assistant_panel.rs

   1use std::path::PathBuf;
   2use std::sync::Arc;
   3
   4use anyhow::{anyhow, Result};
   5use assistant_context_editor::{
   6    make_lsp_adapter_delegate, render_remaining_tokens, AssistantPanelDelegate, ConfigurationError,
   7    ContextEditor, SlashCommandCompletionProvider,
   8};
   9use assistant_settings::{AssistantDockPosition, AssistantSettings};
  10use assistant_slash_command::SlashCommandWorkingSet;
  11use assistant_tool::ToolWorkingSet;
  12
  13use client::zed_urls;
  14use editor::Editor;
  15use fs::Fs;
  16use gpui::{
  17    prelude::*, px, svg, Action, AnyElement, App, AsyncWindowContext, Corner, Entity, EventEmitter,
  18    FocusHandle, Focusable, FontWeight, Pixels, Subscription, Task, UpdateGlobal, WeakEntity,
  19};
  20use language::LanguageRegistry;
  21use language_model::{LanguageModelProviderTosView, LanguageModelRegistry};
  22use project::Project;
  23use prompt_library::{open_prompt_library, PromptBuilder, PromptLibrary};
  24use settings::{update_settings_file, Settings};
  25use time::UtcOffset;
  26use ui::{prelude::*, ContextMenu, KeyBinding, PopoverMenu, PopoverMenuHandle, Tab, Tooltip};
  27use util::ResultExt as _;
  28use workspace::dock::{DockPosition, Panel, PanelEvent};
  29use workspace::Workspace;
  30use zed_actions::assistant::{DeployPromptLibrary, ToggleFocus};
  31
  32use crate::active_thread::ActiveThread;
  33use crate::assistant_configuration::{AssistantConfiguration, AssistantConfigurationEvent};
  34use crate::history_store::{HistoryEntry, HistoryStore};
  35use crate::message_editor::MessageEditor;
  36use crate::thread::{Thread, ThreadError, ThreadId};
  37use crate::thread_history::{PastContext, PastThread, ThreadHistory};
  38use crate::thread_store::ThreadStore;
  39use crate::{InlineAssistant, NewPromptEditor, NewThread, OpenConfiguration, OpenHistory};
  40
  41pub fn init(cx: &mut App) {
  42    cx.observe_new(
  43        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  44            workspace
  45                .register_action(|workspace, _: &NewThread, window, cx| {
  46                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  47                        panel.update(cx, |panel, cx| panel.new_thread(window, cx));
  48                        workspace.focus_panel::<AssistantPanel>(window, cx);
  49                    }
  50                })
  51                .register_action(|workspace, _: &OpenHistory, window, cx| {
  52                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  53                        workspace.focus_panel::<AssistantPanel>(window, cx);
  54                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
  55                    }
  56                })
  57                .register_action(|workspace, _: &NewPromptEditor, window, cx| {
  58                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  59                        workspace.focus_panel::<AssistantPanel>(window, cx);
  60                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
  61                    }
  62                })
  63                .register_action(|workspace, _: &OpenConfiguration, window, cx| {
  64                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  65                        workspace.focus_panel::<AssistantPanel>(window, cx);
  66                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
  67                    }
  68                });
  69        },
  70    )
  71    .detach();
  72}
  73
  74enum ActiveView {
  75    Thread,
  76    PromptEditor,
  77    History,
  78    Configuration,
  79}
  80
  81pub struct AssistantPanel {
  82    workspace: WeakEntity<Workspace>,
  83    project: Entity<Project>,
  84    fs: Arc<dyn Fs>,
  85    language_registry: Arc<LanguageRegistry>,
  86    thread_store: Entity<ThreadStore>,
  87    thread: Entity<ActiveThread>,
  88    message_editor: Entity<MessageEditor>,
  89    context_store: Entity<assistant_context_editor::ContextStore>,
  90    context_editor: Option<Entity<ContextEditor>>,
  91    configuration: Option<Entity<AssistantConfiguration>>,
  92    configuration_subscription: Option<Subscription>,
  93    tools: Arc<ToolWorkingSet>,
  94    local_timezone: UtcOffset,
  95    active_view: ActiveView,
  96    history_store: Entity<HistoryStore>,
  97    history: Entity<ThreadHistory>,
  98    new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
  99    width: Option<Pixels>,
 100    height: Option<Pixels>,
 101}
 102
 103impl AssistantPanel {
 104    pub fn load(
 105        workspace: WeakEntity<Workspace>,
 106        prompt_builder: Arc<PromptBuilder>,
 107        cx: AsyncWindowContext,
 108    ) -> Task<Result<Entity<Self>>> {
 109        cx.spawn(|mut cx| async move {
 110            let tools = Arc::new(ToolWorkingSet::default());
 111            log::info!("[assistant2-debug] initializing ThreadStore");
 112            let thread_store = workspace.update(&mut cx, |workspace, cx| {
 113                let project = workspace.project().clone();
 114                ThreadStore::new(project, tools.clone(), cx)
 115            })??;
 116            log::info!("[assistant2-debug] finished initializing ThreadStore");
 117
 118            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 119            log::info!("[assistant2-debug] initializing ContextStore");
 120            let context_store = workspace
 121                .update(&mut cx, |workspace, cx| {
 122                    let project = workspace.project().clone();
 123                    assistant_context_editor::ContextStore::new(
 124                        project,
 125                        prompt_builder.clone(),
 126                        slash_commands,
 127                        cx,
 128                    )
 129                })?
