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 last_user_message(&self, cx: &Context<Self>) -> Option<MessageId> {
 865        self.messages
 866            .iter()
 867            .rev()
 868            .find(|message_id| {
 869                self.thread
 870                    .read(cx)
 871                    .message(**message_id)
 872                    .map_or(false, |message| message.role == Role::User)
 873            })
 874            .cloned()
 875    }
 876
 877    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
 878        self.messages
 879            .iter()
 880            .position(|id| *id == message_id)
 881            .map(|index| &self.messages[index + 1..])
 882            .unwrap_or(&[])
 883    }
 884
 885    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 886        self.cancel_editing_message(&menu::Cancel, window, cx);
 887    }
 888
 889    fn handle_regenerate_click(
 890        &mut self,
 891        _: &ClickEvent,
 892        window: &mut Window,
 893        cx: &mut Context<Self>,
 894    ) {
 895        self.confirm_editing_message(&menu::Confirm, window, cx);
 896    }
 897
 898    fn handle_feedback_click(
 899        &mut self,
 900        feedback: ThreadFeedback,
 901        window: &mut Window,
 902        cx: &mut Context<Self>,
 903    ) {
 904        match feedback {
 905            ThreadFeedback::Positive => {
 906                let report = self
 907                    .thread
 908                    .update(cx, |thread, cx| thread.report_feedback(feedback, cx));
 909
 910                let this = cx.entity().downgrade();
 911                cx.spawn(async move |_, cx| {
 912                    report.await?;
 913                    this.update(cx, |_this, cx| cx.notify())
 914                })
 915                .detach_and_log_err(cx);
 916            }
 917            ThreadFeedback::Negative => {
 918                self.handle_show_feedback_comments(window, cx);
 919            }
 920        }
 921    }
 922
 923    fn handle_show_feedback_comments(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 924        if self.feedback_message_editor.is_some() {
 925            return;
 926        }
 927
 928        let buffer = cx.new(|cx| {
 929            let empty_string = String::new();
 930            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 931        });
 932
 933        let editor = cx.new(|cx| {
 934            let mut editor = Editor::new(
 935                editor::EditorMode::AutoHeight { max_lines: 4 },
 936                buffer,
 937                None,
 938                window,
 939                cx,
 940            );
 941            editor.set_placeholder_text(
 942                "What went wrong? Share your feedback so we can improve.",
 943                cx,
 944            );
 945            editor
 946        });
 947
 948        editor.read(cx).focus_handle(cx).focus(window);
 949        self.feedback_message_editor = Some(editor);
 950        cx.notify();
 951    }
 952
 953    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
 954        let Some(editor) = self.feedback_message_editor.clone() else {
 955            return;
 956        };
 957
 958        let report_task = self.thread.update(cx, |thread, cx| {
 959            thread.report_feedback(ThreadFeedback::Negative, cx)
 960        });
 961
 962        let comments = editor.read(cx).text(cx);
 963        if !comments.is_empty() {
 964            let thread_id = self.thread.read(cx).id().clone();
 965
 966            telemetry::event!("Assistant Thread Feedback Comments", thread_id, comments);
 967        }
 968
 969        self.feedback_message_editor = None;
 970
 971        let this = cx.entity().downgrade();
 972        cx.spawn(async move |_, cx| {
 973            report_task.await?;
 974            this.update(cx, |_this, cx| cx.notify())
 975        })
 976        .detach_and_log_err(cx);
 977    }
 978
 979    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
 980        let message_id = self.messages[ix];
 981        let Some(message) = self.thread.read(cx).message(message_id) else {
 982            return Empty.into_any();
 983        };
 984
 985        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
 986            return Empty.into_any();
 987        };
 988
 989        let context_store = self.context_store.clone();
 990        let workspace = self.workspace.clone();
 991
 992        let thread = self.thread.read(cx);
 993        // Get all the data we need from thread before we start using it in closures
 994        let checkpoint = thread.checkpoint_for_message(message_id);
 995        let context = thread.context_for_message(message_id).collect::<Vec<_>>();
 996        let tool_uses = thread.tool_uses_for_message(message_id, cx);
 997        let has_tool_uses = !tool_uses.is_empty();
 998
 999        // Don't render user messages that are just there for returning tool results.
1000        if message.role == Role::User && thread.message_has_tool_results(message_id) {
1001            return Empty.into_any();
1002        }
1003
1004        let allow_editing_message =
1005            message.role == Role::User && self.last_user_message(cx) == Some(message_id);
1006
1007        let edit_message_editor = self
1008            .editing_message
1009            .as_ref()
1010            .filter(|(id, _)| *id == message_id)
1011            .map(|(_, state)| state.editor.clone());
1012
1013        let first_message = ix == 0;
1014        let show_feedback = ix == self.messages.len() - 1 && message.role != Role::User;
1015
1016        let colors = cx.theme().colors();
1017        let active_color = colors.element_active;
1018        let editor_bg_color = colors.editor_background;
1019        let bg_user_message_header = editor_bg_color.blend(active_color.opacity(0.25));
1020
1021        let feedback_container = h_flex().pt_2().pb_4().px_4().gap_1().justify_between();
1022        let feedback_items = match self.thread.read(cx).feedback() {
1023            Some(feedback) => feedback_container
1024                .child(
1025                    Label::new(match feedback {
1026                        ThreadFeedback::Positive => "Thanks for your feedback!",
1027                        ThreadFeedback::Negative => {
1028                            "We appreciate your feedback and will use it to improve."
