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                            .w_full()
2060                            .child(
2061                                Icon::new(IconName::Reader)
2062                                    .size(IconSize::XSmall)
2063                                    .color(Color::Disabled),
2064                            )
2065                            .child(
2066                                Label::new(user_rules_text)
2067                                    .size(LabelSize::XSmall)
2068                                    .color(Color::Muted)
2069                                    .truncate()
2070                                    .buffer_font(cx)
2071                                    .ml_1p5()
2072                                    .mr_0p5(),
2073                            )
2074                            .child(
2075                                IconButton::new("open-prompt-library", IconName::ArrowUpRight)
2076                                    .shape(ui::IconButtonShape::Square)
2077                                    .icon_size(IconSize::XSmall)
2078                                    .icon_color(Color::Ignored)
2079                                    .visible_on_hover("user-rules")
2080                                    // TODO: Figure out a way to pass focus handle here so we can display the `OpenRulesLibrary`  keybinding
2081                                    .tooltip(Tooltip::text("View User Rules"))
2082                                    .on_click(move |_event, window, cx| {
2083                                        window.dispatch_action(
2084                                            Box::new(OpenRulesLibrary {
2085                                                prompt_to_select: first_user_rules_id,
2086                                            }),
2087                                            cx,
2088                                        )
2089                                    }),
2090                            ),
2091                    )
2092                })
2093                .when_some(rules_file_text, |parent, rules_file_text| {
2094                    parent.child(
2095                        h_flex()
2096                            .group("project-rules")
2097                            .w_full()
2098                            .child(
2099                                Icon::new(IconName::File)
2100                                    .size(IconSize::XSmall)
2101                                    .color(Color::Disabled),
2102                            )
2103                            .child(
2104                                Label::new(rules_file_text)
2105                                    .size(LabelSize::XSmall)
2106                                    .color(Color::Muted)
2107                                    .buffer_font(cx)
2108                                    .ml_1p5()
2109                                    .mr_0p5(),
2110                            )
2111                            .child(
2112                                IconButton::new("open-rule", IconName::ArrowUpRight)
2113                                    .shape(ui::IconButtonShape::Square)
2114                                    .icon_size(IconSize::XSmall)
2115                                    .icon_color(Color::Ignored)
2116                                    .on_click(cx.listener(Self::handle_open_rules))
2117                                    .visible_on_hover("project-rules")
2118                                    .tooltip(Tooltip::text("View Project Rules")),
2119                            ),
2120                    )
2121                })
2122                .into_any(),
2123        )
2124    }
2125
2126    fn render_empty_state(&self, cx: &App) -> AnyElement {
2127        let loading = matches!(&self.thread_state, ThreadState::Loading { .. });
2128
2129        v_flex()
2130            .size_full()
2131            .items_center()
2132            .justify_center()
2133            .child(if loading {
2134                h_flex()
2135                    .justify_center()
2136                    .child(self.render_agent_logo())
2137                    .with_animation(
2138                        "pulsating_icon",
2139                        Animation::new(Duration::from_secs(2))
2140                            .repeat()
2141                            .with_easing(pulsating_between(0.4, 1.0)),
2142                        |icon, delta| icon.opacity(delta),
2143                    )
2144                    .into_any()
2145            } else {
2146                self.render_agent_logo().into_any_element()
2147            })
2148            .child(h_flex().mt_4().mb_1().justify_center().child(if loading {
2149                div()
2150                    .child(LoadingLabel::new("").size(LabelSize::Large))
2151                    .into_any_element()
2152            } else {
2153                Headline::new(self.agent.empty_state_headline())
2154                    .size(HeadlineSize::Medium)
2155                    .into_any_element()
2156            }))
2157            .child(
2158                div()
2159                    .max_w_1_2()
2160                    .text_sm()
2161                    .text_center()
2162                    .map(|this| {
2163                        if loading {
2164                            this.invisible()
2165                        } else {
2166                            this.text_color(cx.theme().colors().text_muted)
2167                        }
2168                    })
2169                    .child(self.agent.empty_state_message()),
2170            )
2171            .into_any()
2172    }
2173
2174    fn render_auth_required_state(
2175        &self,
2176        connection: &Rc<dyn AgentConnection>,
2177        description: Option<&Entity<Markdown>>,
2178        configuration_view: Option<&AnyView>,
2179        window: &mut Window,
2180        cx: &Context<Self>,
2181    ) -> Div {
2182        v_flex()
2183            .p_2()
2184            .gap_2()
2185            .flex_1()
2186            .items_center()
2187            .justify_center()
2188            .child(
2189                v_flex()
2190                    .items_center()
2191                    .justify_center()
2192                    .child(self.render_error_agent_logo())
2193                    .child(h_flex().mt_4().mb_1().justify_center().child(
2194                        Headline::new(self.agent.empty_state_headline()).size(HeadlineSize::Medium),
2195                    ))
2196                    .into_any(),
2197            )
2198            .children(description.map(|desc| {
2199                div().text_ui(cx).text_center().child(
2200                    self.render_markdown(desc.clone(), default_markdown_style(false, window, cx)),
2201                )
2202            }))
2203            .children(
2204                configuration_view
2205                    .cloned()
2206                    .map(|view| div().px_4().w_full().max_w_128().child(view)),
2207            )
2208            .child(h_flex().mt_1p5().justify_center().children(
2209                connection.auth_methods().iter().map(|method| {
2210                    Button::new(SharedString::from(method.id.0.clone()), method.name.clone())
2211                        .on_click({
2212                            let method_id = method.id.clone();
2213                            cx.listener(move |this, _, window, cx| {
2214                                this.authenticate(method_id.clone(), window, cx)
2215                            })
2216                        })
2217                }),
2218            ))
2219    }
2220
2221    fn render_load_error(&self, e: &LoadError, cx: &Context<Self>) -> AnyElement {
2222        let mut container = v_flex()
2223            .items_center()
2224            .justify_center()
2225            .child(self.render_error_agent_logo())
2226            .child(
2227                v_flex()
2228                    .mt_4()
2229                    .mb_2()
2230                    .gap_0p5()
2231                    .text_center()
2232                    .items_center()
2233                    .child(Headline::new("Failed to launch").size(HeadlineSize::Medium))
2234                    .child(
2235                        Label::new(e.to_string())
2236                            .size(LabelSize::Small)
2237                            .color(Color::Muted),
2238                    ),
2239            );
2240
2241        if let LoadError::Unsupported {
2242            upgrade_message,
2243            upgrade_command,
2244            ..
2245        } = &e
2246        {
2247            let upgrade_message = upgrade_message.clone();
2248            let upgrade_command = upgrade_command.clone();
2249            container = container.child(
2250                Button::new("upgrade", upgrade_message)
2251                    .tooltip(Tooltip::text(upgrade_command.clone()))
2252                    .on_click(cx.listener(move |this, _, window, cx| {
2253                        let task = this
2254                            .workspace
2255                            .update(cx, |workspace, cx| {
2256                                let project = workspace.project().read(cx);
2257                                let cwd = project.first_project_directory(cx);
2258                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2259                                let spawn_in_terminal = task::SpawnInTerminal {
2260                                    id: task::TaskId("upgrade".to_string()),
2261                                    full_label: upgrade_command.clone(),
2262                                    label: upgrade_command.clone(),
2263                                    command: Some(upgrade_command.clone()),
2264                                    args: Vec::new(),
2265                                    command_label: upgrade_command.clone(),
2266                                    cwd,
2267                                    env: Default::default(),
2268                                    use_new_terminal: true,
2269                                    allow_concurrent_runs: true,
2270                                    reveal: Default::default(),
2271                                    reveal_target: Default::default(),
2272                                    hide: Default::default(),
2273                                    shell,
2274                                    show_summary: true,
2275                                    show_command: true,
2276                                    show_rerun: false,
2277                                };
2278                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2279                            })
2280                            .ok();
2281                        let Some(task) = task else { return };
2282                        cx.spawn_in(window, async move |this, cx| {
2283                            if let Some(Ok(_)) = task.await {
2284                                this.update_in(cx, |this, window, cx| {
2285                                    this.reset(window, cx);
2286                                })
2287                                .ok();
2288                            }
2289                        })
2290                        .detach()
2291                    })),
2292            );
2293        } else if let LoadError::NotInstalled {
2294            install_message,
2295            install_command,
2296            ..
