationError::NoProvider => Banner::new()
2901                .severity(ui::Severity::Warning)
2902                .child(Label::new(configuration_error.to_string()))
2903                .action_slot(
2904                    Button::new("settings", "Configure Provider")
2905                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2906                        .label_size(LabelSize::Small)
2907                        .key_binding(
2908                            KeyBinding::for_action_in(&OpenSettings, &focus_handle, window, cx)
2909                                .map(|kb| kb.size(rems_from_px(12.))),
2910                        )
2911                        .on_click(|_event, window, cx| {
2912                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2913                        }),
2914                ),
2915            ConfigurationError::ProviderPendingTermsAcceptance(provider) => {
2916                Banner::new().severity(ui::Severity::Warning).child(
2917                    h_flex().w_full().children(
2918                        provider.render_accept_terms(
2919                            LanguageModelProviderTosView::ThreadEmptyState,
2920                            cx,
2921                        ),
2922                    ),
2923                )
2924            }
2925        }
2926    }
2927
2928    fn render_tool_use_limit_reached(
2929        &self,
2930        window: &mut Window,
2931        cx: &mut Context<Self>,
2932    ) -> Option<AnyElement> {
2933        let active_thread = match &self.active_view {
2934            ActiveView::Thread { thread, .. } => thread,
2935            ActiveView::ExternalAgentThread { .. } => {
2936                return None;
2937            }
2938            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2939                return None;
2940            }
2941        };
2942
2943        let thread = active_thread.read(cx).thread().read(cx);
2944
2945        let tool_use_limit_reached = thread.tool_use_limit_reached();
2946        if !tool_use_limit_reached {
2947            return None;
2948        }
2949
2950        let model = thread.configured_model()?.model;
2951
2952        let focus_handle = self.focus_handle(cx);
2953
2954        let banner = Banner::new()
2955            .severity(ui::Severity::Info)
2956            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
2957            .action_slot(
2958                h_flex()
2959                    .gap_1()
2960                    .child(
2961                        Button::new("continue-conversation", "Continue")
2962                            .layer(ElevationIndex::ModalSurface)
2963                            .label_size(LabelSize::Small)
2964                            .key_binding(
2965                                KeyBinding::for_action_in(
2966                                    &ContinueThread,
2967                                    &focus_handle,
2968                                    window,
2969                                    cx,
2970                                )
2971                                .map(|kb| kb.size(rems_from_px(10.))),
2972                            )
2973                            .on_click(cx.listener(|this, _, window, cx| {
2974                                this.continue_conversation(window, cx);
2975                            })),
2976                    )
2977                    .when(model.supports_burn_mode(), |this| {
2978                        this.child(
2979                            Button::new("continue-burn-mode", "Continue with Burn Mode")
2980                                .style(ButtonStyle::Filled)
2981                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2982                                .layer(ElevationIndex::ModalSurface)
2983                                .label_size(LabelSize::Small)
2984                                .key_binding(
2985                                    KeyBinding::for_action_in(
2986                                        &ContinueWithBurnMode,
2987                                        &focus_handle,
2988                                        window,
2989                                        cx,
2990                                    )
2991                                    .map(|kb| kb.size(rems_from_px(10.))),
2992                                )
2993                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
2994                                .on_click({
2995                                    let active_thread = active_thread.clone();
2996                                    cx.listener(move |this, _, window, cx| {
2997                                        active_thread.update(cx, |active_thread, cx| {
2998                                            active_thread.thread().update(cx, |thread, _cx| {
2999                                                thread.set_completion_mode(CompletionMode::Burn);
3000                                            });
3001                                        });
3002                                        this.continue_conversation(window, cx);
3003                                    })
3004                                }),
3005                        )
3006                    }),
3007            );
3008
3009        Some(div().px_2().pb_2().child(banner).into_any_element())
3010    }
3011
3012    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3013        let message = message.into();
3014
3015        IconButton::new("copy", IconName::Copy)
3016            .icon_size(IconSize::Small)
3017            .icon_color(Color::Muted)
3018            .tooltip(Tooltip::text("Copy Error Message"))
3019            .on_click(move |_, _, cx| {
3020                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3021            })
3022    }
3023
3024    fn dismiss_error_button(
3025        &self,
3026        thread: &Entity<ActiveThread>,
3027        cx: &mut Context<Self>,
3028    ) -> impl IntoElement {
3029        IconButton::new("dismiss", IconName::Close)
