Merge commit 'qt/master-stable'

27 files changed, 1 insertions, 2396 deletions

diff --git a/examples/statemachine/statemachine.pro b/examples/statemachine/statemachine.pro
index 5074a3c..ea3e7a8 100644
--- a/examples/statemachine/statemachine.pro
+++ b/examples/statemachine/statemachine.pro
@@ -4,9 +4,7 @@ SUBDIRS       = \
                 factorial \
                 pingpong \
                 trafficlight \
-                twowaybutton \
-                tankgame \
-                tankgameplugins
+                twowaybutton
 
 # install
 target.path = $$[QT_INSTALL_EXAMPLES]/statemachine
diff --git a/examples/statemachine/tankgame/gameitem.cpp b/examples/statemachine/tankgame/gameitem.cpp
deleted file mode 100644
index 94affb4..0000000
--- a/examples/statemachine/tankgame/gameitem.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "gameitem.h"
-
-#include <QGraphicsScene>
-#include <QDebug>
-
-GameItem::GameItem(QObject *parent) : QObject(parent)
-{
-}
-
-QPointF GameItem::tryMove(const QPointF &requestedPosition, QLineF *collidedLine, 
-                          QGraphicsItem **collidedItem) const
-{
-    QLineF movementPath(pos(), requestedPosition);    
-
-    qreal cannonLength = 0.0;
-    {
-        QPointF p1 = boundingRect().center();
-        QPointF p2 = QPointF(boundingRect().right() + 10.0, p1.y());
-
-        cannonLength = QLineF(mapToScene(p1), mapToScene(p2)).length();
-    }
-
-    movementPath.setLength(movementPath.length() + cannonLength);
-
-    QRectF boundingRectPath(QPointF(qMin(movementPath.x1(), movementPath.x2()), qMin(movementPath.y1(), movementPath.y2())),
-                            QPointF(qMax(movementPath.x1(), movementPath.x2()), qMax(movementPath.y1(), movementPath.y2())));
-
-    QList<QGraphicsItem *> itemsInRect = scene()->items(boundingRectPath, Qt::IntersectsItemBoundingRect);
-
-    QPointF nextPoint = requestedPosition;
-    QRectF sceneRect = scene()->sceneRect();
-
-    foreach (QGraphicsItem *item, itemsInRect) {
-        if (item == static_cast<const QGraphicsItem *>(this))
-            continue; 
-
-        QPolygonF mappedBoundingRect = item->mapToScene(item->boundingRect());
-        for (int i=0; i<mappedBoundingRect.size(); ++i) {
-            QPointF p1 = mappedBoundingRect.at(i == 0 ? mappedBoundingRect.size()-1 : i-1);
-            QPointF p2 = mappedBoundingRect.at(i);
-
-            QLineF rectLine(p1, p2);
-            QPointF intersectionPoint;
-            QLineF::IntersectType intersectType = movementPath.intersect(rectLine, &intersectionPoint);
-
-            if (intersectType == QLineF::BoundedIntersection) {
-                movementPath.setP2(intersectionPoint);
-                movementPath.setLength(movementPath.length() - cannonLength);
-                nextPoint = movementPath.p2();
-
-                if (collidedLine != 0)
-                    *collidedLine = rectLine;
-
-                if (collidedItem != 0)
-                    *collidedItem = item;
-            }
-        }
-    }
-
-
-    // Don't go outside of map
-    if (nextPoint.x() < sceneRect.left()) {
-        nextPoint.rx() = sceneRect.left();
-        if (collidedLine != 0)
-            *collidedLine = QLineF(scene()->sceneRect().topLeft(), scene()->sceneRect().bottomLeft());
-    }
-    
-    if (nextPoint.x() > sceneRect.right()) {
-        nextPoint.rx() = sceneRect.right();
-        if (collidedLine != 0)
-            *collidedLine = QLineF(scene()->sceneRect().topRight(), scene()->sceneRect().bottomRight());        
-    }
-    
-    if (nextPoint.y() < sceneRect.top()) {
-        nextPoint.ry() = sceneRect.top();
-        if (collidedLine != 0)
-            *collidedLine = QLineF(scene()->sceneRect().topLeft(), scene()->sceneRect().topRight());
-    }
-    
-    if (nextPoint.y() > sceneRect.bottom()) {
-        nextPoint.ry() = sceneRect.bottom();
-        if (collidedLine != 0)
-            *collidedLine = QLineF(scene()->sceneRect().bottomLeft(), scene()->sceneRect().bottomRight());
-    }
-
-    return nextPoint;
-}
-
diff --git a/examples/statemachine/tankgame/gameitem.h b/examples/statemachine/tankgame/gameitem.h
deleted file mode 100644
index af012bb..0000000
--- a/examples/statemachine/tankgame/gameitem.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/****************************************************************************
-**
-** 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 GAMEITEM_H
-#define GAMEITEM_H
-
-#include <QGraphicsItem>
-
-QT_BEGIN_NAMESPACE
-class QLineF;
-QT_END_NAMESPACE
-class GameItem: public QObject, public QGraphicsItem
-{
-    Q_OBJECT
-public:
-    enum { Type = UserType + 1 };
-    int type() const { return Type; }
-
-    GameItem(QObject *parent = 0);
-
-    virtual void idle(qreal elapsed) = 0;
-
-protected:
-    QPointF tryMove(const QPointF &requestedPosition, QLineF *collidedLine = 0, 
-        QGraphicsItem **collidedItem = 0) const;
-};
-
-#endif
diff --git a/examples/statemachine/tankgame/gameovertransition.cpp b/examples/statemachine/tankgame/gameovertransition.cpp
deleted file mode 100644
index 634fbce..0000000
--- a/examples/statemachine/tankgame/gameovertransition.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "gameovertransition.h"
-#include "tankitem.h"
-
-#include <QSignalEvent>
-#include <QSignalMapper>
-
-GameOverTransition::GameOverTransition(QAbstractState *targetState)
-    : QSignalTransition(new QSignalMapper(), SIGNAL(mapped(QObject*)))
-{
-    setTargetState(targetState);
-
-    QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject());
-    mapper->setParent(this);
-}
-
-void GameOverTransition::addTankItem(TankItem *tankItem)
-{
-    m_tankItems.append(tankItem);
-
-    QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject());
-    mapper->setMapping(tankItem, tankItem);
-    connect(tankItem, SIGNAL(aboutToBeDestroyed()), mapper, SLOT(map()));
-}
-
-bool GameOverTransition::eventTest(QEvent *e)
-{
-    bool ret = QSignalTransition::eventTest(e);
-
-    if (ret) {
-        QSignalEvent *signalEvent = static_cast<QSignalEvent *>(e);
-        QObject *sender = qvariant_cast<QObject *>(signalEvent->arguments().at(0));
-        TankItem *tankItem = qobject_cast<TankItem *>(sender);
-        m_tankItems.removeAll(tankItem);
-
-        return m_tankItems.size() <= 1;
-    } else {
-        return false;
-    }
-}
diff --git a/examples/statemachine/tankgame/gameovertransition.h b/examples/statemachine/tankgame/gameovertransition.h
deleted file mode 100644
index e918359..0000000
