qquickstategroup_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QQUICKSTATEGROUP_H
#define QQUICKSTATEGROUP_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 "qquickstate_p.h"
 
QT_BEGIN_NAMESPACE
 
class QQuickStateGroupPrivate;
class Q_QUICK_EXPORT QQuickStateGroup : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
    Q_DECLARE_PRIVATE(QQuickStateGroup)
 
    Q_PROPERTY(QString state READ state WRITE setState NOTIFY stateChanged)
    Q_PROPERTY(QQmlListProperty<QQuickState> states READ statesProperty DESIGNABLE false)
    Q_PROPERTY(QQmlListProperty<QQuickTransition> transitions READ transitionsProperty DESIGNABLE false)
    QML_NAMED_ELEMENT(StateGroup)
    QML_ADDED_IN_VERSION(2, 0)
 
public:
    QQuickStateGroup(QObject * = nullptr);
    virtual ~QQuickStateGroup();
 
    QString state() const;
    void setState(const QString &);
 
    QQmlListProperty<QQuickState> statesProperty();
    QList<QQuickState *> states() const;
 
    QQmlListProperty<QQuickTransition> transitionsProperty();
 
    QQuickState *findState(const QString &name) const;
    void removeState(QQuickState *state);
 
    void classBegin() override;
    void componentComplete() override;
Q_SIGNALS:
    void stateChanged(const QString &);
 
private:
    friend class QQuickState;
    friend class QQuickStatePrivate;
    bool updateAutoState();
    void stateAboutToComplete();
};
 
QT_END_NAMESPACE
 
#endif // QQUICKSTATEGROUP_H