For all the modders out there

hey guys, awhile back i was talking about intergrating a computer system into my car. Now i am stuck, i have figured out how the system is gonna sit where the moniter will go, but how am i gonna control it??
this i where you modders come into it.

Would it be impossible to wire up a touch pad from a laptop to work on a pc?? instructions for doing this? software? time consumption??

i was thinking of a touch screen set up, but it would be one of the last options i would like to think of (i wanna customise as much as possible)

thanks
:ninja:EZEkiel:ninja: