thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, ClaudeCode};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore};
  12use anyhow::bail;
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use gpui::{
  22    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  23    EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset,
  24    ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription,
  25    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
  26    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage, point,
  27    prelude::*, pulsating_between,
  28};
  29use language::Buffer;
  30
  31use language_model::LanguageModelRegistry;
  32use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  33use project::{Project, ProjectEntryId};
  34use prompt_store::{PromptId, PromptStore};
  35use rope::Point;
  36use settings::{Settings as _, SettingsStore};
  37use std::cell::Cell;
  38use std::sync::Arc;
  39use std::time::Instant;
  40use std::{collections::BTreeMap, rc::Rc, time::Duration};
  41use text::Anchor;
  42use theme::ThemeSettings;
  43use ui::{
  44    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  45    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, prelude::*,
  46};
  47use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  48use workspace::{CollaboratorId, Workspace};
  49use zed_actions::agent::{Chat, ToggleModelSelector};
  50use zed_actions::assistant::OpenRulesLibrary;
  51
  52use super::entry_view_state::EntryViewState;
  53use crate::acp::AcpModelSelectorPopover;
  54use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  55use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  56use crate::agent_diff::AgentDiff;
  57use crate::profile_selector::{ProfileProvider, ProfileSelector};
  58
  59use crate::ui::preview::UsageCallout;
  60use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip};
  61use crate::{
  62    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  63    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  64};
  65
  66const RESPONSE_PADDING_X: Pixels = px(19.);
  67pub const MIN_EDITOR_LINES: usize = 4;
  68pub const MAX_EDITOR_LINES: usize = 8;
  69
  70#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  71enum ThreadFeedback {
  72    Positive,
  73    Negative,
  74}
  75
  76enum ThreadError {
  77    PaymentRequired,
  78    ModelRequestLimitReached(cloud_llm_client::Plan),
  79    ToolUseLimitReached,
  80    AuthenticationRequired(SharedString),
  81    Other(SharedString),
  82}
  83
  84impl ThreadError {
  85    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  86        if error.is::<language_model::PaymentRequiredError>() {
  87            Self::PaymentRequired
  88        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  89            Self::ToolUseLimitReached
  90        } else if let Some(error) =
  91            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  92        {
  93            Self::ModelRequestLimitReached(error.plan)
  94        } else {
  95            let string = error.to_string();
  96            // TODO: we should have Gemini return better errors here.
  97            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
  98                && string.contains("Could not load the default credentials")
  99                || string.contains("API key not valid")
 100                || string.contains("Request had invalid authentication credentials")
 101            {
 102                Self::AuthenticationRequired(string.into())
 103            } else {
 104                Self::Other(error.to_string().into())
 105            }
 106        }
 107    }
 108}
 109
 110impl ProfileProvider for Entity<agent2::Thread> {
 111    fn profile_id(&self, cx: &App) -> AgentProfileId {
 112        self.read(cx).profile().clone()
 113    }
 114
 115    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 116        self.update(cx, |thread, _cx| {
 117            thread.set_profile(profile_id);
 118        });
 119    }
 120
 121    fn profiles_supported(&self, cx: &App) -> bool {
 122        self.read(cx)
 123            .model()
 124            .is_some_and(|model| model.supports_tools())
 125    }
 126}
 127
 128#[derive(Default)]
 129struct ThreadFeedbackState {
 130    feedback: Option<ThreadFeedback>,
 131    comments_editor: Option<Entity<Editor>>,
 132}
 133
 134impl ThreadFeedbackState {
 135    pub fn submit(
 136        &mut self,
 137        thread: Entity<AcpThread>,
 138        feedback: ThreadFeedback,
 139        window: &mut Window,
 140        cx: &mut App,
 141    ) {
 142        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 143            return;
 144        };
 145
 146        if self.feedback == Some(feedback) {
 147            return;
 148        }
 149
 150        self.feedback = Some(feedback);
 151        match feedback {
 152            ThreadFeedback::Positive => {
 153                self.comments_editor = None;
 154            }
 155            ThreadFeedback::Negative => {
 156                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 157            }
 158        }
 159        let session_id = thread.read(cx).session_id().clone();
 160        let agent_name = telemetry.agent_name();
 161        let task = telemetry.thread_data(&session_id, cx);
 162        let rating = match feedback {
 163            ThreadFeedback::Positive => "positive",
 164            ThreadFeedback::Negative => "negative",
 165        };
 166        cx.background_spawn(async move {
 167            let thread = task.await?;
 168            telemetry::event!(
 169                "Agent Thread Rated",
 170                session_id = session_id,
 171                rating = rating,
 172                agent = agent_name,
 173                thread = thread
 174            );
 175            anyhow::Ok(())
 176        })
 177        .detach_and_log_err(cx);
 178    }
 179
 180    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 181        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 182            return;
 183        };
 184
 185        let Some(comments) = self
 186            .comments_editor
 187            .as_ref()
 188            .map(|editor| editor.read(cx).text(cx))
 189            .filter(|text| !text.trim().is_empty())
 190        else {
 191            return;
 192        };
 193
 194        self.comments_editor.take();
 195
 196        let session_id = thread.read(cx).session_id().clone();
 197        let agent_name = telemetry.agent_name();
 198        let task = telemetry.thread_data(&session_id, cx);
 199        cx.background_spawn(async move {
 200            let thread = task.await?;
 201            telemetry::event!(
 202                "Agent Thread Feedback Comments",
 203                session_id = session_id,
 204                comments = comments,
 205                agent = agent_name,
 206                thread = thread
 207            );
 208            anyhow::Ok(())
 209        })
 210        .detach_and_log_err(cx);
 211    }
 212
 213    pub fn clear(&mut self) {
 214        *self = Self::default()
 215    }
 216
 217    pub fn dismiss_comments(&mut self) {
 218        self.comments_editor.take();
 219    }
 220
 221    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 222        let buffer = cx.new(|cx| {
 223            let empty_string = String::new();
 224            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 225        });
 226
 227        let editor = cx.new(|cx| {
 228            let mut editor = Editor::new(
 229                editor::EditorMode::AutoHeight {
 230                    min_lines: 1,
 231                    max_lines: Some(4),
 232                },
 233                buffer,
 234                None,
 235                window,
 236                cx,
 237            );
 238            editor.set_placeholder_text(
 239                "What went wrong? Share your feedback so we can improve.",
 240                cx,
 241            );
 242            editor
 243        });
 244
 245        editor.read(cx).focus_handle(cx).focus(window);
 246        editor
 247    }
 248}
 249
 250pub struct AcpThreadView {
 251    agent: Rc<dyn AgentServer>,
 252    workspace: WeakEntity<Workspace>,
 253    project: Entity<Project>,
 254    thread_state: ThreadState,
 255    history_store: Entity<HistoryStore>,
 256    hovered_recent_history_item: Option<usize>,
 257    entry_view_state: Entity<EntryViewState>,
 258    message_editor: Entity<MessageEditor>,
 259    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 260    profile_selector: Option<Entity<ProfileSelector>>,
 261    notifications: Vec<WindowHandle<AgentNotification>>,
 262    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 263    thread_retry_status: Option<RetryStatus>,
 264    thread_error: Option<ThreadError>,
 265    thread_feedback: ThreadFeedbackState,
 266    list_state: ListState,
 267    scrollbar_state: ScrollbarState,
 268    auth_task: Option<Task<()>>,
 269    expanded_tool_calls: HashSet<acp::ToolCallId>,
 270    expanded_thinking_blocks: HashSet<(usize, usize)>,
 271    edits_expanded: bool,
 272    plan_expanded: bool,
 273    editor_expanded: bool,
 274    editing_message: Option<usize>,
 275    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 276    _cancel_task: Option<Task<()>>,
 277    _subscriptions: [Subscription; 3],
 278}
 279
 280enum ThreadState {
 281    Loading {
 282        _task: Task<()>,
 283    },
 284    Ready {
 285        thread: Entity<AcpThread>,
 286        title_editor: Option<Entity<Editor>>,
 287        _subscriptions: Vec<Subscription>,
 288    },
 289    LoadError(LoadError),
 290    Unauthenticated {
 291        connection: Rc<dyn AgentConnection>,
 292        description: Option<Entity<Markdown>>,
 293        configuration_view: Option<AnyView>,
 294        pending_auth_method: Option<acp::AuthMethodId>,
 295        _subscription: Option<Subscription>,
 296    },
 297}
 298
 299impl AcpThreadView {
 300    pub fn new(
 301        agent: Rc<dyn AgentServer>,
 302        resume_thread: Option<DbThreadMetadata>,
 303        summarize_thread: Option<DbThreadMetadata>,
 304        workspace: WeakEntity<Workspace>,
 305        project: Entity<Project>,
 306        history_store: Entity<HistoryStore>,
 307        prompt_store: Option<Entity<PromptStore>>,
 308        window: &mut Window,
 309        cx: &mut Context<Self>,
 310    ) -> Self {
 311        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 312        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 313        let message_editor = cx.new(|cx| {
 314            let mut editor = MessageEditor::new(
 315                workspace.clone(),
 316                project.clone(),
 317                history_store.clone(),
 318                prompt_store.clone(),
 319                prompt_capabilities.clone(),
 320                "Message the agent — @ to include context",
 321                prevent_slash_commands,
 322                editor::EditorMode::AutoHeight {
 323                    min_lines: MIN_EDITOR_LINES,
 324                    max_lines: Some(MAX_EDITOR_LINES),
 325                },
 326                window,
 327                cx,
 328            );
 329            if let Some(entry) = summarize_thread {
 330                editor.insert_thread_summary(entry, window, cx);
 331            }
 332            editor
 333        });
 334
 335        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 336
 337        let entry_view_state = cx.new(|_| {
 338            EntryViewState::new(
 339                workspace.clone(),
 340                project.clone(),
 341                history_store.clone(),
 342                prompt_store.clone(),
 343                prompt_capabilities.clone(),
 344                prevent_slash_commands,
 345            )
 346        });
 347
 348        let subscriptions = [
 349            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 350            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 351            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 352        ];
 353
 354        Self {
 355            agent: agent.clone(),
 356            workspace: workspace.clone(),
 357            project: project.clone(),
 358            entry_view_state,
 359            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 360            message_editor,
 361            model_selector: None,
 362            profile_selector: None,
 363            notifications: Vec::new(),
 364            notification_subscriptions: HashMap::default(),
 365            list_state: list_state.clone(),
 366            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 367            thread_retry_status: None,
 368            thread_error: None,
 369            thread_feedback: Default::default(),
 370            auth_task: None,
 371            expanded_tool_calls: HashSet::default(),
 372            expanded_thinking_blocks: HashSet::default(),
 373            editing_message: None,
 374            edits_expanded: false,
 375            plan_expanded: false,
 376            editor_expanded: false,
 377            history_store,
 378            hovered_recent_history_item: None,
 379            prompt_capabilities,
 380            _subscriptions: subscriptions,
 381            _cancel_task: None,
 382        }
 383    }
 384
 385    fn initial_state(
 386        agent: Rc<dyn AgentServer>,
 387        resume_thread: Option<DbThreadMetadata>,
 388        workspace: WeakEntity<Workspace>,
 389        project: Entity<Project>,
 390        window: &mut Window,
 391        cx: &mut Context<Self>,
 392    ) -> ThreadState {
 393        let root_dir = project
 394            .read(cx)
 395            .visible_worktrees(cx)
 396            .next()
 397            .map(|worktree| worktree.read(cx).abs_path())
 398            .unwrap_or_else(|| paths::home_dir().as_path().into());
 399
 400        let connect_task = agent.connect(&root_dir, &project, cx);
 401        let load_task = cx.spawn_in(window, async move |this, cx| {
 402            let connection = match connect_task.await {
 403                Ok(connection) => connection,
 404                Err(err) => {
 405                    this.update(cx, |this, cx| {
 406                        this.handle_load_error(err, cx);
 407                        cx.notify();
 408                    })
 409                    .log_err();
 410                    return;
 411                }
 412            };
 413
 414            let result = if let Some(native_agent) = connection
 415                .clone()
 416                .downcast::<agent2::NativeAgentConnection>()
 417                && let Some(resume) = resume_thread.clone()
 418            {
 419                cx.update(|_, cx| {
 420                    native_agent
 421                        .0
 422                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 423                })
 424                .log_err()
 425            } else {
 426                cx.update(|_, cx| {
 427                    connection
 428                        .clone()
 429                        .new_thread(project.clone(), &root_dir, cx)
 430                })
 431                .log_err()
 432            };
 433
 434            let Some(result) = result else {
 435                return;
 436            };
 437
 438            let result = match result.await {
 439                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 440                    Ok(err) => {
 441                        cx.update(|window, cx| {
 442                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 443                        })
 444                        .log_err();
 445                        return;
 446                    }
 447                    Err(err) => Err(err),
 448                },
 449                Ok(thread) => Ok(thread),
 450            };
 451
 452            this.update_in(cx, |this, window, cx| {
 453                match result {
 454                    Ok(thread) => {
 455                        let action_log = thread.read(cx).action_log().clone();
 456
 457                        this.prompt_capabilities
 458                            .set(connection.prompt_capabilities());
 459
 460                        let count = thread.read(cx).entries().len();
 461                        this.list_state.splice(0..0, count);
 462                        this.entry_view_state.update(cx, |view_state, cx| {
 463                            for ix in 0..count {
 464                                view_state.sync_entry(ix, &thread, window, cx);
 465                            }
 466                        });
 467
 468                        if let Some(resume) = resume_thread {
 469                            this.history_store.update(cx, |history, cx| {
 470                                history.push_recently_opened_entry(
 471                                    HistoryEntryId::AcpThread(resume.id),
 472                                    cx,
 473                                );
 474                            });
 475                        }
 476
 477                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 478
 479                        this.model_selector =
 480                            thread
 481                                .read(cx)
 482                                .connection()
 483                                .model_selector()
 484                                .map(|selector| {
 485                                    cx.new(|cx| {
 486                                        AcpModelSelectorPopover::new(
 487                                            thread.read(cx).session_id().clone(),
 488                                            selector,
 489                                            PopoverMenuHandle::default(),
 490                                            this.focus_handle(cx),
 491                                            window,
 492                                            cx,
 493                                        )
 494                                    })
 495                                });
 496
 497                        let mut subscriptions = vec![
 498                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 499                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 500                        ];
 501
 502                        let title_editor =
 503                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 504                                let editor = cx.new(|cx| {
 505                                    let mut editor = Editor::single_line(window, cx);
 506                                    editor.set_text(thread.read(cx).title(), window, cx);
 507                                    editor
 508                                });
 509                                subscriptions.push(cx.subscribe_in(
 510                                    &editor,
 511                                    window,
 512                                    Self::handle_title_editor_event,
 513                                ));
 514                                Some(editor)
 515                            } else {
 516                                None
 517                            };
 518                        this.thread_state = ThreadState::Ready {
 519                            thread,
 520                            title_editor,
 521                            _subscriptions: subscriptions,
 522                        };
 523
 524                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 525                            cx.new(|cx| {
 526                                ProfileSelector::new(
 527                                    <dyn Fs>::global(cx),
 528                                    Arc::new(thread.clone()),
 529                                    this.focus_handle(cx),
 530                                    cx,
 531                                )
 532                            })
 533                        });
 534
 535                        cx.notify();
 536                    }
 537                    Err(err) => {
 538                        this.handle_load_error(err, cx);
 539                    }
 540                };
 541            })
 542            .log_err();
 543        });
 544
 545        ThreadState::Loading { _task: load_task }
 546    }
 547
 548    fn handle_auth_required(
 549        this: WeakEntity<Self>,
 550        err: AuthRequired,
 551        agent: Rc<dyn AgentServer>,
 552        connection: Rc<dyn AgentConnection>,
 553        window: &mut Window,
 554        cx: &mut App,
 555    ) {
 556        let agent_name = agent.name();
 557        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 558            let registry = LanguageModelRegistry::global(cx);
 559
 560            let sub = window.subscribe(&registry, cx, {
 561                let provider_id = provider_id.clone();
 562                let this = this.clone();
 563                move |_, ev, window, cx| {
 564                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 565                        && &provider_id == updated_provider_id
 566                    {
 567                        this.update(cx, |this, cx| {
 568                            this.thread_state = Self::initial_state(
 569                                agent.clone(),
 570                                None,
 571                                this.workspace.clone(),
 572                                this.project.clone(),
 573                                window,
 574                                cx,
 575                            );
 576                            cx.notify();
 577                        })
 578                        .ok();
 579                    }
 580                }
 581            });
 582
 583            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 584                provider.configuration_view(
 585                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 586                    window,
 587                    cx,
 588                )
 589            });
 590
 591            (view, Some(sub))
 592        } else {
 593            (None, None)
 594        };
 595
 596        this.update(cx, |this, cx| {
 597            this.thread_state = ThreadState::Unauthenticated {
 598                pending_auth_method: None,
 599                connection,
 600                configuration_view,
 601                description: err
 602                    .description
 603                    .clone()
 604                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 605                _subscription: subscription,
 606            };
 607            cx.notify();
 608        })
 609        .ok();
 610    }
 611
 612    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 613        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 614            self.thread_state = ThreadState::LoadError(load_err.clone());
 615        } else {
 616            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 617        }
 618        cx.notify();
 619    }
 620
 621    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 622        &self.workspace
 623    }
 624
 625    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 626        match &self.thread_state {
 627            ThreadState::Ready { thread, .. } => Some(thread),
 628            ThreadState::Unauthenticated { .. }
 629            | ThreadState::Loading { .. }
 630            | ThreadState::LoadError { .. } => None,
 631        }
 632    }
 633
 634    pub fn title(&self, cx: &App) -> SharedString {
 635        match &self.thread_state {
 636            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 637            ThreadState::Loading { .. } => "Loading…".into(),
 638            ThreadState::LoadError(_) => "Failed to load".into(),
 639            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 640        }
 641    }
 642
 643    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 644        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 645            title_editor.clone()
 646        } else {
 647            None
 648        }
 649    }
 650
 651    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 652        self.thread_error.take();
 653        self.thread_retry_status.take();
 654
 655        if let Some(thread) = self.thread() {
 656            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 657        }
 658    }
 659
 660    pub fn expand_message_editor(
 661        &mut self,
 662        _: &ExpandMessageEditor,
 663        _window: &mut Window,
 664        cx: &mut Context<Self>,
 665    ) {
 666        self.set_editor_is_expanded(!self.editor_expanded, cx);
 667        cx.notify();
 668    }
 669
 670    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 671        self.editor_expanded = is_expanded;
 672        self.message_editor.update(cx, |editor, cx| {
 673            if is_expanded {
 674                editor.set_mode(
 675                    EditorMode::Full {
 676                        scale_ui_elements_with_buffer_font_size: false,
 677                        show_active_line_background: false,
 678                        sized_by_content: false,
 679                    },
 680                    cx,
 681                )
 682            } else {
 683                editor.set_mode(
 684                    EditorMode::AutoHeight {
 685                        min_lines: MIN_EDITOR_LINES,
 686                        max_lines: Some(MAX_EDITOR_LINES),
 687                    },
 688                    cx,
 689                )
 690            }
 691        });
 692        cx.notify();
 693    }
 694
 695    pub fn handle_title_editor_event(
 696        &mut self,
 697        title_editor: &Entity<Editor>,
 698        event: &EditorEvent,
 699        window: &mut Window,
 700        cx: &mut Context<Self>,
 701    ) {
 702        let Some(thread) = self.thread() else { return };
 703
 704        match event {
 705            EditorEvent::BufferEdited => {
 706                let new_title = title_editor.read(cx).text(cx);
 707                thread.update(cx, |thread, cx| {
 708                    thread
 709                        .set_title(new_title.into(), cx)
 710                        .detach_and_log_err(cx);
 711                })
 712            }
 713            EditorEvent::Blurred => {
 714                if title_editor.read(cx).text(cx).is_empty() {
 715                    title_editor.update(cx, |editor, cx| {
 716                        editor.set_text("New Thread", window, cx);
 717                    });
 718                }
 719            }
 720            _ => {}
 721        }
 722    }
 723
 724    pub fn handle_message_editor_event(
 725        &mut self,
 726        _: &Entity<MessageEditor>,
 727        event: &MessageEditorEvent,
 728        window: &mut Window,
 729        cx: &mut Context<Self>,
 730    ) {
 731        match event {
 732            MessageEditorEvent::Send => self.send(window, cx),
 733            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 734            MessageEditorEvent::Focus => {
 735                self.cancel_editing(&Default::default(), window, cx);
 736            }
 737        }
 738    }
 739
 740    pub fn handle_entry_view_event(
 741        &mut self,
 742        _: &Entity<EntryViewState>,
 743        event: &EntryViewEvent,
 744        window: &mut Window,
 745        cx: &mut Context<Self>,
 746    ) {
 747        match &event.view_event {
 748            ViewEvent::NewDiff(tool_call_id) => {
 749                if AgentSettings::get_global(cx).expand_edit_card {
 750                    self.expanded_tool_calls.insert(tool_call_id.clone());
 751                }
 752            }
 753            ViewEvent::NewTerminal(tool_call_id) => {
 754                if AgentSettings::get_global(cx).expand_terminal_card {
 755                    self.expanded_tool_calls.insert(tool_call_id.clone());
 756                }
 757            }
 758            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 759                if let Some(thread) = self.thread()
 760                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 761                        thread.read(cx).entries().get(event.entry_index)
 762                    && user_message.id.is_some()
 763                {
 764                    self.editing_message = Some(event.entry_index);
 765                    cx.notify();
 766                }
 767            }
 768            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 769                self.regenerate(event.entry_index, editor, window, cx);
 770            }
 771            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 772                self.cancel_editing(&Default::default(), window, cx);
 773            }
 774        }
 775    }
 776
 777    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 778        self.thread_error.take();
 779        let Some(thread) = self.thread() else {
 780            return;
 781        };
 782
 783        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 784        cx.spawn(async move |this, cx| {
 785            let result = task.await;
 786
 787            this.update(cx, |this, cx| {
 788                if let Err(err) = result {
 789                    this.handle_thread_error(err, cx);
 790                }
 791            })
 792        })
 793        .detach();
 794    }
 795
 796    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 797        let Some(thread) = self.thread() else { return };
 798        self.history_store.update(cx, |history, cx| {
 799            history.push_recently_opened_entry(
 800                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 801                cx,
 802            );
 803        });
 804
 805        if thread.read(cx).status() != ThreadStatus::Idle {
 806            self.stop_current_and_send_new_message(window, cx);
 807            return;
 808        }
 809
 810        let contents = self
 811            .message_editor
 812            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 813        self.send_impl(contents, window, cx)
 814    }
 815
 816    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 817        let Some(thread) = self.thread().cloned() else {
 818            return;
 819        };
 820
 821        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 822
 823        let contents = self
 824            .message_editor
 825            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 826
 827        cx.spawn_in(window, async move |this, cx| {
 828            cancelled.await;
 829
 830            this.update_in(cx, |this, window, cx| {
 831                this.send_impl(contents, window, cx);
 832            })
 833            .ok();
 834        })
 835        .detach();
 836    }
 837
 838    fn send_impl(
 839        &mut self,
 840        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 841        window: &mut Window,
 842        cx: &mut Context<Self>,
 843    ) {
 844        self.thread_error.take();
 845        self.editing_message.take();
 846        self.thread_feedback.clear();
 847
 848        let Some(thread) = self.thread().cloned() else {
 849            return;
 850        };
 851        let task = cx.spawn_in(window, async move |this, cx| {
 852            let (contents, tracked_buffers) = contents.await?;
 853
 854            if contents.is_empty() {
 855                return Ok(());
 856            }
 857
 858            this.update_in(cx, |this, window, cx| {
 859                this.set_editor_is_expanded(false, cx);
 860                this.scroll_to_bottom(cx);
 861                this.message_editor.update(cx, |message_editor, cx| {
 862                    message_editor.clear(window, cx);
 863                });
 864            })?;
 865            let send = thread.update(cx, |thread, cx| {
 866                thread.action_log().update(cx, |action_log, cx| {
 867                    for buffer in tracked_buffers {
 868                        action_log.buffer_read(buffer, cx)
 869                    }
 870                });
 871                thread.send(contents, cx)
 872            })?;
 873            send.await
 874        });
 875
 876        cx.spawn(async move |this, cx| {
 877            if let Err(err) = task.await {
 878                this.update(cx, |this, cx| {
 879                    this.handle_thread_error(err, cx);
 880                })
 881                .ok();
 882            }
 883        })
 884        .detach();
 885    }
 886
 887    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 888        let Some(thread) = self.thread().cloned() else {
 889            return;
 890        };
 891
 892        if let Some(index) = self.editing_message.take()
 893            && let Some(editor) = self
 894                .entry_view_state
 895                .read(cx)
 896                .entry(index)
 897                .and_then(|e| e.message_editor())
 898                .cloned()
 899        {
 900            editor.update(cx, |editor, cx| {
 901                if let Some(user_message) = thread
 902                    .read(cx)
 903                    .entries()
 904                    .get(index)
 905                    .and_then(|e| e.user_message())
 906                {
 907                    editor.set_message(user_message.chunks.clone(), window, cx);
 908                }
 909            })
 910        };
 911        self.focus_handle(cx).focus(window);
 912        cx.notify();
 913    }
 914
 915    fn regenerate(
 916        &mut self,
 917        entry_ix: usize,
 918        message_editor: &Entity<MessageEditor>,
 919        window: &mut Window,
 920        cx: &mut Context<Self>,
 921    ) {
 922        let Some(thread) = self.thread().cloned() else {
 923            return;
 924        };
 925
 926        let Some(rewind) = thread.update(cx, |thread, cx| {
 927            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 928            Some(thread.rewind(user_message_id, cx))
 929        }) else {
 930            return;
 931        };
 932
 933        let contents =
 934            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 935
 936        let task = cx.foreground_executor().spawn(async move {
 937            rewind.await?;
 938            contents.await
 939        });
 940        self.send_impl(task, window, cx);
 941    }
 942
 943    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 944        if let Some(thread) = self.thread() {
 945            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 946        }
 947    }
 948
 949    fn open_edited_buffer(
 950        &mut self,
 951        buffer: &Entity<Buffer>,
 952        window: &mut Window,
 953        cx: &mut Context<Self>,
 954    ) {
 955        let Some(thread) = self.thread() else {
 956            return;
 957        };
 958
 959        let Some(diff) =
 960            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 961        else {
 962            return;
 963        };
 964
 965        diff.update(cx, |diff, cx| {
 966            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 967        })
 968    }
 969
 970    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 971        let Some(thread) = self.as_native_thread(cx) else {
 972            return;
 973        };
 974        let project_context = thread.read(cx).project_context().read(cx);
 975
 976        let project_entry_ids = project_context
 977            .worktrees
 978            .iter()
 979            .flat_map(|worktree| worktree.rules_file.as_ref())
 980            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
 981            .collect::<Vec<_>>();
 982
 983        self.workspace
 984            .update(cx, move |workspace, cx| {
 985                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
 986                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
 987                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
 988                let project = workspace.project().read(cx);
 989                let project_paths = project_entry_ids
 990                    .into_iter()
 991                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
 992                    .collect::<Vec<_>>();
 993                for project_path in project_paths {
 994                    workspace
 995                        .open_path(project_path, None, true, window, cx)
 996                        .detach_and_log_err(cx);
 997                }
 998            })
 999            .ok();
1000    }
1001
1002    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1003        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1004        cx.notify();
1005    }
1006
1007    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1008        self.thread_error = None;
1009        cx.notify();
1010    }
1011
1012    fn handle_thread_event(
1013        &mut self,
1014        thread: &Entity<AcpThread>,
1015        event: &AcpThreadEvent,
1016        window: &mut Window,
1017        cx: &mut Context<Self>,
1018    ) {
1019        match event {
1020            AcpThreadEvent::NewEntry => {
1021                let len = thread.read(cx).entries().len();
1022                let index = len - 1;
1023                self.entry_view_state.update(cx, |view_state, cx| {
1024                    view_state.sync_entry(index, thread, window, cx)
1025                });
1026                self.list_state.splice(index..index, 1);
1027            }
1028            AcpThreadEvent::EntryUpdated(index) => {
1029                self.entry_view_state.update(cx, |view_state, cx| {
1030                    view_state.sync_entry(*index, thread, window, cx)
1031                });
1032            }
1033            AcpThreadEvent::EntriesRemoved(range) => {
1034                self.entry_view_state
1035                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1036                self.list_state.splice(range.clone(), 0);
1037            }
1038            AcpThreadEvent::ToolAuthorizationRequired => {
1039                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1040            }
1041            AcpThreadEvent::Retry(retry) => {
1042                self.thread_retry_status = Some(retry.clone());
1043            }
1044            AcpThreadEvent::Stopped => {
1045                self.thread_retry_status.take();
1046                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1047                self.notify_with_sound(
1048                    if used_tools {
1049                        "Finished running tools"
1050                    } else {
1051                        "New message"
1052                    },
1053                    IconName::ZedAssistant,
1054                    window,
1055                    cx,
1056                );
1057            }
1058            AcpThreadEvent::Error => {
1059                self.thread_retry_status.take();
1060                self.notify_with_sound(
1061                    "Agent stopped due to an error",
1062                    IconName::Warning,
1063                    window,
1064                    cx,
1065                );
1066            }
1067            AcpThreadEvent::LoadError(error) => {
1068                self.thread_retry_status.take();
1069                self.thread_state = ThreadState::LoadError(error.clone());
1070            }
1071            AcpThreadEvent::TitleUpdated => {
1072                let title = thread.read(cx).title();
1073                if let Some(title_editor) = self.title_editor() {
1074                    title_editor.update(cx, |editor, cx| {
1075                        if editor.text(cx) != title {
1076                            editor.set_text(title, window, cx);
1077                        }
1078                    });
1079                }
1080            }
1081            AcpThreadEvent::TokenUsageUpdated => {}
1082        }
1083        cx.notify();
1084    }
1085
1086    fn authenticate(
1087        &mut self,
1088        method: acp::AuthMethodId,
1089        window: &mut Window,
1090        cx: &mut Context<Self>,
1091    ) {
1092        let ThreadState::Unauthenticated {
1093            connection,
1094            pending_auth_method,
1095            configuration_view,
1096            ..
1097        } = &mut self.thread_state
1098        else {
1099            return;
1100        };
1101
1102        if method.0.as_ref() == "gemini-api-key" {
1103            let registry = LanguageModelRegistry::global(cx);
1104            let provider = registry
1105                .read(cx)
1106                .provider(&language_model::GOOGLE_PROVIDER_ID)
1107                .unwrap();
1108            if !provider.is_authenticated(cx) {
1109                let this = cx.weak_entity();
1110                let agent = self.agent.clone();
1111                let connection = connection.clone();
1112                window.defer(cx, |window, cx| {
1113                    Self::handle_auth_required(
1114                        this,
1115                        AuthRequired {
1116                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1117                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1118                        },
1119                        agent,
1120                        connection,
1121                        window,
1122                        cx,
1123                    );
1124                });
1125                return;
1126            }
1127        } else if method.0.as_ref() == "vertex-ai"
1128            && std::env::var("GOOGLE_API_KEY").is_err()
1129            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1130                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1131        {
1132            let this = cx.weak_entity();
1133            let agent = self.agent.clone();
1134            let connection = connection.clone();
1135
1136            window.defer(cx, |window, cx| {
1137                    Self::handle_auth_required(
1138                        this,
1139                        AuthRequired {
1140                            description: Some(
1141                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1142                                    .to_owned(),
1143                            ),
1144                            provider_id: None,
1145                        },
1146                        agent,
1147                        connection,
1148                        window,
1149                        cx,
1150                    )
1151                });
1152            return;
1153        }
1154
1155        self.thread_error.take();
1156        configuration_view.take();
1157        pending_auth_method.replace(method.clone());
1158        let authenticate = connection.authenticate(method, cx);
1159        cx.notify();
1160        self.auth_task = Some(cx.spawn_in(window, {
1161            let project = self.project.clone();
1162            let agent = self.agent.clone();
1163            async move |this, cx| {
1164                let result = authenticate.await;
1165
1166                this.update_in(cx, |this, window, cx| {
1167                    if let Err(err) = result {
1168                        this.handle_thread_error(err, cx);
1169                    } else {
1170                        this.thread_state = Self::initial_state(
1171                            agent,
1172                            None,
1173                            this.workspace.clone(),
1174                            project.clone(),
1175                            window,
1176                            cx,
1177                        )
1178                    }
1179                    this.auth_task.take()
1180                })
1181                .ok();
1182            }
1183        }));
1184    }
1185
1186    fn authorize_tool_call(
1187        &mut self,
1188        tool_call_id: acp::ToolCallId,
1189        option_id: acp::PermissionOptionId,
1190        option_kind: acp::PermissionOptionKind,
1191        cx: &mut Context<Self>,
1192    ) {
1193        let Some(thread) = self.thread() else {
1194            return;
1195        };
1196        thread.update(cx, |thread, cx| {
1197            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1198        });
1199        cx.notify();
1200    }
1201
1202    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1203        let Some(thread) = self.thread() else {
1204            return;
1205        };
1206        thread
1207            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1208            .detach_and_log_err(cx);
1209        cx.notify();
1210    }
1211
1212    fn render_entry(
1213        &self,
1214        entry_ix: usize,
1215        total_entries: usize,
1216        entry: &AgentThreadEntry,
1217        window: &mut Window,
1218        cx: &Context<Self>,
1219    ) -> AnyElement {
1220        let primary = match &entry {
1221            AgentThreadEntry::UserMessage(message) => {
1222                let Some(editor) = self
1223                    .entry_view_state
1224                    .read(cx)
1225                    .entry(entry_ix)
1226                    .and_then(|entry| entry.message_editor())
1227                    .cloned()
1228                else {
1229                    return Empty.into_any_element();
1230                };
1231
1232                let editing = self.editing_message == Some(entry_ix);
1233                let editor_focus = editor.focus_handle(cx).is_focused(window);
1234                let focus_border = cx.theme().colors().border_focused;
1235
1236                let rules_item = if entry_ix == 0 {
1237                    self.render_rules_item(cx)
1238                } else {
1239                    None
1240                };
1241
1242                v_flex()
1243                    .id(("user_message", entry_ix))
1244                    .pt_2()
1245                    .pb_4()
1246                    .px_2()
1247                    .gap_1p5()
1248                    .w_full()
1249                    .children(rules_item)
1250                    .children(message.id.clone().and_then(|message_id| {
1251                        message.checkpoint.as_ref()?.show.then(|| {
1252                            h_flex()
1253                                .gap_2()
1254                                .child(Divider::horizontal())
1255                                .child(
1256                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1257                                        .icon(IconName::Undo)
1258                                        .icon_size(IconSize::XSmall)
1259                                        .icon_position(IconPosition::Start)
1260                                        .label_size(LabelSize::XSmall)
1261                                        .icon_color(Color::Muted)
1262                                        .color(Color::Muted)
1263                                        .on_click(cx.listener(move |this, _, _window, cx| {
1264                                            this.rewind(&message_id, cx);
1265                                        }))
1266                                )
1267                                .child(Divider::horizontal())
1268                        })
1269                    }))
1270                    .child(
1271                        div()
1272                            .relative()
1273                            .child(
1274                                div()
1275                                    .py_3()
1276                                    .px_2()
1277                                    .rounded_md()
1278                                    .shadow_md()
1279                                    .bg(cx.theme().colors().editor_background)
1280                                    .border_1()
1281                                    .when(editing && !editor_focus, |this| this.border_dashed())
1282                                    .border_color(cx.theme().colors().border)
1283                                    .map(|this|{
1284                                        if editing && editor_focus {
1285                                            this.border_color(focus_border)
1286                                        } else if message.id.is_some() {
1287                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1288                                        } else {
1289                                            this
1290                                        }
1291                                    })
1292                                    .text_xs()
1293                                    .child(editor.clone().into_any_element()),
1294                            )
1295                            .when(editing && editor_focus, |this|
1296                                this.child(
1297                                    h_flex()
1298                                        .absolute()
1299                                        .top_neg_3p5()
1300                                        .right_3()
1301                                        .gap_1()
1302                                        .rounded_sm()
1303                                        .border_1()
1304                                        .border_color(cx.theme().colors().border)
1305                                        .bg(cx.theme().colors().editor_background)
1306                                        .overflow_hidden()
1307                                        .child(
1308                                            IconButton::new("cancel", IconName::Close)
1309                                                .icon_color(Color::Error)
1310                                                .icon_size(IconSize::XSmall)
1311                                                .on_click(cx.listener(Self::cancel_editing))
1312                                        )
1313                                        .child(
1314                                            IconButton::new("regenerate", IconName::Return)
1315                                                .icon_color(Color::Muted)
1316                                                .icon_size(IconSize::XSmall)
1317                                                .tooltip(Tooltip::text(
1318                                                    "Editing will restart the thread from this point."
1319                                                ))
1320                                                .on_click(cx.listener({
1321                                                    let editor = editor.clone();
1322                                                    move |this, _, window, cx| {
1323                                                        this.regenerate(
1324                                                            entry_ix, &editor, window, cx,
1325                                                        );
1326                                                    }
1327                                                })),
1328                                        )
1329                                )
1330                            ),
1331                    )
1332                    .into_any()
1333            }
1334            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1335                let style = default_markdown_style(false, false, window, cx);
1336                let message_body = v_flex()
1337                    .w_full()
1338                    .gap_2p5()
1339                    .children(chunks.iter().enumerate().filter_map(
1340                        |(chunk_ix, chunk)| match chunk {
1341                            AssistantMessageChunk::Message { block } => {
1342                                block.markdown().map(|md| {
1343                                    self.render_markdown(md.clone(), style.clone())
1344                                        .into_any_element()
1345                                })
1346                            }
1347                            AssistantMessageChunk::Thought { block } => {
1348                                block.markdown().map(|md| {
1349                                    self.render_thinking_block(
1350                                        entry_ix,
1351                                        chunk_ix,
1352                                        md.clone(),
1353                                        window,
1354                                        cx,
1355                                    )
1356                                    .into_any_element()
1357                                })
1358                            }
1359                        },
1360                    ))
1361                    .into_any();
1362
1363                v_flex()
1364                    .px_5()
1365                    .py_1()
1366                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1367                    .w_full()
1368                    .text_ui(cx)
1369                    .child(message_body)
1370                    .into_any()
1371            }
1372            AgentThreadEntry::ToolCall(tool_call) => {
1373                let has_terminals = tool_call.terminals().next().is_some();
1374
1375                div().w_full().py_1p5().px_5().map(|this| {
1376                    if has_terminals {
1377                        this.children(tool_call.terminals().map(|terminal| {
1378                            self.render_terminal_tool_call(
1379                                entry_ix, terminal, tool_call, window, cx,
1380                            )
1381                        }))
1382                    } else {
1383                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1384                    }
1385                })
1386            }
1387            .into_any(),
1388        };
1389
1390        let Some(thread) = self.thread() else {
1391            return primary;
1392        };
1393
1394        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1395        let primary = if entry_ix == total_entries - 1 && !is_generating {
1396            v_flex()
1397                .w_full()
1398                .child(primary)
1399                .child(self.render_thread_controls(cx))
1400                .when_some(
1401                    self.thread_feedback.comments_editor.clone(),
1402                    |this, editor| {
1403                        this.child(Self::render_feedback_feedback_editor(editor, window, cx))
1404                    },
1405                )
1406                .into_any_element()
1407        } else {
1408            primary
1409        };
1410
1411        if let Some(editing_index) = self.editing_message.as_ref()
1412            && *editing_index < entry_ix
1413        {
1414            let backdrop = div()
1415                .id(("backdrop", entry_ix))
1416                .size_full()
1417                .absolute()
1418                .inset_0()
1419                .bg(cx.theme().colors().panel_background)
1420                .opacity(0.8)
1421                .block_mouse_except_scroll()
1422                .on_click(cx.listener(Self::cancel_editing));
1423
1424            div()
1425                .relative()
1426                .child(primary)
1427                .child(backdrop)
1428                .into_any_element()
1429        } else {
1430            primary
1431        }
1432    }
1433
1434    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1435        cx.theme()
1436            .colors()
1437            .element_background
1438            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1439    }
1440
1441    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1442        cx.theme().colors().border.opacity(0.8)
1443    }
1444
1445    fn tool_name_font_size(&self) -> Rems {
1446        rems_from_px(13.)
1447    }
1448
1449    fn render_thinking_block(
1450        &self,
1451        entry_ix: usize,
1452        chunk_ix: usize,
1453        chunk: Entity<Markdown>,
1454        window: &Window,
1455        cx: &Context<Self>,
1456    ) -> AnyElement {
1457        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1458        let card_header_id = SharedString::from("inner-card-header");
1459        let key = (entry_ix, chunk_ix);
1460        let is_open = self.expanded_thinking_blocks.contains(&key);
1461
1462        v_flex()
1463            .child(
1464                h_flex()
1465                    .id(header_id)
1466                    .group(&card_header_id)
1467                    .relative()
1468                    .w_full()
1469                    .gap_1p5()
1470                    .child(
1471                        h_flex()
1472                            .size_4()
1473                            .justify_center()
1474                            .child(
1475                                div()
1476                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1477                                    .child(
1478                                        Icon::new(IconName::ToolThink)
1479                                            .size(IconSize::Small)
1480                                            .color(Color::Muted),
1481                                    ),
1482                            )
1483                            .child(
1484                                h_flex()
1485                                    .absolute()
1486                                    .inset_0()
1487                                    .invisible()
1488                                    .justify_center()
1489                                    .group_hover(&card_header_id, |s| s.visible())
1490                                    .child(
1491                                        Disclosure::new(("expand", entry_ix), is_open)
1492                                            .opened_icon(IconName::ChevronUp)
1493                                            .closed_icon(IconName::ChevronRight)
1494                                            .on_click(cx.listener({
1495                                                move |this, _event, _window, cx| {
1496                                                    if is_open {
1497                                                        this.expanded_thinking_blocks.remove(&key);
1498                                                    } else {
1499                                                        this.expanded_thinking_blocks.insert(key);
1500                                                    }
1501                                                    cx.notify();
1502                                                }
1503                                            })),
1504                                    ),
1505                            ),
1506                    )
1507                    .child(
1508                        div()
1509                            .text_size(self.tool_name_font_size())
1510                            .text_color(cx.theme().colors().text_muted)
1511                            .child("Thinking"),
1512                    )
1513                    .on_click(cx.listener({
1514                        move |this, _event, _window, cx| {
1515                            if is_open {
1516                                this.expanded_thinking_blocks.remove(&key);
1517                            } else {
1518                                this.expanded_thinking_blocks.insert(key);
1519                            }
1520                            cx.notify();
1521                        }
1522                    })),
1523            )
1524            .when(is_open, |this| {
1525                this.child(
1526                    div()
1527                        .relative()
1528                        .mt_1p5()
1529                        .ml(px(7.))
