[Qt-interest] QVariant and user defined types

[Dan Milburn]

Justus Best wrote:
> Hi,
> 
> I currenty stuck a little while trying to add some of my classes to 
> QVariant.
> My problem is that I can't find a way to put my Types in an enum and use 
> them in a switch case with QVariant::userType().
> I tried with an enum like :
> enum MyTypes { Type1 = QVariant::UserType, Type2, Type3,  Type4, Type5 };
> But this doesn't correspond with the TypeIds I get if I call 
> QVariant::userType().
> 
> So is there any possibility to use QVariant with user definded types in 
> a switch statment ?

In short, no.  The user type ids are not available at compile time so 
you can't use them in a switch statement.  You would need to map from 
the qMetaTypeId of the registered type to the values in your enum in 
some way.

Dan