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, HashSet};
  14use editor::scroll::Autoscroll;
  15use editor::{Editor, MultiBuffer};
  16use gpui::{
  17    AbsoluteLength, Animation, AnimationExt, AnyElement, App, ClickEvent, ClipboardItem,
  18    DefiniteLength, EdgesRefinement, Empty, Entity, Focusable, Hsla, ListAlignment, ListState,
  19    MouseButton, 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::{ConfiguredModel, LanguageModelRegistry, LanguageModelToolUseId, Role};
  25use markdown::parser::CodeBlockKind;
  26use markdown::{Markdown, MarkdownElement, MarkdownStyle, ParsedMarkdown, without_fences};
  27use project::ProjectItem as _;
  28use rope::Point;
  29use settings::{Settings as _, update_settings_file};
  30use std::ops::Range;
  31use std::path::Path;
  32use std::rc::Rc;
  33use std::sync::Arc;
  34use std::time::Duration;
  35use text::ToPoint;
  36use theme::ThemeSettings;
  37use ui::{Disclosure, IconButton, KeyBinding, Scrollbar, ScrollbarState, Tooltip, prelude::*};
  38use util::ResultExt as _;
  39use workspace::{OpenOptions, Workspace};
  40
  41use crate::context_store::ContextStore;
  42
  43pub struct ActiveThread {
  44    language_registry: Arc<LanguageRegistry>,
  45    thread_store: Entity<ThreadStore>,
  46    thread: Entity<Thread>,
  47    context_store: Entity<ContextStore>,
  48    workspace: WeakEntity<Workspace>,
  49    save_thread_task: Option<Task<()>>,
  50    messages: Vec<MessageId>,
  51    list_state: ListState,
  52    scrollbar_state: ScrollbarState,
  53    show_scrollbar: bool,
  54    hide_scrollbar_task: Option<Task<()>>,
  55    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  56    rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
  57    editing_message: Option<(MessageId, EditMessageState)>,
  58    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  59    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  60    last_error: Option<ThreadError>,
  61    notifications: Vec<WindowHandle<AgentNotification>>,
  62    copied_code_block_ids: HashSet<(MessageId, usize)>,
  63    _subscriptions: Vec<Subscription>,
  64    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  65    feedback_message_editor: Option<Entity<Editor>>,
  66}
  67
  68struct RenderedMessage {
  69    language_registry: Arc<LanguageRegistry>,
  70    segments: Vec<RenderedMessageSegment>,
  71}
  72
  73#[derive(Clone)]
  74struct RenderedToolUse {
  75    label: Entity<Markdown>,
  76    input: Entity<Markdown>,
  77    output: Entity<Markdown>,
  78}
  79
  80impl RenderedMessage {
  81    fn from_segments(
  82        segments: &[MessageSegment],
  83        language_registry: Arc<LanguageRegistry>,
  84        cx: &mut App,
  85    ) -> Self {
  86        let mut this = Self {
  87            language_registry,
  88            segments: Vec::with_capacity(segments.len()),
  89        };
  90        for segment in segments {
  91            this.push_segment(segment, cx);
  92        }
  93        this
  94    }
  95
  96    fn append_thinking(&mut self, text: &String, cx: &mut App) {
  97        if let Some(RenderedMessageSegment::Thinking {
  98            content,
  99            scroll_handle,
 100        }) = self.segments.last_mut()
 101        {
 102            content.update(cx, |markdown, cx| {
 103                markdown.append(text, cx);
 104            });
 105            scroll_handle.scroll_to_bottom();
 106        } else {
 107            self.segments.push(RenderedMessageSegment::Thinking {
 108                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 109                scroll_handle: ScrollHandle::default(),
 110            });
 111        }
 112    }
 113
 114    fn append_text(&mut self, text: &String, cx: &mut App) {
 115        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 116            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 117        } else {
 118            self.segments
 119                .push(RenderedMessageSegment::Text(parse_markdown(
 120                    SharedString::from(text),
 121                    self.language_registry.clone(),
 122                    cx,
 123                )));
 124        }
 125    }
 126
 127    fn push_segment(&mut self, segment: &MessageSegment, cx: &mut App) {
 128        let rendered_segment = match segment {
 129            MessageSegment::Thinking(text) => RenderedMessageSegment::Thinking {
 130                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 131                scroll_handle: ScrollHandle::default(),
 132            },
 133            MessageSegment::Text(text) => RenderedMessageSegment::Text(parse_markdown(
 134                text.into(),
 135                self.language_registry.clone(),
 136                cx,
 137            )),
 138        };
 139        self.segments.push(rendered_segment);
 140    }
 141}
 142
 143enum RenderedMessageSegment {
 144    Thinking {
 145        content: Entity<Markdown>,
 146        scroll_handle: ScrollHandle,
 147    },
 148    Text(Entity<Markdown>),
 149}
 150
 151fn parse_markdown(
 152    text: SharedString,
 153    language_registry: Arc<LanguageRegistry>,
 154    cx: &mut App,
 155) -> Entity<Markdown> {
 156    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 157}
 158
 159fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 160    let theme_settings = ThemeSettings::get_global(cx);
 161    let colors = cx.theme().colors();
 162    let ui_font_size = TextSize::Default.rems(cx);
 163    let buffer_font_size = TextSize::Small.rems(cx);
 164    let mut text_style = window.text_style();
 165
 166    text_style.refine(&TextStyleRefinement {
 167        font_family: Some(theme_settings.ui_font.family.clone()),
 168        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 169        font_features: Some(theme_settings.ui_font.features.clone()),
 170        font_size: Some(ui_font_size.into()),
 171        color: Some(cx.theme().colors().text),
 172        ..Default::default()
 173    });
 174
 175    MarkdownStyle {
 176        base_text_style: text_style,
 177        syntax: cx.theme().syntax().clone(),
 178        selection_background_color: cx.theme().players().local().selection,
 179        code_block_overflow_x_scroll: true,
 180        table_overflow_x_scroll: true,
 181        code_block: StyleRefinement {
 182            padding: EdgesRefinement {
 183                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 184                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 185                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 186                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 187            },
 188            background: Some(colors.editor_background.into()),
 189            text: Some(TextStyleRefinement {
 190                font_family: Some(theme_settings.buffer_font.family.clone()),
 191                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 192                font_features: Some(theme_settings.buffer_font.features.clone()),
 193                font_size: Some(buffer_font_size.into()),
 194                ..Default::default()
 195            }),
 196            ..Default::default()
 197        },
 198        inline_code: TextStyleRefinement {
 199            font_family: Some(theme_settings.buffer_font.family.clone()),
 200            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 201            font_features: Some(theme_settings.buffer_font.features.clone()),
 202            font_size: Some(buffer_font_size.into()),
 203            background_color: Some(colors.editor_foreground.opacity(0.08)),
 204            ..Default::default()
 205        },
 206        link: TextStyleRefinement {
 207            background_color: Some(colors.editor_foreground.opacity(0.025)),
 208            underline: Some(UnderlineStyle {
 209                color: Some(colors.text_accent.opacity(0.5)),
 210                thickness: px(1.),
 211                ..Default::default()
 212            }),
 213            ..Default::default()
 214        },
 215        link_callback: Some(Rc::new(move |url, cx| {
 216            if MentionLink::is_valid(url) {
 217                let colors = cx.theme().colors();
 218                Some(TextStyleRefinement {
 219                    background_color: Some(colors.element_background),
 220                    ..Default::default()
 221                })
 222            } else {
 223                None
 224            }
 225        })),
 226        ..Default::default()
 227    }
 228}
 229
 230fn render_tool_use_markdown(
 231    text: SharedString,
 232    language_registry: Arc<LanguageRegistry>,
 233    cx: &mut App,
 234) -> Entity<Markdown> {
 235    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 236}
 237
 238fn tool_use_markdown_style(window: &Window, cx: &mut App) -> MarkdownStyle {
 239    let theme_settings = ThemeSettings::get_global(cx);
 240    let colors = cx.theme().colors();
 241    let ui_font_size = TextSize::Default.rems(cx);
 242    let buffer_font_size = TextSize::Small.rems(cx);
 243    let mut text_style = window.text_style();
 244
 245    text_style.refine(&TextStyleRefinement {
 246        font_family: Some(theme_settings.ui_font.family.clone()),
 247        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 248        font_features: Some(theme_settings.ui_font.features.clone()),
 249        font_size: Some(ui_font_size.into()),
 250        color: Some(cx.theme().colors().text),
 251        ..Default::default()
 252    });
 253
 254    MarkdownStyle {
 255        base_text_style: text_style,
 256        syntax: cx.theme().syntax().clone(),
 257        selection_background_color: cx.theme().players().local().selection,
 258        code_block_overflow_x_scroll: true,
 259        code_block: StyleRefinement {
 260            margin: EdgesRefinement::default(),
 261            padding: EdgesRefinement::default(),
 262            background: Some(colors.editor_background.into()),
 263            border_color: None,
 264            border_widths: EdgesRefinement::default(),
 265            text: Some(TextStyleRefinement {
 266                font_family: Some(theme_settings.buffer_font.family.clone()),
 267                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 268                font_features: Some(theme_settings.buffer_font.features.clone()),
 269                font_size: Some(buffer_font_size.into()),
 270                ..Default::default()
 271            }),
 272            ..Default::default()
 273        },
 274        inline_code: TextStyleRefinement {
 275            font_family: Some(theme_settings.buffer_font.family.clone()),
 276            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 277            font_features: Some(theme_settings.buffer_font.features.clone()),
 278            font_size: Some(TextSize::XSmall.rems(cx).into()),
 279            ..Default::default()
 280        },
 281        heading: StyleRefinement {
 282            text: Some(TextStyleRefinement {
 283                font_size: Some(ui_font_size.into()),
 284                ..Default::default()
 285            }),
 286            ..Default::default()
 287        },
 288        ..Default::default()
 289    }
 290}
 291
 292fn render_markdown_code_block(
 293    message_id: MessageId,
 294    ix: usize,
 295    kind: &CodeBlockKind,
 296    parsed_markdown: &ParsedMarkdown,
 297    codeblock_range: Range<usize>,
 298    active_thread: Entity<ActiveThread>,
 299    workspace: WeakEntity<Workspace>,
 300    _window: &mut Window,
 301    cx: &App,
 302) -> Div {
 303    let label = match kind {
 304        CodeBlockKind::Indented => None,
 305        CodeBlockKind::Fenced => Some(
 306            h_flex()
 307                .gap_1()
 308                .child(
 309                    Icon::new(IconName::Code)
 310                        .color(Color::Muted)
 311                        .size(IconSize::XSmall),
 312                )
 313                .child(Label::new("untitled").size(LabelSize::Small))
 314                .into_any_element(),
 315        ),
 316        CodeBlockKind::FencedLang(raw_language_name) => Some(
 317            h_flex()
 318                .gap_1()
 319                .children(
 320                    parsed_markdown
 321                        .languages_by_name
 322                        .get(raw_language_name)
 323                        .and_then(|language| {
 324                            language
 325                                .config()
 326                                .matcher
 327                                .path_suffixes
 328                                .iter()
 329                                .find_map(|extension| {
 330                                    file_icons::FileIcons::get_icon(Path::new(extension), cx)
 331                                })
 332                                .map(Icon::from_path)
 333                                .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
 334                        }),
 335                )
 336                .child(
 337                    Label::new(
 338                        parsed_markdown
 339                            .languages_by_name
 340                            .get(raw_language_name)
 341                            .map(|language| language.name().into())
 342                            .clone()
 343                            .unwrap_or_else(|| raw_language_name.clone()),
 344                    )
 345                    .size(LabelSize::Small),
 346                )
 347                .into_any_element(),
 348        ),
 349        CodeBlockKind::FencedSrc(path_range) => path_range.path.file_name().map(|file_name| {
 350            let content = if let Some(parent) = path_range.path.parent() {
 351                h_flex()
 352                    .ml_1()
 353                    .gap_1()
 354                    .child(
 355                        Label::new(file_name.to_string_lossy().to_string()).size(LabelSize::Small),
 356                    )
 357                    .child(
 358                        Label::new(parent.to_string_lossy().to_string())
 359                            .color(Color::Muted)
 360                            .size(LabelSize::Small),
 361                    )
 362                    .into_any_element()
 363            } else {
 364                Label::new(path_range.path.to_string_lossy().to_string())
 365                    .size(LabelSize::Small)
 366                    .ml_1()
 367                    .into_any_element()
 368            };
 369
