I don't think we will ever support that. Aside from anything else, even if gnome-control-center did successfully change a setting, it would not be remembered in the next Fvwm session.
A simple solution is for you to configure your mouse from a Terminal window: xinput xinput list-props N where N is your mouse device ID xinput set... ** Changed in: gnome-control-center (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1895217 Title: gnome control center mouse settings don't work in other window manager Status in gnome-control-center package in Ubuntu: Invalid Bug description: I would like to use gnome control center from Fvwm window manager. But the mouse speed does not respond at all to what I set unless I am running it from the default ubuntu window manager. I tried running gnome control center using different XDG environment variables as suggested by some posts, but this had no effect. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1895217/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp