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, SearchToken, SearchableItemHandle},
  65};
  66
  67use workspace::{
  68    Save, Toast, Workspace,
  69    item::{self, FollowableItem, Item},
  70    notifications::NotificationId,
  71    pane,
  72    searchable::{SearchEvent, SearchableItem},
  73};
  74use zed_actions::agent::{AddSelectionToThread, PasteRaw, ToggleModelSelector};
  75
  76use crate::CycleFavoriteModels;
  77
  78use crate::{slash_command::SlashCommandCompletionProvider, slash_command_picker};
  79use assistant_text_thread::{
  80    CacheStatus, Content, InvokedSlashCommandId, InvokedSlashCommandStatus, Message, MessageId,
  81    MessageMetadata, MessageStatus, PendingSlashCommandStatus, TextThread, TextThreadEvent,
  82    TextThreadId, ThoughtProcessOutputSection,
  83};
  84
  85actions!(
  86    assistant,
  87    [
  88        /// Sends the current message to the assistant.
  89        Assist,
  90        /// Confirms and executes the entered slash command.
  91        ConfirmCommand,
  92        /// Copies code from the assistant's response to the clipboard.
  93        CopyCode,
  94        /// Cycles between user and assistant message roles.
  95        CycleMessageRole,
  96        /// Inserts the selected text into the active editor.
  97        InsertIntoEditor,
  98        /// Splits the conversation at the current cursor position.
  99        Split,
 100    ]
 101);
 102
 103/// Inserts files that were dragged and dropped into the assistant conversation.
 104#[derive(PartialEq, Clone, Action)]
 105#[action(namespace = assistant, no_json, no_register)]
 106pub enum InsertDraggedFiles {
 107    ProjectPaths(Vec<ProjectPath>),
 108    ExternalFiles(Vec<PathBuf>),
 109}
 110
 111#[derive(Copy, Clone, Debug, PartialEq)]
 112struct ScrollPosition {
 113    offset_before_cursor: gpui::Point<ScrollOffset>,
 114    cursor: Anchor,
 115}
 116
 117type MessageHeader = MessageMetadata;
 118
 119#[derive(Clone)]
 120enum AssistError {
 121    PaymentRequired,
 122    Message(SharedString),
 123}
 124
 125pub enum ThoughtProcessStatus {
 126    Pending,
 127    Completed,
 128}
 129
 130pub trait AgentPanelDelegate {
 131    fn active_text_thread_editor(
 132        &self,
 133        workspace: &mut Workspace,
 134        window: &mut Window,
 135        cx: &mut Context<Workspace>,
 136    ) -> Option<Entity<TextThreadEditor>>;
 137
 138    fn open_local_text_thread(
 139        &self,
 140        workspace: &mut Workspace,
 141        path: Arc<Path>,
 142        window: &mut Window,
 143        cx: &mut Context<Workspace>,
 144    ) -> Task<Result<()>>;
 145
 146    fn open_remote_text_thread(
 147        &self,
 148        workspace: &mut Workspace,
 149        text_thread_id: TextThreadId,
 150        window: &mut Window,
 151        cx: &mut Context<Workspace>,
 152    ) -> Task<Result<Entity<TextThreadEditor>>>;
 153
 154    fn quote_selection(
 155        &self,
 156        workspace: &mut Workspace,
 157        selection_ranges: Vec<Range<Anchor>>,
 158        buffer: Entity<MultiBuffer>,
 159        window: &mut Window,
 160        cx: &mut Context<Workspace>,
 161    );
 162
 163    fn quote_terminal_text(
 164        &self,
 165        workspace: &mut Workspace,
 166        text: String,
 167        window: &mut Window,
 168        cx: &mut Context<Workspace>,
 169    );
 170
 171    fn new_thread_with_content(
 172        &self,
 173        workspace: &mut Workspace,
 174        blocks: Vec<agent_client_protocol::ContentBlock>,
 175        auto_submit: bool,
 176        window: &mut Window,
 177        cx: &mut Context<Workspace>,
 178    );
 179}
 180
 181impl dyn AgentPanelDelegate {
 182    /// Returns the global [`AssistantPanelDelegate`], if it exists.
 183    pub fn try_global(cx: &App) -> Option<Arc<Self>> {
 184        cx.try_global::<GlobalAssistantPanelDelegate>()
 185            .map(|global| global.0.clone())
 186    }
 187
 188    /// Sets the global [`AssistantPanelDelegate`].
 189    pub fn set_global(delegate: Arc<Self>, cx: &mut App) {
 190        cx.set_global(GlobalAssistantPanelDelegate(delegate));
 191    }
 192}
 193
 194struct GlobalAssistantPanelDelegate(Arc<dyn AgentPanelDelegate>);
 195
 196impl Global for GlobalAssistantPanelDelegate {}
 197
 198pub struct TextThreadEditor {
 199    text_thread: Entity<TextThread>,
 200    fs: Arc<dyn Fs>,
 201    slash_commands: Arc<SlashCommandWorkingSet>,
 202    workspace: WeakEntity<Workspace>,
 203    project: Entity<Project>,
 204    lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
 205    editor: Entity<Editor>,
 206    pending_thought_process: Option<(CreaseId, language::Anchor)>,
 207    blocks: HashMap<MessageId, (MessageHeader, CustomBlockId)>,
 208    image_blocks: HashSet<CustomBlockId>,
 209    scroll_position: Option<ScrollPosition>,
 210    remote_id: Option<workspace::ViewId>,
 211    pending_slash_command_creases: HashMap<Range<language::Anchor>, CreaseId>,
 212    invoked_slash_command_creases: HashMap<InvokedSlashCommandId, CreaseId>,
 213    _subscriptions: Vec<Subscription>,
 214    last_error: Option<AssistError>,
 215    pub(crate) slash_menu_handle:
 216        PopoverMenuHandle<Picker<slash_command_picker::SlashCommandDelegate>>,
 217    // dragged_file_worktrees is used to keep references to worktrees that were added
 218    // when the user drag/dropped an external file onto the context editor. Since
 219    // the worktree is not part of the project panel, it would be dropped as soon as
 220    // the file is opened. In order to keep the worktree alive for the duration of the
 221    // context editor, we keep a reference here.
 222    dragged_file_worktrees: Vec<Entity<Worktree>>,
 223    language_model_selector: Entity<LanguageModelSelector>,
 224    language_model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
 225}
 226
 227const MAX_TAB_TITLE_LEN: usize = 16;
 228
 229impl TextThreadEditor {
 230    pub fn init(cx: &mut App) {
 231        workspace::FollowableViewRegistry::register::<TextThreadEditor>(cx);
 232
 233        cx.observe_new(
 234            |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
 235                workspace
 236                    .register_action(TextThreadEditor::quote_selection)
 237                    .register_action(TextThreadEditor::insert_selection)
 238                    .register_action(TextThreadEditor::copy_code)
 239                    .register_action(TextThreadEditor::handle_insert_dragged_files);
 240            },
 241        )
 242        .detach();
 243    }
 244
 245    pub fn for_text_thread(
 246        text_thread: Entity<TextThread>,
 247        fs: Arc<dyn Fs>,
 248        workspace: WeakEntity<Workspace>,
 249        project: Entity<Project>,
 250        lsp_adapter_delegate: Option<Arc<dyn LspAdapterDelegate>>,
 251        window: &mut Window,
 252        cx: &mut Context<Self>,
 253    ) -> Self {
 254        let completion_provider = SlashCommandCompletionProvider::new(
 255            text_thread.read(cx).slash_commands().clone(),
 256            Some(cx.entity().downgrade()),
 257            Some(workspace.clone()),
 258        );
 259
 260        let editor = cx.new(|cx| {
 261            let mut editor =
 262                Editor::for_buffer(text_thread.read(cx).buffer().clone(), None, window, cx);
 263            editor.disable_scrollbars_and_minimap(window, cx);
 264            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
 265            editor.set_show_line_numbers(false, cx);
 266            editor.set_show_git_diff_gutter(false, cx);
 267            editor.set_show_code_actions(false, cx);
 268            editor.set_show_runnables(false, cx);
 269            editor.set_show_breakpoints(false, cx);
 270            editor.set_show_wrap_guides(false, cx);
 271            editor.set_show_indent_guides(false, cx);
 272            editor.set_completion_provider(Some(Rc::new(completion_provider)));
 273            editor.set_menu_edit_predictions_policy(MenuEditPredictionsPolicy::Never);
 274            editor.set_collaboration_hub(Box::new(project.clone()));
 275
 276            let show_edit_predictions = all_language_settings(None, cx)
 277                .edit_predictions
 278                .enabled_in_text_threads;
 279
 280            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
 281
 282            editor
 283        });
 284
 285        let _subscriptions = vec![
 286            cx.observe(&text_thread, |_, _, cx| cx.notify()),
 287            cx.subscribe_in(&text_thread, window, Self::handle_text_thread_event),
 288            cx.subscribe_in(&editor, window, Self::handle_editor_event),
 289            cx.subscribe_in(&editor, window, Self::handle_editor_search_event),
 290            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
 291        ];
 292
 293        let slash_command_sections = text_thread
 294            .read(cx)
 295            .slash_command_output_sections()
 296            .to_vec();
 297        let thought_process_sections = text_thread
 298            .read(cx)
 299            .thought_process_output_sections()
 300            .to_vec();
 301        let slash_commands = text_thread.read(cx).slash_commands().clone();
 302        let focus_handle = editor.read(cx).focus_handle(cx);
 303
 304        let mut this = Self {
 305            text_thread,
 306            slash_commands,
 307            editor,
 308            lsp_adapter_delegate,
 309            blocks: Default::default(),
 310            image_blocks: Default::default(),
 311            scroll_position: None,
 312            remote_id: None,
 313            pending_thought_process: None,
 314            fs: fs.clone(),
 315            workspace,
 316            project,
 317            pending_slash_command_creases: HashMap::default(),
 318            invoked_slash_command_creases: HashMap::default(),
 319            _subscriptions,
 320            last_error: None,
 321            slash_menu_handle: Default::default(),
 322            dragged_file_worktrees: Vec::new(),
 323            language_model_selector: cx.new(|cx| {
 324                language_model_selector(
 325                    |cx| LanguageModelRegistry::read_global(cx).default_model(),
 326                    {
 327                        let fs = fs.clone();
 328                        move |model, cx| {
 329                            update_settings_file(fs.clone(), cx, move |settings, _| {
 330                                let provider = model.provider_id().0.to_string();
 331                                let model_id = model.id().0.to_string();
 332                                settings.agent.get_or_insert_default().set_model(
 333                                    LanguageModelSelection {
 334                                        provider: LanguageModelProviderSetting(provider),
 335                                        model: model_id,
 336                                        enable_thinking: model.supports_thinking(),
 337                                        effort: model
 338                                            .default_effort_level()
 339                                            .map(|effort| effort.value.to_string()),
 340                                    },
 341                                )
 342                            });
 343                        }
 344                    },
 345                    {
 346                        let fs = fs.clone();
 347                        move |model, should_be_favorite, cx| {
 348                            crate::favorite_models::toggle_in_settings(
 349                                model,
 350                                should_be_favorite,
 351                                fs.clone(),
 352                                cx,
 353                            );
 354                        }
 355                    },
 356                    true, // Use popover styles for picker
 357                    focus_handle,
 358                    window,
 359                    cx,
 360                )
 361            }),
 362            language_model_selector_menu_handle: PopoverMenuHandle::default(),
 363        };
 364        this.update_message_headers(cx);
 365        this.update_image_blocks(cx);
 366        this.insert_slash_command_output_sections(slash_command_sections, false, window, cx);
 367        this.insert_thought_process_output_sections(
 368            thought_process_sections
 369                .into_iter()
 370                .map(|section| (section, ThoughtProcessStatus::Completed)),
 371            window,
 372            cx,
 373        );
 374        this
 375    }
 376
 377    fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 378        self.editor.update(cx, |editor, cx| {
 379            let show_edit_predictions = all_language_settings(None, cx)
 380                .edit_predictions
 381                .enabled_in_text_threads;
 382
 383            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
 384        });
 385    }
 386
 387    pub fn text_thread(&self) -> &Entity<TextThread> {
 388        &self.text_thread
 389    }
 390
 391    pub fn editor(&self) -> &Entity<Editor> {
 392        &self.editor
 393    }
 394
 395    pub fn insert_default_prompt(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 396        let command_name = DefaultSlashCommand.name();
 397        self.editor.update(cx, |editor, cx| {
 398            editor.insert(&format!("/{command_name}\n\n"), window, cx)
 399        });
 400        let command = self.text_thread.update(cx, |text_thread, cx| {
 401            text_thread.reparse(cx);
 402            text_thread.parsed_slash_commands()[0].clone()
 403        });
 404        self.run_command(
 405            command.source_range,
 406            &command.name,
 407            &command.arguments,
 408            false,
 409            self.workspace.clone(),
 410            window,
 411            cx,
 412        );
 413    }
 414
 415    fn assist(&mut self, _: &Assist, window: &mut Window, cx: &mut Context<Self>) {
 416        if self.sending_disabled(cx) {
 417            return;
 418        }
 419        telemetry::event!("Agent Message Sent", agent = "zed-text");
 420        self.send_to_model(window, cx);
 421    }
 422
 423    fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 424        self.last_error = None;
 425        if let Some(user_message) = self
 426            .text_thread
 427            .update(cx, |text_thread, cx| text_thread.assist(cx))
 428        {
 429            let new_selection = {
 430                let cursor = user_message
 431                    .start
 432                    .to_offset(self.text_thread.read(cx).buffer().read(cx));
 433                MultiBufferOffset(cursor)..MultiBufferOffset(cursor)
 434            };
 435            self.editor.update(cx, |editor, cx| {
 436                editor.change_selections(Default::default(), window, cx, |selections| {
 437                    selections.select_ranges([new_selection])
 438                });
 439            });
 440            // Avoid scrolling to the new cursor position so the assistant's output is stable.
