1 files changed, 71 insertions, 0 deletions
diff --git a/doc/src/snippets/statemachine/main4.cpp b/doc/src/snippets/statemachine/main4.cpp
new file mode 100644
index 0000000..5681bbd
--- /dev/null
+++ b/doc/src/snippets/statemachine/main4.cpp
@@ -0,0 +1,71 @@
+
+#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"
+