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List:       kde-devel
Subject:    Re: Help with KDialogButtonBox
From:       Michael Pyne <mpyne () kde ! org>
Date:       2010-12-23 23:10:58
Message-ID: 201012231811.04248.mpyne () kde ! org
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On Thursday, December 23, 2010 18:02:36 Steven Sroka wrote:
> I need some help with a KDE program I'm trying to write.
> I have my main function calling a custom class, KReminder(), which is
> sub-classed from KDialogButtonBox. Within the KReminder() I have:
> 
> KPushButton *nextButton = addButton(nextGuiItem, AcceptRole, this,
> SLOT(next()));
> 
> 'this' refers to KReminder(). The 'addButton' function expects the
> third argument to be a QObject* and not a KReminder* const, so I'm
> getting an error. I've tried the KDE forums, but I haven't found a fix
> for this.

Whatever KReminder member function you're in is declared to be const. That 
changes the type of this from KReminder* to KReminder *const.

Either make that member function non-const, or don't do things which can 
mutate that object (addButton needs to update structures within the QObject 
you're subclassing so there's no way it's a const method).

Regards,
 - Michael Pyne

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