| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 <qwsdisplay_qws.h> |
| #include <qwsproperty_qws.h> |
| #include <qwsevent_qws.h> |
| |
| 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 |