agent_panel.rs

   1use std::ops::Range;
   2use std::path::Path;
   3use std::rc::Rc;
   4use std::sync::Arc;
   5use std::time::Duration;
   6
   7use db::kvp::{Dismissable, KEY_VALUE_STORE};
   8use serde::{Deserialize, Serialize};
   9
  10use crate::language_model_selector::ToggleModelSelector;
  11use crate::{
  12    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
  13    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
  14    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
  15    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu, ToggleOptionsMenu,
  16    active_thread::{self, ActiveThread, ActiveThreadEvent},
  17    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  18    agent_diff::AgentDiff,
  19    message_editor::{MessageEditor, MessageEditorEvent},
  20    slash_command::SlashCommandCompletionProvider,
  21    text_thread_editor::{
  22        AgentPanelDelegate, TextThreadEditor, humanize_token_count, make_lsp_adapter_delegate,
  23        render_remaining_tokens,
  24    },
  25    thread_history::{HistoryEntryElement, ThreadHistory},
  26    ui::AgentOnboardingModal,
  27};
  28use agent::{
  29    Thread, ThreadError, ThreadEvent, ThreadId, ThreadTitle, TokenUsageRatio,
  30    context_store::ContextStore,
  31    history_store::{HistoryEntryId, HistoryStore},
  32    thread_store::{TextThreadStore, ThreadStore},
  33};
  34use agent_settings::{AgentDockPosition, AgentSettings, CompletionMode, DefaultView};
  35use anyhow::{Result, anyhow};
  36use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  37use assistant_slash_command::SlashCommandWorkingSet;
  38use assistant_tool::ToolWorkingSet;
  39use client::{UserStore, zed_urls};
  40use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  41use fs::Fs;
  42use gpui::{
  43    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
  44    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, FontWeight,
  45    KeyContext, Pixels, Subscription, Task, UpdateGlobal, WeakEntity, linear_color_stop,
  46    linear_gradient, prelude::*, pulsating_between,
  47};
  48use language::LanguageRegistry;
  49use language_model::{
  50    ConfigurationError, LanguageModelProviderTosView, LanguageModelRegistry, ZED_CLOUD_PROVIDER_ID,
  51};
  52use project::{Project, ProjectPath, Worktree};
  53use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  54use proto::Plan;
  55use rules_library::{RulesLibrary, open_rules_library};
  56use search::{BufferSearchBar, buffer_search};
  57use settings::{Settings, update_settings_file};
  58use theme::ThemeSettings;
  59use time::UtcOffset;
  60use ui::utils::WithRemSize;
  61use ui::{
  62    Banner, CheckboxWithLabel, ContextMenu, ElevationIndex, KeyBinding, PopoverMenu,
  63    PopoverMenuHandle, ProgressBar, Tab, Tooltip, Vector, VectorName, prelude::*,
  64};
  65use util::ResultExt as _;
  66use workspace::{
  67    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  68    dock::{DockPosition, Panel, PanelEvent},
  69};
  70use zed_actions::{
  71    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  72    agent::{OpenConfiguration, OpenOnboardingModal, ResetOnboarding},
  73    assistant::{OpenRulesLibrary, ToggleFocus},
  74};
  75use zed_llm_client::UsageLimit;
  76
  77const AGENT_PANEL_KEY: &str = "agent_panel";
  78
  79#[derive(Serialize, Deserialize)]
  80struct SerializedAgentPanel {
  81    width: Option<Pixels>,
  82}
  83
  84pub fn init(cx: &mut App) {
  85    cx.observe_new(
  86        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  87            workspace
  88                .register_action(|workspace, action: &NewThread, window, cx| {
  89                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  90                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
  91                        workspace.focus_panel::<AgentPanel>(window, cx);
  92                    }
  93                })
  94                .register_action(|workspace, _: &OpenHistory, window, cx| {
  95                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  96                        workspace.focus_panel::<AgentPanel>(window, cx);
  97                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
  98                    }
  99                })
 100                .register_action(|workspace, _: &OpenConfiguration, 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_configuration(window, cx));
 104                    }
 105                })
 106                .register_action(|workspace, _: &NewTextThread, 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.new_prompt_editor(window, cx));
 110                    }
 111                })
 112                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 113                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 114                        workspace.focus_panel::<AgentPanel>(window, cx);
 115                        panel.update(cx, |panel, cx| {
 116                            panel.deploy_rules_library(action, window, cx)
 117                        });
 118                    }
 119                })
 120                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 121                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 122                        workspace.focus_panel::<AgentPanel>(window, cx);
 123                        match &panel.read(cx).active_view {
 124                            ActiveView::Thread { thread, .. } => {
 125                                let thread = thread.read(cx).thread().clone();
 126                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 127                            }
 128                            ActiveView::TextThread { .. }
 129                            | ActiveView::History
 130                            | ActiveView::Configuration => {}
 131                        }
 132                    }
 133                })
 134                .register_action(|workspace, _: &Follow, window, cx| {
 135                    workspace.follow(CollaboratorId::Agent, window, cx);
 136                })
 137                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 138                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 139                        return;
 140                    };
 141                    workspace.focus_panel::<AgentPanel>(window, cx);
 142                    panel.update(cx, |panel, cx| {
 143                        if let Some(message_editor) = panel.active_message_editor() {
 144                            message_editor.update(cx, |editor, cx| {
 145                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 146                            });
 147                        }
 148                    });
 149                })
 150                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 151                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 152                        workspace.focus_panel::<AgentPanel>(window, cx);
 153                        panel.update(cx, |panel, cx| {
 154                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 155                        });
 156                    }
 157                })
 158                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 159                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 160                        workspace.focus_panel::<AgentPanel>(window, cx);
 161                        panel.update(cx, |panel, cx| {
 162                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 163                        });
 164                    }
 165                })
 166                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 167                    AgentOnboardingModal::toggle(workspace, window, cx)
 168                })
 169                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 170                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 171                    window.refresh();
 172                })
 173                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 174                    Upsell::set_dismissed(false, cx);
 175                })
 176                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 177                    TrialEndUpsell::set_dismissed(false, cx);
 178                });
 179        },
 180    )
 181    .detach();
 182}
 183
 184enum ActiveView {
 185    Thread {
 186        thread: Entity<ActiveThread>,
 187        change_title_editor: Entity<Editor>,
 188        message_editor: Entity<MessageEditor>,
 189        _subscriptions: Vec<gpui::Subscription>,
 190    },
 191    TextThread {
 192        context_editor: Entity<TextThreadEditor>,
 193        title_editor: Entity<Editor>,
 194        buffer_search_bar: Entity<BufferSearchBar>,
 195        _subscriptions: Vec<gpui::Subscription>,
 196    },
 197    History,
 198    Configuration,
 199}
 200
 201enum WhichFontSize {
 202    AgentFont,
 203    BufferFont,
 204    None,
 205}
 206
 207impl ActiveView {
 208    pub fn which_font_size_used(&self) -> WhichFontSize {
 209        match self {
 210            ActiveView::Thread { .. } | ActiveView::History => WhichFontSize::AgentFont,
 211            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 212            ActiveView::Configuration => WhichFontSize::None,
 213        }
 214    }
 215
 216    pub fn thread(
 217        active_thread: Entity<ActiveThread>,
 218        message_editor: Entity<MessageEditor>,
 219        window: &mut Window,
 220        cx: &mut Context<AgentPanel>,
 221    ) -> Self {
 222        let summary = active_thread.read(cx).summary(cx).or_default();
 223
 224        let editor = cx.new(|cx| {
 225            let mut editor = Editor::single_line(window, cx);
 226            editor.set_text(summary.clone(), window, cx);
 227            editor
 228        });
 229
 230        let subscriptions = vec![
 231            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 232                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 233                    cx.notify();
 234                }
 235                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 236                    ActiveView::Thread { thread, .. } => {
 237                        thread.update(cx, |thread, cx| {
 238                            thread.scroll_to_bottom(cx);
 239                        });
 240                    }
 241                    ActiveView::TextThread { .. }
 242                    | ActiveView::History
 243                    | ActiveView::Configuration => {}
 244                },
 245            }),
 246            window.subscribe(&editor, cx, {
 247                {
 248                    let thread = active_thread.clone();
 249                    move |editor, event, window, cx| match event {
 250                        EditorEvent::BufferEdited => {
 251                            let new_summary = editor.read(cx).text(cx);
 252
 253                            thread.update(cx, |thread, cx| {
 254                                thread.thread().update(cx, |thread, cx| {
 255                                    thread.set_title(new_summary, cx);
 256                                });
 257                            })
 258                        }
 259                        EditorEvent::Blurred => {
 260                            if editor.read(cx).text(cx).is_empty() {
 261                                let summary = thread.read(cx).summary(cx).or_default();
 262
 263                                editor.update(cx, |editor, cx| {
 264                                    editor.set_text(summary, window, cx);
 265                                });
 266                            }
 267                        }
 268                        _ => {}
 269                    }
 270                }
 271            }),
 272            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 273                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 274                    cx.notify();
 275                }
 276            }),
 277            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 278                let editor = editor.clone();
 279                move |_, thread, event, window, cx| match event {
 280                    ThreadEvent::SummaryGenerated => {
 281                        let summary = thread.read(cx).title().or_default();
 282
 283                        editor.update(cx, |editor, cx| {
 284                            editor.set_text(summary, window, cx);
 285                        })
 286                    }
 287                    ThreadEvent::MessageAdded(_) => {
 288                        cx.notify();
 289                    }
 290                    _ => {}
 291                }
 292            }),
 293        ];
 294
 295        Self::Thread {
 296            change_title_editor: editor,
 297            thread: active_thread,
 298            message_editor: message_editor,
 299            _subscriptions: subscriptions,
 300        }
 301    }
 302
 303    pub fn prompt_editor(
 304        context_editor: Entity<TextThreadEditor>,
 305        history_store: Entity<HistoryStore>,
 306        language_registry: Arc<LanguageRegistry>,
 307        window: &mut Window,
 308        cx: &mut App,
 309    ) -> Self {
 310        let title = context_editor.read(cx).title(cx).to_string();
 311
 312        let editor = cx.new(|cx| {
 313            let mut editor = Editor::single_line(window, cx);
 314            editor.set_text(title, window, cx);
 315            editor
 316        });
 317
 318        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 319        // cause a custom summary to be set. The presence of this custom summary would cause
 320        // summarization to not happen.
 321        let mut suppress_first_edit = true;
 322
 323        let subscriptions = vec![
 324            window.subscribe(&editor, cx, {
 325                {
 326                    let context_editor = context_editor.clone();
 327                    move |editor, event, window, cx| match event {
 328                        EditorEvent::BufferEdited => {
 329                            if suppress_first_edit {
 330                                suppress_first_edit = false;
 331                                return;
 332                            }
 333                            let new_summary = editor.read(cx).text(cx);
 334
 335                            context_editor.update(cx, |context_editor, cx| {
 336                                context_editor
 337                                    .context()
 338                                    .update(cx, |assistant_context, cx| {
 339                                        assistant_context.set_custom_summary(new_summary, cx);
 340                                    })
 341                            })
 342                        }
 343                        EditorEvent::Blurred => {
 344                            if editor.read(cx).text(cx).is_empty() {
 345                                let summary = context_editor
 346                                    .read(cx)
 347                                    .context()
 348                                    .read(cx)
 349                                    .summary()
 350                                    .or_default();
 351
 352                                editor.update(cx, |editor, cx| {
 353                                    editor.set_text(summary, window, cx);
 354                                });
 355                            }
 356                        }
 357                        _ => {}
 358                    }
 359                }
 360            }),
 361            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 362                let editor = editor.clone();
 363                move |assistant_context, event, window, cx| match event {
 364                    ContextEvent::SummaryGenerated => {
 365                        let summary = assistant_context.read(cx).summary().or_default();
 366
 367                        editor.update(cx, |editor, cx| {
 368                            editor.set_text(summary, window, cx);
 369                        })
 370                    }
 371                    ContextEvent::PathChanged { old_path, new_path } => {
 372                        history_store.update(cx, |history_store, cx| {
 373                            if let Some(old_path) = old_path {
 374                                history_store
 375                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 376                            } else {
 377                                history_store.push_recently_opened_entry(
 378                                    HistoryEntryId::Context(new_path.clone()),
 379                                    cx,
 380                                );
 381                            }
 382                        });
 383                    }
 384                    _ => {}
 385                }
 386            }),
 387        ];
 388
 389        let buffer_search_bar =
 390            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 391        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 392            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 393        });
 394
 395        Self::TextThread {
 396            context_editor,
 397            title_editor: editor,
 398            buffer_search_bar,
 399            _subscriptions: subscriptions,
 400        }
 401    }
 402}
 403
 404pub struct AgentPanel {
 405    workspace: WeakEntity<Workspace>,
 406    user_store: Entity<UserStore>,
 407    project: Entity<Project>,
 408    fs: Arc<dyn Fs>,
 409    language_registry: Arc<LanguageRegistry>,
 410    thread_store: Entity<ThreadStore>,
 411    _default_model_subscription: Subscription,
 412    context_store: Entity<TextThreadStore>,
 413    prompt_store: Option<Entity<PromptStore>>,
 414    inline_assist_context_store: Entity<ContextStore>,
 415    configuration: Option<Entity<AgentConfiguration>>,
 416    configuration_subscription: Option<Subscription>,
 417    local_timezone: UtcOffset,
 418    active_view: ActiveView,
 419    previous_view: Option<ActiveView>,
 420    history_store: Entity<HistoryStore>,
 421    history: Entity<ThreadHistory>,
 422    hovered_recent_history_item: Option<usize>,
 423    assistant_dropdown_menu_handle: PopoverMenuHandle<ContextMenu>,
 424    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 425    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 426    width: Option<Pixels>,
 427    height: Option<Pixels>,
 428    zoomed: bool,
 429    pending_serialization: Option<Task<Result<()>>>,
 430    hide_upsell: bool,
 431}
 432
 433impl AgentPanel {
 434    fn serialize(&mut self, cx: &mut Context<Self>) {
 435        let width = self.width;
 436        self.pending_serialization = Some(cx.background_spawn(async move {
 437            KEY_VALUE_STORE
 438                .write_kvp(
 439                    AGENT_PANEL_KEY.into(),
 440                    serde_json::to_string(&SerializedAgentPanel { width })?,
 441                )
 442                .await?;
 443            anyhow::Ok(())
 444        }));
 445    }
 446    pub fn load(
 447        workspace: WeakEntity<Workspace>,
 448        prompt_builder: Arc<PromptBuilder>,
 449        mut cx: AsyncWindowContext,
 450    ) -> Task<Result<Entity<Self>>> {
 451        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 452        cx.spawn(async move |cx| {
 453            let prompt_store = match prompt_store {
 454                Ok(prompt_store) => prompt_store.await.ok(),
 455                Err(_) => None,
 456            };
 457            let tools = cx.new(|_| ToolWorkingSet::default())?;
 458            let thread_store = workspace
 459                .update(cx, |workspace, cx| {
 460                    let project = workspace.project().clone();
 461                    ThreadStore::load(
 462                        project,
 463                        tools.clone(),
 464                        prompt_store.clone(),
 465                        prompt_builder.clone(),
 466                        cx,
 467                    )
 468                })?
 469                .await?;
 470
 471            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 472            let context_store = workspace
 473                .update(cx, |workspace, cx| {
 474                    let project = workspace.project().clone();
 475                    assistant_context::ContextStore::new(
 476                        project,
 477                        prompt_builder.clone(),
 478                        slash_commands,
 479                        cx,
 480                    )
 481                })?
 482                .await?;
 483
 484            let serialized_panel = if let Some(panel) = cx
 485                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 486                .await
 487                .log_err()
 488                .flatten()
 489            {
 490                Some(serde_json::from_str::<SerializedAgentPanel>(&panel)?)
 491            } else {
 492                None
 493            };
 494
 495            let thread = thread_store
 496                .update(cx, |this, cx| this.create_thread(cx))?
 497                .await?;
 498
 499            let panel = workspace.update_in(cx, |workspace, window, cx| {
 500                let panel = cx.new(|cx| {
 501                    Self::new(
 502                        workspace,
 503                        thread,
 504                        thread_store,
 505                        context_store,
 506                        prompt_store,
 507                        window,
 508                        cx,
 509                    )
 510                });
 511                if let Some(serialized_panel) = serialized_panel {
 512                    panel.update(cx, |panel, cx| {
 513                        panel.width = serialized_panel.width.map(|w| w.round());
 514                        cx.notify();
 515                    });
 516                }
 517                panel
 518            })?;
 519
 520            Ok(panel)
 521        })
 522    }
 523
 524    fn new(
 525        workspace: &Workspace,
 526        thread: Entity<Thread>,
 527        thread_store: Entity<ThreadStore>,
 528        context_store: Entity<TextThreadStore>,
 529        prompt_store: Option<Entity<PromptStore>>,
 530        window: &mut Window,
 531        cx: &mut Context<Self>,
 532    ) -> Self {
 533        let fs = workspace.app_state().fs.clone();
 534        let user_store = workspace.app_state().user_store.clone();
 535        let project = workspace.project();
 536        let language_registry = project.read(cx).languages().clone();
 537        let workspace = workspace.weak_handle();
 538        let weak_self = cx.entity().downgrade();
 539
 540        let message_editor_context_store =
 541            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 542        let inline_assist_context_store =
 543            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 544
 545        let message_editor = cx.new(|cx| {
 546            MessageEditor::new(
 547                fs.clone(),
 548                workspace.clone(),
 549                user_store.clone(),
 550                message_editor_context_store.clone(),
 551                prompt_store.clone(),
 552                thread_store.downgrade(),
 553                context_store.downgrade(),
 554                thread.clone(),
 555                window,
 556                cx,
 557            )
 558        });
 559
 560        let thread_id = thread.read(cx).id().clone();
 561        let history_store = cx.new(|cx| {
 562            HistoryStore::new(
 563                thread_store.clone(),
 564                context_store.clone(),
 565                [HistoryEntryId::Thread(thread_id)],
 566                cx,
 567            )
 568        });
 569
 570        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 571
 572        let active_thread = cx.new(|cx| {
 573            ActiveThread::new(
 574                thread.clone(),
 575                thread_store.clone(),
 576                context_store.clone(),
 577                message_editor_context_store.clone(),
 578                language_registry.clone(),
 579                workspace.clone(),
 580                window,
 581                cx,
 582            )
 583        });
 584
 585        let panel_type = AgentSettings::get_global(cx).default_view;
 586        let active_view = match panel_type {
 587            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 588            DefaultView::TextThread => {
 589                let context =
 590                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 591                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 592                let context_editor = cx.new(|cx| {
 593                    let mut editor = TextThreadEditor::for_context(
 594                        context,
 595                        fs.clone(),
 596                        workspace.clone(),
 597                        project.clone(),
 598                        lsp_adapter_delegate,
 599                        window,
 600                        cx,
 601                    );
 602                    editor.insert_default_prompt(window, cx);
 603                    editor
 604                });
 605                ActiveView::prompt_editor(
 606                    context_editor,
 607                    history_store.clone(),
 608                    language_registry.clone(),
 609                    window,
 610                    cx,
 611                )
 612            }
 613        };
 614
 615        AgentDiff::set_active_thread(&workspace, &thread, window, cx);
 616
 617        let weak_panel = weak_self.clone();
 618
 619        window.defer(cx, move |window, cx| {
 620            let panel = weak_panel.clone();
 621            let assistant_navigation_menu =
 622                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 623                    if let Some(panel) = panel.upgrade() {
 624                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 625                    }
 626                    menu.action("View All", Box::new(OpenHistory))
 627                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 628                        .fixed_width(px(320.).into())
 629                        .keep_open_on_confirm(false)
 630                        .key_context("NavigationMenu")
 631                });
 632            weak_panel
 633                .update(cx, |panel, cx| {
 634                    cx.subscribe_in(
 635                        &assistant_navigation_menu,
 636                        window,
 637                        |_, menu, _: &DismissEvent, window, cx| {
 638                            menu.update(cx, |menu, _| {
 639                                menu.clear_selected();
 640                            });
 641                            cx.focus_self(window);
 642                        },
 643                    )
 644                    .detach();
 645                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 646                })
 647                .ok();
 648        });
 649
 650        let _default_model_subscription = cx.subscribe(
 651            &LanguageModelRegistry::global(cx),
 652            |this, _, event: &language_model::Event, cx| match event {
 653                language_model::Event::DefaultModelChanged => match &this.active_view {
 654                    ActiveView::Thread { thread, .. } => {
 655                        // todo!(do we need this?);
 656                        // thread
 657                        //     .read(cx)
 658                        //     .thread()
 659                        //     .clone()
 660                        //     .update(cx, |thread, cx| thread.get_or_init_configured_model(cx));
 661                    }
 662                    ActiveView::TextThread { .. }
 663                    | ActiveView::History
 664                    | ActiveView::Configuration => {}
 665                },
 666                _ => {}
 667            },
 668        );
 669
 670        Self {
 671            active_view,
 672            workspace,
 673            user_store,
 674            project: project.clone(),
 675            fs: fs.clone(),
 676            language_registry,
 677            thread_store: thread_store.clone(),
 678            _default_model_subscription,
 679            context_store,
 680            prompt_store,
 681            configuration: None,
 682            configuration_subscription: None,
 683            local_timezone: UtcOffset::from_whole_seconds(
 684                chrono::Local::now().offset().local_minus_utc(),
 685            )
 686            .unwrap(),
 687            inline_assist_context_store,
 688            previous_view: None,
 689            history_store: history_store.clone(),
 690            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 691            hovered_recent_history_item: None,
 692            assistant_dropdown_menu_handle: PopoverMenuHandle::default(),
 693            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 694            assistant_navigation_menu: None,
 695            width: None,
 696            height: None,
 697            zoomed: false,
 698            pending_serialization: None,
 699            hide_upsell: false,
 700        }
 701    }
 702
 703    pub fn toggle_focus(
 704        workspace: &mut Workspace,
 705        _: &ToggleFocus,
 706        window: &mut Window,
 707        cx: &mut Context<Workspace>,
 708    ) {
 709        if workspace
 710            .panel::<Self>(cx)
 711            .is_some_and(|panel| panel.read(cx).enabled(cx))
 712        {
 713            workspace.toggle_panel_focus::<Self>(window, cx);
 714        }
 715    }
 716
 717    pub(crate) fn local_timezone(&self) -> UtcOffset {
 718        self.local_timezone
 719    }
 720
 721    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 722        &self.prompt_store
 723    }
 724
 725    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 726        &self.inline_assist_context_store
 727    }
 728
 729    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 730        &self.thread_store
 731    }
 732
 733    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 734        &self.context_store
 735    }
 736
 737    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 738        match &self.active_view {
 739            ActiveView::Thread { thread, .. } => {
 740                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 741            }
 742            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
 743        }
 744    }
 745
 746    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 747        match &self.active_view {
 748            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 749            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
 750        }
 751    }
 752
 753    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 754        // Preserve chat box text when using creating new thread from summary'
 755        let preserved_text = if action.from_thread_id.is_some() {
 756            self.active_message_editor()
 757                .map(|editor| editor.read(cx).get_text(cx).trim().to_string())
 758        } else {
 759            None
 760        };
 761
 762        let thread = self
 763            .thread_store
 764            .update(cx, |this, cx| this.create_thread(cx));
 765
 766        let context_store = cx.new(|_cx| {
 767            ContextStore::new(
 768                self.project.downgrade(),
 769                Some(self.thread_store.downgrade()),
 770            )
 771        });
 772
 773        if let Some(other_thread_id) = action.from_thread_id.clone() {
 774            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 775                this.open_thread(&other_thread_id, window, cx)
 776            });
 777
 778            cx.spawn({
 779                let context_store = context_store.clone();
 780
 781                async move |_panel, cx| {
 782                    let other_thread = other_thread_task.await?;
 783
 784                    context_store.update(cx, |this, cx| {
 785                        this.add_thread(other_thread, false, cx);
 786                    })?;
 787                    anyhow::Ok(())
 788                }
 789            })
 790            .detach_and_log_err(cx);
 791        }
 792
 793        let fs = self.fs.clone();
 794        let user_store = self.user_store.clone();
 795        let thread_store = self.thread_store.clone();
 796        let text_thread_store = self.context_store.clone();
 797        let prompt_store = self.prompt_store.clone();
 798        let language_registry = self.language_registry.clone();
 799        let workspace = self.workspace.clone();
 800
 801        cx.spawn_in(window, async move |this, cx| {
 802            let thread = thread.await?;
 803            let active_thread = cx.new_window_entity(|window, cx| {
 804                ActiveThread::new(
 805                    thread.clone(),
 806                    thread_store.clone(),
 807                    text_thread_store.clone(),
 808                    context_store.clone(),
 809                    language_registry.clone(),
 810                    workspace.clone(),
 811                    window,
 812                    cx,
 813                )
 814            })?;
 815
 816            let message_editor = cx.new_window_entity(|window, cx| {
 817                MessageEditor::new(
 818                    fs.clone(),
 819                    workspace.clone(),
 820                    user_store.clone(),
 821                    context_store.clone(),
 822                    prompt_store.clone(),
 823                    thread_store.downgrade(),
 824                    text_thread_store.downgrade(),
 825                    thread.clone(),
 826                    window,
 827                    cx,
 828                )
 829            })?;
 830
 831            if let Some(text) = preserved_text {
 832                message_editor.update_in(cx, |editor, window, cx| {
 833                    editor.set_text(text, window, cx);
 834                });
 835            }
 836
 837            this.update_in(cx, |this, window, cx| {
 838                message_editor.focus_handle(cx).focus(window);
 839
 840                let thread_view =
 841                    ActiveView::thread(active_thread.clone(), message_editor, window, cx);
 842                this.set_active_view(thread_view, window, cx);
 843
 844                AgentDiff::set_active_thread(&this.workspace, &thread, window, cx);
 845            })
 846        })
 847        .detach_and_log_err(cx);
 848    }
 849
 850    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 851        let context = self
 852            .context_store
 853            .update(cx, |context_store, cx| context_store.create(cx));
 854        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 855            .log_err()
 856            .flatten();
 857
 858        let context_editor = cx.new(|cx| {
 859            let mut editor = TextThreadEditor::for_context(
 860                context,
 861                self.fs.clone(),
 862                self.workspace.clone(),
 863                self.project.clone(),
 864                lsp_adapter_delegate,
 865                window,
 866                cx,
 867            );
 868            editor.insert_default_prompt(window, cx);
 869            editor
 870        });
 871
 872        self.set_active_view(
 873            ActiveView::prompt_editor(
 874                context_editor.clone(),
 875                self.history_store.clone(),
 876                self.language_registry.clone(),
 877                window,
 878                cx,
 879            ),
 880            window,
 881            cx,
 882        );
 883        context_editor.focus_handle(cx).focus(window);
 884    }
 885
 886    fn deploy_rules_library(
 887        &mut self,
 888        action: &OpenRulesLibrary,
 889        _window: &mut Window,
 890        cx: &mut Context<Self>,
 891    ) {
 892        open_rules_library(
 893            self.language_registry.clone(),
 894            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
 895            Rc::new(|| {
 896                Rc::new(SlashCommandCompletionProvider::new(
 897                    Arc::new(SlashCommandWorkingSet::default()),
 898                    None,
 899                    None,
 900                ))
 901            }),
 902            action
 903                .prompt_to_select
 904                .map(|uuid| UserPromptId(uuid).into()),
 905            cx,
 906        )
 907        .detach_and_log_err(cx);
 908    }
 909
 910    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 911        if matches!(self.active_view, ActiveView::History) {
 912            if let Some(previous_view) = self.previous_view.take() {
 913                self.set_active_view(previous_view, window, cx);
 914            }
 915        } else {
