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::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle, ParsedMarkdown};
  37use project::{ProjectEntryId, ProjectItem as _};
  38use rope::Point;
  39use settings::{Settings as _, SettingsStore, update_settings_file};
  40use std::ffi::OsStr;
  41use std::path::Path;
  42use std::rc::Rc;
  43use std::sync::Arc;
  44use std::time::Duration;
  45use text::ToPoint;
  46use theme::ThemeSettings;
  47use ui::{
  48    Disclosure, IconButton, KeyBinding, PopoverMenuHandle, Scrollbar, ScrollbarState, TextSize,
  49    Tooltip, prelude::*,
  50};
  51use util::ResultExt as _;
  52use util::markdown::MarkdownCodeBlock;
  53use workspace::Workspace;
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56pub struct ActiveThread {
  57    context_store: Entity<ContextStore>,
  58    language_registry: Arc<LanguageRegistry>,
  59    thread_store: Entity<ThreadStore>,
  60    text_thread_store: Entity<TextThreadStore>,
  61    thread: Entity<Thread>,
  62    workspace: WeakEntity<Workspace>,
  63    save_thread_task: Option<Task<()>>,
  64    messages: Vec<MessageId>,
  65    list_state: ListState,
  66    scrollbar_state: ScrollbarState,
  67    show_scrollbar: bool,
  68    hide_scrollbar_task: Option<Task<()>>,
  69    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  70    rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
  71    editing_message: Option<(MessageId, EditingMessageState)>,
  72    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  73    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  74    expanded_code_blocks: HashMap<(MessageId, usize), bool>,
  75    last_error: Option<ThreadError>,
  76    notifications: Vec<WindowHandle<AgentNotification>>,
  77    copied_code_block_ids: HashSet<(MessageId, usize)>,
  78    _subscriptions: Vec<Subscription>,
  79    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  80    open_feedback_editors: HashMap<MessageId, Entity<Editor>>,
  81    _load_edited_message_context_task: Option<Task<()>>,
  82}
  83
  84struct RenderedMessage {
  85    language_registry: Arc<LanguageRegistry>,
  86    segments: Vec<RenderedMessageSegment>,
  87}
  88
  89#[derive(Clone)]
  90struct RenderedToolUse {
  91    label: Entity<Markdown>,
  92    input: Entity<Markdown>,
  93    output: Entity<Markdown>,
  94}
  95
  96impl RenderedMessage {
  97    fn from_segments(
  98        segments: &[MessageSegment],
  99        language_registry: Arc<LanguageRegistry>,
 100        cx: &mut App,
 101    ) -> Self {
 102        let mut this = Self {
 103            language_registry,
 104            segments: Vec::with_capacity(segments.len()),
 105        };
 106        for segment in segments {
 107            this.push_segment(segment, cx);
 108        }
 109        this
 110    }
 111
 112    fn append_thinking(&mut self, text: &String, cx: &mut App) {
 113        if let Some(RenderedMessageSegment::Thinking {
 114            content,
 115            scroll_handle,
 116        }) = self.segments.last_mut()
 117        {
 118            content.update(cx, |markdown, cx| {
 119                markdown.append(text, cx);
 120            });
 121            scroll_handle.scroll_to_bottom();
 122        } else {
 123            self.segments.push(RenderedMessageSegment::Thinking {
 124                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 125                scroll_handle: ScrollHandle::default(),
 126            });
 127        }
 128    }
 129
 130    fn append_text(&mut self, text: &String, cx: &mut App) {
 131        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 132            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 133        } else {
 134            self.segments
 135                .push(RenderedMessageSegment::Text(parse_markdown(
 136                    SharedString::from(text),
 137                    self.language_registry.clone(),
 138                    cx,
 139                )));
 140        }
 141    }
 142
 143    fn push_segment(&mut self, segment: &MessageSegment, cx: &mut App) {
 144        match segment {
 145            MessageSegment::Thinking { text, .. } => {
 146                self.segments.push(RenderedMessageSegment::Thinking {
 147                    content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 148                    scroll_handle: ScrollHandle::default(),
 149                })
 150            }
 151            MessageSegment::Text(text) => {
 152                self.segments
 153                    .push(RenderedMessageSegment::Text(parse_markdown(
 154                        text.into(),
 155                        self.language_registry.clone(),
 156                        cx,
 157                    )))
 158            }
 159            MessageSegment::RedactedThinking(_) => {}
 160        };
 161    }
 162}
 163
 164enum RenderedMessageSegment {
 165    Thinking {
 166        content: Entity<Markdown>,
 167        scroll_handle: ScrollHandle,
 168    },
 169    Text(Entity<Markdown>),
 170}
 171
 172fn parse_markdown(
 173    text: SharedString,
 174    language_registry: Arc<LanguageRegistry>,
 175    cx: &mut App,
 176) -> Entity<Markdown> {
 177    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 178}
 179
 180pub(crate) fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 181    let theme_settings = ThemeSettings::get_global(cx);
 182    let colors = cx.theme().colors();
 183    let ui_font_size = TextSize::Default.rems(cx);
 184    let buffer_font_size = TextSize::Small.rems(cx);
 185    let mut text_style = window.text_style();
 186
 187    text_style.refine(&TextStyleRefinement {
 188        font_family: Some(theme_settings.ui_font.family.clone()),
 189        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 190        font_features: Some(theme_settings.ui_font.features.clone()),
 191        font_size: Some(ui_font_size.into()),
 192        color: Some(cx.theme().colors().text),
 193        ..Default::default()
 194    });
 195
 196    MarkdownStyle {
 197        base_text_style: text_style.clone(),
 198        syntax: cx.theme().syntax().clone(),
 199        selection_background_color: cx.theme().players().local().selection,
 200        code_block_overflow_x_scroll: true,
 201        table_overflow_x_scroll: true,
 202        heading_level_styles: Some(HeadingLevelStyles {
 203            h1: Some(TextStyleRefinement {
 204                font_size: Some(rems(1.15).into()),
 205                ..Default::default()
 206            }),
 207            h2: Some(TextStyleRefinement {
 208                font_size: Some(rems(1.1).into()),
 209                ..Default::default()
 210            }),
 211            h3: Some(TextStyleRefinement {
 212                font_size: Some(rems(1.05).into()),
 213                ..Default::default()
 214            }),
 215            h4: Some(TextStyleRefinement {
 216                font_size: Some(rems(1.).into()),
 217                ..Default::default()
 218            }),
 219            h5: Some(TextStyleRefinement {
 220                font_size: Some(rems(0.95).into()),
 221                ..Default::default()
 222            }),
 223            h6: Some(TextStyleRefinement {
 224                font_size: Some(rems(0.875).into()),
 225                ..Default::default()
 226            }),
 227        }),
 228        code_block: StyleRefinement {
 229            padding: EdgesRefinement {
 230                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 231                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 232                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 233                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 234            },
 235            background: Some(colors.editor_background.into()),
 236            text: Some(TextStyleRefinement {
 237                font_family: Some(theme_settings.buffer_font.family.clone()),
 238                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 239                font_features: Some(theme_settings.buffer_font.features.clone()),
 240                font_size: Some(buffer_font_size.into()),
 241                ..Default::default()
 242            }),
 243            ..Default::default()
 244        },
 245        inline_code: TextStyleRefinement {
 246            font_family: Some(theme_settings.buffer_font.family.clone()),
 247            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 248            font_features: Some(theme_settings.buffer_font.features.clone()),
 249            font_size: Some(buffer_font_size.into()),
 250            background_color: Some(colors.editor_foreground.opacity(0.08)),
 251            ..Default::default()
 252        },
 253        link: TextStyleRefinement {
 254            background_color: Some(colors.editor_foreground.opacity(0.025)),
 255            underline: Some(UnderlineStyle {
 256                color: Some(colors.text_accent.opacity(0.5)),
 257                thickness: px(1.),
 258                ..Default::default()
 259            }),
 260            ..Default::default()
 261        },
 262        link_callback: Some(Rc::new(move |url, cx| {
 263            if MentionLink::is_valid(url) {
 264                let colors = cx.theme().colors();
 265                Some(TextStyleRefinement {
 266                    background_color: Some(colors.element_background),
 267                    ..Default::default()
 268                })
 269            } else {
 270                None
 271            }
 272        })),
 273        ..Default::default()
 274    }
 275}
 276
 277fn tool_use_markdown_style(window: &Window, cx: &mut App) -> MarkdownStyle {
 278    let theme_settings = ThemeSettings::get_global(cx);
 279    let colors = cx.theme().colors();
 280    let ui_font_size = TextSize::Default.rems(cx);
 281    let buffer_font_size = TextSize::Small.rems(cx);
 282    let mut text_style = window.text_style();
 283
 284    text_style.refine(&TextStyleRefinement {
 285        font_family: Some(theme_settings.ui_font.family.clone()),
 286        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 287        font_features: Some(theme_settings.ui_font.features.clone()),
 288        font_size: Some(ui_font_size.into()),
 289        color: Some(cx.theme().colors().text),
 290        ..Default::default()
 291    });
 292
 293    MarkdownStyle {
 294        base_text_style: text_style,
 295        syntax: cx.theme().syntax().clone(),
 296        selection_background_color: cx.theme().players().local().selection,
 297        code_block_overflow_x_scroll: true,
 298        code_block: StyleRefinement {
 299            margin: EdgesRefinement::default(),
 300            padding: EdgesRefinement::default(),
 301            background: Some(colors.editor_background.into()),
 302            border_color: None,
 303            border_widths: EdgesRefinement::default(),
 304            text: Some(TextStyleRefinement {
 305                font_family: Some(theme_settings.buffer_font.family.clone()),
 306                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 307                font_features: Some(theme_settings.buffer_font.features.clone()),
 308                font_size: Some(buffer_font_size.into()),
 309                ..Default::default()
 310            }),
 311            ..Default::default()
 312        },
 313        inline_code: TextStyleRefinement {
 314            font_family: Some(theme_settings.buffer_font.family.clone()),
 315            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 316            font_features: Some(theme_settings.buffer_font.features.clone()),
 317            font_size: Some(TextSize::XSmall.rems(cx).into()),
 318            ..Default::default()
 319        },
 320        heading: StyleRefinement {
 321            text: Some(TextStyleRefinement {
 322                font_size: Some(ui_font_size.into()),
 323                ..Default::default()
 324            }),
 325            ..Default::default()
 326        },
 327        ..Default::default()
 328    }
 329}
 330
 331const CODEBLOCK_CONTAINER_GROUP: &str = "codeblock_container";
 332const MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK: usize = 10;
 333
 334fn render_markdown_code_block(
 335    message_id: MessageId,
 336    ix: usize,
 337    kind: &CodeBlockKind,
 338    parsed_markdown: &ParsedMarkdown,
 339    metadata: CodeBlockMetadata,
 340    active_thread: Entity<ActiveThread>,
 341    workspace: WeakEntity<Workspace>,
 342    _window: &Window,
 343    cx: &App,
 344) -> Div {
 345    let label = match kind {
 346        CodeBlockKind::Indented => None,
 347        CodeBlockKind::Fenced => Some(
 348            h_flex()
 349                .gap_1()
 350                .child(
 351                    Icon::new(IconName::Code)
 352                        .color(Color::Muted)
 353                        .size(IconSize::XSmall),
 354                )
 355                .child(Label::new("untitled").size(LabelSize::Small))
 356                .into_any_element(),
 357        ),
 358        CodeBlockKind::FencedLang(raw_language_name) => Some(render_code_language(
 359            parsed_markdown.languages_by_name.get(raw_language_name),
 360            raw_language_name.clone(),
 361            cx,
 362        )),
 363        CodeBlockKind::FencedSrc(path_range) => path_range.path.file_name().map(|file_name| {
 364            // We tell the model to use /dev/null for the path instead of using ```language
 365            // because otherwise it consistently fails to use code citations.
