Merge commit 'qt/master-stable'

Conflicts:
	demos/demos.pro
	src/gui/graphicsview/qgraphicsitem_p.h

73 files changed, 6560 insertions, 2 deletions

diff --git a/demos/demos.pro b/demos/demos.pro
index 3856591..d734c05 100644
--- a/demos/demos.pro
+++ b/demos/demos.pro
@@ -13,7 +13,8 @@ SUBDIRS     = \
             demos_textedit \
             demos_chip \
             demos_embeddeddialogs \
-            demos_undo
+            demos_undo \
+            demos_sub-attaq
 
 symbian: SUBDIRS = \
             demos_shared \
@@ -68,6 +69,7 @@ demos_mediaplayer.subdir = mediaplayer
 demos_browser.subdir = browser
 
 demos_boxes.subdir = boxes
+demos_sub-attaq.subdir = sub-attaq
 
 #CONFIG += ordered
 !ordered {
diff --git a/demos/qtdemo/xml/examples.xml b/demos/qtdemo/xml/examples.xml
index 2560848..a81eead 100644
--- a/demos/qtdemo/xml/examples.xml
+++ b/demos/qtdemo/xml/examples.xml
@@ -18,6 +18,7 @@
     <example filename="browser" name="Browser" />
     <example filename="mediaplayer" name="Media Player" />
     <example filename="boxes" name="Boxes" />
+    <example filename="sub-attaq" name="Sub-attaq" />
   </demos>
   <category dirname="animation" name="Animation Framework">
     <example filename="animatedtiles" name="Animated Tiles" />
@@ -26,7 +27,6 @@
     <example filename="moveblocks" name="Moving Blocks" />
     <example filename="states" name="UI States" />
     <example filename="stickman" name="Stickman" />
-    <example filename="sub-attaq" name="Sub-attaq" />
   </category>
   <category dirname="qtconcurrent" name="Concurrent Programming">
     <example filename="map" name="Map" executable="false" />
diff --git a/demos/sub-attaq/animationmanager.cpp b/demos/sub-attaq/animationmanager.cpp
new file mode 100644
index 0000000..13266f9
--- /dev/null
+++ b/demos/sub-attaq/animationmanager.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "animationmanager.h"
+
+//Qt
+#include <QtCore/QAbstractAnimation>
+#include <QtCore/QDebug>
+
+// the universe's only animation manager
+AnimationManager *AnimationManager::instance = 0;
+
+AnimationManager::AnimationManager()
+{
+}
+
+AnimationManager *AnimationManager::self()
+{
+    if (!instance)
+        instance = new AnimationManager;
+    return instance;
+}
+
+void AnimationManager::registerAnimation(QAbstractAnimation *anim)
+{
+    animations.append(anim);
+}
+
+void AnimationManager::unregisterAnimation(QAbstractAnimation *anim)
+{
+    animations.removeAll(anim);
+}
+
+void AnimationManager::unregisterAllAnimations()
+{
+    animations.clear();
+}
+
+void AnimationManager::pauseAll()
+{
+    foreach (QAbstractAnimation* animation, animations)
+    {
+        if (animation->state() == QAbstractAnimation::Running)
+            animation->pause();
+    }
+}
+void AnimationManager::resumeAll()
+{
+    foreach (QAbstractAnimation* animation, animations)
+    {
+        if (animation->state() == QAbstractAnimation::Paused)
+            animation->resume();
+    }
+}
diff --git a/demos/sub-attaq/animationmanager.h b/demos/sub-attaq/animationmanager.h
new file mode 100644
index 0000000..63ecae6
--- /dev/null
+++ b/demos/sub-attaq/animationmanager.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ANIMATIONMANAGER_H
+#define ANIMATIONMANAGER_H
+
+#include <QtCore/QObject>
+
+QT_BEGIN_NAMESPACE
+class QAbstractAnimation;
+QT_END_NAMESPACE
+
+class AnimationManager : public QObject
+{
+Q_OBJECT
+public:
+    AnimationManager();
+    void registerAnimation(QAbstractAnimation *anim);
+    void unregisterAnimation(QAbstractAnimation *anim);
+    void unregisterAllAnimations();
+    static AnimationManager *self();
+
+public slots:
+    void pauseAll();
+    void resumeAll();
+
+private:
+    static AnimationManager *instance;
+    QList<QAbstractAnimation *> animations;
+};
+
+#endif // ANIMATIONMANAGER_H
diff --git a/demos/sub-attaq/boat.cpp b/demos/sub-attaq/boat.cpp
new file mode 100644
index 0000000..68e646e
--- /dev/null
+++ b/demos/sub-attaq/boat.cpp
@@ -0,0 +1,318 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "boat.h"
+#include "boat_p.h"
+#include "bomb.h"
+#include "pixmapitem.h"
+#include "graphicsscene.h"
+#include "animationmanager.h"
+#include "custompropertyanimation.h"
+#include "qanimationstate.h"
+
+//Qt
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QStateMachine>
+#include <QtCore/QHistoryState>
+#include <QtCore/QFinalState>
+#include <QtCore/QState>
+#include <QtCore/QSequentialAnimationGroup>
+
+static QAbstractAnimation *setupDestroyAnimation(Boat *boat)
+{
+    QSequentialAnimationGroup *group = new QSequentialAnimationGroup(boat);
+#if QT_VERSION >=0x040500
+    PixmapItem *step1 = new PixmapItem(QString("explosion/boat/step1"),GraphicsScene::Big, boat);
+    step1->setZValue(6);
+    PixmapItem *step2 = new PixmapItem(QString("explosion/boat/step2"),GraphicsScene::Big, boat);
+    step2->setZValue(6);
+    PixmapItem *step3 = new PixmapItem(QString("explosion/boat/step3"),GraphicsScene::Big, boat);
+    step3->setZValue(6);
+    PixmapItem *step4 = new PixmapItem(QString("explosion/boat/step4"),GraphicsScene::Big, boat);
+    step4->setZValue(6);
+    step1->setOpacity(0);
+    step2->setOpacity(0);
+    step3->setOpacity(0);
+    step4->setOpacity(0);
+    CustomPropertyAnimation *anim1 = new CustomPropertyAnimation(boat);
+    anim1->setMemberFunctions((QGraphicsItem*)step1, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim1->setDuration(100);
+    anim1->setEndValue(1);
+    CustomPropertyAnimation *anim2 = new CustomPropertyAnimation(boat);
+    anim2->setMemberFunctions((QGraphicsItem*)step2, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim2->setDuration(100);
+    anim2->setEndValue(1);
+    CustomPropertyAnimation *anim3 = new CustomPropertyAnimation(boat);
+    anim3->setMemberFunctions((QGraphicsItem*)step3, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim3->setDuration(100);
+    anim3->setEndValue(1);
+    CustomPropertyAnimation *anim4 = new CustomPropertyAnimation(boat);
+    anim4->setMemberFunctions((QGraphicsItem*)step4, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim4->setDuration(100);
+    anim4->setEndValue(1);
+    CustomPropertyAnimation *anim5 = new CustomPropertyAnimation(boat);
+    anim5->setMemberFunctions((QGraphicsItem*)step1, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim5->setDuration(100);
+    anim5->setEndValue(0);
+    CustomPropertyAnimation *anim6 = new CustomPropertyAnimation(boat);
+    anim6->setMemberFunctions((QGraphicsItem*)step2, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim6->setDuration(100);
+    anim6->setEndValue(0);
+    CustomPropertyAnimation *anim7 = new CustomPropertyAnimation(boat);
+    anim7->setMemberFunctions((QGraphicsItem*)step3, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim7->setDuration(100);
+    anim7->setEndValue(0);
+    CustomPropertyAnimation *anim8 = new CustomPropertyAnimation(boat);
+    anim8->setMemberFunctions((QGraphicsItem*)step4, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim8->setDuration(100);
+    anim8->setEndValue(0);
+    group->addAnimation(anim1);
+    group->addAnimation(anim2);
+    group->addAnimation(anim3);
+    group->addAnimation(anim4);
+    group->addAnimation(anim5);
+    group->addAnimation(anim6);
+    group->addAnimation(anim7);
+    group->addAnimation(anim8);
+#else
+    // work around for a bug where we don't transition if the duration is zero.
+    QtPauseAnimation *anim = new QtPauseAnimation(group);
+    anim->setDuration(1);
+    group->addAnimation(anim);
+#endif
+    AnimationManager::self()->registerAnimation(group);
+    return group;
+}
+
+
+
+Boat::Boat(QGraphicsItem * parent, Qt::WindowFlags wFlags)
+    : QGraphicsWidget(parent,wFlags), speed(0), bombsAlreadyLaunched(0), direction(Boat::None), movementAnimation(0)
+{
+    pixmapItem = new PixmapItem(QString("boat"),GraphicsScene::Big, this);
+    setZValue(4);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setFlags(QGraphicsItem::ItemIsMovable |  QGraphicsItem::ItemIsFocusable);
+    resize(pixmapItem->boundingRect().size());
+
+    //The movement animation used to animate the boat
+    movementAnimation = new QPropertyAnimation(this, "pos");
+
+    //The movement animation used to animate the boat
+    destroyAnimation = setupDestroyAnimation(this);
+
+    //We setup the state machien of the boat
+    machine = new QStateMachine(this);
+    QState *moving = new QState(machine);
+    StopState *stopState = new StopState(this, moving);
+    machine->setInitialState(moving);
+    moving->setInitialState(stopState);
+    MoveStateRight *moveStateRight = new MoveStateRight(this, moving);
+    MoveStateLeft *moveStateLeft = new MoveStateLeft(this, moving);
+    LaunchStateRight *launchStateRight = new LaunchStateRight(this, machine);
+    LaunchStateLeft *launchStateLeft = new LaunchStateLeft(this, machine);
+
+    //then setup the transitions for the rightMove state
+    KeyStopTransition *leftStopRight = new KeyStopTransition(this, QEvent::KeyPress, Qt::Key_Left);
+    leftStopRight->setTargetState(stopState);
+    KeyMoveTransition *leftMoveRight = new KeyMoveTransition(this, QEvent::KeyPress, Qt::Key_Left);
+    leftMoveRight->setTargetState(moveStateRight);
+    KeyMoveTransition *rightMoveRight = new KeyMoveTransition(this, QEvent::KeyPress, Qt::Key_Right);
+    rightMoveRight->setTargetState(moveStateRight);
+    KeyMoveTransition *rightMoveStop = new KeyMoveTransition(this, QEvent::KeyPress, Qt::Key_Right);
+    rightMoveStop->setTargetState(moveStateRight);
+
+    //then setup the transitions for the leftMove state
+    KeyStopTransition *rightStopLeft = new KeyStopTransition(this, QEvent::KeyPress, Qt::Key_Right);
+    rightStopLeft->setTargetState(stopState);
+    KeyMoveTransition *rightMoveLeft = new KeyMoveTransition(this, QEvent::KeyPress, Qt::Key_Right);
+    rightMoveLeft->setTargetState(moveStateLeft);
+    KeyMoveTransition *leftMoveLeft = new KeyMoveTransition(this, QEvent::KeyPress,Qt::Key_Left);
+    leftMoveLeft->setTargetState(moveStateLeft);
+    KeyMoveTransition *leftMoveStop = new KeyMoveTransition(this, QEvent::KeyPress,Qt::Key_Left);
+    leftMoveStop->setTargetState(moveStateLeft);
+
+    //We set up the right move state
+    moveStateRight->addTransition(leftStopRight);
+    moveStateRight->addTransition(leftMoveRight);
+    moveStateRight->addTransition(rightMoveRight);
+    stopState->addTransition(rightMoveStop);
+
+    //We set up the left move state
+    moveStateLeft->addTransition(rightStopLeft);
+    moveStateLeft->addTransition(leftMoveLeft);
+    moveStateLeft->addTransition(rightMoveLeft);
+    stopState->addTransition(leftMoveStop);
+
+    //The animation is finished, it means we reached the border of the screen, the boat is stopped so we move to the stop state
+    moveStateLeft->addTransition(movementAnimation, SIGNAL(finished()), stopState);
+    moveStateRight->addTransition(movementAnimation, SIGNAL(finished()), stopState);
+
+    //We set up the keys for dropping bombs
+    KeyLaunchTransition *upFireLeft = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Up);
+    upFireLeft->setTargetState(launchStateRight);
+    KeyLaunchTransition *upFireRight = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Up);
+    upFireRight->setTargetState(launchStateRight);
+    KeyLaunchTransition *upFireStop = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Up);
+    upFireStop->setTargetState(launchStateRight);
+    KeyLaunchTransition *downFireLeft = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Down);
+    downFireLeft->setTargetState(launchStateLeft);
+    KeyLaunchTransition *downFireRight = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Down);
+    downFireRight->setTargetState(launchStateLeft);
+    KeyLaunchTransition *downFireMove = new KeyLaunchTransition(this, QEvent::KeyPress, Qt::Key_Down);
+    downFireMove->setTargetState(launchStateLeft);
+
+    //We set up transitions for fire up
+    moveStateRight->addTransition(upFireRight);
+    moveStateLeft->addTransition(upFireLeft);
+    stopState->addTransition(upFireStop);
+
+    //We set up transitions for fire down
+    moveStateRight->addTransition(downFireRight);
+    moveStateLeft->addTransition(downFireLeft);
+    stopState->addTransition(downFireMove);
+
+    //Finally the launch state should come back to its original state
+    QHistoryState *historyState = new QHistoryState(moving);
+    launchStateLeft->addTransition(historyState);
+    launchStateRight->addTransition(historyState);
+
+    QFinalState *final = new QFinalState(machine);
+
+    //This state play the destroyed animation
+    QAnimationState *destroyedState = new QAnimationState(machine);
+    destroyedState->setAnimation(destroyAnimation);
+
+    //Play a nice animation when the boat is destroyed
+    moving->addTransition(this, SIGNAL(boatDestroyed()),destroyedState);
+
+    //Transition to final state when the destroyed animation is finished
