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Val V

Plasma 4 Extensions by christau 35 comments

Very nice work on this plasmoid, exactly what I was looking for. A good ticker was one of the things missing after I recently switched from windows.

Some feedback on the cpu usage issue:
Using Kubuntu Jaunty 9.04 amd64.
My cpu use seems to jump from 2-3% to ~10% (on one core of a Phenom II X4 955 @3.2Ghz stock speed). This isn't problematic for me but perhaps for someone using a netbook it might be. It seems to be related to the size (horizontal mainly) but the scroll speed seems to be the key variable. Seems to go down moderately when turning off desktop effects and to a lesser extent when using the "KDE 3.5 style" option.

This is why I suspect it may be Plasma rather than NetNewsTicker itself.

I haven't looked at the code, but I suspect size doesn't change what the plasmoid does, although perhaps the scroll speed causes more repaints? I have reduced the scroll speed and made it vertically as small as possible although horizontally it takes 1920 pixels along the top.

A potential contributing factor: I am using the proprietary ATI drivers for my gfx card (Radeon HD 4890) and it doesn't play nice with the pixmap method used by KWin apparently. Slow/jerky window resizing being the only symptom I can notice to be honest. Not sure if this related or completely irrelevant!

Anyhow, keep up the good work! - Sep 27 2009