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, ActionLogTelemetry};
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use file_icons::FileIcons;
  24use fs::Fs;
  25use futures::FutureExt as _;
  26use gpui::{
  27    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  28    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  29    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  30    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  31    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  32};
  33use language::Buffer;
  34
  35use language_model::LanguageModelRegistry;
  36use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  37use project::{Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  51    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  52};
  53use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  54use workspace::{CollaboratorId, NewTerminal, Workspace};
  55use zed_actions::agent::{Chat, ToggleModelSelector};
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58use super::entry_view_state::EntryViewState;
  59use crate::acp::AcpModelSelectorPopover;
  60use crate::acp::ModeSelector;
  61use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  62use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  63use crate::agent_diff::AgentDiff;
  64use crate::profile_selector::{ProfileProvider, ProfileSelector};
  65
  66use crate::ui::{
  67    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  68    UsageCallout,
  69};
  70use crate::{
  71    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  72    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread, OpenAgentDiff, OpenHistory,
  73    RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  74};
  75
  76#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  77enum ThreadFeedback {
  78    Positive,
  79    Negative,
  80}
  81
  82#[derive(Debug)]
  83enum ThreadError {
  84    PaymentRequired,
  85    ModelRequestLimitReached(cloud_llm_client::Plan),
  86    ToolUseLimitReached,
  87    Refusal,
  88    AuthenticationRequired(SharedString),
  89    Other(SharedString),
  90}
  91
  92impl ThreadError {
  93    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  94        if error.is::<language_model::PaymentRequiredError>() {
  95            Self::PaymentRequired
  96        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  97            Self::ToolUseLimitReached
  98        } else if let Some(error) =
  99            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 100        {
 101            Self::ModelRequestLimitReached(error.plan)
 102        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 103            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 104        {
 105            Self::AuthenticationRequired(acp_error.message.clone().into())
 106        } else {
 107            let string = format!("{:#}", error);
 108            // TODO: we should have Gemini return better errors here.
 109            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 110                && string.contains("Could not load the default credentials")
 111                || string.contains("API key not valid")
 112                || string.contains("Request had invalid authentication credentials")
 113            {
 114                Self::AuthenticationRequired(string.into())
 115            } else {
 116                Self::Other(string.into())
 117            }
 118        }
 119    }
 120}
 121
 122impl ProfileProvider for Entity<agent::Thread> {
 123    fn profile_id(&self, cx: &App) -> AgentProfileId {
 124        self.read(cx).profile().clone()
 125    }
 126
 127    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 128        self.update(cx, |thread, cx| {
 129            // Apply the profile and let the thread swap to its default model.
 130            thread.set_profile(profile_id, cx);
 131        });
 132    }
 133
 134    fn profiles_supported(&self, cx: &App) -> bool {
 135        self.read(cx)
 136            .model()
 137            .is_some_and(|model| model.supports_tools())
 138    }
 139}
 140
 141#[derive(Default)]
 142struct ThreadFeedbackState {
 143    feedback: Option<ThreadFeedback>,
 144    comments_editor: Option<Entity<Editor>>,
 145}
 146
 147impl ThreadFeedbackState {
 148    pub fn submit(
 149        &mut self,
 150        thread: Entity<AcpThread>,
 151        feedback: ThreadFeedback,
 152        window: &mut Window,
 153        cx: &mut App,
 154    ) {
 155        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 156            return;
 157        };
 158
 159        if self.feedback == Some(feedback) {
 160            return;
 161        }
 162
 163        self.feedback = Some(feedback);
 164        match feedback {
 165            ThreadFeedback::Positive => {
 166                self.comments_editor = None;
 167            }
 168            ThreadFeedback::Negative => {
 169                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 170            }
 171        }
 172        let session_id = thread.read(cx).session_id().clone();
 173        let agent = thread.read(cx).connection().telemetry_id();
 174        let task = telemetry.thread_data(&session_id, cx);
 175        let rating = match feedback {
 176            ThreadFeedback::Positive => "positive",
 177            ThreadFeedback::Negative => "negative",
 178        };
 179        cx.background_spawn(async move {
 180            let thread = task.await?;
 181            telemetry::event!(
 182                "Agent Thread Rated",
 183                agent = agent,
 184                session_id = session_id,
 185                rating = rating,
 186                thread = thread
 187            );
 188            anyhow::Ok(())
 189        })
 190        .detach_and_log_err(cx);
 191    }
 192
 193    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 194        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 195            return;
 196        };
 197
 198        let Some(comments) = self
 199            .comments_editor
 200            .as_ref()
 201            .map(|editor| editor.read(cx).text(cx))
 202            .filter(|text| !text.trim().is_empty())
 203        else {
 204            return;
 205        };
 206
 207        self.comments_editor.take();
 208
 209        let session_id = thread.read(cx).session_id().clone();
 210        let agent = thread.read(cx).connection().telemetry_id();
 211        let task = telemetry.thread_data(&session_id, cx);
 212        cx.background_spawn(async move {
 213            let thread = task.await?;
 214            telemetry::event!(
 215                "Agent Thread Feedback Comments",
 216                agent = agent,
 217                session_id = session_id,
 218                comments = comments,
 219                thread = thread
 220            );
 221            anyhow::Ok(())
 222        })
 223        .detach_and_log_err(cx);
 224    }
 225
 226    pub fn clear(&mut self) {
 227        *self = Self::default()
 228    }
 229
 230    pub fn dismiss_comments(&mut self) {
 231        self.comments_editor.take();
 232    }
 233
 234    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 235        let buffer = cx.new(|cx| {
 236            let empty_string = String::new();
 237            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 238        });
 239
 240        let editor = cx.new(|cx| {
 241            let mut editor = Editor::new(
 242                editor::EditorMode::AutoHeight {
 243                    min_lines: 1,
 244                    max_lines: Some(4),
 245                },
 246                buffer,
 247                None,
 248                window,
 249                cx,
 250            );
 251            editor.set_placeholder_text(
 252                "What went wrong? Share your feedback so we can improve.",
 253                window,
 254                cx,
 255            );
 256            editor
 257        });
 258
 259        editor.read(cx).focus_handle(cx).focus(window);
 260        editor
 261    }
 262}
 263
 264pub struct AcpThreadView {
 265    agent: Rc<dyn AgentServer>,
 266    workspace: WeakEntity<Workspace>,
 267    project: Entity<Project>,
 268    thread_state: ThreadState,
 269    login: Option<task::SpawnInTerminal>,
 270    history_store: Entity<HistoryStore>,
 271    hovered_recent_history_item: Option<usize>,
 272    entry_view_state: Entity<EntryViewState>,
 273    message_editor: Entity<MessageEditor>,
 274    focus_handle: FocusHandle,
 275    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 276    profile_selector: Option<Entity<ProfileSelector>>,
 277    notifications: Vec<WindowHandle<AgentNotification>>,
 278    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 279    thread_retry_status: Option<RetryStatus>,
 280    thread_error: Option<ThreadError>,
 281    thread_error_markdown: Option<Entity<Markdown>>,
 282    thread_feedback: ThreadFeedbackState,
 283    list_state: ListState,
 284    auth_task: Option<Task<()>>,
 285    expanded_tool_calls: HashSet<acp::ToolCallId>,
 286    expanded_thinking_blocks: HashSet<(usize, usize)>,
 287    edits_expanded: bool,
 288    plan_expanded: bool,
 289    editor_expanded: bool,
 290    should_be_following: bool,
 291    editing_message: Option<usize>,
 292    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 293    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 294    is_loading_contents: bool,
 295    new_server_version_available: Option<SharedString>,
 296    resume_thread_metadata: Option<DbThreadMetadata>,
 297    _cancel_task: Option<Task<()>>,
 298    _subscriptions: [Subscription; 5],
 299    show_codex_windows_warning: bool,
 300}
 301
 302enum ThreadState {
 303    Loading(Entity<LoadingView>),
 304    Ready {
 305        thread: Entity<AcpThread>,
 306        title_editor: Option<Entity<Editor>>,
 307        mode_selector: Option<Entity<ModeSelector>>,
 308        _subscriptions: Vec<Subscription>,
 309    },
 310    LoadError(LoadError),
 311    Unauthenticated {
 312        connection: Rc<dyn AgentConnection>,
 313        description: Option<Entity<Markdown>>,
 314        configuration_view: Option<AnyView>,
 315        pending_auth_method: Option<acp::AuthMethodId>,
 316        _subscription: Option<Subscription>,
 317    },
 318}
 319
 320struct LoadingView {
 321    title: SharedString,
 322    _load_task: Task<()>,
 323    _update_title_task: Task<anyhow::Result<()>>,
 324}
 325
 326impl AcpThreadView {
 327    pub fn new(
 328        agent: Rc<dyn AgentServer>,
 329        resume_thread: Option<DbThreadMetadata>,
 330        summarize_thread: Option<DbThreadMetadata>,
 331        workspace: WeakEntity<Workspace>,
 332        project: Entity<Project>,
 333        history_store: Entity<HistoryStore>,
 334        prompt_store: Option<Entity<PromptStore>>,
 335        window: &mut Window,
 336        cx: &mut Context<Self>,
 337    ) -> Self {
 338        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 339        let available_commands = Rc::new(RefCell::new(vec![]));
 340
 341        let placeholder = placeholder_text(agent.name().as_ref(), false);
 342
 343        let message_editor = cx.new(|cx| {
 344            let mut editor = MessageEditor::new(
 345                workspace.clone(),
 346                project.clone(),
 347                history_store.clone(),
 348                prompt_store.clone(),
 349                prompt_capabilities.clone(),
 350                available_commands.clone(),
 351                agent.name(),
 352                &placeholder,
 353                editor::EditorMode::AutoHeight {
 354                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 355                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 356                },
 357                window,
 358                cx,
 359            );
 360            if let Some(entry) = summarize_thread {
 361                editor.insert_thread_summary(entry, window, cx);
 362            }
 363            editor
 364        });
 365
 366        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 367
 368        let entry_view_state = cx.new(|_| {
 369            EntryViewState::new(
 370                workspace.clone(),
 371                project.clone(),
 372                history_store.clone(),
 373                prompt_store.clone(),
 374                prompt_capabilities.clone(),
 375                available_commands.clone(),
 376                agent.name(),
 377            )
 378        });
 379
 380        let agent_server_store = project.read(cx).agent_server_store().clone();
 381        let subscriptions = [
 382            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 383            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 384            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 385            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 386            cx.subscribe_in(
 387                &agent_server_store,
 388                window,
 389                Self::handle_agent_servers_updated,
 390            ),
 391        ];
 392
 393        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 394            == Some(crate::ExternalAgent::Codex);
 395
 396        Self {
 397            agent: agent.clone(),
 398            workspace: workspace.clone(),
 399            project: project.clone(),
 400            entry_view_state,
 401            thread_state: Self::initial_state(
 402                agent.clone(),
 403                resume_thread.clone(),
 404                workspace.clone(),
 405                project.clone(),
 406                window,
 407                cx,
 408            ),
 409            login: None,
 410            message_editor,
 411            model_selector: None,
 412            profile_selector: None,
 413
 414            notifications: Vec::new(),
 415            notification_subscriptions: HashMap::default(),
 416            list_state: list_state,
 417            thread_retry_status: None,
 418            thread_error: None,
 419            thread_error_markdown: None,
 420            thread_feedback: Default::default(),
 421            auth_task: None,
 422            expanded_tool_calls: HashSet::default(),
 423            expanded_thinking_blocks: HashSet::default(),
 424            editing_message: None,
 425            edits_expanded: false,
 426            plan_expanded: false,
 427            prompt_capabilities,
 428            available_commands,
 429            editor_expanded: false,
 430            should_be_following: false,
 431            history_store,
 432            hovered_recent_history_item: None,
 433            is_loading_contents: false,
 434            _subscriptions: subscriptions,
 435            _cancel_task: None,
 436            focus_handle: cx.focus_handle(),
 437            new_server_version_available: None,
 438            resume_thread_metadata: resume_thread,
 439            show_codex_windows_warning,
 440        }
 441    }
 442
 443    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 444        self.thread_state = Self::initial_state(
 445            self.agent.clone(),
 446            self.resume_thread_metadata.clone(),
 447            self.workspace.clone(),
 448            self.project.clone(),
 449            window,
 450            cx,
 451        );
 452        self.available_commands.replace(vec![]);
 453        self.new_server_version_available.take();
 454        cx.notify();
 455    }
 456
 457    fn initial_state(
 458        agent: Rc<dyn AgentServer>,
 459        resume_thread: Option<DbThreadMetadata>,
 460        workspace: WeakEntity<Workspace>,
 461        project: Entity<Project>,
 462        window: &mut Window,
 463        cx: &mut Context<Self>,
 464    ) -> ThreadState {
 465        if project.read(cx).is_via_collab()
 466            && agent.clone().downcast::<NativeAgentServer>().is_none()
 467        {
 468            return ThreadState::LoadError(LoadError::Other(
 469                "External agents are not yet supported in shared projects.".into(),
 470            ));
 471        }
 472        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 473        // Pick the first non-single-file worktree for the root directory if there are any,
 474        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 475        worktrees.sort_by(|l, r| {
 476            l.read(cx)
 477                .is_single_file()
 478                .cmp(&r.read(cx).is_single_file())
 479        });
 480        let root_dir = worktrees
 481            .into_iter()
 482            .filter_map(|worktree| {
 483                if worktree.read(cx).is_single_file() {
 484                    Some(worktree.read(cx).abs_path().parent()?.into())
 485                } else {
 486                    Some(worktree.read(cx).abs_path())
 487                }
 488            })
 489            .next();
 490        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 491        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 492        let delegate = AgentServerDelegate::new(
 493            project.read(cx).agent_server_store().clone(),
 494            project.clone(),
 495            Some(status_tx),
 496            Some(new_version_available_tx),
 497        );
 498
 499        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 500        let load_task = cx.spawn_in(window, async move |this, cx| {
 501            let connection = match connect_task.await {
 502                Ok((connection, login)) => {
 503                    this.update(cx, |this, _| this.login = login).ok();
 504                    connection
 505                }
 506                Err(err) => {
 507                    this.update_in(cx, |this, window, cx| {
 508                        if err.downcast_ref::<LoadError>().is_some() {
 509                            this.handle_load_error(err, window, cx);
 510                        } else {
 511                            this.handle_thread_error(err, cx);
 512                        }
 513                        cx.notify();
 514                    })
 515                    .log_err();
 516                    return;
 517                }
 518            };
 519
 520            let result = if let Some(native_agent) = connection
 521                .clone()
 522                .downcast::<agent::NativeAgentConnection>()
 523                && let Some(resume) = resume_thread.clone()
 524            {
 525                cx.update(|_, cx| {
 526                    native_agent
 527                        .0
 528                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 529                })
 530                .log_err()
 531            } else {
 532                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 533                cx.update(|_, cx| {
 534                    connection
 535                        .clone()
 536                        .new_thread(project.clone(), &root_dir, cx)
 537                })
 538                .log_err()
 539            };
 540
 541            let Some(result) = result else {
 542                return;
 543            };
 544
 545            let result = match result.await {
 546                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 547                    Ok(err) => {
 548                        cx.update(|window, cx| {
 549                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 550                        })
 551                        .log_err();
 552                        return;
 553                    }
 554                    Err(err) => Err(err),
 555                },
 556                Ok(thread) => Ok(thread),
 557            };
 558
 559            this.update_in(cx, |this, window, cx| {
 560                match result {
 561                    Ok(thread) => {
 562                        let action_log = thread.read(cx).action_log().clone();
 563
 564                        this.prompt_capabilities
 565                            .replace(thread.read(cx).prompt_capabilities());
 566
 567                        let count = thread.read(cx).entries().len();
 568                        this.entry_view_state.update(cx, |view_state, cx| {
 569                            for ix in 0..count {
 570                                view_state.sync_entry(ix, &thread, window, cx);
 571                            }
 572                            this.list_state.splice_focusable(
 573                                0..0,
 574                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 575                            );
 576                        });
 577
 578                        if let Some(resume) = resume_thread {
 579                            this.history_store.update(cx, |history, cx| {
 580                                history.push_recently_opened_entry(
 581                                    HistoryEntryId::AcpThread(resume.id),
 582                                    cx,
 583                                );
 584                            });
 585                        }
 586
 587                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 588
 589                        this.model_selector = thread
 590                            .read(cx)
 591                            .connection()
 592                            .model_selector(thread.read(cx).session_id())
 593                            .map(|selector| {
 594                                let agent_server = this.agent.clone();
 595                                let fs = this.project.read(cx).fs().clone();
 596                                cx.new(|cx| {
 597                                    AcpModelSelectorPopover::new(
 598                                        selector,
 599                                        agent_server,
 600                                        fs,
 601                                        PopoverMenuHandle::default(),
 602                                        this.focus_handle(cx),
 603                                        window,
 604                                        cx,
 605                                    )
 606                                })
 607                            });
 608
 609                        let mode_selector = thread
 610                            .read(cx)
 611                            .connection()
 612                            .session_modes(thread.read(cx).session_id(), cx)
 613                            .map(|session_modes| {
 614                                let fs = this.project.read(cx).fs().clone();
 615                                let focus_handle = this.focus_handle(cx);
 616                                cx.new(|_cx| {
 617                                    ModeSelector::new(
 618                                        session_modes,
 619                                        this.agent.clone(),
 620                                        fs,
 621                                        focus_handle,
 622                                    )
 623                                })
 624                            });
 625
 626                        let mut subscriptions = vec![
 627                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 628                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 629                        ];
 630
 631                        let title_editor =
 632                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 633                                let editor = cx.new(|cx| {
 634                                    let mut editor = Editor::single_line(window, cx);
 635                                    editor.set_text(thread.read(cx).title(), window, cx);
 636                                    editor
 637                                });
 638                                subscriptions.push(cx.subscribe_in(
 639                                    &editor,
 640                                    window,
 641                                    Self::handle_title_editor_event,
 642                                ));
 643                                Some(editor)
 644                            } else {
 645                                None
 646                            };
 647
 648                        this.thread_state = ThreadState::Ready {
 649                            thread,
 650                            title_editor,
 651                            mode_selector,
 652                            _subscriptions: subscriptions,
 653                        };
 654                        this.message_editor.focus_handle(cx).focus(window);
 655
 656                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 657                            cx.new(|cx| {
 658                                ProfileSelector::new(
 659                                    <dyn Fs>::global(cx),
 660                                    Arc::new(thread.clone()),
 661                                    this.focus_handle(cx),
 662                                    cx,
 663                                )
 664                            })
 665                        });
 666
 667                        cx.notify();
 668                    }
 669                    Err(err) => {
 670                        this.handle_load_error(err, window, cx);
 671                    }
 672                };
 673            })
 674            .log_err();
 675        });
 676
 677        cx.spawn(async move |this, cx| {
 678            while let Ok(new_version) = new_version_available_rx.recv().await {
 679                if let Some(new_version) = new_version {
 680                    this.update(cx, |this, cx| {
 681                        this.new_server_version_available = Some(new_version.into());
 682                        cx.notify();
 683                    })
 684                    .log_err();
 685                }
 686            }
 687        })
 688        .detach();
 689
 690        let loading_view = cx.new(|cx| {
 691            let update_title_task = cx.spawn(async move |this, cx| {
 692                loop {
 693                    let status = status_rx.recv().await?;
 694                    this.update(cx, |this: &mut LoadingView, cx| {
 695                        this.title = status;
 696                        cx.notify();
 697                    })?;
 698                }
 699            });
 700
 701            LoadingView {
 702                title: "Loading…".into(),
 703                _load_task: load_task,
 704                _update_title_task: update_title_task,
 705            }
 706        });
 707
 708        ThreadState::Loading(loading_view)
 709    }
 710
 711    fn handle_auth_required(
 712        this: WeakEntity<Self>,
 713        err: AuthRequired,
 714        agent: Rc<dyn AgentServer>,
 715        connection: Rc<dyn AgentConnection>,
 716        window: &mut Window,
 717        cx: &mut App,
 718    ) {
 719        let agent_name = agent.name();
 720        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 721            let registry = LanguageModelRegistry::global(cx);
 722
 723            let sub = window.subscribe(&registry, cx, {
 724                let provider_id = provider_id.clone();
 725                let this = this.clone();
 726                move |_, ev, window, cx| {
 727                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 728                        && &provider_id == updated_provider_id
 729                        && LanguageModelRegistry::global(cx)
 730                            .read(cx)
 731                            .provider(&provider_id)
 732                            .map_or(false, |provider| provider.is_authenticated(cx))
 733                    {
 734                        this.update(cx, |this, cx| {
 735                            this.reset(window, cx);
 736                        })
 737                        .ok();
 738                    }
 739                }
 740            });
 741
 742            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 743                provider.configuration_view(
 744                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 745                    window,
 746                    cx,
 747                )
 748            });
 749
 750            (view, Some(sub))
 751        } else {
 752            (None, None)
 753        };
 754
 755        this.update(cx, |this, cx| {
 756            this.thread_state = ThreadState::Unauthenticated {
 757                pending_auth_method: None,
 758                connection,
 759                configuration_view,
 760                description: err
 761                    .description
 762                    .clone()
 763                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 764                _subscription: subscription,
 765            };
 766            if this.message_editor.focus_handle(cx).is_focused(window) {
 767                this.focus_handle.focus(window)
 768            }
 769            cx.notify();
 770        })
 771        .ok();
 772    }
 773
 774    fn handle_load_error(
 775        &mut self,
 776        err: anyhow::Error,
 777        window: &mut Window,
 778        cx: &mut Context<Self>,
 779    ) {
 780        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 781            self.thread_state = ThreadState::LoadError(load_err.clone());
 782        } else {
 783            self.thread_state =
 784                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 785        }
 786        if self.message_editor.focus_handle(cx).is_focused(window) {
 787            self.focus_handle.focus(window)
 788        }
 789        cx.notify();
 790    }
 791
 792    fn handle_agent_servers_updated(
 793        &mut self,
 794        _agent_server_store: &Entity<project::AgentServerStore>,
 795        _event: &project::AgentServersUpdated,
 796        window: &mut Window,
 797        cx: &mut Context<Self>,
 798    ) {
 799        // If we're in a LoadError state OR have a thread_error set (which can happen
 800        // when agent.connect() fails during loading), retry loading the thread.
 801        // This handles the case where a thread is restored before authentication completes.