+    destroyedState->addTransition(destroyedState, SIGNAL(animationFinished()), final);
+
+    //The machine has finished to be executed, then the boat is dead
+    connect(machine,SIGNAL(finished()),this, SIGNAL(boatExecutionFinished()));
+
+}
+
+void Boat::run()
+{
+    //We register animations
+    AnimationManager::self()->registerAnimation(movementAnimation);
+    AnimationManager::self()->registerAnimation(destroyAnimation);
+    machine->start();
+}
+
+void Boat::stop()
+{
+    movementAnimation->stop();
+    machine->stop();
+}
+
+void Boat::updateBoatMovement()
+{
+    if (speed == 0 || direction == Boat::None) {
+        movementAnimation->stop();
+        return;
+    }
+
+    movementAnimation->stop();
+    movementAnimation->setStartValue(pos());
+
+    if (direction == Boat::Left) {
+        movementAnimation->setEndValue(QPointF(0,y()));
+        movementAnimation->setDuration(x()/speed*15);
+    }
+    else /*if (direction == Boat::Right)*/ {
+        movementAnimation->setEndValue(QPointF(scene()->width()-size().width(),y()));
+        movementAnimation->setDuration((scene()->width()-size().width()-x())/speed*15);
+    }
+    movementAnimation->start();
+}
+
+void Boat::destroy()
+{
+    movementAnimation->stop();
+    emit boatDestroyed();
+}
+
+int Boat::bombsLaunched() const
+{
+    return bombsAlreadyLaunched;
+}
+
+void Boat::setBombsLaunched(int number)
+{
+    if (number > MAX_BOMB) {
+        qWarning("Boat::setBombsLaunched : It impossible to launch that number of bombs");
+        return;
+    }
+    bombsAlreadyLaunched = number;
+}
+
+int Boat::currentSpeed() const
+{
+    return speed;
+}
+
+void Boat::setCurrentSpeed(int speed)
+{
+    if (speed > 3 || speed < 0) {
+        qWarning("Boat::setCurrentSpeed: The boat can't run on that speed");
+        return;
+    }
+    this->speed = speed;
+}
+
+enum Boat::Movement Boat::currentDirection() const
+{
+    return direction;
+}
+
+void Boat::setCurrentDirection(Movement direction)
+{
+    this->direction = direction;
+}
+
+int Boat::type() const
+{
+    return Type;
+}
diff --git a/demos/sub-attaq/boat.h b/demos/sub-attaq/boat.h
new file mode 100644
index 0000000..f6b1a90
--- /dev/null
+++ b/demos/sub-attaq/boat.h
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __BOAT__H__
+#define __BOAT__H__
+
+//Qt
+#include <QtCore/QObject>
+#include <QtGui/QKeyEvent>
+
+#include <QtGui/QGraphicsWidget>
+
+class PixmapItem;
+class Bomb;
+QT_BEGIN_NAMESPACE
+class QVariantAnimation;
+class QAbstractAnimation;
+class QStateMachine;
+QT_END_NAMESPACE
+
+class Boat : public QGraphicsWidget
+{
+Q_OBJECT
+public:
+    enum Movement {
+       None = 0,
+       Left,
+       Right
+    };
+    enum { Type = UserType + 2 };
+    Boat(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
+    void destroy();
+    void run();
+    void stop();
+
+    int bombsLaunched() const;
+    void setBombsLaunched(int number);
+
+    int currentSpeed() const;
+    void setCurrentSpeed(int speed);
+
+    enum Movement currentDirection() const;
+    void setCurrentDirection(Movement direction);
+
+    void updateBoatMovement();
+
+    virtual int type() const;
+
+signals:
+    void boatDestroyed();
+    void boatExecutionFinished();
+
+private:
+    int speed;
+    int bombsAlreadyLaunched;
+    Movement direction;
+    QVariantAnimation *movementAnimation;
+    QAbstractAnimation *destroyAnimation;
+    QStateMachine *machine;
+    PixmapItem *pixmapItem;
+};
+
+#endif //__BOAT__H__
diff --git a/demos/sub-attaq/boat_p.h b/demos/sub-attaq/boat_p.h
new file mode 100644
index 0000000..4e962fc
--- /dev/null
+++ b/demos/sub-attaq/boat_p.h
@@ -0,0 +1,256 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef BOAT_P_H
+#define BOAT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+//Own
+#include "bomb.h"
+#include "graphicsscene.h"
+
+// Qt
+#include <QtGui/QKeyEventTransition>
+
+static const int MAX_BOMB = 5;
+
+
+//These transtion test if we have to stop the boat (i.e current speed is 1)
+class KeyStopTransition : public QKeyEventTransition
+{
+public:
+    KeyStopTransition(Boat *boat, QEvent::Type type, int key)
+    : QKeyEventTransition(boat, type, key)
+    {
+        this->boat = boat;
+        this->key = key;
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        Q_UNUSED(event);
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        if (boat->currentSpeed() == 1)
+            return true;
+        else
+            return false;
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//These transtion test if we have to move the boat (i.e current speed was 0 or another value)
+ class KeyMoveTransition : public QKeyEventTransition
+{
+public:
+    KeyMoveTransition(Boat *boat, QEvent::Type type, int key)
+    : QKeyEventTransition(boat, type, key)
+    {
+        this->boat = boat;
+        this->key = key;
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        Q_UNUSED(event);
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        if (boat->currentSpeed() >= 0)
+            return true;
+        else
+            return false;
+
+    }
+    void onTransition(QEvent *)
+    {
+        //We decrease the speed if needed
+        if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right)
+            boat->setCurrentSpeed(boat->currentSpeed() - 1);
+        else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left)
+            boat->setCurrentSpeed(boat->currentSpeed() - 1);
+        else if (boat->currentSpeed() < 3)
+            boat->setCurrentSpeed(boat->currentSpeed() + 1);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//This transition trigger the bombs launch
+ class KeyLaunchTransition : public QKeyEventTransition
+{
+public:
+    KeyLaunchTransition(Boat *boat, QEvent::Type type, int key)
+    : QKeyEventTransition(boat, type, key)
+    {
+        this->boat = boat;
+        this->key = key;
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        Q_UNUSED(event);
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        //We have enough bomb?
+        if (boat->bombsLaunched() < MAX_BOMB)
+            return true;
+        else
+            return false;
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//This state is describing when the boat is moving right
+class MoveStateRight : public QState
+{
+public:
+    MoveStateRight(Boat *boat,QState *parent = 0) : QState(parent)
+    {
+        this->boat = boat;
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentDirection(Boat::Right);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+ //This state is describing when the boat is moving left
+class MoveStateLeft : public QState
+{
+public:
+    MoveStateLeft(Boat *boat,QState *parent = 0) : QState(parent)
+    {
+        this->boat = boat;
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentDirection(Boat::Left);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing when the boat is in a stand by position
+class StopState : public QState
+{
+public:
+    StopState(Boat *boat,QState *parent = 0) : QState(parent)
+    {
+        this->boat = boat;
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentSpeed(0);
+        boat->setCurrentDirection(Boat::None);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing the launch of the torpedo on the right
+class LaunchStateRight : public QState
+{
+public:
+    LaunchStateRight(Boat *boat,QState *parent = 0) : QState(parent)
+    {
+        this->boat = boat;
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        Bomb *b = new Bomb();
+        b->setPos(boat->x()+boat->size().width(),boat->y());
+        GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
+        scene->addItem(b);
+        b->launch(Bomb::Right);
+        boat->setBombsLaunched(boat->bombsLaunched() + 1);
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing the launch of the torpedo on the left
+class LaunchStateLeft : public QState
+{
+public:
+    LaunchStateLeft(Boat *boat,QState *parent = 0) : QState(parent)
+    {
+        this->boat = boat;
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        Bomb *b = new Bomb();
+        b->setPos(boat->x() - b->size().width(), boat->y());
+        GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
+        scene->addItem(b);
+        b->launch(Bomb::Left);
+        boat->setBombsLaunched(boat->bombsLaunched() + 1);
+    }
+private:
+    Boat * boat;
+};
+
+#endif // BOAT_P_H
diff --git a/demos/sub-attaq/bomb.cpp b/demos/sub-attaq/bomb.cpp
new file mode 100644
index 0000000..e92a723
--- /dev/null
+++ b/demos/sub-attaq/bomb.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "bomb.h"
+#include "submarine.h"
+#include "pixmapitem.h"
+#include "animationmanager.h"
+#include "qanimationstate.h"
+
+//Qt
+#include <QtCore/QSequentialAnimationGroup>
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QStateMachine>
+#include <QtCore/QFinalState>
+
+Bomb::Bomb(QGraphicsItem * parent, Qt::WindowFlags wFlags)
+    : QGraphicsWidget(parent,wFlags), launchAnimation(0)
+{
+    pixmapItem = new PixmapItem(QString("bomb"),GraphicsScene::Big, this);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setFlags(QGraphicsItem::ItemIsMovable);
+    setZValue(2);
+    resize(pixmapItem->boundingRect().size());
+}
+
+void Bomb::launch(Bomb::Direction direction)
+{
+    launchAnimation = new QSequentialAnimationGroup();
+    AnimationManager::self()->registerAnimation(launchAnimation);
+    qreal delta = direction == Right ? 20 : - 20;
+    QPropertyAnimation *anim = new QPropertyAnimation(this, "pos");
+    anim->setEndValue(QPointF(x() + delta,y() - 20));
+    anim->setDuration(150);
+    launchAnimation->addAnimation(anim);
+    anim = new QPropertyAnimation(this, "pos");
+    anim->setEndValue(QPointF(x() + delta*2, y() ));
+    anim->setDuration(150);
+    launchAnimation->addAnimation(anim);
+    anim = new QPropertyAnimation(this, "pos");
+    anim->setEndValue(QPointF(x() + delta*2,scene()->height()));
+    anim->setDuration(y()/2*60);
+    launchAnimation->addAnimation(anim);
+    connect(anim,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationLaunchValueChanged(const QVariant &)));
+
+    //We setup the state machine of the bomb
+    QStateMachine *machine = new QStateMachine(this);
+
+    //This state is when the launch animation is playing
+    QAnimationState *launched = new QAnimationState(machine);
+    launched->setAnimation(launchAnimation);
+
+    //End
+    QFinalState *final = new QFinalState(machine);
+
+    machine->setInitialState(launched);
+
+    //### Add a nice animation when the bomb is destroyed
+    launched->addTransition(this, SIGNAL(bombExplosed()),final);
+
+    //If the animation is finished, then we move to the final state
+    launched->addTransition(launched, SIGNAL(animationFinished()), final);
+
+    //The machine has finished to be executed, then the boat is dead
+    connect(machine,SIGNAL(finished()),this, SIGNAL(bombExecutionFinished()));
+
+    machine->start();
+
+}
+
+void Bomb::onAnimationLaunchValueChanged(const QVariant &)
+{
+    foreach (QGraphicsItem * item , collidingItems(Qt::IntersectsItemBoundingRect)) {
+        if (item->type() == SubMarine::Type) {
+            SubMarine *s = static_cast<SubMarine *>(item);
+            destroy();
+            s->destroy();
+        }
+    }
+}
+
+void Bomb::destroy()
+{
+    launchAnimation->stop();
+    emit bombExplosed();
+}
diff --git a/demos/sub-attaq/bomb.h b/demos/sub-attaq/bomb.h
new file mode 100644
index 0000000..ed6b0f5
--- /dev/null
+++ b/demos/sub-attaq/bomb.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __BOMB__H__
+#define __BOMB__H__
+
+//Qt
+#include <QtGui/QGraphicsWidget>
+#include <QtCore/QAnimationGroup>
+
+class PixmapItem;
+
+class Bomb : public QGraphicsWidget
+{
+Q_OBJECT
+public:
+    enum Direction {
+        Left =  0,
+        Right
+    };
+    Bomb(QGraphicsItem * parent = 0, Qt::WindowFlags wFlags = 0);
+    void launch(Direction direction);
+    void destroy();
+
+signals:
+    void bombExplosed();
+    void bombExecutionFinished();
+
+private slots:
+    void onAnimationLaunchValueChanged(const QVariant &);
+
+private:
+    QAnimationGroup *launchAnimation;
+    PixmapItem *pixmapItem;
+};
+
+#endif //__BOMB__H__
diff --git a/demos/sub-attaq/custompropertyanimation.cpp b/demos/sub-attaq/custompropertyanimation.cpp
new file mode 100644
index 0000000..9282f42
--- /dev/null
+++ b/demos/sub-attaq/custompropertyanimation.cpp
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "custompropertyanimation.h"
+
+// Qt
+#include <QtCore/qdebug.h>
+
+CustomPropertyAnimation::CustomPropertyAnimation(QObject *parent) :
+    QVariantAnimation(parent), animProp(0)
+{
+}
+
+CustomPropertyAnimation::~CustomPropertyAnimation()
+{
+}
+
+void CustomPropertyAnimation::setProperty(AbstractProperty *_animProp)
+{
+    if (animProp == _animProp)
+        return;
+    delete animProp;
+    animProp = _animProp;
+}
+
+/*!
