thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent::{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, bail};
  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::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  21use file_icons::FileIcons;
  22use fs::Fs;
  23use futures::FutureExt as _;
  24use gpui::{
  25    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  26    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  27    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  28    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  29    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  30};
  31use language::Buffer;
  32
  33use language_model::LanguageModelRegistry;
  34use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  35use project::{Project, ProjectEntryId};
  36use prompt_store::{PromptId, PromptStore};
  37use rope::Point;
  38use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  39use std::cell::RefCell;
  40use std::path::Path;
  41use std::sync::Arc;
  42use std::time::Instant;
  43use std::{collections::BTreeMap, rc::Rc, time::Duration};
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::ModeSelector;
  59use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  60use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  61use crate::agent_diff::AgentDiff;
  62use crate::profile_selector::{ProfileProvider, ProfileSelector};
  63
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66    UsageCallout,
  67};
  68use crate::{
  69    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  70    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
  71    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  72};
  73
  74#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  75enum ThreadFeedback {
  76    Positive,
  77    Negative,
  78}
  79
  80#[derive(Debug)]
  81enum ThreadError {
  82    PaymentRequired,
  83    ModelRequestLimitReached(cloud_llm_client::Plan),
  84    ToolUseLimitReached,
  85    Refusal,
  86    AuthenticationRequired(SharedString),
  87    Other(SharedString),
  88}
  89
  90impl ThreadError {
  91    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  92        if error.is::<language_model::PaymentRequiredError>() {
  93            Self::PaymentRequired
  94        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  95            Self::ToolUseLimitReached
  96        } else if let Some(error) =
  97            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  98        {
  99            Self::ModelRequestLimitReached(error.plan)
 100        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 101            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 102        {
 103            Self::AuthenticationRequired(acp_error.message.clone().into())
 104        } else {
 105            let string = error.to_string();
 106            // TODO: we should have Gemini return better errors here.
 107            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 108                && string.contains("Could not load the default credentials")
 109                || string.contains("API key not valid")
 110                || string.contains("Request had invalid authentication credentials")
 111            {
 112                Self::AuthenticationRequired(string.into())
 113            } else {
 114                Self::Other(error.to_string().into())
 115            }
 116        }
 117    }
 118}
 119
 120impl ProfileProvider for Entity<agent::Thread> {
 121    fn profile_id(&self, cx: &App) -> AgentProfileId {
 122        self.read(cx).profile().clone()
 123    }
 124
 125    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 126        self.update(cx, |thread, _cx| {
 127            thread.set_profile(profile_id);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_name = telemetry.agent_name();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                session_id = session_id,
 181                rating = rating,
 182                agent = agent_name,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_name = telemetry.agent_name();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                session_id = session_id,
 214                comments = comments,
 215                agent = agent_name,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    acp_agent: Option<Rc<dyn agent_servers::AcpAgentServer>>,
 264    workspace: WeakEntity<Workspace>,
 265    project: Entity<Project>,
 266    thread_state: ThreadState,
 267    auth_commands: HashMap<String, task::SpawnInTerminal>,
 268    history_store: Entity<HistoryStore>,
 269    hovered_recent_history_item: Option<usize>,
 270    entry_view_state: Entity<EntryViewState>,
 271    message_editor: Entity<MessageEditor>,
 272    focus_handle: FocusHandle,
 273    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 274    profile_selector: Option<Entity<ProfileSelector>>,
 275    notifications: Vec<WindowHandle<AgentNotification>>,
 276    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 277    thread_retry_status: Option<RetryStatus>,
 278    thread_error: Option<ThreadError>,
 279    thread_feedback: ThreadFeedbackState,
 280    list_state: ListState,
 281    auth_task: Option<Task<()>>,
 282    expanded_tool_calls: HashSet<acp::ToolCallId>,
 283    expanded_thinking_blocks: HashSet<(usize, usize)>,
 284    edits_expanded: bool,
 285    plan_expanded: bool,
 286    editor_expanded: bool,
 287    should_be_following: bool,
 288    editing_message: Option<usize>,
 289    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 290    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 291    is_loading_contents: bool,
 292    new_server_version_available: Option<SharedString>,
 293    resume_thread_metadata: Option<DbThreadMetadata>,
 294    _cancel_task: Option<Task<()>>,
 295    _subscriptions: [Subscription; 5],
 296    #[cfg(target_os = "windows")]
 297    show_codex_windows_warning: bool,
 298}
 299
 300enum ThreadState {
 301    Loading(Entity<LoadingView>),
 302    Ready {
 303        thread: Entity<AcpThread>,
 304        title_editor: Option<Entity<Editor>>,
 305        mode_selector: Option<Entity<ModeSelector>>,
 306        _subscriptions: Vec<Subscription>,
 307    },
 308    LoadError(LoadError),
 309    Unauthenticated {
 310        connection: Rc<dyn AgentConnection>,
 311        description: Option<Entity<Markdown>>,
 312        configuration_view: Option<AnyView>,
 313        pending_auth_method: Option<acp::AuthMethodId>,
 314        _subscription: Option<Subscription>,
 315    },
 316}
 317
 318struct LoadingView {
 319    title: SharedString,
 320    _load_task: Task<()>,
 321    _update_title_task: Task<anyhow::Result<()>>,
 322}
 323
 324impl AcpThreadView {
 325    pub fn new(
 326        agent: Rc<dyn AgentServer>,
 327        resume_thread: Option<DbThreadMetadata>,
 328        summarize_thread: Option<DbThreadMetadata>,
 329        workspace: WeakEntity<Workspace>,
 330        project: Entity<Project>,
 331        history_store: Entity<HistoryStore>,
 332        prompt_store: Option<Entity<PromptStore>>,
 333        window: &mut Window,
 334        cx: &mut Context<Self>,
 335    ) -> Self {
 336        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 337        let available_commands = Rc::new(RefCell::new(vec![]));
 338
 339        let placeholder = if agent.name() == "Zed Agent" {
 340            format!("Message the {} — @ to include context", agent.name())
 341        } else if agent.name() == "Claude Code"
 342            || agent.name() == "Codex"
 343            || !available_commands.borrow().is_empty()
 344        {
 345            format!(
 346                "Message {} — @ to include context, / for commands",
 347                agent.name()
 348            )
 349        } else {
 350            format!("Message {} — @ to include context", agent.name())
 351        };
 352
 353        let message_editor = cx.new(|cx| {
 354            let mut editor = MessageEditor::new(
 355                workspace.clone(),
 356                project.clone(),
 357                history_store.clone(),
 358                prompt_store.clone(),
 359                prompt_capabilities.clone(),
 360                available_commands.clone(),
 361                agent.name(),
 362                &placeholder,
 363                editor::EditorMode::AutoHeight {
 364                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 365                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 366                },
 367                window,
 368                cx,
 369            );
 370            if let Some(entry) = summarize_thread {
 371                editor.insert_thread_summary(entry, window, cx);
 372            }
 373            editor
 374        });
 375
 376        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 377
 378        let entry_view_state = cx.new(|_| {
 379            EntryViewState::new(
 380                workspace.clone(),
 381                project.clone(),
 382                history_store.clone(),
 383                prompt_store.clone(),
 384                prompt_capabilities.clone(),
 385                available_commands.clone(),
 386                agent.name(),
 387            )
 388        });
 389
 390        let agent_server_store = project.read(cx).agent_server_store().clone();
 391        let subscriptions = [
 392            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 393            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 394            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 395            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 396            cx.subscribe_in(
 397                &agent_server_store,
 398                window,
 399                Self::handle_agent_servers_updated,
 400            ),
 401        ];
 402
 403        #[cfg(target_os = "windows")]
 404        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 405            == Some(crate::ExternalAgent::Codex);
 406
 407        // Try to downcast to AcpAgentServer for ACP-specific functionality
 408        let acp_agent = agent
 409            .clone()
 410            .into_any()
 411            .downcast::<agent_servers::Gemini>()
 412            .map(|a| a as Rc<dyn agent_servers::AcpAgentServer>)
 413            .or_else(|_| {
 414                agent
 415                    .clone()
 416                    .into_any()
 417                    .downcast::<agent_servers::ClaudeCode>()
 418                    .map(|a| a as Rc<dyn agent_servers::AcpAgentServer>)
 419            })
 420            .or_else(|_| {
 421                agent
 422                    .clone()
 423                    .into_any()
 424                    .downcast::<agent_servers::Codex>()
 425                    .map(|a| a as Rc<dyn agent_servers::AcpAgentServer>)
 426            })
 427            .or_else(|_| {
 428                agent
 429                    .clone()
 430                    .into_any()
 431                    .downcast::<agent_servers::CustomAgentServer>()
 432                    .map(|a| a as Rc<dyn agent_servers::AcpAgentServer>)
 433            })
 434            .ok();
 435
 436        Self {
 437            agent: agent.clone(),
 438            acp_agent,
 439            workspace: workspace.clone(),
 440            project: project.clone(),
 441            entry_view_state,
 442            thread_state: Self::initial_state(
 443                agent.clone(),
 444                resume_thread.clone(),
 445                workspace.clone(),
 446                project.clone(),
 447                window,
 448                cx,
 449            ),
 450            auth_commands: HashMap::default(),
 451            message_editor,
 452            model_selector: None,
 453            profile_selector: None,
 454
 455            notifications: Vec::new(),
 456            notification_subscriptions: HashMap::default(),
 457            list_state: list_state,
 458            thread_retry_status: None,
 459            thread_error: None,
 460            thread_feedback: Default::default(),
 461            auth_task: None,
 462            expanded_tool_calls: HashSet::default(),
 463            expanded_thinking_blocks: HashSet::default(),
 464            editing_message: None,
 465            edits_expanded: false,
 466            plan_expanded: false,
 467            prompt_capabilities,
 468            available_commands,
 469            editor_expanded: false,
 470            should_be_following: false,
 471            history_store,
 472            hovered_recent_history_item: None,
 473            is_loading_contents: false,
 474            _subscriptions: subscriptions,
 475            _cancel_task: None,
 476            focus_handle: cx.focus_handle(),
 477            new_server_version_available: None,
 478            resume_thread_metadata: resume_thread,
 479            #[cfg(target_os = "windows")]
 480            show_codex_windows_warning,
 481        }
 482    }
 483
 484    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 485        self.thread_state = Self::initial_state(
 486            self.agent.clone(),
 487            self.resume_thread_metadata.clone(),
 488            self.workspace.clone(),
 489            self.project.clone(),
 490            window,
 491            cx,
 492        );
 493        self.available_commands.replace(vec![]);
 494        self.new_server_version_available.take();
 495        cx.notify();
 496    }
 497
 498    fn initial_state(
 499        agent: Rc<dyn AgentServer>,
 500        resume_thread: Option<DbThreadMetadata>,
 501        workspace: WeakEntity<Workspace>,
 502        project: Entity<Project>,
 503        window: &mut Window,
 504        cx: &mut Context<Self>,
 505    ) -> ThreadState {
 506        if project.read(cx).is_via_collab()
 507            && agent.clone().downcast::<NativeAgentServer>().is_none()
 508        {
 509            return ThreadState::LoadError(LoadError::Other(
 510                "External agents are not yet supported in shared projects.".into(),
 511            ));
 512        }
 513        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 514        // Pick the first non-single-file worktree for the root directory if there are any,
 515        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 516        worktrees.sort_by(|l, r| {
 517            l.read(cx)
 518                .is_single_file()
 519                .cmp(&r.read(cx).is_single_file())
 520        });
 521        let root_dir = worktrees
 522            .into_iter()
 523            .filter_map(|worktree| {
 524                if worktree.read(cx).is_single_file() {
 525                    Some(worktree.read(cx).abs_path().parent()?.into())
 526                } else {
 527                    Some(worktree.read(cx).abs_path())
 528                }
 529            })
 530            .next();
 531        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 532        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 533        let delegate = AgentServerDelegate::new(
 534            project.read(cx).agent_server_store().clone(),
 535            project.clone(),
 536            Some(status_tx),
 537            Some(new_version_available_tx),
 538        );
 539
 540        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 541        let load_task = cx.spawn_in(window, async move |this, cx| {
 542            let connection = match connect_task.await {
 543                Ok((connection, auth_commands)) => {
 544                    this.update(cx, |this, _| this.auth_commands = auth_commands)
 545                        .ok();
 546                    connection
 547                }
 548                Err(err) => {
 549                    this.update_in(cx, |this, window, cx| {
 550                        if err.downcast_ref::<LoadError>().is_some() {
 551                            this.handle_load_error(err, window, cx);
 552                        } else {
 553                            this.handle_thread_error(err, cx);
 554                        }
 555                        cx.notify();
 556                    })
 557                    .log_err();
 558                    return;
 559                }
 560            };
 561
 562            let result = if let Some(native_agent) = connection
 563                .clone()
 564                .downcast::<agent::NativeAgentConnection>()
 565                && let Some(resume) = resume_thread.clone()
 566            {
 567                cx.update(|_, cx| {
 568                    native_agent
 569                        .0
 570                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 571                })
 572                .log_err()
 573            } else {
 574                let root_dir = if let Some(acp_agent) = connection
 575                    .clone()
 576                    .downcast::<agent_servers::AcpConnection>()
 577                {
 578                    acp_agent.root_dir().into()
 579                } else {
 580                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 581                };
 582                cx.update(|_, cx| {
 583                    connection
 584                        .clone()
 585                        .new_thread(project.clone(), &root_dir, cx)
 586                })
 587                .log_err()
 588            };
 589
 590            let Some(result) = result else {
 591                return;
 592            };
 593
 594            let result = match result.await {
 595                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 596                    Ok(err) => {
 597                        cx.update(|window, cx| {
 598                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 599                        })
 600                        .log_err();
 601                        return;
 602                    }
 603                    Err(err) => Err(err),
 604                },
 605                Ok(thread) => Ok(thread),
 606            };
 607
 608            this.update_in(cx, |this, window, cx| {
 609                match result {
 610                    Ok(thread) => {
 611                        let action_log = thread.read(cx).action_log().clone();
 612
 613                        this.prompt_capabilities
 614                            .replace(thread.read(cx).prompt_capabilities());
 615
 616                        let count = thread.read(cx).entries().len();
 617                        this.entry_view_state.update(cx, |view_state, cx| {
 618                            for ix in 0..count {
 619                                view_state.sync_entry(ix, &thread, window, cx);
 620                            }
 621                            this.list_state.splice_focusable(
 622                                0..0,
 623                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 624                            );
 625                        });
 626
 627                        if let Some(resume) = resume_thread {
 628                            this.history_store.update(cx, |history, cx| {
 629                                history.push_recently_opened_entry(
 630                                    HistoryEntryId::AcpThread(resume.id),
 631                                    cx,
 632                                );
 633                            });
 634                        }
 635
 636                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 637
 638                        this.model_selector = thread
 639                            .read(cx)
 640                            .connection()
 641                            .model_selector(thread.read(cx).session_id())
 642                            .map(|selector| {
 643                                cx.new(|cx| {
 644                                    AcpModelSelectorPopover::new(
 645                                        selector,
 646                                        PopoverMenuHandle::default(),
 647                                        this.focus_handle(cx),
 648                                        window,
 649                                        cx,
 650                                    )
 651                                })
 652                            });
 653
 654                        let mode_selector = thread
 655                            .read(cx)
 656                            .connection()
 657                            .session_modes(thread.read(cx).session_id(), cx)
 658                            .map(|session_modes| {
 659                                let fs = this.project.read(cx).fs().clone();
 660                                let focus_handle = this.focus_handle(cx);
 661                                cx.new(|_cx| {
 662                                    ModeSelector::new(
 663                                        session_modes,
 664                                        this.agent.clone(),
 665                                        fs,
 666                                        focus_handle,
 667                                    )
 668                                })
 669                            });
 670
 671                        let mut subscriptions = vec![
 672                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 673                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 674                        ];
 675
 676                        let title_editor =
 677                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 678                                let editor = cx.new(|cx| {
 679                                    let mut editor = Editor::single_line(window, cx);
 680                                    editor.set_text(thread.read(cx).title(), window, cx);
 681                                    editor
 682                                });
 683                                subscriptions.push(cx.subscribe_in(
 684                                    &editor,
 685                                    window,
 686                                    Self::handle_title_editor_event,
 687                                ));
 688                                Some(editor)
 689                            } else {
 690                                None
 691                            };
 692
 693                        this.thread_state = ThreadState::Ready {
 694                            thread,
 695                            title_editor,
 696                            mode_selector,
 697                            _subscriptions: subscriptions,
 698                        };
 699                        this.message_editor.focus_handle(cx).focus(window);
 700
 701                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 702                            cx.new(|cx| {
 703                                ProfileSelector::new(
 704                                    <dyn Fs>::global(cx),
 705                                    Arc::new(thread.clone()),
 706                                    this.focus_handle(cx),
 707                                    cx,
 708                                )
 709                            })
 710                        });
 711
 712                        cx.notify();
 713                    }
 714                    Err(err) => {
 715                        this.handle_load_error(err, window, cx);
 716                    }
 717                };
 718            })
 719            .log_err();
 720        });
 721
 722        cx.spawn(async move |this, cx| {
 723            while let Ok(new_version) = new_version_available_rx.recv().await {
 724                if let Some(new_version) = new_version {
 725                    this.update(cx, |this, cx| {
 726                        this.new_server_version_available = Some(new_version.into());
 727                        cx.notify();
 728                    })
 729                    .log_err();
 730                }
 731            }
 732        })
 733        .detach();
 734
 735        let loading_view = cx.new(|cx| {
 736            let update_title_task = cx.spawn(async move |this, cx| {
 737                loop {
 738                    let status = status_rx.recv().await?;
 739                    this.update(cx, |this: &mut LoadingView, cx| {
 740                        this.title = status;
 741                        cx.notify();
 742                    })?;
 743                }
 744            });
 745
 746            LoadingView {
 747                title: "Loading…".into(),
 748                _load_task: load_task,
 749                _update_title_task: update_title_task,
 750            }
 751        });
 752
 753        ThreadState::Loading(loading_view)
 754    }
 755
 756    fn handle_auth_required(
 757        this: WeakEntity<Self>,
 758        err: AuthRequired,
 759        agent: Rc<dyn AgentServer>,
 760        connection: Rc<dyn AgentConnection>,
 761        window: &mut Window,
 762        cx: &mut App,
 763    ) {
 764        let agent_name = agent.name();
 765        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 766            let registry = LanguageModelRegistry::global(cx);
 767
 768            let sub = window.subscribe(&registry, cx, {
 769                let provider_id = provider_id.clone();
 770                let this = this.clone();
 771                move |_, ev, window, cx| {
 772                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 773                        && &provider_id == updated_provider_id
 774                        && LanguageModelRegistry::global(cx)
 775                            .read(cx)
 776                            .provider(&provider_id)
 777                            .map_or(false, |provider| provider.is_authenticated(cx))
 778                    {
 779                        this.update(cx, |this, cx| {
 780                            this.reset(window, cx);
 781                        })
 782                        .ok();
 783                    }
 784                }
 785            });
 786
 787            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 788                provider.configuration_view(
 789                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 790                    window,
 791                    cx,
 792                )
 793            });
 794
 795            (view, Some(sub))
 796        } else {
 797            (None, None)
 798        };
 799
 800        this.update(cx, |this, cx| {
 801            this.thread_state = ThreadState::Unauthenticated {
 802                pending_auth_method: None,
 803                connection,
 804                configuration_view,
 805                description: err
 806                    .description
 807                    .clone()
 808                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 809                _subscription: subscription,
 810            };
 811            if this.message_editor.focus_handle(cx).is_focused(window) {
 812                this.focus_handle.focus(window)
 813            }
 814            cx.notify();
 815        })
 816        .ok();
 817    }
 818
 819    fn handle_load_error(
 820        &mut self,
 821        err: anyhow::Error,
 822        window: &mut Window,
 823        cx: &mut Context<Self>,
 824    ) {
 825        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 826            self.thread_state = ThreadState::LoadError(load_err.clone());
 827        } else {
 828            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 829        }
 830        if self.message_editor.focus_handle(cx).is_focused(window) {
 831            self.focus_handle.focus(window)
 832        }
 833        cx.notify();
 834    }
 835
 836    fn handle_agent_servers_updated(
 837        &mut self,
 838        _agent_server_store: &Entity<project::AgentServerStore>,
 839        _event: &project::AgentServersUpdated,
 840        window: &mut Window,
 841        cx: &mut Context<Self>,
 842    ) {
 843        // If we're in a LoadError state OR have a thread_error set (which can happen
 844        // when agent.connect() fails during loading), retry loading the thread.
 845        // This handles the case where a thread is restored before authentication completes.
