active_thread.rs

   1use crate::context::{AgentContext, RULES_ICON};
   2use crate::context_picker::MentionLink;
   3use crate::thread::{
   4    LastRestoreCheckpoint, MessageId, MessageSegment, Thread, ThreadError, ThreadEvent,
   5    ThreadFeedback,
   6};
   7use crate::thread_store::{RulesLoadingError, ThreadStore};
   8use crate::tool_use::{PendingToolUseStatus, ToolUse};
   9use crate::ui::{
  10    AddedContext, AgentNotification, AgentNotificationEvent, AnimatedLabel, ContextPill,
  11};
  12use crate::{AssistantPanel, OpenActiveThreadAsMarkdown};
  13use anyhow::Context as _;
  14use assistant_settings::{AssistantSettings, NotifyWhenAgentWaiting};
  15use assistant_tool::ToolUseStatus;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorElement, EditorEvent, EditorStyle, MultiBuffer};
  19use gpui::{
  20    AbsoluteLength, Animation, AnimationExt, AnyElement, App, ClickEvent, ClipboardItem,
  21    DefiniteLength, EdgesRefinement, Empty, Entity, EventEmitter, Focusable, Hsla, ListAlignment,
  22    ListState, MouseButton, PlatformDisplay, ScrollHandle, Stateful, StyleRefinement, Subscription,
  23    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, WindowHandle,
  24    linear_color_stop, linear_gradient, list, percentage, pulsating_between,
  25};
  26use language::{Buffer, LanguageRegistry};
  27use language_model::{
  28    LanguageModelRegistry, LanguageModelRequestMessage, LanguageModelToolUseId, MessageContent,
  29    RequestUsage, Role, StopReason,
  30};
  31use markdown::parser::{CodeBlockKind, CodeBlockMetadata};
  32use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle, ParsedMarkdown};
  33use project::ProjectItem as _;
  34use rope::Point;
  35use settings::{Settings as _, update_settings_file};
  36use std::path::Path;
  37use std::rc::Rc;
  38use std::sync::Arc;
  39use std::time::Duration;
  40use text::ToPoint;
  41use theme::ThemeSettings;
  42use ui::{
  43    Disclosure, IconButton, KeyBinding, Scrollbar, ScrollbarState, TextSize, Tooltip, prelude::*,
  44};
  45use util::ResultExt as _;
  46use util::markdown::MarkdownString;
  47use workspace::{OpenOptions, Workspace};
  48use zed_actions::assistant::OpenRulesLibrary;
  49
  50pub struct ActiveThread {
  51    language_registry: Arc<LanguageRegistry>,
  52    thread_store: Entity<ThreadStore>,
  53    thread: Entity<Thread>,
  54    workspace: WeakEntity<Workspace>,
  55    save_thread_task: Option<Task<()>>,
  56    messages: Vec<MessageId>,
  57    list_state: ListState,
  58    scrollbar_state: ScrollbarState,
  59    show_scrollbar: bool,
  60    hide_scrollbar_task: Option<Task<()>>,
  61    rendered_messages_by_id: HashMap<MessageId, RenderedMessage>,
  62    rendered_tool_uses: HashMap<LanguageModelToolUseId, RenderedToolUse>,
  63    editing_message: Option<(MessageId, EditMessageState)>,
  64    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
  65    expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
  66    expanded_code_blocks: HashMap<(MessageId, usize), bool>,
  67    last_error: Option<ThreadError>,
  68    last_usage: Option<RequestUsage>,
  69    notifications: Vec<WindowHandle<AgentNotification>>,
  70    copied_code_block_ids: HashSet<(MessageId, usize)>,
  71    _subscriptions: Vec<Subscription>,
  72    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
  73    open_feedback_editors: HashMap<MessageId, Entity<Editor>>,
  74}
  75
  76struct RenderedMessage {
  77    language_registry: Arc<LanguageRegistry>,
  78    segments: Vec<RenderedMessageSegment>,
  79}
  80
  81#[derive(Clone)]
  82struct RenderedToolUse {
  83    label: Entity<Markdown>,
  84    input: Entity<Markdown>,
  85    output: Entity<Markdown>,
  86}
  87
  88impl RenderedMessage {
  89    fn from_segments(
  90        segments: &[MessageSegment],
  91        language_registry: Arc<LanguageRegistry>,
  92        cx: &mut App,
  93    ) -> Self {
  94        let mut this = Self {
  95            language_registry,
  96            segments: Vec::with_capacity(segments.len()),
  97        };
  98        for segment in segments {
  99            this.push_segment(segment, cx);
 100        }
 101        this
 102    }
 103
 104    fn append_thinking(&mut self, text: &String, cx: &mut App) {
 105        if let Some(RenderedMessageSegment::Thinking {
 106            content,
 107            scroll_handle,
 108        }) = self.segments.last_mut()
 109        {
 110            content.update(cx, |markdown, cx| {
 111                markdown.append(text, cx);
 112            });
 113            scroll_handle.scroll_to_bottom();
 114        } else {
 115            self.segments.push(RenderedMessageSegment::Thinking {
 116                content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 117                scroll_handle: ScrollHandle::default(),
 118            });
 119        }
 120    }
 121
 122    fn append_text(&mut self, text: &String, cx: &mut App) {
 123        if let Some(RenderedMessageSegment::Text(markdown)) = self.segments.last_mut() {
 124            markdown.update(cx, |markdown, cx| markdown.append(text, cx));
 125        } else {
 126            self.segments
 127                .push(RenderedMessageSegment::Text(parse_markdown(
 128                    SharedString::from(text),
 129                    self.language_registry.clone(),
 130                    cx,
 131                )));
 132        }
 133    }
 134
 135    fn push_segment(&mut self, segment: &MessageSegment, cx: &mut App) {
 136        match segment {
 137            MessageSegment::Thinking { text, .. } => {
 138                self.segments.push(RenderedMessageSegment::Thinking {
 139                    content: parse_markdown(text.into(), self.language_registry.clone(), cx),
 140                    scroll_handle: ScrollHandle::default(),
 141                })
 142            }
 143            MessageSegment::Text(text) => {
 144                self.segments
 145                    .push(RenderedMessageSegment::Text(parse_markdown(
 146                        text.into(),
 147                        self.language_registry.clone(),
 148                        cx,
 149                    )))
 150            }
 151            MessageSegment::RedactedThinking(_) => {}
 152        };
 153    }
 154}
 155
 156enum RenderedMessageSegment {
 157    Thinking {
 158        content: Entity<Markdown>,
 159        scroll_handle: ScrollHandle,
 160    },
 161    Text(Entity<Markdown>),
 162}
 163
 164fn parse_markdown(
 165    text: SharedString,
 166    language_registry: Arc<LanguageRegistry>,
 167    cx: &mut App,
 168) -> Entity<Markdown> {
 169    cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 170}
 171
 172fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
 173    let theme_settings = ThemeSettings::get_global(cx);
 174    let colors = cx.theme().colors();
 175    let ui_font_size = TextSize::Default.rems(cx);
 176    let buffer_font_size = TextSize::Small.rems(cx);
 177    let mut text_style = window.text_style();
 178
 179    text_style.refine(&TextStyleRefinement {
 180        font_family: Some(theme_settings.ui_font.family.clone()),
 181        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 182        font_features: Some(theme_settings.ui_font.features.clone()),
 183        font_size: Some(ui_font_size.into()),
 184        color: Some(cx.theme().colors().text),
 185        ..Default::default()
 186    });
 187
 188    MarkdownStyle {
 189        base_text_style: text_style.clone(),
 190        syntax: cx.theme().syntax().clone(),
 191        selection_background_color: cx.theme().players().local().selection,
 192        code_block_overflow_x_scroll: true,
 193        table_overflow_x_scroll: true,
 194        heading_level_styles: Some(HeadingLevelStyles {
 195            h1: Some(TextStyleRefinement {
 196                font_size: Some(rems(1.15).into()),
 197                ..Default::default()
 198            }),
 199            h2: Some(TextStyleRefinement {
 200                font_size: Some(rems(1.1).into()),
 201                ..Default::default()
 202            }),
 203            h3: Some(TextStyleRefinement {
 204                font_size: Some(rems(1.05).into()),
 205                ..Default::default()
 206            }),
 207            h4: Some(TextStyleRefinement {
 208                font_size: Some(rems(1.).into()),
 209                ..Default::default()
 210            }),
 211            h5: Some(TextStyleRefinement {
 212                font_size: Some(rems(0.95).into()),
 213                ..Default::default()
 214            }),
 215            h6: Some(TextStyleRefinement {
 216                font_size: Some(rems(0.875).into()),
 217                ..Default::default()
 218            }),
 219        }),
 220        code_block: StyleRefinement {
 221            padding: EdgesRefinement {
 222                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 223                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 224                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 225                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
 226            },
 227            background: Some(colors.editor_background.into()),
 228            text: Some(TextStyleRefinement {
 229                font_family: Some(theme_settings.buffer_font.family.clone()),
 230                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 231                font_features: Some(theme_settings.buffer_font.features.clone()),
 232                font_size: Some(buffer_font_size.into()),
 233                ..Default::default()
 234            }),
 235            ..Default::default()
 236        },
 237        inline_code: TextStyleRefinement {
 238            font_family: Some(theme_settings.buffer_font.family.clone()),
 239            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 240            font_features: Some(theme_settings.buffer_font.features.clone()),
 241            font_size: Some(buffer_font_size.into()),
 242            background_color: Some(colors.editor_foreground.opacity(0.08)),
 243            ..Default::default()
 244        },
 245        link: TextStyleRefinement {
 246            background_color: Some(colors.editor_foreground.opacity(0.025)),
 247            underline: Some(UnderlineStyle {
 248                color: Some(colors.text_accent.opacity(0.5)),
 249                thickness: px(1.),
 250                ..Default::default()
 251            }),
 252            ..Default::default()
 253        },
 254        link_callback: Some(Rc::new(move |url, cx| {
 255            if MentionLink::is_valid(url) {
 256                let colors = cx.theme().colors();
 257                Some(TextStyleRefinement {
 258                    background_color: Some(colors.element_background),
 259                    ..Default::default()
 260                })
 261            } else {
 262                None
 263            }
 264        })),
 265        ..Default::default()
 266    }
 267}
 268
 269fn tool_use_markdown_style(window: &Window, cx: &mut App) -> MarkdownStyle {
 270    let theme_settings = ThemeSettings::get_global(cx);
 271    let colors = cx.theme().colors();
 272    let ui_font_size = TextSize::Default.rems(cx);
 273    let buffer_font_size = TextSize::Small.rems(cx);
 274    let mut text_style = window.text_style();
 275
 276    text_style.refine(&TextStyleRefinement {
 277        font_family: Some(theme_settings.ui_font.family.clone()),
 278        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
 279        font_features: Some(theme_settings.ui_font.features.clone()),
 280        font_size: Some(ui_font_size.into()),
 281        color: Some(cx.theme().colors().text),
 282        ..Default::default()
 283    });
 284
 285    MarkdownStyle {
 286        base_text_style: text_style,
 287        syntax: cx.theme().syntax().clone(),
 288        selection_background_color: cx.theme().players().local().selection,
 289        code_block_overflow_x_scroll: true,
 290        code_block: StyleRefinement {
 291            margin: EdgesRefinement::default(),
 292            padding: EdgesRefinement::default(),
 293            background: Some(colors.editor_background.into()),
 294            border_color: None,
 295            border_widths: EdgesRefinement::default(),
 296            text: Some(TextStyleRefinement {
 297                font_family: Some(theme_settings.buffer_font.family.clone()),
 298                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 299                font_features: Some(theme_settings.buffer_font.features.clone()),
 300                font_size: Some(buffer_font_size.into()),
 301                ..Default::default()
 302            }),
 303            ..Default::default()
 304        },
 305        inline_code: TextStyleRefinement {
 306            font_family: Some(theme_settings.buffer_font.family.clone()),
 307            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
 308            font_features: Some(theme_settings.buffer_font.features.clone()),
 309            font_size: Some(TextSize::XSmall.rems(cx).into()),
 310            ..Default::default()
 311        },
 312        heading: StyleRefinement {
 313            text: Some(TextStyleRefinement {
 314                font_size: Some(ui_font_size.into()),
 315                ..Default::default()
 316            }),
 317            ..Default::default()
 318        },
 319        ..Default::default()
 320    }
 321}
 322
 323const MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK: usize = 10;
 324
 325fn render_markdown_code_block(
 326    message_id: MessageId,
 327    ix: usize,
 328    kind: &CodeBlockKind,
 329    parsed_markdown: &ParsedMarkdown,
 330    metadata: CodeBlockMetadata,
 331    active_thread: Entity<ActiveThread>,
 332    workspace: WeakEntity<Workspace>,
 333    _window: &Window,
 334    cx: &App,
 335) -> Div {
 336    let label = match kind {
 337        CodeBlockKind::Indented => None,
 338        CodeBlockKind::Fenced => Some(
 339            h_flex()
 340                .gap_1()
 341                .child(
 342                    Icon::new(IconName::Code)
 343                        .color(Color::Muted)
 344                        .size(IconSize::XSmall),
 345                )
 346                .child(Label::new("untitled").size(LabelSize::Small))
 347                .into_any_element(),
 348        ),
 349        CodeBlockKind::FencedLang(raw_language_name) => Some(
 350            h_flex()
 351                .gap_1()
 352                .children(
 353                    parsed_markdown
