text_thread_editor.rs

   1use crate::{
   2    language_model_selector::{LanguageModelSelector, language_model_selector},
   3    ui::ModelSelectorTooltip,
   4};
   5use anyhow::Result;
   6use assistant_slash_command::{SlashCommand, SlashCommandOutputSection, SlashCommandWorkingSet};
   7use assistant_slash_commands::{DefaultSlashCommand, FileSlashCommand, selections_creases};
   8use client::{proto, zed_urls};
   9use collections::{BTreeSet, HashMap, HashSet, hash_map};
  10use editor::{
  11    Anchor, Editor, EditorEvent, MenuEditPredictionsPolicy, MultiBuffer, MultiBufferOffset,
  12    MultiBufferSnapshot, RowExt, ToOffset as _, ToPoint as _,
  13    actions::{MoveToEndOfLine, Newline, ShowCompletions},
  14    display_map::{
  15        BlockPlacement, BlockProperties, BlockStyle, Crease, CreaseMetadata, CustomBlockId, FoldId,
  16        RenderBlock, ToDisplayPoint,
  17    },
  18    scroll::ScrollOffset,
  19};
  20use editor::{FoldPlaceholder, display_map::CreaseId};
  21use fs::Fs;
  22use futures::FutureExt;
  23use gpui::{
  24    Action, Animation, AnimationExt, AnyElement, App, ClipboardEntry, ClipboardItem, Empty, Entity,
  25    EventEmitter, FocusHandle, Focusable, FontWeight, Global, InteractiveElement, IntoElement,
  26    ParentElement, Pixels, Render, RenderImage, SharedString, Size, StatefulInteractiveElement,
  27    Styled, Subscription, Task, WeakEntity, actions, div, img, point, prelude::*,
  28    pulsating_between, size,
  29};
  30use language::{
  31    BufferSnapshot, LspAdapterDelegate, ToOffset,
  32    language_settings::{SoftWrap, all_language_settings},
  33};
  34use language_model::{
  35    ConfigurationError, IconOrSvg, LanguageModelImage, LanguageModelRegistry, Role,
  36};
  37use multi_buffer::MultiBufferRow;
  38use picker::{Picker, popover_menu::PickerPopoverMenu};
  39use project::{Project, Worktree};
  40use project::{ProjectPath, lsp_store::LocalLspAdapterDelegate};
  41use rope::Point;
  42use serde::{Deserialize, Serialize};
  43use settings::{
  44    LanguageModelProviderSetting, LanguageModelSelection, Settings, SettingsStore,
  45    update_settings_file,
  46};
  47use std::{
  48    any::{Any, TypeId},
  49    cmp,
  50    ops::Range,
  51    path::{Path, PathBuf},
  52    rc::Rc,
  53    sync::Arc,
  54    time::Duration,
  55};
  56use text::SelectionGoal;
  57use ui::{
  58    ButtonLike, CommonAnimationExt, Disclosure, ElevationIndex, KeyBinding, PopoverMenuHandle,
  59    TintColor, Tooltip, prelude::*,
  60};
  61use util::{ResultExt, maybe};
  62use workspace::{
  63    CollaboratorId, NotificationSource,
  64    searchable::{Direction, SearchToken, SearchableItemHandle},
  65};
  66
  67use workspace::{
  68    Save, Toast, Workspace,
  69    item::{self, FollowableItem, Item},
  70    notifications::NotificationId,
  71    pane,
  72    searchable::{SearchEvent, SearchableItem},
  73};
  74use zed_actions::agent::{AddSelectionToThread, PasteRaw, ToggleModelSelector};
  75
  76use crate::CycleFavoriteModels;
  77
  78use crate::{slash_command::SlashCommandCompletionProvider, slash_command_picker};
  79use assistant_text_thread::{
  80    CacheStatus, Content, InvokedSlashCommandId, InvokedSlashCommandStatus, Message, MessageId,
  81    MessageMetadata, MessageStatus, PendingSlashCommandStatus, TextThread, TextThreadEvent,
  82    TextThreadId, ThoughtProcessOutputSection,
  83};
  84
  85actions!(
  86    assistant,
  87    [
  88        /// Sends the current message to the assistant.
  89        Assist,
  90        /// Confirms and executes the entered slash command.
  91        ConfirmCommand,
  92        /// Copies code from the assistant's response to the clipboard.
  93        CopyCode,
  94        /// Cycles between user and assistant message roles.
  95        CycleMessageRole,
  96        /// Inserts the selected text into the active editor.
  97        InsertIntoEditor,
  98        /// Splits the conversation at the current cursor position.
  99        Split,
 100    ]
 101);
 102
 103/// Inserts files that were dragged and dropped into the assistant conversation.
 104#[derive(PartialEq, Clone, Action)]
 105#[action(namespace = assistant, no_json, no_register)]
 106pub enum InsertDraggedFiles {
 107    ProjectPaths(Vec<ProjectPath>),
 108    ExternalFiles(Vec<PathBuf>),
 109}
 110
 111#[derive(Copy, Clone, Debug, PartialEq)]
 112struct ScrollPosition {
 113    offset_before_cursor: gpui::Point<ScrollOffset>,
 114    cursor: Anchor,
 115}
 116
 117type MessageHeader = MessageMetadata;
 118
 119#[derive(Clone)]
 120enum AssistError {
 121    PaymentRequired,
 122    Message(SharedString),
 123}
 124
 125pub enum ThoughtProcessStatus {
 126    Pending,
 127    Completed,
 128}
 129
 130pub trait AgentPanelDelegate {
 131    fn active_text_thread_editor(
 132        &self,
 133        workspace: &mut Workspace,
 134        window: &mut Window,
 135        cx: &mut Context<Workspace>,
 136    ) -> Option<Entity<TextThreadEditor>>;
 137
 138    fn open_local_text_thread(
 139        &self,
 140        workspace: &mut Workspace,
 141        path: Arc<Path>,
 142        window: &mut Window,
 143        cx: &mut Context<Workspace>,
 144    ) -> Task<Result<()>>;
 145
 146    fn open_remote_text_thread(
 147        &self,
 148        workspace: &mut Workspace,
 149        text_thread_id: TextThreadId,
 150        window: &mut Window,
 151        cx: &mut Context<Workspace>,
 152    ) -> Task<Result<Entity<TextThreadEditor>>>;
 153
 154    fn quote_selection(
 155        &self,
 156        workspace: &mut Workspace,
 157        selection_ranges: Vec<Range<Anchor>>,
 158        buffer: Entity<MultiBuffer>,
 159        window: &mut Window,
 160        cx: &mut Context<Workspace>,
 161    );
 162
 163    fn quote_terminal_text(
 164        &self,
 165        workspace: &mut Workspace,
 166        text: String,
 167        window: &mut Window,
 168        cx: &mut Context<Workspace>,
 169    );
 170}
 171
 172impl dyn AgentPanelDelegate {
 173    /// Returns the global [`AssistantPanelDelegate`], if it exists.
 174    pub fn try_global(cx: &App) -> Option<Arc<Self>> {
 175        cx.try_global::<GlobalAssistantPanelDelegate>()
 176            .map(|global| global.0.clone())
 177    }
 178
 179    /// Sets the global [`AssistantPanelDelegate`].
 180    pub fn set_global(delegate: Arc<Self>, cx: &mut App) {
 181        cx.set_global(GlobalAssistantPanelDelegate(delegate));
 182    }
 183}
 184
 185struct GlobalAssistantPanelDelegate(Arc<dyn AgentPanelDelegate>);
 186
 187impl Global for GlobalAssistantPanelDelegate {}
 188
 189pub struct TextThreadEditor {
 190    text_thread: Entity<TextThread>,
 191    fs: Arc<dyn Fs>,
 192    slash_commands: Arc<SlashCommandWorkingSet>,
 193    workspace: WeakEntity<Workspace>,
 194    project: Entity<Project>,
 195    lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
 196    editor: Entity<Editor>,
 197    pending_thought_process: Option<(CreaseId, language::Anchor)>,
 198    blocks: HashMap<MessageId, (MessageHeader, CustomBlockId)>,
 199    image_blocks: HashSet<CustomBlockId>,
 200    scroll_position: Option<ScrollPosition>,
 201    remote_id: Option<workspace::ViewId>,
 202    pending_slash_command_creases: HashMap<Range<language::Anchor>, CreaseId>,
 203    invoked_slash_command_creases: HashMap<InvokedSlashCommandId, CreaseId>,
 204    _subscriptions: Vec<Subscription>,
 205    last_error: Option<AssistError>,
 206    pub(crate) slash_menu_handle:
 207        PopoverMenuHandle<Picker<slash_command_picker::SlashCommandDelegate>>,
 208    // dragged_file_worktrees is used to keep references to worktrees that were added
 209    // when the user drag/dropped an external file onto the context editor. Since
 210    // the worktree is not part of the project panel, it would be dropped as soon as
 211    // the file is opened. In order to keep the worktree alive for the duration of the
 212    // context editor, we keep a reference here.
 213    dragged_file_worktrees: Vec<Entity<Worktree>>,
 214    language_model_selector: Entity<LanguageModelSelector>,
 215    language_model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
 216}
 217
 218const MAX_TAB_TITLE_LEN: usize = 16;
 219
 220impl TextThreadEditor {
 221    pub fn init(cx: &mut App) {
 222        workspace::FollowableViewRegistry::register::<TextThreadEditor>(cx);
 223
 224        cx.observe_new(
 225            |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
 226                workspace
 227                    .register_action(TextThreadEditor::quote_selection)
 228                    .register_action(TextThreadEditor::insert_selection)
 229                    .register_action(TextThreadEditor::copy_code)
 230                    .register_action(TextThreadEditor::handle_insert_dragged_files);
 231            },
 232        )
 233        .detach();
 234    }
 235
 236    pub fn for_text_thread(
 237        text_thread: Entity<TextThread>,
 238        fs: Arc<dyn Fs>,
 239        workspace: WeakEntity<Workspace>,
 240        project: Entity<Project>,
 241        lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
 242        window: &mut Window,
 243        cx: &mut Context<Self>,
 244    ) -> Self {
 245        let completion_provider = SlashCommandCompletionProvider::new(
 246            text_thread.read(cx).slash_commands().clone(),
 247            Some(cx.entity().downgrade()),
 248            Some(workspace.clone()),
 249        );
 250
 251        let editor = cx.new(|cx| {
 252            let mut editor =
 253                Editor::for_buffer(text_thread.read(cx).buffer().clone(), None, window, cx);
 254            editor.disable_scrollbars_and_minimap(window, cx);
 255            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
 256            editor.set_show_line_numbers(false, cx);
 257            editor.set_show_git_diff_gutter(false, cx);
 258            editor.set_show_code_actions(false, cx);
 259            editor.set_show_runnables(false, cx);
 260            editor.set_show_breakpoints(false, cx);
 261            editor.set_show_wrap_guides(false, cx);
 262            editor.set_show_indent_guides(false, cx);
 263            editor.set_completion_provider(Some(Rc::new(completion_provider)));
 264            editor.set_menu_edit_predictions_policy(MenuEditPredictionsPolicy::Never);
 265            editor.set_collaboration_hub(Box::new(project.clone()));
 266
 267            let show_edit_predictions = all_language_settings(None, cx)
 268                .edit_predictions
 269                .enabled_in_text_threads;
 270
 271            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
 272
 273            editor
 274        });
 275
 276        let _subscriptions = vec![
 277            cx.observe(&text_thread, |_, _, cx| cx.notify()),
 278            cx.subscribe_in(&text_thread, window, Self::handle_text_thread_event),
 279            cx.subscribe_in(&editor, window, Self::handle_editor_event),
 280            cx.subscribe_in(&editor, window, Self::handle_editor_search_event),
 281            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 282        ];
 283
 284        let slash_command_sections = text_thread
 285            .read(cx)
 286            .slash_command_output_sections()
 287            .to_vec();
 288        let thought_process_sections = text_thread
 289            .read(cx)
 290            .thought_process_output_sections()
 291            .to_vec();
 292        let slash_commands = text_thread.read(cx).slash_commands().clone();
 293        let focus_handle = editor.read(cx).focus_handle(cx);
 294
 295        let mut this = Self {
 296            text_thread,
 297            slash_commands,
 298            editor,
 299            lsp_adapter_delegate,
 300            blocks: Default::default(),
 301            image_blocks: Default::default(),
 302            scroll_position: None,
 303            remote_id: None,
 304            pending_thought_process: None,
 305            fs: fs.clone(),
 306            workspace,
 307            project,
 308            pending_slash_command_creases: HashMap::default(),
 309            invoked_slash_command_creases: HashMap::default(),
 310            _subscriptions,
 311            last_error: None,
 312            slash_menu_handle: Default::default(),
 313            dragged_file_worktrees: Vec::new(),
 314            language_model_selector: cx.new(|cx| {
 315                language_model_selector(
 316                    |cx| LanguageModelRegistry::read_global(cx).default_model(),
 317                    {
 318                        let fs = fs.clone();
 319                        move |model, cx| {
 320                            update_settings_file(fs.clone(), cx, move |settings, _| {
 321                                let provider = model.provider_id().0.to_string();
 322                                let model_id = model.id().0.to_string();
 323                                settings.agent.get_or_insert_default().set_model(
 324                                    LanguageModelSelection {
 325                                        provider: LanguageModelProviderSetting(provider),
 326                                        model: model_id,
 327                                        enable_thinking: model.supports_thinking(),
 328                                        effort: model
 329                                            .default_effort_level()
 330                                            .map(|effort| effort.value.to_string()),
 331                                    },
 332                                )
 333                            });
 334                        }
 335                    },
 336                    {
 337                        let fs = fs.clone();
 338                        move |model, should_be_favorite, cx| {
 339                            crate::favorite_models::toggle_in_settings(
 340                                model,
 341                                should_be_favorite,
 342                                fs.clone(),
 343                                cx,
 344                            );
 345                        }
 346                    },
 347                    true, // Use popover styles for picker
 348                    focus_handle,
 349                    window,
 350                    cx,
 351                )
 352            }),
 353            language_model_selector_menu_handle: PopoverMenuHandle::default(),
 354        };
 355        this.update_message_headers(cx);
 356        this.update_image_blocks(cx);
 357        this.insert_slash_command_output_sections(slash_command_sections, false, window, cx);
 358        this.insert_thought_process_output_sections(
 359            thought_process_sections
 360                .into_iter()
 361                .map(|section| (section, ThoughtProcessStatus::Completed)),
 362            window,
 363            cx,
 364        );
 365        this
 366    }
 367
 368    fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 369        self.editor.update(cx, |editor, cx| {
 370            let show_edit_predictions = all_language_settings(None, cx)
 371                .edit_predictions
 372                .enabled_in_text_threads;
 373
 374            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
 375        });
 376    }
 377
 378    pub fn text_thread(&self) -> &Entity<TextThread> {
 379        &self.text_thread
 380    }
 381
 382    pub fn editor(&self) -> &Entity<Editor> {
 383        &self.editor
 384    }
 385
 386    pub fn insert_default_prompt(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 387        let command_name = DefaultSlashCommand.name();
 388        self.editor.update(cx, |editor, cx| {
 389            editor.insert(&format!("/{command_name}\n\n"), window, cx)
 390        });
 391        let command = self.text_thread.update(cx, |text_thread, cx| {
 392            text_thread.reparse(cx);
 393            text_thread.parsed_slash_commands()[0].clone()
 394        });
 395        self.run_command(
 396            command.source_range,
 397            &command.name,
 398            &command.arguments,
 399            false,
 400            self.workspace.clone(),
 401            window,
 402            cx,
 403        );
 404    }
 405
 406    fn assist(&mut self, _: &Assist, window: &mut Window, cx: &mut Context<Self>) {
 407        if self.sending_disabled(cx) {
 408            return;
 409        }
 410        telemetry::event!("Agent Message Sent", agent = "zed-text");
 411        self.send_to_model(window, cx);
 412    }
 413
 414    fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 415        self.last_error = None;
 416        if let Some(user_message) = self
 417            .text_thread
 418            .update(cx, |text_thread, cx| text_thread.assist(cx))
 419        {
 420            let new_selection = {
 421                let cursor = user_message
 422                    .start
 423                    .to_offset(self.text_thread.read(cx).buffer().read(cx));
 424                MultiBufferOffset(cursor)..MultiBufferOffset(cursor)
 425            };
 426            self.editor.update(cx, |editor, cx| {
 427                editor.change_selections(Default::default(), window, cx, |selections| {
 428                    selections.select_ranges([new_selection])
 429                });
 430            });
 431            // Avoid scrolling to the new cursor position so the assistant's output is stable.
