[webkit-dev] Fwd: ［GTK］Scroll deficiency

[Xiong]

Hi,
I am happy to hear that you solve the issue.

I am also sorry to say i can not search the bug
report, and never submit the patch with my sloth.

-Xiong

2009/6/2 Srinivas Rao M Hamse <msrinirao at gmail.com>

> Hi Xiong,
>
> My platform is WebKiton gtk+directfb. I am noticing that the issue is still
> present in the current Webkit nightly R-44111 build. I saw your sugested
> patch :
>
>>   In function ChromeClient::scroll()
>>
>>     //   gdk_window_move_region(window, moveRegion, delta.width(),
>> delta.height());
>>     //   gdk_region_offset(moveRegion, delta.width(), delta.height());
>>       gdk_window_move_region(window, moveRegion, moveRect.width,
>> moveRect.height);
>>       gdk_region_offset(moveRegion, moveRect.width, moveRect.height);
>>
>> After applying it, I am not finding the scroll deficiency issue.
> I wish to know if this fix is working, why is it not landed yet. What is
> the plan for this bug.
> What is the bug number for Gtk+Directfb platform.
>
> Thanks and regards,
> Srinivas Rao.M <http://msrinirao.blogspot.com>
>
>
>
>
>
> On Wed, Apr 22, 2009 at 8:04 AM, Xiong <browserwk at gmail.com> wrote:
>
>>
>>
>> ---------- Forwarded message ----------
>> From: Xiong <browserwk at gmail.com>
>> Date: Wed, Apr 22, 2009 at 9:42 AM
>> Subject: Re: [webkit-dev] ［GTK］Scroll deficiency
>> To: Frank Thomsen <fth at trifork.com>
>> Cc: Brent Fulgham <bfulgham at gmail.com>
>>
>>
>> Hi Frank
>>
>>     I am working on gtk+directfb and Brent working on Window+cairo, and
>> you ?
>>
>>     As you see, Brent and i have two separate bugs, because the
>> workarounds he described
>>     do not help me.
>>
>>     For now, i have resolved the problem in my platform.
>>
>>     The reason why the screen display confusion is that GDK do not refresh
>> the
>>     overlapping region when scrolling.
>>
>>     So, change the codes as following:
>>
>>     In function ChromeClient::scroll()
>>
>>     //   gdk_window_move_region(window, moveRegion, delta.width(),
>> delta.height());
>>     //   gdk_region_offset(moveRegion, delta.width(), delta.height());
>>       gdk_window_move_region(window, moveRegion, moveRect.width,
>> moveRect.height);
>>       gdk_region_offset(moveRegion, moveRect.width, moveRect.height);
>>
>>     After do that, the problem was gone, at least in my
>> platform(Gtk+directfb).
>>
>>     Good luck.
>>
>>     -xiong
>>
>> 2009/4/17 Frank Thomsen <fth at trifork.com>
>>
>> Hi guys
>>>
>>> Yesterday I wrote that I had solved the problem - at least on my machine.
>>> Well, I was wrong. Apparently the redraw-problem only exists in
>>> release-mode.
>>> Could you please tell me what you have done to circumvent this problem?
>>> You have talked about both commenting out code and doing something with the
>>> ... background..? Whatever it is I cannot find it in the mailing list, so I
>>> would really appreciate if you could enlighten me. And do you know if this
>>> has been reported as a bug? Can't seem to find that either...
>>>
>>> Thanks in advance!
>>> Frank
>>>
>>> -----Original Message-----
>>> From: webkit-dev-bounces at lists.webkit.org [mailto:
>>> webkit-dev-bounces at lists.webkit.org] On Behalf Of Brent Fulgham
>>> Sent: 31. marts 2009 01:04
>>> To: xiong
>>> Cc: webkit-dev at lists.webkit.org
>>> Subject: Re: [webkit-dev] ［GTK］Scroll deficiency
>>>
>>> Hi Xiong,
>>>
>>> Thanks for trying these suggestions.
>>>
>>> On Sun, Mar 29, 2009 at 8:24 PM, xiong <browserwk at gmail.com> wrote:
>>> > Brent,
>>> >
>>> > In my platform, all the hack as you metioned are valueless.
>>> >
>>> > Bad news to me.
>>> >
>>> > Now, i only have a clue on cario for the scroll problem.
>>>
>>> I think we may have two separate (but perhaps related) bugs, because
>>> the workarounds I described do not help your problem.  Furthermore,
>>> the change you suggested (comment out the "if (contentChanged)" test
>>> in ChromeClient::repaint ()) does not resolve my problem, while it
>>> does fix yours.
>>>
>>> Thanks,
>>>
>>> -Brent
>>> _______________________________________________
>>> webkit-dev mailing list
>>> webkit-dev at lists.webkit.org
>>> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
>>>
>>
>>
>>
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>> webkit-dev at lists.webkit.org
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>>
>>
>
>
> --
> Srinivas Rao M  Hamse
>
>
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