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 | GtkWidget | 
| The widget to which the action belongs. | |
| The data is owned by the caller of the function. | |
| action_name | 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 | GVariant | 
| Parameter for activation. | |
| The data is owned by the caller of the function. |