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,
  64    searchable::{Direction, 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            cx,
1393        );
1394    }
1395
1396    pub fn handle_insert_dragged_files(
1397        workspace: &mut Workspace,
1398        action: &InsertDraggedFiles,
1399        window: &mut Window,
1400        cx: &mut Context<Workspace>,
1401    ) {
1402        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1403            return;
1404        };
1405        let Some(context_editor_view) =
1406            agent_panel_delegate.active_text_thread_editor(workspace, window, cx)
1407        else {
1408            return;
1409        };
1410
1411        let project = context_editor_view.read(cx).project.clone();
1412
1413        let paths = match action {
1414            InsertDraggedFiles::ProjectPaths(paths) => Task::ready((paths.clone(), vec![])),
1415            InsertDraggedFiles::ExternalFiles(paths) => {
1416                let tasks = paths
1417                    .clone()
1418                    .into_iter()
1419                    .map(|path| Workspace::project_path_for_path(project.clone(), &path, false, cx))
1420                    .collect::<Vec<_>>();
1421
1422                cx.background_spawn(async move {
1423                    let mut paths = vec![];
1424                    let mut worktrees = vec![];
1425
1426                    let opened_paths = futures::future::join_all(tasks).await;
1427
1428                    for entry in opened_paths {
1429                        if let Some((worktree, project_path)) = entry.log_err() {
1430                            worktrees.push(worktree);
1431                            paths.push(project_path);
1432                        }
1433                    }
1434
1435                    (paths, worktrees)
1436                })
1437            }
1438        };
1439
1440        context_editor_view.update(cx, |_, cx| {
1441            cx.spawn_in(window, async move |this, cx| {
1442                let (paths, dragged_file_worktrees) = paths.await;
1443                this.update_in(cx, |this, window, cx| {
1444                    this.insert_dragged_files(paths, dragged_file_worktrees, window, cx);
1445                })
1446                .ok();
1447            })
1448            .detach();
1449        })
1450    }
1451
1452    pub fn insert_dragged_files(
1453        &mut self,
1454        opened_paths: Vec<ProjectPath>,
1455        added_worktrees: Vec<Entity<Worktree>>,
1456        window: &mut Window,
1457        cx: &mut Context<Self>,
1458    ) {
1459        let mut file_slash_command_args = vec![];
1460        for project_path in opened_paths.into_iter() {
1461            let Some(worktree) = self
1462                .project
1463                .read(cx)
1464                .worktree_for_id(project_path.worktree_id, cx)
1465            else {
1466                continue;
1467            };
1468            let path_style = worktree.read(cx).path_style();
1469            let full_path = worktree
1470                .read(cx)
1471                .root_name()
1472                .join(&project_path.path)
1473                .display(path_style)
1474                .into_owned();
1475            file_slash_command_args.push(full_path);
1476        }
1477
1478        let cmd_name = FileSlashCommand.name();
1479
1480        let file_argument = file_slash_command_args.join(" ");
1481
1482        self.editor.update(cx, |editor, cx| {
1483            editor.insert("\n", window, cx);
1484            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
1485        });
1486        self.confirm_command(&ConfirmCommand, window, cx);
1487        self.dragged_file_worktrees.extend(added_worktrees);
1488    }
1489
1490    pub fn quote_selection(
1491        workspace: &mut Workspace,
1492        _: &AddSelectionToThread,
1493        window: &mut Window,
1494        cx: &mut Context<Workspace>,
1495    ) {
1496        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1497            return;
1498        };
1499
1500        // Get buffer info for the delegate call (even if empty, AcpThreadView ignores these
1501        // params and calls insert_selections which handles both terminal and buffer)
1502        if let Some((selections, buffer)) = maybe!({
1503            let editor = workspace
1504                .active_item(cx)
1505                .and_then(|item| item.act_as::<Editor>(cx))?;
1506
1507            let buffer = editor.read(cx).buffer().clone();
1508            let snapshot = buffer.read(cx).snapshot(cx);
1509            let selections = editor.update(cx, |editor, cx| {
1510                editor
1511                    .selections
1512                    .all_adjusted(&editor.display_snapshot(cx))
1513                    .into_iter()
1514                    .filter_map(|s| {
1515                        (!s.is_empty())
1516                            .then(|| snapshot.anchor_after(s.start)..snapshot.anchor_before(s.end))
1517                    })
1518                    .collect::<Vec<_>>()
1519            });
1520            Some((selections, buffer))
1521        }) {
1522            agent_panel_delegate.quote_selection(workspace, selections, buffer, window, cx);
1523        }
1524    }
1525
1526    pub fn quote_ranges(
1527        &mut self,
1528        ranges: Vec<Range<Point>>,
1529        snapshot: MultiBufferSnapshot,
1530        window: &mut Window,
1531        cx: &mut Context<Self>,
1532    ) {
1533        let creases = selections_creases(ranges, snapshot, cx);
1534
1535        self.editor.update(cx, |editor, cx| {
1536            editor.insert("\n", window, cx);
1537            for (text, crease_title) in creases {
1538                let point = editor
1539                    .selections
1540                    .newest::<Point>(&editor.display_snapshot(cx))
1541                    .head();
1542                let start_row = MultiBufferRow(point.row);
1543
1544                editor.insert(&text, window, cx);
1545
1546                let snapshot = editor.buffer().read(cx).snapshot(cx);
1547                let anchor_before = snapshot.anchor_after(point);
1548                let anchor_after = editor
1549                    .selections
1550                    .newest_anchor()
1551                    .head()
1552                    .bias_left(&snapshot);
1553
1554                editor.insert("\n", window, cx);
1555
1556                let fold_placeholder =
1557                    quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1558                let crease = Crease::inline(
1559                    anchor_before..anchor_after,
1560                    fold_placeholder,
1561                    render_quote_selection_output_toggle,
1562                    |_, _, _, _| Empty.into_any(),
1563                );
1564                editor.insert_creases(vec![crease], cx);
1565                editor.fold_at(start_row, window, cx);
1566            }
1567        })
1568    }
1569
1570    pub fn quote_terminal_text(
1571        &mut self,
1572        text: String,
1573        window: &mut Window,
1574        cx: &mut Context<Self>,
1575    ) {
1576        let crease_title = "terminal".to_string();
1577        let formatted_text = format!("```console\n{}\n```\n", text);
1578
1579        self.editor.update(cx, |editor, cx| {
1580            // Insert newline first if not at the start of a line
1581            let point = editor
1582                .selections
1583                .newest::<Point>(&editor.display_snapshot(cx))
1584                .head();
1585            if point.column > 0 {
1586                editor.insert("\n", window, cx);
1587            }
1588
1589            let point = editor
1590                .selections
1591                .newest::<Point>(&editor.display_snapshot(cx))
1592                .head();
1593            let start_row = MultiBufferRow(point.row);
1594
1595            editor.insert(&formatted_text, window, cx);
1596
1597            let snapshot = editor.buffer().read(cx).snapshot(cx);
1598            let anchor_before = snapshot.anchor_after(point);
1599            let anchor_after = editor
1600                .selections
1601                .newest_anchor()
1602                .head()
1603                .bias_left(&snapshot);
1604
1605            let fold_placeholder =
1606                quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1607            let crease = Crease::inline(
1608                anchor_before..anchor_after,
1609                fold_placeholder,
1610                render_quote_selection_output_toggle,
1611                |_, _, _, _| Empty.into_any(),
1612            );
1613            editor.insert_creases(vec![crease], cx);
1614            editor.fold_at(start_row, window, cx);
1615        })
1616    }
1617
1618    fn copy(&mut self, _: &editor::actions::Copy, _window: &mut Window, cx: &mut Context<Self>) {
1619        if self.editor.read(cx).selections.count() == 1 {
1620            let (copied_text, metadata, _) = self.get_clipboard_contents(cx);
1621            cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1622                copied_text,
1623                metadata,
1624            ));
1625            cx.stop_propagation();
1626            return;
1627        }
1628
1629        cx.propagate();
1630    }
1631
1632    fn cut(&mut self, _: &editor::actions::Cut, window: &mut Window, cx: &mut Context<Self>) {
1633        if self.editor.read(cx).selections.count() == 1 {
1634            let (copied_text, metadata, selections) = self.get_clipboard_contents(cx);
1635
1636            self.editor.update(cx, |editor, cx| {
1637                editor.transact(window, cx, |this, window, cx| {
1638                    this.change_selections(Default::default(), window, cx, |s| {
1639                        s.select(selections);
1640                    });
1641                    this.insert("", window, cx);
1642                    cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1643                        copied_text,
1644                        metadata,
1645                    ));
1646                });
1647            });
1648
1649            cx.stop_propagation();
1650            return;
1651        }
1652
1653        cx.propagate();
1654    }
1655
1656    fn get_clipboard_contents(
1657        &mut self,
1658        cx: &mut Context<Self>,
1659    ) -> (
1660        String,
1661        CopyMetadata,
1662        Vec<text::Selection<MultiBufferOffset>>,
1663    ) {
1664        let (mut selection, creases) = self.editor.update(cx, |editor, cx| {
1665            let mut selection = editor
1666                .selections
1667                .newest_adjusted(&editor.display_snapshot(cx));
1668            let snapshot = editor.buffer().read(cx).snapshot(cx);
1669
1670            selection.goal = SelectionGoal::None;
1671
1672            let selection_start = snapshot.point_to_offset(selection.start);
1673
1674            (
1675                selection.map(|point| snapshot.point_to_offset(point)),
1676                editor.display_map.update(cx, |display_map, cx| {
1677                    display_map
1678                        .snapshot(cx)
1679                        .crease_snapshot
1680                        .creases_in_range(
1681                            MultiBufferRow(selection.start.row)
1682                                ..MultiBufferRow(selection.end.row + 1),
1683                            &snapshot,
1684                        )
1685                        .filter_map(|crease| {
1686                            if let Crease::Inline {
1687                                range, metadata, ..
1688                            } = &crease
1689                            {
1690                                let metadata = metadata.as_ref()?;
1691                                let start = range
1692                                    .start
1693                                    .to_offset(&snapshot)
1694                                    .saturating_sub(selection_start);
1695                                let end = range
1696                                    .end
1697                                    .to_offset(&snapshot)
1698                                    .saturating_sub(selection_start);
1699
1700                                let range_relative_to_selection = start..end;
1701                                if !range_relative_to_selection.is_empty() {
1702                                    return Some(SelectedCreaseMetadata {
1703                                        range_relative_to_selection,
1704                                        crease: metadata.clone(),
1705                                    });
1706                                }
1707                            }
1708                            None
1709                        })
1710                        .collect::<Vec<_>>()
1711                }),
1712            )
1713        });
1714
1715        let text_thread = self.text_thread.read(cx);
1716
1717        let mut text = String::new();
1718
1719        // If selection is empty, we want to copy the entire line
1720        if selection.range().is_empty() {
1721            let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
1722            let point = snapshot.offset_to_point(selection.range().start);
1723            selection.start = snapshot.point_to_offset(Point::new(point.row, 0));
1724            selection.end = snapshot
1725                .point_to_offset(cmp::min(Point::new(point.row + 1, 0), snapshot.max_point()));
1726            for chunk in snapshot.text_for_range(selection.range()) {
1727                text.push_str(chunk);
1728            }
1729        } else {
1730            for message in text_thread.messages(cx) {
1731                if message.offset_range.start >= selection.range().end.0 {
1732                    break;
1733                } else if message.offset_range.end >= selection.range().start.0 {
1734                    let range = cmp::max(message.offset_range.start, selection.range().start.0)
1735                        ..cmp::min(message.offset_range.end, selection.range().end.0);
1736                    if !range.is_empty() {
1737                        for chunk in text_thread.buffer().read(cx).text_for_range(range) {
1738                            text.push_str(chunk);
1739                        }
1740                        if message.offset_range.end < selection.range().end.0 {
1741                            text.push('\n');
1742                        }
1743                    }
1744                }
1745            }
1746        }
1747        (text, CopyMetadata { creases }, vec![selection])
1748    }
1749
1750    fn paste(
1751        &mut self,
1752        action: &editor::actions::Paste,
1753        window: &mut Window,
1754        cx: &mut Context<Self>,
1755    ) {
1756        let Some(workspace) = self.workspace.upgrade() else {
1757            return;
1758        };
1759        let editor_clipboard_selections = cx
1760            .read_from_clipboard()
1761            .and_then(|item| item.entries().first().cloned())
1762            .and_then(|entry| match entry {
1763                ClipboardEntry::String(text) => {
1764                    text.metadata_json::<Vec<editor::ClipboardSelection>>()
1765                }
1766                _ => None,
1767            });
1768
1769        // Insert creases for pasted clipboard selections that:
1770        // 1. Contain exactly one selection
1771        // 2. Have an associated file path
1772        // 3. Span multiple lines (not single-line selections)
1773        // 4. Belong to a file that exists in the current project
1774        let should_insert_creases = util::maybe!({
1775            let selections = editor_clipboard_selections.as_ref()?;
1776            if selections.len() > 1 {
1777                return Some(false);
1778            }
1779            let selection = selections.first()?;
1780            let file_path = selection.file_path.as_ref()?;
1781            let line_range = selection.line_range.as_ref()?;
1782
1783            if line_range.start() == line_range.end() {
1784                return Some(false);
1785            }
1786
1787            Some(
1788                workspace
1789                    .read(cx)
1790                    .project()
1791                    .read(cx)
1792                    .project_path_for_absolute_path(file_path, cx)
1793                    .is_some(),
1794            )
1795        })
1796        .unwrap_or(false);
1797
1798        if should_insert_creases && let Some(clipboard_item) = cx.read_from_clipboard() {
1799            if let Some(ClipboardEntry::String(clipboard_text)) = clipboard_item.entries().first() {
1800                if let Some(selections) = editor_clipboard_selections {
1801                    cx.stop_propagation();
1802
1803                    let text = clipboard_text.text();
1804                    self.editor.update(cx, |editor, cx| {
1805                        let mut current_offset = 0;
1806                        let weak_editor = cx.entity().downgrade();
1807
1808                        for selection in selections {
1809                            if let (Some(file_path), Some(line_range)) =
1810                                (selection.file_path, selection.line_range)
1811                            {
1812                                let selected_text =
1813                                    &text[current_offset..current_offset + selection.len];
1814                                let fence = assistant_slash_commands::codeblock_fence_for_path(
1815                                    file_path.to_str(),
1816                                    Some(line_range.clone()),
1817                                );
1818                                let formatted_text = format!("{fence}{selected_text}\n```");
1819
1820                                let insert_point = editor
1821                                    .selections
1822                                    .newest::<Point>(&editor.display_snapshot(cx))
1823                                    .head();
1824                                let start_row = MultiBufferRow(insert_point.row);
1825
1826                                editor.insert(&formatted_text, window, cx);
1827
1828                                let snapshot = editor.buffer().read(cx).snapshot(cx);
1829                                let anchor_before = snapshot.anchor_after(insert_point);
1830                                let anchor_after = editor
1831                                    .selections
1832                                    .newest_anchor()
1833                                    .head()
1834                                    .bias_left(&snapshot);
1835
1836                                editor.insert("\n", window, cx);
1837
1838                                let crease_text = acp_thread::selection_name(
1839                                    Some(file_path.as_ref()),
1840                                    &line_range,
1841                                );
1842
1843                                let fold_placeholder = quote_selection_fold_placeholder(
1844                                    crease_text,
1845                                    weak_editor.clone(),
1846                                );
1847                                let crease = Crease::inline(
1848                                    anchor_before..anchor_after,
1849                                    fold_placeholder,
1850                                    render_quote_selection_output_toggle,
1851                                    |_, _, _, _| Empty.into_any(),
1852                                );
1853                                editor.insert_creases(vec![crease], cx);
1854                                editor.fold_at(start_row, window, cx);
1855
1856                                current_offset += selection.len;
1857                                if !selection.is_entire_line && current_offset < text.len() {
1858                                    current_offset += 1;
1859                                }
1860                            }
1861                        }
1862                    });
1863                    return;
1864                }
1865            }
1866        }
1867
1868        cx.stop_propagation();
1869
1870        let mut images = if let Some(item) = cx.read_from_clipboard() {
1871            item.into_entries()
1872                .filter_map(|entry| {
1873                    if let ClipboardEntry::Image(image) = entry {
1874                        Some(image)
1875                    } else {
1876                        None
1877                    }
1878                })
1879                .collect()
1880        } else {
1881            Vec::new()
1882        };
1883
1884        if let Some(paths) = cx.read_from_clipboard() {
1885            for path in paths
1886                .into_entries()
1887                .filter_map(|entry| {
1888                    if let ClipboardEntry::ExternalPaths(paths) = entry {
1889                        Some(paths.paths().to_owned())
1890                    } else {
1891                        None
1892                    }
1893                })
1894                .flatten()
1895            {
1896                let Ok(content) = std::fs::read(path) else {
1897                    continue;
1898                };
1899                let Ok(format) = image::guess_format(&content) else {
1900                    continue;
1901                };
1902                images.push(gpui::Image::from_bytes(
1903                    match format {
1904                        image::ImageFormat::Png => gpui::ImageFormat::Png,
1905                        image::ImageFormat::Jpeg => gpui::ImageFormat::Jpeg,
1906                        image::ImageFormat::WebP => gpui::ImageFormat::Webp,
1907                        image::ImageFormat::Gif => gpui::ImageFormat::Gif,
1908                        image::ImageFormat::Bmp => gpui::ImageFormat::Bmp,
1909                        image::ImageFormat::Tiff => gpui::ImageFormat::Tiff,
1910                        image::ImageFormat::Ico => gpui::ImageFormat::Ico,
1911                        _ => continue,
1912                    },
1913                    content,
1914                ));
1915            }
1916        }
1917
1918        let metadata = if let Some(item) = cx.read_from_clipboard() {
1919            item.entries().first().and_then(|entry| {
1920                if let ClipboardEntry::String(text) = entry {
1921                    text.metadata_json::<CopyMetadata>()
1922                } else {
1923                    None
1924                }
1925            })
