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-rw-r--r--lib/kformula/bracketelement.cc1005
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diff --git a/lib/kformula/bracketelement.cc b/lib/kformula/bracketelement.cc
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--- a/lib/kformula/bracketelement.cc
+++ /dev/null
@@ -1,1005 +0,0 @@
-/* This file is part of the KDE project
- Copyright (C) 2001 Andrea Rizzi <[email protected]>
- Ulrich Kuettler <[email protected]>
-
- 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 <tqptrlist.h>
-#include <tqpainter.h>
-#include <tqpen.h>
-#include <tqpointarray.h>
-
-#include <kdebug.h>
-#include <tdelocale.h>
-
-#include "bracketelement.h"
-#include "elementvisitor.h"
-#include "fontstyle.h"
-#include "formulacursor.h"
-#include "formulaelement.h"
-#include "sequenceelement.h"
-
-KFORMULA_NAMESPACE_BEGIN
-
-SingleContentElement::SingleContentElement(BasicElement* parent )
- : BasicElement( parent )
-{
- content = new SequenceElement( this );
-}
-
-
-SingleContentElement::SingleContentElement( const SingleContentElement& other )
- : BasicElement( other )
-{
- content = new SequenceElement( other.content );
- content->setParent( this );
-}
-
-
-SingleContentElement::~SingleContentElement()
-{
- delete content;
-}
-
-
-TQChar SingleContentElement::getCharacter() const
-{
- // This is meant to make the SingleContentElement text only.
- // This "fixes" the parenthesis problem (parenthesis too large).
- // I'm not sure if we really want this. There should be better ways.
- if ( content->isTextOnly() ) {
- return '\\';
- }
- return content->getCharacter();
-}
-
-BasicElement* SingleContentElement::goToPos( FormulaCursor* cursor, bool& handled,
- const LuPixelPoint& point, const LuPixelPoint& parentOrigin )
-{
- BasicElement* e = BasicElement::goToPos(cursor, handled, point, parentOrigin);
- if (e != 0) {
- LuPixelPoint myPos(parentOrigin.x() + getX(),
- parentOrigin.y() + getY());
-
- e = content->goToPos(cursor, handled, point, myPos);
- if (e != 0) {
- return e;
- }
- return this;
- }
- return 0;
-}
-
-void SingleContentElement::dispatchFontCommand( FontCommand* cmd )
-{
- content->dispatchFontCommand( cmd );
-}
-
-void SingleContentElement::moveLeft(FormulaCursor* cursor, BasicElement* from)
-{
- if (cursor->isSelectionMode()) {
- getParent()->moveLeft(cursor, this);
- }
- else {
- //bool linear = cursor->getLinearMovement();
- if (from == getParent()) {
- content->moveLeft(cursor, this);
- }
- else {
- getParent()->moveLeft(cursor, this);
- }
- }
-}
-
-void SingleContentElement::moveRight(FormulaCursor* cursor, BasicElement* from)
-{
- if (cursor->isSelectionMode()) {
- getParent()->moveRight(cursor, this);
- }
- else {
- //bool linear = cursor->getLinearMovement();
- if (from == getParent()) {
- content->moveRight(cursor, this);
- }
- else {
- getParent()->moveRight(cursor, this);
- }
- }
-}
-
-void SingleContentElement::moveUp(FormulaCursor* cursor, BasicElement* /*from*/)
-{
- getParent()->moveUp(cursor, this);
-}
-
-void SingleContentElement::moveDown(FormulaCursor* cursor, BasicElement* /*from*/)
-{
- getParent()->moveDown(cursor, this);
-}
-
-void SingleContentElement::remove( FormulaCursor* cursor,
- TQPtrList<BasicElement>& removedChildren,
- Direction direction )
-{
- switch (cursor->getPos()) {
- case contentPos:
- BasicElement* parent = getParent();
