rem: void KMFilterActionIdentity::setParamWidgetValue( QWidget * paramWidget ) const
add: void KMFilterActionAddHeader::setParamWidgetValue( QWidget* paramWidget ) const
context: void KMFilterActionIdentity::setParamWidgetValue( QWidget * paramWidget ) const{  IdentityCombo * ic = dynamic_cast<IdentityCombo*>( paramWidget );  assert( ic );  ic->setCurrentIdentity( mParameter );}