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lcdrange.h Example File
^{tutorial/t13/lcdrange.h}

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    #ifndef LCDRANGE_H
    #define LCDRANGE_H

    #include <QWidget>

    class QLabel;
    class QSlider;

    class LCDRange : public QWidget
    {
        Q_OBJECT

    public:
        LCDRange(QWidget *parent = 0);
        LCDRange(const QString &text, QWidget *parent = 0);

        int value() const;
        QString text() const;

    public slots:
        void setValue(int value);
        void setRange(int minValue, int maxValue);
        void setText(const QString &text);

    signals:
        void valueChanged(int newValue);

    private:
        void init();

        QSlider *slider;
        QLabel *label;
    };

    #endif