slackbuilds_ponce/desktop/xfce4-windowck-plugin

xfce4-windowck-plugin is a set of two plugins which allows to put the
maximized window title and window buttons on the xfce4-panel.

After upgrading to version 0.4.0 you may need to make some changes to
the plugin settings to retain previous look and feel.

Note- python3 is a build time dependency.