1 files changed, 101 insertions, 0 deletions
diff --git a/examples/statemachine/clockticking/main.cpp b/examples/statemachine/clockticking/main.cpp
new file mode 100644
index 0000000..e903988
--- /dev/null
+++ b/examples/statemachine/clockticking/main.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore>
+#include <stdio.h>
+#ifdef QT_STATEMACHINE_SOLUTION
+#include <qstatemachine.h>
+#include <qstate.h>
+#include <qtransition.h>
+#endif
+
+class ClockEvent : public QEvent
+{
+public:
+    ClockEvent() : QEvent(QEvent::Type(QEvent::User+2))
+        {}
+};
+
+class ClockState : public QState
+{
+public:
+    ClockState(QStateMachine *machine, QState *parent)
+        : QState(parent), m_machine(machine) {}
+
+protected:
+    virtual void onEntry()
+    {
+        fprintf(stdout, "ClockState entered; posting the initial tick\n");
+        m_machine->postEvent(new ClockEvent());
+    }
+
+private:
+    QStateMachine *m_machine;
+};
+
+class ClockTransition : public QAbstractTransition
+{
+public:
+    ClockTransition(QStateMachine *machine)
+        : QAbstractTransition(), m_machine(machine) { }
+
+protected:
+    virtual bool eventTest(QEvent *e) const {
+        return (e->type() == QEvent::User+2);
+    }
+    virtual void onTransition()
+    {
+        fprintf(stdout, "ClockTransition triggered; posting another tick with a delay of 1 second\n");
+        m_machine->postEvent(new ClockEvent(), 1000);
+    }
+
+private:
+    QStateMachine *m_machine;
+};
+
+class ClockListener : public QAbstractTransition
+{
+public:
+    ClockListener()
+        : QAbstractTransition() {}
+
+protected:
+    virtual bool eventTest(QEvent *e) const {
+        return (e->type() == QEvent::User+2);
+    }
+    virtual void onTransition()
+    {
+        fprintf(stdout, "ClockListener heard a tick!\n");
+    }
+};
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+
+    QStateMachine machine;
+    QState *group = new QState(QState::ParallelGroup);
+    group->setObjectName("group");
+
+    ClockState *clock = new ClockState(&machine, group);
+    clock->setObjectName("clock");
+    clock->addTransition(new ClockTransition(&machine));
+
+    QState *listener = new QState(group);
+    listener->setObjectName("listener");
+    listener->addTransition(new ClockListener());
+
+    machine.addState(group);
+    machine.setInitialState(group);
+    machine.start();
+
+    return app.exec();
+}