1926        } else {
1927            None
1928        };
1929
1930        if images.is_empty() {
1931            self.editor.update(cx, |editor, cx| {
1932                let paste_position = editor
1933                    .selections
1934                    .newest::<MultiBufferOffset>(&editor.display_snapshot(cx))
1935                    .head();
1936                editor.paste(action, window, cx);
1937
1938                if let Some(metadata) = metadata {
1939                    let buffer = editor.buffer().read(cx).snapshot(cx);
1940
1941                    let mut buffer_rows_to_fold = BTreeSet::new();
1942                    let weak_editor = cx.entity().downgrade();
1943                    editor.insert_creases(
1944                        metadata.creases.into_iter().map(|metadata| {
1945                            let start = buffer.anchor_after(
1946                                paste_position + metadata.range_relative_to_selection.start,
1947                            );
1948                            let end = buffer.anchor_before(
1949                                paste_position + metadata.range_relative_to_selection.end,
1950                            );
1951
1952                            let buffer_row = MultiBufferRow(start.to_point(&buffer).row);
1953                            buffer_rows_to_fold.insert(buffer_row);
1954                            Crease::inline(
1955                                start..end,
1956                                FoldPlaceholder {
1957                                    render: render_fold_icon_button(
1958                                        weak_editor.clone(),
1959                                        metadata.crease.icon_path.clone(),
1960                                        metadata.crease.label.clone(),
1961                                    ),
1962                                    ..Default::default()
1963                                },
1964                                render_slash_command_output_toggle,
1965                                |_, _, _, _| Empty.into_any(),
1966                            )
1967                            .with_metadata(metadata.crease)
1968                        }),
1969                        cx,
1970                    );
1971                    for buffer_row in buffer_rows_to_fold.into_iter().rev() {
1972                        editor.fold_at(buffer_row, window, cx);
1973                    }
1974                }
1975            });
1976        } else {
1977            let mut image_positions = Vec::new();
1978            self.editor.update(cx, |editor, cx| {
1979                editor.transact(window, cx, |editor, _window, cx| {
1980                    let edits = editor
1981                        .selections
1982                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1983                        .into_iter()
1984                        .map(|selection| (selection.start..selection.end, "\n"));
1985                    editor.edit(edits, cx);
1986
1987                    let snapshot = editor.buffer().read(cx).snapshot(cx);
1988                    for selection in editor
1989                        .selections
1990                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1991                    {
1992                        image_positions.push(snapshot.anchor_before(selection.end));
1993                    }
1994                });
1995            });
1996
1997            self.text_thread.update(cx, |text_thread, cx| {
1998                for image in images {
1999                    let Some(render_image) = image.to_image_data(cx.svg_renderer()).log_err()
2000                    else {
2001                        continue;
2002                    };
2003                    let image_id = image.id();
2004                    let image_task = LanguageModelImage::from_image(Arc::new(image), cx).shared();
2005
2006                    for image_position in image_positions.iter() {
2007                        text_thread.insert_content(
2008                            Content::Image {
2009                                anchor: image_position.text_anchor,
2010                                image_id,
2011                                image: image_task.clone(),
2012                                render_image: render_image.clone(),
2013                            },
2014                            cx,
2015                        );
2016                    }
2017                }
2018            });
2019        }
2020    }
2021
2022    fn paste_raw(&mut self, _: &PasteRaw, window: &mut Window, cx: &mut Context<Self>) {
2023        self.editor.update(cx, |editor, cx| {
2024            editor.paste(&editor::actions::Paste, window, cx);
2025        });
2026    }
2027
2028    fn update_image_blocks(&mut self, cx: &mut Context<Self>) {
2029        self.editor.update(cx, |editor, cx| {
2030            let buffer = editor.buffer().read(cx).snapshot(cx);
2031            let excerpt_id = *buffer.as_singleton().unwrap().0;
2032            let old_blocks = std::mem::take(&mut self.image_blocks);
2033            let new_blocks = self
2034                .text_thread
2035                .read(cx)
2036                .contents(cx)
2037                .map(
2038                    |Content::Image {
2039                         anchor,
2040                         render_image,
2041                         ..
2042                     }| (anchor, render_image),
2043                )
2044                .filter_map(|(anchor, render_image)| {
2045                    const MAX_HEIGHT_IN_LINES: u32 = 8;
2046                    let anchor = buffer.anchor_in_excerpt(excerpt_id, anchor).unwrap();
2047                    let image = render_image;
2048                    anchor.is_valid(&buffer).then(|| BlockProperties {
2049                        placement: BlockPlacement::Above(anchor),
2050                        height: Some(MAX_HEIGHT_IN_LINES),
2051                        style: BlockStyle::Sticky,
2052                        render: Arc::new(move |cx| {
2053                            let image_size = size_for_image(
2054                                &image,
2055                                size(
2056                                    cx.max_width - cx.margins.gutter.full_width(),
2057                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
2058                                ),
2059                            );
2060                            h_flex()
2061                                .pl(cx.margins.gutter.full_width())
2062                                .child(
2063                                    img(image.clone())
2064                                        .object_fit(gpui::ObjectFit::ScaleDown)
2065                                        .w(image_size.width)
2066                                        .h(image_size.height),
2067                                )
2068                                .into_any_element()
2069                        }),
2070                        priority: 0,
2071                    })
2072                })
2073                .collect::<Vec<_>>();
2074
2075            editor.remove_blocks(old_blocks, None, cx);
2076            let ids = editor.insert_blocks(new_blocks, None, cx);
2077            self.image_blocks = HashSet::from_iter(ids);
2078        });
2079    }
2080
2081    fn split(&mut self, _: &Split, _window: &mut Window, cx: &mut Context<Self>) {
2082        self.text_thread.update(cx, |text_thread, cx| {
2083            let selections = self.editor.read(cx).selections.disjoint_anchors_arc();
2084            for selection in selections.as_ref() {
2085                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2086                let range = selection
2087                    .map(|endpoint| endpoint.to_offset(&buffer))
2088                    .range();
2089                text_thread.split_message(range.start.0..range.end.0, cx);
2090            }
2091        });
2092    }
2093
2094    fn save(&mut self, _: &Save, _window: &mut Window, cx: &mut Context<Self>) {
2095        self.text_thread.update(cx, |text_thread, cx| {
2096            text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
2097        });
2098    }
2099
2100    pub fn title(&self, cx: &App) -> SharedString {
2101        self.text_thread.read(cx).summary().or_default()
2102    }
2103
2104    pub fn regenerate_summary(&mut self, cx: &mut Context<Self>) {
2105        self.text_thread
2106            .update(cx, |text_thread, cx| text_thread.summarize(true, cx));
2107    }
2108
2109    fn render_remaining_tokens(&self, cx: &App) -> Option<impl IntoElement + use<>> {
2110        let (token_count_color, token_count, max_token_count, tooltip) =
2111            match token_state(&self.text_thread, cx)? {
2112                TokenState::NoTokensLeft {
2113                    max_token_count,
2114                    token_count,
2115                } => (
2116                    Color::Error,
2117                    token_count,
2118                    max_token_count,
2119                    Some("Token Limit Reached"),
2120                ),
2121                TokenState::HasMoreTokens {
2122                    max_token_count,
2123                    token_count,
2124                    over_warn_threshold,
2125                } => {
2126                    let (color, tooltip) = if over_warn_threshold {
2127                        (Color::Warning, Some("Token Limit is Close to Exhaustion"))
2128                    } else {
2129                        (Color::Muted, None)
2130                    };
2131                    (color, token_count, max_token_count, tooltip)
2132                }
2133            };
2134
2135        Some(
2136            h_flex()
2137                .id("token-count")
2138                .gap_0p5()
2139                .child(
2140                    Label::new(humanize_token_count(token_count))
2141                        .size(LabelSize::Small)
2142                        .color(token_count_color),
2143                )
2144                .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2145                .child(
2146                    Label::new(humanize_token_count(max_token_count))
2147                        .size(LabelSize::Small)
2148                        .color(Color::Muted),
2149                )
2150                .when_some(tooltip, |element, tooltip| {
2151                    element.tooltip(Tooltip::text(tooltip))
2152                }),
2153        )
2154    }
2155
2156    fn render_send_button(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2157        let focus_handle = self.focus_handle(cx);
2158
2159        let (style, tooltip) = match token_state(&self.text_thread, cx) {
2160            Some(TokenState::NoTokensLeft { .. }) => (
2161                ButtonStyle::Tinted(TintColor::Error),
2162                Some(Tooltip::text("Token limit reached")(window, cx)),
2163            ),
2164            Some(TokenState::HasMoreTokens {
2165                over_warn_threshold,
2166                ..