 802        let should_retry =
 803            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 804
 805        if should_retry {
 806            self.thread_error = None;
 807            self.thread_error_markdown = None;
 808            self.reset(window, cx);
 809        }
 810    }
 811
 812    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 813        &self.workspace
 814    }
 815
 816    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 817        match &self.thread_state {
 818            ThreadState::Ready { thread, .. } => Some(thread),
 819            ThreadState::Unauthenticated { .. }
 820            | ThreadState::Loading { .. }
 821            | ThreadState::LoadError { .. } => None,
 822        }
 823    }
 824
 825    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 826        match &self.thread_state {
 827            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 828            ThreadState::Unauthenticated { .. }
 829            | ThreadState::Loading { .. }
 830            | ThreadState::LoadError { .. } => None,
 831        }
 832    }
 833
 834    pub fn title(&self, cx: &App) -> SharedString {
 835        match &self.thread_state {
 836            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 837            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 838            ThreadState::LoadError(error) => match error {
 839                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 840                LoadError::FailedToInstall(_) => {
 841                    format!("Failed to Install {}", self.agent.name()).into()
 842                }
 843                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 844                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 845            },
 846        }
 847    }
 848
 849    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 850        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 851            title_editor.clone()
 852        } else {
 853            None
 854        }
 855    }
 856
 857    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 858        self.thread_error.take();
 859        self.thread_retry_status.take();
 860
 861        if let Some(thread) = self.thread() {
 862            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 863        }
 864    }
 865
 866    pub fn expand_message_editor(
 867        &mut self,
 868        _: &ExpandMessageEditor,
 869        _window: &mut Window,
 870        cx: &mut Context<Self>,
 871    ) {
 872        self.set_editor_is_expanded(!self.editor_expanded, cx);
 873        cx.stop_propagation();
 874        cx.notify();
 875    }
 876
 877    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 878        self.editor_expanded = is_expanded;
 879        self.message_editor.update(cx, |editor, cx| {
 880            if is_expanded {
 881                editor.set_mode(
 882                    EditorMode::Full {
 883                        scale_ui_elements_with_buffer_font_size: false,
 884                        show_active_line_background: false,
 885                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 886                    },
 887                    cx,
 888                )
 889            } else {
 890                let agent_settings = AgentSettings::get_global(cx);
 891                editor.set_mode(
 892                    EditorMode::AutoHeight {
 893                        min_lines: agent_settings.message_editor_min_lines,
 894                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 895                    },
 896                    cx,
 897                )
 898            }
 899        });
 900        cx.notify();
 901    }
 902
 903    pub fn handle_title_editor_event(
 904        &mut self,
 905        title_editor: &Entity<Editor>,
 906        event: &EditorEvent,
 907        window: &mut Window,
 908        cx: &mut Context<Self>,
 909    ) {
 910        let Some(thread) = self.thread() else { return };
 911
 912        match event {
 913            EditorEvent::BufferEdited => {
 914                let new_title = title_editor.read(cx).text(cx);
 915                thread.update(cx, |thread, cx| {
 916                    thread
 917                        .set_title(new_title.into(), cx)
 918                        .detach_and_log_err(cx);
 919                })
 920            }
 921            EditorEvent::Blurred => {
 922                if title_editor.read(cx).text(cx).is_empty() {
 923                    title_editor.update(cx, |editor, cx| {
 924                        editor.set_text("New Thread", window, cx);
 925                    });
 926                }
 927            }
 928            _ => {}
 929        }
 930    }
 931
 932    pub fn handle_message_editor_event(
 933        &mut self,
 934        _: &Entity<MessageEditor>,
 935        event: &MessageEditorEvent,
 936        window: &mut Window,
 937        cx: &mut Context<Self>,
 938    ) {
 939        match event {
 940            MessageEditorEvent::Send => self.send(window, cx),
 941            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 942            MessageEditorEvent::Focus => {
 943                self.cancel_editing(&Default::default(), window, cx);
 944            }
 945            MessageEditorEvent::LostFocus => {}
 946        }
 947    }
 948
 949    pub fn handle_entry_view_event(
 950        &mut self,
 951        _: &Entity<EntryViewState>,
 952        event: &EntryViewEvent,
 953        window: &mut Window,
 954        cx: &mut Context<Self>,
 955    ) {
 956        match &event.view_event {
 957            ViewEvent::NewDiff(tool_call_id) => {
 958                if AgentSettings::get_global(cx).expand_edit_card {
 959                    self.expanded_tool_calls.insert(tool_call_id.clone());
 960                }
 961            }
 962            ViewEvent::NewTerminal(tool_call_id) => {
 963                if AgentSettings::get_global(cx).expand_terminal_card {
 964                    self.expanded_tool_calls.insert(tool_call_id.clone());
 965                }
 966            }
 967            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 968                self.expanded_tool_calls.remove(tool_call_id);
 969            }
 970            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 971                if let Some(thread) = self.thread()
 972                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 973                        thread.read(cx).entries().get(event.entry_index)
 974                    && user_message.id.is_some()
 975                {
 976                    self.editing_message = Some(event.entry_index);
 977                    cx.notify();
 978                }
 979            }
 980            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 981                if let Some(thread) = self.thread()
 982                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 983                        thread.read(cx).entries().get(event.entry_index)
 984                    && user_message.id.is_some()
 985                {
 986                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 987                        self.editing_message = None;
 988                        cx.notify();
 989                    }
 990                }
 991            }
 992            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 993                self.regenerate(event.entry_index, editor.clone(), window, cx);
 994            }
 995            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 996                self.cancel_editing(&Default::default(), window, cx);
 997            }
 998        }
 999    }
1000
1001    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1002        self.thread_error.take();
1003        let Some(thread) = self.thread() else {
1004            return;
1005        };
1006        if !thread.read(cx).can_resume(cx) {
1007            return;
1008        }
1009
1010        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1011        cx.spawn(async move |this, cx| {
1012            let result = task.await;
1013
1014            this.update(cx, |this, cx| {
1015                if let Err(err) = result {
1016                    this.handle_thread_error(err, cx);
1017                }
1018            })
1019        })
1020        .detach();
1021    }
1022
1023    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1024        let Some(thread) = self.thread() else { return };
1025
1026        if self.is_loading_contents {
1027            return;
1028        }
1029
1030        self.history_store.update(cx, |history, cx| {
1031            history.push_recently_opened_entry(
1032                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1033                cx,
1034            );
1035        });
1036
1037        if thread.read(cx).status() != ThreadStatus::Idle {
1038            self.stop_current_and_send_new_message(window, cx);
1039            return;
1040        }
1041
1042        let text = self.message_editor.read(cx).text(cx);
1043        let text = text.trim();
1044        if text == "/login" || text == "/logout" {
1045            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1046                return;
1047            };
1048
1049            let connection = thread.read(cx).connection().clone();
1050            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1051            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1052            let logout_supported = text == "/logout"
1053                && self
1054                    .available_commands
1055                    .borrow()
1056                    .iter()
1057                    .any(|command| command.name == "logout");
1058            if can_login && !logout_supported {
1059                self.message_editor
1060                    .update(cx, |editor, cx| editor.clear(window, cx));
1061
1062                let this = cx.weak_entity();
1063                let agent = self.agent.clone();
1064                window.defer(cx, |window, cx| {
1065                    Self::handle_auth_required(
1066                        this,
1067                        AuthRequired {
1068                            description: None,
1069                            provider_id: None,
1070                        },
1071                        agent,
1072                        connection,
1073                        window,
1074                        cx,
1075                    );
1076                });
1077                cx.notify();
1078                return;
1079            }
1080        }
1081
1082        self.send_impl(self.message_editor.clone(), window, cx)
1083    }
1084
1085    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1086        let Some(thread) = self.thread().cloned() else {
1087            return;
1088        };
1089
1090        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1091
1092        cx.spawn_in(window, async move |this, cx| {
1093            cancelled.await;
1094
1095            this.update_in(cx, |this, window, cx| {
1096                this.send_impl(this.message_editor.clone(), window, cx);
1097            })
1098            .ok();
1099        })
1100        .detach();
1101    }
1102
1103    fn send_impl(
1104        &mut self,
1105        message_editor: Entity<MessageEditor>,
1106        window: &mut Window,
1107        cx: &mut Context<Self>,
1108    ) {
1109        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1110            // Include full contents when using minimal profile
1111            let thread = thread.read(cx);
1112            AgentSettings::get_global(cx)
1113                .profiles
1114                .get(thread.profile())
1115                .is_some_and(|profile| profile.tools.is_empty())
1116        });
1117
1118        let contents = message_editor.update(cx, |message_editor, cx| {
1119            message_editor.contents(full_mention_content, cx)
1120        });
1121
1122        self.thread_error.take();
1123        self.editing_message.take();
1124        self.thread_feedback.clear();
1125
1126        let Some(thread) = self.thread() else {
1127            return;
1128        };
1129        let agent_telemetry_id = self.agent.telemetry_id();
1130        let session_id = thread.read(cx).session_id().clone();
1131        let thread = thread.downgrade();
1132        if self.should_be_following {
1133            self.workspace
1134                .update(cx, |workspace, cx| {
1135                    workspace.follow(CollaboratorId::Agent, window, cx);
1136                })
1137                .ok();
1138        }
1139
1140        self.is_loading_contents = true;
1141        let model_id = self.current_model_id(cx);
1142        let mode_id = self.current_mode_id(cx);
1143        let guard = cx.new(|_| ());
1144        cx.observe_release(&guard, |this, _guard, cx| {
1145            this.is_loading_contents = false;
1146            cx.notify();
1147        })
1148        .detach();
1149
1150        let task = cx.spawn_in(window, async move |this, cx| {
1151            let (contents, tracked_buffers) = contents.await?;
1152
1153            if contents.is_empty() {
1154                return Ok(());
1155            }
1156
1157            this.update_in(cx, |this, window, cx| {
1158                this.set_editor_is_expanded(false, cx);
1159                this.scroll_to_bottom(cx);
1160                this.message_editor.update(cx, |message_editor, cx| {
1161                    message_editor.clear(window, cx);
1162                });
1163            })?;
1164            let turn_start_time = Instant::now();
1165            let send = thread.update(cx, |thread, cx| {
1166                thread.action_log().update(cx, |action_log, cx| {
1167                    for buffer in tracked_buffers {
1168                        action_log.buffer_read(buffer, cx)
1169                    }
1170                });
1171                drop(guard);
1172
1173                telemetry::event!(
1174                    "Agent Message Sent",
1175                    agent = agent_telemetry_id,
1176                    session = session_id,
1177                    model = model_id,
1178                    mode = mode_id
1179                );
1180
1181                thread.send(contents, cx)
1182            })?;
1183            let res = send.await;
1184            let turn_time_ms = turn_start_time.elapsed().as_millis();
1185            let status = if res.is_ok() { "success" } else { "failure" };
1186            telemetry::event!(
1187                "Agent Turn Completed",
1188                agent = agent_telemetry_id,
1189                session = session_id,
1190                model = model_id,
1191                mode = mode_id,
1192                status,
1193                turn_time_ms,
1194            );
1195            res
1196        });
1197
1198        cx.spawn(async move |this, cx| {
1199            if let Err(err) = task.await {
1200                this.update(cx, |this, cx| {
1201                    this.handle_thread_error(err, cx);
1202                })
1203                .ok();
1204            } else {
1205                this.update(cx, |this, cx| {
1206                    this.should_be_following = this
1207                        .workspace
1208                        .update(cx, |workspace, _| {
1209                            workspace.is_being_followed(CollaboratorId::Agent)
1210                        })
1211                        .unwrap_or_default();
1212                })
1213                .ok();
1214            }
1215        })
1216        .detach();
1217    }
1218
1219    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1220        let Some(thread) = self.thread().cloned() else {
1221            return;
1222        };
1223
1224        if let Some(index) = self.editing_message.take()
1225            && let Some(editor) = self
1226                .entry_view_state
1227                .read(cx)
1228                .entry(index)
1229                .and_then(|e| e.message_editor())
1230                .cloned()
1231        {
1232            editor.update(cx, |editor, cx| {
1233                if let Some(user_message) = thread
1234                    .read(cx)
1235                    .entries()
1236                    .get(index)
1237                    .and_then(|e| e.user_message())
1238                {
1239                    editor.set_message(user_message.chunks.clone(), window, cx);
1240                }
1241            })
1242        };
1243        self.focus_handle(cx).focus(window);
1244        cx.notify();
1245    }
1246
1247    fn regenerate(
1248        &mut self,
1249        entry_ix: usize,
1250        message_editor: Entity<MessageEditor>,
1251        window: &mut Window,
1252        cx: &mut Context<Self>,
1253    ) {
1254        let Some(thread) = self.thread().cloned() else {
1255            return;
1256        };
1257        if self.is_loading_contents {
1258            return;
1259        }
1260
1261        let Some(user_message_id) = thread.update(cx, |thread, _| {
1262            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1263        }) else {
1264            return;
1265        };
1266
1267        cx.spawn_in(window, async move |this, cx| {
1268            thread
1269                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1270                .await?;
1271            this.update_in(cx, |this, window, cx| {
1272                this.send_impl(message_editor, window, cx);
1273                this.focus_handle(cx).focus(window);
1274            })?;
1275            anyhow::Ok(())
1276        })
1277        .detach();
1278    }
1279
1280    fn open_edited_buffer(
1281        &mut self,
1282        buffer: &Entity<Buffer>,
1283        window: &mut Window,
1284        cx: &mut Context<Self>,
1285    ) {
1286        let Some(thread) = self.thread() else {
1287            return;
1288        };
1289
1290        let Some(diff) =
1291            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1292        else {
1293            return;
1294        };
1295
1296        diff.update(cx, |diff, cx| {
1297            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1298        })
1299    }
1300
1301    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1302        let Some(thread) = self.as_native_thread(cx) else {
1303            return;
1304        };
1305        let project_context = thread.read(cx).project_context().read(cx);
1306
1307        let project_entry_ids = project_context
1308            .worktrees
1309            .iter()
1310            .flat_map(|worktree| worktree.rules_file.as_ref())
1311            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1312            .collect::<Vec<_>>();
1313
1314        self.workspace
1315            .update(cx, move |workspace, cx| {
1316                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1317                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1318                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1319                let project = workspace.project().read(cx);
1320                let project_paths = project_entry_ids
1321                    .into_iter()
1322                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1323                    .collect::<Vec<_>>();
1324                for project_path in project_paths {
1325                    workspace
1326                        .open_path(project_path, None, true, window, cx)
1327                        .detach_and_log_err(cx);
1328                }
1329            })
1330            .ok();
1331    }
1332
1333    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1334        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1335        cx.notify();
1336    }
1337
1338    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1339        self.thread_error = None;
1340        self.thread_error_markdown = None;
1341        cx.notify();
1342    }
1343
1344    fn handle_thread_event(
1345        &mut self,
1346        thread: &Entity<AcpThread>,
1347        event: &AcpThreadEvent,
1348        window: &mut Window,
1349        cx: &mut Context<Self>,
1350    ) {
1351        match event {
1352            AcpThreadEvent::NewEntry => {
1353                let len = thread.read(cx).entries().len();
1354                let index = len - 1;
1355                self.entry_view_state.update(cx, |view_state, cx| {
1356                    view_state.sync_entry(index, thread, window, cx);
1357                    self.list_state.splice_focusable(
1358                        index..index,
1359                        [view_state
1360                            .entry(index)
1361                            .and_then(|entry| entry.focus_handle(cx))],
1362                    );
1363                });
1364            }
1365            AcpThreadEvent::EntryUpdated(index) => {
1366                self.entry_view_state.update(cx, |view_state, cx| {
1367                    view_state.sync_entry(*index, thread, window, cx)
1368                });
1369            }
1370            AcpThreadEvent::EntriesRemoved(range) => {
1371                self.entry_view_state
1372                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1373                self.list_state.splice(range.clone(), 0);
1374            }
1375            AcpThreadEvent::ToolAuthorizationRequired => {
1376                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1377            }
1378            AcpThreadEvent::Retry(retry) => {
1379                self.thread_retry_status = Some(retry.clone());
1380            }
1381            AcpThreadEvent::Stopped => {
1382                self.thread_retry_status.take();
1383                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1384                self.notify_with_sound(
1385                    if used_tools {
1386                        "Finished running tools"
1387                    } else {
1388                        "New message"
1389                    },
1390                    IconName::ZedAssistant,
1391                    window,
1392                    cx,
1393                );
1394            }
1395            AcpThreadEvent::Refusal => {
1396                self.thread_retry_status.take();
1397                self.thread_error = Some(ThreadError::Refusal);
1398                let model_or_agent_name = self.current_model_name(cx);
1399                let notification_message =
1400                    format!("{} refused to respond to this request", model_or_agent_name);
1401                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1402            }
1403            AcpThreadEvent::Error => {
1404                self.thread_retry_status.take();
1405                self.notify_with_sound(
1406                    "Agent stopped due to an error",
1407                    IconName::Warning,
1408                    window,
1409                    cx,
1410                );
1411            }
1412            AcpThreadEvent::LoadError(error) => {
1413                self.thread_retry_status.take();
1414                self.thread_state = ThreadState::LoadError(error.clone());
1415                if self.message_editor.focus_handle(cx).is_focused(window) {
1416                    self.focus_handle.focus(window)
1417                }
1418            }
1419            AcpThreadEvent::TitleUpdated => {
1420                let title = thread.read(cx).title();
1421                if let Some(title_editor) = self.title_editor() {
1422                    title_editor.update(cx, |editor, cx| {
1423                        if editor.text(cx) != title {
1424                            editor.set_text(title, window, cx);
1425                        }
1426                    });
1427                }
1428            }
1429            AcpThreadEvent::PromptCapabilitiesUpdated => {
1430                self.prompt_capabilities
1431                    .replace(thread.read(cx).prompt_capabilities());
1432            }
1433            AcpThreadEvent::TokenUsageUpdated => {}
1434            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1435                let mut available_commands = available_commands.clone();
1436
1437                if thread
1438                    .read(cx)
1439                    .connection()
1440                    .auth_methods()
1441                    .iter()
1442                    .any(|method| method.id.0.as_ref() == "claude-login")
1443                {
1444                    available_commands.push(acp::AvailableCommand {
1445                        name: "login".to_owned(),
1446                        description: "Authenticate".to_owned(),
1447                        input: None,
1448                        meta: None,
1449                    });
1450                    available_commands.push(acp::AvailableCommand {
1451                        name: "logout".to_owned(),
1452                        description: "Authenticate".to_owned(),
1453                        input: None,
1454                        meta: None,
1455                    });
1456                }
1457
1458                let has_commands = !available_commands.is_empty();
1459                self.available_commands.replace(available_commands);
1460
1461                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1462
1463                self.message_editor.update(cx, |editor, cx| {
1464                    editor.set_placeholder_text(&new_placeholder, window, cx);
1465                });
1466            }
1467            AcpThreadEvent::ModeUpdated(_mode) => {
1468                // The connection keeps track of the mode
1469                cx.notify();
1470            }
1471        }
1472        cx.notify();
1473    }
1474
1475    fn authenticate(
1476        &mut self,
1477        method: acp::AuthMethodId,
1478        window: &mut Window,
1479        cx: &mut Context<Self>,
1480    ) {
1481        let ThreadState::Unauthenticated {
1482            connection,
1483            pending_auth_method,
1484            configuration_view,
1485            ..
1486        } = &mut self.thread_state
1487        else {
1488            return;
1489        };
1490
1491        // Check for the experimental "terminal-auth" _meta field
1492        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1493
1494        if let Some(auth_method) = auth_method {
1495            if let Some(meta) = &auth_method.meta {
1496                if let Some(terminal_auth) = meta.get("terminal-auth") {
1497                    // Extract terminal auth details from meta
1498                    if let (Some(command), Some(label)) = (
1499                        terminal_auth.get("command").and_then(|v| v.as_str()),
1500                        terminal_auth.get("label").and_then(|v| v.as_str()),
1501                    ) {
1502                        let args = terminal_auth
1503                            .get("args")
1504                            .and_then(|v| v.as_array())
1505                            .map(|arr| {
1506                                arr.iter()
1507                                    .filter_map(|v| v.as_str().map(String::from))
1508                                    .collect()
1509                            })
1510                            .unwrap_or_default();
1511
1512                        let env = terminal_auth
1513                            .get("env")
1514                            .and_then(|v| v.as_object())
1515                            .map(|obj| {
1516                                obj.iter()
1517                                    .filter_map(|(k, v)| {
1518                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1519                                    })
1520                                    .collect::<HashMap<String, String>>()
1521                            })
1522                            .unwrap_or_default();
1523
1524                        // Run SpawnInTerminal in the same dir as the ACP server
1525                        let cwd = connection
1526                            .clone()
1527                            .downcast::<agent_servers::AcpConnection>()
1528                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1529
1530                        // Build SpawnInTerminal from _meta
1531                        let login = task::SpawnInTerminal {
1532                            id: task::TaskId(format!("external-agent-{}-login", label)),
1533                            full_label: label.to_string(),
1534                            label: label.to_string(),
1535                            command: Some(command.to_string()),
1536                            args,
1537                            command_label: label.to_string(),
1538                            cwd,
1539                            env,
1540                            use_new_terminal: true,
1541                            allow_concurrent_runs: true,
1542                            hide: task::HideStrategy::Always,
1543                            ..Default::default()
1544                        };
1545
1546                        self.thread_error.take();
1547                        configuration_view.take();
1548                        pending_auth_method.replace(method.clone());
1549
1550                        if let Some(workspace) = self.workspace.upgrade() {
1551                            let project = self.project.clone();
1552                            let authenticate = Self::spawn_external_agent_login(
1553                                login, workspace, project, false, true, window, cx,
1554                            );
1555                            cx.notify();
1556                            self.auth_task = Some(cx.spawn_in(window, {
1557                                let agent = self.agent.clone();
1558                                async move |this, cx| {
1559                                    let result = authenticate.await;
1560
1561                                    match &result {
1562                                        Ok(_) => telemetry::event!(
1563                                            "Authenticate Agent Succeeded",
1564                                            agent = agent.telemetry_id()
1565                                        ),
1566                                        Err(_) => {
1567                                            telemetry::event!(
1568                                                "Authenticate Agent Failed",
1569                                                agent = agent.telemetry_id(),
1570                                            )
1571                                        }
1572                                    }
1573
1574                                    this.update_in(cx, |this, window, cx| {
1575                                        if let Err(err) = result {
1576                                            if let ThreadState::Unauthenticated {
1577                                                pending_auth_method,
1578                                                ..
1579                                            } = &mut this.thread_state
1580                                            {
1581                                                pending_auth_method.take();
1582                                            }
1583                                            this.handle_thread_error(err, cx);
1584                                        } else {
1585                                            this.reset(window, cx);
1586                                        }
1587                                        this.auth_task.take()
1588                                    })
1589                                    .ok();
1590                                }
1591                            }));
1592                        }
1593                        return;
1594                    }
1595                }
1596            }
1597        }
1598
1599        if method.0.as_ref() == "gemini-api-key" {
1600            let registry = LanguageModelRegistry::global(cx);
1601            let provider = registry
1602                .read(cx)
1603                .provider(&language_model::GOOGLE_PROVIDER_ID)
1604                .unwrap();
1605            if !provider.is_authenticated(cx) {
1606                let this = cx.weak_entity();
1607                let agent = self.agent.clone();
1608                let connection = connection.clone();
1609                window.defer(cx, |window, cx| {
1610                    Self::handle_auth_required(
1611                        this,
1612                        AuthRequired {
1613                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1614                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1615                        },
1616                        agent,
1617                        connection,
1618                        window,
1619                        cx,
1620                    );
1621                });
1622                return;
1623            }
1624        } else if method.0.as_ref() == "anthropic-api-key" {
1625            let registry = LanguageModelRegistry::global(cx);
1626            let provider = registry
1627                .read(cx)
1628                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1629                .unwrap();
1630            let this = cx.weak_entity();
1631            let agent = self.agent.clone();
1632            let connection = connection.clone();
1633            window.defer(cx, move |window, cx| {
1634                if !provider.is_authenticated(cx) {
1635                    Self::handle_auth_required(
1636                        this,
1637                        AuthRequired {
1638                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1639                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1640                        },
1641                        agent,
1642                        connection,
1643                        window,
1644                        cx,
1645                    );
1646                } else {
1647                    this.update(cx, |this, cx| {
1648                        this.thread_state = Self::initial_state(
1649                            agent,
1650                            None,
1651                            this.workspace.clone(),
1652                            this.project.clone(),
1653                            window,
1654                            cx,
1655                        )
1656                    })
1657                    .ok();
1658                }
1659            });
1660            return;
1661        } else if method.0.as_ref() == "vertex-ai"
1662            && std::env::var("GOOGLE_API_KEY").is_err()
1663            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1664                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1665        {
1666            let this = cx.weak_entity();
1667            let agent = self.agent.clone();
1668            let connection = connection.clone();
1669
1670            window.defer(cx, |window, cx| {
1671                    Self::handle_auth_required(
1672                        this,
1673                        AuthRequired {
1674                            description: Some(
1675                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1676                                    .to_owned(),
1677                            ),
1678                            provider_id: None,
1679                        },
1680                        agent,
1681                        connection,
1682                        window,
1683                        cx,
1684                    )
1685                });
1686            return;
1687        }
1688
1689        self.thread_error.take();
1690        configuration_view.take();
1691        pending_auth_method.replace(method.clone());
1692        let authenticate = if (method.0.as_ref() == "claude-login"
1693            || method.0.as_ref() == "spawn-gemini-cli")
1694            && let Some(login) = self.login.clone()
1695        {
1696            if let Some(workspace) = self.workspace.upgrade() {
1697                let project = self.project.clone();
1698                Self::spawn_external_agent_login(
1699                    login, workspace, project, false, false, window, cx,
1700                )
1701            } else {
1702                Task::ready(Ok(()))
1703            }
1704        } else {
1705            connection.authenticate(method, cx)
1706        };
1707        cx.notify();
1708        self.auth_task =
1709            Some(cx.spawn_in(window, {
1710                let agent = self.agent.clone();
1711                async move |this, cx| {
1712                    let result = authenticate.await;
1713
1714                    match &result {
1715                        Ok(_) => telemetry::event!(
1716                            "Authenticate Agent Succeeded",
1717                            agent = agent.telemetry_id()
1718                        ),
1719                        Err(_) => {
1720                            telemetry::event!(
1721                                "Authenticate Agent Failed",
1722                                agent = agent.telemetry_id(),
1723                            )
1724                        }
1725                    }
1726
1727                    this.update_in(cx, |this, window, cx| {
1728                        if let Err(err) = result {
1729                            if let ThreadState::Unauthenticated {
1730                                pending_auth_method,
1731                                ..
1732                            } = &mut this.thread_state
1733                            {
1734                                pending_auth_method.take();
1735                            }
1736                            this.handle_thread_error(err, cx);
1737                        } else {
1738                            this.reset(window, cx);
1739                        }
1740                        this.auth_task.take()
1741                    })
1742                    .ok();
1743                }
1744            }));
1745    }
1746
1747    fn spawn_external_agent_login(
1748        login: task::SpawnInTerminal,
1749        workspace: Entity<Workspace>,
1750        project: Entity<Project>,
1751        previous_attempt: bool,
1752        check_exit_code: bool,
1753        window: &mut Window,
1754        cx: &mut App,
1755    ) -> Task<Result<()>> {
1756        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1757            return Task::ready(Ok(()));
1758        };
1759
1760        window.spawn(cx, async move |cx| {
1761            let mut task = login.clone();
1762            if let Some(cmd) = &task.command {
1763                // Have "node" command use Zed's managed Node runtime by default
1764                if cmd == "node" {
1765                    let resolved_node_runtime = project
1766                        .update(cx, |project, cx| {
1767                            let agent_server_store = project.agent_server_store().clone();
1768                            agent_server_store.update(cx, |store, cx| {
1769                                store.node_runtime().map(|node_runtime| {
1770                                    cx.background_spawn(async move {
1771                                        node_runtime.binary_path().await
1772                                    })
1773                                })
1774                            })
1775                        });
1776
1777                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1778                        if let Ok(node_path) = resolve_task.await {
1779                            task.command = Some(node_path.to_string_lossy().to_string());
1780                        }
1781                    }
1782                }
1783            }
1784            task.shell = task::Shell::WithArguments {
1785                program: task.command.take().expect("login command should be set"),
1786                args: std::mem::take(&mut task.args),
1787                title_override: None
1788            };
1789            task.full_label = task.label.clone();
1790            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1791            task.command_label = task.label.clone();
1792            task.use_new_terminal = true;
1793            task.allow_concurrent_runs = true;
1794            task.hide = task::HideStrategy::Always;
1795
1796            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1797                terminal_panel.spawn_task(&task, window, cx)
1798            })?;
1799
1800            let terminal = terminal.await?;
1801
1802            if check_exit_code {
1803                // For extension-based auth, wait for the process to exit and check exit code
1804                let exit_status = terminal
1805                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1806                    .await;
1807
1808                match exit_status {
1809                    Some(status) if status.success() => {
1810                        Ok(())
1811                    }
1812                    Some(status) => {
1813                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1814                    }
1815                    None => {
1816                        Err(anyhow!("Login command terminated without exit status"))
1817                    }
1818                }
1819            } else {
1820                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1821                let mut exit_status = terminal
1822                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1823                    .fuse();
1824
1825                let logged_in = cx
1826                    .spawn({
1827                        let terminal = terminal.clone();
1828                        async move |cx| {
1829                            loop {
1830                                cx.background_executor().timer(Duration::from_secs(1)).await;
1831                                let content =
1832                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1833                                if content.contains("Login successful")
1834                                    || content.contains("Type your message")
1835                                {
1836                                    return anyhow::Ok(());
1837                                }
1838                            }
1839                        }
1840                    })
1841                    .fuse();
1842                futures::pin_mut!(logged_in);
1843                futures::select_biased! {
1844                    result = logged_in => {
1845                        if let Err(e) = result {
1846                            log::error!("{e}");
1847                            return Err(anyhow!("exited before logging in"));
1848                        }
1849                    }
1850                    _ = exit_status => {
1851                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1852                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1853                        }
1854                        return Err(anyhow!("exited before logging in"));
1855                    }
1856                }
1857                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1858                Ok(())
1859            }
1860        })
1861    }
1862
1863    fn authorize_tool_call(
1864        &mut self,
1865        tool_call_id: acp::ToolCallId,
1866        option_id: acp::PermissionOptionId,
1867        option_kind: acp::PermissionOptionKind,
1868        window: &mut Window,
1869        cx: &mut Context<Self>,
1870    ) {
1871        let Some(thread) = self.thread() else {
1872            return;
1873        };
1874
1875        telemetry::event!(
1876            "Agent Tool Call Authorized",
1877            agent = self.agent.telemetry_id(),
1878            session = thread.read(cx).session_id(),
1879            option = option_kind
1880        );
1881
1882        thread.update(cx, |thread, cx| {
1883            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1884        });
1885        if self.should_be_following {
1886            self.workspace
1887                .update(cx, |workspace, cx| {
1888                    workspace.follow(CollaboratorId::Agent, window, cx);
1889                })
1890                .ok();
1891        }
1892        cx.notify();
1893    }
1894
1895    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1896        let Some(thread) = self.thread() else {
1897            return;
1898        };
1899
1900        thread
1901            .update(cx, |thread, cx| {
1902                thread.restore_checkpoint(message_id.clone(), cx)
1903            })
1904            .detach_and_log_err(cx);
1905    }
1906
1907    fn render_entry(
1908        &self,
1909        entry_ix: usize,
1910        total_entries: usize,
1911        entry: &AgentThreadEntry,
1912        window: &mut Window,
1913        cx: &Context<Self>,
1914    ) -> AnyElement {
1915        let primary = match &entry {
1916            AgentThreadEntry::UserMessage(message) => {
1917                let Some(editor) = self
1918                    .entry_view_state
1919                    .read(cx)
1920                    .entry(entry_ix)
1921                    .and_then(|entry| entry.message_editor())
1922                    .cloned()
1923                else {
1924                    return Empty.into_any_element();
1925                };
1926
1927                let editing = self.editing_message == Some(entry_ix);
1928                let editor_focus = editor.focus_handle(cx).is_focused(window);
1929                let focus_border = cx.theme().colors().border_focused;
1930
1931                let rules_item = if entry_ix == 0 {
1932                    self.render_rules_item(cx)
1933                } else {
1934                    None
1935                };
1936
1937                let has_checkpoint_button = message
1938                    .checkpoint
1939                    .as_ref()
1940                    .is_some_and(|checkpoint| checkpoint.show);
1941
1942                let agent_name = self.agent.name();
1943
1944                v_flex()
1945                    .id(("user_message", entry_ix))
1946                    .map(|this| {
1947                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1948                            this.pt(rems_from_px(18.))
