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;
  57use zed_llm_client::CompletionIntent;
  58
  59pub struct ActiveThread {
  60    context_store: Entity<ContextStore>,
  61    language_registry: Arc<LanguageRegistry>,
  62    thread_store: Entity<ThreadStore>,
  63    text_thread_store: Entity<TextThreadStore>,
  64    thread: Entity<Thread>,
  65    workspace: WeakEntity<Workspace>,
  66    save_thread_task: Option<Task<()>>,
  67    messages: Vec<MessageId>,
  68    list_state: ListState,
  69    scrollbar_state: ScrollbarState,
  70    show_scrollbar: bool,
  71    hide_scrollbar_task: Option<Task<()>>,
  72    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  73    rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
  74    editing_message: Option<(MessageId, EditingMessageState)>,
  75    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  76    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  77    expanded_code_blocks: HashMap<(MessageId, usize), bool>,
  78    last_error: Option<ThreadError>,
  79    notifications: Vec<WindowHandle<AgentNotification>>,
  80    copied_code_block_ids: HashSet<(MessageId, usize)>,
  81    _subscriptions: Vec<Subscription>,
  82    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  83    open_feedback_editors: HashMap<MessageId, Entity<Editor>>,
  84    _load_edited_message_context_task: Option<Task<()>>,
  85}
  86
  87struct RenderedMessage {
  88    language_registry: Arc<LanguageRegistry>,
  89    segments: Vec<RenderedMessageSegment>,
  90}
  91
  92#[derive(Clone)]
  93struct RenderedToolUse {
  94    label: Entity<Markdown>,
  95    input: Entity<Markdown>,
  96    output: Entity<Markdown>,
  97}
  98
  99impl RenderedMessage {
 100    fn from_segments(
 101        segments: &[MessageSegment],
 102        language_registry: Arc<LanguageRegistry>,
 103        cx: &mut App,
 104    ) -> Self {
 105        let mut this = Self {
 106            language_registry,
 107            segments: Vec::with_capacity(segments.len()),
 108        };
 109        for segment in segments {
 110            this.push_segment(segment, cx);
 111        }
 112        this
 113    }
 114
 115    fn append_thinking(&mut self, text: &String, cx: &mut App) {
 116        if let Some(RenderedMessageSegment::Thinking {
 117            content,
 118            scroll_handle,
 119        }) = self.segments.last_mut()
 120        {
 121            content.update(cx, |markdown, cx| {
 122                markdown.append(text, cx);
 123            });
 124            scroll_handle.scroll_to_bottom();
 125        } else {
 126            self.segments.push(RenderedMessageSegment::Thinking {
 127                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 128                scroll_handle: ScrollHandle::default(),
 129            });
 130        }
 131    }
 132
 133    fn append_text(&mut self, text: &String, cx: &mut App) {
 134        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 135            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 136        } else {
 137            self.segments
 138                .push(RenderedMessageSegment::Text(parse_markdown(
 139                    SharedString::from(text),
 140                    self.language_registry.clone(),
 141                    cx,
 142                )));
 143        }
 144    }
 145
 146    fn push_segment(&mut self, segment: &MessageSegment, cx: &mut App) {
 147        match segment {
 148            MessageSegment::Thinking { text, .. } => {
 149                self.segments.push(RenderedMessageSegment::Thinking {
 150                    content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 151                    scroll_handle: ScrollHandle::default(),
 152                })
 153            }
 154            MessageSegment::Text(text) => {
 155                self.segments
 156                    .push(RenderedMessageSegment::Text(parse_markdown(
 157                        text.into(),
 158                        self.language_registry.clone(),
 159                        cx,
 160                    )))
 161            }
 162            MessageSegment::RedactedThinking(_) => {}
 163        };
 164    }
 165}
 166
 167enum RenderedMessageSegment {
 168    Thinking {
 169        content: Entity<Markdown>,
 170        scroll_handle: ScrollHandle,
 171    },
 172    Text(Entity<Markdown>),
 173}
 174
 175fn parse_markdown(
 176    text: SharedString,
 177    language_registry: Arc<LanguageRegistry>,
 178    cx: &mut App,
 179) -> Entity<Markdown> {
 180    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 181}
 182
 183pub(crate) fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 184    let theme_settings = ThemeSettings::get_global(cx);
 185    let colors = cx.theme().colors();
 186    let ui_font_size = TextSize::Default.rems(cx);
 187    let buffer_font_size = TextSize::Small.rems(cx);
 188    let mut text_style = window.text_style();
 189    let line_height = buffer_font_size * 1.75;
 190
 191    text_style.refine(&TextStyleRefinement {
 192        font_family: Some(theme_settings.ui_font.family.clone()),
 193        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 194        font_features: Some(theme_settings.ui_font.features.clone()),
 195        font_size: Some(ui_font_size.into()),
 196        line_height: Some(line_height.into()),
 197        color: Some(cx.theme().colors().text),
 198        ..Default::default()
 199    });
 200
 201    MarkdownStyle {
 202        base_text_style: text_style.clone(),
 203        syntax: cx.theme().syntax().clone(),
 204        selection_background_color: cx.theme().players().local().selection,
 205        code_block_overflow_x_scroll: true,
 206        table_overflow_x_scroll: true,
 207        heading_level_styles: Some(HeadingLevelStyles {
 208            h1: Some(TextStyleRefinement {
 209                font_size: Some(rems(1.15).into()),
 210                ..Default::default()
 211            }),
 212            h2: Some(TextStyleRefinement {
 213                font_size: Some(rems(1.1).into()),
 214                ..Default::default()
 215            }),
 216            h3: Some(TextStyleRefinement {
 217                font_size: Some(rems(1.05).into()),
 218                ..Default::default()
 219            }),
 220            h4: Some(TextStyleRefinement {
 221                font_size: Some(rems(1.).into()),
 222                ..Default::default()
 223            }),
 224            h5: Some(TextStyleRefinement {
 225                font_size: Some(rems(0.95).into()),
 226                ..Default::default()
 227            }),
 228            h6: Some(TextStyleRefinement {
 229                font_size: Some(rems(0.875).into()),
 230                ..Default::default()
 231            }),
 232        }),
 233        code_block: StyleRefinement {
 234            padding: EdgesRefinement {
 235                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 236                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 237                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 238                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 239            },
 240            background: Some(colors.editor_background.into()),
 241            text: Some(TextStyleRefinement {
 242                font_family: Some(theme_settings.buffer_font.family.clone()),
 243                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 244                font_features: Some(theme_settings.buffer_font.features.clone()),
 245                font_size: Some(buffer_font_size.into()),
 246                ..Default::default()
 247            }),
 248            ..Default::default()
 249        },
 250        inline_code: TextStyleRefinement {
 251            font_family: Some(theme_settings.buffer_font.family.clone()),
 252            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 253            font_features: Some(theme_settings.buffer_font.features.clone()),
 254            font_size: Some(buffer_font_size.into()),
 255            background_color: Some(colors.editor_foreground.opacity(0.08)),
 256            ..Default::default()
 257        },
 258        link: TextStyleRefinement {
 259            background_color: Some(colors.editor_foreground.opacity(0.025)),
 260            underline: Some(UnderlineStyle {
 261                color: Some(colors.text_accent.opacity(0.5)),
 262                thickness: px(1.),
 263                ..Default::default()
 264            }),
 265            ..Default::default()
 266        },
 267        link_callback: Some(Rc::new(move |url, cx| {
 268            if MentionLink::is_valid(url) {
 269                let colors = cx.theme().colors();
 270                Some(TextStyleRefinement {
 271                    background_color: Some(colors.element_background),
 272                    ..Default::default()
 273                })
 274            } else {
 275                None
 276            }
 277        })),
 278        ..Default::default()
 279    }
 280}
 281
 282fn tool_use_markdown_style(window: &Window, cx: &mut App) -> MarkdownStyle {
 283    let theme_settings = ThemeSettings::get_global(cx);
 284    let colors = cx.theme().colors();
 285    let ui_font_size = TextSize::Default.rems(cx);
 286    let buffer_font_size = TextSize::Small.rems(cx);
 287    let mut text_style = window.text_style();
 288
 289    text_style.refine(&TextStyleRefinement {
 290        font_family: Some(theme_settings.ui_font.family.clone()),
 291        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 292        font_features: Some(theme_settings.ui_font.features.clone()),
 293        font_size: Some(ui_font_size.into()),
 294        color: Some(cx.theme().colors().text),
 295        ..Default::default()
 296    });
 297
 298    MarkdownStyle {
 299        base_text_style: text_style,
 300        syntax: cx.theme().syntax().clone(),
 301        selection_background_color: cx.theme().players().local().selection,
 302        code_block_overflow_x_scroll: true,
 303        code_block: StyleRefinement {
 304            margin: EdgesRefinement::default(),
 305            padding: EdgesRefinement::default(),
 306            background: Some(colors.editor_background.into()),
 307            border_color: None,
 308            border_widths: EdgesRefinement::default(),
 309            text: Some(TextStyleRefinement {
 310                font_family: Some(theme_settings.buffer_font.family.clone()),
 311                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 312                font_features: Some(theme_settings.buffer_font.features.clone()),
 313                font_size: Some(buffer_font_size.into()),
 314                ..Default::default()
 315            }),
 316            ..Default::default()
 317        },
 318        inline_code: TextStyleRefinement {
 319            font_family: Some(theme_settings.buffer_font.family.clone()),
 320            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 321            font_features: Some(theme_settings.buffer_font.features.clone()),
 322            font_size: Some(TextSize::XSmall.rems(cx).into()),
 323            ..Default::default()
 324        },
 325        heading: StyleRefinement {
 326            text: Some(TextStyleRefinement {
 327                font_size: Some(ui_font_size.into()),
 328                ..Default::default()
 329            }),
 330            ..Default::default()
 331        },
 332        ..Default::default()
 333    }
 334}
 335
 336const CODEBLOCK_CONTAINER_GROUP: &str = "codeblock_container";
 337
 338fn render_markdown_code_block(
 339    message_id: MessageId,
 340    ix: usize,
 341    kind: &CodeBlockKind,
 342    parsed_markdown: &ParsedMarkdown,
 343    metadata: CodeBlockMetadata,
 344    active_thread: Entity<ActiveThread>,
 345    workspace: WeakEntity<Workspace>,
 346    _window: &Window,
 347    cx: &App,
 348) -> Div {
 349    let label_size = rems(0.8125);
 350
 351    let label = match kind {
 352        CodeBlockKind::Indented => None,
 353        CodeBlockKind::Fenced => Some(
 354            h_flex()
 355                .px_1()
 356                .gap_1()
 357                .child(
 358                    Icon::new(IconName::Code)
 359                        .color(Color::Muted)
 360                        .size(IconSize::XSmall),
 361                )
 362                .child(div().text_size(label_size).child("Plain Text"))
 363                .into_any_element(),
 364        ),
 365        CodeBlockKind::FencedLang(raw_language_name) => Some(render_code_language(
 366            parsed_markdown.languages_by_name.get(raw_language_name),
 367            raw_language_name.clone(),
 368            cx,
 369        )),
 370        CodeBlockKind::FencedSrc(path_range) => path_range.path.file_name().map(|file_name| {
 371            // We tell the model to use /dev/null for the path instead of using ```language
 372            // because otherwise it consistently fails to use code citations.