1530                        .pl_4()
1531                        .border_l_1()
1532                        .border_color(self.tool_card_border_color(cx))
1533                        .text_ui_sm(cx)
1534                        .child(self.render_markdown(
1535                            chunk,
1536                            default_markdown_style(false, false, window, cx),
1537                        )),
1538                )
1539            })
1540            .into_any_element()
1541    }
1542
1543    fn render_tool_call_icon(
1544        &self,
1545        group_name: SharedString,
1546        entry_ix: usize,
1547        is_collapsible: bool,
1548        is_open: bool,
1549        tool_call: &ToolCall,
1550        cx: &Context<Self>,
1551    ) -> Div {
1552        let tool_icon =
1553            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1554                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1555                    .map(Icon::from_path)
1556                    .unwrap_or(Icon::new(IconName::ToolPencil))
1557            } else {
1558                Icon::new(match tool_call.kind {
1559                    acp::ToolKind::Read => IconName::ToolRead,
1560                    acp::ToolKind::Edit => IconName::ToolPencil,
1561                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1562                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1563                    acp::ToolKind::Search => IconName::ToolSearch,
1564                    acp::ToolKind::Execute => IconName::ToolTerminal,
1565                    acp::ToolKind::Think => IconName::ToolThink,
1566                    acp::ToolKind::Fetch => IconName::ToolWeb,
1567                    acp::ToolKind::Other => IconName::ToolHammer,
1568                })
1569            }
1570            .size(IconSize::Small)
1571            .color(Color::Muted);
1572
1573        let base_container = h_flex().size_4().justify_center();
1574
1575        if is_collapsible {
1576            base_container
1577                .child(
1578                    div()
1579                        .group_hover(&group_name, |s| s.invisible().w_0())
1580                        .child(tool_icon),
1581                )
1582                .child(
1583                    h_flex()
1584                        .absolute()
1585                        .inset_0()
1586                        .invisible()
1587                        .justify_center()
1588                        .group_hover(&group_name, |s| s.visible())
1589                        .child(
1590                            Disclosure::new(("expand", entry_ix), is_open)
1591                                .opened_icon(IconName::ChevronUp)
1592                                .closed_icon(IconName::ChevronRight)
1593                                .on_click(cx.listener({
1594                                    let id = tool_call.id.clone();
1595                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1596                                        if is_open {
1597                                            this.expanded_tool_calls.remove(&id);
1598                                        } else {
1599                                            this.expanded_tool_calls.insert(id.clone());
1600                                        }
1601                                        cx.notify();
1602                                    }
1603                                })),
1604                        ),
1605                )
1606        } else {
1607            base_container.child(tool_icon)
1608        }
1609    }
1610
1611    fn render_tool_call(
1612        &self,
1613        entry_ix: usize,
1614        tool_call: &ToolCall,
1615        window: &Window,
1616        cx: &Context<Self>,
1617    ) -> Div {
1618        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1619        let card_header_id = SharedString::from("inner-tool-call-header");
1620
1621        let status_icon = match &tool_call.status {
1622            ToolCallStatus::Pending
1623            | ToolCallStatus::WaitingForConfirmation { .. }
1624            | ToolCallStatus::Completed => None,
1625            ToolCallStatus::InProgress => Some(
1626                Icon::new(IconName::ArrowCircle)
1627                    .color(Color::Muted)
1628                    .size(IconSize::Small)
1629                    .with_animation(
1630                        "running",
1631                        Animation::new(Duration::from_secs(3)).repeat(),
1632                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1633                    )
1634                    .into_any(),
1635            ),
1636            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1637                Icon::new(IconName::Close)
1638                    .color(Color::Error)
1639                    .size(IconSize::Small)
1640                    .into_any_element(),
1641            ),
1642        };
1643
1644        let failed_tool_call = matches!(
1645            tool_call.status,
1646            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1647        );
1648        let needs_confirmation = matches!(
1649            tool_call.status,
1650            ToolCallStatus::WaitingForConfirmation { .. }
1651        );
1652        let is_edit =
1653            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1654        let use_card_layout = needs_confirmation || is_edit;
1655
1656        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
1657
1658        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
1659
1660        let gradient_overlay = |color: Hsla| {
1661            div()
1662                .absolute()
1663                .top_0()
1664                .right_0()
1665                .w_12()
1666                .h_full()
1667                .bg(linear_gradient(
1668                    90.,
1669                    linear_color_stop(color, 1.),
1670                    linear_color_stop(color.opacity(0.2), 0.),
1671                ))
1672        };
1673        let gradient_color = if use_card_layout {
1674            self.tool_card_header_bg(cx)
1675        } else {
1676            cx.theme().colors().panel_background
1677        };
1678
1679        let tool_output_display = if is_open {
1680            match &tool_call.status {
1681                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1682                    v_flex()
1683                        .w_full()
1684                        .children(tool_call.content.iter().map(|content| {
1685                            div()
1686                                .child(self.render_tool_call_content(
1687                                    entry_ix, content, tool_call, window, cx,
1688                                ))
1689                                .into_any_element()
1690                        }))
1691                        .child(self.render_permission_buttons(
1692                            options,
1693                            entry_ix,
1694                            tool_call.id.clone(),
1695                            tool_call.content.is_empty(),
1696                            cx,
1697                        ))
1698                        .into_any()
1699                }
1700                ToolCallStatus::Pending | ToolCallStatus::InProgress
1701                    if is_edit
1702                        && tool_call.content.is_empty()
1703                        && self.as_native_connection(cx).is_some() =>
1704                {
1705                    self.render_diff_loading(cx).into_any()
1706                }
1707                ToolCallStatus::Pending
1708                | ToolCallStatus::InProgress
1709                | ToolCallStatus::Completed
1710                | ToolCallStatus::Failed
1711                | ToolCallStatus::Canceled => v_flex()
1712                    .w_full()
1713                    .children(tool_call.content.iter().map(|content| {
1714                        div().child(
1715                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1716                        )
1717                    }))
1718                    .into_any(),
1719                ToolCallStatus::Rejected => Empty.into_any(),
1720            }
1721            .into()
1722        } else {
1723            None
1724        };
1725
1726        v_flex()
1727            .when(use_card_layout, |this| {
1728                this.rounded_md()
1729                    .border_1()
1730                    .border_color(self.tool_card_border_color(cx))
1731                    .bg(cx.theme().colors().editor_background)
1732                    .overflow_hidden()
1733            })
1734            .child(
1735                h_flex()
1736                    .id(header_id)
1737                    .w_full()
1738                    .gap_1()
1739                    .justify_between()
1740                    .when(use_card_layout, |this| {
1741                        this.pl_2()
1742                            .pr_1p5()
1743                            .py_1()
1744                            .rounded_t_md()
1745                            .when(is_open && !failed_tool_call, |this| {
1746                                this.border_b_1()
1747                                    .border_color(self.tool_card_border_color(cx))
1748                            })
1749                            .bg(self.tool_card_header_bg(cx))
1750                    })
1751                    .child(
1752                        h_flex()
1753                            .group(&card_header_id)
1754                            .relative()
1755                            .w_full()
1756                            .min_h_6()
1757                            .text_size(self.tool_name_font_size())
1758                            .child(self.render_tool_call_icon(
1759                                card_header_id,
1760                                entry_ix,
1761                                is_collapsible,
1762                                is_open,
1763                                tool_call,
1764                                cx,
1765                            ))
1766                            .child(if tool_call.locations.len() == 1 {
1767                                let name = tool_call.locations[0]
1768                                    .path
1769                                    .file_name()
1770                                    .unwrap_or_default()
1771                                    .display()
1772                                    .to_string();
1773
1774                                h_flex()
1775                                    .id(("open-tool-call-location", entry_ix))
1776                                    .w_full()
1777                                    .max_w_full()
1778                                    .px_1p5()
1779                                    .rounded_sm()
1780                                    .overflow_x_scroll()
1781                                    .hover(|label| {
1782                                        label.bg(cx.theme().colors().element_hover.opacity(0.5))
1783                                    })
1784                                    .map(|this| {
1785                                        if use_card_layout {
1786                                            this.text_color(cx.theme().colors().text)
1787                                        } else {
1788                                            this.text_color(cx.theme().colors().text_muted)
1789                                        }
1790                                    })
1791                                    .child(name)
1792                                    .tooltip(Tooltip::text("Jump to File"))
1793                                    .on_click(cx.listener(move |this, _, window, cx| {
1794                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1795                                    }))
1796                                    .into_any_element()
1797                            } else {
1798                                h_flex()
1799                                    .id("non-card-label-container")
1800                                    .w_full()
1801                                    .relative()
1802                                    .ml_1p5()
1803                                    .overflow_hidden()
1804                                    .child(
1805                                        h_flex()
1806                                            .id("non-card-label")
1807                                            .pr_8()
1808                                            .w_full()
1809                                            .overflow_x_scroll()
1810                                            .child(self.render_markdown(
1811                                                tool_call.label.clone(),
1812                                                default_markdown_style(false, true, window, cx),
1813                                            )),
1814                                    )
1815                                    .child(gradient_overlay(gradient_color))
1816                                    .on_click(cx.listener({
1817                                        let id = tool_call.id.clone();
1818                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1819                                            if is_open {
1820                                                this.expanded_tool_calls.remove(&id);
1821                                            } else {
1822                                                this.expanded_tool_calls.insert(id.clone());
1823                                            }
1824                                            cx.notify();
1825                                        }
1826                                    }))
1827                                    .into_any()
1828                            }),
1829                    )
1830                    .children(status_icon),
1831            )
1832            .children(tool_output_display)
1833    }
1834
1835    fn render_tool_call_content(
1836        &self,
1837        entry_ix: usize,
1838        content: &ToolCallContent,
1839        tool_call: &ToolCall,
1840        window: &Window,
1841        cx: &Context<Self>,
1842    ) -> AnyElement {
1843        match content {
1844            ToolCallContent::ContentBlock(content) => {
1845                if let Some(resource_link) = content.resource_link() {
1846                    self.render_resource_link(resource_link, cx)
1847                } else if let Some(markdown) = content.markdown() {
1848                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1849                } else {
1850                    Empty.into_any_element()
1851                }
1852            }
1853            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1854            ToolCallContent::Terminal(terminal) => {
1855                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1856            }
1857        }
1858    }
1859
1860    fn render_markdown_output(
1861        &self,
1862        markdown: Entity<Markdown>,
1863        tool_call_id: acp::ToolCallId,
1864        window: &Window,
1865        cx: &Context<Self>,
1866    ) -> AnyElement {
1867        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1868
1869        v_flex()
1870            .mt_1p5()
1871            .ml(px(7.))
1872            .px_3p5()
1873            .gap_2()
1874            .border_l_1()
1875            .border_color(self.tool_card_border_color(cx))
1876            .text_sm()
1877            .text_color(cx.theme().colors().text_muted)
1878            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
1879            .child(
1880                Button::new(button_id, "Collapse")
1881                    .full_width()
1882                    .style(ButtonStyle::Outlined)
1883                    .label_size(LabelSize::Small)
1884                    .icon(IconName::ChevronUp)
1885                    .icon_color(Color::Muted)
1886                    .icon_position(IconPosition::Start)
1887                    .on_click(cx.listener({
1888                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1889                            this.expanded_tool_calls.remove(&tool_call_id);
1890                            cx.notify();
1891                        }
1892                    })),
1893            )
1894            .into_any_element()
1895    }
1896
1897    fn render_resource_link(
1898        &self,
1899        resource_link: &acp::ResourceLink,
1900        cx: &Context<Self>,
1901    ) -> AnyElement {
1902        let uri: SharedString = resource_link.uri.clone().into();
1903
1904        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1905            path.to_string().into()
1906        } else {
1907            uri.clone()
1908        };
1909
1910        let button_id = SharedString::from(format!("item-{}", uri));
1911
1912        div()
1913            .ml(px(7.))
1914            .pl_2p5()
1915            .border_l_1()
1916            .border_color(self.tool_card_border_color(cx))
1917            .overflow_hidden()
1918            .child(
1919                Button::new(button_id, label)
1920                    .label_size(LabelSize::Small)
1921                    .color(Color::Muted)
1922                    .icon(IconName::ArrowUpRight)
1923                    .icon_size(IconSize::XSmall)
1924                    .icon_color(Color::Muted)
1925                    .truncate(true)
1926                    .on_click(cx.listener({
1927                        let workspace = self.workspace.clone();
1928                        move |_, _, window, cx: &mut Context<Self>| {
1929                            Self::open_link(uri.clone(), &workspace, window, cx);
1930                        }
1931                    })),
1932            )
1933            .into_any_element()
1934    }
1935
1936    fn render_permission_buttons(
1937        &self,
1938        options: &[acp::PermissionOption],
1939        entry_ix: usize,
1940        tool_call_id: acp::ToolCallId,
1941        empty_content: bool,
1942        cx: &Context<Self>,
1943    ) -> Div {
1944        h_flex()
1945            .py_1()
1946            .pl_2()
1947            .pr_1()
1948            .gap_1()
1949            .justify_between()
1950            .flex_wrap()
1951            .when(!empty_content, |this| {
1952                this.border_t_1()
1953                    .border_color(self.tool_card_border_color(cx))
1954            })
1955            .child(
1956                div()
1957                    .min_w(rems_from_px(145.))
1958                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1959            )
1960            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1961                let option_id = SharedString::from(option.id.0.clone());
1962                Button::new((option_id, entry_ix), option.name.clone())
1963                    .map(|this| match option.kind {
1964                        acp::PermissionOptionKind::AllowOnce => {
1965                            this.icon(IconName::Check).icon_color(Color::Success)
1966                        }
1967                        acp::PermissionOptionKind::AllowAlways => {
1968                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1969                        }
1970                        acp::PermissionOptionKind::RejectOnce => {
1971                            this.icon(IconName::Close).icon_color(Color::Error)
1972                        }
1973                        acp::PermissionOptionKind::RejectAlways => {
1974                            this.icon(IconName::Close).icon_color(Color::Error)
1975                        }
1976                    })
1977                    .icon_position(IconPosition::Start)
1978                    .icon_size(IconSize::XSmall)
1979                    .label_size(LabelSize::Small)
1980                    .on_click(cx.listener({
1981                        let tool_call_id = tool_call_id.clone();
1982                        let option_id = option.id.clone();
1983                        let option_kind = option.kind;
1984                        move |this, _, _, cx| {
1985                            this.authorize_tool_call(
1986                                tool_call_id.clone(),
1987                                option_id.clone(),
1988                                option_kind,
1989                                cx,
1990                            );
1991                        }
1992                    }))
1993            })))
1994    }
1995
1996    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
1997        let bar = |n: u64, width_class: &str| {
1998            let bg_color = cx.theme().colors().element_active;
1999            let base = h_flex().h_1().rounded_full();
2000
2001            let modified = match width_class {
2002                "w_4_5" => base.w_3_4(),
2003                "w_1_4" => base.w_1_4(),
2004                "w_2_4" => base.w_2_4(),
2005                "w_3_5" => base.w_3_5(),
2006                "w_2_5" => base.w_2_5(),
2007                _ => base.w_1_2(),
2008            };
2009
2010            modified.with_animation(
2011                ElementId::Integer(n),
2012                Animation::new(Duration::from_secs(2)).repeat(),
2013                move |tab, delta| {
2014                    let delta = (delta - 0.15 * n as f32) / 0.7;
2015                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2016                    let delta = ease_in_out(delta.clamp(0., 1.));
2017                    let delta = 0.1 + 0.9 * delta;
2018
2019                    tab.bg(bg_color.opacity(delta))
2020                },
2021            )
2022        };
2023
2024        v_flex()
2025            .p_3()
2026            .gap_1()
2027            .rounded_b_md()
2028            .bg(cx.theme().colors().editor_background)
2029            .child(bar(0, "w_4_5"))
2030            .child(bar(1, "w_1_4"))
2031            .child(bar(2, "w_2_4"))
2032            .child(bar(3, "w_3_5"))
2033            .child(bar(4, "w_2_5"))
2034            .into_any_element()
2035    }
2036
2037    fn render_diff_editor(
2038        &self,
2039        entry_ix: usize,
2040        diff: &Entity<acp_thread::Diff>,
2041        tool_call: &ToolCall,
2042        cx: &Context<Self>,
2043    ) -> AnyElement {
2044        let tool_progress = matches!(
2045            &tool_call.status,
2046            ToolCallStatus::InProgress | ToolCallStatus::Pending
2047        );
2048
2049        v_flex()
2050            .h_full()
2051            .child(
2052                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2053                    && let Some(editor) = entry.editor_for_diff(diff)
2054                    && diff.read(cx).has_revealed_range(cx)
2055                {
2056                    editor.into_any_element()
2057                } else if tool_progress && self.as_native_connection(cx).is_some() {
2058                    self.render_diff_loading(cx)
2059                } else {
2060                    Empty.into_any()
2061                },
2062            )
2063            .into_any()
2064    }
2065
2066    fn render_terminal_tool_call(
2067        &self,
2068        entry_ix: usize,
2069        terminal: &Entity<acp_thread::Terminal>,
2070        tool_call: &ToolCall,
2071        window: &Window,
2072        cx: &Context<Self>,
2073    ) -> AnyElement {
2074        let terminal_data = terminal.read(cx);
2075        let working_dir = terminal_data.working_dir();
2076        let command = terminal_data.command();
2077        let started_at = terminal_data.started_at();
2078
2079        let tool_failed = matches!(
2080            &tool_call.status,
2081            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2082        );
2083
2084        let output = terminal_data.output();
2085        let command_finished = output.is_some();
2086        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
2087        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2088
2089        let command_failed = command_finished
2090            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2091
2092        let time_elapsed = if let Some(output) = output {
2093            output.ended_at.duration_since(started_at)
2094        } else {
2095            started_at.elapsed()
2096        };
2097
2098        let header_bg = cx
2099            .theme()
2100            .colors()
2101            .element_background
2102            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2103        let border_color = cx.theme().colors().border.opacity(0.6);
2104
2105        let working_dir = working_dir
2106            .as_ref()
2107            .map(|path| format!("{}", path.display()))
2108            .unwrap_or_else(|| "current directory".to_string());
2109
2110        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2111
2112        let header = h_flex()
2113            .id(SharedString::from(format!(
2114                "terminal-tool-header-{}",
2115                terminal.entity_id()
2116            )))
2117            .flex_none()
2118            .gap_1()
2119            .justify_between()
2120            .rounded_t_md()
2121            .child(
2122                div()
2123                    .id(("command-target-path", terminal.entity_id()))
2124                    .w_full()
2125                    .max_w_full()
2126                    .overflow_x_scroll()
2127                    .child(
2128                        Label::new(working_dir)
2129                            .buffer_font(cx)
2130                            .size(LabelSize::XSmall)
2131                            .color(Color::Muted),
2132                    ),
2133            )
2134            .when(!command_finished, |header| {
2135                header
2136                    .gap_1p5()
2137                    .child(
2138                        Button::new(
2139                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2140                            "Stop",
2141                        )
2142                        .icon(IconName::Stop)
2143                        .icon_position(IconPosition::Start)
2144                        .icon_size(IconSize::Small)
2145                        .icon_color(Color::Error)
2146                        .label_size(LabelSize::Small)
2147                        .tooltip(move |window, cx| {
2148                            Tooltip::with_meta(
2149                                "Stop This Command",
2150                                None,
2151                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2152                                window,
2153                                cx,
2154                            )
2155                        })
2156                        .on_click({
2157                            let terminal = terminal.clone();
2158                            cx.listener(move |_this, _event, _window, cx| {
2159                                let inner_terminal = terminal.read(cx).inner().clone();
2160                                inner_terminal.update(cx, |inner_terminal, _cx| {
2161                                    inner_terminal.kill_active_task();
2162                                });
2163                            })
2164                        }),
2165                    )
2166                    .child(Divider::vertical())
2167                    .child(
2168                        Icon::new(IconName::ArrowCircle)
2169                            .size(IconSize::XSmall)
2170                            .color(Color::Info)
2171                            .with_animation(
2172                                "arrow-circle",
2173                                Animation::new(Duration::from_secs(2)).repeat(),
2174                                |icon, delta| {
2175                                    icon.transform(Transformation::rotate(percentage(delta)))
2176                                },
2177                            ),
2178                    )
2179            })
2180            .when(tool_failed || command_failed, |header| {
2181                header.child(
2182                    div()
2183                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2184                        .child(
2185                            Icon::new(IconName::Close)
2186                                .size(IconSize::Small)
2187                                .color(Color::Error),
2188                        )
2189                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2190                            this.tooltip(Tooltip::text(format!(
2191                                "Exited with code {}",
2192                                status.code().unwrap_or(-1),
2193                            )))
2194                        }),
2195                )
2196            })
2197            .when(truncated_output, |header| {
2198                let tooltip = if let Some(output) = output {
2199                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2200                        "Output exceeded terminal max lines and was \
2201                            truncated, the model received the first 16 KB."
