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(0.2, 1.0)),
1469                    |label, delta| label.alpha(delta),
1470                )
1471                .into_any_element(),
1472
1473            WorkflowStepStatus::Error(error) => {
1474                let error = error.clone();
1475                h_flex()
1476                    .gap_2()
1477                    .child(
1478                        div()
1479                            .id("step-resolution-failure")
1480                            .child(
1481                                Label::new("Step Resolution Failed")
1482                                    .size(LabelSize::Small)
1483                                    .color(Color::Error),
1484                            )
1485                            .tooltip(move |cx| Tooltip::text(error.to_string(), cx)),
1486                    )
1487                    .child(
1488                        Button::new(("transform", id), "Retry")
1489                            .icon(IconName::Update)
1490                            .icon_position(IconPosition::Start)
1491                            .icon_size(IconSize::Small)
1492                            .label_size(LabelSize::Small)
1493                            .on_click({
1494                                let editor = editor.clone();
1495                                let step_range = step_range.clone();
1496                                move |_, cx| {
1497                                    editor
1498                                        .update(cx, |this, cx| {
1499                                            this.resolve_workflow_step(step_range.clone(), cx)
1500                                        })
1501                                        .ok();
1502                                }
1503                            }),
1504                    )
1505                    .into_any()
1506            }
1507
1508            WorkflowStepStatus::Idle => Button::new(("transform", id), "Transform")
1509                .icon(IconName::Sparkle)
1510                .icon_position(IconPosition::Start)
1511                .icon_size(IconSize::Small)
1512                .label_size(LabelSize::Small)
1513                .style(ButtonStyle::Tinted(TintColor::Accent))
1514                .tooltip({
1515                    let step_range = step_range.clone();
1516                    let editor = editor.clone();
1517                    move |cx| {
1518                        cx.new_view(|cx| {
1519                            let tooltip = Tooltip::new("Transform");
1520                            if display_keybind_in_tooltip(&step_range, &editor, cx) {
1521                                tooltip.key_binding(KeyBinding::for_action_in(
1522                                    &Assist,
1523                                    &focus_handle,
1524                                    cx,
1525                                ))
1526                            } else {
1527                                tooltip
1528                            }
1529                        })
1530                        .into()
1531                    }
1532                })
1533                .on_click({
1534                    let editor = editor.clone();
1535                    let step_range = step_range.clone();
1536                    move |_, cx| {
1537                        editor
1538                            .update(cx, |this, cx| {
1539                                this.apply_workflow_step(step_range.clone(), cx)
1540                            })
1541                            .ok();
1542                    }
1543                })
1544                .into_any_element(),
1545            WorkflowStepStatus::Pending => h_flex()
1546                .items_center()
1547                .gap_2()
1548                .child(
1549                    Label::new("Applying...")
1550                        .size(LabelSize::Small)
1551                        .with_animation(
1552                            ("applying-step-transformation-label", id),
1553                            Animation::new(Duration::from_secs(2))
1554                                .repeat()
1555                                .with_easing(pulsating_between(0.2, 1.0)),
1556                            |label, delta| label.alpha(delta),
1557                        ),
1558                )
1559                .child(
1560                    IconButton::new(("stop-transformation", id), IconName::Stop)
1561                        .icon_size(IconSize::Small)
1562                        .style(ButtonStyle::Tinted(TintColor::Negative))
1563                        .tooltip({
1564                            let step_range = step_range.clone();
1565                            let editor = editor.clone();
1566                            move |cx| {
1567                                cx.new_view(|cx| {
1568                                    let tooltip = Tooltip::new("Stop Transformation");
1569                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1570                                        tooltip.key_binding(KeyBinding::for_action_in(
1571                                            &editor::actions::Cancel,
1572                                            &focus_handle,
1573                                            cx,
1574                                        ))
1575                                    } else {
1576                                        tooltip
1577                                    }
1578                                })
1579                                .into()
1580                            }
1581                        })
1582                        .on_click({
1583                            let editor = editor.clone();
1584                            let step_range = step_range.clone();
1585                            move |_, cx| {
1586                                editor
1587                                    .update(cx, |this, cx| {
1588                                        this.stop_workflow_step(step_range.clone(), cx)
1589                                    })
1590                                    .ok();
1591                            }
1592                        }),
1593                )
1594                .into_any_element(),
1595            WorkflowStepStatus::Done => h_flex()
1596                .gap_1()
1597                .child(
1598                    IconButton::new(("stop-transformation", id), IconName::Close)
1599                        .icon_size(IconSize::Small)
1600                        .style(ButtonStyle::Tinted(TintColor::Negative))
1601                        .tooltip({
1602                            let focus_handle = focus_handle.clone();
1603                            let editor = editor.clone();
1604                            let step_range = step_range.clone();
1605                            move |cx| {
1606                                cx.new_view(|cx| {
1607                                    let tooltip = Tooltip::new("Reject Transformation");
1608                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1609                                        tooltip.key_binding(KeyBinding::for_action_in(
1610                                            &editor::actions::Cancel,
1611                                            &focus_handle,
1612                                            cx,
1613                                        ))
1614                                    } else {
1615                                        tooltip
1616                                    }
1617                                })
1618                                .into()
1619                            }
1620                        })
1621                        .on_click({
1622                            let editor = editor.clone();
1623                            let step_range = step_range.clone();
1624                            move |_, cx| {
1625                                editor
1626                                    .update(cx, |this, cx| {
1627                                        this.reject_workflow_step(step_range.clone(), cx);
1628                                    })
1629                                    .ok();
1630                            }
1631                        }),
1632                )
1633                .child(
1634                    Button::new(("confirm-workflow-step", id), "Accept")
1635                        .icon(IconName::Check)
1636                        .icon_position(IconPosition::Start)
1637                        .icon_size(IconSize::Small)
1638                        .label_size(LabelSize::Small)
1639                        .style(ButtonStyle::Tinted(TintColor::Positive))
1640                        .tooltip({
1641                            let editor = editor.clone();
1642                            let step_range = step_range.clone();
1643                            move |cx| {
1644                                cx.new_view(|cx| {
1645                                    let tooltip = Tooltip::new("Accept Transformation");
1646                                    if display_keybind_in_tooltip(&step_range, &editor, cx) {
1647                                        tooltip.key_binding(KeyBinding::for_action_in(
1648                                            &Assist,
1649                                            &focus_handle,
1650                                            cx,
1651                                        ))
1652                                    } else {
1653                                        tooltip
1654                                    }
1655                                })
1656                                .into()
1657                            }
1658                        })
1659                        .on_click({
1660                            let editor = editor.clone();
1661                            let step_range = step_range.clone();
1662                            move |_, cx| {
1663                                editor
1664                                    .update(cx, |this, cx| {
1665                                        this.confirm_workflow_step(step_range.clone(), cx);
1666                                    })
1667                                    .ok();
1668                            }
1669                        }),
1670                )
1671                .into_any_element(),
1672            WorkflowStepStatus::Confirmed => h_flex()
1673                .child(
1674                    Button::new(("revert-workflow-step", id), "Undo")
1675                        .style(ButtonStyle::Filled)
1676                        .icon(Some(IconName::Undo))
1677                        .icon_position(IconPosition::Start)
1678                        .icon_size(IconSize::Small)
1679                        .label_size(LabelSize::Small)
1680                        .on_click({
1681                            let editor = editor.clone();
1682                            let step_range = step_range.clone();
1683                            move |_, cx| {
1684                                editor
1685                                    .update(cx, |this, cx| {
1686                                        this.undo_workflow_step(step_range.clone(), cx);
1687                                    })
1688                                    .ok();
1689                            }
1690                        }),
1691                )
1692                .into_any_element(),
1693        }
1694    }
1695}
1696
1697#[derive(Debug, Eq, PartialEq)]
1698struct ActiveWorkflowStep {
1699    range: Range<language::Anchor>,
1700    resolved: bool,
1701}
1702
1703struct WorkflowAssist {
1704    editor: WeakView<Editor>,
1705    editor_was_open: bool,
1706    assist_ids: Vec<InlineAssistId>,
1707    _observe_assist_status: Task<()>,
1708}
1709
1710pub struct ContextEditor {
1711    context: Model<Context>,
1712    fs: Arc<dyn Fs>,
1713    workspace: WeakView<Workspace>,
1714    project: Model<Project>,
1715    lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
1716    editor: View<Editor>,
1717    blocks: HashSet<CustomBlockId>,
1718    image_blocks: HashSet<CustomBlockId>,
1719    scroll_position: Option<ScrollPosition>,
1720    remote_id: Option<workspace::ViewId>,
1721    pending_slash_command_creases: HashMap<Range<language::Anchor>, CreaseId>,
1722    pending_slash_command_blocks: HashMap<Range<language::Anchor>, CustomBlockId>,
1723    _subscriptions: Vec<Subscription>,
1724    workflow_steps: HashMap<Range<language::Anchor>, WorkflowStep>,
1725    active_workflow_step: Option<ActiveWorkflowStep>,
1726    assistant_panel: WeakView<AssistantPanel>,
1727    error_message: Option<SharedString>,
1728    debug_inspector: Option<ContextInspector>,
1729    show_accept_terms: bool,
1730}
1731
1732const DEFAULT_TAB_TITLE: &str = "New Context";
1733const MAX_TAB_TITLE_LEN: usize = 16;
1734
1735impl ContextEditor {
1736    fn for_context(
1737        context: Model<Context>,
1738        fs: Arc<dyn Fs>,
1739        workspace: WeakView<Workspace>,
1740        project: Model<Project>,
1741        lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
1742        assistant_panel: WeakView<AssistantPanel>,
1743        cx: &mut ViewContext<Self>,
1744    ) -> Self {
1745        let completion_provider = SlashCommandCompletionProvider::new(
1746            Some(cx.view().downgrade()),
1747            Some(workspace.clone()),
1748        );
1749
1750        let editor = cx.new_view(|cx| {
1751            let mut editor = Editor::for_buffer(context.read(cx).buffer().clone(), None, cx);
1752            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
1753            editor.set_show_line_numbers(false, cx);
1754            editor.set_show_git_diff_gutter(false, cx);
1755            editor.set_show_code_actions(false, cx);
1756            editor.set_show_runnables(false, cx);
1757            editor.set_show_wrap_guides(false, cx);
1758            editor.set_show_indent_guides(false, cx);
1759            editor.set_completion_provider(Box::new(completion_provider));
1760            editor.set_collaboration_hub(Box::new(project.clone()));
1761            editor
1762        });
1763
1764        let _subscriptions = vec![
1765            cx.observe(&context, |_, _, cx| cx.notify()),
1766            cx.subscribe(&context, Self::handle_context_event),
1767            cx.subscribe(&editor, Self::handle_editor_event),
1768            cx.subscribe(&editor, Self::handle_editor_search_event),
1769        ];
1770
1771        let sections = context.read(cx).slash_command_output_sections().to_vec();
1772        let mut this = Self {
1773            context,
1774            editor,
1775            lsp_adapter_delegate,
1776            blocks: Default::default(),
1777            image_blocks: Default::default(),
1778            scroll_position: None,
1779            remote_id: None,
1780            fs,
1781            workspace,
1782            project,
1783            pending_slash_command_creases: HashMap::default(),
1784            pending_slash_command_blocks: HashMap::default(),
1785            _subscriptions,
1786            workflow_steps: HashMap::default(),
1787            active_workflow_step: None,
1788            assistant_panel,
1789            error_message: None,
1790            debug_inspector: None,
1791            show_accept_terms: false,
1792        };
1793        this.update_message_headers(cx);
1794        this.update_image_blocks(cx);
1795        this.insert_slash_command_output_sections(sections, cx);
1796        this
1797    }
1798
1799    fn insert_default_prompt(&mut self, cx: &mut ViewContext<Self>) {
1800        let command_name = DefaultSlashCommand.name();
1801        self.editor.update(cx, |editor, cx| {
1802            editor.insert(&format!("/{command_name}"), cx)
1803        });
1804        self.split(&Split, cx);
1805        let command = self.context.update(cx, |context, cx| {
1806            let first_message_id = context.messages(cx).next().unwrap().id;
1807            context.update_metadata(first_message_id, cx, |metadata| {
1808                metadata.role = Role::System;
1809            });
1810            context.reparse_slash_commands(cx);
1811            context.pending_slash_commands()[0].clone()
1812        });
1813
1814        self.run_command(
1815            command.source_range,
1816            &command.name,
1817            command.argument.as_deref(),
1818            false,
1819            self.workspace.clone(),
1820            cx,
1821        );
1822    }
1823
1824    fn assist(&mut self, _: &Assist, cx: &mut ViewContext<Self>) {
1825        let provider = LanguageModelRegistry::read_global(cx).active_provider();
1826        if provider
1827            .as_ref()
1828            .map_or(false, |provider| provider.must_accept_terms(cx))
1829        {
1830            self.show_accept_terms = true;
1831            cx.notify();
1832            return;
1833        }
1834
1835        if !self.apply_active_workflow_step(cx) {
1836            self.error_message = None;
1837            self.send_to_model(cx);
1838            cx.notify();
1839        }
1840    }
1841
1842    fn apply_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1843        self.show_workflow_step(range.clone(), cx);
1844
1845        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1846            if let Some(assist) = workflow_step.assist.as_ref() {
1847                let assist_ids = assist.assist_ids.clone();
1848                cx.window_context().defer(|cx| {
1849                    InlineAssistant::update_global(cx, |assistant, cx| {
1850                        for assist_id in assist_ids {
1851                            assistant.start_assist(assist_id, cx);
1852                        }
1853                    })
1854                });
1855            }
1856        }
1857    }
1858
1859    fn apply_active_workflow_step(&mut self, cx: &mut ViewContext<Self>) -> bool {
1860        let Some(step) = self.active_workflow_step() else {
1861            return false;
1862        };
1863
1864        let range = step.range.clone();
1865        match step.status(cx) {
1866            WorkflowStepStatus::Resolving | WorkflowStepStatus::Pending => true,
1867            WorkflowStepStatus::Idle => {
1868                self.apply_workflow_step(range, cx);
1869                true
1870            }
1871            WorkflowStepStatus::Done => {
1872                self.confirm_workflow_step(range, cx);
1873                true
1874            }
1875            WorkflowStepStatus::Error(_) => {
1876                self.resolve_workflow_step(range, cx);
1877                true
1878            }
1879            WorkflowStepStatus::Confirmed => false,
1880        }
1881    }
1882
1883    fn resolve_workflow_step(
1884        &mut self,
1885        range: Range<language::Anchor>,
1886        cx: &mut ViewContext<Self>,
1887    ) {
1888        self.context.update(cx, |context, cx| {
1889            context.resolve_workflow_step(range, self.project.clone(), cx)
1890        });
1891    }
1892
1893    fn stop_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1894        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1895            if let Some(assist) = workflow_step.assist.as_ref() {
1896                let assist_ids = assist.assist_ids.clone();
1897                cx.window_context().defer(|cx| {
1898                    InlineAssistant::update_global(cx, |assistant, cx| {
1899                        for assist_id in assist_ids {
1900                            assistant.stop_assist(assist_id, cx);
1901                        }
1902                    })
1903                });
1904            }
1905        }
1906    }
1907
1908    fn undo_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1909        if let Some(workflow_step) = self.workflow_steps.get_mut(&range) {
1910            if let Some(assist) = workflow_step.assist.take() {
1911                cx.window_context().defer(|cx| {
1912                    InlineAssistant::update_global(cx, |assistant, cx| {
1913                        for assist_id in assist.assist_ids {
1914                            assistant.undo_assist(assist_id, cx);
1915                        }
1916                    })
1917                });
1918            }
1919        }
1920    }
1921
1922    fn confirm_workflow_step(
1923        &mut self,
1924        range: Range<language::Anchor>,
1925        cx: &mut ViewContext<Self>,
1926    ) {
1927        if let Some(workflow_step) = self.workflow_steps.get(&range) {
1928            if let Some(assist) = workflow_step.assist.as_ref() {
1929                let assist_ids = assist.assist_ids.clone();
1930                cx.window_context().defer(move |cx| {
1931                    InlineAssistant::update_global(cx, |assistant, cx| {
1932                        for assist_id in assist_ids {
1933                            assistant.finish_assist(assist_id, false, cx);
1934                        }
1935                    })
1936                });
1937            }
1938        }
1939    }
1940
1941    fn reject_workflow_step(&mut self, range: Range<language::Anchor>, cx: &mut ViewContext<Self>) {
1942        if let Some(workflow_step) = self.workflow_steps.get_mut(&range) {
1943            if let Some(assist) = workflow_step.assist.take() {
1944                cx.window_context().defer(move |cx| {
1945                    InlineAssistant::update_global(cx, |assistant, cx| {
1946                        for assist_id in assist.assist_ids {
1947                            assistant.finish_assist(assist_id, true, cx);
1948                        }
1949                    })
1950                });
1951            }
1952        }
1953    }
1954
1955    fn send_to_model(&mut self, cx: &mut ViewContext<Self>) {
1956        if let Some(user_message) = self.context.update(cx, |context, cx| context.assist(cx)) {
1957            let new_selection = {
1958                let cursor = user_message
1959                    .start
1960                    .to_offset(self.context.read(cx).buffer().read(cx));
1961                cursor..cursor
1962            };
1963            self.editor.update(cx, |editor, cx| {
1964                editor.change_selections(
1965                    Some(Autoscroll::Strategy(AutoscrollStrategy::Fit)),
1966                    cx,
1967                    |selections| selections.select_ranges([new_selection]),
1968                );
1969            });
1970            // Avoid scrolling to the new cursor position so the assistant's output is stable.
