1 files changed, 116 insertions, 0 deletions
diff --git a/src/corelib/statemachine/qstatemachine.h b/src/corelib/statemachine/qstatemachine.h
new file mode 100644
index 0000000..e3b09e0
--- /dev/null
+++ b/src/corelib/statemachine/qstatemachine.h
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** 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.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTATEMACHINE_H
+#define QSTATEMACHINE_H
+
+#ifndef QT_STATEMACHINE_SOLUTION
+#  include <QtCore/qactionstate.h>
+#else
+#  include "qactionstate.h"
+#endif
+
+#include <QtCore/qlist.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qset.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QEvent;
+class QAbstractState;
+class QState;
+
+class QStateMachinePrivate;
+class Q_CORE_EXPORT QStateMachine : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QState* rootState READ rootState)
+    Q_PROPERTY(QAbstractState* initialState READ initialState WRITE setInitialState)
+    Q_PROPERTY(QAbstractState* errorState READ errorState WRITE setErrorState)
+    Q_PROPERTY(QString errorString READ errorString)
+public:
+
+    enum Error {
+        NoError, 
+        NoInitialStateError,
+        NoDefaultStateInHistoryState,
+    };
+
+    QStateMachine(QObject *parent = 0);
+    ~QStateMachine();
+
+    void addState(QAbstractState *state);
+    void removeState(QAbstractState *state);
+
+    QState *rootState() const;
+
+    QAbstractState *initialState() const;
+    void setInitialState(QAbstractState *state);
+
+    QAbstractState *errorState() const;
+    void setErrorState(QAbstractState *state);
+
+    Error error() const;
+    QString errorString() const;
+    void clearError();
+
+    QActionState::RestorePolicy globalRestorePolicy() const;
+    void setGlobalRestorePolicy(QActionState::RestorePolicy restorePolicy);
+
+    void postEvent(QEvent *event, int delay = 0);
+
+    QList<QAbstractState*> states() const;
+    QSet<QAbstractState*> configuration() const;
+
+#ifndef QT_NO_STATEMACHINE_EVENTFILTER
+    bool eventFilter(QObject *watched, QEvent *event);
+#endif
+
+public Q_SLOTS:
+    void start();
+    void stop();
+
+Q_SIGNALS:
+    void started();
+    void stopped();
+    void finished();
+
+protected:
+    void postInternalEvent(QEvent *event);
+
+    virtual void beginSelectTransitions(QEvent *event);
+    virtual void endSelectTransitions(QEvent *event);
+
+    virtual void beginMicrostep(QEvent *event);
+    virtual void endMicrostep(QEvent *event);
+
+    bool event(QEvent *e);
+
+#ifdef QT_STATEMACHINE_SOLUTION
+     QStateMachinePrivate *d_ptr;
+#endif
+
+private:
+    Q_DISABLE_COPY(QStateMachine)
+    Q_DECLARE_PRIVATE(QStateMachine)
+    Q_PRIVATE_SLOT(d_func(), void _q_start())
+    Q_PRIVATE_SLOT(d_func(), void _q_process())
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif