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 collections::{HashMap, HashSet};
  12use editor::{
  13    Addon, Anchor, AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement,
  14    EditorEvent, EditorMode, EditorSnapshot, EditorStyle, ExcerptId, FoldPlaceholder, InlayId,
  15    MultiBuffer, ToOffset,
  16    actions::Paste,
  17    display_map::{Crease, CreaseId, FoldId, Inlay},
  18};
  19use futures::{
  20    FutureExt as _,
  21    future::{Shared, join_all},
  22};
  23use gpui::{
  24    Animation, AnimationExt as _, AppContext, ClipboardEntry, Context, Entity, EntityId,
  25    EventEmitter, FocusHandle, Focusable, Image, ImageFormat, Img, KeyContext, Subscription, Task,
  26    TextStyle, WeakEntity, pulsating_between,
  27};
  28use language::{Buffer, Language, language_settings::InlayHintKind};
  29use language_model::LanguageModelImage;
  30use postage::stream::Stream as _;
  31use project::{
  32    CompletionIntent, InlayHint, InlayHintLabel, Project, ProjectItem, ProjectPath, Worktree,
  33};
  34use prompt_store::{PromptId, PromptStore};
  35use rope::Point;
  36use settings::Settings;
  37use std::{
  38    cell::{Cell, RefCell},
  39    ffi::OsStr,
  40    fmt::Write,
  41    ops::{Range, RangeInclusive},
  42    path::{Path, PathBuf},
  43    rc::Rc,
  44    sync::Arc,
  45    time::Duration,
  46};
  47use text::OffsetRangeExt;
  48use theme::ThemeSettings;
  49use ui::{
  50    ActiveTheme, AnyElement, App, ButtonCommon, ButtonLike, ButtonStyle, Color, Element as _,
  51    FluentBuilder as _, Icon, IconName, IconSize, InteractiveElement, IntoElement, Label,
  52    LabelCommon, LabelSize, ParentElement, Render, SelectableButton, SharedString, Styled,
  53    TextSize, TintColor, Toggleable, Window, div, h_flex,
  54};
  55use util::{ResultExt, debug_panic};
  56use workspace::{Workspace, notifications::NotifyResultExt as _};
  57use zed_actions::agent::Chat;
  58
  59pub struct MessageEditor {
  60    mention_set: MentionSet,
  61    editor: Entity<Editor>,
  62    project: Entity<Project>,
  63    workspace: WeakEntity<Workspace>,
  64    history_store: Entity<HistoryStore>,
  65    prompt_store: Option<Entity<PromptStore>>,
  66    prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
  67    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
  68    _subscriptions: Vec<Subscription>,
  69    _parse_slash_command_task: Task<()>,
  70}
  71
  72#[derive(Clone, Copy, Debug)]
  73pub enum MessageEditorEvent {
  74    Send,
  75    Cancel,
  76    Focus,
  77    LostFocus,
  78}
  79
  80impl EventEmitter<MessageEditorEvent> for MessageEditor {}
  81
  82const COMMAND_HINT_INLAY_ID: usize = 0;
  83
  84impl MessageEditor {
  85    pub fn new(
  86        workspace: WeakEntity<Workspace>,
  87        project: Entity<Project>,
  88        history_store: Entity<HistoryStore>,
  89        prompt_store: Option<Entity<PromptStore>>,
  90        prompt_capabilities: Rc<Cell<acp::PromptCapabilities>>,
  91        available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
  92        placeholder: impl Into<Arc<str>>,
  93        mode: EditorMode,
  94        window: &mut Window,
  95        cx: &mut Context<Self>,
  96    ) -> Self {
  97        let language = Language::new(
  98            language::LanguageConfig {
  99                completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
 100                ..Default::default()
 101            },
 102            None,
 103        );
 104        let completion_provider = Rc::new(ContextPickerCompletionProvider::new(
 105            cx.weak_entity(),
 106            workspace.clone(),
 107            history_store.clone(),
 108            prompt_store.clone(),
 109            prompt_capabilities.clone(),
 110            available_commands.clone(),
 111        ));
 112        let mention_set = MentionSet::default();
 113        let editor = cx.new(|cx| {
 114            let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
 115            let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
 116
 117            let mut editor = Editor::new(mode, buffer, None, window, cx);
 118            editor.set_placeholder_text(placeholder, cx);
 119            editor.set_show_indent_guides(false, cx);
 120            editor.set_soft_wrap();
 121            editor.set_use_modal_editing(true);
 122            editor.set_completion_provider(Some(completion_provider.clone()));
 123            editor.set_context_menu_options(ContextMenuOptions {
 124                min_entries_visible: 12,
 125                max_entries_visible: 12,
 126                placement: Some(ContextMenuPlacement::Above),
 127            });
 128            editor.register_addon(MessageEditorAddon::new());
 129            editor
 130        });
 131
 132        cx.on_focus_in(&editor.focus_handle(cx), window, |_, _, cx| {
 133            cx.emit(MessageEditorEvent::Focus)
 134        })
 135        .detach();
 136        cx.on_focus_out(&editor.focus_handle(cx), window, |_, _, _, cx| {
 137            cx.emit(MessageEditorEvent::LostFocus)
 138        })
 139        .detach();
 140
 141        let mut has_hint = false;
 142        let mut subscriptions = Vec::new();
 143
 144        subscriptions.push(cx.subscribe_in(&editor, window, {
 145            move |this, editor, event, window, cx| {
 146                if let EditorEvent::Edited { .. } = event {
 147                    let snapshot = editor.update(cx, |editor, cx| {
 148                        let new_hints = this
 149                            .command_hint(editor.buffer(), cx)
 150                            .into_iter()
 151                            .collect::<Vec<_>>();
 152                        let has_new_hint = !new_hints.is_empty();
 153                        editor.splice_inlays(
 154                            if has_hint {
 155                                &[InlayId::Hint(COMMAND_HINT_INLAY_ID)]
 156                            } else {
 157                                &[]
 158                            },
 159                            new_hints,
 160                            cx,
 161                        );
 162                        has_hint = has_new_hint;
 163
 164                        editor.snapshot(window, cx)
 165                    });
 166                    this.mention_set.remove_invalid(snapshot);
 167
 168                    cx.notify();
 169                }
 170            }
 171        }));
 172
 173        Self {
 174            editor,
 175            project,
 176            mention_set,
 177            workspace,
 178            history_store,
 179            prompt_store,
 180            prompt_capabilities,
 181            available_commands,
 182            _subscriptions: subscriptions,
 183            _parse_slash_command_task: Task::ready(()),
 184        }
 185    }
 186
 187    fn command_hint(&self, buffer: &Entity<MultiBuffer>, cx: &App) -> Option<Inlay> {
 188        let available_commands = self.available_commands.borrow();
 189        if available_commands.is_empty() {
 190            return None;
 191        }
 192
 193        let snapshot = buffer.read(cx).snapshot(cx);
 194        let parsed_command = SlashCommandCompletion::try_parse(&snapshot.text(), 0)?;
 195        if parsed_command.argument.is_some() {
 196            return None;
 197        }
 198
 199        let command_name = parsed_command.command?;
 200        let available_command = available_commands
 201            .iter()
 202            .find(|command| command.name == command_name)?;
 203
 204        let acp::AvailableCommandInput::Unstructured { mut hint } =
 205            available_command.input.clone()?;
 206
 207        let mut hint_pos = parsed_command.source_range.end + 1;
 208        if hint_pos > snapshot.len() {
 209            hint_pos = snapshot.len();
 210            hint.insert(0, ' ');
 211        }
 212
 213        let hint_pos = snapshot.anchor_after(hint_pos);
 214
 215        Some(Inlay::hint(
 216            COMMAND_HINT_INLAY_ID,
 217            hint_pos,
 218            &InlayHint {
 219                position: hint_pos.text_anchor,
 220                label: InlayHintLabel::String(hint),
 221                kind: Some(InlayHintKind::Parameter),
 222                padding_left: false,
 223                padding_right: false,
 224                tooltip: None,
 225                resolve_state: project::ResolveState::Resolved,
 226            },
 227        ))
 228    }
 229
 230    pub fn insert_thread_summary(
 231        &mut self,
 232        thread: agent2::DbThreadMetadata,
 233        window: &mut Window,
 234        cx: &mut Context<Self>,
 235    ) {
 236        let start = self.editor.update(cx, |editor, cx| {
 237            editor.set_text(format!("{}\n", thread.title), window, cx);
 238            editor
 239                .buffer()
 240                .read(cx)
 241                .snapshot(cx)
 242                .anchor_before(Point::zero())
 243                .text_anchor
 244        });
 245
 246        self.confirm_mention_completion(
 247            thread.title.clone(),
 248            start,
 249            thread.title.len(),
 250            MentionUri::Thread {
 251                id: thread.id.clone(),
 252                name: thread.title.to_string(),
 253            },
 254            window,
 255            cx,
 256        )
 257        .detach();
 258    }
 259
 260    #[cfg(test)]
 261    pub(crate) fn editor(&self) -> &Entity<Editor> {
 262        &self.editor
 263    }
 264
 265    #[cfg(test)]
 266    pub(crate) fn mention_set(&mut self) -> &mut MentionSet {
 267        &mut self.mention_set
 268    }
 269
 270    pub fn is_empty(&self, cx: &App) -> bool {
 271        self.editor.read(cx).is_empty(cx)
 272    }
 273
 274    pub fn mentions(&self) -> HashSet<MentionUri> {
 275        self.mention_set
 276            .mentions
 277            .values()
 278            .map(|(uri, _)| uri.clone())
 279            .collect()
 280    }
 281
 282    pub fn confirm_mention_completion(
 283        &mut self,
 284        crease_text: SharedString,
 285        start: text::Anchor,
 286        content_len: usize,
 287        mention_uri: MentionUri,
 288        window: &mut Window,
 289        cx: &mut Context<Self>,
 290    ) -> Task<()> {
 291        let snapshot = self
 292            .editor
 293            .update(cx, |editor, cx| editor.snapshot(window, cx));
 294        let Some((excerpt_id, _, _)) = snapshot.buffer_snapshot.as_singleton() else {
 295            return Task::ready(());
 296        };
 297        let Some(start_anchor) = snapshot
 298            .buffer_snapshot
 299            .anchor_in_excerpt(*excerpt_id, start)
 300        else {
 301            return Task::ready(());
 302        };
 303        let end_anchor = snapshot
 304            .buffer_snapshot
 305            .anchor_before(start_anchor.to_offset(&snapshot.buffer_snapshot) + content_len + 1);
 306
 307        let crease = if let MentionUri::File { abs_path } = &mention_uri
 308            && let Some(extension) = abs_path.extension()
 309            && let Some(extension) = extension.to_str()
 310            && Img::extensions().contains(&extension)
 311            && !extension.contains("svg")
 312        {
 313            let Some(project_path) = self
 314                .project
 315                .read(cx)
 316                .project_path_for_absolute_path(&abs_path, cx)
 317            else {
 318                log::error!("project path not found");
 319                return Task::ready(());
 320            };
 321            let image = self
 322                .project
 323                .update(cx, |project, cx| project.open_image(project_path, cx));
 324            let image = cx
 325                .spawn(async move |_, cx| {
 326                    let image = image.await.map_err(|e| e.to_string())?;
 327                    let image = image
 328                        .update(cx, |image, _| image.image.clone())
 329                        .map_err(|e| e.to_string())?;
 330                    Ok(image)
 331                })
 332                .shared();
 333            insert_crease_for_mention(
 334                *excerpt_id,
 335                start,
 336                content_len,
 337                mention_uri.name().into(),
 338                IconName::Image.path().into(),
 339                Some(image),
 340                self.editor.clone(),
 341                window,
 342                cx,
 343            )
 344        } else {
 345            insert_crease_for_mention(
 346                *excerpt_id,
 347                start,
 348                content_len,
 349                crease_text,
 350                mention_uri.icon_path(cx),
 351                None,
 352                self.editor.clone(),
 353                window,
 354                cx,
 355            )
 356        };
 357        let Some((crease_id, tx)) = crease else {
 358            return Task::ready(());
 359        };
 360
 361        let task = match mention_uri.clone() {
 362            MentionUri::Fetch { url } => self.confirm_mention_for_fetch(url, cx),
 363            MentionUri::Directory { abs_path } => self.confirm_mention_for_directory(abs_path, cx),
 364            MentionUri::Thread { id, .. } => self.confirm_mention_for_thread(id, cx),
 365            MentionUri::TextThread { path, .. } => self.confirm_mention_for_text_thread(path, cx),
 366            MentionUri::File { abs_path } => self.confirm_mention_for_file(abs_path, cx),
 367            MentionUri::Symbol {
 368                abs_path,
 369                line_range,
 370                ..
