text: #ifndef PROXYMODEL_H
  #define PROXYMODEL_H
  
  #include <QSortFilterProxyModel>
  
  
  class MProxyModel : public QSortFilterProxyModel
  {
      Q_OBJECT
  
  public:
      explicit MProxyModel(QObject *parent = nullptr);
  
  public:
      Q_INVOKABLE void sort(Qt::SortOrder order = Qt::AscendingOrder);
  };
  
  #endif // PROXYMODEL_H
  