 130                .await?;
 131            log::info!("[assistant2-debug] finished initializing ContextStore");
 132
 133            workspace.update_in(&mut cx, |workspace, window, cx| {
 134                cx.new(|cx| Self::new(workspace, thread_store, context_store, tools, window, cx))
 135            })
 136        })
 137    }
 138
 139    fn new(
 140        workspace: &Workspace,
 141        thread_store: Entity<ThreadStore>,
 142        context_store: Entity<assistant_context_editor::ContextStore>,
 143        tools: Arc<ToolWorkingSet>,
 144        window: &mut Window,
 145        cx: &mut Context<Self>,
 146    ) -> Self {
 147        log::info!("[assistant2-debug] AssistantPanel::new");
 148        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 149        let fs = workspace.app_state().fs.clone();
 150        let project = workspace.project().clone();
 151        let language_registry = project.read(cx).languages().clone();
 152        let workspace = workspace.weak_handle();
 153        let weak_self = cx.entity().downgrade();
 154
 155        let message_editor = cx.new(|cx| {
 156            MessageEditor::new(
 157                fs.clone(),
 158                workspace.clone(),
 159                thread_store.downgrade(),
 160                thread.clone(),
 161                window,
 162                cx,
 163            )
 164        });
 165
 166        let history_store =
 167            cx.new(|cx| HistoryStore::new(thread_store.clone(), context_store.clone(), cx));
 168
 169        Self {
 170            active_view: ActiveView::Thread,
 171            workspace: workspace.clone(),
 172            project,
 173            fs: fs.clone(),
 174            language_registry: language_registry.clone(),
 175            thread_store: thread_store.clone(),
 176            thread: cx.new(|cx| {
 177                ActiveThread::new(
 178                    thread.clone(),
 179                    thread_store.clone(),
 180                    workspace,
 181                    language_registry,
 182                    tools.clone(),
 183                    window,
 184                    cx,
 185                )
 186            }),
 187            message_editor,
 188            context_store,
 189            context_editor: None,
 190            configuration: None,
 191            configuration_subscription: None,
 192            tools,
 193            local_timezone: UtcOffset::from_whole_seconds(
 194                chrono::Local::now().offset().local_minus_utc(),
 195            )
 196            .unwrap(),
 197            history_store: history_store.clone(),
 198            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, cx)),
 199            new_item_context_menu_handle: PopoverMenuHandle::default(),
 200            width: None,
 201            height: None,
 202        }
 203    }
 204
 205    pub fn toggle_focus(
 206        workspace: &mut Workspace,
 207        _: &ToggleFocus,
 208        window: &mut Window,
 209        cx: &mut Context<Workspace>,
 210    ) {
 211        let settings = AssistantSettings::get_global(cx);
 212        if !settings.enabled {
 213            return;
 214        }
 215
 216        workspace.toggle_panel_focus::<Self>(window, cx);
 217    }
 218
 219    pub(crate) fn local_timezone(&self) -> UtcOffset {
 220        self.local_timezone
 221    }
 222
 223    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 224        &self.thread_store
 225    }
 226
 227    fn cancel(
 228        &mut self,
 229        _: &editor::actions::Cancel,
 230        _window: &mut Window,
 231        cx: &mut Context<Self>,
 232    ) {
 233        self.thread
 234            .update(cx, |thread, cx| thread.cancel_last_completion(cx));
 235    }
 236
 237    fn new_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 238        let thread = self
 239            .thread_store
 240            .update(cx, |this, cx| this.create_thread(cx));
 241
 242        self.active_view = ActiveView::Thread;
 243        self.thread = cx.new(|cx| {
 244            ActiveThread::new(
 245                thread.clone(),
 246                self.thread_store.clone(),
 247                self.workspace.clone(),
 248                self.language_registry.clone(),
 249                self.tools.clone(),
 250                window,
 251                cx,
 252            )
 253        });
 254        self.message_editor = cx.new(|cx| {
 255            MessageEditor::new(
 256                self.fs.clone(),
 257                self.workspace.clone(),
 258                self.thread_store.downgrade(),
 259                thread,
 260                window,
 261                cx,
 262            )
 263        });
 264        self.message_editor.focus_handle(cx).focus(window);
 265    }
 266
 267    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 268        self.active_view = ActiveView::PromptEditor;
 269
 270        let context = self
 271            .context_store
 272            .update(cx, |context_store, cx| context_store.create(cx));
 273        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 274            .log_err()
 275            .flatten();
 276
 277        self.context_editor = Some(cx.new(|cx| {
 278            let mut editor = ContextEditor::for_context(
