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path: root/pycameltris/screens/Pause.py
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import contextlib
import sys

import pygame

from .Screen import Screen
from ..controller import KeyboardController, JoystickController, Input
from ..misc import UnPause


def handle_input_pressed(controller, event):
    if controller.get_input_down(event) == Input.PAUSE:
        raise UnPause()


class Pause(Screen):
    def __init__(self, screen):
        self.event_handler = dict()

        self.event_handler[pygame.QUIT] = lambda _: sys.exit()
        self.event_handler[pygame.JOYBUTTONDOWN] = lambda evt: handle_input_pressed(JoystickController(evt.joy), evt)
        self.event_handler[pygame.KEYDOWN] = lambda evt: handle_input_pressed(KeyboardController(pygame.key), evt)


    def refresh(self):
        pass

    def oneframe(self):
        try:
            for event in pygame.event.get():
                with contextlib.suppress(KeyError):
                    self.event_handler[event.type](event)
        except UnPause:
            pygame.event.clear()
            raise