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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 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 QQUICKSCENEPOSLISTENER_P_H
#define QQUICKSCENEPOSLISTENER_P_H
#include <QtCore/qobject.h>
#include <QtCore/qpoint.h>
#include <QtCore/qset.h>
#include <QtQuick/private/qquickitemchangelistener_p.h>
QT_BEGIN_NAMESPACE
class QQuickItem;
class QQuickScenePosListener1 : public QObject, public QQuickItemChangeListener
{
Q_OBJECT
Q_PROPERTY(QQuickItem *item READ item WRITE setItem FINAL)
Q_PROPERTY(QPointF scenePos READ scenePos NOTIFY scenePosChanged FINAL)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged FINAL)
Q_MOC_INCLUDE(<QtQuick/qquickitem.h>)
public:
explicit QQuickScenePosListener1(QObject *parent = 0);
~QQuickScenePosListener1();
QQuickItem *item() const;
void setItem(QQuickItem *item);
QPointF scenePos() const;
bool isEnabled() const;
void setEnabled(bool enabled);
Q_SIGNALS:
void scenePosChanged();
void enabledChanged();
protected:
void itemGeometryChanged(QQuickItem *, QQuickGeometryChange, const QRectF &) override;
void itemParentChanged(QQuickItem *, QQuickItem *parent) override;
void itemChildRemoved(QQuickItem *, QQuickItem *child) override;
void itemDestroyed(QQuickItem *item) override;
private:
void updateScenePos();
void removeAncestorListeners(QQuickItem *item);
void addAncestorListeners(QQuickItem *item);
bool isAncestor(QQuickItem *item) const;
bool m_enabled;
QPointF m_scenePos;
QQuickItem *m_item;
};
QT_END_NAMESPACE
#endif // QQUICKSCENEPOSLISTENER_P_H
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