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koffice/lib/kformula/contextstyle.cc

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18 KiB

/* This file is part of the KDE project
Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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 <qfontmetrics.h>
#include <qstring.h>
#include <kdebug.h>
#include <KoGlobal.h>
#include "contextstyle.h"
#include "fontstyle.h"
KFORMULA_NAMESPACE_BEGIN
ContextStyle::ContextStyle()
: symbolFont( "Symbol" ),
defaultColor(Qt::black), numberColor(Qt::blue),
operatorColor(Qt::darkGreen), errorColor(Qt::darkRed),
emptyColor(Qt::blue), helpColor( Qt::gray ), m_sizeFactor( 0 )
{
// kdDebug() << "ContextStyle::ContextStyle" << endl
// << "defaultFont: " << defaultFont.rawName() << endl
// << "nameFont: " << nameFont.rawName() << endl
// << "numberFont: " << numberFont.rawName() << endl
// << "operatorFont: " << operatorFont.rawName() << endl
// << "symbolFont: " << symbolFont.rawName() << endl;
textStyleValues[ displayStyle ].setup( 1. );
textStyleValues[ textStyle ].setup( 1. );
textStyleValues[ scriptStyle ].setup( .7 );
textStyleValues[ scriptScriptStyle ].setup( .49 );
m_baseTextStyle = displayStyle;
lineWidth = 1;
linearMovement = false;
centerSymbol = true;
m_syntaxHighlighting = true;
m_fontStyle = 0;
}
ContextStyle::~ContextStyle()
{
delete m_fontStyle;
}
void ContextStyle::init( bool init )
{
setup();
setFontStyle( m_fontStyleName, init );
}
void ContextStyle::setFontStyle( const QString& fontStyle, bool init )
{
delete m_fontStyle;
m_fontStyleName = fontStyle;
m_fontStyle = new FontStyle();
m_fontStyle->init( this, init );
}
const SymbolTable& ContextStyle::symbolTable() const
{
return *( m_fontStyle->symbolTable() );
}
void ContextStyle::readConfig( KConfig* config, bool init )
{
config->setGroup( "kformula Font" );
QString fontName = config->readEntry( "defaultFont", "Times,12,-1,5,50,1,0,0,0,0" );
defaultFont.fromString( fontName );
fontName = config->readEntry( "nameFont", "Times,12,-1,5,50,0,0,0,0,0" );
nameFont.fromString( fontName );
fontName = config->readEntry( "numberFont", "Times,12,-1,5,50,0,0,0,0,0" );
numberFont.fromString( fontName );
fontName = config->readEntry( "operatorFont", "Times,12,-1,5,50,0,0,0,0,0" );
operatorFont.fromString( fontName );
QString baseSize = config->readEntry( "baseSize", "20" );
m_baseSize = baseSize.toInt();
if ( ! FontStyle::missingFonts( init ).isEmpty() ) {
kdWarning( DEBUGID) << "Not all basic fonts found\n";
}
mathFont.fromString("Arev Sans");
bracketFont.fromString("cmex10");
// There's no gui right anymore but I'll leave it here...
config->setGroup( "kformula Color" );
defaultColor = config->readColorEntry( "defaultColor", &defaultColor );
numberColor = config->readColorEntry( "numberColor", &numberColor );
operatorColor = config->readColorEntry( "operatorColor", &operatorColor );
emptyColor = config->readColorEntry( "emptyColor", &emptyColor );
errorColor = config->readColorEntry( "errorColor", &errorColor );
helpColor = config->readColorEntry( "helpColor", &helpColor );
m_syntaxHighlighting = config->readBoolEntry( "syntaxHighlighting", true );
}
void ContextStyle::setZoomAndResolution( int zoom, int dpiX, int dpiY )
{
KoZoomHandler::setZoomAndResolution( zoom, dpiX, dpiY );
}
bool ContextStyle::setZoomAndResolution( int zoom, double zoomX, double zoomY, bool, bool )
{
bool changes = m_zoom != zoom || m_zoomedResolutionX != zoomX || m_zoomedResolutionY != zoomY;
m_zoom = zoom;
m_zoomedResolutionX = zoomX;
m_zoomedResolutionY = zoomY;
return changes;
}
QColor ContextStyle::getNumberColor() const
{
if ( edit() && syntaxHighlighting() ) {
return numberColor;
}
return getDefaultColor();
}
QColor ContextStyle::getOperatorColor() const
{
if ( edit() && syntaxHighlighting() ) {
return operatorColor;
}
return getDefaultColor();
}
QColor ContextStyle::getErrorColor() const
{
if ( edit() && syntaxHighlighting() ) {
return errorColor;
}
return getDefaultColor();
}
QColor ContextStyle::getEmptyColor() const
{
if ( edit() && syntaxHighlighting() ) {
return emptyColor;
}
return getDefaultColor();
}
QColor ContextStyle::getHelpColor() const
{
if ( edit() && syntaxHighlighting() ) {
return helpColor;
}
return getDefaultColor();
}
void ContextStyle::setDefaultColor( const QColor& color )
{
defaultColor = color;
}
void ContextStyle::setNumberColor( const QColor& color )
{
numberColor = color;
}
void ContextStyle::setOperatorColor( const QColor& color )
{
operatorColor = color;
}
void ContextStyle::setErrorColor( const QColor& color )
{
errorColor = color;
}
void ContextStyle::setEmptyColor( const QColor& color )
{
emptyColor = color;
}
void ContextStyle::setHelpColor( const QColor& color )
{
helpColor = color;
}
#if 0
const QStringList& ContextStyle::requestedFonts() const
{
return m_requestedFonts;
}
void ContextStyle::setRequestedFonts( const QStringList& list )
{
m_requestedFonts = list;
//table.init( this );
}
#endif
double ContextStyle::getReductionFactor( TextStyle tstyle ) const
{
return textStyleValues[ tstyle ].reductionFactor;
}
luPt ContextStyle::getAdjustedSize( TextStyle tstyle, double factor ) const
{
return qRound( ptToLayoutUnitPt( m_sizeFactor
* m_baseSize
* getReductionFactor( tstyle )
* factor
* zoom() / 100.0 ) );
}
luPixel ContextStyle::getSpace( TextStyle tstyle, SpaceWidth space, double factor ) const
{
switch ( space ) {
case NEGTHIN: return -getThinSpace( tstyle, factor );
case THIN: return getThinSpace( tstyle, factor );
case MEDIUM: return getMediumSpace( tstyle, factor );
case THICK: return getThickSpace( tstyle, factor );
case QUAD: return getQuadSpace( tstyle, factor );
}
return 0;
}
luPixel ContextStyle::getThinSpace( TextStyle tstyle, double factor ) const
{
return ptToPixelX( m_sizeFactor
* textStyleValues[ tstyle ].thinSpace( quad )
* factor
