Stay compatible with older Qt...

analitzagui/operatorsmodel.cpp

@@ -31,10 +31,8 @@ OperatorsModel::OperatorsModel(QObject *parent) : QAbstractTableModel(parent), m
 QHash<int, QByteArray> OperatorsModel::roleNames() const
 {
     auto ret = QAbstractTableModel::roleNames();
-    ret.insert({
-        {IsVariableRole, "isVariable"},
-        {DescriptionRole, "description"}
-    });
+    ret.insert(IsVariableRole, "isVariable");
+    ret.insert(DescriptionRole, "description");
     return ret;
 }
 

analitzaplot/plotsmodel.cpp

@@ -48,9 +48,7 @@ PlotsModel::~PlotsModel()
 QHash<int, QByteArray> PlotsModel::roleNames() const
 {
     auto ret = QAbstractListModel::roleNames();
-    ret.insert({
-        { DescriptionRole, "description" }
-    });
+    ret.insert(DescriptionRole, "description");
     return ret;
 }
 

declarative/analitzadeclarativeplugin.cpp

@@ -35,5 +35,10 @@ void AnalitzaDeclarativePlugin::registerTypes(const char* uri)
     qmlRegisterType<Analitza::PlotsModel>(uri, 1, 0, "PlotsModel");
     qmlRegisterType<Analitza::VariablesModel>(uri, 1, 0, "VariablesModel");
     qmlRegisterType<OperatorsModel>(uri, 1, 0, "OperatorsModel");
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
+    qmlRegisterInterface<Analitza::Variables*>("Analitza::Variables");
+#else
     qmlRegisterInterface<Analitza::Variables>(uri, 1);
+#endif
 }