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: GtkWidget

The 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: GVariant

Parameter for activation.

The argument can be NULL.
The data is owned by the caller of the function.