Peter Hutterer peter.hutterer at who-t.net
Wed Nov 9 21:01:11 PST 2011

On Wed, Nov 09, 2011 at 07:24:08PM +1100, Russell Shaw wrote:
> On 09/11/11 12:16, Peter Hutterer wrote:
> >A month late but I just noticed that I never sent an announcement out for
> >this. libXi is the first snapshot for XI 2.1 support. At this point I
> >consider it unlikely that any major protocol changes will happen to the
> >smooth scrolling support.
> >
> >If you're working on a toolkit or similar, I highly recommend to start using
> >the new stuff while we can still change it to fit your expectations better.
> Hi,
> I posted this message 4-Nov-2010:
> quote >>
> In XInput2, when i get a XI_HierarchyChanged event after plugging in
> another mouse, is there a way to get a unique identifier for each
> device such as a brand and model number?

The "Device Product ID" property contain vendor and product ID (if those are
set by the driver).

> When i start my program that uses two mice for different functions
> (one in each hand), it would be useful for them both to be assigned
> the correct role whenever the program is started, regardless of
> whatever other devices have been plugged in since the last session.
> << unquote
> I'm not currently working on mouse stuff, but i will again sometime,
> and will use more than one pointer device simultaneously for CAD
> programs.
> Brand and model number and also the port the pointer is plugged into
> would be useful, in case both devices are the same model.
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