On 05/11/10 10:21, Peter Hutterer wrote:
On Thu, Nov 04, 2010 at 10:35:29PM +1100, Russell Shaw wrote:
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?
no, the device ID is unfortunately the only identifier you have.
model/vendor information, etc. isn't exported by any driver yet.
Cheers,
Peter
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.
Hi,
A unique ID would be useful.
I found this in linux-2.6.31.1/drivers/input/evdev.c:
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0)))
return str_to_user(dev->uniq, _IOC_SIZE(cmd), p);
It was not clear how to integrate it in to xf86-input-evdev/src/evdev.c
When i start a program that uses a left-hand puck (i'm using a mouse) and
a normal right-hand mouse, i'll have to make a pop-up widget appear every
time so that the user can choose which mouse does what. It would be good
if the application can store the settings for a unique device id.
I used to use this mouse and puck arrangement around 1990 on a Human
Interface Loop Bus (HIL Bus) on a HP 9000 Apollo workstation. It was
a standard way of running CAD programs and greatly reduced mouse-finger
fatigue. The software was killed for political reasons, but the useability
was far better than the toy Windows stuff around now.
http://wiki.parisc-linux.org/HIL
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