message_editor.rs

   1use crate::{
   2    acp::completion_provider::{ContextPickerCompletionProvider, SlashCommandCompletion},
   3    context_picker::{ContextPickerAction, fetch_context_picker::fetch_url_content},
   4};
   5use acp_thread::{MentionUri, selection_name};
   6use agent_client_protocol as acp;
   7use agent_servers::{AgentServer, AgentServerDelegate};
   8use agent2::HistoryStore;
   9use anyhow::{Result, anyhow};
  10use assistant_slash_commands::codeblock_fence_for_path;
  11use assistant_tool::outline;
  12use collections::{HashMap, HashSet};
  13use editor::{
  14    Addon, Anchor, AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement,
  15    EditorEvent, EditorMode, EditorSnapshot, EditorStyle, ExcerptId, FoldPlaceholder, InlayId,
  16    MultiBuffer, ToOffset,
  17    actions::Paste,
  18    display_map::{Crease, CreaseId, FoldId, Inlay},
  19};
  20use futures::{
  21    FutureExt as _,
  22    future::{Shared, join_all},
  23};
  24use gpui::{
  25    Animation, AnimationExt as _, AppContext, ClipboardEntry, Context, Entity, EntityId,
  26    EventEmitter, FocusHandle, Focusable, Image, ImageFormat, Img, KeyContext, SharedString,
  27    Subscription, Task, TextStyle, WeakEntity, pulsating_between,
  28};
  29use language::{Buffer, Language, language_settings::InlayHintKind};
  30use language_model::LanguageModelImage;
  31use postage::stream::Stream as _;
  32use project::{
  33    CompletionIntent, InlayHint, InlayHintLabel, Project, ProjectItem, ProjectPath, Worktree,
  34};
  35use prompt_store::{PromptId, PromptStore};
  36use rope::Point;
  37use settings::Settings;
  38use std::{
  39    cell::RefCell,
  40    ffi::OsStr,
  41    fmt::Write,
  42    ops::{Range, RangeInclusive},
  43    path::{Path, PathBuf},
  44    rc::Rc,
  45    sync::Arc,
  46    time::Duration,
  47};
  48use text::OffsetRangeExt;
  49use theme::ThemeSettings;
  50use ui::{ButtonLike, TintColor, Toggleable, prelude::*};
  51use util::{ResultExt, debug_panic, rel_path::RelPath};
  52use workspace::{Workspace, notifications::NotifyResultExt as _};
  53use zed_actions::agent::Chat;
  54
  55pub struct MessageEditor {
  56    mention_set: MentionSet,
  57    editor: Entity<Editor>,
  58    project: Entity<Project>,
  59    workspace: WeakEntity<Workspace>,
  60    history_store: Entity<HistoryStore>,
  61    prompt_store: Option<Entity<PromptStore>>,
  62    prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
  63    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
  64    agent_name: SharedString,
  65    _subscriptions: Vec<Subscription>,
  66    _parse_slash_command_task: Task<()>,
  67}
  68
  69#[derive(Clone, Copy, Debug)]
  70pub enum MessageEditorEvent {
  71    Send,
  72    Cancel,
  73    Focus,
  74    LostFocus,
  75}
  76
  77impl EventEmitter<MessageEditorEvent> for MessageEditor {}
  78
  79const COMMAND_HINT_INLAY_ID: u32 = 0;
  80
  81impl MessageEditor {
  82    pub fn new(
  83        workspace: WeakEntity<Workspace>,
  84        project: Entity<Project>,
  85        history_store: Entity<HistoryStore>,
  86        prompt_store: Option<Entity<PromptStore>>,
  87        prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
  88        available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
  89        agent_name: SharedString,
  90        placeholder: &str,
  91        mode: EditorMode,
  92        window: &mut Window,
  93        cx: &mut Context<Self>,
  94    ) -> Self {
  95        let language = Language::new(
  96            language::LanguageConfig {
  97                completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
  98                ..Default::default()
  99            },
 100            None,
 101        );
 102        let completion_provider = Rc::new(ContextPickerCompletionProvider::new(
 103            cx.weak_entity(),
 104            workspace.clone(),
 105            history_store.clone(),
 106            prompt_store.clone(),
 107            prompt_capabilities.clone(),
 108            available_commands.clone(),
 109        ));
 110        let mention_set = MentionSet::default();
 111        let editor = cx.new(|cx| {
 112            let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
 113            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
 114
 115            let mut editor = Editor::new(mode, buffer, None, window, cx);
 116            editor.set_placeholder_text(placeholder, window, cx);
 117            editor.set_show_indent_guides(false, cx);
 118            editor.set_soft_wrap();
 119            editor.set_use_modal_editing(true);
 120            editor.set_completion_provider(Some(completion_provider.clone()));
 121            editor.set_context_menu_options(ContextMenuOptions {
 122                min_entries_visible: 12,
 123                max_entries_visible: 12,
 124                placement: Some(ContextMenuPlacement::Above),
 125            });
 126            editor.register_addon(MessageEditorAddon::new());
 127            editor
 128        });
 129
 130        cx.on_focus_in(&editor.focus_handle(cx), window, |_, _, cx| {
 131            cx.emit(MessageEditorEvent::Focus)
 132        })
 133        .detach();
 134        cx.on_focus_out(&editor.focus_handle(cx), window, |_, _, _, cx| {
 135            cx.emit(MessageEditorEvent::LostFocus)
 136        })
 137        .detach();
 138
 139        let mut has_hint = false;
 140        let mut subscriptions = Vec::new();
 141
 142        subscriptions.push(cx.subscribe_in(&editor, window, {
 143            move |this, editor, event, window, cx| {
 144                if let EditorEvent::Edited { .. } = event {
 145                    let snapshot = editor.update(cx, |editor, cx| {
 146                        let new_hints = this
 147                            .command_hint(editor.buffer(), cx)
 148                            .into_iter()
 149                            .collect::<Vec<_>>();
 150                        let has_new_hint = !new_hints.is_empty();
 151                        editor.splice_inlays(
 152                            if has_hint {
 153                                &[InlayId::Hint(COMMAND_HINT_INLAY_ID)]
 154                            } else {
 155                                &[]
 156                            },
 157                            new_hints,
 158                            cx,
 159                        );
 160                        has_hint = has_new_hint;
 161
 162                        editor.snapshot(window, cx)
 163                    });
 164                    this.mention_set.remove_invalid(snapshot);
 165
 166                    cx.notify();
 167                }
 168            }
 169        }));
 170
 171        Self {
 172            editor,
 173            project,
 174            mention_set,
 175            workspace,
 176            history_store,
 177            prompt_store,
 178            prompt_capabilities,
 179            available_commands,
 180            agent_name,
 181            _subscriptions: subscriptions,
 182            _parse_slash_command_task: Task::ready(()),
 183        }
 184    }
 185
 186    fn command_hint(&self, buffer: &Entity<MultiBuffer>, cx: &App) -> Option<Inlay> {
 187        let available_commands = self.available_commands.borrow();
 188        if available_commands.is_empty() {
 189            return None;
 190        }
 191
 192        let snapshot = buffer.read(cx).snapshot(cx);
 193        let parsed_command = SlashCommandCompletion::try_parse(&snapshot.text(), 0)?;
 194        if parsed_command.argument.is_some() {
 195            return None;
 196        }
 197
 198        let command_name = parsed_command.command?;
 199        let available_command = available_commands
 200            .iter()
 201            .find(|command| command.name == command_name)?;
 202
 203        let acp::AvailableCommandInput::Unstructured { mut hint } =
 204            available_command.input.clone()?;
 205
 206        let mut hint_pos = parsed_command.source_range.end + 1;
 207        if hint_pos > snapshot.len() {
 208            hint_pos = snapshot.len();
 209            hint.insert(0, ' ');
 210        }
 211
 212        let hint_pos = snapshot.anchor_after(hint_pos);
 213
 214        Some(Inlay::hint(
 215            COMMAND_HINT_INLAY_ID,
 216            hint_pos,
 217            &InlayHint {
 218                position: hint_pos.text_anchor,
 219                label: InlayHintLabel::String(hint),
 220                kind: Some(InlayHintKind::Parameter),
 221                padding_left: false,
 222                padding_right: false,
 223                tooltip: None,
 224                resolve_state: project::ResolveState::Resolved,
 225            },
 226        ))
 227    }
 228
 229    pub fn insert_thread_summary(
 230        &mut self,
 231        thread: agent2::DbThreadMetadata,
 232        window: &mut Window,
 233        cx: &mut Context<Self>,
 234    ) {
 235        let start = self.editor.update(cx, |editor, cx| {
 236            editor.set_text(format!("{}\n", thread.title), window, cx);
 237            editor
 238                .buffer()
 239                .read(cx)
 240                .snapshot(cx)
 241                .anchor_before(Point::zero())
 242                .text_anchor
 243        });
 244
 245        self.confirm_mention_completion(
 246            thread.title.clone(),
 247            start,
 248            thread.title.len(),
 249            MentionUri::Thread {
 250                id: thread.id.clone(),
 251                name: thread.title.to_string(),
 252            },
 253            window,
 254            cx,
 255        )
 256        .detach();
 257    }
 258
 259    #[cfg(test)]
 260    pub(crate) fn editor(&self) -> &Entity<Editor> {
 261        &self.editor
 262    }
 263
 264    #[cfg(test)]
 265    pub(crate) fn mention_set(&mut self) -> &mut MentionSet {
 266        &mut self.mention_set
 267    }
 268
 269    pub fn is_empty(&self, cx: &App) -> bool {
 270        self.editor.read(cx).is_empty(cx)
 271    }
 272
 273    pub fn mentions(&self) -> HashSet<MentionUri> {
 274        self.mention_set
 275            .mentions
 276            .values()
 277            .map(|(uri, _)| uri.clone())
 278            .collect()
 279    }
 280
 281    pub fn confirm_mention_completion(
 282        &mut self,
 283        crease_text: SharedString,
 284        start: text::Anchor,
 285        content_len: usize,
 286        mention_uri: MentionUri,
 287        window: &mut Window,
 288        cx: &mut Context<Self>,
 289    ) -> Task<()> {
 290        let snapshot = self
 291            .editor
 292            .update(cx, |editor, cx| editor.snapshot(window, cx));
 293        let Some((excerpt_id, _, _)) = snapshot.buffer_snapshot().as_singleton() else {
 294            return Task::ready(());
 295        };
 296        let Some(start_anchor) = snapshot
 297            .buffer_snapshot()
 298            .anchor_in_excerpt(*excerpt_id, start)
 299        else {
 300            return Task::ready(());
 301        };
 302        let end_anchor = snapshot
 303            .buffer_snapshot()
 304            .anchor_before(start_anchor.to_offset(&snapshot.buffer_snapshot()) + content_len + 1);
 305
 306        let crease = if let MentionUri::File { abs_path } = &mention_uri
 307            && let Some(extension) = abs_path.extension()
 308            && let Some(extension) = extension.to_str()
 309            && Img::extensions().contains(&extension)
 310            && !extension.contains("svg")
 311        {
 312            let Some(project_path) = self
 313                .project
 314                .read(cx)
 315                .project_path_for_absolute_path(&abs_path, cx)
 316            else {
 317                log::error!("project path not found");
 318                return Task::ready(());
 319            };
 320            let image = self
 321                .project
 322                .update(cx, |project, cx| project.open_image(project_path, cx));
 323            let image = cx
 324                .spawn(async move |_, cx| {
 325                    let image = image.await.map_err(|e| e.to_string())?;
 326                    let image = image
 327                        .update(cx, |image, _| image.image.clone())
 328                        .map_err(|e| e.to_string())?;
 329                    Ok(image)
 330                })
 331                .shared();
 332            insert_crease_for_mention(
 333                *excerpt_id,
 334                start,
 335                content_len,
 336                mention_uri.name().into(),
 337                IconName::Image.path().into(),
 338                Some(image),
 339                self.editor.clone(),
 340                window,
 341                cx,
 342            )
 343        } else {
 344            insert_crease_for_mention(
 345                *excerpt_id,
 346                start,
 347                content_len,
 348                crease_text,
 349                mention_uri.icon_path(cx),
 350                None,
 351                self.editor.clone(),
 352                window,
 353                cx,
 354            )
 355        };
 356        let Some((crease_id, tx)) = crease else {
 357            return Task::ready(());
 358        };
 359
 360        let task = match mention_uri.clone() {
 361            MentionUri::Fetch { url } => self.confirm_mention_for_fetch(url, cx),
 362            MentionUri::Directory { .. } => Task::ready(Ok(Mention::UriOnly)),
 363            MentionUri::Thread { id, .. } => self.confirm_mention_for_thread(id, cx),
 364            MentionUri::TextThread { path, .. } => self.confirm_mention_for_text_thread(path, cx),
 365            MentionUri::File { abs_path } => self.confirm_mention_for_file(abs_path, cx),
 366            MentionUri::Symbol {
 367                abs_path,
 368                line_range,
 369                ..