 371            } => self.confirm_mention_for_symbol(abs_path, line_range, cx),
 372            MentionUri::Rule { id, .. } => self.confirm_mention_for_rule(id, cx),
 373            MentionUri::PastedImage => {
 374                debug_panic!("pasted image URI should not be included in completions");
 375                Task::ready(Err(anyhow!(
 376                    "pasted imaged URI should not be included in completions"
 377                )))
 378            }
 379            MentionUri::Selection { .. } => {
 380                // Handled elsewhere
 381                debug_panic!("unexpected selection URI");
 382                Task::ready(Err(anyhow!("unexpected selection URI")))
 383            }
 384        };
 385        let task = cx
 386            .spawn(async move |_, _| task.await.map_err(|e| e.to_string()))
 387            .shared();
 388        self.mention_set
 389            .mentions
 390            .insert(crease_id, (mention_uri, task.clone()));
 391
 392        // Notify the user if we failed to load the mentioned context
 393        cx.spawn_in(window, async move |this, cx| {
 394            let result = task.await.notify_async_err(cx);
 395            drop(tx);
 396            if result.is_none() {
 397                this.update(cx, |this, cx| {
 398                    this.editor.update(cx, |editor, cx| {
 399                        // Remove mention
 400                        editor.edit([(start_anchor..end_anchor, "")], cx);
 401                    });
 402                    this.mention_set.mentions.remove(&crease_id);
 403                })
 404                .ok();
 405            }
 406        })
 407    }
 408
 409    fn confirm_mention_for_file(
 410        &mut self,
 411        abs_path: PathBuf,
 412        cx: &mut Context<Self>,
 413    ) -> Task<Result<Mention>> {
 414        let Some(project_path) = self
 415            .project
 416            .read(cx)
 417            .project_path_for_absolute_path(&abs_path, cx)
 418        else {
 419            return Task::ready(Err(anyhow!("project path not found")));
 420        };
 421        let extension = abs_path
 422            .extension()
 423            .and_then(OsStr::to_str)
 424            .unwrap_or_default();
 425
 426        if Img::extensions().contains(&extension) && !extension.contains("svg") {
 427            if !self.prompt_capabilities.get().image {
 428                return Task::ready(Err(anyhow!("This model does not support images yet")));
 429            }
 430            let task = self
 431                .project
 432                .update(cx, |project, cx| project.open_image(project_path, cx));
 433            return cx.spawn(async move |_, cx| {
 434                let image = task.await?;
 435                let image = image.update(cx, |image, _| image.image.clone())?;
 436                let format = image.format;
 437                let image = cx
 438                    .update(|cx| LanguageModelImage::from_image(image, cx))?
 439                    .await;
 440                if let Some(image) = image {
 441                    Ok(Mention::Image(MentionImage {
 442                        data: image.source,
 443                        format,
 444                    }))
 445                } else {
 446                    Err(anyhow!("Failed to convert image"))
 447                }
 448            });
 449        }
 450
 451        let buffer = self
 452            .project
 453            .update(cx, |project, cx| project.open_buffer(project_path, cx));
 454        cx.spawn(async move |_, cx| {
 455            let buffer = buffer.await?;
 456            let mention = buffer.update(cx, |buffer, cx| Mention::Text {
 457                content: buffer.text(),
 458                tracked_buffers: vec![cx.entity()],
 459            })?;
 460            anyhow::Ok(mention)
 461        })
 462    }
 463
 464    fn confirm_mention_for_directory(
 465        &mut self,
 466        abs_path: PathBuf,
 467        cx: &mut Context<Self>,
 468    ) -> Task<Result<Mention>> {
 469        fn collect_files_in_path(worktree: &Worktree, path: &Path) -> Vec<(Arc<Path>, PathBuf)> {
 470            let mut files = Vec::new();
 471
 472            for entry in worktree.child_entries(path) {
 473                if entry.is_dir() {
 474                    files.extend(collect_files_in_path(worktree, &entry.path));
 475                } else if entry.is_file() {
 476                    files.push((entry.path.clone(), worktree.full_path(&entry.path)));
 477                }
 478            }
 479
 480            files
 481        }
 482
 483        let Some(project_path) = self
 484            .project
 485            .read(cx)
 486            .project_path_for_absolute_path(&abs_path, cx)
 487        else {
 488            return Task::ready(Err(anyhow!("project path not found")));
 489        };
 490        let Some(entry) = self.project.read(cx).entry_for_path(&project_path, cx) else {
 491            return Task::ready(Err(anyhow!("project entry not found")));
 492        };
 493        let Some(worktree) = self.project.read(cx).worktree_for_entry(entry.id, cx) else {
 494            return Task::ready(Err(anyhow!("worktree not found")));
 495        };
 496        let project = self.project.clone();
 497        cx.spawn(async move |_, cx| {
 498            let directory_path = entry.path.clone();
 499
 500            let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id())?;
 501            let file_paths = worktree.read_with(cx, |worktree, _cx| {
 502                collect_files_in_path(worktree, &directory_path)
 503            })?;
 504            let descendants_future = cx.update(|cx| {
 505                join_all(file_paths.into_iter().map(|(worktree_path, full_path)| {
 506                    let rel_path = worktree_path
 507                        .strip_prefix(&directory_path)
 508                        .log_err()
 509                        .map_or_else(|| worktree_path.clone(), |rel_path| rel_path.into());
 510
 511                    let open_task = project.update(cx, |project, cx| {
 512                        project.buffer_store().update(cx, |buffer_store, cx| {
 513                            let project_path = ProjectPath {
 514                                worktree_id,
 515                                path: worktree_path,
 516                            };
 517                            buffer_store.open_buffer(project_path, cx)
 518                        })
 519                    });
 520
 521                    // TODO: report load errors instead of just logging
 522                    let rope_task = cx.spawn(async move |cx| {
 523                        let buffer = open_task.await.log_err()?;
 524                        let rope = buffer
 525                            .read_with(cx, |buffer, _cx| buffer.as_rope().clone())
 526                            .log_err()?;
 527                        Some((rope, buffer))
 528                    });
 529
 530                    cx.background_spawn(async move {
 531                        let (rope, buffer) = rope_task.await?;
 532                        Some((rel_path, full_path, rope.to_string(), buffer))
 533                    })
 534                }))
 535            })?;
 536
 537            let contents = cx
 538                .background_spawn(async move {
 539                    let (contents, tracked_buffers) = descendants_future
 540                        .await
 541                        .into_iter()
 542                        .flatten()
 543                        .map(|(rel_path, full_path, rope, buffer)| {
 544                            ((rel_path, full_path, rope), buffer)
 545                        })
 546                        .unzip();
 547                    Mention::Text {
 548                        content: render_directory_contents(contents),
 549                        tracked_buffers,
 550                    }
 551                })
 552                .await;
 553            anyhow::Ok(contents)
 554        })
 555    }
 556
 557    fn confirm_mention_for_fetch(
 558        &mut self,
 559        url: url::Url,
 560        cx: &mut Context<Self>,
 561    ) -> Task<Result<Mention>> {
 562        let http_client = match self
 563            .workspace
 564            .update(cx, |workspace, _| workspace.client().http_client())
 565        {
 566            Ok(http_client) => http_client,
 567            Err(e) => return Task::ready(Err(e)),
 568        };
 569        cx.background_executor().spawn(async move {
 570            let content = fetch_url_content(http_client, url.to_string()).await?;
 571            Ok(Mention::Text {
 572                content,
 573                tracked_buffers: Vec::new(),
 574            })
 575        })
 576    }
 577
 578    fn confirm_mention_for_symbol(
 579        &mut self,
 580        abs_path: PathBuf,
 581        line_range: RangeInclusive<u32>,
 582        cx: &mut Context<Self>,
 583    ) -> Task<Result<Mention>> {
 584        let Some(project_path) = self
 585            .project
 586            .read(cx)
 587            .project_path_for_absolute_path(&abs_path, cx)
 588        else {
 589            return Task::ready(Err(anyhow!("project path not found")));
 590        };
 591        let buffer = self
 592            .project
 593            .update(cx, |project, cx| project.open_buffer(project_path, cx));
 594        cx.spawn(async move |_, cx| {
 595            let buffer = buffer.await?;
 596            let mention = buffer.update(cx, |buffer, cx| {
 597                let start = Point::new(*line_range.start(), 0).min(buffer.max_point());
 598                let end = Point::new(*line_range.end() + 1, 0).min(buffer.max_point());
 599                let content = buffer.text_for_range(start..end).collect();
 600                Mention::Text {
 601                    content,
 602                    tracked_buffers: vec![cx.entity()],
 603                }
 604            })?;
 605            anyhow::Ok(mention)
