active_thread.rs

   1use crate::AgentPanel;
   2use crate::context::{AgentContextHandle, RULES_ICON};
   3use crate::context_picker::{ContextPicker, MentionLink};
   4use crate::context_store::ContextStore;
   5use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
   6use crate::message_editor::insert_message_creases;
   7use crate::thread::{
   8    LastRestoreCheckpoint, MessageCrease, MessageId, MessageSegment, Thread, ThreadError,
   9    ThreadEvent, ThreadFeedback, ThreadSummary,
  10};
  11use crate::thread_store::{RulesLoadingError, TextThreadStore, ThreadStore};
  12use crate::tool_use::{PendingToolUseStatus, ToolUse};
  13use crate::ui::{
  14    AddedContext, AgentNotification, AgentNotificationEvent, AnimatedLabel, ContextPill,
  15};
  16use anyhow::Context as _;
  17use assistant_settings::{AssistantSettings, NotifyWhenAgentWaiting};
  18use assistant_tool::ToolUseStatus;
  19use collections::{HashMap, HashSet};
  20use editor::actions::{MoveUp, Paste};
  21use editor::scroll::Autoscroll;
  22use editor::{Editor, EditorElement, EditorEvent, EditorStyle, MultiBuffer};
  23use gpui::{
  24    AbsoluteLength, Animation, AnimationExt, AnyElement, App, ClickEvent, ClipboardEntry,
  25    ClipboardItem, DefiniteLength, EdgesRefinement, Empty, Entity, EventEmitter, Focusable, Hsla,
  26    ListAlignment, ListState, MouseButton, PlatformDisplay, ScrollHandle, Stateful,
  27    StyleRefinement, Subscription, Task, TextStyle, TextStyleRefinement, Transformation,
  28    UnderlineStyle, WeakEntity, WindowHandle, linear_color_stop, linear_gradient, list, percentage,
  29    pulsating_between,
  30};
  31use language::{Buffer, Language, LanguageRegistry};
  32use language_model::{
  33    LanguageModelRequestMessage, LanguageModelToolUseId, MessageContent, Role, StopReason,
  34};
  35use markdown::parser::{CodeBlockKind, CodeBlockMetadata};
  36use markdown::{
  37    HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle, ParsedMarkdown, PathWithRange,
  38};
  39use project::{ProjectEntryId, ProjectItem as _};
  40use rope::Point;
  41use settings::{Settings as _, SettingsStore, update_settings_file};
  42use std::ffi::OsStr;
  43use std::path::Path;
  44use std::rc::Rc;
  45use std::sync::Arc;
  46use std::time::Duration;
  47use text::ToPoint;
  48use theme::ThemeSettings;
  49use ui::{
  50    Disclosure, IconButton, KeyBinding, PopoverMenuHandle, Scrollbar, ScrollbarState, TextSize,
  51    Tooltip, prelude::*,
  52};
  53use util::ResultExt as _;
  54use util::markdown::MarkdownCodeBlock;
  55use workspace::Workspace;
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58pub struct ActiveThread {
  59    context_store: Entity<ContextStore>,
  60    language_registry: Arc<LanguageRegistry>,
  61    thread_store: Entity<ThreadStore>,
  62    text_thread_store: Entity<TextThreadStore>,
  63    thread: Entity<Thread>,
  64    workspace: WeakEntity<Workspace>,
  65    save_thread_task: Option<Task<()>>,
  66    messages: Vec<MessageId>,
  67    list_state: ListState,
  68    scrollbar_state: ScrollbarState,
  69    show_scrollbar: bool,
  70    hide_scrollbar_task: Option<Task<()>>,
  71    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  72    rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
  73    editing_message: Option<(MessageId, EditingMessageState)>,
  74    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  75    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  76    expanded_code_blocks: HashMap<(MessageId, usize), bool>,
  77    last_error: Option<ThreadError>,
  78    notifications: Vec<WindowHandle<AgentNotification>>,
  79    copied_code_block_ids: HashSet<(MessageId, usize)>,
  80    _subscriptions: Vec<Subscription>,
  81    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  82    open_feedback_editors: HashMap<MessageId, Entity<Editor>>,
  83    _load_edited_message_context_task: Option<Task<()>>,
  84}
  85
  86struct RenderedMessage {
  87    language_registry: Arc<LanguageRegistry>,
  88    segments: Vec<RenderedMessageSegment>,
  89}
  90
  91#[derive(Clone)]
  92struct RenderedToolUse {
  93    label: Entity<Markdown>,
  94    input: Entity<Markdown>,
  95    output: Entity<Markdown>,
  96}
  97
  98impl RenderedMessage {
  99    fn from_segments(
 100        segments: &[MessageSegment],
 101        language_registry: Arc<LanguageRegistry>,
 102        cx: &mut App,
 103    ) -> Self {
 104        let mut this = Self {
 105            language_registry,
 106            segments: Vec::with_capacity(segments.len()),
 107        };
 108        for segment in segments {
 109            this.push_segment(segment, cx);
 110        }
 111        this
 112    }
 113
 114    fn append_thinking(&mut self, text: &String, cx: &mut App) {
 115        if let Some(RenderedMessageSegment::Thinking {
 116            content,
 117            scroll_handle,
 118        }) = self.segments.last_mut()
 119        {
 120            content.update(cx, |markdown, cx| {
 121                markdown.append(text, cx);
 122            });
 123            scroll_handle.scroll_to_bottom();
 124        } else {
 125            self.segments.push(RenderedMessageSegment::Thinking {
 126                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 127                scroll_handle: ScrollHandle::default(),
 128            });
 129        }
 130    }
 131
 132    fn append_text(&mut self, text: &String, cx: &mut App) {
 133        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 134            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 135        } else {
 136            self.segments
 137                .push(RenderedMessageSegment::Text(parse_markdown(
 138                    SharedString::from(text),
 139                    self.language_registry.clone(),
 140                    cx,
 141                )));
 142        }
 143    }
 144
 145    fn push_segment(&mut self, segment: &MessageSegment, cx: &mut App) {
 146        match segment {
 147            MessageSegment::Thinking { text, .. } => {
 148                self.segments.push(RenderedMessageSegment::Thinking {
 149                    content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 150                    scroll_handle: ScrollHandle::default(),
 151                })
 152            }
 153            MessageSegment::Text(text) => {
 154                self.segments
 155                    .push(RenderedMessageSegment::Text(parse_markdown(
 156                        text.into(),
 157                        self.language_registry.clone(),
 158                        cx,
 159                    )))
 160            }
 161            MessageSegment::RedactedThinking(_) => {}
 162        };
 163    }
 164}
 165
 166enum RenderedMessageSegment {
 167    Thinking {
 168        content: Entity<Markdown>,
 169        scroll_handle: ScrollHandle,
 170    },
 171    Text(Entity<Markdown>),
 172}
 173
 174fn parse_markdown(
 175    text: SharedString,
 176    language_registry: Arc<LanguageRegistry>,
 177    cx: &mut App,
 178) -> Entity<Markdown> {
 179    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 180}
 181
 182pub(crate) fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 183    let theme_settings = ThemeSettings::get_global(cx);
 184    let colors = cx.theme().colors();
 185    let ui_font_size = TextSize::Default.rems(cx);
 186    let buffer_font_size = TextSize::Small.rems(cx);
 187    let mut text_style = window.text_style();
 188    let line_height = buffer_font_size * 1.75;
 189
 190    text_style.refine(&TextStyleRefinement {
 191        font_family: Some(theme_settings.ui_font.family.clone()),
 192        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 193        font_features: Some(theme_settings.ui_font.features.clone()),
 194        font_size: Some(ui_font_size.into()),
 195        line_height: Some(line_height.into()),
 196        color: Some(cx.theme().colors().text),
 197        ..Default::default()
 198    });
 199
 200    MarkdownStyle {
 201        base_text_style: text_style.clone(),
 202        syntax: cx.theme().syntax().clone(),
 203        selection_background_color: cx.theme().players().local().selection,
 204        code_block_overflow_x_scroll: true,
 205        table_overflow_x_scroll: true,
 206        heading_level_styles: Some(HeadingLevelStyles {
 207            h1: Some(TextStyleRefinement {
 208                font_size: Some(rems(1.15).into()),
 209                ..Default::default()
 210            }),
 211            h2: Some(TextStyleRefinement {
 212                font_size: Some(rems(1.1).into()),
 213                ..Default::default()
 214            }),
 215            h3: Some(TextStyleRefinement {
 216                font_size: Some(rems(1.05).into()),
 217                ..Default::default()
 218            }),
 219            h4: Some(TextStyleRefinement {
 220                font_size: Some(rems(1.).into()),
 221                ..Default::default()
 222            }),
 223            h5: Some(TextStyleRefinement {
 224                font_size: Some(rems(0.95).into()),
 225                ..Default::default()
 226            }),
 227            h6: Some(TextStyleRefinement {
 228                font_size: Some(rems(0.875).into()),
 229                ..Default::default()
 230            }),
 231        }),
 232        code_block: StyleRefinement {
 233            padding: EdgesRefinement {
 234                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 235                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 236                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 237                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 238            },
 239            background: Some(colors.editor_background.into()),
 240            text: Some(TextStyleRefinement {
 241                font_family: Some(theme_settings.buffer_font.family.clone()),
 242                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 243                font_features: Some(theme_settings.buffer_font.features.clone()),
 244                font_size: Some(buffer_font_size.into()),
 245                ..Default::default()
 246            }),
 247            ..Default::default()
 248        },
 249        inline_code: TextStyleRefinement {
 250            font_family: Some(theme_settings.buffer_font.family.clone()),
 251            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 252            font_features: Some(theme_settings.buffer_font.features.clone()),
 253            font_size: Some(buffer_font_size.into()),
 254            background_color: Some(colors.editor_foreground.opacity(0.08)),
 255            ..Default::default()
 256        },
 257        link: TextStyleRefinement {
 258            background_color: Some(colors.editor_foreground.opacity(0.025)),
 259            underline: Some(UnderlineStyle {
 260                color: Some(colors.text_accent.opacity(0.5)),
 261                thickness: px(1.),
 262                ..Default::default()
 263            }),
 264            ..Default::default()
 265        },
 266        link_callback: Some(Rc::new(move |url, cx| {
 267            if MentionLink::is_valid(url) {
 268                let colors = cx.theme().colors();
 269                Some(TextStyleRefinement {
 270                    background_color: Some(colors.element_background),
 271                    ..Default::default()
 272                })
 273            } else {
 274                None
 275            }
 276        })),
 277        ..Default::default()
 278    }
 279}
 280
 281fn tool_use_markdown_style(window: &Window, cx: &mut App) -> MarkdownStyle {
 282    let theme_settings = ThemeSettings::get_global(cx);
 283    let colors = cx.theme().colors();
 284    let ui_font_size = TextSize::Default.rems(cx);
 285    let buffer_font_size = TextSize::Small.rems(cx);
 286    let mut text_style = window.text_style();
 287
 288    text_style.refine(&TextStyleRefinement {
 289        font_family: Some(theme_settings.ui_font.family.clone()),
 290        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 291        font_features: Some(theme_settings.ui_font.features.clone()),
 292        font_size: Some(ui_font_size.into()),
 293        color: Some(cx.theme().colors().text),
 294        ..Default::default()
 295    });
 296
 297    MarkdownStyle {
 298        base_text_style: text_style,
 299        syntax: cx.theme().syntax().clone(),
 300        selection_background_color: cx.theme().players().local().selection,
 301        code_block_overflow_x_scroll: true,
 302        code_block: StyleRefinement {
 303            margin: EdgesRefinement::default(),
 304            padding: EdgesRefinement::default(),
 305            background: Some(colors.editor_background.into()),
 306            border_color: None,
 307            border_widths: EdgesRefinement::default(),
 308            text: Some(TextStyleRefinement {
 309                font_family: Some(theme_settings.buffer_font.family.clone()),
 310                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 311                font_features: Some(theme_settings.buffer_font.features.clone()),
 312                font_size: Some(buffer_font_size.into()),
 313                ..Default::default()
 314            }),
 315            ..Default::default()
 316        },
 317        inline_code: TextStyleRefinement {
 318            font_family: Some(theme_settings.buffer_font.family.clone()),
 319            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 320            font_features: Some(theme_settings.buffer_font.features.clone()),
 321            font_size: Some(TextSize::XSmall.rems(cx).into()),
 322            ..Default::default()
 323        },
 324        heading: StyleRefinement {
 325            text: Some(TextStyleRefinement {
 326                font_size: Some(ui_font_size.into()),
 327                ..Default::default()
 328            }),
 329            ..Default::default()
 330        },
 331        ..Default::default()
 332    }
 333}
 334
 335const CODEBLOCK_CONTAINER_GROUP: &str = "codeblock_container";
 336
 337fn render_markdown_code_block(
 338    message_id: MessageId,
 339    ix: usize,
 340    kind: &CodeBlockKind,
 341    parsed_markdown: &ParsedMarkdown,
 342    metadata: CodeBlockMetadata,
 343    active_thread: Entity<ActiveThread>,
 344    workspace: WeakEntity<Workspace>,
 345    _window: &Window,
 346    cx: &App,
 347) -> Div {
 348    let label_size = rems(0.8125);
 349
 350    let label = match kind {
 351        CodeBlockKind::Indented => None,
 352        CodeBlockKind::Fenced => Some(
 353            h_flex()
 354                .px_1()
 355                .gap_1()
 356                .child(
 357                    Icon::new(IconName::Code)
 358                        .color(Color::Muted)
 359                        .size(IconSize::XSmall),
 360                )
 361                .child(div().text_size(label_size).child("Plain Text"))
 362                .into_any_element(),
 363        ),
 364        CodeBlockKind::FencedLang(raw_language_name) => Some(render_code_language(
 365            parsed_markdown.languages_by_name.get(raw_language_name),
 366            raw_language_name.clone(),
 367            cx,
 368        )),
 369        CodeBlockKind::FencedSrc(path_range) => path_range.path.file_name().map(|file_name| {
 370            // We tell the model to use /dev/null for the path instead of using ```language
 371            // because otherwise it consistently fails to use code citations.
