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_context_store =
 159            cx.new(|_cx| crate::context_store::ContextStore::new(workspace.clone()));
 160
 161        let message_editor = cx.new(|cx| {
 162            MessageEditor::new(
 163                fs.clone(),
 164                workspace.clone(),
 165                message_editor_context_store.clone(),
 166                thread_store.downgrade(),
 167                thread.clone(),
 168                window,
 169                cx,
 170            )
 171        });
 172
 173        let history_store =
 174            cx.new(|cx| HistoryStore::new(thread_store.clone(), context_store.clone(), cx));
 175
 176        let thread = cx.new(|cx| {
 177            ActiveThread::new(
 178                thread.clone(),
 179                thread_store.clone(),
 180                language_registry.clone(),
 181                message_editor_context_store.clone(),
 182                window,
 183                cx,
 184            )
 185        });
 186
 187        Self {
 188            active_view: ActiveView::Thread,
 189            workspace,
 190            project: project.clone(),
 191            fs: fs.clone(),
 192            language_registry,
 193            thread_store: thread_store.clone(),
 194            thread,
 195            message_editor,
 196            context_store,
 197            context_editor: None,
 198            configuration: None,
 199            configuration_subscription: None,
 200            local_timezone: UtcOffset::from_whole_seconds(
 201                chrono::Local::now().offset().local_minus_utc(),
 202            )
 203            .unwrap(),
 204            history_store: history_store.clone(),
 205            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, cx)),
 206            new_item_context_menu_handle: PopoverMenuHandle::default(),
 207            width: None,
 208            height: None,
 209        }
 210    }
 211
 212    pub fn toggle_focus(
 213        workspace: &mut Workspace,
 214        _: &ToggleFocus,
 215        window: &mut Window,
 216        cx: &mut Context<Workspace>,
 217    ) {
 218        let settings = AssistantSettings::get_global(cx);
 219        if !settings.enabled {
 220            return;
 221        }
 222
 223        workspace.toggle_panel_focus::<Self>(window, cx);
 224    }
 225
 226    pub(crate) fn local_timezone(&self) -> UtcOffset {
 227        self.local_timezone
 228    }
 229
 230    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 231        &self.thread_store
 232    }
 233
 234    fn cancel(
 235        &mut self,
 236        _: &editor::actions::Cancel,
 237        _window: &mut Window,
 238        cx: &mut Context<Self>,
 239    ) {
 240        self.thread
 241            .update(cx, |thread, cx| thread.cancel_last_completion(cx));
 242    }
 243
 244    fn new_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 245        let thread = self
 246            .thread_store
 247            .update(cx, |this, cx| this.create_thread(cx));
 248
 249        self.active_view = ActiveView::Thread;
 250
 251        let message_editor_context_store =
 252            cx.new(|_cx| crate::context_store::ContextStore::new(self.workspace.clone()));
 253
 254        self.thread = cx.new(|cx| {
 255            ActiveThread::new(
 256                thread.clone(),
 257                self.thread_store.clone(),
 258                self.language_registry.clone(),
 259                message_editor_context_store.clone(),
 260                window,
 261                cx,
 262            )
 263        });
 264        self.message_editor = cx.new(|cx| {
 265            MessageEditor::new(
 266                self.fs.clone(),
 267                self.workspace.clone(),
 268                message_editor_context_store,
 269                self.thread_store.downgrade(),
 270                thread,
 271                window,
 272                cx,
 273            )
 274        });
 275        self.message_editor.focus_handle(cx).focus(window);
 276    }
 277
 278    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 279        self.active_view = ActiveView::PromptEditor;
 280
 281        let context = self
 282            .context_store
 283            .update(cx, |context_store, cx| context_store.create(cx));
 284        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 285            .log_err()
 286            .flatten();
 287
 288        self.context_editor = Some(cx.new(|cx| {
 289            let mut editor = ContextEditor::for_context(
 290                context,
 291                self.fs.clone(),
 292                self.workspace.clone(),
 293                self.project.clone(),
 294                lsp_adapter_delegate,
 295                window,
 296                cx,
 297            );
 298            editor.insert_default_prompt(window, cx);
 299            editor
 300        }));
 301
 302        if let Some(context_editor) = self.context_editor.as_ref() {
 303            context_editor.focus_handle(cx).focus(window);
 304        }
 305    }
 306
 307    fn deploy_prompt_library(
 308        &mut self,
 309        _: &DeployPromptLibrary,
 310        _window: &mut Window,
 311        cx: &mut Context<Self>,
 312    ) {
 313        open_prompt_library(
 314            self.language_registry.clone(),
 315            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
 316            Arc::new(|| {
 317                Box::new(SlashCommandCompletionProvider::new(
 318                    Arc::new(SlashCommandWorkingSet::default()),
 319                    None,
 320                    None,
 321                ))
 322            }),
 323            cx,
 324        )
 325        .detach_and_log_err(cx);
 326    }
 327
 328    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 329        self.thread_store
 330            .update(cx, |thread_store, cx| thread_store.reload(cx))
 331            .detach_and_log_err(cx);
 332        self.active_view = ActiveView::History;
 333        self.history.focus_handle(cx).focus(window);
 334        cx.notify();
 335    }
 336
 337    pub(crate) fn open_saved_prompt_editor(
 338        &mut self,
 339        path: PathBuf,
 340        window: &mut Window,
 341        cx: &mut Context<Self>,
 342    ) -> Task<Result<()>> {
 343        let context = self
 344            .context_store
 345            .update(cx, |store, cx| store.open_local_context(path.clone(), cx));
 346        let fs = self.fs.clone();
 347        let project = self.project.clone();
 348        let workspace = self.workspace.clone();
 349
 350        let lsp_adapter_delegate = make_lsp_adapter_delegate(&project, cx).log_err().flatten();
 351
 352        cx.spawn_in(window, |this, mut cx| async move {
 353            let context = context.await?;
 354            this.update_in(&mut cx, |this, window, cx| {
 355                let editor = cx.new(|cx| {
 356                    ContextEditor::for_context(
 357                        context,
 358                        fs,
 359                        workspace,
 360                        project,
 361                        lsp_adapter_delegate,
 362                        window,
 363                        cx,
 364                    )
 365                });
 366                this.active_view = ActiveView::PromptEditor;
 367                this.context_editor = Some(editor);
 368
 369                anyhow::Ok(())
 370            })??;
 371            Ok(())
 372        })
 373    }
 374
 375    pub(crate) fn open_thread(
 376        &mut self,
 377        thread_id: &ThreadId,
 378        window: &mut Window,
 379        cx: &mut Context<Self>,
 380    ) -> Task<Result<()>> {
 381        let open_thread_task = self
 382            .thread_store
 383            .update(cx, |this, cx| this.open_thread(thread_id, cx));
 384
 385        cx.spawn_in(window, |this, mut cx| async move {
 386            let thread = open_thread_task.await?;
 387            this.update_in(&mut cx, |this, window, cx| {
 388                this.active_view = ActiveView::Thread;
 389                let message_editor_context_store =
 390                    cx.new(|_cx| crate::context_store::ContextStore::new(this.workspace.clone()));
 391                this.thread = cx.new(|cx| {
 392                    ActiveThread::new(
 393                        thread.clone(),
 394                        this.thread_store.clone(),
 395                        this.language_registry.clone(),
 396                        message_editor_context_store.clone(),
 397                        window,
 398                        cx,
 399                    )
 400                });
 401                this.message_editor = cx.new(|cx| {
 402                    MessageEditor::new(
 403                        this.fs.clone(),
 404                        this.workspace.clone(),
 405                        message_editor_context_store,
 406                        this.thread_store.downgrade(),
 407                        thread,
 408                        window,
 409                        cx,
 410                    )
 411                });
 412                this.message_editor.focus_handle(cx).focus(window);
 413            })
 414        })
 415    }
 416
 417    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 418        let context_server_manager = self.thread_store.read(cx).context_server_manager();
 419
 420        self.active_view = ActiveView::Configuration;
 421        self.configuration =
 422            Some(cx.new(|cx| AssistantConfiguration::new(context_server_manager, window, cx)));
 423
 424        if let Some(configuration) = self.configuration.as_ref() {
 425            self.configuration_subscription = Some(cx.subscribe_in(
 426                configuration,
 427                window,
 428                Self::handle_assistant_configuration_event,
 429            ));
 430
 431            configuration.focus_handle(cx).focus(window);
 432        }
 433    }
 434
 435    pub(crate) fn open_active_thread_as_markdown(
 436        &mut self,
 437        _: &OpenActiveThreadAsMarkdown,
 438        window: &mut Window,
 439        cx: &mut Context<Self>,
 440    ) {
 441        let Some(workspace) = self
 442            .workspace
 443            .upgrade()
 444            .ok_or_else(|| anyhow!("workspace dropped"))
 445            .log_err()
 446        else {
 447            return;
 448        };
 449
 450        let markdown_language_task = workspace
 451            .read(cx)
 452            .app_state()
 453            .languages
 454            .language_for_name("Markdown");
 455        let thread = self.active_thread(cx);
 456        cx.spawn_in(window, |_this, mut cx| async move {
 457            let markdown_language = markdown_language_task.await?;
 458
 459            workspace.update_in(&mut cx, |workspace, window, cx| {
 460                let thread = thread.read(cx);
 461                let markdown = thread.to_markdown()?;
 462                let thread_summary = thread
 463                    .summary()
 464                    .map(|summary| summary.to_string())
 465                    .unwrap_or_else(|| "Thread".to_string());
 466
 467                let project = workspace.project().clone();
 468                let buffer = project.update(cx, |project, cx| {
 469                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
 470                });
 471                let buffer = cx.new(|cx| {
 472                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
 473                });
 474
 475                workspace.add_item_to_active_pane(
 476                    Box::new(cx.new(|cx| {
 477                        let mut editor =
 478                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
 479                        editor.set_breadcrumb_header(thread_summary);
 480                        editor
 481                    })),
 482                    None,
 483                    true,
 484                    window,
 485                    cx,
 486                );
 487
 488                anyhow::Ok(())
 489            })
 490        })
 491        .detach_and_log_err(cx);
 492    }
 493
 494    fn handle_assistant_configuration_event(
 495        &mut self,
 496        _entity: &Entity<AssistantConfiguration>,
 497        event: &AssistantConfigurationEvent,
 498        window: &mut Window,
 499        cx: &mut Context<Self>,
 500    ) {
 501        match event {
 502            AssistantConfigurationEvent::NewThread(provider) => {
 503                if LanguageModelRegistry::read_global(cx)
 504                    .active_provider()
 505                    .map_or(true, |active_provider| {
 506                        active_provider.id() != provider.id()
 507                    })
 508                {
 509                    if let Some(model) = provider.default_model(cx) {
 510                        update_settings_file::<AssistantSettings>(
 511                            self.fs.clone(),
 512                            cx,
 513                            move |settings, _| settings.set_model(model),
 514                        );
 515                    }
 516                }
 517
 518                self.new_thread(window, cx);
 519            }
 520        }
 521    }
 522
 523    pub(crate) fn active_thread(&self, cx: &App) -> Entity<Thread> {
 524        self.thread.read(cx).thread().clone()
 525    }
 526
 527    pub(crate) fn delete_thread(&mut self, thread_id: &ThreadId, cx: &mut Context<Self>) {
 528        self.thread_store
 529            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
 530            .detach_and_log_err(cx);
 531    }
 532
 533    pub(crate) fn active_context_editor(&self) -> Option<Entity<ContextEditor>> {
 534        self.context_editor.clone()
 535    }
 536
 537    pub(crate) fn delete_context(&mut self, path: PathBuf, cx: &mut Context<Self>) {
 538        self.context_store
 539            .update(cx, |this, cx| this.delete_local_context(path, cx))
 540            .detach_and_log_err(cx);
 541    }
 542}
 543
 544impl Focusable for AssistantPanel {
 545    fn focus_handle(&self, cx: &App) -> FocusHandle {
 546        match self.active_view {
 547            ActiveView::Thread => self.message_editor.focus_handle(cx),
 548            ActiveView::History => self.history.focus_handle(cx),
 549            ActiveView::PromptEditor => {
 550                if let Some(context_editor) = self.context_editor.as_ref() {
 551                    context_editor.focus_handle(cx)
 552                } else {
 553                    cx.focus_handle()
 554                }
 555            }
 556            ActiveView::Configuration => {
 557                if let Some(configuration) = self.configuration.as_ref() {
 558                    configuration.focus_handle(cx)
 559                } else {
 560                    cx.focus_handle()
 561                }
 562            }
