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
46QT_REQUIRE_CONFIG(draganddrop);
47
48QT_BEGIN_NAMESPACE
49
50class QMimeData;
51class QDragPrivate;
52class QPixmap;
53class QPoint;
54class QDragManager;
55
56
57class Q_GUI_EXPORT QDrag : public QObject
58{
59 Q_OBJECT
60 Q_DECLARE_PRIVATE(QDrag)
61public:
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
92Q_SIGNALS:
93 void actionChanged(Qt::DropAction action);
94 void targetChanged(QObject *newTarget);
95
96private:
97 friend class QDragManager;
98 Q_DISABLE_COPY(QDrag)
99};
100
101QT_END_NAMESPACE
102
103#endif // QDRAG_H
104

source code of qtbase/src/gui/kernel/qdrag.h