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 prevent_slash_commands: bool,
28}
29
30impl EntryViewState {
31 pub fn new(
32 workspace: WeakEntity<Workspace>,
33 project: Entity<Project>,
34 thread_store: Entity<ThreadStore>,
35 text_thread_store: Entity<TextThreadStore>,
36 prevent_slash_commands: bool,
37 ) -> Self {
38 Self {
39 workspace,
40 project,
41 thread_store,
42 text_thread_store,
43 entries: Vec::new(),
44 prevent_slash_commands,
45 }
46 }
47
48 pub fn entry(&self, index: usize) -> Option<&Entry> {
49 self.entries.get(index)
50 }
51
52 pub fn sync_entry(
53 &mut self,
54 index: usize,
55 thread: &Entity<AcpThread>,
56 window: &mut Window,
57 cx: &mut Context<Self>,
58 ) {
59 let Some(thread_entry) = thread.read(cx).entries().get(index) else {
60 return;
61 };
62
63 match thread_entry {
64 AgentThreadEntry::UserMessage(message) => {
65 let has_id = message.id.is_some();
66 let chunks = message.chunks.clone();
67 if let Some(Entry::UserMessage(editor)) = self.entries.get_mut(index) {
68 if !editor.focus_handle(cx).is_focused(window) {
69 // Only update if we are not editing.
70 // If we are, cancelling the edit will set the message to the newest content.
71 editor.update(cx, |editor, cx| {
72 editor.set_message(chunks, window, cx);
73 });
74 }
75 } else {
76 let message_editor = cx.new(|cx| {
77 let mut editor = MessageEditor::new(
78 self.workspace.clone(),
79 self.project.clone(),
80 self.thread_store.clone(),
81 self.text_thread_store.clone(),
82 "Edit message － @ to include context",
83 self.prevent_slash_commands,
84 editor::EditorMode::AutoHeight {
85 min_lines: 1,
86 max_lines: None,
87 },
88 window,
89 cx,
90 );
91 if !has_id {
92 editor.set_read_only(true, cx);
93 }
94 editor.set_message(chunks, window, cx);
95 editor
96 });
97 cx.subscribe(&message_editor, move |_, editor, event, cx| {
98 cx.emit(EntryViewEvent {
99 entry_index: index,
100 view_event: ViewEvent::MessageEditorEvent(editor, *event),
101 })
102 })
103 .detach();
104 self.set_entry(index, Entry::UserMessage(message_editor));
105 }
106 }
107 AgentThreadEntry::ToolCall(tool_call) => {
108 let terminals = tool_call.terminals().cloned().collect::<Vec<_>>();
109 let diffs = tool_call.diffs().cloned().collect::<Vec<_>>();
110
111 let views = if let Some(Entry::Content(views)) = self.entries.get_mut(index) {
112 views
113 } else {
114 self.set_entry(index, Entry::empty());
115 let Some(Entry::Content(views)) = self.entries.get_mut(index) else {
116 unreachable!()
117 };
118 views
119 };
120
121 for terminal in terminals {
122 views.entry(terminal.entity_id()).or_insert_with(|| {
123 create_terminal(
124 self.workspace.clone(),
125 self.project.clone(),
126 terminal.clone(),
127 window,
128 cx,
129 )
130 .into_any()
131 });
132 }
133
134 for diff in diffs {
135 views
136 .entry(diff.entity_id())
137 .or_insert_with(|| create_editor_diff(diff.clone(), window, cx).into_any());
138 }
139 }
140 AgentThreadEntry::AssistantMessage(_) => {
141 if index == self.entries.len() {
142 self.entries.push(Entry::empty())
143 }
144 }
145 };
146 }
147
148 fn set_entry(&mut self, index: usize, entry: Entry) {
149 if index == self.entries.len() {
150 self.entries.push(entry);
151 } else {
152 self.entries[index] = entry;
153 }
154 }
155
156 pub fn remove(&mut self, range: Range<usize>) {
157 self.entries.drain(range);
158 }
159
160 pub fn settings_changed(&mut self, cx: &mut App) {
161 for entry in self.entries.iter() {
162 match entry {
163 Entry::UserMessage { .. } => {}
164 Entry::Content(response_views) => {
165 for view in response_views.values() {
166 if let Ok(diff_editor) = view.clone().downcast::<Editor>() {
167 diff_editor.update(cx, |diff_editor, cx| {
168 diff_editor.set_text_style_refinement(
169 diff_editor_text_style_refinement(cx),
170 );
171 cx.notify();
172 })
173 }
174 }
175 }
176 }
177 }
178 }
179}
180
181impl EventEmitter<EntryViewEvent> for EntryViewState {}
182
183pub struct EntryViewEvent {
184 pub entry_index: usize,
185 pub view_event: ViewEvent,
186}
187
188pub enum ViewEvent {
189 MessageEditorEvent(Entity<MessageEditor>, MessageEditorEvent),
190}
191
192pub enum Entry {
193 UserMessage(Entity<MessageEditor>),
194 Content(HashMap<EntityId, AnyEntity>),
195}
196
197impl Entry {
198 pub fn message_editor(&self) -> Option<&Entity<MessageEditor>> {
199 match self {
200 Self::UserMessage(editor) => Some(editor),
201 Entry::Content(_) => None,
202 }
203 }
204
205 pub fn editor_for_diff(&self, diff: &Entity<acp_thread::Diff>) -> Option<Entity<Editor>> {
206 self.content_map()?
