diff -r 000000000000 -r 1918ee327afb demos/sub-attaq/boat_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/sub-attaq/boat_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,232 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef BOAT_P_H
+#define BOAT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+//Own
+#include "bomb.h"
+#include "graphicsscene.h"
+
+// Qt
+#include <QtGui/QKeyEventTransition>
+
+static const int MAX_BOMB = 5;
+
+
+//These transtion test if we have to stop the boat (i.e current speed is 1)
+class KeyStopTransition : public QKeyEventTransition
+{
+public:
+    KeyStopTransition(Boat *b, QEvent::Type t, int k)
+    : QKeyEventTransition(b, t, k), boat(b), key(k)
+    {
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        return (boat->currentSpeed() == 1);
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//These transtion test if we have to move the boat (i.e current speed was 0 or another value)
+ class KeyMoveTransition : public QKeyEventTransition
+{
+public:
+    KeyMoveTransition(Boat *b, QEvent::Type t, int k)
+    : QKeyEventTransition(b, t, k), boat(b), key(k)
+    {
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        return (boat->currentSpeed() >= 0);
+    }
+    void onTransition(QEvent *)
+    {
+        //We decrease the speed if needed
+        if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right)
+            boat->setCurrentSpeed(boat->currentSpeed() - 1);
+        else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left)
+            boat->setCurrentSpeed(boat->currentSpeed() - 1);
+        else if (boat->currentSpeed() < 3)
+            boat->setCurrentSpeed(boat->currentSpeed() + 1);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//This transition trigger the bombs launch
+ class KeyLaunchTransition : public QKeyEventTransition
+{
+public:
+    KeyLaunchTransition(Boat *boat, QEvent::Type type, int key)
+    : QKeyEventTransition(boat, type, key), boat(boat), key(key)
+    {
+    }
+protected:
+    virtual bool eventTest(QEvent *event)
+    {
+        if (!QKeyEventTransition::eventTest(event))
+            return false;
+        //We have enough bomb?
+        return (boat->bombsLaunched() < MAX_BOMB);
+    }
+private:
+    Boat * boat;
+    int key;
+};
+
+//This state is describing when the boat is moving right
+class MoveStateRight : public QState
+{
+public:
+    MoveStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
+    {
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentDirection(Boat::Right);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+ //This state is describing when the boat is moving left
+class MoveStateLeft : public QState
+{
+public:
+    MoveStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
+    {
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentDirection(Boat::Left);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing when the boat is in a stand by position
+class StopState : public QState
+{
+public:
+    StopState(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
+    {
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        boat->setCurrentSpeed(0);
+        boat->setCurrentDirection(Boat::None);
+        boat->updateBoatMovement();
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing the launch of the torpedo on the right
+class LaunchStateRight : public QState
+{
+public:
+    LaunchStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
+    {
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        Bomb *b = new Bomb();
+        b->setPos(boat->x()+boat->size().width(),boat->y());
+        GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
+        scene->addItem(b);
+        b->launch(Bomb::Right);
+        boat->setBombsLaunched(boat->bombsLaunched() + 1);
+    }
+private:
+    Boat * boat;
+};
+
+//This state is describing the launch of the torpedo on the left
+class LaunchStateLeft : public QState
+{
+public:
+    LaunchStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
+    {
+    }
+protected:
+    void onEntry(QEvent *)
+    {
+        Bomb *b = new Bomb();
+        b->setPos(boat->x() - b->size().width(), boat->y());
+        GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
+        scene->addItem(b);
+        b->launch(Bomb::Left);
+        boat->setBombsLaunched(boat->bombsLaunched() + 1);
+    }
+private:
+    Boat * boat;
+};
+
+#endif // BOAT_P_H