Method
GioActionGroupactivate_action
since: 2.28
Declaration [src]
void
g_action_group_activate_action (
  GActionGroup* action_group,
  const gchar* action_name,
  GVariant* parameter
)
Description [src]
Activate the named action within action_group.
If the action is expecting a parameter, then the correct type of
parameter must be given as parameter.  If the action is expecting no
parameters then parameter must be NULL.  See
g_action_group_get_action_parameter_type().
If the GActionGroup implementation supports asynchronous remote
activation over D-Bus, this call may return before the relevant
D-Bus traffic has been sent, or any replies have been received. In
order to block on such asynchronous activation calls,
g_dbus_connection_flush() should be called prior to the code, which
depends on the result of the action activation. Without flushing
the D-Bus connection, there is no guarantee that the action would
have been activated.
The following code which runs in a remote app instance, shows an
example of a ‘quit’ action being activated on the primary app
instance over D-Bus. Here g_dbus_connection_flush() is called before exit(). Without g_dbus_connection_flush(), the ‘quit’ action
may fail to be activated on the primary instance.
// call ‘quit’ action on primary instance
g_action_group_activate_action (G_ACTION_GROUP (app), "quit", NULL);
// make sure the action is activated now
g_dbus_connection_flush (…);
g_debug ("Application has been terminated. Exiting.");
exit (0);
Available since: 2.28
Parameters
- action_name
- 
            Type: const gchar*The name of the action to activate. The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. 
- parameter
- 
            Type: GVariantParameters to the activation. The argument can be NULL.The data is owned by the caller of the method.