 370            h_flex()
 371                .id(("code-block-header-label", ix))
 372                .w_full()
 373                .max_w_full()
 374                .px_1()
 375                .gap_0p5()
 376                .cursor_pointer()
 377                .rounded_sm()
 378                .hover(|item| item.bg(cx.theme().colors().element_hover.opacity(0.5)))
 379                .tooltip(Tooltip::text("Jump to file"))
 380                .children(
 381                    file_icons::FileIcons::get_icon(&path_range.path, cx)
 382                        .map(Icon::from_path)
 383                        .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
 384                )
 385                .child(content)
 386                .child(
 387                    Icon::new(IconName::ArrowUpRight)
 388                        .size(IconSize::XSmall)
 389                        .color(Color::Ignored),
 390                )
 391                .on_click({
 392                    let path_range = path_range.clone();
 393                    move |_, window, cx| {
 394                        workspace
 395                            .update(cx, {
 396                                |workspace, cx| {
 397                                    if let Some(project_path) = workspace
 398                                        .project()
 399                                        .read(cx)
 400                                        .find_project_path(&path_range.path, cx)
 401                                    {
 402                                        let target = path_range.range.as_ref().map(|range| {
 403                                            Point::new(
 404                                                // Line number is 1-based
 405                                                range.start.line.saturating_sub(1),
 406                                                range.start.col.unwrap_or(0),
 407                                            )
 408                                        });
 409                                        let open_task = workspace.open_path(
 410                                            project_path,
 411                                            None,
 412                                            true,
 413                                            window,
 414                                            cx,
 415                                        );
 416                                        window
 417                                            .spawn(cx, async move |cx| {
 418                                                let item = open_task.await?;
 419                                                if let Some(target) = target {
 420                                                    if let Some(active_editor) =
 421                                                        item.downcast::<Editor>()
 422                                                    {
 423                                                        active_editor
 424                                                            .downgrade()
 425                                                            .update_in(cx, |editor, window, cx| {
 426                                                                editor
 427                                                                    .go_to_singleton_buffer_point(
 428                                                                        target, window, cx,
 429                                                                    );
 430                                                            })
 431                                                            .log_err();
 432                                                    }
 433                                                }
 434                                                anyhow::Ok(())
 435                                            })
 436                                            .detach_and_log_err(cx);
 437                                    }
 438                                }
 439                            })
 440                            .ok();
 441                    }
 442                })
 443                .into_any_element()
 444        }),
 445    };
 446
 447    let codeblock_header_bg = cx
 448        .theme()
 449        .colors()
 450        .element_background
 451        .blend(cx.theme().colors().editor_foreground.opacity(0.01));
 452
 453    let codeblock_was_copied = active_thread
 454        .read(cx)
 455        .copied_code_block_ids
 456        .contains(&(message_id, ix));
 457
 458    let codeblock_header = h_flex()
 459        .p_1()
 460        .gap_1()
 461        .justify_between()
 462        .border_b_1()
 463        .border_color(cx.theme().colors().border_variant)
 464        .bg(codeblock_header_bg)
 465        .rounded_t_md()
 466        .children(label)
 467        .child(
 468            IconButton::new(
 469                ("copy-markdown-code", ix),
 470                if codeblock_was_copied {
 471                    IconName::Check
 472                } else {
 473                    IconName::Copy
 474                },
 475            )
 476            .icon_color(Color::Muted)
 477            .shape(ui::IconButtonShape::Square)
 478            .tooltip(Tooltip::text("Copy Code"))
 479            .on_click({
 480                let active_thread = active_thread.clone();
 481                let parsed_markdown = parsed_markdown.clone();
 482                move |_event, _window, cx| {
 483                    active_thread.update(cx, |this, cx| {
 484                        this.copied_code_block_ids.insert((message_id, ix));
 485
 486                        let code =
 487                            without_fences(&parsed_markdown.source()[codeblock_range.clone()])
 488                                .to_string();
 489
 490                        cx.write_to_clipboard(ClipboardItem::new_string(code.clone()));
 491
 492                        cx.spawn(async move |this, cx| {
 493                            cx.background_executor().timer(Duration::from_secs(2)).await;
 494
 495                            cx.update(|cx| {
 496                                this.update(cx, |this, cx| {
 497                                    this.copied_code_block_ids.remove(&(message_id, ix));
 498                                    cx.notify();
 499                                })
 500                            })
 501                            .ok();
 502                        })
 503                        .detach();
 504                    });
 505                }
 506            }),
 507        );
 508
 509    v_flex()
 510        .mb_2()
 511        .relative()
 512        .overflow_hidden()
 513        .rounded_lg()
 514        .border_1()
 515        .border_color(cx.theme().colors().border_variant)
 516        .child(codeblock_header)
 517}
 518
 519fn open_markdown_link(
 520    text: SharedString,
 521    workspace: WeakEntity<Workspace>,
 522    window: &mut Window,
 523    cx: &mut App,
 524) {
 525    let Some(workspace) = workspace.upgrade() else {
 526        cx.open_url(&text);
 527        return;
 528    };
 529
 530    match MentionLink::try_parse(&text, &workspace, cx) {
 531        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 532            if entry.is_dir() {
 533                workspace.project().update(cx, |_, cx| {
 534                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 535                })
 536            } else {
 537                workspace
 538                    .open_path(path, None, true, window, cx)
 539                    .detach_and_log_err(cx);
 540            }
 541        }),
 542        Some(MentionLink::Symbol(path, symbol_name)) => {
 543            let open_task = workspace.update(cx, |workspace, cx| {
 544                workspace.open_path(path, None, true, window, cx)
 545            });
 546            window
 547                .spawn(cx, async move |cx| {
 548                    let active_editor = open_task
 549                        .await?
 550                        .downcast::<Editor>()
 551                        .context("Item is not an editor")?;
 552                    active_editor.update_in(cx, |editor, window, cx| {
 553                        let symbol_range = editor
 554                            .buffer()
 555                            .read(cx)
 556                            .snapshot(cx)
 557                            .outline(None)
 558                            .and_then(|outline| {
 559                                outline
 560                                    .find_most_similar(&symbol_name)
 561                                    .map(|(_, item)| item.range.clone())
 562                            })
 563                            .context("Could not find matching symbol")?;
 564
 565                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 566                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 567                        });
 568                        anyhow::Ok(())
 569                    })
 570                })
 571                .detach_and_log_err(cx);
 572        }
 573        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 574            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
 575                panel.update(cx, |panel, cx| {
 576                    panel
 577                        .open_thread(&thread_id, window, cx)
 578                        .detach_and_log_err(cx)
 579                });
 580            }
 581        }),
 582        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 583        None => cx.open_url(&text),
 584    }
 585}
 586
 587struct EditMessageState {
 588    editor: Entity<Editor>,
 589}
 590
 591impl ActiveThread {
 592    pub fn new(
 593        thread: Entity<Thread>,
 594        thread_store: Entity<ThreadStore>,
 595        language_registry: Arc<LanguageRegistry>,
 596        context_store: Entity<ContextStore>,
 597        workspace: WeakEntity<Workspace>,
 598        window: &mut Window,
 599        cx: &mut Context<Self>,
 600    ) -> Self {
 601        let subscriptions = vec![
 602            cx.observe(&thread, |_, _, cx| cx.notify()),
 603            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 604        ];
 605
 606        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 607            let this = cx.entity().downgrade();
 608            move |ix, window: &mut Window, cx: &mut App| {
 609                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 610                    .unwrap()
 611            }
 612        });
 613
 614        let mut this = Self {
 615            language_registry,
 616            thread_store,
 617            thread: thread.clone(),
 618            context_store,
 619            workspace,
 620            save_thread_task: None,
 621            messages: Vec::new(),
 622            rendered_messages_by_id: HashMap::default(),
 623            rendered_tool_uses: HashMap::default(),
 624            expanded_tool_uses: HashMap::default(),
 625            expanded_thinking_segments: HashMap::default(),
 626            list_state: list_state.clone(),
 627            scrollbar_state: ScrollbarState::new(list_state),
 628            show_scrollbar: false,
 629            hide_scrollbar_task: None,
 630            editing_message: None,
 631            last_error: None,
 632            copied_code_block_ids: HashSet::default(),
 633            notifications: Vec::new(),
 634            _subscriptions: subscriptions,
 635            notification_subscriptions: HashMap::default(),
 636            feedback_message_editor: None,
 637        };
 638
 639        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 640            this.push_message(&message.id, &message.segments, window, cx);
 641
 642            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 643                this.render_tool_use_markdown(
 644                    tool_use.id.clone(),
 645                    tool_use.ui_text.clone(),
 646                    &tool_use.input,
 647                    tool_use.status.text(),
 648                    cx,
 649                );
 650            }
 651        }
 652
 653        this
 654    }
 655
 656    pub fn thread(&self) -> &Entity<Thread> {
 657        &self.thread
 658    }
 659
 660    pub fn is_empty(&self) -> bool {
 661        self.messages.is_empty()
 662    }
 663
 664    pub fn summary(&self, cx: &App) -> Option<SharedString> {
 665        self.thread.read(cx).summary()
 666    }
 667
 668    pub fn summary_or_default(&self, cx: &App) -> SharedString {
 669        self.thread.read(cx).summary_or_default()
 670    }
 671
 672    pub fn cancel_last_completion(&mut self, cx: &mut App) -> bool {
 673        self.last_error.take();
 674        self.thread
 675            .update(cx, |thread, cx| thread.cancel_last_completion(cx))
 676    }
 677
 678    pub fn last_error(&self) -> Option<ThreadError> {
 679        self.last_error.clone()
 680    }
 681
 682    pub fn clear_last_error(&mut self) {
 683        self.last_error.take();
 684    }
 685
 686    fn push_message(
 687        &mut self,
 688        id: &MessageId,
 689        segments: &[MessageSegment],
 690        _window: &mut Window,
 691        cx: &mut Context<Self>,
 692    ) {
 693        let old_len = self.messages.len();
 694        self.messages.push(*id);
 695        self.list_state.splice(old_len..old_len, 1);
 696
 697        let rendered_message =
 698            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 699        self.rendered_messages_by_id.insert(*id, rendered_message);
 700    }
 701
 702    fn edited_message(
 703        &mut self,
 704        id: &MessageId,
 705        segments: &[MessageSegment],
 706        _window: &mut Window,
 707        cx: &mut Context<Self>,
 708    ) {
 709        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 710            return;
 711        };
 712        self.list_state.splice(index..index + 1, 1);
 713        let rendered_message =
 714            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 715        self.rendered_messages_by_id.insert(*id, rendered_message);
 716    }
 717
 718    fn deleted_message(&mut self, id: &MessageId) {
 719        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 720            return;
 721        };
 722        self.messages.remove(index);
 723        self.list_state.splice(index..index + 1, 0);
 724        self.rendered_messages_by_id.remove(id);
 725    }
 726
