summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qplatformclipboard.cpp
blob: 3774a6be1155cba0a9e6bc2684e02d2d98fa1049 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
/****************************************************************************
**
** Copyright (C) 2014 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.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qplatformclipboard.h"

#ifndef QT_NO_CLIPBOARD

#include <QtGui/private/qguiapplication_p.h>
#include <QtCore/qmimedata.h>

QT_BEGIN_NAMESPACE

class QClipboardData
{
public:
    QClipboardData();
   ~QClipboardData();

    void setSource(QMimeData* s)
    {
        if (s == src)
            return;
        delete src;
        src = s;
    }
    QMimeData* source()
        { return src; }

private:
    QMimeData* src;
};

QClipboardData::QClipboardData()
{
    src = 0;
}

QClipboardData::~QClipboardData()
{
    delete src;
}

Q_GLOBAL_STATIC(QClipboardData,q_clipboardData);

/*!
    \class QPlatformClipboard
    \since 5.0
    \internal
    \preliminary
    \ingroup qpa

    \brief The QPlatformClipboard class provides an abstraction for the system clipboard.
 */

QPlatformClipboard::~QPlatformClipboard()
{

}

QMimeData *QPlatformClipboard::mimeData(QClipboard::Mode mode)
{
    //we know its clipboard
    Q_UNUSED(mode);
    return q_clipboardData()->source();
}

void QPlatformClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
{
    //we know its clipboard
    Q_UNUSED(mode);
    q_clipboardData()->setSource(data);

    emitChanged(mode);
}

bool QPlatformClipboard::supportsMode(QClipboard::Mode mode) const
{
    return mode == QClipboard::Clipboard;
}

bool QPlatformClipboard::ownsMode(QClipboard::Mode mode) const
{
    Q_UNUSED(mode);
    return false;
}

void QPlatformClipboard::emitChanged(QClipboard::Mode mode)
{
    if (!QGuiApplicationPrivate::is_app_closing) // QTBUG-39317, prevent emission when closing down.
        QGuiApplication::clipboard()->emitChanged(mode);
}

QT_END_NAMESPACE

#endif //QT_NO_CLIPBOARD