You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
391 lines
15 KiB
391 lines
15 KiB
/* This file is part of the KDE project
|
|
Copyright (C) 2006 Alfredo Beaumont Sainz <alfredo.beaumont@gmail.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 "basicelement.h"
|
|
#include "styleelement.h"
|
|
|
|
KFORMULA_NAMESPACE_BEGIN
|
|
|
|
StyleElement::StyleElement( BasicElement* parent ) : TokenStyleElement( parent ),
|
|
m_scriptMinSizeType( NoSize ),
|
|
m_veryVeryThinMathSpaceType( NoSize ),
|
|
m_veryThinMathSpaceType( NoSize ),
|
|
m_thinMathSpaceType( NoSize ),
|
|
m_mediumMathSpaceType( NoSize ),
|
|
m_thickMathSpaceType( NoSize ),
|
|
m_veryThickMathSpaceType( NoSize ),
|
|
m_veryVeryThickMathSpaceType( NoSize ),
|
|
m_customScriptLevel( false ),
|
|
m_relativeScriptLevel( false ),
|
|
m_customDisplayStyle( false ),
|
|
m_customScriptSizeMultiplier( false ),
|
|
m_customBackground( false )
|
|
{
|
|
}
|
|
|
|
bool StyleElement::readAttributesFromMathMLDom( const TQDomElement& element )
|
|
{
|
|
if ( !BasicElement::readAttributesFromMathMLDom( element ) ) {
|
|
return false;
|
|
}
|
|
|
|
TQString scriptlevelStr = element.attribute( "scriptlevel" );
|
|
if ( ! scriptlevelStr.isNull() ) {
|
|
if ( scriptlevelStr[0] == '+' || scriptlevelStr[0] == '-' ) {
|
|
m_relativeScriptLevel = true;
|
|
}
|
|
bool ok;
|
|
m_scriptLevel = scriptlevelStr.toInt( &ok );
|
|
if ( ! ok ) {
|
|
kdWarning( DEBUGID ) << "Invalid scriptlevel attribute value: "
|
|
<< scriptlevelStr << endl;
|
|
}
|
|
else {
|
|
m_customScriptLevel = true;
|
|
}
|
|
}
|
|
TQString displaystyleStr = element.attribute( "displaystyle" );
|
|
if ( ! displaystyleStr.isNull() ) {
|
|
if ( displaystyleStr.lower() == "true" ) {
|
|
m_displayStyle = true;
|
|
}
|
|
else {
|
|
m_displayStyle = false;
|
|
}
|
|
m_customDisplayStyle = true;
|
|
}
|
|
TQString scriptsizemultiplierStr = element.attribute( "scriptsizemultiplier" );
|
|
if ( ! scriptsizemultiplierStr.isNull() ) {
|
|
bool ok;
|
|
m_scriptSizeMultiplier = scriptsizemultiplierStr.toDouble( &ok );
|
|
if ( ! ok ) {
|
|
kdWarning( DEBUGID ) << "Invalid scriptsizemultiplier attribute value: "
|
|
<< scriptsizemultiplierStr << endl;
|
|
}
|
|
else {
|
|
m_customScriptSizeMultiplier = true;
|
|
}
|
|
}
|
|
TQString scriptminsizeStr = element.attribute( "scriptminsize" );
|
|
if ( ! scriptminsizeStr.isNull() ) {
|
|
readSizeAttribute( scriptminsizeStr, &m_scriptMinSizeType, &m_scriptMinSize );
|
|
}
|
|
TQString backgroundStr = element.attribute( "background" );
|
|
if ( ! backgroundStr.isNull() ) {
|
|
// TODO: tranparent background
|
|
m_customBackground = true;
|
|
if ( backgroundStr[0] != '#' ) {
|
|
m_background = TQColor( getHtmlColor( backgroundStr ) );
|
|
}
|
|
else {
|
|
m_background = TQColor( backgroundStr );
|
|
}
|
|
}
|
|
TQString veryverythinmathspaceStr = element.attribute( "veryverythinmathspace" );
|
|
if ( ! veryverythinmathspaceStr.isNull() ) {
|
|
readSizeAttribute( veryverythinmathspaceStr, &m_veryVeryThinMathSpaceType, &m_veryVeryThinMathSpace );
|
|
}
|
|
TQString verythinmathspaceStr = element.attribute( "verythinmathspace" );
