Merge pull request #232 from ricardobeat/patch-1

Fixes Hello World example in README

README.md

@@ -51,28 +51,23 @@ use azul::{
     widgets::{button::Button, label::Label},
 };
 
-struct DataModel {
+struct CounterApp {
     counter: usize,
 }
 
-impl Layout for DataModel {
-    // Model renders View
+impl Layout for CounterApp {
     fn layout(&self, _: LayoutInfo<Self>) -> Dom<Self> {
         let label = Label::new(format!("{}", self.counter)).dom();
         let button = Button::with_label("Update counter")
             .dom()
-            .with_callback(On::MouseUp, Callback(update_counter));
+            .with_callback(On::MouseUp, update_counter);
 
-        Dom::new(NodeType::Div).with_child(label).with_child(button)
+        Dom::div().with_child(label).with_child(button)
     }
 }
 
-// View updates Model
-fn update_counter(
-    app_state: &mut AppState<DataModel>,
-    _event: &mut CallbackInfo<DataModel>,
-) -> UpdateScreen {
-    app_state.data.modify(|state| state.counter += 1);
+fn update_counter(event: CallbackInfo<DataModel>) -> UpdateScreen {
+    event.state.data.counter += 1;
     Redraw
 }