 563        }
 564    }
 565}
 566
 567impl EventEmitter<PanelEvent> for AssistantPanel {}
 568
 569impl Panel for AssistantPanel {
 570    fn persistent_name() -> &'static str {
 571        "AssistantPanel2"
 572    }
 573
 574    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
 575        match AssistantSettings::get_global(cx).dock {
 576            AssistantDockPosition::Left => DockPosition::Left,
 577            AssistantDockPosition::Bottom => DockPosition::Bottom,
 578            AssistantDockPosition::Right => DockPosition::Right,
 579        }
 580    }
 581
 582    fn position_is_valid(&self, _: DockPosition) -> bool {
 583        true
 584    }
 585
 586    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
 587        settings::update_settings_file::<AssistantSettings>(
 588            self.fs.clone(),
 589            cx,
 590            move |settings, _| {
 591                let dock = match position {
 592                    DockPosition::Left => AssistantDockPosition::Left,
 593                    DockPosition::Bottom => AssistantDockPosition::Bottom,
 594                    DockPosition::Right => AssistantDockPosition::Right,
 595                };
 596                settings.set_dock(dock);
 597            },
 598        );
 599    }
 600
 601    fn size(&self, window: &Window, cx: &App) -> Pixels {
 602        let settings = AssistantSettings::get_global(cx);
 603        match self.position(window, cx) {
 604            DockPosition::Left | DockPosition::Right => {
 605                self.width.unwrap_or(settings.default_width)
 606            }
 607            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
 608        }
 609    }
 610
 611    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
 612        match self.position(window, cx) {
 613            DockPosition::Left | DockPosition::Right => self.width = size,
 614            DockPosition::Bottom => self.height = size,
 615        }
 616        cx.notify();
 617    }
 618
 619    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
 620
 621    fn remote_id() -> Option<proto::PanelId> {
 622        Some(proto::PanelId::AssistantPanel)
 623    }
 624
 625    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
 626        let settings = AssistantSettings::get_global(cx);
 627        if !settings.enabled || !settings.button {
 628            return None;
 629        }
 630
 631        Some(IconName::ZedAssistant)
 632    }
 633
 634    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
 635        Some("Assistant Panel")
 636    }
 637
 638    fn toggle_action(&self) -> Box<dyn Action> {
 639        Box::new(ToggleFocus)
 640    }
 641
 642    fn activation_priority(&self) -> u32 {
 643        3
 644    }
 645}
 646
 647impl AssistantPanel {
 648    fn render_toolbar(&self, cx: &mut Context<Self>) -> impl IntoElement {
 649        let thread = self.thread.read(cx);
 650
 651        let title = match self.active_view {
 652            ActiveView::Thread => {
 653                if thread.is_empty() {
 654                    thread.summary_or_default(cx)
 655                } else {
 656                    thread
 657                        .summary(cx)
 658                        .unwrap_or_else(|| SharedString::from("Loading Summary…"))
 659                }
 660            }
 661            ActiveView::PromptEditor => self
 662                .context_editor
 663                .as_ref()
 664                .map(|context_editor| {
 665                    SharedString::from(context_editor.read(cx).title(cx).to_string())
 666                })
 667                .unwrap_or_else(|| SharedString::from("Loading Summary…")),
 668            ActiveView::History => "History".into(),
 669            ActiveView::Configuration => "Assistant Settings".into(),
 670        };
 671
 672        h_flex()
 673            .id("assistant-toolbar")
 674            .h(Tab::container_height(cx))
 675            .flex_none()
 676            .justify_between()
 677            .gap(DynamicSpacing::Base08.rems(cx))
 678            .bg(cx.theme().colors().tab_bar_background)
 679            .border_b_1()
 680            .border_color(cx.theme().colors().border)
 681            .child(
 682                div()
 683                    .id("title")
 684                    .overflow_x_scroll()
 685                    .px(DynamicSpacing::Base08.rems(cx))
 686                    .child(Label::new(title).truncate()),
 687            )
 688            .child(
 689                h_flex()
 690                    .h_full()
 691                    .pl_2()
 692                    .gap_2()
 693                    .bg(cx.theme().colors().tab_bar_background)
 694                    .children(if matches!(self.active_view, ActiveView::PromptEditor) {
 695                        self.context_editor
 696                            .as_ref()
 697                            .and_then(|editor| render_remaining_tokens(editor, cx))
 698                    } else {
