Sets the hotspot color for this node to the inputed color.
        
        :param      color | <QColor>

def setHotspotColor(self, color):
        """
        Sets the hotspot color for this node to the inputed color.
        
        :param      color | <QColor>
        """
        color = QColor(color)
        if self._palette is None:
            self._palette = XNodePalette(self._scenePalette)
        
        self._palette.setColor(self._palette.NodeHotspot, color)
        self.setDirty()