 370            } => self.confirm_mention_for_symbol(abs_path, line_range, cx),
 371            MentionUri::Rule { id, .. } => self.confirm_mention_for_rule(id, cx),
 372            MentionUri::PastedImage => {
 373                debug_panic!("pasted image URI should not be included in completions");
 374                Task::ready(Err(anyhow!(
 375                    "pasted imaged URI should not be included in completions"
 376                )))
 377            }
 378            MentionUri::Selection { .. } => {
 379                // Handled elsewhere
 380                debug_panic!("unexpected selection URI");
 381                Task::ready(Err(anyhow!("unexpected selection URI")))
 382            }
 383        };
 384        let task = cx
 385            .spawn(async move |_, _| task.await.map_err(|e| e.to_string()))
 386            .shared();
 387        self.mention_set
 388            .mentions
 389            .insert(crease_id, (mention_uri, task.clone()));
 390
 391        // Notify the user if we failed to load the mentioned context
 392        cx.spawn_in(window, async move |this, cx| {
 393            let result = task.await.notify_async_err(cx);
 394            drop(tx);
 395            if result.is_none() {
 396                this.update(cx, |this, cx| {
 397                    this.editor.update(cx, |editor, cx| {
 398                        // Remove mention
 399                        editor.edit([(start_anchor..end_anchor, "")], cx);
 400                    });
 401                    this.mention_set.mentions.remove(&crease_id);
 402                })
 403                .ok();
 404            }
 405        })
 406    }
 407
 408    fn confirm_mention_for_file(
 409        &mut self,
 410        abs_path: PathBuf,
 411        cx: &mut Context<Self>,
 412    ) -> Task<Result<Mention>> {
 413        let Some(project_path) = self
 414            .project
 415            .read(cx)
 416            .project_path_for_absolute_path(&abs_path, cx)
 417        else {
 418            return Task::ready(Err(anyhow!("project path not found")));
 419        };
 420        let extension = abs_path
 421            .extension()
 422            .and_then(OsStr::to_str)
 423            .unwrap_or_default();
 424
 425        if Img::extensions().contains(&extension) && !extension.contains("svg") {
 426            if !self.prompt_capabilities.borrow().image {
 427                return Task::ready(Err(anyhow!("This model does not support images yet")));
 428            }
 429            let task = self
 430                .project
 431                .update(cx, |project, cx| project.open_image(project_path, cx));
 432            return cx.spawn(async move |_, cx| {
 433                let image = task.await?;
 434                let image = image.update(cx, |image, _| image.image.clone())?;
 435                let format = image.format;
 436                let image = cx
 437                    .update(|cx| LanguageModelImage::from_image(image, cx))?
 438                    .await;
 439                if let Some(image) = image {
 440                    Ok(Mention::Image(MentionImage {
 441                        data: image.source,
 442                        format,
 443                    }))
 444                } else {
 445                    Err(anyhow!("Failed to convert image"))
 446                }
 447            });
 448        }
 449
 450        let buffer = self
 451            .project
 452            .update(cx, |project, cx| project.open_buffer(project_path, cx));
 453        cx.spawn(async move |_, cx| {
 454            let buffer = buffer.await?;
 455            let buffer_content = outline::get_buffer_content_or_outline(
 456                buffer.clone(),
 457                Some(&abs_path.to_string_lossy()),
 458                &cx,
 459            )
 460            .await?;
 461
 462            Ok(Mention::Text {
 463                content: buffer_content.text,
 464                tracked_buffers: vec![buffer],
 465            })
 466        })
 467    }
 468
 469    fn confirm_mention_for_fetch(
 470        &mut self,
 471        url: url::Url,
 472        cx: &mut Context<Self>,
 473    ) -> Task<Result<Mention>> {
 474        let http_client = match self
 475            .workspace
 476            .update(cx, |workspace, _| workspace.client().http_client())
 477        {
 478            Ok(http_client) => http_client,
 479            Err(e) => return Task::ready(Err(e)),
 480        };
 481        cx.background_executor().spawn(async move {
 482            let content = fetch_url_content(http_client, url.to_string()).await?;
 483            Ok(Mention::Text {
 484                content,
 485                tracked_buffers: Vec::new(),
 486            })
 487        })
 488    }
 489
 490    fn confirm_mention_for_symbol(
 491        &mut self,
 492        abs_path: PathBuf,
 493        line_range: RangeInclusive<u32>,
 494        cx: &mut Context<Self>,
 495    ) -> Task<Result<Mention>> {
 496        let Some(project_path) = self
 497            .project
 498            .read(cx)
 499            .project_path_for_absolute_path(&abs_path, cx)
 500        else {
 501            return Task::ready(Err(anyhow!("project path not found")));
 502        };
 503        let buffer = self
 504            .project
 505            .update(cx, |project, cx| project.open_buffer(project_path, cx));
 506        cx.spawn(async move |_, cx| {
 507            let buffer = buffer.await?;
 508            let mention = buffer.update(cx, |buffer, cx| {
 509                let start = Point::new(*line_range.start(), 0).min(buffer.max_point());
 510                let end = Point::new(*line_range.end() + 1, 0).min(buffer.max_point());
 511                let content = buffer.text_for_range(start..end).collect();
 512                Mention::Text {
 513                    content,
 514                    tracked_buffers: vec![cx.entity()],
 515                }
 516            })?;
 517            anyhow::Ok(mention)
 518        })
 519    }
 520
 521    fn confirm_mention_for_rule(
 522        &mut self,
 523        id: PromptId,
 524        cx: &mut Context<Self>,
 525    ) -> Task<Result<Mention>> {
 526        let Some(prompt_store) = self.prompt_store.clone() else {
 527            return Task::ready(Err(anyhow!("missing prompt store")));
 528        };
 529        let prompt = prompt_store.read(cx).load(id, cx);
 530        cx.spawn(async move |_, _| {
 531            let prompt = prompt.await?;
 532            Ok(Mention::Text {
 533                content: prompt,
 534                tracked_buffers: Vec::new(),
 535            })
 536        })
 537    }
 538
 539    pub fn confirm_mention_for_selection(
 540        &mut self,
 541        source_range: Range<text::Anchor>,
 542        selections: Vec<(Entity<Buffer>, Range<text::Anchor>, Range<usize>)>,
 543        window: &mut Window,
 544        cx: &mut Context<Self>,
 545    ) {
 546        let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
 547        let Some((&excerpt_id, _, _)) = snapshot.as_singleton() else {
 548            return;
 549        };
 550        let Some(start) = snapshot.anchor_in_excerpt(excerpt_id, source_range.start) else {
 551            return;
 552        };
 553
 554        let offset = start.to_offset(&snapshot);
 555
 556        for (buffer, selection_range, range_to_fold) in selections {
 557            let range = snapshot.anchor_after(offset + range_to_fold.start)
 558                ..snapshot.anchor_after(offset + range_to_fold.end);
 559
 560            let abs_path = buffer
 561                .read(cx)
 562                .project_path(cx)
 563                .and_then(|project_path| self.project.read(cx).absolute_path(&project_path, cx));
 564            let snapshot = buffer.read(cx).snapshot();
 565
 566            let text = snapshot
 567                .text_for_range(selection_range.clone())
 568                .collect::<String>();
 569            let point_range = selection_range.to_point(&snapshot);
 570            let line_range = point_range.start.row..=point_range.end.row;
 571
 572            let uri = MentionUri::Selection {
 573                abs_path: abs_path.clone(),
 574                line_range: line_range.clone(),
 575            };
 576            let crease = crate::context_picker::crease_for_mention(
 577                selection_name(abs_path.as_deref(), &line_range).into(),
 578                uri.icon_path(cx),
 579                range,
 580                self.editor.downgrade(),
 581            );
 582
 583            let crease_id = self.editor.update(cx, |editor, cx| {
 584                let crease_ids = editor.insert_creases(vec![crease.clone()], cx);
 585                editor.fold_creases(vec![crease], true, window, cx);
 586                crease_ids.first().copied().unwrap()
 587            });
 588
 589            self.mention_set.mentions.insert(
 590                crease_id,
 591                (
 592                    uri,
 593                    Task::ready(Ok(Mention::Text {
 594                        content: text,
 595                        tracked_buffers: vec![buffer],
 596                    }))
 597                    .shared(),
 598                ),
 599            );
 600        }
 601    }
 602
 603    fn confirm_mention_for_thread(
 604        &mut self,
 605        id: acp::SessionId,
 606        cx: &mut Context<Self>,
 607    ) -> Task<Result<Mention>> {
 608        let server = Rc::new(agent2::NativeAgentServer::new(
 609            self.project.read(cx).fs().clone(),
 610            self.history_store.clone(),
 611        ));
 612        let delegate = AgentServerDelegate::new(
 613            self.project.read(cx).agent_server_store().clone(),
 614            self.project.clone(),
 615            None,
 616            None,
 617        );
 618        let connection = server.connect(None, delegate, cx);
 619        cx.spawn(async move |_, cx| {
 620            let (agent, _) = connection.await?;
 621            let agent = agent.downcast::<agent2::NativeAgentConnection>().unwrap();
 622            let summary = agent
 623                .0
 624                .update(cx, |agent, cx| agent.thread_summary(id, cx))?
 625                .await?;
 626            anyhow::Ok(Mention::Text {
 627                content: summary.to_string(),
 628                tracked_buffers: Vec::new(),
 629            })
 630        })
 631    }
 632
 633    fn confirm_mention_for_text_thread(
 634        &mut self,
 635        path: PathBuf,
 636        cx: &mut Context<Self>,
 637    ) -> Task<Result<Mention>> {
 638        let context = self.history_store.update(cx, |text_thread_store, cx| {
 639            text_thread_store.load_text_thread(path.as_path().into(), cx)
 640        });
 641        cx.spawn(async move |_, cx| {
 642            let context = context.await?;
 643            let xml = context.update(cx, |context, cx| context.to_xml(cx))?;
 644            Ok(Mention::Text {
 645                content: xml,
 646                tracked_buffers: Vec::new(),
 647            })
 648        })
 649    }
 650
 651    fn validate_slash_commands(
 652        text: &str,
 653        available_commands: &[acp::AvailableCommand],
 654        agent_name: &str,
 655    ) -> Result<()> {
 656        if let Some(parsed_command) = SlashCommandCompletion::try_parse(text, 0) {
 657            if let Some(command_name) = parsed_command.command {
 658                // Check if this command is in the list of available commands from the server
 659                let is_supported = available_commands
 660                    .iter()
 661                    .any(|cmd| cmd.name == command_name);
 662
 663                if !is_supported {
 664                    return Err(anyhow!(
 665                        "The /{} command is not supported by {}.\n\nAvailable commands: {}",
 666                        command_name,
 667                        agent_name,
 668                        if available_commands.is_empty() {
 669                            "none".to_string()
 670                        } else {
 671                            available_commands
 672                                .iter()
 673                                .map(|cmd| format!("/{}", cmd.name))
 674                                .collect::<Vec<_>>()
 675                                .join(", ")
 676                        }
 677                    ));
 678                }
 679            }
 680        }
 681        Ok(())
 682    }
 683
 684    pub fn contents(
 685        &self,
 686        full_mention_content: bool,
 687        cx: &mut Context<Self>,
 688    ) -> Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>> {
 689        // Check for unsupported slash commands before spawning async task
 690        let text = self.editor.read(cx).text(cx);
 691        let available_commands = self.available_commands.borrow().clone();
 692        if let Err(err) =
 693            Self::validate_slash_commands(&text, &available_commands, &self.agent_name)
 694        {
 695            return Task::ready(Err(err));
 696        }
 697
 698        let contents = self.mention_set.contents(
 699            &self.prompt_capabilities.borrow(),
 700            full_mention_content,
 701            self.project.clone(),
 702            cx,
 703        );
 704        let editor = self.editor.clone();
 705
 706        cx.spawn(async move |_, cx| {
 707            let contents = contents.await?;
 708            let mut all_tracked_buffers = Vec::new();
 709
 710            let result = editor.update(cx, |editor, cx| {
 711                let mut ix = 0;
 712                let mut chunks: Vec<acp::ContentBlock> = Vec::new();
 713                let text = editor.text(cx);
 714                editor.display_map.update(cx, |map, cx| {
 715                    let snapshot = map.snapshot(cx);
 716                    for (crease_id, crease) in snapshot.crease_snapshot.creases() {
 717                        let Some((uri, mention)) = contents.get(&crease_id) else {
 718                            continue;
 719                        };
 720
 721                        let crease_range = crease.range().to_offset(&snapshot.buffer_snapshot());
 722                        if crease_range.start > ix {
 723                            //todo(): Custom slash command ContentBlock?
 724                            // let chunk = if prevent_slash_commands
 725                            //     && ix == 0
 726                            //     && parse_slash_command(&text[ix..]).is_some()
 727                            // {
 728                            //     format!(" {}", &text[ix..crease_range.start]).into()
 729                            // } else {
 730                            //     text[ix..crease_range.start].into()
 731                            // };
 732                            let chunk = text[ix..crease_range.start].into();
 733                            chunks.push(chunk);
 734                        }
 735                        let chunk = match mention {
 736                            Mention::Text {
 737                                content,
 738                                tracked_buffers,
 739                            } => {
 740                                all_tracked_buffers.extend(tracked_buffers.iter().cloned());
 741                                acp::ContentBlock::Resource(acp::EmbeddedResource {
 742                                    annotations: None,
 743                                    resource: acp::EmbeddedResourceResource::TextResourceContents(
 744                                        acp::TextResourceContents {
 745                                            mime_type: None,
 746                                            text: content.clone(),
 747                                            uri: uri.to_uri().to_string(),
 748                                            meta: None,
 749                                        },
 750                                    ),
 751                                    meta: None,
 752                                })
 753                            }
 754                            Mention::Image(mention_image) => {
 755                                let uri = match uri {
 756                                    MentionUri::File { .. } => Some(uri.to_uri().to_string()),
 757                                    MentionUri::PastedImage => None,
 758                                    other => {
 759                                        debug_panic!(
 760                                            "unexpected mention uri for image: {:?}",
 761                                            other
 762                                        );
 763                                        None
 764                                    }
 765                                };
 766                                acp::ContentBlock::Image(acp::ImageContent {
 767                                    annotations: None,
 768                                    data: mention_image.data.to_string(),
 769                                    mime_type: mention_image.format.mime_type().into(),
 770                                    uri,
 771                                    meta: None,
 772                                })
 773                            }
 774                            Mention::UriOnly => {
 775                                acp::ContentBlock::ResourceLink(acp::ResourceLink {
 776                                    name: uri.name(),
 777                                    uri: uri.to_uri().to_string(),
 778                                    annotations: None,
 779                                    description: None,
 780                                    mime_type: None,
 781                                    size: None,
 782                                    title: None,
 783                                    meta: None,
 784                                })
 785                            }
 786                        };
 787                        chunks.push(chunk);
 788                        ix = crease_range.end;
 789                    }
 790
 791                    if ix < text.len() {
 792                        //todo(): Custom slash command ContentBlock?
 793                        // let last_chunk = if prevent_slash_commands
 794                        //     && ix == 0
 795                        //     && parse_slash_command(&text[ix..]).is_some()
 796                        // {
 797                        //     format!(" {}", text[ix..].trim_end())
 798                        // } else {
 799                        //     text[ix..].trim_end().to_owned()
 800                        // };
 801                        let last_chunk = text[ix..].trim_end().to_owned();
 802                        if !last_chunk.is_empty() {
 803                            chunks.push(last_chunk.into());
 804                        }
 805                    }
 806                });
 807                Ok((chunks, all_tracked_buffers))
 808            })?;
 809            result
 810        })
 811    }
 812
 813    pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 814        self.editor.update(cx, |editor, cx| {
 815            editor.clear(window, cx);
 816            editor.remove_creases(
 817                self.mention_set
 818                    .mentions
 819                    .drain()
 820                    .map(|(crease_id, _)| crease_id),
 821                cx,
 822            )
 823        });
 824    }
 825
 826    fn send(&mut self, _: &Chat, _: &mut Window, cx: &mut Context<Self>) {
 827        if self.is_empty(cx) {
 828            return;
 829        }
 830        cx.emit(MessageEditorEvent::Send)
 831    }
 832
 833    fn cancel(&mut self, _: &editor::actions::Cancel, _: &mut Window, cx: &mut Context<Self>) {
 834        cx.emit(MessageEditorEvent::Cancel)
 835    }
 836
 837    fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
 838        if !self.prompt_capabilities.borrow().image {
 839            return;
 840        }
 841
 842        let images = cx
 843            .read_from_clipboard()
 844            .map(|item| {
 845                item.into_entries()
 846                    .filter_map(|entry| {
 847                        if let ClipboardEntry::Image(image) = entry {
 848                            Some(image)
 849                        } else {
 850                            None
 851                        }
 852                    })
 853                    .collect::<Vec<_>>()
 854            })
 855            .unwrap_or_default();
 856
 857        if images.is_empty() {
 858            return;
 859        }
 860        cx.stop_propagation();
 861
 862        let replacement_text = MentionUri::PastedImage.as_link().to_string();
 863        for image in images {
 864            let (excerpt_id, text_anchor, multibuffer_anchor) =
 865                self.editor.update(cx, |message_editor, cx| {
 866                    let snapshot = message_editor.snapshot(window, cx);
 867                    let (excerpt_id, _, buffer_snapshot) =
 868                        snapshot.buffer_snapshot().as_singleton().unwrap();
 869
 870                    let text_anchor = buffer_snapshot.anchor_before(buffer_snapshot.len());
 871                    let multibuffer_anchor = snapshot
 872                        .buffer_snapshot()
 873                        .anchor_in_excerpt(*excerpt_id, text_anchor);
 874                    message_editor.edit(
 875                        [(
 876                            multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
 877                            format!("{replacement_text} "),
 878                        )],
 879                        cx,
 880                    );
 881                    (*excerpt_id, text_anchor, multibuffer_anchor)
 882                });
 883
 884            let content_len = replacement_text.len();
 885            let Some(start_anchor) = multibuffer_anchor else {
 886                continue;
 887            };
 888            let end_anchor = self.editor.update(cx, |editor, cx| {
 889                let snapshot = editor.buffer().read(cx).snapshot(cx);
 890                snapshot.anchor_before(start_anchor.to_offset(&snapshot) + content_len)
 891            });
 892            let image = Arc::new(image);
 893            let Some((crease_id, tx)) = insert_crease_for_mention(
 894                excerpt_id,
 895                text_anchor,
 896                content_len,
 897                MentionUri::PastedImage.name().into(),
 898                IconName::Image.path().into(),
 899                Some(Task::ready(Ok(image.clone())).shared()),
 900                self.editor.clone(),
 901                window,
 902                cx,
 903            ) else {
 904                continue;
 905            };
 906            let task = cx
 907                .spawn_in(window, {
 908                    async move |_, cx| {
 909                        let format = image.format;
 910                        let image = cx
 911                            .update(|_, cx| LanguageModelImage::from_image(image, cx))
 912                            .map_err(|e| e.to_string())?
 913                            .await;
 914                        drop(tx);
 915                        if let Some(image) = image {
 916                            Ok(Mention::Image(MentionImage {
 917                                data: image.source,
 918                                format,
 919                            }))
 920                        } else {
 921                            Err("Failed to convert image".into())
 922                        }
 923                    }
 924                })
 925                .shared();
 926
 927            self.mention_set
 928                .mentions
 929                .insert(crease_id, (MentionUri::PastedImage, task.clone()));
 930
 931            cx.spawn_in(window, async move |this, cx| {
 932                if task.await.notify_async_err(cx).is_none() {
 933                    this.update(cx, |this, cx| {
 934                        this.editor.update(cx, |editor, cx| {
 935                            editor.edit([(start_anchor..end_anchor, "")], cx);
 936                        });
 937                        this.mention_set.mentions.remove(&crease_id);
 938                    })
 939                    .ok();
 940                }
 941            })
 942            .detach();
 943        }
 944    }
 945
 946    pub fn insert_dragged_files(
 947        &mut self,
 948        paths: Vec<project::ProjectPath>,
 949        added_worktrees: Vec<Entity<Worktree>>,
 950        window: &mut Window,
 951        cx: &mut Context<Self>,
 952    ) {
 953        let path_style = self.project.read(cx).path_style(cx);
 954        let buffer = self.editor.read(cx).buffer().clone();
 955        let Some(buffer) = buffer.read(cx).as_singleton() else {
 956            return;
 957        };
 958        let mut tasks = Vec::new();
 959        for path in paths {
 960            let Some(entry) = self.project.read(cx).entry_for_path(&path, cx) else {
 961                continue;
 962            };
 963            let Some(worktree) = self.project.read(cx).worktree_for_id(path.worktree_id, cx) else {
 964                continue;
 965            };
 966            let abs_path = worktree.read(cx).absolutize(&path.path);
 967            let (file_name, _) =
 968                crate::context_picker::file_context_picker::extract_file_name_and_directory(
 969                    &path.path,
 970                    worktree.read(cx).root_name(),
 971                    path_style,
 972                );
 973
 974            let uri = if entry.is_dir() {
 975                MentionUri::Directory { abs_path }
 976            } else {
 977                MentionUri::File { abs_path }
 978            };
 979
 980            let new_text = format!("{} ", uri.as_link());
 981            let content_len = new_text.len() - 1;
 982
 983            let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
 984
 985            self.editor.update(cx, |message_editor, cx| {
 986                message_editor.edit(
 987                    [(
 988                        multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
 989                        new_text,
 990                    )],
 991                    cx,
 992                );
 993            });
 994            tasks.push(self.confirm_mention_completion(
 995                file_name,
 996                anchor,
 997                content_len,
 998                uri,
 999                window,
1000                cx,
1001            ));
1002        }
1003        cx.spawn(async move |_, _| {
1004            join_all(tasks).await;
1005            drop(added_worktrees);
1006        })
1007        .detach();
1008    }
1009
1010    pub fn insert_selections(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1011        let editor = self.editor.read(cx);
1012        let editor_buffer = editor.buffer().read(cx);
1013        let Some(buffer) = editor_buffer.as_singleton() else {
1014            return;
1015        };
1016        let cursor_anchor = editor.selections.newest_anchor().head();
1017        let cursor_offset = cursor_anchor.to_offset(&editor_buffer.snapshot(cx));
1018        let anchor = buffer.update(cx, |buffer, _cx| {
1019            buffer.anchor_before(cursor_offset.min(buffer.len()))
1020        });
1021        let Some(workspace) = self.workspace.upgrade() else {
1022            return;
1023        };
1024        let Some(completion) = ContextPickerCompletionProvider::completion_for_action(
1025            ContextPickerAction::AddSelections,
1026            anchor..anchor,
1027            cx.weak_entity(),
1028            &workspace,
1029            cx,
1030        ) else {
1031            return;
1032        };
1033
1034        self.editor.update(cx, |message_editor, cx| {
1035            message_editor.edit([(cursor_anchor..cursor_anchor, completion.new_text)], cx);
1036        });
1037        if let Some(confirm) = completion.confirm {
1038            confirm(CompletionIntent::Complete, window, cx);
1039        }
1040    }
1041
1042    pub fn set_read_only(&mut self, read_only: bool, cx: &mut Context<Self>) {
1043        self.editor.update(cx, |message_editor, cx| {
1044            message_editor.set_read_only(read_only);
1045            cx.notify()
1046        })
1047    }
1048
1049    pub fn set_mode(&mut self, mode: EditorMode, cx: &mut Context<Self>) {
1050        self.editor.update(cx, |editor, cx| {
1051            editor.set_mode(mode);
1052            cx.notify()
1053        });
1054    }
1055
1056    pub fn set_message(
1057        &mut self,
1058        message: Vec<acp::ContentBlock>,
1059        window: &mut Window,
1060        cx: &mut Context<Self>,
1061    ) {
1062        self.clear(window, cx);
1063
1064        let mut text = String::new();
1065        let mut mentions = Vec::new();
1066
1067        for chunk in message {
1068            match chunk {
1069                acp::ContentBlock::Text(text_content) => {
1070                    text.push_str(&text_content.text);
1071                }
1072                acp::ContentBlock::Resource(acp::EmbeddedResource {
1073                    resource: acp::EmbeddedResourceResource::TextResourceContents(resource),
1074                    ..
1075                }) => {
1076                    let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() else {
1077                        continue;
1078                    };
1079                    let start = text.len();
1080                    write!(&mut text, "{}", mention_uri.as_link()).ok();
1081                    let end = text.len();
1082                    mentions.push((
1083                        start..end,
1084                        mention_uri,
1085                        Mention::Text {
1086                            content: resource.text,
1087                            tracked_buffers: Vec::new(),
1088                        },
1089                    ));
1090                }
1091                acp::ContentBlock::ResourceLink(resource) => {
1092                    if let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() {
1093                        let start = text.len();
1094                        write!(&mut text, "{}", mention_uri.as_link()).ok();
1095                        let end = text.len();
1096                        mentions.push((start..end, mention_uri, Mention::UriOnly));
1097                    }
1098                }
1099                acp::ContentBlock::Image(acp::ImageContent {
1100                    uri,
1101                    data,
1102                    mime_type,
1103                    annotations: _,
1104                    meta: _,
1105                }) => {
1106                    let mention_uri = if let Some(uri) = uri {
1107                        MentionUri::parse(&uri)
1108                    } else {
1109                        Ok(MentionUri::PastedImage)
1110                    };
1111                    let Some(mention_uri) = mention_uri.log_err() else {
1112                        continue;
1113                    };
1114                    let Some(format) = ImageFormat::from_mime_type(&mime_type) else {
1115                        log::error!("failed to parse MIME type for image: {mime_type:?}");
1116                        continue;
1117                    };
1118                    let start = text.len();
1119                    write!(&mut text, "{}", mention_uri.as_link()).ok();
1120                    let end = text.len();
1121                    mentions.push((
1122                        start..end,
1123                        mention_uri,
1124                        Mention::Image(MentionImage {
1125                            data: data.into(),
1126                            format,
1127                        }),
1128                    ));
1129                }
1130                acp::ContentBlock::Audio(_) | acp::ContentBlock::Resource(_) => {}
1131            }
1132        }
1133
1134        let snapshot = self.editor.update(cx, |editor, cx| {
1135            editor.set_text(text, window, cx);
1136            editor.buffer().read(cx).snapshot(cx)
1137        });
1138
1139        for (range, mention_uri, mention) in mentions {
1140            let anchor = snapshot.anchor_before(range.start);
1141            let Some((crease_id, tx)) = insert_crease_for_mention(
1142                anchor.excerpt_id,
1143                anchor.text_anchor,
1144                range.end - range.start,
1145                mention_uri.name().into(),
1146                mention_uri.icon_path(cx),
1147                None,
1148                self.editor.clone(),
1149                window,
1150                cx,
1151            ) else {
1152                continue;
1153            };
1154            drop(tx);
1155
1156            self.mention_set.mentions.insert(
1157                crease_id,
1158                (mention_uri.clone(), Task::ready(Ok(mention)).shared()),
1159            );
1160        }
1161        cx.notify();
1162    }
1163
1164    pub fn text(&self, cx: &App) -> String {
1165        self.editor.read(cx).text(cx)
1166    }
1167
1168    #[cfg(test)]
1169    pub fn set_text(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
1170        self.editor.update(cx, |editor, cx| {
1171            editor.set_text(text, window, cx);
1172        });
1173    }
1174}
1175
1176fn full_mention_for_directory(
1177    project: &Entity<Project>,
1178    abs_path: &Path,
1179    cx: &mut App,
1180) -> Task<Result<Mention>> {
1181    fn collect_files_in_path(worktree: &Worktree, path: &RelPath) -> Vec<(Arc<RelPath>, String)> {
1182        let mut files = Vec::new();
1183
1184        for entry in worktree.child_entries(path) {
1185            if entry.is_dir() {
1186                files.extend(collect_files_in_path(worktree, &entry.path));
1187            } else if entry.is_file() {
1188                files.push((
1189                    entry.path.clone(),
1190                    worktree
1191                        .full_path(&entry.path)
1192                        .to_string_lossy()
1193                        .to_string(),
1194                ));
1195            }
1196        }
1197
1198        files
1199    }
1200
1201    let Some(project_path) = project
1202        .read(cx)
1203        .project_path_for_absolute_path(&abs_path, cx)
1204    else {
1205        return Task::ready(Err(anyhow!("project path not found")));
1206    };
1207    let Some(entry) = project.read(cx).entry_for_path(&project_path, cx) else {
1208        return Task::ready(Err(anyhow!("project entry not found")));
1209    };
1210    let directory_path = entry.path.clone();
1211    let worktree_id = project_path.worktree_id;
1212    let Some(worktree) = project.read(cx).worktree_for_id(worktree_id, cx) else {
1213        return Task::ready(Err(anyhow!("worktree not found")));
1214    };
1215    let project = project.clone();
1216    cx.spawn(async move |cx| {
1217        let file_paths = worktree.read_with(cx, |worktree, _cx| {
1218            collect_files_in_path(worktree, &directory_path)
1219        })?;
1220        let descendants_future = cx.update(|cx| {
1221            join_all(file_paths.into_iter().map(|(worktree_path, full_path)| {
1222                let rel_path = worktree_path
1223                    .strip_prefix(&directory_path)
1224                    .log_err()
1225                    .map_or_else(|| worktree_path.clone(), |rel_path| rel_path.into());
1226
1227                let open_task = project.update(cx, |project, cx| {
1228                    project.buffer_store().update(cx, |buffer_store, cx| {
1229                        let project_path = ProjectPath {
1230                            worktree_id,
1231                            path: worktree_path,
1232                        };
1233                        buffer_store.open_buffer(project_path, cx)
1234                    })
1235                });
1236
1237                cx.spawn(async move |cx| {
1238                    let buffer = open_task.await.log_err()?;
1239                    let buffer_content = outline::get_buffer_content_or_outline(
1240                        buffer.clone(),
1241                        Some(&full_path),
1242                        &cx,
1243                    )
1244                    .await
1245                    .ok()?;
1246
1247                    Some((rel_path, full_path, buffer_content.text, buffer))
1248                })
1249            }))
1250        })?;
1251
1252        let contents = cx
1253            .background_spawn(async move {
1254                let (contents, tracked_buffers) = descendants_future
1255                    .await
1256                    .into_iter()
1257                    .flatten()
1258                    .map(|(rel_path, full_path, rope, buffer)| {
1259                        ((rel_path, full_path, rope), buffer)
1260                    })
1261                    .unzip();
1262                Mention::Text {
1263                    content: render_directory_contents(contents),
1264                    tracked_buffers,
1265                }
1266            })
1267            .await;
1268        anyhow::Ok(contents)
1269    })
1270}
1271
1272fn render_directory_contents(entries: Vec<(Arc<RelPath>, String, String)>) -> String {
1273    let mut output = String::new();
1274    for (_relative_path, full_path, content) in entries {
1275        let fence = codeblock_fence_for_path(Some(&full_path), None);
1276        write!(output, "\n{fence}\n{content}\n```").unwrap();
1277    }
1278    output
1279}
1280
1281impl Focusable for MessageEditor {
1282    fn focus_handle(&self, cx: &App) -> FocusHandle {
1283        self.editor.focus_handle(cx)
1284    }
1285}
1286
1287impl Render for MessageEditor {
1288    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1289        div()
1290            .key_context("MessageEditor")
1291            .on_action(cx.listener(Self::send))
1292            .on_action(cx.listener(Self::cancel))
1293            .capture_action(cx.listener(Self::paste))
1294            .flex_1()