+    \reimp
+ */
+void CustomPropertyAnimation::updateCurrentValue(const QVariant &value)
+{
+    if (!animProp || state() == QAbstractAnimation::Stopped)
+        return;
+
+    animProp->write(value);
+}
+
+
+/*!
+    \reimp
+*/
+void CustomPropertyAnimation::updateState(QAbstractAnimation::State oldState, QAbstractAnimation::State newState)
+{
+    // Initialize start value
+    if (oldState == QAbstractAnimation::Stopped) {
+        if (!animProp)
+            return;
+        QVariant def = animProp->read();
+        if (def.isValid()) {
+            const int t = def.userType();
+            KeyValues values = keyValues();
+            //this ensures that all the keyValues are of type t
+            for (int i = 0; i < values.count(); ++i) {
+                QVariantAnimation::KeyValue &pair = values[i];
+                if (pair.second.userType() != t)
+                    pair.second.convert(static_cast<QVariant::Type>(t));
+            }
+            //let's now update the key values
+            setKeyValues(values);
+        }
+
+        if (animProp && !startValue().isValid() && currentTime() == 0
+            || (currentTime() == duration() && currentLoop() == (loopCount() - 1))) {
+                setStartValue(def);
+        }
+    }
+
+    QVariantAnimation::updateState(oldState, newState);
+}
+
+#include "moc_custompropertyanimation.cpp"
diff --git a/demos/sub-attaq/custompropertyanimation.h b/demos/sub-attaq/custompropertyanimation.h
new file mode 100644
index 0000000..a984163
--- /dev/null
+++ b/demos/sub-attaq/custompropertyanimation.h
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CUSTOMPROPERTYANIMATION_H
+#define CUSTOMPROPERTYANIMATION_H
+
+#include <QtCore/qvariantanimation.h>
+
+QT_BEGIN_NAMESPACE
+class QGraphicsItem;
+QT_END_NAMESPACE
+
+struct AbstractProperty
+{
+    virtual QVariant read() const = 0;
+    virtual void write(const QVariant &value) = 0;
+};
+
+
+class CustomPropertyAnimation : public QVariantAnimation
+{
+    Q_OBJECT
+
+    template <typename Target, typename T, typename T2 = T>
+    class MemberFunctionProperty : public AbstractProperty
+    {
+    public:
+        typedef T (Target::*Getter)(void) const;
+        typedef void (Target::*Setter)(T2);
+
+        MemberFunctionProperty(Target* target, Getter getter, Setter setter)
+            : m_target(target), m_getter(getter), m_setter(setter) {}
+
+        virtual void write(const QVariant &value)
+        {
+            if (m_setter) (m_target->*m_setter)(qVariantValue<T>(value));
+        }
+
+        virtual QVariant read() const
+        {
+            if (m_getter) return qVariantFromValue<T>((m_target->*m_getter)());
+            return QVariant();
+        }
+
+    private:
+        Target *m_target;
+        Getter m_getter;
+        Setter m_setter;
+    };
+
+public:
+    CustomPropertyAnimation(QObject *parent = 0);
+    ~CustomPropertyAnimation();
+
+    template<class Target, typename T>
+    void setMemberFunctions(Target* target, T (Target::*getter)() const, void (Target::*setter)(const T& ))
+    {
+        setProperty(new MemberFunctionProperty<Target, T, const T&>(target, getter, setter));
+    }
+
+    template<class Target, typename T>
+    void setMemberFunctions(Target* target, T (Target::*getter)() const, void (Target::*setter)(T))
+    {
+        setProperty(new MemberFunctionProperty<Target, T>(target, getter, setter));
+    }
+
+    void updateCurrentValue(const QVariant &value);
+    void updateState(QAbstractAnimation::State oldState, QAbstractAnimation::State newState);
+    void setProperty(AbstractProperty *animProp);
+
+private:
+    Q_DISABLE_COPY(CustomPropertyAnimation);
+    AbstractProperty *animProp;
+};
+
+#endif // CUSTOMPROPERTYANIMATION_H
diff --git a/demos/sub-attaq/data.xml b/demos/sub-attaq/data.xml
new file mode 100644
index 0000000..0f30515
--- /dev/null
+++ b/demos/sub-attaq/data.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<subattaq>
+    <submarines>
+        <submarine type="0" points="10" name="Q1" />
+        <submarine type="1" points="20" name="Q2" />
+    </submarines>
+    <levels>
+        <level id="0" name="Seaman recruit">
+            <subinstance type="0" nb="1"/>
+        </level>
+        <level id="1" name="Seaman apprentice">
+            <subinstance type="0" nb="2"/>
+        </level>
+	<level id="2" name="Seaman">
+            <subinstance type="0" nb="4"/>
+        </level>
+	<level id="3" name="Petty Officer Third Class">
+            <subinstance type="0" nb="6"/>
+        </level>
+	<level id="4" name="Petty Officer Second Class">
+            <subinstance type="0" nb="6"/>
+        </level>
+	<level id="5" name="Petty Officer First Class">
+            <subinstance type="0" nb="8"/>
+        </level>
+	<level id="6" name="Lieutenant">
+            <subinstance type="0" nb="10"/>
+        </level>
+	<level id="7" name="Commander">
+            <subinstance type="0" nb="15"/>
+        </level>
+	<level id="8" name="Captain">
+            <subinstance type="0" nb="12"/>
+        </level>
+	<level id="9" name="Admiral">
+            <subinstance type="0" nb="12"/>
+        </level>
+    </levels>
+</subattaq>
diff --git a/demos/sub-attaq/graphicsscene.cpp b/demos/sub-attaq/graphicsscene.cpp
new file mode 100644
index 0000000..fcbc1b3
--- /dev/null
+++ b/demos/sub-attaq/graphicsscene.cpp
@@ -0,0 +1,374 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "graphicsscene.h"
+#include "states.h"
+#include "boat.h"
+#include "submarine.h"
+#include "torpedo.h"
+#include "bomb.h"
+#include "pixmapitem.h"
+#include "custompropertyanimation.h"
+#include "animationmanager.h"
+#include "qanimationstate.h"
+#include "progressitem.h"
+
+//Qt
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QSequentialAnimationGroup>
+#include <QtCore/QParallelAnimationGroup>
+#include <QtCore/QStateMachine>
+#include <QtCore/QFinalState>
+#include <QtCore/QPauseAnimation>
+#include <QtGui/QAction>
+#include <QtCore/QDir>
+#include <QtGui/QApplication>
+#include <QtGui/QMessageBox>
+#include <QtGui/QGraphicsView>
+#include <QtGui/QGraphicsSceneMouseEvent>
+#include <QtCore/QXmlStreamReader>
+
+//helper function that creates an animation for position and inserts it into group
+static CustomPropertyAnimation *addGraphicsItemPosAnimation(QSequentialAnimationGroup *group,
+                                                              QGraphicsItem *item, const QPointF &endPos)
+{
+    CustomPropertyAnimation *ret = new CustomPropertyAnimation(group);
+    ret->setMemberFunctions(item, &QGraphicsItem::pos, &QGraphicsItem::setPos);
+    ret->setEndValue(endPos);
+    ret->setDuration(200);
+    ret->setEasingCurve(QEasingCurve::OutElastic);
+    group->addPause(50);
+    return ret;
+}
+
+//helper function that creates an animation for opacity and inserts it into group
+static void addGraphicsItemFadeoutAnimation(QAnimationGroup *group, QGraphicsItem *item)
+{
+#if QT_VERSION >=0x040500
+    CustomPropertyAnimation *anim = new CustomPropertyAnimation(group);
+    anim->setMemberFunctions(item, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim->setDuration(800);
+    anim->setEndValue(0);
+    anim->setEasingCurve(QEasingCurve::OutQuad);
+#else
+    // work around for a bug where we don't transition if the duration is zero.
+    QtPauseAnimation *anim = new QtPauseAnimation(group);
+    anim->setDuration(1);
+#endif
+}
+
+GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode)
+    : QGraphicsScene(x,y,width,height), mode(mode), newAction(0), quitAction(0), boat(0)
+{
+    backgroundItem = new PixmapItem(QString("background"),mode);
+    backgroundItem->setZValue(1);
+    backgroundItem->setPos(0,0);
+    addItem(backgroundItem);
+
+    PixmapItem *surfaceItem = new PixmapItem(QString("surface"),mode);
+    surfaceItem->setZValue(3);
+    surfaceItem->setPos(0,sealLevel() - surfaceItem->boundingRect().height()/2);
+    addItem(surfaceItem);
+
+    //The item that display score and level
+    progressItem = new ProgressItem(backgroundItem);
+
+    //We create the boat
+    boat = new Boat();
+    addItem(boat);
+    boat->setPos(this->width()/2, sealLevel() - boat->size().height());
+    boat->hide();
+
+    //parse the xml that contain all data of the game
+    QXmlStreamReader reader;
+    QFile file(":data.xml");
+    file.open(QIODevice::ReadOnly);
+    reader.setDevice(&file);
+    LevelDescription currentLevel;
+    while (!reader.atEnd()) {
+         reader.readNext();
+         if (reader.tokenType() == QXmlStreamReader::StartElement) {
+             if (reader.name() == "submarine")
+             {
+                 SubmarineDescription desc;
+                 desc.name = reader.attributes().value("name").toString();
+                 desc.points = reader.attributes().value("points").toString().toInt();
+                 desc.type = reader.attributes().value("type").toString().toInt();
+                 submarinesData.append(desc);
+             }
+             if (reader.name() == "level")
+             {
+                 currentLevel.id = reader.attributes().value("id").toString().toInt();
+                 currentLevel.name = reader.attributes().value("name").toString();
+             }
+             if (reader.name() == "subinstance")
+             {
+                 currentLevel.submarines.append(qMakePair(reader.attributes().value("type").toString().toInt(),reader.attributes().value("nb").toString().toInt()));
+             }
+         }
+         if (reader.tokenType() == QXmlStreamReader::EndElement) {
+            if (reader.name() == "level")
+            {
+                levelsData.insert(currentLevel.id,currentLevel);
+                currentLevel.submarines.clear();
+            }
+         }
+   }
+}
+
+qreal GraphicsScene::sealLevel() const
+{
+     if (mode == Big)
+        return 220;
+     else
+        return 160;
+}
+
+void GraphicsScene::setupScene(const QList<QAction *> &actions)
+{
+    newAction = actions.at(0);
+    quitAction = actions.at(1);
+
+    QGraphicsItem *logo_s = addWelcomeItem(QPixmap(":/logo-s"));
+    QGraphicsItem *logo_u = addWelcomeItem(QPixmap(":/logo-u"));
+    QGraphicsItem *logo_b = addWelcomeItem(QPixmap(":/logo-b"));
+    QGraphicsItem *logo_dash = addWelcomeItem(QPixmap(":/logo-dash"));
+    QGraphicsItem *logo_a = addWelcomeItem(QPixmap(":/logo-a"));
+    QGraphicsItem *logo_t = addWelcomeItem(QPixmap(":/logo-t"));
+    QGraphicsItem *logo_t2 = addWelcomeItem(QPixmap(":/logo-t2"));
+    QGraphicsItem *logo_a2 = addWelcomeItem(QPixmap(":/logo-a2"));
+    QGraphicsItem *logo_q = addWelcomeItem(QPixmap(":/logo-q"));
+    QGraphicsItem *logo_excl = addWelcomeItem(QPixmap(":/logo-excl"));
+    logo_s->setZValue(3);
+    logo_u->setZValue(4);
+    logo_b->setZValue(5);
+    logo_dash->setZValue(6);
+    logo_a->setZValue(7);
+    logo_t->setZValue(8);
+    logo_t2->setZValue(9);
+    logo_a2->setZValue(10);
+    logo_q->setZValue(11);
+    logo_excl->setZValue(12);
+    logo_s->setPos(QPointF(-1000, -1000));
+    logo_u->setPos(QPointF(-800, -1000));
+    logo_b->setPos(QPointF(-600, -1000));
+    logo_dash->setPos(QPointF(-400, -1000));
+    logo_a->setPos(QPointF(1000, 2000));
+    logo_t->setPos(QPointF(800, 2000));
+    logo_t2->setPos(QPointF(600, 2000));
+    logo_a2->setPos(QPointF(400, 2000));
+    logo_q->setPos(QPointF(200, 2000));
+    logo_excl->setPos(QPointF(0, 2000));
+
+    QSequentialAnimationGroup * lettersGroupMoving = new QSequentialAnimationGroup(this);
+    QParallelAnimationGroup * lettersGroupFading = new QParallelAnimationGroup(this);
+
+    //creation of the animations for moving letters
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_s, QPointF(300, 150));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_u, QPointF(350, 150));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_b, QPointF(400, 120));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_dash, QPointF(460, 150));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_a, QPointF(350, 250));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_t, QPointF(400, 250));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_t2, QPointF(430, 250));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_a2, QPointF(465, 250));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_q, QPointF(510, 250));
+    addGraphicsItemPosAnimation(lettersGroupMoving, logo_excl, QPointF(570, 220));
+
+    //creation of the animations for fading out the letters
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_s);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_u);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_b);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_dash);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_a);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_t);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_t2);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_a2);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_q);
+    addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_excl);
+    connect(lettersGroupFading, SIGNAL(finished()), this, SLOT(onIntroAnimationFinished()));
+
+    QStateMachine *machine = new QStateMachine(this);
+
+    //This state is when the player is playing
+    PlayState *gameState = new PlayState(this,machine);
+
+    //Final state
+    QFinalState *final = new QFinalState(machine);
+
+    //Animation when the player enter in the game
+    QAnimationState *lettersMovingState = new QAnimationState(machine);
+    lettersMovingState->setAnimation(lettersGroupMoving);
+
+    //Animation when the welcome screen disappear
+    QAnimationState *lettersFadingState = new QAnimationState(machine);
+    lettersFadingState->setAnimation(lettersGroupFading);
+
+    //if new game then we fade out the welcome screen and start playing
+    lettersMovingState->addTransition(newAction, SIGNAL(triggered()),lettersFadingState);
+    lettersFadingState->addTransition(lettersFadingState, SIGNAL(animationFinished()),gameState);
+
+    //New Game is triggered then player start playing
+    gameState->addTransition(newAction, SIGNAL(triggered()),gameState);
+
+    //Wanna quit, then connect to CTRL+Q
+    gameState->addTransition(quitAction, SIGNAL(triggered()),final);
+    lettersMovingState->addTransition(quitAction, SIGNAL(triggered()),final);
+
+    //Welcome screen is the initial state
+    machine->setInitialState(lettersMovingState);
+
+    machine->start();
+
+    //We reach the final state, then we quit
+    connect(machine,SIGNAL(finished()),this, SLOT(onQuitGameTriggered()));
+}
+
+void GraphicsScene::addItem(Bomb *bomb)
+{
+    bombs.insert(bomb);
+    connect(bomb,SIGNAL(bombExecutionFinished()),this, SLOT(onBombExecutionFinished()));
+    QGraphicsScene::addItem(bomb);
+}
+
+void GraphicsScene::addItem(Torpedo *torpedo)
+{
+    torpedos.insert(torpedo);
+    connect(torpedo,SIGNAL(torpedoExecutionFinished()),this, SLOT(onTorpedoExecutionFinished()));
+    QGraphicsScene::addItem(torpedo);
+}
+
+void GraphicsScene::addItem(SubMarine *submarine)
+{
+    submarines.insert(submarine);
+    connect(submarine,SIGNAL(subMarineExecutionFinished()),this, SLOT(onSubMarineExecutionFinished()));
+    QGraphicsScene::addItem(submarine);
+}
+
+void GraphicsScene::addItem(QGraphicsItem *item)
+{
+    QGraphicsScene::addItem(item);
+}
+
+void GraphicsScene::mousePressEvent (QGraphicsSceneMouseEvent * event)
+{
+    event->ignore();
+}
+
+void GraphicsScene::onQuitGameTriggered()
+{
+    qApp->closeAllWindows();
+}
+
+void GraphicsScene::onBombExecutionFinished()
+{
+    Bomb *bomb = qobject_cast<Bomb *>(sender());
+    bombs.remove(bomb);
+    bomb->deleteLater();
+    if (boat)
+        boat->setBombsLaunched(boat->bombsLaunched() - 1);
+}
+
+void GraphicsScene::onTorpedoExecutionFinished()
+{
+    Torpedo *torpedo = qobject_cast<Torpedo *>(sender());
+    torpedos.remove(torpedo);
+    torpedo->deleteLater();
+}
+
+void GraphicsScene::onSubMarineExecutionFinished()
+{
+    SubMarine *submarine = qobject_cast<SubMarine *>(sender());
+    submarines.remove(submarine);
+    if (submarines.count() == 0) {
+        emit allSubMarineDestroyed(submarine->points());
+    } else {
+        emit subMarineDestroyed(submarine->points());
+    }
+    submarine->deleteLater();
+}
+
+int GraphicsScene::remainingSubMarines() const
+{
+    return submarines.count();
+}
+
+void GraphicsScene::clearScene()
+{
+    foreach (SubMarine *sub,submarines) {
+        sub->destroy();
+        sub->deleteLater();
+    }
+
+    foreach (Torpedo *torpedo,torpedos) {
+        torpedo->destroy();
+        torpedo->deleteLater();
+    }
+
+    foreach (Bomb *bomb,bombs) {
+        bomb->destroy();
+        bomb->deleteLater();
+    }
+
+    submarines.clear();
+    bombs.clear();
+    torpedos.clear();
+
+    AnimationManager::self()->unregisterAllAnimations();
+
+    boat->stop();
+    boat->hide();
+}
+
+QGraphicsPixmapItem *GraphicsScene::addWelcomeItem(const QPixmap &pm)
+{
+    QGraphicsPixmapItem *item = addPixmap(pm);
+    welcomeItems << item;
+    return item;
+}
+
+void GraphicsScene::onIntroAnimationFinished()
+{
+    qDeleteAll(welcomeItems);
+    welcomeItems.clear();
+}
+
diff --git a/demos/sub-attaq/graphicsscene.h b/demos/sub-attaq/graphicsscene.h
new file mode 100644
index 0000000..068ee97
--- /dev/null
+++ b/demos/sub-attaq/graphicsscene.h
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __GRAPHICSSCENE__H__
+#define __GRAPHICSSCENE__H__
+
+//Qt
+#include <QtGui/QGraphicsScene>
+#include <QtCore/QSet>
+#include <QtCore/QState>
+
+
+class Boat;
+class SubMarine;
+class Torpedo;
+class Bomb;
+class PixmapItem;
+class ProgressItem;
+QT_BEGIN_NAMESPACE
+class QAction;
+QT_END_NAMESPACE
+
+class GraphicsScene : public QGraphicsScene
+{
+Q_OBJECT
+public:
+    enum Mode {
+        Big = 0,
+        Small
+    };
+
+    struct SubmarineDescription {
+        int type;
+        int points;
+        QString name;
+    };
+
+    struct LevelDescription {
+        int id;
+        QString name;
+        QList<QPair<int,int> > submarines;
+    };
+
+    GraphicsScene(int x, int y, int width, int height, Mode mode = Big);
+    qreal sealLevel() const;
+    void setupScene(const QList<QAction *> &actions);
+    void addItem(Bomb *bomb);
+    void addItem(Torpedo *torpedo);
+    void addItem(SubMarine *submarine);
+    void addItem(QGraphicsItem *item);
+    int remainingSubMarines() const;
+    void clearScene();
+    QGraphicsPixmapItem *addWelcomeItem(const QPixmap &pm);
+
+signals:
+    void subMarineDestroyed(int);
+    void allSubMarineDestroyed(int);
+
+protected:
+    void mousePressEvent (QGraphicsSceneMouseEvent * event);
+
+private slots:
+    void onQuitGameTriggered();
+    void onBombExecutionFinished();
+    void onTorpedoExecutionFinished();
+    void onSubMarineExecutionFinished();
+    void onIntroAnimationFinished();
+
+private:
+    Mode mode;
+    PixmapItem *backgroundItem;
+    ProgressItem *progressItem;
+    QAction * newAction;
+    QAction * quitAction;
+    Boat *boat;
+    QSet<SubMarine *> submarines;
+    QSet<Bomb *> bombs;
+    QSet<Torpedo *> torpedos;
+    QVector<QGraphicsPixmapItem *> welcomeItems;
+    QVector<SubmarineDescription> submarinesData;
+    QHash<int, LevelDescription> levelsData;
+
+    friend class PauseState;
+    friend class PlayState;
+    friend class LevelState;
+    friend class LostState;
+    friend class WinState;
+    friend class WinTransition;
+    friend class UpdateScoreTransition;
+};
+
+#endif //__GRAPHICSSCENE__H__
+
diff --git a/demos/sub-attaq/main.cpp b/demos/sub-attaq/main.cpp
new file mode 100644
index 0000000..4f6f4f9
--- /dev/null
+++ b/demos/sub-attaq/main.cpp
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    Q_INIT_RESOURCE(subattaq);
+
+    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+    MainWindow w;
+    w.show();
+
+    return app.exec();
+}
diff --git a/demos/sub-attaq/mainwindow.cpp b/demos/sub-attaq/mainwindow.cpp
new file mode 100644
index 0000000..bcccd34
--- /dev/null
+++ b/demos/sub-attaq/mainwindow.cpp
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "mainwindow.h"
+#include "graphicsscene.h"
+
+//Qt
+#include <QGraphicsView>
+
+#ifdef QT_NO_OPENGL
+    #include <QtGui/QMenuBar>
+    #include <QtGui/QLayout>
+    #include <QtGui/QApplication>
+#else
+    #include <QtOpenGL/QtOpenGL>
+#endif
+
+MainWindow::MainWindow() : QMainWindow(0)
+{
+    QMenuBar *menuBar = new QMenuBar;
+    QMenu *file = new QMenu(tr("&File"),menuBar);
+
+    QAction *newAction = new QAction(tr("New Game"),file);
+    newAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_N));
+    file->addAction(newAction);
+    QAction *quitAction = new QAction(tr("Quit"),file);
+    quitAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Q));
+    file->addAction(quitAction);
+
+    menuBar->addMenu(file);
+    setMenuBar(menuBar);
+
+    QStringList list = QApplication::arguments();
+    if (list.contains("-fullscreen")) {
+        scene = new GraphicsScene(0, 0, 750, 400,GraphicsScene::Small);
+        setWindowState(Qt::WindowFullScreen);
+    } else {
+        scene = new GraphicsScene(0, 0, 880, 630);
+        layout()->setSizeConstraint(QLayout::SetFixedSize);
+    }
+
+    view = new QGraphicsView(scene,this);
+    view->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+    QList<QAction *> actions;
+    actions << newAction << quitAction;
+    scene->setupScene(actions);
+#ifndef QT_NO_OPENGL
+        view->setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
+#endif
+
+    setCentralWidget(view);
+
+}
+
+MainWindow::~MainWindow()
+{
+}
+
diff --git a/demos/sub-attaq/mainwindow.h b/demos/sub-attaq/mainwindow.h
new file mode 100644
index 0000000..08cfcd9
--- /dev/null
+++ b/demos/sub-attaq/mainwindow.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __MAINWINDOW__H__
+#define __MAINWINDOW__H__
+
+//Qt
+#include <QtGui/QMainWindow>
+class GraphicsScene;
+QT_BEGIN_NAMESPACE
+class QGraphicsView;
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+Q_OBJECT
+public:
+    MainWindow();
+    ~MainWindow();
+
+private:
+    GraphicsScene *scene;
+    QGraphicsView *view;
+};
+
+#endif //__MAINWINDOW__H__
diff --git a/demos/sub-attaq/pics/big/background.png b/demos/sub-attaq/pics/big/background.png
new file mode 100644
index 0000000..9f58157
--- /dev/null
+++ b/demos/sub-attaq/pics/big/background.png
diff --git a/demos/sub-attaq/pics/big/boat.png b/demos/sub-attaq/pics/big/boat.png
new file mode 100644
index 0000000..be82dff
--- /dev/null
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diff --git a/demos/sub-attaq/pics/big/bomb.png b/demos/sub-attaq/pics/big/bomb.png
new file mode 100644
index 0000000..3af5f2f
--- /dev/null
+++ b/demos/sub-attaq/pics/big/bomb.png
diff --git a/demos/sub-attaq/pics/big/explosion/boat/step1.png b/demos/sub-attaq/pics/big/explosion/boat/step1.png
new file mode 100644
index 0000000..c9fd8b0
--- /dev/null
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diff --git a/demos/sub-attaq/pics/big/explosion/boat/step2.png b/demos/sub-attaq/pics/big/explosion/boat/step2.png
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index 0000000..7528f2d
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/boat/step2.png
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index 0000000..aae9c9c
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/boat/step3.png
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new file mode 100644
index 0000000..d697c1b
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/boat/step4.png
diff --git a/demos/sub-attaq/pics/big/explosion/submarine/step1.png b/demos/sub-attaq/pics/big/explosion/submarine/step1.png
new file mode 100644
index 0000000..88ca514
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/submarine/step1.png
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index 0000000..524f589
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/submarine/step2.png
diff --git a/demos/sub-attaq/pics/big/explosion/submarine/step3.png b/demos/sub-attaq/pics/big/explosion/submarine/step3.png
new file mode 100644
index 0000000..2cca1e8
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/submarine/step3.png
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new file mode 100644
index 0000000..82100a8
--- /dev/null
+++ b/demos/sub-attaq/pics/big/explosion/submarine/step4.png
diff --git a/demos/sub-attaq/pics/big/submarine.png b/demos/sub-attaq/pics/big/submarine.png
new file mode 100644
index 0000000..df435dc
--- /dev/null
+++ b/demos/sub-attaq/pics/big/submarine.png
diff --git a/demos/sub-attaq/pics/big/surface.png b/demos/sub-attaq/pics/big/surface.png
new file mode 100644
index 0000000..4eba29e
--- /dev/null
+++ b/demos/sub-attaq/pics/big/surface.png
diff --git a/demos/sub-attaq/pics/big/torpedo.png b/demos/sub-attaq/pics/big/torpedo.png
new file mode 100644
index 0000000..f9c2687
--- /dev/null
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diff --git a/demos/sub-attaq/pics/scalable/surface.svg b/demos/sub-attaq/pics/scalable/surface.svg
new file mode 100644
index 0000000..40ed239
--- /dev/null
+++ b/demos/sub-attaq/pics/scalable/surface.svg
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   version="1.0"
+   width="744.09448"
+   height="1052.3622"
+   id="svg2685">
+  <defs
+     id="defs2687">
+    <linearGradient
+       id="linearGradient5097">
+      <stop
+         id="stop5099"
+         style="stop-color:#19a2db;stop-opacity:0"
+         offset="0" />
+      <stop
+         id="stop5109"
+         style="stop-color:#1379a7;stop-opacity:0.49803922"
+         offset="0.30000001" />
+      <stop
+         id="stop5101"
+         style="stop-color:#0e5173;stop-opacity:1"
+         offset="1" />
+    </linearGradient>
+    <linearGradient
+       x1="590.84674"
+       y1="274.57559"
+       x2="590.84674"
+       y2="334.01376"
+       id="linearGradient5103"
+       xlink:href="#linearGradient5097"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(-172.21428,209.55976)"
+       spreadMethod="pad" />
+  </defs>
+  <g
+     id="layer1">
+    <rect
+       width="1053.5891"
+       height="67.882248"
+       x="-172.50883"
+       y="484.13535"
+       id="rect3448"
+       style="opacity:1;fill:url(#linearGradient5103);fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>
diff --git a/demos/sub-attaq/pics/scalable/torpedo.svg b/demos/sub-attaq/pics/scalable/torpedo.svg
new file mode 100644
index 0000000..48e429d
--- /dev/null
+++ b/demos/sub-attaq/pics/scalable/torpedo.svg
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   version="1.0"
+   width="744.09448"
+   height="1052.3622"
+   id="svg2584">
+  <defs
+     id="defs2586">
+    <linearGradient
+       id="linearGradient3708">
+      <stop
+         id="stop3710"
+         style="stop-color:#202020;stop-opacity:1"
+         offset="0" />
+      <stop
+         id="stop3712"
+         style="stop-color:#ffffff;stop-opacity:1"
+         offset="1" />
+    </linearGradient>
+    <linearGradient
+       x1="518.26996"
+       y1="497.31476"
+       x2="533.02924"
+       y2="497.31476"
+       id="linearGradient3776"
+       xlink:href="#linearGradient3708"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       id="linearGradient3718">
+      <stop
+         id="stop3720"
+         style="stop-color:#bcbcbc;stop-opacity:0.28169015"
+         offset="0" />
+      <stop
+         id="stop3722"
+         style="stop-color:#bcbcbc;stop-opacity:0"
+         offset="1" />
+    </linearGradient>
+    <linearGradient
+       x1="516.89508"
+       y1="503.50137"
+       x2="516.89508"
+       y2="543.80646"
+       id="linearGradient3774"
+       xlink:href="#linearGradient3718"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(0.9947644,0,0,1.3346457,2.7877039,-166.60153)" />
+    <linearGradient
+       id="linearGradient3692">
+      <stop
+         id="stop3694"
+         style="stop-color:#ffffff;stop-opacity:1"
+         offset="0" />
+      <stop
+         id="stop3696"
+         style="stop-color:#b6b6b6;stop-opacity:1"
+         offset="1" />
+    </linearGradient>
+    <linearGradient
+       x1="506.95975"
+       y1="469.73706"
+       x2="525.41608"
+       y2="469.73706"
+       id="linearGradient3772"
+       xlink:href="#linearGradient3692"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       x1="506.95975"
+       y1="469.73706"
+       x2="525.41608"
+       y2="469.73706"
+       id="linearGradient2403"
+       xlink:href="#linearGradient3692"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       x1="516.89508"
+       y1="503.50137"
+       x2="516.89508"
+       y2="543.80646"
+       id="linearGradient2405"
+       xlink:href="#linearGradient3718"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(0.9947644,0,0,1.3346457,2.7877039,-166.60153)" />
+    <linearGradient
+       x1="518.26996"
+       y1="497.31476"
+       x2="533.02924"
+       y2="497.31476"
+       id="linearGradient2407"
+       xlink:href="#linearGradient3708"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <g
+     transform="translate(-128.69958,6.6568748)"
+     id="torpedo">
+    <g
+       transform="matrix(0.8830571,0,0,0.8830571,-119.78327,177.67947)"
+       id="g3525">
+      <path
+         d="M 523.9661,469.73706 A 7.7781744,34.648232 0 1 1 508.40975,469.73706 A 7.7781744,34.648232 0 1 1 523.9661,469.73706 z"
+         id="path3682"
+         style="opacity:1;fill:url(#linearGradient2403);fill-opacity:1;fill-rule:nonzero;stroke:#272727;stroke-width:2.9000001;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+      <g
+         id="g3754">
+        <rect
+           width="33.58757"
+           height="59.927299"
+           x="498.86386"
+           y="497.84454"
+           id="rect3716"
+           style="opacity:1;fill:url(#linearGradient2405);fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:2.20000005;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+        <path
+           d="M 523.35045,482.89424 C 523.35045,482.89424 532.31256,488.20203 532.02344,500.14638 C 531.73431,512.09072 531.73431,511.73417 531.73431,511.73417 C 531.73431,511.73417 520.70627,493.83104 519.26887,499.77636 L 523.35045,482.89424 z"
+           id="path3704"
+           style="fill:url(#linearGradient2407);fill-opacity:1;fill-rule:evenodd;stroke:#1f1f1f;stroke-width:1.99788344;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+        <path
+           d="M 508.50327,482.89424 C 508.50327,482.89424 499.54116,488.20203 499.83028,500.14638 C 500.11941,512.09072 500.11941,511.73417 500.11941,511.73417 C 500.11941,511.73417 511.14745,493.83104 512.58485,499.77636 L 508.50327,482.89424 z"
+           id="path3706"
+           style="fill:#bcbcbc;fill-opacity:1;fill-rule:evenodd;stroke:#1f1f1f;stroke-width:1.99788344;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/demos/sub-attaq/pics/small/background.png b/demos/sub-attaq/pics/small/background.png
new file mode 100644
index 0000000..5ad3db6
--- /dev/null
+++ b/demos/sub-attaq/pics/small/background.png
diff --git a/demos/sub-attaq/pics/small/boat.png b/demos/sub-attaq/pics/small/boat.png
new file mode 100644
index 0000000..114ccc3
--- /dev/null
+++ b/demos/sub-attaq/pics/small/boat.png
diff --git a/demos/sub-attaq/pics/small/bomb.png b/demos/sub-attaq/pics/small/bomb.png
new file mode 100644
index 0000000..3af5f2f
--- /dev/null
+++ b/demos/sub-attaq/pics/small/bomb.png
diff --git a/demos/sub-attaq/pics/small/submarine.png b/demos/sub-attaq/pics/small/submarine.png
new file mode 100644
index 0000000..0c0c350
--- /dev/null
+++ b/demos/sub-attaq/pics/small/submarine.png
diff --git a/demos/sub-attaq/pics/small/surface.png b/demos/sub-attaq/pics/small/surface.png
new file mode 100644
index 0000000..06d0e47
--- /dev/null
+++ b/demos/sub-attaq/pics/small/surface.png
diff --git a/demos/sub-attaq/pics/small/torpedo.png b/demos/sub-attaq/pics/small/torpedo.png
new file mode 100644
index 0000000..f9c2687
--- /dev/null
+++ b/demos/sub-attaq/pics/small/torpedo.png
diff --git a/demos/sub-attaq/pics/welcome/logo-a.png b/demos/sub-attaq/pics/welcome/logo-a.png
new file mode 100644
index 0000000..67dd76d
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-a.png
diff --git a/demos/sub-attaq/pics/welcome/logo-a2.png b/demos/sub-attaq/pics/welcome/logo-a2.png
new file mode 100644
index 0000000..17668b0
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-a2.png
diff --git a/demos/sub-attaq/pics/welcome/logo-b.png b/demos/sub-attaq/pics/welcome/logo-b.png
new file mode 100644
index 0000000..cf6c045
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-b.png
diff --git a/demos/sub-attaq/pics/welcome/logo-dash.png b/demos/sub-attaq/pics/welcome/logo-dash.png
new file mode 100644
index 0000000..219233c
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-dash.png
diff --git a/demos/sub-attaq/pics/welcome/logo-excl.png b/demos/sub-attaq/pics/welcome/logo-excl.png
new file mode 100644
index 0000000..8dd0a2e
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-excl.png
diff --git a/demos/sub-attaq/pics/welcome/logo-q.png b/demos/sub-attaq/pics/welcome/logo-q.png
new file mode 100644
index 0000000..86e588d
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-q.png
diff --git a/demos/sub-attaq/pics/welcome/logo-s.png b/demos/sub-attaq/pics/welcome/logo-s.png
new file mode 100644
index 0000000..7b6a36e
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-s.png
diff --git a/demos/sub-attaq/pics/welcome/logo-t.png b/demos/sub-attaq/pics/welcome/logo-t.png
new file mode 100644
index 0000000..b2e3526
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-t.png
diff --git a/demos/sub-attaq/pics/welcome/logo-t2.png b/demos/sub-attaq/pics/welcome/logo-t2.png
new file mode 100644
index 0000000..b11a778
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-t2.png
diff --git a/demos/sub-attaq/pics/welcome/logo-u.png b/demos/sub-attaq/pics/welcome/logo-u.png
new file mode 100644
index 0000000..24eede8
--- /dev/null
+++ b/demos/sub-attaq/pics/welcome/logo-u.png
diff --git a/demos/sub-attaq/pixmapitem.cpp b/demos/sub-attaq/pixmapitem.cpp
new file mode 100644
index 0000000..ed0f075
--- /dev/null
+++ b/demos/sub-attaq/pixmapitem.cpp
@@ -0,0 +1,59 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "pixmapitem.h"
+
+//Qt
+#include <QtCore/QDir>
+
+PixmapItem::PixmapItem(const QString &fileName,GraphicsScene::Mode mode, QGraphicsItem * parent) : QGraphicsPixmapItem(parent),name(fileName)
+{
+    loadPixmap(mode);
+}
+
+void PixmapItem::loadPixmap(GraphicsScene::Mode mode)
+{
+    if (mode == GraphicsScene::Big)
+        setPixmap(":/big/" + name);
+    else
+        setPixmap(":/small/" + name);
+}
diff --git a/demos/sub-attaq/pixmapitem.h b/demos/sub-attaq/pixmapitem.h
new file mode 100644
index 0000000..e32973e
--- /dev/null
+++ b/demos/sub-attaq/pixmapitem.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __PIXMAPITEM__H__
+#define __PIXMAPITEM__H__
+
+//Own
+#include "graphicsscene.h"
+
+//Qt
+#include <QtGui/QGraphicsPixmapItem>
+
+class PixmapItem : public QGraphicsPixmapItem
+{
+public:
+    PixmapItem(const QString &fileName, GraphicsScene::Mode mode, QGraphicsItem * parent = 0);
+
+private:
+    void loadPixmap(GraphicsScene::Mode mode);
+
+    QString name;
+    QPixmap pixmap;
+};
+
+#endif //__PIXMAPITEM__H__
diff --git a/demos/sub-attaq/progressitem.cpp b/demos/sub-attaq/progressitem.cpp
new file mode 100644
index 0000000..9ccaa72
--- /dev/null
+++ b/demos/sub-attaq/progressitem.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "progressitem.h"
+#include "pixmapitem.h"
+
+ProgressItem::ProgressItem (QGraphicsItem * parent)
+    : QGraphicsTextItem(parent), currentLevel(1), currentScore(0)
+{
+    setFont(QFont("Comic Sans MS"));
+    setPos(parentItem()->boundingRect().topRight() - QPointF(180, -5));
+}
+
+void ProgressItem::setLevel(int level)
+{
+    currentLevel = level;
+    updateProgress();
+}
+
+void ProgressItem::setScore(int score)
+{
+    currentScore = score;
+    updateProgress();
+}
+
+void ProgressItem::updateProgress()
+{
+    setHtml(QString("Level : %1 Score : %2").arg(currentLevel).arg(currentScore));
+}
diff --git a/demos/sub-attaq/progressitem.h b/demos/sub-attaq/progressitem.h
new file mode 100644
index 0000000..7be57c9
--- /dev/null
+++ b/demos/sub-attaq/progressitem.h
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PROGRESSITEM_H
+#define PROGRESSITEM_H
+
+//Qt
+#include <QtGui/QGraphicsTextItem>
+
+class ProgressItem : public QGraphicsTextItem
+{
+public:
+    ProgressItem(QGraphicsItem * parent = 0);
+    void setLevel(int level);
+    void setScore(int score);
+
+private:
+    void updateProgress();
+    int currentLevel;
+    int currentScore;
+};
+
+#endif // PROGRESSITEM_H
diff --git a/demos/sub-attaq/qanimationstate.cpp b/demos/sub-attaq/qanimationstate.cpp
new file mode 100644
index 0000000..4e6df56
--- /dev/null
+++ b/demos/sub-attaq/qanimationstate.cpp
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** 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 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qanimationstate.h"
+
+#include <QtCore/qstate.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+\class QAnimationState
+
+\brief The QAnimationState class provides state that handle an animation and emit
+a signal when this animation is finished.
