/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
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** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/
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** If you are unsure which license is appropriate for your use, please
** review the following information:
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** or contact the sales department at sales@trolltech.com.
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** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
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** In addition, as a special exception, Trolltech, as the sole copyright
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** Trolltech ASA (c) 2007
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef QSCROLLAREA_H
#define QSCROLLAREA_H

#include <QtGui/qabstractscrollarea.h>

QT_BEGIN_HEADER

QT_MODULE(Gui)

#ifndef QT_NO_SCROLLAREA

class QScrollAreaPrivate;

class Q_GUI_EXPORT QScrollArea : public QAbstractScrollArea
{
    Q_OBJECT
    Q_PROPERTY(bool widgetResizable READ widgetResizable WRITE setWidgetResizable)
    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)

public:
    explicit QScrollArea(QWidget* parent=0);
    ~QScrollArea();

    QWidget *widget() const;
    void setWidget(QWidget *widget);
    QWidget *takeWidget();

    bool widgetResizable() const;
    void setWidgetResizable(bool resizable);

    QSize sizeHint() const;
    bool focusNextPrevChild(bool next);

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

    void ensureVisible(int x, int y, int xmargin = 50, int ymargin = 50);
    void ensureWidgetVisible(QWidget *childWidget, int xmargin = 50, int ymargin = 50);

protected:
    QScrollArea(QScrollAreaPrivate &dd, QWidget *parent = 0);
    bool event(QEvent *);
    bool eventFilter(QObject *, QEvent *);
    void resizeEvent(QResizeEvent *);
    void scrollContentsBy(int dx, int dy);

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

#endif // QT_NO_SCROLLAREA

QT_END_HEADER

#endif // QSCROLLAREA_H