3 Screen Xinerama Issues

[Jonathan Duncan]

Greetings,

I have three monitors.  One 21inch in the middle and two 17inch, one on 
each side of the 21inch.  The 21 and one of the 17's is running off of an 
Nvidia Quadro FX540 dual-head, while the other 17 is running off of a 
Matrox Mystique.  I am running KDE 3.3.2 on Gentoo with a Linux kernel of 
2.6.10.  This is a partially new setup for me.

Previously I was running SuSE 9.2 with KDE 3.2 and a Matrox Millenium 
dual-head instead of the Nvidia.  With the previou setup I was not having 
the issues I will now relate.  For reference you may view the following 
screenshot:

http://jkdwebmagic.com/temp/mydesktop.gif

(Note: The three screens are delineated by the horizontal green lines.)

1) Notice that the panel (at the top of the screen) is partially on the 
left screen and mostly on the middle screen.  How can I get that to 
center on the middle screen?


2) As can be seen in the following image, when I launch apps that do not 
remember their previous position they locate themselves across two or more 
of the screens instead of centering on one of them, and usually toward the 
bottom.

http://jkdwebmagic.com/temp/mydesktop_new_window.gif


3) As seen in the following image, when I maximize an application, it 
maximizes across all three screens.

http://jkdwebmagic.com/temp/mydesktop_maximize.gif


4) As can be seen in the first and second images, some new apps when 
launched and do not remember their previous position, lodge themselves at 
the bottom of the screens.  This is not so much of a problem except when 
the apps are small and they get lost in the black area on the screens 
with the smaller resolutions.  If you notice in the first screenshot there 
is a Konqueror window peeking out of the black area under the right 
screen.  That is where is launches before I move it.


As I said, in my previous setup of KDE none of these things were a 
problem.  The applications all seemed to know where the edges of the 
screens were and did not launch in the black areas, did not cross screens 
on launch, and the panel was centered on the middle screen.


How much of these issues are KDE related and how many are X.org related? 
I would think since the Xinerama is setup and working that all the issues 
are with KDE.  Anyone have any helpful tips for me?


Thank you,
--
Jonathan Duncan
Administrator
801.376.7796
JKD Web Magic
http://www.jkdwebmagic.com/
Web Site Hosting and Design

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