 366            if path_range.path.starts_with("/dev/null") {
 367                let ext = path_range
 368                    .path
 369                    .extension()
 370                    .and_then(OsStr::to_str)
 371                    .map(|str| SharedString::new(str.to_string()))
 372                    .unwrap_or_default();
 373
 374                render_code_language(
 375                    parsed_markdown
 376                        .languages_by_path
 377                        .get(&path_range.path)
 378                        .or_else(|| parsed_markdown.languages_by_name.get(&ext)),
 379                    ext,
 380                    cx,
 381                )
 382            } else {
 383                let content = if let Some(parent) = path_range.path.parent() {
 384                    h_flex()
 385                        .ml_1()
 386                        .gap_1()
 387                        .child(
 388                            Label::new(file_name.to_string_lossy().to_string())
 389                                .size(LabelSize::Small),
 390                        )
 391                        .child(
 392                            Label::new(parent.to_string_lossy().to_string())
 393                                .color(Color::Muted)
 394                                .size(LabelSize::Small),
 395                        )
 396                        .into_any_element()
 397                } else {
 398                    Label::new(path_range.path.to_string_lossy().to_string())
 399                        .size(LabelSize::Small)
 400                        .ml_1()
 401                        .into_any_element()
 402                };
 403
 404                h_flex()
 405                    .id(("code-block-header-label", ix))
 406                    .w_full()
 407                    .max_w_full()
 408                    .px_1()
 409                    .gap_0p5()
 410                    .cursor_pointer()
 411                    .rounded_sm()
 412                    .hover(|item| item.bg(cx.theme().colors().element_hover.opacity(0.5)))
 413                    .tooltip(Tooltip::text("Jump to File"))
 414                    .child(
 415                        h_flex()
 416                            .gap_0p5()
 417                            .children(
 418                                file_icons::FileIcons::get_icon(&path_range.path, cx)
 419                                    .map(Icon::from_path)
 420                                    .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
 421                            )
 422                            .child(content)
 423                            .child(
 424                                Icon::new(IconName::ArrowUpRight)
 425                                    .size(IconSize::XSmall)
 426                                    .color(Color::Ignored),
 427                            ),
 428                    )
 429                    .on_click({
 430                        let path_range = path_range.clone();
 431                        move |_, window, cx| {
 432                            workspace
 433                                .update(cx, {
 434                                    |workspace, cx| {
 435                                        let Some(project_path) = workspace
 436                                            .project()
 437                                            .read(cx)
 438                                            .find_project_path(&path_range.path, cx)
 439                                        else {
 440                                            return;
 441                                        };
 442                                        let Some(target) = path_range.range.as_ref().map(|range| {
 443                                            Point::new(
 444                                                // Line number is 1-based
 445                                                range.start.line.saturating_sub(1),
 446                                                range.start.col.unwrap_or(0),
 447                                            )
 448                                        }) else {
 449                                            return;
 450                                        };
 451                                        let open_task = workspace.open_path(
 452                                            project_path,
 453                                            None,
 454                                            true,
 455                                            window,
 456                                            cx,
 457                                        );
 458                                        window
 459                                            .spawn(cx, async move |cx| {
 460                                                let item = open_task.await?;
 461                                                if let Some(active_editor) =
 462                                                    item.downcast::<Editor>()
 463                                                {
 464                                                    active_editor
 465                                                        .update_in(cx, |editor, window, cx| {
 466                                                            editor.go_to_singleton_buffer_point(
 467                                                                target, window, cx,
 468                                                            );
 469                                                        })
 470                                                        .ok();
 471                                                }
 472                                                anyhow::Ok(())
 473                                            })
 474                                            .detach_and_log_err(cx);
 475                                    }
 476                                })
 477                                .ok();
 478                        }
 479                    })
 480                    .into_any_element()
 481            }
 482        }),
 483    };
 484
 485    let codeblock_was_copied = active_thread
 486        .read(cx)
 487        .copied_code_block_ids
 488        .contains(&(message_id, ix));
 489
 490    let can_expand = metadata.line_count > MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK;
 491
 492    let is_expanded = if can_expand {
 493        active_thread
 494            .read(cx)
 495            .expanded_code_blocks
 496            .get(&(message_id, ix))
 497            .copied()
 498            .unwrap_or(false)
 499    } else {
 500        false
 501    };
 502
 503    let codeblock_header_bg = cx
 504        .theme()
 505        .colors()
 506        .element_background
 507        .blend(cx.theme().colors().editor_foreground.opacity(0.01));
 508
 509    let codeblock_header = h_flex()
 510        .py_1()
 511        .pl_1p5()
 512        .pr_1()
 513        .gap_1()
 514        .justify_between()
 515        .border_b_1()
 516        .border_color(cx.theme().colors().border.opacity(0.6))
 517        .bg(codeblock_header_bg)
 518        .rounded_t_md()
 519        .children(label)
 520        .child(
 521            h_flex()
 522                .visible_on_hover(CODEBLOCK_CONTAINER_GROUP)
 523                .gap_1()
 524                .child(
 525                    IconButton::new(
 526                        ("copy-markdown-code", ix),
 527                        if codeblock_was_copied {
 528                            IconName::Check
 529                        } else {
 530                            IconName::Copy
 531                        },
 532                    )
 533                    .icon_color(Color::Muted)
 534                    .shape(ui::IconButtonShape::Square)
 535                    .tooltip(Tooltip::text("Copy Code"))
 536                    .on_click({
 537                        let active_thread = active_thread.clone();
 538                        let parsed_markdown = parsed_markdown.clone();
 539                        let code_block_range = metadata.content_range.clone();
 540                        move |_event, _window, cx| {
 541                            active_thread.update(cx, |this, cx| {
 542                                this.copied_code_block_ids.insert((message_id, ix));
 543
 544                                let code =
 545                                    parsed_markdown.source()[code_block_range.clone()].to_string();
 546                                cx.write_to_clipboard(ClipboardItem::new_string(code));
 547
 548                                cx.spawn(async move |this, cx| {
 549                                    cx.background_executor().timer(Duration::from_secs(2)).await;
 550
 551                                    cx.update(|cx| {
 552                                        this.update(cx, |this, cx| {
 553                                            this.copied_code_block_ids.remove(&(message_id, ix));
 554                                            cx.notify();
 555                                        })
 556                                    })
 557                                    .ok();
 558                                })
 559                                .detach();
 560                            });
 561                        }
 562                    }),
 563                )
 564                .when(can_expand, |header| {
 565                    header.child(
 566                        IconButton::new(
 567                            ("expand-collapse-code", ix),
 568                            if is_expanded {
 569                                IconName::ChevronUp
 570                            } else {
 571                                IconName::ChevronDown
 572                            },
 573                        )
 574                        .icon_color(Color::Muted)
 575                        .shape(ui::IconButtonShape::Square)
 576                        .tooltip(Tooltip::text(if is_expanded {
 577                            "Collapse Code"
 578                        } else {
 579                            "Expand Code"
 580                        }))
 581                        .on_click({
 582                            let active_thread = active_thread.clone();
 583                            move |_event, _window, cx| {
 584                                active_thread.update(cx, |this, cx| {
 585                                    let is_expanded = this
 586                                        .expanded_code_blocks
 587                                        .entry((message_id, ix))
 588                                        .or_insert(true);
 589                                    *is_expanded = !*is_expanded;
 590                                    cx.notify();
 591                                });
 592                            }
 593                        }),
 594                    )
 595                }),
 596        );
 597
 598    v_flex()
 599        .group(CODEBLOCK_CONTAINER_GROUP)
 600        .my_2()
 601        .overflow_hidden()
 602        .rounded_lg()
 603        .border_1()
 604        .border_color(cx.theme().colors().border.opacity(0.6))
 605        .bg(cx.theme().colors().editor_background)
 606        .child(codeblock_header)
 607        .when(can_expand && !is_expanded, |this| this.max_h_80())
 608}
 609
 610fn render_code_language(
 611    language: Option<&Arc<Language>>,
 612    name_fallback: SharedString,
 613    cx: &App,
 614) -> AnyElement {
 615    let icon_path = language.and_then(|language| {
 616        language
 617            .config()
 618            .matcher
 619            .path_suffixes
 620            .iter()
 621            .find_map(|extension| file_icons::FileIcons::get_icon(Path::new(extension), cx))
 622            .map(Icon::from_path)
 623    });
 624
 625    let language_label = language
 626        .map(|language| language.name().into())
 627        .unwrap_or(name_fallback);
 628
 629    h_flex()
 630        .gap_1()
 631        .children(icon_path.map(|icon| icon.color(Color::Muted).size(IconSize::Small)))
 632        .child(Label::new(language_label).size(LabelSize::Small))
 633        .into_any_element()
 634}
 635
 636fn open_markdown_link(
 637    text: SharedString,
 638    workspace: WeakEntity<Workspace>,
 639    window: &mut Window,
 640    cx: &mut App,
 641) {
 642    let Some(workspace) = workspace.upgrade() else {
 643        cx.open_url(&text);
 644        return;
 645    };
 646
 647    match MentionLink::try_parse(&text, &workspace, cx) {
 648        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 649            if entry.is_dir() {
 650                workspace.project().update(cx, |_, cx| {
 651                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 652                })
 653            } else {
 654                workspace
 655                    .open_path(path, None, true, window, cx)
 656                    .detach_and_log_err(cx);
 657            }
 658        }),
 659        Some(MentionLink::Symbol(path, symbol_name)) => {
 660            let open_task = workspace.update(cx, |workspace, cx| {
 661                workspace.open_path(path, None, true, window, cx)
 662            });
 663            window
 664                .spawn(cx, async move |cx| {
 665                    let active_editor = open_task
 666                        .await?
 667                        .downcast::<Editor>()
 668                        .context("Item is not an editor")?;
 669                    active_editor.update_in(cx, |editor, window, cx| {
 670                        let symbol_range = editor
 671                            .buffer()
 672                            .read(cx)
 673                            .snapshot(cx)
 674                            .outline(None)
 675                            .and_then(|outline| {
 676                                outline
 677                                    .find_most_similar(&symbol_name)
 678                                    .map(|(_, item)| item.range.clone())
 679                            })
 680                            .context("Could not find matching symbol")?;
 681
 682                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 683                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 684                        });
 685                        anyhow::Ok(())
 686                    })
 687                })
 688                .detach_and_log_err(cx);
 689        }
 690        Some(MentionLink::Selection(path, line_range)) => {
 691            let open_task = workspace.update(cx, |workspace, cx| {
 692                workspace.open_path(path, None, true, window, cx)
 693            });
 694            window
 695                .spawn(cx, async move |cx| {
 696                    let active_editor = open_task
 697                        .await?
 698                        .downcast::<Editor>()
 699                        .context("Item is not an editor")?;
 700                    active_editor.update_in(cx, |editor, window, cx| {
 701                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 702                            s.select_ranges([Point::new(line_range.start as u32, 0)
 703                                ..Point::new(line_range.start as u32, 0)])
 704                        });
 705                        anyhow::Ok(())
 706                    })
 707                })
 708                .detach_and_log_err(cx);
 709        }
 710        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 711            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 712                panel.update(cx, |panel, cx| {
 713                    panel
 714                        .open_thread_by_id(&thread_id, window, cx)
 715                        .detach_and_log_err(cx)
 716                });
 717            }
 718        }),
 719        Some(MentionLink::TextThread(path)) => workspace.update(cx, |workspace, cx| {
 720            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 721                panel.update(cx, |panel, cx| {
 722                    panel
 723                        .open_saved_prompt_editor(path, window, cx)
 724                        .detach_and_log_err(cx);
 725                });
 726            }
 727        }),
 728        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 729        Some(MentionLink::Rule(prompt_id)) => window.dispatch_action(
 730            Box::new(OpenRulesLibrary {
 731                prompt_to_select: Some(prompt_id.0),
 732            }),
 733            cx,
 734        ),
 735        None => cx.open_url(&text),
 736    }
 737}
 738
 739struct EditingMessageState {
 740    editor: Entity<Editor>,
 741    context_strip: Entity<ContextStrip>,
 742    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
 743    last_estimated_token_count: Option<usize>,
 744    _subscriptions: [Subscription; 2],
 745    _update_token_count_task: Option<Task<()>>,
 746}
 747
 748impl ActiveThread {
 749    pub fn new(
 750        thread: Entity<Thread>,
 751        thread_store: Entity<ThreadStore>,
 752        text_thread_store: Entity<TextThreadStore>,
 753        context_store: Entity<ContextStore>,
 754        language_registry: Arc<LanguageRegistry>,
 755        workspace: WeakEntity<Workspace>,
 756        window: &mut Window,
 757        cx: &mut Context<Self>,
 758    ) -> Self {
 759        let subscriptions = vec![
 760            cx.observe(&thread, |_, _, cx| cx.notify()),
 761            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 762            cx.subscribe(&thread_store, Self::handle_rules_loading_error),
 763            cx.observe_global::<SettingsStore>(|_, cx| cx.notify()),
 764        ];
 765
 766        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 767            let this = cx.entity().downgrade();
 768            move |ix, window: &mut Window, cx: &mut App| {
 769                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 770                    .unwrap()
 771            }
 772        });
 773        let mut this = Self {
 774            language_registry,
 775            thread_store,
 776            text_thread_store,
 777            context_store,
 778            thread: thread.clone(),
 779            workspace,
 780            save_thread_task: None,
 781            messages: Vec::new(),
 782            rendered_messages_by_id: HashMap::default(),
 783            rendered_tool_uses: HashMap::default(),
 784            expanded_tool_uses: HashMap::default(),
 785            expanded_thinking_segments: HashMap::default(),
 786            expanded_code_blocks: HashMap::default(),
 787            list_state: list_state.clone(),
 788            scrollbar_state: ScrollbarState::new(list_state),
 789            show_scrollbar: false,
 790            hide_scrollbar_task: None,
 791            editing_message: None,
 792            last_error: None,
 793            copied_code_block_ids: HashSet::default(),
 794            notifications: Vec::new(),
 795            _subscriptions: subscriptions,
 796            notification_subscriptions: HashMap::default(),
 797            open_feedback_editors: HashMap::default(),
 798            _load_edited_message_context_task: None,
 799        };
 800
 801        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 802            this.push_message(&message.id, &message.segments, window, cx);
 803
 804            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 805                this.render_tool_use_markdown(
 806                    tool_use.id.clone(),
 807                    tool_use.ui_text.clone(),
 808                    &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
 809                    tool_use.status.text(),
 810                    cx,
 811                );
 812            }
 813        }
 814
 815        this
 816    }
 817
 818    pub fn thread(&self) -> &Entity<Thread> {
 819        &self.thread
 820    }
 821
 822    pub fn is_empty(&self) -> bool {
 823        self.messages.is_empty()
 824    }
 825
 826    pub fn summary<'a>(&'a self, cx: &'a App) -> &'a ThreadSummary {
 827        self.thread.read(cx).summary()
 828    }
 829
 830    pub fn regenerate_summary(&self, cx: &mut App) {
 831        self.thread.update(cx, |thread, cx| thread.summarize(cx))
 832    }
 833
 834    pub fn cancel_last_completion(&mut self, window: &mut Window, cx: &mut App) -> bool {
 835        self.last_error.take();
 836        self.thread.update(cx, |thread, cx| {
 837            thread.cancel_last_completion(Some(window.window_handle()), cx)
 838        })
 839    }
 840
 841    pub fn last_error(&self) -> Option<ThreadError> {
 842        self.last_error.clone()
 843    }
 844
 845    pub fn clear_last_error(&mut self) {
 846        self.last_error.take();
 847    }
 848
 849    /// Returns the editing message id and the estimated token count in the content
 850    pub fn editing_message_id(&self) -> Option<(MessageId, usize)> {
 851        self.editing_message
 852            .as_ref()
 853            .map(|(id, state)| (*id, state.last_estimated_token_count.unwrap_or(0)))
 854    }
 855
 856    pub fn context_store(&self) -> &Entity<ContextStore> {
 857        &self.context_store
 858    }
 859
 860    pub fn thread_store(&self) -> &Entity<ThreadStore> {
 861        &self.thread_store
 862    }
 863
 864    pub fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 865        &self.text_thread_store
 866    }
 867
 868    fn push_message(
 869        &mut self,
 870        id: &MessageId,
 871        segments: &[MessageSegment],
 872        _window: &mut Window,
 873        cx: &mut Context<Self>,
 874    ) {
 875        let old_len = self.messages.len();
 876        self.messages.push(*id);
 877        self.list_state.splice(old_len..old_len, 1);
 878
 879        let rendered_message =
 880            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 881        self.rendered_messages_by_id.insert(*id, rendered_message);
 882    }
 883
 884    fn edited_message(
 885        &mut self,
 886        id: &MessageId,
 887        segments: &[MessageSegment],
 888        _window: &mut Window,
 889        cx: &mut Context<Self>,
 890    ) {
 891        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 892            return;
 893        };
 894        self.list_state.splice(index..index + 1, 1);
 895        let rendered_message =
 896            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 897        self.rendered_messages_by_id.insert(*id, rendered_message);
 898    }
 899
 900    fn deleted_message(&mut self, id: &MessageId) {
 901        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 902            return;
 903        };
 904        self.messages.remove(index);
 905        self.list_state.splice(index..index + 1, 0);
 906        self.rendered_messages_by_id.remove(id);
 907    }
 908
 909    fn render_tool_use_markdown(
 910        &mut self,
 911        tool_use_id: LanguageModelToolUseId,
 912        tool_label: impl Into<SharedString>,
 913        tool_input: &str,
 914        tool_output: SharedString,
 915        cx: &mut Context<Self>,
 916    ) {
 917        let rendered = self
 918            .rendered_tool_uses
 919            .entry(tool_use_id.clone())
 920            .or_insert_with(|| RenderedToolUse {
 921                label: cx.new(|cx| {
 922                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 923                }),
 924                input: cx.new(|cx| {
 925                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 926                }),
 927                output: cx.new(|cx| {
 928                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 929                }),
 930            });
 931
 932        rendered.label.update(cx, |this, cx| {
 933            this.replace(tool_label, cx);
 934        });
 935        rendered.input.update(cx, |this, cx| {
 936            this.replace(
 937                MarkdownCodeBlock {
 938                    tag: "json",
 939                    text: tool_input,
 940                }
 941                .to_string(),
 942                cx,
 943            );
 944        });
 945        rendered.output.update(cx, |this, cx| {
 946            this.replace(tool_output, cx);
 947        });
 948    }
 949
 950    fn handle_thread_event(
 951        &mut self,
 952        _thread: &Entity<Thread>,
 953        event: &ThreadEvent,
 954        window: &mut Window,
 955        cx: &mut Context<Self>,
 956    ) {
 957        match event {
 958            ThreadEvent::CancelEditing => {
 959                if self.editing_message.is_some() {
 960                    self.cancel_editing_message(&menu::Cancel, window, cx);
 961                }
 962            }
 963            ThreadEvent::ShowError(error) => {
 964                self.last_error = Some(error.clone());
 965            }
 966            ThreadEvent::NewRequest | ThreadEvent::CompletionCanceled => {
 967                cx.notify();
 968            }
 969            ThreadEvent::StreamedCompletion
 970            | ThreadEvent::SummaryGenerated
 971            | ThreadEvent::SummaryChanged => {
 972                self.save_thread(cx);
 973            }
 974            ThreadEvent::Stopped(reason) => match reason {
 975                Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
 976                    let thread = self.thread.read(cx);
 977                    self.show_notification(
 978                        if thread.used_tools_since_last_user_message() {
 979                            "Finished running tools"
 980                        } else {
 981                            "New message"
 982                        },
 983                        IconName::ZedAssistant,
 984                        window,
 985                        cx,
 986                    );
 987                }
 988                _ => {}
 989            },
 990            ThreadEvent::ToolConfirmationNeeded => {
 991                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
 992            }
 993            ThreadEvent::StreamedAssistantText(message_id, text) => {
 994                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 995                    rendered_message.append_text(text, cx);
 996                }
 997            }
 998            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
 999                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
1000                    rendered_message.append_thinking(text, cx);
1001                }
1002            }
1003            ThreadEvent::MessageAdded(message_id) => {
1004                if let Some(message_segments) = self
1005                    .thread
1006                    .read(cx)
1007                    .message(*message_id)
1008                    .map(|message| message.segments.clone())
1009                {
1010                    self.push_message(message_id, &message_segments, window, cx);
1011                }
1012
1013                self.save_thread(cx);
1014                cx.notify();
1015            }
1016            ThreadEvent::MessageEdited(message_id) => {
1017                if let Some(message_segments) = self
1018                    .thread
1019                    .read(cx)
1020                    .message(*message_id)
1021                    .map(|message| message.segments.clone())
1022                {
1023                    self.edited_message(message_id, &message_segments, window, cx);
1024                }
1025
1026                self.save_thread(cx);
1027                cx.notify();
1028            }
1029            ThreadEvent::MessageDeleted(message_id) => {
1030                self.deleted_message(message_id);
1031                self.save_thread(cx);
1032                cx.notify();
1033            }
1034            ThreadEvent::UsePendingTools { tool_uses } => {
1035                for tool_use in tool_uses {
1036                    self.render_tool_use_markdown(
1037                        tool_use.id.clone(),
1038                        tool_use.ui_text.clone(),
1039                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1040                        "".into(),
1041                        cx,
1042                    );
1043                }
1044            }
1045            ThreadEvent::StreamedToolUse {
1046                tool_use_id,
1047                ui_text,
1048                input,
1049            } => {
1050                self.render_tool_use_markdown(
1051                    tool_use_id.clone(),
1052                    ui_text.clone(),
1053                    &serde_json::to_string_pretty(&input).unwrap_or_default(),
1054                    "".into(),
1055                    cx,
1056                );
1057            }
1058            ThreadEvent::ToolFinished {
1059                pending_tool_use, ..
1060            } => {
1061                if let Some(tool_use) = pending_tool_use {
1062                    self.render_tool_use_markdown(
1063                        tool_use.id.clone(),
1064                        tool_use.ui_text.clone(),
1065                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1066                        self.thread
1067                            .read(cx)
1068                            .output_for_tool(&tool_use.id)
1069                            .map(|output| output.clone().into())
1070                            .unwrap_or("".into()),
1071                        cx,
1072                    );
1073                }
1074            }
1075            ThreadEvent::CheckpointChanged => cx.notify(),
1076            ThreadEvent::ReceivedTextChunk => {}
1077            ThreadEvent::InvalidToolInput {
1078                tool_use_id,
1079                ui_text,
1080                invalid_input_json,
1081            } => {
1082                self.render_tool_use_markdown(
1083                    tool_use_id.clone(),
1084                    ui_text,
1085                    invalid_input_json,
1086                    self.thread
1087                        .read(cx)
1088                        .output_for_tool(tool_use_id)
1089                        .map(|output| output.clone().into())
1090                        .unwrap_or("".into()),
1091                    cx,
1092                );
1093            }
1094            ThreadEvent::MissingToolUse {
1095                tool_use_id,
1096                ui_text,
1097            } => {
1098                self.render_tool_use_markdown(
1099                    tool_use_id.clone(),
1100                    ui_text,
1101                    "",
1102                    self.thread
1103                        .read(cx)
1104                        .output_for_tool(tool_use_id)
1105                        .map(|output| output.clone().into())
1106                        .unwrap_or("".into()),
1107                    cx,
1108                );
1109            }
1110        }
1111    }
1112
1113    fn handle_rules_loading_error(
1114        &mut self,
1115        _thread_store: Entity<ThreadStore>,
1116        error: &RulesLoadingError,
1117        cx: &mut Context<Self>,
1118    ) {
1119        self.last_error = Some(ThreadError::Message {
1120            header: "Error loading rules file".into(),
1121            message: error.message.clone(),
1122        });
1123        cx.notify();
1124    }
1125
1126    fn show_notification(
1127        &mut self,
1128        caption: impl Into<SharedString>,
1129        icon: IconName,
1130        window: &mut Window,
1131        cx: &mut Context<ActiveThread>,
1132    ) {
1133        if window.is_window_active() || !self.notifications.is_empty() {
1134            return;
1135        }
1136
1137        let title = self.thread.read(cx).summary().unwrap_or("Agent Panel");
1138
1139        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
1140            NotifyWhenAgentWaiting::PrimaryScreen => {
1141                if let Some(primary) = cx.primary_display() {
1142                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
1143                }
1144            }
1145            NotifyWhenAgentWaiting::AllScreens => {
1146                let caption = caption.into();
1147                for screen in cx.displays() {
1148                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
1149                }
1150            }
1151            NotifyWhenAgentWaiting::Never => {
1152                // Don't show anything
1153            }
1154        }
1155    }
1156
1157    fn pop_up(
1158        &mut self,
1159        icon: IconName,
1160        caption: SharedString,
1161        title: SharedString,
1162        window: &mut Window,
1163        screen: Rc<dyn PlatformDisplay>,
1164        cx: &mut Context<'_, ActiveThread>,
1165    ) {
1166        let options = AgentNotification::window_options(screen, cx);
1167
1168        let project_name = self.workspace.upgrade().and_then(|workspace| {
1169            workspace
1170                .read(cx)
1171                .project()
1172                .read(cx)
1173                .visible_worktrees(cx)
1174                .next()
1175                .map(|worktree| worktree.read(cx).root_name().to_string())
1176        });
1177
1178        if let Some(screen_window) = cx
1179            .open_window(options, |_, cx| {
1180                cx.new(|_| {
1181                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
1182                })
1183            })
1184            .log_err()
1185        {
1186            if let Some(pop_up) = screen_window.entity(cx).log_err() {
1187                self.notification_subscriptions
1188                    .entry(screen_window)
1189                    .or_insert_with(Vec::new)
1190                    .push(cx.subscribe_in(&pop_up, window, {
1191                        |this, _, event, window, cx| match event {
1192                            AgentNotificationEvent::Accepted => {
1193                                let handle = window.window_handle();
1194                                cx.activate(true);
1195
1196                                let workspace_handle = this.workspace.clone();
1197
1198                                // If there are multiple Zed windows, activate the correct one.
1199                                cx.defer(move |cx| {
1200                                    handle
1201                                        .update(cx, |_view, window, _cx| {
1202                                            window.activate_window();
1203
1204                                            if let Some(workspace) = workspace_handle.upgrade() {
1205                                                workspace.update(_cx, |workspace, cx| {
1206                                                    workspace.focus_panel::<AgentPanel>(window, cx);
1207                                                });
1208                                            }
1209                                        })
1210                                        .log_err();
1211                                });
1212
1213                                this.dismiss_notifications(cx);
1214                            }
1215                            AgentNotificationEvent::Dismissed => {
1216                                this.dismiss_notifications(cx);
1217                            }
1218                        }
1219                    }));
1220
1221                self.notifications.push(screen_window);
1222
1223                // If the user manually refocuses the original window, dismiss the popup.
1224                self.notification_subscriptions
1225                    .entry(screen_window)
1226                    .or_insert_with(Vec::new)
1227                    .push({
1228                        let pop_up_weak = pop_up.downgrade();
1229
1230                        cx.observe_window_activation(window, move |_, window, cx| {
1231                            if window.is_window_active() {
1232                                if let Some(pop_up) = pop_up_weak.upgrade() {
1233                                    pop_up.update(cx, |_, cx| {
1234                                        cx.emit(AgentNotificationEvent::Dismissed);
1235                                    });
1236                                }
1237                            }
1238                        })
1239                    });
1240            }
1241        }
1242    }
1243
1244    /// Spawns a task to save the active thread.
1245    ///
1246    /// Only one task to save the thread will be in flight at a time.
1247    fn save_thread(&mut self, cx: &mut Context<Self>) {
1248        let thread = self.thread.clone();
1249        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
1250            let task = this
1251                .update(cx, |this, cx| {
1252                    this.thread_store
1253                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
1254                })
1255                .ok();
1256
1257            if let Some(task) = task {
1258                task.await.log_err();
1259            }
1260        }));
1261    }
1262
1263    fn start_editing_message(
1264        &mut self,
1265        message_id: MessageId,
1266        message_segments: &[MessageSegment],
1267        message_creases: &[MessageCrease],
1268        window: &mut Window,
1269        cx: &mut Context<Self>,
1270    ) {
1271        // User message should always consist of a single text segment,
1272        // therefore we can skip returning early if it's not a text segment.
1273        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
1274            return;
1275        };
1276
1277        let editor = crate::message_editor::create_editor(
1278            self.workspace.clone(),
1279            self.context_store.downgrade(),
1280            self.thread_store.downgrade(),
1281            self.text_thread_store.downgrade(),
1282            window,
1283            cx,
1284        );
1285        editor.update(cx, |editor, cx| {
1286            editor.set_text(message_text.clone(), window, cx);
1287            insert_message_creases(editor, message_creases, &self.context_store, window, cx);
1288            editor.focus_handle(cx).focus(window);
1289            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
1290        });
1291        let buffer_edited_subscription = cx.subscribe(&editor, |this, _, event, cx| match event {
1292            EditorEvent::BufferEdited => {
1293                this.update_editing_message_token_count(true, cx);
1294            }
1295            _ => {}
1296        });
1297
1298        let context_picker_menu_handle = PopoverMenuHandle::default();
1299        let context_strip = cx.new(|cx| {
1300            ContextStrip::new(
1301                self.context_store.clone(),
1302                self.workspace.clone(),
1303                Some(self.thread_store.downgrade()),
1304                Some(self.text_thread_store.downgrade()),
1305                context_picker_menu_handle.clone(),
1306                SuggestContextKind::File,
1307                window,
1308                cx,
1309            )
1310        });
1311
1312        let context_strip_subscription =
1313            cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event);
1314
1315        self.editing_message = Some((
1316            message_id,
1317            EditingMessageState {
1318                editor: editor.clone(),
1319                context_strip,
1320                context_picker_menu_handle,
1321                last_estimated_token_count: None,
1322                _subscriptions: [buffer_edited_subscription, context_strip_subscription],
1323                _update_token_count_task: None,
1324            },
1325        ));
1326        self.update_editing_message_token_count(false, cx);
1327        cx.notify();
1328    }
1329
1330    fn handle_context_strip_event(
1331        &mut self,
1332        _context_strip: &Entity<ContextStrip>,
1333        event: &ContextStripEvent,
1334        window: &mut Window,
1335        cx: &mut Context<Self>,
1336    ) {
1337        if let Some((_, state)) = self.editing_message.as_ref() {
1338            match event {
1339                ContextStripEvent::PickerDismissed
1340                | ContextStripEvent::BlurredEmpty
1341                | ContextStripEvent::BlurredDown => {
1342                    let editor_focus_handle = state.editor.focus_handle(cx);
1343                    window.focus(&editor_focus_handle);
1344                }
1345                ContextStripEvent::BlurredUp => {}
1346            }
1347        }
1348    }
1349
1350    fn update_editing_message_token_count(&mut self, debounce: bool, cx: &mut Context<Self>) {
1351        let Some((message_id, state)) = self.editing_message.as_mut() else {
1352            return;
1353        };
1354
1355        cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1356        state._update_token_count_task.take();
1357
1358        let Some(configured_model) = self.thread.read(cx).configured_model() else {
1359            state.last_estimated_token_count.take();
1360            return;
1361        };
1362
1363        let editor = state.editor.clone();
1364        let thread = self.thread.clone();
1365        let message_id = *message_id;
1366
1367        state._update_token_count_task = Some(cx.spawn(async move |this, cx| {
1368            if debounce {
1369                cx.background_executor()
1370                    .timer(Duration::from_millis(200))
1371                    .await;
1372            }
1373
1374            let token_count = if let Some(task) = cx
1375                .update(|cx| {
1376                    let Some(message) = thread.read(cx).message(message_id) else {
1377                        log::error!("Message that was being edited no longer exists");
1378                        return None;
1379                    };
1380                    let message_text = editor.read(cx).text(cx);
1381
1382                    if message_text.is_empty() && message.loaded_context.is_empty() {
1383                        return None;
1384                    }
1385
1386                    let mut request_message = LanguageModelRequestMessage {
1387                        role: language_model::Role::User,
1388                        content: Vec::new(),
1389                        cache: false,
1390                    };
1391
1392                    message
1393                        .loaded_context
1394                        .add_to_request_message(&mut request_message);
1395
1396                    if !message_text.is_empty() {
1397                        request_message
1398                            .content
1399                            .push(MessageContent::Text(message_text));
1400                    }
1401
1402                    let request = language_model::LanguageModelRequest {
1403                        thread_id: None,
1404                        prompt_id: None,
1405                        mode: None,
1406                        messages: vec![request_message],
1407                        tools: vec![],
1408                        tool_choice: None,
1409                        stop: vec![],
1410                        temperature: AssistantSettings::temperature_for_model(
1411                            &configured_model.model,
1412                            cx,
1413                        ),
1414                    };
1415
1416                    Some(configured_model.model.count_tokens(request, cx))
1417                })
1418                .ok()
1419                .flatten()
1420            {
1421                task.await.log_err()
1422            } else {
1423                Some(0)
1424            };
1425
1426            if let Some(token_count) = token_count {
1427                this.update(cx, |this, cx| {
1428                    let Some((_message_id, state)) = this.editing_message.as_mut() else {
1429                        return;
1430                    };
1431
1432                    state.last_estimated_token_count = Some(token_count);
1433                    cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1434                })
1435                .ok();
1436            };
1437        }));
1438    }
1439
1440    fn toggle_context_picker(
1441        &mut self,
1442        _: &crate::ToggleContextPicker,
1443        window: &mut Window,
1444        cx: &mut Context<Self>,
1445    ) {
1446        if let Some((_, state)) = self.editing_message.as_mut() {
1447            let handle = state.context_picker_menu_handle.clone();
1448            window.defer(cx, move |window, cx| {
1449                handle.toggle(window, cx);
1450            });
1451        }
1452    }
1453
1454    fn remove_all_context(
1455        &mut self,
1456        _: &crate::RemoveAllContext,
1457        _window: &mut Window,
1458        cx: &mut Context<Self>,
1459    ) {
1460        self.context_store.update(cx, |store, _cx| store.clear());
1461        cx.notify();
1462    }
1463
1464    fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
1465        if let Some((_, state)) = self.editing_message.as_mut() {
1466            if state.context_picker_menu_handle.is_deployed() {
1467                cx.propagate();
1468            } else {
1469                state.context_strip.focus_handle(cx).focus(window);
1470            }
1471        }
1472    }
1473
1474    fn paste(&mut self, _: &Paste, _window: &mut Window, cx: &mut Context<Self>) {
1475        let images = cx
1476            .read_from_clipboard()
1477            .map(|item| {
1478                item.into_entries()
1479                    .filter_map(|entry| {
1480                        if let ClipboardEntry::Image(image) = entry {
1481                            Some(image)
1482                        } else {
1483                            None
1484                        }
1485                    })
1486                    .collect::<Vec<_>>()
1487            })
1488            .unwrap_or_default();
1489
1490        if images.is_empty() {
1491            return;
1492        }
1493        cx.stop_propagation();
1494
1495        self.context_store.update(cx, |store, cx| {
1496            for image in images {
1497                store.add_image_instance(Arc::new(image), cx);
1498            }
1499        });
1500    }
1501
1502    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1503        self.editing_message.take();
1504        cx.notify();
1505    }
1506
1507    fn confirm_editing_message(
1508        &mut self,
1509        _: &menu::Confirm,
1510        window: &mut Window,
1511        cx: &mut Context<Self>,
1512    ) {
1513        let Some((message_id, state)) = self.editing_message.take() else {
1514            return;
1515        };
1516
1517        let Some(model) = self
1518            .thread
1519            .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
1520        else {
1521            return;
1522        };
1523
1524        if model.provider.must_accept_terms(cx) {
1525            cx.notify();
1526            return;
1527        }
1528
1529        let edited_text = state.editor.read(cx).text(cx);
1530
1531        let new_context = self
1532            .context_store
1533            .read(cx)
1534            .new_context_for_thread(self.thread.read(cx), Some(message_id));
1535
1536        let project = self.thread.read(cx).project().clone();
1537        let prompt_store = self.thread_store.read(cx).prompt_store().clone();
1538
1539        let load_context_task =
1540            crate::context::load_context(new_context, &project, &prompt_store, cx);
1541        self._load_edited_message_context_task =
1542            Some(cx.spawn_in(window, async move |this, cx| {
1543                let context = load_context_task.await;
1544                let _ = this
1545                    .update_in(cx, |this, window, cx| {
1546                        this.thread.update(cx, |thread, cx| {
1547                            thread.edit_message(
1548                                message_id,
1549                                Role::User,
1550                                vec![MessageSegment::Text(edited_text)],
1551                                Some(context.loaded_context),
1552                                cx,
1553                            );
1554                            for message_id in this.messages_after(message_id) {
1555                                thread.delete_message(*message_id, cx);
1556                            }
1557                        });
1558
1559                        this.thread.update(cx, |thread, cx| {
1560                            thread.advance_prompt_id();
1561                            thread.send_to_model(model.model, Some(window.window_handle()), cx);
1562                        });
1563                        this._load_edited_message_context_task = None;
1564                        cx.notify();
1565                    })
1566                    .log_err();
1567            }));
1568    }
1569
1570    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
1571        self.messages
1572            .iter()
1573            .position(|id| *id == message_id)
1574            .map(|index| &self.messages[index + 1..])
1575            .unwrap_or(&[])
1576    }
1577
1578    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1579        self.cancel_editing_message(&menu::Cancel, window, cx);
1580    }
1581
1582    fn handle_regenerate_click(
1583        &mut self,
1584        _: &ClickEvent,
1585        window: &mut Window,
1586        cx: &mut Context<Self>,
1587    ) {
1588        self.confirm_editing_message(&menu::Confirm, window, cx);
1589    }
1590
1591    fn handle_feedback_click(
1592        &mut self,
1593        message_id: MessageId,
1594        feedback: ThreadFeedback,
1595        window: &mut Window,
1596        cx: &mut Context<Self>,
1597    ) {
1598        let report = self.thread.update(cx, |thread, cx| {
1599            thread.report_message_feedback(message_id, feedback, cx)
1600        });
1601
1602        cx.spawn(async move |this, cx| {
1603            report.await?;
1604            this.update(cx, |_this, cx| cx.notify())
1605        })
1606        .detach_and_log_err(cx);
1607
1608        match feedback {
1609            ThreadFeedback::Positive => {
1610                self.open_feedback_editors.remove(&message_id);
1611            }
1612            ThreadFeedback::Negative => {
1613                self.handle_show_feedback_comments(message_id, window, cx);
1614            }
1615        }
1616    }
1617
1618    fn handle_show_feedback_comments(
1619        &mut self,
1620        message_id: MessageId,
1621        window: &mut Window,
1622        cx: &mut Context<Self>,
1623    ) {
1624        let buffer = cx.new(|cx| {
1625            let empty_string = String::new();
1626            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
1627        });
1628
1629        let editor = cx.new(|cx| {
1630            let mut editor = Editor::new(
1631                editor::EditorMode::AutoHeight { max_lines: 4 },
1632                buffer,
1633                None,
1634                window,
1635                cx,
1636            );
1637            editor.set_placeholder_text(
1638                "What went wrong? Share your feedback so we can improve.",
1639                cx,
1640            );
1641            editor
1642        });
1643
1644        editor.read(cx).focus_handle(cx).focus(window);
1645        self.open_feedback_editors.insert(message_id, editor);
1646        cx.notify();
1647    }
1648
1649    fn submit_feedback_message(&mut self, message_id: MessageId, cx: &mut Context<Self>) {
1650        let Some(editor) = self.open_feedback_editors.get(&message_id) else {
1651            return;
1652        };
1653
1654        let report_task = self.thread.update(cx, |thread, cx| {
1655            thread.report_message_feedback(message_id, ThreadFeedback::Negative, cx)
1656        });
1657
1658        let comments = editor.read(cx).text(cx);
1659        if !comments.is_empty() {
1660            let thread_id = self.thread.read(cx).id().clone();
1661            let comments_value = String::from(comments.as_str());
1662
1663            let message_content = self
1664                .thread
1665                .read(cx)
1666                .message(message_id)
1667                .map(|msg| msg.to_string())
1668                .unwrap_or_default();
1669
1670            telemetry::event!(
1671                "Assistant Thread Feedback Comments",
1672                thread_id,
1673                message_id = message_id.0,
1674                message_content,
1675                comments = comments_value
1676            );
1677
1678            self.open_feedback_editors.remove(&message_id);
1679
1680            cx.spawn(async move |this, cx| {
1681                report_task.await?;
1682                this.update(cx, |_this, cx| cx.notify())
1683            })
1684            .detach_and_log_err(cx);
1685        }
1686    }
1687
1688    fn render_edit_message_editor(
1689        &self,
1690        state: &EditingMessageState,
1691        _window: &mut Window,
1692        cx: &Context<Self>,
1693    ) -> impl IntoElement {
1694        let settings = ThemeSettings::get_global(cx);
1695        let font_size = TextSize::Small
1696            .rems(cx)
1697            .to_pixels(settings.agent_font_size(cx));
1698        let line_height = font_size * 1.75;
1699
1700        let colors = cx.theme().colors();
1701
1702        let text_style = TextStyle {
1703            color: colors.text,
1704            font_family: settings.buffer_font.family.clone(),
1705            font_fallbacks: settings.buffer_font.fallbacks.clone(),
1706            font_features: settings.buffer_font.features.clone(),
1707            font_size: font_size.into(),
1708            line_height: line_height.into(),
1709            ..Default::default()
1710        };
1711
1712        v_flex()
1713            .key_context("EditMessageEditor")
1714            .on_action(cx.listener(Self::toggle_context_picker))
1715            .on_action(cx.listener(Self::remove_all_context))
1716            .on_action(cx.listener(Self::move_up))
1717            .on_action(cx.listener(Self::cancel_editing_message))
1718            .on_action(cx.listener(Self::confirm_editing_message))
1719            .capture_action(cx.listener(Self::paste))
1720            .min_h_6()
1721            .flex_grow()
1722            .w_full()
1723            .gap_2()
1724            .child(EditorElement::new(
1725                &state.editor,
1726                EditorStyle {
1727                    background: colors.editor_background,
1728                    local_player: cx.theme().players().local(),
1729                    text: text_style,
1730                    syntax: cx.theme().syntax().clone(),
1731                    ..Default::default()
1732                },
1733            ))
1734            .child(state.context_strip.clone())
1735    }
1736
1737    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
1738        let message_id = self.messages[ix];
1739        let Some(message) = self.thread.read(cx).message(message_id) else {
1740            return Empty.into_any();
1741        };
1742        let message_creases = message.creases.clone();
1743
1744        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
1745            return Empty.into_any();
1746        };
1747
1748        let workspace = self.workspace.clone();
1749        let thread = self.thread.read(cx);
1750
1751        // Get all the data we need from thread before we start using it in closures
1752        let checkpoint = thread.checkpoint_for_message(message_id);
1753        let added_context = thread
1754            .context_for_message(message_id)
1755            .map(|context| AddedContext::new_attached(context, cx))
1756            .collect::<Vec<_>>();
1757
1758        let tool_uses = thread.tool_uses_for_message(message_id, cx);
1759        let has_tool_uses = !tool_uses.is_empty();
1760        let is_generating = thread.is_generating();
1761        let is_generating_stale = thread.is_generation_stale().unwrap_or(false);
1762
1763        let is_first_message = ix == 0;
1764        let is_last_message = ix == self.messages.len() - 1;
1765
1766        let loading_dots = (is_generating_stale && is_last_message)
1767            .then(|| AnimatedLabel::new("").size(LabelSize::Small));
1768
1769        let editing_message_state = self
1770            .editing_message
1771            .as_ref()
1772            .filter(|(id, _)| *id == message_id)
1773            .map(|(_, state)| state);
1774
1775        let colors = cx.theme().colors();
1776        let editor_bg_color = colors.editor_background;
1777
1778        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::DocumentText)
1779            .icon_size(IconSize::XSmall)
1780            .icon_color(Color::Ignored)
1781            .tooltip(Tooltip::text("Open Thread as Markdown"))
1782            .on_click({
1783                let thread = self.thread.clone();
1784                let workspace = self.workspace.clone();
1785                move |_, window, cx| {
1786                    if let Some(workspace) = workspace.upgrade() {
1787                        open_active_thread_as_markdown(thread.clone(), workspace, window, cx)
1788                            .detach_and_log_err(cx);
1789                    }
1790                }
1791            });
1792
1793        // For all items that should be aligned with the LLM's response.
1794        const RESPONSE_PADDING_X: Pixels = px(19.);
1795
1796        let show_feedback = thread.is_turn_end(ix);
1797
1798        let feedback_container = h_flex()
1799            .group("feedback_container")
1800            .mt_1()
1801            .py_2()
1802            .px(RESPONSE_PADDING_X)
1803            .mr_1()
1804            .opacity(0.4)
1805            .hover(|style| style.opacity(1.))
