mirror of https://github.com/qt/qtbase.git
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSTATE_P_H
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#define QSTATE_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qstate.h"
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#include "private/qabstractstate_p.h"
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#include <QtCore/qlist.h>
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#include <QtCore/qbytearray.h>
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#include <QtCore/qpointer.h>
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#include <QtCore/qvariant.h>
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QT_REQUIRE_CONFIG(statemachine);
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_PROPERTIES
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struct QPropertyAssignment
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{
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QPropertyAssignment()
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: object(nullptr), explicitlySet(true) {}
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QPropertyAssignment(QObject *o, const QByteArray &n,
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const QVariant &v, bool es = true)
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: object(o), propertyName(n), value(v), explicitlySet(es)
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{}
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bool objectDeleted() const { return !object; }
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void write() const { Q_ASSERT(object != nullptr); object->setProperty(propertyName, value); }
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bool hasTarget(QObject *o, const QByteArray &pn) const
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{ return object == o && propertyName == pn; }
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QPointer<QObject> object;
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QByteArray propertyName;
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QVariant value;
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bool explicitlySet; // false means the property is being restored to its old value
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};
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Q_DECLARE_TYPEINFO(QPropertyAssignment, Q_MOVABLE_TYPE);
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#endif // QT_NO_PROPERTIES
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class QAbstractTransition;
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class QHistoryState;
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class QState;
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class Q_CORE_EXPORT QStatePrivate : public QAbstractStatePrivate
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{
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Q_DECLARE_PUBLIC(QState)
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public:
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QStatePrivate();
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~QStatePrivate();
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static QStatePrivate *get(QState *q) { return q ? q->d_func() : nullptr; }
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static const QStatePrivate *get(const QState *q) { return q? q->d_func() : nullptr; }
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QList<QAbstractState*> childStates() const;
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QList<QHistoryState*> historyStates() const;
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QList<QAbstractTransition*> transitions() const;
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void emitFinished();
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void emitPropertiesAssigned();
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QAbstractState *errorState;
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QAbstractState *initialState;
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QState::ChildMode childMode;
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mutable bool childStatesListNeedsRefresh;
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mutable bool transitionsListNeedsRefresh;
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mutable QList<QAbstractState*> childStatesList;
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mutable QList<QAbstractTransition*> transitionsList;
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#ifndef QT_NO_PROPERTIES
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QList<QPropertyAssignment> propertyAssignments;
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#endif
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};
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QT_END_NAMESPACE
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#endif
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