3030            .icon_size(IconSize::Small)
3031            .icon_color(Color::Muted)
3032            .tooltip(Tooltip::text("Dismiss Error"))
3033            .on_click(cx.listener({
3034                let thread = thread.clone();
3035                move |_, _, _, cx| {
3036                    thread.update(cx, |this, _cx| {
3037                        this.clear_last_error();
3038                    });
3039
3040                    cx.notify();
3041                }
3042            }))
3043    }
3044
3045    fn upgrade_button(
3046        &self,
3047        thread: &Entity<ActiveThread>,
3048        cx: &mut Context<Self>,
3049    ) -> impl IntoElement {
3050        Button::new("upgrade", "Upgrade")
3051            .label_size(LabelSize::Small)
3052            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3053            .on_click(cx.listener({
3054                let thread = thread.clone();
3055                move |_, _, _, cx| {
3056                    thread.update(cx, |this, _cx| {
3057                        this.clear_last_error();
3058                    });
3059
3060                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3061                    cx.notify();
3062                }
3063            }))
3064    }
3065
3066    fn error_callout_bg(&self, cx: &Context<Self>) -> Hsla {
3067        cx.theme().status().error.opacity(0.08)
3068    }
3069
3070    fn render_payment_required_error(
3071        &self,
3072        thread: &Entity<ActiveThread>,
3073        cx: &mut Context<Self>,
3074    ) -> AnyElement {
3075        const ERROR_MESSAGE: &str =
3076            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3077
3078        let icon = Icon::new(IconName::XCircle)
3079            .size(IconSize::Small)
3080            .color(Color::Error);
3081
3082        div()
3083            .border_t_1()
3084            .border_color(cx.theme().colors().border)
3085            .child(
3086                Callout::new()
3087                    .icon(icon)
3088                    .title("Free Usage Exceeded")
3089                    .description(ERROR_MESSAGE)
3090                    .tertiary_action(self.upgrade_button(thread, cx))
3091                    .secondary_action(self.create_copy_button(ERROR_MESSAGE))
3092                    .primary_action(self.dismiss_error_button(thread, cx))
3093                    .bg_color(self.error_callout_bg(cx)),
3094            )
3095            .into_any_element()
3096    }
3097
3098    fn render_model_request_limit_reached_error(
3099        &self,
3100        plan: Plan,
3101        thread: &Entity<ActiveThread>,
3102        cx: &mut Context<Self>,
3103    ) -> AnyElement {
3104        let error_message = match plan {
3105            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3106            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
3107        };
3108
3109        let icon = Icon::new(IconName::XCircle)
3110            .size(IconSize::Small)
3111            .color(Color::Error);
3112
3113        div()
3114            .border_t_1()
3115            .border_color(cx.theme().colors().border)
3116            .child(
3117                Callout::new()
3118                    .icon(icon)
3119                    .title("Model Prompt Limit Reached")
3120                    .description(error_message)
3121                    .tertiary_action(self.upgrade_button(thread, cx))
3122                    .secondary_action(self.create_copy_button(error_message))
3123                    .primary_action(self.dismiss_error_button(thread, cx))
3124                    .bg_color(self.error_callout_bg(cx)),
3125            )
3126            .into_any_element()
3127    }
3128
3129    fn render_error_message(
3130        &self,
3131        header: SharedString,
3132        message: SharedString,
3133        thread: &Entity<ActiveThread>,
3134        cx: &mut Context<Self>,
3135    ) -> AnyElement {
3136        let message_with_header = format!("{}\n{}", header, message);
3137
3138        let icon = Icon::new(IconName::XCircle)
3139            .size(IconSize::Small)
3140            .color(Color::Error);
3141
3142        let retry_button = Button::new("retry", "Retry")
3143            .icon(IconName::RotateCw)
3144            .icon_position(IconPosition::Start)
3145            .icon_size(IconSize::Small)
3146            .label_size(LabelSize::Small)
3147            .on_click({
3148                let thread = thread.clone();
3149                move |_, window, cx| {
3150                    thread.update(cx, |thread, cx| {
3151                        thread.clear_last_error();
3152                        thread.thread().update(cx, |thread, cx| {
3153                            thread.retry_last_completion(Some(window.window_handle()), cx);
3154                        });
3155                    });
3156                }
3157            });
3158
3159        div()
3160            .border_t_1()
3161            .border_color(cx.theme().colors().border)
3162            .child(
3163                Callout::new()
3164                    .icon(icon)
3165                    .title(header)
3166                    .description(message.clone())
3167                    .primary_action(retry_button)
3168                    .secondary_action(self.dismiss_error_button(thread, cx))
3169                    .tertiary_action(self.create_copy_button(message_with_header))
3170                    .bg_color(self.error_callout_bg(cx)),
3171            )
3172            .into_any_element()
3173    }
3174
3175    fn render_retryable_error(
3176        &self,
3177        message: SharedString,
3178        can_enable_burn_mode: bool,
3179        thread: &Entity<ActiveThread>,
3180        cx: &mut Context<Self>,
3181    ) -> AnyElement {
3182        let icon = Icon::new(IconName::XCircle)
3183            .size(IconSize::Small)
3184            .color(Color::Error);
3185
3186        let retry_button = Button::new("retry", "Retry")
3187            .icon(IconName::RotateCw)
3188            .icon_position(IconPosition::Start)
3189            .icon_size(IconSize::Small)
