1// Copyright (C) 2019 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qwaylandprimaryselectionv1_p.h"
5#include "qwaylandinputdevice_p.h"
6#include "qwaylanddisplay_p.h"
7#include "qwaylandmimehelper_p.h"
8
9#include <QtGui/private/qguiapplication_p.h>
10
11#include <qpa/qplatformclipboard.h>
12
13QT_BEGIN_NAMESPACE
14
15namespace QtWaylandClient {
16
17QWaylandPrimarySelectionDeviceManagerV1::QWaylandPrimarySelectionDeviceManagerV1(QWaylandDisplay *display, uint id, uint version)
18 : zwp_primary_selection_device_manager_v1(display->wl_registry(), id, qMin(version, uint(1)))
19 , m_display(display)
20{
21}
22
23QWaylandPrimarySelectionDeviceManagerV1::~QWaylandPrimarySelectionDeviceManagerV1()
24{
25 destroy();
26}
27
28QWaylandPrimarySelectionDeviceV1 *QWaylandPrimarySelectionDeviceManagerV1::createDevice(QWaylandInputDevice *seat)
29{
30 return new QWaylandPrimarySelectionDeviceV1(this, seat);
31}
32
33QWaylandPrimarySelectionOfferV1::QWaylandPrimarySelectionOfferV1(QWaylandDisplay *display, ::zwp_primary_selection_offer_v1 *offer)
34 : zwp_primary_selection_offer_v1(offer)
35 , m_display(display)
36 , m_mimeData(new QWaylandMimeData(this))
37{}
38
39void QWaylandPrimarySelectionOfferV1::startReceiving(const QString &mimeType, int fd)
40{
41 receive(mimeType, fd);
42 wl_display_flush(m_display->wl_display());
43}
44
45void QWaylandPrimarySelectionOfferV1::zwp_primary_selection_offer_v1_offer(const QString &mime_type)
46{
47 m_mimeData->appendFormat(mimeType: mime_type);
48}
49
50QWaylandPrimarySelectionDeviceV1::QWaylandPrimarySelectionDeviceV1(
51 QWaylandPrimarySelectionDeviceManagerV1 *manager, QWaylandInputDevice *seat)
52 : QtWayland::zwp_primary_selection_device_v1(manager->get_device(seat->wl_seat()))
53 , m_display(manager->display())
54 , m_seat(seat)
55{
56}
57
58QWaylandPrimarySelectionDeviceV1::~QWaylandPrimarySelectionDeviceV1()
59{
60 destroy();
61}
62
63void QWaylandPrimarySelectionDeviceV1::invalidateSelectionOffer()
64{
65 if (!m_selectionOffer)
66 return;
67
68 m_selectionOffer.reset();
69 QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(mode: QClipboard::Selection);
70}
71
72void QWaylandPrimarySelectionDeviceV1::setSelectionSource(QWaylandPrimarySelectionSourceV1 *source)
73{
74 if (source) {
75 connect(sender: source, signal: &QWaylandPrimarySelectionSourceV1::cancelled, context: this, slot: [this]() {
76 m_selectionSource.reset();
77 QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(mode: QClipboard::Selection);
78 });
79 }
80 set_selection(source ? source->object() : nullptr, m_seat->serial());
81 m_selectionSource.reset(other: source);
82}
83
84void QWaylandPrimarySelectionDeviceV1::zwp_primary_selection_device_v1_data_offer(zwp_primary_selection_offer_v1 *offer)
85{
86 new QWaylandPrimarySelectionOfferV1(m_display, offer);
87}
88
89void QWaylandPrimarySelectionDeviceV1::zwp_primary_selection_device_v1_selection(zwp_primary_selection_offer_v1 *id)
90{
91
92 if (id)
93 m_selectionOffer.reset(other: static_cast<QWaylandPrimarySelectionOfferV1 *>(zwp_primary_selection_offer_v1_get_user_data(id)));
94 else
95 m_selectionOffer.reset();
96
97 QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(mode: QClipboard::Selection);
98}
99
100QWaylandPrimarySelectionSourceV1::QWaylandPrimarySelectionSourceV1(QWaylandPrimarySelectionDeviceManagerV1 *manager, QMimeData *mimeData)
101 : QtWayland::zwp_primary_selection_source_v1(manager->create_source())
102 , m_mimeData(mimeData)
103{
104 if (!mimeData)
105 return;
106 for (auto &format : mimeData->formats())
107 offer(format);
108}
109
110QWaylandPrimarySelectionSourceV1::~QWaylandPrimarySelectionSourceV1()
111{
112 destroy();
113}
114
115void QWaylandPrimarySelectionSourceV1::zwp_primary_selection_source_v1_send(const QString &mime_type, int32_t fd)
116{
117 QByteArray content = QWaylandMimeHelper::getByteArray(mimeData: m_mimeData, mimeType: mime_type);
118 if (!content.isEmpty()) {
119 // Create a sigpipe handler that does nothing, or clients may be forced to terminate
120 // if the pipe is closed in the other end.
121 struct sigaction action, oldAction;
122 action.sa_handler = SIG_IGN;
123 sigemptyset (set: &action.sa_mask);
124 action.sa_flags = 0;
125
126 sigaction(SIGPIPE, act: &action, oact: &oldAction);
127 ssize_t unused = write(fd: fd, buf: content.constData(), n: size_t(content.size()));
128 Q_UNUSED(unused);
129 sigaction(SIGPIPE, act: &oldAction, oact: nullptr);
130 }
131 close(fd: fd);
132}
133
134} // namespace QtWaylandClient
135
136QT_END_NAMESPACE
137
138#include "moc_qwaylandprimaryselectionv1_p.cpp"
139

source code of qtwayland/src/client/qwaylandprimaryselectionv1.cpp