I've recently started using XMonad. While I can use the trackpad to scroll through a web page vertically (top-to-bottom) I cannot use it to scroll horizontally (side-to-side). How can I set XMonad to recognize that my trackpad supports horizontal scrolling, like it does in e.g. Unity?

I've not seen anything in the searching I've been doing that addresses this problem.

1 Answer 1


Ha ha. That was not an Xmonad problem, it was more generally a Synaptics problem. Lots of reading led me to the Ubuntu Synaptics page, where I realized there were separate settings for both 2-finger vertical scroll and 2-finger horizontal scroll. I did the following at the terminal and now things work:

synclient HorizTwoFingerScroll=1

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