 606        })
 607    }
 608
 609    fn confirm_mention_for_rule(
 610        &mut self,
 611        id: PromptId,
 612        cx: &mut Context<Self>,
 613    ) -> Task<Result<Mention>> {
 614        let Some(prompt_store) = self.prompt_store.clone() else {
 615            return Task::ready(Err(anyhow!("missing prompt store")));
 616        };
 617        let prompt = prompt_store.read(cx).load(id, cx);
 618        cx.spawn(async move |_, _| {
 619            let prompt = prompt.await?;
 620            Ok(Mention::Text {
 621                content: prompt,
 622                tracked_buffers: Vec::new(),
 623            })
 624        })
 625    }
 626
 627    pub fn confirm_mention_for_selection(
 628        &mut self,
 629        source_range: Range<text::Anchor>,
 630        selections: Vec<(Entity<Buffer>, Range<text::Anchor>, Range<usize>)>,
 631        window: &mut Window,
 632        cx: &mut Context<Self>,
 633    ) {
 634        let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
 635        let Some((&excerpt_id, _, _)) = snapshot.as_singleton() else {
 636            return;
 637        };
 638        let Some(start) = snapshot.anchor_in_excerpt(excerpt_id, source_range.start) else {
 639            return;
 640        };
 641
 642        let offset = start.to_offset(&snapshot);
 643
 644        for (buffer, selection_range, range_to_fold) in selections {
 645            let range = snapshot.anchor_after(offset + range_to_fold.start)
 646                ..snapshot.anchor_after(offset + range_to_fold.end);
 647
 648            let abs_path = buffer
 649                .read(cx)
 650                .project_path(cx)
 651                .and_then(|project_path| self.project.read(cx).absolute_path(&project_path, cx));
 652            let snapshot = buffer.read(cx).snapshot();
 653
 654            let text = snapshot
 655                .text_for_range(selection_range.clone())
 656                .collect::<String>();
 657            let point_range = selection_range.to_point(&snapshot);
 658            let line_range = point_range.start.row..=point_range.end.row;
 659
 660            let uri = MentionUri::Selection {
 661                abs_path: abs_path.clone(),
 662                line_range: line_range.clone(),
 663            };
 664            let crease = crate::context_picker::crease_for_mention(
 665                selection_name(abs_path.as_deref(), &line_range).into(),
 666                uri.icon_path(cx),
 667                range,
 668                self.editor.downgrade(),
 669            );
 670
 671            let crease_id = self.editor.update(cx, |editor, cx| {
 672                let crease_ids = editor.insert_creases(vec![crease.clone()], cx);
 673                editor.fold_creases(vec![crease], false, window, cx);
 674                crease_ids.first().copied().unwrap()
 675            });
 676
 677            self.mention_set.mentions.insert(
 678                crease_id,
 679                (
 680                    uri,
 681                    Task::ready(Ok(Mention::Text {
 682                        content: text,
 683                        tracked_buffers: vec![buffer],
 684                    }))
 685                    .shared(),
 686                ),
 687            );
 688        }
 689    }
 690
 691    fn confirm_mention_for_thread(
 692        &mut self,
 693        id: acp::SessionId,
 694        cx: &mut Context<Self>,
 695    ) -> Task<Result<Mention>> {
 696        let server = Rc::new(agent2::NativeAgentServer::new(
 697            self.project.read(cx).fs().clone(),
 698            self.history_store.clone(),
 699        ));
 700        let delegate = AgentServerDelegate::new(self.project.clone(), None);
 701        let connection = server.connect(Path::new(""), delegate, cx);
 702        cx.spawn(async move |_, cx| {
 703            let agent = connection.await?;
 704            let agent = agent.downcast::<agent2::NativeAgentConnection>().unwrap();
 705            let summary = agent
 706                .0
 707                .update(cx, |agent, cx| agent.thread_summary(id, cx))?
 708                .await?;
 709            anyhow::Ok(Mention::Text {
 710                content: summary.to_string(),
 711                tracked_buffers: Vec::new(),
 712            })
 713        })
 714    }
 715
 716    fn confirm_mention_for_text_thread(
 717        &mut self,
 718        path: PathBuf,
 719        cx: &mut Context<Self>,
 720    ) -> Task<Result<Mention>> {
 721        let context = self.history_store.update(cx, |text_thread_store, cx| {
 722            text_thread_store.load_text_thread(path.as_path().into(), cx)
 723        });
 724        cx.spawn(async move |_, cx| {
 725            let context = context.await?;
 726            let xml = context.update(cx, |context, cx| context.to_xml(cx))?;
 727            Ok(Mention::Text {
 728                content: xml,
 729                tracked_buffers: Vec::new(),
 730            })
 731        })
 732    }
 733
 734    pub fn contents(
 735        &self,
 736        cx: &mut Context<Self>,
 737    ) -> Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>> {
 738        let contents = self
 739            .mention_set
 740            .contents(&self.prompt_capabilities.get(), cx);
 741        let editor = self.editor.clone();
 742
 743        cx.spawn(async move |_, cx| {
 744            let contents = contents.await?;
 745            let mut all_tracked_buffers = Vec::new();
 746
 747            editor.update(cx, |editor, cx| {
 748                let mut ix = 0;
 749                let mut chunks: Vec<acp::ContentBlock> = Vec::new();
 750                let text = editor.text(cx);
 751                editor.display_map.update(cx, |map, cx| {
 752                    let snapshot = map.snapshot(cx);
 753                    for (crease_id, crease) in snapshot.crease_snapshot.creases() {
 754                        let Some((uri, mention)) = contents.get(&crease_id) else {
 755                            continue;
 756                        };
 757
 758                        let crease_range = crease.range().to_offset(&snapshot.buffer_snapshot);
 759                        if crease_range.start > ix {
 760                            //todo(): Custom slash command ContentBlock?
 761                            // let chunk = if prevent_slash_commands
 762                            //     && ix == 0
 763                            //     && parse_slash_command(&text[ix..]).is_some()
 764                            // {
 765                            //     format!(" {}", &text[ix..crease_range.start]).into()
 766                            // } else {
 767                            //     text[ix..crease_range.start].into()
 768                            // };
 769                            let chunk = text[ix..crease_range.start].into();
 770                            chunks.push(chunk);
 771                        }
 772                        let chunk = match mention {
 773                            Mention::Text {
 774                                content,
 775                                tracked_buffers,
 776                            } => {
 777                                all_tracked_buffers.extend(tracked_buffers.iter().cloned());
 778                                acp::ContentBlock::Resource(acp::EmbeddedResource {
 779                                    annotations: None,
 780                                    resource: acp::EmbeddedResourceResource::TextResourceContents(
 781                                        acp::TextResourceContents {
 782                                            mime_type: None,
 783                                            text: content.clone(),
 784                                            uri: uri.to_uri().to_string(),
 785                                        },
 786                                    ),
 787                                })
 788                            }
 789                            Mention::Image(mention_image) => {
 790                                let uri = match uri {
 791                                    MentionUri::File { .. } => Some(uri.to_uri().to_string()),
 792                                    MentionUri::PastedImage => None,
 793                                    other => {
 794                                        debug_panic!(
 795                                            "unexpected mention uri for image: {:?}",
 796                                            other
 797                                        );
 798                                        None
 799                                    }
 800                                };
 801                                acp::ContentBlock::Image(acp::ImageContent {
 802                                    annotations: None,
 803                                    data: mention_image.data.to_string(),
 804                                    mime_type: mention_image.format.mime_type().into(),
 805                                    uri,
 806                                })
 807                            }
 808                            Mention::UriOnly => {
 809                                acp::ContentBlock::ResourceLink(acp::ResourceLink {
 810                                    name: uri.name(),
 811                                    uri: uri.to_uri().to_string(),
 812                                    annotations: None,
 813                                    description: None,
 814                                    mime_type: None,
 815                                    size: None,
 816                                    title: None,
 817                                })
 818                            }
 819                        };
 820                        chunks.push(chunk);
 821                        ix = crease_range.end;
 822                    }
 823
 824                    if ix < text.len() {
 825                        //todo(): Custom slash command ContentBlock?