1029                        }
1030                    })
1031                    .color(Color::Muted)
1032                    .size(LabelSize::XSmall),
1033                )
1034                .child(
1035                    h_flex()
1036                        .gap_1()
1037                        .child(
1038                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1039                                .icon_size(IconSize::XSmall)
1040                                .icon_color(match feedback {
1041                                    ThreadFeedback::Positive => Color::Accent,
1042                                    ThreadFeedback::Negative => Color::Ignored,
1043                                })
1044                                .shape(ui::IconButtonShape::Square)
1045                                .tooltip(Tooltip::text("Helpful Response"))
1046                                .on_click(cx.listener(move |this, _, window, cx| {
1047                                    this.handle_feedback_click(
1048                                        ThreadFeedback::Positive,
1049                                        window,
1050                                        cx,
1051                                    );
1052                                })),
1053                        )
1054                        .child(
1055                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1056                                .icon_size(IconSize::XSmall)
1057                                .icon_color(match feedback {
1058                                    ThreadFeedback::Positive => Color::Ignored,
1059                                    ThreadFeedback::Negative => Color::Accent,
1060                                })
1061                                .shape(ui::IconButtonShape::Square)
1062                                .tooltip(Tooltip::text("Not Helpful"))
1063                                .on_click(cx.listener(move |this, _, window, cx| {
1064                                    this.handle_feedback_click(
1065                                        ThreadFeedback::Negative,
1066                                        window,
1067                                        cx,
1068                                    );
1069                                })),
1070                        ),
1071                )
1072                .into_any_element(),
1073            None => feedback_container
1074                .child(
1075                    Label::new(
1076                        "Rating the thread sends all of your current conversation to the Zed team.",
1077                    )
1078                    .color(Color::Muted)
1079                    .size(LabelSize::XSmall),
1080                )
1081                .child(
1082                    h_flex()
1083                        .gap_1()
1084                        .child(
1085                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1086                                .icon_size(IconSize::XSmall)
1087                                .icon_color(Color::Ignored)
1088                                .shape(ui::IconButtonShape::Square)
1089                                .tooltip(Tooltip::text("Helpful Response"))
1090                                .on_click(cx.listener(move |this, _, window, cx| {
1091                                    this.handle_feedback_click(
1092                                        ThreadFeedback::Positive,
1093                                        window,
1094                                        cx,
1095                                    );
1096                                })),
1097                        )
1098                        .child(
1099                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1100                                .icon_size(IconSize::XSmall)
1101                                .icon_color(Color::Ignored)
1102                                .shape(ui::IconButtonShape::Square)
1103                                .tooltip(Tooltip::text("Not Helpful"))
1104                                .on_click(cx.listener(move |this, _, window, cx| {
1105                                    this.handle_feedback_click(
1106                                        ThreadFeedback::Negative,
1107                                        window,
1108                                        cx,
1109                                    );
1110                                })),
1111                        ),
1112                )
1113                .into_any_element(),
1114        };
1115
1116        let message_content = v_flex()
1117            .gap_1p5()
1118            .child(
1119                if let Some(edit_message_editor) = edit_message_editor.clone() {
1120                    div()
1121                        .key_context("EditMessageEditor")
1122                        .on_action(cx.listener(Self::cancel_editing_message))
1123                        .on_action(cx.listener(Self::confirm_editing_message))
1124                        .min_h_6()
1125                        .child(edit_message_editor)
1126                } else {
1127                    div()
1128                        .min_h_6()
1129                        .text_ui(cx)
1130                        .child(self.render_message_content(
1131                            message_id,
1132                            rendered_message,
1133                            has_tool_uses,
1134                            cx,
1135                        ))
1136                },
1137            )
1138            .when(!context.is_empty(), |parent| {
1139                parent.child(
1140                    h_flex()
1141                        .flex_wrap()
1142                        .gap_1()
1143                        .children(context.into_iter().map(|context| {
1144                            let context_id = context.id();
1145                            ContextPill::added(AddedContext::new(context, cx), false, false, None)
1146                                .on_click(Rc::new(cx.listener({
1147                                    let workspace = workspace.clone();
1148                                    let context_store = context_store.clone();
1149                                    move |_, _, window, cx| {
1150                                        if let Some(workspace) = workspace.upgrade() {
1151                                            open_context(
1152                                                context_id,
1153                                                context_store.clone(),
1154                                                workspace,
1155                                                window,
1156                                                cx,
1157                                            );
1158                                            cx.notify();
1159                                        }
1160                                    }
1161                                })))
1162                        })),
1163                )
1164            });
1165
1166        let styled_message = match message.role {
1167            Role::User => v_flex()
1168                .id(("message-container", ix))
1169                .map(|this| {
1170                    if first_message {
1171                        this.pt_2()
1172                    } else {
1173                        this.pt_4()
1174                    }
1175                })
1176                .pb_4()
1177                .pl_2()
1178                .pr_2p5()
1179                .child(
1180                    v_flex()
1181                        .bg(colors.editor_background)
1182                        .rounded_lg()
1183                        .border_1()
1184                        .border_color(colors.border)
1185                        .shadow_md()
1186                        .child(
1187                            h_flex()
1188                                .py_1()
1189                                .pl_2()
1190                                .pr_1()
1191                                .bg(bg_user_message_header)
1192                                .border_b_1()
1193                                .border_color(colors.border)
1194                                .justify_between()
1195                                .rounded_t_md()
1196                                .child(
1197                                    h_flex()
1198                                        .gap_1p5()
1199                                        .child(
1200                                            Icon::new(IconName::PersonCircle)
1201                                                .size(IconSize::XSmall)
1202                                                .color(Color::Muted),
1203                                        )
1204                                        .child(
1205                                            Label::new("You")
1206                                                .size(LabelSize::Small)
1207                                                .color(Color::Muted),
1208                                        ),
1209                                )
1210                                .child(
1211                                    h_flex()
1212                                        // DL: To double-check whether we want to fully remove
1213                                        // the editing feature from meassages. Checkpoint sort of
1214                                        // solve the same problem.