 279                context,
 280                self.fs.clone(),
 281                self.workspace.clone(),
 282                self.project.clone(),
 283                lsp_adapter_delegate,
 284                window,
 285                cx,
 286            );
 287            editor.insert_default_prompt(window, cx);
 288            editor
 289        }));
 290
 291        if let Some(context_editor) = self.context_editor.as_ref() {
 292            context_editor.focus_handle(cx).focus(window);
 293        }
 294    }
 295
 296    fn deploy_prompt_library(
 297        &mut self,
 298        _: &DeployPromptLibrary,
 299        _window: &mut Window,
 300        cx: &mut Context<Self>,
 301    ) {
 302        open_prompt_library(
 303            self.language_registry.clone(),
 304            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
 305            Arc::new(|| {
 306                Box::new(SlashCommandCompletionProvider::new(
 307                    Arc::new(SlashCommandWorkingSet::default()),
 308                    None,
 309                    None,
 310                ))
 311            }),
 312            cx,
 313        )
 314        .detach_and_log_err(cx);
 315    }
 316
 317    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 318        self.thread_store
 319            .update(cx, |thread_store, cx| thread_store.reload(cx))
 320            .detach_and_log_err(cx);
 321        self.active_view = ActiveView::History;
 322        self.history.focus_handle(cx).focus(window);
 323        cx.notify();
 324    }
 325
 326    pub(crate) fn open_saved_prompt_editor(
 327        &mut self,
 328        path: PathBuf,
 329        window: &mut Window,
 330        cx: &mut Context<Self>,
 331    ) -> Task<Result<()>> {
 332        let context = self
 333            .context_store
 334            .update(cx, |store, cx| store.open_local_context(path.clone(), cx));
 335        let fs = self.fs.clone();
 336        let project = self.project.clone();
 337        let workspace = self.workspace.clone();
 338
 339        let lsp_adapter_delegate = make_lsp_adapter_delegate(&project, cx).log_err().flatten();
 340
 341        cx.spawn_in(window, |this, mut cx| async move {
 342            let context = context.await?;
 343            this.update_in(&mut cx, |this, window, cx| {
 344                let editor = cx.new(|cx| {
 345                    ContextEditor::for_context(
 346                        context,
 347                        fs,
 348                        workspace,
 349                        project,
 350                        lsp_adapter_delegate,
 351                        window,
 352                        cx,
 353                    )
 354                });
 355                this.active_view = ActiveView::PromptEditor;
 356                this.context_editor = Some(editor);
 357
 358                anyhow::Ok(())
 359            })??;
 360            Ok(())
 361        })
 362    }
 363
 364    pub(crate) fn open_thread(
 365        &mut self,
 366        thread_id: &ThreadId,
 367        window: &mut Window,
 368        cx: &mut Context<Self>,
 369    ) -> Task<Result<()>> {
 370        let open_thread_task = self
 371            .thread_store
 372            .update(cx, |this, cx| this.open_thread(thread_id, cx));
 373
 374        cx.spawn_in(window, |this, mut cx| async move {
 375            let thread = open_thread_task.await?;
 376            this.update_in(&mut cx, |this, window, cx| {
 377                this.active_view = ActiveView::Thread;
 378                this.thread = cx.new(|cx| {
 379                    ActiveThread::new(
 380                        thread.clone(),
 381                        this.thread_store.clone(),
 382                        this.workspace.clone(),
 383                        this.language_registry.clone(),
 384                        this.tools.clone(),
 385                        window,
 386                        cx,
 387                    )
 388                });
 389                this.message_editor = cx.new(|cx| {
 390                    MessageEditor::new(
 391                        this.fs.clone(),
 392                        this.workspace.clone(),
 393                        this.thread_store.downgrade(),
 394                        thread,
 395                        window,
 396                        cx,
 397                    )
 398                });
 399                this.message_editor.focus_handle(cx).focus(window);
 400            })
 401        })
 402    }
 403
 404    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 405        self.active_view = ActiveView::Configuration;
 406        self.configuration = Some(cx.new(|cx| AssistantConfiguration::new(window, cx)));
 407
 408        if let Some(configuration) = self.configuration.as_ref() {
 409            self.configuration_subscription = Some(cx.subscribe_in(
 410                configuration,
 411                window,
 412                Self::handle_assistant_configuration_event,
 413            ));
 414
 415            configuration.focus_handle(cx).focus(window);
 416        }
 417    }
 418
 419    fn handle_assistant_configuration_event(
 420        &mut self,
 421        _entity: &Entity<AssistantConfiguration>,
