- Qt 5.5
- Qt Widgets
- Spreadsheet
- spreadsheet.h Example File
- Qt 5.5.1 Reference Documentation

# spreadsheet.h Example File

itemviews/spreadsheet/spreadsheet.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the demonstration applications of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL21$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
    ** Software or, alternatively, in accordance with the terms contained in
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    **
    ** 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 or version 3 as published by the Free
    ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
    ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
    ** following information to ensure the GNU Lesser General Public License
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    ** As a special exception, The Qt Company gives you certain additional
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    ****************************************************************************/

    #ifndef SPREADSHEET_H
    #define SPREADSHEET_H

    #include <QMainWindow>

    class QAction;
    class QLabel;
    class QLineEdit;
    class QToolBar;
    class QTableWidgetItem;
    class QTableWidget;

    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