* zoom() / 100.0 );
}
luPixel ContextStyle::getMediumSpace( TextStyle tstyle, double factor ) const
{
return ptToPixelX( m_sizeFactor
* textStyleValues[ tstyle ].mediumSpace( quad )
* factor
* zoom() / 100.0 );
}
luPixel ContextStyle::getThickSpace( TextStyle tstyle, double factor ) const
{
return ptToPixelX( m_sizeFactor
* textStyleValues[ tstyle ].thickSpace( quad )
* factor
* zoom() / 100.0 );
}
luPixel ContextStyle::getQuadSpace( TextStyle tstyle, double factor ) const
{
return ptToPixelX( m_sizeFactor
* textStyleValues[ tstyle ].quadSpace( quad )
* factor
* zoom() / 100.0 );
}
luPixel ContextStyle::axisHeight( TextStyle tstyle, double factor ) const
{
//return ptToPixelY( textStyleValues[ tstyle ].axisHeight( m_axisHeight ) );
return static_cast<luPixel>( m_sizeFactor
* textStyleValues[ tstyle ].axisHeight( m_axisHeight )
* factor
* zoom() / 100.0 );
}
luPt ContextStyle::getBaseSize() const
{
return static_cast<luPt>( ptToLayoutUnitPt( m_sizeFactor*m_baseSize ) );
}
void ContextStyle::setBaseSize( int size )
{
//kdDebug( 40000 ) << "ContextStyle::setBaseSize" << endl;
if ( size != m_baseSize ) {
m_baseSize = size;
setup();
}
}
void ContextStyle::setSizeFactor( double factor )
{
m_sizeFactor = factor;
}
luPixel ContextStyle::getLineWidth( double factor ) const
{
return ptToLayoutUnitPixX( m_sizeFactor*lineWidth*factor*zoom() / 100.0 );
}
luPixel ContextStyle::getEmptyRectWidth( double factor ) const
{
return ptToLayoutUnitPixX( m_sizeFactor*m_baseSize*factor*(zoom() / 100.0)/1.8 );
}
luPixel ContextStyle::getEmptyRectHeight( double factor ) const
{
return ptToLayoutUnitPixX( m_sizeFactor*m_baseSize*factor*(zoom() / 100.0)/1.8 );
}
ContextStyle::TextStyle ContextStyle::convertTextStyleFraction( TextStyle tstyle ) const
{
TextStyle result;
switch ( tstyle ){
case displayStyle:
result = textStyle;
break;
case textStyle:
result = scriptStyle;
break;
default:
result = scriptScriptStyle;
break;
}
return result;
}
ContextStyle::TextStyle ContextStyle::convertTextStyleIndex( TextStyle tstyle ) const
{
TextStyle result;
switch ( tstyle ){
case displayStyle:
result = scriptStyle;
break;
case textStyle:
result = scriptStyle;
break;
default:
result = scriptScriptStyle;
break;
}
return result;
}
void ContextStyle::setup()
{
luPt size = static_cast<luPt>( m_baseSize );
QFont font = symbolFont;
font.setPointSize( size );
QFontMetrics fm( font );
// Or better the real space required? ( boundingRect )
quad = ptToLayoutUnitPt( fm.width( 'M' ) );
font = QFont(defaultFont);
font.setPointSize( size );
QFontMetrics fm2( font );
//m_axisHeight = ptToLayoutUnitPt( fm2.strikeOutPos() );
//ptToLayoutUnitPixY
//m_axisHeight = ptToLayoutUnitPt( pixelYToPt( fm2.strikeOutPos() ) );
m_axisHeight = ptToLayoutUnitPixY( pixelYToPt( fm2.strikeOutPos() ) );
}
double StyleAttributes::sizeFactor() const
{
if ( m_size.empty() ) {
// kdWarning( DEBUGID ) << "SizeFactor stack is empty.\n";
return 1.0;
}
return m_size.top();
}
bool StyleAttributes::customMathVariant() const
{
if ( m_customMathVariant.empty() ) {
return false;
}
return m_customMathVariant.top();
}
CharStyle StyleAttributes::charStyle() const
{
if ( m_charStyle.empty() ) {
// kdWarning( DEBUGID ) << "CharStyle stack is empty.\n";