1971            cx.defer(|this, _| this.scroll_position = None);
1972        }
1973    }
1974
1975    fn cancel(&mut self, _: &editor::actions::Cancel, cx: &mut ViewContext<Self>) {
1976        if self
1977            .context
1978            .update(cx, |context, _| context.cancel_last_assist())
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.status {
2013                crate::WorkflowStepStatus::Resolved(ResolvedWorkflowStep {
2014                    title,
2015                    suggestions,
2016                }) => {
2017                    output.push_str("Resolution:\n");
2018                    output.push_str(&format!("  {:?}\n", title));
2019                    output.push_str(&format!("  {:?}\n", suggestions));
2020                }
2021                crate::WorkflowStepStatus::Pending(_) => {
2022                    output.push_str("Resolution: Pending\n");
2023                }
2024                crate::WorkflowStepStatus::Error(error) => {
2025                    writeln!(output, "Resolution: Error\n{:?}", error).unwrap();
2026                }
2027            }
2028            output.push('\n');
2029        }
2030
2031        let editor = self
2032            .workspace
2033            .update(cx, |workspace, cx| Editor::new_in_workspace(workspace, cx));
2034
2035        if let Ok(editor) = editor {
2036            cx.spawn(|_, mut cx| async move {
2037                let editor = editor.await?;
2038                editor.update(&mut cx, |editor, cx| editor.set_text(output, cx))
2039            })
2040            .detach_and_notify_err(cx);
2041        }
2042    }
2043
2044    fn cycle_message_role(&mut self, _: &CycleMessageRole, cx: &mut ViewContext<Self>) {
2045        let cursors = self.cursors(cx);
2046        self.context.update(cx, |context, cx| {
2047            let messages = context
2048                .messages_for_offsets(cursors, cx)
2049                .into_iter()
2050                .map(|message| message.id)
2051                .collect();
2052            context.cycle_message_roles(messages, cx)
2053        });
2054    }
2055
2056    fn cursors(&self, cx: &AppContext) -> Vec<usize> {
2057        let selections = self.editor.read(cx).selections.all::<usize>(cx);
2058        selections
2059            .into_iter()
2060            .map(|selection| selection.head())
2061            .collect()
2062    }
2063
2064    fn insert_command(&mut self, name: &str, cx: &mut ViewContext<Self>) {
2065        if let Some(command) = SlashCommandRegistry::global(cx).command(name) {
2066            self.editor.update(cx, |editor, cx| {
2067                editor.transact(cx, |editor, cx| {
2068                    editor.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel());
2069                    let snapshot = editor.buffer().read(cx).snapshot(cx);
2070                    let newest_cursor = editor.selections.newest::<Point>(cx).head();
2071                    if newest_cursor.column > 0
2072                        || snapshot
2073                            .chars_at(newest_cursor)
2074                            .next()
2075                            .map_or(false, |ch| ch != '\n')
2076                    {
2077                        editor.move_to_end_of_line(
2078                            &MoveToEndOfLine {
2079                                stop_at_soft_wraps: false,
2080                            },
2081                            cx,
2082                        );
2083                        editor.newline(&Newline, cx);
2084                    }
2085
2086                    editor.insert(&format!("/{name}"), cx);
2087                    if command.requires_argument() {
2088                        editor.insert(" ", cx);
2089                        editor.show_completions(&ShowCompletions::default(), cx);
2090                    }
2091                });
2092            });
2093            if !command.requires_argument() {
2094                self.confirm_command(&ConfirmCommand, cx);
2095            }
2096        }
2097    }
2098
2099    pub fn confirm_command(&mut self, _: &ConfirmCommand, cx: &mut ViewContext<Self>) {
2100        let selections = self.editor.read(cx).selections.disjoint_anchors();
2101        let mut commands_by_range = HashMap::default();
2102        let workspace = self.workspace.clone();
2103        self.context.update(cx, |context, cx| {
2104            context.reparse_slash_commands(cx);
2105            for selection in selections.iter() {
2106                if let Some(command) =
2107                    context.pending_command_for_position(selection.head().text_anchor, cx)
2108                {
2109                    commands_by_range
2110                        .entry(command.source_range.clone())
2111                        .or_insert_with(|| command.clone());
2112                }
2113            }
2114        });
2115
2116        if commands_by_range.is_empty() {
2117            cx.propagate();
2118        } else {
2119            for command in commands_by_range.into_values() {
2120                self.run_command(
2121                    command.source_range,
2122                    &command.name,
2123                    command.argument.as_deref(),
2124                    true,
2125                    workspace.clone(),
2126                    cx,
2127                );
2128            }
2129            cx.stop_propagation();
2130        }
2131    }
2132
2133    pub fn run_command(
2134        &mut self,
2135        command_range: Range<language::Anchor>,
2136        name: &str,
2137        argument: Option<&str>,
2138        insert_trailing_newline: bool,
2139        workspace: WeakView<Workspace>,
2140        cx: &mut ViewContext<Self>,
2141    ) {
2142        if let Some(command) = SlashCommandRegistry::global(cx).command(name) {
2143            let argument = argument.map(ToString::to_string);
2144            let output = command.run(
2145                argument.as_deref(),
2146                workspace,
2147                self.lsp_adapter_delegate.clone(),
2148                cx,
2149            );
2150            self.context.update(cx, |context, cx| {
2151                context.insert_command_output(command_range, output, insert_trailing_newline, cx)
2152            });
2153        }
2154    }
2155
2156    fn handle_context_event(
2157        &mut self,
2158        _: Model<Context>,
2159        event: &ContextEvent,
2160        cx: &mut ViewContext<Self>,
2161    ) {
2162        let context_editor = cx.view().downgrade();
2163
2164        match event {
2165            ContextEvent::MessagesEdited => {
2166                self.update_message_headers(cx);
2167                self.update_image_blocks(cx);
2168                self.context.update(cx, |context, cx| {
2169                    context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
2170                });
2171            }
2172            ContextEvent::WorkflowStepsRemoved(removed) => {
2173                self.remove_workflow_steps(removed, cx);
2174                cx.notify();
2175            }
2176            ContextEvent::WorkflowStepUpdated(updated) => {
2177                self.update_workflow_step(updated.clone(), cx);
2178                cx.notify();
2179            }
2180            ContextEvent::SummaryChanged => {
2181                cx.emit(EditorEvent::TitleChanged);
2182                self.context.update(cx, |context, cx| {
2183                    context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
2184                });
2185            }
2186            ContextEvent::StreamedCompletion => {
2187                self.editor.update(cx, |editor, cx| {
2188                    if let Some(scroll_position) = self.scroll_position {
2189                        let snapshot = editor.snapshot(cx);
2190                        let cursor_point = scroll_position.cursor.to_display_point(&snapshot);
2191                        let scroll_top =
2192                            cursor_point.row().as_f32() - scroll_position.offset_before_cursor.y;
2193                        editor.set_scroll_position(
2194                            point(scroll_position.offset_before_cursor.x, scroll_top),
2195                            cx,
2196                        );
2197                    }
2198                });
2199            }
2200            ContextEvent::PendingSlashCommandsUpdated { removed, updated } => {
2201                self.editor.update(cx, |editor, cx| {
2202                    let buffer = editor.buffer().read(cx).snapshot(cx);
2203                    let (excerpt_id, buffer_id, _) = buffer.as_singleton().unwrap();
2204                    let excerpt_id = *excerpt_id;
2205
2206                    editor.remove_creases(
2207                        removed
2208                            .iter()
2209                            .filter_map(|range| self.pending_slash_command_creases.remove(range)),
2210                        cx,
2211                    );
2212
2213                    editor.remove_blocks(
2214                        HashSet::from_iter(
2215                            removed.iter().filter_map(|range| {
2216                                self.pending_slash_command_blocks.remove(range)
2217                            }),
2218                        ),
2219                        None,
2220                        cx,
2221                    );
2222
2223                    let crease_ids = editor.insert_creases(
2224                        updated.iter().map(|command| {
2225                            let workspace = self.workspace.clone();
2226                            let confirm_command = Arc::new({
2227                                let context_editor = context_editor.clone();
2228                                let command = command.clone();
2229                                move |cx: &mut WindowContext| {
2230                                    context_editor
2231                                        .update(cx, |context_editor, cx| {
2232                                            context_editor.run_command(
2233                                                command.source_range.clone(),
2234                                                &command.name,
2235                                                command.argument.as_deref(),
2236                                                false,
2237                                                workspace.clone(),
2238                                                cx,
2239                                            );
2240                                        })
2241                                        .ok();
2242                                }
2243                            });
2244                            let placeholder = FoldPlaceholder {
2245                                render: Arc::new(move |_, _, _| Empty.into_any()),
2246                                constrain_width: false,
2247                                merge_adjacent: false,
2248                            };
2249                            let render_toggle = {
2250                                let confirm_command = confirm_command.clone();
2251                                let command = command.clone();
2252                                move |row, _, _, _cx: &mut WindowContext| {
2253                                    render_pending_slash_command_gutter_decoration(
2254                                        row,
2255                                        &command.status,
2256                                        confirm_command.clone(),
2257                                    )
2258                                }
2259                            };
2260                            let render_trailer = {
2261                                let command = command.clone();
2262                                move |row, _unfold, cx: &mut WindowContext| {
2263                                    // TODO: In the future we should investigate how we can expose
2264                                    // this as a hook on the `SlashCommand` trait so that we don't
2265                                    // need to special-case it here.