1949                        } else if rules_item.is_some() {
1950                            this.pt_3()
1951                        } else {
1952                            this.pt_2()
1953                        }
1954                    })
1955                    .pb_3()
1956                    .px_2()
1957                    .gap_1p5()
1958                    .w_full()
1959                    .children(rules_item)
1960                    .children(message.id.clone().and_then(|message_id| {
1961                        message.checkpoint.as_ref()?.show.then(|| {
1962                            h_flex()
1963                                .px_3()
1964                                .gap_2()
1965                                .child(Divider::horizontal())
1966                                .child(
1967                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1968                                        .icon(IconName::Undo)
1969                                        .icon_size(IconSize::XSmall)
1970                                        .icon_position(IconPosition::Start)
1971                                        .label_size(LabelSize::XSmall)
1972                                        .icon_color(Color::Muted)
1973                                        .color(Color::Muted)
1974                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1975                                        .on_click(cx.listener(move |this, _, _window, cx| {
1976                                            this.restore_checkpoint(&message_id, cx);
1977                                        }))
1978                                )
1979                                .child(Divider::horizontal())
1980                        })
1981                    }))
1982                    .child(
1983                        div()
1984                            .relative()
1985                            .child(
1986                                div()
1987                                    .py_3()
1988                                    .px_2()
1989                                    .rounded_md()
1990                                    .shadow_md()
1991                                    .bg(cx.theme().colors().editor_background)
1992                                    .border_1()
1993                                    .when(editing && !editor_focus, |this| this.border_dashed())
1994                                    .border_color(cx.theme().colors().border)
1995                                    .map(|this|{
1996                                        if editing && editor_focus {
1997                                            this.border_color(focus_border)
1998                                        } else if message.id.is_some() {
1999                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2000                                        } else {
2001                                            this
2002                                        }
2003                                    })
2004                                    .text_xs()
2005                                    .child(editor.clone().into_any_element()),
2006                            )
2007                            .when(editor_focus, |this| {
2008                                let base_container = h_flex()
2009                                    .absolute()
2010                                    .top_neg_3p5()
2011                                    .right_3()
2012                                    .gap_1()
2013                                    .rounded_sm()
2014                                    .border_1()
2015                                    .border_color(cx.theme().colors().border)
2016                                    .bg(cx.theme().colors().editor_background)
2017                                    .overflow_hidden();
2018
2019                                if message.id.is_some() {
2020                                    this.child(
2021                                        base_container
2022                                            .child(
2023                                                IconButton::new("cancel", IconName::Close)
2024                                                    .disabled(self.is_loading_contents)
2025                                                    .icon_color(Color::Error)
2026                                                    .icon_size(IconSize::XSmall)
2027                                                    .on_click(cx.listener(Self::cancel_editing))
2028                                            )
2029                                            .child(
2030                                                if self.is_loading_contents {
2031                                                    div()
2032                                                        .id("loading-edited-message-content")
2033                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2034                                                        .child(loading_contents_spinner(IconSize::XSmall))
2035                                                        .into_any_element()
2036                                                } else {
2037                                                    IconButton::new("regenerate", IconName::Return)
2038                                                        .icon_color(Color::Muted)
2039                                                        .icon_size(IconSize::XSmall)
2040                                                        .tooltip(Tooltip::text(
2041                                                            "Editing will restart the thread from this point."
2042                                                        ))
2043                                                        .on_click(cx.listener({
2044                                                            let editor = editor.clone();
2045                                                            move |this, _, window, cx| {
2046                                                                this.regenerate(
2047                                                                    entry_ix, editor.clone(), window, cx,
2048                                                                );
2049                                                            }
2050                                                        })).into_any_element()
2051                                                }
2052                                            )
2053                                    )
2054                                } else {
2055                                    this.child(
2056                                        base_container
2057                                            .border_dashed()
2058                                            .child(
2059                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2060                                                    .icon_size(IconSize::Small)
2061                                                    .icon_color(Color::Muted)
2062                                                    .style(ButtonStyle::Transparent)
2063                                                    .tooltip(move |_window, cx| {
2064                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
2065                                                            .into()
2066                                                    })
2067                                            )
2068                                    )
2069                                }
2070                            }),
2071                    )
2072                    .into_any()
2073            }
2074            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
2075                let is_last = entry_ix + 1 == total_entries;
2076
2077                let style = default_markdown_style(false, false, window, cx);
2078                let message_body = v_flex()
2079                    .w_full()
2080                    .gap_3()
2081                    .children(chunks.iter().enumerate().filter_map(
2082                        |(chunk_ix, chunk)| match chunk {
2083                            AssistantMessageChunk::Message { block } => {
2084                                block.markdown().map(|md| {
2085                                    self.render_markdown(md.clone(), style.clone())
2086                                        .into_any_element()
2087                                })
2088                            }
2089                            AssistantMessageChunk::Thought { block } => {
2090                                block.markdown().map(|md| {
2091                                    self.render_thinking_block(
2092                                        entry_ix,
2093                                        chunk_ix,
2094                                        md.clone(),
2095                                        window,
2096                                        cx,
2097                                    )
2098                                    .into_any_element()
2099                                })
2100                            }
2101                        },
2102                    ))
2103                    .into_any();
2104
2105                v_flex()
2106                    .px_5()
2107                    .py_1p5()
2108                    .when(is_last, |this| this.pb_4())
2109                    .w_full()
2110                    .text_ui(cx)
2111                    .child(message_body)
2112                    .into_any()
2113            }
2114            AgentThreadEntry::ToolCall(tool_call) => {
2115                let has_terminals = tool_call.terminals().next().is_some();
2116
2117                div().w_full().map(|this| {
2118                    if has_terminals {
2119                        this.children(tool_call.terminals().map(|terminal| {
2120                            self.render_terminal_tool_call(
2121                                entry_ix, terminal, tool_call, window, cx,
2122                            )
2123                        }))
2124                    } else {
2125                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2126                    }
2127                })
2128            }
2129            .into_any(),
2130        };
2131
2132        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2133            matches!(
2134                tool_call.status,
2135                ToolCallStatus::WaitingForConfirmation { .. }
2136            )
2137        } else {
2138            false
2139        };
2140
2141        let Some(thread) = self.thread() else {
2142            return primary;
2143        };
2144
2145        let primary = if entry_ix == total_entries - 1 {
2146            v_flex()
2147                .w_full()
2148                .child(primary)
2149                .map(|this| {
2150                    if needs_confirmation {
2151                        this.child(self.render_generating(true))
2152                    } else {
2153                        this.child(self.render_thread_controls(&thread, cx))
2154                    }
2155                })
2156                .when_some(
2157                    self.thread_feedback.comments_editor.clone(),
2158                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2159                )
2160                .into_any_element()
2161        } else {
2162            primary
2163        };
2164
2165        if let Some(editing_index) = self.editing_message.as_ref()
2166            && *editing_index < entry_ix
2167        {
2168            let backdrop = div()
2169                .id(("backdrop", entry_ix))
2170                .size_full()
2171                .absolute()
2172                .inset_0()
2173                .bg(cx.theme().colors().panel_background)
2174                .opacity(0.8)
2175                .block_mouse_except_scroll()
2176                .on_click(cx.listener(Self::cancel_editing));
2177
2178            div()
2179                .relative()
2180                .child(primary)
2181                .child(backdrop)
2182                .into_any_element()
2183        } else {
2184            primary
2185        }
2186    }
2187
2188    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2189        cx.theme()
2190            .colors()
2191            .element_background
2192            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2193    }
2194
2195    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2196        cx.theme().colors().border.opacity(0.8)
2197    }
2198
2199    fn tool_name_font_size(&self) -> Rems {
2200        rems_from_px(13.)
2201    }
2202
2203    fn render_thinking_block(
2204        &self,
2205        entry_ix: usize,
2206        chunk_ix: usize,
2207        chunk: Entity<Markdown>,
2208        window: &Window,
2209        cx: &Context<Self>,
2210    ) -> AnyElement {
2211        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2212        let card_header_id = SharedString::from("inner-card-header");
2213
2214        let key = (entry_ix, chunk_ix);
2215
2216        let is_open = self.expanded_thinking_blocks.contains(&key);
2217
2218        let scroll_handle = self
2219            .entry_view_state
2220            .read(cx)
2221            .entry(entry_ix)
2222            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2223
2224        let thinking_content = {
2225            div()
2226                .id(("thinking-content", chunk_ix))
2227                .when_some(scroll_handle, |this, scroll_handle| {
2228                    this.track_scroll(&scroll_handle)
2229                })
2230                .text_ui_sm(cx)
2231                .overflow_hidden()
2232                .child(
2233                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2234                )
2235        };
2236
2237        v_flex()
2238            .gap_1()
2239            .child(
2240                h_flex()
2241                    .id(header_id)
2242                    .group(&card_header_id)
2243                    .relative()
2244                    .w_full()
2245                    .pr_1()
2246                    .justify_between()
2247                    .child(
2248                        h_flex()
2249                            .h(window.line_height() - px(2.))
2250                            .gap_1p5()
2251                            .overflow_hidden()
2252                            .child(
2253                                Icon::new(IconName::ToolThink)
2254                                    .size(IconSize::Small)
2255                                    .color(Color::Muted),
2256                            )
2257                            .child(
2258                                div()
2259                                    .text_size(self.tool_name_font_size())
2260                                    .text_color(cx.theme().colors().text_muted)
2261                                    .child("Thinking"),
2262                            ),
2263                    )
2264                    .child(
2265                        Disclosure::new(("expand", entry_ix), is_open)
2266                            .opened_icon(IconName::ChevronUp)
2267                            .closed_icon(IconName::ChevronDown)
2268                            .visible_on_hover(&card_header_id)
2269                            .on_click(cx.listener({
2270                                move |this, _event, _window, cx| {
2271                                    if is_open {
2272                                        this.expanded_thinking_blocks.remove(&key);
2273                                    } else {
2274                                        this.expanded_thinking_blocks.insert(key);
2275                                    }
2276                                    cx.notify();
2277                                }
2278                            })),
2279                    )
2280                    .on_click(cx.listener({
2281                        move |this, _event, _window, cx| {
2282                            if is_open {
2283                                this.expanded_thinking_blocks.remove(&key);
2284                            } else {
2285                                this.expanded_thinking_blocks.insert(key);
2286                            }
2287                            cx.notify();
2288                        }
2289                    })),
2290            )
2291            .when(is_open, |this| {
2292                this.child(
2293                    div()
2294                        .ml_1p5()
2295                        .pl_3p5()
2296                        .border_l_1()
2297                        .border_color(self.tool_card_border_color(cx))
2298                        .child(thinking_content),
2299                )
2300            })
2301            .into_any_element()
2302    }
2303
2304    fn render_tool_call(
2305        &self,
2306        entry_ix: usize,
2307        tool_call: &ToolCall,
2308        window: &Window,
2309        cx: &Context<Self>,
2310    ) -> Div {
2311        let has_location = tool_call.locations.len() == 1;
2312        let card_header_id = SharedString::from("inner-tool-call-header");
2313
2314        let failed_or_canceled = match &tool_call.status {
2315            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2316            _ => false,
2317        };
2318
2319        let needs_confirmation = matches!(
2320            tool_call.status,
2321            ToolCallStatus::WaitingForConfirmation { .. }
2322        );
2323        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2324        let is_edit =
2325            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2326
2327        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2328
2329        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2330
2331        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2332
2333        let tool_output_display =
2334            if is_open {
2335                match &tool_call.status {
2336                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2337                        .w_full()
2338                        .children(tool_call.content.iter().enumerate().map(
2339                            |(content_ix, content)| {
2340                                div()
2341                                    .child(self.render_tool_call_content(
2342                                        entry_ix,
2343                                        content,
2344                                        content_ix,
2345                                        tool_call,
2346                                        use_card_layout,
2347                                        window,
2348                                        cx,
2349                                    ))
2350                                    .into_any_element()
2351                            },
2352                        ))
2353                        .child(self.render_permission_buttons(
2354                            tool_call.kind,
2355                            options,
2356                            entry_ix,
2357                            tool_call.id.clone(),
2358                            cx,
2359                        ))
2360                        .into_any(),
2361                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2362                        if is_edit
2363                            && tool_call.content.is_empty()
2364                            && self.as_native_connection(cx).is_some() =>
2365                    {
2366                        self.render_diff_loading(cx).into_any()
2367                    }
2368                    ToolCallStatus::Pending
2369                    | ToolCallStatus::InProgress
2370                    | ToolCallStatus::Completed
2371                    | ToolCallStatus::Failed
2372                    | ToolCallStatus::Canceled => v_flex()
2373                        .w_full()
2374                        .children(tool_call.content.iter().enumerate().map(
2375                            |(content_ix, content)| {
2376                                div().child(self.render_tool_call_content(
2377                                    entry_ix,
2378                                    content,
2379                                    content_ix,
2380                                    tool_call,
2381                                    use_card_layout,
2382                                    window,
2383                                    cx,
2384                                ))
2385                            },
2386                        ))
2387                        .into_any(),
2388                    ToolCallStatus::Rejected => Empty.into_any(),
2389                }
2390                .into()
2391            } else {
2392                None
2393            };
2394
2395        v_flex()
2396            .map(|this| {
2397                if use_card_layout {
2398                    this.my_1p5()
2399                        .rounded_md()
2400                        .border_1()
2401                        .border_color(self.tool_card_border_color(cx))
2402                        .bg(cx.theme().colors().editor_background)
2403                        .overflow_hidden()
2404                } else {
2405                    this.my_1()
2406                }
2407            })
2408            .map(|this| {
2409                if has_location && !use_card_layout {
2410                    this.ml_4()
2411                } else {
2412                    this.ml_5()
2413                }
2414            })
2415            .mr_5()
2416            .map(|this| {
2417                if is_terminal_tool {
2418                    this.child(
2419                        v_flex()
2420                            .p_1p5()
2421                            .gap_0p5()
2422                            .text_ui_sm(cx)
2423                            .bg(self.tool_card_header_bg(cx))
2424                            .child(
2425                                Label::new("Run Command")
2426                                    .buffer_font(cx)
2427                                    .size(LabelSize::XSmall)
2428                                    .color(Color::Muted),
2429                            )
2430                            .child(
2431                                MarkdownElement::new(
2432                                    tool_call.label.clone(),
2433                                    terminal_command_markdown_style(window, cx),
2434                                )
2435                                .code_block_renderer(
2436                                    markdown::CodeBlockRenderer::Default {
2437                                        copy_button: false,
2438                                        copy_button_on_hover: false,
2439                                        border: false,
2440                                    },
2441                                )
2442                            ),
2443                    )
2444                } else {
2445                   this.child(
2446                        h_flex()
2447                            .group(&card_header_id)
2448                            .relative()
2449                            .w_full()
2450                            .gap_1()
2451                            .justify_between()
2452                            .when(use_card_layout, |this| {
2453                                this.p_0p5()
2454                                    .rounded_t(rems_from_px(5.))
2455                                    .bg(self.tool_card_header_bg(cx))
2456                            })
2457                            .child(self.render_tool_call_label(
2458                                entry_ix,
2459                                tool_call,
2460                                is_edit,
2461                                use_card_layout,
2462                                window,
2463                                cx,
2464                            ))
2465                            .when(is_collapsible || failed_or_canceled, |this| {
2466                                this.child(
2467                                    h_flex()
2468                                        .px_1()
2469                                        .gap_px()
2470                                        .when(is_collapsible, |this| {
2471                                            this.child(
2472                                            Disclosure::new(("expand", entry_ix), is_open)
2473                                                .opened_icon(IconName::ChevronUp)
2474                                                .closed_icon(IconName::ChevronDown)
2475                                                .visible_on_hover(&card_header_id)
2476                                                .on_click(cx.listener({
2477                                                    let id = tool_call.id.clone();
2478                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2479                                                        if is_open {
2480                                                            this.expanded_tool_calls.remove(&id);
2481                                                        } else {
2482                                                            this.expanded_tool_calls.insert(id.clone());
2483                                                        }
2484                                                        cx.notify();
2485                                                    }
2486                                                })),
2487                                        )
2488                                        })
2489                                        .when(failed_or_canceled, |this| {
2490                                            this.child(
2491                                                Icon::new(IconName::Close)
2492                                                    .color(Color::Error)
2493                                                    .size(IconSize::Small),
2494                                            )
2495                                        }),
2496                                )
2497                            }),
2498                    )
2499                }
2500            })
2501            .children(tool_output_display)
2502    }
2503
2504    fn render_tool_call_label(
2505        &self,
2506        entry_ix: usize,
2507        tool_call: &ToolCall,
2508        is_edit: bool,
2509        use_card_layout: bool,
2510        window: &Window,
2511        cx: &Context<Self>,
2512    ) -> Div {
2513        let has_location = tool_call.locations.len() == 1;
2514
2515        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2516            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2517                .map(Icon::from_path)
2518                .unwrap_or(Icon::new(IconName::ToolPencil))
2519        } else {
2520            Icon::new(match tool_call.kind {
2521                acp::ToolKind::Read => IconName::ToolSearch,
2522                acp::ToolKind::Edit => IconName::ToolPencil,
2523                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2524                acp::ToolKind::Move => IconName::ArrowRightLeft,
2525                acp::ToolKind::Search => IconName::ToolSearch,
2526                acp::ToolKind::Execute => IconName::ToolTerminal,
2527                acp::ToolKind::Think => IconName::ToolThink,
2528                acp::ToolKind::Fetch => IconName::ToolWeb,
2529                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2530                acp::ToolKind::Other => IconName::ToolHammer,
2531            })
2532        }
2533        .size(IconSize::Small)
2534        .color(Color::Muted);
2535
2536        let gradient_overlay = {
2537            div()
2538                .absolute()
2539                .top_0()
2540                .right_0()
2541                .w_12()
2542                .h_full()
2543                .map(|this| {
2544                    if use_card_layout {
2545                        this.bg(linear_gradient(
2546                            90.,
2547                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2548                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2549                        ))
2550                    } else {
2551                        this.bg(linear_gradient(
2552                            90.,
2553                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2554                            linear_color_stop(
2555                                cx.theme().colors().panel_background.opacity(0.2),
2556                                0.,
2557                            ),
2558                        ))
2559                    }
2560                })
2561        };
2562
2563        h_flex()
2564            .relative()
2565            .w_full()
2566            .h(window.line_height() - px(2.))