 372            if path_range.path.starts_with("/dev/null") {
 373                let ext = path_range
 374                    .path
 375                    .extension()
 376                    .and_then(OsStr::to_str)
 377                    .map(|str| SharedString::new(str.to_string()))
 378                    .unwrap_or_default();
 379
 380                render_code_language(
 381                    parsed_markdown
 382                        .languages_by_path
 383                        .get(&path_range.path)
 384                        .or_else(|| parsed_markdown.languages_by_name.get(&ext)),
 385                    ext,
 386                    cx,
 387                )
 388            } else {
 389                let content = if let Some(parent) = path_range.path.parent() {
 390                    let file_name = file_name.to_string_lossy().to_string();
 391                    let path = parent.to_string_lossy().to_string();
 392                    let path_and_file = format!("{}/{}", path, file_name);
 393
 394                    h_flex()
 395                        .id(("code-block-header-label", ix))
 396                        .ml_1()
 397                        .gap_1()
 398                        .child(div().text_size(label_size).child(file_name))
 399                        .child(Label::new(path).color(Color::Muted).size(LabelSize::Small))
 400                        .tooltip(move |window, cx| {
 401                            Tooltip::with_meta(
 402                                "Jump to File",
 403                                None,
 404                                path_and_file.clone(),
 405                                window,
 406                                cx,
 407                            )
 408                        })
 409                        .into_any_element()
 410                } else {
 411                    div()
 412                        .ml_1()
 413                        .text_size(label_size)
 414                        .child(path_range.path.to_string_lossy().to_string())
 415                        .into_any_element()
 416                };
 417
 418                h_flex()
 419                    .id(("code-block-header-button", ix))
 420                    .w_full()
 421                    .max_w_full()
 422                    .px_1()
 423                    .gap_0p5()
 424                    .cursor_pointer()
 425                    .rounded_sm()
 426                    .hover(|item| item.bg(cx.theme().colors().element_hover.opacity(0.5)))
 427                    .child(
 428                        h_flex()
 429                            .gap_0p5()
 430                            .children(
 431                                file_icons::FileIcons::get_icon(&path_range.path, cx)
 432                                    .map(Icon::from_path)
 433                                    .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
 434                            )
 435                            .child(content)
 436                            .child(
 437                                Icon::new(IconName::ArrowUpRight)
 438                                    .size(IconSize::XSmall)
 439                                    .color(Color::Ignored),
 440                            ),
 441                    )
 442                    .on_click({
 443                        let path_range = path_range.clone();
 444                        move |_, window, cx| {
 445                            workspace
 446                                .update(cx, |workspace, cx| {
 447                                    open_path(&path_range, window, workspace, cx)
 448                                })
 449                                .ok();
 450                        }
 451                    })
 452                    .into_any_element()
 453            }
 454        }),
 455    };
 456
 457    let codeblock_was_copied = active_thread
 458        .read(cx)
 459        .copied_code_block_ids
 460        .contains(&(message_id, ix));
 461
 462    let is_expanded = active_thread.read(cx).is_codeblock_expanded(message_id, ix);
 463
 464    let codeblock_header_bg = cx
 465        .theme()
 466        .colors()
 467        .element_background
 468        .blend(cx.theme().colors().editor_foreground.opacity(0.025));
 469
 470    let control_buttons = h_flex()
 471        .visible_on_hover(CODEBLOCK_CONTAINER_GROUP)
 472        .absolute()
 473        .top_0()
 474        .right_0()
 475        .h_full()
 476        .bg(codeblock_header_bg)
 477        .rounded_tr_md()
 478        .px_1()
 479        .gap_1()
 480        .child(
 481            IconButton::new(
 482                ("copy-markdown-code", ix),
 483                if codeblock_was_copied {
 484                    IconName::Check
 485                } else {
 486                    IconName::Copy
 487                },
 488            )
 489            .icon_color(Color::Muted)
 490            .shape(ui::IconButtonShape::Square)
 491            .tooltip(Tooltip::text("Copy Code"))
 492            .on_click({
 493                let active_thread = active_thread.clone();
 494                let parsed_markdown = parsed_markdown.clone();
 495                let code_block_range = metadata.content_range.clone();
 496                move |_event, _window, cx| {
 497                    active_thread.update(cx, |this, cx| {
 498                        this.copied_code_block_ids.insert((message_id, ix));
 499
 500                        let code = parsed_markdown.source()[code_block_range.clone()].to_string();
 501                        cx.write_to_clipboard(ClipboardItem::new_string(code));
 502
 503                        cx.spawn(async move |this, cx| {
 504                            cx.background_executor().timer(Duration::from_secs(2)).await;
 505
 506                            cx.update(|cx| {
 507                                this.update(cx, |this, cx| {
 508                                    this.copied_code_block_ids.remove(&(message_id, ix));
 509                                    cx.notify();
 510                                })
 511                            })
 512                            .ok();
 513                        })
 514                        .detach();
 515                    });
 516                }
 517            }),
 518        )
 519        .child(
 520            IconButton::new(
 521                ("expand-collapse-code", ix),
 522                if is_expanded {
 523                    IconName::ChevronUp
 524                } else {
 525                    IconName::ChevronDown
 526                },
 527            )
 528            .icon_color(Color::Muted)
 529            .shape(ui::IconButtonShape::Square)
 530            .tooltip(Tooltip::text(if is_expanded {
 531                "Collapse Code"
 532            } else {
 533                "Expand Code"
 534            }))
 535            .on_click({
 536                let active_thread = active_thread.clone();
 537                move |_event, _window, cx| {
 538                    active_thread.update(cx, |this, cx| {
 539                        this.toggle_codeblock_expanded(message_id, ix);
 540                        cx.notify();
 541                    });
 542                }
 543            }),
 544        );
 545
 546    let codeblock_header = h_flex()
 547        .relative()
 548        .p_1()
 549        .gap_1()
 550        .justify_between()
 551        .bg(codeblock_header_bg)
 552        .map(|this| {
 553            if !is_expanded {
 554                this.rounded_md()
 555            } else {
 556                this.rounded_t_md()
 557                    .border_b_1()
 558                    .border_color(cx.theme().colors().border.opacity(0.6))
 559            }
 560        })
 561        .children(label)
 562        .child(control_buttons);
 563
 564    v_flex()
 565        .group(CODEBLOCK_CONTAINER_GROUP)
 566        .my_2()
 567        .overflow_hidden()
 568        .rounded_md()
 569        .border_1()
 570        .border_color(cx.theme().colors().border.opacity(0.6))
 571        .bg(cx.theme().colors().editor_background)
 572        .child(codeblock_header)
 573        .when(!is_expanded, |this| this.h(rems_from_px(31.)))
 574}
 575
 576fn open_path(
 577    path_range: &PathWithRange,
 578    window: &mut Window,
 579    workspace: &mut Workspace,
 580    cx: &mut Context<'_, Workspace>,
 581) {
 582    let Some(project_path) = workspace
 583        .project()
 584        .read(cx)
 585        .find_project_path(&path_range.path, cx)
 586    else {
 587        return; // TODO instead of just bailing out, open that path in a buffer.
 588    };
 589
 590    let Some(target) = path_range.range.as_ref().map(|range| {
 591        Point::new(
 592            // Line number is 1-based
 593            range.start.line.saturating_sub(1),
 594            range.start.col.unwrap_or(0),
 595        )
 596    }) else {
 597        return;
 598    };
 599    let open_task = workspace.open_path(project_path, None, true, window, cx);
 600    window
 601        .spawn(cx, async move |cx| {
 602            let item = open_task.await?;
 603            if let Some(active_editor) = item.downcast::<Editor>() {
 604                active_editor
 605                    .update_in(cx, |editor, window, cx| {
 606                        editor.go_to_singleton_buffer_point(target, window, cx);
 607                    })
 608                    .ok();
 609            }
 610            anyhow::Ok(())
 611        })
 612        .detach_and_log_err(cx);
 613}
 614
 615fn render_code_language(
 616    language: Option<&Arc<Language>>,
 617    name_fallback: SharedString,
 618    cx: &App,
 619) -> AnyElement {
 620    let icon_path = language.and_then(|language| {
 621        language
 622            .config()
 623            .matcher
 624            .path_suffixes
 625            .iter()
 626            .find_map(|extension| file_icons::FileIcons::get_icon(Path::new(extension), cx))
 627            .map(Icon::from_path)
 628    });
 629
 630    let language_label = language
 631        .map(|language| language.name().into())
 632        .unwrap_or(name_fallback);
 633
 634    let label_size = rems(0.8125);
 635
 636    h_flex()
 637        .px_1()
 638        .gap_1p5()
 639        .children(icon_path.map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)))
 640        .child(div().text_size(label_size).child(language_label))
 641        .into_any_element()
 642}
 643
 644fn open_markdown_link(
 645    text: SharedString,
 646    workspace: WeakEntity<Workspace>,
 647    window: &mut Window,
 648    cx: &mut App,
 649) {
 650    let Some(workspace) = workspace.upgrade() else {
 651        cx.open_url(&text);
 652        return;
 653    };
 654
 655    match MentionLink::try_parse(&text, &workspace, cx) {
 656        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 657            if entry.is_dir() {
 658                workspace.project().update(cx, |_, cx| {
 659                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 660                })
 661            } else {
 662                workspace
 663                    .open_path(path, None, true, window, cx)
 664                    .detach_and_log_err(cx);
 665            }
 666        }),
 667        Some(MentionLink::Symbol(path, symbol_name)) => {
 668            let open_task = workspace.update(cx, |workspace, cx| {
 669                workspace.open_path(path, None, true, window, cx)
 670            });
 671            window
 672                .spawn(cx, async move |cx| {
 673                    let active_editor = open_task
 674                        .await?
 675                        .downcast::<Editor>()
 676                        .context("Item is not an editor")?;
 677                    active_editor.update_in(cx, |editor, window, cx| {
 678                        let symbol_range = editor
 679                            .buffer()
 680                            .read(cx)
 681                            .snapshot(cx)
 682                            .outline(None)
 683                            .and_then(|outline| {
 684                                outline
 685                                    .find_most_similar(&symbol_name)
 686                                    .map(|(_, item)| item.range.clone())
 687                            })
 688                            .context("Could not find matching symbol")?;
 689
 690                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 691                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 692                        });
 693                        anyhow::Ok(())
 694                    })
 695                })
 696                .detach_and_log_err(cx);
 697        }
 698        Some(MentionLink::Selection(path, line_range)) => {
 699            let open_task = workspace.update(cx, |workspace, cx| {
 700                workspace.open_path(path, None, true, window, cx)
 701            });
 702            window
 703                .spawn(cx, async move |cx| {
 704                    let active_editor = open_task
 705                        .await?
 706                        .downcast::<Editor>()
 707                        .context("Item is not an editor")?;
 708                    active_editor.update_in(cx, |editor, window, cx| {
 709                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 710                            s.select_ranges([Point::new(line_range.start as u32, 0)
 711                                ..Point::new(line_range.start as u32, 0)])
 712                        });
 713                        anyhow::Ok(())
 714                    })
 715                })
 716                .detach_and_log_err(cx);
 717        }
 718        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 719            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 720                panel.update(cx, |panel, cx| {
 721                    panel
 722                        .open_thread_by_id(&thread_id, window, cx)
 723                        .detach_and_log_err(cx)
 724                });
 725            }
 726        }),
 727        Some(MentionLink::TextThread(path)) => workspace.update(cx, |workspace, cx| {
 728            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 729                panel.update(cx, |panel, cx| {
 730                    panel
 731                        .open_saved_prompt_editor(path, window, cx)
 732                        .detach_and_log_err(cx);
 733                });
 734            }
 735        }),
 736        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 737        Some(MentionLink::Rule(prompt_id)) => window.dispatch_action(
 738            Box::new(OpenRulesLibrary {
 739                prompt_to_select: Some(prompt_id.0),
 740            }),
 741            cx,
 742        ),
 743        None => cx.open_url(&text),
 744    }
 745}
 746
 747struct EditingMessageState {
 748    editor: Entity<Editor>,
 749    context_strip: Entity<ContextStrip>,
 750    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
 751    last_estimated_token_count: Option<usize>,
 752    _subscriptions: [Subscription; 2],
 753    _update_token_count_task: Option<Task<()>>,
 754}
 755
 756impl ActiveThread {
 757    pub fn new(
 758        thread: Entity<Thread>,
 759        thread_store: Entity<ThreadStore>,
 760        text_thread_store: Entity<TextThreadStore>,
 761        context_store: Entity<ContextStore>,
 762        language_registry: Arc<LanguageRegistry>,
 763        workspace: WeakEntity<Workspace>,
 764        window: &mut Window,
 765        cx: &mut Context<Self>,
 766    ) -> Self {
 767        let subscriptions = vec![
 768            cx.observe(&thread, |_, _, cx| cx.notify()),
 769            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 770            cx.subscribe(&thread_store, Self::handle_rules_loading_error),
 771            cx.observe_global::<SettingsStore>(|_, cx| cx.notify()),
 772        ];
 773
 774        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 775            let this = cx.entity().downgrade();
 776            move |ix, window: &mut Window, cx: &mut App| {
 777                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 778                    .unwrap()
 779            }
 780        });
 781        let mut this = Self {
 782            language_registry,
 783            thread_store,
 784            text_thread_store,
 785            context_store,
 786            thread: thread.clone(),
 787            workspace,
 788            save_thread_task: None,
 789            messages: Vec::new(),
 790            rendered_messages_by_id: HashMap::default(),
 791            rendered_tool_uses: HashMap::default(),
 792            expanded_tool_uses: HashMap::default(),
 793            expanded_thinking_segments: HashMap::default(),
 794            expanded_code_blocks: HashMap::default(),
 795            list_state: list_state.clone(),
 796            scrollbar_state: ScrollbarState::new(list_state),
 797            show_scrollbar: false,
 798            hide_scrollbar_task: None,
 799            editing_message: None,
 800            last_error: None,
 801            copied_code_block_ids: HashSet::default(),
 802            notifications: Vec::new(),
 803            _subscriptions: subscriptions,
 804            notification_subscriptions: HashMap::default(),
 805            open_feedback_editors: HashMap::default(),
 806            _load_edited_message_context_task: None,
 807        };
 808
 809        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 810            this.push_message(&message.id, &message.segments, window, cx);
 811
 812            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 813                this.render_tool_use_markdown(
 814                    tool_use.id.clone(),
 815                    tool_use.ui_text.clone(),
