From: Lennart Poettering <mznyfn@0pointer.de>
To: alsa-devel@alsa-project.org
Subject: Re: Keyboard volume buttons
Date: Sat, 28 Feb 2009 08:00:09 +0100 [thread overview]
Message-ID: <20090228070007.GA21641@tango.0pointer.de> (raw)
In-Reply-To: <fd3eb9bf0902262306t71958159h42325e98035ceb6c@mail.gmail.com>
On Fri, 27.02.09 08:06, Vedran Miletić (rivanvx@gmail.com) wrote:
> On Fri, Feb 27, 2009 at 3:20 AM, Harsha, Priya <priya.harsha@intel.com> wrote:
> > Hi,
> >
> > Can anyone tell me how keyboard's volume buttons are converted into real volume change? Will there be an application that monitors the keyboard volume button events and call ALSA API to set the volume?
> >
> > Thanks
> > Harsha
> >
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel@alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> >
>
> Yes, X catches keypress and lets the window manager know about it. In
> case of metacity, which is what GNOME uses, if that key is bound to a
> volume control action, it calls gnome-volume-control to do the
> apropriate change. I _believe_ it is so, never checked source code.
It is actually not the window manager.
In GNOME it is a little daemon that runs in the session and is called
gnome-settings-daemon. It does a lot of little thinks, one of them
handling volume key events and showing a nice OSD for it.
Lennart
--
Lennart Poettering Red Hat, Inc.
lennart [at] poettering [dot] net ICQ# 11060553
http://0pointer.net/lennart/ GnuPG 0x1A015CC4
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next prev parent reply other threads:[~2009-02-28 7:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-27 2:20 Keyboard volume buttons Harsha, Priya
2009-02-27 7:06 ` Vedran Miletić
2009-02-27 9:28 ` Takashi Iwai
2009-02-28 7:00 ` Lennart Poettering [this message]
2009-03-05 13:36 ` Harsha, Priya
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