- g_signal_connect (m_widget, "switch_page",
- G_CALLBACK (gtk_notebook_page_changing_callback), this);
-
- g_signal_connect_after (m_widget, "switch_page",
- G_CALLBACK (gtk_notebook_page_changed_callback), this);
+ g_signal_handlers_unblock_by_func(m_widget,
+ (gpointer)gtk_notebook_page_changed_callback, this);