thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent::{TextThreadStore, ThreadStore};
   9use agent_client_protocol::{self as acp};
  10use agent_servers::{AgentServer, ClaudeCode};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  12use agent2::{DbThreadMetadata, HistoryEntryId, HistoryStore};
  13use anyhow::bail;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use collections::{HashMap, HashSet};
  18use editor::scroll::Autoscroll;
  19use editor::{Editor, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  20use file_icons::FileIcons;
  21use fs::Fs;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length, ListOffset,
  25    ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement, Subscription,
  26    Task, TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, Window,
  27    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, percentage, point,
  28    prelude::*, pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::LanguageModelRegistry;
  33use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  34use project::{Project, ProjectEntryId};
  35use prompt_store::PromptId;
  36use rope::Point;
  37use settings::{Settings as _, SettingsStore};
  38use std::sync::Arc;
  39use std::time::Instant;
  40use std::{collections::BTreeMap, rc::Rc, time::Duration};
  41use text::Anchor;
  42use theme::ThemeSettings;
  43use ui::{
  44    Callout, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle,
  45    Scrollbar, ScrollbarState, Tooltip, prelude::*,
  46};
  47use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  48use workspace::{CollaboratorId, Workspace};
  49use zed_actions::agent::{Chat, ToggleModelSelector};
  50use zed_actions::assistant::OpenRulesLibrary;
  51
  52use super::entry_view_state::EntryViewState;
  53use crate::acp::AcpModelSelectorPopover;
  54use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  55use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  56use crate::agent_diff::AgentDiff;
  57use crate::profile_selector::{ProfileProvider, ProfileSelector};
  58use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip};
  59use crate::{
  60    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, ExpandMessageEditor, Follow,
  61    KeepAll, OpenAgentDiff, RejectAll, ToggleBurnMode, ToggleProfileSelector,
  62};
  63
  64const RESPONSE_PADDING_X: Pixels = px(19.);
  65pub const MIN_EDITOR_LINES: usize = 4;
  66pub const MAX_EDITOR_LINES: usize = 8;
  67
  68enum ThreadError {
  69    PaymentRequired,
  70    ModelRequestLimitReached(cloud_llm_client::Plan),
  71    ToolUseLimitReached,
  72    Other(SharedString),
  73}
  74
  75impl ThreadError {
  76    fn from_err(error: anyhow::Error) -> Self {
  77        if error.is::<language_model::PaymentRequiredError>() {
  78            Self::PaymentRequired
  79        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  80            Self::ToolUseLimitReached
  81        } else if let Some(error) =
  82            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  83        {
  84            Self::ModelRequestLimitReached(error.plan)
  85        } else {
  86            Self::Other(error.to_string().into())
  87        }
  88    }
  89}
  90
  91impl ProfileProvider for Entity<agent2::Thread> {
  92    fn profile_id(&self, cx: &App) -> AgentProfileId {
  93        self.read(cx).profile().clone()
  94    }
  95
  96    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
  97        self.update(cx, |thread, _cx| {
  98            thread.set_profile(profile_id);
  99        });
 100    }
 101
 102    fn profiles_supported(&self, cx: &App) -> bool {
 103        self.read(cx)
 104            .model()
 105            .is_some_and(|model| model.supports_tools())
 106    }
 107}
 108
 109pub struct AcpThreadView {
 110    agent: Rc<dyn AgentServer>,
 111    workspace: WeakEntity<Workspace>,
 112    project: Entity<Project>,
 113    thread_state: ThreadState,
 114    history_store: Entity<HistoryStore>,
 115    entry_view_state: Entity<EntryViewState>,
 116    message_editor: Entity<MessageEditor>,
 117    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 118    profile_selector: Option<Entity<ProfileSelector>>,
 119    notifications: Vec<WindowHandle<AgentNotification>>,
 120    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 121    thread_retry_status: Option<RetryStatus>,
 122    thread_error: Option<ThreadError>,
 123    list_state: ListState,
 124    scrollbar_state: ScrollbarState,
 125    auth_task: Option<Task<()>>,
 126    expanded_tool_calls: HashSet<acp::ToolCallId>,
 127    expanded_thinking_blocks: HashSet<(usize, usize)>,
 128    edits_expanded: bool,
 129    plan_expanded: bool,
 130    editor_expanded: bool,
 131    terminal_expanded: bool,
 132    editing_message: Option<usize>,
 133    _cancel_task: Option<Task<()>>,
 134    _subscriptions: [Subscription; 3],
 135}
 136
 137enum ThreadState {
 138    Loading {
 139        _task: Task<()>,
 140    },
 141    Ready {
 142        thread: Entity<AcpThread>,
 143        _subscription: [Subscription; 2],
 144    },
 145    LoadError(LoadError),
 146    Unauthenticated {
 147        connection: Rc<dyn AgentConnection>,
 148        description: Option<Entity<Markdown>>,
 149        configuration_view: Option<AnyView>,
 150        _subscription: Option<Subscription>,
 151    },
 152}
 153
 154impl AcpThreadView {
 155    pub fn new(
 156        agent: Rc<dyn AgentServer>,
 157        resume_thread: Option<DbThreadMetadata>,
 158        workspace: WeakEntity<Workspace>,
 159        project: Entity<Project>,
 160        history_store: Entity<HistoryStore>,
 161        thread_store: Entity<ThreadStore>,
 162        text_thread_store: Entity<TextThreadStore>,
 163        window: &mut Window,
 164        cx: &mut Context<Self>,
 165    ) -> Self {
 166        let prevent_slash_commands = agent.clone().downcast::<ClaudeCode>().is_some();
 167        let message_editor = cx.new(|cx| {
 168            MessageEditor::new(
 169                workspace.clone(),
 170                project.clone(),
 171                thread_store.clone(),
 172                text_thread_store.clone(),
 173                "Message the agent — @ to include context",
 174                prevent_slash_commands,
 175                editor::EditorMode::AutoHeight {
 176                    min_lines: MIN_EDITOR_LINES,
 177                    max_lines: Some(MAX_EDITOR_LINES),
 178                },
 179                window,
 180                cx,
 181            )
 182        });
 183
 184        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 185
 186        let entry_view_state = cx.new(|_| {
 187            EntryViewState::new(
 188                workspace.clone(),
 189                project.clone(),
 190                thread_store.clone(),
 191                text_thread_store.clone(),
 192                prevent_slash_commands,
 193            )
 194        });
 195
 196        let subscriptions = [
 197            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 198            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 199            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 200        ];
 201
 202        Self {
 203            agent: agent.clone(),
 204            workspace: workspace.clone(),
 205            project: project.clone(),
 206            entry_view_state,
 207            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 208            message_editor,
 209            model_selector: None,
 210            profile_selector: None,
 211            notifications: Vec::new(),
 212            notification_subscriptions: HashMap::default(),
 213            list_state: list_state.clone(),
 214            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 215            thread_retry_status: None,
 216            thread_error: None,
 217            auth_task: None,
 218            expanded_tool_calls: HashSet::default(),
 219            expanded_thinking_blocks: HashSet::default(),
 220            editing_message: None,
 221            edits_expanded: false,
 222            plan_expanded: false,
 223            editor_expanded: false,
 224            terminal_expanded: true,
 225            history_store,
 226            _subscriptions: subscriptions,
 227            _cancel_task: None,
 228        }
 229    }
 230
 231    fn initial_state(
 232        agent: Rc<dyn AgentServer>,
 233        resume_thread: Option<DbThreadMetadata>,
 234        workspace: WeakEntity<Workspace>,
 235        project: Entity<Project>,
 236        window: &mut Window,
 237        cx: &mut Context<Self>,
 238    ) -> ThreadState {
 239        let root_dir = project
 240            .read(cx)
 241            .visible_worktrees(cx)
 242            .next()
 243            .map(|worktree| worktree.read(cx).abs_path())
 244            .unwrap_or_else(|| paths::home_dir().as_path().into());
 245
 246        let connect_task = agent.connect(&root_dir, &project, cx);
 247        let load_task = cx.spawn_in(window, async move |this, cx| {
 248            let connection = match connect_task.await {
 249                Ok(connection) => connection,
 250                Err(err) => {
 251                    this.update(cx, |this, cx| {
 252                        this.handle_load_error(err, cx);
 253                        cx.notify();
 254                    })
 255                    .log_err();
 256                    return;
 257                }
 258            };
 259
 260            let result = if let Some(native_agent) = connection
 261                .clone()
 262                .downcast::<agent2::NativeAgentConnection>()
 263                && let Some(resume) = resume_thread.clone()
 264            {
 265                cx.update(|_, cx| {
 266                    native_agent
 267                        .0
 268                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 269                })
 270                .log_err()
 271            } else {
 272                cx.update(|_, cx| {
 273                    connection
 274                        .clone()
 275                        .new_thread(project.clone(), &root_dir, cx)
 276                })
 277                .log_err()
 278            };
 279
 280            let Some(result) = result else {
 281                return;
 282            };
 283
 284            let result = match result.await {
 285                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 286                    Ok(err) => {
 287                        cx.update(|window, cx| {
 288                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 289                        })
 290                        .log_err();
 291                        return;
 292                    }
 293                    Err(err) => Err(err),
 294                },
 295                Ok(thread) => Ok(thread),
 296            };
 297
 298            this.update_in(cx, |this, window, cx| {
 299                match result {
 300                    Ok(thread) => {
 301                        let thread_subscription =
 302                            cx.subscribe_in(&thread, window, Self::handle_thread_event);
 303
 304                        let action_log = thread.read(cx).action_log().clone();
 305                        let action_log_subscription =
 306                            cx.observe(&action_log, |_, _, cx| cx.notify());
 307
 308                        let count = thread.read(cx).entries().len();
 309                        this.list_state.splice(0..0, count);
 310                        this.entry_view_state.update(cx, |view_state, cx| {
 311                            for ix in 0..count {
 312                                view_state.sync_entry(ix, &thread, window, cx);
 313                            }
 314                        });
 315
 316                        if let Some(resume) = resume_thread {
 317                            this.history_store.update(cx, |history, cx| {
 318                                history.push_recently_opened_entry(
 319                                    HistoryEntryId::AcpThread(resume.id),
 320                                    cx,
 321                                );
 322                            });
 323                        }
 324
 325                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 326
 327                        this.model_selector =
 328                            thread
 329                                .read(cx)
 330                                .connection()
 331                                .model_selector()
 332                                .map(|selector| {
 333                                    cx.new(|cx| {
 334                                        AcpModelSelectorPopover::new(
 335                                            thread.read(cx).session_id().clone(),
 336                                            selector,
 337                                            PopoverMenuHandle::default(),
 338                                            this.focus_handle(cx),
 339                                            window,
 340                                            cx,
 341                                        )
 342                                    })
 343                                });
 344
 345                        this.thread_state = ThreadState::Ready {
 346                            thread,
 347                            _subscription: [thread_subscription, action_log_subscription],
 348                        };
 349
 350                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 351                            cx.new(|cx| {
 352                                ProfileSelector::new(
 353                                    <dyn Fs>::global(cx),
 354                                    Arc::new(thread.clone()),
 355                                    this.focus_handle(cx),
 356                                    cx,
 357                                )
 358                            })
 359                        });
 360
 361                        cx.notify();
 362                    }
 363                    Err(err) => {
 364                        this.handle_load_error(err, cx);
 365                    }
 366                };
 367            })
 368            .log_err();
 369        });
 370
 371        ThreadState::Loading { _task: load_task }
 372    }
 373
 374    fn handle_auth_required(
 375        this: WeakEntity<Self>,
 376        err: AuthRequired,
 377        agent: Rc<dyn AgentServer>,
 378        connection: Rc<dyn AgentConnection>,
 379        window: &mut Window,
 380        cx: &mut App,
 381    ) {
 382        let agent_name = agent.name();
 383        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 384            let registry = LanguageModelRegistry::global(cx);
 385
 386            let sub = window.subscribe(&registry, cx, {
 387                let provider_id = provider_id.clone();
 388                let this = this.clone();
 389                move |_, ev, window, cx| {
 390                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 391                        && &provider_id == updated_provider_id
 392                    {
 393                        this.update(cx, |this, cx| {
 394                            this.thread_state = Self::initial_state(
 395                                agent.clone(),
 396                                None,
 397                                this.workspace.clone(),
 398                                this.project.clone(),
 399                                window,
 400                                cx,
 401                            );
 402                            cx.notify();
 403                        })
 404                        .ok();
 405                    }
 406                }
 407            });
 408
 409            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 410                provider.configuration_view(
 411                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
 412                    window,
 413                    cx,
 414                )
 415            });
 416
 417            (view, Some(sub))
 418        } else {
 419            (None, None)
 420        };
 421
 422        this.update(cx, |this, cx| {
 423            this.thread_state = ThreadState::Unauthenticated {
 424                connection,
 425                configuration_view,
 426                description: err
 427                    .description
 428                    .clone()
 429                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 430                _subscription: subscription,
 431            };
 432            cx.notify();
 433        })
 434        .ok();
 435    }
 436
 437    fn handle_load_error(&mut self, err: anyhow::Error, cx: &mut Context<Self>) {
 438        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 439            self.thread_state = ThreadState::LoadError(load_err.clone());
 440        } else {
 441            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 442        }
 443        cx.notify();
 444    }
 445
 446    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 447        match &self.thread_state {
 448            ThreadState::Ready { thread, .. } => Some(thread),
 449            ThreadState::Unauthenticated { .. }
 450            | ThreadState::Loading { .. }
 451            | ThreadState::LoadError { .. } => None,
 452        }
 453    }
 454
 455    pub fn title(&self, cx: &App) -> SharedString {
 456        match &self.thread_state {
 457            ThreadState::Ready { thread, .. } => thread.read(cx).title(),
 458            ThreadState::Loading { .. } => "Loading…".into(),
 459            ThreadState::LoadError(_) => "Failed to load".into(),
 460            ThreadState::Unauthenticated { .. } => "Authentication Required".into(),
 461        }
 462    }
 463
 464    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 465        self.thread_error.take();
 466        self.thread_retry_status.take();
 467
 468        if let Some(thread) = self.thread() {
 469            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 470        }
 471    }
 472
 473    pub fn expand_message_editor(
 474        &mut self,
 475        _: &ExpandMessageEditor,
 476        _window: &mut Window,
 477        cx: &mut Context<Self>,
 478    ) {
 479        self.set_editor_is_expanded(!self.editor_expanded, cx);
 480        cx.notify();
 481    }
 482
 483    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 484        self.editor_expanded = is_expanded;
 485        self.message_editor.update(cx, |editor, cx| {
 486            if is_expanded {
 487                editor.set_mode(
 488                    EditorMode::Full {
 489                        scale_ui_elements_with_buffer_font_size: false,
 490                        show_active_line_background: false,
 491                        sized_by_content: false,
 492                    },
 493                    cx,
 494                )
 495            } else {
 496                editor.set_mode(
 497                    EditorMode::AutoHeight {
 498                        min_lines: MIN_EDITOR_LINES,
 499                        max_lines: Some(MAX_EDITOR_LINES),
 500                    },
 501                    cx,
 502                )
 503            }
 504        });
 505        cx.notify();
 506    }
 507
 508    pub fn handle_message_editor_event(
 509        &mut self,
 510        _: &Entity<MessageEditor>,
 511        event: &MessageEditorEvent,
 512        window: &mut Window,
 513        cx: &mut Context<Self>,
 514    ) {
 515        match event {
 516            MessageEditorEvent::Send => self.send(window, cx),
 517            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 518            MessageEditorEvent::Focus => {
 519                self.cancel_editing(&Default::default(), window, cx);
 520            }
 521        }
 522    }
 523
 524    pub fn handle_entry_view_event(
 525        &mut self,
 526        _: &Entity<EntryViewState>,
 527        event: &EntryViewEvent,
 528        window: &mut Window,
 529        cx: &mut Context<Self>,
 530    ) {
 531        match &event.view_event {
 532            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 533                self.editing_message = Some(event.entry_index);
 534                cx.notify();
 535            }
 536            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 537                self.regenerate(event.entry_index, editor, window, cx);
 538            }
 539            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 540                self.cancel_editing(&Default::default(), window, cx);
 541            }
 542        }
 543    }
 544
 545    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 546        self.thread_error.take();
 547        let Some(thread) = self.thread() else {
 548            return;
 549        };
 550
 551        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 552        cx.spawn(async move |this, cx| {
 553            let result = task.await;
 554
 555            this.update(cx, |this, cx| {
 556                if let Err(err) = result {
 557                    this.handle_thread_error(err, cx);
 558                }
 559            })
 560        })
 561        .detach();
 562    }
 563
 564    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 565        let Some(thread) = self.thread() else { return };
 566        self.history_store.update(cx, |history, cx| {
 567            history.push_recently_opened_entry(
 568                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 569                cx,
 570            );
 571        });
 572
 573        if thread.read(cx).status() != ThreadStatus::Idle {
 574            self.stop_current_and_send_new_message(window, cx);
 575            return;
 576        }
 577
 578        let contents = self
 579            .message_editor
 580            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 581        self.send_impl(contents, window, cx)
 582    }
 583
 584    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 585        let Some(thread) = self.thread().cloned() else {
 586            return;
 587        };
 588
 589        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
 590
 591        let contents = self
 592            .message_editor
 593            .update(cx, |message_editor, cx| message_editor.contents(window, cx));
 594
 595        cx.spawn_in(window, async move |this, cx| {
 596            cancelled.await;
 597
 598            this.update_in(cx, |this, window, cx| {
 599                this.send_impl(contents, window, cx);
 600            })
 601            .ok();
 602        })
 603        .detach();
 604    }
 605
 606    fn send_impl(
 607        &mut self,
 608        contents: Task<anyhow::Result<Vec<acp::ContentBlock>>>,
 609        window: &mut Window,
 610        cx: &mut Context<Self>,
 611    ) {
 612        self.thread_error.take();
 613        self.editing_message.take();
 614
 615        let Some(thread) = self.thread().cloned() else {
 616            return;
 617        };
 618        let task = cx.spawn_in(window, async move |this, cx| {
 619            let contents = contents.await?;
 620
 621            if contents.is_empty() {
 622                return Ok(());
 623            }
 624
 625            this.update_in(cx, |this, window, cx| {
 626                this.set_editor_is_expanded(false, cx);
 627                this.scroll_to_bottom(cx);
 628                this.message_editor.update(cx, |message_editor, cx| {
 629                    message_editor.clear(window, cx);
 630                });
 631            })?;
 632            let send = thread.update(cx, |thread, cx| thread.send(contents, cx))?;
 633            send.await
 634        });
 635
 636        cx.spawn(async move |this, cx| {
 637            if let Err(err) = task.await {
 638                this.update(cx, |this, cx| {
 639                    this.handle_thread_error(err, cx);
 640                })
 641                .ok();
 642            }
 643        })
 644        .detach();
 645    }
