is there any interface to set key mask (or filter?) of surface ?

[Mark Lee]

HI experts:

I works on Qt framework using QtWayland library.

I need to set key (keyboard) mask of overlay application (higher z),
and other keys pass to fullscreen (lower z) application.

For example,
overlay wanna consume only 4-arrow keys,
and other keys would go to fullscreen.

I've searched Wayland and Wayland-protocol branch,
but I can't find yet.

thanks!!!

-- 
Sincerely, Jinho Lee
Tel) +82 010 7923 8620
ivorycloud1013 at gmail.com
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