 373            if path_range.path.starts_with("/dev/null") {
 374                let ext = path_range
 375                    .path
 376                    .extension()
 377                    .and_then(OsStr::to_str)
 378                    .map(|str| SharedString::new(str.to_string()))
 379                    .unwrap_or_default();
 380
 381                render_code_language(
 382                    parsed_markdown
 383                        .languages_by_path
 384                        .get(&path_range.path)
 385                        .or_else(|| parsed_markdown.languages_by_name.get(&ext)),
 386                    ext,
 387                    cx,
 388                )
 389            } else {
 390                let content = if let Some(parent) = path_range.path.parent() {
 391                    let file_name = file_name.to_string_lossy().to_string();
 392                    let path = parent.to_string_lossy().to_string();
 393                    let path_and_file = format!("{}/{}", path, file_name);
 394
 395                    h_flex()
 396                        .id(("code-block-header-label", ix))
 397                        .ml_1()
 398                        .gap_1()
 399                        .child(div().text_size(label_size).child(file_name))
 400                        .child(Label::new(path).color(Color::Muted).size(LabelSize::Small))
 401                        .tooltip(move |window, cx| {
 402                            Tooltip::with_meta(
 403                                "Jump to File",
 404                                None,
 405                                path_and_file.clone(),
 406                                window,
 407                                cx,
 408                            )
 409                        })
 410                        .into_any_element()
 411                } else {
 412                    div()
 413                        .ml_1()
 414                        .text_size(label_size)
 415                        .child(path_range.path.to_string_lossy().to_string())
 416                        .into_any_element()
 417                };
 418
 419                h_flex()
 420                    .id(("code-block-header-button", ix))
 421                    .w_full()
 422                    .max_w_full()
 423                    .px_1()
 424                    .gap_0p5()
 425                    .cursor_pointer()
 426                    .rounded_sm()
 427                    .hover(|item| item.bg(cx.theme().colors().element_hover.opacity(0.5)))
 428                    .child(
 429                        h_flex()
 430                            .gap_0p5()
 431                            .children(
 432                                file_icons::FileIcons::get_icon(&path_range.path, cx)
 433                                    .map(Icon::from_path)
 434                                    .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
 435                            )
 436                            .child(content)
 437                            .child(
 438                                Icon::new(IconName::ArrowUpRight)
 439                                    .size(IconSize::XSmall)
 440                                    .color(Color::Ignored),
 441                            ),
 442                    )
 443                    .on_click({
 444                        let path_range = path_range.clone();
 445                        move |_, window, cx| {
 446                            workspace
 447                                .update(cx, |workspace, cx| {
 448                                    open_path(&path_range, window, workspace, cx)
 449                                })
 450                                .ok();
 451                        }
 452                    })
 453                    .into_any_element()
 454            }
 455        }),
 456    };
 457
 458    let codeblock_was_copied = active_thread
 459        .read(cx)
 460        .copied_code_block_ids
 461        .contains(&(message_id, ix));
 462
 463    let is_expanded = active_thread.read(cx).is_codeblock_expanded(message_id, ix);
 464
 465    let codeblock_header_bg = cx
 466        .theme()
 467        .colors()
 468        .element_background
 469        .blend(cx.theme().colors().editor_foreground.opacity(0.025));
 470
 471    let control_buttons = h_flex()
 472        .visible_on_hover(CODEBLOCK_CONTAINER_GROUP)
 473        .absolute()
 474        .top_0()
 475        .right_0()
 476        .h_full()
 477        .bg(codeblock_header_bg)
 478        .rounded_tr_md()
 479        .px_1()
 480        .gap_1()
 481        .child(
 482            IconButton::new(
 483                ("copy-markdown-code", ix),
 484                if codeblock_was_copied {
 485                    IconName::Check
 486                } else {
 487                    IconName::Copy
 488                },
 489            )
 490            .icon_color(Color::Muted)
 491            .shape(ui::IconButtonShape::Square)
 492            .tooltip(Tooltip::text("Copy Code"))
 493            .on_click({
 494                let active_thread = active_thread.clone();
 495                let parsed_markdown = parsed_markdown.clone();
 496                let code_block_range = metadata.content_range.clone();
 497                move |_event, _window, cx| {
 498                    active_thread.update(cx, |this, cx| {
 499                        this.copied_code_block_ids.insert((message_id, ix));
 500
 501                        let code = parsed_markdown.source()[code_block_range.clone()].to_string();
 502                        cx.write_to_clipboard(ClipboardItem::new_string(code));
 503
 504                        cx.spawn(async move |this, cx| {
 505                            cx.background_executor().timer(Duration::from_secs(2)).await;
 506
 507                            cx.update(|cx| {
 508                                this.update(cx, |this, cx| {
 509                                    this.copied_code_block_ids.remove(&(message_id, ix));
 510                                    cx.notify();
 511                                })
 512                            })
 513                            .ok();
 514                        })
 515                        .detach();
 516                    });
 517                }
 518            }),
 519        )
 520        .child(
 521            IconButton::new(
 522                ("expand-collapse-code", ix),
 523                if is_expanded {
 524                    IconName::ChevronUp
 525                } else {
 526                    IconName::ChevronDown
 527                },
 528            )
 529            .icon_color(Color::Muted)
 530            .shape(ui::IconButtonShape::Square)
 531            .tooltip(Tooltip::text(if is_expanded {
 532                "Collapse Code"
 533            } else {
 534                "Expand Code"
 535            }))
 536            .on_click({
 537                let active_thread = active_thread.clone();
 538                move |_event, _window, cx| {
 539                    active_thread.update(cx, |this, cx| {
 540                        this.toggle_codeblock_expanded(message_id, ix);
 541                        cx.notify();
 542                    });
 543                }
 544            }),
 545        );
 546
 547    let codeblock_header = h_flex()
 548        .relative()
 549        .p_1()
 550        .gap_1()
 551        .justify_between()
 552        .bg(codeblock_header_bg)
 553        .map(|this| {
 554            if !is_expanded {
 555                this.rounded_md()
 556            } else {
 557                this.rounded_t_md()
 558                    .border_b_1()
 559                    .border_color(cx.theme().colors().border.opacity(0.6))
 560            }
 561        })
 562        .children(label)
 563        .child(control_buttons);
 564
 565    v_flex()
 566        .group(CODEBLOCK_CONTAINER_GROUP)
 567        .my_2()
 568        .overflow_hidden()
 569        .rounded_md()
 570        .border_1()
 571        .border_color(cx.theme().colors().border.opacity(0.6))
 572        .bg(cx.theme().colors().editor_background)
 573        .child(codeblock_header)
 574        .when(!is_expanded, |this| this.h(rems_from_px(31.)))
 575}
 576
 577fn open_path(
 578    path_range: &PathWithRange,
 579    window: &mut Window,
 580    workspace: &mut Workspace,
 581    cx: &mut Context<'_, Workspace>,
 582) {
 583    let Some(project_path) = workspace
 584        .project()
 585        .read(cx)
 586        .find_project_path(&path_range.path, cx)
 587    else {
 588        return; // TODO instead of just bailing out, open that path in a buffer.
 589    };
 590
 591    let Some(target) = path_range.range.as_ref().map(|range| {
 592        Point::new(
 593            // Line number is 1-based
 594            range.start.line.saturating_sub(1),
 595            range.start.col.unwrap_or(0),
 596        )
 597    }) else {
 598        return;
 599    };
 600    let open_task = workspace.open_path(project_path, None, true, window, cx);
 601    window
 602        .spawn(cx, async move |cx| {
 603            let item = open_task.await?;
 604            if let Some(active_editor) = item.downcast::<Editor>() {
 605                active_editor
 606                    .update_in(cx, |editor, window, cx| {
 607                        editor.go_to_singleton_buffer_point(target, window, cx);
 608                    })
 609                    .ok();
 610            }
 611            anyhow::Ok(())
 612        })
 613        .detach_and_log_err(cx);
 614}
 615
 616fn render_code_language(
 617    language: Option<&Arc<Language>>,
 618    name_fallback: SharedString,
 619    cx: &App,
 620) -> AnyElement {
 621    let icon_path = language.and_then(|language| {
 622        language
 623            .config()
 624            .matcher
 625            .path_suffixes
 626            .iter()
 627            .find_map(|extension| file_icons::FileIcons::get_icon(Path::new(extension), cx))
 628            .map(Icon::from_path)
 629    });
 630
 631    let language_label = language
 632        .map(|language| language.name().into())
 633        .unwrap_or(name_fallback);
 634
 635    let label_size = rems(0.8125);
 636
 637    h_flex()
 638        .px_1()
 639        .gap_1p5()
 640        .children(icon_path.map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)))
 641        .child(div().text_size(label_size).child(language_label))
 642        .into_any_element()
 643}
 644
 645fn open_markdown_link(
 646    text: SharedString,
 647    workspace: WeakEntity<Workspace>,
 648    window: &mut Window,
 649    cx: &mut App,
 650) {
 651    let Some(workspace) = workspace.upgrade() else {
 652        cx.open_url(&text);
 653        return;
 654    };
 655
 656    match MentionLink::try_parse(&text, &workspace, cx) {
 657        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 658            if entry.is_dir() {
 659                workspace.project().update(cx, |_, cx| {
 660                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 661                })
 662            } else {
 663                workspace
 664                    .open_path(path, None, true, window, cx)
 665                    .detach_and_log_err(cx);
 666            }
 667        }),
 668        Some(MentionLink::Symbol(path, symbol_name)) => {
 669            let open_task = workspace.update(cx, |workspace, cx| {
 670                workspace.open_path(path, None, true, window, cx)
 671            });
 672            window
 673                .spawn(cx, async move |cx| {
 674                    let active_editor = open_task
 675                        .await?
 676                        .downcast::<Editor>()
 677                        .context("Item is not an editor")?;
 678                    active_editor.update_in(cx, |editor, window, cx| {
 679                        let symbol_range = editor
 680                            .buffer()
 681                            .read(cx)
 682                            .snapshot(cx)
 683                            .outline(None)
 684                            .and_then(|outline| {
 685                                outline
 686                                    .find_most_similar(&symbol_name)
 687                                    .map(|(_, item)| item.range.clone())
 688                            })
 689                            .context("Could not find matching symbol")?;
 690
 691                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 692                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 693                        });
 694                        anyhow::Ok(())
 695                    })
 696                })
 697                .detach_and_log_err(cx);
 698        }
 699        Some(MentionLink::Selection(path, line_range)) => {
 700            let open_task = workspace.update(cx, |workspace, cx| {
 701                workspace.open_path(path, None, true, window, cx)
 702            });
 703            window
 704                .spawn(cx, async move |cx| {
 705                    let active_editor = open_task
 706                        .await?
 707                        .downcast::<Editor>()
 708                        .context("Item is not an editor")?;
 709                    active_editor.update_in(cx, |editor, window, cx| {
 710                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 711                            s.select_ranges([Point::new(line_range.start as u32, 0)
 712                                ..Point::new(line_range.start as u32, 0)])
 713                        });
 714                        anyhow::Ok(())
 715                    })
 716                })
 717                .detach_and_log_err(cx);
 718        }
 719        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 720            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 721                panel.update(cx, |panel, cx| {
 722                    panel
 723                        .open_thread_by_id(&thread_id, window, cx)
 724                        .detach_and_log_err(cx)
 725                });
 726            }
 727        }),
 728        Some(MentionLink::TextThread(path)) => workspace.update(cx, |workspace, cx| {
 729            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 730                panel.update(cx, |panel, cx| {
 731                    panel
 732                        .open_saved_prompt_editor(path, window, cx)
 733                        .detach_and_log_err(cx);
 734                });
 735            }
 736        }),
 737        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 738        Some(MentionLink::Rule(prompt_id)) => window.dispatch_action(
 739            Box::new(OpenRulesLibrary {
 740                prompt_to_select: Some(prompt_id.0),
 741            }),
 742            cx,
 743        ),
 744        None => cx.open_url(&text),
 745    }
 746}
 747
 748struct EditingMessageState {
 749    editor: Entity<Editor>,
 750    context_strip: Entity<ContextStrip>,
 751    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
 752    last_estimated_token_count: Option<usize>,
 753    _subscriptions: [Subscription; 2],
 754    _update_token_count_task: Option<Task<()>>,
 755}
 756
 757impl ActiveThread {
 758    pub fn new(
 759        thread: Entity<Thread>,
 760        thread_store: Entity<ThreadStore>,
 761        text_thread_store: Entity<TextThreadStore>,
 762        context_store: Entity<ContextStore>,
 763        language_registry: Arc<LanguageRegistry>,
 764        workspace: WeakEntity<Workspace>,
 765        window: &mut Window,
 766        cx: &mut Context<Self>,
 767    ) -> Self {
 768        let subscriptions = vec![
 769            cx.observe(&thread, |_, _, cx| cx.notify()),
 770            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 771            cx.subscribe(&thread_store, Self::handle_rules_loading_error),
 772            cx.observe_global::<SettingsStore>(|_, cx| cx.notify()),
 773        ];
 774
 775        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 776            let this = cx.entity().downgrade();
 777            move |ix, window: &mut Window, cx: &mut App| {
 778                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 779                    .unwrap()
 780            }
 781        });
 782        let mut this = Self {
 783            language_registry,
 784            thread_store,
 785            text_thread_store,
 786            context_store,
 787            thread: thread.clone(),
 788            workspace,
 789            save_thread_task: None,
 790            messages: Vec::new(),
 791            rendered_messages_by_id: HashMap::default(),
 792            rendered_tool_uses: HashMap::default(),
 793            expanded_tool_uses: HashMap::default(),
 794            expanded_thinking_segments: HashMap::default(),
 795            expanded_code_blocks: HashMap::default(),
 796            list_state: list_state.clone(),
 797            scrollbar_state: ScrollbarState::new(list_state),
 798            show_scrollbar: false,
 799            hide_scrollbar_task: None,
 800            editing_message: None,
 801            last_error: None,
 802            copied_code_block_ids: HashSet::default(),
 803            notifications: Vec::new(),
 804            _subscriptions: subscriptions,
 805            notification_subscriptions: HashMap::default(),
 806            open_feedback_editors: HashMap::default(),
 807            _load_edited_message_context_task: None,
 808        };
 809
 810        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 811            this.push_message(&message.id, &message.segments, window, cx);
 812
 813            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 814                this.render_tool_use_markdown(
 815                    tool_use.id.clone(),
 816                    tool_use.ui_text.clone(),
