thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, ThreadStatus, ToolCall, ToolCallContent, ToolCallStatus,
   4    UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent::{TextThreadStore, ThreadStore};
   9use agent_client_protocol::{self as acp};
  10use agent_servers::AgentServer;
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  12use anyhow::bail;
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use gpui::{
  22    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  23    EdgesRefinement, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset, ListState,
  24    MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription, Task,
  25    TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
  26    WindowHandle, div, linear_color_stop, linear_gradient, list, percentage, point, prelude::*,
  27    pulsating_between,
  28};
  29use language::Buffer;
  30
  31use language_model::LanguageModelRegistry;
  32use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  33use project::Project;
  34use prompt_store::PromptId;
  35use rope::Point;
  36use settings::{Settings as _, SettingsStore};
  37use std::sync::Arc;
  38use std::{collections::BTreeMap, process::ExitStatus, rc::Rc, time::Duration};
  39use text::Anchor;
  40use theme::ThemeSettings;
  41use ui::{
  42    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  43    Scrollbar, ScrollbarState, Tooltip, prelude::*,
  44};
  45use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  46use workspace::{CollaboratorId, Workspace};
  47use zed_actions::agent::{Chat, ToggleModelSelector};
  48use zed_actions::assistant::OpenRulesLibrary;
  49
  50use super::entry_view_state::EntryViewState;
  51use crate::acp::AcpModelSelectorPopover;
  52use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  53use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  54use crate::agent_diff::AgentDiff;
  55use crate::profile_selector::{ProfileProvider, ProfileSelector};
  56use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip};
  57use crate::{
  58    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  59    KeepAll, OpenAgentDiff, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  60};
  61
  62const RESPONSE_PADDING_X: Pixels = px(19.);
  63pub const MIN_EDITOR_LINES: usize = 4;
  64pub const MAX_EDITOR_LINES: usize = 8;
  65
  66enum ThreadError {
  67    PaymentRequired,
  68    ModelRequestLimitReached(cloud_llm_client::Plan),
  69    ToolUseLimitReached,
  70    Other(SharedString),
  71}
  72
  73impl ThreadError {
  74    fn from_err(error: anyhow::Error) -> Self {
  75        if error.is::<language_model::PaymentRequiredError>() {
  76            Self::PaymentRequired
  77        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  78            Self::ToolUseLimitReached
  79        } else if let Some(error) =
  80            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  81        {
  82            Self::ModelRequestLimitReached(error.plan)
  83        } else {
  84            Self::Other(error.to_string().into())
  85        }
  86    }
  87}
  88
  89impl ProfileProvider for Entity<agent2::Thread> {
  90    fn profile_id(&self, cx: &App) -> AgentProfileId {
  91        self.read(cx).profile().clone()
  92    }
  93
  94    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
  95        self.update(cx, |thread, _cx| {
  96            thread.set_profile(profile_id);
  97        });
  98    }
  99
 100    fn profiles_supported(&self, cx: &App) -> bool {
 101        self.read(cx)
 102            .model()
 103            .map_or(false, |model| model.supports_tools())
 104    }
 105}
 106
 107pub struct AcpThreadView {
 108    agent: Rc<dyn AgentServer>,
 109    workspace: WeakEntity<Workspace>,
 110    project: Entity<Project>,
 111    thread_state: ThreadState,
 112    entry_view_state: Entity<EntryViewState>,
 113    message_editor: Entity<MessageEditor>,
 114    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 115    profile_selector: Option<Entity<ProfileSelector>>,
 116    notifications: Vec<WindowHandle<AgentNotification>>,
 117    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 118    thread_error: Option<ThreadError>,
 119    list_state: ListState,
 120    scrollbar_state: ScrollbarState,
 121    auth_task: Option<Task<()>>,
 122    expanded_tool_calls: HashSet<acp::ToolCallId>,
 123    expanded_thinking_blocks: HashSet<(usize, usize)>,
 124    edits_expanded: bool,
 125    plan_expanded: bool,
 126    editor_expanded: bool,
 127    terminal_expanded: bool,
 128    editing_message: Option<usize>,
 129    _cancel_task: Option<Task<()>>,
 130    _subscriptions: [Subscription; 3],
 131}
 132
 133enum ThreadState {
 134    Loading {
 135        _task: Task<()>,
 136    },
 137    Ready {
 138        thread: Entity<AcpThread>,
 139        _subscription: [Subscription; 2],
 140    },
 141    LoadError(LoadError),
 142    Unauthenticated {
 143        connection: Rc<dyn AgentConnection>,
 144        description: Option<Entity<Markdown>>,
 145        configuration_view: Option<AnyView>,
 146        _subscription: Option<Subscription>,
 147    },
 148    ServerExited {
 149        status: ExitStatus,
 150    },
 151}
 152
 153impl AcpThreadView {
 154    pub fn new(
 155        agent: Rc<dyn AgentServer>,
 156        workspace: WeakEntity<Workspace>,
 157        project: Entity<Project>,
 158        thread_store: Entity<ThreadStore>,
 159        text_thread_store: Entity<TextThreadStore>,
 160        window: &mut Window,
 161        cx: &mut Context<Self>,
 162    ) -> Self {
 163        let message_editor = cx.new(|cx| {
 164            MessageEditor::new(
 165                workspace.clone(),
 166                project.clone(),
 167                thread_store.clone(),
 168                text_thread_store.clone(),
 169                "Message the agent - @ to include context",
 170                editor::EditorMode::AutoHeight {
 171                    min_lines: MIN_EDITOR_LINES,
 172                    max_lines: Some(MAX_EDITOR_LINES),
 173                },
 174                window,
 175                cx,
 176            )
 177        });
 178
 179        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 180
 181        let entry_view_state = cx.new(|_| {
 182            EntryViewState::new(
 183                workspace.clone(),
 184                project.clone(),
 185                thread_store.clone(),
 186                text_thread_store.clone(),
 187            )
 188        });
 189
 190        let subscriptions = [
 191            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 192            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 193            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 194        ];
 195
 196        Self {
 197            agent: agent.clone(),
 198            workspace: workspace.clone(),
 199            project: project.clone(),
 200            entry_view_state,
 201            thread_state: Self::initial_state(agent, workspace, project, window, cx),
 202            message_editor,
 203            model_selector: None,
 204            profile_selector: None,
 205            notifications: Vec::new(),
 206            notification_subscriptions: HashMap::default(),
 207            list_state: list_state.clone(),
 208            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 209            thread_error: None,
 210            auth_task: None,
 211            expanded_tool_calls: HashSet::default(),
 212            expanded_thinking_blocks: HashSet::default(),
 213            editing_message: None,
 214            edits_expanded: false,
 215            plan_expanded: false,
 216            editor_expanded: false,
 217            terminal_expanded: true,
 218            _subscriptions: subscriptions,
 219            _cancel_task: None,
 220        }
 221    }
 222
 223    fn initial_state(
 224        agent: Rc<dyn AgentServer>,
 225        workspace: WeakEntity<Workspace>,
 226        project: Entity<Project>,
 227        window: &mut Window,
 228        cx: &mut Context<Self>,
 229    ) -> ThreadState {
 230        let root_dir = project
 231            .read(cx)
 232            .visible_worktrees(cx)
 233            .next()
 234            .map(|worktree| worktree.read(cx).abs_path())
 235            .unwrap_or_else(|| paths::home_dir().as_path().into());
 236
 237        let connect_task = agent.connect(&root_dir, &project, cx);
 238        let load_task = cx.spawn_in(window, async move |this, cx| {
 239            let connection = match connect_task.await {
 240                Ok(connection) => connection,
 241                Err(err) => {
 242                    this.update(cx, |this, cx| {
 243                        this.handle_load_error(err, cx);
 244                        cx.notify();
 245                    })
 246                    .log_err();
 247                    return;
 248                }
 249            };
 250
 251            // this.update_in(cx, |_this, _window, cx| {
 252            //     let status = connection.exit_status(cx);
 253            //     cx.spawn(async move |this, cx| {
 254            //         let status = status.await.ok();
 255            //         this.update(cx, |this, cx| {
 256            //             this.thread_state = ThreadState::ServerExited { status };
 257            //             cx.notify();
 258            //         })
 259            //         .ok();
 260            //     })
 261            //     .detach();
 262            // })
 263            // .ok();
 264
 265            let Some(result) = cx
 266                .update(|_, cx| {
 267                    connection
 268                        .clone()
 269                        .new_thread(project.clone(), &root_dir, cx)
 270                })
 271                .log_err()
 272            else {
 273                return;
 274            };
 275
 276            let result = match result.await {
 277                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 278                    Ok(err) => {
 279                        cx.update(|window, cx| {
 280                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 281                        })
 282                        .log_err();
 283                        return;
 284                    }
 285                    Err(err) => Err(err),
 286                },
 287                Ok(thread) => Ok(thread),
 288            };
 289
 290            this.update_in(cx, |this, window, cx| {
 291                match result {
 292                    Ok(thread) => {
 293                        let thread_subscription =
 294                            cx.subscribe_in(&thread, window, Self::handle_thread_event);
 295
 296                        let action_log = thread.read(cx).action_log().clone();
 297                        let action_log_subscription =
 298                            cx.observe(&action_log, |_, _, cx| cx.notify());
 299
 300                        this.list_state
 301                            .splice(0..0, thread.read(cx).entries().len());
 302
 303                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 304
 305                        this.model_selector =
 306                            thread
 307                                .read(cx)
 308                                .connection()
 309                                .model_selector()
 310                                .map(|selector| {
 311                                    cx.new(|cx| {
 312                                        AcpModelSelectorPopover::new(
 313                                            thread.read(cx).session_id().clone(),
 314                                            selector,
 315                                            PopoverMenuHandle::default(),
 316                                            this.focus_handle(cx),
 317                                            window,
 318                                            cx,
 319                                        )
 320                                    })
 321                                });
 322
 323                        this.thread_state = ThreadState::Ready {
 324                            thread,
 325                            _subscription: [thread_subscription, action_log_subscription],
 326                        };
 327
 328                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 329                            cx.new(|cx| {
 330                                ProfileSelector::new(
 331                                    <dyn Fs>::global(cx),
 332                                    Arc::new(thread.clone()),
 333                                    this.focus_handle(cx),
 334                                    cx,
 335                                )
 336                            })
 337                        });
 338
 339                        cx.notify();
 340                    }
 341                    Err(err) => {
 342                        this.handle_load_error(err, cx);
 343                    }
 344                };
 345            })
 346            .log_err();
 347        });
 348
 349        ThreadState::Loading { _task: load_task }
 350    }
 351
 352    fn handle_auth_required(
 353        this: WeakEntity<Self>,
 354        err: AuthRequired,
 355        agent: Rc<dyn AgentServer>,
 356        connection: Rc<dyn AgentConnection>,
 357        window: &mut Window,
 358        cx: &mut App,
 359    ) {
 360        let agent_name = agent.name();
 361        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 362            let registry = LanguageModelRegistry::global(cx);
 363
 364            let sub = window.subscribe(&registry, cx, {
 365                let provider_id = provider_id.clone();
 366                let this = this.clone();
 367                move |_, ev, window, cx| {
 368                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev {
 369                        if &provider_id == updated_provider_id {
 370                            this.update(cx, |this, cx| {
 371                                this.thread_state = Self::initial_state(
 372                                    agent.clone(),
 373                                    this.workspace.clone(),
 374                                    this.project.clone(),
 375                                    window,
 376                                    cx,
 377                                );
 378                                cx.notify();
 379                            })
 380                            .ok();
 381                        }
 382                    }
 383                }
 384            });
 385
 386            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 387                provider.configuration_view(
 388                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 389                    window,
 390                    cx,
 391                )
 392            });
 393
 394            (view, Some(sub))
 395        } else {
 396            (None, None)
 397        };
 398
 399        this.update(cx, |this, cx| {
 400            this.thread_state = ThreadState::Unauthenticated {
 401                connection,
 402                configuration_view,
 403                description: err
 404                    .description
 405                    .clone()
 406                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 407                _subscription: subscription,
 408            };
 409            cx.notify();
 410        })
 411        .ok();
 412    }
 413
 414    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 415        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 416            self.thread_state = ThreadState::LoadError(load_err.clone());
 417        } else {
 418            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 419        }
 420        cx.notify();
 421    }
 422
 423    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 424        match &self.thread_state {
 425            ThreadState::Ready { thread, .. } => Some(thread),
 426            ThreadState::Unauthenticated { .. }
 427            | ThreadState::Loading { .. }
 428            | ThreadState::LoadError(..)
