Long live Qt!

1 files changed, 304 insertions, 0 deletions

diff --git a/src/gui/kernel/qclipboard_qws.cpp b/src/gui/kernel/qclipboard_qws.cpp
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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