Changed 'def' to 'class' (shame on me in the first place).

src/events.py

@@ -3,17 +3,19 @@ class GestureEvent(object):
         self.gesture = gesture
 
 
-def TapEvent(GestureEvent):
-    def __init__(self, x, y):
+class TapEvent(GestureEvent):
+    def __init__(self, x, y, double=False):
         super(TapEvent, self).__init__('tap')
         self.x = x
         self.y = y
+        self.double = double
 
     def __str__(self):
-        return '<%s (%s, %s)>' % (self.__class__.__name__, self.x, self.y)
+        return '<%s (%s, %s)%s>' % (self.__class__.__name__, self.x, self.y,
+                                    ' double' if self.double else '')
 
 
-def FlickEvent(GestureEvent):
+class FlickEvent(GestureEvent):
     def __init__(self, x, y, velocity):
         super(FlickEvent, self).__init__('flick')
         self.x = x
@@ -25,7 +27,7 @@ def FlickEvent(GestureEvent):
                (self.__class__.__name__, self.x, self.y, self.velocity)
 
 
-def RotateEvent(GestureEvent):
+class RotateEvent(GestureEvent):
     def __init__(self, cx, cy, angle, n):
         super(RotateEvent, self).__init__('rotate')
         self.cx = cx
@@ -38,7 +40,7 @@ def RotateEvent(GestureEvent):
                (self.__class__.__name__, self.x, self.y, self.angle, self.n)
 
 
-def PinchEvent(GestureEvent):
+class PinchEvent(GestureEvent):
     def __init__(self, cx, cy, amount, n):
         super(RotateEvent, self).__init__('pinch')
         self.cx = cx
@@ -51,7 +53,7 @@ def PinchEvent(GestureEvent):
                (self.__class__.__name__, self.x, self.y, self.amount, self.n)
 
 
-def PanEvent(GestureEvent):
+class PanEvent(GestureEvent):
     def __init__(self, x, y, dx, dy, n):
         super(RotateEvent, self).__init__('pan')
         self.x = x