 429            | ThreadState::ServerExited { .. } => None,
 430        }
 431    }
 432
 433    pub fn title(&self, cx: &App) -> SharedString {
 434        match &self.thread_state {
 435            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 436            ThreadState::Loading { .. } => "Loading…".into(),
 437            ThreadState::LoadError(_) => "Failed to load".into(),
 438            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 439            ThreadState::ServerExited { .. } => "Server exited unexpectedly".into(),
 440        }
 441    }
 442
 443    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 444        self.thread_error.take();
 445
 446        if let Some(thread) = self.thread() {
 447            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 448        }
 449    }
 450
 451    pub fn expand_message_editor(
 452        &mut self,
 453        _: &ExpandMessageEditor,
 454        _window: &mut Window,
 455        cx: &mut Context<Self>,
 456    ) {
 457        self.set_editor_is_expanded(!self.editor_expanded, cx);
 458        cx.notify();
 459    }
 460
 461    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 462        self.editor_expanded = is_expanded;
 463        self.message_editor.update(cx, |editor, cx| {
 464            if is_expanded {
 465                editor.set_mode(
 466                    EditorMode::Full {
 467                        scale_ui_elements_with_buffer_font_size: false,
 468                        show_active_line_background: false,
 469                        sized_by_content: false,
 470                    },
 471                    cx,
 472                )
 473            } else {
 474                editor.set_mode(
 475                    EditorMode::AutoHeight {
 476                        min_lines: MIN_EDITOR_LINES,
 477                        max_lines: Some(MAX_EDITOR_LINES),
 478                    },
 479                    cx,
 480                )
 481            }
 482        });
 483        cx.notify();
 484    }
 485
 486    pub fn handle_message_editor_event(
 487        &mut self,
 488        _: &Entity<MessageEditor>,
 489        event: &MessageEditorEvent,
 490        window: &mut Window,
 491        cx: &mut Context<Self>,
 492    ) {
 493        match event {
 494            MessageEditorEvent::Send => self.send(window, cx),
 495            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 496            MessageEditorEvent::Focus => {
 497                self.cancel_editing(&Default::default(), window, cx);
 498            }
 499        }
 500    }
 501
 502    pub fn handle_entry_view_event(
 503        &mut self,
 504        _: &Entity<EntryViewState>,
 505        event: &EntryViewEvent,
 506        window: &mut Window,
 507        cx: &mut Context<Self>,
 508    ) {
 509        match &event.view_event {
 510            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 511                self.editing_message = Some(event.entry_index);
 512                cx.notify();
 513            }
 514            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 515                self.regenerate(event.entry_index, editor, window, cx);
 516            }
 517            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 518                self.cancel_editing(&Default::default(), window, cx);
 519            }
 520        }
 521    }
 522
 523    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 524        self.thread_error.take();
 525        let Some(thread) = self.thread() else {
 526            return;
 527        };
 528
 529        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 530        cx.spawn(async move |this, cx| {
 531            let result = task.await;
 532
 533            this.update(cx, |this, cx| {
 534                if let Err(err) = result {
 535                    this.handle_thread_error(err, cx);
 536                }
 537            })
 538        })
 539        .detach();
 540    }
 541
 542    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 543        if let Some(thread) = self.thread() {
 544            if thread.read(cx).status() != ThreadStatus::Idle {
 545                self.stop_current_and_send_new_message(window, cx);
 546                return;
 547            }
 548        }
 549
 550        let contents = self
 551            .message_editor
 552            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 553        self.send_impl(contents, window, cx)
 554    }
 555
 556    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 557        let Some(thread) = self.thread().cloned() else {
 558            return;
 559        };
 560
 561        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 562
 563        let contents = self
 564            .message_editor
 565            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 566
 567        cx.spawn_in(window, async move |this, cx| {
 568            cancelled.await;
 569
 570            this.update_in(cx, |this, window, cx| {
 571                this.send_impl(contents, window, cx);
 572            })
 573            .ok();
 574        })
 575        .detach();
 576    }
 577
 578    fn send_impl(
 579        &mut self,
 580        contents: Task<anyhow::Result<Vec<acp::ContentBlock>>>,
 581        window: &mut Window,
 582        cx: &mut Context<Self>,
 583    ) {
 584        self.thread_error.take();
 585        self.editing_message.take();
 586
 587        let Some(thread) = self.thread().cloned() else {
 588            return;
 589        };
 590        let task = cx.spawn_in(window, async move |this, cx| {
 591            let contents = contents.await?;
 592
 593            if contents.is_empty() {
 594                return Ok(());
 595            }
 596
 597            this.update_in(cx, |this, window, cx| {
 598                this.set_editor_is_expanded(false, cx);
 599                this.scroll_to_bottom(cx);
 600                this.message_editor.update(cx, |message_editor, cx| {
 601                    message_editor.clear(window, cx);
 602                });
 603            })?;
 604            let send = thread.update(cx, |thread, cx| thread.send(contents, cx))?;
 605            send.await
 606        });
 607
 608        cx.spawn(async move |this, cx| {
 609            if let Err(err) = task.await {
 610                this.update(cx, |this, cx| {
 611                    this.handle_thread_error(err, cx);
 612                })
 613                .ok();
 614            }
 615        })
 616        .detach();
 617    }
 618
 619    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 620        let Some(thread) = self.thread().cloned() else {
 621            return;
 622        };
 623
 624        if let Some(index) = self.editing_message.take() {
 625            if let Some(editor) = self
 626                .entry_view_state
 627                .read(cx)
 628                .entry(index)
 629                .and_then(|e| e.message_editor())
 630                .cloned()
 631            {
 632                editor.update(cx, |editor, cx| {
 633                    if let Some(user_message) = thread
 634                        .read(cx)
 635                        .entries()
 636                        .get(index)
 637                        .and_then(|e| e.user_message())
 638                    {
 639                        editor.set_message(user_message.chunks.clone(), window, cx);
 640                    }
 641                })
 642            }
 643        };
 644        self.focus_handle(cx).focus(window);
 645        cx.notify();
 646    }
 647
 648    fn regenerate(
 649        &mut self,
 650        entry_ix: usize,
 651        message_editor: &Entity<MessageEditor>,
 652        window: &mut Window,
 653        cx: &mut Context<Self>,
 654    ) {
 655        let Some(thread) = self.thread().cloned() else {
 656            return;
 657        };
 658
 659        let Some(rewind) = thread.update(cx, |thread, cx| {
 660            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 661            Some(thread.rewind(user_message_id, cx))
 662        }) else {
 663            return;
 664        };
 665
 666        let contents =
 667            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 668
 669        let task = cx.foreground_executor().spawn(async move {
 670            rewind.await?;
 671            contents.await
 672        });
 673        self.send_impl(task, window, cx);
 674    }
 675
 676    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 677        if let Some(thread) = self.thread() {
 678            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 679        }
 680    }
 681
 682    fn open_edited_buffer(
 683        &mut self,
 684        buffer: &Entity<Buffer>,
 685        window: &mut Window,
 686        cx: &mut Context<Self>,
 687    ) {
 688        let Some(thread) = self.thread() else {
 689            return;
 690        };
 691
 692        let Some(diff) =
 693            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 694        else {
 695            return;
 696        };
 697
 698        diff.update(cx, |diff, cx| {
 699            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 700        })
 701    }
 702
 703    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
 704        self.thread_error = Some(ThreadError::from_err(error));
 705        cx.notify();
 706    }
 707
 708    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
 709        self.thread_error = None;
 710        cx.notify();
 711    }
 712
 713    fn handle_thread_event(
 714        &mut self,
 715        thread: &Entity<AcpThread>,
 716        event: &AcpThreadEvent,
 717        window: &mut Window,
 718        cx: &mut Context<Self>,
 719    ) {
 720        match event {
 721            AcpThreadEvent::NewEntry => {
 722                let len = thread.read(cx).entries().len();
 723                let index = len - 1;
 724                self.entry_view_state.update(cx, |view_state, cx| {
 725                    view_state.sync_entry(index, thread, window, cx)
 726                });
 727                self.list_state.splice(index..index, 1);
 728            }
 729            AcpThreadEvent::EntryUpdated(index) => {
 730                self.entry_view_state.update(cx, |view_state, cx| {
 731                    view_state.sync_entry(*index, thread, window, cx)
 732                });
 733                self.list_state.splice(*index..index + 1, 1);
 734            }
 735            AcpThreadEvent::EntriesRemoved(range) => {
 736                self.entry_view_state
 737                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
 738                self.list_state.splice(range.clone(), 0);
 739            }
 740            AcpThreadEvent::ToolAuthorizationRequired => {
 741                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
 742            }
 743            AcpThreadEvent::Stopped => {
 744                let used_tools = thread.read(cx).used_tools_since_last_user_message();
 745                self.notify_with_sound(
 746                    if used_tools {
 747                        "Finished running tools"
 748                    } else {
 749                        "New message"
 750                    },
 751                    IconName::ZedAssistant,
 752                    window,
 753                    cx,
 754                );
 755            }
 756            AcpThreadEvent::Error => {
 757                self.notify_with_sound(
 758                    "Agent stopped due to an error",
 759                    IconName::Warning,
 760                    window,
 761                    cx,
 762                );
 763            }
 764            AcpThreadEvent::ServerExited(status) => {
 765                self.thread_state = ThreadState::ServerExited { status: *status };
 766            }
 767        }
 768        cx.notify();
 769    }
 770
 771    fn authenticate(
 772        &mut self,
 773        method: acp::AuthMethodId,
 774        window: &mut Window,
 775        cx: &mut Context<Self>,
 776    ) {
 777        let ThreadState::Unauthenticated { ref connection, .. } = self.thread_state else {
 778            return;
 779        };
 780
 781        self.thread_error.take();
 782        let authenticate = connection.authenticate(method, cx);
 783        self.auth_task = Some(cx.spawn_in(window, {
 784            let project = self.project.clone();
 785            let agent = self.agent.clone();
 786            async move |this, cx| {
 787                let result = authenticate.await;
 788
 789                this.update_in(cx, |this, window, cx| {
 790                    if let Err(err) = result {
 791                        this.handle_thread_error(err, cx);
 792                    } else {
 793                        this.thread_state = Self::initial_state(
 794                            agent,
 795                            this.workspace.clone(),
 796                            project.clone(),
 797                            window,
 798                            cx,
 799                        )
 800                    }
 801                    this.auth_task.take()
 802                })
 803                .ok();
 804            }
 805        }));
 806    }
 807
 808    fn authorize_tool_call(
 809        &mut self,
 810        tool_call_id: acp::ToolCallId,
 811        option_id: acp::PermissionOptionId,
 812        option_kind: acp::PermissionOptionKind,
 813        cx: &mut Context<Self>,
 814    ) {
 815        let Some(thread) = self.thread() else {
 816            return;
 817        };
 818        thread.update(cx, |thread, cx| {
 819            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
 820        });
 821        cx.notify();
 822    }
 823
 824    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
 825        let Some(thread) = self.thread() else {
 826            return;
 827        };
 828        thread
 829            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
 830            .detach_and_log_err(cx);
 831        cx.notify();
 832    }
 833
 834    fn render_entry(
 835        &self,
 836        entry_ix: usize,
 837        total_entries: usize,
 838        entry: &AgentThreadEntry,
 839        window: &mut Window,
 840        cx: &Context<Self>,
 841    ) -> AnyElement {
 842        let primary = match &entry {
 843            AgentThreadEntry::UserMessage(message) => {
 844                let Some(editor) = self
 845                    .entry_view_state
 846                    .read(cx)
 847                    .entry(entry_ix)
 848                    .and_then(|entry| entry.message_editor())
 849                    .cloned()
 850                else {
 851                    return Empty.into_any_element();
 852                };
 853
 854                let editing = self.editing_message == Some(entry_ix);
 855                let editor_focus = editor.focus_handle(cx).is_focused(window);
 856                let focus_border = cx.theme().colors().border_focused;
 857
 858                div()
 859                    .id(("user_message", entry_ix))
 860                    .py_4()
 861                    .px_2()
 862                    .children(message.id.clone().and_then(|message_id| {
 863                        message.checkpoint.as_ref()?.show.then(|| {
 864                            Button::new("restore-checkpoint", "Restore Checkpoint")
 865                                .icon(IconName::Undo)
 866                                .icon_size(IconSize::XSmall)
 867                                .icon_position(IconPosition::Start)
 868                                .label_size(LabelSize::XSmall)
 869                                .on_click(cx.listener(move |this, _, _window, cx| {
 870                                    this.rewind(&message_id, cx);
 871                                }))
 872                        })
 873                    }))
 874                    .child(
 875                        div()
 876                            .relative()
 877                            .child(
 878                                div()
 879                                    .p_3()
 880                                    .rounded_lg()
 881                                    .shadow_md()
 882                                    .bg(cx.theme().colors().editor_background)
 883                                    .border_1()
 884                                    .when(editing && !editor_focus, |this| this.border_dashed())
 885                                    .border_color(cx.theme().colors().border)
 886                                    .map(|this|{
 887                                        if editor_focus {
 888                                            this.border_color(focus_border)
 889                                        } else {
 890                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
 891                                        }
 892                                    })
 893                                    .text_xs()
 894                                    .child(editor.clone().into_any_element()),
 895                            )
 896                            .when(editor_focus, |this|
 897                                this.child(
 898                                    h_flex()
 899                                        .absolute()
 900                                        .top_neg_3p5()
 901                                        .right_3()
 902                                        .gap_1()
 903                                        .rounded_sm()
 904                                        .border_1()
 905                                        .border_color(cx.theme().colors().border)
 906                                        .bg(cx.theme().colors().editor_background)
 907                                        .overflow_hidden()
 908                                        .child(
 909                                            IconButton::new("cancel", IconName::Close)
 910                                                .icon_color(Color::Error)
 911                                                .icon_size(IconSize::XSmall)
 912                                                .on_click(cx.listener(Self::cancel_editing))
 913                                        )
 914                                        .child(
 915                                            IconButton::new("regenerate", IconName::Return)
 916                                                .icon_color(Color::Muted)
 917                                                .icon_size(IconSize::XSmall)
 918                                                .tooltip(Tooltip::text(
 919                                                    "Editing will restart the thread from this point."
 920                                                ))
 921                                                .on_click(cx.listener({
 922                                                    let editor = editor.clone();
 923                                                    move |this, _, window, cx| {
 924                                                        this.regenerate(
 925                                                            entry_ix, &editor, window, cx,
 926                                                        );
 927                                                    }
 928                                                })),
 929                                        )
 930                                )
 931                            ),
 932                    )
 933                    .into_any()
 934            }
 935            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
 936                let style = default_markdown_style(false, window, cx);
 937                let message_body = v_flex()
 938                    .w_full()
 939                    .gap_2p5()
 940                    .children(chunks.iter().enumerate().filter_map(
 941                        |(chunk_ix, chunk)| match chunk {
 942                            AssistantMessageChunk::Message { block } => {
 943                                block.markdown().map(|md| {
 944                                    self.render_markdown(md.clone(), style.clone())
 945                                        .into_any_element()
 946                                })
 947                            }
 948                            AssistantMessageChunk::Thought { block } => {
 949                                block.markdown().map(|md| {
 950                                    self.render_thinking_block(
 951                                        entry_ix,
 952                                        chunk_ix,
 953                                        md.clone(),
 954                                        window,
 955                                        cx,
 956                                    )
 957                                    .into_any_element()
 958                                })
 959                            }
 960                        },
 961                    ))
 962                    .into_any();
 963
 964                v_flex()
 965                    .px_5()
 966                    .py_1()
 967                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
 968                    .w_full()
 969                    .text_ui(cx)
 970                    .child(message_body)
 971                    .into_any()
 972            }
 973            AgentThreadEntry::ToolCall(tool_call) => {
 974                let has_terminals = tool_call.terminals().next().is_some();
 975
 976                div().w_full().py_1p5().px_5().map(|this| {
 977                    if has_terminals {
 978                        this.children(tool_call.terminals().map(|terminal| {
 979                            self.render_terminal_tool_call(
 980                                entry_ix, terminal, tool_call, window, cx,
 981                            )
 982                        }))
 983                    } else {
 984                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
 985                    }
 986                })
 987            }
 988            .into_any(),
 989        };
 990
 991        let Some(thread) = self.thread() else {
 992            return primary;
 993        };
 994
 995        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
 996        let primary = if entry_ix == total_entries - 1 && !is_generating {
 997            v_flex()
 998                .w_full()
 999                .child(primary)
1000                .child(self.render_thread_controls(cx))
1001                .into_any_element()
1002        } else {
1003            primary
1004        };
1005
1006        if let Some(editing_index) = self.editing_message.as_ref()
1007            && *editing_index < entry_ix
1008        {
1009            div()
1010                .child(primary)
1011                .opacity(0.2)
1012                .block_mouse_except_scroll()
1013                .id("overlay")
1014                .on_click(cx.listener(Self::cancel_editing))
1015                .into_any_element()
1016        } else {
1017            primary
1018        }
1019    }
1020
1021    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1022        cx.theme()
1023            .colors()
1024            .element_background
1025            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1026    }
1027
1028    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1029        cx.theme().colors().border.opacity(0.6)
1030    }
1031
1032    fn tool_name_font_size(&self) -> Rems {
1033        rems_from_px(13.)
1034    }
1035
1036    fn render_thinking_block(
1037        &self,
1038        entry_ix: usize,
1039        chunk_ix: usize,
1040        chunk: Entity<Markdown>,
1041        window: &Window,
1042        cx: &Context<Self>,
1043    ) -> AnyElement {
1044        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1045        let card_header_id = SharedString::from("inner-card-header");
1046        let key = (entry_ix, chunk_ix);
1047        let is_open = self.expanded_thinking_blocks.contains(&key);
1048
1049        v_flex()
1050            .child(
1051                h_flex()
1052                    .id(header_id)
1053                    .group(&card_header_id)
1054                    .relative()
1055                    .w_full()
1056                    .gap_1p5()
1057                    .opacity(0.8)
1058                    .hover(|style| style.opacity(1.))
1059                    .child(
1060                        h_flex()
1061                            .size_4()
1062                            .justify_center()
1063                            .child(
1064                                div()
1065                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1066                                    .child(
1067                                        Icon::new(IconName::ToolThink)
1068                                            .size(IconSize::Small)
1069                                            .color(Color::Muted),
1070                                    ),
1071                            )
1072                            .child(
1073                                h_flex()
1074                                    .absolute()
1075                                    .inset_0()
1076                                    .invisible()
1077                                    .justify_center()
1078                                    .group_hover(&card_header_id, |s| s.visible())
1079                                    .child(
1080                                        Disclosure::new(("expand", entry_ix), is_open)
1081                                            .opened_icon(IconName::ChevronUp)
1082                                            .closed_icon(IconName::ChevronRight)
1083                                            .on_click(cx.listener({
1084                                                move |this, _event, _window, cx| {
1085                                                    if is_open {
1086                                                        this.expanded_thinking_blocks.remove(&key);
1087                                                    } else {
1088                                                        this.expanded_thinking_blocks.insert(key);
1089                                                    }
1090                                                    cx.notify();
1091                                                }
1092                                            })),
1093                                    ),
1094                            ),
1095                    )
1096                    .child(
1097                        div()
1098                            .text_size(self.tool_name_font_size())
1099                            .child("Thinking"),
1100                    )
1101                    .on_click(cx.listener({
1102                        move |this, _event, _window, cx| {
1103                            if is_open {
1104                                this.expanded_thinking_blocks.remove(&key);
1105                            } else {
1106                                this.expanded_thinking_blocks.insert(key);
1107                            }
1108                            cx.notify();
1109                        }
1110                    })),
1111            )
1112            .when(is_open, |this| {
1113                this.child(
1114                    div()
1115                        .relative()
1116                        .mt_1p5()
1117                        .ml(px(7.))
