Hi, This package supports gtk3, please build it with the gtk3. Thanks.
This bug appears to have been reported against 'rawhide' during the Fedora 22 development cycle. Changing version to '22'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora22
Xpad 4.6 has been released upstream (GTK3).
*** This bug has been marked as a duplicate of bug 1114370 ***