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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

source code of qtbase/src/gui/kernel/qplatformclipboard.cpp