state management as a child

src/elements/div.rs

@@ -1,6 +1,9 @@
 use std::sync::{Arc, Mutex};
 
-use crate::widget::{Element, Widget};
+use crate::{
+    widget::{Element, Widget},
+    NoRender,
+};
 
 pub struct Div {
     color: u32,
@@ -40,6 +43,7 @@ impl Element for Arc<Div> {
 
     fn draw_child(&self, element: &Arc<Widget>) {
         self.children.lock().unwrap().push(element.clone());
+        element.inject(|w| w.component(NoRender));
     }
 
     fn as_any(&self) -> &dyn std::any::Any {