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

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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** No Commercial Usage

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

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** contained in the Technology Preview License Agreement accompanying

** this package.

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

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

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** $QT_END_LICENSE$

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

#ifndef QSTYLEPAINTER_H

#define QSTYLEPAINTER_H

#include <QtGui/qpainter.h>

#include <QtGui/qstyle.h>

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QStylePainter : public QPainter

{

public:

    inline QStylePainter() : QPainter(), widget(0), wstyle(0) {}

    inline explicit QStylePainter(QWidget *w) { begin(w, w); }

    inline QStylePainter(QPaintDevice *pd, QWidget *w) { begin(pd, w); }

    inline bool begin(QWidget *w) { return begin(w, w); }

    inline bool begin(QPaintDevice *pd, QWidget *w) {

        Q_ASSERT_X(w, "QStylePainter::QStylePainter", "Widget must be non-zero");

        widget = w;

        wstyle = w->style();

        return QPainter::begin(pd);

    };

    inline void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption &opt);

    inline void drawControl(QStyle::ControlElement ce, const QStyleOption &opt);

    inline void drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex &opt);

    inline void drawItemText(const QRect &r, int flags, const QPalette &pal, bool enabled,

                             const QString &text, QPalette::ColorRole textRole = QPalette::NoRole);

    inline void drawItemPixmap(const QRect &r, int flags, const QPixmap &pixmap);

    inline QStyle *style() const { return wstyle; }

private:

    QWidget *widget;

    QStyle *wstyle;

    Q_DISABLE_COPY(QStylePainter)

};

void QStylePainter::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption &opt)

{

    wstyle->drawPrimitive(pe, &opt, this, widget);

}

void QStylePainter::drawControl(QStyle::ControlElement ce, const QStyleOption &opt)

{

    wstyle->drawControl(ce, &opt, this, widget);

}

void QStylePainter::drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex &opt)

{

    wstyle->drawComplexControl(cc, &opt, this, widget);

}

void QStylePainter::drawItemText(const QRect &r, int flags, const QPalette &pal, bool enabled,

                                 const QString &text, QPalette::ColorRole textRole)

{

    wstyle->drawItemText(this, r, flags, pal, enabled, text, textRole);

}

void QStylePainter::drawItemPixmap(const QRect &r, int flags, const QPixmap &pixmap)

{

    wstyle->drawItemPixmap(this, r, flags, pixmap);

}

QT_END_NAMESPACE

QT_END_HEADER

#endif // QSTYLEPAINTER_H