render_style.h

It is WEB browser core module with source code. Very good!

        bool operator!=( const NonInheritedFlags &other ) const {
            return !(*this == other);
        }
        
        EDisplay _effectiveDisplay : 5;
        EDisplay _originalDisplay : 5;
        EBackgroundRepeat _bg_repeat : 2;
        EOverflow _overflow : 4 ;
        EVerticalAlign _vertical_align : 4;
        EClear _clear : 2;
        EPosition _position : 2;
        EFloat _floating : 2;
        ETableLayout _table_layout : 1;
        
        EPageBreak _page_break_before : 2;
        EPageBreak _page_break_after : 2;

        PseudoId _styleType : 3;
        bool _affectedByHover : 1;
        bool _affectedByActive : 1;
        bool _affectedByDrag : 1;
        int _pseudoBits : 6;
        EUnicodeBidi _unicodeBidi : 2;
    } noninherited_flags;

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

// inherited attributes
    DataRef<StyleCSS3InheritedData> css3InheritedData;
    DataRef<StyleInheritedData> inherited;
    
// list of associated pseudo styles
    RenderStyle* pseudoStyle;
    
    // added this here, so we can get rid of the vptr in this class.
    // makes up for the same size.
    ContentData *content;

    PseudoState m_pseudoState : 3;
    bool m_affectedByAttributeSelectors : 1;
    
    int m_ref;
    
// !END SYNC!

// static default style
    static RenderStyle* _default;

protected:
    void setBitDefaults()
    {
	inherited_flags._empty_cells = initialEmptyCells();
	inherited_flags._caption_side = initialCaptionSide();
	inherited_flags._list_style_type = initialListStyleType();
	inherited_flags._list_style_position = initialListStylePosition();
	inherited_flags._visibility = initialVisibility();
	inherited_flags._text_align = initialTextAlign();
	inherited_flags._text_transform = initialTextTransform();
	inherited_flags._text_decorations = initialTextDecoration();
	inherited_flags._cursor_style = initialCursor();
	inherited_flags._direction = initialDirection();
	inherited_flags._border_collapse = initialBorderCollapse();
	inherited_flags._white_space = initialWhiteSpace();
	inherited_flags._visuallyOrdered = false;
	inherited_flags._htmlHacks=false;
        inherited_flags._box_direction = initialBoxDirection();
        inherited_flags._force_backgrounds_to_white = false;
        
	noninherited_flags._effectiveDisplay = noninherited_flags._originalDisplay = initialDisplay();
	noninherited_flags._overflow = initialOverflow();
	noninherited_flags._vertical_align = initialVerticalAlign();
	noninherited_flags._clear = initialClear();
	noninherited_flags._position = initialPosition();
	noninherited_flags._floating = initialFloating();
	noninherited_flags._table_layout = initialTableLayout();
        noninherited_flags._page_break_before = initialPageBreak();
        noninherited_flags._page_break_after = initialPageBreak();
	noninherited_flags._styleType = NOPSEUDO;
        noninherited_flags._affectedByHover = false;
        noninherited_flags._affectedByActive = false;
        noninherited_flags._affectedByDrag = false;
        noninherited_flags._pseudoBits = 0;
	noninherited_flags._unicodeBidi = initialUnicodeBidi();
    }

public:

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

    ~RenderStyle();

    void inheritFrom(const RenderStyle* inheritParent);

    PseudoId styleType() { return  noninherited_flags._styleType; }

    RenderStyle* getPseudoStyle(PseudoId pi);
    void addPseudoStyle(RenderStyle* pseudo);

    bool affectedByHoverRules() const { return  noninherited_flags._affectedByHover; }
    bool affectedByActiveRules() const { return  noninherited_flags._affectedByActive; }
    bool affectedByDragRules() const { return  noninherited_flags._affectedByDrag; }

    void setAffectedByHoverRules(bool b) {  noninherited_flags._affectedByHover = b; }
    void setAffectedByActiveRules(bool b) {  noninherited_flags._affectedByActive = b; }
    void setAffectedByDragRules(bool b) {  noninherited_flags._affectedByDrag = b; }
 
    bool operator==(const RenderStyle& other) const;
    bool        isFloating() const { return !(noninherited_flags._floating == FNONE); }
    bool        hasMargin() const { return surround->margin.nonZero(); }
    bool        hasBorder() const { return surround->border.hasBorder(); }
    bool        hasOffset() const { return surround->offset.nonZero(); }

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

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

    bool isStyleAvailable() const;
    
    bool hasPseudoStyle(PseudoId pseudo) const;
    void setHasPseudoStyle(PseudoId pseudo);
    
// attribute getter methods

    EDisplay 	display() const { return noninherited_flags._effectiveDisplay; }
    EDisplay    originalDisplay() const { return noninherited_flags._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  noninherited_flags._position; }
    EFloat  	floating() const { return  noninherited_flags._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 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
    { if( surround->border.left.style == BNONE || surround->border.left.style == BHIDDEN) return 0; return surround->border.left.width; }
    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
    { if (surround->border.right.style == BNONE || surround->border.right.style == BHIDDEN) return 0; return surround->border.right.width; }
    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
    { if(surround->border.top.style == BNONE || surround->border.top.style == BHIDDEN) return 0; return surround->border.top.width; }
    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
    { if(surround->border.bottom.style == BNONE || surround->border.bottom.style == BHIDDEN) return 0; return surround->border.bottom.width; }
    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; 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 overflow() const { return  noninherited_flags._overflow; }
    EVisibility visibility() const { return inherited_flags._visibility; }
    EVerticalAlign verticalAlign() const { return  noninherited_flags._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 visual->hasClip; }
    