- parent->selectChild(cursor, this);
- parent->remove(cursor, removedChildren, direction);
- }
-}
-
-void SingleContentElement::normalize( FormulaCursor* cursor, Direction direction )
-{
- if (direction == beforeCursor) {
- content->moveLeft(cursor, this);
- }
- else {
- content->moveRight(cursor, this);
- }
-}
-
-SequenceElement* SingleContentElement::getMainChild()
-{
- return content;
-}
-
-void SingleContentElement::selectChild(FormulaCursor* cursor, BasicElement* child)
-{
- if (child == content) {
- cursor->setTo(this, contentPos);
- }
-}
-
-void SingleContentElement::writeDom(TQDomElement element)
-{
- BasicElement::writeDom(element);
-
- TQDomDocument doc = element.ownerDocument();
-
- TQDomElement con = doc.createElement("CONTENT");
- con.appendChild(content->getElementDom(doc));
- element.appendChild(con);
-}
-
-bool SingleContentElement::readContentFromDom(TQDomNode& node)
-{
- if (!BasicElement::readContentFromDom(node)) {
- return false;
- }
-
- if ( !buildChild( content, node, "CONTENT" ) ) {
- kdWarning( DEBUGID ) << "Empty content in " << getTagName() << endl;
- return false;
- }
- node = node.nextSibling();
-
- return true;
-}
-
-int SingleContentElement::readContentFromMathMLDom( TQDomNode& node )
-{
- if ( BasicElement::readContentFromMathMLDom( node ) == -1 ) {
- return -1;
- }
-
- int nodeCounter = content->buildMathMLChild( node );
- if ( nodeCounter == -1 ) {
- kdWarning( DEBUGID) << "Empty content in SingleContentElement\n";
- return -1;
- }
-
- return nodeCounter;
-}
-
-void SingleContentElement::writeMathMLContent( TQDomDocument& doc, TQDomElement& element, bool oasisFormat ) const
-{
- content->writeMathML( doc, element, oasisFormat );
-}
-
-
-
-BracketElement::BracketElement(SymbolType l, SymbolType r, BasicElement* parent)
- : SingleContentElement(parent),
- left( 0 ), right( 0 ),
- leftType( l ), rightType( r ),
- m_operator( false ), m_customLeft( false ), m_customRight( false )
-{
-}
-
-
-BracketElement::~BracketElement()
-{
- delete left;
- delete right;
-}
-
-
-BracketElement::BracketElement( const BracketElement& other )
- : SingleContentElement( other ),
- left( 0 ), right( 0 ),
- leftType( other.leftType ), rightType( other.rightType ),
- m_operator( other.m_operator ),
- m_customLeft( other.m_customLeft ), m_customRight( other.m_customRight )
-{
-}
-
-
-bool BracketElement::accept( ElementVisitor* visitor )
-{
- return visitor->visit( this );
-}
-
-
-void BracketElement::entered( SequenceElement* /*child*/ )
-{
- formula()->tell( i18n( "Delimited list" ) );
-}
-
-
-BasicElement* BracketElement::goToPos( FormulaCursor* cursor, bool& handled,
- const LuPixelPoint& point, const LuPixelPoint& parentOrigin )
-{
- BasicElement* e = BasicElement::goToPos(cursor, handled, point, parentOrigin);
- if (e != 0) {
- LuPixelPoint myPos(parentOrigin.x() + getX(),
- parentOrigin.y() + getY());
- e = getContent()->goToPos(cursor, handled, point, myPos);
- if (e != 0) {
- return e;
- }
-
- // We are in one of those gaps.
- luPixel dx = point.x() - myPos.x();
- luPixel dy = point.y() - myPos.y();
-
- if ((dx > getContent()->getX()+getContent()->getWidth()) ||
- (dy > getContent()->getY()+getContent()->getHeight())) {
- getContent()->moveEnd(cursor);
- handled = true;
- return getContent();
- }
- return this;
- }
- return 0;
-}
-
-
-/**
- * Calculates our width and height and
- * our children's parentPosition.
