assistant_panel.rs

   1use crate::{
   2    assistant_settings::{AssistantDockPosition, AssistantSettings},
   3    context_inspector::ContextInspector,
   4    humanize_token_count,
   5    prompt_library::open_prompt_library,
   6    prompts::PromptBuilder,
   7    slash_command::{
   8        default_command::DefaultSlashCommand,
   9        docs_command::{DocsSlashCommand, DocsSlashCommandArgs},
  10        file_command::codeblock_fence_for_path,
  11        SlashCommandCompletionProvider, SlashCommandRegistry,
  12    },
  13    terminal_inline_assistant::TerminalInlineAssistant,
  14    Assist, ConfirmCommand, Context, ContextEvent, ContextId, ContextStore, CycleMessageRole,
  15    DebugWorkflowSteps, DeployHistory, DeployPromptLibrary, InlineAssist, InlineAssistId,
  16    InlineAssistant, InsertIntoEditor, MessageStatus, ModelSelector, PendingSlashCommand,
  17    PendingSlashCommandStatus, QuoteSelection, RemoteContextMetadata, ResolvedWorkflowStep,
  18    SavedContextMetadata, Split, ToggleFocus, ToggleModelSelector,
  19};
  20use crate::{ContextStoreEvent, ShowConfiguration};
  21use anyhow::{anyhow, Result};
  22use assistant_slash_command::{SlashCommand, SlashCommandOutputSection};
  23use client::{proto, Client, Status};
  24use collections::{BTreeSet, HashMap, HashSet};
  25use editor::{
  26    actions::{FoldAt, MoveToEndOfLine, Newline, ShowCompletions, UnfoldAt},
  27    display_map::{
  28        BlockContext, BlockDisposition, BlockProperties, BlockStyle, Crease, CustomBlockId,
  29        RenderBlock, ToDisplayPoint,
  30    },
  31    scroll::{Autoscroll, AutoscrollStrategy, ScrollAnchor},
  32    Anchor, Editor, EditorEvent, ExcerptRange, MultiBuffer, RowExt, ToOffset as _, ToPoint,
  33};
  34use editor::{display_map::CreaseId, FoldPlaceholder};
  35use fs::Fs;
  36use gpui::{
  37    canvas, div, img, percentage, point, pulsating_between, size, Action, Animation, AnimationExt,
  38    AnyElement, AnyView, AppContext, AsyncWindowContext, ClipboardEntry, ClipboardItem,
  39    Context as _, DismissEvent, Empty, Entity, EntityId, EventEmitter, FocusHandle, FocusableView,
  40    FontWeight, InteractiveElement, IntoElement, Model, ParentElement, Pixels, ReadGlobal, Render,
  41    RenderImage, SharedString, Size, StatefulInteractiveElement, Styled, Subscription, Task,
  42    Transformation, UpdateGlobal, View, VisualContext, WeakView, WindowContext,
  43};
  44use indexed_docs::IndexedDocsStore;
  45use language::{
  46    language_settings::SoftWrap, Capability, LanguageRegistry, LspAdapterDelegate, Point, ToOffset,
  47};
  48use language_model::{
  49    provider::cloud::PROVIDER_ID, LanguageModelProvider, LanguageModelProviderId,
  50    LanguageModelRegistry, Role,
  51};
  52use multi_buffer::MultiBufferRow;
  53use picker::{Picker, PickerDelegate};
  54use project::{Project, ProjectLspAdapterDelegate};
  55use search::{buffer_search::DivRegistrar, BufferSearchBar};
  56use settings::{update_settings_file, Settings};
  57use smol::stream::StreamExt;
  58use std::{
  59    borrow::Cow,
  60    cmp::{self, Ordering},
  61    fmt::Write,
  62    ops::Range,
  63    path::PathBuf,
  64    sync::Arc,
  65    time::Duration,
  66};
  67use terminal_view::{terminal_panel::TerminalPanel, TerminalView};
  68use text::OffsetRangeExt;
  69use ui::TintColor;
  70use ui::{
  71    prelude::*,
  72    utils::{format_distance_from_now, DateTimeType},
  73    Avatar, AvatarShape, ButtonLike, ContextMenu, Disclosure, ElevationIndex, KeyBinding, ListItem,
  74    ListItemSpacing, PopoverMenu, PopoverMenuHandle, Tooltip,
  75};
  76use util::ResultExt;
  77use workspace::{
  78    dock::{DockPosition, Panel, PanelEvent},
  79    item::{self, FollowableItem, Item, ItemHandle},
  80    notifications::NotifyTaskExt,
  81    pane::{self, SaveIntent},
  82    searchable::{SearchEvent, SearchableItem},
  83    Pane, Save, ToggleZoom, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace,
  84};
  85use workspace::{searchable::SearchableItemHandle, NewFile};
  86
  87pub fn init(cx: &mut AppContext) {
  88    workspace::FollowableViewRegistry::register::<ContextEditor>(cx);
  89    cx.observe_new_views(
  90        |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {
  91            workspace
  92                .register_action(|workspace, _: &ToggleFocus, cx| {
  93                    let settings = AssistantSettings::get_global(cx);
  94                    if !settings.enabled {
  95                        return;
  96                    }
  97
  98                    workspace.toggle_panel_focus::<AssistantPanel>(cx);
  99                })
 100                .register_action(AssistantPanel::inline_assist)
 101                .register_action(ContextEditor::quote_selection)
 102                .register_action(ContextEditor::insert_selection)
 103                .register_action(AssistantPanel::show_configuration);
 104        },
 105    )
 106    .detach();
 107
 108    cx.observe_new_views(
 109        |terminal_panel: &mut TerminalPanel, cx: &mut ViewContext<TerminalPanel>| {
 110            let settings = AssistantSettings::get_global(cx);
 111            if !settings.enabled {
 112                return;
 113            }
 114
 115            terminal_panel.register_tab_bar_button(cx.new_view(|_| InlineAssistTabBarButton), cx);
 116        },
 117    )
 118    .detach();
 119}
 120
 121struct InlineAssistTabBarButton;
 122
 123impl Render for InlineAssistTabBarButton {
 124    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 125        IconButton::new("terminal_inline_assistant", IconName::MagicWand)
 126            .icon_size(IconSize::Small)
 127            .on_click(cx.listener(|_, _, cx| {
 128                cx.dispatch_action(InlineAssist::default().boxed_clone());
 129            }))
 130            .tooltip(move |cx| Tooltip::for_action("Inline Assist", &InlineAssist::default(), cx))
 131    }
 132}
 133
 134pub enum AssistantPanelEvent {
 135    ContextEdited,
 136}
 137
 138pub struct AssistantPanel {
 139    pane: View<Pane>,
 140    workspace: WeakView<Workspace>,
 141    width: Option<Pixels>,
 142    height: Option<Pixels>,
 143    project: Model<Project>,
 144    context_store: Model<ContextStore>,
 145    languages: Arc<LanguageRegistry>,
 146    fs: Arc<dyn Fs>,
 147    subscriptions: Vec<Subscription>,
 148    model_selector_menu_handle: PopoverMenuHandle<ContextMenu>,
 149    model_summary_editor: View<Editor>,
 150    authenticate_provider_task: Option<(LanguageModelProviderId, Task<()>)>,
 151    configuration_subscription: Option<Subscription>,
 152    client_status: Option<client::Status>,
 153    watch_client_status: Option<Task<()>>,
 154    show_zed_ai_notice: bool,
 155}
 156
 157#[derive(Clone)]
 158enum ContextMetadata {
 159    Remote(RemoteContextMetadata),
 160    Saved(SavedContextMetadata),
 161}
 162
 163struct SavedContextPickerDelegate {
 164    store: Model<ContextStore>,
 165    project: Model<Project>,
 166    matches: Vec<ContextMetadata>,
 167    selected_index: usize,
 168}
 169
 170enum SavedContextPickerEvent {
 171    Confirmed(ContextMetadata),
 172}
 173
 174enum InlineAssistTarget {
 175    Editor(View<Editor>, bool),
 176    Terminal(View<TerminalView>),
 177}
 178
 179impl EventEmitter<SavedContextPickerEvent> for Picker<SavedContextPickerDelegate> {}
 180
 181impl SavedContextPickerDelegate {
 182    fn new(project: Model<Project>, store: Model<ContextStore>) -> Self {
 183        Self {
 184            project,
 185            store,
 186            matches: Vec::new(),
 187            selected_index: 0,
 188        }
 189    }
 190}
 191
 192impl PickerDelegate for SavedContextPickerDelegate {
 193    type ListItem = ListItem;
 194
 195    fn match_count(&self) -> usize {
 196        self.matches.len()
 197    }
 198
 199    fn selected_index(&self) -> usize {
 200        self.selected_index
 201    }
 202
 203    fn set_selected_index(&mut self, ix: usize, _cx: &mut ViewContext<Picker<Self>>) {
 204        self.selected_index = ix;
 205    }
 206
 207    fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
 208        "Search...".into()
 209    }
 210
 211    fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
 212        let search = self.store.read(cx).search(query, cx);
 213        cx.spawn(|this, mut cx| async move {
 214            let matches = search.await;
 215            this.update(&mut cx, |this, cx| {
 216                let host_contexts = this.delegate.store.read(cx).host_contexts();
 217                this.delegate.matches = host_contexts
 218                    .iter()
 219                    .cloned()
 220                    .map(ContextMetadata::Remote)
 221                    .chain(matches.into_iter().map(ContextMetadata::Saved))
 222                    .collect();
 223                this.delegate.selected_index = 0;
 224                cx.notify();
 225            })
 226            .ok();
 227        })
 228    }
 229
 230    fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
 231        if let Some(metadata) = self.matches.get(self.selected_index) {
 232            cx.emit(SavedContextPickerEvent::Confirmed(metadata.clone()));
 233        }
 234    }
 235
 236    fn dismissed(&mut self, _cx: &mut ViewContext<Picker<Self>>) {}
 237
 238    fn render_match(
 239        &self,
 240        ix: usize,
 241        selected: bool,
 242        cx: &mut ViewContext<Picker<Self>>,
 243    ) -> Option<Self::ListItem> {
 244        let context = self.matches.get(ix)?;
 245        let item = match context {
 246            ContextMetadata::Remote(context) => {
 247                let host_user = self.project.read(cx).host().and_then(|collaborator| {
 248                    self.project
 249                        .read(cx)
 250                        .user_store()
 251                        .read(cx)
 252                        .get_cached_user(collaborator.user_id)
 253                });
 254                div()
 255                    .flex()
 256                    .w_full()
 257                    .justify_between()
 258                    .gap_2()
 259                    .child(
 260                        h_flex().flex_1().overflow_x_hidden().child(
 261                            Label::new(context.summary.clone().unwrap_or(DEFAULT_TAB_TITLE.into()))
 262                                .size(LabelSize::Small),
 263                        ),
 264                    )
 265                    .child(
 266                        h_flex()
 267                            .gap_2()
 268                            .children(if let Some(host_user) = host_user {
 269                                vec![
 270                                    Avatar::new(host_user.avatar_uri.clone())
 271                                        .shape(AvatarShape::Circle)
 272                                        .into_any_element(),
 273                                    Label::new(format!("Shared by @{}", host_user.github_login))
 274                                        .color(Color::Muted)
 275                                        .size(LabelSize::Small)
 276                                        .into_any_element(),
 277                                ]
 278                            } else {
 279                                vec![Label::new("Shared by host")
 280                                    .color(Color::Muted)
 281                                    .size(LabelSize::Small)
 282                                    .into_any_element()]
 283                            }),
 284                    )
 285            }
 286            ContextMetadata::Saved(context) => div()
 287                .flex()
 288                .w_full()
 289                .justify_between()
 290                .gap_2()
 291                .child(
 292                    h_flex()
 293                        .flex_1()
 294                        .child(Label::new(context.title.clone()).size(LabelSize::Small))
 295                        .overflow_x_hidden(),
 296                )
 297                .child(
 298                    Label::new(format_distance_from_now(
 299                        DateTimeType::Local(context.mtime),
 300                        false,
 301                        true,
 302                        true,
 303                    ))
 304                    .color(Color::Muted)
 305                    .size(LabelSize::Small),
 306                ),
 307        };
 308        Some(
 309            ListItem::new(ix)
 310                .inset(true)
 311                .spacing(ListItemSpacing::Sparse)
 312                .selected(selected)
 313                .child(item),
 314        )
 315    }
 316}
 317
 318impl AssistantPanel {
 319    pub fn load(
 320        workspace: WeakView<Workspace>,
 321        prompt_builder: Arc<PromptBuilder>,
 322        cx: AsyncWindowContext,
 323    ) -> Task<Result<View<Self>>> {
 324        cx.spawn(|mut cx| async move {
 325            let context_store = workspace
 326                .update(&mut cx, |workspace, cx| {
 327                    let project = workspace.project().clone();
 328                    ContextStore::new(project, prompt_builder.clone(), cx)
 329                })?
 330                .await?;
 331
 332            workspace.update(&mut cx, |workspace, cx| {
 333                // TODO: deserialize state.
 334                cx.new_view(|cx| Self::new(workspace, context_store, cx))
 335            })
 336        })
 337    }
 338
 339    fn new(
 340        workspace: &Workspace,
 341        context_store: Model<ContextStore>,
 342        cx: &mut ViewContext<Self>,
 343    ) -> Self {
 344        let model_selector_menu_handle = PopoverMenuHandle::default();
 345        let model_summary_editor = cx.new_view(|cx| Editor::single_line(cx));
 346        let context_editor_toolbar = cx.new_view(|_| {
 347            ContextEditorToolbarItem::new(
 348                workspace,
 349                model_selector_menu_handle.clone(),
 350                model_summary_editor.clone(),
 351            )
 352        });
 353        let pane = cx.new_view(|cx| {
 354            let mut pane = Pane::new(
 355                workspace.weak_handle(),
 356                workspace.project().clone(),
 357                Default::default(),
 358                None,
 359                NewFile.boxed_clone(),
 360                cx,
 361            );
 362            pane.set_can_split(false, cx);
 363            pane.set_can_navigate(true, cx);
 364            pane.display_nav_history_buttons(None);
 365            pane.set_should_display_tab_bar(|_| true);
 366            pane.set_render_tab_bar_buttons(cx, move |pane, cx| {
 367                let focus_handle = pane.focus_handle(cx);
 368                let left_children = IconButton::new("history", IconName::HistoryRerun)
 369                    .icon_size(IconSize::Small)
 370                    .on_click(cx.listener({
 371                        let focus_handle = focus_handle.clone();
 372                        move |_, _, cx| {
 373                            focus_handle.focus(cx);
 374                            cx.dispatch_action(DeployHistory.boxed_clone())
 375                        }
 376                    }))
 377                    .tooltip(move |cx| {
 378                        cx.new_view(|cx| {
 379                            let keybind =
 380                                KeyBinding::for_action_in(&DeployHistory, &focus_handle, cx);
 381                            Tooltip::new("Open History").key_binding(keybind)
 382                        })
 383                        .into()
 384                    })
 385                    .selected(
 386                        pane.active_item()
 387                            .map_or(false, |item| item.downcast::<ContextHistory>().is_some()),
 388                    );
 389                let right_children = h_flex()
 390                    .gap(Spacing::Small.rems(cx))
 391                    .child(
 392                        IconButton::new("new-context", IconName::Plus)
 393                            .on_click(
 394                                cx.listener(|_, _, cx| cx.dispatch_action(NewFile.boxed_clone())),
 395                            )
 396                            .tooltip(|cx| Tooltip::for_action("New Context", &NewFile, cx)),
 397                    )
 398                    .child(
 399                        IconButton::new("menu", IconName::Menu)
 400                            .icon_size(IconSize::Small)
 401                            .on_click(cx.listener(|pane, _, cx| {
 402                                let zoom_label = if pane.is_zoomed() {
 403                                    "Zoom Out"
 404                                } else {
 405                                    "Zoom In"
 406                                };
 407                                let weak_pane = cx.view().downgrade();
 408                                let menu = ContextMenu::build(cx, |menu, cx| {
 409                                    let menu = menu
 410                                        .context(pane.focus_handle(cx))
 411                                        .action("New Context", Box::new(NewFile))
 412                                        .action("History", Box::new(DeployHistory))
 413                                        .action("Prompt Library", Box::new(DeployPromptLibrary))
 414                                        .action("Configure", Box::new(ShowConfiguration))
 415                                        .action(zoom_label, Box::new(ToggleZoom));
 416
 417                                    if let Some(editor) = pane
 418                                        .active_item()
 419                                        .and_then(|e| e.downcast::<ContextEditor>())
 420                                    {
 421                                        let is_enabled = editor.read(cx).debug_inspector.is_some();
 422                                        menu.separator().toggleable_entry(
 423                                            "Debug Workflows",
 424                                            is_enabled,
 425                                            IconPosition::End,
 426                                            None,
 427                                            move |cx| {
 428                                                weak_pane
 429                                                    .update(cx, |this, cx| {
 430                                                        if let Some(context_editor) =
 431                                                            this.active_item().and_then(|item| {
 432                                                                item.downcast::<ContextEditor>()
 433                                                            })
 434                                                        {
 435                                                            context_editor.update(cx, |this, cx| {
 436                                                                if let Some(mut state) =
 437                                                                    this.debug_inspector.take()
 438                                                                {
 439                                                                    state.deactivate(cx);
 440                                                                } else {
 441                                                                    this.debug_inspector = Some(
 442                                                                        ContextInspector::new(
 443                                                                            this.editor.clone(),
 444                                                                            this.context.clone(),
 445                                                                        ),
 446                                                                    );
 447                                                                }
 448                                                            })
 449                                                        }
 450                                                    })
 451                                                    .ok();
 452                                            },
 453                                        )
 454                                    } else {
 455                                        menu
 456                                    }
 457                                });
 458                                cx.subscribe(&menu, |pane, _, _: &DismissEvent, _| {
 459                                    pane.new_item_menu = None;
 460                                })
 461                                .detach();
 462                                pane.new_item_menu = Some(menu);
 463                            })),
 464                    )
 465                    .when_some(pane.new_item_menu.as_ref(), |el, new_item_menu| {
 466                        el.child(Pane::render_menu_overlay(new_item_menu))
 467                    })
 468                    .into_any_element()
 469                    .into();
 470
 471                (Some(left_children.into_any_element()), right_children)
 472            });
 473            pane.toolbar().update(cx, |toolbar, cx| {
 474                toolbar.add_item(context_editor_toolbar.clone(), cx);
 475                toolbar.add_item(cx.new_view(BufferSearchBar::new), cx)
 476            });
 477            pane
 478        });
 479
 480        let subscriptions = vec![
 481            cx.observe(&pane, |_, _, cx| cx.notify()),
 482            cx.subscribe(&pane, Self::handle_pane_event),
 483            cx.subscribe(&context_editor_toolbar, Self::handle_toolbar_event),
 484            cx.subscribe(&model_summary_editor, Self::handle_summary_editor_event),
 485            cx.subscribe(&context_store, Self::handle_context_store_event),
 486            cx.subscribe(
 487                &LanguageModelRegistry::global(cx),
 488                |this, _, event: &language_model::Event, cx| match event {
 489                    language_model::Event::ActiveModelChanged => {
 490                        this.completion_provider_changed(cx);
 491                    }
 492                    language_model::Event::ProviderStateChanged => {
 493                        this.ensure_authenticated(cx);
 494                        cx.notify()
 495                    }
 496                    language_model::Event::AddedProvider(_)
 497                    | language_model::Event::RemovedProvider(_) => {
 498                        this.ensure_authenticated(cx);
 499                    }
 500                },
 501            ),
 502        ];
 503
 504        let watch_client_status = Self::watch_client_status(workspace.client().clone(), cx);
 505
 506        let mut this = Self {
 507            pane,
 508            workspace: workspace.weak_handle(),
 509            width: None,
 510            height: None,
 511            project: workspace.project().clone(),
 512            context_store,
 513            languages: workspace.app_state().languages.clone(),
 514            fs: workspace.app_state().fs.clone(),
 515            subscriptions,
 516            model_selector_menu_handle,
 517            model_summary_editor,
 518            authenticate_provider_task: None,
 519            configuration_subscription: None,
 520            client_status: None,
 521            watch_client_status: Some(watch_client_status),
 522            show_zed_ai_notice: false,
 523        };
 524        this.new_context(cx);
 525        this
 526    }
 527
 528    fn watch_client_status(client: Arc<Client>, cx: &mut ViewContext<Self>) -> Task<()> {
 529        let mut status_rx = client.status();
 530
 531        cx.spawn(|this, mut cx| async move {
 532            while let Some(status) = status_rx.next().await {
 533                this.update(&mut cx, |this, cx| {
 534                    if this.client_status.is_none()
 535                        || this
 536                            .client_status
 537                            .map_or(false, |old_status| old_status != status)
 538                    {
 539                        this.update_zed_ai_notice_visibility(status, cx);
 540                    }
 541                    this.client_status = Some(status);
 542                })
 543                .log_err();
 544            }
 545            this.update(&mut cx, |this, _cx| this.watch_client_status = None)
 546                .log_err();
 547        })
 548    }
 549
 550    fn handle_pane_event(
 551        &mut self,
 552        pane: View<Pane>,
 553        event: &pane::Event,
 554        cx: &mut ViewContext<Self>,
 555    ) {
 556        let update_model_summary = match event {
 557            pane::Event::Remove => {
 558                cx.emit(PanelEvent::Close);
 559                false
 560            }
 561            pane::Event::ZoomIn => {
 562                cx.emit(PanelEvent::ZoomIn);
 563                false
 564            }
 565            pane::Event::ZoomOut => {
 566                cx.emit(PanelEvent::ZoomOut);
 567                false
 568            }
 569
 570            pane::Event::AddItem { item } => {
 571                self.workspace
 572                    .update(cx, |workspace, cx| {
 573                        item.added_to_pane(workspace, self.pane.clone(), cx)
 574                    })
 575                    .ok();
 576                true
 577            }
 578
 579            pane::Event::ActivateItem { local } => {
 580                if *local {
 581                    self.workspace
 582                        .update(cx, |workspace, cx| {
 583                            workspace.unfollow_in_pane(&pane, cx);
 584                        })
 585                        .ok();
 586                }
 587                cx.emit(AssistantPanelEvent::ContextEdited);
 588                true
 589            }
 590
 591            pane::Event::RemoveItem { idx } => {
 592                if self
 593                    .pane
 594                    .read(cx)
 595                    .item_for_index(*idx)
 596                    .map_or(false, |item| item.downcast::<ConfigurationView>().is_some())
 597                {
 598                    self.configuration_subscription = None;
 599                }
 600                false
 601            }
 602            pane::Event::RemovedItem { .. } => {
 603                cx.emit(AssistantPanelEvent::ContextEdited);
 604                true
 605            }
 606
 607            _ => false,
 608        };
 609
 610        if update_model_summary {
 611            if let Some(editor) = self.active_context_editor(cx) {
 612                self.show_updated_summary(&editor, cx)
 613            }
 614        }
 615    }
 616
 617    fn handle_summary_editor_event(
 618        &mut self,
 619        model_summary_editor: View<Editor>,
 620        event: &EditorEvent,
 621        cx: &mut ViewContext<Self>,
 622    ) {
 623        if matches!(event, EditorEvent::Edited { .. }) {
 624            if let Some(context_editor) = self.active_context_editor(cx) {
 625                let new_summary = model_summary_editor.read(cx).text(cx);
 626                context_editor.update(cx, |context_editor, cx| {
 627                    context_editor.context.update(cx, |context, cx| {
 628                        if context.summary().is_none()
 629                            && (new_summary == DEFAULT_TAB_TITLE || new_summary.trim().is_empty())
 630                        {
 631                            return;
 632                        }
 633                        context.custom_summary(new_summary, cx)
 634                    });
 635                });
 636            }
 637        }
 638    }
 639
 640    fn update_zed_ai_notice_visibility(
 641        &mut self,
 642        client_status: Status,
 643        cx: &mut ViewContext<Self>,
 644    ) {
 645        let active_provider = LanguageModelRegistry::read_global(cx).active_provider();
 646
 647        // If we're signed out and don't have a provider configured, or we're signed-out AND Zed.dev is
 648        // the provider, we want to show a nudge to sign in.
