how to disable alt keys in gtk application

[Syed Irfan <CrazyCrusoe yahoo com>]

hi

i am working on a stripped down webbrowser(galeon) i have disabled the
crtl keys, this is for an internet kiosk
for example ctrl+x will not do any thing

how do i disable alt+f+x ? i have looked into the code but i couldnt
find how i can disable the alt+x+x key which brings up the file/edit 
menu 
or how to disable the menu popup when alt+f is pressed ?

please help
need help urgently

thanks verymuch





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