return anyChar;
}
return m_charStyle.top();
}
CharFamily StyleAttributes::charFamily() const
{
if ( m_charFamily.empty() ) {
// kdWarning( DEBUGID ) << "CharFamily stack is empty.\n";
return anyFamily;
}
return m_charFamily.top();
}
QColor StyleAttributes::color() const
{
if ( m_color.empty() ) {
// kdWarning( DEBUGID ) << "Color stack is empty.\n";
return QColor( Qt::black );
//return getDefaultColor();
}
return m_color.top();
}
QColor StyleAttributes::background() const
{
if ( m_background.empty() ) {
// kdWarning( DEBUGID ) << "Background stack is empty.\n";
return QColor( Qt::color0 );
}
return m_background.top();
}
QFont StyleAttributes::font() const
{
if ( m_font.empty() ) {
return QFont();
}
return m_font.top();
}
bool StyleAttributes::fontWeight() const
{
if ( m_fontWeight.empty() ) {
return false;
}
return m_fontWeight.top();
}
bool StyleAttributes::customFontWeight() const
{
if ( m_customFontWeight.empty() ) {
return false;
}
return m_customFontWeight.top();
}
bool StyleAttributes::fontStyle() const
{
if ( m_fontStyle.empty() ) {
return false;
}
return m_fontStyle.top();
}
bool StyleAttributes::customFontStyle() const
{
if ( m_customFontStyle.empty() ) {
return false;
}
return m_customFontStyle.top();
}
bool StyleAttributes::customFont() const
{
if ( m_customFontFamily.empty() ) {
return false;
}
return m_customFontFamily.top();
}
int StyleAttributes::scriptLevel() const
{
if ( m_scriptLevel.empty() ) {
return 0;
}
return m_scriptLevel.top();
}
double StyleAttributes::scriptSizeMultiplier() const
{
if ( m_scriptSizeMultiplier.empty() ) {
return scriptsizemultiplier;
}
return m_scriptSizeMultiplier.top();
}
double StyleAttributes::scriptMinSize() const
{
if ( m_scriptMinSize.empty() ) {
return scriptminsize;
}
return m_scriptMinSize.top();
}
double StyleAttributes::veryVeryThinMathSpace() const
{
if ( m_veryVeryThinMathSpace.empty() ) {
return veryverythinmathspace;
}
return m_veryVeryThinMathSpace.top();
}
double StyleAttributes::veryThinMathSpace() const
{
if ( m_veryThinMathSpace.empty() ) {
return verythinmathspace;
}
return m_veryThinMathSpace.top();
}
double StyleAttributes::thinMathSpace() const
{
if ( m_thinMathSpace.empty() ) {
return thinmathspace;
}
return m_thinMathSpace.top();
}
double StyleAttributes::mediumMathSpace() const
{
if ( m_mediumMathSpace.empty() ) {
return mediummathspace;
}
return m_mediumMathSpace.top();
}
double StyleAttributes::thickMathSpace() const
{
if ( m_thickMathSpace.empty() ) {
return thickmathspace;
}
return m_thickMathSpace.top();
}
double StyleAttributes::veryThickMathSpace() const
{
if ( m_veryThickMathSpace.empty() ) {
return verythickmathspace;
}
return m_veryThickMathSpace.top();
}
double StyleAttributes::veryVeryThickMathSpace() const
{
if ( m_veryVeryThickMathSpace.empty() ) {
return veryverythickmathspace;
}
return m_veryVeryThickMathSpace.top();
}
bool StyleAttributes::displayStyle() const
{
if ( m_displayStyle.empty() ) {
return true;
}
return m_displayStyle.top();
}
bool StyleAttributes::customDisplayStyle() const
{
if ( m_customDisplayStyle.empty() ) {
return false;
}
return m_customDisplayStyle.top();
}
double StyleAttributes::getSpace( SizeType type, double length ) const