 826                        // let last_chunk = if prevent_slash_commands
 827                        //     && ix == 0
 828                        //     && parse_slash_command(&text[ix..]).is_some()
 829                        // {
 830                        //     format!(" {}", text[ix..].trim_end())
 831                        // } else {
 832                        //     text[ix..].trim_end().to_owned()
 833                        // };
 834                        let last_chunk = text[ix..].trim_end().to_owned();
 835                        if !last_chunk.is_empty() {
 836                            chunks.push(last_chunk.into());
 837                        }
 838                    }
 839                });
 840
 841                (chunks, all_tracked_buffers)
 842            })
 843        })
 844    }
 845
 846    pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 847        self.editor.update(cx, |editor, cx| {
 848            editor.clear(window, cx);
 849            editor.remove_creases(
 850                self.mention_set
 851                    .mentions
 852                    .drain()
 853                    .map(|(crease_id, _)| crease_id),
 854                cx,
 855            )
 856        });
 857    }
 858
 859    fn send(&mut self, _: &Chat, _: &mut Window, cx: &mut Context<Self>) {
 860        if self.is_empty(cx) {
 861            return;
 862        }
 863        cx.emit(MessageEditorEvent::Send)
 864    }
 865
 866    fn cancel(&mut self, _: &editor::actions::Cancel, _: &mut Window, cx: &mut Context<Self>) {
 867        cx.emit(MessageEditorEvent::Cancel)
 868    }
 869
 870    fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
 871        if !self.prompt_capabilities.get().image {
 872            return;
 873        }
 874
 875        let images = cx
 876            .read_from_clipboard()
 877            .map(|item| {
 878                item.into_entries()
 879                    .filter_map(|entry| {
 880                        if let ClipboardEntry::Image(image) = entry {
 881                            Some(image)
 882                        } else {
 883                            None
 884                        }
 885                    })
 886                    .collect::<Vec<_>>()
 887            })
 888            .unwrap_or_default();
 889
 890        if images.is_empty() {
 891            return;
 892        }
 893        cx.stop_propagation();
 894
 895        let replacement_text = MentionUri::PastedImage.as_link().to_string();
 896        for image in images {
 897            let (excerpt_id, text_anchor, multibuffer_anchor) =
 898                self.editor.update(cx, |message_editor, cx| {
 899                    let snapshot = message_editor.snapshot(window, cx);
 900                    let (excerpt_id, _, buffer_snapshot) =
 901                        snapshot.buffer_snapshot.as_singleton().unwrap();
 902
 903                    let text_anchor = buffer_snapshot.anchor_before(buffer_snapshot.len());
 904                    let multibuffer_anchor = snapshot
 905                        .buffer_snapshot
 906                        .anchor_in_excerpt(*excerpt_id, text_anchor);
 907                    message_editor.edit(
 908                        [(
 909                            multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
 910                            format!("{replacement_text} "),
 911                        )],
 912                        cx,
 913                    );
 914                    (*excerpt_id, text_anchor, multibuffer_anchor)
 915                });
 916
 917            let content_len = replacement_text.len();
 918            let Some(start_anchor) = multibuffer_anchor else {
 919                continue;
 920            };
 921            let end_anchor = self.editor.update(cx, |editor, cx| {
 922                let snapshot = editor.buffer().read(cx).snapshot(cx);
 923                snapshot.anchor_before(start_anchor.to_offset(&snapshot) + content_len)
 924            });
 925            let image = Arc::new(image);
 926            let Some((crease_id, tx)) = insert_crease_for_mention(
 927                excerpt_id,
 928                text_anchor,
 929                content_len,
 930                MentionUri::PastedImage.name().into(),
 931                IconName::Image.path().into(),
 932                Some(Task::ready(Ok(image.clone())).shared()),
 933                self.editor.clone(),
 934                window,
 935                cx,
 936            ) else {
 937                continue;
 938            };
 939            let task = cx
 940                .spawn_in(window, {
 941                    async move |_, cx| {
 942                        let format = image.format;
 943                        let image = cx
 944                            .update(|_, cx| LanguageModelImage::from_image(image, cx))
 945                            .map_err(|e| e.to_string())?
 946                            .await;
 947                        drop(tx);
 948                        if let Some(image) = image {
 949                            Ok(Mention::Image(MentionImage {
 950                                data: image.source,
 951                                format,
 952                            }))
 953                        } else {
 954                            Err("Failed to convert image".into())
 955                        }
 956                    }
 957                })
 958                .shared();
 959
 960            self.mention_set
 961                .mentions
 962                .insert(crease_id, (MentionUri::PastedImage, task.clone()));
 963
 964            cx.spawn_in(window, async move |this, cx| {
 965                if task.await.notify_async_err(cx).is_none() {
 966                    this.update(cx, |this, cx| {
 967                        this.editor.update(cx, |editor, cx| {
 968                            editor.edit([(start_anchor..end_anchor, "")], cx);
 969                        });
 970                        this.mention_set.mentions.remove(&crease_id);
 971                    })
 972                    .ok();
 973                }
 974            })
 975            .detach();
 976        }
 977    }
 978
 979    pub fn insert_dragged_files(
 980        &mut self,
 981        paths: Vec<project::ProjectPath>,
 982        added_worktrees: Vec<Entity<Worktree>>,
 983        window: &mut Window,
 984        cx: &mut Context<Self>,
 985    ) {
 986        let buffer = self.editor.read(cx).buffer().clone();
 987        let Some(buffer) = buffer.read(cx).as_singleton() else {
 988            return;
 989        };
 990        let mut tasks = Vec::new();
 991        for path in paths {
 992            let Some(entry) = self.project.read(cx).entry_for_path(&path, cx) else {
 993                continue;
 994            };
 995            let Some(abs_path) = self.project.read(cx).absolute_path(&path, cx) else {
 996                continue;
 997            };
 998            let path_prefix = abs_path
 999                .file_name()
1000                .unwrap_or(path.path.as_os_str())
1001                .display()
1002                .to_string();
1003            let (file_name, _) =
1004                crate::context_picker::file_context_picker::extract_file_name_and_directory(
1005                    &path.path,
1006                    &path_prefix,
1007                );
1008
1009            let uri = if entry.is_dir() {
1010                MentionUri::Directory { abs_path }
1011            } else {
1012                MentionUri::File { abs_path }
1013            };
1014
1015            let new_text = format!("{} ", uri.as_link());
1016            let content_len = new_text.len() - 1;
1017
1018            let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
1019
1020            self.editor.update(cx, |message_editor, cx| {
1021                message_editor.edit(
1022                    [(
1023                        multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
1024                        new_text,
1025                    )],
1026                    cx,
1027                );
1028            });
1029            tasks.push(self.confirm_mention_completion(
1030                file_name,
1031                anchor,
1032                content_len,
1033                uri,
1034                window,
1035                cx,
1036            ));
1037        }
1038        cx.spawn(async move |_, _| {
1039            join_all(tasks).await;
1040            drop(added_worktrees);
1041        })
1042        .detach();
1043    }
1044
1045    pub fn insert_selections(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1046        let buffer = self.editor.read(cx).buffer().clone();
1047        let Some(buffer) = buffer.read(cx).as_singleton() else {
1048            return;
1049        };
1050        let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
1051        let Some(workspace) = self.workspace.upgrade() else {
1052            return;
1053        };
1054        let Some(completion) = ContextPickerCompletionProvider::completion_for_action(
1055            ContextPickerAction::AddSelections,
1056            anchor..anchor,
1057            cx.weak_entity(),
1058            &workspace,
1059            cx,
1060        ) else {
1061            return;
1062        };
1063        self.editor.update(cx, |message_editor, cx| {
1064            message_editor.edit(
1065                [(
1066                    multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
1067                    completion.new_text,
1068                )],
1069                cx,
1070            );
1071        });
1072        if let Some(confirm) = completion.confirm {
1073            confirm(CompletionIntent::Complete, window, cx);
1074        }
1075    }
1076
1077    pub fn set_read_only(&mut self, read_only: bool, cx: &mut Context<Self>) {
1078        self.editor.update(cx, |message_editor, cx| {
1079            message_editor.set_read_only(read_only);
1080            cx.notify()
1081        })
1082    }
1083
1084    pub fn set_mode(&mut self, mode: EditorMode, cx: &mut Context<Self>) {
1085        self.editor.update(cx, |editor, cx| {
1086            editor.set_mode(mode);
1087            cx.notify()
1088        });
1089    }
1090
1091    pub fn set_message(
1092        &mut self,
1093        message: Vec<acp::ContentBlock>,
1094        window: &mut Window,
1095        cx: &mut Context<Self>,
1096    ) {
1097        self.clear(window, cx);
1098
1099        let mut text = String::new();
1100        let mut mentions = Vec::new();
1101
1102        for chunk in message {
1103            match chunk {
1104                acp::ContentBlock::Text(text_content) => {
1105                    text.push_str(&text_content.text);
1106                }
1107                acp::ContentBlock::Resource(acp::EmbeddedResource {
1108                    resource: acp::EmbeddedResourceResource::TextResourceContents(resource),
1109                    ..