 354                        .languages_by_name
 355                        .get(raw_language_name)
 356                        .and_then(|language| {
 357                            language
 358                                .config()
 359                                .matcher
 360                                .path_suffixes
 361                                .iter()
 362                                .find_map(|extension| {
 363                                    file_icons::FileIcons::get_icon(Path::new(extension), cx)
 364                                })
 365                                .map(Icon::from_path)
 366                                .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
 367                        }),
 368                )
 369                .child(
 370                    Label::new(
 371                        parsed_markdown
 372                            .languages_by_name
 373                            .get(raw_language_name)
 374                            .map(|language| language.name().into())
 375                            .clone()
 376                            .unwrap_or_else(|| raw_language_name.clone()),
 377                    )
 378                    .size(LabelSize::Small),
 379                )
 380                .into_any_element(),
 381        ),
 382        CodeBlockKind::FencedSrc(path_range) => path_range.path.file_name().map(|file_name| {
 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()).size(LabelSize::Small),
 389                    )
 390                    .child(
 391                        Label::new(parent.to_string_lossy().to_string())
 392                            .color(Color::Muted)
 393                            .size(LabelSize::Small),
 394                    )
 395                    .into_any_element()
 396            } else {
 397                Label::new(path_range.path.to_string_lossy().to_string())
 398                    .size(LabelSize::Small)
 399                    .ml_1()
 400                    .into_any_element()
 401            };
 402
 403            h_flex()
 404                .id(("code-block-header-label", ix))
 405                .w_full()
 406                .max_w_full()
 407                .px_1()
 408                .gap_0p5()
 409                .cursor_pointer()
 410                .rounded_sm()
 411                .hover(|item| item.bg(cx.theme().colors().element_hover.opacity(0.5)))
 412                .tooltip(Tooltip::text("Jump to File"))
 413                .child(
 414                    h_flex()
 415                        .gap_0p5()
 416                        .children(
 417                            file_icons::FileIcons::get_icon(&path_range.path, cx)
 418                                .map(Icon::from_path)
 419                                .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
 420                        )
 421                        .child(content)
 422                        .child(
 423                            Icon::new(IconName::ArrowUpRight)
 424                                .size(IconSize::XSmall)
 425                                .color(Color::Ignored),
 426                        ),
 427                )
 428                .on_click({
 429                    let path_range = path_range.clone();
 430                    move |_, window, cx| {
 431                        workspace
 432                            .update(cx, {
 433                                |workspace, cx| {
 434                                    let Some(project_path) = workspace
 435                                        .project()
 436                                        .read(cx)
 437                                        .find_project_path(&path_range.path, cx)
 438                                    else {
 439                                        return;
 440                                    };
 441                                    let Some(target) = path_range.range.as_ref().map(|range| {
 442                                        Point::new(
 443                                            // Line number is 1-based
 444                                            range.start.line.saturating_sub(1),
 445                                            range.start.col.unwrap_or(0),
 446                                        )
 447                                    }) else {
 448                                        return;
 449                                    };
 450                                    let open_task =
 451                                        workspace.open_path(project_path, None, true, window, cx);
 452                                    window
 453                                        .spawn(cx, async move |cx| {
 454                                            let item = open_task.await?;
 455                                            if let Some(active_editor) = item.downcast::<Editor>() {
 456                                                active_editor
 457                                                    .update_in(cx, |editor, window, cx| {
 458                                                        editor.go_to_singleton_buffer_point(
 459                                                            target, window, cx,
 460                                                        );
 461                                                    })
 462                                                    .ok();
 463                                            }
 464                                            anyhow::Ok(())
 465                                        })
 466                                        .detach_and_log_err(cx);
 467                                }
 468                            })
 469                            .ok();
 470                    }
 471                })
 472                .into_any_element()
 473        }),
 474    };
 475
 476    let codeblock_was_copied = active_thread
 477        .read(cx)
 478        .copied_code_block_ids
 479        .contains(&(message_id, ix));
 480
 481    let is_expanded = active_thread
 482        .read(cx)
 483        .expanded_code_blocks
 484        .get(&(message_id, ix))
 485        .copied()
 486        .unwrap_or(false);
 487
 488    let codeblock_header_bg = cx
 489        .theme()
 490        .colors()
 491        .element_background
 492        .blend(cx.theme().colors().editor_foreground.opacity(0.01));
 493
 494    let codeblock_header = h_flex()
 495        .py_1()
 496        .pl_1p5()
 497        .pr_1()
 498        .gap_1()
 499        .justify_between()
 500        .border_b_1()
 501        .border_color(cx.theme().colors().border.opacity(0.6))
 502        .bg(codeblock_header_bg)
 503        .rounded_t_md()
 504        .children(label)
 505        .child(
 506            h_flex()
 507                .gap_1()
 508                .child(
 509                    div().visible_on_hover("codeblock_container").child(
 510                        IconButton::new(
 511                            ("copy-markdown-code", ix),
 512                            if codeblock_was_copied {
 513                                IconName::Check
 514                            } else {
 515                                IconName::Copy
 516                            },
 517                        )
 518                        .icon_color(Color::Muted)
 519                        .shape(ui::IconButtonShape::Square)
 520                        .tooltip(Tooltip::text("Copy Code"))
 521                        .on_click({
 522                            let active_thread = active_thread.clone();
 523                            let parsed_markdown = parsed_markdown.clone();
 524                            let code_block_range = metadata.content_range.clone();
 525                            move |_event, _window, cx| {
 526                                active_thread.update(cx, |this, cx| {
 527                                    this.copied_code_block_ids.insert((message_id, ix));
 528
 529                                    let code = parsed_markdown.source()[code_block_range.clone()]
 530                                        .to_string();
 531                                    cx.write_to_clipboard(ClipboardItem::new_string(code));
 532
 533                                    cx.spawn(async move |this, cx| {
 534                                        cx.background_executor()
 535                                            .timer(Duration::from_secs(2))
 536                                            .await;
 537
 538                                        cx.update(|cx| {
 539                                            this.update(cx, |this, cx| {
 540                                                this.copied_code_block_ids
 541                                                    .remove(&(message_id, ix));
 542                                                cx.notify();
 543                                            })
 544                                        })
 545                                        .ok();
 546                                    })
 547                                    .detach();
 548                                });
 549                            }
 550                        }),
 551                    ),
 552                )
 553                .when(
 554                    metadata.line_count > MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK,
 555                    |header| {
 556                        header.child(
 557                            IconButton::new(
 558                                ("expand-collapse-code", ix),
 559                                if is_expanded {
 560                                    IconName::ChevronUp
 561                                } else {
 562                                    IconName::ChevronDown
 563                                },
 564                            )
 565                            .icon_color(Color::Muted)
 566                            .shape(ui::IconButtonShape::Square)
 567                            .tooltip(Tooltip::text(if is_expanded {
 568                                "Collapse Code"
 569                            } else {
 570                                "Expand Code"
 571                            }))
 572                            .on_click({
 573                                let active_thread = active_thread.clone();
 574                                move |_event, _window, cx| {
 575                                    active_thread.update(cx, |this, cx| {
 576                                        let is_expanded = this
 577                                            .expanded_code_blocks
 578                                            .entry((message_id, ix))
 579                                            .or_insert(false);
 580                                        *is_expanded = !*is_expanded;
 581                                        cx.notify();
 582                                    });
 583                                }
 584                            }),
 585                        )
 586                    },
 587                ),
 588        );
 589
 590    v_flex()
 591        .group("codeblock_container")
 592        .my_2()
 593        .overflow_hidden()
 594        .rounded_lg()
 595        .border_1()
 596        .border_color(cx.theme().colors().border.opacity(0.6))
 597        .bg(cx.theme().colors().editor_background)
 598        .child(codeblock_header)
 599        .when(
 600            metadata.line_count > MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK,
 601            |this| {
 602                if is_expanded {
 603                    this.h_full()
 604                } else {
 605                    this.max_h_80()
 606                }
 607            },
 608        )
 609}
 610
 611fn open_markdown_link(
 612    text: SharedString,
 613    workspace: WeakEntity<Workspace>,
 614    window: &mut Window,
 615    cx: &mut App,
 616) {
 617    let Some(workspace) = workspace.upgrade() else {
 618        cx.open_url(&text);
 619        return;
 620    };
 621
 622    match MentionLink::try_parse(&text, &workspace, cx) {
 623        Some(MentionLink::File(path, entry)) => workspace.update(cx, |workspace, cx| {
 624            if entry.is_dir() {
 625                workspace.project().update(cx, |_, cx| {
 626                    cx.emit(project::Event::RevealInProjectPanel(entry.id));
 627                })
 628            } else {
 629                workspace
 630                    .open_path(path, None, true, window, cx)
 631                    .detach_and_log_err(cx);
 632            }
 633        }),
 634        Some(MentionLink::Symbol(path, symbol_name)) => {
 635            let open_task = workspace.update(cx, |workspace, cx| {
 636                workspace.open_path(path, None, true, window, cx)
 637            });
 638            window
 639                .spawn(cx, async move |cx| {
 640                    let active_editor = open_task
 641                        .await?
 642                        .downcast::<Editor>()
 643                        .context("Item is not an editor")?;
 644                    active_editor.update_in(cx, |editor, window, cx| {
 645                        let symbol_range = editor
 646                            .buffer()
 647                            .read(cx)
 648                            .snapshot(cx)
 649                            .outline(None)
 650                            .and_then(|outline| {
 651                                outline
 652                                    .find_most_similar(&symbol_name)
 653                                    .map(|(_, item)| item.range.clone())
 654                            })
 655                            .context("Could not find matching symbol")?;
 656
 657                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 658                            s.select_anchor_ranges([symbol_range.start..symbol_range.start])
 659                        });
 660                        anyhow::Ok(())
 661                    })
 662                })
 663                .detach_and_log_err(cx);
 664        }
 665        Some(MentionLink::Selection(path, line_range)) => {
 666            let open_task = workspace.update(cx, |workspace, cx| {
 667                workspace.open_path(path, None, true, window, cx)
 668            });
 669            window
 670                .spawn(cx, async move |cx| {
 671                    let active_editor = open_task
 672                        .await?