1215                                        .invisible()
1216                                        .gap_1()
1217                                        .when_some(
1218                                            edit_message_editor.clone(),
1219                                            |this, edit_message_editor| {
1220                                                let focus_handle =
1221                                                    edit_message_editor.focus_handle(cx);
1222                                                this.child(
1223                                                    Button::new("cancel-edit-message", "Cancel")
1224                                                        .label_size(LabelSize::Small)
1225                                                        .key_binding(
1226                                                            KeyBinding::for_action_in(
1227                                                                &menu::Cancel,
1228                                                                &focus_handle,
1229                                                                window,
1230                                                                cx,
1231                                                            )
1232                                                            .map(|kb| kb.size(rems_from_px(12.))),
1233                                                        )
1234                                                        .on_click(
1235                                                            cx.listener(Self::handle_cancel_click),
1236                                                        ),
1237                                                )
1238                                                .child(
1239                                                    Button::new(
1240                                                        "confirm-edit-message",
1241                                                        "Regenerate",
1242                                                    )
1243                                                    .label_size(LabelSize::Small)
1244                                                    .key_binding(
1245                                                        KeyBinding::for_action_in(
1246                                                            &menu::Confirm,
1247                                                            &focus_handle,
1248                                                            window,
1249                                                            cx,
1250                                                        )
1251                                                        .map(|kb| kb.size(rems_from_px(12.))),
1252                                                    )
1253                                                    .on_click(
1254                                                        cx.listener(Self::handle_regenerate_click),
1255                                                    ),
1256                                                )
1257                                            },
1258                                        )
1259                                        .when(
1260                                            edit_message_editor.is_none() && allow_editing_message,
1261                                            |this| {
1262                                                this.child(
1263                                                    Button::new("edit-message", "Edit")
1264                                                        .label_size(LabelSize::Small)
1265                                                        .on_click(cx.listener({
1266                                                            let message_segments =
1267                                                                message.segments.clone();
1268                                                            move |this, _, window, cx| {
1269                                                                this.start_editing_message(
1270                                                                    message_id,
1271                                                                    &message_segments,
1272                                                                    window,
1273                                                                    cx,
1274                                                                );
1275                                                            }
1276                                                        })),
1277                                                )
1278                                            },
1279                                        ),
1280                                ),
1281                        )
1282                        .child(div().p_2().child(message_content)),
1283                ),
1284            Role::Assistant => v_flex()
1285                .id(("message-container", ix))
1286                .ml_2()
1287                .pl_2()
1288                .pr_4()
1289                .border_l_1()
1290                .border_color(cx.theme().colors().border_variant)
1291                .child(message_content)
1292                .when(!tool_uses.is_empty(), |parent| {
1293                    parent.child(
1294                        v_flex().children(
1295                            tool_uses
1296                                .into_iter()
1297                                .map(|tool_use| self.render_tool_use(tool_use, cx)),
1298                        ),
1299                    )
1300                }),
1301            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
1302                v_flex()
1303                    .bg(colors.editor_background)
1304                    .rounded_sm()
1305                    .child(div().p_4().child(message_content)),
1306            ),
1307        };
1308
1309        v_flex()
1310            .w_full()
1311            .when(first_message, |parent| {
1312                parent.child(self.render_rules_item(cx))
1313            })
1314            .when_some(checkpoint, |parent, checkpoint| {
1315                let mut is_pending = false;
1316                let mut error = None;
1317                if let Some(last_restore_checkpoint) =
1318                    self.thread.read(cx).last_restore_checkpoint()
1319                {
1320                    if last_restore_checkpoint.message_id() == message_id {
1321                        match last_restore_checkpoint {
1322                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
1323                            LastRestoreCheckpoint::Error { error: err, .. } => {
1324                                error = Some(err.clone());
1325                            }
1326                        }
1327                    }
1328                }
1329
1330                let restore_checkpoint_button =
1331                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
1332                        .icon(if error.is_some() {
1333                            IconName::XCircle
1334                        } else {
1335                            IconName::Undo
1336                        })
1337                        .icon_size(IconSize::XSmall)
1338                        .icon_position(IconPosition::Start)
1339                        .icon_color(if error.is_some() {
1340                            Some(Color::Error)
1341                        } else {
1342                            None
1343                        })
1344                        .label_size(LabelSize::XSmall)
1345                        .disabled(is_pending)
1346                        .on_click(cx.listener(move |this, _, _window, cx| {
1347                            this.thread.update(cx, |thread, cx| {
1348                                thread
1349                                    .restore_checkpoint(checkpoint.clone(), cx)
1350                                    .detach_and_log_err(cx);
1351                            });
1352                        }));
1353
1354                let restore_checkpoint_button = if is_pending {
1355                    restore_checkpoint_button
1356                        .with_animation(
1357                            ("pulsating-restore-checkpoint-button", ix),
1358                            Animation::new(Duration::from_secs(2))
1359                                .repeat()
1360                                .with_easing(pulsating_between(0.6, 1.)),
1361                            |label, delta| label.alpha(delta),
1362                        )
1363                        .into_any_element()
1364                } else if let Some(error) = error {
1365                    restore_checkpoint_button
1366                        .tooltip(Tooltip::text(error.to_string()))
1367                        .into_any_element()
1368                } else {
1369                    restore_checkpoint_button.into_any_element()
1370                };
1371
1372                parent.child(
1373                    h_flex()
1374                        .pt_2p5()
1375                        .px_2p5()
1376                        .w_full()
1377                        .gap_1()
1378                        .child(ui::Divider::horizontal())
1379                        .child(restore_checkpoint_button)
1380                        .child(ui::Divider::horizontal()),
1381                )
1382            })
1383            .child(styled_message)
1384            .when(
1385                show_feedback && !self.thread.read(cx).is_generating(),
1386                |parent| {
1387                    parent.child(feedback_items).when_some(
1388                        self.feedback_message_editor.clone(),
1389                        |parent, feedback_editor| {
1390                            let focus_handle = feedback_editor.focus_handle(cx);
1391                            parent.child(
1392                                v_flex()
1393                                    .key_context("AgentFeedbackMessageEditor")
1394                                    .on_action(cx.listener(|this, _: &menu::Cancel, _, cx| {
1395                                        this.feedback_message_editor = None;
1396                                        cx.notify();
1397                                    }))
