I am using the XFCE desktop with a Logitech M215 wireless mouse. Recently (presumably as a result of a package update) the mouse wheel started behaving differently. The speed of the mouse wheel is now much too high. One example: moving the scroll wheel one notch used to take me down 3 emails in my list of mails before the update. Now it is more like 30… I cannot find anything that configures the speed of the mouse wheel, so any help with this would be appreciated.
XFCE has mouse acceleration and sensitivity settings that should help you:
https://docs.xfce.org/xfce/xfce4-settings/mouse
I am aware of that dialog. It allows you to regulate the pointer speed (i.e. when you move the entire mouse), but not the scroll wheel. So I am afraid that does not help.
Can confirm, I’m on Gnome and it too does not increase/decrease the scroll speed based on the pointer speed.
A quick web search shows it’s possible on XFCE/X11 using imwheel. The package is available in the official repos.
Yes, I have seen that too, but comments about it were invariably negative (describing it as a hack, “problematic in many ways”, and mentioning that it breaks all sort of stuff). It also looks VERY old. It mentions PS/2 mice a lot… My impression is that it can only apply integer multipliers to the scroll speed, which would imply that it can only increase the scroll speed, not decrease it. It also has unwanted side effects. For instance, when using the scroll wheel when hovering over the desktop background used to take me to the next (or previous) desktop. That no longer works with imwheel. But worst of all, it does not seem to solve my problem. This is what I have in my .imwheelrc:
".*"
None, Up, Up, 0.1
None, Down, Down, 0.1
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solaar might be a better solution. It is available in Leap, supports the M215 and has a GUI.
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solaar has an option “Scroll Wheel High Resolution” which is exactly what I need. I had to jump through some hoops to change the setting to ignore (in the default setup solaar does not allow you to change the setting), but it more or less worked. Switching desktops with the scroll wheel now works normally again. Scrolling one notch in my mailer now takes me down 5.67 mails. That is not quite the same as what I am used to (3 mails), but certainly workable and a LOT better than the previous situation. The only thing I do not know yet is if these changes are persistent over a reboot. I will test that a bit later. Thanks!
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I can now also confirm that the settings are persistent over a reboot.
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