make KLibrary's kde3Factory behave like kde4Factory
Thiago Macieira
thiago at kde.org
Thu Oct 11 11:44:22 BST 2007
Em Thursday 11 October 2007 11:28:09 Matthias Kretz escreveu:
> #define K_EXPORT_COMPONENT_FACTORY( libname, factory ) \
> extern "C" { KDE_EXPORT KLibFactory *init_##libname() \
> { \
> static QPointer<QObject> _instance; \
> if (!_instance) _instance = new factory; \
> return _instance; \
> } }
>
> then init_##libname would behave exactly as qt_plugin_instance and
> kde3Factory would need no further changes...
>
> Comments?
Yes.
The above code is not possible. QPointer is not POD, so it won't be
initialised and you can't use it like that above.
You can use a K_GLOBAL_STATIC though, but the code becomes very, very ugly.
--
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
PGP/GPG: 0x6EF45358; fingerprint:
E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358
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