1use std::ops::Range;
2
3use acp_thread::{AcpThread, AgentThreadEntry};
4use agent::{TextThreadStore, ThreadStore};
5use collections::HashMap;
6use editor::{Editor, EditorMode, MinimapVisibility};
7use gpui::{
8 AnyEntity, App, AppContext as _, Entity, EntityId, EventEmitter, Focusable,
9 TextStyleRefinement, WeakEntity, Window,
10};
11use language::language_settings::SoftWrap;
12use project::Project;
13use settings::Settings as _;
14use terminal_view::TerminalView;
15use theme::ThemeSettings;
16use ui::{Context, TextSize};
17use workspace::Workspace;
18
19use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
20
21pub struct EntryViewState {
22 workspace: WeakEntity<Workspace>,
23 project: Entity<Project>,
24 thread_store: Entity<ThreadStore>,
25 text_thread_store: Entity<TextThreadStore>,
26 entries: Vec<Entry>,
27}
28
29impl EntryViewState {
30 pub fn new(
31 workspace: WeakEntity<Workspace>,
32 project: Entity<Project>,
33 thread_store: Entity<ThreadStore>,
34 text_thread_store: Entity<TextThreadStore>,
35 ) -> Self {
36 Self {
37 workspace,
38 project,
39 thread_store,
40 text_thread_store,
41 entries: Vec::new(),
42 }
43 }
44
45 pub fn entry(&self, index: usize) -> Option<&Entry> {
46 self.entries.get(index)
47 }
48
49 pub fn sync_entry(
50 &mut self,
51 index: usize,
52 thread: &Entity<AcpThread>,
53 window: &mut Window,
54 cx: &mut Context<Self>,
55 ) {
56 let Some(thread_entry) = thread.read(cx).entries().get(index) else {
57 return;
58 };
59
60 match thread_entry {
61 AgentThreadEntry::UserMessage(message) => {
62 let has_id = message.id.is_some();
63 let chunks = message.chunks.clone();
64 if let Some(Entry::UserMessage(editor)) = self.entries.get_mut(index) {
65 if !editor.focus_handle(cx).is_focused(window) {
66 // Only update if we are not editing.
67 // If we are, cancelling the edit will set the message to the newest content.
68 editor.update(cx, |editor, cx| {
69 editor.set_message(chunks, window, cx);
70 });
71 }
72 } else {
73 let message_editor = cx.new(|cx| {
74 let mut editor = MessageEditor::new(
75 self.workspace.clone(),
76 self.project.clone(),
77 self.thread_store.clone(),
78 self.text_thread_store.clone(),
79 "Edit message - @ to include context",
80 editor::EditorMode::AutoHeight {
81 min_lines: 1,
82 max_lines: None,
83 },
84 window,
85 cx,
86 );
87 if !has_id {
88 editor.set_read_only(true, cx);
89 }
90 editor.set_message(chunks, window, cx);
91 editor
92 });
93 cx.subscribe(&message_editor, move |_, editor, event, cx| {
94 cx.emit(EntryViewEvent {
95 entry_index: index,
96 view_event: ViewEvent::MessageEditorEvent(editor, *event),
97 })
98 })
99 .detach();
100 self.set_entry(index, Entry::UserMessage(message_editor));
101 }
102 }
103 AgentThreadEntry::ToolCall(tool_call) => {
104 let terminals = tool_call.terminals().cloned().collect::<Vec<_>>();
105 let diffs = tool_call.diffs().cloned().collect::<Vec<_>>();
106
107 let views = if let Some(Entry::Content(views)) = self.entries.get_mut(index) {
108 views
109 } else {
110 self.set_entry(index, Entry::empty());
111 let Some(Entry::Content(views)) = self.entries.get_mut(index) else {
112 unreachable!()
113 };
114 views
115 };
116
117 for terminal in terminals {
118 views.entry(terminal.entity_id()).or_insert_with(|| {
119 create_terminal(
120 self.workspace.clone(),
121 self.project.clone(),
122 terminal.clone(),
123 window,
124 cx,
125 )
126 .into_any()
127 });
128 }
129
130 for diff in diffs {
131 views
132 .entry(diff.entity_id())
133 .or_insert_with(|| create_editor_diff(diff.clone(), window, cx).into_any());
134 }
135 }
136 AgentThreadEntry::AssistantMessage(_) => {
137 if index == self.entries.len() {
138 self.entries.push(Entry::empty())
139 }
140 }
141 };
142 }
143
144 fn set_entry(&mut self, index: usize, entry: Entry) {
145 if index == self.entries.len() {
146 self.entries.push(entry);
147 } else {
148 self.entries[index] = entry;
149 }
150 }
151
