active_thread.rs

   1use crate::AssistantPanel;
   2use crate::context::{AssistantContext, ContextId};
   3use crate::context_picker::MentionLink;
   4use crate::thread::{
   5    LastRestoreCheckpoint, MessageId, MessageSegment, RequestKind, Thread, ThreadError,
   6    ThreadEvent, ThreadFeedback,
   7};
   8use crate::thread_store::ThreadStore;
   9use crate::tool_use::{PendingToolUseStatus, ToolUse, ToolUseStatus};
  10use crate::ui::{AddedContext, AgentNotification, AgentNotificationEvent, ContextPill};
  11use anyhow::Context as _;
  12use assistant_settings::{AssistantSettings, NotifyWhenAgentWaiting};
  13use collections::HashMap;
  14use editor::scroll::Autoscroll;
  15use editor::{Editor, MultiBuffer};
  16use gpui::{
  17    AbsoluteLength, Animation, AnimationExt, AnyElement, App, ClickEvent, DefiniteLength,
  18    EdgesRefinement, Empty, Entity, Focusable, Hsla, Length, ListAlignment, ListState, MouseButton,
  19    PlatformDisplay, ScrollHandle, Stateful, StyleRefinement, Subscription, Task,
  20    TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, WindowHandle,
  21    linear_color_stop, linear_gradient, list, percentage, pulsating_between,
  22};
  23use language::{Buffer, LanguageRegistry};
  24use language_model::{LanguageModelRegistry, LanguageModelToolUseId, Role};
  25use markdown::{Markdown, MarkdownStyle};
  26use project::ProjectItem as _;
  27use settings::{Settings as _, update_settings_file};
  28use std::rc::Rc;
  29use std::sync::Arc;
  30use std::time::Duration;
  31use text::ToPoint;
  32use theme::ThemeSettings;
  33use ui::{Disclosure, IconButton, KeyBinding, Scrollbar, ScrollbarState, Tooltip, prelude::*};
  34use util::ResultExt as _;
  35use workspace::{OpenOptions, Workspace};
  36
  37use crate::context_store::ContextStore;
  38
  39pub struct ActiveThread {
  40    language_registry: Arc<LanguageRegistry>,
  41    thread_store: Entity<ThreadStore>,
  42    thread: Entity<Thread>,
  43    context_store: Entity<ContextStore>,
  44    workspace: WeakEntity<Workspace>,
  45    save_thread_task: Option<Task<()>>,
  46    messages: Vec<MessageId>,
  47    list_state: ListState,
  48    scrollbar_state: ScrollbarState,
  49    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  50    rendered_tool_use_labels: HashMap<LanguageModelToolUseId, Entity<Markdown>>,
  51    editing_message: Option<(MessageId, EditMessageState)>,
  52    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  53    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  54    last_error: Option<ThreadError>,
  55    notifications: Vec<WindowHandle<AgentNotification>>,
  56    _subscriptions: Vec<Subscription>,
  57    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  58    feedback_message_editor: Option<Entity<Editor>>,
  59}
  60
  61struct RenderedMessage {
  62    language_registry: Arc<LanguageRegistry>,
  63    segments: Vec<RenderedMessageSegment>,
  64}
  65
  66impl RenderedMessage {
  67    fn from_segments(
  68        segments: &[MessageSegment],
  69        language_registry: Arc<LanguageRegistry>,
  70        workspace: WeakEntity<Workspace>,
  71        window: &Window,
  72        cx: &mut App,
  73    ) -> Self {
  74        let mut this = Self {
  75            language_registry,
  76            segments: Vec::with_capacity(segments.len()),
  77        };
  78        for segment in segments {
  79            this.push_segment(segment, workspace.clone(), window, cx);
  80        }
  81        this
  82    }
  83
  84    fn append_thinking(
  85        &mut self,
  86        text: &String,
  87        workspace: WeakEntity<Workspace>,
  88        window: &Window,
  89        cx: &mut App,
  90    ) {
  91        if let Some(RenderedMessageSegment::Thinking {
  92            content,
  93            scroll_handle,
  94        }) = self.segments.last_mut()
  95        {
  96            content.update(cx, |markdown, cx| {
  97                markdown.append(text, cx);
  98            });
  99            scroll_handle.scroll_to_bottom();
 100        } else {
 101            self.segments.push(RenderedMessageSegment::Thinking {
 102                content: render_markdown(
 103                    text.into(),
 104                    self.language_registry.clone(),
 105                    workspace,
 106                    window,
 107                    cx,
 108                ),
 109                scroll_handle: ScrollHandle::default(),
 110            });
 111        }
 112    }
 113
 114    fn append_text(
 115        &mut self,
 116        text: &String,
 117        workspace: WeakEntity<Workspace>,
 118        window: &Window,
 119        cx: &mut App,
 120    ) {
 121        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 122            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 123        } else {
 124            self.segments
 125                .push(RenderedMessageSegment::Text(render_markdown(
 126                    SharedString::from(text),
 127                    self.language_registry.clone(),
 128                    workspace,
 129                    window,
 130                    cx,
 131                )));
 132        }
 133    }
 134
 135    fn push_segment(
 136        &mut self,
 137        segment: &MessageSegment,
 138        workspace: WeakEntity<Workspace>,
 139        window: &Window,
 140        cx: &mut App,
 141    ) {
 142        let rendered_segment = match segment {
 143            MessageSegment::Thinking(text) => RenderedMessageSegment::Thinking {
 144                content: render_markdown(
 145                    text.into(),
 146                    self.language_registry.clone(),
 147                    workspace,
 148                    window,
 149                    cx,
 150                ),
 151                scroll_handle: ScrollHandle::default(),
 152            },
 153            MessageSegment::Text(text) => RenderedMessageSegment::Text(render_markdown(
 154                text.into(),
 155                self.language_registry.clone(),
 156                workspace,
 157                window,
 158                cx,
 159            )),
 160        };
 161        self.segments.push(rendered_segment);
 162    }
 163}
 164
 165enum RenderedMessageSegment {
 166    Thinking {
 167        content: Entity<Markdown>,
 168        scroll_handle: ScrollHandle,
 169    },
 170    Text(Entity<Markdown>),
 171}
 172
 173fn render_markdown(
 174    text: SharedString,
 175    language_registry: Arc<LanguageRegistry>,
 176    workspace: WeakEntity<Workspace>,
 177    window: &Window,
 178    cx: &mut App,
 179) -> Entity<Markdown> {
 180    let theme_settings = ThemeSettings::get_global(cx);
 181    let colors = cx.theme().colors();
 182    let ui_font_size = TextSize::Default.rems(cx);
 183    let buffer_font_size = TextSize::Small.rems(cx);
 184    let mut text_style = window.text_style();
 185
 186    text_style.refine(&TextStyleRefinement {
 187        font_family: Some(theme_settings.ui_font.family.clone()),
 188        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 189        font_features: Some(theme_settings.ui_font.features.clone()),
 190        font_size: Some(ui_font_size.into()),
 191        color: Some(cx.theme().colors().text),
 192        ..Default::default()
 193    });
 194
 195    let markdown_style = MarkdownStyle {
 196        base_text_style: text_style,
 197        syntax: cx.theme().syntax().clone(),
 198        selection_background_color: cx.theme().players().local().selection,
 199        code_block_overflow_x_scroll: true,
 200        table_overflow_x_scroll: true,
 201        code_block: StyleRefinement {
 202            margin: EdgesRefinement {
 203                top: Some(Length::Definite(rems(0.).into())),
 204                left: Some(Length::Definite(rems(0.).into())),
 205                right: Some(Length::Definite(rems(0.).into())),
 206                bottom: Some(Length::Definite(rems(0.5).into())),
 207            },
 208            padding: EdgesRefinement {
 209                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 210                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 211                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 212                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 213            },
 214            background: Some(colors.editor_background.into()),
 215            border_color: Some(colors.border_variant),
 216            border_widths: EdgesRefinement {
 217                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
 218                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
 219                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
 220                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
 221            },
 222            text: Some(TextStyleRefinement {
 223                font_family: Some(theme_settings.buffer_font.family.clone()),
 224                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 225                font_features: Some(theme_settings.buffer_font.features.clone()),
 226                font_size: Some(buffer_font_size.into()),
 227                ..Default::default()
 228            }),
 229            ..Default::default()
 230        },
 231        inline_code: TextStyleRefinement {
 232            font_family: Some(theme_settings.buffer_font.family.clone()),
 233            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 234            font_features: Some(theme_settings.buffer_font.features.clone()),
 235            font_size: Some(buffer_font_size.into()),
 236            background_color: Some(colors.editor_foreground.opacity(0.1)),
 237            ..Default::default()
 238        },
 239        link: TextStyleRefinement {
 240            background_color: Some(colors.editor_foreground.opacity(0.025)),
 241            underline: Some(UnderlineStyle {
 242                color: Some(colors.text_accent.opacity(0.5)),
 243                thickness: px(1.),
 244                ..Default::default()
 245            }),
 246            ..Default::default()
 247        },
 248        link_callback: Some(Rc::new(move |url, cx| {
 249            if MentionLink::is_valid(url) {
 250                let colors = cx.theme().colors();
 251                Some(TextStyleRefinement {
 252                    background_color: Some(colors.element_background),
 253                    ..Default::default()
 254                })
 255            } else {
 256                None
 257            }
 258        })),
 259        ..Default::default()
 260    };
 261
 262    cx.new(|cx| {
 263        Markdown::new(text, markdown_style, Some(language_registry), None, cx).open_url(
 264            move |text, window, cx| {
 265                open_markdown_link(text, workspace.clone(), window, cx);
 266            },
 267        )
 268    })
 269}
 270
 271fn open_markdown_link(
 272    text: SharedString,
 273    workspace: WeakEntity<Workspace>,
 274    window: &mut Window,
 275    cx: &mut App,
 276) {
 277    let Some(workspace) = workspace.upgrade() else {
 278        cx.open_url(&text);
 279        return;
 280    };
 281
 282    match MentionLink::try_parse(&text, &workspace, cx) {
 283        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 284            if entry.is_dir() {
 285                workspace.project().update(cx, |_, cx| {
 286                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 287                })
 288            } else {
 289                workspace
 290                    .open_path(path, None, true, window, cx)
 291                    .detach_and_log_err(cx);
 292            }
 293        }),
 294        Some(MentionLink::Symbol(path, symbol_name)) => {
 295            let open_task = workspace.update(cx, |workspace, cx| {
 296                workspace.open_path(path, None, true, window, cx)
 297            });
 298            window
 299                .spawn(cx, async move |cx| {
 300                    let active_editor = open_task
 301                        .await?
