naja/events.py

   1 """
   2 Custom Pygame events.
   3 """
   4
   5 import pygame.event as pge
   6
   7
   8 class NajaEvent(pge.Event):
   9
  10     TYPE = "UNKNOWN"
  11
  12     @classmethod
  13     def post(cls, **attributes):
  14         event = pge.Event(pge.USEREVENT, naja_event_type=cls.TYPE,
  15                           **attributes)
  16         pge.post(event)
  17
  18     @classmethod
  19     def matches(cls, ev):
  20         return ev.type == pge.USEREVENT and ev.naja_event_type == cls.TYPE
  21
  22
  23 class SceneChangeEvent(NajaEvent):
  24     TYPE = "SCENE_CHANGE"
  25
  26     @classmethod
  27     def post(cls, scene):
  28         super(SceneChangeEvent, cls).post(scene=scene)