 846        let should_retry =
 847            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 848
 849        if should_retry {
 850            self.thread_error = None;
 851            self.reset(window, cx);
 852        }
 853    }
 854
 855    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 856        &self.workspace
 857    }
 858
 859    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 860        match &self.thread_state {
 861            ThreadState::Ready { thread, .. } => Some(thread),
 862            ThreadState::Unauthenticated { .. }
 863            | ThreadState::Loading { .. }
 864            | ThreadState::LoadError { .. } => None,
 865        }
 866    }
 867
 868    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 869        match &self.thread_state {
 870            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 871            ThreadState::Unauthenticated { .. }
 872            | ThreadState::Loading { .. }
 873            | ThreadState::LoadError { .. } => None,
 874        }
 875    }
 876
 877    pub fn title(&self, cx: &App) -> SharedString {
 878        match &self.thread_state {
 879            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 880            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 881            ThreadState::LoadError(error) => match error {
 882                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 883                LoadError::FailedToInstall(_) => {
 884                    format!("Failed to Install {}", self.agent.name()).into()
 885                }
 886                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 887                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 888            },
 889        }
 890    }
 891
 892    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 893        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 894            title_editor.clone()
 895        } else {
 896            None
 897        }
 898    }
 899
 900    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 901        self.thread_error.take();
 902        self.thread_retry_status.take();
 903
 904        if let Some(thread) = self.thread() {
 905            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 906        }
 907    }
 908
 909    pub fn expand_message_editor(
 910        &mut self,
 911        _: &ExpandMessageEditor,
 912        _window: &mut Window,
 913        cx: &mut Context<Self>,
 914    ) {
 915        self.set_editor_is_expanded(!self.editor_expanded, cx);
 916        cx.notify();
 917    }
 918
 919    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 920        self.editor_expanded = is_expanded;
 921        self.message_editor.update(cx, |editor, cx| {
 922            if is_expanded {
 923                editor.set_mode(
 924                    EditorMode::Full {
 925                        scale_ui_elements_with_buffer_font_size: false,
 926                        show_active_line_background: false,
 927                        sized_by_content: false,
 928                    },
 929                    cx,
 930                )
 931            } else {
 932                let agent_settings = AgentSettings::get_global(cx);
 933                editor.set_mode(
 934                    EditorMode::AutoHeight {
 935                        min_lines: agent_settings.message_editor_min_lines,
 936                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 937                    },
 938                    cx,
 939                )
 940            }
 941        });
 942        cx.notify();
 943    }
 944
 945    pub fn handle_title_editor_event(
 946        &mut self,
 947        title_editor: &Entity<Editor>,
 948        event: &EditorEvent,
 949        window: &mut Window,
 950        cx: &mut Context<Self>,
 951    ) {
 952        let Some(thread) = self.thread() else { return };
 953
 954        match event {
 955            EditorEvent::BufferEdited => {
 956                let new_title = title_editor.read(cx).text(cx);
 957                thread.update(cx, |thread, cx| {
 958                    thread
 959                        .set_title(new_title.into(), cx)
 960                        .detach_and_log_err(cx);
 961                })
 962            }
 963            EditorEvent::Blurred => {
 964                if title_editor.read(cx).text(cx).is_empty() {
 965                    title_editor.update(cx, |editor, cx| {
 966                        editor.set_text("New Thread", window, cx);
 967                    });
 968                }
 969            }
 970            _ => {}
 971        }
 972    }
 973
 974    pub fn handle_message_editor_event(
 975        &mut self,
 976        _: &Entity<MessageEditor>,
 977        event: &MessageEditorEvent,
 978        window: &mut Window,
 979        cx: &mut Context<Self>,
 980    ) {
 981        match event {
 982            MessageEditorEvent::Send => self.send(window, cx),
 983            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 984            MessageEditorEvent::Focus => {
 985                self.cancel_editing(&Default::default(), window, cx);
 986            }
 987            MessageEditorEvent::LostFocus => {}
 988        }
 989    }
 990
 991    pub fn handle_entry_view_event(
 992        &mut self,
 993        _: &Entity<EntryViewState>,
 994        event: &EntryViewEvent,
 995        window: &mut Window,
 996        cx: &mut Context<Self>,
 997    ) {
 998        match &event.view_event {
 999            ViewEvent::NewDiff(tool_call_id) => {
1000                if AgentSettings::get_global(cx).expand_edit_card {
1001                    self.expanded_tool_calls.insert(tool_call_id.clone());
1002                }
1003            }
1004            ViewEvent::NewTerminal(tool_call_id) => {
1005                if AgentSettings::get_global(cx).expand_terminal_card {
1006                    self.expanded_tool_calls.insert(tool_call_id.clone());
1007                }
1008            }
1009            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
1010                self.expanded_tool_calls.remove(tool_call_id);
1011            }
1012            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
1013                if let Some(thread) = self.thread()
1014                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1015                        thread.read(cx).entries().get(event.entry_index)
1016                    && user_message.id.is_some()
1017                {
1018                    self.editing_message = Some(event.entry_index);
1019                    cx.notify();
1020                }
1021            }
1022            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1023                if let Some(thread) = self.thread()
1024                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1025                        thread.read(cx).entries().get(event.entry_index)
1026                    && user_message.id.is_some()
1027                {
1028                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1029                        self.editing_message = None;
1030                        cx.notify();
1031                    }
1032                }
1033            }
1034            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1035                self.regenerate(event.entry_index, editor.clone(), window, cx);
1036            }
1037            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1038                self.cancel_editing(&Default::default(), window, cx);
1039            }
1040        }
1041    }
1042
1043    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1044        self.thread_error.take();
1045        let Some(thread) = self.thread() else {
1046            return;
1047        };
1048        if !thread.read(cx).can_resume(cx) {
1049            return;
1050        }
1051
1052        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1053        cx.spawn(async move |this, cx| {
1054            let result = task.await;
1055
1056            this.update(cx, |this, cx| {
1057                if let Err(err) = result {
1058                    this.handle_thread_error(err, cx);
1059                }
1060            })
1061        })
1062        .detach();
1063    }
1064
1065    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1066        let Some(thread) = self.thread() else { return };
1067
1068        if self.is_loading_contents {
1069            return;
1070        }
1071
1072        self.history_store.update(cx, |history, cx| {
1073            history.push_recently_opened_entry(
1074                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1075                cx,
1076            );
1077        });
1078
1079        if thread.read(cx).status() != ThreadStatus::Idle {
1080            self.stop_current_and_send_new_message(window, cx);
1081            return;
1082        }
1083
1084        let text = self.message_editor.read(cx).text(cx);
1085        let text = text.trim();
1086
1087        // Check if this is a login or logout command (only for ACP agents)
1088        let command_name = text.strip_prefix('/');
1089        let is_remote = self.project.read(cx).is_via_remote_server();
1090        let (login_commands, logout_commands) = if let Some(acp_agent) = &self.acp_agent {
1091            let login = if is_remote {
1092                acp_agent.remote_login_commands()
1093            } else {
1094                acp_agent.local_login_commands()
1095            };
1096            let logout = if is_remote {
1097                acp_agent.remote_logout_commands()
1098            } else {
1099                acp_agent.local_logout_commands()
1100            };
1101            (login, logout)
1102        } else {
1103            (vec![], vec![])
1104        };
1105        let is_login_command = if let Some(cmd) = command_name {
1106            login_commands.iter().any(|c| c == cmd)
1107        } else {
1108            false
1109        };
1110        let is_logout_command = if let Some(cmd) = command_name {
1111            logout_commands.iter().any(|c| c == cmd)
1112        } else {
1113            false
1114        };
1115
1116        if is_login_command || is_logout_command {
1117            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1118                return;
1119            };
1120
1121            let connection = thread.read(cx).connection().clone();
1122            let can_login = !connection.auth_methods().is_empty() || !self.auth_commands.is_empty();
1123
1124            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1125            let logout_supported = is_logout_command
1126                && self
1127                    .available_commands
1128                    .borrow()
1129                    .iter()
1130                    .any(|command| command_name == Some(command.name.as_str()));
1131
1132            if can_login && !logout_supported {
1133                self.message_editor
1134                    .update(cx, |editor, cx| editor.clear(window, cx));
1135
1136                let this = cx.weak_entity();
1137                let agent = self.agent.clone();
1138                window.defer(cx, |window, cx| {
1139                    Self::handle_auth_required(
1140                        this,
1141                        AuthRequired {
1142                            description: None,
1143                            provider_id: None,
1144                        },
1145                        agent,
1146                        connection,
1147                        window,
1148                        cx,
1149                    );
1150                });
1151                cx.notify();
1152                return;
1153            }
1154        }
1155
1156        self.send_impl(self.message_editor.clone(), window, cx)
1157    }
1158
1159    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1160        let Some(thread) = self.thread().cloned() else {
1161            return;
1162        };
1163
1164        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1165
1166        cx.spawn_in(window, async move |this, cx| {
1167            cancelled.await;
1168
1169            this.update_in(cx, |this, window, cx| {
1170                this.send_impl(this.message_editor.clone(), window, cx);
1171            })
1172            .ok();
1173        })
1174        .detach();
1175    }
1176
1177    fn send_impl(
1178        &mut self,
1179        message_editor: Entity<MessageEditor>,
1180        window: &mut Window,
1181        cx: &mut Context<Self>,
1182    ) {
1183        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1184            // Include full contents when using minimal profile
1185            let thread = thread.read(cx);
1186            AgentSettings::get_global(cx)
1187                .profiles
1188                .get(thread.profile())
1189                .is_some_and(|profile| profile.tools.is_empty())
1190        });
1191
1192        let contents = message_editor.update(cx, |message_editor, cx| {
1193            message_editor.contents(full_mention_content, cx)
1194        });
1195
1196        let agent_telemetry_id = self.agent.telemetry_id();
1197
1198        self.thread_error.take();
1199        self.editing_message.take();
1200        self.thread_feedback.clear();
1201
1202        let Some(thread) = self.thread() else {
1203            return;
1204        };
1205        let thread = thread.downgrade();
1206        if self.should_be_following {
1207            self.workspace
1208                .update(cx, |workspace, cx| {
1209                    workspace.follow(CollaboratorId::Agent, window, cx);
1210                })
1211                .ok();
1212        }
1213
1214        self.is_loading_contents = true;
1215        let guard = cx.new(|_| ());
1216        cx.observe_release(&guard, |this, _guard, cx| {
1217            this.is_loading_contents = false;
1218            cx.notify();
1219        })
1220        .detach();
1221
1222        let task = cx.spawn_in(window, async move |this, cx| {
1223            let (contents, tracked_buffers) = contents.await?;
1224
1225            if contents.is_empty() {
1226                return Ok(());
1227            }
1228
1229            this.update_in(cx, |this, window, cx| {
1230                this.set_editor_is_expanded(false, cx);
1231                this.scroll_to_bottom(cx);
1232                this.message_editor.update(cx, |message_editor, cx| {
1233                    message_editor.clear(window, cx);
1234                });
1235            })?;
1236            let send = thread.update(cx, |thread, cx| {
1237                thread.action_log().update(cx, |action_log, cx| {
1238                    for buffer in tracked_buffers {
1239                        action_log.buffer_read(buffer, cx)
1240                    }
1241                });
1242                drop(guard);
1243
1244                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1245
1246                thread.send(contents, cx)
1247            })?;
1248            send.await
1249        });
1250
1251        cx.spawn(async move |this, cx| {
1252            if let Err(err) = task.await {
1253                this.update(cx, |this, cx| {
1254                    this.handle_thread_error(err, cx);
1255                })
1256                .ok();
1257            } else {
1258                this.update(cx, |this, cx| {
1259                    this.should_be_following = this
1260                        .workspace
1261                        .update(cx, |workspace, _| {
1262                            workspace.is_being_followed(CollaboratorId::Agent)
1263                        })
1264                        .unwrap_or_default();
1265                })
1266                .ok();
1267            }
1268        })
1269        .detach();
1270    }
1271
1272    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1273        let Some(thread) = self.thread().cloned() else {
1274            return;
1275        };
1276
1277        if let Some(index) = self.editing_message.take()
1278            && let Some(editor) = self
1279                .entry_view_state
1280                .read(cx)
1281                .entry(index)
1282                .and_then(|e| e.message_editor())
1283                .cloned()
1284        {
1285            editor.update(cx, |editor, cx| {
1286                if let Some(user_message) = thread
1287                    .read(cx)
1288                    .entries()
1289                    .get(index)
1290                    .and_then(|e| e.user_message())
1291                {
1292                    editor.set_message(user_message.chunks.clone(), window, cx);
1293                }
1294            })
1295        };
1296        self.focus_handle(cx).focus(window);
1297        cx.notify();
1298    }
1299
1300    fn regenerate(
1301        &mut self,
1302        entry_ix: usize,
1303        message_editor: Entity<MessageEditor>,
1304        window: &mut Window,
1305        cx: &mut Context<Self>,
1306    ) {
1307        let Some(thread) = self.thread().cloned() else {
1308            return;
1309        };
1310        if self.is_loading_contents {
1311            return;
1312        }
1313
1314        let Some(user_message_id) = thread.update(cx, |thread, _| {
1315            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1316        }) else {
1317            return;
1318        };
1319
1320        cx.spawn_in(window, async move |this, cx| {
1321            thread
1322                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1323                .await?;
1324            this.update_in(cx, |this, window, cx| {
1325                this.send_impl(message_editor, window, cx);
1326            })?;
1327            anyhow::Ok(())
1328        })
1329        .detach();
1330    }
1331
1332    fn open_edited_buffer(
1333        &mut self,
1334        buffer: &Entity<Buffer>,
1335        window: &mut Window,
1336        cx: &mut Context<Self>,
1337    ) {
1338        let Some(thread) = self.thread() else {
1339            return;
1340        };
1341
1342        let Some(diff) =
1343            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1344        else {
1345            return;
1346        };
1347
1348        diff.update(cx, |diff, cx| {
1349            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1350        })
1351    }
1352
1353    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1354        let Some(thread) = self.as_native_thread(cx) else {
1355            return;
1356        };
1357        let project_context = thread.read(cx).project_context().read(cx);
1358
1359        let project_entry_ids = project_context
1360            .worktrees
1361            .iter()
1362            .flat_map(|worktree| worktree.rules_file.as_ref())
1363            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1364            .collect::<Vec<_>>();
1365
1366        self.workspace
1367            .update(cx, move |workspace, cx| {
1368                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1369                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1370                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1371                let project = workspace.project().read(cx);
1372                let project_paths = project_entry_ids
1373                    .into_iter()
1374                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1375                    .collect::<Vec<_>>();
1376                for project_path in project_paths {
1377                    workspace
1378                        .open_path(project_path, None, true, window, cx)
1379                        .detach_and_log_err(cx);
1380                }
1381            })
1382            .ok();
1383    }
1384
1385    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1386        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1387        cx.notify();
1388    }
1389
1390    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1391        self.thread_error = None;
1392        cx.notify();
1393    }
1394
1395    fn handle_thread_event(
1396        &mut self,
1397        thread: &Entity<AcpThread>,
1398        event: &AcpThreadEvent,
1399        window: &mut Window,
1400        cx: &mut Context<Self>,
1401    ) {
1402        match event {
1403            AcpThreadEvent::NewEntry => {
1404                let len = thread.read(cx).entries().len();
1405                let index = len - 1;
1406                self.entry_view_state.update(cx, |view_state, cx| {
1407                    view_state.sync_entry(index, thread, window, cx);
1408                    self.list_state.splice_focusable(
1409                        index..index,
1410                        [view_state
1411                            .entry(index)
1412                            .and_then(|entry| entry.focus_handle(cx))],
1413                    );
1414                });
1415            }
1416            AcpThreadEvent::EntryUpdated(index) => {
1417                self.entry_view_state.update(cx, |view_state, cx| {
1418                    view_state.sync_entry(*index, thread, window, cx)
1419                });
1420            }
1421            AcpThreadEvent::EntriesRemoved(range) => {
1422                self.entry_view_state
1423                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1424                self.list_state.splice(range.clone(), 0);
1425            }
1426            AcpThreadEvent::ToolAuthorizationRequired => {
1427                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1428            }
1429            AcpThreadEvent::Retry(retry) => {
1430                self.thread_retry_status = Some(retry.clone());
1431            }
1432            AcpThreadEvent::Stopped => {
1433                self.thread_retry_status.take();
1434                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1435                self.notify_with_sound(
1436                    if used_tools {
1437                        "Finished running tools"
1438                    } else {
1439                        "New message"
1440                    },
1441                    IconName::ZedAssistant,
1442                    window,
1443                    cx,
1444                );
1445            }
1446            AcpThreadEvent::Refusal => {
1447                self.thread_retry_status.take();
1448                self.thread_error = Some(ThreadError::Refusal);
1449                let model_or_agent_name = self.get_current_model_name(cx);
1450                let notification_message =
1451                    format!("{} refused to respond to this request", model_or_agent_name);
1452                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1453            }
1454            AcpThreadEvent::Error => {
1455                self.thread_retry_status.take();
1456                self.notify_with_sound(
1457                    "Agent stopped due to an error",
1458                    IconName::Warning,
1459                    window,
1460                    cx,
1461                );
1462            }
1463            AcpThreadEvent::LoadError(error) => {
1464                self.thread_retry_status.take();
1465                self.thread_state = ThreadState::LoadError(error.clone());
1466                if self.message_editor.focus_handle(cx).is_focused(window) {
1467                    self.focus_handle.focus(window)
1468                }
1469            }
1470            AcpThreadEvent::TitleUpdated => {
1471                let title = thread.read(cx).title();
1472                if let Some(title_editor) = self.title_editor() {
1473                    title_editor.update(cx, |editor, cx| {
1474                        if editor.text(cx) != title {
1475                            editor.set_text(title, window, cx);
1476                        }
1477                    });
1478                }
1479            }
1480            AcpThreadEvent::PromptCapabilitiesUpdated => {
1481                self.prompt_capabilities
1482                    .replace(thread.read(cx).prompt_capabilities());
1483            }
1484            AcpThreadEvent::TokenUsageUpdated => {}
1485            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1486                let mut available_commands = available_commands.clone();
1487
1488                // Add auth commands only for ACP agents
1489                if let Some(acp_agent) = &self.acp_agent {
1490                    let is_remote = self.project.read(cx).is_via_remote_server();
1491                    let login_commands = if is_remote {
1492                        acp_agent.remote_login_commands()
1493                    } else {
1494                        acp_agent.local_login_commands()
1495                    };
1496                    let logout_commands = if is_remote {
1497                        acp_agent.remote_logout_commands()
1498                    } else {
1499                        acp_agent.local_logout_commands()
1500                    };
1501
1502                    // Add login commands from the agent
1503                    for command_name in login_commands {
1504                        available_commands.push(acp::AvailableCommand {
1505                            name: command_name,
1506                            description: "Authenticate".to_owned(),
1507                            input: None,
1508                            meta: None,
1509                        });
1510                    }
1511
1512                    // Add logout commands from the agent
1513                    for command_name in logout_commands {
1514                        available_commands.push(acp::AvailableCommand {
1515                            name: command_name,
1516                            description: "Authenticate".to_owned(),
1517                            input: None,
1518                            meta: None,
1519                        });
1520                    }
1521                }
1522
1523                self.available_commands.replace(available_commands);
1524            }
1525            AcpThreadEvent::ModeUpdated(_mode) => {
1526                // The connection keeps track of the mode
1527                cx.notify();
1528            }
1529        }
1530        cx.notify();
1531    }
1532
1533    fn authenticate(
1534        &mut self,
1535        method: acp::AuthMethodId,
1536        window: &mut Window,
1537        cx: &mut Context<Self>,
1538    ) {
1539        let ThreadState::Unauthenticated {
1540            connection,
1541            pending_auth_method,
1542            configuration_view,
1543            ..
1544        } = &mut self.thread_state
1545        else {
1546            return;
1547        };
1548
1549        if method.0.as_ref() == "gemini-api-key" {
1550            let registry = LanguageModelRegistry::global(cx);
1551            let provider = registry
1552                .read(cx)
1553                .provider(&language_model::GOOGLE_PROVIDER_ID)
1554                .unwrap();
1555            if !provider.is_authenticated(cx) {
1556                let this = cx.weak_entity();
1557                let agent = self.agent.clone();
1558                let connection = connection.clone();
1559                window.defer(cx, |window, cx| {
1560                    Self::handle_auth_required(
1561                        this,
1562                        AuthRequired {
1563                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1564                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1565                        },
1566                        agent,
1567                        connection,
1568                        window,
1569                        cx,
1570                    );
1571                });
1572                return;
1573            }
1574        } else if method.0.as_ref() == "anthropic-api-key" {
1575            let registry = LanguageModelRegistry::global(cx);
1576            let provider = registry
1577                .read(cx)
1578                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1579                .unwrap();
1580            let this = cx.weak_entity();
1581            let agent = self.agent.clone();
1582            let connection = connection.clone();
1583            window.defer(cx, move |window, cx| {
1584                if !provider.is_authenticated(cx) {
1585                    Self::handle_auth_required(
1586                        this,
1587                        AuthRequired {
1588                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1589                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1590                        },
1591                        agent,
1592                        connection,
1593                        window,
1594                        cx,
1595                    );
1596                } else {
1597                    this.update(cx, |this, cx| {
1598                        this.thread_state = Self::initial_state(
1599                            agent,
1600                            None,
1601                            this.workspace.clone(),
1602                            this.project.clone(),
1603                            window,
1604                            cx,
1605                        )
1606                    })
1607                    .ok();
1608                }
1609            });
1610            return;
1611        } else if method.0.as_ref() == "vertex-ai"
1612            && std::env::var("GOOGLE_API_KEY").is_err()
1613            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1614                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1615        {
1616            let this = cx.weak_entity();
1617            let agent = self.agent.clone();
1618            let connection = connection.clone();
1619
1620            window.defer(cx, |window, cx| {
1621                    Self::handle_auth_required(
1622                        this,
1623                        AuthRequired {
1624                            description: Some(
1625                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1626                                    .to_owned(),
1627                            ),
1628                            provider_id: None,
1629                        },
1630                        agent,
1631                        connection,
1632                        window,
1633                        cx,
1634                    )
1635                });
1636            return;
1637        }
1638
1639        self.thread_error.take();
1640        configuration_view.take();
1641        pending_auth_method.replace(method.clone());
1642        let authenticate = if let Some(login) = self.auth_commands.get(method.0.as_ref()).cloned() {
1643            if let Some(workspace) = self.workspace.upgrade() {
1644                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1645            } else {
1646                Task::ready(Ok(()))
1647            }
1648        } else {
1649            connection.authenticate(method, cx)
1650        };
1651        cx.notify();
1652        self.auth_task =
1653            Some(cx.spawn_in(window, {
1654                let agent = self.agent.clone();
1655                async move |this, cx| {
1656                    let result = authenticate.await;
1657
1658                    match &result {
1659                        Ok(_) => telemetry::event!(
1660                            "Authenticate Agent Succeeded",
1661                            agent = agent.telemetry_id()
1662                        ),
1663                        Err(_) => {
1664                            telemetry::event!(
1665                                "Authenticate Agent Failed",
1666                                agent = agent.telemetry_id(),
1667                            )
1668                        }
1669                    }
1670
1671                    this.update_in(cx, |this, window, cx| {
1672                        if let Err(err) = result {
1673                            if let ThreadState::Unauthenticated {
1674                                pending_auth_method,
1675                                ..
1676                            } = &mut this.thread_state
1677                            {
1678                                pending_auth_method.take();
1679                            }
1680                            this.handle_thread_error(err, cx);
1681                        } else {
1682                            this.reset(window, cx);
1683                        }
1684                        this.auth_task.take()
1685                    })
1686                    .ok();
1687                }
1688            }));
1689    }
1690
1691    fn spawn_external_agent_login(
1692        login: task::SpawnInTerminal,
1693        workspace: Entity<Workspace>,
1694        previous_attempt: bool,
1695        window: &mut Window,
1696        cx: &mut App,
1697    ) -> Task<Result<()>> {
1698        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1699            return Task::ready(Ok(()));
1700        };
1701        let project = workspace.read(cx).project().clone();
1702
1703        window.spawn(cx, async move |cx| {
1704            let mut task = login.clone();
1705            task.shell = task::Shell::WithArguments {
1706                program: task.command.take().expect("login command should be set"),
1707                args: std::mem::take(&mut task.args),
1708                title_override: None
1709            };
1710            task.full_label = task.label.clone();
1711            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1712            task.command_label = task.label.clone();
1713            task.use_new_terminal = true;
1714            task.allow_concurrent_runs = true;
1715            task.hide = task::HideStrategy::Always;
1716
1717            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1718                terminal_panel.spawn_task(&task, window, cx)
1719            })?;
1720
1721            let terminal = terminal.await?;
1722            let mut exit_status = terminal
1723                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1724                .fuse();
1725
1726            let logged_in = cx
1727                .spawn({
1728                    let terminal = terminal.clone();
1729                    async move |cx| {
1730                        loop {
1731                            cx.background_executor().timer(Duration::from_secs(1)).await;
1732                            let content =
1733                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1734                            if content.contains("Login successful")
1735                                || content.contains("Type your message")
1736                            {
1737                                return anyhow::Ok(());
1738                            }
1739                        }
1740                    }
1741                })
1742                .fuse();
1743            futures::pin_mut!(logged_in);
1744            futures::select_biased! {
1745                result = logged_in => {
1746                    if let Err(e) = result {
1747                        log::error!("{e}");
1748                        return Err(anyhow!("exited before logging in"));
1749                    }
1750                }
1751                _ = exit_status => {
1752                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1753                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1754                    }
1755                    return Err(anyhow!("exited before logging in"));
1756                }
1757            }
1758            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1759            Ok(())
1760        })
1761    }
1762
1763    fn authorize_tool_call(
1764        &mut self,
1765        tool_call_id: acp::ToolCallId,
1766        option_id: acp::PermissionOptionId,
1767        option_kind: acp::PermissionOptionKind,
1768        window: &mut Window,
1769        cx: &mut Context<Self>,
1770    ) {
1771        let Some(thread) = self.thread() else {
1772            return;
1773        };
1774        thread.update(cx, |thread, cx| {
1775            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1776        });
1777        if self.should_be_following {
1778            self.workspace
1779                .update(cx, |workspace, cx| {
1780                    workspace.follow(CollaboratorId::Agent, window, cx);
1781                })
1782                .ok();
1783        }
1784        cx.notify();
1785    }
1786
1787    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1788        let Some(thread) = self.thread() else {
1789            return;
1790        };
1791
1792        thread
1793            .update(cx, |thread, cx| {
1794                thread.restore_checkpoint(message_id.clone(), cx)
1795            })
1796            .detach_and_log_err(cx);
1797    }
1798
1799    fn render_entry(
1800        &self,
1801        entry_ix: usize,
1802        total_entries: usize,
1803        entry: &AgentThreadEntry,
1804        window: &mut Window,
1805        cx: &Context<Self>,
1806    ) -> AnyElement {
1807        let primary = match &entry {
1808            AgentThreadEntry::UserMessage(message) => {
1809                let Some(editor) = self
1810                    .entry_view_state
1811                    .read(cx)
1812                    .entry(entry_ix)
1813                    .and_then(|entry| entry.message_editor())
1814                    .cloned()
1815                else {
1816                    return Empty.into_any_element();
1817                };
1818
1819                let editing = self.editing_message == Some(entry_ix);
1820                let editor_focus = editor.focus_handle(cx).is_focused(window);
1821                let focus_border = cx.theme().colors().border_focused;
1822
1823                let rules_item = if entry_ix == 0 {
1824                    self.render_rules_item(cx)
1825                } else {
1826                    None
1827                };
1828
1829                let has_checkpoint_button = message
1830                    .checkpoint
1831                    .as_ref()
1832                    .is_some_and(|checkpoint| checkpoint.show);
1833
1834                let agent_name = self.agent.name();
1835
1836                v_flex()
1837                    .id(("user_message", entry_ix))
1838                    .map(|this| {
1839                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1840                            this.pt(rems_from_px(18.))