- */
-void BracketElement::calcSizes( const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style )
-{
- SequenceElement* content = getContent();
- content->calcSizes( context, tstyle, istyle, style );
-
- //if ( left == 0 ) {
- delete left;
- delete right;
- left = context.fontStyle().createArtwork( leftType );
- right = context.fontStyle().createArtwork( rightType );
- //}
-
- double factor = style.sizeFactor();
- if (content->isTextOnly()) {
- left->calcSizes(context, tstyle, factor);
- right->calcSizes(context, tstyle, factor);
-
- setBaseline(TQMAX(content->getBaseline(),
- TQMAX(left->getBaseline(), right->getBaseline())));
-
- content->setY(getBaseline() - content->getBaseline());
- left ->setY(getBaseline() - left ->getBaseline());
- right ->setY(getBaseline() - right ->getBaseline());
-
- //setMidline(content->getY() + content->getMidline());
- setHeight(TQMAX(content->getY() + content->getHeight(),
- TQMAX(left ->getY() + left ->getHeight(),
- right->getY() + right->getHeight())));
- }
- else {
- //kdDebug( DEBUGID ) << "BracketElement::calcSizes " << content->axis( context, tstyle ) << " " << content->getHeight() << endl;
- luPixel contentHeight = 2 * TQMAX( content->axis( context, tstyle, factor ),
- content->getHeight() - content->axis( context, tstyle, factor ) );
- left->calcSizes( context, tstyle, factor, contentHeight );
- right->calcSizes( context, tstyle, factor, contentHeight );
-
- // height
- setHeight(TQMAX(contentHeight,
- TQMAX(left->getHeight(), right->getHeight())));
- //setMidline(getHeight() / 2);
-
- content->setY(getHeight() / 2 - content->axis( context, tstyle, factor ));
- setBaseline(content->getBaseline() + content->getY());
-
- if ( left->isNormalChar() ) {
- left->setY(getBaseline() - left->getBaseline());
- }
- else {
- left->setY((getHeight() - left->getHeight())/2);
- }
- if ( right->isNormalChar() ) {
- right->setY(getBaseline() - right->getBaseline());
- }
- else {
- right->setY((getHeight() - right->getHeight())/2);
- }
-
-// kdDebug() << "BracketElement::calcSizes" << endl
-// << "getHeight(): " << getHeight() << endl
-// << "left->getHeight(): " << left->getHeight() << endl
-// << "right->getHeight(): " << right->getHeight() << endl
-// << "left->getY(): " << left->getY() << endl
-// << "right->getY(): " << right->getY() << endl
-// << endl;
- }
-
- // width
- setWidth(left->getWidth() + content->getWidth() + right->getWidth());
- content->setX(left->getWidth());
- right ->setX(left->getWidth()+content->getWidth());
-}
-
-
-/**
- * Draws the whole element including its children.
- * The `parentOrigin' is the point this element's parent starts.
- * We can use our parentPosition to get our own origin then.
- */
-void BracketElement::draw( TQPainter& painter, const LuPixelRect& r,
- const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style,
- const LuPixelPoint& parentOrigin )
-{
- LuPixelPoint myPos( parentOrigin.x()+getX(), parentOrigin.y()+getY() );
- //if ( !LuPixelRect( myPos.x(), myPos.y(), getWidth(), getHeight() ).intersects( r ) )
- // return;
-
- SequenceElement* content = getContent();
- content->draw(painter, r, context, tstyle, istyle, style, myPos);
-
- if (content->isTextOnly()) {
- left->draw(painter, r, context, tstyle, style, myPos);
- right->draw(painter, r, context, tstyle, style, myPos);
- }
- else {
- double factor = style.sizeFactor();
- luPixel contentHeight = 2 * TQMAX(content->axis( context, tstyle, factor ),
- content->getHeight() - content->axis( context, tstyle, factor ));
- left->draw(painter, r, context, tstyle, style, contentHeight, myPos);
- right->draw(painter, r, context, tstyle, style, contentHeight, myPos);
- }
-
- // Debug
-#if 0
- painter.setBrush( TQt::NoBrush );
- painter.setPen( TQt::red );
- painter.drawRect( context.layoutUnitToPixelX( myPos.x()+left->getX() ),
- context.layoutUnitToPixelY( myPos.y()+left->getY() ),
- context.layoutUnitToPixelX( left->getWidth() ),
- context.layoutUnitToPixelY( left->getHeight() ) );
- painter.drawRect( context.layoutUnitToPixelX( myPos.x()+right->getX() ),
- context.layoutUnitToPixelY( myPos.y()+right->getY() ),
- context.layoutUnitToPixelX( right->getWidth() ),
- context.layoutUnitToPixelY( right->getHeight() ) );
-#endif
-}
-
-
-/**
- * Appends our attributes to the dom element.
