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::path::Path;
  39use std::sync::Arc;
  40use std::time::Instant;
  41use std::{collections::BTreeMap, rc::Rc, time::Duration};
  42use text::Anchor;
  43use theme::ThemeSettings;
  44use ui::{
  45    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  46    Scrollbar, ScrollbarState, SpinnerLabel, Tooltip, prelude::*,
  47};
  48use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  49use workspace::{CollaboratorId, Workspace};
  50use zed_actions::agent::{Chat, ToggleModelSelector};
  51use zed_actions::assistant::OpenRulesLibrary;
  52
  53use super::entry_view_state::EntryViewState;
  54use crate::acp::AcpModelSelectorPopover;
  55use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  56use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  57use crate::agent_diff::AgentDiff;
  58use crate::profile_selector::{ProfileProvider, ProfileSelector};
  59
  60use crate::ui::preview::UsageCallout;
  61use crate::ui::{
  62    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  63};
  64use crate::{
  65    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  66    KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  67};
  68
  69const RESPONSE_PADDING_X: Pixels = px(19.);
  70pub const MIN_EDITOR_LINES: usize = 4;
  71pub const MAX_EDITOR_LINES: usize = 8;
  72
  73#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  74enum ThreadFeedback {
  75    Positive,
  76    Negative,
  77}
  78
  79enum ThreadError {
  80    PaymentRequired,
  81    ModelRequestLimitReached(cloud_llm_client::Plan),
  82    ToolUseLimitReached,
  83    AuthenticationRequired(SharedString),
  84    Other(SharedString),
  85}
  86
  87impl ThreadError {
  88    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  89        if error.is::<language_model::PaymentRequiredError>() {
  90            Self::PaymentRequired
  91        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  92            Self::ToolUseLimitReached
  93        } else if let Some(error) =
  94            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  95        {
  96            Self::ModelRequestLimitReached(error.plan)
  97        } else {
  98            let string = error.to_string();
  99            // TODO: we should have Gemini return better errors here.
 100            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 101                && string.contains("Could not load the default credentials")
 102                || string.contains("API key not valid")
 103                || string.contains("Request had invalid authentication credentials")
 104            {
 105                Self::AuthenticationRequired(string.into())
 106            } else {
 107                Self::Other(error.to_string().into())
 108            }
 109        }
 110    }
 111}
 112
 113impl ProfileProvider for Entity<agent2::Thread> {
 114    fn profile_id(&self, cx: &App) -> AgentProfileId {
 115        self.read(cx).profile().clone()
 116    }
 117
 118    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 119        self.update(cx, |thread, _cx| {
 120            thread.set_profile(profile_id);
 121        });
 122    }
 123
 124    fn profiles_supported(&self, cx: &App) -> bool {
 125        self.read(cx)
 126            .model()
 127            .is_some_and(|model| model.supports_tools())
 128    }
 129}
 130
 131#[derive(Default)]
 132struct ThreadFeedbackState {
 133    feedback: Option<ThreadFeedback>,
 134    comments_editor: Option<Entity<Editor>>,
 135}
 136
 137impl ThreadFeedbackState {
 138    pub fn submit(
 139        &mut self,
 140        thread: Entity<AcpThread>,
 141        feedback: ThreadFeedback,
 142        window: &mut Window,
 143        cx: &mut App,
 144    ) {
 145        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 146            return;
 147        };
 148
 149        if self.feedback == Some(feedback) {
 150            return;
 151        }
 152
 153        self.feedback = Some(feedback);
 154        match feedback {
 155            ThreadFeedback::Positive => {
 156                self.comments_editor = None;
 157            }
 158            ThreadFeedback::Negative => {
 159                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 160            }
 161        }
 162        let session_id = thread.read(cx).session_id().clone();
 163        let agent_name = telemetry.agent_name();
 164        let task = telemetry.thread_data(&session_id, cx);
 165        let rating = match feedback {
 166            ThreadFeedback::Positive => "positive",
 167            ThreadFeedback::Negative => "negative",
 168        };
 169        cx.background_spawn(async move {
 170            let thread = task.await?;
 171            telemetry::event!(
 172                "Agent Thread Rated",
 173                session_id = session_id,
 174                rating = rating,
 175                agent = agent_name,
 176                thread = thread
 177            );
 178            anyhow::Ok(())
 179        })
 180        .detach_and_log_err(cx);
 181    }
 182
 183    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 184        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 185            return;
 186        };
 187
 188        let Some(comments) = self
 189            .comments_editor
 190            .as_ref()
 191            .map(|editor| editor.read(cx).text(cx))
 192            .filter(|text| !text.trim().is_empty())
 193        else {
 194            return;
 195        };
 196
 197        self.comments_editor.take();
 198
 199        let session_id = thread.read(cx).session_id().clone();
 200        let agent_name = telemetry.agent_name();
 201        let task = telemetry.thread_data(&session_id, cx);
 202        cx.background_spawn(async move {
 203            let thread = task.await?;
 204            telemetry::event!(
 205                "Agent Thread Feedback Comments",
 206                session_id = session_id,
 207                comments = comments,
 208                agent = agent_name,
 209                thread = thread
 210            );
 211            anyhow::Ok(())
 212        })
 213        .detach_and_log_err(cx);
 214    }
 215
 216    pub fn clear(&mut self) {
 217        *self = Self::default()
 218    }
 219
 220    pub fn dismiss_comments(&mut self) {
 221        self.comments_editor.take();
 222    }
 223
 224    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 225        let buffer = cx.new(|cx| {
 226            let empty_string = String::new();
 227            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 228        });
 229
 230        let editor = cx.new(|cx| {
 231            let mut editor = Editor::new(
 232                editor::EditorMode::AutoHeight {
 233                    min_lines: 1,
 234                    max_lines: Some(4),
 235                },
 236                buffer,
 237                None,
 238                window,
 239                cx,
 240            );
 241            editor.set_placeholder_text(
 242                "What went wrong? Share your feedback so we can improve.",
 243                cx,
 244            );
 245            editor
 246        });
 247
 248        editor.read(cx).focus_handle(cx).focus(window);
 249        editor
 250    }
 251}
 252
 253pub struct AcpThreadView {
 254    agent: Rc<dyn AgentServer>,
 255    workspace: WeakEntity<Workspace>,
 256    project: Entity<Project>,
 257    thread_state: ThreadState,
 258    history_store: Entity<HistoryStore>,
 259    hovered_recent_history_item: Option<usize>,
 260    entry_view_state: Entity<EntryViewState>,
 261    message_editor: Entity<MessageEditor>,
 262    focus_handle: FocusHandle,
 263    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 264    profile_selector: Option<Entity<ProfileSelector>>,
 265    notifications: Vec<WindowHandle<AgentNotification>>,
 266    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 267    thread_retry_status: Option<RetryStatus>,
 268    thread_error: Option<ThreadError>,
 269    thread_feedback: ThreadFeedbackState,
 270    list_state: ListState,
 271    scrollbar_state: ScrollbarState,
 272    auth_task: Option<Task<()>>,
 273    expanded_tool_calls: HashSet<acp::ToolCallId>,
 274    expanded_thinking_blocks: HashSet<(usize, usize)>,
 275    edits_expanded: bool,
 276    plan_expanded: bool,
 277    editor_expanded: bool,
 278    should_be_following: bool,
 279    editing_message: Option<usize>,
 280    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 281    is_loading_contents: bool,
 282    _cancel_task: Option<Task<()>>,
 283    _subscriptions: [Subscription; 3],
 284}
 285
 286enum ThreadState {
 287    Loading {
 288        _task: Task<()>,
 289    },
 290    Ready {
 291        thread: Entity<AcpThread>,
 292        title_editor: Option<Entity<Editor>>,
 293        _subscriptions: Vec<Subscription>,
 294    },
 295    LoadError(LoadError),
 296    Unauthenticated {
 297        connection: Rc<dyn AgentConnection>,
 298        description: Option<Entity<Markdown>>,
 299        configuration_view: Option<AnyView>,
 300        pending_auth_method: Option<acp::AuthMethodId>,
 301        _subscription: Option<Subscription>,
 302    },
 303}
 304
 305impl AcpThreadView {
 306    pub fn new(
 307        agent: Rc<dyn AgentServer>,
 308        resume_thread: Option<DbThreadMetadata>,
 309        summarize_thread: Option<DbThreadMetadata>,
 310        workspace: WeakEntity<Workspace>,
 311        project: Entity<Project>,
 312        history_store: Entity<HistoryStore>,
 313        prompt_store: Option<Entity<PromptStore>>,
 314        window: &mut Window,
 315        cx: &mut Context<Self>,
 316    ) -> Self {
 317        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 318        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 319
 320        let placeholder = if agent.name() == "Zed Agent" {
 321            format!("Message the {} — @ to include context", agent.name())
 322        } else {
 323            format!("Message {} — @ to include context", agent.name())
 324        };
 325
 326        let message_editor = cx.new(|cx| {
 327            let mut editor = MessageEditor::new(
 328                workspace.clone(),
 329                project.clone(),
 330                history_store.clone(),
 331                prompt_store.clone(),
 332                prompt_capabilities.clone(),
 333                placeholder,
 334                prevent_slash_commands,
 335                editor::EditorMode::AutoHeight {
 336                    min_lines: MIN_EDITOR_LINES,
 337                    max_lines: Some(MAX_EDITOR_LINES),
 338                },
 339                window,
 340                cx,
 341            );
 342            if let Some(entry) = summarize_thread {
 343                editor.insert_thread_summary(entry, window, cx);
 344            }
 345            editor
 346        });
 347
 348        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 349
 350        let entry_view_state = cx.new(|_| {
 351            EntryViewState::new(
 352                workspace.clone(),
 353                project.clone(),
 354                history_store.clone(),
 355                prompt_store.clone(),
 356                prompt_capabilities.clone(),
 357                prevent_slash_commands,
 358            )
 359        });
 360
 361        let subscriptions = [
 362            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 363            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 364            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 365        ];
 366
 367        Self {
 368            agent: agent.clone(),
 369            workspace: workspace.clone(),
 370            project: project.clone(),
 371            entry_view_state,
 372            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 373            message_editor,
 374            model_selector: None,
 375            profile_selector: None,
 376            notifications: Vec::new(),
 377            notification_subscriptions: HashMap::default(),
 378            list_state: list_state.clone(),
 379            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 380            thread_retry_status: None,
 381            thread_error: None,
 382            thread_feedback: Default::default(),
 383            auth_task: None,
 384            expanded_tool_calls: HashSet::default(),
 385            expanded_thinking_blocks: HashSet::default(),
 386            editing_message: None,
 387            edits_expanded: false,
 388            plan_expanded: false,
 389            editor_expanded: false,
 390            should_be_following: false,
 391            history_store,
 392            hovered_recent_history_item: None,
 393            prompt_capabilities,
 394            is_loading_contents: false,
 395            _subscriptions: subscriptions,
 396            _cancel_task: None,
 397            focus_handle: cx.focus_handle(),
 398        }
 399    }
 400
 401    fn initial_state(
 402        agent: Rc<dyn AgentServer>,
 403        resume_thread: Option<DbThreadMetadata>,
 404        workspace: WeakEntity<Workspace>,
 405        project: Entity<Project>,
 406        window: &mut Window,
 407        cx: &mut Context<Self>,
 408    ) -> ThreadState {
 409        let root_dir = project
 410            .read(cx)
 411            .visible_worktrees(cx)
 412            .next()
 413            .map(|worktree| worktree.read(cx).abs_path())
 414            .unwrap_or_else(|| paths::home_dir().as_path().into());
 415
 416        let connect_task = agent.connect(&root_dir, &project, cx);
 417        let load_task = cx.spawn_in(window, async move |this, cx| {
 418            let connection = match connect_task.await {
 419                Ok(connection) => connection,
 420                Err(err) => {
 421                    this.update_in(cx, |this, window, cx| {
 422                        if err.downcast_ref::<LoadError>().is_some() {
 423                            this.handle_load_error(err, window, cx);
 424                        } else {
 425                            this.handle_thread_error(err, cx);
 426                        }
 427                        cx.notify();
 428                    })
 429                    .log_err();
 430                    return;
 431                }
 432            };
 433
 434            let result = if let Some(native_agent) = connection
 435                .clone()
 436                .downcast::<agent2::NativeAgentConnection>()
 437                && let Some(resume) = resume_thread.clone()
 438            {
 439                cx.update(|_, cx| {
 440                    native_agent
 441                        .0
 442                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 443                })
 444                .log_err()
 445            } else {
 446                cx.update(|_, cx| {
 447                    connection
 448                        .clone()
 449                        .new_thread(project.clone(), &root_dir, cx)
 450                })
 451                .log_err()
 452            };
 453
 454            let Some(result) = result else {
 455                return;
 456            };
 457
 458            let result = match result.await {
 459                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 460                    Ok(err) => {
 461                        cx.update(|window, cx| {
 462                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 463                        })
 464                        .log_err();
 465                        return;
 466                    }
 467                    Err(err) => Err(err),
 468                },
 469                Ok(thread) => Ok(thread),
 470            };
 471
 472            this.update_in(cx, |this, window, cx| {
 473                match result {
 474                    Ok(thread) => {
 475                        let action_log = thread.read(cx).action_log().clone();
 476
 477                        this.prompt_capabilities
 478                            .set(thread.read(cx).prompt_capabilities());
 479
 480                        let count = thread.read(cx).entries().len();
 481                        this.list_state.splice(0..0, count);
 482                        this.entry_view_state.update(cx, |view_state, cx| {
 483                            for ix in 0..count {
 484                                view_state.sync_entry(ix, &thread, window, cx);
 485                            }
 486                        });
 487
 488                        if let Some(resume) = resume_thread {
 489                            this.history_store.update(cx, |history, cx| {
 490                                history.push_recently_opened_entry(
 491                                    HistoryEntryId::AcpThread(resume.id),
 492                                    cx,
 493                                );
 494                            });
 495                        }
 496
 497                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 498
 499                        this.model_selector =
 500                            thread
 501                                .read(cx)
 502                                .connection()
 503                                .model_selector()
 504                                .map(|selector| {
 505                                    cx.new(|cx| {
 506                                        AcpModelSelectorPopover::new(
 507                                            thread.read(cx).session_id().clone(),
 508                                            selector,
 509                                            PopoverMenuHandle::default(),
 510                                            this.focus_handle(cx),
 511                                            window,
 512                                            cx,
 513                                        )
 514                                    })
 515                                });
 516
 517                        let mut subscriptions = vec![
 518                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 519                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 520                        ];
 521
 522                        let title_editor =
 523                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 524                                let editor = cx.new(|cx| {
 525                                    let mut editor = Editor::single_line(window, cx);
 526                                    editor.set_text(thread.read(cx).title(), window, cx);
 527                                    editor
 528                                });
 529                                subscriptions.push(cx.subscribe_in(
 530                                    &editor,
 531                                    window,
 532                                    Self::handle_title_editor_event,
 533                                ));
 534                                Some(editor)
 535                            } else {
 536                                None
 537                            };
 538                        this.thread_state = ThreadState::Ready {
 539                            thread,
 540                            title_editor,
 541                            _subscriptions: subscriptions,
 542                        };
 543                        this.message_editor.focus_handle(cx).focus(window);
 544
 545                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 546                            cx.new(|cx| {
 547                                ProfileSelector::new(
 548                                    <dyn Fs>::global(cx),
 549                                    Arc::new(thread.clone()),
 550                                    this.focus_handle(cx),
 551                                    cx,
 552                                )
 553                            })
 554                        });
 555
 556                        cx.notify();
 557                    }
 558                    Err(err) => {
 559                        this.handle_load_error(err, window, cx);
 560                    }
 561                };
 562            })
 563            .log_err();
 564        });
 565
 566        ThreadState::Loading { _task: load_task }
 567    }
 568
 569    fn handle_auth_required(
 570        this: WeakEntity<Self>,
 571        err: AuthRequired,
 572        agent: Rc<dyn AgentServer>,
 573        connection: Rc<dyn AgentConnection>,
 574        window: &mut Window,
 575        cx: &mut App,
 576    ) {
 577        let agent_name = agent.name();
 578        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 579            let registry = LanguageModelRegistry::global(cx);
 580
 581            let sub = window.subscribe(&registry, cx, {
 582                let provider_id = provider_id.clone();
 583                let this = this.clone();
 584                move |_, ev, window, cx| {
 585                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 586                        && &provider_id == updated_provider_id
 587                    {
 588                        this.update(cx, |this, cx| {
 589                            this.thread_state = Self::initial_state(
 590                                agent.clone(),
 591                                None,
 592                                this.workspace.clone(),
 593                                this.project.clone(),
 594                                window,
 595                                cx,
 596                            );
 597                            cx.notify();
 598                        })
 599                        .ok();
 600                    }
 601                }
 602            });
 603
 604            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 605                provider.configuration_view(
 606                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 607                    window,
 608                    cx,
 609                )
 610            });
 611
 612            (view, Some(sub))
 613        } else {
 614            (None, None)
 615        };
 616
 617        this.update(cx, |this, cx| {
 618            this.thread_state = ThreadState::Unauthenticated {
 619                pending_auth_method: None,
 620                connection,
 621                configuration_view,
 622                description: err
 623                    .description
 624                    .clone()
 625                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 626                _subscription: subscription,
 627            };
 628            if this.message_editor.focus_handle(cx).is_focused(window) {
 629                this.focus_handle.focus(window)
 630            }
 631            cx.notify();
 632        })
 633        .ok();
 634    }
 635
 636    fn handle_load_error(
 637        &mut self,
 638        err: anyhow::Error,
 639        window: &mut Window,
 640        cx: &mut Context<Self>,
 641    ) {
 642        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 643            self.thread_state = ThreadState::LoadError(load_err.clone());
 644        } else {
 645            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 646        }
 647        if self.message_editor.focus_handle(cx).is_focused(window) {
 648            self.focus_handle.focus(window)
 649        }
 650        cx.notify();
 651    }
 652
 653    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 654        &self.workspace
 655    }
 656
 657    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 658        match &self.thread_state {
 659            ThreadState::Ready { thread, .. } => Some(thread),
 660            ThreadState::Unauthenticated { .. }
 661            | ThreadState::Loading { .. }
 662            | ThreadState::LoadError { .. } => None,
 663        }
 664    }
 665
 666    pub fn title(&self) -> SharedString {
 667        match &self.thread_state {
 668            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 669            ThreadState::Loading { .. } => "Loading…".into(),
 670            ThreadState::LoadError(_) => "Failed to load".into(),
 671        }
 672    }
 673
 674    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 675        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 676            title_editor.clone()
 677        } else {
 678            None
 679        }
 680    }
 681
 682    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 683        self.thread_error.take();
 684        self.thread_retry_status.take();
 685
 686        if let Some(thread) = self.thread() {
 687            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 688        }
 689    }
 690
 691    pub fn expand_message_editor(
 692        &mut self,
 693        _: &ExpandMessageEditor,
 694        _window: &mut Window,
 695        cx: &mut Context<Self>,
 696    ) {
 697        self.set_editor_is_expanded(!self.editor_expanded, cx);
 698        cx.notify();
 699    }
 700
 701    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 702        self.editor_expanded = is_expanded;
 703        self.message_editor.update(cx, |editor, cx| {
 704            if is_expanded {
 705                editor.set_mode(
 706                    EditorMode::Full {
 707                        scale_ui_elements_with_buffer_font_size: false,
 708                        show_active_line_background: false,
 709                        sized_by_content: false,
 710                    },
 711                    cx,
 712                )
 713            } else {
 714                editor.set_mode(
 715                    EditorMode::AutoHeight {
 716                        min_lines: MIN_EDITOR_LINES,
 717                        max_lines: Some(MAX_EDITOR_LINES),
 718                    },
 719                    cx,
 720                )
 721            }
 722        });
 723        cx.notify();
 724    }
 725
 726    pub fn handle_title_editor_event(
 727        &mut self,
 728        title_editor: &Entity<Editor>,
 729        event: &EditorEvent,
 730        window: &mut Window,
 731        cx: &mut Context<Self>,
 732    ) {
 733        let Some(thread) = self.thread() else { return };
 734
 735        match event {
 736            EditorEvent::BufferEdited => {
 737                let new_title = title_editor.read(cx).text(cx);
 738                thread.update(cx, |thread, cx| {
 739                    thread
 740                        .set_title(new_title.into(), cx)
 741                        .detach_and_log_err(cx);
 742                })
 743            }
 744            EditorEvent::Blurred => {
 745                if title_editor.read(cx).text(cx).is_empty() {
 746                    title_editor.update(cx, |editor, cx| {
 747                        editor.set_text("New Thread", window, cx);
 748                    });
 749                }
 750            }
 751            _ => {}
 752        }
 753    }
 754
 755    pub fn handle_message_editor_event(
 756        &mut self,
 757        _: &Entity<MessageEditor>,
 758        event: &MessageEditorEvent,
 759        window: &mut Window,
 760        cx: &mut Context<Self>,
 761    ) {
 762        match event {
 763            MessageEditorEvent::Send => self.send(window, cx),
 764            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 765            MessageEditorEvent::Focus => {
 766                self.cancel_editing(&Default::default(), window, cx);
 767            }
 768            MessageEditorEvent::LostFocus => {}
 769        }
 770    }
 771
 772    pub fn handle_entry_view_event(
 773        &mut self,
 774        _: &Entity<EntryViewState>,
 775        event: &EntryViewEvent,
 776        window: &mut Window,
 777        cx: &mut Context<Self>,
 778    ) {
 779        match &event.view_event {
 780            ViewEvent::NewDiff(tool_call_id) => {
 781                if AgentSettings::get_global(cx).expand_edit_card {
 782                    self.expanded_tool_calls.insert(tool_call_id.clone());
 783                }
 784            }
 785            ViewEvent::NewTerminal(tool_call_id) => {
 786                if AgentSettings::get_global(cx).expand_terminal_card {
 787                    self.expanded_tool_calls.insert(tool_call_id.clone());
 788                }
 789            }
 790            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 791                if let Some(thread) = self.thread()
 792                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 793                        thread.read(cx).entries().get(event.entry_index)
 794                    && user_message.id.is_some()
 795                {
 796                    self.editing_message = Some(event.entry_index);
 797                    cx.notify();
 798                }
 799            }
 800            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 801                if let Some(thread) = self.thread()
 802                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 803                        thread.read(cx).entries().get(event.entry_index)
 804                    && user_message.id.is_some()
 805                {
 806                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 807                        self.editing_message = None;
 808                        cx.notify();
 809                    }
 810                }
 811            }
 812            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 813                self.regenerate(event.entry_index, editor, window, cx);
 814            }
 815            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 816                self.cancel_editing(&Default::default(), window, cx);
 817            }
 818        }
 819    }
 820
 821    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 822        self.thread_error.take();
 823        let Some(thread) = self.thread() else {
 824            return;
 825        };
 826        if !thread.read(cx).can_resume(cx) {
 827            return;
 828        }
 829
 830        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 831        cx.spawn(async move |this, cx| {
 832            let result = task.await;
 833
 834            this.update(cx, |this, cx| {
 835                if let Err(err) = result {
 836                    this.handle_thread_error(err, cx);
 837                }
 838            })
 839        })
 840        .detach();
 841    }
 842
 843    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 844        let Some(thread) = self.thread() else { return };
 845
 846        if self.is_loading_contents {
 847            return;
 848        }
 849
 850        self.history_store.update(cx, |history, cx| {
 851            history.push_recently_opened_entry(
 852                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 853                cx,
 854            );
 855        });
 856
 857        if thread.read(cx).status() != ThreadStatus::Idle {
 858            self.stop_current_and_send_new_message(window, cx);
