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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtGui module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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****************************************************************************/

#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(); //### Qt5 make const
    bool invertedAppearance() const { return const_cast<QProgressBar *>(this)->invertedAppearance(); }
    void setTextDirection(QProgressBar::Direction textDirection);
    QProgressBar::Direction textDirection(); //### Qt5 make const
    QProgressBar::Direction textDirection() const { return const_cast<QProgressBar *>(this)->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