 673                        .downcast::<Editor>()
 674                        .context("Item is not an editor")?;
 675                    active_editor.update_in(cx, |editor, window, cx| {
 676                        editor.change_selections(Some(Autoscroll::center()), window, cx, |s| {
 677                            s.select_ranges([Point::new(line_range.start as u32, 0)
 678                                ..Point::new(line_range.start as u32, 0)])
 679                        });
 680                        anyhow::Ok(())
 681                    })
 682                })
 683                .detach_and_log_err(cx);
 684        }
 685        Some(MentionLink::Thread(thread_id)) => workspace.update(cx, |workspace, cx| {
 686            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
 687                panel.update(cx, |panel, cx| {
 688                    panel
 689                        .open_thread(&thread_id, window, cx)
 690                        .detach_and_log_err(cx)
 691                });
 692            }
 693        }),
 694        Some(MentionLink::Fetch(url)) => cx.open_url(&url),
 695        Some(MentionLink::Rules(prompt_id)) => window.dispatch_action(
 696            Box::new(OpenRulesLibrary {
 697                prompt_to_select: Some(prompt_id.0),
 698            }),
 699            cx,
 700        ),
 701        None => cx.open_url(&text),
 702    }
 703}
 704
 705struct EditMessageState {
 706    editor: Entity<Editor>,
 707    last_estimated_token_count: Option<usize>,
 708    _subscription: Subscription,
 709    _update_token_count_task: Option<Task<anyhow::Result<()>>>,
 710}
 711
 712impl ActiveThread {
 713    pub fn new(
 714        thread: Entity<Thread>,
 715        thread_store: Entity<ThreadStore>,
 716        language_registry: Arc<LanguageRegistry>,
 717        workspace: WeakEntity<Workspace>,
 718        window: &mut Window,
 719        cx: &mut Context<Self>,
 720    ) -> Self {
 721        let subscriptions = vec![
 722            cx.observe(&thread, |_, _, cx| cx.notify()),
 723            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 724            cx.subscribe(&thread_store, Self::handle_rules_loading_error),
 725        ];
 726
 727        let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
 728            let this = cx.entity().downgrade();
 729            move |ix, window: &mut Window, cx: &mut App| {
 730                this.update(cx, |this, cx| this.render_message(ix, window, cx))
 731                    .unwrap()
 732            }
 733        });
 734
 735        let mut this = Self {
 736            language_registry,
 737            thread_store,
 738            thread: thread.clone(),
 739            workspace,
 740            save_thread_task: None,
 741            messages: Vec::new(),
 742            rendered_messages_by_id: HashMap::default(),
 743            rendered_tool_uses: HashMap::default(),
 744            expanded_tool_uses: HashMap::default(),
 745            expanded_thinking_segments: HashMap::default(),
 746            expanded_code_blocks: HashMap::default(),
 747            list_state: list_state.clone(),
 748            scrollbar_state: ScrollbarState::new(list_state),
 749            show_scrollbar: false,
 750            hide_scrollbar_task: None,
 751            editing_message: None,
 752            last_error: None,
 753            last_usage: None,
 754            copied_code_block_ids: HashSet::default(),
 755            notifications: Vec::new(),
 756            _subscriptions: subscriptions,
 757            notification_subscriptions: HashMap::default(),
 758            open_feedback_editors: HashMap::default(),
 759        };
 760
 761        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
 762            this.push_message(&message.id, &message.segments, window, cx);
 763
 764            for tool_use in thread.read(cx).tool_uses_for_message(message.id, cx) {
 765                this.render_tool_use_markdown(
 766                    tool_use.id.clone(),
 767                    tool_use.ui_text.clone(),
 768                    &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
 769                    tool_use.status.text(),
 770                    cx,
 771                );
 772            }
 773        }
 774
 775        this
 776    }
 777
 778    pub fn thread(&self) -> &Entity<Thread> {
 779        &self.thread
 780    }
 781
 782    pub fn is_empty(&self) -> bool {
 783        self.messages.is_empty()
 784    }
 785
 786    pub fn summary(&self, cx: &App) -> Option<SharedString> {
 787        self.thread.read(cx).summary()
 788    }
 789
 790    pub fn summary_or_default(&self, cx: &App) -> SharedString {
 791        self.thread.read(cx).summary_or_default()
 792    }
 793
 794    pub fn cancel_last_completion(&mut self, window: &mut Window, cx: &mut App) -> bool {
 795        self.last_error.take();
 796        self.thread.update(cx, |thread, cx| {
 797            thread.cancel_last_completion(Some(window.window_handle()), cx)
 798        })
 799    }
 800
 801    pub fn last_error(&self) -> Option<ThreadError> {
 802        self.last_error.clone()
 803    }
 804
 805    pub fn clear_last_error(&mut self) {
 806        self.last_error.take();
 807    }
 808
 809    pub fn last_usage(&self) -> Option<RequestUsage> {
 810        self.last_usage
 811    }
 812
 813    /// Returns the editing message id and the estimated token count in the content
 814    pub fn editing_message_id(&self) -> Option<(MessageId, usize)> {
 815        self.editing_message
 816            .as_ref()
 817            .map(|(id, state)| (*id, state.last_estimated_token_count.unwrap_or(0)))
 818    }
 819
 820    fn push_message(
 821        &mut self,
 822        id: &MessageId,
 823        segments: &[MessageSegment],
 824        _window: &mut Window,
 825        cx: &mut Context<Self>,
 826    ) {
 827        let old_len = self.messages.len();
 828        self.messages.push(*id);
 829        self.list_state.splice(old_len..old_len, 1);
 830
 831        let rendered_message =
 832            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 833        self.rendered_messages_by_id.insert(*id, rendered_message);
 834    }
 835
 836    fn edited_message(
 837        &mut self,
 838        id: &MessageId,
 839        segments: &[MessageSegment],
 840        _window: &mut Window,
 841        cx: &mut Context<Self>,
 842    ) {
 843        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 844            return;
 845        };
 846        self.list_state.splice(index..index + 1, 1);
 847        let rendered_message =
 848            RenderedMessage::from_segments(segments, self.language_registry.clone(), cx);
 849        self.rendered_messages_by_id.insert(*id, rendered_message);
 850    }
 851
 852    fn deleted_message(&mut self, id: &MessageId) {
 853        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
 854            return;
 855        };
 856        self.messages.remove(index);
 857        self.list_state.splice(index..index + 1, 0);
 858        self.rendered_messages_by_id.remove(id);
 859    }
 860
 861    fn render_tool_use_markdown(
 862        &mut self,
 863        tool_use_id: LanguageModelToolUseId,
 864        tool_label: impl Into<SharedString>,
 865        tool_input: &str,
 866        tool_output: SharedString,
 867        cx: &mut Context<Self>,
 868    ) {
 869        let rendered = self
 870            .rendered_tool_uses
 871            .entry(tool_use_id.clone())
 872            .or_insert_with(|| RenderedToolUse {
 873                label: cx.new(|cx| {
 874                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 875                }),
 876                input: cx.new(|cx| {
 877                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 878                }),
 879                output: cx.new(|cx| {
 880                    Markdown::new("".into(), Some(self.language_registry.clone()), None, cx)
 881                }),
 882            });
 883
 884        rendered.label.update(cx, |this, cx| {
 885            this.replace(tool_label, cx);
 886        });
 887        rendered.input.update(cx, |this, cx| {
 888            this.replace(
 889                MarkdownString::code_block("json", tool_input).to_string(),
 890                cx,
 891            );
 892        });
 893        rendered.output.update(cx, |this, cx| {
 894            this.replace(tool_output, cx);
 895        });
 896    }
 897
 898    fn handle_thread_event(
 899        &mut self,
 900        _thread: &Entity<Thread>,
 901        event: &ThreadEvent,
 902        window: &mut Window,
 903        cx: &mut Context<Self>,
 904    ) {
 905        match event {
 906            ThreadEvent::ShowError(error) => {
 907                self.last_error = Some(error.clone());
 908            }
 909            ThreadEvent::UsageUpdated(usage) => {
 910                self.last_usage = Some(*usage);
 911            }
 912            ThreadEvent::StreamedCompletion
 913            | ThreadEvent::SummaryGenerated
 914            | ThreadEvent::SummaryChanged => {
 915                self.save_thread(cx);
 916            }
 917            ThreadEvent::Stopped(reason) => match reason {
 918                Ok(StopReason::EndTurn | StopReason::MaxTokens) => {
 919                    let thread = self.thread.read(cx);
 920                    self.show_notification(
 921                        if thread.used_tools_since_last_user_message() {
 922                            "Finished running tools"
 923                        } else {
 924                            "New message"
 925                        },
 926                        IconName::ZedAssistant,
 927                        window,
 928                        cx,
 929                    );
 930                }
 931                _ => {}
 932            },
 933            ThreadEvent::ToolConfirmationNeeded => {
 934                self.show_notification("Waiting for tool confirmation", IconName::Info, window, cx);
 935            }
 936            ThreadEvent::StreamedAssistantText(message_id, text) => {
 937                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 938                    rendered_message.append_text(text, cx);
 939                }
 940            }
 941            ThreadEvent::StreamedAssistantThinking(message_id, text) => {
 942                if let Some(rendered_message) = self.rendered_messages_by_id.get_mut(&message_id) {
 943                    rendered_message.append_thinking(text, cx);
 944                }
 945            }
 946            ThreadEvent::MessageAdded(message_id) => {
 947                if let Some(message_segments) = self
 948                    .thread
 949                    .read(cx)
 950                    .message(*message_id)
 951                    .map(|message| message.segments.clone())
 952                {
 953                    self.push_message(message_id, &message_segments, window, cx);
 954                }
 955
 956                self.save_thread(cx);
 957                cx.notify();
 958            }
 959            ThreadEvent::MessageEdited(message_id) => {
 960                if let Some(message_segments) = self
 961                    .thread
 962                    .read(cx)
 963                    .message(*message_id)
 964                    .map(|message| message.segments.clone())
 965                {
 966                    self.edited_message(message_id, &message_segments, window, cx);
 967                }
 968
 969                self.save_thread(cx);
 970                cx.notify();
 971            }
 972            ThreadEvent::MessageDeleted(message_id) => {
 973                self.deleted_message(message_id);
 974                self.save_thread(cx);
 975                cx.notify();
 976            }
 977            ThreadEvent::UsePendingTools { tool_uses } => {
 978                for tool_use in tool_uses {
 979                    self.render_tool_use_markdown(
 980                        tool_use.id.clone(),
 981                        tool_use.ui_text.clone(),
 982                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
 983                        "".into(),
 984                        cx,
 985                    );
 986                }
 987            }
 988            ThreadEvent::StreamedToolUse {
 989                tool_use_id,
 990                ui_text,
 991                input,
 992            } => {
 993                self.render_tool_use_markdown(
 994                    tool_use_id.clone(),
 995                    ui_text.clone(),
 996                    &serde_json::to_string_pretty(&input).unwrap_or_default(),
 997                    "".into(),
 998                    cx,
 999                );
1000            }
1001            ThreadEvent::ToolFinished {
1002                pending_tool_use, ..
1003            } => {
1004                if let Some(tool_use) = pending_tool_use {
1005                    self.render_tool_use_markdown(
1006                        tool_use.id.clone(),
1007                        tool_use.ui_text.clone(),
1008                        &serde_json::to_string_pretty(&tool_use.input).unwrap_or_default(),
1009                        self.thread
1010                            .read(cx)
1011                            .output_for_tool(&tool_use.id)
1012                            .map(|output| output.clone().into())
1013                            .unwrap_or("".into()),
1014                        cx,
1015                    );
1016                }
1017            }
1018            ThreadEvent::CheckpointChanged => cx.notify(),
1019            ThreadEvent::ReceivedTextChunk => {}
1020            ThreadEvent::InvalidToolInput {
1021                tool_use_id,
1022                ui_text,
1023                invalid_input_json,
1024            } => {
1025                self.render_tool_use_markdown(
1026                    tool_use_id.clone(),
1027                    ui_text,
1028                    invalid_input_json,
1029                    self.thread
1030                        .read(cx)
1031                        .output_for_tool(tool_use_id)
1032                        .map(|output| output.clone().into())
1033                        .unwrap_or("".into()),
1034                    cx,
1035                );
1036            }
1037        }
1038    }
1039
1040    fn handle_rules_loading_error(
1041        &mut self,
1042        _thread_store: Entity<ThreadStore>,
1043        error: &RulesLoadingError,
1044        cx: &mut Context<Self>,
1045    ) {
1046        self.last_error = Some(ThreadError::Message {
1047            header: "Error loading rules file".into(),
1048            message: error.message.clone(),
1049        });
1050        cx.notify();
1051    }
1052
1053    fn show_notification(
1054        &mut self,
1055        caption: impl Into<SharedString>,
1056        icon: IconName,
1057        window: &mut Window,
1058        cx: &mut Context<ActiveThread>,
1059    ) {
1060        if window.is_window_active() || !self.notifications.is_empty() {
1061            return;
1062        }
1063
1064        let title = self
1065            .thread
1066            .read(cx)
1067            .summary()
1068            .unwrap_or("Agent Panel".into());
1069
1070        match AssistantSettings::get_global(cx).notify_when_agent_waiting {
1071            NotifyWhenAgentWaiting::PrimaryScreen => {
1072                if let Some(primary) = cx.primary_display() {
1073                    self.pop_up(icon, caption.into(), title.clone(), window, primary, cx);
1074                }
1075            }
1076            NotifyWhenAgentWaiting::AllScreens => {
1077                let caption = caption.into();
1078                for screen in cx.displays() {
1079                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
1080                }
1081            }
1082            NotifyWhenAgentWaiting::Never => {
1083                // Don't show anything
1084            }
1085        }
1086    }
1087
1088    fn pop_up(
1089        &mut self,
1090        icon: IconName,
1091        caption: SharedString,
1092        title: SharedString,
1093        window: &mut Window,
1094        screen: Rc<dyn PlatformDisplay>,
1095        cx: &mut Context<'_, ActiveThread>,
1096    ) {
1097        let options = AgentNotification::window_options(screen, cx);
1098
1099        let project_name = self.workspace.upgrade().and_then(|workspace| {
1100            workspace
1101                .read(cx)
1102                .project()
1103                .read(cx)
1104                .visible_worktrees(cx)
1105                .next()
1106                .map(|worktree| worktree.read(cx).root_name().to_string())
1107        });
1108
1109        if let Some(screen_window) = cx
1110            .open_window(options, |_, cx| {
1111                cx.new(|_| {
1112                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
1113                })
1114            })
1115            .log_err()
1116        {
1117            if let Some(pop_up) = screen_window.entity(cx).log_err() {
1118                self.notification_subscriptions
1119                    .entry(screen_window)
1120                    .or_insert_with(Vec::new)
1121                    .push(cx.subscribe_in(&pop_up, window, {
1122                        |this, _, event, window, cx| match event {
1123                            AgentNotificationEvent::Accepted => {
1124                                let handle = window.window_handle();
1125                                cx.activate(true);
1126
1127                                let workspace_handle = this.workspace.clone();
1128
1129                                // If there are multiple Zed windows, activate the correct one.
1130                                cx.defer(move |cx| {
1131                                    handle
1132                                        .update(cx, |_view, window, _cx| {
1133                                            window.activate_window();
1134
1135                                            if let Some(workspace) = workspace_handle.upgrade() {
1136                                                workspace.update(_cx, |workspace, cx| {
1137                                                    workspace
1138                                                        .focus_panel::<AssistantPanel>(window, cx);
1139                                                });
1140                                            }
1141                                        })
1142                                        .log_err();
1143                                });
1144
1145                                this.dismiss_notifications(cx);
1146                            }
1147                            AgentNotificationEvent::Dismissed => {
1148                                this.dismiss_notifications(cx);
1149                            }
1150                        }
1151                    }));
1152
1153                self.notifications.push(screen_window);
1154
1155                // If the user manually refocuses the original window, dismiss the popup.
1156                self.notification_subscriptions
1157                    .entry(screen_window)
1158                    .or_insert_with(Vec::new)
1159                    .push({
1160                        let pop_up_weak = pop_up.downgrade();
1161
1162                        cx.observe_window_activation(window, move |_, window, cx| {
1163                            if window.is_window_active() {
1164                                if let Some(pop_up) = pop_up_weak.upgrade() {
1165                                    pop_up.update(cx, |_, cx| {
1166                                        cx.emit(AgentNotificationEvent::Dismissed);
1167                                    });
1168                                }
1169                            }
1170                        })
1171                    });
1172            }
1173        }
1174    }
1175
1176    /// Spawns a task to save the active thread.
1177    ///
1178    /// Only one task to save the thread will be in flight at a time.
1179    fn save_thread(&mut self, cx: &mut Context<Self>) {
1180        let thread = self.thread.clone();
1181        self.save_thread_task = Some(cx.spawn(async move |this, cx| {
1182            let task = this
1183                .update(cx, |this, cx| {
1184                    this.thread_store
1185                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
1186                })
1187                .ok();
1188
1189            if let Some(task) = task {
1190                task.await.log_err();
1191            }
1192        }));
1193    }
1194
1195    fn start_editing_message(
1196        &mut self,
1197        message_id: MessageId,
1198        message_segments: &[MessageSegment],
1199        window: &mut Window,
1200        cx: &mut Context<Self>,
1201    ) {
1202        // User message should always consist of a single text segment,
1203        // therefore we can skip returning early if it's not a text segment.
