/*
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright (C) 2000-2003 Lars Knoll (knoll@kde.org)
 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
 *           (C) 2000-2003 Dirk Mueller (mueller@kde.org)
 *           (C) 2003-2007 Apple Computer, Inc.
 *           (C) 2004-2006 Allan Sandfeld Jensen (kde@carewolf.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */
#ifndef RENDERSTYLE_H
#define RENDERSTYLE_H

/*
 * WARNING:
 * --------
 *
 * The order of the values in the enums have to agree with the order specified
 * in cssvalues.in, otherwise some optimizations in the parser will fail,
 * and produce invaliud results.
 */

#include <QColor>
#include <QFont>
#include <QFontMetrics>
#include <QPalette>
#include <QApplication>

#include "dom/dom_misc.h"
#include "dom/dom_string.h"
#include "misc/khtmllayout.h"
#include "misc/shared.h"
#include "rendering/DataRef.h"
#include "rendering/font.h"
#include "rendering/SVGRenderStyle.h"

#include <assert.h>

#define SET_VAR(group,variable,value) \
    if (!(group->variable == value)) \
        group.access()->variable = value;

#ifndef ENABLE_DUMP
#ifndef NDEBUG
#define ENABLE_DUMP 1
#endif
#endif

namespace DOM
{
class DOMStringImpl;
class QuotesValueImpl;
class CounterImpl;
class CSSValueListImpl;
}

namespace khtml
{

class CachedImage;
class CachedObject;

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

//------------------------------------------------
// Box model attributes. Not inherited.

struct LengthBox {
    LengthBox()
    {
    }
    LengthBox(LengthType t)
        : left(t), right(t), top(t), bottom(t) {}

    Length left;
    Length right;
    Length top;
    Length bottom;
    Length &operator=(Length &len)
    {
        left = len;
        right = len;
        top = len;
        bottom = len;
        return len;
    }

    bool operator==(const LengthBox &o) const
    {
        return left == o.left && right == o.right && top == o.top && bottom == o.bottom;
    }

    bool nonZero() const
    {
        return !(left.isZero() && right.isZero() && top.isZero() && bottom.isZero());
    }
};

enum EPosition {
    PSTATIC, PRELATIVE, PABSOLUTE, PFIXED
};

enum EFloat {
    FNONE = 0, FLEFT = 0x01, FRIGHT = 0x02, FLEFT_ALIGN = 0x05, FRIGHT_ALIGN = 0x06
};

enum EWordWrap {
    WWNORMAL = 0, WWBREAKWORD = 0x01
};

//------------------------------------------------
// Border attributes. Not inherited.

// These have been defined in the order of their precedence for border-collapsing. Do
// not change this order!
enum EBorderStyle {
    BNATIVE, BNONE, BHIDDEN, INSET, GROOVE, RIDGE, OUTSET, DOTTED, DASHED, SOLID, DOUBLE
};

class BorderValue
{
public:
    BorderValue() : width(3), style(BNONE) {}

    QColor color;
    unsigned short width : 12;
    EBorderStyle style : 6;

    bool nonZero(bool checkStyle = true) const
    {
        return width != 0 && !(checkStyle && style == BNONE);
    }

    bool isTransparent() const
    {
        return color.isValid() && color.alpha() == 0;
    }

    bool operator==(const BorderValue &o) const
    {
        return width == o.width && style == o.style && color == o.color;
    }

    bool operator!=(const BorderValue &o) const
    {
        return !(*this == o);
    }
};

class OutlineValue : public BorderValue
{
public:
    OutlineValue() : _offset(0), _auto(false) {}

    bool operator==(const OutlineValue &o) const
    {
        return width == o.width && style == o.style && color == o.color && _offset == o._offset && _auto == o._auto;
    }

    bool operator!=(const OutlineValue &o) const
    {
        return !(*this == o);
    }

    int _offset;
    bool _auto;
};

enum EBorderPrecedence { BOFF, BTABLE, BCOLGROUP, BCOL, BROWGROUP, BROW, BCELL };

struct CollapsedBorderValue {
    CollapsedBorderValue() : border(0), precedence(BOFF) {}
    CollapsedBorderValue(const BorderValue *b, EBorderPrecedence p) : border(b), precedence(p) {}

    int width() const
    {
        return border && border->nonZero() ? border->width : 0;
    }
    EBorderStyle style() const
    {
        return border ? border->style : BHIDDEN;
    }
    bool exists() const
    {
        return border;
    }
    QColor color() const
    {
        return border ? border->color : QColor();
    }
    bool isTransparent() const
    {
        return border ? border->isTransparent() : true;
    }

    bool operator==(const CollapsedBorderValue &o) const
    {
        if (!border) {
            return !o.border;
        }
        if (!o.border) {
            return false;
        }
        return *border == *o.border && precedence == o.precedence;
    }

    const BorderValue *border;
    EBorderPrecedence precedence;
};

class BorderData : public Shared<BorderData>
{
public:
    BorderData() : Shared< khtml::BorderData >() {};
    BorderData(const khtml::BorderData &other) : Shared<khtml::BorderData>()
    {
        this->left = other.left;
        this->right = other.right;
        this->top = other.top;
        this->bottom = other.bottom;
    }

    BorderValue left;
    BorderValue right;
    BorderValue top;
    BorderValue bottom;

    bool hasBorder() const
    {
        return left.nonZero() || right.nonZero() || top.nonZero() || bottom.nonZero();
    }

    unsigned short borderLeftWidth() const
    {
        if (left.style == BNONE || left.style == BHIDDEN || left.style == BNATIVE) {
            return 0;
        }
        return left.width;
    }

    unsigned short borderRightWidth() const
    {
        if (right.style == BNONE || right.style == BHIDDEN || right.style == BNATIVE) {
            return 0;
        }
        return right.width;
    }

    unsigned short borderTopWidth() const
    {
        if (top.style == BNONE || top.style == BHIDDEN || top.style == BNATIVE) {
            return 0;
        }
        return top.width;
    }

    unsigned short borderBottomWidth() const
    {
        if (bottom.style == BNONE || bottom.style == BHIDDEN || bottom.style == BNATIVE) {
            return 0;
        }
        return bottom.width;
    }

    bool operator==(const BorderData &o) const
    {
        return left == o.left && right == o.right && top == o.top && bottom == o.bottom;
    }

};

class StyleSurroundData : public Shared<StyleSurroundData>
{
public:
    StyleSurroundData();

    StyleSurroundData(const StyleSurroundData &o);
    bool operator==(const StyleSurroundData &o) const;
    bool operator!=(const StyleSurroundData &o) const
    {
        return !(*this == o);
    }
    bool hasSamePBMData(const StyleSurroundData &o) const
    {
        return (margin == o.margin) && (padding == o.padding) && (border == o.border);
    }

    LengthBox offset;
    LengthBox margin;
    LengthBox padding;
    BorderData border;
};

//------------------------------------------------
// Box attributes. Not inherited.

enum EBoxSizing {
    BORDER_BOX, CONTENT_BOX
};

class StyleBoxData : public Shared<StyleBoxData>
{
public:
    StyleBoxData();

    StyleBoxData(const StyleBoxData &o);

    // copy and assignment
//    StyleBoxData(const StyleBoxData &other);
//    const StyleBoxData &operator = (const StyleBoxData &other);

    bool operator==(const StyleBoxData &o) const;
    bool operator!=(const StyleBoxData &o) const
    {
        return !(*this == o);
    }

    Length width;
    Length height;

    Length min_width;
    Length max_width;

    Length min_height;
    Length max_height;

    Length vertical_align;

    EBoxSizing box_sizing;

    signed int z_index : 31;
    bool z_auto        : 1;
};

//------------------------------------------------
// Random visual rendering model attributes. Not inherited.

enum EOverflow {
    OVISIBLE, OHIDDEN, OSCROLL, OAUTO, OMARQUEE
};

enum EVerticalAlign {
    BASELINE, MIDDLE, SUB, SUPER, TEXT_TOP,
    TEXT_BOTTOM, TOP, BOTTOM, BASELINE_MIDDLE, LENGTH
};

enum EClear {
    CNONE = 0, CLEFT = 1, CRIGHT = 2, CBOTH = 3
};

enum ETableLayout {
    TAUTO, TFIXED
};

enum EUnicodeBidi {
    UBNormal, Embed, Override
};

class StyleVisualData : public Shared<StyleVisualData>
{
public:
    StyleVisualData();

    ~StyleVisualData();

    StyleVisualData(const StyleVisualData &o);

    bool operator==(const StyleVisualData &o) const
    {
        return (clip == o.clip && textDecoration == o.textDecoration &&
                palette == o.palette);
    }
    bool operator!=(const StyleVisualData &o) const
    {
        return !(*this == o);
    }

    LengthBox clip;
    unsigned textDecoration : 4; // Text decorations defined *only* by this element.

