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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDRAG_H
#define QDRAG_H

#include <QtCore/qobject.h>

QT_BEGIN_NAMESPACE


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


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

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

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

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

    QObject *source() const;
    QObject *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);
    QPixmap dragCursor(Qt::DropAction action) const;

    Qt::DropActions supportedActions() const;
    Qt::DropAction defaultAction() const;

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

private:
    friend class QDragManager;
    Q_DISABLE_COPY(QDrag)
};

#endif // QT_NO_DRAGANDDROP

QT_END_NAMESPACE

#endif // QDRAG_H