1806            .gap_1p5()
1807            .flex_wrap()
1808            .justify_end();
1809        let feedback_items = match self.thread.read(cx).message_feedback(message_id) {
1810            Some(feedback) => feedback_container
1811                .child(
1812                    div().visible_on_hover("feedback_container").child(
1813                        Label::new(match feedback {
1814                            ThreadFeedback::Positive => "Thanks for your feedback!",
1815                            ThreadFeedback::Negative => {
1816                                "We appreciate your feedback and will use it to improve."
1817                            }
1818                        })
1819                    .color(Color::Muted)
1820                    .size(LabelSize::XSmall)
1821                    .truncate())
1822                )
1823                .child(
1824                    h_flex()
1825                        .child(
1826                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1827                                .icon_size(IconSize::XSmall)
1828                                .icon_color(match feedback {
1829                                    ThreadFeedback::Positive => Color::Accent,
1830                                    ThreadFeedback::Negative => Color::Ignored,
1831                                })
1832                                .tooltip(Tooltip::text("Helpful Response"))
1833                                .on_click(cx.listener(move |this, _, window, cx| {
1834                                    this.handle_feedback_click(
1835                                        message_id,
1836                                        ThreadFeedback::Positive,
1837                                        window,
1838                                        cx,
1839                                    );
1840                                })),
1841                        )
1842                        .child(
1843                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1844                                .icon_size(IconSize::XSmall)
1845                                .icon_color(match feedback {
1846                                    ThreadFeedback::Positive => Color::Ignored,
1847                                    ThreadFeedback::Negative => Color::Accent,
1848                                })
1849                                .tooltip(Tooltip::text("Not Helpful"))
1850                                .on_click(cx.listener(move |this, _, window, cx| {
1851                                    this.handle_feedback_click(
1852                                        message_id,
1853                                        ThreadFeedback::Negative,
1854                                        window,
1855                                        cx,
1856                                    );
1857                                })),
1858                        )
1859                        .child(open_as_markdown),
1860                )
1861                .into_any_element(),
1862            None => feedback_container
1863                .child(
1864                    div().visible_on_hover("feedback_container").child(
1865                        Label::new(
1866                            "Rating the thread sends all of your current conversation to the Zed team.",
1867                        )
1868                        .color(Color::Muted)
1869                    .size(LabelSize::XSmall)
1870                    .truncate())
1871                )
1872                .child(
1873                    h_flex()
1874                        .child(
1875                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1876                                .icon_size(IconSize::XSmall)
1877                                .icon_color(Color::Ignored)
1878                                .tooltip(Tooltip::text("Helpful Response"))
1879                                .on_click(cx.listener(move |this, _, window, cx| {
1880                                    this.handle_feedback_click(
1881                                        message_id,
1882                                        ThreadFeedback::Positive,
1883                                        window,
1884                                        cx,
1885                                    );
1886                                })),
1887                        )
1888                        .child(
1889                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1890                                .icon_size(IconSize::XSmall)
1891                                .icon_color(Color::Ignored)
1892                                .tooltip(Tooltip::text("Not Helpful"))
1893                                .on_click(cx.listener(move |this, _, window, cx| {
1894                                    this.handle_feedback_click(
1895                                        message_id,
1896                                        ThreadFeedback::Negative,
1897                                        window,
1898                                        cx,
1899                                    );
1900                                })),
1901                        )
1902                        .child(open_as_markdown),
1903                )
1904                .into_any_element(),
1905        };
1906
1907        let message_is_empty = message.should_display_content();
1908        let has_content = !message_is_empty || !added_context.is_empty();
1909
1910        let message_content = has_content.then(|| {
1911            if let Some(state) = editing_message_state.as_ref() {
1912                self.render_edit_message_editor(state, window, cx)
1913                    .into_any_element()
1914            } else {
1915                v_flex()
1916                    .w_full()
1917                    .gap_1()
1918                    .when(!message_is_empty, |parent| {
1919                        parent.child(div().min_h_6().child(self.render_message_content(
1920                            message_id,
1921                            rendered_message,
1922                            has_tool_uses,
1923                            workspace.clone(),
1924                            window,
1925                            cx,
1926                        )))
1927                    })
1928                    .when(!added_context.is_empty(), |parent| {
1929                        parent.child(h_flex().flex_wrap().gap_1().children(
1930                            added_context.into_iter().map(|added_context| {
1931                                let context = added_context.handle.clone();
1932                                ContextPill::added(added_context, false, false, None).on_click(
1933                                    Rc::new(cx.listener({
1934                                        let workspace = workspace.clone();
1935                                        move |_, _, window, cx| {
1936                                            if let Some(workspace) = workspace.upgrade() {
1937                                                open_context(&context, workspace, window, cx);
1938                                                cx.notify();
1939                                            }
1940                                        }
1941                                    })),
1942                                )
1943                            }),
1944                        ))
1945                    })
1946                    .into_any_element()
1947            }
1948        });
1949
1950        let styled_message = match message.role {
1951            Role::User => v_flex()
1952                .id(("message-container", ix))
1953                .pt_2()
1954                .pl_2()
1955                .pr_2p5()
1956                .pb_4()
1957                .child(
1958                    v_flex()
1959                        .id(("user-message", ix))
1960                        .bg(editor_bg_color)
1961                        .rounded_lg()
1962                        .shadow_md()
1963                        .border_1()
1964                        .border_color(colors.border)
1965                        .hover(|hover| hover.border_color(colors.text_accent.opacity(0.5)))
1966                        .cursor_pointer()
1967                        .child(
1968                            h_flex()
1969                                .p_2p5()
1970                                .gap_1()
1971                                .children(message_content)
1972                                .when_some(editing_message_state, |this, state| {
1973                                    let focus_handle = state.editor.focus_handle(cx).clone();
1974                                    this.w_full().justify_between().child(
1975                                        h_flex()
1976                                            .gap_0p5()
1977                                            .child(
1978                                                IconButton::new(
1979                                                    "cancel-edit-message",
1980                                                    IconName::Close,
1981                                                )
1982                                                .shape(ui::IconButtonShape::Square)
1983                                                .icon_color(Color::Error)
1984                                                .tooltip({
1985                                                    let focus_handle = focus_handle.clone();
1986                                                    move |window, cx| {
1987                                                        Tooltip::for_action_in(
1988                                                            "Cancel Edit",
1989                                                            &menu::Cancel,
1990                                                            &focus_handle,
1991                                                            window,
1992                                                            cx,
1993                                                        )
1994                                                    }
1995                                                })
1996                                                .on_click(cx.listener(Self::handle_cancel_click)),
1997                                            )
1998                                            .child(
1999                                                IconButton::new(
2000                                                    "confirm-edit-message",
2001                                                    IconName::Check,
2002                                                )
2003                                                .disabled(state.editor.read(cx).is_empty(cx))
2004                                                .shape(ui::IconButtonShape::Square)
2005                                                .icon_color(Color::Success)
2006                                                .tooltip({
2007                                                    let focus_handle = focus_handle.clone();
2008                                                    move |window, cx| {
2009                                                        Tooltip::for_action_in(
2010                                                            "Regenerate",
2011                                                            &menu::Confirm,
2012                                                            &focus_handle,
2013                                                            window,
2014                                                            cx,
2015                                                        )
2016                                                    }
2017                                                })
2018                                                .on_click(
2019                                                    cx.listener(Self::handle_regenerate_click),
2020                                                ),
2021                                            ),
2022                                    )
2023                                }),
2024                        )
2025                        .when(editing_message_state.is_none(), |this| {
2026                            this.tooltip(Tooltip::text("Click To Edit"))
2027                        })
2028                        .on_click(cx.listener({
2029                            let message_segments = message.segments.clone();
2030                            move |this, _, window, cx| {
2031                                this.start_editing_message(
2032                                    message_id,
2033                                    &message_segments,
2034                                    &message_creases,
2035                                    window,
2036                                    cx,
2037                                );
2038                            }
2039                        })),
2040                ),
2041            Role::Assistant => v_flex()
2042                .id(("message-container", ix))
2043                .px(RESPONSE_PADDING_X)
2044                .gap_2()
2045                .children(message_content)
2046                .when(has_tool_uses, |parent| {
2047                    parent.children(tool_uses.into_iter().map(|tool_use| {
2048                        self.render_tool_use(tool_use, window, workspace.clone(), cx)
2049                    }))
2050                }),
2051            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
2052                v_flex()
2053                    .bg(colors.editor_background)
2054                    .rounded_sm()
2055                    .child(div().p_4().children(message_content)),
2056            ),
2057        };
2058
2059        let after_editing_message = self
2060            .editing_message
2061            .as_ref()
2062            .map_or(false, |(editing_message_id, _)| {
2063                message_id > *editing_message_id
2064            });
2065
2066        let panel_background = cx.theme().colors().panel_background;
2067
2068        v_flex()
2069            .w_full()
2070            .map(|parent| {
2071                if let Some(checkpoint) = checkpoint.filter(|_| !is_generating) {
2072                    let mut is_pending = false;
2073                    let mut error = None;
2074                    if let Some(last_restore_checkpoint) =
2075                        self.thread.read(cx).last_restore_checkpoint()
2076                    {
2077                        if last_restore_checkpoint.message_id() == message_id {
2078                            match last_restore_checkpoint {
2079                                LastRestoreCheckpoint::Pending { .. } => is_pending = true,
2080                                LastRestoreCheckpoint::Error { error: err, .. } => {
2081                                    error = Some(err.clone());
2082                                }
2083                            }
2084                        }
2085                    }
2086
2087                    let restore_checkpoint_button =
2088                        Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
2089                            .icon(if error.is_some() {
2090                                IconName::XCircle
2091                            } else {
2092                                IconName::Undo
2093                            })
2094                            .icon_size(IconSize::XSmall)
2095                            .icon_position(IconPosition::Start)
2096                            .icon_color(if error.is_some() {
2097                                Some(Color::Error)
2098                            } else {
2099                                None
2100                            })
2101                            .label_size(LabelSize::XSmall)
2102                            .disabled(is_pending)
2103                            .on_click(cx.listener(move |this, _, _window, cx| {
2104                                this.thread.update(cx, |thread, cx| {
2105                                    thread
2106                                        .restore_checkpoint(checkpoint.clone(), cx)
2107                                        .detach_and_log_err(cx);
2108                                });
2109                            }));
2110
2111                    let restore_checkpoint_button = if is_pending {
2112                        restore_checkpoint_button
2113                            .with_animation(
2114                                ("pulsating-restore-checkpoint-button", ix),
2115                                Animation::new(Duration::from_secs(2))
2116                                    .repeat()
2117                                    .with_easing(pulsating_between(0.6, 1.)),
2118                                |label, delta| label.alpha(delta),
2119                            )
2120                            .into_any_element()
2121                    } else if let Some(error) = error {
2122                        restore_checkpoint_button
2123                            .tooltip(Tooltip::text(error.to_string()))
2124                            .into_any_element()
2125                    } else {
2126                        restore_checkpoint_button.into_any_element()
2127                    };
2128
2129                    parent.child(
2130                        h_flex()
2131                            .pt_2p5()
2132                            .px_2p5()
2133                            .w_full()
2134                            .gap_1()
2135                            .child(ui::Divider::horizontal())
2136                            .child(restore_checkpoint_button)
2137                            .child(ui::Divider::horizontal()),
2138                    )
2139                } else {
2140                    parent
2141                }
2142            })
2143            .when(is_first_message, |parent| {
2144                parent.child(self.render_rules_item(cx))
2145            })
2146            .child(styled_message)
2147            .when(is_generating && is_last_message, |this| {
2148                this.child(
2149                    h_flex()
2150                        .h_8()
2151                        .mt_2()
2152                        .mb_4()
2153                        .ml_4()
2154                        .py_1p5()
2155                        .when_some(loading_dots, |this, loading_dots| this.child(loading_dots)),
2156                )
2157            })
2158            .when(show_feedback, move |parent| {
2159                parent.child(feedback_items).when_some(
2160                    self.open_feedback_editors.get(&message_id),
2161                    move |parent, feedback_editor| {
2162                        let focus_handle = feedback_editor.focus_handle(cx);
2163                        parent.child(
2164                            v_flex()
2165                                .key_context("AgentFeedbackMessageEditor")
2166                                .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
2167                                    this.open_feedback_editors.remove(&message_id);
2168                                    cx.notify();
2169                                }))
2170                                .on_action(cx.listener(move |this, _: &menu::Confirm, _, cx| {
2171                                    this.submit_feedback_message(message_id, cx);
2172                                    cx.notify();
2173                                }))
2174                                .on_action(cx.listener(Self::confirm_editing_message))
2175                                .mb_2()
2176                                .mx_4()
2177                                .p_2()
2178                                .rounded_md()
2179                                .border_1()
2180                                .border_color(cx.theme().colors().border)
2181                                .bg(cx.theme().colors().editor_background)
2182                                .child(feedback_editor.clone())
2183                                .child(
2184                                    h_flex()
2185                                        .gap_1()
2186                                        .justify_end()
2187                                        .child(
2188                                            Button::new("dismiss-feedback-message", "Cancel")
2189                                                .label_size(LabelSize::Small)
2190                                                .key_binding(
2191                                                    KeyBinding::for_action_in(
2192                                                        &menu::Cancel,