 432            cx.defer_in(window, |this, _, _| this.scroll_position = None);
 433        }
 434
 435        cx.notify();
 436    }
 437
 438    fn cancel(
 439        &mut self,
 440        _: &editor::actions::Cancel,
 441        _window: &mut Window,
 442        cx: &mut Context<Self>,
 443    ) {
 444        self.last_error = None;
 445
 446        if self
 447            .text_thread
 448            .update(cx, |text_thread, cx| text_thread.cancel_last_assist(cx))
 449        {
 450            return;
 451        }
 452
 453        cx.propagate();
 454    }
 455
 456    fn cycle_message_role(
 457        &mut self,
 458        _: &CycleMessageRole,
 459        _window: &mut Window,
 460        cx: &mut Context<Self>,
 461    ) {
 462        let cursors = self.cursors(cx);
 463        self.text_thread.update(cx, |text_thread, cx| {
 464            let messages = text_thread
 465                .messages_for_offsets(cursors.into_iter().map(|cursor| cursor.0), cx)
 466                .into_iter()
 467                .map(|message| message.id)
 468                .collect();
 469            text_thread.cycle_message_roles(messages, cx)
 470        });
 471    }
 472
 473    fn cursors(&self, cx: &mut App) -> Vec<MultiBufferOffset> {
 474        let selections = self.editor.update(cx, |editor, cx| {
 475            editor
 476                .selections
 477                .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
 478        });
 479        selections
 480            .into_iter()
 481            .map(|selection| selection.head())
 482            .collect()
 483    }
 484
 485    pub fn insert_command(&mut self, name: &str, window: &mut Window, cx: &mut Context<Self>) {
 486        if let Some(command) = self.slash_commands.command(name, cx) {
 487            self.editor.update(cx, |editor, cx| {
 488                editor.transact(window, cx, |editor, window, cx| {
 489                    editor.change_selections(Default::default(), window, cx, |s| s.try_cancel());
 490                    let snapshot = editor.buffer().read(cx).snapshot(cx);
 491                    let newest_cursor = editor
 492                        .selections
 493                        .newest::<Point>(&editor.display_snapshot(cx))
 494                        .head();
 495                    if newest_cursor.column > 0
 496                        || snapshot
 497                            .chars_at(newest_cursor)
 498                            .next()
 499                            .is_some_and(|ch| ch != '\n')
 500                    {
 501                        editor.move_to_end_of_line(
 502                            &MoveToEndOfLine {
 503                                stop_at_soft_wraps: false,
 504                            },
 505                            window,
 506                            cx,
 507                        );
 508                        editor.newline(&Newline, window, cx);
 509                    }
 510
 511                    editor.insert(&format!("/{name}"), window, cx);
 512                    if command.accepts_arguments() {
 513                        editor.insert(" ", window, cx);
 514                        editor.show_completions(&ShowCompletions, window, cx);
 515                    }
 516                });
 517            });
 518            if !command.requires_argument() {
 519                self.confirm_command(&ConfirmCommand, window, cx);
 520            }
 521        }
 522    }
 523
 524    pub fn confirm_command(
 525        &mut self,
 526        _: &ConfirmCommand,
 527        window: &mut Window,
 528        cx: &mut Context<Self>,
 529    ) {
 530        if self.editor.read(cx).has_visible_completions_menu() {
 531            return;
 532        }
 533
 534        let selections = self.editor.read(cx).selections.disjoint_anchors_arc();
 535        let mut commands_by_range = HashMap::default();
 536        let workspace = self.workspace.clone();
 537        self.text_thread.update(cx, |text_thread, cx| {
 538            text_thread.reparse(cx);
 539            for selection in selections.iter() {
 540                if let Some(command) =
 541                    text_thread.pending_command_for_position(selection.head().text_anchor, cx)
 542                {
 543                    commands_by_range
 544                        .entry(command.source_range.clone())
 545                        .or_insert_with(|| command.clone());
 546                }
 547            }
 548        });
 549
 550        if commands_by_range.is_empty() {
 551            cx.propagate();
 552        } else {
 553            for command in commands_by_range.into_values() {
 554                self.run_command(
 555                    command.source_range,
 556                    &command.name,
 557                    &command.arguments,
 558                    true,
 559                    workspace.clone(),
 560                    window,
 561                    cx,
 562                );
 563            }
 564            cx.stop_propagation();
 565        }
 566    }
 567
 568    pub fn run_command(
 569        &mut self,
 570        command_range: Range<language::Anchor>,
 571        name: &str,
 572        arguments: &[String],
 573        ensure_trailing_newline: bool,
 574        workspace: WeakEntity<Workspace>,
 575        window: &mut Window,
 576        cx: &mut Context<Self>,
 577    ) {
 578        if let Some(command) = self.slash_commands.command(name, cx) {
 579            let text_thread = self.text_thread.read(cx);
 580            let sections = text_thread
 581                .slash_command_output_sections()
 582                .iter()
 583                .filter(|section| section.is_valid(text_thread.buffer().read(cx)))
 584                .cloned()
 585                .collect::<Vec<_>>();
 586            let snapshot = text_thread.buffer().read(cx).snapshot();
 587            let output = command.run(
 588                arguments,
 589                &sections,
 590                snapshot,
 591                workspace,
 592                self.lsp_adapter_delegate.clone(),
 593                window,
 594                cx,
 595            );
 596            self.text_thread.update(cx, |text_thread, cx| {
 597                text_thread.insert_command_output(
 598                    command_range,
 599                    name,
 600                    output,
 601                    ensure_trailing_newline,
 602                    cx,
 603                )
 604            });
 605        }
 606    }
 607
 608    fn handle_text_thread_event(
 609        &mut self,
 610        _: &Entity<TextThread>,
 611        event: &TextThreadEvent,
 612        window: &mut Window,
 613        cx: &mut Context<Self>,
 614    ) {
 615        let text_thread_editor = cx.entity().downgrade();
 616
 617        match event {
 618            TextThreadEvent::MessagesEdited => {
 619                self.update_message_headers(cx);
 620                self.update_image_blocks(cx);
 621                self.text_thread.update(cx, |text_thread, cx| {
 622                    text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
 623                });
 624            }
 625            TextThreadEvent::SummaryChanged => {
 626                cx.emit(EditorEvent::TitleChanged);
 627                self.text_thread.update(cx, |text_thread, cx| {
 628                    text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
 629                });
 630            }
 631            TextThreadEvent::SummaryGenerated => {}
 632            TextThreadEvent::PathChanged { .. } => {}
 633            TextThreadEvent::StartedThoughtProcess(range) => {
 634                let creases = self.insert_thought_process_output_sections(
 635                    [(
 636                        ThoughtProcessOutputSection {
 637                            range: range.clone(),
 638                        },
 639                        ThoughtProcessStatus::Pending,
 640                    )],
 641                    window,
 642                    cx,
 643                );
 644                self.pending_thought_process = Some((creases[0], range.start));
 645            }
 646            TextThreadEvent::EndedThoughtProcess(end) => {
 647                if let Some((crease_id, start)) = self.pending_thought_process.take() {
 648                    self.editor.update(cx, |editor, cx| {
 649                        let multi_buffer_snapshot = editor.buffer().read(cx).snapshot(cx);
 650                        let start_anchor =
 651                            multi_buffer_snapshot.as_singleton_anchor(start).unwrap();
 652
 653                        editor.display_map.update(cx, |display_map, cx| {
 654                            display_map.unfold_intersecting(
 655                                vec![start_anchor..start_anchor],
 656                                true,
 657                                cx,
 658                            );
 659                        });
 660                        editor.remove_creases(vec![crease_id], cx);
 661                    });
 662                    self.insert_thought_process_output_sections(
 663                        [(
 664                            ThoughtProcessOutputSection { range: start..*end },
 665                            ThoughtProcessStatus::Completed,
 666                        )],
 667                        window,
 668                        cx,
 669                    );
 670                }
 671            }
 672            TextThreadEvent::StreamedCompletion => {
 673                self.editor.update(cx, |editor, cx| {
 674                    if let Some(scroll_position) = self.scroll_position {
 675                        let snapshot = editor.snapshot(window, cx);
 676                        let cursor_point = scroll_position.cursor.to_display_point(&snapshot);
 677                        let scroll_top =
 678                            cursor_point.row().as_f64() - scroll_position.offset_before_cursor.y;
 679                        editor.set_scroll_position(
 680                            point(scroll_position.offset_before_cursor.x, scroll_top),
 681                            window,
 682                            cx,
 683                        );
 684                    }
 685                });
 686            }
 687            TextThreadEvent::ParsedSlashCommandsUpdated { removed, updated } => {
 688                self.editor.update(cx, |editor, cx| {
 689                    let buffer = editor.buffer().read(cx).snapshot(cx);
 690                    let (&excerpt_id, _, _) = buffer.as_singleton().unwrap();
 691
 692                    editor.remove_creases(
 693                        removed
 694                            .iter()
 695                            .filter_map(|range| self.pending_slash_command_creases.remove(range)),
 696                        cx,
 697                    );
 698
 699                    let crease_ids = editor.insert_creases(
 700                        updated.iter().map(|command| {
 701                            let workspace = self.workspace.clone();
 702                            let confirm_command = Arc::new({
 703                                let text_thread_editor = text_thread_editor.clone();
 704                                let command = command.clone();
 705                                move |window: &mut Window, cx: &mut App| {
 706                                    text_thread_editor
 707                                        .update(cx, |text_thread_editor, cx| {
 708                                            text_thread_editor.run_command(
 709                                                command.source_range.clone(),
 710                                                &command.name,
 711                                                &command.arguments,
 712                                                false,
 713                                                workspace.clone(),
 714                                                window,
 715                                                cx,
 716                                            );
 717                                        })
 718                                        .ok();
 719                                }
 720                            });
 721                            let placeholder = FoldPlaceholder {
 722                                render: Arc::new(move |_, _, _| Empty.into_any()),
 723                                ..Default::default()
 724                            };
 725                            let render_toggle = {
 726                                let confirm_command = confirm_command.clone();
 727                                let command = command.clone();
 728                                move |row, _, _, _window: &mut Window, _cx: &mut App| {
 729                                    render_pending_slash_command_gutter_decoration(
 730                                        row,
 731                                        &command.status,
 732                                        confirm_command.clone(),
 733                                    )
 734                                }
 735                            };
 736                            let render_trailer = {
 737                                move |_row, _unfold, _window: &mut Window, _cx: &mut App| {
 738                                    Empty.into_any()
 739                                }
 740                            };
 741
 742                            let range = buffer
 743                                .anchor_range_in_excerpt(excerpt_id, command.source_range.clone())
 744                                .unwrap();
 745                            Crease::inline(range, placeholder, render_toggle, render_trailer)
 746                        }),
 747                        cx,
 748                    );
 749
 750                    self.pending_slash_command_creases.extend(
 751                        updated
 752                            .iter()
 753                            .map(|command| command.source_range.clone())
 754                            .zip(crease_ids),
 755                    );
 756                })
 757            }
 758            TextThreadEvent::InvokedSlashCommandChanged { command_id } => {
 759                self.update_invoked_slash_command(*command_id, window, cx);
 760            }
 761            TextThreadEvent::SlashCommandOutputSectionAdded { section } => {
 762                self.insert_slash_command_output_sections([section.clone()], false, window, cx);
 763            }
 764            TextThreadEvent::Operation(_) => {}
 765            TextThreadEvent::ShowAssistError(error_message) => {
 766                self.last_error = Some(AssistError::Message(error_message.clone()));
 767            }
 768            TextThreadEvent::ShowPaymentRequiredError => {
 769                self.last_error = Some(AssistError::PaymentRequired);
 770            }
 771        }
 772    }
 773
 774    fn update_invoked_slash_command(
 775        &mut self,
 776        command_id: InvokedSlashCommandId,
 777        window: &mut Window,
 778        cx: &mut Context<Self>,
 779    ) {
 780        if let Some(invoked_slash_command) =
 781            self.text_thread.read(cx).invoked_slash_command(&command_id)
 782            && let InvokedSlashCommandStatus::Finished = invoked_slash_command.status
 783        {
 784            let run_commands_in_ranges = invoked_slash_command.run_commands_in_ranges.clone();
 785            for range in run_commands_in_ranges {
 786                let commands = self.text_thread.update(cx, |text_thread, cx| {
 787                    text_thread.reparse(cx);
 788                    text_thread
 789                        .pending_commands_for_range(range.clone(), cx)
 790                        .to_vec()
 791                });
 792
 793                for command in commands {
 794                    self.run_command(
 795                        command.source_range,
 796                        &command.name,
 797                        &command.arguments,
 798                        false,
 799                        self.workspace.clone(),
 800                        window,
 801                        cx,
 802                    );
 803                }
 804            }
 805        }
 806
 807        self.editor.update(cx, |editor, cx| {
 808            if let Some(invoked_slash_command) =
 809                self.text_thread.read(cx).invoked_slash_command(&command_id)
 810            {
 811                if let InvokedSlashCommandStatus::Finished = invoked_slash_command.status {
 812                    let buffer = editor.buffer().read(cx).snapshot(cx);
 813                    let (&excerpt_id, _buffer_id, _buffer_snapshot) =
 814                        buffer.as_singleton().unwrap();
 815
 816                    let range = buffer
 817                        .anchor_range_in_excerpt(excerpt_id, invoked_slash_command.range.clone())
 818                        .unwrap();
 819                    editor.remove_folds_with_type(
 820                        &[range],
 821                        TypeId::of::<PendingSlashCommand>(),
 822                        false,
 823                        cx,
 824                    );
 825
 826                    editor.remove_creases(
 827                        HashSet::from_iter(self.invoked_slash_command_creases.remove(&command_id)),
 828                        cx,
 829                    );
 830                } else if let hash_map::Entry::Vacant(entry) =
 831                    self.invoked_slash_command_creases.entry(command_id)
 832                {
 833                    let buffer = editor.buffer().read(cx).snapshot(cx);
 834                    let (&excerpt_id, _buffer_id, _buffer_snapshot) =
 835                        buffer.as_singleton().unwrap();
 836                    let context = self.text_thread.downgrade();
 837                    let range = buffer
 838                        .anchor_range_in_excerpt(excerpt_id, invoked_slash_command.range.clone())
 839                        .unwrap();
 840                    let crease = Crease::inline(
 841                        range,
 842                        invoked_slash_command_fold_placeholder(command_id, context),
 843                        fold_toggle("invoked-slash-command"),
 844                        |_row, _folded, _window, _cx| Empty.into_any(),
 845                    );
 846                    let crease_ids = editor.insert_creases([crease.clone()], cx);
 847                    editor.fold_creases(vec![crease], false, window, cx);
 848                    entry.insert(crease_ids[0]);
 849                } else {
 850                    cx.notify()
 851                }
 852            } else {
 853                editor.remove_creases(
 854                    HashSet::from_iter(self.invoked_slash_command_creases.remove(&command_id)),
 855                    cx,
 856                );
 857                cx.notify();
 858            };
 859        });
 860    }
 861
 862    fn insert_thought_process_output_sections(
 863        &mut self,
 864        sections: impl IntoIterator<
 865            Item = (
 866                ThoughtProcessOutputSection<language::Anchor>,
 867                ThoughtProcessStatus,
