In QT 5.15 I declare a class with an invokable constructor:
class TestClass : public QObject
{
Q_OBJECT
public:
Q_INVOKABLE TestClass(QString val) {}
};
Q_DECLARE_METATYPE(TestClass*)
register its type:
qRegisterMetaType<TestClass*>();
and then create it dynamically with a code like this:
int id = QMetaType::type("TestClass*");
auto metaObject = QMetaType::metaObjectForType(id);
QObject* instance = metaObject->newInstance(Q_ARG(QString, "abc"));
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