variantdataset.h Example File | Qt Data Visualization 5.12.4

Qt 5.12 | Qt Data Visualization | Custom Proxy Example | variantdataset.h Example File

Qt Data Visualization | Commercial or GPLv3

# variantdataset.h Example File

customproxy/variantdataset.h

      /****************************************************************************
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      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
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      ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
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      #ifndef VARIANTDATASET_H
      #define VARIANTDATASET_H

      #include <QtCore/QScopedPointer>
      #include <QtCore/QVariantList>

      typedef QVariantList VariantDataItem;
      typedef QList<VariantDataItem *> VariantDataItemList;

      class VariantDataSet : public QObject
      {
          Q_OBJECT

      public:
          explicit VariantDataSet();
          ~VariantDataSet();

          void clear();

          int addItem(VariantDataItem *item);
          int addItems(VariantDataItemList *itemList);

          const VariantDataItemList &itemList() const;

      Q_SIGNALS:
          void itemsAdded(int index, int count);
          void dataCleared();

      private:
          VariantDataItemList m_variantData;

          Q_DISABLE_COPY(VariantDataSet)
      };

      #endif