1841                        } else if rules_item.is_some() {
1842                            this.pt_3()
1843                        } else {
1844                            this.pt_2()
1845                        }
1846                    })
1847                    .pb_3()
1848                    .px_2()
1849                    .gap_1p5()
1850                    .w_full()
1851                    .children(rules_item)
1852                    .children(message.id.clone().and_then(|message_id| {
1853                        message.checkpoint.as_ref()?.show.then(|| {
1854                            h_flex()
1855                                .px_3()
1856                                .gap_2()
1857                                .child(Divider::horizontal())
1858                                .child(
1859                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1860                                        .icon(IconName::Undo)
1861                                        .icon_size(IconSize::XSmall)
1862                                        .icon_position(IconPosition::Start)
1863                                        .label_size(LabelSize::XSmall)
1864                                        .icon_color(Color::Muted)
1865                                        .color(Color::Muted)
1866                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1867                                        .on_click(cx.listener(move |this, _, _window, cx| {
1868                                            this.restore_checkpoint(&message_id, cx);
1869                                        }))
1870                                )
1871                                .child(Divider::horizontal())
1872                        })
1873                    }))
1874                    .child(
1875                        div()
1876                            .relative()
1877                            .child(
1878                                div()
1879                                    .py_3()
1880                                    .px_2()
1881                                    .rounded_md()
1882                                    .shadow_md()
1883                                    .bg(cx.theme().colors().editor_background)
1884                                    .border_1()
1885                                    .when(editing && !editor_focus, |this| this.border_dashed())
1886                                    .border_color(cx.theme().colors().border)
1887                                    .map(|this|{
1888                                        if editing && editor_focus {
1889                                            this.border_color(focus_border)
1890                                        } else if message.id.is_some() {
1891                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1892                                        } else {
1893                                            this
1894                                        }
1895                                    })
1896                                    .text_xs()
1897                                    .child(editor.clone().into_any_element()),
1898                            )
1899                            .when(editor_focus, |this| {
1900                                let base_container = h_flex()
1901                                    .absolute()
1902                                    .top_neg_3p5()
1903                                    .right_3()
1904                                    .gap_1()
1905                                    .rounded_sm()
1906                                    .border_1()
1907                                    .border_color(cx.theme().colors().border)
1908                                    .bg(cx.theme().colors().editor_background)
1909                                    .overflow_hidden();
1910
1911                                if message.id.is_some() {
1912                                    this.child(
1913                                        base_container
1914                                            .child(
1915                                                IconButton::new("cancel", IconName::Close)
1916                                                    .disabled(self.is_loading_contents)
1917                                                    .icon_color(Color::Error)
1918                                                    .icon_size(IconSize::XSmall)
1919                                                    .on_click(cx.listener(Self::cancel_editing))
1920                                            )
1921                                            .child(
1922                                                if self.is_loading_contents {
1923                                                    div()
1924                                                        .id("loading-edited-message-content")
1925                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1926                                                        .child(loading_contents_spinner(IconSize::XSmall))
1927                                                        .into_any_element()
1928                                                } else {
1929                                                    IconButton::new("regenerate", IconName::Return)
1930                                                        .icon_color(Color::Muted)
1931                                                        .icon_size(IconSize::XSmall)
1932                                                        .tooltip(Tooltip::text(
1933                                                            "Editing will restart the thread from this point."
1934                                                        ))
1935                                                        .on_click(cx.listener({
1936                                                            let editor = editor.clone();
1937                                                            move |this, _, window, cx| {
1938                                                                this.regenerate(
1939                                                                    entry_ix, editor.clone(), window, cx,
1940                                                                );
1941                                                            }
1942                                                        })).into_any_element()
1943                                                }
1944                                            )
1945                                    )
1946                                } else {
1947                                    this.child(
1948                                        base_container
1949                                            .border_dashed()
1950                                            .child(
1951                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1952                                                    .icon_size(IconSize::Small)
1953                                                    .icon_color(Color::Muted)
1954                                                    .style(ButtonStyle::Transparent)
1955                                                    .tooltip(move |_window, cx| {
1956                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1957                                                            .into()
1958                                                    })
1959                                            )
1960                                    )
1961                                }
1962                            }),
1963                    )
1964                    .into_any()
1965            }
1966            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1967                let is_last = entry_ix + 1 == total_entries;
1968
1969                let style = default_markdown_style(false, false, window, cx);
1970                let message_body = v_flex()
1971                    .w_full()
1972                    .gap_3()
1973                    .children(chunks.iter().enumerate().filter_map(
1974                        |(chunk_ix, chunk)| match chunk {
1975                            AssistantMessageChunk::Message { block } => {
1976                                block.markdown().map(|md| {
1977                                    self.render_markdown(md.clone(), style.clone())
1978                                        .into_any_element()
1979                                })
1980                            }
1981                            AssistantMessageChunk::Thought { block } => {
1982                                block.markdown().map(|md| {
1983                                    self.render_thinking_block(
1984                                        entry_ix,
1985                                        chunk_ix,
1986                                        md.clone(),
1987                                        window,
1988                                        cx,
1989                                    )
1990                                    .into_any_element()
1991                                })
1992                            }
1993                        },
1994                    ))
1995                    .into_any();
1996
1997                v_flex()
1998                    .px_5()
1999                    .py_1p5()
2000                    .when(is_last, |this| this.pb_4())
2001                    .w_full()
2002                    .text_ui(cx)
2003                    .child(message_body)
2004                    .into_any()
2005            }
2006            AgentThreadEntry::ToolCall(tool_call) => {
2007                let has_terminals = tool_call.terminals().next().is_some();
2008
2009                div().w_full().map(|this| {
2010                    if has_terminals {
2011                        this.children(tool_call.terminals().map(|terminal| {
2012                            self.render_terminal_tool_call(
2013                                entry_ix, terminal, tool_call, window, cx,
2014                            )
2015                        }))
2016                    } else {
2017                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2018                    }
2019                })
2020            }
2021            .into_any(),
2022        };
2023
2024        let Some(thread) = self.thread() else {
2025            return primary;
2026        };
2027
2028        let primary = if entry_ix == total_entries - 1 {
2029            v_flex()
2030                .w_full()
2031                .child(primary)
2032                .child(self.render_thread_controls(&thread, cx))
2033                .when_some(
2034                    self.thread_feedback.comments_editor.clone(),
2035                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2036                )
2037                .into_any_element()
2038        } else {
2039            primary
2040        };
2041
2042        if let Some(editing_index) = self.editing_message.as_ref()
2043            && *editing_index < entry_ix
2044        {
2045            let backdrop = div()
2046                .id(("backdrop", entry_ix))
2047                .size_full()
2048                .absolute()
2049                .inset_0()
2050                .bg(cx.theme().colors().panel_background)
2051                .opacity(0.8)
2052                .block_mouse_except_scroll()
2053                .on_click(cx.listener(Self::cancel_editing));
2054
2055            div()
2056                .relative()
2057                .child(primary)
2058                .child(backdrop)
2059                .into_any_element()
2060        } else {
2061            primary
2062        }
2063    }
2064
2065    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2066        cx.theme()
2067            .colors()
2068            .element_background
2069            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2070    }
2071
2072    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2073        cx.theme().colors().border.opacity(0.8)
2074    }
2075
2076    fn tool_name_font_size(&self) -> Rems {
2077        rems_from_px(13.)
2078    }
2079
2080    fn render_thinking_block(
2081        &self,
2082        entry_ix: usize,
2083        chunk_ix: usize,
2084        chunk: Entity<Markdown>,
2085        window: &Window,
2086        cx: &Context<Self>,
2087    ) -> AnyElement {
2088        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2089        let card_header_id = SharedString::from("inner-card-header");
2090
2091        let key = (entry_ix, chunk_ix);
2092
2093        let is_open = self.expanded_thinking_blocks.contains(&key);
2094
2095        let scroll_handle = self
2096            .entry_view_state
2097            .read(cx)
2098            .entry(entry_ix)
2099            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2100
2101        let thinking_content = {
2102            div()
2103                .id(("thinking-content", chunk_ix))
2104                .when_some(scroll_handle, |this, scroll_handle| {
2105                    this.track_scroll(&scroll_handle)
2106                })
2107                .text_ui_sm(cx)
2108                .overflow_hidden()
2109                .child(
2110                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2111                )
2112        };
2113
2114        v_flex()
2115            .gap_1()
2116            .child(
2117                h_flex()
2118                    .id(header_id)
2119                    .group(&card_header_id)
2120                    .relative()
2121                    .w_full()
2122                    .pr_1()
2123                    .justify_between()
2124                    .child(
2125                        h_flex()
2126                            .h(window.line_height() - px(2.))
2127                            .gap_1p5()
2128                            .overflow_hidden()
2129                            .child(
2130                                Icon::new(IconName::ToolThink)
2131                                    .size(IconSize::Small)
2132                                    .color(Color::Muted),
2133                            )
2134                            .child(
2135                                div()
2136                                    .text_size(self.tool_name_font_size())
2137                                    .text_color(cx.theme().colors().text_muted)
2138                                    .child("Thinking"),
2139                            ),
2140                    )
2141                    .child(
2142                        Disclosure::new(("expand", entry_ix), is_open)
2143                            .opened_icon(IconName::ChevronUp)
2144                            .closed_icon(IconName::ChevronDown)
2145                            .visible_on_hover(&card_header_id)
2146                            .on_click(cx.listener({
2147                                move |this, _event, _window, cx| {
2148                                    if is_open {
2149                                        this.expanded_thinking_blocks.remove(&key);
2150                                    } else {
2151                                        this.expanded_thinking_blocks.insert(key);
2152                                    }
2153                                    cx.notify();
2154                                }
2155                            })),
2156                    )
2157                    .on_click(cx.listener({
2158                        move |this, _event, _window, cx| {
2159                            if is_open {
2160                                this.expanded_thinking_blocks.remove(&key);
2161                            } else {
2162                                this.expanded_thinking_blocks.insert(key);
2163                            }
2164                            cx.notify();
2165                        }
2166                    })),
2167            )
2168            .when(is_open, |this| {
2169                this.child(
2170                    div()
2171                        .ml_1p5()
2172                        .pl_3p5()
2173                        .border_l_1()
2174                        .border_color(self.tool_card_border_color(cx))
2175                        .child(thinking_content),
2176                )
2177            })
2178            .into_any_element()
2179    }
2180
2181    fn render_tool_call(
2182        &self,
2183        entry_ix: usize,
2184        tool_call: &ToolCall,
2185        window: &Window,
2186        cx: &Context<Self>,
2187    ) -> Div {
2188        let has_location = tool_call.locations.len() == 1;
2189        let card_header_id = SharedString::from("inner-tool-call-header");
2190
2191        let failed_or_canceled = match &tool_call.status {
2192            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2193            _ => false,
2194        };
2195
2196        let needs_confirmation = matches!(
2197            tool_call.status,
2198            ToolCallStatus::WaitingForConfirmation { .. }
2199        );
2200        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2201        let is_edit =
2202            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2203
2204        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2205
2206        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2207
2208        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2209
2210        let tool_output_display =
2211            if is_open {
2212                match &tool_call.status {
2213                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2214                        .w_full()
2215                        .children(tool_call.content.iter().enumerate().map(
2216                            |(content_ix, content)| {
2217                                div()
2218                                    .child(self.render_tool_call_content(
2219                                        entry_ix,
2220                                        content,
2221                                        content_ix,
2222                                        tool_call,
2223                                        use_card_layout,
2224                                        window,
2225                                        cx,
2226                                    ))
2227                                    .into_any_element()
2228                            },
2229                        ))
2230                        .child(self.render_permission_buttons(
2231                            tool_call.kind,
2232                            options,
2233                            entry_ix,
2234                            tool_call.id.clone(),
2235                            window,
2236                            cx,
2237                        ))
2238                        .into_any(),
2239                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2240                        if is_edit
2241                            && tool_call.content.is_empty()
2242                            && self.as_native_connection(cx).is_some() =>
2243                    {
2244                        self.render_diff_loading(cx).into_any()
2245                    }
2246                    ToolCallStatus::Pending
2247                    | ToolCallStatus::InProgress
2248                    | ToolCallStatus::Completed
2249                    | ToolCallStatus::Failed
2250                    | ToolCallStatus::Canceled => v_flex()
2251                        .w_full()
2252                        .children(tool_call.content.iter().enumerate().map(
2253                            |(content_ix, content)| {
2254                                div().child(self.render_tool_call_content(
2255                                    entry_ix,
2256                                    content,
2257                                    content_ix,
2258                                    tool_call,
2259                                    use_card_layout,
2260                                    window,
2261                                    cx,
2262                                ))
2263                            },
2264                        ))
2265                        .into_any(),
2266                    ToolCallStatus::Rejected => Empty.into_any(),
2267                }
2268                .into()
2269            } else {
2270                None
2271            };
2272
2273        v_flex()
2274            .map(|this| {
2275                if use_card_layout {
2276                    this.my_1p5()
2277                        .rounded_md()
2278                        .border_1()
2279                        .border_color(self.tool_card_border_color(cx))
2280                        .bg(cx.theme().colors().editor_background)
2281                        .overflow_hidden()
2282                } else {
2283                    this.my_1()
2284                }
2285            })
2286            .map(|this| {
2287                if has_location && !use_card_layout {
2288                    this.ml_4()
2289                } else {
2290                    this.ml_5()
2291                }
2292            })
2293            .mr_5()
2294            .map(|this| {
2295                if is_terminal_tool {
2296                    this.child(
2297                        v_flex()
2298                            .p_1p5()
2299                            .gap_0p5()
2300                            .text_ui_sm(cx)
2301                            .bg(self.tool_card_header_bg(cx))
2302                            .child(
2303                                Label::new("Run Command")
2304                                    .buffer_font(cx)
2305                                    .size(LabelSize::XSmall)
2306                                    .color(Color::Muted),
2307                            )
2308                            .child(
2309                                MarkdownElement::new(
2310                                    tool_call.label.clone(),
2311                                    terminal_command_markdown_style(window, cx),
2312                                )
2313                                .code_block_renderer(
2314                                    markdown::CodeBlockRenderer::Default {
2315                                        copy_button: false,
2316                                        copy_button_on_hover: false,
2317                                        border: false,
2318                                    },
2319                                )
2320                            ),
2321                    )
2322                } else {
2323                   this.child(
2324                        h_flex()
2325                            .group(&card_header_id)
2326                            .relative()
2327                            .w_full()
2328                            .gap_1()
2329                            .justify_between()
2330                            .when(use_card_layout, |this| {
2331                                this.p_0p5()
2332                                    .rounded_t(rems_from_px(5.))
2333                                    .bg(self.tool_card_header_bg(cx))
2334                            })
2335                            .child(self.render_tool_call_label(
2336                                entry_ix,
2337                                tool_call,
2338                                is_edit,
2339                                use_card_layout,
2340                                window,
2341                                cx,
2342                            ))
2343                            .when(is_collapsible || failed_or_canceled, |this| {
2344                                this.child(
2345                                    h_flex()
2346                                        .px_1()
2347                                        .gap_px()
2348                                        .when(is_collapsible, |this| {
2349                                            this.child(
2350                                            Disclosure::new(("expand", entry_ix), is_open)
2351                                                .opened_icon(IconName::ChevronUp)
2352                                                .closed_icon(IconName::ChevronDown)
2353                                                .visible_on_hover(&card_header_id)
2354                                                .on_click(cx.listener({
2355                                                    let id = tool_call.id.clone();
2356                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2357                                                        if is_open {
2358                                                            this.expanded_tool_calls.remove(&id);
2359                                                        } else {
2360                                                            this.expanded_tool_calls.insert(id.clone());
2361                                                        }
2362                                                        cx.notify();
2363                                                    }
2364                                                })),
2365                                        )
2366                                        })
2367                                        .when(failed_or_canceled, |this| {
2368                                            this.child(
2369                                                Icon::new(IconName::Close)
2370                                                    .color(Color::Error)
2371                                                    .size(IconSize::Small),
2372                                            )
2373                                        }),
2374                                )
2375                            }),
2376                    )
2377                }
2378            })
2379            .children(tool_output_display)
2380    }
2381
2382    fn render_tool_call_label(
2383        &self,
2384        entry_ix: usize,
2385        tool_call: &ToolCall,
2386        is_edit: bool,
2387        use_card_layout: bool,
2388        window: &Window,
2389        cx: &Context<Self>,
2390    ) -> Div {
2391        let has_location = tool_call.locations.len() == 1;
2392
2393        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2394            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2395                .map(Icon::from_path)
2396                .unwrap_or(Icon::new(IconName::ToolPencil))
2397        } else {
2398            Icon::new(match tool_call.kind {
2399                acp::ToolKind::Read => IconName::ToolSearch,
2400                acp::ToolKind::Edit => IconName::ToolPencil,
2401                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2402                acp::ToolKind::Move => IconName::ArrowRightLeft,
2403                acp::ToolKind::Search => IconName::ToolSearch,
2404                acp::ToolKind::Execute => IconName::ToolTerminal,
2405                acp::ToolKind::Think => IconName::ToolThink,
2406                acp::ToolKind::Fetch => IconName::ToolWeb,
2407                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2408                acp::ToolKind::Other => IconName::ToolHammer,
2409            })
2410        }
2411        .size(IconSize::Small)
2412        .color(Color::Muted);
2413
2414        let gradient_overlay = {
2415            div()
2416                .absolute()
2417                .top_0()
2418                .right_0()
2419                .w_12()
2420                .h_full()
2421                .map(|this| {
2422                    if use_card_layout {
2423                        this.bg(linear_gradient(
2424                            90.,
2425                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2426                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2427                        ))
2428                    } else {
2429                        this.bg(linear_gradient(
2430                            90.,
2431                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2432                            linear_color_stop(
2433                                cx.theme().colors().panel_background.opacity(0.2),
2434                                0.,
2435                            ),
2436                        ))
2437                    }
2438                })
2439        };
2440
2441        h_flex()
2442            .relative()
2443            .w_full()
2444            .h(window.line_height() - px(2.))
2445            .text_size(self.tool_name_font_size())
2446            .gap_1p5()
2447            .when(has_location || use_card_layout, |this| this.px_1())
2448            .when(has_location, |this| {
2449                this.cursor(CursorStyle::PointingHand)
2450                    .rounded(rems_from_px(3.)) // Concentric border radius
2451                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2452            })
2453            .overflow_hidden()
2454            .child(tool_icon)
2455            .child(if has_location {
2456                h_flex()
2457                    .id(("open-tool-call-location", entry_ix))
2458                    .w_full()
2459                    .map(|this| {
2460                        if use_card_layout {
2461                            this.text_color(cx.theme().colors().text)
2462                        } else {
2463                            this.text_color(cx.theme().colors().text_muted)
2464                        }
2465                    })
2466                    .child(self.render_markdown(
2467                        tool_call.label.clone(),
2468                        MarkdownStyle {
2469                            prevent_mouse_interaction: true,
2470                            ..default_markdown_style(false, true, window, cx)
2471                        },
2472                    ))
2473                    .tooltip(Tooltip::text("Jump to File"))
2474                    .on_click(cx.listener(move |this, _, window, cx| {
2475                        this.open_tool_call_location(entry_ix, 0, window, cx);
2476                    }))
2477                    .into_any_element()
2478            } else {
2479                h_flex()
2480                    .w_full()
2481                    .child(self.render_markdown(
2482                        tool_call.label.clone(),
2483                        default_markdown_style(false, true, window, cx),
2484                    ))
2485                    .into_any()
2486            })
2487            .when(!is_edit, |this| this.child(gradient_overlay))
2488    }
2489
2490    fn render_tool_call_content(
2491        &self,
2492        entry_ix: usize,
2493        content: &ToolCallContent,
2494        context_ix: usize,
2495        tool_call: &ToolCall,
2496        card_layout: bool,
2497        window: &Window,
2498        cx: &Context<Self>,
2499    ) -> AnyElement {
2500        match content {
2501            ToolCallContent::ContentBlock(content) => {
2502                if let Some(resource_link) = content.resource_link() {
2503                    self.render_resource_link(resource_link, cx)
2504                } else if let Some(markdown) = content.markdown() {
2505                    self.render_markdown_output(
2506                        markdown.clone(),
2507                        tool_call.id.clone(),
2508                        context_ix,
2509                        card_layout,
2510                        window,
2511                        cx,
2512                    )
2513                } else {
2514                    Empty.into_any_element()
2515                }
2516            }
2517            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2518            ToolCallContent::Terminal(terminal) => {
2519                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2520            }
2521        }
2522    }
2523
2524    fn render_markdown_output(
2525        &self,
2526        markdown: Entity<Markdown>,
2527        tool_call_id: acp::ToolCallId,
2528        context_ix: usize,
2529        card_layout: bool,
2530        window: &Window,
2531        cx: &Context<Self>,
2532    ) -> AnyElement {
2533        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2534
2535        v_flex()
2536            .mt_1p5()
2537            .gap_2()
2538            .when(!card_layout, |this| {
2539                this.ml(rems(0.4))
2540                    .px_3p5()
2541                    .border_l_1()
2542                    .border_color(self.tool_card_border_color(cx))
2543            })
2544            .when(card_layout, |this| {
2545                this.px_2().pb_2().when(context_ix > 0, |this| {
2546                    this.border_t_1()
2547                        .pt_2()
2548                        .border_color(self.tool_card_border_color(cx))
2549                })
2550            })
2551            .text_xs()
2552            .text_color(cx.theme().colors().text_muted)
2553            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2554            .when(!card_layout, |this| {
2555                this.child(
2556                    IconButton::new(button_id, IconName::ChevronUp)
2557                        .full_width()
2558                        .style(ButtonStyle::Outlined)
2559                        .icon_color(Color::Muted)
2560                        .on_click(cx.listener({
2561                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2562                                this.expanded_tool_calls.remove(&tool_call_id);
2563                                cx.notify();
2564                            }
2565                        })),
2566                )
2567            })
2568            .into_any_element()
2569    }
2570
2571    fn render_resource_link(
2572        &self,
2573        resource_link: &acp::ResourceLink,
2574        cx: &Context<Self>,
2575    ) -> AnyElement {
2576        let uri: SharedString = resource_link.uri.clone().into();
2577        let is_file = resource_link.uri.strip_prefix("file://");
2578
2579        let label: SharedString = if let Some(abs_path) = is_file {
2580            if let Some(project_path) = self
2581                .project
2582                .read(cx)
2583                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2584                && let Some(worktree) = self
2585                    .project
2586                    .read(cx)
2587                    .worktree_for_id(project_path.worktree_id, cx)
2588            {
2589                worktree
2590                    .read(cx)
2591                    .full_path(&project_path.path)
2592                    .to_string_lossy()
2593                    .to_string()
2594                    .into()
2595            } else {
2596                abs_path.to_string().into()
2597            }
2598        } else {
2599            uri.clone()
2600        };
2601
2602        let button_id = SharedString::from(format!("item-{}", uri));
2603
2604        div()
2605            .ml(rems(0.4))
2606            .pl_2p5()
2607            .border_l_1()
2608            .border_color(self.tool_card_border_color(cx))
2609            .overflow_hidden()
2610            .child(
2611                Button::new(button_id, label)
2612                    .label_size(LabelSize::Small)
2613                    .color(Color::Muted)
2614                    .truncate(true)
2615                    .when(is_file.is_none(), |this| {
2616                        this.icon(IconName::ArrowUpRight)
2617                            .icon_size(IconSize::XSmall)
2618                            .icon_color(Color::Muted)
2619                    })
2620                    .on_click(cx.listener({
2621                        let workspace = self.workspace.clone();
2622                        move |_, _, window, cx: &mut Context<Self>| {
2623                            Self::open_link(uri.clone(), &workspace, window, cx);
2624                        }
2625                    })),
2626            )
2627            .into_any_element()
2628    }
2629
2630    fn render_permission_buttons(
2631        &self,
2632        kind: acp::ToolKind,
2633        options: &[acp::PermissionOption],
2634        entry_ix: usize,
2635        tool_call_id: acp::ToolCallId,
2636        window: &Window,
2637        cx: &Context<Self>,
2638    ) -> Div {
2639        let is_first = self.thread().is_some_and(|thread| {
2640            thread
2641                .read(cx)
2642                .first_tool_awaiting_confirmation()
2643                .is_some_and(|call| call.id == tool_call_id)
2644        });
2645        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2646
2647        div()
2648            .p_1()
2649            .border_t_1()
2650            .border_color(self.tool_card_border_color(cx))
2651            .w_full()
2652            .map(|this| {
2653                if kind == acp::ToolKind::SwitchMode {
2654                    this.v_flex()
2655                } else {
2656                    this.h_flex().justify_end().flex_wrap()
2657                }
2658            })
2659            .gap_0p5()
2660            .children(options.iter().map(move |option| {
2661                let option_id = SharedString::from(option.id.0.clone());
2662                Button::new((option_id, entry_ix), option.name.clone())
2663                    .map(|this| {
2664                        let (this, action) = match option.kind {
2665                            acp::PermissionOptionKind::AllowOnce => (
2666                                this.icon(IconName::Check).icon_color(Color::Success),
2667                                Some(&AllowOnce as &dyn Action),
2668                            ),
2669                            acp::PermissionOptionKind::AllowAlways => (
2670                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2671                                Some(&AllowAlways as &dyn Action),
2672                            ),
2673                            acp::PermissionOptionKind::RejectOnce => (
2674                                this.icon(IconName::Close).icon_color(Color::Error),
2675                                Some(&RejectOnce as &dyn Action),
2676                            ),
2677                            acp::PermissionOptionKind::RejectAlways => {
2678                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2679                            }
2680                        };
2681
2682                        let Some(action) = action else {
2683                            return this;
2684                        };
2685
2686                        if !is_first || seen_kinds.contains(&option.kind) {
2687                            return this;
2688                        }
2689
2690                        seen_kinds.push(option.kind);
2691
2692                        this.key_binding(
2693                            KeyBinding::for_action_in(action, &self.focus_handle, window, cx)
2694                                .map(|kb| kb.size(rems_from_px(10.))),
2695                        )
2696                    })
2697                    .icon_position(IconPosition::Start)
2698                    .icon_size(IconSize::XSmall)
2699                    .label_size(LabelSize::Small)
2700                    .on_click(cx.listener({
2701                        let tool_call_id = tool_call_id.clone();
2702                        let option_id = option.id.clone();
2703                        let option_kind = option.kind;
2704                        move |this, _, window, cx| {
2705                            this.authorize_tool_call(
2706                                tool_call_id.clone(),
2707                                option_id.clone(),
2708                                option_kind,
2709                                window,
2710                                cx,
2711                            );
2712                        }
2713                    }))
2714            }))
2715    }
2716
2717    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2718        let bar = |n: u64, width_class: &str| {
2719            let bg_color = cx.theme().colors().element_active;
2720            let base = h_flex().h_1().rounded_full();
2721
2722            let modified = match width_class {
2723                "w_4_5" => base.w_3_4(),
2724                "w_1_4" => base.w_1_4(),
2725                "w_2_4" => base.w_2_4(),
2726                "w_3_5" => base.w_3_5(),
2727                "w_2_5" => base.w_2_5(),
2728                _ => base.w_1_2(),
2729            };
2730
2731            modified.with_animation(
2732                ElementId::Integer(n),
2733                Animation::new(Duration::from_secs(2)).repeat(),
2734                move |tab, delta| {
2735                    let delta = (delta - 0.15 * n as f32) / 0.7;
2736                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2737                    let delta = ease_in_out(delta.clamp(0., 1.));
2738                    let delta = 0.1 + 0.9 * delta;
2739
2740                    tab.bg(bg_color.opacity(delta))
2741                },
2742            )
2743        };
2744
2745        v_flex()
2746            .p_3()
2747            .gap_1()
2748            .rounded_b_md()
2749            .bg(cx.theme().colors().editor_background)
2750            .child(bar(0, "w_4_5"))
2751            .child(bar(1, "w_1_4"))
2752            .child(bar(2, "w_2_4"))
2753            .child(bar(3, "w_3_5"))
2754            .child(bar(4, "w_2_5"))
2755            .into_any_element()
2756    }
2757
2758    fn render_diff_editor(
2759        &self,
2760        entry_ix: usize,
2761        diff: &Entity<acp_thread::Diff>,
2762        tool_call: &ToolCall,
2763        cx: &Context<Self>,
2764    ) -> AnyElement {
2765        let tool_progress = matches!(
2766            &tool_call.status,
2767            ToolCallStatus::InProgress | ToolCallStatus::Pending
2768        );
2769
2770        v_flex()
2771            .h_full()
2772            .border_t_1()
2773            .border_color(self.tool_card_border_color(cx))
2774            .child(
2775                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2776                    && let Some(editor) = entry.editor_for_diff(diff)
2777                    && diff.read(cx).has_revealed_range(cx)
2778                {
2779                    editor.into_any_element()
2780                } else if tool_progress && self.as_native_connection(cx).is_some() {
2781                    self.render_diff_loading(cx)
2782                } else {
2783                    Empty.into_any()
2784                },
2785            )
2786            .into_any()
2787    }
2788
2789    fn render_terminal_tool_call(
2790        &self,
2791        entry_ix: usize,
2792        terminal: &Entity<acp_thread::Terminal>,
2793        tool_call: &ToolCall,
2794        window: &Window,
2795        cx: &Context<Self>,
2796    ) -> AnyElement {
2797        let terminal_data = terminal.read(cx);
2798        let working_dir = terminal_data.working_dir();
2799        let command = terminal_data.command();
2800        let started_at = terminal_data.started_at();
2801
2802        let tool_failed = matches!(
2803            &tool_call.status,
2804            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2805        );
2806
2807        let output = terminal_data.output();
2808        let command_finished = output.is_some();
2809        let truncated_output =
2810            output.is_some_and(|output| output.original_content_len > output.content.len());
2811        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2812
2813        let command_failed = command_finished
2814            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2815
2816        let time_elapsed = if let Some(output) = output {
2817            output.ended_at.duration_since(started_at)
2818        } else {
2819            started_at.elapsed()
2820        };
2821
2822        let header_id =
2823            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2824        let header_group = SharedString::from(format!(
2825            "terminal-tool-header-group-{}",
2826            terminal.entity_id()
2827        ));
2828        let header_bg = cx
2829            .theme()
2830            .colors()
2831            .element_background
2832            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2833        let border_color = cx.theme().colors().border.opacity(0.6);
2834
2835        let working_dir = working_dir
2836            .as_ref()
2837            .map(|path| path.display().to_string())
2838            .unwrap_or_else(|| "current directory".to_string());
2839
2840        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2841
2842        let header = h_flex()
2843            .id(header_id)
2844            .flex_none()
2845            .gap_1()
2846            .justify_between()
2847            .rounded_t_md()
2848            .child(
2849                div()
2850                    .id(("command-target-path", terminal.entity_id()))
2851                    .w_full()
2852                    .max_w_full()
2853                    .overflow_x_scroll()
2854                    .child(
2855                        Label::new(working_dir)
2856                            .buffer_font(cx)
2857                            .size(LabelSize::XSmall)
2858                            .color(Color::Muted),
2859                    ),
2860            )
2861            .when(!command_finished, |header| {
2862                header
2863                    .gap_1p5()
2864                    .child(
2865                        Button::new(
2866                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2867                            "Stop",
2868                        )
2869                        .icon(IconName::Stop)
2870                        .icon_position(IconPosition::Start)
2871                        .icon_size(IconSize::Small)
2872                        .icon_color(Color::Error)
2873                        .label_size(LabelSize::Small)
2874                        .tooltip(move |window, cx| {
2875                            Tooltip::with_meta(
2876                                "Stop This Command",
2877                                None,
2878                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2879                                window,
2880                                cx,
2881                            )
2882                        })
2883                        .on_click({
2884                            let terminal = terminal.clone();
2885                            cx.listener(move |_this, _event, _window, cx| {
2886                                let inner_terminal = terminal.read(cx).inner().clone();
2887                                inner_terminal.update(cx, |inner_terminal, _cx| {
2888                                    inner_terminal.kill_active_task();
2889                                });
2890                            })
2891                        }),
2892                    )
2893                    .child(Divider::vertical())
2894                    .child(
2895                        Icon::new(IconName::ArrowCircle)
2896                            .size(IconSize::XSmall)
2897                            .color(Color::Info)
2898                            .with_rotate_animation(2)
2899                    )
2900            })
2901            .when(truncated_output, |header| {
2902                let tooltip = if let Some(output) = output {
2903                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2904                       format!("Output exceeded terminal max lines and was \
2905                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2906                    } else {
2907                        format!(
2908                            "Output is {} long, and to avoid unexpected token usage, \
2909                                only {} was sent back to the agent.",
2910                            format_file_size(output.original_content_len as u64, true),
2911                             format_file_size(output.content.len() as u64, true)
2912                        )
2913                    }
2914                } else {
2915                    "Output was truncated".to_string()
2916                };
2917
2918                header.child(
2919                    h_flex()
2920                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2921                        .gap_1()
2922                        .child(
2923                            Icon::new(IconName::Info)
2924                                .size(IconSize::XSmall)
2925                                .color(Color::Ignored),
2926                        )
2927                        .child(
2928                            Label::new("Truncated")
2929                                .color(Color::Muted)
2930                                .size(LabelSize::XSmall),
2931                        )
2932                        .tooltip(Tooltip::text(tooltip)),
2933                )
2934            })
2935            .when(time_elapsed > Duration::from_secs(10), |header| {
2936                header.child(
2937                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2938                        .buffer_font(cx)
2939                        .color(Color::Muted)
2940                        .size(LabelSize::XSmall),
2941                )
2942            })
2943            .when(tool_failed || command_failed, |header| {
2944                header.child(
2945                    div()
2946                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2947                        .child(
2948                            Icon::new(IconName::Close)
2949                                .size(IconSize::Small)
2950                                .color(Color::Error),
2951                        )
2952                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2953                            this.tooltip(Tooltip::text(format!(
2954                                "Exited with code {}",
2955                                status.code().unwrap_or(-1),
2956                            )))
2957                        }),
2958                )
2959            })
2960            .child(
2961                Disclosure::new(
2962                    SharedString::from(format!(
2963                        "terminal-tool-disclosure-{}",
2964                        terminal.entity_id()
2965                    )),
2966                    is_expanded,
2967                )
2968                .opened_icon(IconName::ChevronUp)
2969                .closed_icon(IconName::ChevronDown)
2970                .visible_on_hover(&header_group)
2971                .on_click(cx.listener({
2972                    let id = tool_call.id.clone();
2973                    move |this, _event, _window, _cx| {
2974                        if is_expanded {
2975                            this.expanded_tool_calls.remove(&id);
2976                        } else {
2977                            this.expanded_tool_calls.insert(id.clone());
2978                        }
2979                    }
2980                })),
2981            );
2982
2983        let terminal_view = self
2984            .entry_view_state
2985            .read(cx)
2986            .entry(entry_ix)
2987            .and_then(|entry| entry.terminal(terminal));
2988        let show_output = is_expanded && terminal_view.is_some();
2989
2990        v_flex()
2991            .my_1p5()
2992            .mx_5()
2993            .border_1()
2994            .when(tool_failed || command_failed, |card| card.border_dashed())
2995            .border_color(border_color)
2996            .rounded_md()
2997            .overflow_hidden()
2998            .child(
2999                v_flex()
3000                    .group(&header_group)
3001                    .py_1p5()
3002                    .pr_1p5()
3003                    .pl_2()
3004                    .gap_0p5()
3005                    .bg(header_bg)
3006                    .text_xs()
3007                    .child(header)
3008                    .child(
3009                        MarkdownElement::new(
3010                            command.clone(),
3011                            terminal_command_markdown_style(window, cx),
3012                        )
3013                        .code_block_renderer(
3014                            markdown::CodeBlockRenderer::Default {
3015                                copy_button: false,
3016                                copy_button_on_hover: true,
3017                                border: false,
3018                            },
3019                        ),
3020                    ),
3021            )
3022            .when(show_output, |this| {
3023                this.child(
3024                    div()
3025                        .pt_2()
3026                        .border_t_1()
3027                        .when(tool_failed || command_failed, |card| card.border_dashed())
3028                        .border_color(border_color)
3029                        .bg(cx.theme().colors().editor_background)
3030                        .rounded_b_md()
3031                        .text_ui_sm(cx)
3032                        .h_full()
3033                        .children(terminal_view.map(|terminal_view| {
3034                            if terminal_view
3035                                .read(cx)
3036                                .content_mode(window, cx)
3037                                .is_scrollable()
3038                            {
3039                                div().h_72().child(terminal_view).into_any_element()
3040                            } else {
3041                                terminal_view.into_any_element()
3042                            }
3043                        })),
3044                )
3045            })
3046            .into_any()
3047    }
3048
3049    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3050        let project_context = self
3051            .as_native_thread(cx)?
3052            .read(cx)
3053            .project_context()
3054            .read(cx);
3055
3056        let user_rules_text = if project_context.user_rules.is_empty() {
3057            None
3058        } else if project_context.user_rules.len() == 1 {
3059            let user_rules = &project_context.user_rules[0];
3060
3061            match user_rules.title.as_ref() {
3062                Some(title) => Some(format!("Using \"{title}\" user rule")),
3063                None => Some("Using user rule".into()),
3064            }
3065        } else {
3066            Some(format!(
3067                "Using {} user rules",
3068                project_context.user_rules.len()
3069            ))
3070        };
3071
3072        let first_user_rules_id = project_context
3073            .user_rules
3074            .first()
3075            .map(|user_rules| user_rules.uuid.0);
3076
3077        let rules_files = project_context
3078            .worktrees
3079            .iter()
3080            .filter_map(|worktree| worktree.rules_file.as_ref())
3081            .collect::<Vec<_>>();
3082
3083        let rules_file_text = match rules_files.as_slice() {
3084            &[] => None,
3085            &[rules_file] => Some(format!(
3086                "Using project {:?} file",
3087                rules_file.path_in_worktree
3088            )),
3089            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3090        };
3091
3092        if user_rules_text.is_none() && rules_file_text.is_none() {
3093            return None;
3094        }
3095
3096        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3097
3098        Some(
3099            h_flex()
3100                .px_2p5()
3101                .child(
3102                    Icon::new(IconName::Attach)
3103                        .size(IconSize::XSmall)
3104                        .color(Color::Disabled),
3105                )
3106                .when_some(user_rules_text, |parent, user_rules_text| {
3107                    parent.child(
3108                        h_flex()
3109                            .id("user-rules")
3110                            .ml_1()
3111                            .mr_1p5()
3112                            .child(
3113                                Label::new(user_rules_text)
3114                                    .size(LabelSize::XSmall)
3115                                    .color(Color::Muted)
3116                                    .truncate(),
3117                            )
3118                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3119                            .tooltip(Tooltip::text("View User Rules"))
3120                            .on_click(move |_event, window, cx| {
3121                                window.dispatch_action(
3122                                    Box::new(OpenRulesLibrary {
3123                                        prompt_to_select: first_user_rules_id,
3124                                    }),
3125                                    cx,
3126                                )
3127                            }),
3128                    )
3129                })
3130                .when(has_both, |this| {
3131                    this.child(
3132                        Label::new("")
3133                            .size(LabelSize::XSmall)
3134                            .color(Color::Disabled),
3135                    )
3136                })
3137                .when_some(rules_file_text, |parent, rules_file_text| {
3138                    parent.child(
3139                        h_flex()
3140                            .id("project-rules")
3141                            .ml_1p5()
3142                            .child(
3143                                Label::new(rules_file_text)
3144                                    .size(LabelSize::XSmall)
3145                                    .color(Color::Muted),
3146                            )
3147                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3148                            .tooltip(Tooltip::text("View Project Rules"))
3149                            .on_click(cx.listener(Self::handle_open_rules)),
3150                    )
3151                })
3152                .into_any(),
3153        )
3154    }
3155
3156    fn render_empty_state_section_header(
3157        &self,
3158        label: impl Into<SharedString>,
3159        action_slot: Option<AnyElement>,
3160        cx: &mut Context<Self>,
3161    ) -> impl IntoElement {
3162        div().pl_1().pr_1p5().child(
3163            h_flex()
3164                .mt_2()
3165                .pl_1p5()
3166                .pb_1()
3167                .w_full()
3168                .justify_between()
3169                .border_b_1()
3170                .border_color(cx.theme().colors().border_variant)
3171                .child(
3172                    Label::new(label.into())
3173                        .size(LabelSize::Small)
3174                        .color(Color::Muted),
3175                )
3176                .children(action_slot),
3177        )
3178    }
3179
3180    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3181        let render_history = self
3182            .agent
3183            .clone()
3184            .downcast::<agent::NativeAgentServer>()
3185            .is_some()
3186            && self
3187                .history_store
3188                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3189
3190        v_flex()
3191            .size_full()
3192            .when(render_history, |this| {
3193                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3194                    history_store.entries().take(3).collect()
3195                });
3196                this.justify_end().child(
3197                    v_flex()
3198                        .child(
3199                            self.render_empty_state_section_header(
3200                                "Recent",
3201                                Some(
3202                                    Button::new("view-history", "View All")
3203                                        .style(ButtonStyle::Subtle)
3204                                        .label_size(LabelSize::Small)
3205                                        .key_binding(
3206                                            KeyBinding::for_action_in(
3207                                                &OpenHistory,
3208                                                &self.focus_handle(cx),
3209                                                window,
3210                                                cx,
3211                                            )
3212                                            .map(|kb| kb.size(rems_from_px(12.))),
3213                                        )
3214                                        .on_click(move |_event, window, cx| {
3215                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3216                                        })
3217                                        .into_any_element(),
3218                                ),
3219                                cx,
3220                            ),
3221                        )
3222                        .child(
3223                            v_flex().p_1().pr_1p5().gap_1().children(
3224                                recent_history
3225                                    .into_iter()
3226                                    .enumerate()
3227                                    .map(|(index, entry)| {
3228                                        // TODO: Add keyboard navigation.
3229                                        let is_hovered =
3230                                            self.hovered_recent_history_item == Some(index);
3231                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3232                                            entry,
3233                                            cx.entity().downgrade(),
3234                                        )
3235                                        .hovered(is_hovered)
3236                                        .on_hover(cx.listener(
3237                                            move |this, is_hovered, _window, cx| {
3238                                                if *is_hovered {
3239                                                    this.hovered_recent_history_item = Some(index);
3240                                                } else if this.hovered_recent_history_item
3241                                                    == Some(index)
3242                                                {
3243                                                    this.hovered_recent_history_item = None;
3244                                                }
3245                                                cx.notify();
3246                                            },
3247                                        ))
3248                                        .into_any_element()
3249                                    }),
3250                            ),
3251                        ),
3252                )
3253            })
3254            .into_any()
3255    }
3256
3257    fn render_auth_required_state(
3258        &self,
3259        connection: &Rc<dyn AgentConnection>,
3260        description: Option<&Entity<Markdown>>,
3261        configuration_view: Option<&AnyView>,
3262        pending_auth_method: Option<&acp::AuthMethodId>,
3263        window: &mut Window,
3264        cx: &Context<Self>,
3265    ) -> Div {
3266        let show_description =
3267            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3268
3269        let auth_methods = connection.auth_methods();
3270
3271        v_flex().flex_1().size_full().justify_end().child(
3272            v_flex()
3273                .p_2()
3274                .pr_3()
3275                .w_full()
3276                .gap_1()
3277                .border_t_1()
3278                .border_color(cx.theme().colors().border)
3279                .bg(cx.theme().status().warning.opacity(0.04))
3280                .child(
3281                    h_flex()
3282                        .gap_1p5()
3283                        .child(
3284                            Icon::new(IconName::Warning)
3285                                .color(Color::Warning)
3286                                .size(IconSize::Small),
3287                        )
3288                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3289                )
3290                .children(description.map(|desc| {
3291                    div().text_ui(cx).child(self.render_markdown(
3292                        desc.clone(),
3293                        default_markdown_style(false, false, window, cx),
3294                    ))
3295                }))
3296                .children(
3297                    configuration_view
3298                        .cloned()
3299                        .map(|view| div().w_full().child(view)),
3300                )
3301                .when(show_description, |el| {
3302                    el.child(
3303                        Label::new(format!(
3304                            "You are not currently authenticated with {}.{}",
3305                            self.agent.name(),
3306                            if auth_methods.len() > 1 {
3307                                " Please choose one of the following options:"
3308                            } else {
3309                                ""
3310                            }
3311                        ))
3312                        .size(LabelSize::Small)
3313                        .color(Color::Muted)
3314                        .mb_1()
3315                        .ml_5(),
3316                    )
3317                })
3318                .when_some(pending_auth_method, |el, _| {
3319                    el.child(
3320                        h_flex()
3321                            .py_4()
3322                            .w_full()
3323                            .justify_center()
3324                            .gap_1()
3325                            .child(
3326                                Icon::new(IconName::ArrowCircle)
3327                                    .size(IconSize::Small)
3328                                    .color(Color::Muted)
3329                                    .with_rotate_animation(2),
3330                            )
3331                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3332                    )
3333                })
3334                .when(!auth_methods.is_empty(), |this| {
3335                    this.child(
3336                        h_flex()
3337                            .justify_end()
3338                            .flex_wrap()
3339                            .gap_1()
3340                            .when(!show_description, |this| {
3341                                this.border_t_1()
3342                                    .mt_1()
3343                                    .pt_2()
3344                                    .border_color(cx.theme().colors().border.opacity(0.8))
3345                            })
3346                            .children(connection.auth_methods().iter().enumerate().rev().map(
3347                                |(ix, method)| {
3348                                    let method_id = method.id.clone();
3349                                    let method_id_str = method.id.0.to_string();
3350                                    Button::new(
3351                                        SharedString::from(method.id.0.clone()),
3352                                        method.name.clone(),
3353                                    )
3354                                    .label_size(LabelSize::Small)
3355                                    .map(|this| {
3356                                        if ix == 0 {
3357                                            this.style(ButtonStyle::Tinted(TintColor::Warning))
3358                                        } else {
3359                                            this.style(ButtonStyle::Outlined)
3360                                        }
3361                                    })
3362                                    .when_some(method.description.clone(), |this, description| {
3363                                        this.tooltip(Tooltip::text(description))
3364                                    })
3365                                    .on_click({
3366                                        cx.listener(move |this, _, window, cx| {
3367                                            telemetry::event!(
3368                                                "Authenticate Agent Started",
3369                                                agent = this.agent.telemetry_id(),
3370                                                method = method_id_str
3371                                            );
3372
3373                                            this.authenticate(method_id.clone(), window, cx)
3374                                        })
3375                                    })
3376                                },
3377                            )),
3378                    )
3379                }),
3380        )
3381    }
3382
3383    fn render_load_error(
3384        &self,
3385        e: &LoadError,
3386        window: &mut Window,
3387        cx: &mut Context<Self>,
3388    ) -> AnyElement {
3389        let (title, message, action_slot): (_, SharedString, _) = match e {
3390            LoadError::Unsupported {
3391                command: path,
3392                current_version,
3393                minimum_version,
3394            } => {
3395                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3396            }
3397            LoadError::FailedToInstall(msg) => (
3398                "Failed to Install",
3399                msg.into(),
3400                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3401            ),
3402            LoadError::Exited { status } => (
3403                "Failed to Launch",
3404                format!("Server exited with status {status}").into(),
3405                None,
3406            ),
3407            LoadError::Other(msg) => (
3408                "Failed to Launch",
3409                msg.into(),
3410                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3411            ),
3412        };
3413
3414        Callout::new()
3415            .severity(Severity::Error)
3416            .icon(IconName::XCircleFilled)
3417            .title(title)
3418            .description(message)
3419            .actions_slot(div().children(action_slot))
3420            .into_any_element()
3421    }
3422
3423    fn render_unsupported(
3424        &self,
3425        path: &SharedString,
3426        version: &SharedString,
3427        minimum_version: &SharedString,
3428        _window: &mut Window,
3429        cx: &mut Context<Self>,
3430    ) -> AnyElement {
3431        let (heading_label, description_label) = (
3432            format!("Upgrade {} to work with Zed", self.agent.name()),
3433            if version.is_empty() {
3434                format!(
3435                    "Currently using {}, which does not report a valid --version",
3436                    path,
3437                )
3438            } else {
3439                format!(
3440                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3441                    path, version
3442                )
3443            },
3444        );
3445
3446        v_flex()
3447            .w_full()
3448            .p_3p5()
3449            .gap_2p5()
3450            .border_t_1()
3451            .border_color(cx.theme().colors().border)
3452            .bg(linear_gradient(
3453                180.,
3454                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3455                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3456            ))
3457            .child(
3458                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3459                    Label::new(description_label)
3460                        .size(LabelSize::Small)
3461                        .color(Color::Muted),
3462                ),
3463            )
3464            .into_any_element()
3465    }
3466
3467    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3468        let editor_bg_color = cx.theme().colors().editor_background;
3469        let active_color = cx.theme().colors().element_selected;
3470        editor_bg_color.blend(active_color.opacity(0.3))
3471    }
3472
3473    fn render_activity_bar(
3474        &self,
3475        thread_entity: &Entity<AcpThread>,
3476        window: &mut Window,
3477        cx: &Context<Self>,
3478    ) -> Option<AnyElement> {
3479        let thread = thread_entity.read(cx);
3480        let action_log = thread.action_log();
3481        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3482        let plan = thread.plan();
3483
3484        if changed_buffers.is_empty() && plan.is_empty() {
3485            return None;
3486        }
3487
3488        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3489        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3490        // be, which blocks you from being able to accept or reject edits. This switches the
3491        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3492        // block you from using the panel.
3493        let pending_edits = false;
3494
3495        v_flex()
3496            .mt_1()
3497            .mx_2()
3498            .bg(self.activity_bar_bg(cx))
3499            .border_1()
3500            .border_b_0()
3501            .border_color(cx.theme().colors().border)
3502            .rounded_t_md()
3503            .shadow(vec![gpui::BoxShadow {
3504                color: gpui::black().opacity(0.15),
3505                offset: point(px(1.), px(-1.)),
3506                blur_radius: px(3.),
3507                spread_radius: px(0.),
3508            }])
3509            .when(!plan.is_empty(), |this| {
3510                this.child(self.render_plan_summary(plan, window, cx))
3511                    .when(self.plan_expanded, |parent| {
3512                        parent.child(self.render_plan_entries(plan, window, cx))
3513                    })
3514            })
3515            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3516                this.child(Divider::horizontal().color(DividerColor::Border))
3517            })
3518            .when(!changed_buffers.is_empty(), |this| {
3519                this.child(self.render_edits_summary(
3520                    &changed_buffers,
3521                    self.edits_expanded,
3522                    pending_edits,
3523                    window,
3524                    cx,
3525                ))
3526                .when(self.edits_expanded, |parent| {
3527                    parent.child(self.render_edited_files(
3528                        action_log,
3529                        &changed_buffers,
3530                        pending_edits,
3531                        cx,
3532                    ))
3533                })
3534            })
3535            .into_any()
3536            .into()
3537    }
3538
3539    fn render_plan_summary(
3540        &self,
3541        plan: &Plan,
3542        window: &mut Window,
3543        cx: &Context<Self>,
3544    ) -> impl IntoElement {
3545        let stats = plan.stats();
3546
3547        let title = if let Some(entry) = stats.in_progress_entry
3548            && !self.plan_expanded
3549        {
3550            h_flex()
3551                .cursor_default()
3552                .relative()
3553                .w_full()
3554                .gap_1()
3555                .truncate()
3556                .child(
3557                    Label::new("Current:")
3558                        .size(LabelSize::Small)
3559                        .color(Color::Muted),
3560                )
3561                .child(
3562                    div()
3563                        .text_xs()
3564                        .text_color(cx.theme().colors().text_muted)
3565                        .line_clamp(1)
3566                        .child(MarkdownElement::new(
3567                            entry.content.clone(),
3568                            plan_label_markdown_style(&entry.status, window, cx),
3569                        )),
3570                )
3571                .when(stats.pending > 0, |this| {
3572                    this.child(
3573                        h_flex()
3574                            .absolute()
3575                            .top_0()
3576                            .right_0()
3577                            .h_full()
3578                            .child(div().min_w_8().h_full().bg(linear_gradient(
3579                                90.,
3580                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3581                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3582                            )))
3583                            .child(
3584                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3585                                    Label::new(format!("{} left", stats.pending))
3586                                        .size(LabelSize::Small)
3587                                        .color(Color::Muted),
3588                                ),
3589                            ),
3590                    )
3591                })
3592        } else {
3593            let status_label = if stats.pending == 0 {
3594                "All Done".to_string()
3595            } else if stats.completed == 0 {
3596                format!("{} Tasks", plan.entries.len())
3597            } else {
3598                format!("{}/{}", stats.completed, plan.entries.len())
3599            };
3600
3601            h_flex()
3602                .w_full()
3603                .gap_1()
3604                .justify_between()
3605                .child(
3606                    Label::new("Plan")
3607                        .size(LabelSize::Small)
3608                        .color(Color::Muted),
3609                )
3610                .child(
3611                    Label::new(status_label)
3612                        .size(LabelSize::Small)
3613                        .color(Color::Muted)
3614                        .mr_1(),
3615                )
3616        };
3617
3618        h_flex()
3619            .id("plan_summary")
3620            .p_1()
3621            .w_full()
3622            .gap_1()
3623            .when(self.plan_expanded, |this| {
3624                this.border_b_1().border_color(cx.theme().colors().border)
3625            })
3626            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3627            .child(title)
3628            .on_click(cx.listener(|this, _, _, cx| {
3629                this.plan_expanded = !this.plan_expanded;
3630                cx.notify();
3631            }))
3632    }
3633
3634    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3635        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3636            let element = h_flex()
3637                .py_1()
3638                .px_2()
3639                .gap_2()
3640                .justify_between()
3641                .bg(cx.theme().colors().editor_background)
3642                .when(index < plan.entries.len() - 1, |parent| {
3643                    parent.border_color(cx.theme().colors().border).border_b_1()
3644                })
3645                .child(
3646                    h_flex()
3647                        .id(("plan_entry", index))
3648                        .gap_1p5()
3649                        .max_w_full()
3650                        .overflow_x_scroll()
3651                        .text_xs()
3652                        .text_color(cx.theme().colors().text_muted)
3653                        .child(match entry.status {
3654                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3655                                .size(IconSize::Small)
3656                                .color(Color::Muted)
3657                                .into_any_element(),
3658                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3659                                .size(IconSize::Small)
3660                                .color(Color::Accent)
3661                                .with_rotate_animation(2)
3662                                .into_any_element(),
3663                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3664                                .size(IconSize::Small)
3665                                .color(Color::Success)
3666                                .into_any_element(),
3667                        })
3668                        .child(MarkdownElement::new(
3669                            entry.content.clone(),
3670                            plan_label_markdown_style(&entry.status, window, cx),
3671                        )),
3672                );
3673
3674            Some(element)
3675        }))
3676    }
3677
3678    fn render_edits_summary(
3679        &self,
3680        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3681        expanded: bool,
3682        pending_edits: bool,
3683        window: &mut Window,
3684        cx: &Context<Self>,
3685    ) -> Div {
3686        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3687
3688        let focus_handle = self.focus_handle(cx);
3689
3690        h_flex()
3691            .p_1()
3692            .justify_between()
3693            .flex_wrap()
3694            .when(expanded, |this| {
3695                this.border_b_1().border_color(cx.theme().colors().border)
3696            })
3697            .child(
3698                h_flex()
3699                    .id("edits-container")
3700                    .gap_1()
3701                    .child(Disclosure::new("edits-disclosure", expanded))
3702                    .map(|this| {
3703                        if pending_edits {
3704                            this.child(
3705                                Label::new(format!(
3706                                    "Editing {} {}",
3707                                    changed_buffers.len(),
3708                                    if changed_buffers.len() == 1 {
3709                                        "file"
3710                                    } else {
3711                                        "files"
3712                                    }
3713                                ))
3714                                .color(Color::Muted)
3715                                .size(LabelSize::Small)
3716                                .with_animation(
3717                                    "edit-label",
3718                                    Animation::new(Duration::from_secs(2))
3719                                        .repeat()
3720                                        .with_easing(pulsating_between(0.3, 0.7)),
3721                                    |label, delta| label.alpha(delta),
3722                                ),
3723                            )
3724                        } else {
3725                            this.child(
3726                                Label::new("Edits")
3727                                    .size(LabelSize::Small)
3728                                    .color(Color::Muted),
3729                            )
3730                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3731                            .child(
3732                                Label::new(format!(
3733                                    "{} {}",
3734                                    changed_buffers.len(),
3735                                    if changed_buffers.len() == 1 {
3736                                        "file"
3737                                    } else {
3738                                        "files"
3739                                    }
3740                                ))
3741                                .size(LabelSize::Small)
3742                                .color(Color::Muted),
3743                            )
3744                        }
3745                    })
3746                    .on_click(cx.listener(|this, _, _, cx| {
3747                        this.edits_expanded = !this.edits_expanded;
3748                        cx.notify();
3749                    })),
3750            )
3751            .child(
3752                h_flex()
3753                    .gap_1()
3754                    .child(
3755                        IconButton::new("review-changes", IconName::ListTodo)
3756                            .icon_size(IconSize::Small)
3757                            .tooltip({
3758                                let focus_handle = focus_handle.clone();
3759                                move |window, cx| {
3760                                    Tooltip::for_action_in(
3761                                        "Review Changes",
3762                                        &OpenAgentDiff,
3763                                        &focus_handle,
3764                                        window,
3765                                        cx,
3766                                    )
3767                                }
3768                            })
3769                            .on_click(cx.listener(|_, _, window, cx| {
3770                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3771                            })),
3772                    )
3773                    .child(Divider::vertical().color(DividerColor::Border))
3774                    .child(
3775                        Button::new("reject-all-changes", "Reject All")
3776                            .label_size(LabelSize::Small)
3777                            .disabled(pending_edits)
3778                            .when(pending_edits, |this| {
3779                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3780                            })
3781                            .key_binding(
3782                                KeyBinding::for_action_in(
3783                                    &RejectAll,
3784                                    &focus_handle.clone(),
3785                                    window,
3786                                    cx,
3787                                )
3788                                .map(|kb| kb.size(rems_from_px(10.))),
3789                            )
3790                            .on_click(cx.listener(move |this, _, window, cx| {
3791                                this.reject_all(&RejectAll, window, cx);
3792                            })),
3793                    )
3794                    .child(
3795                        Button::new("keep-all-changes", "Keep All")
3796                            .label_size(LabelSize::Small)
3797                            .disabled(pending_edits)
3798                            .when(pending_edits, |this| {
3799                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3800                            })
3801                            .key_binding(
3802                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3803                                    .map(|kb| kb.size(rems_from_px(10.))),
3804                            )
3805                            .on_click(cx.listener(move |this, _, window, cx| {
3806                                this.keep_all(&KeepAll, window, cx);
3807                            })),
3808                    ),
3809            )
3810    }
3811
3812    fn render_edited_files(
3813        &self,
3814        action_log: &Entity<ActionLog>,
3815        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3816        pending_edits: bool,
3817        cx: &Context<Self>,
3818    ) -> Div {
3819        let editor_bg_color = cx.theme().colors().editor_background;
3820
3821        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3822            |(index, (buffer, _diff))| {
3823                let file = buffer.read(cx).file()?;
3824                let path = file.path();
3825                let path_style = file.path_style(cx);
3826                let separator = file.path_style(cx).separator();
3827
3828                let file_path = path.parent().and_then(|parent| {
3829                    if parent.is_empty() {
3830                        None
3831                    } else {
3832                        Some(
3833                            Label::new(format!("{}{separator}", parent.display(path_style)))
3834                                .color(Color::Muted)
3835                                .size(LabelSize::XSmall)
3836                                .buffer_font(cx),
3837                        )
3838                    }
3839                });
3840
3841                let file_name = path.file_name().map(|name| {
3842                    Label::new(name.to_string())
3843                        .size(LabelSize::XSmall)
3844                        .buffer_font(cx)
3845                });
3846
3847                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3848                    .map(Icon::from_path)
3849                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3850                    .unwrap_or_else(|| {
3851                        Icon::new(IconName::File)
3852                            .color(Color::Muted)
3853                            .size(IconSize::Small)
3854                    });
3855
3856                let overlay_gradient = linear_gradient(
3857                    90.,
3858                    linear_color_stop(editor_bg_color, 1.),
3859                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3860                );
3861
3862                let element = h_flex()
3863                    .group("edited-code")
3864                    .id(("file-container", index))
3865                    .py_1()
3866                    .pl_2()
3867                    .pr_1()
3868                    .gap_2()
3869                    .justify_between()
3870                    .bg(editor_bg_color)
3871                    .when(index < changed_buffers.len() - 1, |parent| {
3872                        parent.border_color(cx.theme().colors().border).border_b_1()
3873                    })
3874                    .child(
3875                        h_flex()
3876                            .relative()
3877                            .id(("file-name", index))
3878                            .pr_8()
3879                            .gap_1p5()
3880                            .w_full()
3881                            .overflow_x_scroll()
3882                            .child(file_icon)
3883                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3884                            .child(
3885                                div()
3886                                    .absolute()
3887                                    .h_full()
3888                                    .w_12()
3889                                    .top_0()
3890                                    .bottom_0()
3891                                    .right_0()
3892                                    .bg(overlay_gradient),
3893                            )
3894                            .on_click({
3895                                let buffer = buffer.clone();
3896                                cx.listener(move |this, _, window, cx| {
3897                                    this.open_edited_buffer(&buffer, window, cx);
3898                                })
3899                            }),
3900                    )
3901                    .child(
3902                        h_flex()
3903                            .gap_1()
3904                            .visible_on_hover("edited-code")
3905                            .child(
3906                                Button::new("review", "Review")
3907                                    .label_size(LabelSize::Small)
3908                                    .on_click({
3909                                        let buffer = buffer.clone();
3910                                        cx.listener(move |this, _, window, cx| {
3911                                            this.open_edited_buffer(&buffer, window, cx);
3912                                        })
3913                                    }),
3914                            )
3915                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3916                            .child(
3917                                Button::new("reject-file", "Reject")
3918                                    .label_size(LabelSize::Small)
3919                                    .disabled(pending_edits)
3920                                    .on_click({
3921                                        let buffer = buffer.clone();
3922                                        let action_log = action_log.clone();
3923                                        move |_, _, cx| {
3924                                            action_log.update(cx, |action_log, cx| {
3925                                                action_log
3926                                                    .reject_edits_in_ranges(
3927                                                        buffer.clone(),
3928                                                        vec![Anchor::MIN..Anchor::MAX],
3929                                                        cx,
3930                                                    )
3931                                                    .detach_and_log_err(cx);
3932                                            })
3933                                        }
3934                                    }),
3935                            )
3936                            .child(
3937                                Button::new("keep-file", "Keep")
3938                                    .label_size(LabelSize::Small)
3939                                    .disabled(pending_edits)
3940                                    .on_click({
3941                                        let buffer = buffer.clone();
3942                                        let action_log = action_log.clone();
3943                                        move |_, _, cx| {
3944                                            action_log.update(cx, |action_log, cx| {
3945                                                action_log.keep_edits_in_range(
3946                                                    buffer.clone(),
3947                                                    Anchor::MIN..Anchor::MAX,
3948                                                    cx,
3949                                                );
3950                                            })
3951                                        }
3952                                    }),
3953                            ),
3954                    );
3955
3956                Some(element)
3957            },
3958        ))
3959    }
3960
3961    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3962        let focus_handle = self.message_editor.focus_handle(cx);
3963        let editor_bg_color = cx.theme().colors().editor_background;
3964        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3965            (IconName::Minimize, "Minimize Message Editor")
3966        } else {
3967            (IconName::Maximize, "Expand Message Editor")
3968        };
3969
3970        let backdrop = div()
3971            .size_full()
3972            .absolute()
3973            .inset_0()
3974            .bg(cx.theme().colors().panel_background)
3975            .opacity(0.8)
3976            .block_mouse_except_scroll();
3977
3978        let enable_editor = match self.thread_state {
3979            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3980            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3981        };
3982
3983        v_flex()
3984            .on_action(cx.listener(Self::expand_message_editor))
3985            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3986                if let Some(profile_selector) = this.profile_selector.as_ref() {
3987                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3988                } else if let Some(mode_selector) = this.mode_selector() {
3989                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3990                }
3991            }))
3992            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3993                if let Some(mode_selector) = this.mode_selector() {
3994                    mode_selector.update(cx, |mode_selector, cx| {
3995                        mode_selector.cycle_mode(window, cx);
3996                    });
3997                }
3998            }))
3999            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4000                if let Some(model_selector) = this.model_selector.as_ref() {
4001                    model_selector
4002                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4003                }
4004            }))
4005            .p_2()
4006            .gap_2()
4007            .border_t_1()
4008            .border_color(cx.theme().colors().border)
4009            .bg(editor_bg_color)
4010            .when(self.editor_expanded, |this| {
4011                this.h(vh(0.8, window)).size_full().justify_between()
4012            })
4013            .child(
4014                v_flex()
4015                    .relative()
4016                    .size_full()
4017                    .pt_1()
4018                    .pr_2p5()
4019                    .child(self.message_editor.clone())
4020                    .child(
4021                        h_flex()
4022                            .absolute()
4023                            .top_0()
4024                            .right_0()
4025                            .opacity(0.5)
4026                            .hover(|this| this.opacity(1.0))
4027                            .child(
4028                                IconButton::new("toggle-height", expand_icon)
4029                                    .icon_size(IconSize::Small)
4030                                    .icon_color(Color::Muted)
4031                                    .tooltip({
4032                                        move |window, cx| {
4033                                            Tooltip::for_action_in(
4034                                                expand_tooltip,
4035                                                &ExpandMessageEditor,
4036                                                &focus_handle,
4037                                                window,
4038                                                cx,
4039                                            )
4040                                        }
4041                                    })
4042                                    .on_click(cx.listener(|_, _, window, cx| {
4043                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
4044                                    })),
4045                            ),
4046                    ),
4047            )
4048            .child(
4049                h_flex()
4050                    .flex_none()
4051                    .flex_wrap()
4052                    .justify_between()
4053                    .child(
4054                        h_flex()
4055                            .child(self.render_follow_toggle(cx))
4056                            .children(self.render_burn_mode_toggle(cx)),
4057                    )
4058                    .child(
4059                        h_flex()
4060                            .gap_1()
4061                            .children(self.render_token_usage(cx))
4062                            .children(self.profile_selector.clone())
4063                            .children(self.mode_selector().cloned())
4064                            .children(self.model_selector.clone())
4065                            .child(self.render_send_button(cx)),
4066                    ),
4067            )
4068            .when(!enable_editor, |this| this.child(backdrop))
4069            .into_any()
4070    }
4071
4072    pub(crate) fn as_native_connection(
4073        &self,
4074        cx: &App,
4075    ) -> Option<Rc<agent::NativeAgentConnection>> {
4076        let acp_thread = self.thread()?.read(cx);
4077        acp_thread.connection().clone().downcast()
4078    }
4079
4080    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4081        let acp_thread = self.thread()?.read(cx);
4082        self.as_native_connection(cx)?
4083            .thread(acp_thread.session_id(), cx)
4084    }
4085
4086    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4087        self.as_native_thread(cx)
4088            .and_then(|thread| thread.read(cx).model())
4089            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4090    }
4091
4092    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4093        let thread = self.thread()?.read(cx);
4094        let usage = thread.token_usage()?;
4095        let is_generating = thread.status() != ThreadStatus::Idle;
4096
4097        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4098        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4099
4100        Some(
4101            h_flex()
4102                .flex_shrink_0()
4103                .gap_0p5()
4104                .mr_1p5()
4105                .child(
4106                    Label::new(used)
4107                        .size(LabelSize::Small)
4108                        .color(Color::Muted)
4109                        .map(|label| {
4110                            if is_generating {
4111                                label
4112                                    .with_animation(
4113                                        "used-tokens-label",
4114                                        Animation::new(Duration::from_secs(2))
4115                                            .repeat()
4116                                            .with_easing(pulsating_between(0.3, 0.8)),
4117                                        |label, delta| label.alpha(delta),
4118                                    )
4119                                    .into_any()
4120                            } else {
4121                                label.into_any_element()
4122                            }
4123                        }),
4124                )
4125                .child(
4126                    Label::new("/")
4127                        .size(LabelSize::Small)
4128                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4129                )
4130                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4131        )
4132    }
4133
4134    fn toggle_burn_mode(
4135        &mut self,
4136        _: &ToggleBurnMode,
4137        _window: &mut Window,
4138        cx: &mut Context<Self>,
4139    ) {
4140        let Some(thread) = self.as_native_thread(cx) else {
4141            return;
4142        };
4143
4144        thread.update(cx, |thread, cx| {
4145            let current_mode = thread.completion_mode();
4146            thread.set_completion_mode(
4147                match current_mode {
4148                    CompletionMode::Burn => CompletionMode::Normal,
4149                    CompletionMode::Normal => CompletionMode::Burn,
4150                },
4151                cx,
4152            );
4153        });
4154    }
4155
4156    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4157        let Some(thread) = self.thread() else {
4158            return;
4159        };
4160        let action_log = thread.read(cx).action_log().clone();
4161        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4162    }
4163
4164    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4165        let Some(thread) = self.thread() else {
4166            return;
4167        };
4168        let action_log = thread.read(cx).action_log().clone();
4169        action_log
4170            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4171            .detach();
4172    }
4173
4174    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4175        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4176    }
4177
4178    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4179        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4180    }
4181
4182    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4183        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4184    }
4185
4186    fn authorize_pending_tool_call(
4187        &mut self,
4188        kind: acp::PermissionOptionKind,
4189        window: &mut Window,
4190        cx: &mut Context<Self>,
4191    ) -> Option<()> {
4192        let thread = self.thread()?.read(cx);
4193        let tool_call = thread.first_tool_awaiting_confirmation()?;
4194        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4195            return None;
4196        };
4197        let option = options.iter().find(|o| o.kind == kind)?;
4198
4199        self.authorize_tool_call(
4200            tool_call.id.clone(),
4201            option.id.clone(),
4202            option.kind,
4203            window,
4204            cx,
4205        );
4206
4207        Some(())
4208    }
4209
4210    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4211        let thread = self.as_native_thread(cx)?.read(cx);
4212
4213        if thread
4214            .model()
4215            .is_none_or(|model| !model.supports_burn_mode())
4216        {
4217            return None;
4218        }
4219
4220        let active_completion_mode = thread.completion_mode();
4221        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4222        let icon = if burn_mode_enabled {
4223            IconName::ZedBurnModeOn
4224        } else {
4225            IconName::ZedBurnMode
4226        };
4227
4228        Some(
4229            IconButton::new("burn-mode", icon)
4230                .icon_size(IconSize::Small)
4231                .icon_color(Color::Muted)
4232                .toggle_state(burn_mode_enabled)
4233                .selected_icon_color(Color::Error)
4234                .on_click(cx.listener(|this, _event, window, cx| {
4235                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4236                }))
4237                .tooltip(move |_window, cx| {
4238                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4239                        .into()
4240                })
4241                .into_any_element(),
4242        )
4243    }
4244
4245    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4246        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4247        let is_generating = self
4248            .thread()
4249            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4250
4251        if self.is_loading_contents {
4252            div()
4253                .id("loading-message-content")
4254                .px_1()
4255                .tooltip(Tooltip::text("Loading Added Context…"))
4256                .child(loading_contents_spinner(IconSize::default()))
4257                .into_any_element()
4258        } else if is_generating && is_editor_empty {
4259            IconButton::new("stop-generation", IconName::Stop)
4260                .icon_color(Color::Error)
4261                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4262                .tooltip(move |window, cx| {
4263                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
4264                })
4265                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4266                .into_any_element()
4267        } else {
4268            let send_btn_tooltip = if is_editor_empty && !is_generating {
4269                "Type to Send"
4270            } else if is_generating {
4271                "Stop and Send Message"
4272            } else {
4273                "Send"
4274            };
4275
4276            IconButton::new("send-message", IconName::Send)
4277                .style(ButtonStyle::Filled)
4278                .map(|this| {
4279                    if is_editor_empty && !is_generating {
4280                        this.disabled(true).icon_color(Color::Muted)
4281                    } else {
4282                        this.icon_color(Color::Accent)
4283                    }
4284                })
4285                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
4286                .on_click(cx.listener(|this, _, window, cx| {
4287                    this.send(window, cx);
4288                }))
4289                .into_any_element()
4290        }
4291    }
4292
4293    fn is_following(&self, cx: &App) -> bool {
4294        match self.thread().map(|thread| thread.read(cx).status()) {
4295            Some(ThreadStatus::Generating) => self
4296                .workspace
4297                .read_with(cx, |workspace, _| {
4298                    workspace.is_being_followed(CollaboratorId::Agent)
4299                })
4300                .unwrap_or(false),
4301            _ => self.should_be_following,
4302        }
4303    }
4304
4305    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4306        let following = self.is_following(cx);
4307
4308        self.should_be_following = !following;
4309        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4310            self.workspace
4311                .update(cx, |workspace, cx| {
4312                    if following {
4313                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4314                    } else {
4315                        workspace.follow(CollaboratorId::Agent, window, cx);
4316                    }
4317                })
4318                .ok();
4319        }
4320
4321        telemetry::event!("Follow Agent Selected", following = !following);
4322    }
4323
4324    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4325        let following = self.is_following(cx);
4326
4327        let tooltip_label = if following {
4328            if self.agent.name() == "Zed Agent" {
4329                format!("Stop Following the {}", self.agent.name())
4330            } else {
4331                format!("Stop Following {}", self.agent.name())
4332            }
4333        } else {
4334            if self.agent.name() == "Zed Agent" {
4335                format!("Follow the {}", self.agent.name())
4336            } else {
4337                format!("Follow {}", self.agent.name())
4338            }
4339        };
4340
4341        IconButton::new("follow-agent", IconName::Crosshair)
4342            .icon_size(IconSize::Small)
4343            .icon_color(Color::Muted)
4344            .toggle_state(following)
4345            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4346            .tooltip(move |window, cx| {
4347                if following {
4348                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4349                } else {
4350                    Tooltip::with_meta(
4351                        tooltip_label.clone(),
4352                        Some(&Follow),
4353                        "Track the agent's location as it reads and edits files.",
4354                        window,
4355                        cx,
4356                    )
4357                }
4358            })
4359            .on_click(cx.listener(move |this, _, window, cx| {
4360                this.toggle_following(window, cx);
4361            }))
4362    }
4363
4364    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4365        let workspace = self.workspace.clone();
4366        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4367            Self::open_link(text, &workspace, window, cx);
4368        })
4369    }
4370
4371    fn open_link(
4372        url: SharedString,
4373        workspace: &WeakEntity<Workspace>,
4374        window: &mut Window,
4375        cx: &mut App,
4376    ) {
4377        let Some(workspace) = workspace.upgrade() else {
4378            cx.open_url(&url);
4379            return;
4380        };
4381
4382        if let Some(mention) = MentionUri::parse(&url).log_err() {
4383            workspace.update(cx, |workspace, cx| match mention {
4384                MentionUri::File { abs_path } => {
4385                    let project = workspace.project();
4386                    let Some(path) =
4387                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4388                    else {
4389                        return;
4390                    };
4391
4392                    workspace
4393                        .open_path(path, None, true, window, cx)
4394                        .detach_and_log_err(cx);
4395                }
4396                MentionUri::PastedImage => {}
4397                MentionUri::Directory { abs_path } => {
4398                    let project = workspace.project();
4399                    let Some(entry_id) = project.update(cx, |project, cx| {
4400                        let path = project.find_project_path(abs_path, cx)?;
4401                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4402                    }) else {
4403                        return;
4404                    };
4405
4406                    project.update(cx, |_, cx| {
4407                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4408                    });
4409                }
4410                MentionUri::Symbol {
4411                    abs_path: path,
4412                    line_range,
4413                    ..