    EUnicodeBidi unicodeBidi() const { return noninherited_flags._unicodeBidi; }

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

    short colSpan() const { return visual->colspan; }

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

    const QColor & color() const { return inherited->color; }
    Length textIndent() const { return inherited->indent; }
    ETextAlign textAlign() const { return inherited_flags._text_align; }
    ETextTransform textTransform() const { return inherited_flags._text_transform; }
    int textDecorationsInEffect() const { return inherited_flags._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 inherited_flags._direction; }
    Length lineHeight() const { return inherited->line_height; }

    EWhiteSpace whiteSpace() const { return inherited_flags._white_space; }

    const QColor & backgroundColor() const { return background->m_color; }
    CachedImage *backgroundImage() const { return background->m_background.m_image; }
    EBackgroundRepeat backgroundRepeat() const { return background->m_background.m_bgRepeat; }
    bool backgroundAttachment() const { return 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._border_collapse; }
    short horizontalBorderSpacing() const { return inherited->horizontal_border_spacing; }
    short verticalBorderSpacing() const { return inherited->vertical_border_spacing; }
    EEmptyCell emptyCells() const { return inherited_flags._empty_cells; }
    ECaptionSide captionSide() const { return inherited_flags._caption_side; }

    short counterIncrement() const { return visual->counter_increment; }
    short counterReset() const { return visual->counter_reset; }

    EListStyleType listStyleType() const { return inherited_flags._list_style_type; }
    CachedImage *listStyleImage() const { return inherited->style_image; }
    EListStylePosition listStylePosition() const { return inherited_flags._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 inherited_flags._cursor_style; }
    
    CachedImage *cursorImage() const { return inherited->cursor_image; }

    short widows() const { return inherited->widows; }
    short orphans() const { return inherited->orphans; }
    EPageBreak pageBreakInside() const { return inherited->page_break_inside; }
    EPageBreak pageBreakBefore() const { return noninherited_flags._page_break_before; }
    EPageBreak pageBreakAfter() const { return noninherited_flags._page_break_after; }
    
    // CSS3 Getter Methods
#ifndef KHTML_NO_XBL
    BindingURI* bindingURIs() const { return css3NonInheritedData->bindingURI; }
#endif
    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; }
    float opacity() const { return css3NonInheritedData->opacity; }
    EBoxAlignment boxAlign() const { return css3NonInheritedData->flexibleBox->align; }
    EBoxDirection boxDirection() const { return inherited_flags._box_direction; }
    float boxFlex() { return css3NonInheritedData->flexibleBox->flex; }
    unsigned int boxFlexGroup() const { return css3NonInheritedData->flexibleBox->flex_group; }
    EBoxLines boxLines() { return css3NonInheritedData->flexibleBox->lines; }
    unsigned int boxOrdinalGroup() const { return css3NonInheritedData->flexibleBox->ordinal_group; }
    EBoxOrient boxOrient() const { return css3NonInheritedData->flexibleBox->orient; }
    EBoxAlignment boxPack() const { return css3NonInheritedData->flexibleBox->pack; }
    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; }
    EUserModify userModify() const { return css3InheritedData->userModify; }
    EUserDrag userDrag() const { return css3NonInheritedData->userDrag; }
    EUserSelect userSelect() const { return css3NonInheritedData->userSelect; }
    bool textOverflow() const { return css3NonInheritedData->textOverflow; }
    EMarginCollapse marginTopCollapse() const { return css3NonInheritedData->marginTopCollapse; }
    EMarginCollapse marginBottomCollapse() const { return css3NonInheritedData->marginBottomCollapse; }
    EWordWrap wordWrap() const { return css3InheritedData->wordWrap; }
    ENBSPMode nbspMode() const { return css3InheritedData->nbspMode; }
    EKHTMLLineBreak khtmlLineBreak() const { return css3InheritedData->khtmlLineBreak; }
    EMatchNearestMailBlockquoteColor matchNearestMailBlockquoteColor() const { return css3NonInheritedData->matchNearestMailBlockquoteColor; }
    // End CSS3 Getters

#if APPLE_CHANGES
    // Apple-specific property getter methods
    int lineClamp() const { return css3NonInheritedData->lineClamp; }
    bool textSizeAdjust() const { return css3InheritedData->textSizeAdjust; }
#endif

// attribute setter methods

    void setDisplay(EDisplay v) {  noninherited_flags._effectiveDisplay = v; }
    void setOriginalDisplay(EDisplay v) {  noninherited_flags._originalDisplay = v; }
    void setPosition(EPosition v) {  noninherited_flags._position = v; }
    void setFloating(EFloat v) {  noninherited_flags._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) }