+
+\ingroup statemachine
+
+QAnimationState provides a state that handle an animation. It will start this animation
+when the state is entered and stop it when it is leaved. When the animation has finished the
+state emit animationFinished signal.
+QAnimationState is part of \l{The State Machine Framework}.
+
+\code
+QStateMachine machine;
+QAnimationState *s = new QAnimationState(machine->rootState());
+QPropertyAnimation *animation = new QPropertyAnimation(obj, "pos");
+s->setAnimation(animation);
+QState *s2 = new QState(machine->rootState());
+s->addTransition(s, SIGNAL(animationFinished()), s2);
+machine.start();
+\endcode
+
+\sa QState, {The Animation Framework}
+*/
+
+
+#ifndef QT_NO_ANIMATION
+
+/*!
+  Constructs a new state with the given \a parent state.
+*/
+QAnimationState::QAnimationState(QState *parent)
+    : QState(parent), m_animation(0)
+{
+}
+
+/*!
+  Destroys the animation state.
+*/
+QAnimationState::~QAnimationState()
+{
+}
+
+/*!
+  Set an \a animation for this QAnimationState. If an animation was previously handle by this
+  state then it won't emit animationFinished for the old animation. The QAnimationState doesn't
+  take the ownership of the animation.
+*/
+void QAnimationState::setAnimation(QAbstractAnimation *animation)
+{
+    if (animation == m_animation)
+        return;
+
+    //Disconnect from the previous animation if exist
+    if(m_animation)
+        disconnect(m_animation, SIGNAL(finished()), this, SIGNAL(animationFinished()));
+
+    m_animation = animation;
+
+    if (m_animation) {
+        //connect the new animation
+        connect(m_animation, SIGNAL(finished()), this, SIGNAL(animationFinished()));
+    }
+}
+
+/*!
+  Returns the animation handle by this animation state, or 0 if there is no animation.
+*/
+QAbstractAnimation* QAnimationState::animation() const
+{
+    return m_animation;
+}
+
+/*!
+  \reimp
+*/
+void QAnimationState::onEntry(QEvent *)
+{
+    if (m_animation)
+        m_animation->start();
+}
+
+/*!
+  \reimp
+*/
+void QAnimationState::onExit(QEvent *)
+{
+    if (m_animation)
+        m_animation->stop();
+}
+
+/*!
+  \reimp
+*/
+bool QAnimationState::event(QEvent *e)
+{
+    return QState::event(e);
+}
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/demos/sub-attaq/qanimationstate.h b/demos/sub-attaq/qanimationstate.h
new file mode 100644
index 0000000..6c5b565
--- /dev/null
+++ b/demos/sub-attaq/qanimationstate.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** 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 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QANIMATIONSTATE_H
+#define QANIMATIONSTATE_H
+
+#ifndef QT_STATEMACHINE_SOLUTION
+#  include <QtCore/qstate.h>
+#  include <QtCore/qabstractanimation.h>
+#else
+#  include "qstate.h"
+#  include "qabstractanimation.h"
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_ANIMATION
+
+class QAbstractAnimation;
+
+class QAnimationState : public QState
+{
+    Q_OBJECT
+public:
+    QAnimationState(QState *parent = 0);
+    ~QAnimationState();
+
+    void setAnimation(QAbstractAnimation *animation);
+    QAbstractAnimation* animation() const;
+
+signals:
+    void animationFinished();
+
+protected:
+    void onEntry(QEvent *);
+    void onExit(QEvent *);
+    bool event(QEvent *e);
+
+private:
+    Q_DISABLE_COPY(QAnimationState)
+    QAbstractAnimation *m_animation;
+};
+
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QANIMATIONSTATE_H
diff --git a/demos/sub-attaq/states.cpp b/demos/sub-attaq/states.cpp
new file mode 100644
index 0000000..d63737f
--- /dev/null
+++ b/demos/sub-attaq/states.cpp
@@ -0,0 +1,325 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "states.h"
+#include "graphicsscene.h"
+#include "boat.h"
+#include "submarine.h"
+#include "torpedo.h"
+#include "animationmanager.h"
+#include "progressitem.h"
+
+//Qt
+#include <QtGui/QMessageBox>
+#include <QtGui/QGraphicsView>
+#include <QtCore/QStateMachine>
+#include <QtGui/QKeyEventTransition>
+#include <QtCore/QSignalEvent>
+#include <QtCore/QFinalState>
+
+PlayState::PlayState(GraphicsScene *scene, QState *parent)
+    : QState(parent),
+    scene(scene),
+    machine(0),
+    currentLevel(0),
+    score(0)
+{
+}
+
+PlayState::~PlayState()
+{
+}
+
+void PlayState::onEntry(QEvent *)
+{
+    //We are now playing?
+    if (machine) {
+        machine->stop();
+        scene->clearScene();
+        currentLevel = 0;
+        score = 0;
+        delete machine;
+    }
+
+    machine = new QStateMachine(this);
+
+    //This state is when player is playing
+    LevelState *levelState = new LevelState(scene, this, machine);
+
+    //This state is when the player is actually playing but the game is not paused
+    QState *playingState = new QState(levelState);
+    levelState->setInitialState(playingState);
+
+    //This state is when the game is paused
+    PauseState *pauseState = new PauseState(scene, levelState);
+
+    //We have one view, it receive the key press event
+    QKeyEventTransition *pressPplay = new QKeyEventTransition(scene->views().at(0), QEvent::KeyPress, Qt::Key_P);
+    pressPplay->setTargetState(pauseState);
+    QKeyEventTransition *pressPpause = new QKeyEventTransition(scene->views().at(0), QEvent::KeyPress, Qt::Key_P);
+    pressPpause->setTargetState(playingState);
+
+    //Pause "P" is triggered, the player pause the game
+    playingState->addTransition(pressPplay);
+
+    //To get back playing when the game has been paused
+    pauseState->addTransition(pressPpause);
+
+    //This state is when player have lost
+    LostState *lostState = new LostState(scene, this, machine);
+
+    //This state is when player have won
+    WinState *winState = new WinState(scene, this, machine);
+
+    //The boat has been destroyed then the game is finished
+    levelState->addTransition(scene->boat, SIGNAL(boatExecutionFinished()),lostState);
+
+    //This transition check if we won or not
+    WinTransition *winTransition = new WinTransition(scene, this, winState);
+
+    //The boat has been destroyed then the game is finished
+    levelState->addTransition(winTransition);
+
+    //This state is an animation when the score changed
+    UpdateScoreState *scoreState = new UpdateScoreState(this, levelState);
+
+    //This transition update the score when a submarine die
+    UpdateScoreTransition *scoreTransition = new UpdateScoreTransition(scene, this, levelState);
+    scoreTransition->setTargetState(scoreState);
+
+    //The boat has been destroyed then the game is finished
+    playingState->addTransition(scoreTransition);
+
+    //We go back to play state
+    scoreState->addTransition(playingState);
+
+    //We start playing!!!
+    machine->setInitialState(levelState);
+
+    //Final state
+    QFinalState *final = new QFinalState(machine);
+
+    //This transition is triggered when the player press space after completing a level
+    CustomSpaceTransition *spaceTransition = new CustomSpaceTransition(scene->views().at(0), this, QEvent::KeyPress, Qt::Key_Space);
+    spaceTransition->setTargetState(levelState);
+    winState->addTransition(spaceTransition);
+
+    //We lost we should reach the final state
+    lostState->addTransition(lostState, SIGNAL(finished()), final);
+
+    machine->start();
+}
+
+LevelState::LevelState(GraphicsScene *scene, PlayState *game, QState *parent) : QState(parent), scene(scene), game(game)
+{
+}
+void LevelState::onEntry(QEvent *)
+{
+    initializeLevel();
+}
+
+void LevelState::initializeLevel()
+{
+    //we re-init the boat
+    scene->boat->setPos(scene->width()/2, scene->sealLevel() - scene->boat->size().height());
+    scene->boat->setCurrentSpeed(0);
+    scene->boat->setCurrentDirection(Boat::None);
+    scene->boat->setBombsLaunched(0);
+    scene->boat->show();
+    scene->setFocusItem(scene->boat,Qt::OtherFocusReason);
+    scene->boat->run();
+
+    scene->progressItem->setScore(game->score);
+    scene->progressItem->setLevel(game->currentLevel + 1);
+
+    GraphicsScene::LevelDescription currentLevelDescription = scene->levelsData.value(game->currentLevel);
+
+    for (int i = 0; i < currentLevelDescription.submarines.size(); ++i ) {
+
+        QPair<int,int> subContent = currentLevelDescription.submarines.at(i);
+        GraphicsScene::SubmarineDescription submarineDesc = scene->submarinesData.at(subContent.first);
+
+        for (int j = 0; j < subContent.second; ++j ) {
+            SubMarine *sub = new SubMarine(submarineDesc.type, submarineDesc.name, submarineDesc.points);
+            scene->addItem(sub);
+            int random = (qrand() % 15 + 1);
+            qreal x = random == 13 || random == 5 ? 0 : scene->width() - sub->size().width();
+            qreal y = scene->height() -(qrand() % 150 + 1) - sub->size().height();
+            sub->setPos(x,y);
+            sub->setCurrentDirection(x == 0 ? SubMarine::Right : SubMarine::Left);
+            sub->setCurrentSpeed(qrand() % 3 + 1);
+        }
+    }
+}
+
+/** Pause State */
+PauseState::PauseState(GraphicsScene *scene, QState *parent) : QState(parent),scene(scene)
+{
+}
+void PauseState::onEntry(QEvent *)
+{
+    AnimationManager::self()->pauseAll();
+    scene->boat->setEnabled(false);
+}
+void PauseState::onExit(QEvent *)
+{
+    AnimationManager::self()->resumeAll();
+    scene->boat->setEnabled(true);
+    scene->boat->setFocus();
+}
+
+/** Lost State */
+LostState::LostState(GraphicsScene *scene, PlayState *game, QState *parent) : QState(parent), scene(scene), game(game)
+{
+}
+
+void LostState::onEntry(QEvent *)
+{
+    //The message to display
+    QString message = QString("You lose on level %1. Your score is %2.").arg(game->currentLevel+1).arg(game->score);
+
+    //We set the level back to 0
+    game->currentLevel = 0;
+
+    //We set the score back to 0
+    game->score = 0;
+
+    //We clear the scene
+    scene->clearScene();
+
+    //we have only one view
+    QMessageBox::information(scene->views().at(0),"You lose",message);
+}
+
+/** Win State */
+WinState::WinState(GraphicsScene *scene, PlayState *game, QState *parent) : QState(parent), scene(scene), game(game)
+{
+}
+
+void WinState::onEntry(QEvent *)
+{
+    //We clear the scene
+    scene->clearScene();
+
+    QString message;
+    if (scene->levelsData.size() - 1 != game->currentLevel) {
+        message = QString("You win the level %1. Your score is %2.\nPress Space to continue after closing this dialog.").arg(game->currentLevel+1).arg(game->score);
+        //We increment the level number
+        game->currentLevel++;
+    } else {
+        message = QString("You finish the game on level %1. Your score is %2.").arg(game->currentLevel+1).arg(game->score);
+        //We set the level back to 0
+        game->currentLevel = 0;
+        //We set the score back to 0
+        game->score = 0;
+    }
+
+    //we have only one view
+    QMessageBox::information(scene->views().at(0),"You win",message);
+}
+
+/** UpdateScore State */
+UpdateScoreState::UpdateScoreState(PlayState *game, QState *parent) : QState(parent)
+{
+    this->game = game;
+}
+void UpdateScoreState::onEntry(QEvent *e)
+{
+    QState::onEntry(e);
