Mandag 24 januar 2011 09:52:23 skrev Jan Hambrecht:
> On 24.01.2011 08:57, Pierre Stirnweiss wrote:
> > As some of may know, I am trying to get Calligra to compile on Windows
> > MSVC2010. I have encountered a couple of problems, which were easy
> > enough to solve (with the help of SaroEngels).
> > The one I am facing now is apparently way more complicated:
> >
> > in kplato/libs/kernel/kpappointment.h we have the following:
> >
> > class KPLATO_EXPORT AppointmentInterval {}
> > class KPLATO_EXPORT AppointmentIntervalList: public QMultiMap<QDate,
> > AppointmentInterval> {}
> >
> > This construct yields the error C2487:
> > 'identifier' : member of dll interface class may not be declared with
> > dll interface
> > You can declare a whole class, or certain members of a non-DLL interface
> > class, with DLL interface. You cannot declare a class with DLL interface
> > and then declare a member of that class with DLL interface.
> >
> >
> > According to SaroEngels, both QDate and AppointmentInterval are
> > problematic here. A solution he proposed to this is to have the
> > following:
> >
> > class KPLATO_EXPORT AppointmentInterval;
> >
> > class AppointmentIntervalBase : public QMultiMap<QDate,
> > AppointmentInterval>
> >
> > class KPLATO_EXPORT AppointmentIntervalList : public
> > AppointmentIntervalBase
> >
> >
> > Any further thought on this?
>
> I would try to change the class from <Is a QMultimap> to <Has a
> QMultimap>. If I remember correctly from a short look yesterday, nowhere
> in the code are the QMultimap methods of AppointmentIntervalList used,
> beside within the implementation of AppointmentIntervalList itself.
Not quite true, but refactoring is not a *big* thing, it's mostly
lowerBound(), upperbound().
So if this is the cleanest way, I can do that.
> So maybe using the follwing construct will work:
>
> class AppointmentIntervalBase
> {
> // all your existing methods go here
> private:
> QMultiMap<QDate, AppointmentInterval> m_data;
> };
>
> Ciao Jan
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--
Mvh.
Dag Andersen
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