152 pub fn remove(&mut self, range: Range<usize>) {
153 self.entries.drain(range);
154 }
155
156 pub fn settings_changed(&mut self, cx: &mut App) {
157 for entry in self.entries.iter() {
158 match entry {
159 Entry::UserMessage { .. } => {}
160 Entry::Content(response_views) => {
161 for view in response_views.values() {
162 if let Ok(diff_editor) = view.clone().downcast::<Editor>() {
163 diff_editor.update(cx, |diff_editor, cx| {
164 diff_editor.set_text_style_refinement(
165 diff_editor_text_style_refinement(cx),
166 );
167 cx.notify();
168 })
169 }
170 }
171 }
172 }
173 }
174 }
175}
176
177impl EventEmitter<EntryViewEvent> for EntryViewState {}
178
179pub struct EntryViewEvent {
180 pub entry_index: usize,
181 pub view_event: ViewEvent,
182}
183
184pub enum ViewEvent {
185 MessageEditorEvent(Entity<MessageEditor>, MessageEditorEvent),
186}
187
188pub enum Entry {
189 UserMessage(Entity<MessageEditor>),
190 Content(HashMap<EntityId, AnyEntity>),
191}
192
193impl Entry {
194 pub fn message_editor(&self) -> Option<&Entity<MessageEditor>> {
195 match self {
196 Self::UserMessage(editor) => Some(editor),
197 Entry::Content(_) => None,
198 }
199 }
200
201 pub fn editor_for_diff(&self, diff: &Entity<acp_thread::Diff>) -> Option<Entity<Editor>> {
202 self.content_map()?
203 .get(&diff.entity_id())
204 .cloned()
205 .map(|entity| entity.downcast::<Editor>().unwrap())
206 }
207
208 pub fn terminal(
209 &self,
210 terminal: &Entity<acp_thread::Terminal>,
211 ) -> Option<Entity<TerminalView>> {
212 self.content_map()?
213 .get(&terminal.entity_id())
214 .cloned()
215 .map(|entity| entity.downcast::<TerminalView>().unwrap())
216 }
217
218 fn content_map(&self) -> Option<&HashMap<EntityId, AnyEntity>> {
219 match self {
220 Self::Content(map) => Some(map),
221 _ => None,
222 }
223 }
224
225 fn empty() -> Self {
226 Self::Content(HashMap::default())
227 }
228
229 #[cfg(test)]
230 pub fn has_content(&self) -> bool {
231 match self {
232 Self::Content(map) => !map.is_empty(),
233 Self::UserMessage(_) => false,
234 }
235 }
236}
237
238fn create_terminal(
239 workspace: WeakEntity<Workspace>,
240 project: Entity<Project>,
241 terminal: Entity<acp_thread::Terminal>,
242 window: &mut Window,
243 cx: &mut App,
244) -> Entity<TerminalView> {
245 cx.new(|cx| {
246 let mut view = TerminalView::new(
247 terminal.read(cx).inner().clone(),
248 workspace.clone(),
249 None,
250 project.downgrade(),
251 window,
252 cx,
253 );
254 view.set_embedded_mode(Some(1000), cx);
255 view
256 })
257}
258
259fn create_editor_diff(
260 diff: Entity<acp_thread::Diff>,
261 window: &mut Window,
262 cx: &mut App,
263) -> Entity<Editor> {
264 cx.new(|cx| {
265 let mut editor = Editor::new(
266 EditorMode::Full {
267 scale_ui_elements_with_buffer_font_size: false,
268 show_active_line_background: false,
269 sized_by_content: true,
270 },
271 diff.read(cx).multibuffer().clone(),
272 None,
273 window,
274 cx,
275 );
276 editor.set_show_gutter(false, cx);
277 editor.disable_inline_diagnostics();
278 editor.disable_expand_excerpt_buttons(cx);
279 editor.set_show_vertical_scrollbar(false, cx);
280 editor.set_minimap_visibility(MinimapVisibility::Disabled, window, cx);
281 editor.set_soft_wrap_mode(SoftWrap::None, cx);
282 editor.scroll_manager.set_forbid_vertical_scroll(true);
283 editor.set_show_indent_guides(false, cx);
284 editor.set_read_only(true);
285 editor.set_show_breakpoints(false, cx);
286 editor.set_show_code_actions(false, cx);
287 editor.set_show_git_diff_gutter(false, cx);
288 editor.set_expand_all_diff_hunks(cx);
289 editor.set_text_style_refinement(diff_editor_text_style_refinement(cx));
290 editor
291 })
292}
293
294fn diff_editor_text_style_refinement(cx: &mut App) -> TextStyleRefinement {
295 TextStyleRefinement {
296 font_size: Some(
297 TextSize::Small
298 .rems(cx)
299 .to_pixels(ThemeSettings::get_global(cx).agent_font_size(cx))
300 .into(),
301 ),
302 ..Default::default()
303 }
304}
305
306#[cfg(test)]