 646
 647    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 648        let Some(thread) = self.thread().cloned() else {
 649            return;
 650        };
 651
 652        if let Some(index) = self.editing_message.take()
 653            && let Some(editor) = self
 654                .entry_view_state
 655                .read(cx)
 656                .entry(index)
 657                .and_then(|e| e.message_editor())
 658                .cloned()
 659        {
 660            editor.update(cx, |editor, cx| {
 661                if let Some(user_message) = thread
 662                    .read(cx)
 663                    .entries()
 664                    .get(index)
 665                    .and_then(|e| e.user_message())
 666                {
 667                    editor.set_message(user_message.chunks.clone(), window, cx);
 668                }
 669            })
 670        };
 671        self.focus_handle(cx).focus(window);
 672        cx.notify();
 673    }
 674
 675    fn regenerate(
 676        &mut self,
 677        entry_ix: usize,
 678        message_editor: &Entity<MessageEditor>,
 679        window: &mut Window,
 680        cx: &mut Context<Self>,
 681    ) {
 682        let Some(thread) = self.thread().cloned() else {
 683            return;
 684        };
 685
 686        let Some(rewind) = thread.update(cx, |thread, cx| {
 687            let user_message_id = thread.entries().get(entry_ix)?.user_message()?.id.clone()?;
 688            Some(thread.rewind(user_message_id, cx))
 689        }) else {
 690            return;
 691        };
 692
 693        let contents =
 694            message_editor.update(cx, |message_editor, cx| message_editor.contents(window, cx));
 695
 696        let task = cx.foreground_executor().spawn(async move {
 697            rewind.await?;
 698            contents.await
 699        });
 700        self.send_impl(task, window, cx);
 701    }
 702
 703    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
 704        if let Some(thread) = self.thread() {
 705            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
 706        }
 707    }
 708
 709    fn open_edited_buffer(
 710        &mut self,
 711        buffer: &Entity<Buffer>,
 712        window: &mut Window,
 713        cx: &mut Context<Self>,
 714    ) {
 715        let Some(thread) = self.thread() else {
 716            return;
 717        };
 718
 719        let Some(diff) =
 720            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
 721        else {
 722            return;
 723        };
 724
 725        diff.update(cx, |diff, cx| {
 726            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
 727        })
 728    }
 729
 730    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
 731        let Some(thread) = self.as_native_thread(cx) else {
 732            return;
 733        };
 734        let project_context = thread.read(cx).project_context().read(cx);
 735
 736        let project_entry_ids = project_context
 737            .worktrees
 738            .iter()
 739            .flat_map(|worktree| worktree.rules_file.as_ref())
 740            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
 741            .collect::<Vec<_>>();
 742
 743        self.workspace
 744            .update(cx, move |workspace, cx| {
 745                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
 746                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
 747                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
 748                let project = workspace.project().read(cx);
 749                let project_paths = project_entry_ids
 750                    .into_iter()
 751                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
 752                    .collect::<Vec<_>>();
 753                for project_path in project_paths {
 754                    workspace
 755                        .open_path(project_path, None, true, window, cx)
 756                        .detach_and_log_err(cx);
 757                }
 758            })
 759            .ok();
 760    }
 761
 762    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
 763        self.thread_error = Some(ThreadError::from_err(error));
 764        cx.notify();
 765    }
 766
 767    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
 768        self.thread_error = None;
 769        cx.notify();
 770    }
 771
 772    fn handle_thread_event(
 773        &mut self,
 774        thread: &Entity<AcpThread>,
 775        event: &AcpThreadEvent,
 776        window: &mut Window,
 777        cx: &mut Context<Self>,
 778    ) {
 779        match event {
 780            AcpThreadEvent::NewEntry => {
 781                let len = thread.read(cx).entries().len();
 782                let index = len - 1;
 783                self.entry_view_state.update(cx, |view_state, cx| {
 784                    view_state.sync_entry(index, thread, window, cx)
 785                });
 786                self.list_state.splice(index..index, 1);
 787            }
 788            AcpThreadEvent::EntryUpdated(index) => {
 789                self.entry_view_state.update(cx, |view_state, cx| {
 790                    view_state.sync_entry(*index, thread, window, cx)
 791                });
 792                self.list_state.splice(*index..index + 1, 1);
 793            }
 794            AcpThreadEvent::EntriesRemoved(range) => {
 795                self.entry_view_state
 796                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
 797                self.list_state.splice(range.clone(), 0);
 798            }
 799            AcpThreadEvent::ToolAuthorizationRequired => {
 800                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
 801            }
 802            AcpThreadEvent::Retry(retry) => {
 803                self.thread_retry_status = Some(retry.clone());
 804            }
 805            AcpThreadEvent::Stopped => {
 806                self.thread_retry_status.take();
 807                let used_tools = thread.read(cx).used_tools_since_last_user_message();
 808                self.notify_with_sound(
 809                    if used_tools {
 810                        "Finished running tools"
 811                    } else {
 812                        "New message"
 813                    },
 814                    IconName::ZedAssistant,
 815                    window,
 816                    cx,
 817                );
 818            }
 819            AcpThreadEvent::Error => {
 820                self.thread_retry_status.take();
 821                self.notify_with_sound(
 822                    "Agent stopped due to an error",
 823                    IconName::Warning,
 824                    window,
 825                    cx,
 826                );
 827            }
 828            AcpThreadEvent::LoadError(error) => {
 829                self.thread_retry_status.take();
 830                self.thread_state = ThreadState::LoadError(error.clone());
 831            }
 832            AcpThreadEvent::TitleUpdated | AcpThreadEvent::TokenUsageUpdated => {}
 833        }
 834        cx.notify();
 835    }
 836
 837    fn authenticate(
 838        &mut self,
 839        method: acp::AuthMethodId,
 840        window: &mut Window,
 841        cx: &mut Context<Self>,
 842    ) {
 843        let ThreadState::Unauthenticated { ref connection, .. } = self.thread_state else {
 844            return;
 845        };
 846
 847        self.thread_error.take();
 848        let authenticate = connection.authenticate(method, cx);
 849        self.auth_task = Some(cx.spawn_in(window, {
 850            let project = self.project.clone();
 851            let agent = self.agent.clone();
 852            async move |this, cx| {
 853                let result = authenticate.await;
 854
 855                this.update_in(cx, |this, window, cx| {
 856                    if let Err(err) = result {
 857                        this.handle_thread_error(err, cx);
 858                    } else {
 859                        this.thread_state = Self::initial_state(
 860                            agent,
 861                            None,
 862                            this.workspace.clone(),
 863                            project.clone(),
 864                            window,
 865                            cx,
 866                        )
 867                    }
 868                    this.auth_task.take()
 869                })
 870                .ok();
 871            }
 872        }));
 873    }
 874
 875    fn authorize_tool_call(
 876        &mut self,
 877        tool_call_id: acp::ToolCallId,
 878        option_id: acp::PermissionOptionId,
 879        option_kind: acp::PermissionOptionKind,
 880        cx: &mut Context<Self>,
 881    ) {
 882        let Some(thread) = self.thread() else {
 883            return;
 884        };
 885        thread.update(cx, |thread, cx| {
 886            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
 887        });
 888        cx.notify();
 889    }
 890
 891    fn rewind(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
 892        let Some(thread) = self.thread() else {
 893            return;
 894        };
 895        thread
 896            .update(cx, |thread, cx| thread.rewind(message_id.clone(), cx))
 897            .detach_and_log_err(cx);
 898        cx.notify();
 899    }
 900
 901    fn render_entry(
 902        &self,
 903        entry_ix: usize,
 904        total_entries: usize,
 905        entry: &AgentThreadEntry,
 906        window: &mut Window,
 907        cx: &Context<Self>,
 908    ) -> AnyElement {
 909        let primary = match &entry {
 910            AgentThreadEntry::UserMessage(message) => {
 911                let Some(editor) = self
 912                    .entry_view_state
 913                    .read(cx)
 914                    .entry(entry_ix)
 915                    .and_then(|entry| entry.message_editor())
 916                    .cloned()
 917                else {
 918                    return Empty.into_any_element();
 919                };
 920
 921                let editing = self.editing_message == Some(entry_ix);
 922                let editor_focus = editor.focus_handle(cx).is_focused(window);
 923                let focus_border = cx.theme().colors().border_focused;
 924
 925                let rules_item = if entry_ix == 0 {
 926                    self.render_rules_item(cx)
 927                } else {
 928                    None
 929                };
 930
 931                v_flex()
 932                    .id(("user_message", entry_ix))
 933                    .pt_2()
 934                    .pb_4()
 935                    .px_2()
 936                    .gap_1p5()
 937                    .w_full()
 938                    .children(rules_item)
 939                    .children(message.id.clone().and_then(|message_id| {
 940                        message.checkpoint.as_ref()?.show.then(|| {
 941                            h_flex()
 942                                .gap_2()
 943                                .child(Divider::horizontal())
 944                                .child(
 945                                    Button::new("restore-checkpoint", "Restore Checkpoint")
 946                                        .icon(IconName::Undo)
 947                                        .icon_size(IconSize::XSmall)
 948                                        .icon_position(IconPosition::Start)
 949                                        .label_size(LabelSize::XSmall)
 950                                        .icon_color(Color::Muted)
 951                                        .color(Color::Muted)
 952                                        .on_click(cx.listener(move |this, _, _window, cx| {
 953                                            this.rewind(&message_id, cx);
 954                                        }))
 955                                )
 956                                .child(Divider::horizontal())
 957                        })
 958                    }))
 959                    .child(
 960                        div()
 961                            .relative()
 962                            .child(
 963                                div()
 964                                    .py_3()
 965                                    .px_2()
 966                                    .rounded_lg()
 967                                    .shadow_md()
 968                                    .bg(cx.theme().colors().editor_background)
 969                                    .border_1()
 970                                    .when(editing && !editor_focus, |this| this.border_dashed())
 971                                    .border_color(cx.theme().colors().border)
 972                                    .map(|this|{
 973                                        if editor_focus {
 974                                            this.border_color(focus_border)
 975                                        } else {
 976                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
 977                                        }
 978                                    })
 979                                    .text_xs()
 980                                    .child(editor.clone().into_any_element()),
 981                            )
 982                            .when(editor_focus, |this|
 983                                this.child(
 984                                    h_flex()
 985                                        .absolute()
 986                                        .top_neg_3p5()
 987                                        .right_3()
 988                                        .gap_1()
 989                                        .rounded_sm()
 990                                        .border_1()
 991                                        .border_color(cx.theme().colors().border)
 992                                        .bg(cx.theme().colors().editor_background)
 993                                        .overflow_hidden()
 994                                        .child(
 995                                            IconButton::new("cancel", IconName::Close)
 996                                                .icon_color(Color::Error)
 997                                                .icon_size(IconSize::XSmall)
 998                                                .on_click(cx.listener(Self::cancel_editing))
 999                                        )
1000                                        .child(
1001                                            IconButton::new("regenerate", IconName::Return)
1002                                                .icon_color(Color::Muted)
1003                                                .icon_size(IconSize::XSmall)
1004                                                .tooltip(Tooltip::text(
1005                                                    "Editing will restart the thread from this point."
1006                                                ))
1007                                                .on_click(cx.listener({
1008                                                    let editor = editor.clone();
1009                                                    move |this, _, window, cx| {
1010                                                        this.regenerate(
1011                                                            entry_ix, &editor, window, cx,
1012                                                        );
1013                                                    }
1014                                                })),
1015                                        )
1016                                )
1017                            ),
1018                    )
1019                    .into_any()
1020            }
1021            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1022                let style = default_markdown_style(false, window, cx);
1023                let message_body = v_flex()
1024                    .w_full()
1025                    .gap_2p5()
1026                    .children(chunks.iter().enumerate().filter_map(
1027                        |(chunk_ix, chunk)| match chunk {
1028                            AssistantMessageChunk::Message { block } => {
1029                                block.markdown().map(|md| {
1030                                    self.render_markdown(md.clone(), style.clone())
1031                                        .into_any_element()
1032                                })
1033                            }
1034                            AssistantMessageChunk::Thought { block } => {
1035                                block.markdown().map(|md| {
1036                                    self.render_thinking_block(
1037                                        entry_ix,
1038                                        chunk_ix,
1039                                        md.clone(),
1040                                        window,
1041                                        cx,
1042                                    )
1043                                    .into_any_element()
1044                                })
1045                            }
1046                        },
1047                    ))
1048                    .into_any();
1049
1050                v_flex()
1051                    .px_5()
1052                    .py_1()
1053                    .when(entry_ix + 1 == total_entries, |this| this.pb_4())
1054                    .w_full()
1055                    .text_ui(cx)
1056                    .child(message_body)
1057                    .into_any()
1058            }
1059            AgentThreadEntry::ToolCall(tool_call) => {
1060                let has_terminals = tool_call.terminals().next().is_some();
1061
1062                div().w_full().py_1p5().px_5().map(|this| {
1063                    if has_terminals {
1064                        this.children(tool_call.terminals().map(|terminal| {
1065                            self.render_terminal_tool_call(
1066                                entry_ix, terminal, tool_call, window, cx,
1067                            )
1068                        }))
1069                    } else {
1070                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1071                    }
1072                })
1073            }
1074            .into_any(),
1075        };
1076
1077        let Some(thread) = self.thread() else {
1078            return primary;
1079        };
1080
1081        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
1082        let primary = if entry_ix == total_entries - 1 && !is_generating {
1083            v_flex()
1084                .w_full()
1085                .child(primary)
1086                .child(self.render_thread_controls(cx))
1087                .into_any_element()
1088        } else {
1089            primary
1090        };
1091
1092        if let Some(editing_index) = self.editing_message.as_ref()
1093            && *editing_index < entry_ix
1094        {
1095            let backdrop = div()
1096                .id(("backdrop", entry_ix))
1097                .size_full()
1098                .absolute()
1099                .inset_0()
1100                .bg(cx.theme().colors().panel_background)
1101                .opacity(0.8)
1102                .block_mouse_except_scroll()
1103                .on_click(cx.listener(Self::cancel_editing));
1104
1105            div()
1106                .relative()
1107                .child(primary)
1108                .child(backdrop)
1109                .into_any_element()
1110        } else {
1111            primary
1112        }
1113    }
1114
1115    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1116        cx.theme()
1117            .colors()
1118            .element_background
1119            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1120    }
1121
1122    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1123        cx.theme().colors().border.opacity(0.8)
1124    }
1125
1126    fn tool_name_font_size(&self) -> Rems {
1127        rems_from_px(13.)
1128    }
1129
1130    fn render_thinking_block(
1131        &self,
1132        entry_ix: usize,
1133        chunk_ix: usize,
1134        chunk: Entity<Markdown>,
1135        window: &Window,
1136        cx: &Context<Self>,
1137    ) -> AnyElement {
1138        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1139        let card_header_id = SharedString::from("inner-card-header");
1140        let key = (entry_ix, chunk_ix);
1141        let is_open = self.expanded_thinking_blocks.contains(&key);
1142
1143        v_flex()
1144            .child(
1145                h_flex()
1146                    .id(header_id)
1147                    .group(&card_header_id)
1148                    .relative()
1149                    .w_full()
1150                    .gap_1p5()
1151                    .opacity(0.8)
1152                    .hover(|style| style.opacity(1.))
1153                    .child(
1154                        h_flex()
1155                            .size_4()
1156                            .justify_center()
1157                            .child(
1158                                div()
1159                                    .group_hover(&card_header_id, |s| s.invisible().w_0())
1160                                    .child(
1161                                        Icon::new(IconName::ToolThink)
1162                                            .size(IconSize::Small)
1163                                            .color(Color::Muted),
1164                                    ),
1165                            )
1166                            .child(
1167                                h_flex()
1168                                    .absolute()
1169                                    .inset_0()
1170                                    .invisible()
1171                                    .justify_center()
1172                                    .group_hover(&card_header_id, |s| s.visible())
1173                                    .child(
1174                                        Disclosure::new(("expand", entry_ix), is_open)
1175                                            .opened_icon(IconName::ChevronUp)
1176                                            .closed_icon(IconName::ChevronRight)
1177                                            .on_click(cx.listener({
1178                                                move |this, _event, _window, cx| {
1179                                                    if is_open {
1180                                                        this.expanded_thinking_blocks.remove(&key);
1181                                                    } else {
1182                                                        this.expanded_thinking_blocks.insert(key);
1183                                                    }
1184                                                    cx.notify();
1185                                                }
1186                                            })),
1187                                    ),
1188                            ),
1189                    )
1190                    .child(
1191                        div()
1192                            .text_size(self.tool_name_font_size())
1193                            .child("Thinking"),
1194                    )
1195                    .on_click(cx.listener({
1196                        move |this, _event, _window, cx| {
1197                            if is_open {
1198                                this.expanded_thinking_blocks.remove(&key);
1199                            } else {
1200                                this.expanded_thinking_blocks.insert(key);
1201                            }
1202                            cx.notify();
1203                        }
1204                    })),
1205            )
1206            .when(is_open, |this| {
1207                this.child(
1208                    div()
1209                        .relative()
1210                        .mt_1p5()
1211                        .ml(px(7.))
1212                        .pl_4()
1213                        .border_l_1()
1214                        .border_color(self.tool_card_border_color(cx))
1215                        .text_ui_sm(cx)
1216                        .child(
1217                            self.render_markdown(chunk, default_markdown_style(false, window, cx)),
1218                        ),
1219                )
1220            })
1221            .into_any_element()
1222    }
1223
1224    fn render_tool_call_icon(
1225        &self,
1226        group_name: SharedString,
1227        entry_ix: usize,
1228        is_collapsible: bool,
1229        is_open: bool,
1230        tool_call: &ToolCall,
1231        cx: &Context<Self>,
1232    ) -> Div {
1233        let tool_icon = Icon::new(match tool_call.kind {
1234            acp::ToolKind::Read => IconName::ToolRead,
1235            acp::ToolKind::Edit => IconName::ToolPencil,
1236            acp::ToolKind::Delete => IconName::ToolDeleteFile,
1237            acp::ToolKind::Move => IconName::ArrowRightLeft,
1238            acp::ToolKind::Search => IconName::ToolSearch,
1239            acp::ToolKind::Execute => IconName::ToolTerminal,
1240            acp::ToolKind::Think => IconName::ToolThink,
1241            acp::ToolKind::Fetch => IconName::ToolWeb,
1242            acp::ToolKind::Other => IconName::ToolHammer,
1243        })
1244        .size(IconSize::Small)
1245        .color(Color::Muted);
1246
1247        let base_container = h_flex().size_4().justify_center();
1248
1249        if is_collapsible {
1250            base_container
1251                .child(
1252                    div()
1253                        .group_hover(&group_name, |s| s.invisible().w_0())
1254                        .child(tool_icon),
1255                )
1256                .child(
1257                    h_flex()
1258                        .absolute()
1259                        .inset_0()
1260                        .invisible()
1261                        .justify_center()
1262                        .group_hover(&group_name, |s| s.visible())
1263                        .child(
1264                            Disclosure::new(("expand", entry_ix), is_open)
1265                                .opened_icon(IconName::ChevronUp)
1266                                .closed_icon(IconName::ChevronRight)
1267                                .on_click(cx.listener({
1268                                    let id = tool_call.id.clone();
1269                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1270                                        if is_open {
1271                                            this.expanded_tool_calls.remove(&id);
1272                                        } else {
1273                                            this.expanded_tool_calls.insert(id.clone());
1274                                        }
1275                                        cx.notify();
1276                                    }
1277                                })),
1278                        ),
1279                )
1280        } else {
1281            base_container.child(tool_icon)
1282        }
1283    }
1284
1285    fn render_tool_call(
1286        &self,
1287        entry_ix: usize,
1288        tool_call: &ToolCall,
1289        window: &Window,
1290        cx: &Context<Self>,
1291    ) -> Div {
1292        let header_id = SharedString::from(format!("outer-tool-call-header-{}", entry_ix));
1293        let card_header_id = SharedString::from("inner-tool-call-header");
1294
1295        let status_icon = match &tool_call.status {
1296            ToolCallStatus::Pending
1297            | ToolCallStatus::WaitingForConfirmation { .. }
1298            | ToolCallStatus::Completed => None,
1299            ToolCallStatus::InProgress => Some(
1300                Icon::new(IconName::ArrowCircle)
1301                    .color(Color::Accent)
1302                    .size(IconSize::Small)
1303                    .with_animation(
1304                        "running",
1305                        Animation::new(Duration::from_secs(2)).repeat(),
1306                        |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
1307                    )
1308                    .into_any(),
1309            ),
1310            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => Some(
1311                Icon::new(IconName::Close)
1312                    .color(Color::Error)
1313                    .size(IconSize::Small)
1314                    .into_any_element(),
1315            ),
1316        };
1317
1318        let needs_confirmation = matches!(
1319            tool_call.status,
1320            ToolCallStatus::WaitingForConfirmation { .. }
1321        );
1322        let is_edit =
1323            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
1324        let use_card_layout = needs_confirmation || is_edit;
1325
1326        let is_collapsible = !tool_call.content.is_empty() && !use_card_layout;
1327
1328        let is_open =
1329            needs_confirmation || is_edit || self.expanded_tool_calls.contains(&tool_call.id);
1330
1331        let gradient_overlay = |color: Hsla| {
1332            div()
1333                .absolute()
1334                .top_0()
1335                .right_0()
1336                .w_12()
1337                .h_full()
1338                .bg(linear_gradient(
1339                    90.,
1340                    linear_color_stop(color, 1.),
1341                    linear_color_stop(color.opacity(0.2), 0.),
1342                ))
1343        };
1344        let gradient_color = if use_card_layout {
1345            self.tool_card_header_bg(cx)
1346        } else {
1347            cx.theme().colors().panel_background
1348        };
1349
1350        let tool_output_display = if is_open {
1351            match &tool_call.status {
1352                ToolCallStatus::WaitingForConfirmation { options, .. } => {
1353                    v_flex()
1354                        .w_full()
1355                        .children(tool_call.content.iter().map(|content| {
1356                            div()
1357                                .child(self.render_tool_call_content(
1358                                    entry_ix, content, tool_call, window, cx,
1359                                ))
1360                                .into_any_element()
1361                        }))
1362                        .child(self.render_permission_buttons(
1363                            options,
1364                            entry_ix,
1365                            tool_call.id.clone(),
1366                            tool_call.content.is_empty(),
1367                            cx,
1368                        ))
1369                        .into_any()
1370                }
1371                ToolCallStatus::Pending | ToolCallStatus::InProgress
1372                    if is_edit && tool_call.content.is_empty() =>
1373                {
1374                    self.render_diff_loading(cx).into_any()
1375                }
1376                ToolCallStatus::Pending
1377                | ToolCallStatus::InProgress
1378                | ToolCallStatus::Completed
1379                | ToolCallStatus::Failed
1380                | ToolCallStatus::Canceled => v_flex()
1381                    .w_full()
1382                    .children(tool_call.content.iter().map(|content| {
1383                        div().child(
1384                            self.render_tool_call_content(entry_ix, content, tool_call, window, cx),
1385                        )
1386                    }))
1387                    .into_any(),
1388                ToolCallStatus::Rejected => Empty.into_any(),
1389            }
1390            .into()
1391        } else {
1392            None
1393        };
1394
1395        v_flex()
1396            .when(use_card_layout, |this| {
1397                this.rounded_lg()
1398                    .border_1()
1399                    .border_color(self.tool_card_border_color(cx))
1400                    .bg(cx.theme().colors().editor_background)
1401                    .overflow_hidden()
1402            })
1403            .child(
1404                h_flex()
1405                    .id(header_id)
1406                    .w_full()
1407                    .gap_1()
1408                    .justify_between()
1409                    .map(|this| {
1410                        if use_card_layout {
1411                            this.pl_2()
1412                                .pr_1p5()
1413                                .py_1()
1414                                .rounded_t_md()
1415                                .when(is_open, |this| {
1416                                    this.border_b_1()
1417                                        .border_color(self.tool_card_border_color(cx))
1418                                })
1419                                .bg(self.tool_card_header_bg(cx))
1420                        } else {
1421                            this.opacity(0.8).hover(|style| style.opacity(1.))
1422                        }
1423                    })
1424                    .child(
1425                        h_flex()
1426                            .group(&card_header_id)
1427                            .relative()
1428                            .w_full()
1429                            .min_h_6()
1430                            .text_size(self.tool_name_font_size())
1431                            .child(self.render_tool_call_icon(
1432                                card_header_id,
1433                                entry_ix,
1434                                is_collapsible,
1435                                is_open,
1436                                tool_call,
1437                                cx,
1438                            ))
1439                            .child(if tool_call.locations.len() == 1 {
1440                                let name = tool_call.locations[0]
1441                                    .path
1442                                    .file_name()
1443                                    .unwrap_or_default()
1444                                    .display()
1445                                    .to_string();
1446
1447                                h_flex()
1448                                    .id(("open-tool-call-location", entry_ix))
1449                                    .w_full()
1450                                    .max_w_full()
1451                                    .px_1p5()
1452                                    .rounded_sm()
1453                                    .overflow_x_scroll()
1454                                    .opacity(0.8)
1455                                    .hover(|label| {
1456                                        label.opacity(1.).bg(cx
1457                                            .theme()
1458                                            .colors()
1459                                            .element_hover
1460                                            .opacity(0.5))
1461                                    })
1462                                    .child(name)
1463                                    .tooltip(Tooltip::text("Jump to File"))
1464                                    .on_click(cx.listener(move |this, _, window, cx| {
1465                                        this.open_tool_call_location(entry_ix, 0, window, cx);
1466                                    }))
1467                                    .into_any_element()
1468                            } else {
1469                                h_flex()
1470                                    .id("non-card-label-container")
1471                                    .w_full()
1472                                    .relative()
1473                                    .ml_1p5()
1474                                    .overflow_hidden()
1475                                    .child(
1476                                        h_flex()
1477                                            .id("non-card-label")
1478                                            .pr_8()
1479                                            .w_full()
1480                                            .overflow_x_scroll()
1481                                            .child(self.render_markdown(
1482                                                tool_call.label.clone(),
1483                                                default_markdown_style(false, window, cx),
1484                                            )),
1485                                    )
1486                                    .child(gradient_overlay(gradient_color))
1487                                    .on_click(cx.listener({
1488                                        let id = tool_call.id.clone();
1489                                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1490                                            if is_open {
1491                                                this.expanded_tool_calls.remove(&id);
1492                                            } else {
1493                                                this.expanded_tool_calls.insert(id.clone());
1494                                            }
1495                                            cx.notify();
1496                                        }
1497                                    }))
1498                                    .into_any()
1499                            }),
1500                    )
1501                    .children(status_icon),
1502            )
1503            .children(tool_output_display)
1504    }
1505
1506    fn render_tool_call_content(
1507        &self,
1508        entry_ix: usize,
1509        content: &ToolCallContent,
1510        tool_call: &ToolCall,
1511        window: &Window,
1512        cx: &Context<Self>,
1513    ) -> AnyElement {
1514        match content {
1515            ToolCallContent::ContentBlock(content) => {
1516                if let Some(resource_link) = content.resource_link() {
1517                    self.render_resource_link(resource_link, cx)
1518                } else if let Some(markdown) = content.markdown() {
1519                    self.render_markdown_output(markdown.clone(), tool_call.id.clone(), window, cx)
1520                } else {
1521                    Empty.into_any_element()
1522                }
1523            }
1524            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
1525            ToolCallContent::Terminal(terminal) => {
1526                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
1527            }
1528        }
1529    }
1530
1531    fn render_markdown_output(
1532        &self,
1533        markdown: Entity<Markdown>,
1534        tool_call_id: acp::ToolCallId,
1535        window: &Window,
1536        cx: &Context<Self>,
1537    ) -> AnyElement {
1538        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id.clone()));
1539
1540        v_flex()
1541            .mt_1p5()
1542            .ml(px(7.))
1543            .px_3p5()
1544            .gap_2()
1545            .border_l_1()
1546            .border_color(self.tool_card_border_color(cx))
1547            .text_sm()
1548            .text_color(cx.theme().colors().text_muted)
1549            .child(self.render_markdown(markdown, default_markdown_style(false, window, cx)))
1550            .child(
1551                Button::new(button_id, "Collapse Output")
1552                    .full_width()
1553                    .style(ButtonStyle::Outlined)
1554                    .label_size(LabelSize::Small)
1555                    .icon(IconName::ChevronUp)
1556                    .icon_color(Color::Muted)
1557                    .icon_position(IconPosition::Start)
1558                    .on_click(cx.listener({
1559                        let id = tool_call_id.clone();
1560                        move |this: &mut Self, _, _, cx: &mut Context<Self>| {
1561                            this.expanded_tool_calls.remove(&id);
1562                            cx.notify();
1563                        }
1564                    })),
1565            )
1566            .into_any_element()
1567    }
1568
1569    fn render_resource_link(
1570        &self,
1571        resource_link: &acp::ResourceLink,
1572        cx: &Context<Self>,
1573    ) -> AnyElement {
1574        let uri: SharedString = resource_link.uri.clone().into();
1575
1576        let label: SharedString = if let Some(path) = resource_link.uri.strip_prefix("file://") {
1577            path.to_string().into()
1578        } else {
1579            uri.clone()
1580        };
1581
1582        let button_id = SharedString::from(format!("item-{}", uri.clone()));
1583
1584        div()
1585            .ml(px(7.))
1586            .pl_2p5()
1587            .border_l_1()
1588            .border_color(self.tool_card_border_color(cx))
1589            .overflow_hidden()
1590            .child(
1591                Button::new(button_id, label)
1592                    .label_size(LabelSize::Small)
1593                    .color(Color::Muted)
1594                    .icon(IconName::ArrowUpRight)
1595                    .icon_size(IconSize::XSmall)
1596                    .icon_color(Color::Muted)
1597                    .truncate(true)
1598                    .on_click(cx.listener({
1599                        let workspace = self.workspace.clone();
1600                        move |_, _, window, cx: &mut Context<Self>| {
1601                            Self::open_link(uri.clone(), &workspace, window, cx);
1602                        }
1603                    })),
1604            )
1605            .into_any_element()
1606    }
1607
1608    fn render_permission_buttons(
1609        &self,
1610        options: &[acp::PermissionOption],
1611        entry_ix: usize,
1612        tool_call_id: acp::ToolCallId,
1613        empty_content: bool,
1614        cx: &Context<Self>,
1615    ) -> Div {
1616        h_flex()
1617            .py_1()
1618            .pl_2()
1619            .pr_1()
1620            .gap_1()
1621            .justify_between()
1622            .flex_wrap()
1623            .when(!empty_content, |this| {
1624                this.border_t_1()
1625                    .border_color(self.tool_card_border_color(cx))
1626            })
1627            .child(
1628                div()
1629                    .min_w(rems_from_px(145.))
1630                    .child(LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small)),
1631            )
1632            .child(h_flex().gap_0p5().children(options.iter().map(|option| {
1633                let option_id = SharedString::from(option.id.0.clone());
1634                Button::new((option_id, entry_ix), option.name.clone())
1635                    .map(|this| match option.kind {
1636                        acp::PermissionOptionKind::AllowOnce => {
1637                            this.icon(IconName::Check).icon_color(Color::Success)
1638                        }
1639                        acp::PermissionOptionKind::AllowAlways => {
1640                            this.icon(IconName::CheckDouble).icon_color(Color::Success)
1641                        }
1642                        acp::PermissionOptionKind::RejectOnce => {
1643                            this.icon(IconName::Close).icon_color(Color::Error)
1644                        }
1645                        acp::PermissionOptionKind::RejectAlways => {
1646                            this.icon(IconName::Close).icon_color(Color::Error)
1647                        }
1648                    })
1649                    .icon_position(IconPosition::Start)
1650                    .icon_size(IconSize::XSmall)
1651                    .label_size(LabelSize::Small)
1652                    .on_click(cx.listener({
1653                        let tool_call_id = tool_call_id.clone();
1654                        let option_id = option.id.clone();
1655                        let option_kind = option.kind;
1656                        move |this, _, _, cx| {
1657                            this.authorize_tool_call(
1658                                tool_call_id.clone(),
1659                                option_id.clone(),
1660                                option_kind,
1661                                cx,
1662                            );
1663                        }
1664                    }))
1665            })))
1666    }
1667
1668    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
1669        let bar = |n: u64, width_class: &str| {
1670            let bg_color = cx.theme().colors().element_active;
1671            let base = h_flex().h_1().rounded_full();
1672
1673            let modified = match width_class {
1674                "w_4_5" => base.w_3_4(),
1675                "w_1_4" => base.w_1_4(),
1676                "w_2_4" => base.w_2_4(),
1677                "w_3_5" => base.w_3_5(),
1678                "w_2_5" => base.w_2_5(),
1679                _ => base.w_1_2(),
1680            };
1681
1682            modified.with_animation(
1683                ElementId::Integer(n),
1684                Animation::new(Duration::from_secs(2)).repeat(),
1685                move |tab, delta| {
1686                    let delta = (delta - 0.15 * n as f32) / 0.7;
1687                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
1688                    let delta = ease_in_out(delta.clamp(0., 1.));
1689                    let delta = 0.1 + 0.9 * delta;
1690
1691                    tab.bg(bg_color.opacity(delta))
1692                },
1693            )
1694        };
1695
1696        v_flex()
1697            .p_3()
1698            .gap_1()
1699            .rounded_b_md()
1700            .bg(cx.theme().colors().editor_background)
1701            .child(bar(0, "w_4_5"))
1702            .child(bar(1, "w_1_4"))
1703            .child(bar(2, "w_2_4"))
1704            .child(bar(3, "w_3_5"))
1705            .child(bar(4, "w_2_5"))
1706            .into_any_element()
1707    }
1708
1709    fn render_diff_editor(
1710        &self,
1711        entry_ix: usize,
1712        diff: &Entity<acp_thread::Diff>,
1713        tool_call: &ToolCall,
1714        cx: &Context<Self>,
1715    ) -> AnyElement {
1716        let tool_progress = matches!(
1717            &tool_call.status,
1718            ToolCallStatus::InProgress | ToolCallStatus::Pending
1719        );
1720
1721        v_flex()
1722            .h_full()
1723            .child(
1724                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
1725                    && let Some(editor) = entry.editor_for_diff(diff)
1726                    && diff.read(cx).has_revealed_range(cx)
1727                {
1728                    editor.clone().into_any_element()
1729                } else if tool_progress {
1730                    self.render_diff_loading(cx)
1731                } else {
1732                    Empty.into_any()
1733                },
1734            )
1735            .into_any()
1736    }
1737
1738    fn render_terminal_tool_call(
1739        &self,
1740        entry_ix: usize,
1741        terminal: &Entity<acp_thread::Terminal>,
1742        tool_call: &ToolCall,
1743        window: &Window,
1744        cx: &Context<Self>,
1745    ) -> AnyElement {
1746        let terminal_data = terminal.read(cx);
1747        let working_dir = terminal_data.working_dir();
1748        let command = terminal_data.command();
1749        let started_at = terminal_data.started_at();
1750
1751        let tool_failed = matches!(
1752            &tool_call.status,
1753            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
1754        );
1755
1756        let output = terminal_data.output();
1757        let command_finished = output.is_some();
1758        let truncated_output = output.is_some_and(|output| output.was_content_truncated);
1759        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
1760
1761        let command_failed = command_finished
1762            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
1763
1764        let time_elapsed = if let Some(output) = output {
1765            output.ended_at.duration_since(started_at)
1766        } else {
1767            started_at.elapsed()
1768        };
1769
1770        let header_bg = cx
1771            .theme()
1772            .colors()
1773            .element_background
1774            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
1775        let border_color = cx.theme().colors().border.opacity(0.6);
1776
1777        let working_dir = working_dir
1778            .as_ref()
1779            .map(|path| format!("{}", path.display()))
1780            .unwrap_or_else(|| "current directory".to_string());
1781
1782        let header = h_flex()
1783            .id(SharedString::from(format!(
1784                "terminal-tool-header-{}",
1785                terminal.entity_id()
1786            )))
1787            .flex_none()
1788            .gap_1()
1789            .justify_between()
1790            .rounded_t_md()
1791            .child(
1792                div()
1793                    .id(("command-target-path", terminal.entity_id()))
1794                    .w_full()
1795                    .max_w_full()
1796                    .overflow_x_scroll()
1797                    .child(
1798                        Label::new(working_dir)
1799                            .buffer_font(cx)
1800                            .size(LabelSize::XSmall)
1801                            .color(Color::Muted),
1802                    ),
1803            )
1804            .when(!command_finished, |header| {
1805                header
1806                    .gap_1p5()
1807                    .child(
1808                        Button::new(
1809                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
1810                            "Stop",
1811                        )
1812                        .icon(IconName::Stop)
1813                        .icon_position(IconPosition::Start)
1814                        .icon_size(IconSize::Small)
1815                        .icon_color(Color::Error)
1816                        .label_size(LabelSize::Small)
1817                        .tooltip(move |window, cx| {
1818                            Tooltip::with_meta(
1819                                "Stop This Command",
1820                                None,
1821                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
1822                                window,
1823                                cx,
1824                            )
1825                        })
1826                        .on_click({
1827                            let terminal = terminal.clone();
1828                            cx.listener(move |_this, _event, _window, cx| {
1829                                let inner_terminal = terminal.read(cx).inner().clone();
1830                                inner_terminal.update(cx, |inner_terminal, _cx| {
1831                                    inner_terminal.kill_active_task();
1832                                });
1833                            })
1834                        }),
1835                    )
1836                    .child(Divider::vertical())
1837                    .child(
1838                        Icon::new(IconName::ArrowCircle)
1839                            .size(IconSize::XSmall)
1840                            .color(Color::Info)
1841                            .with_animation(
1842                                "arrow-circle",
1843                                Animation::new(Duration::from_secs(2)).repeat(),
1844                                |icon, delta| {
1845                                    icon.transform(Transformation::rotate(percentage(delta)))
1846                                },
1847                            ),
1848                    )
1849            })
1850            .when(tool_failed || command_failed, |header| {
1851                header.child(
1852                    div()
1853                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
1854                        .child(
1855                            Icon::new(IconName::Close)
1856                                .size(IconSize::Small)
1857                                .color(Color::Error),
1858                        )
1859                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
1860                            this.tooltip(Tooltip::text(format!(
1861                                "Exited with code {}",
1862                                status.code().unwrap_or(-1),
1863                            )))
1864                        }),
1865                )
1866            })
1867            .when(truncated_output, |header| {
1868                let tooltip = if let Some(output) = output {
1869                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
1870                        "Output exceeded terminal max lines and was \
1871                            truncated, the model received the first 16 KB."
