Sets the quick color for the palette to the given color.
        
        :param      color | <QColor>

def setQuickColor( self, color ):
        """
        Sets the quick color for the palette to the given color.
        
        :param      color | <QColor>
        """
        colorset = XPaletteColorSet()
        colorset.setPalette(QPalette(color))
        self.setColorSet(colorset)