import tcod

def handle_keys(key):
    if key.vk == tcod.KEY_UP:
        return {'move': (0,-1)}
    elif key.vk == tcod.KEY_DOWN:
        return {'move': (0,1)}
    elif key.vk == tcod.KEY_LEFT:
        return {'move':(-1,0)}
    elif key.vk == tcod.KEY_RIGHT:
        return {'move':(1,0)}

    if key.vk == tcod.KEY_ENTER and key.lalt:
        return {'fullscreen':True}
    elif key.vk == tcod.KEY_ESCAPE:
        return {'exit': True}

    return {}