Scroll event (#250)
Scroll event (#250)

* add speedup and inversion on (not macosx) platforms

* add speedup and inversion on (not macosx) platforms

yglukhov/nimx,bogdan-voevoda/nimx,bogdan-voevoda/nimx,bogdan-voevoda/nimx,yglukhov/nimx,yglukhov/nimx