 868            ),
 869        >,
 870        window: &mut Window,
 871        cx: &mut Context<Self>,
 872    ) -> Vec<CreaseId> {
 873        self.editor.update(cx, |editor, cx| {
 874            let buffer = editor.buffer().read(cx).snapshot(cx);
 875            let excerpt_id = *buffer.as_singleton().unwrap().0;
 876            let mut buffer_rows_to_fold = BTreeSet::new();
 877            let mut creases = Vec::new();
 878            for (section, status) in sections {
 879                let range = buffer
 880                    .anchor_range_in_excerpt(excerpt_id, section.range)
 881                    .unwrap();
 882                let buffer_row = MultiBufferRow(range.start.to_point(&buffer).row);
 883                buffer_rows_to_fold.insert(buffer_row);
 884                creases.push(
 885                    Crease::inline(
 886                        range,
 887                        FoldPlaceholder {
 888                            render: render_thought_process_fold_icon_button(
 889                                cx.entity().downgrade(),
 890                                status,
 891                            ),
 892                            merge_adjacent: false,
 893                            ..Default::default()
 894                        },
 895                        render_slash_command_output_toggle,
 896                        |_, _, _, _| Empty.into_any_element(),
 897                    )
 898                    .with_metadata(CreaseMetadata {
 899                        icon_path: SharedString::from(IconName::Ai.path()),
 900                        label: "Thinking Process".into(),
 901                    }),
 902                );
 903            }
 904
 905            let creases = editor.insert_creases(creases, cx);
 906
 907            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
 908                editor.fold_at(buffer_row, window, cx);
 909            }
 910
 911            creases
 912        })
 913    }
 914
 915    fn insert_slash_command_output_sections(
 916        &mut self,
 917        sections: impl IntoIterator<Item = SlashCommandOutputSection<language::Anchor>>,
 918        expand_result: bool,
 919        window: &mut Window,
 920        cx: &mut Context<Self>,
 921    ) {
 922        self.editor.update(cx, |editor, cx| {
 923            let buffer = editor.buffer().read(cx).snapshot(cx);
 924            let excerpt_id = *buffer.as_singleton().unwrap().0;
 925            let mut buffer_rows_to_fold = BTreeSet::new();
 926            let mut creases = Vec::new();
 927            for section in sections {
 928                let range = buffer
 929                    .anchor_range_in_excerpt(excerpt_id, section.range)
 930                    .unwrap();
 931                let buffer_row = MultiBufferRow(range.start.to_point(&buffer).row);
 932                buffer_rows_to_fold.insert(buffer_row);
 933                creases.push(
 934                    Crease::inline(
 935                        range,
 936                        FoldPlaceholder {
 937                            render: render_fold_icon_button(
 938                                cx.entity().downgrade(),
 939                                section.icon.path().into(),
 940                                section.label.clone(),
 941                            ),
 942                            merge_adjacent: false,
 943                            ..Default::default()
 944                        },
 945                        render_slash_command_output_toggle,
 946                        |_, _, _, _| Empty.into_any_element(),
 947                    )
 948                    .with_metadata(CreaseMetadata {
 949                        icon_path: section.icon.path().into(),
 950                        label: section.label,
 951                    }),
 952                );
 953            }
 954
 955            editor.insert_creases(creases, cx);
 956
 957            if expand_result {
 958                buffer_rows_to_fold.clear();
 959            }
 960            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
 961                editor.fold_at(buffer_row, window, cx);
 962            }
 963        });
 964    }
 965
 966    fn handle_editor_event(
 967        &mut self,
 968        _: &Entity<Editor>,
 969        event: &EditorEvent,
 970        window: &mut Window,
 971        cx: &mut Context<Self>,
 972    ) {
 973        match event {
 974            EditorEvent::ScrollPositionChanged { autoscroll, .. } => {
 975                let cursor_scroll_position = self.cursor_scroll_position(window, cx);
 976                if *autoscroll {
 977                    self.scroll_position = cursor_scroll_position;
 978                } else if self.scroll_position != cursor_scroll_position {
 979                    self.scroll_position = None;
 980                }
 981            }
 982            EditorEvent::SelectionsChanged { .. } => {
 983                self.scroll_position = self.cursor_scroll_position(window, cx);
 984            }
 985            _ => {}
 986        }
 987        cx.emit(event.clone());
 988    }
 989
 990    fn handle_editor_search_event(
 991        &mut self,
 992        _: &Entity<Editor>,
 993        event: &SearchEvent,
 994        _window: &mut Window,
 995        cx: &mut Context<Self>,
 996    ) {
 997        cx.emit(event.clone());
 998    }
 999
1000    fn cursor_scroll_position(
1001        &self,
1002        window: &mut Window,
1003        cx: &mut Context<Self>,
1004    ) -> Option<ScrollPosition> {
1005        self.editor.update(cx, |editor, cx| {
1006            let snapshot = editor.snapshot(window, cx);
1007            let cursor = editor.selections.newest_anchor().head();
1008            let cursor_row = cursor
1009                .to_display_point(&snapshot.display_snapshot)
1010                .row()
1011                .as_f64();
1012            let scroll_position = editor
1013                .scroll_manager
1014                .scroll_position(&snapshot.display_snapshot, cx);
1015
1016            let scroll_bottom = scroll_position.y + editor.visible_line_count().unwrap_or(0.);
1017            if (scroll_position.y..scroll_bottom).contains(&cursor_row) {
1018                Some(ScrollPosition {
1019                    cursor,
1020                    offset_before_cursor: point(scroll_position.x, cursor_row - scroll_position.y),
1021                })
1022            } else {
1023                None
1024            }
1025        })
1026    }
1027
1028    fn esc_kbd(cx: &App) -> Div {
1029        let colors = cx.theme().colors().clone();
1030
1031        h_flex()
1032            .items_center()
1033            .gap_1()
1034            .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
1035            .text_size(TextSize::XSmall.rems(cx))
1036            .text_color(colors.text_muted)
1037            .child("Press")
1038            .child(
1039                h_flex()
1040                    .rounded_sm()
1041                    .px_1()
1042                    .mr_0p5()
1043                    .border_1()
1044                    .border_color(colors.border_variant.alpha(0.6))
1045                    .bg(colors.element_background.alpha(0.6))
1046                    .child("esc"),
1047            )
1048            .child("to cancel")
1049    }
1050
1051    fn update_message_headers(&mut self, cx: &mut Context<Self>) {
1052        self.editor.update(cx, |editor, cx| {
1053            let buffer = editor.buffer().read(cx).snapshot(cx);
1054
1055            let excerpt_id = *buffer.as_singleton().unwrap().0;
1056            let mut old_blocks = std::mem::take(&mut self.blocks);
1057            let mut blocks_to_remove: HashMap<_, _> = old_blocks
1058                .iter()
1059                .map(|(message_id, (_, block_id))| (*message_id, *block_id))
1060                .collect();
1061            let mut blocks_to_replace: HashMap<_, RenderBlock> = Default::default();
1062
1063            let render_block = |message: MessageMetadata| -> RenderBlock {
1064                Arc::new({
1065                    let text_thread = self.text_thread.clone();
1066
1067                    move |cx| {
1068                        let message_id = MessageId(message.timestamp);
1069                        let llm_loading = message.role == Role::Assistant
1070                            && message.status == MessageStatus::Pending;
1071
1072                        let (label, spinner, note) = match message.role {
1073                            Role::User => (
1074                                Label::new("You").color(Color::Default).into_any_element(),
1075                                None,
1076                                None,
1077                            ),
1078                            Role::Assistant => {
1079                                let base_label = Label::new("Agent").color(Color::Info);
1080                                let mut spinner = None;
1081                                let mut note = None;
1082                                let animated_label = if llm_loading {
1083                                    base_label
1084                                        .with_animation(
1085                                            "pulsating-label",
1086                                            Animation::new(Duration::from_secs(2))
1087                                                .repeat()
1088                                                .with_easing(pulsating_between(0.4, 0.8)),
1089                                            |label, delta| label.alpha(delta),
1090                                        )
1091                                        .into_any_element()
1092                                } else {
1093                                    base_label.into_any_element()
1094                                };
1095                                if llm_loading {
1096                                    spinner = Some(
1097                                        Icon::new(IconName::ArrowCircle)
1098                                            .size(IconSize::XSmall)
1099                                            .color(Color::Info)
1100                                            .with_rotate_animation(2)
1101                                            .into_any_element(),
1102                                    );
1103                                    note = Some(Self::esc_kbd(cx).into_any_element());
1104                                }
1105                                (animated_label, spinner, note)
1106                            }
1107                            Role::System => (
1108                                Label::new("System")
1109                                    .color(Color::Warning)
1110                                    .into_any_element(),
1111                                None,
1112                                None,
1113                            ),
1114                        };
1115
1116                        let sender = h_flex()
1117                            .items_center()
1118                            .gap_2p5()
1119                            .child(
1120                                ButtonLike::new("role")
1121                                    .style(ButtonStyle::Filled)
1122                                    .child(
1123                                        h_flex()
1124                                            .items_center()
1125                                            .gap_1p5()
1126                                            .child(label)
1127                                            .children(spinner),
1128                                    )
1129                                    .tooltip(|_window, cx| {
1130                                        Tooltip::with_meta(
1131                                            "Toggle message role",
1132                                            None,
1133                                            "Available roles: You (User), Agent, System",
1134                                            cx,
1135                                        )
1136                                    })
1137                                    .on_click({
1138                                        let text_thread = text_thread.clone();
1139                                        move |_, _window, cx| {
1140                                            text_thread.update(cx, |text_thread, cx| {
1141                                                text_thread.cycle_message_roles(
1142                                                    HashSet::from_iter(Some(message_id)),
1143                                                    cx,
1144                                                )
1145                                            })
1146                                        }
1147                                    }),
1148                            )
1149                            .children(note);
1150
1151                        h_flex()
1152                            .id(("message_header", message_id.as_u64()))
1153                            .pl(cx.margins.gutter.full_width())
1154                            .h_11()
1155                            .w_full()
1156                            .relative()
1157                            .gap_1p5()
1158                            .child(sender)
1159                            .children(match &message.cache {
1160                                Some(cache) if cache.is_final_anchor => match cache.status {
1161                                    CacheStatus::Cached => Some(
1162                                        div()
1163                                            .id("cached")
1164                                            .child(
1165                                                Icon::new(IconName::DatabaseZap)
1166                                                    .size(IconSize::XSmall)
1167                                                    .color(Color::Hint),
1168                                            )
1169                                            .tooltip(|_window, cx| {
1170                                                Tooltip::with_meta(
1171                                                    "Context Cached",
1172                                                    None,
1173                                                    "Large messages cached to optimize performance",
1174                                                    cx,
1175                                                )
1176                                            })
1177                                            .into_any_element(),
1178                                    ),
1179                                    CacheStatus::Pending => Some(
1180                                        div()
1181                                            .child(
1182                                                Icon::new(IconName::Ellipsis)
1183                                                    .size(IconSize::XSmall)
1184                                                    .color(Color::Hint),
1185                                            )
1186                                            .into_any_element(),
1187                                    ),
1188                                },
1189                                _ => None,
1190                            })
1191                            .children(match &message.status {
1192                                MessageStatus::Error(error) => Some(
1193                                    Button::new("show-error", "Error")
1194                                        .color(Color::Error)
1195                                        .selected_label_color(Color::Error)
1196                                        .selected_icon_color(Color::Error)
1197                                        .icon(IconName::XCircle)
1198                                        .icon_color(Color::Error)
1199                                        .icon_size(IconSize::XSmall)
1200                                        .icon_position(IconPosition::Start)
1201                                        .tooltip(Tooltip::text("View Details"))
1202                                        .on_click({
1203                                            let text_thread = text_thread.clone();
1204                                            let error = error.clone();
1205                                            move |_, _window, cx| {
1206                                                text_thread.update(cx, |_, cx| {
1207                                                    cx.emit(TextThreadEvent::ShowAssistError(
1208                                                        error.clone(),
1209                                                    ));
1210                                                });
1211                                            }
1212                                        })
1213                                        .into_any_element(),
1214                                ),
1215                                MessageStatus::Canceled => Some(
1216                                    h_flex()
1217                                        .gap_1()
1218                                        .items_center()
1219                                        .child(
1220                                            Icon::new(IconName::XCircle)
1221                                                .color(Color::Disabled)
1222                                                .size(IconSize::XSmall),
1223                                        )
1224                                        .child(
1225                                            Label::new("Canceled")
1226                                                .size(LabelSize::Small)
1227                                                .color(Color::Disabled),
1228                                        )
1229                                        .into_any_element(),
1230                                ),
1231                                _ => None,
1232                            })
1233                            .into_any_element()
1234                    }
1235                })
1236            };
1237            let create_block_properties = |message: &Message| BlockProperties {
1238                height: Some(2),
1239                style: BlockStyle::Sticky,
1240                placement: BlockPlacement::Above(
1241                    buffer
1242                        .anchor_in_excerpt(excerpt_id, message.anchor_range.start)
1243                        .unwrap(),
1244                ),
1245                priority: usize::MAX,
1246                render: render_block(MessageMetadata::from(message)),
1247            };
1248            let mut new_blocks = vec![];
1249            let mut block_index_to_message = vec![];
1250            for message in self.text_thread.read(cx).messages(cx) {
1251                if blocks_to_remove.remove(&message.id).is_some() {
1252                    // This is an old message that we might modify.
1253                    let Some((meta, block_id)) = old_blocks.get_mut(&message.id) else {
1254                        debug_assert!(
1255                            false,
1256                            "old_blocks should contain a message_id we've just removed."
