Enabling reverse scrolling doesn't reverse the direction of horizontal scrolling. Intuitively, the setting should reverse both axes.
Why? for vertical its to simulate natural scrolling. For horizontal I don't see the advantage..
It's the same reason. "Natural" scrolling is that you're pushing the page around, similar to a phone or tablet. You can push it horizontally as well as vertically.
This bug is not a matter of 'advantage' or opinion. If you scroll left on your touchscreen with your finger, you do not expect the panel to move right. You expect it to follow your finger (hence "natural"). This bug is still not fixed.
Workaround: echo 'pointer = 1 2 3 5 4 7 6 8 9 10 11 12' > .Xmodmap
This bug is still affecting in Xfce 4.12.
in debian 10, i solved this and bug #11193 running nano /usr/share/X11/xorg.conf.d/40-libinput.conf man libinput
*** Bug 12318 has been marked as a duplicate of this bug. ***
Created attachment 9285 Fixes reverse horizontal scrolling I've attached a patch that fixes the issue by codifying the solution Razz Fox posted.
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