1110                }) => {
1111                    let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() else {
1112                        continue;
1113                    };
1114                    let start = text.len();
1115                    write!(&mut text, "{}", mention_uri.as_link()).ok();
1116                    let end = text.len();
1117                    mentions.push((
1118                        start..end,
1119                        mention_uri,
1120                        Mention::Text {
1121                            content: resource.text,
1122                            tracked_buffers: Vec::new(),
1123                        },
1124                    ));
1125                }
1126                acp::ContentBlock::ResourceLink(resource) => {
1127                    if let Some(mention_uri) = MentionUri::parse(&resource.uri).log_err() {
1128                        let start = text.len();
1129                        write!(&mut text, "{}", mention_uri.as_link()).ok();
1130                        let end = text.len();
1131                        mentions.push((start..end, mention_uri, Mention::UriOnly));
1132                    }
1133                }
1134                acp::ContentBlock::Image(acp::ImageContent {
1135                    uri,
1136                    data,
1137                    mime_type,
1138                    annotations: _,
1139                }) => {
1140                    let mention_uri = if let Some(uri) = uri {
1141                        MentionUri::parse(&uri)
1142                    } else {
1143                        Ok(MentionUri::PastedImage)
1144                    };
1145                    let Some(mention_uri) = mention_uri.log_err() else {
1146                        continue;
1147                    };
1148                    let Some(format) = ImageFormat::from_mime_type(&mime_type) else {
1149                        log::error!("failed to parse MIME type for image: {mime_type:?}");
1150                        continue;
1151                    };
1152                    let start = text.len();
1153                    write!(&mut text, "{}", mention_uri.as_link()).ok();
1154                    let end = text.len();
1155                    mentions.push((
1156                        start..end,
1157                        mention_uri,
1158                        Mention::Image(MentionImage {
1159                            data: data.into(),
1160                            format,
1161                        }),
1162                    ));
1163                }
1164                acp::ContentBlock::Audio(_) | acp::ContentBlock::Resource(_) => {}
1165            }
1166        }
1167
1168        let snapshot = self.editor.update(cx, |editor, cx| {
1169            editor.set_text(text, window, cx);
1170            editor.buffer().read(cx).snapshot(cx)
1171        });
1172
1173        for (range, mention_uri, mention) in mentions {
1174            let anchor = snapshot.anchor_before(range.start);
1175            let Some((crease_id, tx)) = insert_crease_for_mention(
1176                anchor.excerpt_id,
1177                anchor.text_anchor,
1178                range.end - range.start,
1179                mention_uri.name().into(),
1180                mention_uri.icon_path(cx),
1181                None,
1182                self.editor.clone(),
1183                window,
1184                cx,
1185            ) else {
1186                continue;
1187            };
1188            drop(tx);
1189
1190            self.mention_set.mentions.insert(
1191                crease_id,
1192                (mention_uri.clone(), Task::ready(Ok(mention)).shared()),
1193            );
1194        }
1195        cx.notify();
1196    }
1197
1198    pub fn text(&self, cx: &App) -> String {
1199        self.editor.read(cx).text(cx)
1200    }
1201
1202    #[cfg(test)]
1203    pub fn set_text(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
1204        self.editor.update(cx, |editor, cx| {
1205            editor.set_text(text, window, cx);
1206        });
1207    }
1208}
1209
1210fn render_directory_contents(entries: Vec<(Arc<Path>, PathBuf, String)>) -> String {
1211    let mut output = String::new();
1212    for (_relative_path, full_path, content) in entries {
1213        let fence = codeblock_fence_for_path(Some(&full_path), None);
1214        write!(output, "\n{fence}\n{content}\n```").unwrap();
1215    }
1216    output
1217}
1218
1219impl Focusable for MessageEditor {
1220    fn focus_handle(&self, cx: &App) -> FocusHandle {
1221        self.editor.focus_handle(cx)
1222    }
1223}
1224
1225impl Render for MessageEditor {
1226    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1227        div()
1228            .key_context("MessageEditor")
1229            .on_action(cx.listener(Self::send))
1230            .on_action(cx.listener(Self::cancel))
1231            .capture_action(cx.listener(Self::paste))
1232            .flex_1()
1233            .child({
1234                let settings = ThemeSettings::get_global(cx);
1235                let font_size = TextSize::Small
1236                    .rems(cx)
1237                    .to_pixels(settings.agent_font_size(cx));
1238                let line_height = settings.buffer_line_height.value() * font_size;
1239
1240                let text_style = TextStyle {
1241                    color: cx.theme().colors().text,
1242                    font_family: settings.buffer_font.family.clone(),
1243                    font_fallbacks: settings.buffer_font.fallbacks.clone(),
1244                    font_features: settings.buffer_font.features.clone(),
1245                    font_size: font_size.into(),
1246                    line_height: line_height.into(),
1247                    ..Default::default()
1248                };
1249
1250                EditorElement::new(
1251                    &self.editor,
1252                    EditorStyle {
1253                        background: cx.theme().colors().editor_background,
1254                        local_player: cx.theme().players().local(),
1255                        text: text_style,
1256                        syntax: cx.theme().syntax().clone(),
1257                        inlay_hints_style: editor::make_inlay_hints_style(cx),
1258                        ..Default::default()
1259                    },
1260                )
1261            })
1262    }
1263}
1264
1265pub(crate) fn insert_crease_for_mention(
1266    excerpt_id: ExcerptId,
1267    anchor: text::Anchor,
1268    content_len: usize,
1269    crease_label: SharedString,
1270    crease_icon: SharedString,
1271    // abs_path: Option<Arc<Path>>,
1272    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1273    editor: Entity<Editor>,
1274    window: &mut Window,
1275    cx: &mut App,
1276) -> Option<(CreaseId, postage::barrier::Sender)> {
1277    let (tx, rx) = postage::barrier::channel();
1278
1279    let crease_id = editor.update(cx, |editor, cx| {
1280        let snapshot = editor.buffer().read(cx).snapshot(cx);
1281
1282        let start = snapshot.anchor_in_excerpt(excerpt_id, anchor)?;
1283
1284        let start = start.bias_right(&snapshot);
1285        let end = snapshot.anchor_before(start.to_offset(&snapshot) + content_len);
1286
1287        let placeholder = FoldPlaceholder {
1288            render: render_mention_fold_button(
1289                crease_label,
1290                crease_icon,
1291                start..end,
1292                rx,
1293                image,
1294                cx.weak_entity(),
1295                cx,
1296            ),
1297            merge_adjacent: false,
1298            ..Default::default()
1299        };
1300
1301        let crease = Crease::Inline {
1302            range: start..end,
1303            placeholder,
1304            render_toggle: None,
1305            render_trailer: None,
1306            metadata: None,
1307        };
1308
1309        let ids = editor.insert_creases(vec![crease.clone()], cx);
1310        editor.fold_creases(vec![crease], false, window, cx);
1311
1312        Some(ids[0])
1313    })?;
1314
1315    Some((crease_id, tx))
1316}
1317
1318fn render_mention_fold_button(
1319    label: SharedString,
1320    icon: SharedString,
1321    range: Range<Anchor>,
1322    mut loading_finished: postage::barrier::Receiver,
1323    image_task: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1324    editor: WeakEntity<Editor>,
1325    cx: &mut App,
1326) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
1327    let loading = cx.new(|cx| {
1328        let loading = cx.spawn(async move |this, cx| {
1329            loading_finished.recv().await;
1330            this.update(cx, |this: &mut LoadingContext, cx| {
1331                this.loading = None;
1332                cx.notify();
1333            })
1334            .ok();
1335        });
1336        LoadingContext {
1337            id: cx.entity_id(),
1338            label,
1339            icon,
1340            range,
1341            editor,
1342            loading: Some(loading),
1343            image: image_task.clone(),
1344        }
1345    });
1346    Arc::new(move |_fold_id, _fold_range, _cx| loading.clone().into_any_element())
1347}
1348
1349struct LoadingContext {
1350    id: EntityId,
1351    label: SharedString,
1352    icon: SharedString,
1353    range: Range<Anchor>,
1354    editor: WeakEntity<Editor>,
1355    loading: Option<Task<()>>,
1356    image: Option<Shared<Task<Result<Arc<Image>, String>>>>,
1357}
1358
1359impl Render for LoadingContext {
1360    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1361        let is_in_text_selection = self
1362            .editor
1363            .update(cx, |editor, cx| editor.is_range_selected(&self.range, cx))
1364            .unwrap_or_default();
1365        ButtonLike::new(("loading-context", self.id))
1366            .style(ButtonStyle::Filled)
1367            .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1368            .toggle_state(is_in_text_selection)
1369            .when_some(self.image.clone(), |el, image_task| {
1370                el.hoverable_tooltip(move |_, cx| {
1371                    let image = image_task.peek().cloned().transpose().ok().flatten();
1372                    let image_task = image_task.clone();
1373                    cx.new::<ImageHover>(|cx| ImageHover {
1374                        image,
1375                        _task: cx.spawn(async move |this, cx| {
1376                            if let Ok(image) = image_task.clone().await {
1377                                this.update(cx, |this, cx| {
1378                                    if this.image.replace(image).is_none() {
1379                                        cx.notify();
1380                                    }
1381                                })
1382                                .ok();
1383                            }
1384                        }),
1385                    })
1386                    .into()
1387                })
1388            })
1389            .child(
1390                h_flex()
1391                    .gap_1()
1392                    .child(
1393                        Icon::from_path(self.icon.clone())
1394                            .size(IconSize::XSmall)
1395                            .color(Color::Muted),
1396                    )
1397                    .child(
1398                        Label::new(self.label.clone())
1399                            .size(LabelSize::Small)
1400                            .buffer_font(cx)
1401                            .single_line(),
1402                    )
1403                    .map(|el| {
1404                        if self.loading.is_some() {
1405                            el.with_animation(
1406                                "loading-context-crease",
1407                                Animation::new(Duration::from_secs(2))
1408                                    .repeat()
1409                                    .with_easing(pulsating_between(0.4, 0.8)),
1410                                |label, delta| label.opacity(delta),
1411                            )
1412                            .into_any()
1413                        } else {
1414                            el.into_any()
1415                        }