1295            .child({
1296                let settings = ThemeSettings::get_global(cx);
1297
1298                let text_style = TextStyle {
1299                    color: cx.theme().colors().text,
1300                    font_family: settings.buffer_font.family.clone(),
1301                    font_fallbacks: settings.buffer_font.fallbacks.clone(),
1302                    font_features: settings.buffer_font.features.clone(),
1303                    font_size: settings.agent_buffer_font_size(cx).into(),
1304                    line_height: relative(settings.buffer_line_height.value()),
1305                    ..Default::default()
1306                };
1307
1308                EditorElement::new(
1309                    &self.editor,
1310                    EditorStyle {
1311                        background: cx.theme().colors().editor_background,
1312                        local_player: cx.theme().players().local(),
1313                        text: text_style,
1314                        syntax: cx.theme().syntax().clone(),
1315                        inlay_hints_style: editor::make_inlay_hints_style(cx),
1316                        ..Default::default()
1317                    },
1318                )
1319            })
1320    }
1321}
1322
1323pub(crate) fn insert_crease_for_mention(
1324    excerpt_id: ExcerptId,
1325    anchor: text::Anchor,
1326    content_len: usize,
1327    crease_label: SharedString,
1328    crease_icon: SharedString,
1329    // abs_path: Option<Arc<Path>>,
1330    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1331    editor: Entity<Editor>,
1332    window: &mut Window,
1333    cx: &mut App,
1334) -> Option<(CreaseId, postage::barrier::Sender)> {
1335    let (tx, rx) = postage::barrier::channel();
1336
1337    let crease_id = editor.update(cx, |editor, cx| {
1338        let snapshot = editor.buffer().read(cx).snapshot(cx);
1339
1340        let start = snapshot.anchor_in_excerpt(excerpt_id, anchor)?;
1341
1342        let start = start.bias_right(&snapshot);
1343        let end = snapshot.anchor_before(start.to_offset(&snapshot) + content_len);
1344
1345        let placeholder = FoldPlaceholder {
1346            render: render_mention_fold_button(
1347                crease_label,
1348                crease_icon,
1349                start..end,
1350                rx,
1351                image,
1352                cx.weak_entity(),
1353                cx,
1354            ),
1355            merge_adjacent: false,
1356            ..Default::default()
1357        };
1358
1359        let crease = Crease::Inline {
1360            range: start..end,
1361            placeholder,
1362            render_toggle: None,
1363            render_trailer: None,
1364            metadata: None,
1365        };
1366
1367        let ids = editor.insert_creases(vec![crease.clone()], cx);
1368        editor.fold_creases(vec![crease], true, window, cx);
1369
1370        Some(ids[0])
1371    })?;
1372
1373    Some((crease_id, tx))
1374}
1375
1376fn render_mention_fold_button(
1377    label: SharedString,
1378    icon: SharedString,
1379    range: Range<Anchor>,
1380    mut loading_finished: postage::barrier::Receiver,
1381    image_task: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1382    editor: WeakEntity<Editor>,
1383    cx: &mut App,
1384) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
1385    let loading = cx.new(|cx| {
1386        let loading = cx.spawn(async move |this, cx| {
1387            loading_finished.recv().await;
1388            this.update(cx, |this: &mut LoadingContext, cx| {
1389                this.loading = None;
1390                cx.notify();
1391            })
1392            .ok();
1393        });
1394        LoadingContext {
1395            id: cx.entity_id(),
1396            label,
1397            icon,
1398            range,
1399            editor,
1400            loading: Some(loading),
1401            image: image_task.clone(),
1402        }
1403    });
1404    Arc::new(move |_fold_id, _fold_range, _cx| loading.clone().into_any_element())
1405}
1406
1407struct LoadingContext {
1408    id: EntityId,
1409    label: SharedString,
1410    icon: SharedString,
1411    range: Range<Anchor>,
1412    editor: WeakEntity<Editor>,
1413    loading: Option<Task<()>>,
1414    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1415}
1416
1417impl Render for LoadingContext {
1418    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1419        let is_in_text_selection = self
1420            .editor
1421            .update(cx, |editor, cx| editor.is_range_selected(&self.range, cx))
1422            .unwrap_or_default();
1423        ButtonLike::new(("loading-context", self.id))
1424            .style(ButtonStyle::Filled)
1425            .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1426            .toggle_state(is_in_text_selection)
1427            .when_some(self.image.clone(), |el, image_task| {
1428                el.hoverable_tooltip(move |_, cx| {
1429                    let image = image_task.peek().cloned().transpose().ok().flatten();
1430                    let image_task = image_task.clone();
1431                    cx.new::<ImageHover>(|cx| ImageHover {
1432                        image,
1433                        _task: cx.spawn(async move |this, cx| {
1434                            if let Ok(image) = image_task.clone().await {
1435                                this.update(cx, |this, cx| {
1436                                    if this.image.replace(image).is_none() {
1437                                        cx.notify();
1438                                    }
1439                                })
1440                                .ok();
1441                            }
1442                        }),
1443                    })
1444                    .into()
1445                })
1446            })
1447            .child(
1448                h_flex()
1449                    .gap_1()
1450                    .child(
1451                        Icon::from_path(self.icon.clone())
1452                            .size(IconSize::XSmall)
1453                            .color(Color::Muted),
1454                    )
1455                    .child(
1456                        Label::new(self.label.clone())
1457                            .size(LabelSize::Small)
1458                            .buffer_font(cx)
1459                            .single_line(),
1460                    )
1461                    .map(|el| {
1462                        if self.loading.is_some() {
1463                            el.with_animation(
1464                                "loading-context-crease",
1465                                Animation::new(Duration::from_secs(2))
1466                                    .repeat()
1467                                    .with_easing(pulsating_between(0.4, 0.8)),
1468                                |label, delta| label.opacity(delta),
1469                            )
1470                            .into_any()
1471                        } else {
1472                            el.into_any()
1473                        }
1474                    }),
1475            )
1476    }
1477}
1478
1479struct ImageHover {
1480    image: Option<Arc<Image>>,
1481    _task: Task<()>,
1482}
1483
1484impl Render for ImageHover {
1485    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1486        if let Some(image) = self.image.clone() {
1487            gpui::img(image).max_w_96().max_h_96().into_any_element()
1488        } else {
1489            gpui::Empty.into_any_element()
1490        }
1491    }
1492}
1493
1494#[derive(Debug, Clone, Eq, PartialEq)]
1495pub enum Mention {
1496    Text {
1497        content: String,
1498        tracked_buffers: Vec<Entity<Buffer>>,
1499    },
1500    Image(MentionImage),
1501    UriOnly,
1502}
1503
1504#[derive(Clone, Debug, Eq, PartialEq)]
1505pub struct MentionImage {
1506    pub data: SharedString,
1507    pub format: ImageFormat,
1508}
1509
1510#[derive(Default)]
1511pub struct MentionSet {
1512    mentions: HashMap<CreaseId, (MentionUri, Shared<Task<Result<Mention, String>>>)>,
1513}
1514
1515impl MentionSet {
1516    fn contents(
1517        &self,
1518        prompt_capabilities: &acp::PromptCapabilities,
1519        full_mention_content: bool,
1520        project: Entity<Project>,
1521        cx: &mut App,
1522    ) -> Task<Result<HashMap<CreaseId, (MentionUri, Mention)>>> {
1523        if !prompt_capabilities.embedded_context {
1524            let mentions = self
1525                .mentions
1526                .iter()
1527                .map(|(crease_id, (uri, _))| (*crease_id, (uri.clone(), Mention::UriOnly)))
1528                .collect();
1529
1530            return Task::ready(Ok(mentions));
1531        }
1532
1533        let mentions = self.mentions.clone();
1534        cx.spawn(async move |cx| {
1535            let mut contents = HashMap::default();
1536            for (crease_id, (mention_uri, task)) in mentions {
1537                let content = if full_mention_content
1538                    && let MentionUri::Directory { abs_path } = &mention_uri
1539                {
1540                    cx.update(|cx| full_mention_for_directory(&project, abs_path, cx))?
1541                        .await?
1542                } else {
1543                    task.await.map_err(|e| anyhow!("{e}"))?
1544                };
1545
1546                contents.insert(crease_id, (mention_uri, content));
1547            }
1548            Ok(contents)
1549        })
1550    }
1551
1552    fn remove_invalid(&mut self, snapshot: EditorSnapshot) {
1553        for (crease_id, crease) in snapshot.crease_snapshot.creases() {
1554            if !crease.range().start.is_valid(&snapshot.buffer_snapshot()) {
1555                self.mentions.remove(&crease_id);
1556            }
1557        }
1558    }
1559}
1560
1561pub struct MessageEditorAddon {}
1562
1563impl MessageEditorAddon {
1564    pub fn new() -> Self {
1565        Self {}
1566    }
1567}
1568
1569impl Addon for MessageEditorAddon {
1570    fn to_any(&self) -> &dyn std::any::Any {
1571        self
1572    }
1573
1574    fn to_any_mut(&mut self) -> Option<&mut dyn std::any::Any> {
1575        Some(self)
1576    }
1577
1578    fn extend_key_context(&self, key_context: &mut KeyContext, cx: &App) {
1579        let settings = agent_settings::AgentSettings::get_global(cx);
1580        if settings.use_modifier_to_send {
1581            key_context.add("use_modifier_to_send");
1582        }
1583    }
1584}
1585
1586#[cfg(test)]
1587mod tests {
1588    use std::{cell::RefCell, ops::Range, path::Path, rc::Rc, sync::Arc};
1589
1590    use acp_thread::MentionUri;
1591    use agent_client_protocol as acp;
1592    use agent2::HistoryStore;
1593    use assistant_context::ContextStore;
1594    use assistant_tool::outline;
1595    use editor::{AnchorRangeExt as _, Editor, EditorMode};
1596    use fs::FakeFs;
1597    use futures::StreamExt as _;
1598    use gpui::{
1599        AppContext, Entity, EventEmitter, FocusHandle, Focusable, TestAppContext, VisualTestContext,
1600    };
1601    use lsp::{CompletionContext, CompletionTriggerKind};
1602    use project::{CompletionIntent, Project, ProjectPath};
1603    use serde_json::json;
1604    use text::Point;
1605    use ui::{App, Context, IntoElement, Render, SharedString, Window};
1606    use util::{path, paths::PathStyle, rel_path::rel_path};
1607    use workspace::{AppState, Item, Workspace};
1608
1609    use crate::acp::{
1610        message_editor::{Mention, MessageEditor},
1611        thread_view::tests::init_test,
1612    };
1613
1614    #[gpui::test]
1615    async fn test_at_mention_removal(cx: &mut TestAppContext) {
1616        init_test(cx);
1617
1618        let fs = FakeFs::new(cx.executor());
1619        fs.insert_tree("/project", json!({"file": ""})).await;
1620        let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
1621
1622        let (workspace, cx) =
1623            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
1624
1625        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1626        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1627
1628        let message_editor = cx.update(|window, cx| {
1629            cx.new(|cx| {
1630                MessageEditor::new(
1631                    workspace.downgrade(),
1632                    project.clone(),
1633                    history_store.clone(),
1634                    None,
1635                    Default::default(),
1636                    Default::default(),
1637                    "Test Agent".into(),
1638                    "Test",
1639                    EditorMode::AutoHeight {
1640                        min_lines: 1,
1641                        max_lines: None,
1642                    },
1643                    window,
1644                    cx,
1645                )
1646            })
1647        });
1648        let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
1649
1650        cx.run_until_parked();
1651
1652        let excerpt_id = editor.update(cx, |editor, cx| {
1653            editor
1654                .buffer()
1655                .read(cx)
1656                .excerpt_ids()
1657                .into_iter()
1658                .next()
1659                .unwrap()
1660        });
1661        let completions = editor.update_in(cx, |editor, window, cx| {
1662            editor.set_text("Hello @file ", window, cx);
1663            let buffer = editor.buffer().read(cx).as_singleton().unwrap();
1664            let completion_provider = editor.completion_provider().unwrap();
1665            completion_provider.completions(
1666                excerpt_id,
1667                &buffer,
1668                text::Anchor::MAX,
1669                CompletionContext {
1670                    trigger_kind: CompletionTriggerKind::TRIGGER_CHARACTER,
1671                    trigger_character: Some("@".into()),
1672                },
1673                window,
1674                cx,
1675            )
1676        });
1677        let [_, completion]: [_; 2] = completions
1678            .await
1679            .unwrap()
1680            .into_iter()
1681            .flat_map(|response| response.completions)
1682            .collect::<Vec<_>>()
1683            .try_into()
1684            .unwrap();
1685
1686        editor.update_in(cx, |editor, window, cx| {
1687            let snapshot = editor.buffer().read(cx).snapshot(cx);
1688            let start = snapshot
1689                .anchor_in_excerpt(excerpt_id, completion.replace_range.start)
1690                .unwrap();
1691            let end = snapshot
1692                .anchor_in_excerpt(excerpt_id, completion.replace_range.end)
1693                .unwrap();
1694            editor.edit([(start..end, completion.new_text)], cx);
1695            (completion.confirm.unwrap())(CompletionIntent::Complete, window, cx);
1696        });
1697
1698        cx.run_until_parked();
1699
1700        // Backspace over the inserted crease (and the following space).
