I would advise you to look at Lyx; www.lyx.org
. This is a splendid front end for latex. It will use any latex distribution, Texlive is probably the best; http://www.tug.org/texlive/
. Lyx can certainly use the feynman package, so you can draw your diagrams on the screen. Can't say how well they come out, if I ever drew a feynman diagram it must have been fifty years ago, before theoretical physics and I parted company.