[Panel-devel] Latest changes screwed Xinerama setups

[Lukas Appelhans]

Am Mittwoch, 31. Oktober 2007 15:17:08 schrieb Andreas Pakulat:
> On Mittwoch, 31. Oktober 2007, Aaron J. Seigo wrote:
> > On Wednesday 31 October 2007, Andreas Pakulat wrote:
> > > On Mittwoch, 31. Oktober 2007, Lukas Appelhans wrote:
> > > > Mmh, I saw the blog-entry of apaku, but for me, the complete
> > > > right screen is empty, I can move windows there, but no plasma.
> > > >
> > > > :-( The left screen is my main one and both have 1280x1024 ...
> > >
> > > I suggest to write a bugreport about that. I didn't really try
> > > other arrangements of monitors, so maybe Aaron just fixed the case
> > > of 2nd screen leftof 1st screen :)
> >
> > heh.. well, now it's all generic and no assumptions are made of
> > ordering.
> >
> > looking at his debug output, only one screen (0) is getting a
> > containment:
> >
> > plasma(14529) PlasmaApp::createPanels: Containment name: "Desktop" |
> > screen: 0 | geometry: QRectF(0,0 1280x1024) | zValue: 100
> >
> > the size looks right, it just seems that screen 1 isn't getting a
> > containment at all.
>
> Hmm, I'm not 100% sure how TwinView works, but I think its similar to
> the MergedFB mode from ATI and also radeon. And those don't provide
> Xinerama capabilities. Instead they let X11 apps think they handle just
> 1 large desktop and the driver makes sure the 2 screens "look" into the
> right parts of that large desktop. So maybe its not the number of
> containments, but simply the size of the one you do create...
>
> Andreas

Don't know if it helps, but kdesktop detects it correctly, you can configure 
the wallpapers for each screen...