1204        let Some(MessageSegment::Text(message_text)) = message_segments.first() else {
1205            return;
1206        };
1207
1208        let buffer = cx.new(|cx| {
1209            MultiBuffer::singleton(cx.new(|cx| Buffer::local(message_text.clone(), cx)), cx)
1210        });
1211        let editor = cx.new(|cx| {
1212            let mut editor = Editor::new(
1213                editor::EditorMode::AutoHeight { max_lines: 8 },
1214                buffer,
1215                None,
1216                window,
1217                cx,
1218            );
1219            editor.focus_handle(cx).focus(window);
1220            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
1221            editor
1222        });
1223        let subscription = cx.subscribe(&editor, |this, _, event, cx| match event {
1224            EditorEvent::BufferEdited => {
1225                this.update_editing_message_token_count(true, cx);
1226            }
1227            _ => {}
1228        });
1229        self.editing_message = Some((
1230            message_id,
1231            EditMessageState {
1232                editor: editor.clone(),
1233                last_estimated_token_count: None,
1234                _subscription: subscription,
1235                _update_token_count_task: None,
1236            },
1237        ));
1238        self.update_editing_message_token_count(false, cx);
1239        cx.notify();
1240    }
1241
1242    fn update_editing_message_token_count(&mut self, debounce: bool, cx: &mut Context<Self>) {
1243        let Some((message_id, state)) = self.editing_message.as_mut() else {
1244            return;
1245        };
1246
1247        cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1248        state._update_token_count_task.take();
1249
1250        let Some(default_model) = LanguageModelRegistry::read_global(cx).default_model() else {
1251            state.last_estimated_token_count.take();
1252            return;
1253        };
1254
1255        let editor = state.editor.clone();
1256        let thread = self.thread.clone();
1257        let message_id = *message_id;
1258
1259        state._update_token_count_task = Some(cx.spawn(async move |this, cx| {
1260            if debounce {
1261                cx.background_executor()
1262                    .timer(Duration::from_millis(200))
1263                    .await;
1264            }
1265
1266            let token_count = if let Some(task) = cx.update(|cx| {
1267                let Some(message) = thread.read(cx).message(message_id) else {
1268                    log::error!("Message that was being edited no longer exists");
1269                    return None;
1270                };
1271                let message_text = editor.read(cx).text(cx);
1272
1273                if message_text.is_empty() && message.loaded_context.is_empty() {
1274                    return None;
1275                }
1276
1277                let mut request_message = LanguageModelRequestMessage {
1278                    role: language_model::Role::User,
1279                    content: Vec::new(),
1280                    cache: false,
1281                };
1282
1283                message
1284                    .loaded_context
1285                    .add_to_request_message(&mut request_message);
1286
1287                if !message_text.is_empty() {
1288                    request_message
1289                        .content
1290                        .push(MessageContent::Text(message_text));
1291                }
1292
1293                let request = language_model::LanguageModelRequest {
1294                    thread_id: None,
1295                    prompt_id: None,
1296                    messages: vec![request_message],
1297                    tools: vec![],
1298                    stop: vec![],
1299                    temperature: None,
1300                };
1301
1302                Some(default_model.model.count_tokens(request, cx))
1303            })? {
1304                task.await?
1305            } else {
1306                0
1307            };
1308
1309            this.update(cx, |this, cx| {
1310                let Some((_message_id, state)) = this.editing_message.as_mut() else {
1311                    return;
1312                };
1313
1314                state.last_estimated_token_count = Some(token_count);
1315                cx.emit(ActiveThreadEvent::EditingMessageTokenCountChanged);
1316            })
1317        }));
1318    }
1319
1320    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1321        self.editing_message.take();
1322        cx.notify();
1323    }
1324
1325    fn confirm_editing_message(
1326        &mut self,
1327        _: &menu::Confirm,
1328        window: &mut Window,
1329        cx: &mut Context<Self>,
1330    ) {
1331        let Some((message_id, state)) = self.editing_message.take() else {
1332            return;
1333        };
1334        let edited_text = state.editor.read(cx).text(cx);
1335        self.thread.update(cx, |thread, cx| {
1336            thread.edit_message(
1337                message_id,
1338                Role::User,
1339                vec![MessageSegment::Text(edited_text)],
1340                cx,
1341            );
1342            for message_id in self.messages_after(message_id) {
1343                thread.delete_message(*message_id, cx);
1344            }
1345        });
1346
1347        let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
1348            return;
1349        };
1350
1351        if model.provider.must_accept_terms(cx) {
1352            cx.notify();
1353            return;
1354        }
1355
1356        self.thread.update(cx, |thread, cx| {
1357            thread.advance_prompt_id();
1358            thread.send_to_model(model.model, Some(window.window_handle()), cx);
1359        });
1360        cx.notify();
1361    }
1362
1363    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
1364        self.messages
1365            .iter()
1366            .position(|id| *id == message_id)
1367            .map(|index| &self.messages[index + 1..])
1368            .unwrap_or(&[])
1369    }
1370
1371    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1372        self.cancel_editing_message(&menu::Cancel, window, cx);
1373    }
1374
1375    fn handle_regenerate_click(
1376        &mut self,
1377        _: &ClickEvent,
1378        window: &mut Window,
1379        cx: &mut Context<Self>,
1380    ) {
1381        self.confirm_editing_message(&menu::Confirm, window, cx);
1382    }
1383
1384    fn handle_feedback_click(
1385        &mut self,
1386        message_id: MessageId,
1387        feedback: ThreadFeedback,
1388        window: &mut Window,
1389        cx: &mut Context<Self>,
1390    ) {
1391        let report = self.thread.update(cx, |thread, cx| {
1392            thread.report_message_feedback(message_id, feedback, cx)
1393        });
1394
1395        cx.spawn(async move |this, cx| {
1396            report.await?;
1397            this.update(cx, |_this, cx| cx.notify())
1398        })
1399        .detach_and_log_err(cx);
1400
1401        match feedback {
1402            ThreadFeedback::Positive => {
1403                self.open_feedback_editors.remove(&message_id);
1404            }
1405            ThreadFeedback::Negative => {
1406                self.handle_show_feedback_comments(message_id, window, cx);
1407            }
1408        }
1409    }
1410
1411    fn handle_show_feedback_comments(
1412        &mut self,
1413        message_id: MessageId,
1414        window: &mut Window,
1415        cx: &mut Context<Self>,
1416    ) {
1417        let buffer = cx.new(|cx| {
1418            let empty_string = String::new();
1419            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
1420        });
1421
1422        let editor = cx.new(|cx| {
1423            let mut editor = Editor::new(
1424                editor::EditorMode::AutoHeight { max_lines: 4 },
1425                buffer,
1426                None,
1427                window,
1428                cx,
1429            );
1430            editor.set_placeholder_text(
1431                "What went wrong? Share your feedback so we can improve.",
1432                cx,
1433            );
1434            editor
1435        });
1436
1437        editor.read(cx).focus_handle(cx).focus(window);
1438        self.open_feedback_editors.insert(message_id, editor);
1439        cx.notify();
1440    }
1441
1442    fn submit_feedback_message(&mut self, message_id: MessageId, cx: &mut Context<Self>) {
1443        let Some(editor) = self.open_feedback_editors.get(&message_id) else {
1444            return;
1445        };
1446
1447        let report_task = self.thread.update(cx, |thread, cx| {
1448            thread.report_message_feedback(message_id, ThreadFeedback::Negative, cx)
1449        });
1450
1451        let comments = editor.read(cx).text(cx);
1452        if !comments.is_empty() {
1453            let thread_id = self.thread.read(cx).id().clone();
1454            let comments_value = String::from(comments.as_str());
1455
1456            let message_content = self
1457                .thread
1458                .read(cx)
1459                .message(message_id)
1460                .map(|msg| msg.to_string())
1461                .unwrap_or_default();
1462
1463            telemetry::event!(
1464                "Assistant Thread Feedback Comments",
1465                thread_id,
1466                message_id = message_id.0,
1467                message_content,
1468                comments = comments_value
1469            );
1470
1471            self.open_feedback_editors.remove(&message_id);
1472
1473            cx.spawn(async move |this, cx| {
1474                report_task.await?;
1475                this.update(cx, |_this, cx| cx.notify())
1476            })
1477            .detach_and_log_err(cx);
1478        }
1479    }
1480
1481    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
1482        let message_id = self.messages[ix];
1483        let Some(message) = self.thread.read(cx).message(message_id) else {
1484            return Empty.into_any();
1485        };
1486
1487        let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
1488            return Empty.into_any();
1489        };
1490
1491        let workspace = self.workspace.clone();
1492        let thread = self.thread.read(cx);
1493        let prompt_store = self.thread_store.read(cx).prompt_store().as_ref();
1494
1495        // Get all the data we need from thread before we start using it in closures
1496        let checkpoint = thread.checkpoint_for_message(message_id);
1497        let added_context = if let Some(workspace) = workspace.upgrade() {
1498            let project = workspace.read(cx).project().read(cx);
1499            thread
1500                .context_for_message(message_id)
1501                .flat_map(|context| AddedContext::new(context.clone(), prompt_store, project, cx))
1502                .collect::<Vec<_>>()
1503        } else {
1504            return Empty.into_any();
1505        };
1506
1507        let tool_uses = thread.tool_uses_for_message(message_id, cx);
1508        let has_tool_uses = !tool_uses.is_empty();
1509        let is_generating = thread.is_generating();
1510
1511        let is_first_message = ix == 0;
1512        let is_last_message = ix == self.messages.len() - 1;
1513
1514        let show_feedback = thread.is_turn_end(ix);
1515
1516        let needs_confirmation = tool_uses.iter().any(|tool_use| tool_use.needs_confirmation);
1517
1518        let generating_label = (is_generating && is_last_message)
1519            .then(|| AnimatedLabel::new("Generating").size(LabelSize::Small));
1520
1521        let edit_message_editor = self
1522            .editing_message
1523            .as_ref()
1524            .filter(|(id, _)| *id == message_id)
1525            .map(|(_, state)| state.editor.clone());
1526
1527        let colors = cx.theme().colors();
1528        let editor_bg_color = colors.editor_background;
1529
1530        let open_as_markdown = IconButton::new(("open-as-markdown", ix), IconName::FileCode)
1531            .shape(ui::IconButtonShape::Square)
1532            .icon_size(IconSize::XSmall)
1533            .icon_color(Color::Ignored)
1534            .tooltip(Tooltip::text("Open Thread as Markdown"))
1535            .on_click(|_, window, cx| {
1536                window.dispatch_action(Box::new(OpenActiveThreadAsMarkdown), cx)
1537            });
1538
1539        // For all items that should be aligned with the LLM's response.
1540        const RESPONSE_PADDING_X: Pixels = px(18.);
1541
1542        let feedback_container = h_flex()
1543            .py_2()
1544            .px(RESPONSE_PADDING_X)
1545            .gap_1()
1546            .flex_wrap()
1547            .justify_between();
1548        let feedback_items = match self.thread.read(cx).message_feedback(message_id) {
1549            Some(feedback) => feedback_container
1550                .child(
1551                    Label::new(match feedback {
1552                        ThreadFeedback::Positive => "Thanks for your feedback!",
1553                        ThreadFeedback::Negative => {
1554                            "We appreciate your feedback and will use it to improve."