 859            return;
 860        }
 861
 862        let contents = self
 863            .message_editor
 864            .update(cx, |message_editor, cx| message_editor.contents(cx));
 865        self.send_impl(contents, window, cx)
 866    }
 867
 868    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 869        let Some(thread) = self.thread().cloned() else {
 870            return;
 871        };
 872
 873        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 874
 875        let contents = self
 876            .message_editor
 877            .update(cx, |message_editor, cx| message_editor.contents(cx));
 878
 879        cx.spawn_in(window, async move |this, cx| {
 880            cancelled.await;
 881
 882            this.update_in(cx, |this, window, cx| {
 883                this.send_impl(contents, window, cx);
 884            })
 885            .ok();
 886        })
 887        .detach();
 888    }
 889
 890    fn send_impl(
 891        &mut self,
 892        contents: Task<anyhow::Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
 893        window: &mut Window,
 894        cx: &mut Context<Self>,
 895    ) {
 896        let agent_telemetry_id = self.agent.telemetry_id();
 897
 898        self.thread_error.take();
 899        self.editing_message.take();
 900        self.thread_feedback.clear();
 901
 902        let Some(thread) = self.thread().cloned() else {
 903            return;
 904        };
 905        if self.should_be_following {
 906            self.workspace
 907                .update(cx, |workspace, cx| {
 908                    workspace.follow(CollaboratorId::Agent, window, cx);
 909                })
 910                .ok();
 911        }
 912
 913        self.is_loading_contents = true;
 914        let guard = cx.new(|_| ());
 915        cx.observe_release(&guard, |this, _guard, cx| {
 916            this.is_loading_contents = false;
 917            cx.notify();
 918        })
 919        .detach();
 920
 921        let task = cx.spawn_in(window, async move |this, cx| {
 922            let (contents, tracked_buffers) = contents.await?;
 923
 924            if contents.is_empty() {
 925                return Ok(());
 926            }
 927
 928            this.update_in(cx, |this, window, cx| {
 929                this.set_editor_is_expanded(false, cx);
 930                this.scroll_to_bottom(cx);
 931                this.message_editor.update(cx, |message_editor, cx| {
 932                    message_editor.clear(window, cx);
 933                });
 934            })?;
 935            let send = thread.update(cx, |thread, cx| {
 936                thread.action_log().update(cx, |action_log, cx| {
 937                    for buffer in tracked_buffers {
 938                        action_log.buffer_read(buffer, cx)
 939                    }
 940                });
 941                drop(guard);
 942
 943                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
 944
 945                thread.send(contents, cx)
 946            })?;
 947            send.await
 948        });
 949
 950        cx.spawn(async move |this, cx| {
 951            if let Err(err) = task.await {
 952                this.update(cx, |this, cx| {
 953                    this.handle_thread_error(err, cx);
 954                })
 955                .ok();
 956            } else {
 957                this.update(cx, |this, cx| {
 958                    this.should_be_following = this
 959                        .workspace
 960                        .update(cx, |workspace, _| {
 961                            workspace.is_being_followed(CollaboratorId::Agent)
 962                        })
 963                        .unwrap_or_default();
 964                })
 965                .ok();
 966            }
 967        })
 968        .detach();
 969    }
 970
 971    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 972        let Some(thread) = self.thread().cloned() else {
 973            return;
 974        };
 975
 976        if let Some(index) = self.editing_message.take()
 977            && let Some(editor) = self
 978                .entry_view_state
 979                .read(cx)
 980                .entry(index)
 981                .and_then(|e| e.message_editor())
 982                .cloned()
 983        {
 984            editor.update(cx, |editor, cx| {
 985                if let Some(user_message) = thread
 986                    .read(cx)
 987                    .entries()
 988                    .get(index)
 989                    .and_then(|e| e.user_message())
 990                {
 991                    editor.set_message(user_message.chunks.clone(), window, cx);
 992                }
 993            })
 994        };
 995        self.focus_handle(cx).focus(window);
 996        cx.notify();
 997    }
 998
 999    fn regenerate(
1000        &mut self,
1001        entry_ix: usize,
1002        message_editor: &Entity<MessageEditor>,
1003        window: &mut Window,
1004        cx: &mut Context<Self>,
1005    ) {
1006        let Some(thread) = self.thread().cloned() else {
1007            return;
1008        };
1009        if self.is_loading_contents {
1010            return;
1011        }
1012
1013        let Some(user_message_id) = thread.update(cx, |thread, _| {
1014            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1015        }) else {
1016            return;
1017        };
1018
1019        let contents = message_editor.update(cx, |message_editor, cx| message_editor.contents(cx));
1020
1021        let task = cx.spawn(async move |_, cx| {
1022            let contents = contents.await?;
1023            thread
1024                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1025                .await?;
1026            Ok(contents)
1027        });
1028        self.send_impl(task, window, cx);
1029    }
1030
1031    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1032        if let Some(thread) = self.thread() {
1033            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1034        }
1035    }
1036
1037    fn open_edited_buffer(
1038        &mut self,
1039        buffer: &Entity<Buffer>,
1040        window: &mut Window,
1041        cx: &mut Context<Self>,
1042    ) {
1043        let Some(thread) = self.thread() else {
1044            return;
1045        };
1046
1047        let Some(diff) =
1048            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1049        else {
1050            return;
1051        };
1052
1053        diff.update(cx, |diff, cx| {
1054            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1055        })
1056    }
1057
1058    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1059        let Some(thread) = self.as_native_thread(cx) else {
1060            return;
1061        };
1062        let project_context = thread.read(cx).project_context().read(cx);
1063
1064        let project_entry_ids = project_context
1065            .worktrees
1066            .iter()
1067            .flat_map(|worktree| worktree.rules_file.as_ref())
1068            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1069            .collect::<Vec<_>>();
1070
1071        self.workspace
1072            .update(cx, move |workspace, cx| {
1073                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1074                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1075                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1076                let project = workspace.project().read(cx);
1077                let project_paths = project_entry_ids
1078                    .into_iter()
1079                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1080                    .collect::<Vec<_>>();
1081                for project_path in project_paths {
1082                    workspace
1083                        .open_path(project_path, None, true, window, cx)
1084                        .detach_and_log_err(cx);
1085                }
1086            })
1087            .ok();
1088    }
1089
1090    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1091        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1092        cx.notify();
1093    }
1094
1095    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1096        self.thread_error = None;
1097        cx.notify();
1098    }
1099
1100    fn handle_thread_event(
1101        &mut self,
1102        thread: &Entity<AcpThread>,
1103        event: &AcpThreadEvent,
1104        window: &mut Window,
1105        cx: &mut Context<Self>,
1106    ) {
1107        match event {
1108            AcpThreadEvent::NewEntry => {
1109                let len = thread.read(cx).entries().len();
1110                let index = len - 1;
1111                self.entry_view_state.update(cx, |view_state, cx| {
1112                    view_state.sync_entry(index, thread, window, cx)
1113                });
1114                self.list_state.splice(index..index, 1);
1115            }
1116            AcpThreadEvent::EntryUpdated(index) => {
1117                self.entry_view_state.update(cx, |view_state, cx| {
1118                    view_state.sync_entry(*index, thread, window, cx)
1119                });
1120            }
1121            AcpThreadEvent::EntriesRemoved(range) => {
1122                self.entry_view_state
1123                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1124                self.list_state.splice(range.clone(), 0);
1125            }
1126            AcpThreadEvent::ToolAuthorizationRequired => {
1127                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1128            }
1129            AcpThreadEvent::Retry(retry) => {
1130                self.thread_retry_status = Some(retry.clone());
1131            }
1132            AcpThreadEvent::Stopped => {
1133                self.thread_retry_status.take();
1134                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1135                self.notify_with_sound(
1136                    if used_tools {
1137                        "Finished running tools"
1138                    } else {
1139                        "New message"
1140                    },
1141                    IconName::ZedAssistant,
1142                    window,
1143                    cx,
1144                );
1145            }
1146            AcpThreadEvent::Error => {
1147                self.thread_retry_status.take();
1148                self.notify_with_sound(
1149                    "Agent stopped due to an error",
1150                    IconName::Warning,
1151                    window,
1152                    cx,
1153                );
1154            }
1155            AcpThreadEvent::LoadError(error) => {
1156                self.thread_retry_status.take();
1157                self.thread_state = ThreadState::LoadError(error.clone());
1158                if self.message_editor.focus_handle(cx).is_focused(window) {
1159                    self.focus_handle.focus(window)
1160                }
1161            }
1162            AcpThreadEvent::TitleUpdated => {
1163                let title = thread.read(cx).title();
1164                if let Some(title_editor) = self.title_editor() {
1165                    title_editor.update(cx, |editor, cx| {
1166                        if editor.text(cx) != title {
1167                            editor.set_text(title, window, cx);
1168                        }
1169                    });
1170                }
1171            }
1172            AcpThreadEvent::PromptCapabilitiesUpdated => {
1173                self.prompt_capabilities
1174                    .set(thread.read(cx).prompt_capabilities());
1175            }
1176            AcpThreadEvent::TokenUsageUpdated => {}
1177        }
1178        cx.notify();
1179    }
1180
1181    fn authenticate(
1182        &mut self,
1183        method: acp::AuthMethodId,
1184        window: &mut Window,
1185        cx: &mut Context<Self>,
1186    ) {
1187        let ThreadState::Unauthenticated {
1188            connection,
1189            pending_auth_method,
1190            configuration_view,
1191            ..
1192        } = &mut self.thread_state
1193        else {
1194            return;
1195        };
1196
1197        if method.0.as_ref() == "gemini-api-key" {
1198            let registry = LanguageModelRegistry::global(cx);
1199            let provider = registry
1200                .read(cx)
1201                .provider(&language_model::GOOGLE_PROVIDER_ID)
1202                .unwrap();
1203            if !provider.is_authenticated(cx) {
1204                let this = cx.weak_entity();
1205                let agent = self.agent.clone();
1206                let connection = connection.clone();
1207                window.defer(cx, |window, cx| {
1208                    Self::handle_auth_required(
1209                        this,
1210                        AuthRequired {
1211                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1212                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1213                        },
1214                        agent,
1215                        connection,
1216                        window,
1217                        cx,
1218                    );
1219                });
1220                return;
1221            }
1222        } else if method.0.as_ref() == "vertex-ai"
1223            && std::env::var("GOOGLE_API_KEY").is_err()
1224            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1225                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1226        {
1227            let this = cx.weak_entity();
1228            let agent = self.agent.clone();
1229            let connection = connection.clone();
1230
1231            window.defer(cx, |window, cx| {
1232                    Self::handle_auth_required(
1233                        this,
1234                        AuthRequired {
1235                            description: Some(
1236                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1237                                    .to_owned(),
1238                            ),
1239                            provider_id: None,
1240                        },
1241                        agent,
1242                        connection,
1243                        window,
1244                        cx,
1245                    )
1246                });
1247            return;
1248        }
1249
1250        self.thread_error.take();
1251        configuration_view.take();
1252        pending_auth_method.replace(method.clone());
1253        let authenticate = connection.authenticate(method, cx);
1254        cx.notify();
1255        self.auth_task =
1256            Some(cx.spawn_in(window, {
1257                let project = self.project.clone();
1258                let agent = self.agent.clone();
1259                async move |this, cx| {
1260                    let result = authenticate.await;
1261
1262                    match &result {
1263                        Ok(_) => telemetry::event!(
1264                            "Authenticate Agent Succeeded",
1265                            agent = agent.telemetry_id()
1266                        ),
1267                        Err(_) => {
1268                            telemetry::event!(
1269                                "Authenticate Agent Failed",
1270                                agent = agent.telemetry_id(),
1271                            )
1272                        }
1273                    }
1274
1275                    this.update_in(cx, |this, window, cx| {
1276                        if let Err(err) = result {
1277                            this.handle_thread_error(err, cx);
1278                        } else {
1279                            this.thread_state = Self::initial_state(
1280                                agent,
1281                                None,
1282                                this.workspace.clone(),
1283                                project.clone(),
1284                                window,
1285                                cx,
1286                            )
1287                        }
1288                        this.auth_task.take()
1289                    })
1290                    .ok();
1291                }
1292            }));
1293    }
1294
1295    fn authorize_tool_call(
1296        &mut self,
1297        tool_call_id: acp::ToolCallId,
1298        option_id: acp::PermissionOptionId,
1299        option_kind: acp::PermissionOptionKind,
1300        window: &mut Window,
1301        cx: &mut Context<Self>,
1302    ) {
1303        let Some(thread) = self.thread() else {
1304            return;
1305        };
1306        thread.update(cx, |thread, cx| {
1307            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1308        });
1309        if self.should_be_following {
1310            self.workspace
1311                .update(cx, |workspace, cx| {
1312                    workspace.follow(CollaboratorId::Agent, window, cx);
1313                })
1314                .ok();
1315        }
1316        cx.notify();
1317    }
1318
1319    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1320        let Some(thread) = self.thread() else {
1321            return;
1322        };
1323        thread
1324            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
1325            .detach_and_log_err(cx);
1326        cx.notify();
1327    }
1328
1329    fn render_entry(
1330        &self,
1331        entry_ix: usize,
1332        total_entries: usize,
1333        entry: &AgentThreadEntry,
1334        window: &mut Window,
1335        cx: &Context<Self>,
1336    ) -> AnyElement {
1337        let primary = match &entry {
1338            AgentThreadEntry::UserMessage(message) => {
1339                let Some(editor) = self
1340                    .entry_view_state
1341                    .read(cx)
1342                    .entry(entry_ix)
1343                    .and_then(|entry| entry.message_editor())
1344                    .cloned()
1345                else {
1346                    return Empty.into_any_element();
1347                };
1348
1349                let editing = self.editing_message == Some(entry_ix);
1350                let editor_focus = editor.focus_handle(cx).is_focused(window);
1351                let focus_border = cx.theme().colors().border_focused;
1352
1353                let rules_item = if entry_ix == 0 {
1354                    self.render_rules_item(cx)
1355                } else {
1356                    None
1357                };
1358
1359                let has_checkpoint_button = message
1360                    .checkpoint
1361                    .as_ref()
1362                    .is_some_and(|checkpoint| checkpoint.show);
1363
1364                let agent_name = self.agent.name();
1365
1366                v_flex()
1367                    .id(("user_message", entry_ix))
1368                    .map(|this| {
1369                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1370                            this.pt_4()
1371                        } else if rules_item.is_some() {
1372                            this.pt_3()
1373                        } else {
1374                            this.pt_2()
1375                        }
1376                    })
1377                    .pb_4()
1378                    .px_2()
1379                    .gap_1p5()
1380                    .w_full()
1381                    .children(rules_item)
1382                    .children(message.id.clone().and_then(|message_id| {
1383                        message.checkpoint.as_ref()?.show.then(|| {
1384                            h_flex()
1385                                .px_3()
1386                                .gap_2()
1387                                .child(Divider::horizontal())
1388                                .child(
1389                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1390                                        .icon(IconName::Undo)
1391                                        .icon_size(IconSize::XSmall)
1392                                        .icon_position(IconPosition::Start)
1393                                        .label_size(LabelSize::XSmall)
1394                                        .icon_color(Color::Muted)
1395                                        .color(Color::Muted)
1396                                        .on_click(cx.listener(move |this, _, _window, cx| {
1397                                            this.rewind(&message_id, cx);
1398                                        }))
1399                                )
1400                                .child(Divider::horizontal())
1401                        })
1402                    }))
1403                    .child(
1404                        div()
1405                            .relative()
1406                            .child(
1407                                div()
1408                                    .py_3()
1409                                    .px_2()
1410                                    .rounded_md()
1411                                    .shadow_md()
1412                                    .bg(cx.theme().colors().editor_background)
1413                                    .border_1()
1414                                    .when(editing && !editor_focus, |this| this.border_dashed())
1415                                    .border_color(cx.theme().colors().border)
1416                                    .map(|this|{
1417                                        if editing && editor_focus {
1418                                            this.border_color(focus_border)
1419                                        } else if message.id.is_some() {
1420                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1421                                        } else {
1422                                            this
1423                                        }
1424                                    })
1425                                    .text_xs()
1426                                    .child(editor.clone().into_any_element()),
1427                            )
1428                            .when(editor_focus, |this| {
1429                                let base_container = h_flex()
1430                                    .absolute()
1431                                    .top_neg_3p5()
1432                                    .right_3()
1433                                    .gap_1()
1434                                    .rounded_sm()
1435                                    .border_1()
1436                                    .border_color(cx.theme().colors().border)
1437                                    .bg(cx.theme().colors().editor_background)
1438                                    .overflow_hidden();
1439
1440                                if message.id.is_some() {
1441                                    this.child(
1442                                        base_container
1443                                            .child(
1444                                                IconButton::new("cancel", IconName::Close)
1445                                                    .disabled(self.is_loading_contents)
1446                                                    .icon_color(Color::Error)
1447                                                    .icon_size(IconSize::XSmall)
1448                                                    .on_click(cx.listener(Self::cancel_editing))
1449                                            )
1450                                            .child(
1451                                                if self.is_loading_contents {
1452                                                    div()
1453                                                        .id("loading-edited-message-content")
1454                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1455                                                        .child(loading_contents_spinner(IconSize::XSmall))
1456                                                        .into_any_element()
1457                                                } else {
1458                                                    IconButton::new("regenerate", IconName::Return)
1459                                                        .icon_color(Color::Muted)
1460                                                        .icon_size(IconSize::XSmall)
1461                                                        .tooltip(Tooltip::text(
1462                                                            "Editing will restart the thread from this point."
1463                                                        ))
1464                                                        .on_click(cx.listener({
1465                                                            let editor = editor.clone();
1466                                                            move |this, _, window, cx| {
1467                                                                this.regenerate(
1468                                                                    entry_ix, &editor, window, cx,
1469                                                                );
1470                                                            }
1471                                                        })).into_any_element()
1472                                                }
1473                                            )
1474                                    )
1475                                } else {
1476                                    this.child(
1477                                        base_container
1478                                            .border_dashed()
1479                                            .child(
1480                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1481                                                    .icon_size(IconSize::Small)
1482                                                    .icon_color(Color::Muted)
1483                                                    .style(ButtonStyle::Transparent)
1484                                                    .tooltip(move |_window, cx| {
1485                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1486                                                            .into()
1487                                                    })
1488                                            )
1489                                    )
1490                                }
1491                            }),
1492                    )
1493                    .into_any()
1494            }
1495            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1496                let style = default_markdown_style(false, false, window, cx);
1497                let message_body = v_flex()
1498                    .w_full()
1499                    .gap_2p5()
1500                    .children(chunks.iter().enumerate().filter_map(
1501                        |(chunk_ix, chunk)| match chunk {
1502                            AssistantMessageChunk::Message { block } => {
1503                                block.markdown().map(|md| {
1504                                    self.render_markdown(md.clone(), style.clone())
1505                                        .into_any_element()
1506                                })
1507                            }
1508                            AssistantMessageChunk::Thought { block } => {
1509                                block.markdown().map(|md| {
1510                                    self.render_thinking_block(
1511                                        entry_ix,
1512                                        chunk_ix,
1513                                        md.clone(),
1514                                        window,
1515                                        cx,
1516                                    )
1517                                    .into_any_element()
1518                                })
1519                            }
1520                        },
1521                    ))
1522                    .into_any();
1523
1524                v_flex()
1525                    .px_5()
1526                    .py_1()
1527                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1528                    .w_full()
1529                    .text_ui(cx)
1530                    .child(message_body)
1531                    .into_any()
1532            }
1533            AgentThreadEntry::ToolCall(tool_call) => {
1534                let has_terminals = tool_call.terminals().next().is_some();
1535
1536                div().w_full().py_1().px_5().map(|this| {
1537                    if has_terminals {
1538                        this.children(tool_call.terminals().map(|terminal| {
1539                            self.render_terminal_tool_call(
1540                                entry_ix, terminal, tool_call, window, cx,
1541                            )
1542                        }))
1543                    } else {
1544                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1545                    }
1546                })
1547            }
1548            .into_any(),
1549        };
1550
1551        let Some(thread) = self.thread() else {
1552            return primary;
1553        };
1554
1555        let primary = if entry_ix == total_entries - 1 {
1556            v_flex()
1557                .w_full()
1558                .child(primary)
1559                .child(self.render_thread_controls(&thread, cx))
1560                .when_some(
1561                    self.thread_feedback.comments_editor.clone(),
1562                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1563                )
1564                .into_any_element()
1565        } else {
1566            primary
1567        };
1568
1569        if let Some(editing_index) = self.editing_message.as_ref()
1570            && *editing_index < entry_ix
1571        {
1572            let backdrop = div()
1573                .id(("backdrop", entry_ix))
1574                .size_full()
1575                .absolute()
1576                .inset_0()
1577                .bg(cx.theme().colors().panel_background)
1578                .opacity(0.8)
1579                .block_mouse_except_scroll()
1580                .on_click(cx.listener(Self::cancel_editing));
1581
1582            div()
1583                .relative()
1584                .child(primary)
1585                .child(backdrop)
1586                .into_any_element()
1587        } else {
1588            primary
1589        }
1590    }
1591
1592    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1593        cx.theme()
1594            .colors()
1595            .element_background
1596            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1597    }
1598
1599    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1600        cx.theme().colors().border.opacity(0.8)
1601    }
1602
1603    fn tool_name_font_size(&self) -> Rems {
1604        rems_from_px(13.)
