# khtml Library API Documentation

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# render_html.cpp

    00001
    00023 #include "rendering/render_html.h"
    00024 #include "rendering/render_root.h"
    00025 #include "html/html_elementimpl.h"
    00026
    00027 #include "khtmlview.h"
    00028
    00029 #include <kdebug.h>
    00030
    00031 using namespace khtml;
    00032
    00033 RenderHtml::RenderHtml(DOM::HTMLElementImpl* node)
    00034     : RenderFlow(node)
    00035 {
    00036 }
    00037
    00038 RenderHtml::~RenderHtml()
    00039 {
    00040 }
    00041
    00042 void RenderHtml::setStyle(RenderStyle *style)
    00043 {
    00044     RenderFlow::setStyle(style);
    00045     setSpecialObjects(true);
    00046 }
    00047
    00048 void RenderHtml::paint(QPainter *p, int _x, int _y, int _w, int _h, int _tx, int _ty)
    00049 {
    00050     _tx += m_x;
    00051     _ty += m_y;
    00052
    00053     //kdDebug(0) << "html:paint " << _tx << "/" << _ty << endl;
    00054     paintObject(p, _x, _y, _w, _h, _tx, _ty);
    00055 }
    00056
    00057 void RenderHtml::paintBoxDecorations(QPainter *p,int, int _y,
    00058                                        int, int _h, int _tx, int _ty)
    00059 {
    00060     //kdDebug( 6040 ) << renderName() << "::paintDecorations()" << _tx << "/" << _ty << endl;
    00061
    00062     QColor c = style()->backgroundColor();
    00063     CachedImage *bg = style()->backgroundImage();
    00064
    00065     if( firstChild() ) {
    00066         if( !c.isValid() )
    00067             c = firstChild()->style()->backgroundColor();
    00068         if( !bg )
    00069             bg = firstChild()->style()->backgroundImage();
    00070         if( !c.isValid() && root()->view())
    00071             c = root()->view()->palette().active().color(QColorGroup::Base);
    00072     }
    00073
    00074     int w = width();
    00075     int h = height();
    00076
    00077 //    kdDebug(0) << "width = " << w <<endl;
    00078
    00079     int rw;
    00080     if (root()->view())
    00081         rw=root()->view()->contentsWidth();
    00082     else
    00083         rw=root()->width();
    00084
    00085 //    kdDebug(0) << "rw = " << rw <<endl;
    00086
    00087     int bx = _tx - marginLeft();
    00088     int by = _ty - marginTop();
    00089     int bw = QMAX(w + marginLeft() + marginRight() + borderLeft() + borderRight(), rw);
    00090     int bh = QMAX(h + marginTop() + marginBottom() + borderTop() + borderBottom(), parent()->height());
    00091
    00092     // CSS2 14.2:
    00093     // " The background of the box generated by the root element covers the entire canvas."
    00094     // hence, paint the background even in the margin areas (unlike for every other element!)
    00095     // I just love these little inconsistencies .. :-( (Dirk)
    00096     int my = QMAX(by,_y);
    00097
    00098     paintBackground(p, c, bg, my, _h, bx, by, bw, bh);
    00099
    00100     if(style()->hasBorder())
    00101         paintBorder( p, _tx, _ty, w, h, style() );
    00102 }
    00103
    00104 void RenderHtml::repaint()
    00105 {
    00106     RenderObject *cb = containingBlock();
    00107     if(cb != this)
    00108         cb->repaint();
    00109 }
    00110
    00111 void RenderHtml::layout()
    00112 {
    00113     RenderFlow::layout();
    00114
    00115     //kdDebug(0) << renderName() << " height = " << m_height << endl;
    00116     int lp = lowestPosition();
    00117     // margins of Html element can only be fixed, right?
    00118     int margins  = style()->marginTop().isFixed() ? style()->marginTop().value() : 0;
    00119         margins += style()->marginBottom().isFixed() ? style()->marginBottom().value() : 0;
    00120
    00121     if( m_height + margins < lp )
    00122         m_height = lp - margins;
    00123
    00124     //kdDebug(0) << "docHeight = " << m_height << endl;
    00125 }
    00126
    00127 short RenderHtml::containingBlockWidth() const
    00128 {
    00129     if (root()->view())
    00130         return root()->view()->visibleWidth();
    00131     else
    00132         return RenderFlow::containingBlockWidth();
    00133 }

This file is part of the documentation for kdelibs Version 3.1.5.
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Generated on Wed Jan 28 13:34:36 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001