 441            cx.defer_in(window, |this, _, _| this.scroll_position = None);
 442        }
 443
 444        cx.notify();
 445    }
 446
 447    fn cancel(
 448        &mut self,
 449        _: &editor::actions::Cancel,
 450        _window: &mut Window,
 451        cx: &mut Context<Self>,
 452    ) {
 453        self.last_error = None;
 454
 455        if self
 456            .text_thread
 457            .update(cx, |text_thread, cx| text_thread.cancel_last_assist(cx))
 458        {
 459            return;
 460        }
 461
 462        cx.propagate();
 463    }
 464
 465    fn cycle_message_role(
 466        &mut self,
 467        _: &CycleMessageRole,
 468        _window: &mut Window,
 469        cx: &mut Context<Self>,
 470    ) {
 471        let cursors = self.cursors(cx);
 472        self.text_thread.update(cx, |text_thread, cx| {
 473            let messages = text_thread
 474                .messages_for_offsets(cursors.into_iter().map(|cursor| cursor.0), cx)
 475                .into_iter()
 476                .map(|message| message.id)
 477                .collect();
 478            text_thread.cycle_message_roles(messages, cx)
 479        });
 480    }
 481
 482    fn cursors(&self, cx: &mut App) -> Vec<MultiBufferOffset> {
 483        let selections = self.editor.update(cx, |editor, cx| {
 484            editor
 485                .selections
 486                .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
 487        });
 488        selections
 489            .into_iter()
 490            .map(|selection| selection.head())
 491            .collect()
 492    }
 493
 494    pub fn insert_command(&mut self, name: &str, window: &mut Window, cx: &mut Context<Self>) {
 495        if let Some(command) = self.slash_commands.command(name, cx) {
 496            self.editor.update(cx, |editor, cx| {
 497                editor.transact(window, cx, |editor, window, cx| {
 498                    editor.change_selections(Default::default(), window, cx, |s| s.try_cancel());
 499                    let snapshot = editor.buffer().read(cx).snapshot(cx);
 500                    let newest_cursor = editor
 501                        .selections
 502                        .newest::<Point>(&editor.display_snapshot(cx))
 503                        .head();
 504                    if newest_cursor.column > 0
 505                        || snapshot
 506                            .chars_at(newest_cursor)
 507                            .next()
 508                            .is_some_and(|ch| ch != '\n')
 509                    {
 510                        editor.move_to_end_of_line(
 511                            &MoveToEndOfLine {
 512                                stop_at_soft_wraps: false,
 513                            },
 514                            window,
 515                            cx,
 516                        );
 517                        editor.newline(&Newline, window, cx);
 518                    }
 519
 520                    editor.insert(&format!("/{name}"), window, cx);
 521                    if command.accepts_arguments() {
 522                        editor.insert(" ", window, cx);
 523                        editor.show_completions(&ShowCompletions, window, cx);
 524                    }
 525                });
 526            });
 527            if !command.requires_argument() {
 528                self.confirm_command(&ConfirmCommand, window, cx);
 529            }
 530        }
 531    }
 532
 533    pub fn confirm_command(
 534        &mut self,
 535        _: &ConfirmCommand,
 536        window: &mut Window,
 537        cx: &mut Context<Self>,
 538    ) {
 539        if self.editor.read(cx).has_visible_completions_menu() {
 540            return;
 541        }
 542
 543        let selections = self.editor.read(cx).selections.disjoint_anchors_arc();
 544        let mut commands_by_range = HashMap::default();
 545        let workspace = self.workspace.clone();
 546        self.text_thread.update(cx, |text_thread, cx| {
 547            text_thread.reparse(cx);
 548            for selection in selections.iter() {
 549                if let Some(command) =
 550                    text_thread.pending_command_for_position(selection.head().text_anchor, cx)
 551                {
 552                    commands_by_range
 553                        .entry(command.source_range.clone())
 554                        .or_insert_with(|| command.clone());
 555                }
 556            }
 557        });
 558
 559        if commands_by_range.is_empty() {
 560            cx.propagate();
 561        } else {
 562            for command in commands_by_range.into_values() {
 563                self.run_command(
 564                    command.source_range,
 565                    &command.name,
 566                    &command.arguments,
 567                    true,
 568                    workspace.clone(),
 569                    window,
 570                    cx,
 571                );
 572            }
 573            cx.stop_propagation();
 574        }
 575    }
 576
 577    pub fn run_command(
 578        &mut self,
 579        command_range: Range<language::Anchor>,
 580        name: &str,
 581        arguments: &[String],
 582        ensure_trailing_newline: bool,
 583        workspace: WeakEntity<Workspace>,
 584        window: &mut Window,
 585        cx: &mut Context<Self>,
 586    ) {
 587        if let Some(command) = self.slash_commands.command(name, cx) {
 588            let text_thread = self.text_thread.read(cx);
 589            let sections = text_thread
 590                .slash_command_output_sections()
 591                .iter()
 592                .filter(|section| section.is_valid(text_thread.buffer().read(cx)))
 593                .cloned()
 594                .collect::<Vec<_>>();
 595            let snapshot = text_thread.buffer().read(cx).snapshot();
 596            let output = command.run(
 597                arguments,
 598                &sections,
 599                snapshot,
 600                workspace,
 601                self.lsp_adapter_delegate.clone(),
 602                window,
 603                cx,
 604            );
 605            self.text_thread.update(cx, |text_thread, cx| {
 606                text_thread.insert_command_output(
 607                    command_range,
 608                    name,
 609                    output,
 610                    ensure_trailing_newline,
 611                    cx,
 612                )
 613            });
 614        }
 615    }
 616
 617    fn handle_text_thread_event(
 618        &mut self,
 619        _: &Entity<TextThread>,
 620        event: &TextThreadEvent,
 621        window: &mut Window,
 622        cx: &mut Context<Self>,
 623    ) {
 624        let text_thread_editor = cx.entity().downgrade();
 625
 626        match event {
 627            TextThreadEvent::MessagesEdited => {
 628                self.update_message_headers(cx);
 629                self.update_image_blocks(cx);
 630                self.text_thread.update(cx, |text_thread, cx| {
 631                    text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
 632                });
 633            }
 634            TextThreadEvent::SummaryChanged => {
 635                cx.emit(EditorEvent::TitleChanged);
 636                self.text_thread.update(cx, |text_thread, cx| {
 637                    text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx);
 638                });
 639            }
 640            TextThreadEvent::SummaryGenerated => {}
 641            TextThreadEvent::PathChanged { .. } => {}
 642            TextThreadEvent::StartedThoughtProcess(range) => {
 643                let creases = self.insert_thought_process_output_sections(
 644                    [(
 645                        ThoughtProcessOutputSection {
 646                            range: range.clone(),
 647                        },
 648                        ThoughtProcessStatus::Pending,
 649                    )],
 650                    window,
 651                    cx,
 652                );
 653                self.pending_thought_process = Some((creases[0], range.start));
 654            }
 655            TextThreadEvent::EndedThoughtProcess(end) => {
 656                if let Some((crease_id, start)) = self.pending_thought_process.take() {
 657                    self.editor.update(cx, |editor, cx| {
 658                        let multi_buffer_snapshot = editor.buffer().read(cx).snapshot(cx);
 659                        let start_anchor =
 660                            multi_buffer_snapshot.as_singleton_anchor(start).unwrap();
 661
 662                        editor.display_map.update(cx, |display_map, cx| {
 663                            display_map.unfold_intersecting(
 664                                vec![start_anchor..start_anchor],
 665                                true,
 666                                cx,
 667                            );
 668                        });
 669                        editor.remove_creases(vec![crease_id], cx);
 670                    });
 671                    self.insert_thought_process_output_sections(
 672                        [(
 673                            ThoughtProcessOutputSection { range: start..*end },
 674                            ThoughtProcessStatus::Completed,
 675                        )],
 676                        window,
 677                        cx,
 678                    );
 679                }
 680            }
 681            TextThreadEvent::StreamedCompletion => {
 682                self.editor.update(cx, |editor, cx| {
 683                    if let Some(scroll_position) = self.scroll_position {
 684                        let snapshot = editor.snapshot(window, cx);
 685                        let cursor_point = scroll_position.cursor.to_display_point(&snapshot);
 686                        let scroll_top =
 687                            cursor_point.row().as_f64() - scroll_position.offset_before_cursor.y;
 688                        editor.set_scroll_position(
 689                            point(scroll_position.offset_before_cursor.x, scroll_top),
 690                            window,
 691                            cx,
 692                        );
 693                    }
 694                });
 695            }
 696            TextThreadEvent::ParsedSlashCommandsUpdated { removed, updated } => {
 697                self.editor.update(cx, |editor, cx| {
 698                    let buffer = editor.buffer().read(cx).snapshot(cx);
 699                    let (excerpt_id, _, _) = buffer.as_singleton().unwrap();
 700
 701                    editor.remove_creases(
 702                        removed
 703                            .iter()
 704                            .filter_map(|range| self.pending_slash_command_creases.remove(range)),
 705                        cx,
 706                    );
 707
 708                    let crease_ids = editor.insert_creases(
 709                        updated.iter().map(|command| {
 710                            let workspace = self.workspace.clone();
 711                            let confirm_command = Arc::new({
 712                                let text_thread_editor = text_thread_editor.clone();
 713                                let command = command.clone();
 714                                move |window: &mut Window, cx: &mut App| {
 715                                    text_thread_editor
 716                                        .update(cx, |text_thread_editor, cx| {
 717                                            text_thread_editor.run_command(
 718                                                command.source_range.clone(),
 719                                                &command.name,
 720                                                &command.arguments,
 721                                                false,
 722                                                workspace.clone(),
 723                                                window,
 724                                                cx,
 725                                            );
 726                                        })
 727                                        .ok();
 728                                }
 729                            });
 730                            let placeholder = FoldPlaceholder {
 731                                render: Arc::new(move |_, _, _| Empty.into_any()),
 732                                ..Default::default()
 733                            };
 734                            let render_toggle = {
 735                                let confirm_command = confirm_command.clone();
 736                                let command = command.clone();
 737                                move |row, _, _, _window: &mut Window, _cx: &mut App| {
 738                                    render_pending_slash_command_gutter_decoration(
 739                                        row,
 740                                        &command.status,
 741                                        confirm_command.clone(),
 742                                    )
 743                                }
 744                            };
 745                            let render_trailer = {
 746                                move |_row, _unfold, _window: &mut Window, _cx: &mut App| {
 747                                    Empty.into_any()
 748                                }
 749                            };
 750
 751                            let range = buffer
 752                                .anchor_range_in_excerpt(excerpt_id, command.source_range.clone())
 753                                .unwrap();
 754                            Crease::inline(range, placeholder, render_toggle, render_trailer)
 755                        }),
 756                        cx,
 757                    );
 758
 759                    self.pending_slash_command_creases.extend(
 760                        updated
 761                            .iter()
 762                            .map(|command| command.source_range.clone())
 763                            .zip(crease_ids),
 764                    );
 765                })
 766            }
 767            TextThreadEvent::InvokedSlashCommandChanged { command_id } => {
 768                self.update_invoked_slash_command(*command_id, window, cx);
 769            }
 770            TextThreadEvent::SlashCommandOutputSectionAdded { section } => {
 771                self.insert_slash_command_output_sections([section.clone()], false, window, cx);
 772            }
 773            TextThreadEvent::Operation(_) => {}
 774            TextThreadEvent::ShowAssistError(error_message) => {
 775                self.last_error = Some(AssistError::Message(error_message.clone()));
 776            }
 777            TextThreadEvent::ShowPaymentRequiredError => {
 778                self.last_error = Some(AssistError::PaymentRequired);
 779            }
 780        }
 781    }
 782
 783    fn update_invoked_slash_command(
 784        &mut self,
 785        command_id: InvokedSlashCommandId,
 786        window: &mut Window,
 787        cx: &mut Context<Self>,
 788    ) {
 789        if let Some(invoked_slash_command) =
 790            self.text_thread.read(cx).invoked_slash_command(&command_id)
 791            && let InvokedSlashCommandStatus::Finished = invoked_slash_command.status
 792        {
 793            let run_commands_in_ranges = invoked_slash_command.run_commands_in_ranges.clone();
 794            for range in run_commands_in_ranges {
 795                let commands = self.text_thread.update(cx, |text_thread, cx| {
 796                    text_thread.reparse(cx);
 797                    text_thread
 798                        .pending_commands_for_range(range.clone(), cx)
 799                        .to_vec()
 800                });
 801
 802                for command in commands {
 803                    self.run_command(
 804                        command.source_range,
 805                        &command.name,
 806                        &command.arguments,
 807                        false,
 808                        self.workspace.clone(),
 809                        window,
 810                        cx,
 811                    );
 812                }
 813            }
 814        }
 815
 816        self.editor.update(cx, |editor, cx| {
 817            if let Some(invoked_slash_command) =
 818                self.text_thread.read(cx).invoked_slash_command(&command_id)
 819            {
 820                if let InvokedSlashCommandStatus::Finished = invoked_slash_command.status {
 821                    let buffer = editor.buffer().read(cx).snapshot(cx);
 822                    let (excerpt_id, _buffer_id, _buffer_snapshot) = buffer.as_singleton().unwrap();
 823
 824                    let range = buffer
 825                        .anchor_range_in_excerpt(excerpt_id, invoked_slash_command.range.clone())
 826                        .unwrap();
 827                    editor.remove_folds_with_type(
 828                        &[range],
 829                        TypeId::of::<PendingSlashCommand>(),
 830                        false,
 831                        cx,
 832                    );
 833
 834                    editor.remove_creases(
 835                        HashSet::from_iter(self.invoked_slash_command_creases.remove(&command_id)),
 836                        cx,
 837                    );
 838                } else if let hash_map::Entry::Vacant(entry) =
 839                    self.invoked_slash_command_creases.entry(command_id)
 840                {
 841                    let buffer = editor.buffer().read(cx).snapshot(cx);
 842                    let (excerpt_id, _buffer_id, _buffer_snapshot) = buffer.as_singleton().unwrap();
 843                    let context = self.text_thread.downgrade();
 844                    let range = buffer
 845                        .anchor_range_in_excerpt(excerpt_id, invoked_slash_command.range.clone())
 846                        .unwrap();
 847                    let crease = Crease::inline(
 848                        range,
 849                        invoked_slash_command_fold_placeholder(command_id, context),
 850                        fold_toggle("invoked-slash-command"),
 851                        |_row, _folded, _window, _cx| Empty.into_any(),
 852                    );
 853                    let crease_ids = editor.insert_creases([crease.clone()], cx);
 854                    editor.fold_creases(vec![crease], false, window, cx);
 855                    entry.insert(crease_ids[0]);
 856                } else {
 857                    cx.notify()
 858                }
 859            } else {
 860                editor.remove_creases(
 861                    HashSet::from_iter(self.invoked_slash_command_creases.remove(&command_id)),
 862                    cx,
 863                );
 864                cx.notify();
 865            };
 866        });
 867    }
 868
 869    fn insert_thought_process_output_sections(
 870        &mut self,
 871        sections: impl IntoIterator<
 872            Item = (
 873                ThoughtProcessOutputSection<language::Anchor>,
 874                ThoughtProcessStatus,
 875            ),
 876        >,
 877        window: &mut Window,
 878        cx: &mut Context<Self>,
 879    ) -> Vec<CreaseId> {
 880        self.editor.update(cx, |editor, cx| {
 881            let buffer = editor.buffer().read(cx).snapshot(cx);
 882            let excerpt_id = buffer.as_singleton().unwrap().0;
 883            let mut buffer_rows_to_fold = BTreeSet::new();
 884            let mut creases = Vec::new();
 885            for (section, status) in sections {
 886                let range = buffer
 887                    .anchor_range_in_excerpt(excerpt_id, section.range)
 888                    .unwrap();
 889                let buffer_row = MultiBufferRow(range.start.to_point(&buffer).row);
 890                buffer_rows_to_fold.insert(buffer_row);
 891                creases.push(
 892                    Crease::inline(
 893                        range,
 894                        FoldPlaceholder {
 895                            render: render_thought_process_fold_icon_button(
 896                                cx.entity().downgrade(),
 897                                status,
 898                            ),
 899                            merge_adjacent: false,
 900                            ..Default::default()
 901                        },
 902                        render_slash_command_output_toggle,
 903                        |_, _, _, _| Empty.into_any_element(),
 904                    )
 905                    .with_metadata(CreaseMetadata {