+}
+
+/** Win transition */
+UpdateScoreTransition::UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target)
+    : QSignalTransition(scene,SIGNAL(subMarineDestroyed(int)), QList<QAbstractState*>() << target),
+    game(game), scene(scene)
+{
+}
+
+bool UpdateScoreTransition::eventTest(QEvent *event)
+{
+    if (!QSignalTransition::eventTest(event))
+        return false;
+    else {
+        QSignalEvent *se = static_cast<QSignalEvent*>(event);
+        game->score += se->arguments().at(0).toInt();
+        scene->progressItem->setScore(game->score);
+        return true;
+    }
+}
+
+/** Win transition */
+WinTransition::WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target)
+    : QSignalTransition(scene,SIGNAL(allSubMarineDestroyed(int)), QList<QAbstractState*>() << target),
+    game(game), scene(scene)
+{
+}
+
+bool WinTransition::eventTest(QEvent *event)
+{
+    if (!QSignalTransition::eventTest(event))
+        return false;
+    else {
+        QSignalEvent *se = static_cast<QSignalEvent*>(event);
+        game->score += se->arguments().at(0).toInt();
+        scene->progressItem->setScore(game->score);
+        return true;
+    }
+}
+
+/** Space transition */
+CustomSpaceTransition::CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key)
+    :   QKeyEventTransition(widget, type, key),
+        game(game)
+{
+}
+
+bool CustomSpaceTransition::eventTest(QEvent *event)
+{
+    Q_UNUSED(event);
+    if (!QKeyEventTransition::eventTest(event))
+        return false;
+    if (game->currentLevel != 0)
+        return true;
+    else
+        return false;
+
+}
diff --git a/demos/sub-attaq/states.h b/demos/sub-attaq/states.h
new file mode 100644
index 0000000..c3d81e7
--- /dev/null
+++ b/demos/sub-attaq/states.h
@@ -0,0 +1,180 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef STATES_H
+#define STATES_H
+
+//Qt
+#include <QtCore/QState>
+#include <QtCore/QSignalTransition>
+#include <QtCore/QPropertyAnimation>
+#include <QtGui/QKeyEventTransition>
+#include <QtCore/QSet>
+
+class GraphicsScene;
+class Boat;
+class SubMarine;
+QT_BEGIN_NAMESPACE
+class QStateMachine;
+QT_END_NAMESPACE
+
+class PlayState : public QState
+{
+public:
+    PlayState(GraphicsScene *scene, QState *parent = 0);
+    ~PlayState();
+
+ protected:
+    void onEntry(QEvent *);
+
+private :
+    GraphicsScene *scene;
+    QStateMachine *machine;
+    int currentLevel;
+    int score;
+    QState *parallelChild;
+
+    friend class UpdateScoreState;
+    friend class UpdateScoreTransition;
+    friend class WinTransition;
+    friend class CustomSpaceTransition;
+    friend class WinState;
+    friend class LostState;
+    friend class LevelState;
+};
+
+class LevelState : public QState
+{
+public:
+    LevelState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+protected:
+    void onEntry(QEvent *);
+private :
+    void initializeLevel();
+    GraphicsScene *scene;
+    PlayState *game;
+};
+
+class PauseState : public QState
+{
+public:
+    PauseState(GraphicsScene *scene, QState *parent = 0);
+
+protected:
+    void onEntry(QEvent *);
+    void onExit(QEvent *);
+private :
+    GraphicsScene *scene;
+    Boat *boat;
+};
+
+class LostState : public QState
+{
+public:
+    LostState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+
+protected:
+    void onEntry(QEvent *);
+private :
+    GraphicsScene *scene;
+    PlayState *game;
+};
+
+class WinState : public QState
+{
+public:
+    WinState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
+
+protected:
+    void onEntry(QEvent *);
+private :
+    GraphicsScene *scene;
+    PlayState *game;
+};
+
+class UpdateScoreState : public QState
+{
+public:
+    UpdateScoreState(PlayState *game, QState *parent);
+protected:
+    void onEntry(QEvent *);
+private:
+    QPropertyAnimation *scoreAnimation;
+    PlayState *game;
+};
+
+//These transtion is used to update the score
+class UpdateScoreTransition : public QSignalTransition
+{
+public:
+    UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
+protected:
+    virtual bool eventTest(QEvent *event);
+private:
+    PlayState * game;
+    GraphicsScene *scene;
+};
+
+//These transtion test if we have won the game
+class WinTransition : public QSignalTransition
+{
+public:
+    WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
+protected:
+    virtual bool eventTest(QEvent *event);
+private:
+    PlayState * game;
+    GraphicsScene *scene;
+};
+
+//These transtion is true if one level has been completed and the player want to continue
+ class CustomSpaceTransition : public QKeyEventTransition
+{
+public:
+    CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key);
+protected:
+    virtual bool eventTest(QEvent *event);
+private:
+    PlayState *game;
+    int key;
+};
+
+#endif // STATES_H
diff --git a/demos/sub-attaq/sub-attaq.pro b/demos/sub-attaq/sub-attaq.pro
new file mode 100644
index 0000000..ad1327d
--- /dev/null
+++ b/demos/sub-attaq/sub-attaq.pro
@@ -0,0 +1,37 @@
+contains(QT_CONFIG, opengl):QT += opengl
+
+HEADERS += boat.h \
+    bomb.h \
+    mainwindow.h \
+    submarine.h \
+    torpedo.h \
+    pixmapitem.h \
+    graphicsscene.h \
+    animationmanager.h \
+    states.h \
+    boat_p.h \
+    submarine_p.h \
+    custompropertyanimation.h \
+    qanimationstate.h \
+    progressitem.h
+SOURCES += boat.cpp \
+    bomb.cpp \
+    main.cpp \
+    mainwindow.cpp \
+    submarine.cpp \
+    torpedo.cpp \
+    pixmapitem.cpp \
+    graphicsscene.cpp \
+    animationmanager.cpp \
+    states.cpp \
+    custompropertyanimation.cpp \
+    qanimationstate.cpp \
+    progressitem.cpp
+RESOURCES += subattaq.qrc
+
+# install
+target.path = $$[QT_INSTALL_DEMOS]/animation/sub-attaq
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS sub-attaq.pro pics
+sources.path = $$[QT_INSTALL_DEMOS]/animation/sub-attaq
+INSTALLS += target sources
+
diff --git a/demos/sub-attaq/subattaq.qrc b/demos/sub-attaq/subattaq.qrc
new file mode 100644
index 0000000..80a3af1
--- /dev/null
+++ b/demos/sub-attaq/subattaq.qrc
@@ -0,0 +1,39 @@
+<RCC>
+    <qresource prefix="/" >
+        <file alias="all" >pics/scalable/sub-attaq.svg</file>
+        <file alias="submarine" >pics/scalable/submarine.svg</file>
+        <file alias="boat" >pics/scalable/boat.svg</file>
+        <file alias="torpedo" >pics/scalable/torpedo.svg</file>
+        <file alias="logo-s" >pics/welcome/logo-s.png</file>
+        <file alias="logo-u" >pics/welcome/logo-u.png</file>
+        <file alias="logo-b" >pics/welcome/logo-b.png</file>
+        <file alias="logo-dash" >pics/welcome/logo-dash.png</file>
+        <file alias="logo-a" >pics/welcome/logo-a.png</file>
+        <file alias="logo-t" >pics/welcome/logo-t.png</file>
+        <file alias="logo-t2" >pics/welcome/logo-t2.png</file>
+        <file alias="logo-a2" >pics/welcome/logo-a2.png</file>
+        <file alias="logo-q" >pics/welcome/logo-q.png</file>
+        <file alias="logo-excl" >pics/welcome/logo-excl.png</file>
+        <file alias="big/background" >pics/big/background.png</file>
+        <file alias="big/boat" >pics/big/boat.png</file>
+        <file alias="big/bomb" >pics/big/bomb.png</file>
+        <file alias="big/submarine" >pics/big/submarine.png</file>
+        <file alias="big/surface" >pics/big/surface.png</file>
+        <file alias="big/torpedo" >pics/big/torpedo.png</file>
+        <file alias="small/background" >pics/small/background.png</file>
+        <file alias="small/boat" >pics/small/boat.png</file>
+        <file alias="small/bomb" >pics/small/bomb.png</file>
+        <file alias="small/submarine" >pics/small/submarine.png</file>
+        <file alias="small/surface" >pics/small/surface.png</file>
+        <file alias="small/torpedo" >pics/small/torpedo.png</file>
+        <file alias="big/explosion/boat/step1" >pics/big/explosion/boat/step1.png</file>
+        <file alias="big/explosion/boat/step2" >pics/big/explosion/boat/step2.png</file>
+        <file alias="big/explosion/boat/step3" >pics/big/explosion/boat/step3.png</file>
+        <file alias="big/explosion/boat/step4" >pics/big/explosion/boat/step4.png</file>
+        <file alias="big/explosion/submarine/step1" >pics/big/explosion/submarine/step1.png</file>
+        <file alias="big/explosion/submarine/step2" >pics/big/explosion/submarine/step2.png</file>
+        <file alias="big/explosion/submarine/step3" >pics/big/explosion/submarine/step3.png</file>
+        <file alias="big/explosion/submarine/step4" >pics/big/explosion/submarine/step4.png</file>
+        <file>data.xml</file>
+    </qresource>
+</RCC>
diff --git a/demos/sub-attaq/submarine.cpp b/demos/sub-attaq/submarine.cpp
new file mode 100644
index 0000000..029e04b
--- /dev/null
+++ b/demos/sub-attaq/submarine.cpp
@@ -0,0 +1,218 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "submarine.h"
+#include "submarine_p.h"
+#include "torpedo.h"
+#include "pixmapitem.h"
+#include "graphicsscene.h"
+#include "animationmanager.h"
+#include "custompropertyanimation.h"
+#include "qanimationstate.h"
+
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QStateMachine>
+#include <QtCore/QFinalState>
+#include <QtCore/QSequentialAnimationGroup>
+
+static QAbstractAnimation *setupDestroyAnimation(SubMarine *sub)
+{
+    QSequentialAnimationGroup *group = new QSequentialAnimationGroup(sub);
+#if QT_VERSION >=0x040500
+    PixmapItem *step1 = new PixmapItem(QString("explosion/submarine/step1"),GraphicsScene::Big, sub);
+    step1->setZValue(6);
+    PixmapItem *step2 = new PixmapItem(QString("explosion/submarine/step2"),GraphicsScene::Big, sub);
+    step2->setZValue(6);
+    PixmapItem *step3 = new PixmapItem(QString("explosion/submarine/step3"),GraphicsScene::Big, sub);
+    step3->setZValue(6);
+    PixmapItem *step4 = new PixmapItem(QString("explosion/submarine/step4"),GraphicsScene::Big, sub);
+    step4->setZValue(6);
+    step1->setOpacity(0);
+    step2->setOpacity(0);
+    step3->setOpacity(0);
+    step4->setOpacity(0);
+    CustomPropertyAnimation *anim1 = new CustomPropertyAnimation(sub);
+    anim1->setMemberFunctions((QGraphicsItem*)step1, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim1->setDuration(100);
+    anim1->setEndValue(1);
+    CustomPropertyAnimation *anim2 = new CustomPropertyAnimation(sub);
+    anim2->setMemberFunctions((QGraphicsItem*)step2, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim2->setDuration(100);
+    anim2->setEndValue(1);
+    CustomPropertyAnimation *anim3 = new CustomPropertyAnimation(sub);
+    anim3->setMemberFunctions((QGraphicsItem*)step3, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim3->setDuration(100);
+    anim3->setEndValue(1);
+    CustomPropertyAnimation *anim4 = new CustomPropertyAnimation(sub);
+    anim4->setMemberFunctions((QGraphicsItem*)step4, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity);
+    anim4->setDuration(100);
+    anim4->setEndValue(1);
+    group->addAnimation(anim1);
+    group->addAnimation(anim2);
+    group->addAnimation(anim3);
+    group->addAnimation(anim4);
+#else
+    // work around for a bug where we don't transition if the duration is zero.