1605    }
1606
1607    fn render_thinking_block(
1608        &self,
1609        entry_ix: usize,
1610        chunk_ix: usize,
1611        chunk: Entity<Markdown>,
1612        window: &Window,
1613        cx: &Context<Self>,
1614    ) -> AnyElement {
1615        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1616        let card_header_id = SharedString::from("inner-card-header");
1617        let key = (entry_ix, chunk_ix);
1618        let is_open = self.expanded_thinking_blocks.contains(&key);
1619
1620        v_flex()
1621            .child(
1622                h_flex()
1623                    .id(header_id)
1624                    .group(&card_header_id)
1625                    .relative()
1626                    .w_full()
1627                    .gap_1p5()
1628                    .child(
1629                        h_flex()
1630                            .size_4()
1631                            .justify_center()
1632                            .child(
1633                                div()
1634                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1635                                    .child(
1636                                        Icon::new(IconName::ToolThink)
1637                                            .size(IconSize::Small)
1638                                            .color(Color::Muted),
1639                                    ),
1640                            )
1641                            .child(
1642                                h_flex()
1643                                    .absolute()
1644                                    .inset_0()
1645                                    .invisible()
1646                                    .justify_center()
1647                                    .group_hover(&card_header_id, |s| s.visible())
1648                                    .child(
1649                                        Disclosure::new(("expand", entry_ix), is_open)
1650                                            .opened_icon(IconName::ChevronUp)
1651                                            .closed_icon(IconName::ChevronRight)
1652                                            .on_click(cx.listener({
1653                                                move |this, _event, _window, cx| {
1654                                                    if is_open {
1655                                                        this.expanded_thinking_blocks.remove(&key);
1656                                                    } else {
1657                                                        this.expanded_thinking_blocks.insert(key);
1658                                                    }
1659                                                    cx.notify();
1660                                                }
1661                                            })),
1662                                    ),
1663                            ),
1664                    )
1665                    .child(
1666                        div()
1667                            .text_size(self.tool_name_font_size())
1668                            .text_color(cx.theme().colors().text_muted)
1669                            .child("Thinking"),
1670                    )
1671                    .on_click(cx.listener({
1672                        move |this, _event, _window, cx| {
1673                            if is_open {
1674                                this.expanded_thinking_blocks.remove(&key);
1675                            } else {
1676                                this.expanded_thinking_blocks.insert(key);
1677                            }
1678                            cx.notify();
1679                        }
1680                    })),
1681            )
1682            .when(is_open, |this| {
1683                this.child(
1684                    div()
1685                        .relative()
1686                        .mt_1p5()
1687                        .ml(rems(0.4))
1688                        .pl_4()
1689                        .border_l_1()
1690                        .border_color(self.tool_card_border_color(cx))
1691                        .text_ui_sm(cx)
1692                        .child(self.render_markdown(
1693                            chunk,
1694                            default_markdown_style(false, false, window, cx),
1695                        )),
1696                )
1697            })
1698            .into_any_element()
1699    }
1700
1701    fn render_tool_call(
1702        &self,
1703        entry_ix: usize,
1704        tool_call: &ToolCall,
1705        window: &Window,
1706        cx: &Context<Self>,
1707    ) -> Div {
1708        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1709        let card_header_id = SharedString::from("inner-tool-call-header");
1710
1711        let tool_icon =
1712            if tool_call.kind == acp::ToolKind::Edit && tool_call.locations.len() == 1 {
1713                FileIcons::get_icon(&tool_call.locations[0].path, cx)
1714                    .map(Icon::from_path)
1715                    .unwrap_or(Icon::new(IconName::ToolPencil))
1716            } else {
1717                Icon::new(match tool_call.kind {
1718                    acp::ToolKind::Read => IconName::ToolSearch,
1719                    acp::ToolKind::Edit => IconName::ToolPencil,
1720                    acp::ToolKind::Delete => IconName::ToolDeleteFile,
1721                    acp::ToolKind::Move => IconName::ArrowRightLeft,
1722                    acp::ToolKind::Search => IconName::ToolSearch,
1723                    acp::ToolKind::Execute => IconName::ToolTerminal,
1724                    acp::ToolKind::Think => IconName::ToolThink,
1725                    acp::ToolKind::Fetch => IconName::ToolWeb,
1726                    acp::ToolKind::Other => IconName::ToolHammer,
1727                })
1728            }
1729            .size(IconSize::Small)
1730            .color(Color::Muted);
1731
1732        let failed_or_canceled = match &tool_call.status {
1733            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
1734            _ => false,
1735        };
1736
1737        let failed_tool_call = matches!(
1738            tool_call.status,
1739            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1740        );
1741
1742        let needs_confirmation = matches!(
1743            tool_call.status,
1744            ToolCallStatus::WaitingForConfirmation { .. }
1745        );
1746        let is_edit =
1747            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1748        let use_card_layout = needs_confirmation || is_edit;
1749
1750        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
1751
1752        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
1753
1754        let gradient_overlay = |color: Hsla| {
1755            div()
1756                .absolute()
1757                .top_0()
1758                .right_0()
1759                .w_12()
1760                .h_full()
1761                .bg(linear_gradient(
1762                    90.,
1763                    linear_color_stop(color, 1.),
1764                    linear_color_stop(color.opacity(0.2), 0.),
1765                ))
1766        };
1767        let gradient_color = if use_card_layout {
1768            self.tool_card_header_bg(cx)
1769        } else {
1770            cx.theme().colors().panel_background
1771        };
1772
1773        let tool_output_display = if is_open {
1774            match &tool_call.status {
1775                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1776                    v_flex()
1777                        .w_full()
1778                        .children(tool_call.content.iter().map(|content| {
1779                            div()
1780                                .child(self.render_tool_call_content(
1781                                    entry_ix, content, tool_call, window, cx,
1782                                ))
1783                                .into_any_element()
1784                        }))
1785                        .child(self.render_permission_buttons(
1786                            options,
1787                            entry_ix,
1788                            tool_call.id.clone(),
1789                            tool_call.content.is_empty(),
1790                            cx,
1791                        ))
1792                        .into_any()
1793                }
1794                ToolCallStatus::Pending | ToolCallStatus::InProgress
1795                    if is_edit
1796                        && tool_call.content.is_empty()
1797                        && self.as_native_connection(cx).is_some() =>
1798                {
1799                    self.render_diff_loading(cx).into_any()
1800                }
1801                ToolCallStatus::Pending
1802                | ToolCallStatus::InProgress
1803                | ToolCallStatus::Completed
1804                | ToolCallStatus::Failed
1805                | ToolCallStatus::Canceled => v_flex()
1806                    .w_full()
1807                    .children(tool_call.content.iter().map(|content| {
1808                        div().child(
1809                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1810                        )
1811                    }))
1812                    .into_any(),
1813                ToolCallStatus::Rejected => Empty.into_any(),
1814            }
1815            .into()
1816        } else {
1817            None
1818        };
1819
1820        v_flex()
1821            .when(use_card_layout, |this| {
1822                this.rounded_md()
1823                    .border_1()
1824                    .border_color(self.tool_card_border_color(cx))
1825                    .bg(cx.theme().colors().editor_background)
1826                    .overflow_hidden()
1827            })
1828            .child(
1829                h_flex()
1830                    .id(header_id)
1831                    .group(&card_header_id)
1832                    .relative()
1833                    .w_full()
1834                    .max_w_full()
1835                    .gap_1()
1836                    .when(use_card_layout, |this| {
1837                        this.pl_1p5()
1838                            .pr_1()
1839                            .py_0p5()
1840                            .rounded_t_md()
1841                            .when(is_open && !failed_tool_call, |this| {
1842                                this.border_b_1()
1843                                    .border_color(self.tool_card_border_color(cx))
1844                            })
1845                            .bg(self.tool_card_header_bg(cx))
1846                    })
1847                    .child(
1848                        h_flex()
1849                            .relative()
1850                            .w_full()
1851                            .h(window.line_height() - px(2.))
1852                            .text_size(self.tool_name_font_size())
1853                            .gap_0p5()
1854                            .child(tool_icon)
1855                            .child(if tool_call.locations.len() == 1 {
1856                                let name = tool_call.locations[0]
1857                                    .path
1858                                    .file_name()
1859                                    .unwrap_or_default()
1860                                    .display()
1861                                    .to_string();
1862
1863                                h_flex()
1864                                    .id(("open-tool-call-location", entry_ix))
1865                                    .w_full()
1866                                    .max_w_full()
1867                                    .px_1p5()
1868                                    .rounded_sm()
1869                                    .overflow_x_scroll()
1870                                    .hover(|label| {
1871                                        label.bg(cx.theme().colors().element_hover.opacity(0.5))
1872                                    })
1873                                    .map(|this| {
1874                                        if use_card_layout {
1875                                            this.text_color(cx.theme().colors().text)
1876                                        } else {
1877                                            this.text_color(cx.theme().colors().text_muted)
1878                                        }
1879                                    })
1880                                    .child(name)
1881                                    .tooltip(Tooltip::text("Jump to File"))
1882                                    .cursor(gpui::CursorStyle::PointingHand)
1883                                    .on_click(cx.listener(move |this, _, window, cx| {
1884                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1885                                    }))
1886                                    .into_any_element()
1887                            } else {
1888                                h_flex()
1889                                    .relative()
1890                                    .w_full()
1891                                    .max_w_full()
1892                                    .ml_1p5()
1893                                    .overflow_hidden()
1894                                    .child(h_flex().pr_8().child(self.render_markdown(
1895                                        tool_call.label.clone(),
1896                                        default_markdown_style(false, true, window, cx),
1897                                    )))
1898                                    .child(gradient_overlay(gradient_color))
1899                                    .into_any()
1900                            }),
1901                    )
1902                    .child(
1903                        h_flex()
1904                            .gap_px()
1905                            .when(is_collapsible, |this| {
1906                                this.child(
1907                                    Disclosure::new(("expand", entry_ix), is_open)
1908                                        .opened_icon(IconName::ChevronUp)
1909                                        .closed_icon(IconName::ChevronDown)
1910                                        .visible_on_hover(&card_header_id)
1911                                        .on_click(cx.listener({
1912                                            let id = tool_call.id.clone();
1913                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1914                                                if is_open {
1915                                                    this.expanded_tool_calls.remove(&id);
1916                                                } else {
1917                                                    this.expanded_tool_calls.insert(id.clone());
1918                                                }
1919                                                cx.notify();
1920                                            }
1921                                        })),
1922                                )
1923                            })
1924                            .when(failed_or_canceled, |this| {
1925                                this.child(
1926                                    Icon::new(IconName::Close)
1927                                        .color(Color::Error)
1928                                        .size(IconSize::Small),
1929                                )
1930                            }),
1931                    ),
1932            )
1933            .children(tool_output_display)
1934    }
1935
1936    fn render_tool_call_content(
1937        &self,
1938        entry_ix: usize,
1939        content: &ToolCallContent,
1940        tool_call: &ToolCall,
1941        window: &Window,
1942        cx: &Context<Self>,
1943    ) -> AnyElement {
1944        match content {
1945            ToolCallContent::ContentBlock(content) => {
1946                if let Some(resource_link) = content.resource_link() {
1947                    self.render_resource_link(resource_link, cx)
1948                } else if let Some(markdown) = content.markdown() {
1949                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1950                } else {
1951                    Empty.into_any_element()
1952                }
1953            }
1954            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1955            ToolCallContent::Terminal(terminal) => {
1956                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1957            }
1958        }
1959    }
1960
1961    fn render_markdown_output(
1962        &self,
1963        markdown: Entity<Markdown>,
1964        tool_call_id: acp::ToolCallId,
1965        window: &Window,
1966        cx: &Context<Self>,
1967    ) -> AnyElement {
1968        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
1969
1970        v_flex()
1971            .mt_1p5()
1972            .ml(rems(0.4))
1973            .px_3p5()
1974            .gap_2()
1975            .border_l_1()
1976            .border_color(self.tool_card_border_color(cx))
1977            .text_sm()
1978            .text_color(cx.theme().colors().text_muted)
1979            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
1980            .child(
1981                IconButton::new(button_id, IconName::ChevronUp)
1982                    .full_width()
1983                    .style(ButtonStyle::Outlined)
1984                    .icon_color(Color::Muted)
1985                    .on_click(cx.listener({
1986                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1987                            this.expanded_tool_calls.remove(&tool_call_id);
1988                            cx.notify();
1989                        }
1990                    })),
1991            )
1992            .into_any_element()
1993    }
1994
1995    fn render_resource_link(
1996        &self,
1997        resource_link: &acp::ResourceLink,
1998        cx: &Context<Self>,
1999    ) -> AnyElement {
2000        let uri: SharedString = resource_link.uri.clone().into();
2001        let is_file = resource_link.uri.strip_prefix("file://");
2002
2003        let label: SharedString = if let Some(abs_path) = is_file {
2004            if let Some(project_path) = self
2005                .project
2006                .read(cx)
2007                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2008                && let Some(worktree) = self
2009                    .project
2010                    .read(cx)
2011                    .worktree_for_id(project_path.worktree_id, cx)
2012            {
2013                worktree
2014                    .read(cx)
2015                    .full_path(&project_path.path)
2016                    .to_string_lossy()
2017                    .to_string()
2018                    .into()
2019            } else {
2020                abs_path.to_string().into()
2021            }
2022        } else {
2023            uri.clone()
2024        };
2025
2026        let button_id = SharedString::from(format!("item-{}", uri));
2027
2028        div()
2029            .ml(rems(0.4))
2030            .pl_2p5()
2031            .border_l_1()
2032            .border_color(self.tool_card_border_color(cx))
2033            .overflow_hidden()
2034            .child(
2035                Button::new(button_id, label)
2036                    .label_size(LabelSize::Small)
2037                    .color(Color::Muted)
2038                    .truncate(true)
2039                    .when(is_file.is_none(), |this| {
2040                        this.icon(IconName::ArrowUpRight)
2041                            .icon_size(IconSize::XSmall)
2042                            .icon_color(Color::Muted)
2043                    })
2044                    .on_click(cx.listener({
2045                        let workspace = self.workspace.clone();
2046                        move |_, _, window, cx: &mut Context<Self>| {
2047                            Self::open_link(uri.clone(), &workspace, window, cx);
2048                        }
2049                    })),
2050            )
2051            .into_any_element()
2052    }
2053
2054    fn render_permission_buttons(
2055        &self,
2056        options: &[acp::PermissionOption],
2057        entry_ix: usize,
2058        tool_call_id: acp::ToolCallId,
2059        empty_content: bool,
2060        cx: &Context<Self>,
2061    ) -> Div {
2062        h_flex()
2063            .py_1()
2064            .pl_2()
2065            .pr_1()
2066            .gap_1()
2067            .justify_between()
2068            .flex_wrap()
2069            .when(!empty_content, |this| {
2070                this.border_t_1()
2071                    .border_color(self.tool_card_border_color(cx))
2072            })
2073            .child(
2074                div()
2075                    .min_w(rems_from_px(145.))
2076                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
2077            )
2078            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
2079                let option_id = SharedString::from(option.id.0.clone());
2080                Button::new((option_id, entry_ix), option.name.clone())
2081                    .map(|this| match option.kind {
2082                        acp::PermissionOptionKind::AllowOnce => {
2083                            this.icon(IconName::Check).icon_color(Color::Success)
2084                        }
2085                        acp::PermissionOptionKind::AllowAlways => {
2086                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
2087                        }
2088                        acp::PermissionOptionKind::RejectOnce => {
2089                            this.icon(IconName::Close).icon_color(Color::Error)
2090                        }
2091                        acp::PermissionOptionKind::RejectAlways => {
2092                            this.icon(IconName::Close).icon_color(Color::Error)
2093                        }
2094                    })
2095                    .icon_position(IconPosition::Start)
2096                    .icon_size(IconSize::XSmall)
2097                    .label_size(LabelSize::Small)
2098                    .on_click(cx.listener({
2099                        let tool_call_id = tool_call_id.clone();
2100                        let option_id = option.id.clone();
2101                        let option_kind = option.kind;
2102                        move |this, _, window, cx| {
2103                            this.authorize_tool_call(
2104                                tool_call_id.clone(),
2105                                option_id.clone(),
2106                                option_kind,
2107                                window,
2108                                cx,
2109                            );
2110                        }
2111                    }))
2112            })))
2113    }
2114
2115    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2116        let bar = |n: u64, width_class: &str| {
2117            let bg_color = cx.theme().colors().element_active;
2118            let base = h_flex().h_1().rounded_full();
2119
2120            let modified = match width_class {
2121                "w_4_5" => base.w_3_4(),
2122                "w_1_4" => base.w_1_4(),
2123                "w_2_4" => base.w_2_4(),
2124                "w_3_5" => base.w_3_5(),
2125                "w_2_5" => base.w_2_5(),
2126                _ => base.w_1_2(),
2127            };
2128
2129            modified.with_animation(
2130                ElementId::Integer(n),
2131                Animation::new(Duration::from_secs(2)).repeat(),
2132                move |tab, delta| {
2133                    let delta = (delta - 0.15 * n as f32) / 0.7;
2134                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2135                    let delta = ease_in_out(delta.clamp(0., 1.));
2136                    let delta = 0.1 + 0.9 * delta;
2137
2138                    tab.bg(bg_color.opacity(delta))
2139                },
2140            )
2141        };
2142
2143        v_flex()
2144            .p_3()
2145            .gap_1()
2146            .rounded_b_md()
2147            .bg(cx.theme().colors().editor_background)
2148            .child(bar(0, "w_4_5"))
2149            .child(bar(1, "w_1_4"))
2150            .child(bar(2, "w_2_4"))
2151            .child(bar(3, "w_3_5"))
2152            .child(bar(4, "w_2_5"))
2153            .into_any_element()
2154    }
2155
2156    fn render_diff_editor(
2157        &self,
2158        entry_ix: usize,
2159        diff: &Entity<acp_thread::Diff>,
2160        tool_call: &ToolCall,
2161        cx: &Context<Self>,
2162    ) -> AnyElement {
2163        let tool_progress = matches!(
2164            &tool_call.status,
2165            ToolCallStatus::InProgress | ToolCallStatus::Pending
2166        );
2167
2168        v_flex()
2169            .h_full()
2170            .child(
2171                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2172                    && let Some(editor) = entry.editor_for_diff(diff)
2173                    && diff.read(cx).has_revealed_range(cx)
2174                {
2175                    editor.into_any_element()
2176                } else if tool_progress && self.as_native_connection(cx).is_some() {
2177                    self.render_diff_loading(cx)
2178                } else {
2179                    Empty.into_any()
2180                },
2181            )
2182            .into_any()
2183    }
2184
2185    fn render_terminal_tool_call(
2186        &self,
2187        entry_ix: usize,
2188        terminal: &Entity<acp_thread::Terminal>,
2189        tool_call: &ToolCall,
2190        window: &Window,
2191        cx: &Context<Self>,
2192    ) -> AnyElement {
2193        let terminal_data = terminal.read(cx);
2194        let working_dir = terminal_data.working_dir();
2195        let command = terminal_data.command();
2196        let started_at = terminal_data.started_at();
2197
2198        let tool_failed = matches!(
2199            &tool_call.status,
2200            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2201        );
2202
2203        let output = terminal_data.output();
2204        let command_finished = output.is_some();
2205        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
2206        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2207
2208        let command_failed = command_finished
2209            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2210
2211        let time_elapsed = if let Some(output) = output {
2212            output.ended_at.duration_since(started_at)
2213        } else {
2214            started_at.elapsed()
2215        };
2216
2217        let header_bg = cx
2218            .theme()
2219            .colors()
2220            .element_background
2221            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2222        let border_color = cx.theme().colors().border.opacity(0.6);
2223
2224        let working_dir = working_dir
2225            .as_ref()
2226            .map(|path| format!("{}", path.display()))
2227            .unwrap_or_else(|| "current directory".to_string());
2228
2229        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2230
2231        let header = h_flex()
2232            .id(SharedString::from(format!(
2233                "terminal-tool-header-{}",
2234                terminal.entity_id()
2235            )))
2236            .flex_none()
2237            .gap_1()
2238            .justify_between()
2239            .rounded_t_md()
2240            .child(
2241                div()
2242                    .id(("command-target-path", terminal.entity_id()))
2243                    .w_full()
2244                    .max_w_full()
2245                    .overflow_x_scroll()
2246                    .child(
2247                        Label::new(working_dir)
2248                            .buffer_font(cx)
2249                            .size(LabelSize::XSmall)
2250                            .color(Color::Muted),
2251                    ),
2252            )
2253            .when(!command_finished, |header| {
2254                header
2255                    .gap_1p5()
2256                    .child(
2257                        Button::new(
2258                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2259                            "Stop",
2260                        )
2261                        .icon(IconName::Stop)
2262                        .icon_position(IconPosition::Start)
2263                        .icon_size(IconSize::Small)
2264                        .icon_color(Color::Error)
2265                        .label_size(LabelSize::Small)
2266                        .tooltip(move |window, cx| {
2267                            Tooltip::with_meta(
2268                                "Stop This Command",
2269                                None,
2270                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2271                                window,
2272                                cx,
2273                            )
2274                        })
2275                        .on_click({
2276                            let terminal = terminal.clone();
2277                            cx.listener(move |_this, _event, _window, cx| {
2278                                let inner_terminal = terminal.read(cx).inner().clone();
2279                                inner_terminal.update(cx, |inner_terminal, _cx| {
2280                                    inner_terminal.kill_active_task();
2281                                });
2282                            })
2283                        }),
2284                    )
2285                    .child(Divider::vertical())
2286                    .child(
2287                        Icon::new(IconName::ArrowCircle)
2288                            .size(IconSize::XSmall)
2289                            .color(Color::Info)
2290                            .with_animation(
2291                                "arrow-circle",
2292                                Animation::new(Duration::from_secs(2)).repeat(),
2293                                |icon, delta| {
2294                                    icon.transform(Transformation::rotate(percentage(delta)))
2295                                },
2296                            ),
2297                    )
2298            })
2299            .when(tool_failed || command_failed, |header| {
2300                header.child(
2301                    div()
2302                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2303                        .child(
2304                            Icon::new(IconName::Close)
2305                                .size(IconSize::Small)
2306                                .color(Color::Error),
2307                        )
2308                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2309                            this.tooltip(Tooltip::text(format!(
2310                                "Exited with code {}",
2311                                status.code().unwrap_or(-1),
2312                            )))
2313                        }),
2314                )
2315            })
2316            .when(truncated_output, |header| {
2317                let tooltip = if let Some(output) = output {
2318                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2319                        "Output exceeded terminal max lines and was \
2320                            truncated, the model received the first 16 KB."
