2006-04-13  Anders Carlsson  <andersca@imendio.com>

        * gdk/quartz/gdkevents-quartz.c:
        (synthesize_enter_event):
        (synthesize_leave_event):
        (synthesize_crossing_events):
        Take grabs into account.

        (find_window_for_event):
        Only return grabbed window when owner_events is FALSE.