1872                            .to_string()
1873                    } else {
1874                        format!(
1875                            "Output is {} long—to avoid unexpected token usage, \
1876                                only 16 KB was sent back to the model.",
1877                            format_file_size(output.original_content_len as u64, true),
1878                        )
1879                    }
1880                } else {
1881                    "Output was truncated".to_string()
1882                };
1883
1884                header.child(
1885                    h_flex()
1886                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
1887                        .gap_1()
1888                        .child(
1889                            Icon::new(IconName::Info)
1890                                .size(IconSize::XSmall)
1891                                .color(Color::Ignored),
1892                        )
1893                        .child(
1894                            Label::new("Truncated")
1895                                .color(Color::Muted)
1896                                .size(LabelSize::XSmall),
1897                        )
1898                        .tooltip(Tooltip::text(tooltip)),
1899                )
1900            })
1901            .when(time_elapsed > Duration::from_secs(10), |header| {
1902                header.child(
1903                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
1904                        .buffer_font(cx)
1905                        .color(Color::Muted)
1906                        .size(LabelSize::XSmall),
1907                )
1908            })
1909            .child(
1910                Disclosure::new(
1911                    SharedString::from(format!(
1912                        "terminal-tool-disclosure-{}",
1913                        terminal.entity_id()
1914                    )),
1915                    self.terminal_expanded,
1916                )
1917                .opened_icon(IconName::ChevronUp)
1918                .closed_icon(IconName::ChevronDown)
1919                .on_click(cx.listener(move |this, _event, _window, _cx| {
1920                    this.terminal_expanded = !this.terminal_expanded;
1921                })),
1922            );
1923
1924        let terminal_view = self
1925            .entry_view_state
1926            .read(cx)
1927            .entry(entry_ix)
1928            .and_then(|entry| entry.terminal(terminal));
1929        let show_output = self.terminal_expanded && terminal_view.is_some();
1930
1931        v_flex()
1932            .mb_2()
1933            .border_1()
1934            .when(tool_failed || command_failed, |card| card.border_dashed())
1935            .border_color(border_color)
1936            .rounded_lg()
1937            .overflow_hidden()
1938            .child(
1939                v_flex()
1940                    .py_1p5()
1941                    .pl_2()
1942                    .pr_1p5()
1943                    .gap_0p5()
1944                    .bg(header_bg)
1945                    .text_xs()
1946                    .child(header)
1947                    .child(
1948                        MarkdownElement::new(
1949                            command.clone(),
1950                            terminal_command_markdown_style(window, cx),
1951                        )
1952                        .code_block_renderer(
1953                            markdown::CodeBlockRenderer::Default {
1954                                copy_button: false,
1955                                copy_button_on_hover: true,
1956                                border: false,
1957                            },
1958                        ),
1959                    ),
1960            )
1961            .when(show_output, |this| {
1962                this.child(
1963                    div()
1964                        .pt_2()
1965                        .border_t_1()
1966                        .when(tool_failed || command_failed, |card| card.border_dashed())
1967                        .border_color(border_color)
1968                        .bg(cx.theme().colors().editor_background)
1969                        .rounded_b_md()
1970                        .text_ui_sm(cx)
1971                        .children(terminal_view.clone()),
1972                )
1973            })
1974            .into_any()
1975    }
1976
1977    fn render_agent_logo(&self) -> AnyElement {
1978        Icon::new(self.agent.logo())
1979            .color(Color::Muted)
1980            .size(IconSize::XLarge)
1981            .into_any_element()
1982    }
1983
1984    fn render_error_agent_logo(&self) -> AnyElement {
1985        let logo = Icon::new(self.agent.logo())
1986            .color(Color::Muted)
1987            .size(IconSize::XLarge)
1988            .into_any_element();
1989
1990        h_flex()
1991            .relative()
1992            .justify_center()
1993            .child(div().opacity(0.3).child(logo))
1994            .child(
1995                h_flex()
1996                    .absolute()
1997                    .right_1()
1998                    .bottom_0()
1999                    .child(Icon::new(IconName::XCircleFilled).color(Color::Error)),
2000            )
2001            .into_any_element()
2002    }
2003
2004    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2005        let project_context = self
2006            .as_native_thread(cx)?
2007            .read(cx)
2008            .project_context()
2009            .read(cx);
2010
2011        let user_rules_text = if project_context.user_rules.is_empty() {
2012            None
2013        } else if project_context.user_rules.len() == 1 {
2014            let user_rules = &project_context.user_rules[0];
2015
2016            match user_rules.title.as_ref() {
2017                Some(title) => Some(format!("Using \"{title}\" user rule")),
2018                None => Some("Using user rule".into()),
2019            }
2020        } else {
2021            Some(format!(
2022                "Using {} user rules",
2023                project_context.user_rules.len()
2024            ))
2025        };
2026
2027        let first_user_rules_id = project_context
2028            .user_rules
2029            .first()
2030            .map(|user_rules| user_rules.uuid.0);
2031
2032        let rules_files = project_context
2033            .worktrees
2034            .iter()
2035            .filter_map(|worktree| worktree.rules_file.as_ref())
2036            .collect::<Vec<_>>();
2037
2038        let rules_file_text = match rules_files.as_slice() {
2039            &[] => None,
2040            &[rules_file] => Some(format!(
2041                "Using project {:?} file",
2042                rules_file.path_in_worktree
2043            )),
2044            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2045        };
2046
2047        if user_rules_text.is_none() && rules_file_text.is_none() {
2048            return None;
2049        }
2050
2051        Some(
2052            v_flex()
2053                .px_2p5()
2054                .gap_1()
2055                .when_some(user_rules_text, |parent, user_rules_text| {
2056                    parent.child(
2057                        h_flex()
2058                            .group("user-rules")
2059                            .id("user-rules")
2060                            .w_full()
2061                            .child(
2062                                Icon::new(IconName::Reader)
2063                                    .size(IconSize::XSmall)
2064                                    .color(Color::Disabled),
2065                            )
2066                            .child(
2067                                Label::new(user_rules_text)
2068                                    .size(LabelSize::XSmall)
2069                                    .color(Color::Muted)
2070                                    .truncate()
2071                                    .buffer_font(cx)
2072                                    .ml_1p5()
2073                                    .mr_0p5(),
2074                            )
2075                            .child(
2076                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2077                                    .shape(ui::IconButtonShape::Square)
2078                                    .icon_size(IconSize::XSmall)
2079                                    .icon_color(Color::Ignored)
2080                                    .visible_on_hover("user-rules")
2081                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2082                                    .tooltip(Tooltip::text("View User Rules")),
2083                            )
2084                            .on_click(move |_event, window, cx| {
2085                                window.dispatch_action(
2086                                    Box::new(OpenRulesLibrary {
2087                                        prompt_to_select: first_user_rules_id,
2088                                    }),
2089                                    cx,
2090                                )
2091                            }),
2092                    )
2093                })
2094                .when_some(rules_file_text, |parent, rules_file_text| {
2095                    parent.child(
2096                        h_flex()
2097                            .group("project-rules")
2098                            .id("project-rules")
2099                            .w_full()
2100                            .child(
2101                                Icon::new(IconName::Reader)
2102                                    .size(IconSize::XSmall)
2103                                    .color(Color::Disabled),
2104                            )
2105                            .child(
2106                                Label::new(rules_file_text)
2107                                    .size(LabelSize::XSmall)
2108                                    .color(Color::Muted)
2109                                    .buffer_font(cx)
2110                                    .ml_1p5()
2111                                    .mr_0p5(),
2112                            )
2113                            .child(
2114                                IconButton::new("open-rule", IconName::ArrowUpRight)
2115                                    .shape(ui::IconButtonShape::Square)
2116                                    .icon_size(IconSize::XSmall)
2117                                    .icon_color(Color::Ignored)
2118                                    .visible_on_hover("project-rules")
2119                                    .tooltip(Tooltip::text("View Project Rules")),
2120                            )
2121                            .on_click(cx.listener(Self::handle_open_rules)),
2122                    )
2123                })
2124                .into_any(),
2125        )
2126    }
2127
2128    fn render_empty_state(&self, cx: &App) -> AnyElement {
2129        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2130
2131        v_flex()
2132            .size_full()
2133            .items_center()
2134            .justify_center()
2135            .child(if loading {
2136                h_flex()
2137                    .justify_center()
2138                    .child(self.render_agent_logo())
2139                    .with_animation(
2140                        "pulsating_icon",
2141                        Animation::new(Duration::from_secs(2))
2142                            .repeat()
2143                            .with_easing(pulsating_between(0.4, 1.0)),
2144                        |icon, delta| icon.opacity(delta),
2145                    )
2146                    .into_any()
2147            } else {
2148                self.render_agent_logo().into_any_element()
2149            })
2150            .child(h_flex().mt_4().mb_1().justify_center().child(if loading {
2151                div()
2152                    .child(LoadingLabel::new("").size(LabelSize::Large))
2153                    .into_any_element()
2154            } else {
2155                Headline::new(self.agent.empty_state_headline())
2156                    .size(HeadlineSize::Medium)
2157                    .into_any_element()
2158            }))
2159            .child(
2160                div()
2161                    .max_w_1_2()
2162                    .text_sm()
2163                    .text_center()
2164                    .map(|this| {
2165                        if loading {
2166                            this.invisible()
2167                        } else {
2168                            this.text_color(cx.theme().colors().text_muted)
2169                        }
2170                    })
2171                    .child(self.agent.empty_state_message()),
2172            )
2173            .into_any()
2174    }
2175
2176    fn render_auth_required_state(
2177        &self,
2178        connection: &Rc<dyn AgentConnection>,
2179        description: Option<&Entity<Markdown>>,
2180        configuration_view: Option<&AnyView>,
2181        window: &mut Window,
2182        cx: &Context<Self>,
2183    ) -> Div {
2184        v_flex()
2185            .p_2()
2186            .gap_2()
2187            .flex_1()
2188            .items_center()
2189            .justify_center()
2190            .child(
2191                v_flex()
2192                    .items_center()
2193                    .justify_center()
2194                    .child(self.render_error_agent_logo())
2195                    .child(h_flex().mt_4().mb_1().justify_center().child(
2196                        Headline::new(self.agent.empty_state_headline()).size(HeadlineSize::Medium),
2197                    ))
2198                    .into_any(),
2199            )
2200            .children(description.map(|desc| {
2201                div().text_ui(cx).text_center().child(
2202                    self.render_markdown(desc.clone(), default_markdown_style(false, window, cx)),
2203                )
2204            }))
2205            .children(
2206                configuration_view
2207                    .cloned()
2208                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2209            )
2210            .child(h_flex().mt_1p5().justify_center().children(
2211                connection.auth_methods().iter().map(|method| {
2212                    Button::new(SharedString::from(method.id.0.clone()), method.name.clone())
2213                        .on_click({
2214                            let method_id = method.id.clone();
2215                            cx.listener(move |this, _, window, cx| {
2216                                this.authenticate(method_id.clone(), window, cx)
2217                            })
2218                        })
2219                }),
2220            ))
2221    }
2222
2223    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2224        let mut container = v_flex()
2225            .items_center()
2226            .justify_center()
2227            .child(self.render_error_agent_logo())
2228            .child(
2229                v_flex()
2230                    .mt_4()
2231                    .mb_2()
2232                    .gap_0p5()
2233                    .text_center()
2234                    .items_center()
2235                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2236                    .child(
2237                        Label::new(e.to_string())
2238                            .size(LabelSize::Small)
2239                            .color(Color::Muted),
2240                    ),
2241            );
2242
2243        if let LoadError::Unsupported {
2244            upgrade_message,
2245            upgrade_command,
2246            ..
2247        } = &e
2248        {
2249            let upgrade_message = upgrade_message.clone();
2250            let upgrade_command = upgrade_command.clone();
2251            container = container.child(
2252                Button::new("upgrade", upgrade_message)
2253                    .tooltip(Tooltip::text(upgrade_command.clone()))
2254                    .on_click(cx.listener(move |this, _, window, cx| {
2255                        let task = this
2256                            .workspace
2257                            .update(cx, |workspace, cx| {
2258                                let project = workspace.project().read(cx);
2259                                let cwd = project.first_project_directory(cx);
2260                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2261                                let spawn_in_terminal = task::SpawnInTerminal {
2262                                    id: task::TaskId("upgrade".to_string()),
2263                                    full_label: upgrade_command.clone(),
2264                                    label: upgrade_command.clone(),
2265                                    command: Some(upgrade_command.clone()),
2266                                    args: Vec::new(),
2267                                    command_label: upgrade_command.clone(),
2268                                    cwd,
2269                                    env: Default::default(),
2270                                    use_new_terminal: true,
2271                                    allow_concurrent_runs: true,
2272                                    reveal: Default::default(),
2273                                    reveal_target: Default::default(),
2274                                    hide: Default::default(),
2275                                    shell,
2276                                    show_summary: true,
2277                                    show_command: true,
2278                                    show_rerun: false,
2279                                };
2280                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2281                            })
2282                            .ok();
2283                        let Some(task) = task else { return };
2284                        cx.spawn_in(window, async move |this, cx| {
2285                            if let Some(Ok(_)) = task.await {
2286                                this.update_in(cx, |this, window, cx| {
2287                                    this.reset(window, cx);
2288                                })
2289                                .ok();
2290                            }
2291                        })
2292                        .detach()
2293                    })),
2294            );
2295        } else if let LoadError::NotInstalled {
2296            install_message,
2297            install_command,
2298            ..