2321                            .to_string()
2322                    } else {
2323                        format!(
2324                            "Output is {} long, and to avoid unexpected token usage, \
2325                                only 16 KB was sent back to the model.",
2326                            format_file_size(output.original_content_len as u64, true),
2327                        )
2328                    }
2329                } else {
2330                    "Output was truncated".to_string()
2331                };
2332
2333                header.child(
2334                    h_flex()
2335                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2336                        .gap_1()
2337                        .child(
2338                            Icon::new(IconName::Info)
2339                                .size(IconSize::XSmall)
2340                                .color(Color::Ignored),
2341                        )
2342                        .child(
2343                            Label::new("Truncated")
2344                                .color(Color::Muted)
2345                                .size(LabelSize::XSmall),
2346                        )
2347                        .tooltip(Tooltip::text(tooltip)),
2348                )
2349            })
2350            .when(time_elapsed > Duration::from_secs(10), |header| {
2351                header.child(
2352                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2353                        .buffer_font(cx)
2354                        .color(Color::Muted)
2355                        .size(LabelSize::XSmall),
2356                )
2357            })
2358            .child(
2359                Disclosure::new(
2360                    SharedString::from(format!(
2361                        "terminal-tool-disclosure-{}",
2362                        terminal.entity_id()
2363                    )),
2364                    is_expanded,
2365                )
2366                .opened_icon(IconName::ChevronUp)
2367                .closed_icon(IconName::ChevronDown)
2368                .on_click(cx.listener({
2369                    let id = tool_call.id.clone();
2370                    move |this, _event, _window, _cx| {
2371                        if is_expanded {
2372                            this.expanded_tool_calls.remove(&id);
2373                        } else {
2374                            this.expanded_tool_calls.insert(id.clone());
2375                        }
2376                    }})),
2377                );
2378
2379        let terminal_view = self
2380            .entry_view_state
2381            .read(cx)
2382            .entry(entry_ix)
2383            .and_then(|entry| entry.terminal(terminal));
2384        let show_output = is_expanded && terminal_view.is_some();
2385
2386        v_flex()
2387            .mb_2()
2388            .border_1()
2389            .when(tool_failed || command_failed, |card| card.border_dashed())
2390            .border_color(border_color)
2391            .rounded_md()
2392            .overflow_hidden()
2393            .child(
2394                v_flex()
2395                    .py_1p5()
2396                    .pl_2()
2397                    .pr_1p5()
2398                    .gap_0p5()
2399                    .bg(header_bg)
2400                    .text_xs()
2401                    .child(header)
2402                    .child(
2403                        MarkdownElement::new(
2404                            command.clone(),
2405                            terminal_command_markdown_style(window, cx),
2406                        )
2407                        .code_block_renderer(
2408                            markdown::CodeBlockRenderer::Default {
2409                                copy_button: false,
2410                                copy_button_on_hover: true,
2411                                border: false,
2412                            },
2413                        ),
2414                    ),
2415            )
2416            .when(show_output, |this| {
2417                this.child(
2418                    div()
2419                        .pt_2()
2420                        .border_t_1()
2421                        .when(tool_failed || command_failed, |card| card.border_dashed())
2422                        .border_color(border_color)
2423                        .bg(cx.theme().colors().editor_background)
2424                        .rounded_b_md()
2425                        .text_ui_sm(cx)
2426                        .children(terminal_view.clone()),
2427                )
2428            })
2429            .into_any()
2430    }
2431
2432    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2433        let project_context = self
2434            .as_native_thread(cx)?
2435            .read(cx)
2436            .project_context()
2437            .read(cx);
2438
2439        let user_rules_text = if project_context.user_rules.is_empty() {
2440            None
2441        } else if project_context.user_rules.len() == 1 {
2442            let user_rules = &project_context.user_rules[0];
2443
2444            match user_rules.title.as_ref() {
2445                Some(title) => Some(format!("Using \"{title}\" user rule")),
2446                None => Some("Using user rule".into()),
2447            }
2448        } else {
2449            Some(format!(
2450                "Using {} user rules",
2451                project_context.user_rules.len()
2452            ))
2453        };
2454
2455        let first_user_rules_id = project_context
2456            .user_rules
2457            .first()
2458            .map(|user_rules| user_rules.uuid.0);
2459
2460        let rules_files = project_context
2461            .worktrees
2462            .iter()
2463            .filter_map(|worktree| worktree.rules_file.as_ref())
2464            .collect::<Vec<_>>();
2465
2466        let rules_file_text = match rules_files.as_slice() {
2467            &[] => None,
2468            &[rules_file] => Some(format!(
2469                "Using project {:?} file",
2470                rules_file.path_in_worktree
2471            )),
2472            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2473        };
2474
2475        if user_rules_text.is_none() && rules_file_text.is_none() {
2476            return None;
2477        }
2478
2479        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2480
2481        Some(
2482            h_flex()
2483                .px_2p5()
2484                .child(
2485                    Icon::new(IconName::Attach)
2486                        .size(IconSize::XSmall)
2487                        .color(Color::Disabled),
2488                )
2489                .when_some(user_rules_text, |parent, user_rules_text| {
2490                    parent.child(
2491                        h_flex()
2492                            .id("user-rules")
2493                            .ml_1()
2494                            .mr_1p5()
2495                            .child(
2496                                Label::new(user_rules_text)
2497                                    .size(LabelSize::XSmall)
2498                                    .color(Color::Muted)
2499                                    .truncate(),
2500                            )
2501                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2502                            .tooltip(Tooltip::text("View User Rules"))
2503                            .on_click(move |_event, window, cx| {
2504                                window.dispatch_action(
2505                                    Box::new(OpenRulesLibrary {
2506                                        prompt_to_select: first_user_rules_id,
2507                                    }),
2508                                    cx,
2509                                )
2510                            }),
2511                    )
2512                })
2513                .when(has_both, |this| {
2514                    this.child(
2515                        Label::new("")
2516                            .size(LabelSize::XSmall)
2517                            .color(Color::Disabled),
2518                    )
2519                })
2520                .when_some(rules_file_text, |parent, rules_file_text| {
2521                    parent.child(
2522                        h_flex()
2523                            .id("project-rules")
2524                            .ml_1p5()
2525                            .child(
2526                                Label::new(rules_file_text)
2527                                    .size(LabelSize::XSmall)
2528                                    .color(Color::Muted),
2529                            )
2530                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2531                            .tooltip(Tooltip::text("View Project Rules"))
2532                            .on_click(cx.listener(Self::handle_open_rules)),
2533                    )
2534                })
2535                .into_any(),
2536        )
2537    }
2538
2539    fn render_empty_state_section_header(
2540        &self,
2541        label: impl Into<SharedString>,
2542        action_slot: Option<AnyElement>,
2543        cx: &mut Context<Self>,
2544    ) -> impl IntoElement {
2545        div().pl_1().pr_1p5().child(
2546            h_flex()
2547                .mt_2()
2548                .pl_1p5()
2549                .pb_1()
2550                .w_full()
2551                .justify_between()
2552                .border_b_1()
2553                .border_color(cx.theme().colors().border_variant)
2554                .child(
2555                    Label::new(label.into())
2556                        .size(LabelSize::Small)
2557                        .color(Color::Muted),
2558                )
2559                .children(action_slot),
2560        )
2561    }
2562
2563    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2564        let render_history = self
2565            .agent
2566            .clone()
2567            .downcast::<agent2::NativeAgentServer>()
2568            .is_some()
2569            && self
2570                .history_store
2571                .update(cx, |history_store, cx| !history_store.is_empty(cx));
2572
2573        v_flex()
2574            .size_full()
2575            .when(render_history, |this| {
2576                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
2577                    history_store.entries().take(3).collect()
2578                });
2579                this.justify_end().child(
2580                    v_flex()
2581                        .child(
2582                            self.render_empty_state_section_header(
2583                                "Recent",
2584                                Some(
2585                                    Button::new("view-history", "View All")
2586                                        .style(ButtonStyle::Subtle)
2587                                        .label_size(LabelSize::Small)
2588                                        .key_binding(
2589                                            KeyBinding::for_action_in(
2590                                                &OpenHistory,
2591                                                &self.focus_handle(cx),
2592                                                window,
2593                                                cx,
2594                                            )
2595                                            .map(|kb| kb.size(rems_from_px(12.))),
2596                                        )
2597                                        .on_click(move |_event, window, cx| {
2598                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
2599                                        })
2600                                        .into_any_element(),
2601                                ),
2602                                cx,
2603                            ),
2604                        )
2605                        .child(
2606                            v_flex().p_1().pr_1p5().gap_1().children(
2607                                recent_history
2608                                    .into_iter()
2609                                    .enumerate()
2610                                    .map(|(index, entry)| {
2611                                        // TODO: Add keyboard navigation.
2612                                        let is_hovered =
2613                                            self.hovered_recent_history_item == Some(index);
2614                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
2615                                            entry,
2616                                            cx.entity().downgrade(),
2617                                        )
2618                                        .hovered(is_hovered)
2619                                        .on_hover(cx.listener(
2620                                            move |this, is_hovered, _window, cx| {
2621                                                if *is_hovered {
2622                                                    this.hovered_recent_history_item = Some(index);
2623                                                } else if this.hovered_recent_history_item
2624                                                    == Some(index)
2625                                                {
2626                                                    this.hovered_recent_history_item = None;
2627                                                }
2628                                                cx.notify();
2629                                            },
2630                                        ))
2631                                        .into_any_element()
2632                                    }),
2633                            ),
2634                        ),
2635                )
2636            })
2637            .into_any()
2638    }
2639
2640    fn render_auth_required_state(
2641        &self,
2642        connection: &Rc<dyn AgentConnection>,
2643        description: Option<&Entity<Markdown>>,
2644        configuration_view: Option<&AnyView>,
2645        pending_auth_method: Option<&acp::AuthMethodId>,
2646        window: &mut Window,
2647        cx: &Context<Self>,
2648    ) -> Div {
2649        let show_description =
2650            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
2651
2652        v_flex().flex_1().size_full().justify_end().child(
2653            v_flex()
2654                .p_2()
2655                .pr_3()
2656                .w_full()
2657                .gap_1()
2658                .border_t_1()
2659                .border_color(cx.theme().colors().border)
2660                .bg(cx.theme().status().warning.opacity(0.04))
2661                .child(
2662                    h_flex()
2663                        .gap_1p5()
2664                        .child(
2665                            Icon::new(IconName::Warning)
2666                                .color(Color::Warning)
2667                                .size(IconSize::Small),
2668                        )
2669                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
2670                )
2671                .children(description.map(|desc| {
2672                    div().text_ui(cx).child(self.render_markdown(
2673                        desc.clone(),
2674                        default_markdown_style(false, false, window, cx),
2675                    ))
2676                }))
2677                .children(
2678                    configuration_view
2679                        .cloned()
2680                        .map(|view| div().w_full().child(view)),
2681                )
2682                .when(
2683                    show_description,
2684                    |el| {
2685                        el.child(
2686                            Label::new(format!(
2687                                "You are not currently authenticated with {}. Please choose one of the following options:",
2688                                self.agent.name()
2689                            ))
2690                            .size(LabelSize::Small)
2691                            .color(Color::Muted)
2692                            .mb_1()
2693                            .ml_5(),
2694                        )
2695                    },
2696                )
2697                .when_some(pending_auth_method, |el, _| {
2698                    el.child(
2699                        h_flex()
2700                            .py_4()
2701                            .w_full()
2702                            .justify_center()
2703                            .gap_1()
2704                            .child(
2705                                Icon::new(IconName::ArrowCircle)
2706                                    .size(IconSize::Small)
2707                                    .color(Color::Muted)
2708                                    .with_animation(
2709                                        "arrow-circle",
2710                                        Animation::new(Duration::from_secs(2)).repeat(),
2711                                        |icon, delta| {
2712                                            icon.transform(Transformation::rotate(percentage(
2713                                                delta,
2714                                            )))
2715                                        },
2716                                    )
2717                                    .into_any_element(),
2718                            )
2719                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
2720                    )
2721                })
2722                .when(!connection.auth_methods().is_empty(), |this| {
2723                    this.child(
2724                        h_flex()
2725                            .justify_end()
2726                            .flex_wrap()
2727                            .gap_1()
2728                            .when(!show_description, |this| {
2729                                this.border_t_1()
2730                                    .mt_1()
2731                                    .pt_2()
2732                                    .border_color(cx.theme().colors().border.opacity(0.8))
2733                            })
2734                            .children(
2735                                connection
2736                                    .auth_methods()
2737                                    .iter()
2738                                    .enumerate()
2739                                    .rev()
2740                                    .map(|(ix, method)| {
2741                                        Button::new(
2742                                            SharedString::from(method.id.0.clone()),
2743                                            method.name.clone(),
2744                                        )
2745                                        .when(ix == 0, |el| {
2746                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
2747                                        })
2748                                        .label_size(LabelSize::Small)
2749                                        .on_click({
2750                                            let method_id = method.id.clone();
2751                                            cx.listener(move |this, _, window, cx| {
2752                                                telemetry::event!(
2753                                                    "Authenticate Agent Started",
2754                                                    agent = this.agent.telemetry_id(),
2755                                                    method = method_id
2756                                                );
2757
2758                                                this.authenticate(method_id.clone(), window, cx)
2759                                            })
2760                                        })
2761                                    }),
2762                            ),
2763                    )
2764                })
2765
2766        )
2767    }
2768
2769    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2770        let (message, action_slot) = match e {
2771            LoadError::NotInstalled {
2772                error_message,
2773                install_message,
2774                install_command,
2775            } => {
2776                let install_command = install_command.clone();
2777                let button = Button::new("install", install_message)
2778                    .tooltip(Tooltip::text(install_command.clone()))
2779                    .style(ButtonStyle::Outlined)
2780                    .label_size(LabelSize::Small)
2781                    .icon(IconName::Download)
2782                    .icon_size(IconSize::Small)
2783                    .icon_color(Color::Muted)
2784                    .icon_position(IconPosition::Start)
2785                    .on_click(cx.listener(move |this, _, window, cx| {
2786                        telemetry::event!("Agent Install CLI", agent = this.agent.telemetry_id());
2787
2788                        let task = this
2789                            .workspace
2790                            .update(cx, |workspace, cx| {
2791                                let project = workspace.project().read(cx);
2792                                let cwd = project.first_project_directory(cx);
2793                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2794                                let spawn_in_terminal = task::SpawnInTerminal {
2795                                    id: task::TaskId(install_command.clone()),
2796                                    full_label: install_command.clone(),
2797                                    label: install_command.clone(),
2798                                    command: Some(install_command.clone()),
2799                                    args: Vec::new(),
2800                                    command_label: install_command.clone(),
2801                                    cwd,
2802                                    env: Default::default(),
2803                                    use_new_terminal: true,
2804                                    allow_concurrent_runs: true,
2805                                    reveal: Default::default(),
2806                                    reveal_target: Default::default(),
2807                                    hide: Default::default(),
2808                                    shell,
2809                                    show_summary: true,
2810                                    show_command: true,
2811                                    show_rerun: false,
2812                                };
2813                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2814                            })
2815                            .ok();
2816                        let Some(task) = task else { return };
2817                        cx.spawn_in(window, async move |this, cx| {
2818                            if let Some(Ok(_)) = task.await {
2819                                this.update_in(cx, |this, window, cx| {
2820                                    this.reset(window, cx);
2821                                })
2822                                .ok();
2823                            }
2824                        })
2825                        .detach()
2826                    }));
2827
2828                (error_message.clone(), Some(button.into_any_element()))
2829            }
2830            LoadError::Unsupported {
2831                error_message,
2832                upgrade_message,
2833                upgrade_command,
2834            } => {
2835                let upgrade_command = upgrade_command.clone();
2836                let button = Button::new("upgrade", upgrade_message)
2837                    .tooltip(Tooltip::text(upgrade_command.clone()))
2838                    .style(ButtonStyle::Outlined)
2839                    .label_size(LabelSize::Small)
2840                    .icon(IconName::Download)
2841                    .icon_size(IconSize::Small)
2842                    .icon_color(Color::Muted)
2843                    .icon_position(IconPosition::Start)
2844                    .on_click(cx.listener(move |this, _, window, cx| {
2845                        telemetry::event!("Agent Upgrade CLI", agent = this.agent.telemetry_id());
2846
2847                        let task = this
2848                            .workspace
2849                            .update(cx, |workspace, cx| {
2850                                let project = workspace.project().read(cx);
2851                                let cwd = project.first_project_directory(cx);
2852                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2853                                let spawn_in_terminal = task::SpawnInTerminal {
2854                                    id: task::TaskId(upgrade_command.to_string()),
2855                                    full_label: upgrade_command.clone(),
2856                                    label: upgrade_command.clone(),
2857                                    command: Some(upgrade_command.clone()),
2858                                    args: Vec::new(),
2859                                    command_label: upgrade_command.clone(),
2860                                    cwd,
2861                                    env: Default::default(),
2862                                    use_new_terminal: true,
2863                                    allow_concurrent_runs: true,
2864                                    reveal: Default::default(),
2865                                    reveal_target: Default::default(),
2866                                    hide: Default::default(),
2867                                    shell,
2868                                    show_summary: true,
2869                                    show_command: true,
2870                                    show_rerun: false,
2871                                };
2872                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2873                            })
2874                            .ok();
2875                        let Some(task) = task else { return };
2876                        cx.spawn_in(window, async move |this, cx| {
2877                            if let Some(Ok(_)) = task.await {
2878                                this.update_in(cx, |this, window, cx| {
2879                                    this.reset(window, cx);
2880                                })
2881                                .ok();
2882                            }
2883                        })
2884                        .detach()
2885                    }));
2886
2887                (error_message.clone(), Some(button.into_any_element()))
2888            }
2889            LoadError::Exited { .. } => ("Server exited with status {status}".into(), None),
2890            LoadError::Other(msg) => (
2891                msg.into(),
2892                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2893            ),
2894        };
2895
2896        Callout::new()
2897            .severity(Severity::Error)
2898            .icon(IconName::XCircleFilled)
2899            .title("Failed to Launch")
2900            .description(message)
2901            .actions_slot(div().children(action_slot))
2902            .into_any_element()
2903    }
2904
2905    fn render_activity_bar(
2906        &self,
2907        thread_entity: &Entity<AcpThread>,
2908        window: &mut Window,
2909        cx: &Context<Self>,
2910    ) -> Option<AnyElement> {
2911        let thread = thread_entity.read(cx);
2912        let action_log = thread.action_log();
2913        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2914        let plan = thread.plan();
2915
2916        if changed_buffers.is_empty() && plan.is_empty() {
2917            return None;
2918        }
2919
2920        let editor_bg_color = cx.theme().colors().editor_background;
2921        let active_color = cx.theme().colors().element_selected;
2922        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2923
2924        let pending_edits = thread.has_pending_edit_tool_calls();
2925
2926        v_flex()
2927            .mt_1()
2928            .mx_2()
2929            .bg(bg_edit_files_disclosure)
2930            .border_1()
2931            .border_b_0()
2932            .border_color(cx.theme().colors().border)
2933            .rounded_t_md()
2934            .shadow(vec![gpui::BoxShadow {
2935                color: gpui::black().opacity(0.15),
2936                offset: point(px(1.), px(-1.)),
2937                blur_radius: px(3.),
2938                spread_radius: px(0.),
2939            }])
2940            .when(!plan.is_empty(), |this| {
2941                this.child(self.render_plan_summary(plan, window, cx))
2942                    .when(self.plan_expanded, |parent| {
2943                        parent.child(self.render_plan_entries(plan, window, cx))
2944                    })
2945            })
2946            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2947                this.child(Divider::horizontal().color(DividerColor::Border))
2948            })
2949            .when(!changed_buffers.is_empty(), |this| {
2950                this.child(self.render_edits_summary(
2951                    &changed_buffers,
2952                    self.edits_expanded,
2953                    pending_edits,
2954                    window,
2955                    cx,
2956                ))
2957                .when(self.edits_expanded, |parent| {
2958                    parent.child(self.render_edited_files(
2959                        action_log,
2960                        &changed_buffers,
2961                        pending_edits,
2962                        cx,
2963                    ))
2964                })
2965            })
2966            .into_any()
2967            .into()
2968    }
2969
2970    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2971        let stats = plan.stats();
2972
2973        let title = if let Some(entry) = stats.in_progress_entry
2974            && !self.plan_expanded
2975        {
2976            h_flex()
2977                .w_full()
2978                .cursor_default()
2979                .gap_1()
2980                .text_xs()
2981                .text_color(cx.theme().colors().text_muted)
2982                .justify_between()
2983                .child(
2984                    h_flex()
2985                        .gap_1()
2986                        .child(
2987                            Label::new("Current:")
2988                                .size(LabelSize::Small)
2989                                .color(Color::Muted),
2990                        )
2991                        .child(MarkdownElement::new(
2992                            entry.content.clone(),
2993                            plan_label_markdown_style(&entry.status, window, cx),
2994                        )),
2995                )
2996                .when(stats.pending > 0, |this| {
2997                    this.child(
2998                        Label::new(format!("{} left", stats.pending))
2999                            .size(LabelSize::Small)
3000                            .color(Color::Muted)
3001                            .mr_1(),
3002                    )
3003                })
3004        } else {
3005            let status_label = if stats.pending == 0 {
3006                "All Done".to_string()
3007            } else if stats.completed == 0 {
3008                format!("{} Tasks", plan.entries.len())
3009            } else {
3010                format!("{}/{}", stats.completed, plan.entries.len())
3011            };
3012
3013            h_flex()
3014                .w_full()
3015                .gap_1()
3016                .justify_between()
3017                .child(
3018                    Label::new("Plan")
3019                        .size(LabelSize::Small)
3020                        .color(Color::Muted),
3021                )
3022                .child(
3023                    Label::new(status_label)
3024                        .size(LabelSize::Small)
3025                        .color(Color::Muted)
3026                        .mr_1(),
3027                )
3028        };
3029
3030        h_flex()
3031            .p_1()
3032            .justify_between()
3033            .when(self.plan_expanded, |this| {
3034                this.border_b_1().border_color(cx.theme().colors().border)
3035            })
3036            .child(
3037                h_flex()
3038                    .id("plan_summary")
3039                    .w_full()
3040                    .gap_1()
3041                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3042                    .child(title)
3043                    .on_click(cx.listener(|this, _, _, cx| {
3044                        this.plan_expanded = !this.plan_expanded;
3045                        cx.notify();
3046                    })),
3047            )
3048    }
3049
3050    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3051        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3052            let element = h_flex()
3053                .py_1()
3054                .px_2()
3055                .gap_2()
3056                .justify_between()
3057                .bg(cx.theme().colors().editor_background)
3058                .when(index < plan.entries.len() - 1, |parent| {
3059                    parent.border_color(cx.theme().colors().border).border_b_1()
3060                })
3061                .child(
3062                    h_flex()
3063                        .id(("plan_entry", index))
3064                        .gap_1p5()
3065                        .max_w_full()
3066                        .overflow_x_scroll()
3067                        .text_xs()
3068                        .text_color(cx.theme().colors().text_muted)
3069                        .child(match entry.status {
3070                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3071                                .size(IconSize::Small)
3072                                .color(Color::Muted)
3073                                .into_any_element(),
3074                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3075                                .size(IconSize::Small)
3076                                .color(Color::Accent)
3077                                .with_animation(
3078                                    "running",
3079                                    Animation::new(Duration::from_secs(2)).repeat(),
3080                                    |icon, delta| {
3081                                        icon.transform(Transformation::rotate(percentage(delta)))
3082                                    },
3083                                )
3084                                .into_any_element(),
3085                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3086                                .size(IconSize::Small)
3087                                .color(Color::Success)
3088                                .into_any_element(),
3089                        })
3090                        .child(MarkdownElement::new(
3091                            entry.content.clone(),
3092                            plan_label_markdown_style(&entry.status, window, cx),
3093                        )),
3094                );
3095
3096            Some(element)
3097        }))
3098    }
3099
3100    fn render_edits_summary(
3101        &self,
3102        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3103        expanded: bool,
3104        pending_edits: bool,
3105        window: &mut Window,
3106        cx: &Context<Self>,
3107    ) -> Div {
3108        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3109
3110        let focus_handle = self.focus_handle(cx);
3111
3112        h_flex()
3113            .p_1()
3114            .justify_between()
3115            .flex_wrap()
3116            .when(expanded, |this| {
3117                this.border_b_1().border_color(cx.theme().colors().border)
3118            })
3119            .child(
3120                h_flex()
3121                    .id("edits-container")
3122                    .gap_1()
3123                    .child(Disclosure::new("edits-disclosure", expanded))
3124                    .map(|this| {
3125                        if pending_edits {
3126                            this.child(
3127                                Label::new(format!(
3128                                    "Editing {} {}",
3129                                    changed_buffers.len(),
3130                                    if changed_buffers.len() == 1 {
3131                                        "file"
3132                                    } else {
3133                                        "files"
3134                                    }
3135                                ))
3136                                .color(Color::Muted)
3137                                .size(LabelSize::Small)
3138                                .with_animation(
3139                                    "edit-label",
3140                                    Animation::new(Duration::from_secs(2))
3141                                        .repeat()
3142                                        .with_easing(pulsating_between(0.3, 0.7)),
3143                                    |label, delta| label.alpha(delta),
3144                                ),
3145                            )
3146                        } else {
3147                            this.child(
3148                                Label::new("Edits")
3149                                    .size(LabelSize::Small)
3150                                    .color(Color::Muted),
3151                            )
3152                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3153                            .child(
3154                                Label::new(format!(
3155                                    "{} {}",
3156                                    changed_buffers.len(),
3157                                    if changed_buffers.len() == 1 {
3158                                        "file"
3159                                    } else {
3160                                        "files"
3161                                    }
3162                                ))
3163                                .size(LabelSize::Small)
3164                                .color(Color::Muted),
3165                            )
3166                        }
3167                    })
3168                    .on_click(cx.listener(|this, _, _, cx| {
3169                        this.edits_expanded = !this.edits_expanded;
3170                        cx.notify();
3171                    })),
3172            )
3173            .child(
3174                h_flex()
3175                    .gap_1()
3176                    .child(
3177                        IconButton::new("review-changes", IconName::ListTodo)
3178                            .icon_size(IconSize::Small)
3179                            .tooltip({
3180                                let focus_handle = focus_handle.clone();
3181                                move |window, cx| {
3182                                    Tooltip::for_action_in(
3183                                        "Review Changes",
3184                                        &OpenAgentDiff,
3185                                        &focus_handle,
3186                                        window,
3187                                        cx,
3188                                    )
3189                                }
3190                            })
3191                            .on_click(cx.listener(|_, _, window, cx| {
3192                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3193                            })),
3194                    )
3195                    .child(Divider::vertical().color(DividerColor::Border))
3196                    .child(
3197                        Button::new("reject-all-changes", "Reject All")
3198                            .label_size(LabelSize::Small)
3199                            .disabled(pending_edits)
3200                            .when(pending_edits, |this| {
3201                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3202                            })
3203                            .key_binding(
3204                                KeyBinding::for_action_in(
3205                                    &RejectAll,
3206                                    &focus_handle.clone(),
3207                                    window,
3208                                    cx,
3209                                )
3210                                .map(|kb| kb.size(rems_from_px(10.))),
3211                            )
3212                            .on_click(cx.listener(move |this, _, window, cx| {
3213                                this.reject_all(&RejectAll, window, cx);
3214                            })),
3215                    )
3216                    .child(
3217                        Button::new("keep-all-changes", "Keep All")
3218                            .label_size(LabelSize::Small)
3219                            .disabled(pending_edits)
3220                            .when(pending_edits, |this| {
3221                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3222                            })
3223                            .key_binding(
3224                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3225                                    .map(|kb| kb.size(rems_from_px(10.))),
3226                            )
3227                            .on_click(cx.listener(move |this, _, window, cx| {
3228                                this.keep_all(&KeepAll, window, cx);
3229                            })),
3230                    ),
3231            )
3232    }
3233
3234    fn render_edited_files(
3235        &self,
3236        action_log: &Entity<ActionLog>,
3237        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3238        pending_edits: bool,
3239        cx: &Context<Self>,
3240    ) -> Div {
3241        let editor_bg_color = cx.theme().colors().editor_background;
3242
3243        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3244            |(index, (buffer, _diff))| {
3245                let file = buffer.read(cx).file()?;
3246                let path = file.path();
3247
3248                let file_path = path.parent().and_then(|parent| {
3249                    let parent_str = parent.to_string_lossy();
3250
3251                    if parent_str.is_empty() {
3252                        None
3253                    } else {
3254                        Some(
3255                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3256                                .color(Color::Muted)
3257                                .size(LabelSize::XSmall)
3258                                .buffer_font(cx),
3259                        )
3260                    }
3261                });
3262
3263                let file_name = path.file_name().map(|name| {
3264                    Label::new(name.to_string_lossy().to_string())
3265                        .size(LabelSize::XSmall)
3266                        .buffer_font(cx)
3267                });
3268
3269                let file_icon = FileIcons::get_icon(path, cx)
3270                    .map(Icon::from_path)
3271                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3272                    .unwrap_or_else(|| {
3273                        Icon::new(IconName::File)
3274                            .color(Color::Muted)
3275                            .size(IconSize::Small)
3276                    });
3277
3278                let overlay_gradient = linear_gradient(
3279                    90.,
3280                    linear_color_stop(editor_bg_color, 1.),
3281                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3282                );
3283
3284                let element = h_flex()
3285                    .group("edited-code")
3286                    .id(("file-container", index))
3287                    .relative()
3288                    .py_1()
3289                    .pl_2()
3290                    .pr_1()
3291                    .gap_2()
3292                    .justify_between()
3293                    .bg(editor_bg_color)
3294                    .when(index < changed_buffers.len() - 1, |parent| {
3295                        parent.border_color(cx.theme().colors().border).border_b_1()
3296                    })
3297                    .child(
3298                        h_flex()
3299                            .id(("file-name", index))
3300                            .pr_8()
3301                            .gap_1p5()
3302                            .max_w_full()
3303                            .overflow_x_scroll()
3304                            .child(file_icon)
3305                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3306                            .on_click({
3307                                let buffer = buffer.clone();
3308                                cx.listener(move |this, _, window, cx| {
3309                                    this.open_edited_buffer(&buffer, window, cx);
3310                                })
3311                            }),
3312                    )
3313                    .child(
3314                        h_flex()
3315                            .gap_1()
3316                            .visible_on_hover("edited-code")
3317                            .child(
3318                                Button::new("review", "Review")
3319                                    .label_size(LabelSize::Small)
3320                                    .on_click({
3321                                        let buffer = buffer.clone();
3322                                        cx.listener(move |this, _, window, cx| {
3323                                            this.open_edited_buffer(&buffer, window, cx);
3324                                        })
3325                                    }),
3326                            )
3327                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3328                            .child(
3329                                Button::new("reject-file", "Reject")
3330                                    .label_size(LabelSize::Small)
3331                                    .disabled(pending_edits)
3332                                    .on_click({
3333                                        let buffer = buffer.clone();
3334                                        let action_log = action_log.clone();
3335                                        move |_, _, cx| {
3336                                            action_log.update(cx, |action_log, cx| {
3337                                                action_log
3338                                                    .reject_edits_in_ranges(
3339                                                        buffer.clone(),
3340                                                        vec![Anchor::MIN..Anchor::MAX],
3341                                                        cx,
3342                                                    )
3343                                                    .detach_and_log_err(cx);
3344                                            })
3345                                        }
3346                                    }),
3347                            )
3348                            .child(
3349                                Button::new("keep-file", "Keep")
3350                                    .label_size(LabelSize::Small)
3351                                    .disabled(pending_edits)
3352                                    .on_click({
3353                                        let buffer = buffer.clone();
3354                                        let action_log = action_log.clone();
3355                                        move |_, _, cx| {
3356                                            action_log.update(cx, |action_log, cx| {
3357                                                action_log.keep_edits_in_range(
3358                                                    buffer.clone(),
3359                                                    Anchor::MIN..Anchor::MAX,
3360                                                    cx,
3361                                                );
3362                                            })
3363                                        }
3364                                    }),
3365                            ),
3366                    )
3367                    .child(
3368                        div()
3369                            .id("gradient-overlay")
3370                            .absolute()
3371                            .h_full()
3372                            .w_12()
3373                            .top_0()
3374                            .bottom_0()
3375                            .right(px(152.))
3376                            .bg(overlay_gradient),
3377                    );
3378
3379                Some(element)
3380            },
3381        ))
3382    }
3383
3384    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3385        let focus_handle = self.message_editor.focus_handle(cx);
3386        let editor_bg_color = cx.theme().colors().editor_background;
3387        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3388            (IconName::Minimize, "Minimize Message Editor")
3389        } else {
3390            (IconName::Maximize, "Expand Message Editor")
3391        };
3392
3393        let backdrop = div()
3394            .size_full()
3395            .absolute()
3396            .inset_0()
3397            .bg(cx.theme().colors().panel_background)
3398            .opacity(0.8)
3399            .block_mouse_except_scroll();
3400
3401        let enable_editor = match self.thread_state {
3402            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3403            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3404        };
3405
3406        v_flex()
3407            .on_action(cx.listener(Self::expand_message_editor))
3408            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3409                if let Some(profile_selector) = this.profile_selector.as_ref() {
3410                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3411                }
3412            }))
3413            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3414                if let Some(model_selector) = this.model_selector.as_ref() {
3415                    model_selector
3416                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3417                }
3418            }))
3419            .p_2()
3420            .gap_2()
3421            .border_t_1()
3422            .border_color(cx.theme().colors().border)
3423            .bg(editor_bg_color)
3424            .when(self.editor_expanded, |this| {
3425                this.h(vh(0.8, window)).size_full().justify_between()
3426            })
3427            .child(
3428                v_flex()
3429                    .relative()
3430                    .size_full()
3431                    .pt_1()
3432                    .pr_2p5()
3433                    .child(self.message_editor.clone())
3434                    .child(
3435                        h_flex()
3436                            .absolute()
3437                            .top_0()
3438                            .right_0()
3439                            .opacity(0.5)
3440                            .hover(|this| this.opacity(1.0))
3441                            .child(
3442                                IconButton::new("toggle-height", expand_icon)
3443                                    .icon_size(IconSize::Small)
3444                                    .icon_color(Color::Muted)
3445                                    .tooltip({
3446                                        move |window, cx| {
3447                                            Tooltip::for_action_in(
3448                                                expand_tooltip,
3449                                                &ExpandMessageEditor,
3450                                                &focus_handle,
3451                                                window,
3452                                                cx,
3453                                            )
3454                                        }
3455                                    })
3456                                    .on_click(cx.listener(|_, _, window, cx| {
3457                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3458                                    })),
3459                            ),
3460                    ),
3461            )
3462            .child(
3463                h_flex()
3464                    .flex_none()
3465                    .flex_wrap()
3466                    .justify_between()
3467                    .child(
3468                        h_flex()
3469                            .child(self.render_follow_toggle(cx))
3470                            .children(self.render_burn_mode_toggle(cx)),
3471                    )
3472                    .child(
3473                        h_flex()
3474                            .gap_1()
3475                            .children(self.render_token_usage(cx))
3476                            .children(self.profile_selector.clone())
3477                            .children(self.model_selector.clone())
3478                            .child(self.render_send_button(cx)),
3479                    ),
3480            )
3481            .when(!enable_editor, |this| this.child(backdrop))
3482            .into_any()
3483    }
3484
3485    pub(crate) fn as_native_connection(
3486        &self,
3487        cx: &App,
3488    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3489        let acp_thread = self.thread()?.read(cx);
3490        acp_thread.connection().clone().downcast()
3491    }
3492
3493    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3494        let acp_thread = self.thread()?.read(cx);
3495        self.as_native_connection(cx)?
3496            .thread(acp_thread.session_id(), cx)
3497    }
3498
3499    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3500        self.as_native_thread(cx)
3501            .and_then(|thread| thread.read(cx).model())
3502            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3503    }
3504
3505    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3506        let thread = self.thread()?.read(cx);
3507        let usage = thread.token_usage()?;
3508        let is_generating = thread.status() != ThreadStatus::Idle;
3509
3510        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3511        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3512
3513        Some(
3514            h_flex()
3515                .flex_shrink_0()
3516                .gap_0p5()
3517                .mr_1p5()
3518                .child(
3519                    Label::new(used)
3520                        .size(LabelSize::Small)
3521                        .color(Color::Muted)
3522                        .map(|label| {
3523                            if is_generating {
3524                                label
3525                                    .with_animation(
3526                                        "used-tokens-label",
3527                                        Animation::new(Duration::from_secs(2))
3528                                            .repeat()
3529                                            .with_easing(pulsating_between(0.3, 0.8)),
3530                                        |label, delta| label.alpha(delta),
3531                                    )
3532                                    .into_any()
3533                            } else {
3534                                label.into_any_element()
3535                            }
3536                        }),
3537                )
3538                .child(
3539                    Label::new("/")
3540                        .size(LabelSize::Small)
3541                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3542                )
3543                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3544        )
3545    }
3546
3547    fn toggle_burn_mode(
3548        &mut self,
3549        _: &ToggleBurnMode,
3550        _window: &mut Window,
3551        cx: &mut Context<Self>,
3552    ) {
3553        let Some(thread) = self.as_native_thread(cx) else {
3554            return;
3555        };
3556
3557        thread.update(cx, |thread, cx| {
3558            let current_mode = thread.completion_mode();
3559            thread.set_completion_mode(
3560                match current_mode {
3561                    CompletionMode::Burn => CompletionMode::Normal,
3562                    CompletionMode::Normal => CompletionMode::Burn,
3563                },
3564                cx,
3565            );
3566        });
3567    }
3568
3569    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3570        let Some(thread) = self.thread() else {
3571            return;
3572        };
3573        let action_log = thread.read(cx).action_log().clone();
3574        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3575    }
3576
3577    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3578        let Some(thread) = self.thread() else {
3579            return;
3580        };
3581        let action_log = thread.read(cx).action_log().clone();
3582        action_log
3583            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3584            .detach();
3585    }
3586
3587    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3588        let thread = self.as_native_thread(cx)?.read(cx);
3589
3590        if thread
3591            .model()
3592            .is_none_or(|model| !model.supports_burn_mode())
3593        {
3594            return None;
3595        }
3596
3597        let active_completion_mode = thread.completion_mode();
3598        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3599        let icon = if burn_mode_enabled {
3600            IconName::ZedBurnModeOn
3601        } else {
3602            IconName::ZedBurnMode
3603        };
3604
3605        Some(
3606            IconButton::new("burn-mode", icon)
3607                .icon_size(IconSize::Small)
3608                .icon_color(Color::Muted)
3609                .toggle_state(burn_mode_enabled)
3610                .selected_icon_color(Color::Error)
3611                .on_click(cx.listener(|this, _event, window, cx| {
3612                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3613                }))
3614                .tooltip(move |_window, cx| {
3615                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3616                        .into()
3617                })
3618                .into_any_element(),
3619        )
3620    }
3621
3622    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3623        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3624        let is_generating = self
3625            .thread()
3626            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3627
3628        if self.is_loading_contents {
3629            div()
3630                .id("loading-message-content")
3631                .px_1()
3632                .tooltip(Tooltip::text("Loading Added Context…"))
3633                .child(loading_contents_spinner(IconSize::default()))
3634                .into_any_element()
3635        } else if is_generating && is_editor_empty {
3636            IconButton::new("stop-generation", IconName::Stop)
3637                .icon_color(Color::Error)
3638                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3639                .tooltip(move |window, cx| {
3640                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3641                })
3642                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3643                .into_any_element()
3644        } else {
3645            let send_btn_tooltip = if is_editor_empty && !is_generating {
3646                "Type to Send"
3647            } else if is_generating {
3648                "Stop and Send Message"
3649            } else {
3650                "Send"
3651            };
3652
3653            IconButton::new("send-message", IconName::Send)
3654                .style(ButtonStyle::Filled)
3655                .map(|this| {
3656                    if is_editor_empty && !is_generating {
3657                        this.disabled(true).icon_color(Color::Muted)
3658                    } else {
3659                        this.icon_color(Color::Accent)
3660                    }
3661                })
3662                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3663                .on_click(cx.listener(|this, _, window, cx| {
3664                    this.send(window, cx);
3665                }))
3666                .into_any_element()
3667        }
3668    }
3669
3670    fn is_following(&self, cx: &App) -> bool {
3671        match self.thread().map(|thread| thread.read(cx).status()) {
3672            Some(ThreadStatus::Generating) => self
3673                .workspace
3674                .read_with(cx, |workspace, _| {
3675                    workspace.is_being_followed(CollaboratorId::Agent)
3676                })
3677                .unwrap_or(false),
3678            _ => self.should_be_following,
3679        }
3680    }
3681
3682    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3683        let following = self.is_following(cx);
3684
3685        self.should_be_following = !following;
3686        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
3687            self.workspace
3688                .update(cx, |workspace, cx| {
3689                    if following {
3690                        workspace.unfollow(CollaboratorId::Agent, window, cx);
3691                    } else {
3692                        workspace.follow(CollaboratorId::Agent, window, cx);
3693                    }
3694                })
3695                .ok();
3696        }
3697
3698        telemetry::event!("Follow Agent Selected", following = !following);
3699    }
3700
3701    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3702        let following = self.is_following(cx);
3703
3704        let tooltip_label = if following {
3705            if self.agent.name() == "Zed Agent" {
3706                format!("Stop Following the {}", self.agent.name())
3707            } else {
3708                format!("Stop Following {}", self.agent.name())
3709            }
3710        } else {
3711            if self.agent.name() == "Zed Agent" {
3712                format!("Follow the {}", self.agent.name())
3713            } else {
3714                format!("Follow {}", self.agent.name())
3715            }
3716        };
3717
3718        IconButton::new("follow-agent", IconName::Crosshair)
3719            .icon_size(IconSize::Small)
3720            .icon_color(Color::Muted)
3721            .toggle_state(following)
3722            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3723            .tooltip(move |window, cx| {
3724                if following {
3725                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
3726                } else {
3727                    Tooltip::with_meta(
3728                        tooltip_label.clone(),
3729                        Some(&Follow),
3730                        "Track the agent's location as it reads and edits files.",
3731                        window,
3732                        cx,
3733                    )
3734                }
3735            })
3736            .on_click(cx.listener(move |this, _, window, cx| {
3737                this.toggle_following(window, cx);
3738            }))
3739    }
3740
3741    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3742        let workspace = self.workspace.clone();
3743        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3744            Self::open_link(text, &workspace, window, cx);
3745        })
3746    }
3747
3748    fn open_link(
3749        url: SharedString,
3750        workspace: &WeakEntity<Workspace>,
3751        window: &mut Window,
3752        cx: &mut App,
3753    ) {
3754        let Some(workspace) = workspace.upgrade() else {
3755            cx.open_url(&url);
3756            return;
3757        };
3758
3759        if let Some(mention) = MentionUri::parse(&url).log_err() {
3760            workspace.update(cx, |workspace, cx| match mention {
3761                MentionUri::File { abs_path } => {
3762                    let project = workspace.project();
3763                    let Some(path) =
3764                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3765                    else {
3766                        return;
3767                    };
3768
3769                    workspace
3770                        .open_path(path, None, true, window, cx)
3771                        .detach_and_log_err(cx);
3772                }
3773                MentionUri::PastedImage => {}
3774                MentionUri::Directory { abs_path } => {
3775                    let project = workspace.project();
3776                    let Some(entry) = project.update(cx, |project, cx| {
3777                        let path = project.find_project_path(abs_path, cx)?;
3778                        project.entry_for_path(&path, cx)
3779                    }) else {
3780                        return;
3781                    };
3782
3783                    project.update(cx, |_, cx| {
3784                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3785                    });
3786                }
3787                MentionUri::Symbol {
3788                    abs_path: path,
3789                    line_range,
3790                    ..
