QMetaType::metaObjectForType

GrahamL

Hi I am trying to use QMetaType::metaObjectForType but am always getting a NULL return value and would be grateful if someone could explain why -

Class declaration
@
class Widget : public QWidget
{
Q_OBJECT

public:
Q_INVOKABLE Widget(QWidget *parent=0);
Widget(const Widget& other);
~Widget();
};

Q_DECLARE_METATYPE(Widget)
@

Class definition
@
const int WidgetTypeID = qRegisterMetaType<Widget>("Widget");

Widget::Widget(QWidget *parent)
: QWidget(parent)
{
}

Widget::~Widget()
{
}

Widget::Widget(const Widget& other)
{
Q_UNUSED(other)
}
@

Usage
@
int id = QMetaType::type("Widget");
const QMetaObject* baseMetaObject = QMetaType::metaObjectForType(id); -- Returns NULL

    QObject* o = (QObject*)(QMetaType::create(QMetaType::type("Widget"))); -- this works

@

JKSH