1use std::sync::Arc;
2
3use editor::{Editor, EditorElement, EditorEvent, EditorStyle};
4use fs::Fs;
5use gpui::{
6 AppContext, DismissEvent, FocusableView, Model, Subscription, TextStyle, View, WeakModel,
7 WeakView,
8};
9use language_model::{LanguageModelRegistry, LanguageModelRequestTool};
10use language_model_selector::LanguageModelSelector;
11use rope::Point;
12use settings::Settings;
13use theme::{get_ui_font_size, ThemeSettings};
14use ui::{
15 prelude::*, ButtonLike, ElevationIndex, KeyBinding, PopoverMenu, PopoverMenuHandle,
16 SwitchWithLabel,
17};
18use workspace::Workspace;
19
20use crate::assistant_model_selector::AssistantModelSelector;
21use crate::context_picker::{ConfirmBehavior, ContextPicker};
22use crate::context_store::ContextStore;
23use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
24use crate::thread::{RequestKind, Thread};
25use crate::thread_store::ThreadStore;
26use crate::{Chat, RemoveAllContext, ToggleContextPicker, ToggleModelSelector};
27
28pub struct MessageEditor {
29 thread: Model<Thread>,
30 editor: View<Editor>,
31 context_store: Model<ContextStore>,
32 context_strip: View<ContextStrip>,
33 context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
34 inline_context_picker: View<ContextPicker>,
35 inline_context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
36 model_selector: View<AssistantModelSelector>,
37 model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
38 use_tools: bool,
39 _subscriptions: Vec<Subscription>,
40}
41
42impl MessageEditor {
43 pub fn new(
44 fs: Arc<dyn Fs>,
45 workspace: WeakView<Workspace>,
46 thread_store: WeakModel<ThreadStore>,
47 thread: Model<Thread>,
48 cx: &mut ViewContext<Self>,
49 ) -> Self {
50 let context_store = cx.new_model(|_cx| ContextStore::new(workspace.clone()));
51 let context_picker_menu_handle = PopoverMenuHandle::default();
52 let inline_context_picker_menu_handle = PopoverMenuHandle::default();
53 let model_selector_menu_handle = PopoverMenuHandle::default();
54
55 let editor = cx.new_view(|cx| {
56 let mut editor = Editor::auto_height(10, cx);
57 editor.set_placeholder_text("Ask anything…", cx);
58 editor.set_show_indent_guides(false, cx);
59
60 editor
61 });
62
63 let inline_context_picker = cx.new_view(|cx| {
64 ContextPicker::new(
65 workspace.clone(),
66 Some(thread_store.clone()),
67 context_store.downgrade(),
68 ConfirmBehavior::Close,
69 cx,
70 )
71 });
72
73 let context_strip = cx.new_view(|cx| {
74 ContextStrip::new(
75 context_store.clone(),
76 workspace.clone(),
77 Some(thread_store.clone()),
78 editor.focus_handle(cx),
79 context_picker_menu_handle.clone(),
80 SuggestContextKind::File,
81 cx,
82 )
83 });
84
85 let subscriptions = vec![
86 cx.subscribe(&editor, Self::handle_editor_event),
87 cx.subscribe(
88 &inline_context_picker,
89 Self::handle_inline_context_picker_event,
90 ),
91 cx.subscribe(&context_strip, Self::handle_context_strip_event),
92 ];
93
94 Self {
95 thread,
96 editor: editor.clone(),
97 context_store,
98 context_strip,
99 context_picker_menu_handle,
100 inline_context_picker,
101 inline_context_picker_menu_handle,
102 model_selector: cx.new_view(|cx| {
103 AssistantModelSelector::new(fs, model_selector_menu_handle.clone(), cx)
104 }),
105 model_selector_menu_handle,
106 use_tools: false,
107 _subscriptions: subscriptions,
108 }
109 }
110
111 fn toggle_model_selector(&mut self, _: &ToggleModelSelector, cx: &mut ViewContext<Self>) {
112 self.model_selector_menu_handle.toggle(cx)
113 }
114
115 fn toggle_context_picker(&mut self, _: &ToggleContextPicker, cx: &mut ViewContext<Self>) {
116 self.context_picker_menu_handle.toggle(cx);
117 }
118
119 pub fn remove_all_context(&mut self, _: &RemoveAllContext, cx: &mut ViewContext<Self>) {
120 self.context_store.update(cx, |store, _cx| store.clear());
121 cx.notify();
122 }
123
124 fn chat(&mut self, _: &Chat, cx: &mut ViewContext<Self>) {
125 self.send_to_model(RequestKind::Chat, cx);
126 }
127
128 fn send_to_model(
129 &mut self,
130 request_kind: RequestKind,
131 cx: &mut ViewContext<Self>,
132 ) -> Option<()> {
133 let provider = LanguageModelRegistry::read_global(cx).active_provider();
134 if provider
135 .as_ref()
136 .map_or(false, |provider| provider.must_accept_terms(cx))
137 {
138 cx.notify();
139 return None;
140 }
141
142 let model_registry = LanguageModelRegistry::read_global(cx);
143 let model = model_registry.active_model()?;
144
145 let user_message = self.editor.update(cx, |editor, cx| {
146 let text = editor.text(cx);
147 editor.clear(cx);
148 text
149 });
150
151 let thread = self.thread.clone();
152 thread.update(cx, |thread, cx| {
