what mouse focus do you use? If the window gets focus on mouse over that should work, but better to take that upstream, few people of the distribution team have a xinerama setup to play with that
-- Totem doesn't accept keypresses in full-screen mode until mouse click https://launchpad.net/bugs/42181 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs