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, MultiBuffer};
  15use fs::Fs;
  16use gpui::{
  17    prelude::*, Action, AnyElement, App, AsyncWindowContext, Corner, Entity, EventEmitter,
  18    FocusHandle, Focusable, FontWeight, KeyContext, Pixels, Subscription, Task, UpdateGlobal,
  19    WeakEntity,
  20};
  21use language::LanguageRegistry;
  22use language_model::{LanguageModelProviderTosView, LanguageModelRegistry};
  23use project::Project;
  24use prompt_library::{open_prompt_library, PromptLibrary};
  25use prompt_store::PromptBuilder;
  26use settings::{update_settings_file, Settings};
  27use time::UtcOffset;
  28use ui::{prelude::*, ContextMenu, KeyBinding, PopoverMenu, PopoverMenuHandle, Tab, Tooltip};
  29use util::ResultExt as _;
  30use workspace::dock::{DockPosition, Panel, PanelEvent};
  31use workspace::Workspace;
  32use zed_actions::assistant::{DeployPromptLibrary, ToggleFocus};
  33
  34use crate::active_thread::ActiveThread;
  35use crate::assistant_configuration::{AssistantConfiguration, AssistantConfigurationEvent};
  36use crate::history_store::{HistoryEntry, HistoryStore};
  37use crate::message_editor::MessageEditor;
  38use crate::thread::{Thread, ThreadError, ThreadId};
  39use crate::thread_history::{PastContext, PastThread, ThreadHistory};
  40use crate::thread_store::ThreadStore;
  41use crate::{
  42    InlineAssistant, NewPromptEditor, NewThread, OpenActiveThreadAsMarkdown, OpenConfiguration,
  43    OpenHistory,
  44};
  45
  46pub fn init(cx: &mut App) {
  47    cx.observe_new(
  48        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  49            workspace
  50                .register_action(|workspace, _: &NewThread, window, cx| {
  51                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  52                        panel.update(cx, |panel, cx| panel.new_thread(window, cx));
  53                        workspace.focus_panel::<AssistantPanel>(window, cx);
  54                    }
  55                })
  56                .register_action(|workspace, _: &OpenHistory, window, cx| {
  57                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  58                        workspace.focus_panel::<AssistantPanel>(window, cx);
  59                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
  60                    }
  61                })
  62                .register_action(|workspace, _: &NewPromptEditor, window, cx| {
  63                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  64                        workspace.focus_panel::<AssistantPanel>(window, cx);
  65                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
  66                    }
  67                })
  68                .register_action(|workspace, _: &OpenConfiguration, window, cx| {
  69                    if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
  70                        workspace.focus_panel::<AssistantPanel>(window, cx);
  71                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
  72                    }
  73                });
  74        },
  75    )
  76    .detach();
  77}
  78
  79enum ActiveView {
  80    Thread,
  81    PromptEditor,
  82    History,
  83    Configuration,
  84}
  85
  86pub struct AssistantPanel {
  87    workspace: WeakEntity<Workspace>,
  88    project: Entity<Project>,
  89    fs: Arc<dyn Fs>,
  90    language_registry: Arc<LanguageRegistry>,
  91    thread_store: Entity<ThreadStore>,
  92    thread: Entity<ActiveThread>,
  93    message_editor: Entity<MessageEditor>,
  94    context_store: Entity<assistant_context_editor::ContextStore>,
  95    context_editor: Option<Entity<ContextEditor>>,
  96    configuration: Option<Entity<AssistantConfiguration>>,
  97    configuration_subscription: Option<Subscription>,
  98    local_timezone: UtcOffset,
  99    active_view: ActiveView,
 100    history_store: Entity<HistoryStore>,
 101    history: Entity<ThreadHistory>,
 102    new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
 103    width: Option<Pixels>,
 104    height: Option<Pixels>,
 105}
 106
 107impl AssistantPanel {
 108    pub fn load(
 109        workspace: WeakEntity<Workspace>,
 110        prompt_builder: Arc<PromptBuilder>,
 111        cx: AsyncWindowContext,
 112    ) -> Task<Result<Entity<Self>>> {
 113        cx.spawn(|mut cx| async move {
 114            let tools = Arc::new(ToolWorkingSet::default());
 115            log::info!("[assistant2-debug] initializing ThreadStore");
 116            let thread_store = workspace.update(&mut cx, |workspace, cx| {
 117                let project = workspace.project().clone();
 118                ThreadStore::new(project, tools.clone(), prompt_builder.clone(), cx)
 119            })??;
 120            log::info!("[assistant2-debug] finished initializing ThreadStore");
 121
 122            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 123            log::info!("[assistant2-debug] initializing ContextStore");
 124            let context_store = workspace
 125                .update(&mut cx, |workspace, cx| {
 126                    let project = workspace.project().clone();
 127                    assistant_context_editor::ContextStore::new(
 128                        project,
 129                        prompt_builder.clone(),
 130                        slash_commands,
 131                        cx,
 132                    )
 133                })?
