Qt component defines

Thiago Macieira thiago at kde.org
Tue Sep 1 23:14:42 CEST 2009


Em Terça-feira 1. Setembro 2009, às 20.21.17, David Faure escreveu:
> On Friday 28 August 2009, Thiago Macieira wrote:
> > Em Sexta-feira 28. Agosto 2009, às 22.12.41, David Faure escreveu:
> > > > For the QTEST_MAIN macro, that would work. But there are also some
> > > > other functions available in other headrs, like mouse events, etc.
> > > > that need to be enabled or disabled.
> > >
> > > I don't understand the problem. It's all inline, so there's no linking
> > > problem, as long as you don't use mouse stuff in a core-only test,
> > > but that would be stupidity, nothing we can do anything about.
> >
> > That only works as long as everything in those headers that is QtGui is
> > inline.
> >
> > That includes headers included by those headers, which means QtGui
> 
> headers
> 
> > too. It's very easy to break that, by forgetting to add "inline"
> > somewhere.
> 
> You lost me.
> A test that uses the mouse stuff from QtTest obviously links to QtGui so
>  it's just fine if that uses non-inline methods.
> 
> All we need is a macro that allows choosing between QCoreApplication
> and QApplication. The rest is standard link stuff: if you use gui stuff
> you need QtGui, obviously.

That macro is QT_GUI_LIB. That allows you to choose between QCoreApplication 
and QApplication, plus it enables QtGui-using features.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
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