2202                            .to_string()
2203                    } else {
2204                        format!(
2205                            "Output is {} long, and to avoid unexpected token usage, \
2206                                only 16 KB was sent back to the model.",
2207                            format_file_size(output.original_content_len as u64, true),
2208                        )
2209                    }
2210                } else {
2211                    "Output was truncated".to_string()
2212                };
2213
2214                header.child(
2215                    h_flex()
2216                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2217                        .gap_1()
2218                        .child(
2219                            Icon::new(IconName::Info)
2220                                .size(IconSize::XSmall)
2221                                .color(Color::Ignored),
2222                        )
2223                        .child(
2224                            Label::new("Truncated")
2225                                .color(Color::Muted)
2226                                .size(LabelSize::XSmall),
2227                        )
2228                        .tooltip(Tooltip::text(tooltip)),
2229                )
2230            })
2231            .when(time_elapsed > Duration::from_secs(10), |header| {
2232                header.child(
2233                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2234                        .buffer_font(cx)
2235                        .color(Color::Muted)
2236                        .size(LabelSize::XSmall),
2237                )
2238            })
2239            .child(
2240                Disclosure::new(
2241                    SharedString::from(format!(
2242                        "terminal-tool-disclosure-{}",
2243                        terminal.entity_id()
2244                    )),
2245                    is_expanded,
2246                )
2247                .opened_icon(IconName::ChevronUp)
2248                .closed_icon(IconName::ChevronDown)
2249                .on_click(cx.listener({
2250                    let id = tool_call.id.clone();
2251                    move |this, _event, _window, _cx| {
2252                        if is_expanded {
2253                            this.expanded_tool_calls.remove(&id);
2254                        } else {
2255                            this.expanded_tool_calls.insert(id.clone());
2256                        }
2257                    }
2258                })),
2259            );
2260
2261        let terminal_view = self
2262            .entry_view_state
2263            .read(cx)
2264            .entry(entry_ix)
2265            .and_then(|entry| entry.terminal(terminal));
2266        let show_output = is_expanded && terminal_view.is_some();
2267
2268        v_flex()
2269            .mb_2()
2270            .border_1()
2271            .when(tool_failed || command_failed, |card| card.border_dashed())
2272            .border_color(border_color)
2273            .rounded_md()
2274            .overflow_hidden()
2275            .child(
2276                v_flex()
2277                    .py_1p5()
2278                    .pl_2()
2279                    .pr_1p5()
2280                    .gap_0p5()
2281                    .bg(header_bg)
2282                    .text_xs()
2283                    .child(header)
2284                    .child(
2285                        MarkdownElement::new(
2286                            command.clone(),
2287                            terminal_command_markdown_style(window, cx),
2288                        )
2289                        .code_block_renderer(
2290                            markdown::CodeBlockRenderer::Default {
2291                                copy_button: false,
2292                                copy_button_on_hover: true,
2293                                border: false,
2294                            },
2295                        ),
2296                    ),
2297            )
2298            .when(show_output, |this| {
2299                this.child(
2300                    div()
2301                        .pt_2()
2302                        .border_t_1()
2303                        .when(tool_failed || command_failed, |card| card.border_dashed())
2304                        .border_color(border_color)
2305                        .bg(cx.theme().colors().editor_background)
2306                        .rounded_b_md()
2307                        .text_ui_sm(cx)
2308                        .children(terminal_view.clone()),
2309                )
2310            })
2311            .into_any()
2312    }
2313
2314    fn render_agent_logo(&self) -> AnyElement {
2315        Icon::new(self.agent.logo())
2316            .color(Color::Muted)
2317            .size(IconSize::XLarge)
2318            .into_any_element()
2319    }
2320
2321    fn render_error_agent_logo(&self) -> AnyElement {
2322        let logo = Icon::new(self.agent.logo())
2323            .color(Color::Muted)
2324            .size(IconSize::XLarge)
2325            .into_any_element();
2326
2327        h_flex()
2328            .relative()
2329            .justify_center()
2330            .child(div().opacity(0.3).child(logo))
2331            .child(
2332                h_flex()
2333                    .absolute()
2334                    .right_1()
2335                    .bottom_0()
2336                    .child(Icon::new(IconName::XCircleFilled).color(Color::Error)),
2337            )
2338            .into_any_element()
2339    }
2340
2341    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2342        let project_context = self
2343            .as_native_thread(cx)?
2344            .read(cx)
2345            .project_context()
2346            .read(cx);
2347
2348        let user_rules_text = if project_context.user_rules.is_empty() {
2349            None
2350        } else if project_context.user_rules.len() == 1 {
2351            let user_rules = &project_context.user_rules[0];
2352
2353            match user_rules.title.as_ref() {
2354                Some(title) => Some(format!("Using \"{title}\" user rule")),
2355                None => Some("Using user rule".into()),
2356            }
2357        } else {
2358            Some(format!(
2359                "Using {} user rules",
2360                project_context.user_rules.len()
2361            ))
2362        };
2363
2364        let first_user_rules_id = project_context
2365            .user_rules
2366            .first()
2367            .map(|user_rules| user_rules.uuid.0);
2368
2369        let rules_files = project_context
2370            .worktrees
2371            .iter()
2372            .filter_map(|worktree| worktree.rules_file.as_ref())
2373            .collect::<Vec<_>>();
2374
2375        let rules_file_text = match rules_files.as_slice() {
2376            &[] => None,
2377            &[rules_file] => Some(format!(
2378                "Using project {:?} file",
2379                rules_file.path_in_worktree
2380            )),
2381            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2382        };
2383
2384        if user_rules_text.is_none() && rules_file_text.is_none() {
2385            return None;
2386        }
2387
2388        Some(
2389            v_flex()
2390                .px_2p5()
2391                .gap_1()
2392                .when_some(user_rules_text, |parent, user_rules_text| {
2393                    parent.child(
2394                        h_flex()
2395                            .group("user-rules")
2396                            .id("user-rules")
2397                            .w_full()
2398                            .child(
2399                                Icon::new(IconName::Reader)
2400                                    .size(IconSize::XSmall)
2401                                    .color(Color::Disabled),
2402                            )
2403                            .child(
2404                                Label::new(user_rules_text)
2405                                    .size(LabelSize::XSmall)
2406                                    .color(Color::Muted)
2407                                    .truncate()
2408                                    .buffer_font(cx)
2409                                    .ml_1p5()
2410                                    .mr_0p5(),
2411                            )
2412                            .child(
2413                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2414                                    .shape(ui::IconButtonShape::Square)
2415                                    .icon_size(IconSize::XSmall)
2416                                    .icon_color(Color::Ignored)
2417                                    .visible_on_hover("user-rules")
2418                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2419                                    .tooltip(Tooltip::text("View User Rules")),
2420                            )
2421                            .on_click(move |_event, window, cx| {
2422                                window.dispatch_action(
2423                                    Box::new(OpenRulesLibrary {
2424                                        prompt_to_select: first_user_rules_id,
2425                                    }),
2426                                    cx,
2427                                )
2428                            }),
2429                    )
2430                })
2431                .when_some(rules_file_text, |parent, rules_file_text| {
2432                    parent.child(
2433                        h_flex()
2434                            .group("project-rules")
2435                            .id("project-rules")
2436                            .w_full()
2437                            .child(
2438                                Icon::new(IconName::Reader)
2439                                    .size(IconSize::XSmall)
2440                                    .color(Color::Disabled),
2441                            )
2442                            .child(
2443                                Label::new(rules_file_text)
2444                                    .size(LabelSize::XSmall)
2445                                    .color(Color::Muted)
2446                                    .buffer_font(cx)
2447                                    .ml_1p5()
2448                                    .mr_0p5(),
2449                            )
2450                            .child(
2451                                IconButton::new("open-rule", IconName::ArrowUpRight)
2452                                    .shape(ui::IconButtonShape::Square)
2453                                    .icon_size(IconSize::XSmall)
2454                                    .icon_color(Color::Ignored)
2455                                    .visible_on_hover("project-rules")
2456                                    .tooltip(Tooltip::text("View Project Rules")),
2457                            )
2458                            .on_click(cx.listener(Self::handle_open_rules)),
2459                    )
2460                })
2461                .into_any(),
2462        )
2463    }
2464
2465    fn render_empty_state_section_header(
2466        &self,
2467        label: impl Into<SharedString>,
2468        action_slot: Option<AnyElement>,
2469        cx: &mut Context<Self>,
2470    ) -> impl IntoElement {
2471        div().pl_1().pr_1p5().child(
2472            h_flex()
2473                .mt_2()
2474                .pl_1p5()
2475                .pb_1()
2476                .w_full()
2477                .justify_between()
2478                .border_b_1()
2479                .border_color(cx.theme().colors().border_variant)
2480                .child(
2481                    Label::new(label.into())
2482                        .size(LabelSize::Small)
2483                        .color(Color::Muted),
2484                )
2485                .children(action_slot),
2486        )
2487    }
2488
2489    fn render_empty_state(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2490        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2491        let render_history = self
2492            .agent
2493            .clone()
2494            .downcast::<agent2::NativeAgentServer>()
2495            .is_some()
2496            && self
2497                .history_store
2498                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2499
2500        v_flex()
2501            .size_full()
2502            .when(!render_history, |this| {
2503                this.child(
2504                    v_flex()
2505                        .size_full()
2506                        .items_center()
2507                        .justify_center()
2508                        .child(if loading {
2509                            h_flex()
2510                                .justify_center()
2511                                .child(self.render_agent_logo())
2512                                .with_animation(
2513                                    "pulsating_icon",
2514                                    Animation::new(Duration::from_secs(2))
2515                                        .repeat()
2516                                        .with_easing(pulsating_between(0.4, 1.0)),
2517                                    |icon, delta| icon.opacity(delta),
2518                                )
2519                                .into_any()
2520                        } else {
2521                            self.render_agent_logo().into_any_element()
2522                        })
2523                        .child(h_flex().mt_4().mb_2().justify_center().child(if loading {
2524                            div()
2525                                .child(LoadingLabel::new("").size(LabelSize::Large))
2526                                .into_any_element()
2527                        } else {
2528                            Headline::new(self.agent.empty_state_headline())
2529                                .size(HeadlineSize::Medium)
2530                                .into_any_element()
2531                        })),
2532                )
2533            })
2534            .when(render_history, |this| {
2535                let recent_history = self
2536                    .history_store
2537                    .update(cx, |history_store, cx| history_store.recent_entries(3, cx));
2538                this.justify_end().child(
2539                    v_flex()
2540                        .child(
2541                            self.render_empty_state_section_header(
2542                                "Recent",
2543                                Some(
2544                                    Button::new("view-history", "View All")
2545                                        .style(ButtonStyle::Subtle)
2546                                        .label_size(LabelSize::Small)
2547                                        .key_binding(
2548                                            KeyBinding::for_action_in(
2549                                                &OpenHistory,
2550                                                &self.focus_handle(cx),
2551                                                window,
2552                                                cx,
2553                                            )
2554                                            .map(|kb| kb.size(rems_from_px(12.))),
2555                                        )
2556                                        .on_click(move |_event, window, cx| {
2557                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2558                                        })
2559                                        .into_any_element(),
2560                                ),
2561                                cx,
2562                            ),
2563                        )
2564                        .child(
2565                            v_flex().p_1().pr_1p5().gap_1().children(
2566                                recent_history
2567                                    .into_iter()
2568                                    .enumerate()
2569                                    .map(|(index, entry)| {
2570                                        // TODO: Add keyboard navigation.
2571                                        let is_hovered =
2572                                            self.hovered_recent_history_item == Some(index);
2573                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2574                                            entry,
2575                                            cx.entity().downgrade(),
2576                                        )
2577                                        .hovered(is_hovered)
2578                                        .on_hover(cx.listener(
2579                                            move |this, is_hovered, _window, cx| {
2580                                                if *is_hovered {
2581                                                    this.hovered_recent_history_item = Some(index);
2582                                                } else if this.hovered_recent_history_item
2583                                                    == Some(index)
2584                                                {
2585                                                    this.hovered_recent_history_item = None;
2586                                                }
2587                                                cx.notify();
2588                                            },
2589                                        ))
2590                                        .into_any_element()
2591                                    }),
2592                            ),
2593                        ),
2594                )
2595            })
2596            .into_any()
2597    }
2598
2599    fn render_auth_required_state(
2600        &self,
2601        connection: &Rc<dyn AgentConnection>,
2602        description: Option<&Entity<Markdown>>,
2603        configuration_view: Option<&AnyView>,
2604        pending_auth_method: Option<&acp::AuthMethodId>,
2605        window: &mut Window,
2606        cx: &Context<Self>,
2607    ) -> Div {
2608        v_flex()
2609            .p_2()
2610            .gap_2()
2611            .flex_1()
2612            .items_center()
2613            .justify_center()
2614            .child(
2615                v_flex()
2616                    .items_center()
2617                    .justify_center()
2618                    .child(self.render_error_agent_logo())
2619                    .child(
2620                        h_flex().mt_4().mb_1().justify_center().child(
2621                            Headline::new("Authentication Required").size(HeadlineSize::Medium),
2622                        ),
2623                    )
2624                    .into_any(),
2625            )
2626            .children(description.map(|desc| {
2627                div().text_ui(cx).text_center().child(self.render_markdown(
2628                    desc.clone(),
2629                    default_markdown_style(false, false, window, cx),
2630                ))
2631            }))
2632            .children(
2633                configuration_view
2634                    .cloned()
2635                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2636            )
2637            .when(
2638                configuration_view.is_none()
2639                    && description.is_none()
2640                    && pending_auth_method.is_none(),
2641                |el| {
2642                    el.child(
2643                        div()
2644                            .text_ui(cx)
2645                            .text_center()
2646                            .px_4()
2647                            .w_full()
2648                            .max_w_128()
2649                            .child(Label::new("Authentication required")),
2650                    )
2651                },
2652            )
2653            .when_some(pending_auth_method, |el, _| {
2654                let spinner_icon = div()
2655                    .px_0p5()
2656                    .id("generating")
2657                    .tooltip(Tooltip::text("Generating Changes…"))
2658                    .child(
2659                        Icon::new(IconName::ArrowCircle)
2660                            .size(IconSize::Small)
2661                            .with_animation(
2662                                "arrow-circle",
2663                                Animation::new(Duration::from_secs(2)).repeat(),
2664                                |icon, delta| {
2665                                    icon.transform(Transformation::rotate(percentage(delta)))
2666                                },
2667                            )
2668                            .into_any_element(),
2669                    )
2670                    .into_any();
2671                el.child(
2672                    h_flex()
2673                        .text_ui(cx)
2674                        .text_center()
2675                        .justify_center()
2676                        .gap_2()
2677                        .px_4()
2678                        .w_full()
2679                        .max_w_128()
2680                        .child(Label::new("Authenticating..."))
2681                        .child(spinner_icon),
2682                )
2683            })
2684            .child(
2685                h_flex()
2686                    .mt_1p5()
2687                    .gap_1()
2688                    .flex_wrap()
2689                    .justify_center()
2690                    .children(connection.auth_methods().iter().enumerate().rev().map(
2691                        |(ix, method)| {
2692                            Button::new(
2693                                SharedString::from(method.id.0.clone()),
2694                                method.name.clone(),
2695                            )
2696                            .style(ButtonStyle::Outlined)
2697                            .when(ix == 0, |el| {
2698                                el.style(ButtonStyle::Tinted(ui::TintColor::Accent))
2699                            })
2700                            .size(ButtonSize::Medium)
2701                            .label_size(LabelSize::Small)
2702                            .on_click({
2703                                let method_id = method.id.clone();
2704                                cx.listener(move |this, _, window, cx| {
2705                                    this.authenticate(method_id.clone(), window, cx)
2706                                })
2707                            })
2708                        },
2709                    )),
2710            )
2711    }
2712
2713    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2714        let mut container = v_flex()
2715            .items_center()
2716            .justify_center()
2717            .child(self.render_error_agent_logo())
2718            .child(
2719                v_flex()
2720                    .mt_4()
2721                    .mb_2()
2722                    .gap_0p5()
2723                    .text_center()
2724                    .items_center()
2725                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2726                    .child(
2727                        Label::new(e.to_string())
2728                            .size(LabelSize::Small)
2729                            .color(Color::Muted),
2730                    ),
2731            );
2732
2733        if let LoadError::Unsupported {
2734            upgrade_message,
2735            upgrade_command,
2736            ..
2737        } = &e
2738        {
2739            let upgrade_message = upgrade_message.clone();
2740            let upgrade_command = upgrade_command.clone();
2741            container = container.child(
2742                Button::new("upgrade", upgrade_message)
2743                    .tooltip(Tooltip::text(upgrade_command.clone()))
2744                    .on_click(cx.listener(move |this, _, window, cx| {
2745                        let task = this
2746                            .workspace
2747                            .update(cx, |workspace, cx| {
2748                                let project = workspace.project().read(cx);
2749                                let cwd = project.first_project_directory(cx);
2750                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2751                                let spawn_in_terminal = task::SpawnInTerminal {
2752                                    id: task::TaskId("upgrade".to_string()),
2753                                    full_label: upgrade_command.clone(),
2754                                    label: upgrade_command.clone(),
2755                                    command: Some(upgrade_command.clone()),
2756                                    args: Vec::new(),
2757                                    command_label: upgrade_command.clone(),
2758                                    cwd,
2759                                    env: Default::default(),
2760                                    use_new_terminal: true,
2761                                    allow_concurrent_runs: true,
2762                                    reveal: Default::default(),
2763                                    reveal_target: Default::default(),
2764                                    hide: Default::default(),
2765                                    shell,
2766                                    show_summary: true,
2767                                    show_command: true,
2768                                    show_rerun: false,
2769                                };
2770                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2771                            })
2772                            .ok();
2773                        let Some(task) = task else { return };
2774                        cx.spawn_in(window, async move |this, cx| {
2775                            if let Some(Ok(_)) = task.await {
2776                                this.update_in(cx, |this, window, cx| {
2777                                    this.reset(window, cx);
2778                                })
2779                                .ok();
2780                            }
2781                        })
2782                        .detach()
2783                    })),
2784            );
2785        } else if let LoadError::NotInstalled {
2786            install_message,
2787            install_command,
2788            ..
