OpenSUSE :: Using Gedit As Root: Gtk-WARNING **: Cannot Open Display

I've been searching for a permanent solution for some time now, but the threads containing the same error message never seem to be about the same issue.I want to:I'm not trying anything fancy, all I want to do is open a write-protected file with gedit as root, like so:

Code:

# sudo gedit /usr/bin/deadbeef

..but every time I try, no matter the file, I get this error message:

Code:

(gedit: [process #] ): Gtk-WARNING **: cannot open display

I already know: I can circumvent this by going:

Code:

# xhost +local:root
# sudo su
# export DISPLAY=:0.0

[code].....