 649        let show_zed_ai_notice = client_status.is_signed_out()
 650            && active_provider.map_or(true, |provider| provider.id().0 == PROVIDER_ID);
 651
 652        self.show_zed_ai_notice = show_zed_ai_notice;
 653        cx.notify();
 654    }
 655
 656    fn handle_toolbar_event(
 657        &mut self,
 658        _: View<ContextEditorToolbarItem>,
 659        _: &ContextEditorToolbarItemEvent,
 660        cx: &mut ViewContext<Self>,
 661    ) {
 662        if let Some(context_editor) = self.active_context_editor(cx) {
 663            context_editor.update(cx, |context_editor, cx| {
 664                context_editor.context.update(cx, |context, cx| {
 665                    context.summarize(true, cx);
 666                })
 667            })
 668        }
 669    }
 670
 671    fn handle_context_store_event(
 672        &mut self,
 673        _context_store: Model<ContextStore>,
 674        event: &ContextStoreEvent,
 675        cx: &mut ViewContext<Self>,
 676    ) {
 677        let ContextStoreEvent::ContextCreated(context_id) = event;
 678        let Some(context) = self
 679            .context_store
 680            .read(cx)
 681            .loaded_context_for_id(&context_id, cx)
 682        else {
 683            log::error!("no context found with ID: {}", context_id.to_proto());
 684            return;
 685        };
 686        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx).log_err();
 687
 688        let assistant_panel = cx.view().downgrade();
 689        let editor = cx.new_view(|cx| {
 690            let mut editor = ContextEditor::for_context(
 691                context,
 692                self.fs.clone(),
 693                self.workspace.clone(),
 694                self.project.clone(),
 695                lsp_adapter_delegate,
 696                assistant_panel,
 697                cx,
 698            );
 699            editor.insert_default_prompt(cx);
 700            editor
 701        });
 702
 703        self.show_context(editor.clone(), cx);
 704    }
 705
 706    fn completion_provider_changed(&mut self, cx: &mut ViewContext<Self>) {
 707        if let Some(editor) = self.active_context_editor(cx) {
 708            editor.update(cx, |active_context, cx| {
 709                active_context
 710                    .context
 711                    .update(cx, |context, cx| context.completion_provider_changed(cx))
 712            })
 713        }
 714
 715        let Some(new_provider_id) = LanguageModelRegistry::read_global(cx)
 716            .active_provider()
 717            .map(|p| p.id())
 718        else {
 719            return;
 720        };
 721
 722        if self
 723            .authenticate_provider_task
 724            .as_ref()
 725            .map_or(true, |(old_provider_id, _)| {
 726                *old_provider_id != new_provider_id
 727            })
 728        {
 729            self.authenticate_provider_task = None;
 730            self.ensure_authenticated(cx);
 731        }
 732
 733        if let Some(status) = self.client_status {
 734            self.update_zed_ai_notice_visibility(status, cx);
 735        }
 736    }
 737
 738    fn ensure_authenticated(&mut self, cx: &mut ViewContext<Self>) {
 739        if self.is_authenticated(cx) {
 740            return;
 741        }
 742
 743        let Some(provider) = LanguageModelRegistry::read_global(cx).active_provider() else {
 744            return;
 745        };
 746
 747        let load_credentials = self.authenticate(cx);
 748
 749        if self.authenticate_provider_task.is_none() {
 750            self.authenticate_provider_task = Some((
 751                provider.id(),
 752                cx.spawn(|this, mut cx| async move {
 753                    let _ = load_credentials.await;
 754                    this.update(&mut cx, |this, _cx| {
 755                        this.authenticate_provider_task = None;
 756                    })
 757                    .log_err();
 758                }),
 759            ));
 760        }
 761    }
 762
 763    pub fn inline_assist(
 764        workspace: &mut Workspace,
 765        action: &InlineAssist,
 766        cx: &mut ViewContext<Workspace>,
 767    ) {
 768        let settings = AssistantSettings::get_global(cx);
 769        if !settings.enabled {
 770            return;
 771        }
 772
 773        let Some(assistant_panel) = workspace.panel::<AssistantPanel>(cx) else {
 774            return;
 775        };
 776
 777        let Some(inline_assist_target) =
 778            Self::resolve_inline_assist_target(workspace, &assistant_panel, cx)
 779        else {
 780            return;
 781        };
 782
 783        let initial_prompt = action.prompt.clone();
 784        if assistant_panel.update(cx, |assistant, cx| assistant.is_authenticated(cx)) {
 785            match inline_assist_target {
 786                InlineAssistTarget::Editor(active_editor, include_context) => {
 787                    InlineAssistant::update_global(cx, |assistant, cx| {
 788                        assistant.assist(
 789                            &active_editor,
 790                            Some(cx.view().downgrade()),
 791                            include_context.then_some(&assistant_panel),
 792                            initial_prompt,
 793                            cx,
 794                        )
 795                    })
 796                }
 797                InlineAssistTarget::Terminal(active_terminal) => {
 798                    TerminalInlineAssistant::update_global(cx, |assistant, cx| {
 799                        assistant.assist(
 800                            &active_terminal,
 801                            Some(cx.view().downgrade()),
 802                            Some(&assistant_panel),
 803                            initial_prompt,
 804                            cx,
 805                        )
 806                    })
 807                }
 808            }
 809        } else {
 810            let assistant_panel = assistant_panel.downgrade();
 811            cx.spawn(|workspace, mut cx| async move {
 812                assistant_panel
 813                    .update(&mut cx, |assistant, cx| assistant.authenticate(cx))?
 814                    .await?;
 815                if assistant_panel.update(&mut cx, |panel, cx| panel.is_authenticated(cx))? {
 816                    cx.update(|cx| match inline_assist_target {
 817                        InlineAssistTarget::Editor(active_editor, include_context) => {
 818                            let assistant_panel = if include_context {
 819                                assistant_panel.upgrade()
 820                            } else {
 821                                None
 822                            };
 823                            InlineAssistant::update_global(cx, |assistant, cx| {
 824                                assistant.assist(
 825                                    &active_editor,
 826                                    Some(workspace),
 827                                    assistant_panel.as_ref(),
 828                                    initial_prompt,
 829                                    cx,
 830                                )
 831                            })
 832                        }
 833                        InlineAssistTarget::Terminal(active_terminal) => {
 834                            TerminalInlineAssistant::update_global(cx, |assistant, cx| {
 835                                assistant.assist(
 836                                    &active_terminal,
 837                                    Some(workspace),
 838                                    assistant_panel.upgrade().as_ref(),
 839                                    initial_prompt,
 840                                    cx,
 841                                )
 842                            })
 843                        }
 844                    })?
 845                } else {
 846                    workspace.update(&mut cx, |workspace, cx| {
 847                        workspace.focus_panel::<AssistantPanel>(cx)
 848                    })?;
 849                }
 850
 851                anyhow::Ok(())
 852            })
 853            .detach_and_log_err(cx)
 854        }
 855    }
 856
 857    fn resolve_inline_assist_target(
 858        workspace: &mut Workspace,
 859        assistant_panel: &View<AssistantPanel>,
 860        cx: &mut WindowContext,
 861    ) -> Option<InlineAssistTarget> {
 862        if let Some(terminal_panel) = workspace.panel::<TerminalPanel>(cx) {
 863            if terminal_panel
 864                .read(cx)
 865                .focus_handle(cx)
 866                .contains_focused(cx)
 867            {
 868                if let Some(terminal_view) = terminal_panel.read(cx).pane().and_then(|pane| {
 869                    pane.read(cx)
 870                        .active_item()
 871                        .and_then(|t| t.downcast::<TerminalView>())
 872                }) {
 873                    return Some(InlineAssistTarget::Terminal(terminal_view));
 874                }
 875            }
 876        }
 877        let context_editor =
 878            assistant_panel
 879                .read(cx)
 880                .active_context_editor(cx)
 881                .and_then(|editor| {
 882                    let editor = &editor.read(cx).editor;
 883                    if editor.read(cx).is_focused(cx) {
 884                        Some(editor.clone())
 885                    } else {
 886                        None
 887                    }
 888                });
 889
 890        if let Some(context_editor) = context_editor {
 891            Some(InlineAssistTarget::Editor(context_editor, false))
 892        } else if let Some(workspace_editor) = workspace
 893            .active_item(cx)
 894            .and_then(|item| item.act_as::<Editor>(cx))
 895        {
 896            Some(InlineAssistTarget::Editor(workspace_editor, true))
 897        } else if let Some(terminal_view) = workspace
 898            .active_item(cx)
 899            .and_then(|item| item.act_as::<TerminalView>(cx))
 900        {
 901            Some(InlineAssistTarget::Terminal(terminal_view))
 902        } else {
 903            None
 904        }
 905    }
 906
 907    fn new_context(&mut self, cx: &mut ViewContext<Self>) -> Option<View<ContextEditor>> {
 908        if self.project.read(cx).is_remote() {
 909            let task = self
 910                .context_store
 911                .update(cx, |store, cx| store.create_remote_context(cx));
 912
 913            cx.spawn(|this, mut cx| async move {
 914                let context = task.await?;
 915
 916                this.update(&mut cx, |this, cx| {
 917                    let workspace = this.workspace.clone();
 918                    let project = this.project.clone();
 919                    let lsp_adapter_delegate = make_lsp_adapter_delegate(&project, cx).log_err();
 920
 921                    let fs = this.fs.clone();
 922                    let project = this.project.clone();
 923                    let weak_assistant_panel = cx.view().downgrade();
 924
 925                    let editor = cx.new_view(|cx| {
 926                        ContextEditor::for_context(
 927                            context,
 928                            fs,
 929                            workspace,
 930                            project,
 931                            lsp_adapter_delegate,
 932                            weak_assistant_panel,
 933                            cx,
 934                        )
 935                    });
 936
 937                    this.show_context(editor, cx);
 938
 939                    anyhow::Ok(())
 940                })??;
 941
 942                anyhow::Ok(())
 943            })
 944            .detach_and_log_err(cx);
 945
 946            None
 947        } else {
 948            let context = self.context_store.update(cx, |store, cx| store.create(cx));
 949            let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx).log_err();
 950
 951            let assistant_panel = cx.view().downgrade();
 952            let editor = cx.new_view(|cx| {
 953                let mut editor = ContextEditor::for_context(
 954                    context,
 955                    self.fs.clone(),
 956                    self.workspace.clone(),
 957                    self.project.clone(),
 958                    lsp_adapter_delegate,
 959                    assistant_panel,
 960                    cx,
 961                );
 962                editor.insert_default_prompt(cx);
 963                editor
 964            });
 965
 966            self.show_context(editor.clone(), cx);
 967            Some(editor)
 968        }
 969    }
 970
 971    fn show_context(&mut self, context_editor: View<ContextEditor>, cx: &mut ViewContext<Self>) {
 972        let focus = self.focus_handle(cx).contains_focused(cx);
 973        let prev_len = self.pane.read(cx).items_len();
 974        self.pane.update(cx, |pane, cx| {
 975            pane.add_item(Box::new(context_editor.clone()), focus, focus, None, cx)
 976        });
 977
 978        if prev_len != self.pane.read(cx).items_len() {
 979            self.subscriptions
 980                .push(cx.subscribe(&context_editor, Self::handle_context_editor_event));
 981        }
 982
 983        self.show_updated_summary(&context_editor, cx);
 984
 985        cx.emit(AssistantPanelEvent::ContextEdited);
 986        cx.notify();
 987    }
 988
 989    fn show_updated_summary(
 990        &self,
 991        context_editor: &View<ContextEditor>,
 992        cx: &mut ViewContext<Self>,
 993    ) {
 994        context_editor.update(cx, |context_editor, cx| {
 995            let new_summary = context_editor.title(cx).to_string();
 996            self.model_summary_editor.update(cx, |summary_editor, cx| {
 997                if summary_editor.text(cx) != new_summary {
 998                    summary_editor.set_text(new_summary, cx);
 999                }
1000            });
1001        });
1002    }
1003
1004    fn handle_context_editor_event(
1005        &mut self,
1006        context_editor: View<ContextEditor>,
1007        event: &EditorEvent,
1008        cx: &mut ViewContext<Self>,
1009    ) {
1010        match event {
1011            EditorEvent::TitleChanged => {
1012                self.show_updated_summary(&context_editor, cx);
1013                cx.notify()
1014            }
1015            EditorEvent::Edited { .. } => cx.emit(AssistantPanelEvent::ContextEdited),
1016            _ => {}
1017        }
1018    }
1019
1020    fn show_configuration(
1021        workspace: &mut Workspace,
1022        _: &ShowConfiguration,
1023        cx: &mut ViewContext<Workspace>,
1024    ) {
1025        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
1026            return;
1027        };
1028
1029        if !panel.focus_handle(cx).contains_focused(cx) {
1030            workspace.toggle_panel_focus::<AssistantPanel>(cx);
1031        }
1032
1033        panel.update(cx, |this, cx| {
1034            this.show_configuration_tab(cx);
1035        })
1036    }
1037
1038    fn show_configuration_tab(&mut self, cx: &mut ViewContext<Self>) {
1039        let configuration_item_ix = self
1040            .pane
1041            .read(cx)
1042            .items()
1043            .position(|item| item.downcast::<ConfigurationView>().is_some());
1044
1045        if let Some(configuration_item_ix) = configuration_item_ix {
1046            self.pane.update(cx, |pane, cx| {
1047                pane.activate_item(configuration_item_ix, true, true, cx);
1048            });
1049        } else {
1050            let configuration = cx.new_view(|cx| ConfigurationView::new(cx));
1051            self.configuration_subscription = Some(cx.subscribe(
1052                &configuration,
1053                |this, _, event: &ConfigurationViewEvent, cx| match event {
1054                    ConfigurationViewEvent::NewProviderContextEditor(provider) => {
1055                        if LanguageModelRegistry::read_global(cx)
1056                            .active_provider()
1057                            .map_or(true, |p| p.id() != provider.id())
1058                        {
1059                            if let Some(model) = provider.provided_models(cx).first().cloned() {
1060                                update_settings_file::<AssistantSettings>(
1061                                    this.fs.clone(),
1062                                    cx,
1063                                    move |settings, _| settings.set_model(model),
1064                                );
1065                            }
1066                        }
1067
1068                        this.new_context(cx);
1069                    }
1070                },
1071            ));
1072            self.pane.update(cx, |pane, cx| {
1073                pane.add_item(Box::new(configuration), true, true, None, cx);
1074            });
1075        }
1076    }
1077
1078    fn deploy_history(&mut self, _: &DeployHistory, cx: &mut ViewContext<Self>) {
1079        let history_item_ix = self
1080            .pane
1081            .read(cx)
1082            .items()
1083            .position(|item| item.downcast::<ContextHistory>().is_some());
1084
1085        if let Some(history_item_ix) = history_item_ix {
1086            self.pane.update(cx, |pane, cx| {
1087                pane.activate_item(history_item_ix, true, true, cx);
1088            });
1089        } else {
1090            let assistant_panel = cx.view().downgrade();
1091            let history = cx.new_view(|cx| {
1092                ContextHistory::new(
1093                    self.project.clone(),
1094                    self.context_store.clone(),
1095                    assistant_panel,
1096                    cx,
1097                )
1098            });
1099            self.pane.update(cx, |pane, cx| {
1100                pane.add_item(Box::new(history), true, true, None, cx);
1101            });
1102        }
1103    }
1104
1105    fn deploy_prompt_library(&mut self, _: &DeployPromptLibrary, cx: &mut ViewContext<Self>) {
1106        open_prompt_library(self.languages.clone(), cx).detach_and_log_err(cx);
1107    }
1108
1109    fn toggle_model_selector(&mut self, _: &ToggleModelSelector, cx: &mut ViewContext<Self>) {
1110        self.model_selector_menu_handle.toggle(cx);
1111    }
1112
1113    fn active_context_editor(&self, cx: &AppContext) -> Option<View<ContextEditor>> {
1114        self.pane
1115            .read(cx)
1116            .active_item()?