1118                        .pl_4()
1119                        .border_l_1()
1120                        .border_color(self.tool_card_border_color(cx))
1121                        .text_ui_sm(cx)
1122                        .child(
1123                            self.render_markdown(chunk, default_markdown_style(false, window, cx)),
1124                        ),
1125                )
1126            })
1127            .into_any_element()
1128    }
1129
1130    fn render_tool_call_icon(
1131        &self,
1132        group_name: SharedString,
1133        entry_ix: usize,
1134        is_collapsible: bool,
1135        is_open: bool,
1136        tool_call: &ToolCall,
1137        cx: &Context<Self>,
1138    ) -> Div {
1139        let tool_icon = Icon::new(match tool_call.kind {
1140            acp::ToolKind::Read => IconName::ToolRead,
1141            acp::ToolKind::Edit => IconName::ToolPencil,
1142            acp::ToolKind::Delete => IconName::ToolDeleteFile,
1143            acp::ToolKind::Move => IconName::ArrowRightLeft,
1144            acp::ToolKind::Search => IconName::ToolSearch,
1145            acp::ToolKind::Execute => IconName::ToolTerminal,
1146            acp::ToolKind::Think => IconName::ToolThink,
1147            acp::ToolKind::Fetch => IconName::ToolWeb,
1148            acp::ToolKind::Other => IconName::ToolHammer,
1149        })
1150        .size(IconSize::Small)
1151        .color(Color::Muted);
1152
1153        let base_container = h_flex().size_4().justify_center();
1154
1155        if is_collapsible {
1156            base_container
1157                .child(
1158                    div()
1159                        .group_hover(&group_name, |s| s.invisible().w_0())
1160                        .child(tool_icon),
1161                )
1162                .child(
1163                    h_flex()
1164                        .absolute()
1165                        .inset_0()
1166                        .invisible()
1167                        .justify_center()
1168                        .group_hover(&group_name, |s| s.visible())
1169                        .child(
1170                            Disclosure::new(("expand", entry_ix), is_open)
1171                                .opened_icon(IconName::ChevronUp)
1172                                .closed_icon(IconName::ChevronRight)
1173                                .on_click(cx.listener({
1174                                    let id = tool_call.id.clone();
1175                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1176                                        if is_open {
1177                                            this.expanded_tool_calls.remove(&id);
1178                                        } else {
1179                                            this.expanded_tool_calls.insert(id.clone());
1180                                        }
1181                                        cx.notify();
1182                                    }
1183                                })),
1184                        ),
1185                )
1186        } else {
1187            base_container.child(tool_icon)
1188        }
1189    }
1190
1191    fn render_tool_call(
1192        &self,
1193        entry_ix: usize,
1194        tool_call: &ToolCall,
1195        window: &Window,
1196        cx: &Context<Self>,
1197    ) -> Div {
1198        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1199        let card_header_id = SharedString::from("inner-tool-call-header");
1200
1201        let status_icon = match &tool_call.status {
1202            ToolCallStatus::Pending
1203            | ToolCallStatus::WaitingForConfirmation { .. }
1204            | ToolCallStatus::Completed => None,
1205            ToolCallStatus::InProgress => Some(
1206                Icon::new(IconName::ArrowCircle)
1207                    .color(Color::Accent)
1208                    .size(IconSize::Small)
1209                    .with_animation(
1210                        "running",
1211                        Animation::new(Duration::from_secs(2)).repeat(),
1212                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1213                    )
1214                    .into_any(),
1215            ),
1216            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1217                Icon::new(IconName::Close)
1218                    .color(Color::Error)
1219                    .size(IconSize::Small)
1220                    .into_any_element(),
1221            ),
1222        };
1223
1224        let needs_confirmation = matches!(
1225            tool_call.status,
1226            ToolCallStatus::WaitingForConfirmation { .. }
1227        );
1228        let is_edit = matches!(tool_call.kind, acp::ToolKind::Edit);
1229        let has_diff = tool_call
1230            .content
1231            .iter()
1232            .any(|content| matches!(content, ToolCallContent::Diff { .. }));
1233        let has_nonempty_diff = tool_call.content.iter().any(|content| match content {
1234            ToolCallContent::Diff(diff) => diff.read(cx).has_revealed_range(cx),
1235            _ => false,
1236        });
1237        let use_card_layout = needs_confirmation || is_edit || has_diff;
1238
1239        let is_collapsible = !tool_call.content.is_empty() && !use_card_layout;
1240
1241        let is_open = tool_call.content.is_empty()
1242            || needs_confirmation
1243            || has_nonempty_diff
1244            || self.expanded_tool_calls.contains(&tool_call.id);
1245
1246        let gradient_overlay = |color: Hsla| {
1247            div()
1248                .absolute()
1249                .top_0()
1250                .right_0()
1251                .w_12()
1252                .h_full()
1253                .bg(linear_gradient(
1254                    90.,
1255                    linear_color_stop(color, 1.),
1256                    linear_color_stop(color.opacity(0.2), 0.),
1257                ))
1258        };
1259        let gradient_color = if use_card_layout {
1260            self.tool_card_header_bg(cx)
1261        } else {
1262            cx.theme().colors().panel_background
1263        };
1264
1265        let tool_output_display = match &tool_call.status {
1266            ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
1267                .w_full()
1268                .children(tool_call.content.iter().map(|content| {
1269                    div()
1270                        .child(
1271                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1272                        )
1273                        .into_any_element()
1274                }))
1275                .child(self.render_permission_buttons(
1276                    options,
1277                    entry_ix,
1278                    tool_call.id.clone(),
1279                    tool_call.content.is_empty(),
1280                    cx,
1281                )),
1282            ToolCallStatus::Pending
1283            | ToolCallStatus::InProgress
1284            | ToolCallStatus::Completed
1285            | ToolCallStatus::Failed
1286            | ToolCallStatus::Canceled => {
1287                v_flex()
1288                    .w_full()
1289                    .children(tool_call.content.iter().map(|content| {
1290                        div()
1291                            .child(
1292                                self.render_tool_call_content(
1293                                    entry_ix, content, tool_call, window, cx,
1294                                ),
1295                            )
1296                            .into_any_element()
1297                    }))
1298            }
1299            ToolCallStatus::Rejected => v_flex().size_0(),
1300        };
1301
1302        v_flex()
1303            .when(use_card_layout, |this| {
1304                this.rounded_lg()
1305                    .border_1()
1306                    .border_color(self.tool_card_border_color(cx))
1307                    .bg(cx.theme().colors().editor_background)
1308                    .overflow_hidden()
1309            })
1310            .child(
1311                h_flex()
1312                    .id(header_id)
1313                    .w_full()
1314                    .gap_1()
1315                    .justify_between()
1316                    .map(|this| {
1317                        if use_card_layout {
1318                            this.pl_2()
1319                                .pr_1()
1320                                .py_1()
1321                                .rounded_t_md()
1322                                .bg(self.tool_card_header_bg(cx))
1323                        } else {
1324                            this.opacity(0.8).hover(|style| style.opacity(1.))
1325                        }
1326                    })
1327                    .child(
1328                        h_flex()
1329                            .group(&card_header_id)
1330                            .relative()
1331                            .w_full()
1332                            .text_size(self.tool_name_font_size())
1333                            .child(self.render_tool_call_icon(
1334                                card_header_id,
1335                                entry_ix,
1336                                is_collapsible,
1337                                is_open,
1338                                tool_call,
1339                                cx,
1340                            ))
1341                            .child(if tool_call.locations.len() == 1 {
1342                                let name = tool_call.locations[0]
1343                                    .path
1344                                    .file_name()
1345                                    .unwrap_or_default()
1346                                    .display()
1347                                    .to_string();
1348
1349                                h_flex()
1350                                    .id(("open-tool-call-location", entry_ix))
1351                                    .w_full()
1352                                    .max_w_full()
1353                                    .px_1p5()
1354                                    .rounded_sm()
1355                                    .overflow_x_scroll()
1356                                    .opacity(0.8)
1357                                    .hover(|label| {
1358                                        label.opacity(1.).bg(cx
1359                                            .theme()
1360                                            .colors()
1361                                            .element_hover
1362                                            .opacity(0.5))
1363                                    })
1364                                    .child(name)
1365                                    .tooltip(Tooltip::text("Jump to File"))
1366                                    .on_click(cx.listener(move |this, _, window, cx| {
1367                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1368                                    }))
1369                                    .into_any_element()
1370                            } else {
1371                                h_flex()
1372                                    .id("non-card-label-container")
1373                                    .w_full()
1374                                    .relative()
1375                                    .ml_1p5()
1376                                    .overflow_hidden()
1377                                    .child(
1378                                        h_flex()
1379                                            .id("non-card-label")
1380                                            .pr_8()
1381                                            .w_full()
1382                                            .overflow_x_scroll()
1383                                            .child(self.render_markdown(
1384                                                tool_call.label.clone(),
1385                                                default_markdown_style(
1386                                                    needs_confirmation || is_edit || has_diff,
1387                                                    window,
1388                                                    cx,
1389                                                ),
1390                                            )),
1391                                    )
1392                                    .child(gradient_overlay(gradient_color))
1393                                    .on_click(cx.listener({
1394                                        let id = tool_call.id.clone();
1395                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1396                                            if is_open {
1397                                                this.expanded_tool_calls.remove(&id);
1398                                            } else {
1399                                                this.expanded_tool_calls.insert(id.clone());
1400                                            }
1401                                            cx.notify();
1402                                        }
1403                                    }))
1404                                    .into_any()
1405                            }),
1406                    )
1407                    .children(status_icon),
1408            )
1409            .when(is_open, |this| this.child(tool_output_display))
1410    }
1411
1412    fn render_tool_call_content(
1413        &self,
1414        entry_ix: usize,
1415        content: &ToolCallContent,
1416        tool_call: &ToolCall,
1417        window: &Window,
1418        cx: &Context<Self>,
1419    ) -> AnyElement {
1420        match content {
1421            ToolCallContent::ContentBlock(content) => {
1422                if let Some(resource_link) = content.resource_link() {
1423                    self.render_resource_link(resource_link, cx)
1424                } else if let Some(markdown) = content.markdown() {
1425                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1426                } else {
1427                    Empty.into_any_element()
1428                }
1429            }
1430            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, cx),
1431            ToolCallContent::Terminal(terminal) => {
1432                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1433            }
1434        }
1435    }
1436
1437    fn render_markdown_output(
1438        &self,
1439        markdown: Entity<Markdown>,
1440        tool_call_id: acp::ToolCallId,
1441        window: &Window,
1442        cx: &Context<Self>,
1443    ) -> AnyElement {
1444        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id.clone()));
1445
1446        v_flex()
1447            .mt_1p5()
1448            .ml(px(7.))
1449            .px_3p5()
1450            .gap_2()
1451            .border_l_1()
1452            .border_color(self.tool_card_border_color(cx))
1453            .text_sm()
1454            .text_color(cx.theme().colors().text_muted)
1455            .child(self.render_markdown(markdown, default_markdown_style(false, window, cx)))
1456            .child(
1457                Button::new(button_id, "Collapse Output")
1458                    .full_width()
1459                    .style(ButtonStyle::Outlined)
1460                    .label_size(LabelSize::Small)
1461                    .icon(IconName::ChevronUp)
1462                    .icon_color(Color::Muted)
1463                    .icon_position(IconPosition::Start)
1464                    .on_click(cx.listener({
1465                        let id = tool_call_id.clone();
1466                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1467                            this.expanded_tool_calls.remove(&id);
1468                            cx.notify();
1469                        }
1470                    })),
1471            )
1472            .into_any_element()
1473    }
1474
1475    fn render_resource_link(
1476        &self,
1477        resource_link: &acp::ResourceLink,
1478        cx: &Context<Self>,
1479    ) -> AnyElement {
1480        let uri: SharedString = resource_link.uri.clone().into();
1481
1482        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1483            path.to_string().into()
1484        } else {
1485            uri.clone()
1486        };
1487
1488        let button_id = SharedString::from(format!("item-{}", uri.clone()));
1489
1490        div()
1491            .ml(px(7.))
1492            .pl_2p5()
1493            .border_l_1()
1494            .border_color(self.tool_card_border_color(cx))
1495            .overflow_hidden()
1496            .child(
1497                Button::new(button_id, label)
1498                    .label_size(LabelSize::Small)
1499                    .color(Color::Muted)
1500                    .icon(IconName::ArrowUpRight)
1501                    .icon_size(IconSize::XSmall)
1502                    .icon_color(Color::Muted)
1503                    .truncate(true)
1504                    .on_click(cx.listener({
1505                        let workspace = self.workspace.clone();
1506                        move |_, _, window, cx: &mut Context<Self>| {
1507                            Self::open_link(uri.clone(), &workspace, window, cx);
1508                        }
1509                    })),
1510            )
1511            .into_any_element()
1512    }
1513
1514    fn render_permission_buttons(
1515        &self,
1516        options: &[acp::PermissionOption],
1517        entry_ix: usize,
1518        tool_call_id: acp::ToolCallId,
1519        empty_content: bool,
1520        cx: &Context<Self>,
1521    ) -> Div {
1522        h_flex()
1523            .py_1()
1524            .pl_2()
1525            .pr_1()
1526            .gap_1()
1527            .justify_between()
1528            .flex_wrap()
1529            .when(!empty_content, |this| {
1530                this.border_t_1()
1531                    .border_color(self.tool_card_border_color(cx))
1532            })
1533            .child(
1534                div()
1535                    .min_w(rems_from_px(145.))
1536                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1537            )
1538            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1539                let option_id = SharedString::from(option.id.0.clone());
1540                Button::new((option_id, entry_ix), option.name.clone())
1541                    .map(|this| match option.kind {
1542                        acp::PermissionOptionKind::AllowOnce => {
1543                            this.icon(IconName::Check).icon_color(Color::Success)
1544                        }
1545                        acp::PermissionOptionKind::AllowAlways => {
1546                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1547                        }
1548                        acp::PermissionOptionKind::RejectOnce => {
1549                            this.icon(IconName::Close).icon_color(Color::Error)
1550                        }
1551                        acp::PermissionOptionKind::RejectAlways => {
1552                            this.icon(IconName::Close).icon_color(Color::Error)
1553                        }
1554                    })
1555                    .icon_position(IconPosition::Start)
1556                    .icon_size(IconSize::XSmall)
1557                    .label_size(LabelSize::Small)
1558                    .on_click(cx.listener({
1559                        let tool_call_id = tool_call_id.clone();
1560                        let option_id = option.id.clone();
1561                        let option_kind = option.kind;
1562                        move |this, _, _, cx| {
1563                            this.authorize_tool_call(
1564                                tool_call_id.clone(),
1565                                option_id.clone(),
1566                                option_kind,
1567                                cx,
1568                            );
1569                        }
1570                    }))
1571            })))
1572    }
1573
1574    fn render_diff_editor(
1575        &self,
1576        entry_ix: usize,
1577        diff: &Entity<acp_thread::Diff>,
1578        cx: &Context<Self>,
1579    ) -> AnyElement {
1580        v_flex()
1581            .h_full()
1582            .border_t_1()
1583            .border_color(self.tool_card_border_color(cx))
1584            .child(
1585                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
1586                    && let Some(editor) = entry.editor_for_diff(diff)
1587                {
1588                    editor.clone().into_any_element()
1589                } else {
1590                    Empty.into_any()
1591                },
1592            )
1593            .into_any()
1594    }
1595
1596    fn render_terminal_tool_call(
1597        &self,
1598        entry_ix: usize,
1599        terminal: &Entity<acp_thread::Terminal>,
1600        tool_call: &ToolCall,
1601        window: &Window,
1602        cx: &Context<Self>,
1603    ) -> AnyElement {
1604        let terminal_data = terminal.read(cx);
1605        let working_dir = terminal_data.working_dir();
1606        let command = terminal_data.command();
1607        let started_at = terminal_data.started_at();
1608
1609        let tool_failed = matches!(
1610            &tool_call.status,
1611            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1612        );
1613
1614        let output = terminal_data.output();
1615        let command_finished = output.is_some();
1616        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
1617        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
1618
1619        let command_failed = command_finished
1620            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
1621
1622        let time_elapsed = if let Some(output) = output {
1623            output.ended_at.duration_since(started_at)
1624        } else {
1625            started_at.elapsed()
1626        };
1627
1628        let header_bg = cx
1629            .theme()
1630            .colors()
1631            .element_background
1632            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
1633        let border_color = cx.theme().colors().border.opacity(0.6);
1634
1635        let working_dir = working_dir
1636            .as_ref()
1637            .map(|path| format!("{}", path.display()))
1638            .unwrap_or_else(|| "current directory".to_string());
1639
1640        let header = h_flex()
1641            .id(SharedString::from(format!(
1642                "terminal-tool-header-{}",
1643                terminal.entity_id()
1644            )))
1645            .flex_none()
1646            .gap_1()
1647            .justify_between()
1648            .rounded_t_md()
1649            .child(
1650                div()
1651                    .id(("command-target-path", terminal.entity_id()))
1652                    .w_full()
1653                    .max_w_full()
1654                    .overflow_x_scroll()
1655                    .child(
1656                        Label::new(working_dir)
1657                            .buffer_font(cx)
1658                            .size(LabelSize::XSmall)
1659                            .color(Color::Muted),
1660                    ),
1661            )
1662            .when(!command_finished, |header| {
1663                header
1664                    .gap_1p5()
1665                    .child(
1666                        Button::new(
1667                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
1668                            "Stop",
1669                        )
1670                        .icon(IconName::Stop)
1671                        .icon_position(IconPosition::Start)
1672                        .icon_size(IconSize::Small)
1673                        .icon_color(Color::Error)
1674                        .label_size(LabelSize::Small)
1675                        .tooltip(move |window, cx| {
1676                            Tooltip::with_meta(
1677                                "Stop This Command",
1678                                None,
1679                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
1680                                window,
1681                                cx,
1682                            )
1683                        })
1684                        .on_click({
1685                            let terminal = terminal.clone();
1686                            cx.listener(move |_this, _event, _window, cx| {
1687                                let inner_terminal = terminal.read(cx).inner().clone();
1688                                inner_terminal.update(cx, |inner_terminal, _cx| {
1689                                    inner_terminal.kill_active_task();
1690                                });
1691                            })
1692                        }),
1693                    )
1694                    .child(Divider::vertical())
1695                    .child(
1696                        Icon::new(IconName::ArrowCircle)
1697                            .size(IconSize::XSmall)
1698                            .color(Color::Info)
1699                            .with_animation(
1700                                "arrow-circle",
1701                                Animation::new(Duration::from_secs(2)).repeat(),
1702                                |icon, delta| {
1703                                    icon.transform(Transformation::rotate(percentage(delta)))
1704                                },
1705                            ),
1706                    )
1707            })
1708            .when(tool_failed || command_failed, |header| {
1709                header.child(
1710                    div()
1711                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
1712                        .child(
1713                            Icon::new(IconName::Close)
1714                                .size(IconSize::Small)
1715                                .color(Color::Error),
1716                        )
1717                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
1718                            this.tooltip(Tooltip::text(format!(
1719                                "Exited with code {}",
1720                                status.code().unwrap_or(-1),
1721                            )))
1722                        }),
1723                )
1724            })
1725            .when(truncated_output, |header| {
1726                let tooltip = if let Some(output) = output {
1727                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
1728                        "Output exceeded terminal max lines and was \
1729                            truncated, the model received the first 16 KB."
1730                            .to_string()
1731                    } else {
1732                        format!(
1733                            "Output is {} long—to avoid unexpected token usage, \
1734                                only 16 KB was sent back to the model.",
1735                            format_file_size(output.original_content_len as u64, true),
1736                        )
1737                    }
1738                } else {
1739                    "Output was truncated".to_string()
1740                };
1741
1742                header.child(
1743                    h_flex()
1744                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
1745                        .gap_1()
1746                        .child(
1747                            Icon::new(IconName::Info)
1748                                .size(IconSize::XSmall)
1749                                .color(Color::Ignored),
1750                        )
1751                        .child(
1752                            Label::new("Truncated")
1753                                .color(Color::Muted)
1754                                .size(LabelSize::XSmall),
1755                        )
1756                        .tooltip(Tooltip::text(tooltip)),
1757                )
1758            })
1759            .when(time_elapsed > Duration::from_secs(10), |header| {
1760                header.child(
1761                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
1762                        .buffer_font(cx)
1763                        .color(Color::Muted)
1764                        .size(LabelSize::XSmall),
1765                )
1766            })
1767            .child(
1768                Disclosure::new(
1769                    SharedString::from(format!(
1770                        "terminal-tool-disclosure-{}",
1771                        terminal.entity_id()
1772                    )),
1773                    self.terminal_expanded,
1774                )
1775                .opened_icon(IconName::ChevronUp)
1776                .closed_icon(IconName::ChevronDown)
1777                .on_click(cx.listener(move |this, _event, _window, _cx| {
1778                    this.terminal_expanded = !this.terminal_expanded;
1779                })),
1780            );
1781
1782        let terminal_view = self
1783            .entry_view_state
1784            .read(cx)
1785            .entry(entry_ix)
1786            .and_then(|entry| entry.terminal(terminal));
1787        let show_output = self.terminal_expanded && terminal_view.is_some();
1788
1789        v_flex()
1790            .mb_2()
1791            .border_1()
1792            .when(tool_failed || command_failed, |card| card.border_dashed())
1793            .border_color(border_color)
1794            .rounded_lg()
1795            .overflow_hidden()
1796            .child(
1797                v_flex()
1798                    .py_1p5()
1799                    .pl_2()
1800                    .pr_1p5()
1801                    .gap_0p5()
1802                    .bg(header_bg)
1803                    .text_xs()
1804                    .child(header)
1805                    .child(
1806                        MarkdownElement::new(
1807                            command.clone(),
1808                            terminal_command_markdown_style(window, cx),
1809                        )
1810                        .code_block_renderer(
1811                            markdown::CodeBlockRenderer::Default {
1812                                copy_button: false,
1813                                copy_button_on_hover: true,
1814                                border: false,
1815                            },
1816                        ),
1817                    ),
1818            )
1819            .when(show_output, |this| {
1820                this.child(
1821                    div()
1822                        .pt_2()
1823                        .border_t_1()
1824                        .when(tool_failed || command_failed, |card| card.border_dashed())
1825                        .border_color(border_color)
1826                        .bg(cx.theme().colors().editor_background)
1827                        .rounded_b_md()
1828                        .text_ui_sm(cx)
1829                        .children(terminal_view.clone()),
1830                )
1831            })
1832            .into_any()
1833    }
1834
1835    fn render_agent_logo(&self) -> AnyElement {
1836        Icon::new(self.agent.logo())
1837            .color(Color::Muted)
1838            .size(IconSize::XLarge)
1839            .into_any_element()
1840    }
1841
1842    fn render_error_agent_logo(&self) -> AnyElement {
1843        let logo = Icon::new(self.agent.logo())
1844            .color(Color::Muted)
1845            .size(IconSize::XLarge)
1846            .into_any_element();
1847
1848        h_flex()
1849            .relative()
1850            .justify_center()
1851            .child(div().opacity(0.3).child(logo))
1852            .child(
1853                h_flex().absolute().right_1().bottom_0().child(
1854                    Icon::new(IconName::XCircle)
1855                        .color(Color::Error)
1856                        .size(IconSize::Small),
1857                ),
1858            )
1859            .into_any_element()
1860    }
1861
1862    fn render_empty_state(&self, cx: &App) -> AnyElement {
1863        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
1864
1865        v_flex()
1866            .size_full()
1867            .items_center()
1868            .justify_center()
1869            .child(if loading {
1870                h_flex()
1871                    .justify_center()
1872                    .child(self.render_agent_logo())
1873                    .with_animation(
1874                        "pulsating_icon",
1875                        Animation::new(Duration::from_secs(2))
1876                            .repeat()
1877                            .with_easing(pulsating_between(0.4, 1.0)),
1878                        |icon, delta| icon.opacity(delta),
1879                    )
1880                    .into_any()
1881            } else {
1882                self.render_agent_logo().into_any_element()
1883            })
1884            .child(h_flex().mt_4().mb_1().justify_center().child(if loading {
1885                div()
1886                    .child(LoadingLabel::new("").size(LabelSize::Large))
1887                    .into_any_element()
1888            } else {
1889                Headline::new(self.agent.empty_state_headline())
1890                    .size(HeadlineSize::Medium)
1891                    .into_any_element()
1892            }))
1893            .child(
1894                div()
1895                    .max_w_1_2()
1896                    .text_sm()
1897                    .text_center()
1898                    .map(|this| {
1899                        if loading {
1900                            this.invisible()
1901                        } else {
1902                            this.text_color(cx.theme().colors().text_muted)
1903                        }
1904                    })
1905                    .child(self.agent.empty_state_message()),
1906            )
1907            .into_any()
1908    }
1909
1910    fn render_auth_required_state(
1911        &self,
1912        connection: &Rc<dyn AgentConnection>,
1913        description: Option<&Entity<Markdown>>,
1914        configuration_view: Option<&AnyView>,
1915        window: &mut Window,
1916        cx: &Context<Self>,
1917    ) -> Div {
1918        v_flex()
1919            .p_2()
1920            .gap_2()
1921            .flex_1()
1922            .items_center()
1923            .justify_center()
1924            .child(
1925                v_flex()
1926                    .items_center()
1927                    .justify_center()
1928                    .child(self.render_error_agent_logo())
1929                    .child(
1930                        h_flex().mt_4().mb_1().justify_center().child(
1931                            Headline::new("Authentication Required").size(HeadlineSize::Medium),
1932                        ),
1933                    )
1934                    .into_any(),
1935            )
1936            .children(description.map(|desc| {
1937                div().text_ui(cx).text_center().child(
1938                    self.render_markdown(desc.clone(), default_markdown_style(false, window, cx)),
1939                )
1940            }))
1941            .children(
1942                configuration_view
1943                    .cloned()
1944                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
1945            )
1946            .child(h_flex().mt_1p5().justify_center().children(
1947                connection.auth_methods().into_iter().map(|method| {
1948                    Button::new(SharedString::from(method.id.0.clone()), method.name.clone())
1949                        .on_click({
1950                            let method_id = method.id.clone();
1951                            cx.listener(move |this, _, window, cx| {
1952                                this.authenticate(method_id.clone(), window, cx)
1953                            })
1954                        })
1955                }),
1956            ))
1957    }
1958
1959    fn render_server_exited(&self, status: ExitStatus, _cx: &Context<Self>) -> AnyElement {
1960        v_flex()
1961            .items_center()
1962            .justify_center()
1963            .child(self.render_error_agent_logo())
1964            .child(
1965                v_flex()
1966                    .mt_4()
1967                    .mb_2()
1968                    .gap_0p5()
1969                    .text_center()
1970                    .items_center()
1971                    .child(Headline::new("Server exited unexpectedly").size(HeadlineSize::Medium))
1972                    .child(
1973                        Label::new(format!("Exit status: {}", status.code().unwrap_or(-127)))
1974                            .size(LabelSize::Small)
1975                            .color(Color::Muted),
1976                    ),
1977            )
1978            .into_any_element()
1979    }
1980
1981    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
1982        let mut container = v_flex()
1983            .items_center()
1984            .justify_center()
1985            .child(self.render_error_agent_logo())
1986            .child(
1987                v_flex()
1988                    .mt_4()
1989                    .mb_2()
1990                    .gap_0p5()
1991                    .text_center()
1992                    .items_center()
1993                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
1994                    .child(
1995                        Label::new(e.to_string())
1996                            .size(LabelSize::Small)
1997                            .color(Color::Muted),
1998                    ),
1999            );
2000
2001        if let LoadError::Unsupported {
2002            upgrade_message,
2003            upgrade_command,
2004            ..
2005        } = &e
2006        {
2007            let upgrade_message = upgrade_message.clone();
2008            let upgrade_command = upgrade_command.clone();
2009            container = container.child(Button::new("upgrade", upgrade_message).on_click(
2010                cx.listener(move |this, _, window, cx| {
2011                    this.workspace
2012                        .update(cx, |workspace, cx| {
2013                            let project = workspace.project().read(cx);
2014                            let cwd = project.first_project_directory(cx);
2015                            let shell = project.terminal_settings(&cwd, cx).shell.clone();
2016                            let spawn_in_terminal = task::SpawnInTerminal {
2017                                id: task::TaskId("install".to_string()),
2018                                full_label: upgrade_command.clone(),
2019                                label: upgrade_command.clone(),
2020                                command: Some(upgrade_command.clone()),
2021                                args: Vec::new(),
2022                                command_label: upgrade_command.clone(),
2023                                cwd,
2024                                env: Default::default(),
2025                                use_new_terminal: true,
2026                                allow_concurrent_runs: true,
2027                                reveal: Default::default(),
2028                                reveal_target: Default::default(),
2029                                hide: Default::default(),
2030                                shell,
2031                                show_summary: true,
2032                                show_command: true,
2033                                show_rerun: false,
2034                            };
2035                            workspace
2036                                .spawn_in_terminal(spawn_in_terminal, window, cx)
2037                                .detach();
2038                        })
2039                        .ok();
2040                }),
2041            ));
2042        }
2043
2044        container.into_any()
2045    }
2046
2047    fn render_activity_bar(
2048        &self,
2049        thread_entity: &Entity<AcpThread>,
2050        window: &mut Window,
2051        cx: &Context<Self>,
2052    ) -> Option<AnyElement> {
2053        let thread = thread_entity.read(cx);
2054        let action_log = thread.action_log();
2055        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2056        let plan = thread.plan();
2057
2058        if changed_buffers.is_empty() && plan.is_empty() {
2059            return None;
2060        }
2061
2062        let editor_bg_color = cx.theme().colors().editor_background;
2063        let active_color = cx.theme().colors().element_selected;
2064        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2065
2066        let pending_edits = thread.has_pending_edit_tool_calls();
2067
2068        v_flex()
2069            .mt_1()
2070            .mx_2()
2071            .bg(bg_edit_files_disclosure)
2072            .border_1()
2073            .border_b_0()
2074            .border_color(cx.theme().colors().border)
2075            .rounded_t_md()
2076            .shadow(vec![gpui::BoxShadow {
2077                color: gpui::black().opacity(0.15),
2078                offset: point(px(1.), px(-1.)),
2079                blur_radius: px(3.),
2080                spread_radius: px(0.),
2081            }])
2082            .when(!plan.is_empty(), |this| {
2083                this.child(self.render_plan_summary(plan, window, cx))
2084                    .when(self.plan_expanded, |parent| {
2085                        parent.child(self.render_plan_entries(plan, window, cx))
2086                    })
2087            })
2088            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2089                this.child(Divider::horizontal().color(DividerColor::Border))
2090            })
2091            .when(!changed_buffers.is_empty(), |this| {
2092                this.child(self.render_edits_summary(
2093                    action_log,
2094                    &changed_buffers,
2095                    self.edits_expanded,
2096                    pending_edits,
2097                    window,
2098                    cx,
2099                ))
2100                .when(self.edits_expanded, |parent| {
2101                    parent.child(self.render_edited_files(
2102                        action_log,
2103                        &changed_buffers,
2104                        pending_edits,
2105                        cx,
2106                    ))
2107                })
2108            })
2109            .into_any()
2110            .into()
2111    }
2112
2113    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2114        let stats = plan.stats();
2115
2116        let title = if let Some(entry) = stats.in_progress_entry
2117            && !self.plan_expanded
2118        {
2119            h_flex()
2120                .w_full()
2121                .cursor_default()
2122                .gap_1()
2123                .text_xs()
2124                .text_color(cx.theme().colors().text_muted)
2125                .justify_between()
2126                .child(
2127                    h_flex()
2128                        .gap_1()
2129                        .child(
2130                            Label::new("Current:")
2131                                .size(LabelSize::Small)
2132                                .color(Color::Muted),
2133                        )
2134                        .child(MarkdownElement::new(
2135                            entry.content.clone(),
2136                            plan_label_markdown_style(&entry.status, window, cx),
2137                        )),
2138                )
2139                .when(stats.pending > 0, |this| {
2140                    this.child(
2141                        Label::new(format!("{} left", stats.pending))
2142                            .size(LabelSize::Small)
2143                            .color(Color::Muted)
2144                            .mr_1(),
2145                    )
2146                })
2147        } else {
2148            let status_label = if stats.pending == 0 {
2149                "All Done".to_string()
2150            } else if stats.completed == 0 {
2151                format!("{} Tasks", plan.entries.len())
2152            } else {
2153                format!("{}/{}", stats.completed, plan.entries.len())
2154            };
2155
2156            h_flex()
2157                .w_full()
2158                .gap_1()
2159                .justify_between()
2160                .child(
2161                    Label::new("Plan")
2162                        .size(LabelSize::Small)
2163                        .color(Color::Muted),
2164                )
2165                .child(
2166                    Label::new(status_label)
2167                        .size(LabelSize::Small)
2168                        .color(Color::Muted)
2169                        .mr_1(),
2170                )
2171        };
2172
2173        h_flex()
2174            .p_1()
2175            .justify_between()
2176            .when(self.plan_expanded, |this| {
2177                this.border_b_1().border_color(cx.theme().colors().border)
2178            })
2179            .child(
2180                h_flex()
2181                    .id("plan_summary")
2182                    .w_full()
2183                    .gap_1()
2184                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2185                    .child(title)
2186                    .on_click(cx.listener(|this, _, _, cx| {
2187                        this.plan_expanded = !this.plan_expanded;
2188                        cx.notify();
2189                    })),
2190            )
2191    }
2192
2193    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2194        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2195            let element = h_flex()
2196                .py_1()
2197                .px_2()
2198                .gap_2()
2199                .justify_between()
2200                .bg(cx.theme().colors().editor_background)
2201                .when(index < plan.entries.len() - 1, |parent| {
2202                    parent.border_color(cx.theme().colors().border).border_b_1()
2203                })
2204                .child(
2205                    h_flex()
2206                        .id(("plan_entry", index))
2207                        .gap_1p5()
2208                        .max_w_full()
2209                        .overflow_x_scroll()
2210                        .text_xs()
2211                        .text_color(cx.theme().colors().text_muted)
2212                        .child(match entry.status {
2213                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2214                                .size(IconSize::Small)
2215                                .color(Color::Muted)
2216                                .into_any_element(),
2217                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2218                                .size(IconSize::Small)
2219                                .color(Color::Accent)
2220                                .with_animation(
2221                                    "running",
2222                                    Animation::new(Duration::from_secs(2)).repeat(),
2223                                    |icon, delta| {
2224                                        icon.transform(Transformation::rotate(percentage(delta)))
2225                                    },
2226                                )
2227                                .into_any_element(),
2228                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2229                                .size(IconSize::Small)
2230                                .color(Color::Success)
2231                                .into_any_element(),
2232                        })
2233                        .child(MarkdownElement::new(
2234                            entry.content.clone(),
2235                            plan_label_markdown_style(&entry.status, window, cx),
2236                        )),
2237                );
2238
2239            Some(element)
2240        }))
2241    }
2242
2243    fn render_edits_summary(
2244        &self,
2245        action_log: &Entity<ActionLog>,
2246        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2247        expanded: bool,
2248        pending_edits: bool,
2249        window: &mut Window,
2250        cx: &Context<Self>,
2251    ) -> Div {
2252        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
2253
2254        let focus_handle = self.focus_handle(cx);
2255
2256        h_flex()
2257            .p_1()
2258            .justify_between()
2259            .when(expanded, |this| {
2260                this.border_b_1().border_color(cx.theme().colors().border)
2261            })
2262            .child(
2263                h_flex()
2264                    .id("edits-container")
2265                    .w_full()
2266                    .gap_1()
2267                    .child(Disclosure::new("edits-disclosure", expanded))
2268                    .map(|this| {
2269                        if pending_edits {
2270                            this.child(
2271                                Label::new(format!(
2272                                    "Editing {} {}",
2273                                    changed_buffers.len(),
2274                                    if changed_buffers.len() == 1 {
2275                                        "file"
2276                                    } else {
2277                                        "files"
2278                                    }
2279                                ))
2280                                .color(Color::Muted)
2281                                .size(LabelSize::Small)
2282                                .with_animation(
2283                                    "edit-label",
2284                                    Animation::new(Duration::from_secs(2))
2285                                        .repeat()
2286                                        .with_easing(pulsating_between(0.3, 0.7)),
2287                                    |label, delta| label.alpha(delta),
2288                                ),
2289                            )
2290                        } else {
2291                            this.child(
2292                                Label::new("Edits")
2293                                    .size(LabelSize::Small)
2294                                    .color(Color::Muted),
2295                            )
2296                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
2297                            .child(
2298                                Label::new(format!(
2299                                    "{} {}",
2300                                    changed_buffers.len(),
2301                                    if changed_buffers.len() == 1 {
2302                                        "file"
2303                                    } else {
2304                                        "files"
2305                                    }
2306                                ))
2307                                .size(LabelSize::Small)
2308                                .color(Color::Muted),
2309                            )
2310                        }
2311                    })
2312                    .on_click(cx.listener(|this, _, _, cx| {
2313                        this.edits_expanded = !this.edits_expanded;
2314                        cx.notify();
2315                    })),
2316            )
2317            .child(
2318                h_flex()
2319                    .gap_1()
2320                    .child(
2321                        IconButton::new("review-changes", IconName::ListTodo)
2322                            .icon_size(IconSize::Small)
2323                            .tooltip({
2324                                let focus_handle = focus_handle.clone();
2325                                move |window, cx| {
2326                                    Tooltip::for_action_in(
2327                                        "Review Changes",
2328                                        &OpenAgentDiff,
2329                                        &focus_handle,
2330                                        window,
2331                                        cx,
2332                                    )
2333                                }
2334                            })
2335                            .on_click(cx.listener(|_, _, window, cx| {
2336                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
2337                            })),
2338                    )
2339                    .child(Divider::vertical().color(DividerColor::Border))
2340                    .child(
2341                        Button::new("reject-all-changes", "Reject All")
2342                            .label_size(LabelSize::Small)
2343                            .disabled(pending_edits)
2344                            .when(pending_edits, |this| {
2345                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2346                            })
2347                            .key_binding(
2348                                KeyBinding::for_action_in(
2349                                    &RejectAll,
2350                                    &focus_handle.clone(),
2351                                    window,
2352                                    cx,
2353                                )
2354                                .map(|kb| kb.size(rems_from_px(10.))),
2355                            )
2356                            .on_click({
2357                                let action_log = action_log.clone();
2358                                cx.listener(move |_, _, _, cx| {
2359                                    action_log.update(cx, |action_log, cx| {
2360                                        action_log.reject_all_edits(cx).detach();
2361                                    })
2362                                })
2363                            }),
2364                    )
2365                    .child(
2366                        Button::new("keep-all-changes", "Keep All")
2367                            .label_size(LabelSize::Small)
2368                            .disabled(pending_edits)
2369                            .when(pending_edits, |this| {
2370                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2371                            })
2372                            .key_binding(
2373                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
2374                                    .map(|kb| kb.size(rems_from_px(10.))),
2375                            )
2376                            .on_click({
2377                                let action_log = action_log.clone();
2378                                cx.listener(move |_, _, _, cx| {
2379                                    action_log.update(cx, |action_log, cx| {
2380                                        action_log.keep_all_edits(cx);
2381                                    })
2382                                })
2383                            }),
2384                    ),
2385            )
2386    }
2387
2388    fn render_edited_files(
2389        &self,
2390        action_log: &Entity<ActionLog>,
2391        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2392        pending_edits: bool,
2393        cx: &Context<Self>,
2394    ) -> Div {
2395        let editor_bg_color = cx.theme().colors().editor_background;
2396
2397        v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
2398            |(index, (buffer, _diff))| {
2399                let file = buffer.read(cx).file()?;
2400                let path = file.path();
2401
2402                let file_path = path.parent().and_then(|parent| {
2403                    let parent_str = parent.to_string_lossy();
2404
2405                    if parent_str.is_empty() {
2406                        None
2407                    } else {
2408                        Some(
2409                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
2410                                .color(Color::Muted)
2411                                .size(LabelSize::XSmall)
2412                                .buffer_font(cx),
2413                        )
2414                    }
2415                });
2416
2417                let file_name = path.file_name().map(|name| {
2418                    Label::new(name.to_string_lossy().to_string())
2419                        .size(LabelSize::XSmall)
2420                        .buffer_font(cx)
2421                });
2422
2423                let file_icon = FileIcons::get_icon(path, cx)
2424                    .map(Icon::from_path)
2425                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
2426                    .unwrap_or_else(|| {
2427                        Icon::new(IconName::File)
2428                            .color(Color::Muted)
2429                            .size(IconSize::Small)
2430                    });
2431
2432                let overlay_gradient = linear_gradient(
2433                    90.,
2434                    linear_color_stop(editor_bg_color, 1.),
2435                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
2436                );
2437
2438                let element = h_flex()
2439                    .group("edited-code")
2440                    .id(("file-container", index))
2441                    .relative()
2442                    .py_1()
2443                    .pl_2()
2444                    .pr_1()
2445                    .gap_2()
2446                    .justify_between()
2447                    .bg(editor_bg_color)
2448                    .when(index < changed_buffers.len() - 1, |parent| {
2449                        parent.border_color(cx.theme().colors().border).border_b_1()
2450                    })
2451                    .child(
2452                        h_flex()
2453                            .id(("file-name", index))
2454                            .pr_8()
2455                            .gap_1p5()
2456                            .max_w_full()
2457                            .overflow_x_scroll()
2458                            .child(file_icon)
2459                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
2460                            .on_click({
2461                                let buffer = buffer.clone();
2462                                cx.listener(move |this, _, window, cx| {
2463                                    this.open_edited_buffer(&buffer, window, cx);
2464                                })
2465                            }),
2466                    )
2467                    .child(
2468                        h_flex()
2469                            .gap_1()
2470                            .visible_on_hover("edited-code")
2471                            .child(
2472                                Button::new("review", "Review")
2473                                    .label_size(LabelSize::Small)
2474                                    .on_click({
2475                                        let buffer = buffer.clone();
2476                                        cx.listener(move |this, _, window, cx| {
2477                                            this.open_edited_buffer(&buffer, window, cx);
2478                                        })
2479                                    }),
2480                            )
2481                            .child(Divider::vertical().color(DividerColor::BorderVariant))
2482                            .child(
2483                                Button::new("reject-file", "Reject")
2484                                    .label_size(LabelSize::Small)
2485                                    .disabled(pending_edits)
2486                                    .on_click({
2487                                        let buffer = buffer.clone();
2488                                        let action_log = action_log.clone();
2489                                        move |_, _, cx| {
2490                                            action_log.update(cx, |action_log, cx| {
2491                                                action_log
2492                                                    .reject_edits_in_ranges(
2493                                                        buffer.clone(),
2494                                                        vec![Anchor::MIN..Anchor::MAX],
2495                                                        cx,
2496                                                    )
2497                                                    .detach_and_log_err(cx);
2498                                            })
2499                                        }
2500                                    }),
2501                            )
2502                            .child(
2503                                Button::new("keep-file", "Keep")
2504                                    .label_size(LabelSize::Small)
2505                                    .disabled(pending_edits)
2506                                    .on_click({
2507                                        let buffer = buffer.clone();
2508                                        let action_log = action_log.clone();
2509                                        move |_, _, cx| {
2510                                            action_log.update(cx, |action_log, cx| {
2511                                                action_log.keep_edits_in_range(
2512                                                    buffer.clone(),
2513                                                    Anchor::MIN..Anchor::MAX,
2514                                                    cx,
2515                                                );
2516                                            })
2517                                        }
2518                                    }),
2519                            ),
2520                    )
2521                    .child(
2522                        div()
2523                            .id("gradient-overlay")
2524                            .absolute()
2525                            .h_full()
2526                            .w_12()
2527                            .top_0()
2528                            .bottom_0()
2529                            .right(px(152.))
2530                            .bg(overlay_gradient),
2531                    );
2532
2533                Some(element)
2534            },
2535        ))
2536    }
2537
2538    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2539        let focus_handle = self.message_editor.focus_handle(cx);
2540        let editor_bg_color = cx.theme().colors().editor_background;
2541        let (expand_icon, expand_tooltip) = if self.editor_expanded {
2542            (IconName::Minimize, "Minimize Message Editor")
2543        } else {
2544            (IconName::Maximize, "Expand Message Editor")
2545        };
2546
2547        v_flex()
2548            .on_action(cx.listener(Self::expand_message_editor))
2549            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
2550                if let Some(profile_selector) = this.profile_selector.as_ref() {
2551                    profile_selector.read(cx).menu_handle().toggle(window, cx);
2552                }
2553            }))
2554            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
2555                if let Some(model_selector) = this.model_selector.as_ref() {
2556                    model_selector
2557                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
2558                }
2559            }))
2560            .p_2()
2561            .gap_2()
2562            .border_t_1()
2563            .border_color(cx.theme().colors().border)
2564            .bg(editor_bg_color)
2565            .when(self.editor_expanded, |this| {
2566                this.h(vh(0.8, window)).size_full().justify_between()
2567            })
2568            .child(
2569                v_flex()
2570                    .relative()
2571                    .size_full()
2572                    .pt_1()
2573                    .pr_2p5()
2574                    .child(self.message_editor.clone())
2575                    .child(
2576                        h_flex()
2577                            .absolute()
2578                            .top_0()
2579                            .right_0()
2580                            .opacity(0.5)
2581                            .hover(|this| this.opacity(1.0))
2582                            .child(
2583                                IconButton::new("toggle-height", expand_icon)
2584                                    .icon_size(IconSize::Small)
2585                                    .icon_color(Color::Muted)
2586                                    .tooltip({
2587                                        let focus_handle = focus_handle.clone();
2588                                        move |window, cx| {
2589                                            Tooltip::for_action_in(
2590                                                expand_tooltip,
2591                                                &ExpandMessageEditor,
2592                                                &focus_handle,
2593                                                window,
2594                                                cx,
2595                                            )
2596                                        }
2597                                    })
2598                                    .on_click(cx.listener(|_, _, window, cx| {
2599                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
2600                                    })),
2601                            ),
2602                    ),
2603            )
2604            .child(
2605                h_flex()
2606                    .flex_none()
2607                    .justify_between()
2608                    .child(
2609                        h_flex()
2610                            .gap_1()
2611                            .child(self.render_follow_toggle(cx))
2612                            .children(self.render_burn_mode_toggle(cx)),
2613                    )
2614                    .child(
2615                        h_flex()
2616                            .gap_1()
2617                            .children(self.profile_selector.clone())
2618                            .children(self.model_selector.clone())
2619                            .child(self.render_send_button(cx)),
2620                    ),
2621            )
2622            .into_any()
2623    }
2624
2625    pub(crate) fn as_native_connection(
2626        &self,
2627        cx: &App,
2628    ) -> Option<Rc<agent2::NativeAgentConnection>> {
2629        let acp_thread = self.thread()?.read(cx);
2630        acp_thread.connection().clone().downcast()
2631    }
2632
2633    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
2634        let acp_thread = self.thread()?.read(cx);
2635        self.as_native_connection(cx)?
2636            .thread(acp_thread.session_id(), cx)
2637    }
2638
2639    fn toggle_burn_mode(
2640        &mut self,
2641        _: &ToggleBurnMode,
2642        _window: &mut Window,
2643        cx: &mut Context<Self>,
2644    ) {
2645        let Some(thread) = self.as_native_thread(cx) else {
2646            return;
2647        };
2648
2649        thread.update(cx, |thread, _cx| {
2650            let current_mode = thread.completion_mode();
2651            thread.set_completion_mode(match current_mode {
2652                CompletionMode::Burn => CompletionMode::Normal,
2653                CompletionMode::Normal => CompletionMode::Burn,
2654            });
2655        });
2656    }
2657
2658    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2659        let thread = self.as_native_thread(cx)?.read(cx);
2660
2661        if thread
2662            .model()
2663            .map_or(true, |model| !model.supports_burn_mode())
2664        {
2665            return None;
2666        }
2667
2668        let active_completion_mode = thread.completion_mode();
2669        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
2670        let icon = if burn_mode_enabled {
2671            IconName::ZedBurnModeOn
2672        } else {
2673            IconName::ZedBurnMode
2674        };
2675
2676        Some(
2677            IconButton::new("burn-mode", icon)
2678                .icon_size(IconSize::Small)
2679                .icon_color(Color::Muted)
2680                .toggle_state(burn_mode_enabled)
2681                .selected_icon_color(Color::Error)
2682                .on_click(cx.listener(|this, _event, window, cx| {
2683                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
2684                }))
2685                .tooltip(move |_window, cx| {
2686                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
2687                        .into()
2688                })
2689                .into_any_element(),
2690        )
2691    }
2692
2693    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
2694        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
2695        let is_generating = self.thread().map_or(false, |thread| {
2696            thread.read(cx).status() != ThreadStatus::Idle
2697        });
2698
2699        if is_generating && is_editor_empty {
2700            IconButton::new("stop-generation", IconName::Stop)
2701                .icon_color(Color::Error)
2702                .style(ButtonStyle::Tinted(ui::TintColor::Error))
2703                .tooltip(move |window, cx| {
2704                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
2705                })
2706                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
2707                .into_any_element()
2708        } else {
2709            let send_btn_tooltip = if is_editor_empty && !is_generating {
2710                "Type to Send"
2711            } else if is_generating {
2712                "Stop and Send Message"
2713            } else {
2714                "Send"
2715            };
2716
2717            IconButton::new("send-message", IconName::Send)
2718                .style(ButtonStyle::Filled)
2719                .map(|this| {
2720                    if is_editor_empty && !is_generating {
2721                        this.disabled(true).icon_color(Color::Muted)
2722                    } else {
2723                        this.icon_color(Color::Accent)
2724                    }
2725                })
2726                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
2727                .on_click(cx.listener(|this, _, window, cx| {
2728                    this.send(window, cx);
2729                }))
2730                .into_any_element()
2731        }
2732    }
2733
2734    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
2735        let following = self
2736            .workspace
2737            .read_with(cx, |workspace, _| {
2738                workspace.is_being_followed(CollaboratorId::Agent)
2739            })
2740            .unwrap_or(false);
2741
2742        IconButton::new("follow-agent", IconName::Crosshair)
2743            .icon_size(IconSize::Small)
2744            .icon_color(Color::Muted)
2745            .toggle_state(following)
2746            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
2747            .tooltip(move |window, cx| {
2748                if following {
2749                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
2750                } else {
2751                    Tooltip::with_meta(
2752                        "Follow Agent",
2753                        Some(&Follow),
2754                        "Track the agent's location as it reads and edits files.",
2755                        window,
2756                        cx,
2757                    )
2758                }
2759            })
2760            .on_click(cx.listener(move |this, _, window, cx| {
2761                this.workspace
2762                    .update(cx, |workspace, cx| {
2763                        if following {
2764                            workspace.unfollow(CollaboratorId::Agent, window, cx);
2765                        } else {
2766                            workspace.follow(CollaboratorId::Agent, window, cx);
2767                        }
2768                    })
2769                    .ok();
2770            }))
2771    }
2772
2773    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
2774        let workspace = self.workspace.clone();
2775        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
2776            Self::open_link(text, &workspace, window, cx);
2777        })
2778    }
2779
2780    fn open_link(
2781        url: SharedString,
2782        workspace: &WeakEntity<Workspace>,
2783        window: &mut Window,
2784        cx: &mut App,
2785    ) {
2786        let Some(workspace) = workspace.upgrade() else {
2787            cx.open_url(&url);
2788            return;
2789        };
2790
2791        if let Some(mention) = MentionUri::parse(&url).log_err() {
2792            workspace.update(cx, |workspace, cx| match mention {
2793                MentionUri::File { abs_path } => {
2794                    let project = workspace.project();
2795                    let Some(path) =
2796                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
2797                    else {
2798                        return;
2799                    };
2800
2801                    workspace
2802                        .open_path(path, None, true, window, cx)
2803                        .detach_and_log_err(cx);
2804                }
2805                MentionUri::Directory { abs_path } => {
2806                    let project = workspace.project();
2807                    let Some(entry) = project.update(cx, |project, cx| {
2808                        let path = project.find_project_path(abs_path, cx)?;
2809                        project.entry_for_path(&path, cx)
2810                    }) else {
2811                        return;
2812                    };
2813
2814                    project.update(cx, |_, cx| {
2815                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
2816                    });
2817                }
2818                MentionUri::Symbol {
2819                    path, line_range, ..