 302                        .downcast::<Editor>()
 303                        .context("Item is not an editor")?;
 304                    active_editor.update_in(cx, |editor, window, cx| {
 305                        let symbol_range = editor
 306                            .buffer()
 307                            .read(cx)
 308                            .snapshot(cx)
 309                            .outline(None)
 310                            .and_then(|outline| {
 311                                outline
 312                                    .find_most_similar(&symbol_name)
 313                                    .map(|(_, item)| item.range.clone())
 314                            })
 315                            .context("Could not find matching symbol")?;
 316
 317                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 318                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 319                        });
 320                        anyhow::Ok(())
 321                    })
 322                })
 323                .detach_and_log_err(cx);
 324        }
 325        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 326            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
 327                panel.update(cx, |panel, cx| {
 328                    panel
 329                        .open_thread(&thread_id, window, cx)
 330                        .detach_and_log_err(cx)
 331                });
 332            }
 333        }),
 334        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 335        None => cx.open_url(&text),
 336    }
 337}
 338
 339struct EditMessageState {
 340    editor: Entity<Editor>,
 341}
 342
 343impl ActiveThread {
 344    pub fn new(
 345        thread: Entity<Thread>,
 346        thread_store: Entity<ThreadStore>,
 347        language_registry: Arc<LanguageRegistry>,
 348        context_store: Entity<ContextStore>,
 349        workspace: WeakEntity<Workspace>,
 350        window: &mut Window,
 351        cx: &mut Context<Self>,
 352    ) -> Self {
 353        let subscriptions = vec![
 354            cx.observe(&thread, |_, _, cx| cx.notify()),
 355            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 356        ];
 357
 358        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 359            let this = cx.entity().downgrade();
 360            move |ix, window: &mut Window, cx: &mut App| {
 361                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 362                    .unwrap()
 363            }
 364        });
 365
 366        let mut this = Self {
 367            language_registry,
 368            thread_store,
 369            thread: thread.clone(),
 370            context_store,
 371            workspace,
 372            save_thread_task: None,
 373            messages: Vec::new(),
 374            rendered_messages_by_id: HashMap::default(),
 375            rendered_tool_use_labels: HashMap::default(),
 376            expanded_tool_uses: HashMap::default(),
 377            expanded_thinking_segments: HashMap::default(),
 378            list_state: list_state.clone(),
 379            scrollbar_state: ScrollbarState::new(list_state),
 380            editing_message: None,
 381            last_error: None,
 382            notifications: Vec::new(),
 383            _subscriptions: subscriptions,
 384            notification_subscriptions: HashMap::default(),
 385            feedback_message_editor: None,
 386        };
 387
 388        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 389            this.push_message(&message.id, &message.segments, window, cx);
 390
 391            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 392                this.render_tool_use_label_markdown(
 393                    tool_use.id.clone(),
 394                    tool_use.ui_text.clone(),
 395                    window,
 396                    cx,
 397                );
 398            }
 399        }
 400
 401        this
 402    }
 403
 404    pub fn thread(&self) -> &Entity<Thread> {
 405        &self.thread
 406    }
 407
 408    pub fn is_empty(&self) -> bool {
 409        self.messages.is_empty()
 410    }
 411
 412    pub fn summary(&self, cx: &App) -> Option<SharedString> {
 413        self.thread.read(cx).summary()
 414    }
 415
 416    pub fn summary_or_default(&self, cx: &App) -> SharedString {
 417        self.thread.read(cx).summary_or_default()
 418    }
 419
 420    pub fn cancel_last_completion(&mut self, cx: &mut App) -> bool {
 421        self.last_error.take();
 422        self.thread
 423            .update(cx, |thread, cx| thread.cancel_last_completion(cx))
 424    }
 425
 426    pub fn last_error(&self) -> Option<ThreadError> {
 427        self.last_error.clone()
 428    }
 429
 430    pub fn clear_last_error(&mut self) {
 431        self.last_error.take();
 432    }
 433
 434    fn push_message(
 435        &mut self,
 436        id: &MessageId,
 437        segments: &[MessageSegment],
 438        window: &mut Window,
 439        cx: &mut Context<Self>,
 440    ) {
 441        let old_len = self.messages.len();
 442        self.messages.push(*id);
 443        self.list_state.splice(old_len..old_len, 1);
 444
 445        let rendered_message = RenderedMessage::from_segments(
 446            segments,
 447            self.language_registry.clone(),
 448            self.workspace.clone(),
 449            window,
 450            cx,
 451        );
 452        self.rendered_messages_by_id.insert(*id, rendered_message);
 453    }
 454
 455    fn edited_message(
 456        &mut self,
 457        id: &MessageId,
 458        segments: &[MessageSegment],
 459        window: &mut Window,
 460        cx: &mut Context<Self>,
 461    ) {
 462        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 463            return;
 464        };
 465        self.list_state.splice(index..index + 1, 1);
 466        let rendered_message = RenderedMessage::from_segments(
 467            segments,
 468            self.language_registry.clone(),
 469            self.workspace.clone(),
 470            window,
 471            cx,
 472        );
 473        self.rendered_messages_by_id.insert(*id, rendered_message);
 474    }
 475
 476    fn deleted_message(&mut self, id: &MessageId) {
 477        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 478            return;
 479        };
 480        self.messages.remove(index);
 481        self.list_state.splice(index..index + 1, 0);
 482        self.rendered_messages_by_id.remove(id);
 483    }
 484
 485    fn render_tool_use_label_markdown(
 486        &mut self,
 487        tool_use_id: LanguageModelToolUseId,
 488        tool_label: impl Into<SharedString>,
 489        window: &mut Window,
 490        cx: &mut Context<Self>,
 491    ) {
 492        self.rendered_tool_use_labels.insert(
 493            tool_use_id,
 494            render_markdown(
 495                tool_label.into(),
 496                self.language_registry.clone(),
 497                self.workspace.clone(),
 498                window,
 499                cx,
 500            ),
 501        );
 502    }
 503
 504    fn handle_thread_event(
 505        &mut self,
 506        _thread: &Entity<Thread>,
 507        event: &ThreadEvent,
 508        window: &mut Window,
 509        cx: &mut Context<Self>,
 510    ) {
 511        match event {
 512            ThreadEvent::ShowError(error) => {
 513                self.last_error = Some(error.clone());
 514            }
 515            ThreadEvent::StreamedCompletion | ThreadEvent::SummaryChanged => {
 516                self.save_thread(cx);
 517            }
 518            ThreadEvent::DoneStreaming => {
 519                let thread = self.thread.read(cx);
 520
 521                if !thread.is_generating() {
 522                    self.show_notification(
 523                        if thread.used_tools_since_last_user_message() {
 524                            "Finished running tools"
 525                        } else {
 526                            "New message"
 527                        },
 528                        IconName::ZedAssistant,
 529                        window,
 530                        cx,
 531                    );
 532                }
 533            }
 534            ThreadEvent::ToolConfirmationNeeded => {
 535                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
 536            }
 537            ThreadEvent::StreamedAssistantText(message_id, text) => {
 538                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 539                    rendered_message.append_text(text, self.workspace.clone(), window, cx);
 540                }
 541            }
 542            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
 543                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 544                    rendered_message.append_thinking(text, self.workspace.clone(), window, cx);
 545                }
 546            }
 547            ThreadEvent::MessageAdded(message_id) => {
 548                if let Some(message_segments) = self
 549                    .thread
 550                    .read(cx)
 551                    .message(*message_id)
 552                    .map(|message| message.segments.clone())
 553                {
 554                    self.push_message(message_id, &message_segments, window, cx);
 555                }
 556
 557                self.save_thread(cx);
 558                cx.notify();
 559            }
 560            ThreadEvent::MessageEdited(message_id) => {
 561                if let Some(message_segments) = self
 562                    .thread
 563                    .read(cx)
 564                    .message(*message_id)
 565                    .map(|message| message.segments.clone())
 566                {
 567                    self.edited_message(message_id, &message_segments, window, cx);
 568                }
 569
 570                self.save_thread(cx);
 571                cx.notify();
 572            }
 573            ThreadEvent::MessageDeleted(message_id) => {
 574                self.deleted_message(message_id);
 575                self.save_thread(cx);
 576                cx.notify();
 577            }
 578            ThreadEvent::UsePendingTools => {
 579                let tool_uses = self
 580                    .thread
 581                    .update(cx, |thread, cx| thread.use_pending_tools(cx));
 582
 583                for tool_use in tool_uses {
 584                    self.render_tool_use_label_markdown(
 585                        tool_use.id.clone(),
 586                        tool_use.ui_text.clone(),
 587                        window,
 588                        cx,
 589                    );
 590                }
 591            }
 592            ThreadEvent::ToolFinished {
 593                pending_tool_use,
 594                canceled,
 595                ..
