[Interest] moc not moccing

Konrad Rosenbaum konrad at silmor.de
Tue May 20 11:21:19 CEST 2014


Hi,

how did you try to build this? Did you use qmake, plain make, cmake, ...?

However, I think you do need a constructor for classes that are processed
by moc - at least it is good style to provide one. One like this would be
sufficient:

C++-98: NewTest(){}
C++-11: NewTest()=default;

Also, it is bad style to declare moc'ed classes in the CPP file. Please
use headers for this. If it is a private class (one only used inside this
one module) the convention is to name the header with _p.h, e.g.
NewTest_p.h, this way other programmers in the team know they are not
supposed to #include this header without asking first.



    Konrad

On Mon, May 19, 2014 13:17, Graham Labdon wrote:
> Hi
>
> If I declare a class in a cpp file -
> #include <QObject>
>
> class NewTest : public QObject
> {
> 	Q_OBJECT
>
> 	private slots:
> 		void s1();
> };
>
> void NewTest::s1()
> {
>
> }
>
> #include "NewTest.moc"
>
> The moc compiler is not invoked
> However, if I declare a constructor for NewTest it is
>
> Can anyone explain why this is?
>
> I am writing some unit tests and do not need the constructor.
>
> Once the moc has been invoked I can remove the constructor and then
> everything works as expected
>
> Thanks
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>





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