1use std::ops::Range;
2
3use acp_thread::{AcpThread, AgentThreadEntry};
4use agent2::HistoryStore;
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 prompt_store::PromptStore;
14use settings::Settings as _;
15use terminal_view::TerminalView;
16use theme::ThemeSettings;
17use ui::{Context, TextSize};
18use workspace::Workspace;
19
20use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
21
22pub struct EntryViewState {
23 workspace: WeakEntity<Workspace>,
24 project: Entity<Project>,
25 history_store: Entity<HistoryStore>,
26 prompt_store: Option<Entity<PromptStore>>,
27 entries: Vec<Entry>,
28 prevent_slash_commands: bool,
29}
30
31impl EntryViewState {
32 pub fn new(
33 workspace: WeakEntity<Workspace>,
34 project: Entity<Project>,
35 history_store: Entity<HistoryStore>,
36 prompt_store: Option<Entity<PromptStore>>,
37 prevent_slash_commands: bool,
38 ) -> Self {
39 Self {
40 workspace,
41 project,
42 history_store,
43 prompt_store,
44 entries: Vec::new(),
45 prevent_slash_commands,
46 }
47 }
48
49 pub fn entry(&self, index: usize) -> Option<&Entry> {
50 self.entries.get(index)
51 }
52
53 pub fn sync_entry(
54 &mut self,
55 index: usize,
56 thread: &Entity<AcpThread>,
57 window: &mut Window,
58 cx: &mut Context<Self>,
59 ) {
60 let Some(thread_entry) = thread.read(cx).entries().get(index) else {
61 return;
62 };
63
64 match thread_entry {
65 AgentThreadEntry::UserMessage(message) => {
66 let has_id = message.id.is_some();
67 let chunks = message.chunks.clone();
68 if let Some(Entry::UserMessage(editor)) = self.entries.get_mut(index) {
69 if !editor.focus_handle(cx).is_focused(window) {
70 // Only update if we are not editing.
71 // If we are, cancelling the edit will set the message to the newest content.
72 editor.update(cx, |editor, cx| {
73 editor.set_message(chunks, window, cx);
74 });
75 }
76 } else {
77 let message_editor = cx.new(|cx| {
78 let mut editor = MessageEditor::new(
79 self.workspace.clone(),
80 self.project.clone(),
81 self.history_store.clone(),
82 self.prompt_store.clone(),
83 "Edit message － @ to include context",
84 self.prevent_slash_commands,
85 editor::EditorMode::AutoHeight {
86 min_lines: 1,
87 max_lines: None,
88 },
89 window,
90 cx,
91 );
92 if !has_id {
93 editor.set_read_only(true, cx);
94 }
95 editor.set_message(chunks, window, cx);
96 editor
97 });
98 cx.subscribe(&message_editor, move |_, editor, event, cx| {
99 cx.emit(EntryViewEvent {
100 entry_index: index,
101 view_event: ViewEvent::MessageEditorEvent(editor, *event),
102 })
103 })
104 .detach();
105 self.set_entry(index, Entry::UserMessage(message_editor));
106 }
107 }
108 AgentThreadEntry::ToolCall(tool_call) => {
109 let terminals = tool_call.terminals().cloned().collect::<Vec<_>>();
110 let diffs = tool_call.diffs().cloned().collect::<Vec<_>>();
111
112 let views = if let Some(Entry::Content(views)) = self.entries.get_mut(index) {
113 views
114 } else {
115 self.set_entry(index, Entry::empty());
116 let Some(Entry::Content(views)) = self.entries.get_mut(index) else {
117 unreachable!()
118 };
119 views
120 };
121
122 for terminal in terminals {
123 views.entry(terminal.entity_id()).or_insert_with(|| {
124 create_terminal(
125 self.workspace.clone(),
126 self.project.clone(),
127 terminal.clone(),
128 window,
129 cx,
130 )
131 .into_any()
132 });
133 }
134
135 for diff in diffs {
136 views
137 .entry(diff.entity_id())
138 .or_insert_with(|| create_editor_diff(diff.clone(), window, cx).into_any());
139 }
140 }
141 AgentThreadEntry::AssistantMessage(_) => {
142 if index == self.entries.len() {
143 self.entries.push(Entry::empty())
144 }
145 }
146 };
147 }
148
149 fn set_entry(&mut self, index: usize, entry: Entry) {
150 if index == self.entries.len() {
151 self.entries.push(entry);
152 } else {
153 self.entries[index] = entry;
154 }
155 }
156
157 pub fn remove(&mut self, range: Range<usize>) {
158 self.entries.drain(range);
159 }
160
161 pub fn settings_changed(&mut self, cx: &mut App) {
162 for entry in self.entries.iter() {
163 match entry {
164 Entry::UserMessage { .. } => {}
165 Entry::Content(response_views) => {
166 for view in response_views.values() {
167 if let Ok(diff_editor) = view.clone().downcast::<Editor>() {
168 diff_editor.update(cx, |diff_editor, cx| {
169 diff_editor.set_text_style_refinement(
170 diff_editor_text_style_refinement(cx),
171 );
172 cx.notify();
173 })
174 }
175 }
176 }
177 }
178 }
179 }
180}
181
182impl EventEmitter<EntryViewEvent> for EntryViewState {}
183
184pub struct EntryViewEvent {
185 pub entry_index: usize,
186 pub view_event: ViewEvent,
187}
188
189pub enum ViewEvent {
190 MessageEditorEvent(Entity<MessageEditor>, MessageEditorEvent),
191}
192
193#[derive(Debug)]
194pub enum Entry {
195 UserMessage(Entity<MessageEditor>),
196 Content(HashMap<EntityId, AnyEntity>),
197}
198
199impl Entry {
200 pub fn message_editor(&self) -> Option<&Entity<MessageEditor>> {
201 match self {
202 Self::UserMessage(editor) => Some(editor),
203 Entry::Content(_) => None,
204 }
205 }
206
207 pub fn editor_for_diff(&self, diff: &Entity<acp_thread::Diff>) -> Option<Entity<Editor>> {
208 self.content_map()?