2567            .text_size(self.tool_name_font_size())
2568            .gap_1p5()
2569            .when(has_location || use_card_layout, |this| this.px_1())
2570            .when(has_location, |this| {
2571                this.cursor(CursorStyle::PointingHand)
2572                    .rounded(rems_from_px(3.)) // Concentric border radius
2573                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2574            })
2575            .overflow_hidden()
2576            .child(tool_icon)
2577            .child(if has_location {
2578                h_flex()
2579                    .id(("open-tool-call-location", entry_ix))
2580                    .w_full()
2581                    .map(|this| {
2582                        if use_card_layout {
2583                            this.text_color(cx.theme().colors().text)
2584                        } else {
2585                            this.text_color(cx.theme().colors().text_muted)
2586                        }
2587                    })
2588                    .child(self.render_markdown(
2589                        tool_call.label.clone(),
2590                        MarkdownStyle {
2591                            prevent_mouse_interaction: true,
2592                            ..default_markdown_style(false, true, window, cx)
2593                        },
2594                    ))
2595                    .tooltip(Tooltip::text("Jump to File"))
2596                    .on_click(cx.listener(move |this, _, window, cx| {
2597                        this.open_tool_call_location(entry_ix, 0, window, cx);
2598                    }))
2599                    .into_any_element()
2600            } else {
2601                h_flex()
2602                    .w_full()
2603                    .child(self.render_markdown(
2604                        tool_call.label.clone(),
2605                        default_markdown_style(false, true, window, cx),
2606                    ))
2607                    .into_any()
2608            })
2609            .when(!is_edit, |this| this.child(gradient_overlay))
2610    }
2611
2612    fn render_tool_call_content(
2613        &self,
2614        entry_ix: usize,
2615        content: &ToolCallContent,
2616        context_ix: usize,
2617        tool_call: &ToolCall,
2618        card_layout: bool,
2619        window: &Window,
2620        cx: &Context<Self>,
2621    ) -> AnyElement {
2622        match content {
2623            ToolCallContent::ContentBlock(content) => {
2624                if let Some(resource_link) = content.resource_link() {
2625                    self.render_resource_link(resource_link, cx)
2626                } else if let Some(markdown) = content.markdown() {
2627                    self.render_markdown_output(
2628                        markdown.clone(),
2629                        tool_call.id.clone(),
2630                        context_ix,
2631                        card_layout,
2632                        window,
2633                        cx,
2634                    )
2635                } else {
2636                    Empty.into_any_element()
2637                }
2638            }
2639            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2640            ToolCallContent::Terminal(terminal) => {
2641                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2642            }
2643        }
2644    }
2645
2646    fn render_markdown_output(
2647        &self,
2648        markdown: Entity<Markdown>,
2649        tool_call_id: acp::ToolCallId,
2650        context_ix: usize,
2651        card_layout: bool,
2652        window: &Window,
2653        cx: &Context<Self>,
2654    ) -> AnyElement {
2655        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2656
2657        v_flex()
2658            .mt_1p5()
2659            .gap_2()
2660            .when(!card_layout, |this| {
2661                this.ml(rems(0.4))
2662                    .px_3p5()
2663                    .border_l_1()
2664                    .border_color(self.tool_card_border_color(cx))
2665            })
2666            .when(card_layout, |this| {
2667                this.px_2().pb_2().when(context_ix > 0, |this| {
2668                    this.border_t_1()
2669                        .pt_2()
2670                        .border_color(self.tool_card_border_color(cx))
2671                })
2672            })
2673            .text_xs()
2674            .text_color(cx.theme().colors().text_muted)
2675            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2676            .when(!card_layout, |this| {
2677                this.child(
2678                    IconButton::new(button_id, IconName::ChevronUp)
2679                        .full_width()
2680                        .style(ButtonStyle::Outlined)
2681                        .icon_color(Color::Muted)
2682                        .on_click(cx.listener({
2683                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2684                                this.expanded_tool_calls.remove(&tool_call_id);
2685                                cx.notify();
2686                            }
2687                        })),
2688                )
2689            })
2690            .into_any_element()
2691    }
2692
2693    fn render_resource_link(
2694        &self,
2695        resource_link: &acp::ResourceLink,
2696        cx: &Context<Self>,
2697    ) -> AnyElement {
2698        let uri: SharedString = resource_link.uri.clone().into();
2699        let is_file = resource_link.uri.strip_prefix("file://");
2700
2701        let label: SharedString = if let Some(abs_path) = is_file {
2702            if let Some(project_path) = self
2703                .project
2704                .read(cx)
2705                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2706                && let Some(worktree) = self
2707                    .project
2708                    .read(cx)
2709                    .worktree_for_id(project_path.worktree_id, cx)
2710            {
2711                worktree
2712                    .read(cx)
2713                    .full_path(&project_path.path)
2714                    .to_string_lossy()
2715                    .to_string()
2716                    .into()
2717            } else {
2718                abs_path.to_string().into()
2719            }
2720        } else {
2721            uri.clone()
2722        };
2723
2724        let button_id = SharedString::from(format!("item-{}", uri));
2725
2726        div()
2727            .ml(rems(0.4))
2728            .pl_2p5()
2729            .border_l_1()
2730            .border_color(self.tool_card_border_color(cx))
2731            .overflow_hidden()
2732            .child(
2733                Button::new(button_id, label)
2734                    .label_size(LabelSize::Small)
2735                    .color(Color::Muted)
2736                    .truncate(true)
2737                    .when(is_file.is_none(), |this| {
2738                        this.icon(IconName::ArrowUpRight)
2739                            .icon_size(IconSize::XSmall)
2740                            .icon_color(Color::Muted)
2741                    })
2742                    .on_click(cx.listener({
2743                        let workspace = self.workspace.clone();
2744                        move |_, _, window, cx: &mut Context<Self>| {
2745                            Self::open_link(uri.clone(), &workspace, window, cx);
2746                        }
2747                    })),
2748            )
2749            .into_any_element()
2750    }
2751
2752    fn render_permission_buttons(
2753        &self,
2754        kind: acp::ToolKind,
2755        options: &[acp::PermissionOption],
2756        entry_ix: usize,
2757        tool_call_id: acp::ToolCallId,
2758        cx: &Context<Self>,
2759    ) -> Div {
2760        let is_first = self.thread().is_some_and(|thread| {
2761            thread
2762                .read(cx)
2763                .first_tool_awaiting_confirmation()
2764                .is_some_and(|call| call.id == tool_call_id)
2765        });
2766        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2767
2768        div()
2769            .p_1()
2770            .border_t_1()
2771            .border_color(self.tool_card_border_color(cx))
2772            .w_full()
2773            .map(|this| {
2774                if kind == acp::ToolKind::SwitchMode {
2775                    this.v_flex()
2776                } else {
2777                    this.h_flex().justify_end().flex_wrap()
2778                }
2779            })
2780            .gap_0p5()
2781            .children(options.iter().map(move |option| {
2782                let option_id = SharedString::from(option.id.0.clone());
2783                Button::new((option_id, entry_ix), option.name.clone())
2784                    .map(|this| {
2785                        let (this, action) = match option.kind {
2786                            acp::PermissionOptionKind::AllowOnce => (
2787                                this.icon(IconName::Check).icon_color(Color::Success),
2788                                Some(&AllowOnce as &dyn Action),
2789                            ),
2790                            acp::PermissionOptionKind::AllowAlways => (
2791                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2792                                Some(&AllowAlways as &dyn Action),
2793                            ),
2794                            acp::PermissionOptionKind::RejectOnce => (
2795                                this.icon(IconName::Close).icon_color(Color::Error),
2796                                Some(&RejectOnce as &dyn Action),
2797                            ),
2798                            acp::PermissionOptionKind::RejectAlways => {
2799                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2800                            }
2801                        };
2802
2803                        let Some(action) = action else {
2804                            return this;
2805                        };
2806
2807                        if !is_first || seen_kinds.contains(&option.kind) {
2808                            return this;
2809                        }
2810
2811                        seen_kinds.push(option.kind);
2812
2813                        this.key_binding(
2814                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2815                                .map(|kb| kb.size(rems_from_px(10.))),
2816                        )
2817                    })
2818                    .icon_position(IconPosition::Start)
2819                    .icon_size(IconSize::XSmall)
2820                    .label_size(LabelSize::Small)
2821                    .on_click(cx.listener({
2822                        let tool_call_id = tool_call_id.clone();
2823                        let option_id = option.id.clone();
2824                        let option_kind = option.kind;
2825                        move |this, _, window, cx| {
2826                            this.authorize_tool_call(
2827                                tool_call_id.clone(),
2828                                option_id.clone(),
2829                                option_kind,
2830                                window,
2831                                cx,
2832                            );
2833                        }
2834                    }))
2835            }))
2836    }
2837
2838    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2839        let bar = |n: u64, width_class: &str| {
2840            let bg_color = cx.theme().colors().element_active;
2841            let base = h_flex().h_1().rounded_full();
2842
2843            let modified = match width_class {
2844                "w_4_5" => base.w_3_4(),
2845                "w_1_4" => base.w_1_4(),
2846                "w_2_4" => base.w_2_4(),
2847                "w_3_5" => base.w_3_5(),
2848                "w_2_5" => base.w_2_5(),
2849                _ => base.w_1_2(),
2850            };
2851
2852            modified.with_animation(
2853                ElementId::Integer(n),
2854                Animation::new(Duration::from_secs(2)).repeat(),
2855                move |tab, delta| {
2856                    let delta = (delta - 0.15 * n as f32) / 0.7;
2857                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2858                    let delta = ease_in_out(delta.clamp(0., 1.));
2859                    let delta = 0.1 + 0.9 * delta;
2860
2861                    tab.bg(bg_color.opacity(delta))
2862                },
2863            )
2864        };
2865
2866        v_flex()
2867            .p_3()
2868            .gap_1()
2869            .rounded_b_md()
2870            .bg(cx.theme().colors().editor_background)
2871            .child(bar(0, "w_4_5"))
2872            .child(bar(1, "w_1_4"))
2873            .child(bar(2, "w_2_4"))
2874            .child(bar(3, "w_3_5"))
2875            .child(bar(4, "w_2_5"))
2876            .into_any_element()
2877    }
2878
2879    fn render_diff_editor(
2880        &self,
2881        entry_ix: usize,
2882        diff: &Entity<acp_thread::Diff>,
2883        tool_call: &ToolCall,
2884        cx: &Context<Self>,
2885    ) -> AnyElement {
2886        let tool_progress = matches!(
2887            &tool_call.status,
2888            ToolCallStatus::InProgress | ToolCallStatus::Pending
2889        );
2890
2891        v_flex()
2892            .h_full()
2893            .border_t_1()
2894            .border_color(self.tool_card_border_color(cx))
2895            .child(
2896                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2897                    && let Some(editor) = entry.editor_for_diff(diff)
2898                    && diff.read(cx).has_revealed_range(cx)
2899                {
2900                    editor.into_any_element()
2901                } else if tool_progress && self.as_native_connection(cx).is_some() {
2902                    self.render_diff_loading(cx)
2903                } else {
2904                    Empty.into_any()
2905                },
2906            )
2907            .into_any()
2908    }
2909
2910    fn render_terminal_tool_call(
2911        &self,
2912        entry_ix: usize,
2913        terminal: &Entity<acp_thread::Terminal>,
2914        tool_call: &ToolCall,
2915        window: &Window,
2916        cx: &Context<Self>,
2917    ) -> AnyElement {
2918        let terminal_data = terminal.read(cx);
2919        let working_dir = terminal_data.working_dir();
2920        let command = terminal_data.command();
2921        let started_at = terminal_data.started_at();
2922
2923        let tool_failed = matches!(
2924            &tool_call.status,
2925            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2926        );
2927
2928        let output = terminal_data.output();
2929        let command_finished = output.is_some();
2930        let truncated_output =
2931            output.is_some_and(|output| output.original_content_len > output.content.len());
2932        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2933
2934        let command_failed = command_finished
2935            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2936
2937        let time_elapsed = if let Some(output) = output {
2938            output.ended_at.duration_since(started_at)
2939        } else {
2940            started_at.elapsed()
2941        };
2942
2943        let header_id =
2944            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2945        let header_group = SharedString::from(format!(
2946            "terminal-tool-header-group-{}",
2947            terminal.entity_id()
2948        ));
2949        let header_bg = cx
2950            .theme()
2951            .colors()
2952            .element_background
2953            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2954        let border_color = cx.theme().colors().border.opacity(0.6);
2955
2956        let working_dir = working_dir
2957            .as_ref()
2958            .map(|path| path.display().to_string())
2959            .unwrap_or_else(|| "current directory".to_string());
2960
2961        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2962
2963        let header = h_flex()
2964            .id(header_id)
2965            .flex_none()
2966            .gap_1()
2967            .justify_between()
2968            .rounded_t_md()
2969            .child(
2970                div()
2971                    .id(("command-target-path", terminal.entity_id()))
2972                    .w_full()
2973                    .max_w_full()
2974                    .overflow_x_scroll()
2975                    .child(
2976                        Label::new(working_dir)
2977                            .buffer_font(cx)
2978                            .size(LabelSize::XSmall)
2979                            .color(Color::Muted),
2980                    ),
2981            )
2982            .when(!command_finished, |header| {
2983                header
2984                    .gap_1p5()
2985                    .child(
2986                        Button::new(
2987                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2988                            "Stop",
2989                        )
2990                        .icon(IconName::Stop)
2991                        .icon_position(IconPosition::Start)
2992                        .icon_size(IconSize::Small)
2993                        .icon_color(Color::Error)
2994                        .label_size(LabelSize::Small)
2995                        .tooltip(move |_window, cx| {
2996                            Tooltip::with_meta(
2997                                "Stop This Command",
2998                                None,
2999                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3000                                cx,
3001                            )
3002                        })
3003                        .on_click({
3004                            let terminal = terminal.clone();
3005                            cx.listener(move |_this, _event, _window, cx| {
3006                                let inner_terminal = terminal.read(cx).inner().clone();
3007                                inner_terminal.update(cx, |inner_terminal, _cx| {
3008                                    inner_terminal.kill_active_task();
3009                                });
3010                            })
3011                        }),
3012                    )
3013                    .child(Divider::vertical())
3014                    .child(
3015                        Icon::new(IconName::ArrowCircle)
3016                            .size(IconSize::XSmall)
3017                            .color(Color::Info)
3018                            .with_rotate_animation(2)
3019                    )
3020            })
3021            .when(truncated_output, |header| {
3022                let tooltip = if let Some(output) = output {
3023                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3024                       format!("Output exceeded terminal max lines and was \
3025                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3026                    } else {
3027                        format!(
3028                            "Output is {} long, and to avoid unexpected token usage, \
3029                                only {} was sent back to the agent.",
3030                            format_file_size(output.original_content_len as u64, true),
3031                             format_file_size(output.content.len() as u64, true)
3032                        )
3033                    }
3034                } else {
3035                    "Output was truncated".to_string()
3036                };
3037
3038                header.child(
3039                    h_flex()
3040                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3041                        .gap_1()
3042                        .child(
3043                            Icon::new(IconName::Info)
3044                                .size(IconSize::XSmall)
3045                                .color(Color::Ignored),
3046                        )
3047                        .child(
3048                            Label::new("Truncated")
3049                                .color(Color::Muted)
3050                                .size(LabelSize::XSmall),
3051                        )
3052                        .tooltip(Tooltip::text(tooltip)),
3053                )
3054            })
3055            .when(time_elapsed > Duration::from_secs(10), |header| {
3056                header.child(
3057                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3058                        .buffer_font(cx)
3059                        .color(Color::Muted)
3060                        .size(LabelSize::XSmall),
3061                )
3062            })
3063            .when(tool_failed || command_failed, |header| {
3064                header.child(
3065                    div()
3066                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3067                        .child(
3068                            Icon::new(IconName::Close)
3069                                .size(IconSize::Small)
3070                                .color(Color::Error),
3071                        )
3072                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3073                            this.tooltip(Tooltip::text(format!(
3074                                "Exited with code {}",
3075                                status.code().unwrap_or(-1),
3076                            )))
3077                        }),
3078                )
3079            })
3080            .child(
3081                Disclosure::new(
3082                    SharedString::from(format!(
3083                        "terminal-tool-disclosure-{}",
3084                        terminal.entity_id()
3085                    )),
3086                    is_expanded,
3087                )
3088                .opened_icon(IconName::ChevronUp)
3089                .closed_icon(IconName::ChevronDown)
3090                .visible_on_hover(&header_group)
3091                .on_click(cx.listener({
3092                    let id = tool_call.id.clone();
3093                    move |this, _event, _window, _cx| {
3094                        if is_expanded {
3095                            this.expanded_tool_calls.remove(&id);
3096                        } else {
3097                            this.expanded_tool_calls.insert(id.clone());
3098                        }
3099                    }
3100                })),
3101            );
3102
3103        let terminal_view = self
3104            .entry_view_state
3105            .read(cx)
3106            .entry(entry_ix)
3107            .and_then(|entry| entry.terminal(terminal));
3108        let show_output = is_expanded && terminal_view.is_some();
3109
3110        v_flex()
3111            .my_1p5()
3112            .mx_5()
3113            .border_1()
3114            .when(tool_failed || command_failed, |card| card.border_dashed())
3115            .border_color(border_color)
3116            .rounded_md()
3117            .overflow_hidden()
3118            .child(
3119                v_flex()
3120                    .group(&header_group)
3121                    .py_1p5()
3122                    .pr_1p5()
3123                    .pl_2()
3124                    .gap_0p5()
3125                    .bg(header_bg)
3126                    .text_xs()
3127                    .child(header)
3128                    .child(
3129                        MarkdownElement::new(
3130                            command.clone(),
3131                            terminal_command_markdown_style(window, cx),
3132                        )
3133                        .code_block_renderer(
3134                            markdown::CodeBlockRenderer::Default {
3135                                copy_button: false,
3136                                copy_button_on_hover: true,
3137                                border: false,
3138                            },
3139                        ),
3140                    ),
3141            )
3142            .when(show_output, |this| {
3143                this.child(
3144                    div()
3145                        .pt_2()
3146                        .border_t_1()
3147                        .when(tool_failed || command_failed, |card| card.border_dashed())
3148                        .border_color(border_color)
3149                        .bg(cx.theme().colors().editor_background)
3150                        .rounded_b_md()
3151                        .text_ui_sm(cx)
3152                        .h_full()
3153                        .children(terminal_view.map(|terminal_view| {
3154                            let element = if terminal_view
3155                                .read(cx)
3156                                .content_mode(window, cx)
3157                                .is_scrollable()
3158                            {
3159                                div().h_72().child(terminal_view).into_any_element()
3160                            } else {
3161                                terminal_view.into_any_element()
3162                            };
3163
3164                            div()
3165                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3166                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3167                                    cx.stop_propagation();
3168                                }))
3169                                .child(element)
3170                                .into_any_element()
3171                        })),
3172                )
3173            })
3174            .into_any()
3175    }
3176
3177    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3178        let project_context = self
3179            .as_native_thread(cx)?
3180            .read(cx)
3181            .project_context()
3182            .read(cx);
3183
3184        let user_rules_text = if project_context.user_rules.is_empty() {
3185            None
3186        } else if project_context.user_rules.len() == 1 {
3187            let user_rules = &project_context.user_rules[0];
3188
3189            match user_rules.title.as_ref() {
3190                Some(title) => Some(format!("Using \"{title}\" user rule")),
3191                None => Some("Using user rule".into()),
3192            }
3193        } else {
3194            Some(format!(
3195                "Using {} user rules",
3196                project_context.user_rules.len()
3197            ))
3198        };
3199
3200        let first_user_rules_id = project_context
3201            .user_rules
3202            .first()
3203            .map(|user_rules| user_rules.uuid.0);
3204
3205        let rules_files = project_context
3206            .worktrees
3207            .iter()
3208            .filter_map(|worktree| worktree.rules_file.as_ref())
3209            .collect::<Vec<_>>();
3210
3211        let rules_file_text = match rules_files.as_slice() {
3212            &[] => None,
3213            &[rules_file] => Some(format!(
3214                "Using project {:?} file",
3215                rules_file.path_in_worktree
3216            )),
3217            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3218        };
3219
3220        if user_rules_text.is_none() && rules_file_text.is_none() {
3221            return None;
3222        }
3223
3224        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3225
3226        Some(
3227            h_flex()
3228                .px_2p5()
3229                .child(
3230                    Icon::new(IconName::Attach)
3231                        .size(IconSize::XSmall)
3232                        .color(Color::Disabled),
3233                )
3234                .when_some(user_rules_text, |parent, user_rules_text| {
3235                    parent.child(
3236                        h_flex()
3237                            .id("user-rules")
3238                            .ml_1()
3239                            .mr_1p5()
3240                            .child(
3241                                Label::new(user_rules_text)
3242                                    .size(LabelSize::XSmall)
3243                                    .color(Color::Muted)
3244                                    .truncate(),
3245                            )
3246                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3247                            .tooltip(Tooltip::text("View User Rules"))
3248                            .on_click(move |_event, window, cx| {
3249                                window.dispatch_action(
3250                                    Box::new(OpenRulesLibrary {
3251                                        prompt_to_select: first_user_rules_id,
3252                                    }),
3253                                    cx,
3254                                )
3255                            }),
3256                    )
3257                })
3258                .when(has_both, |this| {
3259                    this.child(
3260                        Label::new("")
3261                            .size(LabelSize::XSmall)
3262                            .color(Color::Disabled),
3263                    )
3264                })
3265                .when_some(rules_file_text, |parent, rules_file_text| {
3266                    parent.child(
3267                        h_flex()
3268                            .id("project-rules")
3269                            .ml_1p5()
3270                            .child(
3271                                Label::new(rules_file_text)
3272                                    .size(LabelSize::XSmall)
3273                                    .color(Color::Muted),
3274                            )
3275                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3276                            .tooltip(Tooltip::text("View Project Rules"))
3277                            .on_click(cx.listener(Self::handle_open_rules)),
3278                    )
3279                })
3280                .into_any(),
3281        )
3282    }
3283
3284    fn render_empty_state_section_header(
3285        &self,
3286        label: impl Into<SharedString>,
3287        action_slot: Option<AnyElement>,
3288        cx: &mut Context<Self>,
3289    ) -> impl IntoElement {
3290        div().pl_1().pr_1p5().child(
3291            h_flex()
3292                .mt_2()
3293                .pl_1p5()
3294                .pb_1()
3295                .w_full()
3296                .justify_between()
3297                .border_b_1()
3298                .border_color(cx.theme().colors().border_variant)
3299                .child(
3300                    Label::new(label.into())
3301                        .size(LabelSize::Small)
3302                        .color(Color::Muted),
3303                )
3304                .children(action_slot),
3305        )
3306    }
3307
3308    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3309        let render_history = self
3310            .agent
3311            .clone()
3312            .downcast::<agent::NativeAgentServer>()
3313            .is_some()
3314            && self
3315                .history_store
3316                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3317
3318        v_flex()
3319            .size_full()
3320            .when(render_history, |this| {
3321                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3322                    history_store.entries().take(3).collect()
3323                });
3324                this.justify_end().child(
3325                    v_flex()
3326                        .child(
3327                            self.render_empty_state_section_header(
3328                                "Recent",
3329                                Some(
3330                                    Button::new("view-history", "View All")
3331                                        .style(ButtonStyle::Subtle)
3332                                        .label_size(LabelSize::Small)
3333                                        .key_binding(
3334                                            KeyBinding::for_action_in(
3335                                                &OpenHistory,
3336                                                &self.focus_handle(cx),
3337                                                cx,
3338                                            )
3339                                            .map(|kb| kb.size(rems_from_px(12.))),
3340                                        )
3341                                        .on_click(move |_event, window, cx| {
3342                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3343                                        })
3344                                        .into_any_element(),
3345                                ),
3346                                cx,
3347                            ),
3348                        )
3349                        .child(
3350                            v_flex().p_1().pr_1p5().gap_1().children(
3351                                recent_history
3352                                    .into_iter()
3353                                    .enumerate()
3354                                    .map(|(index, entry)| {
3355                                        // TODO: Add keyboard navigation.
3356                                        let is_hovered =
3357                                            self.hovered_recent_history_item == Some(index);
3358                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3359                                            entry,
3360                                            cx.entity().downgrade(),
3361                                        )
3362                                        .hovered(is_hovered)
3363                                        .on_hover(cx.listener(
3364                                            move |this, is_hovered, _window, cx| {
3365                                                if *is_hovered {
3366                                                    this.hovered_recent_history_item = Some(index);
3367                                                } else if this.hovered_recent_history_item
3368                                                    == Some(index)
3369                                                {
3370                                                    this.hovered_recent_history_item = None;
3371                                                }
3372                                                cx.notify();
3373                                            },
3374                                        ))
3375                                        .into_any_element()
3376                                    }),
3377                            ),
3378                        ),
3379                )
3380            })
3381            .into_any()
3382    }
3383
3384    fn render_auth_required_state(
3385        &self,
3386        connection: &Rc<dyn AgentConnection>,
3387        description: Option<&Entity<Markdown>>,
3388        configuration_view: Option<&AnyView>,
3389        pending_auth_method: Option<&acp::AuthMethodId>,
3390        window: &mut Window,
3391        cx: &Context<Self>,
3392    ) -> Div {
3393        let show_description =
3394            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3395
3396        let auth_methods = connection.auth_methods();
3397
3398        v_flex().flex_1().size_full().justify_end().child(
3399            v_flex()
3400                .p_2()
3401                .pr_3()
3402                .w_full()
3403                .gap_1()
3404                .border_t_1()
3405                .border_color(cx.theme().colors().border)
3406                .bg(cx.theme().status().warning.opacity(0.04))
3407                .child(
3408                    h_flex()
3409                        .gap_1p5()
3410                        .child(
3411                            Icon::new(IconName::Warning)
3412                                .color(Color::Warning)
3413                                .size(IconSize::Small),
3414                        )
3415                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3416                )
3417                .children(description.map(|desc| {
3418                    div().text_ui(cx).child(self.render_markdown(
3419                        desc.clone(),
3420                        default_markdown_style(false, false, window, cx),
3421                    ))
3422                }))
3423                .children(
3424                    configuration_view
3425                        .cloned()
3426                        .map(|view| div().w_full().child(view)),
3427                )
3428                .when(show_description, |el| {
3429                    el.child(
3430                        Label::new(format!(
3431                            "You are not currently authenticated with {}.{}",
3432                            self.agent.name(),
3433                            if auth_methods.len() > 1 {
3434                                " Please choose one of the following options:"
3435                            } else {
3436                                ""
3437                            }
3438                        ))
3439                        .size(LabelSize::Small)
3440                        .color(Color::Muted)
3441                        .mb_1()
3442                        .ml_5(),
3443                    )
3444                })
3445                .when_some(pending_auth_method, |el, _| {
3446                    el.child(
3447                        h_flex()
3448                            .py_4()
3449                            .w_full()
3450                            .justify_center()
3451                            .gap_1()
3452                            .child(
3453                                Icon::new(IconName::ArrowCircle)
3454                                    .size(IconSize::Small)
3455                                    .color(Color::Muted)
3456                                    .with_rotate_animation(2),
3457                            )
3458                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3459                    )
3460                })
3461                .when(!auth_methods.is_empty(), |this| {
3462                    this.child(
3463                        h_flex()
3464                            .justify_end()
3465                            .flex_wrap()
3466                            .gap_1()
3467                            .when(!show_description, |this| {
3468                                this.border_t_1()
3469                                    .mt_1()
3470                                    .pt_2()
3471                                    .border_color(cx.theme().colors().border.opacity(0.8))
3472                            })
3473                            .children(connection.auth_methods().iter().enumerate().rev().map(
3474                                |(ix, method)| {
3475                                    let (method_id, name) = if self
3476                                        .project
3477                                        .read(cx)
3478                                        .is_via_remote_server()
3479                                        && method.id.0.as_ref() == "oauth-personal"
3480                                        && method.name == "Log in with Google"
3481                                    {
3482                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3483                                    } else {
3484                                        (method.id.0.clone(), method.name.clone())
3485                                    };
3486
3487                                    Button::new(SharedString::from(method_id.clone()), name)
3488                                        .label_size(LabelSize::Small)
3489                                        .map(|this| {
3490                                            if ix == 0 {
3491                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3492                                            } else {
3493                                                this.style(ButtonStyle::Outlined)
3494                                            }
3495                                        })
3496                                        .when_some(
3497                                            method.description.clone(),
3498                                            |this, description| {
3499                                                this.tooltip(Tooltip::text(description))
3500                                            },
3501                                        )
3502                                        .on_click({
3503                                            cx.listener(move |this, _, window, cx| {
3504                                                telemetry::event!(
3505                                                    "Authenticate Agent Started",
3506                                                    agent = this.agent.telemetry_id(),
3507                                                    method = method_id
3508                                                );
3509
3510                                                this.authenticate(
3511                                                    acp::AuthMethodId(method_id.clone()),
3512                                                    window,
3513                                                    cx,
3514                                                )
3515                                            })
3516                                        })
3517                                },
3518                            )),
3519                    )
3520                }),
3521        )
3522    }
3523
3524    fn render_load_error(
3525        &self,
3526        e: &LoadError,
3527        window: &mut Window,
3528        cx: &mut Context<Self>,
3529    ) -> AnyElement {
3530        let (title, message, action_slot): (_, SharedString, _) = match e {
3531            LoadError::Unsupported {
3532                command: path,
3533                current_version,
3534                minimum_version,
3535            } => {
3536                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3537            }
3538            LoadError::FailedToInstall(msg) => (
3539                "Failed to Install",
3540                msg.into(),
3541                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3542            ),
3543            LoadError::Exited { status } => (
3544                "Failed to Launch",
3545                format!("Server exited with status {status}").into(),
3546                None,
3547            ),
3548            LoadError::Other(msg) => (
3549                "Failed to Launch",
3550                msg.into(),
3551                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3552            ),
3553        };
3554
3555        Callout::new()
3556            .severity(Severity::Error)
3557            .icon(IconName::XCircleFilled)
3558            .title(title)
3559            .description(message)
3560            .actions_slot(div().children(action_slot))
3561            .into_any_element()
3562    }
3563
3564    fn render_unsupported(
3565        &self,
3566        path: &SharedString,
3567        version: &SharedString,
3568        minimum_version: &SharedString,
3569        _window: &mut Window,
3570        cx: &mut Context<Self>,
3571    ) -> AnyElement {
3572        let (heading_label, description_label) = (
3573            format!("Upgrade {} to work with Zed", self.agent.name()),
3574            if version.is_empty() {
3575                format!(
3576                    "Currently using {}, which does not report a valid --version",
3577                    path,
3578                )
3579            } else {
3580                format!(
3581                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3582                    path, version
3583                )
3584            },
3585        );
3586
3587        v_flex()
3588            .w_full()
3589            .p_3p5()
3590            .gap_2p5()
3591            .border_t_1()
3592            .border_color(cx.theme().colors().border)
3593            .bg(linear_gradient(
3594                180.,
3595                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3596                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3597            ))
3598            .child(
3599                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3600                    Label::new(description_label)
3601                        .size(LabelSize::Small)
3602                        .color(Color::Muted),
3603                ),
3604            )
3605            .into_any_element()
3606    }
3607
3608    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3609        let editor_bg_color = cx.theme().colors().editor_background;
3610        let active_color = cx.theme().colors().element_selected;
3611        editor_bg_color.blend(active_color.opacity(0.3))
3612    }
3613
3614    fn render_activity_bar(
3615        &self,
3616        thread_entity: &Entity<AcpThread>,
3617        window: &mut Window,
3618        cx: &Context<Self>,
3619    ) -> Option<AnyElement> {
3620        let thread = thread_entity.read(cx);
3621        let action_log = thread.action_log();
3622        let telemetry = ActionLogTelemetry::from(thread);
3623        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3624        let plan = thread.plan();
3625
3626        if changed_buffers.is_empty() && plan.is_empty() {
3627            return None;
3628        }
3629
3630        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3631        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3632        // be, which blocks you from being able to accept or reject edits. This switches the
3633        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3634        // block you from using the panel.
