Initial code for supporting an alternative QtQuick based UI for OpenVR

src/utils/keysfiles.cpp

@@ -13,6 +13,7 @@
 using namespace std::chrono;
 
 
+WalletKeysFiles::WalletKeysFiles() = default;  // to please Q_DECLARE_METATYPE
 WalletKeysFiles::WalletKeysFiles(const QFileInfo &info, int networkType, QString address) :
         m_fileName(info.fileName()),
         m_modified(info.lastModified().toSecsSinceEpoch()),
@@ -47,6 +48,10 @@ int WalletKeysFiles::networkType() const {
     return m_networkType;
 }
 
+QVariant WalletKeysFiles::toVariant() const {
+    return QVariant::fromValue<WalletKeysFiles>(*this);
+}
+
 QJsonObject WalletKeysFiles::toJsonObject() const {
     auto item = QJsonObject();
     item["fileName"] = m_fileName;