Processes the hovering information for this node.
        
        :param      event | <QHoverEvent>

def hoverLeaveEvent(self, event):
        """
        Processes the hovering information for this node.
        
        :param      event | <QHoverEvent>
        """
        if self._hoverSpot:
            if self._hoverSpot.hoverLeaveEvent(event):
                self.update()
        
        self._hoverSpot = None
        self._hovered = False
        
        super(XNode, self).setToolTip(self._toolTip)
        super(XNode, self).hoverLeaveEvent(event)