rem: IdentityCombo * ic = dynamic_cast<IdentityCombo*>( paramWidget ); assert( ic ); mParameter = ic->currentIdentity();
add: QComboBox *cb = (QComboBox*)paramWidget->child("combo"); Q_ASSERT( cb ); mParameter = cb->currentText();  QLineEdit *le = (QLineEdit*)paramWidget->child("ledit"); Q_ASSERT( le ); mValue = le->text();
context: void KMFilterActionIdentity::applyParamWidgetValue( QWidget * paramWidget ){  IdentityCombo * ic = dynamic_cast<IdentityCombo*>( paramWidget );  assert( ic );  mParameter = ic->currentIdentity();}