    QPalette palette;      //widget styling with IE attributes

};

//------------------------------------------------
enum EBackgroundBox {
    BGBORDER, BGPADDING, BGCONTENT
};

enum EBackgroundRepeat {
    REPEAT, REPEAT_X, REPEAT_Y, NO_REPEAT
};

enum EBackgroundSizeType {
    BGSLENGTH, BGSCONTAIN, BGSCOVER
};

enum EBackgroundAttachment {
    BGASCROLL, BGAFIXED, BGALOCAL
};

struct LengthSize {
    Length width;
    Length height;
};

struct BackgroundLayer {
public:
    BackgroundLayer();
    ~BackgroundLayer();

    CachedImage *backgroundImage() const
    {
        return m_image;
    }
    Length backgroundXPosition() const
    {
        return m_xPosition;
    }
    Length backgroundYPosition() const
    {
        return m_yPosition;
    }
    EBackgroundAttachment backgroundAttachment() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundAttachment, m_bgAttachment);
    }
    EBackgroundBox backgroundClip() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundBox, m_bgClip);
    }
    EBackgroundBox backgroundOrigin() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundBox, m_bgOrigin);
    }
    EBackgroundRepeat backgroundRepeat() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundRepeat, m_bgRepeat);
    }
    LengthSize backgroundSize() const
    {
        return m_backgroundSize;
    }
    EBackgroundSizeType backgroundSizeType() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundSizeType, m_bgSizeType);
    }

    BackgroundLayer *next() const
    {
        return m_next;
    }
    BackgroundLayer *next()
    {
        return m_next;
    }

    bool isBackgroundImageSet() const
    {
        return m_imageSet;
    }
    bool isBackgroundXPositionSet() const
    {
        return m_xPosSet;
    }
    bool isBackgroundYPositionSet() const
    {
        return m_yPosSet;
    }
    bool isBackgroundAttachmentSet() const
    {
        return m_attachmentSet;
    }
    bool isBackgroundClipSet() const
    {
        return m_clipSet;
    }
    bool isBackgroundOriginSet() const
    {
        return m_originSet;
    }
    bool isBackgroundRepeatSet() const
    {
        return m_repeatSet;
    }
    bool isBackgroundSizeSet() const
    {
        return m_backgroundSizeSet;
    }

    void setBackgroundImage(CachedImage *i)
    {
        m_image = i;
        m_imageSet = true;
    }
    void setBackgroundXPosition(const Length &l)
    {
        m_xPosition = l;
        m_xPosSet = true;
    }
    void setBackgroundYPosition(const Length &l)
    {
        m_yPosition = l;
        m_yPosSet = true;
    }
    void setBackgroundAttachment(EBackgroundAttachment b)
    {
        m_bgAttachment = b;
        m_attachmentSet = true;
    }
    void setBackgroundClip(EBackgroundBox b)
    {
        m_bgClip = b;
        m_clipSet = true;
    }
    void setBackgroundOrigin(EBackgroundBox b)
    {
        m_bgOrigin = b;
        m_originSet = true;
    }
    void setBackgroundRepeat(EBackgroundRepeat r)
    {
        m_bgRepeat = r;
        m_repeatSet = true;
    }
    void setBackgroundSize(const LengthSize &b)
    {
        m_backgroundSize = b;
        m_backgroundSizeSet = true;
    }
    void setBackgroundSizeType(EBackgroundSizeType t)
    {
        m_bgSizeType = t;
        m_backgroundSizeSet = true;
    }

    void clearBackgroundImage()
    {
        m_imageSet = false;
    }
    void clearBackgroundXPosition()
    {
        m_xPosSet = false;
    }
    void clearBackgroundYPosition()
    {
        m_yPosSet = false;
    }
    void clearBackgroundAttachment()
    {
        m_attachmentSet = false;
    }
    void clearBackgroundClip()
    {
        m_clipSet = false;
    }
    void clearBackgroundOrigin()
    {
        m_originSet = false;
    }
    void clearBackgroundRepeat()
    {
        m_repeatSet = false;
    }
    void clearBackgroundSize()
    {
        m_backgroundSizeSet = false;
    }

    void setNext(BackgroundLayer *n)
    {
        if (m_next != n) {
            delete m_next;
            m_next = n;
        }
    }

    BackgroundLayer &operator=(const BackgroundLayer &o);
    BackgroundLayer(const BackgroundLayer &o);

    bool operator==(const BackgroundLayer &o) const;
    bool operator!=(const BackgroundLayer &o) const
    {
        return !(*this == o);
    }

    bool containsImage(CachedImage *c) const
    {
        if (c == m_image) {
            return true;
        } if (m_next) {
            return m_next->containsImage(c);
        } return false;
    }

    bool hasImage() const
    {
        if (m_image) {
            return true;
        }
        return m_next ? m_next->hasImage() : false;
    }
    bool hasFixedImage() const
    {
        if (m_image && m_bgAttachment == BGAFIXED) {
            return true;
        }
        return m_next ? m_next->hasFixedImage() : false;
    }

    void fillUnsetProperties();
    void cullEmptyLayers();

    CachedImage *m_image;

    Length m_xPosition;
    Length m_yPosition;

    KDE_BF_ENUM(EBackgroundAttachment) m_bgAttachment : 2;
    KDE_BF_ENUM(EBackgroundBox) m_bgClip : 2;
    KDE_BF_ENUM(EBackgroundBox) m_bgOrigin : 2;
    KDE_BF_ENUM(EBackgroundRepeat) m_bgRepeat : 2;
    KDE_BF_ENUM(EBackgroundSizeType) m_bgSizeType : 2;

    LengthSize m_backgroundSize;

    bool m_imageSet : 1;
    bool m_attachmentSet : 1;
    bool m_clipSet : 1;
    bool m_originSet : 1;
    bool m_repeatSet : 1;
    bool m_xPosSet : 1;
    bool m_yPosSet : 1;
    bool m_backgroundSizeSet : 1;

    BackgroundLayer *m_next;
};

class StyleBackgroundData : public Shared<StyleBackgroundData>
{
public:
    StyleBackgroundData();
    ~StyleBackgroundData() {}
    StyleBackgroundData(const StyleBackgroundData &o);

    bool operator==(const StyleBackgroundData &o) const;
    bool operator!=(const StyleBackgroundData &o) const
    {
        return !(*this == o);
    }

    BackgroundLayer m_background;
    QColor m_color;
    OutlineValue m_outline;
};

enum EQuoteContent {
    NO_QUOTE = 0, OPEN_QUOTE, CLOSE_QUOTE, NO_OPEN_QUOTE, NO_CLOSE_QUOTE
};

enum ContentType {
    CONTENT_NONE = 0, CONTENT_NORMAL, CONTENT_OBJECT,
    CONTENT_TEXT, CONTENT_COUNTER, CONTENT_QUOTE
};

struct ContentData {
    ContentData() : _contentType(CONTENT_NONE), _nextContent(0) {}
    ContentData(const ContentData &o);
    ~ContentData();
    void clearContent();

    DOM::DOMStringImpl *contentText()
    {
        if (_contentType == CONTENT_TEXT) {
            return _content.text;
        } return 0;
    }
    CachedObject *contentObject()
    {
        if (_contentType == CONTENT_OBJECT) {
            return _content.object;
        } return 0;
    }
    DOM::CounterImpl *contentCounter()
    {
        if (_contentType == CONTENT_COUNTER) {
            return _content.counter;
        } return 0;
    }
    EQuoteContent contentQuote()
    {
        if (_contentType == CONTENT_QUOTE) {
            return _content.quote;
        } return NO_QUOTE;
    }

    ContentType _contentType;

    union {
        CachedObject *object;
        DOM::DOMStringImpl *text;
        DOM::CounterImpl *counter;
        EQuoteContent quote;
    } _content;

    ContentData *_nextContent;
};

class StyleGeneratedData : public Shared<StyleGeneratedData>
{
public:
    StyleGeneratedData();
    ~StyleGeneratedData();
    StyleGeneratedData(const StyleGeneratedData &o);

    bool operator==(const StyleGeneratedData &o) const;
    bool operator!=(const StyleGeneratedData &o) const
    {
        return !(*this == o);
    }

    bool contentDataEquivalent(const StyleGeneratedData *otherStyle) const;
    bool counterDataEquivalent(const StyleGeneratedData *otherStyle) const;

    ContentData *content;
    DOM::CSSValueListImpl *counter_reset;
    DOM::CSSValueListImpl *counter_increment;
};

//------------------------------------------------
// CSS3 Marquee Properties

enum EMarqueeBehavior { MNONE, MSCROLL, MSLIDE, MALTERNATE, MUNFURL };
enum EMarqueeDirection { MAUTO = 0, MLEFT = 1, MRIGHT = -1, MUP = 2, MDOWN = -2, MFORWARD = 3, MBACKWARD = -3 };

class StyleMarqueeData : public Shared<StyleMarqueeData>
{
public:
    StyleMarqueeData();
    StyleMarqueeData(const StyleMarqueeData &o);

    bool operator==(const StyleMarqueeData &o) const;
    bool operator!=(const StyleMarqueeData &o) const
    {
        return !(*this == o);
    }

    Length increment;
    int speed;

    int loops; // -1 means infinite.