1701        editor.update_in(cx, |editor, window, cx| {
1702            editor.backspace(&Default::default(), window, cx);
1703            editor.backspace(&Default::default(), window, cx);
1704        });
1705
1706        let (content, _) = message_editor
1707            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1708            .await
1709            .unwrap();
1710
1711        // We don't send a resource link for the deleted crease.
1712        pretty_assertions::assert_matches!(content.as_slice(), [acp::ContentBlock::Text { .. }]);
1713    }
1714
1715    #[gpui::test]
1716    async fn test_slash_command_validation(cx: &mut gpui::TestAppContext) {
1717        init_test(cx);
1718        let fs = FakeFs::new(cx.executor());
1719        fs.insert_tree(
1720            "/test",
1721            json!({
1722                ".zed": {
1723                    "tasks.json": r#"[{"label": "test", "command": "echo"}]"#
1724                },
1725                "src": {
1726                    "main.rs": "fn main() {}",
1727                },
1728            }),
1729        )
1730        .await;
1731
1732        let project = Project::test(fs.clone(), ["/test".as_ref()], cx).await;
1733        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1734        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1735        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
1736        // Start with no available commands - simulating Claude which doesn't support slash commands
1737        let available_commands = Rc::new(RefCell::new(vec![]));
1738
1739        let (workspace, cx) =
1740            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
1741        let workspace_handle = workspace.downgrade();
1742        let message_editor = workspace.update_in(cx, |_, window, cx| {
1743            cx.new(|cx| {
1744                MessageEditor::new(
1745                    workspace_handle.clone(),
1746                    project.clone(),
1747                    history_store.clone(),
1748                    None,
1749                    prompt_capabilities.clone(),
1750                    available_commands.clone(),
1751                    "Claude Code".into(),
1752                    "Test",
1753                    EditorMode::AutoHeight {
1754                        min_lines: 1,
1755                        max_lines: None,
1756                    },
1757                    window,
1758                    cx,
1759                )
1760            })
1761        });
1762        let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
1763
1764        // Test that slash commands fail when no available_commands are set (empty list means no commands supported)
1765        editor.update_in(cx, |editor, window, cx| {
1766            editor.set_text("/file test.txt", window, cx);
1767        });
1768
1769        let contents_result = message_editor
1770            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1771            .await;
1772
1773        // Should fail because available_commands is empty (no commands supported)
1774        assert!(contents_result.is_err());
1775        let error_message = contents_result.unwrap_err().to_string();
1776        assert!(error_message.contains("not supported by Claude Code"));
1777        assert!(error_message.contains("Available commands: none"));
1778
1779        // Now simulate Claude providing its list of available commands (which doesn't include file)
1780        available_commands.replace(vec![acp::AvailableCommand {
1781            name: "help".to_string(),
1782            description: "Get help".to_string(),
1783            input: None,
1784            meta: None,
1785        }]);
1786
1787        // Test that unsupported slash commands trigger an error when we have a list of available commands
1788        editor.update_in(cx, |editor, window, cx| {
1789            editor.set_text("/file test.txt", window, cx);
1790        });
1791
1792        let contents_result = message_editor
1793            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1794            .await;
1795
1796        assert!(contents_result.is_err());
1797        let error_message = contents_result.unwrap_err().to_string();
1798        assert!(error_message.contains("not supported by Claude Code"));
1799        assert!(error_message.contains("/file"));
1800        assert!(error_message.contains("Available commands: /help"));
1801
1802        // Test that supported commands work fine
1803        editor.update_in(cx, |editor, window, cx| {
1804            editor.set_text("/help", window, cx);
1805        });
1806
1807        let contents_result = message_editor
1808            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1809            .await;
1810
1811        // Should succeed because /help is in available_commands
1812        assert!(contents_result.is_ok());
1813
1814        // Test that regular text works fine
1815        editor.update_in(cx, |editor, window, cx| {
1816            editor.set_text("Hello Claude!", window, cx);
1817        });
1818
1819        let (content, _) = message_editor
1820            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1821            .await
1822            .unwrap();
1823
1824        assert_eq!(content.len(), 1);
1825        if let acp::ContentBlock::Text(text) = &content[0] {
1826            assert_eq!(text.text, "Hello Claude!");
1827        } else {
1828            panic!("Expected ContentBlock::Text");
1829        }
1830
1831        // Test that @ mentions still work
1832        editor.update_in(cx, |editor, window, cx| {
1833            editor.set_text("Check this @", window, cx);
1834        });
1835
1836        // The @ mention functionality should not be affected
1837        let (content, _) = message_editor
1838            .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1839            .await
1840            .unwrap();
1841
1842        assert_eq!(content.len(), 1);
1843        if let acp::ContentBlock::Text(text) = &content[0] {
1844            assert_eq!(text.text, "Check this @");
1845        } else {
1846            panic!("Expected ContentBlock::Text");
1847        }
1848    }
1849
1850    struct MessageEditorItem(Entity<MessageEditor>);
1851
1852    impl Item for MessageEditorItem {
1853        type Event = ();
1854
1855        fn include_in_nav_history() -> bool {
1856            false
1857        }
1858
1859        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
1860            "Test".into()
1861        }
1862    }
1863
1864    impl EventEmitter<()> for MessageEditorItem {}
1865
1866    impl Focusable for MessageEditorItem {
1867        fn focus_handle(&self, cx: &App) -> FocusHandle {
1868            self.0.read(cx).focus_handle(cx)
1869        }
1870    }
1871
1872    impl Render for MessageEditorItem {
1873        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1874            self.0.clone().into_any_element()
1875        }
1876    }
1877
1878    #[gpui::test]
1879    async fn test_completion_provider_commands(cx: &mut TestAppContext) {
1880        init_test(cx);
1881
1882        let app_state = cx.update(AppState::test);
1883
1884        cx.update(|cx| {
1885            language::init(cx);
1886            editor::init(cx);
1887            workspace::init(app_state.clone(), cx);
1888            Project::init_settings(cx);
1889        });
1890
1891        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
1892        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
1893        let workspace = window.root(cx).unwrap();
1894
1895        let mut cx = VisualTestContext::from_window(*window, cx);
1896
1897        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1898        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1899        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
1900        let available_commands = Rc::new(RefCell::new(vec![
1901            acp::AvailableCommand {
1902                name: "quick-math".to_string(),
1903                description: "2 + 2 = 4 - 1 = 3".to_string(),
1904                input: None,
1905                meta: None,
1906            },
1907            acp::AvailableCommand {
1908                name: "say-hello".to_string(),
1909                description: "Say hello to whoever you want".to_string(),
1910                input: Some(acp::AvailableCommandInput::Unstructured {
1911                    hint: "<name>".to_string(),
1912                }),
1913                meta: None,
1914            },
1915        ]));
1916
1917        let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
1918            let workspace_handle = cx.weak_entity();
1919            let message_editor = cx.new(|cx| {
1920                MessageEditor::new(
1921                    workspace_handle,
1922                    project.clone(),
1923                    history_store.clone(),
1924                    None,
1925                    prompt_capabilities.clone(),
1926                    available_commands.clone(),
1927                    "Test Agent".into(),
1928                    "Test",
1929                    EditorMode::AutoHeight {
1930                        max_lines: None,
1931                        min_lines: 1,
1932                    },
1933                    window,
1934                    cx,
1935                )
1936            });
1937            workspace.active_pane().update(cx, |pane, cx| {
1938                pane.add_item(
1939                    Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
1940                    true,
1941                    true,
1942                    None,
1943                    window,
1944                    cx,
1945                );
1946            });
1947            message_editor.read(cx).focus_handle(cx).focus(window);
1948            message_editor.read(cx).editor().clone()
1949        });
1950
1951        cx.simulate_input("/");
1952
1953        editor.update_in(&mut cx, |editor, window, cx| {
1954            assert_eq!(editor.text(cx), "/");
1955            assert!(editor.has_visible_completions_menu());
1956
1957            assert_eq!(
1958                current_completion_labels_with_documentation(editor),
1959                &[
1960                    ("quick-math".into(), "2 + 2 = 4 - 1 = 3".into()),
1961                    ("say-hello".into(), "Say hello to whoever you want".into())
1962                ]
1963            );
1964            editor.set_text("", window, cx);
1965        });
1966
1967        cx.simulate_input("/qui");
1968
1969        editor.update_in(&mut cx, |editor, window, cx| {
1970            assert_eq!(editor.text(cx), "/qui");
1971            assert!(editor.has_visible_completions_menu());
1972
1973            assert_eq!(
1974                current_completion_labels_with_documentation(editor),
1975                &[("quick-math".into(), "2 + 2 = 4 - 1 = 3".into())]
1976            );
1977            editor.set_text("", window, cx);
1978        });
1979
1980        editor.update_in(&mut cx, |editor, window, cx| {
1981            assert!(editor.has_visible_completions_menu());
1982            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
1983        });
1984
1985        cx.run_until_parked();
1986
1987        editor.update_in(&mut cx, |editor, window, cx| {
1988            assert_eq!(editor.display_text(cx), "/quick-math ");
1989            assert!(!editor.has_visible_completions_menu());
1990            editor.set_text("", window, cx);
1991        });
1992
1993        cx.simulate_input("/say");
1994
1995        editor.update_in(&mut cx, |editor, _window, cx| {
1996            assert_eq!(editor.display_text(cx), "/say");
1997            assert!(editor.has_visible_completions_menu());
1998
1999            assert_eq!(
2000                current_completion_labels_with_documentation(editor),
2001                &[("say-hello".into(), "Say hello to whoever you want".into())]
2002            );
2003        });
2004
2005        editor.update_in(&mut cx, |editor, window, cx| {
2006            assert!(editor.has_visible_completions_menu());
2007            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2008        });
2009
2010        cx.run_until_parked();
2011
2012        editor.update_in(&mut cx, |editor, _window, cx| {
2013            assert_eq!(editor.text(cx), "/say-hello ");
2014            assert_eq!(editor.display_text(cx), "/say-hello <name>");
2015            assert!(editor.has_visible_completions_menu());
2016
2017            assert_eq!(
2018                current_completion_labels_with_documentation(editor),
2019                &[("say-hello".into(), "Say hello to whoever you want".into())]
2020            );
2021        });
2022
2023        cx.simulate_input("GPT5");
2024
2025        editor.update_in(&mut cx, |editor, window, cx| {
2026            assert!(editor.has_visible_completions_menu());
2027            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2028        });
2029
2030        cx.run_until_parked();
2031
2032        editor.update_in(&mut cx, |editor, window, cx| {
2033            assert_eq!(editor.text(cx), "/say-hello GPT5");
2034            assert_eq!(editor.display_text(cx), "/say-hello GPT5");
2035            assert!(!editor.has_visible_completions_menu());
2036
2037            // Delete argument
2038            for _ in 0..4 {
2039                editor.backspace(&editor::actions::Backspace, window, cx);
2040            }
2041        });
2042
2043        cx.run_until_parked();
2044
2045        editor.update_in(&mut cx, |editor, window, cx| {
2046            assert_eq!(editor.text(cx), "/say-hello ");
2047            // Hint is visible because argument was deleted