 699                        None
 700                    })
 701                    .child(
 702                        h_flex()
 703                            .h_full()
 704                            .px(DynamicSpacing::Base08.rems(cx))
 705                            .border_l_1()
 706                            .border_color(cx.theme().colors().border)
 707                            .gap(DynamicSpacing::Base02.rems(cx))
 708                            .child(
 709                                PopoverMenu::new("assistant-toolbar-new-popover-menu")
 710                                    .trigger_with_tooltip(
 711                                        IconButton::new("new", IconName::Plus)
 712                                            .icon_size(IconSize::Small)
 713                                            .style(ButtonStyle::Subtle),
 714                                        Tooltip::text("New…"),
 715                                    )
 716                                    .anchor(Corner::TopRight)
 717                                    .with_handle(self.new_item_context_menu_handle.clone())
 718                                    .menu(move |window, cx| {
 719                                        Some(ContextMenu::build(
 720                                            window,
 721                                            cx,
 722                                            |menu, _window, _cx| {
 723                                                menu.action("New Thread", NewThread.boxed_clone())
 724                                                    .action(
 725                                                        "New Prompt Editor",
 726                                                        NewPromptEditor.boxed_clone(),
 727                                                    )
 728                                            },
 729                                        ))
 730                                    }),
 731                            )
 732                            .child(
 733                                IconButton::new("open-history", IconName::HistoryRerun)
 734                                    .icon_size(IconSize::Small)
 735                                    .style(ButtonStyle::Subtle)
 736                                    .tooltip({
 737                                        let focus_handle = self.focus_handle(cx);
 738                                        move |window, cx| {
 739                                            Tooltip::for_action_in(
 740                                                "History",
 741                                                &OpenHistory,
 742                                                &focus_handle,
 743                                                window,
 744                                                cx,
 745                                            )
 746                                        }
 747                                    })
 748                                    .on_click(move |_event, window, cx| {
 749                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
 750                                    }),
 751                            )
 752                            .child(
 753                                IconButton::new("configure-assistant", IconName::Settings)
 754                                    .icon_size(IconSize::Small)
 755                                    .style(ButtonStyle::Subtle)
 756                                    .tooltip(Tooltip::text("Assistant Settings"))
 757                                    .on_click(move |_event, window, cx| {
 758                                        window.dispatch_action(OpenConfiguration.boxed_clone(), cx);
 759                                    }),
 760                            ),
 761                    ),
 762            )
 763    }
 764
 765    fn render_active_thread_or_empty_state(
 766        &self,
 767        window: &mut Window,
 768        cx: &mut Context<Self>,
 769    ) -> AnyElement {
 770        if self.thread.read(cx).is_empty() {
 771            return self
 772                .render_thread_empty_state(window, cx)
 773                .into_any_element();
 774        }
 775
 776        self.thread.clone().into_any_element()
 777    }
 778
 779    fn configuration_error(&self, cx: &App) -> Option<ConfigurationError> {
 780        let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
 781            return Some(ConfigurationError::NoProvider);
 782        };
 783
 784        if !provider.is_authenticated(cx) {
 785            return Some(ConfigurationError::ProviderNotAuthenticated);
 786        }
 787
 788        if provider.must_accept_terms(cx) {
 789            return Some(ConfigurationError::ProviderPendingTermsAcceptance(provider));
 790        }
 791
 792        None
 793    }
 794
 795    fn render_thread_empty_state(
 796        &self,
 797        window: &mut Window,
 798        cx: &mut Context<Self>,
