Bug 121768 - knewsticker scrolling is jumpy
Summary: knewsticker scrolling is jumpy
Alias: None
Product: Fedora
Classification: Fedora
Component: kdeaddons
Version: 3
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Ngo Than
QA Contact: Ben Levenson
Depends On:
TreeView+ depends on / blocked
Reported: 2004-04-27 17:22 UTC by Fulko Hew
Modified: 2007-11-30 22:10 UTC (History)
0 users

Clone Of:
Last Closed: 2005-10-25 08:52:44 UTC

Attachments (Terms of Use)

Description Fulko Hew 2004-04-27 17:22:55 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040422

Description of problem:
KNewsTicker v0.2  scrolling is jumpy.

After a while the scrolling stops every 2 seconds for about 1 second.
It seems related to what Mozilla is doing.  After invoking and viewing
a variety of web pages eventually one of them triggers something that
makes knewsticker's scrolling become chunky.

This is confirmed by the fact that killing Mozilla during a time when
KNewsTicker's scrolling is chunky, makes the problem go away.

Maybe this should be logged as a bug against Mozilla instead.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.Configure KnewsTicker to appear on your task bar
2.Start Mozilla browser
3.View a variety of pages (eventually) the scrolling becomes chunky.

Additional info:

I suspect it might be related to animated GIFs in Mozilla, but I can't
prove it.

Although the symptom (affect on KnewsTicker) is trivial, it may
represent a more fundamental underlying problem.

Comment 1 Fulko Hew 2005-01-21 15:53:19 UTC
After upgrading to FC3 (2.6.10-1.741_FC3), I now see this same symptom
again using Firefox.

After a little more investigation, I have found a way to repeat the
problem, and a temporary resolution.

To create the KNewsTicker stuttering:

1/ Start Firefox.
2/ have some URL in the URL entry window.
3/ Use the mouse to 'swipe/select' the URL in that window.

NewsTicker now stutters.

To 'clear' the stuttering:

1/ Click on the 'Klipper' icon on the KDE task bar.
2/ Select 'clear clipboard history' , or double-click any of the
recorded strings.

Comment 2 Ngo Than 2005-10-25 08:52:44 UTC
it seems to be fixed in fc3/4 update. I cannot reproduce this problem with
KDE-3.4.2 on FC 3/4.

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