{
switch ( type ) {
case NegativeVeryVeryThinMathSpace:
return - veryVeryThinMathSpace();
case NegativeVeryThinMathSpace:
return - veryThinMathSpace();
case NegativeThinMathSpace:
return - thinMathSpace();
case NegativeMediumMathSpace:
return - mediumMathSpace();
case NegativeThickMathSpace:
return - thickMathSpace();
case NegativeVeryThickMathSpace:
return - veryThickMathSpace();
case NegativeVeryVeryThickMathSpace:
return - veryVeryThickMathSpace();
case VeryVeryThinMathSpace:
return veryVeryThinMathSpace();
case VeryThinMathSpace:
return veryThinMathSpace();
case ThinMathSpace:
return thinMathSpace();
case MediumMathSpace:
return mediumMathSpace();
case ThickMathSpace:
return thickMathSpace();
case VeryThickMathSpace:
return veryThickMathSpace();
case VeryVeryThickMathSpace:
return veryVeryThickMathSpace();
default:
break;
}
return length;
}
void StyleAttributes::resetSize()
{
if ( ! m_size.empty() ) {
m_size.pop();
}
}
void StyleAttributes::resetCharStyle()
{
if ( ! m_charStyle.empty() ) {
m_charStyle.pop();
}
}
void StyleAttributes::resetCharFamily()
{
if ( ! m_charFamily.empty() ) {
m_charFamily.pop();
}
}
void StyleAttributes::resetColor()
{
if ( ! m_color.empty() ) {
m_color.pop();
}
}
void StyleAttributes::resetBackground()
{
if ( ! m_background.empty() ) {
m_background.pop();
}
}
void StyleAttributes::resetFontFamily()
{
if ( ! m_customFontFamily.empty() ) {
if ( m_customFontFamily.pop() ) {
if ( ! m_font.empty() ) {
m_font.pop();
}
}
}
}
void StyleAttributes::resetFontWeight()
{
if ( ! m_customFontWeight.empty() ) {
if ( m_customFontWeight.pop() ) {
if ( ! m_fontWeight.empty() ) {
m_fontWeight.pop();
}
}
}
}
void StyleAttributes::resetFontStyle()
{
if ( ! m_customFontStyle.empty() ) {
if ( m_customFontStyle.pop() ) {
if ( ! m_fontStyle.empty() ) {
m_fontStyle.pop();
}
}
}
}
void StyleAttributes::resetScriptLevel()
{
if ( ! m_scriptLevel.empty() ) {
m_scriptLevel.pop();
}
}
void StyleAttributes::resetScriptSizeMultiplier()
{
if ( ! m_scriptSizeMultiplier.empty() ) {
m_scriptSizeMultiplier.pop();
}
}
void StyleAttributes::resetScriptMinSize()
{
if ( ! m_scriptMinSize.empty() ) {
m_scriptMinSize.pop();
}
}
void StyleAttributes::resetVeryVeryThinMathSpace()
{
if ( ! m_veryVeryThinMathSpace.empty() ) {
m_veryVeryThinMathSpace.pop();
}
}
void StyleAttributes::resetVeryThinMathSpace()
{
if ( ! m_veryThinMathSpace.empty() ) {
m_veryThinMathSpace.pop();
}
}
void StyleAttributes::resetThinMathSpace()
{
if ( ! m_thinMathSpace.empty() ) {
m_thinMathSpace.pop();
}
}
void StyleAttributes::resetMediumMathSpace()
{
if ( ! m_mediumMathSpace.empty() ) {
m_mediumMathSpace.pop();
}
}
void StyleAttributes::resetThickMathSpace()
{
if ( ! m_thickMathSpace.empty() ) {
m_thickMathSpace.pop();
}
}
void StyleAttributes::resetVeryThickMathSpace()
{
if ( ! m_veryThickMathSpace.empty() ) {
m_veryThickMathSpace.pop();
}
}
void StyleAttributes::resetVeryVeryThickMathSpace()
{
if ( ! m_veryVeryThickMathSpace.empty() ) {
m_veryVeryThickMathSpace.pop();
}
}
void StyleAttributes::resetDisplayStyle()
{
if ( ! m_customDisplayStyle.empty() ) {
if ( m_customDisplayStyle.pop() ) {
if ( ! m_displayStyle.empty() ) {
m_displayStyle.pop();
}
}
}
}
KFORMULA_NAMESPACE_END