3791                }
3792                | MentionUri::Selection {
3793                    abs_path: Some(path),
3794                    line_range,
3795                } => {
3796                    let project = workspace.project();
3797                    let Some((path, _)) = project.update(cx, |project, cx| {
3798                        let path = project.find_project_path(path, cx)?;
3799                        let entry = project.entry_for_path(&path, cx)?;
3800                        Some((path, entry))
3801                    }) else {
3802                        return;
3803                    };
3804
3805                    let item = workspace.open_path(path, None, true, window, cx);
3806                    window
3807                        .spawn(cx, async move |cx| {
3808                            let Some(editor) = item.await?.downcast::<Editor>() else {
3809                                return Ok(());
3810                            };
3811                            let range = Point::new(*line_range.start(), 0)
3812                                ..Point::new(*line_range.start(), 0);
3813                            editor
3814                                .update_in(cx, |editor, window, cx| {
3815                                    editor.change_selections(
3816                                        SelectionEffects::scroll(Autoscroll::center()),
3817                                        window,
3818                                        cx,
3819                                        |s| s.select_ranges(vec![range]),
3820                                    );
3821                                })
3822                                .ok();
3823                            anyhow::Ok(())
3824                        })
3825                        .detach_and_log_err(cx);
3826                }
3827                MentionUri::Selection { abs_path: None, .. } => {}
3828                MentionUri::Thread { id, name } => {
3829                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3830                        panel.update(cx, |panel, cx| {
3831                            panel.load_agent_thread(
3832                                DbThreadMetadata {
3833                                    id,
3834                                    title: name.into(),
3835                                    updated_at: Default::default(),
3836                                },
3837                                window,
3838                                cx,
3839                            )
3840                        });
3841                    }
3842                }
3843                MentionUri::TextThread { path, .. } => {
3844                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3845                        panel.update(cx, |panel, cx| {
3846                            panel
3847                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3848                                .detach_and_log_err(cx);
3849                        });
3850                    }
3851                }
3852                MentionUri::Rule { id, .. } => {
3853                    let PromptId::User { uuid } = id else {
3854                        return;
3855                    };
3856                    window.dispatch_action(
3857                        Box::new(OpenRulesLibrary {
3858                            prompt_to_select: Some(uuid.0),
3859                        }),
3860                        cx,
3861                    )
3862                }
3863                MentionUri::Fetch { url } => {
3864                    cx.open_url(url.as_str());
3865                }
3866            })
3867        } else {
3868            cx.open_url(&url);
3869        }
3870    }
3871
3872    fn open_tool_call_location(
3873        &self,
3874        entry_ix: usize,
3875        location_ix: usize,
3876        window: &mut Window,
3877        cx: &mut Context<Self>,
3878    ) -> Option<()> {
3879        let (tool_call_location, agent_location) = self
3880            .thread()?
3881            .read(cx)
3882            .entries()
3883            .get(entry_ix)?
3884            .location(location_ix)?;
3885
3886        let project_path = self
3887            .project
3888            .read(cx)
3889            .find_project_path(&tool_call_location.path, cx)?;
3890
3891        let open_task = self
3892            .workspace
3893            .update(cx, |workspace, cx| {
3894                workspace.open_path(project_path, None, true, window, cx)
3895            })
3896            .log_err()?;
3897        window
3898            .spawn(cx, async move |cx| {
3899                let item = open_task.await?;
3900
3901                let Some(active_editor) = item.downcast::<Editor>() else {
3902                    return anyhow::Ok(());
3903                };
3904
3905                active_editor.update_in(cx, |editor, window, cx| {
3906                    let multibuffer = editor.buffer().read(cx);
3907                    let buffer = multibuffer.as_singleton();
3908                    if agent_location.buffer.upgrade() == buffer {
3909                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3910                        let anchor = editor::Anchor::in_buffer(
3911                            excerpt_id.unwrap(),
3912                            buffer.unwrap().read(cx).remote_id(),
3913                            agent_location.position,
3914                        );
3915                        editor.change_selections(Default::default(), window, cx, |selections| {
3916                            selections.select_anchor_ranges([anchor..anchor]);
3917                        })
3918                    } else {
3919                        let row = tool_call_location.line.unwrap_or_default();
3920                        editor.change_selections(Default::default(), window, cx, |selections| {
3921                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3922                        })
3923                    }
3924                })?;
3925
3926                anyhow::Ok(())
3927            })
3928            .detach_and_log_err(cx);
3929
3930        None
3931    }
3932
3933    pub fn open_thread_as_markdown(
3934        &self,
3935        workspace: Entity<Workspace>,
3936        window: &mut Window,
3937        cx: &mut App,
3938    ) -> Task<anyhow::Result<()>> {
3939        let markdown_language_task = workspace
3940            .read(cx)
3941            .app_state()
3942            .languages
3943            .language_for_name("Markdown");
3944
3945        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3946            let thread = thread.read(cx);
3947            (thread.title().to_string(), thread.to_markdown(cx))
3948        } else {
3949            return Task::ready(Ok(()));
3950        };
3951
3952        window.spawn(cx, async move |cx| {
3953            let markdown_language = markdown_language_task.await?;
3954
3955            workspace.update_in(cx, |workspace, window, cx| {
3956                let project = workspace.project().clone();
3957
3958                if !project.read(cx).is_local() {
3959                    bail!("failed to open active thread as markdown in remote project");
3960                }
3961
3962                let buffer = project.update(cx, |project, cx| {
3963                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3964                });
3965                let buffer = cx.new(|cx| {
3966                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3967                });
3968
3969                workspace.add_item_to_active_pane(
3970                    Box::new(cx.new(|cx| {
3971                        let mut editor =
3972                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3973                        editor.set_breadcrumb_header(thread_summary);
3974                        editor
3975                    })),
3976                    None,
3977                    true,
3978                    window,
3979                    cx,
3980                );
3981
3982                anyhow::Ok(())
3983            })??;
3984            anyhow::Ok(())
3985        })
3986    }
3987
3988    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3989        self.list_state.scroll_to(ListOffset::default());
3990        cx.notify();
3991    }
3992
3993    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3994        if let Some(thread) = self.thread() {
3995            let entry_count = thread.read(cx).entries().len();
3996            self.list_state.reset(entry_count);
3997            cx.notify();
3998        }
3999    }
4000
4001    fn notify_with_sound(
4002        &mut self,
4003        caption: impl Into<SharedString>,
4004        icon: IconName,
4005        window: &mut Window,
4006        cx: &mut Context<Self>,
4007    ) {
4008        self.play_notification_sound(window, cx);
4009        self.show_notification(caption, icon, window, cx);
4010    }
4011
4012    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4013        let settings = AgentSettings::get_global(cx);
4014        if settings.play_sound_when_agent_done && !window.is_window_active() {
4015            Audio::play_sound(Sound::AgentDone, cx);
4016        }
4017    }
4018
4019    fn show_notification(
4020        &mut self,
4021        caption: impl Into<SharedString>,
4022        icon: IconName,
4023        window: &mut Window,
4024        cx: &mut Context<Self>,
4025    ) {
4026        if window.is_window_active() || !self.notifications.is_empty() {
4027            return;
4028        }
4029
4030        // TODO: Change this once we have title summarization for external agents.
4031        let title = self.agent.name();
4032
4033        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4034            NotifyWhenAgentWaiting::PrimaryScreen => {
4035                if let Some(primary) = cx.primary_display() {
4036                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4037                }
4038            }
4039            NotifyWhenAgentWaiting::AllScreens => {
4040                let caption = caption.into();
4041                for screen in cx.displays() {
4042                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4043                }
4044            }
4045            NotifyWhenAgentWaiting::Never => {
4046                // Don't show anything
4047            }
4048        }
4049    }
4050
4051    fn pop_up(
4052        &mut self,
4053        icon: IconName,
4054        caption: SharedString,
4055        title: SharedString,
4056        window: &mut Window,
4057        screen: Rc<dyn PlatformDisplay>,
4058        cx: &mut Context<Self>,
4059    ) {
4060        let options = AgentNotification::window_options(screen, cx);
4061
4062        let project_name = self.workspace.upgrade().and_then(|workspace| {
4063            workspace
4064                .read(cx)
4065                .project()
4066                .read(cx)
4067                .visible_worktrees(cx)
4068                .next()
4069                .map(|worktree| worktree.read(cx).root_name().to_string())
4070        });
4071
4072        if let Some(screen_window) = cx
4073            .open_window(options, |_, cx| {
4074                cx.new(|_| {
4075                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4076                })
4077            })
4078            .log_err()
4079            && let Some(pop_up) = screen_window.entity(cx).log_err()
4080        {
4081            self.notification_subscriptions
4082                .entry(screen_window)
4083                .or_insert_with(Vec::new)
4084                .push(cx.subscribe_in(&pop_up, window, {
4085                    |this, _, event, window, cx| match event {
4086                        AgentNotificationEvent::Accepted => {
4087                            let handle = window.window_handle();
4088                            cx.activate(true);
4089
4090                            let workspace_handle = this.workspace.clone();
4091
4092                            // If there are multiple Zed windows, activate the correct one.
4093                            cx.defer(move |cx| {
4094                                handle
4095                                    .update(cx, |_view, window, _cx| {
4096                                        window.activate_window();
4097
4098                                        if let Some(workspace) = workspace_handle.upgrade() {
4099                                            workspace.update(_cx, |workspace, cx| {
4100                                                workspace.focus_panel::<AgentPanel>(window, cx);
4101                                            });
4102                                        }
4103                                    })
4104                                    .log_err();
4105                            });
4106
4107                            this.dismiss_notifications(cx);
4108                        }
4109                        AgentNotificationEvent::Dismissed => {
4110                            this.dismiss_notifications(cx);
4111                        }
4112                    }
4113                }));
4114
4115            self.notifications.push(screen_window);
4116
4117            // If the user manually refocuses the original window, dismiss the popup.
4118            self.notification_subscriptions
4119                .entry(screen_window)
4120                .or_insert_with(Vec::new)
4121                .push({
4122                    let pop_up_weak = pop_up.downgrade();
4123
4124                    cx.observe_window_activation(window, move |_, window, cx| {
4125                        if window.is_window_active()
4126                            && let Some(pop_up) = pop_up_weak.upgrade()
4127                        {
4128                            pop_up.update(cx, |_, cx| {
4129                                cx.emit(AgentNotificationEvent::Dismissed);
4130                            });
4131                        }
4132                    })
4133                });
4134        }
4135    }
4136
4137    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4138        for window in self.notifications.drain(..) {
4139            window
4140                .update(cx, |_, window, _| {
4141                    window.remove_window();
4142                })
4143                .ok();
4144
4145            self.notification_subscriptions.remove(&window);
4146        }
4147    }
4148
4149    fn render_thread_controls(
4150        &self,
4151        thread: &Entity<AcpThread>,
4152        cx: &Context<Self>,
4153    ) -> impl IntoElement {
4154        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4155        if is_generating {
4156            return h_flex().id("thread-controls-container").ml_1().child(
4157                div()
4158                    .py_2()
4159                    .px(rems_from_px(22.))
4160                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4161            );
4162        }
4163        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4164            .shape(ui::IconButtonShape::Square)
4165            .icon_size(IconSize::Small)
4166            .icon_color(Color::Ignored)
4167            .tooltip(Tooltip::text("Open Thread as Markdown"))
4168            .on_click(cx.listener(move |this, _, window, cx| {
4169                if let Some(workspace) = this.workspace.upgrade() {
4170                    this.open_thread_as_markdown(workspace, window, cx)
4171                        .detach_and_log_err(cx);
4172                }
4173            }));
4174
4175        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4176            .shape(ui::IconButtonShape::Square)
4177            .icon_size(IconSize::Small)
4178            .icon_color(Color::Ignored)
4179            .tooltip(Tooltip::text("Scroll To Top"))
4180            .on_click(cx.listener(move |this, _, _, cx| {
4181                this.scroll_to_top(cx);
4182            }));
4183
4184        let mut container = h_flex()
4185            .id("thread-controls-container")
4186            .group("thread-controls-container")
4187            .w_full()
4188            .mr_1()
4189            .pt_1()
4190            .pb_2()
4191            .px(RESPONSE_PADDING_X)
4192            .gap_px()
4193            .opacity(0.4)
4194            .hover(|style| style.opacity(1.))
4195            .flex_wrap()
4196            .justify_end();
4197
4198        if AgentSettings::get_global(cx).enable_feedback
4199            && self
4200                .thread()
4201                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4202        {
4203            let feedback = self.thread_feedback.feedback;
4204            container = container.child(
4205                div().visible_on_hover("thread-controls-container").child(
4206                    Label::new(
4207                        match feedback {
4208                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4209                            Some(ThreadFeedback::Negative) => "We appreciate your feedback and will use it to improve.",
4210                            None => "Rating the thread sends all of your current conversation to the Zed team.",
4211                        }
4212                    )
4213                    .color(Color::Muted)
4214                    .size(LabelSize::XSmall)
4215                    .truncate(),
4216                ),
4217            ).child(
4218                h_flex()
4219                    .child(
4220                        IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4221                            .shape(ui::IconButtonShape::Square)
4222                            .icon_size(IconSize::Small)
4223                            .icon_color(match feedback {
4224                                Some(ThreadFeedback::Positive) => Color::Accent,
4225                                _ => Color::Ignored,
4226                            })
4227                            .tooltip(Tooltip::text("Helpful Response"))
4228                            .on_click(cx.listener(move |this, _, window, cx| {
4229                                this.handle_feedback_click(
4230                                    ThreadFeedback::Positive,
4231                                    window,
4232                                    cx,
4233                                );
4234                            })),
4235                    )
4236                    .child(
4237                        IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4238                            .shape(ui::IconButtonShape::Square)
4239                            .icon_size(IconSize::Small)
4240                            .icon_color(match feedback {
4241                                Some(ThreadFeedback::Negative) => Color::Accent,
4242                                _ => Color::Ignored,
4243                            })
4244                            .tooltip(Tooltip::text("Not Helpful"))
4245                            .on_click(cx.listener(move |this, _, window, cx| {
4246                                this.handle_feedback_click(
4247                                    ThreadFeedback::Negative,
4248                                    window,
4249                                    cx,
4250                                );
4251                            })),
4252                    )
4253            )
4254        }
4255
4256        container.child(open_as_markdown).child(scroll_to_top)
4257    }
4258
4259    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4260        h_flex()
4261            .key_context("AgentFeedbackMessageEditor")
4262            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4263                this.thread_feedback.dismiss_comments();
4264                cx.notify();
4265            }))
4266            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4267                this.submit_feedback_message(cx);
4268            }))
4269            .p_2()
4270            .mb_2()
4271            .mx_5()
4272            .gap_1()
4273            .rounded_md()
4274            .border_1()
4275            .border_color(cx.theme().colors().border)
4276            .bg(cx.theme().colors().editor_background)
4277            .child(div().w_full().child(editor))
4278            .child(
4279                h_flex()
4280                    .child(
4281                        IconButton::new("dismiss-feedback-message", IconName::Close)
4282                            .icon_color(Color::Error)
4283                            .icon_size(IconSize::XSmall)
4284                            .shape(ui::IconButtonShape::Square)
4285                            .on_click(cx.listener(move |this, _, _window, cx| {
4286                                this.thread_feedback.dismiss_comments();
4287                                cx.notify();
4288                            })),
4289                    )
4290                    .child(
4291                        IconButton::new("submit-feedback-message", IconName::Return)
4292                            .icon_size(IconSize::XSmall)
4293                            .shape(ui::IconButtonShape::Square)
4294                            .on_click(cx.listener(move |this, _, _window, cx| {
4295                                this.submit_feedback_message(cx);
4296                            })),
4297                    ),
4298            )
4299    }
4300
4301    fn handle_feedback_click(
4302        &mut self,
4303        feedback: ThreadFeedback,
4304        window: &mut Window,
4305        cx: &mut Context<Self>,
4306    ) {
4307        let Some(thread) = self.thread().cloned() else {
4308            return;
4309        };
4310
4311        self.thread_feedback.submit(thread, feedback, window, cx);
4312        cx.notify();
4313    }
4314
4315    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4316        let Some(thread) = self.thread().cloned() else {
4317            return;
4318        };
4319
4320        self.thread_feedback.submit_comments(thread, cx);
4321        cx.notify();
4322    }
4323
4324    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4325        div()
4326            .id("acp-thread-scrollbar")
4327            .occlude()
4328            .on_mouse_move(cx.listener(|_, _, _, cx| {
4329                cx.notify();
4330                cx.stop_propagation()
4331            }))
4332            .on_hover(|_, _, cx| {
4333                cx.stop_propagation();
4334            })
4335            .on_any_mouse_down(|_, _, cx| {
4336                cx.stop_propagation();
4337            })
4338            .on_mouse_up(
4339                MouseButton::Left,
4340                cx.listener(|_, _, _, cx| {
4341                    cx.stop_propagation();
4342                }),
4343            )
4344            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4345                cx.notify();
4346            }))
4347            .h_full()
4348            .absolute()
4349            .right_1()
4350            .top_1()
4351            .bottom_0()
4352            .w(px(12.))
4353            .cursor_default()
4354            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4355    }
4356
4357    fn render_token_limit_callout(
4358        &self,
4359        line_height: Pixels,
4360        cx: &mut Context<Self>,
4361    ) -> Option<Callout> {
4362        let token_usage = self.thread()?.read(cx).token_usage()?;
4363        let ratio = token_usage.ratio();
4364
4365        let (severity, title) = match ratio {
4366            acp_thread::TokenUsageRatio::Normal => return None,
4367            acp_thread::TokenUsageRatio::Warning => {
4368                (Severity::Warning, "Thread reaching the token limit soon")
4369            }
4370            acp_thread::TokenUsageRatio::Exceeded => {
4371                (Severity::Error, "Thread reached the token limit")
4372            }
4373        };
4374
4375        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4376            thread.read(cx).completion_mode() == CompletionMode::Normal
4377                && thread
4378                    .read(cx)
4379                    .model()
4380                    .is_some_and(|model| model.supports_burn_mode())
4381        });
4382
4383        let description = if burn_mode_available {
4384            "To continue, start a new thread from a summary or turn Burn Mode on."
4385        } else {
4386            "To continue, start a new thread from a summary."