2193                                                        &focus_handle,
2194                                                        window,
2195                                                        cx,
2196                                                    )
2197                                                    .map(|kb| kb.size(rems_from_px(10.))),
2198                                                )
2199                                                .on_click(cx.listener(
2200                                                    move |this, _, _window, cx| {
2201                                                        this.open_feedback_editors
2202                                                            .remove(&message_id);
2203                                                        cx.notify();
2204                                                    },
2205                                                )),
2206                                        )
2207                                        .child(
2208                                            Button::new(
2209                                                "submit-feedback-message",
2210                                                "Share Feedback",
2211                                            )
2212                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2213                                            .label_size(LabelSize::Small)
2214                                            .key_binding(
2215                                                KeyBinding::for_action_in(
2216                                                    &menu::Confirm,
2217                                                    &focus_handle,
2218                                                    window,
2219                                                    cx,
2220                                                )
2221                                                .map(|kb| kb.size(rems_from_px(10.))),
2222                                            )
2223                                            .on_click(
2224                                                cx.listener(move |this, _, _window, cx| {
2225                                                    this.submit_feedback_message(message_id, cx);
2226                                                    cx.notify()
2227                                                }),
2228                                            ),
2229                                        ),
2230                                ),
2231                        )
2232                    },
2233                )
2234            })
2235            .when(after_editing_message, |parent| {
2236                // Backdrop to dim out the whole thread below the editing user message
2237                parent.relative().child(
2238                    div()
2239                        .stop_mouse_events_except_scroll()
2240                        .absolute()
2241                        .inset_0()
2242                        .size_full()
2243                        .bg(panel_background)
2244                        .opacity(0.8),
2245                )
2246            })
2247            .into_any()
2248    }
2249
2250    fn render_message_content(
2251        &self,
2252        message_id: MessageId,
2253        rendered_message: &RenderedMessage,
2254        has_tool_uses: bool,
2255        workspace: WeakEntity<Workspace>,
2256        window: &Window,
2257        cx: &Context<Self>,
2258    ) -> impl IntoElement {
2259        let is_last_message = self.messages.last() == Some(&message_id);
2260        let is_generating = self.thread.read(cx).is_generating();
2261        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
2262            rendered_message
2263                .segments
2264                .iter()
2265                .enumerate()
2266                .next_back()
2267                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
2268                .map(|(index, _)| index)
2269        } else {
2270            None
2271        };
2272
2273        let message_role = self
2274            .thread
2275            .read(cx)
2276            .message(message_id)
2277            .map(|m| m.role)
2278            .unwrap_or(Role::User);
2279
2280        let is_assistant_message = message_role == Role::Assistant;
2281        let is_user_message = message_role == Role::User;
2282
2283        v_flex()
2284            .text_ui(cx)
2285            .gap_2()
2286            .when(is_user_message, |this| this.text_xs())
2287            .children(
2288                rendered_message.segments.iter().enumerate().map(
2289                    |(index, segment)| match segment {
2290                        RenderedMessageSegment::Thinking {
2291                            content,
2292                            scroll_handle,
2293                        } => self
2294                            .render_message_thinking_segment(
2295                                message_id,
2296                                index,
2297                                content.clone(),
2298                                &scroll_handle,
2299                                Some(index) == pending_thinking_segment_index,
2300                                window,
2301                                cx,
2302                            )
2303                            .into_any_element(),
2304                        RenderedMessageSegment::Text(markdown) => {
2305                            let markdown_element = MarkdownElement::new(
2306                                markdown.clone(),
2307                                if is_user_message {
2308                                    let mut style = default_markdown_style(window, cx);
2309                                    let mut text_style = window.text_style();
2310                                    let theme_settings = ThemeSettings::get_global(cx);
2311
2312                                    let buffer_font = theme_settings.buffer_font.family.clone();
2313                                    let buffer_font_size = TextSize::Small.rems(cx);
2314
2315                                    text_style.refine(&TextStyleRefinement {
2316                                        font_family: Some(buffer_font),
2317                                        font_size: Some(buffer_font_size.into()),
2318                                        ..Default::default()
2319                                    });
2320
2321                                    style.base_text_style = text_style;
2322                                    style
2323                                } else {
2324                                    default_markdown_style(window, cx)
2325                                },
2326                            );
2327
2328                            let markdown_element = if is_assistant_message {
2329                                markdown_element.code_block_renderer(
2330                                    markdown::CodeBlockRenderer::Custom {
2331                                        render: Arc::new({
2332                                            let workspace = workspace.clone();
2333                                            let active_thread = cx.entity();
2334                                            move |kind,
2335                                                  parsed_markdown,
2336                                                  range,
2337                                                  metadata,
2338                                                  window,
2339                                                  cx| {
2340                                                render_markdown_code_block(
2341                                                    message_id,
2342                                                    range.start,
2343                                                    kind,
2344                                                    parsed_markdown,
2345                                                    metadata,
2346                                                    active_thread.clone(),
2347                                                    workspace.clone(),
2348                                                    window,
2349                                                    cx,
2350                                                )
2351                                            }
2352                                        }),
2353                                        transform: Some(Arc::new({
2354                                            let active_thread = cx.entity();
2355                                            let editor_bg = cx.theme().colors().editor_background;
2356
2357                                            move |el, range, metadata, _, cx| {
2358                                                let can_expand = metadata.line_count
2359                                                    > MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK;
2360                                                if !can_expand {
2361                                                    return el;
2362                                                }
2363
2364                                                let is_expanded = active_thread
2365                                                    .read(cx)
2366                                                    .expanded_code_blocks
2367                                                    .get(&(message_id, range.start))
2368                                                    .copied()
2369                                                    .unwrap_or(false);
2370                                                if is_expanded {
2371                                                    return el;
2372                                                }
2373
2374                                                el.child(
2375                                                    div()
2376                                                        .absolute()
2377                                                        .bottom_0()
2378                                                        .left_0()
2379                                                        .w_full()
2380                                                        .h_1_4()
2381                                                        .rounded_b_lg()
2382                                                        .bg(linear_gradient(
2383                                                            0.,
2384                                                            linear_color_stop(editor_bg, 0.),
2385                                                            linear_color_stop(
2386                                                                editor_bg.opacity(0.),
2387                                                                1.,
2388                                                            ),
2389                                                        )),
2390                                                )
2391                                            }
2392                                        })),
2393                                    },
2394                                )
2395                            } else {
2396                                markdown_element.code_block_renderer(
2397                                    markdown::CodeBlockRenderer::Default {
2398                                        copy_button: false,
2399                                        copy_button_on_hover: false,
2400                                        border: true,
2401                                    },
2402                                )
2403                            };
2404
2405                            div()
2406                                .child(markdown_element.on_url_click({
2407                                    let workspace = self.workspace.clone();
2408                                    move |text, window, cx| {
2409                                        open_markdown_link(text, workspace.clone(), window, cx);
2410                                    }
2411                                }))
2412                                .into_any_element()
2413                        }
2414                    },
2415                ),
2416            )
2417    }
2418
2419    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2420        cx.theme().colors().border.opacity(0.5)
2421    }
2422
2423    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2424        cx.theme()
2425            .colors()
2426            .element_background
2427            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2428    }
2429
2430    fn render_message_thinking_segment(
2431        &self,
2432        message_id: MessageId,
2433        ix: usize,
2434        markdown: Entity<Markdown>,
2435        scroll_handle: &ScrollHandle,
2436        pending: bool,
2437        window: &Window,
2438        cx: &Context<Self>,
2439    ) -> impl IntoElement {
2440        let is_open = self
2441            .expanded_thinking_segments
2442            .get(&(message_id, ix))
2443            .copied()
2444            .unwrap_or_default();
2445
2446        let editor_bg = cx.theme().colors().panel_background;
2447
2448        div().map(|this| {
2449            if pending {
2450                this.v_flex()
2451                    .mt_neg_2()
2452                    .mb_1p5()
2453                    .child(
2454                        h_flex()
2455                            .group("disclosure-header")
2456                            .justify_between()
2457                            .child(
2458                                h_flex()
2459                                    .gap_1p5()
2460                                    .child(
2461                                        Icon::new(IconName::LightBulb)
2462                                            .size(IconSize::XSmall)
2463                                            .color(Color::Muted),
2464                                    )
2465                                    .child(AnimatedLabel::new("Thinking").size(LabelSize::Small)),
2466                            )
2467                            .child(
2468                                h_flex()
2469                                    .gap_1()
2470                                    .child(
2471                                        div().visible_on_hover("disclosure-header").child(
2472                                            Disclosure::new("thinking-disclosure", is_open)
2473                                                .opened_icon(IconName::ChevronUp)
2474                                                .closed_icon(IconName::ChevronDown)
2475                                                .on_click(cx.listener({
2476                                                    move |this, _event, _window, _cx| {
2477                                                        let is_open = this
2478                                                            .expanded_thinking_segments
2479                                                            .entry((message_id, ix))
2480                                                            .or_insert(false);
2481
2482                                                        *is_open = !*is_open;
2483                                                    }
2484                                                })),
2485                                        ),
2486                                    )
2487                                    .child({
2488                                        Icon::new(IconName::ArrowCircle)
2489                                            .color(Color::Accent)
2490                                            .size(IconSize::Small)
2491                                            .with_animation(
2492                                                "arrow-circle",
2493                                                Animation::new(Duration::from_secs(2)).repeat(),
2494                                                |icon, delta| {
2495                                                    icon.transform(Transformation::rotate(
2496                                                        percentage(delta),
2497                                                    ))
2498                                                },
2499                                            )
2500                                    }),
2501                            ),
2502                    )
2503                    .when(!is_open, |this| {
2504                        let gradient_overlay = div()
2505                            .rounded_b_lg()
2506                            .h_full()
2507                            .absolute()
2508                            .w_full()
2509                            .bottom_0()
2510                            .left_0()
2511                            .bg(linear_gradient(
2512                                180.,
2513                                linear_color_stop(editor_bg, 1.),
2514                                linear_color_stop(editor_bg.opacity(0.2), 0.),
2515                            ));
2516
2517                        this.child(
2518                            div()
2519                                .relative()
2520                                .bg(editor_bg)
2521                                .rounded_b_lg()
2522                                .mt_2()
2523                                .pl_4()
2524                                .child(
2525                                    div()
2526                                        .id(("thinking-content", ix))
2527                                        .max_h_20()
2528                                        .track_scroll(scroll_handle)
2529                                        .text_ui_sm(cx)
2530                                        .overflow_hidden()
2531                                        .child(
2532                                            MarkdownElement::new(
2533                                                markdown.clone(),
2534                                                default_markdown_style(window, cx),
2535                                            )
2536                                            .on_url_click({
2537                                                let workspace = self.workspace.clone();
2538                                                move |text, window, cx| {
2539                                                    open_markdown_link(
2540                                                        text,
2541                                                        workspace.clone(),
2542                                                        window,
2543                                                        cx,
2544                                                    );
2545                                                }
2546                                            }),
2547                                        ),
2548                                )
2549                                .child(gradient_overlay),
2550                        )
2551                    })
2552                    .when(is_open, |this| {
2553                        this.child(
2554                            div()
2555                                .id(("thinking-content", ix))
2556                                .h_full()
2557                                .bg(editor_bg)
2558                                .text_ui_sm(cx)
2559                                .child(
2560                                    MarkdownElement::new(
2561                                        markdown.clone(),
2562                                        default_markdown_style(window, cx),
2563                                    )
2564                                    .on_url_click({
2565                                        let workspace = self.workspace.clone();
2566                                        move |text, window, cx| {
2567                                            open_markdown_link(text, workspace.clone(), window, cx);
2568                                        }
2569                                    }),
2570                                ),
2571                        )
2572                    })
2573            } else {
2574                this.v_flex()
2575                    .mt_neg_2()
2576                    .child(
2577                        h_flex()
2578                            .group("disclosure-header")
2579                            .pr_1()
2580                            .justify_between()
2581                            .opacity(0.8)
2582                            .hover(|style| style.opacity(1.))
