1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QDRAG_H 41 #define QDRAG_H 42 43 #include <QtGui/qtguiglobal.h> 44 #include <QtCore/qobject.h> 45 46 QT_REQUIRE_CONFIG(draganddrop); 47 48 QT_BEGIN_NAMESPACE 49 50 class QMimeData; 51 class QDragPrivate; 52 class QPixmap; 53 class QPoint; 54 class QDragManager; 55 56 57 class Q_GUI_EXPORT QDrag : public QObject 58 { 59 Q_OBJECT 60 Q_DECLARE_PRIVATE(QDrag) 61 public: 62 explicit QDrag(QObject *dragSource); 63 ~QDrag(); 64 65 void setMimeData(QMimeData *data); 66 QMimeData *mimeData() const; 67 68 void setPixmap(const QPixmap &); 69 QPixmap pixmap() const; 70 71 void setHotSpot(const QPoint &hotspot); 72 QPoint hotSpot() const; 73 74 QObject *source() const; 75 QObject *target() const; 76 77 #if QT_DEPRECATED_SINCE(5, 13) 78 QT_DEPRECATED_X("Use QDrag::exec() instead") 79 Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction); 80 #endif 81 Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction); 82 Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction); 83 84 void setDragCursor(const QPixmap &cursor, Qt::DropAction action); 85 QPixmap dragCursor(Qt::DropAction action) const; 86 87 Qt::DropActions supportedActions() const; 88 Qt::DropAction defaultAction() const; 89 90 static void cancel(); 91 92 Q_SIGNALS: 93 void actionChanged(Qt::DropAction action); 94 void targetChanged(QObject *newTarget); 95 96 private: 97 friend class QDragManager; 98 Q_DISABLE_COPY(QDrag) 99 }; 100 101 QT_END_NAMESPACE 102 103 #endif // QDRAG_H 104