Key combo to scroll (any) windows left and right

[buserror]

It would be really really nice to have a key combo to scroll the front window left and right. Possibly the a small or large amount (if shift is pressed ?)
And that without changing the cursor position...

1) It would allow me to use the Powermate to scroll horizontaly. Powermate REALLY rocks, and I miss it a lot in metro. Together with the wheel to scroll verticaly, it is a killer combo.
2) if there was "remote control" action associated with those keys, one could use the data wheel of a MIDI controler to scroll in the score.


Then again, maybe it already all exist and I haven't found it