2167            }) => {
2168                let (style, tooltip) = if over_warn_threshold {
2169                    (
2170                        ButtonStyle::Tinted(TintColor::Warning),
2171                        Some(Tooltip::text("Token limit is close to exhaustion")(
2172                            window, cx,
2173                        )),
2174                    )
2175                } else {
2176                    (ButtonStyle::Filled, None)
2177                };
2178                (style, tooltip)
2179            }
2180            None => (ButtonStyle::Filled, None),
2181        };
2182
2183        Button::new("send_button", "Send")
2184            .label_size(LabelSize::Small)
2185            .disabled(self.sending_disabled(cx))
2186            .style(style)
2187            .when_some(tooltip, |button, tooltip| {
2188                button.tooltip(move |_, _| tooltip.clone())
2189            })
2190            .layer(ElevationIndex::ModalSurface)
2191            .key_binding(
2192                KeyBinding::for_action_in(&Assist, &focus_handle, cx)
2193                    .map(|kb| kb.size(rems_from_px(12.))),
2194            )
2195            .on_click(move |_event, window, cx| {
2196                focus_handle.dispatch_action(&Assist, window, cx);
2197            })
2198    }
2199
2200    /// Whether or not we should allow messages to be sent.
2201    /// Will return false if the selected provided has a configuration error or
2202    /// if the user has not accepted the terms of service for this provider.
2203    fn sending_disabled(&self, cx: &mut Context<'_, TextThreadEditor>) -> bool {
2204        let model_registry = LanguageModelRegistry::read_global(cx);
2205        let Some(configuration_error) =
2206            model_registry.configuration_error(model_registry.default_model(), cx)
2207        else {
2208            return false;
2209        };
2210
2211        match configuration_error {
2212            ConfigurationError::NoProvider
2213            | ConfigurationError::ModelNotFound
2214            | ConfigurationError::ProviderNotAuthenticated(_) => true,
2215        }
2216    }
2217
2218    fn render_inject_context_menu(&self, cx: &mut Context<Self>) -> impl IntoElement {
2219        slash_command_picker::SlashCommandSelector::new(
2220            self.slash_commands.clone(),
2221            cx.entity().downgrade(),
2222            IconButton::new("trigger", IconName::Plus)
2223                .icon_size(IconSize::Small)
2224                .icon_color(Color::Muted)
2225                .selected_icon_color(Color::Accent)
2226                .selected_style(ButtonStyle::Filled),
2227            move |_window, cx| {
2228                Tooltip::with_meta("Add Context", None, "Type / to insert via keyboard", cx)
2229            },
2230        )
2231    }
2232
2233    fn render_language_model_selector(
2234        &self,
2235        window: &mut Window,
2236        cx: &mut Context<Self>,
2237    ) -> impl IntoElement {
2238        let active_model = LanguageModelRegistry::read_global(cx)
2239            .default_model()
2240            .map(|default| default.model);
2241        let model_name = match active_model {
2242            Some(model) => model.name().0,
2243            None => SharedString::from("Select Model"),
2244        };
2245
2246        let active_provider = LanguageModelRegistry::read_global(cx)
2247            .default_model()
2248            .map(|default| default.provider);
2249
2250        let provider_icon = active_provider
2251            .as_ref()
2252            .map(|p| p.icon())
2253            .unwrap_or(IconOrSvg::Icon(IconName::Ai));
2254
2255        let focus_handle = self.editor().focus_handle(cx);
2256
2257        let (color, icon) = if self.language_model_selector_menu_handle.is_deployed() {
2258            (Color::Accent, IconName::ChevronUp)
2259        } else {
2260            (Color::Muted, IconName::ChevronDown)
2261        };
2262
2263        let provider_icon_element = match provider_icon {
2264            IconOrSvg::Svg(path) => Icon::from_external_svg(path),
2265            IconOrSvg::Icon(name) => Icon::new(name),
2266        }
2267        .color(color)
2268        .size(IconSize::XSmall);
2269
2270        let show_cycle_row = self
2271            .language_model_selector
2272            .read(cx)
2273            .delegate
2274            .favorites_count()
2275            > 1;
2276
2277        let tooltip = Tooltip::element({
2278            move |_, _cx| {
2279                ModelSelectorTooltip::new(focus_handle.clone())
2280                    .show_cycle_row(show_cycle_row)
2281                    .into_any_element()
2282            }
2283        });
2284
2285        PickerPopoverMenu::new(
2286            self.language_model_selector.clone(),
2287            ButtonLike::new("active-model")
2288                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
2289                .child(
2290                    h_flex()
2291                        .gap_0p5()
2292                        .child(provider_icon_element)
2293                        .child(
2294                            Label::new(model_name)
2295                                .color(color)
2296                                .size(LabelSize::Small)
2297                                .ml_0p5(),
2298                        )
2299                        .child(Icon::new(icon).color(color).size(IconSize::XSmall)),
2300                ),
2301            tooltip,
2302            gpui::Corner::BottomRight,
2303            cx,
2304        )
2305        .with_handle(self.language_model_selector_menu_handle.clone())
2306        .render(window, cx)
2307    }
2308
2309    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2310        let last_error = self.last_error.as_ref()?;
2311
2312        Some(
2313            div()
2314                .absolute()
2315                .right_3()
2316                .bottom_12()
2317                .max_w_96()
2318                .py_2()
2319                .px_3()
2320                .elevation_2(cx)
2321                .occlude()
2322                .child(match last_error {
2323                    AssistError::PaymentRequired => self.render_payment_required_error(cx),
2324                    AssistError::Message(error_message) => {
2325                        self.render_assist_error(error_message, cx)
2326                    }
2327                })
2328                .into_any(),
2329        )
2330    }
2331
2332    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
2333        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.";
2334
2335        v_flex()
2336            .gap_0p5()
2337            .child(
2338                h_flex()
2339                    .gap_1p5()
2340                    .items_center()
2341                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2342                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
2343            )
2344            .child(
2345                div()
2346                    .id("error-message")
2347                    .max_h_24()
2348                    .overflow_y_scroll()
2349                    .child(Label::new(ERROR_MESSAGE)),
2350            )
2351            .child(
2352                h_flex()
2353                    .justify_end()
2354                    .mt_1()
2355                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
2356                        |this, _, _window, cx| {
2357                            this.last_error = None;
2358                            cx.open_url(&zed_urls::account_url(cx));
2359                            cx.notify();
2360                        },
2361                    )))
2362                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2363                        |this, _, _window, cx| {
2364                            this.last_error = None;
2365                            cx.notify();
2366                        },
2367                    ))),
2368            )
2369            .into_any()
2370    }
2371
2372    fn render_assist_error(
2373        &self,
2374        error_message: &SharedString,
2375        cx: &mut Context<Self>,
2376    ) -> AnyElement {
2377        v_flex()
2378            .gap_0p5()
2379            .child(
2380                h_flex()
2381                    .gap_1p5()
2382                    .items_center()
2383                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2384                    .child(
2385                        Label::new("Error interacting with language model")
2386                            .weight(FontWeight::MEDIUM),
2387                    ),
2388            )
2389            .child(
2390                div()
2391                    .id("error-message")
2392                    .max_h_32()
2393                    .overflow_y_scroll()
2394                    .child(Label::new(error_message.clone())),
2395            )
2396            .child(
2397                h_flex()
2398                    .justify_end()
2399                    .mt_1()
2400                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2401                        |this, _, _window, cx| {
2402                            this.last_error = None;
2403                            cx.notify();
2404                        },
2405                    ))),
2406            )
2407            .into_any()
2408    }
2409}
2410
2411/// Returns the contents of the *outermost* fenced code block that contains the given offset.
2412fn find_surrounding_code_block(snapshot: &BufferSnapshot, offset: usize) -> Option<Range<usize>> {
2413    const CODE_BLOCK_NODE: &str = "fenced_code_block";
2414    const CODE_BLOCK_CONTENT: &str = "code_fence_content";
2415
2416    let layer = snapshot.syntax_layers().next()?;
2417
2418    let root_node = layer.node();
2419    let mut cursor = root_node.walk();
2420
2421    // Go to the first child for the given offset
2422    while cursor.goto_first_child_for_byte(offset).is_some() {
2423        // If we're at the end of the node, go to the next one.
2424        // Example: if you have a fenced-code-block, and you're on the start of the line
2425        // right after the closing ```, you want to skip the fenced-code-block and
2426        // go to the next sibling.
