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#ifndef QABSTRACTSLIDER_H

#define QABSTRACTSLIDER_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QAbstractSliderPrivate;

class Q_GUI_EXPORT QAbstractSlider : public QWidget

{

    Q_OBJECT

    Q_PROPERTY(int minimum READ minimum WRITE setMinimum)

    Q_PROPERTY(int maximum READ maximum WRITE setMaximum)

    Q_PROPERTY(int singleStep READ singleStep WRITE setSingleStep)

    Q_PROPERTY(int pageStep READ pageStep WRITE setPageStep)

    Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged USER true)

    Q_PROPERTY(int sliderPosition READ sliderPosition WRITE setSliderPosition NOTIFY sliderMoved)

    Q_PROPERTY(bool tracking READ hasTracking WRITE setTracking)

    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)

    Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)

    Q_PROPERTY(bool invertedControls READ invertedControls WRITE setInvertedControls)

    Q_PROPERTY(bool sliderDown READ isSliderDown WRITE setSliderDown DESIGNABLE false)

public:

    explicit QAbstractSlider(QWidget *parent=0);

    ~QAbstractSlider();

    Qt::Orientation orientation() const;

    void setMinimum(int);

    int minimum() const;

    void setMaximum(int);

    int maximum() const;

    void setRange(int min, int max);

    void setSingleStep(int);

    int singleStep() const;

    void setPageStep(int);

    int pageStep() const;

    void setTracking(bool enable);

    bool hasTracking() const;

    void setSliderDown(bool);

    bool isSliderDown() const;

    void setSliderPosition(int);

    int sliderPosition() const;

    void setInvertedAppearance(bool);

    bool invertedAppearance() const;

    void setInvertedControls(bool);

    bool invertedControls() const;

    enum SliderAction {

        SliderNoAction,

        SliderSingleStepAdd,

        SliderSingleStepSub,

        SliderPageStepAdd,

        SliderPageStepSub,

        SliderToMinimum,

        SliderToMaximum,

        SliderMove

    };

    int value() const;

    void triggerAction(SliderAction action);

public Q_SLOTS:

    void setValue(int);

    void setOrientation(Qt::Orientation);

Q_SIGNALS:

    void valueChanged(int value);

    void sliderPressed();

    void sliderMoved(int position);

    void sliderReleased();

    void rangeChanged(int min, int max);

    void actionTriggered(int action);

protected:

    bool event(QEvent *e);

    void setRepeatAction(SliderAction action, int thresholdTime = 500, int repeatTime = 50);

    SliderAction repeatAction() const;

    enum SliderChange {

        SliderRangeChange,

        SliderOrientationChange,

        SliderStepsChange,

        SliderValueChange

    };

    virtual void sliderChange(SliderChange change);

    void keyPressEvent(QKeyEvent *ev);

    void timerEvent(QTimerEvent *);

#ifndef QT_NO_WHEELEVENT

    void wheelEvent(QWheelEvent *e);

#endif

    void changeEvent(QEvent *e);

#ifdef QT3_SUPPORT

public:

    inline QT3_SUPPORT int minValue() const { return minimum(); }

    inline QT3_SUPPORT int maxValue() const { return maximum(); }

    inline QT3_SUPPORT int lineStep() const { return singleStep(); }

    inline QT3_SUPPORT void setMinValue(int v) { setMinimum(v); }

    inline QT3_SUPPORT void setMaxValue(int v) { setMaximum(v); }

    inline QT3_SUPPORT void setLineStep(int v) { setSingleStep(v); }

    inline QT3_SUPPORT void setSteps(int single, int page) { setSingleStep(single); setPageStep(page); }

    inline QT3_SUPPORT void addPage() { triggerAction(SliderPageStepAdd); }

    inline QT3_SUPPORT void subtractPage() { triggerAction(SliderPageStepSub); }

    inline QT3_SUPPORT void addLine() { triggerAction(SliderSingleStepAdd); }

    inline QT3_SUPPORT void subtractLine() { triggerAction(SliderSingleStepSub); }

#endif

protected:

    QAbstractSlider(QAbstractSliderPrivate &dd, QWidget *parent=0);

private:

    Q_DISABLE_COPY(QAbstractSlider)

    Q_DECLARE_PRIVATE(QAbstractSlider)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QABSTRACTSLIDER_H