 134                .await?;
 135            log::info!("[assistant2-debug] finished initializing ContextStore");
 136
 137            workspace.update_in(&mut cx, |workspace, window, cx| {
 138                cx.new(|cx| Self::new(workspace, thread_store, context_store, window, cx))
 139            })
 140        })
 141    }
 142
 143    fn new(
 144        workspace: &Workspace,
 145        thread_store: Entity<ThreadStore>,
 146        context_store: Entity<assistant_context_editor::ContextStore>,
 147        window: &mut Window,
 148        cx: &mut Context<Self>,
 149    ) -> Self {
 150        log::info!("[assistant2-debug] AssistantPanel::new");
 151        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 152        let fs = workspace.app_state().fs.clone();
 153        let project = workspace.project().clone();
 154        let language_registry = project.read(cx).languages().clone();
 155        let workspace = workspace.weak_handle();
 156        let weak_self = cx.entity().downgrade();
 157
 158        let message_editor = cx.new(|cx| {
 159            MessageEditor::new(
 160                fs.clone(),
 161                workspace.clone(),
 162                thread_store.downgrade(),
 163                thread.clone(),
 164                window,
 165                cx,
 166            )
 167        });
 168
 169        let history_store =
 170            cx.new(|cx| HistoryStore::new(thread_store.clone(), context_store.clone(), cx));
 171
 172        let thread = cx.new(|cx| {
 173            ActiveThread::new(
 174                thread.clone(),
 175                thread_store.clone(),
 176                language_registry.clone(),
 177                window,
 178                cx,
 179            )
 180        });
 181
 182        Self {
 183            active_view: ActiveView::Thread,
 184            workspace,
 185            project: project.clone(),
 186            fs: fs.clone(),
 187            language_registry,
 188            thread_store: thread_store.clone(),
 189            thread,
 190            message_editor,
 191            context_store,
 192            context_editor: None,
 193            configuration: None,
 194            configuration_subscription: None,
 195            local_timezone: UtcOffset::from_whole_seconds(
 196                chrono::Local::now().offset().local_minus_utc(),
 197            )
 198            .unwrap(),
 199            history_store: history_store.clone(),
 200            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, cx)),
 201            new_item_context_menu_handle: PopoverMenuHandle::default(),
 202            width: None,
 203            height: None,
 204        }
 205    }
 206
 207    pub fn toggle_focus(
 208        workspace: &mut Workspace,
 209        _: &ToggleFocus,
 210        window: &mut Window,
 211        cx: &mut Context<Workspace>,
 212    ) {
 213        let settings = AssistantSettings::get_global(cx);
 214        if !settings.enabled {
 215            return;
 216        }
 217
 218        workspace.toggle_panel_focus::<Self>(window, cx);
 219    }
 220
 221    pub(crate) fn local_timezone(&self) -> UtcOffset {
 222        self.local_timezone
 223    }
 224
 225    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 226        &self.thread_store
 227    }
 228
 229    fn cancel(
 230        &mut self,
 231        _: &editor::actions::Cancel,
 232        _window: &mut Window,
 233        cx: &mut Context<Self>,
 234    ) {
 235        self.thread
 236            .update(cx, |thread, cx| thread.cancel_last_completion(cx));
 237    }
 238
 239    fn new_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 240        let thread = self
 241            .thread_store
 242            .update(cx, |this, cx| this.create_thread(cx));
 243
 244        self.active_view = ActiveView::Thread;
 245        self.thread = cx.new(|cx| {
 246            ActiveThread::new(
 247                thread.clone(),
 248                self.thread_store.clone(),
 249                self.language_registry.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.language_registry.clone(),
 383                        window,
 384                        cx,
 385                    )
 386                });
 387                this.message_editor = cx.new(|cx| {
 388                    MessageEditor::new(
 389                        this.fs.clone(),
 390                        this.workspace.clone(),
 391                        this.thread_store.downgrade(),
 392                        thread,
 393                        window,
 394                        cx,
 395                    )
 396                });
 397                this.message_editor.focus_handle(cx).focus(window);
 398            })
 399        })
 400    }
 401
 402    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 403        self.active_view = ActiveView::Configuration;
 404        self.configuration = Some(cx.new(|cx| AssistantConfiguration::new(window, cx)));
 405
 406        if let Some(configuration) = self.configuration.as_ref() {