 817                    &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
 818                    tool_use.status.text(),
 819                    cx,
 820                );
 821            }
 822        }
 823
 824        this
 825    }
 826
 827    pub fn thread(&self) -> &Entity<Thread> {
 828        &self.thread
 829    }
 830
 831    pub fn is_empty(&self) -> bool {
 832        self.messages.is_empty()
 833    }
 834
 835    pub fn summary<'a>(&'a self, cx: &'a App) -> &'a ThreadSummary {
 836        self.thread.read(cx).summary()
 837    }
 838
 839    pub fn regenerate_summary(&self, cx: &mut App) {
 840        self.thread.update(cx, |thread, cx| thread.summarize(cx))
 841    }
 842
 843    pub fn cancel_last_completion(&mut self, window: &mut Window, cx: &mut App) -> bool {
 844        self.last_error.take();
 845        self.thread.update(cx, |thread, cx| {
 846            thread.cancel_last_completion(Some(window.window_handle()), cx)
 847        })
 848    }
 849
 850    pub fn last_error(&self) -> Option<ThreadError> {
 851        self.last_error.clone()
 852    }
 853
 854    pub fn clear_last_error(&mut self) {
 855        self.last_error.take();
 856    }
 857
 858    /// Returns the editing message id and the estimated token count in the content
 859    pub fn editing_message_id(&self) -> Option<(MessageId, usize)> {
 860        self.editing_message
 861            .as_ref()
 862            .map(|(id, state)| (*id, state.last_estimated_token_count.unwrap_or(0)))
 863    }
 864
 865    pub fn context_store(&self) -> &Entity<ContextStore> {
 866        &self.context_store
 867    }
 868
 869    pub fn thread_store(&self) -> &Entity<ThreadStore> {
 870        &self.thread_store
 871    }
 872
 873    pub fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 874        &self.text_thread_store
 875    }
 876
 877    fn push_message(
 878        &mut self,
 879        id: &MessageId,
 880        segments: &[MessageSegment],
 881        _window: &mut Window,
 882        cx: &mut Context<Self>,
 883    ) {
 884        let old_len = self.messages.len();
 885        self.messages.push(*id);
 886        self.list_state.splice(old_len..old_len, 1);
 887
 888        let rendered_message =
 889            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 890        self.rendered_messages_by_id.insert(*id, rendered_message);
 891    }
 892
 893    fn edited_message(
 894        &mut self,
 895        id: &MessageId,
 896        segments: &[MessageSegment],
 897        _window: &mut Window,
 898        cx: &mut Context<Self>,
 899    ) {
 900        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 901            return;
 902        };
 903        self.list_state.splice(index..index + 1, 1);
 904        let rendered_message =
 905            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 906        self.rendered_messages_by_id.insert(*id, rendered_message);
 907    }
 908
 909    fn deleted_message(&mut self, id: &MessageId) {
 910        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 911            return;
 912        };
 913        self.messages.remove(index);
 914        self.list_state.splice(index..index + 1, 0);
 915        self.rendered_messages_by_id.remove(id);
 916    }
 917
 918    fn render_tool_use_markdown(
 919        &mut self,
 920        tool_use_id: LanguageModelToolUseId,
 921        tool_label: impl Into<SharedString>,
 922        tool_input: &str,
 923        tool_output: SharedString,
 924        cx: &mut Context<Self>,
 925    ) {
 926        let rendered = self
 927            .rendered_tool_uses
 928            .entry(tool_use_id.clone())
 929            .or_insert_with(|| RenderedToolUse {
 930                label: cx.new(|cx| {
 931                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 932                }),
 933                input: cx.new(|cx| {
 934                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 935                }),
 936                output: cx.new(|cx| {
 937                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 938                }),
 939            });
 940
 941        rendered.label.update(cx, |this, cx| {
 942            this.replace(tool_label, cx);
 943        });
 944        rendered.input.update(cx, |this, cx| {
 945            this.replace(
 946                MarkdownCodeBlock {
 947                    tag: "json",
 948                    text: tool_input,
 949                }
 950                .to_string(),
 951                cx,
 952            );
 953        });
 954        rendered.output.update(cx, |this, cx| {
 955            this.replace(tool_output, cx);
 956        });
 957    }
 958
 959    fn handle_thread_event(
 960        &mut self,
 961        _thread: &Entity<Thread>,
 962        event: &ThreadEvent,
 963        window: &mut Window,
 964        cx: &mut Context<Self>,
 965    ) {
 966        match event {
 967            ThreadEvent::CancelEditing => {
 968                if self.editing_message.is_some() {
 969                    self.cancel_editing_message(&menu::Cancel, window, cx);
 970                }
 971            }
 972            ThreadEvent::ShowError(error) => {
 973                self.last_error = Some(error.clone());
 974            }
 975            ThreadEvent::NewRequest | ThreadEvent::CompletionCanceled => {
 976                cx.notify();
 977            }
 978            ThreadEvent::StreamedCompletion
 979            | ThreadEvent::SummaryGenerated
 980            | ThreadEvent::SummaryChanged => {
 981                self.save_thread(cx);
 982            }
 983            ThreadEvent::Stopped(reason) => match reason {
 984                Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
 985                    let thread = self.thread.read(cx);
 986                    self.show_notification(
 987                        if thread.used_tools_since_last_user_message() {
 988                            "Finished running tools"
 989                        } else {
 990                            "New message"
 991                        },
 992                        IconName::ZedAssistant,
 993                        window,
 994                        cx,
 995                    );
 996                }
 997                _ => {}
 998            },
 999            ThreadEvent::ToolConfirmationNeeded => {
1000                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
1001            }
1002            ThreadEvent::StreamedAssistantText(message_id, text) => {
1003                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
1004                    rendered_message.append_text(text, cx);
1005                }
1006            }
1007            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
1008                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
1009                    rendered_message.append_thinking(text, cx);
1010                }
1011            }
1012            ThreadEvent::MessageAdded(message_id) => {
1013                if let Some(message_segments) = self
1014                    .thread
1015                    .read(cx)
1016                    .message(*message_id)
1017                    .map(|message| message.segments.clone())
1018                {
1019                    self.push_message(message_id, &message_segments, window, cx);
1020                }
1021
1022                self.scroll_to_bottom(cx);
1023                self.save_thread(cx);
1024                cx.notify();
1025            }
1026            ThreadEvent::MessageEdited(message_id) => {
1027                if let Some(message_segments) = self
1028                    .thread
1029                    .read(cx)
1030                    .message(*message_id)
1031                    .map(|message| message.segments.clone())
1032                {
1033                    self.edited_message(message_id, &message_segments, window, cx);
1034                }
1035
1036                self.scroll_to_bottom(cx);
1037                self.save_thread(cx);
1038                cx.notify();
1039            }
1040            ThreadEvent::MessageDeleted(message_id) => {
1041                self.deleted_message(message_id);
1042                self.save_thread(cx);
1043                cx.notify();
1044            }
1045            ThreadEvent::UsePendingTools { tool_uses } => {
1046                for tool_use in tool_uses {
1047                    self.render_tool_use_markdown(
1048                        tool_use.id.clone(),
1049                        tool_use.ui_text.clone(),
1050                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1051                        "".into(),
1052                        cx,
1053                    );
1054                }
1055            }
1056            ThreadEvent::StreamedToolUse {
1057                tool_use_id,
1058                ui_text,
1059                input,
1060            } => {
1061                self.render_tool_use_markdown(
1062                    tool_use_id.clone(),
1063                    ui_text.clone(),
1064                    &serde_json::to_string_pretty(&input).unwrap_or_default(),
1065                    "".into(),
1066                    cx,
1067                );
1068            }
1069            ThreadEvent::ToolFinished {
1070                pending_tool_use, ..
1071            } => {
1072                if let Some(tool_use) = pending_tool_use {
1073                    self.render_tool_use_markdown(
1074                        tool_use.id.clone(),
1075                        tool_use.ui_text.clone(),
1076                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1077                        self.thread
1078                            .read(cx)
1079                            .output_for_tool(&tool_use.id)
1080                            .map(|output| output.clone().into())
1081                            .unwrap_or("".into()),
1082                        cx,
1083                    );
1084                }
1085            }
1086            ThreadEvent::CheckpointChanged => cx.notify(),
1087            ThreadEvent::ReceivedTextChunk => {}
1088            ThreadEvent::InvalidToolInput {
1089                tool_use_id,
1090                ui_text,
1091                invalid_input_json,
1092            } => {
1093                self.render_tool_use_markdown(
1094                    tool_use_id.clone(),
1095                    ui_text,
1096                    invalid_input_json,
1097                    self.thread
1098                        .read(cx)
1099                        .output_for_tool(tool_use_id)
1100                        .map(|output| output.clone().into())
1101                        .unwrap_or("".into()),
1102                    cx,
1103                );
1104            }
1105            ThreadEvent::MissingToolUse {
1106                tool_use_id,
1107                ui_text,
1108            } => {
1109                self.render_tool_use_markdown(
1110                    tool_use_id.clone(),
1111                    ui_text,
1112                    "",
1113                    self.thread
1114                        .read(cx)
1115                        .output_for_tool(tool_use_id)
1116                        .map(|output| output.clone().into())
1117                        .unwrap_or("".into()),
1118                    cx,
1119                );
1120            }
1121        }
1122    }
1123
1124    fn handle_rules_loading_error(
1125        &mut self,
1126        _thread_store: Entity<ThreadStore>,
1127        error: &RulesLoadingError,
1128        cx: &mut Context<Self>,
1129    ) {
1130        self.last_error = Some(ThreadError::Message {
1131            header: "Error loading rules file".into(),
1132            message: error.message.clone(),
1133        });
1134        cx.notify();
1135    }
1136
1137    fn show_notification(
1138        &mut self,
1139        caption: impl Into<SharedString>,
1140        icon: IconName,
1141        window: &mut Window,
1142        cx: &mut Context<ActiveThread>,
1143    ) {
1144        if window.is_window_active() || !self.notifications.is_empty() {
1145            return;
1146        }
1147
1148        let title = self.thread.read(cx).summary().unwrap_or("Agent Panel");
1149
1150        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
1151            NotifyWhenAgentWaiting::PrimaryScreen => {
1152                if let Some(primary) = cx.primary_display() {
1153                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
1154                }
1155            }
1156            NotifyWhenAgentWaiting::AllScreens => {
1157                let caption = caption.into();
1158                for screen in cx.displays() {
1159                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
1160                }
1161            }
1162            NotifyWhenAgentWaiting::Never => {
1163                // Don't show anything
1164            }
1165        }
1166    }
1167
1168    fn pop_up(
1169        &mut self,
1170        icon: IconName,
1171        caption: SharedString,
1172        title: SharedString,
1173        window: &mut Window,
1174        screen: Rc<dyn PlatformDisplay>,
1175        cx: &mut Context<'_, ActiveThread>,
1176    ) {
1177        let options = AgentNotification::window_options(screen, cx);
1178
1179        let project_name = self.workspace.upgrade().and_then(|workspace| {
1180            workspace
1181                .read(cx)
1182                .project()
1183                .read(cx)
1184                .visible_worktrees(cx)
1185                .next()
1186                .map(|worktree| worktree.read(cx).root_name().to_string())
1187        });
1188
1189        if let Some(screen_window) = cx
1190            .open_window(options, |_, cx| {
1191                cx.new(|_| {
1192                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
1193                })
1194            })
1195            .log_err()
1196        {
1197            if let Some(pop_up) = screen_window.entity(cx).log_err() {
1198                self.notification_subscriptions
1199                    .entry(screen_window)
1200                    .or_insert_with(Vec::new)
1201                    .push(cx.subscribe_in(&pop_up, window, {
1202                        |this, _, event, window, cx| match event {
1203                            AgentNotificationEvent::Accepted => {
1204                                let handle = window.window_handle();
1205                                cx.activate(true);
1206
1207                                let workspace_handle = this.workspace.clone();
1208
1209                                // If there are multiple Zed windows, activate the correct one.
1210                                cx.defer(move |cx| {
1211                                    handle
1212                                        .update(cx, |_view, window, _cx| {
1213                                            window.activate_window();
1214
1215                                            if let Some(workspace) = workspace_handle.upgrade() {
1216                                                workspace.update(_cx, |workspace, cx| {
1217                                                    workspace.focus_panel::<AgentPanel>(window, cx);
1218                                                });
1219                                            }
1220                                        })
1221                                        .log_err();
1222                                });
1223
1224                                this.dismiss_notifications(cx);
1225                            }
1226                            AgentNotificationEvent::Dismissed => {
1227                                this.dismiss_notifications(cx);
1228                            }
1229                        }
1230                    }));
1231
1232                self.notifications.push(screen_window);
1233
1234                // If the user manually refocuses the original window, dismiss the popup.
1235                self.notification_subscriptions
1236                    .entry(screen_window)
1237                    .or_insert_with(Vec::new)
1238                    .push({
1239                        let pop_up_weak = pop_up.downgrade();
1240
1241                        cx.observe_window_activation(window, move |_, window, cx| {
1242                            if window.is_window_active() {
1243                                if let Some(pop_up) = pop_up_weak.upgrade() {
1244                                    pop_up.update(cx, |_, cx| {
1245                                        cx.emit(AgentNotificationEvent::Dismissed);
1246                                    });
1247                                }
1248                            }
1249                        })
1250                    });
1251            }
1252        }
1253    }
1254
1255    /// Spawns a task to save the active thread.
1256    ///
1257    /// Only one task to save the thread will be in flight at a time.
1258    fn save_thread(&mut self, cx: &mut Context<Self>) {
1259        let thread = self.thread.clone();
1260        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
1261            let task = this
1262                .update(cx, |this, cx| {
1263                    this.thread_store
1264                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
1265                })
1266                .ok();
1267
1268            if let Some(task) = task {
1269                task.await.log_err();
1270            }
1271        }));
1272    }
1273
1274    fn start_editing_message(
1275        &mut self,
1276        message_id: MessageId,
1277        message_segments: &[MessageSegment],
1278        message_creases: &[MessageCrease],
1279        window: &mut Window,
1280        cx: &mut Context<Self>,
1281    ) {
1282        // User message should always consist of a single text segment,
1283        // therefore we can skip returning early if it's not a text segment.