1398                                    .on_action(cx.listener(|this, _: &menu::Confirm, _, cx| {
1399                                        this.submit_feedback_message(cx);
1400                                        cx.notify();
1401                                    }))
1402                                    .on_action(cx.listener(Self::confirm_editing_message))
1403                                    .mx_4()
1404                                    .mb_3()
1405                                    .p_2()
1406                                    .rounded_md()
1407                                    .border_1()
1408                                    .border_color(cx.theme().colors().border)
1409                                    .bg(cx.theme().colors().editor_background)
1410                                    .child(feedback_editor)
1411                                    .child(
1412                                        h_flex()
1413                                            .gap_1()
1414                                            .justify_end()
1415                                            .child(
1416                                                Button::new("dismiss-feedback-message", "Cancel")
1417                                                    .label_size(LabelSize::Small)
1418                                                    .key_binding(
1419                                                        KeyBinding::for_action_in(
1420                                                            &menu::Cancel,
1421                                                            &focus_handle,
1422                                                            window,
1423                                                            cx,
1424                                                        )
1425                                                        .map(|kb| kb.size(rems_from_px(10.))),
1426                                                    )
1427                                                    .on_click(cx.listener(|this, _, _, cx| {
1428                                                        this.feedback_message_editor = None;
1429                                                        cx.notify();
1430                                                    })),
1431                                            )
1432                                            .child(
1433                                                Button::new(
1434                                                    "submit-feedback-message",
1435                                                    "Share Feedback",
1436                                                )
1437                                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1438                                                .label_size(LabelSize::Small)
1439                                                .key_binding(
1440                                                    KeyBinding::for_action_in(
1441                                                        &menu::Confirm,
1442                                                        &focus_handle,
1443                                                        window,
1444                                                        cx,
1445                                                    )
1446                                                    .map(|kb| kb.size(rems_from_px(10.))),
1447                                                )
1448                                                .on_click(cx.listener(|this, _, _, cx| {
1449                                                    this.submit_feedback_message(cx);
1450                                                    cx.notify();
1451                                                })),
1452                                            ),
1453                                    ),
1454                            )
1455                        },
1456                    )
1457                },
1458            )
1459            .into_any()
1460    }
1461
1462    fn render_message_content(
1463        &self,
1464        message_id: MessageId,
1465        rendered_message: &RenderedMessage,
1466        has_tool_uses: bool,
1467        cx: &Context<Self>,
1468    ) -> impl IntoElement {
1469        let is_last_message = self.messages.last() == Some(&message_id);
1470        let pending_thinking_segment_index = if is_last_message && !has_tool_uses {
1471            rendered_message
1472                .segments
1473                .iter()
1474                .enumerate()
1475                .last()
1476                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
1477                .map(|(index, _)| index)
1478        } else {
1479            None
1480        };
1481
1482        div()
1483            .text_ui(cx)
1484            .gap_2()
1485            .children(
1486                rendered_message.segments.iter().enumerate().map(
1487                    |(index, segment)| match segment {
1488                        RenderedMessageSegment::Thinking {
1489                            content,
1490                            scroll_handle,
1491                        } => self
1492                            .render_message_thinking_segment(
1493                                message_id,
1494                                index,
1495                                content.clone(),
1496                                &scroll_handle,
1497                                Some(index) == pending_thinking_segment_index,
1498                                cx,
1499                            )
1500                            .into_any_element(),
1501                        RenderedMessageSegment::Text(markdown) => {
1502                            div().child(markdown.clone()).into_any_element()
1503                        }
1504                    },
1505                ),
1506            )
1507    }
1508
1509    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1510        cx.theme().colors().border.opacity(0.5)
1511    }
1512
1513    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1514        cx.theme()
1515            .colors()
1516            .element_background
1517            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1518    }
1519
1520    fn render_message_thinking_segment(
1521        &self,
1522        message_id: MessageId,
1523        ix: usize,
1524        markdown: Entity<Markdown>,
1525        scroll_handle: &ScrollHandle,
1526        pending: bool,
1527        cx: &Context<Self>,
1528    ) -> impl IntoElement {
1529        let is_open = self
1530            .expanded_thinking_segments
1531            .get(&(message_id, ix))
1532            .copied()
1533            .unwrap_or_default();
1534
1535        let editor_bg = cx.theme().colors().editor_background;
1536
1537        div().pt_0p5().pb_2().child(
1538            v_flex()
1539                .rounded_lg()
1540                .border_1()
1541                .border_color(self.tool_card_border_color(cx))
1542                .child(
1543                    h_flex()
1544                        .group("disclosure-header")
1545                        .justify_between()
1546                        .py_1()
1547                        .px_2()
1548                        .bg(self.tool_card_header_bg(cx))
1549                        .map(|this| {
1550                            if pending || is_open {
1551                                this.rounded_t_md()
1552                                    .border_b_1()
1553                                    .border_color(self.tool_card_border_color(cx))
1554                            } else {
1555                                this.rounded_md()
1556                            }
1557                        })
1558                        .child(
1559                            h_flex()
1560                                .gap_1p5()
1561                                .child(
1562                                    Icon::new(IconName::Brain)
1563                                        .size(IconSize::XSmall)
1564                                        .color(Color::Muted),
1565                                )
1566                                .child({
1567                                    if pending {
1568                                        Label::new("Thinking…")
1569                                            .size(LabelSize::Small)
1570                                            .buffer_font(cx)
1571                                            .with_animation(
1572                                                "pulsating-label",
1573                                                Animation::new(Duration::from_secs(2))
1574                                                    .repeat()
1575                                                    .with_easing(pulsating_between(0.4, 0.8)),
1576                                                |label, delta| label.alpha(delta),
1577                                            )
1578                                            .into_any_element()
1579                                    } else {
1580                                        Label::new("Thought Process")
1581                                            .size(LabelSize::Small)
1582                                            .buffer_font(cx)
1583                                            .into_any_element()
1584                                    }
1585                                }),
1586                        )
1587                        .child(
1588                            h_flex()
1589                                .gap_1()
1590                                .child(
1591                                    div().visible_on_hover("disclosure-header").child(
1592                                        Disclosure::new("thinking-disclosure", is_open)
1593                                            .opened_icon(IconName::ChevronUp)
1594                                            .closed_icon(IconName::ChevronDown)
1595                                            .on_click(cx.listener({
1596                                                move |this, _event, _window, _cx| {
1597                                                    let is_open = this
1598                                                        .expanded_thinking_segments
1599                                                        .entry((message_id, ix))