 407            self.configuration_subscription = Some(cx.subscribe_in(
 408                configuration,
 409                window,
 410                Self::handle_assistant_configuration_event,
 411            ));
 412
 413            configuration.focus_handle(cx).focus(window);
 414        }
 415    }
 416
 417    pub(crate) fn open_active_thread_as_markdown(
 418        &mut self,
 419        _: &OpenActiveThreadAsMarkdown,
 420        window: &mut Window,
 421        cx: &mut Context<Self>,
 422    ) {
 423        let Some(workspace) = self
 424            .workspace
 425            .upgrade()
 426            .ok_or_else(|| anyhow!("workspace dropped"))
 427            .log_err()
 428        else {
 429            return;
 430        };
 431
 432        let markdown_language_task = workspace
 433            .read(cx)
 434            .app_state()
 435            .languages
 436            .language_for_name("Markdown");
 437        let thread = self.active_thread(cx);
 438        cx.spawn_in(window, |_this, mut cx| async move {
 439            let markdown_language = markdown_language_task.await?;
 440
 441            workspace.update_in(&mut cx, |workspace, window, cx| {
 442                let thread = thread.read(cx);
 443                let markdown = thread.to_markdown()?;
 444                let thread_summary = thread
 445                    .summary()
 446                    .map(|summary| summary.to_string())
 447                    .unwrap_or_else(|| "Thread".to_string());
 448
 449                let project = workspace.project().clone();
 450                let buffer = project.update(cx, |project, cx| {
 451                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
 452                });
 453                let buffer = cx.new(|cx| {
 454                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
 455                });
 456
 457                workspace.add_item_to_active_pane(
 458                    Box::new(cx.new(|cx| {
 459                        let mut editor =
 460                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
 461                        editor.set_breadcrumb_header(thread_summary);
 462                        editor
 463                    })),
 464                    None,
 465                    true,
 466                    window,
 467                    cx,
 468                );
 469
 470                anyhow::Ok(())
 471            })
 472        })
 473        .detach_and_log_err(cx);
 474    }
 475
 476    fn handle_assistant_configuration_event(
 477        &mut self,
 478        _entity: &Entity<AssistantConfiguration>,
 479        event: &AssistantConfigurationEvent,
 480        window: &mut Window,
 481        cx: &mut Context<Self>,
 482    ) {
 483        match event {
 484            AssistantConfigurationEvent::NewThread(provider) => {
 485                if LanguageModelRegistry::read_global(cx)
 486                    .active_provider()
 487                    .map_or(true, |active_provider| {
 488                        active_provider.id() != provider.id()
 489                    })
 490                {
 491                    if let Some(model) = provider.default_model(cx) {
 492                        update_settings_file::<AssistantSettings>(
 493                            self.fs.clone(),
 494                            cx,
 495                            move |settings, _| settings.set_model(model),
 496                        );
 497                    }
 498                }
 499
 500                self.new_thread(window, cx);
 501            }
 502        }
 503    }
 504
 505    pub(crate) fn active_thread(&self, cx: &App) -> Entity<Thread> {
 506        self.thread.read(cx).thread().clone()
 507    }
 508
 509    pub(crate) fn delete_thread(&mut self, thread_id: &ThreadId, cx: &mut Context<Self>) {
 510        self.thread_store
 511            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
 512            .detach_and_log_err(cx);
 513    }
 514
 515    pub(crate) fn active_context_editor(&self) -> Option<Entity<ContextEditor>> {
 516        self.context_editor.clone()
 517    }
 518
 519    pub(crate) fn delete_context(&mut self, path: PathBuf, cx: &mut Context<Self>) {
 520        self.context_store
 521            .update(cx, |this, cx| this.delete_local_context(path, cx))
 522            .detach_and_log_err(cx);
 523    }
 524}
 525
 526impl Focusable for AssistantPanel {
 527    fn focus_handle(&self, cx: &App) -> FocusHandle {
 528        match self.active_view {
 529            ActiveView::Thread => self.message_editor.focus_handle(cx),
 530            ActiveView::History => self.history.focus_handle(cx),
 531            ActiveView::PromptEditor => {
 532                if let Some(context_editor) = self.context_editor.as_ref() {
 533                    context_editor.focus_handle(cx)
 534                } else {
 535                    cx.focus_handle()
 536                }
 537            }
 538            ActiveView::Configuration => {
