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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QWSMANAGER_P_H
#define QWSMANAGER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "QtGui/qregion.h"
#include "QtGui/qdecoration_qws.h"

#ifndef QT_NO_QWS_MANAGER

#include "QtCore/qhash.h"

QT_BEGIN_NAMESPACE

class QWidget;
class QMenu;

class QWSManagerPrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QWSManager)
public:
    QWSManagerPrivate();

    int activeRegion;
    QWidget *managed;
    QMenu *popup;

    enum MenuAction {
        NormalizeAction,
        TitleAction,
        BottomRightAction,
        MinimizeAction,
        MaximizeAction,
        CloseAction,
        LastMenuAction
    };
    QAction *menuActions[LastMenuAction];

    static QWidget *active;
    static QPoint mousePos;

    // Region caching to avoid getting a regiontype's
    // QRegion for each mouse move event
    int previousRegionType;
    bool previousRegionRepainted; // Hover/Press handled
    bool entireDecorationNeedsRepaint;
    struct RegionCaching {
        int regionType;
        QRegion region;
        Qt::WindowFlags windowFlags;
        QRect windowGeometry;
    } cached_region;

    bool newCachedRegion(const QPoint &pos);
    int cachedRegionAt()
    { return cached_region.regionType; }

    void dirtyRegion(int decorationRegion,
                     QDecoration::DecorationState state,
                     const QRegion &clip = QRegion());
    void clearDirtyRegions();

    QList<int> dirtyRegions;
    QList<QDecoration::DecorationState> dirtyStates;
    QRegion dirtyClip;
};

#endif // QT_NO_QWS_MANAGER

QT_END_NAMESPACE

#endif // QWSMANAGER_P_H