event handler on events

src/main.rs

@@ -1,6 +1,6 @@
 use osui::{
     element::input::{Input, InputUpdateEvent},
-    events::EventManager,
+    events::{Close, EventManager},
     extensions::{keypress::KeyPressExtension, ExtensionManager},
     style::Transform,
     Screen,
@@ -12,23 +12,13 @@ fn main() {
     let mut events = EventManager::new();
     extensions.add(KeyPressExtension);
 
-    let widget = screen.draw(Input::new()).component(Transform::center());
+    screen.draw(Input::new()).component(Transform::center());
 
-    let input_event = widget
-        .0
-        .as_any()
-        .downcast_ref::<Input>()
-        .unwrap()
-        .get_event();
-
-    input_event
-        .lock()
-        .unwrap()
-        .on(|event: Box<InputUpdateEvent>| {
-            if event.0 == "quit" {
-                std::process::exit(0)
-            }
-        });
+    events.on(|events, event: Box<InputUpdateEvent>| {
+        if event.0 == "quit" {
+            events.dispatch(Close);
+        }
+    });
 
     screen.run(&mut events, &mut extensions).unwrap();
 }