1use crate::SendImmediately;
2use crate::ThreadHistory;
3use crate::{
4 ChatWithFollow,
5 completion_provider::{
6 PromptCompletionProvider, PromptCompletionProviderDelegate, PromptContextAction,
7 PromptContextType, SlashCommandCompletion,
8 },
9 mention_set::{
10 Mention, MentionImage, MentionSet, insert_crease_for_mention, paste_images_as_context,
11 },
12};
13use acp_thread::MentionUri;
14use agent::ThreadStore;
15use agent_client_protocol as acp;
16use anyhow::{Result, anyhow};
17use collections::HashSet;
18use editor::{
19 Addon, AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement,
20 EditorEvent, EditorMode, EditorStyle, Inlay, MultiBuffer, MultiBufferOffset,
21 MultiBufferSnapshot, ToOffset, actions::Paste, code_context_menus::CodeContextMenu,
22 scroll::Autoscroll,
23};
24use futures::{FutureExt as _, future::join_all};
25use gpui::{
26 AppContext, ClipboardEntry, Context, Entity, EventEmitter, FocusHandle, Focusable, ImageFormat,
27 KeyContext, SharedString, Subscription, Task, TextStyle, WeakEntity,
28};
29use language::{Buffer, Language, language_settings::InlayHintKind};
30use project::{CompletionIntent, InlayHint, InlayHintLabel, InlayId, Project, Worktree};
31use prompt_store::PromptStore;
32use rope::Point;
33use settings::Settings;
34use std::{cell::RefCell, fmt::Write, ops::Range, rc::Rc, sync::Arc};
35use theme::ThemeSettings;
36use ui::{ContextMenu, Disclosure, ElevationIndex, prelude::*};
37use util::paths::PathStyle;
38use util::{ResultExt, debug_panic};
39use workspace::{CollaboratorId, Workspace};
40use zed_actions::agent::{Chat, PasteRaw};
41
42pub struct MessageEditor {
43 mention_set: Entity<MentionSet>,
44 editor: Entity<Editor>,
45 workspace: WeakEntity<Workspace>,
46 prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
47 available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
48 agent_name: SharedString,
49 thread_store: Option<Entity<ThreadStore>>,
50 _subscriptions: Vec<Subscription>,
51 _parse_slash_command_task: Task<()>,
52}
53
54#[derive(Clone, Debug)]
55pub enum MessageEditorEvent {
56 Send,
57 SendImmediately,
58 Cancel,
59 Focus,
60 LostFocus,
61 InputAttempted(Arc<str>),
62}
63
64impl EventEmitter<MessageEditorEvent> for MessageEditor {}
65
66const COMMAND_HINT_INLAY_ID: InlayId = InlayId::Hint(0);
67
68impl PromptCompletionProviderDelegate for Entity<MessageEditor> {
69 fn supports_images(&self, cx: &App) -> bool {
70 self.read(cx).prompt_capabilities.borrow().image
71 }
72
73 fn supported_modes(&self, cx: &App) -> Vec<PromptContextType> {
74 let mut supported = vec![PromptContextType::File, PromptContextType::Symbol];
75 if self.read(cx).prompt_capabilities.borrow().embedded_context {
76 if self.read(cx).thread_store.is_some() {
77 supported.push(PromptContextType::Thread);
78 }
79 supported.extend(&[
80 PromptContextType::Diagnostics,
81 PromptContextType::Fetch,
82 PromptContextType::Rules,
83 PromptContextType::BranchDiff,
84 ]);
85 }
86 supported
87 }
88
89 fn available_commands(&self, cx: &App) -> Vec<crate::completion_provider::AvailableCommand> {
90 self.read(cx)
91 .available_commands
92 .borrow()
93 .iter()
94 .map(|cmd| crate::completion_provider::AvailableCommand {
95 name: cmd.name.clone().into(),
96 description: cmd.description.clone().into(),
97 requires_argument: cmd.input.is_some(),
98 })
99 .collect()
100 }
101
102 fn confirm_command(&self, cx: &mut App) {
103 self.update(cx, |this, cx| this.send(cx));
104 }
105}
106
107impl MessageEditor {
108 pub fn new(
109 workspace: WeakEntity<Workspace>,
110 project: WeakEntity<Project>,
111 thread_store: Option<Entity<ThreadStore>>,
112 history: WeakEntity<ThreadHistory>,
113 prompt_store: Option<Entity<PromptStore>>,
114 prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
115 available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
116 agent_name: SharedString,
117 placeholder: &str,
118 mode: EditorMode,
119 window: &mut Window,
120 cx: &mut Context<Self>,
121 ) -> Self {
122 let language = Language::new(
123 language::LanguageConfig {
124 completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
125 ..Default::default()
126 },
127 None,
128 );
129
130 let editor = cx.new(|cx| {
131 let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
132 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
133
134 let mut editor = Editor::new(mode, buffer, None, window, cx);
135 editor.set_placeholder_text(placeholder, window, cx);
136 editor.set_show_indent_guides(false, cx);
137 editor.set_show_completions_on_input(Some(true));
138 editor.set_soft_wrap();
139 editor.set_use_modal_editing(true);
140 editor.set_context_menu_options(ContextMenuOptions {
141 min_entries_visible: 12,
142 max_entries_visible: 12,
143 placement: Some(ContextMenuPlacement::Above),
144 });
145 editor.register_addon(MessageEditorAddon::new());
146
147 editor.set_custom_context_menu(|editor, _point, window, cx| {
148 let has_selection = editor.has_non_empty_selection(&editor.display_snapshot(cx));
149
150 Some(ContextMenu::build(window, cx, |menu, _, _| {
151 menu.action("Cut", Box::new(editor::actions::Cut))
152 .action_disabled_when(
153 !has_selection,
154 "Copy",
155 Box::new(editor::actions::Copy),
156 )
157 .action("Paste", Box::new(editor::actions::Paste))
158 .action("Paste as Plain Text", Box::new(PasteRaw))
159 }))
160 });
161
162 editor
163 });
164 let mention_set =
165 cx.new(|_cx| MentionSet::new(project, thread_store.clone(), prompt_store.clone()));
166 let completion_provider = Rc::new(PromptCompletionProvider::new(
167 cx.entity(),
168 editor.downgrade(),
169 mention_set.clone(),
170 history,
171 prompt_store.clone(),
172 workspace.clone(),
173 ));
174 editor.update(cx, |editor, _cx| {
175 editor.set_completion_provider(Some(completion_provider.clone()))
176 });
177
178 cx.on_focus_in(&editor.focus_handle(cx), window, |_, _, cx| {
179 cx.emit(MessageEditorEvent::Focus)
180 })
181 .detach();
182 cx.on_focus_out(&editor.focus_handle(cx), window, |_, _, _, cx| {
183 cx.emit(MessageEditorEvent::LostFocus)
184 })
185 .detach();
186
187 let mut has_hint = false;
188 let mut subscriptions = Vec::new();
189
190 subscriptions.push(cx.subscribe_in(&editor, window, {
191 move |this, editor, event, window, cx| {
192 let input_attempted_text = match event {
193 EditorEvent::InputHandled { text, .. } => Some(text),
194 EditorEvent::InputIgnored { text } => Some(text),
195 _ => None,
196 };
197 if let Some(text) = input_attempted_text
198 && editor.read(cx).read_only(cx)
199 && !text.is_empty()
200 {
201 cx.emit(MessageEditorEvent::InputAttempted(text.clone()));
202 }
203
204 if let EditorEvent::Edited { .. } = event
205 && !editor.read(cx).read_only(cx)
206 {
207 editor.update(cx, |editor, cx| {
208 let snapshot = editor.snapshot(window, cx);
209 this.mention_set
210 .update(cx, |mention_set, _cx| mention_set.remove_invalid(&snapshot));
211
212 let new_hints = this
213 .command_hint(snapshot.buffer())
214 .into_iter()
215 .collect::<Vec<_>>();
216 let has_new_hint = !new_hints.is_empty();
217 editor.splice_inlays(
218 if has_hint {
219 &[COMMAND_HINT_INLAY_ID]
220 } else {
221 &[]
222 },
223 new_hints,
224 cx,
225 );
226 has_hint = has_new_hint;
227 });
228 cx.notify();
229 }
230 }
231 }));
232
233 Self {
234 editor,
235 mention_set,
236 workspace,
237 prompt_capabilities,
238 available_commands,
239 agent_name,
240 thread_store,
241 _subscriptions: subscriptions,
242 _parse_slash_command_task: Task::ready(()),
243 }
244 }
245
246 pub fn set_command_state(
247 &mut self,
248 prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
249 available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
250 _cx: &mut Context<Self>,
251 ) {
252 self.prompt_capabilities = prompt_capabilities;
253 self.available_commands = available_commands;
254 }
255
256 fn command_hint(&self, snapshot: &MultiBufferSnapshot) -> Option<Inlay> {
257 let available_commands = self.available_commands.borrow();
258 if available_commands.is_empty() {
259 return None;
260 }
261
262 let parsed_command = SlashCommandCompletion::try_parse(&snapshot.text(), 0)?;
263 if parsed_command.argument.is_some() {
264 return None;
265 }
266
267 let command_name = parsed_command.command?;
268 let available_command = available_commands
269 .iter()
270 .find(|command| command.name == command_name)?;
271
272 let acp::AvailableCommandInput::Unstructured(acp::UnstructuredCommandInput {
273 mut hint,
274 ..
275 }) = available_command.input.clone()?
276 else {
277 return None;
278 };
279
280 let mut hint_pos = MultiBufferOffset(parsed_command.source_range.end) + 1usize;
281 if hint_pos > snapshot.len() {
282 hint_pos = snapshot.len();
283 hint.insert(0, ' ');
284 }
285
286 let hint_pos = snapshot.anchor_after(hint_pos);
287
288 Some(Inlay::hint(
289 COMMAND_HINT_INLAY_ID,
290 hint_pos,
291 &InlayHint {
292 position: hint_pos.text_anchor,
293 label: InlayHintLabel::String(hint),
294 kind: Some(InlayHintKind::Parameter),
295 padding_left: false,
296 padding_right: false,
297 tooltip: None,
298 resolve_state: project::ResolveState::Resolved,
299 },
300 ))
301 }
302
303 pub fn insert_thread_summary(
304 &mut self,
305 session_id: acp::SessionId,
306 title: Option<SharedString>,
307 window: &mut Window,
308 cx: &mut Context<Self>,
309 ) {
310 if self.thread_store.is_none() {
311 return;
312 }
313 let Some(workspace) = self.workspace.upgrade() else {
314 return;
315 };
316 let thread_title = title
317 .filter(|title| !title.is_empty())
318 .unwrap_or_else(|| SharedString::new_static("New Thread"));
319 let uri = MentionUri::Thread {
320 id: session_id,
321 name: thread_title.to_string(),
322 };
323 let content = format!("{}\n", uri.as_link());
324
325 let content_len = content.len() - 1;
326
327 let start = self.editor.update(cx, |editor, cx| {
328 editor.set_text(content, window, cx);
329 editor
330 .buffer()
331 .read(cx)
332 .snapshot(cx)
333 .anchor_before(Point::zero())
334 .text_anchor
335 });
336
337 let supports_images = self.prompt_capabilities.borrow().image;
338
339 self.mention_set
340 .update(cx, |mention_set, cx| {
341 mention_set.confirm_mention_completion(
342 thread_title,
343 start,
344 content_len,
345 uri,
346 supports_images,
347 self.editor.clone(),
348 &workspace,
349 window,
350 cx,
351 )
352 })
353 .detach();
354 }
355
356 #[cfg(test)]
357 pub(crate) fn editor(&self) -> &Entity<Editor> {
358 &self.editor
359 }
360
361 pub fn is_empty(&self, cx: &App) -> bool {
362 self.editor.read(cx).is_empty(cx)
363 }
364
365 pub fn is_completions_menu_visible(&self, cx: &App) -> bool {
366 self.editor
367 .read(cx)
368 .context_menu()
369 .borrow()
370 .as_ref()
371 .is_some_and(|menu| matches!(menu, CodeContextMenu::Completions(_)) && menu.visible())
372 }
373
374 #[cfg(test)]
375 pub fn mention_set(&self) -> &Entity<MentionSet> {
376 &self.mention_set
377 }
378
379 fn validate_slash_commands(
380 text: &str,
381 available_commands: &[acp::AvailableCommand],
382 agent_name: &str,
383 ) -> Result<()> {
384 if let Some(parsed_command) = SlashCommandCompletion::try_parse(text, 0) {
385 if let Some(command_name) = parsed_command.command {
386 // Check if this command is in the list of available commands from the server
387 let is_supported = available_commands
388 .iter()
389 .any(|cmd| cmd.name == command_name);
390
391 if !is_supported {
392 return Err(anyhow!(
393 "The /{} command is not supported by {}.\n\nAvailable commands: {}",
394 command_name,
395 agent_name,
396 if available_commands.is_empty() {
397 "none".to_string()
398 } else {
399 available_commands
400 .iter()
401 .map(|cmd| format!("/{}", cmd.name))
402 .collect::<Vec<_>>()
403 .join(", ")
404 }
405 ));
406 }
407 }
408 }
409 Ok(())
410 }
411
412 pub fn contents(
413 &self,
414 full_mention_content: bool,
415 cx: &mut Context<Self>,
416 ) -> Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>> {
417 let text = self.editor.read(cx).text(cx);
418 let available_commands = self.available_commands.borrow().clone();
419 let agent_name = self.agent_name.clone();
420 let build_task = self.build_content_blocks(full_mention_content, cx);
421
422 cx.spawn(async move |_, _cx| {
423 Self::validate_slash_commands(&text, &available_commands, &agent_name)?;
424 build_task.await
425 })
426 }
427
428 pub fn draft_contents(&self, cx: &mut Context<Self>) -> Task<Result<Vec<acp::ContentBlock>>> {
429 let build_task = self.build_content_blocks(false, cx);
430 cx.spawn(async move |_, _cx| {
431 let (blocks, _tracked_buffers) = build_task.await?;
432 Ok(blocks)
433 })
434 }
435
436 fn build_content_blocks(
437 &self,
438 full_mention_content: bool,
439 cx: &mut Context<Self>,
440 ) -> Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>> {
441 let contents = self
442 .mention_set
443 .update(cx, |store, cx| store.contents(full_mention_content, cx));
444 let editor = self.editor.clone();
445 let supports_embedded_context = self.prompt_capabilities.borrow().embedded_context;
446
447 cx.spawn(async move |_, cx| {
448 let contents = contents.await?;
449 let mut all_tracked_buffers = Vec::new();
450
451 let result = editor.update(cx, |editor, cx| {
452 let text = editor.text(cx);
453 let (mut ix, _) = text
454 .char_indices()
455 .find(|(_, c)| !c.is_whitespace())
456 .unwrap_or((0, '\0'));
457 let mut chunks: Vec<acp::ContentBlock> = Vec::new();
458 editor.display_map.update(cx, |map, cx| {
459 let snapshot = map.snapshot(cx);
460 for (crease_id, crease) in snapshot.crease_snapshot.creases() {
461 let Some((uri, mention)) = contents.get(&crease_id) else {
462 continue;
463 };
464
465 let crease_range = crease.range().to_offset(&snapshot.buffer_snapshot());
466 if crease_range.start.0 > ix {
467 let chunk = text[ix..crease_range.start.0].into();
468 chunks.push(chunk);
469 }
470 let chunk = match mention {
471 Mention::Text {
472 content,
473 tracked_buffers,
474 } => {
475 all_tracked_buffers.extend(tracked_buffers.iter().cloned());
476 if supports_embedded_context {
477 acp::ContentBlock::Resource(acp::EmbeddedResource::new(
478 acp::EmbeddedResourceResource::TextResourceContents(
479 acp::TextResourceContents::new(
480 content.clone(),
481 uri.to_uri().to_string(),
482 ),
483 ),
484 ))
485 } else {
486 acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
487 uri.name(),
488 uri.to_uri().to_string(),
489 ))
490 }
491 }
492 Mention::Image(mention_image) => acp::ContentBlock::Image(
493 acp::ImageContent::new(
494 mention_image.data.clone(),
495 mention_image.format.mime_type(),
496 )
497 .uri(match uri {
498 MentionUri::File { .. } => Some(uri.to_uri().to_string()),
499 MentionUri::PastedImage => None,
500 other => {
501 debug_panic!(
502 "unexpected mention uri for image: {:?}",
503 other
504 );
505 None
506 }
507 }),
508 ),
509 Mention::Link => acp::ContentBlock::ResourceLink(
510 acp::ResourceLink::new(uri.name(), uri.to_uri().to_string()),
511 ),
512 };
513 chunks.push(chunk);
514 ix = crease_range.end.0;
515 }
516
517 if ix < text.len() {
518 let last_chunk = text[ix..].trim_end().to_owned();
519 if !last_chunk.is_empty() {
520 chunks.push(last_chunk.into());
521 }
522 }
523 });
524 anyhow::Ok((chunks, all_tracked_buffers))
525 })?;
526 Ok(result)
527 })
528 }
529
530 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
531 self.editor.update(cx, |editor, cx| {
532 editor.clear(window, cx);
533 editor.remove_creases(
534 self.mention_set.update(cx, |mention_set, _cx| {
535 mention_set
536 .clear()
537 .map(|(crease_id, _)| crease_id)
538 .collect::<Vec<_>>()
539 }),
540 cx,
541 )
542 });
543 }
544
545 pub fn send(&mut self, cx: &mut Context<Self>) {
546 if !self.is_empty(cx) {
547 self.editor.update(cx, |editor, cx| {
548 editor.clear_inlay_hints(cx);
549 });
550 }
551 cx.emit(MessageEditorEvent::Send)
552 }
553
554 pub fn trigger_completion_menu(&mut self, window: &mut Window, cx: &mut Context<Self>) {
555 self.insert_context_prefix("@", window, cx);
556 }
557
558 pub fn insert_context_type(
559 &mut self,
560 context_keyword: &str,
561 window: &mut Window,
562 cx: &mut Context<Self>,
563 ) {
564 let prefix = format!("@{}", context_keyword);
565 self.insert_context_prefix(&prefix, window, cx);
566 }
567
568 fn insert_context_prefix(&mut self, prefix: &str, window: &mut Window, cx: &mut Context<Self>) {
569 let editor = self.editor.clone();
570 let prefix = prefix.to_string();
571
572 cx.spawn_in(window, async move |_, cx| {
573 editor
574 .update_in(cx, |editor, window, cx| {
575 let menu_is_open =
576 editor.context_menu().borrow().as_ref().is_some_and(|menu| {
577 matches!(menu, CodeContextMenu::Completions(_)) && menu.visible()
578 });
579
580 let has_prefix = {
581 let snapshot = editor.display_snapshot(cx);
582 let cursor = editor.selections.newest::<text::Point>(&snapshot).head();
583 let offset = cursor.to_offset(&snapshot);
584 let buffer_snapshot = snapshot.buffer_snapshot();
585 let prefix_char_count = prefix.chars().count();
586 buffer_snapshot
587 .reversed_chars_at(offset)
588 .take(prefix_char_count)
589 .eq(prefix.chars().rev())
590 };
591
592 if menu_is_open && has_prefix {
593 return;
594 }
595
596 editor.insert(&prefix, window, cx);
597 editor.show_completions(&editor::actions::ShowCompletions, window, cx);
598 })
599 .log_err();
600 })
601 .detach();
602 }
603
604 fn chat(&mut self, _: &Chat, _: &mut Window, cx: &mut Context<Self>) {
605 self.send(cx);
606 }
607
608 fn send_immediately(&mut self, _: &SendImmediately, _: &mut Window, cx: &mut Context<Self>) {
609 if self.is_empty(cx) {
610 return;
611 }
612
613 self.editor.update(cx, |editor, cx| {
614 editor.clear_inlay_hints(cx);
615 });
616
617 cx.emit(MessageEditorEvent::SendImmediately)
618 }
619
620 fn chat_with_follow(
621 &mut self,
622 _: &ChatWithFollow,
623 window: &mut Window,
624 cx: &mut Context<Self>,
625 ) {
626 self.workspace
627 .update(cx, |this, cx| {
628 this.follow(CollaboratorId::Agent, window, cx)
629 })
630 .log_err();
631
632 self.send(cx);
633 }
634
635 fn cancel(&mut self, _: &editor::actions::Cancel, _: &mut Window, cx: &mut Context<Self>) {
636 cx.emit(MessageEditorEvent::Cancel)
637 }
638
639 fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
640 let Some(workspace) = self.workspace.upgrade() else {
641 return;
642 };
643 let editor_clipboard_selections = cx
644 .read_from_clipboard()
645 .and_then(|item| item.entries().first().cloned())
646 .and_then(|entry| match entry {
647 ClipboardEntry::String(text) => {
648 text.metadata_json::<Vec<editor::ClipboardSelection>>()
649 }
650 _ => None,
651 });
652
653 // Insert creases for pasted clipboard selections that:
654 // 1. Contain exactly one selection
655 // 2. Have an associated file path
656 // 3. Span multiple lines (not single-line selections)
657 // 4. Belong to a file that exists in the current project
658 let should_insert_creases = util::maybe!({
659 let selections = editor_clipboard_selections.as_ref()?;
660 if selections.len() > 1 {
661 return Some(false);
662 }
663 let selection = selections.first()?;
664 let file_path = selection.file_path.as_ref()?;
665 let line_range = selection.line_range.as_ref()?;
666
667 if line_range.start() == line_range.end() {
668 return Some(false);
669 }
670
671 Some(
672 workspace
673 .read(cx)
674 .project()
675 .read(cx)
676 .project_path_for_absolute_path(file_path, cx)
677 .is_some(),
678 )
679 })
680 .unwrap_or(false);
681
682 if should_insert_creases && let Some(selections) = editor_clipboard_selections {
683 cx.stop_propagation();
684 let insertion_target = self
685 .editor
686 .read(cx)
687 .selections
688 .newest_anchor()
689 .start
690 .text_anchor;
691
692 let project = workspace.read(cx).project().clone();
693 for selection in selections {
694 if let (Some(file_path), Some(line_range)) =
695 (selection.file_path, selection.line_range)
696 {
697 let crease_text =
698 acp_thread::selection_name(Some(file_path.as_ref()), &line_range);
699
700 let mention_uri = MentionUri::Selection {
701 abs_path: Some(file_path.clone()),
702 line_range: line_range.clone(),
703 };
704
705 let mention_text = mention_uri.as_link().to_string();
706 let (excerpt_id, text_anchor, content_len) =
707 self.editor.update(cx, |editor, cx| {
708 let buffer = editor.buffer().read(cx);
709 let snapshot = buffer.snapshot(cx);
710 let (excerpt_id, _, buffer_snapshot) = snapshot.as_singleton().unwrap();
711 let text_anchor = insertion_target.bias_left(&buffer_snapshot);
712
713 editor.insert(&mention_text, window, cx);
714 editor.insert(" ", window, cx);
715
716 (excerpt_id, text_anchor, mention_text.len())
717 });
718
719 let Some((crease_id, tx)) = insert_crease_for_mention(
720 excerpt_id,
721 text_anchor,
722 content_len,
723 crease_text.into(),
724 mention_uri.icon_path(cx),
725 mention_uri.tooltip_text(),
726 Some(mention_uri.clone()),
727 Some(self.workspace.clone()),
728 None,
729 self.editor.clone(),
730 window,
731 cx,
732 ) else {
733 continue;
734 };
735 drop(tx);
736
737 let mention_task = cx
738 .spawn({
739 let project = project.clone();
740 async move |_, cx| {
741 let project_path = project
742 .update(cx, |project, cx| {
743 project.project_path_for_absolute_path(&file_path, cx)
744 })
745 .ok_or_else(|| "project path not found".to_string())?;
746
747 let buffer = project
748 .update(cx, |project, cx| project.open_buffer(project_path, cx))
749 .await
750 .map_err(|e| e.to_string())?;
751
752 Ok(buffer.update(cx, |buffer, cx| {
753 let start =
754 Point::new(*line_range.start(), 0).min(buffer.max_point());
755 let end = Point::new(*line_range.end() + 1, 0)
756 .min(buffer.max_point());
757 let content = buffer.text_for_range(start..end).collect();
758 Mention::Text {
759 content,
760 tracked_buffers: vec![cx.entity()],
761 }
762 }))
763 }
764 })
765 .shared();
766
767 self.mention_set.update(cx, |mention_set, _cx| {
768 mention_set.insert_mention(crease_id, mention_uri.clone(), mention_task)
769 });
770 }
771 }
772 return;
773 }
774 // Handle text paste with potential markdown mention links.
775 // This must be checked BEFORE paste_images_as_context because that function
776 // returns a task even when there are no images in the clipboard.
777 if let Some(clipboard_text) = cx
778 .read_from_clipboard()
779 .and_then(|item| item.entries().first().cloned())
780 .and_then(|entry| match entry {
781 ClipboardEntry::String(text) => Some(text.text().to_string()),
782 _ => None,
783 })
784 {
785 if clipboard_text.contains("[@") {
786 cx.stop_propagation();
787 let selections_before = self.editor.update(cx, |editor, cx| {
788 let snapshot = editor.buffer().read(cx).snapshot(cx);
789 editor
790 .selections
791 .disjoint_anchors()
792 .iter()
793 .map(|selection| {
794 (
795 selection.start.bias_left(&snapshot),
796 selection.end.bias_right(&snapshot),
797 )
798 })
799 .collect::<Vec<_>>()
800 });
801
802 self.editor.update(cx, |editor, cx| {
803 editor.insert(&clipboard_text, window, cx);
804 });
805
806 let snapshot = self.editor.read(cx).buffer().read(cx).snapshot(cx);
807 let path_style = workspace.read(cx).project().read(cx).path_style(cx);
808
809 let mut all_mentions = Vec::new();
810 for (start_anchor, end_anchor) in selections_before {
811 let start_offset = start_anchor.to_offset(&snapshot);
812 let end_offset = end_anchor.to_offset(&snapshot);
813
814 // Get the actual inserted text from the buffer (may differ due to auto-indent)
815 let inserted_text: String =
816 snapshot.text_for_range(start_offset..end_offset).collect();
817
818 let parsed_mentions = parse_mention_links(&inserted_text, path_style);
819 for (range, mention_uri) in parsed_mentions {
820 let mention_start_offset = MultiBufferOffset(start_offset.0 + range.start);
821 let anchor = snapshot.anchor_before(mention_start_offset);
822 let content_len = range.end - range.start;
823 all_mentions.push((anchor, content_len, mention_uri));
824 }
825 }
826
827 if !all_mentions.is_empty() {
828 let supports_images = self.prompt_capabilities.borrow().image;
829 let http_client = workspace.read(cx).client().http_client();
830
831 for (anchor, content_len, mention_uri) in all_mentions {
832 let Some((crease_id, tx)) = insert_crease_for_mention(
833 anchor.excerpt_id,
834 anchor.text_anchor,
835 content_len,
836 mention_uri.name().into(),
837 mention_uri.icon_path(cx),
838 mention_uri.tooltip_text(),
839 Some(mention_uri.clone()),
840 Some(self.workspace.clone()),
841 None,
842 self.editor.clone(),
843 window,
844 cx,
845 ) else {
846 continue;
847 };
848
849 // Create the confirmation task based on the mention URI type.
850 // This properly loads file content, fetches URLs, etc.
851 let task = self.mention_set.update(cx, |mention_set, cx| {
852 mention_set.confirm_mention_for_uri(
853 mention_uri.clone(),
854 supports_images,
855 http_client.clone(),
856 cx,
857 )
858 });
859 let task = cx
860 .spawn(async move |_, _| task.await.map_err(|e| e.to_string()))
861 .shared();
862
863 self.mention_set.update(cx, |mention_set, _cx| {
864 mention_set.insert_mention(crease_id, mention_uri.clone(), task.clone())
865 });
866
867 // Drop the tx after inserting to signal the crease is ready
868 drop(tx);
869 }
870 return;
871 }
872 }
873 }
874
875 if self.prompt_capabilities.borrow().image
876 && let Some(task) = paste_images_as_context(
877 self.editor.clone(),
878 self.mention_set.clone(),
879 self.workspace.clone(),
880 window,
881 cx,
882 )
883 {
884 task.detach();
885 return;
886 }
887
888 // Fall through to default editor paste
889 cx.propagate();
890 }
891
892 fn paste_raw(&mut self, _: &PasteRaw, window: &mut Window, cx: &mut Context<Self>) {
893 let editor = self.editor.clone();
894 window.defer(cx, move |window, cx| {
895 editor.update(cx, |editor, cx| editor.paste(&Paste, window, cx));
896 });
897 }
898
899 pub fn insert_dragged_files(
900 &mut self,
901 paths: Vec<project::ProjectPath>,
902 added_worktrees: Vec<Entity<Worktree>>,
903 window: &mut Window,
904 cx: &mut Context<Self>,
905 ) {
906 let Some(workspace) = self.workspace.upgrade() else {
907 return;
908 };
909 let project = workspace.read(cx).project().clone();
910 let path_style = project.read(cx).path_style(cx);
911 let buffer = self.editor.read(cx).buffer().clone();
912 let Some(buffer) = buffer.read(cx).as_singleton() else {
913 return;
914 };
915 let mut tasks = Vec::new();
916 for path in paths {
917 let Some(entry) = project.read(cx).entry_for_path(&path, cx) else {
918 continue;
919 };
920 let Some(worktree) = project.read(cx).worktree_for_id(path.worktree_id, cx) else {
921 continue;
922 };
923 let abs_path = worktree.read(cx).absolutize(&path.path);
924 let (file_name, _) = crate::completion_provider::extract_file_name_and_directory(
925 &path.path,
926 worktree.read(cx).root_name(),
927 path_style,
928 );
929
930 let uri = if entry.is_dir() {
931 MentionUri::Directory { abs_path }
932 } else {
933 MentionUri::File { abs_path }
934 };
935
936 let new_text = format!("{} ", uri.as_link());
937 let content_len = new_text.len() - 1;
938
939 let anchor = buffer.update(cx, |buffer, _cx| buffer.anchor_before(buffer.len()));
940
941 self.editor.update(cx, |message_editor, cx| {
942 message_editor.edit(
943 [(
944 multi_buffer::Anchor::max()..multi_buffer::Anchor::max(),
945 new_text,
946 )],
947 cx,
948 );
949 });
950 let supports_images = self.prompt_capabilities.borrow().image;
951 tasks.push(self.mention_set.update(cx, |mention_set, cx| {
952 mention_set.confirm_mention_completion(
953 file_name,
954 anchor,
955 content_len,
956 uri,
957 supports_images,
958 self.editor.clone(),
959 &workspace,
960 window,
961 cx,
962 )
963 }));
964 }
965 cx.spawn(async move |_, _| {
966 join_all(tasks).await;
967 drop(added_worktrees);
968 })
969 .detach();
970 }
971
972 /// Inserts code snippets as creases into the editor.
973 /// Each tuple contains (code_text, crease_title).
974 pub fn insert_code_creases(
975 &mut self,
976 creases: Vec<(String, String)>,
977 window: &mut Window,
978 cx: &mut Context<Self>,
979 ) {
980 self.editor.update(cx, |editor, cx| {
981 editor.insert("\n", window, cx);
982 });
983 for (text, crease_title) in creases {
984 self.insert_crease_impl(text, crease_title, IconName::TextSnippet, true, window, cx);
985 }
986 }
987
988 pub fn insert_terminal_crease(
989 &mut self,
990 text: String,
991 window: &mut Window,
992 cx: &mut Context<Self>,
993 ) {
994 let line_count = text.lines().count() as u32;
995 let mention_uri = MentionUri::TerminalSelection { line_count };
996 let mention_text = mention_uri.as_link().to_string();
997
998 let (excerpt_id, text_anchor, content_len) = self.editor.update(cx, |editor, cx| {
999 let buffer = editor.buffer().read(cx);
1000 let snapshot = buffer.snapshot(cx);
1001 let (excerpt_id, _, buffer_snapshot) = snapshot.as_singleton().unwrap();
1002 let text_anchor = editor
1003 .selections
1004 .newest_anchor()
1005 .start
1006 .text_anchor
1007 .bias_left(&buffer_snapshot);
1008
1009 editor.insert(&mention_text, window, cx);
1010 editor.insert(" ", window, cx);
1011
1012 (excerpt_id, text_anchor, mention_text.len())
1013 });
1014
1015 let Some((crease_id, tx)) = insert_crease_for_mention(
1016 excerpt_id,
1017 text_anchor,
1018 content_len,
1019 mention_uri.name().into(),
1020 mention_uri.icon_path(cx),
1021 mention_uri.tooltip_text(),
1022 Some(mention_uri.clone()),
1023 Some(self.workspace.clone()),
1024 None,
1025 self.editor.clone(),
1026 window,
1027 cx,
1028 ) else {
1029 return;
1030 };
1031 drop(tx);
1032
1033 let mention_task = Task::ready(Ok(Mention::Text {
1034 content: text,
1035 tracked_buffers: vec![],
1036 }))
1037 .shared();
1038
1039 self.mention_set.update(cx, |mention_set, _| {
1040 mention_set.insert_mention(crease_id, mention_uri, mention_task);
1041 });
1042 }
1043
1044 pub fn insert_branch_diff_crease(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1045 let Some(workspace) = self.workspace.upgrade() else {
1046 return;
1047 };
1048
1049 let project = workspace.read(cx).project().clone();
1050
1051 let Some(repo) = project.read(cx).active_repository(cx) else {
1052 return;
1053 };
1054
1055 let default_branch_receiver = repo.update(cx, |repo, _| repo.default_branch(false));
1056 let editor = self.editor.clone();
1057 let mention_set = self.mention_set.clone();
1058 let weak_workspace = self.workspace.clone();
1059
1060 window
1061 .spawn(cx, async move |cx| {
1062 let base_ref: SharedString = default_branch_receiver
1063 .await
1064 .ok()
1065 .and_then(|r| r.ok())
1066 .flatten()
1067 .ok_or_else(|| anyhow!("Could not determine default branch"))?;
1068
1069 cx.update(|window, cx| {
1070 let mention_uri = MentionUri::GitDiff {
1071 base_ref: base_ref.to_string(),
1072 };
1073 let mention_text = mention_uri.as_link().to_string();
1074
1075 let (excerpt_id, text_anchor, content_len) = editor.update(cx, |editor, cx| {
1076 let buffer = editor.buffer().read(cx);
1077 let snapshot = buffer.snapshot(cx);
1078 let (excerpt_id, _, buffer_snapshot) = snapshot.as_singleton().unwrap();
1079 let text_anchor = editor
1080 .selections
1081 .newest_anchor()
1082 .start
1083 .text_anchor
1084 .bias_left(&buffer_snapshot);
1085
1086 editor.insert(&mention_text, window, cx);
1087 editor.insert(" ", window, cx);
1088
1089 (excerpt_id, text_anchor, mention_text.len())
1090 });
1091
1092 let Some((crease_id, tx)) = insert_crease_for_mention(
1093 excerpt_id,
1094 text_anchor,
1095 content_len,
1096 mention_uri.name().into(),
1097 mention_uri.icon_path(cx),
1098 mention_uri.tooltip_text(),
1099 Some(mention_uri.clone()),
1100 Some(weak_workspace),
1101 None,
1102 editor,
1103 window,
1104 cx,
1105 ) else {
1106 return;
1107 };
1108 drop(tx);
1109
1110 let confirm_task = mention_set.update(cx, |mention_set, cx| {
1111 mention_set.confirm_mention_for_git_diff(base_ref, cx)
1112 });
1113
1114 let mention_task = cx
1115 .spawn(async move |_cx| confirm_task.await.map_err(|e| e.to_string()))
1116 .shared();
1117
1118 mention_set.update(cx, |mention_set, _| {
1119 mention_set.insert_mention(crease_id, mention_uri, mention_task);
1120 });
1121 })
1122 })
1123 .detach_and_log_err(cx);
1124 }
1125
1126 fn insert_crease_impl(
1127 &mut self,
1128 text: String,
1129 title: String,
1130 icon: IconName,
1131 add_trailing_newline: bool,
1132 window: &mut Window,
1133 cx: &mut Context<Self>,
1134 ) {
1135 use editor::display_map::{Crease, FoldPlaceholder};
1136 use multi_buffer::MultiBufferRow;
1137 use rope::Point;
1138
1139 self.editor.update(cx, |editor, cx| {
1140 let point = editor
1141 .selections
1142 .newest::<Point>(&editor.display_snapshot(cx))
1143 .head();
1144 let start_row = MultiBufferRow(point.row);
1145
1146 editor.insert(&text, window, cx);
1147
1148 let snapshot = editor.buffer().read(cx).snapshot(cx);
1149 let anchor_before = snapshot.anchor_after(point);
1150 let anchor_after = editor
1151 .selections
1152 .newest_anchor()
1153 .head()
1154 .bias_left(&snapshot);
1155
1156 if add_trailing_newline {
1157 editor.insert("\n", window, cx);
1158 }
1159
1160 let fold_placeholder = FoldPlaceholder {
1161 render: Arc::new({
1162 let title = title.clone();
1163 move |_fold_id, _fold_range, _cx| {
1164 Button::new("crease", title.clone())
1165 .layer(ElevationIndex::ElevatedSurface)
1166 .start_icon(Icon::new(icon))
1167 .into_any_element()
1168 }
1169 }),
1170 merge_adjacent: false,
1171 ..Default::default()
1172 };
1173
1174 let crease = Crease::inline(
1175 anchor_before..anchor_after,
1176 fold_placeholder,
1177 |row, is_folded, fold, _window, _cx| {
1178 Disclosure::new(("crease-toggle", row.0 as u64), !is_folded)
1179 .toggle_state(is_folded)
1180 .on_click(move |_e, window, cx| fold(!is_folded, window, cx))
1181 .into_any_element()
1182 },
1183 |_, _, _, _| gpui::Empty.into_any(),
1184 );
1185 editor.insert_creases(vec![crease], cx);
1186 editor.fold_at(start_row, window, cx);
1187 });
1188 }
1189
1190 pub fn insert_selections(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1191 let editor = self.editor.read(cx);
1192 let editor_buffer = editor.buffer().read(cx);
1193 let Some(buffer) = editor_buffer.as_singleton() else {
1194 return;
1195 };
1196 let cursor_anchor = editor.selections.newest_anchor().head();
1197 let cursor_offset = cursor_anchor.to_offset(&editor_buffer.snapshot(cx));
1198 let anchor = buffer.update(cx, |buffer, _cx| {
1199 buffer.anchor_before(cursor_offset.0.min(buffer.len()))
1200 });
1201 let Some(workspace) = self.workspace.upgrade() else {
1202 return;
1203 };
1204 let Some(completion) =
1205 PromptCompletionProvider::<Entity<MessageEditor>>::completion_for_action(
1206 PromptContextAction::AddSelections,
1207 anchor..anchor,
1208 self.editor.downgrade(),
1209 self.mention_set.downgrade(),
1210 &workspace,
1211 cx,
1212 )
1213 else {
1214 return;
1215 };
1216
1217 self.editor.update(cx, |message_editor, cx| {
1218 message_editor.edit([(cursor_anchor..cursor_anchor, completion.new_text)], cx);
1219 message_editor.request_autoscroll(Autoscroll::fit(), cx);
1220 });
1221 if let Some(confirm) = completion.confirm {
1222 confirm(CompletionIntent::Complete, window, cx);
1223 }
1224 }
1225
1226 pub fn add_images_from_picker(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1227 if !self.prompt_capabilities.borrow().image {
1228 return;
1229 }
1230
1231 let editor = self.editor.clone();
1232 let mention_set = self.mention_set.clone();
1233 let workspace = self.workspace.clone();
1234
1235 let paths_receiver = cx.prompt_for_paths(gpui::PathPromptOptions {
1236 files: true,
1237 directories: false,
1238 multiple: true,
1239 prompt: Some("Select Images".into()),
1240 });
1241
1242 window
1243 .spawn(cx, async move |cx| {
1244 let paths = match paths_receiver.await {
1245 Ok(Ok(Some(paths))) => paths,
1246 _ => return Ok::<(), anyhow::Error>(()),
1247 };
1248
1249 let supported_formats = [
1250 ("png", gpui::ImageFormat::Png),
1251 ("jpg", gpui::ImageFormat::Jpeg),
1252 ("jpeg", gpui::ImageFormat::Jpeg),
1253 ("webp", gpui::ImageFormat::Webp),
1254 ("gif", gpui::ImageFormat::Gif),
1255 ("bmp", gpui::ImageFormat::Bmp),
1256 ("tiff", gpui::ImageFormat::Tiff),
1257 ("tif", gpui::ImageFormat::Tiff),
1258 ("ico", gpui::ImageFormat::Ico),
1259 ];
1260
1261 let mut images = Vec::new();
1262 for path in paths {
1263 let extension = path
1264 .extension()
1265 .and_then(|ext| ext.to_str())
1266 .map(|s| s.to_lowercase());
1267
1268 let Some(format) = extension.and_then(|ext| {
1269 supported_formats
1270 .iter()
1271 .find(|(e, _)| *e == ext)
1272 .map(|(_, f)| *f)
1273 }) else {
1274 continue;
1275 };
1276
1277 let Ok(content) = async_fs::read(&path).await else {
1278 continue;
1279 };
1280
1281 images.push(gpui::Image::from_bytes(format, content));
1282 }
1283
1284 crate::mention_set::insert_images_as_context(
1285 images,
1286 editor,
1287 mention_set,
1288 workspace,
1289 cx,
1290 )
1291 .await;
1292 Ok(())
1293 })
1294 .detach_and_log_err(cx);
1295 }
1296
1297 pub fn set_read_only(&mut self, read_only: bool, cx: &mut Context<Self>) {
1298 self.editor.update(cx, |message_editor, cx| {
1299 message_editor.set_read_only(read_only);
1300 cx.notify()
1301 })
1302 }
1303
1304 pub fn set_mode(&mut self, mode: EditorMode, cx: &mut Context<Self>) {
1305 self.editor.update(cx, |editor, cx| {
1306 if *editor.mode() != mode {
1307 editor.set_mode(mode);
1308 cx.notify()
1309 }
1310 });
1311 }
1312
1313 pub fn set_message(
1314 &mut self,
1315 message: Vec<acp::ContentBlock>,
1316 window: &mut Window,
1317 cx: &mut Context<Self>,
1318 ) {
1319 self.clear(window, cx);
1320 self.insert_message_blocks(message, false, window, cx);
1321 }
1322
1323 pub fn append_message(
1324 &mut self,
1325 message: Vec<acp::ContentBlock>,
1326 separator: Option<&str>,
1327 window: &mut Window,
1328 cx: &mut Context<Self>,
1329 ) {
1330 if message.is_empty() {
1331 return;
1332 }
1333
1334 if let Some(separator) = separator
1335 && !separator.is_empty()
1336 && !self.is_empty(cx)
1337 {
1338 self.editor.update(cx, |editor, cx| {
1339 editor.insert(separator, window, cx);
1340 });
1341 }
1342
1343 self.insert_message_blocks(message, true, window, cx);
1344 }
1345
1346 fn insert_message_blocks(
1347 &mut self,
1348 message: Vec<acp::ContentBlock>,
1349 append_to_existing: bool,
1350 window: &mut Window,
1351 cx: &mut Context<Self>,
1352 ) {
1353 let Some(workspace) = self.workspace.upgrade() else {
1354 return;
1355 };
1356
1357 let path_style = workspace.read(cx).project().read(cx).path_style(cx);
1358 let mut text = String::new();
1359 let mut mentions = Vec::new();
1360
1361 for chunk in message {
1362 match chunk {
1363 acp::ContentBlock::Text(text_content) => {
1364 text.push_str(&text_content.text);
1365 }
1366 acp::ContentBlock::Resource(acp::EmbeddedResource {
1367 resource: acp::EmbeddedResourceResource::TextResourceContents(resource),
1368 ..
1369 }) => {
1370 let Some(mention_uri) = MentionUri::parse(&resource.uri, path_style).log_err()
1371 else {
1372 continue;
1373 };
1374 let start = text.len();
1375 write!(&mut text, "{}", mention_uri.as_link()).ok();
1376 let end = text.len();
1377 mentions.push((
1378 start..end,
1379 mention_uri,
1380 Mention::Text {
1381 content: resource.text,
1382 tracked_buffers: Vec::new(),
1383 },
1384 ));
1385 }
1386 acp::ContentBlock::ResourceLink(resource) => {
1387 if let Some(mention_uri) =
1388 MentionUri::parse(&resource.uri, path_style).log_err()
1389 {
1390 let start = text.len();
1391 write!(&mut text, "{}", mention_uri.as_link()).ok();
1392 let end = text.len();
1393 mentions.push((start..end, mention_uri, Mention::Link));
1394 }
1395 }
1396 acp::ContentBlock::Image(acp::ImageContent {
1397 uri,
1398 data,
1399 mime_type,
1400 ..