 727    fn render_tool_use_markdown(
 728        &mut self,
 729        tool_use_id: LanguageModelToolUseId,
 730        tool_label: impl Into<SharedString>,
 731        tool_input: &serde_json::Value,
 732        tool_output: SharedString,
 733        cx: &mut Context<Self>,
 734    ) {
 735        let rendered = RenderedToolUse {
 736            label: render_tool_use_markdown(tool_label.into(), self.language_registry.clone(), cx),
 737            input: render_tool_use_markdown(
 738                format!(
 739                    "```json\n{}\n```",
 740                    serde_json::to_string_pretty(tool_input).unwrap_or_default()
 741                )
 742                .into(),
 743                self.language_registry.clone(),
 744                cx,
 745            ),
 746            output: render_tool_use_markdown(tool_output, self.language_registry.clone(), cx),
 747        };
 748        self.rendered_tool_uses
 749            .insert(tool_use_id.clone(), rendered);
 750    }
 751
 752    fn handle_thread_event(
 753        &mut self,
 754        _thread: &Entity<Thread>,
 755        event: &ThreadEvent,
 756        window: &mut Window,
 757        cx: &mut Context<Self>,
 758    ) {
 759        match event {
 760            ThreadEvent::ShowError(error) => {
 761                self.last_error = Some(error.clone());
 762            }
 763            ThreadEvent::StreamedCompletion
 764            | ThreadEvent::SummaryGenerated
 765            | ThreadEvent::SummaryChanged => {
 766                self.save_thread(cx);
 767            }
 768            ThreadEvent::DoneStreaming => {
 769                let thread = self.thread.read(cx);
 770
 771                if !thread.is_generating() {
 772                    self.show_notification(
 773                        if thread.used_tools_since_last_user_message() {
 774                            "Finished running tools"
 775                        } else {
 776                            "New message"
 777                        },
 778                        IconName::ZedAssistant,
 779                        window,
 780                        cx,
 781                    );
 782                }
 783            }
 784            ThreadEvent::ToolConfirmationNeeded => {
 785                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
 786            }
 787            ThreadEvent::StreamedAssistantText(message_id, text) => {
 788                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 789                    rendered_message.append_text(text, cx);
 790                }
 791            }
 792            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
 793                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 794                    rendered_message.append_thinking(text, cx);
 795                }
 796            }
 797            ThreadEvent::MessageAdded(message_id) => {
 798                if let Some(message_segments) = self
 799                    .thread
 800                    .read(cx)
 801                    .message(*message_id)
 802                    .map(|message| message.segments.clone())
 803                {
 804                    self.push_message(message_id, &message_segments, window, cx);
 805                }
 806
 807                self.save_thread(cx);
 808                cx.notify();
 809            }
 810            ThreadEvent::MessageEdited(message_id) => {
 811                if let Some(message_segments) = self
 812                    .thread
 813                    .read(cx)
 814                    .message(*message_id)
 815                    .map(|message| message.segments.clone())
 816                {
 817                    self.edited_message(message_id, &message_segments, window, cx);
 818                }
 819
 820                self.save_thread(cx);
 821                cx.notify();
 822            }
 823            ThreadEvent::MessageDeleted(message_id) => {
 824                self.deleted_message(message_id);
 825                self.save_thread(cx);
 826                cx.notify();
 827            }
 828            ThreadEvent::UsePendingTools => {
 829                let tool_uses = self
 830                    .thread
 831                    .update(cx, |thread, cx| thread.use_pending_tools(cx));
 832
 833                for tool_use in tool_uses {
 834                    self.render_tool_use_markdown(
 835                        tool_use.id.clone(),
 836                        tool_use.ui_text.clone(),
 837                        &tool_use.input,
 838                        "".into(),
 839                        cx,
 840                    );
 841                }
 842            }
 843            ThreadEvent::ToolFinished {
 844                pending_tool_use,
 845                canceled,
 846                ..
 847            } => {
 848                let canceled = *canceled;
 849                if let Some(tool_use) = pending_tool_use {
 850                    self.render_tool_use_markdown(
 851                        tool_use.id.clone(),
 852                        tool_use.ui_text.clone(),
 853                        &tool_use.input,
 854                        self.thread
 855                            .read(cx)
 856                            .tool_result(&tool_use.id)
 857                            .map(|result| result.content.clone().into())
 858                            .unwrap_or("".into()),
 859                        cx,
 860                    );
 861                }
 862
 863                if self.thread.read(cx).all_tools_finished() {
 864                    let model_registry = LanguageModelRegistry::read_global(cx);
 865                    if let Some(ConfiguredModel { model, .. }) = model_registry.default_model() {
 866                        self.thread.update(cx, |thread, cx| {
 867                            thread.attach_tool_results(cx);
 868                            if !canceled {
 869                                thread.send_to_model(model, RequestKind::Chat, cx);
 870                            }
 871                        });
 872                    }
 873                }
 874            }
 875            ThreadEvent::CheckpointChanged => cx.notify(),
 876        }
 877    }
 878
 879    fn show_notification(
 880        &mut self,
 881        caption: impl Into<SharedString>,
 882        icon: IconName,
 883        window: &mut Window,
 884        cx: &mut Context<ActiveThread>,
 885    ) {
 886        if window.is_window_active() || !self.notifications.is_empty() {
 887            return;
 888        }
 889
 890        let title = self
 891            .thread
 892            .read(cx)
 893            .summary()
 894            .unwrap_or("Agent Panel".into());
 895
 896        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
 897            NotifyWhenAgentWaiting::PrimaryScreen => {
 898                if let Some(primary) = cx.primary_display() {
 899                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
 900                }
 901            }
 902            NotifyWhenAgentWaiting::AllScreens => {
 903                let caption = caption.into();
 904                for screen in cx.displays() {
 905                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
 906                }
 907            }
 908            NotifyWhenAgentWaiting::Never => {
 909                // Don't show anything
 910            }
 911        }
 912    }
 913
 914    fn pop_up(
 915        &mut self,
 916        icon: IconName,
 917        caption: SharedString,
 918        title: SharedString,
 919        window: &mut Window,
 920        screen: Rc<dyn PlatformDisplay>,
 921        cx: &mut Context<'_, ActiveThread>,
 922    ) {
 923        let options = AgentNotification::window_options(screen, cx);
 924
 925        if let Some(screen_window) = cx
 926            .open_window(options, |_, cx| {
 927                cx.new(|_| AgentNotification::new(title.clone(), caption.clone(), icon))
 928            })
 929            .log_err()
 930        {
 931            if let Some(pop_up) = screen_window.entity(cx).log_err() {
 932                self.notification_subscriptions
 933                    .entry(screen_window)
 934                    .or_insert_with(Vec::new)
 935                    .push(cx.subscribe_in(&pop_up, window, {
 936                        |this, _, event, window, cx| match event {
 937                            AgentNotificationEvent::Accepted => {
 938                                let handle = window.window_handle();
 939                                cx.activate(true); // Switch back to the Zed application
 940
 941                                let workspace_handle = this.workspace.clone();
 942
 943                                // If there are multiple Zed windows, activate the correct one.
 944                                cx.defer(move |cx| {
 945                                    handle
 946                                        .update(cx, |_view, window, _cx| {
 947                                            window.activate_window();
 948
 949                                            if let Some(workspace) = workspace_handle.upgrade() {
 950                                                workspace.update(_cx, |workspace, cx| {
 951                                                    workspace
 952                                                        .focus_panel::<AssistantPanel>(window, cx);
 953                                                });
 954                                            }
 955                                        })
 956                                        .log_err();
 957                                });
 958
 959                                this.dismiss_notifications(cx);
 960                            }
 961                            AgentNotificationEvent::Dismissed => {
 962                                this.dismiss_notifications(cx);
 963                            }
 964                        }
 965                    }));
 966
 967                self.notifications.push(screen_window);
 968
 969                // If the user manually refocuses the original window, dismiss the popup.
 970                self.notification_subscriptions
 971                    .entry(screen_window)
 972                    .or_insert_with(Vec::new)
 973                    .push({
 974                        let pop_up_weak = pop_up.downgrade();
 975
 976                        cx.observe_window_activation(window, move |_, window, cx| {
 977                            if window.is_window_active() {
 978                                if let Some(pop_up) = pop_up_weak.upgrade() {
 979                                    pop_up.update(cx, |_, cx| {
 980                                        cx.emit(AgentNotificationEvent::Dismissed);
 981                                    });
 982                                }
 983                            }
 984                        })
 985                    });
 986            }
 987        }
 988    }
 989
 990    /// Spawns a task to save the active thread.
 991    ///
 992    /// Only one task to save the thread will be in flight at a time.
 993    fn save_thread(&mut self, cx: &mut Context<Self>) {
 994        let thread = self.thread.clone();
 995        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
 996            let task = this
 997                .update(cx, |this, cx| {
 998                    this.thread_store
 999                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
1000                })
1001                .ok();
1002
1003            if let Some(task) = task {
1004                task.await.log_err();
1005            }
1006        }));
1007    }
1008
1009    fn start_editing_message(
1010        &mut self,
1011        message_id: MessageId,
1012        message_segments: &[MessageSegment],
1013        window: &mut Window,
1014        cx: &mut Context<Self>,
1015    ) {
1016        // User message should always consist of a single text segment,
1017        // therefore we can skip returning early if it's not a text segment.
1018        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
1019            return;
1020        };
1021
1022        let buffer = cx.new(|cx| {
1023            MultiBuffer::singleton(cx.new(|cx| Buffer::local(message_text.clone(), cx)), cx)
1024        });
1025        let editor = cx.new(|cx| {
1026            let mut editor = Editor::new(
1027                editor::EditorMode::AutoHeight { max_lines: 8 },
1028                buffer,
1029                None,
1030                window,
1031                cx,
1032            );
1033            editor.focus_handle(cx).focus(window);
1034            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
1035            editor
1036        });
1037        self.editing_message = Some((
1038            message_id,
1039            EditMessageState {
1040                editor: editor.clone(),
1041            },
1042        ));
1043        cx.notify();
1044    }
1045
1046    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1047        self.editing_message.take();
1048        cx.notify();
1049    }
1050
1051    fn confirm_editing_message(
1052        &mut self,
1053        _: &menu::Confirm,
1054        _: &mut Window,
1055        cx: &mut Context<Self>,
1056    ) {
1057        let Some((message_id, state)) = self.editing_message.take() else {
1058            return;
1059        };
1060        let edited_text = state.editor.read(cx).text(cx);
1061        self.thread.update(cx, |thread, cx| {
1062            thread.edit_message(
1063                message_id,
1064                Role::User,
1065                vec![MessageSegment::Text(edited_text)],
1066                cx,
1067            );
1068            for message_id in self.messages_after(message_id) {
1069                thread.delete_message(*message_id, cx);
1070            }
1071        });
1072
1073        let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
1074            return;
1075        };
1076
1077        if model.provider.must_accept_terms(cx) {
1078            cx.notify();
1079            return;
1080        }
1081
1082        self.thread.update(cx, |thread, cx| {
1083            thread.send_to_model(model.model, RequestKind::Chat, cx)
1084        });
1085        cx.notify();
1086    }
1087
1088    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
1089        self.messages
1090            .iter()
1091            .position(|id| *id == message_id)
1092            .map(|index| &self.messages[index + 1..])
