GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
if (gtk_notebook_get_scrollable(notebook))
i = g_list_position( notebook->children, notebook->first_tab );
GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
if (gtk_notebook_get_scrollable(notebook))
i = g_list_position( notebook->children, notebook->first_tab );