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nnutter/xf86-input-cmt.md

Last active December 6, 2015 20:47
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xf86-input-cmt.md

Invert scrolling direction, e.g. enable "Natural Scrolling":

$ DEV_ID=$(xinput | grep 'Atmel.*Touchpad' | -E 's/.*id=([0-9]+).*/\1/')
$ xinput --list-props $DEV_ID > backup_touchpad_props.txt

$ PROP_ID=$(xinput --list-props 9 | grep 'Scroll X Out Scale' | sed -E 's/.*\(([0-9]+)\).*/\1/')
$ PROP_VAL=$(xinput --list-props 9 | grep 'Scroll X Out Scale' | sed -E 's/.*[^.0-9]([.0-9]+)/\1/')
$ xinput --set-float-prop $DEV_ID $PROP_ID -$PROP_VAL
$ xinput --list-props $DEV_ID | grep 'Scroll X Out Scale'
        Scroll X Out Scale (413):       -2.500000

$ PROP_ID=$(xinput --list-props 9 | grep 'Scroll Y Out Scale' | sed -E 's/.*\(([0-9]+)\).*/\1/')
$ PROP_VAL=$(xinput --list-props 9 | grep 'Scroll Y Out Scale' | sed -E 's/.*[^.0-9]([.0-9]+)/\1/')
$ xinput --set-float-prop $DEV_ID $PROP_ID -$PROP_VAL
$ xinput --list-props $DEV_ID | grep 'Scroll Y Out Scale'
        Scroll Y Out Scale (414):       -2.500000
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