test prints to debug initial combo model selection

src/i0mapmon_topo.cpp

@@ -139,6 +139,7 @@ void I0mapmon_topo::m_onLambdaChanged(const QVector<double> &la) {
             printf("I0mapmon_topo::m_onLambdaChanged \e[1;33m %f --> %d\e[0m m_cb_model %p \n", la[i], m_cb_model);
             if(m_cb_model)
                 printf("       cb_model not null: found item %p for lam %f\n", m_cb_model->findItem(la.at(i)), la.at(i));
+            printf("checked is \e[1;32m%d\e[0m\n", checked);
             if(checked) {
                 wlens << QString::number(la.at(i));
                 wlens_idx << i;