1284        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
1285            return;
1286        };
1287
1288        let editor = crate::message_editor::create_editor(
1289            self.workspace.clone(),
1290            self.context_store.downgrade(),
1291            self.thread_store.downgrade(),
1292            self.text_thread_store.downgrade(),
1293            window,
1294            cx,
1295        );
1296        editor.update(cx, |editor, cx| {
1297            editor.set_text(message_text.clone(), window, cx);
1298            insert_message_creases(editor, message_creases, &self.context_store, window, cx);
1299            editor.focus_handle(cx).focus(window);
1300            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
1301        });
1302        let buffer_edited_subscription = cx.subscribe(&editor, |this, _, event, cx| match event {
1303            EditorEvent::BufferEdited => {
1304                this.update_editing_message_token_count(true, cx);
1305            }
1306            _ => {}
1307        });
1308
1309        let context_picker_menu_handle = PopoverMenuHandle::default();
1310        let context_strip = cx.new(|cx| {
1311            ContextStrip::new(
1312                self.context_store.clone(),
1313                self.workspace.clone(),
1314                Some(self.thread_store.downgrade()),
1315                Some(self.text_thread_store.downgrade()),
1316                context_picker_menu_handle.clone(),
1317                SuggestContextKind::File,
1318                window,
1319                cx,
1320            )
1321        });
1322
1323        let context_strip_subscription =
1324            cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event);
1325
1326        self.editing_message = Some((
1327            message_id,
1328            EditingMessageState {
1329                editor: editor.clone(),
1330                context_strip,
1331                context_picker_menu_handle,
1332                last_estimated_token_count: None,
1333                _subscriptions: [buffer_edited_subscription, context_strip_subscription],
1334                _update_token_count_task: None,
1335            },
1336        ));
1337        self.update_editing_message_token_count(false, cx);
1338        cx.notify();
1339    }
1340
1341    fn handle_context_strip_event(
1342        &mut self,
1343        _context_strip: &Entity<ContextStrip>,
1344        event: &ContextStripEvent,
1345        window: &mut Window,
1346        cx: &mut Context<Self>,
1347    ) {
1348        if let Some((_, state)) = self.editing_message.as_ref() {
1349            match event {
1350                ContextStripEvent::PickerDismissed
1351                | ContextStripEvent::BlurredEmpty
1352                | ContextStripEvent::BlurredDown => {
1353                    let editor_focus_handle = state.editor.focus_handle(cx);
1354                    window.focus(&editor_focus_handle);
1355                }
1356                ContextStripEvent::BlurredUp => {}
1357            }
1358        }
1359    }
1360
1361    fn update_editing_message_token_count(&mut self, debounce: bool, cx: &mut Context<Self>) {
1362        let Some((message_id, state)) = self.editing_message.as_mut() else {
1363            return;
1364        };
1365
1366        cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1367        state._update_token_count_task.take();
1368
1369        let Some(configured_model) = self.thread.read(cx).configured_model() else {
1370            state.last_estimated_token_count.take();
1371            return;
1372        };
1373
1374        let editor = state.editor.clone();
1375        let thread = self.thread.clone();
1376        let message_id = *message_id;
1377
1378        state._update_token_count_task = Some(cx.spawn(async move |this, cx| {
1379            if debounce {
1380                cx.background_executor()
1381                    .timer(Duration::from_millis(200))
1382                    .await;
1383            }
1384
1385            let token_count = if let Some(task) = cx
1386                .update(|cx| {
1387                    let Some(message) = thread.read(cx).message(message_id) else {
1388                        log::error!("Message that was being edited no longer exists");
1389                        return None;
1390                    };
1391                    let message_text = editor.read(cx).text(cx);
1392
1393                    if message_text.is_empty() && message.loaded_context.is_empty() {
1394                        return None;
1395                    }
1396
1397                    let mut request_message = LanguageModelRequestMessage {
1398                        role: language_model::Role::User,
1399                        content: Vec::new(),
1400                        cache: false,
1401                    };
1402
1403                    message
1404                        .loaded_context
1405                        .add_to_request_message(&mut request_message);
1406
1407                    if !message_text.is_empty() {
1408                        request_message
1409                            .content
1410                            .push(MessageContent::Text(message_text));
1411                    }
1412
1413                    let request = language_model::LanguageModelRequest {
1414                        thread_id: None,
1415                        prompt_id: None,
1416                        intent: None,
1417                        mode: None,
1418                        messages: vec![request_message],
1419                        tools: vec![],
1420                        tool_choice: None,
1421                        stop: vec![],
1422                        temperature: AssistantSettings::temperature_for_model(
1423                            &configured_model.model,
1424                            cx,
1425                        ),
1426                    };
1427
1428                    Some(configured_model.model.count_tokens(request, cx))
1429                })
1430                .ok()
1431                .flatten()
1432            {
1433                task.await.log_err()
1434            } else {
1435                Some(0)
1436            };
1437
1438            if let Some(token_count) = token_count {
1439                this.update(cx, |this, cx| {
1440                    let Some((_message_id, state)) = this.editing_message.as_mut() else {
1441                        return;
1442                    };
1443
1444                    state.last_estimated_token_count = Some(token_count);
1445                    cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1446                })
1447                .ok();
1448            };
1449        }));
1450    }
1451
1452    fn toggle_context_picker(
1453        &mut self,
1454        _: &crate::ToggleContextPicker,
1455        window: &mut Window,
1456        cx: &mut Context<Self>,
1457    ) {
1458        if let Some((_, state)) = self.editing_message.as_mut() {
1459            let handle = state.context_picker_menu_handle.clone();
1460            window.defer(cx, move |window, cx| {
1461                handle.toggle(window, cx);
1462            });
1463        }
1464    }
1465
1466    fn remove_all_context(
1467        &mut self,
1468        _: &crate::RemoveAllContext,
1469        _window: &mut Window,
1470        cx: &mut Context<Self>,
1471    ) {
1472        self.context_store.update(cx, |store, _cx| store.clear());
1473        cx.notify();
1474    }
1475
1476    fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
1477        if let Some((_, state)) = self.editing_message.as_mut() {
1478            if state.context_picker_menu_handle.is_deployed() {
1479                cx.propagate();
1480            } else {
1481                state.context_strip.focus_handle(cx).focus(window);
1482            }
1483        }
1484    }
1485
1486    fn paste(&mut self, _: &Paste, _window: &mut Window, cx: &mut Context<Self>) {
1487        let images = cx
1488            .read_from_clipboard()
1489            .map(|item| {
1490                item.into_entries()
1491                    .filter_map(|entry| {
1492                        if let ClipboardEntry::Image(image) = entry {
1493                            Some(image)
1494                        } else {
1495                            None
1496                        }
1497                    })
1498                    .collect::<Vec<_>>()
1499            })
1500            .unwrap_or_default();
1501
1502        if images.is_empty() {
1503            return;
1504        }
1505        cx.stop_propagation();
1506
1507        self.context_store.update(cx, |store, cx| {
1508            for image in images {
1509                store.add_image_instance(Arc::new(image), cx);
1510            }
1511        });
1512    }
1513
1514    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1515        self.editing_message.take();
1516        cx.notify();
1517    }
1518
1519    fn confirm_editing_message(
1520        &mut self,
1521        _: &menu::Confirm,
1522        window: &mut Window,
1523        cx: &mut Context<Self>,
1524    ) {
1525        let Some((message_id, state)) = self.editing_message.take() else {
1526            return;
1527        };
1528
1529        let Some(model) = self
1530            .thread
1531            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
1532        else {
1533            return;
1534        };
1535
1536        if model.provider.must_accept_terms(cx) {
1537            cx.notify();
1538            return;
1539        }
1540
1541        let edited_text = state.editor.read(cx).text(cx);
1542
1543        let new_context = self
1544            .context_store
1545            .read(cx)
1546            .new_context_for_thread(self.thread.read(cx), Some(message_id));
1547
1548        let project = self.thread.read(cx).project().clone();
1549        let prompt_store = self.thread_store.read(cx).prompt_store().clone();
1550
1551        let git_store = project.read(cx).git_store().clone();
1552        let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
1553
1554        let load_context_task =
1555            crate::context::load_context(new_context, &project, &prompt_store, cx);
1556        self._load_edited_message_context_task =
1557            Some(cx.spawn_in(window, async move |this, cx| {
1558                let (context, checkpoint) =
1559                    futures::future::join(load_context_task, checkpoint).await;
1560                let _ = this
1561                    .update_in(cx, |this, window, cx| {
1562                        this.thread.update(cx, |thread, cx| {
1563                            thread.edit_message(
1564                                message_id,
1565                                Role::User,
1566                                vec![MessageSegment::Text(edited_text)],
1567                                Some(context.loaded_context),
1568                                checkpoint.ok(),
1569                                cx,
1570                            );
1571                            for message_id in this.messages_after(message_id) {
1572                                thread.delete_message(*message_id, cx);
1573                            }
1574                        });
1575
1576                        this.thread.update(cx, |thread, cx| {
1577                            thread.advance_prompt_id();
1578                            thread.send_to_model(
1579                                model.model,
1580                                CompletionIntent::UserPrompt,
1581                                Some(window.window_handle()),
1582                                cx,
1583                            );
1584                        });
1585                        this._load_edited_message_context_task = None;
1586                        cx.notify();
1587                    })
1588                    .log_err();
1589            }));
1590    }
1591
1592    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
1593        self.messages
1594            .iter()
1595            .position(|id| *id == message_id)
1596            .map(|index| &self.messages[index + 1..])
1597            .unwrap_or(&[])
1598    }
1599
1600    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1601        self.cancel_editing_message(&menu::Cancel, window, cx);
1602    }
1603
1604    fn handle_regenerate_click(
1605        &mut self,
1606        _: &ClickEvent,
1607        window: &mut Window,
1608        cx: &mut Context<Self>,
1609    ) {
1610        self.confirm_editing_message(&menu::Confirm, window, cx);
1611    }
1612
1613    fn handle_feedback_click(
1614        &mut self,
1615        message_id: MessageId,
1616        feedback: ThreadFeedback,
1617        window: &mut Window,
1618        cx: &mut Context<Self>,
1619    ) {
1620        let report = self.thread.update(cx, |thread, cx| {
1621            thread.report_message_feedback(message_id, feedback, cx)
1622        });
1623
1624        cx.spawn(async move |this, cx| {
1625            report.await?;
1626            this.update(cx, |_this, cx| cx.notify())
1627        })
1628        .detach_and_log_err(cx);
1629
1630        match feedback {
1631            ThreadFeedback::Positive => {
1632                self.open_feedback_editors.remove(&message_id);
1633            }
1634            ThreadFeedback::Negative => {
1635                self.handle_show_feedback_comments(message_id, window, cx);
1636            }
1637        }
1638    }
1639
1640    fn handle_show_feedback_comments(
1641        &mut self,
1642        message_id: MessageId,
1643        window: &mut Window,
1644        cx: &mut Context<Self>,
1645    ) {
1646        let buffer = cx.new(|cx| {
1647            let empty_string = String::new();
1648            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
1649        });
1650
1651        let editor = cx.new(|cx| {
1652            let mut editor = Editor::new(
1653                editor::EditorMode::AutoHeight { max_lines: 4 },
1654                buffer,
1655                None,
1656                window,
1657                cx,
1658            );
1659            editor.set_placeholder_text(
1660                "What went wrong? Share your feedback so we can improve.",
1661                cx,
1662            );
1663            editor
1664        });
1665
1666        editor.read(cx).focus_handle(cx).focus(window);
1667        self.open_feedback_editors.insert(message_id, editor);
1668        cx.notify();
1669    }
1670
1671    fn submit_feedback_message(&mut self, message_id: MessageId, cx: &mut Context<Self>) {
1672        let Some(editor) = self.open_feedback_editors.get(&message_id) else {
1673            return;
1674        };
1675
1676        let report_task = self.thread.update(cx, |thread, cx| {
1677            thread.report_message_feedback(message_id, ThreadFeedback::Negative, cx)
1678        });
1679
1680        let comments = editor.read(cx).text(cx);
1681        if !comments.is_empty() {
1682            let thread_id = self.thread.read(cx).id().clone();
1683            let comments_value = String::from(comments.as_str());
1684
1685            let message_content = self
1686                .thread
1687                .read(cx)
1688                .message(message_id)
1689                .map(|msg| msg.to_string())
1690                .unwrap_or_default();
1691
1692            telemetry::event!(
1693                "Assistant Thread Feedback Comments",
1694                thread_id,
1695                message_id = message_id.0,
1696                message_content,
1697                comments = comments_value
1698            );
1699
1700            self.open_feedback_editors.remove(&message_id);
1701
1702            cx.spawn(async move |this, cx| {
1703                report_task.await?;
1704                this.update(cx, |_this, cx| cx.notify())
1705            })
1706            .detach_and_log_err(cx);
1707        }
1708    }
1709
1710    fn render_edit_message_editor(
1711        &self,
1712        state: &EditingMessageState,
1713        _window: &mut Window,
1714        cx: &Context<Self>,
1715    ) -> impl IntoElement {
1716        let settings = ThemeSettings::get_global(cx);
1717        let font_size = TextSize::Small
1718            .rems(cx)
1719            .to_pixels(settings.agent_font_size(cx));
1720        let line_height = font_size * 1.75;
1721
1722        let colors = cx.theme().colors();
1723
1724        let text_style = TextStyle {
1725            color: colors.text,
1726            font_family: settings.buffer_font.family.clone(),
1727            font_fallbacks: settings.buffer_font.fallbacks.clone(),
1728            font_features: settings.buffer_font.features.clone(),
1729            font_size: font_size.into(),
1730            line_height: line_height.into(),
1731            ..Default::default()
1732        };
1733
1734        v_flex()
1735            .key_context("EditMessageEditor")
1736            .on_action(cx.listener(Self::toggle_context_picker))
1737            .on_action(cx.listener(Self::remove_all_context))
1738            .on_action(cx.listener(Self::move_up))
1739            .on_action(cx.listener(Self::cancel_editing_message))
1740            .on_action(cx.listener(Self::confirm_editing_message))
1741            .capture_action(cx.listener(Self::paste))
1742            .min_h_6()
1743            .w_full()
1744            .flex_grow()
1745            .gap_2()
1746            .child(state.context_strip.clone())
1747            .child(div().pt(px(-3.)).px_neg_0p5().child(EditorElement::new(
1748                &state.editor,
1749                EditorStyle {
1750                    background: colors.editor_background,
1751                    local_player: cx.theme().players().local(),
1752                    text: text_style,
1753                    syntax: cx.theme().syntax().clone(),
1754                    ..Default::default()
1755                },
1756            )))
1757    }
1758
1759    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
1760        let message_id = self.messages[ix];
1761        let Some(message) = self.thread.read(cx).message(message_id) else {
1762            return Empty.into_any();
1763        };
1764        let message_creases = message.creases.clone();
1765
1766        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
1767            return Empty.into_any();
1768        };
1769
1770        let workspace = self.workspace.clone();
1771        let thread = self.thread.read(cx);
1772
1773        // Get all the data we need from thread before we start using it in closures
1774        let checkpoint = thread.checkpoint_for_message(message_id);
1775        let added_context = thread
1776            .context_for_message(message_id)
1777            .map(|context| AddedContext::new_attached(context, cx))
1778            .collect::<Vec<_>>();
1779
1780        let tool_uses = thread.tool_uses_for_message(message_id, cx);
1781        let has_tool_uses = !tool_uses.is_empty();
1782        let is_generating = thread.is_generating();
1783        let is_generating_stale = thread.is_generation_stale().unwrap_or(false);
1784
1785        let is_first_message = ix == 0;
1786        let is_last_message = ix == self.messages.len() - 1;
1787
1788        let loading_dots = (is_generating_stale && is_last_message)
1789            .then(|| AnimatedLabel::new("").size(LabelSize::Small));
1790
1791        let editing_message_state = self
1792            .editing_message
1793            .as_ref()
1794            .filter(|(id, _)| *id == message_id)
1795            .map(|(_, state)| state);
1796
1797        let colors = cx.theme().colors();
1798        let editor_bg_color = colors.editor_background;
1799
1800        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::DocumentText)
1801            .icon_size(IconSize::XSmall)
1802            .icon_color(Color::Ignored)
1803            .tooltip(Tooltip::text("Open Thread as Markdown"))
1804            .on_click({
1805                let thread = self.thread.clone();
1806                let workspace = self.workspace.clone();
1807                move |_, window, cx| {
1808                    if let Some(workspace) = workspace.upgrade() {
1809                        open_active_thread_as_markdown(thread.clone(), workspace, window, cx)
1810                            .detach_and_log_err(cx);
1811                    }
1812                }
1813            });
1814
1815        // For all items that should be aligned with the LLM's response.
1816        const RESPONSE_PADDING_X: Pixels = px(19.);
1817
1818        let show_feedback = thread.is_turn_end(ix);
1819
1820        let feedback_container = h_flex()
1821            .group("feedback_container")
1822            .mt_1()
1823            .py_2()
1824            .px(RESPONSE_PADDING_X)
1825            .mr_1()
1826            .opacity(0.4)
1827            .hover(|style| style.opacity(1.))