1117            .downcast::<ContextEditor>()
1118    }
1119
1120    pub fn active_context(&self, cx: &AppContext) -> Option<Model<Context>> {
1121        Some(self.active_context_editor(cx)?.read(cx).context.clone())
1122    }
1123
1124    fn open_saved_context(
1125        &mut self,
1126        path: PathBuf,
1127        cx: &mut ViewContext<Self>,
1128    ) -> Task<Result<()>> {
1129        let existing_context = self.pane.read(cx).items().find_map(|item| {
1130            item.downcast::<ContextEditor>()
1131                .filter(|editor| editor.read(cx).context.read(cx).path() == Some(&path))
1132        });
1133        if let Some(existing_context) = existing_context {
1134            return cx.spawn(|this, mut cx| async move {
1135                this.update(&mut cx, |this, cx| this.show_context(existing_context, cx))
1136            });
1137        }
1138
1139        let context = self
1140            .context_store
1141            .update(cx, |store, cx| store.open_local_context(path.clone(), cx));
1142        let fs = self.fs.clone();
1143        let project = self.project.clone();
1144        let workspace = self.workspace.clone();
1145
1146        let lsp_adapter_delegate = make_lsp_adapter_delegate(&project, cx).log_err();
1147
1148        cx.spawn(|this, mut cx| async move {
1149            let context = context.await?;
1150            let assistant_panel = this.clone();
1151            this.update(&mut cx, |this, cx| {
1152                let editor = cx.new_view(|cx| {
1153                    ContextEditor::for_context(
1154                        context,
1155                        fs,
1156                        workspace,
1157                        project,
1158                        lsp_adapter_delegate,
1159                        assistant_panel,
1160                        cx,
1161                    )
1162                });
1163                this.show_context(editor, cx);
1164                anyhow::Ok(())
1165            })??;
1166            Ok(())
1167        })
1168    }
1169
1170    fn open_remote_context(
1171        &mut self,
1172        id: ContextId,
1173        cx: &mut ViewContext<Self>,
1174    ) -> Task<Result<View<ContextEditor>>> {
1175        let existing_context = self.pane.read(cx).items().find_map(|item| {
1176            item.downcast::<ContextEditor>()
1177                .filter(|editor| *editor.read(cx).context.read(cx).id() == id)
1178        });
1179        if let Some(existing_context) = existing_context {
1180            return cx.spawn(|this, mut cx| async move {
1181                this.update(&mut cx, |this, cx| {
1182                    this.show_context(existing_context.clone(), cx)
1183                })?;
1184                Ok(existing_context)
1185            });
1186        }
1187
1188        let context = self
1189            .context_store
1190            .update(cx, |store, cx| store.open_remote_context(id, cx));
1191        let fs = self.fs.clone();
1192        let workspace = self.workspace.clone();
1193        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx).log_err();
1194
1195        cx.spawn(|this, mut cx| async move {
1196            let context = context.await?;
1197            let assistant_panel = this.clone();
1198            this.update(&mut cx, |this, cx| {
1199                let editor = cx.new_view(|cx| {
1200                    ContextEditor::for_context(
1201                        context,
1202                        fs,
1203                        workspace,
1204                        this.project.clone(),
1205                        lsp_adapter_delegate,
1206                        assistant_panel,
1207                        cx,
1208                    )
1209                });
1210                this.show_context(editor.clone(), cx);
1211                anyhow::Ok(editor)
1212            })?
1213        })
1214    }
1215
1216    fn is_authenticated(&mut self, cx: &mut ViewContext<Self>) -> bool {
1217        LanguageModelRegistry::read_global(cx)
1218            .active_provider()
1219            .map_or(false, |provider| provider.is_authenticated(cx))
1220    }
1221
1222    fn authenticate(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<()>> {
1223        LanguageModelRegistry::read_global(cx)
1224            .active_provider()
1225            .map_or(
1226                Task::ready(Err(anyhow!("no active language model provider"))),
1227                |provider| provider.authenticate(cx),
1228            )
1229    }
1230}
1231
1232impl Render for AssistantPanel {
1233    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
1234        let mut registrar = DivRegistrar::new(
1235            |panel, cx| {
1236                panel
1237                    .pane
1238                    .read(cx)
1239                    .toolbar()
1240                    .read(cx)
1241                    .item_of_type::<BufferSearchBar>()
1242            },
1243            cx,
1244        );
1245        BufferSearchBar::register(&mut registrar);
1246        let registrar = registrar.into_div();
1247
1248        v_flex()
1249            .key_context("AssistantPanel")
1250            .size_full()
1251            .on_action(cx.listener(|this, _: &workspace::NewFile, cx| {
1252                this.new_context(cx);
1253            }))
1254            .on_action(
1255                cx.listener(|this, _: &ShowConfiguration, cx| this.show_configuration_tab(cx)),
1256            )
1257            .on_action(cx.listener(AssistantPanel::deploy_history))
1258            .on_action(cx.listener(AssistantPanel::deploy_prompt_library))
1259            .on_action(cx.listener(AssistantPanel::toggle_model_selector))
1260            .child(registrar.size_full().child(self.pane.clone()))
1261            .into_any_element()
1262    }
1263}
1264
1265impl Panel for AssistantPanel {
1266    fn persistent_name() -> &'static str {
1267        "AssistantPanel"
1268    }
1269
1270    fn position(&self, cx: &WindowContext) -> DockPosition {
1271        match AssistantSettings::get_global(cx).dock {
1272            AssistantDockPosition::Left => DockPosition::Left,
1273            AssistantDockPosition::Bottom => DockPosition::Bottom,
1274            AssistantDockPosition::Right => DockPosition::Right,
1275        }
1276    }
1277
1278    fn position_is_valid(&self, _: DockPosition) -> bool {
1279        true
1280    }
1281
1282    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
1283        settings::update_settings_file::<AssistantSettings>(
1284            self.fs.clone(),
1285            cx,
1286            move |settings, _| {
1287                let dock = match position {
1288                    DockPosition::Left => AssistantDockPosition::Left,
1289                    DockPosition::Bottom => AssistantDockPosition::Bottom,
1290                    DockPosition::Right => AssistantDockPosition::Right,
1291                };
1292                settings.set_dock(dock);
1293            },
1294        );
1295    }
1296
1297    fn size(&self, cx: &WindowContext) -> Pixels {
1298        let settings = AssistantSettings::get_global(cx);
1299        match self.position(cx) {
1300            DockPosition::Left | DockPosition::Right => {
1301                self.width.unwrap_or(settings.default_width)
1302            }
1303            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1304        }
1305    }
1306
1307    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
1308        match self.position(cx) {
1309            DockPosition::Left | DockPosition::Right => self.width = size,
1310            DockPosition::Bottom => self.height = size,
1311        }
1312        cx.notify();
1313    }
1314
1315    fn is_zoomed(&self, cx: &WindowContext) -> bool {
1316        self.pane.read(cx).is_zoomed()
1317    }
1318
1319    fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1320        self.pane.update(cx, |pane, cx| pane.set_zoomed(zoomed, cx));
1321    }
1322
1323    fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
1324        if active {
1325            if self.pane.read(cx).items_len() == 0 {
1326                self.new_context(cx);
1327            }
1328
1329            self.ensure_authenticated(cx);
1330        }
1331    }
1332
1333    fn pane(&self) -> Option<View<Pane>> {
1334        Some(self.pane.clone())
1335    }
1336
1337    fn remote_id() -> Option<proto::PanelId> {
1338        Some(proto::PanelId::AssistantPanel)
1339    }
1340
1341    fn icon(&self, cx: &WindowContext) -> Option<IconName> {
1342        let settings = AssistantSettings::get_global(cx);
1343        if !settings.enabled || !settings.button {
1344            return None;
1345        }
1346
1347        Some(IconName::ZedAssistant)
1348    }
1349
1350    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
1351        Some("Assistant Panel")
1352    }
1353
1354    fn toggle_action(&self) -> Box<dyn Action> {
1355        Box::new(ToggleFocus)
1356    }
1357}
1358
1359impl EventEmitter<PanelEvent> for AssistantPanel {}
1360impl EventEmitter<AssistantPanelEvent> for AssistantPanel {}
1361
1362impl FocusableView for AssistantPanel {
1363    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
1364        self.pane.focus_handle(cx)
1365    }
1366}
1367
1368pub enum ContextEditorEvent {
1369    Edited,
1370    TabContentChanged,
1371}
1372
1373#[derive(Copy, Clone, Debug, PartialEq)]
1374struct ScrollPosition {
1375    offset_before_cursor: gpui::Point<f32>,
1376    cursor: Anchor,
1377}
1378
1379struct WorkflowStep {
1380    range: Range<language::Anchor>,
1381    header_block_id: CustomBlockId,
1382    footer_block_id: CustomBlockId,
1383    resolved_step: Option<Result<ResolvedWorkflowStep, Arc<anyhow::Error>>>,
1384    assist: Option<WorkflowAssist>,
1385}
1386
1387impl WorkflowStep {
1388    fn status(&self, cx: &AppContext) -> WorkflowStepStatus {
1389        match self.resolved_step.as_ref() {
1390            Some(Ok(_)) => {
1391                if let Some(assist) = self.assist.as_ref() {
1392                    let assistant = InlineAssistant::global(cx);
1393                    if assist
1394                        .assist_ids
1395                        .iter()
1396                        .any(|assist_id| assistant.assist_status(*assist_id, cx).is_pending())
1397                    {
1398                        WorkflowStepStatus::Pending
1399                    } else if assist
1400                        .assist_ids
1401                        .iter()
1402                        .all(|assist_id| assistant.assist_status(*assist_id, cx).is_confirmed())
1403                    {
1404                        WorkflowStepStatus::Confirmed
1405                    } else if assist
1406                        .assist_ids
1407                        .iter()
1408                        .all(|assist_id| assistant.assist_status(*assist_id, cx).is_done())
1409                    {
1410                        WorkflowStepStatus::Done
1411                    } else {
1412                        WorkflowStepStatus::Idle
1413                    }
1414                } else {
1415                    WorkflowStepStatus::Idle
1416                }
1417            }
1418            Some(Err(error)) => WorkflowStepStatus::Error(error.clone()),
1419            None => WorkflowStepStatus::Resolving,
1420        }
1421    }
1422}
1423
1424enum WorkflowStepStatus {
1425    Resolving,
1426    Error(Arc<anyhow::Error>),
1427    Idle,
1428    Pending,
1429    Done,
1430    Confirmed,
1431}
1432
1433impl WorkflowStepStatus {
1434    pub(crate) fn is_confirmed(&self) -> bool {
1435        matches!(self, Self::Confirmed)
1436    }
1437
1438    pub(crate) fn into_element(
1439        &self,
1440        step_range: Range<language::Anchor>,
1441        focus_handle: FocusHandle,
1442        editor: WeakView<ContextEditor>,
1443        cx: &mut BlockContext<'_, '_>,
1444    ) -> AnyElement {
1445        let id = EntityId::from(cx.block_id);
1446        fn display_keybind_in_tooltip(
1447            step_range: &Range<language::Anchor>,
1448            editor: &WeakView<ContextEditor>,
1449            cx: &mut WindowContext<'_>,
1450        ) -> bool {
1451            editor
1452                .update(cx, |this, _| {
1453                    this.active_workflow_step
1454                        .as_ref()
1455                        .map(|step| &step.range == step_range)
1456                })
1457                .ok()
1458                .flatten()
1459                .unwrap_or_default()
1460        }
1461        match self {
1462            WorkflowStepStatus::Resolving => Label::new("Resolving")
1463                .size(LabelSize::Small)
1464                .with_animation(
1465                    ("resolving-suggestion-animation", id),
1466                    Animation::new(Duration::from_secs(2))
1467                        .repeat()
1468                        .with_easing(pulsating_between(0.4, 0.8)),
1469                    |label, delta| label.alpha(delta),
1470                )
1471                .into_any_element(),
1472            WorkflowStepStatus::Error(error) => {
1473                let error = error.clone();
1474                h_flex()
1475                    .gap_2()
1476                    .child(
1477                        div()
1478                            .id("step-resolution-failure")
1479                            .child(
1480                                Label::new("Step Resolution Failed")
1481                                    .size(LabelSize::Small)
1482                                    .color(Color::Error),
1483                            )
1484                            .tooltip(move |cx| Tooltip::text(error.to_string(), cx)),
1485                    )
1486                    .child(
1487                        Button::new(("transform", id), "Retry")
1488                            .icon(IconName::Update)
1489                            .icon_position(IconPosition::Start)
1490                            .icon_size(IconSize::Small)
1491                            .label_size(LabelSize::Small)
1492                            .on_click({
1493                                let editor = editor.clone();
1494                                let step_range = step_range.clone();
1495                                move |_, cx| {
1496                                    editor
1497                                        .update(cx, |this, cx| {
1498                                            this.resolve_workflow_step(step_range.clone(), cx)
1499                                        })
1500                                        .ok();
1501                                }
1502                            }),
1503                    )
1504                    .into_any()
1505            }
1506            WorkflowStepStatus::Idle => Button::new(("transform", id), "Transform")
1507                .icon(IconName::SparkleAlt)
1508                .icon_position(IconPosition::Start)
1509                .icon_size(IconSize::Small)
1510                .label_size(LabelSize::Small)
1511                .style(ButtonStyle::Tinted(TintColor::Accent))
1512                .tooltip({
1513                    let step_range = step_range.clone();
1514                    let editor = editor.clone();
1515                    move |cx| {
1516                        cx.new_view(|cx| {
1517                            let tooltip = Tooltip::new("Transform");
1518                            if display_keybind_in_tooltip(&step_range, &editor, cx) {
1519                                tooltip.key_binding(KeyBinding::for_action_in(
1520                                    &Assist,
1521                                    &focus_handle,
1522                                    cx,
1523                                ))
1524                            } else {
1525                                tooltip
1526                            }
1527                        })
1528                        .into()
1529                    }
1530                })
1531                .on_click({
1532                    let editor = editor.clone();
1533                    let step_range = step_range.clone();
1534                    move |_, cx| {
1535                        editor
1536                            .update(cx, |this, cx| {
1537                                this.apply_workflow_step(step_range.clone(), cx)
1538                            })
1539                            .ok();
1540                    }
1541                })
1542                .into_any_element(),
1543            WorkflowStepStatus::Pending => h_flex()
1544                .items_center()
1545                .gap_2()
1546                .child(
1547                    Label::new("Applying...")
1548                        .size(LabelSize::Small)
1549                        .with_animation(
1550                            ("applying-step-transformation-label", id),
1551                            Animation::new(Duration::from_secs(2))
1552                                .repeat()
1553                                .with_easing(pulsating_between(0.4, 0.8)),
1554                            |label, delta| label.alpha(delta),
1555                        ),
1556                )
1557                .child(
1558                    IconButton::new(("stop-transformation", id), IconName::Stop)
1559                        .icon_size(IconSize::Small)
1560                        .icon_color(Color::Error)
1561                        .style(ButtonStyle::Subtle)
1562                        .tooltip({
1563                            let step_range = step_range.clone();
1564                            let editor = editor.clone();
1565                            move |cx| {
1566                                cx.new_view(|cx| {
1567                                    let tooltip = Tooltip::new("Stop Transformation");
1568                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1569                                        tooltip.key_binding(KeyBinding::for_action_in(
1570                                            &editor::actions::Cancel,
1571                                            &focus_handle,
1572                                            cx,
1573                                        ))
1574                                    } else {
1575                                        tooltip
1576                                    }
1577                                })
1578                                .into()
1579                            }
1580                        })
1581                        .on_click({
1582                            let editor = editor.clone();
1583                            let step_range = step_range.clone();
1584                            move |_, cx| {
1585                                editor
1586                                    .update(cx, |this, cx| {
1587                                        this.stop_workflow_step(step_range.clone(), cx)
1588                                    })
1589                                    .ok();
1590                            }
1591                        }),
1592                )
1593                .into_any_element(),
1594            WorkflowStepStatus::Done => h_flex()
1595                .gap_1()
1596                .child(
1597                    IconButton::new(("stop-transformation", id), IconName::Close)
1598                        .icon_size(IconSize::Small)
1599                        .style(ButtonStyle::Tinted(TintColor::Negative))
1600                        .tooltip({
1601                            let focus_handle = focus_handle.clone();
1602                            let editor = editor.clone();
1603                            let step_range = step_range.clone();
1604                            move |cx| {
1605                                cx.new_view(|cx| {
1606                                    let tooltip = Tooltip::new("Reject Transformation");
1607                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1608                                        tooltip.key_binding(KeyBinding::for_action_in(
1609                                            &editor::actions::Cancel,
1610                                            &focus_handle,
1611                                            cx,
1612                                        ))
1613                                    } else {
1614                                        tooltip
1615                                    }
1616                                })
1617                                .into()
1618                            }
1619                        })
1620                        .on_click({
1621                            let editor = editor.clone();
1622                            let step_range = step_range.clone();
1623                            move |_, cx| {
1624                                editor
1625                                    .update(cx, |this, cx| {
1626                                        this.reject_workflow_step(step_range.clone(), cx);
1627                                    })
1628                                    .ok();
1629                            }
1630                        }),
1631                )
1632                .child(
1633                    Button::new(("confirm-workflow-step", id), "Accept")
1634                        .icon(IconName::Check)
1635                        .icon_position(IconPosition::Start)
1636                        .icon_size(IconSize::Small)
1637                        .label_size(LabelSize::Small)
1638                        .style(ButtonStyle::Tinted(TintColor::Positive))
1639                        .tooltip({
1640                            let editor = editor.clone();
1641                            let step_range = step_range.clone();
1642                            move |cx| {
1643                                cx.new_view(|cx| {
1644                                    let tooltip = Tooltip::new("Accept Transformation");
1645                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1646                                        tooltip.key_binding(KeyBinding::for_action_in(
1647                                            &Assist,
1648                                            &focus_handle,
1649                                            cx,
1650                                        ))
1651                                    } else {
1652                                        tooltip
1653                                    }
1654                                })
1655                                .into()
1656                            }
1657                        })
1658                        .on_click({
1659                            let editor = editor.clone();
1660                            let step_range = step_range.clone();
1661                            move |_, cx| {
1662                                editor
1663                                    .update(cx, |this, cx| {
1664                                        this.confirm_workflow_step(step_range.clone(), cx);
1665                                    })
1666                                    .ok();
1667                            }
1668                        }),
1669                )
1670                .into_any_element(),
1671            WorkflowStepStatus::Confirmed => h_flex()
1672                .child(
1673                    Button::new(("revert-workflow-step", id), "Undo")
1674                        .style(ButtonStyle::Filled)
1675                        .icon(Some(IconName::Undo))
1676                        .icon_position(IconPosition::Start)
1677                        .icon_size(IconSize::Small)
1678                        .label_size(LabelSize::Small)
1679                        .on_click({
1680                            let editor = editor.clone();
1681                            let step_range = step_range.clone();
1682                            move |_, cx| {
1683                                editor
1684                                    .update(cx, |this, cx| {
1685                                        this.undo_workflow_step(step_range.clone(), cx);
1686                                    })
1687                                    .ok();
1688                            }
1689                        }),
1690                )
1691                .into_any_element(),
1692        }
1693    }
1694}
1695
1696#[derive(Debug, Eq, PartialEq)]
1697struct ActiveWorkflowStep {
1698    range: Range<language::Anchor>,
1699    resolved: bool,
1700}
1701
1702struct WorkflowAssist {
1703    editor: WeakView<Editor>,
1704    editor_was_open: bool,
1705    assist_ids: Vec<InlineAssistId>,
1706    _observe_assist_status: Task<()>,
1707}
1708
1709pub struct ContextEditor {
1710    context: Model<Context>,
1711    fs: Arc<dyn Fs>,
1712    workspace: WeakView<Workspace>,
1713    project: Model<Project>,
1714    lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
1715    editor: View<Editor>,
1716    blocks: HashSet<CustomBlockId>,
1717    image_blocks: HashSet<CustomBlockId>,
1718    scroll_position: Option<ScrollPosition>,
1719    remote_id: Option<workspace::ViewId>,
1720    pending_slash_command_creases: HashMap<Range<language::Anchor>, CreaseId>,
1721    pending_slash_command_blocks: HashMap<Range<language::Anchor>, CustomBlockId>,
1722    _subscriptions: Vec<Subscription>,
1723    workflow_steps: HashMap<Range<language::Anchor>, WorkflowStep>,
1724    active_workflow_step: Option<ActiveWorkflowStep>,
1725    assistant_panel: WeakView<AssistantPanel>,
1726    error_message: Option<SharedString>,
1727    debug_inspector: Option<ContextInspector>,
1728    show_accept_terms: bool,
1729}
1730
1731const DEFAULT_TAB_TITLE: &str = "New Context";
1732const MAX_TAB_TITLE_LEN: usize = 16;
1733
1734impl ContextEditor {
1735    fn for_context(
1736        context: Model<Context>,
1737        fs: Arc<dyn Fs>,
1738        workspace: WeakView<Workspace>,
1739        project: Model<Project>,
1740        lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
1741        assistant_panel: WeakView<AssistantPanel>,
1742        cx: &mut ViewContext<Self>,
1743    ) -> Self {
1744        let completion_provider = SlashCommandCompletionProvider::new(
1745            Some(cx.view().downgrade()),
1746            Some(workspace.clone()),
1747        );
1748
1749        let editor = cx.new_view(|cx| {
1750            let mut editor = Editor::for_buffer(context.read(cx).buffer().clone(), None, cx);
1751            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
1752            editor.set_show_line_numbers(false, cx);
1753            editor.set_show_git_diff_gutter(false, cx);
1754            editor.set_show_code_actions(false, cx);
1755            editor.set_show_runnables(false, cx);
1756            editor.set_show_wrap_guides(false, cx);
1757            editor.set_show_indent_guides(false, cx);
1758            editor.set_completion_provider(Box::new(completion_provider));
1759            editor.set_collaboration_hub(Box::new(project.clone()));
1760            editor
1761        });
1762
1763        let _subscriptions = vec![
1764            cx.observe(&context, |_, _, cx| cx.notify()),
1765            cx.subscribe(&context, Self::handle_context_event),
1766            cx.subscribe(&editor, Self::handle_editor_event),
1767            cx.subscribe(&editor, Self::handle_editor_search_event),
1768        ];
1769
1770        let sections = context.read(cx).slash_command_output_sections().to_vec();
1771        let mut this = Self {
1772            context,
1773            editor,
1774            lsp_adapter_delegate,
1775            blocks: Default::default(),
1776            image_blocks: Default::default(),
1777            scroll_position: None,
1778            remote_id: None,
1779            fs,
1780            workspace,
1781            project,
1782            pending_slash_command_creases: HashMap::default(),
1783            pending_slash_command_blocks: HashMap::default(),
1784            _subscriptions,
1785            workflow_steps: HashMap::default(),
1786            active_workflow_step: None,
1787            assistant_panel,
1788            error_message: None,
1789            debug_inspector: None,
1790            show_accept_terms: false,
1791        };
1792        this.update_message_headers(cx);
1793        this.update_image_blocks(cx);
1794        this.insert_slash_command_output_sections(sections, cx);
1795        this
1796    }
1797
1798    fn insert_default_prompt(&mut self, cx: &mut ViewContext<Self>) {
1799        let command_name = DefaultSlashCommand.name();
1800        self.editor.update(cx, |editor, cx| {
1801            editor.insert(&format!("/{command_name}"), cx)
1802        });
1803        self.split(&Split, cx);
1804        let command = self.context.update(cx, |context, cx| {
1805            let first_message_id = context.messages(cx).next().unwrap().id;
1806            context.update_metadata(first_message_id, cx, |metadata| {
1807                metadata.role = Role::System;
1808            });
1809            context.reparse_slash_commands(cx);
1810            context.pending_slash_commands()[0].clone()
1811        });
1812
1813        self.run_command(
1814            command.source_range,
1815            &command.name,
1816            &command.arguments,
1817            false,
1818            self.workspace.clone(),
1819            cx,
1820        );
1821    }
1822
1823    fn assist(&mut self, _: &Assist, cx: &mut ViewContext<Self>) {
1824        let provider = LanguageModelRegistry::read_global(cx).active_provider();
1825        if provider
1826            .as_ref()
1827            .map_or(false, |provider| provider.must_accept_terms(cx))
1828        {
1829            self.show_accept_terms = true;
1830            cx.notify();
1831            return;
1832        }
1833
1834        if !self.apply_active_workflow_step(cx) {
1835            self.error_message = None;
1836            self.send_to_model(cx);
1837            cx.notify();
1838        }
1839    }
1840
1841    fn apply_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1842        self.show_workflow_step(range.clone(), cx);
1843
1844        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1845            if let Some(assist) = workflow_step.assist.as_ref() {
1846                let assist_ids = assist.assist_ids.clone();
1847                cx.window_context().defer(|cx| {
1848                    InlineAssistant::update_global(cx, |assistant, cx| {
1849                        for assist_id in assist_ids {
1850                            assistant.start_assist(assist_id, cx);
1851                        }
1852                    })
1853                });
1854            }
1855        }
1856    }
1857
1858    fn apply_active_workflow_step(&mut self, cx: &mut ViewContext<Self>) -> bool {
1859        let Some(step) = self.active_workflow_step() else {
1860            return false;
1861        };
1862
1863        let range = step.range.clone();
1864        match step.status(cx) {
1865            WorkflowStepStatus::Resolving | WorkflowStepStatus::Pending => true,
1866            WorkflowStepStatus::Idle => {
1867                self.apply_workflow_step(range, cx);
1868                true
1869            }
1870            WorkflowStepStatus::Done => {
1871                self.confirm_workflow_step(range, cx);
1872                true
1873            }
1874            WorkflowStepStatus::Error(_) => {
1875                self.resolve_workflow_step(range, cx);
1876                true
1877            }
1878            WorkflowStepStatus::Confirmed => false,
1879        }
1880    }
1881
1882    fn resolve_workflow_step(
1883        &mut self,
1884        range: Range<language::Anchor>,
1885        cx: &mut ViewContext<Self>,
1886    ) {
1887        self.context
1888            .update(cx, |context, cx| context.resolve_workflow_step(range, cx));
1889    }
1890
1891    fn stop_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1892        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1893            if let Some(assist) = workflow_step.assist.as_ref() {
1894                let assist_ids = assist.assist_ids.clone();
1895                cx.window_context().defer(|cx| {
1896                    InlineAssistant::update_global(cx, |assistant, cx| {
1897                        for assist_id in assist_ids {
1898                            assistant.stop_assist(assist_id, cx);
1899                        }
1900                    })
1901                });
1902            }
1903        }
1904    }
1905
1906    fn undo_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1907        if let Some(workflow_step) = self.workflow_steps.get_mut(&range) {
1908            if let Some(assist) = workflow_step.assist.take() {
1909                cx.window_context().defer(|cx| {
1910                    InlineAssistant::update_global(cx, |assistant, cx| {
1911                        for assist_id in assist.assist_ids {
1912                            assistant.undo_assist(assist_id, cx);
1913                        }
1914                    })
1915                });
1916            }
1917        }
1918    }
1919
1920    fn confirm_workflow_step(
1921        &mut self,
1922        range: Range<language::Anchor>,
1923        cx: &mut ViewContext<Self>,
1924    ) {
1925        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1926            if let Some(assist) = workflow_step.assist.as_ref() {
1927                let assist_ids = assist.assist_ids.clone();
1928                cx.window_context().defer(move |cx| {
1929                    InlineAssistant::update_global(cx, |assistant, cx| {
1930                        for assist_id in assist_ids {
1931                            assistant.finish_assist(assist_id, false, cx);
1932                        }
1933                    })
1934                });
1935            }
1936        }
1937    }
1938
1939    fn reject_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1940        if let Some(workflow_step) = self.workflow_steps.get_mut(&range) {
1941            if let Some(assist) = workflow_step.assist.take() {
1942                cx.window_context().defer(move |cx| {
1943                    InlineAssistant::update_global(cx, |assistant, cx| {
1944                        for assist_id in assist.assist_ids {
1945                            assistant.finish_assist(assist_id, true, cx);
1946                        }
1947                    })
1948                });
1949            }
1950        }
1951    }
1952
1953    fn send_to_model(&mut self, cx: &mut ViewContext<Self>) {
1954        if let Some(user_message) = self.context.update(cx, |context, cx| context.assist(cx)) {
1955            let new_selection = {
1956                let cursor = user_message
1957                    .start
1958                    .to_offset(self.context.read(cx).buffer().read(cx));
1959                cursor..cursor
1960            };
1961            self.editor.update(cx, |editor, cx| {
1962                editor.change_selections(
1963                    Some(Autoscroll::Strategy(AutoscrollStrategy::Fit)),
1964                    cx,
1965                    |selections| selections.select_ranges([new_selection]),
1966                );
1967            });
1968            // Avoid scrolling to the new cursor position so the assistant's output is stable.
1969            cx.defer(|this, _| this.scroll_position = None);
1970        }
1971    }
1972
1973    fn cancel(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
1974        self.error_message = None;
1975
1976        if self
1977            .context
1978            .update(cx, |context, cx| context.cancel_last_assist(cx))
1979        {
1980            return;
1981        }
1982
1983        if let Some(active_step) = self.active_workflow_step() {
1984            match active_step.status(cx) {
1985                WorkflowStepStatus::Pending => {
1986                    self.stop_workflow_step(active_step.range.clone(), cx);
1987                    return;
1988                }
1989                WorkflowStepStatus::Done => {
1990                    self.reject_workflow_step(active_step.range.clone(), cx);
1991                    return;
1992                }
1993                _ => {}
1994            }
1995        }
1996        cx.propagate();
1997    }
1998
1999    fn debug_workflow_steps(&mut self, _: &DebugWorkflowSteps, cx: &mut ViewContext<Self>) {
2000        let mut output = String::new();
2001        for (i, step) in self.context.read(cx).workflow_steps().iter().enumerate() {
2002            output.push_str(&format!("Step {}:\n", i + 1));
2003            output.push_str(&format!(
2004                "Content: {}\n",
2005                self.context
2006                    .read(cx)
2007                    .buffer()
2008                    .read(cx)
2009                    .text_for_range(step.tagged_range.clone())
2010                    .collect::<String>()
2011            ));
2012            match &step.resolution.read(cx).result {
2013                Some(Ok(ResolvedWorkflowStep { title, suggestions })) => {
2014                    output.push_str("Resolution:\n");
2015                    output.push_str(&format!("  {:?}\n", title));
2016                    output.push_str(&format!("  {:?}\n", suggestions));
2017                }
2018                None => {
2019                    output.push_str("Resolution: Pending\n");
2020                }
2021                Some(Err(error)) => {
2022                    writeln!(output, "Resolution: Error\n{:?}", error).unwrap();
2023                }
2024            }
2025            output.push('\n');
2026        }
2027
2028        let editor = self
2029            .workspace
2030            .update(cx, |workspace, cx| Editor::new_in_workspace(workspace, cx));
2031
2032        if let Ok(editor) = editor {
2033            cx.spawn(|_, mut cx| async move {
2034                let editor = editor.await?;
2035                editor.update(&mut cx, |editor, cx| editor.set_text(output, cx))
2036            })
2037            .detach_and_notify_err(cx);
2038        }
2039    }
2040
2041    fn cycle_message_role(&mut self, _: &CycleMessageRole, cx: &mut ViewContext<Self>) {
2042        let cursors = self.cursors(cx);
2043        self.context.update(cx, |context, cx| {
2044            let messages = context
2045                .messages_for_offsets(cursors, cx)
2046                .into_iter()
2047                .map(|message| message.id)
2048                .collect();
2049            context.cycle_message_roles(messages, cx)
2050        });
2051    }
2052
2053    fn cursors(&self, cx: &AppContext) -> Vec<usize> {
2054        let selections = self.editor.read(cx).selections.all::<usize>(cx);
2055        selections
2056            .into_iter()
2057            .map(|selection| selection.head())
2058            .collect()
2059    }
2060
2061    fn insert_command(&mut self, name: &str, cx: &mut ViewContext<Self>) {
2062        if let Some(command) = SlashCommandRegistry::global(cx).command(name) {
2063            self.editor.update(cx, |editor, cx| {
2064                editor.transact(cx, |editor, cx| {
2065                    editor.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel());
2066                    let snapshot = editor.buffer().read(cx).snapshot(cx);
2067                    let newest_cursor = editor.selections.newest::<Point>(cx).head();
2068                    if newest_cursor.column > 0
2069                        || snapshot
2070                            .chars_at(newest_cursor)
2071                            .next()
2072                            .map_or(false, |ch| ch != '\n')
2073                    {
2074                        editor.move_to_end_of_line(
2075                            &MoveToEndOfLine {
2076                                stop_at_soft_wraps: false,
2077                            },
2078                            cx,
2079                        );
2080                        editor.newline(&Newline, cx);
2081                    }
2082
2083                    editor.insert(&format!("/{name}"), cx);
2084                    if command.requires_argument() {
2085                        editor.insert(" ", cx);
2086                        editor.show_completions(&ShowCompletions::default(), cx);
2087                    }
2088                });
2089            });
2090            if !command.requires_argument() {
2091                self.confirm_command(&ConfirmCommand, cx);
2092            }
2093        }
2094    }
2095
2096    pub fn confirm_command(&mut self, _: &ConfirmCommand, cx: &mut ViewContext<Self>) {
2097        let selections = self.editor.read(cx).selections.disjoint_anchors();
2098        let mut commands_by_range = HashMap::default();
2099        let workspace = self.workspace.clone();
2100        self.context.update(cx, |context, cx| {
2101            context.reparse_slash_commands(cx);
2102            for selection in selections.iter() {
2103                if let Some(command) =
2104                    context.pending_command_for_position(selection.head().text_anchor, cx)
2105                {
2106                    commands_by_range
2107                        .entry(command.source_range.clone())
2108                        .or_insert_with(|| command.clone());
2109                }
2110            }
2111        });
2112
2113        if commands_by_range.is_empty() {
2114            cx.propagate();
2115        } else {
2116            for command in commands_by_range.into_values() {
2117                self.run_command(
2118                    command.source_range,
2119                    &command.name,
2120                    &command.arguments,
2121                    true,
2122                    workspace.clone(),
2123                    cx,
2124                );
2125            }
2126            cx.stop_propagation();
2127        }
2128    }
2129
2130    pub fn run_command(
2131        &mut self,
2132        command_range: Range<language::Anchor>,
2133        name: &str,
2134        arguments: &[String],
2135        insert_trailing_newline: bool,
2136        workspace: WeakView<Workspace>,
2137        cx: &mut ViewContext<Self>,
2138    ) {
2139        if let Some(command) = SlashCommandRegistry::global(cx).command(name) {
2140            let output = command.run(arguments, workspace, self.lsp_adapter_delegate.clone(), cx);
2141            self.context.update(cx, |context, cx| {
2142                context.insert_command_output(command_range, output, insert_trailing_newline, cx)
2143            });
2144        }
2145    }
2146
2147    fn handle_context_event(
2148        &mut self,
2149        _: Model<Context>,
2150        event: &ContextEvent,
2151        cx: &mut ViewContext<Self>,
2152    ) {
2153        let context_editor = cx.view().downgrade();
2154
2155        match event {
2156            ContextEvent::MessagesEdited => {
2157                self.update_message_headers(cx);
2158                self.update_image_blocks(cx);
2159                self.context.update(cx, |context, cx| {
2160                    context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
2161                });
2162            }
2163            ContextEvent::WorkflowStepsRemoved(removed) => {
2164                self.remove_workflow_steps(removed, cx);
2165                cx.notify();
2166            }
2167            ContextEvent::WorkflowStepUpdated(updated) => {
2168                self.update_workflow_step(updated.clone(), cx);
2169                cx.notify();
2170            }
2171            ContextEvent::SummaryChanged => {
2172                cx.emit(EditorEvent::TitleChanged);
2173                self.context.update(cx, |context, cx| {
2174                    context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
2175                });
2176            }
2177            ContextEvent::StreamedCompletion => {
2178                self.editor.update(cx, |editor, cx| {
2179                    if let Some(scroll_position) = self.scroll_position {
2180                        let snapshot = editor.snapshot(cx);
2181                        let cursor_point = scroll_position.cursor.to_display_point(&snapshot);
2182                        let scroll_top =
2183                            cursor_point.row().as_f32() - scroll_position.offset_before_cursor.y;
2184                        editor.set_scroll_position(
2185                            point(scroll_position.offset_before_cursor.x, scroll_top),
2186                            cx,
2187                        );
2188                    }
2189                });
2190            }
2191            ContextEvent::PendingSlashCommandsUpdated { removed, updated } => {
2192                self.editor.update(cx, |editor, cx| {
2193                    let buffer = editor.buffer().read(cx).snapshot(cx);
2194                    let (excerpt_id, buffer_id, _) = buffer.as_singleton().unwrap();
2195                    let excerpt_id = *excerpt_id;
2196
2197                    editor.remove_creases(
2198                        removed
2199                            .iter()
2200                            .filter_map(|range| self.pending_slash_command_creases.remove(range)),
2201                        cx,
2202                    );
2203
2204                    editor.remove_blocks(
2205                        HashSet::from_iter(
2206                            removed.iter().filter_map(|range| {
2207                                self.pending_slash_command_blocks.remove(range)
2208                            }),
2209                        ),
2210                        None,
2211                        cx,
2212                    );
2213
2214                    let crease_ids = editor.insert_creases(
2215                        updated.iter().map(|command| {
2216                            let workspace = self.workspace.clone();
2217                            let confirm_command = Arc::new({
2218                                let context_editor = context_editor.clone();
2219                                let command = command.clone();
2220                                move |cx: &mut WindowContext| {
2221                                    context_editor
2222                                        .update(cx, |context_editor, cx| {
2223                                            context_editor.run_command(
2224                                                command.source_range.clone(),
2225                                                &command.name,
2226                                                &command.arguments,
2227                                                false,
2228                                                workspace.clone(),
2229                                                cx,
2230                                            );
2231                                        })
2232                                        .ok();
2233                                }
2234                            });
2235                            let placeholder = FoldPlaceholder {
2236                                render: Arc::new(move |_, _, _| Empty.into_any()),
2237                                constrain_width: false,
2238                                merge_adjacent: false,
2239                            };
2240                            let render_toggle = {
2241                                let confirm_command = confirm_command.clone();
2242                                let command = command.clone();
2243                                move |row, _, _, _cx: &mut WindowContext| {
2244                                    render_pending_slash_command_gutter_decoration(
2245                                        row,
2246                                        &command.status,
2247                                        confirm_command.clone(),
2248                                    )
2249                                }
2250                            };
2251                            let render_trailer = {
2252                                let command = command.clone();
2253                                move |row, _unfold, cx: &mut WindowContext| {
2254                                    // TODO: In the future we should investigate how we can expose
2255                                    // this as a hook on the `SlashCommand` trait so that we don't
2256                                    // need to special-case it here.
2257                                    if command.name == DocsSlashCommand::NAME {
2258                                        return render_docs_slash_command_trailer(
2259                                            row,
2260                                            command.clone(),
2261                                            cx,
2262                                        );
2263                                    }
2264
2265                                    Empty.into_any()
2266                                }
2267                            };
2268
2269                            let start = buffer
2270                                .anchor_in_excerpt(excerpt_id, command.source_range.start)
2271                                .unwrap();
2272                            let end = buffer
2273                                .anchor_in_excerpt(excerpt_id, command.source_range.end)
2274                                .unwrap();
2275                            Crease::new(start..end, placeholder, render_toggle, render_trailer)
2276                        }),
2277                        cx,
2278                    );
2279
2280                    let block_ids = editor.insert_blocks(
2281                        updated
2282                            .iter()
2283                            .filter_map(|command| match &command.status {
2284                                PendingSlashCommandStatus::Error(error) => {
2285                                    Some((command, error.clone()))
2286                                }
2287                                _ => None,
2288                            })
2289                            .map(|(command, error_message)| BlockProperties {
2290                                style: BlockStyle::Fixed,
2291                                position: Anchor {
2292                                    buffer_id: Some(buffer_id),
2293                                    excerpt_id,
2294                                    text_anchor: command.source_range.start,
2295                                },
2296                                height: 1,
2297                                disposition: BlockDisposition::Below,
2298                                render: slash_command_error_block_renderer(error_message),
2299                                priority: 0,
2300                            }),
2301                        None,
2302                        cx,
2303                    );
2304
2305                    self.pending_slash_command_creases.extend(
2306                        updated
2307                            .iter()
2308                            .map(|command| command.source_range.clone())
2309                            .zip(crease_ids),
2310                    );
2311
2312                    self.pending_slash_command_blocks.extend(
2313                        updated
2314                            .iter()
2315                            .map(|command| command.source_range.clone())
2316                            .zip(block_ids),
2317                    );
2318                })
2319            }
2320            ContextEvent::SlashCommandFinished {
2321                output_range,
2322                sections,
2323                run_commands_in_output,
2324            } => {
2325                self.insert_slash_command_output_sections(sections.iter().cloned(), cx);
2326
2327                if *run_commands_in_output {
2328                    let commands = self.context.update(cx, |context, cx| {
2329                        context.reparse_slash_commands(cx);
2330                        context
2331                            .pending_commands_for_range(output_range.clone(), cx)
2332                            .to_vec()
2333                    });
2334
2335                    for command in commands {
2336                        self.run_command(
2337                            command.source_range,
2338                            &command.name,
2339                            &command.arguments,
2340                            false,
2341                            self.workspace.clone(),
2342                            cx,
2343                        );
2344                    }
2345                }
2346            }
2347            ContextEvent::Operation(_) => {}
2348            ContextEvent::ShowAssistError(error_message) => {
2349                self.error_message = Some(error_message.clone());
2350            }
2351        }
2352    }
2353
2354    fn insert_slash_command_output_sections(
2355        &mut self,
2356        sections: impl IntoIterator<Item = SlashCommandOutputSection<language::Anchor>>,
2357        cx: &mut ViewContext<Self>,
2358    ) {
2359        self.editor.update(cx, |editor, cx| {
2360            let buffer = editor.buffer().read(cx).snapshot(cx);
2361            let excerpt_id = *buffer.as_singleton().unwrap().0;
2362            let mut buffer_rows_to_fold = BTreeSet::new();
2363            let mut creases = Vec::new();
2364            for section in sections {
2365                let start = buffer
2366                    .anchor_in_excerpt(excerpt_id, section.range.start)
2367                    .unwrap();
2368                let end = buffer
2369                    .anchor_in_excerpt(excerpt_id, section.range.end)
2370                    .unwrap();
2371                let buffer_row = MultiBufferRow(start.to_point(&buffer).row);
2372                buffer_rows_to_fold.insert(buffer_row);
2373                creases.push(Crease::new(
2374                    start..end,
2375                    FoldPlaceholder {
2376                        render: Arc::new({
2377                            let editor = cx.view().downgrade();
2378                            let icon = section.icon;
2379                            let label = section.label.clone();
2380                            move |fold_id, fold_range, _cx| {
2381                                let editor = editor.clone();
2382                                ButtonLike::new(fold_id)
2383                                    .style(ButtonStyle::Filled)
2384                                    .layer(ElevationIndex::ElevatedSurface)
2385                                    .child(Icon::new(icon))
2386                                    .child(Label::new(label.clone()).single_line())
2387                                    .on_click(move |_, cx| {
2388                                        editor
2389                                            .update(cx, |editor, cx| {
2390                                                let buffer_start = fold_range
2391                                                    .start
2392                                                    .to_point(&editor.buffer().read(cx).read(cx));
2393                                                let buffer_row = MultiBufferRow(buffer_start.row);
2394                                                editor.unfold_at(&UnfoldAt { buffer_row }, cx);
2395                                            })
2396                                            .ok();
2397                                    })
2398                                    .into_any_element()
2399                            }
2400                        }),
2401                        constrain_width: false,
2402                        merge_adjacent: false,
2403                    },
2404                    render_slash_command_output_toggle,
2405                    |_, _, _| Empty.into_any_element(),
2406                ));
2407            }
2408
2409            editor.insert_creases(creases, cx);
2410
2411            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
2412                editor.fold_at(&FoldAt { buffer_row }, cx);
2413            }
2414        });
2415    }
2416
2417    fn handle_editor_event(
2418        &mut self,
2419        _: View<Editor>,
2420        event: &EditorEvent,
2421        cx: &mut ViewContext<Self>,
2422    ) {
2423        match event {
2424            EditorEvent::ScrollPositionChanged { autoscroll, .. } => {
2425                let cursor_scroll_position = self.cursor_scroll_position(cx);
2426                if *autoscroll {
2427                    self.scroll_position = cursor_scroll_position;
2428                } else if self.scroll_position != cursor_scroll_position {
2429                    self.scroll_position = None;
2430                }
2431            }
2432            EditorEvent::SelectionsChanged { .. } => {
2433                self.scroll_position = self.cursor_scroll_position(cx);
2434                self.update_active_workflow_step(cx);
2435            }
2436            _ => {}
2437        }
2438        cx.emit(event.clone());
2439    }
2440
2441    fn active_workflow_step(&self) -> Option<&WorkflowStep> {
2442        let step = self.active_workflow_step.as_ref()?;
2443        self.workflow_steps.get(&step.range)
2444    }
2445
2446    fn remove_workflow_steps(
2447        &mut self,
2448        removed_steps: &[Range<language::Anchor>],
2449        cx: &mut ViewContext<Self>,
2450    ) {
2451        let mut blocks_to_remove = HashSet::default();
2452        for step_range in removed_steps {
2453            self.hide_workflow_step(step_range.clone(), cx);
2454            if let Some(step) = self.workflow_steps.remove(step_range) {
2455                blocks_to_remove.insert(step.header_block_id);
2456                blocks_to_remove.insert(step.footer_block_id);
2457            }
2458            if let Some(debug) = self.debug_inspector.as_mut() {
2459                debug.deactivate_for(step_range, cx);
2460            }
2461        }
2462        self.editor.update(cx, |editor, cx| {
2463            editor.remove_blocks(blocks_to_remove, None, cx)
2464        });
2465        self.update_active_workflow_step(cx);
2466    }
2467
2468    fn update_workflow_step(
2469        &mut self,
2470        step_range: Range<language::Anchor>,
2471        cx: &mut ViewContext<Self>,
2472    ) {
2473        let buffer_snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2474        let (&excerpt_id, _, _) = buffer_snapshot.as_singleton().unwrap();
2475
2476        let Some(step) = self
2477            .context
2478            .read(cx)
2479            .workflow_step_for_range(step_range.clone())
2480        else {
2481            return;
2482        };
2483
2484        let resolved_step = step.resolution.read(cx).result.clone();
2485        if let Some(existing_step) = self.workflow_steps.get_mut(&step_range) {
2486            existing_step.resolved_step = resolved_step;
2487            if let Some(debug) = self.debug_inspector.as_mut() {
2488                debug.refresh(&step_range, cx);
2489            }
2490        } else {
2491            let start = buffer_snapshot
2492                .anchor_in_excerpt(excerpt_id, step_range.start)
2493                .unwrap();
2494            let end = buffer_snapshot
2495                .anchor_in_excerpt(excerpt_id, step_range.end)
2496                .unwrap();
2497            let weak_self = cx.view().downgrade();
2498            let block_ids = self.editor.update(cx, |editor, cx| {
2499                let step_range = step_range.clone();
2500                let editor_focus_handle = editor.focus_handle(cx);
2501                editor.insert_blocks(
2502                    vec![
2503                        BlockProperties {
2504                            position: start,
2505                            height: 1,
2506                            style: BlockStyle::Sticky,
2507                            render: Box::new({
2508                                let weak_self = weak_self.clone();
2509                                let step_range = step_range.clone();
2510                                move |cx| {
2511                                    let current_status = weak_self
2512                                        .update(&mut **cx, |context_editor, cx| {
2513                                            let step =
2514                                                context_editor.workflow_steps.get(&step_range)?;
2515                                            Some(step.status(cx))
2516                                        })
2517                                        .ok()
2518                                        .flatten();
2519
2520                                    let theme = cx.theme().status();
2521                                    let border_color = if current_status
2522                                        .as_ref()
2523                                        .map_or(false, |status| status.is_confirmed())
2524                                    {
2525                                        theme.ignored_border
2526                                    } else {
2527                                        theme.info_border
2528                                    };
2529                                    let step_index = weak_self.update(&mut **cx, |this, cx| {
2530                                       let snapshot = this.editor.read(cx).buffer().read(cx).as_singleton()?.read(cx).text_snapshot();
2531                                       let start_offset = step_range.start.to_offset(&snapshot);
2532                                       let parent_message = this.context.read(cx).messages_for_offsets([start_offset], cx);
2533                                       debug_assert_eq!(parent_message.len(), 1);
2534                                       let parent_message = parent_message.first()?;
2535
2536                                       let index_of_current_step = this.workflow_steps.keys().filter(|workflow_step_range| workflow_step_range.start.cmp(&parent_message.anchor, &snapshot).is_ge() && workflow_step_range.end.cmp(&step_range.end, &snapshot).is_le()).count();
2537                                       Some(index_of_current_step)
2538                                    }).ok().flatten();
2539
2540                                    let debug_header = weak_self
2541                                        .update(&mut **cx, |this, _| {
2542                                            if let Some(inspector) = this.debug_inspector.as_mut() {
2543                                                Some(inspector.is_active(&step_range))
2544                                            } else {
2545                                                None
2546                                            }
2547                                        })
2548                                        .unwrap_or_default();
2549                                    let step_label = if let Some(index) = step_index {
2550
2551                                        Label::new(format!("Step {index}")).size(LabelSize::Small)
2552                                        } else {
2553                                            Label::new("Step").size(LabelSize::Small)
2554                                        };
2555                                    let step_label = if current_status.as_ref().is_some_and(|status| status.is_confirmed()) {
2556                                        h_flex().items_center().gap_2().child(step_label.strikethrough(true).color(Color::Muted)).child(Icon::new(IconName::Check).size(IconSize::Small).color(Color::Created))
2557                                    } else {
2558                                        div().child(step_label)
2559                                    };
2560                                    div()
2561                                        .w_full()
2562                                        .px(cx.gutter_dimensions.full_width())
2563                                        .child(
2564                                            h_flex()
2565                                                .w_full()
2566                                                .h_8()
2567                                                .border_b_1()
2568                                                .border_color(border_color)
2569                                                .pb_2()
2570                                                .items_center()
2571                                                .justify_between()
2572                                                .gap_2()
2573                                                .child(h_flex().justify_start().gap_2().child(step_label).children(
2574                                                    debug_header.map(|is_active| {
2575
2576                                                        Button::new("debug-workflows-toggle", "Debug")
2577                                                            .icon_color(Color::Hidden)
2578                                                            .color(Color::Hidden)
2579                                                            .selected_icon_color(Color::Default)
2580                                                            .selected_label_color(Color::Default)
2581                                                            .icon(IconName::Microscope)
2582                                                            .icon_position(IconPosition::Start)
2583                                                            .icon_size(IconSize::Small)
2584                                                            .label_size(LabelSize::Small)
2585                                                            .selected(is_active)
2586                                                            .on_click({
2587                                                                let weak_self = weak_self.clone();
2588                                                                let step_range = step_range.clone();
2589                                                                move |_, cx| {
2590                                                                    weak_self
2591                                                                        .update(cx, |this, cx| {
2592                                                                            if let Some(inspector) =
2593                                                                                this.debug_inspector
2594                                                                                    .as_mut()
2595                                                                            {
2596                                                                                if is_active {
2597
2598                                                                                    inspector.deactivate_for(&step_range, cx);
2599                                                                                } else {
2600                                                                                    inspector.activate_for_step(step_range.clone(), cx);
2601                                                                                }
2602                                                                            }
2603                                                                        })
2604                                                                        .ok();
2605                                                                }
2606                                                            })
2607                                                    })
2608                                                ))
2609                                                .children(current_status.as_ref().map(|status| {
2610                                                    h_flex().w_full().justify_end().child(
2611                                                        status.into_element(
2612                                                            step_range.clone(),
2613                                                            editor_focus_handle.clone(),
2614                                                            weak_self.clone(),
2615                                                            cx,
2616                                                        ),
2617                                                    )
2618                                                })),
2619                                        )
2620                                        .into_any()
2621                                }
2622                            }),
2623                            disposition: BlockDisposition::Above,
2624                            priority: 0,
2625                        },
2626                        BlockProperties {
2627                            position: end,
2628                            height: 0,
2629                            style: BlockStyle::Sticky,
2630                            render: Box::new(move |cx| {
2631                                let current_status = weak_self
2632                                    .update(&mut **cx, |context_editor, cx| {
2633                                        let step =
2634                                            context_editor.workflow_steps.get(&step_range)?;
2635                                        Some(step.status(cx))
2636                                    })
2637                                    .ok()
2638                                    .flatten();
2639                                let theme = cx.theme().status();
2640                                let border_color = if current_status
2641                                    .as_ref()
2642                                    .map_or(false, |status| status.is_confirmed())
2643                                {
2644                                    theme.ignored_border
2645                                } else {
2646                                    theme.info_border
2647                                };
2648
2649                                div()
2650                                    .w_full()
2651                                    .px(cx.gutter_dimensions.full_width())
2652                                    .child(h_flex().h(px(1.)).bg(border_color))
2653                                    .into_any()
2654                            }),
2655                            disposition: BlockDisposition::Below,
2656                            priority: 0,
2657                        },
2658                    ],
2659                    None,
2660                    cx,
2661                )
2662            });
2663            self.workflow_steps.insert(
2664                step_range.clone(),
2665                WorkflowStep {
2666                    range: step_range.clone(),
2667                    header_block_id: block_ids[0],
2668                    footer_block_id: block_ids[1],
2669                    resolved_step,
2670                    assist: None,
2671                },
2672            );
2673        }
2674
2675        self.update_active_workflow_step(cx);
2676    }
2677
2678    fn update_active_workflow_step(&mut self, cx: &mut ViewContext<Self>) {
2679        let new_step = self.active_workflow_step_for_cursor(cx);
2680        if new_step.as_ref() != self.active_workflow_step.as_ref() {
2681            if let Some(old_step) = self.active_workflow_step.take() {
2682                self.hide_workflow_step(old_step.range, cx);
2683            }
2684
2685            if let Some(new_step) = new_step {
2686                self.show_workflow_step(new_step.range.clone(), cx);
2687                self.active_workflow_step = Some(new_step);
2688            }
2689        }
2690    }
2691
2692    fn hide_workflow_step(
2693        &mut self,
2694        step_range: Range<language::Anchor>,
2695        cx: &mut ViewContext<Self>,
2696    ) {
2697        let Some(step) = self.workflow_steps.get_mut(&step_range) else {
2698            return;
2699        };
2700        let Some(assist) = step.assist.as_ref() else {
2701            return;
2702        };
2703        let Some(editor) = assist.editor.upgrade() else {
2704            return;
2705        };
2706
2707        if matches!(step.status(cx), WorkflowStepStatus::Idle) {
2708            let assist = step.assist.take().unwrap();
2709            InlineAssistant::update_global(cx, |assistant, cx| {
2710                for assist_id in assist.assist_ids {
2711                    assistant.finish_assist(assist_id, true, cx)
2712                }
2713            });
2714
2715            self.workspace
2716                .update(cx, |workspace, cx| {
2717                    if let Some(pane) = workspace.pane_for(&editor) {
2718                        pane.update(cx, |pane, cx| {
2719                            let item_id = editor.entity_id();
2720                            if !assist.editor_was_open && pane.is_active_preview_item(item_id) {
2721                                pane.close_item_by_id(item_id, SaveIntent::Skip, cx)
2722                                    .detach_and_log_err(cx);
2723                            }
2724                        });
2725                    }
2726                })
2727                .ok();
2728        }
2729    }
2730
2731    fn show_workflow_step(
2732        &mut self,
2733        step_range: Range<language::Anchor>,
2734        cx: &mut ViewContext<Self>,
2735    ) {
2736        let Some(step) = self.workflow_steps.get_mut(&step_range) else {
2737            return;
2738        };
2739
2740        let mut scroll_to_assist_id = None;
2741        match step.status(cx) {
2742            WorkflowStepStatus::Idle => {
2743                if let Some(assist) = step.assist.as_ref() {
2744                    scroll_to_assist_id = assist.assist_ids.first().copied();
2745                } else if let Some(Ok(resolved)) = step.resolved_step.as_ref() {
2746                    step.assist = Self::open_assists_for_step(
2747                        resolved,
2748                        &self.project,
2749                        &self.assistant_panel,
2750                        &self.workspace,
2751                        cx,
2752                    );
2753                }
2754            }
2755            WorkflowStepStatus::Pending => {
2756                if let Some(assist) = step.assist.as_ref() {
2757                    let assistant = InlineAssistant::global(cx);
2758                    scroll_to_assist_id = assist
2759                        .assist_ids
2760                        .iter()
2761                        .copied()
2762                        .find(|assist_id| assistant.assist_status(*assist_id, cx).is_pending());
2763                }
2764            }
2765            WorkflowStepStatus::Done => {
2766                if let Some(assist) = step.assist.as_ref() {
2767                    scroll_to_assist_id = assist.assist_ids.first().copied();
2768                }
2769            }
2770            _ => {}
2771        }
2772
2773        if let Some(assist_id) = scroll_to_assist_id {
2774            if let Some(editor) = step
2775                .assist
2776                .as_ref()
2777                .and_then(|assists| assists.editor.upgrade())
2778            {
2779                self.workspace
2780                    .update(cx, |workspace, cx| {
2781                        workspace.activate_item(&editor, false, false, cx);
2782                    })
2783                    .ok();
2784                InlineAssistant::update_global(cx, |assistant, cx| {
2785                    assistant.scroll_to_assist(assist_id, cx)
2786                });
2787            }
2788        }
2789    }
2790
2791    fn open_assists_for_step(
2792        resolved_step: &ResolvedWorkflowStep,
2793        project: &Model<Project>,
2794        assistant_panel: &WeakView<AssistantPanel>,
2795        workspace: &WeakView<Workspace>,
2796        cx: &mut ViewContext<Self>,
2797    ) -> Option<WorkflowAssist> {
2798        let assistant_panel = assistant_panel.upgrade()?;
2799        if resolved_step.suggestions.is_empty() {
2800            return None;
2801        }
2802
2803        let editor;
2804        let mut editor_was_open = false;
2805        let mut suggestion_groups = Vec::new();
2806        if resolved_step.suggestions.len() == 1
2807            && resolved_step.suggestions.values().next().unwrap().len() == 1
2808        {
2809            // If there's only one buffer and one suggestion group, open it directly
2810            let (buffer, groups) = resolved_step.suggestions.iter().next().unwrap();
2811            let group = groups.into_iter().next().unwrap();
2812            editor = workspace
2813                .update(cx, |workspace, cx| {
2814                    let active_pane = workspace.active_pane().clone();
2815                    editor_was_open =
2816                        workspace.is_project_item_open::<Editor>(&active_pane, buffer, cx);
2817                    workspace.open_project_item::<Editor>(
2818                        active_pane,
2819                        buffer.clone(),
2820                        false,
2821                        false,
2822                        cx,
2823                    )
2824                })
2825                .log_err()?;
2826
2827            let (&excerpt_id, _, _) = editor
2828                .read(cx)
2829                .buffer()
2830                .read(cx)
2831                .read(cx)
2832                .as_singleton()
2833                .unwrap();
2834
2835            // Scroll the editor to the suggested assist
2836            editor.update(cx, |editor, cx| {
2837                let multibuffer = editor.buffer().read(cx).snapshot(cx);
2838                let (&excerpt_id, _, buffer) = multibuffer.as_singleton().unwrap();
2839                let anchor = if group.context_range.start.to_offset(buffer) == 0 {
2840                    Anchor::min()
2841                } else {
2842                    multibuffer
2843                        .anchor_in_excerpt(excerpt_id, group.context_range.start)
2844                        .unwrap()
2845                };
2846
2847                editor.set_scroll_anchor(
2848                    ScrollAnchor {
2849                        offset: gpui::Point::default(),
2850                        anchor,
2851                    },
2852                    cx,
2853                );
2854            });
2855
2856            suggestion_groups.push((excerpt_id, group));
2857        } else {
2858            // If there are multiple buffers or suggestion groups, create a multibuffer
2859            let multibuffer = cx.new_model(|cx| {
2860                let replica_id = project.read(cx).replica_id();
2861                let mut multibuffer = MultiBuffer::new(replica_id, Capability::ReadWrite)
2862                    .with_title(resolved_step.title.clone());
2863                for (buffer, groups) in &resolved_step.suggestions {
2864                    let excerpt_ids = multibuffer.push_excerpts(
2865                        buffer.clone(),
2866                        groups.iter().map(|suggestion_group| ExcerptRange {
2867                            context: suggestion_group.context_range.clone(),
2868                            primary: None,
2869                        }),
2870                        cx,
2871                    );
2872                    suggestion_groups.extend(excerpt_ids.into_iter().zip(groups));
2873                }
2874                multibuffer
2875            });
2876
2877            editor = cx.new_view(|cx| {
2878                Editor::for_multibuffer(multibuffer, Some(project.clone()), true, cx)
2879            });
2880            workspace
2881                .update(cx, |workspace, cx| {
2882                    workspace.add_item_to_active_pane(Box::new(editor.clone()), None, false, cx)
2883                })
