naja/events.py

   1 """
   2 Custom Pygame events.
   3 """
   4
   5 import pygame.event as pge
   6 import pygame.locals as pgl
   7
   8
   9 class NajaEvent(object):
  10
  11     TYPE = "UNKNOWN"
  12
  13     @classmethod
  14     def post(cls, **attributes):
  15         event = pge.Event(pgl.USEREVENT, naja_event_type=cls.TYPE,
  16                           **attributes)
  17         pge.post(event)
  18
  19     @classmethod
  20     def matches(cls, ev):
  21         return ev.type == pgl.USEREVENT and ev.naja_event_type == cls.TYPE
  22
  23
  24 class SceneChangeEvent(NajaEvent):
  25     TYPE = "SCENE_CHANGE"
  26
  27     @classmethod
  28     def post(cls, scene_cls):
  29         super(SceneChangeEvent, cls).post(scene_cls=scene_cls)
  30
  31
  32 class QuitGameEvent(NajaEvent):
  33     TYPE = "QUIT_GAME"
  34
  35     @classmethod
  36     def post(cls):
  37         super(QuitGameEvent, cls).post()