|
|
if ( ! verythinmathspaceStr.isNull() ) {
|
|
readSizeAttribute( verythinmathspaceStr, &m_veryThinMathSpaceType, &m_veryThinMathSpace );
|
|
}
|
|
TQString thinmathspaceStr = element.attribute( "thinmathspace" );
|
|
if ( ! thinmathspaceStr.isNull() ) {
|
|
readSizeAttribute( thinmathspaceStr, &m_thinMathSpaceType, &m_thinMathSpace );
|
|
}
|
|
TQString mediummathspaceStr = element.attribute( "mediummathspace" );
|
|
if ( ! mediummathspaceStr.isNull() ) {
|
|
readSizeAttribute( mediummathspaceStr, &m_mediumMathSpaceType, &m_mediumMathSpace );
|
|
}
|
|
TQString thickmathspaceStr = element.attribute( "thickmathspace" );
|
|
if ( ! thickmathspaceStr.isNull() ) {
|
|
readSizeAttribute( thickmathspaceStr, &m_thickMathSpaceType, &m_thickMathSpace );
|
|
}
|
|
TQString verythickmathspaceStr = element.attribute( "verythickmathspace" );
|
|
if ( ! verythickmathspaceStr.isNull() ) {
|
|
readSizeAttribute( verythickmathspaceStr, &m_veryThickMathSpaceType, &m_veryThickMathSpace );
|
|
}
|
|
TQString veryverythickmathspaceStr = element.attribute( "veryverythickmathspace" );
|
|
if ( ! veryverythickmathspaceStr.isNull() ) {
|
|
readSizeAttribute( veryverythickmathspaceStr, &m_veryVeryThickMathSpaceType, &m_veryVeryThickMathSpace );
|
|
}
|
|
return inherited::readAttributesFromMathMLDom( element );
|
|
}
|
|
|
|
void StyleElement::writeMathMLAttributes( TQDomElement& element ) const
|
|
{
|
|
if ( m_customScriptLevel ) {
|
|
TQString prefix;
|
|
if ( m_relativeScriptLevel && m_scriptLevel >= 0 ) {
|
|
prefix = "+";
|
|
}
|
|
element.setAttribute( "scriptlevel", prefix + TQString( "%1" ).tqarg( m_scriptLevel ) );
|
|
}
|
|
if ( m_customDisplayStyle ) {
|
|
element.setAttribute( "displaystyle", m_displayStyle ? "true" : "false" );
|
|
}
|
|
if ( m_customScriptSizeMultiplier ) {
|
|
element.setAttribute( "scriptsizemultiplier", TQString( "%1" ).tqarg( m_scriptSizeMultiplier ) );
|
|
}
|
|
writeSizeAttribute( element, "scriptminsize", m_scriptMinSizeType, m_scriptMinSize );
|
|
if ( m_customBackground ) {
|
|
element.setAttribute( "background", m_background.name() );
|
|
}
|
|
writeSizeAttribute( element, "veryverythinmathspace", m_veryVeryThinMathSpaceType, m_veryVeryThinMathSpace );
|
|
writeSizeAttribute( element, "verythinmathspace", m_veryThinMathSpaceType, m_veryThinMathSpace );
|
|
writeSizeAttribute( element, "thinmathspace", m_thinMathSpaceType, m_thinMathSpace );
|
|
writeSizeAttribute( element, "mediummathspace", m_mediumMathSpaceType, m_mediumMathSpace );
|
|
writeSizeAttribute( element, "thickmathspace", m_thickMathSpaceType, m_thickMathSpace );
|
|
writeSizeAttribute( element, "verythickmathspace", m_veryThickMathSpaceType, m_veryThickMathSpace );
|
|
writeSizeAttribute( element, "veryverythickmathspace", m_veryVeryThickMathSpaceType, m_veryVeryThickMathSpace );
|
|
|
|
inherited::writeMathMLAttributes( element );
|
|
}
|
|
|
|
|
|
void StyleElement::setStyleSize( const ContextStyle& context, StyleAttributes& style )
|
|
{
|
|
if ( m_customScriptLevel ) {
|
|
if ( m_relativeScriptLevel ) {
|
|
