Function
GtkWidgetActionActivateFunc
Declaration
void
(* GtkWidgetActionActivateFunc) (
  GtkWidget* widget,
  const char* action_name,
  GVariant* parameter
)
Description [src]
The type of the callback functions used for activating actions installed with gtk_widget_class_install_action().
The parameter must match the parameter_type of the action.
Parameters
- widget
- 
            Type: GtkWidgetThe widget to which the action belongs. The data is owned by the caller of the function. 
- action_name
- 
            Type: const char*The action name. The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. 
- parameter
- 
            Type: GVariantParameter for activation. The argument can be NULL.The data is owned by the caller of the function.