 422        event: &AssistantConfigurationEvent,
 423        window: &mut Window,
 424        cx: &mut Context<Self>,
 425    ) {
 426        match event {
 427            AssistantConfigurationEvent::NewThread(provider) => {
 428                if LanguageModelRegistry::read_global(cx)
 429                    .active_provider()
 430                    .map_or(true, |active_provider| {
 431                        active_provider.id() != provider.id()
 432                    })
 433                {
 434                    if let Some(model) = provider.default_model(cx) {
 435                        update_settings_file::<AssistantSettings>(
 436                            self.fs.clone(),
 437                            cx,
 438                            move |settings, _| settings.set_model(model),
 439                        );
 440                    }
 441                }
 442
 443                self.new_thread(window, cx);
 444            }
 445        }
 446    }
 447
 448    pub(crate) fn active_thread(&self, cx: &App) -> Entity<Thread> {
 449        self.thread.read(cx).thread().clone()
 450    }
 451
 452    pub(crate) fn delete_thread(&mut self, thread_id: &ThreadId, cx: &mut Context<Self>) {
 453        self.thread_store
 454            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
 455            .detach_and_log_err(cx);
 456    }
 457
 458    pub(crate) fn active_context_editor(&self) -> Option<Entity<ContextEditor>> {
 459        self.context_editor.clone()
 460    }
 461}
 462
 463impl Focusable for AssistantPanel {
 464    fn focus_handle(&self, cx: &App) -> FocusHandle {
 465        match self.active_view {
 466            ActiveView::Thread => self.message_editor.focus_handle(cx),
 467            ActiveView::History => self.history.focus_handle(cx),
 468            ActiveView::PromptEditor => {
 469                if let Some(context_editor) = self.context_editor.as_ref() {
 470                    context_editor.focus_handle(cx)
 471                } else {
 472                    cx.focus_handle()
 473                }
 474            }
 475            ActiveView::Configuration => {
 476                if let Some(configuration) = self.configuration.as_ref() {
 477                    configuration.focus_handle(cx)
 478                } else {
 479                    cx.focus_handle()
 480                }
 481            }
 482        }
 483    }
 484}
 485
 486impl EventEmitter<PanelEvent> for AssistantPanel {}
 487
 488impl Panel for AssistantPanel {
 489    fn persistent_name() -> &'static str {
 490        "AssistantPanel2"
 491    }
 492
 493    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
 494        match AssistantSettings::get_global(cx).dock {
 495            AssistantDockPosition::Left => DockPosition::Left,
 496            AssistantDockPosition::Bottom => DockPosition::Bottom,
 497            AssistantDockPosition::Right => DockPosition::Right,
 498        }
 499    }
 500
 501    fn position_is_valid(&self, _: DockPosition) -> bool {
 502        true
 503    }
 504
 505    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
 506        settings::update_settings_file::<AssistantSettings>(
 507            self.fs.clone(),
 508            cx,
 509            move |settings, _| {
 510                let dock = match position {
 511                    DockPosition::Left => AssistantDockPosition::Left,
 512                    DockPosition::Bottom => AssistantDockPosition::Bottom,
 513                    DockPosition::Right => AssistantDockPosition::Right,
 514                };
 515                settings.set_dock(dock);
 516            },
 517        );
 518    }
 519
 520    fn size(&self, window: &Window, cx: &App) -> Pixels {
 521        let settings = AssistantSettings::get_global(cx);
 522        match self.position(window, cx) {
 523            DockPosition::Left | DockPosition::Right => {
 524                self.width.unwrap_or(settings.default_width)
 525            }
 526            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
 527        }
 528    }
 529
 530    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
 531        match self.position(window, cx) {
 532            DockPosition::Left | DockPosition::Right => self.width = size,
 533            DockPosition::Bottom => self.height = size,
 534        }
 535        cx.notify();
 536    }
 537
 538    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
 539
 540    fn remote_id() -> Option<proto::PanelId> {
 541        Some(proto::PanelId::AssistantPanel)
 542    }
 543
 544    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
 545        let settings = AssistantSettings::get_global(cx);
 546        if !settings.enabled || !settings.button {
 547            return None;
 548        }
 549
 550        Some(IconName::ZedAssistant)
 551    }
 552
 553    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
 554        Some("Assistant Panel")
 555    }
 556
 557    fn toggle_action(&self) -> Box<dyn Action> {
 558        Box::new(ToggleFocus)
 559    }
 560
 561    fn activation_priority(&self) -> u32 {
 562        3
 563    }
 564}
 565
 566impl AssistantPanel {
 567    fn render_toolbar(&self, cx: &mut Context<Self>) -> impl IntoElement {
 568        let thread = self.thread.read(cx);
 569
 570        let title = match self.active_view {
 571            ActiveView::Thread => {
 572                if thread.is_empty() {
 573                    thread.summary_or_default(cx)
 574                } else {
 575                    thread
 576                        .summary(cx)
 577                        .unwrap_or_else(|| SharedString::from("Loading Summary…"))
 578                }
 579            }
 580            ActiveView::PromptEditor => self
 581                .context_editor
 582                .as_ref()
 583                .map(|context_editor| {
 584                    SharedString::from(context_editor.read(cx).title(cx).to_string())
 585                })
 586                .unwrap_or_else(|| SharedString::from("Loading Summary…")),
 587            ActiveView::History => "History".into(),
 588            ActiveView::Configuration => "Assistant Settings".into(),
 589        };
 590
 591        h_flex()
 592            .id("assistant-toolbar")
 593            .px(DynamicSpacing::Base08.rems(cx))
 594            .h(Tab::container_height(cx))
 595            .flex_none()
 596            .justify_between()
 597            .gap(DynamicSpacing::Base08.rems(cx))
 598            .bg(cx.theme().colors().tab_bar_background)
 599            .border_b_1()
 600            .border_color(cx.theme().colors().border)
 601            .child(
 602                h_flex()
 603                    .w_full()
 604                    .gap_1()
 605                    .justify_between()
 606                    .child(Label::new(title))
 607                    .children(if matches!(self.active_view, ActiveView::PromptEditor) {
 608                        self.context_editor
 609                            .as_ref()
 610                            .and_then(|editor| render_remaining_tokens(editor, cx))
 611                    } else {
 612                        None
 613                    }),
 614            )
 615            .child(
 616                h_flex()
 617                    .h_full()
 618                    .pl_1p5()
 619                    .border_l_1()
 620                    .border_color(cx.theme().colors().border)
 621                    .gap(DynamicSpacing::Base02.rems(cx))
 622                    .child(
 623                        PopoverMenu::new("assistant-toolbar-new-popover-menu")
 624                            .trigger_with_tooltip(
 625                                IconButton::new("new", IconName::Plus)
 626                                    .icon_size(IconSize::Small)
 627                                    .style(ButtonStyle::Subtle),
 628                                Tooltip::text("New…"),
 629                            )
 630                            .anchor(Corner::TopRight)
 631                            .with_handle(self.new_item_context_menu_handle.clone())
 632                            .menu(move |window, cx| {
 633                                Some(ContextMenu::build(window, cx, |menu, _window, _cx| {
 634                                    menu.action("New Thread", NewThread.boxed_clone())
 635                                        .action("New Prompt Editor", NewPromptEditor.boxed_clone())
 636                                }))
 637                            }),
 638                    )
 639                    .child(
 640                        IconButton::new("open-history", IconName::HistoryRerun)
 641                            .icon_size(IconSize::Small)
 642                            .style(ButtonStyle::Subtle)
 643                            .tooltip({
 644                                let focus_handle = self.focus_handle(cx);
 645                                move |window, cx| {
 646                                    Tooltip::for_action_in(
 647                                        "History",
 648                                        &OpenHistory,
 649                                        &focus_handle,
 650                                        window,
 651                                        cx,
 652                                    )
 653                                }
 654                            })
 655                            .on_click(move |_event, window, cx| {
 656                                window.dispatch_action(OpenHistory.boxed_clone(), cx);
 657                            }),
 658                    )
 659                    .child(
 660                        IconButton::new("configure-assistant", IconName::Settings)
 661                            .icon_size(IconSize::Small)
 662                            .style(ButtonStyle::Subtle)
 663                            .tooltip(Tooltip::text("Assistant Settings"))
 664                            .on_click(move |_event, window, cx| {
 665                                window.dispatch_action(OpenConfiguration.boxed_clone(), cx);
 666                            }),
 667                    ),
 668            )
 669    }
 670
 671    fn render_active_thread_or_empty_state(
 672        &self,
 673        window: &mut Window,
 674        cx: &mut Context<Self>,
 675    ) -> AnyElement {
 676        if self.thread.read(cx).is_empty() {
 677            return self