 596            } => {
 597                let canceled = *canceled;
 598                if let Some(tool_use) = pending_tool_use {
 599                    self.render_tool_use_label_markdown(
 600                        tool_use.id.clone(),
 601                        SharedString::from(tool_use.ui_text.clone()),
 602                        window,
 603                        cx,
 604                    );
 605                }
 606
 607                if self.thread.read(cx).all_tools_finished() {
 608                    let model_registry = LanguageModelRegistry::read_global(cx);
 609                    if let Some(model) = model_registry.active_model() {
 610                        self.thread.update(cx, |thread, cx| {
 611                            thread.attach_tool_results(cx);
 612                            if !canceled {
 613                                thread.send_to_model(model, RequestKind::Chat, cx);
 614                            }
 615                        });
 616                    }
 617                }
 618            }
 619            ThreadEvent::CheckpointChanged => cx.notify(),
 620        }
 621    }
 622
 623    fn show_notification(
 624        &mut self,
 625        caption: impl Into<SharedString>,
 626        icon: IconName,
 627        window: &mut Window,
 628        cx: &mut Context<ActiveThread>,
 629    ) {
 630        if window.is_window_active() || !self.notifications.is_empty() {
 631            return;
 632        }
 633
 634        let title = self
 635            .thread
 636            .read(cx)
 637            .summary()
 638            .unwrap_or("Agent Panel".into());
 639
 640        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
 641            NotifyWhenAgentWaiting::PrimaryScreen => {
 642                if let Some(primary) = cx.primary_display() {
 643                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
 644                }
 645            }
 646            NotifyWhenAgentWaiting::AllScreens => {
 647                let caption = caption.into();
 648                for screen in cx.displays() {
 649                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
 650                }
 651            }
 652            NotifyWhenAgentWaiting::Never => {
 653                // Don't show anything
 654            }
 655        }
 656    }
 657
 658    fn pop_up(
 659        &mut self,
 660        icon: IconName,
 661        caption: SharedString,
 662        title: SharedString,
 663        window: &mut Window,
 664        screen: Rc<dyn PlatformDisplay>,
 665        cx: &mut Context<'_, ActiveThread>,
 666    ) {
 667        let options = AgentNotification::window_options(screen, cx);
 668
 669        if let Some(screen_window) = cx
 670            .open_window(options, |_, cx| {
 671                cx.new(|_| AgentNotification::new(title.clone(), caption.clone(), icon))
 672            })
 673            .log_err()
 674        {
 675            if let Some(pop_up) = screen_window.entity(cx).log_err() {
 676                self.notification_subscriptions
 677                    .entry(screen_window)
 678                    .or_insert_with(Vec::new)
 679                    .push(cx.subscribe_in(&pop_up, window, {
 680                        |this, _, event, window, cx| match event {
 681                            AgentNotificationEvent::Accepted => {
 682                                let handle = window.window_handle();
 683                                cx.activate(true); // Switch back to the Zed application
 684
 685                                let workspace_handle = this.workspace.clone();
 686
 687                                // If there are multiple Zed windows, activate the correct one.
 688                                cx.defer(move |cx| {
 689                                    handle
 690                                        .update(cx, |_view, window, _cx| {
 691                                            window.activate_window();
 692
 693                                            if let Some(workspace) = workspace_handle.upgrade() {
 694                                                workspace.update(_cx, |workspace, cx| {
 695                                                    workspace
 696                                                        .focus_panel::<AssistantPanel>(window, cx);
 697                                                });
 698                                            }
 699                                        })
 700                                        .log_err();
 701                                });
 702
 703                                this.dismiss_notifications(cx);
 704                            }
 705                            AgentNotificationEvent::Dismissed => {
 706                                this.dismiss_notifications(cx);
 707                            }
 708                        }
 709                    }));
 710
 711                self.notifications.push(screen_window);
 712
 713                // If the user manually refocuses the original window, dismiss the popup.
 714                self.notification_subscriptions
 715                    .entry(screen_window)
 716                    .or_insert_with(Vec::new)
 717                    .push({
 718                        let pop_up_weak = pop_up.downgrade();
 719
 720                        cx.observe_window_activation(window, move |_, window, cx| {
 721                            if window.is_window_active() {
 722                                if let Some(pop_up) = pop_up_weak.upgrade() {
 723                                    pop_up.update(cx, |_, cx| {
 724                                        cx.emit(AgentNotificationEvent::Dismissed);
 725                                    });
 726                                }
 727                            }
 728                        })
 729                    });
 730            }
 731        }
 732    }
 733
 734    /// Spawns a task to save the active thread.
 735    ///
 736    /// Only one task to save the thread will be in flight at a time.
 737    fn save_thread(&mut self, cx: &mut Context<Self>) {
 738        let thread = self.thread.clone();
 739        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
 740            let task = this
 741                .update(cx, |this, cx| {
 742                    this.thread_store
 743                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
 744                })
 745                .ok();
 746
 747            if let Some(task) = task {
 748                task.await.log_err();
 749            }
 750        }));
 751    }
 752
 753    fn start_editing_message(
 754        &mut self,
 755        message_id: MessageId,
 756        message_segments: &[MessageSegment],
 757        window: &mut Window,
 758        cx: &mut Context<Self>,
 759    ) {
 760        // User message should always consist of a single text segment,
 761        // therefore we can skip returning early if it's not a text segment.
 762        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
 763            return;
 764        };
 765
 766        let buffer = cx.new(|cx| {
 767            MultiBuffer::singleton(cx.new(|cx| Buffer::local(message_text.clone(), cx)), cx)
 768        });
 769        let editor = cx.new(|cx| {
 770            let mut editor = Editor::new(
 771                editor::EditorMode::AutoHeight { max_lines: 8 },
 772                buffer,
 773                None,
 774                window,
 775                cx,
 776            );
 777            editor.focus_handle(cx).focus(window);
 778            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
 779            editor
 780        });
 781        self.editing_message = Some((
 782            message_id,
 783            EditMessageState {
 784                editor: editor.clone(),
 785            },
 786        ));
 787        cx.notify();
 788    }
 789
 790    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
 791        self.editing_message.take();
 792        cx.notify();
 793    }
 794
 795    fn confirm_editing_message(
 796        &mut self,
 797        _: &menu::Confirm,
 798        _: &mut Window,
 799        cx: &mut Context<Self>,
 800    ) {
 801        let Some((message_id, state)) = self.editing_message.take() else {
 802            return;
 803        };
 804        let edited_text = state.editor.read(cx).text(cx);
 805        self.thread.update(cx, |thread, cx| {
 806            thread.edit_message(
 807                message_id,
 808                Role::User,
 809                vec![MessageSegment::Text(edited_text)],
 810                cx,
 811            );
 812            for message_id in self.messages_after(message_id) {
 813                thread.delete_message(*message_id, cx);
 814            }
 815        });
 816
 817        let provider = LanguageModelRegistry::read_global(cx).active_provider();
 818        if provider
 819            .as_ref()
 820            .map_or(false, |provider| provider.must_accept_terms(cx))
 821        {
 822            cx.notify();
 823            return;
 824        }
 825        let model_registry = LanguageModelRegistry::read_global(cx);
 826        let Some(model) = model_registry.active_model() else {
 827            return;
 828        };
 829
 830        self.thread.update(cx, |thread, cx| {
 831            thread.send_to_model(model, RequestKind::Chat, cx)
 832        });
 833        cx.notify();
 834    }
 835
 836    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
 837        self.messages
 838            .iter()
 839            .position(|id| *id == message_id)
 840            .map(|index| &self.messages[index + 1..])