1257                        );
1258                        continue;
1259                    };
1260                    // Should we modify it?
1261                    let message_meta = MessageMetadata::from(&message);
1262                    if meta != &message_meta {
1263                        blocks_to_replace.insert(*block_id, render_block(message_meta.clone()));
1264                        *meta = message_meta;
1265                    }
1266                } else {
1267                    // This is a new message.
1268                    new_blocks.push(create_block_properties(&message));
1269                    block_index_to_message.push((message.id, MessageMetadata::from(&message)));
1270                }
1271            }
1272            editor.replace_blocks(blocks_to_replace, None, cx);
1273            editor.remove_blocks(blocks_to_remove.into_values().collect(), None, cx);
1274
1275            let ids = editor.insert_blocks(new_blocks, None, cx);
1276            old_blocks.extend(ids.into_iter().zip(block_index_to_message).map(
1277                |(block_id, (message_id, message_meta))| (message_id, (message_meta, block_id)),
1278            ));
1279            self.blocks = old_blocks;
1280        });
1281    }
1282
1283    /// Returns either the selected text, or the content of the Markdown code
1284    /// block surrounding the cursor.
1285    fn get_selection_or_code_block(
1286        context_editor_view: &Entity<TextThreadEditor>,
1287        cx: &mut Context<Workspace>,
1288    ) -> Option<(String, bool)> {
1289        const CODE_FENCE_DELIMITER: &str = "```";
1290
1291        let text_thread_editor = context_editor_view.read(cx).editor.clone();
1292        text_thread_editor.update(cx, |text_thread_editor, cx| {
1293            let display_map = text_thread_editor.display_snapshot(cx);
1294            if text_thread_editor
1295                .selections
1296                .newest::<Point>(&display_map)
1297                .is_empty()
1298            {
1299                let snapshot = text_thread_editor.buffer().read(cx).snapshot(cx);
1300                let (_, _, snapshot) = snapshot.as_singleton()?;
1301
1302                let head = text_thread_editor
1303                    .selections
1304                    .newest::<Point>(&display_map)
1305                    .head();
1306                let offset = snapshot.point_to_offset(head);
1307
1308                let surrounding_code_block_range = find_surrounding_code_block(snapshot, offset)?;
1309                let mut text = snapshot
1310                    .text_for_range(surrounding_code_block_range)
1311                    .collect::<String>();
1312
1313                // If there is no newline trailing the closing three-backticks, then
1314                // tree-sitter-md extends the range of the content node to include
1315                // the backticks.
1316                if text.ends_with(CODE_FENCE_DELIMITER) {
1317                    text.drain((text.len() - CODE_FENCE_DELIMITER.len())..);
1318                }
1319
1320                (!text.is_empty()).then_some((text, true))
1321            } else {
1322                let selection = text_thread_editor.selections.newest_adjusted(&display_map);
1323                let buffer = text_thread_editor.buffer().read(cx).snapshot(cx);
1324                let selected_text = buffer.text_for_range(selection.range()).collect::<String>();
1325
1326                (!selected_text.is_empty()).then_some((selected_text, false))
1327            }
1328        })
1329    }
1330
1331    pub fn insert_selection(
1332        workspace: &mut Workspace,
1333        _: &InsertIntoEditor,
1334        window: &mut Window,
1335        cx: &mut Context<Workspace>,
1336    ) {
1337        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1338            return;
1339        };
1340        let Some(context_editor_view) =
1341            agent_panel_delegate.active_text_thread_editor(workspace, window, cx)
1342        else {
1343            return;
1344        };
1345        let Some(active_editor_view) = workspace
1346            .active_item(cx)
1347            .and_then(|item| item.act_as::<Editor>(cx))
1348        else {
1349            return;
1350        };
1351
1352        if let Some((text, _)) = Self::get_selection_or_code_block(&context_editor_view, cx) {
1353            active_editor_view.update(cx, |editor, cx| {
1354                editor.insert(&text, window, cx);
1355                editor.focus_handle(cx).focus(window, cx);
1356            })
1357        }
1358    }
1359
1360    pub fn copy_code(
1361        workspace: &mut Workspace,
1362        _: &CopyCode,
1363        window: &mut Window,
1364        cx: &mut Context<Workspace>,
1365    ) {
1366        let result = maybe!({
1367            let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
1368            let context_editor_view =
1369                agent_panel_delegate.active_text_thread_editor(workspace, window, cx)?;
1370            Self::get_selection_or_code_block(&context_editor_view, cx)
1371        });
1372        let Some((text, is_code_block)) = result else {
1373            return;
1374        };
1375
1376        cx.write_to_clipboard(ClipboardItem::new_string(text));
1377
1378        struct CopyToClipboardToast;
1379        workspace.show_toast(
1380            Toast::new(
1381                NotificationId::unique::<CopyToClipboardToast>(),
1382                format!(
1383                    "{} copied to clipboard.",
1384                    if is_code_block {
1385                        "Code block"
1386                    } else {
1387                        "Selection"
1388                    }
1389                ),
1390            )
1391            .autohide(),
1392            NotificationSource::Agent,
1393            cx,
1394        );
1395    }
1396
1397    pub fn handle_insert_dragged_files(
1398        workspace: &mut Workspace,
1399        action: &InsertDraggedFiles,
1400        window: &mut Window,
1401        cx: &mut Context<Workspace>,
1402    ) {
1403        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1404            return;
1405        };
1406        let Some(context_editor_view) =
1407            agent_panel_delegate.active_text_thread_editor(workspace, window, cx)
1408        else {
1409            return;
1410        };
1411
1412        let project = context_editor_view.read(cx).project.clone();
1413
1414        let paths = match action {
1415            InsertDraggedFiles::ProjectPaths(paths) => Task::ready((paths.clone(), vec![])),
1416            InsertDraggedFiles::ExternalFiles(paths) => {
1417                let tasks = paths
1418                    .clone()
1419                    .into_iter()
1420                    .map(|path| Workspace::project_path_for_path(project.clone(), &path, false, cx))
1421                    .collect::<Vec<_>>();
1422
1423                cx.background_spawn(async move {
1424                    let mut paths = vec![];
1425                    let mut worktrees = vec![];
1426
1427                    let opened_paths = futures::future::join_all(tasks).await;
1428
1429                    for entry in opened_paths {
1430                        if let Some((worktree, project_path)) = entry.log_err() {
1431                            worktrees.push(worktree);
1432                            paths.push(project_path);
1433                        }
1434                    }
1435
1436                    (paths, worktrees)
1437                })
1438            }
1439        };
1440
1441        context_editor_view.update(cx, |_, cx| {
1442            cx.spawn_in(window, async move |this, cx| {
1443                let (paths, dragged_file_worktrees) = paths.await;
1444                this.update_in(cx, |this, window, cx| {
1445                    this.insert_dragged_files(paths, dragged_file_worktrees, window, cx);
1446                })
1447                .ok();
1448            })
1449            .detach();
1450        })
1451    }
1452
1453    pub fn insert_dragged_files(
1454        &mut self,
1455        opened_paths: Vec<ProjectPath>,
1456        added_worktrees: Vec<Entity<Worktree>>,
1457        window: &mut Window,
1458        cx: &mut Context<Self>,
1459    ) {
1460        let mut file_slash_command_args = vec![];
1461        for project_path in opened_paths.into_iter() {
1462            let Some(worktree) = self
1463                .project
1464                .read(cx)
1465                .worktree_for_id(project_path.worktree_id, cx)
1466            else {
1467                continue;
1468            };
1469            let path_style = worktree.read(cx).path_style();
1470            let full_path = worktree
1471                .read(cx)
1472                .root_name()
1473                .join(&project_path.path)
1474                .display(path_style)
1475                .into_owned();
1476            file_slash_command_args.push(full_path);
1477        }
1478
1479        let cmd_name = FileSlashCommand.name();
1480
1481        let file_argument = file_slash_command_args.join(" ");
1482
1483        self.editor.update(cx, |editor, cx| {
1484            editor.insert("\n", window, cx);
1485            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
1486        });
1487        self.confirm_command(&ConfirmCommand, window, cx);
1488        self.dragged_file_worktrees.extend(added_worktrees);
1489    }
1490
1491    pub fn quote_selection(
1492        workspace: &mut Workspace,
1493        _: &AddSelectionToThread,
1494        window: &mut Window,
1495        cx: &mut Context<Workspace>,
1496    ) {
1497        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1498            return;
1499        };
1500
1501        // Get buffer info for the delegate call (even if empty, AcpThreadView ignores these
1502        // params and calls insert_selections which handles both terminal and buffer)
1503        if let Some((selections, buffer)) = maybe!({
1504            let editor = workspace
1505                .active_item(cx)
1506                .and_then(|item| item.act_as::<Editor>(cx))?;
1507
1508            let buffer = editor.read(cx).buffer().clone();
1509            let snapshot = buffer.read(cx).snapshot(cx);
1510            let selections = editor.update(cx, |editor, cx| {
1511                editor
1512                    .selections
1513                    .all_adjusted(&editor.display_snapshot(cx))
1514                    .into_iter()
1515                    .filter_map(|s| {
1516                        (!s.is_empty())
1517                            .then(|| snapshot.anchor_after(s.start)..snapshot.anchor_before(s.end))
1518                    })
1519                    .collect::<Vec<_>>()
1520            });
1521            Some((selections, buffer))
1522        }) {
1523            agent_panel_delegate.quote_selection(workspace, selections, buffer, window, cx);
1524        }
1525    }
1526
1527    pub fn quote_ranges(
1528        &mut self,
1529        ranges: Vec<Range<Point>>,
1530        snapshot: MultiBufferSnapshot,
1531        window: &mut Window,
1532        cx: &mut Context<Self>,
1533    ) {
1534        let creases = selections_creases(ranges, snapshot, cx);
1535
1536        self.editor.update(cx, |editor, cx| {
1537            editor.insert("\n", window, cx);
1538            for (text, crease_title) in creases {
1539                let point = editor
1540                    .selections
1541                    .newest::<Point>(&editor.display_snapshot(cx))
1542                    .head();
1543                let start_row = MultiBufferRow(point.row);
1544
1545                editor.insert(&text, window, cx);
1546
1547                let snapshot = editor.buffer().read(cx).snapshot(cx);
1548                let anchor_before = snapshot.anchor_after(point);
1549                let anchor_after = editor
1550                    .selections
1551                    .newest_anchor()
1552                    .head()
1553                    .bias_left(&snapshot);
1554
1555                editor.insert("\n", window, cx);
1556
1557                let fold_placeholder =
1558                    quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1559                let crease = Crease::inline(
1560                    anchor_before..anchor_after,
1561                    fold_placeholder,
1562                    render_quote_selection_output_toggle,
1563                    |_, _, _, _| Empty.into_any(),
1564                );
1565                editor.insert_creases(vec![crease], cx);
1566                editor.fold_at(start_row, window, cx);
1567            }
1568        })
1569    }
1570
1571    pub fn quote_terminal_text(
1572        &mut self,
1573        text: String,
1574        window: &mut Window,
1575        cx: &mut Context<Self>,
1576    ) {
1577        let crease_title = "terminal".to_string();
1578        let formatted_text = format!("```console\n{}\n```\n", text);
1579
1580        self.editor.update(cx, |editor, cx| {
1581            // Insert newline first if not at the start of a line
1582            let point = editor
1583                .selections
1584                .newest::<Point>(&editor.display_snapshot(cx))
1585                .head();
1586            if point.column > 0 {
1587                editor.insert("\n", window, cx);
1588            }
1589
1590            let point = editor
1591                .selections
1592                .newest::<Point>(&editor.display_snapshot(cx))
1593                .head();
1594            let start_row = MultiBufferRow(point.row);
1595
1596            editor.insert(&formatted_text, window, cx);
1597
1598            let snapshot = editor.buffer().read(cx).snapshot(cx);
1599            let anchor_before = snapshot.anchor_after(point);
1600            let anchor_after = editor
1601                .selections
1602                .newest_anchor()
1603                .head()
1604                .bias_left(&snapshot);
1605
1606            let fold_placeholder =
1607                quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1608            let crease = Crease::inline(
1609                anchor_before..anchor_after,
1610                fold_placeholder,
1611                render_quote_selection_output_toggle,
1612                |_, _, _, _| Empty.into_any(),
1613            );
1614            editor.insert_creases(vec![crease], cx);
1615            editor.fold_at(start_row, window, cx);
1616        })
1617    }
1618
1619    fn copy(&mut self, _: &editor::actions::Copy, _window: &mut Window, cx: &mut Context<Self>) {
1620        if self.editor.read(cx).selections.count() == 1 {
1621            let (copied_text, metadata, _) = self.get_clipboard_contents(cx);
1622            cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1623                copied_text,
1624                metadata,
1625            ));
1626            cx.stop_propagation();
1627            return;
1628        }
1629
1630        cx.propagate();
1631    }
1632
1633    fn cut(&mut self, _: &editor::actions::Cut, window: &mut Window, cx: &mut Context<Self>) {
1634        if self.editor.read(cx).selections.count() == 1 {
1635            let (copied_text, metadata, selections) = self.get_clipboard_contents(cx);
1636
1637            self.editor.update(cx, |editor, cx| {
1638                editor.transact(window, cx, |this, window, cx| {
1639                    this.change_selections(Default::default(), window, cx, |s| {
1640                        s.select(selections);
1641                    });
1642                    this.insert("", window, cx);
1643                    cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1644                        copied_text,
1645                        metadata,
1646                    ));
1647                });
1648            });
1649
1650            cx.stop_propagation();
1651            return;
1652        }
1653
1654        cx.propagate();
1655    }
1656
1657    fn get_clipboard_contents(
1658        &mut self,
1659        cx: &mut Context<Self>,
1660    ) -> (
1661        String,
1662        CopyMetadata,
1663        Vec<text::Selection<MultiBufferOffset>>,
1664    ) {
1665        let (mut selection, creases) = self.editor.update(cx, |editor, cx| {
1666            let mut selection = editor
1667                .selections
1668                .newest_adjusted(&editor.display_snapshot(cx));
1669            let snapshot = editor.buffer().read(cx).snapshot(cx);
1670
1671            selection.goal = SelectionGoal::None;
1672
1673            let selection_start = snapshot.point_to_offset(selection.start);
1674
1675            (
1676                selection.map(|point| snapshot.point_to_offset(point)),
1677                editor.display_map.update(cx, |display_map, cx| {
1678                    display_map
1679                        .snapshot(cx)
1680                        .crease_snapshot
1681                        .creases_in_range(
1682                            MultiBufferRow(selection.start.row)
1683                                ..MultiBufferRow(selection.end.row + 1),
1684                            &snapshot,
1685                        )
1686                        .filter_map(|crease| {
1687                            if let Crease::Inline {
1688                                range, metadata, ..
