src/hbwidgets/sliders/hbabstractslidercontrol_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 18:33:25 +0300
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Revision: 201023 Kit: 2010125
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/****************************************************************************
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**
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (developer.feedback@nokia.com)
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**
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** This file is part of the HbWidgets module of the UI Extensions for Mobile.
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at developer.feedback@nokia.com.
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**
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****************************************************************************/
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#ifndef HBABSTRACTSLIDERCONTROL_P_H
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#define HBABSTRACTSLIDERCONTROL_P_H
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#include "hbabstractslidercontrol.h"
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#include "hbwidget_p.h"
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#include <QStyle>
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#include <QBasicTimer>
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#include <QApplication>
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class HbAbstractSliderControlPrivate : public HbWidgetPrivate
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{
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    Q_DECLARE_PUBLIC(HbAbstractSliderControl)
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public:
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    HbAbstractSliderControlPrivate();
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    ~HbAbstractSliderControlPrivate();
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    void setSteps(int single, int page);
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    inline int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }
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    inline int overflowSafeAdd(int add) const
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    {
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        int newValue = value + add;
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        if (add > 0 && newValue < value)
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            newValue = maximum;
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        else if (add < 0 && newValue > value)
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            newValue = minimum;
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        return newValue;
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    }
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    inline void adjustSliderPosition(int step)
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    {
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        Q_Q(HbAbstractSliderControl);
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        // NOTE: the widget parameter is not used by
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        // QStyle::styleHint(QStyle::SH_Slider_StopMouseOverSlider)
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		if (qApp->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, 0)) {
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            if (qAbs(position - pressValue) < step) {
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                repeatAction = HbAbstractSliderControl::SliderNoAction;
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                q->setSliderPosition(pressValue);
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                return;
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            }
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        }
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        q->triggerAction(repeatAction);
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    }
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    //data member
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    int minimum;
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    int maximum;
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    int singleStep;
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    int pageStep;
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    int value;
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    int position;
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    int pressValue;
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    uint tracking : 1;
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    uint blocktracking :1;
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    uint pressed : 1;
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    uint invertedAppearance : 1;
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    uint invertedControls : 1;
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    Qt::Orientation orientation;
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    QBasicTimer repeatActionTimer;
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    int repeatActionTime;
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    HbAbstractSliderControl::SliderAction repeatAction;
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    int origValue;
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};
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#endif // HBABSTRACTSLIDERCONTROL_P_H