 841            .unwrap_or(&[])
 842    }
 843
 844    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 845        self.cancel_editing_message(&menu::Cancel, window, cx);
 846    }
 847
 848    fn handle_regenerate_click(
 849        &mut self,
 850        _: &ClickEvent,
 851        window: &mut Window,
 852        cx: &mut Context<Self>,
 853    ) {
 854        self.confirm_editing_message(&menu::Confirm, window, cx);
 855    }
 856
 857    fn handle_feedback_click(
 858        &mut self,
 859        feedback: ThreadFeedback,
 860        window: &mut Window,
 861        cx: &mut Context<Self>,
 862    ) {
 863        match feedback {
 864            ThreadFeedback::Positive => {
 865                let report = self
 866                    .thread
 867                    .update(cx, |thread, cx| thread.report_feedback(feedback, cx));
 868
 869                let this = cx.entity().downgrade();
 870                cx.spawn(async move |_, cx| {
 871                    report.await?;
 872                    this.update(cx, |_this, cx| cx.notify())
 873                })
 874                .detach_and_log_err(cx);
 875            }
 876            ThreadFeedback::Negative => {
 877                self.handle_show_feedback_comments(window, cx);
 878            }
 879        }
 880    }
 881
 882    fn handle_show_feedback_comments(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 883        if self.feedback_message_editor.is_some() {
 884            return;
 885        }
 886
 887        let buffer = cx.new(|cx| {
 888            let empty_string = String::new();
 889            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 890        });
 891
 892        let editor = cx.new(|cx| {
 893            let mut editor = Editor::new(
 894                editor::EditorMode::AutoHeight { max_lines: 4 },
 895                buffer,
 896                None,
 897                window,
 898                cx,
 899            );
 900            editor.set_placeholder_text(
 901                "What went wrong? Share your feedback so we can improve.",
 902                cx,
 903            );
 904            editor
 905        });
 906
 907        editor.read(cx).focus_handle(cx).focus(window);
 908        self.feedback_message_editor = Some(editor);
 909        cx.notify();
 910    }
 911
 912    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
 913        let Some(editor) = self.feedback_message_editor.clone() else {
 914            return;
 915        };
 916
 917        let report_task = self.thread.update(cx, |thread, cx| {
 918            thread.report_feedback(ThreadFeedback::Negative, cx)
 919        });
 920
 921        let comments = editor.read(cx).text(cx);
 922        if !comments.is_empty() {
 923            let thread_id = self.thread.read(cx).id().clone();
 924
 925            telemetry::event!("Assistant Thread Feedback Comments", thread_id, comments);
 926        }
 927
 928        self.feedback_message_editor = None;
 929
 930        let this = cx.entity().downgrade();
 931        cx.spawn(async move |_, cx| {
 932            report_task.await?;
 933            this.update(cx, |_this, cx| cx.notify())
 934        })
 935        .detach_and_log_err(cx);
 936    }
 937
 938    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
 939        let message_id = self.messages[ix];
 940        let Some(message) = self.thread.read(cx).message(message_id) else {
 941            return Empty.into_any();
 942        };
 943
 944        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
 945            return Empty.into_any();
 946        };
 947
 948        let context_store = self.context_store.clone();
 949        let workspace = self.workspace.clone();
 950
 951        let thread = self.thread.read(cx);
 952        // Get all the data we need from thread before we start using it in closures
 953        let checkpoint = thread.checkpoint_for_message(message_id);
 954        let context = thread.context_for_message(message_id).collect::<Vec<_>>();
 955        let tool_uses = thread.tool_uses_for_message(message_id, cx);
 956        let has_tool_uses = !tool_uses.is_empty();
 957
 958        // Don't render user messages that are just there for returning tool results.
 959        if message.role == Role::User && thread.message_has_tool_results(message_id) {
 960            return Empty.into_any();
 961        }
 962
 963        let allow_editing_message = message.role == Role::User;
 964
 965        let edit_message_editor = self
 966            .editing_message
 967            .as_ref()
 968            .filter(|(id, _)| *id == message_id)
 969            .map(|(_, state)| state.editor.clone());
 970
 971        let first_message = ix == 0;
 972        let show_feedback = ix == self.messages.len() - 1 && message.role != Role::User;
 973
 974        let colors = cx.theme().colors();
 975        let active_color = colors.element_active;
 976        let editor_bg_color = colors.editor_background;
 977        let bg_user_message_header = editor_bg_color.blend(active_color.opacity(0.25));
 978
 979        let feedback_container = h_flex().pt_2().pb_4().px_4().gap_1().justify_between();
 980        let feedback_items = match self.thread.read(cx).feedback() {
 981            Some(feedback) => feedback_container
 982                .child(
 983                    Label::new(match feedback {
 984                        ThreadFeedback::Positive => "Thanks for your feedback!",
 985                        ThreadFeedback::Negative => {
 986                            "We appreciate your feedback and will use it to improve."
 987                        }
 988                    })
 989                    .color(Color::Muted)
 990                    .size(LabelSize::XSmall),
 991                )
 992                .child(
 993                    h_flex()
 994                        .gap_1()
 995                        .child(
 996                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
 997                                .icon_size(IconSize::XSmall)
 998                                .icon_color(match feedback {
 999                                    ThreadFeedback::Positive => Color::Accent,
1000                                    ThreadFeedback::Negative => Color::Ignored,
1001                                })
1002                                .shape(ui::IconButtonShape::Square)
1003                                .tooltip(Tooltip::text("Helpful Response"))
1004                                .on_click(cx.listener(move |this, _, window, cx| {
1005                                    this.handle_feedback_click(
1006                                        ThreadFeedback::Positive,
1007                                        window,
1008                                        cx,
1009                                    );
1010                                })),
1011                        )
1012                        .child(
1013                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1014                                .icon_size(IconSize::XSmall)
1015                                .icon_color(match feedback {
1016                                    ThreadFeedback::Positive => Color::Ignored,
1017                                    ThreadFeedback::Negative => Color::Accent,
1018                                })
1019                                .shape(ui::IconButtonShape::Square)
1020                                .tooltip(Tooltip::text("Not Helpful"))
1021                                .on_click(cx.listener(move |this, _, window, cx| {
1022                                    this.handle_feedback_click(
1023                                        ThreadFeedback::Negative,
1024                                        window,
1025                                        cx,
1026                                    );
1027                                })),
1028                        ),
1029                )
1030                .into_any_element(),
1031            None => feedback_container
1032                .child(
1033                    Label::new(
1034                        "Rating the thread sends all of your current conversation to the Zed team.",
1035                    )
1036                    .color(Color::Muted)
1037                    .size(LabelSize::XSmall),
1038                )
1039                .child(
1040                    h_flex()
1041                        .gap_1()
1042                        .child(
1043                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1044                                .icon_size(IconSize::XSmall)
1045                                .icon_color(Color::Ignored)
1046                                .shape(ui::IconButtonShape::Square)
1047                                .tooltip(Tooltip::text("Helpful Response"))
1048                                .on_click(cx.listener(move |this, _, window, cx| {
1049                                    this.handle_feedback_click(
1050                                        ThreadFeedback::Positive,
1051                                        window,
1052                                        cx,
1053                                    );
1054                                })),
1055                        )
1056                        .child(
1057                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1058                                .icon_size(IconSize::XSmall)
1059                                .icon_color(Color::Ignored)
1060                                .shape(ui::IconButtonShape::Square)
1061                                .tooltip(Tooltip::text("Not Helpful"))
1062                                .on_click(cx.listener(move |this, _, window, cx| {
1063                                    this.handle_feedback_click(
1064                                        ThreadFeedback::Negative,
1065                                        window,
1066                                        cx,
1067                                    );
1068                                })),
1069                        ),
1070                )
1071                .into_any_element(),
1072        };
1073
1074        let message_is_empty = message.should_display_content();
1075        let has_content = !message_is_empty || !context.is_empty();
1076
1077        let message_content =
1078            has_content.then(|| {
1079                v_flex()
1080                    .gap_1p5()
1081                    .when(!message_is_empty, |parent| {
1082                        parent.child(
1083                            if let Some(edit_message_editor) = edit_message_editor.clone() {
1084                                div()
1085                                    .key_context("EditMessageEditor")
1086                                    .on_action(cx.listener(Self::cancel_editing_message))
1087                                    .on_action(cx.listener(Self::confirm_editing_message))
1088                                    .min_h_6()
1089                                    .child(edit_message_editor)
1090                                    .into_any()
1091                            } else {
1092                                div()
1093                                    .min_h_6()
1094                                    .text_ui(cx)
1095                                    .child(self.render_message_content(
1096                                        message_id,
1097                                        rendered_message,
1098                                        has_tool_uses,
1099                                        cx,
1100                                    ))
1101                                    .into_any()
1102                            },
1103                        )
1104                    })
1105                    .when(!context.is_empty(), |parent| {
1106                        parent.child(h_flex().flex_wrap().gap_1().children(
1107                            context.into_iter().map(|context| {
1108                                let context_id = context.id();
1109                                ContextPill::added(
1110                                    AddedContext::new(context, cx),
1111                                    false,
1112                                    false,
1113                                    None,
1114                                )
1115                                .on_click(Rc::new(cx.listener({
1116                                    let workspace = workspace.clone();
1117                                    let context_store = context_store.clone();
1118                                    move |_, _, window, cx| {
1119                                        if let Some(workspace) = workspace.upgrade() {
1120                                            open_context(
1121                                                context_id,
1122                                                context_store.clone(),
1123                                                workspace,
1124                                                window,
1125                                                cx,
1126                                            );
1127                                            cx.notify();
1128                                        }
1129                                    }
1130                                })))
1131                            }),
1132                        ))
1133                    })
1134            });
1135
1136        let styled_message = match message.role {
1137            Role::User => v_flex()
1138                .id(("message-container", ix))
1139                .map(|this| {
1140                    if first_message {
1141                        this.pt_2()
1142                    } else {
1143                        this.pt_4()
1144                    }
1145                })
1146                .pb_4()
1147                .pl_2()
1148                .pr_2p5()
1149                .child(
1150                    v_flex()
1151                        .bg(colors.editor_background)
1152                        .rounded_lg()
1153                        .border_1()
1154                        .border_color(colors.border)
1155                        .shadow_md()
1156                        .child(
1157                            h_flex()
1158                                .py_1()
1159                                .pl_2()
1160                                .pr_1()
1161                                .bg(bg_user_message_header)
1162                                .border_b_1()
1163                                .border_color(colors.border)
1164                                .justify_between()
1165                                .rounded_t_md()
1166                                .child(
1167                                    h_flex()
1168                                        .gap_1p5()
1169                                        .child(
1170                                            Icon::new(IconName::PersonCircle)
1171                                                .size(IconSize::XSmall)
1172                                                .color(Color::Muted),
1173                                        )
1174                                        .child(
1175                                            Label::new("You")
1176                                                .size(LabelSize::Small)
1177                                                .color(Color::Muted),
1178                                        ),
1179                                )
1180                                .child(
1181                                    h_flex()
