search dialogues to be manipulated with the mouse, too. It also allows
me to shrink the codebase further by killing grab_menu().
One known issue with highlighting the first entry in a search dialogue,
that'll be fixed soonish.
ok okan@, tested by Edd Barrett and todd@.
function menu_filter(). The plan is to eventually merge in grab_menu too.
Shrinks the code a fair bit.
Also, change XMaskEvent for XWindowEvent to prevent getting exposes for other
windows. This is particuarly noticable on slow machines with a LOT of xterms
(todd, you're an odd man).
ok okan@, todd@.