1600                                                        .or_insert(false);
1601
1602                                                    *is_open = !*is_open;
1603                                                }
1604                                            })),
1605                                    ),
1606                                )
1607                                .child({
1608                                    let (icon_name, color, animated) = if pending {
1609                                        (IconName::ArrowCircle, Color::Accent, true)
1610                                    } else {
1611                                        (IconName::Check, Color::Success, false)
1612                                    };
1613
1614                                    let icon =
1615                                        Icon::new(icon_name).color(color).size(IconSize::Small);
1616
1617                                    if animated {
1618                                        icon.with_animation(
1619                                            "arrow-circle",
1620                                            Animation::new(Duration::from_secs(2)).repeat(),
1621                                            |icon, delta| {
1622                                                icon.transform(Transformation::rotate(percentage(
1623                                                    delta,
1624                                                )))
1625                                            },
1626                                        )
1627                                        .into_any_element()
1628                                    } else {
1629                                        icon.into_any_element()
1630                                    }
1631                                }),
1632                        ),
1633                )
1634                .when(pending && !is_open, |this| {
1635                    let gradient_overlay = div()
1636                        .rounded_b_lg()
1637                        .h_20()
1638                        .absolute()
1639                        .w_full()
1640                        .bottom_0()
1641                        .left_0()
1642                        .bg(linear_gradient(
1643                            180.,
1644                            linear_color_stop(editor_bg, 1.),
1645                            linear_color_stop(editor_bg.opacity(0.2), 0.),
1646                        ));
1647
1648                    this.child(
1649                        div()
1650                            .relative()
1651                            .bg(editor_bg)
1652                            .rounded_b_lg()
1653                            .child(
1654                                div()
1655                                    .id(("thinking-content", ix))
1656                                    .p_2()
1657                                    .h_20()
1658                                    .track_scroll(scroll_handle)
1659                                    .text_ui_sm(cx)
1660                                    .child(markdown.clone())
1661                                    .overflow_hidden(),
1662                            )
1663                            .child(gradient_overlay),
1664                    )
1665                })
1666                .when(is_open, |this| {
1667                    this.child(
1668                        div()
1669                            .id(("thinking-content", ix))
1670                            .h_full()
1671                            .p_2()
1672                            .rounded_b_lg()
1673                            .bg(editor_bg)
1674                            .text_ui_sm(cx)
1675                            .child(markdown.clone()),
1676                    )
1677                }),
1678        )
1679    }
1680
1681    fn render_tool_use(
1682        &self,
1683        tool_use: ToolUse,
1684        cx: &mut Context<Self>,
1685    ) -> impl IntoElement + use<> {
1686        let is_open = self
1687            .expanded_tool_uses
1688            .get(&tool_use.id)
1689            .copied()
1690            .unwrap_or_default();
1691
1692        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
1693
1694        let fs = self
1695            .workspace
1696            .upgrade()
1697            .map(|workspace| workspace.read(cx).app_state().fs.clone());
1698        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
1699
1700        let status_icons = div().child(match &tool_use.status {
1701            ToolUseStatus::Pending | ToolUseStatus::NeedsConfirmation => {
1702                let icon = Icon::new(IconName::Warning)
1703                    .color(Color::Warning)
1704                    .size(IconSize::Small);
1705                icon.into_any_element()
1706            }
1707            ToolUseStatus::Running => {
1708                let icon = Icon::new(IconName::ArrowCircle)
1709                    .color(Color::Accent)
1710                    .size(IconSize::Small);
1711                icon.with_animation(
1712                    "arrow-circle",
1713                    Animation::new(Duration::from_secs(2)).repeat(),
1714                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1715                )
1716                .into_any_element()
1717            }
1718            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
1719            ToolUseStatus::Error(_) => {
1720                let icon = Icon::new(IconName::Close)
1721                    .color(Color::Error)
1722                    .size(IconSize::Small);
1723                icon.into_any_element()
1724            }
1725        });
1726
1727        let content_container = || v_flex().py_1().gap_0p5().px_2p5();
1728        let results_content = v_flex()
1729            .gap_1()
1730            .child(
1731                content_container()
1732                    .child(
1733                        Label::new("Input")
1734                            .size(LabelSize::XSmall)
1735                            .color(Color::Muted)
1736                            .buffer_font(cx),
1737                    )
1738                    .child(
1739                        Label::new(
1740                            serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1741                        )
1742                        .size(LabelSize::Small)
1743                        .buffer_font(cx),
1744                    ),
1745            )
1746            .map(|container| match tool_use.status {
1747                ToolUseStatus::Finished(output) => container.child(
1748                    content_container()
1749                        .border_t_1()
1750                        .border_color(self.tool_card_border_color(cx))
1751                        .child(
1752                            Label::new("Result")
1753                                .size(LabelSize::XSmall)
1754                                .color(Color::Muted)
1755                                .buffer_font(cx),
1756                        )
1757                        .child(Label::new(output).size(LabelSize::Small).buffer_font(cx)),
1758                ),
1759                ToolUseStatus::Running => container.child(
1760                    content_container().child(
1761                        h_flex()
1762                            .gap_1()
1763                            .pb_1()
1764                            .border_t_1()
1765                            .border_color(self.tool_card_border_color(cx))
1766                            .child(
1767                                Icon::new(IconName::ArrowCircle)
1768                                    .size(IconSize::Small)
1769                                    .color(Color::Accent)
1770                                    .with_animation(
1771                                        "arrow-circle",
1772                                        Animation::new(Duration::from_secs(2)).repeat(),
1773                                        |icon, delta| {
1774                                            icon.transform(Transformation::rotate(percentage(
1775                                                delta,
1776                                            )))
1777                                        },
1778                                    ),
1779                            )
1780                            .child(
1781                                Label::new("Running…")
1782                                    .size(LabelSize::XSmall)
1783                                    .color(Color::Muted)
1784                                    .buffer_font(cx),
1785                            ),
1786                    ),
1787                ),
1788                ToolUseStatus::Error(err) => container.child(
1789                    content_container()
1790                        .border_t_1()
1791                        .border_color(self.tool_card_border_color(cx))
1792                        .child(
1793                            Label::new("Error")
1794                                .size(LabelSize::XSmall)
1795                                .color(Color::Muted)
1796                                .buffer_font(cx),
1797                        )
1798                        .child(Label::new(err).size(LabelSize::Small).buffer_font(cx)),
1799                ),
1800                ToolUseStatus::Pending => container,
1801                ToolUseStatus::NeedsConfirmation => container.child(
1802                    content_container()
1803                        .border_t_1()
1804                        .border_color(self.tool_card_border_color(cx))
1805                        .child(
1806                            Label::new("Asking Permission")
1807                                .size(LabelSize::Small)
1808                                .color(Color::Muted)
1809                                .buffer_font(cx),
1810                        ),
1811                ),
1812            });
1813
1814        let gradient_overlay = |color: Hsla| {
1815            div()
1816                .h_full()
1817                .absolute()
1818                .w_8()
1819                .bottom_0()
1820                .map(|element| {
1821                    if is_status_finished {
1822                        element.right_7()
1823                    } else {
1824                        element.right(px(46.))
