def setMaximumWidth(self, width):
        """
        Sets the maximum width value to the inputed width and emits the \
        sizeConstraintChanged signal.
        
        :param      width | <int>
        """
        super(XView, self).setMaximumWidth(width)
        
        if ( not self.signalsBlocked() ):
            self.sizeConstraintChanged.emit()