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From: "I. Levashew" <octagram@bluebottle.com>
Newsgroups: comp.lang.ada
Subject: Re: New Ada portable GUI Library?
Date: Wed, 16 Jan 2008 15:45:24 +0600
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Date: 2008-01-16T15:45:24+06:00
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Vadim Godunko �����:
> Both Gtk+/GtkAda and Qt/QtAda are portable. They work on UNIX/Linux,
> MS Windows, Mac OS. So, this is not an advantage.

Qt programs are aliens on Mac OS X. They differ from "normal" programs. 
Currently there are two general GUI APIs on Mac OS X: Carbon and Cocoa.
Everybody favors Cocoa over Carbon. And Qt is worse than Carbon. And 
GTK+ does not even run on Mac OS X directly, only in X11. X11 in Mac OS 
X is even worse than Qt (which is worse than Carbon which is worse than 
Cocoa). No drag&drop, no window grouping (Expose). Each X11 window 
belong to X11.app. No own main menu. Neither Qt nor GTK+ provide user 
experience competeable with Cocoa. Users tend to favor Cocoa 
applications over Carbon, etc. based. And there is no Cocoa binding yet.

There is a good news about Cocoa. Apple started BridgeSupport project 
easing interfacing Cocoa to other languages.

Thus we have 2 projects: SWIG and BridgeSupport. They cover huge amount 
of code. Both ones don't support Ada currently (at least BS). But if 
they will...