 816                    &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
 817                    tool_use.status.text(),
 818                    cx,
 819                );
 820            }
 821        }
 822
 823        this
 824    }
 825
 826    pub fn thread(&self) -> &Entity<Thread> {
 827        &self.thread
 828    }
 829
 830    pub fn is_empty(&self) -> bool {
 831        self.messages.is_empty()
 832    }
 833
 834    pub fn summary<'a>(&'a self, cx: &'a App) -> &'a ThreadSummary {
 835        self.thread.read(cx).summary()
 836    }
 837
 838    pub fn regenerate_summary(&self, cx: &mut App) {
 839        self.thread.update(cx, |thread, cx| thread.summarize(cx))
 840    }
 841
 842    pub fn cancel_last_completion(&mut self, window: &mut Window, cx: &mut App) -> bool {
 843        self.last_error.take();
 844        self.thread.update(cx, |thread, cx| {
 845            thread.cancel_last_completion(Some(window.window_handle()), cx)
 846        })
 847    }
 848
 849    pub fn last_error(&self) -> Option<ThreadError> {
 850        self.last_error.clone()
 851    }
 852
 853    pub fn clear_last_error(&mut self) {
 854        self.last_error.take();
 855    }
 856
 857    /// Returns the editing message id and the estimated token count in the content
 858    pub fn editing_message_id(&self) -> Option<(MessageId, usize)> {
 859        self.editing_message
 860            .as_ref()
 861            .map(|(id, state)| (*id, state.last_estimated_token_count.unwrap_or(0)))
 862    }
 863
 864    pub fn context_store(&self) -> &Entity<ContextStore> {
 865        &self.context_store
 866    }
 867
 868    pub fn thread_store(&self) -> &Entity<ThreadStore> {
 869        &self.thread_store
 870    }
 871
 872    pub fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 873        &self.text_thread_store
 874    }
 875
 876    fn push_message(
 877        &mut self,
 878        id: &MessageId,
 879        segments: &[MessageSegment],
 880        _window: &mut Window,
 881        cx: &mut Context<Self>,
 882    ) {
 883        let old_len = self.messages.len();
 884        self.messages.push(*id);
 885        self.list_state.splice(old_len..old_len, 1);
 886
 887        let rendered_message =
 888            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 889        self.rendered_messages_by_id.insert(*id, rendered_message);
 890    }
 891
 892    fn edited_message(
 893        &mut self,
 894        id: &MessageId,
 895        segments: &[MessageSegment],
 896        _window: &mut Window,
 897        cx: &mut Context<Self>,
 898    ) {
 899        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 900            return;
 901        };
 902        self.list_state.splice(index..index + 1, 1);
 903        let rendered_message =
 904            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 905        self.rendered_messages_by_id.insert(*id, rendered_message);
 906    }
 907
 908    fn deleted_message(&mut self, id: &MessageId) {
 909        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 910            return;
 911        };
 912        self.messages.remove(index);
 913        self.list_state.splice(index..index + 1, 0);
 914        self.rendered_messages_by_id.remove(id);
 915    }
 916
 917    fn render_tool_use_markdown(
 918        &mut self,
 919        tool_use_id: LanguageModelToolUseId,
 920        tool_label: impl Into<SharedString>,
 921        tool_input: &str,
 922        tool_output: SharedString,
 923        cx: &mut Context<Self>,
 924    ) {
 925        let rendered = self
 926            .rendered_tool_uses
 927            .entry(tool_use_id.clone())
 928            .or_insert_with(|| RenderedToolUse {
 929                label: cx.new(|cx| {
 930                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 931                }),
 932                input: cx.new(|cx| {
 933                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 934                }),
 935                output: cx.new(|cx| {
 936                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 937                }),
 938            });
 939
 940        rendered.label.update(cx, |this, cx| {
 941            this.replace(tool_label, cx);
 942        });
 943        rendered.input.update(cx, |this, cx| {
 944            this.replace(
 945                MarkdownCodeBlock {
 946                    tag: "json",
 947                    text: tool_input,
 948                }
 949                .to_string(),
 950                cx,
 951            );
 952        });
 953        rendered.output.update(cx, |this, cx| {
 954            this.replace(tool_output, cx);
 955        });
 956    }
 957
 958    fn handle_thread_event(
 959        &mut self,
 960        _thread: &Entity<Thread>,
 961        event: &ThreadEvent,
 962        window: &mut Window,
 963        cx: &mut Context<Self>,
 964    ) {
 965        match event {
 966            ThreadEvent::CancelEditing => {
 967                if self.editing_message.is_some() {
 968                    self.cancel_editing_message(&menu::Cancel, window, cx);
 969                }
 970            }
 971            ThreadEvent::ShowError(error) => {
 972                self.last_error = Some(error.clone());
 973            }
 974            ThreadEvent::NewRequest | ThreadEvent::CompletionCanceled => {
 975                cx.notify();
 976            }
 977            ThreadEvent::StreamedCompletion
 978            | ThreadEvent::SummaryGenerated
 979            | ThreadEvent::SummaryChanged => {
 980                self.save_thread(cx);
 981            }
 982            ThreadEvent::Stopped(reason) => match reason {
 983                Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
 984                    let thread = self.thread.read(cx);
 985                    self.show_notification(
 986                        if thread.used_tools_since_last_user_message() {
 987                            "Finished running tools"
 988                        } else {
 989                            "New message"
 990                        },
 991                        IconName::ZedAssistant,
 992                        window,
 993                        cx,
 994                    );
 995                }
 996                _ => {}
 997            },
 998            ThreadEvent::ToolConfirmationNeeded => {
 999                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
1000            }
1001            ThreadEvent::StreamedAssistantText(message_id, text) => {
1002                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
1003                    rendered_message.append_text(text, cx);
1004                }
1005            }
1006            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
1007                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
1008                    rendered_message.append_thinking(text, cx);
1009                }
1010            }
1011            ThreadEvent::MessageAdded(message_id) => {
1012                if let Some(message_segments) = self
1013                    .thread
1014                    .read(cx)
1015                    .message(*message_id)
1016                    .map(|message| message.segments.clone())
1017                {
1018                    self.push_message(message_id, &message_segments, window, cx);
1019                }
1020
1021                self.scroll_to_bottom(cx);
1022                self.save_thread(cx);
1023                cx.notify();
1024            }
1025            ThreadEvent::MessageEdited(message_id) => {
1026                if let Some(message_segments) = self
1027                    .thread
1028                    .read(cx)
1029                    .message(*message_id)
1030                    .map(|message| message.segments.clone())
1031                {
1032                    self.edited_message(message_id, &message_segments, window, cx);
1033                }
1034
1035                self.scroll_to_bottom(cx);
1036                self.save_thread(cx);
1037                cx.notify();
1038            }
1039            ThreadEvent::MessageDeleted(message_id) => {
1040                self.deleted_message(message_id);
1041                self.save_thread(cx);
1042                cx.notify();
1043            }
1044            ThreadEvent::UsePendingTools { tool_uses } => {
1045                for tool_use in tool_uses {
1046                    self.render_tool_use_markdown(
1047                        tool_use.id.clone(),
1048                        tool_use.ui_text.clone(),
1049                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1050                        "".into(),
1051                        cx,
1052                    );
1053                }
1054            }
1055            ThreadEvent::StreamedToolUse {
1056                tool_use_id,
1057                ui_text,
1058                input,
1059            } => {
1060                self.render_tool_use_markdown(
1061                    tool_use_id.clone(),
1062                    ui_text.clone(),
1063                    &serde_json::to_string_pretty(&input).unwrap_or_default(),
1064                    "".into(),
1065                    cx,
1066                );
1067            }
1068            ThreadEvent::ToolFinished {
1069                pending_tool_use, ..
1070            } => {
1071                if let Some(tool_use) = pending_tool_use {
1072                    self.render_tool_use_markdown(
1073                        tool_use.id.clone(),
1074                        tool_use.ui_text.clone(),
1075                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1076                        self.thread
1077                            .read(cx)
1078                            .output_for_tool(&tool_use.id)
1079                            .map(|output| output.clone().into())
1080                            .unwrap_or("".into()),
1081                        cx,
1082                    );
1083                }
1084            }
1085            ThreadEvent::CheckpointChanged => cx.notify(),
1086            ThreadEvent::ReceivedTextChunk => {}
1087            ThreadEvent::InvalidToolInput {
1088                tool_use_id,
1089                ui_text,
1090                invalid_input_json,
1091            } => {
1092                self.render_tool_use_markdown(
1093                    tool_use_id.clone(),
1094                    ui_text,
1095                    invalid_input_json,
1096                    self.thread
1097                        .read(cx)
1098                        .output_for_tool(tool_use_id)
1099                        .map(|output| output.clone().into())
1100                        .unwrap_or("".into()),
1101                    cx,
1102                );
1103            }
1104            ThreadEvent::MissingToolUse {
1105                tool_use_id,
1106                ui_text,
1107            } => {
1108                self.render_tool_use_markdown(
1109                    tool_use_id.clone(),
1110                    ui_text,
1111                    "",
1112                    self.thread
1113                        .read(cx)
1114                        .output_for_tool(tool_use_id)
1115                        .map(|output| output.clone().into())
1116                        .unwrap_or("".into()),
1117                    cx,
1118                );
1119            }
1120        }
1121    }
1122
1123    fn handle_rules_loading_error(
1124        &mut self,
1125        _thread_store: Entity<ThreadStore>,
1126        error: &RulesLoadingError,
1127        cx: &mut Context<Self>,
1128    ) {
1129        self.last_error = Some(ThreadError::Message {
1130            header: "Error loading rules file".into(),
1131            message: error.message.clone(),
1132        });
1133        cx.notify();
1134    }
1135
1136    fn show_notification(
1137        &mut self,
1138        caption: impl Into<SharedString>,
1139        icon: IconName,
1140        window: &mut Window,
1141        cx: &mut Context<ActiveThread>,
1142    ) {
1143        if window.is_window_active() || !self.notifications.is_empty() {
1144            return;
1145        }
1146
1147        let title = self.thread.read(cx).summary().unwrap_or("Agent Panel");
1148
1149        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
1150            NotifyWhenAgentWaiting::PrimaryScreen => {
1151                if let Some(primary) = cx.primary_display() {
1152                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
1153                }
1154            }
1155            NotifyWhenAgentWaiting::AllScreens => {
1156                let caption = caption.into();
1157                for screen in cx.displays() {
1158                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
1159                }
1160            }
1161            NotifyWhenAgentWaiting::Never => {
1162                // Don't show anything
1163            }
1164        }
1165    }
1166
1167    fn pop_up(
1168        &mut self,
1169        icon: IconName,
1170        caption: SharedString,
1171        title: SharedString,
1172        window: &mut Window,
1173        screen: Rc<dyn PlatformDisplay>,
1174        cx: &mut Context<'_, ActiveThread>,
1175    ) {
1176        let options = AgentNotification::window_options(screen, cx);
1177
1178        let project_name = self.workspace.upgrade().and_then(|workspace| {
1179            workspace
1180                .read(cx)
1181                .project()
1182                .read(cx)
1183                .visible_worktrees(cx)
1184                .next()
1185                .map(|worktree| worktree.read(cx).root_name().to_string())
1186        });
1187
1188        if let Some(screen_window) = cx
1189            .open_window(options, |_, cx| {
1190                cx.new(|_| {
1191                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
1192                })
1193            })
1194            .log_err()
1195        {
1196            if let Some(pop_up) = screen_window.entity(cx).log_err() {
1197                self.notification_subscriptions
1198                    .entry(screen_window)
1199                    .or_insert_with(Vec::new)
1200                    .push(cx.subscribe_in(&pop_up, window, {
1201                        |this, _, event, window, cx| match event {
1202                            AgentNotificationEvent::Accepted => {
1203                                let handle = window.window_handle();
1204                                cx.activate(true);
1205
1206                                let workspace_handle = this.workspace.clone();
1207
1208                                // If there are multiple Zed windows, activate the correct one.
1209                                cx.defer(move |cx| {
1210                                    handle
1211                                        .update(cx, |_view, window, _cx| {
1212                                            window.activate_window();
1213
1214                                            if let Some(workspace) = workspace_handle.upgrade() {
1215                                                workspace.update(_cx, |workspace, cx| {
1216                                                    workspace.focus_panel::<AgentPanel>(window, cx);
1217                                                });
1218                                            }
1219                                        })
1220                                        .log_err();
1221                                });
1222
1223                                this.dismiss_notifications(cx);
1224                            }
1225                            AgentNotificationEvent::Dismissed => {
1226                                this.dismiss_notifications(cx);
1227                            }
1228                        }
1229                    }));
1230
1231                self.notifications.push(screen_window);
1232
1233                // If the user manually refocuses the original window, dismiss the popup.
1234                self.notification_subscriptions
1235                    .entry(screen_window)
1236                    .or_insert_with(Vec::new)
1237                    .push({
1238                        let pop_up_weak = pop_up.downgrade();
1239
1240                        cx.observe_window_activation(window, move |_, window, cx| {
1241                            if window.is_window_active() {
1242                                if let Some(pop_up) = pop_up_weak.upgrade() {
1243                                    pop_up.update(cx, |_, cx| {
1244                                        cx.emit(AgentNotificationEvent::Dismissed);
1245                                    });
1246                                }
1247                            }
1248                        })
1249                    });
1250            }
1251        }
1252    }
1253
1254    /// Spawns a task to save the active thread.
1255    ///
1256    /// Only one task to save the thread will be in flight at a time.
1257    fn save_thread(&mut self, cx: &mut Context<Self>) {
1258        let thread = self.thread.clone();
1259        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
1260            let task = this
1261                .update(cx, |this, cx| {
1262                    this.thread_store
1263                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
1264                })
1265                .ok();
1266
1267            if let Some(task) = task {
1268                task.await.log_err();
1269            }
1270        }));
1271    }
1272
1273    fn start_editing_message(
1274        &mut self,
1275        message_id: MessageId,
1276        message_segments: &[MessageSegment],
1277        message_creases: &[MessageCrease],
1278        window: &mut Window,
1279        cx: &mut Context<Self>,
1280    ) {
1281        // User message should always consist of a single text segment,
1282        // therefore we can skip returning early if it's not a text segment.