207 .get(&diff.entity_id())
208 .cloned()
209 .map(|entity| entity.downcast::<Editor>().unwrap())
210 }
211
212 pub fn terminal(
213 &self,
214 terminal: &Entity<acp_thread::Terminal>,
215 ) -> Option<Entity<TerminalView>> {
216 self.content_map()?
217 .get(&terminal.entity_id())
218 .cloned()
219 .map(|entity| entity.downcast::<TerminalView>().unwrap())
220 }
221
222 fn content_map(&self) -> Option<&HashMap<EntityId, AnyEntity>> {
223 match self {
224 Self::Content(map) => Some(map),
225 _ => None,
226 }
227 }
228
229 fn empty() -> Self {
230 Self::Content(HashMap::default())
231 }
232
233 #[cfg(test)]
234 pub fn has_content(&self) -> bool {
235 match self {
236 Self::Content(map) => !map.is_empty(),
237 Self::UserMessage(_) => false,
238 }
239 }
240}
241
242fn create_terminal(
243 workspace: WeakEntity<Workspace>,
244 project: Entity<Project>,
245 terminal: Entity<acp_thread::Terminal>,
246 window: &mut Window,
247 cx: &mut App,
248) -> Entity<TerminalView> {
249 cx.new(|cx| {
250 let mut view = TerminalView::new(
251 terminal.read(cx).inner().clone(),
252 workspace.clone(),
253 None,
254 project.downgrade(),
255 window,
256 cx,
257 );
258 view.set_embedded_mode(Some(1000), cx);
259 view
260 })
261}
262
263fn create_editor_diff(
264 diff: Entity<acp_thread::Diff>,
265 window: &mut Window,
266 cx: &mut App,
267) -> Entity<Editor> {
268 cx.new(|cx| {
269 let mut editor = Editor::new(
270 EditorMode::Full {
271 scale_ui_elements_with_buffer_font_size: false,
272 show_active_line_background: false,
273 sized_by_content: true,
274 },
275 diff.read(cx).multibuffer().clone(),
276 None,
277 window,
278 cx,
279 );
280 editor.set_show_gutter(false, cx);
281 editor.disable_inline_diagnostics();
282 editor.disable_expand_excerpt_buttons(cx);
283 editor.set_show_vertical_scrollbar(false, cx);
284 editor.set_minimap_visibility(MinimapVisibility::Disabled, window, cx);
285 editor.set_soft_wrap_mode(SoftWrap::None, cx);
286 editor.scroll_manager.set_forbid_vertical_scroll(true);
287 editor.set_show_indent_guides(false, cx);
288 editor.set_read_only(true);
289 editor.set_show_breakpoints(false, cx);
290 editor.set_show_code_actions(false, cx);
291 editor.set_show_git_diff_gutter(false, cx);
292 editor.set_expand_all_diff_hunks(cx);
293 editor.set_text_style_refinement(diff_editor_text_style_refinement(cx));
294 editor
295 })
296}
297
298fn diff_editor_text_style_refinement(cx: &mut App) -> TextStyleRefinement {
299 TextStyleRefinement {
300 font_size: Some(
301 TextSize::Small
302 .rems(cx)
303 .to_pixels(ThemeSettings::get_global(cx).agent_font_size(cx))
304 .into(),
305 ),
306 ..Default::default()
307 }
308}
309
310#[cfg(test)]
311mod tests {
312 use std::{path::Path, rc::Rc};
313
314 use acp_thread::{AgentConnection, StubAgentConnection};
315 use agent::{TextThreadStore, ThreadStore};
316 use agent_client_protocol as acp;
317 use agent_settings::AgentSettings;
318 use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
319 use editor::{EditorSettings, RowInfo};
320 use fs::FakeFs;
321 use gpui::{AppContext as _, SemanticVersion, TestAppContext};
322
323 use crate::acp::entry_view_state::EntryViewState;
324 use multi_buffer::MultiBufferRow;
325 use pretty_assertions::assert_matches;
326 use project::Project;
327 use serde_json::json;
