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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_P_H
#define QSTATE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qstate.h"
#include "private/qabstractstate_p.h"
#include <QtCore/qlist.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qpointer.h>
#include <QtCore/qvariant.h>
QT_REQUIRE_CONFIG(statemachine);
QT_BEGIN_NAMESPACE
#ifndef QT_NO_PROPERTIES
struct QPropertyAssignment
{
QPropertyAssignment()
: object(nullptr), explicitlySet(true) {}
QPropertyAssignment(QObject *o, const QByteArray &n,
const QVariant &v, bool es = true)
: object(o), propertyName(n), value(v), explicitlySet(es)
{}
bool objectDeleted() const { return !object; }
void write() const { Q_ASSERT(object != nullptr); object->setProperty(propertyName, value); }
bool hasTarget(QObject *o, const QByteArray &pn) const
{ return object == o && propertyName == pn; }
QPointer<QObject> object;
QByteArray propertyName;
QVariant value;
bool explicitlySet; // false means the property is being restored to its old value
};
Q_DECLARE_TYPEINFO(QPropertyAssignment, Q_MOVABLE_TYPE);
#endif // QT_NO_PROPERTIES
class QAbstractTransition;
class QHistoryState;
class QState;
class Q_CORE_EXPORT QStatePrivate : public QAbstractStatePrivate
{
Q_DECLARE_PUBLIC(QState)
public:
QStatePrivate();
~QStatePrivate();
static QStatePrivate *get(QState *q) { return q ? q->d_func() : nullptr; }
static const QStatePrivate *get(const QState *q) { return q? q->d_func() : nullptr; }
QList<QAbstractState*> childStates() const;
QList<QHistoryState*> historyStates() const;
QList<QAbstractTransition*> transitions() const;
void emitFinished();
void emitPropertiesAssigned();
QAbstractState *errorState;
QAbstractState *initialState;
QState::ChildMode childMode;
mutable bool childStatesListNeedsRefresh;
mutable bool transitionsListNeedsRefresh;
mutable QList<QAbstractState*> childStatesList;
mutable QList<QAbstractTransition*> transitionsList;
#ifndef QT_NO_PROPERTIES
QList<QPropertyAssignment> propertyAssignments;
#endif
};
QT_END_NAMESPACE
#endif
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