1555                        }
1556                    })
1557                    .color(Color::Muted)
1558                    .size(LabelSize::XSmall)
1559                    .truncate(),
1560                )
1561                .child(
1562                    h_flex()
1563                        .pr_1()
1564                        .gap_1()
1565                        .child(
1566                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1567                                .shape(ui::IconButtonShape::Square)
1568                                .icon_size(IconSize::XSmall)
1569                                .icon_color(match feedback {
1570                                    ThreadFeedback::Positive => Color::Accent,
1571                                    ThreadFeedback::Negative => Color::Ignored,
1572                                })
1573                                .tooltip(Tooltip::text("Helpful Response"))
1574                                .on_click(cx.listener(move |this, _, window, cx| {
1575                                    this.handle_feedback_click(
1576                                        message_id,
1577                                        ThreadFeedback::Positive,
1578                                        window,
1579                                        cx,
1580                                    );
1581                                })),
1582                        )
1583                        .child(
1584                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1585                                .shape(ui::IconButtonShape::Square)
1586                                .icon_size(IconSize::XSmall)
1587                                .icon_color(match feedback {
1588                                    ThreadFeedback::Positive => Color::Ignored,
1589                                    ThreadFeedback::Negative => Color::Accent,
1590                                })
1591                                .tooltip(Tooltip::text("Not Helpful"))
1592                                .on_click(cx.listener(move |this, _, window, cx| {
1593                                    this.handle_feedback_click(
1594                                        message_id,
1595                                        ThreadFeedback::Negative,
1596                                        window,
1597                                        cx,
1598                                    );
1599                                })),
1600                        )
1601                        .child(open_as_markdown),
1602                )
1603                .into_any_element(),
1604            None => feedback_container
1605                .child(
1606                    Label::new(
1607                        "Rating the thread sends all of your current conversation to the Zed team.",
1608                    )
1609                    .color(Color::Muted)
1610                    .size(LabelSize::XSmall)
1611                    .truncate(),
1612                )
1613                .child(
1614                    h_flex()
1615                        .pr_1()
1616                        .gap_1()
1617                        .child(
1618                            IconButton::new(("feedback-thumbs-up", ix), IconName::ThumbsUp)
1619                                .icon_size(IconSize::XSmall)
1620                                .icon_color(Color::Ignored)
1621                                .shape(ui::IconButtonShape::Square)
1622                                .tooltip(Tooltip::text("Helpful Response"))
1623                                .on_click(cx.listener(move |this, _, window, cx| {
1624                                    this.handle_feedback_click(
1625                                        message_id,
1626                                        ThreadFeedback::Positive,
1627                                        window,
1628                                        cx,
1629                                    );
1630                                })),
1631                        )
1632                        .child(
1633                            IconButton::new(("feedback-thumbs-down", ix), IconName::ThumbsDown)
1634                                .icon_size(IconSize::XSmall)
1635                                .icon_color(Color::Ignored)
1636                                .shape(ui::IconButtonShape::Square)
1637                                .tooltip(Tooltip::text("Not Helpful"))
1638                                .on_click(cx.listener(move |this, _, window, cx| {
1639                                    this.handle_feedback_click(
1640                                        message_id,
1641                                        ThreadFeedback::Negative,
1642                                        window,
1643                                        cx,
1644                                    );
1645                                })),
1646                        )
1647                        .child(open_as_markdown),
1648                )
1649                .into_any_element(),
1650        };
1651
1652        let message_is_empty = message.should_display_content();
1653        let has_content = !message_is_empty || !added_context.is_empty();
1654
1655        let message_content = has_content.then(|| {
1656            v_flex()
1657                .gap_1()
1658                .when(!message_is_empty, |parent| {
1659                    parent.child(
1660                        if let Some(edit_message_editor) = edit_message_editor.clone() {
1661                            let settings = ThemeSettings::get_global(cx);
1662                            let font_size = TextSize::Small.rems(cx);
1663                            let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
1664
1665                            let text_style = TextStyle {
1666                                color: cx.theme().colors().text,
1667                                font_family: settings.buffer_font.family.clone(),
1668                                font_fallbacks: settings.buffer_font.fallbacks.clone(),
1669                                font_features: settings.buffer_font.features.clone(),
1670                                font_size: font_size.into(),
1671                                line_height: line_height.into(),
1672                                ..Default::default()
1673                            };
1674
1675                            div()
1676                                .key_context("EditMessageEditor")
1677                                .on_action(cx.listener(Self::cancel_editing_message))
1678                                .on_action(cx.listener(Self::confirm_editing_message))
1679                                .min_h_6()
1680                                .child(EditorElement::new(
1681                                    &edit_message_editor,
1682                                    EditorStyle {
1683                                        background: colors.editor_background,
1684                                        local_player: cx.theme().players().local(),
1685                                        text: text_style,
1686                                        syntax: cx.theme().syntax().clone(),
1687                                        ..Default::default()
1688                                    },
1689                                ))
1690                                .into_any()
1691                        } else {
1692                            div()
1693                                .min_h_6()
1694                                .child(self.render_message_content(
1695                                    message_id,
1696                                    rendered_message,
1697                                    has_tool_uses,
1698                                    workspace.clone(),
1699                                    window,
1700                                    cx,
1701                                ))
1702                                .into_any()
1703                        },
1704                    )
1705                })
1706                .when(!added_context.is_empty(), |parent| {
1707                    parent.child(h_flex().flex_wrap().gap_1().children(
1708                        added_context.into_iter().map(|added_context| {
1709                            let context = added_context.context.clone();
1710                            ContextPill::added(added_context, false, false, None).on_click(Rc::new(
1711                                cx.listener({
1712                                    let workspace = workspace.clone();
1713                                    move |_, _, window, cx| {
1714                                        if let Some(workspace) = workspace.upgrade() {
1715                                            open_context(&context, workspace, window, cx);
1716                                            cx.notify();
1717                                        }
1718                                    }
1719                                }),
1720                            ))
1721                        }),
1722                    ))
1723                })
1724        });
1725
1726        let styled_message = match message.role {
1727            Role::User => v_flex()
1728                .id(("message-container", ix))
1729                .map(|this| {
1730                    if is_first_message {
1731                        this.pt_2()
1732                    } else {
1733                        this.pt_4()
1734                    }
1735                })
1736                .pl_2()
1737                .pr_2p5()
1738                .pb_4()
1739                .child(
1740                    v_flex()
1741                        .id(("user-message", ix))
1742                        .bg(editor_bg_color)
1743                        .rounded_lg()
1744                        .shadow_md()
1745                        .border_1()
1746                        .border_color(colors.border)
1747                        .hover(|hover| hover.border_color(colors.text_accent.opacity(0.5)))
1748                        .cursor_pointer()
1749                        .child(div().p_2().pt_2p5().children(message_content))
1750                        .when_some(edit_message_editor.clone(), |this, edit_editor| {
1751                            let focus_handle = edit_editor.focus_handle(cx);
1752
1753                            this.child(
1754                                h_flex()
1755                                    .p_1()
1756                                    .border_t_1()
1757                                    .border_color(colors.border_variant)
1758                                    .gap_1()
1759                                    .justify_end()
1760                                    .child(
1761                                        Button::new("cancel-edit-message", "Cancel")
1762                                            .label_size(LabelSize::Small)
1763                                            .key_binding(
1764                                                KeyBinding::for_action_in(
1765                                                    &menu::Cancel,
1766                                                    &focus_handle,
1767                                                    window,
1768                                                    cx,
1769                                                )
1770                                                .map(|kb| kb.size(rems_from_px(12.))),
1771                                            )
1772                                            .on_click(cx.listener(Self::handle_cancel_click)),
1773                                    )
1774                                    .child(
1775                                        Button::new("confirm-edit-message", "Regenerate")
1776                                            .disabled(edit_editor.read(cx).is_empty(cx))
1777                                            .label_size(LabelSize::Small)
1778                                            .key_binding(
1779                                                KeyBinding::for_action_in(
1780                                                    &menu::Confirm,
1781                                                    &focus_handle,
1782                                                    window,
1783                                                    cx,
1784                                                )
1785                                                .map(|kb| kb.size(rems_from_px(12.))),
1786                                            )
1787                                            .on_click(cx.listener(Self::handle_regenerate_click)),
1788                                    ),
1789                            )
1790                        })
1791                        .when(edit_message_editor.is_none(), |this| {
1792                            this.tooltip(Tooltip::text("Click To Edit"))
1793                        })
1794                        .on_click(cx.listener({
1795                            let message_segments = message.segments.clone();
1796                            move |this, _, window, cx| {
1797                                this.start_editing_message(
1798                                    message_id,
1799                                    &message_segments,
1800                                    window,
1801                                    cx,
1802                                );
1803                            }
1804                        })),
1805                ),
1806            Role::Assistant => v_flex()
1807                .id(("message-container", ix))
1808                .px(RESPONSE_PADDING_X)
1809                .gap_2()
1810                .children(message_content)
1811                .when(has_tool_uses, |parent| {
1812                    parent.children(tool_uses.into_iter().map(|tool_use| {
1813                        self.render_tool_use(tool_use, window, workspace.clone(), cx)
1814                    }))
1815                }),
1816            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
1817                v_flex()
1818                    .bg(colors.editor_background)
1819                    .rounded_sm()
1820                    .child(div().p_4().children(message_content)),
1821            ),
1822        };
1823
1824        let after_editing_message = self
1825            .editing_message
1826            .as_ref()
1827            .map_or(false, |(editing_message_id, _)| {
1828                message_id > *editing_message_id
1829            });
1830
1831        let panel_background = cx.theme().colors().panel_background;
1832
1833        v_flex()
1834            .w_full()
1835            .when_some(checkpoint, |parent, checkpoint| {
1836                let mut is_pending = false;
1837                let mut error = None;
1838                if let Some(last_restore_checkpoint) =
1839                    self.thread.read(cx).last_restore_checkpoint()
1840                {
1841                    if last_restore_checkpoint.message_id() == message_id {
1842                        match last_restore_checkpoint {
1843                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
1844                            LastRestoreCheckpoint::Error { error: err, .. } => {
1845                                error = Some(err.clone());
1846                            }
1847                        }
1848                    }
1849                }
1850
1851                let restore_checkpoint_button =
1852                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
1853                        .icon(if error.is_some() {
1854                            IconName::XCircle
1855                        } else {
1856                            IconName::Undo
1857                        })
1858                        .icon_size(IconSize::XSmall)
1859                        .icon_position(IconPosition::Start)
1860                        .icon_color(if error.is_some() {
1861                            Some(Color::Error)
1862                        } else {
1863                            None
1864                        })
1865                        .label_size(LabelSize::XSmall)
1866                        .disabled(is_pending)
1867                        .on_click(cx.listener(move |this, _, _window, cx| {
1868                            this.thread.update(cx, |thread, cx| {
1869                                thread
1870                                    .restore_checkpoint(checkpoint.clone(), cx)
1871                                    .detach_and_log_err(cx);
1872                            });
1873                        }));
1874
1875                let restore_checkpoint_button = if is_pending {
1876                    restore_checkpoint_button
1877                        .with_animation(
1878                            ("pulsating-restore-checkpoint-button", ix),
1879                            Animation::new(Duration::from_secs(2))
1880                                .repeat()
1881                                .with_easing(pulsating_between(0.6, 1.)),
1882                            |label, delta| label.alpha(delta),
1883                        )
1884                        .into_any_element()
1885                } else if let Some(error) = error {
1886                    restore_checkpoint_button
1887                        .tooltip(Tooltip::text(error.to_string()))
1888                        .into_any_element()
1889                } else {
1890                    restore_checkpoint_button.into_any_element()
1891                };
1892
1893                parent.child(
1894                    h_flex()
1895                        .pt_2p5()
1896                        .px_2p5()
1897                        .w_full()
1898                        .gap_1()
1899                        .child(ui::Divider::horizontal())
1900                        .child(restore_checkpoint_button)
1901                        .child(ui::Divider::horizontal()),
1902                )
1903            })
1904            .when(is_first_message, |parent| {
1905                parent.child(self.render_rules_item(cx))
1906            })
1907            .child(styled_message)
1908            .when(!needs_confirmation && generating_label.is_some(), |this| {
1909                this.child(
1910                    h_flex()
1911                        .h_8()
1912                        .mt_2()
1913                        .mb_4()
1914                        .ml_4()
1915                        .py_1p5()
1916                        .child(generating_label.unwrap()),
1917                )
1918            })
1919            .when(show_feedback, move |parent| {
1920                parent.child(feedback_items).when_some(
1921                    self.open_feedback_editors.get(&message_id),
1922                    move |parent, feedback_editor| {
1923                        let focus_handle = feedback_editor.focus_handle(cx);
1924                        parent.child(
1925                            v_flex()
1926                                .key_context("AgentFeedbackMessageEditor")
1927                                .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
1928                                    this.open_feedback_editors.remove(&message_id);
1929                                    cx.notify();
1930                                }))
1931                                .on_action(cx.listener(move |this, _: &menu::Confirm, _, cx| {
1932                                    this.submit_feedback_message(message_id, cx);
1933                                    cx.notify();
1934                                }))
1935                                .on_action(cx.listener(Self::confirm_editing_message))
1936                                .mb_2()
1937                                .mx_4()
1938                                .p_2()
1939                                .rounded_md()
1940                                .border_1()
1941                                .border_color(cx.theme().colors().border)
1942                                .bg(cx.theme().colors().editor_background)
1943                                .child(feedback_editor.clone())
1944                                .child(
1945                                    h_flex()
1946                                        .gap_1()
1947                                        .justify_end()
1948                                        .child(
1949                                            Button::new("dismiss-feedback-message", "Cancel")
1950                                                .label_size(LabelSize::Small)
1951                                                .key_binding(
1952                                                    KeyBinding::for_action_in(
1953                                                        &menu::Cancel,
1954                                                        &focus_handle,
