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#ifndef QSTYLESHEETSTYLE_P_H

#define QSTYLESHEETSTYLE_P_H

#include "QtGui/qwindowsstyle.h"

#ifndef QT_NO_STYLE_STYLESHEET

#include "QtGui/qstyleoption.h"

#include "QtCore/qhash.h"

#include "QtGui/qevent.h"

#include "QtCore/qvector.h"

#include "QtGui/qapplication.h"

#include "private/qcssparser_p.h"

#include "QtGui/qbrush.h"

QT_BEGIN_NAMESPACE

//

//  W A R N I N G

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

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

class QRenderRule;

class QAbstractScrollArea;

class QStyleSheetStylePrivate;

class QStyleOptionTitleBar;

class Q_AUTOTEST_EXPORT QStyleSheetStyle : public QWindowsStyle

{

    typedef QWindowsStyle ParentStyle;

    Q_OBJECT

public:

    QStyleSheetStyle(QStyle *baseStyle);

    ~QStyleSheetStyle();

    void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p,

                            const QWidget *w = 0) const;

    void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,

                     const QWidget *w = 0) const;

    void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;

    void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal,

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

    void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p,

                       const QWidget *w = 0) const;

    QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,

                                const QStyleOption *option) const;

    SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt,

                                     const QPoint &pt, const QWidget *w = 0) const;

    QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const;

    QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled,

                       const QString &text) const;

    int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;

    void polish(QWidget *widget);

    void polish(QApplication *app);

    void polish(QPalette &pal);

    QSize sizeFromContents(ContentsType ct, const QStyleOption *opt,

                           const QSize &contentsSize, const QWidget *widget = 0) const;

    QPalette standardPalette() const;

    QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = 0,

                           const QWidget *w = 0 ) const;

    int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2,

                          Qt::Orientation orientation, const QStyleOption *option = 0,

                          const QWidget *widget = 0) const;

    int styleHint(StyleHint sh, const QStyleOption *opt = 0, const QWidget *w = 0,

                  QStyleHintReturn *shret = 0) const;

    QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const;

    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc,

                         const QWidget *w = 0) const;

    // These functions are called from QApplication/QWidget. Be careful.

    QStyle *baseStyle() const;

    void repolish(QWidget *widget);

    void repolish(QApplication *app);

    void unpolish(QWidget *widget);

    void unpolish(QApplication *app);

    QStyle *base;

    void ref() { ++refcount; }

    void deref() { Q_ASSERT(refcount > 0); if (!--refcount) delete this; }

    void updateStyleSheetFont(QWidget* w) const;

    void saveWidgetFont(QWidget* w, const QFont& font) const;

    void clearWidgetFont(QWidget* w) const;

    bool styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal);

protected Q_SLOTS:

    QIcon standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *opt = 0,

                                     const QWidget *widget = 0) const;

    int layoutSpacingImplementation(QSizePolicy::ControlType control1,

                                    QSizePolicy::ControlType control2,

                                    Qt::Orientation orientation,

                                    const QStyleOption *option = 0,

                                    const QWidget *widget = 0) const;

protected:

    bool event(QEvent *e);

private Q_SLOTS:

    void widgetDestroyed(QObject *);

private:

    int refcount;

    friend class QRenderRule;

    int nativeFrameWidth(const QWidget *);

    QRenderRule renderRule(const QWidget *, int, quint64 = 0) const;

    QRenderRule renderRule(const QWidget *, const QStyleOption *, int = 0) const;

    QSize defaultSize(const QWidget *, QSize, const QRect&, int) const;

    QRect positionRect(const QWidget *, const QRenderRule&, const QRenderRule&, int,

                       const QRect&, Qt::LayoutDirection) const;

    QRect positionRect(const QWidget *w, const QRenderRule &rule2, int pe,

                       const QRect &originRect, Qt::LayoutDirection dir) const;

    mutable QCss::Parser parser;

    void setPalette(QWidget *);

    void unsetPalette(QWidget *);

    void setProperties(QWidget *);

    void setGeometry(QWidget *);

    QVector<QCss::StyleRule> styleRules(const QWidget *w) const;

    bool hasStyleRule(const QWidget *w, int part) const;

    QHash<QStyle::SubControl, QRect> titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const;

    QCss::StyleSheet getDefaultStyleSheet() const;

    static Qt::Alignment resolveAlignment(Qt::LayoutDirection, Qt::Alignment);

    static bool isNaturalChild(const QWidget *w);

    bool initWidget(const QWidget *w) const;

public:

    static int numinstances;

private:

    Q_DISABLE_COPY(QStyleSheetStyle)

    Q_DECLARE_PRIVATE(QStyleSheetStyle)

};

QT_END_NAMESPACE

#endif // QT_NO_STYLE_STYLESHEET

#endif // QSTYLESHEETSTYLE_P_H