#include <QStandardItem>
#include <QDebug>

class NotWorkingItem : public QStandardItem
{
	public:
		QVariant data(int role) const
		{
			switch (role)
			{
				default:
					return QVariant();
			}
		}
};

class WorkingItem : public QStandardItem
{
	public:
		QVariant data(int role) const
		{
			switch (role)
			{
				default:
					return QStandardItem::data(role);
			}
		}
};

int main(int argc, char** argv)
{
	NotWorkingItem notworking;
	WorkingItem working;
	QStandardItem control;
	
	qDebug() << "Working";
	qDebug() << working.flags();
	working.setFlags(0);
	qDebug() << working.flags();
	
	qDebug() << "Not working";
	qDebug() << notworking.flags();
	notworking.setFlags(0);
	qDebug() << notworking.flags();
	
	qDebug() << "Control";
	qDebug() << control.flags();
	control.setFlags(0);
	qDebug() << control.flags();
	
	return 0;
}