2297        } = e
2298        {
2299            let install_message = install_message.clone();
2300            let install_command = install_command.clone();
2301            container = container.child(
2302                Button::new("install", install_message)
2303                    .tooltip(Tooltip::text(install_command.clone()))
2304                    .on_click(cx.listener(move |this, _, window, cx| {
2305                        let task = this
2306                            .workspace
2307                            .update(cx, |workspace, cx| {
2308                                let project = workspace.project().read(cx);
2309                                let cwd = project.first_project_directory(cx);
2310                                let shell = project.terminal_settings(&cwd, cx).shell.clone();
2311                                let spawn_in_terminal = task::SpawnInTerminal {
2312                                    id: task::TaskId("install".to_string()),
2313                                    full_label: install_command.clone(),
2314                                    label: install_command.clone(),
2315                                    command: Some(install_command.clone()),
2316                                    args: Vec::new(),
2317                                    command_label: install_command.clone(),
2318                                    cwd,
2319                                    env: Default::default(),
2320                                    use_new_terminal: true,
2321                                    allow_concurrent_runs: true,
2322                                    reveal: Default::default(),
2323                                    reveal_target: Default::default(),
2324                                    hide: Default::default(),
2325                                    shell,
2326                                    show_summary: true,
2327                                    show_command: true,
2328                                    show_rerun: false,
2329                                };
2330                                workspace.spawn_in_terminal(spawn_in_terminal, window, cx)
2331                            })
2332                            .ok();
2333                        let Some(task) = task else { return };
2334                        cx.spawn_in(window, async move |this, cx| {
2335                            if let Some(Ok(_)) = task.await {
2336                                this.update_in(cx, |this, window, cx| {
2337                                    this.reset(window, cx);
2338                                })
2339                                .ok();
2340                            }
2341                        })
2342                        .detach()
2343                    })),
2344            );
2345        }
2346
2347        container.into_any()
2348    }
2349
2350    fn render_activity_bar(
2351        &self,
2352        thread_entity: &Entity<AcpThread>,
2353        window: &mut Window,
2354        cx: &Context<Self>,
2355    ) -> Option<AnyElement> {
2356        let thread = thread_entity.read(cx);
2357        let action_log = thread.action_log();
2358        let changed_buffers = action_log.read(cx).changed_buffers(cx);
2359        let plan = thread.plan();
2360
2361        if changed_buffers.is_empty() && plan.is_empty() {
2362            return None;
2363        }
2364
2365        let editor_bg_color = cx.theme().colors().editor_background;
2366        let active_color = cx.theme().colors().element_selected;
2367        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
2368
2369        let pending_edits = thread.has_pending_edit_tool_calls();
2370
2371        v_flex()
2372            .mt_1()
2373            .mx_2()
2374            .bg(bg_edit_files_disclosure)
2375            .border_1()
2376            .border_b_0()
2377            .border_color(cx.theme().colors().border)
2378            .rounded_t_md()
2379            .shadow(vec![gpui::BoxShadow {
2380                color: gpui::black().opacity(0.15),
2381                offset: point(px(1.), px(-1.)),
2382                blur_radius: px(3.),
2383                spread_radius: px(0.),
2384            }])
2385            .when(!plan.is_empty(), |this| {
2386                this.child(self.render_plan_summary(plan, window, cx))
2387                    .when(self.plan_expanded, |parent| {
2388                        parent.child(self.render_plan_entries(plan, window, cx))
2389                    })
2390            })
2391            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
2392                this.child(Divider::horizontal().color(DividerColor::Border))
2393            })
2394            .when(!changed_buffers.is_empty(), |this| {
2395                this.child(self.render_edits_summary(
2396                    action_log,
2397                    &changed_buffers,
2398                    self.edits_expanded,
2399                    pending_edits,
2400                    window,
2401                    cx,
2402                ))
2403                .when(self.edits_expanded, |parent| {
2404                    parent.child(self.render_edited_files(
2405                        action_log,
2406                        &changed_buffers,
2407                        pending_edits,
2408                        cx,
2409                    ))
2410                })
2411            })
2412            .into_any()
2413            .into()
2414    }
2415
2416    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2417        let stats = plan.stats();
2418
2419        let title = if let Some(entry) = stats.in_progress_entry
2420            && !self.plan_expanded
2421        {
2422            h_flex()
2423                .w_full()
2424                .cursor_default()
2425                .gap_1()
2426                .text_xs()
2427                .text_color(cx.theme().colors().text_muted)
2428                .justify_between()
2429                .child(
2430                    h_flex()
2431                        .gap_1()
2432                        .child(
2433                            Label::new("Current:")
2434                                .size(LabelSize::Small)
2435                                .color(Color::Muted),
2436                        )
2437                        .child(MarkdownElement::new(
2438                            entry.content.clone(),
2439                            plan_label_markdown_style(&entry.status, window, cx),
2440                        )),
2441                )
2442                .when(stats.pending > 0, |this| {
2443                    this.child(
2444                        Label::new(format!("{} left", stats.pending))
2445                            .size(LabelSize::Small)
2446                            .color(Color::Muted)
2447                            .mr_1(),
2448                    )
2449                })
2450        } else {
2451            let status_label = if stats.pending == 0 {
2452                "All Done".to_string()
2453            } else if stats.completed == 0 {
2454                format!("{} Tasks", plan.entries.len())
2455            } else {
2456                format!("{}/{}", stats.completed, plan.entries.len())
2457            };
2458
2459            h_flex()
2460                .w_full()
2461                .gap_1()
2462                .justify_between()
2463                .child(
2464                    Label::new("Plan")
2465                        .size(LabelSize::Small)
2466                        .color(Color::Muted),
2467                )
2468                .child(
2469                    Label::new(status_label)
2470                        .size(LabelSize::Small)
2471                        .color(Color::Muted)
2472                        .mr_1(),
2473                )
2474        };
2475
2476        h_flex()
2477            .p_1()
2478            .justify_between()
2479            .when(self.plan_expanded, |this| {
2480                this.border_b_1().border_color(cx.theme().colors().border)
2481            })
2482            .child(
2483                h_flex()
2484                    .id("plan_summary")
2485                    .w_full()
2486                    .gap_1()
2487                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
2488                    .child(title)
2489                    .on_click(cx.listener(|this, _, _, cx| {
2490                        this.plan_expanded = !this.plan_expanded;
2491                        cx.notify();
2492                    })),
2493            )
2494    }
2495
2496    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
2497        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
2498            let element = h_flex()
2499                .py_1()
2500                .px_2()
2501                .gap_2()
2502                .justify_between()
2503                .bg(cx.theme().colors().editor_background)
2504                .when(index < plan.entries.len() - 1, |parent| {
2505                    parent.border_color(cx.theme().colors().border).border_b_1()
2506                })
2507                .child(
2508                    h_flex()
2509                        .id(("plan_entry", index))
2510                        .gap_1p5()
2511                        .max_w_full()
2512                        .overflow_x_scroll()
2513                        .text_xs()
2514                        .text_color(cx.theme().colors().text_muted)
2515                        .child(match entry.status {
2516                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
2517                                .size(IconSize::Small)
2518                                .color(Color::Muted)
2519                                .into_any_element(),
2520                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
2521                                .size(IconSize::Small)
2522                                .color(Color::Accent)
2523                                .with_animation(
2524                                    "running",
2525                                    Animation::new(Duration::from_secs(2)).repeat(),
2526                                    |icon, delta| {
2527                                        icon.transform(Transformation::rotate(percentage(delta)))
2528                                    },
2529                                )
2530                                .into_any_element(),
2531                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
2532                                .size(IconSize::Small)
2533                                .color(Color::Success)
2534                                .into_any_element(),
2535                        })
2536                        .child(MarkdownElement::new(
2537                            entry.content.clone(),
2538                            plan_label_markdown_style(&entry.status, window, cx),
2539                        )),
2540                );
2541
2542            Some(element)
2543        }))
2544    }
2545
2546    fn render_edits_summary(
2547        &self,
2548        action_log: &Entity<ActionLog>,
2549        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2550        expanded: bool,
2551        pending_edits: bool,
2552        window: &mut Window,
2553        cx: &Context<Self>,
2554    ) -> Div {
2555        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
2556
2557        let focus_handle = self.focus_handle(cx);
2558
2559        h_flex()
2560            .p_1()
2561            .justify_between()
2562            .when(expanded, |this| {
2563                this.border_b_1().border_color(cx.theme().colors().border)
2564            })
2565            .child(
2566                h_flex()
2567                    .id("edits-container")
2568                    .w_full()
2569                    .gap_1()
2570                    .child(Disclosure::new("edits-disclosure", expanded))
2571                    .map(|this| {
2572                        if pending_edits {
2573                            this.child(
2574                                Label::new(format!(
2575                                    "Editing {} {}",
2576                                    changed_buffers.len(),
2577                                    if changed_buffers.len() == 1 {
2578                                        "file"
2579                                    } else {
2580                                        "files"
2581                                    }
2582                                ))
2583                                .color(Color::Muted)
2584                                .size(LabelSize::Small)
2585                                .with_animation(
2586                                    "edit-label",
2587                                    Animation::new(Duration::from_secs(2))
2588                                        .repeat()
2589                                        .with_easing(pulsating_between(0.3, 0.7)),
2590                                    |label, delta| label.alpha(delta),
2591                                ),
2592                            )
2593                        } else {
2594                            this.child(
2595                                Label::new("Edits")
2596                                    .size(LabelSize::Small)
2597                                    .color(Color::Muted),
2598                            )
2599                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
2600                            .child(
2601                                Label::new(format!(
2602                                    "{} {}",
2603                                    changed_buffers.len(),
2604                                    if changed_buffers.len() == 1 {
2605                                        "file"
2606                                    } else {
2607                                        "files"
2608                                    }
2609                                ))
2610                                .size(LabelSize::Small)
2611                                .color(Color::Muted),
2612                            )
2613                        }
2614                    })
2615                    .on_click(cx.listener(|this, _, _, cx| {
2616                        this.edits_expanded = !this.edits_expanded;
2617                        cx.notify();
2618                    })),
2619            )
2620            .child(
2621                h_flex()
2622                    .gap_1()
2623                    .child(
2624                        IconButton::new("review-changes", IconName::ListTodo)
2625                            .icon_size(IconSize::Small)
2626                            .tooltip({
2627                                let focus_handle = focus_handle.clone();
2628                                move |window, cx| {
2629                                    Tooltip::for_action_in(
2630                                        "Review Changes",
2631                                        &OpenAgentDiff,
2632                                        &focus_handle,
2633                                        window,
2634                                        cx,
2635                                    )
2636                                }
2637                            })
2638                            .on_click(cx.listener(|_, _, window, cx| {
2639                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
2640                            })),
2641                    )
2642                    .child(Divider::vertical().color(DividerColor::Border))
2643                    .child(
2644                        Button::new("reject-all-changes", "Reject All")
2645                            .label_size(LabelSize::Small)
2646                            .disabled(pending_edits)
2647                            .when(pending_edits, |this| {
2648                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2649                            })
2650                            .key_binding(
2651                                KeyBinding::for_action_in(
2652                                    &RejectAll,
2653                                    &focus_handle.clone(),
2654                                    window,
2655                                    cx,
2656                                )
2657                                .map(|kb| kb.size(rems_from_px(10.))),
2658                            )
2659                            .on_click({
2660                                let action_log = action_log.clone();
2661                                cx.listener(move |_, _, _, cx| {
2662                                    action_log.update(cx, |action_log, cx| {
2663                                        action_log.reject_all_edits(cx).detach();
2664                                    })
2665                                })
2666                            }),
2667                    )
2668                    .child(
2669                        Button::new("keep-all-changes", "Keep All")
2670                            .label_size(LabelSize::Small)
2671                            .disabled(pending_edits)
2672                            .when(pending_edits, |this| {
2673                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
2674                            })
2675                            .key_binding(
2676                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
2677                                    .map(|kb| kb.size(rems_from_px(10.))),
2678                            )
2679                            .on_click({
2680                                let action_log = action_log.clone();
2681                                cx.listener(move |_, _, _, cx| {
2682                                    action_log.update(cx, |action_log, cx| {
2683                                        action_log.keep_all_edits(cx);
2684                                    })
2685                                })
2686                            }),
2687                    ),
2688            )
2689    }
2690
2691    fn render_edited_files(
2692        &self,
2693        action_log: &Entity<ActionLog>,
2694        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
2695        pending_edits: bool,
2696        cx: &Context<Self>,
2697    ) -> Div {
2698        let editor_bg_color = cx.theme().colors().editor_background;
2699
2700        v_flex().children(changed_buffers.iter().enumerate().flat_map(
2701            |(index, (buffer, _diff))| {
2702                let file = buffer.read(cx).file()?;
2703                let path = file.path();
2704
2705                let file_path = path.parent().and_then(|parent| {
2706                    let parent_str = parent.to_string_lossy();
2707
2708                    if parent_str.is_empty() {
2709                        None
2710                    } else {
2711                        Some(
2712                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
2713                                .color(Color::Muted)
2714                                .size(LabelSize::XSmall)
2715                                .buffer_font(cx),
2716                        )
2717                    }
2718                });
2719
2720                let file_name = path.file_name().map(|name| {
2721                    Label::new(name.to_string_lossy().to_string())
2722                        .size(LabelSize::XSmall)
2723                        .buffer_font(cx)
2724                });
2725
2726                let file_icon = FileIcons::get_icon(path, cx)
2727                    .map(Icon::from_path)