1828            .gap_1p5()
1829            .flex_wrap()
1830            .justify_end();
1831        let feedback_items = match self.thread.read(cx).message_feedback(message_id) {
1832            Some(feedback) => feedback_container
1833                .child(
1834                    div().visible_on_hover("feedback_container").child(
1835                        Label::new(match feedback {
1836                            ThreadFeedback::Positive => "Thanks for your feedback!",
1837                            ThreadFeedback::Negative => {
1838                                "We appreciate your feedback and will use it to improve."
1839                            }
1840                        })
1841                    .color(Color::Muted)
1842                    .size(LabelSize::XSmall)
1843                    .truncate())
1844                )
1845                .child(
1846                    h_flex()
1847                        .child(
1848                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1849                                .icon_size(IconSize::XSmall)
1850                                .icon_color(match feedback {
1851                                    ThreadFeedback::Positive => Color::Accent,
1852                                    ThreadFeedback::Negative => Color::Ignored,
1853                                })
1854                                .tooltip(Tooltip::text("Helpful Response"))
1855                                .on_click(cx.listener(move |this, _, window, cx| {
1856                                    this.handle_feedback_click(
1857                                        message_id,
1858                                        ThreadFeedback::Positive,
1859                                        window,
1860                                        cx,
1861                                    );
1862                                })),
1863                        )
1864                        .child(
1865                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1866                                .icon_size(IconSize::XSmall)
1867                                .icon_color(match feedback {
1868                                    ThreadFeedback::Positive => Color::Ignored,
1869                                    ThreadFeedback::Negative => Color::Accent,
1870                                })
1871                                .tooltip(Tooltip::text("Not Helpful"))
1872                                .on_click(cx.listener(move |this, _, window, cx| {
1873                                    this.handle_feedback_click(
1874                                        message_id,
1875                                        ThreadFeedback::Negative,
1876                                        window,
1877                                        cx,
1878                                    );
1879                                })),
1880                        )
1881                        .child(open_as_markdown),
1882                )
1883                .into_any_element(),
1884            None if AssistantSettings::get_global(cx).enable_feedback =>
1885                feedback_container
1886                .child(
1887                    div().visible_on_hover("feedback_container").child(
1888                        Label::new(
1889                            "Rating the thread sends all of your current conversation to the Zed team.",
1890                        )
1891                        .color(Color::Muted)
1892                    .size(LabelSize::XSmall)
1893                    .truncate())
1894                )
1895                .child(
1896                    h_flex()
1897                        .child(
1898                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1899                                .icon_size(IconSize::XSmall)
1900                                .icon_color(Color::Ignored)
1901                                .tooltip(Tooltip::text("Helpful Response"))
1902                                .on_click(cx.listener(move |this, _, window, cx| {
1903                                    this.handle_feedback_click(
1904                                        message_id,
1905                                        ThreadFeedback::Positive,
1906                                        window,
1907                                        cx,
1908                                    );
1909                                })),
1910                        )
1911                        .child(
1912                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1913                                .icon_size(IconSize::XSmall)
1914                                .icon_color(Color::Ignored)
1915                                .tooltip(Tooltip::text("Not Helpful"))
1916                                .on_click(cx.listener(move |this, _, window, cx| {
1917                                    this.handle_feedback_click(
1918                                        message_id,
1919                                        ThreadFeedback::Negative,
1920                                        window,
1921                                        cx,
1922                                    );
1923                                })),
1924                        )
1925                        .child(open_as_markdown),
1926                )
1927                .into_any_element(),
1928            None => feedback_container
1929                .child(h_flex().child(open_as_markdown))
1930                .into_any_element(),
1931        };
1932
1933        let message_is_empty = message.should_display_content();
1934        let has_content = !message_is_empty || !added_context.is_empty();
1935
1936        let message_content = has_content.then(|| {
1937            if let Some(state) = editing_message_state.as_ref() {
1938                self.render_edit_message_editor(state, window, cx)
1939                    .into_any_element()
1940            } else {
1941                v_flex()
1942                    .w_full()
1943                    .gap_1()
1944                    .when(!added_context.is_empty(), |parent| {
1945                        parent.child(h_flex().flex_wrap().gap_1().children(
1946                            added_context.into_iter().map(|added_context| {
1947                                let context = added_context.handle.clone();
1948                                ContextPill::added(added_context, false, false, None).on_click(
1949                                    Rc::new(cx.listener({
1950                                        let workspace = workspace.clone();
1951                                        move |_, _, window, cx| {
1952                                            if let Some(workspace) = workspace.upgrade() {
1953                                                open_context(&context, workspace, window, cx);
1954                                                cx.notify();
1955                                            }
1956                                        }
1957                                    })),
1958                                )
1959                            }),
1960                        ))
1961                    })
1962                    .when(!message_is_empty, |parent| {
1963                        parent.child(div().pt_0p5().min_h_6().child(self.render_message_content(
1964                            message_id,
1965                            rendered_message,
1966                            has_tool_uses,
1967                            workspace.clone(),
1968                            window,
1969                            cx,
1970                        )))
1971                    })
1972                    .into_any_element()
1973            }
1974        });
1975
1976        let styled_message = match message.role {
1977            Role::User => v_flex()
1978                .id(("message-container", ix))
1979                .pt_2()
1980                .pl_2()
1981                .pr_2p5()
1982                .pb_4()
1983                .child(
1984                    v_flex()
1985                        .id(("user-message", ix))
1986                        .bg(editor_bg_color)
1987                        .rounded_lg()
1988                        .shadow_md()
1989                        .border_1()
1990                        .border_color(colors.border)
1991                        .hover(|hover| hover.border_color(colors.text_accent.opacity(0.5)))
1992                        .cursor_pointer()
1993                        .child(
1994                            h_flex()
1995                                .p_2p5()
1996                                .gap_1()
1997                                .items_end()
1998                                .children(message_content)
1999                                .when_some(editing_message_state, |this, state| {
2000                                    let focus_handle = state.editor.focus_handle(cx).clone();
2001                                    this.w_full().justify_between().child(
2002                                        h_flex()
2003                                            .gap_0p5()
2004                                            .child(
2005                                                IconButton::new(
2006                                                    "cancel-edit-message",
2007                                                    IconName::Close,
2008                                                )
2009                                                .shape(ui::IconButtonShape::Square)
2010                                                .icon_color(Color::Error)
2011                                                .icon_size(IconSize::Small)
2012                                                .tooltip({
2013                                                    let focus_handle = focus_handle.clone();
2014                                                    move |window, cx| {
2015                                                        Tooltip::for_action_in(
2016                                                            "Cancel Edit",
2017                                                            &menu::Cancel,
2018                                                            &focus_handle,
2019                                                            window,
2020                                                            cx,
2021                                                        )
2022                                                    }
2023                                                })
2024                                                .on_click(cx.listener(Self::handle_cancel_click)),
2025                                            )
2026                                            .child(
2027                                                IconButton::new(
2028                                                    "confirm-edit-message",
2029                                                    IconName::Return,
2030                                                )
2031                                                .disabled(state.editor.read(cx).is_empty(cx))
2032                                                .shape(ui::IconButtonShape::Square)
2033                                                .icon_color(Color::Muted)
2034                                                .icon_size(IconSize::Small)
2035                                                .tooltip({
2036                                                    let focus_handle = focus_handle.clone();
2037                                                    move |window, cx| {
2038                                                        Tooltip::for_action_in(
2039                                                            "Regenerate",
2040                                                            &menu::Confirm,
2041                                                            &focus_handle,
2042                                                            window,
2043                                                            cx,
2044                                                        )
2045                                                    }
2046                                                })
2047                                                .on_click(
2048                                                    cx.listener(Self::handle_regenerate_click),
2049                                                ),
2050                                            ),
2051                                    )
2052                                }),
2053                        )
2054                        .on_click(cx.listener({
2055                            let message_segments = message.segments.clone();
2056                            move |this, _, window, cx| {
2057                                this.start_editing_message(
2058                                    message_id,
2059                                    &message_segments,
2060                                    &message_creases,
2061                                    window,
2062                                    cx,
2063                                );
2064                            }
2065                        })),
2066                ),
2067            Role::Assistant => v_flex()
2068                .id(("message-container", ix))
2069                .px(RESPONSE_PADDING_X)
2070                .gap_2()
2071                .children(message_content)
2072                .when(has_tool_uses, |parent| {
2073                    parent.children(tool_uses.into_iter().map(|tool_use| {
2074                        self.render_tool_use(tool_use, window, workspace.clone(), cx)
2075                    }))
2076                }),
2077            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
2078                v_flex()
2079                    .bg(colors.editor_background)
2080                    .rounded_sm()
2081                    .child(div().p_4().children(message_content)),
2082            ),
2083        };
2084
2085        let after_editing_message = self
2086            .editing_message
2087            .as_ref()
2088            .map_or(false, |(editing_message_id, _)| {
2089                message_id > *editing_message_id
2090            });
2091
2092        let panel_background = cx.theme().colors().panel_background;
2093
2094        let backdrop = div()
2095            .id("backdrop")
2096            .stop_mouse_events_except_scroll()
2097            .absolute()
2098            .inset_0()
2099            .size_full()
2100            .bg(panel_background)
2101            .opacity(0.8)
2102            .on_click(cx.listener(Self::handle_cancel_click));
2103
2104        v_flex()
2105            .w_full()
2106            .map(|parent| {
2107                if let Some(checkpoint) = checkpoint.filter(|_| !is_generating) {
2108                    let mut is_pending = false;
2109                    let mut error = None;
2110                    if let Some(last_restore_checkpoint) =
2111                        self.thread.read(cx).last_restore_checkpoint()
2112                    {
2113                        if last_restore_checkpoint.message_id() == message_id {
2114                            match last_restore_checkpoint {
2115                                LastRestoreCheckpoint::Pending { .. } => is_pending = true,
2116                                LastRestoreCheckpoint::Error { error: err, .. } => {
2117                                    error = Some(err.clone());
2118                                }
2119                            }
2120                        }
2121                    }
2122
2123                    let restore_checkpoint_button =
2124                        Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
2125                            .icon(if error.is_some() {
2126                                IconName::XCircle
2127                            } else {
2128                                IconName::Undo
2129                            })
2130                            .icon_size(IconSize::XSmall)
2131                            .icon_position(IconPosition::Start)
2132                            .icon_color(if error.is_some() {
2133                                Some(Color::Error)
2134                            } else {
2135                                None
2136                            })
2137                            .label_size(LabelSize::XSmall)
2138                            .disabled(is_pending)
2139                            .on_click(cx.listener(move |this, _, _window, cx| {
2140                                this.thread.update(cx, |thread, cx| {
2141                                    thread
2142                                        .restore_checkpoint(checkpoint.clone(), cx)
2143                                        .detach_and_log_err(cx);
2144                                });
2145                            }));
2146
2147                    let restore_checkpoint_button = if is_pending {
2148                        restore_checkpoint_button
2149                            .with_animation(
2150                                ("pulsating-restore-checkpoint-button", ix),
2151                                Animation::new(Duration::from_secs(2))
2152                                    .repeat()
2153                                    .with_easing(pulsating_between(0.6, 1.)),
2154                                |label, delta| label.alpha(delta),
2155                            )
2156                            .into_any_element()
2157                    } else if let Some(error) = error {
2158                        restore_checkpoint_button
2159                            .tooltip(Tooltip::text(error.to_string()))
2160                            .into_any_element()
2161                    } else {
2162                        restore_checkpoint_button.into_any_element()
2163                    };
2164
2165                    parent.child(
2166                        h_flex()
2167                            .pt_2p5()
2168                            .px_2p5()
2169                            .w_full()
2170                            .gap_1()
2171                            .child(ui::Divider::horizontal())
2172                            .child(restore_checkpoint_button)
2173                            .child(ui::Divider::horizontal()),
2174                    )
2175                } else {
2176                    parent
2177                }
2178            })
2179            .when(is_first_message, |parent| {
2180                parent.child(self.render_rules_item(cx))
2181            })
2182            .child(styled_message)
2183            .when(is_generating && is_last_message, |this| {
2184                this.child(
2185                    h_flex()
2186                        .h_8()
2187                        .mt_2()
2188                        .mb_4()
2189                        .ml_4()
2190                        .py_1p5()
2191                        .when_some(loading_dots, |this, loading_dots| this.child(loading_dots)),
2192                )
2193            })
2194            .when(show_feedback, move |parent| {
2195                parent.child(feedback_items).when_some(
2196                    self.open_feedback_editors.get(&message_id),
2197                    move |parent, feedback_editor| {
2198                        let focus_handle = feedback_editor.focus_handle(cx);
2199                        parent.child(
2200                            v_flex()
2201                                .key_context("AgentFeedbackMessageEditor")
2202                                .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
2203                                    this.open_feedback_editors.remove(&message_id);
2204                                    cx.notify();
2205                                }))
2206                                .on_action(cx.listener(move |this, _: &menu::Confirm, _, cx| {
