I would like to have an option for making an application be full-screened. This is useful when you only want to use one application using as much space as possible (Fullscreen mode in metacity). No panels, no window borders, just the application covering all the screen. Reproducible: Always Steps to Reproduce: 1. 2. 3.
It's already there, in Xfce 4.2, Alt+F11 does exactly what you want (You can change that shortcut if that does not fit your need)