2789        } = e
2790        {
2791            let install_message = install_message.clone();
2792            let install_command = install_command.clone();
2793            container = container.child(
2794                Button::new("install", install_message)
2795                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
2796                    .size(ButtonSize::Medium)
2797                    .tooltip(Tooltip::text(install_command.clone()))
2798                    .on_click(cx.listener(move |this, _, window, cx| {
2799                        let task = this
2800                            .workspace
2801                            .update(cx, |workspace, cx| {
2802                                let project = workspace.project().read(cx);
2803                                let cwd = project.first_project_directory(cx);
2804                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2805                                let spawn_in_terminal = task::SpawnInTerminal {
2806                                    id: task::TaskId("install".to_string()),
2807                                    full_label: install_command.clone(),
2808                                    label: install_command.clone(),
2809                                    command: Some(install_command.clone()),
2810                                    args: Vec::new(),
2811                                    command_label: install_command.clone(),
2812                                    cwd,
2813                                    env: Default::default(),
2814                                    use_new_terminal: true,
2815                                    allow_concurrent_runs: true,
2816                                    reveal: Default::default(),
2817                                    reveal_target: Default::default(),
2818                                    hide: Default::default(),
2819                                    shell,
2820                                    show_summary: true,
2821                                    show_command: true,
2822                                    show_rerun: false,
2823                                };
2824                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2825                            })
2826                            .ok();
2827                        let Some(task) = task else { return };
2828                        cx.spawn_in(window, async move |this, cx| {
2829                            if let Some(Ok(_)) = task.await {
2830                                this.update_in(cx, |this, window, cx| {
2831                                    this.reset(window, cx);
2832                                })
2833                                .ok();
2834                            }
2835                        })
2836                        .detach()
2837                    })),
2838            );
2839        }
2840
2841        container.into_any()
2842    }
2843
2844    fn render_activity_bar(
2845        &self,
2846        thread_entity: &Entity<AcpThread>,
2847        window: &mut Window,
2848        cx: &Context<Self>,
2849    ) -> Option<AnyElement> {
2850        let thread = thread_entity.read(cx);
2851        let action_log = thread.action_log();
2852        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2853        let plan = thread.plan();
2854
2855        if changed_buffers.is_empty() && plan.is_empty() {
2856            return None;
2857        }
2858
2859        let editor_bg_color = cx.theme().colors().editor_background;
2860        let active_color = cx.theme().colors().element_selected;
2861        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2862
2863        let pending_edits = thread.has_pending_edit_tool_calls();
2864
2865        v_flex()
2866            .mt_1()
2867            .mx_2()
2868            .bg(bg_edit_files_disclosure)
2869            .border_1()
2870            .border_b_0()
2871            .border_color(cx.theme().colors().border)
2872            .rounded_t_md()
2873            .shadow(vec![gpui::BoxShadow {
2874                color: gpui::black().opacity(0.15),
2875                offset: point(px(1.), px(-1.)),
2876                blur_radius: px(3.),
2877                spread_radius: px(0.),
2878            }])
2879            .when(!plan.is_empty(), |this| {
2880                this.child(self.render_plan_summary(plan, window, cx))
2881                    .when(self.plan_expanded, |parent| {
2882                        parent.child(self.render_plan_entries(plan, window, cx))
2883                    })
2884            })
2885            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2886                this.child(Divider::horizontal().color(DividerColor::Border))
2887            })
2888            .when(!changed_buffers.is_empty(), |this| {
2889                this.child(self.render_edits_summary(
2890                    &changed_buffers,
2891                    self.edits_expanded,
2892                    pending_edits,
2893                    window,
2894                    cx,
2895                ))
2896                .when(self.edits_expanded, |parent| {
2897                    parent.child(self.render_edited_files(
2898                        action_log,
2899                        &changed_buffers,
2900                        pending_edits,
2901                        cx,
2902                    ))
2903                })
2904            })
2905            .into_any()
2906            .into()
2907    }
2908
2909    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2910        let stats = plan.stats();
2911
2912        let title = if let Some(entry) = stats.in_progress_entry
2913            && !self.plan_expanded
2914        {
2915            h_flex()
2916                .w_full()
2917                .cursor_default()
2918                .gap_1()
2919                .text_xs()
2920                .text_color(cx.theme().colors().text_muted)
2921                .justify_between()
2922                .child(
2923                    h_flex()
2924                        .gap_1()
2925                        .child(
2926                            Label::new("Current:")
2927                                .size(LabelSize::Small)
2928                                .color(Color::Muted),
2929                        )
2930                        .child(MarkdownElement::new(
2931                            entry.content.clone(),
2932                            plan_label_markdown_style(&entry.status, window, cx),
2933                        )),
2934                )
2935                .when(stats.pending > 0, |this| {
2936                    this.child(
2937                        Label::new(format!("{} left", stats.pending))
2938                            .size(LabelSize::Small)
2939                            .color(Color::Muted)
2940                            .mr_1(),
2941                    )
2942                })
2943        } else {
2944            let status_label = if stats.pending == 0 {
2945                "All Done".to_string()
2946            } else if stats.completed == 0 {
2947                format!("{} Tasks", plan.entries.len())
2948            } else {
2949                format!("{}/{}", stats.completed, plan.entries.len())
2950            };
2951
2952            h_flex()
2953                .w_full()
2954                .gap_1()
2955                .justify_between()
2956                .child(
2957                    Label::new("Plan")
2958                        .size(LabelSize::Small)
2959                        .color(Color::Muted),
2960                )
2961                .child(
2962                    Label::new(status_label)
2963                        .size(LabelSize::Small)
2964                        .color(Color::Muted)
2965                        .mr_1(),
2966                )
2967        };
2968
2969        h_flex()
2970            .p_1()
2971            .justify_between()
2972            .when(self.plan_expanded, |this| {
2973                this.border_b_1().border_color(cx.theme().colors().border)
2974            })
2975            .child(
2976                h_flex()
2977                    .id("plan_summary")
2978                    .w_full()
2979                    .gap_1()
2980                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2981                    .child(title)
2982                    .on_click(cx.listener(|this, _, _, cx| {
2983                        this.plan_expanded = !this.plan_expanded;
2984                        cx.notify();
2985                    })),
2986            )
2987    }
2988
2989    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2990        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2991            let element = h_flex()
2992                .py_1()
2993                .px_2()
2994                .gap_2()
2995                .justify_between()
2996                .bg(cx.theme().colors().editor_background)
2997                .when(index < plan.entries.len() - 1, |parent| {
2998                    parent.border_color(cx.theme().colors().border).border_b_1()
2999                })
3000                .child(
3001                    h_flex()
3002                        .id(("plan_entry", index))
3003                        .gap_1p5()
3004                        .max_w_full()
3005                        .overflow_x_scroll()
3006                        .text_xs()
3007                        .text_color(cx.theme().colors().text_muted)
3008                        .child(match entry.status {
3009                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3010                                .size(IconSize::Small)
3011                                .color(Color::Muted)
3012                                .into_any_element(),
3013                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3014                                .size(IconSize::Small)
3015                                .color(Color::Accent)
3016                                .with_animation(
3017                                    "running",
3018                                    Animation::new(Duration::from_secs(2)).repeat(),
3019                                    |icon, delta| {
3020                                        icon.transform(Transformation::rotate(percentage(delta)))
3021                                    },
3022                                )
3023                                .into_any_element(),
3024                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3025                                .size(IconSize::Small)
3026                                .color(Color::Success)
3027                                .into_any_element(),
3028                        })
3029                        .child(MarkdownElement::new(
3030                            entry.content.clone(),
3031                            plan_label_markdown_style(&entry.status, window, cx),
3032                        )),
3033                );
3034
3035            Some(element)
3036        }))
3037    }
3038
3039    fn render_edits_summary(
3040        &self,
3041        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3042        expanded: bool,
3043        pending_edits: bool,
3044        window: &mut Window,
3045        cx: &Context<Self>,
3046    ) -> Div {
3047        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3048
3049        let focus_handle = self.focus_handle(cx);
3050
3051        h_flex()
3052            .p_1()
3053            .justify_between()
3054            .when(expanded, |this| {
3055                this.border_b_1().border_color(cx.theme().colors().border)
3056            })
3057            .child(
3058                h_flex()
3059                    .id("edits-container")
3060                    .w_full()
3061                    .gap_1()
3062                    .child(Disclosure::new("edits-disclosure", expanded))
3063                    .map(|this| {
3064                        if pending_edits {
3065                            this.child(
3066                                Label::new(format!(
3067                                    "Editing {} {}",
3068                                    changed_buffers.len(),
3069                                    if changed_buffers.len() == 1 {
3070                                        "file"
3071                                    } else {
3072                                        "files"
3073                                    }
3074                                ))
3075                                .color(Color::Muted)
3076                                .size(LabelSize::Small)
3077                                .with_animation(
3078                                    "edit-label",
3079                                    Animation::new(Duration::from_secs(2))
3080                                        .repeat()
3081                                        .with_easing(pulsating_between(0.3, 0.7)),
3082                                    |label, delta| label.alpha(delta),
3083                                ),
3084                            )
3085                        } else {
3086                            this.child(
3087                                Label::new("Edits")
3088                                    .size(LabelSize::Small)
3089                                    .color(Color::Muted),
3090                            )
3091                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3092                            .child(
3093                                Label::new(format!(
3094                                    "{} {}",
3095                                    changed_buffers.len(),
3096                                    if changed_buffers.len() == 1 {
3097                                        "file"
3098                                    } else {
3099                                        "files"
3100                                    }
3101                                ))
3102                                .size(LabelSize::Small)
3103                                .color(Color::Muted),
3104                            )
3105                        }
3106                    })
3107                    .on_click(cx.listener(|this, _, _, cx| {
3108                        this.edits_expanded = !this.edits_expanded;
3109                        cx.notify();
3110                    })),
3111            )
3112            .child(
3113                h_flex()
3114                    .gap_1()
3115                    .child(
3116                        IconButton::new("review-changes", IconName::ListTodo)
3117                            .icon_size(IconSize::Small)
3118                            .tooltip({
3119                                let focus_handle = focus_handle.clone();
3120                                move |window, cx| {
3121                                    Tooltip::for_action_in(
3122                                        "Review Changes",
3123                                        &OpenAgentDiff,
3124                                        &focus_handle,
3125                                        window,
3126                                        cx,
3127                                    )
3128                                }
3129                            })
3130                            .on_click(cx.listener(|_, _, window, cx| {
3131                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3132                            })),
3133                    )
3134                    .child(Divider::vertical().color(DividerColor::Border))
3135                    .child(
3136                        Button::new("reject-all-changes", "Reject All")
3137                            .label_size(LabelSize::Small)
3138                            .disabled(pending_edits)
3139                            .when(pending_edits, |this| {
3140                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3141                            })
3142                            .key_binding(
3143                                KeyBinding::for_action_in(
3144                                    &RejectAll,
3145                                    &focus_handle.clone(),
3146                                    window,
3147                                    cx,
3148                                )
3149                                .map(|kb| kb.size(rems_from_px(10.))),
3150                            )
3151                            .on_click(cx.listener(move |this, _, window, cx| {
3152                                this.reject_all(&RejectAll, window, cx);
3153                            })),
3154                    )
3155                    .child(
3156                        Button::new("keep-all-changes", "Keep All")
3157                            .label_size(LabelSize::Small)
3158                            .disabled(pending_edits)
3159                            .when(pending_edits, |this| {
3160                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3161                            })
3162                            .key_binding(
3163                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3164                                    .map(|kb| kb.size(rems_from_px(10.))),
3165                            )
3166                            .on_click(cx.listener(move |this, _, window, cx| {
3167                                this.keep_all(&KeepAll, window, cx);
3168                            })),
3169                    ),
3170            )
3171    }
3172
3173    fn render_edited_files(
3174        &self,
3175        action_log: &Entity<ActionLog>,
3176        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3177        pending_edits: bool,
3178        cx: &Context<Self>,
3179    ) -> Div {
3180        let editor_bg_color = cx.theme().colors().editor_background;
3181
3182        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3183            |(index, (buffer, _diff))| {
3184                let file = buffer.read(cx).file()?;
3185                let path = file.path();
3186
3187                let file_path = path.parent().and_then(|parent| {
3188                    let parent_str = parent.to_string_lossy();
3189
3190                    if parent_str.is_empty() {
3191                        None
3192                    } else {
3193                        Some(
3194                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3195                                .color(Color::Muted)
3196                                .size(LabelSize::XSmall)
3197                                .buffer_font(cx),
3198                        )
3199                    }
3200                });
3201
3202                let file_name = path.file_name().map(|name| {
3203                    Label::new(name.to_string_lossy().to_string())
3204                        .size(LabelSize::XSmall)
3205                        .buffer_font(cx)
3206                });
3207
3208                let file_icon = FileIcons::get_icon(path, cx)
3209                    .map(Icon::from_path)
3210                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3211                    .unwrap_or_else(|| {
3212                        Icon::new(IconName::File)
3213                            .color(Color::Muted)
3214                            .size(IconSize::Small)
3215                    });
3216
3217                let overlay_gradient = linear_gradient(
3218                    90.,
3219                    linear_color_stop(editor_bg_color, 1.),
3220                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3221                );
3222
3223                let element = h_flex()
3224                    .group("edited-code")
3225                    .id(("file-container", index))
3226                    .relative()
3227                    .py_1()
3228                    .pl_2()
3229                    .pr_1()
3230                    .gap_2()
3231                    .justify_between()
3232                    .bg(editor_bg_color)
3233                    .when(index < changed_buffers.len() - 1, |parent| {
3234                        parent.border_color(cx.theme().colors().border).border_b_1()
3235                    })
3236                    .child(
3237                        h_flex()
3238                            .id(("file-name", index))
3239                            .pr_8()
3240                            .gap_1p5()
3241                            .max_w_full()
3242                            .overflow_x_scroll()
3243                            .child(file_icon)
3244                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3245                            .on_click({
3246                                let buffer = buffer.clone();
3247                                cx.listener(move |this, _, window, cx| {
3248                                    this.open_edited_buffer(&buffer, window, cx);
3249                                })
3250                            }),
3251                    )
3252                    .child(
3253                        h_flex()
3254                            .gap_1()
3255                            .visible_on_hover("edited-code")
3256                            .child(
3257                                Button::new("review", "Review")
3258                                    .label_size(LabelSize::Small)
3259                                    .on_click({
3260                                        let buffer = buffer.clone();
3261                                        cx.listener(move |this, _, window, cx| {
3262                                            this.open_edited_buffer(&buffer, window, cx);
3263                                        })
3264                                    }),
3265                            )
3266                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3267                            .child(
3268                                Button::new("reject-file", "Reject")
3269                                    .label_size(LabelSize::Small)
3270                                    .disabled(pending_edits)
3271                                    .on_click({
3272                                        let buffer = buffer.clone();
3273                                        let action_log = action_log.clone();
3274                                        move |_, _, cx| {
3275                                            action_log.update(cx, |action_log, cx| {
3276                                                action_log
3277                                                    .reject_edits_in_ranges(
3278                                                        buffer.clone(),
3279                                                        vec![Anchor::MIN..Anchor::MAX],
3280                                                        cx,
3281                                                    )
3282                                                    .detach_and_log_err(cx);
3283                                            })
3284                                        }
3285                                    }),
3286                            )
3287                            .child(
3288                                Button::new("keep-file", "Keep")
3289                                    .label_size(LabelSize::Small)
3290                                    .disabled(pending_edits)
3291                                    .on_click({
3292                                        let buffer = buffer.clone();
3293                                        let action_log = action_log.clone();
3294                                        move |_, _, cx| {
3295                                            action_log.update(cx, |action_log, cx| {
3296                                                action_log.keep_edits_in_range(
3297                                                    buffer.clone(),
3298                                                    Anchor::MIN..Anchor::MAX,
3299                                                    cx,
3300                                                );
3301                                            })
3302                                        }
3303                                    }),
3304                            ),
3305                    )
3306                    .child(
3307                        div()
3308                            .id("gradient-overlay")
3309                            .absolute()
3310                            .h_full()
3311                            .w_12()
3312                            .top_0()
3313                            .bottom_0()
3314                            .right(px(152.))
3315                            .bg(overlay_gradient),
3316                    );
3317
3318                Some(element)
3319            },
3320        ))
3321    }
3322
3323    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3324        let focus_handle = self.message_editor.focus_handle(cx);
3325        let editor_bg_color = cx.theme().colors().editor_background;
3326        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3327            (IconName::Minimize, "Minimize Message Editor")
3328        } else {
3329            (IconName::Maximize, "Expand Message Editor")
3330        };
3331
3332        v_flex()
3333            .on_action(cx.listener(Self::expand_message_editor))
3334            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3335                if let Some(profile_selector) = this.profile_selector.as_ref() {
3336                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3337                }
3338            }))
3339            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3340                if let Some(model_selector) = this.model_selector.as_ref() {
3341                    model_selector
3342                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3343                }
3344            }))
3345            .p_2()
3346            .gap_2()
3347            .border_t_1()
3348            .border_color(cx.theme().colors().border)
3349            .bg(editor_bg_color)
3350            .when(self.editor_expanded, |this| {
3351                this.h(vh(0.8, window)).size_full().justify_between()
3352            })
3353            .child(
3354                v_flex()
3355                    .relative()
3356                    .size_full()
3357                    .pt_1()
3358                    .pr_2p5()
3359                    .child(self.message_editor.clone())
3360                    .child(
3361                        h_flex()
3362                            .absolute()
3363                            .top_0()
3364                            .right_0()
3365                            .opacity(0.5)
3366                            .hover(|this| this.opacity(1.0))
3367                            .child(
3368                                IconButton::new("toggle-height", expand_icon)
3369                                    .icon_size(IconSize::Small)
3370                                    .icon_color(Color::Muted)
3371                                    .tooltip({
3372                                        move |window, cx| {
3373                                            Tooltip::for_action_in(
3374                                                expand_tooltip,
3375                                                &ExpandMessageEditor,
3376                                                &focus_handle,
3377                                                window,
3378                                                cx,
3379                                            )
3380                                        }
3381                                    })
3382                                    .on_click(cx.listener(|_, _, window, cx| {
3383                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3384                                    })),
3385                            ),
3386                    ),
3387            )
3388            .child(
3389                h_flex()
3390                    .flex_none()
3391                    .flex_wrap()
3392                    .justify_between()
3393                    .child(
3394                        h_flex()
3395                            .child(self.render_follow_toggle(cx))
3396                            .children(self.render_burn_mode_toggle(cx)),
3397                    )
3398                    .child(
3399                        h_flex()
3400                            .gap_1()
3401                            .children(self.render_token_usage(cx))
3402                            .children(self.profile_selector.clone())
3403                            .children(self.model_selector.clone())
3404                            .child(self.render_send_button(cx)),
3405                    ),
3406            )
3407            .into_any()
3408    }
3409
3410    pub(crate) fn as_native_connection(
3411        &self,
3412        cx: &App,
3413    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3414        let acp_thread = self.thread()?.read(cx);
3415        acp_thread.connection().clone().downcast()
3416    }
3417
3418    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3419        let acp_thread = self.thread()?.read(cx);
3420        self.as_native_connection(cx)?
3421            .thread(acp_thread.session_id(), cx)
3422    }
3423
3424    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3425        self.as_native_thread(cx)
3426            .and_then(|thread| thread.read(cx).model())
3427            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3428    }
3429
3430    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3431        let thread = self.thread()?.read(cx);
3432        let usage = thread.token_usage()?;
3433        let is_generating = thread.status() != ThreadStatus::Idle;
3434
3435        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3436        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3437
3438        Some(
3439            h_flex()
3440                .flex_shrink_0()
3441                .gap_0p5()
3442                .mr_1p5()
3443                .child(
3444                    Label::new(used)
3445                        .size(LabelSize::Small)
3446                        .color(Color::Muted)
3447                        .map(|label| {
3448                            if is_generating {
3449                                label
3450                                    .with_animation(
3451                                        "used-tokens-label",
3452                                        Animation::new(Duration::from_secs(2))
3453                                            .repeat()
3454                                            .with_easing(pulsating_between(0.3, 0.8)),
3455                                        |label, delta| label.alpha(delta),
3456                                    )
3457                                    .into_any()
3458                            } else {
3459                                label.into_any_element()
3460                            }
3461                        }),
3462                )
3463                .child(
3464                    Label::new("/")
3465                        .size(LabelSize::Small)
3466                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3467                )
3468                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3469        )
3470    }
3471
3472    fn toggle_burn_mode(
3473        &mut self,
3474        _: &ToggleBurnMode,
3475        _window: &mut Window,
3476        cx: &mut Context<Self>,
3477    ) {
3478        let Some(thread) = self.as_native_thread(cx) else {
3479            return;
3480        };
3481
3482        thread.update(cx, |thread, cx| {
3483            let current_mode = thread.completion_mode();
3484            thread.set_completion_mode(
3485                match current_mode {
3486                    CompletionMode::Burn => CompletionMode::Normal,
3487                    CompletionMode::Normal => CompletionMode::Burn,
3488                },
3489                cx,
3490            );
3491        });
3492    }
3493
3494    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3495        let Some(thread) = self.thread() else {
3496            return;
3497        };
3498        let action_log = thread.read(cx).action_log().clone();
3499        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3500    }
3501
3502    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3503        let Some(thread) = self.thread() else {
3504            return;
3505        };
3506        let action_log = thread.read(cx).action_log().clone();
3507        action_log
3508            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3509            .detach();
3510    }
3511
3512    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3513        let thread = self.as_native_thread(cx)?.read(cx);
3514
3515        if thread
3516            .model()
3517            .is_none_or(|model| !model.supports_burn_mode())
3518        {
3519            return None;
3520        }
3521
3522        let active_completion_mode = thread.completion_mode();
3523        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3524        let icon = if burn_mode_enabled {
3525            IconName::ZedBurnModeOn
3526        } else {
3527            IconName::ZedBurnMode
3528        };
3529
3530        Some(
3531            IconButton::new("burn-mode", icon)
3532                .icon_size(IconSize::Small)
3533                .icon_color(Color::Muted)
3534                .toggle_state(burn_mode_enabled)
3535                .selected_icon_color(Color::Error)
3536                .on_click(cx.listener(|this, _event, window, cx| {
3537                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3538                }))
3539                .tooltip(move |_window, cx| {
3540                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3541                        .into()
3542                })
3543                .into_any_element(),
3544        )
3545    }
3546
3547    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3548        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3549        let is_generating = self
3550            .thread()
3551            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3552
3553        if is_generating && is_editor_empty {
3554            IconButton::new("stop-generation", IconName::Stop)
3555                .icon_color(Color::Error)
3556                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3557                .tooltip(move |window, cx| {
3558                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3559                })
3560                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3561                .into_any_element()
3562        } else {
3563            let send_btn_tooltip = if is_editor_empty && !is_generating {
3564                "Type to Send"
3565            } else if is_generating {
3566                "Stop and Send Message"
3567            } else {
3568                "Send"
3569            };
3570
3571            IconButton::new("send-message", IconName::Send)
3572                .style(ButtonStyle::Filled)
3573                .map(|this| {
3574                    if is_editor_empty && !is_generating {
3575                        this.disabled(true).icon_color(Color::Muted)
3576                    } else {
3577                        this.icon_color(Color::Accent)
3578                    }
3579                })
3580                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3581                .on_click(cx.listener(|this, _, window, cx| {
3582                    this.send(window, cx);
3583                }))
3584                .into_any_element()
3585        }
3586    }
3587
3588    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3589        let following = self
3590            .workspace
3591            .read_with(cx, |workspace, _| {
3592                workspace.is_being_followed(CollaboratorId::Agent)
3593            })
3594            .unwrap_or(false);
3595
3596        IconButton::new("follow-agent", IconName::Crosshair)
3597            .icon_size(IconSize::Small)
3598            .icon_color(Color::Muted)
3599            .toggle_state(following)
3600            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3601            .tooltip(move |window, cx| {
3602                if following {
3603                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3604                } else {
3605                    Tooltip::with_meta(
3606                        "Follow Agent",
3607                        Some(&Follow),
3608                        "Track the agent's location as it reads and edits files.",
3609                        window,
3610                        cx,
3611                    )
3612                }
3613            })
3614            .on_click(cx.listener(move |this, _, window, cx| {
3615                this.workspace
3616                    .update(cx, |workspace, cx| {
3617                        if following {
3618                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3619                        } else {
3620                            workspace.follow(CollaboratorId::Agent, window, cx);
3621                        }
3622                    })
3623                    .ok();
3624            }))
3625    }
3626
3627    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3628        let workspace = self.workspace.clone();
3629        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3630            Self::open_link(text, &workspace, window, cx);
3631        })
3632    }
3633
3634    fn open_link(
3635        url: SharedString,
3636        workspace: &WeakEntity<Workspace>,
3637        window: &mut Window,
3638        cx: &mut App,
3639    ) {
3640        let Some(workspace) = workspace.upgrade() else {
3641            cx.open_url(&url);
3642            return;
3643        };
3644
3645        if let Some(mention) = MentionUri::parse(&url).log_err() {
3646            workspace.update(cx, |workspace, cx| match mention {
3647                MentionUri::File { abs_path } => {
3648                    let project = workspace.project();
3649                    let Some(path) =
3650                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3651                    else {
3652                        return;
3653                    };
3654
3655                    workspace
3656                        .open_path(path, None, true, window, cx)
3657                        .detach_and_log_err(cx);
3658                }
3659                MentionUri::Directory { abs_path } => {
3660                    let project = workspace.project();
3661                    let Some(entry) = project.update(cx, |project, cx| {
3662                        let path = project.find_project_path(abs_path, cx)?;
3663                        project.entry_for_path(&path, cx)
3664                    }) else {
3665                        return;
3666                    };
3667
3668                    project.update(cx, |_, cx| {
3669                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3670                    });
3671                }
3672                MentionUri::Symbol {
3673                    path, line_range, ..