 678                .render_thread_empty_state(window, cx)
 679                .into_any_element();
 680        }
 681
 682        self.thread.clone().into_any_element()
 683    }
 684
 685    fn configuration_error(&self, cx: &App) -> Option<ConfigurationError> {
 686        let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
 687            return Some(ConfigurationError::NoProvider);
 688        };
 689
 690        if !provider.is_authenticated(cx) {
 691            return Some(ConfigurationError::ProviderNotAuthenticated);
 692        }
 693
 694        if provider.must_accept_terms(cx) {
 695            return Some(ConfigurationError::ProviderPendingTermsAcceptance(provider));
 696        }
 697
 698        None
 699    }
 700
 701    fn render_thread_empty_state(
 702        &self,
 703        window: &mut Window,
 704        cx: &mut Context<Self>,
 705    ) -> impl IntoElement {
 706        let recent_history = self
 707            .history_store
 708            .update(cx, |this, cx| this.recent_entries(3, cx));
 709
 710        let create_welcome_heading = || {
 711            h_flex()
 712                .w_full()
 713                .justify_center()
 714                .child(Headline::new("Welcome to the Assistant Panel").size(HeadlineSize::Small))
 715        };
 716
 717        let configuration_error = self.configuration_error(cx);
 718        let no_error = configuration_error.is_none();
 719
 720        v_flex()
 721            .gap_2()
 722            .child(
 723                v_flex().w_full().child(
 724                    svg()
 725                        .path("icons/logo_96.svg")
 726                        .text_color(cx.theme().colors().text)
 727                        .w(px(40.))
 728                        .h(px(40.))
 729                        .mx_auto()
 730                        .mb_4(),
 731                ),
 732            )
 733            .map(|parent| {
 734                match configuration_error {
 735                    Some(ConfigurationError::ProviderNotAuthenticated)
 736                    | Some(ConfigurationError::NoProvider) => {
 737                        parent.child(
 738                            v_flex()
 739                                .gap_0p5()
 740                                .child(create_welcome_heading())
 741                                .child(
 742                                    h_flex().mb_2().w_full().justify_center().child(
 743                                        Label::new(
 744                                            "To start using the assistant, configure at least one LLM provider.",
 745                                        )
 746                                        .color(Color::Muted),
 747                                    ),
 748                                )
 749                                .child(
 750                                    h_flex().w_full().justify_center().child(
 751                                        Button::new("open-configuration", "Configure a Provider")
 752                                            .size(ButtonSize::Compact)
 753                                            .icon(Some(IconName::Sliders))
 754                                            .icon_size(IconSize::Small)
 755                                            .icon_position(IconPosition::Start)
 756                                            .on_click(cx.listener(|this, _, window, cx| {
 757                                                this.open_configuration(window, cx);
 758                                            })),
 759                                    ),
 760                                ),
 761                        )
 762                    }
 763                    Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => parent
 764                        .child(v_flex().gap_0p5().child(create_welcome_heading()).children(
 765                            provider.render_accept_terms(
 766                                LanguageModelProviderTosView::ThreadEmptyState,
 767                                cx,
 768                            ),
 769                        )),
 770                    None => parent,
 771                }
 772            })
 773            .when(recent_history.is_empty() && no_error, |parent| {
 774                parent.child(v_flex().gap_0p5().child(create_welcome_heading()).child(
 775                    h_flex().w_full().justify_center().child(
 776                        Label::new("Start typing to chat with your codebase").color(Color::Muted),
 777                    ),
 778                ))
 779            })
 780            .when(!recent_history.is_empty(), |parent| {
 781                parent
 782                    .child(
 783                        h_flex().w_full().justify_center().child(
 784                            Label::new("Recent Threads:")
 785                                .size(LabelSize::Small)
 786                                .color(Color::Muted),
 787                        ),
 788                    )
 789                    .child(v_flex().mx_auto().w_4_5().gap_2().children(
 790                        recent_history.into_iter().map(|entry| {
 791                            // TODO: Add keyboard navigation.
