input events on Area2D is now supported

also added a demo showing how this works

2d/area_input/engine.cfg

@@ -0,0 +1,4 @@
+[application]
+
+name="Area 2D Input Events"
+main_scene="res://input.scn"

2d/area_input/input.gd

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+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+#virtual from CollisionObject2D (also available as signal)
+func _input_event(viewport, event, shape_idx):
+	#convert event to local coordinates
+	if (event.type==InputEvent.MOUSE_MOTION):
+		event = make_input_local( event )
+		get_node("label").set_text(str(event.pos))
+		
+#virtual from CollisionObject2D (also available as signal)
+func _mouse_exit():
+		get_node("label").set_text("")
+		
+
+