1416                    }),
1417            )
1418    }
1419}
1420
1421struct ImageHover {
1422    image: Option<Arc<Image>>,
1423    _task: Task<()>,
1424}
1425
1426impl Render for ImageHover {
1427    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1428        if let Some(image) = self.image.clone() {
1429            gpui::img(image).max_w_96().max_h_96().into_any_element()
1430        } else {
1431            gpui::Empty.into_any_element()
1432        }
1433    }
1434}
1435
1436#[derive(Debug, Clone, Eq, PartialEq)]
1437pub enum Mention {
1438    Text {
1439        content: String,
1440        tracked_buffers: Vec<Entity<Buffer>>,
1441    },
1442    Image(MentionImage),
1443    UriOnly,
1444}
1445
1446#[derive(Clone, Debug, Eq, PartialEq)]
1447pub struct MentionImage {
1448    pub data: SharedString,
1449    pub format: ImageFormat,
1450}
1451
1452#[derive(Default)]
1453pub struct MentionSet {
1454    mentions: HashMap<CreaseId, (MentionUri, Shared<Task<Result<Mention, String>>>)>,
1455}
1456
1457impl MentionSet {
1458    fn contents(
1459        &self,
1460        prompt_capabilities: &acp::PromptCapabilities,
1461        cx: &mut App,
1462    ) -> Task<Result<HashMap<CreaseId, (MentionUri, Mention)>>> {
1463        if !prompt_capabilities.embedded_context {
1464            let mentions = self
1465                .mentions
1466                .iter()
1467                .map(|(crease_id, (uri, _))| (*crease_id, (uri.clone(), Mention::UriOnly)))
1468                .collect();
1469
1470            return Task::ready(Ok(mentions));
1471        }
1472
1473        let mentions = self.mentions.clone();
1474        cx.spawn(async move |_cx| {
1475            let mut contents = HashMap::default();
1476            for (crease_id, (mention_uri, task)) in mentions {
1477                contents.insert(
1478                    crease_id,
1479                    (mention_uri, task.await.map_err(|e| anyhow!("{e}"))?),
1480                );
1481            }
1482            Ok(contents)
1483        })
1484    }
1485
1486    fn remove_invalid(&mut self, snapshot: EditorSnapshot) {
1487        for (crease_id, crease) in snapshot.crease_snapshot.creases() {
1488            if !crease.range().start.is_valid(&snapshot.buffer_snapshot) {
1489                self.mentions.remove(&crease_id);
1490            }
1491        }
1492    }
1493}
1494
1495pub struct MessageEditorAddon {}
1496
1497impl MessageEditorAddon {
1498    pub fn new() -> Self {
1499        Self {}
1500    }
1501}
1502
1503impl Addon for MessageEditorAddon {
1504    fn to_any(&self) -> &dyn std::any::Any {
1505        self
1506    }
1507
1508    fn to_any_mut(&mut self) -> Option<&mut dyn std::any::Any> {
1509        Some(self)
1510    }
1511
1512    fn extend_key_context(&self, key_context: &mut KeyContext, cx: &App) {
1513        let settings = agent_settings::AgentSettings::get_global(cx);
1514        if settings.use_modifier_to_send {
1515            key_context.add("use_modifier_to_send");
1516        }
1517    }
1518}
1519
1520#[cfg(test)]
1521mod tests {
1522    use std::{
1523        cell::{Cell, RefCell},
1524        ops::Range,
1525        path::Path,
1526        rc::Rc,
1527        sync::Arc,
1528    };
1529
1530    use acp_thread::MentionUri;
1531    use agent_client_protocol as acp;
1532    use agent2::HistoryStore;
1533    use assistant_context::ContextStore;
1534    use editor::{AnchorRangeExt as _, Editor, EditorMode};
1535    use fs::FakeFs;
1536    use futures::StreamExt as _;
1537    use gpui::{
1538        AppContext, Entity, EventEmitter, FocusHandle, Focusable, TestAppContext, VisualTestContext,
1539    };
1540    use lsp::{CompletionContext, CompletionTriggerKind};
1541    use project::{CompletionIntent, Project, ProjectPath};
1542    use serde_json::json;
1543    use text::Point;
1544    use ui::{App, Context, IntoElement, Render, SharedString, Window};
1545    use util::{path, uri};
1546    use workspace::{AppState, Item, Workspace};
1547
1548    use crate::acp::{
1549        message_editor::{Mention, MessageEditor},
1550        thread_view::tests::init_test,
1551    };
1552
1553    #[gpui::test]
1554    async fn test_at_mention_removal(cx: &mut TestAppContext) {
1555        init_test(cx);
1556
1557        let fs = FakeFs::new(cx.executor());
1558        fs.insert_tree("/project", json!({"file": ""})).await;
1559        let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
1560
1561        let (workspace, cx) =
1562            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
1563
1564        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1565        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1566
1567        let message_editor = cx.update(|window, cx| {
1568            cx.new(|cx| {
1569                MessageEditor::new(
1570                    workspace.downgrade(),
1571                    project.clone(),
1572                    history_store.clone(),
1573                    None,
1574                    Default::default(),
1575                    Default::default(),
1576                    "Test",
1577                    EditorMode::AutoHeight {
1578                        min_lines: 1,
1579                        max_lines: None,
1580                    },
1581                    window,
1582                    cx,
1583                )
1584            })
1585        });
1586        let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
1587
1588        cx.run_until_parked();
1589
1590        let excerpt_id = editor.update(cx, |editor, cx| {
1591            editor
1592                .buffer()
1593                .read(cx)
1594                .excerpt_ids()
1595                .into_iter()
1596                .next()
1597                .unwrap()
1598        });
1599        let completions = editor.update_in(cx, |editor, window, cx| {
1600            editor.set_text("Hello @file ", window, cx);
1601            let buffer = editor.buffer().read(cx).as_singleton().unwrap();
1602            let completion_provider = editor.completion_provider().unwrap();
1603            completion_provider.completions(
1604                excerpt_id,
1605                &buffer,
1606                text::Anchor::MAX,
1607                CompletionContext {
1608                    trigger_kind: CompletionTriggerKind::TRIGGER_CHARACTER,
1609                    trigger_character: Some("@".into()),
1610                },
1611                window,
1612                cx,
1613            )
1614        });
1615        let [_, completion]: [_; 2] = completions
1616            .await
1617            .unwrap()
1618            .into_iter()
1619            .flat_map(|response| response.completions)
1620            .collect::<Vec<_>>()
1621            .try_into()
1622            .unwrap();
1623
1624        editor.update_in(cx, |editor, window, cx| {
1625            let snapshot = editor.buffer().read(cx).snapshot(cx);
1626            let start = snapshot
1627                .anchor_in_excerpt(excerpt_id, completion.replace_range.start)
1628                .unwrap();
1629            let end = snapshot
1630                .anchor_in_excerpt(excerpt_id, completion.replace_range.end)
1631                .unwrap();
1632            editor.edit([(start..end, completion.new_text)], cx);
1633            (completion.confirm.unwrap())(CompletionIntent::Complete, window, cx);
1634        });
1635
1636        cx.run_until_parked();
1637
1638        // Backspace over the inserted crease (and the following space).
1639        editor.update_in(cx, |editor, window, cx| {
1640            editor.backspace(&Default::default(), window, cx);
1641            editor.backspace(&Default::default(), window, cx);
1642        });
1643
1644        let (content, _) = message_editor
1645            .update(cx, |message_editor, cx| message_editor.contents(cx))
1646            .await
1647            .unwrap();
1648
1649        // We don't send a resource link for the deleted crease.
1650        pretty_assertions::assert_matches!(content.as_slice(), [acp::ContentBlock::Text { .. }]);
1651    }
1652
1653    struct MessageEditorItem(Entity<MessageEditor>);
1654
1655    impl Item for MessageEditorItem {
1656        type Event = ();
1657
1658        fn include_in_nav_history() -> bool {
1659            false
1660        }
1661
1662        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
1663            "Test".into()
1664        }
1665    }
1666
1667    impl EventEmitter<()> for MessageEditorItem {}
1668
1669    impl Focusable for MessageEditorItem {
1670        fn focus_handle(&self, cx: &App) -> FocusHandle {
1671            self.0.read(cx).focus_handle(cx)
1672        }
1673    }
1674
1675    impl Render for MessageEditorItem {
1676        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1677            self.0.clone().into_any_element()
1678        }
1679    }
1680
1681    #[gpui::test]
1682    async fn test_completion_provider_commands(cx: &mut TestAppContext) {
1683        init_test(cx);
1684
1685        let app_state = cx.update(AppState::test);
1686
1687        cx.update(|cx| {
1688            language::init(cx);
1689            editor::init(cx);
1690            workspace::init(app_state.clone(), cx);
1691            Project::init_settings(cx);
1692        });
1693
1694        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
1695        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
1696        let workspace = window.root(cx).unwrap();
1697
1698        let mut cx = VisualTestContext::from_window(*window, cx);
1699
1700        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1701        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1702        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
1703        let available_commands = Rc::new(RefCell::new(vec![
1704            acp::AvailableCommand {
1705                name: "quick-math".to_string(),
1706                description: "2 + 2 = 4 - 1 = 3".to_string(),
1707                input: None,
1708            },
1709            acp::AvailableCommand {
1710                name: "say-hello".to_string(),
1711                description: "Say hello to whoever you want".to_string(),
1712                input: Some(acp::AvailableCommandInput::Unstructured {
1713                    hint: "<name>".to_string(),
1714                }),
1715            },
1716        ]));
1717
1718        let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
1719            let workspace_handle = cx.weak_entity();
1720            let message_editor = cx.new(|cx| {
1721                MessageEditor::new(
1722                    workspace_handle,
1723                    project.clone(),
1724                    history_store.clone(),
1725                    None,
1726                    prompt_capabilities.clone(),
1727                    available_commands.clone(),
1728                    "Test",
1729                    EditorMode::AutoHeight {
1730                        max_lines: None,
1731                        min_lines: 1,
1732                    },
1733                    window,
1734                    cx,
1735                )
1736            });
1737            workspace.active_pane().update(cx, |pane, cx| {
1738                pane.add_item(
1739                    Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
1740                    true,
1741                    true,
1742                    None,
1743                    window,
1744                    cx,
1745                );
1746            });
1747            message_editor.read(cx).focus_handle(cx).focus(window);
1748            message_editor.read(cx).editor().clone()
1749        });
1750
1751        cx.simulate_input("/");
1752
1753        editor.update_in(&mut cx, |editor, window, cx| {
1754            assert_eq!(editor.text(cx), "/");
1755            assert!(editor.has_visible_completions_menu());
1756
1757            assert_eq!(
1758                current_completion_labels_with_documentation(editor),
1759                &[
1760                    ("quick-math".into(), "2 + 2 = 4 - 1 = 3".into()),
1761                    ("say-hello".into(), "Say hello to whoever you want".into())
1762                ]
1763            );
1764            editor.set_text("", window, cx);
1765        });
