State management

examples/hello_world.rs

@@ -1,4 +1,4 @@
-use osui::{Context, Event, Node};
+use osui::{state::use_state, Context, Event, Node};
 
 pub struct ClickEvent;
 
@@ -10,10 +10,18 @@ impl Event for ClickEvent {
 
 fn app(cx: &mut Context) -> Node {
     // Hooks
-    cx.event(|_: &ClickEvent| {});
+    let count = use_state(0);
+    cx.event({
+        let count = count.clone();
+        move |_: &ClickEvent| {
+            **count.get() += 1;
+        }
+    });
 
-    Box::new(|renderer| {
-        renderer.draw_text("Hello, World!", 0, 0).unwrap();
+    Box::new(move |renderer| {
+        renderer
+            .draw_text(&format!("Count: {count}"), 0, 0)
+            .unwrap();
     })
 }