1401 }) => {
1402 let mention_uri = if let Some(uri) = uri {
1403 MentionUri::parse(&uri, path_style)
1404 } else {
1405 Ok(MentionUri::PastedImage)
1406 };
1407 let Some(mention_uri) = mention_uri.log_err() else {
1408 continue;
1409 };
1410 let Some(format) = ImageFormat::from_mime_type(&mime_type) else {
1411 log::error!("failed to parse MIME type for image: {mime_type:?}");
1412 continue;
1413 };
1414 let start = text.len();
1415 write!(&mut text, "{}", mention_uri.as_link()).ok();
1416 let end = text.len();
1417 mentions.push((
1418 start..end,
1419 mention_uri,
1420 Mention::Image(MentionImage {
1421 data: data.into(),
1422 format,
1423 }),
1424 ));
1425 }
1426 _ => {}
1427 }
1428 }
1429
1430 if text.is_empty() && mentions.is_empty() {
1431 return;
1432 }
1433
1434 let insertion_start = if append_to_existing {
1435 self.editor.read(cx).text(cx).len()
1436 } else {
1437 0
1438 };
1439
1440 let snapshot = if append_to_existing {
1441 self.editor.update(cx, |editor, cx| {
1442 editor.insert(&text, window, cx);
1443 editor.buffer().read(cx).snapshot(cx)
1444 })
1445 } else {
1446 self.editor.update(cx, |editor, cx| {
1447 editor.set_text(text, window, cx);
1448 editor.buffer().read(cx).snapshot(cx)
1449 })
1450 };
1451
1452 for (range, mention_uri, mention) in mentions {
1453 let adjusted_start = insertion_start + range.start;
1454 let anchor = snapshot.anchor_before(MultiBufferOffset(adjusted_start));
1455 let Some((crease_id, tx)) = insert_crease_for_mention(
1456 anchor.excerpt_id,
1457 anchor.text_anchor,
1458 range.end - range.start,
1459 mention_uri.name().into(),
1460 mention_uri.icon_path(cx),
1461 mention_uri.tooltip_text(),
1462 Some(mention_uri.clone()),
1463 Some(self.workspace.clone()),
1464 None,
1465 self.editor.clone(),
1466 window,
1467 cx,
1468 ) else {
1469 continue;
1470 };
1471 drop(tx);
1472
1473 self.mention_set.update(cx, |mention_set, _cx| {
1474 mention_set.insert_mention(
1475 crease_id,
1476 mention_uri.clone(),
1477 Task::ready(Ok(mention)).shared(),
1478 )
1479 });
1480 }
1481
1482 cx.notify();
1483 }
1484
1485 pub fn text(&self, cx: &App) -> String {
1486 self.editor.read(cx).text(cx)
1487 }
1488
1489 pub fn insert_text(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
1490 if text.is_empty() {
1491 return;
1492 }
1493
1494 self.editor.update(cx, |editor, cx| {
1495 editor.insert(text, window, cx);
1496 });
1497 }
1498
1499 pub fn set_placeholder_text(
1500 &mut self,
1501 placeholder: &str,
1502 window: &mut Window,
1503 cx: &mut Context<Self>,
1504 ) {
1505 self.editor.update(cx, |editor, cx| {
1506 editor.set_placeholder_text(placeholder, window, cx);
1507 });
1508 }
1509
1510 #[cfg(any(test, feature = "test-support"))]
1511 pub fn set_text(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
1512 self.editor.update(cx, |editor, cx| {
1513 editor.set_text(text, window, cx);
1514 });
1515 }
1516}
1517
1518impl Focusable for MessageEditor {
1519 fn focus_handle(&self, cx: &App) -> FocusHandle {
1520 self.editor.focus_handle(cx)
1521 }
1522}
1523
1524impl Render for MessageEditor {
1525 fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1526 div()
1527 .key_context("MessageEditor")
1528 .on_action(cx.listener(Self::chat))
1529 .on_action(cx.listener(Self::send_immediately))
1530 .on_action(cx.listener(Self::chat_with_follow))
1531 .on_action(cx.listener(Self::cancel))
1532 .on_action(cx.listener(Self::paste_raw))
1533 .capture_action(cx.listener(Self::paste))
1534 .flex_1()
1535 .child({
1536 let settings = ThemeSettings::get_global(cx);
1537
1538 let text_style = TextStyle {
1539 color: cx.theme().colors().text,
1540 font_family: settings.buffer_font.family.clone(),
1541 font_fallbacks: settings.buffer_font.fallbacks.clone(),
1542 font_features: settings.buffer_font.features.clone(),
1543 font_size: settings.agent_buffer_font_size(cx).into(),
1544 font_weight: settings.buffer_font.weight,
1545 line_height: relative(settings.buffer_line_height.value()),
1546 ..Default::default()
1547 };
1548
1549 EditorElement::new(
1550 &self.editor,
1551 EditorStyle {
1552 background: cx.theme().colors().editor_background,
1553 local_player: cx.theme().players().local(),
1554 text: text_style,
1555 syntax: cx.theme().syntax().clone(),
1556 inlay_hints_style: editor::make_inlay_hints_style(cx),
1557 ..Default::default()
1558 },
1559 )
1560 })
1561 }
1562}
1563
1564pub struct MessageEditorAddon {}
1565
1566impl MessageEditorAddon {
1567 pub fn new() -> Self {
1568 Self {}
1569 }
1570}
1571
1572impl Addon for MessageEditorAddon {
1573 fn to_any(&self) -> &dyn std::any::Any {
1574 self
1575 }
1576
1577 fn to_any_mut(&mut self) -> Option<&mut dyn std::any::Any> {
1578 Some(self)
1579 }
1580
1581 fn extend_key_context(&self, key_context: &mut KeyContext, cx: &App) {
1582 let settings = agent_settings::AgentSettings::get_global(cx);
1583 if settings.use_modifier_to_send {
1584 key_context.add("use_modifier_to_send");
1585 }
1586 }
1587}
1588
1589/// Parses markdown mention links in the format `[@name](uri)` from text.
1590/// Returns a vector of (range, MentionUri) pairs where range is the byte range in the text.
1591fn parse_mention_links(text: &str, path_style: PathStyle) -> Vec<(Range<usize>, MentionUri)> {
1592 let mut mentions = Vec::new();
1593 let mut search_start = 0;
1594
1595 while let Some(link_start) = text[search_start..].find("[@") {
1596 let absolute_start = search_start + link_start;
1597
1598 // Find the matching closing bracket for the name, handling nested brackets.
1599 // Start at the '[' character so find_matching_bracket can track depth correctly.
1600 let Some(name_end) = find_matching_bracket(&text[absolute_start..], '[', ']') else {
1601 search_start = absolute_start + 2;
1602 continue;
1603 };
1604 let name_end = absolute_start + name_end;
1605
1606 // Check for opening parenthesis immediately after
1607 if text.get(name_end + 1..name_end + 2) != Some("(") {
1608 search_start = name_end + 1;
1609 continue;
1610 }
1611
1612 // Find the matching closing parenthesis for the URI, handling nested parens
1613 let uri_start = name_end + 2;
1614 let Some(uri_end_relative) = find_matching_bracket(&text[name_end + 1..], '(', ')') else {
1615 search_start = uri_start;
1616 continue;
1617 };
1618 let uri_end = name_end + 1 + uri_end_relative;
1619 let link_end = uri_end + 1;
1620
1621 let uri_str = &text[uri_start..uri_end];
1622
1623 // Try to parse the URI as a MentionUri
1624 if let Ok(mention_uri) = MentionUri::parse(uri_str, path_style) {
1625 mentions.push((absolute_start..link_end, mention_uri));
1626 }
1627
1628 search_start = link_end;
1629 }
1630
1631 mentions
1632}
1633
1634/// Finds the position of the matching closing bracket, handling nested brackets.
1635/// The input `text` should start with the opening bracket.
1636/// Returns the index of the matching closing bracket relative to `text`.
1637fn find_matching_bracket(text: &str, open: char, close: char) -> Option<usize> {
1638 let mut depth = 0;
1639 for (index, character) in text.char_indices() {
1640 if character == open {
1641 depth += 1;
1642 } else if character == close {
1643 depth -= 1;
1644 if depth == 0 {
1645 return Some(index);
1646 }
1647 }
1648 }
1649 None
1650}
1651
1652#[cfg(test)]
1653mod tests {
1654 use std::{cell::RefCell, ops::Range, path::Path, rc::Rc, sync::Arc};
1655
1656 use acp_thread::MentionUri;
1657 use agent::{ThreadStore, outline};
1658 use agent_client_protocol as acp;
1659 use editor::{
1660 AnchorRangeExt as _, Editor, EditorMode, MultiBufferOffset, SelectionEffects,
1661 actions::Paste,
1662 };
1663
1664 use fs::FakeFs;
1665 use futures::StreamExt as _;
1666 use gpui::{
1667 AppContext, ClipboardItem, Entity, EventEmitter, FocusHandle, Focusable, TestAppContext,
1668 VisualTestContext,
1669 };
1670 use language_model::LanguageModelRegistry;
1671 use lsp::{CompletionContext, CompletionTriggerKind};
1672 use project::{CompletionIntent, Project, ProjectPath};
1673 use serde_json::json;
1674
1675 use text::Point;
1676 use ui::{App, Context, IntoElement, Render, SharedString, Window};
1677 use util::{path, paths::PathStyle, rel_path::rel_path};
1678 use workspace::{AppState, Item, MultiWorkspace};
1679
1680 use crate::completion_provider::{PromptCompletionProviderDelegate, PromptContextType};
1681 use crate::{
1682 connection_view::tests::init_test,
1683 message_editor::{Mention, MessageEditor, parse_mention_links},
1684 };
1685
1686 #[test]
1687 fn test_parse_mention_links() {
1688 // Single file mention
1689 let text = "[@bundle-mac](file:///Users/test/zed/script/bundle-mac)";
1690 let mentions = parse_mention_links(text, PathStyle::local());
1691 assert_eq!(mentions.len(), 1);
1692 assert_eq!(mentions[0].0, 0..text.len());
1693 assert!(matches!(mentions[0].1, MentionUri::File { .. }));
1694
1695 // Multiple mentions
1696 let text = "Check [@file1](file:///path/to/file1) and [@file2](file:///path/to/file2)!";
1697 let mentions = parse_mention_links(text, PathStyle::local());
1698 assert_eq!(mentions.len(), 2);
1699
1700 // Text without mentions
1701 let text = "Just some regular text without mentions";
1702 let mentions = parse_mention_links(text, PathStyle::local());
1703 assert_eq!(mentions.len(), 0);
1704
1705 // Malformed mentions (should be skipped)
1706 let text = "[@incomplete](invalid://uri) and [@missing](";
1707 let mentions = parse_mention_links(text, PathStyle::local());
1708 assert_eq!(mentions.len(), 0);
1709
1710 // Mixed content with valid mention
1711 let text = "Before [@valid](file:///path/to/file) after";
1712 let mentions = parse_mention_links(text, PathStyle::local());
1713 assert_eq!(mentions.len(), 1);
1714 assert_eq!(mentions[0].0.start, 7);
1715
1716 // HTTP URL mention (Fetch)
1717 let text = "Check out [@docs](https://example.com/docs) for more info";
1718 let mentions = parse_mention_links(text, PathStyle::local());
1719 assert_eq!(mentions.len(), 1);
1720 assert!(matches!(mentions[0].1, MentionUri::Fetch { .. }));
1721
1722 // Directory mention (trailing slash)
1723 let text = "[@src](file:///path/to/src/)";
1724 let mentions = parse_mention_links(text, PathStyle::local());
1725 assert_eq!(mentions.len(), 1);
1726 assert!(matches!(mentions[0].1, MentionUri::Directory { .. }));
1727
1728 // Multiple different mention types
1729 let text = "File [@f](file:///a) and URL [@u](https://b.com) and dir [@d](file:///c/)";
1730 let mentions = parse_mention_links(text, PathStyle::local());
1731 assert_eq!(mentions.len(), 3);
1732 assert!(matches!(mentions[0].1, MentionUri::File { .. }));
1733 assert!(matches!(mentions[1].1, MentionUri::Fetch { .. }));
1734 assert!(matches!(mentions[2].1, MentionUri::Directory { .. }));
1735
1736 // Adjacent mentions without separator
1737 let text = "[@a](file:///a)[@b](file:///b)";
1738 let mentions = parse_mention_links(text, PathStyle::local());
1739 assert_eq!(mentions.len(), 2);
1740
1741 // Regular markdown link (not a mention) should be ignored
1742 let text = "[regular link](https://example.com)";
1743 let mentions = parse_mention_links(text, PathStyle::local());
1744 assert_eq!(mentions.len(), 0);
1745
1746 // Incomplete mention link patterns
1747 let text = "[@name] without url and [@name( malformed";
1748 let mentions = parse_mention_links(text, PathStyle::local());
1749 assert_eq!(mentions.len(), 0);
1750
1751 // Nested brackets in name portion
1752 let text = "[@name [with brackets]](file:///path/to/file)";
1753 let mentions = parse_mention_links(text, PathStyle::local());
1754 assert_eq!(mentions.len(), 1);
1755 assert_eq!(mentions[0].0, 0..text.len());
1756
1757 // Deeply nested brackets
1758 let text = "[@outer [inner [deep]]](file:///path)";
1759 let mentions = parse_mention_links(text, PathStyle::local());
1760 assert_eq!(mentions.len(), 1);
1761
1762 // Unbalanced brackets should fail gracefully
1763 let text = "[@unbalanced [bracket](file:///path)";
1764 let mentions = parse_mention_links(text, PathStyle::local());
1765 assert_eq!(mentions.len(), 0);
1766
1767 // Nested parentheses in URI (common in URLs with query params)
1768 let text = "[@wiki](https://en.wikipedia.org/wiki/Rust_(programming_language))";
1769 let mentions = parse_mention_links(text, PathStyle::local());
1770 assert_eq!(mentions.len(), 1);
1771 if let MentionUri::Fetch { url } = &mentions[0].1 {
1772 assert!(url.as_str().contains("Rust_(programming_language)"));
1773 } else {
1774 panic!("Expected Fetch URI");
1775 }
1776 }
1777
1778 #[gpui::test]
1779 async fn test_at_mention_removal(cx: &mut TestAppContext) {
1780 init_test(cx);
1781
1782 let fs = FakeFs::new(cx.executor());
1783 fs.insert_tree("/project", json!({"file": ""})).await;
1784 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
1785
1786 let (multi_workspace, cx) =
1787 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
1788 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
1789
1790 let thread_store = None;
1791 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
1792
1793 let message_editor = cx.update(|window, cx| {
1794 cx.new(|cx| {
1795 MessageEditor::new(
1796 workspace.downgrade(),
1797 project.downgrade(),
1798 thread_store.clone(),
1799 history.downgrade(),
1800 None,
1801 Default::default(),
1802 Default::default(),
1803 "Test Agent".into(),
1804 "Test",
1805 EditorMode::AutoHeight {
1806 min_lines: 1,
1807 max_lines: None,
1808 },
1809 window,
1810 cx,
1811 )
1812 })
1813 });
1814 let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
1815
1816 cx.run_until_parked();
1817
1818 let excerpt_id = editor.update(cx, |editor, cx| {
1819 editor
1820 .buffer()
1821 .read(cx)
1822 .excerpt_ids()
1823 .into_iter()
1824 .next()
1825 .unwrap()
1826 });
1827 let completions = editor.update_in(cx, |editor, window, cx| {
1828 editor.set_text("Hello @file ", window, cx);
1829 let buffer = editor.buffer().read(cx).as_singleton().unwrap();
1830 let completion_provider = editor.completion_provider().unwrap();
1831 completion_provider.completions(
1832 excerpt_id,
1833 &buffer,
1834 text::Anchor::MAX,
1835 CompletionContext {
1836 trigger_kind: CompletionTriggerKind::TRIGGER_CHARACTER,
1837 trigger_character: Some("@".into()),
1838 },
1839 window,
1840 cx,
1841 )
1842 });
1843 let [_, completion]: [_; 2] = completions
1844 .await
1845 .unwrap()
1846 .into_iter()
1847 .flat_map(|response| response.completions)
1848 .collect::<Vec<_>>()
1849 .try_into()
1850 .unwrap();
1851
1852 editor.update_in(cx, |editor, window, cx| {
1853 let snapshot = editor.buffer().read(cx).snapshot(cx);
1854 let range = snapshot
1855 .anchor_range_in_excerpt(excerpt_id, completion.replace_range)
1856 .unwrap();
1857 editor.edit([(range, completion.new_text)], cx);
1858 (completion.confirm.unwrap())(CompletionIntent::Complete, window, cx);
1859 });
1860
1861 cx.run_until_parked();
1862
1863 // Backspace over the inserted crease (and the following space).