 792                            match entry {
 793                                HistoryEntry::Thread(thread) => {
 794                                    PastThread::new(thread, cx.entity().downgrade(), false)
 795                                        .into_any_element()
 796                                }
 797                                HistoryEntry::Context(context) => {
 798                                    PastContext::new(context, cx.entity().downgrade(), false)
 799                                        .into_any_element()
 800                                }
 801                            }
 802                        }),
 803                    ))
 804                    .child(
 805                        h_flex().w_full().justify_center().child(
 806                            Button::new("view-all-past-threads", "View All Past Threads")
 807                                .style(ButtonStyle::Subtle)
 808                                .label_size(LabelSize::Small)
 809                                .key_binding(KeyBinding::for_action_in(
 810                                    &OpenHistory,
 811                                    &self.focus_handle(cx),
 812                                    window,
 813                                    cx,
 814                                ))
 815                                .on_click(move |_event, window, cx| {
 816                                    window.dispatch_action(OpenHistory.boxed_clone(), cx);
 817                                }),
 818                        ),
 819                    )
 820            })
 821    }
 822
 823    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
 824        let last_error = self.thread.read(cx).last_error()?;
 825
 826        Some(
 827            div()
 828                .absolute()
 829                .right_3()
 830                .bottom_12()
 831                .max_w_96()
 832                .py_2()
 833                .px_3()
 834                .elevation_2(cx)
 835                .occlude()
 836                .child(match last_error {
 837                    ThreadError::PaymentRequired => self.render_payment_required_error(cx),
 838                    ThreadError::MaxMonthlySpendReached => {
 839                        self.render_max_monthly_spend_reached_error(cx)
 840                    }
 841                    ThreadError::Message(error_message) => {
 842                        self.render_error_message(&error_message, cx)
 843                    }
 844                })
 845                .into_any(),
 846        )
 847    }
 848
 849    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
 850        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.";
 851
 852        v_flex()
 853            .gap_0p5()
 854            .child(
 855                h_flex()
 856                    .gap_1p5()
 857                    .items_center()
 858                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 859                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
 860            )
 861            .child(
 862                div()
 863                    .id("error-message")
 864                    .max_h_24()
 865                    .overflow_y_scroll()
 866                    .child(Label::new(ERROR_MESSAGE)),
 867            )
 868            .child(
 869                h_flex()
 870                    .justify_end()
 871                    .mt_1()
 872                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
 873                        |this, _, _, cx| {
 874                            this.thread.update(cx, |this, _cx| {
 875                                this.clear_last_error();
 876                            });
 877
 878                            cx.open_url(&zed_urls::account_url(cx));
 879                            cx.notify();
 880                        },
 881                    )))
 882                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
 883                        |this, _, _, cx| {
 884                            this.thread.update(cx, |this, _cx| {
 885                                this.clear_last_error();
 886                            });
 887
 888                            cx.notify();
 889                        },
 890                    ))),
 891            )
 892            .into_any()
 893    }
 894
 895    fn render_max_monthly_spend_reached_error(&self, cx: &mut Context<Self>) -> AnyElement {
 896        const ERROR_MESSAGE: &str = "You have reached your maximum monthly spend. Increase your spend limit to continue using Zed LLMs.";
 897
 898        v_flex()
 899            .gap_0p5()
 900            .child(
 901                h_flex()
 902                    .gap_1p5()
 903                    .items_center()
 904                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 905                    .child(Label::new("Max Monthly Spend Reached").weight(FontWeight::MEDIUM)),
 906            )
 907            .child(
 908                div()
 909                    .id("error-message")
 910                    .max_h_24()
 911                    .overflow_y_scroll()
 912                    .child(Label::new(ERROR_MESSAGE)),
 913            )
 914            .child(
 915                h_flex()
 916                    .justify_end()
 917                    .mt_1()
 918                    .child(
 919                        Button::new("subscribe", "Update Monthly Spend Limit").on_click(
 920                            cx.listener(|this, _, _, cx| {
 921                                this.thread.update(cx, |this, _cx| {
 922                                    this.clear_last_error();
 923                                });
 924
 925                                cx.open_url(&zed_urls::account_url(cx));
 926                                cx.notify();
 927                            }),
 928                        ),
 929                    )
 930                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