2266                                    if command.name == DocsSlashCommand::NAME {
2267                                        return render_docs_slash_command_trailer(
2268                                            row,
2269                                            command.clone(),
2270                                            cx,
2271                                        );
2272                                    }
2273
2274                                    Empty.into_any()
2275                                }
2276                            };
2277
2278                            let start = buffer
2279                                .anchor_in_excerpt(excerpt_id, command.source_range.start)
2280                                .unwrap();
2281                            let end = buffer
2282                                .anchor_in_excerpt(excerpt_id, command.source_range.end)
2283                                .unwrap();
2284                            Crease::new(start..end, placeholder, render_toggle, render_trailer)
2285                        }),
2286                        cx,
2287                    );
2288
2289                    let block_ids = editor.insert_blocks(
2290                        updated
2291                            .iter()
2292                            .filter_map(|command| match &command.status {
2293                                PendingSlashCommandStatus::Error(error) => {
2294                                    Some((command, error.clone()))
2295                                }
2296                                _ => None,
2297                            })
2298                            .map(|(command, error_message)| BlockProperties {
2299                                style: BlockStyle::Fixed,
2300                                position: Anchor {
2301                                    buffer_id: Some(buffer_id),
2302                                    excerpt_id,
2303                                    text_anchor: command.source_range.start,
2304                                },
2305                                height: 1,
2306                                disposition: BlockDisposition::Below,
2307                                render: slash_command_error_block_renderer(error_message),
2308                                priority: 0,
2309                            }),
2310                        None,
2311                        cx,
2312                    );
2313
2314                    self.pending_slash_command_creases.extend(
2315                        updated
2316                            .iter()
2317                            .map(|command| command.source_range.clone())
2318                            .zip(crease_ids),
2319                    );
2320
2321                    self.pending_slash_command_blocks.extend(
2322                        updated
2323                            .iter()
2324                            .map(|command| command.source_range.clone())
2325                            .zip(block_ids),
2326                    );
2327                })
2328            }
2329            ContextEvent::SlashCommandFinished {
2330                output_range,
2331                sections,
2332                run_commands_in_output,
2333            } => {
2334                self.insert_slash_command_output_sections(sections.iter().cloned(), cx);
2335
2336                if *run_commands_in_output {
2337                    let commands = self.context.update(cx, |context, cx| {
2338                        context.reparse_slash_commands(cx);
2339                        context
2340                            .pending_commands_for_range(output_range.clone(), cx)
2341                            .to_vec()
2342                    });
2343
2344                    for command in commands {
2345                        self.run_command(
2346                            command.source_range,
2347                            &command.name,
2348                            command.argument.as_deref(),
2349                            false,
2350                            self.workspace.clone(),
2351                            cx,
2352                        );
2353                    }
2354                }
2355            }
2356            ContextEvent::Operation(_) => {}
2357            ContextEvent::AssistError(error_message) => {
2358                self.error_message = Some(SharedString::from(error_message.clone()));
2359            }
2360        }
2361    }
2362
2363    fn insert_slash_command_output_sections(
2364        &mut self,
2365        sections: impl IntoIterator<Item = SlashCommandOutputSection<language::Anchor>>,
2366        cx: &mut ViewContext<Self>,
2367    ) {
2368        self.editor.update(cx, |editor, cx| {
2369            let buffer = editor.buffer().read(cx).snapshot(cx);
2370            let excerpt_id = *buffer.as_singleton().unwrap().0;
2371            let mut buffer_rows_to_fold = BTreeSet::new();
2372            let mut creases = Vec::new();
2373            for section in sections {
2374                let start = buffer
2375                    .anchor_in_excerpt(excerpt_id, section.range.start)
2376                    .unwrap();
2377                let end = buffer
2378                    .anchor_in_excerpt(excerpt_id, section.range.end)
2379                    .unwrap();
2380                let buffer_row = MultiBufferRow(start.to_point(&buffer).row);
2381                buffer_rows_to_fold.insert(buffer_row);
2382                creases.push(Crease::new(
2383                    start..end,
2384                    FoldPlaceholder {
2385                        render: Arc::new({
2386                            let editor = cx.view().downgrade();
2387                            let icon = section.icon;
2388                            let label = section.label.clone();
2389                            move |fold_id, fold_range, _cx| {
2390                                let editor = editor.clone();
2391                                ButtonLike::new(fold_id)
2392                                    .style(ButtonStyle::Filled)
2393                                    .layer(ElevationIndex::ElevatedSurface)
2394                                    .child(Icon::new(icon))
2395                                    .child(Label::new(label.clone()).single_line())
2396                                    .on_click(move |_, cx| {
2397                                        editor
2398                                            .update(cx, |editor, cx| {
2399                                                let buffer_start = fold_range
2400                                                    .start
2401                                                    .to_point(&editor.buffer().read(cx).read(cx));
2402                                                let buffer_row = MultiBufferRow(buffer_start.row);
2403                                                editor.unfold_at(&UnfoldAt { buffer_row }, cx);
2404                                            })
2405                                            .ok();
2406                                    })
2407                                    .into_any_element()
2408                            }
2409                        }),
2410                        constrain_width: false,
2411                        merge_adjacent: false,
2412                    },
2413                    render_slash_command_output_toggle,
2414                    |_, _, _| Empty.into_any_element(),
2415                ));
2416            }
2417
2418            editor.insert_creases(creases, cx);
2419
2420            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
2421                editor.fold_at(&FoldAt { buffer_row }, cx);
2422            }
2423        });
2424    }
2425
2426    fn handle_editor_event(
2427        &mut self,
2428        _: View<Editor>,
2429        event: &EditorEvent,
2430        cx: &mut ViewContext<Self>,
2431    ) {
2432        match event {
2433            EditorEvent::ScrollPositionChanged { autoscroll, .. } => {
2434                let cursor_scroll_position = self.cursor_scroll_position(cx);
2435                if *autoscroll {
2436                    self.scroll_position = cursor_scroll_position;
2437                } else if self.scroll_position != cursor_scroll_position {
2438                    self.scroll_position = None;
2439                }
2440            }
2441            EditorEvent::SelectionsChanged { .. } => {
2442                self.scroll_position = self.cursor_scroll_position(cx);
2443                self.update_active_workflow_step(cx);
2444            }
2445            _ => {}
2446        }
2447        cx.emit(event.clone());
2448    }
2449
2450    fn active_workflow_step(&self) -> Option<&WorkflowStep> {
2451        let step = self.active_workflow_step.as_ref()?;
2452        self.workflow_steps.get(&step.range)
2453    }
2454
2455    fn remove_workflow_steps(
2456        &mut self,
2457        removed_steps: &[Range<language::Anchor>],
2458        cx: &mut ViewContext<Self>,
2459    ) {
2460        let mut blocks_to_remove = HashSet::default();
2461        for step_range in removed_steps {
2462            self.hide_workflow_step(step_range.clone(), cx);
2463            if let Some(step) = self.workflow_steps.remove(step_range) {
2464                blocks_to_remove.insert(step.header_block_id);
2465                blocks_to_remove.insert(step.footer_block_id);
2466            }
2467            if let Some(debug) = self.debug_inspector.as_mut() {
2468                debug.deactivate_for(step_range, cx);
2469            }
2470        }
2471        self.editor.update(cx, |editor, cx| {
2472            editor.remove_blocks(blocks_to_remove, None, cx)
2473        });
2474        self.update_active_workflow_step(cx);
2475    }
2476
2477    fn update_workflow_step(
2478        &mut self,
2479        step_range: Range<language::Anchor>,
2480        cx: &mut ViewContext<Self>,
2481    ) {
2482        let buffer_snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2483        let (&excerpt_id, _, _) = buffer_snapshot.as_singleton().unwrap();
2484
2485        let Some(step) = self
2486            .context
2487            .read(cx)
2488            .workflow_step_for_range(step_range.clone())
2489        else {
2490            return;
2491        };
2492
2493        let resolved_step = step.status.into_resolved();
2494        if let Some(existing_step) = self.workflow_steps.get_mut(&step_range) {
2495            existing_step.resolved_step = resolved_step;
2496            if let Some(debug) = self.debug_inspector.as_mut() {
2497                debug.refresh(&step_range, cx);
2498            }
2499        } else {
2500            let start = buffer_snapshot
2501                .anchor_in_excerpt(excerpt_id, step_range.start)
2502                .unwrap();
2503            let end = buffer_snapshot
2504                .anchor_in_excerpt(excerpt_id, step_range.end)
2505                .unwrap();
2506            let weak_self = cx.view().downgrade();
2507            let block_ids = self.editor.update(cx, |editor, cx| {
2508                let step_range = step_range.clone();
2509                let editor_focus_handle = editor.focus_handle(cx);
2510                editor.insert_blocks(
2511                    vec![
2512                        BlockProperties {
2513                            position: start,
2514                            height: 1,
2515                            style: BlockStyle::Sticky,
2516                            render: Box::new({
2517                                let weak_self = weak_self.clone();
2518                                let step_range = step_range.clone();
2519                                move |cx| {
2520                                    let current_status = weak_self
2521                                        .update(&mut **cx, |context_editor, cx| {
2522                                            let step =
2523                                                context_editor.workflow_steps.get(&step_range)?;
2524                                            Some(step.status(cx))
2525                                        })
2526                                        .ok()
2527                                        .flatten();
2528
2529                                    let theme = cx.theme().status();
2530                                    let border_color = if current_status
2531                                        .as_ref()
2532                                        .map_or(false, |status| status.is_confirmed())
2533                                    {
2534                                        theme.ignored_border
2535                                    } else {
2536                                        theme.info_border
2537                                    };
2538                                    let step_index = weak_self.update(&mut **cx, |this, cx| {
2539                                       let snapshot = this.editor.read(cx).buffer().read(cx).as_singleton()?.read(cx).text_snapshot();
2540                                       let start_offset = step_range.start.to_offset(&snapshot);
2541                                       let parent_message = this.context.read(cx).messages_for_offsets([start_offset], cx);
2542                                       debug_assert_eq!(parent_message.len(), 1);
2543                                       let parent_message = parent_message.first()?;
2544
2545                                       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();
2546                                       Some(index_of_current_step)
2547                                    }).ok().flatten();
2548
2549                                    let debug_header = weak_self
2550                                        .update(&mut **cx, |this, _| {
2551                                            if let Some(inspector) = this.debug_inspector.as_mut() {
2552                                                Some(inspector.is_active(&step_range))
2553                                            } else {
2554                                                None
2555                                            }
2556                                        })
2557                                        .unwrap_or_default();
2558                                    let step_label = if let Some(index) = step_index {
2559
2560                                        Label::new(format!("Step {index}")).size(LabelSize::Small)
2561                                        } else {
2562                                            Label::new("Step").size(LabelSize::Small)
2563                                        };
2564                                    let step_label = if current_status.as_ref().is_some_and(|status| status.is_confirmed()) {
2565                                        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))
2566                                    } else {
2567                                        div().child(step_label)
2568                                    };
2569                                    div()
2570                                        .w_full()
2571                                        .px(cx.gutter_dimensions.full_width())
2572                                        .child(
2573                                            h_flex()
2574                                                .w_full()
2575                                                .border_b_1()
2576                                                .border_color(border_color)
2577                                                .pb_1p5()
2578                                                .justify_between()
2579                                                .gap_2()
2580                                                .child(h_flex().justify_start().gap_2().child(step_label).children(
2581                                                    debug_header.map(|is_active| {
2582
2583                                                        Button::new("debug-workflows-toggle", "Debug")
2584                                                            .icon_color(Color::Hidden)
2585                                                            .color(Color::Hidden)
2586                                                            .selected_icon_color(Color::Default)
2587                                                            .selected_label_color(Color::Default)
2588                                                            .icon(IconName::Microscope)
2589                                                            .icon_position(IconPosition::Start)
2590                                                            .icon_size(IconSize::Small)
2591                                                            .label_size(LabelSize::Small)
2592                                                            .selected(is_active)
2593                                                            .on_click({
2594                                                                let weak_self = weak_self.clone();
2595                                                                let step_range = step_range.clone();
2596                                                                move |_, cx| {
2597                                                                    weak_self
2598                                                                        .update(cx, |this, cx| {
2599                                                                            if let Some(inspector) =
2600                                                                                this.debug_inspector
2601                                                                                    .as_mut()
2602                                                                            {
2603                                                                                if is_active {
2604
2605                                                                                    inspector.deactivate_for(&step_range, cx);
2606                                                                                } else {
2607                                                                                    inspector.activate_for_step(step_range.clone(), cx);
2608                                                                                }
2609                                                                            }
2610                                                                        })
2611                                                                        .ok();
2612                                                                }
2613                                                            })
2614                                                    })
2615
2616                                                ))
2617                                                .children(current_status.as_ref().map(|status| {
2618                                                    h_flex().w_full().justify_end().child(
2619                                                        status.into_element(
2620                                                            step_range.clone(),
2621                                                            editor_focus_handle.clone(),
2622                                                            weak_self.clone(),
2623                                                            cx,
2624                                                        ),
2625                                                    )
2626                                                })),
2627                                        )
2628                                        .into_any()
2629                                }
2630                            }),
2631                            disposition: BlockDisposition::Above,
2632                            priority: 0,
2633                        },
2634                        BlockProperties {
2635                            position: end,
2636                            height: 0,
2637                            style: BlockStyle::Sticky,
2638                            render: Box::new(move |cx| {
2639                                let current_status = weak_self
2640                                    .update(&mut **cx, |context_editor, cx| {
2641                                        let step =
2642                                            context_editor.workflow_steps.get(&step_range)?;
2643                                        Some(step.status(cx))
2644                                    })
2645                                    .ok()
2646                                    .flatten();
2647                                let theme = cx.theme().status();
2648                                let border_color = if current_status
2649                                    .as_ref()
2650                                    .map_or(false, |status| status.is_confirmed())