 539                if let Some(configuration) = self.configuration.as_ref() {
 540                    configuration.focus_handle(cx)
 541                } else {
 542                    cx.focus_handle()
 543                }
 544            }
 545        }
 546    }
 547}
 548
 549impl EventEmitter<PanelEvent> for AssistantPanel {}
 550
 551impl Panel for AssistantPanel {
 552    fn persistent_name() -> &'static str {
 553        "AssistantPanel2"
 554    }
 555
 556    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
 557        match AssistantSettings::get_global(cx).dock {
 558            AssistantDockPosition::Left => DockPosition::Left,
 559            AssistantDockPosition::Bottom => DockPosition::Bottom,
 560            AssistantDockPosition::Right => DockPosition::Right,
 561        }
 562    }
 563
 564    fn position_is_valid(&self, _: DockPosition) -> bool {
 565        true
 566    }
 567
 568    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
 569        settings::update_settings_file::<AssistantSettings>(
 570            self.fs.clone(),
 571            cx,
 572            move |settings, _| {
 573                let dock = match position {
 574                    DockPosition::Left => AssistantDockPosition::Left,
 575                    DockPosition::Bottom => AssistantDockPosition::Bottom,
 576                    DockPosition::Right => AssistantDockPosition::Right,
 577                };
 578                settings.set_dock(dock);
 579            },
 580        );
 581    }
 582
 583    fn size(&self, window: &Window, cx: &App) -> Pixels {
 584        let settings = AssistantSettings::get_global(cx);
 585        match self.position(window, cx) {
 586            DockPosition::Left | DockPosition::Right => {
 587                self.width.unwrap_or(settings.default_width)
 588            }
 589            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
 590        }
 591    }
 592
 593    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
 594        match self.position(window, cx) {
 595            DockPosition::Left | DockPosition::Right => self.width = size,
 596            DockPosition::Bottom => self.height = size,
 597        }
 598        cx.notify();
 599    }
 600
 601    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
 602
 603    fn remote_id() -> Option<proto::PanelId> {
 604        Some(proto::PanelId::AssistantPanel)
 605    }
 606
 607    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
 608        let settings = AssistantSettings::get_global(cx);
 609        if !settings.enabled || !settings.button {
 610            return None;
 611        }
 612
 613        Some(IconName::ZedAssistant)
 614    }
 615
 616    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
 617        Some("Assistant Panel")
 618    }
 619
 620    fn toggle_action(&self) -> Box<dyn Action> {
 621        Box::new(ToggleFocus)
 622    }
 623
 624    fn activation_priority(&self) -> u32 {
 625        3
 626    }
 627}
 628
 629impl AssistantPanel {
 630    fn render_toolbar(&self, cx: &mut Context<Self>) -> impl IntoElement {
 631        let thread = self.thread.read(cx);
 632
 633        let title = match self.active_view {
 634            ActiveView::Thread => {
 635                if thread.is_empty() {
 636                    thread.summary_or_default(cx)
 637                } else {
 638                    thread
 639                        .summary(cx)
 640                        .unwrap_or_else(|| SharedString::from("Loading Summary…"))
 641                }
 642            }
 643            ActiveView::PromptEditor => self
 644                .context_editor
 645                .as_ref()
 646                .map(|context_editor| {
 647                    SharedString::from(context_editor.read(cx).title(cx).to_string())
 648                })
 649                .unwrap_or_else(|| SharedString::from("Loading Summary…")),
 650            ActiveView::History => "History".into(),
 651            ActiveView::Configuration => "Assistant Settings".into(),
 652        };
 653
 654        h_flex()
 655            .id("assistant-toolbar")
 656            .h(Tab::container_height(cx))
 657            .flex_none()
 658            .justify_between()
 659            .gap(DynamicSpacing::Base08.rems(cx))
 660            .bg(cx.theme().colors().tab_bar_background)
 661            .border_b_1()
 662            .border_color(cx.theme().colors().border)
 663            .child(
 664                div()
 665                    .id("title")
 666                    .overflow_x_scroll()
 667                    .px(DynamicSpacing::Base08.rems(cx))
 668                    .child(Label::new(title).truncate()),
 669            )
 670            .child(
 671                h_flex()
 672                    .h_full()
 673                    .pl_2()
 674                    .gap_2()
 675                    .bg(cx.theme().colors().tab_bar_background)
 676                    .children(if matches!(self.active_view, ActiveView::PromptEditor) {
 677                        self.context_editor
 678                            .as_ref()