1689                            } = &crease
1690                            {
1691                                let metadata = metadata.as_ref()?;
1692                                let start = range
1693                                    .start
1694                                    .to_offset(&snapshot)
1695                                    .saturating_sub(selection_start);
1696                                let end = range
1697                                    .end
1698                                    .to_offset(&snapshot)
1699                                    .saturating_sub(selection_start);
1700
1701                                let range_relative_to_selection = start..end;
1702                                if !range_relative_to_selection.is_empty() {
1703                                    return Some(SelectedCreaseMetadata {
1704                                        range_relative_to_selection,
1705                                        crease: metadata.clone(),
1706                                    });
1707                                }
1708                            }
1709                            None
1710                        })
1711                        .collect::<Vec<_>>()
1712                }),
1713            )
1714        });
1715
1716        let text_thread = self.text_thread.read(cx);
1717
1718        let mut text = String::new();
1719
1720        // If selection is empty, we want to copy the entire line
1721        if selection.range().is_empty() {
1722            let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
1723            let point = snapshot.offset_to_point(selection.range().start);
1724            selection.start = snapshot.point_to_offset(Point::new(point.row, 0));
1725            selection.end = snapshot
1726                .point_to_offset(cmp::min(Point::new(point.row + 1, 0), snapshot.max_point()));
1727            for chunk in snapshot.text_for_range(selection.range()) {
1728                text.push_str(chunk);
1729            }
1730        } else {
1731            for message in text_thread.messages(cx) {
1732                if message.offset_range.start >= selection.range().end.0 {
1733                    break;
1734                } else if message.offset_range.end >= selection.range().start.0 {
1735                    let range = cmp::max(message.offset_range.start, selection.range().start.0)
1736                        ..cmp::min(message.offset_range.end, selection.range().end.0);
1737                    if !range.is_empty() {
1738                        for chunk in text_thread.buffer().read(cx).text_for_range(range) {
1739                            text.push_str(chunk);
1740                        }
1741                        if message.offset_range.end < selection.range().end.0 {
1742                            text.push('\n');
1743                        }
1744                    }
1745                }
1746            }
1747        }
1748        (text, CopyMetadata { creases }, vec![selection])
1749    }
1750
1751    fn paste(
1752        &mut self,
1753        action: &editor::actions::Paste,
1754        window: &mut Window,
1755        cx: &mut Context<Self>,
1756    ) {
1757        let Some(workspace) = self.workspace.upgrade() else {
1758            return;
1759        };
1760        let editor_clipboard_selections = cx
1761            .read_from_clipboard()
1762            .and_then(|item| item.entries().first().cloned())
1763            .and_then(|entry| match entry {
1764                ClipboardEntry::String(text) => {
1765                    text.metadata_json::<Vec<editor::ClipboardSelection>>()
1766                }
1767                _ => None,
1768            });
1769
1770        // Insert creases for pasted clipboard selections that:
1771        // 1. Contain exactly one selection
1772        // 2. Have an associated file path
1773        // 3. Span multiple lines (not single-line selections)
1774        // 4. Belong to a file that exists in the current project
1775        let should_insert_creases = util::maybe!({
1776            let selections = editor_clipboard_selections.as_ref()?;
1777            if selections.len() > 1 {
1778                return Some(false);
1779            }
1780            let selection = selections.first()?;
1781            let file_path = selection.file_path.as_ref()?;
1782            let line_range = selection.line_range.as_ref()?;
1783
1784            if line_range.start() == line_range.end() {
1785                return Some(false);
1786            }
1787
1788            Some(
1789                workspace
1790                    .read(cx)
1791                    .project()
1792                    .read(cx)
1793                    .project_path_for_absolute_path(file_path, cx)
1794                    .is_some(),
1795            )
1796        })
1797        .unwrap_or(false);
1798
1799        if should_insert_creases && let Some(clipboard_item) = cx.read_from_clipboard() {
1800            if let Some(ClipboardEntry::String(clipboard_text)) = clipboard_item.entries().first() {
1801                if let Some(selections) = editor_clipboard_selections {
1802                    cx.stop_propagation();
1803
1804                    let text = clipboard_text.text();
1805                    self.editor.update(cx, |editor, cx| {
1806                        let mut current_offset = 0;
1807                        let weak_editor = cx.entity().downgrade();
1808
1809                        for selection in selections {
1810                            if let (Some(file_path), Some(line_range)) =
1811                                (selection.file_path, selection.line_range)
1812                            {
1813                                let selected_text =
1814                                    &text[current_offset..current_offset + selection.len];
1815                                let fence = assistant_slash_commands::codeblock_fence_for_path(
1816                                    file_path.to_str(),
1817                                    Some(line_range.clone()),
1818                                );
1819                                let formatted_text = format!("{fence}{selected_text}\n```");
1820
1821                                let insert_point = editor
1822                                    .selections
1823                                    .newest::<Point>(&editor.display_snapshot(cx))
1824                                    .head();
1825                                let start_row = MultiBufferRow(insert_point.row);
1826
1827                                editor.insert(&formatted_text, window, cx);
1828
1829                                let snapshot = editor.buffer().read(cx).snapshot(cx);
1830                                let anchor_before = snapshot.anchor_after(insert_point);
1831                                let anchor_after = editor
1832                                    .selections
1833                                    .newest_anchor()
1834                                    .head()
1835                                    .bias_left(&snapshot);
1836
1837                                editor.insert("\n", window, cx);
1838
1839                                let crease_text = acp_thread::selection_name(
1840                                    Some(file_path.as_ref()),
1841                                    &line_range,
1842                                );
1843
1844                                let fold_placeholder = quote_selection_fold_placeholder(
1845                                    crease_text,
1846                                    weak_editor.clone(),
1847                                );
1848                                let crease = Crease::inline(
1849                                    anchor_before..anchor_after,
1850                                    fold_placeholder,
1851                                    render_quote_selection_output_toggle,
1852                                    |_, _, _, _| Empty.into_any(),
1853                                );
1854                                editor.insert_creases(vec![crease], cx);
1855                                editor.fold_at(start_row, window, cx);
1856
1857                                current_offset += selection.len;
1858                                if !selection.is_entire_line && current_offset < text.len() {
1859                                    current_offset += 1;
1860                                }
1861                            }
1862                        }
1863                    });
1864                    return;
1865                }
1866            }
1867        }
1868
1869        cx.stop_propagation();
1870
1871        let mut images = if let Some(item) = cx.read_from_clipboard() {
1872            item.into_entries()
1873                .filter_map(|entry| {
1874                    if let ClipboardEntry::Image(image) = entry {
1875                        Some(image)
1876                    } else {
1877                        None
1878                    }
1879                })
1880                .collect()
1881        } else {
1882            Vec::new()
1883        };
1884
1885        if let Some(paths) = cx.read_from_clipboard() {
1886            for path in paths
1887                .into_entries()
1888                .filter_map(|entry| {
1889                    if let ClipboardEntry::ExternalPaths(paths) = entry {
1890                        Some(paths.paths().to_owned())
1891                    } else {
1892                        None
1893                    }
1894                })
1895                .flatten()
1896            {
1897                let Ok(content) = std::fs::read(path) else {
1898                    continue;
1899                };
1900                let Ok(format) = image::guess_format(&content) else {
1901                    continue;
1902                };
1903                images.push(gpui::Image::from_bytes(
1904                    match format {
1905                        image::ImageFormat::Png => gpui::ImageFormat::Png,
1906                        image::ImageFormat::Jpeg => gpui::ImageFormat::Jpeg,
1907                        image::ImageFormat::WebP => gpui::ImageFormat::Webp,
1908                        image::ImageFormat::Gif => gpui::ImageFormat::Gif,
1909                        image::ImageFormat::Bmp => gpui::ImageFormat::Bmp,
1910                        image::ImageFormat::Tiff => gpui::ImageFormat::Tiff,
1911                        image::ImageFormat::Ico => gpui::ImageFormat::Ico,
1912                        _ => continue,
1913                    },
1914                    content,
1915                ));
1916            }
1917        }
1918
1919        let metadata = if let Some(item) = cx.read_from_clipboard() {
1920            item.entries().first().and_then(|entry| {
1921                if let ClipboardEntry::String(text) = entry {
1922                    text.metadata_json::<CopyMetadata>()
1923                } else {
1924                    None
1925                }
1926            })
1927        } else {
1928            None
1929        };
1930
1931        if images.is_empty() {
1932            self.editor.update(cx, |editor, cx| {
1933                let paste_position = editor
1934                    .selections
1935                    .newest::<MultiBufferOffset>(&editor.display_snapshot(cx))
1936                    .head();
1937                editor.paste(action, window, cx);
1938
1939                if let Some(metadata) = metadata {
1940                    let buffer = editor.buffer().read(cx).snapshot(cx);
1941
1942                    let mut buffer_rows_to_fold = BTreeSet::new();
1943                    let weak_editor = cx.entity().downgrade();
1944                    editor.insert_creases(
1945                        metadata.creases.into_iter().map(|metadata| {
1946                            let start = buffer.anchor_after(
1947                                paste_position + metadata.range_relative_to_selection.start,
1948                            );
1949                            let end = buffer.anchor_before(
1950                                paste_position + metadata.range_relative_to_selection.end,
1951                            );
1952
1953                            let buffer_row = MultiBufferRow(start.to_point(&buffer).row);
1954                            buffer_rows_to_fold.insert(buffer_row);
1955                            Crease::inline(
1956                                start..end,
1957                                FoldPlaceholder {
1958                                    render: render_fold_icon_button(
1959                                        weak_editor.clone(),
1960                                        metadata.crease.icon_path.clone(),
1961                                        metadata.crease.label.clone(),
1962                                    ),
1963                                    ..Default::default()
1964                                },
1965                                render_slash_command_output_toggle,
1966                                |_, _, _, _| Empty.into_any(),
1967                            )
1968                            .with_metadata(metadata.crease)
1969                        }),
1970                        cx,
1971                    );
1972                    for buffer_row in buffer_rows_to_fold.into_iter().rev() {
1973                        editor.fold_at(buffer_row, window, cx);
1974                    }
1975                }
1976            });
1977        } else {
1978            let mut image_positions = Vec::new();
1979            self.editor.update(cx, |editor, cx| {
1980                editor.transact(window, cx, |editor, _window, cx| {
1981                    let edits = editor
1982                        .selections
1983                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1984                        .into_iter()
1985                        .map(|selection| (selection.start..selection.end, "\n"));
1986                    editor.edit(edits, cx);
1987
1988                    let snapshot = editor.buffer().read(cx).snapshot(cx);
1989                    for selection in editor
1990                        .selections
1991                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1992                    {
1993                        image_positions.push(snapshot.anchor_before(selection.end));
1994                    }
1995                });
1996            });
1997
1998            self.text_thread.update(cx, |text_thread, cx| {
1999                for image in images {
2000                    let Some(render_image) = image.to_image_data(cx.svg_renderer()).log_err()
2001                    else {
2002                        continue;
2003                    };
2004                    let image_id = image.id();
2005                    let image_task = LanguageModelImage::from_image(Arc::new(image), cx).shared();
2006
2007                    for image_position in image_positions.iter() {
2008                        text_thread.insert_content(
2009                            Content::Image {
2010                                anchor: image_position.text_anchor,
2011                                image_id,
2012                                image: image_task.clone(),
2013                                render_image: render_image.clone(),
2014                            },
2015                            cx,
2016                        );
2017                    }
2018                }
2019            });
2020        }
2021    }
2022
2023    fn paste_raw(&mut self, _: &PasteRaw, window: &mut Window, cx: &mut Context<Self>) {
2024        self.editor.update(cx, |editor, cx| {
2025            editor.paste(&editor::actions::Paste, window, cx);
2026        });
2027    }
2028
2029    fn update_image_blocks(&mut self, cx: &mut Context<Self>) {
2030        self.editor.update(cx, |editor, cx| {
2031            let buffer = editor.buffer().read(cx).snapshot(cx);
2032            let excerpt_id = *buffer.as_singleton().unwrap().0;
2033            let old_blocks = std::mem::take(&mut self.image_blocks);
2034            let new_blocks = self
2035                .text_thread
2036                .read(cx)
2037                .contents(cx)
2038                .map(
2039                    |Content::Image {
2040                         anchor,
2041                         render_image,
2042                         ..
2043                     }| (anchor, render_image),
2044                )
2045                .filter_map(|(anchor, render_image)| {
2046                    const MAX_HEIGHT_IN_LINES: u32 = 8;
2047                    let anchor = buffer.anchor_in_excerpt(excerpt_id, anchor).unwrap();
2048                    let image = render_image;
2049                    anchor.is_valid(&buffer).then(|| BlockProperties {
2050                        placement: BlockPlacement::Above(anchor),
2051                        height: Some(MAX_HEIGHT_IN_LINES),
2052                        style: BlockStyle::Sticky,
2053                        render: Arc::new(move |cx| {
2054                            let image_size = size_for_image(
2055                                &image,
2056                                size(
2057                                    cx.max_width - cx.margins.gutter.full_width(),
2058                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
2059                                ),
2060                            );
2061                            h_flex()
2062                                .pl(cx.margins.gutter.full_width())
2063                                .child(
2064                                    img(image.clone())
2065                                        .object_fit(gpui::ObjectFit::ScaleDown)
2066                                        .w(image_size.width)
2067                                        .h(image_size.height),
2068                                )
2069                                .into_any_element()
2070                        }),
2071                        priority: 0,
2072                    })
2073                })
2074                .collect::<Vec<_>>();
2075
2076            editor.remove_blocks(old_blocks, None, cx);
2077            let ids = editor.insert_blocks(new_blocks, None, cx);
2078            self.image_blocks = HashSet::from_iter(ids);
2079        });
2080    }
2081
2082    fn split(&mut self, _: &Split, _window: &mut Window, cx: &mut Context<Self>) {
2083        self.text_thread.update(cx, |text_thread, cx| {
2084            let selections = self.editor.read(cx).selections.disjoint_anchors_arc();
2085            for selection in selections.as_ref() {
2086                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2087                let range = selection
2088                    .map(|endpoint| endpoint.to_offset(&buffer))
2089                    .range();
2090                text_thread.split_message(range.start.0..range.end.0, cx);
2091            }
2092        });
2093    }
2094
2095    fn save(&mut self, _: &Save, _window: &mut Window, cx: &mut Context<Self>) {
2096        self.text_thread.update(cx, |text_thread, cx| {
2097            text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
2098        });
2099    }
2100
2101    pub fn title(&self, cx: &App) -> SharedString {
2102        self.text_thread.read(cx).summary().or_default()
2103    }
2104
2105    pub fn regenerate_summary(&mut self, cx: &mut Context<Self>) {
2106        self.text_thread
2107            .update(cx, |text_thread, cx| text_thread.summarize(true, cx));
2108    }
2109
2110    fn render_remaining_tokens(&self, cx: &App) -> Option<impl IntoElement + use<>> {
2111        let (token_count_color, token_count, max_token_count, tooltip) =
2112            match token_state(&self.text_thread, cx)? {
2113                TokenState::NoTokensLeft {
2114                    max_token_count,
2115                    token_count,
2116                } => (
2117                    Color::Error,
2118                    token_count,
2119                    max_token_count,
2120                    Some("Token Limit Reached"),
2121                ),
2122                TokenState::HasMoreTokens {
2123                    max_token_count,
2124                    token_count,
2125                    over_warn_threshold,
2126                } => {
2127                    let (color, tooltip) = if over_warn_threshold {
2128                        (Color::Warning, Some("Token Limit is Close to Exhaustion"))
2129                    } else {
2130                        (Color::Muted, None)
2131                    };
2132                    (color, token_count, max_token_count, tooltip)
2133                }
2134            };
2135
2136        Some(
2137            h_flex()
2138                .id("token-count")
2139                .gap_0p5()
2140                .child(
2141                    Label::new(humanize_token_count(token_count))
2142                        .size(LabelSize::Small)
2143                        .color(token_count_color),
2144                )
2145                .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2146                .child(
2147                    Label::new(humanize_token_count(max_token_count))
2148                        .size(LabelSize::Small)
2149                        .color(Color::Muted),
2150                )
2151                .when_some(tooltip, |element, tooltip| {
2152                    element.tooltip(Tooltip::text(tooltip))
2153                }),
2154        )
2155    }
2156
2157    fn render_send_button(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2158        let focus_handle = self.focus_handle(cx);
2159
2160        let (style, tooltip) = match token_state(&self.text_thread, cx) {
2161            Some(TokenState::NoTokensLeft { .. }) => (
2162                ButtonStyle::Tinted(TintColor::Error),
2163                Some(Tooltip::text("Token limit reached")(window, cx)),
2164            ),
2165            Some(TokenState::HasMoreTokens {
2166                over_warn_threshold,
2167                ..
