w/o QOverload

GUI/View/Sample/SelectionContainerForm.h

@@ -46,7 +46,7 @@ protected:
         m_combo->setCurrentIndex(d.currentIndex());
         m_combo->setMaxVisibleItems(m_combo->count());
 
-        QObject::connect(m_combo, QOverload<int>::of(&QComboBox::currentIndexChanged),
+        QObject::connect(m_combo, &QComboBox::currentIndexChanged,
                          [this, &d](int current) {
                              clear();
                              m_ec->setCurrentIndex(this, current, d);