- */
-void BracketElement::writeDom(TQDomElement element)
-{
- SingleContentElement::writeDom(element);
- element.setAttribute("LEFT", leftType);
- element.setAttribute("RIGHT", rightType);
-}
-
-/**
- * Reads our attributes from the element.
- * Returns false if it failed.
- */
-bool BracketElement::readAttributesFromDom(TQDomElement element)
-{
- if (!BasicElement::readAttributesFromDom(element)) {
- return false;
- }
- TQString leftStr = element.attribute("LEFT");
- if(!leftStr.isNull()) {
- leftType = static_cast<SymbolType>(leftStr.toInt());
- }
- TQString rightStr = element.attribute("RIGHT");
- if(!rightStr.isNull()) {
- rightType = static_cast<SymbolType>(rightStr.toInt());
- }
- return true;
-}
-
-/**
- * Reads our attributes from the MathML element.
- * Returns false if it failed.
- */
-bool BracketElement::readAttributesFromMathMLDom(const TQDomElement& element)
-{
- if ( !BasicElement::readAttributesFromMathMLDom( element ) ) {
- return false;
- }
-
- if ( element.tagName().lower() == "mo" ) {
- m_operator = true;
- // TODO: parse attributes in section 3.2.5.2
- }
- else { // mfenced, see attributes in section 3.3.8.2
- leftType = LeftRoundBracket;
- rightType = RightRoundBracket;
- TQString openStr = element.attribute( "open" ).stripWhiteSpace();
- if ( !openStr.isNull() ) {
- m_customLeft = true;
- if ( openStr == "[" )
- leftType = LeftSquareBracket;
- else if ( openStr == "]" )
- leftType = RightSquareBracket;
- else if ( openStr == "{" )
- leftType = LeftCurlyBracket;
- else if ( openStr == "}" )
- leftType = RightCurlyBracket;
- else if ( openStr == "<" )
- leftType = LeftCornerBracket;
- else if ( openStr == ">" )
- leftType = RightCornerBracket;
- else if ( openStr == "(" )
- leftType = LeftRoundBracket;
- else if ( openStr == ")" )
- leftType = RightRoundBracket;
- else if ( openStr == "/" )
- leftType = SlashBracket;
- else if ( openStr == "\\" )
- leftType = BackSlashBracket;
- else // TODO: Check for entity references
- leftType = LeftRoundBracket;
- }
- TQString closeStr = element.attribute( "close" ).stripWhiteSpace();
- if ( !closeStr.isNull() ) {
- m_customRight = true;
- if ( closeStr == "[" )
- rightType = LeftSquareBracket;
- else if ( closeStr == "]" )
- rightType = RightSquareBracket;
- else if ( closeStr == "{" )
- rightType = LeftCurlyBracket;
- else if ( closeStr == "}" )
- rightType = RightCurlyBracket;
- else if ( closeStr == "<" )
- rightType = LeftCornerBracket;
- else if ( closeStr == ">" )
- rightType = RightCornerBracket;
- else if ( closeStr == "(" )
- rightType = LeftRoundBracket;
- else if ( closeStr == ")" )
- rightType = RightRoundBracket;
- else if ( closeStr == "/" )
- rightType = SlashBracket;
- else if ( closeStr == "\\" )
- rightType = BackSlashBracket;
- else // TODO: Check for entity references
- rightType = LeftRoundBracket;
- }
- m_separators = element.attribute( "separators" ).simplifyWhiteSpace();
- }
- return true;
-}
-
-/**
- * Reads our content from the MathML node. Sets the node to the next node
- * that needs to be read.
