Comment 4 for bug 1576685

However at least on my laptop it is still falling back to using syndaemon. That is launched with "-t" option and has been since 2012.

commit c1b2b478ec71b907e4af736d62c1a81ad400f902
Author: Bastien Nocera <email address hidden>
Date: Mon Jun 18 11:51:09 2012 +0100

    mouse: Only inhibits mouse clicks and scrolls with syndaemon

    Not mouse movements.

    https://bugzilla.gnome.org/show_bug.cgi?id=673055