Create action from switch attached to GPIO

[Littlechay]

I thought a tool like "xdotool" might work (ctrl+space is the keyboard shortcut to drop a MOB marker) but it doesn't seem to do anything on the Pi.. ??

I was thinking to use an action to issue a command like

Code:

xdotool search --name "OpenCPN 4.6.1" key ctrl+space

which runs without error but doesn't do anything either; anybody any ideas on this ? 

P.S. I haven't tried running this as an action yet. I've only been experimenting in a terminal

 xdotool search "OpenCPN 4.6.1" windowactivate --sync key --clearmodifiers l

That works to turn on and off the light in opencpn so you must be close, can't get it working with cntrl  space though. Good find!

Thanks.. I'll go and ask in the OCPN forum