A user function supplied when calling gtk_menu_popup() which
controls the positioning of the menu when it is displayed. The
function sets the @x and @y parameters to the coordinates where the
menu is to be drawn. To make the menu appear on a different
monitor than the mouse pointer, gtk_menu_set_monitor() must be
called.
A user function supplied when calling gtk_menu_popup() which controls the positioning of the menu when it is displayed. The function sets the @x and @y parameters to the coordinates where the menu is to be drawn. To make the menu appear on a different monitor than the mouse pointer, gtk_menu_set_monitor() must be called.