I used the XFCE GUI tool and every time I input printscreen + u as my shourtcut, xfce ignores the printscreen button in the shortcut.
I also tried to edit the XML conf file with
name="&alt;Print>u" but it ignores the
You can only define shortcuts on keychords consisting of one “normal” key and a set of modifiers. The classical modifiers are
Super. The first four are already taken on a PC keyboard — for historical reasons,
Meta is more or less an alias of
Alt. By default the “Windows” key is
Super, which leaves
Hyper free. So assign
Hyper to PrintScreen. Additionally you need to assign it a modifier name; by default
Mod3 is free (the possibilities are
The simplest way to do this is through xmodmap. Create a file called
.Xmodmap in your home directory) containing
keysym Print = Hyper_L clear Mod3 add Mod3 = Hyper_L
Some distributions load this file automatically during login. If yours doesn't, add the command
xmodmap <~/.Xmodmap to your startup applications.