How to properly use XGrabKey to get a program hotkey

[cheshirekow]

>    
>> My goal is to have a program that sleeps in the background but can be
>> activated by the user via some "hotkey". From digging around the Xlib
>>      
> Is this program running as the normal user or is this some privileged
> service (say "switch to another user")?
>
>    
Normal user. I don't think there's any need to perform privileged 
actions for this application.