209 .get(&diff.entity_id())
210 .cloned()
211 .map(|entity| entity.downcast::<Editor>().unwrap())
212 }
213
214 pub fn terminal(
215 &self,
216 terminal: &Entity<acp_thread::Terminal>,
217 ) -> Option<Entity<TerminalView>> {
218 self.content_map()?
219 .get(&terminal.entity_id())
220 .cloned()
221 .map(|entity| entity.downcast::<TerminalView>().unwrap())
222 }
223
224 fn content_map(&self) -> Option<&HashMap<EntityId, AnyEntity>> {
225 match self {
226 Self::Content(map) => Some(map),
227 _ => None,
228 }
229 }
230
231 fn empty() -> Self {
232 Self::Content(HashMap::default())
233 }
234
235 #[cfg(test)]
236 pub fn has_content(&self) -> bool {
237 match self {
238 Self::Content(map) => !map.is_empty(),
239 Self::UserMessage(_) => false,
240 }
241 }
242}
243
244fn create_terminal(
245 workspace: WeakEntity<Workspace>,
246 project: Entity<Project>,
247 terminal: Entity<acp_thread::Terminal>,
248 window: &mut Window,
249 cx: &mut App,
250) -> Entity<TerminalView> {
251 cx.new(|cx| {
252 let mut view = TerminalView::new(
253 terminal.read(cx).inner().clone(),
254 workspace.clone(),
255 None,
256 project.downgrade(),
257 window,
258 cx,
259 );
260 view.set_embedded_mode(Some(1000), cx);
261 view
262 })
263}
264
265fn create_editor_diff(
266 diff: Entity<acp_thread::Diff>,
267 window: &mut Window,
268 cx: &mut App,
269) -> Entity<Editor> {
270 cx.new(|cx| {
271 let mut editor = Editor::new(
272 EditorMode::Full {
273 scale_ui_elements_with_buffer_font_size: false,
274 show_active_line_background: false,
275 sized_by_content: true,
276 },
277 diff.read(cx).multibuffer().clone(),
278 None,
279 window,
280 cx,
281 );
282 editor.set_show_gutter(false, cx);
283 editor.disable_inline_diagnostics();
284 editor.disable_expand_excerpt_buttons(cx);
285 editor.set_show_vertical_scrollbar(false, cx);
286 editor.set_minimap_visibility(MinimapVisibility::Disabled, window, cx);
287 editor.set_soft_wrap_mode(SoftWrap::None, cx);
288 editor.scroll_manager.set_forbid_vertical_scroll(true);
289 editor.set_show_indent_guides(false, cx);
290 editor.set_read_only(true);
291 editor.set_show_breakpoints(false, cx);
292 editor.set_show_code_actions(false, cx);
293 editor.set_show_git_diff_gutter(false, cx);
294 editor.set_expand_all_diff_hunks(cx);
295 editor.set_text_style_refinement(diff_editor_text_style_refinement(cx));
296 editor
297 })
298}
299
300fn diff_editor_text_style_refinement(cx: &mut App) -> TextStyleRefinement {
301 TextStyleRefinement {
302 font_size: Some(
303 TextSize::Small
304 .rems(cx)
305 .to_pixels(ThemeSettings::get_global(cx).agent_font_size(cx))
306 .into(),
307 ),
308 ..Default::default()
309 }
310}
311
312#[cfg(test)]
313mod tests {
314 use std::{path::Path, rc::Rc};
315
316 use acp_thread::{AgentConnection, StubAgentConnection};
317 use agent_client_protocol as acp;
318 use agent_settings::AgentSettings;
319 use agent2::HistoryStore;
320 use assistant_context::ContextStore;
321 use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
322 use editor::{EditorSettings, RowInfo};
323 use fs::FakeFs;
324 use gpui::{AppContext as _, SemanticVersion, TestAppContext};
325
326 use crate::acp::entry_view_state::EntryViewState;
327 use multi_buffer::MultiBufferRow;
328 use pretty_assertions::assert_matches;
329 use project::Project;
330 use serde_json::json;
