[webkit-dev] WebKit partial rendering issue

[lkcl]

https://bugs.webkit.org/show_bug.cgi?id=25696#c2

thanks to paul for the guidance and for the leading work / patches on which
this is based, paul, the code that you sent me has a bug where the
scrollbars on a frame will go "blank" and disappear when you move the mouse
over them. the reason is that the empty rect causes the return out of the
paint function, prematurely, i fixed this by allowing the scrollbars always
to be painted.

if anyone can think of a better way to do this other than to comment out
code (even though it can be demonstrated as completely broken) that'd be
great.

testing this i used http://pyjs.org/showcase/Showcase.html then click on
"Frame" (left-hand-side) and then shrink the browser window to 800 pixels to
get a horizontal scrollbar in the frame as well.

with the patch from the above link, everything's fine.

paul, chris, your help was _really_ appreciated.  the client will be
well-'appy.

l.
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