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tdelibs/khtml/rendering/render_generated.cpp

393 lines
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/**
* This file is part of the HTML rendering engine for KDE.
*
* Copyright (C) 2004-2005 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.
*
*/
#include "rendering/render_generated.h"
#include "rendering/render_style.h"
#include "rendering/enumerate.h"
#include "rendering/counter_tree.h"
#include "css/css_valueimpl.h"
using namespace khtml;
using namespace Enumerate;
// -------------------------------------------------------------------------
RenderCounterBase::RenderCounterBase(DOM::NodeImpl* node)
: RenderText(node,0), m_counterNode(0)
{
}
void RenderCounterBase::layout()
{
KHTMLAssert( needsLayout() );
if ( !minMaxKnown() )
calcMinMaxWidth();
RenderText::layout();
}
void RenderCounterBase::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
generateContent();
if (str) str->deref();
str = new DOM::DOMStringImpl(m_item.unicode(), m_item.length());
str->ref();
RenderText::calcMinMaxWidth();
}
void RenderCounterBase::updateContent()
{
setMinMaxKnown(false);
}
// -------------------------------------------------------------------------
RenderCounter::RenderCounter(DOM::NodeImpl* node, const DOM::CounterImpl* counter)
: RenderCounterBase(node), m_counter(counter)
{
}
QString RenderCounter::toListStyleType(int value, int total, EListStyleType type)
{
QString item;
switch(type)
{
case LNONE:
break;
// Glyphs: (these values are not really used and instead handled by RenderGlyph)
case LDISC:
item = QChar(0x2022);
break;
case LCIRCLE:
item = QChar(0x25e6);
break;
case LSQUARE:
item = QChar(0x25a0);
break;
case LBOX:
item = QChar(0x25a1);
break;
case LDIAMOND:
item = QChar(0x25c6);
break;
// Numeric:
case LDECIMAL:
item.setNum ( value );
break;
case DECIMAL_LEADING_ZERO: {
int decimals = 2;
int t = total/100;
while (t>0) {
t = t/10;
decimals++;
}
decimals = kMax(decimals, 2);
QString num = QString::number(value);
item.fill('0',decimals-num.length());
item.append(num);
break;
}
case ARABIC_INDIC:
item = toArabicIndic( value );
break;
case LAO:
item = toLao( value );
break;
case PERSIAN:
case URDU:
item = toPersianUrdu( value );
break;
case THAI:
item = toThai( value );
break;
case TIBETAN:
item = toTibetan( value );
break;
// Algoritmic:
case LOWER_ROMAN:
item = toRoman( value, false );
break;
case UPPER_ROMAN:
item = toRoman( value, true );
break;
case HEBREW:
item = toHebrew( value );
break;
case ARMENIAN:
item = toArmenian( value );
break;
case GEORGIAN:
item = toGeorgian( value );
break;
// Alphabetic:
case LOWER_ALPHA:
case LOWER_LATIN:
item = toLowerLatin( value );
break;
case UPPER_ALPHA:
case UPPER_LATIN:
item = toUpperLatin( value );
break;
case LOWER_GREEK:
item = toLowerGreek( value );
break;
case UPPER_GREEK:
item = toUpperGreek( value );
break;
case HIRAGANA:
item = toHiragana( value );
break;
case HIRAGANA_IROHA:
item = toHiraganaIroha( value );
break;
case KATAKANA:
item = toKatakana( value );
break;
case KATAKANA_IROHA:
item = toKatakanaIroha( value );
break;
// Ideographic:
case JAPANESE_FORMAL:
item = toJapaneseFormal( value );
break;
case JAPANESE_INFORMAL:
item = toJapaneseInformal( value );
break;
case SIMP_CHINESE_FORMAL:
item = toSimpChineseFormal( value );
break;
case SIMP_CHINESE_INFORMAL:
item = toSimpChineseInformal( value );
break;
case TRAD_CHINESE_FORMAL:
item = toTradChineseFormal( value );
break;
case CJK_IDEOGRAPHIC:
// CSS 3 List says treat as trad-chinese-informal
case TRAD_CHINESE_INFORMAL:
item = toTradChineseInformal( value );
break;
default:
item.setNum ( value );
break;
}
return item;
}
void RenderCounter::generateContent()
{
bool counters;
counters = !m_counter->separator().isNull();
if (!m_counterNode)
m_counterNode = getCounter(m_counter->identifier().string(), true, counters);
int value = m_counterNode->count();
if (m_counterNode->isReset()) value = m_counterNode->value();
int total = value;
if (m_counterNode->parent()) total = m_counterNode->parent()->total();
m_item = toListStyleType(value, total, (EListStyleType)m_counter->listStyle());
if (counters) {
CounterNode *counter = m_counterNode->parent();
// we deliberately do not render the root counter-node
while(counter->parent() && !(counter->isReset() && counter->parent()->isRoot())) {
value = counter->count();
total = counter->parent()->total();
m_item = toListStyleType(value, total, (EListStyleType)m_counter->listStyle()) + m_counter->separator().string() + m_item;
counter = counter->parent();
};
}
}
// -------------------------------------------------------------------------
RenderQuote::RenderQuote(DOM::NodeImpl* node, EQuoteContent type)
: RenderCounterBase(node), m_quoteType(type)
{
}
int RenderQuote::quoteCount() const
{
switch(m_quoteType) {
case OPEN_QUOTE:
case NO_OPEN_QUOTE:
return 1;
case CLOSE_QUOTE:
case NO_CLOSE_QUOTE:
return -1;
case NO_QUOTE:
return 0;
}
assert(false);
return 0;
}
void RenderQuote::generateContent()
{
bool visual;
if (m_quoteType == NO_CLOSE_QUOTE || m_quoteType == NO_OPEN_QUOTE)
visual = false;
else
visual = true;
if (!m_counterNode)
m_counterNode = getCounter("-khtml-quotes", visual, false);
int value = m_counterNode->count();
if (m_counterNode->isReset()) value = m_counterNode->value();
switch (m_quoteType) {
case OPEN_QUOTE:
m_item = style()->openQuote( value );
break;
case CLOSE_QUOTE:
m_item = style()->closeQuote( value );
break;
case NO_OPEN_QUOTE:
case NO_CLOSE_QUOTE:
case NO_QUOTE:
m_item = QString();
}
}
// -------------------------------------------------------------------------
RenderGlyph::RenderGlyph(DOM::NodeImpl* node, EListStyleType type)
: RenderBox(node), m_type(type)
{
setInline(true);
// setReplaced(true);
}
void RenderGlyph::setStyle(RenderStyle *_style)
{
RenderBox::setStyle(_style);
const QFontMetrics &fm = style()->fontMetrics();
QRect xSize= fm.boundingRect('x');
m_height = xSize.height();
m_width = xSize.width();;
switch(m_type) {
// Glyphs:
case LDISC:
case LCIRCLE:
case LSQUARE:
case LBOX:
case LDIAMOND:
case LNONE:
break;
default:
// not a glyph !
assert(false);
break;
}
}
void RenderGlyph::calcMinMaxWidth()
{
m_minWidth = m_width;
m_maxWidth = m_width;
setMinMaxKnown();
}
short RenderGlyph::lineHeight(bool /*b*/) const
{
return height();
}
short RenderGlyph::baselinePosition(bool /*b*/) const
{
return height();
}
void RenderGlyph::paint(PaintInfo& paintInfo, int _tx, int _ty)
{
if (paintInfo.phase != PaintActionForeground)
return;
if (style()->visibility() != VISIBLE) return;
_tx += m_x;
_ty += m_y;
if((_ty > paintInfo.r.bottom()) || (_ty + m_height <= paintInfo.r.top()))
return;
QPainter* p = paintInfo.p;
const QColor color( style()->color() );
p->setPen( color );
int xHeight = m_height;
int bulletWidth = (xHeight+1)/2;
int yoff = (xHeight - 1)/4;
QRect marker(_tx, _ty + yoff, bulletWidth, bulletWidth);
switch(m_type) {
case LDISC:
p->setBrush( color );
p->drawEllipse( marker );
return;
case LCIRCLE:
p->setBrush( Qt::NoBrush );
p->drawEllipse( marker );
return;
case LSQUARE:
p->setBrush( color );
p->drawRect( marker );
return;
case LBOX:
p->setBrush( Qt::NoBrush );
p->drawRect( marker );
return;
case LDIAMOND: {
static QPointArray diamond(4);
int x = marker.x();
int y = marker.y();
int s = bulletWidth/2;
diamond[0] = QPoint(x+s, y);
diamond[1] = QPoint(x+2*s, y+s);
diamond[2] = QPoint(x+s, y+2*s);
diamond[3] = QPoint(x, y+s);
p->setBrush( color );
p->drawConvexPolygon( diamond, 0, 4 );
return;
}
case LNONE:
return;
default:
// not a glyph
assert(false);
}
}