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From: Neal D. Becker (ndbecker2_at_[hidden])
Date: 2004-03-03 10:35:35

David Turner wrote:

> Hello
> It seems that the idea of adding a medium-complexity GUI library to boost
> is popular, but that there are widely varying opinions on how it should be
> done.
> I've written a first draft of a library that fulfils most of my
> expectations. It's available at It
> supports two platforms (Win32 and GTK2), and four user interface elements
> or widgets (window, label, button, text-entry). The design is such that
> it is extremely easy to support new platforms or widgets.
> These are my expectations of how a good C++ GUI library should behave:
> 1. It should be a consistent yet thin wrapper around the platform's
> native functionality.
> 2. It should degrade gracefully in the absence of certain features on the
> platform.
> 3. It should be extensible through the factory pattern.
> 4. It should couple loosely with user code - this means no inheriting
> from an abstract Window class.
> 5. It should do what the user (programmer) expects, whenever possible
> (i.e. no leaky metaphors).
> 6. Widgets that contain things should behave like containers, whenever
> this is practical.
> 7. It should not use device-specific units like pixels, wherever this is
> practical.
> and finally
> 8. It should be extremely easy to use.
> The library at the link above fulfils most of these requirements. But
> it's not perfect. There are some interesting design choices.
> In many respects the most difficult design work is still to be done (list
> boxes, menus, drawing areas). However, the code that exists has the great
> advantage of working.
> I'd like to know what the boost community thinks before proceeding.

Not to start any religious war here, but gtk is based on C. If I was going
to start a new effort, I'd certainly prefer Qt/kde, which is c++ based as a
starting point.

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