/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qclipboard.h" #ifndef QT_NO_CLIPBOARD #include "qapplication.h" #include "qbitmap.h" #include "qdatetime.h" #include "qbuffer.h" #include "qwidget.h" #include "qevent.h" #include #include #include QT_BEGIN_NAMESPACE QT_USE_NAMESPACE /***************************************************************************** Internal QClipboard functions for Qt for Embedded Linux *****************************************************************************/ static const int TextClipboard=424242; static bool init = false; static inline void qwsInitClipboard() { //### this should go into QWSServer; it only needs to happen once. if( !init ) { QPaintDevice::qwsDisplay()->addProperty(0, TextClipboard); init = true; } } static QString qwsClipboardText() { char * data; int len; qwsInitClipboard(); if( !QPaintDevice::qwsDisplay()->getProperty(0, TextClipboard, data, len) ) { // qDebug("Property received: %d bytes", len); } QString s((const QChar*)data, len/sizeof(QChar)); // qDebug("Property received: '%s'", s.toAscii().constData()); delete[] data; return s; } static void qwsSetClipboardText(const QString& s) { qwsInitClipboard(); // qDebug("qwsSetClipboardText( %s )", s.toAscii().data()); int len = s.length()*sizeof(QChar); QByteArray ba((const char*)s.unicode(), len); QPaintDevice::qwsDisplay()-> setProperty(0, TextClipboard, QWSPropertyManager::PropReplace, ba); } class QClipboardData { public: QClipboardData(); ~QClipboardData(); void setSource(QMimeData* s) { if (s == src) return; delete src; src = s; } QMimeData* source() { return src; } #if 0 void addTransferredPixmap(QPixmap pm) { /* TODO: queue them */ transferred[tindex] = pm; tindex=(tindex+1)%2; } void clearTransfers() { transferred[0] = QPixmap(); transferred[1] = QPixmap(); } #endif void clear(); private: QMimeData* src; #if 0 QPixmap transferred[2]; int tindex; #endif }; QClipboardData::QClipboardData() { src = 0; #if 0 tindex=0; #endif } QClipboardData::~QClipboardData() { delete src; } void QClipboardData::clear() { delete src; src = 0; } static QClipboardData *internalCbData = 0; static void cleanupClipboardData() { delete internalCbData; internalCbData = 0; } static QClipboardData *clipboardData() { if (internalCbData == 0) { internalCbData = new QClipboardData; qAddPostRoutine(cleanupClipboardData); } return internalCbData; } /***************************************************************************** QClipboard member functions for FB. *****************************************************************************/ #if 0 QString QClipboard::text() const { return qwsClipboardText(); } void QClipboard::setText(const QString &text) { qwsSetClipboardText(text); } QString QClipboard::text(QString& subtype) const { QString r; if (subtype == "plain") r = text(); return r; } #endif void QClipboard::clear(Mode mode) { setText(QString(), mode); } bool QClipboard::event(QEvent *e) { static bool recursionWatch = false; if (e->type() != QEvent::Clipboard || recursionWatch) return QObject::event(e); recursionWatch = true; QWSPropertyNotifyEvent *event = (QWSPropertyNotifyEvent *)(((QClipboardEvent *)e)->data()); if (event && event->simpleData.state == QWSPropertyNotifyEvent::PropertyNewValue) { QClipboardData *d = clipboardData(); QString t = qwsClipboardText(); if( (d->source() == 0 && !t.isEmpty()) || (d->source() != 0 && d->source()->text() != t) ) { if( !d->source() ) d->setSource(new QMimeData); d->source()->setText( t ); emitChanged(QClipboard::Clipboard); } } recursionWatch = false; return true; } const QMimeData* QClipboard::mimeData(Mode mode) const { if (mode != Clipboard) return 0; QClipboardData *d = clipboardData(); // Try and get data from QWSProperty if no mime data has been set on us. if( !d->source() ) { QString t = qwsClipboardText(); if( !t.isEmpty() ) { QMimeData* nd = new QMimeData; nd->setText( t ); d->setSource( nd ); } } return d->source(); } void QClipboard::setMimeData(QMimeData* src, Mode mode) { if (mode != Clipboard) return; QClipboardData *d = clipboardData(); /* Propagate text data to other QWSClients */ QString newText; if( src != 0 ) newText = src->text(); QString oldText; if( d->source() != 0 ) oldText = d->source()->text(); d->setSource(src); if( oldText != newText ) { if( d->source() == 0 ) { qwsSetClipboardText( QString() ); } else { qwsSetClipboardText( d->source()->text() ); } } emitChanged(QClipboard::Clipboard); } bool QClipboard::supportsMode(Mode mode) const { return (mode == Clipboard); } bool QClipboard::ownsMode(Mode mode) const { if (mode == Clipboard) qWarning("QClipboard::ownsClipboard: UNIMPLEMENTED!"); return false; } void QClipboard::connectNotify( const char * ) { } void QClipboard::ownerDestroyed() { } #endif // QT_NO_CLIPBOARD QT_END_NAMESPACE