1825                    }
1826                })
1827                .bg(linear_gradient(
1828                    90.,
1829                    linear_color_stop(color, 1.),
1830                    linear_color_stop(color.opacity(0.2), 0.),
1831                ))
1832        };
1833
1834        div().map(|element| {
1835            if !tool_use.needs_confirmation {
1836                element.py_2p5().child(
1837                    v_flex()
1838                        .child(
1839                            h_flex()
1840                                .group("disclosure-header")
1841                                .relative()
1842                                .gap_1p5()
1843                                .justify_between()
1844                                .opacity(0.8)
1845                                .hover(|style| style.opacity(1.))
1846                                .when(!is_status_finished, |this| this.pr_2())
1847                                .child(
1848                                    h_flex()
1849                                        .id("tool-label-container")
1850                                        .gap_1p5()
1851                                        .max_w_full()
1852                                        .overflow_x_scroll()
1853                                        .child(
1854                                            Icon::new(tool_use.icon)
1855                                                .size(IconSize::XSmall)
1856                                                .color(Color::Muted),
1857                                        )
1858                                        .child(
1859                                            h_flex().pr_8().text_ui_sm(cx).children(
1860                                                self.rendered_tool_use_labels
1861                                                    .get(&tool_use.id)
1862                                                    .cloned(),
1863                                            ),
1864                                        ),
1865                                )
1866                                .child(
1867                                    h_flex()
1868                                        .gap_1()
1869                                        .child(
1870                                            div().visible_on_hover("disclosure-header").child(
1871                                                Disclosure::new("tool-use-disclosure", is_open)
1872                                                    .opened_icon(IconName::ChevronUp)
1873                                                    .closed_icon(IconName::ChevronDown)
1874                                                    .on_click(cx.listener({
1875                                                        let tool_use_id = tool_use.id.clone();
1876                                                        move |this, _event, _window, _cx| {
1877                                                            let is_open = this
1878                                                                .expanded_tool_uses
1879                                                                .entry(tool_use_id.clone())
1880                                                                .or_insert(false);
1881
1882                                                            *is_open = !*is_open;
1883                                                        }
1884                                                    })),
1885                                            ),
1886                                        )
1887                                        .child(status_icons),
1888                                )
1889                                .child(gradient_overlay(cx.theme().colors().panel_background)),
1890                        )
1891                        .map(|parent| {
1892                            if !is_open {
1893                                return parent;
1894                            }
1895
1896                            parent.child(
1897                                v_flex()
1898                                    .mt_1()
1899                                    .border_1()
1900                                    .border_color(self.tool_card_border_color(cx))
1901                                    .bg(cx.theme().colors().editor_background)
1902                                    .rounded_lg()
1903                                    .child(results_content),
1904                            )
1905                        }),
1906                )
1907            } else {
1908                element.py_2().child(
1909                    v_flex()
1910                        .rounded_lg()
1911                        .border_1()
1912                        .border_color(self.tool_card_border_color(cx))
1913                        .overflow_hidden()
1914                        .child(
1915                            h_flex()
1916                                .group("disclosure-header")
1917                                .relative()
1918                                .justify_between()
1919                                .py_1()
1920                                .map(|element| {
1921                                    if is_status_finished {
1922                                        element.pl_2().pr_0p5()
1923                                    } else {
1924                                        element.px_2()
1925                                    }
1926                                })
1927                                .bg(self.tool_card_header_bg(cx))
1928                                .map(|element| {
1929                                    if is_open {
1930                                        element.border_b_1().rounded_t_md()
1931                                    } else if needs_confirmation {
1932                                        element.rounded_t_md()
1933                                    } else {
1934                                        element.rounded_md()
1935                                    }
1936                                })
1937                                .border_color(self.tool_card_border_color(cx))
1938                                .child(
1939                                    h_flex()
1940                                        .id("tool-label-container")
1941                                        .gap_1p5()
1942                                        .max_w_full()
1943                                        .overflow_x_scroll()
1944                                        .child(
1945                                            Icon::new(tool_use.icon)
1946                                                .size(IconSize::XSmall)
1947                                                .color(Color::Muted),
1948                                        )
1949                                        .child(
1950                                            h_flex().pr_8().text_ui_sm(cx).children(
1951                                                self.rendered_tool_use_labels
1952                                                    .get(&tool_use.id)
1953                                                    .cloned(),
1954                                            ),
1955                                        ),
1956                                )
1957                                .child(
1958                                    h_flex()
1959                                        .gap_1()
1960                                        .child(
1961                                            div().visible_on_hover("disclosure-header").child(
1962                                                Disclosure::new("tool-use-disclosure", is_open)
1963                                                    .opened_icon(IconName::ChevronUp)
1964                                                    .closed_icon(IconName::ChevronDown)
1965                                                    .on_click(cx.listener({
1966                                                        let tool_use_id = tool_use.id.clone();
1967                                                        move |this, _event, _window, _cx| {
1968                                                            let is_open = this
1969                                                                .expanded_tool_uses
1970                                                                .entry(tool_use_id.clone())
1971                                                                .or_insert(false);
1972
1973                                                            *is_open = !*is_open;
1974                                                        }
1975                                                    })),
1976                                            ),
1977                                        )
1978                                        .child(status_icons),
1979                                )
1980                                .child(gradient_overlay(self.tool_card_header_bg(cx))),
1981                        )
1982                        .map(|parent| {
1983                            if !is_open {
1984                                return parent;
1985                            }
1986
1987                            parent.child(
1988                                v_flex()
1989                                    .bg(cx.theme().colors().editor_background)
1990                                    .map(|element| {
1991                                        if  needs_confirmation {
1992                                            element.rounded_none()
1993                                        } else {
1994                                            element.rounded_b_lg()
1995                                        }
1996                                    })
1997                                    .child(results_content),
1998                            )
1999                        })
2000                        .when(needs_confirmation, |this| {
2001                            this.child(
2002                                h_flex()
2003                                    .py_1()
2004                                    .pl_2()
2005                                    .pr_1()
2006                                    .gap_1()
2007                                    .justify_between()
2008                                    .bg(cx.theme().colors().editor_background)
2009                                    .border_t_1()
2010                                    .border_color(self.tool_card_border_color(cx))
2011                                    .rounded_b_lg()
2012                                    .child(Label::new("Action Confirmation").color(Color::Muted).size(LabelSize::Small))