2207                                    this.submit_feedback_message(message_id, cx);
2208                                    cx.notify();
2209                                }))
2210                                .on_action(cx.listener(Self::confirm_editing_message))
2211                                .mb_2()
2212                                .mx_4()
2213                                .p_2()
2214                                .rounded_md()
2215                                .border_1()
2216                                .border_color(cx.theme().colors().border)
2217                                .bg(cx.theme().colors().editor_background)
2218                                .child(feedback_editor.clone())
2219                                .child(
2220                                    h_flex()
2221                                        .gap_1()
2222                                        .justify_end()
2223                                        .child(
2224                                            Button::new("dismiss-feedback-message", "Cancel")
2225                                                .label_size(LabelSize::Small)
2226                                                .key_binding(
2227                                                    KeyBinding::for_action_in(
2228                                                        &menu::Cancel,
2229                                                        &focus_handle,
2230                                                        window,
2231                                                        cx,
2232                                                    )
2233                                                    .map(|kb| kb.size(rems_from_px(10.))),
2234                                                )
2235                                                .on_click(cx.listener(
2236                                                    move |this, _, _window, cx| {
2237                                                        this.open_feedback_editors
2238                                                            .remove(&message_id);
2239                                                        cx.notify();
2240                                                    },
2241                                                )),
2242                                        )
2243                                        .child(
2244                                            Button::new(
2245                                                "submit-feedback-message",
2246                                                "Share Feedback",
2247                                            )
2248                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2249                                            .label_size(LabelSize::Small)
2250                                            .key_binding(
2251                                                KeyBinding::for_action_in(
2252                                                    &menu::Confirm,
2253                                                    &focus_handle,
2254                                                    window,
2255                                                    cx,
2256                                                )
2257                                                .map(|kb| kb.size(rems_from_px(10.))),
2258                                            )
2259                                            .on_click(
2260                                                cx.listener(move |this, _, _window, cx| {
2261                                                    this.submit_feedback_message(message_id, cx);
2262                                                    cx.notify()
2263                                                }),
2264                                            ),
2265                                        ),
2266                                ),
2267                        )
2268                    },
2269                )
2270            })
2271            .when(after_editing_message, |parent| {
2272                // Backdrop to dim out the whole thread below the editing user message
2273                parent.relative().child(backdrop)
2274            })
2275            .into_any()
2276    }
2277
2278    fn render_message_content(
2279        &self,
2280        message_id: MessageId,
2281        rendered_message: &RenderedMessage,
2282        has_tool_uses: bool,
2283        workspace: WeakEntity<Workspace>,
2284        window: &Window,
2285        cx: &Context<Self>,
2286    ) -> impl IntoElement {
2287        let is_last_message = self.messages.last() == Some(&message_id);
2288        let is_generating = self.thread.read(cx).is_generating();
2289        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
2290            rendered_message
2291                .segments
2292                .iter()
2293                .enumerate()
2294                .next_back()
2295                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
2296                .map(|(index, _)| index)
2297        } else {
2298            None
2299        };
2300
2301        let message_role = self
2302            .thread
2303            .read(cx)
2304            .message(message_id)
2305            .map(|m| m.role)
2306            .unwrap_or(Role::User);
2307
2308        let is_assistant_message = message_role == Role::Assistant;
2309        let is_user_message = message_role == Role::User;
2310
2311        v_flex()
2312            .text_ui(cx)
2313            .gap_2()
2314            .when(is_user_message, |this| this.text_xs())
2315            .children(
2316                rendered_message.segments.iter().enumerate().map(
2317                    |(index, segment)| match segment {
2318                        RenderedMessageSegment::Thinking {
2319                            content,
2320                            scroll_handle,
2321                        } => self
2322                            .render_message_thinking_segment(
2323                                message_id,
2324                                index,
2325                                content.clone(),
2326                                &scroll_handle,
2327                                Some(index) == pending_thinking_segment_index,
2328                                window,
2329                                cx,
2330                            )
2331                            .into_any_element(),
2332                        RenderedMessageSegment::Text(markdown) => {
2333                            let markdown_element = MarkdownElement::new(
2334                                markdown.clone(),
2335                                if is_user_message {
2336                                    let mut style = default_markdown_style(window, cx);
2337                                    let mut text_style = window.text_style();
2338                                    let theme_settings = ThemeSettings::get_global(cx);
2339
2340                                    let buffer_font = theme_settings.buffer_font.family.clone();
2341                                    let buffer_font_size = TextSize::Small.rems(cx);
2342
2343                                    text_style.refine(&TextStyleRefinement {
2344                                        font_family: Some(buffer_font),
2345                                        font_size: Some(buffer_font_size.into()),
2346                                        ..Default::default()
2347                                    });
2348
2349                                    style.base_text_style = text_style;
2350                                    style
2351                                } else {
2352                                    default_markdown_style(window, cx)
2353                                },
2354                            );
2355
2356                            let markdown_element = if is_assistant_message {
2357                                markdown_element.code_block_renderer(
2358                                    markdown::CodeBlockRenderer::Custom {
2359                                        render: Arc::new({
2360                                            let workspace = workspace.clone();
2361                                            let active_thread = cx.entity();
2362                                            move |kind,
2363                                                  parsed_markdown,
2364                                                  range,
2365                                                  metadata,
2366                                                  window,
2367                                                  cx| {
2368                                                render_markdown_code_block(
2369                                                    message_id,
2370                                                    range.start,
2371                                                    kind,
2372                                                    parsed_markdown,
2373                                                    metadata,
2374                                                    active_thread.clone(),
2375                                                    workspace.clone(),
2376                                                    window,
2377                                                    cx,
2378                                                )
2379                                            }
2380                                        }),
2381                                        transform: Some(Arc::new({
2382                                            let active_thread = cx.entity();
2383
2384                                            move |element, range, _, _, cx| {
2385                                                let is_expanded = active_thread
2386                                                    .read(cx)
2387                                                    .is_codeblock_expanded(message_id, range.start);
2388
2389                                                if is_expanded {
2390                                                    return element;
2391                                                }
2392
2393                                                element
2394                                            }
2395                                        })),
2396                                    },
2397                                )
2398                            } else {
2399                                markdown_element.code_block_renderer(
2400                                    markdown::CodeBlockRenderer::Default {
2401                                        copy_button: false,
2402                                        copy_button_on_hover: false,
2403                                        border: true,
2404                                    },
2405                                )
2406                            };
2407
2408                            div()
2409                                .child(markdown_element.on_url_click({
2410                                    let workspace = self.workspace.clone();
2411                                    move |text, window, cx| {
2412                                        open_markdown_link(text, workspace.clone(), window, cx);
2413                                    }
2414                                }))
2415                                .into_any_element()
2416                        }
2417                    },
2418                ),
2419            )
2420    }
2421
2422    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2423        cx.theme().colors().border.opacity(0.5)
2424    }
2425
2426    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2427        cx.theme()
2428            .colors()
2429            .element_background
2430            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2431    }
2432
2433    fn render_message_thinking_segment(
2434        &self,
2435        message_id: MessageId,
2436        ix: usize,
2437        markdown: Entity<Markdown>,
2438        scroll_handle: &ScrollHandle,
2439        pending: bool,
2440        window: &Window,
2441        cx: &Context<Self>,
2442    ) -> impl IntoElement {
2443        let is_open = self
2444            .expanded_thinking_segments
2445            .get(&(message_id, ix))
2446            .copied()
2447            .unwrap_or_default();
2448
2449        let editor_bg = cx.theme().colors().panel_background;
2450
2451        div().map(|this| {
2452            if pending {
2453                this.v_flex()
2454                    .mt_neg_2()
2455                    .mb_1p5()
2456                    .child(
2457                        h_flex()
2458                            .group("disclosure-header")
2459                            .justify_between()
2460                            .child(
2461                                h_flex()
2462                                    .gap_1p5()
2463                                    .child(
2464                                        Icon::new(IconName::LightBulb)
2465                                            .size(IconSize::XSmall)
2466                                            .color(Color::Muted),
2467                                    )
2468                                    .child(AnimatedLabel::new("Thinking").size(LabelSize::Small)),
2469                            )
2470                            .child(
2471                                h_flex()
2472                                    .gap_1()
2473                                    .child(
2474                                        div().visible_on_hover("disclosure-header").child(
2475                                            Disclosure::new("thinking-disclosure", is_open)
2476                                                .opened_icon(IconName::ChevronUp)
2477                                                .closed_icon(IconName::ChevronDown)
2478                                                .on_click(cx.listener({
2479                                                    move |this, _event, _window, _cx| {
2480                                                        let is_open = this
2481                                                            .expanded_thinking_segments
2482                                                            .entry((message_id, ix))
2483                                                            .or_insert(false);
2484
2485                                                        *is_open = !*is_open;
2486                                                    }
2487                                                })),
2488                                        ),
2489                                    )
2490                                    .child({
2491                                        Icon::new(IconName::ArrowCircle)
2492                                            .color(Color::Accent)
2493                                            .size(IconSize::Small)
2494                                            .with_animation(
2495                                                "arrow-circle",
2496                                                Animation::new(Duration::from_secs(2)).repeat(),
2497                                                |icon, delta| {
2498                                                    icon.transform(Transformation::rotate(
2499                                                        percentage(delta),
2500                                                    ))
2501                                                },
2502                                            )
2503                                    }),
2504                            ),
2505                    )
2506                    .when(!is_open, |this| {
2507                        let gradient_overlay = div()
2508                            .rounded_b_lg()
2509                            .h_full()
2510                            .absolute()
2511                            .w_full()
2512                            .bottom_0()
2513                            .left_0()
2514                            .bg(linear_gradient(
2515                                180.,
2516                                linear_color_stop(editor_bg, 1.),
2517                                linear_color_stop(editor_bg.opacity(0.2), 0.),
2518                            ));
2519
2520                        this.child(
2521                            div()
2522                                .relative()
2523                                .bg(editor_bg)
2524                                .rounded_b_lg()
2525                                .mt_2()
2526                                .pl_4()
2527                                .child(
2528                                    div()
2529                                        .id(("thinking-content", ix))
2530                                        .max_h_20()
2531                                        .track_scroll(scroll_handle)
2532                                        .text_ui_sm(cx)
2533                                        .overflow_hidden()
2534                                        .child(
2535                                            MarkdownElement::new(
2536                                                markdown.clone(),
2537                                                default_markdown_style(window, cx),
2538                                            )
2539                                            .on_url_click({
2540                                                let workspace = self.workspace.clone();
2541                                                move |text, window, cx| {
2542                                                    open_markdown_link(
2543                                                        text,
2544                                                        workspace.clone(),
2545                                                        window,
2546                                                        cx,
2547                                                    );
2548                                                }
2549                                            }),
2550                                        ),
2551                                )
2552                                .child(gradient_overlay),
2553                        )
2554                    })
2555                    .when(is_open, |this| {
2556                        this.child(
2557                            div()
2558                                .id(("thinking-content", ix))
2559                                .h_full()
2560                                .bg(editor_bg)
2561                                .text_ui_sm(cx)
2562                                .child(
2563                                    MarkdownElement::new(
2564                                        markdown.clone(),
2565                                        default_markdown_style(window, cx),
2566                                    )
2567                                    .on_url_click({
2568                                        let workspace = self.workspace.clone();
2569                                        move |text, window, cx| {
2570                                            open_markdown_link(text, workspace.clone(), window, cx);
2571                                        }
2572                                    }),
2573                                ),
2574                        )
2575                    })
2576            } else {
2577                this.v_flex()
2578                    .mt_neg_2()
2579                    .child(
2580                        h_flex()
2581                            .group("disclosure-header")
2582                            .pr_1()
2583                            .justify_between()
2584                            .opacity(0.8)
2585                            .hover(|style| style.opacity(1.))