1864 editor.update_in(cx, |editor, window, cx| {
1865 editor.backspace(&Default::default(), window, cx);
1866 editor.backspace(&Default::default(), window, cx);
1867 });
1868
1869 let (content, _) = message_editor
1870 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1871 .await
1872 .unwrap();
1873
1874 // We don't send a resource link for the deleted crease.
1875 pretty_assertions::assert_matches!(content.as_slice(), [acp::ContentBlock::Text { .. }]);
1876 }
1877
1878 #[gpui::test]
1879 async fn test_slash_command_validation(cx: &mut gpui::TestAppContext) {
1880 init_test(cx);
1881 let fs = FakeFs::new(cx.executor());
1882 fs.insert_tree(
1883 "/test",
1884 json!({
1885 ".zed": {
1886 "tasks.json": r#"[{"label": "test", "command": "echo"}]"#
1887 },
1888 "src": {
1889 "main.rs": "fn main() {}",
1890 },
1891 }),
1892 )
1893 .await;
1894
1895 let project = Project::test(fs.clone(), ["/test".as_ref()], cx).await;
1896 let thread_store = None;
1897 let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
1898 // Start with no available commands - simulating Claude which doesn't support slash commands
1899 let available_commands = Rc::new(RefCell::new(vec![]));
1900
1901 let (multi_workspace, cx) =
1902 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
1903 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
1904 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
1905 let workspace_handle = workspace.downgrade();
1906 let message_editor = workspace.update_in(cx, |_, window, cx| {
1907 cx.new(|cx| {
1908 MessageEditor::new(
1909 workspace_handle.clone(),
1910 project.downgrade(),
1911 thread_store.clone(),
1912 history.downgrade(),
1913 None,
1914 prompt_capabilities.clone(),
1915 available_commands.clone(),
1916 "Claude Agent".into(),
1917 "Test",
1918 EditorMode::AutoHeight {
1919 min_lines: 1,
1920 max_lines: None,
1921 },
1922 window,
1923 cx,
1924 )
1925 })
1926 });
1927 let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
1928
1929 // Test that slash commands fail when no available_commands are set (empty list means no commands supported)
1930 editor.update_in(cx, |editor, window, cx| {
1931 editor.set_text("/file test.txt", window, cx);
1932 });
1933
1934 let contents_result = message_editor
1935 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1936 .await;
1937
1938 // Should fail because available_commands is empty (no commands supported)
1939 assert!(contents_result.is_err());
1940 let error_message = contents_result.unwrap_err().to_string();
1941 assert!(error_message.contains("not supported by Claude Agent"));
1942 assert!(error_message.contains("Available commands: none"));
1943
1944 // Now simulate Claude providing its list of available commands (which doesn't include file)
1945 available_commands.replace(vec![acp::AvailableCommand::new("help", "Get help")]);
1946
1947 // Test that unsupported slash commands trigger an error when we have a list of available commands
1948 editor.update_in(cx, |editor, window, cx| {
1949 editor.set_text("/file test.txt", window, cx);
1950 });
1951
1952 let contents_result = message_editor
1953 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1954 .await;
1955
1956 assert!(contents_result.is_err());
1957 let error_message = contents_result.unwrap_err().to_string();
1958 assert!(error_message.contains("not supported by Claude Agent"));
1959 assert!(error_message.contains("/file"));
1960 assert!(error_message.contains("Available commands: /help"));
1961
1962 // Test that supported commands work fine
1963 editor.update_in(cx, |editor, window, cx| {
1964 editor.set_text("/help", window, cx);
1965 });
1966
1967 let contents_result = message_editor
1968 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1969 .await;
1970
1971 // Should succeed because /help is in available_commands
1972 assert!(contents_result.is_ok());
1973
1974 // Test that regular text works fine
1975 editor.update_in(cx, |editor, window, cx| {
1976 editor.set_text("Hello Claude!", window, cx);
1977 });
1978
1979 let (content, _) = message_editor
1980 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1981 .await
1982 .unwrap();
1983
1984 assert_eq!(content.len(), 1);
1985 if let acp::ContentBlock::Text(text) = &content[0] {
1986 assert_eq!(text.text, "Hello Claude!");
1987 } else {
1988 panic!("Expected ContentBlock::Text");
1989 }
1990
1991 // Test that @ mentions still work
1992 editor.update_in(cx, |editor, window, cx| {
1993 editor.set_text("Check this @", window, cx);
1994 });
1995
1996 // The @ mention functionality should not be affected
1997 let (content, _) = message_editor
1998 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
1999 .await
2000 .unwrap();
2001
2002 assert_eq!(content.len(), 1);
2003 if let acp::ContentBlock::Text(text) = &content[0] {
2004 assert_eq!(text.text, "Check this @");
2005 } else {
2006 panic!("Expected ContentBlock::Text");
2007 }
2008 }
2009
2010 struct MessageEditorItem(Entity<MessageEditor>);
2011
2012 impl Item for MessageEditorItem {
2013 type Event = ();
2014
2015 fn include_in_nav_history() -> bool {
2016 false
2017 }
2018
2019 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
2020 "Test".into()
2021 }
2022 }
2023
2024 impl EventEmitter<()> for MessageEditorItem {}
2025
2026 impl Focusable for MessageEditorItem {
2027 fn focus_handle(&self, cx: &App) -> FocusHandle {
2028 self.0.read(cx).focus_handle(cx)
2029 }
2030 }
2031
2032 impl Render for MessageEditorItem {
2033 fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
2034 self.0.clone().into_any_element()
2035 }
2036 }
2037
2038 #[gpui::test]
2039 async fn test_completion_provider_commands(cx: &mut TestAppContext) {
2040 init_test(cx);
2041
2042 let app_state = cx.update(AppState::test);
2043
2044 cx.update(|cx| {
2045 editor::init(cx);
2046 workspace::init(app_state.clone(), cx);
2047 });
2048
2049 let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
2050 let window =
2051 cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2052 let workspace = window
2053 .read_with(cx, |mw, _| mw.workspace().clone())
2054 .unwrap();
2055
2056 let mut cx = VisualTestContext::from_window(window.into(), cx);
2057
2058 let thread_store = None;
2059 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
2060 let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
2061 let available_commands = Rc::new(RefCell::new(vec![
2062 acp::AvailableCommand::new("quick-math", "2 + 2 = 4 - 1 = 3"),
2063 acp::AvailableCommand::new("say-hello", "Say hello to whoever you want").input(
2064 acp::AvailableCommandInput::Unstructured(acp::UnstructuredCommandInput::new(
2065 "<name>",
2066 )),
2067 ),
2068 ]));
2069
2070 let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
2071 let workspace_handle = cx.weak_entity();
2072 let message_editor = cx.new(|cx| {
2073 MessageEditor::new(
2074 workspace_handle,
2075 project.downgrade(),
2076 thread_store.clone(),
2077 history.downgrade(),
2078 None,
2079 prompt_capabilities.clone(),
2080 available_commands.clone(),
2081 "Test Agent".into(),
2082 "Test",
2083 EditorMode::AutoHeight {
2084 max_lines: None,
2085 min_lines: 1,
2086 },
2087 window,
2088 cx,
2089 )
2090 });
2091 workspace.active_pane().update(cx, |pane, cx| {
2092 pane.add_item(
2093 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
2094 true,
2095 true,
2096 None,
2097 window,
2098 cx,
2099 );
2100 });
2101 message_editor.read(cx).focus_handle(cx).focus(window, cx);
2102 message_editor.read(cx).editor().clone()
2103 });
2104
2105 cx.simulate_input("/");
2106
2107 editor.update_in(&mut cx, |editor, window, cx| {
2108 assert_eq!(editor.text(cx), "/");
2109 assert!(editor.has_visible_completions_menu());
2110
2111 assert_eq!(
2112 current_completion_labels_with_documentation(editor),
2113 &[
2114 ("quick-math".into(), "2 + 2 = 4 - 1 = 3".into()),
2115 ("say-hello".into(), "Say hello to whoever you want".into())
2116 ]
2117 );
2118 editor.set_text("", window, cx);
2119 });
2120
2121 cx.simulate_input("/qui");
2122
2123 editor.update_in(&mut cx, |editor, window, cx| {
2124 assert_eq!(editor.text(cx), "/qui");
2125 assert!(editor.has_visible_completions_menu());
2126
2127 assert_eq!(
2128 current_completion_labels_with_documentation(editor),
2129 &[("quick-math".into(), "2 + 2 = 4 - 1 = 3".into())]
2130 );
2131 editor.set_text("", window, cx);
2132 });
2133
2134 editor.update_in(&mut cx, |editor, window, cx| {
2135 assert!(editor.has_visible_completions_menu());
2136 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2137 });
2138
2139 cx.run_until_parked();
2140
2141 editor.update_in(&mut cx, |editor, window, cx| {
2142 assert_eq!(editor.display_text(cx), "/quick-math ");
2143 assert!(!editor.has_visible_completions_menu());
2144 editor.set_text("", window, cx);
2145 });
2146
2147 cx.simulate_input("/say");
2148
2149 editor.update_in(&mut cx, |editor, _window, cx| {
2150 assert_eq!(editor.display_text(cx), "/say");
2151 assert!(editor.has_visible_completions_menu());
2152
2153 assert_eq!(
2154 current_completion_labels_with_documentation(editor),
2155 &[("say-hello".into(), "Say hello to whoever you want".into())]
2156 );
2157 });
2158
2159 editor.update_in(&mut cx, |editor, window, cx| {
2160 assert!(editor.has_visible_completions_menu());
2161 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2162 });
2163
2164 cx.run_until_parked();
2165
2166 editor.update_in(&mut cx, |editor, _window, cx| {
2167 assert_eq!(editor.text(cx), "/say-hello ");
2168 assert_eq!(editor.display_text(cx), "/say-hello <name>");
2169 assert!(!editor.has_visible_completions_menu());
2170 });
2171
2172 cx.simulate_input("GPT5");
2173
2174 cx.run_until_parked();
2175
2176 editor.update_in(&mut cx, |editor, window, cx| {
2177 assert_eq!(editor.text(cx), "/say-hello GPT5");
2178 assert_eq!(editor.display_text(cx), "/say-hello GPT5");
2179 assert!(!editor.has_visible_completions_menu());
2180
2181 // Delete argument
2182 for _ in 0..5 {
2183 editor.backspace(&editor::actions::Backspace, window, cx);
2184 }
2185 });
2186
2187 cx.run_until_parked();
2188
2189 editor.update_in(&mut cx, |editor, window, cx| {
2190 assert_eq!(editor.text(cx), "/say-hello");
2191 // Hint is visible because argument was deleted
2192 assert_eq!(editor.display_text(cx), "/say-hello <name>");
2193
2194 // Delete last command letter
2195 editor.backspace(&editor::actions::Backspace, window, cx);
2196 });
2197
2198 cx.run_until_parked();
2199
2200 editor.update_in(&mut cx, |editor, _window, cx| {
2201 // Hint goes away once command no longer matches an available one
2202 assert_eq!(editor.text(cx), "/say-hell");
2203 assert_eq!(editor.display_text(cx), "/say-hell");
2204 assert!(!editor.has_visible_completions_menu());
2205 });
2206 }
2207
2208 #[gpui::test]
2209 async fn test_context_completion_provider_mentions(cx: &mut TestAppContext) {
2210 init_test(cx);
2211
2212 let app_state = cx.update(AppState::test);
2213
2214 cx.update(|cx| {
2215 editor::init(cx);
2216 workspace::init(app_state.clone(), cx);
2217 });
2218
2219 app_state
2220 .fs
2221 .as_fake()
2222 .insert_tree(
2223 path!("/dir"),
2224 json!({
2225 "editor": "",
2226 "a": {
2227 "one.txt": "1",
2228 "two.txt": "2",
2229 "three.txt": "3",
2230 "four.txt": "4"
2231 },
2232 "b": {
2233 "five.txt": "5",
2234 "six.txt": "6",
2235 "seven.txt": "7",
2236 "eight.txt": "8",
2237 },
2238 "x.png": "",
2239 }),
2240 )
2241 .await;
2242
2243 let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
2244 let window =
2245 cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2246 let workspace = window
2247 .read_with(cx, |mw, _| mw.workspace().clone())
2248 .unwrap();
2249
2250 let worktree = project.update(cx, |project, cx| {
2251 let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
2252 assert_eq!(worktrees.len(), 1);
2253 worktrees.pop().unwrap()
2254 });
2255 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2256
2257 let mut cx = VisualTestContext::from_window(window.into(), cx);
2258
2259 let paths = vec![
2260 rel_path("a/one.txt"),
2261 rel_path("a/two.txt"),
2262 rel_path("a/three.txt"),
2263 rel_path("a/four.txt"),
2264 rel_path("b/five.txt"),
2265 rel_path("b/six.txt"),
2266 rel_path("b/seven.txt"),
2267 rel_path("b/eight.txt"),
2268 ];
2269
2270 let slash = PathStyle::local().primary_separator();
2271
2272 let mut opened_editors = Vec::new();
2273 for path in paths {
2274 let buffer = workspace
2275 .update_in(&mut cx, |workspace, window, cx| {
2276 workspace.open_path(
2277 ProjectPath {
2278 worktree_id,
2279 path: path.into(),
2280 },
2281 None,
2282 false,
2283 window,
2284 cx,
2285 )
2286 })
2287 .await
2288 .unwrap();
2289 opened_editors.push(buffer);
2290 }
2291
2292 let thread_store = cx.new(|cx| ThreadStore::new(cx));
2293 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
2294 let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
2295
2296 let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
2297 let workspace_handle = cx.weak_entity();
2298 let message_editor = cx.new(|cx| {
2299 MessageEditor::new(
2300 workspace_handle,
2301 project.downgrade(),
2302 Some(thread_store),
2303 history.downgrade(),
2304 None,
2305 prompt_capabilities.clone(),
2306 Default::default(),
2307 "Test Agent".into(),
2308 "Test",
2309 EditorMode::AutoHeight {
2310 max_lines: None,
2311 min_lines: 1,
2312 },
2313 window,
2314 cx,
2315 )
2316 });
2317 workspace.active_pane().update(cx, |pane, cx| {
2318 pane.add_item(
2319 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
2320 true,
2321 true,
2322 None,
2323 window,
2324 cx,
2325 );
2326 });
2327 message_editor.read(cx).focus_handle(cx).focus(window, cx);
2328 let editor = message_editor.read(cx).editor().clone();
2329 (message_editor, editor)
2330 });
2331
2332 cx.simulate_input("Lorem @");
2333
2334 editor.update_in(&mut cx, |editor, window, cx| {
2335 assert_eq!(editor.text(cx), "Lorem @");
2336 assert!(editor.has_visible_completions_menu());
2337
2338 assert_eq!(
2339 current_completion_labels(editor),
2340 &[
2341 format!("eight.txt b{slash}"),
2342 format!("seven.txt b{slash}"),
2343 format!("six.txt b{slash}"),
2344 format!("five.txt b{slash}"),
2345 "Files & Directories".into(),
2346 "Symbols".into()
2347 ]
2348 );
2349 editor.set_text("", window, cx);
2350 });
2351
2352 prompt_capabilities.replace(
2353 acp::PromptCapabilities::new()
2354 .image(true)
2355 .audio(true)
2356 .embedded_context(true),
2357 );
2358
2359 cx.simulate_input("Lorem ");
