diff -r 5664ec82aed7 -r 1d25f5555c38 QTfrontend/model/ammoSchemeModel.h
--- a/QTfrontend/model/ammoSchemeModel.h	Sat Oct 07 03:43:06 2017 +0200
+++ b/QTfrontend/model/ammoSchemeModel.h	Sat Oct 07 18:43:31 2017 +0200
@@ -34,6 +34,7 @@
         QVariant headerData(int section, Qt::Orientation orientation, int role) const;
         int rowCount(const QModelIndex & parent) const;
         int columnCount(const QModelIndex & parent) const;
+        bool hasScheme(QString name);
         Qt::ItemFlags flags(const QModelIndex & index) const;
         bool setData(const QModelIndex & index, const QVariant & value, int role = Qt::EditRole);
         bool insertRows(int row, int count, const QModelIndex & parent = QModelIndex());