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List:       kde-devel
Subject:    Re: DCOP for custom objects
From:       Kurt Granroth <granroth () suse ! com>
Date:       2001-08-09 18:17:56
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On Monday 06 August 2001 06:44 pm, Yee_Keat Phuah wrote:
> I am using DCOPIDL, how do I use dcop for sending/receiving custom objects?
> Lets say I have
>
> class Person
> {
> QString name;
> int age;
> };
>
> I did overload both the QDataStream &operator<< and operator>>, but the
> problem is when the dcopidl/dcopidlcpp makes the dcopsvr_stub.cpp, it does
> not include my own "person.h" header file.
>
> For the dcopsvr_stub.cpp to include it, I have to put in "#include
> <person.h>" and parse the -I./ as the CFLAGS for it to work. Is there any
> particular reason that dcopidl only parses those includes that is standard?
> such as those in <>? Or is there any other way to do dcop of custom objects
> that I don't know of.

No, this is a limitation of DCOPIDL so far.  Getting support for custom 
objects in DCOPIDL would take some work.  I actually had a prototype mostly 
working quite some months ago... I honestly don't remember why I never 
committed it.  Maybe it never worked completely or maybe it was during a 
release freeze and I accidently deleted it.  In any event, I can't find it 
anymore.

Basically, what needs to be done is to create a new DCOP tag (like 
DCOP_OBJECT) to put in custom objects and have dcopidl parse it.  It should 
also handle the proper includes and operator overloads.  I'm vaguely 
remembering that there will be a problem with the scope of the overloads 
(defined in headers vs defined in source files, I think).
-- 
Kurt Granroth            | http://www.granroth.org
KDE Developer/Evangelist | SuSE Labs Open Source Developer
granroth@kde.org         | granroth@suse.com
            KDE -- Conquer Your Desktop
 
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