1283        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
1284            return;
1285        };
1286
1287        let editor = crate::message_editor::create_editor(
1288            self.workspace.clone(),
1289            self.context_store.downgrade(),
1290            self.thread_store.downgrade(),
1291            self.text_thread_store.downgrade(),
1292            window,
1293            cx,
1294        );
1295        editor.update(cx, |editor, cx| {
1296            editor.set_text(message_text.clone(), window, cx);
1297            insert_message_creases(editor, message_creases, &self.context_store, window, cx);
1298            editor.focus_handle(cx).focus(window);
1299            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
1300        });
1301        let buffer_edited_subscription = cx.subscribe(&editor, |this, _, event, cx| match event {
1302            EditorEvent::BufferEdited => {
1303                this.update_editing_message_token_count(true, cx);
1304            }
1305            _ => {}
1306        });
1307
1308        let context_picker_menu_handle = PopoverMenuHandle::default();
1309        let context_strip = cx.new(|cx| {
1310            ContextStrip::new(
1311                self.context_store.clone(),
1312                self.workspace.clone(),
1313                Some(self.thread_store.downgrade()),
1314                Some(self.text_thread_store.downgrade()),
1315                context_picker_menu_handle.clone(),
1316                SuggestContextKind::File,
1317                window,
1318                cx,
1319            )
1320        });
1321
1322        let context_strip_subscription =
1323            cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event);
1324
1325        self.editing_message = Some((
1326            message_id,
1327            EditingMessageState {
1328                editor: editor.clone(),
1329                context_strip,
1330                context_picker_menu_handle,
1331                last_estimated_token_count: None,
1332                _subscriptions: [buffer_edited_subscription, context_strip_subscription],
1333                _update_token_count_task: None,
1334            },
1335        ));
1336        self.update_editing_message_token_count(false, cx);
1337        cx.notify();
1338    }
1339
1340    fn handle_context_strip_event(
1341        &mut self,
1342        _context_strip: &Entity<ContextStrip>,
1343        event: &ContextStripEvent,
1344        window: &mut Window,
1345        cx: &mut Context<Self>,
1346    ) {
1347        if let Some((_, state)) = self.editing_message.as_ref() {
1348            match event {
1349                ContextStripEvent::PickerDismissed
1350                | ContextStripEvent::BlurredEmpty
1351                | ContextStripEvent::BlurredDown => {
1352                    let editor_focus_handle = state.editor.focus_handle(cx);
1353                    window.focus(&editor_focus_handle);
1354                }
1355                ContextStripEvent::BlurredUp => {}
1356            }
1357        }
1358    }
1359
1360    fn update_editing_message_token_count(&mut self, debounce: bool, cx: &mut Context<Self>) {
1361        let Some((message_id, state)) = self.editing_message.as_mut() else {
1362            return;
1363        };
1364
1365        cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1366        state._update_token_count_task.take();
1367
1368        let Some(configured_model) = self.thread.read(cx).configured_model() else {
1369            state.last_estimated_token_count.take();
1370            return;
1371        };
1372
1373        let editor = state.editor.clone();
1374        let thread = self.thread.clone();
1375        let message_id = *message_id;
1376
1377        state._update_token_count_task = Some(cx.spawn(async move |this, cx| {
1378            if debounce {
1379                cx.background_executor()
1380                    .timer(Duration::from_millis(200))
1381                    .await;
1382            }
1383
1384            let token_count = if let Some(task) = cx
1385                .update(|cx| {
1386                    let Some(message) = thread.read(cx).message(message_id) else {
1387                        log::error!("Message that was being edited no longer exists");
1388                        return None;
1389                    };
1390                    let message_text = editor.read(cx).text(cx);
1391
1392                    if message_text.is_empty() && message.loaded_context.is_empty() {
1393                        return None;
1394                    }
1395
1396                    let mut request_message = LanguageModelRequestMessage {
1397                        role: language_model::Role::User,
1398                        content: Vec::new(),
1399                        cache: false,
1400                    };
1401
1402                    message
1403                        .loaded_context
1404                        .add_to_request_message(&mut request_message);
1405
1406                    if !message_text.is_empty() {
1407                        request_message
1408                            .content
1409                            .push(MessageContent::Text(message_text));
1410                    }
1411
1412                    let request = language_model::LanguageModelRequest {
1413                        thread_id: None,
1414                        prompt_id: None,
1415                        mode: None,
1416                        messages: vec![request_message],
1417                        tools: vec![],
1418                        tool_choice: None,
1419                        stop: vec![],
1420                        temperature: AssistantSettings::temperature_for_model(
1421                            &configured_model.model,
1422                            cx,
1423                        ),
1424                    };
1425
1426                    Some(configured_model.model.count_tokens(request, cx))
1427                })
1428                .ok()
1429                .flatten()
1430            {
1431                task.await.log_err()
1432            } else {
1433                Some(0)
1434            };
1435
1436            if let Some(token_count) = token_count {
1437                this.update(cx, |this, cx| {
1438                    let Some((_message_id, state)) = this.editing_message.as_mut() else {
1439                        return;
1440                    };
1441
1442                    state.last_estimated_token_count = Some(token_count);
1443                    cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1444                })
1445                .ok();
1446            };
1447        }));
1448    }
1449
1450    fn toggle_context_picker(
1451        &mut self,
1452        _: &crate::ToggleContextPicker,
1453        window: &mut Window,
1454        cx: &mut Context<Self>,
1455    ) {
1456        if let Some((_, state)) = self.editing_message.as_mut() {
1457            let handle = state.context_picker_menu_handle.clone();
1458            window.defer(cx, move |window, cx| {
1459                handle.toggle(window, cx);
1460            });
1461        }
1462    }
1463
1464    fn remove_all_context(
1465        &mut self,
1466        _: &crate::RemoveAllContext,
1467        _window: &mut Window,
1468        cx: &mut Context<Self>,
1469    ) {
1470        self.context_store.update(cx, |store, _cx| store.clear());
1471        cx.notify();
1472    }
1473
1474    fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
1475        if let Some((_, state)) = self.editing_message.as_mut() {
1476            if state.context_picker_menu_handle.is_deployed() {
1477                cx.propagate();
1478            } else {
1479                state.context_strip.focus_handle(cx).focus(window);
1480            }
1481        }
1482    }
1483
1484    fn paste(&mut self, _: &Paste, _window: &mut Window, cx: &mut Context<Self>) {
1485        let images = cx
1486            .read_from_clipboard()
1487            .map(|item| {
1488                item.into_entries()
1489                    .filter_map(|entry| {
1490                        if let ClipboardEntry::Image(image) = entry {
1491                            Some(image)
1492                        } else {
1493                            None
1494                        }
1495                    })
1496                    .collect::<Vec<_>>()
1497            })
1498            .unwrap_or_default();
1499
1500        if images.is_empty() {
1501            return;
1502        }
1503        cx.stop_propagation();
1504
1505        self.context_store.update(cx, |store, cx| {
1506            for image in images {
1507                store.add_image_instance(Arc::new(image), cx);
1508            }
1509        });
1510    }
1511
1512    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1513        self.editing_message.take();
1514        cx.notify();
1515    }
1516
1517    fn confirm_editing_message(
1518        &mut self,
1519        _: &menu::Confirm,
1520        window: &mut Window,
1521        cx: &mut Context<Self>,
1522    ) {
1523        let Some((message_id, state)) = self.editing_message.take() else {
1524            return;
1525        };
1526
1527        let Some(model) = self
1528            .thread
1529            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
1530        else {
1531            return;
1532        };
1533
1534        if model.provider.must_accept_terms(cx) {
1535            cx.notify();
1536            return;
1537        }
1538
1539        let edited_text = state.editor.read(cx).text(cx);
1540
1541        let new_context = self
1542            .context_store
1543            .read(cx)
1544            .new_context_for_thread(self.thread.read(cx), Some(message_id));
1545
1546        let project = self.thread.read(cx).project().clone();
1547        let prompt_store = self.thread_store.read(cx).prompt_store().clone();
1548
1549        let git_store = project.read(cx).git_store().clone();
1550        let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
1551
1552        let load_context_task =
1553            crate::context::load_context(new_context, &project, &prompt_store, cx);
1554        self._load_edited_message_context_task =
1555            Some(cx.spawn_in(window, async move |this, cx| {
1556                let (context, checkpoint) =
1557                    futures::future::join(load_context_task, checkpoint).await;
1558                let _ = this
1559                    .update_in(cx, |this, window, cx| {
1560                        this.thread.update(cx, |thread, cx| {
1561                            thread.edit_message(
1562                                message_id,
1563                                Role::User,
1564                                vec![MessageSegment::Text(edited_text)],
1565                                Some(context.loaded_context),
1566                                checkpoint.ok(),
1567                                cx,
1568                            );
1569                            for message_id in this.messages_after(message_id) {
1570                                thread.delete_message(*message_id, cx);
1571                            }
1572                        });
1573
1574                        this.thread.update(cx, |thread, cx| {
1575                            thread.advance_prompt_id();
1576                            thread.send_to_model(model.model, Some(window.window_handle()), cx);
1577                        });
1578                        this._load_edited_message_context_task = None;
1579                        cx.notify();
1580                    })
1581                    .log_err();
1582            }));
1583    }
1584
1585    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
1586        self.messages
1587            .iter()
1588            .position(|id| *id == message_id)
1589            .map(|index| &self.messages[index + 1..])
1590            .unwrap_or(&[])
1591    }
1592
1593    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1594        self.cancel_editing_message(&menu::Cancel, window, cx);
1595    }
1596
1597    fn handle_regenerate_click(
1598        &mut self,
1599        _: &ClickEvent,
1600        window: &mut Window,
1601        cx: &mut Context<Self>,
1602    ) {
1603        self.confirm_editing_message(&menu::Confirm, window, cx);
1604    }
1605
1606    fn handle_feedback_click(
1607        &mut self,
1608        message_id: MessageId,
1609        feedback: ThreadFeedback,
1610        window: &mut Window,
1611        cx: &mut Context<Self>,
1612    ) {
1613        let report = self.thread.update(cx, |thread, cx| {
1614            thread.report_message_feedback(message_id, feedback, cx)
1615        });
1616
1617        cx.spawn(async move |this, cx| {
1618            report.await?;
1619            this.update(cx, |_this, cx| cx.notify())
1620        })
1621        .detach_and_log_err(cx);
1622
1623        match feedback {
1624            ThreadFeedback::Positive => {
1625                self.open_feedback_editors.remove(&message_id);
1626            }
1627            ThreadFeedback::Negative => {
1628                self.handle_show_feedback_comments(message_id, window, cx);
1629            }
1630        }
1631    }
1632
1633    fn handle_show_feedback_comments(
1634        &mut self,
1635        message_id: MessageId,
1636        window: &mut Window,
1637        cx: &mut Context<Self>,
1638    ) {
1639        let buffer = cx.new(|cx| {
1640            let empty_string = String::new();
1641            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
1642        });
1643
1644        let editor = cx.new(|cx| {
1645            let mut editor = Editor::new(
1646                editor::EditorMode::AutoHeight { max_lines: 4 },
1647                buffer,
1648                None,
1649                window,
1650                cx,
1651            );
1652            editor.set_placeholder_text(
1653                "What went wrong? Share your feedback so we can improve.",
1654                cx,
1655            );
1656            editor
1657        });
1658
1659        editor.read(cx).focus_handle(cx).focus(window);
1660        self.open_feedback_editors.insert(message_id, editor);
1661        cx.notify();
1662    }
1663
1664    fn submit_feedback_message(&mut self, message_id: MessageId, cx: &mut Context<Self>) {
1665        let Some(editor) = self.open_feedback_editors.get(&message_id) else {
1666            return;
1667        };
1668
1669        let report_task = self.thread.update(cx, |thread, cx| {
1670            thread.report_message_feedback(message_id, ThreadFeedback::Negative, cx)
1671        });
1672
1673        let comments = editor.read(cx).text(cx);
1674        if !comments.is_empty() {
1675            let thread_id = self.thread.read(cx).id().clone();
1676            let comments_value = String::from(comments.as_str());
1677
1678            let message_content = self
1679                .thread
1680                .read(cx)
1681                .message(message_id)
1682                .map(|msg| msg.to_string())
1683                .unwrap_or_default();
1684
1685            telemetry::event!(
1686                "Assistant Thread Feedback Comments",
1687                thread_id,
1688                message_id = message_id.0,
1689                message_content,
1690                comments = comments_value
1691            );
1692
1693            self.open_feedback_editors.remove(&message_id);
1694
1695            cx.spawn(async move |this, cx| {
1696                report_task.await?;
1697                this.update(cx, |_this, cx| cx.notify())
1698            })
1699            .detach_and_log_err(cx);
1700        }
1701    }
1702
1703    fn render_edit_message_editor(
1704        &self,
1705        state: &EditingMessageState,
1706        _window: &mut Window,
1707        cx: &Context<Self>,
1708    ) -> impl IntoElement {
1709        let settings = ThemeSettings::get_global(cx);
1710        let font_size = TextSize::Small
1711            .rems(cx)
1712            .to_pixels(settings.agent_font_size(cx));
1713        let line_height = font_size * 1.75;
1714
1715        let colors = cx.theme().colors();
1716
1717        let text_style = TextStyle {
1718            color: colors.text,
1719            font_family: settings.buffer_font.family.clone(),
1720            font_fallbacks: settings.buffer_font.fallbacks.clone(),
1721            font_features: settings.buffer_font.features.clone(),
1722            font_size: font_size.into(),
1723            line_height: line_height.into(),
1724            ..Default::default()
1725        };
1726
1727        v_flex()
1728            .key_context("EditMessageEditor")
1729            .on_action(cx.listener(Self::toggle_context_picker))
1730            .on_action(cx.listener(Self::remove_all_context))
1731            .on_action(cx.listener(Self::move_up))
1732            .on_action(cx.listener(Self::cancel_editing_message))
1733            .on_action(cx.listener(Self::confirm_editing_message))
1734            .capture_action(cx.listener(Self::paste))
1735            .min_h_6()
1736            .w_full()
1737            .flex_grow()
1738            .gap_2()
1739            .child(state.context_strip.clone())
1740            .child(div().pt(px(-3.)).px_neg_0p5().child(EditorElement::new(
1741                &state.editor,
1742                EditorStyle {
1743                    background: colors.editor_background,
1744                    local_player: cx.theme().players().local(),
1745                    text: text_style,
1746                    syntax: cx.theme().syntax().clone(),
1747                    ..Default::default()
1748                },
1749            )))
1750    }
1751
1752    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
1753        let message_id = self.messages[ix];
1754        let Some(message) = self.thread.read(cx).message(message_id) else {
1755            return Empty.into_any();
1756        };
1757        let message_creases = message.creases.clone();
1758
1759        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
1760            return Empty.into_any();
1761        };
1762
1763        let workspace = self.workspace.clone();
1764        let thread = self.thread.read(cx);
1765
1766        // Get all the data we need from thread before we start using it in closures
1767        let checkpoint = thread.checkpoint_for_message(message_id);
1768        let added_context = thread
1769            .context_for_message(message_id)
1770            .map(|context| AddedContext::new_attached(context, cx))
1771            .collect::<Vec<_>>();
1772
1773        let tool_uses = thread.tool_uses_for_message(message_id, cx);
1774        let has_tool_uses = !tool_uses.is_empty();
1775        let is_generating = thread.is_generating();
1776        let is_generating_stale = thread.is_generation_stale().unwrap_or(false);
1777
1778        let is_first_message = ix == 0;
1779        let is_last_message = ix == self.messages.len() - 1;
1780
1781        let loading_dots = (is_generating_stale && is_last_message)
1782            .then(|| AnimatedLabel::new("").size(LabelSize::Small));
1783
1784        let editing_message_state = self
1785            .editing_message
1786            .as_ref()
1787            .filter(|(id, _)| *id == message_id)
1788            .map(|(_, state)| state);
1789
1790        let colors = cx.theme().colors();
1791        let editor_bg_color = colors.editor_background;
1792
1793        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::DocumentText)
1794            .icon_size(IconSize::XSmall)
1795            .icon_color(Color::Ignored)
1796            .tooltip(Tooltip::text("Open Thread as Markdown"))
1797            .on_click({
1798                let thread = self.thread.clone();
1799                let workspace = self.workspace.clone();
1800                move |_, window, cx| {
1801                    if let Some(workspace) = workspace.upgrade() {
1802                        open_active_thread_as_markdown(thread.clone(), workspace, window, cx)
1803                            .detach_and_log_err(cx);
1804                    }
1805                }
1806            });
1807
1808        // For all items that should be aligned with the LLM's response.
