TextBox should only draw the rows that are actually visible

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At the moment TextBox draws all rows on each draw, instead it should check
the dimension of it's parent and only draw the rows that is visible.

Original issue reported on code.google.com by olof.nae...@gmail.com on 28 Sep 2008 at 7:31

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Original comment by olof.nae...@gmail.com on 28 Sep 2008 at 7:35

• Changed title: TextBox should only draw the rows that are actually visible

[GoogleCodeExporter]

I'm currently working on something on my project to address this, but it might 
be a
while. I'm willing to back contribute, if you'd like, but some of it is still 
in the
planning phases. I have also added wrapping models to the text box, and am 
currently
figuring out the best way to do rendering models. I'll post up a zip or so once 
I get
close to completion or so, and then, if there's some modifications to it that 
you'd
like specifically for GUIChan, we can talk about them then.

In any case, I'd prefer to bring in a solution and talk about it, since I need 
this
to solve some project specific needs, and one of the planned rendering models
probably wouldn't be appropriate to backport. Wouldn't have thought about 
backporting
this if I didn't see that you already had thought of this, though.

Original comment by irar...@gmail.com on 26 May 2009 at 5:41