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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef MODEL_H
++ #define MODEL_H
++
++ #include <QAbstractListModel>
++ #include <QObject>
++ #include <qlist.h>
++
++ class LinearModel : public QAbstractListModel
++ {
++ Q_OBJECT
++ public:
++ LinearModel(QObject *parent = 0)
++ : QAbstractListModel(parent) {}
++
++ int rowCount(const QModelIndex &parent = QModelIndex()) const;
++ QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
++ QVariant data(const QModelIndex &index, int role) const;
++
++ Qt::ItemFlags flags(const QModelIndex &index) const;
++ bool setData(const QModelIndex &index, const QVariant &value,
++ int role = Qt::EditRole);
++
++ bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex());
++ bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex());
++
++ private:
++ QList<int> values;
++ };
++
++ #endif