2299        } = e
2300        {
2301            let install_message = install_message.clone();
2302            let install_command = install_command.clone();
2303            container = container.child(
2304                Button::new("install", install_message)
2305                    .tooltip(Tooltip::text(install_command.clone()))
2306                    .on_click(cx.listener(move |this, _, window, cx| {
2307                        let task = this
2308                            .workspace
2309                            .update(cx, |workspace, cx| {
2310                                let project = workspace.project().read(cx);
2311                                let cwd = project.first_project_directory(cx);
2312                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2313                                let spawn_in_terminal = task::SpawnInTerminal {
2314                                    id: task::TaskId("install".to_string()),
2315                                    full_label: install_command.clone(),
2316                                    label: install_command.clone(),
2317                                    command: Some(install_command.clone()),
2318                                    args: Vec::new(),
2319                                    command_label: install_command.clone(),
2320                                    cwd,
2321                                    env: Default::default(),
2322                                    use_new_terminal: true,
2323                                    allow_concurrent_runs: true,
2324                                    reveal: Default::default(),
2325                                    reveal_target: Default::default(),
2326                                    hide: Default::default(),
2327                                    shell,
2328                                    show_summary: true,
2329                                    show_command: true,
2330                                    show_rerun: false,
2331                                };
2332                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2333                            })
2334                            .ok();
2335                        let Some(task) = task else { return };
2336                        cx.spawn_in(window, async move |this, cx| {
2337                            if let Some(Ok(_)) = task.await {
2338                                this.update_in(cx, |this, window, cx| {
2339                                    this.reset(window, cx);
2340                                })
2341                                .ok();
2342                            }
2343                        })
2344                        .detach()
2345                    })),
2346            );
2347        }
2348
2349        container.into_any()
2350    }
2351
2352    fn render_activity_bar(
2353        &self,
2354        thread_entity: &Entity<AcpThread>,
2355        window: &mut Window,
2356        cx: &Context<Self>,
2357    ) -> Option<AnyElement> {
2358        let thread = thread_entity.read(cx);
2359        let action_log = thread.action_log();
2360        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2361        let plan = thread.plan();
2362
2363        if changed_buffers.is_empty() && plan.is_empty() {
2364            return None;
2365        }
2366
2367        let editor_bg_color = cx.theme().colors().editor_background;
2368        let active_color = cx.theme().colors().element_selected;
2369        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2370
2371        let pending_edits = thread.has_pending_edit_tool_calls();
2372
2373        v_flex()
2374            .mt_1()
2375            .mx_2()
2376            .bg(bg_edit_files_disclosure)
2377            .border_1()
2378            .border_b_0()
2379            .border_color(cx.theme().colors().border)
2380            .rounded_t_md()
2381            .shadow(vec![gpui::BoxShadow {
2382                color: gpui::black().opacity(0.15),
2383                offset: point(px(1.), px(-1.)),
2384                blur_radius: px(3.),
2385                spread_radius: px(0.),
2386            }])
2387            .when(!plan.is_empty(), |this| {
2388                this.child(self.render_plan_summary(plan, window, cx))
2389                    .when(self.plan_expanded, |parent| {
2390                        parent.child(self.render_plan_entries(plan, window, cx))
2391                    })
2392            })
2393            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2394                this.child(Divider::horizontal().color(DividerColor::Border))
2395            })
2396            .when(!changed_buffers.is_empty(), |this| {
2397                this.child(self.render_edits_summary(
2398                    action_log,
2399                    &changed_buffers,
2400                    self.edits_expanded,
2401                    pending_edits,
2402                    window,
2403                    cx,
2404                ))
2405                .when(self.edits_expanded, |parent| {
2406                    parent.child(self.render_edited_files(
2407                        action_log,
2408                        &changed_buffers,
2409                        pending_edits,
2410                        cx,
2411                    ))
2412                })
2413            })
2414            .into_any()
2415            .into()
2416    }
2417
2418    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2419        let stats = plan.stats();
2420
2421        let title = if let Some(entry) = stats.in_progress_entry
2422            && !self.plan_expanded
2423        {
2424            h_flex()
2425                .w_full()
2426                .cursor_default()
2427                .gap_1()
2428                .text_xs()
2429                .text_color(cx.theme().colors().text_muted)
2430                .justify_between()
2431                .child(
2432                    h_flex()
2433                        .gap_1()
2434                        .child(
2435                            Label::new("Current:")
2436                                .size(LabelSize::Small)
2437                                .color(Color::Muted),
2438                        )
2439                        .child(MarkdownElement::new(
2440                            entry.content.clone(),
2441                            plan_label_markdown_style(&entry.status, window, cx),
2442                        )),
2443                )
2444                .when(stats.pending > 0, |this| {
2445                    this.child(
2446                        Label::new(format!("{} left", stats.pending))
2447                            .size(LabelSize::Small)
2448                            .color(Color::Muted)
2449                            .mr_1(),
2450                    )
2451                })
2452        } else {
2453            let status_label = if stats.pending == 0 {
2454                "All Done".to_string()
2455            } else if stats.completed == 0 {
2456                format!("{} Tasks", plan.entries.len())
2457            } else {
2458                format!("{}/{}", stats.completed, plan.entries.len())
2459            };
2460
2461            h_flex()
2462                .w_full()
2463                .gap_1()
2464                .justify_between()
2465                .child(
2466                    Label::new("Plan")
2467                        .size(LabelSize::Small)
2468                        .color(Color::Muted),
2469                )
2470                .child(
2471                    Label::new(status_label)
2472                        .size(LabelSize::Small)
2473                        .color(Color::Muted)
2474                        .mr_1(),
2475                )
2476        };
2477
2478        h_flex()
2479            .p_1()
2480            .justify_between()
2481            .when(self.plan_expanded, |this| {
2482                this.border_b_1().border_color(cx.theme().colors().border)
2483            })
2484            .child(
2485                h_flex()
2486                    .id("plan_summary")
2487                    .w_full()
2488                    .gap_1()
2489                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2490                    .child(title)
2491                    .on_click(cx.listener(|this, _, _, cx| {
2492                        this.plan_expanded = !this.plan_expanded;
2493                        cx.notify();
2494                    })),
2495            )
2496    }
2497
2498    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2499        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2500            let element = h_flex()
2501                .py_1()
2502                .px_2()
2503                .gap_2()
2504                .justify_between()
2505                .bg(cx.theme().colors().editor_background)
2506                .when(index < plan.entries.len() - 1, |parent| {
2507                    parent.border_color(cx.theme().colors().border).border_b_1()
2508                })
2509                .child(
2510                    h_flex()
2511                        .id(("plan_entry", index))
2512                        .gap_1p5()
2513                        .max_w_full()
2514                        .overflow_x_scroll()
2515                        .text_xs()
2516                        .text_color(cx.theme().colors().text_muted)
2517                        .child(match entry.status {
2518                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2519                                .size(IconSize::Small)
2520                                .color(Color::Muted)
2521                                .into_any_element(),
2522                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2523                                .size(IconSize::Small)
2524                                .color(Color::Accent)
2525                                .with_animation(
2526                                    "running",
2527                                    Animation::new(Duration::from_secs(2)).repeat(),
2528                                    |icon, delta| {
2529                                        icon.transform(Transformation::rotate(percentage(delta)))
2530                                    },
2531                                )
2532                                .into_any_element(),
2533                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2534                                .size(IconSize::Small)
2535                                .color(Color::Success)
2536                                .into_any_element(),
2537                        })
2538                        .child(MarkdownElement::new(
2539                            entry.content.clone(),
2540                            plan_label_markdown_style(&entry.status, window, cx),
2541                        )),
2542                );
2543
2544            Some(element)
2545        }))
2546    }
2547
2548    fn render_edits_summary(
2549        &self,
2550        action_log: &Entity<ActionLog>,
2551        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2552        expanded: bool,
2553        pending_edits: bool,
2554        window: &mut Window,
2555        cx: &Context<Self>,
2556    ) -> Div {
2557        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
2558
2559        let focus_handle = self.focus_handle(cx);
2560
2561        h_flex()
2562            .p_1()
2563            .justify_between()
2564            .when(expanded, |this| {
2565                this.border_b_1().border_color(cx.theme().colors().border)
2566            })
2567            .child(
2568                h_flex()
2569                    .id("edits-container")
2570                    .w_full()
2571                    .gap_1()
2572                    .child(Disclosure::new("edits-disclosure", expanded))
2573                    .map(|this| {
2574                        if pending_edits {
2575                            this.child(
2576                                Label::new(format!(
2577                                    "Editing {} {}",
2578                                    changed_buffers.len(),
2579                                    if changed_buffers.len() == 1 {
2580                                        "file"
2581                                    } else {
2582                                        "files"
2583                                    }
2584                                ))
2585                                .color(Color::Muted)
2586                                .size(LabelSize::Small)
2587                                .with_animation(
2588                                    "edit-label",
2589                                    Animation::new(Duration::from_secs(2))
2590                                        .repeat()
2591                                        .with_easing(pulsating_between(0.3, 0.7)),
2592                                    |label, delta| label.alpha(delta),
2593                                ),
2594                            )
2595                        } else {
2596                            this.child(
2597                                Label::new("Edits")
2598                                    .size(LabelSize::Small)
2599                                    .color(Color::Muted),
2600                            )
2601                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
2602                            .child(
2603                                Label::new(format!(
2604                                    "{} {}",
2605                                    changed_buffers.len(),
2606                                    if changed_buffers.len() == 1 {
2607                                        "file"
2608                                    } else {
2609                                        "files"
2610                                    }
2611                                ))
2612                                .size(LabelSize::Small)
2613                                .color(Color::Muted),
2614                            )
2615                        }
2616                    })
2617                    .on_click(cx.listener(|this, _, _, cx| {
2618                        this.edits_expanded = !this.edits_expanded;
2619                        cx.notify();
2620                    })),
2621            )
2622            .child(
2623                h_flex()
2624                    .gap_1()
2625                    .child(
2626                        IconButton::new("review-changes", IconName::ListTodo)
2627                            .icon_size(IconSize::Small)
2628                            .tooltip({
2629                                let focus_handle = focus_handle.clone();
2630                                move |window, cx| {
2631                                    Tooltip::for_action_in(
2632                                        "Review Changes",
2633                                        &OpenAgentDiff,
2634                                        &focus_handle,
2635                                        window,
2636                                        cx,
2637                                    )
2638                                }
2639                            })
2640                            .on_click(cx.listener(|_, _, window, cx| {
2641                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
2642                            })),
2643                    )
2644                    .child(Divider::vertical().color(DividerColor::Border))
2645                    .child(
2646                        Button::new("reject-all-changes", "Reject All")
2647                            .label_size(LabelSize::Small)
2648                            .disabled(pending_edits)
2649                            .when(pending_edits, |this| {
2650                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2651                            })
2652                            .key_binding(
2653                                KeyBinding::for_action_in(
2654                                    &RejectAll,
2655                                    &focus_handle.clone(),
2656                                    window,
2657                                    cx,
2658                                )
2659                                .map(|kb| kb.size(rems_from_px(10.))),
2660                            )
2661                            .on_click({
2662                                let action_log = action_log.clone();
2663                                cx.listener(move |_, _, _, cx| {
2664                                    action_log.update(cx, |action_log, cx| {
2665                                        action_log.reject_all_edits(cx).detach();
2666                                    })
2667                                })
2668                            }),
2669                    )
2670                    .child(
2671                        Button::new("keep-all-changes", "Keep All")
2672                            .label_size(LabelSize::Small)
2673                            .disabled(pending_edits)
2674                            .when(pending_edits, |this| {
2675                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2676                            })
2677                            .key_binding(
2678                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
2679                                    .map(|kb| kb.size(rems_from_px(10.))),
2680                            )
2681                            .on_click({
2682                                let action_log = action_log.clone();
2683                                cx.listener(move |_, _, _, cx| {
2684                                    action_log.update(cx, |action_log, cx| {
2685                                        action_log.keep_all_edits(cx);
2686                                    })
2687                                })
2688                            }),
2689                    ),
2690            )
2691    }
2692
2693    fn render_edited_files(
2694        &self,
2695        action_log: &Entity<ActionLog>,
2696        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2697        pending_edits: bool,
2698        cx: &Context<Self>,
2699    ) -> Div {
2700        let editor_bg_color = cx.theme().colors().editor_background;
2701
2702        v_flex().children(changed_buffers.iter().enumerate().flat_map(
2703            |(index, (buffer, _diff))| {
2704                let file = buffer.read(cx).file()?;
2705                let path = file.path();
2706
2707                let file_path = path.parent().and_then(|parent| {
2708                    let parent_str = parent.to_string_lossy();
2709
2710                    if parent_str.is_empty() {
2711                        None
2712                    } else {
2713                        Some(
2714                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
2715                                .color(Color::Muted)
2716                                .size(LabelSize::XSmall)
2717                                .buffer_font(cx),
2718                        )
2719                    }
2720                });
2721
2722                let file_name = path.file_name().map(|name| {
2723                    Label::new(name.to_string_lossy().to_string())
2724                        .size(LabelSize::XSmall)
2725                        .buffer_font(cx)
2726                });
2727
2728                let file_icon = FileIcons::get_icon(path, cx)
2729                    .map(Icon::from_path)
2730                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
2731                    .unwrap_or_else(|| {
2732                        Icon::new(IconName::File)
2733                            .color(Color::Muted)
2734                            .size(IconSize::Small)
2735                    });
2736
2737                let overlay_gradient = linear_gradient(
2738                    90.,
2739                    linear_color_stop(editor_bg_color, 1.),
2740                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
2741                );
2742
2743                let element = h_flex()
2744                    .group("edited-code")
2745                    .id(("file-container", index))
2746                    .relative()
2747                    .py_1()
2748                    .pl_2()
2749                    .pr_1()
2750                    .gap_2()
2751                    .justify_between()
2752                    .bg(editor_bg_color)
2753                    .when(index < changed_buffers.len() - 1, |parent| {
2754                        parent.border_color(cx.theme().colors().border).border_b_1()
2755                    })
2756                    .child(
2757                        h_flex()
2758                            .id(("file-name", index))
2759                            .pr_8()
2760                            .gap_1p5()
2761                            .max_w_full()
2762                            .overflow_x_scroll()
2763                            .child(file_icon)
2764                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
2765                            .on_click({
2766                                let buffer = buffer.clone();
2767                                cx.listener(move |this, _, window, cx| {
2768                                    this.open_edited_buffer(&buffer, window, cx);
2769                                })
2770                            }),
2771                    )
2772                    .child(
2773                        h_flex()
2774                            .gap_1()
2775                            .visible_on_hover("edited-code")
2776                            .child(
2777                                Button::new("review", "Review")
2778                                    .label_size(LabelSize::Small)
2779                                    .on_click({
2780                                        let buffer = buffer.clone();
2781                                        cx.listener(move |this, _, window, cx| {
2782                                            this.open_edited_buffer(&buffer, window, cx);
2783                                        })
2784                                    }),
2785                            )
2786                            .child(Divider::vertical().color(DividerColor::BorderVariant))
2787                            .child(
2788                                Button::new("reject-file", "Reject")
2789                                    .label_size(LabelSize::Small)
2790                                    .disabled(pending_edits)
2791                                    .on_click({
2792                                        let buffer = buffer.clone();
2793                                        let action_log = action_log.clone();
2794                                        move |_, _, cx| {
2795                                            action_log.update(cx, |action_log, cx| {
2796                                                action_log
2797                                                    .reject_edits_in_ranges(
2798                                                        buffer.clone(),
2799                                                        vec![Anchor::MIN..Anchor::MAX],
2800                                                        cx,
2801                                                    )
2802                                                    .detach_and_log_err(cx);
2803                                            })
2804                                        }
2805                                    }),
2806                            )
2807                            .child(
2808                                Button::new("keep-file", "Keep")
2809                                    .label_size(LabelSize::Small)
2810                                    .disabled(pending_edits)
2811                                    .on_click({
2812                                        let buffer = buffer.clone();
2813                                        let action_log = action_log.clone();
2814                                        move |_, _, cx| {
2815                                            action_log.update(cx, |action_log, cx| {
2816                                                action_log.keep_edits_in_range(
2817                                                    buffer.clone(),
2818                                                    Anchor::MIN..Anchor::MAX,
2819                                                    cx,
2820                                                );
2821                                            })
2822                                        }
2823                                    }),
2824                            ),
2825                    )
2826                    .child(
2827                        div()
2828                            .id("gradient-overlay")
2829                            .absolute()
2830                            .h_full()
2831                            .w_12()
2832                            .top_0()
2833                            .bottom_0()
2834                            .right(px(152.))
2835                            .bg(overlay_gradient),
2836                    );
2837
2838                Some(element)
2839            },
2840        ))
2841    }
2842
2843    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2844        let focus_handle = self.message_editor.focus_handle(cx);
2845        let editor_bg_color = cx.theme().colors().editor_background;
2846        let (expand_icon, expand_tooltip) = if self.editor_expanded {
2847            (IconName::Minimize, "Minimize Message Editor")
2848        } else {
2849            (IconName::Maximize, "Expand Message Editor")
2850        };
2851
2852        v_flex()
2853            .on_action(cx.listener(Self::expand_message_editor))
2854            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
2855                if let Some(profile_selector) = this.profile_selector.as_ref() {
2856                    profile_selector.read(cx).menu_handle().toggle(window, cx);
2857                }
2858            }))
2859            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
2860                if let Some(model_selector) = this.model_selector.as_ref() {
2861                    model_selector
2862                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
2863                }
2864            }))
2865            .p_2()
2866            .gap_2()
2867            .border_t_1()
2868            .border_color(cx.theme().colors().border)
2869            .bg(editor_bg_color)
2870            .when(self.editor_expanded, |this| {
2871                this.h(vh(0.8, window)).size_full().justify_between()
2872            })
2873            .child(
2874                v_flex()
2875                    .relative()
2876                    .size_full()
2877                    .pt_1()
2878                    .pr_2p5()
2879                    .child(self.message_editor.clone())
2880                    .child(
2881                        h_flex()
2882                            .absolute()
2883                            .top_0()
2884                            .right_0()
2885                            .opacity(0.5)
2886                            .hover(|this| this.opacity(1.0))
2887                            .child(
2888                                IconButton::new("toggle-height", expand_icon)
2889                                    .icon_size(IconSize::Small)
2890                                    .icon_color(Color::Muted)
2891                                    .tooltip({
2892                                        let focus_handle = focus_handle.clone();
2893                                        move |window, cx| {
2894                                            Tooltip::for_action_in(
2895                                                expand_tooltip,
2896                                                &ExpandMessageEditor,
2897                                                &focus_handle,
2898                                                window,
2899                                                cx,
2900                                            )
2901                                        }
2902                                    })
2903                                    .on_click(cx.listener(|_, _, window, cx| {
2904                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
2905                                    })),
2906                            ),
2907                    ),
2908            )
2909            .child(
2910                h_flex()
2911                    .flex_none()
2912                    .flex_wrap()
2913                    .justify_between()
2914                    .child(
2915                        h_flex()
2916                            .child(self.render_follow_toggle(cx))
2917                            .children(self.render_burn_mode_toggle(cx)),
2918                    )
2919                    .child(
2920                        h_flex()
2921                            .gap_1()
2922                            .children(self.render_token_usage(cx))
2923                            .children(self.profile_selector.clone())
2924                            .children(self.model_selector.clone())
2925                            .child(self.render_send_button(cx)),
2926                    ),
2927            )
2928            .into_any()
2929    }
2930
2931    pub(crate) fn as_native_connection(
2932        &self,
2933        cx: &App,
2934    ) -> Option<Rc<agent2::NativeAgentConnection>> {
2935        let acp_thread = self.thread()?.read(cx);
2936        acp_thread.connection().clone().downcast()
2937    }
2938
2939    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
2940        let acp_thread = self.thread()?.read(cx);
2941        self.as_native_connection(cx)?
2942            .thread(acp_thread.session_id(), cx)
2943    }
2944
2945    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
2946        let thread = self.thread()?.read(cx);
2947        let usage = thread.token_usage()?;
2948        let is_generating = thread.status() != ThreadStatus::Idle;
2949
2950        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
2951        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
2952
2953        Some(
2954            h_flex()
2955                .flex_shrink_0()
2956                .gap_0p5()
2957                .mr_1p5()
2958                .child(
2959                    Label::new(used)
2960                        .size(LabelSize::Small)
2961                        .color(Color::Muted)
2962                        .map(|label| {
2963                            if is_generating {
2964                                label
2965                                    .with_animation(
2966                                        "used-tokens-label",
2967                                        Animation::new(Duration::from_secs(2))
2968                                            .repeat()
2969                                            .with_easing(pulsating_between(0.6, 1.)),
2970                                        |label, delta| label.alpha(delta),
2971                                    )
2972                                    .into_any()
2973                            } else {
2974                                label.into_any_element()
2975                            }
2976                        }),
2977                )
2978                .child(
2979                    Label::new("/")
2980                        .size(LabelSize::Small)
2981                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
2982                )
2983                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
2984        )
2985    }
2986
2987    fn toggle_burn_mode(
2988        &mut self,
2989        _: &ToggleBurnMode,
2990        _window: &mut Window,
2991        cx: &mut Context<Self>,
2992    ) {
2993        let Some(thread) = self.as_native_thread(cx) else {
2994            return;
2995        };
2996
2997        thread.update(cx, |thread, cx| {
2998            let current_mode = thread.completion_mode();
2999            thread.set_completion_mode(
3000                match current_mode {
3001                    CompletionMode::Burn => CompletionMode::Normal,
3002                    CompletionMode::Normal => CompletionMode::Burn,
3003                },
3004                cx,
3005            );
3006        });
3007    }
3008
3009    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3010        let thread = self.as_native_thread(cx)?.read(cx);
3011
3012        if thread
3013            .model()
3014            .is_none_or(|model| !model.supports_burn_mode())
3015        {
3016            return None;
3017        }
3018
3019        let active_completion_mode = thread.completion_mode();
3020        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3021        let icon = if burn_mode_enabled {
3022            IconName::ZedBurnModeOn
3023        } else {
3024            IconName::ZedBurnMode
3025        };
3026
3027        Some(
3028            IconButton::new("burn-mode", icon)
3029                .icon_size(IconSize::Small)
3030                .icon_color(Color::Muted)
3031                .toggle_state(burn_mode_enabled)
3032                .selected_icon_color(Color::Error)
3033                .on_click(cx.listener(|this, _event, window, cx| {
3034                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3035                }))
3036                .tooltip(move |_window, cx| {
3037                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3038                        .into()
3039                })
3040                .into_any_element(),
3041        )
3042    }
3043
3044    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3045        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3046        let is_generating = self
3047            .thread()
3048            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3049
3050        if is_generating && is_editor_empty {
3051            IconButton::new("stop-generation", IconName::Stop)
3052                .icon_color(Color::Error)
3053                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3054                .tooltip(move |window, cx| {
3055                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3056                })
3057                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3058                .into_any_element()
3059        } else {
3060            let send_btn_tooltip = if is_editor_empty && !is_generating {
3061                "Type to Send"
3062            } else if is_generating {
3063                "Stop and Send Message"
3064            } else {
3065                "Send"
3066            };
3067
3068            IconButton::new("send-message", IconName::Send)
3069                .style(ButtonStyle::Filled)
3070                .map(|this| {
3071                    if is_editor_empty && !is_generating {
3072                        this.disabled(true).icon_color(Color::Muted)
3073                    } else {
3074                        this.icon_color(Color::Accent)
3075                    }
3076                })
3077                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3078                .on_click(cx.listener(|this, _, window, cx| {
3079                    this.send(window, cx);
3080                }))
3081                .into_any_element()
3082        }
3083    }
3084
3085    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3086        let following = self
3087            .workspace
3088            .read_with(cx, |workspace, _| {
3089                workspace.is_being_followed(CollaboratorId::Agent)
3090            })
3091            .unwrap_or(false);
3092
3093        IconButton::new("follow-agent", IconName::Crosshair)
3094            .icon_size(IconSize::Small)
3095            .icon_color(Color::Muted)
3096            .toggle_state(following)
3097            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3098            .tooltip(move |window, cx| {
3099                if following {
3100                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3101                } else {
3102                    Tooltip::with_meta(
3103                        "Follow Agent",
3104                        Some(&Follow),
3105                        "Track the agent's location as it reads and edits files.",
3106                        window,
3107                        cx,
3108                    )
3109                }
3110            })
3111            .on_click(cx.listener(move |this, _, window, cx| {
3112                this.workspace
3113                    .update(cx, |workspace, cx| {
3114                        if following {
3115                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3116                        } else {
3117                            workspace.follow(CollaboratorId::Agent, window, cx);
3118                        }
3119                    })
3120                    .ok();
3121            }))
3122    }
3123
3124    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3125        let workspace = self.workspace.clone();
3126        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3127            Self::open_link(text, &workspace, window, cx);
3128        })
3129    }
3130
3131    fn open_link(
3132        url: SharedString,
3133        workspace: &WeakEntity<Workspace>,
3134        window: &mut Window,
3135        cx: &mut App,
3136    ) {
3137        let Some(workspace) = workspace.upgrade() else {
3138            cx.open_url(&url);
3139            return;
3140        };
3141
3142        if let Some(mention) = MentionUri::parse(&url).log_err() {
3143            workspace.update(cx, |workspace, cx| match mention {
3144                MentionUri::File { abs_path } => {
3145                    let project = workspace.project();
3146                    let Some(path) =
3147                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3148                    else {
3149                        return;
3150                    };
3151
3152                    workspace
3153                        .open_path(path, None, true, window, cx)
3154                        .detach_and_log_err(cx);
3155                }
3156                MentionUri::Directory { abs_path } => {
3157                    let project = workspace.project();
3158                    let Some(entry) = project.update(cx, |project, cx| {
3159                        let path = project.find_project_path(abs_path, cx)?;
3160                        project.entry_for_path(&path, cx)
3161                    }) else {
3162                        return;
3163                    };
3164
3165                    project.update(cx, |_, cx| {
3166                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3167                    });
3168                }
3169                MentionUri::Symbol {
3170                    path, line_range, ..
3171                }
3172                | MentionUri::Selection { path, line_range } => {
3173                    let project = workspace.project();
3174                    let Some((path, _)) = project.update(cx, |project, cx| {
3175                        let path = project.find_project_path(path, cx)?;
3176                        let entry = project.entry_for_path(&path, cx)?;
3177                        Some((path, entry))
3178                    }) else {
3179                        return;
3180                    };
3181
3182                    let item = workspace.open_path(path, None, true, window, cx);
3183                    window
3184                        .spawn(cx, async move |cx| {
3185                            let Some(editor) = item.await?.downcast::<Editor>() else {
3186                                return Ok(());
3187                            };
3188                            let range =
3189                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3190                            editor
3191                                .update_in(cx, |editor, window, cx| {
3192                                    editor.change_selections(
3193                                        SelectionEffects::scroll(Autoscroll::center()),
3194                                        window,
3195                                        cx,
3196                                        |s| s.select_ranges(vec![range]),
3197                                    );
3198                                })
3199                                .ok();
3200                            anyhow::Ok(())
3201                        })
3202                        .detach_and_log_err(cx);
3203                }
3204                MentionUri::Thread { id, .. } => {
3205                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3206                        panel.update(cx, |panel, cx| {
3207                            panel
3208                                .open_thread_by_id(&id, window, cx)
3209                                .detach_and_log_err(cx)
3210                        });
3211                    }
3212                }
3213                MentionUri::TextThread { path, .. } => {
3214                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3215                        panel.update(cx, |panel, cx| {
3216                            panel
3217                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3218                                .detach_and_log_err(cx);
3219                        });
3220                    }
3221                }
3222                MentionUri::Rule { id, .. } => {
3223                    let PromptId::User { uuid } = id else {
3224                        return;
3225                    };
3226                    window.dispatch_action(
3227                        Box::new(OpenRulesLibrary {
3228                            prompt_to_select: Some(uuid.0),
3229                        }),
3230                        cx,
3231                    )
3232                }
3233                MentionUri::Fetch { url } => {
3234                    cx.open_url(url.as_str());
3235                }
3236            })
3237        } else {
3238            cx.open_url(&url);
3239        }
3240    }
3241
3242    fn open_tool_call_location(
3243        &self,
3244        entry_ix: usize,
3245        location_ix: usize,
3246        window: &mut Window,
3247        cx: &mut Context<Self>,
3248    ) -> Option<()> {
3249        let (tool_call_location, agent_location) = self
3250            .thread()?
3251            .read(cx)
3252            .entries()
3253            .get(entry_ix)?
3254            .location(location_ix)?;
3255
3256        let project_path = self
3257            .project
3258            .read(cx)
3259            .find_project_path(&tool_call_location.path, cx)?;
3260
3261        let open_task = self
3262            .workspace
3263            .update(cx, |workspace, cx| {
3264                workspace.open_path(project_path, None, true, window, cx)
3265            })
3266            .log_err()?;
3267        window
3268            .spawn(cx, async move |cx| {
3269                let item = open_task.await?;
3270
3271                let Some(active_editor) = item.downcast::<Editor>() else {
3272                    return anyhow::Ok(());
3273                };
3274
3275                active_editor.update_in(cx, |editor, window, cx| {
3276                    let multibuffer = editor.buffer().read(cx);
3277                    let buffer = multibuffer.as_singleton();
3278                    if agent_location.buffer.upgrade() == buffer {
3279                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3280                        let anchor = editor::Anchor::in_buffer(
3281                            excerpt_id.unwrap(),
3282                            buffer.unwrap().read(cx).remote_id(),
3283                            agent_location.position,
3284                        );
3285                        editor.change_selections(Default::default(), window, cx, |selections| {
3286                            selections.select_anchor_ranges([anchor..anchor]);
3287                        })
3288                    } else {
3289                        let row = tool_call_location.line.unwrap_or_default();
3290                        editor.change_selections(Default::default(), window, cx, |selections| {
3291                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3292                        })
3293                    }
3294                })?;
3295
3296                anyhow::Ok(())
3297            })
3298            .detach_and_log_err(cx);
3299
3300        None
3301    }
3302
3303    pub fn open_thread_as_markdown(
3304        &self,
3305        workspace: Entity<Workspace>,
3306        window: &mut Window,
3307        cx: &mut App,
3308    ) -> Task<anyhow::Result<()>> {
3309        let markdown_language_task = workspace
3310            .read(cx)
3311            .app_state()
3312            .languages
3313            .language_for_name("Markdown");
3314
3315        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3316            let thread = thread.read(cx);
3317            (thread.title().to_string(), thread.to_markdown(cx))
3318        } else {
3319            return Task::ready(Ok(()));
3320        };
3321
3322        window.spawn(cx, async move |cx| {
3323            let markdown_language = markdown_language_task.await?;
3324
3325            workspace.update_in(cx, |workspace, window, cx| {
3326                let project = workspace.project().clone();
3327
3328                if !project.read(cx).is_local() {
3329                    bail!("failed to open active thread as markdown in remote project");
3330                }
3331
3332                let buffer = project.update(cx, |project, cx| {
3333                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3334                });
3335                let buffer = cx.new(|cx| {
3336                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3337                });
3338
3339                workspace.add_item_to_active_pane(
3340                    Box::new(cx.new(|cx| {
3341                        let mut editor =
3342                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3343                        editor.set_breadcrumb_header(thread_summary);
3344                        editor
3345                    })),
3346                    None,
3347                    true,
3348                    window,
3349                    cx,
3350                );
3351
3352                anyhow::Ok(())
3353            })??;
3354            anyhow::Ok(())
3355        })
3356    }
3357
3358    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3359        self.list_state.scroll_to(ListOffset::default());
3360        cx.notify();
3361    }
3362
3363    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3364        if let Some(thread) = self.thread() {
3365            let entry_count = thread.read(cx).entries().len();
3366            self.list_state.reset(entry_count);
3367            cx.notify();
3368        }
3369    }
3370
3371    fn notify_with_sound(
3372        &mut self,
3373        caption: impl Into<SharedString>,
3374        icon: IconName,
3375        window: &mut Window,
3376        cx: &mut Context<Self>,
3377    ) {
3378        self.play_notification_sound(window, cx);
3379        self.show_notification(caption, icon, window, cx);
3380    }
3381
3382    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3383        let settings = AgentSettings::get_global(cx);
3384        if settings.play_sound_when_agent_done && !window.is_window_active() {
3385            Audio::play_sound(Sound::AgentDone, cx);
3386        }
3387    }
3388
3389    fn show_notification(
3390        &mut self,
3391        caption: impl Into<SharedString>,
3392        icon: IconName,
3393        window: &mut Window,
3394        cx: &mut Context<Self>,
3395    ) {
3396        if window.is_window_active() || !self.notifications.is_empty() {
3397            return;
3398        }
3399
3400        let title = self.title(cx);
3401
3402        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3403            NotifyWhenAgentWaiting::PrimaryScreen => {
3404                if let Some(primary) = cx.primary_display() {
3405                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3406                }
3407            }
3408            NotifyWhenAgentWaiting::AllScreens => {
3409                let caption = caption.into();
3410                for screen in cx.displays() {
3411                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3412                }
3413            }
3414            NotifyWhenAgentWaiting::Never => {
3415                // Don't show anything
3416            }
3417        }
3418    }
3419
3420    fn pop_up(
3421        &mut self,
3422        icon: IconName,
3423        caption: SharedString,
3424        title: SharedString,
3425        window: &mut Window,
3426        screen: Rc<dyn PlatformDisplay>,
3427        cx: &mut Context<Self>,
3428    ) {
3429        let options = AgentNotification::window_options(screen, cx);
3430
3431        let project_name = self.workspace.upgrade().and_then(|workspace| {
3432            workspace
3433                .read(cx)
3434                .project()
3435                .read(cx)
3436                .visible_worktrees(cx)
3437                .next()
3438                .map(|worktree| worktree.read(cx).root_name().to_string())
3439        });
3440
3441        if let Some(screen_window) = cx
3442            .open_window(options, |_, cx| {
3443                cx.new(|_| {
3444                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3445                })
3446            })
3447            .log_err()
3448            && let Some(pop_up) = screen_window.entity(cx).log_err()
3449        {
3450            self.notification_subscriptions
3451                .entry(screen_window)
3452                .or_insert_with(Vec::new)
3453                .push(cx.subscribe_in(&pop_up, window, {
3454                    |this, _, event, window, cx| match event {
3455                        AgentNotificationEvent::Accepted => {
3456                            let handle = window.window_handle();
3457                            cx.activate(true);
3458
3459                            let workspace_handle = this.workspace.clone();
3460
3461                            // If there are multiple Zed windows, activate the correct one.
3462                            cx.defer(move |cx| {
3463                                handle
3464                                    .update(cx, |_view, window, _cx| {
3465                                        window.activate_window();
3466
3467                                        if let Some(workspace) = workspace_handle.upgrade() {
3468                                            workspace.update(_cx, |workspace, cx| {
3469                                                workspace.focus_panel::<AgentPanel>(window, cx);
3470                                            });
3471                                        }
3472                                    })
3473                                    .log_err();
3474                            });
3475
3476                            this.dismiss_notifications(cx);
3477                        }
3478                        AgentNotificationEvent::Dismissed => {
3479                            this.dismiss_notifications(cx);
3480                        }
3481                    }
3482                }));
3483
3484            self.notifications.push(screen_window);
3485
3486            // If the user manually refocuses the original window, dismiss the popup.
3487            self.notification_subscriptions
3488                .entry(screen_window)
3489                .or_insert_with(Vec::new)
3490                .push({
3491                    let pop_up_weak = pop_up.downgrade();
3492
3493                    cx.observe_window_activation(window, move |_, window, cx| {
3494                        if window.is_window_active()
3495                            && let Some(pop_up) = pop_up_weak.upgrade()
3496                        {
3497                            pop_up.update(cx, |_, cx| {
3498                                cx.emit(AgentNotificationEvent::Dismissed);
3499                            });
3500                        }
3501                    })
3502                });
3503        }
3504    }
3505
3506    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3507        for window in self.notifications.drain(..) {
3508            window
3509                .update(cx, |_, window, _| {
3510                    window.remove_window();
3511                })
3512                .ok();
3513
3514            self.notification_subscriptions.remove(&window);
3515        }
3516    }
3517
3518    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
3519        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
3520            .shape(ui::IconButtonShape::Square)
3521            .icon_size(IconSize::Small)
3522            .icon_color(Color::Ignored)
3523            .tooltip(Tooltip::text("Open Thread as Markdown"))
3524            .on_click(cx.listener(move |this, _, window, cx| {
3525                if let Some(workspace) = this.workspace.upgrade() {
3526                    this.open_thread_as_markdown(workspace, window, cx)
3527                        .detach_and_log_err(cx);
3528                }
3529            }));
3530
3531        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
3532            .shape(ui::IconButtonShape::Square)
3533            .icon_size(IconSize::Small)
3534            .icon_color(Color::Ignored)
3535            .tooltip(Tooltip::text("Scroll To Top"))
3536            .on_click(cx.listener(move |this, _, _, cx| {
3537                this.scroll_to_top(cx);
3538            }));
3539
3540        h_flex()
3541            .w_full()
3542            .mr_1()
3543            .pb_2()
3544            .px(RESPONSE_PADDING_X)
3545            .opacity(0.4)
3546            .hover(|style| style.opacity(1.))
3547            .flex_wrap()
3548            .justify_end()
3549            .child(open_as_markdown)
3550            .child(scroll_to_top)
3551    }
3552
3553    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
3554        div()
3555            .id("acp-thread-scrollbar")
3556            .occlude()
3557            .on_mouse_move(cx.listener(|_, _, _, cx| {
3558                cx.notify();
3559                cx.stop_propagation()
3560            }))
3561            .on_hover(|_, _, cx| {
3562                cx.stop_propagation();
3563            })
3564            .on_any_mouse_down(|_, _, cx| {
3565                cx.stop_propagation();
3566            })
3567            .on_mouse_up(
3568                MouseButton::Left,
3569                cx.listener(|_, _, _, cx| {
3570                    cx.stop_propagation();
3571                }),
3572            )
3573            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3574                cx.notify();
3575            }))
3576            .h_full()
3577            .absolute()
3578            .right_1()
3579            .top_1()
3580            .bottom_0()
3581            .w(px(12.))
3582            .cursor_default()
3583            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
3584    }
3585
3586    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
3587        self.entry_view_state.update(cx, |entry_view_state, cx| {
3588            entry_view_state.settings_changed(cx);
3589        });
3590    }
3591
3592    pub(crate) fn insert_dragged_files(
3593        &self,
3594        paths: Vec<project::ProjectPath>,
3595        added_worktrees: Vec<Entity<project::Worktree>>,
3596        window: &mut Window,
3597        cx: &mut Context<Self>,
3598    ) {
3599        self.message_editor.update(cx, |message_editor, cx| {
3600            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
3601        })
3602    }
3603
3604    fn render_thread_retry_status_callout(
3605        &self,
3606        _window: &mut Window,
3607        _cx: &mut Context<Self>,
3608    ) -> Option<Callout> {
3609        let state = self.thread_retry_status.as_ref()?;
3610
3611        let next_attempt_in = state
3612            .duration
3613            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
3614        if next_attempt_in.is_zero() {
3615            return None;
3616        }
3617
3618        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
3619
3620        let retry_message = if state.max_attempts == 1 {
3621            if next_attempt_in_secs == 1 {
3622                "Retrying. Next attempt in 1 second.".to_string()
3623            } else {
3624                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
3625            }
3626        } else if next_attempt_in_secs == 1 {
3627            format!(
3628                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
3629                state.attempt, state.max_attempts,
3630            )
3631        } else {
3632            format!(
3633                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
3634                state.attempt, state.max_attempts,
3635            )
3636        };
3637
3638        Some(
3639            Callout::new()
3640                .severity(Severity::Warning)
3641                .title(state.last_error.clone())
3642                .description(retry_message),
3643        )
3644    }
3645
3646    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
3647        let content = match self.thread_error.as_ref()? {
3648            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
3649            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
3650            ThreadError::ModelRequestLimitReached(plan) => {
3651                self.render_model_request_limit_reached_error(*plan, cx)
3652            }
3653            ThreadError::ToolUseLimitReached => {
3654                self.render_tool_use_limit_reached_error(window, cx)?