153 let context = self.context_store.read(cx).snapshot(cx).collect::<Vec<_>>();
154 thread.insert_user_message(user_message, context, cx);
155 let mut request = thread.to_completion_request(request_kind, cx);
156
157 if self.use_tools {
158 request.tools = thread
159 .tools()
160 .tools(cx)
161 .into_iter()
162 .map(|tool| LanguageModelRequestTool {
163 name: tool.name(),
164 description: tool.description(),
165 input_schema: tool.input_schema(),
166 })
167 .collect();
168 }
169
170 thread.stream_completion(request, model, cx)
171 });
172
173 None
174 }
175
176 fn handle_editor_event(
177 &mut self,
178 editor: View<Editor>,
179 event: &EditorEvent,
180 cx: &mut ViewContext<Self>,
181 ) {
182 match event {
183 EditorEvent::SelectionsChanged { .. } => {
184 editor.update(cx, |editor, cx| {
185 let snapshot = editor.buffer().read(cx).snapshot(cx);
186 let newest_cursor = editor.selections.newest::<Point>(cx).head();
187 if newest_cursor.column > 0 {
188 let behind_cursor = Point::new(newest_cursor.row, newest_cursor.column - 1);
189 let char_behind_cursor = snapshot.chars_at(behind_cursor).next();
190 if char_behind_cursor == Some('@') {
191 self.inline_context_picker_menu_handle.show(cx);
192 }
193 }
194 });
195 }
196 _ => {}
197 }
198 }
199
200 fn handle_inline_context_picker_event(
201 &mut self,
202 _inline_context_picker: View<ContextPicker>,
203 _event: &DismissEvent,
204 cx: &mut ViewContext<Self>,
205 ) {
206 let editor_focus_handle = self.editor.focus_handle(cx);
207 cx.focus(&editor_focus_handle);
208 }
209
210 fn handle_context_strip_event(
211 &mut self,
212 _context_strip: View<ContextStrip>,
213 ContextStripEvent::PickerDismissed: &ContextStripEvent,
214 cx: &mut ViewContext<Self>,
215 ) {
216 let editor_focus_handle = self.editor.focus_handle(cx);
217 cx.focus(&editor_focus_handle);
218 }
219}
220
221impl FocusableView for MessageEditor {
222 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
223 self.editor.focus_handle(cx)
224 }
225}
226
227impl Render for MessageEditor {
228 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
229 let font_size = TextSize::Default.rems(cx);
230 let line_height = font_size.to_pixels(cx.rem_size()) * 1.5;
231 let focus_handle = self.editor.focus_handle(cx);
232 let inline_context_picker = self.inline_context_picker.clone();
233 let bg_color = cx.theme().colors().editor_background;
234
235 v_flex()
236 .key_context("MessageEditor")
237 .on_action(cx.listener(Self::chat))
238 .on_action(cx.listener(Self::toggle_model_selector))
239 .on_action(cx.listener(Self::toggle_context_picker))
240 .on_action(cx.listener(Self::remove_all_context))
241 .size_full()
242 .gap_2()
243 .p_2()
244 .bg(bg_color)
245 .child(self.context_strip.clone())
246 .child(
247 v_flex()
248 .gap_4()
249 .child({
250 let settings = ThemeSettings::get_global(cx);
251 let text_style = TextStyle {
252 color: cx.theme().colors().text,
253 font_family: settings.ui_font.family.clone(),
254 font_features: settings.ui_font.features.clone(),
255 font_size: font_size.into(),
256 font_weight: settings.ui_font.weight,
257 line_height: line_height.into(),
258 ..Default::default()
259 };
260
261 EditorElement::new(
262 &self.editor,
263 EditorStyle {
264 background: bg_color,
265 local_player: cx.theme().players().local(),
266 text: text_style,
267 ..Default::default()
268 },
269 )
270 })
271 .child(
272 PopoverMenu::new("inline-context-picker")
273 .menu(move |_cx| Some(inline_context_picker.clone()))
274 .attach(gpui::Corner::TopLeft)
275 .anchor(gpui::Corner::BottomLeft)
276 .offset(gpui::Point {
277 x: px(0.0),
278 y: (-get_ui_font_size(cx) * 2) - px(4.0),
279 })
280 .with_handle(self.inline_context_picker_menu_handle.clone()),
281 )
282 .child(
283 h_flex()
284 .justify_between()
285 .child(SwitchWithLabel::new(
286 "use-tools",
287 Label::new("Tools").size(LabelSize::Small),
288 self.use_tools.into(),
289 cx.listener(|this, selection, _cx| {
290 this.use_tools = match selection {
291 ToggleState::Selected => true,
292 ToggleState::Unselected | ToggleState::Indeterminate => {
293 false
294 }
295 };
296 }),
297 ))
298 .child(
299 h_flex().gap_1().child(self.model_selector.clone()).child(
300 ButtonLike::new("chat")
301 .style(ButtonStyle::Filled)
302 .layer(ElevationIndex::ModalSurface)
303 .child(Label::new("Submit").size(LabelSize::Small))
304 .children(
305 KeyBinding::for_action_in(&Chat, &focus_handle, cx)
306 .map(|binding| binding.into_any_element()),
307 )
308 .on_click(move |_event, cx| {
309 focus_handle.dispatch_action(&Chat, cx);
310 }),
311 ),
312 ),
313 ),
314 )
315 }
316}