diff options
Diffstat (limited to 'src/client/qwaylanddataoffer.cpp')
| -rw-r--r-- | src/client/qwaylanddataoffer.cpp | 200 |
1 files changed, 132 insertions, 68 deletions
diff --git a/src/client/qwaylanddataoffer.cpp b/src/client/qwaylanddataoffer.cpp index 4c06277fe..8110ce35f 100644 --- a/src/client/qwaylanddataoffer.cpp +++ b/src/client/qwaylanddataoffer.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// 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 "qwaylanddataoffer_p.h" #include "qwaylanddatadevicemanager_p.h" @@ -47,6 +11,8 @@ #include <QtCore/QDebug> +using namespace std::chrono; + QT_BEGIN_NAMESPACE namespace QtWaylandClient { @@ -56,6 +22,65 @@ static QString utf8Text() return QStringLiteral("text/plain;charset=utf-8"); } +static QString uriList() +{ + return QStringLiteral("text/uri-list"); +} + +static QString mozUrl() +{ + return QStringLiteral("text/x-moz-url"); +} + +static QString portalFileTransfer() +{ + return QStringLiteral("application/vnd.portal.filetransfer"); +} + +static QByteArray convertData(const QString &originalMime, const QString &newMime, const QByteArray &data) +{ + if (originalMime == newMime) + return data; + + // Convert text/x-moz-url, which is an UTF-16 string of + // URL and page title pairs, all separated by line breaks, to text/uri-list. + // see also qtbase/src/plugins/platforms/xcb/qxcbmime.cpp + if (originalMime == uriList() && newMime == mozUrl()) { + if (data.size() > 1) { + const quint8 byte0 = data.at(0); + const quint8 byte1 = data.at(1); + + if ((byte0 == 0xff && byte1 == 0xfe) || (byte0 == 0xfe && byte1 == 0xff) + || (byte0 != 0 && byte1 == 0) || (byte0 == 0 && byte1 != 0)) { + QByteArray converted; + const QString str = QString::fromUtf16( + reinterpret_cast<const char16_t *>(data.constData()), data.size() / 2); + if (!str.isNull()) { + const auto urls = QStringView{str}.split(u'\n'); + // Only the URL is interesting, skip the page title. + for (int i = 0; i < urls.size(); i += 2) { + const QUrl url(urls.at(i).trimmed().toString()); + if (url.isValid()) { + converted += url.toEncoded(); + converted += "\r\n"; + } + } + } + return converted; + // 8 byte encoding, remove a possible 0 at the end. + } else { + QByteArray converted = data; + if (converted.endsWith('\0')) + converted.chop(1); + converted += "\r\n"; + return converted; + } + } + } + + return data; +} + QWaylandDataOffer::QWaylandDataOffer(QWaylandDisplay *display, struct ::wl_data_offer *offer) : QtWayland::wl_data_offer(offer) , m_display(display) @@ -82,6 +107,15 @@ QMimeData *QWaylandDataOffer::mimeData() return m_mimeData.data(); } +Qt::DropActions QWaylandDataOffer::supportedActions() const +{ + if (version() < 3) { + return Qt::MoveAction | Qt::CopyAction; + } + + return m_supportedActions; +} + void QWaylandDataOffer::startReceiving(const QString &mimeType, int fd) { receive(mimeType, fd); @@ -93,6 +127,22 @@ void QWaylandDataOffer::data_offer_offer(const QString &mime_type) m_mimeData->appendFormat(mime_type); } +void QWaylandDataOffer::data_offer_action(uint32_t dnd_action) +{ + Q_UNUSED(dnd_action); + // This is the compositor telling the drag target what action it should perform + // It does not map nicely into Qt final drop semantics, other than pretending there is only one supported action? +} + +void QWaylandDataOffer::data_offer_source_actions(uint32_t source_actions) +{ + m_supportedActions = Qt::DropActions(); + if (source_actions & WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE) + m_supportedActions |= Qt::MoveAction; + if (source_actions & WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY) + m_supportedActions |= Qt::CopyAction; +} + QWaylandMimeData::QWaylandMimeData(QWaylandAbstractDataOffer *dataOffer) : m_dataOffer(dataOffer) { @@ -104,8 +154,11 @@ QWaylandMimeData::~QWaylandMimeData() void QWaylandMimeData::appendFormat(const QString &mimeType) { - m_types << mimeType; - m_data.remove(mimeType); // Clear previous contents + // "DELETE" is a potential leftover from XdndActionMode sent by e.g. Firefox, ignore it. + if (mimeType != QLatin1String("DELETE")) { + m_types << mimeType; + m_data.remove(mimeType); // Clear previous contents + } } bool QWaylandMimeData::hasFormat_sys(const QString &mimeType) const @@ -116,6 +169,9 @@ bool QWaylandMimeData::hasFormat_sys(const QString &mimeType) const if (mimeType == QStringLiteral("text/plain") && m_types.contains(utf8Text())) return true; + if (mimeType == uriList() && m_types.contains(mozUrl())) + return true; + return false; } @@ -124,18 +180,21 @@ QStringList QWaylandMimeData::formats_sys() const return m_types; } -QVariant QWaylandMimeData::retrieveData_sys(const QString &mimeType, QVariant::Type type) const +QVariant QWaylandMimeData::retrieveData_sys(const QString &mimeType, QMetaType type) const { Q_UNUSED(type); - if (m_data.contains(mimeType)) - return m_data.value(mimeType); + auto it = m_data.constFind(mimeType); + if (it != m_data.constEnd()) + return *it; QString mime = mimeType; if (!m_types.contains(mimeType)) { if (mimeType == QStringLiteral("text/plain") && m_types.contains(utf8Text())) mime = utf8Text(); + else if (mimeType == uriList() && m_types.contains(mozUrl())) + mime = mozUrl(); else return QVariant(); } @@ -157,37 +216,42 @@ QVariant QWaylandMimeData::retrieveData_sys(const QString &mimeType, QVariant::T } close(pipefd[0]); - m_data.insert(mimeType, content); + + content = convertData(mimeType, mime, content); + + if (mimeType != portalFileTransfer()) + m_data.insert(mimeType, content); + return content; } int QWaylandMimeData::readData(int fd, QByteArray &data) const { - fd_set readset; - FD_ZERO(&readset); - FD_SET(fd, &readset); - struct timeval timeout; - timeout.tv_sec = 1; - timeout.tv_usec = 0; - - int ready = select(FD_SETSIZE, &readset, nullptr, nullptr, &timeout); - if (ready < 0) { - qWarning() << "QWaylandDataOffer: select() failed"; - return -1; - } else if (ready == 0) { - qWarning("QWaylandDataOffer: timeout reading from pipe"); - return -1; - } else { - char buf[4096]; - int n = QT_READ(fd, buf, sizeof buf); - - if (n > 0) { - data.append(buf, n); - n = readData(fd, data); - } else if (n < 0) { - qWarning("QWaylandDataOffer: read() failed"); + struct pollfd readset; + readset.fd = fd; + readset.events = POLLIN; + + Q_FOREVER { + int ready = qt_safe_poll(&readset, 1, QDeadlineTimer(1s)); + if (ready < 0) { + qWarning() << "QWaylandDataOffer: qt_safe_poll() failed"; + return -1; + } else if (ready == 0) { + qWarning("QWaylandDataOffer: timeout reading from pipe"); + return -1; + } else { + char buf[4096]; + int n = QT_READ(fd, buf, sizeof buf); + + if (n < 0) { + qWarning("QWaylandDataOffer: read() failed"); + return -1; + } else if (n == 0) { + return 0; + } else if (n > 0) { + data.append(buf, n); + } } - return n; } } |