1809        const RESPONSE_PADDING_X: Pixels = px(19.);
1810
1811        let show_feedback = thread.is_turn_end(ix);
1812
1813        let feedback_container = h_flex()
1814            .group("feedback_container")
1815            .mt_1()
1816            .py_2()
1817            .px(RESPONSE_PADDING_X)
1818            .mr_1()
1819            .opacity(0.4)
1820            .hover(|style| style.opacity(1.))
1821            .gap_1p5()
1822            .flex_wrap()
1823            .justify_end();
1824        let feedback_items = match self.thread.read(cx).message_feedback(message_id) {
1825            Some(feedback) => feedback_container
1826                .child(
1827                    div().visible_on_hover("feedback_container").child(
1828                        Label::new(match feedback {
1829                            ThreadFeedback::Positive => "Thanks for your feedback!",
1830                            ThreadFeedback::Negative => {
1831                                "We appreciate your feedback and will use it to improve."
1832                            }
1833                        })
1834                    .color(Color::Muted)
1835                    .size(LabelSize::XSmall)
1836                    .truncate())
1837                )
1838                .child(
1839                    h_flex()
1840                        .child(
1841                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1842                                .icon_size(IconSize::XSmall)
1843                                .icon_color(match feedback {
1844                                    ThreadFeedback::Positive => Color::Accent,
1845                                    ThreadFeedback::Negative => Color::Ignored,
1846                                })
1847                                .tooltip(Tooltip::text("Helpful Response"))
1848                                .on_click(cx.listener(move |this, _, window, cx| {
1849                                    this.handle_feedback_click(
1850                                        message_id,
1851                                        ThreadFeedback::Positive,
1852                                        window,
1853                                        cx,
1854                                    );
1855                                })),
1856                        )
1857                        .child(
1858                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1859                                .icon_size(IconSize::XSmall)
1860                                .icon_color(match feedback {
1861                                    ThreadFeedback::Positive => Color::Ignored,
1862                                    ThreadFeedback::Negative => Color::Accent,
1863                                })
1864                                .tooltip(Tooltip::text("Not Helpful"))
1865                                .on_click(cx.listener(move |this, _, window, cx| {
1866                                    this.handle_feedback_click(
1867                                        message_id,
1868                                        ThreadFeedback::Negative,
1869                                        window,
1870                                        cx,
1871                                    );
1872                                })),
1873                        )
1874                        .child(open_as_markdown),
1875                )
1876                .into_any_element(),
1877            None if AssistantSettings::get_global(cx).enable_feedback =>
1878                feedback_container
1879                .child(
1880                    div().visible_on_hover("feedback_container").child(
1881                        Label::new(
1882                            "Rating the thread sends all of your current conversation to the Zed team.",
1883                        )
1884                        .color(Color::Muted)
1885                    .size(LabelSize::XSmall)
1886                    .truncate())
1887                )
1888                .child(
1889                    h_flex()
1890                        .child(
1891                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1892                                .icon_size(IconSize::XSmall)
1893                                .icon_color(Color::Ignored)
1894                                .tooltip(Tooltip::text("Helpful Response"))
1895                                .on_click(cx.listener(move |this, _, window, cx| {
1896                                    this.handle_feedback_click(
1897                                        message_id,
1898                                        ThreadFeedback::Positive,
1899                                        window,
1900                                        cx,
1901                                    );
1902                                })),
1903                        )
1904                        .child(
1905                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1906                                .icon_size(IconSize::XSmall)
1907                                .icon_color(Color::Ignored)
1908                                .tooltip(Tooltip::text("Not Helpful"))
1909                                .on_click(cx.listener(move |this, _, window, cx| {
1910                                    this.handle_feedback_click(
1911                                        message_id,
1912                                        ThreadFeedback::Negative,
1913                                        window,
1914                                        cx,
1915                                    );
1916                                })),
1917                        )
1918                        .child(open_as_markdown),
1919                )
1920                .into_any_element(),
1921            None => feedback_container
1922                .child(h_flex().child(open_as_markdown))
1923                .into_any_element(),
1924        };
1925
1926        let message_is_empty = message.should_display_content();
1927        let has_content = !message_is_empty || !added_context.is_empty();
1928
1929        let message_content = has_content.then(|| {
1930            if let Some(state) = editing_message_state.as_ref() {
1931                self.render_edit_message_editor(state, window, cx)
1932                    .into_any_element()
1933            } else {
1934                v_flex()
1935                    .w_full()
1936                    .gap_1()
1937                    .when(!added_context.is_empty(), |parent| {
1938                        parent.child(h_flex().flex_wrap().gap_1().children(
1939                            added_context.into_iter().map(|added_context| {
1940                                let context = added_context.handle.clone();
1941                                ContextPill::added(added_context, false, false, None).on_click(
1942                                    Rc::new(cx.listener({
1943                                        let workspace = workspace.clone();
1944                                        move |_, _, window, cx| {
1945                                            if let Some(workspace) = workspace.upgrade() {
1946                                                open_context(&context, workspace, window, cx);
1947                                                cx.notify();
1948                                            }
1949                                        }
1950                                    })),
1951                                )
1952                            }),
1953                        ))
1954                    })
1955                    .when(!message_is_empty, |parent| {
1956                        parent.child(div().pt_0p5().min_h_6().child(self.render_message_content(
1957                            message_id,
1958                            rendered_message,
1959                            has_tool_uses,
1960                            workspace.clone(),
1961                            window,
1962                            cx,
1963                        )))
1964                    })
1965                    .into_any_element()
1966            }
1967        });
1968
1969        let styled_message = match message.role {
1970            Role::User => v_flex()
1971                .id(("message-container", ix))
1972                .pt_2()
1973                .pl_2()
1974                .pr_2p5()
1975                .pb_4()
1976                .child(
1977                    v_flex()
1978                        .id(("user-message", ix))
1979                        .bg(editor_bg_color)
1980                        .rounded_lg()
1981                        .shadow_md()
1982                        .border_1()
1983                        .border_color(colors.border)
1984                        .hover(|hover| hover.border_color(colors.text_accent.opacity(0.5)))
1985                        .cursor_pointer()
1986                        .child(
1987                            h_flex()
1988                                .p_2p5()
1989                                .gap_1()
1990                                .items_end()
1991                                .children(message_content)
1992                                .when_some(editing_message_state, |this, state| {
1993                                    let focus_handle = state.editor.focus_handle(cx).clone();
1994                                    this.w_full().justify_between().child(
1995                                        h_flex()
1996                                            .gap_0p5()
1997                                            .child(
1998                                                IconButton::new(
1999                                                    "cancel-edit-message",
2000                                                    IconName::Close,
2001                                                )
2002                                                .shape(ui::IconButtonShape::Square)
2003                                                .icon_color(Color::Error)
2004                                                .icon_size(IconSize::Small)
2005                                                .tooltip({
2006                                                    let focus_handle = focus_handle.clone();
2007                                                    move |window, cx| {
2008                                                        Tooltip::for_action_in(
2009                                                            "Cancel Edit",
2010                                                            &menu::Cancel,
2011                                                            &focus_handle,
2012                                                            window,
2013                                                            cx,
2014                                                        )
2015                                                    }
2016                                                })
2017                                                .on_click(cx.listener(Self::handle_cancel_click)),
2018                                            )
2019                                            .child(
2020                                                IconButton::new(
2021                                                    "confirm-edit-message",
2022                                                    IconName::Return,
2023                                                )
2024                                                .disabled(state.editor.read(cx).is_empty(cx))
2025                                                .shape(ui::IconButtonShape::Square)
2026                                                .icon_color(Color::Muted)
2027                                                .icon_size(IconSize::Small)
2028                                                .tooltip({
2029                                                    let focus_handle = focus_handle.clone();
2030                                                    move |window, cx| {
2031                                                        Tooltip::for_action_in(
2032                                                            "Regenerate",
2033                                                            &menu::Confirm,
2034                                                            &focus_handle,
2035                                                            window,
2036                                                            cx,
2037                                                        )
2038                                                    }
2039                                                })
2040                                                .on_click(
2041                                                    cx.listener(Self::handle_regenerate_click),
2042                                                ),
2043                                            ),
2044                                    )
2045                                }),
2046                        )
2047                        .on_click(cx.listener({
2048                            let message_segments = message.segments.clone();
2049                            move |this, _, window, cx| {
2050                                this.start_editing_message(
2051                                    message_id,
2052                                    &message_segments,
2053                                    &message_creases,
2054                                    window,
2055                                    cx,
2056                                );
2057                            }
2058                        })),
2059                ),
2060            Role::Assistant => v_flex()
2061                .id(("message-container", ix))
2062                .px(RESPONSE_PADDING_X)
2063                .gap_2()
2064                .children(message_content)
2065                .when(has_tool_uses, |parent| {
2066                    parent.children(tool_uses.into_iter().map(|tool_use| {
2067                        self.render_tool_use(tool_use, window, workspace.clone(), cx)
2068                    }))
2069                }),
2070            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
2071                v_flex()
2072                    .bg(colors.editor_background)
2073                    .rounded_sm()
2074                    .child(div().p_4().children(message_content)),
2075            ),
2076        };
2077
2078        let after_editing_message = self
2079            .editing_message
2080            .as_ref()
2081            .map_or(false, |(editing_message_id, _)| {
2082                message_id > *editing_message_id
2083            });
2084
2085        let panel_background = cx.theme().colors().panel_background;
2086
2087        let backdrop = div()
2088            .id("backdrop")
2089            .stop_mouse_events_except_scroll()
2090            .absolute()
2091            .inset_0()
2092            .size_full()
2093            .bg(panel_background)
2094            .opacity(0.8)
2095            .on_click(cx.listener(Self::handle_cancel_click));
2096
2097        v_flex()
2098            .w_full()
2099            .map(|parent| {
2100                if let Some(checkpoint) = checkpoint.filter(|_| !is_generating) {
2101                    let mut is_pending = false;
2102                    let mut error = None;
2103                    if let Some(last_restore_checkpoint) =
2104                        self.thread.read(cx).last_restore_checkpoint()
2105                    {
2106                        if last_restore_checkpoint.message_id() == message_id {
2107                            match last_restore_checkpoint {
2108                                LastRestoreCheckpoint::Pending { .. } => is_pending = true,
2109                                LastRestoreCheckpoint::Error { error: err, .. } => {
2110                                    error = Some(err.clone());
2111                                }
2112                            }
2113                        }
2114                    }
2115
2116                    let restore_checkpoint_button =
2117                        Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
2118                            .icon(if error.is_some() {
2119                                IconName::XCircle
2120                            } else {
2121                                IconName::Undo
2122                            })
2123                            .icon_size(IconSize::XSmall)
2124                            .icon_position(IconPosition::Start)
2125                            .icon_color(if error.is_some() {
2126                                Some(Color::Error)
2127                            } else {
2128                                None
2129                            })
2130                            .label_size(LabelSize::XSmall)
2131                            .disabled(is_pending)
2132                            .on_click(cx.listener(move |this, _, _window, cx| {
2133                                this.thread.update(cx, |thread, cx| {
2134                                    thread
2135                                        .restore_checkpoint(checkpoint.clone(), cx)
2136                                        .detach_and_log_err(cx);
2137                                });
2138                            }));
2139
2140                    let restore_checkpoint_button = if is_pending {
2141                        restore_checkpoint_button
2142                            .with_animation(
2143                                ("pulsating-restore-checkpoint-button", ix),
2144                                Animation::new(Duration::from_secs(2))
2145                                    .repeat()
2146                                    .with_easing(pulsating_between(0.6, 1.)),
2147                                |label, delta| label.alpha(delta),
2148                            )
2149                            .into_any_element()
2150                    } else if let Some(error) = error {
2151                        restore_checkpoint_button
2152                            .tooltip(Tooltip::text(error.to_string()))
2153                            .into_any_element()
2154                    } else {
2155                        restore_checkpoint_button.into_any_element()
2156                    };
2157
2158                    parent.child(
2159                        h_flex()
2160                            .pt_2p5()
2161                            .px_2p5()
2162                            .w_full()
2163                            .gap_1()
2164                            .child(ui::Divider::horizontal())
2165                            .child(restore_checkpoint_button)
2166                            .child(ui::Divider::horizontal()),
2167                    )
2168                } else {
2169                    parent
2170                }
2171            })
2172            .when(is_first_message, |parent| {
2173                parent.child(self.render_rules_item(cx))
2174            })
2175            .child(styled_message)
2176            .when(is_generating && is_last_message, |this| {
2177                this.child(
2178                    h_flex()
2179                        .h_8()
2180                        .mt_2()
2181                        .mb_4()
2182                        .ml_4()
2183                        .py_1p5()
2184                        .when_some(loading_dots, |this, loading_dots| this.child(loading_dots)),
2185                )
2186            })
2187            .when(show_feedback, move |parent| {
2188                parent.child(feedback_items).when_some(
2189                    self.open_feedback_editors.get(&message_id),
2190                    move |parent, feedback_editor| {
2191                        let focus_handle = feedback_editor.focus_handle(cx);
2192                        parent.child(
2193                            v_flex()
2194                                .key_context("AgentFeedbackMessageEditor")
2195                                .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
2196                                    this.open_feedback_editors.remove(&message_id);