1182                                        .gap_1()
1183                                        .when_some(
1184                                            edit_message_editor.clone(),
1185                                            |this, edit_message_editor| {
1186                                                let focus_handle =
1187                                                    edit_message_editor.focus_handle(cx);
1188                                                this.child(
1189                                                    Button::new("cancel-edit-message", "Cancel")
1190                                                        .label_size(LabelSize::Small)
1191                                                        .key_binding(
1192                                                            KeyBinding::for_action_in(
1193                                                                &menu::Cancel,
1194                                                                &focus_handle,
1195                                                                window,
1196                                                                cx,
1197                                                            )
1198                                                            .map(|kb| kb.size(rems_from_px(12.))),
1199                                                        )
1200                                                        .on_click(
1201                                                            cx.listener(Self::handle_cancel_click),
1202                                                        ),
1203                                                )
1204                                                .child(
1205                                                    Button::new(
1206                                                        "confirm-edit-message",
1207                                                        "Regenerate",
1208                                                    )
1209                                                    .label_size(LabelSize::Small)
1210                                                    .key_binding(
1211                                                        KeyBinding::for_action_in(
1212                                                            &menu::Confirm,
1213                                                            &focus_handle,
1214                                                            window,
1215                                                            cx,
1216                                                        )
1217                                                        .map(|kb| kb.size(rems_from_px(12.))),
1218                                                    )
1219                                                    .on_click(
1220                                                        cx.listener(Self::handle_regenerate_click),
1221                                                    ),
1222                                                )
1223                                            },
1224                                        )
1225                                        .when(
1226                                            edit_message_editor.is_none() && allow_editing_message,
1227                                            |this| {
1228                                                this.child(
1229                                                    Button::new("edit-message", "Edit")
1230                                                        .label_size(LabelSize::Small)
1231                                                        .on_click(cx.listener({
1232                                                            let message_segments =
1233                                                                message.segments.clone();
1234                                                            move |this, _, window, cx| {
1235                                                                this.start_editing_message(
1236                                                                    message_id,
1237                                                                    &message_segments,
1238                                                                    window,
1239                                                                    cx,
1240                                                                );
1241                                                            }
1242                                                        })),
1243                                                )
1244                                            },
1245                                        ),
1246                                ),
1247                        )
1248                        .child(div().p_2().children(message_content)),
1249                ),
1250            Role::Assistant => v_flex()
1251                .id(("message-container", ix))
1252                .ml_2()
1253                .pl_2()
1254                .pr_4()
1255                .border_l_1()
1256                .border_color(cx.theme().colors().border_variant)
1257                .children(message_content)
1258                .gap_2p5()
1259                .pb_2p5()
1260                .when(!tool_uses.is_empty(), |parent| {
1261                    parent.child(
1262                        v_flex().children(
1263                            tool_uses
1264                                .into_iter()
1265                                .map(|tool_use| self.render_tool_use(tool_use, cx)),
1266                        ),
1267                    )
1268                }),
1269            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
1270                v_flex()
1271                    .bg(colors.editor_background)
1272                    .rounded_sm()
1273                    .child(div().p_4().children(message_content)),
1274            ),
1275        };
1276
1277        v_flex()
1278            .w_full()
1279            .when(first_message, |parent| {
1280                parent.child(self.render_rules_item(cx))
1281            })
1282            .when_some(checkpoint, |parent, checkpoint| {
1283                let mut is_pending = false;
1284                let mut error = None;
1285                if let Some(last_restore_checkpoint) =
1286                    self.thread.read(cx).last_restore_checkpoint()
1287                {
1288                    if last_restore_checkpoint.message_id() == message_id {
1289                        match last_restore_checkpoint {
1290                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
1291                            LastRestoreCheckpoint::Error { error: err, .. } => {
1292                                error = Some(err.clone());
1293                            }
1294                        }
1295                    }
1296                }
1297
1298                let restore_checkpoint_button =
1299                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
1300                        .icon(if error.is_some() {
1301                            IconName::XCircle
1302                        } else {
1303                            IconName::Undo
1304                        })
1305                        .icon_size(IconSize::XSmall)
1306                        .icon_position(IconPosition::Start)
1307                        .icon_color(if error.is_some() {
1308                            Some(Color::Error)
1309                        } else {
1310                            None
1311                        })
1312                        .label_size(LabelSize::XSmall)
1313                        .disabled(is_pending)
1314                        .on_click(cx.listener(move |this, _, _window, cx| {
1315                            this.thread.update(cx, |thread, cx| {
1316                                thread
1317                                    .restore_checkpoint(checkpoint.clone(), cx)
1318                                    .detach_and_log_err(cx);
1319                            });
1320                        }));
1321
1322                let restore_checkpoint_button = if is_pending {
1323                    restore_checkpoint_button
1324                        .with_animation(
1325                            ("pulsating-restore-checkpoint-button", ix),
1326                            Animation::new(Duration::from_secs(2))
1327                                .repeat()
1328                                .with_easing(pulsating_between(0.6, 1.)),
1329                            |label, delta| label.alpha(delta),
1330                        )
1331                        .into_any_element()
1332                } else if let Some(error) = error {
1333                    restore_checkpoint_button
1334                        .tooltip(Tooltip::text(error.to_string()))
1335                        .into_any_element()
1336                } else {
1337                    restore_checkpoint_button.into_any_element()
1338                };
1339
1340                parent.child(
1341                    h_flex()
1342                        .pt_2p5()
1343                        .px_2p5()
1344                        .w_full()
1345                        .gap_1()
1346                        .child(ui::Divider::horizontal())
1347                        .child(restore_checkpoint_button)
1348                        .child(ui::Divider::horizontal()),
1349                )
1350            })
1351            .child(styled_message)
1352            .when(
1353                show_feedback && !self.thread.read(cx).is_generating(),
1354                |parent| {
1355                    parent.child(feedback_items).when_some(
1356                        self.feedback_message_editor.clone(),
1357                        |parent, feedback_editor| {
1358                            let focus_handle = feedback_editor.focus_handle(cx);
1359                            parent.child(
1360                                v_flex()
1361                                    .key_context("AgentFeedbackMessageEditor")
1362                                    .on_action(cx.listener(|this, _: &menu::Cancel, _, cx| {
1363                                        this.feedback_message_editor = None;
1364                                        cx.notify();
1365                                    }))
1366                                    .on_action(cx.listener(|this, _: &menu::Confirm, _, cx| {
1367                                        this.submit_feedback_message(cx);
1368                                        cx.notify();
1369                                    }))
1370                                    .on_action(cx.listener(Self::confirm_editing_message))
1371                                    .mx_4()
1372                                    .mb_3()
1373                                    .p_2()
1374                                    .rounded_md()
1375                                    .border_1()
1376                                    .border_color(cx.theme().colors().border)
1377                                    .bg(cx.theme().colors().editor_background)
1378                                    .child(feedback_editor)
1379                                    .child(
1380                                        h_flex()
1381                                            .gap_1()
1382                                            .justify_end()
1383                                            .child(
1384                                                Button::new("dismiss-feedback-message", "Cancel")
1385                                                    .label_size(LabelSize::Small)
1386                                                    .key_binding(
1387                                                        KeyBinding::for_action_in(
1388                                                            &menu::Cancel,
1389                                                            &focus_handle,
1390                                                            window,
1391                                                            cx,
1392                                                        )
1393                                                        .map(|kb| kb.size(rems_from_px(10.))),
1394                                                    )
1395                                                    .on_click(cx.listener(|this, _, _, cx| {
1396                                                        this.feedback_message_editor = None;
1397                                                        cx.notify();
1398                                                    })),
1399                                            )
1400                                            .child(
1401                                                Button::new(
1402                                                    "submit-feedback-message",
1403                                                    "Share Feedback",
1404                                                )
1405                                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1406                                                .label_size(LabelSize::Small)
1407                                                .key_binding(
1408                                                    KeyBinding::for_action_in(
1409                                                        &menu::Confirm,
1410                                                        &focus_handle,
1411                                                        window,
1412                                                        cx,
1413                                                    )
1414                                                    .map(|kb| kb.size(rems_from_px(10.))),
1415                                                )
1416                                                .on_click(cx.listener(|this, _, _, cx| {
1417                                                    this.submit_feedback_message(cx);
1418                                                    cx.notify();
1419                                                })),
1420                                            ),
1421                                    ),
1422                            )
1423                        },
1424                    )
1425                },
1426            )
1427            .into_any()
1428    }
1429
1430    fn render_message_content(
1431        &self,
1432        message_id: MessageId,
1433        rendered_message: &RenderedMessage,
1434        has_tool_uses: bool,
1435        cx: &Context<Self>,
1436    ) -> impl IntoElement {
1437        let is_last_message = self.messages.last() == Some(&message_id);
1438        let is_generating = self.thread.read(cx).is_generating();
1439        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
1440            rendered_message
1441                .segments
1442                .iter()
1443                .enumerate()
1444                .next_back()
1445                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
1446                .map(|(index, _)| index)
1447        } else {
1448            None
1449        };
1450
1451        div()
1452            .text_ui(cx)
1453            .gap_2()
1454            .children(
1455                rendered_message.segments.iter().enumerate().map(
1456                    |(index, segment)| match segment {
1457                        RenderedMessageSegment::Thinking {
1458                            content,
1459                            scroll_handle,
1460                        } => self
