Perhaps the effort would be more effective as a contribution to the existing XFWM? On the one hand, you have to figure out how XFWM works. On the other hand, i

Perhaps the effort would be more effective as a contribution to the existing XFWM? On the one hand, you have to figure out how XFWM works. On the other hand, it can be available to all XFCE users in a year or two (depending on how unsynchronized XFCE release and distro releases are).