@Thaddäus: I think this is a xfce4-whiskermenu-plugin. The problem is not to search in the XFCE settings window, it's to search any settings' apps in the main menu (whisker).
@Thaddäus: I think this is a xfce4-whiskerme nu-plugin. The problem is not to search in the XFCE settings window, it's to search any settings' apps in the main menu (whisker).