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I have a Logitech Trackman Marble and I really love it. I spend a lot of time on web browser and code editors. I was wondering if there could be a feature like when I press Option Key the trackball becomes a scroll wheel. So that I can use the trackball for both moving cursor and scrolling.

DavidPostill
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woodings
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    Possible duplicates: [remedy for a no scroll wheel trackball?](http://superuser.com/questions/303661/remedy-for-a-no-scroll-wheel-trackball?rq=1), [Scroll modifier for mouse/trackball in windows](http://superuser.com/questions/498198/scroll-modifier-for-mouse-trackball-in-windows) – Ƭᴇcʜιᴇ007 Apr 07 '13 at 19:45
  • @techie007 Thanks! The first question you mentioned seemed to be what I was trying to do. But there wasn't a solution for Mac:( – woodings Apr 07 '13 at 20:37

1 Answers1

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You can use KeyRemap4MacBook:

<autogen>__PointingRelativeToScroll__ PointingButton::NONE, ModifierFlag::FN | ModifierFlag::NONE</autogen>

Replace ModifierFlag::FN with VK_CONTROL for either control. Keys that aren't modifier keys can be mapped to EXTRA1:

<autogen>__KeyToKey__ KeyCode::F1, KeyCode::VK_MODIFIER_EXTRA1</autogen>
<autogen>__PointingRelativeToScroll__ PointingButton::NONE, ModifierFlag::EXTRA1</autogen>

Key Repeat > [Pointing Device] CursorMove to ScrollWheel Rate changes the scrolling speed.

See the source for the key code values and predefined settings.

Lri
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