Yesterday Input Pad 1.0.0 was released.
Now it supports GTK3 in Fedora rawhide.
Also ibus-input-pad 1.4.0 was integrated into Fedora rawhide.
ibus-input-pad 0.1.4 was integrated into Fedora 14 and 13.
If you use Fedora 14 or 13:
# yum install ibus-input-pad
If you use Fedora rawhide:
# yum install --enablerepo=rawhide ibus-input-pad
If you install input-pad-eek, you can enable the eekboard UI.
% input-pad --with-kbdui eek-gtk