pass events to ui element

src/lib/ui/reactive/UIElement.hx

@@ -0,0 +1,20 @@
+package lib.ui.reactive;
+
+import kernel.Log;
+import kernel.ButtonType;
+import util.Vec.Vec2;
+
+using tink.CoreApi;
+
+abstract class UIElement {
+	abstract public function render(bounds:Vec2<Int>):Canvas;
+	public var changed(default, null):Signal<Noise>;
+	private final changedTrigger:SignalTrigger<Noise> = Signal.trigger();
+
+	public function new() {
+		changed = changedTrigger.asSignal();
+	}
+
+	public function handleClickEvent(pos: Vec2<Int>,button: ButtonType):Void {
+	}
+}