- * Returns false if it failed.
- */
-int BracketElement::readContentFromMathMLDom(TQDomNode& node)
-{
- bool empty = false;
- int nodeCounter = 0;
- if ( m_operator ) {
- node = node.parentNode();
- TQDomNode open = node;
- TQDomNode parent = node.parentNode();
- if ( ! operatorType( node, true ) )
- return -1;
- int nodeNum = searchOperator( node );
- if ( nodeNum == -1 ) // Closing bracket not found
- return -1;
- if ( nodeNum == 0 ) { // Empty content
- empty = true;
- }
- else if ( nodeNum == 1 ) {
- do {
- node = node.nextSibling();
- nodeCounter++;
- } while ( ! node.isElement() );
- }
- else { // More than two elements inside, infer a mrow
- nodeCounter += nodeNum;
- kdWarning() << "NodeNum: " << nodeNum << endl;
- TQDomDocument doc = node.ownerDocument();
- TQDomElement de = doc.createElement( "mrow" );
- int i = 0;
- do {
- TQDomNode n = node.nextSibling();
- de.appendChild( node.toElement() );
- node = n;
- } while ( ++i < nodeNum );
- parent.insertAfter( de, open );
- node = de;
- kdWarning() << doc.toString() << endl;
- }
- }
- else {
- // if it's a mfence tag, we need to convert to equivalent expanded form.
- // See section 3.3.8
- while ( ! node.isNull() && ! node.isElement() )
- node = node.nextSibling();
- TQDomNode next = node.nextSibling();
- while ( ! next.isNull() && ! next.isElement() )
- next = next.nextSibling();
- if ( ! next.isNull()) {
- TQDomDocument doc = node.ownerDocument();
- TQDomNode parent = node.parentNode();
- TQString ns = parent.prefix();
- TQDomElement de = doc.createElementNS( ns, "mrow" );
- uint pos = 0;
- while ( ! node.isNull() ) {
- TQDomNode no = node.nextSibling();
- while ( ! no.isNull() && ! no.isElement() )
- no = no.nextSibling();
- de.appendChild( node.toElement() );
- if ( ! no.isNull() && ( m_separators.isNull() || ! m_separators.isEmpty() ) ) {
- TQDomElement sep = doc.createElementNS( ns, "mo" );
- de.appendChild( sep );
- if ( m_separators.isNull() ) {
- sep.appendChild( doc.createTextNode( "," ) );
- }
- else {
- if ( m_separators.at( pos ).isSpace() ) {
- pos++;
- }
- sep.appendChild( doc.createTextNode( TQString ( m_separators.at( pos ) ) ) );
- }
- if ( pos < m_separators.length() - 1 ) {
- pos++;
- }
- }
- node = no;
- }
- parent.appendChild( de );
- node = parent.firstChild();
- while ( ! node.isElement() )
- node = node.nextSibling();
- }
- }
- if ( ! empty ) {
- int contentNumber = inherited::readContentFromMathMLDom( node );
- if ( contentNumber == -1 )
- return -1;
- nodeCounter += contentNumber;
- for (int i = 0; i < contentNumber; i++ ) {
- if ( node.isNull() ) {
- return -1;
- }
- node = node.nextSibling();
- }
- }
- if ( m_operator ) {
- int operatorNumber = operatorType( node, false );
- if ( operatorNumber == -1 ) {
- return -1;
- }
- nodeCounter += operatorNumber;
- }
- kdDebug( DEBUGID ) << "Number of bracket nodes: " << nodeCounter << endl;
- return nodeCounter;
-}
-
-TQString BracketElement::toLatex()
-{
- TQString ls,rs,cs;
- cs=getContent()->toLatex();
- ls="\\left"+latexString(leftType) + " ";
- rs=" \\right"+latexString(rightType);
-
- return ls+cs+rs;
-}
-
-TQString BracketElement::latexString(char type)
-{
- switch (type) {
- case ']':
- return "]";
- case '[':
