Transpose Midi Tools to Scale/Chord

Ok. It is christmas and this is my wish dead Santa Steinberg.

It would be tremendously handy to get an option in the midieditor to constrain the midi editing and note input tools to follow the chord track and scale. A simple option near the midi edit tools or something like that that does not take transformers and rocket science to figure out. Then we could simply draw in arpeggios and stuff with the Sine/pen/triangle tools…