 916            self.thread_store
 917                .update(cx, |thread_store, cx| thread_store.reload(cx))
 918                .detach_and_log_err(cx);
 919            self.set_active_view(ActiveView::History, window, cx);
 920        }
 921        cx.notify();
 922    }
 923
 924    pub(crate) fn open_saved_prompt_editor(
 925        &mut self,
 926        path: Arc<Path>,
 927        window: &mut Window,
 928        cx: &mut Context<Self>,
 929    ) -> Task<Result<()>> {
 930        let context = self
 931            .context_store
 932            .update(cx, |store, cx| store.open_local_context(path, cx));
 933        cx.spawn_in(window, async move |this, cx| {
 934            let context = context.await?;
 935            this.update_in(cx, |this, window, cx| {
 936                this.open_prompt_editor(context, window, cx);
 937            })
 938        })
 939    }
 940
 941    pub(crate) fn open_prompt_editor(
 942        &mut self,
 943        context: Entity<AssistantContext>,
 944        window: &mut Window,
 945        cx: &mut Context<Self>,
 946    ) {
 947        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
 948            .log_err()
 949            .flatten();
 950        let editor = cx.new(|cx| {
 951            TextThreadEditor::for_context(
 952                context,
 953                self.fs.clone(),
 954                self.workspace.clone(),
 955                self.project.clone(),
 956                lsp_adapter_delegate,
 957                window,
 958                cx,
 959            )
 960        });
 961        self.set_active_view(
 962            ActiveView::prompt_editor(
 963                editor.clone(),
 964                self.history_store.clone(),
 965                self.language_registry.clone(),
 966                window,
 967                cx,
 968            ),
 969            window,
 970            cx,
 971        );
 972    }
 973
 974    pub(crate) fn open_thread_by_id(
 975        &mut self,
 976        thread_id: &ThreadId,
 977        window: &mut Window,
 978        cx: &mut Context<Self>,
 979    ) -> Task<Result<()>> {
 980        let open_thread_task = self
 981            .thread_store
 982            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
 983        cx.spawn_in(window, async move |this, cx| {
 984            let thread = open_thread_task.await?;
 985            this.update_in(cx, |this, window, cx| {
 986                this.open_thread(thread, window, cx);
 987                anyhow::Ok(())
 988            })??;
 989            Ok(())
 990        })
 991    }
 992
 993    pub(crate) fn open_thread(
 994        &mut self,
 995        thread: Entity<Thread>,
 996        window: &mut Window,
 997        cx: &mut Context<Self>,
 998    ) {
 999        let context_store = cx.new(|_cx| {
1000            ContextStore::new(
1001                self.project.downgrade(),
1002                Some(self.thread_store.downgrade()),
1003            )
1004        });
1005
1006        let active_thread = cx.new(|cx| {
1007            ActiveThread::new(
1008                thread.clone(),
1009                self.thread_store.clone(),
1010                self.context_store.clone(),
1011                context_store.clone(),
1012                self.language_registry.clone(),
1013                self.workspace.clone(),
1014                window,
1015                cx,
1016            )
1017        });
1018        let message_editor = cx.new(|cx| {
1019            MessageEditor::new(
1020                self.fs.clone(),
1021                self.workspace.clone(),
1022                self.user_store.clone(),
1023                context_store,
1024                self.prompt_store.clone(),
1025                self.thread_store.downgrade(),
1026                self.context_store.downgrade(),
1027                thread.clone(),
1028                window,
1029                cx,
1030            )
1031        });
1032        message_editor.focus_handle(cx).focus(window);
1033
1034        let thread_view = ActiveView::thread(active_thread.clone(), message_editor, window, cx);
1035        self.set_active_view(thread_view, window, cx);
1036        AgentDiff::set_active_thread(&self.workspace, &thread, window, cx);
1037    }
1038
1039    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1040        match self.active_view {
1041            ActiveView::Configuration | ActiveView::History => {
1042                if let Some(previous_view) = self.previous_view.take() {
1043                    self.active_view = previous_view;
1044
1045                    match &self.active_view {
1046                        ActiveView::Thread { message_editor, .. } => {
1047                            message_editor.focus_handle(cx).focus(window);
1048                        }
1049                        ActiveView::TextThread { context_editor, .. } => {
1050                            context_editor.focus_handle(cx).focus(window);
1051                        }
1052                        ActiveView::History | ActiveView::Configuration => {}
1053                    }
1054                }
1055                cx.notify();
1056            }
1057            _ => {}
1058        }
1059    }
1060
1061    pub fn toggle_navigation_menu(
1062        &mut self,
1063        _: &ToggleNavigationMenu,
1064        window: &mut Window,
1065        cx: &mut Context<Self>,
1066    ) {
1067        self.assistant_navigation_menu_handle.toggle(window, cx);
1068    }
1069
1070    pub fn toggle_options_menu(
1071        &mut self,
1072        _: &ToggleOptionsMenu,
1073        window: &mut Window,
1074        cx: &mut Context<Self>,
1075    ) {
1076        self.assistant_dropdown_menu_handle.toggle(window, cx);
1077    }
1078
1079    pub fn increase_font_size(
1080        &mut self,
1081        action: &IncreaseBufferFontSize,
1082        _: &mut Window,
1083        cx: &mut Context<Self>,
1084    ) {
1085        self.handle_font_size_action(action.persist, px(1.0), cx);
1086    }
1087
1088    pub fn decrease_font_size(
1089        &mut self,
1090        action: &DecreaseBufferFontSize,
1091        _: &mut Window,
1092        cx: &mut Context<Self>,
1093    ) {
1094        self.handle_font_size_action(action.persist, px(-1.0), cx);
1095    }
1096
1097    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1098        match self.active_view.which_font_size_used() {
1099            WhichFontSize::AgentFont => {
1100                if persist {
1101                    update_settings_file::<ThemeSettings>(
1102                        self.fs.clone(),
1103                        cx,
1104                        move |settings, cx| {
1105                            let agent_font_size =
1106                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1107                            let _ = settings
1108                                .agent_font_size
1109                                .insert(theme::clamp_font_size(agent_font_size).0);
1110                        },
1111                    );
1112                } else {
1113                    theme::adjust_agent_font_size(cx, |size| {
1114                        *size += delta;
1115                    });
1116                }
1117            }
1118            WhichFontSize::BufferFont => {
1119                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1120                // default handler that changes that font size.
1121                cx.propagate();
1122            }
1123            WhichFontSize::None => {}
1124        }
1125    }
1126
1127    pub fn reset_font_size(
1128        &mut self,
1129        action: &ResetBufferFontSize,
1130        _: &mut Window,
1131        cx: &mut Context<Self>,
1132    ) {
1133        if action.persist {
1134            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1135                settings.agent_font_size = None;
1136            });
1137        } else {
1138            theme::reset_agent_font_size(cx);
1139        }
1140    }
1141
1142    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1143        if self.zoomed {
1144            cx.emit(PanelEvent::ZoomOut);
1145        } else {
1146            if !self.focus_handle(cx).contains_focused(window, cx) {
1147                cx.focus_self(window);
1148            }
1149            cx.emit(PanelEvent::ZoomIn);
1150        }
1151    }
1152
1153    pub fn open_agent_diff(
1154        &mut self,
1155        _: &OpenAgentDiff,
1156        window: &mut Window,
1157        cx: &mut Context<Self>,
1158    ) {
1159        match &self.active_view {
1160            ActiveView::Thread { thread, .. } => {
1161                let thread = thread.read(cx).thread().clone();
1162                self.workspace
1163                    .update(cx, |workspace, cx| {
1164                        AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx)
1165                    })
1166                    .log_err();
1167            }
1168            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1169        }
1170    }
1171
1172    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1173        let context_server_store = self.project.read(cx).context_server_store();
1174        let tools = self.thread_store.read(cx).tools();
1175        let fs = self.fs.clone();
1176
1177        self.set_active_view(ActiveView::Configuration, window, cx);
1178        self.configuration = Some(cx.new(|cx| {
1179            AgentConfiguration::new(
1180                fs,
1181                context_server_store,
1182                tools,
1183                self.language_registry.clone(),
1184                self.workspace.clone(),
1185                window,
1186                cx,
1187            )
1188        }));
1189
1190        if let Some(configuration) = self.configuration.as_ref() {
1191            self.configuration_subscription = Some(cx.subscribe_in(
1192                configuration,
1193                window,
1194                Self::handle_agent_configuration_event,
1195            ));
1196
1197            configuration.focus_handle(cx).focus(window);
1198        }
1199    }
1200
1201    pub(crate) fn open_active_thread_as_markdown(
1202        &mut self,
1203        _: &OpenActiveThreadAsMarkdown,
1204        window: &mut Window,
1205        cx: &mut Context<Self>,
1206    ) {
1207        let Some(workspace) = self.workspace.upgrade() else {
1208            return;
1209        };
1210
1211        match &self.active_view {
1212            ActiveView::Thread { thread, .. } => {
1213                active_thread::open_active_thread_as_markdown(
1214                    thread.read(cx).thread().clone(),
1215                    workspace,
1216                    window,
1217                    cx,
1218                )
1219                .detach_and_log_err(cx);
1220            }
1221            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1222        }
1223    }
1224
1225    fn handle_agent_configuration_event(
1226        &mut self,
1227        _entity: &Entity<AgentConfiguration>,
1228        event: &AssistantConfigurationEvent,
1229        window: &mut Window,
1230        cx: &mut Context<Self>,
1231    ) {
1232        match event {
1233            AssistantConfigurationEvent::NewThread(provider) => {
1234                if LanguageModelRegistry::read_global(cx)
1235                    .default_model()
1236                    .map_or(true, |model| model.provider.id() != provider.id())
1237                {
1238                    if let Some(model) = provider.default_model(cx) {
1239                        update_settings_file::<AgentSettings>(
1240                            self.fs.clone(),
1241                            cx,
1242                            move |settings, _| settings.set_model(model),
1243                        );
1244                    }
1245                }
1246
1247                self.new_thread(&NewThread::default(), window, cx);
1248            }
1249        }
1250    }
1251
1252    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1253        match &self.active_view {
1254            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1255            _ => None,
1256        }
1257    }
1258
1259    pub(crate) fn delete_thread(
1260        &mut self,
1261        thread_id: &ThreadId,
1262        cx: &mut Context<Self>,
1263    ) -> Task<Result<()>> {
1264        self.thread_store
1265            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1266    }
1267
1268    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1269        let ActiveView::Thread { thread, .. } = &self.active_view else {
1270            return;
1271        };
1272
1273        let thread_state = thread.read(cx).thread().read(cx);
1274        if !thread_state.tool_use_limit_reached() {
1275            return;
1276        }
1277
1278        thread.update(cx, |active_thread, cx| {
1279            active_thread
1280                .thread()
1281                .update(cx, |thread, cx| thread.resume(window, cx))
1282        });
1283    }
1284
1285    fn toggle_burn_mode(
1286        &mut self,
1287        _: &ToggleBurnMode,
1288        _window: &mut Window,
1289        cx: &mut Context<Self>,
1290    ) {
1291        let ActiveView::Thread { thread, .. } = &self.active_view else {
1292            return;
1293        };
1294
1295        thread.update(cx, |active_thread, cx| {
1296            active_thread.thread().update(cx, |thread, _cx| {
1297                let current_mode = thread.completion_mode();
1298
1299                thread.set_completion_mode(match current_mode {
1300                    CompletionMode::Burn => CompletionMode::Normal,
1301                    CompletionMode::Normal => CompletionMode::Burn,
1302                });
1303            });
1304        });
1305    }
1306
1307    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1308        match &self.active_view {
1309            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1310            _ => None,
1311        }
1312    }
1313
1314    pub(crate) fn delete_context(
1315        &mut self,
1316        path: Arc<Path>,
1317        cx: &mut Context<Self>,
1318    ) -> Task<Result<()>> {
1319        self.context_store
1320            .update(cx, |this, cx| this.delete_local_context(path, cx))
1321    }
1322
1323    fn set_active_view(
1324        &mut self,
1325        new_view: ActiveView,
1326        window: &mut Window,
1327        cx: &mut Context<Self>,
1328    ) {
1329        let current_is_history = matches!(self.active_view, ActiveView::History);
1330        let new_is_history = matches!(new_view, ActiveView::History);
1331
1332        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1333        let new_is_config = matches!(new_view, ActiveView::Configuration);
1334
1335        let current_is_special = current_is_history || current_is_config;
1336        let new_is_special = new_is_history || new_is_config;
1337
1338        match &self.active_view {
1339            ActiveView::Thread { thread, .. } => {
1340                let thread = thread.read(cx);
1341                if thread.is_empty() {
1342                    let id = thread.thread().read(cx).id().clone();
1343                    self.history_store.update(cx, |store, cx| {
1344                        store.remove_recently_opened_thread(id, cx);
1345                    });
1346                }
1347            }
1348            _ => {}
1349        }
1350
1351        match &new_view {
1352            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1353                let id = thread.read(cx).thread().read(cx).id().clone();
1354                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1355            }),
1356            ActiveView::TextThread { context_editor, .. } => {
1357                self.history_store.update(cx, |store, cx| {
1358                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1359                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1360                    }
1361                })
1362            }
1363            _ => {}
1364        }
1365
1366        if current_is_special && !new_is_special {
1367            self.active_view = new_view;
1368        } else if !current_is_special && new_is_special {
1369            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1370        } else {
1371            if !new_is_special {
1372                self.previous_view = None;
1373            }
1374            self.active_view = new_view;
1375        }
1376
1377        self.focus_handle(cx).focus(window);
1378    }
1379
1380    fn populate_recently_opened_menu_section(
1381        mut menu: ContextMenu,
1382        panel: Entity<Self>,
1383        cx: &mut Context<ContextMenu>,
1384    ) -> ContextMenu {
1385        let entries = panel
1386            .read(cx)
1387            .history_store
1388            .read(cx)
1389            .recently_opened_entries(cx);
1390
1391        if entries.is_empty() {
1392            return menu;
1393        }
1394
1395        menu = menu.header("Recently Opened");
