/****************************************************************************+
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**+
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** Copyright (C) 2009 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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**+
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**+
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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_H+
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#define QABSTRACTSCROLLAREA_H+
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+
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#include <QtGui/qframe.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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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 QAbstractScrollAreaPrivate;+
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+
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class Q_GUI_EXPORT QAbstractScrollArea : public QFrame+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(Qt::ScrollBarPolicy verticalScrollBarPolicy READ verticalScrollBarPolicy WRITE setVerticalScrollBarPolicy)+
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    Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy)+
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+
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public:+
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    explicit QAbstractScrollArea(QWidget* parent=0);+
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    ~QAbstractScrollArea();+
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+
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    Qt::ScrollBarPolicy verticalScrollBarPolicy() const;+
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    void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy);+
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    QScrollBar *verticalScrollBar() const;+
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    void setVerticalScrollBar(QScrollBar *scrollbar);+
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+
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    Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;+
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    void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy);+
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    QScrollBar *horizontalScrollBar() const;+
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    void setHorizontalScrollBar(QScrollBar *scrollbar);+
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+
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    QWidget *cornerWidget() const;+
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    void setCornerWidget(QWidget *widget);+
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+
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    void addScrollBarWidget(QWidget *widget, Qt::Alignment alignment);+
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    QWidgetList scrollBarWidgets(Qt::Alignment alignment);+
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+
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    QWidget *viewport() const;+
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    void setViewport(QWidget *widget);+
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    QSize maximumViewportSize() const;+
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+
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    QSize minimumSizeHint() const;+
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+
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    QSize sizeHint() const;+
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+
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protected Q_SLOTS:+
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    void setupViewport(QWidget *viewport);+
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+
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protected:+
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    QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0);+
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    void setViewportMargins(int left, int top, int right, int bottom);+
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+
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    bool event(QEvent *);+
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    virtual bool viewportEvent(QEvent *);+
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+
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    void resizeEvent(QResizeEvent *);+
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    void paintEvent(QPaintEvent *);+
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    void mousePressEvent(QMouseEvent *);+
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    void mouseReleaseEvent(QMouseEvent *);+
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    void mouseDoubleClickEvent(QMouseEvent *);+
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    void mouseMoveEvent(QMouseEvent *);+
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#ifndef QT_NO_WHEELEVENT+
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    void wheelEvent(QWheelEvent *);+
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#endif+
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#ifndef QT_NO_CONTEXTMENU+
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    void contextMenuEvent(QContextMenuEvent *);+
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#endif+
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#ifndef QT_NO_DRAGANDDROP+
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    void dragEnterEvent(QDragEnterEvent *);+
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    void dragMoveEvent(QDragMoveEvent *);+
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    void dragLeaveEvent(QDragLeaveEvent *);+
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    void dropEvent(QDropEvent *);+
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#endif+
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+
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    void keyPressEvent(QKeyEvent *);+
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+
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    virtual void scrollContentsBy(int dx, int dy);+
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+
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private:+
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    Q_DECLARE_PRIVATE(QAbstractScrollArea)+
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    Q_DISABLE_COPY(QAbstractScrollArea)+
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    Q_PRIVATE_SLOT(d_func(), void _q_hslide(int))+
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    Q_PRIVATE_SLOT(d_func(), void _q_vslide(int))+
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    Q_PRIVATE_SLOT(d_func(), void _q_showOrHideScrollBars())+
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+
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    friend class QStyleSheetStyle;+
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    friend class QWidgetPrivate;+
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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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QT_END_HEADER+
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+
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#endif // QABSTRACTSCROLLAREA_H+
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