create driven example for tui renderer

packages/native-core/src/lib.rs

@@ -35,10 +35,8 @@ pub type FxDashMap<K, V> = dashmap::DashMap<K, V, BuildHasherDefault<FxHasher>>;
 pub type FxDashSet<K> = dashmap::DashSet<K, BuildHasherDefault<FxHasher>>;
 pub type SendAnyMap = anymap::Map<dyn Any + Send + Sync + 'static>;
 
-pub trait Renderer<V: FromAnyValue + Send + Sync, E> {
+pub trait Renderer<E, V: FromAnyValue + Send + Sync = ()> {
     fn render(&mut self, root: NodeMut<V>);
-    fn handle_event(&mut self, node: NodeMut<V>, event: &str, value: E);
-    fn poll_async(&mut self) -> Pin<Box<dyn Future<Output = ()> + Send>> {
-        Box::pin(async {})
-    }
+    fn handle_event(&mut self, node: NodeMut<V>, event: &str, value: E, bubbles: bool);
+    fn poll_async(&mut self) -> Pin<Box<dyn Future<Output = ()> + Send>>;
 }