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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKSTYLEATTACHED_P_H
#define QQUICKSTYLEATTACHED_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 <QtQml/qqml.h>
#include <QtCore/qlist.h>
#include <QtCore/qobject.h>
#include <QtCore/qpointer.h>
#include <QtCore/qsharedpointer.h>
#include <QtQuick/private/qquickitemchangelistener_p.h>
#include <QtQuickControls2/private/qtquickcontrols2global_p.h>
QT_BEGIN_NAMESPACE
class QSettings;
class QQuickWindow;
class Q_QUICKCONTROLS2_PRIVATE_EXPORT QQuickStyleAttached : public QObject, public QQuickItemChangeListener
{
Q_OBJECT
public:
explicit QQuickStyleAttached(QObject *parent = nullptr);
~QQuickStyleAttached();
static QSharedPointer<QSettings> settings(const QString &group = QString());
protected:
void init();
QList<QQuickStyleAttached *> childStyles() const;
QQuickStyleAttached *parentStyle() const;
void setParentStyle(QQuickStyleAttached *style);
virtual void parentStyleChange(QQuickStyleAttached *newParent, QQuickStyleAttached *oldParent);
void itemWindowChanged(QQuickWindow *window);
void itemParentChanged(QQuickItem *item, QQuickItem *parent) override;
private:
QList<QQuickStyleAttached *> m_childStyles;
QPointer<QQuickStyleAttached> m_parentStyle;
};
QT_END_NAMESPACE
#endif // QQUICKSTYLEATTACHED_P_H
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