diff -r 000000000000 -r 1918ee327afb src/gui/kernel/qclipboard_qws.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/kernel/qclipboard_qws.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,304 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** 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