the GtkMenu
return location for the x position. out
return location for the y position. out
whether the first menu item should be offset (pushed in) to be aligned with the menu popup position (only useful for GtkOptionMenu). out
the status icon to position the menu on. [type GtkStatusIcon]
Menu positioning function to use with gtk_menu_popup() to position menu aligned to the status icon user_data. Since 2.10