 931                        |this, _, _, cx| {
 932                            this.thread.update(cx, |this, _cx| {
 933                                this.clear_last_error();
 934                            });
 935
 936                            cx.notify();
 937                        },
 938                    ))),
 939            )
 940            .into_any()
 941    }
 942
 943    fn render_error_message(
 944        &self,
 945        error_message: &SharedString,
 946        cx: &mut Context<Self>,
 947    ) -> AnyElement {
 948        v_flex()
 949            .gap_0p5()
 950            .child(
 951                h_flex()
 952                    .gap_1p5()
 953                    .items_center()
 954                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 955                    .child(
 956                        Label::new("Error interacting with language model")
 957                            .weight(FontWeight::MEDIUM),
 958                    ),
 959            )
 960            .child(
 961                div()
 962                    .id("error-message")
 963                    .max_h_32()
 964                    .overflow_y_scroll()
 965                    .child(Label::new(error_message.clone())),
 966            )
 967            .child(
 968                h_flex()
 969                    .justify_end()
 970                    .mt_1()
 971                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
 972                        |this, _, _, cx| {
 973                            this.thread.update(cx, |this, _cx| {
 974                                this.clear_last_error();
 975                            });
 976
 977                            cx.notify();
 978                        },
 979                    ))),
 980            )
 981            .into_any()
 982    }
 983}
 984
 985impl Render for AssistantPanel {
 986    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 987        v_flex()
 988            .key_context("AssistantPanel2")
 989            .justify_between()
 990            .size_full()
 991            .on_action(cx.listener(Self::cancel))
 992            .on_action(cx.listener(|this, _: &NewThread, window, cx| {
 993                this.new_thread(window, cx);
 994            }))
 995            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
 996                this.open_history(window, cx);
 997            }))
 998            .on_action(cx.listener(Self::deploy_prompt_library))
 999            .child(self.render_toolbar(cx))
1000            .map(|parent| match self.active_view {
1001                ActiveView::Thread => parent
1002                    .child(self.render_active_thread_or_empty_state(window, cx))
1003                    .child(
1004                        h_flex()
1005                            .border_t_1()
1006                            .border_color(cx.theme().colors().border)
1007                            .child(self.message_editor.clone()),
1008                    )
1009                    .children(self.render_last_error(cx)),
1010                ActiveView::History => parent.child(self.history.clone()),
1011                ActiveView::PromptEditor => parent.children(self.context_editor.clone()),
1012                ActiveView::Configuration => parent.children(self.configuration.clone()),
1013            })
1014    }
1015}
1016
1017struct PromptLibraryInlineAssist {
1018    workspace: WeakEntity<Workspace>,
1019}
1020
1021impl PromptLibraryInlineAssist {
1022    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
1023        Self { workspace }
1024    }
1025}
1026
1027impl prompt_library::InlineAssistDelegate for PromptLibraryInlineAssist {
1028    fn assist(
1029        &self,
1030        prompt_editor: &Entity<Editor>,
1031        _initial_prompt: Option<String>,
1032        window: &mut Window,
1033        cx: &mut Context<PromptLibrary>,
1034    ) {
1035        InlineAssistant::update_global(cx, |assistant, cx| {
1036            assistant.assist(&prompt_editor, self.workspace.clone(), None, window, cx)
1037        })
1038    }
1039
1040    fn focus_assistant_panel(
1041        &self,
1042        workspace: &mut Workspace,
1043        window: &mut Window,
1044        cx: &mut Context<Workspace>,
1045    ) -> bool {
1046        workspace
1047            .focus_panel::<AssistantPanel>(window, cx)
1048            .is_some()
1049    }
1050}
1051
1052pub struct ConcreteAssistantPanelDelegate;
1053
1054impl AssistantPanelDelegate for ConcreteAssistantPanelDelegate {
1055    fn active_context_editor(
1056        &self,
1057        workspace: &mut Workspace,
1058        _window: &mut Window,
1059        cx: &mut Context<Workspace>,
1060    ) -> Option<Entity<ContextEditor>> {
1061        let panel = workspace.panel::<AssistantPanel>(cx)?;
1062        panel.update(cx, |panel, _cx| panel.context_editor.clone())
1063    }
1064
1065    fn open_saved_context(
1066        &self,
1067        workspace: &mut Workspace,
1068        path: std::path::PathBuf,
1069        window: &mut Window,
1070        cx: &mut Context<Workspace>,
1071    ) -> Task<Result<()>> {
1072        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
1073            return Task::ready(Err(anyhow!("Assistant panel not found")));
1074        };
1075
1076        panel.update(cx, |panel, cx| {
1077            panel.open_saved_prompt_editor(path, window, cx)
1078        })
1079    }
1080
1081    fn open_remote_context(
1082        &self,
1083        _workspace: &mut Workspace,
1084        _context_id: assistant_context_editor::ContextId,
1085        _window: &mut Window,
1086        _cx: &mut Context<Workspace>,
1087    ) -> Task<Result<Entity<ContextEditor>>> {
1088        Task::ready(Err(anyhow!("opening remote context not implemented")))
1089    }
1090
1091    fn quote_selection(
1092        &self,
1093        _workspace: &mut Workspace,
1094        _creases: Vec<(String, String)>,
1095        _window: &mut Window,
1096        _cx: &mut Context<Workspace>,
1097    ) {
1098    }
1099}