2048            assert_eq!(editor.display_text(cx), "/say-hello <name>");
2049
2050            // Delete last command letter
2051            editor.backspace(&editor::actions::Backspace, window, cx);
2052            editor.backspace(&editor::actions::Backspace, window, cx);
2053        });
2054
2055        cx.run_until_parked();
2056
2057        editor.update_in(&mut cx, |editor, _window, cx| {
2058            // Hint goes away once command no longer matches an available one
2059            assert_eq!(editor.text(cx), "/say-hell");
2060            assert_eq!(editor.display_text(cx), "/say-hell");
2061            assert!(!editor.has_visible_completions_menu());
2062        });
2063    }
2064
2065    #[gpui::test]
2066    async fn test_context_completion_provider_mentions(cx: &mut TestAppContext) {
2067        init_test(cx);
2068
2069        let app_state = cx.update(AppState::test);
2070
2071        cx.update(|cx| {
2072            language::init(cx);
2073            editor::init(cx);
2074            workspace::init(app_state.clone(), cx);
2075            Project::init_settings(cx);
2076        });
2077
2078        app_state
2079            .fs
2080            .as_fake()
2081            .insert_tree(
2082                path!("/dir"),
2083                json!({
2084                    "editor": "",
2085                    "a": {
2086                        "one.txt": "1",
2087                        "two.txt": "2",
2088                        "three.txt": "3",
2089                        "four.txt": "4"
2090                    },
2091                    "b": {
2092                        "five.txt": "5",
2093                        "six.txt": "6",
2094                        "seven.txt": "7",
2095                        "eight.txt": "8",
2096                    },
2097                    "x.png": "",
2098                }),
2099            )
2100            .await;
2101
2102        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
2103        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
2104        let workspace = window.root(cx).unwrap();
2105
2106        let worktree = project.update(cx, |project, cx| {
2107            let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
2108            assert_eq!(worktrees.len(), 1);
2109            worktrees.pop().unwrap()
2110        });
2111        let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2112
2113        let mut cx = VisualTestContext::from_window(*window, cx);
2114
2115        let paths = vec![
2116            rel_path("a/one.txt"),
2117            rel_path("a/two.txt"),
2118            rel_path("a/three.txt"),
2119            rel_path("a/four.txt"),
2120            rel_path("b/five.txt"),
2121            rel_path("b/six.txt"),
2122            rel_path("b/seven.txt"),
2123            rel_path("b/eight.txt"),
2124        ];
2125
2126        let slash = PathStyle::local().separator();
2127
2128        let mut opened_editors = Vec::new();
2129        for path in paths {
2130            let buffer = workspace
2131                .update_in(&mut cx, |workspace, window, cx| {
2132                    workspace.open_path(
2133                        ProjectPath {
2134                            worktree_id,
2135                            path: path.into(),
2136                        },
2137                        None,
2138                        false,
2139                        window,
2140                        cx,
2141                    )
2142                })
2143                .await
2144                .unwrap();
2145            opened_editors.push(buffer);
2146        }
2147
2148        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
2149        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
2150        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
2151
2152        let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
2153            let workspace_handle = cx.weak_entity();
2154            let message_editor = cx.new(|cx| {
2155                MessageEditor::new(
2156                    workspace_handle,
2157                    project.clone(),
2158                    history_store.clone(),
2159                    None,
2160                    prompt_capabilities.clone(),
2161                    Default::default(),
2162                    "Test Agent".into(),
2163                    "Test",
2164                    EditorMode::AutoHeight {
2165                        max_lines: None,
2166                        min_lines: 1,
2167                    },
2168                    window,
2169                    cx,
2170                )
2171            });
2172            workspace.active_pane().update(cx, |pane, cx| {
2173                pane.add_item(
2174                    Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
2175                    true,
2176                    true,
2177                    None,
2178                    window,
2179                    cx,
2180                );
2181            });
2182            message_editor.read(cx).focus_handle(cx).focus(window);
2183            let editor = message_editor.read(cx).editor().clone();
2184            (message_editor, editor)
2185        });
2186
2187        cx.simulate_input("Lorem @");
2188
2189        editor.update_in(&mut cx, |editor, window, cx| {
2190            assert_eq!(editor.text(cx), "Lorem @");
2191            assert!(editor.has_visible_completions_menu());
2192
2193            assert_eq!(
2194                current_completion_labels(editor),
2195                &[
2196                    format!("eight.txt dir{slash}b{slash}"),
2197                    format!("seven.txt dir{slash}b{slash}"),
2198                    format!("six.txt dir{slash}b{slash}"),
2199                    format!("five.txt dir{slash}b{slash}"),
2200                ]
2201            );
2202            editor.set_text("", window, cx);
2203        });
2204
2205        prompt_capabilities.replace(acp::PromptCapabilities {
2206            image: true,
2207            audio: true,
2208            embedded_context: true,
2209            meta: None,
2210        });
2211
2212        cx.simulate_input("Lorem ");
2213
2214        editor.update(&mut cx, |editor, cx| {
2215            assert_eq!(editor.text(cx), "Lorem ");
2216            assert!(!editor.has_visible_completions_menu());
2217        });
2218
2219        cx.simulate_input("@");
2220
2221        editor.update(&mut cx, |editor, cx| {
2222            assert_eq!(editor.text(cx), "Lorem @");
2223            assert!(editor.has_visible_completions_menu());
2224            assert_eq!(
2225                current_completion_labels(editor),
2226                &[
2227                    format!("eight.txt dir{slash}b{slash}"),
2228                    format!("seven.txt dir{slash}b{slash}"),
2229                    format!("six.txt dir{slash}b{slash}"),
2230                    format!("five.txt dir{slash}b{slash}"),
2231                    "Files & Directories".into(),
2232                    "Symbols".into(),
2233                    "Threads".into(),
2234                    "Fetch".into()
2235                ]
2236            );
2237        });
2238
2239        // Select and confirm "File"
2240        editor.update_in(&mut cx, |editor, window, cx| {
2241            assert!(editor.has_visible_completions_menu());
2242            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2243            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2244            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2245            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2246            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2247        });
2248
2249        cx.run_until_parked();
2250
2251        editor.update(&mut cx, |editor, cx| {
2252            assert_eq!(editor.text(cx), "Lorem @file ");
2253            assert!(editor.has_visible_completions_menu());
2254        });
2255
2256        cx.simulate_input("one");
2257
2258        editor.update(&mut cx, |editor, cx| {
2259            assert_eq!(editor.text(cx), "Lorem @file one");
2260            assert!(editor.has_visible_completions_menu());
2261            assert_eq!(
2262                current_completion_labels(editor),
2263                vec![format!("one.txt dir{slash}a{slash}")]
2264            );
2265        });
2266
2267        editor.update_in(&mut cx, |editor, window, cx| {
2268            assert!(editor.has_visible_completions_menu());
2269            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2270        });
2271
2272        let url_one = MentionUri::File {
2273            abs_path: path!("/dir/a/one.txt").into(),
2274        }
2275        .to_uri()
2276        .to_string();
2277        editor.update(&mut cx, |editor, cx| {
2278            let text = editor.text(cx);
2279            assert_eq!(text, format!("Lorem [@one.txt]({url_one}) "));
2280            assert!(!editor.has_visible_completions_menu());
2281            assert_eq!(fold_ranges(editor, cx).len(), 1);
2282        });
2283
2284        let all_prompt_capabilities = acp::PromptCapabilities {
2285            image: true,
2286            audio: true,
2287            embedded_context: true,
2288            meta: None,
2289        };
2290
2291        let contents = message_editor
2292            .update(&mut cx, |message_editor, cx| {
2293                message_editor.mention_set().contents(
2294                    &all_prompt_capabilities,
2295                    false,
2296                    project.clone(),
2297                    cx,
2298                )
2299            })
2300            .await
2301            .unwrap()
2302            .into_values()
2303            .collect::<Vec<_>>();
2304
2305        {
2306            let [(uri, Mention::Text { content, .. })] = contents.as_slice() else {
2307                panic!("Unexpected mentions");
2308            };
2309            pretty_assertions::assert_eq!(content, "1");
2310            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
2311        }
2312
2313        let contents = message_editor
2314            .update(&mut cx, |message_editor, cx| {
2315                message_editor.mention_set().contents(
2316                    &acp::PromptCapabilities::default(),
2317                    false,
2318                    project.clone(),
2319                    cx,
2320                )
2321            })
2322            .await
2323            .unwrap()
2324            .into_values()
2325            .collect::<Vec<_>>();
2326
2327        {
2328            let [(uri, Mention::UriOnly)] = contents.as_slice() else {
2329                panic!("Unexpected mentions");
2330            };
2331            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
2332        }
2333
2334        cx.simulate_input(" ");
2335
2336        editor.update(&mut cx, |editor, cx| {
2337            let text = editor.text(cx);
2338            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  "));
2339            assert!(!editor.has_visible_completions_menu());
2340            assert_eq!(fold_ranges(editor, cx).len(), 1);
2341        });
2342
2343        cx.simulate_input("Ipsum ");
2344
2345        editor.update(&mut cx, |editor, cx| {
2346            let text = editor.text(cx);
2347            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum "),);
2348            assert!(!editor.has_visible_completions_menu());
2349            assert_eq!(fold_ranges(editor, cx).len(), 1);
2350        });
2351
2352        cx.simulate_input("@file ");
2353
2354        editor.update(&mut cx, |editor, cx| {
2355            let text = editor.text(cx);
2356            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum @file "),);
2357            assert!(editor.has_visible_completions_menu());
2358            assert_eq!(fold_ranges(editor, cx).len(), 1);
2359        });
2360
2361        editor.update_in(&mut cx, |editor, window, cx| {
2362            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2363        });
2364
2365        cx.run_until_parked();
2366
2367        let contents = message_editor
2368            .update(&mut cx, |message_editor, cx| {
2369                message_editor.mention_set().contents(
2370                    &all_prompt_capabilities,
2371                    false,
2372                    project.clone(),
2373                    cx,
2374                )
2375            })
2376            .await
2377            .unwrap()
2378            .into_values()
2379            .collect::<Vec<_>>();
2380
2381        let url_eight = MentionUri::File {
2382            abs_path: path!("/dir/b/eight.txt").into(),
2383        }
2384        .to_uri()
2385        .to_string();
2386
2387        {
2388            let [_, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2389                panic!("Unexpected mentions");
2390            };
2391            pretty_assertions::assert_eq!(content, "8");
2392            pretty_assertions::assert_eq!(uri, &url_eight.parse::<MentionUri>().unwrap());
2393        }
2394
2395        editor.update(&mut cx, |editor, cx| {
2396            assert_eq!(
2397                editor.text(cx),
2398                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) ")
2399            );
2400            assert!(!editor.has_visible_completions_menu());
2401            assert_eq!(fold_ranges(editor, cx).len(), 2);
2402        });
2403
2404        let plain_text_language = Arc::new(language::Language::new(
2405            language::LanguageConfig {
2406                name: "Plain Text".into(),
2407                matcher: language::LanguageMatcher {
2408                    path_suffixes: vec!["txt".to_string()],
2409                    ..Default::default()