1955                                                        window,
1956                                                        cx,
1957                                                    )
1958                                                    .map(|kb| kb.size(rems_from_px(10.))),
1959                                                )
1960                                                .on_click(cx.listener(
1961                                                    move |this, _, _window, cx| {
1962                                                        this.open_feedback_editors
1963                                                            .remove(&message_id);
1964                                                        cx.notify();
1965                                                    },
1966                                                )),
1967                                        )
1968                                        .child(
1969                                            Button::new(
1970                                                "submit-feedback-message",
1971                                                "Share Feedback",
1972                                            )
1973                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1974                                            .label_size(LabelSize::Small)
1975                                            .key_binding(
1976                                                KeyBinding::for_action_in(
1977                                                    &menu::Confirm,
1978                                                    &focus_handle,
1979                                                    window,
1980                                                    cx,
1981                                                )
1982                                                .map(|kb| kb.size(rems_from_px(10.))),
1983                                            )
1984                                            .on_click(
1985                                                cx.listener(move |this, _, _window, cx| {
1986                                                    this.submit_feedback_message(message_id, cx);
1987                                                    cx.notify()
1988                                                }),
1989                                            ),
1990                                        ),
1991                                ),
1992                        )
1993                    },
1994                )
1995            })
1996            .when(after_editing_message, |parent| {
1997                // Backdrop to dim out the whole thread below the editing user message
1998                parent.relative().child(
1999                    div()
2000                        .occlude()
2001                        .absolute()
2002                        .inset_0()
2003                        .size_full()
2004                        .bg(panel_background)
2005                        .opacity(0.8),
2006                )
2007            })
2008            .into_any()
2009    }
2010
2011    fn render_message_content(
2012        &self,
2013        message_id: MessageId,
2014        rendered_message: &RenderedMessage,
2015        has_tool_uses: bool,
2016        workspace: WeakEntity<Workspace>,
2017        window: &Window,
2018        cx: &Context<Self>,
2019    ) -> impl IntoElement {
2020        let is_last_message = self.messages.last() == Some(&message_id);
2021        let is_generating = self.thread.read(cx).is_generating();
2022        let pending_thinking_segment_index = if is_generating && is_last_message && !has_tool_uses {
2023            rendered_message
2024                .segments
2025                .iter()
2026                .enumerate()
2027                .next_back()
2028                .filter(|(_, segment)| matches!(segment, RenderedMessageSegment::Thinking { .. }))
2029                .map(|(index, _)| index)
2030        } else {
2031            None
2032        };
2033
2034        let message_role = self
2035            .thread
2036            .read(cx)
2037            .message(message_id)
2038            .map(|m| m.role)
2039            .unwrap_or(Role::User);
2040
2041        let is_assistant_message = message_role == Role::Assistant;
2042        let is_user_message = message_role == Role::User;
2043
2044        v_flex()
2045            .text_ui(cx)
2046            .gap_2()
2047            .when(is_user_message, |this| this.text_xs())
2048            .children(
2049                rendered_message.segments.iter().enumerate().map(
2050                    |(index, segment)| match segment {
2051                        RenderedMessageSegment::Thinking {
2052                            content,
2053                            scroll_handle,
2054                        } => self
2055                            .render_message_thinking_segment(
2056                                message_id,
2057                                index,
2058                                content.clone(),
2059                                &scroll_handle,
2060                                Some(index) == pending_thinking_segment_index,
2061                                window,
2062                                cx,
2063                            )
2064                            .into_any_element(),
2065                        RenderedMessageSegment::Text(markdown) => {
2066                            let markdown_element = MarkdownElement::new(
2067                                markdown.clone(),
2068                                if is_user_message {
2069                                    let mut style = default_markdown_style(window, cx);
2070                                    let mut text_style = window.text_style();
2071                                    let theme_settings = ThemeSettings::get_global(cx);
2072
2073                                    let buffer_font = theme_settings.buffer_font.family.clone();
2074                                    let buffer_font_size = TextSize::Small.rems(cx);
2075
2076                                    text_style.refine(&TextStyleRefinement {
2077                                        font_family: Some(buffer_font),
2078                                        font_size: Some(buffer_font_size.into()),
2079                                        ..Default::default()
2080                                    });
2081
2082                                    style.base_text_style = text_style;
2083                                    style
2084                                } else {
2085                                    default_markdown_style(window, cx)
2086                                },
2087                            );
2088
2089                            let markdown_element = if is_assistant_message {
2090                                markdown_element.code_block_renderer(
2091                                    markdown::CodeBlockRenderer::Custom {
2092                                        render: Arc::new({
2093                                            let workspace = workspace.clone();
2094                                            let active_thread = cx.entity();
2095                                            move |kind,
2096                                                  parsed_markdown,
2097                                                  range,
2098                                                  metadata,
2099                                                  window,
2100                                                  cx| {
2101                                                render_markdown_code_block(
2102                                                    message_id,
2103                                                    range.start,
2104                                                    kind,
2105                                                    parsed_markdown,
2106                                                    metadata,
2107                                                    active_thread.clone(),
2108                                                    workspace.clone(),
2109                                                    window,
2110                                                    cx,
2111                                                )
2112                                            }
2113                                        }),
2114                                        transform: Some(Arc::new({
2115                                            let active_thread = cx.entity();
2116                                            move |el, range, metadata, _, cx| {
2117                                                let is_expanded = active_thread
2118                                                    .read(cx)
2119                                                    .expanded_code_blocks
2120                                                    .get(&(message_id, range.start))
2121                                                    .copied()
2122                                                    .unwrap_or(false);
2123
2124                                                if is_expanded
2125                                                    || metadata.line_count
2126                                                        <= MAX_UNCOLLAPSED_LINES_IN_CODE_BLOCK
2127                                                {
2128                                                    return el;
2129                                                }
2130                                                el.child(
2131                                                    div()
2132                                                        .absolute()
2133                                                        .bottom_0()
2134                                                        .left_0()
2135                                                        .w_full()
2136                                                        .h_1_4()
2137                                                        .rounded_b_lg()
2138                                                        .bg(gpui::linear_gradient(
2139                                                            0.,
2140                                                            gpui::linear_color_stop(
2141                                                                cx.theme()
2142                                                                    .colors()
2143                                                                    .editor_background,
2144                                                                0.,
2145                                                            ),
2146                                                            gpui::linear_color_stop(
2147                                                                cx.theme()
2148                                                                    .colors()
2149                                                                    .editor_background
2150                                                                    .opacity(0.),
2151                                                                1.,
2152                                                            ),
2153                                                        )),
2154                                                )
2155                                            }
2156                                        })),
2157                                    },
2158                                )
2159                            } else {
2160                                markdown_element.code_block_renderer(
2161                                    markdown::CodeBlockRenderer::Default {
2162                                        copy_button: false,
2163                                        border: true,
2164                                    },
2165                                )
2166                            };
2167
2168                            div()
2169                                .child(markdown_element.on_url_click({
2170                                    let workspace = self.workspace.clone();
2171                                    move |text, window, cx| {
2172                                        open_markdown_link(text, workspace.clone(), window, cx);
2173                                    }
2174                                }))
2175                                .into_any_element()
2176                        }
2177                    },
2178                ),
2179            )
2180    }
2181
2182    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2183        cx.theme().colors().border.opacity(0.5)
2184    }
2185
2186    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2187        cx.theme()
2188            .colors()
2189            .element_background
2190            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2191    }
2192
2193    fn render_message_thinking_segment(
2194        &self,
2195        message_id: MessageId,
2196        ix: usize,
2197        markdown: Entity<Markdown>,
2198        scroll_handle: &ScrollHandle,
2199        pending: bool,
2200        window: &Window,
2201        cx: &Context<Self>,
2202    ) -> impl IntoElement {
2203        let is_open = self
2204            .expanded_thinking_segments
2205            .get(&(message_id, ix))
2206            .copied()
2207            .unwrap_or_default();
2208
2209        let editor_bg = cx.theme().colors().panel_background;
2210
2211        div().map(|this| {
2212            if pending {
2213                this.v_flex()
2214                    .mt_neg_2()
2215                    .mb_1p5()
2216                    .child(
2217                        h_flex()
2218                            .group("disclosure-header")
2219                            .justify_between()
2220                            .child(
2221                                h_flex()
2222                                    .gap_1p5()
2223                                    .child(
2224                                        Icon::new(IconName::LightBulb)
2225                                            .size(IconSize::XSmall)
2226                                            .color(Color::Muted),
2227                                    )
2228                                    .child(AnimatedLabel::new("Thinking").size(LabelSize::Small)),
2229                            )
2230                            .child(
2231                                h_flex()
2232                                    .gap_1()
2233                                    .child(
2234                                        div().visible_on_hover("disclosure-header").child(
2235                                            Disclosure::new("thinking-disclosure", is_open)
2236                                                .opened_icon(IconName::ChevronUp)
2237                                                .closed_icon(IconName::ChevronDown)
2238                                                .on_click(cx.listener({
2239                                                    move |this, _event, _window, _cx| {
2240                                                        let is_open = this
2241                                                            .expanded_thinking_segments
2242                                                            .entry((message_id, ix))
2243                                                            .or_insert(false);
2244
2245                                                        *is_open = !*is_open;
2246                                                    }
2247                                                })),
2248                                        ),
2249                                    )
2250                                    .child({
2251                                        Icon::new(IconName::ArrowCircle)
2252                                            .color(Color::Accent)
2253                                            .size(IconSize::Small)
2254                                            .with_animation(
2255                                                "arrow-circle",
2256                                                Animation::new(Duration::from_secs(2)).repeat(),
2257                                                |icon, delta| {
2258                                                    icon.transform(Transformation::rotate(
2259                                                        percentage(delta),
2260                                                    ))
2261                                                },
2262                                            )
2263                                    }),
2264                            ),
2265                    )
2266                    .when(!is_open, |this| {
2267                        let gradient_overlay = div()
2268                            .rounded_b_lg()
2269                            .h_full()
2270                            .absolute()
2271                            .w_full()
2272                            .bottom_0()
2273                            .left_0()
2274                            .bg(linear_gradient(
2275                                180.,
2276                                linear_color_stop(editor_bg, 1.),
2277                                linear_color_stop(editor_bg.opacity(0.2), 0.),
2278                            ));
2279
2280                        this.child(
2281                            div()
2282                                .relative()
2283                                .bg(editor_bg)
2284                                .rounded_b_lg()
2285                                .mt_2()
2286                                .pl_4()
2287                                .child(
2288                                    div()
2289                                        .id(("thinking-content", ix))
2290                                        .max_h_20()
2291                                        .track_scroll(scroll_handle)
2292                                        .text_ui_sm(cx)
2293                                        .overflow_hidden()
2294                                        .child(
2295                                            MarkdownElement::new(
2296                                                markdown.clone(),
2297                                                default_markdown_style(window, cx),
2298                                            )
2299                                            .on_url_click({
2300                                                let workspace = self.workspace.clone();
2301                                                move |text, window, cx| {
2302                                                    open_markdown_link(
2303                                                        text,
2304                                                        workspace.clone(),
2305                                                        window,
2306                                                        cx,
2307                                                    );
2308                                                }
2309                                            }),
2310                                        ),
2311                                )
2312                                .child(gradient_overlay),
2313                        )
2314                    })
2315                    .when(is_open, |this| {
2316                        this.child(
2317                            div()
2318                                .id(("thinking-content", ix))
2319                                .h_full()
2320                                .bg(editor_bg)
2321                                .text_ui_sm(cx)
2322                                .child(
2323                                    MarkdownElement::new(
2324                                        markdown.clone(),
2325                                        default_markdown_style(window, cx),
2326                                    )
2327                                    .on_url_click({
2328                                        let workspace = self.workspace.clone();
2329                                        move |text, window, cx| {
2330                                            open_markdown_link(text, workspace.clone(), window, cx);
2331                                        }
2332                                    }),
2333                                ),
2334                        )
2335                    })
2336            } else {
2337                this.v_flex()
2338                    .mt_neg_2()
2339                    .child(
2340                        h_flex()
2341                            .group("disclosure-header")
2342                            .pr_1()
2343                            .justify_between()
2344                            .opacity(0.8)
2345                            .hover(|style| style.opacity(1.))