2651                                {
2652                                    theme.ignored_border
2653                                } else {
2654                                    theme.info_border
2655                                };
2656
2657                                div()
2658                                    .w_full()
2659                                    .px(cx.gutter_dimensions.full_width())
2660                                    .child(h_flex().h(px(1.)).bg(border_color))
2661                                    .into_any()
2662                            }),
2663                            disposition: BlockDisposition::Below,
2664                            priority: 0,
2665                        },
2666                    ],
2667                    None,
2668                    cx,
2669                )
2670            });
2671            self.workflow_steps.insert(
2672                step_range.clone(),
2673                WorkflowStep {
2674                    range: step_range.clone(),
2675                    header_block_id: block_ids[0],
2676                    footer_block_id: block_ids[1],
2677                    resolved_step,
2678                    assist: None,
2679                },
2680            );
2681        }
2682
2683        self.update_active_workflow_step(cx);
2684    }
2685
2686    fn update_active_workflow_step(&mut self, cx: &mut ViewContext<Self>) {
2687        let new_step = self.active_workflow_step_for_cursor(cx);
2688        if new_step.as_ref() != self.active_workflow_step.as_ref() {
2689            if let Some(old_step) = self.active_workflow_step.take() {
2690                self.hide_workflow_step(old_step.range, cx);
2691            }
2692
2693            if let Some(new_step) = new_step {
2694                self.show_workflow_step(new_step.range.clone(), cx);
2695                self.active_workflow_step = Some(new_step);
2696            }
2697        }
2698    }
2699
2700    fn hide_workflow_step(
2701        &mut self,
2702        step_range: Range<language::Anchor>,
2703        cx: &mut ViewContext<Self>,
2704    ) {
2705        let Some(step) = self.workflow_steps.get_mut(&step_range) else {
2706            return;
2707        };
2708        let Some(assist) = step.assist.as_ref() else {
2709            return;
2710        };
2711        let Some(editor) = assist.editor.upgrade() else {
2712            return;
2713        };
2714
2715        if matches!(step.status(cx), WorkflowStepStatus::Idle) {
2716            let assist = step.assist.take().unwrap();
2717            InlineAssistant::update_global(cx, |assistant, cx| {
2718                for assist_id in assist.assist_ids {
2719                    assistant.finish_assist(assist_id, true, cx)
2720                }
2721            });
2722
2723            self.workspace
2724                .update(cx, |workspace, cx| {
2725                    if let Some(pane) = workspace.pane_for(&editor) {
2726                        pane.update(cx, |pane, cx| {
2727                            let item_id = editor.entity_id();
2728                            if !assist.editor_was_open && pane.is_active_preview_item(item_id) {
2729                                pane.close_item_by_id(item_id, SaveIntent::Skip, cx)
2730                                    .detach_and_log_err(cx);
2731                            }
2732                        });
2733                    }
2734                })
2735                .ok();
2736        }
2737    }
2738
2739    fn show_workflow_step(
2740        &mut self,
2741        step_range: Range<language::Anchor>,
2742        cx: &mut ViewContext<Self>,
2743    ) {
2744        let Some(step) = self.workflow_steps.get_mut(&step_range) else {
2745            return;
2746        };
2747
2748        let mut scroll_to_assist_id = None;
2749        match step.status(cx) {
2750            WorkflowStepStatus::Idle => {
2751                if let Some(assist) = step.assist.as_ref() {
2752                    scroll_to_assist_id = assist.assist_ids.first().copied();
2753                } else if let Some(Ok(resolved)) = step.resolved_step.as_ref() {
2754                    step.assist = Self::open_assists_for_step(
2755                        resolved,
2756                        &self.project,
2757                        &self.assistant_panel,
2758                        &self.workspace,
2759                        cx,
2760                    );
2761                }
2762            }
2763            WorkflowStepStatus::Pending => {
2764                if let Some(assist) = step.assist.as_ref() {
2765                    let assistant = InlineAssistant::global(cx);
2766                    scroll_to_assist_id = assist
2767                        .assist_ids
2768                        .iter()
2769                        .copied()
2770                        .find(|assist_id| assistant.assist_status(*assist_id, cx).is_pending());
2771                }
2772            }
2773            WorkflowStepStatus::Done => {
2774                if let Some(assist) = step.assist.as_ref() {
2775                    scroll_to_assist_id = assist.assist_ids.first().copied();
2776                }
2777            }
2778            _ => {}
2779        }
2780
2781        if let Some(assist_id) = scroll_to_assist_id {
2782            if let Some(editor) = step
2783                .assist
2784                .as_ref()
2785                .and_then(|assists| assists.editor.upgrade())
2786            {
2787                self.workspace
2788                    .update(cx, |workspace, cx| {
2789                        workspace.activate_item(&editor, false, false, cx);
2790                    })
2791                    .ok();
2792                InlineAssistant::update_global(cx, |assistant, cx| {
2793                    assistant.scroll_to_assist(assist_id, cx)
2794                });
2795            }
2796        }
2797    }
2798
2799    fn open_assists_for_step(
2800        resolved_step: &ResolvedWorkflowStep,
2801        project: &Model<Project>,
2802        assistant_panel: &WeakView<AssistantPanel>,
2803        workspace: &WeakView<Workspace>,
2804        cx: &mut ViewContext<Self>,
2805    ) -> Option<WorkflowAssist> {
2806        let assistant_panel = assistant_panel.upgrade()?;
2807        if resolved_step.suggestions.is_empty() {
2808            return None;
2809        }
2810
2811        let editor;
2812        let mut editor_was_open = false;
2813        let mut suggestion_groups = Vec::new();
2814        if resolved_step.suggestions.len() == 1
2815            && resolved_step.suggestions.values().next().unwrap().len() == 1
2816        {
2817            // If there's only one buffer and one suggestion group, open it directly
2818            let (buffer, groups) = resolved_step.suggestions.iter().next().unwrap();
2819            let group = groups.into_iter().next().unwrap();
2820            editor = workspace
2821                .update(cx, |workspace, cx| {
2822                    let active_pane = workspace.active_pane().clone();
2823                    editor_was_open =
2824                        workspace.is_project_item_open::<Editor>(&active_pane, buffer, cx);
2825                    workspace.open_project_item::<Editor>(
2826                        active_pane,
2827                        buffer.clone(),
2828                        false,
2829                        false,
2830                        cx,
2831                    )
2832                })
2833                .log_err()?;
2834
2835            let (&excerpt_id, _, _) = editor
2836                .read(cx)
2837                .buffer()
2838                .read(cx)
2839                .read(cx)
2840                .as_singleton()
2841                .unwrap();
2842
2843            // Scroll the editor to the suggested assist
2844            editor.update(cx, |editor, cx| {
2845                let multibuffer = editor.buffer().read(cx).snapshot(cx);
2846                let (&excerpt_id, _, buffer) = multibuffer.as_singleton().unwrap();
2847                let anchor = if group.context_range.start.to_offset(buffer) == 0 {
2848                    Anchor::min()
2849                } else {
2850                    multibuffer
2851                        .anchor_in_excerpt(excerpt_id, group.context_range.start)
2852                        .unwrap()
2853                };
2854
2855                editor.set_scroll_anchor(
2856                    ScrollAnchor {
2857                        offset: gpui::Point::default(),
2858                        anchor,
2859                    },
2860                    cx,
2861                );
2862            });
2863
2864            suggestion_groups.push((excerpt_id, group));
2865        } else {
2866            // If there are multiple buffers or suggestion groups, create a multibuffer
2867            let multibuffer = cx.new_model(|cx| {
2868                let replica_id = project.read(cx).replica_id();
2869                let mut multibuffer = MultiBuffer::new(replica_id, Capability::ReadWrite)
2870                    .with_title(resolved_step.title.clone());
2871                for (buffer, groups) in &resolved_step.suggestions {
2872                    let excerpt_ids = multibuffer.push_excerpts(
2873                        buffer.clone(),
2874                        groups.iter().map(|suggestion_group| ExcerptRange {
2875                            context: suggestion_group.context_range.clone(),
2876                            primary: None,
2877                        }),
2878                        cx,
2879                    );
2880                    suggestion_groups.extend(excerpt_ids.into_iter().zip(groups));
2881                }
2882                multibuffer
2883            });
2884
2885            editor = cx.new_view(|cx| {
2886                Editor::for_multibuffer(multibuffer, Some(project.clone()), true, cx)
2887            });
2888            workspace
2889                .update(cx, |workspace, cx| {
2890                    workspace.add_item_to_active_pane(Box::new(editor.clone()), None, false, cx)
2891                })
2892                .log_err()?;
2893        }
2894
2895        let mut assist_ids = Vec::new();
2896        for (excerpt_id, suggestion_group) in suggestion_groups {
2897            for suggestion in &suggestion_group.suggestions {
2898                assist_ids.extend(suggestion.show(
2899                    &editor,
2900                    excerpt_id,
2901                    workspace,
2902                    &assistant_panel,
2903                    cx,
2904                ));
2905            }
2906        }
2907
2908        let mut observations = Vec::new();
2909        InlineAssistant::update_global(cx, |assistant, _cx| {
2910            for assist_id in &assist_ids {
2911                observations.push(assistant.observe_assist(*assist_id));
2912            }
2913        });
2914
2915        Some(WorkflowAssist {
2916            assist_ids,
2917            editor: editor.downgrade(),
2918            editor_was_open,
2919            _observe_assist_status: cx.spawn(|this, mut cx| async move {
2920                while !observations.is_empty() {
2921                    let (result, ix, _) = futures::future::select_all(
2922                        observations
2923                            .iter_mut()
2924                            .map(|observation| Box::pin(observation.changed())),
2925                    )
2926                    .await;
2927
2928                    if result.is_err() {
2929                        observations.remove(ix);
2930                    }
2931
2932                    if this.update(&mut cx, |_, cx| cx.notify()).is_err() {
2933                        break;
2934                    }
2935                }
2936            }),
2937        })
2938    }
2939
2940    fn handle_editor_search_event(
2941        &mut self,
2942        _: View<Editor>,
2943        event: &SearchEvent,
2944        cx: &mut ViewContext<Self>,
2945    ) {
2946        cx.emit(event.clone());
2947    }
2948
2949    fn cursor_scroll_position(&self, cx: &mut ViewContext<Self>) -> Option<ScrollPosition> {
2950        self.editor.update(cx, |editor, cx| {
2951            let snapshot = editor.snapshot(cx);
2952            let cursor = editor.selections.newest_anchor().head();
2953            let cursor_row = cursor
2954                .to_display_point(&snapshot.display_snapshot)
2955                .row()
2956                .as_f32();
2957            let scroll_position = editor
2958                .scroll_manager
2959                .anchor()
2960                .scroll_position(&snapshot.display_snapshot);
2961
2962            let scroll_bottom = scroll_position.y + editor.visible_line_count().unwrap_or(0.);
2963            if (scroll_position.y..scroll_bottom).contains(&cursor_row) {
2964                Some(ScrollPosition {
2965                    cursor,
2966                    offset_before_cursor: point(scroll_position.x, cursor_row - scroll_position.y),
2967                })
2968            } else {
2969                None
2970            }
2971        })
2972    }
2973
2974    fn update_message_headers(&mut self, cx: &mut ViewContext<Self>) {
2975        self.editor.update(cx, |editor, cx| {
2976            let buffer = editor.buffer().read(cx).snapshot(cx);
2977            let excerpt_id = *buffer.as_singleton().unwrap().0;
2978            let old_blocks = std::mem::take(&mut self.blocks);
2979            let new_blocks = self
2980                .context
2981                .read(cx)
2982                .messages(cx)
2983                .map(|message| BlockProperties {
2984                    position: buffer
2985                        .anchor_in_excerpt(excerpt_id, message.anchor)
2986                        .unwrap(),
2987                    height: 2,
2988                    style: BlockStyle::Sticky,
2989                    render: Box::new({
2990                        let context = self.context.clone();
2991                        move |cx| {
2992                            let message_id = message.id;
2993                            let show_spinner = message.role == Role::Assistant
2994                                && message.status == MessageStatus::Pending;
2995
2996                            let label = match message.role {
2997                                Role::User => {
2998                                    Label::new("You").color(Color::Default).into_any_element()
2999                                }
3000                                Role::Assistant => {
3001                                    let label = Label::new("Assistant").color(Color::Info);
3002                                    if show_spinner {
3003                                        label
3004                                            .with_animation(
3005                                                "pulsating-label",
3006                                                Animation::new(Duration::from_secs(2))
3007                                                    .repeat()
3008                                                    .with_easing(pulsating_between(0.2, 1.0)),
3009                                                |label, delta| label.alpha(delta),
3010                                            )
3011                                            .into_any_element()
3012                                    } else {
3013                                        label.into_any_element()
3014                                    }
3015                                }
3016
3017                                Role::System => Label::new("System")
3018                                    .color(Color::Warning)
3019                                    .into_any_element(),
3020                            };
3021
3022                            let sender = ButtonLike::new("role")
3023                                .style(ButtonStyle::Filled)
3024                                .child(label)
3025                                .tooltip(|cx| {
3026                                    Tooltip::with_meta(
3027                                        "Toggle message role",
3028                                        None,
3029                                        "Available roles: You (User), Assistant, System",
3030                                        cx,
3031                                    )
3032                                })
3033                                .on_click({
3034                                    let context = context.clone();
3035                                    move |_, cx| {
3036                                        context.update(cx, |context, cx| {
3037                                            context.cycle_message_roles(
3038                                                HashSet::from_iter(Some(message_id)),
3039                                                cx,
3040                                            )
3041                                        })
3042                                    }
3043                                });
3044
3045                            let trigger = Button::new("show-error", "Error")
3046                                .color(Color::Error)
3047                                .selected_label_color(Color::Error)
3048                                .selected_icon_color(Color::Error)
3049                                .icon(IconName::XCircle)
3050                                .icon_color(Color::Error)
3051                                .icon_size(IconSize::Small)
3052                                .icon_position(IconPosition::Start)
3053                                .tooltip(move |cx| {
3054                                    Tooltip::with_meta(
3055                                        "Error interacting with language model",
3056                                        None,
3057                                        "Click for more details",
3058                                        cx,
3059                                    )
3060                                });
3061                            h_flex()
3062                                .id(("message_header", message_id.as_u64()))
3063                                .pl(cx.gutter_dimensions.full_width())
3064                                .h_11()
3065                                .w_full()
3066                                .relative()
3067                                .gap_1()
3068                                .child(sender)
3069                                .children(
3070                                    if let MessageStatus::Error(error) = message.status.clone() {
3071                                        Some(
3072                                            PopoverMenu::new("show-error-popover")
3073                                                .menu(move |cx| {
3074                                                    Some(cx.new_view(|cx| ErrorPopover {
3075                                                        error: error.clone(),
3076                                                        focus_handle: cx.focus_handle(),
3077                                                    }))
3078                                                })
3079                                                .trigger(trigger),
3080                                        )
3081                                    } else {
3082                                        None
3083                                    },
3084                                )
3085                                .into_any_element()
3086                        }
3087                    }),
3088                    disposition: BlockDisposition::Above,
3089                    priority: usize::MAX,
3090                })
3091                .collect::<Vec<_>>();
3092
3093            editor.remove_blocks(old_blocks, None, cx);
3094            let ids = editor.insert_blocks(new_blocks, None, cx);
3095            self.blocks = HashSet::from_iter(ids);
3096        });
3097    }
3098
3099    fn insert_selection(
3100        workspace: &mut Workspace,
3101        _: &InsertIntoEditor,
3102        cx: &mut ViewContext<Workspace>,
3103    ) {
3104        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
3105            return;
3106        };
3107        let Some(context_editor_view) = panel.read(cx).active_context_editor(cx) else {
3108            return;
3109        };
3110        let Some(active_editor_view) = workspace
3111            .active_item(cx)
3112            .and_then(|item| item.act_as::<Editor>(cx))
3113        else {
3114            return;
3115        };
3116
3117        let context_editor = context_editor_view.read(cx).editor.read(cx);
3118        let anchor = context_editor.selections.newest_anchor();
3119        let text = context_editor
3120            .buffer()
3121            .read(cx)
3122            .read(cx)
3123            .text_for_range(anchor.range())
3124            .collect::<String>();
3125
3126        // If nothing is selected, don't delete the current selection; instead, be a no-op.
