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, refresh_context_store_text};
  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        ..Default::default()
 249    };
 250
 251    cx.new(|cx| {
 252        Markdown::new(text, markdown_style, Some(language_registry), None, cx).open_url(
 253            move |text, window, cx| {
 254                open_markdown_link(text, workspace.clone(), window, cx);
 255            },
 256        )
 257    })
 258}
 259
 260fn open_markdown_link(
 261    text: SharedString,
 262    workspace: WeakEntity<Workspace>,
 263    window: &mut Window,
 264    cx: &mut App,
 265) {
 266    let Some(workspace) = workspace.upgrade() else {
 267        cx.open_url(&text);
 268        return;
 269    };
 270
 271    match MentionLink::try_parse(&text, &workspace, cx) {
 272        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 273            if entry.is_dir() {
 274                workspace.project().update(cx, |_, cx| {
 275                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 276                })
 277            } else {
 278                workspace
 279                    .open_path(path, None, true, window, cx)
 280                    .detach_and_log_err(cx);
 281            }
 282        }),
 283        Some(MentionLink::Symbol(path, symbol_name)) => {
 284            let open_task = workspace.update(cx, |workspace, cx| {
 285                workspace.open_path(path, None, true, window, cx)
 286            });
 287            window
 288                .spawn(cx, async move |cx| {
 289                    let active_editor = open_task
 290                        .await?
 291                        .downcast::<Editor>()
 292                        .context("Item is not an editor")?;
 293                    active_editor.update_in(cx, |editor, window, cx| {
 294                        let symbol_range = editor
 295                            .buffer()
 296                            .read(cx)
 297                            .snapshot(cx)
 298                            .outline(None)
 299                            .and_then(|outline| {
 300                                outline
 301                                    .find_most_similar(&symbol_name)
 302                                    .map(|(_, item)| item.range.clone())
 303                            })
 304                            .context("Could not find matching symbol")?;
 305
 306                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 307                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 308                        });
 309                        anyhow::Ok(())
 310                    })
 311                })
 312                .detach_and_log_err(cx);
 313        }
 314        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 315            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
 316                panel.update(cx, |panel, cx| {
 317                    panel
 318                        .open_thread(&thread_id, window, cx)
 319                        .detach_and_log_err(cx)
 320                });
 321            }
 322        }),
 323        None => cx.open_url(&text),
 324    }
 325}
 326
 327struct EditMessageState {
 328    editor: Entity<Editor>,
 329}
 330
 331impl ActiveThread {
 332    pub fn new(
 333        thread: Entity<Thread>,
 334        thread_store: Entity<ThreadStore>,
 335        language_registry: Arc<LanguageRegistry>,
 336        context_store: Entity<ContextStore>,
 337        workspace: WeakEntity<Workspace>,
 338        window: &mut Window,
 339        cx: &mut Context<Self>,
 340    ) -> Self {
 341        let subscriptions = vec![
 342            cx.observe(&thread, |_, _, cx| cx.notify()),
 343            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 344        ];
 345
 346        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 347            let this = cx.entity().downgrade();
 348            move |ix, window: &mut Window, cx: &mut App| {
 349                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 350                    .unwrap()
 351            }
 352        });
 353
 354        let mut this = Self {
 355            language_registry,
 356            thread_store,
 357            thread: thread.clone(),
 358            context_store,
 359            workspace,
 360            save_thread_task: None,
 361            messages: Vec::new(),
 362            rendered_messages_by_id: HashMap::default(),
 363            rendered_tool_use_labels: HashMap::default(),
 364            expanded_tool_uses: HashMap::default(),
 365            expanded_thinking_segments: HashMap::default(),
 366            list_state: list_state.clone(),
 367            scrollbar_state: ScrollbarState::new(list_state),
 368            editing_message: None,
 369            last_error: None,
 370            notifications: Vec::new(),
 371            _subscriptions: subscriptions,
 372            notification_subscriptions: HashMap::default(),
 373            feedback_message_editor: None,
 374        };
 375
 376        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 377            this.push_message(&message.id, &message.segments, window, cx);
 378
 379            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 380                this.render_tool_use_label_markdown(
 381                    tool_use.id.clone(),
 382                    tool_use.ui_text.clone(),
 383                    window,
 384                    cx,
 385                );
 386            }
 387        }
 388
 389        this
 390    }
 391
 392    pub fn thread(&self) -> &Entity<Thread> {
 393        &self.thread
 394    }
 395
 396    pub fn is_empty(&self) -> bool {
 397        self.messages.is_empty()
 398    }
 399
 400    pub fn summary(&self, cx: &App) -> Option<SharedString> {
 401        self.thread.read(cx).summary()
 402    }
 403
 404    pub fn summary_or_default(&self, cx: &App) -> SharedString {
 405        self.thread.read(cx).summary_or_default()
 406    }
 407
 408    pub fn cancel_last_completion(&mut self, cx: &mut App) -> bool {
 409        self.last_error.take();
 410        self.thread
 411            .update(cx, |thread, cx| thread.cancel_last_completion(cx))
 412    }
 413
 414    pub fn last_error(&self) -> Option<ThreadError> {
 415        self.last_error.clone()
 416    }
 417
 418    pub fn clear_last_error(&mut self) {
 419        self.last_error.take();
 420    }
 421
 422    fn push_message(
 423        &mut self,
 424        id: &MessageId,
 425        segments: &[MessageSegment],
 426        window: &mut Window,
 427        cx: &mut Context<Self>,
 428    ) {
 429        let old_len = self.messages.len();
 430        self.messages.push(*id);
 431        self.list_state.splice(old_len..old_len, 1);
 432
 433        let rendered_message = RenderedMessage::from_segments(
 434            segments,
 435            self.language_registry.clone(),
 436            self.workspace.clone(),
 437            window,
 438            cx,
 439        );
 440        self.rendered_messages_by_id.insert(*id, rendered_message);
 441    }
 442
 443    fn edited_message(
 444        &mut self,
 445        id: &MessageId,
 446        segments: &[MessageSegment],
 447        window: &mut Window,
 448        cx: &mut Context<Self>,
 449    ) {
 450        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 451            return;
 452        };
 453        self.list_state.splice(index..index + 1, 1);
 454        let rendered_message = RenderedMessage::from_segments(
 455            segments,
 456            self.language_registry.clone(),
 457            self.workspace.clone(),
 458            window,
 459            cx,
 460        );
 461        self.rendered_messages_by_id.insert(*id, rendered_message);
 462    }
 463
 464    fn deleted_message(&mut self, id: &MessageId) {
 465        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 466            return;
 467        };
 468        self.messages.remove(index);
 469        self.list_state.splice(index..index + 1, 0);
 470        self.rendered_messages_by_id.remove(id);
 471    }
 472
 473    fn render_tool_use_label_markdown(
 474        &mut self,
 475        tool_use_id: LanguageModelToolUseId,
 476        tool_label: impl Into<SharedString>,
 477        window: &mut Window,
 478        cx: &mut Context<Self>,
 479    ) {
 480        self.rendered_tool_use_labels.insert(
 481            tool_use_id,
 482            render_markdown(
 483                tool_label.into(),
 484                self.language_registry.clone(),
 485                self.workspace.clone(),
 486                window,
 487                cx,
 488            ),
 489        );
 490    }
 491
 492    fn handle_thread_event(
 493        &mut self,
 494        _thread: &Entity<Thread>,
 495        event: &ThreadEvent,
 496        window: &mut Window,
 497        cx: &mut Context<Self>,
 498    ) {
 499        match event {
 500            ThreadEvent::ShowError(error) => {
 501                self.last_error = Some(error.clone());
 502            }
 503            ThreadEvent::StreamedCompletion | ThreadEvent::SummaryChanged => {
 504                self.save_thread(cx);
 505            }
 506            ThreadEvent::DoneStreaming => {
 507                let thread = self.thread.read(cx);
 508
 509                if !thread.is_generating() {
 510                    self.show_notification(
 511                        if thread.used_tools_since_last_user_message() {
 512                            "Finished running tools"
 513                        } else {
 514                            "New message"
 515                        },
 516                        IconName::ZedAssistant,
 517                        window,
 518                        cx,
 519                    );
 520                }
 521            }
 522            ThreadEvent::ToolConfirmationNeeded => {
 523                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
 524            }
 525            ThreadEvent::StreamedAssistantText(message_id, text) => {
 526                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 527                    rendered_message.append_text(text, self.workspace.clone(), window, cx);
 528                }
 529            }
 530            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
 531                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 532                    rendered_message.append_thinking(text, self.workspace.clone(), window, cx);
 533                }
 534            }
 535            ThreadEvent::MessageAdded(message_id) => {
 536                if let Some(message_segments) = self
 537                    .thread
 538                    .read(cx)
 539                    .message(*message_id)
 540                    .map(|message| message.segments.clone())
 541                {
 542                    self.push_message(message_id, &message_segments, window, cx);
 543                }
 544
 545                self.save_thread(cx);
 546                cx.notify();
 547            }
 548            ThreadEvent::MessageEdited(message_id) => {
 549                if let Some(message_segments) = self
 550                    .thread
 551                    .read(cx)
 552                    .message(*message_id)
 553                    .map(|message| message.segments.clone())
 554                {
 555                    self.edited_message(message_id, &message_segments, window, cx);
 556                }
 557
 558                self.save_thread(cx);
 559                cx.notify();
 560            }
 561            ThreadEvent::MessageDeleted(message_id) => {
 562                self.deleted_message(message_id);
 563                self.save_thread(cx);
 564                cx.notify();
 565            }
 566            ThreadEvent::UsePendingTools => {
 567                let tool_uses = self
 568                    .thread
 569                    .update(cx, |thread, cx| thread.use_pending_tools(cx));
 570
 571                for tool_use in tool_uses {
 572                    self.render_tool_use_label_markdown(
 573                        tool_use.id.clone(),
 574                        tool_use.ui_text.clone(),
 575                        window,
 576                        cx,
 577                    );
 578                }
 579            }
 580            ThreadEvent::ToolFinished {
 581                pending_tool_use,
 582                canceled,
 583                ..
 584            } => {
 585                let canceled = *canceled;
 586                if let Some(tool_use) = pending_tool_use {
 587                    self.render_tool_use_label_markdown(
 588                        tool_use.id.clone(),
 589                        SharedString::from(tool_use.ui_text.clone()),
 590                        window,
 591                        cx,
 592                    );
 593                }
 594
 595                if self.thread.read(cx).all_tools_finished() {
 596                    let pending_refresh_buffers = self.thread.update(cx, |thread, cx| {
 597                        thread.action_log().update(cx, |action_log, _cx| {
 598                            action_log.take_stale_buffers_in_context()
 599                        })
 600                    });
 601
 602                    let context_update_task = if !pending_refresh_buffers.is_empty() {
 603                        let refresh_task = refresh_context_store_text(
 604                            self.context_store.clone(),
 605                            &pending_refresh_buffers,
 606                            cx,
 607                        );
 608
 609                        cx.spawn(async move |this, cx| {
 610                            let updated_context_ids = refresh_task.await;
 611
 612                            this.update(cx, |this, cx| {
 613                                this.context_store.read_with(cx, |context_store, _cx| {
 614                                    context_store
 615                                        .context()
 616                                        .iter()
 617                                        .filter(|context| {
 618                                            updated_context_ids.contains(&context.id())
 619                                        })
 620                                        .cloned()
 621                                        .collect()
 622                                })
 623                            })
 624                        })
 625                    } else {
 626                        Task::ready(anyhow::Ok(Vec::new()))
 627                    };
 628
 629                    let model_registry = LanguageModelRegistry::read_global(cx);
 630                    if let Some(model) = model_registry.active_model() {
 631                        cx.spawn(async move |this, cx| {
 632                            let updated_context = context_update_task.await?;
 633
 634                            this.update(cx, |this, cx| {
 635                                this.thread.update(cx, |thread, cx| {
 636                                    thread.attach_tool_results(updated_context, cx);
 637                                    if !canceled {
 638                                        thread.send_to_model(model, RequestKind::Chat, cx);
 639                                    }
 640                                });
 641                            })
 642                        })
 643                        .detach();
 644                    }
 645                }
 646            }
 647            ThreadEvent::CheckpointChanged => cx.notify(),
 648        }
 649    }
 650
 651    fn show_notification(
 652        &mut self,
 653        caption: impl Into<SharedString>,
 654        icon: IconName,
 655        window: &mut Window,
 656        cx: &mut Context<ActiveThread>,
 657    ) {
 658        if window.is_window_active() || !self.notifications.is_empty() {
 659            return;
 660        }
 661
 662        let title = self
 663            .thread
 664            .read(cx)
 665            .summary()
 666            .unwrap_or("Agent Panel".into());
 667
 668        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
 669            NotifyWhenAgentWaiting::PrimaryScreen => {
 670                if let Some(primary) = cx.primary_display() {
 671                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
 672                }
 673            }
 674            NotifyWhenAgentWaiting::AllScreens => {
 675                let caption = caption.into();
 676                for screen in cx.displays() {
 677                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
 678                }
 679            }
 680            NotifyWhenAgentWaiting::Never => {
 681                // Don't show anything
 682            }
 683        }
 684    }
 685
 686    fn pop_up(
 687        &mut self,
 688        icon: IconName,
 689        caption: SharedString,
 690        title: SharedString,
 691        window: &mut Window,
 692        screen: Rc<dyn PlatformDisplay>,
 693        cx: &mut Context<'_, ActiveThread>,
 694    ) {
 695        let options = AgentNotification::window_options(screen, cx);
 696
 697        if let Some(screen_window) = cx
 698            .open_window(options, |_, cx| {
 699                cx.new(|_| AgentNotification::new(title.clone(), caption.clone(), icon))
 700            })
 701            .log_err()
 702        {
 703            if let Some(pop_up) = screen_window.entity(cx).log_err() {
 704                self.notification_subscriptions
 705                    .entry(screen_window)
 706                    .or_insert_with(Vec::new)
 707                    .push(cx.subscribe_in(&pop_up, window, {
 708                        |this, _, event, window, cx| match event {
 709                            AgentNotificationEvent::Accepted => {
 710                                let handle = window.window_handle();
 711                                cx.activate(true); // Switch back to the Zed application
 712
 713                                let workspace_handle = this.workspace.clone();
 714
 715                                // If there are multiple Zed windows, activate the correct one.
 716                                cx.defer(move |cx| {
 717                                    handle
 718                                        .update(cx, |_view, window, _cx| {
 719                                            window.activate_window();
 720
 721                                            if let Some(workspace) = workspace_handle.upgrade() {
 722                                                workspace.update(_cx, |workspace, cx| {
 723                                                    workspace
 724                                                        .focus_panel::<AssistantPanel>(window, cx);
 725                                                });
 726                                            }
 727                                        })
 728                                        .log_err();
 729                                });
 730
 731                                this.dismiss_notifications(cx);
 732                            }
 733                            AgentNotificationEvent::Dismissed => {
 734                                this.dismiss_notifications(cx);
 735                            }
 736                        }
 737                    }));
 738
 739                self.notifications.push(screen_window);
 740
 741                // If the user manually refocuses the original window, dismiss the popup.
 742                self.notification_subscriptions
 743                    .entry(screen_window)
 744                    .or_insert_with(Vec::new)
 745                    .push({
 746                        let pop_up_weak = pop_up.downgrade();
 747
 748                        cx.observe_window_activation(window, move |_, window, cx| {
 749                            if window.is_window_active() {
 750                                if let Some(pop_up) = pop_up_weak.upgrade() {
 751                                    pop_up.update(cx, |_, cx| {
 752                                        cx.emit(AgentNotificationEvent::Dismissed);
 753                                    });
 754                                }
 755                            }
 756                        })
 757                    });
 758            }
 759        }
 760    }
 761
 762    /// Spawns a task to save the active thread.
 763    ///
 764    /// Only one task to save the thread will be in flight at a time.
 765    fn save_thread(&mut self, cx: &mut Context<Self>) {
 766        let thread = self.thread.clone();
 767        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
 768            let task = this
 769                .update(cx, |this, cx| {
 770                    this.thread_store
 771                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
 772                })
 773                .ok();
 774
 775            if let Some(task) = task {
 776                task.await.log_err();
 777            }
 778        }));
 779    }
 780
 781    fn start_editing_message(
 782        &mut self,
 783        message_id: MessageId,
 784        message_segments: &[MessageSegment],
 785        window: &mut Window,
 786        cx: &mut Context<Self>,
 787    ) {
 788        // User message should always consist of a single text segment,
 789        // therefore we can skip returning early if it's not a text segment.
