Moves the widgets around the system.
        
        :param      event | <QtGui.QResizeEvent>

def resizeEvent(self, event):
        """
        Moves the widgets around the system.
        
        :param      event | <QtGui.QResizeEvent>
        """
        super(XWalkthroughWidget, self).resizeEvent(event)
        
        if self.isVisible():
            self.autoLayout()