2197                                    cx.notify();
2198                                }))
2199                                .on_action(cx.listener(move |this, _: &menu::Confirm, _, cx| {
2200                                    this.submit_feedback_message(message_id, cx);
2201                                    cx.notify();
2202                                }))
2203                                .on_action(cx.listener(Self::confirm_editing_message))
2204                                .mb_2()
2205                                .mx_4()
2206                                .p_2()
2207                                .rounded_md()
2208                                .border_1()
2209                                .border_color(cx.theme().colors().border)
2210                                .bg(cx.theme().colors().editor_background)
2211                                .child(feedback_editor.clone())
2212                                .child(
2213                                    h_flex()
2214                                        .gap_1()
2215                                        .justify_end()
2216                                        .child(
2217                                            Button::new("dismiss-feedback-message", "Cancel")
2218                                                .label_size(LabelSize::Small)
2219                                                .key_binding(
2220                                                    KeyBinding::for_action_in(
2221                                                        &menu::Cancel,
2222                                                        &focus_handle,
2223                                                        window,
2224                                                        cx,
2225                                                    )
2226                                                    .map(|kb| kb.size(rems_from_px(10.))),
2227                                                )
2228                                                .on_click(cx.listener(
2229                                                    move |this, _, _window, cx| {
2230                                                        this.open_feedback_editors
2231                                                            .remove(&message_id);
2232                                                        cx.notify();
2233                                                    },
2234                                                )),
2235                                        )
2236                                        .child(
2237                                            Button::new(
2238                                                "submit-feedback-message",
2239                                                "Share Feedback",
2240                                            )
2241                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2242                                            .label_size(LabelSize::Small)
2243                                            .key_binding(
2244                                                KeyBinding::for_action_in(
2245                                                    &menu::Confirm,
2246                                                    &focus_handle,
2247                                                    window,
2248                                                    cx,
2249                                                )
2250                                                .map(|kb| kb.size(rems_from_px(10.))),
2251                                            )
2252                                            .on_click(
2253                                                cx.listener(move |this, _, _window, cx| {
2254                                                    this.submit_feedback_message(message_id, cx);
2255                                                    cx.notify()
2256                                                }),
2257                                            ),
2258                                        ),
2259                                ),
2260                        )
2261                    },
2262                )
2263            })
2264            .when(after_editing_message, |parent| {
2265                // Backdrop to dim out the whole thread below the editing user message
2266                parent.relative().child(backdrop)
2267            })
2268            .into_any()
2269    }
2270
2271    fn render_message_content(
2272        &self,
2273        message_id: MessageId,
2274        rendered_message: &RenderedMessage,
2275        has_tool_uses: bool,
2276        workspace: WeakEntity<Workspace>,
2277        window: &Window,
2278        cx: &Context<Self>,
2279    ) -> impl IntoElement {
2280        let is_last_message = self.messages.last() == Some(&message_id);
2281        let is_generating = self.thread.read(cx).is_generating();
2282        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
2283            rendered_message
2284                .segments
2285                .iter()
2286                .enumerate()
2287                .next_back()
2288                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
2289                .map(|(index, _)| index)
2290        } else {
2291            None
2292        };
2293
2294        let message_role = self
2295            .thread
2296            .read(cx)
2297            .message(message_id)
2298            .map(|m| m.role)
2299            .unwrap_or(Role::User);
2300
2301        let is_assistant_message = message_role == Role::Assistant;
2302        let is_user_message = message_role == Role::User;
2303
2304        v_flex()
2305            .text_ui(cx)
2306            .gap_2()
2307            .when(is_user_message, |this| this.text_xs())
2308            .children(
2309                rendered_message.segments.iter().enumerate().map(
2310                    |(index, segment)| match segment {
2311                        RenderedMessageSegment::Thinking {
2312                            content,
2313                            scroll_handle,
2314                        } => self
2315                            .render_message_thinking_segment(
2316                                message_id,
2317                                index,
2318                                content.clone(),
2319                                &scroll_handle,
2320                                Some(index) == pending_thinking_segment_index,
2321                                window,
2322                                cx,
2323                            )
2324                            .into_any_element(),
2325                        RenderedMessageSegment::Text(markdown) => {
2326                            let markdown_element = MarkdownElement::new(
2327                                markdown.clone(),
2328                                if is_user_message {
2329                                    let mut style = default_markdown_style(window, cx);
2330                                    let mut text_style = window.text_style();
2331                                    let theme_settings = ThemeSettings::get_global(cx);
2332
2333                                    let buffer_font = theme_settings.buffer_font.family.clone();
2334                                    let buffer_font_size = TextSize::Small.rems(cx);
2335
2336                                    text_style.refine(&TextStyleRefinement {
2337                                        font_family: Some(buffer_font),
2338                                        font_size: Some(buffer_font_size.into()),
2339                                        ..Default::default()
2340                                    });
2341
2342                                    style.base_text_style = text_style;
2343                                    style
2344                                } else {
2345                                    default_markdown_style(window, cx)
2346                                },
2347                            );
2348
2349                            let markdown_element = if is_assistant_message {
2350                                markdown_element.code_block_renderer(
2351                                    markdown::CodeBlockRenderer::Custom {
2352                                        render: Arc::new({
2353                                            let workspace = workspace.clone();
2354                                            let active_thread = cx.entity();
2355                                            move |kind,
2356                                                  parsed_markdown,
2357                                                  range,
2358                                                  metadata,
2359                                                  window,
2360                                                  cx| {
2361                                                render_markdown_code_block(
2362                                                    message_id,
2363                                                    range.start,
2364                                                    kind,
2365                                                    parsed_markdown,
2366                                                    metadata,
2367                                                    active_thread.clone(),
2368                                                    workspace.clone(),
2369                                                    window,
2370                                                    cx,
2371                                                )
2372                                            }
2373                                        }),
2374                                        transform: Some(Arc::new({
2375                                            let active_thread = cx.entity();
2376
2377                                            move |element, range, _, _, cx| {
2378                                                let is_expanded = active_thread
2379                                                    .read(cx)
2380                                                    .is_codeblock_expanded(message_id, range.start);
2381
2382                                                if is_expanded {
2383                                                    return element;
2384                                                }
2385
2386                                                element
2387                                            }
2388                                        })),
2389                                    },
2390                                )
2391                            } else {
2392                                markdown_element.code_block_renderer(
2393                                    markdown::CodeBlockRenderer::Default {
2394                                        copy_button: false,
2395                                        copy_button_on_hover: false,
2396                                        border: true,
2397                                    },
2398                                )
2399                            };
2400
2401                            div()
2402                                .child(markdown_element.on_url_click({
2403                                    let workspace = self.workspace.clone();
2404                                    move |text, window, cx| {
2405                                        open_markdown_link(text, workspace.clone(), window, cx);
2406                                    }
2407                                }))
2408                                .into_any_element()
2409                        }
2410                    },
2411                ),
2412            )
2413    }
2414
2415    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2416        cx.theme().colors().border.opacity(0.5)
2417    }
2418
2419    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2420        cx.theme()
2421            .colors()
2422            .element_background
2423            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2424    }
2425
2426    fn render_message_thinking_segment(
2427        &self,
2428        message_id: MessageId,
2429        ix: usize,
2430        markdown: Entity<Markdown>,
2431        scroll_handle: &ScrollHandle,
2432        pending: bool,
2433        window: &Window,
2434        cx: &Context<Self>,
2435    ) -> impl IntoElement {
2436        let is_open = self
2437            .expanded_thinking_segments
2438            .get(&(message_id, ix))
2439            .copied()
2440            .unwrap_or_default();
2441
2442        let editor_bg = cx.theme().colors().panel_background;
2443
2444        div().map(|this| {
2445            if pending {
2446                this.v_flex()
2447                    .mt_neg_2()
2448                    .mb_1p5()
2449                    .child(
2450                        h_flex()
2451                            .group("disclosure-header")
2452                            .justify_between()
2453                            .child(
2454                                h_flex()
2455                                    .gap_1p5()
2456                                    .child(
2457                                        Icon::new(IconName::LightBulb)
2458                                            .size(IconSize::XSmall)
2459                                            .color(Color::Muted),
2460                                    )
2461                                    .child(AnimatedLabel::new("Thinking").size(LabelSize::Small)),
2462                            )
2463                            .child(
2464                                h_flex()
2465                                    .gap_1()
2466                                    .child(
2467                                        div().visible_on_hover("disclosure-header").child(
2468                                            Disclosure::new("thinking-disclosure", is_open)
2469                                                .opened_icon(IconName::ChevronUp)
2470                                                .closed_icon(IconName::ChevronDown)
2471                                                .on_click(cx.listener({
2472                                                    move |this, _event, _window, _cx| {
2473                                                        let is_open = this
2474                                                            .expanded_thinking_segments
2475                                                            .entry((message_id, ix))
2476                                                            .or_insert(false);
2477
2478                                                        *is_open = !*is_open;
2479                                                    }
2480                                                })),
2481                                        ),
2482                                    )
2483                                    .child({
2484                                        Icon::new(IconName::ArrowCircle)
2485                                            .color(Color::Accent)
2486                                            .size(IconSize::Small)
2487                                            .with_animation(
2488                                                "arrow-circle",
2489                                                Animation::new(Duration::from_secs(2)).repeat(),
2490                                                |icon, delta| {
2491                                                    icon.transform(Transformation::rotate(
2492                                                        percentage(delta),
2493                                                    ))
2494                                                },
2495                                            )
2496                                    }),
2497                            ),
2498                    )
2499                    .when(!is_open, |this| {
2500                        let gradient_overlay = div()
2501                            .rounded_b_lg()
2502                            .h_full()
2503                            .absolute()
2504                            .w_full()
2505                            .bottom_0()
2506                            .left_0()
2507                            .bg(linear_gradient(
2508                                180.,
2509                                linear_color_stop(editor_bg, 1.),
2510                                linear_color_stop(editor_bg.opacity(0.2), 0.),
2511                            ));
2512
2513                        this.child(
2514                            div()
2515                                .relative()
2516                                .bg(editor_bg)
2517                                .rounded_b_lg()
2518                                .mt_2()
2519                                .pl_4()
2520                                .child(
2521                                    div()
2522                                        .id(("thinking-content", ix))
2523                                        .max_h_20()
2524                                        .track_scroll(scroll_handle)
2525                                        .text_ui_sm(cx)
2526                                        .overflow_hidden()
2527                                        .child(
2528                                            MarkdownElement::new(
2529                                                markdown.clone(),
2530                                                default_markdown_style(window, cx),
2531                                            )
2532                                            .on_url_click({
2533                                                let workspace = self.workspace.clone();
2534                                                move |text, window, cx| {
2535                                                    open_markdown_link(
2536                                                        text,
2537                                                        workspace.clone(),
2538                                                        window,
2539                                                        cx,
2540                                                    );
2541                                                }
2542                                            }),
2543                                        ),
2544                                )
2545                                .child(gradient_overlay),
2546                        )
2547                    })
2548                    .when(is_open, |this| {
2549                        this.child(
2550                            div()
2551                                .id(("thinking-content", ix))
2552                                .h_full()
2553                                .bg(editor_bg)
2554                                .text_ui_sm(cx)
2555                                .child(
2556                                    MarkdownElement::new(
2557                                        markdown.clone(),
2558                                        default_markdown_style(window, cx),
2559                                    )
2560                                    .on_url_click({
2561                                        let workspace = self.workspace.clone();
2562                                        move |text, window, cx| {
2563                                            open_markdown_link(text, workspace.clone(), window, cx);
2564                                        }
2565                                    }),
2566                                ),
2567                        )
2568                    })
2569            } else {
2570                this.v_flex()
2571                    .mt_neg_2()
2572                    .child(
2573                        h_flex()
2574                            .group("disclosure-header")
2575                            .pr_1()
2576                            .justify_between()
2577                            .opacity(0.8)
2578                            .hover(|style| style.opacity(1.))