3190            .label_size(LabelSize::Small)
3191            .on_click({
3192                let thread = thread.clone();
3193                move |_, window, cx| {
3194                    thread.update(cx, |thread, cx| {
3195                        thread.clear_last_error();
3196                        thread.thread().update(cx, |thread, cx| {
3197                            thread.retry_last_completion(Some(window.window_handle()), cx);
3198                        });
3199                    });
3200                }
3201            });
3202
3203        let mut callout = Callout::new()
3204            .icon(icon)
3205            .title("Error")
3206            .description(message.clone())
3207            .bg_color(self.error_callout_bg(cx))
3208            .primary_action(retry_button);
3209
3210        if can_enable_burn_mode {
3211            let burn_mode_button = Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3212                .icon(IconName::ZedBurnMode)
3213                .icon_position(IconPosition::Start)
3214                .icon_size(IconSize::Small)
3215                .label_size(LabelSize::Small)
3216                .on_click({
3217                    let thread = thread.clone();
3218                    move |_, window, cx| {
3219                        thread.update(cx, |thread, cx| {
3220                            thread.clear_last_error();
3221                            thread.thread().update(cx, |thread, cx| {
3222                                thread.enable_burn_mode_and_retry(Some(window.window_handle()), cx);
3223                            });
3224                        });
3225                    }
3226                });
3227            callout = callout.secondary_action(burn_mode_button);
3228        }
3229
3230        div()
3231            .border_t_1()
3232            .border_color(cx.theme().colors().border)
3233            .child(callout)
3234            .into_any_element()
3235    }
3236
3237    fn render_prompt_editor(
3238        &self,
3239        context_editor: &Entity<TextThreadEditor>,
3240        buffer_search_bar: &Entity<BufferSearchBar>,
3241        window: &mut Window,
3242        cx: &mut Context<Self>,
3243    ) -> Div {
3244        let mut registrar = buffer_search::DivRegistrar::new(
3245            |this, _, _cx| match &this.active_view {
3246                ActiveView::TextThread {
3247                    buffer_search_bar, ..
3248                } => Some(buffer_search_bar.clone()),
3249                _ => None,
3250            },
3251            cx,
3252        );
3253        BufferSearchBar::register(&mut registrar);
3254        registrar
3255            .into_div()
3256            .size_full()
3257            .relative()
3258            .map(|parent| {
3259                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3260                    if buffer_search_bar.is_dismissed() {
3261                        return parent;
3262                    }
3263                    parent.child(
3264                        div()
3265                            .p(DynamicSpacing::Base08.rems(cx))
3266                            .border_b_1()
3267                            .border_color(cx.theme().colors().border_variant)
3268                            .bg(cx.theme().colors().editor_background)
3269                            .child(buffer_search_bar.render(window, cx)),
3270                    )
3271                })
3272            })
3273            .child(context_editor.clone())
3274            .child(self.render_drag_target(cx))
3275    }
3276
3277    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3278        let is_local = self.project.read(cx).is_local();
3279        div()
3280            .invisible()
3281            .absolute()
3282            .top_0()
3283            .right_0()
3284            .bottom_0()
3285            .left_0()
3286            .bg(cx.theme().colors().drop_target_background)
3287            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3288            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3289            .when(is_local, |this| {
3290                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3291            })
3292            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3293                let item = tab.pane.read(cx).item_for_index(tab.ix);
3294                let project_paths = item
3295                    .and_then(|item| item.project_path(cx))
3296                    .into_iter()
3297                    .collect::<Vec<_>>();
3298                this.handle_drop(project_paths, vec![], window, cx);
3299            }))
3300            .on_drop(
3301                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3302                    let project_paths = selection
3303                        .items()
3304                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3305                        .collect::<Vec<_>>();
3306                    this.handle_drop(project_paths, vec![], window, cx);
3307                }),
3308            )
3309            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3310                let tasks = paths
3311                    .paths()
3312                    .into_iter()
3313                    .map(|path| {
3314                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
3315                    })
3316                    .collect::<Vec<_>>();
3317                cx.spawn_in(window, async move |this, cx| {
3318                    let mut paths = vec![];
3319                    let mut added_worktrees = vec![];
3320                    let opened_paths = futures::future::join_all(tasks).await;
3321                    for entry in opened_paths {
3322                        if let Some((worktree, project_path)) = entry.log_err() {
3323                            added_worktrees.push(worktree);
3324                            paths.push(project_path);
3325                        }
3326                    }
3327                    this.update_in(cx, |this, window, cx| {