4414                }
4415                | MentionUri::Selection {
4416                    abs_path: Some(path),
4417                    line_range,
4418                } => {
4419                    let project = workspace.project();
4420                    let Some(path) =
4421                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4422                    else {
4423                        return;
4424                    };
4425
4426                    let item = workspace.open_path(path, None, true, window, cx);
4427                    window
4428                        .spawn(cx, async move |cx| {
4429                            let Some(editor) = item.await?.downcast::<Editor>() else {
4430                                return Ok(());
4431                            };
4432                            let range = Point::new(*line_range.start(), 0)
4433                                ..Point::new(*line_range.start(), 0);
4434                            editor
4435                                .update_in(cx, |editor, window, cx| {
4436                                    editor.change_selections(
4437                                        SelectionEffects::scroll(Autoscroll::center()),
4438                                        window,
4439                                        cx,
4440                                        |s| s.select_ranges(vec![range]),
4441                                    );
4442                                })
4443                                .ok();
4444                            anyhow::Ok(())
4445                        })
4446                        .detach_and_log_err(cx);
4447                }
4448                MentionUri::Selection { abs_path: None, .. } => {}
4449                MentionUri::Thread { id, name } => {
4450                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4451                        panel.update(cx, |panel, cx| {
4452                            panel.load_agent_thread(
4453                                DbThreadMetadata {
4454                                    id,
4455                                    title: name.into(),
4456                                    updated_at: Default::default(),
4457                                },
4458                                window,
4459                                cx,
4460                            )
4461                        });
4462                    }
4463                }
4464                MentionUri::TextThread { path, .. } => {
4465                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4466                        panel.update(cx, |panel, cx| {
4467                            panel
4468                                .open_saved_text_thread(path.as_path().into(), window, cx)
4469                                .detach_and_log_err(cx);
4470                        });
4471                    }
4472                }
4473                MentionUri::Rule { id, .. } => {
4474                    let PromptId::User { uuid } = id else {
4475                        return;
4476                    };
4477                    window.dispatch_action(
4478                        Box::new(OpenRulesLibrary {
4479                            prompt_to_select: Some(uuid.0),
4480                        }),
4481                        cx,
4482                    )
4483                }
4484                MentionUri::Fetch { url } => {
4485                    cx.open_url(url.as_str());
4486                }
4487            })
4488        } else {
4489            cx.open_url(&url);
4490        }
4491    }
4492
4493    fn open_tool_call_location(
4494        &self,
4495        entry_ix: usize,
4496        location_ix: usize,
4497        window: &mut Window,
4498        cx: &mut Context<Self>,
4499    ) -> Option<()> {
4500        let (tool_call_location, agent_location) = self
4501            .thread()?
4502            .read(cx)
4503            .entries()
4504            .get(entry_ix)?
4505            .location(location_ix)?;
4506
4507        let project_path = self
4508            .project
4509            .read(cx)
4510            .find_project_path(&tool_call_location.path, cx)?;
4511
4512        let open_task = self
4513            .workspace
4514            .update(cx, |workspace, cx| {
4515                workspace.open_path(project_path, None, true, window, cx)
4516            })
4517            .log_err()?;
4518        window
4519            .spawn(cx, async move |cx| {
4520                let item = open_task.await?;
4521
4522                let Some(active_editor) = item.downcast::<Editor>() else {
4523                    return anyhow::Ok(());
4524                };
4525
4526                active_editor.update_in(cx, |editor, window, cx| {
4527                    let multibuffer = editor.buffer().read(cx);
4528                    let buffer = multibuffer.as_singleton();
4529                    if agent_location.buffer.upgrade() == buffer {
4530                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4531                        let anchor = editor::Anchor::in_buffer(
4532                            excerpt_id.unwrap(),
4533                            buffer.unwrap().read(cx).remote_id(),
4534                            agent_location.position,
4535                        );
4536                        editor.change_selections(Default::default(), window, cx, |selections| {
4537                            selections.select_anchor_ranges([anchor..anchor]);
4538                        })
4539                    } else {
4540                        let row = tool_call_location.line.unwrap_or_default();
4541                        editor.change_selections(Default::default(), window, cx, |selections| {
4542                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4543                        })
4544                    }
4545                })?;
4546
4547                anyhow::Ok(())
4548            })
4549            .detach_and_log_err(cx);
4550
4551        None
4552    }
4553
4554    pub fn open_thread_as_markdown(
4555        &self,
4556        workspace: Entity<Workspace>,
4557        window: &mut Window,
4558        cx: &mut App,
4559    ) -> Task<Result<()>> {
4560        let markdown_language_task = workspace
4561            .read(cx)
4562            .app_state()
4563            .languages
4564            .language_for_name("Markdown");
4565
4566        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4567            let thread = thread.read(cx);
4568            (thread.title().to_string(), thread.to_markdown(cx))
4569        } else {
4570            return Task::ready(Ok(()));
4571        };
4572
4573        window.spawn(cx, async move |cx| {
4574            let markdown_language = markdown_language_task.await?;
4575
4576            workspace.update_in(cx, |workspace, window, cx| {
4577                let project = workspace.project().clone();
4578
4579                if !project.read(cx).is_local() {
4580                    bail!("failed to open active thread as markdown in remote project");
4581                }
4582
4583                let buffer = project.update(cx, |project, cx| {
4584                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4585                });
4586                let buffer = cx.new(|cx| {
4587                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4588                });
4589
4590                workspace.add_item_to_active_pane(
4591                    Box::new(cx.new(|cx| {
4592                        let mut editor =
4593                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4594                        editor.set_breadcrumb_header(thread_summary);
4595                        editor
4596                    })),
4597                    None,
4598                    true,
4599                    window,
4600                    cx,
4601                );
4602
4603                anyhow::Ok(())
4604            })??;
4605            anyhow::Ok(())
4606        })
4607    }
4608
4609    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4610        self.list_state.scroll_to(ListOffset::default());
4611        cx.notify();
4612    }
4613
4614    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4615        if let Some(thread) = self.thread() {
4616            let entry_count = thread.read(cx).entries().len();
4617            self.list_state.reset(entry_count);
4618            cx.notify();
4619        }
4620    }
4621
4622    fn notify_with_sound(
4623        &mut self,
4624        caption: impl Into<SharedString>,
4625        icon: IconName,
4626        window: &mut Window,
4627        cx: &mut Context<Self>,
4628    ) {
4629        self.play_notification_sound(window, cx);
4630        self.show_notification(caption, icon, window, cx);
4631    }
4632
4633    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4634        let settings = AgentSettings::get_global(cx);
4635        if settings.play_sound_when_agent_done && !window.is_window_active() {
4636            Audio::play_sound(Sound::AgentDone, cx);
4637        }
4638    }
4639
4640    fn show_notification(
4641        &mut self,
4642        caption: impl Into<SharedString>,
4643        icon: IconName,
4644        window: &mut Window,
4645        cx: &mut Context<Self>,
4646    ) {
4647        if window.is_window_active() || !self.notifications.is_empty() {
4648            return;
4649        }
4650
4651        // TODO: Change this once we have title summarization for external agents.
4652        let title = self.agent.name();
4653
4654        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4655            NotifyWhenAgentWaiting::PrimaryScreen => {
4656                if let Some(primary) = cx.primary_display() {
4657                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4658                }
4659            }
4660            NotifyWhenAgentWaiting::AllScreens => {
4661                let caption = caption.into();
4662                for screen in cx.displays() {
4663                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4664                }
4665            }
4666            NotifyWhenAgentWaiting::Never => {
4667                // Don't show anything
4668            }
4669        }
4670    }
4671
4672    fn pop_up(
4673        &mut self,
4674        icon: IconName,
4675        caption: SharedString,
4676        title: SharedString,
4677        window: &mut Window,
4678        screen: Rc<dyn PlatformDisplay>,
4679        cx: &mut Context<Self>,
4680    ) {
4681        let options = AgentNotification::window_options(screen, cx);
4682
4683        let project_name = self.workspace.upgrade().and_then(|workspace| {
4684            workspace
4685                .read(cx)
4686                .project()
4687                .read(cx)
4688                .visible_worktrees(cx)
4689                .next()
4690                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4691        });
4692
4693        if let Some(screen_window) = cx
4694            .open_window(options, |_, cx| {
4695                cx.new(|_| {
4696                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4697                })
4698            })
4699            .log_err()
4700            && let Some(pop_up) = screen_window.entity(cx).log_err()
4701        {
4702            self.notification_subscriptions
4703                .entry(screen_window)
4704                .or_insert_with(Vec::new)
4705                .push(cx.subscribe_in(&pop_up, window, {
4706                    |this, _, event, window, cx| match event {
4707                        AgentNotificationEvent::Accepted => {
4708                            let handle = window.window_handle();
4709                            cx.activate(true);
4710
4711                            let workspace_handle = this.workspace.clone();
4712
4713                            // If there are multiple Zed windows, activate the correct one.
4714                            cx.defer(move |cx| {
4715                                handle
4716                                    .update(cx, |_view, window, _cx| {
4717                                        window.activate_window();
4718
4719                                        if let Some(workspace) = workspace_handle.upgrade() {
4720                                            workspace.update(_cx, |workspace, cx| {
4721                                                workspace.focus_panel::<AgentPanel>(window, cx);
4722                                            });
4723                                        }
4724                                    })
4725                                    .log_err();
4726                            });
4727
4728                            this.dismiss_notifications(cx);
4729                        }
4730                        AgentNotificationEvent::Dismissed => {
4731                            this.dismiss_notifications(cx);
4732                        }
4733                    }
4734                }));
4735
4736            self.notifications.push(screen_window);
4737
4738            // If the user manually refocuses the original window, dismiss the popup.
4739            self.notification_subscriptions
4740                .entry(screen_window)
4741                .or_insert_with(Vec::new)
4742                .push({
4743                    let pop_up_weak = pop_up.downgrade();
4744
4745                    cx.observe_window_activation(window, move |_, window, cx| {
4746                        if window.is_window_active()
4747                            && let Some(pop_up) = pop_up_weak.upgrade()
4748                        {
4749                            pop_up.update(cx, |_, cx| {
4750                                cx.emit(AgentNotificationEvent::Dismissed);
4751                            });
4752                        }
4753                    })
4754                });
4755        }
4756    }
4757
4758    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4759        for window in self.notifications.drain(..) {
4760            window
4761                .update(cx, |_, window, _| {
4762                    window.remove_window();
4763                })
4764                .ok();
4765
4766            self.notification_subscriptions.remove(&window);
4767        }
4768    }
4769
4770    fn render_thread_controls(
4771        &self,
4772        thread: &Entity<AcpThread>,
4773        cx: &Context<Self>,
4774    ) -> impl IntoElement {
4775        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4776        if is_generating {
4777            return h_flex().id("thread-controls-container").child(
4778                div()
4779                    .py_2()
4780                    .px(rems_from_px(22.))
4781                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4782            );
4783        }
4784
4785        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4786            .shape(ui::IconButtonShape::Square)
4787            .icon_size(IconSize::Small)
4788            .icon_color(Color::Ignored)
4789            .tooltip(Tooltip::text("Open Thread as Markdown"))
4790            .on_click(cx.listener(move |this, _, window, cx| {
4791                if let Some(workspace) = this.workspace.upgrade() {
4792                    this.open_thread_as_markdown(workspace, window, cx)
4793                        .detach_and_log_err(cx);
4794                }
4795            }));
4796
4797        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4798            .shape(ui::IconButtonShape::Square)
4799            .icon_size(IconSize::Small)
4800            .icon_color(Color::Ignored)
4801            .tooltip(Tooltip::text("Scroll To Top"))
4802            .on_click(cx.listener(move |this, _, _, cx| {
4803                this.scroll_to_top(cx);
4804            }));
4805
4806        let mut container = h_flex()
4807            .id("thread-controls-container")
4808            .group("thread-controls-container")
4809            .w_full()
4810            .py_2()
4811            .px_5()
4812            .gap_px()
4813            .opacity(0.6)
4814            .hover(|style| style.opacity(1.))
4815            .flex_wrap()
4816            .justify_end();
4817
4818        if AgentSettings::get_global(cx).enable_feedback
4819            && self
4820                .thread()
4821                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4822        {
4823            let feedback = self.thread_feedback.feedback;
4824
4825            container = container
4826                .child(
4827                    div().visible_on_hover("thread-controls-container").child(
4828                        Label::new(match feedback {
4829                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4830                            Some(ThreadFeedback::Negative) => {
4831                                "We appreciate your feedback and will use it to improve."
4832                            }
4833                            None => {
4834                                "Rating the thread sends all of your current conversation to the Zed team."
4835                            }
4836                        })
4837                        .color(Color::Muted)
4838                        .size(LabelSize::XSmall)
4839                        .truncate(),
4840                    ),
4841                )
4842                .child(
4843                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4844                        .shape(ui::IconButtonShape::Square)
4845                        .icon_size(IconSize::Small)
4846                        .icon_color(match feedback {
4847                            Some(ThreadFeedback::Positive) => Color::Accent,
4848                            _ => Color::Ignored,
4849                        })
4850                        .tooltip(Tooltip::text("Helpful Response"))
4851                        .on_click(cx.listener(move |this, _, window, cx| {
4852                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4853                        })),
4854                )
4855                .child(
4856                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4857                        .shape(ui::IconButtonShape::Square)
4858                        .icon_size(IconSize::Small)
4859                        .icon_color(match feedback {
4860                            Some(ThreadFeedback::Negative) => Color::Accent,
4861                            _ => Color::Ignored,
4862                        })
4863                        .tooltip(Tooltip::text("Not Helpful"))
4864                        .on_click(cx.listener(move |this, _, window, cx| {
4865                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4866                        })),
4867                );
4868        }
4869
4870        container.child(open_as_markdown).child(scroll_to_top)
4871    }
4872
4873    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4874        h_flex()
4875            .key_context("AgentFeedbackMessageEditor")
4876            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4877                this.thread_feedback.dismiss_comments();
4878                cx.notify();
4879            }))
4880            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4881                this.submit_feedback_message(cx);
4882            }))
4883            .p_2()
4884            .mb_2()
4885            .mx_5()
4886            .gap_1()
4887            .rounded_md()
4888            .border_1()
4889            .border_color(cx.theme().colors().border)
4890            .bg(cx.theme().colors().editor_background)
4891            .child(div().w_full().child(editor))
4892            .child(
4893                h_flex()
4894                    .child(
4895                        IconButton::new("dismiss-feedback-message", IconName::Close)
4896                            .icon_color(Color::Error)
4897                            .icon_size(IconSize::XSmall)
4898                            .shape(ui::IconButtonShape::Square)
4899                            .on_click(cx.listener(move |this, _, _window, cx| {
4900                                this.thread_feedback.dismiss_comments();
4901                                cx.notify();
4902                            })),
4903                    )
4904                    .child(
4905                        IconButton::new("submit-feedback-message", IconName::Return)
4906                            .icon_size(IconSize::XSmall)
4907                            .shape(ui::IconButtonShape::Square)
4908                            .on_click(cx.listener(move |this, _, _window, cx| {
4909                                this.submit_feedback_message(cx);
4910                            })),
4911                    ),
4912            )
4913    }
4914
4915    fn handle_feedback_click(
4916        &mut self,
4917        feedback: ThreadFeedback,
4918        window: &mut Window,
4919        cx: &mut Context<Self>,
4920    ) {
4921        let Some(thread) = self.thread().cloned() else {
4922            return;
4923        };
4924
4925        self.thread_feedback.submit(thread, feedback, window, cx);
4926        cx.notify();
4927    }
4928
4929    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4930        let Some(thread) = self.thread().cloned() else {
4931            return;
4932        };
4933
4934        self.thread_feedback.submit_comments(thread, cx);
4935        cx.notify();
4936    }
4937
4938    fn render_token_limit_callout(
4939        &self,
4940        line_height: Pixels,
4941        cx: &mut Context<Self>,
4942    ) -> Option<Callout> {
4943        let token_usage = self.thread()?.read(cx).token_usage()?;
4944        let ratio = token_usage.ratio();
4945
4946        let (severity, title) = match ratio {
4947            acp_thread::TokenUsageRatio::Normal => return None,
4948            acp_thread::TokenUsageRatio::Warning => {
4949                (Severity::Warning, "Thread reaching the token limit soon")
4950            }
4951            acp_thread::TokenUsageRatio::Exceeded => {
4952                (Severity::Error, "Thread reached the token limit")
4953            }
4954        };
4955
4956        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4957            thread.read(cx).completion_mode() == CompletionMode::Normal
4958                && thread
4959                    .read(cx)
4960                    .model()
4961                    .is_some_and(|model| model.supports_burn_mode())
4962        });
4963
4964        let description = if burn_mode_available {
4965            "To continue, start a new thread from a summary or turn Burn Mode on."
4966        } else {
4967            "To continue, start a new thread from a summary."
4968        };
4969
4970        Some(
4971            Callout::new()
4972                .severity(severity)
4973                .line_height(line_height)
4974                .title(title)
4975                .description(description)
4976                .actions_slot(
4977                    h_flex()
4978                        .gap_0p5()
4979                        .child(
4980                            Button::new("start-new-thread", "Start New Thread")
4981                                .label_size(LabelSize::Small)
4982                                .on_click(cx.listener(|this, _, window, cx| {
4983                                    let Some(thread) = this.thread() else {
4984                                        return;
4985                                    };
4986                                    let session_id = thread.read(cx).session_id().clone();
4987                                    window.dispatch_action(
4988                                        crate::NewNativeAgentThreadFromSummary {
4989                                            from_session_id: session_id,
4990                                        }
4991                                        .boxed_clone(),
4992                                        cx,
4993                                    );
4994                                })),
4995                        )
4996                        .when(burn_mode_available, |this| {
4997                            this.child(
4998                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4999                                    .icon_size(IconSize::XSmall)
5000                                    .on_click(cx.listener(|this, _event, window, cx| {
5001                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5002                                    })),
5003                            )
5004                        }),
5005                ),
5006        )
5007    }
5008
5009    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5010        if !self.is_using_zed_ai_models(cx) {
5011            return None;
5012        }
5013
5014        let user_store = self.project.read(cx).user_store().read(cx);
5015        if user_store.is_usage_based_billing_enabled() {
5016            return None;
5017        }
5018
5019        let plan = user_store
5020            .plan()
5021            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5022
5023        let usage = user_store.model_request_usage()?;
5024
5025        Some(
5026            div()
5027                .child(UsageCallout::new(plan, usage))
5028                .line_height(line_height),
5029        )
5030    }
5031
5032    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5033        self.entry_view_state.update(cx, |entry_view_state, cx| {
5034            entry_view_state.agent_ui_font_size_changed(cx);
5035        });
5036    }
5037
5038    pub(crate) fn insert_dragged_files(
5039        &self,
5040        paths: Vec<project::ProjectPath>,
5041        added_worktrees: Vec<Entity<project::Worktree>>,
5042        window: &mut Window,
5043        cx: &mut Context<Self>,
5044    ) {
5045        self.message_editor.update(cx, |message_editor, cx| {
5046            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5047        })
5048    }
5049
5050    /// Inserts the selected text into the message editor or the message being
5051    /// edited, if any.
5052    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5053        self.active_editor(cx).update(cx, |editor, cx| {
5054            editor.insert_selections(window, cx);
5055        });
5056    }
5057
5058    fn render_thread_retry_status_callout(
5059        &self,
5060        _window: &mut Window,
5061        _cx: &mut Context<Self>,
5062    ) -> Option<Callout> {
5063        let state = self.thread_retry_status.as_ref()?;
5064
5065        let next_attempt_in = state
5066            .duration
5067            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5068        if next_attempt_in.is_zero() {
5069            return None;
5070        }
5071
5072        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5073
5074        let retry_message = if state.max_attempts == 1 {
5075            if next_attempt_in_secs == 1 {
5076                "Retrying. Next attempt in 1 second.".to_string()
5077            } else {
5078                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5079            }
5080        } else if next_attempt_in_secs == 1 {
5081            format!(
5082                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5083                state.attempt, state.max_attempts,
5084            )
5085        } else {
5086            format!(
5087                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5088                state.attempt, state.max_attempts,
5089            )
5090        };
5091
5092        Some(
5093            Callout::new()
5094                .severity(Severity::Warning)
5095                .title(state.last_error.clone())
5096                .description(retry_message),
5097        )
5098    }
5099
5100    #[cfg(target_os = "windows")]
5101    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5102        if self.show_codex_windows_warning {
5103            Some(
5104                Callout::new()
5105                    .icon(IconName::Warning)
5106                    .severity(Severity::Warning)
5107                    .title("Codex on Windows")
5108                    .description(
5109                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5110                    )
5111                    .actions_slot(
5112                        Button::new("open-wsl-modal", "Open in WSL")
5113                            .icon_size(IconSize::Small)
5114                            .icon_color(Color::Muted)
5115                            .on_click(cx.listener({
5116                                move |_, _, window, cx| {
5117                                    window.dispatch_action(
5118                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5119                                        cx,
5120                                    );
5121                                    cx.notify();
5122                                }
5123                            })),
5124                    )
5125                    .dismiss_action(
5126                        IconButton::new("dismiss", IconName::Close)
5127                            .icon_size(IconSize::Small)
5128                            .icon_color(Color::Muted)
5129                            .tooltip(Tooltip::text("Dismiss Warning"))
5130                            .on_click(cx.listener({
5131                                move |this, _, _, cx| {
5132                                    this.show_codex_windows_warning = false;
5133                                    cx.notify();
5134                                }
5135                            })),
5136                    ),
5137            )
5138        } else {
5139            None
5140        }
5141    }
5142
5143    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5144        let content = match self.thread_error.as_ref()? {
5145            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5146            ThreadError::Refusal => self.render_refusal_error(cx),
5147            ThreadError::AuthenticationRequired(error) => {
5148                self.render_authentication_required_error(error.clone(), cx)
5149            }
5150            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5151            ThreadError::ModelRequestLimitReached(plan) => {
5152                self.render_model_request_limit_reached_error(*plan, cx)
5153            }
5154            ThreadError::ToolUseLimitReached => {
5155                self.render_tool_use_limit_reached_error(window, cx)?
