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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Easiest way to build Qt/Gtk interfaces for Ada programs
Date: Sat, 5 Jan 2013 09:57:23 +0100
Organization: cbb software GmbH
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Date: 2013-01-05T09:57:23+01:00
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On Fri, 4 Jan 2013 23:31:03 +0000 (UTC), Brian Drummond wrote:

> One thing that is alleged to be possible, but so far has no good 
> tutorial : having written your own GTKAda widget, how do you make it 
> accessible and usable in Glade as the predefined widgets?

I have an impression that GLADE is hard-coded. GTK has some widget
introspection tools. GLADE could enumerate widget's properties, style
properties, signals and parameters of, once you have an instance of the
widget. The first problem is that one should link to GLADE, in order to
introspect and configure. That cannot be the same application as the
production code. You would have to maintain two projects instead of one.
Another problem is that custom widgets are usually loaded with semantics
which GLADE cannot know about or handle. E.g. the parameters of Gtk_New,
the discriminants of the object etc.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de