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

#ifndef QSTYLE_P_H

#define QSTYLE_P_H

#include "private/qobject_p.h"

#include "private/qstylehelper_p.h"

#include <QtGui/qstyle.h>

QT_BEGIN_NAMESPACE

//

//  W A R N I N G

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

//

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

// of qstyle_*.cpp.  This header file may change from version to version

// without notice, or even be removed.

//

// We mean it.

//

// Private class

class QStyle;

class QStylePrivate: public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QStyle)

public:

    inline QStylePrivate()

        : layoutSpacingIndex(-1), proxyStyle(0) {}

    mutable int layoutSpacingIndex;

    QStyle *proxyStyle;

};

#define BEGIN_STYLE_PIXMAPCACHE(a) \

    QRect rect = option->rect; \

    QPixmap internalPixmapCache; \

    QImage imageCache; \

    QPainter *p = painter; \

    QString unique = QStyleHelper::uniqueName((a), option, option->rect.size()); \

    int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \

    bool doPixmapCache = txType <= QTransform::TxTranslate; \

    if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \

        painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \

    } else { \

        if (doPixmapCache) { \

            rect.setRect(0, 0, option->rect.width(), option->rect.height()); \

            imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \

            imageCache.fill(0); \

            p = new QPainter(&imageCache); \

        }

#define END_STYLE_PIXMAPCACHE \

        if (doPixmapCache) { \

            p->end(); \

            delete p; \

            internalPixmapCache = QPixmap::fromImage(imageCache); \

            painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \

            QPixmapCache::insert(unique, internalPixmapCache); \

        } \

    }

QT_END_NAMESPACE

#endif //QSTYLE_P_H