2583                            .child(
2584                                h_flex()
2585                                    .gap_1p5()
2586                                    .child(
2587                                        Icon::new(IconName::LightBulb)
2588                                            .size(IconSize::XSmall)
2589                                            .color(Color::Muted),
2590                                    )
2591                                    .child(Label::new("Thought Process").size(LabelSize::Small)),
2592                            )
2593                            .child(
2594                                div().visible_on_hover("disclosure-header").child(
2595                                    Disclosure::new("thinking-disclosure", is_open)
2596                                        .opened_icon(IconName::ChevronUp)
2597                                        .closed_icon(IconName::ChevronDown)
2598                                        .on_click(cx.listener({
2599                                            move |this, _event, _window, _cx| {
2600                                                let is_open = this
2601                                                    .expanded_thinking_segments
2602                                                    .entry((message_id, ix))
2603                                                    .or_insert(false);
2604
2605                                                *is_open = !*is_open;
2606                                            }
2607                                        })),
2608                                ),
2609                            ),
2610                    )
2611                    .child(
2612                        div()
2613                            .id(("thinking-content", ix))
2614                            .relative()
2615                            .mt_1p5()
2616                            .ml_1p5()
2617                            .pl_2p5()
2618                            .border_l_1()
2619                            .border_color(cx.theme().colors().border_variant)
2620                            .text_ui_sm(cx)
2621                            .when(is_open, |this| {
2622                                this.child(
2623                                    MarkdownElement::new(
2624                                        markdown.clone(),
2625                                        default_markdown_style(window, cx),
2626                                    )
2627                                    .on_url_click({
2628                                        let workspace = self.workspace.clone();
2629                                        move |text, window, cx| {
2630                                            open_markdown_link(text, workspace.clone(), window, cx);
2631                                        }
2632                                    }),
2633                                )
2634                            }),
2635                    )
2636            }
2637        })
2638    }
2639
2640    fn render_tool_use(
2641        &self,
2642        tool_use: ToolUse,
2643        window: &mut Window,
2644        workspace: WeakEntity<Workspace>,
2645        cx: &mut Context<Self>,
2646    ) -> impl IntoElement + use<> {
2647        if let Some(card) = self.thread.read(cx).card_for_tool(&tool_use.id) {
2648            return card.render(&tool_use.status, window, workspace, cx);
2649        }
2650
2651        let is_open = self
2652            .expanded_tool_uses
2653            .get(&tool_use.id)
2654            .copied()
2655            .unwrap_or_default();
2656
2657        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
2658
2659        let fs = self
2660            .workspace
2661            .upgrade()
2662            .map(|workspace| workspace.read(cx).app_state().fs.clone());
2663        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
2664        let needs_confirmation_tools = tool_use.needs_confirmation;
2665
2666        let status_icons = div().child(match &tool_use.status {
2667            ToolUseStatus::NeedsConfirmation => {
2668                let icon = Icon::new(IconName::Warning)
2669                    .color(Color::Warning)
2670                    .size(IconSize::Small);
2671                icon.into_any_element()
2672            }
2673            ToolUseStatus::Pending
2674            | ToolUseStatus::InputStillStreaming
2675            | ToolUseStatus::Running => {
2676                let icon = Icon::new(IconName::ArrowCircle)
2677                    .color(Color::Accent)
2678                    .size(IconSize::Small);
2679                icon.with_animation(
2680                    "arrow-circle",
2681                    Animation::new(Duration::from_secs(2)).repeat(),
2682                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2683                )
2684                .into_any_element()
2685            }
2686            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
2687            ToolUseStatus::Error(_) => {
2688                let icon = Icon::new(IconName::Close)
2689                    .color(Color::Error)
2690                    .size(IconSize::Small);
2691                icon.into_any_element()
2692            }
2693        });
2694
2695        let rendered_tool_use = self.rendered_tool_uses.get(&tool_use.id).cloned();
2696        let results_content_container = || v_flex().p_2().gap_0p5();
2697
2698        let results_content = v_flex()
2699            .gap_1()
2700            .child(
2701                results_content_container()
2702                    .child(
2703                        Label::new("Input")
2704                            .size(LabelSize::XSmall)
2705                            .color(Color::Muted)
2706                            .buffer_font(cx),
2707                    )
2708                    .child(
2709                        div()
2710                            .w_full()
2711                            .text_ui_sm(cx)
2712                            .children(rendered_tool_use.as_ref().map(|rendered| {
2713                                MarkdownElement::new(
2714                                    rendered.input.clone(),
2715                                    tool_use_markdown_style(window, cx),
2716                                )
2717                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2718                                    copy_button: false,
2719                                    copy_button_on_hover: false,
2720                                    border: false,
2721                                })
2722                                .on_url_click({
2723                                    let workspace = self.workspace.clone();
2724                                    move |text, window, cx| {
2725                                        open_markdown_link(text, workspace.clone(), window, cx);
2726                                    }
2727                                })
2728                            })),
2729                    ),
2730            )
2731            .map(|container| match tool_use.status {
2732                ToolUseStatus::Finished(_) => container.child(
2733                    results_content_container()
2734                        .border_t_1()
2735                        .border_color(self.tool_card_border_color(cx))
2736                        .child(
2737                            Label::new("Result")
2738                                .size(LabelSize::XSmall)
2739                                .color(Color::Muted)
2740                                .buffer_font(cx),
2741                        )
2742                        .child(div().w_full().text_ui_sm(cx).children(
2743                            rendered_tool_use.as_ref().map(|rendered| {
2744                                MarkdownElement::new(
2745                                    rendered.output.clone(),
2746                                    tool_use_markdown_style(window, cx),
2747                                )
2748                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2749                                    copy_button: false,
2750                                    copy_button_on_hover: false,
2751                                    border: false,
2752                                })
2753                                .on_url_click({
2754                                    let workspace = self.workspace.clone();
2755                                    move |text, window, cx| {
2756                                        open_markdown_link(text, workspace.clone(), window, cx);
2757                                    }
2758                                })
2759                                .into_any_element()
2760                            }),
2761                        )),
2762                ),
2763                ToolUseStatus::InputStillStreaming | ToolUseStatus::Running => container.child(
2764                    results_content_container()
2765                        .border_t_1()
2766                        .border_color(self.tool_card_border_color(cx))
2767                        .child(
2768                            h_flex()
2769                                .gap_1()
2770                                .child(
2771                                    Icon::new(IconName::ArrowCircle)
2772                                        .size(IconSize::Small)
2773                                        .color(Color::Accent)
2774                                        .with_animation(
2775                                            "arrow-circle",
2776                                            Animation::new(Duration::from_secs(2)).repeat(),
2777                                            |icon, delta| {
2778                                                icon.transform(Transformation::rotate(percentage(
2779                                                    delta,
2780                                                )))
2781                                            },
2782                                        ),
2783                                )
2784                                .child(
2785                                    Label::new("Running…")
2786                                        .size(LabelSize::XSmall)
2787                                        .color(Color::Muted)
2788                                        .buffer_font(cx),
2789                                ),
2790                        ),
2791                ),
2792                ToolUseStatus::Error(_) => container.child(
2793                    results_content_container()
2794                        .border_t_1()
2795                        .border_color(self.tool_card_border_color(cx))
2796                        .child(
2797                            Label::new("Error")
2798                                .size(LabelSize::XSmall)
2799                                .color(Color::Muted)
2800                                .buffer_font(cx),
2801                        )
2802                        .child(
2803                            div()
2804                                .text_ui_sm(cx)
2805                                .children(rendered_tool_use.as_ref().map(|rendered| {
2806                                    MarkdownElement::new(
2807                                        rendered.output.clone(),
2808                                        tool_use_markdown_style(window, cx),
2809                                    )
2810                                    .on_url_click({
2811                                        let workspace = self.workspace.clone();
2812                                        move |text, window, cx| {
2813                                            open_markdown_link(text, workspace.clone(), window, cx);
2814                                        }
2815                                    })
2816                                    .into_any_element()
2817                                })),
2818                        ),
2819                ),
2820                ToolUseStatus::Pending => container,
2821                ToolUseStatus::NeedsConfirmation => container.child(
2822                    results_content_container()
2823                        .border_t_1()
2824                        .border_color(self.tool_card_border_color(cx))
2825                        .child(
2826                            Label::new("Asking Permission")
2827                                .size(LabelSize::Small)
2828                                .color(Color::Muted)
2829                                .buffer_font(cx),
2830                        ),
2831                ),
2832            });
2833
2834        let gradient_overlay = |color: Hsla| {
2835            div()
2836                .h_full()
2837                .absolute()
2838                .w_12()
2839                .bottom_0()
2840                .map(|element| {
2841                    if is_status_finished {
2842                        element.right_6()
2843                    } else {
2844                        element.right(px(44.))
2845                    }
2846                })
2847                .bg(linear_gradient(
2848                    90.,
2849                    linear_color_stop(color, 1.),
2850                    linear_color_stop(color.opacity(0.2), 0.),
2851                ))
2852        };
2853
2854        v_flex().gap_1().mb_2().map(|element| {
2855            if !needs_confirmation_tools {
2856                element.child(
2857                    v_flex()
2858                        .child(
2859                            h_flex()
2860                                .group("disclosure-header")
2861                                .relative()
2862                                .gap_1p5()
2863                                .justify_between()
2864                                .opacity(0.8)
2865                                .hover(|style| style.opacity(1.))
2866                                .when(!is_status_finished, |this| this.pr_2())
2867                                .child(
2868                                    h_flex()
2869                                        .id("tool-label-container")
2870                                        .gap_1p5()
2871                                        .max_w_full()
2872                                        .overflow_x_scroll()
2873                                        .child(
2874                                            Icon::new(tool_use.icon)
2875                                                .size(IconSize::XSmall)
2876                                                .color(Color::Muted),
2877                                        )
2878                                        .child(
2879                                            h_flex().pr_8().text_size(rems(0.8125)).children(
2880                                                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| {
2881                                                    open_markdown_link(text, workspace.clone(), window, cx);
2882                                                }}))
2883                                            ),
2884                                        ),
2885                                )
2886                                .child(
2887                                    h_flex()
2888                                        .gap_1()
2889                                        .child(
2890                                            div().visible_on_hover("disclosure-header").child(
2891                                                Disclosure::new("tool-use-disclosure", is_open)
2892                                                    .opened_icon(IconName::ChevronUp)
2893                                                    .closed_icon(IconName::ChevronDown)
2894                                                    .on_click(cx.listener({
2895                                                        let tool_use_id = tool_use.id.clone();
2896                                                        move |this, _event, _window, _cx| {
2897                                                            let is_open = this
2898                                                                .expanded_tool_uses
2899                                                                .entry(tool_use_id.clone())
2900                                                                .or_insert(false);
2901
2902                                                            *is_open = !*is_open;
2903                                                        }
2904                                                    })),
2905                                            ),
2906                                        )
2907                                        .child(status_icons),
2908                                )
2909                                .child(gradient_overlay(cx.theme().colors().panel_background)),
2910                        )
2911                        .map(|parent| {
2912                            if !is_open {
2913                                return parent;
2914                            }
2915
2916                            parent.child(
2917                                v_flex()
2918                                    .mt_1()
2919                                    .border_1()
2920                                    .border_color(self.tool_card_border_color(cx))
2921                                    .bg(cx.theme().colors().editor_background)
2922                                    .rounded_lg()
2923                                    .child(results_content),
2924                            )
2925                        }),
2926                )
2927            } else {
2928                v_flex()
2929                    .mb_2()
2930                    .rounded_lg()
2931                    .border_1()
2932                    .border_color(self.tool_card_border_color(cx))
2933                    .overflow_hidden()
2934                    .child(
2935                        h_flex()
2936                            .group("disclosure-header")
2937                            .relative()
2938                            .justify_between()
2939                            .py_1()
2940                            .map(|element| {
2941                                if is_status_finished {
2942                                    element.pl_2().pr_0p5()
2943                                } else {
2944                                    element.px_2()
2945                                }
2946                            })
2947                            .bg(self.tool_card_header_bg(cx))
2948                            .map(|element| {
2949                                if is_open {
2950                                    element.border_b_1().rounded_t_md()
2951                                } else if needs_confirmation {
2952                                    element.rounded_t_md()
2953                                } else {
2954                                    element.rounded_md()
2955                                }
2956                            })
2957                            .border_color(self.tool_card_border_color(cx))
2958                            .child(
2959                                h_flex()
2960                                    .id("tool-label-container")
2961                                    .gap_1p5()
2962                                    .max_w_full()
2963                                    .overflow_x_scroll()
2964                                    .child(
2965                                        Icon::new(tool_use.icon)
2966                                            .size(IconSize::XSmall)
2967                                            .color(Color::Muted),
2968                                    )
2969                                    .child(
2970                                        h_flex().pr_8().text_ui_sm(cx).children(
2971                                            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| {
2972                                                open_markdown_link(text, workspace.clone(), window, cx);
2973                                            }}))
2974                                        ),
2975                                    ),
2976                            )
2977                            .child(
2978                                h_flex()
2979                                    .gap_1()
2980                                    .child(
2981                                        div().visible_on_hover("disclosure-header").child(
2982                                            Disclosure::new("tool-use-disclosure", is_open)
2983                                                .opened_icon(IconName::ChevronUp)
2984                                                .closed_icon(IconName::ChevronDown)
2985                                                .on_click(cx.listener({
2986                                                    let tool_use_id = tool_use.id.clone();
2987                                                    move |this, _event, _window, _cx| {
2988                                                        let is_open = this
2989                                                            .expanded_tool_uses
2990                                                            .entry(tool_use_id.clone())
2991                                                            .or_insert(false);
2992
2993                                                        *is_open = !*is_open;
2994                                                    }
2995                                                })),
2996                                        ),
2997                                    )
2998                                    .child(status_icons),
2999                            )
3000                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
3001                    )
3002                    .map(|parent| {
3003                        if !is_open {
3004                            return parent;
3005                        }
3006
3007                        parent.child(
3008                            v_flex()
3009                                .bg(cx.theme().colors().editor_background)
3010                                .map(|element| {
3011                                    if  needs_confirmation {
3012                                        element.rounded_none()
3013                                    } else {
3014                                        element.rounded_b_lg()
3015                                    }
3016                                })
3017                                .child(results_content),
3018                        )
3019                    })
3020                    .when(needs_confirmation, |this| {
3021                        this.child(
3022                            h_flex()
3023                                .py_1()
3024                                .pl_2()
3025                                .pr_1()
3026                                .gap_1()
3027                                .justify_between()
3028                                .bg(cx.theme().colors().editor_background)
3029                                .border_t_1()
3030                                .border_color(self.tool_card_border_color(cx))
3031                                .rounded_b_lg()
3032                                .child(
3033                                    AnimatedLabel::new("Waiting for Confirmation").size(LabelSize::Small)
3034                                )
3035                                .child(
3036                                    h_flex()
3037                                        .gap_0p5()
