[Qt-interest] signal mapping on pushbutton signal clicked

[chandrasekar wagmare]

thanks

On Tue, Mar 17, 2009 at 4:12 PM, Srdjan Todorovic <
todorovic.s at googlemail.com> wrote:

> Hi,
>
> 2009/3/17 chandrasekar wagmare <sekarwagmare at gmail.com>:
>
> >         QSignalMapper *signalMapper;
> >
> > in mapping.cpp
> >
> > /* signal Mapper*/
> >
> >         mapValue[i] = 2;
> >         connect(cicsButton, SIGNAL(clicked()), signalMapper,
> SLOT(map()));
> >
> >         signalMapper->setMapping(cicsButton, mapValue[1]);
> >
> >         connect(signalMapper, SIGNAL(mapped(int)), this,
> > SIGNAL(clicked(int)));
> >
> >         connect(this, SIGNAL(clicked(int)), this,
> SLOT(changeIndex(int)));
> >
> >         int mapValue[10];
> >
> > it compiled perfectly but when i run core dumped
> > when i try execute it gives Segmentation fault ....
> >
> > i dont know where i d
> >
> > connect(cicsButton, SIGNAL(clicked()), signalMapper, SLOT(map()));
> >
> > please help .... why in run time it give seg. fault ....
>
> I suggest you start here:
>
> http://en.wikipedia.org/wiki/Segfault
>
> Then web-search for how to debug segfaults. There are going to be
> *many* resources for this.
>
> Hope that helps,
> Srdjan
>



-- 
CHANDRU
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