On Monday 14 July 2014 21:47:00 Konstantin Tokarev wrote:
>
> 14.07.2014, 13:39, "Martin Koller" <kol...@aon.at>:
> > On Monday 14 July 2014 09:11:06 Rutledge Shawn wrote:
> >> On 12 Jul 2014, at 10:03 AM, Martin Koller wrote:
> >>> Hi,
> >>>
> >>> is there any possibility to use an enum in the Q_ENUMS macro when the
> >>> enum is not
> >>> defined in a QObject derived class ?
> >>> (Specifically I'm trying to do that with QSslError::SslError)
> >> The Qt namespace has a lot of enums like that. The trick there is to get
> >> moc to pretend that the namespace is actually a class.
> >>
> >> src/corelib/global/qnamespace.h
> >
> > This is not what I meant.
> > The Qt namespace defines enums on its own and the MOC-Hack (#if
> > defined(Q_MOC_RUN)) just makes sure that the enums
> > can be used in Q_ENUMS
> >
> > What I need is a FOREIGN enum, e.g. one which is already availabe in a
> > different Qt header, but the enum is not
> > part of a QObject derived class.
> >
> > E.g.
> > #include <QSslError>
> >
> > class MyClass : public QObject
> > {
> > Q_OBJECT
> > Q_ENUMS(QSslError::SslError) // does not work
> > };
> >
> > #include "moc_test.cxx"
> >
> > In file included from test.cxx:9:0:
> > moc_test.cxx:66:10: error: ‘staticMetaObject’ is not a member of ‘QSslError’
> > &QSslError::staticMetaObject,
>
> You can add fake poperty with type QSslError::SslError, and access enum via
> QMetaProperty::enumerator()
That does not work.
The doc says: "The enumeration type must be registered with the Meta-Object
System using the Q_ENUMS() macro."
but doing so leads to above compile error.
Not using Q_ENUMS(QSslError::SslError) in MyClass does also not work, as
QSslError::SslError is an enum
from a class which is not QObject derived.
The doc says: "Had the enumeration type been declared in another class, its
fully qualified name (i.e., OtherClass::Priority) would be required, and that
other class would also have to inherit QObject and register the enumeration
type there using the Q_ENUMS() macro."
--
Best regards/Schöne Grüße
Martin
A: Because it breaks the logical sequence of discussion
Q: Why is top posting bad?
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