2360
2361 editor.update(&mut cx, |editor, cx| {
2362 assert_eq!(editor.text(cx), "Lorem ");
2363 assert!(!editor.has_visible_completions_menu());
2364 });
2365
2366 cx.simulate_input("@");
2367
2368 editor.update(&mut cx, |editor, cx| {
2369 assert_eq!(editor.text(cx), "Lorem @");
2370 assert!(editor.has_visible_completions_menu());
2371 assert_eq!(
2372 current_completion_labels(editor),
2373 &[
2374 format!("eight.txt b{slash}"),
2375 format!("seven.txt b{slash}"),
2376 format!("six.txt b{slash}"),
2377 format!("five.txt b{slash}"),
2378 "Files & Directories".into(),
2379 "Symbols".into(),
2380 "Threads".into(),
2381 "Fetch".into()
2382 ]
2383 );
2384 });
2385
2386 // Select and confirm "File"
2387 editor.update_in(&mut cx, |editor, window, cx| {
2388 assert!(editor.has_visible_completions_menu());
2389 editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2390 editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2391 editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2392 editor.context_menu_next(&editor::actions::ContextMenuNext, window, cx);
2393 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2394 });
2395
2396 cx.run_until_parked();
2397
2398 editor.update(&mut cx, |editor, cx| {
2399 assert_eq!(editor.text(cx), "Lorem @file ");
2400 assert!(editor.has_visible_completions_menu());
2401 });
2402
2403 cx.simulate_input("one");
2404
2405 editor.update(&mut cx, |editor, cx| {
2406 assert_eq!(editor.text(cx), "Lorem @file one");
2407 assert!(editor.has_visible_completions_menu());
2408 assert_eq!(
2409 current_completion_labels(editor),
2410 vec![format!("one.txt a{slash}")]
2411 );
2412 });
2413
2414 editor.update_in(&mut cx, |editor, window, cx| {
2415 assert!(editor.has_visible_completions_menu());
2416 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2417 });
2418
2419 let url_one = MentionUri::File {
2420 abs_path: path!("/dir/a/one.txt").into(),
2421 }
2422 .to_uri()
2423 .to_string();
2424 editor.update(&mut cx, |editor, cx| {
2425 let text = editor.text(cx);
2426 assert_eq!(text, format!("Lorem [@one.txt]({url_one}) "));
2427 assert!(!editor.has_visible_completions_menu());
2428 assert_eq!(fold_ranges(editor, cx).len(), 1);
2429 });
2430
2431 let contents = message_editor
2432 .update(&mut cx, |message_editor, cx| {
2433 message_editor
2434 .mention_set()
2435 .update(cx, |mention_set, cx| mention_set.contents(false, cx))
2436 })
2437 .await
2438 .unwrap()
2439 .into_values()
2440 .collect::<Vec<_>>();
2441
2442 {
2443 let [(uri, Mention::Text { content, .. })] = contents.as_slice() else {
2444 panic!("Unexpected mentions");
2445 };
2446 pretty_assertions::assert_eq!(content, "1");
2447 pretty_assertions::assert_eq!(
2448 uri,
2449 &MentionUri::parse(&url_one, PathStyle::local()).unwrap()
2450 );
2451 }
2452
2453 cx.simulate_input(" ");
2454
2455 editor.update(&mut cx, |editor, cx| {
2456 let text = editor.text(cx);
2457 assert_eq!(text, format!("Lorem [@one.txt]({url_one}) "));
2458 assert!(!editor.has_visible_completions_menu());
2459 assert_eq!(fold_ranges(editor, cx).len(), 1);
2460 });
2461
2462 cx.simulate_input("Ipsum ");
2463
2464 editor.update(&mut cx, |editor, cx| {
2465 let text = editor.text(cx);
2466 assert_eq!(text, format!("Lorem [@one.txt]({url_one}) Ipsum "),);
2467 assert!(!editor.has_visible_completions_menu());
2468 assert_eq!(fold_ranges(editor, cx).len(), 1);
2469 });
2470
2471 cx.simulate_input("@file ");
2472
2473 editor.update(&mut cx, |editor, cx| {
2474 let text = editor.text(cx);
2475 assert_eq!(text, format!("Lorem [@one.txt]({url_one}) Ipsum @file "),);
2476 assert!(editor.has_visible_completions_menu());
2477 assert_eq!(fold_ranges(editor, cx).len(), 1);
2478 });
2479
2480 editor.update_in(&mut cx, |editor, window, cx| {
2481 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2482 });
2483
2484 cx.run_until_parked();
2485
2486 let contents = message_editor
2487 .update(&mut cx, |message_editor, cx| {
2488 message_editor
2489 .mention_set()
2490 .update(cx, |mention_set, cx| mention_set.contents(false, cx))
2491 })
2492 .await
2493 .unwrap()
2494 .into_values()
2495 .collect::<Vec<_>>();
2496
2497 let url_eight = MentionUri::File {
2498 abs_path: path!("/dir/b/eight.txt").into(),
2499 }
2500 .to_uri()
2501 .to_string();
2502
2503 {
2504 let [_, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2505 panic!("Unexpected mentions");
2506 };
2507 pretty_assertions::assert_eq!(content, "8");
2508 pretty_assertions::assert_eq!(
2509 uri,
2510 &MentionUri::parse(&url_eight, PathStyle::local()).unwrap()
2511 );
2512 }
2513
2514 editor.update(&mut cx, |editor, cx| {
2515 assert_eq!(
2516 editor.text(cx),
2517 format!("Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) ")
2518 );
2519 assert!(!editor.has_visible_completions_menu());
2520 assert_eq!(fold_ranges(editor, cx).len(), 2);
2521 });
2522
2523 let plain_text_language = Arc::new(language::Language::new(
2524 language::LanguageConfig {
2525 name: "Plain Text".into(),
2526 matcher: language::LanguageMatcher {
2527 path_suffixes: vec!["txt".to_string()],
2528 ..Default::default()
2529 },
2530 ..Default::default()
2531 },
2532 None,
2533 ));
2534
2535 // Register the language and fake LSP
2536 let language_registry = project.read_with(&cx, |project, _| project.languages().clone());
2537 language_registry.add(plain_text_language);
2538
2539 let mut fake_language_servers = language_registry.register_fake_lsp(
2540 "Plain Text",
2541 language::FakeLspAdapter {
2542 capabilities: lsp::ServerCapabilities {
2543 workspace_symbol_provider: Some(lsp::OneOf::Left(true)),
2544 ..Default::default()
2545 },
2546 ..Default::default()
2547 },
2548 );
2549
2550 // Open the buffer to trigger LSP initialization
2551 let buffer = project
2552 .update(&mut cx, |project, cx| {
2553 project.open_local_buffer(path!("/dir/a/one.txt"), cx)
2554 })
2555 .await
2556 .unwrap();
2557
2558 // Register the buffer with language servers
2559 let _handle = project.update(&mut cx, |project, cx| {
2560 project.register_buffer_with_language_servers(&buffer, cx)
2561 });
2562
2563 cx.run_until_parked();
2564
2565 let fake_language_server = fake_language_servers.next().await.unwrap();
2566 fake_language_server.set_request_handler::<lsp::WorkspaceSymbolRequest, _, _>(
2567 move |_, _| async move {
2568 Ok(Some(lsp::WorkspaceSymbolResponse::Flat(vec![
2569 #[allow(deprecated)]
2570 lsp::SymbolInformation {
2571 name: "MySymbol".into(),
2572 location: lsp::Location {
2573 uri: lsp::Uri::from_file_path(path!("/dir/a/one.txt")).unwrap(),
2574 range: lsp::Range::new(
2575 lsp::Position::new(0, 0),
2576 lsp::Position::new(0, 1),
2577 ),
2578 },
2579 kind: lsp::SymbolKind::CONSTANT,
2580 tags: None,
2581 container_name: None,
2582 deprecated: None,
2583 },
2584 ])))
2585 },
2586 );
2587
2588 cx.simulate_input("@symbol ");
2589
2590 editor.update(&mut cx, |editor, cx| {
2591 assert_eq!(
2592 editor.text(cx),
2593 format!("Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) @symbol ")
2594 );
2595 assert!(editor.has_visible_completions_menu());
2596 assert_eq!(current_completion_labels(editor), &["MySymbol one.txt L1"]);
2597 });
2598
2599 editor.update_in(&mut cx, |editor, window, cx| {
2600 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2601 });
2602
2603 let symbol = MentionUri::Symbol {
2604 abs_path: path!("/dir/a/one.txt").into(),
2605 name: "MySymbol".into(),
2606 line_range: 0..=0,
2607 };
2608
2609 let contents = message_editor
2610 .update(&mut cx, |message_editor, cx| {
2611 message_editor
2612 .mention_set()
2613 .update(cx, |mention_set, cx| mention_set.contents(false, cx))
2614 })
2615 .await
2616 .unwrap()
2617 .into_values()
2618 .collect::<Vec<_>>();
2619
2620 {
2621 let [_, _, (uri, Mention::Text { content, .. })] = contents.as_slice() else {
2622 panic!("Unexpected mentions");
2623 };
2624 pretty_assertions::assert_eq!(content, "1");
2625 pretty_assertions::assert_eq!(uri, &symbol);
2626 }
2627
2628 cx.run_until_parked();
2629
2630 editor.read_with(&cx, |editor, cx| {
2631 assert_eq!(
2632 editor.text(cx),
2633 format!(
2634 "Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2635 symbol.to_uri(),
2636 )
2637 );
2638 });
2639
2640 // Try to mention an "image" file that will fail to load
2641 cx.simulate_input("@file x.png");
2642
2643 editor.update(&mut cx, |editor, cx| {
2644 assert_eq!(
2645 editor.text(cx),
2646 format!("Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) @file x.png", symbol.to_uri())
2647 );
2648 assert!(editor.has_visible_completions_menu());
2649 assert_eq!(current_completion_labels(editor), &["x.png "]);
2650 });
2651
2652 editor.update_in(&mut cx, |editor, window, cx| {
2653 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2654 });
2655
2656 // Getting the message contents fails
2657 message_editor
2658 .update(&mut cx, |message_editor, cx| {
2659 message_editor
2660 .mention_set()
2661 .update(cx, |mention_set, cx| mention_set.contents(false, cx))
2662 })
2663 .await
2664 .expect_err("Should fail to load x.png");
2665
2666 cx.run_until_parked();
2667
2668 // Mention was removed
2669 editor.read_with(&cx, |editor, cx| {
2670 assert_eq!(
2671 editor.text(cx),
2672 format!(
2673 "Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2674 symbol.to_uri()
2675 )
2676 );
2677 });
2678
2679 // Once more
2680 cx.simulate_input("@file x.png");
2681
2682 editor.update(&mut cx, |editor, cx| {
2683 assert_eq!(
2684 editor.text(cx),
2685 format!("Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) @file x.png", symbol.to_uri())
2686 );
2687 assert!(editor.has_visible_completions_menu());
2688 assert_eq!(current_completion_labels(editor), &["x.png "]);
2689 });
2690
2691 editor.update_in(&mut cx, |editor, window, cx| {
2692 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
2693 });
2694
2695 // This time don't immediately get the contents, just let the confirmed completion settle
2696 cx.run_until_parked();
2697
2698 // Mention was removed
2699 editor.read_with(&cx, |editor, cx| {
2700 assert_eq!(
2701 editor.text(cx),
2702 format!(
2703 "Lorem [@one.txt]({url_one}) Ipsum [@eight.txt]({url_eight}) [@MySymbol]({}) ",
2704 symbol.to_uri()
2705 )
2706 );
2707 });
2708
2709 // Now getting the contents succeeds, because the invalid mention was removed
2710 let contents = message_editor
2711 .update(&mut cx, |message_editor, cx| {
2712 message_editor
2713 .mention_set()
2714 .update(cx, |mention_set, cx| mention_set.contents(false, cx))
2715 })
2716 .await
2717 .unwrap();
2718 assert_eq!(contents.len(), 3);
2719 }
2720
2721 fn fold_ranges(editor: &Editor, cx: &mut App) -> Vec<Range<Point>> {
2722 let snapshot = editor.buffer().read(cx).snapshot(cx);
2723 editor.display_map.update(cx, |display_map, cx| {
2724 display_map
2725 .snapshot(cx)
2726 .folds_in_range(MultiBufferOffset(0)..snapshot.len())
2727 .map(|fold| fold.range.to_point(&snapshot))
2728 .collect()
2729 })
2730 }
2731
2732 fn current_completion_labels(editor: &Editor) -> Vec<String> {
2733 let completions = editor.current_completions().expect("Missing completions");
2734 completions
2735 .into_iter()
2736 .map(|completion| completion.label.text)
2737 .collect::<Vec<_>>()
2738 }
2739
2740 fn current_completion_labels_with_documentation(editor: &Editor) -> Vec<(String, String)> {
2741 let completions = editor.current_completions().expect("Missing completions");
2742 completions
2743 .into_iter()
2744 .map(|completion| {
2745 (
2746 completion.label.text,
2747 completion
2748 .documentation
2749 .map(|d| d.text().to_string())
2750 .unwrap_or_default(),
2751 )
2752 })
2753 .collect::<Vec<_>>()
2754 }
2755
2756 #[gpui::test]
2757 async fn test_large_file_mention_fallback(cx: &mut TestAppContext) {
2758 init_test(cx);
2759
2760 let fs = FakeFs::new(cx.executor());
2761
2762 // Create a large file that exceeds AUTO_OUTLINE_SIZE
2763 // Using plain text without a configured language, so no outline is available
2764 const LINE: &str = "This is a line of text in the file\n";
2765 let large_content = LINE.repeat(2 * (outline::AUTO_OUTLINE_SIZE / LINE.len()));
2766 assert!(large_content.len() > outline::AUTO_OUTLINE_SIZE);
2767
2768 // Create a small file that doesn't exceed AUTO_OUTLINE_SIZE
2769 let small_content = "fn small_function() { /* small */ }\n";
2770 assert!(small_content.len() < outline::AUTO_OUTLINE_SIZE);
2771
2772 fs.insert_tree(
2773 "/project",
2774 json!({
2775 "large_file.txt": large_content.clone(),
2776 "small_file.txt": small_content,
2777 }),
2778 )
2779 .await;
2780
2781 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
2782
2783 let (multi_workspace, cx) =
2784 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2785 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2786
2787 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
2788 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
2789
2790 let message_editor = cx.update(|window, cx| {
2791 cx.new(|cx| {
2792 let editor = MessageEditor::new(
2793 workspace.downgrade(),
2794 project.downgrade(),
2795 thread_store.clone(),
2796 history.downgrade(),
2797 None,
2798 Default::default(),
2799 Default::default(),
2800 "Test Agent".into(),
2801 "Test",
2802 EditorMode::AutoHeight {
2803 min_lines: 1,
2804 max_lines: None,
2805 },
2806 window,
2807 cx,
2808 );
2809 // Enable embedded context so files are actually included
2810 editor
2811 .prompt_capabilities
2812 .replace(acp::PromptCapabilities::new().embedded_context(true));
2813 editor
2814 })
2815 });
2816
2817 // Test large file mention
2818 // Get the absolute path using the project's worktree
2819 let large_file_abs_path = project.read_with(cx, |project, cx| {
2820 let worktree = project.worktrees(cx).next().unwrap();
2821 let worktree_root = worktree.read(cx).abs_path();
2822 worktree_root.join("large_file.txt")
2823 });
2824 let large_file_task = message_editor.update(cx, |editor, cx| {
2825 editor.mention_set().update(cx, |set, cx| {
2826 set.confirm_mention_for_file(large_file_abs_path, true, cx)
2827 })
2828 });
2829
2830 let large_file_mention = large_file_task.await.unwrap();
2831 match large_file_mention {
2832 Mention::Text { content, .. } => {
2833 // Should contain some of the content but not all of it
2834 assert!(
2835 content.contains(LINE),
2836 "Should contain some of the file content"
2837 );
2838 assert!(
2839 !content.contains(&LINE.repeat(100)),
2840 "Should not contain the full file"
