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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 QSIMPLEDRAG_H
+#define QSIMPLEDRAG_H
+
+#include <qpa/qplatformdrag.h>
+
+#include <QtCore/QObject>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_DRAGANDDROP
+
+class QMouseEvent;
+class QWindow;
+class QEventLoop;
+class QDropData;
+class QShapedPixmapWindow;
+
+class Q_GUI_EXPORT QBasicDrag : public QPlatformDrag, public QObject
+{
+public:
+ virtual ~QBasicDrag();
+
+ virtual Qt::DropAction drag(QDrag *drag);
+
+ virtual bool eventFilter(QObject *o, QEvent *e);
+
+protected:
+ QBasicDrag();
+
+ virtual void startDrag();
+ virtual void cancel();
+ virtual void move(const QMouseEvent *me);
+ virtual void drop(const QMouseEvent *me);
+ virtual void endDrag();
+
+ QShapedPixmapWindow *shapedPixmapWindow() const { return m_drag_icon_window; }
+ void updateCursor(Qt::DropAction action);
+
+ bool canDrop() const { return m_can_drop; }
+ void setCanDrop(bool c) { m_can_drop = c; }
+
+ Qt::DropAction executedDropAction() const { return m_executed_drop_action; }
+ void setExecutedDropAction(Qt::DropAction da) { m_executed_drop_action = da; }
+
+ QDrag *drag() const { return m_drag; }
+
+private:
+ void enableEventFilter();
+ void disableEventFilter();
+ void restoreCursor();
+ void exitDndEventLoop();
+
+ bool m_restoreCursor;
+ QEventLoop *m_eventLoop;
+ Qt::DropAction m_executed_drop_action;
+ bool m_can_drop;
+ QDrag *m_drag;
+ QShapedPixmapWindow *m_drag_icon_window;
+};
+
+class Q_GUI_EXPORT QSimpleDrag : public QBasicDrag
+{
+public:
+ QSimpleDrag();
+ virtual QMimeData *platformDropData();
+
+protected:
+ virtual void startDrag();
+ virtual void cancel();
+ virtual void move(const QMouseEvent *me);
+ virtual void drop(const QMouseEvent *me);
+
+private:
+ QWindow *m_current_window;
+};
+
+#endif // QT_NO_DRAGANDDROP
+
+QT_END_NAMESPACE
+
+#endif