1093            .unwrap_or(&[])
1094    }
1095
1096    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1097        self.cancel_editing_message(&menu::Cancel, window, cx);
1098    }
1099
1100    fn handle_regenerate_click(
1101        &mut self,
1102        _: &ClickEvent,
1103        window: &mut Window,
1104        cx: &mut Context<Self>,
1105    ) {
1106        self.confirm_editing_message(&menu::Confirm, window, cx);
1107    }
1108
1109    fn handle_feedback_click(
1110        &mut self,
1111        feedback: ThreadFeedback,
1112        window: &mut Window,
1113        cx: &mut Context<Self>,
1114    ) {
1115        match feedback {
1116            ThreadFeedback::Positive => {
1117                let report = self
1118                    .thread
1119                    .update(cx, |thread, cx| thread.report_feedback(feedback, cx));
1120
1121                let this = cx.entity().downgrade();
1122                cx.spawn(async move |_, cx| {
1123                    report.await?;
1124                    this.update(cx, |_this, cx| cx.notify())
1125                })
1126                .detach_and_log_err(cx);
1127            }
1128            ThreadFeedback::Negative => {
1129                self.handle_show_feedback_comments(window, cx);
1130            }
1131        }
1132    }
1133
1134    fn handle_show_feedback_comments(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1135        if self.feedback_message_editor.is_some() {
1136            return;
1137        }
1138
1139        let buffer = cx.new(|cx| {
1140            let empty_string = String::new();
1141            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
1142        });
1143
1144        let editor = cx.new(|cx| {
1145            let mut editor = Editor::new(
1146                editor::EditorMode::AutoHeight { max_lines: 4 },
1147                buffer,
1148                None,
1149                window,
1150                cx,
1151            );
1152            editor.set_placeholder_text(
1153                "What went wrong? Share your feedback so we can improve.",
1154                cx,
1155            );
1156            editor
1157        });
1158
1159        editor.read(cx).focus_handle(cx).focus(window);
1160        self.feedback_message_editor = Some(editor);
1161        cx.notify();
1162    }
1163
1164    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
1165        let Some(editor) = self.feedback_message_editor.clone() else {
1166            return;
1167        };
1168
1169        let report_task = self.thread.update(cx, |thread, cx| {
1170            thread.report_feedback(ThreadFeedback::Negative, cx)
1171        });
1172
1173        let comments = editor.read(cx).text(cx);
1174        if !comments.is_empty() {
1175            let thread_id = self.thread.read(cx).id().clone();
1176
1177            telemetry::event!("Assistant Thread Feedback Comments", thread_id, comments);
1178        }
1179
1180        self.feedback_message_editor = None;
1181
1182        let this = cx.entity().downgrade();
1183        cx.spawn(async move |_, cx| {
1184            report_task.await?;
1185            this.update(cx, |_this, cx| cx.notify())
1186        })
1187        .detach_and_log_err(cx);
1188    }
1189
1190    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
1191        let message_id = self.messages[ix];
1192        let Some(message) = self.thread.read(cx).message(message_id) else {
1193            return Empty.into_any();
1194        };
1195
1196        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
1197            return Empty.into_any();
1198        };
1199
1200        let context_store = self.context_store.clone();
1201        let workspace = self.workspace.clone();
1202        let thread = self.thread.read(cx);
1203
1204        // Get all the data we need from thread before we start using it in closures
1205        let checkpoint = thread.checkpoint_for_message(message_id);
1206        let context = thread.context_for_message(message_id).collect::<Vec<_>>();
1207
1208        let tool_uses = thread.tool_uses_for_message(message_id, cx);
1209        let has_tool_uses = !tool_uses.is_empty();
1210        let is_generating = thread.is_generating();
1211
1212        let is_first_message = ix == 0;
1213        let is_last_message = ix == self.messages.len() - 1;
1214        let show_feedback = is_last_message && message.role != Role::User;
1215
1216        let needs_confirmation = tool_uses.iter().any(|tool_use| tool_use.needs_confirmation);
1217
1218        let generating_label = (is_generating && is_last_message).then(|| {
1219            Label::new("Generating")
1220                .color(Color::Muted)
1221                .size(LabelSize::Small)
1222                .with_animation(
1223                    "generating-label",
1224                    Animation::new(Duration::from_secs(1)).repeat(),
1225                    |mut label, delta| {
1226                        let text = match delta {
1227                            d if d < 0.25 => "Generating",
1228                            d if d < 0.5 => "Generating.",
1229                            d if d < 0.75 => "Generating..",
1230                            _ => "Generating...",
1231                        };
1232                        label.set_text(text);
1233                        label
1234                    },
1235                )
1236                .with_animation(
1237                    "pulsating-label",
1238                    Animation::new(Duration::from_secs(2))
1239                        .repeat()
1240                        .with_easing(pulsating_between(0.6, 1.)),
1241                    |label, delta| label.map_element(|label| label.alpha(delta)),
1242                )
1243        });
1244
1245        // Don't render user messages that are just there for returning tool results.
1246        if message.role == Role::User && thread.message_has_tool_results(message_id) {
1247            if let Some(generating_label) = generating_label {
1248                return h_flex()
1249                    .w_full()
1250                    .h_10()
1251                    .py_1p5()
1252                    .pl_4()
1253                    .pb_3()
1254                    .child(generating_label)
1255                    .into_any_element();
1256            }
1257
1258            return Empty.into_any();
1259        }
1260
1261        let allow_editing_message = message.role == Role::User;
1262
1263        let edit_message_editor = self
1264            .editing_message
1265            .as_ref()
1266            .filter(|(id, _)| *id == message_id)
1267            .map(|(_, state)| state.editor.clone());
1268
1269        let colors = cx.theme().colors();
1270        let active_color = colors.element_active;
1271        let editor_bg_color = colors.editor_background;
1272        let bg_user_message_header = editor_bg_color.blend(active_color.opacity(0.25));
1273
1274        let feedback_container = h_flex().pt_2().pb_4().px_4().gap_1().justify_between();
1275        let feedback_items = match self.thread.read(cx).feedback() {
1276            Some(feedback) => feedback_container
1277                .child(
1278                    Label::new(match feedback {
1279                        ThreadFeedback::Positive => "Thanks for your feedback!",
1280                        ThreadFeedback::Negative => {
1281                            "We appreciate your feedback and will use it to improve."
1282                        }
1283                    })
1284                    .color(Color::Muted)
1285                    .size(LabelSize::XSmall),
1286                )
1287                .child(
1288                    h_flex()
1289                        .gap_1()
1290                        .child(
1291                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1292                                .icon_size(IconSize::XSmall)
1293                                .icon_color(match feedback {
1294                                    ThreadFeedback::Positive => Color::Accent,
1295                                    ThreadFeedback::Negative => Color::Ignored,
1296                                })
1297                                .shape(ui::IconButtonShape::Square)
1298                                .tooltip(Tooltip::text("Helpful Response"))
1299                                .on_click(cx.listener(move |this, _, window, cx| {
1300                                    this.handle_feedback_click(
1301                                        ThreadFeedback::Positive,
1302                                        window,
1303                                        cx,
1304                                    );
1305                                })),
1306                        )
1307                        .child(
1308                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1309                                .icon_size(IconSize::XSmall)
1310                                .icon_color(match feedback {
1311                                    ThreadFeedback::Positive => Color::Ignored,
1312                                    ThreadFeedback::Negative => Color::Accent,
1313                                })
1314                                .shape(ui::IconButtonShape::Square)
1315                                .tooltip(Tooltip::text("Not Helpful"))
1316                                .on_click(cx.listener(move |this, _, window, cx| {
1317                                    this.handle_feedback_click(
1318                                        ThreadFeedback::Negative,
1319                                        window,
1320                                        cx,
1321                                    );
1322                                })),
1323                        ),
1324                )
1325                .into_any_element(),
1326            None => feedback_container
1327                .child(
1328                    Label::new(
1329                        "Rating the thread sends all of your current conversation to the Zed team.",
1330                    )
1331                    .color(Color::Muted)
1332                    .size(LabelSize::XSmall),
1333                )
1334                .child(
1335                    h_flex()
1336                        .gap_1()
1337                        .child(
1338                            IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
1339                                .icon_size(IconSize::XSmall)
1340                                .icon_color(Color::Ignored)
1341                                .shape(ui::IconButtonShape::Square)
1342                                .tooltip(Tooltip::text("Helpful Response"))
1343                                .on_click(cx.listener(move |this, _, window, cx| {
1344                                    this.handle_feedback_click(
1345                                        ThreadFeedback::Positive,
1346                                        window,
1347                                        cx,
1348                                    );
1349                                })),
1350                        )
1351                        .child(
1352                            IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
1353                                .icon_size(IconSize::XSmall)
1354                                .icon_color(Color::Ignored)
1355                                .shape(ui::IconButtonShape::Square)
1356                                .tooltip(Tooltip::text("Not Helpful"))
1357                                .on_click(cx.listener(move |this, _, window, cx| {
1358                                    this.handle_feedback_click(
1359                                        ThreadFeedback::Negative,
1360                                        window,
1361                                        cx,
1362                                    );
1363                                })),
1364                        ),
1365                )
1366                .into_any_element(),
1367        };
1368
1369        let message_is_empty = message.should_display_content();
1370        let has_content = !message_is_empty || !context.is_empty();
1371
1372        let message_content =
1373            has_content.then(|| {
1374                v_flex()
1375                    .gap_1p5()
1376                    .when(!message_is_empty, |parent| {
1377                        parent.child(
1378                            if let Some(edit_message_editor) = edit_message_editor.clone() {
1379                                div()
1380                                    .key_context("EditMessageEditor")
1381                                    .on_action(cx.listener(Self::cancel_editing_message))
1382                                    .on_action(cx.listener(Self::confirm_editing_message))
1383                                    .min_h_6()
1384                                    .child(edit_message_editor)
1385                                    .into_any()
1386                            } else {
1387                                div()
1388                                    .min_h_6()
1389                                    .text_ui(cx)
1390                                    .child(self.render_message_content(
1391                                        message_id,
1392                                        rendered_message,
1393                                        has_tool_uses,
1394                                        workspace.clone(),
1395                                        window,
1396                                        cx,
1397                                    ))
1398                                    .into_any()
1399                            },
1400                        )
1401                    })
1402                    .when(!context.is_empty(), |parent| {
1403                        parent.child(h_flex().flex_wrap().gap_1().children(
1404                            context.into_iter().map(|context| {
1405                                let context_id = context.id();
1406                                ContextPill::added(
1407                                    AddedContext::new(context, cx),
1408                                    false,
1409                                    false,
1410                                    None,
1411                                )
1412                                .on_click(Rc::new(cx.listener({
1413                                    let workspace = workspace.clone();
1414                                    let context_store = context_store.clone();
1415                                    move |_, _, window, cx| {
1416                                        if let Some(workspace) = workspace.upgrade() {
1417                                            open_context(
1418                                                context_id,
1419                                                context_store.clone(),
1420                                                workspace,
1421                                                window,
1422                                                cx,
1423                                            );
1424                                            cx.notify();
1425                                        }
1426                                    }
1427                                })))
1428                            }),
1429                        ))
1430                    })
1431            });
1432
1433        let styled_message = match message.role {
1434            Role::User => v_flex()
1435                .id(("message-container", ix))
1436                .map(|this| {
1437                    if is_first_message {
1438                        this.pt_2()
1439                    } else {
1440                        this.pt_4()
1441                    }
1442                })
1443                .pb_4()
1444                .pl_2()
1445                .pr_2p5()
1446                .child(
1447                    v_flex()
1448                        .bg(colors.editor_background)
1449                        .rounded_lg()
1450                        .border_1()
1451                        .border_color(colors.border)
1452                        .shadow_md()
1453                        .child(
1454                            h_flex()
1455                                .py_1()
1456                                .pl_2()
1457                                .pr_1()
1458                                .bg(bg_user_message_header)
1459                                .border_b_1()
1460                                .border_color(colors.border)
1461                                .justify_between()
1462                                .rounded_t_md()
1463                                .child(
1464                                    h_flex()
1465                                        .gap_1p5()
1466                                        .child(
1467                                            Icon::new(IconName::PersonCircle)
1468                                                .size(IconSize::XSmall)
1469                                                .color(Color::Muted),
1470                                        )
1471                                        .child(
1472                                            Label::new("You")
1473                                                .size(LabelSize::Small)
1474                                                .color(Color::Muted),
1475                                        ),
1476                                )
1477                                .child(
1478                                    h_flex()
1479                                        .gap_1()
1480                                        .when_some(
1481                                            edit_message_editor.clone(),
1482                                            |this, edit_message_editor| {
1483                                                let focus_handle =
1484                                                    edit_message_editor.focus_handle(cx);
1485                                                this.child(
1486                                                    Button::new("cancel-edit-message", "Cancel")
1487                                                        .label_size(LabelSize::Small)
