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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDRAG_H
#define QDRAG_H

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_DRAGANDDROP
class QMimeData;
class QDragPrivate;
class QWidget;
class QPixmap;
class QPoint;
class QDragManager;

class Q_GUI_EXPORT QDrag : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDrag)
public:
    explicit QDrag(QWidget *dragSource);
    ~QDrag();

    void setMimeData(QMimeData *data);
    QMimeData *mimeData() const;

    void setPixmap(const QPixmap &);
    QPixmap pixmap() const;

    void setHotSpot(const QPoint &hotspot);
    QPoint hotSpot() const;

    QWidget *source() const;
    QWidget *target() const;

    Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction);
    Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction);
    Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction);

    void setDragCursor(const QPixmap &cursor, Qt::DropAction action);

Q_SIGNALS:
    void actionChanged(Qt::DropAction action);
    void targetChanged(QWidget *newTarget);

private:
#ifdef Q_WS_MAC
    friend class QWidgetPrivate;
#endif
    friend class QDragManager;
    Q_DISABLE_COPY(QDrag)
};

#endif // QT_NO_DRAGANDDROP

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDRAG_H