2728                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
2729                    .unwrap_or_else(|| {
2730                        Icon::new(IconName::File)
2731                            .color(Color::Muted)
2732                            .size(IconSize::Small)
2733                    });
2734
2735                let overlay_gradient = linear_gradient(
2736                    90.,
2737                    linear_color_stop(editor_bg_color, 1.),
2738                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
2739                );
2740
2741                let element = h_flex()
2742                    .group("edited-code")
2743                    .id(("file-container", index))
2744                    .relative()
2745                    .py_1()
2746                    .pl_2()
2747                    .pr_1()
2748                    .gap_2()
2749                    .justify_between()
2750                    .bg(editor_bg_color)
2751                    .when(index < changed_buffers.len() - 1, |parent| {
2752                        parent.border_color(cx.theme().colors().border).border_b_1()
2753                    })
2754                    .child(
2755                        h_flex()
2756                            .id(("file-name", index))
2757                            .pr_8()
2758                            .gap_1p5()
2759                            .max_w_full()
2760                            .overflow_x_scroll()
2761                            .child(file_icon)
2762                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
2763                            .on_click({
2764                                let buffer = buffer.clone();
2765                                cx.listener(move |this, _, window, cx| {
2766                                    this.open_edited_buffer(&buffer, window, cx);
2767                                })
2768                            }),
2769                    )
2770                    .child(
2771                        h_flex()
2772                            .gap_1()
2773                            .visible_on_hover("edited-code")
2774                            .child(
2775                                Button::new("review", "Review")
2776                                    .label_size(LabelSize::Small)
2777                                    .on_click({
2778                                        let buffer = buffer.clone();
2779                                        cx.listener(move |this, _, window, cx| {
2780                                            this.open_edited_buffer(&buffer, window, cx);
2781                                        })
2782                                    }),
2783                            )
2784                            .child(Divider::vertical().color(DividerColor::BorderVariant))
2785                            .child(
2786                                Button::new("reject-file", "Reject")
2787                                    .label_size(LabelSize::Small)
2788                                    .disabled(pending_edits)
2789                                    .on_click({
2790                                        let buffer = buffer.clone();
2791                                        let action_log = action_log.clone();
2792                                        move |_, _, cx| {
2793                                            action_log.update(cx, |action_log, cx| {
2794                                                action_log
2795                                                    .reject_edits_in_ranges(
2796                                                        buffer.clone(),
2797                                                        vec![Anchor::MIN..Anchor::MAX],
2798                                                        cx,
2799                                                    )
2800                                                    .detach_and_log_err(cx);
2801                                            })
2802                                        }
2803                                    }),
2804                            )
2805                            .child(
2806                                Button::new("keep-file", "Keep")
2807                                    .label_size(LabelSize::Small)
2808                                    .disabled(pending_edits)
2809                                    .on_click({
2810                                        let buffer = buffer.clone();
2811                                        let action_log = action_log.clone();
2812                                        move |_, _, cx| {
2813                                            action_log.update(cx, |action_log, cx| {
2814                                                action_log.keep_edits_in_range(
2815                                                    buffer.clone(),
2816                                                    Anchor::MIN..Anchor::MAX,
2817                                                    cx,
2818                                                );
2819                                            })
2820                                        }
2821                                    }),
2822                            ),
2823                    )
2824                    .child(
2825                        div()
2826                            .id("gradient-overlay")
2827                            .absolute()
2828                            .h_full()
2829                            .w_12()
2830                            .top_0()
2831                            .bottom_0()
2832                            .right(px(152.))
2833                            .bg(overlay_gradient),
2834                    );
2835
2836                Some(element)
2837            },
2838        ))
2839    }
2840
2841    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
2842        let focus_handle = self.message_editor.focus_handle(cx);
2843        let editor_bg_color = cx.theme().colors().editor_background;
2844        let (expand_icon, expand_tooltip) = if self.editor_expanded {
2845            (IconName::Minimize, "Minimize Message Editor")
2846        } else {
2847            (IconName::Maximize, "Expand Message Editor")
2848        };
2849
2850        v_flex()
2851            .on_action(cx.listener(Self::expand_message_editor))
2852            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
2853                if let Some(profile_selector) = this.profile_selector.as_ref() {
2854                    profile_selector.read(cx).menu_handle().toggle(window, cx);
2855                }
2856            }))
2857            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
2858                if let Some(model_selector) = this.model_selector.as_ref() {
2859                    model_selector
2860                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
2861                }
2862            }))
2863            .p_2()
2864            .gap_2()
2865            .border_t_1()
2866            .border_color(cx.theme().colors().border)
2867            .bg(editor_bg_color)
2868            .when(self.editor_expanded, |this| {
2869                this.h(vh(0.8, window)).size_full().justify_between()
2870            })
2871            .child(
2872                v_flex()
2873                    .relative()
2874                    .size_full()
2875                    .pt_1()
2876                    .pr_2p5()
2877                    .child(self.message_editor.clone())
2878                    .child(
2879                        h_flex()
2880                            .absolute()
2881                            .top_0()
2882                            .right_0()
2883                            .opacity(0.5)
2884                            .hover(|this| this.opacity(1.0))
2885                            .child(
2886                                IconButton::new("toggle-height", expand_icon)
2887                                    .icon_size(IconSize::Small)
2888                                    .icon_color(Color::Muted)
2889                                    .tooltip({
2890                                        let focus_handle = focus_handle.clone();
2891                                        move |window, cx| {
2892                                            Tooltip::for_action_in(
2893                                                expand_tooltip,
2894                                                &ExpandMessageEditor,
2895                                                &focus_handle,
2896                                                window,
2897                                                cx,
2898                                            )
2899                                        }
2900                                    })
2901                                    .on_click(cx.listener(|_, _, window, cx| {
2902                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
2903                                    })),
2904                            ),
2905                    ),
2906            )
2907            .child(
2908                h_flex()
2909                    .flex_none()
2910                    .flex_wrap()
2911                    .justify_between()
2912                    .child(
2913                        h_flex()
2914                            .child(self.render_follow_toggle(cx))
2915                            .children(self.render_burn_mode_toggle(cx)),
2916                    )
2917                    .child(
2918                        h_flex()
2919                            .gap_1()
2920                            .children(self.render_token_usage(cx))
2921                            .children(self.profile_selector.clone())
2922                            .children(self.model_selector.clone())
2923                            .child(self.render_send_button(cx)),
2924                    ),
2925            )
2926            .into_any()
2927    }
2928
2929    pub(crate) fn as_native_connection(
2930        &self,
2931        cx: &App,
2932    ) -> Option<Rc<agent2::NativeAgentConnection>> {
2933        let acp_thread = self.thread()?.read(cx);
2934        acp_thread.connection().clone().downcast()
2935    }
2936
2937    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
2938        let acp_thread = self.thread()?.read(cx);
2939        self.as_native_connection(cx)?
2940            .thread(acp_thread.session_id(), cx)
2941    }
2942
2943    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
2944        let thread = self.thread()?.read(cx);
2945        let usage = thread.token_usage()?;
2946        let is_generating = thread.status() != ThreadStatus::Idle;
2947
2948        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
2949        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
2950
2951        Some(
2952            h_flex()
2953                .flex_shrink_0()
2954                .gap_0p5()
2955                .mr_1p5()
2956                .child(
2957                    Label::new(used)
2958                        .size(LabelSize::Small)
2959                        .color(Color::Muted)
2960                        .map(|label| {
2961                            if is_generating {
2962                                label
2963                                    .with_animation(
2964                                        "used-tokens-label",
2965                                        Animation::new(Duration::from_secs(2))
2966                                            .repeat()
2967                                            .with_easing(pulsating_between(0.6, 1.)),
2968                                        |label, delta| label.alpha(delta),
2969                                    )
2970                                    .into_any()
2971                            } else {
2972                                label.into_any_element()
2973                            }
2974                        }),
2975                )
2976                .child(
2977                    Label::new("/")
2978                        .size(LabelSize::Small)
2979                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
2980                )
2981                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
2982        )
2983    }
2984
2985    fn toggle_burn_mode(
2986        &mut self,
2987        _: &ToggleBurnMode,
2988        _window: &mut Window,
2989        cx: &mut Context<Self>,
2990    ) {
2991        let Some(thread) = self.as_native_thread(cx) else {
2992            return;
2993        };
2994
2995        thread.update(cx, |thread, cx| {
2996            let current_mode = thread.completion_mode();
2997            thread.set_completion_mode(
2998                match current_mode {
2999                    CompletionMode::Burn => CompletionMode::Normal,
3000                    CompletionMode::Normal => CompletionMode::Burn,
3001                },
3002                cx,
3003            );
3004        });
3005    }
3006
3007    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3008        let thread = self.as_native_thread(cx)?.read(cx);
3009
3010        if thread
3011            .model()
3012            .is_none_or(|model| !model.supports_burn_mode())
3013        {
3014            return None;
3015        }
3016
3017        let active_completion_mode = thread.completion_mode();
3018        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3019        let icon = if burn_mode_enabled {
3020            IconName::ZedBurnModeOn
3021        } else {
3022            IconName::ZedBurnMode
3023        };
3024
3025        Some(
3026            IconButton::new("burn-mode", icon)
3027                .icon_size(IconSize::Small)
3028                .icon_color(Color::Muted)
3029                .toggle_state(burn_mode_enabled)
3030                .selected_icon_color(Color::Error)
3031                .on_click(cx.listener(|this, _event, window, cx| {
3032                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
3033                }))
3034                .tooltip(move |_window, cx| {
3035                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
3036                        .into()
3037                })
3038                .into_any_element(),
3039        )
3040    }
3041
3042    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
3043        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
3044        let is_generating = self
3045            .thread()
3046            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
3047
3048        if is_generating && is_editor_empty {
3049            IconButton::new("stop-generation", IconName::Stop)
3050                .icon_color(Color::Error)
3051                .style(ButtonStyle::Tinted(ui::TintColor::Error))
3052                .tooltip(move |window, cx| {
3053                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
3054                })
3055                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
3056                .into_any_element()
3057        } else {
3058            let send_btn_tooltip = if is_editor_empty && !is_generating {
3059                "Type to Send"
3060            } else if is_generating {
3061                "Stop and Send Message"
3062            } else {
3063                "Send"
3064            };
3065
3066            IconButton::new("send-message", IconName::Send)
3067                .style(ButtonStyle::Filled)
3068                .map(|this| {
3069                    if is_editor_empty && !is_generating {
3070                        this.disabled(true).icon_color(Color::Muted)
3071                    } else {
3072                        this.icon_color(Color::Accent)
3073                    }
3074                })
3075                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
3076                .on_click(cx.listener(|this, _, window, cx| {
3077                    this.send(window, cx);
3078                }))
3079                .into_any_element()
3080        }
3081    }
3082
3083    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
3084        let following = self
3085            .workspace
3086            .read_with(cx, |workspace, _| {
3087                workspace.is_being_followed(CollaboratorId::Agent)
3088            })
3089            .unwrap_or(false);
3090
3091        IconButton::new("follow-agent", IconName::Crosshair)
3092            .icon_size(IconSize::Small)
3093            .icon_color(Color::Muted)
3094            .toggle_state(following)
3095            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
3096            .tooltip(move |window, cx| {
3097                if following {
3098                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
3099                } else {
3100                    Tooltip::with_meta(
3101                        "Follow Agent",
3102                        Some(&Follow),
3103                        "Track the agent's location as it reads and edits files.",
3104                        window,
3105                        cx,
3106                    )
3107                }
3108            })
3109            .on_click(cx.listener(move |this, _, window, cx| {
3110                this.workspace
3111                    .update(cx, |workspace, cx| {
3112                        if following {
3113                            workspace.unfollow(CollaboratorId::Agent, window, cx);
3114                        } else {
3115                            workspace.follow(CollaboratorId::Agent, window, cx);
3116                        }
3117                    })
3118                    .ok();
3119            }))
3120    }
3121
3122    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
3123        let workspace = self.workspace.clone();
3124        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
3125            Self::open_link(text, &workspace, window, cx);
3126        })
3127    }
3128
3129    fn open_link(
3130        url: SharedString,
3131        workspace: &WeakEntity<Workspace>,
3132        window: &mut Window,
3133        cx: &mut App,
3134    ) {
3135        let Some(workspace) = workspace.upgrade() else {
3136            cx.open_url(&url);
3137            return;
3138        };
3139
3140        if let Some(mention) = MentionUri::parse(&url).log_err() {
3141            workspace.update(cx, |workspace, cx| match mention {
3142                MentionUri::File { abs_path } => {
3143                    let project = workspace.project();
3144                    let Some(path) =
3145                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
3146                    else {
3147                        return;
3148                    };
3149
3150                    workspace
3151                        .open_path(path, None, true, window, cx)
3152                        .detach_and_log_err(cx);
3153                }
3154                MentionUri::Directory { abs_path } => {
3155                    let project = workspace.project();
3156                    let Some(entry) = project.update(cx, |project, cx| {
3157                        let path = project.find_project_path(abs_path, cx)?;
3158                        project.entry_for_path(&path, cx)
3159                    }) else {
3160                        return;
3161                    };
3162
3163                    project.update(cx, |_, cx| {
3164                        cx.emit(project::Event::RevealInProjectPanel(entry.id));
3165                    });
3166                }
3167                MentionUri::Symbol {
3168                    path, line_range, ..