2410                },
2411                ..Default::default()
2412            },
2413            None,
2414        ));
2415
2416        // Register the language and fake LSP
2417        let language_registry = project.read_with(&cx, |project, _| project.languages().clone());
2418        language_registry.add(plain_text_language);
2419
2420        let mut fake_language_servers = language_registry.register_fake_lsp(
2421            "Plain Text",
2422            language::FakeLspAdapter {
2423                capabilities: lsp::ServerCapabilities {
2424                    workspace_symbol_provider: Some(lsp::OneOf::Left(true)),
2425                    ..Default::default()
2426                },
2427                ..Default::default()
2428            },
2429        );
2430
2431        // Open the buffer to trigger LSP initialization
2432        let buffer = project
2433            .update(&mut cx, |project, cx| {
2434                project.open_local_buffer(path!("/dir/a/one.txt"), cx)
2435            })
2436            .await
2437            .unwrap();
2438
2439        // Register the buffer with language servers
2440        let _handle = project.update(&mut cx, |project, cx| {
2441            project.register_buffer_with_language_servers(&buffer, cx)
2442        });
2443
2444        cx.run_until_parked();
2445
2446        let fake_language_server = fake_language_servers.next().await.unwrap();
2447        fake_language_server.set_request_handler::<lsp::WorkspaceSymbolRequest, _, _>(
2448            move |_, _| async move {
2449                Ok(Some(lsp::WorkspaceSymbolResponse::Flat(vec![
2450                    #[allow(deprecated)]
2451                    lsp::SymbolInformation {
2452                        name: "MySymbol".into(),
2453                        location: lsp::Location {
2454                            uri: lsp::Uri::from_file_path(path!("/dir/a/one.txt")).unwrap(),
2455                            range: lsp::Range::new(
2456                                lsp::Position::new(0, 0),
2457                                lsp::Position::new(0, 1),
2458                            ),
2459                        },
2460                        kind: lsp::SymbolKind::CONSTANT,
2461                        tags: None,
2462                        container_name: None,
2463                        deprecated: None,
2464                    },
2465                ])))
2466            },
2467        );
2468
2469        cx.simulate_input("@symbol ");
2470
2471        editor.update(&mut cx, |editor, cx| {
2472            assert_eq!(
2473                editor.text(cx),
2474                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) @symbol ")
2475            );
2476            assert!(editor.has_visible_completions_menu());
2477            assert_eq!(current_completion_labels(editor), &["MySymbol"]);
2478        });
2479
2480        editor.update_in(&mut cx, |editor, window, cx| {
2481            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2482        });
2483
2484        let symbol = MentionUri::Symbol {
2485            abs_path: path!("/dir/a/one.txt").into(),
2486            name: "MySymbol".into(),
2487            line_range: 0..=0,
2488        };
2489
2490        let contents = message_editor
2491            .update(&mut cx, |message_editor, cx| {
2492                message_editor.mention_set().contents(
2493                    &all_prompt_capabilities,
2494                    false,
2495                    project.clone(),
2496                    cx,
2497                )
2498            })
2499            .await
2500            .unwrap()
2501            .into_values()
2502            .collect::<Vec<_>>();
2503
2504        {
2505            let [_, _, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2506                panic!("Unexpected mentions");
2507            };
2508            pretty_assertions::assert_eq!(content, "1");
2509            pretty_assertions::assert_eq!(uri, &symbol);
2510        }
2511
2512        cx.run_until_parked();
2513
2514        editor.read_with(&cx, |editor, cx| {
2515            assert_eq!(
2516                editor.text(cx),
2517                format!(
2518                    "Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2519                    symbol.to_uri(),
2520                )
2521            );
2522        });
2523
2524        // Try to mention an "image" file that will fail to load
2525        cx.simulate_input("@file x.png");
2526
2527        editor.update(&mut cx, |editor, cx| {
2528            assert_eq!(
2529                editor.text(cx),
2530                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) @file x.png", symbol.to_uri())
2531            );
2532            assert!(editor.has_visible_completions_menu());
2533            assert_eq!(current_completion_labels(editor), &[format!("x.png dir{slash}")]);
2534        });
2535
2536        editor.update_in(&mut cx, |editor, window, cx| {
2537            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2538        });
2539
2540        // Getting the message contents fails
2541        message_editor
2542            .update(&mut cx, |message_editor, cx| {
2543                message_editor.mention_set().contents(
2544                    &all_prompt_capabilities,
2545                    false,
2546                    project.clone(),
2547                    cx,
2548                )
2549            })
2550            .await
2551            .expect_err("Should fail to load x.png");
2552
2553        cx.run_until_parked();
2554
2555        // Mention was removed
2556        editor.read_with(&cx, |editor, cx| {
2557            assert_eq!(
2558                editor.text(cx),
2559                format!(
2560                    "Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2561                    symbol.to_uri()
2562                )
2563            );
2564        });
2565
2566        // Once more
2567        cx.simulate_input("@file x.png");
2568
2569        editor.update(&mut cx, |editor, cx| {
2570                    assert_eq!(
2571                        editor.text(cx),
2572                        format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) @file x.png", symbol.to_uri())
2573                    );
2574                    assert!(editor.has_visible_completions_menu());
2575                    assert_eq!(current_completion_labels(editor), &[format!("x.png dir{slash}")]);
2576                });
2577
2578        editor.update_in(&mut cx, |editor, window, cx| {
2579            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2580        });
2581
2582        // This time don't immediately get the contents, just let the confirmed completion settle
2583        cx.run_until_parked();
2584
2585        // Mention was removed
2586        editor.read_with(&cx, |editor, cx| {
2587            assert_eq!(
2588                editor.text(cx),
2589                format!(
2590                    "Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2591                    symbol.to_uri()
2592                )
2593            );
2594        });
2595
2596        // Now getting the contents succeeds, because the invalid mention was removed
2597        let contents = message_editor
2598            .update(&mut cx, |message_editor, cx| {
2599                message_editor.mention_set().contents(
2600                    &all_prompt_capabilities,
2601                    false,
2602                    project.clone(),
2603                    cx,
2604                )
2605            })
2606            .await
2607            .unwrap();
2608        assert_eq!(contents.len(), 3);
2609    }
2610
2611    fn fold_ranges(editor: &Editor, cx: &mut App) -> Vec<Range<Point>> {
2612        let snapshot = editor.buffer().read(cx).snapshot(cx);
2613        editor.display_map.update(cx, |display_map, cx| {
2614            display_map
2615                .snapshot(cx)
2616                .folds_in_range(0..snapshot.len())
2617                .map(|fold| fold.range.to_point(&snapshot))
2618                .collect()
2619        })
2620    }
2621
2622    fn current_completion_labels(editor: &Editor) -> Vec<String> {
2623        let completions = editor.current_completions().expect("Missing completions");
2624        completions
2625            .into_iter()
2626            .map(|completion| completion.label.text)
2627            .collect::<Vec<_>>()
2628    }
2629
2630    fn current_completion_labels_with_documentation(editor: &Editor) -> Vec<(String, String)> {
2631        let completions = editor.current_completions().expect("Missing completions");
2632        completions
2633            .into_iter()
2634            .map(|completion| {
2635                (
2636                    completion.label.text,
2637                    completion
2638                        .documentation
2639                        .map(|d| d.text().to_string())
2640                        .unwrap_or_default(),
2641                )
2642            })
2643            .collect::<Vec<_>>()
2644    }
2645
2646    #[gpui::test]
2647    async fn test_large_file_mention_uses_outline(cx: &mut TestAppContext) {
2648        init_test(cx);
2649
2650        let fs = FakeFs::new(cx.executor());
2651
2652        // Create a large file that exceeds AUTO_OUTLINE_SIZE
2653        const LINE: &str = "fn example_function() { /* some code */ }\n";
2654        let large_content = LINE.repeat(2 * (outline::AUTO_OUTLINE_SIZE / LINE.len()));
2655        assert!(large_content.len() > outline::AUTO_OUTLINE_SIZE);
2656
2657        // Create a small file that doesn't exceed AUTO_OUTLINE_SIZE
2658        let small_content = "fn small_function() { /* small */ }\n";
2659        assert!(small_content.len() < outline::AUTO_OUTLINE_SIZE);
2660
2661        fs.insert_tree(
2662            "/project",
2663            json!({
2664                "large_file.rs": large_content.clone(),
2665                "small_file.rs": small_content,
2666            }),
2667        )
2668        .await;
2669
2670        let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
2671
2672        let (workspace, cx) =
2673            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
2674
2675        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
2676        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
2677
2678        let message_editor = cx.update(|window, cx| {
2679            cx.new(|cx| {
2680                let editor = MessageEditor::new(
2681                    workspace.downgrade(),
2682                    project.clone(),
2683                    history_store.clone(),
2684                    None,
2685                    Default::default(),
2686                    Default::default(),
2687                    "Test Agent".into(),
2688                    "Test",
2689                    EditorMode::AutoHeight {
2690                        min_lines: 1,
2691                        max_lines: None,
2692                    },
2693                    window,
2694                    cx,
2695                );
2696                // Enable embedded context so files are actually included
2697                editor.prompt_capabilities.replace(acp::PromptCapabilities {
2698                    embedded_context: true,
2699                    meta: None,
2700                    ..Default::default()
2701                });
2702                editor
2703            })
2704        });
2705
2706        // Test large file mention
2707        // Get the absolute path using the project's worktree
2708        let large_file_abs_path = project.read_with(cx, |project, cx| {
2709            let worktree = project.worktrees(cx).next().unwrap();
2710            let worktree_root = worktree.read(cx).abs_path();
2711            worktree_root.join("large_file.rs")
2712        });
2713        let large_file_task = message_editor.update(cx, |editor, cx| {
2714            editor.confirm_mention_for_file(large_file_abs_path, cx)
2715        });
2716
2717        let large_file_mention = large_file_task.await.unwrap();
2718        match large_file_mention {
2719            Mention::Text { content, .. } => {
2720                // Should contain outline header for large files
2721                assert!(content.contains("File outline for"));
2722                assert!(content.contains("file too large to show full content"));
2723                // Should not contain the full repeated content
2724                assert!(!content.contains(&LINE.repeat(100)));
2725            }
2726            _ => panic!("Expected Text mention for large file"),
2727        }
2728
2729        // Test small file mention
2730        // Get the absolute path using the project's worktree
2731        let small_file_abs_path = project.read_with(cx, |project, cx| {
2732            let worktree = project.worktrees(cx).next().unwrap();
2733            let worktree_root = worktree.read(cx).abs_path();
2734            worktree_root.join("small_file.rs")
2735        });
2736        let small_file_task = message_editor.update(cx, |editor, cx| {
2737            editor.confirm_mention_for_file(small_file_abs_path, cx)
2738        });
2739
2740        let small_file_mention = small_file_task.await.unwrap();
2741        match small_file_mention {
2742            Mention::Text { content, .. } => {
2743                // Should contain the actual content
2744                assert_eq!(content, small_content);
2745                // Should not contain outline header
2746                assert!(!content.contains("File outline for"));
2747            }
2748            _ => panic!("Expected Text mention for small file"),
2749        }
2750    }
2751}