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// Copyright (C) 2019 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 "qwaylandprimaryselectionv1_p.h"
#include "qwaylandinputdevice_p.h"
#include "qwaylanddisplay_p.h"
#include "qwaylandmimehelper_p.h"
#include <QtGui/private/qguiapplication_p.h>
#include <qpa/qplatformclipboard.h>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
QWaylandPrimarySelectionDeviceManagerV1::QWaylandPrimarySelectionDeviceManagerV1(QWaylandDisplay *display, uint id, uint version)
: zwp_primary_selection_device_manager_v1(display->wl_registry(), id, qMin(version, uint(1)))
, m_display(display)
{
}
QWaylandPrimarySelectionDeviceManagerV1::~QWaylandPrimarySelectionDeviceManagerV1()
{
destroy();
}
QWaylandPrimarySelectionDeviceV1 *QWaylandPrimarySelectionDeviceManagerV1::createDevice(QWaylandInputDevice *seat)
{
return new QWaylandPrimarySelectionDeviceV1(this, seat);
}
QWaylandPrimarySelectionOfferV1::QWaylandPrimarySelectionOfferV1(QWaylandDisplay *display, ::zwp_primary_selection_offer_v1 *offer)
: zwp_primary_selection_offer_v1(offer)
, m_display(display)
, m_mimeData(new QWaylandMimeData(this))
{}
void QWaylandPrimarySelectionOfferV1::startReceiving(const QString &mimeType, int fd)
{
receive(mimeType, fd);
wl_display_flush(m_display->wl_display());
}
void QWaylandPrimarySelectionOfferV1::zwp_primary_selection_offer_v1_offer(const QString &mime_type)
{
m_mimeData->appendFormat(mime_type);
}
QWaylandPrimarySelectionDeviceV1::QWaylandPrimarySelectionDeviceV1(
QWaylandPrimarySelectionDeviceManagerV1 *manager, QWaylandInputDevice *seat)
: QtWayland::zwp_primary_selection_device_v1(manager->get_device(seat->wl_seat()))
, m_display(manager->display())
, m_seat(seat)
{
}
QWaylandPrimarySelectionDeviceV1::~QWaylandPrimarySelectionDeviceV1()
{
destroy();
}
void QWaylandPrimarySelectionDeviceV1::invalidateSelectionOffer()
{
if (!m_selectionOffer)
return;
m_selectionOffer.reset();
QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Selection);
}
void QWaylandPrimarySelectionDeviceV1::setSelectionSource(QWaylandPrimarySelectionSourceV1 *source)
{
if (source) {
connect(source, &QWaylandPrimarySelectionSourceV1::cancelled, this, [this]() {
m_selectionSource.reset();
QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Selection);
});
}
set_selection(source ? source->object() : nullptr, m_seat->serial());
m_selectionSource.reset(source);
}
void QWaylandPrimarySelectionDeviceV1::zwp_primary_selection_device_v1_data_offer(zwp_primary_selection_offer_v1 *offer)
{
new QWaylandPrimarySelectionOfferV1(m_display, offer);
}
void QWaylandPrimarySelectionDeviceV1::zwp_primary_selection_device_v1_selection(zwp_primary_selection_offer_v1 *id)
{
if (id)
m_selectionOffer.reset(static_cast<QWaylandPrimarySelectionOfferV1 *>(zwp_primary_selection_offer_v1_get_user_data(id)));
else
m_selectionOffer.reset();
QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Selection);
}
QWaylandPrimarySelectionSourceV1::QWaylandPrimarySelectionSourceV1(QWaylandPrimarySelectionDeviceManagerV1 *manager, QMimeData *mimeData)
: QtWayland::zwp_primary_selection_source_v1(manager->create_source())
, m_mimeData(mimeData)
{
if (!mimeData)
return;
for (auto &format : mimeData->formats())
offer(format);
}
QWaylandPrimarySelectionSourceV1::~QWaylandPrimarySelectionSourceV1()
{
destroy();
}
void QWaylandPrimarySelectionSourceV1::zwp_primary_selection_source_v1_send(const QString &mime_type, int32_t fd)
{
QByteArray content = QWaylandMimeHelper::getByteArray(m_mimeData, 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(), size_t(content.size()));
Q_UNUSED(unused);
sigaction(SIGPIPE, &oldAction, nullptr);
}
close(fd);
}
} // namespace QtWaylandClient
QT_END_NAMESPACE
#include "moc_qwaylandprimaryselectionv1_p.cpp"
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