/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QGRAPHICSPROXYWIDGET_P_H

#define QGRAPHICSPROXYWIDGET_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qgraphicsproxywidget.h"

#include "private/qgraphicswidget_p.h"

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

QT_BEGIN_NAMESPACE

class QGraphicsProxyWidgetPrivate : public QGraphicsWidgetPrivate

{

    Q_DECLARE_PUBLIC(QGraphicsProxyWidget)

public:

    QGraphicsProxyWidgetPrivate()

        : dragDropWidget(0),

          posChangeMode(NoMode),

          sizeChangeMode(NoMode),

          visibleChangeMode(NoMode),

          enabledChangeMode(NoMode),

          styleChangeMode(NoMode),

          paletteChangeMode(NoMode),

          focusFromWidgetToProxy(0)

    { }

    void init();

    void sendWidgetMouseEvent(QGraphicsSceneMouseEvent *event);

    void sendWidgetMouseEvent(QGraphicsSceneHoverEvent *event);

    void sendWidgetKeyEvent(QKeyEvent *event);

    void setWidget_helper(QWidget *widget, bool autoShow);

    QWidget *findFocusChild(QWidget *child, bool next) const;

    void removeSubFocusHelper(QWidget *widget, Qt::FocusReason reason);

    // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4.

    QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const;

    void _q_removeWidgetSlot();

    void embedSubWindow(QWidget *);

    void unembedSubWindow(QWidget *);

    bool isProxyWidget() const;

    QPointer<QWidget> widget;

    QPointer<QWidget> lastWidgetUnderMouse;

    QPointer<QWidget> embeddedMouseGrabber;

    QWidget *dragDropWidget;

    Qt::DropAction lastDropAction;

    void updateWidgetGeometryFromProxy();

    void updateProxyGeometryFromWidget();

    void updateProxyInputMethodAcceptanceFromWidget();

    QPointF mapToReceiver(const QPointF &pos, const QWidget *receiver) const;

    enum ChangeMode {

        NoMode,

        ProxyToWidgetMode,

        WidgetToProxyMode

    };

    quint32 posChangeMode : 2;

    quint32 sizeChangeMode : 2;

    quint32 visibleChangeMode : 2;

    quint32 enabledChangeMode : 2;

    quint32 styleChangeMode : 2;

    quint32 paletteChangeMode : 2;

    quint32 focusFromWidgetToProxy : 1;

    quint32 proxyIsGivingFocus : 1;

};

QT_END_NAMESPACE

#endif

#endif