Subject: Re: Multiple keyboards and mice
To: Lennart Augustsson <email@example.com>
From: Herb Peyerl <firstname.lastname@example.org>
Date: 05/27/1999 07:00:01
Lennart Augustsson <email@example.com> wrote:
> An alternative would be to use similar code as for merging keyboard
> events to merge mouse events. We could then have a special virtual
> mouse device which the real mouse send their events to. This virtual
> mouse should also be accessible from userland to inject events into,
> that way we could have a /dev/mouse that would work for all mice.
> Serial mice would inject their events into it via moused, a userland
> program (which we can borrow from FreeBSD).
> A locator on the wsmouse device would tell the mouse where to
> send its events.
As an aside, this would allow us to build a thing like SGI's "nds"
(Network Dual-head Software) which basically sets up a 1 pixel-wide
window on the edge of a remote display and on the edge of the local
display. When the mouse enters that window on the local display, it
gets unmapped and mapped on the remote display; mouse and keyboard
events are sent through the network and injected into the keyboard
and mouse event queue on the remote... Effectively creating a multi-
head display across a number of machines.
I use this at work where I have an old SS2 running NetBSD and an
SGI machine both sharing the same keyboard/mouse... (the Sun one).