Wii Remotes can be configured to do anything on linux.

Two Easy Choices:

Cwiid: You can map the buttons to ONE key, Joystick Axis, or Mouse Button.

Xwii: You can map the buttons to MULTIPLE keys, External Commands (like Bash Scripts, pretty much any one line command you can to in a terminal), joystick, ans mouse button. It also has a nice "flick" ability, which I like.

So, I would use Xwii to map the wii to the right buttons. the only problem with Xwii is its mouse emulation sucks compared to Cwiid, so if you need a mouse control, use that.