2013                                    .child(
2014                                        h_flex()
2015                                            .gap_0p5()
2016                                            .child({
2017                                                let tool_id = tool_use.id.clone();
2018                                                Button::new(
2019                                                    "always-allow-tool-action",
2020                                                    "Always Allow",
2021                                                )
2022                                                .label_size(LabelSize::Small)
2023                                                .icon(IconName::CheckDouble)
2024                                                .icon_position(IconPosition::Start)
2025                                                .icon_size(IconSize::Small)
2026                                                .icon_color(Color::Success)
2027                                                .tooltip(move |window, cx|  {
2028                                                    Tooltip::with_meta(
2029                                                        "Never ask for permission",
2030                                                        None,
2031                                                        "Restore the original behavior in your Agent Panel settings",
2032                                                        window,
2033                                                        cx,
2034                                                    )
2035                                                })
2036                                                .on_click(cx.listener(
2037                                                    move |this, event, window, cx| {
2038                                                        if let Some(fs) = fs.clone() {
2039                                                            update_settings_file::<AssistantSettings>(
2040                                                                fs.clone(),
2041                                                                cx,
2042                                                                |settings, _| {
2043                                                                    settings.set_always_allow_tool_actions(true);
2044                                                                },
2045                                                            );
2046                                                        }
2047                                                        this.handle_allow_tool(
2048                                                            tool_id.clone(),
2049                                                            event,
2050                                                            window,
2051                                                            cx,
2052                                                        )
2053                                                    },
2054                                                ))
2055                                            })
2056                                            .child(ui::Divider::vertical())
2057                                            .child({
2058                                                let tool_id = tool_use.id.clone();
2059                                                Button::new("allow-tool-action", "Allow")
2060                                                    .label_size(LabelSize::Small)
2061                                                    .icon(IconName::Check)
2062                                                    .icon_position(IconPosition::Start)
2063                                                    .icon_size(IconSize::Small)
2064                                                    .icon_color(Color::Success)
2065                                                    .on_click(cx.listener(
2066                                                        move |this, event, window, cx| {
2067                                                            this.handle_allow_tool(
2068                                                                tool_id.clone(),
2069                                                                event,
2070                                                                window,
2071                                                                cx,
2072                                                            )
2073                                                        },
2074                                                    ))
2075                                            })
2076                                            .child({
2077                                                let tool_id = tool_use.id.clone();
2078                                                let tool_name: Arc<str> = tool_use.name.into();
2079                                                Button::new("deny-tool", "Deny")
2080                                                    .label_size(LabelSize::Small)
2081                                                    .icon(IconName::Close)
2082                                                    .icon_position(IconPosition::Start)
2083                                                    .icon_size(IconSize::Small)
2084                                                    .icon_color(Color::Error)
2085                                                    .on_click(cx.listener(
2086                                                        move |this, event, window, cx| {
2087                                                            this.handle_deny_tool(
2088                                                                tool_id.clone(),
2089                                                                tool_name.clone(),
2090                                                                event,
2091                                                                window,
2092                                                                cx,
2093                                                            )
2094                                                        },
2095                                                    ))
2096                                            }),
2097                                    ),
2098                            )
2099                        }),
2100                )
2101            }
2102        })
2103    }
2104
2105    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
2106        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2107        else {
2108            return div().into_any();
2109        };
2110
2111        let rules_files = system_prompt_context
2112            .worktrees
2113            .iter()
2114            .filter_map(|worktree| worktree.rules_file.as_ref())
2115            .collect::<Vec<_>>();
2116
2117        let label_text = match rules_files.as_slice() {
2118            &[] => return div().into_any(),
2119            &[rules_file] => {
2120                format!("Using {:?} file", rules_file.rel_path)
2121            }
2122            rules_files => {
2123                format!("Using {} rules files", rules_files.len())
2124            }
2125        };
2126
2127        div()
2128            .pt_1()
2129            .px_2p5()
2130            .child(
2131                h_flex()
2132                    .w_full()
2133                    .gap_0p5()
2134                    .child(
2135                        h_flex()
2136                            .gap_1p5()
2137                            .child(
2138                                Icon::new(IconName::File)
2139                                    .size(IconSize::XSmall)
2140                                    .color(Color::Disabled),
2141                            )
2142                            .child(
2143                                Label::new(label_text)
2144                                    .size(LabelSize::XSmall)
2145                                    .color(Color::Muted)
2146                                    .buffer_font(cx),
2147                            ),
2148                    )
2149                    .child(
2150                        IconButton::new("open-rule", IconName::ArrowUpRightAlt)
2151                            .shape(ui::IconButtonShape::Square)
2152                            .icon_size(IconSize::XSmall)
2153                            .icon_color(Color::Ignored)
2154                            .on_click(cx.listener(Self::handle_open_rules))
2155                            .tooltip(Tooltip::text("View Rules")),
2156                    ),
2157            )
2158            .into_any()
2159    }
2160
2161    fn handle_allow_tool(
2162        &mut self,
2163        tool_use_id: LanguageModelToolUseId,
2164        _: &ClickEvent,
2165        _window: &mut Window,
2166        cx: &mut Context<Self>,
2167    ) {
2168        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
2169            .thread
2170            .read(cx)
2171            .pending_tool(&tool_use_id)
2172            .map(|tool_use| tool_use.status.clone())
2173        {
2174            self.thread.update(cx, |thread, cx| {
2175                thread.run_tool(
2176                    c.tool_use_id.clone(),
2177                    c.ui_text.clone(),
2178                    c.input.clone(),
2179                    &c.messages,
2180                    c.tool.clone(),
2181                    cx,
2182                );
2183            });
2184        }
2185    }
2186
2187    fn handle_deny_tool(
2188        &mut self,
2189        tool_use_id: LanguageModelToolUseId,
2190        tool_name: Arc<str>,
2191        _: &ClickEvent,
2192        _window: &mut Window,
2193        cx: &mut Context<Self>,
2194    ) {
2195        self.thread.update(cx, |thread, cx| {
2196            thread.deny_tool_use(tool_use_id, tool_name, cx);
2197        });
2198    }
2199
2200    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
2201        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2202        else {
2203            return;
2204        };
2205
2206        let abs_paths = system_prompt_context
2207            .worktrees
2208            .iter()
2209            .flat_map(|worktree| worktree.rules_file.as_ref())
2210            .map(|rules_file| rules_file.abs_path.to_path_buf())
2211            .collect::<Vec<_>>();
2212
2213        if let Ok(task) = self.workspace.update(cx, move |workspace, cx| {
2214            // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
2215            // files clear. For example, if rules file 1 is already open but rules file 2 is not,
2216            // this would open and focus rules file 2 in a tab that is not next to rules file 1.