2427        if cursor.node().end_byte() == offset {
2428            cursor.goto_next_sibling();
2429        }
2430
2431        if cursor.node().start_byte() > offset {
2432            break;
2433        }
2434
2435        // We found the fenced code block.
2436        if cursor.node().kind() == CODE_BLOCK_NODE {
2437            // Now we need to find the child node that contains the code.
2438            cursor.goto_first_child();
2439            loop {
2440                if cursor.node().kind() == CODE_BLOCK_CONTENT {
2441                    return Some(cursor.node().byte_range());
2442                }
2443                if !cursor.goto_next_sibling() {
2444                    break;
2445                }
2446            }
2447        }
2448    }
2449
2450    None
2451}
2452
2453fn render_thought_process_fold_icon_button(
2454    editor: WeakEntity<Editor>,
2455    status: ThoughtProcessStatus,
2456) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2457    Arc::new(move |fold_id, fold_range, _cx| {
2458        let editor = editor.clone();
2459
2460        let button = ButtonLike::new(fold_id).layer(ElevationIndex::ElevatedSurface);
2461        let button = match status {
2462            ThoughtProcessStatus::Pending => button
2463                .child(
2464                    Icon::new(IconName::ToolThink)
2465                        .size(IconSize::Small)
2466                        .color(Color::Muted),
2467                )
2468                .child(
2469                    Label::new("Thinking…").color(Color::Muted).with_animation(
2470                        "pulsating-label",
2471                        Animation::new(Duration::from_secs(2))
2472                            .repeat()
2473                            .with_easing(pulsating_between(0.4, 0.8)),
2474                        |label, delta| label.alpha(delta),
2475                    ),
2476                ),
2477            ThoughtProcessStatus::Completed => button
2478                .style(ButtonStyle::Filled)
2479                .child(Icon::new(IconName::ToolThink).size(IconSize::Small))
2480                .child(Label::new("Thought Process").single_line()),
2481        };
2482
2483        button
2484            .on_click(move |_, window, cx| {
2485                editor
2486                    .update(cx, |editor, cx| {
2487                        let buffer_start = fold_range
2488                            .start
2489                            .to_point(&editor.buffer().read(cx).read(cx));
2490                        let buffer_row = MultiBufferRow(buffer_start.row);
2491                        editor.unfold_at(buffer_row, window, cx);
2492                    })
2493                    .ok();
2494            })
2495            .into_any_element()
2496    })
2497}
2498
2499fn render_fold_icon_button(
2500    editor: WeakEntity<Editor>,
2501    icon_path: SharedString,
2502    label: SharedString,
2503) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2504    Arc::new(move |fold_id, fold_range, _cx| {
2505        let editor = editor.clone();
2506        ButtonLike::new(fold_id)
2507            .style(ButtonStyle::Filled)
2508            .layer(ElevationIndex::ElevatedSurface)
2509            .child(Icon::from_path(icon_path.clone()))
2510            .child(Label::new(label.clone()).single_line())
2511            .on_click(move |_, window, cx| {
2512                editor
2513                    .update(cx, |editor, cx| {
2514                        let buffer_start = fold_range
2515                            .start
2516                            .to_point(&editor.buffer().read(cx).read(cx));
2517                        let buffer_row = MultiBufferRow(buffer_start.row);
2518                        editor.unfold_at(buffer_row, window, cx);
2519                    })
2520                    .ok();
2521            })
2522            .into_any_element()
2523    })
2524}
2525
2526type ToggleFold = Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>;
2527
2528fn render_slash_command_output_toggle(
2529    row: MultiBufferRow,
2530    is_folded: bool,
2531    fold: ToggleFold,
2532    _window: &mut Window,
2533    _cx: &mut App,
2534) -> AnyElement {
2535    Disclosure::new(
2536        ("slash-command-output-fold-indicator", row.0 as u64),
2537        !is_folded,
2538    )
2539    .toggle_state(is_folded)
2540    .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2541    .into_any_element()
2542}
2543
2544pub fn fold_toggle(
2545    name: &'static str,
2546) -> impl Fn(
2547    MultiBufferRow,
2548    bool,
2549    Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>,
2550    &mut Window,
2551    &mut App,
2552) -> AnyElement {
2553    move |row, is_folded, fold, _window, _cx| {
2554        Disclosure::new((name, row.0 as u64), !is_folded)
2555            .toggle_state(is_folded)
2556            .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2557            .into_any_element()
2558    }
2559}
2560
2561fn quote_selection_fold_placeholder(title: String, editor: WeakEntity<Editor>) -> FoldPlaceholder {
2562    FoldPlaceholder {
2563        render: Arc::new({
2564            move |fold_id, fold_range, _cx| {
2565                let editor = editor.clone();
2566                ButtonLike::new(fold_id)
2567                    .style(ButtonStyle::Filled)
2568                    .layer(ElevationIndex::ElevatedSurface)
2569                    .child(Icon::new(IconName::TextSnippet))
2570                    .child(Label::new(title.clone()).single_line())
2571                    .on_click(move |_, window, cx| {
2572                        editor
2573                            .update(cx, |editor, cx| {
2574                                let buffer_start = fold_range
2575                                    .start
2576                                    .to_point(&editor.buffer().read(cx).read(cx));
2577                                let buffer_row = MultiBufferRow(buffer_start.row);
2578                                editor.unfold_at(buffer_row, window, cx);
2579                            })
2580                            .ok();
2581                    })
2582                    .into_any_element()
2583            }
2584        }),
2585        merge_adjacent: false,
2586        ..Default::default()
2587    }
2588}
2589
2590fn render_quote_selection_output_toggle(
2591    row: MultiBufferRow,
2592    is_folded: bool,
2593    fold: ToggleFold,
2594    _window: &mut Window,
2595    _cx: &mut App,
2596) -> AnyElement {
2597    Disclosure::new(("quote-selection-indicator", row.0 as u64), !is_folded)
2598        .toggle_state(is_folded)
2599        .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2600        .into_any_element()
2601}
2602
2603fn render_pending_slash_command_gutter_decoration(
2604    row: MultiBufferRow,
2605    status: &PendingSlashCommandStatus,
2606    confirm_command: Arc<dyn Fn(&mut Window, &mut App)>,
2607) -> AnyElement {
2608    let mut icon = IconButton::new(
2609        ("slash-command-gutter-decoration", row.0),
2610        ui::IconName::TriangleRight,
2611    )
2612    .on_click(move |_e, window, cx| confirm_command(window, cx))
2613    .icon_size(ui::IconSize::Small)
2614    .size(ui::ButtonSize::None);
2615
2616    match status {
2617        PendingSlashCommandStatus::Idle => {
2618            icon = icon.icon_color(Color::Muted);
2619        }
2620        PendingSlashCommandStatus::Running { .. } => {
2621            icon = icon.toggle_state(true);
2622        }
2623        PendingSlashCommandStatus::Error(_) => icon = icon.icon_color(Color::Error),
2624    }
2625
2626    icon.into_any_element()
2627}
2628
2629#[derive(Debug, Clone, Serialize, Deserialize)]
2630struct CopyMetadata {
2631    creases: Vec<SelectedCreaseMetadata>,
2632}
2633
2634#[derive(Debug, Clone, Serialize, Deserialize)]
2635struct SelectedCreaseMetadata {
2636    range_relative_to_selection: Range<usize>,
2637    crease: CreaseMetadata,
2638}
2639
2640impl EventEmitter<EditorEvent> for TextThreadEditor {}
2641impl EventEmitter<SearchEvent> for TextThreadEditor {}
2642
2643impl Render for TextThreadEditor {
2644    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2645        let language_model_selector = self.language_model_selector_menu_handle.clone();
2646
2647        v_flex()
2648            .key_context("ContextEditor")
2649            .capture_action(cx.listener(TextThreadEditor::cancel))
2650            .capture_action(cx.listener(TextThreadEditor::save))
2651            .capture_action(cx.listener(TextThreadEditor::copy))
2652            .capture_action(cx.listener(TextThreadEditor::cut))
2653            .capture_action(cx.listener(TextThreadEditor::paste))
2654            .on_action(cx.listener(TextThreadEditor::paste_raw))
2655            .capture_action(cx.listener(TextThreadEditor::cycle_message_role))
2656            .capture_action(cx.listener(TextThreadEditor::confirm_command))
2657            .on_action(cx.listener(TextThreadEditor::assist))
2658            .on_action(cx.listener(TextThreadEditor::split))
2659            .on_action(move |_: &ToggleModelSelector, window, cx| {
2660                language_model_selector.toggle(window, cx);
2661            })
2662            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
2663                this.language_model_selector.update(cx, |selector, cx| {