 790        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
 791            return;
 792        };
 793
 794        let buffer = cx.new(|cx| {
 795            MultiBuffer::singleton(cx.new(|cx| Buffer::local(message_text.clone(), cx)), cx)
 796        });
 797        let editor = cx.new(|cx| {
 798            let mut editor = Editor::new(
 799                editor::EditorMode::AutoHeight { max_lines: 8 },
 800                buffer,
 801                None,
 802                window,
 803                cx,
 804            );
 805            editor.focus_handle(cx).focus(window);
 806            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
 807            editor
 808        });
 809        self.editing_message = Some((
 810            message_id,
 811            EditMessageState {
 812                editor: editor.clone(),
 813            },
 814        ));
 815        cx.notify();
 816    }
 817
 818    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
 819        self.editing_message.take();
 820        cx.notify();
 821    }
 822
 823    fn confirm_editing_message(
 824        &mut self,
 825        _: &menu::Confirm,
 826        _: &mut Window,
 827        cx: &mut Context<Self>,
 828    ) {
 829        let Some((message_id, state)) = self.editing_message.take() else {
 830            return;
 831        };
 832        let edited_text = state.editor.read(cx).text(cx);
 833        self.thread.update(cx, |thread, cx| {
 834            thread.edit_message(
 835                message_id,
 836                Role::User,
 837                vec![MessageSegment::Text(edited_text)],
 838                cx,
 839            );
 840            for message_id in self.messages_after(message_id) {
 841                thread.delete_message(*message_id, cx);
 842            }
 843        });
 844
 845        let provider = LanguageModelRegistry::read_global(cx).active_provider();
 846        if provider
 847            .as_ref()
 848            .map_or(false, |provider| provider.must_accept_terms(cx))
 849        {
 850            cx.notify();
 851            return;
 852        }
 853        let model_registry = LanguageModelRegistry::read_global(cx);
 854        let Some(model) = model_registry.active_model() else {
 855            return;
 856        };
 857
 858        self.thread.update(cx, |thread, cx| {
 859            thread.send_to_model(model, RequestKind::Chat, cx)
 860        });
 861        cx.notify();
 862    }
 863
 864    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
 865        self.messages
 866            .iter()
 867            .position(|id| *id == message_id)
 868            .map(|index| &self.messages[index + 1..])
 869            .unwrap_or(&[])
 870    }
 871
 872    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 873        self.cancel_editing_message(&menu::Cancel, window, cx);
 874    }
 875
 876    fn handle_regenerate_click(
 877        &mut self,
 878        _: &ClickEvent,
 879        window: &mut Window,
 880        cx: &mut Context<Self>,
 881    ) {
 882        self.confirm_editing_message(&menu::Confirm, window, cx);
 883    }
 884
 885    fn handle_feedback_click(
 886        &mut self,
 887        feedback: ThreadFeedback,
 888        window: &mut Window,
 889        cx: &mut Context<Self>,
 890    ) {
 891        match feedback {
 892            ThreadFeedback::Positive => {
 893                let report = self
 894                    .thread
 895                    .update(cx, |thread, cx| thread.report_feedback(feedback, cx));
 896
 897                let this = cx.entity().downgrade();
 898                cx.spawn(async move |_, cx| {
 899                    report.await?;
 900                    this.update(cx, |_this, cx| cx.notify())
 901                })
 902                .detach_and_log_err(cx);
 903            }
 904            ThreadFeedback::Negative => {
 905                self.handle_show_feedback_comments(window, cx);
 906            }
 907        }
 908    }
 909
 910    fn handle_show_feedback_comments(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 911        if self.feedback_message_editor.is_some() {
 912            return;
 913        }
 914
 915        let buffer = cx.new(|cx| {
 916            let empty_string = String::new();
 917            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 918        });
 919
 920        let editor = cx.new(|cx| {
 921            let mut editor = Editor::new(
 922                editor::EditorMode::AutoHeight { max_lines: 4 },
 923                buffer,
 924                None,
 925                window,
 926                cx,
 927            );
 928            editor.set_placeholder_text(
 929                "What went wrong? Share your feedback so we can improve.",
 930                cx,
 931            );
 932            editor
 933        });
 934
 935        editor.read(cx).focus_handle(cx).focus(window);
 936        self.feedback_message_editor = Some(editor);
 937        cx.notify();
 938    }
 939
 940    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
 941        let Some(editor) = self.feedback_message_editor.clone() else {
 942            return;
 943        };
 944
 945        let report_task = self.thread.update(cx, |thread, cx| {
 946            thread.report_feedback(ThreadFeedback::Negative, cx)
 947        });
 948
 949        let comments = editor.read(cx).text(cx);
 950        if !comments.is_empty() {
 951            let thread_id = self.thread.read(cx).id().clone();
 952
 953            telemetry::event!("Assistant Thread Feedback Comments", thread_id, comments);
 954        }
 955
 956        self.feedback_message_editor = None;
 957
 958        let this = cx.entity().downgrade();
 959        cx.spawn(async move |_, cx| {
 960            report_task.await?;
 961            this.update(cx, |_this, cx| cx.notify())
 962        })
 963        .detach_and_log_err(cx);
 964    }
 965
 966    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
 967        let message_id = self.messages[ix];
 968        let Some(message) = self.thread.read(cx).message(message_id) else {
 969            return Empty.into_any();
 970        };
 971
 972        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
 973            return Empty.into_any();
 974        };
 975
 976        let context_store = self.context_store.clone();
 977        let workspace = self.workspace.clone();
 978
 979        let thread = self.thread.read(cx);
 980        // Get all the data we need from thread before we start using it in closures
 981        let checkpoint = thread.checkpoint_for_message(message_id);
 982        let context = thread.context_for_message(message_id).collect::<Vec<_>>();
 983        let tool_uses = thread.tool_uses_for_message(message_id, cx);
 984        let has_tool_uses = !tool_uses.is_empty();
 985
 986        // Don't render user messages that are just there for returning tool results.
 987        if message.role == Role::User && thread.message_has_tool_results(message_id) {
 988            return Empty.into_any();
 989        }
 990
 991        let allow_editing_message = message.role == Role::User;
 992
 993        let edit_message_editor = self
 994            .editing_message
 995            .as_ref()
 996            .filter(|(id, _)| *id == message_id)
 997            .map(|(_, state)| state.editor.clone());
 998
 999        let first_message = ix == 0;
1000        let show_feedback = ix == self.messages.len() - 1 && message.role != Role::User;
1001
1002        let colors = cx.theme().colors();
1003        let active_color = colors.element_active;
1004        let editor_bg_color = colors.editor_background;
1005        let bg_user_message_header = editor_bg_color.blend(active_color.opacity(0.25));
1006
1007        let feedback_container = h_flex().pt_2().pb_4().px_4().gap_1().justify_between();
1008        let feedback_items = match self.thread.read(cx).feedback() {
1009            Some(feedback) => feedback_container
1010                .child(
1011                    Label::new(match feedback {
1012                        ThreadFeedback::Positive => "Thanks for your feedback!",
1013                        ThreadFeedback::Negative => {
1014                            "We appreciate your feedback and will use it to improve."
