Qt 4.8: spreadsheetitem.h Example File (demos/spreadsheet/spreadsheetitem.h)

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# spreadsheetitem.h Example File

demos/spreadsheet/spreadsheetitem.h

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
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     ** This file is part of the demonstration applications of the Qt Toolkit.
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     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
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     #ifndef SPREADSHEETITEM_H
     #define SPREADSHEETITEM_H

     #include <QTableWidgetItem>
     #include <QtGui>
     #include "spreadsheet.h"

     class SpreadSheetItem : public QTableWidgetItem
     {
     public:
         SpreadSheetItem();
         SpreadSheetItem(const QString &text);

         QTableWidgetItem *clone() const;

         QVariant data(int role) const;
         void setData(int role, const QVariant &value);
         QVariant display() const;

         inline QString formula() const
         { return QTableWidgetItem::data(Qt::DisplayRole).toString(); }

         static QVariant computeFormula(const QString &formula,
                                        const QTableWidget *widget,
                                        const QTableWidgetItem *self = 0);

     private:
         mutable bool isResolving;
     };

     #endif // SPREADSHEETITEM_H