| /*************************************************************************** |
| ** |
| ** Copyright (C) 2011 - 2012 Research In Motion |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #if !defined(QT_NO_CLIPBOARD) |
| |
| #include "qqnxclipboard.h" |
| |
| #include <QtGui/QColor> |
| |
| #include <QtCore/QDebug> |
| #include <QtCore/QMimeData> |
| #include <QtCore/QStringList> |
| #include <QtCore/QUrl> |
| |
| #include <clipboard/clipboard.h> |
| #include <errno.h> |
| |
| #if defined(QQNXCLIPBOARD_DEBUG) |
| #define qClipboardDebug qDebug |
| #else |
| #define qClipboardDebug QT_NO_QDEBUG_MACRO |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| // null terminated array |
| static const char *typeList[] = {"text/html", "text/plain", "image/png", "image/jpeg", "application/x-color", 0}; |
| |
| static QByteArray readClipboardBuff(const char *type) |
| { |
| char *pbuffer; |
| if (is_clipboard_format_present(type) == 0) { |
| int size = get_clipboard_data(type, &pbuffer); |
| if (size != -1 && pbuffer) { |
| const QByteArray result = QByteArray(pbuffer, size); |
| free(pbuffer); |
| return result; |
| } |
| } |
| |
| return QByteArray(); |
| } |
| |
| class QQnxClipboard::MimeData : public QMimeData |
| { |
| Q_OBJECT |
| public: |
| MimeData(QQnxClipboard *clipboard) |
| : QMimeData(), |
| m_clipboard(clipboard), |
| m_userMimeData(0) |
| { |
| Q_ASSERT(clipboard); |
| |
| for (int i = 0; typeList[i] != 0; ++i) { |
| m_formatsToCheck << QString::fromUtf8(typeList[i]); |
| } |
| } |
| |
| ~MimeData() |
| { |
| delete m_userMimeData; |
| } |
| |
| void addFormatToCheck(const QString &format) { |
| m_formatsToCheck << format; |
| qClipboardDebug() << "formats=" << m_formatsToCheck; |
| } |
| |
| bool hasFormat(const QString &mimetype) const override |
| { |
| const bool result = is_clipboard_format_present(mimetype.toUtf8().constData()) == 0; |
| qClipboardDebug() << "mimetype=" << mimetype << "result=" << result; |
| return result; |
| } |
| |
| QStringList formats() const override |
| { |
| QStringList result; |
| |
| Q_FOREACH (const QString &format, m_formatsToCheck) { |
| if (is_clipboard_format_present(format.toUtf8().constData()) == 0) |
| result << format; |
| } |
| |
| qClipboardDebug() << "result=" << result; |
| return result; |
| } |
| |
| void setUserMimeData(QMimeData *userMimeData) |
| { |
| delete m_userMimeData; |
| m_userMimeData = userMimeData; |
| |
| // system clipboard API doesn't allow detection of changes by other applications |
| // simulate an owner change through delayed invocation |
| // basically transfer ownership of data to the system clipboard once event processing resumes |
| if (m_userMimeData) |
| QMetaObject::invokeMethod(this, "releaseOwnership", Qt::QueuedConnection); |
| } |
| |
| QMimeData *userMimeData() |
| { |
| return m_userMimeData; |
| } |
| |
| protected: |
| QVariant retrieveData(const QString &mimetype, QVariant::Type preferredType) const override |
| { |
| qClipboardDebug() << "mimetype=" << mimetype << "preferredType=" << preferredType; |
| if (is_clipboard_format_present(mimetype.toUtf8().constData()) != 0) |
| return QMimeData::retrieveData(mimetype, preferredType); |
| |
| const QByteArray data = readClipboardBuff(mimetype.toUtf8().constData()); |
| return QVariant::fromValue(data); |
| } |
| |
| private Q_SLOTS: |
| void releaseOwnership() |
| { |
| if (m_userMimeData) { |
| qClipboardDebug() << "user data formats=" << m_userMimeData->formats() << "system formats=" << formats(); |
| delete m_userMimeData; |
| m_userMimeData = 0; |
| m_clipboard->emitChanged(QClipboard::Clipboard); |
| } |
| } |
| |
| private: |
| QQnxClipboard * const m_clipboard; |
| |
| QSet<QString> m_formatsToCheck; |
| QMimeData *m_userMimeData; |
| }; |
| |
| QQnxClipboard::QQnxClipboard() |
| : m_mimeData(new MimeData(this)) |
| { |
| } |
| |
| QQnxClipboard::~QQnxClipboard() |
| { |
| delete m_mimeData; |
| } |
| |
| void QQnxClipboard::setMimeData(QMimeData *data, QClipboard::Mode mode) |
| { |
| if (mode != QClipboard::Clipboard) |
| return; |
| |
| if (m_mimeData == data) |
| return; |
| |
| if (m_mimeData->userMimeData() && m_mimeData->userMimeData() == data) |
| return; |
| |
| empty_clipboard(); |
| |
| m_mimeData->clear(); |
| m_mimeData->setUserMimeData(data); |
| |
| if (data == 0) { |
| emitChanged(QClipboard::Clipboard); |
| return; |
| } |
| |
| const QStringList formats = data->formats(); |
| qClipboardDebug() << "formats=" << formats; |
| |
| Q_FOREACH (const QString &format, formats) { |
| const QByteArray buf = data->data(format); |
| |
| if (buf.isEmpty()) |
| continue; |
| |
| int ret = set_clipboard_data(format.toUtf8().data(), buf.size(), buf.data()); |
| qClipboardDebug() << "set " << format << "to clipboard, size=" << buf.size() << ";ret=" << ret; |
| if (ret) |
| m_mimeData->addFormatToCheck(format); |
| } |
| |
| emitChanged(QClipboard::Clipboard); |
| } |
| |
| QMimeData *QQnxClipboard::mimeData(QClipboard::Mode mode) |
| { |
| if (mode != QClipboard::Clipboard) |
| return 0; |
| |
| if (m_mimeData->userMimeData()) |
| return m_mimeData->userMimeData(); |
| |
| m_mimeData->clear(); |
| |
| return m_mimeData; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include "qqnxclipboard.moc" |
| |
| #endif //QT_NO_CLIPBOARD |