3169                }
3170                | MentionUri::Selection { path, line_range } => {
3171                    let project = workspace.project();
3172                    let Some((path, _)) = project.update(cx, |project, cx| {
3173                        let path = project.find_project_path(path, cx)?;
3174                        let entry = project.entry_for_path(&path, cx)?;
3175                        Some((path, entry))
3176                    }) else {
3177                        return;
3178                    };
3179
3180                    let item = workspace.open_path(path, None, true, window, cx);
3181                    window
3182                        .spawn(cx, async move |cx| {
3183                            let Some(editor) = item.await?.downcast::<Editor>() else {
3184                                return Ok(());
3185                            };
3186                            let range =
3187                                Point::new(line_range.start, 0)..Point::new(line_range.start, 0);
3188                            editor
3189                                .update_in(cx, |editor, window, cx| {
3190                                    editor.change_selections(
3191                                        SelectionEffects::scroll(Autoscroll::center()),
3192                                        window,
3193                                        cx,
3194                                        |s| s.select_ranges(vec![range]),
3195                                    );
3196                                })
3197                                .ok();
3198                            anyhow::Ok(())
3199                        })
3200                        .detach_and_log_err(cx);
3201                }
3202                MentionUri::Thread { id, .. } => {
3203                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3204                        panel.update(cx, |panel, cx| {
3205                            panel
3206                                .open_thread_by_id(&id, window, cx)
3207                                .detach_and_log_err(cx)
3208                        });
3209                    }
3210                }
3211                MentionUri::TextThread { path, .. } => {
3212                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3213                        panel.update(cx, |panel, cx| {
3214                            panel
3215                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
3216                                .detach_and_log_err(cx);
3217                        });
3218                    }
3219                }
3220                MentionUri::Rule { id, .. } => {
3221                    let PromptId::User { uuid } = id else {
3222                        return;
3223                    };
3224                    window.dispatch_action(
3225                        Box::new(OpenRulesLibrary {
3226                            prompt_to_select: Some(uuid.0),
3227                        }),
3228                        cx,
3229                    )
3230                }
3231                MentionUri::Fetch { url } => {
3232                    cx.open_url(url.as_str());
3233                }
3234            })
3235        } else {
3236            cx.open_url(&url);
3237        }
3238    }
3239
3240    fn open_tool_call_location(
3241        &self,
3242        entry_ix: usize,
3243        location_ix: usize,
3244        window: &mut Window,
3245        cx: &mut Context<Self>,
3246    ) -> Option<()> {
3247        let (tool_call_location, agent_location) = self
3248            .thread()?
3249            .read(cx)
3250            .entries()
3251            .get(entry_ix)?
3252            .location(location_ix)?;
3253
3254        let project_path = self
3255            .project
3256            .read(cx)
3257            .find_project_path(&tool_call_location.path, cx)?;
3258
3259        let open_task = self
3260            .workspace
3261            .update(cx, |workspace, cx| {
3262                workspace.open_path(project_path, None, true, window, cx)
3263            })
3264            .log_err()?;
3265        window
3266            .spawn(cx, async move |cx| {
3267                let item = open_task.await?;
3268
3269                let Some(active_editor) = item.downcast::<Editor>() else {
3270                    return anyhow::Ok(());
3271                };
3272
3273                active_editor.update_in(cx, |editor, window, cx| {
3274                    let multibuffer = editor.buffer().read(cx);
3275                    let buffer = multibuffer.as_singleton();
3276                    if agent_location.buffer.upgrade() == buffer {
3277                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
3278                        let anchor = editor::Anchor::in_buffer(
3279                            excerpt_id.unwrap(),
3280                            buffer.unwrap().read(cx).remote_id(),
3281                            agent_location.position,
3282                        );
3283                        editor.change_selections(Default::default(), window, cx, |selections| {
3284                            selections.select_anchor_ranges([anchor..anchor]);
3285                        })
3286                    } else {
3287                        let row = tool_call_location.line.unwrap_or_default();
3288                        editor.change_selections(Default::default(), window, cx, |selections| {
3289                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
3290                        })
3291                    }
3292                })?;
3293
3294                anyhow::Ok(())
3295            })
3296            .detach_and_log_err(cx);
3297
3298        None
3299    }
3300
3301    pub fn open_thread_as_markdown(
3302        &self,
3303        workspace: Entity<Workspace>,
3304        window: &mut Window,
3305        cx: &mut App,
3306    ) -> Task<anyhow::Result<()>> {
3307        let markdown_language_task = workspace
3308            .read(cx)
3309            .app_state()
3310            .languages
3311            .language_for_name("Markdown");
3312
3313        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
3314            let thread = thread.read(cx);
3315            (thread.title().to_string(), thread.to_markdown(cx))
3316        } else {
3317            return Task::ready(Ok(()));
3318        };
3319
3320        window.spawn(cx, async move |cx| {
3321            let markdown_language = markdown_language_task.await?;
3322
3323            workspace.update_in(cx, |workspace, window, cx| {
3324                let project = workspace.project().clone();
3325
3326                if !project.read(cx).is_local() {
3327                    bail!("failed to open active thread as markdown in remote project");
3328                }
3329
3330                let buffer = project.update(cx, |project, cx| {
3331                    project.create_local_buffer(&markdown, Some(markdown_language), cx)
3332                });
3333                let buffer = cx.new(|cx| {
3334                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
3335                });
3336
3337                workspace.add_item_to_active_pane(
3338                    Box::new(cx.new(|cx| {
3339                        let mut editor =
3340                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
3341                        editor.set_breadcrumb_header(thread_summary);
3342                        editor
3343                    })),
3344                    None,
3345                    true,
3346                    window,
3347                    cx,
3348                );
3349
3350                anyhow::Ok(())
3351            })??;
3352            anyhow::Ok(())
3353        })
3354    }
3355
3356    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
3357        self.list_state.scroll_to(ListOffset::default());
3358        cx.notify();
3359    }
3360
3361    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
3362        if let Some(thread) = self.thread() {
3363            let entry_count = thread.read(cx).entries().len();
3364            self.list_state.reset(entry_count);
3365            cx.notify();
3366        }
3367    }
3368
3369    fn notify_with_sound(
3370        &mut self,
3371        caption: impl Into<SharedString>,
3372        icon: IconName,
3373        window: &mut Window,
3374        cx: &mut Context<Self>,
3375    ) {
3376        self.play_notification_sound(window, cx);
3377        self.show_notification(caption, icon, window, cx);
3378    }
3379
3380    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
3381        let settings = AgentSettings::get_global(cx);
3382        if settings.play_sound_when_agent_done && !window.is_window_active() {
3383            Audio::play_sound(Sound::AgentDone, cx);
3384        }
3385    }
3386
3387    fn show_notification(
3388        &mut self,
3389        caption: impl Into<SharedString>,
3390        icon: IconName,
3391        window: &mut Window,
3392        cx: &mut Context<Self>,
3393    ) {
3394        if window.is_window_active() || !self.notifications.is_empty() {
3395            return;
3396        }
3397
3398        let title = self.title(cx);
3399
3400        match AgentSettings::get_global(cx).notify_when_agent_waiting {
3401            NotifyWhenAgentWaiting::PrimaryScreen => {
3402                if let Some(primary) = cx.primary_display() {
3403                    self.pop_up(icon, caption.into(), title, window, primary, cx);
3404                }
3405            }
3406            NotifyWhenAgentWaiting::AllScreens => {
3407                let caption = caption.into();
3408                for screen in cx.displays() {
3409                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
3410                }
3411            }
3412            NotifyWhenAgentWaiting::Never => {
3413                // Don't show anything
3414            }
3415        }
3416    }
3417
3418    fn pop_up(
3419        &mut self,
3420        icon: IconName,
3421        caption: SharedString,
3422        title: SharedString,
3423        window: &mut Window,
3424        screen: Rc<dyn PlatformDisplay>,
3425        cx: &mut Context<Self>,
3426    ) {
3427        let options = AgentNotification::window_options(screen, cx);
3428
3429        let project_name = self.workspace.upgrade().and_then(|workspace| {
3430            workspace
3431                .read(cx)
3432                .project()
3433                .read(cx)
3434                .visible_worktrees(cx)
3435                .next()
3436                .map(|worktree| worktree.read(cx).root_name().to_string())
3437        });
3438
3439        if let Some(screen_window) = cx
3440            .open_window(options, |_, cx| {
3441                cx.new(|_| {
3442                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
3443                })
3444            })
3445            .log_err()
3446            && let Some(pop_up) = screen_window.entity(cx).log_err()
3447        {
3448            self.notification_subscriptions
3449                .entry(screen_window)
3450                .or_insert_with(Vec::new)
3451                .push(cx.subscribe_in(&pop_up, window, {
3452                    |this, _, event, window, cx| match event {
3453                        AgentNotificationEvent::Accepted => {
3454                            let handle = window.window_handle();
3455                            cx.activate(true);
3456
3457                            let workspace_handle = this.workspace.clone();
3458
3459                            // If there are multiple Zed windows, activate the correct one.
3460                            cx.defer(move |cx| {
3461                                handle
3462                                    .update(cx, |_view, window, _cx| {
3463                                        window.activate_window();
3464
3465                                        if let Some(workspace) = workspace_handle.upgrade() {
3466                                            workspace.update(_cx, |workspace, cx| {
3467                                                workspace.focus_panel::<AgentPanel>(window, cx);
3468                                            });
3469                                        }
3470                                    })
3471                                    .log_err();
3472                            });
3473
3474                            this.dismiss_notifications(cx);
3475                        }
3476                        AgentNotificationEvent::Dismissed => {
3477                            this.dismiss_notifications(cx);
3478                        }
3479                    }
3480                }));
3481
3482            self.notifications.push(screen_window);
3483
3484            // If the user manually refocuses the original window, dismiss the popup.
3485            self.notification_subscriptions
3486                .entry(screen_window)
3487                .or_insert_with(Vec::new)
3488                .push({
3489                    let pop_up_weak = pop_up.downgrade();
3490
3491                    cx.observe_window_activation(window, move |_, window, cx| {
3492                        if window.is_window_active()
3493                            && let Some(pop_up) = pop_up_weak.upgrade()
3494                        {
3495                            pop_up.update(cx, |_, cx| {
3496                                cx.emit(AgentNotificationEvent::Dismissed);
3497                            });
3498                        }
3499                    })
3500                });
3501        }
3502    }
3503
3504    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
3505        for window in self.notifications.drain(..) {
3506            window
3507                .update(cx, |_, window, _| {
3508                    window.remove_window();
3509                })
3510                .ok();
3511
3512            self.notification_subscriptions.remove(&window);
3513        }
3514    }
3515
3516    fn render_thread_controls(&self, cx: &Context<Self>) -> impl IntoElement {
3517        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
3518            .shape(ui::IconButtonShape::Square)
3519            .icon_size(IconSize::Small)
3520            .icon_color(Color::Ignored)
3521            .tooltip(Tooltip::text("Open Thread as Markdown"))
3522            .on_click(cx.listener(move |this, _, window, cx| {
3523                if let Some(workspace) = this.workspace.upgrade() {
3524                    this.open_thread_as_markdown(workspace, window, cx)
3525                        .detach_and_log_err(cx);
3526                }
3527            }));
3528
3529        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
3530            .shape(ui::IconButtonShape::Square)
3531            .icon_size(IconSize::Small)
3532            .icon_color(Color::Ignored)
3533            .tooltip(Tooltip::text("Scroll To Top"))
3534            .on_click(cx.listener(move |this, _, _, cx| {
3535                this.scroll_to_top(cx);
3536            }));
3537
3538        h_flex()
3539            .w_full()
3540            .mr_1()
3541            .pb_2()
3542            .px(RESPONSE_PADDING_X)
3543            .opacity(0.4)
3544            .hover(|style| style.opacity(1.))
3545            .flex_wrap()
3546            .justify_end()
3547            .child(open_as_markdown)
3548            .child(scroll_to_top)
3549    }
3550
3551    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
3552        div()
3553            .id("acp-thread-scrollbar")
3554            .occlude()
3555            .on_mouse_move(cx.listener(|_, _, _, cx| {
3556                cx.notify();
3557                cx.stop_propagation()
3558            }))
3559            .on_hover(|_, _, cx| {
3560                cx.stop_propagation();
3561            })
3562            .on_any_mouse_down(|_, _, cx| {
3563                cx.stop_propagation();
3564            })
3565            .on_mouse_up(
3566                MouseButton::Left,
3567                cx.listener(|_, _, _, cx| {
3568                    cx.stop_propagation();
3569                }),
3570            )
3571            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3572                cx.notify();
3573            }))
3574            .h_full()
3575            .absolute()
3576            .right_1()
3577            .top_1()
3578            .bottom_0()
3579            .w(px(12.))
3580            .cursor_default()
3581            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
3582    }
3583
3584    fn settings_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
3585        self.entry_view_state.update(cx, |entry_view_state, cx| {
3586            entry_view_state.settings_changed(cx);
3587        });
3588    }
3589
3590    pub(crate) fn insert_dragged_files(
3591        &self,
3592        paths: Vec<project::ProjectPath>,
3593        added_worktrees: Vec<Entity<project::Worktree>>,
3594        window: &mut Window,
3595        cx: &mut Context<Self>,
3596    ) {
3597        self.message_editor.update(cx, |message_editor, cx| {
3598            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
3599        })
3600    }
3601
3602    fn render_thread_retry_status_callout(
3603        &self,
3604        _window: &mut Window,
3605        _cx: &mut Context<Self>,
3606    ) -> Option<Callout> {
3607        let state = self.thread_retry_status.as_ref()?;
3608
3609        let next_attempt_in = state
3610            .duration
3611            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
3612        if next_attempt_in.is_zero() {
3613            return None;
3614        }
3615
3616        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
3617
3618        let retry_message = if state.max_attempts == 1 {
3619            if next_attempt_in_secs == 1 {
3620                "Retrying. Next attempt in 1 second.".to_string()
3621            } else {
3622                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
3623            }
3624        } else if next_attempt_in_secs == 1 {
3625            format!(
3626                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
3627                state.attempt, state.max_attempts,
3628            )
3629        } else {
3630            format!(
3631                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
3632                state.attempt, state.max_attempts,
3633            )
3634        };
3635
3636        Some(
3637            Callout::new()
3638                .severity(Severity::Warning)
3639                .title(state.last_error.clone())
3640                .description(retry_message),
3641        )
3642    }
3643
3644    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
3645        let content = match self.thread_error.as_ref()? {
3646            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
3647            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
3648            ThreadError::ModelRequestLimitReached(plan) => {
3649                self.render_model_request_limit_reached_error(*plan, cx)
3650            }
3651            ThreadError::ToolUseLimitReached => {
3652                self.render_tool_use_limit_reached_error(window, cx)?
3653            }
3654        };
3655
3656        Some(div().child(content))
3657    }
3658
3659    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
3660        Callout::new()
3661            .severity(Severity::Error)
3662            .title("Error")
3663            .description(error.clone())
3664            .actions_slot(self.create_copy_button(error.to_string()))
3665            .dismiss_action(self.dismiss_error_button(cx))
3666    }
3667
3668    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
3669        const ERROR_MESSAGE: &str =
3670            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3671
3672        Callout::new()
3673            .severity(Severity::Error)
3674            .title("Free Usage Exceeded")
3675            .description(ERROR_MESSAGE)
3676            .actions_slot(
3677                h_flex()
3678                    .gap_0p5()
3679                    .child(self.upgrade_button(cx))
3680                    .child(self.create_copy_button(ERROR_MESSAGE)),
3681            )
3682            .dismiss_action(self.dismiss_error_button(cx))
3683    }
3684
3685    fn render_model_request_limit_reached_error(
3686        &self,
3687        plan: cloud_llm_client::Plan,
3688        cx: &mut Context<Self>,
3689    ) -> Callout {
3690        let error_message = match plan {
3691            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3692            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
3693                "Upgrade to Zed Pro for more prompts."
3694            }
3695        };
3696
3697        Callout::new()
3698            .severity(Severity::Error)
3699            .title("Model Prompt Limit Reached")
3700            .description(error_message)
3701            .actions_slot(
3702                h_flex()
3703                    .gap_0p5()
3704                    .child(self.upgrade_button(cx))
3705                    .child(self.create_copy_button(error_message)),
3706            )
3707            .dismiss_action(self.dismiss_error_button(cx))
3708    }
3709
3710    fn render_tool_use_limit_reached_error(
3711        &self,
3712        window: &mut Window,
3713        cx: &mut Context<Self>,
3714    ) -> Option<Callout> {
3715        let thread = self.as_native_thread(cx)?;
3716        let supports_burn_mode = thread
3717            .read(cx)
3718            .model()
3719            .is_some_and(|model| model.supports_burn_mode());
3720
3721        let focus_handle = self.focus_handle(cx);
3722
3723        Some(
3724            Callout::new()
3725                .icon(IconName::Info)
3726                .title("Consecutive tool use limit reached.")
3727                .actions_slot(
3728                    h_flex()
3729                        .gap_0p5()
3730                        .when(supports_burn_mode, |this| {
3731                            this.child(
3732                                Button::new("continue-burn-mode", "Continue with Burn Mode")
3733                                    .style(ButtonStyle::Filled)
3734                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3735                                    .layer(ElevationIndex::ModalSurface)
3736                                    .label_size(LabelSize::Small)
3737                                    .key_binding(
3738                                        KeyBinding::for_action_in(
3739                                            &ContinueWithBurnMode,
3740                                            &focus_handle,
3741                                            window,
3742                                            cx,
3743                                        )
3744                                        .map(|kb| kb.size(rems_from_px(10.))),
3745                                    )
3746                                    .tooltip(Tooltip::text(
3747                                        "Enable Burn Mode for unlimited tool use.",
3748                                    ))
3749                                    .on_click({
3750                                        cx.listener(move |this, _, _window, cx| {
3751                                            thread.update(cx, |thread, cx| {
3752                                                thread
3753                                                    .set_completion_mode(CompletionMode::Burn, cx);
3754                                            });
3755                                            this.resume_chat(cx);
3756                                        })
3757                                    }),
3758                            )
3759                        })
3760                        .child(
3761                            Button::new("continue-conversation", "Continue")
3762                                .layer(ElevationIndex::ModalSurface)
3763                                .label_size(LabelSize::Small)
3764                                .key_binding(
3765                                    KeyBinding::for_action_in(
3766                                        &ContinueThread,
3767                                        &focus_handle,
3768                                        window,
3769                                        cx,
3770                                    )
3771                                    .map(|kb| kb.size(rems_from_px(10.))),
3772                                )
3773                                .on_click(cx.listener(|this, _, _window, cx| {
3774                                    this.resume_chat(cx);
3775                                })),
3776                        ),
3777                ),
3778        )
3779    }
3780
3781    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3782        let message = message.into();
3783
3784        IconButton::new("copy", IconName::Copy)
3785            .icon_size(IconSize::Small)
3786            .icon_color(Color::Muted)
3787            .tooltip(Tooltip::text("Copy Error Message"))
3788            .on_click(move |_, _, cx| {
3789                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3790            })
3791    }
3792
3793    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3794        IconButton::new("dismiss", IconName::Close)
3795            .icon_size(IconSize::Small)
3796            .icon_color(Color::Muted)
3797            .tooltip(Tooltip::text("Dismiss Error"))
3798            .on_click(cx.listener({
3799                move |this, _, _, cx| {
3800                    this.clear_thread_error(cx);
3801                    cx.notify();
3802                }
3803            }))
3804    }
3805
3806    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3807        Button::new("upgrade", "Upgrade")
3808            .label_size(LabelSize::Small)
3809            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3810            .on_click(cx.listener({
3811                move |this, _, _, cx| {
3812                    this.clear_thread_error(cx);
3813                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3814                }
3815            }))
3816    }
3817
3818    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3819        self.thread_state = Self::initial_state(
3820            self.agent.clone(),
3821            None,
3822            self.workspace.clone(),
3823            self.project.clone(),
3824            window,
3825            cx,
3826        );
3827        cx.notify();
3828    }
3829}
3830
3831impl Focusable for AcpThreadView {
3832    fn focus_handle(&self, cx: &App) -> FocusHandle {
3833        self.message_editor.focus_handle(cx)
3834    }
3835}
3836
3837impl Render for AcpThreadView {
3838    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3839        let has_messages = self.list_state.item_count() > 0;
3840
3841        v_flex()
3842            .size_full()
3843            .key_context("AcpThread")
3844            .on_action(cx.listener(Self::open_agent_diff))
3845            .on_action(cx.listener(Self::toggle_burn_mode))
3846            .bg(cx.theme().colors().panel_background)
3847            .child(match &self.thread_state {
3848                ThreadState::Unauthenticated {
3849                    connection,
3850                    description,
3851                    configuration_view,
3852                    ..