3674                }
3675                | MentionUri::Selection { path, line_range } => {
3676                    let project = workspace.project();
3677                    let Some((path, _)) = project.update(cx, |project, cx| {
3678                        let path = project.find_project_path(path, cx)?;
3679                        let entry = project.entry_for_path(&path, cx)?;
3680                        Some((path, entry))
3681                    }) else {
3682                        return;
3683                    };
3684
3685                    let item = workspace.open_path(path, None, true, window, cx);
3686                    window
3687                        .spawn(cx, async move |cx| {
3688                            let Some(editor) = item.await?.downcast::<Editor>() else {
3689                                return Ok(());
3690                            };
3691                            let range =
3692                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3693                            editor
3694                                .update_in(cx, |editor, window, cx| {
3695                                    editor.change_selections(
3696                                        SelectionEffects::scroll(Autoscroll::center()),
3697                                        window,
3698                                        cx,
3699                                        |s| s.select_ranges(vec![range]),
3700                                    );
3701                                })
3702                                .ok();
3703                            anyhow::Ok(())
3704                        })
3705                        .detach_and_log_err(cx);
3706                }
3707                MentionUri::Thread { id, name } => {
3708                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3709                        panel.update(cx, |panel, cx| {
3710                            panel.load_agent_thread(
3711                                DbThreadMetadata {
3712                                    id,
3713                                    title: name.into(),
3714                                    updated_at: Default::default(),
3715                                },
3716                                window,
3717                                cx,
3718                            )
3719                        });
3720                    }
3721                }
3722                MentionUri::TextThread { path, .. } => {
3723                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3724                        panel.update(cx, |panel, cx| {
3725                            panel
3726                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3727                                .detach_and_log_err(cx);
3728                        });
3729                    }
3730                }
3731                MentionUri::Rule { id, .. } => {
3732                    let PromptId::User { uuid } = id else {
3733                        return;
3734                    };
3735                    window.dispatch_action(
3736                        Box::new(OpenRulesLibrary {
3737                            prompt_to_select: Some(uuid.0),
3738                        }),
3739                        cx,
3740                    )
3741                }
3742                MentionUri::Fetch { url } => {
3743                    cx.open_url(url.as_str());
3744                }
3745            })
3746        } else {
3747            cx.open_url(&url);
3748        }
3749    }
3750
3751    fn open_tool_call_location(
3752        &self,
3753        entry_ix: usize,
3754        location_ix: usize,
3755        window: &mut Window,
3756        cx: &mut Context<Self>,
3757    ) -> Option<()> {
3758        let (tool_call_location, agent_location) = self
3759            .thread()?
3760            .read(cx)
3761            .entries()
3762            .get(entry_ix)?
3763            .location(location_ix)?;
3764
3765        let project_path = self
3766            .project
3767            .read(cx)
3768            .find_project_path(&tool_call_location.path, cx)?;
3769
3770        let open_task = self
3771            .workspace
3772            .update(cx, |workspace, cx| {
3773                workspace.open_path(project_path, None, true, window, cx)
3774            })
3775            .log_err()?;
3776        window
3777            .spawn(cx, async move |cx| {
3778                let item = open_task.await?;
3779
3780                let Some(active_editor) = item.downcast::<Editor>() else {
3781                    return anyhow::Ok(());
3782                };
3783
3784                active_editor.update_in(cx, |editor, window, cx| {
3785                    let multibuffer = editor.buffer().read(cx);
3786                    let buffer = multibuffer.as_singleton();
3787                    if agent_location.buffer.upgrade() == buffer {
3788                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3789                        let anchor = editor::Anchor::in_buffer(
3790                            excerpt_id.unwrap(),
3791                            buffer.unwrap().read(cx).remote_id(),
3792                            agent_location.position,
3793                        );
3794                        editor.change_selections(Default::default(), window, cx, |selections| {
3795                            selections.select_anchor_ranges([anchor..anchor]);
3796                        })
3797                    } else {
3798                        let row = tool_call_location.line.unwrap_or_default();
3799                        editor.change_selections(Default::default(), window, cx, |selections| {
3800                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3801                        })
3802                    }
3803                })?;
3804
3805                anyhow::Ok(())
3806            })
3807            .detach_and_log_err(cx);
3808
3809        None
3810    }
3811
3812    pub fn open_thread_as_markdown(
3813        &self,
3814        workspace: Entity<Workspace>,
3815        window: &mut Window,
3816        cx: &mut App,
3817    ) -> Task<anyhow::Result<()>> {
3818        let markdown_language_task = workspace
3819            .read(cx)
3820            .app_state()
3821            .languages
3822            .language_for_name("Markdown");
3823
3824        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3825            let thread = thread.read(cx);
3826            (thread.title().to_string(), thread.to_markdown(cx))
3827        } else {
3828            return Task::ready(Ok(()));
3829        };
3830
3831        window.spawn(cx, async move |cx| {
3832            let markdown_language = markdown_language_task.await?;
3833
3834            workspace.update_in(cx, |workspace, window, cx| {
3835                let project = workspace.project().clone();
3836
3837                if !project.read(cx).is_local() {
3838                    bail!("failed to open active thread as markdown in remote project");
3839                }
3840
3841                let buffer = project.update(cx, |project, cx| {
3842                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3843                });
3844                let buffer = cx.new(|cx| {
3845                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3846                });
3847
3848                workspace.add_item_to_active_pane(
3849                    Box::new(cx.new(|cx| {
3850                        let mut editor =
3851                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3852                        editor.set_breadcrumb_header(thread_summary);
3853                        editor
3854                    })),
3855                    None,
3856                    true,
3857                    window,
3858                    cx,
3859                );
3860
3861                anyhow::Ok(())
3862            })??;
3863            anyhow::Ok(())
3864        })
3865    }
3866
3867    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3868        self.list_state.scroll_to(ListOffset::default());
3869        cx.notify();
3870    }
3871
3872    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3873        if let Some(thread) = self.thread() {
3874            let entry_count = thread.read(cx).entries().len();
3875            self.list_state.reset(entry_count);
3876            cx.notify();
3877        }
3878    }
3879
3880    fn notify_with_sound(
3881        &mut self,
3882        caption: impl Into<SharedString>,
3883        icon: IconName,
3884        window: &mut Window,
3885        cx: &mut Context<Self>,
3886    ) {
3887        self.play_notification_sound(window, cx);
3888        self.show_notification(caption, icon, window, cx);
3889    }
3890
3891    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3892        let settings = AgentSettings::get_global(cx);
3893        if settings.play_sound_when_agent_done && !window.is_window_active() {
3894            Audio::play_sound(Sound::AgentDone, cx);
3895        }
3896    }
3897
3898    fn show_notification(
3899        &mut self,
3900        caption: impl Into<SharedString>,
3901        icon: IconName,
3902        window: &mut Window,
3903        cx: &mut Context<Self>,
3904    ) {
3905        if window.is_window_active() || !self.notifications.is_empty() {
3906            return;
3907        }
3908
3909        let title = self.title(cx);
3910
3911        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3912            NotifyWhenAgentWaiting::PrimaryScreen => {
3913                if let Some(primary) = cx.primary_display() {
3914                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3915                }
3916            }
3917            NotifyWhenAgentWaiting::AllScreens => {
3918                let caption = caption.into();
3919                for screen in cx.displays() {
3920                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3921                }
3922            }
3923            NotifyWhenAgentWaiting::Never => {
3924                // Don't show anything
3925            }
3926        }
3927    }
3928
3929    fn pop_up(
3930        &mut self,
3931        icon: IconName,
3932        caption: SharedString,
3933        title: SharedString,
3934        window: &mut Window,
3935        screen: Rc<dyn PlatformDisplay>,
3936        cx: &mut Context<Self>,
3937    ) {
3938        let options = AgentNotification::window_options(screen, cx);
3939
3940        let project_name = self.workspace.upgrade().and_then(|workspace| {
3941            workspace
3942                .read(cx)
3943                .project()
3944                .read(cx)
3945                .visible_worktrees(cx)
3946                .next()
3947                .map(|worktree| worktree.read(cx).root_name().to_string())
3948        });
3949
3950        if let Some(screen_window) = cx
3951            .open_window(options, |_, cx| {
3952                cx.new(|_| {
3953                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3954                })
3955            })
3956            .log_err()
3957            && let Some(pop_up) = screen_window.entity(cx).log_err()
3958        {
3959            self.notification_subscriptions
3960                .entry(screen_window)
3961                .or_insert_with(Vec::new)
3962                .push(cx.subscribe_in(&pop_up, window, {
3963                    |this, _, event, window, cx| match event {
3964                        AgentNotificationEvent::Accepted => {
3965                            let handle = window.window_handle();
3966                            cx.activate(true);
3967
3968                            let workspace_handle = this.workspace.clone();
3969
3970                            // If there are multiple Zed windows, activate the correct one.
3971                            cx.defer(move |cx| {
3972                                handle
3973                                    .update(cx, |_view, window, _cx| {
3974                                        window.activate_window();
3975
3976                                        if let Some(workspace) = workspace_handle.upgrade() {
3977                                            workspace.update(_cx, |workspace, cx| {
3978                                                workspace.focus_panel::<AgentPanel>(window, cx);
3979                                            });
3980                                        }
3981                                    })
3982                                    .log_err();
3983                            });
3984
3985                            this.dismiss_notifications(cx);
3986                        }
3987                        AgentNotificationEvent::Dismissed => {
3988                            this.dismiss_notifications(cx);
3989                        }
3990                    }
3991                }));
3992
3993            self.notifications.push(screen_window);
3994
3995            // If the user manually refocuses the original window, dismiss the popup.
3996            self.notification_subscriptions
3997                .entry(screen_window)
3998                .or_insert_with(Vec::new)
3999                .push({
4000                    let pop_up_weak = pop_up.downgrade();
4001
4002                    cx.observe_window_activation(window, move |_, window, cx| {
4003                        if window.is_window_active()
4004                            && let Some(pop_up) = pop_up_weak.upgrade()
4005                        {
4006                            pop_up.update(cx, |_, cx| {
4007                                cx.emit(AgentNotificationEvent::Dismissed);
4008                            });
4009                        }
4010                    })
4011                });
4012        }
4013    }
4014
4015    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4016        for window in self.notifications.drain(..) {
4017            window
4018                .update(cx, |_, window, _| {
4019                    window.remove_window();
4020                })
4021                .ok();
4022
4023            self.notification_subscriptions.remove(&window);
4024        }
4025    }
4026
4027    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
4028        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4029            .shape(ui::IconButtonShape::Square)
4030            .icon_size(IconSize::Small)
4031            .icon_color(Color::Ignored)
4032            .tooltip(Tooltip::text("Open Thread as Markdown"))
4033            .on_click(cx.listener(move |this, _, window, cx| {
4034                if let Some(workspace) = this.workspace.upgrade() {
4035                    this.open_thread_as_markdown(workspace, window, cx)
4036                        .detach_and_log_err(cx);
4037                }
4038            }));
4039
4040        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4041            .shape(ui::IconButtonShape::Square)
4042            .icon_size(IconSize::Small)
4043            .icon_color(Color::Ignored)
4044            .tooltip(Tooltip::text("Scroll To Top"))
4045            .on_click(cx.listener(move |this, _, _, cx| {
4046                this.scroll_to_top(cx);
4047            }));
4048
4049        let mut container = h_flex()
4050            .id("thread-controls-container")
4051            .group("thread-controls-container")
4052            .w_full()
4053            .mr_1()
4054            .pb_2()
4055            .px(RESPONSE_PADDING_X)
4056            .opacity(0.4)
4057            .hover(|style| style.opacity(1.))
4058            .flex_wrap()
4059            .justify_end();
4060
4061        if AgentSettings::get_global(cx).enable_feedback
4062            && self
4063                .thread()
4064                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4065        {
4066            let feedback = self.thread_feedback.feedback;
4067            container = container.child(
4068                div().visible_on_hover("thread-controls-container").child(
4069                    Label::new(
4070                        match feedback {
4071                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4072                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
4073                            None => "Rating the thread sends all of your current conversation to the Zed team.",
4074                        }
4075                    )
4076                    .color(Color::Muted)
4077                    .size(LabelSize::XSmall)
4078                    .truncate(),
4079                ),
4080            ).child(
4081                h_flex()
4082                    .child(
4083                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4084                            .shape(ui::IconButtonShape::Square)
4085                            .icon_size(IconSize::Small)
4086                            .icon_color(match feedback {
4087                                Some(ThreadFeedback::Positive) => Color::Accent,
4088                                _ => Color::Ignored,
4089                            })
4090                            .tooltip(Tooltip::text("Helpful Response"))
4091                            .on_click(cx.listener(move |this, _, window, cx| {
4092                                this.handle_feedback_click(
4093                                    ThreadFeedback::Positive,
4094                                    window,
4095                                    cx,
4096                                );
4097                            })),
4098                    )
4099                    .child(
4100                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4101                            .shape(ui::IconButtonShape::Square)
4102                            .icon_size(IconSize::Small)
4103                            .icon_color(match feedback {
4104                                Some(ThreadFeedback::Negative) => Color::Accent,
4105                                _ => Color::Ignored,
4106                            })
4107                            .tooltip(Tooltip::text("Not Helpful"))
4108                            .on_click(cx.listener(move |this, _, window, cx| {
4109                                this.handle_feedback_click(
4110                                    ThreadFeedback::Negative,
4111                                    window,
4112                                    cx,
4113                                );
4114                            })),
4115                    )
4116            )
4117        }
4118
4119        container.child(open_as_markdown).child(scroll_to_top)
4120    }
4121
4122    fn render_feedback_feedback_editor(
4123        editor: Entity<Editor>,
4124        window: &mut Window,
4125        cx: &Context<Self>,
4126    ) -> Div {
4127        let focus_handle = editor.focus_handle(cx);
4128        v_flex()
4129            .key_context("AgentFeedbackMessageEditor")
4130            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4131                this.thread_feedback.dismiss_comments();
4132                cx.notify();
4133            }))
4134            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4135                this.submit_feedback_message(cx);
4136            }))
4137            .mb_2()
4138            .mx_4()
4139            .p_2()
4140            .rounded_md()
4141            .border_1()
4142            .border_color(cx.theme().colors().border)
4143            .bg(cx.theme().colors().editor_background)
4144            .child(editor)
4145            .child(
4146                h_flex()
4147                    .gap_1()
4148                    .justify_end()
4149                    .child(
4150                        Button::new("dismiss-feedback-message", "Cancel")
4151                            .label_size(LabelSize::Small)
4152                            .key_binding(
4153                                KeyBinding::for_action_in(&menu::Cancel, &focus_handle, window, cx)
4154                                    .map(|kb| kb.size(rems_from_px(10.))),
4155                            )
4156                            .on_click(cx.listener(move |this, _, _window, cx| {
4157                                this.thread_feedback.dismiss_comments();
4158                                cx.notify();
4159                            })),
4160                    )
4161                    .child(
4162                        Button::new("submit-feedback-message", "Share Feedback")
4163                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4164                            .label_size(LabelSize::Small)
4165                            .key_binding(
4166                                KeyBinding::for_action_in(
4167                                    &menu::Confirm,
4168                                    &focus_handle,
4169                                    window,
4170                                    cx,
4171                                )
4172                                .map(|kb| kb.size(rems_from_px(10.))),
4173                            )
4174                            .on_click(cx.listener(move |this, _, _window, cx| {
4175                                this.submit_feedback_message(cx);
4176                            })),
4177                    ),
4178            )
4179    }
4180
4181    fn handle_feedback_click(
4182        &mut self,
4183        feedback: ThreadFeedback,
4184        window: &mut Window,
4185        cx: &mut Context<Self>,
4186    ) {
4187        let Some(thread) = self.thread().cloned() else {
4188            return;
4189        };
4190
4191        self.thread_feedback.submit(thread, feedback, window, cx);
4192        cx.notify();
4193    }
4194
4195    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4196        let Some(thread) = self.thread().cloned() else {
4197            return;
4198        };
4199
4200        self.thread_feedback.submit_comments(thread, cx);
4201        cx.notify();
4202    }
4203
4204    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4205        div()
4206            .id("acp-thread-scrollbar")
4207            .occlude()
4208            .on_mouse_move(cx.listener(|_, _, _, cx| {
4209                cx.notify();
4210                cx.stop_propagation()
4211            }))
4212            .on_hover(|_, _, cx| {
4213                cx.stop_propagation();
4214            })
4215            .on_any_mouse_down(|_, _, cx| {
4216                cx.stop_propagation();
4217            })
4218            .on_mouse_up(
4219                MouseButton::Left,
4220                cx.listener(|_, _, _, cx| {
4221                    cx.stop_propagation();
4222                }),
4223            )
4224            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4225                cx.notify();
4226            }))
4227            .h_full()
4228            .absolute()
4229            .right_1()
4230            .top_1()
4231            .bottom_0()
4232            .w(px(12.))
4233            .cursor_default()
4234            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4235    }
4236
4237    fn render_token_limit_callout(
4238        &self,
4239        line_height: Pixels,
4240        cx: &mut Context<Self>,
4241    ) -> Option<Callout> {
4242        let token_usage = self.thread()?.read(cx).token_usage()?;
4243        let ratio = token_usage.ratio();
4244
4245        let (severity, title) = match ratio {
4246            acp_thread::TokenUsageRatio::Normal => return None,
4247            acp_thread::TokenUsageRatio::Warning => {
4248                (Severity::Warning, "Thread reaching the token limit soon")
4249            }
4250            acp_thread::TokenUsageRatio::Exceeded => {
4251                (Severity::Error, "Thread reached the token limit")
4252            }
4253        };
4254
4255        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4256            thread.read(cx).completion_mode() == CompletionMode::Normal
4257                && thread
4258                    .read(cx)
4259                    .model()
4260                    .is_some_and(|model| model.supports_burn_mode())
4261        });
4262
4263        let description = if burn_mode_available {
4264            "To continue, start a new thread from a summary or turn Burn Mode on."
4265        } else {
4266            "To continue, start a new thread from a summary."