    EMarqueeBehavior behavior : 3;
    EMarqueeDirection direction : 3;
};

struct BorderRadii {
    int horizontal;
    int vertical;

    BorderRadii(): horizontal(0), vertical(0) {}

    bool hasBorderRadius() const
    {
        return horizontal > 0 && vertical > 0;
    }

    bool operator==(const BorderRadii &o) const;
    bool operator!=(const BorderRadii &o) const
    {
        return !(*this == o);
    }
};

class BorderRadiusData : public Shared<BorderRadiusData>
{
public:
    BorderRadiusData() : Shared<BorderRadiusData>() {};
    BorderRadiusData(const BorderRadiusData &other) : Shared<BorderRadiusData>(),
        topRight(other.topRight),
        bottomRight(other.bottomRight),
        bottomLeft(other.bottomLeft),
        topLeft(other.topLeft)
    {}

    bool operator==(const BorderRadiusData &o) const;
    bool operator!=(const BorderRadiusData &o) const
    {
        return !(*this == o);
    }

    bool hasBorderRadius() const;

    BorderRadii topRight, bottomRight, bottomLeft, topLeft;
};

// This struct holds information about shadows for the text-shadow and box-shadow properties.
struct ShadowData {
    ShadowData(int _x, int _y, int _blur, const QColor &_color)
        : x(_x), y(_y), blur(_blur), color(_color), next(0) {}
    ShadowData(const ShadowData &o);

    ~ShadowData()
    {
        delete next;
    }

    bool operator==(const ShadowData &o) const;
    bool operator!=(const ShadowData &o) const
    {
        return !(*this == o);
    }

    int x;
    int y;
    int blur;
    QColor color;
    ShadowData *next;
};

// This struct is for rarely used non-inherited CSS3 properties.  By grouping them together,
// we save space, and only allocate this object when someone actually uses
// a non-inherited CSS3 property.
class StyleCSS3NonInheritedData : public Shared<StyleCSS3NonInheritedData>
{
public:
    StyleCSS3NonInheritedData();
    ~StyleCSS3NonInheritedData() {}
    StyleCSS3NonInheritedData(const StyleCSS3NonInheritedData &o);

    bool operator==(const StyleCSS3NonInheritedData &o) const;
    bool operator!=(const StyleCSS3NonInheritedData &o) const
    {
        return !(*this == o);
    }

    float opacity;         // Whether or not we're transparent.
#ifdef APPLE_CHANGES    // ### we don't have those (yet)
    DataRef<StyleFlexibleBoxData> flexibleBox; // Flexible box properties
#endif
    DataRef<StyleMarqueeData> marquee; // Marquee properties
    DataRef<BorderRadiusData> borderRadius;
};

// This struct is for rarely used inherited CSS3 properties.  By grouping them together,
// we save space, and only allocate this object when someone actually uses
// an inherited CSS3 property.
class StyleCSS3InheritedData : public Shared<StyleCSS3InheritedData>
{
public:
    StyleCSS3InheritedData();
    ~StyleCSS3InheritedData();
    StyleCSS3InheritedData(const StyleCSS3InheritedData &o);

    bool operator==(const StyleCSS3InheritedData &o) const;
    bool operator!=(const StyleCSS3InheritedData &o) const
    {
        return !(*this == o);
    }
    bool shadowDataEquivalent(const StyleCSS3InheritedData &o) const;

    ShadowData *textShadow;  // Our text shadow information for shadowed text drawing.
#ifdef APPLE_CHANGES
    EUserModify userModify : 2; // Flag used for editing state
    bool textSizeAdjust : 1;    // An Apple extension.  Not really CSS3 but not worth making a new struct over.
#endif
    KDE_BF_ENUM(EWordWrap) wordWrap : 1;
private:
    StyleCSS3InheritedData &operator=(const StyleCSS3InheritedData &);
};

//------------------------------------------------
// Inherited attributes.
//
// the inherited-decoration and inherited-shadow attributes
// are inherited from the
// first parent which is block level
//

enum EWhiteSpace {
    NORMAL, PRE, NOWRAP, PRE_WRAP, PRE_LINE, KHTML_NOWRAP
};

enum ETextAlign {
    TAAUTO, LEFT, RIGHT, CENTER, JUSTIFY, KHTML_LEFT, KHTML_RIGHT, KHTML_CENTER
};

enum ETextTransform {
    CAPITALIZE, UPPERCASE, LOWERCASE, TTNONE
};

enum EDirection {
    LTR, RTL
};

enum ETextDecoration {
    TDNONE = 0x0, UNDERLINE = 0x1, OVERLINE = 0x2, LINE_THROUGH = 0x4, BLINK = 0x8
};

enum EPageBreak {
    PBAUTO, PBALWAYS, PBAVOID,
    /* reserved for later use: */
    PBLEFT, PBRIGHT
};

class StyleInheritedData : public Shared<StyleInheritedData>
{
    StyleInheritedData &operator=(const StyleInheritedData &);
public:
    StyleInheritedData();
    ~StyleInheritedData();
    StyleInheritedData(const StyleInheritedData &o);

    bool operator==(const StyleInheritedData &o) const;
    bool operator != (const StyleInheritedData &o) const
    {
        return !(*this == o);
    }

    Length indent;
    // could be packed in a short but doesn't
    // make a difference currently because of padding
    Length line_height;

    CachedImage *style_image;

    khtml::Font font;
    QColor color;

    short border_hspacing;
    short border_vspacing;

    // Paged media properties.
    short widows;
    short orphans;

    DOM::QuotesValueImpl *quotes;
};

enum EEmptyCell {
    SHOW, HIDE
};

enum ECaptionSide {
    CAPTOP, CAPBOTTOM, CAPLEFT, CAPRIGHT
};

enum EListStyleType {
    // Symbols:
    LDISC, LCIRCLE, LSQUARE, LBOX, LDIAMOND,
    // Numeric:
    LDECIMAL, DECIMAL_LEADING_ZERO, ARABIC_INDIC, LAO, PERSIAN, URDU, THAI, TIBETAN,
    // Algorithmic:
    LOWER_ROMAN, UPPER_ROMAN, HEBREW, ARMENIAN, GEORGIAN,
    // Ideographic:
    CJK_IDEOGRAPHIC, JAPANESE_FORMAL, JAPANESE_INFORMAL,
    SIMP_CHINESE_FORMAL, SIMP_CHINESE_INFORMAL, TRAD_CHINESE_FORMAL, TRAD_CHINESE_INFORMAL,
    // Alphabetic:
    LOWER_GREEK, UPPER_GREEK, LOWER_ALPHA, LOWER_LATIN, UPPER_ALPHA, UPPER_LATIN,
    HIRAGANA, KATAKANA, HIRAGANA_IROHA, KATAKANA_IROHA,
    // Special:
    LNONE
};

inline bool isListStyleCounted(EListStyleType type)
{
    switch (type) {
    case LDISC: case LCIRCLE: case LSQUARE: case LBOX: case LDIAMOND:
    case LNONE:
        return false;
    default:
        return true;
    }
}

enum EListStylePosition { OUTSIDE, INSIDE };

enum EVisibility { VISIBLE, HIDDEN, COLLAPSE };

enum ECursor {
    CURSOR_AUTO, CURSOR_DEFAULT, CURSOR_CONTEXT_MENU, CURSOR_HELP, CURSOR_POINTER,
    CURSOR_PROGRESS, CURSOR_WAIT, CURSOR_CELL, CURSOR_CROSS, CURSOR_TEXT, CURSOR_VERTICAL_TEXT,
    CURSOR_ALIAS, CURSOR_COPY, CURSOR_MOVE, CURSOR_NO_DROP, CURSOR_NOT_ALLOWED,
    CURSOR_E_RESIZE, CURSOR_N_RESIZE, CURSOR_NE_RESIZE, CURSOR_NW_RESIZE, CURSOR_S_RESIZE, CURSOR_SE_RESIZE,
    CURSOR_SW_RESIZE, CURSOR_W_RESIZE, CURSOR_EW_RESIZE, CURSOR_NS_RESIZE, CURSOR_NESW_RESIZE, CURSOR_NWSE_RESIZE,
    CURSOR_COL_RESIZE, CURSOR_ROW_RESIZE, CURSOR_ALL_SCROLL, CURSOR_NONE
};

enum EUserInput {
    UI_ENABLED, UI_DISABLED, UI_NONE
};

