void QgsSymbolSelectorWidget::moveLayerUp() { moveLayerByOffset( -1 ); }
void QgsSymbolV2PropertiesDialog::moveLayerUp() { moveLayerByOffset( -1 ); }
void QgsSymbolSelectorWidget::moveLayerDown() { moveLayerByOffset( + 1 ); }
void QgsSymbolV2PropertiesDialog::moveLayerDown() { moveLayerByOffset( + 1 ); }