1396
1397        for entry in entries {
1398            let title = entry.title().clone();
1399            let id = entry.id();
1400
1401            menu = menu.entry_with_end_slot_on_hover(
1402                title,
1403                None,
1404                {
1405                    let panel = panel.downgrade();
1406                    let id = id.clone();
1407                    move |window, cx| {
1408                        let id = id.clone();
1409                        panel
1410                            .update(cx, move |this, cx| match id {
1411                                HistoryEntryId::Thread(id) => this
1412                                    .open_thread_by_id(&id, window, cx)
1413                                    .detach_and_log_err(cx),
1414                                HistoryEntryId::Context(path) => this
1415                                    .open_saved_prompt_editor(path.clone(), window, cx)
1416                                    .detach_and_log_err(cx),
1417                            })
1418                            .ok();
1419                    }
1420                },
1421                IconName::Close,
1422                "Close Entry".into(),
1423                {
1424                    let panel = panel.downgrade();
1425                    let id = id.clone();
1426                    move |_window, cx| {
1427                        panel
1428                            .update(cx, |this, cx| {
1429                                this.history_store.update(cx, |history_store, cx| {
1430                                    history_store.remove_recently_opened_entry(&id, cx);
1431                                });
1432                            })
1433                            .ok();
1434                    }
1435                },
1436            );
1437        }
1438
1439        menu = menu.separator();
1440
1441        menu
1442    }
1443}
1444
1445impl Focusable for AgentPanel {
1446    fn focus_handle(&self, cx: &App) -> FocusHandle {
1447        match &self.active_view {
1448            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1449            ActiveView::History => self.history.focus_handle(cx),
1450            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1451            ActiveView::Configuration => {
1452                if let Some(configuration) = self.configuration.as_ref() {
1453                    configuration.focus_handle(cx)
1454                } else {
1455                    cx.focus_handle()
1456                }
1457            }
1458        }
1459    }
1460}
1461
1462fn agent_panel_dock_position(cx: &App) -> DockPosition {
1463    match AgentSettings::get_global(cx).dock {
1464        AgentDockPosition::Left => DockPosition::Left,
1465        AgentDockPosition::Bottom => DockPosition::Bottom,
1466        AgentDockPosition::Right => DockPosition::Right,
1467    }
1468}
1469
1470impl EventEmitter<PanelEvent> for AgentPanel {}
1471
1472impl Panel for AgentPanel {
1473    fn persistent_name() -> &'static str {
1474        "AgentPanel"
1475    }
1476
1477    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1478        agent_panel_dock_position(cx)
1479    }
1480
1481    fn position_is_valid(&self, position: DockPosition) -> bool {
1482        position != DockPosition::Bottom
1483    }
1484
1485    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1486        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
1487            let dock = match position {
1488                DockPosition::Left => AgentDockPosition::Left,
1489                DockPosition::Bottom => AgentDockPosition::Bottom,
1490                DockPosition::Right => AgentDockPosition::Right,
1491            };
1492            settings.set_dock(dock);
1493        });
1494    }
1495
1496    fn size(&self, window: &Window, cx: &App) -> Pixels {
1497        let settings = AgentSettings::get_global(cx);
1498        match self.position(window, cx) {
1499            DockPosition::Left | DockPosition::Right => {
1500                self.width.unwrap_or(settings.default_width)
1501            }
1502            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1503        }
1504    }
1505
1506    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1507        match self.position(window, cx) {
1508            DockPosition::Left | DockPosition::Right => self.width = size,
1509            DockPosition::Bottom => self.height = size,
1510        }
1511        self.serialize(cx);
1512        cx.notify();
1513    }
1514
1515    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1516
1517    fn remote_id() -> Option<proto::PanelId> {
1518        Some(proto::PanelId::AssistantPanel)
1519    }
1520
1521    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1522        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1523    }
1524
1525    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1526        Some("Agent Panel")
1527    }
1528
1529    fn toggle_action(&self) -> Box<dyn Action> {
1530        Box::new(ToggleFocus)
1531    }
1532
1533    fn activation_priority(&self) -> u32 {
1534        3
1535    }
1536
1537    fn enabled(&self, cx: &App) -> bool {
1538        AgentSettings::get_global(cx).enabled
1539    }
1540
1541    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1542        self.zoomed
1543    }
1544
1545    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1546        self.zoomed = zoomed;
1547        cx.notify();
1548    }
1549}
1550
1551impl AgentPanel {
1552    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1553        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1554
1555        let content = match &self.active_view {
1556            ActiveView::Thread {
1557                thread: active_thread,
1558                change_title_editor,
1559                ..
1560            } => {
1561                let state = {
1562                    let active_thread = active_thread.read(cx);
1563                    if active_thread.is_empty() {
1564                        &ThreadTitle::Pending
1565                    } else {
1566                        active_thread.summary(cx)
1567                    }
1568                };
1569
1570                match state {
1571                    ThreadTitle::Pending => Label::new(ThreadTitle::DEFAULT.clone())
1572                        .truncate()
1573                        .into_any_element(),
1574                    ThreadTitle::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
1575                        .truncate()
1576                        .into_any_element(),
1577                    ThreadTitle::Ready(_) => div()
1578                        .w_full()
1579                        .child(change_title_editor.clone())
1580                        .into_any_element(),
1581                    ThreadTitle::Error => h_flex()
1582                        .w_full()
1583                        .child(change_title_editor.clone())
1584                        .child(
1585                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1586                                .on_click({
1587                                    let active_thread = active_thread.clone();
1588                                    move |_, _window, cx| {
1589                                        active_thread.update(cx, |thread, cx| {
1590                                            thread.regenerate_summary(cx);
1591                                        });
1592                                    }
1593                                })
1594                                .tooltip(move |_window, cx| {
1595                                    cx.new(|_| {
1596                                        Tooltip::new("Failed to generate title")
1597                                            .meta("Click to try again")
1598                                    })
1599                                    .into()
1600                                }),
1601                        )
1602                        .into_any_element(),
1603                }
1604            }
1605            ActiveView::TextThread {
1606                title_editor,
1607                context_editor,
1608                ..
1609            } => {
1610                let summary = context_editor.read(cx).context().read(cx).summary();
1611
1612                match summary {
1613                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1614                        .truncate()
1615                        .into_any_element(),
1616                    ContextSummary::Content(summary) => {
1617                        if summary.done {
1618                            div()
1619                                .w_full()
1620                                .child(title_editor.clone())
1621                                .into_any_element()
1622                        } else {
1623                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1624                                .truncate()
1625                                .into_any_element()
1626                        }
1627                    }
1628                    ContextSummary::Error => h_flex()
1629                        .w_full()
1630                        .child(title_editor.clone())
1631                        .child(
1632                            ui::IconButton::new("retry-summary-generation", IconName::RotateCcw)
1633                                .on_click({
1634                                    let context_editor = context_editor.clone();
1635                                    move |_, _window, cx| {
1636                                        context_editor.update(cx, |context_editor, cx| {
1637                                            context_editor.regenerate_summary(cx);
1638                                        });
1639                                    }
1640                                })
1641                                .tooltip(move |_window, cx| {
1642                                    cx.new(|_| {
1643                                        Tooltip::new("Failed to generate title")
1644                                            .meta("Click to try again")
1645                                    })
1646                                    .into()
1647                                }),
1648                        )
1649                        .into_any_element(),
1650                }
1651            }
1652            ActiveView::History => Label::new("History").truncate().into_any_element(),
1653            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1654        };
1655
1656        h_flex()
1657            .key_context("TitleEditor")
1658            .id("TitleEditor")
1659            .flex_grow()
1660            .w_full()
1661            .max_w_full()
1662            .overflow_x_scroll()
1663            .child(content)
1664            .into_any()
1665    }
1666
1667    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1668        let user_store = self.user_store.read(cx);
1669        let usage = user_store.model_request_usage();
1670
1671        let account_url = zed_urls::account_url(cx);
1672
1673        let focus_handle = self.focus_handle(cx);
1674
1675        let go_back_button = div().child(
1676            IconButton::new("go-back", IconName::ArrowLeft)
1677                .icon_size(IconSize::Small)
1678                .on_click(cx.listener(|this, _, window, cx| {
1679                    this.go_back(&workspace::GoBack, window, cx);
1680                }))
1681                .tooltip({
1682                    let focus_handle = focus_handle.clone();
1683                    move |window, cx| {
1684                        Tooltip::for_action_in(
1685                            "Go Back",
1686                            &workspace::GoBack,
1687                            &focus_handle,
1688                            window,
1689                            cx,
1690                        )
1691                    }
1692                }),
1693        );
1694
1695        let recent_entries_menu = div().child(
1696            PopoverMenu::new("agent-nav-menu")
1697                .trigger_with_tooltip(
1698                    IconButton::new("agent-nav-menu", IconName::MenuAlt)
1699                        .icon_size(IconSize::Small)
1700                        .style(ui::ButtonStyle::Subtle),
1701                    {
1702                        let focus_handle = focus_handle.clone();
1703                        move |window, cx| {
1704                            Tooltip::for_action_in(
1705                                "Toggle Panel Menu",
1706                                &ToggleNavigationMenu,
1707                                &focus_handle,
1708                                window,
1709                                cx,
1710                            )
1711                        }
1712                    },
1713                )
1714                .anchor(Corner::TopLeft)
1715                .with_handle(self.assistant_navigation_menu_handle.clone())
1716                .menu({
1717                    let menu = self.assistant_navigation_menu.clone();
1718                    move |window, cx| {
1719                        if let Some(menu) = menu.as_ref() {
1720                            menu.update(cx, |_, cx| {
1721                                cx.defer_in(window, |menu, window, cx| {
1722                                    menu.rebuild(window, cx);
1723                                });
1724                            })
1725                        }
1726                        menu.clone()
1727                    }
1728                }),
1729        );
1730
1731        let zoom_in_label = if self.is_zoomed(window, cx) {
1732            "Zoom Out"
1733        } else {
1734            "Zoom In"
1735        };
1736
1737        let active_thread = match &self.active_view {
1738            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1739            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
1740        };
1741
1742        let agent_extra_menu = PopoverMenu::new("agent-options-menu")
1743            .trigger_with_tooltip(
1744                IconButton::new("agent-options-menu", IconName::Ellipsis)
1745                    .icon_size(IconSize::Small),
1746                {
1747                    let focus_handle = focus_handle.clone();
1748                    move |window, cx| {
1749                        Tooltip::for_action_in(
1750                            "Toggle Agent Menu",
1751                            &ToggleOptionsMenu,
1752                            &focus_handle,
1753                            window,
1754                            cx,
1755                        )
1756                    }
1757                },
1758            )
1759            .anchor(Corner::TopRight)
1760            .with_handle(self.assistant_dropdown_menu_handle.clone())
1761            .menu(move |window, cx| {
1762                let active_thread = active_thread.clone();
1763                Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
1764                    menu = menu
1765                        .action("New Thread", NewThread::default().boxed_clone())
1766                        .action("New Text Thread", NewTextThread.boxed_clone())
1767                        .when_some(active_thread, |this, active_thread| {
1768                            let thread = active_thread.read(cx);
1769                            if !thread.is_empty() {
1770                                this.action(
1771                                    "New From Summary",
1772                                    Box::new(NewThread {
1773                                        from_thread_id: Some(thread.id().clone()),
1774                                    }),
1775                                )
1776                            } else {
1777                                this
1778                            }
1779                        })
1780                        .separator();
1781
1782                    menu = menu
1783                        .header("MCP Servers")
1784                        .action(
1785                            "View Server Extensions",
1786                            Box::new(zed_actions::Extensions {
1787                                category_filter: Some(
1788                                    zed_actions::ExtensionCategoryFilter::ContextServers,
1789                                ),
1790                            }),
1791                        )
1792                        .action("Add Custom Server…", Box::new(AddContextServer))
1793                        .separator();
1794
1795                    if let Some(usage) = usage {
1796                        menu = menu
1797                            .header_with_link("Prompt Usage", "Manage", account_url.clone())
1798                            .custom_entry(
1799                                move |_window, cx| {
1800                                    let used_percentage = match usage.limit {
