commit 1500bdf735da6b655ebd745fbe93e71399112239
author David Crawshaw <crawshaw@golang.org> Wed Jun 22 16:41:49 2016 -0400
committer David Crawshaw <crawshaw@golang.org> Wed Jun 29 14:37:17 2016 +0000
tree cbeca89bc7cfde2bbc1ce27507632ffe165216d4
parent 54154b6f8ed3ca1d0a178d1ecf7d5d6366978f68

gldriver: (cocoa) invert mouse wheel direction

MouseWheel{Down, Up} are actions for software to respond to, not
faithful retellings of what the physical device did. So in OS X's
default "natural scrolling" mode moving down the trackpad should
report MouseWheelUp.

Fixes golang/go#16020

Change-Id: Ia10aaef1f2c36b16646ff50ba3923685310d1a23
Reviewed-on: https://go-review.googlesource.com/24360
Reviewed-by: Nigel Tao <nigeltao@golang.org>