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

enum EDisplay {
    INLINE, BLOCK, LIST_ITEM, RUN_IN,
    COMPACT, INLINE_BLOCK, TABLE, INLINE_TABLE,
    TABLE_ROW_GROUP, TABLE_HEADER_GROUP, TABLE_FOOTER_GROUP, TABLE_ROW,
    TABLE_COLUMN_GROUP, TABLE_COLUMN, TABLE_CELL,
    TABLE_CAPTION, NONE
};

class RenderStyle : public Shared<RenderStyle>
{
    friend class CSSStyleSelector;
public:
    KHTML_EXPORT static void cleanup();

    // pseudo elements
    enum PseudoId {
        NOPSEUDO, FIRST_LINE, FIRST_LETTER, SELECTION,
        BEFORE, AFTER, REPLACED, MARKER
    };

protected:

// !START SYNC!: Keep this in sync with the copy constructor in render_style.cpp

    // inherit
    struct InheritedFlags {
        // 64 bit inherited, update unused when adding to the struct, or the operator will break.
        bool operator==(const InheritedFlags &other) const
        {
            return _iflags == other._iflags;
        }
        bool operator!=(const InheritedFlags &other) const
        {
            return _iflags != other._iflags;
        }

        union {
            struct {
                KDE_BF_ENUM(EEmptyCell) _empty_cells : 1;
                KDE_BF_ENUM(ECaptionSide) _caption_side : 2;
                KDE_BF_ENUM(EListStyleType) _list_style_type : 6;
                KDE_BF_ENUM(EListStylePosition) _list_style_position : 1;

                KDE_BF_ENUM(EVisibility) _visibility : 2;
                KDE_BF_ENUM(ETextAlign) _text_align : 4;
                KDE_BF_ENUM(ETextTransform) _text_transform : 2;
                unsigned _text_decorations : 4;
                KDE_BF_ENUM(ECursor) _cursor_style : 5;

                KDE_BF_ENUM(EDirection) _direction : 1;
                unsigned _border_collapse : 1;
                KDE_BF_ENUM(EWhiteSpace) _white_space : 3;
                // non CSS2 inherited
                unsigned _visuallyOrdered : 1;
                unsigned _htmlHacks : 1;
                KDE_BF_ENUM(EUserInput) _user_input : 2;

                unsigned _page_break_inside : 1; // AUTO/AVOID

                unsigned int unused : 27;
            } f;
            quint64 _iflags;
        };
    } inherited_flags;

// don't inherit
    struct NonInheritedFlags {
        // 64 bit non-inherited, update unused when adding to the struct, or the operator will break.
        bool operator==(const NonInheritedFlags &other) const
        {
            return _niflags == other._niflags;
        }
        bool operator!=(const NonInheritedFlags &other) const
        {
            return _niflags != other._niflags;
        }

        union {
            struct {
                KDE_BF_ENUM(EDisplay) _display : 5;
                KDE_BF_ENUM(EDisplay) _originalDisplay : 5;
                KDE_BF_ENUM(EOverflow) _overflowX : 4;
                KDE_BF_ENUM(EOverflow) _overflowY : 4;
                KDE_BF_ENUM(EVerticalAlign) _vertical_align : 4;
                KDE_BF_ENUM(EClear) _clear : 2;
                KDE_BF_ENUM(EPosition) _position : 2;
                KDE_BF_ENUM(EFloat) _floating : 3;
                KDE_BF_ENUM(ETableLayout) _table_layout : 1;
                unsigned _flowAroundFloats : 1;

                KDE_BF_ENUM(EPageBreak) _page_break_before : 3;
                KDE_BF_ENUM(EPageBreak) _page_break_after : 3;

                KDE_BF_ENUM(PseudoId) _styleType : 4;
                unsigned _hasClip : 1;
                unsigned _pseudoBits : 8;
                KDE_BF_ENUM(EUnicodeBidi) _unicodeBidi : 2;

                // non CSS2 non-inherited
                unsigned _textOverflow : 1; // Whether or not lines that spill out should be truncated with "..."

                unsigned _inherited_noninherited : 1;

                unsigned int unused : 10;
            } f;
            quint64 _niflags;
        };
    } noninherited_flags;

// non-inherited attributes
    DataRef<StyleBoxData> box;
    DataRef<StyleVisualData> visual;
    DataRef<StyleBackgroundData> background;
    DataRef<StyleSurroundData> surround;
    DataRef<StyleGeneratedData> generated;
    DataRef<StyleCSS3NonInheritedData> css3NonInheritedData;

// inherited attributes
    DataRef<StyleCSS3InheritedData> css3InheritedData;
    DataRef<StyleInheritedData> inherited;

// list of associated pseudo styles
    RenderStyle *pseudoStyle;

// SVG Style
    DataRef<khtml::SVGRenderStyle> m_svgStyle;

// !END SYNC!

// static default style
    static RenderStyle *_default;

private:
    RenderStyle(const RenderStyle *) {}

protected:
    void setBitDefaults()
    {
        inherited_flags.f._empty_cells = initialEmptyCells();
        inherited_flags.f._caption_side = initialCaptionSide();
        inherited_flags.f._list_style_type = initialListStyleType();
        inherited_flags.f._list_style_position = initialListStylePosition();
        inherited_flags.f._visibility = initialVisibility();
        inherited_flags.f._text_align = initialTextAlign();
        inherited_flags.f._text_transform = initialTextTransform();
        inherited_flags.f._text_decorations = initialTextDecoration();
        inherited_flags.f._cursor_style = initialCursor();
        inherited_flags.f._direction = initialDirection();
        inherited_flags.f._border_collapse = initialBorderCollapse();
        inherited_flags.f._white_space = initialWhiteSpace();
        inherited_flags.f._visuallyOrdered = false;
        inherited_flags.f._htmlHacks = false;
        inherited_flags.f._user_input = UI_NONE;
        inherited_flags.f._page_break_inside = true;
        inherited_flags.f.unused = 0;

        noninherited_flags._niflags = 0L; // for safety: without this, the equality method sometimes
        // makes use of uninitialised bits according to valgrind

        noninherited_flags.f._display = noninherited_flags.f._originalDisplay = initialDisplay();
        noninherited_flags.f._overflowX = initialOverflowX();
        noninherited_flags.f._overflowY = initialOverflowY();
        noninherited_flags.f._vertical_align = initialVerticalAlign();
        noninherited_flags.f._clear = initialClear();
        noninherited_flags.f._position = initialPosition();
        noninherited_flags.f._floating = initialFloating();
        noninherited_flags.f._table_layout = initialTableLayout();
        noninherited_flags.f._flowAroundFloats = initialFlowAroundFloats();
        noninherited_flags.f._page_break_before = initialPageBreak();
        noninherited_flags.f._page_break_after = initialPageBreak();
        noninherited_flags.f._styleType = NOPSEUDO;
        noninherited_flags.f._hasClip = false;
        noninherited_flags.f._pseudoBits = 0;
        noninherited_flags.f._unicodeBidi = initialUnicodeBidi();
        noninherited_flags.f._textOverflow = initialTextOverflow();
        noninherited_flags.f._inherited_noninherited = false;
        noninherited_flags.f.unused = 0;
    }

public:

    RenderStyle();
    // used to create the default style.
    RenderStyle(bool);
    RenderStyle(const RenderStyle &);

    ~RenderStyle();

    void inheritFrom(const RenderStyle *inheritParent);
    void compactWith(const RenderStyle *similarStyle);

    PseudoId styleType() const
    {
        return KDE_CAST_BF_ENUM(PseudoId, noninherited_flags.f._styleType);
    }
    void setStyleType(PseudoId pi)
    {
        noninherited_flags.f._styleType = pi;
    }
    bool isGenerated() const
    {
        if (styleType() == AFTER || styleType() == BEFORE || styleType() == MARKER || styleType() == REPLACED) {
            return true;
        } else {
            return false;
        }
    }

    bool hasPseudoStyle(PseudoId pi) const;
    void setHasPseudoStyle(PseudoId pi, bool b = true);
    RenderStyle *getPseudoStyle(PseudoId pi) const;
    RenderStyle *addPseudoStyle(PseudoId pi);
    void removePseudoStyle(PseudoId pi);

    bool operator==(const RenderStyle &other) const;
    bool        isFloating() const
    {
        return !(noninherited_flags.f._floating == FNONE);
    }
    bool        hasMargin() const
    {
        return surround->margin.nonZero();
    }
    bool        hasBorder() const
    {
        return surround->border.hasBorder();
    }
    bool        hasPadding() const
    {
        return surround->padding.nonZero();
    }
    bool        hasOffset() const
    {
        return surround->offset.nonZero();
    }

    bool hasBackground() const
    {
        if (backgroundColor().isValid() && backgroundColor().alpha() > 0) {
            return true;
        } else {
            return background->m_background.hasImage();
        }
    }
    bool hasFixedBackgroundImage() const
    {
        return background->m_background.hasFixedImage();
    }
    bool hasBackgroundImage()  const
    {
        return background->m_background.hasImage();
    }

    bool visuallyOrdered() const
    {
        return inherited_flags.f._visuallyOrdered;
    }
    void setVisuallyOrdered(bool b)
    {
        inherited_flags.f._visuallyOrdered = b;
    }

