/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: 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 qt-info@nokia.com.+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QABSTRACTSCROLLAREA_P_H+
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#define QABSTRACTSCROLLAREA_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include "private/qframe_p.h"+
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#include "qabstractscrollarea.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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#ifndef QT_NO_SCROLLAREA+
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+
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class QScrollBar;+
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class QAbstractScrollAreaScrollBarContainer;+
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class Q_AUTOTEST_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate+
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{+
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    Q_DECLARE_PUBLIC(QAbstractScrollArea)+
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+
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public:+
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    QAbstractScrollAreaPrivate();+
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+
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    void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation);+
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+
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    QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1];+
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    QScrollBar *hbar, *vbar;+
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    Qt::ScrollBarPolicy vbarpolicy, hbarpolicy;+
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+
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    QWidget *viewport;+
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    QWidget *cornerWidget;+
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    QRect cornerPaintingRect;+
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#ifdef Q_WS_MAC+
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    QRect reverseCornerPaintingRect;+
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#endif+
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    int left, top, right, bottom; // viewport margin+
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+
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    int xoffset, yoffset;+
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+
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    void init();+
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    void layoutChildren();+
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    // ### Fix for 4.4, talk to Bjoern E or Girish.+
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    virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy) {}+
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+
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    void _q_hslide(int);+
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    void _q_vslide(int);+
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    void _q_showOrHideScrollBars();+
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+
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    virtual QPoint contentsOffset() const;+
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+
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    inline bool viewportEvent(QEvent *event)+
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    { return q_func()->viewportEvent(event); }+
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    QScopedPointer<QObject> viewportFilter;+
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+
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#ifdef Q_WS_WIN+
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    bool singleFingerPanEnabled;+
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    void setSingleFingerPanEnabled(bool on = true);+
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#endif+
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};+
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+
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class QAbstractScrollAreaFilter : public QObject+
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{+
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    Q_OBJECT+
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public:+
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    QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p)+
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    { setObjectName(QLatin1String("qt_abstractscrollarea_filter")); }+
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    bool eventFilter(QObject *o, QEvent *e)+
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    { return (o == d->viewport ? d->viewportEvent(e) : false); }+
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private:+
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    QAbstractScrollAreaPrivate *d;+
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};+
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+
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class QBoxLayout;+
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class QAbstractScrollAreaScrollBarContainer : public QWidget+
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{+
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public:+
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    enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 };+
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+
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    QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent);+
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    void addWidget(QWidget *widget, LogicalPosition position);+
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    QWidgetList widgets(LogicalPosition position);+
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    void removeWidget(QWidget *widget);+
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+
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    QScrollBar *scrollBar;+
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    QBoxLayout *layout;+
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private:+
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    int scrollBarLayoutIndex() const;+
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+
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    Qt::Orientation orientation;+
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};+
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+
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#endif // QT_NO_SCROLLAREA+
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+
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QT_END_NAMESPACE+
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+
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#endif // QABSTRACTSCROLLAREA_P_H+
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