3127        if !text.is_empty() {
3128            active_editor_view.update(cx, |editor, cx| {
3129                editor.insert(&text, cx);
3130                editor.focus(cx);
3131            })
3132        }
3133    }
3134
3135    fn quote_selection(
3136        workspace: &mut Workspace,
3137        _: &QuoteSelection,
3138        cx: &mut ViewContext<Workspace>,
3139    ) {
3140        let Some(panel) = workspace.panel::<AssistantPanel>(cx) else {
3141            return;
3142        };
3143        let Some(editor) = workspace
3144            .active_item(cx)
3145            .and_then(|item| item.act_as::<Editor>(cx))
3146        else {
3147            return;
3148        };
3149
3150        let selection = editor.update(cx, |editor, cx| editor.selections.newest_adjusted(cx));
3151        let editor = editor.read(cx);
3152        let buffer = editor.buffer().read(cx).snapshot(cx);
3153        let range = editor::ToOffset::to_offset(&selection.start, &buffer)
3154            ..editor::ToOffset::to_offset(&selection.end, &buffer);
3155        let selected_text = buffer.text_for_range(range.clone()).collect::<String>();
3156        if selected_text.is_empty() {
3157            return;
3158        }
3159
3160        let start_language = buffer.language_at(range.start);
3161        let end_language = buffer.language_at(range.end);
3162        let language_name = if start_language == end_language {
3163            start_language.map(|language| language.code_fence_block_name())
3164        } else {
3165            None
3166        };
3167        let language_name = language_name.as_deref().unwrap_or("");
3168
3169        let filename = buffer
3170            .file_at(selection.start)
3171            .map(|file| file.full_path(cx));
3172
3173        let text = if language_name == "markdown" {
3174            selected_text
3175                .lines()
3176                .map(|line| format!("> {}", line))
3177                .collect::<Vec<_>>()
3178                .join("\n")
3179        } else {
3180            let start_symbols = buffer
3181                .symbols_containing(selection.start, None)
3182                .map(|(_, symbols)| symbols);
3183            let end_symbols = buffer
3184                .symbols_containing(selection.end, None)
3185                .map(|(_, symbols)| symbols);
3186
3187            let outline_text =
3188                if let Some((start_symbols, end_symbols)) = start_symbols.zip(end_symbols) {
3189                    Some(
3190                        start_symbols
3191                            .into_iter()
3192                            .zip(end_symbols)
3193                            .take_while(|(a, b)| a == b)
3194                            .map(|(a, _)| a.text)
3195                            .collect::<Vec<_>>()
3196                            .join(" > "),
3197                    )
3198                } else {
3199                    None
3200                };
3201
3202            let line_comment_prefix = start_language
3203                .and_then(|l| l.default_scope().line_comment_prefixes().first().cloned());
3204
3205            let fence = codeblock_fence_for_path(
3206                filename.as_deref(),
3207                Some(selection.start.row..selection.end.row),
3208            );
3209
3210            if let Some((line_comment_prefix, outline_text)) = line_comment_prefix.zip(outline_text)
3211            {
3212                let breadcrumb = format!("{line_comment_prefix}Excerpt from: {outline_text}\n");
3213                format!("{fence}{breadcrumb}{selected_text}\n```")
3214            } else {
3215                format!("{fence}{selected_text}\n```")
3216            }
3217        };
3218
3219        let crease_title = if let Some(path) = filename {
3220            let start_line = selection.start.row + 1;
3221            let end_line = selection.end.row + 1;
3222            if start_line == end_line {
3223                format!("{}, Line {}", path.display(), start_line)
3224            } else {
3225                format!("{}, Lines {} to {}", path.display(), start_line, end_line)
3226            }
3227        } else {
3228            "Quoted selection".to_string()
3229        };
3230
3231        // Activate the panel
3232        if !panel.focus_handle(cx).contains_focused(cx) {
3233            workspace.toggle_panel_focus::<AssistantPanel>(cx);
3234        }
3235
3236        panel.update(cx, |_, cx| {
3237            // Wait to create a new context until the workspace is no longer
3238            // being updated.
3239            cx.defer(move |panel, cx| {
3240                if let Some(context) = panel
3241                    .active_context_editor(cx)
3242                    .or_else(|| panel.new_context(cx))
3243                {
3244                    context.update(cx, |context, cx| {
3245                        context.editor.update(cx, |editor, cx| {
3246                            editor.insert("\n", cx);
3247
3248                            let point = editor.selections.newest::<Point>(cx).head();
3249                            let start_row = MultiBufferRow(point.row);
3250
3251                            editor.insert(&text, cx);
3252
3253                            let snapshot = editor.buffer().read(cx).snapshot(cx);
3254                            let anchor_before = snapshot.anchor_after(point);
3255                            let anchor_after = editor
3256                                .selections
3257                                .newest_anchor()
3258                                .head()
3259                                .bias_left(&snapshot);
3260
3261                            editor.insert("\n", cx);
3262
3263                            let fold_placeholder = quote_selection_fold_placeholder(
3264                                crease_title,
3265                                cx.view().downgrade(),
3266                            );
3267                            let crease = Crease::new(
3268                                anchor_before..anchor_after,
3269                                fold_placeholder,
3270                                render_quote_selection_output_toggle,
3271                                |_, _, _| Empty.into_any(),
3272                            );
3273                            editor.insert_creases(vec![crease], cx);
3274                            editor.fold_at(
3275                                &FoldAt {
3276                                    buffer_row: start_row,
3277                                },
3278                                cx,
3279                            );
3280                        })
3281                    });
3282                };
3283            });
3284        });
3285    }
3286
3287    fn copy(&mut self, _: &editor::actions::Copy, cx: &mut ViewContext<Self>) {
3288        let editor = self.editor.read(cx);
3289        let context = self.context.read(cx);
3290        if editor.selections.count() == 1 {
3291            let selection = editor.selections.newest::<usize>(cx);
3292            let mut copied_text = String::new();
3293            let mut spanned_messages = 0;
3294            for message in context.messages(cx) {
3295                if message.offset_range.start >= selection.range().end {
3296                    break;
3297                } else if message.offset_range.end >= selection.range().start {
3298                    let range = cmp::max(message.offset_range.start, selection.range().start)
3299                        ..cmp::min(message.offset_range.end, selection.range().end);
3300                    if !range.is_empty() {
3301                        spanned_messages += 1;
3302                        write!(&mut copied_text, "## {}\n\n", message.role).unwrap();
3303                        for chunk in context.buffer().read(cx).text_for_range(range) {
3304                            copied_text.push_str(chunk);
3305                        }
3306                        copied_text.push('\n');
3307                    }
3308                }
3309            }
3310
3311            if spanned_messages > 1 {
3312                cx.write_to_clipboard(ClipboardItem::new_string(copied_text));
3313                return;
3314            }
3315        }
3316
3317        cx.propagate();
3318    }
3319
3320    fn paste(&mut self, _: &editor::actions::Paste, cx: &mut ViewContext<Self>) {
3321        let images = if let Some(item) = cx.read_from_clipboard() {
3322            item.into_entries()
3323                .filter_map(|entry| {
3324                    if let ClipboardEntry::Image(image) = entry {
3325                        Some(image)
3326                    } else {
3327                        None
3328                    }
3329                })
3330                .collect()
3331        } else {
3332            Vec::new()
3333        };
3334
3335        if images.is_empty() {
3336            // If we didn't find any valid image data to paste, propagate to let normal pasting happen.
3337            cx.propagate();
3338        } else {
3339            let mut image_positions = Vec::new();
3340            self.editor.update(cx, |editor, cx| {
3341                editor.transact(cx, |editor, cx| {
3342                    let edits = editor
3343                        .selections
3344                        .all::<usize>(cx)
3345                        .into_iter()
3346                        .map(|selection| (selection.start..selection.end, "\n"));
3347                    editor.edit(edits, cx);
3348
3349                    let snapshot = editor.buffer().read(cx).snapshot(cx);
3350                    for selection in editor.selections.all::<usize>(cx) {
3351                        image_positions.push(snapshot.anchor_before(selection.end));
3352                    }
3353                });
3354            });
3355
3356            self.context.update(cx, |context, cx| {
3357                for image in images {
3358                    let image_id = image.id();
3359                    context.insert_image(image, cx);
3360                    for image_position in image_positions.iter() {
3361                        context.insert_image_anchor(image_id, image_position.text_anchor, cx);
3362                    }
3363                }
3364            });
3365        }
3366    }
3367
3368    fn update_image_blocks(&mut self, cx: &mut ViewContext<Self>) {
3369        self.editor.update(cx, |editor, cx| {
3370            let buffer = editor.buffer().read(cx).snapshot(cx);
3371            let excerpt_id = *buffer.as_singleton().unwrap().0;
3372            let old_blocks = std::mem::take(&mut self.image_blocks);
3373            let new_blocks = self
3374                .context
3375                .read(cx)
3376                .images(cx)
3377                .filter_map(|image| {
3378                    const MAX_HEIGHT_IN_LINES: u32 = 8;
3379                    let anchor = buffer.anchor_in_excerpt(excerpt_id, image.anchor).unwrap();
3380                    let image = image.render_image.clone();
3381                    anchor.is_valid(&buffer).then(|| BlockProperties {
3382                        position: anchor,
3383                        height: MAX_HEIGHT_IN_LINES,
3384                        style: BlockStyle::Sticky,
3385                        render: Box::new(move |cx| {
3386                            let image_size = size_for_image(
3387                                &image,
3388                                size(
3389                                    cx.max_width - cx.gutter_dimensions.full_width(),
3390                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
3391                                ),
3392                            );
3393                            h_flex()
3394                                .pl(cx.gutter_dimensions.full_width())
3395                                .child(
3396                                    img(image.clone())
3397                                        .object_fit(gpui::ObjectFit::ScaleDown)
3398                                        .w(image_size.width)
3399                                        .h(image_size.height),
3400                                )
3401                                .into_any_element()
3402                        }),
3403
3404                        disposition: BlockDisposition::Above,
3405                        priority: 0,
3406                    })
3407                })
3408                .collect::<Vec<_>>();
3409
3410            editor.remove_blocks(old_blocks, None, cx);
3411            let ids = editor.insert_blocks(new_blocks, None, cx);
3412            self.image_blocks = HashSet::from_iter(ids);
3413        });
3414    }
3415
3416    fn split(&mut self, _: &Split, cx: &mut ViewContext<Self>) {
3417        self.context.update(cx, |context, cx| {
3418            let selections = self.editor.read(cx).selections.disjoint_anchors();
3419            for selection in selections.as_ref() {
3420                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
3421                let range = selection
3422                    .map(|endpoint| endpoint.to_offset(&buffer))
3423                    .range();
3424                context.split_message(range, cx);
3425            }
3426        });
3427    }
3428
3429    fn save(&mut self, _: &Save, cx: &mut ViewContext<Self>) {
3430        self.context.update(cx, |context, cx| {
3431            context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
3432        });
3433    }
3434
3435    fn title(&self, cx: &AppContext) -> Cow<str> {
3436        self.context
3437            .read(cx)
3438            .summary()
3439            .map(|summary| summary.text.clone())
3440            .map(Cow::Owned)
3441            .unwrap_or_else(|| Cow::Borrowed(DEFAULT_TAB_TITLE))
3442    }
3443
3444    fn render_notice(&self, cx: &mut ViewContext<Self>) -> Option<AnyElement> {
3445        use feature_flags::FeatureFlagAppExt;
3446        let nudge = self.assistant_panel.upgrade().map(|assistant_panel| {
3447            assistant_panel.read(cx).show_zed_ai_notice && cx.has_flag::<feature_flags::ZedPro>()
3448        });
3449
3450        if nudge.map_or(false, |value| value) {
3451            Some(
3452                h_flex()
3453                    .p_3()
3454                    .border_b_1()
3455                    .border_color(cx.theme().colors().border_variant)
3456                    .bg(cx.theme().colors().editor_background)
3457                    .justify_between()
3458                    .child(
3459                        h_flex()
3460                            .gap_3()
3461                            .child(Icon::new(IconName::ZedAssistant).color(Color::Accent))
3462                            .child(Label::new("Zed AI is here! Get started by signing in →")),
3463                    )
3464                    .child(
3465                        Button::new("sign-in", "Sign in")
3466                            .size(ButtonSize::Compact)
3467                            .style(ButtonStyle::Filled)
3468                            .on_click(cx.listener(|this, _event, cx| {
3469                                let client = this
3470                                    .workspace
3471                                    .update(cx, |workspace, _| workspace.client().clone())
3472                                    .log_err();
3473
3474                                if let Some(client) = client {
3475                                    cx.spawn(|this, mut cx| async move {
3476                                        client.authenticate_and_connect(true, &mut cx).await?;
3477                                        this.update(&mut cx, |_, cx| cx.notify())
3478                                    })
3479                                    .detach_and_log_err(cx)
3480                                }
3481                            })),
3482                    )
3483                    .into_any_element(),
3484            )
3485        } else if let Some(configuration_error) = configuration_error(cx) {
3486            let label = match configuration_error {
3487                ConfigurationError::NoProvider => "No LLM provider selected.",
3488                ConfigurationError::ProviderNotAuthenticated => "LLM provider is not configured.",
3489            };
3490            Some(
3491                h_flex()
3492                    .p_3()
3493                    .border_b_1()
3494                    .border_color(cx.theme().colors().border_variant)
3495                    .bg(cx.theme().colors().editor_background)
3496                    .justify_between()
3497                    .child(
3498                        h_flex()
3499                            .gap_3()
3500                            .child(
3501                                Icon::new(IconName::ExclamationTriangle)
3502                                    .size(IconSize::Small)
3503                                    .color(Color::Warning),
3504                            )
3505                            .child(Label::new(label)),
3506                    )
3507                    .child(
3508                        Button::new("open-configuration", "Open configuration")
3509                            .size(ButtonSize::Compact)
3510                            .icon_size(IconSize::Small)
3511                            .style(ButtonStyle::Filled)
3512                            .on_click({
3513                                let focus_handle = self.focus_handle(cx).clone();
3514                                move |_event, cx| {
3515                                    focus_handle.dispatch_action(&ShowConfiguration, cx);
3516                                }
3517                            }),
3518                    )
3519                    .into_any_element(),
3520            )
3521        } else {
3522            None
3523        }
3524    }
3525
3526    fn render_send_button(&self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3527        let focus_handle = self.focus_handle(cx).clone();
3528        let button_text = match self.active_workflow_step() {
3529            Some(step) => match step.status(cx) {
3530                WorkflowStepStatus::Resolving => "Resolving Step...",
3531                WorkflowStepStatus::Error(_) => "Retry Step Resolution",
3532                WorkflowStepStatus::Idle => "Transform",
3533                WorkflowStepStatus::Pending => "Transforming...",
3534                WorkflowStepStatus::Done => "Accept Transformation",
3535                WorkflowStepStatus::Confirmed => "Send",
3536            },
3537            None => "Send",
3538        };
3539
3540        let (style, tooltip) = match token_state(&self.context, cx) {
3541            Some(TokenState::NoTokensLeft { .. }) => (
3542                ButtonStyle::Tinted(TintColor::Negative),
3543                Some(Tooltip::text("Token limit reached", cx)),
3544            ),
3545            Some(TokenState::HasMoreTokens {
3546                over_warn_threshold,
3547                ..
