[maemo-developers] How to capture ALL key events, no focus/No-GUI

From: Kimmo Hämäläinen kimmo.hamalainen at nokia.com
Date: Thu Jan 28 14:41:37 EET 2010
On Thu, 2010-01-28 at 10:53 +0100, ext Stefan Iwanowitsch wrote:
> Rémi Denis-Courmont schrieb:
> >   
> I want normal processing of keyboard events and just want to trigger
> actions upon certain key combinations/sequences.
> According to the documentation XGrabKeyboard() seems to prevent further
> processing in other applications and there is no easy way to re-enqueue
> key events I'm not interested in.

So you want keyboard shortcuts? Like shift+ctrl+p and the like?  Then
you should use XGrabKey to grab that key combination only. See
libmatchbox2 sources for code.

Grabbing or monitoring the whole keyboard for a keyboard shortcut is not
the right way...


> > If you just want to see keyboard input, then you'd open the corresponding 
> > file(s) in /dev/input/.
> >
> >   
> Can I read from /dev/input without interfering with other consumers? And
> do you happen to know, where I can find specs on the input device files?
> Thanks!
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