added guiNames and backend to initial properties

Author: Tom O'Reilly

src/qt-mbnavedit/main.cpp

@@ -55,14 +55,13 @@ int main(int argc, char *argv[]) {
     QQmlApplicationEngine engine;
 
     GuiNames guiNames;
-    QQmlContext *context = engine.rootContext();
-    context->setContextProperty("GuiNames", &guiNames);
+    
+    QVariantMap initialProps;
+    initialProps.insert("backend", QVariant::fromValue(&backend));
+    initialProps.insert("guiNames", QVariant::fromValue(&guiNames));
 
     // Make backend object and methods accessible to QML
-    engine.setInitialProperties({
-	{ "backend", QVariant::fromValue(&backend) }
-      });    
-
+    engine.setInitialProperties(initialProps);
 
     // Boilerplate...
     const QUrl url(QStringLiteral("qrc:/main.qml"));