1488                                                        .key_binding(
1489                                                            KeyBinding::for_action_in(
1490                                                                &menu::Cancel,
1491                                                                &focus_handle,
1492                                                                window,
1493                                                                cx,
1494                                                            )
1495                                                            .map(|kb| kb.size(rems_from_px(12.))),
1496                                                        )
1497                                                        .on_click(
1498                                                            cx.listener(Self::handle_cancel_click),
1499                                                        ),
1500                                                )
1501                                                .child(
1502                                                    Button::new(
1503                                                        "confirm-edit-message",
1504                                                        "Regenerate",
1505                                                    )
1506                                                    .label_size(LabelSize::Small)
1507                                                    .key_binding(
1508                                                        KeyBinding::for_action_in(
1509                                                            &menu::Confirm,
1510                                                            &focus_handle,
1511                                                            window,
1512                                                            cx,
1513                                                        )
1514                                                        .map(|kb| kb.size(rems_from_px(12.))),
1515                                                    )
1516                                                    .on_click(
1517                                                        cx.listener(Self::handle_regenerate_click),
1518                                                    ),
1519                                                )
1520                                            },
1521                                        )
1522                                        .when(
1523                                            edit_message_editor.is_none() && allow_editing_message,
1524                                            |this| {
1525                                                this.child(
1526                                                    Button::new("edit-message", "Edit")
1527                                                        .label_size(LabelSize::Small)
1528                                                        .on_click(cx.listener({
1529                                                            let message_segments =
1530                                                                message.segments.clone();
1531                                                            move |this, _, window, cx| {
1532                                                                this.start_editing_message(
1533                                                                    message_id,
1534                                                                    &message_segments,
1535                                                                    window,
1536                                                                    cx,
1537                                                                );
1538                                                            }
1539                                                        })),
1540                                                )
1541                                            },
1542                                        ),
1543                                ),
1544                        )
1545                        .child(div().p_2().children(message_content)),
1546                ),
1547            Role::Assistant => v_flex()
1548                .id(("message-container", ix))
1549                .ml_2()
1550                .pl_2()
1551                .pr_4()
1552                .border_l_1()
1553                .border_color(cx.theme().colors().border_variant)
1554                .children(message_content)
1555                .when(has_tool_uses, |parent| {
1556                    parent.children(
1557                        tool_uses
1558                            .into_iter()
1559                            .map(|tool_use| self.render_tool_use(tool_use, window, cx)),
1560                    )
1561                }),
1562            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
1563                v_flex()
1564                    .bg(colors.editor_background)
1565                    .rounded_sm()
1566                    .child(div().p_4().children(message_content)),
1567            ),
1568        };
1569
1570        v_flex()
1571            .w_full()
1572            .when_some(checkpoint, |parent, checkpoint| {
1573                let mut is_pending = false;
1574                let mut error = None;
1575                if let Some(last_restore_checkpoint) =
1576                    self.thread.read(cx).last_restore_checkpoint()
1577                {
1578                    if last_restore_checkpoint.message_id() == message_id {
1579                        match last_restore_checkpoint {
1580                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
1581                            LastRestoreCheckpoint::Error { error: err, .. } => {
1582                                error = Some(err.clone());
1583                            }
1584                        }
1585                    }
1586                }
1587
1588                let restore_checkpoint_button =
1589                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
1590                        .icon(if error.is_some() {
1591                            IconName::XCircle
1592                        } else {
1593                            IconName::Undo
1594                        })
1595                        .icon_size(IconSize::XSmall)
1596                        .icon_position(IconPosition::Start)
1597                        .icon_color(if error.is_some() {
1598                            Some(Color::Error)
1599                        } else {
1600                            None
1601                        })
1602                        .label_size(LabelSize::XSmall)
1603                        .disabled(is_pending)
1604                        .on_click(cx.listener(move |this, _, _window, cx| {
1605                            this.thread.update(cx, |thread, cx| {
1606                                thread
1607                                    .restore_checkpoint(checkpoint.clone(), cx)
1608                                    .detach_and_log_err(cx);
1609                            });
1610                        }));
1611
1612                let restore_checkpoint_button = if is_pending {
1613                    restore_checkpoint_button
1614                        .with_animation(
1615                            ("pulsating-restore-checkpoint-button", ix),
1616                            Animation::new(Duration::from_secs(2))
1617                                .repeat()
1618                                .with_easing(pulsating_between(0.6, 1.)),
1619                            |label, delta| label.alpha(delta),
1620                        )
1621                        .into_any_element()
1622                } else if let Some(error) = error {
1623                    restore_checkpoint_button
1624                        .tooltip(Tooltip::text(error.to_string()))
1625                        .into_any_element()
1626                } else {
1627                    restore_checkpoint_button.into_any_element()
1628                };
1629
1630                parent.child(
1631                    h_flex()
1632                        .pt_2p5()
1633                        .px_2p5()
1634                        .w_full()
1635                        .gap_1()
1636                        .child(ui::Divider::horizontal())
1637                        .child(restore_checkpoint_button)
1638                        .child(ui::Divider::horizontal()),
1639                )
1640            })
1641            .when(is_first_message, |parent| {
1642                parent.child(self.render_rules_item(cx))
1643            })
1644            .child(styled_message)
1645            .when(!needs_confirmation && generating_label.is_some(), |this| {
1646                this.child(
1647                    h_flex()
1648                        .h_8()
1649                        .mt_2()
1650                        .mb_4()
1651                        .ml_4()
1652                        .py_1p5()
1653                        .child(generating_label.unwrap()),
1654                )
1655            })
1656            .when(show_feedback && !is_generating, |parent| {
1657                parent.child(feedback_items).when_some(
1658                    self.feedback_message_editor.clone(),
1659                    |parent, feedback_editor| {
1660                        let focus_handle = feedback_editor.focus_handle(cx);
1661                        parent.child(
1662                            v_flex()
1663                                .key_context("AgentFeedbackMessageEditor")
1664                                .on_action(cx.listener(|this, _: &menu::Cancel, _, cx| {
1665                                    this.feedback_message_editor = None;
1666                                    cx.notify();
1667                                }))
1668                                .on_action(cx.listener(|this, _: &menu::Confirm, _, cx| {
1669                                    this.submit_feedback_message(cx);
1670                                    cx.notify();
1671                                }))
1672                                .on_action(cx.listener(Self::confirm_editing_message))
1673                                .my_3()
1674                                .mx_4()
1675                                .p_2()
1676                                .rounded_md()
1677                                .border_1()
1678                                .border_color(cx.theme().colors().border)
1679                                .bg(cx.theme().colors().editor_background)
1680                                .child(feedback_editor)
1681                                .child(
1682                                    h_flex()
1683                                        .gap_1()
1684                                        .justify_end()
1685                                        .child(
1686                                            Button::new("dismiss-feedback-message", "Cancel")
1687                                                .label_size(LabelSize::Small)
1688                                                .key_binding(
1689                                                    KeyBinding::for_action_in(
1690                                                        &menu::Cancel,
1691                                                        &focus_handle,
1692                                                        window,
1693                                                        cx,
1694                                                    )
1695                                                    .map(|kb| kb.size(rems_from_px(10.))),
1696                                                )
1697                                                .on_click(cx.listener(|this, _, _, cx| {
1698                                                    this.feedback_message_editor = None;
1699                                                    cx.notify();
1700                                                })),
1701                                        )
1702                                        .child(
1703                                            Button::new(
1704                                                "submit-feedback-message",
1705                                                "Share Feedback",
1706                                            )
1707                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1708                                            .label_size(LabelSize::Small)
1709                                            .key_binding(
1710                                                KeyBinding::for_action_in(
1711                                                    &menu::Confirm,
1712                                                    &focus_handle,
1713                                                    window,
1714                                                    cx,
1715                                                )
1716                                                .map(|kb| kb.size(rems_from_px(10.))),
1717                                            )
1718                                            .on_click(
1719                                                cx.listener(|this, _, _, cx| {
1720                                                    this.submit_feedback_message(cx);
1721                                                    cx.notify();
1722                                                }),
1723                                            ),
1724                                        ),
1725                                ),
1726                        )
1727                    },
1728                )
1729            })
1730            .into_any()
1731    }
1732
1733    fn render_message_content(
1734        &self,
1735        message_id: MessageId,
1736        rendered_message: &RenderedMessage,
1737        has_tool_uses: bool,
1738        workspace: WeakEntity<Workspace>,
1739        window: &Window,
1740        cx: &Context<Self>,
1741    ) -> impl IntoElement {
1742        let is_last_message = self.messages.last() == Some(&message_id);
1743        let is_generating = self.thread.read(cx).is_generating();
1744        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
1745            rendered_message
1746                .segments
1747                .iter()
1748                .enumerate()
1749                .next_back()
1750                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
1751                .map(|(index, _)| index)
1752        } else {
1753            None
1754        };
1755
1756        div()
1757            .text_ui(cx)
1758            .gap_2()
1759            .children(
1760                rendered_message.segments.iter().enumerate().map(
1761                    |(index, segment)| match segment {
1762                        RenderedMessageSegment::Thinking {
1763                            content,
1764                            scroll_handle,
1765                        } => self
1766                            .render_message_thinking_segment(
1767                                message_id,
1768                                index,
1769                                content.clone(),
1770                                &scroll_handle,
1771                                Some(index) == pending_thinking_segment_index,
1772                                window,
1773                                cx,
1774                            )
1775                            .into_any_element(),
1776                        RenderedMessageSegment::Text(markdown) => div()
1777                            .child(
1778                                MarkdownElement::new(
1779                                    markdown.clone(),
1780                                    default_markdown_style(window, cx),
1781                                )
1782                                .code_block_renderer(markdown::CodeBlockRenderer::Custom {
1783                                    render: Arc::new({
1784                                        let workspace = workspace.clone();
1785                                        let active_thread = cx.entity();
1786                                        move |id, kind, parsed_markdown, range, window, cx| {
1787                                            render_markdown_code_block(
1788                                                message_id,
1789                                                id,
1790                                                kind,
1791                                                parsed_markdown,
1792                                                range,
1793                                                active_thread.clone(),
1794                                                workspace.clone(),
1795                                                window,
1796                                                cx,
1797                                            )
1798                                        }
1799                                    }),
1800                                })
1801                                .on_url_click({
1802                                    let workspace = self.workspace.clone();
1803                                    move |text, window, cx| {
1804                                        open_markdown_link(text, workspace.clone(), window, cx);
1805                                    }
1806                                }),
1807                            )
1808                            .into_any_element(),
1809                    },
1810                ),
1811            )
1812    }
1813
1814    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1815        cx.theme().colors().border.opacity(0.5)
1816    }
1817
1818    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1819        cx.theme()
1820            .colors()
1821            .element_background
1822            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1823    }
1824
1825    fn render_message_thinking_segment(
1826        &self,
1827        message_id: MessageId,
1828        ix: usize,
1829        markdown: Entity<Markdown>,
1830        scroll_handle: &ScrollHandle,
1831        pending: bool,
1832        window: &Window,
1833        cx: &Context<Self>,
1834    ) -> impl IntoElement {
1835        let is_open = self
1836            .expanded_thinking_segments
1837            .get(&(message_id, ix))
1838            .copied()
1839            .unwrap_or_default();
1840
1841        let editor_bg = cx.theme().colors().editor_background;
1842
1843        div().pt_0p5().pb_2().child(
1844            v_flex()
1845                .rounded_lg()
1846                .border_1()
1847                .border_color(self.tool_card_border_color(cx))
1848                .child(
1849                    h_flex()
1850                        .group("disclosure-header")
1851                        .justify_between()
1852                        .py_1()
1853                        .px_2()
1854                        .bg(self.tool_card_header_bg(cx))
1855                        .map(|this| {
1856                            if pending || is_open {
1857                                this.rounded_t_md()
1858                                    .border_b_1()
1859                                    .border_color(self.tool_card_border_color(cx))
1860                            } else {
1861                                this.rounded_md()
1862                            }
1863                        })
1864                        .child(
1865                            h_flex()
1866                                .gap_1p5()
1867                                .child(
1868                                    Icon::new(IconName::Brain)
1869                                        .size(IconSize::XSmall)
1870                                        .color(Color::Muted),
1871                                )
1872                                .child({
1873                                    if pending {
1874                                        Label::new("Thinking…")
1875                                            .size(LabelSize::Small)
1876                                            .buffer_font(cx)
1877                                            .with_animation(
1878                                                "pulsating-label",
1879                                                Animation::new(Duration::from_secs(2))
1880                                                    .repeat()
1881                                                    .with_easing(pulsating_between(0.4, 0.8)),
1882                                                |label, delta| label.alpha(delta),
1883                                            )
1884                                            .into_any_element()
1885                                    } else {
1886                                        Label::new("Thought Process")
1887                                            .size(LabelSize::Small)
1888                                            .buffer_font(cx)
1889                                            .into_any_element()
1890                                    }
1891                                }),
1892                        )
1893                        .child(
1894                            h_flex()
1895                                .gap_1()
1896                                .child(
1897                                    div().visible_on_hover("disclosure-header").child(
1898                                        Disclosure::new("thinking-disclosure", is_open)
1899                                            .opened_icon(IconName::ChevronUp)
1900                                            .closed_icon(IconName::ChevronDown)
1901                                            .on_click(cx.listener({
1902                                                move |this, _event, _window, _cx| {
1903                                                    let is_open = this
1904                                                        .expanded_thinking_segments
1905                                                        .entry((message_id, ix))
1906                                                        .or_insert(false);
1907
1908                                                    *is_open = !*is_open;
1909                                                }
1910                                            })),
1911                                    ),
1912                                )
1913                                .child({
1914                                    let (icon_name, color, animated) = if pending {
1915                                        (IconName::ArrowCircle, Color::Accent, true)
1916                                    } else {
1917                                        (IconName::Check, Color::Success, false)
1918                                    };
1919
1920                                    let icon =
1921                                        Icon::new(icon_name).color(color).size(IconSize::Small);
1922
1923                                    if animated {
1924                                        icon.with_animation(
1925                                            "arrow-circle",
1926                                            Animation::new(Duration::from_secs(2)).repeat(),
1927                                            |icon, delta| {
1928                                                icon.transform(Transformation::rotate(percentage(
1929                                                    delta,
1930                                                )))
1931                                            },
1932                                        )
1933                                        .into_any_element()
1934                                    } else {
1935                                        icon.into_any_element()
1936                                    }
1937                                }),
1938                        ),
1939                )
1940                .when(pending && !is_open, |this| {
1941                    let gradient_overlay = div()
1942                        .rounded_b_lg()
1943                        .h_20()
1944                        .absolute()
1945                        .w_full()
1946                        .bottom_0()
1947                        .left_0()
1948                        .bg(linear_gradient(
1949                            180.,
1950                            linear_color_stop(editor_bg, 1.),
1951                            linear_color_stop(editor_bg.opacity(0.2), 0.),
1952                        ));
1953
1954                    this.child(
1955                        div()
1956                            .relative()
1957                            .bg(editor_bg)
1958                            .rounded_b_lg()
1959                            .child(
1960                                div()
1961                                    .id(("thinking-content", ix))
1962                                    .p_2()
1963                                    .h_20()
1964                                    .track_scroll(scroll_handle)
1965                                    .text_ui_sm(cx)
1966                                    .child(
1967                                        MarkdownElement::new(
1968                                            markdown.clone(),
1969                                            default_markdown_style(window, cx),
1970                                        )
1971                                        .on_url_click({
1972                                            let workspace = self.workspace.clone();
1973                                            move |text, window, cx| {
1974                                                open_markdown_link(
1975                                                    text,
1976                                                    workspace.clone(),
1977                                                    window,
1978                                                    cx,
1979                                                );
1980                                            }
1981                                        }),
1982                                    )
1983                                    .overflow_hidden(),
1984                            )
1985                            .child(gradient_overlay),
1986                    )
1987                })
1988                .when(is_open, |this| {
1989                    this.child(
1990                        div()
1991                            .id(("thinking-content", ix))
1992                            .h_full()
1993                            .p_2()
1994                            .rounded_b_lg()
1995                            .bg(editor_bg)
1996                            .text_ui_sm(cx)
1997                            .child(
1998                                MarkdownElement::new(
1999                                    markdown.clone(),
2000                                    default_markdown_style(window, cx),
2001                                )
2002                                .on_url_click({
2003                                    let workspace = self.workspace.clone();
2004                                    move |text, window, cx| {
2005                                        open_markdown_link(text, workspace.clone(), window, cx);
2006                                    }
2007                                }),
2008                            ),
2009                    )
2010                }),
2011        )
2012    }
2013
2014    fn render_tool_use(
2015        &self,
2016        tool_use: ToolUse,
2017        window: &mut Window,
2018        cx: &mut Context<Self>,
2019    ) -> impl IntoElement + use<> {
2020        let is_open = self
2021            .expanded_tool_uses
2022            .get(&tool_use.id)
2023            .copied()
2024            .unwrap_or_default();
2025
2026        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
2027
2028        let fs = self
2029            .workspace
2030            .upgrade()
2031            .map(|workspace| workspace.read(cx).app_state().fs.clone());
2032        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
2033
2034        let status_icons = div().child(match &tool_use.status {
2035            ToolUseStatus::Pending | ToolUseStatus::NeedsConfirmation => {
2036                let icon = Icon::new(IconName::Warning)
2037                    .color(Color::Warning)
2038                    .size(IconSize::Small);
2039                icon.into_any_element()
2040            }
2041            ToolUseStatus::Running => {
2042                let icon = Icon::new(IconName::ArrowCircle)
2043                    .color(Color::Accent)
2044                    .size(IconSize::Small);
2045                icon.with_animation(
2046                    "arrow-circle",
2047                    Animation::new(Duration::from_secs(2)).repeat(),
2048                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2049                )
2050                .into_any_element()
2051            }
2052            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
2053            ToolUseStatus::Error(_) => {
2054                let icon = Icon::new(IconName::Close)
2055                    .color(Color::Error)
2056                    .size(IconSize::Small);
2057                icon.into_any_element()
2058            }
2059        });
2060
2061        let rendered_tool_use = self.rendered_tool_uses.get(&tool_use.id).cloned();
2062        let results_content_container = || v_flex().p_2().gap_0p5();
2063
2064        let results_content = v_flex()
2065            .gap_1()
2066            .child(
2067                results_content_container()
2068                    .child(
2069                        Label::new("Input")
2070                            .size(LabelSize::XSmall)
2071                            .color(Color::Muted)
2072                            .buffer_font(cx),
2073                    )
2074                    .child(
2075                        div()
2076                            .w_full()
2077                            .text_ui_sm(cx)
2078                            .children(rendered_tool_use.as_ref().map(|rendered| {
2079                                MarkdownElement::new(
2080                                    rendered.input.clone(),
2081                                    tool_use_markdown_style(window, cx),
2082                                )
2083                                .on_url_click({
2084                                    let workspace = self.workspace.clone();
2085                                    move |text, window, cx| {
2086                                        open_markdown_link(text, workspace.clone(), window, cx);
2087                                    }
2088                                })
2089                            })),
2090                    ),
2091            )
2092            .map(|container| match tool_use.status {
2093                ToolUseStatus::Finished(_) => container.child(
2094                    results_content_container()
2095                        .border_t_1()
2096                        .border_color(self.tool_card_border_color(cx))
2097                        .child(
2098                            Label::new("Result")
2099                                .size(LabelSize::XSmall)
2100                                .color(Color::Muted)
2101                                .buffer_font(cx),
2102                        )
2103                        .child(div().w_full().text_ui_sm(cx).children(
2104                            rendered_tool_use.as_ref().map(|rendered| {
2105                                MarkdownElement::new(
2106                                    rendered.output.clone(),
2107                                    tool_use_markdown_style(window, cx),
2108                                )
2109                                .on_url_click({
2110                                    let workspace = self.workspace.clone();
2111                                    move |text, window, cx| {
2112                                        open_markdown_link(text, workspace.clone(), window, cx);
2113                                    }
2114                                })
2115                            }),
2116                        )),
2117                ),
2118                ToolUseStatus::Running => container.child(
2119                    results_content_container().child(
2120                        h_flex()
2121                            .gap_1()
2122                            .pb_1()
2123                            .border_t_1()
2124                            .border_color(self.tool_card_border_color(cx))
2125                            .child(
2126                                Icon::new(IconName::ArrowCircle)
2127                                    .size(IconSize::Small)
2128                                    .color(Color::Accent)
2129                                    .with_animation(
2130                                        "arrow-circle",
2131                                        Animation::new(Duration::from_secs(2)).repeat(),
2132                                        |icon, delta| {
2133                                            icon.transform(Transformation::rotate(percentage(
2134                                                delta,
2135                                            )))
2136                                        },
2137                                    ),
2138                            )
2139                            .child(
2140                                Label::new("Running…")
2141                                    .size(LabelSize::XSmall)
2142                                    .color(Color::Muted)
2143                                    .buffer_font(cx),
2144                            ),
2145                    ),
2146                ),
2147                ToolUseStatus::Error(_) => container.child(
2148                    results_content_container()
2149                        .border_t_1()
2150                        .border_color(self.tool_card_border_color(cx))
2151                        .child(
2152                            Label::new("Error")
2153                                .size(LabelSize::XSmall)
2154                                .color(Color::Muted)
2155                                .buffer_font(cx),
2156                        )
2157                        .child(
2158                            div()
2159                                .text_ui_sm(cx)
2160                                .children(rendered_tool_use.as_ref().map(|rendered| {
2161                                    MarkdownElement::new(
2162                                        rendered.output.clone(),
2163                                        tool_use_markdown_style(window, cx),
2164                                    )
2165                                    .on_url_click({
2166                                        let workspace = self.workspace.clone();
2167                                        move |text, window, cx| {
2168                                            open_markdown_link(text, workspace.clone(), window, cx);
2169                                        }
2170                                    })
2171                                })),
2172                        ),
2173                ),
2174                ToolUseStatus::Pending => container,
2175                ToolUseStatus::NeedsConfirmation => container.child(
2176                    results_content_container()
2177                        .border_t_1()
2178                        .border_color(self.tool_card_border_color(cx))
2179                        .child(
2180                            Label::new("Asking Permission")
2181                                .size(LabelSize::Small)
2182                                .color(Color::Muted)
2183                                .buffer_font(cx),
2184                        ),
2185                ),
2186            });
2187
2188        let gradient_overlay = |color: Hsla| {
2189            div()
2190                .h_full()
2191                .absolute()
2192                .w_12()
2193                .bottom_0()
2194                .map(|element| {
2195                    if is_status_finished {
2196                        element.right_6()
2197                    } else {
2198                        element.right(px(44.))