1766
1767        cx.simulate_input("/qui");
1768
1769        editor.update_in(&mut cx, |editor, window, cx| {
1770            assert_eq!(editor.text(cx), "/qui");
1771            assert!(editor.has_visible_completions_menu());
1772
1773            assert_eq!(
1774                current_completion_labels_with_documentation(editor),
1775                &[("quick-math".into(), "2 + 2 = 4 - 1 = 3".into())]
1776            );
1777            editor.set_text("", window, cx);
1778        });
1779
1780        editor.update_in(&mut cx, |editor, window, cx| {
1781            assert!(editor.has_visible_completions_menu());
1782            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
1783        });
1784
1785        cx.run_until_parked();
1786
1787        editor.update_in(&mut cx, |editor, window, cx| {
1788            assert_eq!(editor.display_text(cx), "/quick-math ");
1789            assert!(!editor.has_visible_completions_menu());
1790            editor.set_text("", window, cx);
1791        });
1792
1793        cx.simulate_input("/say");
1794
1795        editor.update_in(&mut cx, |editor, _window, cx| {
1796            assert_eq!(editor.display_text(cx), "/say");
1797            assert!(editor.has_visible_completions_menu());
1798
1799            assert_eq!(
1800                current_completion_labels_with_documentation(editor),
1801                &[("say-hello".into(), "Say hello to whoever you want".into())]
1802            );
1803        });
1804
1805        editor.update_in(&mut cx, |editor, window, cx| {
1806            assert!(editor.has_visible_completions_menu());
1807            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
1808        });
1809
1810        cx.run_until_parked();
1811
1812        editor.update_in(&mut cx, |editor, _window, cx| {
1813            assert_eq!(editor.text(cx), "/say-hello ");
1814            assert_eq!(editor.display_text(cx), "/say-hello <name>");
1815            assert!(editor.has_visible_completions_menu());
1816
1817            assert_eq!(
1818                current_completion_labels_with_documentation(editor),
1819                &[("say-hello".into(), "Say hello to whoever you want".into())]
1820            );
1821        });
1822
1823        cx.simulate_input("GPT5");
1824
1825        editor.update_in(&mut cx, |editor, window, cx| {
1826            assert!(editor.has_visible_completions_menu());
1827            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
1828        });
1829
1830        cx.run_until_parked();
1831
1832        editor.update_in(&mut cx, |editor, window, cx| {
1833            assert_eq!(editor.text(cx), "/say-hello GPT5");
1834            assert_eq!(editor.display_text(cx), "/say-hello GPT5");
1835            assert!(!editor.has_visible_completions_menu());
1836
1837            // Delete argument
1838            for _ in 0..4 {
1839                editor.backspace(&editor::actions::Backspace, window, cx);
1840            }
1841        });
1842
1843        cx.run_until_parked();
1844
1845        editor.update_in(&mut cx, |editor, window, cx| {
1846            assert_eq!(editor.text(cx), "/say-hello ");
1847            // Hint is visible because argument was deleted
1848            assert_eq!(editor.display_text(cx), "/say-hello <name>");
1849
1850            // Delete last command letter
1851            editor.backspace(&editor::actions::Backspace, window, cx);
1852            editor.backspace(&editor::actions::Backspace, window, cx);
1853        });
1854
1855        cx.run_until_parked();
1856
1857        editor.update_in(&mut cx, |editor, _window, cx| {
1858            // Hint goes away once command no longer matches an available one
1859            assert_eq!(editor.text(cx), "/say-hell");
1860            assert_eq!(editor.display_text(cx), "/say-hell");
1861            assert!(!editor.has_visible_completions_menu());
1862        });
1863    }
1864
1865    #[gpui::test]
1866    async fn test_context_completion_provider_mentions(cx: &mut TestAppContext) {
1867        init_test(cx);
1868
1869        let app_state = cx.update(AppState::test);
1870
1871        cx.update(|cx| {
1872            language::init(cx);
1873            editor::init(cx);
1874            workspace::init(app_state.clone(), cx);
1875            Project::init_settings(cx);
1876        });
1877
1878        app_state
1879            .fs
1880            .as_fake()
1881            .insert_tree(
1882                path!("/dir"),
1883                json!({
1884                    "editor": "",
1885                    "a": {
1886                        "one.txt": "1",
1887                        "two.txt": "2",
1888                        "three.txt": "3",
1889                        "four.txt": "4"
1890                    },
1891                    "b": {
1892                        "five.txt": "5",
1893                        "six.txt": "6",
1894                        "seven.txt": "7",
1895                        "eight.txt": "8",
1896                    },
1897                    "x.png": "",
1898                }),
1899            )
1900            .await;
1901
1902        let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
1903        let window = cx.add_window(|window, cx| Workspace::test_new(project.clone(), window, cx));
1904        let workspace = window.root(cx).unwrap();
1905
1906        let worktree = project.update(cx, |project, cx| {
1907            let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
1908            assert_eq!(worktrees.len(), 1);
1909            worktrees.pop().unwrap()
1910        });
1911        let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
1912
1913        let mut cx = VisualTestContext::from_window(*window, cx);
1914
1915        let paths = vec![
1916            path!("a/one.txt"),
1917            path!("a/two.txt"),
1918            path!("a/three.txt"),
1919            path!("a/four.txt"),
1920            path!("b/five.txt"),
1921            path!("b/six.txt"),
1922            path!("b/seven.txt"),
1923            path!("b/eight.txt"),
1924        ];
1925
1926        let mut opened_editors = Vec::new();
1927        for path in paths {
1928            let buffer = workspace
1929                .update_in(&mut cx, |workspace, window, cx| {
1930                    workspace.open_path(
1931                        ProjectPath {
1932                            worktree_id,
1933                            path: Path::new(path).into(),
1934                        },
1935                        None,
1936                        false,
1937                        window,
1938                        cx,
1939                    )
1940                })
1941                .await
1942                .unwrap();
1943            opened_editors.push(buffer);
1944        }
1945
1946        let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
1947        let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
1948        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
1949
1950        let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
1951            let workspace_handle = cx.weak_entity();
1952            let message_editor = cx.new(|cx| {
1953                MessageEditor::new(
1954                    workspace_handle,
1955                    project.clone(),
1956                    history_store.clone(),
1957                    None,
1958                    prompt_capabilities.clone(),
1959                    Default::default(),
1960                    "Test",
1961                    EditorMode::AutoHeight {
1962                        max_lines: None,
1963                        min_lines: 1,
1964                    },
1965                    window,
1966                    cx,
1967                )
1968            });
1969            workspace.active_pane().update(cx, |pane, cx| {
1970                pane.add_item(
1971                    Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
1972                    true,
1973                    true,
1974                    None,
1975                    window,
1976                    cx,
1977                );
1978            });
1979            message_editor.read(cx).focus_handle(cx).focus(window);
1980            let editor = message_editor.read(cx).editor().clone();
1981            (message_editor, editor)
1982        });
1983
1984        cx.simulate_input("Lorem @");
1985
1986        editor.update_in(&mut cx, |editor, window, cx| {
1987            assert_eq!(editor.text(cx), "Lorem @");
1988            assert!(editor.has_visible_completions_menu());
1989
1990            assert_eq!(
1991                current_completion_labels(editor),
1992                &[
1993                    "eight.txt dir/b/",
1994                    "seven.txt dir/b/",
1995                    "six.txt dir/b/",
1996                    "five.txt dir/b/",
1997                ]
1998            );
1999            editor.set_text("", window, cx);
2000        });
2001
2002        prompt_capabilities.set(acp::PromptCapabilities {
2003            image: true,
2004            audio: true,
2005            embedded_context: true,
2006        });
2007
2008        cx.simulate_input("Lorem ");
2009
2010        editor.update(&mut cx, |editor, cx| {
2011            assert_eq!(editor.text(cx), "Lorem ");
2012            assert!(!editor.has_visible_completions_menu());
2013        });
2014
2015        cx.simulate_input("@");
2016
2017        editor.update(&mut cx, |editor, cx| {
2018            assert_eq!(editor.text(cx), "Lorem @");
2019            assert!(editor.has_visible_completions_menu());
2020            assert_eq!(
2021                current_completion_labels(editor),
2022                &[
2023                    "eight.txt dir/b/",
2024                    "seven.txt dir/b/",
2025                    "six.txt dir/b/",
2026                    "five.txt dir/b/",
2027                    "Files & Directories",
2028                    "Symbols",
2029                    "Threads",
2030                    "Fetch"
2031                ]
2032            );
2033        });
2034
2035        // Select and confirm "File"
2036        editor.update_in(&mut cx, |editor, window, cx| {
2037            assert!(editor.has_visible_completions_menu());
2038            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2039            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2040            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2041            editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2042            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2043        });
2044
2045        cx.run_until_parked();
2046
2047        editor.update(&mut cx, |editor, cx| {
2048            assert_eq!(editor.text(cx), "Lorem @file ");
2049            assert!(editor.has_visible_completions_menu());
2050        });
2051
2052        cx.simulate_input("one");
2053
2054        editor.update(&mut cx, |editor, cx| {
2055            assert_eq!(editor.text(cx), "Lorem @file one");
2056            assert!(editor.has_visible_completions_menu());
2057            assert_eq!(current_completion_labels(editor), vec!["one.txt dir/a/"]);
2058        });
2059
2060        editor.update_in(&mut cx, |editor, window, cx| {
2061            assert!(editor.has_visible_completions_menu());
2062            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2063        });
2064
2065        let url_one = uri!("file:///dir/a/one.txt");
2066        editor.update(&mut cx, |editor, cx| {
2067            let text = editor.text(cx);
2068            assert_eq!(text, format!("Lorem [@one.txt]({url_one}) "));
2069            assert!(!editor.has_visible_completions_menu());
2070            assert_eq!(fold_ranges(editor, cx).len(), 1);
2071        });
2072
2073        let all_prompt_capabilities = acp::PromptCapabilities {
2074            image: true,
2075            audio: true,
2076            embedded_context: true,
2077        };
2078
2079        let contents = message_editor
2080            .update(&mut cx, |message_editor, cx| {
2081                message_editor
2082                    .mention_set()
2083                    .contents(&all_prompt_capabilities, cx)
2084            })
2085            .await
2086            .unwrap()
2087            .into_values()
