/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt3Support module of the Qt Toolkit.

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** 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

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**

** 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.

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** If you have questions regarding the use of this file, please contact

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef Q3RANGECONTROL_H

#define Q3RANGECONTROL_H

#include <QtCore/qglobal.h>

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

#ifndef QT_NO_RANGECONTROL

class Q3RangeControlPrivate;

class Q_COMPAT_EXPORT Q3RangeControl

{

public:

    Q3RangeControl();

    Q3RangeControl(int minValue, int maxValue,

                   int lineStep, int pageStep, int value);

    virtual ~Q3RangeControl();

    int                value()                const;

    void        setValue(int);

    void        addPage();

    void        subtractPage();

    void        addLine();

    void        subtractLine();

    int                minValue()        const;

    int                maxValue()        const;

    void        setRange(int minValue, int maxValue);

    void        setMinValue(int minVal);

    void        setMaxValue(int minVal);

    int                lineStep()        const;

    int                pageStep()        const;

    void        setSteps(int line, int page);

    int                bound(int) const;

protected:

    int                positionFromValue(int val, int space) const;

    int                valueFromPosition(int pos, int space) const;

    void        directSetValue(int val);

    int                prevValue()        const;

    virtual void valueChange();

    virtual void rangeChange();

    virtual void stepChange();

private:

    int                minVal, maxVal;

    int                line, page;

    int                val, prevVal;

    Q3RangeControlPrivate * d;

private:

    Q_DISABLE_COPY(Q3RangeControl)

};

inline int Q3RangeControl::value() const

{ return val; }

inline int Q3RangeControl::prevValue() const

{ return prevVal; }

inline int Q3RangeControl::minValue() const

{ return minVal; }

inline int Q3RangeControl::maxValue() const

{ return maxVal; }

inline int Q3RangeControl::lineStep() const

{ return line; }

inline int Q3RangeControl::pageStep() const

{ return page; }

#endif // QT_NO_RANGECONTROL

#ifndef QT_NO_SPINWIDGET

class Q3SpinWidgetPrivate;

class Q_COMPAT_EXPORT Q3SpinWidget : public QWidget

{

    Q_OBJECT

public:

    Q3SpinWidget(QWidget* parent=0, const char* name=0);

    ~Q3SpinWidget();

    void         setEditWidget(QWidget * widget);

    QWidget *         editWidget();

    QRect upRect() const;

    QRect downRect() const;

    void setUpEnabled(bool on);

    void setDownEnabled(bool on);

    bool isUpEnabled() const;

    bool isDownEnabled() const;

    enum ButtonSymbols { UpDownArrows, PlusMinus };

    virtual void        setButtonSymbols(ButtonSymbols bs);

    ButtonSymbols        buttonSymbols() const;

    void arrange();

Q_SIGNALS:

    void stepUpPressed();

    void stepDownPressed();

public Q_SLOTS:

    void stepUp();

    void stepDown();

protected:

    void mousePressEvent(QMouseEvent *e);

    void resizeEvent(QResizeEvent* ev);

    void mouseReleaseEvent(QMouseEvent *e);

    void mouseMoveEvent(QMouseEvent *e);

#ifndef QT_NO_WHEELEVENT

    void wheelEvent(QWheelEvent *);

#endif

    void changeEvent(QEvent *);

    void paintEvent(QPaintEvent *);

private Q_SLOTS:

    void timerDone();

    void timerDoneEx();

private:

    Q3SpinWidgetPrivate * d;

    void updateDisplay();

private:

    Q_DISABLE_COPY(Q3SpinWidget)

};

#endif // QT_NO_RANGECONTROL

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3RANGECONTROL_H