2168            }) => {
2169                let (style, tooltip) = if over_warn_threshold {
2170                    (
2171                        ButtonStyle::Tinted(TintColor::Warning),
2172                        Some(Tooltip::text("Token limit is close to exhaustion")(
2173                            window, cx,
2174                        )),
2175                    )
2176                } else {
2177                    (ButtonStyle::Filled, None)
2178                };
2179                (style, tooltip)
2180            }
2181            None => (ButtonStyle::Filled, None),
2182        };
2183
2184        Button::new("send_button", "Send")
2185            .label_size(LabelSize::Small)
2186            .disabled(self.sending_disabled(cx))
2187            .style(style)
2188            .when_some(tooltip, |button, tooltip| {
2189                button.tooltip(move |_, _| tooltip.clone())
2190            })
2191            .layer(ElevationIndex::ModalSurface)
2192            .key_binding(
2193                KeyBinding::for_action_in(&Assist, &focus_handle, cx)
2194                    .map(|kb| kb.size(rems_from_px(12.))),
2195            )
2196            .on_click(move |_event, window, cx| {
2197                focus_handle.dispatch_action(&Assist, window, cx);
2198            })
2199    }
2200
2201    /// Whether or not we should allow messages to be sent.
2202    /// Will return false if the selected provided has a configuration error or
2203    /// if the user has not accepted the terms of service for this provider.
2204    fn sending_disabled(&self, cx: &mut Context<'_, TextThreadEditor>) -> bool {
2205        let model_registry = LanguageModelRegistry::read_global(cx);
2206        let Some(configuration_error) =
2207            model_registry.configuration_error(model_registry.default_model(), cx)
2208        else {
2209            return false;
2210        };
2211
2212        match configuration_error {
2213            ConfigurationError::NoProvider
2214            | ConfigurationError::ModelNotFound
2215            | ConfigurationError::ProviderNotAuthenticated(_) => true,
2216        }
2217    }
2218
2219    fn render_inject_context_menu(&self, cx: &mut Context<Self>) -> impl IntoElement {
2220        slash_command_picker::SlashCommandSelector::new(
2221            self.slash_commands.clone(),
2222            cx.entity().downgrade(),
2223            IconButton::new("trigger", IconName::Plus)
2224                .icon_size(IconSize::Small)
2225                .icon_color(Color::Muted)
2226                .selected_icon_color(Color::Accent)
2227                .selected_style(ButtonStyle::Filled),
2228            move |_window, cx| {
2229                Tooltip::with_meta("Add Context", None, "Type / to insert via keyboard", cx)
2230            },
2231        )
2232    }
2233
2234    fn render_language_model_selector(
2235        &self,
2236        window: &mut Window,
2237        cx: &mut Context<Self>,
2238    ) -> impl IntoElement {
2239        let active_model = LanguageModelRegistry::read_global(cx)
2240            .default_model()
2241            .map(|default| default.model);
2242        let model_name = match active_model {
2243            Some(model) => model.name().0,
2244            None => SharedString::from("Select Model"),
2245        };
2246
2247        let active_provider = LanguageModelRegistry::read_global(cx)
2248            .default_model()
2249            .map(|default| default.provider);
2250
2251        let provider_icon = active_provider
2252            .as_ref()
2253            .map(|p| p.icon())
2254            .unwrap_or(IconOrSvg::Icon(IconName::Ai));
2255
2256        let (color, icon) = if self.language_model_selector_menu_handle.is_deployed() {
2257            (Color::Accent, IconName::ChevronUp)
2258        } else {
2259            (Color::Muted, IconName::ChevronDown)
2260        };
2261
2262        let provider_icon_element = match provider_icon {
2263            IconOrSvg::Svg(path) => Icon::from_external_svg(path),
2264            IconOrSvg::Icon(name) => Icon::new(name),
2265        }
2266        .color(color)
2267        .size(IconSize::XSmall);
2268
2269        let show_cycle_row = self
2270            .language_model_selector
2271            .read(cx)
2272            .delegate
2273            .favorites_count()
2274            > 1;
2275
2276        let tooltip = Tooltip::element({
2277            move |_, _cx| {
2278                ModelSelectorTooltip::new()
2279                    .show_cycle_row(show_cycle_row)
2280                    .into_any_element()
2281            }
2282        });
2283
2284        PickerPopoverMenu::new(
2285            self.language_model_selector.clone(),
2286            ButtonLike::new("active-model")
2287                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
2288                .child(
2289                    h_flex()
2290                        .gap_0p5()
2291                        .child(provider_icon_element)
2292                        .child(
2293                            Label::new(model_name)
2294                                .color(color)
2295                                .size(LabelSize::Small)
2296                                .ml_0p5(),
2297                        )
2298                        .child(Icon::new(icon).color(color).size(IconSize::XSmall)),
2299                ),
2300            tooltip,
2301            gpui::Corner::BottomRight,
2302            cx,
2303        )
2304        .with_handle(self.language_model_selector_menu_handle.clone())
2305        .render(window, cx)
2306    }
2307
2308    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2309        let last_error = self.last_error.as_ref()?;
2310
2311        Some(
2312            div()
2313                .absolute()
2314                .right_3()
2315                .bottom_12()
2316                .max_w_96()
2317                .py_2()
2318                .px_3()
2319                .elevation_2(cx)
2320                .occlude()
2321                .child(match last_error {
2322                    AssistError::PaymentRequired => self.render_payment_required_error(cx),
2323                    AssistError::Message(error_message) => {
2324                        self.render_assist_error(error_message, cx)
2325                    }
2326                })
2327                .into_any(),
2328        )
2329    }
2330
2331    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
2332        const ERROR_MESSAGE: &str = "Free tier exceeded. Subscribe and add payment to continue using Zed LLMs. You'll be billed at cost for tokens used.";
2333
2334        v_flex()
2335            .gap_0p5()
2336            .child(
2337                h_flex()
2338                    .gap_1p5()
2339                    .items_center()
2340                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2341                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
2342            )
2343            .child(
2344                div()
2345                    .id("error-message")
2346                    .max_h_24()
2347                    .overflow_y_scroll()
2348                    .child(Label::new(ERROR_MESSAGE)),
2349            )
2350            .child(
2351                h_flex()
2352                    .justify_end()
2353                    .mt_1()
2354                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
2355                        |this, _, _window, cx| {
2356                            this.last_error = None;
2357                            cx.open_url(&zed_urls::account_url(cx));
2358                            cx.notify();
2359                        },
2360                    )))
2361                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2362                        |this, _, _window, cx| {
2363                            this.last_error = None;
2364                            cx.notify();
2365                        },
2366                    ))),
2367            )
2368            .into_any()
2369    }
2370
2371    fn render_assist_error(
2372        &self,
2373        error_message: &SharedString,
2374        cx: &mut Context<Self>,
2375    ) -> AnyElement {
2376        v_flex()
2377            .gap_0p5()
2378            .child(
2379                h_flex()
2380                    .gap_1p5()
2381                    .items_center()
2382                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2383                    .child(
2384                        Label::new("Error interacting with language model")
2385                            .weight(FontWeight::MEDIUM),
2386                    ),
2387            )
2388            .child(
2389                div()
2390                    .id("error-message")
2391                    .max_h_32()
2392                    .overflow_y_scroll()
2393                    .child(Label::new(error_message.clone())),
2394            )
2395            .child(
2396                h_flex()
2397                    .justify_end()
2398                    .mt_1()
2399                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2400                        |this, _, _window, cx| {
2401                            this.last_error = None;
2402                            cx.notify();
2403                        },
2404                    ))),
2405            )
2406            .into_any()
2407    }
2408}
2409
2410/// Returns the contents of the *outermost* fenced code block that contains the given offset.
2411fn find_surrounding_code_block(snapshot: &BufferSnapshot, offset: usize) -> Option<Range<usize>> {
2412    const CODE_BLOCK_NODE: &str = "fenced_code_block";
2413    const CODE_BLOCK_CONTENT: &str = "code_fence_content";
2414
2415    let layer = snapshot.syntax_layers().next()?;
2416
2417    let root_node = layer.node();
2418    let mut cursor = root_node.walk();
2419
2420    // Go to the first child for the given offset
2421    while cursor.goto_first_child_for_byte(offset).is_some() {
2422        // If we're at the end of the node, go to the next one.
2423        // Example: if you have a fenced-code-block, and you're on the start of the line
2424        // right after the closing ```, you want to skip the fenced-code-block and
2425        // go to the next sibling.
2426        if cursor.node().end_byte() == offset {
2427            cursor.goto_next_sibling();
2428        }
2429
2430        if cursor.node().start_byte() > offset {
2431            break;
2432        }
2433
2434        // We found the fenced code block.
2435        if cursor.node().kind() == CODE_BLOCK_NODE {
2436            // Now we need to find the child node that contains the code.
2437            cursor.goto_first_child();
2438            loop {
2439                if cursor.node().kind() == CODE_BLOCK_CONTENT {
2440                    return Some(cursor.node().byte_range());
2441                }
2442                if !cursor.goto_next_sibling() {
2443                    break;
2444                }
2445            }
2446        }
2447    }
2448
2449    None
2450}
2451
2452fn render_thought_process_fold_icon_button(
2453    editor: WeakEntity<Editor>,
2454    status: ThoughtProcessStatus,
2455) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2456    Arc::new(move |fold_id, fold_range, _cx| {
2457        let editor = editor.clone();
2458
2459        let button = ButtonLike::new(fold_id).layer(ElevationIndex::ElevatedSurface);
2460        let button = match status {
2461            ThoughtProcessStatus::Pending => button
2462                .child(
2463                    Icon::new(IconName::ToolThink)
2464                        .size(IconSize::Small)
2465                        .color(Color::Muted),
2466                )
2467                .child(
2468                    Label::new("Thinking…").color(Color::Muted).with_animation(
2469                        "pulsating-label",
2470                        Animation::new(Duration::from_secs(2))
2471                            .repeat()
2472                            .with_easing(pulsating_between(0.4, 0.8)),
2473                        |label, delta| label.alpha(delta),
2474                    ),
2475                ),
2476            ThoughtProcessStatus::Completed => button
2477                .style(ButtonStyle::Filled)
2478                .child(Icon::new(IconName::ToolThink).size(IconSize::Small))
2479                .child(Label::new("Thought Process").single_line()),
2480        };
2481
2482        button
2483            .on_click(move |_, window, cx| {
2484                editor
2485                    .update(cx, |editor, cx| {
2486                        let buffer_start = fold_range
2487                            .start
2488                            .to_point(&editor.buffer().read(cx).read(cx));
2489                        let buffer_row = MultiBufferRow(buffer_start.row);
2490                        editor.unfold_at(buffer_row, window, cx);
2491                    })
2492                    .ok();
2493            })
2494            .into_any_element()
2495    })
2496}
2497
2498fn render_fold_icon_button(
2499    editor: WeakEntity<Editor>,
2500    icon_path: SharedString,
2501    label: SharedString,
2502) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2503    Arc::new(move |fold_id, fold_range, _cx| {
2504        let editor = editor.clone();
2505        ButtonLike::new(fold_id)
2506            .style(ButtonStyle::Filled)
2507            .layer(ElevationIndex::ElevatedSurface)
2508            .child(Icon::from_path(icon_path.clone()))
2509            .child(Label::new(label.clone()).single_line())
2510            .on_click(move |_, window, cx| {
2511                editor
2512                    .update(cx, |editor, cx| {
2513                        let buffer_start = fold_range
2514                            .start
2515                            .to_point(&editor.buffer().read(cx).read(cx));
2516                        let buffer_row = MultiBufferRow(buffer_start.row);
2517                        editor.unfold_at(buffer_row, window, cx);
2518                    })
2519                    .ok();
2520            })
2521            .into_any_element()
2522    })
2523}
2524
2525type ToggleFold = Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>;
2526
2527fn render_slash_command_output_toggle(
2528    row: MultiBufferRow,
2529    is_folded: bool,
2530    fold: ToggleFold,
2531    _window: &mut Window,
2532    _cx: &mut App,
2533) -> AnyElement {
2534    Disclosure::new(
2535        ("slash-command-output-fold-indicator", row.0 as u64),
2536        !is_folded,
2537    )
2538    .toggle_state(is_folded)
2539    .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2540    .into_any_element()
2541}
2542
2543pub fn fold_toggle(
2544    name: &'static str,
2545) -> impl Fn(
2546    MultiBufferRow,
2547    bool,
2548    Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>,
2549    &mut Window,
2550    &mut App,
2551) -> AnyElement {
2552    move |row, is_folded, fold, _window, _cx| {
2553        Disclosure::new((name, row.0 as u64), !is_folded)
2554            .toggle_state(is_folded)
2555            .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2556            .into_any_element()
2557    }
2558}
2559
2560fn quote_selection_fold_placeholder(title: String, editor: WeakEntity<Editor>) -> FoldPlaceholder {
2561    FoldPlaceholder {
2562        render: Arc::new({
2563            move |fold_id, fold_range, _cx| {
2564                let editor = editor.clone();
2565                ButtonLike::new(fold_id)
2566                    .style(ButtonStyle::Filled)
2567                    .layer(ElevationIndex::ElevatedSurface)
2568                    .child(Icon::new(IconName::TextSnippet))
2569                    .child(Label::new(title.clone()).single_line())
2570                    .on_click(move |_, window, cx| {
2571                        editor
2572                            .update(cx, |editor, cx| {
2573                                let buffer_start = fold_range
2574                                    .start
2575                                    .to_point(&editor.buffer().read(cx).read(cx));
2576                                let buffer_row = MultiBufferRow(buffer_start.row);
2577                                editor.unfold_at(buffer_row, window, cx);
2578                            })
2579                            .ok();
2580                    })
2581                    .into_any_element()
2582            }
2583        }),
2584        merge_adjacent: false,
2585        ..Default::default()
2586    }
2587}
2588
2589fn render_quote_selection_output_toggle(
2590    row: MultiBufferRow,
2591    is_folded: bool,
2592    fold: ToggleFold,
2593    _window: &mut Window,
2594    _cx: &mut App,
2595) -> AnyElement {