3635        let pending_edits = false;
3636
3637        v_flex()
3638            .mt_1()
3639            .mx_2()
3640            .bg(self.activity_bar_bg(cx))
3641            .border_1()
3642            .border_b_0()
3643            .border_color(cx.theme().colors().border)
3644            .rounded_t_md()
3645            .shadow(vec![gpui::BoxShadow {
3646                color: gpui::black().opacity(0.15),
3647                offset: point(px(1.), px(-1.)),
3648                blur_radius: px(3.),
3649                spread_radius: px(0.),
3650            }])
3651            .when(!plan.is_empty(), |this| {
3652                this.child(self.render_plan_summary(plan, window, cx))
3653                    .when(self.plan_expanded, |parent| {
3654                        parent.child(self.render_plan_entries(plan, window, cx))
3655                    })
3656            })
3657            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3658                this.child(Divider::horizontal().color(DividerColor::Border))
3659            })
3660            .when(!changed_buffers.is_empty(), |this| {
3661                this.child(self.render_edits_summary(
3662                    &changed_buffers,
3663                    self.edits_expanded,
3664                    pending_edits,
3665                    cx,
3666                ))
3667                .when(self.edits_expanded, |parent| {
3668                    parent.child(self.render_edited_files(
3669                        action_log,
3670                        telemetry,
3671                        &changed_buffers,
3672                        pending_edits,
3673                        cx,
3674                    ))
3675                })
3676            })
3677            .into_any()
3678            .into()
3679    }
3680
3681    fn render_plan_summary(
3682        &self,
3683        plan: &Plan,
3684        window: &mut Window,
3685        cx: &Context<Self>,
3686    ) -> impl IntoElement {
3687        let stats = plan.stats();
3688
3689        let title = if let Some(entry) = stats.in_progress_entry
3690            && !self.plan_expanded
3691        {
3692            h_flex()
3693                .cursor_default()
3694                .relative()
3695                .w_full()
3696                .gap_1()
3697                .truncate()
3698                .child(
3699                    Label::new("Current:")
3700                        .size(LabelSize::Small)
3701                        .color(Color::Muted),
3702                )
3703                .child(
3704                    div()
3705                        .text_xs()
3706                        .text_color(cx.theme().colors().text_muted)
3707                        .line_clamp(1)
3708                        .child(MarkdownElement::new(
3709                            entry.content.clone(),
3710                            plan_label_markdown_style(&entry.status, window, cx),
3711                        )),
3712                )
3713                .when(stats.pending > 0, |this| {
3714                    this.child(
3715                        h_flex()
3716                            .absolute()
3717                            .top_0()
3718                            .right_0()
3719                            .h_full()
3720                            .child(div().min_w_8().h_full().bg(linear_gradient(
3721                                90.,
3722                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3723                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3724                            )))
3725                            .child(
3726                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3727                                    Label::new(format!("{} left", stats.pending))
3728                                        .size(LabelSize::Small)
3729                                        .color(Color::Muted),
3730                                ),
3731                            ),
3732                    )
3733                })
3734        } else {
3735            let status_label = if stats.pending == 0 {
3736                "All Done".to_string()
3737            } else if stats.completed == 0 {
3738                format!("{} Tasks", plan.entries.len())
3739            } else {
3740                format!("{}/{}", stats.completed, plan.entries.len())
3741            };
3742
3743            h_flex()
3744                .w_full()
3745                .gap_1()
3746                .justify_between()
3747                .child(
3748                    Label::new("Plan")
3749                        .size(LabelSize::Small)
3750                        .color(Color::Muted),
3751                )
3752                .child(
3753                    Label::new(status_label)
3754                        .size(LabelSize::Small)
3755                        .color(Color::Muted)
3756                        .mr_1(),
3757                )
3758        };
3759
3760        h_flex()
3761            .id("plan_summary")
3762            .p_1()
3763            .w_full()
3764            .gap_1()
3765            .when(self.plan_expanded, |this| {
3766                this.border_b_1().border_color(cx.theme().colors().border)
3767            })
3768            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3769            .child(title)
3770            .on_click(cx.listener(|this, _, _, cx| {
3771                this.plan_expanded = !this.plan_expanded;
3772                cx.notify();
3773            }))
3774    }
3775
3776    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3777        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3778            let element = h_flex()
3779                .py_1()
3780                .px_2()
3781                .gap_2()
3782                .justify_between()
3783                .bg(cx.theme().colors().editor_background)
3784                .when(index < plan.entries.len() - 1, |parent| {
3785                    parent.border_color(cx.theme().colors().border).border_b_1()
3786                })
3787                .child(
3788                    h_flex()
3789                        .id(("plan_entry", index))
3790                        .gap_1p5()
3791                        .max_w_full()
3792                        .overflow_x_scroll()
3793                        .text_xs()
3794                        .text_color(cx.theme().colors().text_muted)
3795                        .child(match entry.status {
3796                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3797                                .size(IconSize::Small)
3798                                .color(Color::Muted)
3799                                .into_any_element(),
3800                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3801                                .size(IconSize::Small)
3802                                .color(Color::Accent)
3803                                .with_rotate_animation(2)
3804                                .into_any_element(),
3805                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3806                                .size(IconSize::Small)
3807                                .color(Color::Success)
3808                                .into_any_element(),
3809                        })
3810                        .child(MarkdownElement::new(
3811                            entry.content.clone(),
3812                            plan_label_markdown_style(&entry.status, window, cx),
3813                        )),
3814                );
3815
3816            Some(element)
3817        }))
3818    }
3819
3820    fn render_edits_summary(
3821        &self,
3822        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3823        expanded: bool,
3824        pending_edits: bool,
3825        cx: &Context<Self>,
3826    ) -> Div {
3827        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3828
3829        let focus_handle = self.focus_handle(cx);
3830
3831        h_flex()
3832            .p_1()
3833            .justify_between()
3834            .flex_wrap()
3835            .when(expanded, |this| {
3836                this.border_b_1().border_color(cx.theme().colors().border)
3837            })
3838            .child(
3839                h_flex()
3840                    .id("edits-container")
3841                    .cursor_pointer()
3842                    .gap_1()
3843                    .child(Disclosure::new("edits-disclosure", expanded))
3844                    .map(|this| {
3845                        if pending_edits {
3846                            this.child(
3847                                Label::new(format!(
3848                                    "Editing {} {}",
3849                                    changed_buffers.len(),
3850                                    if changed_buffers.len() == 1 {
3851                                        "file"
3852                                    } else {
3853                                        "files"
3854                                    }
3855                                ))
3856                                .color(Color::Muted)
3857                                .size(LabelSize::Small)
3858                                .with_animation(
3859                                    "edit-label",
3860                                    Animation::new(Duration::from_secs(2))
3861                                        .repeat()
3862                                        .with_easing(pulsating_between(0.3, 0.7)),
3863                                    |label, delta| label.alpha(delta),
3864                                ),
3865                            )
3866                        } else {
3867                            this.child(
3868                                Label::new("Edits")
3869                                    .size(LabelSize::Small)
3870                                    .color(Color::Muted),
3871                            )
3872                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3873                            .child(
3874                                Label::new(format!(
3875                                    "{} {}",
3876                                    changed_buffers.len(),
3877                                    if changed_buffers.len() == 1 {
3878                                        "file"
3879                                    } else {
3880                                        "files"
3881                                    }
3882                                ))
3883                                .size(LabelSize::Small)
3884                                .color(Color::Muted),
3885                            )
3886                        }
3887                    })
3888                    .on_click(cx.listener(|this, _, _, cx| {
3889                        this.edits_expanded = !this.edits_expanded;
3890                        cx.notify();
3891                    })),
3892            )
3893            .child(
3894                h_flex()
3895                    .gap_1()
3896                    .child(
3897                        IconButton::new("review-changes", IconName::ListTodo)
3898                            .icon_size(IconSize::Small)
3899                            .tooltip({
3900                                let focus_handle = focus_handle.clone();
3901                                move |_window, cx| {
3902                                    Tooltip::for_action_in(
3903                                        "Review Changes",
3904                                        &OpenAgentDiff,
3905                                        &focus_handle,
3906                                        cx,
3907                                    )
3908                                }
3909                            })
3910                            .on_click(cx.listener(|_, _, window, cx| {
3911                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3912                            })),
3913                    )
3914                    .child(Divider::vertical().color(DividerColor::Border))
3915                    .child(
3916                        Button::new("reject-all-changes", "Reject All")
3917                            .label_size(LabelSize::Small)
3918                            .disabled(pending_edits)
3919                            .when(pending_edits, |this| {
3920                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3921                            })
3922                            .key_binding(
3923                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3924                                    .map(|kb| kb.size(rems_from_px(10.))),
3925                            )
3926                            .on_click(cx.listener(move |this, _, window, cx| {
3927                                this.reject_all(&RejectAll, window, cx);
3928                            })),
3929                    )
3930                    .child(
3931                        Button::new("keep-all-changes", "Keep All")
3932                            .label_size(LabelSize::Small)
3933                            .disabled(pending_edits)
3934                            .when(pending_edits, |this| {
3935                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3936                            })
3937                            .key_binding(
3938                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3939                                    .map(|kb| kb.size(rems_from_px(10.))),
3940                            )
3941                            .on_click(cx.listener(move |this, _, window, cx| {
3942                                this.keep_all(&KeepAll, window, cx);
3943                            })),
3944                    ),
3945            )
3946    }
3947
3948    fn render_edited_files(
3949        &self,
3950        action_log: &Entity<ActionLog>,
3951        telemetry: ActionLogTelemetry,
3952        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3953        pending_edits: bool,
3954        cx: &Context<Self>,
3955    ) -> Div {
3956        let editor_bg_color = cx.theme().colors().editor_background;
3957
3958        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3959            |(index, (buffer, _diff))| {
3960                let file = buffer.read(cx).file()?;
3961                let path = file.path();
3962                let path_style = file.path_style(cx);
3963                let separator = file.path_style(cx).separator();
3964
3965                let file_path = path.parent().and_then(|parent| {
3966                    if parent.is_empty() {
3967                        None
3968                    } else {
3969                        Some(
3970                            Label::new(format!("{}{separator}", parent.display(path_style)))
3971                                .color(Color::Muted)
3972                                .size(LabelSize::XSmall)
3973                                .buffer_font(cx),
3974                        )
3975                    }
3976                });
3977
3978                let file_name = path.file_name().map(|name| {
3979                    Label::new(name.to_string())
3980                        .size(LabelSize::XSmall)
3981                        .buffer_font(cx)
3982                        .ml_1p5()
3983                });
3984
3985                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3986                    .map(Icon::from_path)
3987                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3988                    .unwrap_or_else(|| {
3989                        Icon::new(IconName::File)
3990                            .color(Color::Muted)
3991                            .size(IconSize::Small)
3992                    });
3993
3994                let overlay_gradient = linear_gradient(
3995                    90.,
3996                    linear_color_stop(editor_bg_color, 1.),
3997                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3998                );
3999
4000                let element = h_flex()
4001                    .group("edited-code")
4002                    .id(("file-container", index))
4003                    .py_1()
4004                    .pl_2()
4005                    .pr_1()
4006                    .gap_2()
4007                    .justify_between()
4008                    .bg(editor_bg_color)
4009                    .when(index < changed_buffers.len() - 1, |parent| {
4010                        parent.border_color(cx.theme().colors().border).border_b_1()
4011                    })
4012                    .child(
4013                        h_flex()
4014                            .id(("file-name-row", index))
4015                            .relative()
4016                            .pr_8()
4017                            .w_full()
4018                            .overflow_x_scroll()
4019                            .child(
4020                                h_flex()
4021                                    .id(("file-name-path", index))
4022                                    .cursor_pointer()
4023                                    .pr_0p5()
4024                                    .gap_0p5()
4025                                    .hover(|s| s.bg(cx.theme().colors().element_hover))
4026                                    .rounded_xs()
4027                                    .child(file_icon)
4028                                    .children(file_name)
4029                                    .children(file_path)
4030                                    .tooltip(Tooltip::text("Go to File"))
4031                                    .on_click({
4032                                        let buffer = buffer.clone();
4033                                        cx.listener(move |this, _, window, cx| {
4034                                            this.open_edited_buffer(&buffer, window, cx);
4035                                        })
4036                                    }),
4037                            )
4038                            .child(
4039                                div()
4040                                    .absolute()
4041                                    .h_full()
4042                                    .w_12()
4043                                    .top_0()
4044                                    .bottom_0()
4045                                    .right_0()
4046                                    .bg(overlay_gradient),
4047                            ),
4048                    )
4049                    .child(
4050                        h_flex()
4051                            .gap_1()
4052                            .visible_on_hover("edited-code")
4053                            .child(
4054                                Button::new("review", "Review")
4055                                    .label_size(LabelSize::Small)
4056                                    .on_click({
4057                                        let buffer = buffer.clone();
4058                                        cx.listener(move |this, _, window, cx| {
4059                                            this.open_edited_buffer(&buffer, window, cx);
4060                                        })
4061                                    }),
4062                            )
4063                            .child(Divider::vertical().color(DividerColor::BorderVariant))
4064                            .child(
4065                                Button::new("reject-file", "Reject")
4066                                    .label_size(LabelSize::Small)
4067                                    .disabled(pending_edits)
4068                                    .on_click({
4069                                        let buffer = buffer.clone();
4070                                        let action_log = action_log.clone();
4071                                        let telemetry = telemetry.clone();
4072                                        move |_, _, cx| {
4073                                            action_log.update(cx, |action_log, cx| {
4074                                                action_log
4075                                                    .reject_edits_in_ranges(
4076                                                        buffer.clone(),
4077                                                        vec![Anchor::MIN..Anchor::MAX],
4078                                                        Some(telemetry.clone()),
4079                                                        cx,
4080                                                    )
4081                                                    .detach_and_log_err(cx);
4082                                            })
4083                                        }
4084                                    }),
4085                            )
4086                            .child(
4087                                Button::new("keep-file", "Keep")
4088                                    .label_size(LabelSize::Small)
4089                                    .disabled(pending_edits)
4090                                    .on_click({
4091                                        let buffer = buffer.clone();
4092                                        let action_log = action_log.clone();
4093                                        let telemetry = telemetry.clone();
4094                                        move |_, _, cx| {
4095                                            action_log.update(cx, |action_log, cx| {
4096                                                action_log.keep_edits_in_range(
4097                                                    buffer.clone(),
4098                                                    Anchor::MIN..Anchor::MAX,
4099                                                    Some(telemetry.clone()),
4100                                                    cx,
4101                                                );
4102                                            })
4103                                        }
4104                                    }),
4105                            ),
4106                    );
4107
4108                Some(element)
4109            },
4110        ))
4111    }
4112
4113    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4114        let focus_handle = self.message_editor.focus_handle(cx);
4115        let editor_bg_color = cx.theme().colors().editor_background;
4116        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4117            (IconName::Minimize, "Minimize Message Editor")
4118        } else {
4119            (IconName::Maximize, "Expand Message Editor")
4120        };
4121
4122        let backdrop = div()
4123            .size_full()
4124            .absolute()
4125            .inset_0()
4126            .bg(cx.theme().colors().panel_background)
4127            .opacity(0.8)
4128            .block_mouse_except_scroll();
4129
4130        let enable_editor = match self.thread_state {
4131            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
4132            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
4133        };
4134
4135        v_flex()
4136            .on_action(cx.listener(Self::expand_message_editor))
4137            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4138                if let Some(profile_selector) = this.profile_selector.as_ref() {
4139                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4140                } else if let Some(mode_selector) = this.mode_selector() {
4141                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4142                }
4143            }))
4144            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4145                if let Some(mode_selector) = this.mode_selector() {
4146                    mode_selector.update(cx, |mode_selector, cx| {
4147                        mode_selector.cycle_mode(window, cx);
4148                    });
4149                }
4150            }))
4151            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4152                if let Some(model_selector) = this.model_selector.as_ref() {
4153                    model_selector
4154                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4155                }
4156            }))
4157            .p_2()
4158            .gap_2()
4159            .border_t_1()
4160            .border_color(cx.theme().colors().border)
4161            .bg(editor_bg_color)
4162            .when(self.editor_expanded, |this| {
4163                this.h(vh(0.8, window)).size_full().justify_between()
4164            })
4165            .child(
4166                v_flex()
4167                    .relative()
4168                    .size_full()
4169                    .pt_1()
4170                    .pr_2p5()
4171                    .child(self.message_editor.clone())
4172                    .child(
4173                        h_flex()
4174                            .absolute()
4175                            .top_0()
4176                            .right_0()
4177                            .opacity(0.5)
4178                            .hover(|this| this.opacity(1.0))
4179                            .child(
4180                                IconButton::new("toggle-height", expand_icon)
4181                                    .icon_size(IconSize::Small)
4182                                    .icon_color(Color::Muted)
4183                                    .tooltip({
4184                                        move |_window, cx| {
4185                                            Tooltip::for_action_in(
4186                                                expand_tooltip,
4187                                                &ExpandMessageEditor,
4188                                                &focus_handle,
4189                                                cx,
4190                                            )
4191                                        }
4192                                    })
4193                                    .on_click(cx.listener(|this, _, window, cx| {
4194                                        this.expand_message_editor(
4195                                            &ExpandMessageEditor,
4196                                            window,
4197                                            cx,
4198                                        );
4199                                    })),
4200                            ),
4201                    ),
4202            )
4203            .child(
4204                h_flex()
4205                    .flex_none()
4206                    .flex_wrap()
4207                    .justify_between()
4208                    .child(
4209                        h_flex()
4210                            .gap_0p5()
4211                            .child(self.render_add_context_button(cx))
4212                            .child(self.render_follow_toggle(cx))
4213                            .children(self.render_burn_mode_toggle(cx)),
4214                    )
4215                    .child(
4216                        h_flex()
4217                            .gap_1()
4218                            .children(self.render_token_usage(cx))
4219                            .children(self.profile_selector.clone())
4220                            .children(self.mode_selector().cloned())
4221                            .children(self.model_selector.clone())
4222                            .child(self.render_send_button(cx)),
4223                    ),
4224            )
4225            .when(!enable_editor, |this| this.child(backdrop))
4226            .into_any()
4227    }
4228
4229    pub(crate) fn as_native_connection(
4230        &self,
4231        cx: &App,
4232    ) -> Option<Rc<agent::NativeAgentConnection>> {
4233        let acp_thread = self.thread()?.read(cx);
4234        acp_thread.connection().clone().downcast()
4235    }
4236
4237    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4238        let acp_thread = self.thread()?.read(cx);
4239        self.as_native_connection(cx)?
4240            .thread(acp_thread.session_id(), cx)
4241    }
4242
4243    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4244        self.as_native_thread(cx)
4245            .and_then(|thread| thread.read(cx).model())
4246            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4247    }
4248
4249    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4250        let thread = self.thread()?.read(cx);
4251        let usage = thread.token_usage()?;
4252        let is_generating = thread.status() != ThreadStatus::Idle;
4253
4254        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4255        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4256
4257        Some(
4258            h_flex()
4259                .flex_shrink_0()
4260                .gap_0p5()
4261                .mr_1p5()
4262                .child(
4263                    Label::new(used)
4264                        .size(LabelSize::Small)
4265                        .color(Color::Muted)
4266                        .map(|label| {
4267                            if is_generating {
4268                                label
4269                                    .with_animation(
4270                                        "used-tokens-label",
4271                                        Animation::new(Duration::from_secs(2))
4272                                            .repeat()
4273                                            .with_easing(pulsating_between(0.3, 0.8)),
4274                                        |label, delta| label.alpha(delta),
4275                                    )
4276                                    .into_any()
4277                            } else {
4278                                label.into_any_element()
4279                            }
4280                        }),
4281                )
4282                .child(
4283                    Label::new("/")
4284                        .size(LabelSize::Small)
4285                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4286                )
4287                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4288        )
4289    }
4290
4291    fn toggle_burn_mode(
4292        &mut self,
4293        _: &ToggleBurnMode,
4294        _window: &mut Window,
4295        cx: &mut Context<Self>,
4296    ) {
4297        let Some(thread) = self.as_native_thread(cx) else {
4298            return;
4299        };
4300
4301        thread.update(cx, |thread, cx| {
4302            let current_mode = thread.completion_mode();
4303            thread.set_completion_mode(
4304                match current_mode {
4305                    CompletionMode::Burn => CompletionMode::Normal,
4306                    CompletionMode::Normal => CompletionMode::Burn,
4307                },
4308                cx,
4309            );
4310        });
4311    }
4312
4313    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4314        let Some(thread) = self.thread() else {
4315            return;
4316        };
4317        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4318        let action_log = thread.read(cx).action_log().clone();
4319        action_log.update(cx, |action_log, cx| {
4320            action_log.keep_all_edits(Some(telemetry), cx)
4321        });
4322    }
4323
4324    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4325        let Some(thread) = self.thread() else {
4326            return;
4327        };
4328        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4329        let action_log = thread.read(cx).action_log().clone();
4330        action_log
4331            .update(cx, |action_log, cx| {
4332                action_log.reject_all_edits(Some(telemetry), cx)
4333            })
4334            .detach();
4335    }
4336
4337    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4338        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4339    }
4340
4341    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4342        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4343    }
4344
4345    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4346        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4347    }
4348
4349    fn authorize_pending_tool_call(
4350        &mut self,
4351        kind: acp::PermissionOptionKind,
4352        window: &mut Window,
4353        cx: &mut Context<Self>,
4354    ) -> Option<()> {
4355        let thread = self.thread()?.read(cx);
4356        let tool_call = thread.first_tool_awaiting_confirmation()?;
4357        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4358            return None;
4359        };
4360        let option = options.iter().find(|o| o.kind == kind)?;
4361
4362        self.authorize_tool_call(
4363            tool_call.id.clone(),
4364            option.id.clone(),
4365            option.kind,
4366            window,
4367            cx,
4368        );
4369
4370        Some(())
4371    }
4372
4373    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4374        let thread = self.as_native_thread(cx)?.read(cx);
4375
4376        if thread
4377            .model()
4378            .is_none_or(|model| !model.supports_burn_mode())
4379        {
4380            return None;
4381        }
4382
4383        let active_completion_mode = thread.completion_mode();
4384        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4385        let icon = if burn_mode_enabled {
4386            IconName::ZedBurnModeOn
4387        } else {
4388            IconName::ZedBurnMode
4389        };
4390
4391        Some(
4392            IconButton::new("burn-mode", icon)
4393                .icon_size(IconSize::Small)
4394                .icon_color(Color::Muted)
4395                .toggle_state(burn_mode_enabled)
4396                .selected_icon_color(Color::Error)
4397                .on_click(cx.listener(|this, _event, window, cx| {
4398                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4399                }))
4400                .tooltip(move |_window, cx| {
4401                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4402                        .into()
4403                })
4404                .into_any_element(),
4405        )
4406    }
4407
4408    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4409        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4410        let is_generating = self
4411            .thread()
4412            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4413
4414        if self.is_loading_contents {
4415            div()
4416                .id("loading-message-content")
4417                .px_1()
4418                .tooltip(Tooltip::text("Loading Added Context…"))
4419                .child(loading_contents_spinner(IconSize::default()))
4420                .into_any_element()
4421        } else if is_generating && is_editor_empty {
4422            IconButton::new("stop-generation", IconName::Stop)
4423                .icon_color(Color::Error)
4424                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4425                .tooltip(move |_window, cx| {
4426                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4427                })
4428                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4429                .into_any_element()
4430        } else {
4431            let send_btn_tooltip = if is_editor_empty && !is_generating {
4432                "Type to Send"
4433            } else if is_generating {
4434                "Stop and Send Message"
4435            } else {
4436                "Send"
4437            };
4438
4439            IconButton::new("send-message", IconName::Send)
4440                .style(ButtonStyle::Filled)
4441                .map(|this| {
4442                    if is_editor_empty && !is_generating {
4443                        this.disabled(true).icon_color(Color::Muted)
4444                    } else {
4445                        this.icon_color(Color::Accent)
4446                    }
4447                })
4448                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4449                .on_click(cx.listener(|this, _, window, cx| {
4450                    this.send(window, cx);
4451                }))
4452                .into_any_element()
4453        }
4454    }
4455
4456    fn is_following(&self, cx: &App) -> bool {
4457        match self.thread().map(|thread| thread.read(cx).status()) {
4458            Some(ThreadStatus::Generating) => self
4459                .workspace
4460                .read_with(cx, |workspace, _| {
4461                    workspace.is_being_followed(CollaboratorId::Agent)
4462                })
4463                .unwrap_or(false),
4464            _ => self.should_be_following,
4465        }
4466    }
4467
4468    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4469        let following = self.is_following(cx);
4470
4471        self.should_be_following = !following;
4472        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4473            self.workspace
4474                .update(cx, |workspace, cx| {
4475                    if following {
4476                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4477                    } else {
4478                        workspace.follow(CollaboratorId::Agent, window, cx);
4479                    }
4480                })
4481                .ok();
4482        }
4483
4484        telemetry::event!("Follow Agent Selected", following = !following);
4485    }
4486
4487    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4488        let following = self.is_following(cx);
4489
4490        let tooltip_label = if following {
4491            if self.agent.name() == "Zed Agent" {
4492                format!("Stop Following the {}", self.agent.name())
4493            } else {
4494                format!("Stop Following {}", self.agent.name())
4495            }
4496        } else {
4497            if self.agent.name() == "Zed Agent" {
4498                format!("Follow the {}", self.agent.name())
4499            } else {
4500                format!("Follow {}", self.agent.name())
4501            }
4502        };
4503
4504        IconButton::new("follow-agent", IconName::Crosshair)
4505            .icon_size(IconSize::Small)
4506            .icon_color(Color::Muted)
4507            .toggle_state(following)
4508            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4509            .tooltip(move |_window, cx| {
4510                if following {
4511                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4512                } else {
4513                    Tooltip::with_meta(
4514                        tooltip_label.clone(),
4515                        Some(&Follow),
4516                        "Track the agent's location as it reads and edits files.",
4517                        cx,
4518                    )
4519                }
4520            })
4521            .on_click(cx.listener(move |this, _, window, cx| {
4522                this.toggle_following(window, cx);
4523            }))
4524    }
4525
4526    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4527        let message_editor = self.message_editor.clone();
4528        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4529
4530        IconButton::new("add-context", IconName::AtSign)
4531            .icon_size(IconSize::Small)
4532            .icon_color(Color::Muted)
4533            .when(!menu_visible, |this| {
4534                this.tooltip(move |_window, cx| {
4535                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4536                })
4537            })
4538            .on_click(cx.listener(move |_this, _, window, cx| {
4539                let message_editor_clone = message_editor.clone();
4540
4541                window.defer(cx, move |window, cx| {
4542                    message_editor_clone.update(cx, |message_editor, cx| {
4543                        message_editor.trigger_completion_menu(window, cx);
4544                    });
4545                });
4546            }))
4547    }
4548
4549    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4550        let workspace = self.workspace.clone();
4551        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4552            Self::open_link(text, &workspace, window, cx);
4553        })
4554    }
4555
4556    fn open_link(
4557        url: SharedString,
4558        workspace: &WeakEntity<Workspace>,
4559        window: &mut Window,
4560        cx: &mut App,
4561    ) {
4562        let Some(workspace) = workspace.upgrade() else {
4563            cx.open_url(&url);
4564            return;
4565        };
4566
4567        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4568        {
4569            workspace.update(cx, |workspace, cx| match mention {
4570                MentionUri::File { abs_path } => {
4571                    let project = workspace.project();
4572                    let Some(path) =
4573                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4574                    else {
4575                        return;
4576                    };
4577
4578                    workspace
4579                        .open_path(path, None, true, window, cx)
4580                        .detach_and_log_err(cx);
4581                }
4582                MentionUri::PastedImage => {}
4583                MentionUri::Directory { abs_path } => {
4584                    let project = workspace.project();
4585                    let Some(entry_id) = project.update(cx, |project, cx| {
4586                        let path = project.find_project_path(abs_path, cx)?;
4587                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4588                    }) else {
4589                        return;
4590                    };
4591
4592                    project.update(cx, |_, cx| {
4593                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4594                    });
4595                }
4596                MentionUri::Symbol {
4597                    abs_path: path,
4598                    line_range,
4599                    ..