3328                        this.handle_drop(paths, added_worktrees, window, cx);
3329                    })
3330                    .ok();
3331                })
3332                .detach();
3333            }))
3334    }
3335
3336    fn handle_drop(
3337        &mut self,
3338        paths: Vec<ProjectPath>,
3339        added_worktrees: Vec<Entity<Worktree>>,
3340        window: &mut Window,
3341        cx: &mut Context<Self>,
3342    ) {
3343        match &self.active_view {
3344            ActiveView::Thread { thread, .. } => {
3345                let context_store = thread.read(cx).context_store().clone();
3346                context_store.update(cx, move |context_store, cx| {
3347                    let mut tasks = Vec::new();
3348                    for project_path in &paths {
3349                        tasks.push(context_store.add_file_from_path(
3350                            project_path.clone(),
3351                            false,
3352                            cx,
3353                        ));
3354                    }
3355                    cx.background_spawn(async move {
3356                        futures::future::join_all(tasks).await;
3357                        // Need to hold onto the worktrees until they have already been used when
3358                        // opening the buffers.
3359                        drop(added_worktrees);
3360                    })
3361                    .detach();
3362                });
3363            }
3364            ActiveView::ExternalAgentThread { thread_view } => {
3365                thread_view.update(cx, |thread_view, cx| {
3366                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
3367                });
3368            }
3369            ActiveView::TextThread { context_editor, .. } => {
3370                context_editor.update(cx, |context_editor, cx| {
3371                    TextThreadEditor::insert_dragged_files(
3372                        context_editor,
3373                        paths,
3374                        added_worktrees,
3375                        window,
3376                        cx,
3377                    );
3378                });
3379            }
3380            ActiveView::History | ActiveView::Configuration => {}
3381        }
3382    }
3383
3384    fn key_context(&self) -> KeyContext {
3385        let mut key_context = KeyContext::new_with_defaults();
3386        key_context.add("AgentPanel");
3387        match &self.active_view {
3388            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3389            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3390            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3391        }
3392        key_context
3393    }
3394}
3395
3396impl Render for AgentPanel {
3397    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3398        // WARNING: Changes to this element hierarchy can have
3399        // non-obvious implications to the layout of children.
3400        //
3401        // If you need to change it, please confirm:
3402        // - The message editor expands (cmd-option-esc) correctly
3403        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3404        // - Font size works as expected and can be changed with cmd-+/cmd-
3405        // - Scrolling in all views works as expected
3406        // - Files can be dropped into the panel
3407        let content = v_flex()
3408            .relative()
3409            .size_full()
3410            .justify_between()
3411            .key_context(self.key_context())
3412            .on_action(cx.listener(Self::cancel))
3413            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3414                this.new_thread(action, window, cx);
3415            }))
3416            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3417                this.open_history(window, cx);
3418            }))
3419            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3420                this.open_configuration(window, cx);
3421            }))
3422            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3423            .on_action(cx.listener(Self::deploy_rules_library))
3424            .on_action(cx.listener(Self::open_agent_diff))
3425            .on_action(cx.listener(Self::go_back))
3426            .on_action(cx.listener(Self::toggle_navigation_menu))
3427            .on_action(cx.listener(Self::toggle_options_menu))
3428            .on_action(cx.listener(Self::increase_font_size))
3429            .on_action(cx.listener(Self::decrease_font_size))
3430            .on_action(cx.listener(Self::reset_font_size))
3431            .on_action(cx.listener(Self::toggle_zoom))
3432            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3433                this.continue_conversation(window, cx);
3434            }))
3435            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3436                match &this.active_view {
3437                    ActiveView::Thread { thread, .. } => {
3438                        thread.update(cx, |active_thread, cx| {
3439                            active_thread.thread().update(cx, |thread, _cx| {
3440                                thread.set_completion_mode(CompletionMode::Burn);
3441                            });
3442                        });
3443                        this.continue_conversation(window, cx);
3444                    }
3445                    ActiveView::ExternalAgentThread { .. } => {}
3446                    ActiveView::TextThread { .. }
3447                    | ActiveView::History
3448                    | ActiveView::Configuration => {}
3449                }
3450            }))
3451            .on_action(cx.listener(Self::toggle_burn_mode))
3452            .child(self.render_toolbar(window, cx))
3453            .children(self.render_onboarding(window, cx))
3454            .map(|parent| match &self.active_view {
3455                ActiveView::Thread {
3456                    thread,
3457                    message_editor,
3458                    ..
