+class _EventDispatcher :
+ def __init__(self) :
+ self.registry = {}
+
+ def addEventListener(self, eventType, listener) :
+ if self.registry.has_key(eventType) :
+ self.registry[eventType][listener] = True
+ else :
+ self.registry[eventType] = {listener:True}
+
+ def removeEventListener(self, eventType, listener) :
+ try :
+ del self.registry[eventType][listener]
+ except KeyError :
+ console.debug("no listener to remove")
+
+ def dispatchEvents(self) :
+ events = pygame.event.get()
+ for event in events :
+ eventLogger.info(event)
+ listeners = self.registry.get(event.type, {})
+ for listener in listeners.keys() :
+ listener(event)
+
+ def reset(self) :
+ self.registry = {}
+
+ def __repr__(self) :
+ out = StringIO()
+ keys = self.registry.keys()
+ keys.sort()
+ for k in keys :
+ print >> out, "event", k
+ for listener in self.registry[k].keys() :
+ print >> out, listener.__name__
+ out.seek(0)
+ return out.read()
+
+
+EventDispatcher = _EventDispatcher()
+
+def event_handler(*eventTypes) :
+ def markFunctionAsListener(m) :
+ m.__islistener__ = True
+ m.__eventtypes__ = eventTypes