GtkRequisition req;
(* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request ) (m_widget, &req );
m_width = req.width + m_xMargin;
GtkRequisition req;
(* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request ) (m_widget, &req );
m_width = req.width + m_xMargin;