2596    Disclosure::new(("quote-selection-indicator", row.0 as u64), !is_folded)
2597        .toggle_state(is_folded)
2598        .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2599        .into_any_element()
2600}
2601
2602fn render_pending_slash_command_gutter_decoration(
2603    row: MultiBufferRow,
2604    status: &PendingSlashCommandStatus,
2605    confirm_command: Arc<dyn Fn(&mut Window, &mut App)>,
2606) -> AnyElement {
2607    let mut icon = IconButton::new(
2608        ("slash-command-gutter-decoration", row.0),
2609        ui::IconName::TriangleRight,
2610    )
2611    .on_click(move |_e, window, cx| confirm_command(window, cx))
2612    .icon_size(ui::IconSize::Small)
2613    .size(ui::ButtonSize::None);
2614
2615    match status {
2616        PendingSlashCommandStatus::Idle => {
2617            icon = icon.icon_color(Color::Muted);
2618        }
2619        PendingSlashCommandStatus::Running { .. } => {
2620            icon = icon.toggle_state(true);
2621        }
2622        PendingSlashCommandStatus::Error(_) => icon = icon.icon_color(Color::Error),
2623    }
2624
2625    icon.into_any_element()
2626}
2627
2628#[derive(Debug, Clone, Serialize, Deserialize)]
2629struct CopyMetadata {
2630    creases: Vec<SelectedCreaseMetadata>,
2631}
2632
2633#[derive(Debug, Clone, Serialize, Deserialize)]
2634struct SelectedCreaseMetadata {
2635    range_relative_to_selection: Range<usize>,
2636    crease: CreaseMetadata,
2637}
2638
2639impl EventEmitter<EditorEvent> for TextThreadEditor {}
2640impl EventEmitter<SearchEvent> for TextThreadEditor {}
2641
2642impl Render for TextThreadEditor {
2643    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2644        let language_model_selector = self.language_model_selector_menu_handle.clone();
2645
2646        v_flex()
2647            .key_context("ContextEditor")
2648            .capture_action(cx.listener(TextThreadEditor::cancel))
2649            .capture_action(cx.listener(TextThreadEditor::save))
2650            .capture_action(cx.listener(TextThreadEditor::copy))
2651            .capture_action(cx.listener(TextThreadEditor::cut))
2652            .capture_action(cx.listener(TextThreadEditor::paste))
2653            .on_action(cx.listener(TextThreadEditor::paste_raw))
2654            .capture_action(cx.listener(TextThreadEditor::cycle_message_role))
2655            .capture_action(cx.listener(TextThreadEditor::confirm_command))
2656            .on_action(cx.listener(TextThreadEditor::assist))
2657            .on_action(cx.listener(TextThreadEditor::split))
2658            .on_action(move |_: &ToggleModelSelector, window, cx| {
2659                language_model_selector.toggle(window, cx);
2660            })
2661            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
2662                this.language_model_selector.update(cx, |selector, cx| {
2663                    selector.delegate.cycle_favorite_models(window, cx);
2664                });
2665            }))
2666            .size_full()
2667            .child(
2668                div()
2669                    .flex_grow()
2670                    .bg(cx.theme().colors().editor_background)
2671                    .child(self.editor.clone()),
2672            )
2673            .children(self.render_last_error(cx))
2674            .child(
2675                h_flex()
2676                    .relative()
2677                    .py_2()
2678                    .pl_1p5()
2679                    .pr_2()
2680                    .w_full()
2681                    .justify_between()
2682                    .border_t_1()
2683                    .border_color(cx.theme().colors().border_variant)
2684                    .bg(cx.theme().colors().editor_background)
2685                    .child(
2686                        h_flex()
2687                            .gap_0p5()
2688                            .child(self.render_inject_context_menu(cx)),
2689                    )
2690                    .child(
2691                        h_flex()
2692                            .gap_2p5()
2693                            .children(self.render_remaining_tokens(cx))
2694                            .child(
2695                                h_flex()
2696                                    .gap_1()
2697                                    .child(self.render_language_model_selector(window, cx))
2698                                    .child(self.render_send_button(window, cx)),
2699                            ),
2700                    ),
2701            )
2702    }
2703}
2704
2705impl Focusable for TextThreadEditor {
2706    fn focus_handle(&self, cx: &App) -> FocusHandle {
2707        self.editor.focus_handle(cx)
2708    }
2709}
2710
2711impl Item for TextThreadEditor {
2712    type Event = editor::EditorEvent;
2713
2714    fn tab_content_text(&self, _detail: usize, cx: &App) -> SharedString {
2715        util::truncate_and_trailoff(&self.title(cx), MAX_TAB_TITLE_LEN).into()
2716    }
2717
2718    fn to_item_events(event: &Self::Event, mut f: impl FnMut(item::ItemEvent)) {
2719        match event {
2720            EditorEvent::Edited { .. } => {
2721                f(item::ItemEvent::Edit);
2722            }
2723            EditorEvent::TitleChanged => {
2724                f(item::ItemEvent::UpdateTab);
2725            }
2726            _ => {}
2727        }
2728    }
2729
2730    fn tab_tooltip_text(&self, cx: &App) -> Option<SharedString> {
2731        Some(self.title(cx).to_string().into())
2732    }
2733
2734    fn as_searchable(
2735        &self,
2736        handle: &Entity<Self>,
2737        _: &App,
2738    ) -> Option<Box<dyn SearchableItemHandle>> {
2739        Some(Box::new(handle.clone()))
2740    }
2741
2742    fn set_nav_history(
2743        &mut self,
2744        nav_history: pane::ItemNavHistory,
2745        window: &mut Window,
2746        cx: &mut Context<Self>,
2747    ) {
2748        self.editor.update(cx, |editor, cx| {
2749            Item::set_nav_history(editor, nav_history, window, cx)
2750        })
2751    }
2752
2753    fn navigate(
2754        &mut self,
2755        data: Arc<dyn Any + Send>,
2756        window: &mut Window,
2757        cx: &mut Context<Self>,
2758    ) -> bool {
2759        self.editor
2760            .update(cx, |editor, cx| Item::navigate(editor, data, window, cx))
2761    }
2762
2763    fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2764        self.editor
2765            .update(cx, |editor, cx| Item::deactivated(editor, window, cx))
2766    }
2767
2768    fn act_as_type<'a>(
2769        &'a self,
2770        type_id: TypeId,
2771        self_handle: &'a Entity<Self>,
2772        _: &'a App,
2773    ) -> Option<gpui::AnyEntity> {
2774        if type_id == TypeId::of::<Self>() {
2775            Some(self_handle.clone().into())
2776        } else if type_id == TypeId::of::<Editor>() {
2777            Some(self.editor.clone().into())
2778        } else {
2779            None
2780        }
2781    }
2782
2783    fn include_in_nav_history() -> bool {
2784        false
2785    }
2786}
2787
2788impl SearchableItem for TextThreadEditor {
2789    type Match = <Editor as SearchableItem>::Match;
2790
2791    fn clear_matches(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2792        self.editor.update(cx, |editor, cx| {
2793            editor.clear_matches(window, cx);
2794        });
2795    }
2796
2797    fn update_matches(
2798        &mut self,
2799        matches: &[Self::Match],
2800        active_match_index: Option<usize>,
2801        token: SearchToken,
2802        window: &mut Window,
2803        cx: &mut Context<Self>,
2804    ) {
2805        self.editor.update(cx, |editor, cx| {
2806            editor.update_matches(matches, active_match_index, token, window, cx)
2807        });
2808    }
2809
2810    fn query_suggestion(&mut self, window: &mut Window, cx: &mut Context<Self>) -> String {
2811        self.editor
2812            .update(cx, |editor, cx| editor.query_suggestion(window, cx))
2813    }
2814
2815    fn activate_match(
2816        &mut self,
2817        index: usize,
2818        matches: &[Self::Match],
2819        token: SearchToken,
2820        window: &mut Window,
2821        cx: &mut Context<Self>,
2822    ) {
2823        self.editor.update(cx, |editor, cx| {
2824            editor.activate_match(index, matches, token, window, cx);
2825        });
2826    }
2827
2828    fn select_matches(
2829        &mut self,
2830        matches: &[Self::Match],
2831        token: SearchToken,
2832        window: &mut Window,
2833        cx: &mut Context<Self>,
2834    ) {
2835        self.editor.update(cx, |editor, cx| {
2836            editor.select_matches(matches, token, window, cx)
2837        });
2838    }
2839
2840    fn replace(
2841        &mut self,
2842        identifier: &Self::Match,
2843        query: &project::search::SearchQuery,
2844        token: SearchToken,
2845        window: &mut Window,
2846        cx: &mut Context<Self>,
2847    ) {
2848        self.editor.update(cx, |editor, cx| {
2849            editor.replace(identifier, query, token, window, cx)
2850        });
2851    }
2852
2853    fn find_matches(
2854        &mut self,
2855        query: Arc<project::search::SearchQuery>,
2856        window: &mut Window,
2857        cx: &mut Context<Self>,
2858    ) -> Task<Vec<Self::Match>> {
2859        self.editor
2860            .update(cx, |editor, cx| editor.find_matches(query, window, cx))
2861    }
2862
2863    fn active_match_index(
2864        &mut self,
2865        direction: Direction,
2866        matches: &[Self::Match],
2867        token: SearchToken,
2868        window: &mut Window,
2869        cx: &mut Context<Self>,
2870    ) -> Option<usize> {
2871        self.editor.update(cx, |editor, cx| {
2872            editor.active_match_index(direction, matches, token, window, cx)
2873        })
2874    }
2875}
2876
2877impl FollowableItem for TextThreadEditor {
2878    fn remote_id(&self) -> Option<workspace::ViewId> {
2879        self.remote_id
2880    }
2881
2882    fn to_state_proto(&self, window: &mut Window, cx: &mut App) -> Option<proto::view::Variant> {
2883        let context_id = self.text_thread.read(cx).id().to_proto();
2884        let editor_proto = self
2885            .editor
2886            .update(cx, |editor, cx| editor.to_state_proto(window, cx));
2887        Some(proto::view::Variant::ContextEditor(
2888            proto::view::ContextEditor {
2889                context_id,
2890                editor: if let Some(proto::view::Variant::Editor(proto)) = editor_proto {
2891                    Some(proto)
2892                } else {
2893                    None
2894                },
2895            },
2896        ))
2897    }
2898
2899    fn from_state_proto(
2900        workspace: Entity<Workspace>,
2901        id: workspace::ViewId,
2902        state: &mut Option<proto::view::Variant>,
2903        window: &mut Window,
2904        cx: &mut App,
2905    ) -> Option<Task<Result<Entity<Self>>>> {
2906        let proto::view::Variant::ContextEditor(_) = state.as_ref()? else {
2907            return None;
2908        };
2909        let Some(proto::view::Variant::ContextEditor(state)) = state.take() else {
2910            unreachable!()
2911        };
2912
2913        let text_thread_id = TextThreadId::from_proto(state.context_id);
2914        let editor_state = state.editor?;
2915
2916        let project = workspace.read(cx).project().clone();
2917        let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
2918
2919        let text_thread_editor_task = workspace.update(cx, |workspace, cx| {
2920            agent_panel_delegate.open_remote_text_thread(workspace, text_thread_id, window, cx)
2921        });
2922
2923        Some(window.spawn(cx, async move |cx| {
2924            let text_thread_editor = text_thread_editor_task.await?;
2925            text_thread_editor
2926                .update_in(cx, |text_thread_editor, window, cx| {
2927                    text_thread_editor.remote_id = Some(id);
2928                    text_thread_editor.editor.update(cx, |editor, cx| {
2929                        editor.apply_update_proto(
2930                            &project,
2931                            proto::update_view::Variant::Editor(proto::update_view::Editor {
2932                                selections: editor_state.selections,
2933                                pending_selection: editor_state.pending_selection,
2934                                scroll_top_anchor: editor_state.scroll_top_anchor,
2935                                scroll_x: editor_state.scroll_y,
2936                                scroll_y: editor_state.scroll_y,
2937                                ..Default::default()
2938                            }),
2939                            window,
2940                            cx,
2941                        )
2942                    })
2943                })?
2944                .await?;
2945            Ok(text_thread_editor)
2946        }))
2947    }
2948
2949    fn to_follow_event(event: &Self::Event) -> Option<item::FollowEvent> {
2950        Editor::to_follow_event(event)
2951    }
2952
2953    fn add_event_to_update_proto(
2954        &self,
2955        event: &Self::Event,
2956        update: &mut Option<proto::update_view::Variant>,
2957        window: &mut Window,
2958        cx: &mut App,
2959    ) -> bool {
2960        self.editor.update(cx, |editor, cx| {
2961            editor.add_event_to_update_proto(event, update, window, cx)
2962        })
2963    }
2964
2965    fn apply_update_proto(
2966        &mut self,
2967        project: &Entity<Project>,
2968        message: proto::update_view::Variant,
2969        window: &mut Window,
2970        cx: &mut Context<Self>,
2971    ) -> Task<Result<()>> {
2972        self.editor.update(cx, |editor, cx| {
2973            editor.apply_update_proto(project, message, window, cx)
2974        })
2975    }
2976
2977    fn is_project_item(&self, _window: &Window, _cx: &App) -> bool {
2978        true
2979    }
2980
2981    fn set_leader_id(
2982        &mut self,
2983        leader_id: Option<CollaboratorId>,
2984        window: &mut Window,
2985        cx: &mut Context<Self>,
2986    ) {
2987        self.editor
2988            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
2989    }
2990
2991    fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<item::Dedup> {
2992        if existing.text_thread.read(cx).id() == self.text_thread.read(cx).id() {
2993            Some(item::Dedup::KeepExisting)
2994        } else {
2995            None
2996        }
2997    }
2998}
2999
3000enum PendingSlashCommand {}
3001
3002fn invoked_slash_command_fold_placeholder(
3003    command_id: InvokedSlashCommandId,
3004    text_thread: WeakEntity<TextThread>,
3005) -> FoldPlaceholder {
3006    FoldPlaceholder {
3007        collapsed_text: None,
3008        constrain_width: false,
3009        merge_adjacent: false,
3010        render: Arc::new(move |fold_id, _, cx| {
3011            let Some(text_thread) = text_thread.upgrade() else {
3012                return Empty.into_any();
3013            };
3014
3015            let Some(command) = text_thread.read(cx).invoked_slash_command(&command_id) else {
3016                return Empty.into_any();
3017            };
3018
3019            h_flex()
3020                .id(fold_id)
3021                .px_1()
3022                .ml_6()
3023                .gap_2()
3024                .bg(cx.theme().colors().surface_background)
3025                .rounded_sm()
3026                .child(Label::new(format!("/{}", command.name)))
3027                .map(|parent| match &command.status {
3028                    InvokedSlashCommandStatus::Running(_) => {
3029                        parent.child(Icon::new(IconName::ArrowCircle).with_rotate_animation(4))
3030                    }
3031                    InvokedSlashCommandStatus::Error(message) => parent.child(
3032                        Label::new(format!("error: {message}"))
3033                            .single_line()
3034                            .color(Color::Error),
3035                    ),
3036                    InvokedSlashCommandStatus::Finished => parent,
3037                })
3038                .into_any_element()
3039        }),
3040        type_tag: Some(TypeId::of::<PendingSlashCommand>()),
3041    }
3042}
3043
3044enum TokenState {
3045    NoTokensLeft {
3046        max_token_count: u64,
3047        token_count: u64,
3048    },
3049    HasMoreTokens {
3050        max_token_count: u64,
3051        token_count: u64,
3052        over_warn_threshold: bool,
3053    },
3054}
3055
3056fn token_state(text_thread: &Entity<TextThread>, cx: &App) -> Option<TokenState> {
3057    const WARNING_TOKEN_THRESHOLD: f32 = 0.8;
3058
3059    let model = LanguageModelRegistry::read_global(cx)
3060        .default_model()?