4600                }
4601                | MentionUri::Selection {
4602                    abs_path: Some(path),
4603                    line_range,
4604                } => {
4605                    let project = workspace.project();
4606                    let Some(path) =
4607                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4608                    else {
4609                        return;
4610                    };
4611
4612                    let item = workspace.open_path(path, None, true, window, cx);
4613                    window
4614                        .spawn(cx, async move |cx| {
4615                            let Some(editor) = item.await?.downcast::<Editor>() else {
4616                                return Ok(());
4617                            };
4618                            let range = Point::new(*line_range.start(), 0)
4619                                ..Point::new(*line_range.start(), 0);
4620                            editor
4621                                .update_in(cx, |editor, window, cx| {
4622                                    editor.change_selections(
4623                                        SelectionEffects::scroll(Autoscroll::center()),
4624                                        window,
4625                                        cx,
4626                                        |s| s.select_ranges(vec![range]),
4627                                    );
4628                                })
4629                                .ok();
4630                            anyhow::Ok(())
4631                        })
4632                        .detach_and_log_err(cx);
4633                }
4634                MentionUri::Selection { abs_path: None, .. } => {}
4635                MentionUri::Thread { id, name } => {
4636                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4637                        panel.update(cx, |panel, cx| {
4638                            panel.load_agent_thread(
4639                                DbThreadMetadata {
4640                                    id,
4641                                    title: name.into(),
4642                                    updated_at: Default::default(),
4643                                },
4644                                window,
4645                                cx,
4646                            )
4647                        });
4648                    }
4649                }
4650                MentionUri::TextThread { path, .. } => {
4651                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4652                        panel.update(cx, |panel, cx| {
4653                            panel
4654                                .open_saved_text_thread(path.as_path().into(), window, cx)
4655                                .detach_and_log_err(cx);
4656                        });
4657                    }
4658                }
4659                MentionUri::Rule { id, .. } => {
4660                    let PromptId::User { uuid } = id else {
4661                        return;
4662                    };
4663                    window.dispatch_action(
4664                        Box::new(OpenRulesLibrary {
4665                            prompt_to_select: Some(uuid.0),
4666                        }),
4667                        cx,
4668                    )
4669                }
4670                MentionUri::Fetch { url } => {
4671                    cx.open_url(url.as_str());
4672                }
4673            })
4674        } else {
4675            cx.open_url(&url);
4676        }
4677    }
4678
4679    fn open_tool_call_location(
4680        &self,
4681        entry_ix: usize,
4682        location_ix: usize,
4683        window: &mut Window,
4684        cx: &mut Context<Self>,
4685    ) -> Option<()> {
4686        let (tool_call_location, agent_location) = self
4687            .thread()?
4688            .read(cx)
4689            .entries()
4690            .get(entry_ix)?
4691            .location(location_ix)?;
4692
4693        let project_path = self
4694            .project
4695            .read(cx)
4696            .find_project_path(&tool_call_location.path, cx)?;
4697
4698        let open_task = self
4699            .workspace
4700            .update(cx, |workspace, cx| {
4701                workspace.open_path(project_path, None, true, window, cx)
4702            })
4703            .log_err()?;
4704        window
4705            .spawn(cx, async move |cx| {
4706                let item = open_task.await?;
4707
4708                let Some(active_editor) = item.downcast::<Editor>() else {
4709                    return anyhow::Ok(());
4710                };
4711
4712                active_editor.update_in(cx, |editor, window, cx| {
4713                    let multibuffer = editor.buffer().read(cx);
4714                    let buffer = multibuffer.as_singleton();
4715                    if agent_location.buffer.upgrade() == buffer {
4716                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4717                        let anchor = editor::Anchor::in_buffer(
4718                            excerpt_id.unwrap(),
4719                            buffer.unwrap().read(cx).remote_id(),
4720                            agent_location.position,
4721                        );
4722                        editor.change_selections(Default::default(), window, cx, |selections| {
4723                            selections.select_anchor_ranges([anchor..anchor]);
4724                        })
4725                    } else {
4726                        let row = tool_call_location.line.unwrap_or_default();
4727                        editor.change_selections(Default::default(), window, cx, |selections| {
4728                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4729                        })
4730                    }
4731                })?;
4732
4733                anyhow::Ok(())
4734            })
4735            .detach_and_log_err(cx);
4736
4737        None
4738    }
4739
4740    pub fn open_thread_as_markdown(
4741        &self,
4742        workspace: Entity<Workspace>,
4743        window: &mut Window,
4744        cx: &mut App,
4745    ) -> Task<Result<()>> {
4746        let markdown_language_task = workspace
4747            .read(cx)
4748            .app_state()
4749            .languages
4750            .language_for_name("Markdown");
4751
4752        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4753            let thread = thread.read(cx);
4754            (thread.title().to_string(), thread.to_markdown(cx))
4755        } else {
4756            return Task::ready(Ok(()));
4757        };
4758
4759        let project = workspace.read(cx).project().clone();
4760        window.spawn(cx, async move |cx| {
4761            let markdown_language = markdown_language_task.await?;
4762
4763            let buffer = project
4764                .update(cx, |project, cx| project.create_buffer(false, cx))?
4765                .await?;
4766
4767            buffer.update(cx, |buffer, cx| {
4768                buffer.set_text(markdown, cx);
4769                buffer.set_language(Some(markdown_language), cx);
4770                buffer.set_capability(language::Capability::ReadOnly, cx);
4771            })?;
4772
4773            workspace.update_in(cx, |workspace, window, cx| {
4774                let buffer = cx
4775                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4776
4777                workspace.add_item_to_active_pane(
4778                    Box::new(cx.new(|cx| {
4779                        let mut editor =
4780                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4781                        editor.set_breadcrumb_header(thread_title);
4782                        editor
4783                    })),
4784                    None,
4785                    true,
4786                    window,
4787                    cx,
4788                );
4789            })?;
4790            anyhow::Ok(())
4791        })
4792    }
4793
4794    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4795        self.list_state.scroll_to(ListOffset::default());
4796        cx.notify();
4797    }
4798
4799    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4800        if let Some(thread) = self.thread() {
4801            let entry_count = thread.read(cx).entries().len();
4802            self.list_state.reset(entry_count);
4803            cx.notify();
4804        }
4805    }
4806
4807    fn notify_with_sound(
4808        &mut self,
4809        caption: impl Into<SharedString>,
4810        icon: IconName,
4811        window: &mut Window,
4812        cx: &mut Context<Self>,
4813    ) {
4814        self.play_notification_sound(window, cx);
4815        self.show_notification(caption, icon, window, cx);
4816    }
4817
4818    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4819        let settings = AgentSettings::get_global(cx);
4820        if settings.play_sound_when_agent_done && !window.is_window_active() {
4821            Audio::play_sound(Sound::AgentDone, cx);
4822        }
4823    }
4824
4825    fn show_notification(
4826        &mut self,
4827        caption: impl Into<SharedString>,
4828        icon: IconName,
4829        window: &mut Window,
4830        cx: &mut Context<Self>,
4831    ) {
4832        if !self.notifications.is_empty() {
4833            return;
4834        }
4835
4836        let settings = AgentSettings::get_global(cx);
4837
4838        let window_is_inactive = !window.is_window_active();
4839        let panel_is_hidden = self
4840            .workspace
4841            .upgrade()
4842            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4843            .unwrap_or(true);
4844
4845        let should_notify = window_is_inactive || panel_is_hidden;
4846
4847        if !should_notify {
4848            return;
4849        }
4850
4851        // TODO: Change this once we have title summarization for external agents.
4852        let title = self.agent.name();
4853
4854        match settings.notify_when_agent_waiting {
4855            NotifyWhenAgentWaiting::PrimaryScreen => {
4856                if let Some(primary) = cx.primary_display() {
4857                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4858                }
4859            }
4860            NotifyWhenAgentWaiting::AllScreens => {
4861                let caption = caption.into();
4862                for screen in cx.displays() {
4863                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4864                }
4865            }
4866            NotifyWhenAgentWaiting::Never => {
4867                // Don't show anything
4868            }
4869        }
4870    }
4871
4872    fn pop_up(
4873        &mut self,
4874        icon: IconName,
4875        caption: SharedString,
4876        title: SharedString,
4877        window: &mut Window,
4878        screen: Rc<dyn PlatformDisplay>,
4879        cx: &mut Context<Self>,
4880    ) {
4881        let options = AgentNotification::window_options(screen, cx);
4882
4883        let project_name = self.workspace.upgrade().and_then(|workspace| {
4884            workspace
4885                .read(cx)
4886                .project()
4887                .read(cx)
4888                .visible_worktrees(cx)
4889                .next()
4890                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4891        });
4892
4893        if let Some(screen_window) = cx
4894            .open_window(options, |_, cx| {
4895                cx.new(|_| {
4896                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4897                })
4898            })
4899            .log_err()
4900            && let Some(pop_up) = screen_window.entity(cx).log_err()
4901        {
4902            self.notification_subscriptions
4903                .entry(screen_window)
4904                .or_insert_with(Vec::new)
4905                .push(cx.subscribe_in(&pop_up, window, {
4906                    |this, _, event, window, cx| match event {
4907                        AgentNotificationEvent::Accepted => {
4908                            let handle = window.window_handle();
4909                            cx.activate(true);
4910
4911                            let workspace_handle = this.workspace.clone();
4912
4913                            // If there are multiple Zed windows, activate the correct one.
4914                            cx.defer(move |cx| {
4915                                handle
4916                                    .update(cx, |_view, window, _cx| {
4917                                        window.activate_window();
4918
4919                                        if let Some(workspace) = workspace_handle.upgrade() {
4920                                            workspace.update(_cx, |workspace, cx| {
4921                                                workspace.focus_panel::<AgentPanel>(window, cx);
4922                                            });
4923                                        }
4924                                    })
4925                                    .log_err();
4926                            });
4927
4928                            this.dismiss_notifications(cx);
4929                        }
4930                        AgentNotificationEvent::Dismissed => {
4931                            this.dismiss_notifications(cx);
4932                        }
4933                    }
4934                }));
4935
4936            self.notifications.push(screen_window);
4937
4938            // If the user manually refocuses the original window, dismiss the popup.
4939            self.notification_subscriptions
4940                .entry(screen_window)
4941                .or_insert_with(Vec::new)
4942                .push({
4943                    let pop_up_weak = pop_up.downgrade();
4944
4945                    cx.observe_window_activation(window, move |_, window, cx| {
4946                        if window.is_window_active()
4947                            && let Some(pop_up) = pop_up_weak.upgrade()
4948                        {
4949                            pop_up.update(cx, |_, cx| {
4950                                cx.emit(AgentNotificationEvent::Dismissed);
4951                            });
4952                        }
4953                    })
4954                });
4955        }
4956    }
4957
4958    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4959        for window in self.notifications.drain(..) {
4960            window
4961                .update(cx, |_, window, _| {
4962                    window.remove_window();
4963                })
4964                .ok();
4965
4966            self.notification_subscriptions.remove(&window);
4967        }
4968    }
4969
4970    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
4971        h_flex()
4972            .id("generating-spinner")
4973            .py_2()
4974            .px(rems_from_px(22.))
4975            .map(|this| {
4976                if confirmation {
4977                    this.gap_2()
4978                        .child(
4979                            h_flex()
4980                                .w_2()
4981                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
4982                        )
4983                        .child(
4984                            LoadingLabel::new("Waiting Confirmation")
4985                                .size(LabelSize::Small)
4986                                .color(Color::Muted),
4987                        )
4988                } else {
4989                    this.child(SpinnerLabel::new().size(LabelSize::Small))
4990                }
4991            })
4992            .into_any_element()
4993    }
4994
4995    fn render_thread_controls(
4996        &self,
4997        thread: &Entity<AcpThread>,
4998        cx: &Context<Self>,
4999    ) -> impl IntoElement {
5000        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
5001        if is_generating {
5002            return self.render_generating(false).into_any_element();
5003        }
5004
5005        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
5006            .shape(ui::IconButtonShape::Square)
5007            .icon_size(IconSize::Small)
5008            .icon_color(Color::Ignored)
5009            .tooltip(Tooltip::text("Open Thread as Markdown"))
5010            .on_click(cx.listener(move |this, _, window, cx| {
5011                if let Some(workspace) = this.workspace.upgrade() {
5012                    this.open_thread_as_markdown(workspace, window, cx)
5013                        .detach_and_log_err(cx);
5014                }
5015            }));
5016
5017        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5018            .shape(ui::IconButtonShape::Square)
5019            .icon_size(IconSize::Small)
5020            .icon_color(Color::Ignored)
5021            .tooltip(Tooltip::text("Scroll To Top"))
5022            .on_click(cx.listener(move |this, _, _, cx| {
5023                this.scroll_to_top(cx);
5024            }));
5025
5026        let mut container = h_flex()
5027            .w_full()
5028            .py_2()
5029            .px_5()
5030            .gap_px()
5031            .opacity(0.6)
5032            .hover(|s| s.opacity(1.))
5033            .justify_end();
5034
5035        if AgentSettings::get_global(cx).enable_feedback
5036            && self
5037                .thread()
5038                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5039        {
5040            let feedback = self.thread_feedback.feedback;
5041
5042            let tooltip_meta = || {
5043                SharedString::new(
5044                    "Rating the thread sends all of your current conversation to the Zed team.",
5045                )
5046            };
5047
5048            container = container
5049                .child(
5050                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5051                        .shape(ui::IconButtonShape::Square)
5052                        .icon_size(IconSize::Small)
5053                        .icon_color(match feedback {
5054                            Some(ThreadFeedback::Positive) => Color::Accent,
5055                            _ => Color::Ignored,
5056                        })
5057                        .tooltip(move |window, cx| match feedback {
5058                            Some(ThreadFeedback::Positive) => {
5059                                Tooltip::text("Thanks for your feedback!")(window, cx)
5060                            }
5061                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
5062                        })
5063                        .on_click(cx.listener(move |this, _, window, cx| {
5064                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5065                        })),
5066                )
5067                .child(
5068                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5069                        .shape(ui::IconButtonShape::Square)
5070                        .icon_size(IconSize::Small)
5071                        .icon_color(match feedback {
5072                            Some(ThreadFeedback::Negative) => Color::Accent,
5073                            _ => Color::Ignored,
5074                        })
5075                        .tooltip(move |window, cx| match feedback {
5076                            Some(ThreadFeedback::Negative) => {
5077                                Tooltip::text(
5078                                    "We appreciate your feedback and will use it to improve in the future.",
5079                                )(window, cx)
5080                            }
5081                            _ => {
5082                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
5083                            }
5084                        })
5085                        .on_click(cx.listener(move |this, _, window, cx| {
5086                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5087                        })),
5088                );
5089        }
5090
5091        container
5092            .child(open_as_markdown)
5093            .child(scroll_to_top)
5094            .into_any_element()
5095    }
5096
5097    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5098        h_flex()
5099            .key_context("AgentFeedbackMessageEditor")
5100            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5101                this.thread_feedback.dismiss_comments();
5102                cx.notify();
5103            }))
5104            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5105                this.submit_feedback_message(cx);
5106            }))
5107            .p_2()
5108            .mb_2()
5109            .mx_5()
5110            .gap_1()
5111            .rounded_md()
5112            .border_1()
5113            .border_color(cx.theme().colors().border)
5114            .bg(cx.theme().colors().editor_background)
5115            .child(div().w_full().child(editor))
5116            .child(
5117                h_flex()
5118                    .child(
5119                        IconButton::new("dismiss-feedback-message", IconName::Close)
5120                            .icon_color(Color::Error)
5121                            .icon_size(IconSize::XSmall)
5122                            .shape(ui::IconButtonShape::Square)
5123                            .on_click(cx.listener(move |this, _, _window, cx| {
5124                                this.thread_feedback.dismiss_comments();
5125                                cx.notify();
5126                            })),
5127                    )
5128                    .child(
5129                        IconButton::new("submit-feedback-message", IconName::Return)
5130                            .icon_size(IconSize::XSmall)
5131                            .shape(ui::IconButtonShape::Square)
5132                            .on_click(cx.listener(move |this, _, _window, cx| {
5133                                this.submit_feedback_message(cx);
5134                            })),
5135                    ),
5136            )
5137    }
5138
5139    fn handle_feedback_click(
5140        &mut self,
5141        feedback: ThreadFeedback,
5142        window: &mut Window,
5143        cx: &mut Context<Self>,
5144    ) {
5145        let Some(thread) = self.thread().cloned() else {
5146            return;
5147        };
5148
5149        self.thread_feedback.submit(thread, feedback, window, cx);
5150        cx.notify();
5151    }
5152
5153    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5154        let Some(thread) = self.thread().cloned() else {
5155            return;
5156        };
5157
5158        self.thread_feedback.submit_comments(thread, cx);
5159        cx.notify();
5160    }
5161
5162    fn render_token_limit_callout(
5163        &self,
5164        line_height: Pixels,
5165        cx: &mut Context<Self>,
5166    ) -> Option<Callout> {
5167        let token_usage = self.thread()?.read(cx).token_usage()?;
5168        let ratio = token_usage.ratio();
5169
5170        let (severity, title) = match ratio {
5171            acp_thread::TokenUsageRatio::Normal => return None,
5172            acp_thread::TokenUsageRatio::Warning => {
5173                (Severity::Warning, "Thread reaching the token limit soon")
5174            }
5175            acp_thread::TokenUsageRatio::Exceeded => {
5176                (Severity::Error, "Thread reached the token limit")
5177            }
5178        };
5179
5180        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5181            thread.read(cx).completion_mode() == CompletionMode::Normal
5182                && thread
5183                    .read(cx)
5184                    .model()
5185                    .is_some_and(|model| model.supports_burn_mode())
5186        });
5187
5188        let description = if burn_mode_available {
5189            "To continue, start a new thread from a summary or turn Burn Mode on."
5190        } else {
5191            "To continue, start a new thread from a summary."
5192        };
5193
5194        Some(
5195            Callout::new()
5196                .severity(severity)
5197                .line_height(line_height)
5198                .title(title)
5199                .description(description)
5200                .actions_slot(
5201                    h_flex()
5202                        .gap_0p5()
5203                        .child(
5204                            Button::new("start-new-thread", "Start New Thread")
5205                                .label_size(LabelSize::Small)
5206                                .on_click(cx.listener(|this, _, window, cx| {
5207                                    let Some(thread) = this.thread() else {
5208                                        return;
5209                                    };
5210                                    let session_id = thread.read(cx).session_id().clone();
5211                                    window.dispatch_action(
5212                                        crate::NewNativeAgentThreadFromSummary {
5213                                            from_session_id: session_id,
5214                                        }
5215                                        .boxed_clone(),
5216                                        cx,
5217                                    );
5218                                })),
5219                        )
5220                        .when(burn_mode_available, |this| {
5221                            this.child(
5222                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5223                                    .icon_size(IconSize::XSmall)
5224                                    .on_click(cx.listener(|this, _event, window, cx| {
5225                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5226                                    })),
5227                            )
5228                        }),
5229                ),
5230        )
5231    }
5232
5233    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5234        if !self.is_using_zed_ai_models(cx) {
5235            return None;
5236        }
5237
5238        let user_store = self.project.read(cx).user_store().read(cx);
5239        if user_store.is_usage_based_billing_enabled() {
5240            return None;
5241        }
5242
5243        let plan = user_store
5244            .plan()
5245            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5246
5247        let usage = user_store.model_request_usage()?;
5248
5249        Some(
5250            div()
5251                .child(UsageCallout::new(plan, usage))
5252                .line_height(line_height),
5253        )
5254    }
5255
5256    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5257        self.entry_view_state.update(cx, |entry_view_state, cx| {
5258            entry_view_state.agent_ui_font_size_changed(cx);
5259        });
5260    }
5261
5262    pub(crate) fn insert_dragged_files(
5263        &self,
5264        paths: Vec<project::ProjectPath>,
5265        added_worktrees: Vec<Entity<project::Worktree>>,
5266        window: &mut Window,
5267        cx: &mut Context<Self>,
5268    ) {
5269        self.message_editor.update(cx, |message_editor, cx| {
5270            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5271        })
5272    }
5273
5274    /// Inserts the selected text into the message editor or the message being
5275    /// edited, if any.