2586                            .child(
2587                                h_flex()
2588                                    .gap_1p5()
2589                                    .child(
2590                                        Icon::new(IconName::LightBulb)
2591                                            .size(IconSize::XSmall)
2592                                            .color(Color::Muted),
2593                                    )
2594                                    .child(Label::new("Thought Process").size(LabelSize::Small)),
2595                            )
2596                            .child(
2597                                div().visible_on_hover("disclosure-header").child(
2598                                    Disclosure::new("thinking-disclosure", is_open)
2599                                        .opened_icon(IconName::ChevronUp)
2600                                        .closed_icon(IconName::ChevronDown)
2601                                        .on_click(cx.listener({
2602                                            move |this, _event, _window, _cx| {
2603                                                let is_open = this
2604                                                    .expanded_thinking_segments
2605                                                    .entry((message_id, ix))
2606                                                    .or_insert(false);
2607
2608                                                *is_open = !*is_open;
2609                                            }
2610                                        })),
2611                                ),
2612                            ),
2613                    )
2614                    .child(
2615                        div()
2616                            .id(("thinking-content", ix))
2617                            .relative()
2618                            .mt_1p5()
2619                            .ml_1p5()
2620                            .pl_2p5()
2621                            .border_l_1()
2622                            .border_color(cx.theme().colors().border_variant)
2623                            .text_ui_sm(cx)
2624                            .when(is_open, |this| {
2625                                this.child(
2626                                    MarkdownElement::new(
2627                                        markdown.clone(),
2628                                        default_markdown_style(window, cx),
2629                                    )
2630                                    .on_url_click({
2631                                        let workspace = self.workspace.clone();
2632                                        move |text, window, cx| {
2633                                            open_markdown_link(text, workspace.clone(), window, cx);
2634                                        }
2635                                    }),
2636                                )
2637                            }),
2638                    )
2639            }
2640        })
2641    }
2642
2643    fn render_tool_use(
2644        &self,
2645        tool_use: ToolUse,
2646        window: &mut Window,
2647        workspace: WeakEntity<Workspace>,
2648        cx: &mut Context<Self>,
2649    ) -> impl IntoElement + use<> {
2650        if let Some(card) = self.thread.read(cx).card_for_tool(&tool_use.id) {
2651            return card.render(&tool_use.status, window, workspace, cx);
2652        }
2653
2654        let is_open = self
2655            .expanded_tool_uses
2656            .get(&tool_use.id)
2657            .copied()
2658            .unwrap_or_default();
2659
2660        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
2661
2662        let fs = self
2663            .workspace
2664            .upgrade()
2665            .map(|workspace| workspace.read(cx).app_state().fs.clone());
2666        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
2667        let needs_confirmation_tools = tool_use.needs_confirmation;
2668
2669        let status_icons = div().child(match &tool_use.status {
2670            ToolUseStatus::NeedsConfirmation => {
2671                let icon = Icon::new(IconName::Warning)
2672                    .color(Color::Warning)
2673                    .size(IconSize::Small);
2674                icon.into_any_element()
2675            }
2676            ToolUseStatus::Pending
2677            | ToolUseStatus::InputStillStreaming
2678            | ToolUseStatus::Running => {
2679                let icon = Icon::new(IconName::ArrowCircle)
2680                    .color(Color::Accent)
2681                    .size(IconSize::Small);
2682                icon.with_animation(
2683                    "arrow-circle",
2684                    Animation::new(Duration::from_secs(2)).repeat(),
2685                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2686                )
2687                .into_any_element()
2688            }
2689            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
2690            ToolUseStatus::Error(_) => {
2691                let icon = Icon::new(IconName::Close)
2692                    .color(Color::Error)
2693                    .size(IconSize::Small);
2694                icon.into_any_element()
2695            }
2696        });
2697
2698        let rendered_tool_use = self.rendered_tool_uses.get(&tool_use.id).cloned();
2699        let results_content_container = || v_flex().p_2().gap_0p5();
2700
2701        let results_content = v_flex()
2702            .gap_1()
2703            .child(
2704                results_content_container()
2705                    .child(
2706                        Label::new("Input")
2707                            .size(LabelSize::XSmall)
2708                            .color(Color::Muted)
2709                            .buffer_font(cx),
2710                    )
2711                    .child(
2712                        div()
2713                            .w_full()
2714                            .text_ui_sm(cx)
2715                            .children(rendered_tool_use.as_ref().map(|rendered| {
2716                                MarkdownElement::new(
2717                                    rendered.input.clone(),
2718                                    tool_use_markdown_style(window, cx),
2719                                )
2720                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2721                                    copy_button: false,
2722                                    copy_button_on_hover: false,
2723                                    border: false,
2724                                })
2725                                .on_url_click({
2726                                    let workspace = self.workspace.clone();
2727                                    move |text, window, cx| {
2728                                        open_markdown_link(text, workspace.clone(), window, cx);
2729                                    }
2730                                })
2731                            })),
2732                    ),
2733            )
2734            .map(|container| match tool_use.status {
2735                ToolUseStatus::Finished(_) => container.child(
2736                    results_content_container()
2737                        .border_t_1()
2738                        .border_color(self.tool_card_border_color(cx))
2739                        .child(
2740                            Label::new("Result")
2741                                .size(LabelSize::XSmall)
2742                                .color(Color::Muted)
2743                                .buffer_font(cx),
2744                        )
2745                        .child(div().w_full().text_ui_sm(cx).children(
2746                            rendered_tool_use.as_ref().map(|rendered| {
2747                                MarkdownElement::new(
2748                                    rendered.output.clone(),
2749                                    tool_use_markdown_style(window, cx),
2750                                )
2751                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2752                                    copy_button: false,
2753                                    copy_button_on_hover: false,
2754                                    border: false,
2755                                })
2756                                .on_url_click({
2757                                    let workspace = self.workspace.clone();
2758                                    move |text, window, cx| {
2759                                        open_markdown_link(text, workspace.clone(), window, cx);
2760                                    }
2761                                })
2762                                .into_any_element()
2763                            }),
2764                        )),
2765                ),
2766                ToolUseStatus::InputStillStreaming | ToolUseStatus::Running => container.child(
2767                    results_content_container()
2768                        .border_t_1()
2769                        .border_color(self.tool_card_border_color(cx))
2770                        .child(
2771                            h_flex()
2772                                .gap_1()
2773                                .child(
2774                                    Icon::new(IconName::ArrowCircle)
2775                                        .size(IconSize::Small)
2776                                        .color(Color::Accent)
2777                                        .with_animation(
2778                                            "arrow-circle",
2779                                            Animation::new(Duration::from_secs(2)).repeat(),
2780                                            |icon, delta| {
2781                                                icon.transform(Transformation::rotate(percentage(
2782                                                    delta,
2783                                                )))
2784                                            },
2785                                        ),
2786                                )
2787                                .child(
2788                                    Label::new("Running…")
2789                                        .size(LabelSize::XSmall)
2790                                        .color(Color::Muted)
2791                                        .buffer_font(cx),
2792                                ),
2793                        ),
2794                ),
2795                ToolUseStatus::Error(_) => container.child(
2796                    results_content_container()
2797                        .border_t_1()
2798                        .border_color(self.tool_card_border_color(cx))
2799                        .child(
2800                            Label::new("Error")
2801                                .size(LabelSize::XSmall)
2802                                .color(Color::Muted)
2803                                .buffer_font(cx),
2804                        )
2805                        .child(
2806                            div()
2807                                .text_ui_sm(cx)
2808                                .children(rendered_tool_use.as_ref().map(|rendered| {
2809                                    MarkdownElement::new(
2810                                        rendered.output.clone(),
2811                                        tool_use_markdown_style(window, cx),
2812                                    )
2813                                    .on_url_click({
2814                                        let workspace = self.workspace.clone();
2815                                        move |text, window, cx| {
2816                                            open_markdown_link(text, workspace.clone(), window, cx);
2817                                        }
2818                                    })
2819                                    .into_any_element()
2820                                })),
2821                        ),
2822                ),
2823                ToolUseStatus::Pending => container,
2824                ToolUseStatus::NeedsConfirmation => container.child(
2825                    results_content_container()
2826                        .border_t_1()
2827                        .border_color(self.tool_card_border_color(cx))
2828                        .child(
2829                            Label::new("Asking Permission")
2830                                .size(LabelSize::Small)
2831                                .color(Color::Muted)
2832                                .buffer_font(cx),
2833                        ),
2834                ),
2835            });
2836
2837        let gradient_overlay = |color: Hsla| {
2838            div()
2839                .h_full()
2840                .absolute()
2841                .w_12()
2842                .bottom_0()
2843                .map(|element| {
2844                    if is_status_finished {
2845                        element.right_6()
2846                    } else {
2847                        element.right(px(44.))
2848                    }
2849                })
2850                .bg(linear_gradient(
2851                    90.,
2852                    linear_color_stop(color, 1.),
2853                    linear_color_stop(color.opacity(0.2), 0.),
2854                ))
2855        };
2856
2857        v_flex().gap_1().mb_2().map(|element| {
2858            if !needs_confirmation_tools {
2859                element.child(
2860                    v_flex()
2861                        .child(
2862                            h_flex()
2863                                .group("disclosure-header")
2864                                .relative()
2865                                .gap_1p5()
2866                                .justify_between()
2867                                .opacity(0.8)
2868                                .hover(|style| style.opacity(1.))
2869                                .when(!is_status_finished, |this| this.pr_2())
2870                                .child(
2871                                    h_flex()
2872                                        .id("tool-label-container")
2873                                        .gap_1p5()
2874                                        .max_w_full()
2875                                        .overflow_x_scroll()
2876                                        .child(
2877                                            Icon::new(tool_use.icon)
2878                                                .size(IconSize::XSmall)
2879                                                .color(Color::Muted),
2880                                        )
2881                                        .child(
2882                                            h_flex().pr_8().text_size(rems(0.8125)).children(
2883                                                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| {
2884                                                    open_markdown_link(text, workspace.clone(), window, cx);
2885                                                }}))
2886                                            ),
2887                                        ),
2888                                )
2889                                .child(
2890                                    h_flex()
2891                                        .gap_1()
2892                                        .child(
2893                                            div().visible_on_hover("disclosure-header").child(
2894                                                Disclosure::new("tool-use-disclosure", is_open)
2895                                                    .opened_icon(IconName::ChevronUp)
2896                                                    .closed_icon(IconName::ChevronDown)
2897                                                    .on_click(cx.listener({
2898                                                        let tool_use_id = tool_use.id.clone();
2899                                                        move |this, _event, _window, _cx| {
2900                                                            let is_open = this
2901                                                                .expanded_tool_uses
2902                                                                .entry(tool_use_id.clone())
2903                                                                .or_insert(false);
2904
2905                                                            *is_open = !*is_open;
2906                                                        }
2907                                                    })),
2908                                            ),
2909                                        )
2910                                        .child(status_icons),
2911                                )
2912                                .child(gradient_overlay(cx.theme().colors().panel_background)),
2913                        )
2914                        .map(|parent| {
2915                            if !is_open {
2916                                return parent;
2917                            }
2918
2919                            parent.child(
2920                                v_flex()
2921                                    .mt_1()
2922                                    .border_1()
2923                                    .border_color(self.tool_card_border_color(cx))
2924                                    .bg(cx.theme().colors().editor_background)
2925                                    .rounded_lg()
2926                                    .child(results_content),
2927                            )
2928                        }),
2929                )
2930            } else {
2931                v_flex()
2932                    .mb_2()
2933                    .rounded_lg()
2934                    .border_1()
2935                    .border_color(self.tool_card_border_color(cx))
2936                    .overflow_hidden()
2937                    .child(
2938                        h_flex()
2939                            .group("disclosure-header")
2940                            .relative()
2941                            .justify_between()
2942                            .py_1()
2943                            .map(|element| {
2944                                if is_status_finished {
2945                                    element.pl_2().pr_0p5()
2946                                } else {
2947                                    element.px_2()
2948                                }
2949                            })
2950                            .bg(self.tool_card_header_bg(cx))
2951                            .map(|element| {
2952                                if is_open {
2953                                    element.border_b_1().rounded_t_md()
2954                                } else if needs_confirmation {
2955                                    element.rounded_t_md()
2956                                } else {
2957                                    element.rounded_md()
2958                                }
2959                            })
2960                            .border_color(self.tool_card_border_color(cx))
2961                            .child(
2962                                h_flex()
2963                                    .id("tool-label-container")
2964                                    .gap_1p5()
2965                                    .max_w_full()
2966                                    .overflow_x_scroll()
2967                                    .child(
2968                                        Icon::new(tool_use.icon)
2969                                            .size(IconSize::XSmall)
2970                                            .color(Color::Muted),
2971                                    )
2972                                    .child(
2973                                        h_flex().pr_8().text_ui_sm(cx).children(
2974                                            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| {
2975                                                open_markdown_link(text, workspace.clone(), window, cx);
2976                                            }}))
2977                                        ),
2978                                    ),
2979                            )
2980                            .child(
2981                                h_flex()
2982                                    .gap_1()
2983                                    .child(
2984                                        div().visible_on_hover("disclosure-header").child(
2985                                            Disclosure::new("tool-use-disclosure", is_open)
2986                                                .opened_icon(IconName::ChevronUp)
2987                                                .closed_icon(IconName::ChevronDown)
2988                                                .on_click(cx.listener({
2989                                                    let tool_use_id = tool_use.id.clone();
2990                                                    move |this, _event, _window, _cx| {
2991                                                        let is_open = this
2992                                                            .expanded_tool_uses
2993                                                            .entry(tool_use_id.clone())
2994                                                            .or_insert(false);
2995
2996                                                        *is_open = !*is_open;
2997                                                    }
2998                                                })),
2999                                        ),
3000                                    )
3001                                    .child(status_icons),
3002                            )
3003                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
3004                    )
3005                    .map(|parent| {
3006                        if !is_open {
3007                            return parent;
3008                        }
3009
3010                        parent.child(
3011                            v_flex()
3012                                .bg(cx.theme().colors().editor_background)
3013                                .map(|element| {
3014                                    if  needs_confirmation {
3015                                        element.rounded_none()
3016                                    } else {
3017                                        element.rounded_b_lg()
3018                                    }
3019                                })
3020                                .child(results_content),
3021                        )
3022                    })
3023                    .when(needs_confirmation, |this| {
3024                        this.child(
3025                            h_flex()
3026                                .py_1()
3027                                .pl_2()
3028                                .pr_1()
3029                                .gap_1()
3030                                .justify_between()
3031                                .bg(cx.theme().colors().editor_background)
3032                                .border_t_1()
3033                                .border_color(self.tool_card_border_color(cx))
3034                                .rounded_b_lg()
3035                                .child(
3036                                    AnimatedLabel::new("Waiting for Confirmation").size(LabelSize::Small)
3037                                )
3038                                .child(
3039                                    h_flex()
3040                                        .gap_0p5()
3041                                        .child({
3042                                            let tool_id = tool_use.id.clone();
3043                                            Button::new(
3044                                                "always-allow-tool-action",
3045                                                "Always Allow",