2664                    selector.delegate.cycle_favorite_models(window, cx);
2665                });
2666            }))
2667            .size_full()
2668            .child(
2669                div()
2670                    .flex_grow()
2671                    .bg(cx.theme().colors().editor_background)
2672                    .child(self.editor.clone()),
2673            )
2674            .children(self.render_last_error(cx))
2675            .child(
2676                h_flex()
2677                    .relative()
2678                    .py_2()
2679                    .pl_1p5()
2680                    .pr_2()
2681                    .w_full()
2682                    .justify_between()
2683                    .border_t_1()
2684                    .border_color(cx.theme().colors().border_variant)
2685                    .bg(cx.theme().colors().editor_background)
2686                    .child(
2687                        h_flex()
2688                            .gap_0p5()
2689                            .child(self.render_inject_context_menu(cx)),
2690                    )
2691                    .child(
2692                        h_flex()
2693                            .gap_2p5()
2694                            .children(self.render_remaining_tokens(cx))
2695                            .child(
2696                                h_flex()
2697                                    .gap_1()
2698                                    .child(self.render_language_model_selector(window, cx))
2699                                    .child(self.render_send_button(window, cx)),
2700                            ),
2701                    ),
2702            )
2703    }
2704}
2705
2706impl Focusable for TextThreadEditor {
2707    fn focus_handle(&self, cx: &App) -> FocusHandle {
2708        self.editor.focus_handle(cx)
2709    }
2710}
2711
2712impl Item for TextThreadEditor {
2713    type Event = editor::EditorEvent;
2714
2715    fn tab_content_text(&self, _detail: usize, cx: &App) -> SharedString {
2716        util::truncate_and_trailoff(&self.title(cx), MAX_TAB_TITLE_LEN).into()
2717    }
2718
2719    fn to_item_events(event: &Self::Event, mut f: impl FnMut(item::ItemEvent)) {
2720        match event {
2721            EditorEvent::Edited { .. } => {
2722                f(item::ItemEvent::Edit);
2723            }
2724            EditorEvent::TitleChanged => {
2725                f(item::ItemEvent::UpdateTab);
2726            }
2727            _ => {}
2728        }
2729    }
2730
2731    fn tab_tooltip_text(&self, cx: &App) -> Option<SharedString> {
2732        Some(self.title(cx).to_string().into())
2733    }
2734
2735    fn as_searchable(
2736        &self,
2737        handle: &Entity<Self>,
2738        _: &App,
2739    ) -> Option<Box<dyn SearchableItemHandle>> {
2740        Some(Box::new(handle.clone()))
2741    }
2742
2743    fn set_nav_history(
2744        &mut self,
2745        nav_history: pane::ItemNavHistory,
2746        window: &mut Window,
2747        cx: &mut Context<Self>,
2748    ) {
2749        self.editor.update(cx, |editor, cx| {
2750            Item::set_nav_history(editor, nav_history, window, cx)
2751        })
2752    }
2753
2754    fn navigate(
2755        &mut self,
2756        data: Arc<dyn Any + Send>,
2757        window: &mut Window,
2758        cx: &mut Context<Self>,
2759    ) -> bool {
2760        self.editor
2761            .update(cx, |editor, cx| Item::navigate(editor, data, window, cx))
2762    }
2763
2764    fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2765        self.editor
2766            .update(cx, |editor, cx| Item::deactivated(editor, window, cx))
2767    }
2768
2769    fn act_as_type<'a>(
2770        &'a self,
2771        type_id: TypeId,
2772        self_handle: &'a Entity<Self>,
2773        _: &'a App,
2774    ) -> Option<gpui::AnyEntity> {
2775        if type_id == TypeId::of::<Self>() {
2776            Some(self_handle.clone().into())
2777        } else if type_id == TypeId::of::<Editor>() {
2778            Some(self.editor.clone().into())
2779        } else {
2780            None
2781        }
2782    }
2783
2784    fn include_in_nav_history() -> bool {
2785        false
2786    }
2787}
2788
2789impl SearchableItem for TextThreadEditor {
2790    type Match = <Editor as SearchableItem>::Match;
2791
2792    fn clear_matches(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2793        self.editor.update(cx, |editor, cx| {
2794            editor.clear_matches(window, cx);
2795        });
2796    }
2797
2798    fn update_matches(
2799        &mut self,
2800        matches: &[Self::Match],
2801        active_match_index: Option<usize>,
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, 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        window: &mut Window,
2820        cx: &mut Context<Self>,
2821    ) {
2822        self.editor.update(cx, |editor, cx| {
2823            editor.activate_match(index, matches, window, cx);
2824        });
2825    }
2826
2827    fn select_matches(
2828        &mut self,
2829        matches: &[Self::Match],
2830        window: &mut Window,
2831        cx: &mut Context<Self>,
2832    ) {
2833        self.editor
2834            .update(cx, |editor, cx| editor.select_matches(matches, window, cx));
2835    }
2836
2837    fn replace(
2838        &mut self,
2839        identifier: &Self::Match,
2840        query: &project::search::SearchQuery,
2841        window: &mut Window,
2842        cx: &mut Context<Self>,
2843    ) {
2844        self.editor.update(cx, |editor, cx| {
2845            editor.replace(identifier, query, window, cx)
2846        });
2847    }
2848
2849    fn find_matches(
2850        &mut self,
2851        query: Arc<project::search::SearchQuery>,
2852        window: &mut Window,
2853        cx: &mut Context<Self>,
2854    ) -> Task<Vec<Self::Match>> {
2855        self.editor
2856            .update(cx, |editor, cx| editor.find_matches(query, window, cx))
2857    }
2858
2859    fn active_match_index(
2860        &mut self,
2861        direction: Direction,
2862        matches: &[Self::Match],
2863        window: &mut Window,
2864        cx: &mut Context<Self>,
2865    ) -> Option<usize> {
2866        self.editor.update(cx, |editor, cx| {
2867            editor.active_match_index(direction, matches, window, cx)
2868        })
2869    }
2870}
2871
2872impl FollowableItem for TextThreadEditor {
2873    fn remote_id(&self) -> Option<workspace::ViewId> {
2874        self.remote_id
2875    }
2876
2877    fn to_state_proto(&self, window: &mut Window, cx: &mut App) -> Option<proto::view::Variant> {
2878        let context_id = self.text_thread.read(cx).id().to_proto();
2879        let editor_proto = self
2880            .editor
2881            .update(cx, |editor, cx| editor.to_state_proto(window, cx));
2882        Some(proto::view::Variant::ContextEditor(
2883            proto::view::ContextEditor {
2884                context_id,
2885                editor: if let Some(proto::view::Variant::Editor(proto)) = editor_proto {
2886                    Some(proto)
2887                } else {
2888                    None
2889                },
2890            },
2891        ))
2892    }
2893
2894    fn from_state_proto(
2895        workspace: Entity<Workspace>,
2896        id: workspace::ViewId,
2897        state: &mut Option<proto::view::Variant>,
2898        window: &mut Window,
2899        cx: &mut App,
2900    ) -> Option<Task<Result<Entity<Self>>>> {
2901        let proto::view::Variant::ContextEditor(_) = state.as_ref()? else {
2902            return None;
2903        };
2904        let Some(proto::view::Variant::ContextEditor(state)) = state.take() else {
2905            unreachable!()
2906        };
2907
2908        let text_thread_id = TextThreadId::from_proto(state.context_id);
2909        let editor_state = state.editor?;
2910
2911        let project = workspace.read(cx).project().clone();
2912        let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
2913
2914        let text_thread_editor_task = workspace.update(cx, |workspace, cx| {
2915            agent_panel_delegate.open_remote_text_thread(workspace, text_thread_id, window, cx)
2916        });
2917
2918        Some(window.spawn(cx, async move |cx| {
2919            let text_thread_editor = text_thread_editor_task.await?;
2920            text_thread_editor
2921                .update_in(cx, |text_thread_editor, window, cx| {
2922                    text_thread_editor.remote_id = Some(id);
2923                    text_thread_editor.editor.update(cx, |editor, cx| {
2924                        editor.apply_update_proto(
2925                            &project,
2926                            proto::update_view::Variant::Editor(proto::update_view::Editor {
2927                                selections: editor_state.selections,
2928                                pending_selection: editor_state.pending_selection,
2929                                scroll_top_anchor: editor_state.scroll_top_anchor,
2930                                scroll_x: editor_state.scroll_y,
2931                                scroll_y: editor_state.scroll_y,
2932                                ..Default::default()
2933                            }),
2934                            window,
2935                            cx,
2936                        )
2937                    })
2938                })?