- return "[";
- case '{':
- return "\\{";
- case '}':
- return "\\}";
- case '(':
- return "(";
- case ')':
- return ")";
- case '|':
- return "|";
- case '<':
- return "\\langle";
- case '>':
- return "\\rangle";
- case '/':
- return "/";
- case '\\':
- return "\\backslash";
- }
- return ".";
-}
-
-TQString BracketElement::formulaString()
-{
- return "(" + getContent()->formulaString() + ")";
-}
-
-int BracketElement::operatorType( TQDomNode& node, bool open )
-{
- int counter = 1;
- SymbolType* type = open ? &leftType : &rightType;
- while ( ! node.isNull() && ! node.isElement() ) {
- node = node.nextSibling();
- counter++;
- }
- if ( node.isElement() ) {
- TQDomElement e = node.toElement();
- TQDomNode child = e.firstChild();
- if ( child.isEntityReference() ) {
- kdWarning() << "Entity Reference\n";
- TQString name = node.nodeName();
- // TODO: To fully support these, SymbolType has to be extended,
- // and better Unicode support is a must
- // CloseCurlyDoubleQuote 0x201D
- // CloseCurlyQoute 0x2019
- // LeftCeiling 0x2308
- // LeftDoubleBracket 0x301A
- // LeftFloor 0x230A
- // OpenCurlyDoubleQuote 0x201C
- // OpenCurlyQuote 0x2018
- // RightCeiling 0x2309
- // RightDoubleBracket 0x301B
- // RightFloor 0x230B
- if ( name == "LeftAngleBracket" ) {
- *type = LeftCornerBracket;
- }
- else if ( name == "RightAngleBracket" ) {
- *type = RightCornerBracket;
- }
- else {
- if ( open ) {
- *type = LeftRoundBracket;
- }
- else
- *type = RightRoundBracket;
- }
- }
- else {
- TQString s = e.text();
- if ( s.isNull() )
- return -1;
- *type = static_cast<SymbolType>( TQString::number( s.at( 0 ).latin1() ).toInt() );
- }
- }
- else {
- return -1;
- }
- return counter;
-}
-
-int BracketElement::searchOperator( const TQDomNode& node )
-{
- TQDomNode n = node;
- for ( int i = -2; ! n.isNull(); n = n.nextSibling() ) {
- if ( n.isElement() ) {
- i++;
- TQDomElement e = n.toElement();
- if ( e.tagName().lower() == "mo" ) {
- // Try to guess looking at attributes
- TQString form = e.attribute( "form" );
- TQString f;
- if ( ! form.isNull() ) {
- f = form.stripWhiteSpace().lower();
- }
- TQString fence = e.attribute( "fence" );
- if ( ! fence.isNull() ) {
- if ( fence.stripWhiteSpace().lower() == "false" ) {
- continue;
- }
- if ( ! f.isNull() ) {
- if ( f == "postfix" ) {
- return i;
- }
- else {
- continue;
- }
- }
- }
-
- // Guess looking at contents
- TQDomNode child = e.firstChild();
- TQString name;
- if ( child.isText() )
- name = child.toText().data().stripWhiteSpace();
- else if ( child.isEntityReference() )
- name = child.nodeName();
- else
- continue;
- if ( name == ")"
- || name == "]"
- || name == "}"
- || name == "CloseCurlyDoubleQuote"
- || name == "CloseCurlyQuote"
- || name == "RightAngleBracket"
- || name == "RightCeiling"
- || name == "RightDoubleBracket"
- || name == "RightFloor" ) {
- if ( f.isNull() || f == "postfix" )
- return i;
- }
- if ( name == "("
- || name == "["
- || name == "{"
- || name == "LeftAngleBracket"
- || name == "LeftCeiling"
- || name == "LeftDoubleBracket"
- || name == "LeftFloor"
- || name == "OpenCurlyQuote" ) {
- if ( ! f.isNull() && f == "postfix" )
- return i;
- }
- }
- }
- }
- return -1;
-}
-
-