+    QtPauseAnimation *anim = new QtPauseAnimation(group);
+    anim->setDuration(1);
+    group->addAnimation(anim);
+#endif
+    AnimationManager::self()->registerAnimation(group);
+    return group;
+}
+
+
+SubMarine::SubMarine(int type, const QString &name, int points, QGraphicsItem * parent, Qt::WindowFlags wFlags)
+    : QGraphicsWidget(parent,wFlags), subType(type), subName(name), subPoints(points), speed(0), direction(SubMarine::None)
+{
+    pixmapItem = new PixmapItem(QString("submarine"),GraphicsScene::Big, this);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setZValue(5);
+    setFlags(QGraphicsItem::ItemIsMovable);
+    resize(pixmapItem->boundingRect().width(),pixmapItem->boundingRect().height());
+    setTransformOriginPoint(boundingRect().center());
+
+    graphicsRotation = new QGraphicsRotation3D(this);
+    graphicsRotation->setAxis(QVector3D(0, 1, 0));
+    graphicsRotation->setOrigin(QPointF(size().width()/2, size().height()/2));
+    QList<QGraphicsTransform *> r;
+    r.append(graphicsRotation);
+    setTransformations(r);
+
+    //We setup the state machine of the submarine
+    QStateMachine *machine = new QStateMachine(this);
+
+    //This state is when the boat is moving/rotating
+    QState *moving = new QState(machine);
+
+    //This state is when the boat is moving from left to right
+    MovementState *movement = new MovementState(this, moving);
+
+    //This state is when the boat is moving from left to right
+    ReturnState *rotation = new ReturnState(this, moving);
+
+    //This is the initial state of the moving root state
+    moving->setInitialState(movement);
+
+    movement->addTransition(this, SIGNAL(subMarineStateChanged()), moving);
+
+    //This is the initial state of the machine
+    machine->setInitialState(moving);
+
+    //End
+    QFinalState *final = new QFinalState(machine);
+
+    //If the moving animation is finished we move to the return state
+    movement->addTransition(movement, SIGNAL(animationFinished()), rotation);
+
+    //If the return animation is finished we move to the moving state
+    rotation->addTransition(rotation, SIGNAL(animationFinished()), movement);
+
+    //This state play the destroyed animation
+    QAnimationState *destroyedState = new QAnimationState(machine);
+    destroyedState->setAnimation(setupDestroyAnimation(this));
+
+    //Play a nice animation when the submarine is destroyed
+    moving->addTransition(this, SIGNAL(subMarineDestroyed()), destroyedState);
+
+    //Transition to final state when the destroyed animation is finished
+    destroyedState->addTransition(destroyedState, SIGNAL(animationFinished()), final);
+
+    //The machine has finished to be executed, then the submarine is dead
+    connect(machine,SIGNAL(finished()),this, SIGNAL(subMarineExecutionFinished()));
+
+    machine->start();
+}
+
+int SubMarine::points()
+{
+    return subPoints;
+}
+
+void SubMarine::setCurrentDirection(SubMarine::Movement direction)
+{
+    if (this->direction == direction)
+        return;
+    if (direction == SubMarine::Right && this->direction == SubMarine::None) {
+          graphicsRotation->setAngle(180);
+    }
+    this->direction = direction;
+}
+
+enum SubMarine::Movement SubMarine::currentDirection() const
+{
+    return direction;
+}
+
+void SubMarine::setCurrentSpeed(int speed)
+{
+    if (speed < 0 || speed > 3) {
+        qWarning("SubMarine::setCurrentSpeed : The speed is invalid");
+    }
+    this->speed = speed;
+    emit subMarineStateChanged();
+}
+
+int SubMarine::currentSpeed() const
+{
+    return speed;
+}
+
+void SubMarine::launchTorpedo(int speed)
+{
+    Torpedo * torp = new Torpedo();
+    GraphicsScene *scene = static_cast<GraphicsScene *>(this->scene());
+    scene->addItem(torp);
+    torp->setPos(x(), y());
+    torp->setCurrentSpeed(speed);
+    torp->launch();
+}
+
+void SubMarine::destroy()
+{
+    emit subMarineDestroyed();
+}
+
+int SubMarine::type() const
+{
+    return Type;
+}
diff --git a/demos/sub-attaq/submarine.h b/demos/sub-attaq/submarine.h
new file mode 100644
index 0000000..564e9c6
--- /dev/null
+++ b/demos/sub-attaq/submarine.h
@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __SUBMARINE__H__
+#define __SUBMARINE__H__
+
+//Qt
+#include <QtCore/QVariantAnimation>
+#include <QtGui/QGraphicsWidget>
+#include <QtGui/QGraphicsTransform>
+
+class PixmapItem;
+
+class Torpedo;
+
+class SubMarine : public QGraphicsWidget
+{
+Q_OBJECT
+public:
+    enum Movement {
+       None = 0,
+       Left,
+       Right
+    };
+    enum { Type = UserType + 1 };
+    SubMarine(int type, const QString &name, int points, QGraphicsItem * parent = 0, Qt::WindowFlags wFlags = 0);
+
+    int points();
+
+    void setCurrentDirection(Movement direction);
+    enum Movement currentDirection() const;
+
+    void setCurrentSpeed(int speed);
+    int currentSpeed() const;
+
+    void launchTorpedo(int speed);
+    void destroy();
+
+    virtual int type() const;
+
+    QGraphicsRotation3D *rotation3d() const { return graphicsRotation; }
+
+signals:
+    void subMarineDestroyed();
+    void subMarineExecutionFinished();
+    void subMarineStateChanged();
+
+private:
+    int subType;
+    QString subName;
+    int subPoints;
+    int speed;
+    Movement direction;
+    PixmapItem *pixmapItem;
+    QGraphicsRotation3D *graphicsRotation;
+};
+
+#endif //__SUBMARINE__H__
diff --git a/demos/sub-attaq/submarine_p.h b/demos/sub-attaq/submarine_p.h
new file mode 100644
index 0000000..c04b25b
--- /dev/null
+++ b/demos/sub-attaq/submarine_p.h
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SUBMARINE_P_H
+#define SUBMARINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+//Own
+#include "animationmanager.h"
+#include "submarine.h"
+#include "qanimationstate.h"
+
+//Qt
+#include <QtCore/QPropertyAnimation>
+#include <QtGui/QGraphicsScene>
+
+//This state is describing when the boat is moving right
+class MovementState : public QAnimationState
+{
+Q_OBJECT
+public:
+    MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    {
+        movementAnimation = new QPropertyAnimation(submarine, "pos");
+        connect(movementAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationMovementValueChanged(const QVariant &)));
+        setAnimation(movementAnimation);
+        AnimationManager::self()->registerAnimation(movementAnimation);
+        this->submarine = submarine;
+    }
+
+protected slots:
+    void onAnimationMovementValueChanged(const QVariant &)
+    {
+        if (qrand() % 200 + 1 == 3)
+            submarine->launchTorpedo(qrand() % 3 + 1);
+    }
+
+protected:
+    void onEntry(QEvent *e)
+    {
+        if (submarine->currentDirection() == SubMarine::Left) {
+            movementAnimation->setEndValue(QPointF(0,submarine->y()));
+            movementAnimation->setDuration(submarine->x()/submarine->currentSpeed()*12);
+        }
+        else /*if (submarine->currentDirection() == SubMarine::Right)*/ {
+            movementAnimation->setEndValue(QPointF(submarine->scene()->width()-submarine->size().width(),submarine->y()));
+            movementAnimation->setDuration((submarine->scene()->width()-submarine->size().width()-submarine->x())/submarine->currentSpeed()*12);
+        }
+        movementAnimation->setStartValue(submarine->pos());
+        QAnimationState::onEntry(e);
+    }
+
+private:
+    SubMarine *submarine;
+    QPropertyAnimation *movementAnimation;
+};
+
+//This state is describing when the boat is moving right
+class ReturnState : public QAnimationState
+{
+public:
+    ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
+    {
+        returnAnimation = new QPropertyAnimation(submarine->rotation3d(), "angle");
+        AnimationManager::self()->registerAnimation(returnAnimation);
+        setAnimation(returnAnimation);
+        this->submarine = submarine;
+    }
+
+protected:
+    void onEntry(QEvent *e)
+    {
+        returnAnimation->stop();
+        returnAnimation->setStartValue(submarine->rotation3d()->angle());
+        returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.);
+        returnAnimation->setDuration(500);
+        QAnimationState::onEntry(e);
+    }
+
+    void onExit(QEvent *e)
+    {
+        submarine->currentDirection() == SubMarine::Right ? submarine->setCurrentDirection(SubMarine::Left) : submarine->setCurrentDirection(SubMarine::Right);
+        QAnimationState::onExit(e);
+    }
+
+private:
+    SubMarine *submarine;
+    QPropertyAnimation *returnAnimation;
+};
+
+#endif // SUBMARINE_P_H
diff --git a/demos/sub-attaq/torpedo.cpp b/demos/sub-attaq/torpedo.cpp
new file mode 100644
index 0000000..fe79488
--- /dev/null
+++ b/demos/sub-attaq/torpedo.cpp
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//Own
+#include "torpedo.h"
+#include "pixmapitem.h"
+#include "boat.h"
+#include "graphicsscene.h"
+#include "animationmanager.h"
+#include "qanimationstate.h"
+
+#include <QtCore/QPropertyAnimation>
+#include <QtCore/QStateMachine>
+#include <QtCore/QFinalState>
+
+Torpedo::Torpedo(QGraphicsItem * parent, Qt::WindowFlags wFlags)
+    : QGraphicsWidget(parent,wFlags), currentSpeed(0), launchAnimation(0)
+{
+    pixmapItem = new PixmapItem(QString::fromLatin1("torpedo"),GraphicsScene::Big, this);
+    setZValue(2);
+    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setFlags(QGraphicsItem::ItemIsMovable);
+    resize(pixmapItem->boundingRect().size());
+}
+
+void Torpedo::launch()
+{
+    launchAnimation = new QPropertyAnimation(this, "pos");
+    AnimationManager::self()->registerAnimation(launchAnimation);
+    launchAnimation->setEndValue(QPointF(x(),qobject_cast<GraphicsScene *>(scene())->sealLevel() - 15));
+    launchAnimation->setEasingCurve(QEasingCurve::InQuad);
+    launchAnimation->setDuration(y()/currentSpeed*10);
+    connect(launchAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationLaunchValueChanged(const QVariant &)));
+
+    //We setup the state machine of the torpedo
+    QStateMachine *machine = new QStateMachine(this);
+
+    //This state is when the launch animation is playing
+    QAnimationState *launched = new QAnimationState(machine);
+    launched->setAnimation(launchAnimation);
+
+    //End
+    QFinalState *final = new QFinalState(machine);
+
+    machine->setInitialState(launched);
+
+    //### Add a nice animation when the torpedo is destroyed
+    launched->addTransition(this, SIGNAL(torpedoExplosed()),final);
+
+    //If the animation is finished, then we move to the final state
+    launched->addTransition(launched, SIGNAL(animationFinished()), final);
+
+    //The machine has finished to be executed, then the boat is dead
+    connect(machine,SIGNAL(finished()),this, SIGNAL(torpedoExecutionFinished()));
+
+    machine->start();
+}
+
+void Torpedo::setCurrentSpeed(int speed)
+{
+    if (speed < 0) {
+        qWarning("Torpedo::setCurrentSpeed : The speed is invalid");
+        return;
+    }
+    currentSpeed = speed;
+}
+
+void Torpedo::onAnimationLaunchValueChanged(const QVariant &)
+{
+    foreach (QGraphicsItem *item , collidingItems(Qt::IntersectsItemBoundingRect)) {
+        if (item->type() == Boat::Type) {
+            Boat *b = static_cast<Boat *>(item);
+            b->destroy();
+        }
+    }
+}
+
+void Torpedo::destroy()
+{
+    launchAnimation->stop();
+    emit torpedoExplosed();
+}
diff --git a/demos/sub-attaq/torpedo.h b/demos/sub-attaq/torpedo.h
new file mode 100644
index 0000000..c44037f
--- /dev/null
+++ b/demos/sub-attaq/torpedo.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __TORPEDO__H__
+#define __TORPEDO__H__
+
+//Qt
+#include <QtCore/QObject>
+
+#include <QtCore/QVariantAnimation>
+#include <QtGui/QGraphicsWidget>
+
+class PixmapItem;
+
+class Torpedo : public QGraphicsWidget
+{
+Q_OBJECT
+public:
+    Torpedo(QGraphicsItem * parent = 0, Qt::WindowFlags wFlags = 0);
+    void launch();
+    void setCurrentSpeed(int speed);
+    void destroy();
+
+signals:
+    void torpedoExplosed();
+    void torpedoExecutionFinished();
+
+private slots:
+    void onAnimationLaunchValueChanged(const QVariant &);
+
+private:
+    int currentSpeed;
+    PixmapItem *pixmapItem;
+    QVariantAnimation *launchAnimation;
+};
+
+#endif //__TORPEDO__H__