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diff --git a/examples/statemachine/tankgame/mainwindow.cpp b/examples/statemachine/tankgame/mainwindow.cpp
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--- a/examples/statemachine/tankgame/mainwindow.cpp
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-/****************************************************************************
-**
-** 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]
- }
- }
-}
-
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