4267        };
4268
4269        Some(
4270            Callout::new()
4271                .severity(severity)
4272                .line_height(line_height)
4273                .title(title)
4274                .description(description)
4275                .actions_slot(
4276                    h_flex()
4277                        .gap_0p5()
4278                        .child(
4279                            Button::new("start-new-thread", "Start New Thread")
4280                                .label_size(LabelSize::Small)
4281                                .on_click(cx.listener(|this, _, window, cx| {
4282                                    let Some(thread) = this.thread() else {
4283                                        return;
4284                                    };
4285                                    let session_id = thread.read(cx).session_id().clone();
4286                                    window.dispatch_action(
4287                                        crate::NewNativeAgentThreadFromSummary {
4288                                            from_session_id: session_id,
4289                                        }
4290                                        .boxed_clone(),
4291                                        cx,
4292                                    );
4293                                })),
4294                        )
4295                        .when(burn_mode_available, |this| {
4296                            this.child(
4297                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4298                                    .icon_size(IconSize::XSmall)
4299                                    .on_click(cx.listener(|this, _event, window, cx| {
4300                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4301                                    })),
4302                            )
4303                        }),
4304                ),
4305        )
4306    }
4307
4308    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4309        if !self.is_using_zed_ai_models(cx) {
4310            return None;
4311        }
4312
4313        let user_store = self.project.read(cx).user_store().read(cx);
4314        if user_store.is_usage_based_billing_enabled() {
4315            return None;
4316        }
4317
4318        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4319
4320        let usage = user_store.model_request_usage()?;
4321
4322        Some(
4323            div()
4324                .child(UsageCallout::new(plan, usage))
4325                .line_height(line_height),
4326        )
4327    }
4328
4329    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4330        self.entry_view_state.update(cx, |entry_view_state, cx| {
4331            entry_view_state.settings_changed(cx);
4332        });
4333    }
4334
4335    pub(crate) fn insert_dragged_files(
4336        &self,
4337        paths: Vec<project::ProjectPath>,
4338        added_worktrees: Vec<Entity<project::Worktree>>,
4339        window: &mut Window,
4340        cx: &mut Context<Self>,
4341    ) {
4342        self.message_editor.update(cx, |message_editor, cx| {
4343            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4344        })
4345    }
4346
4347    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4348        self.message_editor.update(cx, |message_editor, cx| {
4349            message_editor.insert_selections(window, cx);
4350        })
4351    }
4352
4353    fn render_thread_retry_status_callout(
4354        &self,
4355        _window: &mut Window,
4356        _cx: &mut Context<Self>,
4357    ) -> Option<Callout> {
4358        let state = self.thread_retry_status.as_ref()?;
4359
4360        let next_attempt_in = state
4361            .duration
4362            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4363        if next_attempt_in.is_zero() {
4364            return None;
4365        }
4366
4367        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4368
4369        let retry_message = if state.max_attempts == 1 {
4370            if next_attempt_in_secs == 1 {
4371                "Retrying. Next attempt in 1 second.".to_string()
4372            } else {
4373                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4374            }
4375        } else if next_attempt_in_secs == 1 {
4376            format!(
4377                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4378                state.attempt, state.max_attempts,
4379            )
4380        } else {
4381            format!(
4382                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4383                state.attempt, state.max_attempts,
4384            )
4385        };
4386
4387        Some(
4388            Callout::new()
4389                .severity(Severity::Warning)
4390                .title(state.last_error.clone())
4391                .description(retry_message),
4392        )
4393    }
4394
4395    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4396        let content = match self.thread_error.as_ref()? {
4397            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4398            ThreadError::AuthenticationRequired(error) => {
4399                self.render_authentication_required_error(error.clone(), cx)
4400            }
4401            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4402            ThreadError::ModelRequestLimitReached(plan) => {
4403                self.render_model_request_limit_reached_error(*plan, cx)
4404            }
4405            ThreadError::ToolUseLimitReached => {
4406                self.render_tool_use_limit_reached_error(window, cx)?
4407            }
4408        };
4409
4410        Some(div().child(content))
4411    }
4412
4413    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4414        Callout::new()
4415            .severity(Severity::Error)
4416            .title("Error")
4417            .description(error.clone())
4418            .actions_slot(self.create_copy_button(error.to_string()))
4419            .dismiss_action(self.dismiss_error_button(cx))
4420    }
4421
4422    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4423        const ERROR_MESSAGE: &str =
4424            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4425
4426        Callout::new()
4427            .severity(Severity::Error)
4428            .title("Free Usage Exceeded")
4429            .description(ERROR_MESSAGE)
4430            .actions_slot(
4431                h_flex()
4432                    .gap_0p5()
4433                    .child(self.upgrade_button(cx))
4434                    .child(self.create_copy_button(ERROR_MESSAGE)),
4435            )
4436            .dismiss_action(self.dismiss_error_button(cx))
4437    }
4438
4439    fn render_authentication_required_error(
4440        &self,
4441        error: SharedString,
4442        cx: &mut Context<Self>,
4443    ) -> Callout {
4444        Callout::new()
4445            .severity(Severity::Error)
4446            .title("Authentication Required")
4447            .description(error.clone())
4448            .actions_slot(
4449                h_flex()
4450                    .gap_0p5()
4451                    .child(self.authenticate_button(cx))
4452                    .child(self.create_copy_button(error)),
4453            )
4454            .dismiss_action(self.dismiss_error_button(cx))
4455    }
4456
4457    fn render_model_request_limit_reached_error(
4458        &self,
4459        plan: cloud_llm_client::Plan,
4460        cx: &mut Context<Self>,
4461    ) -> Callout {
4462        let error_message = match plan {
4463            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4464            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4465                "Upgrade to Zed Pro for more prompts."
4466            }
4467        };
4468
4469        Callout::new()
4470            .severity(Severity::Error)
4471            .title("Model Prompt Limit Reached")
4472            .description(error_message)
4473            .actions_slot(
4474                h_flex()
4475                    .gap_0p5()
4476                    .child(self.upgrade_button(cx))
4477                    .child(self.create_copy_button(error_message)),
4478            )
4479            .dismiss_action(self.dismiss_error_button(cx))
4480    }
4481
4482    fn render_tool_use_limit_reached_error(
4483        &self,
4484        window: &mut Window,
4485        cx: &mut Context<Self>,
4486    ) -> Option<Callout> {
4487        let thread = self.as_native_thread(cx)?;
4488        let supports_burn_mode = thread
4489            .read(cx)
4490            .model()
4491            .is_some_and(|model| model.supports_burn_mode());
4492
4493        let focus_handle = self.focus_handle(cx);
4494
4495        Some(
4496            Callout::new()
4497                .icon(IconName::Info)
4498                .title("Consecutive tool use limit reached.")
4499                .actions_slot(
4500                    h_flex()
4501                        .gap_0p5()
4502                        .when(supports_burn_mode, |this| {
4503                            this.child(
4504                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4505                                    .style(ButtonStyle::Filled)
4506                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4507                                    .layer(ElevationIndex::ModalSurface)
4508                                    .label_size(LabelSize::Small)
4509                                    .key_binding(
4510                                        KeyBinding::for_action_in(
4511                                            &ContinueWithBurnMode,
4512                                            &focus_handle,
4513                                            window,
4514                                            cx,
4515                                        )
4516                                        .map(|kb| kb.size(rems_from_px(10.))),
4517                                    )
4518                                    .tooltip(Tooltip::text(
4519                                        "Enable Burn Mode for unlimited tool use.",
4520                                    ))
4521                                    .on_click({
4522                                        cx.listener(move |this, _, _window, cx| {
4523                                            thread.update(cx, |thread, cx| {
4524                                                thread
4525                                                    .set_completion_mode(CompletionMode::Burn, cx);
4526                                            });
4527                                            this.resume_chat(cx);
4528                                        })
4529                                    }),
4530                            )
4531                        })
4532                        .child(
4533                            Button::new("continue-conversation", "Continue")
4534                                .layer(ElevationIndex::ModalSurface)
4535                                .label_size(LabelSize::Small)
4536                                .key_binding(
4537                                    KeyBinding::for_action_in(
4538                                        &ContinueThread,
4539                                        &focus_handle,
4540                                        window,
4541                                        cx,
4542                                    )
4543                                    .map(|kb| kb.size(rems_from_px(10.))),
4544                                )
4545                                .on_click(cx.listener(|this, _, _window, cx| {
4546                                    this.resume_chat(cx);
4547                                })),
4548                        ),
4549                ),
4550        )
4551    }
4552
4553    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4554        let message = message.into();
4555
4556        IconButton::new("copy", IconName::Copy)
4557            .icon_size(IconSize::Small)
4558            .icon_color(Color::Muted)
4559            .tooltip(Tooltip::text("Copy Error Message"))
4560            .on_click(move |_, _, cx| {
4561                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4562            })
4563    }
4564
4565    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4566        IconButton::new("dismiss", IconName::Close)
4567            .icon_size(IconSize::Small)
4568            .icon_color(Color::Muted)
4569            .tooltip(Tooltip::text("Dismiss Error"))
4570            .on_click(cx.listener({
4571                move |this, _, _, cx| {
4572                    this.clear_thread_error(cx);
4573                    cx.notify();
4574                }
4575            }))
4576    }
4577
4578    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4579        Button::new("authenticate", "Authenticate")
4580            .label_size(LabelSize::Small)
4581            .style(ButtonStyle::Filled)
4582            .on_click(cx.listener({
4583                move |this, _, window, cx| {
4584                    let agent = this.agent.clone();
4585                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4586                        return;
4587                    };
4588
4589                    let connection = thread.read(cx).connection().clone();
4590                    let err = AuthRequired {
4591                        description: None,
4592                        provider_id: None,
4593                    };
4594                    this.clear_thread_error(cx);
4595                    let this = cx.weak_entity();
4596                    window.defer(cx, |window, cx| {
4597                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4598                    })
4599                }
4600            }))
4601    }
4602
4603    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4604        Button::new("upgrade", "Upgrade")
4605            .label_size(LabelSize::Small)
4606            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4607            .on_click(cx.listener({
4608                move |this, _, _, cx| {
4609                    this.clear_thread_error(cx);
4610                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4611                }
4612            }))
4613    }
4614
4615    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4616        self.thread_state = Self::initial_state(
4617            self.agent.clone(),
4618            None,
4619            self.workspace.clone(),
4620            self.project.clone(),
4621            window,
4622            cx,
4623        );
4624        cx.notify();
4625    }
4626
4627    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4628        let task = match entry {
4629            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4630                history.delete_thread(thread.id.clone(), cx)
4631            }),
4632            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4633                history.delete_text_thread(context.path.clone(), cx)
4634            }),
4635        };
4636        task.detach_and_log_err(cx);
4637    }
4638}
4639
4640impl Focusable for AcpThreadView {
4641    fn focus_handle(&self, cx: &App) -> FocusHandle {
4642        self.message_editor.focus_handle(cx)
4643    }
4644}
4645
4646impl Render for AcpThreadView {
4647    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4648        let has_messages = self.list_state.item_count() > 0;
4649        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4650
4651        v_flex()
4652            .size_full()
4653            .key_context("AcpThread")
4654            .on_action(cx.listener(Self::open_agent_diff))
4655            .on_action(cx.listener(Self::toggle_burn_mode))
4656            .on_action(cx.listener(Self::keep_all))
4657            .on_action(cx.listener(Self::reject_all))
4658            .bg(cx.theme().colors().panel_background)
4659            .child(match &self.thread_state {
4660                ThreadState::Unauthenticated {
4661                    connection,
4662                    description,
4663                    configuration_view,
4664                    pending_auth_method,
4665                    ..
4666                } => self.render_auth_required_state(
4667                    connection,
4668                    description.as_ref(),
4669                    configuration_view.as_ref(),
4670                    pending_auth_method.as_ref(),
4671                    window,
4672                    cx,
4673                ),
4674                ThreadState::Loading { .. } => {
4675                    v_flex().flex_1().child(self.render_empty_state(window, cx))
4676                }
4677                ThreadState::LoadError(e) => v_flex()
4678                    .p_2()
4679                    .flex_1()
4680                    .items_center()
4681                    .justify_center()
4682                    .child(self.render_load_error(e, cx)),
4683                ThreadState::Ready { thread, .. } => {
4684                    let thread_clone = thread.clone();
4685
4686                    v_flex().flex_1().map(|this| {
4687                        if has_messages {
4688                            this.child(
4689                                list(
4690                                    self.list_state.clone(),
4691                                    cx.processor(|this, index: usize, window, cx| {
4692                                        let Some((entry, len)) = this.thread().and_then(|thread| {
4693                                            let entries = &thread.read(cx).entries();
4694                                            Some((entries.get(index)?, entries.len()))
4695                                        }) else {
4696                                            return Empty.into_any();
4697                                        };
4698                                        this.render_entry(index, len, entry, window, cx)
4699                                    }),
4700                                )
4701                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4702                                .flex_grow()
4703                                .into_any(),
4704                            )
4705                            .child(self.render_vertical_scrollbar(cx))
4706                            .children(
4707                                match thread_clone.read(cx).status() {
4708                                    ThreadStatus::Idle
4709                                    | ThreadStatus::WaitingForToolConfirmation => None,
4710                                    ThreadStatus::Generating => div()
4711                                        .py_2()
4712                                        .px(rems_from_px(22.))
4713                                        .child(SpinnerLabel::new().size(LabelSize::Small))
4714                                        .into(),
4715                                },
4716                            )
4717                        } else {
4718                            this.child(self.render_empty_state(window, cx))
4719                        }
4720                    })
4721                }
4722            })
4723            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4724            // above so that the scrollbar doesn't render behind it. The current setup allows
4725            // the scrollbar to stop exactly at the activity bar start.
4726            .when(has_messages, |this| match &self.thread_state {
4727                ThreadState::Ready { thread, .. } => {
4728                    this.children(self.render_activity_bar(thread, window, cx))
4729                }
4730                _ => this,
4731            })
4732            .children(self.render_thread_retry_status_callout(window, cx))
4733            .children(self.render_thread_error(window, cx))
4734            .children(
4735                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4736                    Some(usage_callout.into_any_element())
4737                } else {
4738                    self.render_token_limit_callout(line_height, cx)
4739                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4740                },
4741            )
4742            .child(self.render_message_editor(window, cx))
4743    }
4744}
4745
4746fn default_markdown_style(
4747    buffer_font: bool,
4748    muted_text: bool,
4749    window: &Window,
4750    cx: &App,
4751) -> MarkdownStyle {
4752    let theme_settings = ThemeSettings::get_global(cx);
4753    let colors = cx.theme().colors();
4754
4755    let buffer_font_size = TextSize::Small.rems(cx);
4756
4757    let mut text_style = window.text_style();
4758    let line_height = buffer_font_size * 1.75;
4759
4760    let font_family = if buffer_font {
4761        theme_settings.buffer_font.family.clone()
4762    } else {
4763        theme_settings.ui_font.family.clone()
4764    };
4765
4766    let font_size = if buffer_font {
4767        TextSize::Small.rems(cx)
4768    } else {
4769        TextSize::Default.rems(cx)
4770    };
4771
4772    let text_color = if muted_text {
4773        colors.text_muted
4774    } else {
4775        colors.text
4776    };
4777
4778    text_style.refine(&TextStyleRefinement {
4779        font_family: Some(font_family),
4780        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4781        font_features: Some(theme_settings.ui_font.features.clone()),
4782        font_size: Some(font_size.into()),
4783        line_height: Some(line_height.into()),
4784        color: Some(text_color),
4785        ..Default::default()
4786    });
4787
4788    MarkdownStyle {
4789        base_text_style: text_style.clone(),
4790        syntax: cx.theme().syntax().clone(),
4791        selection_background_color: colors.element_selection_background,
4792        code_block_overflow_x_scroll: true,
4793        table_overflow_x_scroll: true,
4794        heading_level_styles: Some(HeadingLevelStyles {
4795            h1: Some(TextStyleRefinement {
4796                font_size: Some(rems(1.15).into()),
4797                ..Default::default()
4798            }),
4799            h2: Some(TextStyleRefinement {
4800                font_size: Some(rems(1.1).into()),
4801                ..Default::default()
4802            }),
4803            h3: Some(TextStyleRefinement {
4804                font_size: Some(rems(1.05).into()),
4805                ..Default::default()
4806            }),
4807            h4: Some(TextStyleRefinement {
4808                font_size: Some(rems(1.).into()),
4809                ..Default::default()
4810            }),
4811            h5: Some(TextStyleRefinement {
4812                font_size: Some(rems(0.95).into()),
4813                ..Default::default()
4814            }),
4815            h6: Some(TextStyleRefinement {
4816                font_size: Some(rems(0.875).into()),
4817                ..Default::default()
4818            }),
4819        }),
4820        code_block: StyleRefinement {
4821            padding: EdgesRefinement {
4822                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4823                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4824                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4825                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
4826            },
4827            margin: EdgesRefinement {
4828                top: Some(Length::Definite(Pixels(8.).into())),
4829                left: Some(Length::Definite(Pixels(0.).into())),
4830                right: Some(Length::Definite(Pixels(0.).into())),
4831                bottom: Some(Length::Definite(Pixels(12.).into())),
4832            },
4833            border_style: Some(BorderStyle::Solid),
4834            border_widths: EdgesRefinement {
4835                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4836                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4837                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4838                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4839            },
4840            border_color: Some(colors.border_variant),
4841            background: Some(colors.editor_background.into()),
4842            text: Some(TextStyleRefinement {
4843                font_family: Some(theme_settings.buffer_font.family.clone()),
4844                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4845                font_features: Some(theme_settings.buffer_font.features.clone()),
4846                font_size: Some(buffer_font_size.into()),
4847                ..Default::default()
4848            }),
4849            ..Default::default()
4850        },
4851        inline_code: TextStyleRefinement {
4852            font_family: Some(theme_settings.buffer_font.family.clone()),
4853            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4854            font_features: Some(theme_settings.buffer_font.features.clone()),
4855            font_size: Some(buffer_font_size.into()),
4856            background_color: Some(colors.editor_foreground.opacity(0.08)),
4857            ..Default::default()
4858        },
4859        link: TextStyleRefinement {
4860            background_color: Some(colors.editor_foreground.opacity(0.025)),
4861            underline: Some(UnderlineStyle {
4862                color: Some(colors.text_accent.opacity(0.5)),
4863                thickness: px(1.),
4864                ..Default::default()
4865            }),
4866            ..Default::default()
4867        },
4868        ..Default::default()
4869    }
4870}
4871
4872fn plan_label_markdown_style(
4873    status: &acp::PlanEntryStatus,
4874    window: &Window,
4875    cx: &App,
4876) -> MarkdownStyle {
4877    let default_md_style = default_markdown_style(false, false, window, cx);
4878
4879    MarkdownStyle {
4880        base_text_style: TextStyle {
4881            color: cx.theme().colors().text_muted,
4882            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4883                Some(gpui::StrikethroughStyle {
4884                    thickness: px(1.),
4885                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4886                })
4887            } else {
4888                None
4889            },
4890            ..default_md_style.base_text_style
4891        },
4892        ..default_md_style
4893    }
4894}
4895
4896fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4897    let default_md_style = default_markdown_style(true, false, window, cx);
4898
4899    MarkdownStyle {
4900        base_text_style: TextStyle {
4901            ..default_md_style.base_text_style
4902        },
4903        selection_background_color: cx.theme().colors().element_selection_background,
4904        ..Default::default()
4905    }
4906}
4907
4908#[cfg(test)]
4909pub(crate) mod tests {
4910    use acp_thread::StubAgentConnection;
4911    use agent_client_protocol::SessionId;
4912    use assistant_context::ContextStore;
4913    use editor::EditorSettings;
4914    use fs::FakeFs;
4915    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4916    use project::Project;
4917    use serde_json::json;
4918    use settings::SettingsStore;
4919    use std::any::Any;
4920    use std::path::Path;
4921    use workspace::Item;
4922
4923    use super::*;
4924
4925    #[gpui::test]
4926    async fn test_drop(cx: &mut TestAppContext) {
4927        init_test(cx);
4928
4929        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4930        let weak_view = thread_view.downgrade();
4931        drop(thread_view);
4932        assert!(!weak_view.is_upgradable());
4933    }
4934
4935    #[gpui::test]
4936    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4937        init_test(cx);
4938
4939        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4940
4941        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4942        message_editor.update_in(cx, |editor, window, cx| {
4943            editor.set_text("Hello", window, cx);
4944        });
4945
4946        cx.deactivate_window();
4947
4948        thread_view.update_in(cx, |thread_view, window, cx| {
4949            thread_view.send(window, cx);
4950        });
4951
4952        cx.run_until_parked();
4953
