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Re: About porting to Qt.

From: jose maria gomez
Subject: Re: About porting to Qt.
Date: Fri, 2 May 2008 20:05:42 +0200
User-agent: KMail/1.9.9

Peter, you cant imagine how happy I have became reading your email. First of 
all, I would like to clear that I though that DDD project was died becuase 
DDD was looking for a new maintainer since 2008/03/03. However it seems that 
you were working on it, and not only that, but also you have done a very good 
I was thinking about to decouple it as well, but it seems you have done it 
My idea was to put Qt over it, but as you can say we could have the same core 
with different GUIs. We could work together. 

I dont know anything about gtkmm so I cant not help you a lot with this, but 
we could work together in the Core and doing some GUI hacking for ourselves 
(Qt and Qtkmm)

I am going to read and read your email again to go into details but I wanted 
to write this proposal to you as soon as possible.

I fell very happy with your so important contribution.

One othe question, why havent you applied to be the official maintainer if you 
were working on it already?

On Friday 02 May 2008 05:36:36 pm Peter Wainwright wrote:
> On Thu, 2008-05-01 at 15:19 +0200, jose maria gomez wrote:
> > Hello, I am Jose Maria, the new offcial maintainer of DDD package. I a
> > still having a look to the source and thinking about what could be the
> > betters plans for DDD and which could be the better way to do it.
> >
> > One of the things I would like to do is to port DDD to Qt gui libraries.
> > Anyway, this is not trivial. First of all, DDD need a lot of work to
> > decouple GUI from "logic".
> Good news that someone has volunteered to replace Andrew.
> I don't know if you are aware, but I have already started a project to
> write a new GUI backend which can use the Gtkmm widget set.  This is in
> the "branches/gddd" directory of the Subversion repository.
> As a result I have already decoupled most of the logic from the backend
> widget set.  All the communication goes through a shim or "virtual"
> widget set (GUI::Widget, GUI::Container, GUI::Button...).
> You may find that you can just write another backend for this interface.
> Otherwise, I hope that the interface can be easily modified to support
> both Qt and Gtkmm, as well as maybe others yet to be invented.  I did
> hope that my interface would support more widget sets than just Gtkmm,
> but I didn't have enough experience of Qt to try writing anything using
> Qt.
> Basically you would have a "QtX::" widget which would just be a
> container for the real Qt widget.  The callbacks need to appear in the
> main program as libsigc++ signals, which are similar to but not
> identical to Qt signals.  I should think it is quite possible (maybe
> even fairly easy) to catch Qt signals and translate them to the libsigc
> ++ format.  I did the same for the Motif (Xt) callbacks, in order to
> provide a backward-compatible version which would run on Motif.  I'm no
> longer actively developing that code, but it worked quite well as far as
> it went.
> I posted some ideas at http://www.ceiriog.eclipse.co.uk/ddd-gtk.pdf
> Peter Wainwright (pwainwright at users.sourceforge.net)
> > I will inform all of you as soon as posible about the plans. Everybody
> > can help of course and your feedback is very important.
> >
> > The application is in C, so i would like to rewrite most of them to
> > moderm C++ and put QT over all. At the same time I think that a good
> > pluggin system could be really useful in this case.
> >
> > Thanks a lot.
> > _______________________________________________
> > Ddd mailing list
> > address@hidden
> > http://lists.gnu.org/mailman/listinfo/ddd
> _______________________________________________
> Ddd mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/ddd

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