3548            }) => {
3549                let (style, tooltip) = if over_warn_threshold {
3550                    (
3551                        ButtonStyle::Tinted(TintColor::Warning),
3552                        Some(Tooltip::text("Token limit is close to exhaustion", cx)),
3553                    )
3554                } else {
3555                    (ButtonStyle::Filled, None)
3556                };
3557                (style, tooltip)
3558            }
3559            None => (ButtonStyle::Filled, None),
3560        };
3561
3562        let provider = LanguageModelRegistry::read_global(cx).active_provider();
3563        let disabled = self.show_accept_terms
3564            && provider
3565                .as_ref()
3566                .map_or(false, |provider| provider.must_accept_terms(cx));
3567
3568        ButtonLike::new("send_button")
3569            .disabled(disabled)
3570            .style(style)
3571            .when_some(tooltip, |button, tooltip| {
3572                button.tooltip(move |_| tooltip.clone())
3573            })
3574            .layer(ElevationIndex::ModalSurface)
3575            .children(
3576                KeyBinding::for_action_in(&Assist, &focus_handle, cx)
3577                    .map(|binding| binding.into_any_element()),
3578            )
3579            .child(Label::new(button_text))
3580            .on_click(move |_event, cx| {
3581                focus_handle.dispatch_action(&Assist, cx);
3582            })
3583    }
3584
3585    fn active_workflow_step_for_cursor(&self, cx: &AppContext) -> Option<ActiveWorkflowStep> {
3586        let newest_cursor = self.editor.read(cx).selections.newest::<usize>(cx).head();
3587        let context = self.context.read(cx);
3588        let buffer = context.buffer().read(cx);
3589
3590        let workflow_steps = context.workflow_steps();
3591        workflow_steps
3592            .binary_search_by(|step| {
3593                let step_range = step.tagged_range.to_offset(&buffer);
3594                if newest_cursor < step_range.start {
3595                    Ordering::Greater
3596                } else if newest_cursor > step_range.end {
3597                    Ordering::Less
3598                } else {
3599                    Ordering::Equal
3600                }
3601            })
3602            .ok()
3603            .and_then(|index| {
3604                let range = workflow_steps[index].tagged_range.clone();
3605                Some(ActiveWorkflowStep {
3606                    resolved: self.workflow_steps.get(&range)?.resolved_step.is_some(),
3607                    range,
3608                })
3609            })
3610    }
3611}
3612
3613impl EventEmitter<EditorEvent> for ContextEditor {}
3614impl EventEmitter<SearchEvent> for ContextEditor {}
3615
3616impl Render for ContextEditor {
3617    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3618        let provider = LanguageModelRegistry::read_global(cx).active_provider();
3619        let accept_terms = if self.show_accept_terms {
3620            provider
3621                .as_ref()
3622                .and_then(|provider| provider.render_accept_terms(cx))
3623        } else {
3624            None
3625        };
3626
3627        v_flex()
3628            .key_context("ContextEditor")
3629            .capture_action(cx.listener(ContextEditor::cancel))
3630            .capture_action(cx.listener(ContextEditor::save))
3631            .capture_action(cx.listener(ContextEditor::copy))
3632            .capture_action(cx.listener(ContextEditor::paste))
3633            .capture_action(cx.listener(ContextEditor::cycle_message_role))
3634            .capture_action(cx.listener(ContextEditor::confirm_command))
3635            .on_action(cx.listener(ContextEditor::assist))
3636            .on_action(cx.listener(ContextEditor::split))
3637            .on_action(cx.listener(ContextEditor::debug_workflow_steps))
3638            .size_full()
3639            .children(self.render_notice(cx))
3640            .child(
3641                div()
3642                    .flex_grow()
3643                    .bg(cx.theme().colors().editor_background)
3644                    .child(self.editor.clone()),
3645            )
3646            .when_some(accept_terms, |this, element| {
3647                this.child(
3648                    div()
3649                        .absolute()
3650                        .right_4()
3651                        .bottom_10()
3652                        .max_w_96()
3653                        .py_2()
3654                        .px_3()
3655                        .elevation_2(cx)
3656                        .bg(cx.theme().colors().surface_background)
3657                        .occlude()
3658                        .child(element),
3659                )
3660            })
3661            .child(
3662                h_flex().flex_none().relative().child(
3663                    h_flex()
3664                        .w_full()
3665                        .absolute()
3666                        .right_4()
3667                        .bottom_2()
3668                        .justify_end()
3669                        .child(self.render_send_button(cx)),
3670                ),
3671            )
3672    }
3673}
3674
3675struct ErrorPopover {
3676    error: SharedString,
3677    focus_handle: FocusHandle,
3678}
3679
3680impl EventEmitter<DismissEvent> for ErrorPopover {}
3681
3682impl FocusableView for ErrorPopover {
3683    fn focus_handle(&self, _: &AppContext) -> FocusHandle {
3684        self.focus_handle.clone()
3685    }
3686}
3687
3688impl Render for ErrorPopover {
3689    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
3690        v_flex()
3691            .mt_2()
3692            .max_w_96()
3693            .py_2()
3694            .px_3()
3695            .gap_0p5()
3696            .elevation_2(cx)
3697            .bg(cx.theme().colors().surface_background)
3698            .occlude()
3699            .child(Label::new("Error interacting with language model").weight(FontWeight::SEMIBOLD))
3700            .child(Label::new(self.error.clone()))
3701            .child(
3702                h_flex().justify_end().mt_1().child(
3703                    Button::new("dismiss", "Dismiss")
3704                        .on_click(cx.listener(|_, _, cx| cx.emit(DismissEvent))),
3705                ),
3706            )
3707    }
3708}
3709
3710impl FocusableView for ContextEditor {
3711    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
3712        self.editor.focus_handle(cx)
3713    }
3714}
3715
3716impl Item for ContextEditor {
3717    type Event = editor::EditorEvent;
3718
3719    fn tab_content_text(&self, cx: &WindowContext) -> Option<SharedString> {
3720        Some(util::truncate_and_trailoff(&self.title(cx), MAX_TAB_TITLE_LEN).into())
3721    }
3722
3723    fn to_item_events(event: &Self::Event, mut f: impl FnMut(item::ItemEvent)) {
3724        match event {
3725            EditorEvent::Edited { .. } => {
3726                f(item::ItemEvent::Edit);
3727            }
3728            EditorEvent::TitleChanged => {
3729                f(item::ItemEvent::UpdateTab);
3730            }
3731            _ => {}
3732        }
3733    }
3734
3735    fn tab_tooltip_text(&self, cx: &AppContext) -> Option<SharedString> {
3736        Some(self.title(cx).to_string().into())
3737    }
3738
3739    fn as_searchable(&self, handle: &View<Self>) -> Option<Box<dyn SearchableItemHandle>> {
3740        Some(Box::new(handle.clone()))
3741    }
3742
3743    fn set_nav_history(&mut self, nav_history: pane::ItemNavHistory, cx: &mut ViewContext<Self>) {
3744        self.editor.update(cx, |editor, cx| {
3745            Item::set_nav_history(editor, nav_history, cx)
3746        })
3747    }
3748
3749    fn navigate(&mut self, data: Box<dyn std::any::Any>, cx: &mut ViewContext<Self>) -> bool {
3750        self.editor
3751            .update(cx, |editor, cx| Item::navigate(editor, data, cx))
3752    }
3753
3754    fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
3755        self.editor
3756            .update(cx, |editor, cx| Item::deactivated(editor, cx))
3757    }
3758}
3759
3760impl SearchableItem for ContextEditor {
3761    type Match = <Editor as SearchableItem>::Match;
3762
3763    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
3764        self.editor.update(cx, |editor, cx| {
3765            editor.clear_matches(cx);
3766        });
3767    }
3768
3769    fn update_matches(&mut self, matches: &[Self::Match], cx: &mut ViewContext<Self>) {
3770        self.editor
3771            .update(cx, |editor, cx| editor.update_matches(matches, cx));
3772    }
3773
3774    fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> String {
3775        self.editor
3776            .update(cx, |editor, cx| editor.query_suggestion(cx))
3777    }
3778
3779    fn activate_match(
3780        &mut self,
3781        index: usize,
3782        matches: &[Self::Match],
3783        cx: &mut ViewContext<Self>,
3784    ) {
3785        self.editor.update(cx, |editor, cx| {
3786            editor.activate_match(index, matches, cx);
3787        });
3788    }
3789
3790    fn select_matches(&mut self, matches: &[Self::Match], cx: &mut ViewContext<Self>) {
3791        self.editor
3792            .update(cx, |editor, cx| editor.select_matches(matches, cx));
3793    }
3794
3795    fn replace(
3796        &mut self,
3797        identifier: &Self::Match,
3798        query: &project::search::SearchQuery,
3799        cx: &mut ViewContext<Self>,
3800    ) {
3801        self.editor
3802            .update(cx, |editor, cx| editor.replace(identifier, query, cx));
3803    }
3804
3805    fn find_matches(
3806        &mut self,
3807        query: Arc<project::search::SearchQuery>,
3808        cx: &mut ViewContext<Self>,
3809    ) -> Task<Vec<Self::Match>> {
3810        self.editor
3811            .update(cx, |editor, cx| editor.find_matches(query, cx))
3812    }
3813
3814    fn active_match_index(
3815        &mut self,
3816        matches: &[Self::Match],
3817        cx: &mut ViewContext<Self>,
3818    ) -> Option<usize> {
3819        self.editor
3820            .update(cx, |editor, cx| editor.active_match_index(matches, cx))
3821    }
3822}
3823
3824impl FollowableItem for ContextEditor {
3825    fn remote_id(&self) -> Option<workspace::ViewId> {
3826        self.remote_id
3827    }
3828
3829    fn to_state_proto(&self, cx: &WindowContext) -> Option<proto::view::Variant> {
3830        let context = self.context.read(cx);
3831        Some(proto::view::Variant::ContextEditor(
3832            proto::view::ContextEditor {
3833                context_id: context.id().to_proto(),
3834                editor: if let Some(proto::view::Variant::Editor(proto)) =
3835                    self.editor.read(cx).to_state_proto(cx)
3836                {
3837                    Some(proto)
3838                } else {
3839                    None
3840                },
3841            },
3842        ))
3843    }
3844
3845    fn from_state_proto(
3846        workspace: View<Workspace>,
3847        id: workspace::ViewId,
3848        state: &mut Option<proto::view::Variant>,
3849        cx: &mut WindowContext,
3850    ) -> Option<Task<Result<View<Self>>>> {
3851        let proto::view::Variant::ContextEditor(_) = state.as_ref()? else {
3852            return None;
3853        };
3854        let Some(proto::view::Variant::ContextEditor(state)) = state.take() else {
3855            unreachable!()
3856        };
3857
3858        let context_id = ContextId::from_proto(state.context_id);
3859        let editor_state = state.editor?;
3860
3861        let (project, panel) = workspace.update(cx, |workspace, cx| {
3862            Some((
3863                workspace.project().clone(),
3864                workspace.panel::<AssistantPanel>(cx)?,
3865            ))
3866        })?;
3867
3868        let context_editor =
3869            panel.update(cx, |panel, cx| panel.open_remote_context(context_id, cx));
3870
3871        Some(cx.spawn(|mut cx| async move {
3872            let context_editor = context_editor.await?;
3873            context_editor
3874                .update(&mut cx, |context_editor, cx| {
3875                    context_editor.remote_id = Some(id);
3876                    context_editor.editor.update(cx, |editor, cx| {
3877                        editor.apply_update_proto(
3878                            &project,
3879                            proto::update_view::Variant::Editor(proto::update_view::Editor {
3880                                selections: editor_state.selections,
3881                                pending_selection: editor_state.pending_selection,
3882                                scroll_top_anchor: editor_state.scroll_top_anchor,
3883                                scroll_x: editor_state.scroll_y,
3884                                scroll_y: editor_state.scroll_y,
3885                                ..Default::default()
3886                            }),
3887                            cx,
3888                        )
3889                    })
3890                })?
