Len Trigg 25bcff3656 Fix #2861, provide consistent mouse-wheel zoom direction, plus a GUI preference to invert (#3749)
* Make mouse-wheel in 2D toolpath zoom in the same direction as it does in 3D and 3D-preview

* Add a GUI preference setting for whether to invert the direction that
mouse-wheel scrolling will zoom in the 2D and 3D panels.
2017-03-10 23:37:17 -06:00
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2016-12-17 19:51:29 +01:00