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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2024 Jie Liu <liujie01@kylinos.cn>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include "qwaylandclipboard_p.h"
#include "qwaylanddisplay_p.h"
#include "qwaylandinputdevice_p.h"
#include "qwaylanddatacontrolv1_p.h"
#include "qwaylanddataoffer_p.h"
#include "qwaylanddatasource_p.h"
#include "qwaylanddatadevice_p.h"
#if QT_CONFIG(wayland_client_primary_selection)
#include "qwaylandprimaryselectionv1_p.h"
#endif
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
QWaylandClipboard::QWaylandClipboard(QWaylandDisplay *display)
: mDisplay(display)
{
m_clientClipboard[QClipboard::Clipboard] = nullptr;
m_clientClipboard[QClipboard::Selection] = nullptr;
}
QWaylandClipboard::~QWaylandClipboard()
{
if (m_clientClipboard[QClipboard::Clipboard] != m_clientClipboard[QClipboard::Selection])
delete m_clientClipboard[QClipboard::Clipboard];
delete m_clientClipboard[QClipboard::Selection];
}
QMimeData *QWaylandClipboard::mimeData(QClipboard::Mode mode)
{
auto *seat = mDisplay->currentInputDevice();
if (!seat)
return &m_emptyData;
switch (mode) {
case QClipboard::Clipboard:
if (auto *dataControlDevice = seat->dataControlDevice()) {
if (dataControlDevice->selectionSource())
return m_clientClipboard[QClipboard::Clipboard];
if (auto *offer = dataControlDevice->selectionOffer())
return offer->mimeData();
}
if (auto *dataDevice = seat->dataDevice()) {
if (dataDevice->selectionSource())
return m_clientClipboard[QClipboard::Clipboard];
if (auto *offer = dataDevice->selectionOffer())
return offer->mimeData();
}
return &m_emptyData;
case QClipboard::Selection:
if (auto *dataControlDevice = seat->dataControlDevice()) {
if (dataControlDevice->primarySelectionSource())
return m_clientClipboard[QClipboard::Selection];
if (auto *offer = dataControlDevice->primarySelectionOffer())
return offer->mimeData();
}
#if QT_CONFIG(wayland_client_primary_selection)
if (auto *selectionDevice = seat->primarySelectionDevice()) {
if (selectionDevice->selectionSource())
return m_clientClipboard[QClipboard::Selection];
if (auto *offer = selectionDevice->selectionOffer())
return offer->mimeData();
}
#endif
return &m_emptyData;
default:
return &m_emptyData;
}
}
void QWaylandClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode)
{
auto *seat = mDisplay->currentInputDevice();
if (!seat) {
qCWarning(lcQpaWayland) << "Can't set clipboard contents with no wl_seats available";
return;
}
if (data && m_clientClipboard[mode] == data) // Already set before?
return;
static const QString plain = QStringLiteral("text/plain");
static const QString utf8 = QStringLiteral("text/plain;charset=utf-8");
if (data && data->hasFormat(plain) && !data->hasFormat(utf8))
data->setData(utf8, data->data(plain));
auto oldMimeData = std::exchange(m_clientClipboard[mode], data);
const auto otherMode = mode == QClipboard::Clipboard ? QClipboard::Selection
: QClipboard::Clipboard;
if (oldMimeData != m_clientClipboard[otherMode])
delete oldMimeData;
switch (mode) {
case QClipboard::Clipboard:
if (auto *dataControlDevice = seat->dataControlDevice()) {
dataControlDevice->setSelectionSource(data ? new QWaylandDataControlSourceV1(mDisplay->dataControlManager(),
m_clientClipboard[QClipboard::Clipboard]) : nullptr);
emitChanged(mode);
} else if (auto *dataDevice = seat->dataDevice()) {
dataDevice->setSelectionSource(data ? new QWaylandDataSource(mDisplay->dndSelectionHandler(),
m_clientClipboard[QClipboard::Clipboard]) : nullptr);
emitChanged(mode);
}
break;
case QClipboard::Selection:
if (auto *dataControlDevice = seat->dataControlDevice()) {
dataControlDevice->setPrimarySelectionSource(data ? new QWaylandDataControlSourceV1(mDisplay->dataControlManager(),
m_clientClipboard[QClipboard::Selection]) : nullptr);
emitChanged(mode);
#if QT_CONFIG(wayland_client_primary_selection)
} else if (auto *selectionDevice = seat->primarySelectionDevice()) {
selectionDevice->setSelectionSource(data ? new QWaylandPrimarySelectionSourceV1(mDisplay->primarySelectionManager(),
m_clientClipboard[QClipboard::Selection]) : nullptr);
emitChanged(mode);
#endif
}
break;
default:
break;
}
}
bool QWaylandClipboard::supportsMode(QClipboard::Mode mode) const
{
if (mode == QClipboard::Selection) {
auto *seat = mDisplay->currentInputDevice();
if (!seat)
return false;
if (seat->dataControlDevice())
return true;
#if QT_CONFIG(wayland_client_primary_selection)
if (seat->primarySelectionDevice())
return true;
#endif
return false;
}
return mode == QClipboard::Clipboard;
}
bool QWaylandClipboard::ownsMode(QClipboard::Mode mode) const
{
QWaylandInputDevice *seat = mDisplay->currentInputDevice();
if (!seat)
return false;
switch (mode) {
case QClipboard::Clipboard:
if (seat->dataControlDevice() && seat->dataControlDevice()->selectionSource() != nullptr)
return true;
return seat->dataDevice() && seat->dataDevice()->selectionSource() != nullptr;
case QClipboard::Selection:
if (seat->dataControlDevice() && seat->dataControlDevice()->primarySelectionSource() != nullptr)
return true;
#if QT_CONFIG(wayland_client_primary_selection)
return seat->primarySelectionDevice() && seat->primarySelectionDevice()->selectionSource() != nullptr;
#endif
default:
return false;
}
}
}
QT_END_NAMESPACE