 679                            .and_then(|editor| render_remaining_tokens(editor, cx))
 680                    } else {
 681                        None
 682                    })
 683                    .child(
 684                        h_flex()
 685                            .h_full()
 686                            .px(DynamicSpacing::Base08.rems(cx))
 687                            .border_l_1()
 688                            .border_color(cx.theme().colors().border)
 689                            .gap(DynamicSpacing::Base02.rems(cx))
 690                            .child(
 691                                PopoverMenu::new("assistant-toolbar-new-popover-menu")
 692                                    .trigger_with_tooltip(
 693                                        IconButton::new("new", IconName::Plus)
 694                                            .icon_size(IconSize::Small)
 695                                            .style(ButtonStyle::Subtle),
 696                                        Tooltip::text("New…"),
 697                                    )
 698                                    .anchor(Corner::TopRight)
 699                                    .with_handle(self.new_item_context_menu_handle.clone())
 700                                    .menu(move |window, cx| {
 701                                        Some(ContextMenu::build(
 702                                            window,
 703                                            cx,
 704                                            |menu, _window, _cx| {
 705                                                menu.action("New Thread", NewThread.boxed_clone())
 706                                                    .action(
 707                                                        "New Prompt Editor",
 708                                                        NewPromptEditor.boxed_clone(),
 709                                                    )
 710                                            },
 711                                        ))
 712                                    }),
 713                            )
 714                            .child(
 715                                IconButton::new("open-history", IconName::HistoryRerun)
 716                                    .icon_size(IconSize::Small)
 717                                    .style(ButtonStyle::Subtle)
 718                                    .tooltip({
 719                                        let focus_handle = self.focus_handle(cx);
 720                                        move |window, cx| {
 721                                            Tooltip::for_action_in(
 722                                                "History",
 723                                                &OpenHistory,
 724                                                &focus_handle,
 725                                                window,
 726                                                cx,
 727                                            )
 728                                        }
 729                                    })
 730                                    .on_click(move |_event, window, cx| {
 731                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
 732                                    }),
 733                            )
 734                            .child(
 735                                IconButton::new("configure-assistant", IconName::Settings)
 736                                    .icon_size(IconSize::Small)
 737                                    .style(ButtonStyle::Subtle)
 738                                    .tooltip(Tooltip::text("Assistant Settings"))
 739                                    .on_click(move |_event, window, cx| {
 740                                        window.dispatch_action(OpenConfiguration.boxed_clone(), cx);
 741                                    }),
 742                            ),
 743                    ),
 744            )
 745    }
 746
 747    fn render_active_thread_or_empty_state(
 748        &self,
 749        window: &mut Window,
 750        cx: &mut Context<Self>,
 751    ) -> AnyElement {
 752        if self.thread.read(cx).is_empty() {
 753            return self
 754                .render_thread_empty_state(window, cx)
 755                .into_any_element();
 756        }
 757
 758        self.thread.clone().into_any_element()
 759    }
 760
 761    fn configuration_error(&self, cx: &App) -> Option<ConfigurationError> {
 762        let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
 763            return Some(ConfigurationError::NoProvider);
 764        };
 765
 766        if !provider.is_authenticated(cx) {
 767            return Some(ConfigurationError::ProviderNotAuthenticated);
 768        }
 769
 770        if provider.must_accept_terms(cx) {
 771            return Some(ConfigurationError::ProviderPendingTermsAcceptance(provider));
 772        }
 773
 774        None
 775    }
 776
 777    fn render_thread_empty_state(
 778        &self,
 779        window: &mut Window,
 780        cx: &mut Context<Self>,
 781    ) -> impl IntoElement {
 782        let recent_history = self
 783            .history_store
 784            .update(cx, |this, cx| this.recent_entries(6, cx));
 785
 786        let create_welcome_heading = || {
 787            h_flex()
 788                .w_full()
 789                .child(Headline::new("Welcome to the Assistant Panel").size(HeadlineSize::Small))
 790        };
 791
 792        let configuration_error = self.configuration_error(cx);
 793        let no_error = configuration_error.is_none();
 794
 795        v_flex()
 796            .p_1p5()
 797            .size_full()
 798            .justify_end()
 799            .gap_1()
 800            .map(|parent| {
 801                match configuration_error {
 802                    Some(ConfigurationError::ProviderNotAuthenticated)
 803                    | Some(ConfigurationError::NoProvider) => {
 804                        parent.child(
 805                            v_flex()
 806                                .px_1p5()
 807                                .gap_0p5()
 808                                .child(create_welcome_heading())
 809                                .child(
 810                                    Label::new(
 811                                        "To start using the assistant, configure at least one LLM provider.",
 812                                    )
 813                                    .color(Color::Muted),
 814                                )
 815                                .child(
 816                                    h_flex().mt_1().w_full().child(
 817                                        Button::new("open-configuration", "Configure a Provider")
 818                                            .size(ButtonSize::Compact)
 819                                            .icon(Some(IconName::Sliders))
 820                                            .icon_size(IconSize::Small)
 821                                            .icon_position(IconPosition::Start)
 822                                            .on_click(cx.listener(|this, _, window, cx| {
 823                                                this.open_configuration(window, cx);
 824                                            })),
 825                                    ),
 826                                ),
 827                        )
 828                    }
 829                    Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => parent
 830                        .child(v_flex().px_1p5().gap_0p5().child(create_welcome_heading()).children(
 831                            provider.render_accept_terms(
 832                                LanguageModelProviderTosView::ThreadEmptyState,
 833                                cx,
 834                            ),
 835                        )),
 836                    None => parent,
 837                }
 838            })
 839            .when(recent_history.is_empty() && no_error, |parent| {
 840                parent.child(v_flex().gap_0p5().child(create_welcome_heading()).child(
 841                    Label::new("Start typing to chat with your codebase").color(Color::Muted),
 842                ))
 843            })
 844            .when(!recent_history.is_empty(), |parent| {
 845                parent
 846                    .child(
 847                        h_flex()
 848                            .pl_1p5()
 849                            .pb_1()
 850                            .w_full()
 851                            .justify_between()
 852                            .border_b_1()
 853                            .border_color(cx.theme().colors().border_variant)
 854                            .child(
 855                                Label::new("Past Interactions")
 856                                    .size(LabelSize::Small)
 857                                    .color(Color::Muted),
 858                            )
 859                            .child(
 860                                Button::new("view-history", "View All")
 861                                    .style(ButtonStyle::Subtle)
 862                                    .label_size(LabelSize::Small)
 863                                    .key_binding(KeyBinding::for_action_in(
 864                                        &OpenHistory,
 865                                        &self.focus_handle(cx),
 866                                        window,
 867                                        cx,
 868                                    ))
 869                                    .on_click(move |_event, window, cx| {
 870                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
 871                                    }),
 872                            ),
 873                    )
 874                    .child(v_flex().gap_1().children(
 875                        recent_history.into_iter().map(|entry| {
 876                            // TODO: Add keyboard navigation.
 877                            match entry {
 878                                HistoryEntry::Thread(thread) => {
 879                                    PastThread::new(thread, cx.entity().downgrade(), false)
 880                                        .into_any_element()
 881                                }
 882                                HistoryEntry::Context(context) => {
 883                                    PastContext::new(context, cx.entity().downgrade(), false)
 884                                        .into_any_element()
 885                                }
 886                            }
 887                        }),
 888                    ))
 889            })
 890    }
 891
 892    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
 893        let last_error = self.thread.read(cx).last_error()?;
 894
 895        Some(
 896            div()
 897                .absolute()
 898                .right_3()
 899                .bottom_12()
 900                .max_w_96()
 901                .py_2()
 902                .px_3()
 903                .elevation_2(cx)
 904                .occlude()
 905                .child(match last_error {
 906                    ThreadError::PaymentRequired => self.render_payment_required_error(cx),
 907                    ThreadError::MaxMonthlySpendReached => {
 908                        self.render_max_monthly_spend_reached_error(cx)
 909                    }
 910                    ThreadError::Message(error_message) => {
 911                        self.render_error_message(&error_message, cx)
 912                    }
 913                })
 914                .into_any(),
 915        )
 916    }
 917
 918    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
 919        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.";
 920
 921        v_flex()
 922            .gap_0p5()
 923            .child(
 924                h_flex()
 925                    .gap_1p5()
 926                    .items_center()
 927                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 928                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
 929            )
 930            .child(
 931                div()
 932                    .id("error-message")
 933                    .max_h_24()
 934                    .overflow_y_scroll()
 935                    .child(Label::new(ERROR_MESSAGE)),
 936            )
 937            .child(
 938                h_flex()
 939                    .justify_end()
 940                    .mt_1()
 941                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
 942                        |this, _, _, cx| {
 943                            this.thread.update(cx, |this, _cx| {
 944                                this.clear_last_error();
 945                            });
 946
 947                            cx.open_url(&zed_urls::account_url(cx));
 948                            cx.notify();
 949                        },
 950                    )))
 951                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
 952                        |this, _, _, cx| {
 953                            this.thread.update(cx, |this, _cx| {
 954                                this.clear_last_error();
 955                            });
 956
 957                            cx.notify();
 958                        },
 959                    ))),
 960            )
 961            .into_any()
 962    }
 963
 964    fn render_max_monthly_spend_reached_error(&self, cx: &mut Context<Self>) -> AnyElement {
 965        const ERROR_MESSAGE: &str = "You have reached your maximum monthly spend. Increase your spend limit to continue using Zed LLMs.";
 966
 967        v_flex()
 968            .gap_0p5()
 969            .child(
 970                h_flex()
 971                    .gap_1p5()
 972                    .items_center()
 973                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 974                    .child(Label::new("Max Monthly Spend Reached").weight(FontWeight::MEDIUM)),
 975            )
 976            .child(
 977                div()
 978                    .id("error-message")
 979                    .max_h_24()
 980                    .overflow_y_scroll()
 981                    .child(Label::new(ERROR_MESSAGE)),
 982            )
 983            .child(
 984                h_flex()
 985                    .justify_end()
 986                    .mt_1()
 987                    .child(
 988                        Button::new("subscribe", "Update Monthly Spend Limit").on_click(
 989                            cx.listener(|this, _, _, cx| {
 990                                this.thread.update(cx, |this, _cx| {
 991                                    this.clear_last_error();
 992                                });
 993
 994                                cx.open_url(&zed_urls::account_url(cx));
 995                                cx.notify();
 996                            }),
 997                        ),
 998                    )
 999                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
1000                        |this, _, _, cx| {
1001                            this.thread.update(cx, |this, _cx| {
1002                                this.clear_last_error();
1003                            });
1004
1005                            cx.notify();
1006                        },
1007                    ))),
1008            )
1009            .into_any()
1010    }
1011
1012    fn render_error_message(
1013        &self,
1014        error_message: &SharedString,
1015        cx: &mut Context<Self>,
1016    ) -> AnyElement {
1017        v_flex()
