better global state structure?

examples/minimal.rs

@@ -1,22 +1,20 @@
 use iris::prelude::*;
-use winit::event_loop::ActiveEventLoop;
 
 fn main() {
     App::<State>::run();
 }
 
-#[derive(DefaultUiState)]
-struct State {
-    ui: Ui<Self>,
-    ui_state: UiState<Self>,
-}
+#[default_ui_state]
+struct State {}
 
 impl DefaultAppState for State {
-    fn new(event_loop: &ActiveEventLoop, _proxy: Proxy<Self::Event>) -> Self {
+    fn new(ui_state: DefaultUiState, _proxy: Proxy<Self::Event>) -> Self {
         let mut ui = Ui::new();
-        let window = event_loop.create_window(Default::default()).unwrap();
-        let ui_state = UiState::new(window);
         rect(Color::RED).set_root(&mut ui);
-        Self { ui, ui_state }
+        Self {
+            ui,
+            ui_state,
+            events: EventManager::default(),
+        }
     }
 }