4387        };
4388
4389        Some(
4390            Callout::new()
4391                .severity(severity)
4392                .line_height(line_height)
4393                .title(title)
4394                .description(description)
4395                .actions_slot(
4396                    h_flex()
4397                        .gap_0p5()
4398                        .child(
4399                            Button::new("start-new-thread", "Start New Thread")
4400                                .label_size(LabelSize::Small)
4401                                .on_click(cx.listener(|this, _, window, cx| {
4402                                    let Some(thread) = this.thread() else {
4403                                        return;
4404                                    };
4405                                    let session_id = thread.read(cx).session_id().clone();
4406                                    window.dispatch_action(
4407                                        crate::NewNativeAgentThreadFromSummary {
4408                                            from_session_id: session_id,
4409                                        }
4410                                        .boxed_clone(),
4411                                        cx,
4412                                    );
4413                                })),
4414                        )
4415                        .when(burn_mode_available, |this| {
4416                            this.child(
4417                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4418                                    .icon_size(IconSize::XSmall)
4419                                    .on_click(cx.listener(|this, _event, window, cx| {
4420                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4421                                    })),
4422                            )
4423                        }),
4424                ),
4425        )
4426    }
4427
4428    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4429        if !self.is_using_zed_ai_models(cx) {
4430            return None;
4431        }
4432
4433        let user_store = self.project.read(cx).user_store().read(cx);
4434        if user_store.is_usage_based_billing_enabled() {
4435            return None;
4436        }
4437
4438        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4439
4440        let usage = user_store.model_request_usage()?;
4441
4442        Some(
4443            div()
4444                .child(UsageCallout::new(plan, usage))
4445                .line_height(line_height),
4446        )
4447    }
4448
4449    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4450        self.entry_view_state.update(cx, |entry_view_state, cx| {
4451            entry_view_state.settings_changed(cx);
4452        });
4453    }
4454
4455    pub(crate) fn insert_dragged_files(
4456        &self,
4457        paths: Vec<project::ProjectPath>,
4458        added_worktrees: Vec<Entity<project::Worktree>>,
4459        window: &mut Window,
4460        cx: &mut Context<Self>,
4461    ) {
4462        self.message_editor.update(cx, |message_editor, cx| {
4463            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4464        })
4465    }
4466
4467    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4468        self.message_editor.update(cx, |message_editor, cx| {
4469            message_editor.insert_selections(window, cx);
4470        })
4471    }
4472
4473    fn render_thread_retry_status_callout(
4474        &self,
4475        _window: &mut Window,
4476        _cx: &mut Context<Self>,
4477    ) -> Option<Callout> {
4478        let state = self.thread_retry_status.as_ref()?;
4479
4480        let next_attempt_in = state
4481            .duration
4482            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4483        if next_attempt_in.is_zero() {
4484            return None;
4485        }
4486
4487        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4488
4489        let retry_message = if state.max_attempts == 1 {
4490            if next_attempt_in_secs == 1 {
4491                "Retrying. Next attempt in 1 second.".to_string()
4492            } else {
4493                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4494            }
4495        } else if next_attempt_in_secs == 1 {
4496            format!(
4497                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4498                state.attempt, state.max_attempts,
4499            )
4500        } else {
4501            format!(
4502                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4503                state.attempt, state.max_attempts,
4504            )
4505        };
4506
4507        Some(
4508            Callout::new()
4509                .severity(Severity::Warning)
4510                .title(state.last_error.clone())
4511                .description(retry_message),
4512        )
4513    }
4514
4515    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4516        let content = match self.thread_error.as_ref()? {
4517            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4518            ThreadError::AuthenticationRequired(error) => {
4519                self.render_authentication_required_error(error.clone(), cx)
4520            }
4521            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4522            ThreadError::ModelRequestLimitReached(plan) => {
4523                self.render_model_request_limit_reached_error(*plan, cx)
4524            }
4525            ThreadError::ToolUseLimitReached => {
4526                self.render_tool_use_limit_reached_error(window, cx)?
4527            }
4528        };
4529
4530        Some(div().child(content))
4531    }
4532
4533    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4534        let can_resume = self
4535            .thread()
4536            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4537
4538        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4539            let thread = thread.read(cx);
4540            let supports_burn_mode = thread
4541                .model()
4542                .map_or(false, |model| model.supports_burn_mode());
4543            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4544        });
4545
4546        Callout::new()
4547            .severity(Severity::Error)
4548            .title("Error")
4549            .icon(IconName::XCircle)
4550            .description(error.clone())
4551            .actions_slot(
4552                h_flex()
4553                    .gap_0p5()
4554                    .when(can_resume && can_enable_burn_mode, |this| {
4555                        this.child(
4556                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
4557                                .icon(IconName::ZedBurnMode)
4558                                .icon_position(IconPosition::Start)
4559                                .icon_size(IconSize::Small)
4560                                .label_size(LabelSize::Small)
4561                                .on_click(cx.listener(|this, _, window, cx| {
4562                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4563                                    this.resume_chat(cx);
4564                                })),
4565                        )
4566                    })
4567                    .when(can_resume, |this| {
4568                        this.child(
4569                            Button::new("retry", "Retry")
4570                                .icon(IconName::RotateCw)
4571                                .icon_position(IconPosition::Start)
4572                                .icon_size(IconSize::Small)
4573                                .label_size(LabelSize::Small)
4574                                .on_click(cx.listener(|this, _, _window, cx| {
4575                                    this.resume_chat(cx);
4576                                })),
4577                        )
4578                    })
4579                    .child(self.create_copy_button(error.to_string())),
4580            )
4581            .dismiss_action(self.dismiss_error_button(cx))
4582    }
4583
4584    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
4585        const ERROR_MESSAGE: &str =
4586            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
4587
4588        Callout::new()
4589            .severity(Severity::Error)
4590            .icon(IconName::XCircle)
4591            .title("Free Usage Exceeded")
4592            .description(ERROR_MESSAGE)
4593            .actions_slot(
4594                h_flex()
4595                    .gap_0p5()
4596                    .child(self.upgrade_button(cx))
4597                    .child(self.create_copy_button(ERROR_MESSAGE)),
4598            )
4599            .dismiss_action(self.dismiss_error_button(cx))
4600    }
4601
4602    fn render_authentication_required_error(
4603        &self,
4604        error: SharedString,
4605        cx: &mut Context<Self>,
4606    ) -> Callout {
4607        Callout::new()
4608            .severity(Severity::Error)
4609            .title("Authentication Required")
4610            .icon(IconName::XCircle)
4611            .description(error.clone())
4612            .actions_slot(
4613                h_flex()
4614                    .gap_0p5()
4615                    .child(self.authenticate_button(cx))
4616                    .child(self.create_copy_button(error)),
4617            )
4618            .dismiss_action(self.dismiss_error_button(cx))
4619    }
4620
4621    fn render_model_request_limit_reached_error(
4622        &self,
4623        plan: cloud_llm_client::Plan,
4624        cx: &mut Context<Self>,
4625    ) -> Callout {
4626        let error_message = match plan {
4627            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
4628            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
4629                "Upgrade to Zed Pro for more prompts."
4630            }
4631        };
4632
4633        Callout::new()
4634            .severity(Severity::Error)
4635            .title("Model Prompt Limit Reached")
4636            .icon(IconName::XCircle)
4637            .description(error_message)
4638            .actions_slot(
4639                h_flex()
4640                    .gap_0p5()
4641                    .child(self.upgrade_button(cx))
4642                    .child(self.create_copy_button(error_message)),
4643            )
4644            .dismiss_action(self.dismiss_error_button(cx))
4645    }
4646
4647    fn render_tool_use_limit_reached_error(
4648        &self,
4649        window: &mut Window,
4650        cx: &mut Context<Self>,
4651    ) -> Option<Callout> {
4652        let thread = self.as_native_thread(cx)?;
4653        let supports_burn_mode = thread
4654            .read(cx)
4655            .model()
4656            .is_some_and(|model| model.supports_burn_mode());
4657
4658        let focus_handle = self.focus_handle(cx);
4659
4660        Some(
4661            Callout::new()
4662                .icon(IconName::Info)
4663                .title("Consecutive tool use limit reached.")
4664                .actions_slot(
4665                    h_flex()
4666                        .gap_0p5()
4667                        .when(supports_burn_mode, |this| {
4668                            this.child(
4669                                Button::new("continue-burn-mode", "Continue with Burn Mode")
4670                                    .style(ButtonStyle::Filled)
4671                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4672                                    .layer(ElevationIndex::ModalSurface)
4673                                    .label_size(LabelSize::Small)
4674                                    .key_binding(
4675                                        KeyBinding::for_action_in(
4676                                            &ContinueWithBurnMode,
4677                                            &focus_handle,
4678                                            window,
4679                                            cx,
4680                                        )
4681                                        .map(|kb| kb.size(rems_from_px(10.))),
4682                                    )
4683                                    .tooltip(Tooltip::text(
4684                                        "Enable Burn Mode for unlimited tool use.",
4685                                    ))
4686                                    .on_click({
4687                                        cx.listener(move |this, _, _window, cx| {
4688                                            thread.update(cx, |thread, cx| {
4689                                                thread
4690                                                    .set_completion_mode(CompletionMode::Burn, cx);
4691                                            });
4692                                            this.resume_chat(cx);
4693                                        })
4694                                    }),
4695                            )
4696                        })
4697                        .child(
4698                            Button::new("continue-conversation", "Continue")
4699                                .layer(ElevationIndex::ModalSurface)
4700                                .label_size(LabelSize::Small)
4701                                .key_binding(
4702                                    KeyBinding::for_action_in(
4703                                        &ContinueThread,
4704                                        &focus_handle,
4705                                        window,
4706                                        cx,
4707                                    )
4708                                    .map(|kb| kb.size(rems_from_px(10.))),
4709                                )
4710                                .on_click(cx.listener(|this, _, _window, cx| {
4711                                    this.resume_chat(cx);
4712                                })),
4713                        ),
4714                ),
4715        )
4716    }
4717
4718    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
4719        let message = message.into();
4720
4721        IconButton::new("copy", IconName::Copy)
4722            .icon_size(IconSize::Small)
4723            .icon_color(Color::Muted)
4724            .tooltip(Tooltip::text("Copy Error Message"))
4725            .on_click(move |_, _, cx| {
4726                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
4727            })
4728    }
4729
4730    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4731        IconButton::new("dismiss", IconName::Close)
4732            .icon_size(IconSize::Small)
4733            .icon_color(Color::Muted)
4734            .tooltip(Tooltip::text("Dismiss Error"))
4735            .on_click(cx.listener({
4736                move |this, _, _, cx| {
4737                    this.clear_thread_error(cx);
4738                    cx.notify();
4739                }
4740            }))
4741    }
4742
4743    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4744        Button::new("authenticate", "Authenticate")
4745            .label_size(LabelSize::Small)
4746            .style(ButtonStyle::Filled)
4747            .on_click(cx.listener({
4748                move |this, _, window, cx| {
4749                    let agent = this.agent.clone();
4750                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
4751                        return;
4752                    };
4753
4754                    let connection = thread.read(cx).connection().clone();
4755                    let err = AuthRequired {
4756                        description: None,
4757                        provider_id: None,
4758                    };
4759                    this.clear_thread_error(cx);
4760                    let this = cx.weak_entity();
4761                    window.defer(cx, |window, cx| {
4762                        Self::handle_auth_required(this, err, agent, connection, window, cx);
4763                    })
4764                }
4765            }))
4766    }
4767
4768    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4769        let agent = self.agent.clone();
4770        let ThreadState::Ready { thread, .. } = &self.thread_state else {
4771            return;
4772        };
4773
4774        let connection = thread.read(cx).connection().clone();
4775        let err = AuthRequired {
4776            description: None,
4777            provider_id: None,
4778        };
4779        self.clear_thread_error(cx);
4780        let this = cx.weak_entity();
4781        window.defer(cx, |window, cx| {
4782            Self::handle_auth_required(this, err, agent, connection, window, cx);
4783        })
4784    }
4785
4786    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4787        Button::new("upgrade", "Upgrade")
4788            .label_size(LabelSize::Small)
4789            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
4790            .on_click(cx.listener({
4791                move |this, _, _, cx| {
4792                    this.clear_thread_error(cx);
4793                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
4794                }
4795            }))
4796    }
4797
4798    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4799        self.thread_state = Self::initial_state(
4800            self.agent.clone(),
4801            None,
4802            self.workspace.clone(),
4803            self.project.clone(),
4804            window,
4805            cx,
4806        );
4807        cx.notify();
4808    }
4809
4810    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
4811        let task = match entry {
4812            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
4813                history.delete_thread(thread.id.clone(), cx)
4814            }),
4815            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
4816                history.delete_text_thread(context.path.clone(), cx)
4817            }),
4818        };
4819        task.detach_and_log_err(cx);
4820    }
4821}
4822
4823fn loading_contents_spinner(size: IconSize) -> AnyElement {
4824    Icon::new(IconName::LoadCircle)
4825        .size(size)
4826        .color(Color::Accent)
4827        .with_animation(
4828            "load_context_circle",
4829            Animation::new(Duration::from_secs(3)).repeat(),
4830            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
4831        )
4832        .into_any_element()
4833}
4834
4835impl Focusable for AcpThreadView {
4836    fn focus_handle(&self, cx: &App) -> FocusHandle {
4837        match self.thread_state {
4838            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
4839                self.message_editor.focus_handle(cx)
4840            }
4841            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
4842                self.focus_handle.clone()
4843            }
4844        }
4845    }
4846}
4847
4848impl Render for AcpThreadView {
4849    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4850        let has_messages = self.list_state.item_count() > 0;
4851        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
4852
4853        v_flex()
4854            .size_full()
4855            .key_context("AcpThread")
4856            .on_action(cx.listener(Self::open_agent_diff))
4857            .on_action(cx.listener(Self::toggle_burn_mode))
4858            .on_action(cx.listener(Self::keep_all))
4859            .on_action(cx.listener(Self::reject_all))
4860            .track_focus(&self.focus_handle)
4861            .bg(cx.theme().colors().panel_background)
4862            .child(match &self.thread_state {
4863                ThreadState::Unauthenticated {
4864                    connection,
4865                    description,
4866                    configuration_view,
4867                    pending_auth_method,
4868                    ..
4869                } => self.render_auth_required_state(
4870                    connection,
4871                    description.as_ref(),
4872                    configuration_view.as_ref(),
4873                    pending_auth_method.as_ref(),
4874                    window,
4875                    cx,
4876                ),
4877                ThreadState::Loading { .. } => v_flex()
4878                    .flex_1()
4879                    .child(self.render_recent_history(window, cx)),
4880                ThreadState::LoadError(e) => v_flex()
4881                    .flex_1()
4882                    .size_full()
4883                    .items_center()
4884                    .justify_end()
4885                    .child(self.render_load_error(e, cx)),
4886                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
4887                    if has_messages {
4888                        this.child(
4889                            list(
4890                                self.list_state.clone(),
4891                                cx.processor(|this, index: usize, window, cx| {
4892                                    let Some((entry, len)) = this.thread().and_then(|thread| {
4893                                        let entries = &thread.read(cx).entries();
4894                                        Some((entries.get(index)?, entries.len()))
4895                                    }) else {
4896                                        return Empty.into_any();
4897                                    };
4898                                    this.render_entry(index, len, entry, window, cx)
4899                                }),
4900                            )
4901                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
4902                            .flex_grow()
4903                            .into_any(),
4904                        )
4905                        .child(self.render_vertical_scrollbar(cx))
4906                    } else {
4907                        this.child(self.render_recent_history(window, cx))
4908                    }
4909                }),
4910            })
4911            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
4912            // above so that the scrollbar doesn't render behind it. The current setup allows
4913            // the scrollbar to stop exactly at the activity bar start.
4914            .when(has_messages, |this| match &self.thread_state {
4915                ThreadState::Ready { thread, .. } => {
4916                    this.children(self.render_activity_bar(thread, window, cx))
4917                }
4918                _ => this,
4919            })
4920            .children(self.render_thread_retry_status_callout(window, cx))
4921            .children(self.render_thread_error(window, cx))
4922            .children(
4923                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
4924                    Some(usage_callout.into_any_element())
4925                } else {
4926                    self.render_token_limit_callout(line_height, cx)
4927                        .map(|token_limit_callout| token_limit_callout.into_any_element())
4928                },
4929            )
4930            .child(self.render_message_editor(window, cx))
4931    }
4932}
4933
4934fn default_markdown_style(
4935    buffer_font: bool,
4936    muted_text: bool,
4937    window: &Window,
4938    cx: &App,
4939) -> MarkdownStyle {
4940    let theme_settings = ThemeSettings::get_global(cx);
4941    let colors = cx.theme().colors();
4942
4943    let buffer_font_size = TextSize::Small.rems(cx);
4944
4945    let mut text_style = window.text_style();
4946    let line_height = buffer_font_size * 1.75;
4947
4948    let font_family = if buffer_font {
4949        theme_settings.buffer_font.family.clone()
4950    } else {
4951        theme_settings.ui_font.family.clone()
4952    };
4953
4954    let font_size = if buffer_font {
4955        TextSize::Small.rems(cx)
4956    } else {
4957        TextSize::Default.rems(cx)
4958    };
4959
4960    let text_color = if muted_text {
4961        colors.text_muted
4962    } else {
4963        colors.text
4964    };
4965
4966    text_style.refine(&TextStyleRefinement {
4967        font_family: Some(font_family),
4968        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
4969        font_features: Some(theme_settings.ui_font.features.clone()),
4970        font_size: Some(font_size.into()),
4971        line_height: Some(line_height.into()),
4972        color: Some(text_color),
4973        ..Default::default()
4974    });
4975
4976    MarkdownStyle {
4977        base_text_style: text_style.clone(),
4978        syntax: cx.theme().syntax().clone(),
4979        selection_background_color: colors.element_selection_background,
4980        code_block_overflow_x_scroll: true,
4981        table_overflow_x_scroll: true,
4982        heading_level_styles: Some(HeadingLevelStyles {
4983            h1: Some(TextStyleRefinement {
4984                font_size: Some(rems(1.15).into()),
4985                ..Default::default()
4986            }),
4987            h2: Some(TextStyleRefinement {
4988                font_size: Some(rems(1.1).into()),
4989                ..Default::default()
4990            }),
4991            h3: Some(TextStyleRefinement {
4992                font_size: Some(rems(1.05).into()),
4993                ..Default::default()
4994            }),
4995            h4: Some(TextStyleRefinement {
4996                font_size: Some(rems(1.).into()),
4997                ..Default::default()
4998            }),
4999            h5: Some(TextStyleRefinement {
5000                font_size: Some(rems(0.95).into()),
5001                ..Default::default()
5002            }),
5003            h6: Some(TextStyleRefinement {
5004                font_size: Some(rems(0.875).into()),
5005                ..Default::default()
5006            }),
5007        }),
5008        code_block: StyleRefinement {
5009            padding: EdgesRefinement {
5010                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5011                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5012                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5013                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5014            },
5015            margin: EdgesRefinement {
5016                top: Some(Length::Definite(Pixels(8.).into())),
5017                left: Some(Length::Definite(Pixels(0.).into())),
5018                right: Some(Length::Definite(Pixels(0.).into())),
5019                bottom: Some(Length::Definite(Pixels(12.).into())),
5020            },
5021            border_style: Some(BorderStyle::Solid),
5022            border_widths: EdgesRefinement {
5023                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5024                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5025                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5026                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5027            },
5028            border_color: Some(colors.border_variant),
5029            background: Some(colors.editor_background.into()),
5030            text: Some(TextStyleRefinement {
5031                font_family: Some(theme_settings.buffer_font.family.clone()),
5032                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5033                font_features: Some(theme_settings.buffer_font.features.clone()),
5034                font_size: Some(buffer_font_size.into()),
5035                ..Default::default()
5036            }),
5037            ..Default::default()
5038        },
5039        inline_code: TextStyleRefinement {
5040            font_family: Some(theme_settings.buffer_font.family.clone()),
5041            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5042            font_features: Some(theme_settings.buffer_font.features.clone()),
5043            font_size: Some(buffer_font_size.into()),
5044            background_color: Some(colors.editor_foreground.opacity(0.08)),
5045            ..Default::default()
5046        },
5047        link: TextStyleRefinement {
5048            background_color: Some(colors.editor_foreground.opacity(0.025)),
5049            underline: Some(UnderlineStyle {
5050                color: Some(colors.text_accent.opacity(0.5)),
5051                thickness: px(1.),
5052                ..Default::default()
5053            }),
5054            ..Default::default()
5055        },
5056        ..Default::default()
5057    }
5058}
5059
5060fn plan_label_markdown_style(
5061    status: &acp::PlanEntryStatus,
5062    window: &Window,
5063    cx: &App,
5064) -> MarkdownStyle {
5065    let default_md_style = default_markdown_style(false, false, window, cx);
5066
5067    MarkdownStyle {
5068        base_text_style: TextStyle {
5069            color: cx.theme().colors().text_muted,
5070            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5071                Some(gpui::StrikethroughStyle {
5072                    thickness: px(1.),
5073                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5074                })
5075            } else {
5076                None
5077            },
5078            ..default_md_style.base_text_style
5079        },
5080        ..default_md_style
5081    }
5082}
5083
5084fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5085    let default_md_style = default_markdown_style(true, false, window, cx);
5086
5087    MarkdownStyle {
5088        base_text_style: TextStyle {
5089            ..default_md_style.base_text_style
5090        },
5091        selection_background_color: cx.theme().colors().element_selection_background,
5092        ..Default::default()
5093    }
5094}
5095
5096#[cfg(test)]
5097pub(crate) mod tests {
5098    use acp_thread::StubAgentConnection;
5099    use agent_client_protocol::SessionId;