--- a/examples/statemachine/tankgame/gameovertransition.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/****************************************************************************
-**
-** 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 GAMEOVERTRANSITION_H
-#define GAMEOVERTRANSITION_H
-
-#include <QSignalTransition>
-
-class TankItem;
-class GameOverTransition: public QSignalTransition
-{
-    Q_OBJECT
-public:
-    GameOverTransition(QAbstractState *targetState);
-
-    void addTankItem(TankItem *tankItem);
-
-protected:
-    bool eventTest(QEvent *event);
-
-private:
-    QList<TankItem *> m_tankItems;
-};
-
-#endif
diff --git a/examples/statemachine/tankgame/main.cpp b/examples/statemachine/tankgame/main.cpp
deleted file mode 100644
index 85e2747..0000000
--- a/examples/statemachine/tankgame/main.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include <QApplication>
-#include "mainwindow.h"
-
-int main(int argc, char **argv)
-{
-    QApplication app(argc, argv);
-
-    MainWindow mainWindow;
-    mainWindow.show();
-
-    return app.exec();
-}
diff --git a/examples/statemachine/tankgame/mainwindow.cpp b/examples/statemachine/tankgame/mainwindow.cpp
deleted file mode 100644
index 596cdfe..0000000
--- a/examples/statemachine/tankgame/mainwindow.cpp
+++ /dev/null
@@ -1,342 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "mainwindow.h"
-#include "tankitem.h"
-#include "rocketitem.h"
-#include "plugin.h"
-#include "gameovertransition.h"
-
-#include <QStateMachine>
-#include <QGraphicsView>
-#include <QAction>
-#include <QMenuBar>
-#include <QState>
-#include <QHistoryState>
-#include <QTimer>
-#include <QFileDialog>
-#include <QPluginLoader>
-#include <QApplication>
-#include <QInputDialog>
-#include <QMessageBox>
-
-MainWindow::MainWindow(QWidget *parent)
-    : QMainWindow(parent), m_scene(0), m_machine(0), m_runningState(0), m_started(false)
-{
-    init();
-}
-
-MainWindow::~MainWindow()
-{
-}
-
-void MainWindow::addWall(const QRectF &wall)
-{
-    QGraphicsRectItem *item = new QGraphicsRectItem;
-    item->setRect(wall);
-    item->setBrush(Qt::darkGreen);
-    item->setPen(QPen(Qt::black, 0));
-
-    m_scene->addItem(item);
-}
-
-void MainWindow::init()
-{
-    setWindowTitle("Pluggable Tank Game");
-
-    QGraphicsView *view = new QGraphicsView(this);
-    view->setRenderHints(QPainter::Antialiasing);
-    setCentralWidget(view);
-
-    m_scene = new QGraphicsScene(this);
-    view->setScene(m_scene);
-
-    QRectF sceneRect = QRectF(-200.0, -200.0, 400.0, 400.0);
-    m_scene->setSceneRect(sceneRect);
-
-    {
-        TankItem *item = new TankItem(this);
-
-        item->setPos(m_scene->sceneRect().topLeft() + QPointF(30.0, 30.0));
-        item->setDirection(45.0);
-        item->setColor(Qt::red);
-
-        m_spawns.append(item);
-    }
-
-    {
-        TankItem *item = new TankItem(this);
-
-        item->setPos(m_scene->sceneRect().topRight() + QPointF(-30.0, 30.0));
-        item->setDirection(135.0);
-        item->setColor(Qt::green);
-
-        m_spawns.append(item);
-    }
-
-    {
-        TankItem *item = new TankItem(this);
-
-        item->setPos(m_scene->sceneRect().bottomRight() + QPointF(-30.0, -30.0));
-        item->setDirection(225.0);
-        item->setColor(Qt::blue);
-
-        m_spawns.append(item);
-    }
-
-    {
-        TankItem *item = new TankItem(this);
-
-        item->setPos(m_scene->sceneRect().bottomLeft() + QPointF(30.0, -30.0));
-        item->setDirection(315.0);
-        item->setColor(Qt::yellow);
-
-        m_spawns.append(item);
-    }
-
-    QPointF centerOfMap = sceneRect.center();
-
-    addWall(QRectF(centerOfMap + QPointF(-50.0, -60.0), centerOfMap + QPointF(50.0, -50.0)));
-    addWall(QRectF(centerOfMap - QPointF(-50.0, -60.0), centerOfMap - QPointF(50.0, -50.0)));
-    addWall(QRectF(centerOfMap + QPointF(-50.0, -50.0), centerOfMap + QPointF(-40.0, 50.0)));
-    addWall(QRectF(centerOfMap - QPointF(-50.0, -50.0), centerOfMap - QPointF(-40.0, 50.0)));
-
-    addWall(QRectF(sceneRect.topLeft() + QPointF(sceneRect.width() / 2.0 - 5.0, -10.0),
-                   sceneRect.topLeft() + QPointF(sceneRect.width() / 2.0 + 5.0, 100.0)));
-    addWall(QRectF(sceneRect.bottomLeft() + QPointF(sceneRect.width() / 2.0 - 5.0, 10.0),
-                   sceneRect.bottomLeft() + QPointF(sceneRect.width() / 2.0 + 5.0, -100.0)));
-    addWall(QRectF(sceneRect.topLeft() + QPointF(-10.0, sceneRect.height() / 2.0 - 5.0),
-                   sceneRect.topLeft() + QPointF(100.0, sceneRect.height() / 2.0 + 5.0)));
-    addWall(QRectF(sceneRect.topRight() + QPointF(10.0, sceneRect.height() / 2.0 - 5.0),
-                   sceneRect.topRight() + QPointF(-100.0, sceneRect.height() / 2.0 + 5.0)));
-
-
-    QAction *addTankAction = menuBar()->addAction("&Add tank");
-    QAction *runGameAction = menuBar()->addAction("&Run game");
-    runGameAction->setObjectName("runGameAction");
-    QAction *stopGameAction = menuBar()->addAction("&Stop game");
-    menuBar()->addSeparator();
-    QAction *quitAction = menuBar()->addAction("&Quit");
-
-    connect(addTankAction, SIGNAL(triggered()), this, SLOT(addTank()));
-    connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
-
-    m_machine = new QStateMachine(this);
-    QState *stoppedState = new QState(m_machine);
-    stoppedState->setObjectName("stoppedState");
-    stoppedState->assignProperty(runGameAction, "enabled", true);
-    stoppedState->assignProperty(stopGameAction, "enabled", false);
-    stoppedState->assignProperty(this, "started", false);
-    m_machine->setInitialState(stoppedState);
-
-//! [5]
-    QState *spawnsAvailable = new QState(stoppedState);
-    spawnsAvailable->assignProperty(addTankAction, "enabled", true);
-
-    QState *noSpawnsAvailable = new QState(stoppedState);
-    noSpawnsAvailable->assignProperty(addTankAction, "enabled", false);
-//! [5]
-    spawnsAvailable->setObjectName("spawnsAvailable");
-    noSpawnsAvailable->setObjectName("noSpawnsAvailable");
-
-    spawnsAvailable->addTransition(this, SIGNAL(mapFull()), noSpawnsAvailable);
-
-//! [3]
-    QHistoryState *hs = new QHistoryState(stoppedState);
-    hs->setDefaultState(spawnsAvailable);
-//! [3]
-    hs->setObjectName("hs");
-
-    stoppedState->setInitialState(hs);
-
-//! [0]
-    m_runningState = new QState(QState::ParallelStates, m_machine);
-//! [0]
-    m_runningState->setObjectName("runningState");
-    m_runningState->assignProperty(addTankAction, "enabled", false);
-    m_runningState->assignProperty(runGameAction, "enabled", false);