1801                                        UsageLimit::Limited(limit) => {
1802                                            Some((usage.amount as f32 / limit as f32) * 100.)
1803                                        }
1804                                        UsageLimit::Unlimited => None,
1805                                    };
1806
1807                                    h_flex()
1808                                        .flex_1()
1809                                        .gap_1p5()
1810                                        .children(used_percentage.map(|percent| {
1811                                            ProgressBar::new("usage", percent, 100., cx)
1812                                        }))
1813                                        .child(
1814                                            Label::new(match usage.limit {
1815                                                UsageLimit::Limited(limit) => {
1816                                                    format!("{} / {limit}", usage.amount)
1817                                                }
1818                                                UsageLimit::Unlimited => {
1819                                                    format!("{} / ∞", usage.amount)
1820                                                }
1821                                            })
1822                                            .size(LabelSize::Small)
1823                                            .color(Color::Muted),
1824                                        )
1825                                        .into_any_element()
1826                                },
1827                                move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
1828                            )
1829                            .separator()
1830                    }
1831
1832                    menu = menu
1833                        .action("Rules…", Box::new(OpenRulesLibrary::default()))
1834                        .action("Settings", Box::new(OpenConfiguration))
1835                        .action(zoom_in_label, Box::new(ToggleZoom));
1836                    menu
1837                }))
1838            });
1839
1840        h_flex()
1841            .id("assistant-toolbar")
1842            .h(Tab::container_height(cx))
1843            .max_w_full()
1844            .flex_none()
1845            .justify_between()
1846            .gap_2()
1847            .bg(cx.theme().colors().tab_bar_background)
1848            .border_b_1()
1849            .border_color(cx.theme().colors().border)
1850            .child(
1851                h_flex()
1852                    .size_full()
1853                    .pl_1()
1854                    .gap_1()
1855                    .child(match &self.active_view {
1856                        ActiveView::History | ActiveView::Configuration => go_back_button,
1857                        _ => recent_entries_menu,
1858                    })
1859                    .child(self.render_title_view(window, cx)),
1860            )
1861            .child(
1862                h_flex()
1863                    .h_full()
1864                    .gap_2()
1865                    .children(self.render_token_count(cx))
1866                    .child(
1867                        h_flex()
1868                            .h_full()
1869                            .gap(DynamicSpacing::Base02.rems(cx))
1870                            .px(DynamicSpacing::Base08.rems(cx))
1871                            .border_l_1()
1872                            .border_color(cx.theme().colors().border)
1873                            .child(
1874                                IconButton::new("new", IconName::Plus)
1875                                    .icon_size(IconSize::Small)
1876                                    .style(ButtonStyle::Subtle)
1877                                    .tooltip(move |window, cx| {
1878                                        Tooltip::for_action_in(
1879                                            "New Thread",
1880                                            &NewThread::default(),
1881                                            &focus_handle,
1882                                            window,
1883                                            cx,
1884                                        )
1885                                    })
1886                                    .on_click(move |_event, window, cx| {
1887                                        window.dispatch_action(
1888                                            NewThread::default().boxed_clone(),
1889                                            cx,
1890                                        );
1891                                    }),
1892                            )
1893                            .child(agent_extra_menu),
1894                    ),
1895            )
1896    }
1897
1898    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
1899        let (active_thread, message_editor) = match &self.active_view {
1900            ActiveView::Thread {
1901                thread,
1902                message_editor,
1903                ..
1904            } => (thread.read(cx), message_editor.read(cx)),
1905            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
1906                return None;
1907            }
1908        };
1909
1910        let editor_empty = message_editor.is_editor_fully_empty(cx);
1911
1912        if active_thread.is_empty() && editor_empty {
1913            return None;
1914        }
1915
1916        let thread = active_thread.thread().read(cx);
1917        let is_generating = thread.is_generating();
1918        let conversation_token_usage = thread.total_token_usage()?;
1919
1920        let (total_token_usage, is_estimating) =
1921            if let Some((editing_message_id, unsent_tokens)) = active_thread.editing_message_id() {
1922                let combined = thread
1923                    .token_usage_up_to_message(editing_message_id)
1924                    .add(unsent_tokens);
1925
1926                (combined, unsent_tokens > 0)
1927            } else {
1928                let unsent_tokens = message_editor.last_estimated_token_count().unwrap_or(0);
1929                let combined = conversation_token_usage.add(unsent_tokens);
1930
1931                (combined, unsent_tokens > 0)
1932            };
1933
1934        let is_waiting_to_update_token_count = message_editor.is_waiting_to_update_token_count();
1935
1936        match &self.active_view {
1937            ActiveView::Thread { .. } => {
1938                if total_token_usage.total == 0 {
1939                    return None;
1940                }
1941
1942                let token_color = match total_token_usage.ratio() {
1943                    TokenUsageRatio::Normal if is_estimating => Color::Default,
1944                    TokenUsageRatio::Normal => Color::Muted,
1945                    TokenUsageRatio::Warning => Color::Warning,
1946                    TokenUsageRatio::Exceeded => Color::Error,
1947                };
1948
1949                let token_count = h_flex()
1950                    .id("token-count")
1951                    .flex_shrink_0()
1952                    .gap_0p5()
1953                    .when(!is_generating && is_estimating, |parent| {
1954                        parent
1955                            .child(
1956                                h_flex()
1957                                    .mr_1()
1958                                    .size_2p5()
1959                                    .justify_center()
1960                                    .rounded_full()
1961                                    .bg(cx.theme().colors().text.opacity(0.1))
1962                                    .child(
1963                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
1964                                    ),
1965                            )
1966                            .tooltip(move |window, cx| {
1967                                Tooltip::with_meta(
1968                                    "Estimated New Token Count",
1969                                    None,
1970                                    format!(
1971                                        "Current Conversation Tokens: {}",
1972                                        humanize_token_count(conversation_token_usage.total)
1973                                    ),
1974                                    window,
1975                                    cx,
1976                                )
1977                            })
1978                    })
1979                    .child(
1980                        Label::new(humanize_token_count(total_token_usage.total))
1981                            .size(LabelSize::Small)
1982                            .color(token_color)
1983                            .map(|label| {
1984                                if is_generating || is_waiting_to_update_token_count {
1985                                    label
1986                                        .with_animation(
1987                                            "used-tokens-label",
1988                                            Animation::new(Duration::from_secs(2))
1989                                                .repeat()
1990                                                .with_easing(pulsating_between(0.6, 1.)),
1991                                            |label, delta| label.alpha(delta),
1992                                        )
1993                                        .into_any()
1994                                } else {
1995                                    label.into_any_element()
1996                                }
1997                            }),
1998                    )
1999                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2000                    .child(
2001                        Label::new(humanize_token_count(total_token_usage.max))
2002                            .size(LabelSize::Small)
2003                            .color(Color::Muted),
2004                    )
2005                    .into_any();
2006
2007                Some(token_count)
2008            }
2009            ActiveView::TextThread { context_editor, .. } => {
2010                let element = render_remaining_tokens(context_editor, cx)?;
2011
2012                Some(element.into_any_element())
2013            }
2014            _ => None,
2015        }
2016    }
2017
2018    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2019        if TrialEndUpsell::dismissed() {
2020            return false;
2021        }
2022
2023        let plan = self.user_store.read(cx).current_plan();
2024        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2025
2026        matches!(plan, Some(Plan::Free)) && has_previous_trial
2027    }
2028
2029    fn should_render_upsell(&self, cx: &mut Context<Self>) -> bool {
2030        match &self.active_view {
2031            ActiveView::Thread { thread, .. } => {
2032                let is_using_zed_provider = thread
2033                    .read(cx)
2034                    .thread()
2035                    .read(cx)
2036                    .model()
2037                    .map_or(false, |model| {
2038                        model.provider.id().0 == ZED_CLOUD_PROVIDER_ID
2039                    });
2040
2041                if !is_using_zed_provider {
2042                    return false;
2043                }
2044            }
2045            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2046                return false;
2047            }
2048        };
2049
2050        if self.hide_upsell || Upsell::dismissed() {
2051            return false;
2052        }
2053
2054        let plan = self.user_store.read(cx).current_plan();
2055        if matches!(plan, Some(Plan::ZedPro | Plan::ZedProTrial)) {
2056            return false;
2057        }
2058
2059        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2060        if has_previous_trial {
2061            return false;
2062        }
2063
2064        true
2065    }
2066
2067    fn render_upsell(
2068        &self,
2069        _window: &mut Window,
2070        cx: &mut Context<Self>,
2071    ) -> Option<impl IntoElement> {
2072        if !self.should_render_upsell(cx) {
2073            return None;
2074        }
2075
2076        if self.user_store.read(cx).account_too_young() {
2077            Some(self.render_young_account_upsell(cx).into_any_element())
2078        } else {
2079            Some(self.render_trial_upsell(cx).into_any_element())
2080        }
2081    }
2082
2083    fn render_young_account_upsell(&self, cx: &mut Context<Self>) -> impl IntoElement {
2084        let checkbox = CheckboxWithLabel::new(
2085            "dont-show-again",
2086            Label::new("Don't show again").color(Color::Muted),
2087            ToggleState::Unselected,
2088            move |toggle_state, _window, cx| {
2089                let toggle_state_bool = toggle_state.selected();
2090
2091                Upsell::set_dismissed(toggle_state_bool, cx);
2092            },
2093        );
2094
2095        let contents = div()
2096            .size_full()
2097            .gap_2()
2098            .flex()
2099            .flex_col()
2100            .child(Headline::new("Build better with Zed Pro").size(HeadlineSize::Small))
2101            .child(
2102                Label::new("Your GitHub account was created less than 30 days ago, so we can't offer you a free trial.")
