def __init__(self, font, keyboard_background_color, key_background_color, text_color, special_key_background_color=None):
self.font = font<EOL>self.keyboard_background_color = keyboard_background_color<EOL>self.key_background_color = key_background_color<EOL>self.special_key_background_color = special_key_background_color<EOL>self.text_color = text_color<EOL>
VKeyboardStyle default constructor. 

        :param font: Used font for rendering key.
        :param keyboard_background_color: Background color use for the keyboard.
        :param key_background_color: Tuple of background color for key (one value per state).
        :param text_color: Tuple of key text color (one value per state).
        :param special_key_background_color: Background color for special key if required.