2841 );
2842 // Should be much smaller than original
2843 assert!(
2844 content.len() < large_content.len() / 10,
2845 "Should be significantly truncated"
2846 );
2847 }
2848 _ => panic!("Expected Text mention for large file"),
2849 }
2850
2851 // Test small file mention
2852 // Get the absolute path using the project's worktree
2853 let small_file_abs_path = project.read_with(cx, |project, cx| {
2854 let worktree = project.worktrees(cx).next().unwrap();
2855 let worktree_root = worktree.read(cx).abs_path();
2856 worktree_root.join("small_file.txt")
2857 });
2858 let small_file_task = message_editor.update(cx, |editor, cx| {
2859 editor.mention_set().update(cx, |set, cx| {
2860 set.confirm_mention_for_file(small_file_abs_path, true, cx)
2861 })
2862 });
2863
2864 let small_file_mention = small_file_task.await.unwrap();
2865 match small_file_mention {
2866 Mention::Text { content, .. } => {
2867 // Should contain the full actual content
2868 assert_eq!(content, small_content);
2869 }
2870 _ => panic!("Expected Text mention for small file"),
2871 }
2872 }
2873
2874 #[gpui::test]
2875 async fn test_insert_thread_summary(cx: &mut TestAppContext) {
2876 init_test(cx);
2877 cx.update(LanguageModelRegistry::test);
2878
2879 let fs = FakeFs::new(cx.executor());
2880 fs.insert_tree("/project", json!({"file": ""})).await;
2881 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
2882
2883 let (multi_workspace, cx) =
2884 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2885 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2886
2887 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
2888 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
2889
2890 let session_id = acp::SessionId::new("thread-123");
2891 let title = Some("Previous Conversation".into());
2892
2893 let message_editor = cx.update(|window, cx| {
2894 cx.new(|cx| {
2895 let mut editor = MessageEditor::new(
2896 workspace.downgrade(),
2897 project.downgrade(),
2898 thread_store.clone(),
2899 history.downgrade(),
2900 None,
2901 Default::default(),
2902 Default::default(),
2903 "Test Agent".into(),
2904 "Test",
2905 EditorMode::AutoHeight {
2906 min_lines: 1,
2907 max_lines: None,
2908 },
2909 window,
2910 cx,
2911 );
2912 editor.insert_thread_summary(session_id.clone(), title.clone(), window, cx);
2913 editor
2914 })
2915 });
2916
2917 // Construct expected values for verification
2918 let expected_uri = MentionUri::Thread {
2919 id: session_id.clone(),
2920 name: title.as_ref().unwrap().to_string(),
2921 };
2922 let expected_title = title.as_ref().unwrap();
2923 let expected_link = format!("[@{}]({})", expected_title, expected_uri.to_uri());
2924
2925 message_editor.read_with(cx, |editor, cx| {
2926 let text = editor.text(cx);
2927
2928 assert!(
2929 text.contains(&expected_link),
2930 "Expected editor text to contain thread mention link.\nExpected substring: {}\nActual text: {}",
2931 expected_link,
2932 text
2933 );
2934
2935 let mentions = editor.mention_set().read(cx).mentions();
2936 assert_eq!(
2937 mentions.len(),
2938 1,
2939 "Expected exactly one mention after inserting thread summary"
2940 );
2941
2942 assert!(
2943 mentions.contains(&expected_uri),
2944 "Expected mentions to contain the thread URI"
2945 );
2946 });
2947 }
2948
2949 #[gpui::test]
2950 async fn test_insert_thread_summary_skipped_for_external_agents(cx: &mut TestAppContext) {
2951 init_test(cx);
2952 cx.update(LanguageModelRegistry::test);
2953
2954 let fs = FakeFs::new(cx.executor());
2955 fs.insert_tree("/project", json!({"file": ""})).await;
2956 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
2957
2958 let (multi_workspace, cx) =
2959 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2960 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2961
2962 let thread_store = None;
2963 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
2964
2965 let message_editor = cx.update(|window, cx| {
2966 cx.new(|cx| {
2967 let mut editor = MessageEditor::new(
2968 workspace.downgrade(),
2969 project.downgrade(),
2970 thread_store.clone(),
2971 history.downgrade(),
2972 None,
2973 Default::default(),
2974 Default::default(),
2975 "Test Agent".into(),
2976 "Test",
2977 EditorMode::AutoHeight {
2978 min_lines: 1,
2979 max_lines: None,
2980 },
2981 window,
2982 cx,
2983 );
2984 editor.insert_thread_summary(
2985 acp::SessionId::new("thread-123"),
2986 Some("Previous Conversation".into()),
2987 window,
2988 cx,
2989 );
2990 editor
2991 })
2992 });
2993
2994 message_editor.read_with(cx, |editor, cx| {
2995 assert!(
2996 editor.text(cx).is_empty(),
2997 "Expected thread summary to be skipped for external agents"
2998 );
2999 assert!(
3000 editor.mention_set().read(cx).mentions().is_empty(),
3001 "Expected no mentions when thread summary is skipped"
3002 );
3003 });
3004 }
3005
3006 #[gpui::test]
3007 async fn test_thread_mode_hidden_when_disabled(cx: &mut TestAppContext) {
3008 init_test(cx);
3009
3010 let fs = FakeFs::new(cx.executor());
3011 fs.insert_tree("/project", json!({"file": ""})).await;
3012 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3013
3014 let (multi_workspace, cx) =
3015 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3016 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3017
3018 let thread_store = None;
3019 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3020
3021 let message_editor = cx.update(|window, cx| {
3022 cx.new(|cx| {
3023 MessageEditor::new(
3024 workspace.downgrade(),
3025 project.downgrade(),
3026 thread_store.clone(),
3027 history.downgrade(),
3028 None,
3029 Default::default(),
3030 Default::default(),
3031 "Test Agent".into(),
3032 "Test",
3033 EditorMode::AutoHeight {
3034 min_lines: 1,
3035 max_lines: None,
3036 },
3037 window,
3038 cx,
3039 )
3040 })
3041 });
3042
3043 message_editor.update(cx, |editor, _cx| {
3044 editor
3045 .prompt_capabilities
3046 .replace(acp::PromptCapabilities::new().embedded_context(true));
3047 });
3048
3049 let supported_modes = {
3050 let app = cx.app.borrow();
3051 message_editor.supported_modes(&app)
3052 };
3053
3054 assert!(
3055 !supported_modes.contains(&PromptContextType::Thread),
3056 "Expected thread mode to be hidden when thread mentions are disabled"
3057 );
3058 }
3059
3060 #[gpui::test]
3061 async fn test_thread_mode_visible_when_enabled(cx: &mut TestAppContext) {
3062 init_test(cx);
3063
3064 let fs = FakeFs::new(cx.executor());
3065 fs.insert_tree("/project", json!({"file": ""})).await;
3066 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3067
3068 let (multi_workspace, cx) =
3069 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3070 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3071
3072 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
3073 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3074
3075 let message_editor = cx.update(|window, cx| {
3076 cx.new(|cx| {
3077 MessageEditor::new(
3078 workspace.downgrade(),
3079 project.downgrade(),
3080 thread_store.clone(),
3081 history.downgrade(),
3082 None,
3083 Default::default(),
3084 Default::default(),
3085 "Test Agent".into(),
3086 "Test",
3087 EditorMode::AutoHeight {
3088 min_lines: 1,
3089 max_lines: None,
3090 },
3091 window,
3092 cx,
3093 )
3094 })
3095 });
3096
3097 message_editor.update(cx, |editor, _cx| {
3098 editor
3099 .prompt_capabilities
3100 .replace(acp::PromptCapabilities::new().embedded_context(true));
3101 });
3102
3103 let supported_modes = {
3104 let app = cx.app.borrow();
3105 message_editor.supported_modes(&app)
3106 };
3107
3108 assert!(
3109 supported_modes.contains(&PromptContextType::Thread),
3110 "Expected thread mode to be visible when enabled"
3111 );
3112 }
3113
3114 #[gpui::test]
3115 async fn test_whitespace_trimming(cx: &mut TestAppContext) {
3116 init_test(cx);
3117
3118 let fs = FakeFs::new(cx.executor());
3119 fs.insert_tree("/project", json!({"file.rs": "fn main() {}"}))
3120 .await;
3121 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3122
3123 let (multi_workspace, cx) =
3124 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3125 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3126
3127 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
3128 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3129
3130 let message_editor = cx.update(|window, cx| {
3131 cx.new(|cx| {
3132 MessageEditor::new(
3133 workspace.downgrade(),
3134 project.downgrade(),
3135 thread_store.clone(),
3136 history.downgrade(),
3137 None,
3138 Default::default(),
3139 Default::default(),
3140 "Test Agent".into(),
3141 "Test",
3142 EditorMode::AutoHeight {
3143 min_lines: 1,
3144 max_lines: None,
3145 },
3146 window,
3147 cx,
3148 )
3149 })
3150 });
3151 let editor = message_editor.update(cx, |message_editor, _| message_editor.editor.clone());
3152
3153 cx.run_until_parked();
3154
3155 editor.update_in(cx, |editor, window, cx| {
3156 editor.set_text(" \u{A0}してhello world ", window, cx);
3157 });
3158
3159 let (content, _) = message_editor
3160 .update(cx, |message_editor, cx| message_editor.contents(false, cx))
3161 .await
3162 .unwrap();
3163
3164 assert_eq!(content, vec!["してhello world".into()]);
3165 }
3166
3167 #[gpui::test]
3168 async fn test_editor_respects_embedded_context_capability(cx: &mut TestAppContext) {
3169 init_test(cx);
3170
3171 let fs = FakeFs::new(cx.executor());
3172
3173 let file_content = "fn main() { println!(\"Hello, world!\"); }\n";
3174
3175 fs.insert_tree(
3176 "/project",
3177 json!({
3178 "src": {
3179 "main.rs": file_content,
3180 }
3181 }),
3182 )
3183 .await;
3184
3185 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3186
3187 let (multi_workspace, cx) =
3188 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3189 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3190
3191 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
3192 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3193
3194 let (message_editor, editor) = workspace.update_in(cx, |workspace, window, cx| {
3195 let workspace_handle = cx.weak_entity();
3196 let message_editor = cx.new(|cx| {
3197 MessageEditor::new(
3198 workspace_handle,
3199 project.downgrade(),
3200 thread_store.clone(),
3201 history.downgrade(),
3202 None,
3203 Default::default(),
3204 Default::default(),
3205 "Test Agent".into(),
3206 "Test",
3207 EditorMode::AutoHeight {
3208 max_lines: None,
3209 min_lines: 1,
3210 },
3211 window,
3212 cx,
3213 )
3214 });
3215 workspace.active_pane().update(cx, |pane, cx| {
3216 pane.add_item(
3217 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
3218 true,
3219 true,
3220 None,
3221 window,
3222 cx,
3223 );
3224 });
3225 message_editor.read(cx).focus_handle(cx).focus(window, cx);
3226 let editor = message_editor.read(cx).editor().clone();
3227 (message_editor, editor)
3228 });
3229
3230 cx.simulate_input("What is in @file main");
3231
3232 editor.update_in(cx, |editor, window, cx| {
3233 assert!(editor.has_visible_completions_menu());
3234 assert_eq!(editor.text(cx), "What is in @file main");
3235 editor.confirm_completion(&editor::actions::ConfirmCompletion::default(), window, cx);
3236 });
3237
3238 let content = message_editor
3239 .update(cx, |editor, cx| editor.contents(false, cx))
3240 .await
3241 .unwrap()
3242 .0;
3243
3244 let main_rs_uri = if cfg!(windows) {
3245 "file:///C:/project/src/main.rs"
3246 } else {
3247 "file:///project/src/main.rs"
3248 };
3249
3250 // When embedded context is `false` we should get a resource link
3251 pretty_assertions::assert_eq!(
3252 content,
3253 vec![
3254 "What is in ".into(),
3255 acp::ContentBlock::ResourceLink(acp::ResourceLink::new("main.rs", main_rs_uri))
3256 ]
3257 );
3258
3259 message_editor.update(cx, |editor, _cx| {
3260 editor
3261 .prompt_capabilities
3262 .replace(acp::PromptCapabilities::new().embedded_context(true))
3263 });
3264
3265 let content = message_editor
3266 .update(cx, |editor, cx| editor.contents(false, cx))
3267 .await
3268 .unwrap()
3269 .0;
3270
3271 // When embedded context is `true` we should get a resource
3272 pretty_assertions::assert_eq!(
3273 content,
3274 vec![
3275 "What is in ".into(),
3276 acp::ContentBlock::Resource(acp::EmbeddedResource::new(
3277 acp::EmbeddedResourceResource::TextResourceContents(
3278 acp::TextResourceContents::new(file_content, main_rs_uri)
3279 )
3280 ))
3281 ]
3282 );
3283 }
3284
3285 #[gpui::test]
3286 async fn test_autoscroll_after_insert_selections(cx: &mut TestAppContext) {
3287 init_test(cx);
3288
3289 let app_state = cx.update(AppState::test);
3290
3291 cx.update(|cx| {
3292 editor::init(cx);
3293 workspace::init(app_state.clone(), cx);
3294 });
3295
3296 app_state
3297 .fs
3298 .as_fake()
3299 .insert_tree(
3300 path!("/dir"),
3301 json!({
3302 "test.txt": "line1\nline2\nline3\nline4\nline5\n",
3303 }),
3304 )
3305 .await;
3306
3307 let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
3308 let window =
3309 cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3310 let workspace = window
3311 .read_with(cx, |mw, _| mw.workspace().clone())
3312 .unwrap();
3313
3314 let worktree = project.update(cx, |project, cx| {
3315 let mut worktrees = project.worktrees(cx).collect::<Vec<_>>();
3316 assert_eq!(worktrees.len(), 1);
3317 worktrees.pop().unwrap()
3318 });
3319 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
3320
3321 let mut cx = VisualTestContext::from_window(window.into(), cx);
3322
3323 // Open a regular editor with the created file, and select a portion of
3324 // the text that will be used for the selections that are meant to be
3325 // inserted in the agent panel.
3326 let editor = workspace
3327 .update_in(&mut cx, |workspace, window, cx| {
3328 workspace.open_path(
3329 ProjectPath {
3330 worktree_id,
3331 path: rel_path("test.txt").into(),
3332 },
3333 None,
3334 false,
3335 window,
3336 cx,
3337 )
3338 })
3339 .await
3340 .unwrap()
3341 .downcast::<Editor>()
3342 .unwrap();
3343
3344 editor.update_in(&mut cx, |editor, window, cx| {
3345 editor.change_selections(Default::default(), window, cx, |selections| {
3346 selections.select_ranges([Point::new(0, 0)..Point::new(0, 5)]);
3347 });
3348 });
3349
3350 let thread_store = Some(cx.new(|cx| ThreadStore::new(cx)));
3351 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3352
3353 // Create a new `MessageEditor`. The `EditorMode::full()` has to be used
3354 // to ensure we have a fixed viewport, so we can eventually actually
3355 // place the cursor outside of the visible area.