2103                    .size(LabelSize::Small),
2104            )
2105            .child(
2106                Label::new(
2107                    "Use your own API keys, upgrade to Zed Pro or send an email to billing-support@zed.dev.",
2108                )
2109                .color(Color::Muted),
2110            )
2111            .child(
2112                h_flex()
2113                    .w_full()
2114                    .px_neg_1()
2115                    .justify_between()
2116                    .items_center()
2117                    .child(h_flex().items_center().gap_1().child(checkbox))
2118                    .child(
2119                        h_flex()
2120                            .gap_2()
2121                            .child(
2122                                Button::new("dismiss-button", "Not Now")
2123                                    .style(ButtonStyle::Transparent)
2124                                    .color(Color::Muted)
2125                                    .on_click({
2126                                        let agent_panel = cx.entity();
2127                                        move |_, _, cx| {
2128                                            agent_panel.update(cx, |this, cx| {
2129                                                this.hide_upsell = true;
2130                                                cx.notify();
2131                                            });
2132                                        }
2133                                    }),
2134                            )
2135                            .child(
2136                                Button::new("cta-button", "Upgrade to Zed Pro")
2137                                    .style(ButtonStyle::Transparent)
2138                                    .on_click(|_, _, cx| cx.open_url(&zed_urls::account_url(cx))),
2139                            ),
2140                    ),
2141            );
2142
2143        self.render_upsell_container(cx, contents)
2144    }
2145
2146    fn render_trial_upsell(&self, cx: &mut Context<Self>) -> impl IntoElement {
2147        let checkbox = CheckboxWithLabel::new(
2148            "dont-show-again",
2149            Label::new("Don't show again").color(Color::Muted),
2150            ToggleState::Unselected,
2151            move |toggle_state, _window, cx| {
2152                let toggle_state_bool = toggle_state.selected();
2153
2154                Upsell::set_dismissed(toggle_state_bool, cx);
2155            },
2156        );
2157
2158        let contents = div()
2159            .size_full()
2160            .gap_2()
2161            .flex()
2162            .flex_col()
2163            .child(Headline::new("Build better with Zed Pro").size(HeadlineSize::Small))
2164            .child(
2165                Label::new("Try Zed Pro for free for 14 days - no credit card required.")
2166                    .size(LabelSize::Small),
2167            )
2168            .child(
2169                Label::new(
2170                    "Use your own API keys or enable usage-based billing once you hit the cap.",
2171                )
2172                .color(Color::Muted),
2173            )
2174            .child(
2175                h_flex()
2176                    .w_full()
2177                    .px_neg_1()
2178                    .justify_between()
2179                    .items_center()
2180                    .child(h_flex().items_center().gap_1().child(checkbox))
2181                    .child(
2182                        h_flex()
2183                            .gap_2()
2184                            .child(
2185                                Button::new("dismiss-button", "Not Now")
2186                                    .style(ButtonStyle::Transparent)
2187                                    .color(Color::Muted)
2188                                    .on_click({
2189                                        let agent_panel = cx.entity();
2190                                        move |_, _, cx| {
2191                                            agent_panel.update(cx, |this, cx| {
2192                                                this.hide_upsell = true;
2193                                                cx.notify();
2194                                            });
2195                                        }
2196                                    }),
2197                            )
2198                            .child(
2199                                Button::new("cta-button", "Start Trial")
2200                                    .style(ButtonStyle::Transparent)
2201                                    .on_click(|_, _, cx| cx.open_url(&zed_urls::account_url(cx))),
2202                            ),
2203                    ),
2204            );
2205
2206        self.render_upsell_container(cx, contents)
2207    }
2208
2209    fn render_trial_end_upsell(
2210        &self,
2211        _window: &mut Window,
2212        cx: &mut Context<Self>,
2213    ) -> Option<impl IntoElement> {
2214        if !self.should_render_trial_end_upsell(cx) {
2215            return None;
2216        }
2217
2218        Some(
2219            self.render_upsell_container(
2220                cx,
2221                div()
2222                    .size_full()
2223                    .gap_2()
2224                    .flex()
2225                    .flex_col()
2226                    .child(
2227                        Headline::new("Your Zed Pro trial has expired.").size(HeadlineSize::Small),
2228                    )
2229                    .child(
2230                        Label::new("You've been automatically reset to the free plan.")
2231                            .size(LabelSize::Small),
2232                    )
2233                    .child(
2234                        h_flex()
2235                            .w_full()
2236                            .px_neg_1()
2237                            .justify_between()
2238                            .items_center()
2239                            .child(div())
2240                            .child(
2241                                h_flex()
2242                                    .gap_2()
2243                                    .child(
2244                                        Button::new("dismiss-button", "Stay on Free")
2245                                            .style(ButtonStyle::Transparent)
2246                                            .color(Color::Muted)
2247                                            .on_click({
2248                                                let agent_panel = cx.entity();
2249                                                move |_, _, cx| {
2250                                                    agent_panel.update(cx, |_this, cx| {
2251                                                        TrialEndUpsell::set_dismissed(true, cx);
2252                                                        cx.notify();
2253                                                    });
2254                                                }
2255                                            }),
2256                                    )
2257                                    .child(
2258                                        Button::new("cta-button", "Upgrade to Zed Pro")
2259                                            .style(ButtonStyle::Transparent)
2260                                            .on_click(|_, _, cx| {
2261                                                cx.open_url(&zed_urls::account_url(cx))
2262                                            }),
2263                                    ),
2264                            ),
2265                    ),
2266            ),
2267        )
2268    }
2269
2270    fn render_upsell_container(&self, cx: &mut Context<Self>, content: Div) -> Div {
2271        div().p_2().child(
2272            v_flex()
2273                .w_full()
2274                .elevation_2(cx)
2275                .rounded(px(8.))
2276                .bg(cx.theme().colors().background.alpha(0.5))
2277                .p(px(3.))
2278                .child(
2279                    div()
2280                        .gap_2()
2281                        .flex()
2282                        .flex_col()
2283                        .size_full()
2284                        .border_1()
2285                        .rounded(px(5.))
2286                        .border_color(cx.theme().colors().text.alpha(0.1))
2287                        .overflow_hidden()
2288                        .relative()
2289                        .bg(cx.theme().colors().panel_background)
2290                        .px_4()
2291                        .py_3()
2292                        .child(
2293                            div()
2294                                .absolute()
2295                                .top_0()
2296                                .right(px(-1.0))
2297                                .w(px(441.))
2298                                .h(px(167.))
2299                                .child(
2300                                    Vector::new(
2301                                        VectorName::Grid,
2302                                        rems_from_px(441.),
2303                                        rems_from_px(167.),
2304                                    )
2305                                    .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.1))),
2306                                ),
2307                        )
2308                        .child(
2309                            div()
2310                                .absolute()
2311                                .top(px(-8.0))
2312                                .right_0()
2313                                .w(px(400.))
2314                                .h(px(92.))
2315                                .child(
2316                                    Vector::new(
2317                                        VectorName::AiGrid,
2318                                        rems_from_px(400.),
2319                                        rems_from_px(92.),
2320                                    )
2321                                    .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.32))),
2322                                ),
2323                        )
2324                        // .child(
2325                        //     div()
2326                        //         .absolute()
2327                        //         .top_0()
2328                        //         .right(px(360.))
2329                        //         .size(px(401.))
2330                        //         .overflow_hidden()
2331                        //         .bg(cx.theme().colors().panel_background)
2332                        // )
2333                        .child(
2334                            div()
2335                                .absolute()
2336                                .top_0()
2337                                .right_0()
2338                                .w(px(660.))
2339                                .h(px(401.))
2340                                .overflow_hidden()
2341                                .bg(linear_gradient(
2342                                    75.,
2343                                    linear_color_stop(
2344                                        cx.theme().colors().panel_background.alpha(0.01),
2345                                        1.0,
2346                                    ),
2347                                    linear_color_stop(cx.theme().colors().panel_background, 0.45),
2348                                )),
2349                        )
2350                        .child(content),
2351                ),
2352        )
2353    }
2354
2355    fn render_thread_empty_state(
2356        &self,
2357        window: &mut Window,
2358        cx: &mut Context<Self>,
2359    ) -> impl IntoElement {
2360        let recent_history = self
2361            .history_store
2362            .update(cx, |this, cx| this.recent_entries(6, cx));
2363
2364        let model_registry = LanguageModelRegistry::read_global(cx);
2365        let configuration_error =
2366            model_registry.configuration_error(model_registry.default_model(), cx);
2367        let no_error = configuration_error.is_none();
2368        let focus_handle = self.focus_handle(cx);
2369
2370        v_flex()
2371            .size_full()
2372            .bg(cx.theme().colors().panel_background)
2373            .when(recent_history.is_empty(), |this| {
2374                let configuration_error_ref = &configuration_error;
2375                this.child(
2376                    v_flex()
2377                        .size_full()
2378                        .max_w_80()
2379                        .mx_auto()
2380                        .justify_center()
2381                        .items_center()
2382                        .gap_1()
2383                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
2384                        .when(no_error, |parent| {
2385                            parent
2386                                .child(
2387                                    h_flex().child(
2388                                        Label::new("Ask and build anything.")
2389                                            .color(Color::Muted)
2390                                            .mb_2p5(),
2391                                    ),
2392                                )
2393                                .child(
2394                                    Button::new("new-thread", "Start New Thread")
2395                                        .icon(IconName::Plus)
2396                                        .icon_position(IconPosition::Start)
2397                                        .icon_size(IconSize::Small)
2398                                        .icon_color(Color::Muted)
2399                                        .full_width()
2400                                        .key_binding(KeyBinding::for_action_in(
2401                                            &NewThread::default(),
2402                                            &focus_handle,
2403                                            window,
2404                                            cx,
2405                                        ))
2406                                        .on_click(|_event, window, cx| {
2407                                            window.dispatch_action(
2408                                                NewThread::default().boxed_clone(),
2409                                                cx,
2410                                            )
2411                                        }),
2412                                )
2413                                .child(
2414                                    Button::new("context", "Add Context")
2415                                        .icon(IconName::FileCode)
2416                                        .icon_position(IconPosition::Start)
2417                                        .icon_size(IconSize::Small)
2418                                        .icon_color(Color::Muted)
2419                                        .full_width()
2420                                        .key_binding(KeyBinding::for_action_in(
2421                                            &ToggleContextPicker,
2422                                            &focus_handle,
2423                                            window,
2424                                            cx,
2425                                        ))
2426                                        .on_click(|_event, window, cx| {
2427                                            window.dispatch_action(
2428                                                ToggleContextPicker.boxed_clone(),
2429                                                cx,
2430                                            )
2431                                        }),
2432                                )
2433                                .child(
2434                                    Button::new("mode", "Switch Model")
2435                                        .icon(IconName::DatabaseZap)
2436                                        .icon_position(IconPosition::Start)
2437                                        .icon_size(IconSize::Small)
2438                                        .icon_color(Color::Muted)
2439                                        .full_width()
2440                                        .key_binding(KeyBinding::for_action_in(
2441                                            &ToggleModelSelector,
2442                                            &focus_handle,
2443                                            window,
2444                                            cx,
2445                                        ))
2446                                        .on_click(|_event, window, cx| {
2447                                            window.dispatch_action(
2448                                                ToggleModelSelector.boxed_clone(),
2449                                                cx,
2450                                            )
2451                                        }),
2452                                )
2453                                .child(
2454                                    Button::new("settings", "View Settings")
2455                                        .icon(IconName::Settings)
2456                                        .icon_position(IconPosition::Start)
2457                                        .icon_size(IconSize::Small)
2458                                        .icon_color(Color::Muted)
2459                                        .full_width()
2460                                        .key_binding(KeyBinding::for_action_in(
2461                                            &OpenConfiguration,
2462                                            &focus_handle,
2463                                            window,
2464                                            cx,
2465                                        ))
2466                                        .on_click(|_event, window, cx| {
2467                                            window.dispatch_action(
2468                                                OpenConfiguration.boxed_clone(),
2469                                                cx,
2470                                            )
2471                                        }),
2472                                )
2473                        })
2474                        .map(|parent| match configuration_error_ref {
2475                            Some(
2476                                err @ (ConfigurationError::ModelNotFound
2477                                | ConfigurationError::ProviderNotAuthenticated(_)
2478                                | ConfigurationError::NoProvider),
2479                            ) => parent
2480                                .child(h_flex().child(
2481                                    Label::new(err.to_string()).color(Color::Muted).mb_2p5(),
2482                                ))
2483                                .child(
2484                                    Button::new("settings", "Configure a Provider")
2485                                        .icon(IconName::Settings)
2486                                        .icon_position(IconPosition::Start)
2487                                        .icon_size(IconSize::Small)
2488                                        .icon_color(Color::Muted)
2489                                        .full_width()
2490                                        .key_binding(KeyBinding::for_action_in(
2491                                            &OpenConfiguration,
2492                                            &focus_handle,
2493                                            window,
2494                                            cx,
2495                                        ))
2496                                        .on_click(|_event, window, cx| {
2497                                            window.dispatch_action(
2498                                                OpenConfiguration.boxed_clone(),
2499                                                cx,
2500                                            )
2501                                        }),
2502                                ),
2503                            Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => {
2504                                parent.children(provider.render_accept_terms(
2505                                    LanguageModelProviderTosView::ThreadFreshStart,
2506                                    cx,
2507                                ))
2508                            }
2509                            None => parent,
2510                        }),
2511                )
2512            })
2513            .when(!recent_history.is_empty(), |parent| {
2514                let focus_handle = focus_handle.clone();
2515                let configuration_error_ref = &configuration_error;
2516
2517                parent
2518                    .overflow_hidden()
2519                    .p_1p5()
2520                    .justify_end()
2521                    .gap_1()
2522                    .child(
2523                        h_flex()
2524                            .pl_1p5()
2525                            .pb_1()
2526                            .w_full()
2527                            .justify_between()
2528                            .border_b_1()
2529                            .border_color(cx.theme().colors().border_variant)
2530                            .child(
2531                                Label::new("Recent")
2532                                    .size(LabelSize::Small)
2533                                    .color(Color::Muted),
2534                            )
2535                            .child(
2536                                Button::new("view-history", "View All")
2537                                    .style(ButtonStyle::Subtle)
2538                                    .label_size(LabelSize::Small)
2539                                    .key_binding(
2540                                        KeyBinding::for_action_in(
2541                                            &OpenHistory,
2542                                            &self.focus_handle(cx),
2543                                            window,
2544                                            cx,
2545                                        )
2546                                        .map(|kb| kb.size(rems_from_px(12.))),
2547                                    )
2548                                    .on_click(move |_event, window, cx| {
2549                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
2550                                    }),
2551                            ),
2552                    )
2553                    .child(
2554                        v_flex()
2555                            .gap_1()
2556                            .children(recent_history.into_iter().enumerate().map(
2557                                |(index, entry)| {
2558                                    // TODO: Add keyboard navigation.