 906                        icon_path: SharedString::from(IconName::Ai.path()),
 907                        label: "Thinking Process".into(),
 908                    }),
 909                );
 910            }
 911
 912            let creases = editor.insert_creases(creases, cx);
 913
 914            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
 915                editor.fold_at(buffer_row, window, cx);
 916            }
 917
 918            creases
 919        })
 920    }
 921
 922    fn insert_slash_command_output_sections(
 923        &mut self,
 924        sections: impl IntoIterator<Item = SlashCommandOutputSection<language::Anchor>>,
 925        expand_result: bool,
 926        window: &mut Window,
 927        cx: &mut Context<Self>,
 928    ) {
 929        self.editor.update(cx, |editor, cx| {
 930            let buffer = editor.buffer().read(cx).snapshot(cx);
 931            let excerpt_id = buffer.as_singleton().unwrap().0;
 932            let mut buffer_rows_to_fold = BTreeSet::new();
 933            let mut creases = Vec::new();
 934            for section in sections {
 935                let range = buffer
 936                    .anchor_range_in_excerpt(excerpt_id, section.range)
 937                    .unwrap();
 938                let buffer_row = MultiBufferRow(range.start.to_point(&buffer).row);
 939                buffer_rows_to_fold.insert(buffer_row);
 940                creases.push(
 941                    Crease::inline(
 942                        range,
 943                        FoldPlaceholder {
 944                            render: render_fold_icon_button(
 945                                cx.entity().downgrade(),
 946                                section.icon.path().into(),
 947                                section.label.clone(),
 948                            ),
 949                            merge_adjacent: false,
 950                            ..Default::default()
 951                        },
 952                        render_slash_command_output_toggle,
 953                        |_, _, _, _| Empty.into_any_element(),
 954                    )
 955                    .with_metadata(CreaseMetadata {
 956                        icon_path: section.icon.path().into(),
 957                        label: section.label,
 958                    }),
 959                );
 960            }
 961
 962            editor.insert_creases(creases, cx);
 963
 964            if expand_result {
 965                buffer_rows_to_fold.clear();
 966            }
 967            for buffer_row in buffer_rows_to_fold.into_iter().rev() {
 968                editor.fold_at(buffer_row, window, cx);
 969            }
 970        });
 971    }
 972
 973    fn handle_editor_event(
 974        &mut self,
 975        _: &Entity<Editor>,
 976        event: &EditorEvent,
 977        window: &mut Window,
 978        cx: &mut Context<Self>,
 979    ) {
 980        match event {
 981            EditorEvent::ScrollPositionChanged { autoscroll, .. } => {
 982                let cursor_scroll_position = self.cursor_scroll_position(window, cx);
 983                if *autoscroll {
 984                    self.scroll_position = cursor_scroll_position;
 985                } else if self.scroll_position != cursor_scroll_position {
 986                    self.scroll_position = None;
 987                }
 988            }
 989            EditorEvent::SelectionsChanged { .. } => {
 990                self.scroll_position = self.cursor_scroll_position(window, cx);
 991            }
 992            _ => {}
 993        }
 994        cx.emit(event.clone());
 995    }
 996
 997    fn handle_editor_search_event(
 998        &mut self,
 999        _: &Entity<Editor>,
1000        event: &SearchEvent,
1001        _window: &mut Window,
1002        cx: &mut Context<Self>,
1003    ) {
1004        cx.emit(event.clone());
1005    }
1006
1007    fn cursor_scroll_position(
1008        &self,
1009        window: &mut Window,
1010        cx: &mut Context<Self>,
1011    ) -> Option<ScrollPosition> {
1012        self.editor.update(cx, |editor, cx| {
1013            let snapshot = editor.snapshot(window, cx);
1014            let cursor = editor.selections.newest_anchor().head();
1015            let cursor_row = cursor
1016                .to_display_point(&snapshot.display_snapshot)
1017                .row()
1018                .as_f64();
1019            let scroll_position = editor
1020                .scroll_manager
1021                .scroll_position(&snapshot.display_snapshot, cx);
1022
1023            let scroll_bottom = scroll_position.y + editor.visible_line_count().unwrap_or(0.);
1024            if (scroll_position.y..scroll_bottom).contains(&cursor_row) {
1025                Some(ScrollPosition {
1026                    cursor,
1027                    offset_before_cursor: point(scroll_position.x, cursor_row - scroll_position.y),
1028                })
1029            } else {
1030                None
1031            }
1032        })
1033    }
1034
1035    fn esc_kbd(cx: &App) -> Div {
1036        let colors = cx.theme().colors().clone();
1037
1038        h_flex()
1039            .items_center()
1040            .gap_1()
1041            .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
1042            .text_size(TextSize::XSmall.rems(cx))
1043            .text_color(colors.text_muted)
1044            .child("Press")
1045            .child(
1046                h_flex()
1047                    .rounded_sm()
1048                    .px_1()
1049                    .mr_0p5()
1050                    .border_1()
1051                    .border_color(colors.border_variant.alpha(0.6))
1052                    .bg(colors.element_background.alpha(0.6))
1053                    .child("esc"),
1054            )
1055            .child("to cancel")
1056    }
1057
1058    fn update_message_headers(&mut self, cx: &mut Context<Self>) {
1059        self.editor.update(cx, |editor, cx| {
1060            let buffer = editor.buffer().read(cx).snapshot(cx);
1061
1062            let excerpt_id = buffer.as_singleton().unwrap().0;
1063            let mut old_blocks = std::mem::take(&mut self.blocks);
1064            let mut blocks_to_remove: HashMap<_, _> = old_blocks
1065                .iter()
1066                .map(|(message_id, (_, block_id))| (*message_id, *block_id))
1067                .collect();
1068            let mut blocks_to_replace: HashMap<_, RenderBlock> = Default::default();
1069
1070            let render_block = |message: MessageMetadata| -> RenderBlock {
1071                Arc::new({
1072                    let text_thread = self.text_thread.clone();
1073
1074                    move |cx| {
1075                        let message_id = MessageId(message.timestamp);
1076                        let llm_loading = message.role == Role::Assistant
1077                            && message.status == MessageStatus::Pending;
1078
1079                        let (label, spinner, note) = match message.role {
1080                            Role::User => (
1081                                Label::new("You").color(Color::Default).into_any_element(),
1082                                None,
1083                                None,
1084                            ),
1085                            Role::Assistant => {
1086                                let base_label = Label::new("Agent").color(Color::Info);
1087                                let mut spinner = None;
1088                                let mut note = None;
1089                                let animated_label = if llm_loading {
1090                                    base_label
1091                                        .with_animation(
1092                                            "pulsating-label",
1093                                            Animation::new(Duration::from_secs(2))
1094                                                .repeat()
1095                                                .with_easing(pulsating_between(0.4, 0.8)),
1096                                            |label, delta| label.alpha(delta),
1097                                        )
1098                                        .into_any_element()
1099                                } else {
1100                                    base_label.into_any_element()
1101                                };
1102                                if llm_loading {
1103                                    spinner = Some(
1104                                        Icon::new(IconName::ArrowCircle)
1105                                            .size(IconSize::XSmall)
1106                                            .color(Color::Info)
1107                                            .with_rotate_animation(2)
1108                                            .into_any_element(),
1109                                    );
1110                                    note = Some(Self::esc_kbd(cx).into_any_element());
1111                                }
1112                                (animated_label, spinner, note)
1113                            }
1114                            Role::System => (
1115                                Label::new("System")
1116                                    .color(Color::Warning)
1117                                    .into_any_element(),
1118                                None,
1119                                None,
1120                            ),
1121                        };
1122
1123                        let sender = h_flex()
1124                            .items_center()
1125                            .gap_2p5()
1126                            .child(
1127                                ButtonLike::new("role")
1128                                    .style(ButtonStyle::Filled)
1129                                    .child(
1130                                        h_flex()
1131                                            .items_center()
1132                                            .gap_1p5()
1133                                            .child(label)
1134                                            .children(spinner),
1135                                    )
1136                                    .tooltip(|_window, cx| {
1137                                        Tooltip::with_meta(
1138                                            "Toggle message role",
1139                                            None,
1140                                            "Available roles: You (User), Agent, System",
1141                                            cx,
1142                                        )
1143                                    })
1144                                    .on_click({
1145                                        let text_thread = text_thread.clone();
1146                                        move |_, _window, cx| {
1147                                            text_thread.update(cx, |text_thread, cx| {
1148                                                text_thread.cycle_message_roles(
1149                                                    HashSet::from_iter(Some(message_id)),
1150                                                    cx,
1151                                                )
1152                                            })
1153                                        }
1154                                    }),
1155                            )
1156                            .children(note);
1157
1158                        h_flex()
1159                            .id(("message_header", message_id.as_u64()))
1160                            .pl(cx.margins.gutter.full_width())
1161                            .h_11()
1162                            .w_full()
1163                            .relative()
1164                            .gap_1p5()
1165                            .child(sender)
1166                            .children(match &message.cache {
1167                                Some(cache) if cache.is_final_anchor => match cache.status {
1168                                    CacheStatus::Cached => Some(
1169                                        div()
1170                                            .id("cached")
1171                                            .child(
1172                                                Icon::new(IconName::DatabaseZap)
1173                                                    .size(IconSize::XSmall)
1174                                                    .color(Color::Hint),
1175                                            )
1176                                            .tooltip(|_window, cx| {
1177                                                Tooltip::with_meta(
1178                                                    "Context Cached",
1179                                                    None,
1180                                                    "Large messages cached to optimize performance",
1181                                                    cx,
1182                                                )
1183                                            })
1184                                            .into_any_element(),
1185                                    ),
1186                                    CacheStatus::Pending => Some(
1187                                        div()
1188                                            .child(
1189                                                Icon::new(IconName::Ellipsis)
1190                                                    .size(IconSize::XSmall)
1191                                                    .color(Color::Hint),
1192                                            )
1193                                            .into_any_element(),
1194                                    ),
1195                                },
1196                                _ => None,
1197                            })
1198                            .children(match &message.status {
1199                                MessageStatus::Error(error) => Some(
1200                                    Button::new("show-error", "Error")
1201                                        .color(Color::Error)
1202                                        .selected_label_color(Color::Error)
1203                                        .selected_icon_color(Color::Error)
1204                                        .icon(IconName::XCircle)
1205                                        .icon_color(Color::Error)
1206                                        .icon_size(IconSize::XSmall)
1207                                        .icon_position(IconPosition::Start)
1208                                        .tooltip(Tooltip::text("View Details"))
1209                                        .on_click({
1210                                            let text_thread = text_thread.clone();
1211                                            let error = error.clone();
1212                                            move |_, _window, cx| {
1213                                                text_thread.update(cx, |_, cx| {
1214                                                    cx.emit(TextThreadEvent::ShowAssistError(
1215                                                        error.clone(),
1216                                                    ));
1217                                                });
1218                                            }
1219                                        })
1220                                        .into_any_element(),
1221                                ),
1222                                MessageStatus::Canceled => Some(
1223                                    h_flex()
1224                                        .gap_1()
1225                                        .items_center()
1226                                        .child(
1227                                            Icon::new(IconName::XCircle)
1228                                                .color(Color::Disabled)
1229                                                .size(IconSize::XSmall),
1230                                        )
1231                                        .child(
1232                                            Label::new("Canceled")
1233                                                .size(LabelSize::Small)
1234                                                .color(Color::Disabled),
1235                                        )
1236                                        .into_any_element(),
1237                                ),
1238                                _ => None,
1239                            })
1240                            .into_any_element()
1241                    }
1242                })
1243            };
1244            let create_block_properties = |message: &Message| BlockProperties {
1245                height: Some(2),
1246                style: BlockStyle::Sticky,
1247                placement: BlockPlacement::Above(
1248                    buffer
1249                        .anchor_in_excerpt(excerpt_id, message.anchor_range.start)
1250                        .unwrap(),
1251                ),
1252                priority: usize::MAX,
1253                render: render_block(MessageMetadata::from(message)),
1254            };
1255            let mut new_blocks = vec![];
1256            let mut block_index_to_message = vec![];
1257            for message in self.text_thread.read(cx).messages(cx) {
1258                if blocks_to_remove.remove(&message.id).is_some() {
1259                    // This is an old message that we might modify.
1260                    let Some((meta, block_id)) = old_blocks.get_mut(&message.id) else {
1261                        debug_assert!(
1262                            false,
1263                            "old_blocks should contain a message_id we've just removed."
1264                        );
1265                        continue;
1266                    };
1267                    // Should we modify it?
1268                    let message_meta = MessageMetadata::from(&message);
1269                    if meta != &message_meta {
1270                        blocks_to_replace.insert(*block_id, render_block(message_meta.clone()));
1271                        *meta = message_meta;
1272                    }
1273                } else {
1274                    // This is a new message.
1275                    new_blocks.push(create_block_properties(&message));
1276                    block_index_to_message.push((message.id, MessageMetadata::from(&message)));
1277                }
1278            }
1279            editor.replace_blocks(blocks_to_replace, None, cx);
1280            editor.remove_blocks(blocks_to_remove.into_values().collect(), None, cx);
1281
1282            let ids = editor.insert_blocks(new_blocks, None, cx);
1283            old_blocks.extend(ids.into_iter().zip(block_index_to_message).map(
1284                |(block_id, (message_id, message_meta))| (message_id, (message_meta, block_id)),
1285            ));
1286            self.blocks = old_blocks;
1287        });
1288    }
1289
1290    /// Returns either the selected text, or the content of the Markdown code
1291    /// block surrounding the cursor.
1292    fn get_selection_or_code_block(
1293        context_editor_view: &Entity<TextThreadEditor>,
1294        cx: &mut Context<Workspace>,
1295    ) -> Option<(String, bool)> {
1296        const CODE_FENCE_DELIMITER: &str = "```";
1297
1298        let text_thread_editor = context_editor_view.read(cx).editor.clone();
1299        text_thread_editor.update(cx, |text_thread_editor, cx| {
1300            let display_map = text_thread_editor.display_snapshot(cx);
1301            if text_thread_editor
1302                .selections
1303                .newest::<Point>(&display_map)
1304                .is_empty()
1305            {
1306                let snapshot = text_thread_editor.buffer().read(cx).snapshot(cx);
1307                let (_, _, snapshot) = snapshot.as_singleton()?;
1308
1309                let head = text_thread_editor
1310                    .selections
1311                    .newest::<Point>(&display_map)
1312                    .head();
1313                let offset = snapshot.point_to_offset(head);
1314
1315                let surrounding_code_block_range = find_surrounding_code_block(snapshot, offset)?;
1316                let mut text = snapshot
1317                    .text_for_range(surrounding_code_block_range)
1318                    .collect::<String>();
1319
1320                // If there is no newline trailing the closing three-backticks, then
1321                // tree-sitter-md extends the range of the content node to include
1322                // the backticks.
1323                if text.ends_with(CODE_FENCE_DELIMITER) {
1324                    text.drain((text.len() - CODE_FENCE_DELIMITER.len())..);
1325                }
1326
1327                (!text.is_empty()).then_some((text, true))
1328            } else {
1329                let selection = text_thread_editor.selections.newest_adjusted(&display_map);
1330                let buffer = text_thread_editor.buffer().read(cx).snapshot(cx);
1331                let selected_text = buffer.text_for_range(selection.range()).collect::<String>();
1332
1333                (!selected_text.is_empty()).then_some((selected_text, false))
1334            }
1335        })
1336    }
1337
1338    pub fn insert_selection(
1339        workspace: &mut Workspace,
1340        _: &InsertIntoEditor,
1341        window: &mut Window,
1342        cx: &mut Context<Workspace>,
1343    ) {
1344        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1345            return;
1346        };
1347        let Some(context_editor_view) =
1348            agent_panel_delegate.active_text_thread_editor(workspace, window, cx)
1349        else {
1350            return;
1351        };
1352        let Some(active_editor_view) = workspace
1353            .active_item(cx)
1354            .and_then(|item| item.act_as::<Editor>(cx))
1355        else {
1356            return;
1357        };
1358
1359        if let Some((text, _)) = Self::get_selection_or_code_block(&context_editor_view, cx) {
1360            active_editor_view.update(cx, |editor, cx| {
1361                editor.insert(&text, window, cx);
1362                editor.focus_handle(cx).focus(window, cx);
1363            })
1364        }
1365    }
1366
1367    pub fn copy_code(
1368        workspace: &mut Workspace,
1369        _: &CopyCode,
1370        window: &mut Window,
1371        cx: &mut Context<Workspace>,
1372    ) {
1373        let result = maybe!({
1374            let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
1375            let context_editor_view =
1376                agent_panel_delegate.active_text_thread_editor(workspace, window, cx)?;
1377            Self::get_selection_or_code_block(&context_editor_view, cx)
1378        });
1379        let Some((text, is_code_block)) = result else {
1380            return;
1381        };
1382
1383        cx.write_to_clipboard(ClipboardItem::new_string(text));
1384
1385        struct CopyToClipboardToast;
1386        workspace.show_toast(
1387            Toast::new(
1388                NotificationId::unique::<CopyToClipboardToast>(),
1389                format!(
1390                    "{} copied to clipboard.",
1391                    if is_code_block {
1392                        "Code block"
1393                    } else {
1394                        "Selection"
1395                    }
1396                ),
1397            )
1398            .autohide(),
1399            cx,
1400        );
1401    }
1402
1403    pub fn handle_insert_dragged_files(
1404        workspace: &mut Workspace,
1405        action: &InsertDraggedFiles,
1406        window: &mut Window,
1407        cx: &mut Context<Workspace>,
1408    ) {
1409        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1410            return;
1411        };
1412        let Some(context_editor_view) =
1413            agent_panel_delegate.active_text_thread_editor(workspace, window, cx)
1414        else {
1415            return;
1416        };
1417
1418        let project = context_editor_view.read(cx).project.clone();
1419
1420        let paths = match action {
1421            InsertDraggedFiles::ProjectPaths(paths) => Task::ready((paths.clone(), vec![])),
1422            InsertDraggedFiles::ExternalFiles(paths) => {
1423                let tasks = paths
1424                    .clone()
1425                    .into_iter()
1426                    .map(|path| Workspace::project_path_for_path(project.clone(), &path, false, cx))
1427                    .collect::<Vec<_>>();
1428
1429                cx.background_spawn(async move {
1430                    let mut paths = vec![];
1431                    let mut worktrees = vec![];
1432
1433                    let opened_paths = futures::future::join_all(tasks).await;
1434
1435                    for entry in opened_paths {
1436                        if let Some((worktree, project_path)) = entry.log_err() {
1437                            worktrees.push(worktree);
1438                            paths.push(project_path);
1439                        }
1440                    }
1441
1442                    (paths, worktrees)
1443                })
1444            }
1445        };
1446
1447        context_editor_view.update(cx, |_, cx| {
1448            cx.spawn_in(window, async move |this, cx| {
1449                let (paths, dragged_file_worktrees) = paths.await;
1450                this.update_in(cx, |this, window, cx| {
1451                    this.insert_dragged_files(paths, dragged_file_worktrees, window, cx);
1452                })
1453                .ok();
1454            })
1455            .detach();
1456        })
1457    }
1458
1459    pub fn insert_dragged_files(
1460        &mut self,
1461        opened_paths: Vec<ProjectPath>,
1462        added_worktrees: Vec<Entity<Worktree>>,
1463        window: &mut Window,
1464        cx: &mut Context<Self>,
1465    ) {
1466        let mut file_slash_command_args = vec![];
1467        for project_path in opened_paths.into_iter() {
1468            let Some(worktree) = self
1469                .project
1470                .read(cx)
1471                .worktree_for_id(project_path.worktree_id, cx)
1472            else {
1473                continue;
1474            };
1475            let path_style = worktree.read(cx).path_style();
1476            let full_path = worktree
1477                .read(cx)
1478                .root_name()
1479                .join(&project_path.path)
1480                .display(path_style)
1481                .into_owned();
1482            file_slash_command_args.push(full_path);
1483        }
1484
1485        let cmd_name = FileSlashCommand.name();
1486
1487        let file_argument = file_slash_command_args.join(" ");
1488
1489        self.editor.update(cx, |editor, cx| {
1490            editor.insert("\n", window, cx);
1491            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
1492        });
1493        self.confirm_command(&ConfirmCommand, window, cx);
1494        self.dragged_file_worktrees.extend(added_worktrees);
1495    }
1496
1497    pub fn quote_selection(
1498        workspace: &mut Workspace,
1499        _: &AddSelectionToThread,
1500        window: &mut Window,
1501        cx: &mut Context<Workspace>,
1502    ) {
1503        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
1504            return;
1505        };
1506
1507        // Get buffer info for the delegate call (even if empty, AcpThreadView ignores these
1508        // params and calls insert_selections which handles both terminal and buffer)
1509        if let Some((selections, buffer)) = maybe!({
1510            let editor = workspace
1511                .active_item(cx)
1512                .and_then(|item| item.act_as::<Editor>(cx))?;
1513
1514            let buffer = editor.read(cx).buffer().clone();
1515            let snapshot = buffer.read(cx).snapshot(cx);
1516            let selections = editor.update(cx, |editor, cx| {
1517                editor
1518                    .selections
1519                    .all_adjusted(&editor.display_snapshot(cx))
1520                    .into_iter()
1521                    .filter_map(|s| {
1522                        (!s.is_empty())
1523                            .then(|| snapshot.anchor_after(s.start)..snapshot.anchor_before(s.end))
1524                    })
1525                    .collect::<Vec<_>>()
1526            });
1527            Some((selections, buffer))
1528        }) {
1529            agent_panel_delegate.quote_selection(workspace, selections, buffer, window, cx);
1530        }
1531    }
1532
1533    pub fn quote_ranges(
1534        &mut self,
1535        ranges: Vec<Range<Point>>,
1536        snapshot: MultiBufferSnapshot,
1537        window: &mut Window,
1538        cx: &mut Context<Self>,
1539    ) {
1540        let creases = selections_creases(ranges, snapshot, cx);
1541
1542        self.editor.update(cx, |editor, cx| {
1543            editor.insert("\n", window, cx);
1544            for (text, crease_title) in creases {
1545                let point = editor
1546                    .selections
1547                    .newest::<Point>(&editor.display_snapshot(cx))
1548                    .head();
1549                let start_row = MultiBufferRow(point.row);
1550
1551                editor.insert(&text, window, cx);
1552
1553                let snapshot = editor.buffer().read(cx).snapshot(cx);
1554                let anchor_before = snapshot.anchor_after(point);
1555                let anchor_after = editor
1556                    .selections
1557                    .newest_anchor()
1558                    .head()
1559                    .bias_left(&snapshot);
1560
1561                editor.insert("\n", window, cx);
1562
1563                let fold_placeholder =
1564                    quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1565                let crease = Crease::inline(
1566                    anchor_before..anchor_after,
1567                    fold_placeholder,
1568                    render_quote_selection_output_toggle,
1569                    |_, _, _, _| Empty.into_any(),
1570                );
1571                editor.insert_creases(vec![crease], cx);
1572                editor.fold_at(start_row, window, cx);
1573            }
1574        })
1575    }
1576
1577    pub fn quote_terminal_text(
1578        &mut self,
1579        text: String,
1580        window: &mut Window,
1581        cx: &mut Context<Self>,
1582    ) {
1583        let crease_title = "terminal".to_string();
1584        let formatted_text = format!("```console\n{}\n```\n", text);
1585
1586        self.editor.update(cx, |editor, cx| {
1587            // Insert newline first if not at the start of a line
1588            let point = editor
1589                .selections
1590                .newest::<Point>(&editor.display_snapshot(cx))
1591                .head();
1592            if point.column > 0 {
1593                editor.insert("\n", window, cx);
1594            }
1595
1596            let point = editor
1597                .selections
1598                .newest::<Point>(&editor.display_snapshot(cx))
1599                .head();
1600            let start_row = MultiBufferRow(point.row);
1601
1602            editor.insert(&formatted_text, window, cx);
1603
1604            let snapshot = editor.buffer().read(cx).snapshot(cx);
1605            let anchor_before = snapshot.anchor_after(point);
1606            let anchor_after = editor
1607                .selections
1608                .newest_anchor()
1609                .head()
1610                .bias_left(&snapshot);
1611
1612            let fold_placeholder =
1613                quote_selection_fold_placeholder(crease_title, cx.entity().downgrade());
1614            let crease = Crease::inline(
1615                anchor_before..anchor_after,
1616                fold_placeholder,
1617                render_quote_selection_output_toggle,
1618                |_, _, _, _| Empty.into_any(),
1619            );
1620            editor.insert_creases(vec![crease], cx);
1621            editor.fold_at(start_row, window, cx);
1622        })
1623    }
1624
1625    fn copy(&mut self, _: &editor::actions::Copy, _window: &mut Window, cx: &mut Context<Self>) {
1626        if self.editor.read(cx).selections.count() == 1 {
1627            let (copied_text, metadata, _) = self.get_clipboard_contents(cx);
1628            cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1629                copied_text,
1630                metadata,
1631            ));
1632            cx.stop_propagation();
1633            return;
1634        }
1635
1636        cx.propagate();
1637    }
1638
1639    fn cut(&mut self, _: &editor::actions::Cut, window: &mut Window, cx: &mut Context<Self>) {
1640        if self.editor.read(cx).selections.count() == 1 {
1641            let (copied_text, metadata, selections) = self.get_clipboard_contents(cx);
1642
1643            self.editor.update(cx, |editor, cx| {
1644                editor.transact(window, cx, |this, window, cx| {
1645                    this.change_selections(Default::default(), window, cx, |s| {
1646                        s.select(selections);
1647                    });
1648                    this.insert("", window, cx);
1649                    cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
1650                        copied_text,
1651                        metadata,
1652                    ));
1653                });
1654            });
1655
1656            cx.stop_propagation();
1657            return;
1658        }
1659
1660        cx.propagate();
1661    }
1662
1663    fn get_clipboard_contents(
1664        &mut self,
1665        cx: &mut Context<Self>,
1666    ) -> (
1667        String,
1668        CopyMetadata,
1669        Vec<text::Selection<MultiBufferOffset>>,
1670    ) {
1671        let (mut selection, creases) = self.editor.update(cx, |editor, cx| {
1672            let mut selection = editor
1673                .selections
1674                .newest_adjusted(&editor.display_snapshot(cx));
1675            let snapshot = editor.buffer().read(cx).snapshot(cx);
1676
1677            selection.goal = SelectionGoal::None;
1678
1679            let selection_start = snapshot.point_to_offset(selection.start);
1680
1681            (
1682                selection.map(|point| snapshot.point_to_offset(point)),
1683                editor.display_map.update(cx, |display_map, cx| {
1684                    display_map
1685                        .snapshot(cx)
1686                        .crease_snapshot
1687                        .creases_in_range(
1688                            MultiBufferRow(selection.start.row)
1689                                ..MultiBufferRow(selection.end.row + 1),
1690                            &snapshot,
1691                        )
1692                        .filter_map(|crease| {
1693                            if let Crease::Inline {
1694                                range, metadata, ..
