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1/****************************************************************************
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39
40#include "qwaylanddatasource_p.h"
41#include "qwaylanddataoffer_p.h"
42#include "qwaylanddatadevicemanager_p.h"
43#include "qwaylandinputdevice_p.h"
44#include "qwaylandmimehelper_p.h"
45
46#include <QtCore/QFile>
47
48#include <QtCore/QDebug>
49
50#include <unistd.h>
51#include <signal.h>
52
53QT_BEGIN_NAMESPACE
54
55namespace QtWaylandClient {
56
57QWaylandDataSource::QWaylandDataSource(QWaylandDataDeviceManager *dataDeviceManager, QMimeData *mimeData)
58 : QtWayland::wl_data_source(dataDeviceManager->create_data_source())
59 , m_mime_data(mimeData)
60{
61 if (!mimeData)
62 return;
63 const auto formats = mimeData->formats();
64 for (const QString &format : formats) {
65 offer(format);
66 }
67}
68
69QWaylandDataSource::~QWaylandDataSource()
70{
71 destroy();
72}
73
74QMimeData * QWaylandDataSource::mimeData() const
75{
76 return m_mime_data;
77}
78
79void QWaylandDataSource::data_source_cancelled()
80{
81 Q_EMIT cancelled();
82}
83
84void QWaylandDataSource::data_source_send(const QString &mime_type, int32_t fd)
85{
86 QByteArray content = QWaylandMimeHelper::getByteArray(m_mime_data, mime_type);
87 if (!content.isEmpty()) {
88 // Create a sigpipe handler that does nothing, or clients may be forced to terminate
89 // if the pipe is closed in the other end.
90 struct sigaction action, oldAction;
91 action.sa_handler = SIG_IGN;
92 sigemptyset (&action.sa_mask);
93 action.sa_flags = 0;
94
95 sigaction(SIGPIPE, &action, &oldAction);
96 write(fd, content.constData(), content.size());
97 sigaction(SIGPIPE, &oldAction, nullptr);
98 }
99 close(fd);
100}
101
102void QWaylandDataSource::data_source_target(const QString &mime_type)
103{
104 Q_EMIT targetChanged(mime_type);
105}
106
107}
108
109QT_END_NAMESPACE
110

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