[Bug 258611] Re: Korganizer: Terrible delay in mouse action on calendar

[Richard Birnie]

This came to me directly from Rigo

"I still think it has to do with some smooth scrolling that runs
berserk. The screen behavior is like this. It starts slowly and
accelerates. My nose was dropped on this again when I scrolled this
long email and it tried to smoothly scroll. Smooth scrolling is all
about rendering delays, isn't it?"

Based on this suggestion I resorted to Google. It seems as if this is already known upstream. Take your pick from these three:
http://bugs.kde.org/show_bug.cgi?id=76082
http://bugs.kde.org/show_bug.cgi?id=168132
http://bugs.kde.org/show_bug.cgi?id=163626
The crux of the problem seems to be that Smooth scrolling behaviour can be enabled/disabled in Konqueror but that the setting doesn't apply to any other application using the khtmlpart. Such as kmail and akregator (and probably calendar). As far as I can tell there is no way of configuring this behaviour globally, which is a design flaw in itself. I suppose it is still possible that differences between machines are caused by differences between the different hardware and different drivers to support this behaviour but that's purely speculation on my part.

The third link has a suggested work around at the end. I tried it and it
made no difference. If anyone else wants to try it and report back that
would be appreciated. In the short term the best we can do is probably
for the people affected by this bug to add a comment to the  kde report
and hope we can persuade them to do something about it. 76082 seems to
be where most of the activity is. I'm going to confirm this bug now
based on the upstream reports and link it so we can track the activity.

Thanks for following through everybody

** Changed in: kdepim (Ubuntu)
   Importance: Undecided => Medium
       Status: Incomplete => Confirmed

** Also affects: kdepim via
   http://bugs.kde.org/show_bug.cgi?id=76082
   Importance: Unknown
       Status: Unknown

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Korganizer: Terrible delay in mouse action on calendar
https://bugs.launchpad.net/bugs/258611
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