test prints to debug initial combo model selection

src/i0mapmon_topo.cpp

@@ -138,7 +138,9 @@ void I0mapmon_topo::m_onLambdaChanged(const QVector<double> &la) {
             bool checked = m_cb_model == nullptr || m_cb_model->findItem(la.at(i)) == nullptr || m_cb_model->findItem(la.at(i))->data(Qt::CheckStateRole).toBool();
             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("       cb_model not null: found item %p for lam %f item count %d\n", m_cb_model->findItem(la.at(i)), la.at(i), m_cb_model->rowCount());
+            if(m_cb_model->findItem(la.at(i)), la.at(i))
+                printf("             the item is checked? item : %s checked %d\n", qstoc(m_cb_model->findItem(la.at(i))->text()), m_cb_model->findItem(la.at(i))->data(Qt::CheckStateRole).toBool());
             printf("checked is \e[1;32m%d\e[0m\n", checked);
             if(checked) {
                 wlens << QString::number(la.at(i));