2884                .log_err()?;
2885        }
2886
2887        let mut assist_ids = Vec::new();
2888        for (excerpt_id, suggestion_group) in suggestion_groups {
2889            for suggestion in &suggestion_group.suggestions {
2890                assist_ids.extend(suggestion.show(
2891                    &editor,
2892                    excerpt_id,
2893                    workspace,
2894                    &assistant_panel,
2895                    cx,
2896                ));
2897            }
2898        }
2899
2900        let mut observations = Vec::new();
2901        InlineAssistant::update_global(cx, |assistant, _cx| {
2902            for assist_id in &assist_ids {
2903                observations.push(assistant.observe_assist(*assist_id));
2904            }
2905        });
2906
2907        Some(WorkflowAssist {
2908            assist_ids,
2909            editor: editor.downgrade(),
2910            editor_was_open,
2911            _observe_assist_status: cx.spawn(|this, mut cx| async move {
2912                while !observations.is_empty() {
2913                    let (result, ix, _) = futures::future::select_all(
2914                        observations
2915                            .iter_mut()
2916                            .map(|observation| Box::pin(observation.changed())),
2917                    )
2918                    .await;
2919
2920                    if result.is_err() {
2921                        observations.remove(ix);
2922                    }
2923
2924                    if this.update(&mut cx, |_, cx| cx.notify()).is_err() {
2925                        break;
2926                    }
2927                }
2928            }),
2929        })
2930    }
2931
2932    fn handle_editor_search_event(
2933        &mut self,
2934        _: View<Editor>,
2935        event: &SearchEvent,
2936        cx: &mut ViewContext<Self>,
2937    ) {
2938        cx.emit(event.clone());
2939    }
2940
2941    fn cursor_scroll_position(&self, cx: &mut ViewContext<Self>) -> Option<ScrollPosition> {
2942        self.editor.update(cx, |editor, cx| {
2943            let snapshot = editor.snapshot(cx);
2944            let cursor = editor.selections.newest_anchor().head();
2945            let cursor_row = cursor
2946                .to_display_point(&snapshot.display_snapshot)
2947                .row()
2948                .as_f32();
2949            let scroll_position = editor
2950                .scroll_manager
2951                .anchor()
2952                .scroll_position(&snapshot.display_snapshot);
2953
2954            let scroll_bottom = scroll_position.y + editor.visible_line_count().unwrap_or(0.);
2955            if (scroll_position.y..scroll_bottom).contains(&cursor_row) {
2956                Some(ScrollPosition {
2957                    cursor,
2958                    offset_before_cursor: point(scroll_position.x, cursor_row - scroll_position.y),
2959                })
2960            } else {
2961                None
2962            }
2963        })
2964    }
2965
2966    fn update_message_headers(&mut self, cx: &mut ViewContext<Self>) {
2967        self.editor.update(cx, |editor, cx| {
2968            let buffer = editor.buffer().read(cx).snapshot(cx);
2969            let excerpt_id = *buffer.as_singleton().unwrap().0;
2970            let old_blocks = std::mem::take(&mut self.blocks);
2971            let new_blocks = self
2972                .context
2973                .read(cx)
2974                .messages(cx)
2975                .map(|message| BlockProperties {
2976                    position: buffer
2977                        .anchor_in_excerpt(excerpt_id, message.anchor)
2978                        .unwrap(),
2979                    height: 2,
2980                    style: BlockStyle::Sticky,
2981                    render: Box::new({
2982                        let context = self.context.clone();
2983                        move |cx| {
2984                            let message_id = message.id;
2985                            let show_spinner = message.role == Role::Assistant
2986                                && message.status == MessageStatus::Pending;
2987
2988                            let label = match message.role {
2989                                Role::User => {
2990                                    Label::new("You").color(Color::Default).into_any_element()
2991                                }
2992                                Role::Assistant => {
2993                                    let label = Label::new("Assistant").color(Color::Info);
2994                                    if show_spinner {
2995                                        label
2996                                            .with_animation(
2997                                                "pulsating-label",
2998                                                Animation::new(Duration::from_secs(2))
2999                                                    .repeat()
3000                                                    .with_easing(pulsating_between(0.4, 0.8)),
3001                                                |label, delta| label.alpha(delta),
3002                                            )
3003                                            .into_any_element()
3004                                    } else {
3005                                        label.into_any_element()
3006                                    }
3007                                }
3008
3009                                Role::System => Label::new("System")
3010                                    .color(Color::Warning)
3011                                    .into_any_element(),
3012                            };
3013
3014                            let sender = ButtonLike::new("role")
3015                                .style(ButtonStyle::Filled)
3016                                .child(label)
3017                                .tooltip(|cx| {
3018                                    Tooltip::with_meta(
3019                                        "Toggle message role",
3020                                        None,
3021                                        "Available roles: You (User), Assistant, System",
3022                                        cx,
3023                                    )
3024                                })
3025                                .on_click({
3026                                    let context = context.clone();
3027                                    move |_, cx| {
3028                                        context.update(cx, |context, cx| {
3029                                            context.cycle_message_roles(
3030                                                HashSet::from_iter(Some(message_id)),
3031                                                cx,
3032                                            )
3033                                        })
3034                                    }
3035                                });
3036
3037                            h_flex()
3038                                .id(("message_header", message_id.as_u64()))
3039                                .pl(cx.gutter_dimensions.full_width())
3040                                .h_11()
3041                                .w_full()
3042                                .relative()
3043                                .gap_1()
3044                                .child(sender)
3045                                .children(match &message.status {
3046                                    MessageStatus::Error(error) => Some(
3047                                        Button::new("show-error", "Error")
3048                                            .color(Color::Error)
3049                                            .selected_label_color(Color::Error)
3050                                            .selected_icon_color(Color::Error)
3051                                            .icon(IconName::XCircle)
3052                                            .icon_color(Color::Error)
3053                                            .icon_size(IconSize::Small)
3054                                            .icon_position(IconPosition::Start)
3055                                            .tooltip(move |cx| {
3056                                                Tooltip::with_meta(
3057                                                    "Error interacting with language model",
3058                                                    None,
3059                                                    "Click for more details",
3060                                                    cx,
3061                                                )
3062                                            })
3063                                            .on_click({
3064                                                let context = context.clone();
3065                                                let error = error.clone();
3066                                                move |_, cx| {
3067                                                    context.update(cx, |_, cx| {
3068                                                        cx.emit(ContextEvent::ShowAssistError(
3069                                                            error.clone(),
3070                                                        ));
3071                                                    });
3072                                                }
3073                                            })
3074                                            .into_any_element(),
3075                                    ),
3076                                    MessageStatus::Canceled => Some(
3077                                        ButtonLike::new("canceled")
3078                                            .child(
3079                                                Icon::new(IconName::XCircle).color(Color::Disabled),
3080                                            )
3081                                            .child(
3082                                                Label::new("Canceled")
3083                                                    .size(LabelSize::Small)
3084                                                    .color(Color::Disabled),
3085                                            )
3086                                            .tooltip(move |cx| {
3087                                                Tooltip::with_meta(
3088                                                    "Canceled",
3089                                                    None,
3090                                                    "Interaction with the assistant was canceled",
3091                                                    cx,
3092                                                )
3093                                            })
3094                                            .into_any_element(),
3095                                    ),
3096                                    _ => None,
3097                                })
3098                                .into_any_element()
3099                        }
3100                    }),
3101                    disposition: BlockDisposition::Above,
3102                    priority: usize::MAX,
3103                })
3104                .collect::<Vec<_>>();
3105
3106            editor.remove_blocks(old_blocks, None, cx);
3107            let ids = editor.insert_blocks(new_blocks, None, cx);
3108            self.blocks = HashSet::from_iter(ids);
3109        });
3110    }
3111
3112    fn insert_selection(
3113        workspace: &mut Workspace,
3114        _: &InsertIntoEditor,
3115        cx: &mut ViewContext<Workspace>,
3116    ) {
3117        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
3118            return;
3119        };
3120        let Some(context_editor_view) = panel.read(cx).active_context_editor(cx) else {
3121            return;
3122        };
3123        let Some(active_editor_view) = workspace
3124            .active_item(cx)
3125            .and_then(|item| item.act_as::<Editor>(cx))
3126        else {
3127            return;
3128        };
3129
3130        let context_editor = context_editor_view.read(cx).editor.read(cx);
3131        let anchor = context_editor.selections.newest_anchor();
3132        let text = context_editor
3133            .buffer()
3134            .read(cx)
3135            .read(cx)
3136            .text_for_range(anchor.range())
3137            .collect::<String>();
3138
3139        // If nothing is selected, don't delete the current selection; instead, be a no-op.
3140        if !text.is_empty() {
3141            active_editor_view.update(cx, |editor, cx| {
3142                editor.insert(&text, cx);
3143                editor.focus(cx);
3144            })
3145        }
3146    }
3147
3148    fn quote_selection(
3149        workspace: &mut Workspace,
3150        _: &QuoteSelection,
3151        cx: &mut ViewContext<Workspace>,
3152    ) {
3153        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
3154            return;
3155        };
3156        let Some(editor) = workspace
3157            .active_item(cx)
3158            .and_then(|item| item.act_as::<Editor>(cx))
3159        else {
3160            return;
3161        };
3162
3163        let selection = editor.update(cx, |editor, cx| editor.selections.newest_adjusted(cx));
3164        let editor = editor.read(cx);
3165        let buffer = editor.buffer().read(cx).snapshot(cx);
3166        let range = editor::ToOffset::to_offset(&selection.start, &buffer)
3167            ..editor::ToOffset::to_offset(&selection.end, &buffer);
3168        let selected_text = buffer.text_for_range(range.clone()).collect::<String>();
3169        if selected_text.is_empty() {
3170            return;
3171        }
3172
3173        let start_language = buffer.language_at(range.start);
3174        let end_language = buffer.language_at(range.end);
3175        let language_name = if start_language == end_language {
3176            start_language.map(|language| language.code_fence_block_name())
3177        } else {
3178            None
3179        };
3180        let language_name = language_name.as_deref().unwrap_or("");
3181
3182        let filename = buffer
3183            .file_at(selection.start)
3184            .map(|file| file.full_path(cx));
3185
3186        let text = if language_name == "markdown" {
3187            selected_text
3188                .lines()
3189                .map(|line| format!("> {}", line))
3190                .collect::<Vec<_>>()
3191                .join("\n")
3192        } else {
3193            let start_symbols = buffer
3194                .symbols_containing(selection.start, None)
3195                .map(|(_, symbols)| symbols);
3196            let end_symbols = buffer
3197                .symbols_containing(selection.end, None)
3198                .map(|(_, symbols)| symbols);
3199
3200            let outline_text =
3201                if let Some((start_symbols, end_symbols)) = start_symbols.zip(end_symbols) {
3202                    Some(
3203                        start_symbols
3204                            .into_iter()
3205                            .zip(end_symbols)
3206                            .take_while(|(a, b)| a == b)
3207                            .map(|(a, _)| a.text)
3208                            .collect::<Vec<_>>()
3209                            .join(" > "),
3210                    )
3211                } else {
3212                    None
3213                };
3214
3215            let line_comment_prefix = start_language
3216                .and_then(|l| l.default_scope().line_comment_prefixes().first().cloned());
3217
3218            let fence = codeblock_fence_for_path(
3219                filename.as_deref(),
3220                Some(selection.start.row..selection.end.row),
3221            );
3222
3223            if let Some((line_comment_prefix, outline_text)) = line_comment_prefix.zip(outline_text)
3224            {
3225                let breadcrumb = format!("{line_comment_prefix}Excerpt from: {outline_text}\n");
3226                format!("{fence}{breadcrumb}{selected_text}\n```")
3227            } else {
3228                format!("{fence}{selected_text}\n```")
3229            }
3230        };
3231
3232        let crease_title = if let Some(path) = filename {
3233            let start_line = selection.start.row + 1;
3234            let end_line = selection.end.row + 1;
3235            if start_line == end_line {
3236                format!("{}, Line {}", path.display(), start_line)
3237            } else {
3238                format!("{}, Lines {} to {}", path.display(), start_line, end_line)
3239            }
3240        } else {
3241            "Quoted selection".to_string()
3242        };
3243
3244        // Activate the panel
3245        if !panel.focus_handle(cx).contains_focused(cx) {
3246            workspace.toggle_panel_focus::<AssistantPanel>(cx);
3247        }
3248
3249        panel.update(cx, |_, cx| {
3250            // Wait to create a new context until the workspace is no longer
3251            // being updated.
3252            cx.defer(move |panel, cx| {
3253                if let Some(context) = panel
3254                    .active_context_editor(cx)
3255                    .or_else(|| panel.new_context(cx))
3256                {
3257                    context.update(cx, |context, cx| {
3258                        context.editor.update(cx, |editor, cx| {
3259                            editor.insert("\n", cx);
3260
3261                            let point = editor.selections.newest::<Point>(cx).head();
3262                            let start_row = MultiBufferRow(point.row);
3263
3264                            editor.insert(&text, cx);
3265
3266                            let snapshot = editor.buffer().read(cx).snapshot(cx);
3267                            let anchor_before = snapshot.anchor_after(point);
3268                            let anchor_after = editor
3269                                .selections
3270                                .newest_anchor()
3271                                .head()
3272                                .bias_left(&snapshot);
3273
3274                            editor.insert("\n", cx);
3275
3276                            let fold_placeholder = quote_selection_fold_placeholder(
3277                                crease_title,
3278                                cx.view().downgrade(),
3279                            );
3280                            let crease = Crease::new(
3281                                anchor_before..anchor_after,
3282                                fold_placeholder,
3283                                render_quote_selection_output_toggle,
3284                                |_, _, _| Empty.into_any(),
3285                            );
3286                            editor.insert_creases(vec![crease], cx);
3287                            editor.fold_at(
3288                                &FoldAt {
3289                                    buffer_row: start_row,
3290                                },
3291                                cx,
3292                            );
3293                        })
3294                    });
3295                };
3296            });
3297        });
3298    }
3299
3300    fn copy(&mut self, _: &editor::actions::Copy, cx: &mut ViewContext<Self>) {
3301        let editor = self.editor.read(cx);
3302        let context = self.context.read(cx);
3303        if editor.selections.count() == 1 {
3304            let selection = editor.selections.newest::<usize>(cx);
3305            let mut copied_text = String::new();
3306            let mut spanned_messages = 0;
3307            for message in context.messages(cx) {
3308                if message.offset_range.start >= selection.range().end {
3309                    break;
3310                } else if message.offset_range.end >= selection.range().start {
3311                    let range = cmp::max(message.offset_range.start, selection.range().start)
3312                        ..cmp::min(message.offset_range.end, selection.range().end);
3313                    if !range.is_empty() {
3314                        spanned_messages += 1;
3315                        write!(&mut copied_text, "## {}\n\n", message.role).unwrap();
3316                        for chunk in context.buffer().read(cx).text_for_range(range) {
3317                            copied_text.push_str(chunk);
3318                        }
3319                        copied_text.push('\n');
3320                    }
3321                }
3322            }
3323
3324            if spanned_messages > 1 {
3325                cx.write_to_clipboard(ClipboardItem::new_string(copied_text));
3326                return;
3327            }
3328        }
3329
3330        cx.propagate();
3331    }
3332
3333    fn paste(&mut self, _: &editor::actions::Paste, cx: &mut ViewContext<Self>) {
3334        let images = if let Some(item) = cx.read_from_clipboard() {
3335            item.into_entries()
3336                .filter_map(|entry| {
3337                    if let ClipboardEntry::Image(image) = entry {
3338                        Some(image)
3339                    } else {
3340                        None
3341                    }
3342                })
3343                .collect()
3344        } else {
3345            Vec::new()
3346        };
3347
3348        if images.is_empty() {
3349            // If we didn't find any valid image data to paste, propagate to let normal pasting happen.
3350            cx.propagate();
3351        } else {
3352            let mut image_positions = Vec::new();
3353            self.editor.update(cx, |editor, cx| {
3354                editor.transact(cx, |editor, cx| {
3355                    let edits = editor
3356                        .selections
3357                        .all::<usize>(cx)
3358                        .into_iter()
3359                        .map(|selection| (selection.start..selection.end, "\n"));
3360                    editor.edit(edits, cx);
3361
3362                    let snapshot = editor.buffer().read(cx).snapshot(cx);
3363                    for selection in editor.selections.all::<usize>(cx) {
3364                        image_positions.push(snapshot.anchor_before(selection.end));
3365                    }
3366                });
3367            });
3368
3369            self.context.update(cx, |context, cx| {
3370                for image in images {
3371                    let image_id = image.id();
3372                    context.insert_image(image, cx);
3373                    for image_position in image_positions.iter() {
3374                        context.insert_image_anchor(image_id, image_position.text_anchor, cx);
3375                    }
3376                }
3377            });
3378        }
3379    }
3380
3381    fn update_image_blocks(&mut self, cx: &mut ViewContext<Self>) {
3382        self.editor.update(cx, |editor, cx| {
3383            let buffer = editor.buffer().read(cx).snapshot(cx);
3384            let excerpt_id = *buffer.as_singleton().unwrap().0;
3385            let old_blocks = std::mem::take(&mut self.image_blocks);
3386            let new_blocks = self
3387                .context
3388                .read(cx)
3389                .images(cx)
3390                .filter_map(|image| {
3391                    const MAX_HEIGHT_IN_LINES: u32 = 8;
3392                    let anchor = buffer.anchor_in_excerpt(excerpt_id, image.anchor).unwrap();
3393                    let image = image.render_image.clone();
3394                    anchor.is_valid(&buffer).then(|| BlockProperties {
3395                        position: anchor,
3396                        height: MAX_HEIGHT_IN_LINES,
3397                        style: BlockStyle::Sticky,
3398                        render: Box::new(move |cx| {
3399                            let image_size = size_for_image(
3400                                &image,
3401                                size(
3402                                    cx.max_width - cx.gutter_dimensions.full_width(),
3403                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
3404                                ),
3405                            );
3406                            h_flex()
3407                                .pl(cx.gutter_dimensions.full_width())
3408                                .child(
3409                                    img(image.clone())
3410                                        .object_fit(gpui::ObjectFit::ScaleDown)
3411                                        .w(image_size.width)
3412                                        .h(image_size.height),
3413                                )
3414                                .into_any_element()
3415                        }),
3416
3417                        disposition: BlockDisposition::Above,
3418                        priority: 0,
3419                    })
3420                })
3421                .collect::<Vec<_>>();
3422
3423            editor.remove_blocks(old_blocks, None, cx);
3424            let ids = editor.insert_blocks(new_blocks, None, cx);
3425            self.image_blocks = HashSet::from_iter(ids);
3426        });
3427    }
3428
3429    fn split(&mut self, _: &Split, cx: &mut ViewContext<Self>) {
3430        self.context.update(cx, |context, cx| {
3431            let selections = self.editor.read(cx).selections.disjoint_anchors();
3432            for selection in selections.as_ref() {
3433                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
3434                let range = selection
3435                    .map(|endpoint| endpoint.to_offset(&buffer))
3436                    .range();
3437                context.split_message(range, cx);
3438            }
3439        });
3440    }
3441
3442    fn save(&mut self, _: &Save, cx: &mut ViewContext<Self>) {
3443        self.context.update(cx, |context, cx| {
3444            context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
3445        });
3446    }
3447
3448    fn title(&self, cx: &AppContext) -> Cow<str> {
3449        self.context
3450            .read(cx)
3451            .summary()
3452            .map(|summary| summary.text.clone())
3453            .map(Cow::Owned)
3454            .unwrap_or_else(|| Cow::Borrowed(DEFAULT_TAB_TITLE))
3455    }
3456
3457    fn render_notice(&self, cx: &mut ViewContext<Self>) -> Option<AnyElement> {
3458        use feature_flags::FeatureFlagAppExt;
3459        let nudge = self.assistant_panel.upgrade().map(|assistant_panel| {
3460            assistant_panel.read(cx).show_zed_ai_notice && cx.has_flag::<feature_flags::ZedPro>()
3461        });
3462
3463        if nudge.map_or(false, |value| value) {
3464            Some(
3465                h_flex()
3466                    .p_3()
3467                    .border_b_1()
3468                    .border_color(cx.theme().colors().border_variant)
3469                    .bg(cx.theme().colors().editor_background)
3470                    .justify_between()
3471                    .child(
3472                        h_flex()
3473                            .gap_3()
3474                            .child(Icon::new(IconName::ZedAssistant).color(Color::Accent))
3475                            .child(Label::new("Zed AI is here! Get started by signing in →")),
3476                    )
3477                    .child(
3478                        Button::new("sign-in", "Sign in")
3479                            .size(ButtonSize::Compact)
3480                            .style(ButtonStyle::Filled)
3481                            .on_click(cx.listener(|this, _event, cx| {
3482                                let client = this
3483                                    .workspace
3484                                    .update(cx, |workspace, _| workspace.client().clone())
3485                                    .log_err();
3486
3487                                if let Some(client) = client {
3488                                    cx.spawn(|this, mut cx| async move {
3489                                        client.authenticate_and_connect(true, &mut cx).await?;
3490                                        this.update(&mut cx, |_, cx| cx.notify())
3491                                    })
3492                                    .detach_and_log_err(cx)
3493                                }
3494                            })),
3495                    )
3496                    .into_any_element(),
3497            )
3498        } else if let Some(configuration_error) = configuration_error(cx) {
3499            let label = match configuration_error {
3500                ConfigurationError::NoProvider => "No LLM provider selected.",
3501                ConfigurationError::ProviderNotAuthenticated => "LLM provider is not configured.",
3502            };
3503            Some(
3504                h_flex()
3505                    .p_3()
3506                    .border_b_1()
3507                    .border_color(cx.theme().colors().border_variant)
3508                    .bg(cx.theme().colors().editor_background)
3509                    .justify_between()
3510                    .child(
3511                        h_flex()
3512                            .gap_3()
3513                            .child(
3514                                Icon::new(IconName::ExclamationTriangle)
3515                                    .size(IconSize::Small)
3516                                    .color(Color::Warning),
3517                            )
3518                            .child(Label::new(label)),
3519                    )
3520                    .child(
3521                        Button::new("open-configuration", "Open configuration")
3522                            .size(ButtonSize::Compact)
3523                            .icon_size(IconSize::Small)
3524                            .style(ButtonStyle::Filled)
3525                            .on_click({
3526                                let focus_handle = self.focus_handle(cx).clone();
3527                                move |_event, cx| {
3528                                    focus_handle.dispatch_action(&ShowConfiguration, cx);
3529                                }
3530                            }),
3531                    )
3532                    .into_any_element(),
3533            )
3534        } else {
3535            None
3536        }
3537    }
3538
3539    fn render_send_button(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3540        let focus_handle = self.focus_handle(cx).clone();
3541        let button_text = match self.active_workflow_step() {
3542            Some(step) => match step.status(cx) {
3543                WorkflowStepStatus::Resolving => "Resolving Step...",
3544                WorkflowStepStatus::Error(_) => "Retry Step Resolution",
3545                WorkflowStepStatus::Idle => "Transform",
3546                WorkflowStepStatus::Pending => "Transforming...",
3547                WorkflowStepStatus::Done => "Accept Transformation",
3548                WorkflowStepStatus::Confirmed => "Send",
3549            },
3550            None => "Send",
3551        };
3552
3553        let (style, tooltip) = match token_state(&self.context, cx) {
3554            Some(TokenState::NoTokensLeft { .. }) => (
3555                ButtonStyle::Tinted(TintColor::Negative),
3556                Some(Tooltip::text("Token limit reached", cx)),
3557            ),
3558            Some(TokenState::HasMoreTokens {
3559                over_warn_threshold,
3560                ..