1695                            } = &crease
1696                            {
1697                                let metadata = metadata.as_ref()?;
1698                                let start = range
1699                                    .start
1700                                    .to_offset(&snapshot)
1701                                    .saturating_sub(selection_start);
1702                                let end = range
1703                                    .end
1704                                    .to_offset(&snapshot)
1705                                    .saturating_sub(selection_start);
1706
1707                                let range_relative_to_selection = start..end;
1708                                if !range_relative_to_selection.is_empty() {
1709                                    return Some(SelectedCreaseMetadata {
1710                                        range_relative_to_selection,
1711                                        crease: metadata.clone(),
1712                                    });
1713                                }
1714                            }
1715                            None
1716                        })
1717                        .collect::<Vec<_>>()
1718                }),
1719            )
1720        });
1721
1722        let text_thread = self.text_thread.read(cx);
1723
1724        let mut text = String::new();
1725
1726        // If selection is empty, we want to copy the entire line
1727        if selection.range().is_empty() {
1728            let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
1729            let point = snapshot.offset_to_point(selection.range().start);
1730            selection.start = snapshot.point_to_offset(Point::new(point.row, 0));
1731            selection.end = snapshot
1732                .point_to_offset(cmp::min(Point::new(point.row + 1, 0), snapshot.max_point()));
1733            for chunk in snapshot.text_for_range(selection.range()) {
1734                text.push_str(chunk);
1735            }
1736        } else {
1737            for message in text_thread.messages(cx) {
1738                if message.offset_range.start >= selection.range().end.0 {
1739                    break;
1740                } else if message.offset_range.end >= selection.range().start.0 {
1741                    let range = cmp::max(message.offset_range.start, selection.range().start.0)
1742                        ..cmp::min(message.offset_range.end, selection.range().end.0);
1743                    if !range.is_empty() {
1744                        for chunk in text_thread.buffer().read(cx).text_for_range(range) {
1745                            text.push_str(chunk);
1746                        }
1747                        if message.offset_range.end < selection.range().end.0 {
1748                            text.push('\n');
1749                        }
1750                    }
1751                }
1752            }
1753        }
1754        (text, CopyMetadata { creases }, vec![selection])
1755    }
1756
1757    fn paste(
1758        &mut self,
1759        action: &editor::actions::Paste,
1760        window: &mut Window,
1761        cx: &mut Context<Self>,
1762    ) {
1763        let Some(workspace) = self.workspace.upgrade() else {
1764            return;
1765        };
1766        let editor_clipboard_selections = cx
1767            .read_from_clipboard()
1768            .and_then(|item| item.entries().first().cloned())
1769            .and_then(|entry| match entry {
1770                ClipboardEntry::String(text) => {
1771                    text.metadata_json::<Vec<editor::ClipboardSelection>>()
1772                }
1773                _ => None,
1774            });
1775
1776        // Insert creases for pasted clipboard selections that:
1777        // 1. Contain exactly one selection
1778        // 2. Have an associated file path
1779        // 3. Span multiple lines (not single-line selections)
1780        // 4. Belong to a file that exists in the current project
1781        let should_insert_creases = util::maybe!({
1782            let selections = editor_clipboard_selections.as_ref()?;
1783            if selections.len() > 1 {
1784                return Some(false);
1785            }
1786            let selection = selections.first()?;
1787            let file_path = selection.file_path.as_ref()?;
1788            let line_range = selection.line_range.as_ref()?;
1789
1790            if line_range.start() == line_range.end() {
1791                return Some(false);
1792            }
1793
1794            Some(
1795                workspace
1796                    .read(cx)
1797                    .project()
1798                    .read(cx)
1799                    .project_path_for_absolute_path(file_path, cx)
1800                    .is_some(),
1801            )
1802        })
1803        .unwrap_or(false);
1804
1805        if should_insert_creases && let Some(clipboard_item) = cx.read_from_clipboard() {
1806            if let Some(ClipboardEntry::String(clipboard_text)) = clipboard_item.entries().first() {
1807                if let Some(selections) = editor_clipboard_selections {
1808                    cx.stop_propagation();
1809
1810                    let text = clipboard_text.text();
1811                    self.editor.update(cx, |editor, cx| {
1812                        let mut current_offset = 0;
1813                        let weak_editor = cx.entity().downgrade();
1814
1815                        for selection in selections {
1816                            if let (Some(file_path), Some(line_range)) =
1817                                (selection.file_path, selection.line_range)
1818                            {
1819                                let selected_text =
1820                                    &text[current_offset..current_offset + selection.len];
1821                                let fence = assistant_slash_commands::codeblock_fence_for_path(
1822                                    file_path.to_str(),
1823                                    Some(line_range.clone()),
1824                                );
1825                                let formatted_text = format!("{fence}{selected_text}\n```");
1826
1827                                let insert_point = editor
1828                                    .selections
1829                                    .newest::<Point>(&editor.display_snapshot(cx))
1830                                    .head();
1831                                let start_row = MultiBufferRow(insert_point.row);
1832
1833                                editor.insert(&formatted_text, window, cx);
1834
1835                                let snapshot = editor.buffer().read(cx).snapshot(cx);
1836                                let anchor_before = snapshot.anchor_after(insert_point);
1837                                let anchor_after = editor
1838                                    .selections
1839                                    .newest_anchor()
1840                                    .head()
1841                                    .bias_left(&snapshot);
1842
1843                                editor.insert("\n", window, cx);
1844
1845                                let crease_text = acp_thread::selection_name(
1846                                    Some(file_path.as_ref()),
1847                                    &line_range,
1848                                );
1849
1850                                let fold_placeholder = quote_selection_fold_placeholder(
1851                                    crease_text,
1852                                    weak_editor.clone(),
1853                                );
1854                                let crease = Crease::inline(
1855                                    anchor_before..anchor_after,
1856                                    fold_placeholder,
1857                                    render_quote_selection_output_toggle,
1858                                    |_, _, _, _| Empty.into_any(),
1859                                );
1860                                editor.insert_creases(vec![crease], cx);
1861                                editor.fold_at(start_row, window, cx);
1862
1863                                current_offset += selection.len;
1864                                if !selection.is_entire_line && current_offset < text.len() {
1865                                    current_offset += 1;
1866                                }
1867                            }
1868                        }
1869                    });
1870                    return;
1871                }
1872            }
1873        }
1874
1875        cx.stop_propagation();
1876
1877        let mut images = if let Some(item) = cx.read_from_clipboard() {
1878            item.into_entries()
1879                .filter_map(|entry| {
1880                    if let ClipboardEntry::Image(image) = entry {
1881                        Some(image)
1882                    } else {
1883                        None
1884                    }
1885                })
1886                .collect()
1887        } else {
1888            Vec::new()
1889        };
1890
1891        if let Some(paths) = cx.read_from_clipboard() {
1892            for path in paths
1893                .into_entries()
1894                .filter_map(|entry| {
1895                    if let ClipboardEntry::ExternalPaths(paths) = entry {
1896                        Some(paths.paths().to_owned())
1897                    } else {
1898                        None
1899                    }
1900                })
1901                .flatten()
1902            {
1903                let Ok(content) = std::fs::read(path) else {
1904                    continue;
1905                };
1906                let Ok(format) = image::guess_format(&content) else {
1907                    continue;
1908                };
1909                images.push(gpui::Image::from_bytes(
1910                    match format {
1911                        image::ImageFormat::Png => gpui::ImageFormat::Png,
1912                        image::ImageFormat::Jpeg => gpui::ImageFormat::Jpeg,
1913                        image::ImageFormat::WebP => gpui::ImageFormat::Webp,
1914                        image::ImageFormat::Gif => gpui::ImageFormat::Gif,
1915                        image::ImageFormat::Bmp => gpui::ImageFormat::Bmp,
1916                        image::ImageFormat::Tiff => gpui::ImageFormat::Tiff,
1917                        image::ImageFormat::Ico => gpui::ImageFormat::Ico,
1918                        _ => continue,
1919                    },
1920                    content,
1921                ));
1922            }
1923        }
1924
1925        let metadata = if let Some(item) = cx.read_from_clipboard() {
1926            item.entries().first().and_then(|entry| {
1927                if let ClipboardEntry::String(text) = entry {
1928                    text.metadata_json::<CopyMetadata>()
1929                } else {
1930                    None
1931                }
1932            })
1933        } else {
1934            None
1935        };
1936
1937        if images.is_empty() {
1938            self.editor.update(cx, |editor, cx| {
1939                let paste_position = editor
1940                    .selections
1941                    .newest::<MultiBufferOffset>(&editor.display_snapshot(cx))
1942                    .head();
1943                editor.paste(action, window, cx);
1944
1945                if let Some(metadata) = metadata {
1946                    let buffer = editor.buffer().read(cx).snapshot(cx);
1947
1948                    let mut buffer_rows_to_fold = BTreeSet::new();
1949                    let weak_editor = cx.entity().downgrade();
1950                    editor.insert_creases(
1951                        metadata.creases.into_iter().map(|metadata| {
1952                            let start = buffer.anchor_after(
1953                                paste_position + metadata.range_relative_to_selection.start,
1954                            );
1955                            let end = buffer.anchor_before(
1956                                paste_position + metadata.range_relative_to_selection.end,
1957                            );
1958
1959                            let buffer_row = MultiBufferRow(start.to_point(&buffer).row);
1960                            buffer_rows_to_fold.insert(buffer_row);
1961                            Crease::inline(
1962                                start..end,
1963                                FoldPlaceholder {
1964                                    render: render_fold_icon_button(
1965                                        weak_editor.clone(),
1966                                        metadata.crease.icon_path.clone(),
1967                                        metadata.crease.label.clone(),
1968                                    ),
1969                                    ..Default::default()
1970                                },
1971                                render_slash_command_output_toggle,
1972                                |_, _, _, _| Empty.into_any(),
1973                            )
1974                            .with_metadata(metadata.crease)
1975                        }),
1976                        cx,
1977                    );
1978                    for buffer_row in buffer_rows_to_fold.into_iter().rev() {
1979                        editor.fold_at(buffer_row, window, cx);
1980                    }
1981                }
1982            });
1983        } else {
1984            let mut image_positions = Vec::new();
1985            self.editor.update(cx, |editor, cx| {
1986                editor.transact(window, cx, |editor, _window, cx| {
1987                    let edits = editor
1988                        .selections
1989                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1990                        .into_iter()
1991                        .map(|selection| (selection.start..selection.end, "\n"));
1992                    editor.edit(edits, cx);
1993
1994                    let snapshot = editor.buffer().read(cx).snapshot(cx);
1995                    for selection in editor
1996                        .selections
1997                        .all::<MultiBufferOffset>(&editor.display_snapshot(cx))
1998                    {
1999                        image_positions.push(snapshot.anchor_before(selection.end));
2000                    }
2001                });
2002            });
2003
2004            self.text_thread.update(cx, |text_thread, cx| {
2005                for image in images {
2006                    let Some(render_image) = image.to_image_data(cx.svg_renderer()).log_err()
2007                    else {
2008                        continue;
2009                    };
2010                    let image_id = image.id();
2011                    let image_task = LanguageModelImage::from_image(Arc::new(image), cx).shared();
2012
2013                    for image_position in image_positions.iter() {
2014                        text_thread.insert_content(
2015                            Content::Image {
2016                                anchor: image_position.text_anchor,
2017                                image_id,
2018                                image: image_task.clone(),
2019                                render_image: render_image.clone(),
2020                            },
2021                            cx,
2022                        );
2023                    }
2024                }
2025            });
2026        }
2027    }
2028
2029    fn paste_raw(&mut self, _: &PasteRaw, window: &mut Window, cx: &mut Context<Self>) {
2030        self.editor.update(cx, |editor, cx| {
2031            editor.paste(&editor::actions::Paste, window, cx);
2032        });
2033    }
2034
2035    fn update_image_blocks(&mut self, cx: &mut Context<Self>) {
2036        self.editor.update(cx, |editor, cx| {
2037            let buffer = editor.buffer().read(cx).snapshot(cx);
2038            let excerpt_id = buffer.as_singleton().unwrap().0;
2039            let old_blocks = std::mem::take(&mut self.image_blocks);
2040            let new_blocks = self
2041                .text_thread
2042                .read(cx)
2043                .contents(cx)
2044                .map(
2045                    |Content::Image {
2046                         anchor,
2047                         render_image,
2048                         ..
2049                     }| (anchor, render_image),
2050                )
2051                .filter_map(|(anchor, render_image)| {
2052                    const MAX_HEIGHT_IN_LINES: u32 = 8;
2053                    let anchor = buffer.anchor_in_excerpt(excerpt_id, anchor).unwrap();
2054                    let image = render_image;
2055                    anchor.is_valid(&buffer).then(|| BlockProperties {
2056                        placement: BlockPlacement::Above(anchor),
2057                        height: Some(MAX_HEIGHT_IN_LINES),
2058                        style: BlockStyle::Sticky,
2059                        render: Arc::new(move |cx| {
2060                            let image_size = size_for_image(
2061                                &image,
2062                                size(
2063                                    cx.max_width - cx.margins.gutter.full_width(),
2064                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
2065                                ),
2066                            );
2067                            h_flex()
2068                                .pl(cx.margins.gutter.full_width())
2069                                .child(
2070                                    img(image.clone())
2071                                        .object_fit(gpui::ObjectFit::ScaleDown)
2072                                        .w(image_size.width)
2073                                        .h(image_size.height),
2074                                )
2075                                .into_any_element()
2076                        }),
2077                        priority: 0,
2078                    })
2079                })
2080                .collect::<Vec<_>>();
2081
2082            editor.remove_blocks(old_blocks, None, cx);
2083            let ids = editor.insert_blocks(new_blocks, None, cx);
2084            self.image_blocks = HashSet::from_iter(ids);
2085        });
2086    }
2087
2088    fn split(&mut self, _: &Split, _window: &mut Window, cx: &mut Context<Self>) {
2089        self.text_thread.update(cx, |text_thread, cx| {
2090            let selections = self.editor.read(cx).selections.disjoint_anchors_arc();
2091            for selection in selections.as_ref() {
2092                let buffer = self.editor.read(cx).buffer().read(cx).snapshot(cx);
2093                let range = selection
2094                    .map(|endpoint| endpoint.to_offset(&buffer))
2095                    .range();
2096                text_thread.split_message(range.start.0..range.end.0, cx);
2097            }
2098        });
2099    }
2100
2101    fn save(&mut self, _: &Save, _window: &mut Window, cx: &mut Context<Self>) {
2102        self.text_thread.update(cx, |text_thread, cx| {
2103            text_thread.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
2104        });
2105    }
2106
2107    pub fn title(&self, cx: &App) -> SharedString {
2108        self.text_thread.read(cx).summary().or_default()
2109    }
2110
2111    pub fn regenerate_summary(&mut self, cx: &mut Context<Self>) {
2112        self.text_thread
2113            .update(cx, |text_thread, cx| text_thread.summarize(true, cx));
2114    }
2115
2116    fn render_remaining_tokens(&self, cx: &App) -> Option<impl IntoElement + use<>> {
2117        let (token_count_color, token_count, max_token_count, tooltip) =
2118            match token_state(&self.text_thread, cx)? {
2119                TokenState::NoTokensLeft {
2120                    max_token_count,
2121                    token_count,
2122                } => (
2123                    Color::Error,
2124                    token_count,
2125                    max_token_count,
2126                    Some("Token Limit Reached"),
2127                ),
2128                TokenState::HasMoreTokens {
2129                    max_token_count,
2130                    token_count,
2131                    over_warn_threshold,
2132                } => {
2133                    let (color, tooltip) = if over_warn_threshold {
2134                        (Color::Warning, Some("Token Limit is Close to Exhaustion"))
2135                    } else {
2136                        (Color::Muted, None)
2137                    };
2138                    (color, token_count, max_token_count, tooltip)
2139                }
2140            };
2141
2142        Some(
2143            h_flex()
2144                .id("token-count")
2145                .gap_0p5()
2146                .child(
2147                    Label::new(humanize_token_count(token_count))
2148                        .size(LabelSize::Small)
2149                        .color(token_count_color),
2150                )
2151                .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2152                .child(
2153                    Label::new(humanize_token_count(max_token_count))
2154                        .size(LabelSize::Small)
2155                        .color(Color::Muted),
2156                )
2157                .when_some(tooltip, |element, tooltip| {
2158                    element.tooltip(Tooltip::text(tooltip))
2159                }),
2160        )
2161    }
2162
2163    fn render_send_button(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2164        let focus_handle = self.focus_handle(cx);
2165
2166        let (style, tooltip) = match token_state(&self.text_thread, cx) {
2167            Some(TokenState::NoTokensLeft { .. }) => (
2168                ButtonStyle::Tinted(TintColor::Error),
2169                Some(Tooltip::text("Token limit reached")(window, cx)),
2170            ),
2171            Some(TokenState::HasMoreTokens {
2172                over_warn_threshold,
2173                ..