3046                                            )
3047                                            .label_size(LabelSize::Small)
3048                                            .icon(IconName::CheckDouble)
3049                                            .icon_position(IconPosition::Start)
3050                                            .icon_size(IconSize::Small)
3051                                            .icon_color(Color::Success)
3052                                            .tooltip(move |window, cx|  {
3053                                                Tooltip::with_meta(
3054                                                    "Never ask for permission",
3055                                                    None,
3056                                                    "Restore the original behavior in your Agent Panel settings",
3057                                                    window,
3058                                                    cx,
3059                                                )
3060                                            })
3061                                            .on_click(cx.listener(
3062                                                move |this, event, window, cx| {
3063                                                    if let Some(fs) = fs.clone() {
3064                                                        update_settings_file::<AssistantSettings>(
3065                                                            fs.clone(),
3066                                                            cx,
3067                                                            |settings, _| {
3068                                                                settings.set_always_allow_tool_actions(true);
3069                                                            },
3070                                                        );
3071                                                    }
3072                                                    this.handle_allow_tool(
3073                                                        tool_id.clone(),
3074                                                        event,
3075                                                        window,
3076                                                        cx,
3077                                                    )
3078                                                },
3079                                            ))
3080                                        })
3081                                        .child(ui::Divider::vertical())
3082                                        .child({
3083                                            let tool_id = tool_use.id.clone();
3084                                            Button::new("allow-tool-action", "Allow")
3085                                                .label_size(LabelSize::Small)
3086                                                .icon(IconName::Check)
3087                                                .icon_position(IconPosition::Start)
3088                                                .icon_size(IconSize::Small)
3089                                                .icon_color(Color::Success)
3090                                                .on_click(cx.listener(
3091                                                    move |this, event, window, cx| {
3092                                                        this.handle_allow_tool(
3093                                                            tool_id.clone(),
3094                                                            event,
3095                                                            window,
3096                                                            cx,
3097                                                        )
3098                                                    },
3099                                                ))
3100                                        })
3101                                        .child({
3102                                            let tool_id = tool_use.id.clone();
3103                                            let tool_name: Arc<str> = tool_use.name.into();
3104                                            Button::new("deny-tool", "Deny")
3105                                                .label_size(LabelSize::Small)
3106                                                .icon(IconName::Close)
3107                                                .icon_position(IconPosition::Start)
3108                                                .icon_size(IconSize::Small)
3109                                                .icon_color(Color::Error)
3110                                                .on_click(cx.listener(
3111                                                    move |this, event, window, cx| {
3112                                                        this.handle_deny_tool(
3113                                                            tool_id.clone(),
3114                                                            tool_name.clone(),
3115                                                            event,
3116                                                            window,
3117                                                            cx,
3118                                                        )
3119                                                    },
3120                                                ))
3121                                        }),
3122                                ),
3123                        )
3124                    })
3125            }
3126        }).into_any_element()
3127    }
3128
3129    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
3130        let project_context = self.thread.read(cx).project_context();
3131        let project_context = project_context.borrow();
3132        let Some(project_context) = project_context.as_ref() else {
3133            return div().into_any();
3134        };
3135
3136        let user_rules_text = if project_context.user_rules.is_empty() {
3137            None
3138        } else if project_context.user_rules.len() == 1 {
3139            let user_rules = &project_context.user_rules[0];
3140
3141            match user_rules.title.as_ref() {
3142                Some(title) => Some(format!("Using \"{title}\" user rule")),
3143                None => Some("Using user rule".into()),
3144            }
3145        } else {
3146            Some(format!(
3147                "Using {} user rules",
3148                project_context.user_rules.len()
3149            ))
3150        };
3151
3152        let first_user_rules_id = project_context
3153            .user_rules
3154            .first()
3155            .map(|user_rules| user_rules.uuid.0);
3156
3157        let rules_files = project_context
3158            .worktrees
3159            .iter()
3160            .filter_map(|worktree| worktree.rules_file.as_ref())
3161            .collect::<Vec<_>>();
3162
3163        let rules_file_text = match rules_files.as_slice() {
3164            &[] => None,
3165            &[rules_file] => Some(format!(
3166                "Using project {:?} file",
3167                rules_file.path_in_worktree
3168            )),
3169            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3170        };
3171
3172        if user_rules_text.is_none() && rules_file_text.is_none() {
3173            return div().into_any();
3174        }
3175
3176        v_flex()
3177            .pt_2()
3178            .px_2p5()
3179            .gap_1()
3180            .when_some(user_rules_text, |parent, user_rules_text| {
3181                parent.child(
3182                    h_flex()
3183                        .w_full()
3184                        .child(
3185                            Icon::new(RULES_ICON)
3186                                .size(IconSize::XSmall)
3187                                .color(Color::Disabled),
3188                        )
3189                        .child(
3190                            Label::new(user_rules_text)
3191                                .size(LabelSize::XSmall)
3192                                .color(Color::Muted)
3193                                .truncate()
3194                                .buffer_font(cx)
3195                                .ml_1p5()
3196                                .mr_0p5(),
3197                        )
3198                        .child(
3199                            IconButton::new("open-prompt-library", IconName::ArrowUpRightAlt)
3200                                .shape(ui::IconButtonShape::Square)
3201                                .icon_size(IconSize::XSmall)
3202                                .icon_color(Color::Ignored)
3203                                // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
3204                                .tooltip(Tooltip::text("View User Rules"))
3205                                .on_click(move |_event, window, cx| {
3206                                    window.dispatch_action(
3207                                        Box::new(OpenRulesLibrary {
3208                                            prompt_to_select: first_user_rules_id,
3209                                        }),
3210                                        cx,
3211                                    )
3212                                }),
3213                        ),
3214                )
3215            })
3216            .when_some(rules_file_text, |parent, rules_file_text| {
3217                parent.child(
3218                    h_flex()
3219                        .w_full()
3220                        .child(
3221                            Icon::new(IconName::File)
3222                                .size(IconSize::XSmall)
3223                                .color(Color::Disabled),
3224                        )
3225                        .child(
3226                            Label::new(rules_file_text)
3227                                .size(LabelSize::XSmall)
3228                                .color(Color::Muted)
3229                                .buffer_font(cx)
3230                                .ml_1p5()
3231                                .mr_0p5(),
3232                        )
3233                        .child(
3234                            IconButton::new("open-rule", IconName::ArrowUpRightAlt)
3235                                .shape(ui::IconButtonShape::Square)
3236                                .icon_size(IconSize::XSmall)
3237                                .icon_color(Color::Ignored)
3238                                .on_click(cx.listener(Self::handle_open_rules))
3239                                .tooltip(Tooltip::text("View Rules")),
3240                        ),
3241                )
3242            })
3243            .into_any()
3244    }
3245
3246    fn handle_allow_tool(
3247        &mut self,
3248        tool_use_id: LanguageModelToolUseId,
3249        _: &ClickEvent,
3250        window: &mut Window,
3251        cx: &mut Context<Self>,
3252    ) {
3253        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
3254            .thread
3255            .read(cx)
3256            .pending_tool(&tool_use_id)
3257            .map(|tool_use| tool_use.status.clone())
3258        {
3259            self.thread.update(cx, |thread, cx| {
3260                if let Some(configured) = thread.get_or_init_configured_model(cx) {
3261                    thread.run_tool(
3262                        c.tool_use_id.clone(),
3263                        c.ui_text.clone(),
3264                        c.input.clone(),
3265                        c.request.clone(),
3266                        c.tool.clone(),
3267                        configured.model,
3268                        Some(window.window_handle()),
3269                        cx,
3270                    );
3271                }
3272            });
3273        }
3274    }
3275
3276    fn handle_deny_tool(
3277        &mut self,
3278        tool_use_id: LanguageModelToolUseId,
3279        tool_name: Arc<str>,
3280        _: &ClickEvent,
3281        window: &mut Window,
3282        cx: &mut Context<Self>,
3283    ) {
3284        let window_handle = window.window_handle();
3285        self.thread.update(cx, |thread, cx| {
3286            thread.deny_tool_use(tool_use_id, tool_name, Some(window_handle), cx);
3287        });
3288    }
3289
3290    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
3291        let project_context = self.thread.read(cx).project_context();
3292        let project_context = project_context.borrow();
3293        let Some(project_context) = project_context.as_ref() else {
3294            return;
3295        };
3296
3297        let project_entry_ids = project_context
3298            .worktrees
3299            .iter()
3300            .flat_map(|worktree| worktree.rules_file.as_ref())
3301            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
3302            .collect::<Vec<_>>();
3303
3304        self.workspace
3305            .update(cx, move |workspace, cx| {
3306                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
3307                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
3308                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
3309                let project = workspace.project().read(cx);
3310                let project_paths = project_entry_ids
3311                    .into_iter()
3312                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
3313                    .collect::<Vec<_>>();
3314                for project_path in project_paths {
3315                    workspace
3316                        .open_path(project_path, None, true, window, cx)
3317                        .detach_and_log_err(cx);
3318                }
3319            })
3320            .ok();
3321    }
3322
3323    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
3324        for window in self.notifications.drain(..) {
3325            window
3326                .update(cx, |_, window, _| {
3327                    window.remove_window();
3328                })
3329                .ok();
3330
3331            self.notification_subscriptions.remove(&window);
3332        }
3333    }
3334
3335    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
3336        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
3337            return None;
3338        }
3339
3340        Some(
3341            div()
3342                .occlude()
3343                .id("active-thread-scrollbar")
3344                .on_mouse_move(cx.listener(|_, _, _, cx| {
3345                    cx.notify();
3346                    cx.stop_propagation()
3347                }))
3348                .on_hover(|_, _, cx| {
3349                    cx.stop_propagation();
3350                })
3351                .on_any_mouse_down(|_, _, cx| {
3352                    cx.stop_propagation();
3353                })
3354                .on_mouse_up(
3355                    MouseButton::Left,
3356                    cx.listener(|_, _, _, cx| {
3357                        cx.stop_propagation();
3358                    }),
3359                )
3360                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3361                    cx.notify();
3362                }))
3363                .h_full()
3364                .absolute()
3365                .right_1()
3366                .top_1()
3367                .bottom_0()
3368                .w(px(12.))
3369                .cursor_default()
3370                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
3371        )
3372    }
3373
3374    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
3375        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
3376        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
3377            cx.background_executor()
3378                .timer(SCROLLBAR_SHOW_INTERVAL)
3379                .await;
3380            thread
3381                .update(cx, |thread, cx| {
3382                    if !thread.scrollbar_state.is_dragging() {
3383                        thread.show_scrollbar = false;
3384                        cx.notify();
3385                    }
3386                })
3387                .log_err();
3388        }))
3389    }
3390
3391    pub fn is_codeblock_expanded(&self, message_id: MessageId, ix: usize) -> bool {
3392        self.expanded_code_blocks
3393            .get(&(message_id, ix))
3394            .copied()
3395            .unwrap_or(true)
3396    }
3397
3398    pub fn toggle_codeblock_expanded(&mut self, message_id: MessageId, ix: usize) {
3399        let is_expanded = self
3400            .expanded_code_blocks
3401            .entry((message_id, ix))
3402            .or_insert(true);
3403        *is_expanded = !*is_expanded;
3404    }
3405
3406    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3407        self.list_state.reset(self.messages.len());
3408        cx.notify();
3409    }
3410}
3411
3412pub enum ActiveThreadEvent {
3413    EditingMessageTokenCountChanged,
3414}
3415
3416impl EventEmitter<ActiveThreadEvent> for ActiveThread {}
3417
3418impl Render for ActiveThread {
3419    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3420        v_flex()
3421            .size_full()
3422            .relative()
3423            .bg(cx.theme().colors().panel_background)
3424            .on_mouse_move(cx.listener(|this, _, _, cx| {
3425                this.show_scrollbar = true;
3426                this.hide_scrollbar_later(cx);
3427                cx.notify();
3428            }))
3429            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
3430                this.show_scrollbar = true;
3431                this.hide_scrollbar_later(cx);
3432                cx.notify();
3433            }))
3434            .on_mouse_up(
3435                MouseButton::Left,
3436                cx.listener(|this, _, _, cx| {
3437                    this.hide_scrollbar_later(cx);
3438                }),
3439            )
3440            .child(list(self.list_state.clone()).flex_grow())
3441            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
3442                this.child(scrollbar)
3443            })
3444    }
3445}
3446
3447pub(crate) fn open_active_thread_as_markdown(
3448    thread: Entity<Thread>,
3449    workspace: Entity<Workspace>,
3450    window: &mut Window,
3451    cx: &mut App,
3452) -> Task<anyhow::Result<()>> {
3453    let markdown_language_task = workspace
3454        .read(cx)
3455        .app_state()
3456        .languages
3457        .language_for_name("Markdown");
3458
3459    window.spawn(cx, async move |cx| {
3460        let markdown_language = markdown_language_task.await?;
3461
3462        workspace.update_in(cx, |workspace, window, cx| {
3463            let thread = thread.read(cx);
3464            let markdown = thread.to_markdown(cx)?;
3465            let thread_summary = thread.summary().or_default().to_string();
3466
3467            let project = workspace.project().clone();
3468
3469            if !project.read(cx).is_local() {
3470                anyhow::bail!("failed to open active thread as markdown in remote project");
3471            }
3472
3473            let buffer = project.update(cx, |project, cx| {
3474                project.create_local_buffer(&markdown, Some(markdown_language), cx)
3475            });
3476            let buffer =
3477                cx.new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone()));
3478
3479            workspace.add_item_to_active_pane(
3480                Box::new(cx.new(|cx| {
3481                    let mut editor =
3482                        Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3483                    editor.set_breadcrumb_header(thread_summary);
3484                    editor
3485                })),
3486                None,
3487                true,
3488                window,
3489                cx,
3490            );
3491
3492            anyhow::Ok(())
3493        })??;
3494        anyhow::Ok(())
3495    })
3496}
3497
3498pub(crate) fn open_context(
3499    context: &AgentContextHandle,
3500    workspace: Entity<Workspace>,
3501    window: &mut Window,
3502    cx: &mut App,
3503) {
3504    match context {
3505        AgentContextHandle::File(file_context) => {
3506            if let Some(project_path) = file_context.project_path(cx) {
3507                workspace.update(cx, |workspace, cx| {
3508                    workspace
3509                        .open_path(project_path, None, true, window, cx)
3510                        .detach_and_log_err(cx);
3511                });
3512            }
3513        }
3514
3515        AgentContextHandle::Directory(directory_context) => {
3516            let entry_id = directory_context.entry_id;
3517            workspace.update(cx, |workspace, cx| {
3518                workspace.project().update(cx, |_project, cx| {
3519                    cx.emit(project::Event::RevealInProjectPanel(entry_id));
3520                })
3521            })
3522        }
3523
3524        AgentContextHandle::Symbol(symbol_context) => {
3525            let buffer = symbol_context.buffer.read(cx);
3526            if let Some(project_path) = buffer.project_path(cx) {
3527                let snapshot = buffer.snapshot();
3528                let target_position = symbol_context.range.start.to_point(&snapshot);
3529                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3530                    .detach();
3531            }
3532        }
3533
3534        AgentContextHandle::Selection(selection_context) => {
3535            let buffer = selection_context.buffer.read(cx);
3536            if let Some(project_path) = buffer.project_path(cx) {
3537                let snapshot = buffer.snapshot();
3538                let target_position = selection_context.range.start.to_point(&snapshot);
3539
3540                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3541                    .detach();
3542            }
3543        }
3544
3545        AgentContextHandle::FetchedUrl(fetched_url_context) => {
3546            cx.open_url(&fetched_url_context.url);
3547        }
3548
3549        AgentContextHandle::Thread(thread_context) => workspace.update(cx, |workspace, cx| {
3550            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3551                panel.update(cx, |panel, cx| {
3552                    panel.open_thread(thread_context.thread.clone(), window, cx);
3553                });
3554            }
3555        }),
3556
3557        AgentContextHandle::TextThread(text_thread_context) => {
3558            workspace.update(cx, |workspace, cx| {
3559                if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3560                    panel.update(cx, |panel, cx| {
3561                        panel.open_prompt_editor(text_thread_context.context.clone(), window, cx)
3562                    });
3563                }
3564            })
3565        }
3566
3567        AgentContextHandle::Rules(rules_context) => window.dispatch_action(
3568            Box::new(OpenRulesLibrary {
3569                prompt_to_select: Some(rules_context.prompt_id.0),
3570            }),
3571            cx,
3572        ),
3573
3574        AgentContextHandle::Image(_) => {}
3575    }
3576}
3577
3578fn open_editor_at_position(
3579    project_path: project::ProjectPath,
3580    target_position: Point,
3581    workspace: &Entity<Workspace>,
3582    window: &mut Window,
3583    cx: &mut App,
3584) -> Task<()> {
3585    let open_task = workspace.update(cx, |workspace, cx| {
3586        workspace.open_path(project_path, None, true, window, cx)
3587    });
3588    window.spawn(cx, async move |cx| {
3589        if let Some(active_editor) = open_task
3590            .await
3591            .log_err()
3592            .and_then(|item| item.downcast::<Editor>())
3593        {
3594            active_editor
3595                .downgrade()
3596                .update_in(cx, |editor, window, cx| {
3597                    editor.go_to_singleton_buffer_point(target_position, window, cx);
3598                })
3599                .log_err();
3600        }
3601    })
3602}