5156            }
5157        };
5158
5159        Some(div().child(content))
5160    }
5161
5162    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5163        v_flex().w_full().justify_end().child(
5164            h_flex()
5165                .p_2()
5166                .pr_3()
5167                .w_full()
5168                .gap_1p5()
5169                .border_t_1()
5170                .border_color(cx.theme().colors().border)
5171                .bg(cx.theme().colors().element_background)
5172                .child(
5173                    h_flex()
5174                        .flex_1()
5175                        .gap_1p5()
5176                        .child(
5177                            Icon::new(IconName::Download)
5178                                .color(Color::Accent)
5179                                .size(IconSize::Small),
5180                        )
5181                        .child(Label::new("New version available").size(LabelSize::Small)),
5182                )
5183                .child(
5184                    Button::new("update-button", format!("Update to v{}", version))
5185                        .label_size(LabelSize::Small)
5186                        .style(ButtonStyle::Tinted(TintColor::Accent))
5187                        .on_click(cx.listener(|this, _, window, cx| {
5188                            this.reset(window, cx);
5189                        })),
5190                ),
5191        )
5192    }
5193
5194    fn get_current_model_name(&self, cx: &App) -> SharedString {
5195        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5196        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5197        // This provides better clarity about what refused the request
5198        if self
5199            .agent
5200            .clone()
5201            .downcast::<agent::NativeAgentServer>()
5202            .is_some()
5203        {
5204            // Native agent - use the model name
5205            self.model_selector
5206                .as_ref()
5207                .and_then(|selector| selector.read(cx).active_model_name(cx))
5208                .unwrap_or_else(|| SharedString::from("The model"))
5209        } else {
5210            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5211            self.agent.name()
5212        }
5213    }
5214
5215    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5216        let model_or_agent_name = self.get_current_model_name(cx);
5217        let refusal_message = format!(
5218            "{} 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.",
5219            model_or_agent_name
5220        );
5221
5222        Callout::new()
5223            .severity(Severity::Error)
5224            .title("Request Refused")
5225            .icon(IconName::XCircle)
5226            .description(refusal_message.clone())
5227            .actions_slot(self.create_copy_button(&refusal_message))
5228            .dismiss_action(self.dismiss_error_button(cx))
5229    }
5230
5231    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5232        let can_resume = self
5233            .thread()
5234            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5235
5236        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5237            let thread = thread.read(cx);
5238            let supports_burn_mode = thread
5239                .model()
5240                .map_or(false, |model| model.supports_burn_mode());
5241            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5242        });
5243
5244        Callout::new()
5245            .severity(Severity::Error)
5246            .title("Error")
5247            .icon(IconName::XCircle)
5248            .description(error.clone())
5249            .actions_slot(
5250                h_flex()
5251                    .gap_0p5()
5252                    .when(can_resume && can_enable_burn_mode, |this| {
5253                        this.child(
5254                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5255                                .icon(IconName::ZedBurnMode)
5256                                .icon_position(IconPosition::Start)
5257                                .icon_size(IconSize::Small)
5258                                .label_size(LabelSize::Small)
5259                                .on_click(cx.listener(|this, _, window, cx| {
5260                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5261                                    this.resume_chat(cx);
5262                                })),
5263                        )
5264                    })
5265                    .when(can_resume, |this| {
5266                        this.child(
5267                            Button::new("retry", "Retry")
5268                                .icon(IconName::RotateCw)
5269                                .icon_position(IconPosition::Start)
5270                                .icon_size(IconSize::Small)
5271                                .label_size(LabelSize::Small)
5272                                .on_click(cx.listener(|this, _, _window, cx| {
5273                                    this.resume_chat(cx);
5274                                })),
5275                        )
5276                    })
5277                    .child(self.create_copy_button(error.to_string())),
5278            )
5279            .dismiss_action(self.dismiss_error_button(cx))
5280    }
5281
5282    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5283        const ERROR_MESSAGE: &str =
5284            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5285
5286        Callout::new()
5287            .severity(Severity::Error)
5288            .icon(IconName::XCircle)
5289            .title("Free Usage Exceeded")
5290            .description(ERROR_MESSAGE)
5291            .actions_slot(
5292                h_flex()
5293                    .gap_0p5()
5294                    .child(self.upgrade_button(cx))
5295                    .child(self.create_copy_button(ERROR_MESSAGE)),
5296            )
5297            .dismiss_action(self.dismiss_error_button(cx))
5298    }
5299
5300    fn render_authentication_required_error(
5301        &self,
5302        error: SharedString,
5303        cx: &mut Context<Self>,
5304    ) -> Callout {
5305        Callout::new()
5306            .severity(Severity::Error)
5307            .title("Authentication Required")
5308            .icon(IconName::XCircle)
5309            .description(error.clone())
5310            .actions_slot(
5311                h_flex()
5312                    .gap_0p5()
5313                    .child(self.authenticate_button(cx))
5314                    .child(self.create_copy_button(error)),
5315            )
5316            .dismiss_action(self.dismiss_error_button(cx))
5317    }
5318
5319    fn render_model_request_limit_reached_error(
5320        &self,
5321        plan: cloud_llm_client::Plan,
5322        cx: &mut Context<Self>,
5323    ) -> Callout {
5324        let error_message = match plan {
5325            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5326                "Upgrade to usage-based billing for more prompts."
5327            }
5328            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5329            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5330            cloud_llm_client::Plan::V2(_) => "",
5331        };
5332
5333        Callout::new()
5334            .severity(Severity::Error)
5335            .title("Model Prompt Limit Reached")
5336            .icon(IconName::XCircle)
5337            .description(error_message)
5338            .actions_slot(
5339                h_flex()
5340                    .gap_0p5()
5341                    .child(self.upgrade_button(cx))
5342                    .child(self.create_copy_button(error_message)),
5343            )
5344            .dismiss_action(self.dismiss_error_button(cx))
5345    }
5346
5347    fn render_tool_use_limit_reached_error(
5348        &self,
5349        window: &mut Window,
5350        cx: &mut Context<Self>,
5351    ) -> Option<Callout> {
5352        let thread = self.as_native_thread(cx)?;
5353        let supports_burn_mode = thread
5354            .read(cx)
5355            .model()
5356            .is_some_and(|model| model.supports_burn_mode());
5357
5358        let focus_handle = self.focus_handle(cx);
5359
5360        Some(
5361            Callout::new()
5362                .icon(IconName::Info)
5363                .title("Consecutive tool use limit reached.")
5364                .actions_slot(
5365                    h_flex()
5366                        .gap_0p5()
5367                        .when(supports_burn_mode, |this| {
5368                            this.child(
5369                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5370                                    .style(ButtonStyle::Filled)
5371                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5372                                    .layer(ElevationIndex::ModalSurface)
5373                                    .label_size(LabelSize::Small)
5374                                    .key_binding(
5375                                        KeyBinding::for_action_in(
5376                                            &ContinueWithBurnMode,
5377                                            &focus_handle,
5378                                            window,
5379                                            cx,
5380                                        )
5381                                        .map(|kb| kb.size(rems_from_px(10.))),
5382                                    )
5383                                    .tooltip(Tooltip::text(
5384                                        "Enable Burn Mode for unlimited tool use.",
5385                                    ))
5386                                    .on_click({
5387                                        cx.listener(move |this, _, _window, cx| {
5388                                            thread.update(cx, |thread, cx| {
5389                                                thread
5390                                                    .set_completion_mode(CompletionMode::Burn, cx);
5391                                            });
5392                                            this.resume_chat(cx);
5393                                        })
5394                                    }),
5395                            )
5396                        })
5397                        .child(
5398                            Button::new("continue-conversation", "Continue")
5399                                .layer(ElevationIndex::ModalSurface)
5400                                .label_size(LabelSize::Small)
5401                                .key_binding(
5402                                    KeyBinding::for_action_in(
5403                                        &ContinueThread,
5404                                        &focus_handle,
5405                                        window,
5406                                        cx,
5407                                    )
5408                                    .map(|kb| kb.size(rems_from_px(10.))),
5409                                )
5410                                .on_click(cx.listener(|this, _, _window, cx| {
5411                                    this.resume_chat(cx);
5412                                })),
5413                        ),
5414                ),
5415        )
5416    }
5417
5418    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5419        let message = message.into();
5420
5421        IconButton::new("copy", IconName::Copy)
5422            .icon_size(IconSize::Small)
5423            .icon_color(Color::Muted)
5424            .tooltip(Tooltip::text("Copy Error Message"))
5425            .on_click(move |_, _, cx| {
5426                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5427            })
5428    }
5429
5430    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5431        IconButton::new("dismiss", IconName::Close)
5432            .icon_size(IconSize::Small)
5433            .icon_color(Color::Muted)
5434            .tooltip(Tooltip::text("Dismiss Error"))
5435            .on_click(cx.listener({
5436                move |this, _, _, cx| {
5437                    this.clear_thread_error(cx);
5438                    cx.notify();
5439                }
5440            }))
5441    }
5442
5443    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5444        Button::new("authenticate", "Authenticate")
5445            .label_size(LabelSize::Small)
5446            .style(ButtonStyle::Filled)
5447            .on_click(cx.listener({
5448                move |this, _, window, cx| {
5449                    let agent = this.agent.clone();
5450                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5451                        return;
5452                    };
5453
5454                    let connection = thread.read(cx).connection().clone();
5455                    let err = AuthRequired {
5456                        description: None,
5457                        provider_id: None,
5458                    };
5459                    this.clear_thread_error(cx);
5460                    let this = cx.weak_entity();
5461                    window.defer(cx, |window, cx| {
5462                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5463                    })
5464                }
5465            }))
5466    }
5467
5468    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5469        let agent = self.agent.clone();
5470        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5471            return;
5472        };
5473
5474        let connection = thread.read(cx).connection().clone();
5475        let err = AuthRequired {
5476            description: None,
5477            provider_id: None,
5478        };
5479        self.clear_thread_error(cx);
5480        let this = cx.weak_entity();
5481        window.defer(cx, |window, cx| {
5482            Self::handle_auth_required(this, err, agent, connection, window, cx);
5483        })
5484    }
5485
5486    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5487        Button::new("upgrade", "Upgrade")
5488            .label_size(LabelSize::Small)
5489            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5490            .on_click(cx.listener({
5491                move |this, _, _, cx| {
5492                    this.clear_thread_error(cx);
5493                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5494                }
5495            }))
5496    }
5497
5498    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5499        let task = match entry {
5500            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5501                history.delete_thread(thread.id.clone(), cx)
5502            }),
5503            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5504                history.delete_text_thread(context.path.clone(), cx)
5505            }),
5506        };
5507        task.detach_and_log_err(cx);
5508    }
5509
5510    /// Returns the currently active editor, either for a message that is being
5511    /// edited or the editor for a new message.
5512    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5513        if let Some(index) = self.editing_message
5514            && let Some(editor) = self
5515                .entry_view_state
5516                .read(cx)
5517                .entry(index)
5518                .and_then(|e| e.message_editor())
5519                .cloned()
5520        {
5521            editor
5522        } else {
5523            self.message_editor.clone()
5524        }
5525    }
5526}
5527
5528fn loading_contents_spinner(size: IconSize) -> AnyElement {
5529    Icon::new(IconName::LoadCircle)
5530        .size(size)
5531        .color(Color::Accent)
5532        .with_rotate_animation(3)
5533        .into_any_element()
5534}
5535
5536impl Focusable for AcpThreadView {
5537    fn focus_handle(&self, cx: &App) -> FocusHandle {
5538        match self.thread_state {
5539            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5540                self.active_editor(cx).focus_handle(cx)
5541            }
5542            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5543                self.focus_handle.clone()
5544            }
5545        }
5546    }
5547}
5548
5549impl Render for AcpThreadView {
5550    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5551        let has_messages = self.list_state.item_count() > 0;
5552        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5553
5554        v_flex()
5555            .size_full()
5556            .key_context("AcpThread")
5557            .on_action(cx.listener(Self::toggle_burn_mode))
5558            .on_action(cx.listener(Self::keep_all))
5559            .on_action(cx.listener(Self::reject_all))
5560            .on_action(cx.listener(Self::allow_always))
5561            .on_action(cx.listener(Self::allow_once))
5562            .on_action(cx.listener(Self::reject_once))
5563            .track_focus(&self.focus_handle)
5564            .bg(cx.theme().colors().panel_background)
5565            .child(match &self.thread_state {
5566                ThreadState::Unauthenticated {
5567                    connection,
5568                    description,
5569                    configuration_view,
5570                    pending_auth_method,
5571                    ..
5572                } => self
5573                    .render_auth_required_state(
5574                        connection,
5575                        description.as_ref(),
5576                        configuration_view.as_ref(),
5577                        pending_auth_method.as_ref(),
5578                        window,
5579                        cx,
5580                    )
5581                    .into_any(),
5582                ThreadState::Loading { .. } => v_flex()
5583                    .flex_1()
5584                    .child(self.render_recent_history(window, cx))
5585                    .into_any(),
5586                ThreadState::LoadError(e) => v_flex()
5587                    .flex_1()
5588                    .size_full()
5589                    .items_center()
5590                    .justify_end()
5591                    .child(self.render_load_error(e, window, cx))
5592                    .into_any(),
5593                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5594                    if has_messages {
5595                        this.child(
5596                            list(
5597                                self.list_state.clone(),
5598                                cx.processor(|this, index: usize, window, cx| {
5599                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5600                                        let entries = &thread.read(cx).entries();
5601                                        Some((entries.get(index)?, entries.len()))
5602                                    }) else {
5603                                        return Empty.into_any();
5604                                    };
5605                                    this.render_entry(index, len, entry, window, cx)
5606                                }),
5607                            )
5608                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5609                            .flex_grow()
5610                            .into_any(),
5611                        )
5612                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5613                        .into_any()
5614                    } else {
5615                        this.child(self.render_recent_history(window, cx))
5616                            .into_any()
5617                    }
5618                }),
5619            })
5620            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5621            // above so that the scrollbar doesn't render behind it. The current setup allows
5622            // the scrollbar to stop exactly at the activity bar start.
5623            .when(has_messages, |this| match &self.thread_state {
5624                ThreadState::Ready { thread, .. } => {
5625                    this.children(self.render_activity_bar(thread, window, cx))
5626                }
5627                _ => this,
5628            })
5629            .children(self.render_thread_retry_status_callout(window, cx))
5630            .children({
5631                #[cfg(target_os = "windows")]
5632                {
5633                    self.render_codex_windows_warning(cx)
5634                }
5635                #[cfg(not(target_os = "windows"))]
5636                {
5637                    Vec::<Empty>::new()
5638                }
5639            })
5640            .children(self.render_thread_error(window, cx))
5641            .when_some(
5642                self.new_server_version_available.as_ref().filter(|_| {
5643                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5644                }),
5645                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5646            )
5647            .children(
5648                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5649                    Some(usage_callout.into_any_element())
5650                } else {
5651                    self.render_token_limit_callout(line_height, cx)
5652                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5653                },
5654            )
5655            .child(self.render_message_editor(window, cx))
5656    }
5657}
5658
5659fn default_markdown_style(
5660    buffer_font: bool,
5661    muted_text: bool,
5662    window: &Window,
5663    cx: &App,
5664) -> MarkdownStyle {
5665    let theme_settings = ThemeSettings::get_global(cx);
5666    let colors = cx.theme().colors();
5667
5668    let buffer_font_size = TextSize::Small.rems(cx);
5669
5670    let mut text_style = window.text_style();
5671    let line_height = buffer_font_size * 1.75;
5672
5673    let font_family = if buffer_font {
5674        theme_settings.buffer_font.family.clone()
5675    } else {
5676        theme_settings.ui_font.family.clone()
5677    };
5678
5679    let font_size = if buffer_font {
5680        TextSize::Small.rems(cx)
5681    } else {
5682        TextSize::Default.rems(cx)
5683    };
5684
5685    let text_color = if muted_text {
5686        colors.text_muted
5687    } else {
5688        colors.text
5689    };
5690
5691    text_style.refine(&TextStyleRefinement {
5692        font_family: Some(font_family),
5693        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5694        font_features: Some(theme_settings.ui_font.features.clone()),
5695        font_size: Some(font_size.into()),
5696        line_height: Some(line_height.into()),
5697        color: Some(text_color),
5698        ..Default::default()
5699    });
5700
5701    MarkdownStyle {
5702        base_text_style: text_style.clone(),
5703        syntax: cx.theme().syntax().clone(),
5704        selection_background_color: colors.element_selection_background,
5705        code_block_overflow_x_scroll: true,
5706        table_overflow_x_scroll: true,
5707        heading_level_styles: Some(HeadingLevelStyles {
5708            h1: Some(TextStyleRefinement {
5709                font_size: Some(rems(1.15).into()),
5710                ..Default::default()
5711            }),
5712            h2: Some(TextStyleRefinement {
5713                font_size: Some(rems(1.1).into()),
5714                ..Default::default()
5715            }),
5716            h3: Some(TextStyleRefinement {
5717                font_size: Some(rems(1.05).into()),
5718                ..Default::default()
5719            }),
5720            h4: Some(TextStyleRefinement {
5721                font_size: Some(rems(1.).into()),
5722                ..Default::default()
5723            }),
5724            h5: Some(TextStyleRefinement {
5725                font_size: Some(rems(0.95).into()),
5726                ..Default::default()
5727            }),
5728            h6: Some(TextStyleRefinement {
5729                font_size: Some(rems(0.875).into()),
5730                ..Default::default()
5731            }),
5732        }),
5733        code_block: StyleRefinement {
5734            padding: EdgesRefinement {
5735                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5736                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5737                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5738                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5739            },
5740            margin: EdgesRefinement {
5741                top: Some(Length::Definite(px(8.).into())),
5742                left: Some(Length::Definite(px(0.).into())),
5743                right: Some(Length::Definite(px(0.).into())),
5744                bottom: Some(Length::Definite(px(12.).into())),
5745            },
5746            border_style: Some(BorderStyle::Solid),
5747            border_widths: EdgesRefinement {
5748                top: Some(AbsoluteLength::Pixels(px(1.))),
5749                left: Some(AbsoluteLength::Pixels(px(1.))),
5750                right: Some(AbsoluteLength::Pixels(px(1.))),
5751                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5752            },
5753            border_color: Some(colors.border_variant),
5754            background: Some(colors.editor_background.into()),
5755            text: Some(TextStyleRefinement {
5756                font_family: Some(theme_settings.buffer_font.family.clone()),
5757                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5758                font_features: Some(theme_settings.buffer_font.features.clone()),
5759                font_size: Some(buffer_font_size.into()),
5760                ..Default::default()
5761            }),
5762            ..Default::default()
5763        },
5764        inline_code: TextStyleRefinement {
5765            font_family: Some(theme_settings.buffer_font.family.clone()),
5766            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5767            font_features: Some(theme_settings.buffer_font.features.clone()),
5768            font_size: Some(buffer_font_size.into()),
5769            background_color: Some(colors.editor_foreground.opacity(0.08)),
5770            ..Default::default()
5771        },
5772        link: TextStyleRefinement {
5773            background_color: Some(colors.editor_foreground.opacity(0.025)),
5774            underline: Some(UnderlineStyle {
5775                color: Some(colors.text_accent.opacity(0.5)),
5776                thickness: px(1.),
5777                ..Default::default()
5778            }),
5779            ..Default::default()
5780        },
5781        ..Default::default()
5782    }
5783}
5784
5785fn plan_label_markdown_style(
5786    status: &acp::PlanEntryStatus,
5787    window: &Window,
5788    cx: &App,
5789) -> MarkdownStyle {
5790    let default_md_style = default_markdown_style(false, false, window, cx);
5791
5792    MarkdownStyle {
5793        base_text_style: TextStyle {
5794            color: cx.theme().colors().text_muted,
5795            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5796                Some(gpui::StrikethroughStyle {
5797                    thickness: px(1.),
5798                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5799                })
5800            } else {
5801                None
5802            },
5803            ..default_md_style.base_text_style
5804        },
5805        ..default_md_style
5806    }
5807}
5808
5809fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5810    let default_md_style = default_markdown_style(true, false, window, cx);
5811
5812    MarkdownStyle {
5813        base_text_style: TextStyle {
5814            ..default_md_style.base_text_style
5815        },
5816        selection_background_color: cx.theme().colors().element_selection_background,
5817        ..Default::default()
5818    }
5819}
5820
5821#[cfg(test)]
5822pub(crate) mod tests {
5823    use acp_thread::StubAgentConnection;
5824    use agent_client_protocol::SessionId;
5825    use assistant_context::ContextStore;
5826    use editor::EditorSettings;
5827    use fs::FakeFs;
5828    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5829    use project::Project;
5830    use serde_json::json;
5831    use settings::SettingsStore;
5832    use std::any::Any;
5833    use std::path::Path;
5834    use workspace::Item;
5835
5836    use super::*;
5837
5838    #[gpui::test]
5839    async fn test_drop(cx: &mut TestAppContext) {
5840        init_test(cx);
5841
5842        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5843        let weak_view = thread_view.downgrade();
5844        drop(thread_view);
5845        assert!(!weak_view.is_upgradable());
5846    }
5847
5848    #[gpui::test]
5849    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5850        init_test(cx);
5851
5852        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5853
5854        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5855        message_editor.update_in(cx, |editor, window, cx| {
5856            editor.set_text("Hello", window, cx);
5857        });
5858
5859        cx.deactivate_window();
5860
5861        thread_view.update_in(cx, |thread_view, window, cx| {
5862            thread_view.send(window, cx);
5863        });
5864
5865        cx.run_until_parked();
5866
5867        assert!(
5868            cx.windows()
5869                .iter()
5870                .any(|window| window.downcast::<AgentNotification>().is_some())
5871        );
5872    }
5873
5874    #[gpui::test]
5875    async fn test_notification_for_error(cx: &mut TestAppContext) {
5876        init_test(cx);
5877
5878        let (thread_view, cx) =
5879            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5880
5881        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5882        message_editor.update_in(cx, |editor, window, cx| {
5883            editor.set_text("Hello", window, cx);
5884        });
5885
5886        cx.deactivate_window();
5887
5888        thread_view.update_in(cx, |thread_view, window, cx| {
5889            thread_view.send(window, cx);
5890        });
5891
5892        cx.run_until_parked();
5893
5894        assert!(
5895            cx.windows()
5896                .iter()
5897                .any(|window| window.downcast::<AgentNotification>().is_some())
5898        );
5899    }
5900
5901    #[gpui::test]
5902    async fn test_refusal_handling(cx: &mut TestAppContext) {
5903        init_test(cx);
5904
5905        let (thread_view, cx) =
5906            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5907
5908        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5909        message_editor.update_in(cx, |editor, window, cx| {
5910            editor.set_text("Do something harmful", window, cx);
5911        });
5912
5913        thread_view.update_in(cx, |thread_view, window, cx| {
5914            thread_view.send(window, cx);
5915        });
5916
5917        cx.run_until_parked();
5918
5919        // Check that the refusal error is set
5920        thread_view.read_with(cx, |thread_view, _cx| {
5921            assert!(
5922                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5923                "Expected refusal error to be set"
5924            );
5925        });
5926    }
5927
5928    #[gpui::test]
5929    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5930        init_test(cx);
5931
5932        let tool_call_id = acp::ToolCallId("1".into());
5933        let tool_call = acp::ToolCall {
5934            id: tool_call_id.clone(),
5935            title: "Label".into(),
5936            kind: acp::ToolKind::Edit,
5937            status: acp::ToolCallStatus::Pending,
5938            content: vec!["hi".into()],
5939            locations: vec![],
5940            raw_input: None,
5941            raw_output: None,
5942            meta: None,
5943        };
5944        let connection =
5945            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5946                tool_call_id,
5947                vec![acp::PermissionOption {
5948                    id: acp::PermissionOptionId("1".into()),
5949                    name: "Allow".into(),
5950                    kind: acp::PermissionOptionKind::AllowOnce,
5951                    meta: None,
5952                }],
5953            )]));
5954
5955        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5956
5957        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5958
5959        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5960        message_editor.update_in(cx, |editor, window, cx| {
5961            editor.set_text("Hello", window, cx);
5962        });
5963
5964        cx.deactivate_window();
5965
5966        thread_view.update_in(cx, |thread_view, window, cx| {
5967            thread_view.send(window, cx);
5968        });
5969
5970        cx.run_until_parked();
5971
5972        assert!(
5973            cx.windows()
5974                .iter()
5975                .any(|window| window.downcast::<AgentNotification>().is_some())
5976        );
5977    }
5978
5979    async fn setup_thread_view(
5980        agent: impl AgentServer + 'static,
5981        cx: &mut TestAppContext,
5982    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5983        let fs = FakeFs::new(cx.executor());
5984        let project = Project::test(fs, [], cx).await;
5985        let (workspace, cx) =
5986            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5987