1015                        }
1016                    })
1017                    .color(Color::Muted)
1018                    .size(LabelSize::XSmall),
1019                )
1020                .child(
1021                    h_flex()
1022                        .gap_1()
1023                        .child(
1024                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1025                                .icon_size(IconSize::XSmall)
1026                                .icon_color(match feedback {
1027                                    ThreadFeedback::Positive => Color::Accent,
1028                                    ThreadFeedback::Negative => Color::Ignored,
1029                                })
1030                                .shape(ui::IconButtonShape::Square)
1031                                .tooltip(Tooltip::text("Helpful Response"))
1032                                .on_click(cx.listener(move |this, _, window, cx| {
1033                                    this.handle_feedback_click(
1034                                        ThreadFeedback::Positive,
1035                                        window,
1036                                        cx,
1037                                    );
1038                                })),
1039                        )
1040                        .child(
1041                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1042                                .icon_size(IconSize::XSmall)
1043                                .icon_color(match feedback {
1044                                    ThreadFeedback::Positive => Color::Ignored,
1045                                    ThreadFeedback::Negative => Color::Accent,
1046                                })
1047                                .shape(ui::IconButtonShape::Square)
1048                                .tooltip(Tooltip::text("Not Helpful"))
1049                                .on_click(cx.listener(move |this, _, window, cx| {
1050                                    this.handle_feedback_click(
1051                                        ThreadFeedback::Negative,
1052                                        window,
1053                                        cx,
1054                                    );
1055                                })),
1056                        ),
1057                )
1058                .into_any_element(),
1059            None => feedback_container
1060                .child(
1061                    Label::new(
1062                        "Rating the thread sends all of your current conversation to the Zed team.",
1063                    )
1064                    .color(Color::Muted)
1065                    .size(LabelSize::XSmall),
1066                )
1067                .child(
1068                    h_flex()
1069                        .gap_1()
1070                        .child(
1071                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1072                                .icon_size(IconSize::XSmall)
1073                                .icon_color(Color::Ignored)
1074                                .shape(ui::IconButtonShape::Square)
1075                                .tooltip(Tooltip::text("Helpful Response"))
1076                                .on_click(cx.listener(move |this, _, window, cx| {
1077                                    this.handle_feedback_click(
1078                                        ThreadFeedback::Positive,
1079                                        window,
1080                                        cx,
1081                                    );
1082                                })),
1083                        )
1084                        .child(
1085                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1086                                .icon_size(IconSize::XSmall)
1087                                .icon_color(Color::Ignored)
1088                                .shape(ui::IconButtonShape::Square)
1089                                .tooltip(Tooltip::text("Not Helpful"))
1090                                .on_click(cx.listener(move |this, _, window, cx| {
1091                                    this.handle_feedback_click(
1092                                        ThreadFeedback::Negative,
1093                                        window,
1094                                        cx,
1095                                    );
1096                                })),
1097                        ),
1098                )
1099                .into_any_element(),
1100        };
1101
1102        let message_is_empty = message.should_display_content();
1103        let has_content = !message_is_empty || !context.is_empty();
1104
1105        let message_content =
1106            has_content.then(|| {
1107                v_flex()
1108                    .gap_1p5()
1109                    .when(!message_is_empty, |parent| {
1110                        parent.child(
1111                            if let Some(edit_message_editor) = edit_message_editor.clone() {
1112                                div()
1113                                    .key_context("EditMessageEditor")
1114                                    .on_action(cx.listener(Self::cancel_editing_message))
1115                                    .on_action(cx.listener(Self::confirm_editing_message))
1116                                    .min_h_6()
1117                                    .child(edit_message_editor)
1118                                    .into_any()
1119                            } else {
1120                                div()
1121                                    .min_h_6()
1122                                    .text_ui(cx)
1123                                    .child(self.render_message_content(
1124                                        message_id,
1125                                        rendered_message,
1126                                        has_tool_uses,
1127                                        cx,
1128                                    ))
1129                                    .into_any()
1130                            },
1131                        )
1132                    })
1133                    .when(!context.is_empty(), |parent| {
1134                        parent.child(h_flex().flex_wrap().gap_1().children(
1135                            context.into_iter().map(|context| {
1136                                let context_id = context.id();
1137                                ContextPill::added(
1138                                    AddedContext::new(context, cx),
1139                                    false,
1140                                    false,
1141                                    None,
1142                                )
1143                                .on_click(Rc::new(cx.listener({
1144                                    let workspace = workspace.clone();
1145                                    let context_store = context_store.clone();
1146                                    move |_, _, window, cx| {
1147                                        if let Some(workspace) = workspace.upgrade() {
1148                                            open_context(
1149                                                context_id,
1150                                                context_store.clone(),
1151                                                workspace,
1152                                                window,
1153                                                cx,
1154                                            );
1155                                            cx.notify();
1156                                        }
1157                                    }
1158                                })))
1159                            }),
1160                        ))
1161                    })
1162            });
1163
1164        let styled_message = match message.role {
1165            Role::User => v_flex()
1166                .id(("message-container", ix))
1167                .map(|this| {
1168                    if first_message {
1169                        this.pt_2()
1170                    } else {
1171                        this.pt_4()
1172                    }
1173                })
1174                .pb_4()
1175                .pl_2()
1176                .pr_2p5()
1177                .child(
1178                    v_flex()
1179                        .bg(colors.editor_background)
1180                        .rounded_lg()
1181                        .border_1()
1182                        .border_color(colors.border)
1183                        .shadow_md()
1184                        .child(
1185                            h_flex()
1186                                .py_1()
1187                                .pl_2()
1188                                .pr_1()
1189                                .bg(bg_user_message_header)
1190                                .border_b_1()
1191                                .border_color(colors.border)
1192                                .justify_between()
1193                                .rounded_t_md()
1194                                .child(
1195                                    h_flex()
1196                                        .gap_1p5()
1197                                        .child(
1198                                            Icon::new(IconName::PersonCircle)
1199                                                .size(IconSize::XSmall)
1200                                                .color(Color::Muted),
1201                                        )
1202                                        .child(
1203                                            Label::new("You")
1204                                                .size(LabelSize::Small)
1205                                                .color(Color::Muted),
1206                                        ),
1207                                )
1208                                .child(
1209                                    h_flex()
1210                                        .gap_1()
1211                                        .when_some(
1212                                            edit_message_editor.clone(),
1213                                            |this, edit_message_editor| {
1214                                                let focus_handle =
1215                                                    edit_message_editor.focus_handle(cx);
1216                                                this.child(
1217                                                    Button::new("cancel-edit-message", "Cancel")
1218                                                        .label_size(LabelSize::Small)
1219                                                        .key_binding(
1220                                                            KeyBinding::for_action_in(
1221                                                                &menu::Cancel,
1222                                                                &focus_handle,
1223                                                                window,
1224                                                                cx,
1225                                                            )
1226                                                            .map(|kb| kb.size(rems_from_px(12.))),
1227                                                        )
1228                                                        .on_click(
1229                                                            cx.listener(Self::handle_cancel_click),
1230                                                        ),
1231                                                )
1232                                                .child(
1233                                                    Button::new(
1234                                                        "confirm-edit-message",
1235                                                        "Regenerate",
1236                                                    )
1237                                                    .label_size(LabelSize::Small)
1238                                                    .key_binding(
1239                                                        KeyBinding::for_action_in(
1240                                                            &menu::Confirm,
1241                                                            &focus_handle,
1242                                                            window,
1243                                                            cx,
1244                                                        )
1245                                                        .map(|kb| kb.size(rems_from_px(12.))),
1246                                                    )
1247                                                    .on_click(
1248                                                        cx.listener(Self::handle_regenerate_click),
1249                                                    ),
1250                                                )
1251                                            },
1252                                        )
1253                                        .when(
1254                                            edit_message_editor.is_none() && allow_editing_message,
1255                                            |this| {
1256                                                this.child(
1257                                                    Button::new("edit-message", "Edit")
1258                                                        .label_size(LabelSize::Small)
1259                                                        .on_click(cx.listener({
1260                                                            let message_segments =
1261                                                                message.segments.clone();
1262                                                            move |this, _, window, cx| {
1263                                                                this.start_editing_message(
