gdkScreenGetMonitorGeometry
.gtkMenuSetMonitor(object, monitor.num)
object
GtkMenu
monitor.num
GtkMenuPositionFunc
if the
menu should not appear on the same monitor as the pointer. This
information can't be reliably inferred from the coordinates returned
by a GtkMenuPositionFunc
, since, for very long menus, these coordinates
may extend beyond the monitor boundaries or even the screen boundaries.
Since 2.4