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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwaylanddatasource_p.h"
#include "qwaylanddataoffer_p.h"
#include "qwaylanddatadevicemanager_p.h"
#include "qwaylandinputdevice_p.h"
#include "qwaylandmimehelper_p.h"
#include <QtCore/QFile>
#include <QtCore/QDebug>
#include <unistd.h>
#include <signal.h>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
QWaylandDataSource::QWaylandDataSource(QWaylandDataDeviceManager *dataDeviceManager, QMimeData *mimeData)
: QtWayland::wl_data_source(dataDeviceManager->create_data_source())
, m_mime_data(mimeData)
{
if (!mimeData)
return;
const auto formats = QInternalMimeData::formatsHelper(mimeData);
for (const QString &format : formats) {
offer(format);
}
}
QWaylandDataSource::~QWaylandDataSource()
{
destroy();
}
QMimeData * QWaylandDataSource::mimeData() const
{
return m_mime_data;
}
void QWaylandDataSource::data_source_cancelled()
{
Q_EMIT cancelled();
}
void QWaylandDataSource::data_source_send(const QString &mime_type, int32_t fd)
{
QByteArray content = QWaylandMimeHelper::getByteArray(m_mime_data, mime_type);
if (!content.isEmpty()) {
// Create a sigpipe handler that does nothing, or clients may be forced to terminate
// if the pipe is closed in the other end.
struct sigaction action, oldAction;
action.sa_handler = SIG_IGN;
sigemptyset (&action.sa_mask);
action.sa_flags = 0;
sigaction(SIGPIPE, &action, &oldAction);
ssize_t unused = write(fd, content.constData(), content.size());
Q_UNUSED(unused);
sigaction(SIGPIPE, &oldAction, nullptr);
}
close(fd);
}
void QWaylandDataSource::data_source_target(const QString &mime_type)
{
m_accepted = !mime_type.isEmpty();
Q_EMIT dndResponseUpdated(m_accepted, m_dropAction);
}
void QWaylandDataSource::data_source_action(uint32_t action)
{
Qt::DropAction qtAction = Qt::IgnoreAction;
if (action == WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE)
qtAction = Qt::MoveAction;
else if (action == WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY)
qtAction = Qt::CopyAction;
m_dropAction = qtAction;
Q_EMIT dndResponseUpdated(m_accepted, m_dropAction);
}
void QWaylandDataSource::data_source_dnd_finished()
{
Q_EMIT finished();
}
void QWaylandDataSource::data_source_dnd_drop_performed()
{
Q_EMIT dndDropped(m_accepted, m_dropAction);
}
}
QT_END_NAMESPACE
#include "moc_qwaylanddatasource_p.cpp"
|