5988        let context_store =
5989            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5990        let history_store =
5991            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5992
5993        let thread_view = cx.update(|window, cx| {
5994            cx.new(|cx| {
5995                AcpThreadView::new(
5996                    Rc::new(agent),
5997                    None,
5998                    None,
5999                    workspace.downgrade(),
6000                    project,
6001                    history_store,
6002                    None,
6003                    window,
6004                    cx,
6005                )
6006            })
6007        });
6008        cx.run_until_parked();
6009        (thread_view, cx)
6010    }
6011
6012    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6013        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6014
6015        workspace
6016            .update_in(cx, |workspace, window, cx| {
6017                workspace.add_item_to_active_pane(
6018                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6019                    None,
6020                    true,
6021                    window,
6022                    cx,
6023                );
6024            })
6025            .unwrap();
6026    }
6027
6028    struct ThreadViewItem(Entity<AcpThreadView>);
6029
6030    impl Item for ThreadViewItem {
6031        type Event = ();
6032
6033        fn include_in_nav_history() -> bool {
6034            false
6035        }
6036
6037        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6038            "Test".into()
6039        }
6040    }
6041
6042    impl EventEmitter<()> for ThreadViewItem {}
6043
6044    impl Focusable for ThreadViewItem {
6045        fn focus_handle(&self, cx: &App) -> FocusHandle {
6046            self.0.read(cx).focus_handle(cx)
6047        }
6048    }
6049
6050    impl Render for ThreadViewItem {
6051        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6052            self.0.clone().into_any_element()
6053        }
6054    }
6055
6056    struct StubAgentServer<C> {
6057        connection: C,
6058    }
6059
6060    impl<C> StubAgentServer<C> {
6061        fn new(connection: C) -> Self {
6062            Self { connection }
6063        }
6064    }
6065
6066    impl StubAgentServer<StubAgentConnection> {
6067        fn default_response() -> Self {
6068            let conn = StubAgentConnection::new();
6069            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6070                content: "Default response".into(),
6071            }]);
6072            Self::new(conn)
6073        }
6074    }
6075
6076    impl<C> AgentServer for StubAgentServer<C>
6077    where
6078        C: 'static + AgentConnection + Send + Clone,
6079    {
6080        fn telemetry_id(&self) -> &'static str {
6081            "test"
6082        }
6083
6084        fn logo(&self) -> ui::IconName {
6085            ui::IconName::Ai
6086        }
6087
6088        fn name(&self) -> SharedString {
6089            "Test".into()
6090        }
6091
6092        fn connect(
6093            &self,
6094            _root_dir: Option<&Path>,
6095            _delegate: AgentServerDelegate,
6096            _cx: &mut App,
6097        ) -> Task<
6098            gpui::Result<(
6099                Rc<dyn AgentConnection>,
6100                HashMap<String, task::SpawnInTerminal>,
6101            )>,
6102        > {
6103            Task::ready(Ok((Rc::new(self.connection.clone()), HashMap::default())))
6104        }
6105
6106        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6107            self
6108        }
6109    }
6110
6111    #[derive(Clone)]
6112    struct SaboteurAgentConnection;
6113
6114    impl AgentConnection for SaboteurAgentConnection {
6115        fn new_thread(
6116            self: Rc<Self>,
6117            project: Entity<Project>,
6118            _cwd: &Path,
6119            cx: &mut gpui::App,
6120        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6121            Task::ready(Ok(cx.new(|cx| {
6122                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6123                AcpThread::new(
6124                    "SaboteurAgentConnection",
6125                    self,
6126                    project,
6127                    action_log,
6128                    SessionId("test".into()),
6129                    watch::Receiver::constant(acp::PromptCapabilities {
6130                        image: true,
6131                        audio: true,
6132                        embedded_context: true,
6133                        meta: None,
6134                    }),
6135                    cx,
6136                )
6137            })))
6138        }
6139
6140        fn auth_methods(&self) -> &[acp::AuthMethod] {
6141            &[]
6142        }
6143
6144        fn authenticate(
6145            &self,
6146            _method_id: acp::AuthMethodId,
6147            _cx: &mut App,
6148        ) -> Task<gpui::Result<()>> {
6149            unimplemented!()
6150        }
6151
6152        fn prompt(
6153            &self,
6154            _id: Option<acp_thread::UserMessageId>,
6155            _params: acp::PromptRequest,
6156            _cx: &mut App,
6157        ) -> Task<gpui::Result<acp::PromptResponse>> {
6158            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6159        }
6160
6161        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6162            unimplemented!()
6163        }
6164
6165        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6166            self
6167        }
6168    }
6169
6170    /// Simulates a model which always returns a refusal response
6171    #[derive(Clone)]
6172    struct RefusalAgentConnection;
6173
6174    impl AgentConnection for RefusalAgentConnection {
6175        fn new_thread(
6176            self: Rc<Self>,
6177            project: Entity<Project>,
6178            _cwd: &Path,
6179            cx: &mut gpui::App,
6180        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6181            Task::ready(Ok(cx.new(|cx| {
6182                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6183                AcpThread::new(
6184                    "RefusalAgentConnection",
6185                    self,
6186                    project,
6187                    action_log,
6188                    SessionId("test".into()),
6189                    watch::Receiver::constant(acp::PromptCapabilities {
6190                        image: true,
6191                        audio: true,
6192                        embedded_context: true,
6193                        meta: None,
6194                    }),
6195                    cx,
6196                )
6197            })))
6198        }
6199
6200        fn auth_methods(&self) -> &[acp::AuthMethod] {
6201            &[]
6202        }
6203
6204        fn authenticate(
6205            &self,
6206            _method_id: acp::AuthMethodId,
6207            _cx: &mut App,
6208        ) -> Task<gpui::Result<()>> {
6209            unimplemented!()
6210        }
6211
6212        fn prompt(
6213            &self,
6214            _id: Option<acp_thread::UserMessageId>,
6215            _params: acp::PromptRequest,
6216            _cx: &mut App,
6217        ) -> Task<gpui::Result<acp::PromptResponse>> {
6218            Task::ready(Ok(acp::PromptResponse {
6219                stop_reason: acp::StopReason::Refusal,
6220                meta: None,
6221            }))
6222        }
6223
6224        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6225            unimplemented!()
6226        }
6227
6228        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6229            self
6230        }
6231    }
6232
6233    pub(crate) fn init_test(cx: &mut TestAppContext) {
6234        cx.update(|cx| {
6235            let settings_store = SettingsStore::test(cx);
6236            cx.set_global(settings_store);
6237            language::init(cx);
6238            Project::init_settings(cx);
6239            AgentSettings::register(cx);
6240            workspace::init_settings(cx);
6241            theme::init(theme::LoadThemes::JustBase, cx);
6242            release_channel::init(SemanticVersion::default(), cx);
6243            EditorSettings::register(cx);
6244            prompt_store::init(cx)
6245        });
6246    }
6247
6248    #[gpui::test]
6249    async fn test_rewind_views(cx: &mut TestAppContext) {
6250        init_test(cx);
6251
6252        let fs = FakeFs::new(cx.executor());
6253        fs.insert_tree(
6254            "/project",
6255            json!({
6256                "test1.txt": "old content 1",
6257                "test2.txt": "old content 2"
6258            }),
6259        )
6260        .await;
6261        let project = Project::test(fs, [Path::new("/project")], cx).await;
6262        let (workspace, cx) =
6263            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6264
6265        let context_store =
6266            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
6267        let history_store =
6268            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
6269
6270        let connection = Rc::new(StubAgentConnection::new());
6271        let thread_view = cx.update(|window, cx| {
6272            cx.new(|cx| {
6273                AcpThreadView::new(
6274                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6275                    None,
6276                    None,
6277                    workspace.downgrade(),
6278                    project.clone(),
6279                    history_store.clone(),
6280                    None,
6281                    window,
6282                    cx,
6283                )
6284            })
6285        });
6286
6287        cx.run_until_parked();
6288
6289        let thread = thread_view
6290            .read_with(cx, |view, _| view.thread().cloned())
6291            .unwrap();
6292
6293        // First user message
6294        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6295            id: acp::ToolCallId("tool1".into()),
6296            title: "Edit file 1".into(),
6297            kind: acp::ToolKind::Edit,
6298            status: acp::ToolCallStatus::Completed,
6299            content: vec![acp::ToolCallContent::Diff {
6300                diff: acp::Diff {
6301                    path: "/project/test1.txt".into(),
6302                    old_text: Some("old content 1".into()),
6303                    new_text: "new content 1".into(),
6304                    meta: None,
6305                },
6306            }],
6307            locations: vec![],
6308            raw_input: None,
6309            raw_output: None,
6310            meta: None,
6311        })]);
6312
6313        thread
6314            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6315            .await
6316            .unwrap();
6317        cx.run_until_parked();
6318
6319        thread.read_with(cx, |thread, _| {
6320            assert_eq!(thread.entries().len(), 2);
6321        });
6322
6323        thread_view.read_with(cx, |view, cx| {
6324            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6325                assert!(
6326                    entry_view_state
6327                        .entry(0)
6328                        .unwrap()
6329                        .message_editor()
6330                        .is_some()
6331                );
6332                assert!(entry_view_state.entry(1).unwrap().has_content());
6333            });
6334        });
6335
6336        // Second user message
6337        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6338            id: acp::ToolCallId("tool2".into()),
6339            title: "Edit file 2".into(),
6340            kind: acp::ToolKind::Edit,
6341            status: acp::ToolCallStatus::Completed,
6342            content: vec![acp::ToolCallContent::Diff {
6343                diff: acp::Diff {
6344                    path: "/project/test2.txt".into(),
6345                    old_text: Some("old content 2".into()),
6346                    new_text: "new content 2".into(),
6347                    meta: None,
6348                },
6349            }],
6350            locations: vec![],
6351            raw_input: None,
6352            raw_output: None,
6353            meta: None,
6354        })]);
6355
6356        thread
6357            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6358            .await
6359            .unwrap();
6360        cx.run_until_parked();
6361
6362        let second_user_message_id = thread.read_with(cx, |thread, _| {
6363            assert_eq!(thread.entries().len(), 4);
6364            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6365                panic!();
6366            };
6367            user_message.id.clone().unwrap()
6368        });
6369
6370        thread_view.read_with(cx, |view, cx| {
6371            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6372                assert!(
6373                    entry_view_state
6374                        .entry(0)
6375                        .unwrap()
6376                        .message_editor()
6377                        .is_some()
6378                );
6379                assert!(entry_view_state.entry(1).unwrap().has_content());
6380                assert!(
6381                    entry_view_state
6382                        .entry(2)
6383                        .unwrap()
6384                        .message_editor()
6385                        .is_some()
6386                );
6387                assert!(entry_view_state.entry(3).unwrap().has_content());
6388            });
6389        });
6390
6391        // Rewind to first message
6392        thread
6393            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6394            .await
6395            .unwrap();
6396
6397        cx.run_until_parked();
6398
6399        thread.read_with(cx, |thread, _| {
6400            assert_eq!(thread.entries().len(), 2);
6401        });
6402
6403        thread_view.read_with(cx, |view, cx| {
6404            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6405                assert!(
6406                    entry_view_state
6407                        .entry(0)
6408                        .unwrap()
6409                        .message_editor()
6410                        .is_some()
6411                );
6412                assert!(entry_view_state.entry(1).unwrap().has_content());
6413
6414                // Old views should be dropped
6415                assert!(entry_view_state.entry(2).is_none());
6416                assert!(entry_view_state.entry(3).is_none());
6417            });
6418        });
6419    }
6420
6421    #[gpui::test]
6422    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6423        init_test(cx);
6424
6425        let connection = StubAgentConnection::new();
6426
6427        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6428            content: acp::ContentBlock::Text(acp::TextContent {
6429                text: "Response".into(),
6430                annotations: None,
6431                meta: None,
6432            }),
6433        }]);
6434
6435        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6436        add_to_workspace(thread_view.clone(), cx);
6437
6438        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6439        message_editor.update_in(cx, |editor, window, cx| {
6440            editor.set_text("Original message to edit", window, cx);
6441        });
6442        thread_view.update_in(cx, |thread_view, window, cx| {
6443            thread_view.send(window, cx);
6444        });
6445
6446        cx.run_until_parked();
6447
6448        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6449            assert_eq!(view.editing_message, None);
6450
6451            view.entry_view_state
6452                .read(cx)
6453                .entry(0)
6454                .unwrap()
6455                .message_editor()
6456                .unwrap()
6457                .clone()
6458        });
6459
6460        // Focus
6461        cx.focus(&user_message_editor);
6462        thread_view.read_with(cx, |view, _cx| {
6463            assert_eq!(view.editing_message, Some(0));
6464        });
6465
6466        // Edit
6467        user_message_editor.update_in(cx, |editor, window, cx| {
6468            editor.set_text("Edited message content", window, cx);
6469        });
6470
6471        // Cancel
6472        user_message_editor.update_in(cx, |_editor, window, cx| {
6473            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6474        });
6475
6476        thread_view.read_with(cx, |view, _cx| {
6477            assert_eq!(view.editing_message, None);
6478        });
6479
6480        user_message_editor.read_with(cx, |editor, cx| {
6481            assert_eq!(editor.text(cx), "Original message to edit");
6482        });
6483    }
6484
6485    #[gpui::test]
6486    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6487        init_test(cx);
6488
6489        let connection = StubAgentConnection::new();
6490
6491        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6492        add_to_workspace(thread_view.clone(), cx);
6493
6494        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6495        let mut events = cx.events(&message_editor);
6496        message_editor.update_in(cx, |editor, window, cx| {
6497            editor.set_text("", window, cx);
6498        });
6499
6500        message_editor.update_in(cx, |_editor, window, cx| {
6501            window.dispatch_action(Box::new(Chat), cx);
6502        });
6503        cx.run_until_parked();
6504        // We shouldn't have received any messages
6505        assert!(matches!(
6506            events.try_next(),
6507            Err(futures::channel::mpsc::TryRecvError { .. })
6508        ));
6509    }
6510
6511    #[gpui::test]
6512    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6513        init_test(cx);
6514
6515        let connection = StubAgentConnection::new();
6516
6517        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6518            content: acp::ContentBlock::Text(acp::TextContent {
6519                text: "Response".into(),
6520                annotations: None,
6521                meta: None,
6522            }),
6523        }]);
6524
6525        let (thread_view, cx) =
6526            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6527        add_to_workspace(thread_view.clone(), cx);
6528
6529        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6530        message_editor.update_in(cx, |editor, window, cx| {
6531            editor.set_text("Original message to edit", window, cx);
6532        });
6533        thread_view.update_in(cx, |thread_view, window, cx| {
6534            thread_view.send(window, cx);
6535        });
6536
6537        cx.run_until_parked();
6538
6539        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6540            assert_eq!(view.editing_message, None);
6541            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6542
6543            view.entry_view_state
6544                .read(cx)
6545                .entry(0)
6546                .unwrap()
6547                .message_editor()
6548                .unwrap()
6549                .clone()
6550        });
6551
6552        // Focus
6553        cx.focus(&user_message_editor);
6554
6555        // Edit
6556        user_message_editor.update_in(cx, |editor, window, cx| {
6557            editor.set_text("Edited message content", window, cx);
6558        });
6559
6560        // Send
6561        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6562            content: acp::ContentBlock::Text(acp::TextContent {
6563                text: "New Response".into(),
6564                annotations: None,
6565                meta: None,
6566            }),
6567        }]);
6568
6569        user_message_editor.update_in(cx, |_editor, window, cx| {
6570            window.dispatch_action(Box::new(Chat), cx);
6571        });
6572
6573        cx.run_until_parked();
6574
6575        thread_view.read_with(cx, |view, cx| {
6576            assert_eq!(view.editing_message, None);
6577
6578            let entries = view.thread().unwrap().read(cx).entries();
6579            assert_eq!(entries.len(), 2);
6580            assert_eq!(
6581                entries[0].to_markdown(cx),
6582                "## User\n\nEdited message content\n\n"
6583            );
6584            assert_eq!(
6585                entries[1].to_markdown(cx),
6586                "## Assistant\n\nNew Response\n\n"
6587            );
6588
6589            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6590                assert!(!state.entry(1).unwrap().has_content());
6591                state.entry(0).unwrap().message_editor().unwrap().clone()
6592            });
6593
6594            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6595        })
6596    }
6597
6598    #[gpui::test]
6599    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6600        init_test(cx);
6601
6602        let connection = StubAgentConnection::new();
6603
6604        let (thread_view, cx) =
6605            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6606        add_to_workspace(thread_view.clone(), cx);
6607
6608        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6609        message_editor.update_in(cx, |editor, window, cx| {
6610            editor.set_text("Original message to edit", window, cx);
6611        });
6612        thread_view.update_in(cx, |thread_view, window, cx| {
6613            thread_view.send(window, cx);
6614        });
6615
6616        cx.run_until_parked();
6617
6618        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6619            let thread = view.thread().unwrap().read(cx);
6620            assert_eq!(thread.entries().len(), 1);
6621
6622            let editor = view
6623                .entry_view_state
6624                .read(cx)
6625                .entry(0)
6626                .unwrap()
6627                .message_editor()
6628                .unwrap()
6629                .clone();
6630
6631            (editor, thread.session_id().clone())
6632        });
6633
6634        // Focus
6635        cx.focus(&user_message_editor);
6636
6637        thread_view.read_with(cx, |view, _cx| {
6638            assert_eq!(view.editing_message, Some(0));
6639        });
6640
6641        // Edit
6642        user_message_editor.update_in(cx, |editor, window, cx| {
6643            editor.set_text("Edited message content", window, cx);
6644        });
6645
6646        thread_view.read_with(cx, |view, _cx| {
6647            assert_eq!(view.editing_message, Some(0));
6648        });
6649
6650        // Finish streaming response
6651        cx.update(|_, cx| {
6652            connection.send_update(
6653                session_id.clone(),
6654                acp::SessionUpdate::AgentMessageChunk {
6655                    content: acp::ContentBlock::Text(acp::TextContent {
6656                        text: "Response".into(),
6657                        annotations: None,
6658                        meta: None,
6659                    }),
6660                },
6661                cx,
6662            );
6663            connection.end_turn(session_id, acp::StopReason::EndTurn);
6664        });
6665
6666        thread_view.read_with(cx, |view, _cx| {
6667            assert_eq!(view.editing_message, Some(0));
6668        });
6669
6670        cx.run_until_parked();
6671
6672        // Should still be editing
6673        cx.update(|window, cx| {
6674            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6675            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6676            assert_eq!(
6677                user_message_editor.read(cx).text(cx),
6678                "Edited message content"
6679            );
6680        });
6681    }
6682
6683    #[gpui::test]
6684    async fn test_interrupt(cx: &mut TestAppContext) {
6685        init_test(cx);
6686
6687        let connection = StubAgentConnection::new();
6688
6689        let (thread_view, cx) =
6690            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6691        add_to_workspace(thread_view.clone(), cx);
6692
6693        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6694        message_editor.update_in(cx, |editor, window, cx| {
6695            editor.set_text("Message 1", window, cx);
6696        });
6697        thread_view.update_in(cx, |thread_view, window, cx| {
6698            thread_view.send(window, cx);
6699        });
6700
6701        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6702            let thread = view.thread().unwrap();
6703
6704            (thread.clone(), thread.read(cx).session_id().clone())
6705        });
6706
6707        cx.run_until_parked();
6708
6709        cx.update(|_, cx| {
6710            connection.send_update(
6711                session_id.clone(),
6712                acp::SessionUpdate::AgentMessageChunk {
6713                    content: "Message 1 resp".into(),
6714                },
6715                cx,
6716            );
6717        });
6718
6719        cx.run_until_parked();
6720
6721        thread.read_with(cx, |thread, cx| {
6722            assert_eq!(
6723                thread.to_markdown(cx),
6724                indoc::indoc! {"
6725                    ## User
6726
6727                    Message 1
6728
6729                    ## Assistant
6730
6731                    Message 1 resp
6732
6733                "}
6734            )
6735        });
6736
6737        message_editor.update_in(cx, |editor, window, cx| {
6738            editor.set_text("Message 2", window, cx);
6739        });
6740        thread_view.update_in(cx, |thread_view, window, cx| {
6741            thread_view.send(window, cx);
6742        });
6743
6744        cx.update(|_, cx| {
6745            // Simulate a response sent after beginning to cancel
6746            connection.send_update(
6747                session_id.clone(),
6748                acp::SessionUpdate::AgentMessageChunk {
6749                    content: "onse".into(),
6750                },
6751                cx,
6752            );
6753        });
6754
6755        cx.run_until_parked();
6756
6757        // Last Message 1 response should appear before Message 2
6758        thread.read_with(cx, |thread, cx| {
6759            assert_eq!(
6760                thread.to_markdown(cx),
6761                indoc::indoc! {"
6762                    ## User
6763
6764                    Message 1
6765
6766                    ## Assistant
6767
6768                    Message 1 response
6769
6770                    ## User
6771
6772                    Message 2
6773
6774                "}
6775            )
6776        });
6777
6778        cx.update(|_, cx| {
6779            connection.send_update(
6780                session_id.clone(),
6781                acp::SessionUpdate::AgentMessageChunk {
6782                    content: "Message 2 response".into(),
6783                },
6784                cx,
6785            );
6786            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6787        });
6788
6789        cx.run_until_parked();
6790
6791        thread.read_with(cx, |thread, cx| {
6792            assert_eq!(
6793                thread.to_markdown(cx),
6794                indoc::indoc! {"
6795                    ## User
6796
6797                    Message 1
6798
6799                    ## Assistant
6800
6801                    Message 1 response
6802
6803                    ## User
6804
6805                    Message 2
6806
6807                    ## Assistant
6808
6809                    Message 2 response
6810
6811                "}
6812            )
6813        });
6814    }
6815
6816    #[gpui::test]
6817    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
6818        init_test(cx);
6819
6820        let connection = StubAgentConnection::new();
6821        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6822            content: acp::ContentBlock::Text(acp::TextContent {
6823                text: "Response".into(),
6824                annotations: None,
6825                meta: None,
6826            }),
6827        }]);
6828
6829        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6830        add_to_workspace(thread_view.clone(), cx);
6831
6832        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6833        message_editor.update_in(cx, |editor, window, cx| {
6834            editor.set_text("Original message to edit", window, cx)
6835        });
6836        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
6837        cx.run_until_parked();
6838
6839        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
6840            thread_view
6841                .entry_view_state
6842                .read(cx)
6843                .entry(0)
6844                .expect("Should have at least one entry")
6845                .message_editor()
6846                .expect("Should have message editor")
6847                .clone()
6848        });
6849
6850        cx.focus(&user_message_editor);
6851        thread_view.read_with(cx, |thread_view, _cx| {
6852            assert_eq!(thread_view.editing_message, Some(0));
6853        });
6854
6855        // Ensure to edit the focused message before proceeding otherwise, since
6856        // its content is not different from what was sent, focus will be lost.
6857        user_message_editor.update_in(cx, |editor, window, cx| {
6858            editor.set_text("Original message to edit with ", window, cx)
6859        });
6860
6861        // Create a simple buffer with some text so we can create a selection
6862        // that will then be added to the message being edited.
6863        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6864            (thread_view.workspace.clone(), thread_view.project.clone())
6865        });
6866        let buffer = project.update(cx, |project, cx| {
6867            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6868        });
6869
6870        workspace
6871            .update_in(cx, |workspace, window, cx| {
6872                let editor = cx.new(|cx| {
6873                    let mut editor =
6874                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6875
6876                    editor.change_selections(Default::default(), window, cx, |selections| {
6877                        selections.select_ranges([8..15]);
6878                    });
6879
6880                    editor
6881                });
6882                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6883            })
6884            .unwrap();
6885
6886        thread_view.update_in(cx, |thread_view, window, cx| {
6887            assert_eq!(thread_view.editing_message, Some(0));
6888            thread_view.insert_selections(window, cx);
6889        });
6890
6891        user_message_editor.read_with(cx, |editor, cx| {
6892            let text = editor.editor().read(cx).text(cx);
6893            let expected_text = String::from("Original message to edit with selection ");
6894
6895            assert_eq!(text, expected_text);
6896        });
6897    }
6898
6899    #[gpui::test]
6900    async fn test_insert_selections(cx: &mut TestAppContext) {
6901        init_test(cx);
6902
6903        let connection = StubAgentConnection::new();
6904        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6905            content: acp::ContentBlock::Text(acp::TextContent {
6906                text: "Response".into(),
6907                annotations: None,
6908                meta: None,
6909            }),
6910        }]);
6911
6912        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6913        add_to_workspace(thread_view.clone(), cx);
6914
6915        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6916        message_editor.update_in(cx, |editor, window, cx| {
6917            editor.set_text("Can you review this snippet ", window, cx)
6918        });
6919
6920        // Create a simple buffer with some text so we can create a selection
6921        // that will then be added to the message being edited.
6922        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
6923            (thread_view.workspace.clone(), thread_view.project.clone())
6924        });
6925        let buffer = project.update(cx, |project, cx| {
6926            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
6927        });
6928
6929        workspace
6930            .update_in(cx, |workspace, window, cx| {
6931                let editor = cx.new(|cx| {
6932                    let mut editor =
6933                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
6934
6935                    editor.change_selections(Default::default(), window, cx, |selections| {
6936                        selections.select_ranges([8..15]);
6937                    });
6938
6939                    editor
6940                });
6941                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
6942            })
6943            .unwrap();
6944
6945        thread_view.update_in(cx, |thread_view, window, cx| {
6946            assert_eq!(thread_view.editing_message, None);
6947            thread_view.insert_selections(window, cx);
6948        });
6949
6950        thread_view.read_with(cx, |thread_view, cx| {
6951            let text = thread_view.message_editor.read(cx).text(cx);
6952            let expected_txt = String::from("Can you review this snippet selection ");
6953
6954            assert_eq!(text, expected_txt);
6955        })
6956    }
6957}