[webkit-dev] WebKit partial rendering issue

Luke Kenneth Casson Leighton lkcl at lkcl.net
Fri May 15 11:48:31 PDT 2009

On Fri, May 15, 2009 at 5:29 PM, David Hyatt <hyatt at apple.com> wrote:
> On May 15, 2009, at 12:18 PM, lkcl wrote:
>> 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.
> There is nothing wrong with the code in ScrollView.cpp that I can see, so
> I'm not sure why commenting out code would be necessary.

 it was the quickest fix possible that i could find - thank you for
the suggestion on setting the can blit on scroll flag to false, i'll
try to work that into the customers' app.  might have to add it to the
gtk gobject interface if it's not already there.


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