rem: id = cbx->currentText();
add: if ((cbx->currentItem() >= 0) && (cbx->currentItem() < (int)folders.count())) mDest = folders.at(cbx->currentItem()); else mDest = 0;
context: void KMFilterActionIdentity::applyParamWidgetValue(QWidget* aParamWidget){  QComboBox* cbx = (QComboBox*)aParamWidget;  id = cbx->currentText();}