diff -r 000000000000 -r 1918ee327afb doc/src/snippets/statemachine/main4.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/statemachine/main4.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** 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 documentation 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+
+//![0]
+struct StringEvent : public QEvent
+{
+    StringEvent(const QString &val)
+    : QEvent(QEvent::Type(QEvent::User+1)),
+      value(val) {}
+
+    QString value;
+};
+//![0]
+
+//![1]
+class StringTransition : public QAbstractTransition
+{
+public:
+    StringTransition(const QString &value)
+        : m_value(value) {}
+
+protected:
+    virtual bool eventTest(QEvent *e) const
+    {
+        if (e->type() != QEvent::Type(QEvent::User+1)) // StringEvent
+            return false;
+        StringEvent *se = static_cast<StringEvent*>(e);
+        return (m_value == se->value);
+    }
+    
+    virtual void onTransition(QEvent *) {}
+
+private:
+    QString m_value;
+};
+//![1]
+
+int main(int argv, char **args)
+{
+    QApplication app(argv, args);
+
+//![2]
+    QStateMachine machine;
+    QState *s1 = new QState();
+    QState *s2 = new QState();
+    QFinalState *done = new QFinalState();
+
+    StringTransition *t1 = new StringTransition("Hello");
+    t1->setTargetState(s2);
+    s1->addTransition(t1);
+    StringTransition *t2 = new StringTransition("world");
+    t2->setTargetState(done);
+    s2->addTransition(t2);
+
+    machine.addState(s1);
+    machine.addState(s2);
+    machine.addState(done);
+    machine.setInitialState(s1);
+//![2]
+
+//![3]
+    machine.postEvent(new StringEvent("Hello"));
+    machine.postEvent(new StringEvent("world"));
+//![3]
+
+    return app.exec();
+}
+
+#include "main4.moc"
+