-void BracketElement::writeMathMLAttributes( TQDomElement& element ) const
-{
- if ( left->getType() != LeftRoundBracket ||
- right->getType() != RightRoundBracket )
- {
- element.setAttribute( "open", TQString( TQChar( leftType ) ) );
- element.setAttribute( "close", TQString( TQChar( rightType ) ) );
- }
- if ( ! m_separators.isNull() ) {
- element.setAttribute( "separators", m_separators );
- }
-}
-
-OverlineElement::OverlineElement( BasicElement* parent )
- : SingleContentElement( parent )
-{
-}
-
-OverlineElement::~OverlineElement()
-{
-}
-
-OverlineElement::OverlineElement( const OverlineElement& other )
- : SingleContentElement( other )
-{
-}
-
-
-bool OverlineElement::accept( ElementVisitor* visitor )
-{
- return visitor->visit( this );
-}
-
-
-void OverlineElement::entered( SequenceElement* /*child*/ )
-{
- formula()->tell( i18n( "Overline" ) );
-}
-
-
-void OverlineElement::calcSizes( const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style )
-{
- SequenceElement* content = getContent();
- content->calcSizes(context, tstyle,
- context.convertIndexStyleLower(istyle), style );
-
- //luPixel distX = context.ptToPixelX( context.getThinSpace( tstyle, style.sizeFactor() ) );
- luPixel distY = context.ptToPixelY( context.getThinSpace( tstyle, style.sizeFactor() ) );
- //luPixel unit = (content->getHeight() + distY)/ 3;
-
- setWidth( content->getWidth() );
- setHeight( content->getHeight() + distY );
-
- content->setX( 0 );
- content->setY( distY );
- setBaseline(content->getBaseline() + content->getY());
-}
-
-void OverlineElement::draw( TQPainter& painter, const LuPixelRect& r,
- const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style,
- const LuPixelPoint& parentOrigin )
-{
- LuPixelPoint myPos( parentOrigin.x()+getX(), parentOrigin.y()+getY() );
- //if ( !LuPixelRect( myPos.x(), myPos.y(), getWidth(), getHeight() ).intersects( r ) )
- // return;
-
- SequenceElement* content = getContent();
- content->draw( painter, r, context, tstyle,
- context.convertIndexStyleLower( istyle ), style, myPos );
-
- luPixel x = myPos.x();
- luPixel y = myPos.y();
- //int distX = context.getDistanceX(tstyle);
- double factor = style.sizeFactor();
- luPixel distY = context.ptToPixelY( context.getThinSpace( tstyle, factor ) );
- //luPixel unit = (content->getHeight() + distY)/ 3;
-
- painter.setPen( TQPen( context.getDefaultColor(),
- context.layoutUnitToPixelY( context.getLineWidth( factor ) ) ) );
-
- painter.drawLine( context.layoutUnitToPixelX( x ),
- context.layoutUnitToPixelY( y+distY/3 ),
- context.layoutUnitToPixelX( x+content->getWidth() ),
- context.layoutUnitToPixelY( y+distY/3 ) );
-}
-
-
-TQString OverlineElement::toLatex()
-{
- return "\\overline{" + getContent()->toLatex() + "}";
-}
-
-TQString OverlineElement::formulaString()
-{
- return getContent()->formulaString();
-}
-
-void OverlineElement::writeMathML( TQDomDocument& doc, TQDomNode& parent, bool oasisFormat ) const
-{
- TQDomElement de = doc.createElement( oasisFormat ? "math:mover" : "mover" );
- SingleContentElement::writeMathML( doc, de, oasisFormat );
- TQDomElement op = doc.createElement( oasisFormat ? "math:mo" : "mo" );
- // is this the right entity? Mozilla renders it correctly.