307mod tests {
308 use std::{path::Path, rc::Rc};
309
310 use acp_thread::{AgentConnection, StubAgentConnection};
311 use agent::{TextThreadStore, ThreadStore};
312 use agent_client_protocol as acp;
313 use agent_settings::AgentSettings;
314 use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
315 use editor::{EditorSettings, RowInfo};
316 use fs::FakeFs;
317 use gpui::{AppContext as _, SemanticVersion, TestAppContext};
318
319 use crate::acp::entry_view_state::EntryViewState;
320 use multi_buffer::MultiBufferRow;
321 use pretty_assertions::assert_matches;
322 use project::Project;
323 use serde_json::json;
324 use settings::{Settings as _, SettingsStore};
325 use theme::ThemeSettings;
326 use util::path;
327 use workspace::Workspace;
328
329 #[gpui::test]
330 async fn test_diff_sync(cx: &mut TestAppContext) {
331 init_test(cx);
332 let fs = FakeFs::new(cx.executor());
333 fs.insert_tree(
334 "/project",
335 json!({
336 "hello.txt": "hi world"
337 }),
338 )
339 .await;
340 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
341
342 let (workspace, cx) =
343 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
344
345 let tool_call = acp::ToolCall {
346 id: acp::ToolCallId("tool".into()),
347 title: "Tool call".into(),
348 kind: acp::ToolKind::Other,
349 status: acp::ToolCallStatus::InProgress,
350 content: vec![acp::ToolCallContent::Diff {
351 diff: acp::Diff {
352 path: "/project/hello.txt".into(),
353 old_text: Some("hi world".into()),
354 new_text: "hello world".into(),
355 },
356 }],
357 locations: vec![],
358 raw_input: None,
359 raw_output: None,
360 };
361 let connection = Rc::new(StubAgentConnection::new());
362 let thread = cx
363 .update(|_, cx| {
364 connection
365 .clone()
366 .new_thread(project.clone(), Path::new(path!("/project")), cx)
367 })
368 .await
369 .unwrap();
370 let session_id = thread.update(cx, |thread, _| thread.session_id().clone());
371
372 cx.update(|_, cx| {
373 connection.send_update(session_id, acp::SessionUpdate::ToolCall(tool_call), cx)
374 });
375
376 let thread_store = cx.new(|cx| ThreadStore::fake(project.clone(), cx));
377 let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
378
379 let view_state = cx.new(|_cx| {
380 EntryViewState::new(
381 workspace.downgrade(),
382 project.clone(),
383 thread_store,
384 text_thread_store,
385 )
386 });
387
388 view_state.update_in(cx, |view_state, window, cx| {
389 view_state.sync_entry(0, &thread, window, cx)
390 });
391
392 let diff = thread.read_with(cx, |thread, _cx| {
393 thread
394 .entries()
395 .get(0)
396 .unwrap()
397 .diffs()
398 .next()
399 .unwrap()
400 .clone()
401 });
402
403 cx.run_until_parked();
404
405 let diff_editor = view_state.read_with(cx, |view_state, _cx| {
406 view_state.entry(0).unwrap().editor_for_diff(&diff).unwrap()
407 });
408 assert_eq!(
409 diff_editor.read_with(cx, |editor, cx| editor.text(cx)),
410 "hi world\nhello world"
411 );
412 let row_infos = diff_editor.read_with(cx, |editor, cx| {
413 let multibuffer = editor.buffer().read(cx);
414 multibuffer
415 .snapshot(cx)
416 .row_infos(MultiBufferRow(0))
417 .collect::<Vec<_>>()
418 });
419 assert_matches!(
420 row_infos.as_slice(),
421 [
422 RowInfo {
423 multibuffer_row: Some(MultiBufferRow(0)),
424 diff_status: Some(DiffHunkStatus {
425 kind: DiffHunkStatusKind::Deleted,
426 ..
427 }),
428 ..
429 },
430 RowInfo {
431 multibuffer_row: Some(MultiBufferRow(1)),
432 diff_status: Some(DiffHunkStatus {
433 kind: DiffHunkStatusKind::Added,
434 ..
435 }),
436 ..
437 }
438 ]
439 );
440 }
441
442 fn init_test(cx: &mut TestAppContext) {
443 cx.update(|cx| {
444 let settings_store = SettingsStore::test(cx);
445 cx.set_global(settings_store);
446 language::init(cx);
447 Project::init_settings(cx);
448 AgentSettings::register(cx);
449 workspace::init_settings(cx);
450 ThemeSettings::register(cx);
451 release_channel::init(SemanticVersion::default(), cx);
452 EditorSettings::register(cx);
453 });
454 }
455}