-    m_runningState->assignProperty(stopGameAction, "enabled", true);
-
-    QState *gameOverState = new QState(m_machine);
-    gameOverState->setObjectName("gameOverState");
-    gameOverState->assignProperty(stopGameAction, "enabled", false);
-    connect(gameOverState, SIGNAL(entered()), this, SLOT(gameOver()));
-
-    stoppedState->addTransition(runGameAction, SIGNAL(triggered()), m_runningState);
-    m_runningState->addTransition(stopGameAction, SIGNAL(triggered()), stoppedState);
-
-    m_gameOverTransition = new GameOverTransition(gameOverState);
-    m_runningState->addTransition(m_gameOverTransition);
-
-    QTimer *timer = new QTimer(this);
-    timer->setInterval(100);
-    connect(timer, SIGNAL(timeout()), this, SLOT(runStep()));
-    connect(m_runningState, SIGNAL(entered()), timer, SLOT(start()));
-    connect(m_runningState, SIGNAL(exited()), timer, SLOT(stop()));
-
-    m_machine->start();
-    m_time.start();
-}
-
-void MainWindow::runStep()
-{
-    if (!m_started) {
-        m_time.restart();
-        m_started = true;
-    } else {
-        int elapsed = m_time.elapsed();
-        if (elapsed > 0) {
-            m_time.restart();
-            qreal elapsedSecs = elapsed / 1000.0;
-            QList<QGraphicsItem *> items = m_scene->items();
-            foreach (QGraphicsItem *item, items) {
-                if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(item))
-                    gameItem->idle(elapsedSecs);
-            }
-        }
-    }
-}
-
-void MainWindow::gameOver()
-{
-    QList<QGraphicsItem *> items = m_scene->items();
-
-    TankItem *lastTankStanding = 0;
-    foreach (QGraphicsItem *item, items) {
-        if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(item)) {
-            if ((lastTankStanding = qobject_cast<TankItem *>(gameItem)) != 0)
-                break;
-        }
-    }
-
-    QMessageBox::information(this, "Game over!",
-        QString::fromLatin1("The tank played by '%1' has won!").arg(lastTankStanding->objectName()));
-}
-
-void MainWindow::addRocket()
-{
-    TankItem *tankItem = qobject_cast<TankItem *>(sender());
-    if (tankItem != 0) {
-        RocketItem *rocketItem = new RocketItem;
-
-        QPointF s = tankItem->mapToScene(QPointF(tankItem->boundingRect().right() + 10.0,
-                                                 tankItem->boundingRect().center().y()));
-        rocketItem->setPos(s);
-        rocketItem->setDirection(tankItem->direction());
-        m_scene->addItem(rocketItem);
-    }
-}
-
-void MainWindow::addTank()
-{
-    Q_ASSERT(!m_spawns.isEmpty());
-
-    QDir pluginsDir(qApp->applicationDirPath());
-#if defined(Q_OS_WIN)
-    if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release")
-        pluginsDir.cdUp();
-#elif defined(Q_OS_MAC)
-    if (pluginsDir.dirName() == "MacOS") {
-        pluginsDir.cdUp();
-        pluginsDir.cdUp();
-        pluginsDir.cdUp();
-    }
-#endif
-
-    pluginsDir.cd("plugins");
-
-    QStringList itemNames;
-    QList<Plugin *> items;
-    foreach (QString fileName, pluginsDir.entryList(QDir::Files)) {
-        QPluginLoader loader(pluginsDir.absoluteFilePath(fileName));
-        QObject *possiblePlugin = loader.instance();
-        if (Plugin *plugin = qobject_cast<Plugin *>(possiblePlugin)) {
-            QString objectName = possiblePlugin->objectName();
-            if (objectName.isEmpty())
-                objectName = fileName;
-
-            itemNames.append(objectName);
-            items.append(plugin);
-        }
-    }
-
-    if (items.isEmpty()) {
-        QMessageBox::information(this, "No tank types found", "Please build the errorstateplugins directory");
-        return;
-    }
-
-    bool ok;
-//! [1]
-    QString selectedName = QInputDialog::getItem(this, "Select a tank type", "Tank types",
-        itemNames, 0, false, &ok);
-//! [1]
-
-    if (ok && !selectedName.isEmpty()) {
-        int idx = itemNames.indexOf(selectedName);
-        if (Plugin *plugin = idx >= 0 ? items.at(idx) : 0) {
-            TankItem *tankItem = m_spawns.takeLast();
-            tankItem->setObjectName(selectedName);
-            tankItem->setToolTip(selectedName);
-            m_scene->addItem(tankItem);
-            connect(tankItem, SIGNAL(cannonFired()), this, SLOT(addRocket()));
-            if (m_spawns.isEmpty())
-                emit mapFull();
-
-            m_gameOverTransition->addTankItem(tankItem);
-
-            QState *region = new QState(m_runningState);
-            region->setObjectName(QString::fromLatin1("region%1").arg(m_spawns.size()));
-//! [2]
-            QState *pluginState = plugin->create(region, tankItem);
-//! [2]
-            region->setInitialState(pluginState);
-
-            // If the plugin has an error it is disabled
-//! [4]
-            QState *errorState = new QState(region);
-            errorState->setObjectName(QString::fromLatin1("errorState%1").arg(m_spawns.size()));
-            errorState->assignProperty(tankItem, "enabled", false);
-            pluginState->setErrorState(errorState);
-//! [4]
-        }
-    }
-}
-
diff --git a/examples/statemachine/tankgame/mainwindow.h b/examples/statemachine/tankgame/mainwindow.h
deleted file mode 100644
index d42b7ac..0000000
--- a/examples/statemachine/tankgame/mainwindow.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/****************************************************************************
-**
-** 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 MAINWINDOW_H
-#define MAINWINDOW_H
-
-#include <QMainWindow>
-#include <QTime>
-
-QT_BEGIN_NAMESPACE
-class QGraphicsScene;
-class QStateMachine;
-class QState;
-QT_END_NAMESPACE
-class GameOverTransition;
-class TankItem;
-
-class MainWindow: public QMainWindow
-{
-    Q_OBJECT
-    Q_PROPERTY(bool started READ started WRITE setStarted)
-public:
-    MainWindow(QWidget *parent = 0);
-    ~MainWindow();
-
-    void setStarted(bool b) { m_started = b; }
-    bool started() const { return m_started; }
-
-public slots:
-    void addTank();
-    void addRocket();
-    void runStep();
-    void gameOver();
-
-signals:
-    void mapFull();
-
-private:
-    void init();
-    void addWall(const QRectF &wall);
-
-    QGraphicsScene *m_scene;
-
-    QStateMachine *m_machine;
-    QState *m_runningState;
-    GameOverTransition *m_gameOverTransition;
-
-    QList<TankItem *> m_spawns;
-    QTime m_time;
-
-    bool m_started : 1;
-};
-
-#endif
-
diff --git a/examples/statemachine/tankgame/plugin.h b/examples/statemachine/tankgame/plugin.h
