Overloads the set visible method to update the advanced action buttons \
        to match their corresponding standard action location.
        
        :param      state | <bool>

def showEvent(self, event):
        """
        Overloads the set visible method to update the advanced action buttons \
        to match their corresponding standard action location.
        
        :param      state | <bool>
        """
        super(XMenu, self).showEvent(event)
        
        self.adjustSize()
        self.adjustMinimumWidth()
        self.rebuildButtons()