2559                                    let is_hovered =
2560                                        self.hovered_recent_history_item == Some(index);
2561                                    HistoryEntryElement::new(entry.clone(), cx.entity().downgrade())
2562                                        .hovered(is_hovered)
2563                                        .on_hover(cx.listener(
2564                                            move |this, is_hovered, _window, cx| {
2565                                                if *is_hovered {
2566                                                    this.hovered_recent_history_item = Some(index);
2567                                                } else if this.hovered_recent_history_item
2568                                                    == Some(index)
2569                                                {
2570                                                    this.hovered_recent_history_item = None;
2571                                                }
2572                                                cx.notify();
2573                                            },
2574                                        ))
2575                                        .into_any_element()
2576                                },
2577                            )),
2578                    )
2579                    .map(|parent| match configuration_error_ref {
2580                        Some(
2581                            err @ (ConfigurationError::ModelNotFound
2582                            | ConfigurationError::ProviderNotAuthenticated(_)
2583                            | ConfigurationError::NoProvider),
2584                        ) => parent.child(
2585                            Banner::new()
2586                                .severity(ui::Severity::Warning)
2587                                .child(Label::new(err.to_string()).size(LabelSize::Small))
2588                                .action_slot(
2589                                    Button::new("settings", "Configure Provider")
2590                                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2591                                        .label_size(LabelSize::Small)
2592                                        .key_binding(
2593                                            KeyBinding::for_action_in(
2594                                                &OpenConfiguration,
2595                                                &focus_handle,
2596                                                window,
2597                                                cx,
2598                                            )
2599                                            .map(|kb| kb.size(rems_from_px(12.))),
2600                                        )
2601                                        .on_click(|_event, window, cx| {
2602                                            window.dispatch_action(
2603                                                OpenConfiguration.boxed_clone(),
2604                                                cx,
2605                                            )
2606                                        }),
2607                                ),
2608                        ),
2609                        Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => {
2610                            parent.child(Banner::new().severity(ui::Severity::Warning).child(
2611                                h_flex().w_full().children(provider.render_accept_terms(
2612                                    LanguageModelProviderTosView::ThreadtEmptyState,
2613                                    cx,
2614                                )),
2615                            ))
2616                        }
2617                        None => parent,
2618                    })
2619            })
2620    }
2621
2622    fn render_tool_use_limit_reached(
2623        &self,
2624        window: &mut Window,
2625        cx: &mut Context<Self>,
2626    ) -> Option<AnyElement> {
2627        let active_thread = match &self.active_view {
2628            ActiveView::Thread { thread, .. } => thread,
2629            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
2630                return None;
2631            }
2632        };
2633
2634        let thread = active_thread.read(cx).thread().read(cx);
2635
2636        let tool_use_limit_reached = thread.tool_use_limit_reached();
2637        if !tool_use_limit_reached {
2638            return None;
2639        }
2640
2641        let model = thread.model()?.model;
2642
2643        let focus_handle = self.focus_handle(cx);
2644
2645        let banner = Banner::new()
2646            .severity(ui::Severity::Info)
2647            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
2648            .action_slot(
2649                h_flex()
2650                    .gap_1()
2651                    .child(
2652                        Button::new("continue-conversation", "Continue")
2653                            .layer(ElevationIndex::ModalSurface)
2654                            .label_size(LabelSize::Small)
2655                            .key_binding(
2656                                KeyBinding::for_action_in(
2657                                    &ContinueThread,
2658                                    &focus_handle,
2659                                    window,
2660                                    cx,
2661                                )
2662                                .map(|kb| kb.size(rems_from_px(10.))),
2663                            )
2664                            .on_click(cx.listener(|this, _, window, cx| {
2665                                this.continue_conversation(window, cx);
2666                            })),
2667                    )
2668                    .when(model.supports_burn_mode(), |this| {
2669                        this.child(
2670                            Button::new("continue-burn-mode", "Continue with Burn Mode")
2671                                .style(ButtonStyle::Filled)
2672                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2673                                .layer(ElevationIndex::ModalSurface)
2674                                .label_size(LabelSize::Small)
2675                                .key_binding(
2676                                    KeyBinding::for_action_in(
2677                                        &ContinueWithBurnMode,
2678                                        &focus_handle,
2679                                        window,
2680                                        cx,
2681                                    )
2682                                    .map(|kb| kb.size(rems_from_px(10.))),
2683                                )
2684                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
2685                                .on_click({
2686                                    let active_thread = active_thread.clone();
2687                                    cx.listener(move |this, _, window, cx| {
2688                                        active_thread.update(cx, |active_thread, cx| {
2689                                            active_thread.thread().update(cx, |thread, _cx| {
2690                                                thread.set_completion_mode(CompletionMode::Burn);
2691                                            });
2692                                        });
2693                                        this.continue_conversation(window, cx);
2694                                    })
2695                                }),
2696                        )
2697                    }),
2698            );
2699
2700        Some(div().px_2().pb_2().child(banner).into_any_element())
2701    }
2702
2703    fn render_payment_required_error(
2704        &self,
2705        thread: &Entity<ActiveThread>,
2706        cx: &mut Context<Self>,
2707    ) -> AnyElement {
2708        const ERROR_MESSAGE: &str = "Free tier exceeded. Subscribe and add payment to continue using Zed LLMs. You'll be billed at cost for tokens used.";
2709
2710        v_flex()
2711            .gap_0p5()
2712            .child(
2713                h_flex()
2714                    .gap_1p5()
2715                    .items_center()
2716                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2717                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
2718            )
2719            .child(
2720                div()
2721                    .id("error-message")
2722                    .max_h_24()
2723                    .overflow_y_scroll()
2724                    .child(Label::new(ERROR_MESSAGE)),
2725            )
2726            .child(
2727                h_flex()
2728                    .justify_end()
2729                    .mt_1()
2730                    .gap_1()
2731                    .child(self.create_copy_button(ERROR_MESSAGE))
2732                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener({
2733                        let thread = thread.clone();
2734                        move |_, _, _, cx| {
2735                            thread.update(cx, |this, _cx| {
2736                                this.clear_last_error();
2737                            });
2738
2739                            cx.open_url(&zed_urls::account_url(cx));
2740                            cx.notify();
2741                        }
2742                    })))
2743                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener({
2744                        let thread = thread.clone();
2745                        move |_, _, _, cx| {
2746                            thread.update(cx, |this, _cx| {
2747                                this.clear_last_error();
2748                            });
2749
2750                            cx.notify();
2751                        }
2752                    }))),
2753            )
2754            .into_any()
2755    }
2756
2757    fn render_model_request_limit_reached_error(
2758        &self,
2759        plan: Plan,
2760        thread: &Entity<ActiveThread>,
2761        cx: &mut Context<Self>,
2762    ) -> AnyElement {
2763        let error_message = match plan {
2764            Plan::ZedPro => {
2765                "Model request limit reached. Upgrade to usage-based billing for more requests."
2766            }
2767            Plan::ZedProTrial => {
2768                "Model request limit reached. Upgrade to Zed Pro for more requests."
2769            }
2770            Plan::Free => "Model request limit reached. Upgrade to Zed Pro for more requests.",
2771        };
2772        let call_to_action = match plan {
2773            Plan::ZedPro => "Upgrade to usage-based billing",
2774            Plan::ZedProTrial => "Upgrade to Zed Pro",
2775            Plan::Free => "Upgrade to Zed Pro",
2776        };
2777
2778        v_flex()
2779            .gap_0p5()
2780            .child(
2781                h_flex()
2782                    .gap_1p5()
2783                    .items_center()
2784                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2785                    .child(Label::new("Model Request Limit Reached").weight(FontWeight::MEDIUM)),
2786            )
2787            .child(
2788                div()
2789                    .id("error-message")
2790                    .max_h_24()
2791                    .overflow_y_scroll()
2792                    .child(Label::new(error_message)),
2793            )
2794            .child(
2795                h_flex()
2796                    .justify_end()
2797                    .mt_1()
2798                    .gap_1()
2799                    .child(self.create_copy_button(error_message))
2800                    .child(
2801                        Button::new("subscribe", call_to_action).on_click(cx.listener({
2802                            let thread = thread.clone();
2803                            move |_, _, _, cx| {
2804                                thread.update(cx, |this, _cx| {
2805                                    this.clear_last_error();
2806                                });
2807
2808                                cx.open_url(&zed_urls::account_url(cx));
2809                                cx.notify();
2810                            }
2811                        })),
2812                    )
2813                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener({
2814                        let thread = thread.clone();
2815                        move |_, _, _, cx| {
2816                            thread.update(cx, |this, _cx| {
2817                                this.clear_last_error();
2818                            });
2819
2820                            cx.notify();
2821                        }
2822                    }))),
2823            )
2824            .into_any()
2825    }
2826
2827    fn render_error_message(
2828        &self,
2829        header: SharedString,
2830        message: SharedString,
2831        thread: &Entity<ActiveThread>,
2832        cx: &mut Context<Self>,
2833    ) -> AnyElement {
2834        let message_with_header = format!("{}\n{}", header, message);
2835        v_flex()
2836            .gap_0p5()
2837            .child(
2838                h_flex()
2839                    .gap_1p5()
2840                    .items_center()
2841                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2842                    .child(Label::new(header).weight(FontWeight::MEDIUM)),
2843            )
2844            .child(
2845                div()
2846                    .id("error-message")
2847                    .max_h_32()
2848                    .overflow_y_scroll()
2849                    .child(Label::new(message.clone())),
2850            )
2851            .child(
2852                h_flex()
2853                    .justify_end()
2854                    .mt_1()
2855                    .gap_1()
2856                    .child(self.create_copy_button(message_with_header))
2857                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener({
2858                        let thread = thread.clone();
2859                        move |_, _, _, cx| {
2860                            thread.update(cx, |this, _cx| {
2861                                this.clear_last_error();
2862                            });
2863
2864                            cx.notify();
2865                        }
2866                    }))),
2867            )
2868            .into_any()
2869    }
2870
2871    fn render_prompt_editor(
2872        &self,
2873        context_editor: &Entity<TextThreadEditor>,
2874        buffer_search_bar: &Entity<BufferSearchBar>,
2875        window: &mut Window,
2876        cx: &mut Context<Self>,
2877    ) -> Div {
2878        let mut registrar = buffer_search::DivRegistrar::new(
2879            |this, _, _cx| match &this.active_view {
2880                ActiveView::TextThread {
2881                    buffer_search_bar, ..
