123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200 | // Copyright (C) 2011 - 2012 Research In Motion// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#undef QT_NO_FOREACH// this file contains unported legacy Q_FOREACH uses#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> QT_BEGIN_NAMESPACE Q_LOGGING_CATEGORY(lcQpaClipboard,"qt.qpa.clipboard");// null terminated arraystatic 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;}}returnQByteArray();}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;}voidaddFormatToCheck(const QString &format) { m_formatsToCheck << format;qCDebug(lcQpaClipboard) <<"formats="<< m_formatsToCheck;}boolhasFormat(const QString &mimetype)const override {const bool result =is_clipboard_format_present(mimetype.toUtf8().constData()) ==0;qCDebug(lcQpaClipboard) <<"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;}qCDebug(lcQpaClipboard) <<"result="<< result;return result;}voidsetUserMimeData(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 resumesif(m_userMimeData)QMetaObject::invokeMethod(this,"releaseOwnership",Qt::QueuedConnection);} QMimeData *userMimeData(){return m_userMimeData;}protected: QVariant retrieveData(const QString &mimetype, QMetaType preferredType)const override {qCDebug(lcQpaClipboard) <<"mimetype="<< mimetype <<"preferredType="<< preferredType.name();if(is_clipboard_format_present(mimetype.toUtf8().constData()) !=0)returnQMimeData::retrieveData(mimetype, preferredType);const QByteArray data =readClipboardBuff(mimetype.toUtf8().constData());returnQVariant::fromValue(data);}private Q_SLOTS:voidreleaseOwnership(){if(m_userMimeData) {qCDebug(lcQpaClipboard) <<"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(newMimeData(this)){}QQnxClipboard::~QQnxClipboard(){delete m_mimeData;}voidQQnxClipboard::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();qCDebug(lcQpaClipboard) <<"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());qCDebug(lcQpaClipboard) <<"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)return0;if(m_mimeData->userMimeData())return m_mimeData->userMimeData(); m_mimeData->clear();return m_mimeData;} QT_END_NAMESPACE #include"qqnxclipboard.moc"#endif//QT_NO_CLIPBOARD
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