// attribute getter methods

    EDisplay    display() const
    {
        return KDE_CAST_BF_ENUM(EDisplay, noninherited_flags.f._display);
    }
    EDisplay    originalDisplay() const
    {
        return KDE_CAST_BF_ENUM(EDisplay, noninherited_flags.f._originalDisplay);
    }

    Length      left() const
    {
        return surround->offset.left;
    }
    Length      right() const
    {
        return surround->offset.right;
    }
    Length      top() const
    {
        return surround->offset.top;
    }
    Length      bottom() const
    {
        return surround->offset.bottom;
    }

    EPosition   position() const
    {
        return KDE_CAST_BF_ENUM(EPosition, noninherited_flags.f._position);
    }
    EFloat      floating() const
    {
        return KDE_CAST_BF_ENUM(EFloat, noninherited_flags.f._floating);
    }

    Length      width() const
    {
        return box->width;
    }
    Length      height() const
    {
        return box->height;
    }
    Length      minWidth() const
    {
        return box->min_width;
    }
    Length      maxWidth() const
    {
        return box->max_width;
    }
    Length      minHeight() const
    {
        return box->min_height;
    }
    Length      maxHeight() const
    {
        return box->max_height;
    }

    const BorderData &border() const
    {
        return surround->border;
    }
    const BorderValue &borderLeft() const
    {
        return surround->border.left;
    }
    const BorderValue &borderRight() const
    {
        return surround->border.right;
    }
    const BorderValue &borderTop() const
    {
        return surround->border.top;
    }
    const BorderValue &borderBottom() const
    {
        return surround->border.bottom;
    }

    unsigned short  borderLeftWidth() const
    {
        return surround->border.borderLeftWidth();
    }
    EBorderStyle    borderLeftStyle() const
    {
        return surround->border.left.style;
    }
    const QColor  &borderLeftColor() const
    {
        return surround->border.left.color;
    }
    bool borderLeftIsTransparent() const
    {
        return surround->border.left.isTransparent();
    }
    unsigned short  borderRightWidth() const
    {
        return surround->border.borderRightWidth();
    }
    EBorderStyle    borderRightStyle() const
    {
        return surround->border.right.style;
    }
    const QColor   &borderRightColor() const
    {
        return surround->border.right.color;
    }
    bool borderRightIsTransparent() const
    {
        return surround->border.right.isTransparent();
    }
    unsigned short  borderTopWidth() const
    {
        return surround->border.borderTopWidth();
    }
    EBorderStyle    borderTopStyle() const
    {
        return surround->border.top.style;
    }
    const QColor  &borderTopColor() const
    {
        return surround->border.top.color;
    }
    bool borderTopIsTransparent() const
    {
        return surround->border.top.isTransparent();
    }
    unsigned short  borderBottomWidth() const
    {
        return surround->border.borderBottomWidth();
    }
    EBorderStyle    borderBottomStyle() const
    {
        return surround->border.bottom.style;
    }
    const QColor   &borderBottomColor() const
    {
        return surround->border.bottom.color;
    }
    bool borderBottomIsTransparent() const
    {
        return surround->border.bottom.isTransparent();
    }

    unsigned short  outlineSize() const
    {
        return outlineWidth() + outlineOffset();
    }
    unsigned short  outlineWidth() const
    {
        if (background->m_outline.style == BNONE || background->m_outline.style == BHIDDEN) {
            return 0;
        } else {
            return background->m_outline.width;
        }
    }
    EBorderStyle    outlineStyle() const
    {
        return background->m_outline.style;
    }
    bool outlineStyleIsAuto() const
    {
        return background->m_outline._auto;
    }
    const QColor   &outlineColor() const
    {
        return background->m_outline.color;
    }

    EOverflow overflowX() const
    {
        return KDE_CAST_BF_ENUM(EOverflow, noninherited_flags.f._overflowX);
    }
    EOverflow overflowY() const
    {
        return KDE_CAST_BF_ENUM(EOverflow, noninherited_flags.f._overflowY);
    }
    bool hidesOverflow() const
    {
        // either both overflow are visible or none are
        return overflowX() != OVISIBLE;
    }

    EVisibility visibility() const
    {
        return KDE_CAST_BF_ENUM(EVisibility, inherited_flags.f._visibility);
    }
    EVerticalAlign verticalAlign() const
    {
        return  KDE_CAST_BF_ENUM(EVerticalAlign, noninherited_flags.f._vertical_align);
    }
    Length verticalAlignLength() const
    {
        return box->vertical_align;
    }

    Length clipLeft() const
    {
        return visual->clip.left;
    }
    Length clipRight() const
    {
        return visual->clip.right;
    }
    Length clipTop() const
    {
        return visual->clip.top;
    }
    Length clipBottom() const
    {
        return visual->clip.bottom;
    }
    LengthBox clip() const
    {
        return visual->clip;
    }
    bool hasClip() const
    {
        return noninherited_flags.f._hasClip;
    }

    EUnicodeBidi unicodeBidi() const
    {
        return KDE_CAST_BF_ENUM(EUnicodeBidi, noninherited_flags.f._unicodeBidi);
    }

    EClear clear() const
    {
        return KDE_CAST_BF_ENUM(EClear, noninherited_flags.f._clear);
    }
    ETableLayout tableLayout() const
    {
        return KDE_CAST_BF_ENUM(ETableLayout, noninherited_flags.f._table_layout);
    }

    const QFont &font() const
    {
        return inherited->font.cfi->f;
    }
    // use with care. call font->update() after modifications
    const Font &htmlFont()
    {
        return inherited->font;
    }
    const QFontMetrics &fontMetrics() const
    {
        return inherited->font.cfi->fm;
    }

    const QColor &color() const
    {
        return inherited->color;
    }
    Length textIndent() const
    {
        return inherited->indent;
    }
    ETextAlign textAlign() const
    {
        return KDE_CAST_BF_ENUM(ETextAlign, inherited_flags.f._text_align);
    }
    ETextTransform textTransform() const
    {
        return KDE_CAST_BF_ENUM(ETextTransform, inherited_flags.f._text_transform);
    }
    int textDecorationsInEffect() const
    {
        return inherited_flags.f._text_decorations;
    }
    int textDecoration() const
    {
        return visual->textDecoration;
    }
    int wordSpacing() const
    {
        return inherited->font.wordSpacing;
    }
    int letterSpacing() const
    {
        return inherited->font.letterSpacing;
    }

    EDirection direction() const
    {
        return KDE_CAST_BF_ENUM(EDirection, inherited_flags.f._direction);
    }
    Length lineHeight() const
    {
        return inherited->line_height;
    }

    EWhiteSpace whiteSpace() const
    {
        return KDE_CAST_BF_ENUM(EWhiteSpace, inherited_flags.f._white_space);
    }
    bool autoWrap() const
    {
        if (whiteSpace() == NORMAL || whiteSpace() == PRE_WRAP || whiteSpace() == PRE_LINE) {
            return true;
        }
        // nowrap | pre
        return false;
    }
    bool preserveLF() const
    {
        if (whiteSpace() == PRE || whiteSpace() == PRE_WRAP || whiteSpace() == PRE_LINE) {
            return true;
        }
        // normal | nowrap
        return false;
    }
    bool preserveWS() const
    {
        if (whiteSpace() == PRE || whiteSpace() == PRE_WRAP) {
            return true;
        }
        // normal | nowrap | pre-line
        return false;
    }

    const QColor &backgroundColor() const
    {
        return background->m_color;
    }
    CachedImage *backgroundImage() const
    {
        return background->m_background.m_image;
    }
    EBackgroundRepeat backgroundRepeat() const
    {
        return static_cast<EBackgroundRepeat>(background->m_background.m_bgRepeat);
    }
    EBackgroundAttachment backgroundAttachment() const
    {
        return KDE_CAST_BF_ENUM(EBackgroundAttachment, background->m_background.m_bgAttachment);
    }
    Length backgroundXPosition() const
    {
        return background->m_background.m_xPosition;
    }
    Length backgroundYPosition() const
    {
        return background->m_background.m_yPosition;
    }
    BackgroundLayer *accessBackgroundLayers()
    {
        return &(background.access()->m_background);
    }
    const BackgroundLayer *backgroundLayers() const
    {
        return &(background->m_background);
    }