2346                            .child(
2347                                h_flex()
2348                                    .gap_1p5()
2349                                    .child(
2350                                        Icon::new(IconName::LightBulb)
2351                                            .size(IconSize::XSmall)
2352                                            .color(Color::Muted),
2353                                    )
2354                                    .child(Label::new("Thought Process").size(LabelSize::Small)),
2355                            )
2356                            .child(
2357                                div().visible_on_hover("disclosure-header").child(
2358                                    Disclosure::new("thinking-disclosure", is_open)
2359                                        .opened_icon(IconName::ChevronUp)
2360                                        .closed_icon(IconName::ChevronDown)
2361                                        .on_click(cx.listener({
2362                                            move |this, _event, _window, _cx| {
2363                                                let is_open = this
2364                                                    .expanded_thinking_segments
2365                                                    .entry((message_id, ix))
2366                                                    .or_insert(false);
2367
2368                                                *is_open = !*is_open;
2369                                            }
2370                                        })),
2371                                ),
2372                            ),
2373                    )
2374                    .child(
2375                        div()
2376                            .id(("thinking-content", ix))
2377                            .relative()
2378                            .mt_1p5()
2379                            .ml_1p5()
2380                            .pl_2p5()
2381                            .border_l_1()
2382                            .border_color(cx.theme().colors().border_variant)
2383                            .text_ui_sm(cx)
2384                            .when(is_open, |this| {
2385                                this.child(
2386                                    MarkdownElement::new(
2387                                        markdown.clone(),
2388                                        default_markdown_style(window, cx),
2389                                    )
2390                                    .on_url_click({
2391                                        let workspace = self.workspace.clone();
2392                                        move |text, window, cx| {
2393                                            open_markdown_link(text, workspace.clone(), window, cx);
2394                                        }
2395                                    }),
2396                                )
2397                            }),
2398                    )
2399            }
2400        })
2401    }
2402
2403    fn render_tool_use(
2404        &self,
2405        tool_use: ToolUse,
2406        window: &mut Window,
2407        workspace: WeakEntity<Workspace>,
2408        cx: &mut Context<Self>,
2409    ) -> impl IntoElement + use<> {
2410        if let Some(card) = self.thread.read(cx).card_for_tool(&tool_use.id) {
2411            return card.render(&tool_use.status, window, workspace, cx);
2412        }
2413
2414        let is_open = self
2415            .expanded_tool_uses
2416            .get(&tool_use.id)
2417            .copied()
2418            .unwrap_or_default();
2419
2420        let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
2421
2422        let fs = self
2423            .workspace
2424            .upgrade()
2425            .map(|workspace| workspace.read(cx).app_state().fs.clone());
2426        let needs_confirmation = matches!(&tool_use.status, ToolUseStatus::NeedsConfirmation);
2427        let needs_confirmation_tools = tool_use.needs_confirmation;
2428
2429        let status_icons = div().child(match &tool_use.status {
2430            ToolUseStatus::NeedsConfirmation => {
2431                let icon = Icon::new(IconName::Warning)
2432                    .color(Color::Warning)
2433                    .size(IconSize::Small);
2434                icon.into_any_element()
2435            }
2436            ToolUseStatus::Pending
2437            | ToolUseStatus::InputStillStreaming
2438            | ToolUseStatus::Running => {
2439                let icon = Icon::new(IconName::ArrowCircle)
2440                    .color(Color::Accent)
2441                    .size(IconSize::Small);
2442                icon.with_animation(
2443                    "arrow-circle",
2444                    Animation::new(Duration::from_secs(2)).repeat(),
2445                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2446                )
2447                .into_any_element()
2448            }
2449            ToolUseStatus::Finished(_) => div().w_0().into_any_element(),
2450            ToolUseStatus::Error(_) => {
2451                let icon = Icon::new(IconName::Close)
2452                    .color(Color::Error)
2453                    .size(IconSize::Small);
2454                icon.into_any_element()
2455            }
2456        });
2457
2458        let rendered_tool_use = self.rendered_tool_uses.get(&tool_use.id).cloned();
2459        let results_content_container = || v_flex().p_2().gap_0p5();
2460
2461        let results_content = v_flex()
2462            .gap_1()
2463            .child(
2464                results_content_container()
2465                    .child(
2466                        Label::new("Input")
2467                            .size(LabelSize::XSmall)
2468                            .color(Color::Muted)
2469                            .buffer_font(cx),
2470                    )
2471                    .child(
2472                        div()
2473                            .w_full()
2474                            .text_ui_sm(cx)
2475                            .children(rendered_tool_use.as_ref().map(|rendered| {
2476                                MarkdownElement::new(
2477                                    rendered.input.clone(),
2478                                    tool_use_markdown_style(window, cx),
2479                                )
2480                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2481                                    copy_button: false,
2482                                    border: false,
2483                                })
2484                                .on_url_click({
2485                                    let workspace = self.workspace.clone();
2486                                    move |text, window, cx| {
2487                                        open_markdown_link(text, workspace.clone(), window, cx);
2488                                    }
2489                                })
2490                            })),
2491                    ),
2492            )
2493            .map(|container| match tool_use.status {
2494                ToolUseStatus::Finished(_) => container.child(
2495                    results_content_container()
2496                        .border_t_1()
2497                        .border_color(self.tool_card_border_color(cx))
2498                        .child(
2499                            Label::new("Result")
2500                                .size(LabelSize::XSmall)
2501                                .color(Color::Muted)
2502                                .buffer_font(cx),
2503                        )
2504                        .child(div().w_full().text_ui_sm(cx).children(
2505                            rendered_tool_use.as_ref().map(|rendered| {
2506                                MarkdownElement::new(
2507                                    rendered.output.clone(),
2508                                    tool_use_markdown_style(window, cx),
2509                                )
2510                                .code_block_renderer(markdown::CodeBlockRenderer::Default {
2511                                    copy_button: false,
2512                                    border: false,
2513                                })
2514                                .on_url_click({
2515                                    let workspace = self.workspace.clone();
2516                                    move |text, window, cx| {
2517                                        open_markdown_link(text, workspace.clone(), window, cx);
2518                                    }
2519                                })
2520                                .into_any_element()
2521                            }),
2522                        )),
2523                ),
2524                ToolUseStatus::InputStillStreaming | ToolUseStatus::Running => container.child(
2525                    results_content_container()
2526                        .border_t_1()
2527                        .border_color(self.tool_card_border_color(cx))
2528                        .child(
2529                            h_flex()
2530                                .gap_1()
2531                                .child(
2532                                    Icon::new(IconName::ArrowCircle)
2533                                        .size(IconSize::Small)
2534                                        .color(Color::Accent)
2535                                        .with_animation(
2536                                            "arrow-circle",
2537                                            Animation::new(Duration::from_secs(2)).repeat(),
2538                                            |icon, delta| {
2539                                                icon.transform(Transformation::rotate(percentage(
2540                                                    delta,
2541                                                )))
2542                                            },
2543                                        ),
2544                                )
2545                                .child(
2546                                    Label::new("Running…")
2547                                        .size(LabelSize::XSmall)
2548                                        .color(Color::Muted)
2549                                        .buffer_font(cx),
2550                                ),
2551                        ),
2552                ),
2553                ToolUseStatus::Error(_) => container.child(
2554                    results_content_container()
2555                        .border_t_1()
2556                        .border_color(self.tool_card_border_color(cx))
2557                        .child(
2558                            Label::new("Error")
2559                                .size(LabelSize::XSmall)
2560                                .color(Color::Muted)
2561                                .buffer_font(cx),
2562                        )
2563                        .child(
2564                            div()
2565                                .text_ui_sm(cx)
2566                                .children(rendered_tool_use.as_ref().map(|rendered| {
2567                                    MarkdownElement::new(
2568                                        rendered.output.clone(),
2569                                        tool_use_markdown_style(window, cx),
2570                                    )
2571                                    .on_url_click({
2572                                        let workspace = self.workspace.clone();
2573                                        move |text, window, cx| {
2574                                            open_markdown_link(text, workspace.clone(), window, cx);
2575                                        }
2576                                    })
2577                                    .into_any_element()
2578                                })),
2579                        ),
2580                ),
2581                ToolUseStatus::Pending => container,
2582                ToolUseStatus::NeedsConfirmation => container.child(
2583                    results_content_container()
2584                        .border_t_1()
2585                        .border_color(self.tool_card_border_color(cx))
2586                        .child(
2587                            Label::new("Asking Permission")
2588                                .size(LabelSize::Small)
2589                                .color(Color::Muted)
2590                                .buffer_font(cx),
2591                        ),
2592                ),
2593            });
2594
2595        let gradient_overlay = |color: Hsla| {
2596            div()
2597                .h_full()
2598                .absolute()
2599                .w_12()
2600                .bottom_0()
2601                .map(|element| {
2602                    if is_status_finished {
2603                        element.right_6()
2604                    } else {
2605                        element.right(px(44.))
2606                    }
2607                })
2608                .bg(linear_gradient(
2609                    90.,
2610                    linear_color_stop(color, 1.),
2611                    linear_color_stop(color.opacity(0.2), 0.),
2612                ))
2613        };
2614
2615        v_flex().gap_1().mb_2().map(|element| {
2616            if !needs_confirmation_tools {
2617                element.child(
2618                    v_flex()
2619                        .child(
2620                            h_flex()
2621                                .group("disclosure-header")
2622                                .relative()
2623                                .gap_1p5()
2624                                .justify_between()
2625                                .opacity(0.8)
2626                                .hover(|style| style.opacity(1.))
2627                                .when(!is_status_finished, |this| this.pr_2())
2628                                .child(
2629                                    h_flex()
2630                                        .id("tool-label-container")
2631                                        .gap_1p5()
2632                                        .max_w_full()
2633                                        .overflow_x_scroll()
2634                                        .child(
2635                                            Icon::new(tool_use.icon)
2636                                                .size(IconSize::XSmall)
2637                                                .color(Color::Muted),
2638                                        )
2639                                        .child(
2640                                            h_flex().pr_8().text_size(rems(0.8125)).children(
2641                                                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| {
2642                                                    open_markdown_link(text, workspace.clone(), window, cx);
2643                                                }}))
2644                                            ),
2645                                        ),
2646                                )
2647                                .child(
2648                                    h_flex()
2649                                        .gap_1()
2650                                        .child(
2651                                            div().visible_on_hover("disclosure-header").child(
2652                                                Disclosure::new("tool-use-disclosure", is_open)
2653                                                    .opened_icon(IconName::ChevronUp)
2654                                                    .closed_icon(IconName::ChevronDown)
2655                                                    .on_click(cx.listener({
2656                                                        let tool_use_id = tool_use.id.clone();
2657                                                        move |this, _event, _window, _cx| {
2658                                                            let is_open = this
2659                                                                .expanded_tool_uses
2660                                                                .entry(tool_use_id.clone())
2661                                                                .or_insert(false);
2662
2663                                                            *is_open = !*is_open;
2664                                                        }
2665                                                    })),
2666                                            ),
2667                                        )
2668                                        .child(status_icons),
2669                                )
2670                                .child(gradient_overlay(cx.theme().colors().panel_background)),
2671                        )
2672                        .map(|parent| {
2673                            if !is_open {
2674                                return parent;
2675                            }
2676
2677                            parent.child(
2678                                v_flex()
2679                                    .mt_1()
2680                                    .border_1()
2681                                    .border_color(self.tool_card_border_color(cx))
2682                                    .bg(cx.theme().colors().editor_background)
2683                                    .rounded_lg()
2684                                    .child(results_content),
2685                            )
2686                        }),
2687                )
2688            } else {
2689                v_flex()
2690                    .mb_2()
2691                    .rounded_lg()
2692                    .border_1()
2693                    .border_color(self.tool_card_border_color(cx))
2694                    .overflow_hidden()
2695                    .child(
2696                        h_flex()
2697                            .group("disclosure-header")
2698                            .relative()
2699                            .justify_between()
2700                            .py_1()
2701                            .map(|element| {
2702                                if is_status_finished {
2703                                    element.pl_2().pr_0p5()
2704                                } else {
2705                                    element.px_2()
2706                                }
2707                            })
2708                            .bg(self.tool_card_header_bg(cx))
2709                            .map(|element| {
2710                                if is_open {
2711                                    element.border_b_1().rounded_t_md()
2712                                } else if needs_confirmation {
2713                                    element.rounded_t_md()
2714                                } else {
2715                                    element.rounded_md()
2716                                }
2717                            })
2718                            .border_color(self.tool_card_border_color(cx))
2719                            .child(
2720                                h_flex()
2721                                    .id("tool-label-container")
2722                                    .gap_1p5()
2723                                    .max_w_full()
2724                                    .overflow_x_scroll()
2725                                    .child(
2726                                        Icon::new(tool_use.icon)
2727                                            .size(IconSize::XSmall)
2728                                            .color(Color::Muted),
2729                                    )
2730                                    .child(
2731                                        h_flex().pr_8().text_ui_sm(cx).children(
2732                                            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| {
2733                                                open_markdown_link(text, workspace.clone(), window, cx);
2734                                            }}))
2735                                        ),
2736                                    ),
2737                            )
2738                            .child(
2739                                h_flex()
2740                                    .gap_1()
2741                                    .child(
2742                                        div().visible_on_hover("disclosure-header").child(
2743                                            Disclosure::new("tool-use-disclosure", is_open)
2744                                                .opened_icon(IconName::ChevronUp)
2745                                                .closed_icon(IconName::ChevronDown)
2746                                                .on_click(cx.listener({
2747                                                    let tool_use_id = tool_use.id.clone();
2748                                                    move |this, _event, _window, _cx| {
2749                                                        let is_open = this
2750                                                            .expanded_tool_uses
2751                                                            .entry(tool_use_id.clone())
2752                                                            .or_insert(false);
2753
2754                                                        *is_open = !*is_open;
2755                                                    }
2756                                                })),
2757                                        ),
2758                                    )
2759                                    .child(status_icons),
2760                            )
2761                            .child(gradient_overlay(self.tool_card_header_bg(cx))),
2762                    )
2763                    .map(|parent| {
2764                        if !is_open {
2765                            return parent;
2766                        }
2767
2768                        parent.child(
2769                            v_flex()
2770                                .bg(cx.theme().colors().editor_background)
2771                                .map(|element| {
2772                                    if  needs_confirmation {