style.setScriptLevel( style.scriptLevel() + m_scriptLevel );
|
|
}
|
|
else {
|
|
style.setScriptLevel( m_scriptLevel );
|
|
}
|
|
}
|
|
else {
|
|
style.setScriptLevel( style.scriptLevel() );
|
|
}
|
|
if ( m_customDisplayStyle || style.customDisplayStyle() ) {
|
|
style.setCustomDisplayStyle( true );
|
|
if ( m_customDisplayStyle ) {
|
|
style.setDisplayStyle( m_displayStyle );
|
|
}
|
|
else {
|
|
style.setDisplayStyle( style.displayStyle() );
|
|
}
|
|
}
|
|
else {
|
|
style.setCustomDisplayStyle( false );
|
|
}
|
|
if ( m_customScriptSizeMultiplier ) {
|
|
style.setScriptSizeMultiplier( m_scriptSizeMultiplier );
|
|
}
|
|
else {
|
|
style.setScriptSizeMultiplier( style.scriptSizeMultiplier() );
|
|
}
|
|
|
|
// Get scriptminsize attribute in absolute units, so we don't depend on
|
|
// context to get the default value
|
|
double basesize = context.layoutUnitPtToPt( context.getBaseSize() );
|
|
double size = style.scriptMinSize();
|
|
switch ( m_scriptMinSizeType ) {
|
|
case AbsoluteSize:
|
|
size = m_scriptMinSize;
|
|
case RelativeSize:
|
|
size = m_scriptMinSize * basesize;
|
|
case PixelSize:
|
|
size = context.pixelXToPt( m_scriptMinSize );
|
|
default:
|
|
break;
|
|
}
|
|
style.setScriptMinSize( size );
|
|
|
|
style.setVeryVeryThinMathSpace( sizeFactor( context,
|
|
m_veryVeryThinMathSpaceType,
|
|
m_veryVeryThinMathSpace,
|
|
style.veryVeryThinMathSpace() ));
|
|
style.setVeryThinMathSpace( sizeFactor( context, m_veryThinMathSpaceType,
|
|
m_veryThinMathSpace,
|
|
style.veryThinMathSpace() ));
|
|
style.setThinMathSpace( sizeFactor( context, m_thinMathSpaceType,
|
|
m_thinMathSpace,
|
|
style.thinMathSpace() ));
|
|
style.setMediumMathSpace( sizeFactor( context, m_mediumMathSpaceType,
|
|
m_mediumMathSpace,
|
|
style.mediumMathSpace() ));
|
|
style.setThickMathSpace( sizeFactor( context, m_thickMathSpaceType,
|
|
m_thickMathSpace,
|
|
style.thickMathSpace() ));
|
|
style.setVeryThickMathSpace( sizeFactor( context, m_veryThickMathSpaceType,
|
|
m_veryThickMathSpace,
|
|
style.veryThickMathSpace() ));
|
|
style.setVeryVeryThickMathSpace( sizeFactor( context,
|
|
m_veryVeryThickMathSpaceType,
|
|
m_veryVeryThickMathSpace,
|
|
style.veryVeryThickMathSpace() ));
|
|
inherited::setStyleSize( context, style );
|
|
}
|
|
|
|
double StyleElement::sizeFactor( const ContextStyle& context, SizeType st,
|
|
double length, double defvalue )
|
|
{
|
|
double basesize = context.layoutUnitPtToPt( context.getBaseSize() );
|
|
switch ( st ) {
|
|
case AbsoluteSize:
|
|
return length / basesize;
|
|
case RelativeSize:
|
|
return length;
|
|
case PixelSize:
|
|
return context.pixelXToPt( length ) / basesize;
|
|
default:
|
|
break;
|
|
}
|
|
return defvalue;
|
|
}
|
|
|
|
void StyleElement::setStyleVariant( StyleAttributes& style )
|
|
{
|
|
if ( customMathVariant() ) {
|
|
style.setCustomMathVariant ( true );
|
|
style.setCustomFontWeight( false );
|
|
style.setCustomFontStyle( false );
|
|
style.setCustomFont( false );
|
|
if ( customMathVariant() ) {
|
|
style.setCharFamily ( charFamily() );
|
|
style.setCharStyle( charStyle() );
|
|
}
|
|
else {
|
|