2882                } => Some(buffer_search_bar.clone()),
2883                _ => None,
2884            },
2885            cx,
2886        );
2887        BufferSearchBar::register(&mut registrar);
2888        registrar
2889            .into_div()
2890            .size_full()
2891            .relative()
2892            .map(|parent| {
2893                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
2894                    if buffer_search_bar.is_dismissed() {
2895                        return parent;
2896                    }
2897                    parent.child(
2898                        div()
2899                            .p(DynamicSpacing::Base08.rems(cx))
2900                            .border_b_1()
2901                            .border_color(cx.theme().colors().border_variant)
2902                            .bg(cx.theme().colors().editor_background)
2903                            .child(buffer_search_bar.render(window, cx)),
2904                    )
2905                })
2906            })
2907            .child(context_editor.clone())
2908            .child(self.render_drag_target(cx))
2909    }
2910
2911    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
2912        let is_local = self.project.read(cx).is_local();
2913        div()
2914            .invisible()
2915            .absolute()
2916            .top_0()
2917            .right_0()
2918            .bottom_0()
2919            .left_0()
2920            .bg(cx.theme().colors().drop_target_background)
2921            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
2922            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
2923            .when(is_local, |this| {
2924                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
2925            })
2926            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
2927                let item = tab.pane.read(cx).item_for_index(tab.ix);
2928                let project_paths = item
2929                    .and_then(|item| item.project_path(cx))
2930                    .into_iter()
2931                    .collect::<Vec<_>>();
2932                this.handle_drop(project_paths, vec![], window, cx);
2933            }))
2934            .on_drop(
2935                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2936                    let project_paths = selection
2937                        .items()
2938                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
2939                        .collect::<Vec<_>>();
2940                    this.handle_drop(project_paths, vec![], window, cx);
2941                }),
2942            )
2943            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
2944                let tasks = paths
2945                    .paths()
2946                    .into_iter()
2947                    .map(|path| {
2948                        Workspace::project_path_for_path(this.project.clone(), &path, false, cx)
2949                    })
2950                    .collect::<Vec<_>>();
2951                cx.spawn_in(window, async move |this, cx| {
2952                    let mut paths = vec![];
2953                    let mut added_worktrees = vec![];
2954                    let opened_paths = futures::future::join_all(tasks).await;
2955                    for entry in opened_paths {
2956                        if let Some((worktree, project_path)) = entry.log_err() {
2957                            added_worktrees.push(worktree);
2958                            paths.push(project_path);
2959                        }
2960                    }
2961                    this.update_in(cx, |this, window, cx| {
2962                        this.handle_drop(paths, added_worktrees, window, cx);
2963                    })
2964                    .ok();
2965                })
2966                .detach();
2967            }))
2968    }
2969
2970    fn handle_drop(
2971        &mut self,
2972        paths: Vec<ProjectPath>,
2973        added_worktrees: Vec<Entity<Worktree>>,
2974        window: &mut Window,
2975        cx: &mut Context<Self>,
2976    ) {
2977        match &self.active_view {
2978            ActiveView::Thread { thread, .. } => {
2979                let context_store = thread.read(cx).context_store().clone();
2980                context_store.update(cx, move |context_store, cx| {
2981                    let mut tasks = Vec::new();
2982                    for project_path in &paths {
2983                        tasks.push(context_store.add_file_from_path(
2984                            project_path.clone(),
2985                            false,
2986                            cx,
2987                        ));
2988                    }
2989                    cx.background_spawn(async move {
2990                        futures::future::join_all(tasks).await;
2991                        // Need to hold onto the worktrees until they have already been used when
2992                        // opening the buffers.
2993                        drop(added_worktrees);
2994                    })
2995                    .detach();
2996                });
2997            }
2998            ActiveView::TextThread { context_editor, .. } => {
2999                context_editor.update(cx, |context_editor, cx| {
3000                    TextThreadEditor::insert_dragged_files(
3001                        context_editor,
3002                        paths,
3003                        added_worktrees,
3004                        window,
3005                        cx,
3006                    );
3007                });
3008            }
3009            ActiveView::History | ActiveView::Configuration => {}
3010        }
3011    }
3012
3013    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3014        let message = message.into();
3015        IconButton::new("copy", IconName::Copy)
3016            .on_click(move |_, _, cx| {
3017                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3018            })
3019            .tooltip(Tooltip::text("Copy Error Message"))
3020    }
3021
3022    fn key_context(&self) -> KeyContext {
3023        let mut key_context = KeyContext::new_with_defaults();
3024        key_context.add("AgentPanel");
3025        if matches!(self.active_view, ActiveView::TextThread { .. }) {
3026            key_context.add("prompt_editor");
3027        }
3028        key_context
3029    }
3030}
3031
3032impl Render for AgentPanel {
3033    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3034        // WARNING: Changes to this element hierarchy can have
3035        // non-obvious implications to the layout of children.
3036        //
3037        // If you need to change it, please confirm:
3038        // - The message editor expands (cmd-option-esc) correctly
3039        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3040        // - Font size works as expected and can be changed with cmd-+/cmd-
3041        // - Scrolling in all views works as expected
3042        // - Files can be dropped into the panel
3043        let content = v_flex()
3044            .key_context(self.key_context())
3045            .justify_between()
3046            .size_full()
3047            .on_action(cx.listener(Self::cancel))
3048            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3049                this.new_thread(action, window, cx);
3050            }))
3051            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3052                this.open_history(window, cx);
3053            }))
3054            .on_action(cx.listener(|this, _: &OpenConfiguration, window, cx| {
3055                this.open_configuration(window, cx);
3056            }))
3057            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3058            .on_action(cx.listener(Self::deploy_rules_library))
3059            .on_action(cx.listener(Self::open_agent_diff))
3060            .on_action(cx.listener(Self::go_back))
3061            .on_action(cx.listener(Self::toggle_navigation_menu))
3062            .on_action(cx.listener(Self::toggle_options_menu))
3063            .on_action(cx.listener(Self::increase_font_size))
3064            .on_action(cx.listener(Self::decrease_font_size))
3065            .on_action(cx.listener(Self::reset_font_size))
3066            .on_action(cx.listener(Self::toggle_zoom))
3067            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3068                this.continue_conversation(window, cx);
3069            }))
3070            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3071                match &this.active_view {
3072                    ActiveView::Thread { thread, .. } => {
3073                        thread.update(cx, |active_thread, cx| {
3074                            active_thread.thread().update(cx, |thread, _cx| {
3075                                thread.set_completion_mode(CompletionMode::Burn);
3076                            });
3077                        });
3078                        this.continue_conversation(window, cx);
3079                    }
3080                    ActiveView::TextThread { .. }
3081                    | ActiveView::History
3082                    | ActiveView::Configuration => {}
3083                }
3084            }))
3085            .on_action(cx.listener(Self::toggle_burn_mode))
3086            .child(self.render_toolbar(window, cx))
3087            .children(self.render_upsell(window, cx))
3088            .children(self.render_trial_end_upsell(window, cx))
3089            .map(|parent| match &self.active_view {
3090                ActiveView::Thread {
3091                    thread,
3092                    message_editor,
3093                    ..
3094                } => parent
3095                    .relative()
3096                    .child(if thread.read(cx).is_empty() {
3097                        self.render_thread_empty_state(window, cx)
3098                            .into_any_element()
3099                    } else {
3100                        thread.clone().into_any_element()
3101                    })
3102                    .children(self.render_tool_use_limit_reached(window, cx))
3103                    .child(h_flex().child(message_editor.clone()))
3104                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3105                        this.child(
3106                            div()
3107                                .absolute()
3108                                .right_3()
3109                                .bottom_12()
3110                                .max_w_96()
3111                                .py_2()
3112                                .px_3()
3113                                .elevation_2(cx)
3114                                .occlude()
3115                                .child(match last_error {
3116                                    ThreadError::PaymentRequired => {
3117                                        self.render_payment_required_error(thread, cx)
3118                                    }
3119                                    ThreadError::ModelRequestLimitReached { plan } => self
3120                                        .render_model_request_limit_reached_error(plan, thread, cx),
3121                                    ThreadError::Message { header, message } => {
3122                                        self.render_error_message(header, message, thread, cx)
3123                                    }
3124                                })
3125                                .into_any(),
3126                        )
3127                    })
3128                    .child(self.render_drag_target(cx)),
3129                ActiveView::History => parent.child(self.history.clone()),
3130                ActiveView::TextThread {
3131                    context_editor,
3132                    buffer_search_bar,
3133                    ..
3134                } => parent.child(self.render_prompt_editor(
3135                    context_editor,
3136                    buffer_search_bar,
3137                    window,
3138                    cx,
3139                )),
3140                ActiveView::Configuration => parent.children(self.configuration.clone()),
3141            });
3142
3143        match self.active_view.which_font_size_used() {
3144            WhichFontSize::AgentFont => {
3145                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3146                    .size_full()
3147                    .child(content)
3148                    .into_any()
3149            }
3150            _ => content.into_any(),
3151        }
3152    }
3153}
3154
3155struct PromptLibraryInlineAssist {
3156    workspace: WeakEntity<Workspace>,
3157}
3158
3159impl PromptLibraryInlineAssist {
3160    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3161        Self { workspace }
3162    }
3163}
3164
3165impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3166    fn assist(
3167        &self,
3168        prompt_editor: &Entity<Editor>,
3169        initial_prompt: Option<String>,
3170        window: &mut Window,
3171        cx: &mut Context<RulesLibrary>,
3172    ) {
3173        InlineAssistant::update_global(cx, |assistant, cx| {
3174            let Some(project) = self
3175                .workspace
3176                .upgrade()
3177                .map(|workspace| workspace.read(cx).project().downgrade())
3178            else {
3179                return;
3180            };
3181            let prompt_store = None;
3182            let thread_store = None;
3183            let text_thread_store = None;
3184            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3185            assistant.assist(
3186                &prompt_editor,
3187                self.workspace.clone(),
3188                context_store,
3189                project,
3190                prompt_store,
3191                thread_store,
3192                text_thread_store,
3193                initial_prompt,
3194                window,
3195                cx,
3196            )
3197        })
3198    }
3199
3200    fn focus_agent_panel(
3201        &self,
3202        workspace: &mut Workspace,
3203        window: &mut Window,
3204        cx: &mut Context<Workspace>,
3205    ) -> bool {
3206        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3207    }
3208}
3209
3210pub struct ConcreteAssistantPanelDelegate;
3211
3212impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3213    fn active_context_editor(
3214        &self,
3215        workspace: &mut Workspace,
3216        _window: &mut Window,
3217        cx: &mut Context<Workspace>,
3218    ) -> Option<Entity<TextThreadEditor>> {
3219        let panel = workspace.panel::<AgentPanel>(cx)?;
3220        panel.read(cx).active_context_editor()
3221    }
3222
3223    fn open_saved_context(
3224        &self,
3225        workspace: &mut Workspace,
3226        path: Arc<Path>,
3227        window: &mut Window,
3228        cx: &mut Context<Workspace>,
3229    ) -> Task<Result<()>> {
3230        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3231            return Task::ready(Err(anyhow!("Agent panel not found")));
3232        };
3233
3234        panel.update(cx, |panel, cx| {
3235            panel.open_saved_prompt_editor(path, window, cx)
3236        })
3237    }
3238
3239    fn open_remote_context(
3240        &self,
3241        _workspace: &mut Workspace,
3242        _context_id: assistant_context::ContextId,
3243        _window: &mut Window,
3244        _cx: &mut Context<Workspace>,
3245    ) -> Task<Result<Entity<TextThreadEditor>>> {
3246        Task::ready(Err(anyhow!("opening remote context not implemented")))
3247    }
3248
3249    fn quote_selection(
3250        &self,
3251        workspace: &mut Workspace,
3252        selection_ranges: Vec<Range<Anchor>>,
3253        buffer: Entity<MultiBuffer>,
3254        window: &mut Window,
3255        cx: &mut Context<Workspace>,
3256    ) {
3257        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3258            return;
3259        };
3260
3261        if !panel.focus_handle(cx).contains_focused(window, cx) {
3262            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
3263        }
3264
3265        panel.update(cx, |_, cx| {
3266            // Wait to create a new context until the workspace is no longer
3267            // being updated.
3268            cx.defer_in(window, move |panel, window, cx| {
3269                if let Some(message_editor) = panel.active_message_editor() {
3270                    message_editor.update(cx, |message_editor, cx| {
3271                        message_editor.context_store().update(cx, |store, cx| {
3272                            let buffer = buffer.read(cx);
3273                            let selection_ranges = selection_ranges
3274                                .into_iter()
3275                                .flat_map(|range| {
3276                                    let (start_buffer, start) =
3277                                        buffer.text_anchor_for_position(range.start, cx)?;
3278                                    let (end_buffer, end) =
3279                                        buffer.text_anchor_for_position(range.end, cx)?;
3280                                    if start_buffer != end_buffer {
3281                                        return None;
3282                                    }
3283                                    Some((start_buffer, start..end))
3284                                })
3285                                .collect::<Vec<_>>();
3286
3287                            for (buffer, range) in selection_ranges {
3288                                store.add_selection(buffer, range, cx);
3289                            }
3290                        })
3291                    })
3292                } else if let Some(context_editor) = panel.active_context_editor() {
3293                    let snapshot = buffer.read(cx).snapshot(cx);
3294                    let selection_ranges = selection_ranges
3295                        .into_iter()
3296                        .map(|range| range.to_point(&snapshot))
3297                        .collect::<Vec<_>>();
3298
3299                    context_editor.update(cx, |context_editor, cx| {
3300                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
3301                    });
3302                }
3303            });
3304        });
3305    }
3306}
3307
3308struct Upsell;
3309
3310impl Dismissable for Upsell {
3311    const KEY: &'static str = "dismissed-trial-upsell";
3312}
3313
3314struct TrialEndUpsell;
3315
3316impl Dismissable for TrialEndUpsell {
3317    const KEY: &'static str = "dismissed-trial-end-upsell";
3318}