exclude programs from input device grabs

[Patrick Sebastian Zimmermann]

I want that a chosen application (in my case a hotkey daemon) receives
all input device events even when they are grabbed by other
applications. Even though I don't yet know the X internals, I guess
this is not done by simply grabbing all input devices. This would allow
any program to overhear passwords.
Greetings,
  Patrick

On Thu, 08 Jan 2009 11:44:21 -0500
Thomas Jaeger <thjaeger at gmail.com> wrote:

> What is it exactly that you want to do?  If you just want to be
> notified of key presses, all you have to do is grab the key on all
> the extended input devices.  In xserver 1.6, if you also want
> applications not to receive the events,  you can change the core
> pointer mapping.  If I understood Peter correctly, come XI 2.0, this
> won't be necessary anymore since grabs will temporarily detach the
> slave device.
> 
> Tom
> 
> Patrick Sebastian Zimmermann wrote:
> > I searched around a bit.
> > Did I get it right, that mpx changed the entire input part of X and
> > therefor XEvIE didn't work anymore and was removed. mpx does not
> > provide anything like input redirection, so bringing back XEvIE
> > based on the new input logic mpx brings would not result in
> > implementing the same feature twice, right?
> > If this is the case I will try to bring XEvIE back.
> > 
> > Greets,
> >   Patrick
> > 
> > On Thu, 8 Jan 2009 15:28:32 +1000
> > Peter Hutterer <peter.hutterer at who-t.net> wrote:
> > 
> >> On Wed, Jan 07, 2009 at 02:55:58PM +0000, Patrick Sebastian
> >> Zimmermann wrote:
> >>> I'd like to program a mechanism for the xserver that allows
> >>> certain programs to recieve input events even when they are
> >>> grabbed by another program. This would allow X keygrabbers to
> >>> work even when other programs grabbed the keyboard (eg. most
> >>> programs when having a menu open, and most games).
> >> XEvIE probably was the closest thing here. Except that it was
> >> broken and removed recently. A reimplementation on top of the new
> >> input code probably won't be frowned upon.
> >>  
> >> Cheers,
> >>   Peter
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