5276    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5277        self.active_editor(cx).update(cx, |editor, cx| {
5278            editor.insert_selections(window, cx);
5279        });
5280    }
5281
5282    fn render_thread_retry_status_callout(
5283        &self,
5284        _window: &mut Window,
5285        _cx: &mut Context<Self>,
5286    ) -> Option<Callout> {
5287        let state = self.thread_retry_status.as_ref()?;
5288
5289        let next_attempt_in = state
5290            .duration
5291            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5292        if next_attempt_in.is_zero() {
5293            return None;
5294        }
5295
5296        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5297
5298        let retry_message = if state.max_attempts == 1 {
5299            if next_attempt_in_secs == 1 {
5300                "Retrying. Next attempt in 1 second.".to_string()
5301            } else {
5302                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5303            }
5304        } else if next_attempt_in_secs == 1 {
5305            format!(
5306                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5307                state.attempt, state.max_attempts,
5308            )
5309        } else {
5310            format!(
5311                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5312                state.attempt, state.max_attempts,
5313            )
5314        };
5315
5316        Some(
5317            Callout::new()
5318                .severity(Severity::Warning)
5319                .title(state.last_error.clone())
5320                .description(retry_message),
5321        )
5322    }
5323
5324    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5325        if self.show_codex_windows_warning {
5326            Some(
5327                Callout::new()
5328                    .icon(IconName::Warning)
5329                    .severity(Severity::Warning)
5330                    .title("Codex on Windows")
5331                    .description(
5332                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5333                    )
5334                    .actions_slot(
5335                        Button::new("open-wsl-modal", "Open in WSL")
5336                            .icon_size(IconSize::Small)
5337                            .icon_color(Color::Muted)
5338                            .on_click(cx.listener({
5339                                move |_, _, _window, cx| {
5340                                    #[cfg(windows)]
5341                                    _window.dispatch_action(
5342                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5343                                        cx,
5344                                    );
5345                                    cx.notify();
5346                                }
5347                            })),
5348                    )
5349                    .dismiss_action(
5350                        IconButton::new("dismiss", IconName::Close)
5351                            .icon_size(IconSize::Small)
5352                            .icon_color(Color::Muted)
5353                            .tooltip(Tooltip::text("Dismiss Warning"))
5354                            .on_click(cx.listener({
5355                                move |this, _, _, cx| {
5356                                    this.show_codex_windows_warning = false;
5357                                    cx.notify();
5358                                }
5359                            })),
5360                    ),
5361            )
5362        } else {
5363            None
5364        }
5365    }
5366
5367    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5368        let content = match self.thread_error.as_ref()? {
5369            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5370            ThreadError::Refusal => self.render_refusal_error(cx),
5371            ThreadError::AuthenticationRequired(error) => {
5372                self.render_authentication_required_error(error.clone(), cx)
5373            }
5374            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5375            ThreadError::ModelRequestLimitReached(plan) => {
5376                self.render_model_request_limit_reached_error(*plan, cx)
5377            }
5378            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5379        };
5380
5381        Some(div().child(content))
5382    }
5383
5384    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5385        v_flex().w_full().justify_end().child(
5386            h_flex()
5387                .p_2()
5388                .pr_3()
5389                .w_full()
5390                .gap_1p5()
5391                .border_t_1()
5392                .border_color(cx.theme().colors().border)
5393                .bg(cx.theme().colors().element_background)
5394                .child(
5395                    h_flex()
5396                        .flex_1()
5397                        .gap_1p5()
5398                        .child(
5399                            Icon::new(IconName::Download)
5400                                .color(Color::Accent)
5401                                .size(IconSize::Small),
5402                        )
5403                        .child(Label::new("New version available").size(LabelSize::Small)),
5404                )
5405                .child(
5406                    Button::new("update-button", format!("Update to v{}", version))
5407                        .label_size(LabelSize::Small)
5408                        .style(ButtonStyle::Tinted(TintColor::Accent))
5409                        .on_click(cx.listener(|this, _, window, cx| {
5410                            this.reset(window, cx);
5411                        })),
5412                ),
5413        )
5414    }
5415
5416    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
5417        if let Some(thread) = self.as_native_thread(cx) {
5418            Some(thread.read(cx).profile().0.clone())
5419        } else if let Some(mode_selector) = self.mode_selector() {
5420            Some(mode_selector.read(cx).mode().0)
5421        } else {
5422            None
5423        }
5424    }
5425
5426    fn current_model_id(&self, cx: &App) -> Option<String> {
5427        self.model_selector
5428            .as_ref()
5429            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5430    }
5431
5432    fn current_model_name(&self, cx: &App) -> SharedString {
5433        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5434        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5435        // This provides better clarity about what refused the request
5436        if self.as_native_connection(cx).is_some() {
5437            self.model_selector
5438                .as_ref()
5439                .and_then(|selector| selector.read(cx).active_model(cx))
5440                .map(|model| model.name.clone())
5441                .unwrap_or_else(|| SharedString::from("The model"))
5442        } else {
5443            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5444            self.agent.name()
5445        }
5446    }
5447
5448    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5449        let model_or_agent_name = self.current_model_name(cx);
5450        let refusal_message = format!(
5451            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
5452            model_or_agent_name
5453        );
5454
5455        Callout::new()
5456            .severity(Severity::Error)
5457            .title("Request Refused")
5458            .icon(IconName::XCircle)
5459            .description(refusal_message.clone())
5460            .actions_slot(self.create_copy_button(&refusal_message))
5461            .dismiss_action(self.dismiss_error_button(cx))
5462    }
5463
5464    fn render_any_thread_error(
5465        &mut self,
5466        error: SharedString,
5467        window: &mut Window,
5468        cx: &mut Context<'_, Self>,
5469    ) -> Callout {
5470        let can_resume = self
5471            .thread()
5472            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5473
5474        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5475            let thread = thread.read(cx);
5476            let supports_burn_mode = thread
5477                .model()
5478                .map_or(false, |model| model.supports_burn_mode());
5479            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5480        });
5481
5482        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5483            markdown.clone()
5484        } else {
5485            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5486            self.thread_error_markdown = Some(markdown.clone());
5487            markdown
5488        };
5489
5490        let markdown_style = default_markdown_style(false, true, window, cx);
5491        let description = self
5492            .render_markdown(markdown, markdown_style)
5493            .into_any_element();
5494
5495        Callout::new()
5496            .severity(Severity::Error)
5497            .icon(IconName::XCircle)
5498            .title("An Error Happened")
5499            .description_slot(description)
5500            .actions_slot(
5501                h_flex()
5502                    .gap_0p5()
5503                    .when(can_resume && can_enable_burn_mode, |this| {
5504                        this.child(
5505                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5506                                .icon(IconName::ZedBurnMode)
5507                                .icon_position(IconPosition::Start)
5508                                .icon_size(IconSize::Small)
5509                                .label_size(LabelSize::Small)
5510                                .on_click(cx.listener(|this, _, window, cx| {
5511                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5512                                    this.resume_chat(cx);
5513                                })),
5514                        )
5515                    })
5516                    .when(can_resume, |this| {
5517                        this.child(
5518                            IconButton::new("retry", IconName::RotateCw)
5519                                .icon_size(IconSize::Small)
5520                                .tooltip(Tooltip::text("Retry Generation"))
5521                                .on_click(cx.listener(|this, _, _window, cx| {
5522                                    this.resume_chat(cx);
5523                                })),
5524                        )
5525                    })
5526                    .child(self.create_copy_button(error.to_string())),
5527            )
5528            .dismiss_action(self.dismiss_error_button(cx))
5529    }
5530
5531    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5532        const ERROR_MESSAGE: &str =
5533            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5534
5535        Callout::new()
5536            .severity(Severity::Error)
5537            .icon(IconName::XCircle)
5538            .title("Free Usage Exceeded")
5539            .description(ERROR_MESSAGE)
5540            .actions_slot(
5541                h_flex()
5542                    .gap_0p5()
5543                    .child(self.upgrade_button(cx))
5544                    .child(self.create_copy_button(ERROR_MESSAGE)),
5545            )
5546            .dismiss_action(self.dismiss_error_button(cx))
5547    }
5548
5549    fn render_authentication_required_error(
5550        &self,
5551        error: SharedString,
5552        cx: &mut Context<Self>,
5553    ) -> Callout {
5554        Callout::new()
5555            .severity(Severity::Error)
5556            .title("Authentication Required")
5557            .icon(IconName::XCircle)
5558            .description(error.clone())
5559            .actions_slot(
5560                h_flex()
5561                    .gap_0p5()
5562                    .child(self.authenticate_button(cx))
5563                    .child(self.create_copy_button(error)),
5564            )
5565            .dismiss_action(self.dismiss_error_button(cx))
5566    }
5567
5568    fn render_model_request_limit_reached_error(
5569        &self,
5570        plan: cloud_llm_client::Plan,
5571        cx: &mut Context<Self>,
5572    ) -> Callout {
5573        let error_message = match plan {
5574            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5575                "Upgrade to usage-based billing for more prompts."
5576            }
5577            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5578            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5579            cloud_llm_client::Plan::V2(_) => "",
5580        };
5581
5582        Callout::new()
5583            .severity(Severity::Error)
5584            .title("Model Prompt Limit Reached")
5585            .icon(IconName::XCircle)
5586            .description(error_message)
5587            .actions_slot(
5588                h_flex()
5589                    .gap_0p5()
5590                    .child(self.upgrade_button(cx))
5591                    .child(self.create_copy_button(error_message)),
5592            )
5593            .dismiss_action(self.dismiss_error_button(cx))
5594    }
5595
5596    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5597        let thread = self.as_native_thread(cx)?;
5598        let supports_burn_mode = thread
5599            .read(cx)
5600            .model()
5601            .is_some_and(|model| model.supports_burn_mode());
5602
5603        let focus_handle = self.focus_handle(cx);
5604
5605        Some(
5606            Callout::new()
5607                .icon(IconName::Info)
5608                .title("Consecutive tool use limit reached.")
5609                .actions_slot(
5610                    h_flex()
5611                        .gap_0p5()
5612                        .when(supports_burn_mode, |this| {
5613                            this.child(
5614                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5615                                    .style(ButtonStyle::Filled)
5616                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5617                                    .layer(ElevationIndex::ModalSurface)
5618                                    .label_size(LabelSize::Small)
5619                                    .key_binding(
5620                                        KeyBinding::for_action_in(
5621                                            &ContinueWithBurnMode,
5622                                            &focus_handle,
5623                                            cx,
5624                                        )
5625                                        .map(|kb| kb.size(rems_from_px(10.))),
5626                                    )
5627                                    .tooltip(Tooltip::text(
5628                                        "Enable Burn Mode for unlimited tool use.",
5629                                    ))
5630                                    .on_click({
5631                                        cx.listener(move |this, _, _window, cx| {
5632                                            thread.update(cx, |thread, cx| {
5633                                                thread
5634                                                    .set_completion_mode(CompletionMode::Burn, cx);
5635                                            });
5636                                            this.resume_chat(cx);
5637                                        })
5638                                    }),
5639                            )
5640                        })
5641                        .child(
5642                            Button::new("continue-conversation", "Continue")
5643                                .layer(ElevationIndex::ModalSurface)
5644                                .label_size(LabelSize::Small)
5645                                .key_binding(
5646                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5647                                        .map(|kb| kb.size(rems_from_px(10.))),
5648                                )
5649                                .on_click(cx.listener(|this, _, _window, cx| {
5650                                    this.resume_chat(cx);
5651                                })),
5652                        ),
5653                ),
5654        )
5655    }
5656
5657    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5658        let message = message.into();
5659
5660        IconButton::new("copy", IconName::Copy)
5661            .icon_size(IconSize::Small)
5662            .tooltip(Tooltip::text("Copy Error Message"))
5663            .on_click(move |_, _, cx| {
5664                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5665            })
5666    }
5667
5668    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5669        IconButton::new("dismiss", IconName::Close)
5670            .icon_size(IconSize::Small)
5671            .tooltip(Tooltip::text("Dismiss Error"))
5672            .on_click(cx.listener({
5673                move |this, _, _, cx| {
5674                    this.clear_thread_error(cx);
5675                    cx.notify();
5676                }
5677            }))
5678    }
5679
5680    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5681        Button::new("authenticate", "Authenticate")
5682            .label_size(LabelSize::Small)
5683            .style(ButtonStyle::Filled)
5684            .on_click(cx.listener({
5685                move |this, _, window, cx| {
5686                    let agent = this.agent.clone();
5687                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5688                        return;
5689                    };
5690
5691                    let connection = thread.read(cx).connection().clone();
5692                    let err = AuthRequired {
5693                        description: None,
5694                        provider_id: None,
5695                    };
5696                    this.clear_thread_error(cx);
5697                    let this = cx.weak_entity();
5698                    window.defer(cx, |window, cx| {
5699                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5700                    })
5701                }
5702            }))
5703    }
5704
5705    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5706        let agent = self.agent.clone();
5707        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5708            return;
5709        };
5710
5711        let connection = thread.read(cx).connection().clone();
5712        let err = AuthRequired {
5713            description: None,
5714            provider_id: None,
5715        };
5716        self.clear_thread_error(cx);
5717        let this = cx.weak_entity();
5718        window.defer(cx, |window, cx| {
5719            Self::handle_auth_required(this, err, agent, connection, window, cx);
5720        })
5721    }
5722
5723    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5724        Button::new("upgrade", "Upgrade")
5725            .label_size(LabelSize::Small)
5726            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5727            .on_click(cx.listener({
5728                move |this, _, _, cx| {
5729                    this.clear_thread_error(cx);
5730                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5731                }
5732            }))
5733    }
5734
5735    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5736        let task = match entry {
5737            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5738                history.delete_thread(thread.id.clone(), cx)
5739            }),
5740            HistoryEntry::TextThread(text_thread) => {
5741                self.history_store.update(cx, |history, cx| {
5742                    history.delete_text_thread(text_thread.path.clone(), cx)
5743                })
5744            }
5745        };
5746        task.detach_and_log_err(cx);
5747    }
5748
5749    /// Returns the currently active editor, either for a message that is being
5750    /// edited or the editor for a new message.
5751    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5752        if let Some(index) = self.editing_message
5753            && let Some(editor) = self
5754                .entry_view_state
5755                .read(cx)
5756                .entry(index)
5757                .and_then(|e| e.message_editor())
5758                .cloned()
5759        {
5760            editor
5761        } else {
5762            self.message_editor.clone()
5763        }
5764    }
5765}
5766
5767fn loading_contents_spinner(size: IconSize) -> AnyElement {
5768    Icon::new(IconName::LoadCircle)
5769        .size(size)
5770        .color(Color::Accent)
5771        .with_rotate_animation(3)
5772        .into_any_element()
5773}
5774
5775fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5776    if agent_name == "Zed Agent" {
5777        format!("Message the {} — @ to include context", agent_name)
5778    } else if has_commands {
5779        format!(
5780            "Message {} — @ to include context, / for commands",
5781            agent_name
5782        )
5783    } else {
5784        format!("Message {} — @ to include context", agent_name)
5785    }
5786}
5787
5788impl Focusable for AcpThreadView {
5789    fn focus_handle(&self, cx: &App) -> FocusHandle {
5790        match self.thread_state {
5791            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5792                self.active_editor(cx).focus_handle(cx)
5793            }
5794            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5795                self.focus_handle.clone()
5796            }
5797        }
5798    }
5799}
5800
5801impl Render for AcpThreadView {
5802    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5803        let has_messages = self.list_state.item_count() > 0;
5804        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5805
5806        v_flex()
5807            .size_full()
5808            .key_context("AcpThread")
5809            .on_action(cx.listener(Self::toggle_burn_mode))
5810            .on_action(cx.listener(Self::keep_all))
5811            .on_action(cx.listener(Self::reject_all))
5812            .on_action(cx.listener(Self::allow_always))
5813            .on_action(cx.listener(Self::allow_once))
5814            .on_action(cx.listener(Self::reject_once))
5815            .track_focus(&self.focus_handle)
5816            .bg(cx.theme().colors().panel_background)
5817            .child(match &self.thread_state {
5818                ThreadState::Unauthenticated {
5819                    connection,
5820                    description,
5821                    configuration_view,
5822                    pending_auth_method,
5823                    ..
5824                } => self
5825                    .render_auth_required_state(
5826                        connection,
5827                        description.as_ref(),
5828                        configuration_view.as_ref(),
5829                        pending_auth_method.as_ref(),
5830                        window,
5831                        cx,
5832                    )
5833                    .into_any(),
5834                ThreadState::Loading { .. } => v_flex()
5835                    .flex_1()
5836                    .child(self.render_recent_history(cx))
5837                    .into_any(),
5838                ThreadState::LoadError(e) => v_flex()
5839                    .flex_1()
5840                    .size_full()
5841                    .items_center()
5842                    .justify_end()
5843                    .child(self.render_load_error(e, window, cx))
5844                    .into_any(),
5845                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5846                    if has_messages {
5847                        this.child(
5848                            list(
5849                                self.list_state.clone(),
5850                                cx.processor(|this, index: usize, window, cx| {
5851                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5852                                        let entries = &thread.read(cx).entries();
5853                                        Some((entries.get(index)?, entries.len()))
5854                                    }) else {
5855                                        return Empty.into_any();
5856                                    };
5857                                    this.render_entry(index, len, entry, window, cx)
5858                                }),
5859                            )
5860                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5861                            .flex_grow()
5862                            .into_any(),
5863                        )
5864                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5865                        .into_any()
5866                    } else {
5867                        this.child(self.render_recent_history(cx)).into_any()
5868                    }
5869                }),
5870            })
5871            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5872            // above so that the scrollbar doesn't render behind it. The current setup allows
5873            // the scrollbar to stop exactly at the activity bar start.
5874            .when(has_messages, |this| match &self.thread_state {
5875                ThreadState::Ready { thread, .. } => {
5876                    this.children(self.render_activity_bar(thread, window, cx))
5877                }
5878                _ => this,
5879            })
5880            .children(self.render_thread_retry_status_callout(window, cx))
5881            .children({
5882                if cfg!(windows) && self.project.read(cx).is_local() {
5883                    self.render_codex_windows_warning(cx)
5884                } else {
5885                    None
5886                }
5887            })
5888            .children(self.render_thread_error(window, cx))
5889            .when_some(
5890                self.new_server_version_available.as_ref().filter(|_| {
5891                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5892                }),
5893                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5894            )
5895            .children(
5896                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5897                    Some(usage_callout.into_any_element())
5898                } else {
5899                    self.render_token_limit_callout(line_height, cx)
5900                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5901                },
5902            )
5903            .child(self.render_message_editor(window, cx))
5904    }
5905}
5906
5907fn default_markdown_style(
5908    buffer_font: bool,
5909    muted_text: bool,
5910    window: &Window,
5911    cx: &App,
5912) -> MarkdownStyle {
5913    let theme_settings = ThemeSettings::get_global(cx);
5914    let colors = cx.theme().colors();
5915
5916    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5917
5918    let mut text_style = window.text_style();
5919    let line_height = buffer_font_size * 1.75;
5920
5921    let font_family = if buffer_font {
5922        theme_settings.buffer_font.family.clone()
5923    } else {
5924        theme_settings.ui_font.family.clone()
5925    };
5926
5927    let font_size = if buffer_font {
5928        theme_settings.agent_buffer_font_size(cx)
5929    } else {
5930        theme_settings.agent_ui_font_size(cx)
5931    };
5932
5933    let text_color = if muted_text {
5934        colors.text_muted
5935    } else {
5936        colors.text
5937    };
5938
5939    text_style.refine(&TextStyleRefinement {
5940        font_family: Some(font_family),
5941        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5942        font_features: Some(theme_settings.ui_font.features.clone()),
5943        font_size: Some(font_size.into()),
5944        line_height: Some(line_height.into()),
5945        color: Some(text_color),
5946        ..Default::default()
5947    });
5948
5949    MarkdownStyle {
5950        base_text_style: text_style.clone(),
5951        syntax: cx.theme().syntax().clone(),
5952        selection_background_color: colors.element_selection_background,
5953        code_block_overflow_x_scroll: true,
5954        heading_level_styles: Some(HeadingLevelStyles {
5955            h1: Some(TextStyleRefinement {
5956                font_size: Some(rems(1.15).into()),
5957                ..Default::default()
5958            }),
5959            h2: Some(TextStyleRefinement {
5960                font_size: Some(rems(1.1).into()),
5961                ..Default::default()
5962            }),
5963            h3: Some(TextStyleRefinement {
5964                font_size: Some(rems(1.05).into()),
5965                ..Default::default()
5966            }),
5967            h4: Some(TextStyleRefinement {
5968                font_size: Some(rems(1.).into()),
5969                ..Default::default()
5970            }),
5971            h5: Some(TextStyleRefinement {
5972                font_size: Some(rems(0.95).into()),
5973                ..Default::default()
5974            }),
5975            h6: Some(TextStyleRefinement {
5976                font_size: Some(rems(0.875).into()),
5977                ..Default::default()
5978            }),
5979        }),
5980        code_block: StyleRefinement {
5981            padding: EdgesRefinement {
5982                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5983                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5984                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5985                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5986            },
5987            margin: EdgesRefinement {
5988                top: Some(Length::Definite(px(8.).into())),
5989                left: Some(Length::Definite(px(0.).into())),
5990                right: Some(Length::Definite(px(0.).into())),
5991                bottom: Some(Length::Definite(px(12.).into())),
5992            },
5993            border_style: Some(BorderStyle::Solid),
5994            border_widths: EdgesRefinement {
5995                top: Some(AbsoluteLength::Pixels(px(1.))),
5996                left: Some(AbsoluteLength::Pixels(px(1.))),
5997                right: Some(AbsoluteLength::Pixels(px(1.))),
5998                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5999            },
6000            border_color: Some(colors.border_variant),
6001            background: Some(colors.editor_background.into()),
6002            text: Some(TextStyleRefinement {
6003                font_family: Some(theme_settings.buffer_font.family.clone()),
6004                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6005                font_features: Some(theme_settings.buffer_font.features.clone()),
6006                font_size: Some(buffer_font_size.into()),
6007                ..Default::default()
6008            }),
6009            ..Default::default()
6010        },
6011        inline_code: TextStyleRefinement {
6012            font_family: Some(theme_settings.buffer_font.family.clone()),
6013            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
6014            font_features: Some(theme_settings.buffer_font.features.clone()),
6015            font_size: Some(buffer_font_size.into()),
6016            background_color: Some(colors.editor_foreground.opacity(0.08)),
6017            ..Default::default()
6018        },
6019        link: TextStyleRefinement {
6020            background_color: Some(colors.editor_foreground.opacity(0.025)),
6021            color: Some(colors.text_accent),
6022            underline: Some(UnderlineStyle {
6023                color: Some(colors.text_accent.opacity(0.5)),
6024                thickness: px(1.),
6025                ..Default::default()
6026            }),
6027            ..Default::default()
6028        },
6029        ..Default::default()
6030    }
6031}
6032
6033fn plan_label_markdown_style(
6034    status: &acp::PlanEntryStatus,
6035    window: &Window,
6036    cx: &App,
6037) -> MarkdownStyle {
6038    let default_md_style = default_markdown_style(false, false, window, cx);
6039
6040    MarkdownStyle {
6041        base_text_style: TextStyle {
6042            color: cx.theme().colors().text_muted,
6043            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6044                Some(gpui::StrikethroughStyle {
6045                    thickness: px(1.),
6046                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6047                })
6048            } else {
6049                None
6050            },
6051            ..default_md_style.base_text_style
6052        },
6053        ..default_md_style
6054    }
6055}
6056
6057fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6058    let default_md_style = default_markdown_style(true, false, window, cx);
6059
6060    MarkdownStyle {
6061        base_text_style: TextStyle {
6062            ..default_md_style.base_text_style
6063        },
6064        selection_background_color: cx.theme().colors().element_selection_background,
6065        ..Default::default()
6066    }
6067}
6068
6069#[cfg(test)]
6070pub(crate) mod tests {
6071    use acp_thread::StubAgentConnection;
6072    use agent_client_protocol::SessionId;
6073    use assistant_text_thread::TextThreadStore;
6074    use editor::MultiBufferOffset;
6075    use fs::FakeFs;
6076    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
6077    use project::Project;
6078    use serde_json::json;
6079    use settings::SettingsStore;
6080    use std::any::Any;
6081    use std::path::Path;
6082    use workspace::Item;
6083
6084    use super::*;
6085
6086    #[gpui::test]
6087    async fn test_drop(cx: &mut TestAppContext) {
6088        init_test(cx);
6089
6090        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6091        let weak_view = thread_view.downgrade();
6092        drop(thread_view);
6093        assert!(!weak_view.is_upgradable());
6094    }
6095
6096    #[gpui::test]
6097    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6098        init_test(cx);
6099
6100        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6101
6102        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6103        message_editor.update_in(cx, |editor, window, cx| {
6104            editor.set_text("Hello", window, cx);
6105        });
6106
6107        cx.deactivate_window();
6108
6109        thread_view.update_in(cx, |thread_view, window, cx| {
6110            thread_view.send(window, cx);
6111        });
6112
6113        cx.run_until_parked();
6114
6115        assert!(
6116            cx.windows()
6117                .iter()
6118                .any(|window| window.downcast::<AgentNotification>().is_some())
6119        );
6120    }
6121
6122    #[gpui::test]
6123    async fn test_notification_for_error(cx: &mut TestAppContext) {
6124        init_test(cx);
6125
6126        let (thread_view, cx) =
6127            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6128
6129        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6130        message_editor.update_in(cx, |editor, window, cx| {
6131            editor.set_text("Hello", window, cx);
6132        });
6133
6134        cx.deactivate_window();
6135
6136        thread_view.update_in(cx, |thread_view, window, cx| {
6137            thread_view.send(window, cx);
6138        });
6139
6140        cx.run_until_parked();
6141
6142        assert!(
6143            cx.windows()
6144                .iter()
6145                .any(|window| window.downcast::<AgentNotification>().is_some())
6146        );
6147    }
6148
6149    #[gpui::test]
6150    async fn test_refusal_handling(cx: &mut TestAppContext) {
6151        init_test(cx);
6152
6153        let (thread_view, cx) =
6154            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6155
6156        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6157        message_editor.update_in(cx, |editor, window, cx| {
6158            editor.set_text("Do something harmful", window, cx);
6159        });
6160
6161        thread_view.update_in(cx, |thread_view, window, cx| {
6162            thread_view.send(window, cx);
6163        });
6164
6165        cx.run_until_parked();
6166
6167        // Check that the refusal error is set
6168        thread_view.read_with(cx, |thread_view, _cx| {
6169            assert!(
6170                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6171                "Expected refusal error to be set"
6172            );
6173        });
6174    }
6175
6176    #[gpui::test]
6177    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6178        init_test(cx);
6179
6180        let tool_call_id = acp::ToolCallId("1".into());
6181        let tool_call = acp::ToolCall {
6182            id: tool_call_id.clone(),
6183            title: "Label".into(),
6184            kind: acp::ToolKind::Edit,
6185            status: acp::ToolCallStatus::Pending,
6186            content: vec!["hi".into()],
6187            locations: vec![],
6188            raw_input: None,
6189            raw_output: None,
6190            meta: None,
6191        };
6192        let connection =
6193            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6194                tool_call_id,
6195                vec![acp::PermissionOption {
6196                    id: acp::PermissionOptionId("1".into()),
6197                    name: "Allow".into(),
6198                    kind: acp::PermissionOptionKind::AllowOnce,
6199                    meta: None,
6200                }],
6201            )]));
6202
6203        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6204
6205        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6206
6207        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6208        message_editor.update_in(cx, |editor, window, cx| {
6209            editor.set_text("Hello", window, cx);
6210        });
6211
6212        cx.deactivate_window();
6213
6214        thread_view.update_in(cx, |thread_view, window, cx| {
6215            thread_view.send(window, cx);
6216        });
6217
6218        cx.run_until_parked();
6219
6220        assert!(
