On Fri, Sep 28, 2007 at 08:39:34AM -0700, Craig Bender wrote:
> Xinerama is taking 2 screens (i.e two different pieces of glass) and 
> turning them into one "screen. 

*And* very importantly, hinting Xinerama window managers about the fact that
the screen is not one big screen.

It is extremely frustrating to have all pop-ups placed precisely in the middle
of the screen (half pop up on one screen, half the pop up on the other screen),
for example. Xinerama fixes this, by telling the window manager that there are
two physical screens.

Also, if I maximise a window on one of my physical screens, it will only
maximise on that physical screen, not the full "virtual" screen. Another small
extremely convenient Xinerama feature.

> The 2FS is always presented as one 
> screen, or one piece of glass.

Which would be very annoying, to most users, if the window manager is not able
to position the windows properly according to the actual physical layout.

Is there some other mechanism to hint the WM at window placement?

> Multihead need not be xinerama, you can 
> have two separate workspaces.  The 2FS cannot do that type of multihead, 
> unless of course you have two of them.

>From your comments, I gather, that if I want all the convenience of Xinerama
(window placement hints, proper maximise, etc. etc.) I cannot get that on the
2FS.

I'm wondering - the X server is where Xinerama happens... I would think
(without being an X developer) that it would be simple, to hint the X server
about the layout on the 2FS, thereby getting full Xinerama and thereby proper
hinting to the window manager.

Are there any plans to support Xinerama on 2FS, or does the window manager
hinting already happen by some mechanism that I do not know of?  Or do
multi-head 2FS users simply accept that all pop-ups get placed at the worst
possible screen location? :)


-- 

 / jakob

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