2174            }) => {
2175                let (style, tooltip) = if over_warn_threshold {
2176                    (
2177                        ButtonStyle::Tinted(TintColor::Warning),
2178                        Some(Tooltip::text("Token limit is close to exhaustion")(
2179                            window, cx,
2180                        )),
2181                    )
2182                } else {
2183                    (ButtonStyle::Filled, None)
2184                };
2185                (style, tooltip)
2186            }
2187            None => (ButtonStyle::Filled, None),
2188        };
2189
2190        Button::new("send_button", "Send")
2191            .label_size(LabelSize::Small)
2192            .disabled(self.sending_disabled(cx))
2193            .style(style)
2194            .when_some(tooltip, |button, tooltip| {
2195                button.tooltip(move |_, _| tooltip.clone())
2196            })
2197            .layer(ElevationIndex::ModalSurface)
2198            .key_binding(
2199                KeyBinding::for_action_in(&Assist, &focus_handle, cx)
2200                    .map(|kb| kb.size(rems_from_px(12.))),
2201            )
2202            .on_click(move |_event, window, cx| {
2203                focus_handle.dispatch_action(&Assist, window, cx);
2204            })
2205    }
2206
2207    /// Whether or not we should allow messages to be sent.
2208    /// Will return false if the selected provided has a configuration error or
2209    /// if the user has not accepted the terms of service for this provider.
2210    fn sending_disabled(&self, cx: &mut Context<'_, TextThreadEditor>) -> bool {
2211        let model_registry = LanguageModelRegistry::read_global(cx);
2212        let Some(configuration_error) =
2213            model_registry.configuration_error(model_registry.default_model(), cx)
2214        else {
2215            return false;
2216        };
2217
2218        match configuration_error {
2219            ConfigurationError::NoProvider
2220            | ConfigurationError::ModelNotFound
2221            | ConfigurationError::ProviderNotAuthenticated(_) => true,
2222        }
2223    }
2224
2225    fn render_inject_context_menu(&self, cx: &mut Context<Self>) -> impl IntoElement {
2226        slash_command_picker::SlashCommandSelector::new(
2227            self.slash_commands.clone(),
2228            cx.entity().downgrade(),
2229            IconButton::new("trigger", IconName::Plus)
2230                .icon_size(IconSize::Small)
2231                .icon_color(Color::Muted)
2232                .selected_icon_color(Color::Accent)
2233                .selected_style(ButtonStyle::Filled),
2234            move |_window, cx| {
2235                Tooltip::with_meta("Add Context", None, "Type / to insert via keyboard", cx)
2236            },
2237        )
2238    }
2239
2240    fn render_language_model_selector(
2241        &self,
2242        window: &mut Window,
2243        cx: &mut Context<Self>,
2244    ) -> impl IntoElement {
2245        let active_model = LanguageModelRegistry::read_global(cx)
2246            .default_model()
2247            .map(|default| default.model);
2248        let model_name = match active_model {
2249            Some(model) => model.name().0,
2250            None => SharedString::from("Select Model"),
2251        };
2252
2253        let active_provider = LanguageModelRegistry::read_global(cx)
2254            .default_model()
2255            .map(|default| default.provider);
2256
2257        let provider_icon = active_provider
2258            .as_ref()
2259            .map(|p| p.icon())
2260            .unwrap_or(IconOrSvg::Icon(IconName::Ai));
2261
2262        let (color, icon) = if self.language_model_selector_menu_handle.is_deployed() {
2263            (Color::Accent, IconName::ChevronUp)
2264        } else {
2265            (Color::Muted, IconName::ChevronDown)
2266        };
2267
2268        let provider_icon_element = match provider_icon {
2269            IconOrSvg::Svg(path) => Icon::from_external_svg(path),
2270            IconOrSvg::Icon(name) => Icon::new(name),
2271        }
2272        .color(color)
2273        .size(IconSize::XSmall);
2274
2275        let show_cycle_row = self
2276            .language_model_selector
2277            .read(cx)
2278            .delegate
2279            .favorites_count()
2280            > 1;
2281
2282        let tooltip = Tooltip::element({
2283            move |_, _cx| {
2284                ModelSelectorTooltip::new()
2285                    .show_cycle_row(show_cycle_row)
2286                    .into_any_element()
2287            }
2288        });
2289
2290        PickerPopoverMenu::new(
2291            self.language_model_selector.clone(),
2292            ButtonLike::new("active-model")
2293                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
2294                .child(
2295                    h_flex()
2296                        .gap_0p5()
2297                        .child(provider_icon_element)
2298                        .child(
2299                            Label::new(model_name)
2300                                .color(color)
2301                                .size(LabelSize::Small)
2302                                .ml_0p5(),
2303                        )
2304                        .child(Icon::new(icon).color(color).size(IconSize::XSmall)),
2305                ),
2306            tooltip,
2307            gpui::Corner::BottomRight,
2308            cx,
2309        )
2310        .with_handle(self.language_model_selector_menu_handle.clone())
2311        .render(window, cx)
2312    }
2313
2314    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2315        let last_error = self.last_error.as_ref()?;
2316
2317        Some(
2318            div()
2319                .absolute()
2320                .right_3()
2321                .bottom_12()
2322                .max_w_96()
2323                .py_2()
2324                .px_3()
2325                .elevation_2(cx)
2326                .occlude()
2327                .child(match last_error {
2328                    AssistError::PaymentRequired => self.render_payment_required_error(cx),
2329                    AssistError::Message(error_message) => {
2330                        self.render_assist_error(error_message, cx)
2331                    }
2332                })
2333                .into_any(),
2334        )
2335    }
2336
2337    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> AnyElement {
2338        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.";
2339
2340        v_flex()
2341            .gap_0p5()
2342            .child(
2343                h_flex()
2344                    .gap_1p5()
2345                    .items_center()
2346                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2347                    .child(Label::new("Free Usage Exceeded").weight(FontWeight::MEDIUM)),
2348            )
2349            .child(
2350                div()
2351                    .id("error-message")
2352                    .max_h_24()
2353                    .overflow_y_scroll()
2354                    .child(Label::new(ERROR_MESSAGE)),
2355            )
2356            .child(
2357                h_flex()
2358                    .justify_end()
2359                    .mt_1()
2360                    .child(Button::new("subscribe", "Subscribe").on_click(cx.listener(
2361                        |this, _, _window, cx| {
2362                            this.last_error = None;
2363                            cx.open_url(&zed_urls::account_url(cx));
2364                            cx.notify();
2365                        },
2366                    )))
2367                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2368                        |this, _, _window, cx| {
2369                            this.last_error = None;
2370                            cx.notify();
2371                        },
2372                    ))),
2373            )
2374            .into_any()
2375    }
2376
2377    fn render_assist_error(
2378        &self,
2379        error_message: &SharedString,
2380        cx: &mut Context<Self>,
2381    ) -> AnyElement {
2382        v_flex()
2383            .gap_0p5()
2384            .child(
2385                h_flex()
2386                    .gap_1p5()
2387                    .items_center()
2388                    .child(Icon::new(IconName::XCircle).color(Color::Error))
2389                    .child(
2390                        Label::new("Error interacting with language model")
2391                            .weight(FontWeight::MEDIUM),
2392                    ),
2393            )
2394            .child(
2395                div()
2396                    .id("error-message")
2397                    .max_h_32()
2398                    .overflow_y_scroll()
2399                    .child(Label::new(error_message.clone())),
2400            )
2401            .child(
2402                h_flex()
2403                    .justify_end()
2404                    .mt_1()
2405                    .child(Button::new("dismiss", "Dismiss").on_click(cx.listener(
2406                        |this, _, _window, cx| {
2407                            this.last_error = None;
2408                            cx.notify();
2409                        },
2410                    ))),
2411            )
2412            .into_any()
2413    }
2414}
2415
2416/// Returns the contents of the *outermost* fenced code block that contains the given offset.
2417fn find_surrounding_code_block(snapshot: &BufferSnapshot, offset: usize) -> Option<Range<usize>> {
2418    const CODE_BLOCK_NODE: &str = "fenced_code_block";
2419    const CODE_BLOCK_CONTENT: &str = "code_fence_content";
2420
2421    let layer = snapshot.syntax_layers().next()?;
2422
2423    let root_node = layer.node();
2424    let mut cursor = root_node.walk();
2425
2426    // Go to the first child for the given offset
2427    while cursor.goto_first_child_for_byte(offset).is_some() {
2428        // If we're at the end of the node, go to the next one.
2429        // Example: if you have a fenced-code-block, and you're on the start of the line
2430        // right after the closing ```, you want to skip the fenced-code-block and
2431        // go to the next sibling.
2432        if cursor.node().end_byte() == offset {
2433            cursor.goto_next_sibling();
2434        }
2435
2436        if cursor.node().start_byte() > offset {
2437            break;
2438        }
2439
2440        // We found the fenced code block.
2441        if cursor.node().kind() == CODE_BLOCK_NODE {
2442            // Now we need to find the child node that contains the code.
2443            cursor.goto_first_child();
2444            loop {
2445                if cursor.node().kind() == CODE_BLOCK_CONTENT {
2446                    return Some(cursor.node().byte_range());
2447                }
2448                if !cursor.goto_next_sibling() {
2449                    break;
2450                }
2451            }
2452        }
2453    }
2454
2455    None
2456}
2457
2458fn render_thought_process_fold_icon_button(
2459    editor: WeakEntity<Editor>,
2460    status: ThoughtProcessStatus,
2461) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2462    Arc::new(move |fold_id, fold_range, _cx| {
2463        let editor = editor.clone();
2464
2465        let button = ButtonLike::new(fold_id).layer(ElevationIndex::ElevatedSurface);
2466        let button = match status {
2467            ThoughtProcessStatus::Pending => button
2468                .child(
2469                    Icon::new(IconName::ToolThink)
2470                        .size(IconSize::Small)
2471                        .color(Color::Muted),
2472                )
2473                .child(
2474                    Label::new("Thinking…").color(Color::Muted).with_animation(
2475                        "pulsating-label",
2476                        Animation::new(Duration::from_secs(2))
2477                            .repeat()
2478                            .with_easing(pulsating_between(0.4, 0.8)),
2479                        |label, delta| label.alpha(delta),
2480                    ),
2481                ),
2482            ThoughtProcessStatus::Completed => button
2483                .style(ButtonStyle::Filled)
2484                .child(Icon::new(IconName::ToolThink).size(IconSize::Small))
2485                .child(Label::new("Thought Process").single_line()),
2486        };
2487
2488        button
2489            .on_click(move |_, window, cx| {
2490                editor
2491                    .update(cx, |editor, cx| {
2492                        let buffer_start = fold_range
2493                            .start
2494                            .to_point(&editor.buffer().read(cx).read(cx));
2495                        let buffer_row = MultiBufferRow(buffer_start.row);
2496                        editor.unfold_at(buffer_row, window, cx);
2497                    })
2498                    .ok();
2499            })
2500            .into_any_element()
2501    })
2502}
2503
2504fn render_fold_icon_button(
2505    editor: WeakEntity<Editor>,
2506    icon_path: SharedString,
2507    label: SharedString,
2508) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
2509    Arc::new(move |fold_id, fold_range, _cx| {
2510        let editor = editor.clone();
2511        ButtonLike::new(fold_id)
2512            .style(ButtonStyle::Filled)
2513            .layer(ElevationIndex::ElevatedSurface)
2514            .child(Icon::from_path(icon_path.clone()))
2515            .child(Label::new(label.clone()).single_line())
2516            .on_click(move |_, window, cx| {
2517                editor
2518                    .update(cx, |editor, cx| {
2519                        let buffer_start = fold_range
2520                            .start
2521                            .to_point(&editor.buffer().read(cx).read(cx));
2522                        let buffer_row = MultiBufferRow(buffer_start.row);
2523                        editor.unfold_at(buffer_row, window, cx);
2524                    })
2525                    .ok();
2526            })
2527            .into_any_element()
2528    })
2529}
2530
2531type ToggleFold = Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>;
2532
2533fn render_slash_command_output_toggle(
2534    row: MultiBufferRow,
2535    is_folded: bool,
2536    fold: ToggleFold,
2537    _window: &mut Window,
2538    _cx: &mut App,
2539) -> AnyElement {
2540    Disclosure::new(
2541        ("slash-command-output-fold-indicator", row.0 as u64),
2542        !is_folded,
2543    )
2544    .toggle_state(is_folded)
2545    .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2546    .into_any_element()
2547}
2548
2549pub fn fold_toggle(
2550    name: &'static str,
2551) -> impl Fn(
2552    MultiBufferRow,
2553    bool,
2554    Arc<dyn Fn(bool, &mut Window, &mut App) + Send + Sync>,
2555    &mut Window,
2556    &mut App,
2557) -> AnyElement {
2558    move |row, is_folded, fold, _window, _cx| {
2559        Disclosure::new((name, row.0 as u64), !is_folded)
2560            .toggle_state(is_folded)
2561            .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2562            .into_any_element()
2563    }
2564}
2565
2566fn quote_selection_fold_placeholder(title: String, editor: WeakEntity<Editor>) -> FoldPlaceholder {
2567    FoldPlaceholder {
2568        render: Arc::new({
2569            move |fold_id, fold_range, _cx| {
2570                let editor = editor.clone();
2571                ButtonLike::new(fold_id)
2572                    .style(ButtonStyle::Filled)
2573                    .layer(ElevationIndex::ElevatedSurface)
2574                    .child(Icon::new(IconName::TextSnippet))
2575                    .child(Label::new(title.clone()).single_line())
2576                    .on_click(move |_, window, cx| {
2577                        editor
2578                            .update(cx, |editor, cx| {
2579                                let buffer_start = fold_range
2580                                    .start
2581                                    .to_point(&editor.buffer().read(cx).read(cx));
2582                                let buffer_row = MultiBufferRow(buffer_start.row);
2583                                editor.unfold_at(buffer_row, window, cx);
2584                            })
2585                            .ok();
2586                    })
2587                    .into_any_element()
2588            }
2589        }),
2590        merge_adjacent: false,
2591        ..Default::default()
2592    }
2593}
2594
2595fn render_quote_selection_output_toggle(
2596    row: MultiBufferRow,
2597    is_folded: bool,
2598    fold: ToggleFold,
2599    _window: &mut Window,
2600    _cx: &mut App,
2601) -> AnyElement {
2602    Disclosure::new(("quote-selection-indicator", row.0 as u64), !is_folded)
2603        .toggle_state(is_folded)
2604        .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
2605        .into_any_element()
2606}
2607
2608fn render_pending_slash_command_gutter_decoration(
2609    row: MultiBufferRow,
2610    status: &PendingSlashCommandStatus,
2611    confirm_command: Arc<dyn Fn(&mut Window, &mut App)>,
2612) -> AnyElement {
2613    let mut icon = IconButton::new(
2614        ("slash-command-gutter-decoration", row.0),
2615        ui::IconName::TriangleRight,
2616    )
2617    .on_click(move |_e, window, cx| confirm_command(window, cx))
2618    .icon_size(ui::IconSize::Small)
2619    .size(ui::ButtonSize::None);
2620
2621    match status {
2622        PendingSlashCommandStatus::Idle => {
2623            icon = icon.icon_color(Color::Muted);
2624        }
2625        PendingSlashCommandStatus::Running { .. } => {
2626            icon = icon.toggle_state(true);
2627        }
2628        PendingSlashCommandStatus::Error(_) => icon = icon.icon_color(Color::Error),
2629    }
2630
2631    icon.into_any_element()
2632}
2633
2634#[derive(Debug, Clone, Serialize, Deserialize)]
2635struct CopyMetadata {
2636    creases: Vec<SelectedCreaseMetadata>,
2637}
2638
2639#[derive(Debug, Clone, Serialize, Deserialize)]
2640struct SelectedCreaseMetadata {
2641    range_relative_to_selection: Range<usize>,
2642    crease: CreaseMetadata,
2643}
2644
2645impl EventEmitter<EditorEvent> for TextThreadEditor {}
2646impl EventEmitter<SearchEvent> for TextThreadEditor {}
2647
2648impl Render for TextThreadEditor {
2649    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2650        let language_model_selector = self.language_model_selector_menu_handle.clone();
2651
2652        v_flex()
2653            .key_context("ContextEditor")
2654            .capture_action(cx.listener(TextThreadEditor::cancel))
2655            .capture_action(cx.listener(TextThreadEditor::save))
2656            .capture_action(cx.listener(TextThreadEditor::copy))
2657            .capture_action(cx.listener(TextThreadEditor::cut))
2658            .capture_action(cx.listener(TextThreadEditor::paste))
2659            .on_action(cx.listener(TextThreadEditor::paste_raw))
2660            .capture_action(cx.listener(TextThreadEditor::cycle_message_role))
2661            .capture_action(cx.listener(TextThreadEditor::confirm_command))
2662            .on_action(cx.listener(TextThreadEditor::assist))
2663            .on_action(cx.listener(TextThreadEditor::split))
2664            .on_action(move |_: &ToggleModelSelector, window, cx| {
2665                language_model_selector.toggle(window, cx);
2666            })
2667            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
2668                this.language_model_selector.update(cx, |selector, cx| {
2669                    selector.delegate.cycle_favorite_models(window, cx);
2670                });
2671            }))
2672            .size_full()
2673            .child(
2674                div()
2675                    .flex_grow()
2676                    .bg(cx.theme().colors().editor_background)
2677                    .child(self.editor.clone()),
2678            )
2679            .children(self.render_last_error(cx))
2680            .child(
2681                h_flex()
2682                    .relative()
2683                    .py_2()
2684                    .pl_1p5()
2685                    .pr_2()
2686                    .w_full()
2687                    .justify_between()
2688                    .border_t_1()
2689                    .border_color(cx.theme().colors().border_variant)
2690                    .bg(cx.theme().colors().editor_background)
2691                    .child(
2692                        h_flex()
2693                            .gap_0p5()
2694                            .child(self.render_inject_context_menu(cx)),
2695                    )
2696                    .child(
2697                        h_flex()
2698                            .gap_2p5()
2699                            .children(self.render_remaining_tokens(cx))
2700                            .child(
2701                                h_flex()
2702                                    .gap_1()
2703                                    .child(self.render_language_model_selector(window, cx))
2704                                    .child(self.render_send_button(window, cx)),
2705                            ),
2706                    ),
2707            )
2708    }
2709}
2710
2711impl Focusable for TextThreadEditor {
2712    fn focus_handle(&self, cx: &App) -> FocusHandle {
2713        self.editor.focus_handle(cx)
2714    }
2715}
2716
2717impl Item for TextThreadEditor {
2718    type Event = editor::EditorEvent;
2719
2720    fn tab_content_text(&self, _detail: usize, cx: &App) -> SharedString {
2721        util::truncate_and_trailoff(&self.title(cx), MAX_TAB_TITLE_LEN).into()
2722    }
2723
2724    fn to_item_events(event: &Self::Event, f: &mut dyn FnMut(item::ItemEvent)) {
2725        match event {
2726            EditorEvent::Edited { .. } => {
2727                f(item::ItemEvent::Edit);
2728            }
2729            EditorEvent::TitleChanged => {
2730                f(item::ItemEvent::UpdateTab);
2731            }
2732            _ => {}
2733        }
2734    }
2735
2736    fn tab_tooltip_text(&self, cx: &App) -> Option<SharedString> {
2737        Some(self.title(cx).to_string().into())
2738    }
2739
2740    fn as_searchable(
2741        &self,
2742        handle: &Entity<Self>,
2743        _: &App,
2744    ) -> Option<Box<dyn SearchableItemHandle>> {
2745        Some(Box::new(handle.clone()))
2746    }
2747
2748    fn set_nav_history(
2749        &mut self,
2750        nav_history: pane::ItemNavHistory,
2751        window: &mut Window,
2752        cx: &mut Context<Self>,
2753    ) {
2754        self.editor.update(cx, |editor, cx| {
2755            Item::set_nav_history(editor, nav_history, window, cx)
2756        })
2757    }
2758
2759    fn navigate(
2760        &mut self,
2761        data: Arc<dyn Any + Send>,
2762        window: &mut Window,
2763        cx: &mut Context<Self>,
2764    ) -> bool {
2765        self.editor
2766            .update(cx, |editor, cx| Item::navigate(editor, data, window, cx))
2767    }
2768
2769    fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2770        self.editor
2771            .update(cx, |editor, cx| Item::deactivated(editor, window, cx))
2772    }
2773
2774    fn act_as_type<'a>(
2775        &'a self,
2776        type_id: TypeId,
2777        self_handle: &'a Entity<Self>,
2778        _: &'a App,
2779    ) -> Option<gpui::AnyEntity> {
2780        if type_id == TypeId::of::<Self>() {
2781            Some(self_handle.clone().into())
2782        } else if type_id == TypeId::of::<Editor>() {
2783            Some(self.editor.clone().into())
2784        } else {
2785            None
2786        }
2787    }
2788
2789    fn include_in_nav_history() -> bool {
2790        false
2791    }
2792}
2793
2794impl SearchableItem for TextThreadEditor {
2795    type Match = <Editor as SearchableItem>::Match;
2796
2797    fn clear_matches(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2798        self.editor.update(cx, |editor, cx| {
2799            editor.clear_matches(window, cx);
2800        });
2801    }
2802
2803    fn update_matches(
2804        &mut self,
2805        matches: &[Self::Match],
2806        active_match_index: Option<usize>,
2807        token: SearchToken,
2808        window: &mut Window,
2809        cx: &mut Context<Self>,
2810    ) {
2811        self.editor.update(cx, |editor, cx| {
2812            editor.update_matches(matches, active_match_index, token, window, cx)
2813        });
2814    }
2815
2816    fn query_suggestion(&mut self, window: &mut Window, cx: &mut Context<Self>) -> String {
2817        self.editor
2818            .update(cx, |editor, cx| editor.query_suggestion(window, cx))
2819    }
2820
2821    fn activate_match(
2822        &mut self,
2823        index: usize,
2824        matches: &[Self::Match],
2825        token: SearchToken,
2826        window: &mut Window,
2827        cx: &mut Context<Self>,
2828    ) {
2829        self.editor.update(cx, |editor, cx| {
2830            editor.activate_match(index, matches, token, window, cx);
2831        });
2832    }
2833
2834    fn select_matches(
2835        &mut self,
2836        matches: &[Self::Match],
2837        token: SearchToken,
2838        window: &mut Window,
2839        cx: &mut Context<Self>,
2840    ) {
2841        self.editor.update(cx, |editor, cx| {
2842            editor.select_matches(matches, token, window, cx)
2843        });
2844    }
2845
2846    fn replace(
2847        &mut self,
2848        identifier: &Self::Match,
2849        query: &project::search::SearchQuery,
2850        token: SearchToken,
2851        window: &mut Window,
2852        cx: &mut Context<Self>,
2853    ) {
2854        self.editor.update(cx, |editor, cx| {
2855            editor.replace(identifier, query, token, window, cx)
2856        });
2857    }
2858
2859    fn find_matches(
2860        &mut self,
2861        query: Arc<project::search::SearchQuery>,
2862        window: &mut Window,
2863        cx: &mut Context<Self>,
2864    ) -> Task<Vec<Self::Match>> {
2865        self.editor
2866            .update(cx, |editor, cx| editor.find_matches(query, window, cx))
2867    }
2868
2869    fn active_match_index(
2870        &mut self,
2871        direction: Direction,
2872        matches: &[Self::Match],
2873        token: SearchToken,
2874        window: &mut Window,
2875        cx: &mut Context<Self>,
2876    ) -> Option<usize> {
2877        self.editor.update(cx, |editor, cx| {
2878            editor.active_match_index(direction, matches, token, window, cx)
2879        })
2880    }
2881}
2882
2883impl FollowableItem for TextThreadEditor {
2884    fn remote_id(&self) -> Option<workspace::ViewId> {
2885        self.remote_id
2886    }
2887
2888    fn to_state_proto(&self, window: &mut Window, cx: &mut App) -> Option<proto::view::Variant> {
2889        let context_id = self.text_thread.read(cx).id().to_proto();
2890        let editor_proto = self
2891            .editor
2892            .update(cx, |editor, cx| editor.to_state_proto(window, cx));
2893        Some(proto::view::Variant::ContextEditor(
2894            proto::view::ContextEditor {
2895                context_id,
2896                editor: if let Some(proto::view::Variant::Editor(proto)) = editor_proto {
2897                    Some(proto)
2898                } else {
2899                    None
2900                },
2901            },
2902        ))
2903    }
2904
2905    fn from_state_proto(
2906        workspace: Entity<Workspace>,
2907        id: workspace::ViewId,
2908        state: &mut Option<proto::view::Variant>,
2909        window: &mut Window,
2910        cx: &mut App,
2911    ) -> Option<Task<Result<Entity<Self>>>> {
2912        let proto::view::Variant::ContextEditor(_) = state.as_ref()? else {
2913            return None;
2914        };
2915        let Some(proto::view::Variant::ContextEditor(state)) = state.take() else {
2916            unreachable!()
2917        };
2918
2919        let text_thread_id = TextThreadId::from_proto(state.context_id);
2920        let editor_state = state.editor?;
2921
2922        let project = workspace.read(cx).project().clone();
2923        let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
2924
2925        let text_thread_editor_task = workspace.update(cx, |workspace, cx| {
2926            agent_panel_delegate.open_remote_text_thread(workspace, text_thread_id, window, cx)
2927        });
2928
2929        Some(window.spawn(cx, async move |cx| {
2930            let text_thread_editor = text_thread_editor_task.await?;
2931            text_thread_editor
2932                .update_in(cx, |text_thread_editor, window, cx| {
2933                    text_thread_editor.remote_id = Some(id);
2934                    text_thread_editor.editor.update(cx, |editor, cx| {
2935                        editor.apply_update_proto(
2936                            &project,
2937                            proto::update_view::Variant::Editor(proto::update_view::Editor {
2938                                selections: editor_state.selections,
2939                                pending_selection: editor_state.pending_selection,
2940                                scroll_top_anchor: editor_state.scroll_top_anchor,
2941                                scroll_x: editor_state.scroll_y,
2942                                scroll_y: editor_state.scroll_y,
2943                                ..Default::default()
2944                            }),
2945                            window,
2946                            cx,
2947                        )
2948                    })
2949                })?
2950                .await?;
2951            Ok(text_thread_editor)
2952        }))
2953    }
2954
2955    fn to_follow_event(event: &Self::Event) -> Option<item::FollowEvent> {
2956        Editor::to_follow_event(event)
2957    }
2958
2959    fn add_event_to_update_proto(
2960        &self,
2961        event: &Self::Event,
2962        update: &mut Option<proto::update_view::Variant>,
2963        window: &mut Window,
2964        cx: &mut App,
2965    ) -> bool {
2966        self.editor.update(cx, |editor, cx| {
2967            editor.add_event_to_update_proto(event, update, window, cx)
2968        })
2969    }
2970
2971    fn apply_update_proto(
2972        &mut self,
2973        project: &Entity<Project>,
2974        message: proto::update_view::Variant,
2975        window: &mut Window,
2976        cx: &mut Context<Self>,
2977    ) -> Task<Result<()>> {
2978        self.editor.update(cx, |editor, cx| {
2979            editor.apply_update_proto(project, message, window, cx)
2980        })
2981    }
2982
2983    fn is_project_item(&self, _window: &Window, _cx: &App) -> bool {
2984        true
2985    }
2986
2987    fn set_leader_id(
2988        &mut self,
2989        leader_id: Option<CollaboratorId>,
2990        window: &mut Window,
2991        cx: &mut Context<Self>,
2992    ) {
2993        self.editor
2994            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
2995    }
2996
2997    fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<item::Dedup> {
2998        if existing.text_thread.read(cx).id() == self.text_thread.read(cx).id() {
2999            Some(item::Dedup::KeepExisting)
3000        } else {
3001            None
3002        }
3003    }
3004}
3005
3006enum PendingSlashCommand {}
3007
3008fn invoked_slash_command_fold_placeholder(
3009    command_id: InvokedSlashCommandId,
3010    text_thread: WeakEntity<TextThread>,
3011) -> FoldPlaceholder {
3012    FoldPlaceholder {
3013        collapsed_text: None,
3014        constrain_width: false,
3015        merge_adjacent: false,
3016        render: Arc::new(move |fold_id, _, cx| {
3017            let Some(text_thread) = text_thread.upgrade() else {
3018                return Empty.into_any();
3019            };
3020
3021            let Some(command) = text_thread.read(cx).invoked_slash_command(&command_id) else {
3022                return Empty.into_any();
3023            };
3024
3025            h_flex()
3026                .id(fold_id)
3027                .px_1()
3028                .ml_6()
3029                .gap_2()
3030                .bg(cx.theme().colors().surface_background)
3031                .rounded_sm()
3032                .child(Label::new(format!("/{}", command.name)))
3033                .map(|parent| match &command.status {
3034                    InvokedSlashCommandStatus::Running(_) => {
3035                        parent.child(Icon::new(IconName::ArrowCircle).with_rotate_animation(4))
3036                    }
3037                    InvokedSlashCommandStatus::Error(message) => parent.child(
3038                        Label::new(format!("error: {message}"))
3039                            .single_line()
3040                            .color(Color::Error),
3041                    ),
3042                    InvokedSlashCommandStatus::Finished => parent,
3043                })
3044                .into_any_element()
3045        }),
3046        type_tag: Some(TypeId::of::<PendingSlashCommand>()),
3047    }
3048}
3049
3050enum TokenState {
3051    NoTokensLeft {
3052        max_token_count: u64,
3053        token_count: u64,
3054    },
3055    HasMoreTokens {
3056        max_token_count: u64,
3057        token_count: u64,
3058        over_warn_threshold: bool,
3059    },
3060}
3061
3062fn token_state(text_thread: &Entity<TextThread>, cx: &App) -> Option<TokenState> {
3063    const WARNING_TOKEN_THRESHOLD: f32 = 0.8;
3064
3065    let model = LanguageModelRegistry::read_global(cx)
3066        .default_model()?
3067        .model;
3068    let token_count = text_thread.read(cx).token_count()?;
3069    let max_token_count = model.max_token_count();
3070    let token_state = if max_token_count.saturating_sub(token_count) == 0 {
3071        TokenState::NoTokensLeft {
3072            max_token_count,
3073            token_count,
3074        }
3075    } else {
3076        let over_warn_threshold =
3077            token_count as f32 / max_token_count as f32 >= WARNING_TOKEN_THRESHOLD;
3078        TokenState::HasMoreTokens {
3079            max_token_count,
3080            token_count,
3081            over_warn_threshold,
3082        }
3083    };
3084    Some(token_state)
3085}
3086
3087fn size_for_image(data: &RenderImage, max_size: Size<Pixels>) -> Size<Pixels> {
3088    let image_size = data
3089        .size(0)
3090        .map(|dimension| Pixels::from(u32::from(dimension)));
3091    let image_ratio = image_size.width / image_size.height;
3092    let bounds_ratio = max_size.width / max_size.height;
3093
3094    if image_size.width > max_size.width || image_size.height > max_size.height {
3095        if bounds_ratio > image_ratio {
3096            size(
3097                image_size.width * (max_size.height / image_size.height),
3098                max_size.height,
3099            )
3100        } else {
3101            size(
3102                max_size.width,
3103                image_size.height * (max_size.width / image_size.width),
3104            )
3105        }
3106    } else {
3107        size(image_size.width, image_size.height)
3108    }
3109}
3110
3111pub fn humanize_token_count(count: u64) -> String {
3112    match count {
3113        0..=999 => count.to_string(),
3114        1000..=9999 => {
3115            let thousands = count / 1000;
3116            let hundreds = (count % 1000 + 50) / 100;
3117            if hundreds == 0 {
3118                format!("{}k", thousands)
3119            } else if hundreds == 10 {
3120                format!("{}k", thousands + 1)
3121            } else {
3122                format!("{}.{}k", thousands, hundreds)
3123            }
3124        }
3125        1_000_000..=9_999_999 => {
3126            let millions = count / 1_000_000;
3127            let hundred_thousands = (count % 1_000_000 + 50_000) / 100_000;
3128            if hundred_thousands == 0 {
3129                format!("{}M", millions)
3130            } else if hundred_thousands == 10 {
3131                format!("{}M", millions + 1)
3132            } else {
3133                format!("{}.{}M", millions, hundred_thousands)
3134            }
3135        }
3136        10_000_000.. => format!("{}M", (count + 500_000) / 1_000_000),
3137        _ => format!("{}k", (count + 500) / 1000),
3138    }
3139}
3140
3141pub fn make_lsp_adapter_delegate(
3142    project: &Entity<Project>,
3143    cx: &mut App,
3144) -> Result<Option<Arc<dyn LspAdapterDelegate>>> {
3145    project.update(cx, |project, cx| {
3146        // TODO: Find the right worktree.
3147        let Some(worktree) = project.worktrees(cx).next() else {
3148            return Ok(None::<Arc<dyn LspAdapterDelegate>>);
3149        };
3150        let http_client = project.client().http_client();
3151        project.lsp_store().update(cx, |_, cx| {
3152            Ok(Some(LocalLspAdapterDelegate::new(
3153                project.languages().clone(),
3154                project.environment(),
3155                cx.weak_entity(),
3156                &worktree,
3157                http_client,
3158                project.fs().clone(),
3159                cx,
3160            ) as Arc<dyn LspAdapterDelegate>))
3161        })
3162    })
3163}
3164
3165#[cfg(test)]
3166mod tests {
3167    use super::*;
3168    use editor::{MultiBufferOffset, SelectionEffects};
3169    use fs::FakeFs;
3170    use gpui::{App, TestAppContext, VisualTestContext};
3171    use indoc::indoc;
3172    use language::{Buffer, LanguageRegistry};
3173    use pretty_assertions::assert_eq;
3174    use prompt_store::PromptBuilder;
3175    use text::OffsetRangeExt;
3176    use unindent::Unindent;
3177    use util::path;
3178    use workspace::MultiWorkspace;
3179
3180    #[gpui::test]
3181    async fn test_copy_paste_whole_message(cx: &mut TestAppContext) {
3182        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(vec![
3183            (Role::User, "What is the Zed editor?"),
3184            (
3185                Role::Assistant,
3186                "Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.",
3187            ),
3188            (Role::User, ""),
3189        ],cx).await;
3190
3191        // Select & Copy whole user message
3192        assert_copy_paste_text_thread_editor(
3193            &text_thread_editor,
3194            message_range(&context, 0, &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            "},
3200            &mut cx,
3201        );
3202
3203        // Select & Copy whole assistant message
3204        assert_copy_paste_text_thread_editor(
3205            &text_thread_editor,
3206            message_range(&context, 1, &mut cx),
3207            indoc! {"
3208                What is the Zed editor?
3209                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3210                What is the Zed editor?
3211                Zed is a modern, high-performance code editor designed from the ground up for speed and collaboration.
3212            "},
3213            &mut cx,
3214        );
3215    }
3216
3217    #[gpui::test]
3218    async fn test_copy_paste_no_selection(cx: &mut TestAppContext) {
3219        let (context, text_thread_editor, mut cx) = setup_text_thread_editor_text(
3220            vec![
3221                (Role::User, "user1"),
3222                (Role::Assistant, "assistant1"),
3223                (Role::Assistant, "assistant2"),
3224                (Role::User, ""),
3225            ],
3226            cx,
3227        )
3228        .await;
3229
3230        // Copy and paste first assistant message
3231        let message_2_range = message_range(&context, 1, &mut cx);
3232        assert_copy_paste_text_thread_editor(
3233            &text_thread_editor,
3234            message_2_range.start..message_2_range.start,
3235            indoc! {"
3236                user1
3237                assistant1
3238                assistant2
3239                assistant1
3240            "},
3241            &mut cx,
3242        );
3243
3244        // Copy and cut second assistant message
3245        let message_3_range = message_range(&context, 2, &mut cx);
3246        assert_copy_paste_text_thread_editor(
3247            &text_thread_editor,
3248            message_3_range.start..message_3_range.start,
3249            indoc! {"
3250                user1
3251                assistant1
3252                assistant2
3253                assistant1
3254                assistant2
3255            "},
3256            &mut cx,
3257        );
3258    }
3259
3260    #[gpui::test]
3261    fn test_find_code_blocks(cx: &mut App) {
3262        let markdown = languages::language("markdown", tree_sitter_md::LANGUAGE.into());
3263
3264        let buffer = cx.new(|cx| {
3265            let text = r#"
3266                line 0
3267                line 1
3268                ```rust
3269                fn main() {}
3270                ```
3271                line 5
3272                line 6
3273                line 7
3274                ```go
3275                func main() {}
3276                ```
3277                line 11
3278                ```
3279                this is plain text code block
3280                ```
3281
3282                ```go
3283                func another() {}
3284                ```
3285                line 19
3286            "#
3287            .unindent();
3288            let mut buffer = Buffer::local(text, cx);
3289            buffer.set_language(Some(markdown.clone()), cx);
3290            buffer
3291        });
3292        let snapshot = buffer.read(cx).snapshot();
3293
3294        let code_blocks = vec![
3295            Point::new(3, 0)..Point::new(4, 0),
3296            Point::new(9, 0)..Point::new(10, 0),
3297            Point::new(13, 0)..Point::new(14, 0),
3298            Point::new(17, 0)..Point::new(18, 0),
3299        ]
3300        .into_iter()
3301        .map(|range| snapshot.point_to_offset(range.start)..snapshot.point_to_offset(range.end))
3302        .collect::<Vec<_>>();
3303
3304        let expected_results = vec![
3305            (0, None),
3306            (1, None),
3307            (2, Some(code_blocks[0].clone())),
3308            (3, Some(code_blocks[0].clone())),
3309            (4, Some(code_blocks[0].clone())),
3310            (5, None),
3311            (6, None),
3312            (7, None),
3313            (8, Some(code_blocks[1].clone())),
3314            (9, Some(code_blocks[1].clone())),
3315            (10, Some(code_blocks[1].clone())),
3316            (11, None),
3317            (12, Some(code_blocks[2].clone())),
3318            (13, Some(code_blocks[2].clone())),
3319            (14, Some(code_blocks[2].clone())),
3320            (15, None),
3321            (16, Some(code_blocks[3].clone())),
3322            (17, Some(code_blocks[3].clone())),
3323            (18, Some(code_blocks[3].clone())),
3324            (19, None),
3325        ];
3326
3327        for (row, expected) in expected_results {
3328            let offset = snapshot.point_to_offset(Point::new(row, 0));
3329            let range = find_surrounding_code_block(&snapshot, offset);
3330            assert_eq!(range, expected, "unexpected result on row {:?}", row);
3331        }
3332    }
3333
3334    async fn setup_text_thread_editor_text(
3335        messages: Vec<(Role, &str)>,
3336        cx: &mut TestAppContext,
3337    ) -> (
3338        Entity<TextThread>,
3339        Entity<TextThreadEditor>,
3340        VisualTestContext,
3341    ) {
3342        cx.update(init_test);
3343
3344        let fs = FakeFs::new(cx.executor());
3345        let text_thread = create_text_thread_with_messages(messages, cx);
3346
3347        let project = Project::test(fs.clone(), [path!("/test").as_ref()], cx).await;
3348        let window_handle =
3349            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3350        let workspace = window_handle
3351            .read_with(cx, |mw, _| mw.workspace().clone())
3352            .unwrap();
3353        let mut cx = VisualTestContext::from_window(window_handle.into(), cx);
3354
3355        let weak_workspace = workspace.downgrade();
3356        let text_thread_editor = workspace.update_in(&mut cx, |_, window, cx| {
3357            cx.new(|cx| {
3358                TextThreadEditor::for_text_thread(
3359                    text_thread.clone(),
3360                    fs,
3361                    weak_workspace,
3362                    project,
3363                    None,
3364                    window,
3365                    cx,
3366                )
3367            })
3368        });
3369
3370        (text_thread, text_thread_editor, cx)
3371    }
3372
3373    fn message_range(
3374        text_thread: &Entity<TextThread>,
3375        message_ix: usize,
3376        cx: &mut TestAppContext,
3377    ) -> Range<MultiBufferOffset> {
3378        let range = text_thread.update(cx, |text_thread, cx| {
3379            text_thread
3380                .messages(cx)
3381                .nth(message_ix)
3382                .unwrap()
3383                .anchor_range
3384                .to_offset(&text_thread.buffer().read(cx).snapshot())
3385        });
3386        MultiBufferOffset(range.start)..MultiBufferOffset(range.end)
3387    }
3388
3389    fn assert_copy_paste_text_thread_editor<T: editor::ToOffset>(
3390        text_thread_editor: &Entity<TextThreadEditor>,
3391        range: Range<T>,
3392        expected_text: &str,
3393        cx: &mut VisualTestContext,
3394    ) {
3395        text_thread_editor.update_in(cx, |text_thread_editor, window, cx| {
3396            text_thread_editor.editor.update(cx, |editor, cx| {
3397                editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
3398                    s.select_ranges([range])
3399                });
3400            });
3401
3402            text_thread_editor.copy(&Default::default(), window, cx);
3403
3404            text_thread_editor.editor.update(cx, |editor, cx| {
3405                editor.move_to_end(&Default::default(), window, cx);
3406            });
3407
3408            text_thread_editor.paste(&Default::default(), window, cx);
3409
3410            text_thread_editor.editor.update(cx, |editor, cx| {
3411                assert_eq!(editor.text(cx), expected_text);
3412            });
3413        });
3414    }
3415
3416    fn create_text_thread_with_messages(
3417        mut messages: Vec<(Role, &str)>,
3418        cx: &mut TestAppContext,
3419    ) -> Entity<TextThread> {
3420        let registry = Arc::new(LanguageRegistry::test(cx.executor()));
3421        let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
3422        cx.new(|cx| {
3423            let mut text_thread = TextThread::local(
3424                registry,
3425                prompt_builder.clone(),
3426                Arc::new(SlashCommandWorkingSet::default()),
3427                cx,
3428            );
3429            let mut message_1 = text_thread.messages(cx).next().unwrap();
3430            let (role, text) = messages.remove(0);
3431
3432            loop {
3433                if role == message_1.role {
3434                    text_thread.buffer().update(cx, |buffer, cx| {
3435                        buffer.edit([(message_1.offset_range, text)], None, cx);
3436                    });
3437                    break;
3438                }
3439                let mut ids = HashSet::default();
3440                ids.insert(message_1.id);
3441                text_thread.cycle_message_roles(ids, cx);
3442                message_1 = text_thread.messages(cx).next().unwrap();
3443            }
3444
3445            let mut last_message_id = message_1.id;
3446            for (role, text) in messages {
3447                text_thread.insert_message_after(last_message_id, role, MessageStatus::Done, cx);
3448                let message = text_thread.messages(cx).last().unwrap();
3449                last_message_id = message.id;
3450                text_thread.buffer().update(cx, |buffer, cx| {
3451                    buffer.edit([(message.offset_range, text)], None, cx);
3452                })
3453            }
3454
3455            text_thread
3456        })
3457    }
3458
3459    fn init_test(cx: &mut App) {
3460        let settings_store = SettingsStore::test(cx);
3461        prompt_store::init(cx);
3462        editor::init(cx);
3463        LanguageModelRegistry::test(cx);
3464        cx.set_global(settings_store);
3465
3466        theme::init(theme::LoadThemes::JustBase, cx);
3467    }
3468
3469    #[gpui::test]
3470    async fn test_quote_terminal_text(cx: &mut TestAppContext) {
3471        let (_context, text_thread_editor, mut cx) =
3472            setup_text_thread_editor_text(vec![(Role::User, "")], cx).await;
3473
3474        let terminal_output = "$ ls -la\ntotal 0\ndrwxr-xr-x  2 user user  40 Jan  1 00:00 .";
3475
3476        text_thread_editor.update_in(&mut cx, |text_thread_editor, window, cx| {
3477            text_thread_editor.quote_terminal_text(terminal_output.to_string(), window, cx);
3478
3479            text_thread_editor.editor.update(cx, |editor, cx| {
3480                let text = editor.text(cx);
3481                // The text should contain the terminal output wrapped in a code block
3482                assert!(
3483                    text.contains(&format!("```console\n{}\n```", terminal_output)),
3484                    "Terminal text should be wrapped in code block. Got: {}",
3485                    text
3486                );
3487            });
3488        });
3489    }
3490}