GNU bug report logs - #42406
Mouse-wheel scrolling can be flickering

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From: Konrad Podczeck <konrad.podczeck <at> univie.ac.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: martin rudalics <rudalics <at> gmx.at>, Alan Third <alan <at> idiocy.org>, 42406 <at> debbugs.gnu.org
Subject: bug#42406: Mouse-wheel scrolling can be flickering
Date: Tue, 15 Dec 2020 20:52:25 +0100

Just using the mouse, moving the vertical scroll-bars up and down. As with mouse-wheel scrolling, performance decreases with the number of open frames, in the sense that scrolling becomes more and more sticky.



> Am 15.12.2020 um 20:45 schrieb Eli Zaretskii <eliz <at> gnu.org>:
> 
>> From: Konrad Podczeck <konrad.podczeck <at> univie.ac.at>
>> Date: Tue, 15 Dec 2020 20:31:19 +0100
>> Cc: Alan Third <alan <at> idiocy.org>, 42406 <at> debbugs.gnu.org
>> 
>> Performance does not degrade when only the two calls of wset_update_mode_line you mentioned are commented out. However, with just commenting out these two instances, I still have a scroll performance problem when scrolling by using the scroll-bars. Could you also identify the instance concerning this?
> 
> Please be more specific: how do you scroll with the scroll bars, and
> what kind of performance problem you experience as result of that?

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