2939                .await?;
2940            Ok(text_thread_editor)
2941        }))
2942    }
2943
2944    fn to_follow_event(event: &Self::Event) -> Option<item::FollowEvent> {
2945        Editor::to_follow_event(event)
2946    }
2947
2948    fn add_event_to_update_proto(
2949        &self,
2950        event: &Self::Event,
2951        update: &mut Option<proto::update_view::Variant>,
2952        window: &mut Window,
2953        cx: &mut App,
2954    ) -> bool {
2955        self.editor.update(cx, |editor, cx| {
2956            editor.add_event_to_update_proto(event, update, window, cx)
2957        })
2958    }
2959
2960    fn apply_update_proto(
2961        &mut self,
2962        project: &Entity<Project>,
2963        message: proto::update_view::Variant,
2964        window: &mut Window,
2965        cx: &mut Context<Self>,
2966    ) -> Task<Result<()>> {
2967        self.editor.update(cx, |editor, cx| {
2968            editor.apply_update_proto(project, message, window, cx)
2969        })
2970    }
2971
2972    fn is_project_item(&self, _window: &Window, _cx: &App) -> bool {
2973        true
2974    }
2975
2976    fn set_leader_id(
2977        &mut self,
2978        leader_id: Option<CollaboratorId>,
2979        window: &mut Window,
2980        cx: &mut Context<Self>,
2981    ) {
2982        self.editor
2983            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
2984    }
2985
2986    fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<item::Dedup> {
2987        if existing.text_thread.read(cx).id() == self.text_thread.read(cx).id() {
2988            Some(item::Dedup::KeepExisting)
2989        } else {
2990            None
2991        }
2992    }
2993}
2994
2995enum PendingSlashCommand {}
2996
2997fn invoked_slash_command_fold_placeholder(
2998    command_id: InvokedSlashCommandId,
2999    text_thread: WeakEntity<TextThread>,
3000) -> FoldPlaceholder {
3001    FoldPlaceholder {
3002        collapsed_text: None,
3003        constrain_width: false,
3004        merge_adjacent: false,
3005        render: Arc::new(move |fold_id, _, cx| {
3006            let Some(text_thread) = text_thread.upgrade() else {
3007                return Empty.into_any();
3008            };
3009
3010            let Some(command) = text_thread.read(cx).invoked_slash_command(&command_id) else {
3011                return Empty.into_any();
3012            };
3013
3014            h_flex()
3015                .id(fold_id)
3016                .px_1()
3017                .ml_6()
3018                .gap_2()
3019                .bg(cx.theme().colors().surface_background)
3020                .rounded_sm()
3021                .child(Label::new(format!("/{}", command.name)))
3022                .map(|parent| match &command.status {
3023                    InvokedSlashCommandStatus::Running(_) => {
3024                        parent.child(Icon::new(IconName::ArrowCircle).with_rotate_animation(4))
3025                    }
3026                    InvokedSlashCommandStatus::Error(message) => parent.child(
3027                        Label::new(format!("error: {message}"))
3028                            .single_line()
3029                            .color(Color::Error),
3030                    ),
3031                    InvokedSlashCommandStatus::Finished => parent,
3032                })
3033                .into_any_element()
3034        }),
3035        type_tag: Some(TypeId::of::<PendingSlashCommand>()),
3036    }
3037}
3038
3039enum TokenState {
3040    NoTokensLeft {
3041        max_token_count: u64,
3042        token_count: u64,
3043    },
3044    HasMoreTokens {
3045        max_token_count: u64,
3046        token_count: u64,
3047        over_warn_threshold: bool,
3048    },
3049}
3050
3051fn token_state(text_thread: &Entity<TextThread>, cx: &App) -> Option<TokenState> {
3052    const WARNING_TOKEN_THRESHOLD: f32 = 0.8;
3053
3054    let model = LanguageModelRegistry::read_global(cx)
3055        .default_model()?
3056        .model;
3057    let token_count = text_thread.read(cx).token_count()?;
3058    let max_token_count = model.max_token_count();
3059    let token_state = if max_token_count.saturating_sub(token_count) == 0 {
3060        TokenState::NoTokensLeft {
3061            max_token_count,
3062            token_count,
3063        }
3064    } else {
3065        let over_warn_threshold =
3066            token_count as f32 / max_token_count as f32 >= WARNING_TOKEN_THRESHOLD;
3067        TokenState::HasMoreTokens {
3068            max_token_count,
3069            token_count,
3070            over_warn_threshold,
3071        }
3072    };
3073    Some(token_state)
3074}
3075
3076fn size_for_image(data: &RenderImage, max_size: Size<Pixels>) -> Size<Pixels> {
3077    let image_size = data
3078        .size(0)
3079        .map(|dimension| Pixels::from(u32::from(dimension)));
3080    let image_ratio = image_size.width / image_size.height;
3081    let bounds_ratio = max_size.width / max_size.height;
3082
3083    if image_size.width > max_size.width || image_size.height > max_size.height {
3084        if bounds_ratio > image_ratio {
3085            size(
3086                image_size.width * (max_size.height / image_size.height),
3087                max_size.height,
3088            )
3089        } else {
3090            size(
3091                max_size.width,
3092                image_size.height * (max_size.width / image_size.width),
3093            )
3094        }
3095    } else {
3096        size(image_size.width, image_size.height)
3097    }
3098}
3099
3100pub fn humanize_token_count(count: u64) -> String {
3101    match count {
3102        0..=999 => count.to_string(),
3103        1000..=9999 => {
3104            let thousands = count / 1000;
3105            let hundreds = (count % 1000 + 50) / 100;
3106            if hundreds == 0 {
3107                format!("{}k", thousands)
3108            } else if hundreds == 10 {
3109                format!("{}k", thousands + 1)
3110            } else {
3111                format!("{}.{}k", thousands, hundreds)
3112            }
3113        }
3114        1_000_000..=9_999_999 => {
3115            let millions = count / 1_000_000;
3116            let hundred_thousands = (count % 1_000_000 + 50_000) / 100_000;
3117            if hundred_thousands == 0 {
3118                format!("{}M", millions)
3119            } else if hundred_thousands == 10 {
3120                format!("{}M", millions + 1)
3121            } else {
3122                format!("{}.{}M", millions, hundred_thousands)
3123            }
3124        }
3125        10_000_000.. => format!("{}M", (count + 500_000) / 1_000_000),
3126        _ => format!("{}k", (count + 500) / 1000),
3127    }
3128}
3129
3130pub fn make_lsp_adapter_delegate(
3131    project: &Entity<Project>,
3132    cx: &mut App,
3133) -> Result<Option<Arc<dyn LspAdapterDelegate>>> {
3134    project.update(cx, |project, cx| {
3135        // TODO: Find the right worktree.
3136        let Some(worktree) = project.worktrees(cx).next() else {
3137            return Ok(None::<Arc<dyn LspAdapterDelegate>>);
3138        };
3139        let http_client = project.client().http_client();
3140        project.lsp_store().update(cx, |_, cx| {
3141            Ok(Some(LocalLspAdapterDelegate::new(
3142                project.languages().clone(),
3143                project.environment(),
3144                cx.weak_entity(),
3145                &worktree,
3146                http_client,
3147                project.fs().clone(),
3148                cx,
3149            ) as Arc<dyn LspAdapterDelegate>))
3150        })
3151    })
3152}
3153
3154#[cfg(test)]
3155mod tests {
3156    use super::*;
3157    use editor::{MultiBufferOffset, SelectionEffects};
3158    use fs::FakeFs;
3159    use gpui::{App, TestAppContext, VisualTestContext};
3160    use indoc::indoc;
3161    use language::{Buffer, LanguageRegistry};
3162    use pretty_assertions::assert_eq;
3163    use prompt_store::PromptBuilder;
3164    use text::OffsetRangeExt;
3165    use unindent::Unindent;
3166    use util::path;
3167
3168    #[gpui::test]
3169    async fn test_copy_paste_whole_message(cx: &mut TestAppContext) {
3170        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(vec![
3171            (Role::User, "What is the Zed editor?"),
3172            (
3173                Role::Assistant,
3174                "Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.",
3175            ),
3176            (Role::User, ""),
3177        ],cx).await;
3178
3179        // Select & Copy whole user message
3180        assert_copy_paste_text_thread_editor(
3181            &text_thread_editor,
3182            message_range(&context, 0, &mut cx),
3183            indoc! {"
3184                What is the Zed editor?
3185                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3186                What is the Zed editor?
3187            "},
3188            &mut cx,
3189        );
3190
3191        // Select & Copy whole assistant message
3192        assert_copy_paste_text_thread_editor(
3193            &text_thread_editor,
3194            message_range(&context, 1, &mut cx),
3195            indoc! {"
3196                What is the Zed editor?
3197                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3198                What is the Zed editor?