    // returns true for collapsing borders, false for separate borders
    bool borderCollapse() const
    {
        return inherited_flags.f._border_collapse;
    }
    short borderHorizontalSpacing() const
    {
        return inherited->border_hspacing;
    }
    short borderVerticalSpacing() const
    {
        return inherited->border_vspacing;
    }
    EEmptyCell emptyCells() const
    {
        return KDE_CAST_BF_ENUM(EEmptyCell, inherited_flags.f._empty_cells);
    }
    ECaptionSide captionSide() const
    {
        return KDE_CAST_BF_ENUM(ECaptionSide, inherited_flags.f._caption_side);
    }

    EListStyleType listStyleType() const
    {
        return KDE_CAST_BF_ENUM(EListStyleType, inherited_flags.f._list_style_type);
    }
    CachedImage *listStyleImage() const
    {
        return inherited->style_image;
    }
    EListStylePosition listStylePosition() const
    {
        return KDE_CAST_BF_ENUM(EListStylePosition, inherited_flags.f._list_style_position);
    }

    Length marginTop() const
    {
        return surround->margin.top;
    }
    Length marginBottom() const
    {
        return surround->margin.bottom;
    }
    Length marginLeft() const
    {
        return surround->margin.left;
    }
    Length marginRight() const
    {
        return surround->margin.right;
    }

    Length paddingTop() const
    {
        return surround->padding.top;
    }
    Length paddingBottom() const
    {
        return surround->padding.bottom;
    }
    Length paddingLeft() const
    {
        return surround->padding.left;
    }
    Length paddingRight() const
    {
        return surround->padding.right;
    }

    ECursor cursor() const
    {
        return KDE_CAST_BF_ENUM(ECursor, inherited_flags.f._cursor_style);
    }

    short widows() const
    {
        return inherited->widows;
    }
    short orphans() const
    {
        return inherited->orphans;
    }
    bool pageBreakInside() const
    {
        return inherited_flags.f._page_break_inside;
    }
    EPageBreak pageBreakBefore() const
    {
        return KDE_CAST_BF_ENUM(EPageBreak, noninherited_flags.f._page_break_before);
    }
    EPageBreak pageBreakAfter() const
    {
        return KDE_CAST_BF_ENUM(EPageBreak, noninherited_flags.f._page_break_after);
    }

    DOM::QuotesValueImpl *quotes() const
    {
        return inherited->quotes;
    }
    QString openQuote(int level) const;
    QString closeQuote(int level) const;

    // CSS3 Getter Methods
    EBoxSizing boxSizing() const
    {
        return box->box_sizing;
    }
    int outlineOffset() const
    {
        if (background->m_outline.style == BNONE || background->m_outline.style == BHIDDEN) {
            return 0;
        }
        return background->m_outline._offset;
    }
    ShadowData *textShadow() const
    {
        return css3InheritedData->textShadow;
    }
    EWordWrap wordWrap() const
    {
        return KDE_CAST_BF_ENUM(EWordWrap, css3InheritedData->wordWrap);
    }
    float opacity() const
    {
        return css3NonInheritedData->opacity;
    }
    EUserInput userInput() const
    {
        return KDE_CAST_BF_ENUM(EUserInput, inherited_flags.f._user_input);
    }

    Length marqueeIncrement() const
    {
        return css3NonInheritedData->marquee->increment;
    }
    int marqueeSpeed() const
    {
        return css3NonInheritedData->marquee->speed;
    }
    int marqueeLoopCount() const
    {
        return css3NonInheritedData->marquee->loops;
    }
    EMarqueeBehavior marqueeBehavior() const
    {
        return css3NonInheritedData->marquee->behavior;
    }
    EMarqueeDirection marqueeDirection() const
    {
        return css3NonInheritedData->marquee->direction;
    }
    bool textOverflow() const
    {
        return noninherited_flags.f._textOverflow;
    }

    bool hasBorderRadius() const
    {
        return css3NonInheritedData->borderRadius->hasBorderRadius();
    }
    BorderRadii borderTopRightRadius() const
    {
        return css3NonInheritedData->borderRadius->topRight;
    }
    BorderRadii borderTopLeftRadius() const
    {
        return css3NonInheritedData->borderRadius->topLeft;
    }
    BorderRadii borderBottomRightRadius() const
    {
        return css3NonInheritedData->borderRadius->bottomRight;
    }
    BorderRadii borderBottomLeftRadius() const
    {
        return css3NonInheritedData->borderRadius->bottomLeft;
    }
    // End CSS3 Getters

// attribute setter methods

    void setDisplay(EDisplay v)
    {
        noninherited_flags.f._display = v;
    }
    void setOriginalDisplay(EDisplay v)
    {
        noninherited_flags.f._originalDisplay = v;
    }
    void setPosition(EPosition v)
    {
        noninherited_flags.f._position = v;
    }
    void setFloating(EFloat v)
    {
        noninherited_flags.f._floating = v;
    }

    void setLeft(Length v)
    {
        SET_VAR(surround, offset.left, v)
    }
    void setRight(Length v)
    {
        SET_VAR(surround, offset.right, v)
    }
    void setTop(Length v)
    {
        SET_VAR(surround, offset.top, v)
    }
    void setBottom(Length v)
    {
        SET_VAR(surround, offset.bottom, v)
    }

    void setWidth(Length v)
    {
        SET_VAR(box, width, v)
    }
    void setHeight(Length v)
    {
        SET_VAR(box, height, v)
    }

    void setMinWidth(Length v)
    {
        SET_VAR(box, min_width, v)
    }
    void setMaxWidth(Length v)
    {
        SET_VAR(box, max_width, v)
    }
    void setMinHeight(Length v)
    {
        SET_VAR(box, min_height, v)
    }
    void setMaxHeight(Length v)
    {
        SET_VAR(box, max_height, v)
    }

    void resetBorderTop()
    {
        SET_VAR(surround, border.top, BorderValue())
    }
    void resetBorderRight()
    {
        SET_VAR(surround, border.right, BorderValue())
    }
    void resetBorderBottom()
    {
        SET_VAR(surround, border.bottom, BorderValue())
    }
    void resetBorderLeft()
    {
        SET_VAR(surround, border.left, BorderValue())
    }
    void resetOutline()
    {
        SET_VAR(background, m_outline, OutlineValue())
    }

    void setBackgroundColor(const QColor &v)
    {
        SET_VAR(background, m_color, v)
    }

    void setBorderLeftWidth(unsigned short v)
    {
        SET_VAR(surround, border.left.width, v)
    }
    void setBorderLeftStyle(EBorderStyle v)
    {
        SET_VAR(surround, border.left.style, v)
    }
    void setBorderLeftColor(const QColor &v)
    {
        SET_VAR(surround, border.left.color, v)
    }
    void setBorderRightWidth(unsigned short v)
    {
        SET_VAR(surround, border.right.width, v)
    }
    void setBorderRightStyle(EBorderStyle v)
    {
        SET_VAR(surround, border.right.style, v)
    }
    void setBorderRightColor(const QColor &v)
    {
        SET_VAR(surround, border.right.color, v)
    }
    void setBorderTopWidth(unsigned short v)
    {
        SET_VAR(surround, border.top.width, v)
    }
    void setBorderTopStyle(EBorderStyle v)
    {
        SET_VAR(surround, border.top.style, v)
    }
    void setBorderTopColor(const QColor &v)
    {
        SET_VAR(surround, border.top.color, v)
    }
    void setBorderBottomWidth(unsigned short v)
    {
        SET_VAR(surround, border.bottom.width, v)
    }
    void setBorderBottomStyle(EBorderStyle v)
    {
        SET_VAR(surround, border.bottom.style, v)
    }
    void setBorderBottomColor(const QColor &v)
    {
        SET_VAR(surround, border.bottom.color, v)
    }
    void setOutlineWidth(unsigned short v)
    {
        SET_VAR(background, m_outline.width, v)
    }
    void setOutlineStyle(EBorderStyle v, bool isAuto = false)
    {
        SET_VAR(background, m_outline.style, v)
        SET_VAR(background, m_outline._auto, isAuto)
    }
    void setOutlineColor(const QColor &v)
    {
        SET_VAR(background, m_outline.color, v)
    }

    void setOverflowX(EOverflow v)
    {
        noninherited_flags.f._overflowX = v;
    }
    void setOverflowY(EOverflow v)
    {
        noninherited_flags.f._overflowY = v;
    }
    void setVisibility(EVisibility v)
    {
        inherited_flags.f._visibility = v;
    }
    void setVerticalAlign(EVerticalAlign v)
    {
        noninherited_flags.f._vertical_align = v;
    }
    void setVerticalAlignLength(Length l)
    {
        SET_VAR(box, vertical_align, l)
    }