style.setCharFamily( style.charFamily() );
|
|
style.setCharStyle( style.charStyle() );
|
|
}
|
|
}
|
|
else {
|
|
style.setCustomMathVariant( false );
|
|
if ( customFontFamily() ) {
|
|
style.setCustomFont( true );
|
|
style.setFont( TQFont(fontFamily()) );
|
|
}
|
|
|
|
bool fontweight = false;
|
|
if ( customFontWeight() || style.customFontWeight() ) {
|
|
style.setCustomFontWeight( true );
|
|
if ( customFontWeight() ) {
|
|
fontweight = fontWeight();
|
|
}
|
|
else {
|
|
fontweight = style.fontWeight();
|
|
}
|
|
style.setFontWeight( fontweight );
|
|
}
|
|
else {
|
|
style.setCustomFontWeight( false );
|
|
}
|
|
|
|
bool fontstyle = false;
|
|
if ( customFontStyle() || style.customFontStyle() ) {
|
|
style.setCustomFontStyle( true );
|
|
if ( customFontStyle() ) {
|
|
fontstyle = fontStyle();
|
|
}
|
|
else {
|
|
fontstyle = style.fontStyle();
|
|
}
|
|
style.setFontStyle( fontstyle );
|
|
}
|
|
else {
|
|
style.setCustomFontStyle( false );
|
|
}
|
|
|
|
if ( fontweight && fontstyle ) {
|
|
style.setCharStyle( boldItalicChar );
|
|
}
|
|
else if ( fontweight && ! fontstyle ) {
|
|
style.setCharStyle( boldChar );
|
|
}
|
|
else if ( ! fontweight && fontstyle ) {
|
|
style.setCharStyle( italicChar );
|
|
}
|
|
else {
|
|
style.setCharStyle( normalChar );
|
|
}
|
|
}
|
|
}
|
|
|
|
void StyleElement::setStyleBackground( StyleAttributes& style )
|
|
{
|
|
if ( customMathBackground() ) {
|
|
style.setBackground( mathBackground() );
|
|
}
|
|
else if ( m_customBackground ) {
|
|
style.setBackground( m_background );
|
|
}
|
|
else {
|
|
style.setBackground( style.background() );
|
|
}
|
|
}
|
|
|
|
void StyleElement::resetStyle( StyleAttributes& style )
|
|
{
|
|
inherited::resetStyle( style );
|
|
style.resetScriptLevel();
|
|
style.resetScriptSizeMultiplier();
|
|
style.resetScriptMinSize();
|
|
style.resetVeryVeryThinMathSpace();
|
|
style.resetVeryThinMathSpace();
|
|
style.resetThinMathSpace();
|
|
style.resetMediumMathSpace();
|
|
style.resetThickMathSpace();
|
|
style.resetVeryThickMathSpace();
|
|
style.resetVeryVeryThickMathSpace();
|
|
style.resetDisplayStyle();
|
|
}
|
|
|
|
void StyleElement::readSizeAttribute( const TQString& str, SizeType* st, double* s )
|
|
{
|
|
if ( st == 0 || s == 0 ){
|
|
return;
|
|
}
|
|
if ( str == "small" ) {
|
|
*st = RelativeSize;
|
|
*s = 0.8; // ### Arbitrary size
|
|
}
|
|
else if ( str == "normal" ) {
|
|
*st = RelativeSize;
|
|
*s = 1.0;
|
|
}
|
|
else if ( str == "big" ) {
|
|
*st = RelativeSize;
|
|
*s = 1.2; // ### Arbitrary size
|
|
}
|
|
else {
|
|
*s = getSize( str, st );
|
|
}
|
|
}
|
|
|
|
void StyleElement::writeSizeAttribute( TQDomElement element, const TQString& str, SizeType st, double s ) const
|
|
{
|
|
switch ( st ) {
|
|
case AbsoluteSize:
|
|
element.setAttribute( str, TQString( "%1pt" ).tqarg( s ) );
|
|
break;
|
|
case RelativeSize:
|
|
element.setAttribute( str, TQString( "%1%" ).tqarg( s * 100.0 ) );
|
|
break;
|
|
case PixelSize:
|
|
element.setAttribute( str, TQString( "%1px" ).tqarg( s ) );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
KFORMULA_NAMESPACE_END
|