Class method
GtkWidgetClassquery_action
Declaration [src]
gboolean
gtk_widget_class_query_action (
  GtkWidgetClass* widget_class,
  guint index_,
  GType* owner,
  const char** action_name,
  const GVariantType** parameter_type,
  const char** property_name
)
Description [src]
Returns details about the index_-th action that has been
installed for widget_class during class initialization.
See gtk_widget_class_install_action() for details on
how to install actions.
Note that this function will also return actions defined
by parent classes. You can identify those by looking
at owner.
Parameters
| index_ | guint | 
| Position of the action to query. | |
| owner | GType* | 
| Return location for the type where the action was defined. | |
| The argument will be set by the function. | |
| action_name | const char** | 
| Return location for the action name. | |
| The argument will be set by the function. | |
| The data is owned by the caller of the function. | |
| The value is a NUL terminated UTF-8 string. | |
| parameter_type | GVariantType | 
| Return location for the parameter type. | |
| The argument will be set by the function. | |
| The argument can be set to NULL. | |
| The data is owned by the caller of the function. | |
| property_name | const char** | 
| Return location for the property name. | |
| The argument will be set by the function. | |
| The argument can be set to NULL. | |
| The data is owned by the caller of the function. | |
| The value is a NUL terminated UTF-8 string. |