3655            }
3656        };
3657
3658        Some(div().child(content))
3659    }
3660
3661    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
3662        Callout::new()
3663            .severity(Severity::Error)
3664            .title("Error")
3665            .description(error.clone())
3666            .actions_slot(self.create_copy_button(error.to_string()))
3667            .dismiss_action(self.dismiss_error_button(cx))
3668    }
3669
3670    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
3671        const ERROR_MESSAGE: &str =
3672            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3673
3674        Callout::new()
3675            .severity(Severity::Error)
3676            .title("Free Usage Exceeded")
3677            .description(ERROR_MESSAGE)
3678            .actions_slot(
3679                h_flex()
3680                    .gap_0p5()
3681                    .child(self.upgrade_button(cx))
3682                    .child(self.create_copy_button(ERROR_MESSAGE)),
3683            )
3684            .dismiss_action(self.dismiss_error_button(cx))
3685    }
3686
3687    fn render_model_request_limit_reached_error(
3688        &self,
3689        plan: cloud_llm_client::Plan,
3690        cx: &mut Context<Self>,
3691    ) -> Callout {
3692        let error_message = match plan {
3693            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3694            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
3695                "Upgrade to Zed Pro for more prompts."
3696            }
3697        };
3698
3699        Callout::new()
3700            .severity(Severity::Error)
3701            .title("Model Prompt Limit Reached")
3702            .description(error_message)
3703            .actions_slot(
3704                h_flex()
3705                    .gap_0p5()
3706                    .child(self.upgrade_button(cx))
3707                    .child(self.create_copy_button(error_message)),
3708            )
3709            .dismiss_action(self.dismiss_error_button(cx))
3710    }
3711
3712    fn render_tool_use_limit_reached_error(
3713        &self,
3714        window: &mut Window,
3715        cx: &mut Context<Self>,
3716    ) -> Option<Callout> {
3717        let thread = self.as_native_thread(cx)?;
3718        let supports_burn_mode = thread
3719            .read(cx)
3720            .model()
3721            .is_some_and(|model| model.supports_burn_mode());
3722
3723        let focus_handle = self.focus_handle(cx);
3724
3725        Some(
3726            Callout::new()
3727                .icon(IconName::Info)
3728                .title("Consecutive tool use limit reached.")
3729                .actions_slot(
3730                    h_flex()
3731                        .gap_0p5()
3732                        .when(supports_burn_mode, |this| {
3733                            this.child(
3734                                Button::new("continue-burn-mode", "Continue with Burn Mode")
3735                                    .style(ButtonStyle::Filled)
3736                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3737                                    .layer(ElevationIndex::ModalSurface)
3738                                    .label_size(LabelSize::Small)
3739                                    .key_binding(
3740                                        KeyBinding::for_action_in(
3741                                            &ContinueWithBurnMode,
3742                                            &focus_handle,
3743                                            window,
3744                                            cx,
3745                                        )
3746                                        .map(|kb| kb.size(rems_from_px(10.))),
3747                                    )
3748                                    .tooltip(Tooltip::text(
3749                                        "Enable Burn Mode for unlimited tool use.",
3750                                    ))
3751                                    .on_click({
3752                                        cx.listener(move |this, _, _window, cx| {
3753                                            thread.update(cx, |thread, cx| {
3754                                                thread
3755                                                    .set_completion_mode(CompletionMode::Burn, cx);
3756                                            });
3757                                            this.resume_chat(cx);
3758                                        })
3759                                    }),
3760                            )
3761                        })
3762                        .child(
3763                            Button::new("continue-conversation", "Continue")
3764                                .layer(ElevationIndex::ModalSurface)
3765                                .label_size(LabelSize::Small)
3766                                .key_binding(
3767                                    KeyBinding::for_action_in(
3768                                        &ContinueThread,
3769                                        &focus_handle,
3770                                        window,
3771                                        cx,
3772                                    )
3773                                    .map(|kb| kb.size(rems_from_px(10.))),
3774                                )
3775                                .on_click(cx.listener(|this, _, _window, cx| {
3776                                    this.resume_chat(cx);
3777                                })),
3778                        ),
3779                ),
3780        )
3781    }
3782
3783    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3784        let message = message.into();
3785
3786        IconButton::new("copy", IconName::Copy)
3787            .icon_size(IconSize::Small)
3788            .icon_color(Color::Muted)
3789            .tooltip(Tooltip::text("Copy Error Message"))
3790            .on_click(move |_, _, cx| {
3791                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3792            })
3793    }
3794
3795    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3796        IconButton::new("dismiss", IconName::Close)
3797            .icon_size(IconSize::Small)
3798            .icon_color(Color::Muted)
3799            .tooltip(Tooltip::text("Dismiss Error"))
3800            .on_click(cx.listener({
3801                move |this, _, _, cx| {
3802                    this.clear_thread_error(cx);
3803                    cx.notify();
3804                }
3805            }))
3806    }
3807
3808    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3809        Button::new("upgrade", "Upgrade")
3810            .label_size(LabelSize::Small)
3811            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3812            .on_click(cx.listener({
3813                move |this, _, _, cx| {
3814                    this.clear_thread_error(cx);
3815                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3816                }
3817            }))
3818    }
3819
3820    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3821        self.thread_state = Self::initial_state(
3822            self.agent.clone(),
3823            None,
3824            self.workspace.clone(),
3825            self.project.clone(),
3826            window,
3827            cx,
3828        );
3829        cx.notify();
3830    }
3831}
3832
3833impl Focusable for AcpThreadView {
3834    fn focus_handle(&self, cx: &App) -> FocusHandle {
3835        self.message_editor.focus_handle(cx)
3836    }
3837}
3838
3839impl Render for AcpThreadView {
3840    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3841        let has_messages = self.list_state.item_count() > 0;
3842
3843        v_flex()
3844            .size_full()
3845            .key_context("AcpThread")
3846            .on_action(cx.listener(Self::open_agent_diff))
3847            .on_action(cx.listener(Self::toggle_burn_mode))
3848            .bg(cx.theme().colors().panel_background)
3849            .child(match &self.thread_state {
3850                ThreadState::Unauthenticated {
3851                    connection,
3852                    description,
3853                    configuration_view,
3854                    ..
3855                } => self.render_auth_required_state(
3856                    connection,
3857                    description.as_ref(),
3858                    configuration_view.as_ref(),
3859                    window,
3860                    cx,
3861                ),
3862                ThreadState::Loading { .. } => v_flex().flex_1().child(self.render_empty_state(cx)),
3863                ThreadState::LoadError(e) => v_flex()
3864                    .p_2()
3865                    .flex_1()
3866                    .items_center()
3867                    .justify_center()
3868                    .child(self.render_load_error(e, cx)),
3869                ThreadState::Ready { thread, .. } => {
3870                    let thread_clone = thread.clone();
3871
3872                    v_flex().flex_1().map(|this| {
3873                        if has_messages {
3874                            this.child(
3875                                list(
3876                                    self.list_state.clone(),
3877                                    cx.processor(|this, index: usize, window, cx| {
3878                                        let Some((entry, len)) = this.thread().and_then(|thread| {
3879                                            let entries = &thread.read(cx).entries();
3880                                            Some((entries.get(index)?, entries.len()))
3881                                        }) else {
3882                                            return Empty.into_any();
3883                                        };
3884                                        this.render_entry(index, len, entry, window, cx)
3885                                    }),
3886                                )
3887                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
3888                                .flex_grow()
3889                                .into_any(),
3890                            )
3891                            .child(self.render_vertical_scrollbar(cx))
3892                            .children(
3893                                match thread_clone.read(cx).status() {
3894                                    ThreadStatus::Idle
3895                                    | ThreadStatus::WaitingForToolConfirmation => None,
3896                                    ThreadStatus::Generating => div()
3897                                        .px_5()
3898                                        .py_2()
3899                                        .child(LoadingLabel::new("").size(LabelSize::Small))
3900                                        .into(),
3901                                },
3902                            )
3903                        } else {
3904                            this.child(self.render_empty_state(cx))
3905                        }
3906                    })
3907                }
3908            })
3909            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
3910            // above so that the scrollbar doesn't render behind it. The current setup allows
3911            // the scrollbar to stop exactly at the activity bar start.
3912            .when(has_messages, |this| match &self.thread_state {
3913                ThreadState::Ready { thread, .. } => {
3914                    this.children(self.render_activity_bar(thread, window, cx))
3915                }
3916                _ => this,
3917            })
3918            .children(self.render_thread_retry_status_callout(window, cx))
3919            .children(self.render_thread_error(window, cx))
3920            .child(self.render_message_editor(window, cx))
3921    }
3922}
3923
3924fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
3925    let theme_settings = ThemeSettings::get_global(cx);
3926    let colors = cx.theme().colors();
3927
3928    let buffer_font_size = TextSize::Small.rems(cx);
3929
3930    let mut text_style = window.text_style();
3931    let line_height = buffer_font_size * 1.75;
3932
3933    let font_family = if buffer_font {
3934        theme_settings.buffer_font.family.clone()
3935    } else {
3936        theme_settings.ui_font.family.clone()
3937    };
3938
3939    let font_size = if buffer_font {
3940        TextSize::Small.rems(cx)
3941    } else {
3942        TextSize::Default.rems(cx)
3943    };
3944
3945    text_style.refine(&TextStyleRefinement {
3946        font_family: Some(font_family),
3947        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
3948        font_features: Some(theme_settings.ui_font.features.clone()),
3949        font_size: Some(font_size.into()),
3950        line_height: Some(line_height.into()),
3951        color: Some(cx.theme().colors().text),
3952        ..Default::default()
3953    });
3954
3955    MarkdownStyle {
3956        base_text_style: text_style.clone(),
3957        syntax: cx.theme().syntax().clone(),
3958        selection_background_color: cx.theme().colors().element_selection_background,
3959        code_block_overflow_x_scroll: true,
3960        table_overflow_x_scroll: true,
3961        heading_level_styles: Some(HeadingLevelStyles {
3962            h1: Some(TextStyleRefinement {
3963                font_size: Some(rems(1.15).into()),
3964                ..Default::default()
3965            }),
3966            h2: Some(TextStyleRefinement {
3967                font_size: Some(rems(1.1).into()),
3968                ..Default::default()
3969            }),
3970            h3: Some(TextStyleRefinement {
3971                font_size: Some(rems(1.05).into()),
3972                ..Default::default()
3973            }),
3974            h4: Some(TextStyleRefinement {
3975                font_size: Some(rems(1.).into()),
3976                ..Default::default()
3977            }),
3978            h5: Some(TextStyleRefinement {
3979                font_size: Some(rems(0.95).into()),
3980                ..Default::default()
3981            }),
3982            h6: Some(TextStyleRefinement {
3983                font_size: Some(rems(0.875).into()),
3984                ..Default::default()
3985            }),
3986        }),
3987        code_block: StyleRefinement {
3988            padding: EdgesRefinement {
3989                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3990                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3991                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3992                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3993            },
3994            margin: EdgesRefinement {
3995                top: Some(Length::Definite(Pixels(8.).into())),
3996                left: Some(Length::Definite(Pixels(0.).into())),
3997                right: Some(Length::Definite(Pixels(0.).into())),
3998                bottom: Some(Length::Definite(Pixels(12.).into())),
3999            },
4000            border_style: Some(BorderStyle::Solid),
4001            border_widths: EdgesRefinement {
4002                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4003                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4004                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4005                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4006            },
4007            border_color: Some(colors.border_variant),
4008            background: Some(colors.editor_background.into()),
4009            text: Some(TextStyleRefinement {
4010                font_family: Some(theme_settings.buffer_font.family.clone()),
4011                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4012                font_features: Some(theme_settings.buffer_font.features.clone()),
4013                font_size: Some(buffer_font_size.into()),
4014                ..Default::default()
4015            }),
4016            ..Default::default()
4017        },
4018        inline_code: TextStyleRefinement {
4019            font_family: Some(theme_settings.buffer_font.family.clone()),
4020            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4021            font_features: Some(theme_settings.buffer_font.features.clone()),
4022            font_size: Some(buffer_font_size.into()),
4023            background_color: Some(colors.editor_foreground.opacity(0.08)),
4024            ..Default::default()
4025        },
4026        link: TextStyleRefinement {
4027            background_color: Some(colors.editor_foreground.opacity(0.025)),
4028            underline: Some(UnderlineStyle {
4029                color: Some(colors.text_accent.opacity(0.5)),
4030                thickness: px(1.),
4031                ..Default::default()
4032            }),
4033            ..Default::default()
4034        },
4035        ..Default::default()
4036    }
4037}
4038
4039fn plan_label_markdown_style(
4040    status: &acp::PlanEntryStatus,
4041    window: &Window,
4042    cx: &App,
4043) -> MarkdownStyle {
4044    let default_md_style = default_markdown_style(false, window, cx);
4045
4046    MarkdownStyle {
4047        base_text_style: TextStyle {
4048            color: cx.theme().colors().text_muted,
4049            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4050                Some(gpui::StrikethroughStyle {
4051                    thickness: px(1.),
4052                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4053                })
4054            } else {
4055                None
4056            },
4057            ..default_md_style.base_text_style
4058        },
4059        ..default_md_style
4060    }
4061}
4062
4063fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4064    let default_md_style = default_markdown_style(true, window, cx);
4065
4066    MarkdownStyle {
4067        base_text_style: TextStyle {
4068            ..default_md_style.base_text_style
4069        },
4070        selection_background_color: cx.theme().colors().element_selection_background,
4071        ..Default::default()
4072    }
4073}
4074
4075#[cfg(test)]
4076pub(crate) mod tests {
4077    use acp_thread::StubAgentConnection;
4078    use agent::{TextThreadStore, ThreadStore};
4079    use agent_client_protocol::SessionId;
4080    use assistant_context::ContextStore;
4081    use editor::EditorSettings;
4082    use fs::FakeFs;
4083    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4084    use project::Project;
4085    use serde_json::json;
4086    use settings::SettingsStore;
4087    use std::any::Any;
4088    use std::path::Path;
4089    use workspace::Item;
4090
4091    use super::*;
4092
4093    #[gpui::test]
4094    async fn test_drop(cx: &mut TestAppContext) {
4095        init_test(cx);
4096
4097        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4098        let weak_view = thread_view.downgrade();
4099        drop(thread_view);
4100        assert!(!weak_view.is_upgradable());
4101    }
4102
4103    #[gpui::test]
4104    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4105        init_test(cx);
4106
4107        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4108
4109        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4110        message_editor.update_in(cx, |editor, window, cx| {
4111            editor.set_text("Hello", window, cx);
4112        });
4113
4114        cx.deactivate_window();
4115
4116        thread_view.update_in(cx, |thread_view, window, cx| {
4117            thread_view.send(window, cx);
4118        });
4119
4120        cx.run_until_parked();
4121
4122        assert!(
4123            cx.windows()
4124                .iter()
4125                .any(|window| window.downcast::<AgentNotification>().is_some())
4126        );
4127    }
4128
4129    #[gpui::test]
4130    async fn test_notification_for_error(cx: &mut TestAppContext) {
4131        init_test(cx);
4132
4133        let (thread_view, cx) =
4134            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4135
4136        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4137        message_editor.update_in(cx, |editor, window, cx| {
4138            editor.set_text("Hello", window, cx);
4139        });
4140
4141        cx.deactivate_window();
4142
4143        thread_view.update_in(cx, |thread_view, window, cx| {
4144            thread_view.send(window, cx);
4145        });
4146
4147        cx.run_until_parked();
4148
4149        assert!(
4150            cx.windows()
4151                .iter()
4152                .any(|window| window.downcast::<AgentNotification>().is_some())
4153        );
4154    }
4155
4156    #[gpui::test]
4157    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4158        init_test(cx);
4159
4160        let tool_call_id = acp::ToolCallId("1".into());
4161        let tool_call = acp::ToolCall {
4162            id: tool_call_id.clone(),
4163            title: "Label".into(),
4164            kind: acp::ToolKind::Edit,
4165            status: acp::ToolCallStatus::Pending,
4166            content: vec!["hi".into()],
4167            locations: vec![],
4168            raw_input: None,
4169            raw_output: None,
4170        };
4171        let connection =
4172            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
4173                tool_call_id,
4174                vec![acp::PermissionOption {
4175                    id: acp::PermissionOptionId("1".into()),
4176                    name: "Allow".into(),
4177                    kind: acp::PermissionOptionKind::AllowOnce,
4178                }],
4179            )]));
4180
4181        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
4182
4183        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4184
4185        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4186        message_editor.update_in(cx, |editor, window, cx| {
4187            editor.set_text("Hello", window, cx);
4188        });
4189
4190        cx.deactivate_window();
4191
4192        thread_view.update_in(cx, |thread_view, window, cx| {
4193            thread_view.send(window, cx);
4194        });
4195
4196        cx.run_until_parked();
4197
4198        assert!(
4199            cx.windows()
4200                .iter()
4201                .any(|window| window.downcast::<AgentNotification>().is_some())
4202        );
4203    }
4204
4205    async fn setup_thread_view(
4206        agent: impl AgentServer + 'static,
4207        cx: &mut TestAppContext,
4208    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
4209        let fs = FakeFs::new(cx.executor());
4210        let project = Project::test(fs, [], cx).await;
4211        let (workspace, cx) =
4212            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4213
4214        let thread_store =
4215            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
4216        let text_thread_store =
4217            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
4218        let context_store =
4219            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4220        let history_store =
4221            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4222
4223        let thread_view = cx.update(|window, cx| {
4224            cx.new(|cx| {
4225                AcpThreadView::new(
4226                    Rc::new(agent),
4227                    None,
4228                    workspace.downgrade(),
4229                    project,
4230                    history_store,
4231                    thread_store.clone(),
4232                    text_thread_store.clone(),
4233                    window,
4234                    cx,
4235                )
4236            })
4237        });
4238        cx.run_until_parked();
4239        (thread_view, cx)
4240    }
4241
4242    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
4243        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4244
4245        workspace
4246            .update_in(cx, |workspace, window, cx| {
4247                workspace.add_item_to_active_pane(
4248                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
4249                    None,
4250                    true,
4251                    window,
4252                    cx,
4253                );
4254            })
4255            .unwrap();
4256    }
4257
4258    struct ThreadViewItem(Entity<AcpThreadView>);
4259
4260    impl Item for ThreadViewItem {
4261        type Event = ();
4262
4263        fn include_in_nav_history() -> bool {
4264            false
4265        }
4266
4267        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4268            "Test".into()
4269        }
4270    }
4271
4272    impl EventEmitter<()> for ThreadViewItem {}
4273
4274    impl Focusable for ThreadViewItem {
4275        fn focus_handle(&self, cx: &App) -> FocusHandle {
4276            self.0.read(cx).focus_handle(cx).clone()
4277        }
4278    }
4279
4280    impl Render for ThreadViewItem {
4281        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4282            self.0.clone().into_any_element()
4283        }
4284    }
4285
4286    struct StubAgentServer<C> {
4287        connection: C,
4288    }
4289
4290    impl<C> StubAgentServer<C> {
4291        fn new(connection: C) -> Self {
4292            Self { connection }
4293        }
4294    }
4295
4296    impl StubAgentServer<StubAgentConnection> {
4297        fn default_response() -> Self {
4298            let conn = StubAgentConnection::new();
4299            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4300                content: "Default response".into(),
4301            }]);
4302            Self::new(conn)
4303        }
4304    }
4305
4306    impl<C> AgentServer for StubAgentServer<C>
4307    where
4308        C: 'static + AgentConnection + Send + Clone,
4309    {
4310        fn logo(&self) -> ui::IconName {
4311            ui::IconName::Ai
4312        }
4313
4314        fn name(&self) -> &'static str {
4315            "Test"
4316        }
4317
4318        fn empty_state_headline(&self) -> &'static str {
4319            "Test"
4320        }
4321
4322        fn empty_state_message(&self) -> &'static str {
4323            "Test"
4324        }
4325
4326        fn connect(
4327            &self,
4328            _root_dir: &Path,
4329            _project: &Entity<Project>,
4330            _cx: &mut App,
4331        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4332            Task::ready(Ok(Rc::new(self.connection.clone())))
4333        }
4334
4335        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4336            self
4337        }
4338    }
4339
4340    #[derive(Clone)]
4341    struct SaboteurAgentConnection;
4342
4343    impl AgentConnection for SaboteurAgentConnection {
4344        fn new_thread(
4345            self: Rc<Self>,
4346            project: Entity<Project>,
4347            _cwd: &Path,
4348            cx: &mut gpui::App,
4349        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4350            Task::ready(Ok(cx.new(|cx| {
4351                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4352                AcpThread::new(
4353                    "SaboteurAgentConnection",
4354                    self,
4355                    project,
4356                    action_log,
4357                    SessionId("test".into()),
4358                )
4359            })))
4360        }
4361
4362        fn auth_methods(&self) -> &[acp::AuthMethod] {
4363            &[]
4364        }
4365
4366        fn authenticate(
4367            &self,
4368            _method_id: acp::AuthMethodId,
4369            _cx: &mut App,
4370        ) -> Task<gpui::Result<()>> {
4371            unimplemented!()
4372        }
4373
4374        fn prompt(
4375            &self,
4376            _id: Option<acp_thread::UserMessageId>,
4377            _params: acp::PromptRequest,
4378            _cx: &mut App,
4379        ) -> Task<gpui::Result<acp::PromptResponse>> {
4380            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4381        }
4382
4383        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4384            unimplemented!()
4385        }
4386
4387        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4388            self
4389        }
4390    }
4391
4392    pub(crate) fn init_test(cx: &mut TestAppContext) {
4393        cx.update(|cx| {
4394            let settings_store = SettingsStore::test(cx);
4395            cx.set_global(settings_store);
4396            language::init(cx);
4397            Project::init_settings(cx);
4398            AgentSettings::register(cx);
4399            workspace::init_settings(cx);
4400            ThemeSettings::register(cx);
4401            release_channel::init(SemanticVersion::default(), cx);
4402            EditorSettings::register(cx);
4403        });
4404    }
4405
4406    #[gpui::test]
4407    async fn test_rewind_views(cx: &mut TestAppContext) {
4408        init_test(cx);
4409
4410        let fs = FakeFs::new(cx.executor());
4411        fs.insert_tree(
4412            "/project",
4413            json!({
4414                "test1.txt": "old content 1",
4415                "test2.txt": "old content 2"
4416            }),
4417        )
4418        .await;
4419        let project = Project::test(fs, [Path::new("/project")], cx).await;
4420        let (workspace, cx) =
4421            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4422
4423        let thread_store =
4424            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
4425        let text_thread_store =
4426            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
4427        let context_store =
4428            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4429        let history_store =
4430            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4431
4432        let connection = Rc::new(StubAgentConnection::new());
4433        let thread_view = cx.update(|window, cx| {
4434            cx.new(|cx| {
4435                AcpThreadView::new(
4436                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4437                    None,
4438                    workspace.downgrade(),
4439                    project.clone(),
4440                    history_store.clone(),
4441                    thread_store.clone(),
4442                    text_thread_store.clone(),
4443                    window,
4444                    cx,
4445                )
4446            })
4447        });
4448
4449        cx.run_until_parked();
4450
4451        let thread = thread_view
4452            .read_with(cx, |view, _| view.thread().cloned())
4453            .unwrap();
4454
4455        // First user message
4456        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4457            id: acp::ToolCallId("tool1".into()),
4458            title: "Edit file 1".into(),
4459            kind: acp::ToolKind::Edit,
4460            status: acp::ToolCallStatus::Completed,
4461            content: vec![acp::ToolCallContent::Diff {
4462                diff: acp::Diff {
4463                    path: "/project/test1.txt".into(),
4464                    old_text: Some("old content 1".into()),
4465                    new_text: "new content 1".into(),
4466                },
4467            }],
4468            locations: vec![],
4469            raw_input: None,
4470            raw_output: None,
4471        })]);
4472
4473        thread
4474            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4475            .await
4476            .unwrap();
4477        cx.run_until_parked();
4478
4479        thread.read_with(cx, |thread, _| {
4480            assert_eq!(thread.entries().len(), 2);
4481        });
4482
4483        thread_view.read_with(cx, |view, cx| {
4484            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4485                assert!(
4486                    entry_view_state
4487                        .entry(0)
4488                        .unwrap()
4489                        .message_editor()
4490                        .is_some()
4491                );
4492                assert!(entry_view_state.entry(1).unwrap().has_content());
4493            });
4494        });
4495
4496        // Second user message
4497        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4498            id: acp::ToolCallId("tool2".into()),
4499            title: "Edit file 2".into(),
4500            kind: acp::ToolKind::Edit,
4501            status: acp::ToolCallStatus::Completed,
4502            content: vec![acp::ToolCallContent::Diff {
4503                diff: acp::Diff {
4504                    path: "/project/test2.txt".into(),
4505                    old_text: Some("old content 2".into()),
4506                    new_text: "new content 2".into(),
4507                },
4508            }],
4509            locations: vec![],
4510            raw_input: None,
4511            raw_output: None,
4512        })]);
4513
4514        thread
4515            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4516            .await
4517            .unwrap();
4518        cx.run_until_parked();
4519
4520        let second_user_message_id = thread.read_with(cx, |thread, _| {
4521            assert_eq!(thread.entries().len(), 4);
4522            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4523                panic!();
4524            };
4525            user_message.id.clone().unwrap()
4526        });
4527
4528        thread_view.read_with(cx, |view, cx| {
4529            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4530                assert!(
4531                    entry_view_state
4532                        .entry(0)
4533                        .unwrap()
4534                        .message_editor()
4535                        .is_some()
4536                );
4537                assert!(entry_view_state.entry(1).unwrap().has_content());
4538                assert!(
4539                    entry_view_state
4540                        .entry(2)
4541                        .unwrap()
4542                        .message_editor()
4543                        .is_some()
4544                );
4545                assert!(entry_view_state.entry(3).unwrap().has_content());
4546            });
4547        });
4548
4549        // Rewind to first message
4550        thread
4551            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4552            .await
4553            .unwrap();
4554
4555        cx.run_until_parked();
4556
4557        thread.read_with(cx, |thread, _| {
4558            assert_eq!(thread.entries().len(), 2);
4559        });
4560
4561        thread_view.read_with(cx, |view, cx| {
4562            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4563                assert!(
4564                    entry_view_state
4565                        .entry(0)
4566                        .unwrap()
4567                        .message_editor()
4568                        .is_some()
4569                );
4570                assert!(entry_view_state.entry(1).unwrap().has_content());
4571
4572                // Old views should be dropped
4573                assert!(entry_view_state.entry(2).is_none());
4574                assert!(entry_view_state.entry(3).is_none());
4575            });
4576        });
4577    }
4578
4579    #[gpui::test]
4580    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4581        init_test(cx);
4582
4583        let connection = StubAgentConnection::new();
4584
4585        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4586            content: acp::ContentBlock::Text(acp::TextContent {
4587                text: "Response".into(),
4588                annotations: None,
4589            }),
4590        }]);
4591
4592        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4593        add_to_workspace(thread_view.clone(), cx);
4594
4595        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4596        message_editor.update_in(cx, |editor, window, cx| {
4597            editor.set_text("Original message to edit", window, cx);
4598        });
4599        thread_view.update_in(cx, |thread_view, window, cx| {
4600            thread_view.send(window, cx);
4601        });
4602
4603        cx.run_until_parked();
4604
4605        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4606            assert_eq!(view.editing_message, None);
4607
4608            view.entry_view_state
4609                .read(cx)
4610                .entry(0)
4611                .unwrap()
4612                .message_editor()
4613                .unwrap()
4614                .clone()
4615        });
4616
4617        // Focus
4618        cx.focus(&user_message_editor);
4619        thread_view.read_with(cx, |view, _cx| {
4620            assert_eq!(view.editing_message, Some(0));
4621        });
4622
4623        // Edit
4624        user_message_editor.update_in(cx, |editor, window, cx| {
4625            editor.set_text("Edited message content", window, cx);
4626        });
4627
4628        // Cancel
4629        user_message_editor.update_in(cx, |_editor, window, cx| {
4630            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4631        });
4632
4633        thread_view.read_with(cx, |view, _cx| {
4634            assert_eq!(view.editing_message, None);
4635        });
4636
4637        user_message_editor.read_with(cx, |editor, cx| {
4638            assert_eq!(editor.text(cx), "Original message to edit");
4639        });
4640    }
4641
4642    #[gpui::test]
4643    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
4644        init_test(cx);
4645
4646        let connection = StubAgentConnection::new();
4647
4648        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4649        add_to_workspace(thread_view.clone(), cx);
4650
4651        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4652        let mut events = cx.events(&message_editor);
4653        message_editor.update_in(cx, |editor, window, cx| {
4654            editor.set_text("", window, cx);
4655        });
4656
4657        message_editor.update_in(cx, |_editor, window, cx| {
4658            window.dispatch_action(Box::new(Chat), cx);
4659        });
4660        cx.run_until_parked();
4661        // We shouldn't have received any messages
4662        assert!(matches!(
4663            events.try_next(),
4664            Err(futures::channel::mpsc::TryRecvError { .. })
4665        ));
4666    }
4667
4668    #[gpui::test]
4669    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4670        init_test(cx);
4671
4672        let connection = StubAgentConnection::new();
4673
4674        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4675            content: acp::ContentBlock::Text(acp::TextContent {
4676                text: "Response".into(),
4677                annotations: None,
4678            }),
4679        }]);
4680
4681        let (thread_view, cx) =
4682            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4683        add_to_workspace(thread_view.clone(), cx);
4684
4685        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4686        message_editor.update_in(cx, |editor, window, cx| {
4687            editor.set_text("Original message to edit", window, cx);
4688        });
4689        thread_view.update_in(cx, |thread_view, window, cx| {
4690            thread_view.send(window, cx);
4691        });
4692
4693        cx.run_until_parked();
4694
4695        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4696            assert_eq!(view.editing_message, None);
4697            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
4698
4699            view.entry_view_state
4700                .read(cx)
4701                .entry(0)
4702                .unwrap()
4703                .message_editor()
4704                .unwrap()
4705                .clone()
4706        });
4707
4708        // Focus
4709        cx.focus(&user_message_editor);
4710
4711        // Edit
4712        user_message_editor.update_in(cx, |editor, window, cx| {
4713            editor.set_text("Edited message content", window, cx);
4714        });
4715
4716        // Send
4717        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4718            content: acp::ContentBlock::Text(acp::TextContent {
4719                text: "New Response".into(),
4720                annotations: None,
4721            }),
4722        }]);
4723
4724        user_message_editor.update_in(cx, |_editor, window, cx| {
4725            window.dispatch_action(Box::new(Chat), cx);
4726        });
4727
4728        cx.run_until_parked();
4729
4730        thread_view.read_with(cx, |view, cx| {
4731            assert_eq!(view.editing_message, None);
4732
4733            let entries = view.thread().unwrap().read(cx).entries();
4734            assert_eq!(entries.len(), 2);
4735            assert_eq!(
4736                entries[0].to_markdown(cx),
4737                "## User\n\nEdited message content\n\n"
4738            );
4739            assert_eq!(
4740                entries[1].to_markdown(cx),
4741                "## Assistant\n\nNew Response\n\n"
4742            );
4743
4744            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
4745                assert!(!state.entry(1).unwrap().has_content());
4746                state.entry(0).unwrap().message_editor().unwrap().clone()
4747            });
4748
4749            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4750        })
4751    }
4752
4753    #[gpui::test]
4754    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4755        init_test(cx);
4756
4757        let connection = StubAgentConnection::new();
4758
4759        let (thread_view, cx) =
4760            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4761        add_to_workspace(thread_view.clone(), cx);
4762
4763        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4764        message_editor.update_in(cx, |editor, window, cx| {
4765            editor.set_text("Original message to edit", window, cx);
4766        });
4767        thread_view.update_in(cx, |thread_view, window, cx| {
4768            thread_view.send(window, cx);
4769        });
4770
4771        cx.run_until_parked();
4772
4773        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
4774            let thread = view.thread().unwrap().read(cx);
4775            assert_eq!(thread.entries().len(), 1);
4776
4777            let editor = view
4778                .entry_view_state
4779                .read(cx)
4780                .entry(0)
4781                .unwrap()
4782                .message_editor()
4783                .unwrap()
4784                .clone();
4785
4786            (editor, thread.session_id().clone())
4787        });
4788
4789        // Focus
4790        cx.focus(&user_message_editor);
4791
4792        thread_view.read_with(cx, |view, _cx| {
4793            assert_eq!(view.editing_message, Some(0));
4794        });
4795
4796        // Edit
4797        user_message_editor.update_in(cx, |editor, window, cx| {
4798            editor.set_text("Edited message content", window, cx);
4799        });
4800
4801        thread_view.read_with(cx, |view, _cx| {
4802            assert_eq!(view.editing_message, Some(0));
4803        });
4804
4805        // Finish streaming response
4806        cx.update(|_, cx| {
4807            connection.send_update(
4808                session_id.clone(),
4809                acp::SessionUpdate::AgentMessageChunk {
4810                    content: acp::ContentBlock::Text(acp::TextContent {
4811                        text: "Response".into(),
4812                        annotations: None,
4813                    }),
4814                },
4815                cx,
4816            );
4817            connection.end_turn(session_id, acp::StopReason::EndTurn);
4818        });
4819
4820        thread_view.read_with(cx, |view, _cx| {
4821            assert_eq!(view.editing_message, Some(0));
4822        });
4823
4824        cx.run_until_parked();
4825
4826        // Should still be editing
4827        cx.update(|window, cx| {
4828            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4829            assert_eq!(thread_view.read(cx).editing_message, Some(0));
4830            assert_eq!(
4831                user_message_editor.read(cx).text(cx),
4832                "Edited message content"
4833            );
4834        });
4835    }
4836
4837    #[gpui::test]
4838    async fn test_interrupt(cx: &mut TestAppContext) {
4839        init_test(cx);
4840
4841        let connection = StubAgentConnection::new();
4842
4843        let (thread_view, cx) =
4844            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4845        add_to_workspace(thread_view.clone(), cx);
4846
4847        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4848        message_editor.update_in(cx, |editor, window, cx| {
4849            editor.set_text("Message 1", window, cx);
4850        });
4851        thread_view.update_in(cx, |thread_view, window, cx| {
4852            thread_view.send(window, cx);
4853        });
4854
4855        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
4856            let thread = view.thread().unwrap();
4857
4858            (thread.clone(), thread.read(cx).session_id().clone())
4859        });
4860
4861        cx.run_until_parked();
4862
4863        cx.update(|_, cx| {
4864            connection.send_update(
4865                session_id.clone(),
4866                acp::SessionUpdate::AgentMessageChunk {
4867                    content: "Message 1 resp".into(),
4868                },
4869                cx,
4870            );
4871        });
4872
4873        cx.run_until_parked();
4874
4875        thread.read_with(cx, |thread, cx| {
4876            assert_eq!(
4877                thread.to_markdown(cx),
4878                indoc::indoc! {"
4879                    ## User
4880
4881                    Message 1
4882
4883                    ## Assistant
4884
4885                    Message 1 resp
4886
4887                "}
4888            )
4889        });
4890
4891        message_editor.update_in(cx, |editor, window, cx| {
4892            editor.set_text("Message 2", window, cx);
4893        });
4894        thread_view.update_in(cx, |thread_view, window, cx| {
4895            thread_view.send(window, cx);
4896        });
4897
4898        cx.update(|_, cx| {
4899            // Simulate a response sent after beginning to cancel
4900            connection.send_update(
4901                session_id.clone(),
4902                acp::SessionUpdate::AgentMessageChunk {
4903                    content: "onse".into(),
4904                },
4905                cx,
4906            );
4907        });
4908
4909        cx.run_until_parked();
4910
4911        // Last Message 1 response should appear before Message 2
4912        thread.read_with(cx, |thread, cx| {
4913            assert_eq!(
4914                thread.to_markdown(cx),
4915                indoc::indoc! {"
4916                    ## User
4917
4918                    Message 1
4919
4920                    ## Assistant
4921
4922                    Message 1 response
4923
4924                    ## User
4925
4926                    Message 2
4927
4928                "}
4929            )
4930        });
4931
4932        cx.update(|_, cx| {
4933            connection.send_update(
4934                session_id.clone(),
4935                acp::SessionUpdate::AgentMessageChunk {
4936                    content: "Message 2 response".into(),
4937                },
4938                cx,
4939            );
4940            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
4941        });
4942
4943        cx.run_until_parked();
4944
4945        thread.read_with(cx, |thread, cx| {
4946            assert_eq!(
4947                thread.to_markdown(cx),
4948                indoc::indoc! {"
4949                    ## User
4950
4951                    Message 1
4952
4953                    ## Assistant
4954
4955                    Message 1 response
4956
4957                    ## User
4958
4959                    Message 2
4960
4961                    ## Assistant
4962
4963                    Message 2 response
4964
4965                "}
4966            )
4967        });
4968    }
4969}