Comment 66 for bug 218202

On Thu, May 29, 2008 at 01:28:54AM -0700, <email address hidden> wrote:
> If you hit a key on the keyboard, the core event is generated by the VCK, and
> an XI event by the actual keyboard. The LED change then happens when the XI
> event is passed through xkb (the LEDS on the virtual keyboard change too,
> but, well...).
>
> If you use xtest for core events, the server picks the VCK and processes it
> accordingly - but, because it is the VCK you don't see the LED change.
> To fix this, you essentially have to pick which devices need the LED state
> updated and run it past them as well. Which gets a bit iffy, if you have
> multiple keyboards, some of which have CL on and some of which have it off
> (which AFAIK should work now). Which ones do you pick? Do you switch CL on? or
> off?
>
> Comments?

I think the only thing that makes sense is for XTest to use GKE to
generate events for the keyboard that last sent core events. Principle
of least surprise and all -- why mangle other keyboards?