328 use settings::{Settings as _, SettingsStore};
329 use theme::ThemeSettings;
330 use util::path;
331 use workspace::Workspace;
332
333 #[gpui::test]
334 async fn test_diff_sync(cx: &mut TestAppContext) {
335 init_test(cx);
336 let fs = FakeFs::new(cx.executor());
337 fs.insert_tree(
338 "/project",
339 json!({
340 "hello.txt": "hi world"
341 }),
342 )
343 .await;
344 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
345
346 let (workspace, cx) =
347 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
348
349 let tool_call = acp::ToolCall {
350 id: acp::ToolCallId("tool".into()),
351 title: "Tool call".into(),
352 kind: acp::ToolKind::Other,
353 status: acp::ToolCallStatus::InProgress,
354 content: vec![acp::ToolCallContent::Diff {
355 diff: acp::Diff {
356 path: "/project/hello.txt".into(),
357 old_text: Some("hi world".into()),
358 new_text: "hello world".into(),
359 },
360 }],
361 locations: vec![],
362 raw_input: None,
363 raw_output: None,
364 };
365 let connection = Rc::new(StubAgentConnection::new());
366 let thread = cx
367 .update(|_, cx| {
368 connection
369 .clone()
370 .new_thread(project.clone(), Path::new(path!("/project")), cx)
371 })
372 .await
373 .unwrap();
374 let session_id = thread.update(cx, |thread, _| thread.session_id().clone());
375
376 cx.update(|_, cx| {
377 connection.send_update(session_id, acp::SessionUpdate::ToolCall(tool_call), cx)
378 });
379
380 let thread_store = cx.new(|cx| ThreadStore::fake(project.clone(), cx));
381 let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
382
383 let view_state = cx.new(|_cx| {
384 EntryViewState::new(
385 workspace.downgrade(),
386 project.clone(),
387 thread_store,
388 text_thread_store,
389 false,
390 )
391 });
392
393 view_state.update_in(cx, |view_state, window, cx| {
394 view_state.sync_entry(0, &thread, window, cx)
395 });
396
397 let diff = thread.read_with(cx, |thread, _cx| {
398 thread
399 .entries()
400 .get(0)
401 .unwrap()
402 .diffs()
403 .next()
404 .unwrap()
405 .clone()
406 });
407
408 cx.run_until_parked();
409
410 let diff_editor = view_state.read_with(cx, |view_state, _cx| {
411 view_state.entry(0).unwrap().editor_for_diff(&diff).unwrap()
412 });
413 assert_eq!(
414 diff_editor.read_with(cx, |editor, cx| editor.text(cx)),
415 "hi world\nhello world"
416 );
417 let row_infos = diff_editor.read_with(cx, |editor, cx| {
418 let multibuffer = editor.buffer().read(cx);
419 multibuffer
420 .snapshot(cx)
421 .row_infos(MultiBufferRow(0))
422 .collect::<Vec<_>>()
423 });
424 assert_matches!(
425 row_infos.as_slice(),
426 [
427 RowInfo {
428 multibuffer_row: Some(MultiBufferRow(0)),
429 diff_status: Some(DiffHunkStatus {
430 kind: DiffHunkStatusKind::Deleted,
431 ..
432 }),
433 ..
434 },
435 RowInfo {
436 multibuffer_row: Some(MultiBufferRow(1)),
437 diff_status: Some(DiffHunkStatus {
438 kind: DiffHunkStatusKind::Added,
439 ..
440 }),
441 ..
442 }
443 ]
444 );
445 }
446
447 fn init_test(cx: &mut TestAppContext) {
448 cx.update(|cx| {
449 let settings_store = SettingsStore::test(cx);
450 cx.set_global(settings_store);
451 language::init(cx);
452 Project::init_settings(cx);
453 AgentSettings::register(cx);
454 workspace::init_settings(cx);
455 ThemeSettings::register(cx);
456 release_channel::init(SemanticVersion::default(), cx);
457 EditorSettings::register(cx);
458 });
459 }
460}