deleted file mode 100644
index 97e4640..0000000
--- a/examples/statemachine/tankgame/plugin.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/****************************************************************************
-**
-** 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 PLUGIN_H
-#define PLUGIN_H
-
-#include <QtPlugin>
-
-QT_BEGIN_NAMESPACE
-class QState;
-QT_END_NAMESPACE
-class Plugin
-{
-public:
-    virtual ~Plugin() {}
-
-    virtual QState *create(QState *parentState, QObject *tank) = 0;
-};
-
-QT_BEGIN_NAMESPACE
-Q_DECLARE_INTERFACE(Plugin, "TankPlugin")
-QT_END_NAMESPACE
-
-#endif
diff --git a/examples/statemachine/tankgame/rocketitem.cpp b/examples/statemachine/tankgame/rocketitem.cpp
deleted file mode 100644
index d286e5d..0000000
--- a/examples/statemachine/tankgame/rocketitem.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "rocketitem.h"
-#include "tankitem.h"
-
-#include <QPainter>
-#include <QGraphicsScene>
-
-#include <math.h>
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-RocketItem::RocketItem(QObject *parent)
-    : GameItem(parent), m_direction(0.0), m_distance(300.0)
-{
-}
-
-QRectF RocketItem::boundingRect() const
-{
-    return QRectF(-1.0, -1.0, 2.0, 2.0);
-}
-
-void RocketItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
-{
-    painter->setBrush(Qt::black);
-    painter->drawEllipse(boundingRect());
-}
-
-void RocketItem::idle(qreal elapsed)
-{
-    qreal dist = elapsed * speed();
-
-    m_distance -= dist;
-    if (m_distance < 0.0) {
-        scene()->removeItem(this);
-        delete this;
-        return;
-    }
-
-    qreal a = m_direction * M_PI / 180.0;
-
-    qreal yd = dist * sin(a);
-    qreal xd = dist * sin(M_PI / 2.0 - a);
-
-    QPointF requestedPosition = pos() + QPointF(xd, yd);
-    QGraphicsItem *collidedItem = 0;
-    QPointF nextPosition = tryMove(requestedPosition, 0, &collidedItem);
-    if (requestedPosition == nextPosition) {
-        setPos(nextPosition);
-    } else {
-        if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(collidedItem)) {
-            TankItem *tankItem = qobject_cast<TankItem *>(gameItem);
-            if (tankItem != 0)
-                tankItem->hitByRocket();
-        }
-
-        scene()->removeItem(this);
-        delete this;
-    }
-}
diff --git a/examples/statemachine/tankgame/rocketitem.h b/examples/statemachine/tankgame/rocketitem.h
deleted file mode 100644
index a485d03..0000000
--- a/examples/statemachine/tankgame/rocketitem.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/****************************************************************************
-**
-** 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 ROCKETITEM_H
-#define ROCKETITEM_H
-
-#include "gameitem.h"
-
-class RocketItem: public GameItem
-{
-    Q_OBJECT
-public:
-    RocketItem(QObject *parent = 0);
-
-    virtual void idle(qreal elapsed);
-    qreal speed() const { return 100.0; }
-    void setDirection(qreal direction) { m_direction = direction; }
-
-protected:
-    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
-    QRectF boundingRect() const;
-
-private:
-    qreal m_direction;
-    qreal m_distance;
-};
-
-#endif
diff --git a/examples/statemachine/tankgame/tankgame.pro b/examples/statemachine/tankgame/tankgame.pro
deleted file mode 100644
index 59415be..0000000
--- a/examples/statemachine/tankgame/tankgame.pro
+++ /dev/null
@@ -1,19 +0,0 @@
-HEADERS += mainwindow.h \
-           plugin.h \
-           tankitem.h \
-           rocketitem.h \
-           gameitem.h \
-           gameovertransition.h
-SOURCES += main.cpp \
-           mainwindow.cpp \
-           tankitem.cpp \
-           rocketitem.cpp \
-           gameitem.cpp \
-           gameovertransition.cpp
-CONFIG += console
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS tankgame.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame
-INSTALLS += target sources
diff --git a/examples/statemachine/tankgame/tankitem.cpp b/examples/statemachine/tankgame/tankitem.cpp
deleted file mode 100644
index 192b272..0000000
--- a/examples/statemachine/tankgame/tankitem.cpp
+++ /dev/null
@@ -1,302 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "tankitem.h"
-
-#include <QPainter>
-#include <QGraphicsScene>
-#include <QDebug>
-
-#include <math.h>
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-class Action
-{
-public:
-    Action(TankItem *item) : m_item(item)
-    {
-    }
-
-    TankItem *item() const { return m_item; }
-    void setItem(TankItem *item) { m_item = item; }
-
-    virtual bool apply(qreal timeDelta) = 0;
-
-private:
-    TankItem *m_item;
-};
-
-class MoveAction: public Action
-{
-public:
-    MoveAction(TankItem *item, qreal distance)
-        : Action(item), m_distance(distance)
-    {
-        m_reverse = m_distance < 0.0;
-    }
-
-    bool apply(qreal timeDelta)
-    {
-        qreal dist = timeDelta * item()->speed() * (m_reverse ? -1.0 : 1.0);
-
-        bool done = false;
-        if (qAbs(m_distance) < qAbs(dist)) {
-            done = true;
-            dist = m_distance;
-        }
-        m_distance -= dist;
-
-        qreal a = item()->direction() * M_PI / 180.0;
-
-        qreal yd = dist * sin(a);
-        qreal xd = dist * sin(M_PI / 2.0 - a);
-
-        item()->setPos(item()->pos() + QPointF(xd, yd));
-        return !done;
-    }
-
-private:
-    qreal m_distance;
-    bool m_reverse;
-};
-
-class TurnAction: public Action
-{
-public:
-    TurnAction(TankItem *item, qreal distance)
-        : Action(item), m_distance(distance)
-    {
-        m_reverse = m_distance < 0.0;
-    }
-
-    bool apply(qreal timeDelta)
-    {
-        qreal dist = timeDelta * item()->angularSpeed() * (m_reverse ? -1.0 : 1.0);
-        bool done = false;
-        if (qAbs(m_distance) < qAbs(dist)) {
-            done = true;
-            dist = m_distance;
-        }
-        m_distance -= dist;
-
-        item()->setDirection(item()->direction() + dist);
-        return !done;
-    }
-
-private:
-    qreal m_distance;
-    bool m_reverse;
-};
-
-TankItem::TankItem(QObject *parent)
-    : GameItem(parent), m_currentAction(0), m_currentDirection(0.0), m_enabled(true)
-{
-    connect(this, SIGNAL(cannonFired()), this, SIGNAL(actionCompleted()));
-}
-
-void TankItem::idle(qreal elapsed)
-{
-    if (m_enabled) {
-        if (m_currentAction != 0) {
-            if (!m_currentAction->apply(elapsed)) {
-                setAction(0);
-                emit actionCompleted();
-            }
-
-            QGraphicsItem *item = 0;
