Function
GtkShortcutFunc
Parameters
widget- 
            
Type:
GtkWidgetThe widget passed to the activation.
The data is owned by the caller of the function.  args- 
            
Type:
GVariantThe arguments passed to the activation.
The argument can be NULL.The data is owned by the caller of the function.  user_data- 
            
Type:
gpointerThe user data provided when activating the action.
The argument can be NULL.The data is owned by the caller of the function.