3853                } => self.render_auth_required_state(
3854                    connection,
3855                    description.as_ref(),
3856                    configuration_view.as_ref(),
3857                    window,
3858                    cx,
3859                ),
3860                ThreadState::Loading { .. } => v_flex().flex_1().child(self.render_empty_state(cx)),
3861                ThreadState::LoadError(e) => v_flex()
3862                    .p_2()
3863                    .flex_1()
3864                    .items_center()
3865                    .justify_center()
3866                    .child(self.render_load_error(e, cx)),
3867                ThreadState::Ready { thread, .. } => {
3868                    let thread_clone = thread.clone();
3869
3870                    v_flex().flex_1().map(|this| {
3871                        if has_messages {
3872                            this.child(
3873                                list(
3874                                    self.list_state.clone(),
3875                                    cx.processor(|this, index: usize, window, cx| {
3876                                        let Some((entry, len)) = this.thread().and_then(|thread| {
3877                                            let entries = &thread.read(cx).entries();
3878                                            Some((entries.get(index)?, entries.len()))
3879                                        }) else {
3880                                            return Empty.into_any();
3881                                        };
3882                                        this.render_entry(index, len, entry, window, cx)
3883                                    }),
3884                                )
3885                                .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
3886                                .flex_grow()
3887                                .into_any(),
3888                            )
3889                            .child(self.render_vertical_scrollbar(cx))
3890                            .children(
3891                                match thread_clone.read(cx).status() {
3892                                    ThreadStatus::Idle
3893                                    | ThreadStatus::WaitingForToolConfirmation => None,
3894                                    ThreadStatus::Generating => div()
3895                                        .px_5()
3896                                        .py_2()
3897                                        .child(LoadingLabel::new("").size(LabelSize::Small))
3898                                        .into(),
3899                                },
3900                            )
3901                        } else {
3902                            this.child(self.render_empty_state(cx))
3903                        }
3904                    })
3905                }
3906            })
3907            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
3908            // above so that the scrollbar doesn't render behind it. The current setup allows
3909            // the scrollbar to stop exactly at the activity bar start.
3910            .when(has_messages, |this| match &self.thread_state {
3911                ThreadState::Ready { thread, .. } => {
3912                    this.children(self.render_activity_bar(thread, window, cx))
3913                }
3914                _ => this,
3915            })
3916            .children(self.render_thread_retry_status_callout(window, cx))
3917            .children(self.render_thread_error(window, cx))
3918            .child(self.render_message_editor(window, cx))
3919    }
3920}
3921
3922fn default_markdown_style(buffer_font: bool, window: &Window, cx: &App) -> MarkdownStyle {
3923    let theme_settings = ThemeSettings::get_global(cx);
3924    let colors = cx.theme().colors();
3925
3926    let buffer_font_size = TextSize::Small.rems(cx);
3927
3928    let mut text_style = window.text_style();
3929    let line_height = buffer_font_size * 1.75;
3930
3931    let font_family = if buffer_font {
3932        theme_settings.buffer_font.family.clone()
3933    } else {
3934        theme_settings.ui_font.family.clone()
3935    };
3936
3937    let font_size = if buffer_font {
3938        TextSize::Small.rems(cx)
3939    } else {
3940        TextSize::Default.rems(cx)
3941    };
3942
3943    text_style.refine(&TextStyleRefinement {
3944        font_family: Some(font_family),
3945        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
3946        font_features: Some(theme_settings.ui_font.features.clone()),
3947        font_size: Some(font_size.into()),
3948        line_height: Some(line_height.into()),
3949        color: Some(cx.theme().colors().text),
3950        ..Default::default()
3951    });
3952
3953    MarkdownStyle {
3954        base_text_style: text_style.clone(),
3955        syntax: cx.theme().syntax().clone(),
3956        selection_background_color: cx.theme().colors().element_selection_background,
3957        code_block_overflow_x_scroll: true,
3958        table_overflow_x_scroll: true,
3959        heading_level_styles: Some(HeadingLevelStyles {
3960            h1: Some(TextStyleRefinement {
3961                font_size: Some(rems(1.15).into()),
3962                ..Default::default()
3963            }),
3964            h2: Some(TextStyleRefinement {
3965                font_size: Some(rems(1.1).into()),
3966                ..Default::default()
3967            }),
3968            h3: Some(TextStyleRefinement {
3969                font_size: Some(rems(1.05).into()),
3970                ..Default::default()
3971            }),
3972            h4: Some(TextStyleRefinement {
3973                font_size: Some(rems(1.).into()),
3974                ..Default::default()
3975            }),
3976            h5: Some(TextStyleRefinement {
3977                font_size: Some(rems(0.95).into()),
3978                ..Default::default()
3979            }),
3980            h6: Some(TextStyleRefinement {
3981                font_size: Some(rems(0.875).into()),
3982                ..Default::default()
3983            }),
3984        }),
3985        code_block: StyleRefinement {
3986            padding: EdgesRefinement {
3987                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3988                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3989                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3990                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
3991            },
3992            margin: EdgesRefinement {
3993                top: Some(Length::Definite(Pixels(8.).into())),
3994                left: Some(Length::Definite(Pixels(0.).into())),
3995                right: Some(Length::Definite(Pixels(0.).into())),
3996                bottom: Some(Length::Definite(Pixels(12.).into())),
3997            },
3998            border_style: Some(BorderStyle::Solid),
3999            border_widths: EdgesRefinement {
4000                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
4001                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
4002                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
4003                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
4004            },
4005            border_color: Some(colors.border_variant),
4006            background: Some(colors.editor_background.into()),
4007            text: Some(TextStyleRefinement {
4008                font_family: Some(theme_settings.buffer_font.family.clone()),
4009                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4010                font_features: Some(theme_settings.buffer_font.features.clone()),
4011                font_size: Some(buffer_font_size.into()),
4012                ..Default::default()
4013            }),
4014            ..Default::default()
4015        },
4016        inline_code: TextStyleRefinement {
4017            font_family: Some(theme_settings.buffer_font.family.clone()),
4018            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
4019            font_features: Some(theme_settings.buffer_font.features.clone()),
4020            font_size: Some(buffer_font_size.into()),
4021            background_color: Some(colors.editor_foreground.opacity(0.08)),
4022            ..Default::default()
4023        },
4024        link: TextStyleRefinement {
4025            background_color: Some(colors.editor_foreground.opacity(0.025)),
4026            underline: Some(UnderlineStyle {
4027                color: Some(colors.text_accent.opacity(0.5)),
4028                thickness: px(1.),
4029                ..Default::default()
4030            }),
4031            ..Default::default()
4032        },
4033        ..Default::default()
4034    }
4035}
4036
4037fn plan_label_markdown_style(
4038    status: &acp::PlanEntryStatus,
4039    window: &Window,
4040    cx: &App,
4041) -> MarkdownStyle {
4042    let default_md_style = default_markdown_style(false, window, cx);
4043
4044    MarkdownStyle {
4045        base_text_style: TextStyle {
4046            color: cx.theme().colors().text_muted,
4047            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
4048                Some(gpui::StrikethroughStyle {
4049                    thickness: px(1.),
4050                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
4051                })
4052            } else {
4053                None
4054            },
4055            ..default_md_style.base_text_style
4056        },
4057        ..default_md_style
4058    }
4059}
4060
4061fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
4062    let default_md_style = default_markdown_style(true, window, cx);
4063
4064    MarkdownStyle {
4065        base_text_style: TextStyle {
4066            ..default_md_style.base_text_style
4067        },
4068        selection_background_color: cx.theme().colors().element_selection_background,
4069        ..Default::default()
4070    }
4071}
4072
4073#[cfg(test)]
4074pub(crate) mod tests {
4075    use acp_thread::StubAgentConnection;
4076    use agent::{TextThreadStore, ThreadStore};
4077    use agent_client_protocol::SessionId;
4078    use assistant_context::ContextStore;
4079    use editor::EditorSettings;
4080    use fs::FakeFs;
4081    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
4082    use project::Project;
4083    use serde_json::json;
4084    use settings::SettingsStore;
4085    use std::any::Any;
4086    use std::path::Path;
4087    use workspace::Item;
4088
4089    use super::*;
4090
4091    #[gpui::test]
4092    async fn test_drop(cx: &mut TestAppContext) {
4093        init_test(cx);
4094
4095        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4096        let weak_view = thread_view.downgrade();
4097        drop(thread_view);
4098        assert!(!weak_view.is_upgradable());
4099    }
4100
4101    #[gpui::test]
4102    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
4103        init_test(cx);
4104
4105        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4106
4107        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4108        message_editor.update_in(cx, |editor, window, cx| {
4109            editor.set_text("Hello", window, cx);
4110        });
4111
4112        cx.deactivate_window();
4113
4114        thread_view.update_in(cx, |thread_view, window, cx| {
4115            thread_view.send(window, cx);
4116        });
4117
4118        cx.run_until_parked();
4119
4120        assert!(
4121            cx.windows()
4122                .iter()
4123                .any(|window| window.downcast::<AgentNotification>().is_some())
4124        );
4125    }
4126
4127    #[gpui::test]
4128    async fn test_notification_for_error(cx: &mut TestAppContext) {
4129        init_test(cx);
4130
4131        let (thread_view, cx) =
4132            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
4133
4134        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4135        message_editor.update_in(cx, |editor, window, cx| {
4136            editor.set_text("Hello", window, cx);
4137        });
4138
4139        cx.deactivate_window();
4140
4141        thread_view.update_in(cx, |thread_view, window, cx| {
4142            thread_view.send(window, cx);
4143        });
4144
4145        cx.run_until_parked();
4146
4147        assert!(
4148            cx.windows()
4149                .iter()
4150                .any(|window| window.downcast::<AgentNotification>().is_some())
4151        );
4152    }
4153
4154    #[gpui::test]
4155    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
4156        init_test(cx);
4157
4158        let tool_call_id = acp::ToolCallId("1".into());
4159        let tool_call = acp::ToolCall {
4160            id: tool_call_id.clone(),
4161            title: "Label".into(),
4162            kind: acp::ToolKind::Edit,
4163            status: acp::ToolCallStatus::Pending,
4164            content: vec!["hi".into()],
4165            locations: vec![],
4166            raw_input: None,
4167            raw_output: None,
4168        };
4169        let connection =
4170            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
4171                tool_call_id,
4172                vec![acp::PermissionOption {
4173                    id: acp::PermissionOptionId("1".into()),
4174                    name: "Allow".into(),
4175                    kind: acp::PermissionOptionKind::AllowOnce,
4176                }],
4177            )]));
4178
4179        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
4180
4181        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4182
4183        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4184        message_editor.update_in(cx, |editor, window, cx| {
4185            editor.set_text("Hello", window, cx);
4186        });
4187
4188        cx.deactivate_window();
4189
4190        thread_view.update_in(cx, |thread_view, window, cx| {
4191            thread_view.send(window, cx);
4192        });
4193
4194        cx.run_until_parked();
4195
4196        assert!(
4197            cx.windows()
4198                .iter()
4199                .any(|window| window.downcast::<AgentNotification>().is_some())
4200        );
4201    }
4202
4203    async fn setup_thread_view(
4204        agent: impl AgentServer + 'static,
4205        cx: &mut TestAppContext,
4206    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
4207        let fs = FakeFs::new(cx.executor());
4208        let project = Project::test(fs, [], cx).await;
4209        let (workspace, cx) =
4210            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4211
4212        let thread_store =
4213            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
4214        let text_thread_store =
4215            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
4216        let context_store =
4217            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4218        let history_store =
4219            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4220
4221        let thread_view = cx.update(|window, cx| {
4222            cx.new(|cx| {
4223                AcpThreadView::new(
4224                    Rc::new(agent),
4225                    None,
4226                    workspace.downgrade(),
4227                    project,
4228                    history_store,
4229                    thread_store.clone(),
4230                    text_thread_store.clone(),
4231                    window,
4232                    cx,
4233                )
4234            })
4235        });
4236        cx.run_until_parked();
4237        (thread_view, cx)
4238    }
4239
4240    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
4241        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4242
4243        workspace
4244            .update_in(cx, |workspace, window, cx| {
4245                workspace.add_item_to_active_pane(
4246                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
4247                    None,
4248                    true,
4249                    window,
4250                    cx,
4251                );
4252            })
4253            .unwrap();
4254    }
4255
4256    struct ThreadViewItem(Entity<AcpThreadView>);
4257
4258    impl Item for ThreadViewItem {
4259        type Event = ();
4260
4261        fn include_in_nav_history() -> bool {
4262            false
4263        }
4264
4265        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4266            "Test".into()
4267        }
4268    }
4269
4270    impl EventEmitter<()> for ThreadViewItem {}
4271
4272    impl Focusable for ThreadViewItem {
4273        fn focus_handle(&self, cx: &App) -> FocusHandle {
4274            self.0.read(cx).focus_handle(cx).clone()
4275        }
4276    }
4277
4278    impl Render for ThreadViewItem {
4279        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4280            self.0.clone().into_any_element()
4281        }
4282    }
4283
4284    struct StubAgentServer<C> {
4285        connection: C,
4286    }
4287
4288    impl<C> StubAgentServer<C> {
4289        fn new(connection: C) -> Self {
4290            Self { connection }
4291        }
4292    }
4293
4294    impl StubAgentServer<StubAgentConnection> {
4295        fn default_response() -> Self {
4296            let conn = StubAgentConnection::new();
4297            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4298                content: "Default response".into(),
4299            }]);
4300            Self::new(conn)
4301        }
4302    }
4303
4304    impl<C> AgentServer for StubAgentServer<C>
4305    where
4306        C: 'static + AgentConnection + Send + Clone,
4307    {
4308        fn logo(&self) -> ui::IconName {
4309            ui::IconName::Ai
4310        }
4311
4312        fn name(&self) -> &'static str {
4313            "Test"
4314        }
4315
4316        fn empty_state_headline(&self) -> &'static str {
4317            "Test"
4318        }
4319
4320        fn empty_state_message(&self) -> &'static str {
4321            "Test"
4322        }
4323
4324        fn connect(
4325            &self,
4326            _root_dir: &Path,
4327            _project: &Entity<Project>,
4328            _cx: &mut App,
4329        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4330            Task::ready(Ok(Rc::new(self.connection.clone())))
4331        }
4332
4333        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4334            self
4335        }
4336    }
4337
4338    #[derive(Clone)]
4339    struct SaboteurAgentConnection;
4340
4341    impl AgentConnection for SaboteurAgentConnection {
4342        fn new_thread(
4343            self: Rc<Self>,
4344            project: Entity<Project>,
4345            _cwd: &Path,
4346            cx: &mut gpui::App,
4347        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4348            Task::ready(Ok(cx.new(|cx| {
4349                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4350                AcpThread::new(
4351                    "SaboteurAgentConnection",
4352                    self,
4353                    project,
4354                    action_log,
4355                    SessionId("test".into()),
4356                )
4357            })))
4358        }
4359
4360        fn auth_methods(&self) -> &[acp::AuthMethod] {
4361            &[]
4362        }
4363
4364        fn authenticate(
4365            &self,
4366            _method_id: acp::AuthMethodId,
4367            _cx: &mut App,
4368        ) -> Task<gpui::Result<()>> {
4369            unimplemented!()
4370        }
4371
4372        fn prompt(
4373            &self,
4374            _id: Option<acp_thread::UserMessageId>,
4375            _params: acp::PromptRequest,
4376            _cx: &mut App,
4377        ) -> Task<gpui::Result<acp::PromptResponse>> {
4378            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4379        }
4380
4381        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4382            unimplemented!()
4383        }
4384
4385        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4386            self
4387        }
4388    }
4389
4390    pub(crate) fn init_test(cx: &mut TestAppContext) {
4391        cx.update(|cx| {
4392            let settings_store = SettingsStore::test(cx);
4393            cx.set_global(settings_store);
4394            language::init(cx);
4395            Project::init_settings(cx);
4396            AgentSettings::register(cx);
4397            workspace::init_settings(cx);
4398            ThemeSettings::register(cx);
4399            release_channel::init(SemanticVersion::default(), cx);
4400            EditorSettings::register(cx);
4401        });
4402    }
4403
4404    #[gpui::test]
4405    async fn test_rewind_views(cx: &mut TestAppContext) {
4406        init_test(cx);
4407
4408        let fs = FakeFs::new(cx.executor());
4409        fs.insert_tree(
4410            "/project",
4411            json!({
4412                "test1.txt": "old content 1",
4413                "test2.txt": "old content 2"
4414            }),
4415        )
4416        .await;
4417        let project = Project::test(fs, [Path::new("/project")], cx).await;
4418        let (workspace, cx) =
4419            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4420
4421        let thread_store =
4422            cx.update(|_window, cx| cx.new(|cx| ThreadStore::fake(project.clone(), cx)));
4423        let text_thread_store =
4424            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
4425        let context_store =
4426            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
4427        let history_store =
4428            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
4429
4430        let connection = Rc::new(StubAgentConnection::new());
4431        let thread_view = cx.update(|window, cx| {
4432            cx.new(|cx| {
4433                AcpThreadView::new(
4434                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4435                    None,
4436                    workspace.downgrade(),
4437                    project.clone(),
4438                    history_store.clone(),
4439                    thread_store.clone(),
4440                    text_thread_store.clone(),
4441                    window,
4442                    cx,
4443                )
4444            })
4445        });
4446
4447        cx.run_until_parked();
4448
4449        let thread = thread_view
4450            .read_with(cx, |view, _| view.thread().cloned())
4451            .unwrap();
4452
4453        // First user message
4454        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4455            id: acp::ToolCallId("tool1".into()),
4456            title: "Edit file 1".into(),
4457            kind: acp::ToolKind::Edit,
4458            status: acp::ToolCallStatus::Completed,
4459            content: vec![acp::ToolCallContent::Diff {
4460                diff: acp::Diff {
4461                    path: "/project/test1.txt".into(),
4462                    old_text: Some("old content 1".into()),
4463                    new_text: "new content 1".into(),
4464                },
4465            }],
4466            locations: vec![],
4467            raw_input: None,
4468            raw_output: None,
4469        })]);
4470
4471        thread
4472            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4473            .await
4474            .unwrap();
4475        cx.run_until_parked();
4476
4477        thread.read_with(cx, |thread, _| {
4478            assert_eq!(thread.entries().len(), 2);
4479        });
4480
4481        thread_view.read_with(cx, |view, cx| {
4482            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4483                assert!(
4484                    entry_view_state
4485                        .entry(0)
4486                        .unwrap()
4487                        .message_editor()
4488                        .is_some()
4489                );
4490                assert!(entry_view_state.entry(1).unwrap().has_content());
4491            });
4492        });
4493
4494        // Second user message
4495        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
4496            id: acp::ToolCallId("tool2".into()),
4497            title: "Edit file 2".into(),
4498            kind: acp::ToolKind::Edit,
4499            status: acp::ToolCallStatus::Completed,
4500            content: vec![acp::ToolCallContent::Diff {
4501                diff: acp::Diff {
4502                    path: "/project/test2.txt".into(),
4503                    old_text: Some("old content 2".into()),
4504                    new_text: "new content 2".into(),
4505                },
4506            }],
4507            locations: vec![],
4508            raw_input: None,
4509            raw_output: None,
4510        })]);
4511
4512        thread
4513            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4514            .await
4515            .unwrap();
4516        cx.run_until_parked();
4517
4518        let second_user_message_id = thread.read_with(cx, |thread, _| {
4519            assert_eq!(thread.entries().len(), 4);
4520            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4521                panic!();
4522            };
4523            user_message.id.clone().unwrap()
4524        });
4525
4526        thread_view.read_with(cx, |view, cx| {
4527            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4528                assert!(
4529                    entry_view_state
4530                        .entry(0)
4531                        .unwrap()
4532                        .message_editor()
4533                        .is_some()
4534                );
4535                assert!(entry_view_state.entry(1).unwrap().has_content());
4536                assert!(
4537                    entry_view_state
4538                        .entry(2)
4539                        .unwrap()
4540                        .message_editor()
4541                        .is_some()
4542                );
4543                assert!(entry_view_state.entry(3).unwrap().has_content());
4544            });
4545        });
4546
4547        // Rewind to first message
4548        thread
4549            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4550            .await
4551            .unwrap();
4552
4553        cx.run_until_parked();
4554
4555        thread.read_with(cx, |thread, _| {
4556            assert_eq!(thread.entries().len(), 2);
4557        });
4558
4559        thread_view.read_with(cx, |view, cx| {
4560            view.entry_view_state.read_with(cx, |entry_view_state, _| {
4561                assert!(
4562                    entry_view_state
4563                        .entry(0)
4564                        .unwrap()
4565                        .message_editor()
4566                        .is_some()
4567                );
4568                assert!(entry_view_state.entry(1).unwrap().has_content());
4569
4570                // Old views should be dropped
4571                assert!(entry_view_state.entry(2).is_none());
4572                assert!(entry_view_state.entry(3).is_none());
4573            });
4574        });
4575    }
4576
4577    #[gpui::test]
4578    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4579        init_test(cx);
4580
4581        let connection = StubAgentConnection::new();
4582
4583        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4584            content: acp::ContentBlock::Text(acp::TextContent {
4585                text: "Response".into(),
4586                annotations: None,
4587            }),
4588        }]);
4589
4590        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4591        add_to_workspace(thread_view.clone(), cx);
4592
4593        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4594        message_editor.update_in(cx, |editor, window, cx| {
4595            editor.set_text("Original message to edit", window, cx);
4596        });
4597        thread_view.update_in(cx, |thread_view, window, cx| {
4598            thread_view.send(window, cx);
4599        });
4600
4601        cx.run_until_parked();
4602
4603        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4604            assert_eq!(view.editing_message, None);
4605
4606            view.entry_view_state
4607                .read(cx)
4608                .entry(0)
4609                .unwrap()
4610                .message_editor()
4611                .unwrap()
4612                .clone()
4613        });
4614
4615        // Focus
4616        cx.focus(&user_message_editor);
4617        thread_view.read_with(cx, |view, _cx| {
4618            assert_eq!(view.editing_message, Some(0));
4619        });
4620
4621        // Edit
4622        user_message_editor.update_in(cx, |editor, window, cx| {
4623            editor.set_text("Edited message content", window, cx);
4624        });
4625
4626        // Cancel
4627        user_message_editor.update_in(cx, |_editor, window, cx| {
4628            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4629        });
4630
4631        thread_view.read_with(cx, |view, _cx| {
4632            assert_eq!(view.editing_message, None);
4633        });
4634
4635        user_message_editor.read_with(cx, |editor, cx| {
4636            assert_eq!(editor.text(cx), "Original message to edit");
4637        });
4638    }
4639
4640    #[gpui::test]
4641    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
4642        init_test(cx);
4643
4644        let connection = StubAgentConnection::new();
4645
4646        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4647        add_to_workspace(thread_view.clone(), cx);
4648
4649        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4650        let mut events = cx.events(&message_editor);
4651        message_editor.update_in(cx, |editor, window, cx| {
4652            editor.set_text("", window, cx);
4653        });
4654
4655        message_editor.update_in(cx, |_editor, window, cx| {
4656            window.dispatch_action(Box::new(Chat), cx);
4657        });
4658        cx.run_until_parked();
4659        // We shouldn't have received any messages
4660        assert!(matches!(
4661            events.try_next(),
4662            Err(futures::channel::mpsc::TryRecvError { .. })
4663        ));
4664    }
4665
4666    #[gpui::test]
4667    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4668        init_test(cx);
4669
4670        let connection = StubAgentConnection::new();
4671
4672        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4673            content: acp::ContentBlock::Text(acp::TextContent {
4674                text: "Response".into(),
4675                annotations: None,
4676            }),
4677        }]);
4678
4679        let (thread_view, cx) =
4680            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4681        add_to_workspace(thread_view.clone(), cx);
4682
4683        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4684        message_editor.update_in(cx, |editor, window, cx| {
4685            editor.set_text("Original message to edit", window, cx);
4686        });
4687        thread_view.update_in(cx, |thread_view, window, cx| {
4688            thread_view.send(window, cx);
4689        });
4690
4691        cx.run_until_parked();
4692
4693        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4694            assert_eq!(view.editing_message, None);
4695            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
4696
4697            view.entry_view_state
4698                .read(cx)
4699                .entry(0)
4700                .unwrap()
4701                .message_editor()
4702                .unwrap()
4703                .clone()
4704        });
4705
4706        // Focus
4707        cx.focus(&user_message_editor);
4708
4709        // Edit
4710        user_message_editor.update_in(cx, |editor, window, cx| {
4711            editor.set_text("Edited message content", window, cx);
4712        });
4713
4714        // Send
4715        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
4716            content: acp::ContentBlock::Text(acp::TextContent {
4717                text: "New Response".into(),
4718                annotations: None,
4719            }),
4720        }]);
4721
4722        user_message_editor.update_in(cx, |_editor, window, cx| {
4723            window.dispatch_action(Box::new(Chat), cx);
4724        });
4725
4726        cx.run_until_parked();
4727
4728        thread_view.read_with(cx, |view, cx| {
4729            assert_eq!(view.editing_message, None);
4730
4731            let entries = view.thread().unwrap().read(cx).entries();
4732            assert_eq!(entries.len(), 2);
4733            assert_eq!(
4734                entries[0].to_markdown(cx),
4735                "## User\n\nEdited message content\n\n"
4736            );
4737            assert_eq!(
4738                entries[1].to_markdown(cx),
4739                "## Assistant\n\nNew Response\n\n"
4740            );
4741
4742            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
4743                assert!(!state.entry(1).unwrap().has_content());
4744                state.entry(0).unwrap().message_editor().unwrap().clone()
4745            });
4746
4747            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4748        })
4749    }
4750
4751    #[gpui::test]
4752    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4753        init_test(cx);
4754
4755        let connection = StubAgentConnection::new();
4756
4757        let (thread_view, cx) =
4758            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4759        add_to_workspace(thread_view.clone(), cx);
4760
4761        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4762        message_editor.update_in(cx, |editor, window, cx| {
4763            editor.set_text("Original message to edit", window, cx);
4764        });
4765        thread_view.update_in(cx, |thread_view, window, cx| {
4766            thread_view.send(window, cx);
4767        });
4768
4769        cx.run_until_parked();
4770
4771        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
4772            let thread = view.thread().unwrap().read(cx);
4773            assert_eq!(thread.entries().len(), 1);
4774
4775            let editor = view
4776                .entry_view_state
4777                .read(cx)
4778                .entry(0)
4779                .unwrap()
4780                .message_editor()
4781                .unwrap()
4782                .clone();
4783
4784            (editor, thread.session_id().clone())
4785        });
4786
4787        // Focus
4788        cx.focus(&user_message_editor);
4789
4790        thread_view.read_with(cx, |view, _cx| {
4791            assert_eq!(view.editing_message, Some(0));
4792        });
4793
4794        // Edit
4795        user_message_editor.update_in(cx, |editor, window, cx| {
4796            editor.set_text("Edited message content", window, cx);
4797        });
4798
4799        thread_view.read_with(cx, |view, _cx| {
4800            assert_eq!(view.editing_message, Some(0));
4801        });
4802
4803        // Finish streaming response
4804        cx.update(|_, cx| {
4805            connection.send_update(
4806                session_id.clone(),
4807                acp::SessionUpdate::AgentMessageChunk {
4808                    content: acp::ContentBlock::Text(acp::TextContent {
4809                        text: "Response".into(),
4810                        annotations: None,
4811                    }),
4812                },
4813                cx,
4814            );
4815            connection.end_turn(session_id, acp::StopReason::EndTurn);
4816        });
4817
4818        thread_view.read_with(cx, |view, _cx| {
4819            assert_eq!(view.editing_message, Some(0));
4820        });
4821
4822        cx.run_until_parked();
4823
4824        // Should still be editing
4825        cx.update(|window, cx| {
4826            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4827            assert_eq!(thread_view.read(cx).editing_message, Some(0));
4828            assert_eq!(
4829                user_message_editor.read(cx).text(cx),
4830                "Edited message content"
4831            );
4832        });
4833    }
4834
4835    #[gpui::test]
4836    async fn test_interrupt(cx: &mut TestAppContext) {
4837        init_test(cx);
4838
4839        let connection = StubAgentConnection::new();
4840
4841        let (thread_view, cx) =
4842            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4843        add_to_workspace(thread_view.clone(), cx);
4844
4845        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
4846        message_editor.update_in(cx, |editor, window, cx| {
4847            editor.set_text("Message 1", window, cx);
4848        });
4849        thread_view.update_in(cx, |thread_view, window, cx| {
4850            thread_view.send(window, cx);
4851        });
4852
4853        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
4854            let thread = view.thread().unwrap();
4855
4856            (thread.clone(), thread.read(cx).session_id().clone())
4857        });
4858
4859        cx.run_until_parked();
4860
4861        cx.update(|_, cx| {
4862            connection.send_update(
4863                session_id.clone(),
4864                acp::SessionUpdate::AgentMessageChunk {
4865                    content: "Message 1 resp".into(),
4866                },
4867                cx,
4868            );
4869        });
4870
4871        cx.run_until_parked();
4872
4873        thread.read_with(cx, |thread, cx| {
4874            assert_eq!(
4875                thread.to_markdown(cx),
4876                indoc::indoc! {"
4877                    ## User
4878
4879                    Message 1
4880
4881                    ## Assistant
4882
4883                    Message 1 resp
4884
4885                "}
4886            )
4887        });
4888
4889        message_editor.update_in(cx, |editor, window, cx| {
4890            editor.set_text("Message 2", window, cx);
4891        });
4892        thread_view.update_in(cx, |thread_view, window, cx| {
4893            thread_view.send(window, cx);
4894        });
4895
4896        cx.update(|_, cx| {
4897            // Simulate a response sent after beginning to cancel
4898            connection.send_update(
4899                session_id.clone(),
4900                acp::SessionUpdate::AgentMessageChunk {
4901                    content: "onse".into(),
4902                },
4903                cx,
4904            );
4905        });
4906
4907        cx.run_until_parked();
4908
4909        // Last Message 1 response should appear before Message 2
4910        thread.read_with(cx, |thread, cx| {
4911            assert_eq!(
4912                thread.to_markdown(cx),
4913                indoc::indoc! {"
4914                    ## User
4915
4916                    Message 1
4917
4918                    ## Assistant
4919
4920                    Message 1 response
4921
4922                    ## User
4923
4924                    Message 2
4925
4926                "}
4927            )
4928        });
4929
4930        cx.update(|_, cx| {
4931            connection.send_update(
4932                session_id.clone(),
4933                acp::SessionUpdate::AgentMessageChunk {
4934                    content: "Message 2 response".into(),
4935                },
4936                cx,
4937            );
4938            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
4939        });
4940
4941        cx.run_until_parked();
4942
4943        thread.read_with(cx, |thread, cx| {
4944            assert_eq!(
4945                thread.to_markdown(cx),
4946                indoc::indoc! {"
4947                    ## User
4948
4949                    Message 1
4950
4951                    ## Assistant
4952
4953                    Message 1 response
4954
4955                    ## User
4956
4957                    Message 2
4958
4959                    ## Assistant
4960
4961                    Message 2 response
4962
4963                "}
4964            )
4965        });
4966    }
4967}