2579                            .child(
2580                                h_flex()
2581                                    .gap_1p5()
2582                                    .child(
2583                                        Icon::new(IconName::LightBulb)
2584                                            .size(IconSize::XSmall)
2585                                            .color(Color::Muted),
2586                                    )
2587                                    .child(Label::new("Thought Process").size(LabelSize::Small)),
2588                            )
2589                            .child(
2590                                div().visible_on_hover("disclosure-header").child(
2591                                    Disclosure::new("thinking-disclosure", is_open)
2592                                        .opened_icon(IconName::ChevronUp)
2593                                        .closed_icon(IconName::ChevronDown)
2594                                        .on_click(cx.listener({
2595                                            move |this, _event, _window, _cx| {
2596                                                let is_open = this
2597                                                    .expanded_thinking_segments
2598                                                    .entry((message_id, ix))
2599                                                    .or_insert(false);
2600
2601                                                *is_open = !*is_open;
2602                                            }
2603                                        })),
2604                                ),
2605                            ),
2606                    )
2607                    .child(
2608                        div()
2609                            .id(("thinking-content", ix))
2610                            .relative()
2611                            .mt_1p5()
2612                            .ml_1p5()
2613                            .pl_2p5()
2614                            .border_l_1()
2615                            .border_color(cx.theme().colors().border_variant)
2616                            .text_ui_sm(cx)
2617                            .when(is_open, |this| {
2618                                this.child(
2619                                    MarkdownElement::new(
2620                                        markdown.clone(),
2621                                        default_markdown_style(window, cx),
2622                                    )
2623                                    .on_url_click({
2624                                        let workspace = self.workspace.clone();
2625                                        move |text, window, cx| {
2626                                            open_markdown_link(text, workspace.clone(), window, cx);
2627                                        }
2628                                    }),
2629                                )
2630                            }),
2631                    )
2632            }
2633        })
2634    }
2635
2636    fn render_tool_use(
2637        &self,
2638        tool_use: ToolUse,
2639        window: &mut Window,
2640        workspace: WeakEntity<Workspace>,
2641        cx: &mut Context<Self>,
2642    ) -> impl IntoElement + use<> {
2643        if let Some(card) = self.thread.read(cx).card_for_tool(&tool_use.id) {
2644            return card.render(&tool_use.status, window, workspace, cx);
2645        }
2646
2647        let is_open = self
2648            .expanded_tool_uses
2649            .get(&tool_use.id)
2650            .copied()
2651            .unwrap_or_default();
2652
2653        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
2654
2655        let fs = self
2656            .workspace
2657            .upgrade()
2658            .map(|workspace| workspace.read(cx).app_state().fs.clone());
2659        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
2660        let needs_confirmation_tools = tool_use.needs_confirmation;
2661
2662        let status_icons = div().child(match &tool_use.status {
2663            ToolUseStatus::NeedsConfirmation => {
2664                let icon = Icon::new(IconName::Warning)
2665                    .color(Color::Warning)
2666                    .size(IconSize::Small);
2667                icon.into_any_element()
2668            }
2669            ToolUseStatus::Pending
2670            | ToolUseStatus::InputStillStreaming
2671            | ToolUseStatus::Running => {
2672                let icon = Icon::new(IconName::ArrowCircle)
2673                    .color(Color::Accent)
2674                    .size(IconSize::Small);
2675                icon.with_animation(
2676                    "arrow-circle",
2677                    Animation::new(Duration::from_secs(2)).repeat(),
2678                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2679                )
2680                .into_any_element()
2681            }
2682            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
2683            ToolUseStatus::Error(_) => {
2684                let icon = Icon::new(IconName::Close)
2685                    .color(Color::Error)
2686                    .size(IconSize::Small);
2687                icon.into_any_element()
2688            }
2689        });
2690
2691        let rendered_tool_use = self.rendered_tool_uses.get(&tool_use.id).cloned();
2692        let results_content_container = || v_flex().p_2().gap_0p5();
2693
2694        let results_content = v_flex()
2695            .gap_1()
2696            .child(
2697                results_content_container()
2698                    .child(
2699                        Label::new("Input")
2700                            .size(LabelSize::XSmall)
2701                            .color(Color::Muted)
2702                            .buffer_font(cx),
2703                    )
2704                    .child(
2705                        div()
2706                            .w_full()
2707                            .text_ui_sm(cx)
2708                            .children(rendered_tool_use.as_ref().map(|rendered| {
2709                                MarkdownElement::new(
2710                                    rendered.input.clone(),
2711                                    tool_use_markdown_style(window, cx),
2712                                )
2713                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2714                                    copy_button: false,
2715                                    copy_button_on_hover: false,
2716                                    border: false,
2717                                })
2718                                .on_url_click({
2719                                    let workspace = self.workspace.clone();
2720                                    move |text, window, cx| {
2721                                        open_markdown_link(text, workspace.clone(), window, cx);
2722                                    }
2723                                })
2724                            })),
2725                    ),
2726            )
2727            .map(|container| match tool_use.status {
2728                ToolUseStatus::Finished(_) => container.child(
2729                    results_content_container()
2730                        .border_t_1()
2731                        .border_color(self.tool_card_border_color(cx))
2732                        .child(
2733                            Label::new("Result")
2734                                .size(LabelSize::XSmall)
2735                                .color(Color::Muted)
2736                                .buffer_font(cx),
2737                        )
2738                        .child(div().w_full().text_ui_sm(cx).children(
2739                            rendered_tool_use.as_ref().map(|rendered| {
2740                                MarkdownElement::new(
2741                                    rendered.output.clone(),
2742                                    tool_use_markdown_style(window, cx),
2743                                )
2744                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2745                                    copy_button: false,
2746                                    copy_button_on_hover: false,
2747                                    border: false,
2748                                })
2749                                .on_url_click({
2750                                    let workspace = self.workspace.clone();
2751                                    move |text, window, cx| {
2752                                        open_markdown_link(text, workspace.clone(), window, cx);
2753                                    }
2754                                })
2755                                .into_any_element()
2756                            }),
2757                        )),
2758                ),
2759                ToolUseStatus::InputStillStreaming | ToolUseStatus::Running => container.child(
2760                    results_content_container()
2761                        .border_t_1()
2762                        .border_color(self.tool_card_border_color(cx))
2763                        .child(
2764                            h_flex()
2765                                .gap_1()
2766                                .child(
2767                                    Icon::new(IconName::ArrowCircle)
2768                                        .size(IconSize::Small)
2769                                        .color(Color::Accent)
2770                                        .with_animation(
2771                                            "arrow-circle",
2772                                            Animation::new(Duration::from_secs(2)).repeat(),
2773                                            |icon, delta| {
2774                                                icon.transform(Transformation::rotate(percentage(
2775                                                    delta,
2776                                                )))
2777                                            },
2778                                        ),
2779                                )
2780                                .child(
2781                                    Label::new("Running…")
2782                                        .size(LabelSize::XSmall)
2783                                        .color(Color::Muted)
2784                                        .buffer_font(cx),
2785                                ),
2786                        ),
2787                ),
2788                ToolUseStatus::Error(_) => container.child(
2789                    results_content_container()
2790                        .border_t_1()
2791                        .border_color(self.tool_card_border_color(cx))
2792                        .child(
2793                            Label::new("Error")
2794                                .size(LabelSize::XSmall)
2795                                .color(Color::Muted)
2796                                .buffer_font(cx),
2797                        )
2798                        .child(
2799                            div()
2800                                .text_ui_sm(cx)
2801                                .children(rendered_tool_use.as_ref().map(|rendered| {
2802                                    MarkdownElement::new(
2803                                        rendered.output.clone(),
2804                                        tool_use_markdown_style(window, cx),
2805                                    )
2806                                    .on_url_click({
2807                                        let workspace = self.workspace.clone();
2808                                        move |text, window, cx| {
2809                                            open_markdown_link(text, workspace.clone(), window, cx);
2810                                        }
2811                                    })
2812                                    .into_any_element()
2813                                })),
2814                        ),
2815                ),
2816                ToolUseStatus::Pending => container,
2817                ToolUseStatus::NeedsConfirmation => container.child(
2818                    results_content_container()
2819                        .border_t_1()
2820                        .border_color(self.tool_card_border_color(cx))
2821                        .child(
2822                            Label::new("Asking Permission")
2823                                .size(LabelSize::Small)
2824                                .color(Color::Muted)
2825                                .buffer_font(cx),
2826                        ),
2827                ),
2828            });
2829
2830        let gradient_overlay = |color: Hsla| {
2831            div()
2832                .h_full()
2833                .absolute()
2834                .w_12()
2835                .bottom_0()
2836                .map(|element| {
2837                    if is_status_finished {
2838                        element.right_6()
2839                    } else {
2840                        element.right(px(44.))
2841                    }
2842                })
2843                .bg(linear_gradient(
2844                    90.,
2845                    linear_color_stop(color, 1.),
2846                    linear_color_stop(color.opacity(0.2), 0.),
2847                ))
2848        };
2849
2850        v_flex().gap_1().mb_2().map(|element| {
2851            if !needs_confirmation_tools {
2852                element.child(
2853                    v_flex()
2854                        .child(
2855                            h_flex()
2856                                .group("disclosure-header")
2857                                .relative()
2858                                .gap_1p5()
2859                                .justify_between()
2860                                .opacity(0.8)
2861                                .hover(|style| style.opacity(1.))
2862                                .when(!is_status_finished, |this| this.pr_2())
2863                                .child(
2864                                    h_flex()
2865                                        .id("tool-label-container")
2866                                        .gap_1p5()
2867                                        .max_w_full()
2868                                        .overflow_x_scroll()
2869                                        .child(
2870                                            Icon::new(tool_use.icon)
2871                                                .size(IconSize::XSmall)
2872                                                .color(Color::Muted),
2873                                        )
2874                                        .child(
2875                                            h_flex().pr_8().text_size(rems(0.8125)).children(
2876                                                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| {
2877                                                    open_markdown_link(text, workspace.clone(), window, cx);
2878                                                }}))
2879                                            ),
2880                                        ),
2881                                )
2882                                .child(
2883                                    h_flex()
2884                                        .gap_1()
2885                                        .child(
2886                                            div().visible_on_hover("disclosure-header").child(
2887                                                Disclosure::new("tool-use-disclosure", is_open)
2888                                                    .opened_icon(IconName::ChevronUp)
2889                                                    .closed_icon(IconName::ChevronDown)
2890                                                    .on_click(cx.listener({
2891                                                        let tool_use_id = tool_use.id.clone();
2892                                                        move |this, _event, _window, _cx| {
2893                                                            let is_open = this
2894                                                                .expanded_tool_uses
2895                                                                .entry(tool_use_id.clone())
2896                                                                .or_insert(false);
2897
2898                                                            *is_open = !*is_open;
2899                                                        }
2900                                                    })),
2901                                            ),
2902                                        )
2903                                        .child(status_icons),
2904                                )
2905                                .child(gradient_overlay(cx.theme().colors().panel_background)),
2906                        )
2907                        .map(|parent| {
2908                            if !is_open {
2909                                return parent;
2910                            }
2911
2912                            parent.child(
2913                                v_flex()
2914                                    .mt_1()
2915                                    .border_1()
2916                                    .border_color(self.tool_card_border_color(cx))
2917                                    .bg(cx.theme().colors().editor_background)
2918                                    .rounded_lg()
2919                                    .child(results_content),
2920                            )
2921                        }),
2922                )
2923            } else {
2924                v_flex()
2925                    .mb_2()
2926                    .rounded_lg()
2927                    .border_1()
2928                    .border_color(self.tool_card_border_color(cx))
2929                    .overflow_hidden()
2930                    .child(
2931                        h_flex()
2932                            .group("disclosure-header")
2933                            .relative()
2934                            .justify_between()
2935                            .py_1()
2936                            .map(|element| {
2937                                if is_status_finished {
2938                                    element.pl_2().pr_0p5()
2939                                } else {
2940                                    element.px_2()
2941                                }
2942                            })
2943                            .bg(self.tool_card_header_bg(cx))
2944                            .map(|element| {
2945                                if is_open {
2946                                    element.border_b_1().rounded_t_md()
2947                                } else if needs_confirmation {
2948                                    element.rounded_t_md()
2949                                } else {
2950                                    element.rounded_md()
2951                                }
2952                            })
2953                            .border_color(self.tool_card_border_color(cx))
2954                            .child(
2955                                h_flex()
2956                                    .id("tool-label-container")
2957                                    .gap_1p5()
2958                                    .max_w_full()
2959                                    .overflow_x_scroll()
2960                                    .child(
2961                                        Icon::new(tool_use.icon)
2962                                            .size(IconSize::XSmall)
2963                                            .color(Color::Muted),
2964                                    )
2965                                    .child(
2966                                        h_flex().pr_8().text_ui_sm(cx).children(
2967                                            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| {
2968                                                open_markdown_link(text, workspace.clone(), window, cx);
2969                                            }}))
2970                                        ),
2971                                    ),
2972                            )
2973                            .child(
2974                                h_flex()
2975                                    .gap_1()
2976                                    .child(
2977                                        div().visible_on_hover("disclosure-header").child(
2978                                            Disclosure::new("tool-use-disclosure", is_open)
2979                                                .opened_icon(IconName::ChevronUp)
2980                                                .closed_icon(IconName::ChevronDown)
2981                                                .on_click(cx.listener({
2982                                                    let tool_use_id = tool_use.id.clone();
2983                                                    move |this, _event, _window, _cx| {
2984                                                        let is_open = this
2985                                                            .expanded_tool_uses
2986                                                            .entry(tool_use_id.clone())
2987                                                            .or_insert(false);
2988
2989                                                        *is_open = !*is_open;
2990                                                    }
2991                                                })),
2992                                        ),
2993                                    )
2994                                    .child(status_icons),
2995                            )
2996                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
2997                    )
2998                    .map(|parent| {
2999                        if !is_open {
3000                            return parent;
3001                        }
3002
3003                        parent.child(
3004                            v_flex()
3005                                .bg(cx.theme().colors().editor_background)
3006                                .map(|element| {
3007                                    if  needs_confirmation {
3008                                        element.rounded_none()
3009                                    } else {
3010                                        element.rounded_b_lg()
3011                                    }
3012                                })
3013                                .child(results_content),
3014                        )
3015                    })
3016                    .when(needs_confirmation, |this| {
3017                        this.child(
3018                            h_flex()
3019                                .py_1()
3020                                .pl_2()
3021                                .pr_1()
3022                                .gap_1()
3023                                .justify_between()
3024                                .bg(cx.theme().colors().editor_background)
3025                                .border_t_1()
3026                                .border_color(self.tool_card_border_color(cx))
3027                                .rounded_b_lg()
3028                                .child(
3029                                    AnimatedLabel::new("Waiting for Confirmation").size(LabelSize::Small)
3030                                )
3031                                .child(
3032                                    h_flex()
3033                                        .gap_0p5()
3034                                        .child({
3035                                            let tool_id = tool_use.id.clone();
3036                                            Button::new(
3037                                                "always-allow-tool-action",
3038                                                "Always Allow",