2773                                        element.rounded_none()
2774                                    } else {
2775                                        element.rounded_b_lg()
2776                                    }
2777                                })
2778                                .child(results_content),
2779                        )
2780                    })
2781                    .when(needs_confirmation, |this| {
2782                        this.child(
2783                            h_flex()
2784                                .py_1()
2785                                .pl_2()
2786                                .pr_1()
2787                                .gap_1()
2788                                .justify_between()
2789                                .bg(cx.theme().colors().editor_background)
2790                                .border_t_1()
2791                                .border_color(self.tool_card_border_color(cx))
2792                                .rounded_b_lg()
2793                                .child(
2794                                    AnimatedLabel::new("Waiting for Confirmation").size(LabelSize::Small)
2795                                )
2796                                .child(
2797                                    h_flex()
2798                                        .gap_0p5()
2799                                        .child({
2800                                            let tool_id = tool_use.id.clone();
2801                                            Button::new(
2802                                                "always-allow-tool-action",
2803                                                "Always Allow",
2804                                            )
2805                                            .label_size(LabelSize::Small)
2806                                            .icon(IconName::CheckDouble)
2807                                            .icon_position(IconPosition::Start)
2808                                            .icon_size(IconSize::Small)
2809                                            .icon_color(Color::Success)
2810                                            .tooltip(move |window, cx|  {
2811                                                Tooltip::with_meta(
2812                                                    "Never ask for permission",
2813                                                    None,
2814                                                    "Restore the original behavior in your Agent Panel settings",
2815                                                    window,
2816                                                    cx,
2817                                                )
2818                                            })
2819                                            .on_click(cx.listener(
2820                                                move |this, event, window, cx| {
2821                                                    if let Some(fs) = fs.clone() {
2822                                                        update_settings_file::<AssistantSettings>(
2823                                                            fs.clone(),
2824                                                            cx,
2825                                                            |settings, _| {
2826                                                                settings.set_always_allow_tool_actions(true);
2827                                                            },
2828                                                        );
2829                                                    }
2830                                                    this.handle_allow_tool(
2831                                                        tool_id.clone(),
2832                                                        event,
2833                                                        window,
2834                                                        cx,
2835                                                    )
2836                                                },
2837                                            ))
2838                                        })
2839                                        .child(ui::Divider::vertical())
2840                                        .child({
2841                                            let tool_id = tool_use.id.clone();
2842                                            Button::new("allow-tool-action", "Allow")
2843                                                .label_size(LabelSize::Small)
2844                                                .icon(IconName::Check)
2845                                                .icon_position(IconPosition::Start)
2846                                                .icon_size(IconSize::Small)
2847                                                .icon_color(Color::Success)
2848                                                .on_click(cx.listener(
2849                                                    move |this, event, window, cx| {
2850                                                        this.handle_allow_tool(
2851                                                            tool_id.clone(),
2852                                                            event,
2853                                                            window,
2854                                                            cx,
2855                                                        )
2856                                                    },
2857                                                ))
2858                                        })
2859                                        .child({
2860                                            let tool_id = tool_use.id.clone();
2861                                            let tool_name: Arc<str> = tool_use.name.into();
2862                                            Button::new("deny-tool", "Deny")
2863                                                .label_size(LabelSize::Small)
2864                                                .icon(IconName::Close)
2865                                                .icon_position(IconPosition::Start)
2866                                                .icon_size(IconSize::Small)
2867                                                .icon_color(Color::Error)
2868                                                .on_click(cx.listener(
2869                                                    move |this, event, window, cx| {
2870                                                        this.handle_deny_tool(
2871                                                            tool_id.clone(),
2872                                                            tool_name.clone(),
2873                                                            event,
2874                                                            window,
2875                                                            cx,
2876                                                        )
2877                                                    },
2878                                                ))
2879                                        }),
2880                                ),
2881                        )
2882                    })
2883            }
2884        }).into_any_element()
2885    }
2886
2887    fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {
2888        let project_context = self.thread.read(cx).project_context();
2889        let project_context = project_context.borrow();
2890        let Some(project_context) = project_context.as_ref() else {
2891            return div().into_any();
2892        };
2893
2894        let user_rules_text = if project_context.user_rules.is_empty() {
2895            None
2896        } else if project_context.user_rules.len() == 1 {
2897            let user_rules = &project_context.user_rules[0];
2898
2899            match user_rules.title.as_ref() {
2900                Some(title) => Some(format!("Using \"{title}\" user rule")),
2901                None => Some("Using user rule".into()),
2902            }
2903        } else {
2904            Some(format!(
2905                "Using {} user rules",
2906                project_context.user_rules.len()
2907            ))
2908        };
2909
2910        let first_user_rules_id = project_context
2911            .user_rules
2912            .first()
2913            .map(|user_rules| user_rules.uuid.0);
2914
2915        let rules_files = project_context
2916            .worktrees
2917            .iter()
2918            .filter_map(|worktree| worktree.rules_file.as_ref())
2919            .collect::<Vec<_>>();
2920
2921        let rules_file_text = match rules_files.as_slice() {
2922            &[] => None,
2923            &[rules_file] => Some(format!(
2924                "Using project {:?} file",
2925                rules_file.path_in_worktree
2926            )),
2927            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2928        };
2929
2930        if user_rules_text.is_none() && rules_file_text.is_none() {
2931            return div().into_any();
2932        }
2933
2934        v_flex()
2935            .pt_2()
2936            .px_2p5()
2937            .gap_1()
2938            .when_some(user_rules_text, |parent, user_rules_text| {
2939                parent.child(
2940                    h_flex()
2941                        .w_full()
2942                        .child(
2943                            Icon::new(RULES_ICON)
2944                                .size(IconSize::XSmall)
2945                                .color(Color::Disabled),
2946                        )
2947                        .child(
2948                            Label::new(user_rules_text)
2949                                .size(LabelSize::XSmall)
2950                                .color(Color::Muted)
2951                                .truncate()
2952                                .buffer_font(cx)
2953                                .ml_1p5()
2954                                .mr_0p5(),
2955                        )
2956                        .child(
2957                            IconButton::new("open-prompt-library", IconName::ArrowUpRightAlt)
2958                                .shape(ui::IconButtonShape::Square)
2959                                .icon_size(IconSize::XSmall)
2960                                .icon_color(Color::Ignored)
2961                                // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2962                                .tooltip(Tooltip::text("View User Rules"))
2963                                .on_click(move |_event, window, cx| {
2964                                    window.dispatch_action(
2965                                        Box::new(OpenRulesLibrary {
2966                                            prompt_to_select: first_user_rules_id,
2967                                        }),
2968                                        cx,
2969                                    )
2970                                }),
2971                        ),
2972                )
2973            })
2974            .when_some(rules_file_text, |parent, rules_file_text| {
2975                parent.child(
2976                    h_flex()
2977                        .w_full()
2978                        .child(
2979                            Icon::new(IconName::File)
2980                                .size(IconSize::XSmall)
2981                                .color(Color::Disabled),
2982                        )
2983                        .child(
2984                            Label::new(rules_file_text)
2985                                .size(LabelSize::XSmall)
2986                                .color(Color::Muted)
2987                                .buffer_font(cx)
2988                                .ml_1p5()
2989                                .mr_0p5(),
2990                        )
2991                        .child(
2992                            IconButton::new("open-rule", IconName::ArrowUpRightAlt)
2993                                .shape(ui::IconButtonShape::Square)
2994                                .icon_size(IconSize::XSmall)
2995                                .icon_color(Color::Ignored)
2996                                .on_click(cx.listener(Self::handle_open_rules))
2997                                .tooltip(Tooltip::text("View Rules")),
2998                        ),
2999                )
3000            })
3001            .into_any()
3002    }
3003
3004    fn handle_allow_tool(
3005        &mut self,
3006        tool_use_id: LanguageModelToolUseId,
3007        _: &ClickEvent,
3008        window: &mut Window,
3009        cx: &mut Context<Self>,
3010    ) {
3011        if let Some(PendingToolUseStatus::NeedsConfirmation(c)) = self
3012            .thread
3013            .read(cx)
3014            .pending_tool(&tool_use_id)
3015            .map(|tool_use| tool_use.status.clone())
3016        {
3017            self.thread.update(cx, |thread, cx| {
3018                thread.run_tool(
3019                    c.tool_use_id.clone(),
3020                    c.ui_text.clone(),
3021                    c.input.clone(),
3022                    &c.messages,
3023                    c.tool.clone(),
3024                    Some(window.window_handle()),
3025                    cx,
3026                );
3027            });
3028        }
3029    }
3030
3031    fn handle_deny_tool(
3032        &mut self,
3033        tool_use_id: LanguageModelToolUseId,
3034        tool_name: Arc<str>,
3035        _: &ClickEvent,
3036        window: &mut Window,
3037        cx: &mut Context<Self>,
3038    ) {
3039        let window_handle = window.window_handle();
3040        self.thread.update(cx, |thread, cx| {
3041            thread.deny_tool_use(tool_use_id, tool_name, Some(window_handle), cx);
3042        });
3043    }
3044
3045    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
3046        let project_context = self.thread.read(cx).project_context();
3047        let project_context = project_context.borrow();
3048        let Some(project_context) = project_context.as_ref() else {
3049            return;
3050        };
3051
3052        let abs_paths = project_context
3053            .worktrees
3054            .iter()
3055            .flat_map(|worktree| worktree.rules_file.as_ref())
3056            .map(|rules_file| rules_file.abs_path.to_path_buf())
3057            .collect::<Vec<_>>();
3058
3059        if let Ok(task) = self.workspace.update(cx, move |workspace, cx| {
3060            // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
3061            // files clear. For example, if rules file 1 is already open but rules file 2 is not,
3062            // this would open and focus rules file 2 in a tab that is not next to rules file 1.
3063            workspace.open_paths(abs_paths, OpenOptions::default(), None, window, cx)
3064        }) {
3065            task.detach();
3066        }
3067    }
3068
3069    fn dismiss_notifications(&mut self, cx: &mut Context<ActiveThread>) {
3070        for window in self.notifications.drain(..) {
3071            window
3072                .update(cx, |_, window, _| {
3073                    window.remove_window();
3074                })
3075                .ok();
3076
3077            self.notification_subscriptions.remove(&window);
3078        }
3079    }
3080
3081    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
3082        if !self.show_scrollbar && !self.scrollbar_state.is_dragging() {
3083            return None;
3084        }
3085
3086        Some(
3087            div()
3088                .occlude()
3089                .id("active-thread-scrollbar")
3090                .on_mouse_move(cx.listener(|_, _, _, cx| {
3091                    cx.notify();
3092                    cx.stop_propagation()
3093                }))
3094                .on_hover(|_, _, cx| {
3095                    cx.stop_propagation();
3096                })
3097                .on_any_mouse_down(|_, _, cx| {
3098                    cx.stop_propagation();
3099                })
3100                .on_mouse_up(
3101                    MouseButton::Left,
3102                    cx.listener(|_, _, _, cx| {
3103                        cx.stop_propagation();
3104                    }),
3105                )
3106                .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3107                    cx.notify();
3108                }))
3109                .h_full()
3110                .absolute()
3111                .right_1()
3112                .top_1()
3113                .bottom_0()
3114                .w(px(12.))
3115                .cursor_default()
3116                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
3117        )
3118    }
3119
3120    fn hide_scrollbar_later(&mut self, cx: &mut Context<Self>) {
3121        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
3122        self.hide_scrollbar_task = Some(cx.spawn(async move |thread, cx| {
3123            cx.background_executor()
3124                .timer(SCROLLBAR_SHOW_INTERVAL)
3125                .await;
3126            thread
3127                .update(cx, |thread, cx| {
3128                    if !thread.scrollbar_state.is_dragging() {
3129                        thread.show_scrollbar = false;
3130                        cx.notify();
3131                    }
3132                })
3133                .log_err();
3134        }))
3135    }
3136}
3137
3138pub enum ActiveThreadEvent {
3139    EditingMessageTokenCountChanged,
3140}
3141
3142impl EventEmitter<ActiveThreadEvent> for ActiveThread {}
3143
3144impl Render for ActiveThread {
3145    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3146        v_flex()
3147            .size_full()
3148            .relative()
3149            .on_mouse_move(cx.listener(|this, _, _, cx| {
3150                this.show_scrollbar = true;
3151                this.hide_scrollbar_later(cx);
3152                cx.notify();
3153            }))
3154            .on_scroll_wheel(cx.listener(|this, _, _, cx| {
3155                this.show_scrollbar = true;
3156                this.hide_scrollbar_later(cx);
3157                cx.notify();
3158            }))
3159            .on_mouse_up(
3160                MouseButton::Left,
3161                cx.listener(|this, _, _, cx| {
3162                    this.hide_scrollbar_later(cx);
3163                }),
3164            )
3165            .child(list(self.list_state.clone()).flex_grow())
3166            .when_some(self.render_vertical_scrollbar(cx), |this, scrollbar| {
3167                this.child(scrollbar)
3168            })
3169    }
3170}
3171
3172pub(crate) fn open_context(
3173    context: &AgentContext,
3174    workspace: Entity<Workspace>,
3175    window: &mut Window,
3176    cx: &mut App,
3177) {
3178    match context {
3179        AgentContext::File(file_context) => {
3180            if let Some(project_path) = file_context.project_path(cx) {
3181                workspace.update(cx, |workspace, cx| {
3182                    workspace
3183                        .open_path(project_path, None, true, window, cx)
3184                        .detach_and_log_err(cx);
3185                });
3186            }
3187        }
3188
3189        AgentContext::Directory(directory_context) => {
3190            let entry_id = directory_context.entry_id;
3191            workspace.update(cx, |workspace, cx| {
3192                workspace.project().update(cx, |_project, cx| {
3193                    cx.emit(project::Event::RevealInProjectPanel(entry_id));
3194                })
3195            })
3196        }
3197
3198        AgentContext::Symbol(symbol_context) => {
3199            let buffer = symbol_context.buffer.read(cx);
3200            if let Some(project_path) = buffer.project_path(cx) {
3201                let snapshot = buffer.snapshot();
3202                let target_position = symbol_context.range.start.to_point(&snapshot);
3203                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3204                    .detach();
3205            }
3206        }
3207
3208        AgentContext::Selection(selection_context) => {
3209            let buffer = selection_context.buffer.read(cx);
3210            if let Some(project_path) = buffer.project_path(cx) {
3211                let snapshot = buffer.snapshot();
3212                let target_position = selection_context.range.start.to_point(&snapshot);
3213
3214                open_editor_at_position(project_path, target_position, &workspace, window, cx)
3215                    .detach();
3216            }
3217        }
3218
3219        AgentContext::FetchedUrl(fetched_url_context) => {
3220            cx.open_url(&fetched_url_context.url);
3221        }
3222
3223        AgentContext::Thread(thread_context) => workspace.update(cx, |workspace, cx| {
3224            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
3225                panel.update(cx, |panel, cx| {
3226                    let thread_id = thread_context.thread.read(cx).id().clone();
3227                    panel
3228                        .open_thread(&thread_id, window, cx)
3229                        .detach_and_log_err(cx)
3230                });
3231            }
3232        }),
3233
3234        AgentContext::Rules(rules_context) => window.dispatch_action(
3235            Box::new(OpenRulesLibrary {
3236                prompt_to_select: Some(rules_context.prompt_id.0),
3237            }),
3238            cx,
3239        ),
3240
3241        AgentContext::Image(_) => {}
3242    }
3243}
3244
3245fn open_editor_at_position(
3246    project_path: project::ProjectPath,
3247    target_position: Point,
3248    workspace: &Entity<Workspace>,
3249    window: &mut Window,
3250    cx: &mut App,
3251) -> Task<()> {
3252    let open_task = workspace.update(cx, |workspace, cx| {
3253        workspace.open_path(project_path, None, true, window, cx)
3254    });
3255    window.spawn(cx, async move |cx| {
3256        if let Some(active_editor) = open_task
3257            .await
3258            .log_err()
3259            .and_then(|item| item.downcast::<Editor>())
3260        {
3261            active_editor
3262                .downgrade()
3263                .update_in(cx, |editor, window, cx| {
3264                    editor.go_to_singleton_buffer_point(target_position, window, cx);
3265                })
3266                .log_err();
3267        }
3268    })
3269}