 799    ) -> impl IntoElement {
 800        let recent_history = self
 801            .history_store
 802            .update(cx, |this, cx| this.recent_entries(6, cx));
 803
 804        let create_welcome_heading = || {
 805            h_flex()
 806                .w_full()
 807                .child(Headline::new("Welcome to the Assistant Panel").size(HeadlineSize::Small))
 808        };
 809
 810        let configuration_error = self.configuration_error(cx);
 811        let no_error = configuration_error.is_none();
 812
 813        v_flex()
 814            .p_1p5()
 815            .size_full()
 816            .justify_end()
 817            .gap_1()
 818            .map(|parent| {
 819                match configuration_error {
 820                    Some(ConfigurationError::ProviderNotAuthenticated)
 821                    | Some(ConfigurationError::NoProvider) => {
 822                        parent.child(
 823                            v_flex()
 824                                .px_1p5()
 825                                .gap_0p5()
 826                                .child(create_welcome_heading())
 827                                .child(
 828                                    Label::new(
 829                                        "To start using the assistant, configure at least one LLM provider.",
 830                                    )
 831                                    .color(Color::Muted),
 832                                )
 833                                .child(
 834                                    h_flex().mt_1().w_full().child(
 835                                        Button::new("open-configuration", "Configure a Provider")
 836                                            .size(ButtonSize::Compact)
 837                                            .icon(Some(IconName::Sliders))
 838                                            .icon_size(IconSize::Small)
 839                                            .icon_position(IconPosition::Start)
 840                                            .on_click(cx.listener(|this, _, window, cx| {
 841                                                this.open_configuration(window, cx);
 842                                            })),
 843                                    ),
 844                                ),
 845                        )
 846                    }
 847                    Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => parent
 848                        .child(v_flex().px_1p5().gap_0p5().child(create_welcome_heading()).children(
 849                            provider.render_accept_terms(
 850                                LanguageModelProviderTosView::ThreadEmptyState,
 851                                cx,
 852                            ),
 853                        )),
 854                    None => parent,
 855                }
 856            })
 857            .when(recent_history.is_empty() && no_error, |parent| {
 858                parent.child(v_flex().gap_0p5().child(create_welcome_heading()).child(
 859                    Label::new("Start typing to chat with your codebase").color(Color::Muted),
 860                ))
 861            })
 862            .when(!recent_history.is_empty(), |parent| {
 863                parent
 864                    .child(
 865                        h_flex()
 866                            .pl_1p5()
 867                            .pb_1()
 868                            .w_full()
 869                            .justify_between()
 870                            .border_b_1()
 871                            .border_color(cx.theme().colors().border_variant)
 872                            .child(
 873                                Label::new("Past Interactions")
 874                                    .size(LabelSize::Small)
 875                                    .color(Color::Muted),
 876                            )
 877                            .child(
 878                                Button::new("view-history", "View All")
 879                                    .style(ButtonStyle::Subtle)
 880                                    .label_size(LabelSize::Small)
 881                                    .key_binding(KeyBinding::for_action_in(
 882                                        &OpenHistory,
 883                                        &self.focus_handle(cx),
 884                                        window,
 885                                        cx,
 886                                    ))
 887                                    .on_click(move |_event, window, cx| {
 888                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
 889                                    }),
 890                            ),
 891                    )
 892                    .child(v_flex().gap_1().children(
 893                        recent_history.into_iter().map(|entry| {
 894                            // TODO: Add keyboard navigation.
 895                            match entry {
 896                                HistoryEntry::Thread(thread) => {
 897                                    PastThread::new(thread, cx.entity().downgrade(), false)
 898                                        .into_any_element()
 899                                }
 900                                HistoryEntry::Context(context) => {
 901                                    PastContext::new(context, cx.entity().downgrade(), false)
 902                                        .into_any_element()
 903                                }
 904                            }
 905                        }),
 906                    ))
 907            })
 908    }
 909
 910    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
 911        let last_error = self.thread.read(cx).last_error()?;
 912
 913        Some(
 914            div()
 915                .absolute()
 916                .right_3()
 917                .bottom_12()
 918                .max_w_96()
 919                .py_2()
 920                .px_3()
 921                .elevation_2(cx)
 922                .occlude()
 923                .child(match last_error {
 924                    ThreadError::PaymentRequired => self.render_payment_required_error(cx),
 925                    ThreadError::MaxMonthlySpendReached => {
 926                        self.render_max_monthly_spend_reached_error(cx)
 927                    }
 928                    ThreadError::Message(error_message) => {
 929                        self.render_error_message(&error_message, cx)
 930                    }
 931                })
 932                .into_any(),
 933        )
 934    }
 935
 936    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
 937        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.";
 938
 939        v_flex()
 940            .gap_0p5()
 941            .child(
 942                h_flex()
 943                    .gap_1p5()
 944                    .items_center()
 945                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 946                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
 947            )
 948            .child(
 949                div()
 950                    .id("error-message")
 951                    .max_h_24()
 952                    .overflow_y_scroll()
 953                    .child(Label::new(ERROR_MESSAGE)),
 954            )
 955            .child(
 956                h_flex()
 957                    .justify_end()
 958                    .mt_1()
 959                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
 960                        |this, _, _, cx| {
 961                            this.thread.update(cx, |this, _cx| {
 962                                this.clear_last_error();
 963                            });
 964
 965                            cx.open_url(&zed_urls::account_url(cx));
 966                            cx.notify();
 967                        },
 968                    )))
 969                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
 970                        |this, _, _, cx| {
 971                            this.thread.update(cx, |this, _cx| {
 972                                this.clear_last_error();
 973                            });
 974
 975                            cx.notify();
 976                        },
 977                    ))),
 978            )
 979            .into_any()
 980    }
 981
 982    fn render_max_monthly_spend_reached_error(&self, cx: &mut Context<Self>) -> AnyElement {
 983        const ERROR_MESSAGE: &str = "You have reached your maximum monthly spend. Increase your spend limit to continue using Zed LLMs.";
 984
 985        v_flex()
 986            .gap_0p5()
 987            .child(
 988                h_flex()
 989                    .gap_1p5()
 990                    .items_center()
 991                    .child(Icon::new(IconName::XCircle).color(Color::Error))
 992                    .child(Label::new("Max Monthly Spend Reached").weight(FontWeight::MEDIUM)),
 993            )
 994            .child(
 995                div()
 996                    .id("error-message")
 997                    .max_h_24()
 998                    .overflow_y_scroll()
 999                    .child(Label::new(ERROR_MESSAGE)),
1000            )
1001            .child(
1002                h_flex()
1003                    .justify_end()
1004                    .mt_1()
1005                    .child(
1006                        Button::new("subscribe", "Update Monthly Spend Limit").on_click(
1007                            cx.listener(|this, _, _, cx| {
1008                                this.thread.update(cx, |this, _cx| {
1009                                    this.clear_last_error();
1010                                });
1011
1012                                cx.open_url(&zed_urls::account_url(cx));
1013                                cx.notify();
1014                            }),
1015                        ),
1016                    )
1017                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
1018                        |this, _, _, cx| {
1019                            this.thread.update(cx, |this, _cx| {
1020                                this.clear_last_error();
1021                            });
1022
1023                            cx.notify();
1024                        },
1025                    ))),
1026            )
1027            .into_any()
1028    }
1029
1030    fn render_error_message(
1031        &self,
1032        error_message: &SharedString,
1033        cx: &mut Context<Self>,
1034    ) -> AnyElement {
1035        v_flex()
