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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** 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
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SPREADSHEET_H
+#define SPREADSHEET_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QLabel;
+class QLineEdit;
+class QToolBar;
+class QTableWidgetItem;
+class QTableWidget;
+QT_END_NAMESPACE
+
+class SpreadSheet : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+
+    SpreadSheet(int rows, int cols, QWidget *parent = 0);
+
+public slots:
+    void updateStatus(QTableWidgetItem *item);
+    void updateColor(QTableWidgetItem *item);
+    void updateLineEdit(QTableWidgetItem *item);
+    void returnPressed();
+    void selectColor();
+    void selectFont();
+    void clear();
+    void showAbout();
+
+    void print();
+
+    void actionSum();
+    void actionSubtract();
+    void actionAdd();
+    void actionMultiply();
+    void actionDivide();  
+
+protected:
+    void setupContextMenu();
+    void setupContents();
+
+    void setupMenuBar();
+    void createActions();
+
+    void actionMath_helper(const QString &title, const QString &op);
+    bool runInputDialog(const QString &title,
+                        const QString &c1Text,
+                        const QString &c2Text,
+                        const QString &opText,
+                        const QString &outText,
+                        QString *cell1, QString *cell2, QString *outCell);
+private:
+    QToolBar *toolBar;
+    QAction *colorAction;
+    QAction *fontAction;
+    QAction *firstSeparator;
+    QAction *cell_sumAction;
+    QAction *cell_addAction;
+    QAction *cell_subAction;
+    QAction *cell_mulAction;
+    QAction *cell_divAction;
+    QAction *secondSeparator;
+    QAction *clearAction;
+    QAction *aboutSpreadSheet;
+    QAction *exitAction;
+
+    QAction *printAction;
+
+    QLabel *cellLabel;
+    QTableWidget *table;
+    QLineEdit *formulaInput;
+
+};
+
+void decode_pos(const QString &pos, int *row, int *col);
+QString encode_pos(int row, int col);
+
+
+#endif // SPREADSHEET_H
+