331 use settings::{Settings as _, SettingsStore};
332 use theme::ThemeSettings;
333 use util::path;
334 use workspace::Workspace;
335
336 #[gpui::test]
337 async fn test_diff_sync(cx: &mut TestAppContext) {
338 init_test(cx);
339 let fs = FakeFs::new(cx.executor());
340 fs.insert_tree(
341 "/project",
342 json!({
343 "hello.txt": "hi world"
344 }),
345 )
346 .await;
347 let project = Project::test(fs, [Path::new(path!("/project"))], cx).await;
348
349 let (workspace, cx) =
350 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
351
352 let tool_call = acp::ToolCall {
353 id: acp::ToolCallId("tool".into()),
354 title: "Tool call".into(),
355 kind: acp::ToolKind::Other,
356 status: acp::ToolCallStatus::InProgress,
357 content: vec![acp::ToolCallContent::Diff {
358 diff: acp::Diff {
359 path: "/project/hello.txt".into(),
360 old_text: Some("hi world".into()),
361 new_text: "hello world".into(),
362 },
363 }],
364 locations: vec![],
365 raw_input: None,
366 raw_output: None,
367 };
368 let connection = Rc::new(StubAgentConnection::new());
369 let thread = cx
370 .update(|_, cx| {
371 connection
372 .clone()
373 .new_thread(project.clone(), Path::new(path!("/project")), cx)
374 })
375 .await
376 .unwrap();
377 let session_id = thread.update(cx, |thread, _| thread.session_id().clone());
378
379 cx.update(|_, cx| {
380 connection.send_update(session_id, acp::SessionUpdate::ToolCall(tool_call), cx)
381 });
382
383 let context_store = cx.new(|cx| ContextStore::fake(project.clone(), cx));
384 let history_store = cx.new(|cx| HistoryStore::new(context_store, cx));
385
386 let view_state = cx.new(|_cx| {
387 EntryViewState::new(
388 workspace.downgrade(),
389 project.clone(),
390 history_store,
391 None,
392 false,
393 )
394 });
395
396 view_state.update_in(cx, |view_state, window, cx| {
397 view_state.sync_entry(0, &thread, window, cx)
398 });
399
400 let diff = thread.read_with(cx, |thread, _cx| {
401 thread
402 .entries()
403 .get(0)
404 .unwrap()
405 .diffs()
406 .next()
407 .unwrap()
408 .clone()
409 });
410
411 cx.run_until_parked();
412
413 let diff_editor = view_state.read_with(cx, |view_state, _cx| {
414 view_state.entry(0).unwrap().editor_for_diff(&diff).unwrap()
415 });
416 assert_eq!(
417 diff_editor.read_with(cx, |editor, cx| editor.text(cx)),
418 "hi world\nhello world"
419 );
420 let row_infos = diff_editor.read_with(cx, |editor, cx| {
421 let multibuffer = editor.buffer().read(cx);
422 multibuffer
423 .snapshot(cx)
424 .row_infos(MultiBufferRow(0))
425 .collect::<Vec<_>>()
426 });
427 assert_matches!(
428 row_infos.as_slice(),
429 [
430 RowInfo {
431 multibuffer_row: Some(MultiBufferRow(0)),
432 diff_status: Some(DiffHunkStatus {
433 kind: DiffHunkStatusKind::Deleted,
434 ..
435 }),
436 ..
437 },
438 RowInfo {
439 multibuffer_row: Some(MultiBufferRow(1)),
440 diff_status: Some(DiffHunkStatus {
441 kind: DiffHunkStatusKind::Added,
442 ..
443 }),
444 ..
445 }
446 ]
447 );
448 }
449
450 fn init_test(cx: &mut TestAppContext) {
451 cx.update(|cx| {
452 let settings_store = SettingsStore::test(cx);
453 cx.set_global(settings_store);
454 language::init(cx);
455 Project::init_settings(cx);
456 AgentSettings::register(cx);
457 workspace::init_settings(cx);
458 ThemeSettings::register(cx);
459 release_channel::init(SemanticVersion::default(), cx);
460 EditorSettings::register(cx);
461 });
462 }
463}