3459                } => parent
3460                    .child(
3461                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3462                            self.render_thread_empty_state(window, cx)
3463                                .into_any_element()
3464                        } else {
3465                            thread.clone().into_any_element()
3466                        },
3467                    )
3468                    .children(self.render_tool_use_limit_reached(window, cx))
3469                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3470                        this.child(
3471                            div()
3472                                .child(match last_error {
3473                                    ThreadError::PaymentRequired => {
3474                                        self.render_payment_required_error(thread, cx)
3475                                    }
3476                                    ThreadError::ModelRequestLimitReached { plan } => self
3477                                        .render_model_request_limit_reached_error(plan, thread, cx),
3478                                    ThreadError::Message { header, message } => {
3479                                        self.render_error_message(header, message, thread, cx)
3480                                    }
3481                                    ThreadError::RetryableError {
3482                                        message,
3483                                        can_enable_burn_mode,
3484                                    } => self.render_retryable_error(
3485                                        message,
3486                                        can_enable_burn_mode,
3487                                        thread,
3488                                        cx,
3489                                    ),
3490                                })
3491                                .into_any(),
3492                        )
3493                    })
3494                    .child(h_flex().relative().child(message_editor.clone()).when(
3495                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3496                        |this| this.child(self.render_backdrop(cx)),
3497                    ))
3498                    .child(self.render_drag_target(cx)),
3499                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3500                    .child(thread_view.clone())
3501                    .child(self.render_drag_target(cx)),
3502                ActiveView::History => parent.child(self.history.clone()),
3503                ActiveView::TextThread {
3504                    context_editor,
3505                    buffer_search_bar,
3506                    ..
3507                } => {
3508                    let model_registry = LanguageModelRegistry::read_global(cx);
3509                    let configuration_error =
3510                        model_registry.configuration_error(model_registry.default_model(), cx);
3511                    parent
3512                        .map(|this| {
3513                            if !self.should_render_onboarding(cx)
3514                                && let Some(err) = configuration_error.as_ref()
3515                            {
3516                                this.child(
3517                                    div().bg(cx.theme().colors().editor_background).p_2().child(
3518                                        self.render_configuration_error(
3519                                            err,
3520                                            &self.focus_handle(cx),
3521                                            window,
3522                                            cx,
3523                                        ),
3524                                    ),
3525                                )
3526                            } else {
3527                                this
3528                            }
3529                        })
3530                        .child(self.render_prompt_editor(
3531                            context_editor,
3532                            buffer_search_bar,
3533                            window,
3534                            cx,
3535                        ))
3536                }
3537                ActiveView::Configuration => parent.children(self.configuration.clone()),
3538            })
3539            .children(self.render_trial_end_upsell(window, cx));
3540
3541        match self.active_view.which_font_size_used() {
3542            WhichFontSize::AgentFont => {
3543                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3544                    .size_full()
3545                    .child(content)
3546                    .into_any()
3547            }
3548            _ => content.into_any(),
3549        }
3550    }
3551}
3552
3553struct PromptLibraryInlineAssist {
3554    workspace: WeakEntity<Workspace>,
3555}
3556
3557impl PromptLibraryInlineAssist {
3558    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3559        Self { workspace }
3560    }
3561}
3562
3563impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3564    fn assist(
3565        &self,
3566        prompt_editor: &Entity<Editor>,
3567        initial_prompt: Option<String>,
3568        window: &mut Window,
3569        cx: &mut Context<RulesLibrary>,
3570    ) {
3571        InlineAssistant::update_global(cx, |assistant, cx| {
3572            let Some(project) = self