2199                    }
2200                })
2201                .bg(linear_gradient(
2202                    90.,
2203                    linear_color_stop(color, 1.),
2204                    linear_color_stop(color.opacity(0.2), 0.),
2205                ))
2206        };
2207
2208        div().map(|element| {
2209            if !tool_use.needs_confirmation {
2210                element.child(
2211                    v_flex()
2212                        .my_1p5()
2213                        .child(
2214                            h_flex()
2215                                .group("disclosure-header")
2216                                .relative()
2217                                .gap_1p5()
2218                                .justify_between()
2219                                .opacity(0.8)
2220                                .hover(|style| style.opacity(1.))
2221                                .when(!is_status_finished, |this| this.pr_2())
2222                                .child(
2223                                    h_flex()
2224                                        .id("tool-label-container")
2225                                        .gap_1p5()
2226                                        .max_w_full()
2227                                        .overflow_x_scroll()
2228                                        .child(
2229                                            Icon::new(tool_use.icon)
2230                                                .size(IconSize::XSmall)
2231                                                .color(Color::Muted),
2232                                        )
2233                                        .child(
2234                                            h_flex().pr_8().text_ui_sm(cx).children(
2235                                                rendered_tool_use.map(|rendered| MarkdownElement::new(rendered.label, tool_use_markdown_style(window, cx)).on_url_click({let workspace = self.workspace.clone(); move |text, window, cx| {
2236                                                    open_markdown_link(text, workspace.clone(), window, cx);
2237                                                }}))
2238                                            ),
2239                                        ),
2240                                )
2241                                .child(
2242                                    h_flex()
2243                                        .gap_1()
2244                                        .child(
2245                                            div().visible_on_hover("disclosure-header").child(
2246                                                Disclosure::new("tool-use-disclosure", is_open)
2247                                                    .opened_icon(IconName::ChevronUp)
2248                                                    .closed_icon(IconName::ChevronDown)
2249                                                    .on_click(cx.listener({
2250                                                        let tool_use_id = tool_use.id.clone();
2251                                                        move |this, _event, _window, _cx| {
2252                                                            let is_open = this
2253                                                                .expanded_tool_uses
2254                                                                .entry(tool_use_id.clone())
2255                                                                .or_insert(false);
2256
2257                                                            *is_open = !*is_open;
2258                                                        }
2259                                                    })),
2260                                            ),
2261                                        )
2262                                        .child(status_icons),
2263                                )
2264                                .child(gradient_overlay(cx.theme().colors().panel_background)),
2265                        )
2266                        .map(|parent| {
2267                            if !is_open {
2268                                return parent;
2269                            }
2270
2271                            parent.child(
2272                                v_flex()
2273                                    .mt_1()
2274                                    .border_1()
2275                                    .border_color(self.tool_card_border_color(cx))
2276                                    .bg(cx.theme().colors().editor_background)
2277                                    .rounded_lg()
2278                                    .child(results_content),
2279                            )
2280                        }),
2281                )
2282            } else {
2283                v_flex()
2284                    .my_3()
2285                    .rounded_lg()
2286                    .border_1()
2287                    .border_color(self.tool_card_border_color(cx))
2288                    .overflow_hidden()
2289                    .child(
2290                        h_flex()
2291                            .group("disclosure-header")
2292                            .relative()
2293                            .justify_between()
2294                            .py_1()
2295                            .map(|element| {
2296                                if is_status_finished {
2297                                    element.pl_2().pr_0p5()
2298                                } else {
2299                                    element.px_2()
2300                                }
2301                            })
2302                            .bg(self.tool_card_header_bg(cx))
2303                            .map(|element| {
2304                                if is_open {
2305                                    element.border_b_1().rounded_t_md()
2306                                } else if needs_confirmation {
2307                                    element.rounded_t_md()
2308                                } else {
2309                                    element.rounded_md()
2310                                }
2311                            })
2312                            .border_color(self.tool_card_border_color(cx))
2313                            .child(
2314                                h_flex()
2315                                    .id("tool-label-container")
2316                                    .gap_1p5()
2317                                    .max_w_full()
2318                                    .overflow_x_scroll()
2319                                    .child(
2320                                        Icon::new(tool_use.icon)
2321                                            .size(IconSize::XSmall)
2322                                            .color(Color::Muted),
2323                                    )
2324                                    .child(
2325                                        h_flex().pr_8().text_ui_sm(cx).children(
2326                                            rendered_tool_use.map(|rendered| MarkdownElement::new(rendered.label, tool_use_markdown_style(window, cx)).on_url_click({let workspace = self.workspace.clone(); move |text, window, cx| {
2327                                                open_markdown_link(text, workspace.clone(), window, cx);
2328                                            }}))
2329                                        ),
2330                                    ),
2331                            )
2332                            .child(
2333                                h_flex()
2334                                    .gap_1()
2335                                    .child(
2336                                        div().visible_on_hover("disclosure-header").child(
2337                                            Disclosure::new("tool-use-disclosure", is_open)
2338                                                .opened_icon(IconName::ChevronUp)
2339                                                .closed_icon(IconName::ChevronDown)
2340                                                .on_click(cx.listener({
2341                                                    let tool_use_id = tool_use.id.clone();
2342                                                    move |this, _event, _window, _cx| {
2343                                                        let is_open = this
2344                                                            .expanded_tool_uses
2345                                                            .entry(tool_use_id.clone())
2346                                                            .or_insert(false);
2347
2348                                                        *is_open = !*is_open;
2349                                                    }
2350                                                })),
2351                                        ),
2352                                    )
2353                                    .child(status_icons),
2354                            )
2355                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
2356                    )
2357                    .map(|parent| {
2358                        if !is_open {
2359                            return parent;
2360                        }
2361
2362                        parent.child(
2363                            v_flex()
2364                                .bg(cx.theme().colors().editor_background)
2365                                .map(|element| {
2366                                    if  needs_confirmation {
2367                                        element.rounded_none()
2368                                    } else {
2369                                        element.rounded_b_lg()
2370                                    }
2371                                })
2372                                .child(results_content),
2373                        )
2374                    })
2375                    .when(needs_confirmation, |this| {
2376                        this.child(
2377                            h_flex()
2378                                .py_1()
2379                                .pl_2()
2380                                .pr_1()
2381                                .gap_1()
2382                                .justify_between()
2383                                .bg(cx.theme().colors().editor_background)
2384                                .border_t_1()
2385                                .border_color(self.tool_card_border_color(cx))
2386                                .rounded_b_lg()
2387                                .child(
2388                                    Label::new("Waiting for Confirmation…")
2389                                        .color(Color::Muted)
2390                                        .size(LabelSize::Small)
2391                                        .with_animation(
2392                                            "generating-label",
2393                                            Animation::new(Duration::from_secs(1)).repeat(),
2394                                            |mut label, delta| {
2395                                                let text = match delta {
2396                                                    d if d < 0.25 => "Waiting for Confirmation",
2397                                                    d if d < 0.5 => "Waiting for Confirmation.",
2398                                                    d if d < 0.75 => "Waiting for Confirmation..",
2399                                                    _ => "Waiting for Confirmation...",
2400                                                };
2401                                                label.set_text(text);
2402                                                label
2403                                            },
2404                                        )
2405                                        .with_animation(
2406                                            "pulsating-label",
2407                                            Animation::new(Duration::from_secs(2))
2408                                                .repeat()
2409                                                .with_easing(pulsating_between(0.6, 1.)),
2410                                            |label, delta| label.map_element(|label| label.alpha(delta)),
2411                                        ),
2412                                )
2413                                .child(
2414                                    h_flex()
2415                                        .gap_0p5()
2416                                        .child({
2417                                            let tool_id = tool_use.id.clone();
2418                                            Button::new(
2419                                                "always-allow-tool-action",
2420                                                "Always Allow",
2421                                            )
2422                                            .label_size(LabelSize::Small)
2423                                            .icon(IconName::CheckDouble)
2424                                            .icon_position(IconPosition::Start)
2425                                            .icon_size(IconSize::Small)
2426                                            .icon_color(Color::Success)
2427                                            .tooltip(move |window, cx|  {
2428                                                Tooltip::with_meta(
2429                                                    "Never ask for permission",
2430                                                    None,
2431                                                    "Restore the original behavior in your Agent Panel settings",
2432                                                    window,
2433                                                    cx,
2434                                                )
2435                                            })
2436                                            .on_click(cx.listener(
2437                                                move |this, event, window, cx| {
2438                                                    if let Some(fs) = fs.clone() {
2439                                                        update_settings_file::<AssistantSettings>(
2440                                                            fs.clone(),
2441                                                            cx,
2442                                                            |settings, _| {
2443                                                                settings.set_always_allow_tool_actions(true);
2444                                                            },
2445                                                        );
2446                                                    }
2447                                                    this.handle_allow_tool(
2448                                                        tool_id.clone(),
2449                                                        event,
2450                                                        window,
2451                                                        cx,
2452                                                    )
2453                                                },
2454                                            ))
2455                                        })
2456                                        .child(ui::Divider::vertical())
2457                                        .child({
2458                                            let tool_id = tool_use.id.clone();
2459                                            Button::new("allow-tool-action", "Allow")
2460                                                .label_size(LabelSize::Small)
2461                                                .icon(IconName::Check)
2462                                                .icon_position(IconPosition::Start)
2463                                                .icon_size(IconSize::Small)
2464                                                .icon_color(Color::Success)
2465                                                .on_click(cx.listener(
2466                                                    move |this, event, window, cx| {
2467                                                        this.handle_allow_tool(
2468                                                            tool_id.clone(),
2469                                                            event,
2470                                                            window,
2471                                                            cx,
2472                                                        )
2473                                                    },
2474                                                ))
2475                                        })
2476                                        .child({
2477                                            let tool_id = tool_use.id.clone();
2478                                            let tool_name: Arc<str> = tool_use.name.into();
2479                                            Button::new("deny-tool", "Deny")
2480                                                .label_size(LabelSize::Small)
2481                                                .icon(IconName::Close)
2482                                                .icon_position(IconPosition::Start)
2483                                                .icon_size(IconSize::Small)
2484                                                .icon_color(Color::Error)
2485                                                .on_click(cx.listener(
2486                                                    move |this, event, window, cx| {
2487                                                        this.handle_deny_tool(
2488                                                            tool_id.clone(),
2489                                                            tool_name.clone(),
2490                                                            event,
2491                                                            window,
2492                                                            cx,
2493                                                        )
2494                                                    },
2495                                                ))
2496                                        }),
2497                                ),
2498                        )
2499                    })
2500            }
2501        })
2502    }
2503
2504    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
2505        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2506        else {
2507            return div().into_any();
2508        };
2509
2510        let rules_files = system_prompt_context
2511            .worktrees
2512            .iter()
2513            .filter_map(|worktree| worktree.rules_file.as_ref())
2514            .collect::<Vec<_>>();
2515
2516        let label_text = match rules_files.as_slice() {
2517            &[] => return div().into_any(),
2518            &[rules_file] => {
2519                format!("Using {:?} file", rules_file.rel_path)
2520            }
2521            rules_files => {
2522                format!("Using {} rules files", rules_files.len())
2523            }
2524        };
2525
2526        div()
2527            .pt_2()
2528            .px_2p5()
2529            .child(
2530                h_flex()
2531                    .w_full()
2532                    .gap_0p5()
2533                    .child(
2534                        h_flex()
2535                            .gap_1p5()
2536                            .child(
2537                                Icon::new(IconName::File)
2538                                    .size(IconSize::XSmall)
2539                                    .color(Color::Disabled),
2540                            )
2541                            .child(
2542                                Label::new(label_text)
2543                                    .size(LabelSize::XSmall)
2544                                    .color(Color::Muted)
2545                                    .buffer_font(cx),
2546                            ),
2547                    )
2548                    .child(
2549                        IconButton::new("open-rule", IconName::ArrowUpRightAlt)
2550                            .shape(ui::IconButtonShape::Square)
2551                            .icon_size(IconSize::XSmall)
2552                            .icon_color(Color::Ignored)
2553                            .on_click(cx.listener(Self::handle_open_rules))
2554                            .tooltip(Tooltip::text("View Rules")),
2555                    ),
2556            )
2557            .into_any()
2558    }
2559
2560    fn handle_allow_tool(
2561        &mut self,
2562        tool_use_id: LanguageModelToolUseId,
2563        _: &ClickEvent,
2564        _window: &mut Window,
2565        cx: &mut Context<Self>,
2566    ) {
2567        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
2568            .thread
2569            .read(cx)
2570            .pending_tool(&tool_use_id)
2571            .map(|tool_use| tool_use.status.clone())
2572        {
2573            self.thread.update(cx, |thread, cx| {
2574                thread.run_tool(
2575                    c.tool_use_id.clone(),
2576                    c.ui_text.clone(),
2577                    c.input.clone(),
2578                    &c.messages,
2579                    c.tool.clone(),
2580                    cx,
2581                );
2582            });
2583        }
2584    }
2585
2586    fn handle_deny_tool(
2587        &mut self,
2588        tool_use_id: LanguageModelToolUseId,
2589        tool_name: Arc<str>,
2590        _: &ClickEvent,
2591        _window: &mut Window,
2592        cx: &mut Context<Self>,
2593    ) {
2594        self.thread.update(cx, |thread, cx| {
2595            thread.deny_tool_use(tool_use_id, tool_name, cx);
2596        });
2597    }
2598
2599    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
2600        let Some(system_prompt_context) = self.thread.read(cx).system_prompt_context().as_ref()
2601        else {
2602            return;
2603        };
2604
2605        let abs_paths = system_prompt_context
2606            .worktrees
2607            .iter()
2608            .flat_map(|worktree| worktree.rules_file.as_ref())
2609            .map(|rules_file| rules_file.abs_path.to_path_buf())
2610            .collect::<Vec<_>>();
2611
2612        if let Ok(task) = self.workspace.update(cx, move |workspace, cx| {
2613            // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
2614            // files clear. For example, if rules file 1 is already open but rules file 2 is not,
2615            // this would open and focus rules file 2 in a tab that is not next to rules file 1.
2616            workspace.open_paths(abs_paths, OpenOptions::default(), None, window, cx)
2617        }) {
2618            task.detach();
2619        }
2620    }
2621
2622    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
2623        for window in self.notifications.drain(..) {
2624            window
2625                .update(cx, |_, window, _| {
2626                    window.remove_window();
2627                })
2628                .ok();
2629
2630            self.notification_subscriptions.remove(&window);
2631        }
2632    }
2633
2634    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
2635        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
2636            return None;
2637        }
2638
2639        Some(
2640            div()
2641                .occlude()
2642                .id("active-thread-scrollbar")
2643                .on_mouse_move(cx.listener(|_, _, _, cx| {
2644                    cx.notify();
2645                    cx.stop_propagation()
2646                }))
2647                .on_hover(|_, _, cx| {
2648                    cx.stop_propagation();
2649                })
2650                .on_any_mouse_down(|_, _, cx| {
2651                    cx.stop_propagation();
2652                })
2653                .on_mouse_up(
2654                    MouseButton::Left,
2655                    cx.listener(|_, _, _, cx| {
2656                        cx.stop_propagation();
2657                    }),
2658                )
2659                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
2660                    cx.notify();
2661                }))
2662                .h_full()
2663                .absolute()
2664                .right_1()
2665                .top_1()
2666                .bottom_0()
2667                .w(px(12.))
2668                .cursor_default()
2669                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
2670        )
2671    }
2672
2673    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
2674        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
2675        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
2676            cx.background_executor()
2677                .timer(SCROLLBAR_SHOW_INTERVAL)
2678                .await;
2679            thread
2680                .update(cx, |thread, cx| {
2681                    if !thread.scrollbar_state.is_dragging() {
2682                        thread.show_scrollbar = false;
2683                        cx.notify();
2684                    }
2685                })
2686                .log_err();
2687        }))
2688    }
2689}
2690
2691impl Render for ActiveThread {
2692    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2693        v_flex()
2694            .size_full()
2695            .relative()
2696            .on_mouse_move(cx.listener(|this, _, _, cx| {
2697                this.show_scrollbar = true;
2698                this.hide_scrollbar_later(cx);
2699                cx.notify();
2700            }))
2701            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
2702                this.show_scrollbar = true;
2703                this.hide_scrollbar_later(cx);
2704                cx.notify();
2705            }))
2706            .on_mouse_up(
2707                MouseButton::Left,
2708                cx.listener(|this, _, _, cx| {
2709                    this.hide_scrollbar_later(cx);
2710                }),
2711            )
2712            .child(list(self.list_state.clone()).flex_grow())
2713            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
2714                this.child(scrollbar)
2715            })
2716    }
2717}
2718
2719pub(crate) fn open_context(
2720    id: ContextId,
2721    context_store: Entity<ContextStore>,
2722    workspace: Entity<Workspace>,
2723    window: &mut Window,
2724    cx: &mut App,
2725) {
2726    let Some(context) = context_store.read(cx).context_for_id(id) else {
2727        return;
2728    };
2729
2730    match context {
2731        AssistantContext::File(file_context) => {
2732            if let Some(project_path) = file_context.context_buffer.buffer.read(cx).project_path(cx)
2733            {
2734                workspace.update(cx, |workspace, cx| {
2735                    workspace
2736                        .open_path(project_path, None, true, window, cx)
2737                        .detach_and_log_err(cx);
2738                });
2739            }
2740        }
2741        AssistantContext::Directory(directory_context) => {
2742            let path = directory_context.project_path.clone();
2743            workspace.update(cx, |workspace, cx| {
2744                workspace.project().update(cx, |project, cx| {
2745                    if let Some(entry) = project.entry_for_path(&path, cx) {
2746                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
2747                    }
2748                })
2749            })
2750        }
2751        AssistantContext::Symbol(symbol_context) => {
2752            if let Some(project_path) = symbol_context
2753                .context_symbol
2754                .buffer
2755                .read(cx)
2756                .project_path(cx)
2757            {
2758                let snapshot = symbol_context.context_symbol.buffer.read(cx).snapshot();
2759                let target_position = symbol_context
2760                    .context_symbol
2761                    .id
2762                    .range
2763                    .start
2764                    .to_point(&snapshot);
2765
2766                let open_task = workspace.update(cx, |workspace, cx| {
2767                    workspace.open_path(project_path, None, true, window, cx)
2768                });
2769                window
2770                    .spawn(cx, async move |cx| {
2771                        if let Some(active_editor) = open_task
2772                            .await
2773                            .log_err()
2774                            .and_then(|item| item.downcast::<Editor>())
2775                        {
2776                            active_editor
2777                                .downgrade()
2778                                .update_in(cx, |editor, window, cx| {
2779                                    editor.go_to_singleton_buffer_point(
2780                                        target_position,
2781                                        window,
2782                                        cx,
2783                                    );
2784                                })
2785                                .log_err();
2786                        }
2787                    })
2788                    .detach();
2789            }
2790        }
2791        AssistantContext::FetchedUrl(fetched_url_context) => {
2792            cx.open_url(&fetched_url_context.url);
2793        }
2794        AssistantContext::Thread(thread_context) => {
2795            let thread_id = thread_context.thread.read(cx).id().clone();
2796            workspace.update(cx, |workspace, cx| {
2797                if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
2798                    panel.update(cx, |panel, cx| {
2799                        panel
2800                            .open_thread(&thread_id, window, cx)
2801                            .detach_and_log_err(cx)
2802                    });
2803                }
2804            })
2805        }
2806    }
2807}