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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QSTATE_H
-#define QSTATE_H
-
-#include <QtCore/qabstractstate.h>
-#include <QtCore/qlist.h>
-#include <QtCore/qmetaobject.h>
-
-QT_REQUIRE_CONFIG(statemachine);
-
-QT_BEGIN_NAMESPACE
-
-class QAbstractTransition;
-class QSignalTransition;
-
-class QStatePrivate;
-class Q_CORE_EXPORT QState : public QAbstractState
-{
- Q_OBJECT
- Q_PROPERTY(QAbstractState* initialState READ initialState WRITE setInitialState NOTIFY initialStateChanged)
- Q_PROPERTY(QAbstractState* errorState READ errorState WRITE setErrorState NOTIFY errorStateChanged)
- Q_PROPERTY(ChildMode childMode READ childMode WRITE setChildMode NOTIFY childModeChanged)
-public:
- enum ChildMode {
- ExclusiveStates,
- ParallelStates
- };
- Q_ENUM(ChildMode)
-
- enum RestorePolicy {
- DontRestoreProperties,
- RestoreProperties
- };
- Q_ENUM(RestorePolicy)
-
- QState(QState *parent = nullptr);
- QState(ChildMode childMode, QState *parent = nullptr);
- ~QState();
-
- QAbstractState *errorState() const;
- void setErrorState(QAbstractState *state);
-
- void addTransition(QAbstractTransition *transition);
- QSignalTransition *addTransition(const QObject *sender, const char *signal, QAbstractState *target);
-#ifdef Q_QDOC
- template<typename PointerToMemberFunction>
- QSignalTransition *addTransition(const QObject *sender, PointerToMemberFunction signal,
- QAbstractState *target);
-#else
- template <typename Func>
- QSignalTransition *addTransition(const typename QtPrivate::FunctionPointer<Func>::Object *obj,
- Func signal, QAbstractState *target)
- {
- const QMetaMethod signalMetaMethod = QMetaMethod::fromSignal(signal);
- return addTransition(obj, signalMetaMethod.methodSignature().constData(), target);
- }
-#endif // Q_QDOC
- QAbstractTransition *addTransition(QAbstractState *target);
- void removeTransition(QAbstractTransition *transition);
- QList<QAbstractTransition*> transitions() const;
-
- QAbstractState *initialState() const;
- void setInitialState(QAbstractState *state);
-
- ChildMode childMode() const;
- void setChildMode(ChildMode mode);
-
-#ifndef QT_NO_PROPERTIES
- void assignProperty(QObject *object, const char *name,
- const QVariant &value);
-#endif
-
-Q_SIGNALS:
- void finished(QPrivateSignal);
- void propertiesAssigned(QPrivateSignal);
- void childModeChanged(QPrivateSignal);
- void initialStateChanged(QPrivateSignal);
- void errorStateChanged(QPrivateSignal);
-
-protected:
- void onEntry(QEvent *event) override;
- void onExit(QEvent *event) override;
-
- bool event(QEvent *e) override;
-
-protected:
- QState(QStatePrivate &dd, QState *parent);
-
-private:
- Q_DISABLE_COPY(QState)
- Q_DECLARE_PRIVATE(QState)
-};
-
-QT_END_NAMESPACE
-
-#endif