As already mentioned, I will solve the problem by programming on the PC and editing the graphics on the Mac. Since I have a server on which all data is stored, this works quite well.
@ulrik I didn't pay attention to 2. but the one I use is simply called the midi player in the midi part of the containers. the one where there is the drag n drop, choice of sequence, play stop rec.
@d-healey It's a custom curve ShapeFX - i.e each preset has a different curve drawn. Changing the curve or plotting new nodes often results in pops and clicks.