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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QPROGRESSBAR_H
#define QPROGRESSBAR_H

#include <QtGui/qframe.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_PROGRESSBAR

class QProgressBarPrivate;
class QStyleOptionProgressBar;

class Q_GUI_EXPORT QProgressBar : public QWidget
{
    Q_OBJECT
    Q_ENUMS(Direction)
    Q_PROPERTY(int minimum READ minimum WRITE setMinimum)
    Q_PROPERTY(int maximum READ maximum WRITE setMaximum)
    Q_PROPERTY(QString text READ text)
    Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged)
    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
    Q_PROPERTY(bool textVisible READ isTextVisible WRITE setTextVisible)
    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
    Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)
    Q_PROPERTY(Direction textDirection READ textDirection WRITE setTextDirection)
    Q_PROPERTY(QString format READ format WRITE setFormat)

public:
    enum Direction { TopToBottom, BottomToTop };

    explicit QProgressBar(QWidget *parent = 0);

    int minimum() const;
    int maximum() const;

    int value() const;

    virtual QString text() const;
    void setTextVisible(bool visible);
    bool isTextVisible() const;

    Qt::Alignment alignment() const;
    void setAlignment(Qt::Alignment alignment);

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    Qt::Orientation orientation() const;

    void setInvertedAppearance(bool invert);
    bool invertedAppearance();
    void setTextDirection(QProgressBar::Direction textDirection);
    QProgressBar::Direction textDirection();

    void setFormat(const QString &format);
    QString format() const;

public Q_SLOTS:
    void reset();
    void setRange(int minimum, int maximum);
    void setMinimum(int minimum);
    void setMaximum(int maximum);
    void setValue(int value);
    void setOrientation(Qt::Orientation);

Q_SIGNALS:
    void valueChanged(int value);

protected:
    bool event(QEvent *e);
    void paintEvent(QPaintEvent *);
    void initStyleOption(QStyleOptionProgressBar *option) const;

private:
    Q_DECLARE_PRIVATE(QProgressBar)
    Q_DISABLE_COPY(QProgressBar)
};

#endif // QT_NO_PROGRESSBAR

QT_END_NAMESPACE

QT_END_HEADER

#endif // QPROGRESSBAR_H