3061        .model;
3062    let token_count = text_thread.read(cx).token_count()?;
3063    let max_token_count = model.max_token_count();
3064    let token_state = if max_token_count.saturating_sub(token_count) == 0 {
3065        TokenState::NoTokensLeft {
3066            max_token_count,
3067            token_count,
3068        }
3069    } else {
3070        let over_warn_threshold =
3071            token_count as f32 / max_token_count as f32 >= WARNING_TOKEN_THRESHOLD;
3072        TokenState::HasMoreTokens {
3073            max_token_count,
3074            token_count,
3075            over_warn_threshold,
3076        }
3077    };
3078    Some(token_state)
3079}
3080
3081fn size_for_image(data: &RenderImage, max_size: Size<Pixels>) -> Size<Pixels> {
3082    let image_size = data
3083        .size(0)
3084        .map(|dimension| Pixels::from(u32::from(dimension)));
3085    let image_ratio = image_size.width / image_size.height;
3086    let bounds_ratio = max_size.width / max_size.height;
3087
3088    if image_size.width > max_size.width || image_size.height > max_size.height {
3089        if bounds_ratio > image_ratio {
3090            size(
3091                image_size.width * (max_size.height / image_size.height),
3092                max_size.height,
3093            )
3094        } else {
3095            size(
3096                max_size.width,
3097                image_size.height * (max_size.width / image_size.width),
3098            )
3099        }
3100    } else {
3101        size(image_size.width, image_size.height)
3102    }
3103}
3104
3105pub fn humanize_token_count(count: u64) -> String {
3106    match count {
3107        0..=999 => count.to_string(),
3108        1000..=9999 => {
3109            let thousands = count / 1000;
3110            let hundreds = (count % 1000 + 50) / 100;
3111            if hundreds == 0 {
3112                format!("{}k", thousands)
3113            } else if hundreds == 10 {
3114                format!("{}k", thousands + 1)
3115            } else {
3116                format!("{}.{}k", thousands, hundreds)
3117            }
3118        }
3119        1_000_000..=9_999_999 => {
3120            let millions = count / 1_000_000;
3121            let hundred_thousands = (count % 1_000_000 + 50_000) / 100_000;
3122            if hundred_thousands == 0 {
3123                format!("{}M", millions)
3124            } else if hundred_thousands == 10 {
3125                format!("{}M", millions + 1)
3126            } else {
3127                format!("{}.{}M", millions, hundred_thousands)
3128            }
3129        }
3130        10_000_000.. => format!("{}M", (count + 500_000) / 1_000_000),
3131        _ => format!("{}k", (count + 500) / 1000),
3132    }
3133}
3134
3135pub fn make_lsp_adapter_delegate(
3136    project: &Entity<Project>,
3137    cx: &mut App,
3138) -> Result<Option<Arc<dyn LspAdapterDelegate>>> {
3139    project.update(cx, |project, cx| {
3140        // TODO: Find the right worktree.
3141        let Some(worktree) = project.worktrees(cx).next() else {
3142            return Ok(None::<Arc<dyn LspAdapterDelegate>>);
3143        };
3144        let http_client = project.client().http_client();
3145        project.lsp_store().update(cx, |_, cx| {
3146            Ok(Some(LocalLspAdapterDelegate::new(
3147                project.languages().clone(),
3148                project.environment(),
3149                cx.weak_entity(),
3150                &worktree,
3151                http_client,
3152                project.fs().clone(),
3153                cx,
3154            ) as Arc<dyn LspAdapterDelegate>))
3155        })
3156    })
3157}
3158
3159#[cfg(test)]
3160mod tests {
3161    use super::*;
3162    use editor::{MultiBufferOffset, SelectionEffects};
3163    use fs::FakeFs;
3164    use gpui::{App, TestAppContext, VisualTestContext};
3165    use indoc::indoc;
3166    use language::{Buffer, LanguageRegistry};
3167    use pretty_assertions::assert_eq;
3168    use prompt_store::PromptBuilder;
3169    use text::OffsetRangeExt;
3170    use unindent::Unindent;
3171    use util::path;
3172
3173    #[gpui::test]
3174    async fn test_copy_paste_whole_message(cx: &mut TestAppContext) {
3175        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(vec![
3176            (Role::User, "What is the Zed editor?"),
3177            (
3178                Role::Assistant,
3179                "Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.",
3180            ),
3181            (Role::User, ""),
3182        ],cx).await;
3183
3184        // Select & Copy whole user message
3185        assert_copy_paste_text_thread_editor(
3186            &text_thread_editor,
3187            message_range(&context, 0, &mut cx),
3188            indoc! {"
3189                What is the Zed editor?
3190                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3191                What is the Zed editor?
3192            "},
3193            &mut cx,
3194        );
3195
3196        // Select & Copy whole assistant message
3197        assert_copy_paste_text_thread_editor(
3198            &text_thread_editor,
3199            message_range(&context, 1, &mut cx),
3200            indoc! {"
3201                What is the Zed editor?
3202                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3203                What is the Zed editor?
3204                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3205            "},
3206            &mut cx,
3207        );
3208    }
3209
3210    #[gpui::test]
3211    async fn test_copy_paste_no_selection(cx: &mut TestAppContext) {
3212        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(
3213            vec![
3214                (Role::User, "user1"),
3215                (Role::Assistant, "assistant1"),
3216                (Role::Assistant, "assistant2"),
3217                (Role::User, ""),
3218            ],
3219            cx,
3220        )
3221        .await;
3222
3223        // Copy and paste first assistant message
3224        let message_2_range = message_range(&context, 1, &mut cx);
3225        assert_copy_paste_text_thread_editor(
3226            &text_thread_editor,
3227            message_2_range.start..message_2_range.start,
3228            indoc! {"
3229                user1
3230                assistant1
3231                assistant2
3232                assistant1
3233            "},
3234            &mut cx,
3235        );
3236
3237        // Copy and cut second assistant message
3238        let message_3_range = message_range(&context, 2, &mut cx);
3239        assert_copy_paste_text_thread_editor(
3240            &text_thread_editor,
3241            message_3_range.start..message_3_range.start,
3242            indoc! {"
3243                user1
3244                assistant1
3245                assistant2
3246                assistant1
3247                assistant2
3248            "},
3249            &mut cx,
3250        );
3251    }
3252
3253    #[gpui::test]
3254    fn test_find_code_blocks(cx: &mut App) {
3255        let markdown = languages::language("markdown", tree_sitter_md::LANGUAGE.into());
3256
3257        let buffer = cx.new(|cx| {
3258            let text = r#"
3259                line 0
3260                line 1
3261                ```rust
3262                fn main() {}
3263                ```
3264                line 5
3265                line 6
3266                line 7
3267                ```go
3268                func main() {}
3269                ```
3270                line 11
3271                ```
3272                this is plain text code block
3273                ```
3274
3275                ```go
3276                func another() {}
3277                ```
3278                line 19
3279            "#
3280            .unindent();
3281            let mut buffer = Buffer::local(text, cx);
3282            buffer.set_language(Some(markdown.clone()), cx);
3283            buffer
3284        });
3285        let snapshot = buffer.read(cx).snapshot();
3286
3287        let code_blocks = vec![
3288            Point::new(3, 0)..Point::new(4, 0),
3289            Point::new(9, 0)..Point::new(10, 0),
3290            Point::new(13, 0)..Point::new(14, 0),
3291            Point::new(17, 0)..Point::new(18, 0),
3292        ]
3293        .into_iter()
3294        .map(|range| snapshot.point_to_offset(range.start)..snapshot.point_to_offset(range.end))
3295        .collect::<Vec<_>>();
3296
3297        let expected_results = vec![
3298            (0, None),
3299            (1, None),
3300            (2, Some(code_blocks[0].clone())),
3301            (3, Some(code_blocks[0].clone())),
3302            (4, Some(code_blocks[0].clone())),
3303            (5, None),
3304            (6, None),
3305            (7, None),
3306            (8, Some(code_blocks[1].clone())),
3307            (9, Some(code_blocks[1].clone())),
3308            (10, Some(code_blocks[1].clone())),
3309            (11, None),
3310            (12, Some(code_blocks[2].clone())),
3311            (13, Some(code_blocks[2].clone())),
3312            (14, Some(code_blocks[2].clone())),
3313            (15, None),
3314            (16, Some(code_blocks[3].clone())),
3315            (17, Some(code_blocks[3].clone())),
3316            (18, Some(code_blocks[3].clone())),
3317            (19, None),
3318        ];
3319
3320        for (row, expected) in expected_results {
3321            let offset = snapshot.point_to_offset(Point::new(row, 0));
3322            let range = find_surrounding_code_block(&snapshot, offset);
3323            assert_eq!(range, expected, "unexpected result on row {:?}", row);
3324        }
3325    }
3326
3327    async fn setup_text_thread_editor_text(
3328        messages: Vec<(Role, &str)>,
3329        cx: &mut TestAppContext,
3330    ) -> (
3331        Entity<TextThread>,
3332        Entity<TextThreadEditor>,
3333        VisualTestContext,
3334    ) {
3335        cx.update(init_test);
3336
3337        let fs = FakeFs::new(cx.executor());
3338        let text_thread = create_text_thread_with_messages(messages, cx);
3339
3340        let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
3341        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
3342        let workspace = window.root(cx).unwrap();
3343        let mut cx = VisualTestContext::from_window(*window, cx);
3344
3345        let text_thread_editor = window
3346            .update(&mut cx, |_, window, cx| {
3347                cx.new(|cx| {
3348                    TextThreadEditor::for_text_thread(
3349                        text_thread.clone(),
3350                        fs,
3351                        workspace.downgrade(),
3352                        project,
3353                        None,
3354                        window,
3355                        cx,
3356                    )
3357                })
3358            })
3359            .unwrap();
3360
3361        (text_thread, text_thread_editor, cx)
3362    }
3363
3364    fn message_range(
3365        text_thread: &Entity<TextThread>,
3366        message_ix: usize,
3367        cx: &mut TestAppContext,
3368    ) -> Range<MultiBufferOffset> {
3369        let range = text_thread.update(cx, |text_thread, cx| {
3370            text_thread
3371                .messages(cx)
3372                .nth(message_ix)
3373                .unwrap()
3374                .anchor_range
3375                .to_offset(&text_thread.buffer().read(cx).snapshot())
3376        });
3377        MultiBufferOffset(range.start)..MultiBufferOffset(range.end)
3378    }
3379
3380    fn assert_copy_paste_text_thread_editor<T: editor::ToOffset>(
3381        text_thread_editor: &Entity<TextThreadEditor>,
3382        range: Range<T>,
3383        expected_text: &str,
3384        cx: &mut VisualTestContext,
3385    ) {
3386        text_thread_editor.update_in(cx, |text_thread_editor, window, cx| {
3387            text_thread_editor.editor.update(cx, |editor, cx| {
3388                editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
3389                    s.select_ranges([range])
3390                });
3391            });
3392
3393            text_thread_editor.copy(&Default::default(), window, cx);
3394
3395            text_thread_editor.editor.update(cx, |editor, cx| {
3396                editor.move_to_end(&Default::default(), window, cx);
3397            });
3398
3399            text_thread_editor.paste(&Default::default(), window, cx);
3400
3401            text_thread_editor.editor.update(cx, |editor, cx| {
3402                assert_eq!(editor.text(cx), expected_text);
3403            });
3404        });
3405    }
3406
3407    fn create_text_thread_with_messages(
3408        mut messages: Vec<(Role, &str)>,
3409        cx: &mut TestAppContext,
3410    ) -> Entity<TextThread> {
3411        let registry = Arc::new(LanguageRegistry::test(cx.executor()));
3412        let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
3413        cx.new(|cx| {
3414            let mut text_thread = TextThread::local(
3415                registry,
3416                prompt_builder.clone(),
3417                Arc::new(SlashCommandWorkingSet::default()),
3418                cx,
3419            );
3420            let mut message_1 = text_thread.messages(cx).next().unwrap();
3421            let (role, text) = messages.remove(0);
3422
3423            loop {
3424                if role == message_1.role {
3425                    text_thread.buffer().update(cx, |buffer, cx| {
3426                        buffer.edit([(message_1.offset_range, text)], None, cx);
3427                    });
3428                    break;
3429                }
3430                let mut ids = HashSet::default();
3431                ids.insert(message_1.id);
3432                text_thread.cycle_message_roles(ids, cx);
3433                message_1 = text_thread.messages(cx).next().unwrap();
3434            }
3435
3436            let mut last_message_id = message_1.id;
3437            for (role, text) in messages {
3438                text_thread.insert_message_after(last_message_id, role, MessageStatus::Done, cx);
3439                let message = text_thread.messages(cx).last().unwrap();
3440                last_message_id = message.id;
3441                text_thread.buffer().update(cx, |buffer, cx| {
3442                    buffer.edit([(message.offset_range, text)], None, cx);
3443                })
3444            }
3445
3446            text_thread
3447        })
3448    }
3449
3450    fn init_test(cx: &mut App) {
3451        let settings_store = SettingsStore::test(cx);
3452        prompt_store::init(cx);
3453        editor::init(cx);
3454        LanguageModelRegistry::test(cx);
3455        cx.set_global(settings_store);
3456
3457        theme::init(theme::LoadThemes::JustBase, cx);
3458    }
3459
3460    #[gpui::test]
3461    async fn test_quote_terminal_text(cx: &mut TestAppContext) {
3462        let (_context, text_thread_editor, mut cx) =
3463            setup_text_thread_editor_text(vec![(Role::User, "")], cx).await;
3464
3465        let terminal_output = "$ ls -la\ntotal 0\ndrwxr-xr-x  2 user user  40 Jan  1 00:00 .";
3466
3467        text_thread_editor.update_in(&mut cx, |text_thread_editor, window, cx| {
3468            text_thread_editor.quote_terminal_text(terminal_output.to_string(), window, cx);
3469
3470            text_thread_editor.editor.update(cx, |editor, cx| {
3471                let text = editor.text(cx);
3472                // The text should contain the terminal output wrapped in a code block
3473                assert!(
3474                    text.contains(&format!("```console\n{}\n```", terminal_output)),
3475                    "Terminal text should be wrapped in code block. Got: {}",
3476                    text
3477                );
3478            });
3479        });
3480    }
3481}