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#ifndef QABSTRACTSLIDER_P_H

#define QABSTRACTSLIDER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "QtCore/qbasictimer.h"

#include "private/qwidget_p.h"

#include "qstyle.h"

QT_BEGIN_NAMESPACE

class QAbstractSliderPrivate : public QWidgetPrivate

{

    Q_DECLARE_PUBLIC(QAbstractSlider)

public:

    QAbstractSliderPrivate();

    ~QAbstractSliderPrivate();

    void setSteps(int single, int page);

    int minimum, maximum, pageStep, value, position, pressValue;

    /**

     * Call effectiveSingleStep() when changing the slider value.

     */

    int singleStep;

    float offset_accumulated;

    uint tracking : 1;

    uint blocktracking :1;

    uint pressed : 1;

    uint invertedAppearance : 1;

    uint invertedControls : 1;

    Qt::Orientation orientation;

    QBasicTimer repeatActionTimer;

    int repeatActionTime;

    QAbstractSlider::SliderAction repeatAction;

#ifdef QT_KEYPAD_NAVIGATION

    int origValue;

    /**

     */

    bool isAutoRepeating;

    /**

     * When we're auto repeating, we multiply singleStep with this value to

     * get our effective step.

     */

    qreal repeatMultiplier;

    /**

     * The time of when the first auto repeating key press event occurs.

     */

    QTime firstRepeat;

#endif

    inline int effectiveSingleStep() const

    {

        return singleStep

#ifdef QT_KEYPAD_NAVIGATION

        * repeatMultiplier

#endif

        ;

    }

    inline int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }

    inline int overflowSafeAdd(int add) const

    {

        int newValue = value + add;

        if (add > 0 && newValue < value)

            newValue = maximum;

        else if (add < 0 && newValue > value)

            newValue = minimum;

        return newValue;

    }

    inline void setAdjustedSliderPosition(int position)

    {

        Q_Q(QAbstractSlider);

        if (q->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, q)) {

            if ((position > pressValue - 2 * pageStep) && (position < pressValue + 2 * pageStep)) {

                repeatAction = QAbstractSlider::SliderNoAction;

                q->setSliderPosition(pressValue);

                return;

            }

        }

        q->triggerAction(repeatAction);

    }

    bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);

};

QT_END_NAMESPACE

#endif // QABSTRACTSLIDER_P_H