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diff --git a/demos/bttennis/board.cpp b/demos/bttennis/board.cpp
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+/****************************************************************************
+**
+** 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 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 "board.h"
+
+#include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QDebug>
+#include <QTextDocument>
+#include <QFontMetrics>
+#include <QPropertyAnimation>
+
+const QColor fg = Qt::white;
+const QColor bg = Qt::black;
+
+Board::Board(QWidget *parent) :
+ QGraphicsView(parent)
+{
+ scene = new QGraphicsScene(QRect(0, 0, 640, 360), this);
+
+ scene->setBackgroundBrush(QBrush(bg));
+
+ ball = scene->addRect(-6, -6, 12, 12, QPen(Qt::SolidLine), QBrush(fg));
+ ball->setPos(Width/2-6, Height/2-6);
+
+ // why is y -1...otherwise we have a gap...
+ topWall = scene->addRect(0, -1, Width, 12, QPen(Qt::SolidLine), QBrush(fg));
+ bottomWall = scene->addRect(0, Height-12, Width, 12, QPen(Qt::SolidLine), QBrush(fg));
+
+ leftPaddle = scene->addRect(0, 12, 12, Paddle, QPen(Qt::SolidLine), QBrush(fg));
+ rightPaddle = scene->addRect(Width-12, 12, 12, Paddle, QPen(Qt::SolidLine), QBrush(fg));
+
+ QPen p;
+ p.setWidth(2);
+ p.setStyle(Qt::DotLine);
+ p.setBrush(QBrush(fg));
+ scene->addLine(Width/2, 0, Width/2, Height, p);
+
+ QFont f;
+ f.setStyleHint(QFont::OldEnglish);
+ f.setPixelSize(50);
+ f.setBold(true);
+ leftScore = scene->addText(QString("0"), f);
+ leftScore->setDefaultTextColor(fg);
+// leftScore->setPos(120, 50);
+
+ rightScore = scene->addText(QString("0"), f);
+// rightScore->setPos(Width-140, 50);
+ rightScore->setDefaultTextColor(fg);
+ setScore(0, 0);
+
+ f.setPixelSize(25);
+ status = scene->addText(QString(), f);
+ status->setDefaultTextColor(fg);
+
+ ball->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+ leftPaddle->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+ rightPaddle->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+
+ icon.load(QString(":/icons/connect.png"));
+ icon = icon.scaled(100, 100, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+ qDebug() << "icon" << icon.isNull();
+ connectIcon = scene->addPixmap(icon);
+ connectIcon->setPos(440,200);
+ connectIcon->setAcceptTouchEvents(true);
+ connectIcon->setTransformOriginPoint(50,50);
+ connectIcon->setTransformationMode(Qt::SmoothTransformation);
+
+ connectAnimation = new QPropertyAnimation(this, "connectRotation");
+ connectAnimation->setDuration(1000);
+ connectAnimation->setLoopCount(-1);
+ connectAnimation->setStartValue(0);
+ connectAnimation->setEndValue(360);
+
+ setCacheMode(QGraphicsView::CacheBackground);
+ setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+
+// connect(scene, SIGNAL(changed(QList<QRectF>)), this, SLOT(sceneChanged(QList<QRectF>)));
+
+}
+void Board::setBall(int x, int y)
+{
+ ball->setPos(x, y);
+ checkBall(x, y);
+}
+
+void Board::setLeftPaddle(int y)
+{
+ leftPaddle->setPos(0, y);
+}
+
+void Board::setRightPaddle(int y)
+{
+ rightPaddle->setPos(0, y);
+}
+
+void Board::sceneChanged(const QList<QRectF> &region)
+{
+ Q_UNUSED(region);
+
+ QList<QGraphicsItem *>items = scene->collidingItems(ball);
+ while (!items.empty()) {
+ QGraphicsItem *i = items.takeFirst();
+ if (i == topWall)
+ emit ballCollision(Top);
+ if (i == bottomWall)
+ emit ballCollision(Bottom);
+ if (i == leftPaddle)
+ emit ballCollision(Left);
+ if (i == rightPaddle)
+ emit ballCollision(Right);
+ }
+
+}
+
+void Board::checkBall(int x, int y)
+{
+ int ly = leftPaddle->y();
+ int ry = rightPaddle->y();
+
+ if (x > 646)
+ emit scored(Right);
+ else if (x < -6)
+ emit scored(Left);
+
+ if (y < 18)
+ emit ballCollision(Top);
+ else if (y > 360-18)
+ emit ballCollision(Bottom);
+
+ if ((x < 18) &&
+ (y > ly-6) &&
+ (y < ly+Paddle+6))
+ emit ballCollision(Left);
+
+ if ((x > 640-18) &&
+ (y > ry-6) &&
+ (y < ry+Paddle+6))
+ emit ballCollision(Right);
+}
+
+void Board::setScore(int l, int r)
+{
+ QString left = QString("%1").arg(l);
+ QString right = QString("%1").arg(r);
+ leftScore->document()->setPlainText(left);
+ rightScore->document()->setPlainText(right);
+ QFontMetrics fm(leftScore->font());
+ leftScore->setPos(Width/4 - fm.width(left)/2, 50);
+ rightScore->setPos(3*Width/4 - fm.width(right)/2, 50);
+
+}
+
+void Board::setStatus(QString text, int opacity_start, int opacity_end)
+{
+
+ status->document()->setPlainText(text);
+ status->setPos(24, Height-25-25);
+ QPropertyAnimation *a = new QPropertyAnimation(status, "opacity");
+ a->setDuration(2000);
+ a->setStartValue(opacity_start/100.0);
+ a->setEndValue(opacity_end/100.0);
+ a->start(QAbstractAnimation::DeleteWhenStopped);
+}
+
+void Board::setConnectRotation(int rot)
+{
+ connectIcon->setRotation(rot);
+// QTransform t;
+// t.rotate(rot);
+// connectIcon->setPixmap(icon.scaled(100, 100).transformed(t, Qt::SmoothTransformation));
+}
+
+void Board::setConnectOpacity(qreal op)
+{
+ connectIcon->setOpacity(op);
+}
+
+void Board::animateConnect(bool start)
+{
+ if (start) {
+ connectAnimation->start();
+ }
+ else {
+ connectAnimation->stop();
+ QPropertyAnimation *a = new QPropertyAnimation(this, "connectRotation");
+// qDebug() << "currentTime" << connectAnimation->currentLoopTime() << "rotation" << connectAnimation->currentValue();
+ a->setDuration(connectAnimation->currentLoopTime()/2);
+ a->setStartValue(connectAnimation->currentValue().toInt( ));
+ a->setEndValue(0);
+// a->setDirection(QAbstractAnimation::Backward);
+ a->start(QAbstractAnimation::DeleteWhenStopped);
+ }
+}
+
+
+void Board::fadeConnect(bool out)
+{
+ qreal start = 100.0;
+ qreal end = 0.0;
+
+ if (!out) {
+ start = 0.0;
+ end = 100.0;
+ }
+
+ QPropertyAnimation *a = new QPropertyAnimation(this, "connectOpacity");
+ a->setDuration(2000);
+ a->setStartValue(start);
+ a->setEndValue(end);
+ a->start(QAbstractAnimation::DeleteWhenStopped);
+}
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