-            qreal distance = distanceToObstacle(&item);
-            if (TankItem *tankItem = qgraphicsitem_cast<TankItem *>(item))
-                emit tankSpotted(tankItem->direction(), distance);
-        }
-    }
-}
-
-void TankItem::hitByRocket()
-{
-    emit aboutToBeDestroyed();
-    deleteLater();
-}
-
-void TankItem::setAction(Action *newAction)
-{
-    if (m_currentAction != 0)
-        delete m_currentAction;
-
-    m_currentAction = newAction;
-}
-
-void TankItem::fireCannon()
-{
-    emit cannonFired();
-}
-
-void TankItem::moveForwards(qreal length)
-{
-    setAction(new MoveAction(this, length));
-}
-
-void TankItem::moveBackwards(qreal length)
-{
-    setAction(new MoveAction(this, -length));
-}
-
-void TankItem::turn(qreal degrees)
-{
-    setAction(new TurnAction(this, degrees));
-}
-
-void TankItem::turnTo(qreal degrees)
-{
-    setAction(new TurnAction(this, degrees - direction()));
-}
-
-void TankItem::stop()
-{
-    setAction(0);
-}
-
-QVariant TankItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
-{
-    if (change == ItemPositionChange && scene()) {
-        QPointF requestedPosition = value.toPointF();
-        QLineF collidedLine;
-        QPointF nextPoint = tryMove(requestedPosition, &collidedLine);
-        if (nextPoint != requestedPosition)
-            emit collision(collidedLine);
-        return nextPoint;
-    } else {
-        return QGraphicsItem::itemChange(change, value);
-    }
-}
-
-
-void TankItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
-{
-    QRectF brect = boundingRect();
-
-    painter->setBrush(m_color);
-    painter->setPen(Qt::black);
-
-    // body
-    painter->drawRect(brect.adjusted(0.0, 4.0, -2.0, -4.0));
-
-    // cannon
-    QRectF cannonBase = brect.adjusted(10.0, 6.0, -12.0, -6.0);
-    painter->drawEllipse(cannonBase);
-
-    painter->drawRect(QRectF(QPointF(cannonBase.center().x(), cannonBase.center().y() - 2.0),
-                             QPointF(brect.right(), cannonBase.center().y() + 2.0)));
-
-    // left track
-    painter->setBrush(QBrush(Qt::black, Qt::VerPattern));
-    QRectF leftTrackRect = QRectF(brect.topLeft(), QPointF(brect.right() - 2.0, brect.top() + 4.0));
-    painter->fillRect(leftTrackRect, Qt::darkYellow);
-    painter->drawRect(leftTrackRect);
-
-    // right track
-    QRectF rightTrackRect = QRectF(QPointF(brect.left(), brect.bottom() - 4.0),
-                                   QPointF(brect.right() - 2.0, brect.bottom()));
-    painter->fillRect(rightTrackRect, Qt::darkYellow);
-    painter->drawRect(rightTrackRect);
-
-    if (!m_enabled) {
-        painter->setPen(QPen(Qt::red, 5));
-
-        painter->drawEllipse(brect);
-
-        QPainterPath path;
-        path.addEllipse(brect);
-        painter->setClipPath(path);
-        painter->drawLine(brect.topRight(), brect.bottomLeft());
-    }
-}
-
-QRectF TankItem::boundingRect() const
-{
-    return QRectF(-20.0, -10.0, 40.0, 20.0);
-}
-
-qreal TankItem::direction() const
-{
-    return m_currentDirection;
-}
-
-void TankItem::setDirection(qreal newDirection)
-{
-    int fullRotations = int(newDirection) / 360;
-    newDirection -= fullRotations * 360.0;
-
-    qreal diff = newDirection - m_currentDirection;
-    m_currentDirection = newDirection;
-    rotate(diff);
-}
-
-qreal TankItem::distanceToObstacle(QGraphicsItem **obstacle) const
-{
-    qreal dist = sqrt(pow(scene()->sceneRect().width(), 2) + pow(scene()->sceneRect().height(), 2));
-
-    qreal a = m_currentDirection * M_PI / 180.0;
-
-    qreal yd = dist * sin(a);
-    qreal xd = dist * sin(M_PI / 2.0 - a);
-
-    QPointF requestedPosition = pos() + QPointF(xd, yd);
-    QGraphicsItem *collidedItem = 0;
-    QPointF nextPosition = tryMove(requestedPosition, 0, &collidedItem);
-    if (collidedItem != 0) {
-        if (obstacle != 0)
-            *obstacle = collidedItem;
-
-        QPointF d = nextPosition - pos();
-        return sqrt(pow(d.x(), 2) + pow(d.y(), 2));
-    } else {
-        return 0.0;
-    }
-}
-
-qreal TankItem::distanceToObstacle() const
-{
-    return distanceToObstacle(0);
-}
-
diff --git a/examples/statemachine/tankgame/tankitem.h b/examples/statemachine/tankgame/tankitem.h
deleted file mode 100644
index a2f72de..0000000
--- a/examples/statemachine/tankgame/tankitem.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/****************************************************************************
-**
-** 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 TANKITEM_H
-#define TANKITEM_H
-
-#include "gameitem.h"
-
-#include <QColor>
-
-class Action;
-class TankItem: public GameItem
-{
-    Q_OBJECT
-    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled)
-    Q_PROPERTY(qreal direction READ direction WRITE turnTo)
-    Q_PROPERTY(qreal distanceToObstacle READ distanceToObstacle)
-public:
-    TankItem(QObject *parent = 0);
-
-    void setColor(const QColor &color) { m_color = color; }
-    QColor color() const { return m_color; }
-
-    void idle(qreal elapsed);
-    void setDirection(qreal newDirection);
-
-    qreal speed() const { return 90.0; }
-    qreal angularSpeed() const { return 90.0; }
-
-    QRectF boundingRect() const;
-
-    void hitByRocket();
-
-    void setEnabled(bool b) { m_enabled = b; }
-    bool enabled() const { return m_enabled; }
-
-    qreal direction() const;
-    qreal distanceToObstacle() const;
-    qreal distanceToObstacle(QGraphicsItem **item) const;
-
-//! [0]
-signals:
-    void tankSpotted(qreal direction, qreal distance);
-    void collision(const QLineF &collidedLine);
-    void actionCompleted();
-    void cannonFired();
-    void aboutToBeDestroyed();
-
-public slots:
-    void moveForwards(qreal length = 10.0);
-    void moveBackwards(qreal length = 10.0);
-    void turn(qreal degrees = 30.0);
-    void turnTo(qreal degrees = 0.0);
-    void stop();
-    void fireCannon();
-//! [0]
-
-protected:
-    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
-    QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value);
-
-private:
-    void setAction(Action *newAction);
-
-    Action *m_currentAction;
-    qreal m_currentDirection;
-    QColor m_color;
-    bool m_enabled;
-};
-
-#endif
diff --git a/examples/statemachine/tankgameplugins/random_ai/random_ai.pro b/examples/statemachine/tankgameplugins/random_ai/random_ai.pro
deleted file mode 100644
index 5bc0b26..0000000
--- a/examples/statemachine/tankgameplugins/random_ai/random_ai.pro
+++ /dev/null
@@ -1,13 +0,0 @@
-TEMPLATE      = lib
-CONFIG       += plugin
-INCLUDEPATH  += ../..