3199                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3200            "},
3201            &mut cx,
3202        );
3203    }
3204
3205    #[gpui::test]
3206    async fn test_copy_paste_no_selection(cx: &mut TestAppContext) {
3207        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(
3208            vec![
3209                (Role::User, "user1"),
3210                (Role::Assistant, "assistant1"),
3211                (Role::Assistant, "assistant2"),
3212                (Role::User, ""),
3213            ],
3214            cx,
3215        )
3216        .await;
3217
3218        // Copy and paste first assistant message
3219        let message_2_range = message_range(&context, 1, &mut cx);
3220        assert_copy_paste_text_thread_editor(
3221            &text_thread_editor,
3222            message_2_range.start..message_2_range.start,
3223            indoc! {"
3224                user1
3225                assistant1
3226                assistant2
3227                assistant1
3228            "},
3229            &mut cx,
3230        );
3231
3232        // Copy and cut second assistant message
3233        let message_3_range = message_range(&context, 2, &mut cx);
3234        assert_copy_paste_text_thread_editor(
3235            &text_thread_editor,
3236            message_3_range.start..message_3_range.start,
3237            indoc! {"
3238                user1
3239                assistant1
3240                assistant2
3241                assistant1
3242                assistant2
3243            "},
3244            &mut cx,
3245        );
3246    }
3247
3248    #[gpui::test]
3249    fn test_find_code_blocks(cx: &mut App) {
3250        let markdown = languages::language("markdown", tree_sitter_md::LANGUAGE.into());
3251
3252        let buffer = cx.new(|cx| {
3253            let text = r#"
3254                line 0
3255                line 1
3256                ```rust
3257                fn main() {}
3258                ```
3259                line 5
3260                line 6
3261                line 7
3262                ```go
3263                func main() {}
3264                ```
3265                line 11
3266                ```
3267                this is plain text code block
3268                ```
3269
3270                ```go
3271                func another() {}
3272                ```
3273                line 19
3274            "#
3275            .unindent();
3276            let mut buffer = Buffer::local(text, cx);
3277            buffer.set_language(Some(markdown.clone()), cx);
3278            buffer
3279        });
3280        let snapshot = buffer.read(cx).snapshot();
3281
3282        let code_blocks = vec![
3283            Point::new(3, 0)..Point::new(4, 0),
3284            Point::new(9, 0)..Point::new(10, 0),
3285            Point::new(13, 0)..Point::new(14, 0),
3286            Point::new(17, 0)..Point::new(18, 0),
3287        ]
3288        .into_iter()
3289        .map(|range| snapshot.point_to_offset(range.start)..snapshot.point_to_offset(range.end))
3290        .collect::<Vec<_>>();
3291
3292        let expected_results = vec![
3293            (0, None),
3294            (1, None),
3295            (2, Some(code_blocks[0].clone())),
3296            (3, Some(code_blocks[0].clone())),
3297            (4, Some(code_blocks[0].clone())),
3298            (5, None),
3299            (6, None),
3300            (7, None),
3301            (8, Some(code_blocks[1].clone())),
3302            (9, Some(code_blocks[1].clone())),
3303            (10, Some(code_blocks[1].clone())),
3304            (11, None),
3305            (12, Some(code_blocks[2].clone())),
3306            (13, Some(code_blocks[2].clone())),
3307            (14, Some(code_blocks[2].clone())),
3308            (15, None),
3309            (16, Some(code_blocks[3].clone())),
3310            (17, Some(code_blocks[3].clone())),
3311            (18, Some(code_blocks[3].clone())),
3312            (19, None),
3313        ];
3314
3315        for (row, expected) in expected_results {
3316            let offset = snapshot.point_to_offset(Point::new(row, 0));
3317            let range = find_surrounding_code_block(&snapshot, offset);
3318            assert_eq!(range, expected, "unexpected result on row {:?}", row);
3319        }
3320    }
3321
3322    async fn setup_text_thread_editor_text(
3323        messages: Vec<(Role, &str)>,
3324        cx: &mut TestAppContext,
3325    ) -> (
3326        Entity<TextThread>,
3327        Entity<TextThreadEditor>,
3328        VisualTestContext,
3329    ) {
3330        cx.update(init_test);
3331
3332        let fs = FakeFs::new(cx.executor());
3333        let text_thread = create_text_thread_with_messages(messages, cx);
3334
3335        let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
3336        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
3337        let workspace = window.root(cx).unwrap();
3338        let mut cx = VisualTestContext::from_window(*window, cx);
3339
3340        let text_thread_editor = window
3341            .update(&mut cx, |_, window, cx| {
3342                cx.new(|cx| {
3343                    TextThreadEditor::for_text_thread(
3344                        text_thread.clone(),
3345                        fs,
3346                        workspace.downgrade(),
3347                        project,
3348                        None,
3349                        window,
3350                        cx,
3351                    )
3352                })
3353            })
3354            .unwrap();
3355
3356        (text_thread, text_thread_editor, cx)
3357    }
3358
3359    fn message_range(
3360        text_thread: &Entity<TextThread>,
3361        message_ix: usize,
3362        cx: &mut TestAppContext,
3363    ) -> Range<MultiBufferOffset> {
3364        let range = text_thread.update(cx, |text_thread, cx| {
3365            text_thread
3366                .messages(cx)
3367                .nth(message_ix)
3368                .unwrap()
3369                .anchor_range
3370                .to_offset(&text_thread.buffer().read(cx).snapshot())
3371        });
3372        MultiBufferOffset(range.start)..MultiBufferOffset(range.end)
3373    }
3374
3375    fn assert_copy_paste_text_thread_editor<T: editor::ToOffset>(
3376        text_thread_editor: &Entity<TextThreadEditor>,
3377        range: Range<T>,
3378        expected_text: &str,
3379        cx: &mut VisualTestContext,
3380    ) {
3381        text_thread_editor.update_in(cx, |text_thread_editor, window, cx| {
3382            text_thread_editor.editor.update(cx, |editor, cx| {
3383                editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
3384                    s.select_ranges([range])
3385                });
3386            });
3387
3388            text_thread_editor.copy(&Default::default(), window, cx);
3389
3390            text_thread_editor.editor.update(cx, |editor, cx| {
3391                editor.move_to_end(&Default::default(), window, cx);
3392            });
3393
3394            text_thread_editor.paste(&Default::default(), window, cx);
3395
3396            text_thread_editor.editor.update(cx, |editor, cx| {
3397                assert_eq!(editor.text(cx), expected_text);
3398            });
3399        });
3400    }
3401
3402    fn create_text_thread_with_messages(
3403        mut messages: Vec<(Role, &str)>,
3404        cx: &mut TestAppContext,
3405    ) -> Entity<TextThread> {
3406        let registry = Arc::new(LanguageRegistry::test(cx.executor()));
3407        let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
3408        cx.new(|cx| {
3409            let mut text_thread = TextThread::local(
3410                registry,
3411                prompt_builder.clone(),
3412                Arc::new(SlashCommandWorkingSet::default()),
3413                cx,
3414            );
3415            let mut message_1 = text_thread.messages(cx).next().unwrap();
3416            let (role, text) = messages.remove(0);
3417
3418            loop {
3419                if role == message_1.role {
3420                    text_thread.buffer().update(cx, |buffer, cx| {
3421                        buffer.edit([(message_1.offset_range, text)], None, cx);
3422                    });
3423                    break;
3424                }
3425                let mut ids = HashSet::default();
3426                ids.insert(message_1.id);
3427                text_thread.cycle_message_roles(ids, cx);
3428                message_1 = text_thread.messages(cx).next().unwrap();
3429            }
3430
3431            let mut last_message_id = message_1.id;
3432            for (role, text) in messages {
3433                text_thread.insert_message_after(last_message_id, role, MessageStatus::Done, cx);
3434                let message = text_thread.messages(cx).last().unwrap();
3435                last_message_id = message.id;
3436                text_thread.buffer().update(cx, |buffer, cx| {
3437                    buffer.edit([(message.offset_range, text)], None, cx);
3438                })
3439            }
3440
3441            text_thread
3442        })
3443    }
3444
3445    fn init_test(cx: &mut App) {
3446        let settings_store = SettingsStore::test(cx);
3447        prompt_store::init(cx);
3448        editor::init(cx);
3449        LanguageModelRegistry::test(cx);
3450        cx.set_global(settings_store);
3451
3452        theme::init(theme::LoadThemes::JustBase, cx);
3453    }
3454
3455    #[gpui::test]
3456    async fn test_quote_terminal_text(cx: &mut TestAppContext) {
3457        let (_context, text_thread_editor, mut cx) =
3458            setup_text_thread_editor_text(vec![(Role::User, "")], cx).await;
3459
3460        let terminal_output = "$ ls -la\ntotal 0\ndrwxr-xr-x  2 user user  40 Jan  1 00:00 .";
3461
3462        text_thread_editor.update_in(&mut cx, |text_thread_editor, window, cx| {
3463            text_thread_editor.quote_terminal_text(terminal_output.to_string(), window, cx);
3464
3465            text_thread_editor.editor.update(cx, |editor, cx| {
3466                let text = editor.text(cx);
3467                // The text should contain the terminal output wrapped in a code block
3468                assert!(
3469                    text.contains(&format!("```console\n{}\n```", terminal_output)),
3470                    "Terminal text should be wrapped in code block. Got: {}",
3471                    text
3472                );
3473            });
3474        });
3475    }
3476}