3891                .await?;
3892            Ok(context_editor)
3893        }))
3894    }
3895
3896    fn to_follow_event(event: &Self::Event) -> Option<item::FollowEvent> {
3897        Editor::to_follow_event(event)
3898    }
3899
3900    fn add_event_to_update_proto(
3901        &self,
3902        event: &Self::Event,
3903        update: &mut Option<proto::update_view::Variant>,
3904        cx: &WindowContext,
3905    ) -> bool {
3906        self.editor
3907            .read(cx)
3908            .add_event_to_update_proto(event, update, cx)
3909    }
3910
3911    fn apply_update_proto(
3912        &mut self,
3913        project: &Model<Project>,
3914        message: proto::update_view::Variant,
3915        cx: &mut ViewContext<Self>,
3916    ) -> Task<Result<()>> {
3917        self.editor.update(cx, |editor, cx| {
3918            editor.apply_update_proto(project, message, cx)
3919        })
3920    }
3921
3922    fn is_project_item(&self, _cx: &WindowContext) -> bool {
3923        true
3924    }
3925
3926    fn set_leader_peer_id(
3927        &mut self,
3928        leader_peer_id: Option<proto::PeerId>,
3929        cx: &mut ViewContext<Self>,
3930    ) {
3931        self.editor.update(cx, |editor, cx| {
3932            editor.set_leader_peer_id(leader_peer_id, cx)
3933        })
3934    }
3935
3936    fn dedup(&self, existing: &Self, cx: &WindowContext) -> Option<item::Dedup> {
3937        if existing.context.read(cx).id() == self.context.read(cx).id() {
3938            Some(item::Dedup::KeepExisting)
3939        } else {
3940            None
3941        }
3942    }
3943}
3944
3945pub struct ContextEditorToolbarItem {
3946    fs: Arc<dyn Fs>,
3947    workspace: WeakView<Workspace>,
3948    active_context_editor: Option<WeakView<ContextEditor>>,
3949    model_summary_editor: View<Editor>,
3950}
3951
3952impl ContextEditorToolbarItem {
3953    pub fn new(
3954        workspace: &Workspace,
3955        _model_selector_menu_handle: PopoverMenuHandle<ContextMenu>,
3956        model_summary_editor: View<Editor>,
3957    ) -> Self {
3958        Self {
3959            fs: workspace.app_state().fs.clone(),
3960            workspace: workspace.weak_handle(),
3961            active_context_editor: None,
3962            model_summary_editor,
3963        }
3964    }
3965
3966    fn render_inject_context_menu(&self, cx: &mut ViewContext<Self>) -> impl Element {
3967        let commands = SlashCommandRegistry::global(cx);
3968        let active_editor_focus_handle = self.workspace.upgrade().and_then(|workspace| {
3969            Some(
3970                workspace
3971                    .read(cx)
3972                    .active_item_as::<Editor>(cx)?
3973                    .focus_handle(cx),
3974            )
3975        });
3976        let active_context_editor = self.active_context_editor.clone();
3977
3978        PopoverMenu::new("inject-context-menu")
3979            .trigger(IconButton::new("trigger", IconName::Quote).tooltip(|cx| {
3980                Tooltip::with_meta("Insert Context", None, "Type / to insert via keyboard", cx)
3981            }))
3982            .menu(move |cx| {
3983                let active_context_editor = active_context_editor.clone()?;
3984                ContextMenu::build(cx, |mut menu, _cx| {
3985                    for command_name in commands.featured_command_names() {
3986                        if let Some(command) = commands.command(&command_name) {
3987                            let menu_text = SharedString::from(Arc::from(command.menu_text()));
3988                            menu = menu.custom_entry(
3989                                {
3990                                    let command_name = command_name.clone();
3991                                    move |_cx| {
3992                                        h_flex()
3993                                            .gap_4()
3994                                            .w_full()
3995                                            .justify_between()
3996                                            .child(Label::new(menu_text.clone()))
3997                                            .child(
3998                                                Label::new(format!("/{command_name}"))
3999                                                    .color(Color::Muted),
4000                                            )
4001                                            .into_any()
4002                                    }
4003                                },
4004                                {
4005                                    let active_context_editor = active_context_editor.clone();
4006                                    move |cx| {
4007                                        active_context_editor
4008                                            .update(cx, |context_editor, cx| {
4009                                                context_editor.insert_command(&command_name, cx)
4010                                            })
4011                                            .ok();
4012                                    }
4013                                },
4014                            )
4015                        }
4016                    }
4017
4018                    if let Some(active_editor_focus_handle) = active_editor_focus_handle.clone() {
4019                        menu = menu
4020                            .context(active_editor_focus_handle)
4021                            .action("Quote Selection", Box::new(QuoteSelection));
4022                    }
4023
4024                    menu
4025                })
4026                .into()
4027            })
4028    }
4029
4030    fn render_remaining_tokens(&self, cx: &mut ViewContext<Self>) -> Option<impl IntoElement> {
4031        let context = &self
4032            .active_context_editor
4033            .as_ref()?
4034            .upgrade()?
4035            .read(cx)
4036            .context;
4037        let (token_count_color, token_count, max_token_count) = match token_state(context, cx)? {
4038            TokenState::NoTokensLeft {
4039                max_token_count,
4040                token_count,
4041            } => (Color::Error, token_count, max_token_count),
4042            TokenState::HasMoreTokens {
4043                max_token_count,
4044                token_count,
4045                over_warn_threshold,
4046            } => {
4047                let color = if over_warn_threshold {
4048                    Color::Warning
4049                } else {
4050                    Color::Muted
4051                };
4052                (color, token_count, max_token_count)
4053            }
4054        };
4055        Some(
4056            h_flex()
4057                .gap_0p5()
4058                .child(
4059                    Label::new(humanize_token_count(token_count))
4060                        .size(LabelSize::Small)
4061                        .color(token_count_color),
4062                )
4063                .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
4064                .child(
4065                    Label::new(humanize_token_count(max_token_count))
4066                        .size(LabelSize::Small)
4067                        .color(Color::Muted),
4068                ),
4069        )
4070    }
4071}
4072
4073impl Render for ContextEditorToolbarItem {
4074    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
4075        let left_side = h_flex()
4076            .gap_2()
4077            .flex_1()
4078            .min_w(rems(DEFAULT_TAB_TITLE.len() as f32))
4079            .when(self.active_context_editor.is_some(), |left_side| {
4080                left_side
4081                    .child(
4082                        IconButton::new("regenerate-context", IconName::ArrowCircle)
4083                            .visible_on_hover("toolbar")
4084                            .tooltip(|cx| Tooltip::text("Regenerate Summary", cx))
4085                            .on_click(cx.listener(move |_, _, cx| {
4086                                cx.emit(ContextEditorToolbarItemEvent::RegenerateSummary)
4087                            })),
4088                    )
4089                    .child(self.model_summary_editor.clone())
4090            });
4091        let active_provider = LanguageModelRegistry::read_global(cx).active_provider();
4092        let active_model = LanguageModelRegistry::read_global(cx).active_model();
4093
4094        let right_side = h_flex()
4095            .gap_2()
4096            .child(ModelSelector::new(
4097                self.fs.clone(),
4098                ButtonLike::new("active-model")
4099                    .style(ButtonStyle::Subtle)
4100                    .child(
4101                        h_flex()
4102                            .w_full()
4103                            .gap_0p5()
4104                            .child(
4105                                div()
4106                                    .overflow_x_hidden()
4107                                    .flex_grow()
4108                                    .whitespace_nowrap()
4109                                    .child(match (active_provider, active_model) {
4110                                        (Some(provider), Some(model)) => h_flex()
4111                                            .gap_1()
4112                                            .child(
4113                                                Icon::new(provider.icon())
4114                                                    .color(Color::Muted)
4115                                                    .size(IconSize::XSmall),
4116                                            )
4117                                            .child(
4118                                                Label::new(model.name().0)
4119                                                    .size(LabelSize::Small)
4120                                                    .color(Color::Muted),
4121                                            )
4122                                            .into_any_element(),
4123                                        _ => Label::new("No model selected")
4124                                            .size(LabelSize::Small)
4125                                            .color(Color::Muted)
4126                                            .into_any_element(),
4127                                    }),
4128                            )
4129                            .child(
4130                                Icon::new(IconName::ChevronDown)
4131                                    .color(Color::Muted)
4132                                    .size(IconSize::XSmall),
4133                            ),
4134                    )
4135                    .tooltip(move |cx| {
4136                        Tooltip::for_action("Change Model", &ToggleModelSelector, cx)
4137                    }),
4138            ))
4139            .children(self.render_remaining_tokens(cx))
4140            .child(self.render_inject_context_menu(cx));
4141
4142        h_flex()
4143            .size_full()
4144            .justify_between()
4145            .child(left_side)
4146            .child(right_side)
4147    }
4148}
4149
4150impl ToolbarItemView for ContextEditorToolbarItem {
4151    fn set_active_pane_item(
4152        &mut self,
4153        active_pane_item: Option<&dyn ItemHandle>,
4154        cx: &mut ViewContext<Self>,
4155    ) -> ToolbarItemLocation {
4156        self.active_context_editor = active_pane_item
4157            .and_then(|item| item.act_as::<ContextEditor>(cx))
4158            .map(|editor| editor.downgrade());
4159        cx.notify();
4160        if self.active_context_editor.is_none() {
4161            ToolbarItemLocation::Hidden
4162        } else {
4163            ToolbarItemLocation::PrimaryRight
4164        }
4165    }
4166
4167    fn pane_focus_update(&mut self, _pane_focused: bool, cx: &mut ViewContext<Self>) {
4168        cx.notify();
4169    }
4170}
4171
4172impl EventEmitter<ToolbarItemEvent> for ContextEditorToolbarItem {}
4173
4174enum ContextEditorToolbarItemEvent {
4175    RegenerateSummary,
4176}
4177impl EventEmitter<ContextEditorToolbarItemEvent> for ContextEditorToolbarItem {}
4178
4179pub struct ContextHistory {
4180    picker: View<Picker<SavedContextPickerDelegate>>,
4181    _subscriptions: Vec<Subscription>,
4182    assistant_panel: WeakView<AssistantPanel>,
4183}
4184
4185impl ContextHistory {
4186    fn new(
4187        project: Model<Project>,
4188        context_store: Model<ContextStore>,
4189        assistant_panel: WeakView<AssistantPanel>,
4190        cx: &mut ViewContext<Self>,
4191    ) -> Self {
4192        let picker = cx.new_view(|cx| {
4193            Picker::uniform_list(
4194                SavedContextPickerDelegate::new(project, context_store.clone()),
4195                cx,
4196            )
4197            .modal(false)
4198            .max_height(None)
4199        });
4200
4201        let _subscriptions = vec![
4202            cx.observe(&context_store, |this, _, cx| {
4203                this.picker.update(cx, |picker, cx| picker.refresh(cx));
4204            }),
4205            cx.subscribe(&picker, Self::handle_picker_event),
4206        ];
4207
4208        Self {
4209            picker,
4210            _subscriptions,
4211            assistant_panel,
4212        }
4213    }
4214
4215    fn handle_picker_event(
4216        &mut self,
4217        _: View<Picker<SavedContextPickerDelegate>>,
4218        event: &SavedContextPickerEvent,
4219        cx: &mut ViewContext<Self>,
4220    ) {
4221        let SavedContextPickerEvent::Confirmed(context) = event;
4222        self.assistant_panel
4223            .update(cx, |assistant_panel, cx| match context {
4224                ContextMetadata::Remote(metadata) => {
4225                    assistant_panel
4226                        .open_remote_context(metadata.id.clone(), cx)
4227                        .detach_and_log_err(cx);
4228                }
4229                ContextMetadata::Saved(metadata) => {
4230                    assistant_panel
4231                        .open_saved_context(metadata.path.clone(), cx)
4232                        .detach_and_log_err(cx);
4233                }
4234            })
4235            .ok();
4236    }
4237}
4238
4239impl Render for ContextHistory {
4240    fn render(&mut self, _: &mut ViewContext<Self>) -> impl IntoElement {
4241        div().size_full().child(self.picker.clone())
4242    }
4243}
4244
4245impl FocusableView for ContextHistory {
4246    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
4247        self.picker.focus_handle(cx)
4248    }
4249}
4250
4251impl EventEmitter<()> for ContextHistory {}
4252
4253impl Item for ContextHistory {
4254    type Event = ();
4255
4256    fn tab_content_text(&self, _cx: &WindowContext) -> Option<SharedString> {
4257        Some("History".into())
4258    }
4259}
4260
4261pub struct ConfigurationView {
4262    focus_handle: FocusHandle,
4263    configuration_views: HashMap<LanguageModelProviderId, AnyView>,
4264    _registry_subscription: Subscription,
4265}
4266
4267impl ConfigurationView {
4268    fn new(cx: &mut ViewContext<Self>) -> Self {
4269        let focus_handle = cx.focus_handle();
4270
4271        let registry_subscription = cx.subscribe(
4272            &LanguageModelRegistry::global(cx),
4273            |this, _, event: &language_model::Event, cx| match event {
4274                language_model::Event::AddedProvider(provider_id) => {
4275                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
4276                    if let Some(provider) = provider {
4277                        this.add_configuration_view(&provider, cx);
4278                    }
4279                }
4280                language_model::Event::RemovedProvider(provider_id) => {
4281                    this.remove_configuration_view(provider_id);
4282                }
4283                _ => {}
4284            },
4285        );
4286
4287        let mut this = Self {
4288            focus_handle,
4289            configuration_views: HashMap::default(),
4290            _registry_subscription: registry_subscription,
4291        };
4292        this.build_configuration_views(cx);
4293        this
4294    }
4295
4296    fn build_configuration_views(&mut self, cx: &mut ViewContext<Self>) {
4297        let providers = LanguageModelRegistry::read_global(cx).providers();
4298        for provider in providers {
4299            self.add_configuration_view(&provider, cx);
4300        }
4301    }
4302
4303    fn remove_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
4304        self.configuration_views.remove(provider_id);
4305    }
4306
4307    fn add_configuration_view(
4308        &mut self,
4309        provider: &Arc<dyn LanguageModelProvider>,
4310        cx: &mut ViewContext<Self>,
4311    ) {
4312        let configuration_view = provider.configuration_view(cx);
4313        self.configuration_views
4314            .insert(provider.id(), configuration_view);
4315    }
4316
4317    fn render_provider_view(
4318        &mut self,
4319        provider: &Arc<dyn LanguageModelProvider>,
4320        cx: &mut ViewContext<Self>,
4321    ) -> Div {
4322        let provider_name = provider.name().0.clone();
4323        let configuration_view = self.configuration_views.get(&provider.id()).cloned();
4324
4325        let open_new_context = cx.listener({
4326            let provider = provider.clone();
4327            move |_, _, cx| {
4328                cx.emit(ConfigurationViewEvent::NewProviderContextEditor(
4329                    provider.clone(),
4330                ))
4331            }
4332        });
4333
4334        v_flex()
4335            .gap_2()
4336            .child(
4337                h_flex()
4338                    .justify_between()
4339                    .child(Headline::new(provider_name.clone()).size(HeadlineSize::Small))
4340                    .when(provider.is_authenticated(cx), move |this| {
4341                        this.child(
4342                            h_flex().justify_end().child(
4343                                Button::new("new-context", "Open new context")
4344                                    .icon_position(IconPosition::Start)
4345                                    .icon(IconName::Plus)
4346                                    .style(ButtonStyle::Filled)
4347                                    .layer(ElevationIndex::ModalSurface)
4348                                    .on_click(open_new_context),
4349                            ),
4350                        )
4351                    }),
4352            )
4353            .child(
4354                div()
4355                    .p(Spacing::Large.rems(cx))
4356                    .bg(cx.theme().colors().surface_background)
4357                    .border_1()
4358                    .border_color(cx.theme().colors().border_variant)
4359                    .rounded_md()
4360                    .when(configuration_view.is_none(), |this| {
4361                        this.child(div().child(Label::new(format!(
4362                            "No configuration view for {}",
4363                            provider_name
4364                        ))))
4365                    })
4366                    .when_some(configuration_view, |this, configuration_view| {
4367                        this.child(configuration_view)
4368                    }),
4369            )
4370    }
4371}
4372
4373impl Render for ConfigurationView {
4374    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
4375        let providers = LanguageModelRegistry::read_global(cx).providers();
4376        let provider_views = providers
4377            .into_iter()
4378            .map(|provider| self.render_provider_view(&provider, cx))
4379            .collect::<Vec<_>>();
4380
4381        let mut element = v_flex()
4382            .id("assistant-configuration-view")
4383            .track_focus(&self.focus_handle)
4384            .bg(cx.theme().colors().editor_background)
4385            .size_full()
4386            .overflow_y_scroll()
4387            .child(
4388                v_flex()
4389                    .p(Spacing::XXLarge.rems(cx))
4390                    .border_b_1()
4391                    .border_color(cx.theme().colors().border)
4392                    .gap_1()
4393                    .child(Headline::new("Configure your Assistant").size(HeadlineSize::Medium))
4394                    .child(
4395                        Label::new(
4396                            "At least one LLM provider must be configured to use the Assistant.",
4397                        )
4398                        .color(Color::Muted),
4399                    ),
4400            )
4401            .child(
4402                v_flex()
4403                    .p(Spacing::XXLarge.rems(cx))
4404                    .mt_1()
4405                    .gap_6()
4406                    .flex_1()
4407                    .children(provider_views),
4408            )
4409            .into_any();
4410
4411        // We use a canvas here to get scrolling to work in the ConfigurationView. It's a workaround
4412        // because we couldn't the element to take up the size of the parent.
