Hi, I have a 3-head setup that is giving me some trouble. Please help.

btw, Twinview is an Nvidia driver thing... and I don't think I want help with that, just mention if already answered to better effect then 'read source code'

(twinview) (seperate)
Here's the basic layout: [27"]---[27"]-----[19"]

Basically the problem is that on my two main 27" monitors when I enable a 3rd - really a second in xorg.conf - applications can maximize across both screens as if I were using Xinerama, which I am not. Again I say all this if somebody has similar problem and resolution. Now onto plasma specific stuff.

I have experimented and documented the two alternative setups - twinview two mons only, and then with an additional third monitor. I'll start with the two-mon setup.

My procedure is:
1. quit X
2. edit xorg.conf
3. 'rm -rf ~/.kde'
4. reboot
5. startx
6. logout X (fisrt-run differs?)
7. startx
8. run my desktop console screeninfo.js
9. rsync -av ~/.kde /mnt/sdb/2-mon
10. repeat but for a triple head setup

below is the output from my simple script in both 2 and 3-head configuration
(don't know how to make scrollbox, srry)

With two screens / Twinview

Executing script at 01/08/12 11:27 PM

print (screenCount) = 2
print (activities().length) = 2
print (screenGeometry(0).height) = 1080
print (screenGeometry(0).width) = 1920
print (screenGeometry(0).x) = 1920
print (screenGeometry(0).y) = 0
print (screenGeometry(1).height) = 1080
print (screenGeometry(1).width) = 1920
print (screenGeometry(1).x) = 0
print (screenGeometry(1).y) = 0

if (multihead)
false

Runtime: 12ms


With threeheads --

Executing script at 01/08/12 11:22 PM

print (screenCount) = 1
print (activities().length) = 1
print (screenGeometry(0).height) = 1080
print (screenGeometry(0).width) = 3840
print (screenGeometry(0).x) = 0
print (screenGeometry(0).y) = 0
print (screenGeometry(1).height) = 1080
print (screenGeometry(1).width) = 3840
print (screenGeometry(1).x) = 0
print (screenGeometry(1).y) = 0

if (multihead)
true

Runtime: 22ms

Additionally, in the three-head setup there is extra files added to .kde/share/config, namely plasma-desktop-screen-1rc. Have tried editing by hand, no luck. have read scripting API, but unsure how to get ALL configuration into a printout/object. would like to add another 'screen' entity or break-up lowest level container for main display(s) into two 1920x1080's. Not interested in making secondary level containers to sit on top of desktop because that just seems lame. Thought I would ask here because I don't want to wade through the source if I can avoid, or if I could even understand it. Sorry for the length, thanks in advance.

Any good links very much appreciated, mae.

Apologies, left out the important info -- using kde 4.7.4 on slackware -current

I am just wondering if you have been able to resolve this issue or not as I am having a similar problem.

Thanks,

Curtis