3573                .workspace
3574                .upgrade()
3575                .map(|workspace| workspace.read(cx).project().downgrade())
3576            else {
3577                return;
3578            };
3579            let prompt_store = None;
3580            let thread_store = None;
3581            let text_thread_store = None;
3582            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3583            assistant.assist(
3584                &prompt_editor,
3585                self.workspace.clone(),
3586                context_store,
3587                project,
3588                prompt_store,
3589                thread_store,
3590                text_thread_store,
3591                initial_prompt,
3592                window,
3593                cx,
3594            )
3595        })
3596    }
3597
3598    fn focus_agent_panel(
3599        &self,
3600        workspace: &mut Workspace,
3601        window: &mut Window,
3602        cx: &mut Context<Workspace>,
3603    ) -> bool {
3604        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3605    }
3606}
3607
3608pub struct ConcreteAssistantPanelDelegate;
3609
3610impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3611    fn active_context_editor(
3612        &self,
3613        workspace: &mut Workspace,
3614        _window: &mut Window,
3615        cx: &mut Context<Workspace>,
3616    ) -> Option<Entity<TextThreadEditor>> {
3617        let panel = workspace.panel::<AgentPanel>(cx)?;
3618        panel.read(cx).active_context_editor()
3619    }
3620
3621    fn open_saved_context(
3622        &self,
3623        workspace: &mut Workspace,
3624        path: Arc<Path>,
3625        window: &mut Window,
3626        cx: &mut Context<Workspace>,
3627    ) -> Task<Result<()>> {
3628        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3629            return Task::ready(Err(anyhow!("Agent panel not found")));
3630        };
3631
3632        panel.update(cx, |panel, cx| {
3633            panel.open_saved_prompt_editor(path, window, cx)
3634        })
3635    }
3636
3637    fn open_remote_context(
3638        &self,
3639        _workspace: &mut Workspace,
3640        _context_id: assistant_context::ContextId,
3641        _window: &mut Window,
3642        _cx: &mut Context<Workspace>,
3643    ) -> Task<Result<Entity<TextThreadEditor>>> {
3644        Task::ready(Err(anyhow!("opening remote context not implemented")))
3645    }
3646
3647    fn quote_selection(
3648        &self,
3649        workspace: &mut Workspace,
3650        selection_ranges: Vec<Range<Anchor>>,
3651        buffer: Entity<MultiBuffer>,
3652        window: &mut Window,
3653        cx: &mut Context<Workspace>,
3654    ) {
3655        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3656            return;
3657        };
3658
3659        if !panel.focus_handle(cx).contains_focused(window, cx) {
3660            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3661        }
3662
3663        panel.update(cx, |_, cx| {
3664            // Wait to create a new context until the workspace is no longer
3665            // being updated.
3666            cx.defer_in(window, move |panel, window, cx| {
3667                if let Some(message_editor) = panel.active_message_editor() {
3668                    message_editor.update(cx, |message_editor, cx| {
3669                        message_editor.context_store().update(cx, |store, cx| {
3670                            let buffer = buffer.read(cx);
3671                            let selection_ranges = selection_ranges
3672                                .into_iter()
3673                                .flat_map(|range| {
3674                                    let (start_buffer, start) =
3675                                        buffer.text_anchor_for_position(range.start, cx)?;
3676                                    let (end_buffer, end) =
3677                                        buffer.text_anchor_for_position(range.end, cx)?;
3678                                    if start_buffer != end_buffer {
3679                                        return None;
3680                                    }
3681                                    Some((start_buffer, start..end))
3682                                })
3683                                .collect::<Vec<_>>();
3684
3685                            for (buffer, range) in selection_ranges {
3686                                store.add_selection(buffer, range, cx);
3687                            }
3688                        })
3689                    })
3690                } else if let Some(context_editor) = panel.active_context_editor() {
3691                    let snapshot = buffer.read(cx).snapshot(cx);
3692                    let selection_ranges = selection_ranges
3693                        .into_iter()
3694                        .map(|range| range.to_point(&snapshot))
3695                        .collect::<Vec<_>>();
3696
3697                    context_editor.update(cx, |context_editor, cx| {
3698                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3699                    });
3700                }
3701            });
3702        });
3703    }
3704}
3705
3706struct OnboardingUpsell;
3707
3708impl Dismissable for OnboardingUpsell {
3709    const KEY: &'static str = "dismissed-trial-upsell";
3710}
3711
3712struct TrialEndUpsell;
3713
3714impl Dismissable for TrialEndUpsell {
3715    const KEY: &'static str = "dismissed-trial-end-upsell";
3716}