-HEADERS       = random_ai_plugin.h
-SOURCES       = random_ai_plugin.cpp
-TARGET        = $$qtLibraryTarget(random_ai)
-DESTDIR       = ../../tankgame/plugins
-
-#! [0]
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame/plugins
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS random_ai.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins/random_ai
\ No newline at end of file
diff --git a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp b/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp
deleted file mode 100644
index ddfd1c5..0000000
--- a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/****************************************************************************
-**
-** 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.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "random_ai_plugin.h"
-
-#include <QState>
-#include <QTime>
-#include <QtPlugin>
-
-QState *RandomAiPlugin::create(QState *parentState, QObject *tank)
-{
-    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
-
-    QState *topLevel = new QState(parentState);
-
-    QState *selectNextActionState = new SelectActionState(topLevel);
-    topLevel->setInitialState(selectNextActionState);
-
-    QState *fireState = new RandomDistanceState(topLevel);
-    connect(fireState, SIGNAL(distanceComputed(qreal)), tank, SLOT(fireCannon()));
-    selectNextActionState->addTransition(selectNextActionState, SIGNAL(fireSelected()), fireState);
-
-    QState *moveForwardsState = new RandomDistanceState(topLevel);
-    connect(moveForwardsState, SIGNAL(distanceComputed(qreal)), tank, SLOT(moveForwards(qreal)));
-    selectNextActionState->addTransition(selectNextActionState, SIGNAL(moveForwardsSelected()), moveForwardsState);
-
-    QState *moveBackwardsState = new RandomDistanceState(topLevel);
-    connect(moveBackwardsState, SIGNAL(distanceComputed(qreal)), tank, SLOT(moveBackwards(qreal)));
-    selectNextActionState->addTransition(selectNextActionState, SIGNAL(moveBackwardsSelected()), moveBackwardsState);
-
-    QState *turnState = new RandomDistanceState(topLevel);
-    connect(turnState, SIGNAL(distanceComputed(qreal)), tank, SLOT(turn(qreal)));
-    selectNextActionState->addTransition(selectNextActionState, SIGNAL(turnSelected()), turnState);
-
-    topLevel->addTransition(tank, SIGNAL(actionCompleted()), selectNextActionState);
-
-    return topLevel;
-}
-
-Q_EXPORT_PLUGIN2(random_ai, RandomAiPlugin)
diff --git a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.h b/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.h
deleted file mode 100644
index 4c3fc0f..0000000
--- a/examples/statemachine/tankgameplugins/random_ai/random_ai_plugin.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/****************************************************************************
-**
-** 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 RANDOM_AI_PLUGIN_H
-#define RANDOM_AI_PLUGIN_H
-
-#include <QObject>
-#include <QState>
-
-#include <tankgame/plugin.h>
-
-class SelectActionState: public QState
-{
-    Q_OBJECT
-public:
-    SelectActionState(QState *parent = 0) : QState(parent)
-    {
-    }
-
-signals:
-    void fireSelected();
-    void moveForwardsSelected();
-    void moveBackwardsSelected();
-    void turnSelected();
-
-protected:
-    void onEntry(QEvent *)
-    {
-        int rand = qrand() % 4;
-        switch (rand) {
-        case 0: emit fireSelected(); break;
-        case 1: emit moveForwardsSelected(); break;
-        case 2: emit moveBackwardsSelected(); break;
-        case 3: emit turnSelected(); break;
-        };
-    }
-};
-
-class RandomDistanceState: public QState
-{
-    Q_OBJECT
-public:
-    RandomDistanceState(QState *parent = 0) : QState(parent)
-    {
-    }
-
-signals:
-    void distanceComputed(qreal distance);
-
-protected:
-    void onEntry(QEvent *)
-    {
-        emit distanceComputed(qreal(qrand() % 180));
-    }
-};
-
-class RandomAiPlugin: public QObject, public Plugin
-{
-    Q_OBJECT
-    Q_INTERFACES(Plugin)
-public:
-    RandomAiPlugin() { setObjectName("Random"); }
-
-    virtual QState *create(QState *parentState, QObject *tank);
-};
-
-#endif // RANDOM_AI_PLUGIN_H
diff --git a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.cpp b/examples/statemachine/tankgameplugins/seek_ai/seek_ai.cpp
deleted file mode 100644
index 79d7d0c..0000000
--- a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-/****************************************************************************
-**
-** 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.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "seek_ai.h"
-
-QState *SeekAi::create(QState *parentState, QObject *tank)
-{
-    QState *topLevel = new QState(parentState);
-    topLevel->setObjectName("topLevel");
-
-    QState *seek = new QState(topLevel);
-    seek->setObjectName("seek");
-    topLevel->setInitialState(seek);
-
-    QState *lookForNearestWall = new SearchState(tank, seek);
-    lookForNearestWall->setObjectName("lookForNearestWall");
-    seek->setInitialState(lookForNearestWall);
-
-    QState *driveToFirstObstacle = new QState(seek);
-    driveToFirstObstacle->setObjectName("driveToFirstObstacle");
-    lookForNearestWall->addTransition(lookForNearestWall, SIGNAL(nearestObstacleStraightAhead()),
-        driveToFirstObstacle);
-
-    QState *drive = new QState(driveToFirstObstacle);
-    drive->setObjectName("drive");
-    driveToFirstObstacle->setInitialState(drive);
-    connect(drive, SIGNAL(entered()), tank, SLOT(moveForwards()));
-    connect(drive, SIGNAL(exited()), tank, SLOT(stop()));
-
-    // Go in loop
-    QState *finishedDriving = new QState(driveToFirstObstacle);
-    finishedDriving->setObjectName("finishedDriving");
-    drive->addTransition(tank, SIGNAL(actionCompleted()), finishedDriving);
-    finishedDriving->addTransition(drive);
-
-    QState *turnTo = new QState(seek);
-    turnTo->setObjectName("turnTo");
-    driveToFirstObstacle->addTransition(new CollisionTransition(tank, turnTo));
-
-    turnTo->addTransition(tank, SIGNAL(actionCompleted()), driveToFirstObstacle);
-
-    ChaseState *chase = new ChaseState(tank, topLevel);
-    chase->setObjectName("chase");
-    seek->addTransition(new TankSpottedTransition(tank, chase));
-    chase->addTransition(chase, SIGNAL(finished()), driveToFirstObstacle);
-    chase->addTransition(new TankSpottedTransition(tank, chase));
-
-    return topLevel;
