gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",
gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",