2217            workspace.open_paths(abs_paths, OpenOptions::default(), None, window, cx)
2218        }) {
2219            task.detach();
2220        }
2221    }
2222
2223    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
2224        for window in self.notifications.drain(..) {
2225            window
2226                .update(cx, |_, window, _| {
2227                    window.remove_window();
2228                })
2229                .ok();
2230
2231            self.notification_subscriptions.remove(&window);
2232        }
2233    }
2234
2235    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
2236        div()
2237            .occlude()
2238            .id("active-thread-scrollbar")
2239            .on_mouse_move(cx.listener(|_, _, _, cx| {
2240                cx.notify();
2241                cx.stop_propagation()
2242            }))
2243            .on_hover(|_, _, cx| {
2244                cx.stop_propagation();
2245            })
2246            .on_any_mouse_down(|_, _, cx| {
2247                cx.stop_propagation();
2248            })
2249            .on_mouse_up(
2250                MouseButton::Left,
2251                cx.listener(|_, _, _, cx| {
2252                    cx.stop_propagation();
2253                }),
2254            )
2255            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
2256                cx.notify();
2257            }))
2258            .h_full()
2259            .absolute()
2260            .right_1()
2261            .top_1()
2262            .bottom_0()
2263            .w(px(12.))
2264            .cursor_default()
2265            .children(Scrollbar::vertical(self.scrollbar_state.clone()))
2266    }
2267}
2268
2269impl Render for ActiveThread {
2270    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2271        v_flex()
2272            .size_full()
2273            .relative()
2274            .child(list(self.list_state.clone()).flex_grow())
2275            .child(self.render_vertical_scrollbar(cx))
2276    }
2277}
2278
2279pub(crate) fn open_context(
2280    id: ContextId,
2281    context_store: Entity<ContextStore>,
2282    workspace: Entity<Workspace>,
2283    window: &mut Window,
2284    cx: &mut App,
2285) {
2286    let Some(context) = context_store.read(cx).context_for_id(id) else {
2287        return;
2288    };
2289
2290    match context {
2291        AssistantContext::File(file_context) => {
2292            if let Some(project_path) = file_context.context_buffer.buffer.read(cx).project_path(cx)
2293            {
2294                workspace.update(cx, |workspace, cx| {
2295                    workspace
2296                        .open_path(project_path, None, true, window, cx)
2297                        .detach_and_log_err(cx);
2298                });
2299            }
2300        }
2301        AssistantContext::Directory(directory_context) => {
2302            let path = directory_context.project_path.clone();
2303            workspace.update(cx, |workspace, cx| {
2304                workspace.project().update(cx, |project, cx| {
2305                    if let Some(entry) = project.entry_for_path(&path, cx) {
2306                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
2307                    }
2308                })
2309            })
2310        }
2311        AssistantContext::Symbol(symbol_context) => {
2312            if let Some(project_path) = symbol_context
2313                .context_symbol
2314                .buffer
2315                .read(cx)
2316                .project_path(cx)
2317            {
2318                let snapshot = symbol_context.context_symbol.buffer.read(cx).snapshot();
2319                let target_position = symbol_context
2320                    .context_symbol
2321                    .id
2322                    .range
2323                    .start
2324                    .to_point(&snapshot);
2325
2326                let open_task = workspace.update(cx, |workspace, cx| {
2327                    workspace.open_path(project_path, None, true, window, cx)
2328                });
2329                window
2330                    .spawn(cx, async move |cx| {
2331                        if let Some(active_editor) = open_task
2332                            .await
2333                            .log_err()
2334                            .and_then(|item| item.downcast::<Editor>())
2335                        {
2336                            active_editor
2337                                .downgrade()
2338                                .update_in(cx, |editor, window, cx| {
2339                                    editor.go_to_singleton_buffer_point(
2340                                        target_position,
2341                                        window,
2342                                        cx,
2343                                    );
2344                                })
2345                                .log_err();
2346                        }
2347                    })
2348                    .detach();
2349            }
2350        }
2351        AssistantContext::FetchedUrl(fetched_url_context) => {
2352            cx.open_url(&fetched_url_context.url);
2353        }
2354        AssistantContext::Thread(thread_context) => {
2355            let thread_id = thread_context.thread.read(cx).id().clone();
2356            workspace.update(cx, |workspace, cx| {
2357                if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
2358                    panel.update(cx, |panel, cx| {
2359                        panel
2360                            .open_thread(&thread_id, window, cx)
2361                            .detach_and_log_err(cx)
2362                    });
2363                }
2364            })
2365        }
2366    }
2367}