3038                                        .child({
3039                                            let tool_id = tool_use.id.clone();
3040                                            Button::new(
3041                                                "always-allow-tool-action",
3042                                                "Always Allow",
3043                                            )
3044                                            .label_size(LabelSize::Small)
3045                                            .icon(IconName::CheckDouble)
3046                                            .icon_position(IconPosition::Start)
3047                                            .icon_size(IconSize::Small)
3048                                            .icon_color(Color::Success)
3049                                            .tooltip(move |window, cx|  {
3050                                                Tooltip::with_meta(
3051                                                    "Never ask for permission",
3052                                                    None,
3053                                                    "Restore the original behavior in your Agent Panel settings",
3054                                                    window,
3055                                                    cx,
3056                                                )
3057                                            })
3058                                            .on_click(cx.listener(
3059                                                move |this, event, window, cx| {
3060                                                    if let Some(fs) = fs.clone() {
3061                                                        update_settings_file::<AssistantSettings>(
3062                                                            fs.clone(),
3063                                                            cx,
3064                                                            |settings, _| {
3065                                                                settings.set_always_allow_tool_actions(true);
3066                                                            },
3067                                                        );
3068                                                    }
3069                                                    this.handle_allow_tool(
3070                                                        tool_id.clone(),
3071                                                        event,
3072                                                        window,
3073                                                        cx,
3074                                                    )
3075                                                },
3076                                            ))
3077                                        })
3078                                        .child(ui::Divider::vertical())
3079                                        .child({
3080                                            let tool_id = tool_use.id.clone();
3081                                            Button::new("allow-tool-action", "Allow")
3082                                                .label_size(LabelSize::Small)
3083                                                .icon(IconName::Check)
3084                                                .icon_position(IconPosition::Start)
3085                                                .icon_size(IconSize::Small)
3086                                                .icon_color(Color::Success)
3087                                                .on_click(cx.listener(
3088                                                    move |this, event, window, cx| {
3089                                                        this.handle_allow_tool(
3090                                                            tool_id.clone(),
3091                                                            event,
3092                                                            window,
3093                                                            cx,
3094                                                        )
3095                                                    },
3096                                                ))
3097                                        })
3098                                        .child({
3099                                            let tool_id = tool_use.id.clone();
3100                                            let tool_name: Arc<str> = tool_use.name.into();
3101                                            Button::new("deny-tool", "Deny")
3102                                                .label_size(LabelSize::Small)
3103                                                .icon(IconName::Close)
3104                                                .icon_position(IconPosition::Start)
3105                                                .icon_size(IconSize::Small)
3106                                                .icon_color(Color::Error)
3107                                                .on_click(cx.listener(
3108                                                    move |this, event, window, cx| {
3109                                                        this.handle_deny_tool(
3110                                                            tool_id.clone(),
3111                                                            tool_name.clone(),
3112                                                            event,
3113                                                            window,
3114                                                            cx,
3115                                                        )
3116                                                    },
3117                                                ))
3118                                        }),
3119                                ),
3120                        )
3121                    })
3122            }
3123        }).into_any_element()
3124    }
3125
3126    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
3127        let project_context = self.thread.read(cx).project_context();
3128        let project_context = project_context.borrow();
3129        let Some(project_context) = project_context.as_ref() else {
3130            return div().into_any();
3131        };
3132
3133        let user_rules_text = if project_context.user_rules.is_empty() {
3134            None
3135        } else if project_context.user_rules.len() == 1 {
3136            let user_rules = &project_context.user_rules[0];
3137
3138            match user_rules.title.as_ref() {
3139                Some(title) => Some(format!("Using \"{title}\" user rule")),
3140                None => Some("Using user rule".into()),
3141            }
3142        } else {
3143            Some(format!(
3144                "Using {} user rules",
3145                project_context.user_rules.len()
3146            ))
3147        };
3148
3149        let first_user_rules_id = project_context
3150            .user_rules
3151            .first()
3152            .map(|user_rules| user_rules.uuid.0);
3153
3154        let rules_files = project_context
3155            .worktrees
3156            .iter()
3157            .filter_map(|worktree| worktree.rules_file.as_ref())
3158            .collect::<Vec<_>>();
3159
3160        let rules_file_text = match rules_files.as_slice() {
3161            &[] => None,
3162            &[rules_file] => Some(format!(
3163                "Using project {:?} file",
3164                rules_file.path_in_worktree
3165            )),
3166            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3167        };
3168
3169        if user_rules_text.is_none() && rules_file_text.is_none() {
3170            return div().into_any();
3171        }
3172
3173        v_flex()
3174            .pt_2()
3175            .px_2p5()
3176            .gap_1()
3177            .when_some(user_rules_text, |parent, user_rules_text| {
3178                parent.child(
3179                    h_flex()
3180                        .w_full()
3181                        .child(
3182                            Icon::new(RULES_ICON)
3183                                .size(IconSize::XSmall)
3184                                .color(Color::Disabled),
3185                        )
3186                        .child(
3187                            Label::new(user_rules_text)
3188                                .size(LabelSize::XSmall)
3189                                .color(Color::Muted)
3190                                .truncate()
3191                                .buffer_font(cx)
3192                                .ml_1p5()
3193                                .mr_0p5(),
3194                        )
3195                        .child(
3196                            IconButton::new("open-prompt-library", IconName::ArrowUpRightAlt)
3197                                .shape(ui::IconButtonShape::Square)
3198                                .icon_size(IconSize::XSmall)
3199                                .icon_color(Color::Ignored)
3200                                // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
3201                                .tooltip(Tooltip::text("View User Rules"))
3202                                .on_click(move |_event, window, cx| {
3203                                    window.dispatch_action(
3204                                        Box::new(OpenRulesLibrary {
3205                                            prompt_to_select: first_user_rules_id,
3206                                        }),
3207                                        cx,
3208                                    )
3209                                }),
3210                        ),
3211                )
3212            })
3213            .when_some(rules_file_text, |parent, rules_file_text| {
3214                parent.child(
3215                    h_flex()
3216                        .w_full()
3217                        .child(
3218                            Icon::new(IconName::File)
3219                                .size(IconSize::XSmall)
3220                                .color(Color::Disabled),
3221                        )
3222                        .child(
3223                            Label::new(rules_file_text)
3224                                .size(LabelSize::XSmall)
3225                                .color(Color::Muted)
3226                                .buffer_font(cx)
3227                                .ml_1p5()
3228                                .mr_0p5(),
3229                        )
3230                        .child(
3231                            IconButton::new("open-rule", IconName::ArrowUpRightAlt)
3232                                .shape(ui::IconButtonShape::Square)
3233                                .icon_size(IconSize::XSmall)
3234                                .icon_color(Color::Ignored)
3235                                .on_click(cx.listener(Self::handle_open_rules))
3236                                .tooltip(Tooltip::text("View Rules")),
3237                        ),
3238                )
3239            })
3240            .into_any()
3241    }
3242
3243    fn handle_allow_tool(
3244        &mut self,
3245        tool_use_id: LanguageModelToolUseId,
3246        _: &ClickEvent,
3247        window: &mut Window,
3248        cx: &mut Context<Self>,
3249    ) {
3250        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
3251            .thread
3252            .read(cx)
3253            .pending_tool(&tool_use_id)
3254            .map(|tool_use| tool_use.status.clone())
3255        {
3256            self.thread.update(cx, |thread, cx| {
3257                if let Some(configured) = thread.get_or_init_configured_model(cx) {
3258                    thread.run_tool(
3259                        c.tool_use_id.clone(),
3260                        c.ui_text.clone(),
3261                        c.input.clone(),
3262                        c.request.clone(),
3263                        c.tool.clone(),
3264                        configured.model,
3265                        Some(window.window_handle()),
3266                        cx,
3267                    );
3268                }
3269            });
3270        }
3271    }
3272
3273    fn handle_deny_tool(
3274        &mut self,
3275        tool_use_id: LanguageModelToolUseId,
3276        tool_name: Arc<str>,
3277        _: &ClickEvent,
3278        window: &mut Window,
3279        cx: &mut Context<Self>,
3280    ) {
3281        let window_handle = window.window_handle();
3282        self.thread.update(cx, |thread, cx| {
3283            thread.deny_tool_use(tool_use_id, tool_name, Some(window_handle), cx);
3284        });
3285    }
3286
3287    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
3288        let project_context = self.thread.read(cx).project_context();
3289        let project_context = project_context.borrow();
3290        let Some(project_context) = project_context.as_ref() else {
3291            return;
3292        };
3293
3294        let project_entry_ids = project_context
3295            .worktrees
3296            .iter()
3297            .flat_map(|worktree| worktree.rules_file.as_ref())
3298            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
3299            .collect::<Vec<_>>();
3300
3301        self.workspace
3302            .update(cx, move |workspace, cx| {
3303                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
3304                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
3305                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
3306                let project = workspace.project().read(cx);
3307                let project_paths = project_entry_ids
3308                    .into_iter()
3309                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
3310                    .collect::<Vec<_>>();
3311                for project_path in project_paths {
3312                    workspace
3313                        .open_path(project_path, None, true, window, cx)
3314                        .detach_and_log_err(cx);
3315                }
3316            })
3317            .ok();
3318    }
3319
3320    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
3321        for window in self.notifications.drain(..) {
3322            window
3323                .update(cx, |_, window, _| {
3324                    window.remove_window();
3325                })
3326                .ok();
3327
3328            self.notification_subscriptions.remove(&window);
3329        }
3330    }
3331
3332    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
3333        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
3334            return None;
3335        }
3336
3337        Some(
3338            div()
3339                .occlude()
3340                .id("active-thread-scrollbar")
3341                .on_mouse_move(cx.listener(|_, _, _, cx| {
3342                    cx.notify();
3343                    cx.stop_propagation()
3344                }))
3345                .on_hover(|_, _, cx| {
3346                    cx.stop_propagation();
3347                })
3348                .on_any_mouse_down(|_, _, cx| {
3349                    cx.stop_propagation();
3350                })
3351                .on_mouse_up(
3352                    MouseButton::Left,
3353                    cx.listener(|_, _, _, cx| {
3354                        cx.stop_propagation();
3355                    }),
3356                )
3357                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3358                    cx.notify();
3359                }))
3360                .h_full()
3361                .absolute()
3362                .right_1()
3363                .top_1()
3364                .bottom_0()
3365                .w(px(12.))
3366                .cursor_default()
3367                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
3368        )
3369    }
3370
3371    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
3372        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
3373        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
3374            cx.background_executor()
3375                .timer(SCROLLBAR_SHOW_INTERVAL)
3376                .await;
3377            thread
3378                .update(cx, |thread, cx| {
3379                    if !thread.scrollbar_state.is_dragging() {
3380                        thread.show_scrollbar = false;
3381                        cx.notify();
3382                    }
3383                })
3384                .log_err();
3385        }))
3386    }
3387}
3388
3389pub enum ActiveThreadEvent {
3390    EditingMessageTokenCountChanged,
3391}
3392
3393impl EventEmitter<ActiveThreadEvent> for ActiveThread {}
3394
3395impl Render for ActiveThread {
3396    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3397        v_flex()
3398            .size_full()
3399            .relative()
3400            .on_mouse_move(cx.listener(|this, _, _, cx| {
3401                this.show_scrollbar = true;
3402                this.hide_scrollbar_later(cx);
3403                cx.notify();
3404            }))
3405            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
3406                this.show_scrollbar = true;
3407                this.hide_scrollbar_later(cx);
3408                cx.notify();
3409            }))
3410            .on_mouse_up(
3411                MouseButton::Left,
3412                cx.listener(|this, _, _, cx| {
3413                    this.hide_scrollbar_later(cx);
3414                }),
3415            )
3416            .child(list(self.list_state.clone()).flex_grow())
3417            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
3418                this.child(scrollbar)
3419            })
3420    }
3421}
3422
3423pub(crate) fn open_active_thread_as_markdown(
3424    thread: Entity<Thread>,
3425    workspace: Entity<Workspace>,
3426    window: &mut Window,
3427    cx: &mut App,
3428) -> Task<anyhow::Result<()>> {
3429    let markdown_language_task = workspace
3430        .read(cx)
3431        .app_state()
3432        .languages
3433        .language_for_name("Markdown");
3434
3435    window.spawn(cx, async move |cx| {
3436        let markdown_language = markdown_language_task.await?;
3437
3438        workspace.update_in(cx, |workspace, window, cx| {
3439            let thread = thread.read(cx);
3440            let markdown = thread.to_markdown(cx)?;
3441            let thread_summary = thread.summary().or_default().to_string();
3442
3443            let project = workspace.project().clone();
3444
3445            if !project.read(cx).is_local() {
3446                anyhow::bail!("failed to open active thread as markdown in remote project");
3447            }
3448
3449            let buffer = project.update(cx, |project, cx| {
3450                project.create_local_buffer(&markdown, Some(markdown_language), cx)
3451            });
3452            let buffer =
3453                cx.new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone()));
3454
3455            workspace.add_item_to_active_pane(
3456                Box::new(cx.new(|cx| {
3457                    let mut editor =
3458                        Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3459                    editor.set_breadcrumb_header(thread_summary);
3460                    editor
3461                })),
3462                None,
3463                true,
3464                window,
3465                cx,
3466            );
3467
3468            anyhow::Ok(())
3469        })??;
3470        anyhow::Ok(())
3471    })
3472}
3473
3474pub(crate) fn open_context(
3475    context: &AgentContextHandle,
3476    workspace: Entity<Workspace>,
3477    window: &mut Window,
3478    cx: &mut App,
3479) {
3480    match context {
3481        AgentContextHandle::File(file_context) => {
3482            if let Some(project_path) = file_context.project_path(cx) {
3483                workspace.update(cx, |workspace, cx| {
3484                    workspace
3485                        .open_path(project_path, None, true, window, cx)
3486                        .detach_and_log_err(cx);
3487                });
3488            }
3489        }
3490
3491        AgentContextHandle::Directory(directory_context) => {
3492            let entry_id = directory_context.entry_id;
3493            workspace.update(cx, |workspace, cx| {
3494                workspace.project().update(cx, |_project, cx| {
3495                    cx.emit(project::Event::RevealInProjectPanel(entry_id));
3496                })
3497            })
3498        }
3499
3500        AgentContextHandle::Symbol(symbol_context) => {
3501            let buffer = symbol_context.buffer.read(cx);
3502            if let Some(project_path) = buffer.project_path(cx) {
3503                let snapshot = buffer.snapshot();
3504                let target_position = symbol_context.range.start.to_point(&snapshot);
3505                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3506                    .detach();
3507            }
3508        }
3509
3510        AgentContextHandle::Selection(selection_context) => {
3511            let buffer = selection_context.buffer.read(cx);
3512            if let Some(project_path) = buffer.project_path(cx) {
3513                let snapshot = buffer.snapshot();
3514                let target_position = selection_context.range.start.to_point(&snapshot);
3515
3516                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3517                    .detach();
3518            }
3519        }
3520
3521        AgentContextHandle::FetchedUrl(fetched_url_context) => {
3522            cx.open_url(&fetched_url_context.url);
3523        }
3524
3525        AgentContextHandle::Thread(thread_context) => workspace.update(cx, |workspace, cx| {
3526            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3527                panel.update(cx, |panel, cx| {
3528                    panel.open_thread(thread_context.thread.clone(), window, cx);
3529                });
3530            }
3531        }),
3532
3533        AgentContextHandle::TextThread(text_thread_context) => {
3534            workspace.update(cx, |workspace, cx| {
3535                if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3536                    panel.update(cx, |panel, cx| {
3537                        panel.open_prompt_editor(text_thread_context.context.clone(), window, cx)
3538                    });
3539                }
3540            })
3541        }
3542
3543        AgentContextHandle::Rules(rules_context) => window.dispatch_action(
3544            Box::new(OpenRulesLibrary {
3545                prompt_to_select: Some(rules_context.prompt_id.0),
3546            }),
3547            cx,
3548        ),
3549
3550        AgentContextHandle::Image(_) => {}
3551    }
3552}
3553
3554fn open_editor_at_position(
3555    project_path: project::ProjectPath,
3556    target_position: Point,
3557    workspace: &Entity<Workspace>,
3558    window: &mut Window,
3559    cx: &mut App,
3560) -> Task<()> {
3561    let open_task = workspace.update(cx, |workspace, cx| {
3562        workspace.open_path(project_path, None, true, window, cx)
3563    });
3564    window.spawn(cx, async move |cx| {
3565        if let Some(active_editor) = open_task
3566            .await
3567            .log_err()
3568            .and_then(|item| item.downcast::<Editor>())
3569        {
3570            active_editor
3571                .downgrade()
3572                .update_in(cx, |editor, window, cx| {
3573                    editor.go_to_singleton_buffer_point(target_position, window, cx);
3574                })
3575                .log_err();
3576        }
3577    })
3578}