4413        canvas(
4414            move |bounds, cx| {
4415                element.prepaint_as_root(bounds.origin, bounds.size.into(), cx);
4416                element
4417            },
4418            |_, mut element, cx| {
4419                element.paint(cx);
4420            },
4421        )
4422        .flex_1()
4423        .w_full()
4424    }
4425}
4426
4427pub enum ConfigurationViewEvent {
4428    NewProviderContextEditor(Arc<dyn LanguageModelProvider>),
4429}
4430
4431impl EventEmitter<ConfigurationViewEvent> for ConfigurationView {}
4432
4433impl FocusableView for ConfigurationView {
4434    fn focus_handle(&self, _: &AppContext) -> FocusHandle {
4435        self.focus_handle.clone()
4436    }
4437}
4438
4439impl Item for ConfigurationView {
4440    type Event = ConfigurationViewEvent;
4441
4442    fn tab_content_text(&self, _cx: &WindowContext) -> Option<SharedString> {
4443        Some("Configuration".into())
4444    }
4445}
4446
4447type ToggleFold = Arc<dyn Fn(bool, &mut WindowContext) + Send + Sync>;
4448
4449fn render_slash_command_output_toggle(
4450    row: MultiBufferRow,
4451    is_folded: bool,
4452    fold: ToggleFold,
4453    _cx: &mut WindowContext,
4454) -> AnyElement {
4455    Disclosure::new(
4456        ("slash-command-output-fold-indicator", row.0 as u64),
4457        !is_folded,
4458    )
4459    .selected(is_folded)
4460    .on_click(move |_e, cx| fold(!is_folded, cx))
4461    .into_any_element()
4462}
4463
4464fn quote_selection_fold_placeholder(title: String, editor: WeakView<Editor>) -> FoldPlaceholder {
4465    FoldPlaceholder {
4466        render: Arc::new({
4467            move |fold_id, fold_range, _cx| {
4468                let editor = editor.clone();
4469                ButtonLike::new(fold_id)
4470                    .style(ButtonStyle::Filled)
4471                    .layer(ElevationIndex::ElevatedSurface)
4472                    .child(Icon::new(IconName::FileText))
4473                    .child(Label::new(title.clone()).single_line())
4474                    .on_click(move |_, cx| {
4475                        editor
4476                            .update(cx, |editor, cx| {
4477                                let buffer_start = fold_range
4478                                    .start
4479                                    .to_point(&editor.buffer().read(cx).read(cx));
4480                                let buffer_row = MultiBufferRow(buffer_start.row);
4481                                editor.unfold_at(&UnfoldAt { buffer_row }, cx);
4482                            })
4483                            .ok();
4484                    })
4485                    .into_any_element()
4486            }
4487        }),
4488        constrain_width: false,
4489        merge_adjacent: false,
4490    }
4491}
4492
4493fn render_quote_selection_output_toggle(
4494    row: MultiBufferRow,
4495    is_folded: bool,
4496    fold: ToggleFold,
4497    _cx: &mut WindowContext,
4498) -> AnyElement {
4499    Disclosure::new(("quote-selection-indicator", row.0 as u64), !is_folded)
4500        .selected(is_folded)
4501        .on_click(move |_e, cx| fold(!is_folded, cx))
4502        .into_any_element()
4503}
4504
4505fn render_pending_slash_command_gutter_decoration(
4506    row: MultiBufferRow,
4507    status: &PendingSlashCommandStatus,
4508    confirm_command: Arc<dyn Fn(&mut WindowContext)>,
4509) -> AnyElement {
4510    let mut icon = IconButton::new(
4511        ("slash-command-gutter-decoration", row.0),
4512        ui::IconName::TriangleRight,
4513    )
4514    .on_click(move |_e, cx| confirm_command(cx))
4515    .icon_size(ui::IconSize::Small)
4516    .size(ui::ButtonSize::None);
4517
4518    match status {
4519        PendingSlashCommandStatus::Idle => {
4520            icon = icon.icon_color(Color::Muted);
4521        }
4522        PendingSlashCommandStatus::Running { .. } => {
4523            icon = icon.selected(true);
4524        }
4525        PendingSlashCommandStatus::Error(_) => icon = icon.icon_color(Color::Error),
4526    }
4527
4528    icon.into_any_element()
4529}
4530
4531fn render_docs_slash_command_trailer(
4532    row: MultiBufferRow,
4533    command: PendingSlashCommand,
4534    cx: &mut WindowContext,
4535) -> AnyElement {
4536    let Some(argument) = command.argument else {
4537        return Empty.into_any();
4538    };
4539
4540    let args = DocsSlashCommandArgs::parse(&argument);
4541
4542    let Some(store) = args
4543        .provider()
4544        .and_then(|provider| IndexedDocsStore::try_global(provider, cx).ok())
4545    else {
4546        return Empty.into_any();
4547    };
4548
4549    let Some(package) = args.package() else {
4550        return Empty.into_any();
4551    };
4552
4553    let mut children = Vec::new();
4554
4555    if store.is_indexing(&package) {
4556        children.push(
4557            div()
4558                .id(("crates-being-indexed", row.0))
4559                .child(Icon::new(IconName::ArrowCircle).with_animation(
4560                    "arrow-circle",
4561                    Animation::new(Duration::from_secs(4)).repeat(),
4562                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
4563                ))
4564                .tooltip({
4565                    let package = package.clone();
4566                    move |cx| Tooltip::text(format!("Indexing {package}"), cx)
4567                })
4568                .into_any_element(),
4569        );
4570    }
4571
4572    if let Some(latest_error) = store.latest_error_for_package(&package) {
4573        children.push(
4574            div()
4575                .id(("latest-error", row.0))
4576                .child(
4577                    Icon::new(IconName::ExclamationTriangle)
4578                        .size(IconSize::Small)
4579                        .color(Color::Warning),
4580                )
4581                .tooltip(move |cx| Tooltip::text(format!("Failed to index: {latest_error}"), cx))
4582                .into_any_element(),
4583        )
4584    }
4585
4586    let is_indexing = store.is_indexing(&package);
4587    let latest_error = store.latest_error_for_package(&package);
4588
4589    if !is_indexing && latest_error.is_none() {
4590        return Empty.into_any();
4591    }
4592
4593    h_flex().gap_2().children(children).into_any_element()
4594}
4595
4596fn make_lsp_adapter_delegate(
4597    project: &Model<Project>,
4598    cx: &mut AppContext,
4599) -> Result<Arc<dyn LspAdapterDelegate>> {
4600    project.update(cx, |project, cx| {
4601        // TODO: Find the right worktree.
4602        let worktree = project
4603            .worktrees(cx)
4604            .next()
4605            .ok_or_else(|| anyhow!("no worktrees when constructing ProjectLspAdapterDelegate"))?;
4606        Ok(ProjectLspAdapterDelegate::new(project, &worktree, cx) as Arc<dyn LspAdapterDelegate>)
4607    })
4608}
4609
4610fn slash_command_error_block_renderer(message: String) -> RenderBlock {
4611    Box::new(move |_| {
4612        div()
4613            .pl_6()
4614            .child(
4615                Label::new(format!("error: {}", message))
4616                    .single_line()
4617                    .color(Color::Error),
4618            )
4619            .into_any()
4620    })
4621}
4622
4623enum TokenState {
4624    NoTokensLeft {
4625        max_token_count: usize,
4626        token_count: usize,
4627    },
4628    HasMoreTokens {
4629        max_token_count: usize,
4630        token_count: usize,
4631        over_warn_threshold: bool,
4632    },
4633}
4634
4635fn token_state(context: &Model<Context>, cx: &AppContext) -> Option<TokenState> {
4636    const WARNING_TOKEN_THRESHOLD: f32 = 0.8;
4637
4638    let model = LanguageModelRegistry::read_global(cx).active_model()?;
4639    let token_count = context.read(cx).token_count()?;
4640    let max_token_count = model.max_token_count();
4641
4642    let remaining_tokens = max_token_count as isize - token_count as isize;
4643    let token_state = if remaining_tokens <= 0 {
4644        TokenState::NoTokensLeft {
4645            max_token_count,
4646            token_count,
4647        }
4648    } else {
4649        let over_warn_threshold =
4650            token_count as f32 / max_token_count as f32 >= WARNING_TOKEN_THRESHOLD;
4651        TokenState::HasMoreTokens {
4652            max_token_count,
4653            token_count,
4654            over_warn_threshold,
4655        }
4656    };
4657    Some(token_state)
4658}
4659
4660fn size_for_image(data: &RenderImage, max_size: Size<Pixels>) -> Size<Pixels> {
4661    let image_size = data
4662        .size(0)
4663        .map(|dimension| Pixels::from(u32::from(dimension)));
4664    let image_ratio = image_size.width / image_size.height;
4665    let bounds_ratio = max_size.width / max_size.height;
4666
4667    if image_size.width > max_size.width || image_size.height > max_size.height {
4668        if bounds_ratio > image_ratio {
4669            size(
4670                image_size.width * (max_size.height / image_size.height),
4671                max_size.height,
4672            )
4673        } else {
4674            size(
4675                max_size.width,
4676                image_size.height * (max_size.width / image_size.width),
4677            )
4678        }
4679    } else {
4680        size(image_size.width, image_size.height)
4681    }
4682}
4683
4684enum ConfigurationError {
4685    NoProvider,
4686    ProviderNotAuthenticated,
4687}
4688
4689fn configuration_error(cx: &AppContext) -> Option<ConfigurationError> {
4690    let provider = LanguageModelRegistry::read_global(cx).active_provider();
4691    let is_authenticated = provider
4692        .as_ref()
4693        .map_or(false, |provider| provider.is_authenticated(cx));
4694
4695    if provider.is_some() && is_authenticated {
4696        return None;
4697    }
4698
4699    if provider.is_none() {
4700        return Some(ConfigurationError::NoProvider);
4701    }
4702
4703    if !is_authenticated {
4704        return Some(ConfigurationError::ProviderNotAuthenticated);
4705    }
4706
4707    None
4708}