[Xorg] Input device hotplug

[Keith Packard]

Around 17 o'clock on Jun 28, Egbert Eich wrote:

> Having the discover mechanism live outside of the X server is only useful
> if it is generic to the system and not specific to X. Any program
> interested in input devices should be able to take advantage of its
> services.

The HAL mechanism should be able to manage the device discovery, and if 
that device is using the standard Linux input drivers, it should be easy 
to make the X server handle essentially any new device without new code.

The only X specific piece would be a connector that listened for HAL 
messages and converted them to the appropriate X protocol.  

The obvious alternative would be to embed that functionality into the X
server, but I can easily imagine wanting to control the policy and
management of those devices from user-mode, in which case we'd end up
adding lots of additional protocol or just do all of that in an X 
application.

Let's try the external application first and see how it looks; we can 
always change things before we standardize.

-keith


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