Comment 4 for bug 1081599

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crysman (crysman) wrote : Re: [Bug 1081599] Re: unable to setup ALT+PrtSc (alt + printscreen) in keyboard applications shortcuts settings menu

thank you for the comperhensive answer! :)
McZ

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Martin crysman Zahradník
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On 1.3.2013 05:59, Oskar Wallgren wrote:
> I don't think you can assign <Alt><PrtSc> as the combination is spoken for by the kernel.
> This is by default. The option to have this interaction is in the kernel and the desicion to
> have it enabled by default is with the Ubuntu developers. See bug #642792.
>
> Unless you disable it:
> http://en.wikipedia.org/wiki/Magic_SysRq_key#Configuration
> http://ubuntuforums.org/showthread.php?t=1890355&p=11511510#post11511510
>
> Also see answer 7 in this thread:
> https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/642792
>
> To avoid confusion xfce4-settings-manager should issue a clear warning
> about why it doesn't accept the combination or at least a generic
> message on failure like "cobination not allowed".
>