2820                }
2821                | MentionUri::Selection { path, line_range } => {
2822                    let project = workspace.project();
2823                    let Some((path, _)) = project.update(cx, |project, cx| {
2824                        let path = project.find_project_path(path, cx)?;
2825                        let entry = project.entry_for_path(&path, cx)?;
2826                        Some((path, entry))
2827                    }) else {
2828                        return;
2829                    };
2830
2831                    let item = workspace.open_path(path, None, true, window, cx);
2832                    window
2833                        .spawn(cx, async move |cx| {
2834                            let Some(editor) = item.await?.downcast::<Editor>() else {
2835                                return Ok(());
2836                            };
2837                            let range =
2838                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
2839                            editor
2840                                .update_in(cx, |editor, window, cx| {
2841                                    editor.change_selections(
2842                                        SelectionEffects::scroll(Autoscroll::center()),
2843                                        window,
2844                                        cx,
2845                                        |s| s.select_ranges(vec![range]),
2846                                    );
2847                                })
2848                                .ok();
2849                            anyhow::Ok(())
2850                        })
2851                        .detach_and_log_err(cx);
2852                }
2853                MentionUri::Thread { id, .. } => {
2854                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
2855                        panel.update(cx, |panel, cx| {
2856                            panel
2857                                .open_thread_by_id(&id, window, cx)
2858                                .detach_and_log_err(cx)
2859                        });
2860                    }
2861                }
2862                MentionUri::TextThread { path, .. } => {
2863                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
2864                        panel.update(cx, |panel, cx| {
2865                            panel
2866                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
2867                                .detach_and_log_err(cx);
2868                        });
2869                    }
2870                }
2871                MentionUri::Rule { id, .. } => {
2872                    let PromptId::User { uuid } = id else {
2873                        return;
2874                    };
2875                    window.dispatch_action(
2876                        Box::new(OpenRulesLibrary {
2877                            prompt_to_select: Some(uuid.0),
2878                        }),
2879                        cx,
2880                    )
2881                }
2882                MentionUri::Fetch { url } => {
2883                    cx.open_url(url.as_str());
2884                }
2885            })
2886        } else {
2887            cx.open_url(&url);
2888        }
2889    }
2890
2891    fn open_tool_call_location(
2892        &self,
2893        entry_ix: usize,
2894        location_ix: usize,
2895        window: &mut Window,
2896        cx: &mut Context<Self>,
2897    ) -> Option<()> {
2898        let (tool_call_location, agent_location) = self
2899            .thread()?
2900            .read(cx)
2901            .entries()
2902            .get(entry_ix)?
2903            .location(location_ix)?;
2904
2905        let project_path = self
2906            .project
2907            .read(cx)
2908            .find_project_path(&tool_call_location.path, cx)?;
2909
2910        let open_task = self
2911            .workspace
2912            .update(cx, |workspace, cx| {
2913                workspace.open_path(project_path, None, true, window, cx)
2914            })
2915            .log_err()?;
2916        window
2917            .spawn(cx, async move |cx| {
2918                let item = open_task.await?;
2919
2920                let Some(active_editor) = item.downcast::<Editor>() else {
2921                    return anyhow::Ok(());
2922                };
2923
2924                active_editor.update_in(cx, |editor, window, cx| {
2925                    let multibuffer = editor.buffer().read(cx);
2926                    let buffer = multibuffer.as_singleton();
2927                    if agent_location.buffer.upgrade() == buffer {
2928                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
2929                        let anchor = editor::Anchor::in_buffer(
2930                            excerpt_id.unwrap(),
2931                            buffer.unwrap().read(cx).remote_id(),
2932                            agent_location.position,
2933                        );
2934                        editor.change_selections(Default::default(), window, cx, |selections| {
2935                            selections.select_anchor_ranges([anchor..anchor]);
2936                        })
2937                    } else {
2938                        let row = tool_call_location.line.unwrap_or_default();
2939                        editor.change_selections(Default::default(), window, cx, |selections| {
2940                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
2941                        })
2942                    }
2943                })?;
2944
2945                anyhow::Ok(())
2946            })
2947            .detach_and_log_err(cx);
2948
2949        None
2950    }
2951
2952    pub fn open_thread_as_markdown(
2953        &self,
2954        workspace: Entity<Workspace>,
2955        window: &mut Window,
2956        cx: &mut App,
2957    ) -> Task<anyhow::Result<()>> {
2958        let markdown_language_task = workspace
2959            .read(cx)
2960            .app_state()
2961            .languages
2962            .language_for_name("Markdown");
2963
2964        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
2965            let thread = thread.read(cx);
2966            (thread.title().to_string(), thread.to_markdown(cx))
2967        } else {
2968            return Task::ready(Ok(()));
2969        };
2970
2971        window.spawn(cx, async move |cx| {
2972            let markdown_language = markdown_language_task.await?;
2973
2974            workspace.update_in(cx, |workspace, window, cx| {
2975                let project = workspace.project().clone();
2976
2977                if !project.read(cx).is_local() {
2978                    bail!("failed to open active thread as markdown in remote project");
2979                }
2980
2981                let buffer = project.update(cx, |project, cx| {
2982                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
2983                });
2984                let buffer = cx.new(|cx| {
2985                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
2986                });
2987
2988                workspace.add_item_to_active_pane(
2989                    Box::new(cx.new(|cx| {
2990                        let mut editor =
2991                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
2992                        editor.set_breadcrumb_header(thread_summary);
2993                        editor
2994                    })),
2995                    None,
2996                    true,
2997                    window,
2998                    cx,
2999                );
3000
3001                anyhow::Ok(())
3002            })??;
3003            anyhow::Ok(())
3004        })
3005    }
3006
3007    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3008        self.list_state.scroll_to(ListOffset::default());
3009        cx.notify();
3010    }
3011
3012    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3013        if let Some(thread) = self.thread() {
3014            let entry_count = thread.read(cx).entries().len();
3015            self.list_state.reset(entry_count);
3016            cx.notify();
3017        }
3018    }
3019
3020    fn notify_with_sound(
3021        &mut self,
3022        caption: impl Into<SharedString>,
3023        icon: IconName,
3024        window: &mut Window,
3025        cx: &mut Context<Self>,
3026    ) {
3027        self.play_notification_sound(window, cx);
3028        self.show_notification(caption, icon, window, cx);
3029    }
3030
3031    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3032        let settings = AgentSettings::get_global(cx);
3033        if settings.play_sound_when_agent_done && !window.is_window_active() {
3034            Audio::play_sound(Sound::AgentDone, cx);
3035        }
3036    }
3037
3038    fn show_notification(
3039        &mut self,
3040        caption: impl Into<SharedString>,
3041        icon: IconName,
3042        window: &mut Window,
3043        cx: &mut Context<Self>,
3044    ) {
3045        if window.is_window_active() || !self.notifications.is_empty() {
3046            return;
3047        }
3048
3049        let title = self.title(cx);
3050
3051        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3052            NotifyWhenAgentWaiting::PrimaryScreen => {
3053                if let Some(primary) = cx.primary_display() {
3054                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3055                }
3056            }
3057            NotifyWhenAgentWaiting::AllScreens => {
3058                let caption = caption.into();
3059                for screen in cx.displays() {
3060                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3061                }
3062            }
3063            NotifyWhenAgentWaiting::Never => {
3064                // Don't show anything
3065            }
3066        }
3067    }
3068
3069    fn pop_up(
3070        &mut self,
3071        icon: IconName,
3072        caption: SharedString,
3073        title: SharedString,
3074        window: &mut Window,
3075        screen: Rc<dyn PlatformDisplay>,
3076        cx: &mut Context<Self>,
3077    ) {
3078        let options = AgentNotification::window_options(screen, cx);
3079
3080        let project_name = self.workspace.upgrade().and_then(|workspace| {
3081            workspace
3082                .read(cx)
3083                .project()
3084                .read(cx)
3085                .visible_worktrees(cx)
3086                .next()
3087                .map(|worktree| worktree.read(cx).root_name().to_string())
3088        });
3089
3090        if let Some(screen_window) = cx
3091            .open_window(options, |_, cx| {
3092                cx.new(|_| {
3093                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3094                })
3095            })
3096            .log_err()
3097        {
3098            if let Some(pop_up) = screen_window.entity(cx).log_err() {
3099                self.notification_subscriptions
3100                    .entry(screen_window)
3101                    .or_insert_with(Vec::new)
3102                    .push(cx.subscribe_in(&pop_up, window, {
3103                        |this, _, event, window, cx| match event {
3104                            AgentNotificationEvent::Accepted => {
3105                                let handle = window.window_handle();
3106                                cx.activate(true);
3107
3108                                let workspace_handle = this.workspace.clone();
3109
3110                                // If there are multiple Zed windows, activate the correct one.
3111                                cx.defer(move |cx| {
3112                                    handle
3113                                        .update(cx, |_view, window, _cx| {
3114                                            window.activate_window();
3115
3116                                            if let Some(workspace) = workspace_handle.upgrade() {
3117                                                workspace.update(_cx, |workspace, cx| {
3118                                                    workspace.focus_panel::<AgentPanel>(window, cx);
3119                                                });
3120                                            }
3121                                        })
3122                                        .log_err();
3123                                });
3124
3125                                this.dismiss_notifications(cx);
3126                            }
3127                            AgentNotificationEvent::Dismissed => {
3128                                this.dismiss_notifications(cx);
3129                            }
3130                        }
3131                    }));
3132
3133                self.notifications.push(screen_window);
3134
3135                // If the user manually refocuses the original window, dismiss the popup.
3136                self.notification_subscriptions
3137                    .entry(screen_window)
3138                    .or_insert_with(Vec::new)
3139                    .push({
3140                        let pop_up_weak = pop_up.downgrade();
3141
3142                        cx.observe_window_activation(window, move |_, window, cx| {
3143                            if window.is_window_active() {
3144                                if let Some(pop_up) = pop_up_weak.upgrade() {
3145                                    pop_up.update(cx, |_, cx| {
3146                                        cx.emit(AgentNotificationEvent::Dismissed);
3147                                    });
3148                                }
3149                            }
3150                        })
3151                    });
3152            }
3153        }
3154    }
3155
3156    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3157        for window in self.notifications.drain(..) {
3158            window
3159                .update(cx, |_, window, _| {
3160                    window.remove_window();
3161                })
3162                .ok();
3163
3164            self.notification_subscriptions.remove(&window);
3165        }
3166    }
3167
3168    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
3169        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
3170            .shape(ui::IconButtonShape::Square)
3171            .icon_size(IconSize::Small)
3172            .icon_color(Color::Ignored)
3173            .tooltip(Tooltip::text("Open Thread as Markdown"))
3174            .on_click(cx.listener(move |this, _, window, cx| {
3175                if let Some(workspace) = this.workspace.upgrade() {
3176                    this.open_thread_as_markdown(workspace, window, cx)
3177                        .detach_and_log_err(cx);
3178                }
3179            }));
3180
3181        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
3182            .shape(ui::IconButtonShape::Square)
3183            .icon_size(IconSize::Small)
3184            .icon_color(Color::Ignored)
3185            .tooltip(Tooltip::text("Scroll To Top"))
3186            .on_click(cx.listener(move |this, _, _, cx| {
3187                this.scroll_to_top(cx);
3188            }));
3189
3190        h_flex()
3191            .w_full()
3192            .mr_1()
3193            .pb_2()
3194            .px(RESPONSE_PADDING_X)
3195            .opacity(0.4)
3196            .hover(|style| style.opacity(1.))
3197            .flex_wrap()
3198            .justify_end()
3199            .child(open_as_markdown)
3200            .child(scroll_to_top)
3201    }
3202
3203    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
3204        div()
3205            .id("acp-thread-scrollbar")
3206            .occlude()
3207            .on_mouse_move(cx.listener(|_, _, _, cx| {
3208                cx.notify();
3209                cx.stop_propagation()
3210            }))
3211            .on_hover(|_, _, cx| {
3212                cx.stop_propagation();
3213            })
3214            .on_any_mouse_down(|_, _, cx| {
3215                cx.stop_propagation();
3216            })
3217            .on_mouse_up(
3218                MouseButton::Left,
3219                cx.listener(|_, _, _, cx| {
3220                    cx.stop_propagation();
3221                }),
3222            )
3223            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3224                cx.notify();
3225            }))
3226            .h_full()
3227            .absolute()
3228            .right_1()
3229            .top_1()
3230            .bottom_0()
3231            .w(px(12.))
3232            .cursor_default()
3233            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
3234    }
3235
3236    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
3237        self.entry_view_state.update(cx, |entry_view_state, cx| {
3238            entry_view_state.settings_changed(cx);
3239        });
3240    }
3241
3242    pub(crate) fn insert_dragged_files(
3243        &self,
3244        paths: Vec<project::ProjectPath>,
3245        added_worktrees: Vec<Entity<project::Worktree>>,
3246        window: &mut Window,
3247        cx: &mut Context<Self>,
3248    ) {
3249        self.message_editor.update(cx, |message_editor, cx| {
3250            message_editor.insert_dragged_files(paths, window, cx);
3251            drop(added_worktrees);
3252        })
3253    }
3254
3255    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<'_, Self>) -> Option<Div> {
3256        let content = match self.thread_error.as_ref()? {
3257            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
3258            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
3259            ThreadError::ModelRequestLimitReached(plan) => {
3260                self.render_model_request_limit_reached_error(*plan, cx)
3261            }
3262            ThreadError::ToolUseLimitReached => {
3263                self.render_tool_use_limit_reached_error(window, cx)?
3264            }
3265        };
3266
3267        Some(div().child(content))
3268    }
3269
3270    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
3271        Callout::new()
3272            .severity(Severity::Error)
3273            .title("Error")
3274            .description(error.clone())
3275            .actions_slot(self.create_copy_button(error.to_string()))
3276            .dismiss_action(self.dismiss_error_button(cx))
3277    }
3278
3279    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
3280        const ERROR_MESSAGE: &str =
3281            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3282
3283        Callout::new()
3284            .severity(Severity::Error)
3285            .title("Free Usage Exceeded")
3286            .description(ERROR_MESSAGE)
3287            .actions_slot(
3288                h_flex()
3289                    .gap_0p5()
3290                    .child(self.upgrade_button(cx))
3291                    .child(self.create_copy_button(ERROR_MESSAGE)),
3292            )
3293            .dismiss_action(self.dismiss_error_button(cx))
3294    }
3295
3296    fn render_model_request_limit_reached_error(
3297        &self,
3298        plan: cloud_llm_client::Plan,
3299        cx: &mut Context<Self>,
3300    ) -> Callout {
3301        let error_message = match plan {
3302            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3303            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
3304                "Upgrade to Zed Pro for more prompts."
3305            }
3306        };
3307
3308        Callout::new()
3309            .severity(Severity::Error)
3310            .title("Model Prompt Limit Reached")
3311            .description(error_message)
3312            .actions_slot(
3313                h_flex()
3314                    .gap_0p5()
3315                    .child(self.upgrade_button(cx))
3316                    .child(self.create_copy_button(error_message)),
3317            )
3318            .dismiss_action(self.dismiss_error_button(cx))
3319    }
3320
3321    fn render_tool_use_limit_reached_error(
3322        &self,
3323        window: &mut Window,
3324        cx: &mut Context<Self>,
3325    ) -> Option<Callout> {
3326        let thread = self.as_native_thread(cx)?;
3327        let supports_burn_mode = thread
3328            .read(cx)
3329            .model()
3330            .map_or(false, |model| model.supports_burn_mode());
3331
3332        let focus_handle = self.focus_handle(cx);
3333
3334        Some(
3335            Callout::new()
3336                .icon(IconName::Info)
3337                .title("Consecutive tool use limit reached.")
3338                .actions_slot(
3339                    h_flex()
3340                        .gap_0p5()
3341                        .when(supports_burn_mode, |this| {
3342                            this.child(
3343                                Button::new("continue-burn-mode", "Continue with Burn Mode")
3344                                    .style(ButtonStyle::Filled)
3345                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3346                                    .layer(ElevationIndex::ModalSurface)
3347                                    .label_size(LabelSize::Small)
3348                                    .key_binding(
3349                                        KeyBinding::for_action_in(
3350                                            &ContinueWithBurnMode,
3351                                            &focus_handle,
3352                                            window,
3353                                            cx,
3354                                        )
3355                                        .map(|kb| kb.size(rems_from_px(10.))),
3356                                    )
3357                                    .tooltip(Tooltip::text(
3358                                        "Enable Burn Mode for unlimited tool use.",
3359                                    ))
3360                                    .on_click({
3361                                        cx.listener(move |this, _, _window, cx| {
3362                                            thread.update(cx, |thread, _cx| {
3363                                                thread.set_completion_mode(CompletionMode::Burn);
3364                                            });
3365                                            this.resume_chat(cx);
3366                                        })
3367                                    }),
3368                            )
3369                        })
3370                        .child(
3371                            Button::new("continue-conversation", "Continue")
3372                                .layer(ElevationIndex::ModalSurface)
3373                                .label_size(LabelSize::Small)
3374                                .key_binding(
3375                                    KeyBinding::for_action_in(
3376                                        &ContinueThread,
3377                                        &focus_handle,
3378                                        window,
3379                                        cx,
3380                                    )
3381                                    .map(|kb| kb.size(rems_from_px(10.))),
3382                                )
3383                                .on_click(cx.listener(|this, _, _window, cx| {
3384                                    this.resume_chat(cx);
3385                                })),
3386                        ),
3387                ),
3388        )
3389    }
3390
3391    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3392        let message = message.into();
3393
3394        IconButton::new("copy", IconName::Copy)
3395            .icon_size(IconSize::Small)
3396            .icon_color(Color::Muted)
3397            .tooltip(Tooltip::text("Copy Error Message"))
3398            .on_click(move |_, _, cx| {
3399                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3400            })
3401    }
3402
3403    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3404        IconButton::new("dismiss", IconName::Close)
3405            .icon_size(IconSize::Small)
3406            .icon_color(Color::Muted)
3407            .tooltip(Tooltip::text("Dismiss Error"))
3408            .on_click(cx.listener({
3409                move |this, _, _, cx| {
3410                    this.clear_thread_error(cx);
3411                    cx.notify();
3412                }
3413            }))
3414    }
3415
3416    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3417        Button::new("upgrade", "Upgrade")
3418            .label_size(LabelSize::Small)
3419            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3420            .on_click(cx.listener({
3421                move |this, _, _, cx| {
3422                    this.clear_thread_error(cx);
3423                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3424                }
3425            }))
3426    }
3427}
3428
3429impl Focusable for AcpThreadView {
3430    fn focus_handle(&self, cx: &App) -> FocusHandle {
3431        self.message_editor.focus_handle(cx)
3432    }
3433}
3434
3435impl Render for AcpThreadView {
3436    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3437        let has_messages = self.list_state.item_count() > 0;
3438
3439        v_flex()
3440            .size_full()
3441            .key_context("AcpThread")
3442            .on_action(cx.listener(Self::open_agent_diff))
3443            .on_action(cx.listener(Self::toggle_burn_mode))
3444            .bg(cx.theme().colors().panel_background)
3445            .child(match &self.thread_state {
3446                ThreadState::Unauthenticated {
3447                    connection,
3448                    description,
3449                    configuration_view,
3450                    ..
3451                } => self.render_auth_required_state(
3452                    connection,
3453                    description.as_ref(),
3454                    configuration_view.as_ref(),
3455                    window,
3456                    cx,
3457                ),
3458                ThreadState::Loading { .. } => v_flex().flex_1().child(self.render_empty_state(cx)),
3459                ThreadState::LoadError(e) => v_flex()
3460                    .p_2()
3461                    .flex_1()
3462                    .items_center()
3463                    .justify_center()
3464                    .child(self.render_load_error(e, cx)),
3465                ThreadState::ServerExited { status } => v_flex()
3466                    .p_2()
3467                    .flex_1()
3468                    .items_center()
3469                    .justify_center()
3470                    .child(self.render_server_exited(*status, cx)),
3471                ThreadState::Ready { thread, .. } => {
3472                    let thread_clone = thread.clone();
3473
3474                    v_flex().flex_1().map(|this| {
3475                        if has_messages {
3476                            this.child(
3477                                list(
3478                                    self.list_state.clone(),
3479                                    cx.processor(|this, index: usize, window, cx| {
3480                                        let Some((entry, len)) = this.thread().and_then(|thread| {
3481                                            let entries = &thread.read(cx).entries();
3482                                            Some((entries.get(index)?, entries.len()))
3483                                        }) else {
3484                                            return Empty.into_any();
3485                                        };
3486                                        this.render_entry(index, len, entry, window, cx)
3487                                    }),
3488                                )
3489                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
3490                                .flex_grow()
3491                                .into_any(),
3492                            )
3493                            .child(self.render_vertical_scrollbar(cx))
3494                            .children(
3495                                match thread_clone.read(cx).status() {
3496                                    ThreadStatus::Idle
3497                                    | ThreadStatus::WaitingForToolConfirmation => None,
3498                                    ThreadStatus::Generating => div()
3499                                        .px_5()
3500                                        .py_2()
3501                                        .child(LoadingLabel::new("").size(LabelSize::Small))
3502                                        .into(),
3503                                },
3504                            )
3505                        } else {
3506                            this.child(self.render_empty_state(cx))
3507                        }
3508                    })
3509                }
3510            })
3511            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
3512            // above so that the scrollbar doesn't render behind it. The current setup allows
3513            // the scrollbar to stop exactly at the activity bar start.
3514            .when(has_messages, |this| match &self.thread_state {
3515                ThreadState::Ready { thread, .. } => {
3516                    this.children(self.render_activity_bar(thread, window, cx))
3517                }
3518                _ => this,
3519            })
3520            .children(self.render_thread_error(window, cx))
3521            .child(self.render_message_editor(window, cx))
3522    }
3523}
3524
3525fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
3526    let theme_settings = ThemeSettings::get_global(cx);
3527    let colors = cx.theme().colors();
3528
3529    let buffer_font_size = TextSize::Small.rems(cx);
3530
3531    let mut text_style = window.text_style();
3532    let line_height = buffer_font_size * 1.75;
3533
3534    let font_family = if buffer_font {
3535        theme_settings.buffer_font.family.clone()
3536    } else {
3537        theme_settings.ui_font.family.clone()
3538    };
3539
3540    let font_size = if buffer_font {
3541        TextSize::Small.rems(cx)
3542    } else {
3543        TextSize::Default.rems(cx)
3544    };
3545
3546    text_style.refine(&TextStyleRefinement {
3547        font_family: Some(font_family),
3548        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
3549        font_features: Some(theme_settings.ui_font.features.clone()),
3550        font_size: Some(font_size.into()),
3551        line_height: Some(line_height.into()),
3552        color: Some(cx.theme().colors().text),
3553        ..Default::default()
3554    });
3555
3556    MarkdownStyle {
3557        base_text_style: text_style.clone(),
3558        syntax: cx.theme().syntax().clone(),
3559        selection_background_color: cx.theme().colors().element_selection_background,
3560        code_block_overflow_x_scroll: true,
3561        table_overflow_x_scroll: true,
3562        heading_level_styles: Some(HeadingLevelStyles {
3563            h1: Some(TextStyleRefinement {
3564                font_size: Some(rems(1.15).into()),
3565                ..Default::default()
3566            }),
3567            h2: Some(TextStyleRefinement {
3568                font_size: Some(rems(1.1).into()),
3569                ..Default::default()
3570            }),
3571            h3: Some(TextStyleRefinement {
3572                font_size: Some(rems(1.05).into()),
3573                ..Default::default()
3574            }),
3575            h4: Some(TextStyleRefinement {
3576                font_size: Some(rems(1.).into()),
3577                ..Default::default()
3578            }),
3579            h5: Some(TextStyleRefinement {
3580                font_size: Some(rems(0.95).into()),
3581                ..Default::default()
3582            }),
3583            h6: Some(TextStyleRefinement {
3584                font_size: Some(rems(0.875).into()),
3585                ..Default::default()
3586            }),
3587        }),
3588        code_block: StyleRefinement {
3589            padding: EdgesRefinement {
3590                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3591                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3592                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3593                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3594            },
3595            margin: EdgesRefinement {
3596                top: Some(Length::Definite(Pixels(8.).into())),
3597                left: Some(Length::Definite(Pixels(0.).into())),
3598                right: Some(Length::Definite(Pixels(0.).into())),
3599                bottom: Some(Length::Definite(Pixels(12.).into())),
3600            },
3601            border_style: Some(BorderStyle::Solid),
3602            border_widths: EdgesRefinement {
3603                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
3604                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
3605                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
3606                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
3607            },
3608            border_color: Some(colors.border_variant),
3609            background: Some(colors.editor_background.into()),
3610            text: Some(TextStyleRefinement {
3611                font_family: Some(theme_settings.buffer_font.family.clone()),
3612                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
3613                font_features: Some(theme_settings.buffer_font.features.clone()),
3614                font_size: Some(buffer_font_size.into()),
3615                ..Default::default()
3616            }),
3617            ..Default::default()
3618        },
3619        inline_code: TextStyleRefinement {
3620            font_family: Some(theme_settings.buffer_font.family.clone()),
3621            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
3622            font_features: Some(theme_settings.buffer_font.features.clone()),
3623            font_size: Some(buffer_font_size.into()),
3624            background_color: Some(colors.editor_foreground.opacity(0.08)),
3625            ..Default::default()
3626        },
3627        link: TextStyleRefinement {
3628            background_color: Some(colors.editor_foreground.opacity(0.025)),
3629            underline: Some(UnderlineStyle {
3630                color: Some(colors.text_accent.opacity(0.5)),
3631                thickness: px(1.),
3632                ..Default::default()
3633            }),
3634            ..Default::default()
3635        },
3636        ..Default::default()
3637    }
3638}
3639
3640fn plan_label_markdown_style(
3641    status: &acp::PlanEntryStatus,
3642    window: &Window,
3643    cx: &App,
3644) -> MarkdownStyle {
3645    let default_md_style = default_markdown_style(false, window, cx);
3646
3647    MarkdownStyle {
3648        base_text_style: TextStyle {
3649            color: cx.theme().colors().text_muted,
3650            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
3651                Some(gpui::StrikethroughStyle {
3652                    thickness: px(1.),
3653                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
3654                })
3655            } else {
3656                None
3657            },
3658            ..default_md_style.base_text_style
3659        },
3660        ..default_md_style
3661    }
3662}
3663
3664fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
3665    let default_md_style = default_markdown_style(true, window, cx);
3666
3667    MarkdownStyle {
3668        base_text_style: TextStyle {
3669            ..default_md_style.base_text_style
3670        },
3671        selection_background_color: cx.theme().colors().element_selection_background,
3672        ..Default::default()
3673    }
3674}
3675
3676#[cfg(test)]
3677pub(crate) mod tests {
3678    use acp_thread::StubAgentConnection;
3679    use agent::{TextThreadStore, ThreadStore};
3680    use agent_client_protocol::SessionId;
3681    use editor::EditorSettings;
3682    use fs::FakeFs;
3683    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
3684    use project::Project;
3685    use serde_json::json;
3686    use settings::SettingsStore;
3687    use std::any::Any;
3688    use std::path::Path;
3689    use workspace::Item;
3690
3691    use super::*;
3692
3693    #[gpui::test]
3694    async fn test_drop(cx: &mut TestAppContext) {
3695        init_test(cx);
3696
3697        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3698        let weak_view = thread_view.downgrade();
3699        drop(thread_view);
3700        assert!(!weak_view.is_upgradable());
3701    }
3702
3703    #[gpui::test]
3704    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
3705        init_test(cx);
3706
3707        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3708
3709        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
3710        message_editor.update_in(cx, |editor, window, cx| {
3711            editor.set_text("Hello", window, cx);
3712        });
3713
3714        cx.deactivate_window();
3715
3716        thread_view.update_in(cx, |thread_view, window, cx| {
3717            thread_view.send(window, cx);
3718        });
3719
3720        cx.run_until_parked();
3721
3722        assert!(
3723            cx.windows()
3724                .iter()
3725                .any(|window| window.downcast::<AgentNotification>().is_some())
3726        );
3727    }
3728
3729    #[gpui::test]
3730    async fn test_notification_for_error(cx: &mut TestAppContext) {
3731        init_test(cx);
3732
3733        let (thread_view, cx) =
3734            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
3735
3736        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
3737        message_editor.update_in(cx, |editor, window, cx| {
3738            editor.set_text("Hello", window, cx);
3739        });
3740
3741        cx.deactivate_window();
3742
3743        thread_view.update_in(cx, |thread_view, window, cx| {
3744            thread_view.send(window, cx);
3745        });
3746
3747        cx.run_until_parked();
3748
3749        assert!(
3750            cx.windows()
3751                .iter()
3752                .any(|window| window.downcast::<AgentNotification>().is_some())
3753        );
3754    }
3755
3756    #[gpui::test]
3757    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3758        init_test(cx);
3759
3760        let tool_call_id = acp::ToolCallId("1".into());
3761        let tool_call = acp::ToolCall {
3762            id: tool_call_id.clone(),
3763            title: "Label".into(),
3764            kind: acp::ToolKind::Edit,
3765            status: acp::ToolCallStatus::Pending,
3766            content: vec!["hi".into()],
3767            locations: vec![],
3768            raw_input: None,
3769            raw_output: None,
3770        };
3771        let connection =
3772            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3773                tool_call_id,
3774                vec![acp::PermissionOption {
3775                    id: acp::PermissionOptionId("1".into()),
3776                    name: "Allow".into(),
3777                    kind: acp::PermissionOptionKind::AllowOnce,
3778                }],
3779            )]));
3780
3781        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3782
3783        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
3784
3785        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
3786        message_editor.update_in(cx, |editor, window, cx| {
3787            editor.set_text("Hello", window, cx);
3788        });
3789
3790        cx.deactivate_window();
3791
3792        thread_view.update_in(cx, |thread_view, window, cx| {
3793            thread_view.send(window, cx);
3794        });
3795
3796        cx.run_until_parked();
3797
3798        assert!(
3799            cx.windows()
3800                .iter()
3801                .any(|window| window.downcast::<AgentNotification>().is_some())
3802        );
3803    }
3804
3805    async fn setup_thread_view(
3806        agent: impl AgentServer + 'static,
3807        cx: &mut TestAppContext,
3808    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
3809        let fs = FakeFs::new(cx.executor());
3810        let project = Project::test(fs, [], cx).await;
3811        let (workspace, cx) =
3812            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
3813
3814        let thread_store =
3815            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
3816        let text_thread_store =
3817            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
3818
3819        let thread_view = cx.update(|window, cx| {
3820            cx.new(|cx| {
3821                AcpThreadView::new(
3822                    Rc::new(agent),
3823                    workspace.downgrade(),
3824                    project,
3825                    thread_store.clone(),
3826                    text_thread_store.clone(),
3827                    window,
3828                    cx,
3829                )
3830            })
3831        });
3832        cx.run_until_parked();
3833        (thread_view, cx)
3834    }
3835
3836    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
3837        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
3838
3839        workspace
3840            .update_in(cx, |workspace, window, cx| {
3841                workspace.add_item_to_active_pane(
3842                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
3843                    None,
3844                    true,
3845                    window,
3846                    cx,
3847                );
3848            })
3849            .unwrap();
3850    }
3851
3852    struct ThreadViewItem(Entity<AcpThreadView>);
3853
3854    impl Item for ThreadViewItem {
3855        type Event = ();
3856
3857        fn include_in_nav_history() -> bool {
3858            false
3859        }
3860
3861        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
3862            "Test".into()
3863        }
3864    }
3865
3866    impl EventEmitter<()> for ThreadViewItem {}
3867
3868    impl Focusable for ThreadViewItem {
3869        fn focus_handle(&self, cx: &App) -> FocusHandle {
3870            self.0.read(cx).focus_handle(cx).clone()
3871        }
3872    }
3873
3874    impl Render for ThreadViewItem {
3875        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
3876            self.0.clone().into_any_element()
3877        }
3878    }
3879
3880    struct StubAgentServer<C> {
3881        connection: C,
3882    }
3883
3884    impl<C> StubAgentServer<C> {
3885        fn new(connection: C) -> Self {
3886            Self { connection }
3887        }
3888    }
3889
3890    impl StubAgentServer<StubAgentConnection> {
3891        fn default_response() -> Self {
3892            let conn = StubAgentConnection::new();
3893            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
3894                content: "Default response".into(),
3895            }]);
3896            Self::new(conn)
3897        }
3898    }
3899
3900    impl<C> AgentServer for StubAgentServer<C>
3901    where
3902        C: 'static + AgentConnection + Send + Clone,
3903    {
3904        fn logo(&self) -> ui::IconName {
3905            ui::IconName::Ai
3906        }
3907
3908        fn name(&self) -> &'static str {
3909            "Test"
3910        }
3911
3912        fn empty_state_headline(&self) -> &'static str {
3913            "Test"
3914        }
3915
3916        fn empty_state_message(&self) -> &'static str {
3917            "Test"
3918        }
3919
3920        fn connect(
3921            &self,
3922            _root_dir: &Path,
3923            _project: &Entity<Project>,
3924            _cx: &mut App,
3925        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3926            Task::ready(Ok(Rc::new(self.connection.clone())))
3927        }
3928    }
3929
3930    #[derive(Clone)]
3931    struct SaboteurAgentConnection;
3932
3933    impl AgentConnection for SaboteurAgentConnection {
3934        fn new_thread(
3935            self: Rc<Self>,
3936            project: Entity<Project>,
3937            _cwd: &Path,
3938            cx: &mut gpui::App,
3939        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3940            Task::ready(Ok(cx.new(|cx| {
3941                AcpThread::new(
3942                    "SaboteurAgentConnection",
3943                    self,
3944                    project,
3945                    SessionId("test".into()),
3946                    cx,
3947                )
3948            })))
3949        }
3950
3951        fn auth_methods(&self) -> &[acp::AuthMethod] {
3952            &[]
3953        }
3954
3955        fn authenticate(
3956            &self,
3957            _method_id: acp::AuthMethodId,
3958            _cx: &mut App,
3959        ) -> Task<gpui::Result<()>> {
3960            unimplemented!()
3961        }
3962
3963        fn prompt(
3964            &self,
3965            _id: Option<acp_thread::UserMessageId>,
3966            _params: acp::PromptRequest,
3967            _cx: &mut App,
3968        ) -> Task<gpui::Result<acp::PromptResponse>> {
3969            Task::ready(Err(anyhow::anyhow!("Error prompting")))
3970        }
3971
3972        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
3973            unimplemented!()
3974        }
3975
3976        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3977            self
3978        }
3979    }
3980
3981    pub(crate) fn init_test(cx: &mut TestAppContext) {
3982        cx.update(|cx| {
3983            let settings_store = SettingsStore::test(cx);
3984            cx.set_global(settings_store);
3985            language::init(cx);
3986            Project::init_settings(cx);
3987            AgentSettings::register(cx);
3988            workspace::init_settings(cx);
3989            ThemeSettings::register(cx);
3990            release_channel::init(SemanticVersion::default(), cx);
3991            EditorSettings::register(cx);
3992        });
3993    }
3994
3995    #[gpui::test]
3996    async fn test_rewind_views(cx: &mut TestAppContext) {
3997        init_test(cx);
3998
3999        let fs = FakeFs::new(cx.executor());
4000        fs.insert_tree(
4001            "/project",
4002            json!({
4003                "test1.txt": "old content 1",
4004                "test2.txt": "old content 2"
4005            }),
4006        )
4007        .await;
4008        let project = Project::test(fs, [Path::new("/project")], cx).await;
4009        let (workspace, cx) =
4010            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4011
4012        let thread_store =
4013            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
4014        let text_thread_store =
4015            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
4016
4017        let connection = Rc::new(StubAgentConnection::new());
4018        let thread_view = cx.update(|window, cx| {
4019            cx.new(|cx| {
4020                AcpThreadView::new(
4021                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4022                    workspace.downgrade(),
4023                    project.clone(),
4024                    thread_store.clone(),
4025                    text_thread_store.clone(),
4026                    window,
4027                    cx,
4028                )
4029            })
4030        });
4031
4032        cx.run_until_parked();
4033
4034        let thread = thread_view
4035            .read_with(cx, |view, _| view.thread().cloned())
4036            .unwrap();
4037
4038        // First user message
4039        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4040            id: acp::ToolCallId("tool1".into()),
4041            title: "Edit file 1".into(),
4042            kind: acp::ToolKind::Edit,
4043            status: acp::ToolCallStatus::Completed,
4044            content: vec![acp::ToolCallContent::Diff {
4045                diff: acp::Diff {
4046                    path: "/project/test1.txt".into(),
4047                    old_text: Some("old content 1".into()),
4048                    new_text: "new content 1".into(),
4049                },
4050            }],
4051            locations: vec![],
4052            raw_input: None,
4053            raw_output: None,
4054        })]);
4055
4056        thread
4057            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4058            .await
4059            .unwrap();
4060        cx.run_until_parked();
4061
4062        thread.read_with(cx, |thread, _| {
4063            assert_eq!(thread.entries().len(), 2);
4064        });
4065
4066        thread_view.read_with(cx, |view, cx| {
4067            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4068                assert!(
4069                    entry_view_state
4070                        .entry(0)
4071                        .unwrap()
4072                        .message_editor()
4073                        .is_some()
4074                );
4075                assert!(entry_view_state.entry(1).unwrap().has_content());
4076            });
4077        });
4078
4079        // Second user message
4080        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4081            id: acp::ToolCallId("tool2".into()),
4082            title: "Edit file 2".into(),
4083            kind: acp::ToolKind::Edit,
4084            status: acp::ToolCallStatus::Completed,
4085            content: vec![acp::ToolCallContent::Diff {
4086                diff: acp::Diff {
4087                    path: "/project/test2.txt".into(),
4088                    old_text: Some("old content 2".into()),
4089                    new_text: "new content 2".into(),
4090                },
4091            }],
4092            locations: vec![],
4093            raw_input: None,
4094            raw_output: None,
4095        })]);
4096
4097        thread
4098            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4099            .await
4100            .unwrap();
4101        cx.run_until_parked();
4102
4103        let second_user_message_id = thread.read_with(cx, |thread, _| {
4104            assert_eq!(thread.entries().len(), 4);
4105            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4106                panic!();
4107            };
4108            user_message.id.clone().unwrap()
4109        });
4110
4111        thread_view.read_with(cx, |view, cx| {
4112            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4113                assert!(
4114                    entry_view_state
4115                        .entry(0)
4116                        .unwrap()
4117                        .message_editor()
4118                        .is_some()
4119                );
4120                assert!(entry_view_state.entry(1).unwrap().has_content());
4121                assert!(
4122                    entry_view_state
4123                        .entry(2)
4124                        .unwrap()
4125                        .message_editor()
4126                        .is_some()
4127                );
4128                assert!(entry_view_state.entry(3).unwrap().has_content());
4129            });
4130        });
4131
4132        // Rewind to first message
4133        thread
4134            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4135            .await
4136            .unwrap();
4137
4138        cx.run_until_parked();
4139
4140        thread.read_with(cx, |thread, _| {
4141            assert_eq!(thread.entries().len(), 2);
4142        });
4143
4144        thread_view.read_with(cx, |view, cx| {
4145            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4146                assert!(
4147                    entry_view_state
4148                        .entry(0)
4149                        .unwrap()
4150                        .message_editor()
4151                        .is_some()
4152                );
4153                assert!(entry_view_state.entry(1).unwrap().has_content());
4154
4155                // Old views should be dropped
4156                assert!(entry_view_state.entry(2).is_none());
4157                assert!(entry_view_state.entry(3).is_none());
4158            });
4159        });
4160    }
4161
4162    #[gpui::test]
4163    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4164        init_test(cx);
4165
4166        let connection = StubAgentConnection::new();
4167
4168        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4169            content: acp::ContentBlock::Text(acp::TextContent {
4170                text: "Response".into(),
4171                annotations: None,
4172            }),
4173        }]);
4174
4175        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4176        add_to_workspace(thread_view.clone(), cx);
4177
4178        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4179        message_editor.update_in(cx, |editor, window, cx| {
4180            editor.set_text("Original message to edit", window, cx);
4181        });
4182        thread_view.update_in(cx, |thread_view, window, cx| {
4183            thread_view.send(window, cx);
4184        });
4185
4186        cx.run_until_parked();
4187
4188        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4189            assert_eq!(view.editing_message, None);
4190
4191            view.entry_view_state
4192                .read(cx)
4193                .entry(0)
4194                .unwrap()
4195                .message_editor()
4196                .unwrap()
4197                .clone()
4198        });
4199
4200        // Focus
4201        cx.focus(&user_message_editor);
4202        thread_view.read_with(cx, |view, _cx| {
4203            assert_eq!(view.editing_message, Some(0));
4204        });
4205
4206        // Edit
4207        user_message_editor.update_in(cx, |editor, window, cx| {
4208            editor.set_text("Edited message content", window, cx);
4209        });
4210
4211        // Cancel
4212        user_message_editor.update_in(cx, |_editor, window, cx| {
4213            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4214        });
4215
4216        thread_view.read_with(cx, |view, _cx| {
4217            assert_eq!(view.editing_message, None);
4218        });
4219
4220        user_message_editor.read_with(cx, |editor, cx| {
4221            assert_eq!(editor.text(cx), "Original message to edit");
4222        });
4223    }
4224
4225    #[gpui::test]
4226    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4227        init_test(cx);
4228
4229        let connection = StubAgentConnection::new();
4230
4231        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4232            content: acp::ContentBlock::Text(acp::TextContent {
4233                text: "Response".into(),
4234                annotations: None,
4235            }),
4236        }]);
4237
4238        let (thread_view, cx) =
4239            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4240        add_to_workspace(thread_view.clone(), cx);
4241
4242        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4243        message_editor.update_in(cx, |editor, window, cx| {
4244            editor.set_text("Original message to edit", window, cx);
4245        });
4246        thread_view.update_in(cx, |thread_view, window, cx| {
4247            thread_view.send(window, cx);
4248        });
4249
4250        cx.run_until_parked();
4251
4252        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4253            assert_eq!(view.editing_message, None);
4254            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
4255
4256            view.entry_view_state
4257                .read(cx)
4258                .entry(0)
4259                .unwrap()
4260                .message_editor()
4261                .unwrap()
4262                .clone()
4263        });
4264
4265        // Focus
4266        cx.focus(&user_message_editor);
4267
4268        // Edit
4269        user_message_editor.update_in(cx, |editor, window, cx| {
4270            editor.set_text("Edited message content", window, cx);
4271        });
4272
4273        // Send
4274        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4275            content: acp::ContentBlock::Text(acp::TextContent {
4276                text: "New Response".into(),
4277                annotations: None,
4278            }),
4279        }]);
4280
4281        user_message_editor.update_in(cx, |_editor, window, cx| {
4282            window.dispatch_action(Box::new(Chat), cx);
4283        });
4284
4285        cx.run_until_parked();
4286
4287        thread_view.read_with(cx, |view, cx| {
4288            assert_eq!(view.editing_message, None);
4289
4290            let entries = view.thread().unwrap().read(cx).entries();
4291            assert_eq!(entries.len(), 2);
4292            assert_eq!(
4293                entries[0].to_markdown(cx),
4294                "## User\n\nEdited message content\n\n"
4295            );
4296            assert_eq!(
4297                entries[1].to_markdown(cx),
4298                "## Assistant\n\nNew Response\n\n"
4299            );
4300
4301            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
4302                assert!(!state.entry(1).unwrap().has_content());
4303                state.entry(0).unwrap().message_editor().unwrap().clone()
4304            });
4305
4306            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4307        })
4308    }
4309
4310    #[gpui::test]
4311    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4312        init_test(cx);
4313
4314        let connection = StubAgentConnection::new();
4315
4316        let (thread_view, cx) =
4317            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4318        add_to_workspace(thread_view.clone(), cx);
4319
4320        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4321        message_editor.update_in(cx, |editor, window, cx| {
4322            editor.set_text("Original message to edit", window, cx);
4323        });
4324        thread_view.update_in(cx, |thread_view, window, cx| {
4325            thread_view.send(window, cx);
4326        });
4327
4328        cx.run_until_parked();
4329
4330        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
4331            let thread = view.thread().unwrap().read(cx);
4332            assert_eq!(thread.entries().len(), 1);
4333
4334            let editor = view
4335                .entry_view_state
4336                .read(cx)
4337                .entry(0)
4338                .unwrap()
4339                .message_editor()
4340                .unwrap()
4341                .clone();
4342
4343            (editor, thread.session_id().clone())
4344        });
4345
4346        // Focus
4347        cx.focus(&user_message_editor);
4348
4349        thread_view.read_with(cx, |view, _cx| {
4350            assert_eq!(view.editing_message, Some(0));
4351        });
4352
4353        // Edit
4354        user_message_editor.update_in(cx, |editor, window, cx| {
4355            editor.set_text("Edited message content", window, cx);
4356        });
4357
4358        thread_view.read_with(cx, |view, _cx| {
4359            assert_eq!(view.editing_message, Some(0));
4360        });
4361
4362        // Finish streaming response
4363        cx.update(|_, cx| {
4364            connection.send_update(
4365                session_id.clone(),
4366                acp::SessionUpdate::AgentMessageChunk {
4367                    content: acp::ContentBlock::Text(acp::TextContent {
4368                        text: "Response".into(),
4369                        annotations: None,
4370                    }),
4371                },
4372                cx,
4373            );
4374            connection.end_turn(session_id, acp::StopReason::EndTurn);
4375        });
4376
4377        thread_view.read_with(cx, |view, _cx| {
4378            assert_eq!(view.editing_message, Some(0));
4379        });
4380
4381        cx.run_until_parked();
4382
4383        // Should still be editing
4384        cx.update(|window, cx| {
4385            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4386            assert_eq!(thread_view.read(cx).editing_message, Some(0));
4387            assert_eq!(
4388                user_message_editor.read(cx).text(cx),
4389                "Edited message content"
4390            );
4391        });
4392    }
4393
4394    #[gpui::test]
4395    async fn test_interrupt(cx: &mut TestAppContext) {
4396        init_test(cx);
4397
4398        let connection = StubAgentConnection::new();
4399
4400        let (thread_view, cx) =
4401            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4402        add_to_workspace(thread_view.clone(), cx);
4403
4404        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4405        message_editor.update_in(cx, |editor, window, cx| {
4406            editor.set_text("Message 1", window, cx);
4407        });
4408        thread_view.update_in(cx, |thread_view, window, cx| {
4409            thread_view.send(window, cx);
4410        });
4411
4412        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
4413            let thread = view.thread().unwrap();
4414
4415            (thread.clone(), thread.read(cx).session_id().clone())
4416        });
4417
4418        cx.run_until_parked();
4419
4420        cx.update(|_, cx| {
4421            connection.send_update(
4422                session_id.clone(),
4423                acp::SessionUpdate::AgentMessageChunk {
4424                    content: "Message 1 resp".into(),
4425                },
4426                cx,
4427            );
4428        });
4429
4430        cx.run_until_parked();
4431
4432        thread.read_with(cx, |thread, cx| {
4433            assert_eq!(
4434                thread.to_markdown(cx),
4435                indoc::indoc! {"
4436                    ## User
4437
4438                    Message 1
4439
4440                    ## Assistant
4441
4442                    Message 1 resp
4443
4444                "}
4445            )
4446        });
4447
4448        message_editor.update_in(cx, |editor, window, cx| {
4449            editor.set_text("Message 2", window, cx);
4450        });
4451        thread_view.update_in(cx, |thread_view, window, cx| {
4452            thread_view.send(window, cx);
4453        });
4454
4455        cx.update(|_, cx| {
4456            // Simulate a response sent after beginning to cancel
4457            connection.send_update(
4458                session_id.clone(),
4459                acp::SessionUpdate::AgentMessageChunk {
4460                    content: "onse".into(),
4461                },
4462                cx,
4463            );
4464        });
4465
4466        cx.run_until_parked();
4467
4468        // Last Message 1 response should appear before Message 2
4469        thread.read_with(cx, |thread, cx| {
4470            assert_eq!(
4471                thread.to_markdown(cx),
4472                indoc::indoc! {"
4473                    ## User
4474
4475                    Message 1
4476
4477                    ## Assistant
4478
4479                    Message 1 response
4480
4481                    ## User
4482
4483                    Message 2
4484
4485                "}
4486            )
4487        });
4488
4489        cx.update(|_, cx| {
4490            connection.send_update(
4491                session_id.clone(),
4492                acp::SessionUpdate::AgentMessageChunk {
4493                    content: "Message 2 response".into(),
4494                },
4495                cx,
4496            );
4497            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
4498        });
4499
4500        cx.run_until_parked();
4501
4502        thread.read_with(cx, |thread, cx| {
4503            assert_eq!(
4504                thread.to_markdown(cx),
4505                indoc::indoc! {"
4506                    ## User
4507
4508                    Message 1
4509
4510                    ## Assistant
4511
4512                    Message 1 response
4513
4514                    ## User
4515
4516                    Message 2
4517
4518                    ## Assistant
4519
4520                    Message 2 response
4521
4522                "}
4523            )
4524        });
4525    }
4526}