[mythtv] "global" keys?

[Chris Petersen]

> 	Not easy. You could .... make every module return exit codes 
> (signalling what the user wanted to do next), and then rewrite all of 
> them to accept certain global keypresses, shut themselves down and 
> spit out the right exit codes. 

Isn't this what IPC is for?  let mythfrontend catch ALL keys, trap for
some, and pass the rest along via IPC/signals/whatever to the individual
programs?

But don't listen to me, I'm not a C programmer.  Just throwing ideas
around.

-Chris