4954        assert!(
4955            cx.windows()
4956                .iter()
4957                .any(|window| window.downcast::<AgentNotification>().is_some())
4958        );
4959    }
4960
4961    #[gpui::test]
4962    async fn test_notification_for_error(cx: &mut TestAppContext) {
4963        init_test(cx);
4964
4965        let (thread_view, cx) =
4966            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4967
4968        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4969        message_editor.update_in(cx, |editor, window, cx| {
4970            editor.set_text("Hello", window, cx);
4971        });
4972
4973        cx.deactivate_window();
4974
4975        thread_view.update_in(cx, |thread_view, window, cx| {
4976            thread_view.send(window, cx);
4977        });
4978
4979        cx.run_until_parked();
4980
4981        assert!(
4982            cx.windows()
4983                .iter()
4984                .any(|window| window.downcast::<AgentNotification>().is_some())
4985        );
4986    }
4987
4988    #[gpui::test]
4989    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4990        init_test(cx);
4991
4992        let tool_call_id = acp::ToolCallId("1".into());
4993        let tool_call = acp::ToolCall {
4994            id: tool_call_id.clone(),
4995            title: "Label".into(),
4996            kind: acp::ToolKind::Edit,
4997            status: acp::ToolCallStatus::Pending,
4998            content: vec!["hi".into()],
4999            locations: vec![],
5000            raw_input: None,
5001            raw_output: None,
5002        };
5003        let connection =
5004            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5005                tool_call_id,
5006                vec![acp::PermissionOption {
5007                    id: acp::PermissionOptionId("1".into()),
5008                    name: "Allow".into(),
5009                    kind: acp::PermissionOptionKind::AllowOnce,
5010                }],
5011            )]));
5012
5013        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5014
5015        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5016
5017        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5018        message_editor.update_in(cx, |editor, window, cx| {
5019            editor.set_text("Hello", window, cx);
5020        });
5021
5022        cx.deactivate_window();
5023
5024        thread_view.update_in(cx, |thread_view, window, cx| {
5025            thread_view.send(window, cx);
5026        });
5027
5028        cx.run_until_parked();
5029
5030        assert!(
5031            cx.windows()
5032                .iter()
5033                .any(|window| window.downcast::<AgentNotification>().is_some())
5034        );
5035    }
5036
5037    async fn setup_thread_view(
5038        agent: impl AgentServer + 'static,
5039        cx: &mut TestAppContext,
5040    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5041        let fs = FakeFs::new(cx.executor());
5042        let project = Project::test(fs, [], cx).await;
5043        let (workspace, cx) =
5044            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5045
5046        let context_store =
5047            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5048        let history_store =
5049            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5050
5051        let thread_view = cx.update(|window, cx| {
5052            cx.new(|cx| {
5053                AcpThreadView::new(
5054                    Rc::new(agent),
5055                    None,
5056                    None,
5057                    workspace.downgrade(),
5058                    project,
5059                    history_store,
5060                    None,
5061                    window,
5062                    cx,
5063                )
5064            })
5065        });
5066        cx.run_until_parked();
5067        (thread_view, cx)
5068    }
5069
5070    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5071        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5072
5073        workspace
5074            .update_in(cx, |workspace, window, cx| {
5075                workspace.add_item_to_active_pane(
5076                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5077                    None,
5078                    true,
5079                    window,
5080                    cx,
5081                );
5082            })
5083            .unwrap();
5084    }
5085
5086    struct ThreadViewItem(Entity<AcpThreadView>);
5087
5088    impl Item for ThreadViewItem {
5089        type Event = ();
5090
5091        fn include_in_nav_history() -> bool {
5092            false
5093        }
5094
5095        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5096            "Test".into()
5097        }
5098    }
5099
5100    impl EventEmitter<()> for ThreadViewItem {}
5101
5102    impl Focusable for ThreadViewItem {
5103        fn focus_handle(&self, cx: &App) -> FocusHandle {
5104            self.0.read(cx).focus_handle(cx)
5105        }
5106    }
5107
5108    impl Render for ThreadViewItem {
5109        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5110            self.0.clone().into_any_element()
5111        }
5112    }
5113
5114    struct StubAgentServer<C> {
5115        connection: C,
5116    }
5117
5118    impl<C> StubAgentServer<C> {
5119        fn new(connection: C) -> Self {
5120            Self { connection }
5121        }
5122    }
5123
5124    impl StubAgentServer<StubAgentConnection> {
5125        fn default_response() -> Self {
5126            let conn = StubAgentConnection::new();
5127            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5128                content: "Default response".into(),
5129            }]);
5130            Self::new(conn)
5131        }
5132    }
5133
5134    impl<C> AgentServer for StubAgentServer<C>
5135    where
5136        C: 'static + AgentConnection + Send + Clone,
5137    {
5138        fn logo(&self) -> ui::IconName {
5139            ui::IconName::Ai
5140        }
5141
5142        fn name(&self) -> &'static str {
5143            "Test"
5144        }
5145
5146        fn empty_state_headline(&self) -> &'static str {
5147            "Test"
5148        }
5149
5150        fn empty_state_message(&self) -> &'static str {
5151            "Test"
5152        }
5153
5154        fn connect(
5155            &self,
5156            _root_dir: &Path,
5157            _project: &Entity<Project>,
5158            _cx: &mut App,
5159        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5160            Task::ready(Ok(Rc::new(self.connection.clone())))
5161        }
5162
5163        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5164            self
5165        }
5166    }
5167
5168    #[derive(Clone)]
5169    struct SaboteurAgentConnection;
5170
5171    impl AgentConnection for SaboteurAgentConnection {
5172        fn new_thread(
5173            self: Rc<Self>,
5174            project: Entity<Project>,
5175            _cwd: &Path,
5176            cx: &mut gpui::App,
5177        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5178            Task::ready(Ok(cx.new(|cx| {
5179                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5180                AcpThread::new(
5181                    "SaboteurAgentConnection",
5182                    self,
5183                    project,
5184                    action_log,
5185                    SessionId("test".into()),
5186                )
5187            })))
5188        }
5189
5190        fn auth_methods(&self) -> &[acp::AuthMethod] {
5191            &[]
5192        }
5193
5194        fn prompt_capabilities(&self) -> acp::PromptCapabilities {
5195            acp::PromptCapabilities {
5196                image: true,
5197                audio: true,
5198                embedded_context: true,
5199            }
5200        }
5201
5202        fn authenticate(
5203            &self,
5204            _method_id: acp::AuthMethodId,
5205            _cx: &mut App,
5206        ) -> Task<gpui::Result<()>> {
5207            unimplemented!()
5208        }
5209
5210        fn prompt(
5211            &self,
5212            _id: Option<acp_thread::UserMessageId>,
5213            _params: acp::PromptRequest,
5214            _cx: &mut App,
5215        ) -> Task<gpui::Result<acp::PromptResponse>> {
5216            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5217        }
5218
5219        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5220            unimplemented!()
5221        }
5222
5223        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5224            self
5225        }
5226    }
5227
5228    pub(crate) fn init_test(cx: &mut TestAppContext) {
5229        cx.update(|cx| {
5230            let settings_store = SettingsStore::test(cx);
5231            cx.set_global(settings_store);
5232            language::init(cx);
5233            Project::init_settings(cx);
5234            AgentSettings::register(cx);
5235            workspace::init_settings(cx);
5236            ThemeSettings::register(cx);
5237            release_channel::init(SemanticVersion::default(), cx);
5238            EditorSettings::register(cx);
5239            prompt_store::init(cx)
5240        });
5241    }
5242
5243    #[gpui::test]
5244    async fn test_rewind_views(cx: &mut TestAppContext) {
5245        init_test(cx);
5246
5247        let fs = FakeFs::new(cx.executor());
5248        fs.insert_tree(
5249            "/project",
5250            json!({
5251                "test1.txt": "old content 1",
5252                "test2.txt": "old content 2"
5253            }),
5254        )
5255        .await;
5256        let project = Project::test(fs, [Path::new("/project")], cx).await;
5257        let (workspace, cx) =
5258            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5259
5260        let context_store =
5261            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5262        let history_store =
5263            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5264
5265        let connection = Rc::new(StubAgentConnection::new());
5266        let thread_view = cx.update(|window, cx| {
5267            cx.new(|cx| {
5268                AcpThreadView::new(
5269                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5270                    None,
5271                    None,
5272                    workspace.downgrade(),
5273                    project.clone(),
5274                    history_store.clone(),
5275                    None,
5276                    window,
5277                    cx,
5278                )
5279            })
5280        });
5281
5282        cx.run_until_parked();
5283
5284        let thread = thread_view
5285            .read_with(cx, |view, _| view.thread().cloned())
5286            .unwrap();
5287
5288        // First user message
5289        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5290            id: acp::ToolCallId("tool1".into()),
5291            title: "Edit file 1".into(),
5292            kind: acp::ToolKind::Edit,
5293            status: acp::ToolCallStatus::Completed,
5294            content: vec![acp::ToolCallContent::Diff {
5295                diff: acp::Diff {
5296                    path: "/project/test1.txt".into(),
5297                    old_text: Some("old content 1".into()),
5298                    new_text: "new content 1".into(),
5299                },
5300            }],
5301            locations: vec![],
5302            raw_input: None,
5303            raw_output: None,
5304        })]);
5305
5306        thread
5307            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5308            .await
5309            .unwrap();
5310        cx.run_until_parked();
5311
5312        thread.read_with(cx, |thread, _| {
5313            assert_eq!(thread.entries().len(), 2);
5314        });
5315
5316        thread_view.read_with(cx, |view, cx| {
5317            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5318                assert!(
5319                    entry_view_state
5320                        .entry(0)
5321                        .unwrap()
5322                        .message_editor()
5323                        .is_some()
5324                );
5325                assert!(entry_view_state.entry(1).unwrap().has_content());
5326            });
5327        });
5328
5329        // Second user message
5330        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5331            id: acp::ToolCallId("tool2".into()),
5332            title: "Edit file 2".into(),
5333            kind: acp::ToolKind::Edit,
5334            status: acp::ToolCallStatus::Completed,
5335            content: vec![acp::ToolCallContent::Diff {
5336                diff: acp::Diff {
5337                    path: "/project/test2.txt".into(),
5338                    old_text: Some("old content 2".into()),
5339                    new_text: "new content 2".into(),
5340                },
5341            }],
5342            locations: vec![],
5343            raw_input: None,
5344            raw_output: None,
5345        })]);
5346
5347        thread
5348            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5349            .await
5350            .unwrap();
5351        cx.run_until_parked();
5352
5353        let second_user_message_id = thread.read_with(cx, |thread, _| {
5354            assert_eq!(thread.entries().len(), 4);
5355            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5356                panic!();
5357            };
5358            user_message.id.clone().unwrap()
5359        });
5360
5361        thread_view.read_with(cx, |view, cx| {
5362            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5363                assert!(
5364                    entry_view_state
5365                        .entry(0)
5366                        .unwrap()
5367                        .message_editor()
5368                        .is_some()
5369                );
5370                assert!(entry_view_state.entry(1).unwrap().has_content());
5371                assert!(
5372                    entry_view_state
5373                        .entry(2)
5374                        .unwrap()
5375                        .message_editor()
5376                        .is_some()
5377                );
5378                assert!(entry_view_state.entry(3).unwrap().has_content());
5379            });
5380        });
5381
5382        // Rewind to first message
5383        thread
5384            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5385            .await
5386            .unwrap();
5387
5388        cx.run_until_parked();
5389
5390        thread.read_with(cx, |thread, _| {
5391            assert_eq!(thread.entries().len(), 2);
5392        });
5393
5394        thread_view.read_with(cx, |view, cx| {
5395            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5396                assert!(
5397                    entry_view_state
5398                        .entry(0)
5399                        .unwrap()
5400                        .message_editor()
5401                        .is_some()
5402                );
5403                assert!(entry_view_state.entry(1).unwrap().has_content());
5404
5405                // Old views should be dropped
5406                assert!(entry_view_state.entry(2).is_none());
5407                assert!(entry_view_state.entry(3).is_none());
5408            });
5409        });
5410    }
5411
5412    #[gpui::test]
5413    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5414        init_test(cx);
5415
5416        let connection = StubAgentConnection::new();
5417
5418        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5419            content: acp::ContentBlock::Text(acp::TextContent {
5420                text: "Response".into(),
5421                annotations: None,
5422            }),
5423        }]);
5424
5425        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5426        add_to_workspace(thread_view.clone(), cx);
5427
5428        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5429        message_editor.update_in(cx, |editor, window, cx| {
5430            editor.set_text("Original message to edit", window, cx);
5431        });
5432        thread_view.update_in(cx, |thread_view, window, cx| {
5433            thread_view.send(window, cx);
5434        });
5435
5436        cx.run_until_parked();
5437
5438        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5439            assert_eq!(view.editing_message, None);
5440
5441            view.entry_view_state
5442                .read(cx)
5443                .entry(0)
5444                .unwrap()
5445                .message_editor()
5446                .unwrap()
5447                .clone()
5448        });
5449
5450        // Focus
5451        cx.focus(&user_message_editor);
5452        thread_view.read_with(cx, |view, _cx| {
5453            assert_eq!(view.editing_message, Some(0));
5454        });
5455
5456        // Edit
5457        user_message_editor.update_in(cx, |editor, window, cx| {
5458            editor.set_text("Edited message content", window, cx);
5459        });
5460
5461        // Cancel
5462        user_message_editor.update_in(cx, |_editor, window, cx| {
5463            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5464        });
5465
5466        thread_view.read_with(cx, |view, _cx| {
5467            assert_eq!(view.editing_message, None);
5468        });
5469
5470        user_message_editor.read_with(cx, |editor, cx| {
5471            assert_eq!(editor.text(cx), "Original message to edit");
5472        });
5473    }
5474
5475    #[gpui::test]
5476    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5477        init_test(cx);
5478
5479        let connection = StubAgentConnection::new();
5480
5481        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5482        add_to_workspace(thread_view.clone(), cx);
5483
5484        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5485        let mut events = cx.events(&message_editor);
5486        message_editor.update_in(cx, |editor, window, cx| {
5487            editor.set_text("", window, cx);
5488        });
5489
5490        message_editor.update_in(cx, |_editor, window, cx| {
5491            window.dispatch_action(Box::new(Chat), cx);
5492        });
5493        cx.run_until_parked();
5494        // We shouldn't have received any messages
5495        assert!(matches!(
5496            events.try_next(),
5497            Err(futures::channel::mpsc::TryRecvError { .. })
5498        ));
5499    }
5500
5501    #[gpui::test]
5502    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5503        init_test(cx);
5504
5505        let connection = StubAgentConnection::new();
5506
5507        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5508            content: acp::ContentBlock::Text(acp::TextContent {
5509                text: "Response".into(),
5510                annotations: None,
5511            }),
5512        }]);
5513
5514        let (thread_view, cx) =
5515            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5516        add_to_workspace(thread_view.clone(), cx);
5517
5518        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5519        message_editor.update_in(cx, |editor, window, cx| {
5520            editor.set_text("Original message to edit", window, cx);
5521        });
5522        thread_view.update_in(cx, |thread_view, window, cx| {
5523            thread_view.send(window, cx);
5524        });
5525
5526        cx.run_until_parked();
5527
5528        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5529            assert_eq!(view.editing_message, None);
5530            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5531
5532            view.entry_view_state
5533                .read(cx)
5534                .entry(0)
5535                .unwrap()
5536                .message_editor()
5537                .unwrap()
5538                .clone()
5539        });
5540
5541        // Focus
5542        cx.focus(&user_message_editor);
5543
5544        // Edit
5545        user_message_editor.update_in(cx, |editor, window, cx| {
5546            editor.set_text("Edited message content", window, cx);
5547        });
5548
5549        // Send
5550        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5551            content: acp::ContentBlock::Text(acp::TextContent {
5552                text: "New Response".into(),
5553                annotations: None,
5554            }),
5555        }]);
5556
5557        user_message_editor.update_in(cx, |_editor, window, cx| {
5558            window.dispatch_action(Box::new(Chat), cx);
5559        });
5560
5561        cx.run_until_parked();
5562
5563        thread_view.read_with(cx, |view, cx| {
5564            assert_eq!(view.editing_message, None);
5565
5566            let entries = view.thread().unwrap().read(cx).entries();
5567            assert_eq!(entries.len(), 2);
5568            assert_eq!(
5569                entries[0].to_markdown(cx),
5570                "## User\n\nEdited message content\n\n"
5571            );
5572            assert_eq!(
5573                entries[1].to_markdown(cx),
5574                "## Assistant\n\nNew Response\n\n"
5575            );
5576
5577            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5578                assert!(!state.entry(1).unwrap().has_content());
5579                state.entry(0).unwrap().message_editor().unwrap().clone()
5580            });
5581
5582            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5583        })
5584    }
5585
5586    #[gpui::test]
5587    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5588        init_test(cx);
5589
5590        let connection = StubAgentConnection::new();
5591
5592        let (thread_view, cx) =
5593            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5594        add_to_workspace(thread_view.clone(), cx);
5595
5596        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5597        message_editor.update_in(cx, |editor, window, cx| {
5598            editor.set_text("Original message to edit", window, cx);
5599        });
5600        thread_view.update_in(cx, |thread_view, window, cx| {
5601            thread_view.send(window, cx);
5602        });
5603
5604        cx.run_until_parked();
5605
5606        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5607            let thread = view.thread().unwrap().read(cx);
5608            assert_eq!(thread.entries().len(), 1);
5609
5610            let editor = view
5611                .entry_view_state
5612                .read(cx)
5613                .entry(0)
5614                .unwrap()
5615                .message_editor()
5616                .unwrap()
5617                .clone();
5618
5619            (editor, thread.session_id().clone())
5620        });
5621
5622        // Focus
5623        cx.focus(&user_message_editor);
5624
5625        thread_view.read_with(cx, |view, _cx| {
5626            assert_eq!(view.editing_message, Some(0));
5627        });
5628
5629        // Edit
5630        user_message_editor.update_in(cx, |editor, window, cx| {
5631            editor.set_text("Edited message content", window, cx);
5632        });
5633
5634        thread_view.read_with(cx, |view, _cx| {
5635            assert_eq!(view.editing_message, Some(0));
5636        });
5637
5638        // Finish streaming response
5639        cx.update(|_, cx| {
5640            connection.send_update(
5641                session_id.clone(),
5642                acp::SessionUpdate::AgentMessageChunk {
5643                    content: acp::ContentBlock::Text(acp::TextContent {
5644                        text: "Response".into(),
5645                        annotations: None,
5646                    }),
5647                },
5648                cx,
5649            );
5650            connection.end_turn(session_id, acp::StopReason::EndTurn);
5651        });
5652
5653        thread_view.read_with(cx, |view, _cx| {
5654            assert_eq!(view.editing_message, Some(0));
5655        });
5656
5657        cx.run_until_parked();
5658
5659        // Should still be editing
5660        cx.update(|window, cx| {
5661            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5662            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5663            assert_eq!(
5664                user_message_editor.read(cx).text(cx),
5665                "Edited message content"
5666            );
5667        });
5668    }
5669
5670    #[gpui::test]
5671    async fn test_interrupt(cx: &mut TestAppContext) {
5672        init_test(cx);
5673
5674        let connection = StubAgentConnection::new();
5675
5676        let (thread_view, cx) =
5677            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5678        add_to_workspace(thread_view.clone(), cx);
5679
5680        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5681        message_editor.update_in(cx, |editor, window, cx| {
5682            editor.set_text("Message 1", window, cx);
5683        });
5684        thread_view.update_in(cx, |thread_view, window, cx| {
5685            thread_view.send(window, cx);
5686        });
5687
5688        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5689            let thread = view.thread().unwrap();
5690
5691            (thread.clone(), thread.read(cx).session_id().clone())
5692        });
5693
5694        cx.run_until_parked();
5695
5696        cx.update(|_, cx| {
5697            connection.send_update(
5698                session_id.clone(),
5699                acp::SessionUpdate::AgentMessageChunk {
5700                    content: "Message 1 resp".into(),
5701                },
5702                cx,
5703            );
5704        });
5705
5706        cx.run_until_parked();
5707
5708        thread.read_with(cx, |thread, cx| {
5709            assert_eq!(
5710                thread.to_markdown(cx),
5711                indoc::indoc! {"
5712                    ## User
5713
5714                    Message 1
5715
5716                    ## Assistant
5717
5718                    Message 1 resp
5719
5720                "}
5721            )
5722        });
5723
5724        message_editor.update_in(cx, |editor, window, cx| {
5725            editor.set_text("Message 2", window, cx);
5726        });
5727        thread_view.update_in(cx, |thread_view, window, cx| {
5728            thread_view.send(window, cx);
5729        });
5730
5731        cx.update(|_, cx| {
5732            // Simulate a response sent after beginning to cancel
5733            connection.send_update(
5734                session_id.clone(),
5735                acp::SessionUpdate::AgentMessageChunk {
5736                    content: "onse".into(),
5737                },
5738                cx,
5739            );
5740        });
5741
5742        cx.run_until_parked();
5743
5744        // Last Message 1 response should appear before Message 2
5745        thread.read_with(cx, |thread, cx| {
5746            assert_eq!(
5747                thread.to_markdown(cx),
5748                indoc::indoc! {"
5749                    ## User
5750
5751                    Message 1
5752
5753                    ## Assistant
5754
5755                    Message 1 response
5756
5757                    ## User
5758
5759                    Message 2
5760
5761                "}
5762            )
5763        });
5764
5765        cx.update(|_, cx| {
5766            connection.send_update(
5767                session_id.clone(),
5768                acp::SessionUpdate::AgentMessageChunk {
5769                    content: "Message 2 response".into(),
5770                },
5771                cx,
5772            );
5773            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5774        });
5775
5776        cx.run_until_parked();
5777
5778        thread.read_with(cx, |thread, cx| {
5779            assert_eq!(
5780                thread.to_markdown(cx),
5781                indoc::indoc! {"
5782                    ## User
5783
5784                    Message 1
5785
5786                    ## Assistant
5787
5788                    Message 1 response
5789
5790                    ## User
5791
5792                    Message 2
5793
5794                    ## Assistant
5795
5796                    Message 2 response
5797
5798                "}
5799            )
5800        });
5801    }
5802}