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#include "qplatformclipboard.h"
40
41#ifndef QT_NO_CLIPBOARD
42
43#include <QtGui/private/qguiapplication_p.h>
44#include <QtCore/qmimedata.h>
45
46QT_BEGIN_NAMESPACE
47
48class QClipboardData
49{
50public:
51 QClipboardData();
52 ~QClipboardData();
53
54 void setSource(QMimeData* s)
55 {
56 if (s == src)
57 return;
58 delete src;
59 src = s;
60 }
61 QMimeData* source()
62 { return src; }
63
64private:
65 QMimeData* src;
66};
67
68QClipboardData::QClipboardData()
69{
70 src = nullptr;
71}
72
73QClipboardData::~QClipboardData()
74{
75 delete src;
76}
77
78Q_GLOBAL_STATIC(QClipboardData,q_clipboardData);
79
80/*!
81 \class QPlatformClipboard
82 \since 5.0
83 \internal
84 \preliminary
85 \ingroup qpa
86
87 \brief The QPlatformClipboard class provides an abstraction for the system clipboard.
88 */
89
90QPlatformClipboard::~QPlatformClipboard()
91{
92
93}
94
95QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode)
96{
97 //we know its clipboard
98 Q_UNUSED(mode);
99 return q_clipboardData()->source();
100}
101
102void QPlatformClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
103{
104 //we know its clipboard
105 Q_UNUSED(mode);
106 q_clipboardData()->setSource(data);
107
108 emitChanged(mode);
109}
110
111bool QPlatformClipboard::supportsMode(QClipboard::Mode mode) const
112{
113 return mode == QClipboard::Clipboard;
114}
115
116bool QPlatformClipboard::ownsMode(QClipboard::Mode mode) const
117{
118 Q_UNUSED(mode);
119 return false;
120}
121
122void QPlatformClipboard::emitChanged(QClipboard::Mode mode)
123{
124 if (!QGuiApplicationPrivate::is_app_closing) // QTBUG-39317, prevent emission when closing down.
125 QGuiApplication::clipboard()->emitChanged(mode);
126}
127
128QT_END_NAMESPACE
129
130#endif //QT_NO_CLIPBOARD
131