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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/kernel/qclipboard_qws.cpp
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Long live Qt!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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 <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