naja/scenes/menu.py

   1 """
   2 Main menu scene.
   3 """
   4
   5 import pygame.locals as pgl
   6
   7 from naja.constants import KEYS
   8 from naja.scenes.scene import Scene
   9 from naja.widgets.text import TextWidget
  10 from naja.widgets.selector import SelectorWidget
  11 from naja.events import QuitGameEvent
  12 from naja.scenes.credits import CreditsScene
  13 from naja.scenes.game import GameScene
  14 from naja.events import SceneChangeEvent
  15
  16
  17 class MenuScene(Scene):
  18     def __init__(self, state):
  19         super(MenuScene, self).__init__(state)
  20         selector = SelectorWidget()
  21         self.add(selector)
  22         run_game = TextWidget((100, 100), 'Game', fontsize=32, colour='white')
  23         run_game.add_callback('click',
  24                               lambda event: SceneChangeEvent.post(GameScene))
  25         selector.add(run_game)
  26         credits = TextWidget(
  27             (100, 200), 'Credits', fontsize=32, colour='white')
  28         credits.add_callback('click',
  29                              lambda event: SceneChangeEvent.post(CreditsScene))
  30         selector.add(credits)
  31         quit = TextWidget((100, 300), 'Quit', fontsize=32, colour='white')
  32         quit.add_callback('click', lambda event: QuitGameEvent.post())
  33         selector.add(quit)
  34
  35     def handle_scene_event(self, ev):
  36         if ev.type == pgl.KEYDOWN:
  37             if ev.key in KEYS.QUIT:
  38                 QuitGameEvent.post()
  39                 return