-}
-
-Q_EXPORT_PLUGIN2(seek_ai, SeekAi)
diff --git a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.h b/examples/statemachine/tankgameplugins/seek_ai/seek_ai.h
deleted file mode 100644
index 1bc5b26..0000000
--- a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.h
+++ /dev/null
@@ -1,249 +0,0 @@
-/****************************************************************************
-**
-** 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 SEEK_AI_H
-#define SEEK_AI_H
-
-#include <tankgame/plugin.h>
-
-#include <QState>
-#include <QFinalState>
-#include <QSignalTransition>
-#include <QSignalEvent>
-#include <QVariant>
-#include <QLineF>
-#include <QDebug>
-
-class SearchState: public QState
-{
-    Q_OBJECT
-public:
-    SearchState(QObject *tank, QState *parentState = 0)
-        : QState(parentState),
-          m_tank(tank),
-          m_distanceToTurn(360.0),
-          m_nearestDistance(-1.0),
-          m_directionOfNearestObstacle(0.0)
-    {
-    }
-
-public slots:
-    void turnAlittle()
-    {
-        qreal dist = m_tank->property("distanceToObstacle").toDouble();
-
-        if (m_nearestDistance < 0.0 || dist < m_nearestDistance) {
-            m_nearestDistance = dist;
-            m_directionOfNearestObstacle = m_tank->property("direction").toDouble();
-        }
-
-        m_distanceToTurn -= 10.0;
-        if (m_distanceToTurn < 0.0) {
-            disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
-            connect(m_tank, SIGNAL(actionCompleted()), this, SIGNAL(nearestObstacleStraightAhead()));
-            m_tank->setProperty("direction", m_directionOfNearestObstacle);
-        }
-
-        qreal currentDirection = m_tank->property("direction").toDouble();
-        m_tank->setProperty("direction", currentDirection + 10.0);
-    }
-
-signals:
-    void nearestObstacleStraightAhead();
-
-protected:
-    void onEntry(QEvent *)
-    {
-        connect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
-        turnAlittle();
-    }
-
-    void onExit(QEvent *)
-    {
-        disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
-        disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(nearestObstacleStraightAhead()));
-    }
-
-private:
-    QObject *m_tank;
-
-    qreal m_distanceToTurn;
-    qreal m_nearestDistance;
-    qreal m_directionOfNearestObstacle;
-};
-
-class CollisionTransition: public QSignalTransition
-{
-public:
-    CollisionTransition(QObject *tank, QState *turnTo)
-        : QSignalTransition(tank, SIGNAL(collision(QLineF))),
-          m_tank(tank),
-          m_turnTo(turnTo)
-    {
-        setTargetState(turnTo);
-    }
-
-protected:
-    bool eventTest(QEvent *event)
-    {
-        bool b = QSignalTransition::eventTest(event);
-        if (b) {
-            QSignalEvent *se = static_cast<QSignalEvent *>(event);
-            m_lastLine = se->arguments().at(0).toLineF();
-        }
-        return b;
-    }
-
-    void onTransition(QEvent *)
-    {
-        qreal angleOfWall = m_lastLine.angle();
-
-        qreal newDirection;
-        if (qrand() % 2 == 0)
-            newDirection = angleOfWall;
-        else
-            newDirection = angleOfWall - 180.0;
-
-        m_turnTo->assignProperty(m_tank, "direction", newDirection);
-    }
-
-private:
-    QLineF m_lastLine;
-    QObject *m_tank;
-    QState *m_turnTo;
-};
-
-class ChaseState: public QState
-{
-    class GoToLocationState: public QState
-    {
-    public:
-        GoToLocationState(QObject *tank, QState *parentState = 0)
-            : QState(parentState), m_tank(tank), m_distance(0.0)
-        {
-        }
-
-        void setDistance(qreal distance) { m_distance = distance; }
-
-    protected:
-        void onEntry()
-        {
-            QMetaObject::invokeMethod(m_tank, "moveForwards", Q_ARG(qreal, m_distance));
-        }
-
-    private:
-        QObject *m_tank;
-        qreal m_distance;
-    };
-
-public:
-    ChaseState(QObject *tank, QState *parentState = 0) : QState(parentState), m_tank(tank)
-    {
-        QState *fireCannon = new QState(this);
-        fireCannon->setObjectName("fireCannon");
-        connect(fireCannon, SIGNAL(entered()), tank, SLOT(fireCannon()));
-        setInitialState(fireCannon);
-
-        m_goToLocation = new GoToLocationState(tank, this);
-        m_goToLocation->setObjectName("goToLocation");
-        fireCannon->addTransition(tank, SIGNAL(actionCompleted()), m_goToLocation);
-
-        m_turnToDirection = new QState(this);
-        m_turnToDirection->setObjectName("turnToDirection");
-        m_goToLocation->addTransition(tank, SIGNAL(actionCompleted()), m_turnToDirection);
-
-        QFinalState *finalState = new QFinalState(this);
-        finalState->setObjectName("finalState");
-        m_turnToDirection->addTransition(tank, SIGNAL(actionCompleted()), finalState);
-    }
-
-    void setDirection(qreal direction)
-    {
-        m_turnToDirection->assignProperty(m_tank, "direction", direction);
-    }
-
-    void setDistance(qreal distance)
-    {
-        m_goToLocation->setDistance(distance);
-    }
-
-private:
-    QObject *m_tank;
-    GoToLocationState *m_goToLocation;
-    QState *m_turnToDirection;
-
-};
-
-class TankSpottedTransition: public QSignalTransition
-{
-public:
-    TankSpottedTransition(QObject *tank, ChaseState *target) : QSignalTransition(tank, SIGNAL(tankSpotted(qreal,qreal))), m_chase(target)
-    {
-        setTargetState(target);
-    }
-
-protected:
-    bool eventTest(QEvent *event)
-    {
-        bool b = QSignalTransition::eventTest(event);
-        if (b) {
-            QSignalEvent *se = static_cast<QSignalEvent *>(event);
-            m_chase->setDirection(se->arguments().at(0).toDouble());
-            m_chase->setDistance(se->arguments().at(1).toDouble());
-        }
-        return b;
-    }
-
-private:
-    ChaseState *m_chase;
-};
-
-class SeekAi: public QObject, public Plugin
-{
-    Q_OBJECT
-    Q_INTERFACES(Plugin)
-public:
-    SeekAi() { setObjectName("Seek and destroy"); }
-
-    virtual QState *create(QState *parentState, QObject *tank);
-};
-
-#endif
diff --git a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.pro b/examples/statemachine/tankgameplugins/seek_ai/seek_ai.pro
deleted file mode 100644
index 0d8bf2e..0000000
--- a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.pro
+++ /dev/null
@@ -1,13 +0,0 @@
-TEMPLATE      = lib
-CONFIG       += plugin
-INCLUDEPATH  += ../..
