00001 /**************************************************************************** 00002 ** 00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 00004 ** All rights reserved. 00005 ** Contact: Nokia Corporation (qt-info@nokia.com) 00006 ** 00007 ** This file is part of the QtGui module of the Qt Toolkit. 00008 ** 00009 ** $QT_BEGIN_LICENSE:LGPL$ 00010 ** Commercial Usage 00011 ** Licensees holding valid Qt Commercial licenses may use this file in 00012 ** accordance with the Qt Commercial License Agreement provided with the 00013 ** Software or, alternatively, in accordance with the terms contained in 00014 ** a written agreement between you and Nokia. 00015 ** 00016 ** GNU Lesser General Public License Usage 00017 ** Alternatively, this file may be used under the terms of the GNU Lesser 00018 ** General Public License version 2.1 as published by the Free Software 00019 ** Foundation and appearing in the file LICENSE.LGPL included in the 00020 ** packaging of this file. Please review the following information to 00021 ** ensure the GNU Lesser General Public License version 2.1 requirements 00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00023 ** 00024 ** In addition, as a special exception, Nokia gives you certain additional 00025 ** rights. These rights are described in the Nokia Qt LGPL Exception 00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module. 00027 ** 00028 ** GNU General Public License Usage 00029 ** Alternatively, this file may be used under the terms of the GNU 00030 ** General Public License version 3.0 as published by the Free Software 00031 ** Foundation and appearing in the file LICENSE.GPL included in the 00032 ** packaging of this file. Please review the following information to 00033 ** ensure the GNU General Public License version 3.0 requirements will be 00034 ** met: http://www.gnu.org/copyleft/gpl.html. 00035 ** 00036 ** If you have questions regarding the use of this file, please contact 00037 ** Nokia at qt-info@nokia.com. 00038 ** $QT_END_LICENSE$ 00039 ** 00040 ****************************************************************************/ 00041 00042 #ifndef QDRAG_H 00043 #define QDRAG_H 00044 00045 #include <QtCore/qobject.h> 00046 00047 QT_BEGIN_HEADER 00048 00049 QT_BEGIN_NAMESPACE 00050 00051 QT_MODULE(Gui) 00052 00053 #ifndef QT_NO_DRAGANDDROP 00054 class QMimeData; 00055 class QDragPrivate; 00056 class QWidget; 00057 class QPixmap; 00058 class QPoint; 00059 class QDragManager; 00060 00061 class Q_GUI_EXPORT QDrag : public QObject 00062 { 00063 Q_OBJECT 00064 Q_DECLARE_PRIVATE(QDrag) 00065 public: 00066 explicit QDrag(QWidget *dragSource); 00067 ~QDrag(); 00068 00069 void setMimeData(QMimeData *data); 00070 QMimeData *mimeData() const; 00071 00072 void setPixmap(const QPixmap &); 00073 QPixmap pixmap() const; 00074 00075 void setHotSpot(const QPoint &hotspot); 00076 QPoint hotSpot() const; 00077 00078 QWidget *source() const; 00079 QWidget *target() const; 00080 00081 Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction); 00082 Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction); 00083 Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction); 00084 00085 void setDragCursor(const QPixmap &cursor, Qt::DropAction action); 00086 00087 Q_SIGNALS: 00088 void actionChanged(Qt::DropAction action); 00089 void targetChanged(QWidget *newTarget); 00090 00091 private: 00092 #ifdef Q_WS_MAC 00093 friend class QWidgetPrivate; 00094 #endif 00095 friend class QDragManager; 00096 Q_DISABLE_COPY(QDrag) 00097 }; 00098 00099 #endif // QT_NO_DRAGANDDROP 00100 00101 QT_END_NAMESPACE 00102 00103 QT_END_HEADER 00104 00105 #endif // QDRAG_H