1461                            .render_message_thinking_segment(
1462                                message_id,
1463                                index,
1464                                content.clone(),
1465                                &scroll_handle,
1466                                Some(index) == pending_thinking_segment_index,
1467                                cx,
1468                            )
1469                            .into_any_element(),
1470                        RenderedMessageSegment::Text(markdown) => {
1471                            div().child(markdown.clone()).into_any_element()
1472                        }
1473                    },
1474                ),
1475            )
1476    }
1477
1478    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1479        cx.theme().colors().border.opacity(0.5)
1480    }
1481
1482    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1483        cx.theme()
1484            .colors()
1485            .element_background
1486            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1487    }
1488
1489    fn render_message_thinking_segment(
1490        &self,
1491        message_id: MessageId,
1492        ix: usize,
1493        markdown: Entity<Markdown>,
1494        scroll_handle: &ScrollHandle,
1495        pending: bool,
1496        cx: &Context<Self>,
1497    ) -> impl IntoElement {
1498        let is_open = self
1499            .expanded_thinking_segments
1500            .get(&(message_id, ix))
1501            .copied()
1502            .unwrap_or_default();
1503
1504        let editor_bg = cx.theme().colors().editor_background;
1505
1506        div().pt_0p5().pb_2().child(
1507            v_flex()
1508                .rounded_lg()
1509                .border_1()
1510                .border_color(self.tool_card_border_color(cx))
1511                .child(
1512                    h_flex()
1513                        .group("disclosure-header")
1514                        .justify_between()
1515                        .py_1()
1516                        .px_2()
1517                        .bg(self.tool_card_header_bg(cx))
1518                        .map(|this| {
1519                            if pending || is_open {
1520                                this.rounded_t_md()
1521                                    .border_b_1()
1522                                    .border_color(self.tool_card_border_color(cx))
1523                            } else {
1524                                this.rounded_md()
1525                            }
1526                        })
1527                        .child(
1528                            h_flex()
1529                                .gap_1p5()
1530                                .child(
1531                                    Icon::new(IconName::Brain)
1532                                        .size(IconSize::XSmall)
1533                                        .color(Color::Muted),
1534                                )
1535                                .child({
1536                                    if pending {
1537                                        Label::new("Thinking…")
1538                                            .size(LabelSize::Small)
1539                                            .buffer_font(cx)
1540                                            .with_animation(
1541                                                "pulsating-label",
1542                                                Animation::new(Duration::from_secs(2))
1543                                                    .repeat()
1544                                                    .with_easing(pulsating_between(0.4, 0.8)),
1545                                                |label, delta| label.alpha(delta),
1546                                            )
1547                                            .into_any_element()
1548                                    } else {
1549                                        Label::new("Thought Process")
1550                                            .size(LabelSize::Small)
1551                                            .buffer_font(cx)
1552                                            .into_any_element()
1553                                    }
1554                                }),
1555                        )
1556                        .child(
1557                            h_flex()
1558                                .gap_1()
1559                                .child(
1560                                    div().visible_on_hover("disclosure-header").child(
1561                                        Disclosure::new("thinking-disclosure", is_open)
1562                                            .opened_icon(IconName::ChevronUp)
1563                                            .closed_icon(IconName::ChevronDown)
1564                                            .on_click(cx.listener({
1565                                                move |this, _event, _window, _cx| {
1566                                                    let is_open = this
1567                                                        .expanded_thinking_segments
1568                                                        .entry((message_id, ix))
1569                                                        .or_insert(false);
1570
1571                                                    *is_open = !*is_open;
1572                                                }
1573                                            })),
1574                                    ),
1575                                )
1576                                .child({
1577                                    let (icon_name, color, animated) = if pending {
1578                                        (IconName::ArrowCircle, Color::Accent, true)
1579                                    } else {
1580                                        (IconName::Check, Color::Success, false)
1581                                    };
1582
1583                                    let icon =
1584                                        Icon::new(icon_name).color(color).size(IconSize::Small);
1585
1586                                    if animated {
1587                                        icon.with_animation(
1588                                            "arrow-circle",
1589                                            Animation::new(Duration::from_secs(2)).repeat(),
1590                                            |icon, delta| {
1591                                                icon.transform(Transformation::rotate(percentage(
1592                                                    delta,
1593                                                )))
1594                                            },
1595                                        )
1596                                        .into_any_element()
1597                                    } else {
1598                                        icon.into_any_element()
1599                                    }
1600                                }),
1601                        ),
1602                )
1603                .when(pending && !is_open, |this| {
1604                    let gradient_overlay = div()
1605                        .rounded_b_lg()
1606                        .h_20()
1607                        .absolute()
1608                        .w_full()
1609                        .bottom_0()
1610                        .left_0()
1611                        .bg(linear_gradient(
1612                            180.,
1613                            linear_color_stop(editor_bg, 1.),
1614                            linear_color_stop(editor_bg.opacity(0.2), 0.),
1615                        ));
1616
1617                    this.child(
1618                        div()
1619                            .relative()
1620                            .bg(editor_bg)
1621                            .rounded_b_lg()
1622                            .child(
1623                                div()
1624                                    .id(("thinking-content", ix))
1625                                    .p_2()
1626                                    .h_20()
1627                                    .track_scroll(scroll_handle)
1628                                    .text_ui_sm(cx)
1629                                    .child(markdown.clone())
1630                                    .overflow_hidden(),
1631                            )
1632                            .child(gradient_overlay),
1633                    )
1634                })
1635                .when(is_open, |this| {
1636                    this.child(
1637                        div()
1638                            .id(("thinking-content", ix))
1639                            .h_full()
1640                            .p_2()
1641                            .rounded_b_lg()
1642                            .bg(editor_bg)
1643                            .text_ui_sm(cx)
1644                            .child(markdown.clone()),
1645                    )
1646                }),
1647        )
1648    }
1649
1650    fn render_tool_use(
1651        &self,
1652        tool_use: ToolUse,
1653        cx: &mut Context<Self>,
1654    ) -> impl IntoElement + use<> {
1655        let is_open = self
1656            .expanded_tool_uses
1657            .get(&tool_use.id)
1658            .copied()
1659            .unwrap_or_default();
1660
1661        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
1662
1663        let fs = self
1664            .workspace
1665            .upgrade()
1666            .map(|workspace| workspace.read(cx).app_state().fs.clone());
1667        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
1668
1669        let status_icons = div().child(match &tool_use.status {
1670            ToolUseStatus::Pending | ToolUseStatus::NeedsConfirmation => {
1671                let icon = Icon::new(IconName::Warning)
1672                    .color(Color::Warning)
1673                    .size(IconSize::Small);
1674                icon.into_any_element()
1675            }
1676            ToolUseStatus::Running => {
1677                let icon = Icon::new(IconName::ArrowCircle)
1678                    .color(Color::Accent)
1679                    .size(IconSize::Small);
1680                icon.with_animation(
1681                    "arrow-circle",
1682                    Animation::new(Duration::from_secs(2)).repeat(),
1683                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1684                )
1685                .into_any_element()
1686            }
1687            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
1688            ToolUseStatus::Error(_) => {
1689                let icon = Icon::new(IconName::Close)
1690                    .color(Color::Error)
1691                    .size(IconSize::Small);
1692                icon.into_any_element()
1693            }
1694        });
1695
1696        let content_container = || v_flex().py_1().gap_0p5().px_2p5();
1697        let results_content = v_flex()
1698            .gap_1()
1699            .child(
1700                content_container()
1701                    .child(
1702                        Label::new("Input")
1703                            .size(LabelSize::XSmall)
1704                            .color(Color::Muted)
1705                            .buffer_font(cx),
1706                    )
1707                    .child(
1708                        Label::new(
1709                            serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1710                        )
1711                        .size(LabelSize::Small)
1712                        .buffer_font(cx),
1713                    ),
1714            )
1715            .map(|container| match tool_use.status {
1716                ToolUseStatus::Finished(output) => container.child(
1717                    content_container()
1718                        .border_t_1()
1719                        .border_color(self.tool_card_border_color(cx))
1720                        .child(
1721                            Label::new("Result")
1722                                .size(LabelSize::XSmall)
1723                                .color(Color::Muted)
1724                                .buffer_font(cx),
1725                        )
1726                        .child(Label::new(output).size(LabelSize::Small).buffer_font(cx)),
1727                ),
1728                ToolUseStatus::Running => container.child(
1729                    content_container().child(
1730                        h_flex()
1731                            .gap_1()
1732                            .pb_1()
1733                            .border_t_1()
1734                            .border_color(self.tool_card_border_color(cx))
1735                            .child(
1736                                Icon::new(IconName::ArrowCircle)
1737                                    .size(IconSize::Small)
1738                                    .color(Color::Accent)
1739                                    .with_animation(
1740                                        "arrow-circle",
1741                                        Animation::new(Duration::from_secs(2)).repeat(),
1742                                        |icon, delta| {
1743                                            icon.transform(Transformation::rotate(percentage(
1744                                                delta,
1745                                            )))
1746                                        },
1747                                    ),
1748                            )
1749                            .child(
1750                                Label::new("Running…")
1751                                    .size(LabelSize::XSmall)
1752                                    .color(Color::Muted)
1753                                    .buffer_font(cx),
1754                            ),
1755                    ),
1756                ),
1757                ToolUseStatus::Error(err) => container.child(
1758                    content_container()
1759                        .border_t_1()
1760                        .border_color(self.tool_card_border_color(cx))
1761                        .child(
1762                            Label::new("Error")
1763                                .size(LabelSize::XSmall)
1764                                .color(Color::Muted)
1765                                .buffer_font(cx),
1766                        )
1767                        .child(Label::new(err).size(LabelSize::Small).buffer_font(cx)),
1768                ),
1769                ToolUseStatus::Pending => container,
1770                ToolUseStatus::NeedsConfirmation => container.child(
1771                    content_container()
1772                        .border_t_1()
1773                        .border_color(self.tool_card_border_color(cx))
1774                        .child(
1775                            Label::new("Asking Permission")
1776                                .size(LabelSize::Small)
1777                                .color(Color::Muted)
1778                                .buffer_font(cx),
1779                        ),
1780                ),
1781            });
1782
1783        let gradient_overlay = |color: Hsla| {
1784            div()
1785                .h_full()
1786                .absolute()
1787                .w_8()
1788                .bottom_0()
1789                .map(|element| {
1790                    if is_status_finished {
1791                        element.right_7()
1792                    } else {
1793                        element.right(px(46.))
