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Which GUI?

Moshe Zadka moshez at math.huji.ac.il
Fri Feb 18 09:48:21 EST 2000 
[Gerrit Holl]
> I think I'll make another point 'can be subclassed' in my comparison.

[Moshe Zadka, claiming it isn't an important issue]

[Joel Lucsy]
> The idea for subclassability is for creating custom controls with custom
> looks. For instance, if I wanted a grid control which allowed for spacings
> between the grids, or better yet, custom grid objects, how would I do this
> without subclassing? Callbacks I suppose. Well, the GUI toolkit has to offer
> them, which some don't. In Tkinter you can wrap a bunch of stuff into a
> metawidget so one doesn't need to subclass. wxPython doesn't need
> subclassing because it uses events (but you can also subclass as well). In
> (py)FLTK you need to subclass in order to get these custom objects. And
> because (py)FLTK doesn't have a lot of controls, it becomes paramount to be
> able to do this. It just depends of the toolkit.

So what we should be comparing is customizablity, not subclassibility,
which is one way (suboptimal, IMHO) to implement customizablity.

--
Moshe Zadka <mzadka at geocities.com>. 
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