GtkImageMenuItem
A menu item with an icon
A GtkImageMenuItem is a menu item which has an icon next to the text label.
Note that the user can disable display of menu icons, so make sure to still
fill in the text label.
@image_menu_item:
@image:
@image_menu_item:
@Returns:
@Returns:
@stock_id:
@accel_group:
@Returns:
@label:
@Returns:
@label:
@Returns: