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iconsizespinbox.h Example File
^{widgets/icons/iconsizespinbox.h}

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    #ifndef ICONSIZESPINBOX_H
    #define ICONSIZESPINBOX_H

    #include <QSpinBox>

    class IconSizeSpinBox : public QSpinBox
    {
        Q_OBJECT

    public:
        IconSizeSpinBox(QWidget *parent = 0);

        int valueFromText(const QString &text) const;
        QString textFromValue(int value) const;
    };

    #endif