1036            .gap_0p5()
1037            .child(
1038                h_flex()
1039                    .gap_1p5()
1040                    .items_center()
1041                    .child(Icon::new(IconName::XCircle).color(Color::Error))
1042                    .child(
1043                        Label::new("Error interacting with language model")
1044                            .weight(FontWeight::MEDIUM),
1045                    ),
1046            )
1047            .child(
1048                div()
1049                    .id("error-message")
1050                    .max_h_32()
1051                    .overflow_y_scroll()
1052                    .child(Label::new(error_message.clone())),
1053            )
1054            .child(
1055                h_flex()
1056                    .justify_end()
1057                    .mt_1()
1058                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
1059                        |this, _, _, cx| {
1060                            this.thread.update(cx, |this, _cx| {
1061                                this.clear_last_error();
1062                            });
1063
1064                            cx.notify();
1065                        },
1066                    ))),
1067            )
1068            .into_any()
1069    }
1070
1071    fn key_context(&self) -> KeyContext {
1072        let mut key_context = KeyContext::new_with_defaults();
1073        key_context.add("AssistantPanel2");
1074        if matches!(self.active_view, ActiveView::PromptEditor) {
1075            key_context.add("prompt_editor");
1076        }
1077        key_context
1078    }
1079}
1080
1081impl Render for AssistantPanel {
1082    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1083        v_flex()
1084            .key_context(self.key_context())
1085            .justify_between()
1086            .size_full()
1087            .on_action(cx.listener(Self::cancel))
1088            .on_action(cx.listener(|this, _: &NewThread, window, cx| {
1089                this.new_thread(window, cx);
1090            }))
1091            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
1092                this.open_history(window, cx);
1093            }))
1094            .on_action(cx.listener(Self::open_active_thread_as_markdown))
1095            .on_action(cx.listener(Self::deploy_prompt_library))
1096            .child(self.render_toolbar(cx))
1097            .map(|parent| match self.active_view {
1098                ActiveView::Thread => parent
1099                    .child(self.render_active_thread_or_empty_state(window, cx))
1100                    .child(h_flex().child(self.message_editor.clone()))
1101                    .children(self.render_last_error(cx)),
1102                ActiveView::History => parent.child(self.history.clone()),
1103                ActiveView::PromptEditor => parent.children(self.context_editor.clone()),
1104                ActiveView::Configuration => parent.children(self.configuration.clone()),
1105            })
1106    }
1107}
1108
1109struct PromptLibraryInlineAssist {
1110    workspace: WeakEntity<Workspace>,
1111}
1112
1113impl PromptLibraryInlineAssist {
1114    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
1115        Self { workspace }
1116    }
1117}
1118
1119impl prompt_library::InlineAssistDelegate for PromptLibraryInlineAssist {
1120    fn assist(
1121        &self,
1122        prompt_editor: &Entity<Editor>,
1123        _initial_prompt: Option<String>,
1124        window: &mut Window,
1125        cx: &mut Context<PromptLibrary>,
1126    ) {
1127        InlineAssistant::update_global(cx, |assistant, cx| {
1128            assistant.assist(&prompt_editor, self.workspace.clone(), None, window, cx)
1129        })
1130    }
1131
1132    fn focus_assistant_panel(
1133        &self,
1134        workspace: &mut Workspace,
1135        window: &mut Window,
1136        cx: &mut Context<Workspace>,
1137    ) -> bool {
1138        workspace
1139            .focus_panel::<AssistantPanel>(window, cx)
1140            .is_some()
1141    }
1142}
1143
1144pub struct ConcreteAssistantPanelDelegate;
1145
1146impl AssistantPanelDelegate for ConcreteAssistantPanelDelegate {
1147    fn active_context_editor(
1148        &self,
1149        workspace: &mut Workspace,
1150        _window: &mut Window,
1151        cx: &mut Context<Workspace>,
1152    ) -> Option<Entity<ContextEditor>> {
1153        let panel = workspace.panel::<AssistantPanel>(cx)?;
1154        panel.update(cx, |panel, _cx| panel.context_editor.clone())
1155    }
1156
1157    fn open_saved_context(
1158        &self,
1159        workspace: &mut Workspace,
1160        path: std::path::PathBuf,
1161        window: &mut Window,
1162        cx: &mut Context<Workspace>,
1163    ) -> Task<Result<()>> {
1164        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
1165            return Task::ready(Err(anyhow!("Assistant panel not found")));
1166        };
1167
1168        panel.update(cx, |panel, cx| {
1169            panel.open_saved_prompt_editor(path, window, cx)
1170        })
1171    }
1172
1173    fn open_remote_context(
1174        &self,
1175        _workspace: &mut Workspace,
1176        _context_id: assistant_context_editor::ContextId,
1177        _window: &mut Window,
1178        _cx: &mut Context<Workspace>,
1179    ) -> Task<Result<Entity<ContextEditor>>> {
1180        Task::ready(Err(anyhow!("opening remote context not implemented")))
1181    }
1182
1183    fn quote_selection(
1184        &self,
1185        _workspace: &mut Workspace,
1186        _creases: Vec<(String, String)>,
1187        _window: &mut Window,
1188        _cx: &mut Context<Workspace>,
1189    ) {
1190    }
1191}