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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
****************************************************************************/
#ifndef QHISTORYSTATE_H
#define QHISTORYSTATE_H
#include <QtCore/qabstractstate.h>
QT_REQUIRE_CONFIG(statemachine);
QT_BEGIN_NAMESPACE
class QAbstractTransition;
class QHistoryStatePrivate;
class Q_CORE_EXPORT QHistoryState : public QAbstractState
{
Q_OBJECT
Q_PROPERTY(QAbstractState* defaultState READ defaultState WRITE setDefaultState NOTIFY defaultStateChanged)
Q_PROPERTY(QAbstractTransition* defaultTransition READ defaultTransition WRITE setDefaultTransition NOTIFY defaultTransitionChanged)
Q_PROPERTY(HistoryType historyType READ historyType WRITE setHistoryType NOTIFY historyTypeChanged)
public:
enum HistoryType {
ShallowHistory,
DeepHistory
};
Q_ENUM(HistoryType)
QHistoryState(QState *parent = nullptr);
QHistoryState(HistoryType type, QState *parent = nullptr);
~QHistoryState();
QAbstractTransition *defaultTransition() const;
void setDefaultTransition(QAbstractTransition *transition);
QAbstractState *defaultState() const;
void setDefaultState(QAbstractState *state);
HistoryType historyType() const;
void setHistoryType(HistoryType type);
Q_SIGNALS:
void defaultTransitionChanged(QPrivateSignal);
void defaultStateChanged(QPrivateSignal);
void historyTypeChanged(QPrivateSignal);
protected:
void onEntry(QEvent *event) override;
void onExit(QEvent *event) override;
bool event(QEvent *e) override;
private:
Q_DISABLE_COPY(QHistoryState)
Q_DECLARE_PRIVATE(QHistoryState)
};
QT_END_NAMESPACE
#endif
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