3039                                            )
3040                                            .label_size(LabelSize::Small)
3041                                            .icon(IconName::CheckDouble)
3042                                            .icon_position(IconPosition::Start)
3043                                            .icon_size(IconSize::Small)
3044                                            .icon_color(Color::Success)
3045                                            .tooltip(move |window, cx|  {
3046                                                Tooltip::with_meta(
3047                                                    "Never ask for permission",
3048                                                    None,
3049                                                    "Restore the original behavior in your Agent Panel settings",
3050                                                    window,
3051                                                    cx,
3052                                                )
3053                                            })
3054                                            .on_click(cx.listener(
3055                                                move |this, event, window, cx| {
3056                                                    if let Some(fs) = fs.clone() {
3057                                                        update_settings_file::<AssistantSettings>(
3058                                                            fs.clone(),
3059                                                            cx,
3060                                                            |settings, _| {
3061                                                                settings.set_always_allow_tool_actions(true);
3062                                                            },
3063                                                        );
3064                                                    }
3065                                                    this.handle_allow_tool(
3066                                                        tool_id.clone(),
3067                                                        event,
3068                                                        window,
3069                                                        cx,
3070                                                    )
3071                                                },
3072                                            ))
3073                                        })
3074                                        .child(ui::Divider::vertical())
3075                                        .child({
3076                                            let tool_id = tool_use.id.clone();
3077                                            Button::new("allow-tool-action", "Allow")
3078                                                .label_size(LabelSize::Small)
3079                                                .icon(IconName::Check)
3080                                                .icon_position(IconPosition::Start)
3081                                                .icon_size(IconSize::Small)
3082                                                .icon_color(Color::Success)
3083                                                .on_click(cx.listener(
3084                                                    move |this, event, window, cx| {
3085                                                        this.handle_allow_tool(
3086                                                            tool_id.clone(),
3087                                                            event,
3088                                                            window,
3089                                                            cx,
3090                                                        )
3091                                                    },
3092                                                ))
3093                                        })
3094                                        .child({
3095                                            let tool_id = tool_use.id.clone();
3096                                            let tool_name: Arc<str> = tool_use.name.into();
3097                                            Button::new("deny-tool", "Deny")
3098                                                .label_size(LabelSize::Small)
3099                                                .icon(IconName::Close)
3100                                                .icon_position(IconPosition::Start)
3101                                                .icon_size(IconSize::Small)
3102                                                .icon_color(Color::Error)
3103                                                .on_click(cx.listener(
3104                                                    move |this, event, window, cx| {
3105                                                        this.handle_deny_tool(
3106                                                            tool_id.clone(),
3107                                                            tool_name.clone(),
3108                                                            event,
3109                                                            window,
3110                                                            cx,
3111                                                        )
3112                                                    },
3113                                                ))
3114                                        }),
3115                                ),
3116                        )
3117                    })
3118            }
3119        }).into_any_element()
3120    }
3121
3122    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
3123        let project_context = self.thread.read(cx).project_context();
3124        let project_context = project_context.borrow();
3125        let Some(project_context) = project_context.as_ref() else {
3126            return div().into_any();
3127        };
3128
3129        let user_rules_text = if project_context.user_rules.is_empty() {
3130            None
3131        } else if project_context.user_rules.len() == 1 {
3132            let user_rules = &project_context.user_rules[0];
3133
3134            match user_rules.title.as_ref() {
3135                Some(title) => Some(format!("Using \"{title}\" user rule")),
3136                None => Some("Using user rule".into()),
3137            }
3138        } else {
3139            Some(format!(
3140                "Using {} user rules",
3141                project_context.user_rules.len()
3142            ))
3143        };
3144
3145        let first_user_rules_id = project_context
3146            .user_rules
3147            .first()
3148            .map(|user_rules| user_rules.uuid.0);
3149
3150        let rules_files = project_context
3151            .worktrees
3152            .iter()
3153            .filter_map(|worktree| worktree.rules_file.as_ref())
3154            .collect::<Vec<_>>();
3155
3156        let rules_file_text = match rules_files.as_slice() {
3157            &[] => None,
3158            &[rules_file] => Some(format!(
3159                "Using project {:?} file",
3160                rules_file.path_in_worktree
3161            )),
3162            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3163        };
3164
3165        if user_rules_text.is_none() && rules_file_text.is_none() {
3166            return div().into_any();
3167        }
3168
3169        v_flex()
3170            .pt_2()
3171            .px_2p5()
3172            .gap_1()
3173            .when_some(user_rules_text, |parent, user_rules_text| {
3174                parent.child(
3175                    h_flex()
3176                        .w_full()
3177                        .child(
3178                            Icon::new(RULES_ICON)
3179                                .size(IconSize::XSmall)
3180                                .color(Color::Disabled),
3181                        )
3182                        .child(
3183                            Label::new(user_rules_text)
3184                                .size(LabelSize::XSmall)
3185                                .color(Color::Muted)
3186                                .truncate()
3187                                .buffer_font(cx)
3188                                .ml_1p5()
3189                                .mr_0p5(),
3190                        )
3191                        .child(
3192                            IconButton::new("open-prompt-library", IconName::ArrowUpRightAlt)
3193                                .shape(ui::IconButtonShape::Square)
3194                                .icon_size(IconSize::XSmall)
3195                                .icon_color(Color::Ignored)
3196                                // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
3197                                .tooltip(Tooltip::text("View User Rules"))
3198                                .on_click(move |_event, window, cx| {
3199                                    window.dispatch_action(
3200                                        Box::new(OpenRulesLibrary {
3201                                            prompt_to_select: first_user_rules_id,
3202                                        }),
3203                                        cx,
3204                                    )
3205                                }),
3206                        ),
3207                )
3208            })
3209            .when_some(rules_file_text, |parent, rules_file_text| {
3210                parent.child(
3211                    h_flex()
3212                        .w_full()
3213                        .child(
3214                            Icon::new(IconName::File)
3215                                .size(IconSize::XSmall)
3216                                .color(Color::Disabled),
3217                        )
3218                        .child(
3219                            Label::new(rules_file_text)
3220                                .size(LabelSize::XSmall)
3221                                .color(Color::Muted)
3222                                .buffer_font(cx)
3223                                .ml_1p5()
3224                                .mr_0p5(),
3225                        )
3226                        .child(
3227                            IconButton::new("open-rule", IconName::ArrowUpRightAlt)
3228                                .shape(ui::IconButtonShape::Square)
3229                                .icon_size(IconSize::XSmall)
3230                                .icon_color(Color::Ignored)
3231                                .on_click(cx.listener(Self::handle_open_rules))
3232                                .tooltip(Tooltip::text("View Rules")),
3233                        ),
3234                )
3235            })
3236            .into_any()
3237    }
3238
3239    fn handle_allow_tool(
3240        &mut self,
3241        tool_use_id: LanguageModelToolUseId,
3242        _: &ClickEvent,
3243        window: &mut Window,
3244        cx: &mut Context<Self>,
3245    ) {
3246        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
3247            .thread
3248            .read(cx)
3249            .pending_tool(&tool_use_id)
3250            .map(|tool_use| tool_use.status.clone())
3251        {
3252            self.thread.update(cx, |thread, cx| {
3253                if let Some(configured) = thread.get_or_init_configured_model(cx) {
3254                    thread.run_tool(
3255                        c.tool_use_id.clone(),
3256                        c.ui_text.clone(),
3257                        c.input.clone(),
3258                        c.request.clone(),
3259                        c.tool.clone(),
3260                        configured.model,
3261                        Some(window.window_handle()),
3262                        cx,
3263                    );
3264                }
3265            });
3266        }
3267    }
3268
3269    fn handle_deny_tool(
3270        &mut self,
3271        tool_use_id: LanguageModelToolUseId,
3272        tool_name: Arc<str>,
3273        _: &ClickEvent,
3274        window: &mut Window,
3275        cx: &mut Context<Self>,
3276    ) {
3277        let window_handle = window.window_handle();
3278        self.thread.update(cx, |thread, cx| {
3279            thread.deny_tool_use(tool_use_id, tool_name, Some(window_handle), cx);
3280        });
3281    }
3282
3283    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
3284        let project_context = self.thread.read(cx).project_context();
3285        let project_context = project_context.borrow();
3286        let Some(project_context) = project_context.as_ref() else {
3287            return;
3288        };
3289
3290        let project_entry_ids = project_context
3291            .worktrees
3292            .iter()
3293            .flat_map(|worktree| worktree.rules_file.as_ref())
3294            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
3295            .collect::<Vec<_>>();
3296
3297        self.workspace
3298            .update(cx, move |workspace, cx| {
3299                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
3300                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
3301                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
3302                let project = workspace.project().read(cx);
3303                let project_paths = project_entry_ids
3304                    .into_iter()
3305                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
3306                    .collect::<Vec<_>>();
3307                for project_path in project_paths {
3308                    workspace
3309                        .open_path(project_path, None, true, window, cx)
3310                        .detach_and_log_err(cx);
3311                }
3312            })
3313            .ok();
3314    }
3315
3316    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
3317        for window in self.notifications.drain(..) {
3318            window
3319                .update(cx, |_, window, _| {
3320                    window.remove_window();
3321                })
3322                .ok();
3323
3324            self.notification_subscriptions.remove(&window);
3325        }
3326    }
3327
3328    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
3329        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
3330            return None;
3331        }
3332
3333        Some(
3334            div()
3335                .occlude()
3336                .id("active-thread-scrollbar")
3337                .on_mouse_move(cx.listener(|_, _, _, cx| {
3338                    cx.notify();
3339                    cx.stop_propagation()
3340                }))
3341                .on_hover(|_, _, cx| {
3342                    cx.stop_propagation();
3343                })
3344                .on_any_mouse_down(|_, _, cx| {
3345                    cx.stop_propagation();
3346                })
3347                .on_mouse_up(
3348                    MouseButton::Left,
3349                    cx.listener(|_, _, _, cx| {
3350                        cx.stop_propagation();
3351                    }),
3352                )
3353                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3354                    cx.notify();
3355                }))
3356                .h_full()
3357                .absolute()
3358                .right_1()
3359                .top_1()
3360                .bottom_0()
3361                .w(px(12.))
3362                .cursor_default()
3363                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
3364        )
3365    }
3366
3367    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
3368        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
3369        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
3370            cx.background_executor()
3371                .timer(SCROLLBAR_SHOW_INTERVAL)
3372                .await;
3373            thread
3374                .update(cx, |thread, cx| {
3375                    if !thread.scrollbar_state.is_dragging() {
3376                        thread.show_scrollbar = false;
3377                        cx.notify();
3378                    }
3379                })
3380                .log_err();
3381        }))
3382    }
3383
3384    pub fn is_codeblock_expanded(&self, message_id: MessageId, ix: usize) -> bool {
3385        self.expanded_code_blocks
3386            .get(&(message_id, ix))
3387            .copied()
3388            .unwrap_or(true)
3389    }
3390
3391    pub fn toggle_codeblock_expanded(&mut self, message_id: MessageId, ix: usize) {
3392        let is_expanded = self
3393            .expanded_code_blocks
3394            .entry((message_id, ix))
3395            .or_insert(true);
3396        *is_expanded = !*is_expanded;
3397    }
3398
3399    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3400        self.list_state.reset(self.messages.len());
3401        cx.notify();
3402    }
3403}
3404
3405pub enum ActiveThreadEvent {
3406    EditingMessageTokenCountChanged,
3407}
3408
3409impl EventEmitter<ActiveThreadEvent> for ActiveThread {}
3410
3411impl Render for ActiveThread {
3412    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3413        v_flex()
3414            .size_full()
3415            .relative()
3416            .bg(cx.theme().colors().panel_background)
3417            .on_mouse_move(cx.listener(|this, _, _, cx| {
3418                this.show_scrollbar = true;
3419                this.hide_scrollbar_later(cx);
3420                cx.notify();
3421            }))
3422            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
3423                this.show_scrollbar = true;
3424                this.hide_scrollbar_later(cx);
3425                cx.notify();
3426            }))
3427            .on_mouse_up(
3428                MouseButton::Left,
3429                cx.listener(|this, _, _, cx| {
3430                    this.hide_scrollbar_later(cx);
3431                }),
3432            )
3433            .child(list(self.list_state.clone()).flex_grow())
3434            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
3435                this.child(scrollbar)
3436            })
3437    }
3438}
3439
3440pub(crate) fn open_active_thread_as_markdown(
3441    thread: Entity<Thread>,
3442    workspace: Entity<Workspace>,
3443    window: &mut Window,
3444    cx: &mut App,
3445) -> Task<anyhow::Result<()>> {
3446    let markdown_language_task = workspace
3447        .read(cx)
3448        .app_state()
3449        .languages
3450        .language_for_name("Markdown");
3451
3452    window.spawn(cx, async move |cx| {
3453        let markdown_language = markdown_language_task.await?;
3454
3455        workspace.update_in(cx, |workspace, window, cx| {
3456            let thread = thread.read(cx);
3457            let markdown = thread.to_markdown(cx)?;
3458            let thread_summary = thread.summary().or_default().to_string();
3459
3460            let project = workspace.project().clone();
3461
3462            if !project.read(cx).is_local() {
3463                anyhow::bail!("failed to open active thread as markdown in remote project");
3464            }
3465
3466            let buffer = project.update(cx, |project, cx| {
3467                project.create_local_buffer(&markdown, Some(markdown_language), cx)
3468            });
3469            let buffer =
3470                cx.new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone()));
3471
3472            workspace.add_item_to_active_pane(
3473                Box::new(cx.new(|cx| {
3474                    let mut editor =
3475                        Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3476                    editor.set_breadcrumb_header(thread_summary);
3477                    editor
3478                })),
3479                None,
3480                true,
3481                window,
3482                cx,
3483            );
3484
3485            anyhow::Ok(())
3486        })??;
3487        anyhow::Ok(())
3488    })
3489}
3490
3491pub(crate) fn open_context(
3492    context: &AgentContextHandle,
3493    workspace: Entity<Workspace>,
3494    window: &mut Window,
3495    cx: &mut App,
3496) {
3497    match context {
3498        AgentContextHandle::File(file_context) => {
3499            if let Some(project_path) = file_context.project_path(cx) {
3500                workspace.update(cx, |workspace, cx| {
3501                    workspace
3502                        .open_path(project_path, None, true, window, cx)
3503                        .detach_and_log_err(cx);
3504                });
3505            }
3506        }
3507
3508        AgentContextHandle::Directory(directory_context) => {
3509            let entry_id = directory_context.entry_id;
3510            workspace.update(cx, |workspace, cx| {
3511                workspace.project().update(cx, |_project, cx| {
3512                    cx.emit(project::Event::RevealInProjectPanel(entry_id));
3513                })
3514            })
3515        }
3516
3517        AgentContextHandle::Symbol(symbol_context) => {
3518            let buffer = symbol_context.buffer.read(cx);
3519            if let Some(project_path) = buffer.project_path(cx) {
3520                let snapshot = buffer.snapshot();
3521                let target_position = symbol_context.range.start.to_point(&snapshot);
3522                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3523                    .detach();
3524            }
3525        }
3526
3527        AgentContextHandle::Selection(selection_context) => {
3528            let buffer = selection_context.buffer.read(cx);
3529            if let Some(project_path) = buffer.project_path(cx) {
3530                let snapshot = buffer.snapshot();
3531                let target_position = selection_context.range.start.to_point(&snapshot);
3532
3533                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3534                    .detach();
3535            }
3536        }
3537
3538        AgentContextHandle::FetchedUrl(fetched_url_context) => {
3539            cx.open_url(&fetched_url_context.url);
3540        }
3541
3542        AgentContextHandle::Thread(thread_context) => workspace.update(cx, |workspace, cx| {
3543            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3544                panel.update(cx, |panel, cx| {
3545                    panel.open_thread(thread_context.thread.clone(), window, cx);
3546                });
3547            }
3548        }),
3549
3550        AgentContextHandle::TextThread(text_thread_context) => {
3551            workspace.update(cx, |workspace, cx| {
3552                if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3553                    panel.update(cx, |panel, cx| {
3554                        panel.open_prompt_editor(text_thread_context.context.clone(), window, cx)
3555                    });
3556                }
3557            })
3558        }
3559
3560        AgentContextHandle::Rules(rules_context) => window.dispatch_action(
3561            Box::new(OpenRulesLibrary {
3562                prompt_to_select: Some(rules_context.prompt_id.0),
3563            }),
3564            cx,
3565        ),
3566
3567        AgentContextHandle::Image(_) => {}
3568    }
3569}
3570
3571fn open_editor_at_position(
3572    project_path: project::ProjectPath,
3573    target_position: Point,
3574    workspace: &Entity<Workspace>,
3575    window: &mut Window,
3576    cx: &mut App,
3577) -> Task<()> {
3578    let open_task = workspace.update(cx, |workspace, cx| {
3579        workspace.open_path(project_path, None, true, window, cx)
3580    });
3581    window.spawn(cx, async move |cx| {
3582        if let Some(active_editor) = open_task
3583            .await
3584            .log_err()
3585            .and_then(|item| item.downcast::<Editor>())
3586        {
3587            active_editor
3588                .downgrade()
3589                .update_in(cx, |editor, window, cx| {
3590                    editor.go_to_singleton_buffer_point(target_position, window, cx);
3591                })
3592                .log_err();
3593        }
3594    })
3595}