1794                    }
1795                })
1796                .bg(linear_gradient(
1797                    90.,
1798                    linear_color_stop(color, 1.),
1799                    linear_color_stop(color.opacity(0.2), 0.),
1800                ))
1801        };
1802
1803        div().map(|element| {
1804            if !tool_use.needs_confirmation {
1805                element.child(
1806                    v_flex()
1807                        .child(
1808                            h_flex()
1809                                .group("disclosure-header")
1810                                .relative()
1811                                .gap_1p5()
1812                                .justify_between()
1813                                .opacity(0.8)
1814                                .hover(|style| style.opacity(1.))
1815                                .when(!is_status_finished, |this| this.pr_2())
1816                                .child(
1817                                    h_flex()
1818                                        .id("tool-label-container")
1819                                        .gap_1p5()
1820                                        .max_w_full()
1821                                        .overflow_x_scroll()
1822                                        .child(
1823                                            Icon::new(tool_use.icon)
1824                                                .size(IconSize::XSmall)
1825                                                .color(Color::Muted),
1826                                        )
1827                                        .child(
1828                                            h_flex().pr_8().text_ui_sm(cx).children(
1829                                                self.rendered_tool_use_labels
1830                                                    .get(&tool_use.id)
1831                                                    .cloned(),
1832                                            ),
1833                                        ),
1834                                )
1835                                .child(
1836                                    h_flex()
1837                                        .gap_1()
1838                                        .child(
1839                                            div().visible_on_hover("disclosure-header").child(
1840                                                Disclosure::new("tool-use-disclosure", is_open)
1841                                                    .opened_icon(IconName::ChevronUp)
1842                                                    .closed_icon(IconName::ChevronDown)
1843                                                    .on_click(cx.listener({
1844                                                        let tool_use_id = tool_use.id.clone();
1845                                                        move |this, _event, _window, _cx| {
1846                                                            let is_open = this
1847                                                                .expanded_tool_uses
1848                                                                .entry(tool_use_id.clone())
1849                                                                .or_insert(false);
1850
1851                                                            *is_open = !*is_open;
1852                                                        }
1853                                                    })),
1854                                            ),
1855                                        )
1856                                        .child(status_icons),
1857                                )
1858                                .child(gradient_overlay(cx.theme().colors().panel_background)),
1859                        )
1860                        .map(|parent| {
1861                            if !is_open {
1862                                return parent;
1863                            }
1864
1865                            parent.child(
1866                                v_flex()
1867                                    .mt_1()
1868                                    .border_1()
1869                                    .border_color(self.tool_card_border_color(cx))
1870                                    .bg(cx.theme().colors().editor_background)
1871                                    .rounded_lg()
1872                                    .child(results_content),
1873                            )
1874                        }),
1875                )
1876            } else {
1877                v_flex()
1878                    .rounded_lg()
1879                    .border_1()
1880                    .border_color(self.tool_card_border_color(cx))
1881                    .overflow_hidden()
1882                    .child(
1883                        h_flex()
1884                            .group("disclosure-header")
1885                            .relative()
1886                            .justify_between()
1887                            .py_1()
1888                            .map(|element| {
1889                                if is_status_finished {
1890                                    element.pl_2().pr_0p5()
1891                                } else {
1892                                    element.px_2()
1893                                }
1894                            })
1895                            .bg(self.tool_card_header_bg(cx))
1896                            .map(|element| {
1897                                if is_open {
1898                                    element.border_b_1().rounded_t_md()
1899                                } else if needs_confirmation {
1900                                    element.rounded_t_md()
1901                                } else {
1902                                    element.rounded_md()
1903                                }
1904                            })
1905                            .border_color(self.tool_card_border_color(cx))
1906                            .child(
1907                                h_flex()
1908                                    .id("tool-label-container")
1909                                    .gap_1p5()
1910                                    .max_w_full()
1911                                    .overflow_x_scroll()
1912                                    .child(
1913                                        Icon::new(tool_use.icon)
1914                                            .size(IconSize::XSmall)
1915                                            .color(Color::Muted),
1916                                    )
1917                                    .child(
1918                                        h_flex().pr_8().text_ui_sm(cx).children(
1919                                            self.rendered_tool_use_labels
1920                                                .get(&tool_use.id)
1921                                                .cloned(),
1922                                        ),
1923                                    ),
1924                            )
1925                            .child(
1926                                h_flex()
1927                                    .gap_1()
1928                                    .child(
1929                                        div().visible_on_hover("disclosure-header").child(
1930                                            Disclosure::new("tool-use-disclosure", is_open)
1931                                                .opened_icon(IconName::ChevronUp)
1932                                                .closed_icon(IconName::ChevronDown)
1933                                                .on_click(cx.listener({
1934                                                    let tool_use_id = tool_use.id.clone();
1935                                                    move |this, _event, _window, _cx| {
1936                                                        let is_open = this
1937                                                            .expanded_tool_uses
1938                                                            .entry(tool_use_id.clone())
1939                                                            .or_insert(false);
1940
1941                                                        *is_open = !*is_open;
1942                                                    }
1943                                                })),
1944                                        ),
1945                                    )
1946                                    .child(status_icons),
1947                            )
1948                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
1949                    )
1950                    .map(|parent| {
1951                        if !is_open {
1952                            return parent;
1953                        }
1954
1955                        parent.child(
1956                            v_flex()
1957                                .bg(cx.theme().colors().editor_background)
1958                                .map(|element| {
1959                                    if  needs_confirmation {
1960                                        element.rounded_none()
1961                                    } else {
1962                                        element.rounded_b_lg()
1963                                    }
1964                                })
1965                                .child(results_content),
1966                        )
1967                    })
1968                    .when(needs_confirmation, |this| {
1969                        this.child(
1970                            h_flex()
1971                                .py_1()
1972                                .pl_2()
1973                                .pr_1()
1974                                .gap_1()
1975                                .justify_between()
1976                                .bg(cx.theme().colors().editor_background)
1977                                .border_t_1()
1978                                .border_color(self.tool_card_border_color(cx))
1979                                .rounded_b_lg()
1980                                .child(Label::new("Action Confirmation").color(Color::Muted).size(LabelSize::Small))
1981                                .child(
1982                                    h_flex()
1983                                        .gap_0p5()
1984                                        .child({
1985                                            let tool_id = tool_use.id.clone();
1986                                            Button::new(
1987                                                "always-allow-tool-action",
1988                                                "Always Allow",
1989                                            )
1990                                            .label_size(LabelSize::Small)
1991                                            .icon(IconName::CheckDouble)
1992                                            .icon_position(IconPosition::Start)
1993                                            .icon_size(IconSize::Small)
1994                                            .icon_color(Color::Success)
1995                                            .tooltip(move |window, cx|  {
1996                                                Tooltip::with_meta(
1997                                                    "Never ask for permission",
1998                                                    None,
1999                                                    "Restore the original behavior in your Agent Panel settings",
2000                                                    window,
2001                                                    cx,
2002                                                )
2003                                            })
2004                                            .on_click(cx.listener(
2005                                                move |this, event, window, cx| {
2006                                                    if let Some(fs) = fs.clone() {
2007                                                        update_settings_file::<AssistantSettings>(
2008                                                            fs.clone(),
2009                                                            cx,
2010                                                            |settings, _| {
2011                                                                settings.set_always_allow_tool_actions(true);
2012                                                            },
2013                                                        );
2014                                                    }
2015                                                    this.handle_allow_tool(
2016                                                        tool_id.clone(),
2017                                                        event,
2018                                                        window,
2019                                                        cx,
2020                                                    )
2021                                                },
2022                                            ))