    void setClipLeft(Length v)
    {
        SET_VAR(visual, clip.left, v)
    }
    void setClipRight(Length v)
    {
        SET_VAR(visual, clip.right, v)
    }
    void setClipTop(Length v)
    {
        SET_VAR(visual, clip.top, v)
    }
    void setClipBottom(Length v)
    {
        SET_VAR(visual, clip.bottom, v)
    }
    void setClip(Length top, Length right, Length bottom, Length left);
    void setHasClip(bool b)
    {
        noninherited_flags.f._hasClip = b;
    }

    void setUnicodeBidi(EUnicodeBidi b)
    {
        noninherited_flags.f._unicodeBidi = b;
    }

    void setClear(EClear v)
    {
        noninherited_flags.f._clear = v;
    }
    void setTableLayout(ETableLayout v)
    {
        noninherited_flags.f._table_layout = v;
    }
    bool setFontDef(const khtml::FontDef &v)
    {
        // bah, this doesn't compare pointers. broken! (Dirk)
        if (!(inherited->font.fontDef == v)) {
            inherited.access()->font = Font(v);
            return true;
        }
        return false;
    }

    void setColor(const QColor &v)
    {
        SET_VAR(inherited, color, v)
    }
    void setTextIndent(Length v)
    {
        SET_VAR(inherited, indent, v)
    }
    void setTextAlign(ETextAlign v)
    {
        inherited_flags.f._text_align = v;
    }
    void setTextTransform(ETextTransform v)
    {
        inherited_flags.f._text_transform = v;
    }
    void addToTextDecorationsInEffect(int v)
    {
        inherited_flags.f._text_decorations |= v;
    }
    void setTextDecorationsInEffect(int v)
    {
        inherited_flags.f._text_decorations = v;
    }
    void setTextDecoration(unsigned v)
    {
        SET_VAR(visual, textDecoration, v);
    }
    void setDirection(EDirection v)
    {
        inherited_flags.f._direction = v;
    }
    void setLineHeight(Length v)
    {
        SET_VAR(inherited, line_height, v)
    }

    void setWhiteSpace(EWhiteSpace v)
    {
        inherited_flags.f._white_space = v;
    }

    void setWordSpacing(int v)
    {
        SET_VAR(inherited, font.wordSpacing, v)
    }
    void setLetterSpacing(int v)
    {
        SET_VAR(inherited, font.letterSpacing, v)
    }

    void clearBackgroundLayers()
    {
        background.access()->m_background = BackgroundLayer();
    }
    void inheritBackgroundLayers(const BackgroundLayer &parent)
    {
        background.access()->m_background = parent;
    }
    void adjustBackgroundLayers();

    void setBorderCollapse(bool collapse)
    {
        inherited_flags.f._border_collapse = collapse;
    }
    void setBorderHorizontalSpacing(short v)
    {
        SET_VAR(inherited, border_hspacing, v)
    }
    void setBorderVerticalSpacing(short v)
    {
        SET_VAR(inherited, border_vspacing, v)
    }

    void setEmptyCells(EEmptyCell v)
    {
        inherited_flags.f._empty_cells = v;
    }
    void setCaptionSide(ECaptionSide v)
    {
        inherited_flags.f._caption_side = v;
    }

    void setListStyleType(EListStyleType v)
    {
        inherited_flags.f._list_style_type = v;
    }
    void setListStyleImage(CachedImage *v)
    {
        SET_VAR(inherited, style_image, v)
    }
    void setListStylePosition(EListStylePosition v)
    {
        inherited_flags.f._list_style_position = v;
    }

    void resetMargin()
    {
        SET_VAR(surround, margin, LengthBox(Fixed))
    }
    void setMarginTop(Length v)
    {
        SET_VAR(surround, margin.top, v)
    }
    void setMarginBottom(Length v)
    {
        SET_VAR(surround, margin.bottom, v)
    }
    void setMarginLeft(Length v)
    {
        SET_VAR(surround, margin.left, v)
    }
    void setMarginRight(Length v)
    {
        SET_VAR(surround, margin.right, v)
    }

    void resetPadding()
    {
        SET_VAR(surround, padding, LengthBox(Auto))
    }
    void setPaddingTop(Length v)
    {
        SET_VAR(surround, padding.top, v)
    }
    void setPaddingBottom(Length v)
    {
        SET_VAR(surround, padding.bottom, v)
    }
    void setPaddingLeft(Length v)
    {
        SET_VAR(surround, padding.left, v)
    }
    void setPaddingRight(Length v)
    {
        SET_VAR(surround, padding.right, v)
    }

    void setCursor(ECursor c)
    {
        inherited_flags.f._cursor_style = c;
    }

    bool htmlHacks() const
    {
        return inherited_flags.f._htmlHacks;
    }
    void setHtmlHacks(bool b = true)
    {
        inherited_flags.f._htmlHacks = b;
    }

    bool flowAroundFloats() const
    {
        return  noninherited_flags.f._flowAroundFloats;
    }
    void setFlowAroundFloats(bool b = true)
    {
        noninherited_flags.f._flowAroundFloats = b;
    }

    int zIndex() const
    {
        return box->z_auto ? 0 : box->z_index;
    }
    void setZIndex(int v)
    {
        SET_VAR(box, z_auto, false);
        SET_VAR(box, z_index, v);
    }
    bool hasAutoZIndex() const
    {
        return box->z_auto;
    }
    void setHasAutoZIndex()
    {
        SET_VAR(box, z_auto, true);
    }

    void setWidows(short w)
    {
        SET_VAR(inherited, widows, w);
    }
    void setOrphans(short o)
    {
        SET_VAR(inherited, orphans, o);
    }
    void setPageBreakInside(bool b)
    {
        inherited_flags.f._page_break_inside = b;
    }
    void setPageBreakBefore(EPageBreak b)
    {
        noninherited_flags.f._page_break_before = b;
    }
    void setPageBreakAfter(EPageBreak b)
    {
        noninherited_flags.f._page_break_after = b;
    }

    void setQuotes(DOM::QuotesValueImpl *q);

    // CSS3 Setters
    void setBoxSizing(EBoxSizing b)
    {
        SET_VAR(box, box_sizing, b);
    }
    void setOutlineOffset(unsigned short v)
    {
        SET_VAR(background, m_outline._offset, v)
    }
    void setWordWrap(EWordWrap w)
    {
        SET_VAR(css3InheritedData, wordWrap, w);
    }
    void setTextShadow(ShadowData *val, bool add = false);
    void setOpacity(float f)
    {
        SET_VAR(css3NonInheritedData, opacity, f);
    }
    void setUserInput(EUserInput ui)
    {
        inherited_flags.f._user_input = ui;
    }

    void setMarqueeIncrement(const Length &f)
    {
        SET_VAR(css3NonInheritedData.access()->marquee, increment, f);
    }
    void setMarqueeSpeed(int f)
    {
        SET_VAR(css3NonInheritedData.access()->marquee, speed, f);
    }
    void setMarqueeDirection(EMarqueeDirection d)
    {
        SET_VAR(css3NonInheritedData.access()->marquee, direction, d);
    }
    void setMarqueeBehavior(EMarqueeBehavior b)
    {
        SET_VAR(css3NonInheritedData.access()->marquee, behavior, b);
    }
    void setMarqueeLoopCount(int i)
    {
        SET_VAR(css3NonInheritedData.access()->marquee, loops, i);
    }
    void setTextOverflow(bool b)
    {
        noninherited_flags.f._textOverflow = b;
    }

    void setBorderTopRightRadius(const BorderRadii &r)
    {
        SET_VAR(css3NonInheritedData.access()->borderRadius, topRight, r);
    }

    void setBorderTopLeftRadius(const BorderRadii &r)
    {
        SET_VAR(css3NonInheritedData.access()->borderRadius, topLeft, r);
    }

    void setBorderBottomRightRadius(const BorderRadii &r)
    {
        SET_VAR(css3NonInheritedData.access()->borderRadius, bottomRight, r);
    }

    void setBorderBottomLeftRadius(const BorderRadii &r)
    {
        SET_VAR(css3NonInheritedData.access()->borderRadius, bottomLeft, r);
    }