5100    use assistant_context::ContextStore;
5101    use editor::EditorSettings;
5102    use fs::FakeFs;
5103    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5104    use project::Project;
5105    use serde_json::json;
5106    use settings::SettingsStore;
5107    use std::any::Any;
5108    use std::path::Path;
5109    use workspace::Item;
5110
5111    use super::*;
5112
5113    #[gpui::test]
5114    async fn test_drop(cx: &mut TestAppContext) {
5115        init_test(cx);
5116
5117        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5118        let weak_view = thread_view.downgrade();
5119        drop(thread_view);
5120        assert!(!weak_view.is_upgradable());
5121    }
5122
5123    #[gpui::test]
5124    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5125        init_test(cx);
5126
5127        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5128
5129        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5130        message_editor.update_in(cx, |editor, window, cx| {
5131            editor.set_text("Hello", window, cx);
5132        });
5133
5134        cx.deactivate_window();
5135
5136        thread_view.update_in(cx, |thread_view, window, cx| {
5137            thread_view.send(window, cx);
5138        });
5139
5140        cx.run_until_parked();
5141
5142        assert!(
5143            cx.windows()
5144                .iter()
5145                .any(|window| window.downcast::<AgentNotification>().is_some())
5146        );
5147    }
5148
5149    #[gpui::test]
5150    async fn test_notification_for_error(cx: &mut TestAppContext) {
5151        init_test(cx);
5152
5153        let (thread_view, cx) =
5154            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5155
5156        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5157        message_editor.update_in(cx, |editor, window, cx| {
5158            editor.set_text("Hello", window, cx);
5159        });
5160
5161        cx.deactivate_window();
5162
5163        thread_view.update_in(cx, |thread_view, window, cx| {
5164            thread_view.send(window, cx);
5165        });
5166
5167        cx.run_until_parked();
5168
5169        assert!(
5170            cx.windows()
5171                .iter()
5172                .any(|window| window.downcast::<AgentNotification>().is_some())
5173        );
5174    }
5175
5176    #[gpui::test]
5177    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5178        init_test(cx);
5179
5180        let tool_call_id = acp::ToolCallId("1".into());
5181        let tool_call = acp::ToolCall {
5182            id: tool_call_id.clone(),
5183            title: "Label".into(),
5184            kind: acp::ToolKind::Edit,
5185            status: acp::ToolCallStatus::Pending,
5186            content: vec!["hi".into()],
5187            locations: vec![],
5188            raw_input: None,
5189            raw_output: None,
5190        };
5191        let connection =
5192            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5193                tool_call_id,
5194                vec![acp::PermissionOption {
5195                    id: acp::PermissionOptionId("1".into()),
5196                    name: "Allow".into(),
5197                    kind: acp::PermissionOptionKind::AllowOnce,
5198                }],
5199            )]));
5200
5201        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5202
5203        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5204
5205        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5206        message_editor.update_in(cx, |editor, window, cx| {
5207            editor.set_text("Hello", window, cx);
5208        });
5209
5210        cx.deactivate_window();
5211
5212        thread_view.update_in(cx, |thread_view, window, cx| {
5213            thread_view.send(window, cx);
5214        });
5215
5216        cx.run_until_parked();
5217
5218        assert!(
5219            cx.windows()
5220                .iter()
5221                .any(|window| window.downcast::<AgentNotification>().is_some())
5222        );
5223    }
5224
5225    async fn setup_thread_view(
5226        agent: impl AgentServer + 'static,
5227        cx: &mut TestAppContext,
5228    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5229        let fs = FakeFs::new(cx.executor());
5230        let project = Project::test(fs, [], cx).await;
5231        let (workspace, cx) =
5232            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5233
5234        let context_store =
5235            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5236        let history_store =
5237            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5238
5239        let thread_view = cx.update(|window, cx| {
5240            cx.new(|cx| {
5241                AcpThreadView::new(
5242                    Rc::new(agent),
5243                    None,
5244                    None,
5245                    workspace.downgrade(),
5246                    project,
5247                    history_store,
5248                    None,
5249                    window,
5250                    cx,
5251                )
5252            })
5253        });
5254        cx.run_until_parked();
5255        (thread_view, cx)
5256    }
5257
5258    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5259        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5260
5261        workspace
5262            .update_in(cx, |workspace, window, cx| {
5263                workspace.add_item_to_active_pane(
5264                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5265                    None,
5266                    true,
5267                    window,
5268                    cx,
5269                );
5270            })
5271            .unwrap();
5272    }
5273
5274    struct ThreadViewItem(Entity<AcpThreadView>);
5275
5276    impl Item for ThreadViewItem {
5277        type Event = ();
5278
5279        fn include_in_nav_history() -> bool {
5280            false
5281        }
5282
5283        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5284            "Test".into()
5285        }
5286    }
5287
5288    impl EventEmitter<()> for ThreadViewItem {}
5289
5290    impl Focusable for ThreadViewItem {
5291        fn focus_handle(&self, cx: &App) -> FocusHandle {
5292            self.0.read(cx).focus_handle(cx)
5293        }
5294    }
5295
5296    impl Render for ThreadViewItem {
5297        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5298            self.0.clone().into_any_element()
5299        }
5300    }
5301
5302    struct StubAgentServer<C> {
5303        connection: C,
5304    }
5305
5306    impl<C> StubAgentServer<C> {
5307        fn new(connection: C) -> Self {
5308            Self { connection }
5309        }
5310    }
5311
5312    impl StubAgentServer<StubAgentConnection> {
5313        fn default_response() -> Self {
5314            let conn = StubAgentConnection::new();
5315            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5316                content: "Default response".into(),
5317            }]);
5318            Self::new(conn)
5319        }
5320    }
5321
5322    impl<C> AgentServer for StubAgentServer<C>
5323    where
5324        C: 'static + AgentConnection + Send + Clone,
5325    {
5326        fn telemetry_id(&self) -> &'static str {
5327            "test"
5328        }
5329
5330        fn logo(&self) -> ui::IconName {
5331            ui::IconName::Ai
5332        }
5333
5334        fn name(&self) -> SharedString {
5335            "Test".into()
5336        }
5337
5338        fn empty_state_headline(&self) -> SharedString {
5339            "Test".into()
5340        }
5341
5342        fn empty_state_message(&self) -> SharedString {
5343            "Test".into()
5344        }
5345
5346        fn connect(
5347            &self,
5348            _root_dir: &Path,
5349            _project: &Entity<Project>,
5350            _cx: &mut App,
5351        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
5352            Task::ready(Ok(Rc::new(self.connection.clone())))
5353        }
5354
5355        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5356            self
5357        }
5358    }
5359
5360    #[derive(Clone)]
5361    struct SaboteurAgentConnection;
5362
5363    impl AgentConnection for SaboteurAgentConnection {
5364        fn new_thread(
5365            self: Rc<Self>,
5366            project: Entity<Project>,
5367            _cwd: &Path,
5368            cx: &mut gpui::App,
5369        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5370            Task::ready(Ok(cx.new(|cx| {
5371                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5372                AcpThread::new(
5373                    "SaboteurAgentConnection",
5374                    self,
5375                    project,
5376                    action_log,
5377                    SessionId("test".into()),
5378                    watch::Receiver::constant(acp::PromptCapabilities {
5379                        image: true,
5380                        audio: true,
5381                        embedded_context: true,
5382                    }),
5383                    cx,
5384                )
5385            })))
5386        }
5387
5388        fn auth_methods(&self) -> &[acp::AuthMethod] {
5389            &[]
5390        }
5391
5392        fn authenticate(
5393            &self,
5394            _method_id: acp::AuthMethodId,
5395            _cx: &mut App,
5396        ) -> Task<gpui::Result<()>> {
5397            unimplemented!()
5398        }
5399
5400        fn prompt(
5401            &self,
5402            _id: Option<acp_thread::UserMessageId>,
5403            _params: acp::PromptRequest,
5404            _cx: &mut App,
5405        ) -> Task<gpui::Result<acp::PromptResponse>> {
5406            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5407        }
5408
5409        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5410            unimplemented!()
5411        }
5412
5413        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5414            self
5415        }
5416    }
5417
5418    pub(crate) fn init_test(cx: &mut TestAppContext) {
5419        cx.update(|cx| {
5420            let settings_store = SettingsStore::test(cx);
5421            cx.set_global(settings_store);
5422            language::init(cx);
5423            Project::init_settings(cx);
5424            AgentSettings::register(cx);
5425            workspace::init_settings(cx);
5426            ThemeSettings::register(cx);
5427            release_channel::init(SemanticVersion::default(), cx);
5428            EditorSettings::register(cx);
5429            prompt_store::init(cx)
5430        });
5431    }
5432
5433    #[gpui::test]
5434    async fn test_rewind_views(cx: &mut TestAppContext) {
5435        init_test(cx);
5436
5437        let fs = FakeFs::new(cx.executor());
5438        fs.insert_tree(
5439            "/project",
5440            json!({
5441                "test1.txt": "old content 1",
5442                "test2.txt": "old content 2"
5443            }),
5444        )
5445        .await;
5446        let project = Project::test(fs, [Path::new("/project")], cx).await;
5447        let (workspace, cx) =
5448            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5449
5450        let context_store =
5451            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5452        let history_store =
5453            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5454
5455        let connection = Rc::new(StubAgentConnection::new());
5456        let thread_view = cx.update(|window, cx| {
5457            cx.new(|cx| {
5458                AcpThreadView::new(
5459                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5460                    None,
5461                    None,
5462                    workspace.downgrade(),
5463                    project.clone(),
5464                    history_store.clone(),
5465                    None,
5466                    window,
5467                    cx,
5468                )
5469            })
5470        });
5471
5472        cx.run_until_parked();
5473
5474        let thread = thread_view
5475            .read_with(cx, |view, _| view.thread().cloned())
5476            .unwrap();
5477
5478        // First user message
5479        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5480            id: acp::ToolCallId("tool1".into()),
5481            title: "Edit file 1".into(),
5482            kind: acp::ToolKind::Edit,
5483            status: acp::ToolCallStatus::Completed,
5484            content: vec![acp::ToolCallContent::Diff {
5485                diff: acp::Diff {
5486                    path: "/project/test1.txt".into(),
5487                    old_text: Some("old content 1".into()),
5488                    new_text: "new content 1".into(),
5489                },
5490            }],
5491            locations: vec![],
5492            raw_input: None,
5493            raw_output: None,
5494        })]);
5495
5496        thread
5497            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
5498            .await
5499            .unwrap();
5500        cx.run_until_parked();
5501
5502        thread.read_with(cx, |thread, _| {
5503            assert_eq!(thread.entries().len(), 2);
5504        });
5505
5506        thread_view.read_with(cx, |view, cx| {
5507            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5508                assert!(
5509                    entry_view_state
5510                        .entry(0)
5511                        .unwrap()
5512                        .message_editor()
5513                        .is_some()
5514                );
5515                assert!(entry_view_state.entry(1).unwrap().has_content());
5516            });
5517        });
5518
5519        // Second user message
5520        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
5521            id: acp::ToolCallId("tool2".into()),
5522            title: "Edit file 2".into(),
5523            kind: acp::ToolKind::Edit,
5524            status: acp::ToolCallStatus::Completed,
5525            content: vec![acp::ToolCallContent::Diff {
5526                diff: acp::Diff {
5527                    path: "/project/test2.txt".into(),
5528                    old_text: Some("old content 2".into()),
5529                    new_text: "new content 2".into(),
5530                },
5531            }],
5532            locations: vec![],
5533            raw_input: None,
5534            raw_output: None,
5535        })]);
5536
5537        thread
5538            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5539            .await
5540            .unwrap();
5541        cx.run_until_parked();
5542
5543        let second_user_message_id = thread.read_with(cx, |thread, _| {
5544            assert_eq!(thread.entries().len(), 4);
5545            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5546                panic!();
5547            };
5548            user_message.id.clone().unwrap()
5549        });
5550
5551        thread_view.read_with(cx, |view, cx| {
5552            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5553                assert!(
5554                    entry_view_state
5555                        .entry(0)
5556                        .unwrap()
5557                        .message_editor()
5558                        .is_some()
5559                );
5560                assert!(entry_view_state.entry(1).unwrap().has_content());
5561                assert!(
5562                    entry_view_state
5563                        .entry(2)
5564                        .unwrap()
5565                        .message_editor()
5566                        .is_some()
5567                );
5568                assert!(entry_view_state.entry(3).unwrap().has_content());
5569            });
5570        });
5571
5572        // Rewind to first message
5573        thread
5574            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5575            .await
5576            .unwrap();
5577
5578        cx.run_until_parked();
5579
5580        thread.read_with(cx, |thread, _| {
5581            assert_eq!(thread.entries().len(), 2);
5582        });
5583
5584        thread_view.read_with(cx, |view, cx| {
5585            view.entry_view_state.read_with(cx, |entry_view_state, _| {
5586                assert!(
5587                    entry_view_state
5588                        .entry(0)
5589                        .unwrap()
5590                        .message_editor()
5591                        .is_some()
5592                );
5593                assert!(entry_view_state.entry(1).unwrap().has_content());
5594
5595                // Old views should be dropped
5596                assert!(entry_view_state.entry(2).is_none());
5597                assert!(entry_view_state.entry(3).is_none());
5598            });
5599        });
5600    }
5601
5602    #[gpui::test]
5603    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5604        init_test(cx);
5605
5606        let connection = StubAgentConnection::new();
5607
5608        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5609            content: acp::ContentBlock::Text(acp::TextContent {
5610                text: "Response".into(),
5611                annotations: None,
5612            }),
5613        }]);
5614
5615        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5616        add_to_workspace(thread_view.clone(), cx);
5617
5618        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5619        message_editor.update_in(cx, |editor, window, cx| {
5620            editor.set_text("Original message to edit", window, cx);
5621        });
5622        thread_view.update_in(cx, |thread_view, window, cx| {
5623            thread_view.send(window, cx);
5624        });
5625
5626        cx.run_until_parked();
5627
5628        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5629            assert_eq!(view.editing_message, None);
5630
5631            view.entry_view_state
5632                .read(cx)
5633                .entry(0)
5634                .unwrap()
5635                .message_editor()
5636                .unwrap()
5637                .clone()
5638        });
5639
5640        // Focus
5641        cx.focus(&user_message_editor);
5642        thread_view.read_with(cx, |view, _cx| {
5643            assert_eq!(view.editing_message, Some(0));
5644        });
5645
5646        // Edit
5647        user_message_editor.update_in(cx, |editor, window, cx| {
5648            editor.set_text("Edited message content", window, cx);
5649        });
5650
5651        // Cancel
5652        user_message_editor.update_in(cx, |_editor, window, cx| {
5653            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5654        });
5655
5656        thread_view.read_with(cx, |view, _cx| {
5657            assert_eq!(view.editing_message, None);
5658        });
5659
5660        user_message_editor.read_with(cx, |editor, cx| {
5661            assert_eq!(editor.text(cx), "Original message to edit");
5662        });
5663    }
5664
5665    #[gpui::test]
5666    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5667        init_test(cx);
5668
5669        let connection = StubAgentConnection::new();
5670
5671        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5672        add_to_workspace(thread_view.clone(), cx);
5673
5674        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5675        let mut events = cx.events(&message_editor);
5676        message_editor.update_in(cx, |editor, window, cx| {
5677            editor.set_text("", window, cx);
5678        });
5679
5680        message_editor.update_in(cx, |_editor, window, cx| {
5681            window.dispatch_action(Box::new(Chat), cx);
5682        });
5683        cx.run_until_parked();
5684        // We shouldn't have received any messages
5685        assert!(matches!(
5686            events.try_next(),
5687            Err(futures::channel::mpsc::TryRecvError { .. })
5688        ));
5689    }
5690
5691    #[gpui::test]
5692    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5693        init_test(cx);
5694
5695        let connection = StubAgentConnection::new();
5696
5697        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5698            content: acp::ContentBlock::Text(acp::TextContent {
5699                text: "Response".into(),
5700                annotations: None,
5701            }),
5702        }]);
5703
5704        let (thread_view, cx) =
5705            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5706        add_to_workspace(thread_view.clone(), cx);
5707
5708        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5709        message_editor.update_in(cx, |editor, window, cx| {
5710            editor.set_text("Original message to edit", window, cx);
5711        });
5712        thread_view.update_in(cx, |thread_view, window, cx| {
5713            thread_view.send(window, cx);
5714        });
5715
5716        cx.run_until_parked();
5717
5718        let user_message_editor = thread_view.read_with(cx, |view, cx| {
5719            assert_eq!(view.editing_message, None);
5720            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
5721
5722            view.entry_view_state
5723                .read(cx)
5724                .entry(0)
5725                .unwrap()
5726                .message_editor()
5727                .unwrap()
5728                .clone()
5729        });
5730
5731        // Focus
5732        cx.focus(&user_message_editor);
5733
5734        // Edit
5735        user_message_editor.update_in(cx, |editor, window, cx| {
5736            editor.set_text("Edited message content", window, cx);
5737        });
5738
5739        // Send
5740        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5741            content: acp::ContentBlock::Text(acp::TextContent {
5742                text: "New Response".into(),
5743                annotations: None,
5744            }),
5745        }]);
5746
5747        user_message_editor.update_in(cx, |_editor, window, cx| {
5748            window.dispatch_action(Box::new(Chat), cx);
5749        });
5750
5751        cx.run_until_parked();
5752
5753        thread_view.read_with(cx, |view, cx| {
5754            assert_eq!(view.editing_message, None);
5755
5756            let entries = view.thread().unwrap().read(cx).entries();
5757            assert_eq!(entries.len(), 2);
5758            assert_eq!(
5759                entries[0].to_markdown(cx),
5760                "## User\n\nEdited message content\n\n"
5761            );
5762            assert_eq!(
5763                entries[1].to_markdown(cx),
5764                "## Assistant\n\nNew Response\n\n"
5765            );
5766
5767            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
5768                assert!(!state.entry(1).unwrap().has_content());
5769                state.entry(0).unwrap().message_editor().unwrap().clone()
5770            });
5771
5772            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5773        })
5774    }
5775
5776    #[gpui::test]
5777    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5778        init_test(cx);
5779
5780        let connection = StubAgentConnection::new();
5781
5782        let (thread_view, cx) =
5783            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5784        add_to_workspace(thread_view.clone(), cx);
5785
5786        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5787        message_editor.update_in(cx, |editor, window, cx| {
5788            editor.set_text("Original message to edit", window, cx);
5789        });
5790        thread_view.update_in(cx, |thread_view, window, cx| {
5791            thread_view.send(window, cx);
5792        });
5793
5794        cx.run_until_parked();
5795
5796        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
5797            let thread = view.thread().unwrap().read(cx);
5798            assert_eq!(thread.entries().len(), 1);
5799
5800            let editor = view
5801                .entry_view_state
5802                .read(cx)
5803                .entry(0)
5804                .unwrap()
5805                .message_editor()
5806                .unwrap()
5807                .clone();
5808
5809            (editor, thread.session_id().clone())
5810        });
5811
5812        // Focus
5813        cx.focus(&user_message_editor);
5814
5815        thread_view.read_with(cx, |view, _cx| {
5816            assert_eq!(view.editing_message, Some(0));
5817        });
5818
5819        // Edit
5820        user_message_editor.update_in(cx, |editor, window, cx| {
5821            editor.set_text("Edited message content", window, cx);
5822        });
5823
5824        thread_view.read_with(cx, |view, _cx| {
5825            assert_eq!(view.editing_message, Some(0));
5826        });
5827
5828        // Finish streaming response
5829        cx.update(|_, cx| {
5830            connection.send_update(
5831                session_id.clone(),
5832                acp::SessionUpdate::AgentMessageChunk {
5833                    content: acp::ContentBlock::Text(acp::TextContent {
5834                        text: "Response".into(),
5835                        annotations: None,
5836                    }),
5837                },
5838                cx,
5839            );
5840            connection.end_turn(session_id, acp::StopReason::EndTurn);
5841        });
5842
5843        thread_view.read_with(cx, |view, _cx| {
5844            assert_eq!(view.editing_message, Some(0));
5845        });
5846
5847        cx.run_until_parked();
5848
5849        // Should still be editing
5850        cx.update(|window, cx| {
5851            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5852            assert_eq!(thread_view.read(cx).editing_message, Some(0));
5853            assert_eq!(
5854                user_message_editor.read(cx).text(cx),
5855                "Edited message content"
5856            );
5857        });
5858    }
5859
5860    #[gpui::test]
5861    async fn test_interrupt(cx: &mut TestAppContext) {
5862        init_test(cx);
5863
5864        let connection = StubAgentConnection::new();
5865
5866        let (thread_view, cx) =
5867            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5868        add_to_workspace(thread_view.clone(), cx);
5869
5870        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5871        message_editor.update_in(cx, |editor, window, cx| {
5872            editor.set_text("Message 1", window, cx);
5873        });
5874        thread_view.update_in(cx, |thread_view, window, cx| {
5875            thread_view.send(window, cx);
5876        });
5877
5878        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5879            let thread = view.thread().unwrap();
5880
5881            (thread.clone(), thread.read(cx).session_id().clone())
5882        });
5883
5884        cx.run_until_parked();
5885
5886        cx.update(|_, cx| {
5887            connection.send_update(
5888                session_id.clone(),
5889                acp::SessionUpdate::AgentMessageChunk {
5890                    content: "Message 1 resp".into(),
5891                },
5892                cx,
5893            );
5894        });
5895
5896        cx.run_until_parked();
5897
5898        thread.read_with(cx, |thread, cx| {
5899            assert_eq!(
5900                thread.to_markdown(cx),
5901                indoc::indoc! {"
5902                    ## User
5903
5904                    Message 1
5905
5906                    ## Assistant
5907
5908                    Message 1 resp
5909
5910                "}
5911            )
5912        });
5913
5914        message_editor.update_in(cx, |editor, window, cx| {
5915            editor.set_text("Message 2", window, cx);
5916        });
5917        thread_view.update_in(cx, |thread_view, window, cx| {
5918            thread_view.send(window, cx);
5919        });
5920
5921        cx.update(|_, cx| {
5922            // Simulate a response sent after beginning to cancel
5923            connection.send_update(
5924                session_id.clone(),
5925                acp::SessionUpdate::AgentMessageChunk {
5926                    content: "onse".into(),
5927                },
5928                cx,
5929            );
5930        });
5931
5932        cx.run_until_parked();
5933
5934        // Last Message 1 response should appear before Message 2
5935        thread.read_with(cx, |thread, cx| {
5936            assert_eq!(
5937                thread.to_markdown(cx),
5938                indoc::indoc! {"
5939                    ## User
5940
5941                    Message 1
5942
5943                    ## Assistant
5944
5945                    Message 1 response
5946
5947                    ## User
5948
5949                    Message 2
5950
5951                "}
5952            )
5953        });
5954
5955        cx.update(|_, cx| {
5956            connection.send_update(
5957                session_id.clone(),
5958                acp::SessionUpdate::AgentMessageChunk {
5959                    content: "Message 2 response".into(),
5960                },
5961                cx,
5962            );
5963            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5964        });
5965
5966        cx.run_until_parked();
5967
5968        thread.read_with(cx, |thread, cx| {
5969            assert_eq!(
5970                thread.to_markdown(cx),
5971                indoc::indoc! {"
5972                    ## User
5973
5974                    Message 1
5975
5976                    ## Assistant
5977
5978                    Message 1 response
5979
5980                    ## User
5981
5982                    Message 2
5983
5984                    ## Assistant
5985
5986                    Message 2 response
5987
5988                "}
5989            )
5990        });
5991    }
5992}