1264                                                                    message_id,
1265                                                                    &message_segments,
1266                                                                    window,
1267                                                                    cx,
1268                                                                );
1269                                                            }
1270                                                        })),
1271                                                )
1272                                            },
1273                                        ),
1274                                ),
1275                        )
1276                        .child(div().p_2().children(message_content)),
1277                ),
1278            Role::Assistant => v_flex()
1279                .id(("message-container", ix))
1280                .ml_2()
1281                .pl_2()
1282                .pr_4()
1283                .border_l_1()
1284                .border_color(cx.theme().colors().border_variant)
1285                .children(message_content)
1286                .gap_2p5()
1287                .pb_2p5()
1288                .when(!tool_uses.is_empty(), |parent| {
1289                    parent.child(
1290                        v_flex().children(
1291                            tool_uses
1292                                .into_iter()
1293                                .map(|tool_use| self.render_tool_use(tool_use, cx)),
1294                        ),
1295                    )
1296                }),
1297            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
1298                v_flex()
1299                    .bg(colors.editor_background)
1300                    .rounded_sm()
1301                    .child(div().p_4().children(message_content)),
1302            ),
1303        };
1304
1305        v_flex()
1306            .w_full()
1307            .when(first_message, |parent| {
1308                parent.child(self.render_rules_item(cx))
1309            })
1310            .when_some(checkpoint, |parent, checkpoint| {
1311                let mut is_pending = false;
1312                let mut error = None;
1313                if let Some(last_restore_checkpoint) =
1314                    self.thread.read(cx).last_restore_checkpoint()
1315                {
1316                    if last_restore_checkpoint.message_id() == message_id {
1317                        match last_restore_checkpoint {
1318                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
1319                            LastRestoreCheckpoint::Error { error: err, .. } => {
1320                                error = Some(err.clone());
1321                            }
1322                        }
1323                    }
1324                }
1325
1326                let restore_checkpoint_button =
1327                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
1328                        .icon(if error.is_some() {
1329                            IconName::XCircle
1330                        } else {
1331                            IconName::Undo
1332                        })
1333                        .icon_size(IconSize::XSmall)
1334                        .icon_position(IconPosition::Start)
1335                        .icon_color(if error.is_some() {
1336                            Some(Color::Error)
1337                        } else {
1338                            None
1339                        })
1340                        .label_size(LabelSize::XSmall)
1341                        .disabled(is_pending)
1342                        .on_click(cx.listener(move |this, _, _window, cx| {
1343                            this.thread.update(cx, |thread, cx| {
1344                                thread
1345                                    .restore_checkpoint(checkpoint.clone(), cx)
1346                                    .detach_and_log_err(cx);
1347                            });
1348                        }));
1349
1350                let restore_checkpoint_button = if is_pending {
1351                    restore_checkpoint_button
1352                        .with_animation(
1353                            ("pulsating-restore-checkpoint-button", ix),
1354                            Animation::new(Duration::from_secs(2))
1355                                .repeat()
1356                                .with_easing(pulsating_between(0.6, 1.)),
1357                            |label, delta| label.alpha(delta),
1358                        )
1359                        .into_any_element()
1360                } else if let Some(error) = error {
1361                    restore_checkpoint_button
1362                        .tooltip(Tooltip::text(error.to_string()))
1363                        .into_any_element()
1364                } else {
1365                    restore_checkpoint_button.into_any_element()
1366                };
1367
1368                parent.child(
1369                    h_flex()
1370                        .pt_2p5()
1371                        .px_2p5()
1372                        .w_full()
1373                        .gap_1()
1374                        .child(ui::Divider::horizontal())
1375                        .child(restore_checkpoint_button)
1376                        .child(ui::Divider::horizontal()),
1377                )
1378            })
1379            .child(styled_message)
1380            .when(
1381                show_feedback && !self.thread.read(cx).is_generating(),
1382                |parent| {
1383                    parent.child(feedback_items).when_some(
1384                        self.feedback_message_editor.clone(),
1385                        |parent, feedback_editor| {
1386                            let focus_handle = feedback_editor.focus_handle(cx);
1387                            parent.child(
1388                                v_flex()
1389                                    .key_context("AgentFeedbackMessageEditor")
1390                                    .on_action(cx.listener(|this, _: &menu::Cancel, _, cx| {
1391                                        this.feedback_message_editor = None;
1392                                        cx.notify();
1393                                    }))
1394                                    .on_action(cx.listener(|this, _: &menu::Confirm, _, cx| {
1395                                        this.submit_feedback_message(cx);
1396                                        cx.notify();
1397                                    }))
1398                                    .on_action(cx.listener(Self::confirm_editing_message))
1399                                    .mx_4()
1400                                    .mb_3()
1401                                    .p_2()
1402                                    .rounded_md()
1403                                    .border_1()
1404                                    .border_color(cx.theme().colors().border)
1405                                    .bg(cx.theme().colors().editor_background)
1406                                    .child(feedback_editor)
1407                                    .child(
1408                                        h_flex()
1409                                            .gap_1()
1410                                            .justify_end()
1411                                            .child(
1412                                                Button::new("dismiss-feedback-message", "Cancel")
1413                                                    .label_size(LabelSize::Small)
1414                                                    .key_binding(
1415                                                        KeyBinding::for_action_in(
1416                                                            &menu::Cancel,
1417                                                            &focus_handle,
1418                                                            window,
1419                                                            cx,
1420                                                        )
1421                                                        .map(|kb| kb.size(rems_from_px(10.))),
1422                                                    )
1423                                                    .on_click(cx.listener(|this, _, _, cx| {
1424                                                        this.feedback_message_editor = None;
1425                                                        cx.notify();
1426                                                    })),
1427                                            )
1428                                            .child(
1429                                                Button::new(
1430                                                    "submit-feedback-message",
1431                                                    "Share Feedback",
1432                                                )
1433                                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1434                                                .label_size(LabelSize::Small)
1435                                                .key_binding(
1436                                                    KeyBinding::for_action_in(
1437                                                        &menu::Confirm,
1438                                                        &focus_handle,
1439                                                        window,
1440                                                        cx,
1441                                                    )
1442                                                    .map(|kb| kb.size(rems_from_px(10.))),
1443                                                )
1444                                                .on_click(cx.listener(|this, _, _, cx| {
1445                                                    this.submit_feedback_message(cx);
1446                                                    cx.notify();
1447                                                })),
1448                                            ),
1449                                    ),
1450                            )
1451                        },
1452                    )
1453                },
1454            )
1455            .into_any()
1456    }
1457
1458    fn render_message_content(
1459        &self,
1460        message_id: MessageId,
1461        rendered_message: &RenderedMessage,
1462        has_tool_uses: bool,
1463        cx: &Context<Self>,
1464    ) -> impl IntoElement {
1465        let is_last_message = self.messages.last() == Some(&message_id);
1466        let is_generating = self.thread.read(cx).is_generating();
1467        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
1468            rendered_message
1469                .segments
1470                .iter()
1471                .enumerate()
1472                .last()
1473                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
1474                .map(|(index, _)| index)
1475        } else {
1476            None
1477        };
1478
1479        div()
1480            .text_ui(cx)
1481            .gap_2()
1482            .children(
1483                rendered_message.segments.iter().enumerate().map(
1484                    |(index, segment)| match segment {
1485                        RenderedMessageSegment::Thinking {
1486                            content,
1487                            scroll_handle,
1488                        } => self
1489                            .render_message_thinking_segment(
1490                                message_id,
1491                                index,
1492                                content.clone(),
1493                                &scroll_handle,
1494                                Some(index) == pending_thinking_segment_index,
1495                                cx,
1496                            )
1497                            .into_any_element(),
1498                        RenderedMessageSegment::Text(markdown) => {
1499                            div().child(markdown.clone()).into_any_element()
1500                        }
1501                    },
1502                ),
1503            )
1504    }
1505
1506    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1507        cx.theme().colors().border.opacity(0.5)
1508    }
1509
1510    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1511        cx.theme()
1512            .colors()
1513            .element_background
1514            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1515    }
1516
1517    fn render_message_thinking_segment(
1518        &self,
1519        message_id: MessageId,
1520        ix: usize,
1521        markdown: Entity<Markdown>,
1522        scroll_handle: &ScrollHandle,
1523        pending: bool,
1524        cx: &Context<Self>,
1525    ) -> impl IntoElement {
1526        let is_open = self
1527            .expanded_thinking_segments
1528            .get(&(message_id, ix))
1529            .copied()
1530            .unwrap_or_default();
1531
1532        let editor_bg = cx.theme().colors().editor_background;
1533
1534        div().pt_0p5().pb_2().child(
1535            v_flex()
1536                .rounded_lg()
1537                .border_1()
1538                .border_color(self.tool_card_border_color(cx))
1539                .child(
1540                    h_flex()
1541                        .group("disclosure-header")
1542                        .justify_between()
1543                        .py_1()
1544                        .px_2()
1545                        .bg(self.tool_card_header_bg(cx))
1546                        .map(|this| {
1547                            if pending || is_open {
1548                                this.rounded_t_md()
1549                                    .border_b_1()
1550                                    .border_color(self.tool_card_border_color(cx))