-HEADERS       = seek_ai.h
-SOURCES       = seek_ai.cpp
-TARGET        = $$qtLibraryTarget(seek_ai)
-DESTDIR       = ../../tankgame/plugins
-
-#! [0]
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame/plugins
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS seek_ai.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins/seek_ai
\ No newline at end of file
diff --git a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.cpp b/examples/statemachine/tankgameplugins/spin_ai/spin_ai.cpp
deleted file mode 100644
index 4e71285..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/****************************************************************************
-**
-** 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$
-**
-****************************************************************************/
-
-#include "spin_ai.h"
-
-#include <QtPlugin>
-
-QState *SpinAi::create(QState *parentState, QObject *tank)
-{
-    QState *topLevel = new QState(parentState);
-    QState *spinState = new SpinState(tank, topLevel);
-    topLevel->setInitialState(spinState);
-
-    // When tank is spotted, fire two times and go back to spin state
-    QState *fireState = new QState(topLevel);
-
-    QState *fireOnce = new QState(fireState);
-    fireState->setInitialState(fireOnce);
-    connect(fireOnce, SIGNAL(entered()), tank, SLOT(fireCannon()));
-
-    QState *fireTwice = new QState(fireState);
-    connect(fireTwice, SIGNAL(entered()), tank, SLOT(fireCannon()));
-
-    fireOnce->addTransition(tank, SIGNAL(actionCompleted()), fireTwice);
-    fireTwice->addTransition(tank, SIGNAL(actionCompleted()), spinState);
-
-    spinState->addTransition(tank, SIGNAL(tankSpotted(qreal,qreal)), fireState);
-
-    return topLevel;
-}
-
-Q_EXPORT_PLUGIN2(spin_ai, SpinAi)
diff --git a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.h b/examples/statemachine/tankgameplugins/spin_ai/spin_ai.h
deleted file mode 100644
index a97024d..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/****************************************************************************
-**
-** 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 SPIN_AI_H
-#define SPIN_AI_H
-
-#include <tankgame/plugin.h>
-
-#include <QObject>
-#include <QState>
-#include <QVariant>
-
-class SpinState: public QState
-{
-    Q_OBJECT
-public:
-    SpinState(QObject *tank, QState *parent) : QState(parent), m_tank(tank)
-    {
-    }
-
-public slots:
-    void spin()
-    {
-        m_tank->setProperty("direction", m_tank->property("direction").toDouble() + 90.0);
-    }
-
-protected:
-    void onEntry(QEvent *)
-    {
-        connect(m_tank, SIGNAL(actionCompleted()), this, SLOT(spin()));
-        spin();
-    }
-
-    void onExit(QEvent *)
-    {
-        disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(spin()));
-    }
-
-private:
-    QObject *m_tank;
-
-};
-
-class SpinAi: public QObject, public Plugin
-{
-    Q_OBJECT
-    Q_INTERFACES(Plugin)
-public:
-    SpinAi() { setObjectName("Spin and destroy"); }
-
-    virtual QState *create(QState *parentState, QObject *tank);
-};
-
-#endif
diff --git a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.pro b/examples/statemachine/tankgameplugins/spin_ai/spin_ai.pro
deleted file mode 100644
index 8ab4da0..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai/spin_ai.pro
+++ /dev/null
@@ -1,13 +0,0 @@
-TEMPLATE      = lib
-CONFIG       += plugin
-INCLUDEPATH  += ../..
-HEADERS       = spin_ai.h
-SOURCES       = spin_ai.cpp
-TARGET        = $$qtLibraryTarget(spin_ai)
-DESTDIR       = ../../tankgame/plugins
-
-#! [0]
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame/plugins
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS spin_ai.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins/spin_ai
\ No newline at end of file
diff --git a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.cpp b/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.cpp
deleted file mode 100644
index 12a9656..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/****************************************************************************
-**
-** 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.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "spin_ai_with_error.h"
-
-#include <QtPlugin>
-
-QState *SpinAiWithError::create(QState *parentState, QObject *tank)
-{
-    QState *topLevel = new QState(parentState);
-    QState *spinState = new SpinState(tank, topLevel);
-    topLevel->setInitialState(spinState);
-
-    // When tank is spotted, fire two times and go back to spin state
-    // (no initial state set for fireState will lead to run-time error in machine)
-    QState *fireState = new QState(topLevel);
-
-    QState *fireOnce = new QState(fireState);
-    connect(fireOnce, SIGNAL(entered()), tank, SLOT(fireCannon()));
-
-    QState *fireTwice = new QState(fireState);
-    connect(fireTwice, SIGNAL(entered()), tank, SLOT(fireCannon()));
-
-    fireOnce->addTransition(tank, SIGNAL(actionCompleted()), fireTwice);
-    fireTwice->addTransition(tank, SIGNAL(actionCompleted()), spinState);
-
-    spinState->addTransition(tank, SIGNAL(tankSpotted(qreal,qreal)), fireState);
-
-    return topLevel;
-}
-
-Q_EXPORT_PLUGIN2(spin_ai_with_error, SpinAiWithError)
diff --git a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.h b/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.h
deleted file mode 100644
index f35da26..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/****************************************************************************
-**
-** 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 SPIN_AI_WITH_ERROR_H
-#define SPIN_AI_WITH_ERROR_H
-
-#include <tankgame/plugin.h>
-
-#include <QObject>
-#include <QState>
-#include <QVariant>
-
-class SpinState: public QState
-{
-    Q_OBJECT
-public:
-    SpinState(QObject *tank, QState *parent) : QState(parent), m_tank(tank)
-    {
-    }
-
-public slots:
-    void spin()
-    {
-        m_tank->setProperty("direction", m_tank->property("direction").toDouble() + 90.0);
-    }
-
-protected:
-    void onEntry(QEvent *)
-    {
-        connect(m_tank, SIGNAL(actionCompleted()), this, SLOT(spin()));
-        spin();
-    }
-
-    void onExit(QEvent *)
-    {
-        disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(spin()));
-    }
-
-private:
-    QObject *m_tank;
-
-};
-
-class SpinAiWithError: public QObject, public Plugin
-{
-    Q_OBJECT
-    Q_INTERFACES(Plugin)
-public:
-    SpinAiWithError() { setObjectName("Spin and destroy with runtime error in state machine"); }
-
-    virtual QState *create(QState *parentState, QObject *tank);
-};
-
-#endif
diff --git a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.pro b/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.pro
deleted file mode 100644
index 124cf98..0000000
--- a/examples/statemachine/tankgameplugins/spin_ai_with_error/spin_ai_with_error.pro
+++ /dev/null
@@ -1,13 +0,0 @@
-TEMPLATE      = lib
-CONFIG       += plugin
-INCLUDEPATH  += ../..
-HEADERS       = spin_ai_with_error.h
-SOURCES       = spin_ai_with_error.cpp
-TARGET        = $$qtLibraryTarget(spin_ai_with_error)
-DESTDIR       = ../../tankgame/plugins
-
-#! [0]
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame/plugins
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS spin_ai_with_error.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins/spin_ai_with_error
\ No newline at end of file
diff --git a/examples/statemachine/tankgameplugins/tankgameplugins.pro b/examples/statemachine/tankgameplugins/tankgameplugins.pro
deleted file mode 100644
index a098e03..0000000
--- a/examples/statemachine/tankgameplugins/tankgameplugins.pro
+++ /dev/null
@@ -1,11 +0,0 @@
-TEMPLATE      = subdirs
-SUBDIRS       = random_ai \
-                spin_ai_with_error \
-                spin_ai \
-                seek_ai 
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins
-sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS tankgameplugins.pro
-sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgameplugins
-INSTALLS += target sources