(self)
return ret
returns visible cols
            not used atm - no hor scroll
returns visible cols
            not used atm - no hor scroll
returns visible cols not used atm - no hor scroll
def visible_columns(self):
        """ returns visible cols
            not used atm - no hor scroll
        """
        ret = int(ceil(float(self.viewport().width() / self._char_width)))
        return ret
def visible_columns ( self ) : ret = int ( ceil ( float ( self . viewport ( ) . width ( ) / self . _char_width ) ) ) return ret