1551                            } else {
1552                                this.rounded_md()
1553                            }
1554                        })
1555                        .child(
1556                            h_flex()
1557                                .gap_1p5()
1558                                .child(
1559                                    Icon::new(IconName::Brain)
1560                                        .size(IconSize::XSmall)
1561                                        .color(Color::Muted),
1562                                )
1563                                .child({
1564                                    if pending {
1565                                        Label::new("Thinking…")
1566                                            .size(LabelSize::Small)
1567                                            .buffer_font(cx)
1568                                            .with_animation(
1569                                                "pulsating-label",
1570                                                Animation::new(Duration::from_secs(2))
1571                                                    .repeat()
1572                                                    .with_easing(pulsating_between(0.4, 0.8)),
1573                                                |label, delta| label.alpha(delta),
1574                                            )
1575                                            .into_any_element()
1576                                    } else {
1577                                        Label::new("Thought Process")
1578                                            .size(LabelSize::Small)
1579                                            .buffer_font(cx)
1580                                            .into_any_element()
1581                                    }
1582                                }),
1583                        )
1584                        .child(
1585                            h_flex()
1586                                .gap_1()
1587                                .child(
1588                                    div().visible_on_hover("disclosure-header").child(
1589                                        Disclosure::new("thinking-disclosure", is_open)
1590                                            .opened_icon(IconName::ChevronUp)
1591                                            .closed_icon(IconName::ChevronDown)
1592                                            .on_click(cx.listener({
1593                                                move |this, _event, _window, _cx| {
1594                                                    let is_open = this
1595                                                        .expanded_thinking_segments
1596                                                        .entry((message_id, ix))
1597                                                        .or_insert(false);
1598
1599                                                    *is_open = !*is_open;
1600                                                }
1601                                            })),
1602                                    ),
1603                                )
1604                                .child({
1605                                    let (icon_name, color, animated) = if pending {
1606                                        (IconName::ArrowCircle, Color::Accent, true)
1607                                    } else {
1608                                        (IconName::Check, Color::Success, false)
1609                                    };
1610
1611                                    let icon =
1612                                        Icon::new(icon_name).color(color).size(IconSize::Small);
1613
1614                                    if animated {
1615                                        icon.with_animation(
1616                                            "arrow-circle",
1617                                            Animation::new(Duration::from_secs(2)).repeat(),
1618                                            |icon, delta| {
1619                                                icon.transform(Transformation::rotate(percentage(
1620                                                    delta,
1621                                                )))
1622                                            },
1623                                        )
1624                                        .into_any_element()
1625                                    } else {
1626                                        icon.into_any_element()
1627                                    }
1628                                }),
1629                        ),
1630                )
1631                .when(pending && !is_open, |this| {
1632                    let gradient_overlay = div()
1633                        .rounded_b_lg()
1634                        .h_20()
1635                        .absolute()
1636                        .w_full()
1637                        .bottom_0()
1638                        .left_0()
1639                        .bg(linear_gradient(
1640                            180.,
1641                            linear_color_stop(editor_bg, 1.),
1642                            linear_color_stop(editor_bg.opacity(0.2), 0.),
1643                        ));
1644
1645                    this.child(
1646                        div()
1647                            .relative()
1648                            .bg(editor_bg)
1649                            .rounded_b_lg()
1650                            .child(
1651                                div()
1652                                    .id(("thinking-content", ix))
1653                                    .p_2()
1654                                    .h_20()
1655                                    .track_scroll(scroll_handle)
1656                                    .text_ui_sm(cx)
1657                                    .child(markdown.clone())
1658                                    .overflow_hidden(),
1659                            )
1660                            .child(gradient_overlay),
1661                    )
1662                })
1663                .when(is_open, |this| {
1664                    this.child(
1665                        div()
1666                            .id(("thinking-content", ix))
1667                            .h_full()
1668                            .p_2()
1669                            .rounded_b_lg()
1670                            .bg(editor_bg)
1671                            .text_ui_sm(cx)
1672                            .child(markdown.clone()),
1673                    )
1674                }),
1675        )
1676    }
1677
1678    fn render_tool_use(
1679        &self,
1680        tool_use: ToolUse,
1681        cx: &mut Context<Self>,
1682    ) -> impl IntoElement + use<> {
1683        let is_open = self
1684            .expanded_tool_uses
1685            .get(&tool_use.id)
1686            .copied()
1687            .unwrap_or_default();
1688
1689        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
1690
1691        let fs = self
1692            .workspace
1693            .upgrade()
1694            .map(|workspace| workspace.read(cx).app_state().fs.clone());
1695        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
1696
1697        let status_icons = div().child(match &tool_use.status {
1698            ToolUseStatus::Pending | ToolUseStatus::NeedsConfirmation => {
1699                let icon = Icon::new(IconName::Warning)
1700                    .color(Color::Warning)
1701                    .size(IconSize::Small);
1702                icon.into_any_element()
1703            }
1704            ToolUseStatus::Running => {
1705                let icon = Icon::new(IconName::ArrowCircle)
1706                    .color(Color::Accent)
1707                    .size(IconSize::Small);
1708                icon.with_animation(
1709                    "arrow-circle",
1710                    Animation::new(Duration::from_secs(2)).repeat(),
1711                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1712                )
1713                .into_any_element()
1714            }
1715            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
1716            ToolUseStatus::Error(_) => {
1717                let icon = Icon::new(IconName::Close)
1718                    .color(Color::Error)
1719                    .size(IconSize::Small);
1720                icon.into_any_element()
1721            }
1722        });
1723
1724        let content_container = || v_flex().py_1().gap_0p5().px_2p5();
1725        let results_content = v_flex()
1726            .gap_1()
1727            .child(
1728                content_container()
1729                    .child(
1730                        Label::new("Input")
1731                            .size(LabelSize::XSmall)
1732                            .color(Color::Muted)
1733                            .buffer_font(cx),
1734                    )
1735                    .child(
1736                        Label::new(
1737                            serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1738                        )
1739                        .size(LabelSize::Small)
1740                        .buffer_font(cx),
1741                    ),
1742            )
1743            .map(|container| match tool_use.status {
1744                ToolUseStatus::Finished(output) => container.child(
1745                    content_container()
1746                        .border_t_1()
1747                        .border_color(self.tool_card_border_color(cx))
1748                        .child(
1749                            Label::new("Result")
1750                                .size(LabelSize::XSmall)
1751                                .color(Color::Muted)
1752                                .buffer_font(cx),
1753                        )
1754                        .child(Label::new(output).size(LabelSize::Small).buffer_font(cx)),
1755                ),
1756                ToolUseStatus::Running => container.child(
1757                    content_container().child(
1758                        h_flex()
1759                            .gap_1()
1760                            .pb_1()
1761                            .border_t_1()
1762                            .border_color(self.tool_card_border_color(cx))
1763                            .child(
1764                                Icon::new(IconName::ArrowCircle)
1765                                    .size(IconSize::Small)
1766                                    .color(Color::Accent)
1767                                    .with_animation(
1768                                        "arrow-circle",
1769                                        Animation::new(Duration::from_secs(2)).repeat(),
1770                                        |icon, delta| {
1771                                            icon.transform(Transformation::rotate(percentage(
1772                                                delta,
1773                                            )))
1774                                        },
1775                                    ),
1776                            )
1777                            .child(
1778                                Label::new("Running…")
1779                                    .size(LabelSize::XSmall)
1780                                    .color(Color::Muted)
1781                                    .buffer_font(cx),
1782                            ),
1783                    ),
1784                ),
1785                ToolUseStatus::Error(err) => container.child(
1786                    content_container()
1787                        .border_t_1()
1788                        .border_color(self.tool_card_border_color(cx))
1789                        .child(
1790                            Label::new("Error")
1791                                .size(LabelSize::XSmall)
1792                                .color(Color::Muted)
1793                                .buffer_font(cx),
1794                        )
1795                        .child(Label::new(err).size(LabelSize::Small).buffer_font(cx)),
1796                ),
1797                ToolUseStatus::Pending => container,
1798                ToolUseStatus::NeedsConfirmation => container.child(
1799                    content_container()
1800                        .border_t_1()
1801                        .border_color(self.tool_card_border_color(cx))
1802                        .child(
1803                            Label::new("Asking Permission")
1804                                .size(LabelSize::Small)
1805                                .color(Color::Muted)
1806                                .buffer_font(cx),
1807                        ),
1808                ),
1809            });
1810
1811        let gradient_overlay = |color: Hsla| {
1812            div()
1813                .h_full()
1814                .absolute()
1815                .w_8()
1816                .bottom_0()
1817                .map(|element| {
1818                    if is_status_finished {
1819                        element.right_7()
1820                    } else {
1821                        element.right(px(46.))
1822                    }
1823                })
1824                .bg(linear_gradient(
1825                    90.,
1826                    linear_color_stop(color, 1.),
1827                    linear_color_stop(color.opacity(0.2), 0.),
1828                ))
1829        };
1830
1831        div().map(|element| {
1832            if !tool_use.needs_confirmation {
1833                element.child(
1834                    v_flex()
1835                        .child(
1836                            h_flex()
1837                                .group("disclosure-header")
1838                                .relative()
1839                                .gap_1p5()
1840                                .justify_between()
1841                                .opacity(0.8)
1842                                .hover(|style| style.opacity(1.))
1843                                .when(!is_status_finished, |this| this.pr_2())
1844                                .child(
1845                                    h_flex()
1846                                        .id("tool-label-container")
1847                                        .gap_1p5()
1848                                        .max_w_full()
1849                                        .overflow_x_scroll()
1850                                        .child(
1851                                            Icon::new(tool_use.icon)
1852                                                .size(IconSize::XSmall)
1853                                                .color(Color::Muted),
1854                                        )
1855                                        .child(
1856                                            h_flex().pr_8().text_ui_sm(cx).children(
1857                                                self.rendered_tool_use_labels
1858                                                    .get(&tool_use.id)
1859                                                    .cloned(),
1860                                            ),
1861                                        ),
1862                                )
1863                                .child(
1864                                    h_flex()
1865                                        .gap_1()
1866                                        .child(
1867                                            div().visible_on_hover("disclosure-header").child(
1868                                                Disclosure::new("tool-use-disclosure", is_open)
1869                                                    .opened_icon(IconName::ChevronUp)
1870                                                    .closed_icon(IconName::ChevronDown)
1871                                                    .on_click(cx.listener({
1872                                                        let tool_use_id = tool_use.id.clone();
1873                                                        move |this, _event, _window, _cx| {
1874                                                            let is_open = this
1875                                                                .expanded_tool_uses
1876                                                                .entry(tool_use_id.clone())
1877                                                                .or_insert(false);
1878
1879                                                            *is_open = !*is_open;
1880                                                        }
1881                                                    })),
1882                                            ),
1883                                        )
1884                                        .child(status_icons),
1885                                )
1886                                .child(gradient_overlay(cx.theme().colors().panel_background)),
1887                        )
1888                        .map(|parent| {
1889                            if !is_open {
1890                                return parent;
1891                            }
1892
1893                            parent.child(
1894                                v_flex()
1895                                    .mt_1()
1896                                    .border_1()
1897                                    .border_color(self.tool_card_border_color(cx))
1898                                    .bg(cx.theme().colors().editor_background)
1899                                    .rounded_lg()
1900                                    .child(results_content),
1901                            )
1902                        }),
1903                )
1904            } else {
1905                v_flex()
1906                    .rounded_lg()
1907                    .border_1()
1908                    .border_color(self.tool_card_border_color(cx))
1909                    .overflow_hidden()
1910                    .child(
1911                        h_flex()
1912                            .group("disclosure-header")
1913                            .relative()
1914                            .justify_between()
1915                            .py_1()
1916                            .map(|element| {
1917                                if is_status_finished {
1918                                    element.pl_2().pr_0p5()
1919                                } else {
1920                                    element.px_2()
1921                                }
1922                            })
1923                            .bg(self.tool_card_header_bg(cx))
1924                            .map(|element| {
1925                                if is_open {
1926                                    element.border_b_1().rounded_t_md()
1927                                } else if needs_confirmation {
1928                                    element.rounded_t_md()
1929                                } else {
1930                                    element.rounded_md()
1931                                }
1932                            })
1933                            .border_color(self.tool_card_border_color(cx))
1934                            .child(
1935                                h_flex()
1936                                    .id("tool-label-container")
1937                                    .gap_1p5()
1938                                    .max_w_full()
1939                                    .overflow_x_scroll()
1940                                    .child(
1941                                        Icon::new(tool_use.icon)
1942                                            .size(IconSize::XSmall)
1943                                            .color(Color::Muted),
1944                                    )
1945                                    .child(
1946                                        h_flex().pr_8().text_ui_sm(cx).children(
1947                                            self.rendered_tool_use_labels
1948                                                .get(&tool_use.id)
1949                                                .cloned(),
1950                                        ),
1951                                    ),
1952                            )
1953                            .child(
1954                                h_flex()
1955                                    .gap_1()
1956                                    .child(
1957                                        div().visible_on_hover("disclosure-header").child(
1958                                            Disclosure::new("tool-use-disclosure", is_open)
1959                                                .opened_icon(IconName::ChevronUp)
1960                                                .closed_icon(IconName::ChevronDown)
1961                                                .on_click(cx.listener({
1962                                                    let tool_use_id = tool_use.id.clone();
1963                                                    move |this, _event, _window, _cx| {
1964                                                        let is_open = this
1965                                                            .expanded_tool_uses
1966                                                            .entry(tool_use_id.clone())
1967                                                            .or_insert(false);
1968
1969                                                        *is_open = !*is_open;
1970                                                    }
1971                                                })),
1972                                        ),
1973                                    )
1974                                    .child(status_icons),
1975                            )
1976                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
1977                    )
1978                    .map(|parent| {
1979                        if !is_open {
1980                            return parent;
1981                        }
1982
1983                        parent.child(
1984                            v_flex()
1985                                .bg(cx.theme().colors().editor_background)
1986                                .map(|element| {
1987                                    if  needs_confirmation {
1988                                        element.rounded_none()
1989                                    } else {
1990                                        element.rounded_b_lg()
1991                                    }
1992                                })
1993                                .child(results_content),
1994                        )
1995                    })
1996                    .when(needs_confirmation, |this| {
1997                        this.child(
1998                            h_flex()
1999                                .py_1()
2000                                .pl_2()
2001                                .pr_1()
2002                                .gap_1()
2003                                .justify_between()
2004                                .bg(cx.theme().colors().editor_background)
2005                                .border_t_1()
2006                                .border_color(self.tool_card_border_color(cx))
2007                                .rounded_b_lg()
2008                                .child(Label::new("Action Confirmation").color(Color::Muted).size(LabelSize::Small))
2009                                .child(
2010                                    h_flex()
2011                                        .gap_0p5()
2012                                        .child({
2013                                            let tool_id = tool_use.id.clone();
2014                                            Button::new(
2015                                                "always-allow-tool-action",
2016                                                "Always Allow",
2017                                            )
2018                                            .label_size(LabelSize::Small)
2019                                            .icon(IconName::CheckDouble)
2020                                            .icon_position(IconPosition::Start)
2021                                            .icon_size(IconSize::Small)
2022                                            .icon_color(Color::Success)
2023                                            .tooltip(move |window, cx|  {
2024                                                Tooltip::with_meta(
2025                                                    "Never ask for permission",
2026                                                    None,
2027                                                    "Restore the original behavior in your Agent Panel settings",
2028                                                    window,
2029                                                    cx,
2030                                                )
2031                                            })
2032                                            .on_click(cx.listener(
2033                                                move |this, event, window, cx| {
2034                                                    if let Some(fs) = fs.clone() {
2035                                                        update_settings_file::<AssistantSettings>(
2036                                                            fs.clone(),
2037                                                            cx,
2038                                                            |settings, _| {
2039                                                                settings.set_always_allow_tool_actions(true);
2040                                                            },
2041                                                        );
2042                                                    }
2043                                                    this.handle_allow_tool(
2044                                                        tool_id.clone(),
2045                                                        event,
2046                                                        window,
2047                                                        cx,
2048                                                    )
2049                                                },
2050                                            ))
2051                                        })
2052                                        .child(ui::Divider::vertical())
2053                                        .child({
2054                                            let tool_id = tool_use.id.clone();
2055                                            Button::new("allow-tool-action", "Allow")
2056                                                .label_size(LabelSize::Small)