    // End CSS3 Setters

    QPalette palette() const
    {
        return visual->palette;
    }
    void setPaletteColor(QPalette::ColorGroup g, QPalette::ColorRole r, const QColor &c);
    void resetPalette() // Called when the desktop color scheme changes.
    {
        const_cast<StyleVisualData *>(visual.get())->palette = QApplication::palette();
    }

    bool useNormalContent() const
    {
        return generated->content == 0;
    }
    ContentData *contentData() const
    {
        return generated->content;
    }
    bool contentDataEquivalent(const RenderStyle *otherStyle) const
    {
        return generated->contentDataEquivalent(otherStyle->generated.get());
    }
    void addContent(DOM::DOMStringImpl *s);
    void addContent(CachedObject *o);
    void addContent(DOM::CounterImpl *c);
    void addContent(EQuoteContent q);
    void setContentNone();
    void setContentNormal();
    void setContentData(ContentData *content);

    DOM::CSSValueListImpl *counterReset() const
    {
        return generated->counter_reset;
    }
    DOM::CSSValueListImpl *counterIncrement() const
    {
        return generated->counter_increment;
    }
    void setCounterReset(DOM::CSSValueListImpl *v);
    void setCounterIncrement(DOM::CSSValueListImpl *v);
    bool hasCounterReset(const DOM::DOMString &c) const;
    bool hasCounterIncrement(const DOM::DOMString &c) const;
    short counterReset(const DOM::DOMString &c) const;
    short counterIncrement(const DOM::DOMString &c) const;

    bool inheritedNotEqual(RenderStyle *other) const;

    enum Diff { Equal, NonVisible = Equal, Visible, Position, Layout, CbLayout };
    Diff diff(const RenderStyle *other) const;

    bool isDisplayReplacedType()
    {
        return display() == INLINE_BLOCK ||/* display() == INLINE_BOX ||*/ display() == INLINE_TABLE;
    }
    bool isDisplayInlineType()
    {
        return display() == INLINE || isDisplayReplacedType();
    }
    bool isOriginalDisplayInlineType()
    {
        return originalDisplay() == INLINE || originalDisplay() == INLINE_BLOCK ||
               /*originalDisplay() == INLINE_BOX ||*/ originalDisplay() == INLINE_TABLE;
    }

    bool inheritedNoninherited() const
    {
        return noninherited_flags.f._inherited_noninherited;
    }
    void setInheritedNoninherited(bool b)
    {
        noninherited_flags.f._inherited_noninherited = b;
    }

#ifdef ENABLE_DUMP
    QString createDiff(const RenderStyle &parent) const;
#endif

    // Initial values for all the properties
    static EBackgroundAttachment initialBackgroundAttachment()
    {
        return BGASCROLL;
    }
    static EBackgroundBox initialBackgroundClip()
    {
        return BGBORDER;
    }
    static EBackgroundBox initialBackgroundOrigin()
    {
        return BGPADDING;
    }
    static EBackgroundRepeat initialBackgroundRepeat()
    {
        return REPEAT;
    }
    static LengthSize initialBackgroundSize()
    {
        return LengthSize();
    }
    static EBackgroundSizeType initialBackgroundSizeType()
    {
        return BGSLENGTH;
    }
    static bool initialBorderCollapse()
    {
        return false;
    }
    static EBorderStyle initialBorderStyle()
    {
        return BNONE;
    }
    static ECaptionSide initialCaptionSide()
    {
        return CAPTOP;
    }
    static EClear initialClear()
    {
        return CNONE;
    }
    static EDirection initialDirection()
    {
        return LTR;
    }
    static EDisplay initialDisplay()
    {
        return INLINE;
    }
    static EEmptyCell initialEmptyCells()
    {
        return SHOW;
    }
    static EFloat initialFloating()
    {
        return FNONE;
    }
    static EWordWrap initialWordWrap()
    {
        return WWNORMAL;
    }
    static EListStylePosition initialListStylePosition()
    {
        return OUTSIDE;
    }
    static EListStyleType initialListStyleType()
    {
        return LDISC;
    }
    static EOverflow initialOverflowX()
    {
        return OVISIBLE;
    }
    static EOverflow initialOverflowY()
    {
        return OVISIBLE;
    }
    static EPageBreak initialPageBreak()
    {
        return PBAUTO;
    }
    static bool initialPageBreakInside()
    {
        return true;
    }
    static EPosition initialPosition()
    {
        return PSTATIC;
    }
    static ETableLayout initialTableLayout()
    {
        return TAUTO;
    }
    static EUnicodeBidi initialUnicodeBidi()
    {
        return UBNormal;
    }
    static DOM::QuotesValueImpl *initialQuotes()
    {
        return 0;
    }
    static EBoxSizing initialBoxSizing()
    {
        return CONTENT_BOX;
    }
    static ETextTransform initialTextTransform()
    {
        return TTNONE;
    }
    static EVisibility initialVisibility()
    {
        return VISIBLE;
    }
    static EWhiteSpace initialWhiteSpace()
    {
        return NORMAL;
    }
    static Length initialBackgroundXPosition()
    {
        return Length();
    }
    static Length initialBackgroundYPosition()
    {
        return Length();
    }
    static short initialBorderHorizontalSpacing()
    {
        return 0;
    }
    static short initialBorderVerticalSpacing()
    {
        return 0;
    }
    static ECursor initialCursor()
    {
        return CURSOR_AUTO;
    }
    static QColor initialColor()
    {
        return Qt::black;
    }
    static CachedImage *initialBackgroundImage()
    {
        return 0;
    }
    static CachedImage *initialListStyleImage()
    {
        return 0;
    }
    static unsigned short initialBorderWidth()
    {
        return 3;
    }
    static int initialLetterWordSpacing()
    {
        return 0;
    }
    static Length initialSize()
    {
        return Length();
    }
    static Length initialMinSize()
    {
        return Length(0, Fixed);
    }
    static Length initialMaxSize()
    {
        return Length(UNDEFINED, Fixed);
    }
    static Length initialOffset()
    {
        return Length();
    }
    static Length initialMargin()
    {
        return Length(Fixed);
    }
    static Length initialPadding()
    {
        return Length(Auto);
    }
    static Length initialTextIndent()
    {
        return Length(Fixed);
    }
    static EVerticalAlign initialVerticalAlign()
    {
        return BASELINE;
    }
    static int initialWidows()
    {
        return 2;
    }
    static int initialOrphans()
    {
        return 2;
    }
    static Length initialLineHeight()
    {
        return Length(-100.0, Percent);
    }
    static ETextAlign initialTextAlign()
    {
        return TAAUTO;
    }
    static ETextDecoration initialTextDecoration()
    {
        return TDNONE;
    }
    static bool initialFlowAroundFloats()
    {
        return false;
    }
    static int initialOutlineOffset()
    {
        return 0;
    }
    static float initialOpacity()
    {
        return 1.0f;
    }
    static int initialMarqueeLoopCount()
    {
        return -1;
    }
    static int initialMarqueeSpeed()
    {
        return 85;
    }
    static Length initialMarqueeIncrement()
    {
        return Length(6, Fixed);
    }
    static EMarqueeBehavior initialMarqueeBehavior()
    {
        return MSCROLL;
    }
    static EMarqueeDirection initialMarqueeDirection()
    {
        return MAUTO;
    }
    static bool initialTextOverflow()
    {
        return false;
    }

    // SVG
    const khtml::SVGRenderStyle *svgStyle() const
    {
        return m_svgStyle.get();
    }
    khtml::SVGRenderStyle *accessSVGStyle()
    {
        return m_svgStyle.access();
    }
};

class RenderPageStyle
{
    friend class CSSStyleSelector;
public:
    enum PageType { NO_PAGE = 0, ANY_PAGE, FIRST_PAGE, LEFT_PAGES, RIGHT_PAGES };

    RenderPageStyle();
    ~RenderPageStyle();

    PageType pageType()
    {
        return m_pageType;
    }

    RenderPageStyle *getPageStyle(PageType type);
    RenderPageStyle *addPageStyle(PageType type);
    void removePageStyle(PageType type);

    Length marginTop()    const
    {
        return margin.top;
    }
    Length marginBottom() const
    {
        return margin.bottom;
    }
    Length marginLeft()   const
    {
        return margin.left;
    }
    Length marginRight()  const
    {
        return margin.right;
    }

    Length pageWidth()  const
    {
        return m_pageWidth;
    }
    Length pageHeight() const
    {
        return m_pageHeight;
    }

    void setMarginTop(Length v)
    {
        margin.top = v;
    }
    void setMarginBottom(Length v)
    {
        margin.bottom = v;
    }
    void setMarginLeft(Length v)
    {
        margin.left = v;
    }
    void setMarginRight(Length v)
    {
        margin.right = v;
    }

    void setPageWidth(Length v)
    {
        m_pageWidth = v;
    }
    void setPageHeight(Length v)
    {
        m_pageHeight = v;
    }

protected:
    RenderPageStyle *next;
    PageType m_pageType;

    LengthBox margin;
    Length m_pageWidth;
    Length m_pageHeight;
};

} // namespace

#endif