2088            .collect::<Vec<_>>();
2089
2090        {
2091            let [(uri, Mention::Text { content, .. })] = contents.as_slice() else {
2092                panic!("Unexpected mentions");
2093            };
2094            pretty_assertions::assert_eq!(content, "1");
2095            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
2096        }
2097
2098        let contents = message_editor
2099            .update(&mut cx, |message_editor, cx| {
2100                message_editor
2101                    .mention_set()
2102                    .contents(&acp::PromptCapabilities::default(), cx)
2103            })
2104            .await
2105            .unwrap()
2106            .into_values()
2107            .collect::<Vec<_>>();
2108
2109        {
2110            let [(uri, Mention::UriOnly)] = contents.as_slice() else {
2111                panic!("Unexpected mentions");
2112            };
2113            pretty_assertions::assert_eq!(uri, &url_one.parse::<MentionUri>().unwrap());
2114        }
2115
2116        cx.simulate_input(" ");
2117
2118        editor.update(&mut cx, |editor, cx| {
2119            let text = editor.text(cx);
2120            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  "));
2121            assert!(!editor.has_visible_completions_menu());
2122            assert_eq!(fold_ranges(editor, cx).len(), 1);
2123        });
2124
2125        cx.simulate_input("Ipsum ");
2126
2127        editor.update(&mut cx, |editor, cx| {
2128            let text = editor.text(cx);
2129            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum "),);
2130            assert!(!editor.has_visible_completions_menu());
2131            assert_eq!(fold_ranges(editor, cx).len(), 1);
2132        });
2133
2134        cx.simulate_input("@file ");
2135
2136        editor.update(&mut cx, |editor, cx| {
2137            let text = editor.text(cx);
2138            assert_eq!(text, format!("Lorem [@one.txt]({url_one})  Ipsum @file "),);
2139            assert!(editor.has_visible_completions_menu());
2140            assert_eq!(fold_ranges(editor, cx).len(), 1);
2141        });
2142
2143        editor.update_in(&mut cx, |editor, window, cx| {
2144            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2145        });
2146
2147        cx.run_until_parked();
2148
2149        let contents = message_editor
2150            .update(&mut cx, |message_editor, cx| {
2151                message_editor
2152                    .mention_set()
2153                    .contents(&all_prompt_capabilities, cx)
2154            })
2155            .await
2156            .unwrap()
2157            .into_values()
2158            .collect::<Vec<_>>();
2159
2160        let url_eight = uri!("file:///dir/b/eight.txt");
2161
2162        {
2163            let [_, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2164                panic!("Unexpected mentions");
2165            };
2166            pretty_assertions::assert_eq!(content, "8");
2167            pretty_assertions::assert_eq!(uri, &url_eight.parse::<MentionUri>().unwrap());
2168        }
2169
2170        editor.update(&mut cx, |editor, cx| {
2171            assert_eq!(
2172                editor.text(cx),
2173                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) ")
2174            );
2175            assert!(!editor.has_visible_completions_menu());
2176            assert_eq!(fold_ranges(editor, cx).len(), 2);
2177        });
2178
2179        let plain_text_language = Arc::new(language::Language::new(
2180            language::LanguageConfig {
2181                name: "Plain Text".into(),
2182                matcher: language::LanguageMatcher {
2183                    path_suffixes: vec!["txt".to_string()],
2184                    ..Default::default()
2185                },
2186                ..Default::default()
2187            },
2188            None,
2189        ));
2190
2191        // Register the language and fake LSP
2192        let language_registry = project.read_with(&cx, |project, _| project.languages().clone());
2193        language_registry.add(plain_text_language);
2194
2195        let mut fake_language_servers = language_registry.register_fake_lsp(
2196            "Plain Text",
2197            language::FakeLspAdapter {
2198                capabilities: lsp::ServerCapabilities {
2199                    workspace_symbol_provider: Some(lsp::OneOf::Left(true)),
2200                    ..Default::default()
2201                },
2202                ..Default::default()
2203            },
2204        );
2205
2206        // Open the buffer to trigger LSP initialization
2207        let buffer = project
2208            .update(&mut cx, |project, cx| {
2209                project.open_local_buffer(path!("/dir/a/one.txt"), cx)
2210            })
2211            .await
2212            .unwrap();
2213
2214        // Register the buffer with language servers
2215        let _handle = project.update(&mut cx, |project, cx| {
2216            project.register_buffer_with_language_servers(&buffer, cx)
2217        });
2218
2219        cx.run_until_parked();
2220
2221        let fake_language_server = fake_language_servers.next().await.unwrap();
2222        fake_language_server.set_request_handler::<lsp::WorkspaceSymbolRequest, _, _>(
2223            move |_, _| async move {
2224                Ok(Some(lsp::WorkspaceSymbolResponse::Flat(vec![
2225                    #[allow(deprecated)]
2226                    lsp::SymbolInformation {
2227                        name: "MySymbol".into(),
2228                        location: lsp::Location {
2229                            uri: lsp::Uri::from_file_path(path!("/dir/a/one.txt")).unwrap(),
2230                            range: lsp::Range::new(
2231                                lsp::Position::new(0, 0),
2232                                lsp::Position::new(0, 1),
2233                            ),
2234                        },
2235                        kind: lsp::SymbolKind::CONSTANT,
2236                        tags: None,
2237                        container_name: None,
2238                        deprecated: None,
2239                    },
2240                ])))
2241            },
2242        );
2243
2244        cx.simulate_input("@symbol ");
2245
2246        editor.update(&mut cx, |editor, cx| {
2247            assert_eq!(
2248                editor.text(cx),
2249                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) @symbol ")
2250            );
2251            assert!(editor.has_visible_completions_menu());
2252            assert_eq!(current_completion_labels(editor), &["MySymbol"]);
2253        });
2254
2255        editor.update_in(&mut cx, |editor, window, cx| {
2256            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2257        });
2258
2259        let contents = message_editor
2260            .update(&mut cx, |message_editor, cx| {
2261                message_editor
2262                    .mention_set()
2263                    .contents(&all_prompt_capabilities, cx)
2264            })
2265            .await
2266            .unwrap()
2267            .into_values()
2268            .collect::<Vec<_>>();
2269
2270        {
2271            let [_, _, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2272                panic!("Unexpected mentions");
2273            };
2274            pretty_assertions::assert_eq!(content, "1");
2275            pretty_assertions::assert_eq!(
2276                uri,
2277                &format!("{url_one}?symbol=MySymbol#L1:1")
2278                    .parse::<MentionUri>()
2279                    .unwrap()
2280            );
2281        }
2282
2283        cx.run_until_parked();
2284
2285        editor.read_with(&cx, |editor, cx| {
2286            assert_eq!(
2287                editor.text(cx),
2288                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
2289            );
2290        });
2291
2292        // Try to mention an "image" file that will fail to load
2293        cx.simulate_input("@file x.png");
2294
2295        editor.update(&mut cx, |editor, cx| {
2296            assert_eq!(
2297                editor.text(cx),
2298                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) @file x.png")
2299            );
2300            assert!(editor.has_visible_completions_menu());
2301            assert_eq!(current_completion_labels(editor), &["x.png dir/"]);
2302        });
2303
2304        editor.update_in(&mut cx, |editor, window, cx| {
2305            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2306        });
2307
2308        // Getting the message contents fails
2309        message_editor
2310            .update(&mut cx, |message_editor, cx| {
2311                message_editor
2312                    .mention_set()
2313                    .contents(&all_prompt_capabilities, cx)
2314            })
2315            .await
2316            .expect_err("Should fail to load x.png");
2317
2318        cx.run_until_parked();
2319
2320        // Mention was removed
2321        editor.read_with(&cx, |editor, cx| {
2322            assert_eq!(
2323                editor.text(cx),
2324                format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
2325            );
2326        });
2327
2328        // Once more
2329        cx.simulate_input("@file x.png");
2330
2331        editor.update(&mut cx, |editor, cx| {
2332                    assert_eq!(
2333                        editor.text(cx),
2334                        format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) @file x.png")
2335                    );
2336                    assert!(editor.has_visible_completions_menu());
2337                    assert_eq!(current_completion_labels(editor), &["x.png dir/"]);
2338                });
2339
2340        editor.update_in(&mut cx, |editor, window, cx| {
2341            editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2342        });
2343
2344        // This time don't immediately get the contents, just let the confirmed completion settle
2345        cx.run_until_parked();
2346
2347        // Mention was removed
2348        editor.read_with(&cx, |editor, cx| {
2349                    assert_eq!(
2350                        editor.text(cx),
2351                        format!("Lorem [@one.txt]({url_one})  Ipsum [@eight.txt]({url_eight}) [@MySymbol]({url_one}?symbol=MySymbol#L1:1) ")
2352                    );
2353                });
2354
2355        // Now getting the contents succeeds, because the invalid mention was removed
2356        let contents = message_editor
2357            .update(&mut cx, |message_editor, cx| {
2358                message_editor
2359                    .mention_set()
2360                    .contents(&all_prompt_capabilities, cx)
2361            })
2362            .await
2363            .unwrap();
2364        assert_eq!(contents.len(), 3);
2365    }
2366
2367    fn fold_ranges(editor: &Editor, cx: &mut App) -> Vec<Range<Point>> {
2368        let snapshot = editor.buffer().read(cx).snapshot(cx);
2369        editor.display_map.update(cx, |display_map, cx| {
2370            display_map
2371                .snapshot(cx)
2372                .folds_in_range(0..snapshot.len())
2373                .map(|fold| fold.range.to_point(&snapshot))
2374                .collect()
2375        })
2376    }
2377
2378    fn current_completion_labels(editor: &Editor) -> Vec<String> {
2379        let completions = editor.current_completions().expect("Missing completions");
2380        completions
2381            .into_iter()
2382            .map(|completion| completion.label.text)
2383            .collect::<Vec<_>>()
2384    }
2385
2386    fn current_completion_labels_with_documentation(editor: &Editor) -> Vec<(String, String)> {
2387        let completions = editor.current_completions().expect("Missing completions");
2388        completions
2389            .into_iter()
2390            .map(|completion| {
2391                (
2392                    completion.label.text,
2393                    completion
2394                        .documentation
2395                        .map(|d| d.text().to_string())
2396                        .unwrap_or_default(),
2397                )
2398            })
2399            .collect::<Vec<_>>()
2400    }
2401}