6221            cx.windows()
6222                .iter()
6223                .any(|window| window.downcast::<AgentNotification>().is_some())
6224        );
6225    }
6226
6227    #[gpui::test]
6228    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6229        init_test(cx);
6230
6231        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6232
6233        add_to_workspace(thread_view.clone(), cx);
6234
6235        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6236
6237        message_editor.update_in(cx, |editor, window, cx| {
6238            editor.set_text("Hello", window, cx);
6239        });
6240
6241        // Window is active (don't deactivate), but panel will be hidden
6242        // Note: In the test environment, the panel is not actually added to the dock,
6243        // so is_agent_panel_hidden will return true
6244
6245        thread_view.update_in(cx, |thread_view, window, cx| {
6246            thread_view.send(window, cx);
6247        });
6248
6249        cx.run_until_parked();
6250
6251        // Should show notification because window is active but panel is hidden
6252        assert!(
6253            cx.windows()
6254                .iter()
6255                .any(|window| window.downcast::<AgentNotification>().is_some()),
6256            "Expected notification when panel is hidden"
6257        );
6258    }
6259
6260    #[gpui::test]
6261    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6262        init_test(cx);
6263
6264        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6265
6266        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6267        message_editor.update_in(cx, |editor, window, cx| {
6268            editor.set_text("Hello", window, cx);
6269        });
6270
6271        // Deactivate window - should show notification regardless of setting
6272        cx.deactivate_window();
6273
6274        thread_view.update_in(cx, |thread_view, window, cx| {
6275            thread_view.send(window, cx);
6276        });
6277
6278        cx.run_until_parked();
6279
6280        // Should still show notification when window is inactive (existing behavior)
6281        assert!(
6282            cx.windows()
6283                .iter()
6284                .any(|window| window.downcast::<AgentNotification>().is_some()),
6285            "Expected notification when window is inactive"
6286        );
6287    }
6288
6289    #[gpui::test]
6290    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6291        init_test(cx);
6292
6293        // Set notify_when_agent_waiting to Never
6294        cx.update(|cx| {
6295            AgentSettings::override_global(
6296                AgentSettings {
6297                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6298                    ..AgentSettings::get_global(cx).clone()
6299                },
6300                cx,
6301            );
6302        });
6303
6304        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6305
6306        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6307        message_editor.update_in(cx, |editor, window, cx| {
6308            editor.set_text("Hello", window, cx);
6309        });
6310
6311        // Window is active
6312
6313        thread_view.update_in(cx, |thread_view, window, cx| {
6314            thread_view.send(window, cx);
6315        });
6316
6317        cx.run_until_parked();
6318
6319        // Should NOT show notification because notify_when_agent_waiting is Never
6320        assert!(
6321            !cx.windows()
6322                .iter()
6323                .any(|window| window.downcast::<AgentNotification>().is_some()),
6324            "Expected no notification when notify_when_agent_waiting is Never"
6325        );
6326    }
6327
6328    async fn setup_thread_view(
6329        agent: impl AgentServer + 'static,
6330        cx: &mut TestAppContext,
6331    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6332        let fs = FakeFs::new(cx.executor());
6333        let project = Project::test(fs, [], cx).await;
6334        let (workspace, cx) =
6335            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6336
6337        let text_thread_store =
6338            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6339        let history_store =
6340            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6341
6342        let thread_view = cx.update(|window, cx| {
6343            cx.new(|cx| {
6344                AcpThreadView::new(
6345                    Rc::new(agent),
6346                    None,
6347                    None,
6348                    workspace.downgrade(),
6349                    project,
6350                    history_store,
6351                    None,
6352                    window,
6353                    cx,
6354                )
6355            })
6356        });
6357        cx.run_until_parked();
6358        (thread_view, cx)
6359    }
6360
6361    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6362        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6363
6364        workspace
6365            .update_in(cx, |workspace, window, cx| {
6366                workspace.add_item_to_active_pane(
6367                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6368                    None,
6369                    true,
6370                    window,
6371                    cx,
6372                );
6373            })
6374            .unwrap();
6375    }
6376
6377    struct ThreadViewItem(Entity<AcpThreadView>);
6378
6379    impl Item for ThreadViewItem {
6380        type Event = ();
6381
6382        fn include_in_nav_history() -> bool {
6383            false
6384        }
6385
6386        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6387            "Test".into()
6388        }
6389    }
6390
6391    impl EventEmitter<()> for ThreadViewItem {}
6392
6393    impl Focusable for ThreadViewItem {
6394        fn focus_handle(&self, cx: &App) -> FocusHandle {
6395            self.0.read(cx).focus_handle(cx)
6396        }
6397    }
6398
6399    impl Render for ThreadViewItem {
6400        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6401            self.0.clone().into_any_element()
6402        }
6403    }
6404
6405    struct StubAgentServer<C> {
6406        connection: C,
6407    }
6408
6409    impl<C> StubAgentServer<C> {
6410        fn new(connection: C) -> Self {
6411            Self { connection }
6412        }
6413    }
6414
6415    impl StubAgentServer<StubAgentConnection> {
6416        fn default_response() -> Self {
6417            let conn = StubAgentConnection::new();
6418            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6419                acp::ContentChunk {
6420                    content: "Default response".into(),
6421                    meta: None,
6422                },
6423            )]);
6424            Self::new(conn)
6425        }
6426    }
6427
6428    impl<C> AgentServer for StubAgentServer<C>
6429    where
6430        C: 'static + AgentConnection + Send + Clone,
6431    {
6432        fn telemetry_id(&self) -> &'static str {
6433            "test"
6434        }
6435
6436        fn logo(&self) -> ui::IconName {
6437            ui::IconName::Ai
6438        }
6439
6440        fn name(&self) -> SharedString {
6441            "Test".into()
6442        }
6443
6444        fn connect(
6445            &self,
6446            _root_dir: Option<&Path>,
6447            _delegate: AgentServerDelegate,
6448            _cx: &mut App,
6449        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6450            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6451        }
6452
6453        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6454            self
6455        }
6456    }
6457
6458    #[derive(Clone)]
6459    struct SaboteurAgentConnection;
6460
6461    impl AgentConnection for SaboteurAgentConnection {
6462        fn telemetry_id(&self) -> &'static str {
6463            "saboteur"
6464        }
6465
6466        fn new_thread(
6467            self: Rc<Self>,
6468            project: Entity<Project>,
6469            _cwd: &Path,
6470            cx: &mut gpui::App,
6471        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6472            Task::ready(Ok(cx.new(|cx| {
6473                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6474                AcpThread::new(
6475                    "SaboteurAgentConnection",
6476                    self,
6477                    project,
6478                    action_log,
6479                    SessionId("test".into()),
6480                    watch::Receiver::constant(acp::PromptCapabilities {
6481                        image: true,
6482                        audio: true,
6483                        embedded_context: true,
6484                        meta: None,
6485                    }),
6486                    cx,
6487                )
6488            })))
6489        }
6490
6491        fn auth_methods(&self) -> &[acp::AuthMethod] {
6492            &[]
6493        }
6494
6495        fn authenticate(
6496            &self,
6497            _method_id: acp::AuthMethodId,
6498            _cx: &mut App,
6499        ) -> Task<gpui::Result<()>> {
6500            unimplemented!()
6501        }
6502
6503        fn prompt(
6504            &self,
6505            _id: Option<acp_thread::UserMessageId>,
6506            _params: acp::PromptRequest,
6507            _cx: &mut App,
6508        ) -> Task<gpui::Result<acp::PromptResponse>> {
6509            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6510        }
6511
6512        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6513            unimplemented!()
6514        }
6515
6516        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6517            self
6518        }
6519    }
6520
6521    /// Simulates a model which always returns a refusal response
6522    #[derive(Clone)]
6523    struct RefusalAgentConnection;
6524
6525    impl AgentConnection for RefusalAgentConnection {
6526        fn telemetry_id(&self) -> &'static str {
6527            "refusal"
6528        }
6529
6530        fn new_thread(
6531            self: Rc<Self>,
6532            project: Entity<Project>,
6533            _cwd: &Path,
6534            cx: &mut gpui::App,
6535        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6536            Task::ready(Ok(cx.new(|cx| {
6537                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6538                AcpThread::new(
6539                    "RefusalAgentConnection",
6540                    self,
6541                    project,
6542                    action_log,
6543                    SessionId("test".into()),
6544                    watch::Receiver::constant(acp::PromptCapabilities {
6545                        image: true,
6546                        audio: true,
6547                        embedded_context: true,
6548                        meta: None,
6549                    }),
6550                    cx,
6551                )
6552            })))
6553        }
6554
6555        fn auth_methods(&self) -> &[acp::AuthMethod] {
6556            &[]
6557        }
6558
6559        fn authenticate(
6560            &self,
6561            _method_id: acp::AuthMethodId,
6562            _cx: &mut App,
6563        ) -> Task<gpui::Result<()>> {
6564            unimplemented!()
6565        }
6566
6567        fn prompt(
6568            &self,
6569            _id: Option<acp_thread::UserMessageId>,
6570            _params: acp::PromptRequest,
6571            _cx: &mut App,
6572        ) -> Task<gpui::Result<acp::PromptResponse>> {
6573            Task::ready(Ok(acp::PromptResponse {
6574                stop_reason: acp::StopReason::Refusal,
6575                meta: None,
6576            }))
6577        }
6578
6579        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6580            unimplemented!()
6581        }
6582
6583        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6584            self
6585        }
6586    }
6587
6588    pub(crate) fn init_test(cx: &mut TestAppContext) {
6589        cx.update(|cx| {
6590            let settings_store = SettingsStore::test(cx);
6591            cx.set_global(settings_store);
6592            theme::init(theme::LoadThemes::JustBase, cx);
6593            release_channel::init(SemanticVersion::default(), cx);
6594            prompt_store::init(cx)
6595        });
6596    }
6597
6598    #[gpui::test]
6599    async fn test_rewind_views(cx: &mut TestAppContext) {
6600        init_test(cx);
6601
6602        let fs = FakeFs::new(cx.executor());
6603        fs.insert_tree(
6604            "/project",
6605            json!({
6606                "test1.txt": "old content 1",
6607                "test2.txt": "old content 2"
6608            }),
6609        )
6610        .await;
6611        let project = Project::test(fs, [Path::new("/project")], cx).await;
6612        let (workspace, cx) =
6613            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6614
6615        let text_thread_store =
6616            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6617        let history_store =
6618            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6619
6620        let connection = Rc::new(StubAgentConnection::new());
6621        let thread_view = cx.update(|window, cx| {
6622            cx.new(|cx| {
6623                AcpThreadView::new(
6624                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6625                    None,
6626                    None,
6627                    workspace.downgrade(),
6628                    project.clone(),
6629                    history_store.clone(),
6630                    None,
6631                    window,
6632                    cx,
6633                )
6634            })
6635        });
6636
6637        cx.run_until_parked();
6638
6639        let thread = thread_view
6640            .read_with(cx, |view, _| view.thread().cloned())
6641            .unwrap();
6642
6643        // First user message
6644        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6645            id: acp::ToolCallId("tool1".into()),
6646            title: "Edit file 1".into(),
6647            kind: acp::ToolKind::Edit,
6648            status: acp::ToolCallStatus::Completed,
6649            content: vec![acp::ToolCallContent::Diff {
6650                diff: acp::Diff {
6651                    path: "/project/test1.txt".into(),
6652                    old_text: Some("old content 1".into()),
6653                    new_text: "new content 1".into(),
6654                    meta: None,
6655                },
6656            }],
6657            locations: vec![],
6658            raw_input: None,
6659            raw_output: None,
6660            meta: None,
6661        })]);
6662
6663        thread
6664            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6665            .await
6666            .unwrap();
6667        cx.run_until_parked();
6668
6669        thread.read_with(cx, |thread, _| {
6670            assert_eq!(thread.entries().len(), 2);
6671        });
6672
6673        thread_view.read_with(cx, |view, cx| {
6674            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6675                assert!(
6676                    entry_view_state
6677                        .entry(0)
6678                        .unwrap()
6679                        .message_editor()
6680                        .is_some()
6681                );
6682                assert!(entry_view_state.entry(1).unwrap().has_content());
6683            });
6684        });
6685
6686        // Second user message
6687        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6688            id: acp::ToolCallId("tool2".into()),
6689            title: "Edit file 2".into(),
6690            kind: acp::ToolKind::Edit,
6691            status: acp::ToolCallStatus::Completed,
6692            content: vec![acp::ToolCallContent::Diff {
6693                diff: acp::Diff {
6694                    path: "/project/test2.txt".into(),
6695                    old_text: Some("old content 2".into()),
6696                    new_text: "new content 2".into(),
6697                    meta: None,
6698                },
6699            }],
6700            locations: vec![],
6701            raw_input: None,
6702            raw_output: None,
6703            meta: None,
6704        })]);
6705
6706        thread
6707            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6708            .await
6709            .unwrap();
6710        cx.run_until_parked();
6711
6712        let second_user_message_id = thread.read_with(cx, |thread, _| {
6713            assert_eq!(thread.entries().len(), 4);
6714            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6715                panic!();
6716            };
6717            user_message.id.clone().unwrap()
6718        });
6719
6720        thread_view.read_with(cx, |view, cx| {
6721            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6722                assert!(
6723                    entry_view_state
6724                        .entry(0)
6725                        .unwrap()
6726                        .message_editor()
6727                        .is_some()
6728                );
6729                assert!(entry_view_state.entry(1).unwrap().has_content());
6730                assert!(
6731                    entry_view_state
6732                        .entry(2)
6733                        .unwrap()
6734                        .message_editor()
6735                        .is_some()
6736                );
6737                assert!(entry_view_state.entry(3).unwrap().has_content());
6738            });
6739        });
6740
6741        // Rewind to first message
6742        thread
6743            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6744            .await
6745            .unwrap();
6746
6747        cx.run_until_parked();
6748
6749        thread.read_with(cx, |thread, _| {
6750            assert_eq!(thread.entries().len(), 2);
6751        });
6752
6753        thread_view.read_with(cx, |view, cx| {
6754            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6755                assert!(
6756                    entry_view_state
6757                        .entry(0)
6758                        .unwrap()
6759                        .message_editor()
6760                        .is_some()
6761                );
6762                assert!(entry_view_state.entry(1).unwrap().has_content());
6763
6764                // Old views should be dropped
6765                assert!(entry_view_state.entry(2).is_none());
6766                assert!(entry_view_state.entry(3).is_none());
6767            });
6768        });
6769    }
6770
6771    #[gpui::test]
6772    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6773        init_test(cx);
6774
6775        let connection = StubAgentConnection::new();
6776
6777        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6778            acp::ContentChunk {
6779                content: acp::ContentBlock::Text(acp::TextContent {
6780                    text: "Response".into(),
6781                    annotations: None,
6782                    meta: None,
6783                }),
6784                meta: None,
6785            },
6786        )]);
6787
6788        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6789        add_to_workspace(thread_view.clone(), cx);
6790
6791        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6792        message_editor.update_in(cx, |editor, window, cx| {
6793            editor.set_text("Original message to edit", window, cx);
6794        });
6795        thread_view.update_in(cx, |thread_view, window, cx| {
6796            thread_view.send(window, cx);
6797        });
6798
6799        cx.run_until_parked();
6800
6801        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6802            assert_eq!(view.editing_message, None);
6803
6804            view.entry_view_state
6805                .read(cx)
6806                .entry(0)
6807                .unwrap()
6808                .message_editor()
6809                .unwrap()
6810                .clone()
6811        });
6812
6813        // Focus
6814        cx.focus(&user_message_editor);
6815        thread_view.read_with(cx, |view, _cx| {
6816            assert_eq!(view.editing_message, Some(0));
6817        });
6818
6819        // Edit
6820        user_message_editor.update_in(cx, |editor, window, cx| {
6821            editor.set_text("Edited message content", window, cx);
6822        });
6823
6824        // Cancel
6825        user_message_editor.update_in(cx, |_editor, window, cx| {
6826            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6827        });
6828
6829        thread_view.read_with(cx, |view, _cx| {
6830            assert_eq!(view.editing_message, None);
6831        });
6832
6833        user_message_editor.read_with(cx, |editor, cx| {
6834            assert_eq!(editor.text(cx), "Original message to edit");
6835        });
6836    }
6837
6838    #[gpui::test]
6839    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6840        init_test(cx);
6841
6842        let connection = StubAgentConnection::new();
6843
6844        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6845        add_to_workspace(thread_view.clone(), cx);
6846
6847        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6848        let mut events = cx.events(&message_editor);
6849        message_editor.update_in(cx, |editor, window, cx| {
6850            editor.set_text("", window, cx);
6851        });
6852
6853        message_editor.update_in(cx, |_editor, window, cx| {
6854            window.dispatch_action(Box::new(Chat), cx);
6855        });
6856        cx.run_until_parked();
6857        // We shouldn't have received any messages
6858        assert!(matches!(
6859            events.try_next(),
6860            Err(futures::channel::mpsc::TryRecvError { .. })
6861        ));
6862    }
6863
6864    #[gpui::test]
6865    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6866        init_test(cx);
6867
6868        let connection = StubAgentConnection::new();
6869
6870        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6871            acp::ContentChunk {
6872                content: acp::ContentBlock::Text(acp::TextContent {
6873                    text: "Response".into(),
6874                    annotations: None,
6875                    meta: None,
6876                }),
6877                meta: None,
6878            },
6879        )]);
6880
6881        let (thread_view, cx) =
6882            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6883        add_to_workspace(thread_view.clone(), cx);
6884
6885        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6886        message_editor.update_in(cx, |editor, window, cx| {
6887            editor.set_text("Original message to edit", window, cx);
6888        });
6889        thread_view.update_in(cx, |thread_view, window, cx| {
6890            thread_view.send(window, cx);
6891        });
6892
6893        cx.run_until_parked();
6894
6895        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6896            assert_eq!(view.editing_message, None);
6897            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6898
6899            view.entry_view_state
6900                .read(cx)
6901                .entry(0)
6902                .unwrap()
6903                .message_editor()
6904                .unwrap()
6905                .clone()
6906        });
6907
6908        // Focus
6909        cx.focus(&user_message_editor);
6910
6911        // Edit
6912        user_message_editor.update_in(cx, |editor, window, cx| {
6913            editor.set_text("Edited message content", window, cx);
6914        });
6915
6916        // Send
6917        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6918            acp::ContentChunk {
6919                content: acp::ContentBlock::Text(acp::TextContent {
6920                    text: "New Response".into(),
6921                    annotations: None,
6922                    meta: None,
6923                }),
6924                meta: None,
6925            },
6926        )]);
6927
6928        user_message_editor.update_in(cx, |_editor, window, cx| {
6929            window.dispatch_action(Box::new(Chat), cx);
6930        });
6931
6932        cx.run_until_parked();
6933
6934        thread_view.read_with(cx, |view, cx| {
6935            assert_eq!(view.editing_message, None);
6936
6937            let entries = view.thread().unwrap().read(cx).entries();
6938            assert_eq!(entries.len(), 2);
6939            assert_eq!(
6940                entries[0].to_markdown(cx),
6941                "## User\n\nEdited message content\n\n"
6942            );
6943            assert_eq!(
6944                entries[1].to_markdown(cx),
6945                "## Assistant\n\nNew Response\n\n"
6946            );
6947
6948            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6949                assert!(!state.entry(1).unwrap().has_content());
6950                state.entry(0).unwrap().message_editor().unwrap().clone()
6951            });
6952
6953            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6954        })
6955    }
6956
6957    #[gpui::test]
6958    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6959        init_test(cx);
6960
6961        let connection = StubAgentConnection::new();
6962
6963        let (thread_view, cx) =
6964            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6965        add_to_workspace(thread_view.clone(), cx);
6966
6967        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6968        message_editor.update_in(cx, |editor, window, cx| {
6969            editor.set_text("Original message to edit", window, cx);
6970        });
6971        thread_view.update_in(cx, |thread_view, window, cx| {
6972            thread_view.send(window, cx);
6973        });
6974
6975        cx.run_until_parked();
6976
6977        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6978            let thread = view.thread().unwrap().read(cx);
6979            assert_eq!(thread.entries().len(), 1);
6980
6981            let editor = view
6982                .entry_view_state
6983                .read(cx)
6984                .entry(0)
6985                .unwrap()
6986                .message_editor()
6987                .unwrap()
6988                .clone();
6989
6990            (editor, thread.session_id().clone())
6991        });
6992
6993        // Focus
6994        cx.focus(&user_message_editor);
6995
6996        thread_view.read_with(cx, |view, _cx| {
6997            assert_eq!(view.editing_message, Some(0));
6998        });
6999
7000        // Edit
7001        user_message_editor.update_in(cx, |editor, window, cx| {
7002            editor.set_text("Edited message content", window, cx);
7003        });
7004
7005        thread_view.read_with(cx, |view, _cx| {
7006            assert_eq!(view.editing_message, Some(0));
7007        });
7008
7009        // Finish streaming response
7010        cx.update(|_, cx| {
7011            connection.send_update(
7012                session_id.clone(),
7013                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7014                    content: acp::ContentBlock::Text(acp::TextContent {
7015                        text: "Response".into(),
7016                        annotations: None,
7017                        meta: None,
7018                    }),
7019                    meta: None,
7020                }),
7021                cx,
7022            );
7023            connection.end_turn(session_id, acp::StopReason::EndTurn);
7024        });
7025
7026        thread_view.read_with(cx, |view, _cx| {
7027            assert_eq!(view.editing_message, Some(0));
7028        });
7029
7030        cx.run_until_parked();
7031
7032        // Should still be editing
7033        cx.update(|window, cx| {
7034            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7035            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7036            assert_eq!(
7037                user_message_editor.read(cx).text(cx),
7038                "Edited message content"
7039            );
7040        });
7041    }
7042
7043    #[gpui::test]
7044    async fn test_interrupt(cx: &mut TestAppContext) {
7045        init_test(cx);
7046
7047        let connection = StubAgentConnection::new();
7048
7049        let (thread_view, cx) =
7050            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7051        add_to_workspace(thread_view.clone(), cx);
7052
7053        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7054        message_editor.update_in(cx, |editor, window, cx| {
7055            editor.set_text("Message 1", window, cx);
7056        });
7057        thread_view.update_in(cx, |thread_view, window, cx| {
7058            thread_view.send(window, cx);
7059        });
7060
7061        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7062            let thread = view.thread().unwrap();
7063
7064            (thread.clone(), thread.read(cx).session_id().clone())
7065        });
7066
7067        cx.run_until_parked();
7068
7069        cx.update(|_, cx| {
7070            connection.send_update(
7071                session_id.clone(),
7072                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7073                    content: "Message 1 resp".into(),
7074                    meta: None,
7075                }),
7076                cx,
7077            );
7078        });
7079
7080        cx.run_until_parked();
7081
7082        thread.read_with(cx, |thread, cx| {
7083            assert_eq!(
7084                thread.to_markdown(cx),
7085                indoc::indoc! {"
7086                    ## User
7087
7088                    Message 1
7089
7090                    ## Assistant
7091
7092                    Message 1 resp
7093
7094                "}
7095            )
7096        });
7097
7098        message_editor.update_in(cx, |editor, window, cx| {
7099            editor.set_text("Message 2", window, cx);
7100        });
7101        thread_view.update_in(cx, |thread_view, window, cx| {
7102            thread_view.send(window, cx);
7103        });
7104
7105        cx.update(|_, cx| {
7106            // Simulate a response sent after beginning to cancel
7107            connection.send_update(
7108                session_id.clone(),
7109                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7110                    content: "onse".into(),
7111                    meta: None,
7112                }),
7113                cx,
7114            );
7115        });
7116
7117        cx.run_until_parked();
7118
7119        // Last Message 1 response should appear before Message 2
7120        thread.read_with(cx, |thread, cx| {
7121            assert_eq!(
7122                thread.to_markdown(cx),
7123                indoc::indoc! {"
7124                    ## User
7125
7126                    Message 1
7127
7128                    ## Assistant
7129
7130                    Message 1 response
7131
7132                    ## User
7133
7134                    Message 2
7135
7136                "}
7137            )
7138        });
7139
7140        cx.update(|_, cx| {
7141            connection.send_update(
7142                session_id.clone(),
7143                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7144                    content: "Message 2 response".into(),
7145                    meta: None,
7146                }),
7147                cx,
7148            );
7149            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7150        });
7151
7152        cx.run_until_parked();
7153
7154        thread.read_with(cx, |thread, cx| {
7155            assert_eq!(
7156                thread.to_markdown(cx),
7157                indoc::indoc! {"
7158                    ## User
7159
7160                    Message 1
7161
7162                    ## Assistant
7163
7164                    Message 1 response
7165
7166                    ## User
7167
7168                    Message 2
7169
7170                    ## Assistant
7171
7172                    Message 2 response
7173
7174                "}
7175            )
7176        });
7177    }
7178
7179    #[gpui::test]
7180    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7181        init_test(cx);
7182
7183        let connection = StubAgentConnection::new();
7184        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7185            acp::ContentChunk {
7186                content: acp::ContentBlock::Text(acp::TextContent {
7187                    text: "Response".into(),
7188                    annotations: None,
7189                    meta: None,
7190                }),
7191                meta: None,
7192            },
7193        )]);
7194
7195        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7196        add_to_workspace(thread_view.clone(), cx);
7197
7198        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7199        message_editor.update_in(cx, |editor, window, cx| {
7200            editor.set_text("Original message to edit", window, cx)
7201        });
7202        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7203        cx.run_until_parked();
7204
7205        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7206            thread_view
7207                .entry_view_state
7208                .read(cx)
7209                .entry(0)
7210                .expect("Should have at least one entry")
7211                .message_editor()
7212                .expect("Should have message editor")
7213                .clone()
7214        });
7215
7216        cx.focus(&user_message_editor);
7217        thread_view.read_with(cx, |thread_view, _cx| {
7218            assert_eq!(thread_view.editing_message, Some(0));
7219        });
7220
7221        // Ensure to edit the focused message before proceeding otherwise, since
7222        // its content is not different from what was sent, focus will be lost.
7223        user_message_editor.update_in(cx, |editor, window, cx| {
7224            editor.set_text("Original message to edit with ", window, cx)
7225        });
7226
7227        // Create a simple buffer with some text so we can create a selection
7228        // that will then be added to the message being edited.
7229        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7230            (thread_view.workspace.clone(), thread_view.project.clone())
7231        });
7232        let buffer = project.update(cx, |project, cx| {
7233            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7234        });
7235
7236        workspace
7237            .update_in(cx, |workspace, window, cx| {
7238                let editor = cx.new(|cx| {
7239                    let mut editor =
7240                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7241
7242                    editor.change_selections(Default::default(), window, cx, |selections| {
7243                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7244                    });
7245
7246                    editor
7247                });
7248                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7249            })
7250            .unwrap();
7251
7252        thread_view.update_in(cx, |thread_view, window, cx| {
7253            assert_eq!(thread_view.editing_message, Some(0));
7254            thread_view.insert_selections(window, cx);
7255        });
7256
7257        user_message_editor.read_with(cx, |editor, cx| {
7258            let text = editor.editor().read(cx).text(cx);
7259            let expected_text = String::from("Original message to edit with selection ");
7260
7261            assert_eq!(text, expected_text);
7262        });
7263    }
7264
7265    #[gpui::test]
7266    async fn test_insert_selections(cx: &mut TestAppContext) {
7267        init_test(cx);
7268
7269        let connection = StubAgentConnection::new();
7270        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7271            acp::ContentChunk {
7272                content: acp::ContentBlock::Text(acp::TextContent {
7273                    text: "Response".into(),
7274                    annotations: None,
7275                    meta: None,
7276                }),
7277                meta: None,
7278            },
7279        )]);
7280
7281        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7282        add_to_workspace(thread_view.clone(), cx);
7283
7284        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7285        message_editor.update_in(cx, |editor, window, cx| {
7286            editor.set_text("Can you review this snippet ", window, cx)
7287        });
7288
7289        // Create a simple buffer with some text so we can create a selection
7290        // that will then be added to the message being edited.
7291        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7292            (thread_view.workspace.clone(), thread_view.project.clone())
7293        });
7294        let buffer = project.update(cx, |project, cx| {
7295            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7296        });
7297
7298        workspace
7299            .update_in(cx, |workspace, window, cx| {
7300                let editor = cx.new(|cx| {
7301                    let mut editor =
7302                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7303
7304                    editor.change_selections(Default::default(), window, cx, |selections| {
7305                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
7306                    });
7307
7308                    editor
7309                });
7310                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7311            })
7312            .unwrap();
7313
7314        thread_view.update_in(cx, |thread_view, window, cx| {
7315            assert_eq!(thread_view.editing_message, None);
7316            thread_view.insert_selections(window, cx);
7317        });
7318
7319        thread_view.read_with(cx, |thread_view, cx| {
7320            let text = thread_view.message_editor.read(cx).text(cx);
7321            let expected_txt = String::from("Can you review this snippet selection ");
7322
7323            assert_eq!(text, expected_txt);
7324        })
7325    }
7326}