2057                                                .icon(IconName::Check)
2058                                                .icon_position(IconPosition::Start)
2059                                                .icon_size(IconSize::Small)
2060                                                .icon_color(Color::Success)
2061                                                .on_click(cx.listener(
2062                                                    move |this, event, window, cx| {
2063                                                        this.handle_allow_tool(
2064                                                            tool_id.clone(),
2065                                                            event,
2066                                                            window,
2067                                                            cx,
2068                                                        )
2069                                                    },
2070                                                ))
2071                                        })
2072                                        .child({
2073                                            let tool_id = tool_use.id.clone();
2074                                            let tool_name: Arc<str> = tool_use.name.into();
2075                                            Button::new("deny-tool", "Deny")
2076                                                .label_size(LabelSize::Small)
2077                                                .icon(IconName::Close)
2078                                                .icon_position(IconPosition::Start)
2079                                                .icon_size(IconSize::Small)
2080                                                .icon_color(Color::Error)
2081                                                .on_click(cx.listener(
2082                                                    move |this, event, window, cx| {
2083                                                        this.handle_deny_tool(
2084                                                            tool_id.clone(),
2085                                                            tool_name.clone(),
2086                                                            event,
2087                                                            window,
2088                                                            cx,
2089                                                        )
2090                                                    },
2091                                                ))
2092                                        }),
2093                                ),
2094                        )
2095                    })
2096            }
2097        })
2098    }
2099
2100    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
2101        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2102        else {
2103            return div().into_any();
2104        };
2105
2106        let rules_files = system_prompt_context
2107            .worktrees
2108            .iter()
2109            .filter_map(|worktree| worktree.rules_file.as_ref())
2110            .collect::<Vec<_>>();
2111
2112        let label_text = match rules_files.as_slice() {
2113            &[] => return div().into_any(),
2114            &[rules_file] => {
2115                format!("Using {:?} file", rules_file.rel_path)
2116            }
2117            rules_files => {
2118                format!("Using {} rules files", rules_files.len())
2119            }
2120        };
2121
2122        div()
2123            .pt_1()
2124            .px_2p5()
2125            .child(
2126                h_flex()
2127                    .w_full()
2128                    .gap_0p5()
2129                    .child(
2130                        h_flex()
2131                            .gap_1p5()
2132                            .child(
2133                                Icon::new(IconName::File)
2134                                    .size(IconSize::XSmall)
2135                                    .color(Color::Disabled),
2136                            )
2137                            .child(
2138                                Label::new(label_text)
2139                                    .size(LabelSize::XSmall)
2140                                    .color(Color::Muted)
2141                                    .buffer_font(cx),
2142                            ),
2143                    )
2144                    .child(
2145                        IconButton::new("open-rule", IconName::ArrowUpRightAlt)
2146                            .shape(ui::IconButtonShape::Square)
2147                            .icon_size(IconSize::XSmall)
2148                            .icon_color(Color::Ignored)
2149                            .on_click(cx.listener(Self::handle_open_rules))
2150                            .tooltip(Tooltip::text("View Rules")),
2151                    ),
2152            )
2153            .into_any()
2154    }
2155
2156    fn handle_allow_tool(
2157        &mut self,
2158        tool_use_id: LanguageModelToolUseId,
2159        _: &ClickEvent,
2160        _window: &mut Window,
2161        cx: &mut Context<Self>,
2162    ) {
2163        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
2164            .thread
2165            .read(cx)
2166            .pending_tool(&tool_use_id)
2167            .map(|tool_use| tool_use.status.clone())
2168        {
2169            self.thread.update(cx, |thread, cx| {
2170                thread.run_tool(
2171                    c.tool_use_id.clone(),
2172                    c.ui_text.clone(),
2173                    c.input.clone(),
2174                    &c.messages,
2175                    c.tool.clone(),
2176                    cx,
2177                );
2178            });
2179        }
2180    }
2181
2182    fn handle_deny_tool(
2183        &mut self,
2184        tool_use_id: LanguageModelToolUseId,
2185        tool_name: Arc<str>,
2186        _: &ClickEvent,
2187        _window: &mut Window,
2188        cx: &mut Context<Self>,
2189    ) {
2190        self.thread.update(cx, |thread, cx| {
2191            thread.deny_tool_use(tool_use_id, tool_name, cx);
2192        });
2193    }
2194
2195    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
2196        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2197        else {
2198            return;
2199        };
2200
2201        let abs_paths = system_prompt_context
2202            .worktrees
2203            .iter()
2204            .flat_map(|worktree| worktree.rules_file.as_ref())
2205            .map(|rules_file| rules_file.abs_path.to_path_buf())
2206            .collect::<Vec<_>>();
2207
2208        if let Ok(task) = self.workspace.update(cx, move |workspace, cx| {
2209            // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
2210            // files clear. For example, if rules file 1 is already open but rules file 2 is not,
2211            // this would open and focus rules file 2 in a tab that is not next to rules file 1.
2212            workspace.open_paths(abs_paths, OpenOptions::default(), None, window, cx)
2213        }) {
2214            task.detach();
2215        }
2216    }
2217
2218    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
2219        for window in self.notifications.drain(..) {
2220            window
2221                .update(cx, |_, window, _| {
2222                    window.remove_window();
2223                })
2224                .ok();
2225
2226            self.notification_subscriptions.remove(&window);
2227        }
2228    }
2229
2230    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
2231        div()
2232            .occlude()
2233            .id("active-thread-scrollbar")
2234            .on_mouse_move(cx.listener(|_, _, _, cx| {
2235                cx.notify();
2236                cx.stop_propagation()
2237            }))
2238            .on_hover(|_, _, cx| {
2239                cx.stop_propagation();
2240            })
2241            .on_any_mouse_down(|_, _, cx| {
2242                cx.stop_propagation();
2243            })
2244            .on_mouse_up(
2245                MouseButton::Left,
2246                cx.listener(|_, _, _, cx| {
2247                    cx.stop_propagation();
2248                }),
2249            )
2250            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
2251                cx.notify();
2252            }))
2253            .h_full()
2254            .absolute()
2255            .right_1()
2256            .top_1()
2257            .bottom_0()
2258            .w(px(12.))
2259            .cursor_default()
2260            .children(Scrollbar::vertical(self.scrollbar_state.clone()))
2261    }
2262}
2263
2264impl Render for ActiveThread {
2265    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2266        v_flex()
2267            .size_full()
2268            .relative()
2269            .child(list(self.list_state.clone()).flex_grow())
2270            .child(self.render_vertical_scrollbar(cx))
2271    }
2272}
2273
2274pub(crate) fn open_context(
2275    id: ContextId,
2276    context_store: Entity<ContextStore>,
2277    workspace: Entity<Workspace>,
2278    window: &mut Window,
2279    cx: &mut App,
2280) {
2281    let Some(context) = context_store.read(cx).context_for_id(id) else {
2282        return;
2283    };
2284
2285    match context {
2286        AssistantContext::File(file_context) => {
2287            if let Some(project_path) = file_context.context_buffer.buffer.read(cx).project_path(cx)
2288            {
2289                workspace.update(cx, |workspace, cx| {
2290                    workspace
2291                        .open_path(project_path, None, true, window, cx)
2292                        .detach_and_log_err(cx);
2293                });
2294            }
2295        }
2296        AssistantContext::Directory(directory_context) => {
2297            let path = directory_context.project_path.clone();
2298            workspace.update(cx, |workspace, cx| {
2299                workspace.project().update(cx, |project, cx| {
2300                    if let Some(entry) = project.entry_for_path(&path, cx) {
2301                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
2302                    }
2303                })
2304            })
2305        }
2306        AssistantContext::Symbol(symbol_context) => {
2307            if let Some(project_path) = symbol_context
2308                .context_symbol
2309                .buffer
2310                .read(cx)
2311                .project_path(cx)
2312            {
2313                let snapshot = symbol_context.context_symbol.buffer.read(cx).snapshot();
2314                let target_position = symbol_context
2315                    .context_symbol
2316                    .id
2317                    .range
2318                    .start
2319                    .to_point(&snapshot);
2320
2321                let open_task = workspace.update(cx, |workspace, cx| {
2322                    workspace.open_path(project_path, None, true, window, cx)
2323                });
2324                window
2325                    .spawn(cx, async move |cx| {
2326                        if let Some(active_editor) = open_task
2327                            .await
2328                            .log_err()
2329                            .and_then(|item| item.downcast::<Editor>())
2330                        {
2331                            active_editor
2332                                .downgrade()
2333                                .update_in(cx, |editor, window, cx| {
2334                                    editor.go_to_singleton_buffer_point(
2335                                        target_position,
2336                                        window,
2337                                        cx,
2338                                    );
2339                                })
2340                                .log_err();
2341                        }
2342                    })
2343                    .detach();
2344            }
2345        }
2346        AssistantContext::FetchedUrl(fetched_url_context) => {
2347            cx.open_url(&fetched_url_context.url);
2348        }
2349        AssistantContext::Thread(thread_context) => {
2350            let thread_id = thread_context.thread.read(cx).id().clone();
2351            workspace.update(cx, |workspace, cx| {
2352                if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
2353                    panel.update(cx, |panel, cx| {
2354                        panel
2355                            .open_thread(&thread_id, window, cx)
2356                            .detach_and_log_err(cx)
2357                    });
2358                }
2359            })
2360        }
2361    }
2362}