Single or Dual head for laptop, Xwrapper ?

[Daniel Stone]

On Sun, May 15, 2005 at 04:45:14PM -0700, Karl Hegbloom wrote:
> Had and idea... what if at boot, you use 'e' to edit the boot command,
> and add 'X11Layout=projector1024x768' or some such, and that made the
> Xwrapper launch the X server use a '-layout' configuration that
> includes a projector screen on the VGA port?
> 
> The actual xorg.conf configuration would need to be done by hand,
> unless...
> 
> It would be even cooler if the wrapper could detect an attached
> VGA device, using DDC, and have the X server start with the right
> '-layout' option based on that information.  I'd like to be able to use
> a monitor at home as a second screen, and a projector if I give a
> presentation.
> 
> I suppose that should not do that unless it is for the primary X server,
> since some people want dual seat, not dual head.
> 
> Even better, the X server should be able to detect an attached device...
> Can that be hot-plugged?  If not, then attaching it then running a
> command ought to be able to have it open that screen, at run-time, with
> DDC determining the capabilities of the projector or monitor.  With
> that, it would be possible to suspend and resume, and switch between
> secondary monitors between.
> 
> Since I am too busy with college studies right now to implement that...
> I propose that this item be put on the bounty list, or in the queue for
> the people who maintain Xwrapper.

This is stunningly out of the scope of Xwrapper, and far out of the
scope of gdm and friends.  What you're really asking here is for hotplug
device support and automatic configuration in X, which is so far out of
bountyville that it's not funny.  It'll happen, eventually.
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