- op.appendChild( doc.createEntityReference( "OverBar" ) );
- de.appendChild( op );
- parent.appendChild( de );
-}
-
-
-UnderlineElement::UnderlineElement( BasicElement* parent )
- : SingleContentElement( parent )
-{
-}
-
-UnderlineElement::~UnderlineElement()
-{
-}
-
-
-UnderlineElement::UnderlineElement( const UnderlineElement& other )
- : SingleContentElement( other )
-{
-}
-
-
-bool UnderlineElement::accept( ElementVisitor* visitor )
-{
- return visitor->visit( this );
-}
-
-
-void UnderlineElement::entered( SequenceElement* /*child*/ )
-{
- formula()->tell( i18n( "Underline" ) );
-}
-
-
-void UnderlineElement::calcSizes( const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style )
-{
- SequenceElement* content = getContent();
- double factor = style.sizeFactor();
- content->calcSizes(context, tstyle,
- context.convertIndexStyleLower(istyle), style );
-
- //luPixel distX = context.ptToPixelX( context.getThinSpace( tstyle ) );
- luPixel distY = context.ptToPixelY( context.getThinSpace( tstyle, factor ) );
- //luPixel unit = (content->getHeight() + distY)/ 3;
-
- setWidth( content->getWidth() );
- setHeight( content->getHeight() + distY );
-
- content->setX( 0 );
- content->setY( 0 );
- setBaseline(content->getBaseline() + content->getY());
-}
-
-void UnderlineElement::draw( TQPainter& painter, const LuPixelRect& r,
- const ContextStyle& context,
- ContextStyle::TextStyle tstyle,
- ContextStyle::IndexStyle istyle,
- StyleAttributes& style,
- const LuPixelPoint& parentOrigin )
-{
- LuPixelPoint myPos( parentOrigin.x()+getX(), parentOrigin.y()+getY() );
- //if ( !LuPixelRect( myPos.x(), myPos.y(), getWidth(), getHeight() ).intersects( r ) )
- // return;
-
- SequenceElement* content = getContent();
- content->draw( painter, r, context, tstyle,
- context.convertIndexStyleLower( istyle ), style, myPos );
-
- luPixel x = myPos.x();
- luPixel y = myPos.y();
- //int distX = context.getDistanceX(tstyle);
- //luPixel distY = context.ptToPixelY( context.getThinSpace( tstyle ) );
- //luPixel unit = (content->getHeight() + distY)/ 3;
-
- double factor = style.sizeFactor();
- painter.setPen( TQPen( context.getDefaultColor(),
- context.layoutUnitToPixelY( context.getLineWidth( factor ) ) ) );
-
- painter.drawLine( context.layoutUnitToPixelX( x ),
- context.layoutUnitToPixelY( y+getHeight()-context.getLineWidth( factor ) ),
- context.layoutUnitToPixelX( x+content->getWidth() ),
- context.layoutUnitToPixelY( y+getHeight()-context.getLineWidth( factor ) ) );
-}
-
-
-TQString UnderlineElement::toLatex()
-{
- return "\\underline{" + getContent()->toLatex() + "}";
-}
-
-TQString UnderlineElement::formulaString()
-{
- return getContent()->formulaString();
-}
-
-void UnderlineElement::writeMathML( TQDomDocument& doc, TQDomNode& parent, bool oasisFormat ) const
-{
- TQDomElement de = doc.createElement( oasisFormat ? "math:munder" : "munder" );
- SingleContentElement::writeMathML( doc, de, oasisFormat );
- TQDomElement op = doc.createElement( oasisFormat ? "math:mo" : "mo" );
- // is this the right entity? Mozilla renders it correctly.
- op.appendChild( doc.createEntityReference( "UnderBar" ) );
- de.appendChild( op );
- parent.appendChild( de );
-}
-
-KFORMULA_NAMESPACE_END
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-16 20:39:05 +0000