/****************************************************************************+
−
**+
−
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
−
** All rights reserved.+
−
** Contact: Nokia Corporation (qt-info@nokia.com)+
−
**+
−
** This file is part of the QtGui module of the Qt Toolkit.+
−
**+
−
** $QT_BEGIN_LICENSE:LGPL$+
−
** No Commercial Usage+
−
** This file contains pre-release code and may not be distributed.+
−
** You may use this file in accordance with the terms and conditions+
−
** contained in the Technology Preview License Agreement accompanying+
−
** this package.+
−
**+
−
** 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 as published by the Free Software+
−
** Foundation and appearing in the file LICENSE.LGPL included in the+
−
** packaging of this file.  Please review the following information to+
−
** ensure the GNU Lesser General Public License version 2.1 requirements+
−
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
−
**+
−
** In addition, as a special exception, Nokia gives you certain additional+
−
** rights.  These rights are described in the Nokia Qt LGPL Exception+
−
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
−
**+
−
** If you have questions regarding the use of this file, please contact+
−
** Nokia at qt-info@nokia.com.+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
**+
−
** $QT_END_LICENSE$+
−
**+
−
****************************************************************************/+
−
+
−
#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+
−