Implement support for scroll button locks

Add a boolean option/property to enable/disable the scroll button lock. Where
enabled, the button can be clicked and released as opposed to having to be
held down.

Signed-off-by: Peter Hutterer <>
2 jobs for wip/scroll-button-lock in 1 minute and 1 second (queued for 1 second)
Status Name Job ID Coverage
  Containers Build
passed container_build #730977


passed fedora:30@default-build #730978