3561            }) => {
3562                let (style, tooltip) = if over_warn_threshold {
3563                    (
3564                        ButtonStyle::Tinted(TintColor::Warning),
3565                        Some(Tooltip::text("Token limit is close to exhaustion", cx)),
3566                    )
3567                } else {
3568                    (ButtonStyle::Filled, None)
3569                };
3570                (style, tooltip)
3571            }
3572            None => (ButtonStyle::Filled, None),
3573        };
3574
3575        let provider = LanguageModelRegistry::read_global(cx).active_provider();
3576
3577        let needs_to_accept_terms = self.show_accept_terms
3578            && provider
3579                .as_ref()
3580                .map_or(false, |provider| provider.must_accept_terms(cx));
3581        let has_active_error = self.error_message.is_some();
3582        let disabled = needs_to_accept_terms || has_active_error;
3583
3584        ButtonLike::new("send_button")
3585            .disabled(disabled)
3586            .style(style)
3587            .when_some(tooltip, |button, tooltip| {
3588                button.tooltip(move |_| tooltip.clone())
3589            })
3590            .layer(ElevationIndex::ModalSurface)
3591            .children(
3592                KeyBinding::for_action_in(&Assist, &focus_handle, cx)
3593                    .map(|binding| binding.into_any_element()),
3594            )
3595            .child(Label::new(button_text))
3596            .on_click(move |_event, cx| {
3597                focus_handle.dispatch_action(&Assist, cx);
3598            })
3599    }
3600
3601    fn active_workflow_step_for_cursor(&self, cx: &AppContext) -> Option<ActiveWorkflowStep> {
3602        let newest_cursor = self.editor.read(cx).selections.newest::<usize>(cx).head();
3603        let context = self.context.read(cx);
3604        let buffer = context.buffer().read(cx);
3605
3606        let workflow_steps = context.workflow_steps();
3607        workflow_steps
3608            .binary_search_by(|step| {
3609                let step_range = step.tagged_range.to_offset(&buffer);
3610                if newest_cursor < step_range.start {
3611                    Ordering::Greater
3612                } else if newest_cursor > step_range.end {
3613                    Ordering::Less
3614                } else {
3615                    Ordering::Equal
3616                }
3617            })
3618            .ok()
3619            .and_then(|index| {
3620                let range = workflow_steps[index].tagged_range.clone();
3621                Some(ActiveWorkflowStep {
3622                    resolved: self.workflow_steps.get(&range)?.resolved_step.is_some(),
3623                    range,
3624                })
3625            })
3626    }
3627}
3628
3629impl EventEmitter<EditorEvent> for ContextEditor {}
3630impl EventEmitter<SearchEvent> for ContextEditor {}
3631
3632impl Render for ContextEditor {
3633    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3634        let provider = LanguageModelRegistry::read_global(cx).active_provider();
3635        let accept_terms = if self.show_accept_terms {
3636            provider
3637                .as_ref()
3638                .and_then(|provider| provider.render_accept_terms(cx))
3639        } else {
3640            None
3641        };
3642
3643        v_flex()
3644            .key_context("ContextEditor")
3645            .capture_action(cx.listener(ContextEditor::cancel))
3646            .capture_action(cx.listener(ContextEditor::save))
3647            .capture_action(cx.listener(ContextEditor::copy))
3648            .capture_action(cx.listener(ContextEditor::paste))
3649            .capture_action(cx.listener(ContextEditor::cycle_message_role))
3650            .capture_action(cx.listener(ContextEditor::confirm_command))
3651            .on_action(cx.listener(ContextEditor::assist))
3652            .on_action(cx.listener(ContextEditor::split))
3653            .on_action(cx.listener(ContextEditor::debug_workflow_steps))
3654            .size_full()
3655            .children(self.render_notice(cx))
3656            .child(
3657                div()
3658                    .flex_grow()
3659                    .bg(cx.theme().colors().editor_background)
3660                    .child(self.editor.clone()),
3661            )
3662            .when_some(accept_terms, |this, element| {
3663                this.child(
3664                    div()
3665                        .absolute()
3666                        .right_4()
3667                        .bottom_10()
3668                        .max_w_96()
3669                        .py_2()
3670                        .px_3()
3671                        .elevation_2(cx)
3672                        .bg(cx.theme().colors().surface_background)
3673                        .occlude()
3674                        .child(element),
3675                )
3676            })
3677            .when_some(self.error_message.clone(), |this, error_message| {
3678                this.child(
3679                    div()
3680                        .absolute()
3681                        .right_4()
3682                        .bottom_10()
3683                        .max_w_96()
3684                        .py_2()
3685                        .px_3()
3686                        .elevation_2(cx)
3687                        .occlude()
3688                        .child(
3689                            v_flex()
3690                                .gap_0p5()
3691                                .child(
3692                                    h_flex()
3693                                        .gap_1()
3694                                        .items_center()
3695                                        .child(Icon::new(IconName::XCircle).color(Color::Error))
3696                                        .child(
3697                                            Label::new("Error interacting with language model")
3698                                                .weight(FontWeight::SEMIBOLD),
3699                                        ),
3700                                )
3701                                .child(
3702                                    div()
3703                                        .id("error-message")
3704                                        .max_h_24()
3705                                        .overflow_y_scroll()
3706                                        .child(Label::new(error_message)),
3707                                )
3708                                .child(h_flex().justify_end().mt_1().child(
3709                                    Button::new("dismiss", "Dismiss").on_click(cx.listener(
3710                                        |this, _, cx| {
3711                                            this.error_message = None;
3712                                            cx.notify();
3713                                        },
3714                                    )),
3715                                )),
3716                        ),
3717                )
3718            })
3719            .child(
3720                h_flex().flex_none().relative().child(
3721                    h_flex()
3722                        .w_full()
3723                        .absolute()
3724                        .right_4()
3725                        .bottom_2()
3726                        .justify_end()
3727                        .child(self.render_send_button(cx)),
3728                ),
3729            )
3730    }
3731}
3732
3733impl FocusableView for ContextEditor {
3734    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
3735        self.editor.focus_handle(cx)
3736    }
3737}
3738
3739impl Item for ContextEditor {
3740    type Event = editor::EditorEvent;
3741
3742    fn tab_content_text(&self, cx: &WindowContext) -> Option<SharedString> {
3743        Some(util::truncate_and_trailoff(&self.title(cx), MAX_TAB_TITLE_LEN).into())
3744    }
3745
3746    fn to_item_events(event: &Self::Event, mut f: impl FnMut(item::ItemEvent)) {
3747        match event {
3748            EditorEvent::Edited { .. } => {
3749                f(item::ItemEvent::Edit);
3750            }
3751            EditorEvent::TitleChanged => {
3752                f(item::ItemEvent::UpdateTab);
3753            }
3754            _ => {}
3755        }
3756    }
3757
3758    fn tab_tooltip_text(&self, cx: &AppContext) -> Option<SharedString> {
3759        Some(self.title(cx).to_string().into())
3760    }
3761
3762    fn as_searchable(&self, handle: &View<Self>) -> Option<Box<dyn SearchableItemHandle>> {
3763        Some(Box::new(handle.clone()))
3764    }
3765
3766    fn set_nav_history(&mut self, nav_history: pane::ItemNavHistory, cx: &mut ViewContext<Self>) {
3767        self.editor.update(cx, |editor, cx| {
3768            Item::set_nav_history(editor, nav_history, cx)
3769        })
3770    }
3771
3772    fn navigate(&mut self, data: Box<dyn std::any::Any>, cx: &mut ViewContext<Self>) -> bool {
3773        self.editor
3774            .update(cx, |editor, cx| Item::navigate(editor, data, cx))
3775    }
3776
3777    fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
3778        self.editor
3779            .update(cx, |editor, cx| Item::deactivated(editor, cx))
3780    }
3781}
3782
3783impl SearchableItem for ContextEditor {
3784    type Match = <Editor as SearchableItem>::Match;
3785
3786    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
3787        self.editor.update(cx, |editor, cx| {
3788            editor.clear_matches(cx);
3789        });
3790    }
3791
3792    fn update_matches(&mut self, matches: &[Self::Match], cx: &mut ViewContext<Self>) {
3793        self.editor
3794            .update(cx, |editor, cx| editor.update_matches(matches, cx));
3795    }
3796
3797    fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> String {
3798        self.editor
3799            .update(cx, |editor, cx| editor.query_suggestion(cx))
3800    }
3801
3802    fn activate_match(
3803        &mut self,
3804        index: usize,
3805        matches: &[Self::Match],
3806        cx: &mut ViewContext<Self>,
3807    ) {
3808        self.editor.update(cx, |editor, cx| {
3809            editor.activate_match(index, matches, cx);
3810        });
3811    }
3812
3813    fn select_matches(&mut self, matches: &[Self::Match], cx: &mut ViewContext<Self>) {
3814        self.editor
3815            .update(cx, |editor, cx| editor.select_matches(matches, cx));
3816    }
3817
3818    fn replace(
3819        &mut self,
3820        identifier: &Self::Match,
3821        query: &project::search::SearchQuery,
3822        cx: &mut ViewContext<Self>,
3823    ) {
3824        self.editor
3825            .update(cx, |editor, cx| editor.replace(identifier, query, cx));
3826    }
3827
3828    fn find_matches(
3829        &mut self,
3830        query: Arc<project::search::SearchQuery>,
3831        cx: &mut ViewContext<Self>,
3832    ) -> Task<Vec<Self::Match>> {
3833        self.editor
3834            .update(cx, |editor, cx| editor.find_matches(query, cx))
3835    }
3836
3837    fn active_match_index(
3838        &mut self,
3839        matches: &[Self::Match],
3840        cx: &mut ViewContext<Self>,
3841    ) -> Option<usize> {
3842        self.editor
3843            .update(cx, |editor, cx| editor.active_match_index(matches, cx))
3844    }
3845}
3846
3847impl FollowableItem for ContextEditor {
3848    fn remote_id(&self) -> Option<workspace::ViewId> {
3849        self.remote_id
3850    }
3851
3852    fn to_state_proto(&self, cx: &WindowContext) -> Option<proto::view::Variant> {
3853        let context = self.context.read(cx);
3854        Some(proto::view::Variant::ContextEditor(
3855            proto::view::ContextEditor {
3856                context_id: context.id().to_proto(),
3857                editor: if let Some(proto::view::Variant::Editor(proto)) =
3858                    self.editor.read(cx).to_state_proto(cx)
3859                {
3860                    Some(proto)
3861                } else {
3862                    None
3863                },
3864            },
3865        ))
3866    }
3867
3868    fn from_state_proto(
3869        workspace: View<Workspace>,
3870        id: workspace::ViewId,
3871        state: &mut Option<proto::view::Variant>,
3872        cx: &mut WindowContext,
3873    ) -> Option<Task<Result<View<Self>>>> {
3874        let proto::view::Variant::ContextEditor(_) = state.as_ref()? else {
3875            return None;
3876        };
3877        let Some(proto::view::Variant::ContextEditor(state)) = state.take() else {
3878            unreachable!()
3879        };
3880
3881        let context_id = ContextId::from_proto(state.context_id);
3882        let editor_state = state.editor?;
3883
3884        let (project, panel) = workspace.update(cx, |workspace, cx| {
3885            Some((
3886                workspace.project().clone(),
3887                workspace.panel::<AssistantPanel>(cx)?,
3888            ))
3889        })?;
3890
3891        let context_editor =
3892            panel.update(cx, |panel, cx| panel.open_remote_context(context_id, cx));
3893
3894        Some(cx.spawn(|mut cx| async move {
3895            let context_editor = context_editor.await?;
3896            context_editor
3897                .update(&mut cx, |context_editor, cx| {
3898                    context_editor.remote_id = Some(id);
3899                    context_editor.editor.update(cx, |editor, cx| {
3900                        editor.apply_update_proto(
3901                            &project,
3902                            proto::update_view::Variant::Editor(proto::update_view::Editor {
3903                                selections: editor_state.selections,
3904                                pending_selection: editor_state.pending_selection,
3905                                scroll_top_anchor: editor_state.scroll_top_anchor,
3906                                scroll_x: editor_state.scroll_y,
3907                                scroll_y: editor_state.scroll_y,
3908                                ..Default::default()
3909                            }),
3910                            cx,
3911                        )
3912                    })
3913                })?
3914                .await?;
3915            Ok(context_editor)
3916        }))
3917    }
3918
3919    fn to_follow_event(event: &Self::Event) -> Option<item::FollowEvent> {
3920        Editor::to_follow_event(event)
3921    }
3922
3923    fn add_event_to_update_proto(
3924        &self,
3925        event: &Self::Event,
3926        update: &mut Option<proto::update_view::Variant>,
3927        cx: &WindowContext,
3928    ) -> bool {
3929        self.editor
3930            .read(cx)
3931            .add_event_to_update_proto(event, update, cx)
3932    }
3933
3934    fn apply_update_proto(
3935        &mut self,
3936        project: &Model<Project>,
3937        message: proto::update_view::Variant,
3938        cx: &mut ViewContext<Self>,
3939    ) -> Task<Result<()>> {
3940        self.editor.update(cx, |editor, cx| {
3941            editor.apply_update_proto(project, message, cx)
3942        })
3943    }
3944
3945    fn is_project_item(&self, _cx: &WindowContext) -> bool {
3946        true
3947    }
3948
3949    fn set_leader_peer_id(
3950        &mut self,
3951        leader_peer_id: Option<proto::PeerId>,
3952        cx: &mut ViewContext<Self>,
3953    ) {
3954        self.editor.update(cx, |editor, cx| {
3955            editor.set_leader_peer_id(leader_peer_id, cx)
3956        })
3957    }
3958
3959    fn dedup(&self, existing: &Self, cx: &WindowContext) -> Option<item::Dedup> {
3960        if existing.context.read(cx).id() == self.context.read(cx).id() {
3961            Some(item::Dedup::KeepExisting)
3962        } else {
3963            None
3964        }
3965    }
3966}
3967
3968pub struct ContextEditorToolbarItem {
3969    fs: Arc<dyn Fs>,
3970    workspace: WeakView<Workspace>,
3971    active_context_editor: Option<WeakView<ContextEditor>>,
3972    model_summary_editor: View<Editor>,
3973}
3974
3975impl ContextEditorToolbarItem {
3976    pub fn new(
3977        workspace: &Workspace,
3978        _model_selector_menu_handle: PopoverMenuHandle<ContextMenu>,
3979        model_summary_editor: View<Editor>,
3980    ) -> Self {
3981        Self {
3982            fs: workspace.app_state().fs.clone(),
3983            workspace: workspace.weak_handle(),
3984            active_context_editor: None,
3985            model_summary_editor,
3986        }
3987    }
3988
3989    fn render_inject_context_menu(&self, cx: &mut ViewContext<Self>) -> impl Element {
3990        let commands = SlashCommandRegistry::global(cx);
3991        let active_editor_focus_handle = self.workspace.upgrade().and_then(|workspace| {
3992            Some(
3993                workspace
3994                    .read(cx)
3995                    .active_item_as::<Editor>(cx)?
3996                    .focus_handle(cx),
3997            )
3998        });
3999        let active_context_editor = self.active_context_editor.clone();
4000
4001        PopoverMenu::new("inject-context-menu")
4002            .trigger(IconButton::new("trigger", IconName::Quote).tooltip(|cx| {
4003                Tooltip::with_meta("Insert Context", None, "Type / to insert via keyboard", cx)
4004            }))
4005            .menu(move |cx| {
4006                let active_context_editor = active_context_editor.clone()?;
4007                ContextMenu::build(cx, |mut menu, _cx| {
4008                    for command_name in commands.featured_command_names() {
4009                        if let Some(command) = commands.command(&command_name) {
4010                            let menu_text = SharedString::from(Arc::from(command.menu_text()));
4011                            menu = menu.custom_entry(
4012                                {
4013                                    let command_name = command_name.clone();
4014                                    move |_cx| {
4015                                        h_flex()
4016                                            .gap_4()
4017                                            .w_full()
4018                                            .justify_between()
4019                                            .child(Label::new(menu_text.clone()))
4020                                            .child(
4021                                                Label::new(format!("/{command_name}"))
4022                                                    .color(Color::Muted),
4023                                            )
4024                                            .into_any()
4025                                    }
4026                                },
4027                                {
4028                                    let active_context_editor = active_context_editor.clone();
4029                                    move |cx| {
4030                                        active_context_editor
4031                                            .update(cx, |context_editor, cx| {
4032                                                context_editor.insert_command(&command_name, cx)
4033                                            })
4034                                            .ok();
4035                                    }
4036                                },
4037                            )
4038                        }
4039                    }
4040
4041                    if let Some(active_editor_focus_handle) = active_editor_focus_handle.clone() {
4042                        menu = menu
4043                            .context(active_editor_focus_handle)
4044                            .action("Quote Selection", Box::new(QuoteSelection));
4045                    }
4046
4047                    menu
4048                })
4049                .into()
4050            })
4051    }
4052
4053    fn render_remaining_tokens(&self, cx: &mut ViewContext<Self>) -> Option<impl IntoElement> {
4054        let context = &self
4055            .active_context_editor
4056            .as_ref()?
4057            .upgrade()?
4058            .read(cx)
4059            .context;
4060        let (token_count_color, token_count, max_token_count) = match token_state(context, cx)? {
4061            TokenState::NoTokensLeft {
4062                max_token_count,
4063                token_count,
4064            } => (Color::Error, token_count, max_token_count),
4065            TokenState::HasMoreTokens {
4066                max_token_count,
4067                token_count,
4068                over_warn_threshold,
4069            } => {
4070                let color = if over_warn_threshold {
4071                    Color::Warning
4072                } else {
4073                    Color::Muted
4074                };
4075                (color, token_count, max_token_count)
4076            }
4077        };
4078        Some(
4079            h_flex()
4080                .gap_0p5()
4081                .child(
4082                    Label::new(humanize_token_count(token_count))
4083                        .size(LabelSize::Small)
4084                        .color(token_count_color),
4085                )
4086                .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
4087                .child(
4088                    Label::new(humanize_token_count(max_token_count))
4089                        .size(LabelSize::Small)
4090                        .color(Color::Muted),
4091                ),
4092        )
4093    }
4094}
4095
4096impl Render for ContextEditorToolbarItem {
4097    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
4098        let left_side = h_flex()
4099            .gap_2()
4100            .flex_1()
4101            .min_w(rems(DEFAULT_TAB_TITLE.len() as f32))
4102            .when(self.active_context_editor.is_some(), |left_side| {
4103                left_side
4104                    .child(
4105                        IconButton::new("regenerate-context", IconName::ArrowCircle)
4106                            .visible_on_hover("toolbar")
4107                            .tooltip(|cx| Tooltip::text("Regenerate Summary", cx))
4108                            .on_click(cx.listener(move |_, _, cx| {
4109                                cx.emit(ContextEditorToolbarItemEvent::RegenerateSummary)
4110                            })),
4111                    )
4112                    .child(self.model_summary_editor.clone())
4113            });
4114        let active_provider = LanguageModelRegistry::read_global(cx).active_provider();
4115        let active_model = LanguageModelRegistry::read_global(cx).active_model();
4116
4117        let right_side = h_flex()
4118            .gap_2()
4119            .child(ModelSelector::new(
4120                self.fs.clone(),
4121                ButtonLike::new("active-model")
4122                    .style(ButtonStyle::Subtle)
4123                    .child(
4124                        h_flex()
4125                            .w_full()
4126                            .gap_0p5()
4127                            .child(
4128                                div()
4129                                    .overflow_x_hidden()
4130                                    .flex_grow()
4131                                    .whitespace_nowrap()
4132                                    .child(match (active_provider, active_model) {
4133                                        (Some(provider), Some(model)) => h_flex()
4134                                            .gap_1()
4135                                            .child(
4136                                                Icon::new(provider.icon())
4137                                                    .color(Color::Muted)
4138                                                    .size(IconSize::XSmall),
4139                                            )
4140                                            .child(
4141                                                Label::new(model.name().0)
4142                                                    .size(LabelSize::Small)
4143                                                    .color(Color::Muted),
4144                                            )
4145                                            .into_any_element(),
4146                                        _ => Label::new("No model selected")
4147                                            .size(LabelSize::Small)
4148                                            .color(Color::Muted)
4149                                            .into_any_element(),
4150                                    }),
4151                            )
4152                            .child(
4153                                Icon::new(IconName::ChevronDown)
4154                                    .color(Color::Muted)
4155                                    .size(IconSize::XSmall),
4156                            ),
4157                    )
4158                    .tooltip(move |cx| {
4159                        Tooltip::for_action("Change Model", &ToggleModelSelector, cx)
4160                    }),
4161            ))
4162            .children(self.render_remaining_tokens(cx))
4163            .child(self.render_inject_context_menu(cx));
4164
4165        h_flex()
4166            .size_full()
4167            .gap_2()
4168            .justify_between()
4169            .child(left_side)
4170            .child(right_side)
4171    }
4172}
4173
4174impl ToolbarItemView for ContextEditorToolbarItem {
4175    fn set_active_pane_item(
4176        &mut self,
4177        active_pane_item: Option<&dyn ItemHandle>,
4178        cx: &mut ViewContext<Self>,
4179    ) -> ToolbarItemLocation {
4180        self.active_context_editor = active_pane_item
4181            .and_then(|item| item.act_as::<ContextEditor>(cx))
4182            .map(|editor| editor.downgrade());
4183        cx.notify();
4184        if self.active_context_editor.is_none() {
4185            ToolbarItemLocation::Hidden
4186        } else {
4187            ToolbarItemLocation::PrimaryRight
4188        }
4189    }
4190
4191    fn pane_focus_update(&mut self, _pane_focused: bool, cx: &mut ViewContext<Self>) {
4192        cx.notify();
4193    }
4194}
4195
4196impl EventEmitter<ToolbarItemEvent> for ContextEditorToolbarItem {}
4197
4198enum ContextEditorToolbarItemEvent {
4199    RegenerateSummary,
4200}
4201impl EventEmitter<ContextEditorToolbarItemEvent> for ContextEditorToolbarItem {}
4202
4203pub struct ContextHistory {
4204    picker: View<Picker<SavedContextPickerDelegate>>,
4205    _subscriptions: Vec<Subscription>,
4206    assistant_panel: WeakView<AssistantPanel>,
4207}
4208
4209impl ContextHistory {
4210    fn new(
4211        project: Model<Project>,
4212        context_store: Model<ContextStore>,
4213        assistant_panel: WeakView<AssistantPanel>,
4214        cx: &mut ViewContext<Self>,
4215    ) -> Self {
4216        let picker = cx.new_view(|cx| {
4217            Picker::uniform_list(
4218                SavedContextPickerDelegate::new(project, context_store.clone()),
4219                cx,
4220            )
4221            .modal(false)
4222            .max_height(None)
4223        });
4224
4225        let _subscriptions = vec![
4226            cx.observe(&context_store, |this, _, cx| {
4227                this.picker.update(cx, |picker, cx| picker.refresh(cx));
4228            }),
4229            cx.subscribe(&picker, Self::handle_picker_event),
4230        ];
4231
4232        Self {
4233            picker,
4234            _subscriptions,
4235            assistant_panel,
4236        }
4237    }
4238
4239    fn handle_picker_event(
4240        &mut self,
4241        _: View<Picker<SavedContextPickerDelegate>>,
4242        event: &SavedContextPickerEvent,
4243        cx: &mut ViewContext<Self>,
4244    ) {
4245        let SavedContextPickerEvent::Confirmed(context) = event;
4246        self.assistant_panel
4247            .update(cx, |assistant_panel, cx| match context {
4248                ContextMetadata::Remote(metadata) => {
4249                    assistant_panel
4250                        .open_remote_context(metadata.id.clone(), cx)
4251                        .detach_and_log_err(cx);
4252                }
4253                ContextMetadata::Saved(metadata) => {
4254                    assistant_panel
4255                        .open_saved_context(metadata.path.clone(), cx)
4256                        .detach_and_log_err(cx);
4257                }
4258            })
4259            .ok();
4260    }
4261}
4262
4263impl Render for ContextHistory {
4264    fn render(&mut self, _: &mut ViewContext<Self>) -> impl IntoElement {
4265        div().size_full().child(self.picker.clone())
4266    }
4267}
4268
4269impl FocusableView for ContextHistory {
4270    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
4271        self.picker.focus_handle(cx)
4272    }
4273}
4274
4275impl EventEmitter<()> for ContextHistory {}
4276
4277impl Item for ContextHistory {
4278    type Event = ();
4279
4280    fn tab_content_text(&self, _cx: &WindowContext) -> Option<SharedString> {
4281        Some("History".into())
4282    }
4283}
4284
4285pub struct ConfigurationView {
4286    focus_handle: FocusHandle,
4287    configuration_views: HashMap<LanguageModelProviderId, AnyView>,
4288    _registry_subscription: Subscription,
4289}
4290
4291impl ConfigurationView {
4292    fn new(cx: &mut ViewContext<Self>) -> Self {
4293        let focus_handle = cx.focus_handle();
4294
4295        let registry_subscription = cx.subscribe(
4296            &LanguageModelRegistry::global(cx),
4297            |this, _, event: &language_model::Event, cx| match event {
4298                language_model::Event::AddedProvider(provider_id) => {
4299                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
4300                    if let Some(provider) = provider {
4301                        this.add_configuration_view(&provider, cx);
4302                    }
4303                }
4304                language_model::Event::RemovedProvider(provider_id) => {
4305                    this.remove_configuration_view(provider_id);
4306                }
4307                _ => {}
4308            },
4309        );
4310
4311        let mut this = Self {
4312            focus_handle,
4313            configuration_views: HashMap::default(),
4314            _registry_subscription: registry_subscription,
4315        };
4316        this.build_configuration_views(cx);
4317        this
4318    }
4319
4320    fn build_configuration_views(&mut self, cx: &mut ViewContext<Self>) {
4321        let providers = LanguageModelRegistry::read_global(cx).providers();
4322        for provider in providers {
4323            self.add_configuration_view(&provider, cx);
4324        }
4325    }
4326
4327    fn remove_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
4328        self.configuration_views.remove(provider_id);
4329    }
4330
4331    fn add_configuration_view(
4332        &mut self,
4333        provider: &Arc<dyn LanguageModelProvider>,
4334        cx: &mut ViewContext<Self>,
4335    ) {
4336        let configuration_view = provider.configuration_view(cx);
4337        self.configuration_views
4338            .insert(provider.id(), configuration_view);
4339    }
4340
4341    fn render_provider_view(
4342        &mut self,
4343        provider: &Arc<dyn LanguageModelProvider>,
4344        cx: &mut ViewContext<Self>,
4345    ) -> Div {
4346        let provider_name = provider.name().0.clone();
4347        let configuration_view = self.configuration_views.get(&provider.id()).cloned();
4348
4349        let open_new_context = cx.listener({
4350            let provider = provider.clone();
4351            move |_, _, cx| {
4352                cx.emit(ConfigurationViewEvent::NewProviderContextEditor(
4353                    provider.clone(),
4354                ))
4355            }
4356        });
4357
4358        v_flex()
4359            .gap_2()
4360            .child(
4361                h_flex()
4362                    .justify_between()
4363                    .child(Headline::new(provider_name.clone()).size(HeadlineSize::Small))
4364                    .when(provider.is_authenticated(cx), move |this| {
4365                        this.child(
4366                            h_flex().justify_end().child(
4367                                Button::new("new-context", "Open new context")
4368                                    .icon_position(IconPosition::Start)
4369                                    .icon(IconName::Plus)
4370                                    .style(ButtonStyle::Filled)
4371                                    .layer(ElevationIndex::ModalSurface)
4372                                    .on_click(open_new_context),
4373                            ),
4374                        )
4375                    }),
4376            )
4377            .child(
4378                div()
4379                    .p(Spacing::Large.rems(cx))
4380                    .bg(cx.theme().colors().surface_background)
4381                    .border_1()
4382                    .border_color(cx.theme().colors().border_variant)
4383                    .rounded_md()
4384                    .when(configuration_view.is_none(), |this| {
4385                        this.child(div().child(Label::new(format!(
4386                            "No configuration view for {}",
4387                            provider_name
4388                        ))))
4389                    })
4390                    .when_some(configuration_view, |this, configuration_view| {
4391                        this.child(configuration_view)
4392                    }),
4393            )
4394    }
4395}
4396
4397impl Render for ConfigurationView {
4398    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
4399        let providers = LanguageModelRegistry::read_global(cx).providers();
4400        let provider_views = providers
4401            .into_iter()
4402            .map(|provider| self.render_provider_view(&provider, cx))
4403            .collect::<Vec<_>>();
4404
4405        let mut element = v_flex()
4406            .id("assistant-configuration-view")
4407            .track_focus(&self.focus_handle)
4408            .bg(cx.theme().colors().editor_background)
4409            .size_full()
4410            .overflow_y_scroll()
4411            .child(
4412                v_flex()
4413                    .p(Spacing::XXLarge.rems(cx))
4414                    .border_b_1()
4415                    .border_color(cx.theme().colors().border)
4416                    .gap_1()
4417                    .child(Headline::new("Configure your Assistant").size(HeadlineSize::Medium))
4418                    .child(
4419                        Label::new(
4420                            "At least one LLM provider must be configured to use the Assistant.",
4421                        )
4422                        .color(Color::Muted),
4423                    ),
4424            )
4425            .child(
4426                v_flex()
4427                    .p(Spacing::XXLarge.rems(cx))
4428                    .mt_1()
4429                    .gap_6()
4430                    .flex_1()
4431                    .children(provider_views),
4432            )
4433            .into_any();
4434
4435        // We use a canvas here to get scrolling to work in the ConfigurationView. It's a workaround
4436        // because we couldn't the element to take up the size of the parent.
4437        canvas(
4438            move |bounds, cx| {
4439                element.prepaint_as_root(bounds.origin, bounds.size.into(), cx);
4440                element
4441            },
4442            |_, mut element, cx| {
4443                element.paint(cx);
4444            },
4445        )
4446        .flex_1()
4447        .w_full()
4448    }
4449}
4450
4451pub enum ConfigurationViewEvent {
4452    NewProviderContextEditor(Arc<dyn LanguageModelProvider>),
4453}
4454
4455impl EventEmitter<ConfigurationViewEvent> for ConfigurationView {}
4456
4457impl FocusableView for ConfigurationView {
4458    fn focus_handle(&self, _: &AppContext) -> FocusHandle {
4459        self.focus_handle.clone()
4460    }
4461}
4462
4463impl Item for ConfigurationView {
4464    type Event = ConfigurationViewEvent;
4465
4466    fn tab_content_text(&self, _cx: &WindowContext) -> Option<SharedString> {
4467        Some("Configuration".into())
4468    }
4469}
4470
4471type ToggleFold = Arc<dyn Fn(bool, &mut WindowContext) + Send + Sync>;
4472
4473fn render_slash_command_output_toggle(
4474    row: MultiBufferRow,
4475    is_folded: bool,
4476    fold: ToggleFold,
4477    _cx: &mut WindowContext,
4478) -> AnyElement {
4479    Disclosure::new(
4480        ("slash-command-output-fold-indicator", row.0 as u64),
4481        !is_folded,
4482    )
4483    .selected(is_folded)
4484    .on_click(move |_e, cx| fold(!is_folded, cx))
4485    .into_any_element()
4486}
4487
4488fn quote_selection_fold_placeholder(title: String, editor: WeakView<Editor>) -> FoldPlaceholder {
4489    FoldPlaceholder {
4490        render: Arc::new({
4491            move |fold_id, fold_range, _cx| {
4492                let editor = editor.clone();
4493                ButtonLike::new(fold_id)
4494                    .style(ButtonStyle::Filled)
4495                    .layer(ElevationIndex::ElevatedSurface)
4496                    .child(Icon::new(IconName::TextSelect))
4497                    .child(Label::new(title.clone()).single_line())
4498                    .on_click(move |_, cx| {
4499                        editor
4500                            .update(cx, |editor, cx| {
4501                                let buffer_start = fold_range
4502                                    .start
4503                                    .to_point(&editor.buffer().read(cx).read(cx));
4504                                let buffer_row = MultiBufferRow(buffer_start.row);
4505                                editor.unfold_at(&UnfoldAt { buffer_row }, cx);
4506                            })
4507                            .ok();
4508                    })
4509                    .into_any_element()
4510            }
4511        }),
4512        constrain_width: false,
4513        merge_adjacent: false,
4514    }
4515}
4516
4517fn render_quote_selection_output_toggle(
4518    row: MultiBufferRow,
4519    is_folded: bool,
4520    fold: ToggleFold,
4521    _cx: &mut WindowContext,
4522) -> AnyElement {
4523    Disclosure::new(("quote-selection-indicator", row.0 as u64), !is_folded)
4524        .selected(is_folded)
4525        .on_click(move |_e, cx| fold(!is_folded, cx))
4526        .into_any_element()
4527}
4528
4529fn render_pending_slash_command_gutter_decoration(
4530    row: MultiBufferRow,
4531    status: &PendingSlashCommandStatus,
4532    confirm_command: Arc<dyn Fn(&mut WindowContext)>,
4533) -> AnyElement {
4534    let mut icon = IconButton::new(
4535        ("slash-command-gutter-decoration", row.0),
4536        ui::IconName::TriangleRight,
4537    )
4538    .on_click(move |_e, cx| confirm_command(cx))
4539    .icon_size(ui::IconSize::Small)
4540    .size(ui::ButtonSize::None);
4541
4542    match status {
4543        PendingSlashCommandStatus::Idle => {
4544            icon = icon.icon_color(Color::Muted);
4545        }
4546        PendingSlashCommandStatus::Running { .. } => {
4547            icon = icon.selected(true);
4548        }
4549        PendingSlashCommandStatus::Error(_) => icon = icon.icon_color(Color::Error),
4550    }
4551
4552    icon.into_any_element()
4553}
4554
4555fn render_docs_slash_command_trailer(
4556    row: MultiBufferRow,
4557    command: PendingSlashCommand,
4558    cx: &mut WindowContext,
4559) -> AnyElement {
4560    if command.arguments.is_empty() {
4561        return Empty.into_any();
4562    }
4563    let args = DocsSlashCommandArgs::parse(&command.arguments);
4564
4565    let Some(store) = args
4566        .provider()
4567        .and_then(|provider| IndexedDocsStore::try_global(provider, cx).ok())
4568    else {
4569        return Empty.into_any();
4570    };
4571
4572    let Some(package) = args.package() else {
4573        return Empty.into_any();
4574    };
4575
4576    let mut children = Vec::new();
4577
4578    if store.is_indexing(&package) {
4579        children.push(
4580            div()
4581                .id(("crates-being-indexed", row.0))
4582                .child(Icon::new(IconName::ArrowCircle).with_animation(
4583                    "arrow-circle",
4584                    Animation::new(Duration::from_secs(4)).repeat(),
4585                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
4586                ))
4587                .tooltip({
4588                    let package = package.clone();
4589                    move |cx| Tooltip::text(format!("Indexing {package}"), cx)
4590                })
4591                .into_any_element(),
4592        );
4593    }
4594
4595    if let Some(latest_error) = store.latest_error_for_package(&package) {
4596        children.push(
4597            div()
4598                .id(("latest-error", row.0))
4599                .child(
4600                    Icon::new(IconName::ExclamationTriangle)
4601                        .size(IconSize::Small)
4602                        .color(Color::Warning),
4603                )
4604                .tooltip(move |cx| Tooltip::text(format!("Failed to index: {latest_error}"), cx))
4605                .into_any_element(),
4606        )
4607    }
4608
4609    let is_indexing = store.is_indexing(&package);
4610    let latest_error = store.latest_error_for_package(&package);
4611
4612    if !is_indexing && latest_error.is_none() {
4613        return Empty.into_any();
4614    }
4615
4616    h_flex().gap_2().children(children).into_any_element()
4617}
4618
4619fn make_lsp_adapter_delegate(
4620    project: &Model<Project>,
4621    cx: &mut AppContext,
4622) -> Result<Arc<dyn LspAdapterDelegate>> {
4623    project.update(cx, |project, cx| {
4624        // TODO: Find the right worktree.
4625        let worktree = project
4626            .worktrees(cx)
4627            .next()
4628            .ok_or_else(|| anyhow!("no worktrees when constructing ProjectLspAdapterDelegate"))?;
4629        Ok(ProjectLspAdapterDelegate::new(project, &worktree, cx) as Arc<dyn LspAdapterDelegate>)
4630    })
4631}
4632
4633fn slash_command_error_block_renderer(message: String) -> RenderBlock {
4634    Box::new(move |_| {
4635        div()
4636            .pl_6()
4637            .child(
4638                Label::new(format!("error: {}", message))
4639                    .single_line()
4640                    .color(Color::Error),
4641            )
4642            .into_any()
4643    })
4644}
4645
4646enum TokenState {
4647    NoTokensLeft {
4648        max_token_count: usize,
4649        token_count: usize,
4650    },
4651    HasMoreTokens {
4652        max_token_count: usize,
4653        token_count: usize,
4654        over_warn_threshold: bool,
4655    },
4656}
4657
4658fn token_state(context: &Model<Context>, cx: &AppContext) -> Option<TokenState> {
4659    const WARNING_TOKEN_THRESHOLD: f32 = 0.8;
4660
4661    let model = LanguageModelRegistry::read_global(cx).active_model()?;
4662    let token_count = context.read(cx).token_count()?;
4663    let max_token_count = model.max_token_count();
4664
4665    let remaining_tokens = max_token_count as isize - token_count as isize;
4666    let token_state = if remaining_tokens <= 0 {
4667        TokenState::NoTokensLeft {
4668            max_token_count,
4669            token_count,
4670        }
4671    } else {
4672        let over_warn_threshold =
4673            token_count as f32 / max_token_count as f32 >= WARNING_TOKEN_THRESHOLD;
4674        TokenState::HasMoreTokens {
4675            max_token_count,
4676            token_count,
4677            over_warn_threshold,
4678        }
4679    };
4680    Some(token_state)
4681}
4682
4683fn size_for_image(data: &RenderImage, max_size: Size<Pixels>) -> Size<Pixels> {
4684    let image_size = data
4685        .size(0)
4686        .map(|dimension| Pixels::from(u32::from(dimension)));
4687    let image_ratio = image_size.width / image_size.height;
4688    let bounds_ratio = max_size.width / max_size.height;
4689
4690    if image_size.width > max_size.width || image_size.height > max_size.height {
4691        if bounds_ratio > image_ratio {
4692            size(
4693                image_size.width * (max_size.height / image_size.height),
4694                max_size.height,
4695            )
4696        } else {
4697            size(
4698                max_size.width,
4699                image_size.height * (max_size.width / image_size.width),
4700            )
4701        }
4702    } else {
4703        size(image_size.width, image_size.height)
4704    }
4705}
4706
4707enum ConfigurationError {
4708    NoProvider,
4709    ProviderNotAuthenticated,
4710}
4711
4712fn configuration_error(cx: &AppContext) -> Option<ConfigurationError> {
4713    let provider = LanguageModelRegistry::read_global(cx).active_provider();
4714    let is_authenticated = provider
4715        .as_ref()
4716        .map_or(false, |provider| provider.is_authenticated(cx));
4717
4718    if provider.is_some() && is_authenticated {
4719        return None;
4720    }
4721
4722    if provider.is_none() {
4723        return Some(ConfigurationError::NoProvider);
4724    }
4725
4726    if !is_authenticated {
4727        return Some(ConfigurationError::ProviderNotAuthenticated);
4728    }
4729
4730    None
4731}