3356 let message_editor = workspace.update_in(&mut cx, |workspace, window, cx| {
3357 let workspace_handle = cx.weak_entity();
3358 let message_editor = cx.new(|cx| {
3359 MessageEditor::new(
3360 workspace_handle,
3361 project.downgrade(),
3362 thread_store.clone(),
3363 history.downgrade(),
3364 None,
3365 Default::default(),
3366 Default::default(),
3367 "Test Agent".into(),
3368 "Test",
3369 EditorMode::full(),
3370 window,
3371 cx,
3372 )
3373 });
3374 workspace.active_pane().update(cx, |pane, cx| {
3375 pane.add_item(
3376 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
3377 true,
3378 true,
3379 None,
3380 window,
3381 cx,
3382 );
3383 });
3384
3385 message_editor
3386 });
3387
3388 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3389 message_editor.editor.update(cx, |editor, cx| {
3390 // Update the Agent Panel's Message Editor text to have 100
3391 // lines, ensuring that the cursor is set at line 90 and that we
3392 // then scroll all the way to the top, so the cursor's position
3393 // remains off screen.
3394 let mut lines = String::new();
3395 for _ in 1..=100 {
3396 lines.push_str(&"Another line in the agent panel's message editor\n");
3397 }
3398 editor.set_text(lines.as_str(), window, cx);
3399 editor.change_selections(Default::default(), window, cx, |selections| {
3400 selections.select_ranges([Point::new(90, 0)..Point::new(90, 0)]);
3401 });
3402 editor.set_scroll_position(gpui::Point::new(0., 0.), window, cx);
3403 });
3404 });
3405
3406 cx.run_until_parked();
3407
3408 // Before proceeding, let's assert that the cursor is indeed off screen,
3409 // otherwise the rest of the test doesn't make sense.
3410 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3411 message_editor.editor.update(cx, |editor, cx| {
3412 let snapshot = editor.snapshot(window, cx);
3413 let cursor_row = editor.selections.newest::<Point>(&snapshot).head().row;
3414 let scroll_top = snapshot.scroll_position().y as u32;
3415 let visible_lines = editor.visible_line_count().unwrap() as u32;
3416 let visible_range = scroll_top..(scroll_top + visible_lines);
3417
3418 assert!(!visible_range.contains(&cursor_row));
3419 })
3420 });
3421
3422 // Now let's insert the selection in the Agent Panel's editor and
3423 // confirm that, after the insertion, the cursor is now in the visible
3424 // range.
3425 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3426 message_editor.insert_selections(window, cx);
3427 });
3428
3429 cx.run_until_parked();
3430
3431 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3432 message_editor.editor.update(cx, |editor, cx| {
3433 let snapshot = editor.snapshot(window, cx);
3434 let cursor_row = editor.selections.newest::<Point>(&snapshot).head().row;
3435 let scroll_top = snapshot.scroll_position().y as u32;
3436 let visible_lines = editor.visible_line_count().unwrap() as u32;
3437 let visible_range = scroll_top..(scroll_top + visible_lines);
3438
3439 assert!(visible_range.contains(&cursor_row));
3440 })
3441 });
3442 }
3443
3444 #[gpui::test]
3445 async fn test_insert_context_with_multibyte_characters(cx: &mut TestAppContext) {
3446 init_test(cx);
3447
3448 let app_state = cx.update(AppState::test);
3449
3450 cx.update(|cx| {
3451 editor::init(cx);
3452 workspace::init(app_state.clone(), cx);
3453 });
3454
3455 app_state
3456 .fs
3457 .as_fake()
3458 .insert_tree(path!("/dir"), json!({}))
3459 .await;
3460
3461 let project = Project::test(app_state.fs.clone(), [path!("/dir").as_ref()], cx).await;
3462 let window =
3463 cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3464 let workspace = window
3465 .read_with(cx, |mw, _| mw.workspace().clone())
3466 .unwrap();
3467
3468 let mut cx = VisualTestContext::from_window(window.into(), cx);
3469
3470 let thread_store = cx.new(|cx| ThreadStore::new(cx));
3471 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3472
3473 let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
3474 let workspace_handle = cx.weak_entity();
3475 let message_editor = cx.new(|cx| {
3476 MessageEditor::new(
3477 workspace_handle,
3478 project.downgrade(),
3479 Some(thread_store),
3480 history.downgrade(),
3481 None,
3482 Default::default(),
3483 Default::default(),
3484 "Test Agent".into(),
3485 "Test",
3486 EditorMode::AutoHeight {
3487 max_lines: None,
3488 min_lines: 1,
3489 },
3490 window,
3491 cx,
3492 )
3493 });
3494 workspace.active_pane().update(cx, |pane, cx| {
3495 pane.add_item(
3496 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
3497 true,
3498 true,
3499 None,
3500 window,
3501 cx,
3502 );
3503 });
3504 message_editor.read(cx).focus_handle(cx).focus(window, cx);
3505 let editor = message_editor.read(cx).editor().clone();
3506 (message_editor, editor)
3507 });
3508
3509 editor.update_in(&mut cx, |editor, window, cx| {
3510 editor.set_text("😄😄", window, cx);
3511 });
3512
3513 cx.run_until_parked();
3514
3515 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3516 message_editor.insert_context_type("file", window, cx);
3517 });
3518
3519 cx.run_until_parked();
3520
3521 editor.update(&mut cx, |editor, cx| {
3522 assert_eq!(editor.text(cx), "😄😄@file");
3523 });
3524 }
3525
3526 #[gpui::test]
3527 async fn test_paste_mention_link_with_multiple_selections(cx: &mut TestAppContext) {
3528 init_test(cx);
3529
3530 let app_state = cx.update(AppState::test);
3531
3532 cx.update(|cx| {
3533 editor::init(cx);
3534 workspace::init(app_state.clone(), cx);
3535 });
3536
3537 app_state
3538 .fs
3539 .as_fake()
3540 .insert_tree(path!("/project"), json!({"file.txt": "content"}))
3541 .await;
3542
3543 let project = Project::test(app_state.fs.clone(), [path!("/project").as_ref()], cx).await;
3544 let window =
3545 cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3546 let workspace = window
3547 .read_with(cx, |mw, _| mw.workspace().clone())
3548 .unwrap();
3549
3550 let mut cx = VisualTestContext::from_window(window.into(), cx);
3551
3552 let thread_store = cx.new(|cx| ThreadStore::new(cx));
3553 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3554
3555 let (message_editor, editor) = workspace.update_in(&mut cx, |workspace, window, cx| {
3556 let workspace_handle = cx.weak_entity();
3557 let message_editor = cx.new(|cx| {
3558 MessageEditor::new(
3559 workspace_handle,
3560 project.downgrade(),
3561 Some(thread_store),
3562 history.downgrade(),
3563 None,
3564 Default::default(),
3565 Default::default(),
3566 "Test Agent".into(),
3567 "Test",
3568 EditorMode::AutoHeight {
3569 max_lines: None,
3570 min_lines: 1,
3571 },
3572 window,
3573 cx,
3574 )
3575 });
3576 workspace.active_pane().update(cx, |pane, cx| {
3577 pane.add_item(
3578 Box::new(cx.new(|_| MessageEditorItem(message_editor.clone()))),
3579 true,
3580 true,
3581 None,
3582 window,
3583 cx,
3584 );
3585 });
3586 message_editor.read(cx).focus_handle(cx).focus(window, cx);
3587 let editor = message_editor.read(cx).editor().clone();
3588 (message_editor, editor)
3589 });
3590
3591 editor.update_in(&mut cx, |editor, window, cx| {
3592 editor.set_text(
3593 "AAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAA",
3594 window,
3595 cx,
3596 );
3597 });
3598
3599 cx.run_until_parked();
3600
3601 editor.update_in(&mut cx, |editor, window, cx| {
3602 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
3603 s.select_ranges([
3604 MultiBufferOffset(0)..MultiBufferOffset(25), // First selection (large)
3605 MultiBufferOffset(30)..MultiBufferOffset(55), // Second selection (newest)
3606 ]);
3607 });
3608 });
3609
3610 let mention_link = "[@f](file:///test.txt)";
3611 cx.write_to_clipboard(ClipboardItem::new_string(mention_link.into()));
3612
3613 message_editor.update_in(&mut cx, |message_editor, window, cx| {
3614 message_editor.paste(&Paste, window, cx);
3615 });
3616
3617 let text = editor.update(&mut cx, |editor, cx| editor.text(cx));
3618 assert!(
3619 text.contains("[@f](file:///test.txt)"),
3620 "Expected mention link to be pasted, got: {}",
3621 text
3622 );
3623 }
3624
3625 // Helper that creates a minimal MessageEditor inside a window, returning both
3626 // the entity and the underlying VisualTestContext so callers can drive updates.
3627 async fn setup_message_editor(
3628 cx: &mut TestAppContext,
3629 ) -> (Entity<MessageEditor>, &mut VisualTestContext) {
3630 let fs = FakeFs::new(cx.executor());
3631 fs.insert_tree("/project", json!({"file.txt": ""})).await;
3632 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3633
3634 let (multi_workspace, cx) =
3635 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3636 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3637 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3638
3639 let message_editor = cx.update(|window, cx| {
3640 cx.new(|cx| {
3641 MessageEditor::new(
3642 workspace.downgrade(),
3643 project.downgrade(),
3644 None,
3645 history.downgrade(),
3646 None,
3647 Default::default(),
3648 Default::default(),
3649 "Test Agent".into(),
3650 "Test",
3651 EditorMode::AutoHeight {
3652 min_lines: 1,
3653 max_lines: None,
3654 },
3655 window,
3656 cx,
3657 )
3658 })
3659 });
3660
3661 cx.run_until_parked();
3662 (message_editor, cx)
3663 }
3664
3665 #[gpui::test]
3666 async fn test_set_message_plain_text(cx: &mut TestAppContext) {
3667 init_test(cx);
3668 let (message_editor, cx) = setup_message_editor(cx).await;
3669
3670 message_editor.update_in(cx, |editor, window, cx| {
3671 editor.set_message(
3672 vec![acp::ContentBlock::Text(acp::TextContent::new(
3673 "hello world".to_string(),
3674 ))],
3675 window,
3676 cx,
3677 );
3678 });
3679
3680 let text = message_editor.update(cx, |editor, cx| editor.text(cx));
3681 assert_eq!(text, "hello world");
3682 assert!(!message_editor.update(cx, |editor, cx| editor.is_empty(cx)));
3683 }
3684
3685 #[gpui::test]
3686 async fn test_set_message_replaces_existing_content(cx: &mut TestAppContext) {
3687 init_test(cx);
3688 let (message_editor, cx) = setup_message_editor(cx).await;
3689
3690 // Set initial content.
3691 message_editor.update_in(cx, |editor, window, cx| {
3692 editor.set_message(
3693 vec![acp::ContentBlock::Text(acp::TextContent::new(
3694 "old content".to_string(),
3695 ))],
3696 window,
3697 cx,
3698 );
3699 });
3700
3701 // Replace with new content.
3702 message_editor.update_in(cx, |editor, window, cx| {
3703 editor.set_message(
3704 vec![acp::ContentBlock::Text(acp::TextContent::new(
3705 "new content".to_string(),
3706 ))],
3707 window,
3708 cx,
3709 );
3710 });
3711
3712 let text = message_editor.update(cx, |editor, cx| editor.text(cx));
3713 assert_eq!(
3714 text, "new content",
3715 "set_message should replace old content"
3716 );
3717 }
3718
3719 #[gpui::test]
3720 async fn test_append_message_to_empty_editor(cx: &mut TestAppContext) {
3721 init_test(cx);
3722 let (message_editor, cx) = setup_message_editor(cx).await;
3723
3724 message_editor.update_in(cx, |editor, window, cx| {
3725 editor.append_message(
3726 vec![acp::ContentBlock::Text(acp::TextContent::new(
3727 "appended".to_string(),
3728 ))],
3729 Some("\n\n"),
3730 window,
3731 cx,
3732 );
3733 });
3734
3735 let text = message_editor.update(cx, |editor, cx| editor.text(cx));
3736 assert_eq!(
3737 text, "appended",
3738 "No separator should be inserted when the editor is empty"
3739 );
3740 }
3741
3742 #[gpui::test]
3743 async fn test_append_message_to_non_empty_editor(cx: &mut TestAppContext) {
3744 init_test(cx);
3745 let (message_editor, cx) = setup_message_editor(cx).await;
3746
3747 // Seed initial content.
3748 message_editor.update_in(cx, |editor, window, cx| {
3749 editor.set_message(
3750 vec![acp::ContentBlock::Text(acp::TextContent::new(
3751 "initial".to_string(),
3752 ))],
3753 window,
3754 cx,
3755 );
3756 });
3757
3758 // Append with separator.
3759 message_editor.update_in(cx, |editor, window, cx| {
3760 editor.append_message(
3761 vec![acp::ContentBlock::Text(acp::TextContent::new(
3762 "appended".to_string(),
3763 ))],
3764 Some("\n\n"),
3765 window,
3766 cx,
3767 );
3768 });
3769
3770 let text = message_editor.update(cx, |editor, cx| editor.text(cx));
3771 assert_eq!(
3772 text, "initial\n\nappended",
3773 "Separator should appear between existing and appended content"
3774 );
3775 }
3776
3777 #[gpui::test]
3778 async fn test_append_message_preserves_mention_offset(cx: &mut TestAppContext) {
3779 init_test(cx);
3780
3781 let fs = FakeFs::new(cx.executor());
3782 fs.insert_tree("/project", json!({"file.txt": "content"}))
3783 .await;
3784 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
3785
3786 let (multi_workspace, cx) =
3787 cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3788 let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3789 let history = cx.update(|_window, cx| cx.new(|cx| crate::ThreadHistory::new(None, cx)));
3790
3791 let message_editor = cx.update(|window, cx| {
3792 cx.new(|cx| {
3793 MessageEditor::new(
3794 workspace.downgrade(),
3795 project.downgrade(),
3796 None,
3797 history.downgrade(),
3798 None,
3799 Default::default(),
3800 Default::default(),
3801 "Test Agent".into(),
3802 "Test",
3803 EditorMode::AutoHeight {
3804 min_lines: 1,
3805 max_lines: None,
3806 },
3807 window,
3808 cx,
3809 )
3810 })
3811 });
3812
3813 cx.run_until_parked();
3814
3815 // Seed plain-text prefix so the editor is non-empty before appending.
3816 message_editor.update_in(cx, |editor, window, cx| {
3817 editor.set_message(
3818 vec![acp::ContentBlock::Text(acp::TextContent::new(
3819 "prefix text".to_string(),
3820 ))],
3821 window,
3822 cx,
3823 );
3824 });
3825
3826 // Append a message that contains a ResourceLink mention.
3827 message_editor.update_in(cx, |editor, window, cx| {
3828 editor.append_message(
3829 vec![acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
3830 "file.txt",
3831 "file:///project/file.txt",
3832 ))],
3833 Some("\n\n"),
3834 window,
3835 cx,
3836 );
3837 });
3838
3839 cx.run_until_parked();
3840
3841 // The mention should be registered in the mention_set so that contents()
3842 // will emit it as a structured block rather than plain text.
3843 let mention_uris =
3844 message_editor.update(cx, |editor, cx| editor.mention_set.read(cx).mentions());
3845 assert_eq!(
3846 mention_uris.len(),
3847 1,
3848 "Expected exactly one mention in the mention_set after append, got: {mention_uris:?}"
3849 );
3850
3851 // The editor text should start with the prefix, then the separator, then
3852 // the mention placeholder — confirming the offset was computed correctly.
3853 let text = message_editor.update(cx, |editor, cx| editor.text(cx));
3854 assert!(
3855 text.starts_with("prefix text\n\n"),
3856 "Expected text to start with 'prefix text\\n\\n', got: {text:?}"
3857 );
3858 }
3859}