Salman Jamali wrote:
> Thanks. I read about X11, and i understand that i'll need to observe the
> keyPress events, and fetch the keys and associate them with the process that
> has the keyboard focus.
>
> I have two issues.
>
> 1- I am using the latest Solaris Express Developer Edition 01/08, and I
> believe it to have all the probes available for Xserver. Running # dtrace -l
> -n 'Xserver*:::', returns me this:
>
> ID PROVIDER MODULE FUNCTION NAME
> 4 Xserver621 Xorg CloseDownClient
> client-disconnect
> 5 Xserver621 Xorg Dispatch
> request-done
> 6 Xserver621 Xorg Dispatch
> request-start
> 7 Xserver621 Xorg AddResource
> resource-alloc
> 8 Xserver621 Xorg FreeClientResources
> resource-free
> 9 Xserver621 Xorg FreeClientNeverRetainResources
> resource-free
> 10 Xserver621 Xorg FreeResourceByType
> resource-free
> 11 Xserver621 Xorg FreeResource
> resource-free
> 12 Xserver621 Xorg WriteEventsToClient
> send-event
>
> Now, there are a few probes missing here including client-auth for
> ClientAuthorized. Are these deprecated, or is my system missing them?
There's a bug in Nevada which has caused some of the probes to not be built
into Xorg - unfortunately, I've not had time to try to figure out where in
the compiler/linker/dtrace chain the probe is being lost.
> Secondly, I am trying to understand the xEvent structure to retrieve the key
> that is pressed. But my approach is more of a trial and error and adhoc. Is
> there any way to understand xEvent structure and other code more clearly to
> get to know more about each field, beside the data structures only?
The xEvent structure is defined in the X11 Protocol. You might also find some
description in the old O'Reilly X programming manuals, if you can still find a
set.
--
-Alan Coopersmith- [EMAIL PROTECTED]
Sun Microsystems, Inc. - X Window System Engineering
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