2023                                        })
2024                                        .child(ui::Divider::vertical())
2025                                        .child({
2026                                            let tool_id = tool_use.id.clone();
2027                                            Button::new("allow-tool-action", "Allow")
2028                                                .label_size(LabelSize::Small)
2029                                                .icon(IconName::Check)
2030                                                .icon_position(IconPosition::Start)
2031                                                .icon_size(IconSize::Small)
2032                                                .icon_color(Color::Success)
2033                                                .on_click(cx.listener(
2034                                                    move |this, event, window, cx| {
2035                                                        this.handle_allow_tool(
2036                                                            tool_id.clone(),
2037                                                            event,
2038                                                            window,
2039                                                            cx,
2040                                                        )
2041                                                    },
2042                                                ))
2043                                        })
2044                                        .child({
2045                                            let tool_id = tool_use.id.clone();
2046                                            let tool_name: Arc<str> = tool_use.name.into();
2047                                            Button::new("deny-tool", "Deny")
2048                                                .label_size(LabelSize::Small)
2049                                                .icon(IconName::Close)
2050                                                .icon_position(IconPosition::Start)
2051                                                .icon_size(IconSize::Small)
2052                                                .icon_color(Color::Error)
2053                                                .on_click(cx.listener(
2054                                                    move |this, event, window, cx| {
2055                                                        this.handle_deny_tool(
2056                                                            tool_id.clone(),
2057                                                            tool_name.clone(),
2058                                                            event,
2059                                                            window,
2060                                                            cx,
2061                                                        )
2062                                                    },
2063                                                ))
2064                                        }),
2065                                ),
2066                        )
2067                    })
2068            }
2069        })
2070    }
2071
2072    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
2073        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2074        else {
2075            return div().into_any();
2076        };
2077
2078        let rules_files = system_prompt_context
2079            .worktrees
2080            .iter()
2081            .filter_map(|worktree| worktree.rules_file.as_ref())
2082            .collect::<Vec<_>>();
2083
2084        let label_text = match rules_files.as_slice() {
2085            &[] => return div().into_any(),
2086            &[rules_file] => {
2087                format!("Using {:?} file", rules_file.rel_path)
2088            }
2089            rules_files => {
2090                format!("Using {} rules files", rules_files.len())
2091            }
2092        };
2093
2094        div()
2095            .pt_1()
2096            .px_2p5()
2097            .child(
2098                h_flex()
2099                    .w_full()
2100                    .gap_0p5()
2101                    .child(
2102                        h_flex()
2103                            .gap_1p5()
2104                            .child(
2105                                Icon::new(IconName::File)
2106                                    .size(IconSize::XSmall)
2107                                    .color(Color::Disabled),
2108                            )
2109                            .child(
2110                                Label::new(label_text)
2111                                    .size(LabelSize::XSmall)
2112                                    .color(Color::Muted)
2113                                    .buffer_font(cx),
2114                            ),
2115                    )
2116                    .child(
2117                        IconButton::new("open-rule", IconName::ArrowUpRightAlt)
2118                            .shape(ui::IconButtonShape::Square)
2119                            .icon_size(IconSize::XSmall)
2120                            .icon_color(Color::Ignored)
2121                            .on_click(cx.listener(Self::handle_open_rules))
2122                            .tooltip(Tooltip::text("View Rules")),
2123                    ),
2124            )
2125            .into_any()
2126    }
2127
2128    fn handle_allow_tool(
2129        &mut self,
2130        tool_use_id: LanguageModelToolUseId,
2131        _: &ClickEvent,
2132        _window: &mut Window,
2133        cx: &mut Context<Self>,
2134    ) {
2135        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
2136            .thread
2137            .read(cx)
2138            .pending_tool(&tool_use_id)
2139            .map(|tool_use| tool_use.status.clone())
2140        {
2141            self.thread.update(cx, |thread, cx| {
2142                thread.run_tool(
2143                    c.tool_use_id.clone(),
2144                    c.ui_text.clone(),
2145                    c.input.clone(),
2146                    &c.messages,
2147                    c.tool.clone(),
2148                    cx,
2149                );
2150            });
2151        }
2152    }
2153
2154    fn handle_deny_tool(
2155        &mut self,
2156        tool_use_id: LanguageModelToolUseId,
2157        tool_name: Arc<str>,
2158        _: &ClickEvent,
2159        _window: &mut Window,
2160        cx: &mut Context<Self>,
2161    ) {
2162        self.thread.update(cx, |thread, cx| {
2163            thread.deny_tool_use(tool_use_id, tool_name, cx);
2164        });
2165    }
2166
2167    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
2168        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2169        else {
2170            return;
2171        };
2172
2173        let abs_paths = system_prompt_context
2174            .worktrees
2175            .iter()
2176            .flat_map(|worktree| worktree.rules_file.as_ref())
2177            .map(|rules_file| rules_file.abs_path.to_path_buf())
2178            .collect::<Vec<_>>();
2179
2180        if let Ok(task) = self.workspace.update(cx, move |workspace, cx| {
2181            // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
2182            // files clear. For example, if rules file 1 is already open but rules file 2 is not,
2183            // this would open and focus rules file 2 in a tab that is not next to rules file 1.
2184            workspace.open_paths(abs_paths, OpenOptions::default(), None, window, cx)
2185        }) {
2186            task.detach();
2187        }
2188    }
2189
2190    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
2191        for window in self.notifications.drain(..) {
2192            window
2193                .update(cx, |_, window, _| {
2194                    window.remove_window();
2195                })
2196                .ok();
2197
2198            self.notification_subscriptions.remove(&window);
2199        }
2200    }
2201
2202    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
2203        div()
2204            .occlude()
2205            .id("active-thread-scrollbar")
2206            .on_mouse_move(cx.listener(|_, _, _, cx| {
2207                cx.notify();
2208                cx.stop_propagation()
2209            }))
2210            .on_hover(|_, _, cx| {
2211                cx.stop_propagation();
2212            })
2213            .on_any_mouse_down(|_, _, cx| {
2214                cx.stop_propagation();
2215            })
2216            .on_mouse_up(
2217                MouseButton::Left,
2218                cx.listener(|_, _, _, cx| {
2219                    cx.stop_propagation();
2220                }),
2221            )
2222            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
2223                cx.notify();
2224            }))
2225            .h_full()
2226            .absolute()
2227            .right_1()
2228            .top_1()
2229            .bottom_0()
2230            .w(px(12.))
2231            .cursor_default()
2232            .children(Scrollbar::vertical(self.scrollbar_state.clone()))
2233    }
2234}
2235
2236impl Render for ActiveThread {
2237    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2238        v_flex()
2239            .size_full()
2240            .relative()
2241            .child(list(self.list_state.clone()).flex_grow())
2242            .child(self.render_vertical_scrollbar(cx))
2243    }
2244}
2245
2246pub(crate) fn open_context(
2247    id: ContextId,
2248    context_store: Entity<ContextStore>,
2249    workspace: Entity<Workspace>,
2250    window: &mut Window,
2251    cx: &mut App,
2252) {
2253    let Some(context) = context_store.read(cx).context_for_id(id) else {
2254        return;
2255    };
2256
2257    match context {
2258        AssistantContext::File(file_context) => {
2259            if let Some(project_path) = file_context.context_buffer.buffer.read(cx).project_path(cx)
2260            {
2261                workspace.update(cx, |workspace, cx| {
2262                    workspace
2263                        .open_path(project_path, None, true, window, cx)
2264                        .detach_and_log_err(cx);
2265                });
2266            }
2267        }
2268        AssistantContext::Directory(directory_context) => {
2269            let path = directory_context.project_path.clone();
2270            workspace.update(cx, |workspace, cx| {
2271                workspace.project().update(cx, |project, cx| {
2272                    if let Some(entry) = project.entry_for_path(&path, cx) {
2273                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
2274                    }
2275                })
2276            })
2277        }
2278        AssistantContext::Symbol(symbol_context) => {
2279            if let Some(project_path) = symbol_context
2280                .context_symbol
2281                .buffer
2282                .read(cx)
2283                .project_path(cx)
2284            {
2285                let snapshot = symbol_context.context_symbol.buffer.read(cx).snapshot();
2286                let target_position = symbol_context
2287                    .context_symbol
2288                    .id
2289                    .range
2290                    .start
2291                    .to_point(&snapshot);
2292
2293                let open_task = workspace.update(cx, |workspace, cx| {
2294                    workspace.open_path(project_path, None, true, window, cx)
2295                });
2296                window
2297                    .spawn(cx, async move |cx| {
2298                        if let Some(active_editor) = open_task
2299                            .await
2300                            .log_err()
2301                            .and_then(|item| item.downcast::<Editor>())
2302                        {
2303                            active_editor
2304                                .downgrade()
2305                                .update_in(cx, |editor, window, cx| {
2306                                    editor.go_to_singleton_buffer_point(
2307                                        target_position,
2308                                        window,
2309                                        cx,
2310                                    );
2311                                })
2312                                .log_err();
2313                        }
2314                    })
2315                    .detach();
2316            }
2317        }
2318        AssistantContext::FetchedUrl(fetched_url_context) => {
2319            cx.open_url(&fetched_url_context.url);
2320        }
2321        AssistantContext::Thread(thread_context) => {
2322            let thread_id = thread_context.thread.read(cx).id().clone();
2323            workspace.update(cx, |workspace, cx| {
2324                if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
2325                    panel.update(cx, |panel, cx| {
2326                        panel
2327                            .open_thread(&thread_id, window, cx)
2328                            .detach_and_log_err(cx)
2329                    });
2330                }
2331            })
2332        }
2333    }
2334}