1018            .gap_0p5()
1019            .child(
1020                h_flex()
1021                    .gap_1p5()
1022                    .items_center()
1023                    .child(Icon::new(IconName::XCircle).color(Color::Error))
1024                    .child(
1025                        Label::new("Error interacting with language model")
1026                            .weight(FontWeight::MEDIUM),
1027                    ),
1028            )
1029            .child(
1030                div()
1031                    .id("error-message")
1032                    .max_h_32()
1033                    .overflow_y_scroll()
1034                    .child(Label::new(error_message.clone())),
1035            )
1036            .child(
1037                h_flex()
1038                    .justify_end()
1039                    .mt_1()
1040                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
1041                        |this, _, _, cx| {
1042                            this.thread.update(cx, |this, _cx| {
1043                                this.clear_last_error();
1044                            });
1045
1046                            cx.notify();
1047                        },
1048                    ))),
1049            )
1050            .into_any()
1051    }
1052
1053    fn key_context(&self) -> KeyContext {
1054        let mut key_context = KeyContext::new_with_defaults();
1055        key_context.add("AssistantPanel2");
1056        if matches!(self.active_view, ActiveView::PromptEditor) {
1057            key_context.add("prompt_editor");
1058        }
1059        key_context
1060    }
1061}
1062
1063impl Render for AssistantPanel {
1064    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1065        v_flex()
1066            .key_context(self.key_context())
1067            .justify_between()
1068            .size_full()
1069            .on_action(cx.listener(Self::cancel))
1070            .on_action(cx.listener(|this, _: &NewThread, window, cx| {
1071                this.new_thread(window, cx);
1072            }))
1073            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
1074                this.open_history(window, cx);
1075            }))
1076            .on_action(cx.listener(Self::open_active_thread_as_markdown))
1077            .on_action(cx.listener(Self::deploy_prompt_library))
1078            .child(self.render_toolbar(cx))
1079            .map(|parent| match self.active_view {
1080                ActiveView::Thread => parent
1081                    .child(self.render_active_thread_or_empty_state(window, cx))
1082                    .child(h_flex().child(self.message_editor.clone()))
1083                    .children(self.render_last_error(cx)),
1084                ActiveView::History => parent.child(self.history.clone()),
1085                ActiveView::PromptEditor => parent.children(self.context_editor.clone()),
1086                ActiveView::Configuration => parent.children(self.configuration.clone()),
1087            })
1088    }
1089}
1090
1091struct PromptLibraryInlineAssist {
1092    workspace: WeakEntity<Workspace>,
1093}
1094
1095impl PromptLibraryInlineAssist {
1096    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
1097        Self { workspace }
1098    }
1099}
1100
1101impl prompt_library::InlineAssistDelegate for PromptLibraryInlineAssist {
1102    fn assist(
1103        &self,
1104        prompt_editor: &Entity<Editor>,
1105        _initial_prompt: Option<String>,
1106        window: &mut Window,
1107        cx: &mut Context<PromptLibrary>,
1108    ) {
1109        InlineAssistant::update_global(cx, |assistant, cx| {
1110            assistant.assist(&prompt_editor, self.workspace.clone(), None, window, cx)
1111        })
1112    }
1113
1114    fn focus_assistant_panel(
1115        &self,
1116        workspace: &mut Workspace,
1117        window: &mut Window,
1118        cx: &mut Context<Workspace>,
1119    ) -> bool {
1120        workspace
1121            .focus_panel::<AssistantPanel>(window, cx)
1122            .is_some()
1123    }
1124}
1125
1126pub struct ConcreteAssistantPanelDelegate;
1127
1128impl AssistantPanelDelegate for ConcreteAssistantPanelDelegate {
1129    fn active_context_editor(
1130        &self,
1131        workspace: &mut Workspace,
1132        _window: &mut Window,
1133        cx: &mut Context<Workspace>,
1134    ) -> Option<Entity<ContextEditor>> {
1135        let panel = workspace.panel::<AssistantPanel>(cx)?;
1136        panel.update(cx, |panel, _cx| panel.context_editor.clone())
1137    }
1138
1139    fn open_saved_context(
1140        &self,
1141        workspace: &mut Workspace,
1142        path: std::path::PathBuf,
1143        window: &mut Window,
1144        cx: &mut Context<Workspace>,
1145    ) -> Task<Result<()>> {
1146        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
1147            return Task::ready(Err(anyhow!("Assistant panel not found")));
1148        };
1149
1150        panel.update(cx, |panel, cx| {
1151            panel.open_saved_prompt_editor(path, window, cx)
1152        })
1153    }
1154
1155    fn open_remote_context(
1156        &self,
1157        _workspace: &mut Workspace,
1158        _context_id: assistant_context_editor::ContextId,
1159        _window: &mut Window,
1160        _cx: &mut Context<Workspace>,
1161    ) -> Task<Result<Entity<ContextEditor>>> {
1162        Task::ready(Err(anyhow!("opening remote context not implemented")))
1163    }
1164
1165    fn quote_selection(
1166        &self,
1167        _workspace: &mut Workspace,
1168        _creases: Vec<(String, String)>,
1169        _window: &mut Window,
1170        _cx: &mut Context<Workspace>,
1171    ) {
1172    }
1173}