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Diffstat (limited to 'lib/kformula/symboltable.cpp')
-rw-r--r-- | lib/kformula/symboltable.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/lib/kformula/symboltable.cpp b/lib/kformula/symboltable.cpp new file mode 100644 index 00000000..a25e1b15 --- /dev/null +++ b/lib/kformula/symboltable.cpp @@ -0,0 +1,152 @@ +/* This file is part of the KDE project + Copyright (C) 2001 Andrea Rizzi <[email protected]> + Ulrich Kuettler <[email protected]> + Copyright (C) 2006 Alfredo Beaumont Sainz <[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 <tqfile.h> +#include <tqregexp.h> +#include <tqstring.h> +#include <tqstringlist.h> +#include <tqtextstream.h> +#include <tqfontmetrics.h> + +#include <tdeconfig.h> +#include <kdebug.h> +#include <tdeglobal.h> +#include <tdelocale.h> +#include <kstandarddirs.h> + +#include "symboltable.h" +#include "contextstyle.h" +#include "unicodetable.cpp" + + +KFORMULA_NAMESPACE_BEGIN + +#include "symbolfontmapping.cpp" + +SymbolFontHelper::SymbolFontHelper() + : greek("abgdezhqiklmnxpvrstufjcywGDTQLXPSUFYVW") +{ + for ( uint i = 0; symbolMap[ i ].unicode != 0; i++ ) { + compatibility[ symbolMap[ i ].pos ] = symbolMap[ i ].unicode; + } +} + +TQChar SymbolFontHelper::unicodeFromSymbolFont( TQChar pos ) const +{ + if ( compatibility.contains( pos ) ) { + return compatibility[ pos.latin1() ]; + } + return TQChar::null; +} + + +SymbolTable::SymbolTable() +{ +} + + +void SymbolTable::init( const TQFont& font ) +{ + backupFont = font; + for ( int i=0; operatorTable[i].unicode != 0; ++i ) { + names[TQChar( operatorTable[i].unicode )] = get_name( operatorTable[i] ); + entries[get_name( operatorTable[i] )] = TQChar( operatorTable[i].unicode ); + } + for ( int i=0; arrowTable[i].unicode != 0; ++i ) { + names[TQChar( arrowTable[i].unicode )] = get_name( arrowTable[i] ); + entries[get_name( arrowTable[i] )] = TQChar( arrowTable[i].unicode ); + } + for ( int i=0; greekTable[i].unicode != 0; ++i ) { + names[TQChar( greekTable[i].unicode )] = get_name( greekTable[i] ); + entries[get_name( greekTable[i] )] = TQChar( greekTable[i].unicode ); + } +} + +bool SymbolTable::contains(TQString name) const +{ + return entries.find( name ) != entries.end(); +} + +TQChar SymbolTable::unicode(TQString name) const +{ + return entries[ name ]; +} + + +TQString SymbolTable::name( TQChar symbol ) const +{ + return names[symbol]; +} + +TQFont SymbolTable::font( TQChar symbol, const TQFont& f ) const { + TQFontMetrics fm( f ); + if ( fm.inFont( symbol ) ) { + return f; + } + return TQFont("Arev Sans"); +} + +CharClass SymbolTable::charClass( TQChar symbol ) const +{ + return ORDINARY; + // FIXME +// return entry( symbol, style ).charClass(); +} + + +TQChar SymbolTable::unicodeFromSymbolFont( TQChar pos ) const +{ + return symbolFontHelper.unicodeFromSymbolFont( pos ); +} + + +TQString SymbolTable::greekLetters() const +{ + return symbolFontHelper.greekLetters(); +} + + +TQStringList SymbolTable::allNames() const +{ + TQStringList list; + + for ( int i=0; operatorTable[i].unicode != 0; ++i ) { + list.append( get_name( operatorTable[i] )); + } + for ( int i=0; arrowTable[i].unicode != 0; ++i ) { + list.append( get_name( arrowTable[i] )); + } + for ( int i=0; greekTable[i].unicode != 0; ++i ) { + list.append( get_name( greekTable[i] ) ); + } + return list; +} + + +TQString SymbolTable::get_name( struct UnicodeNameTable entry ) const +{ + if ( !*entry.name ) { + return "U" + TQString( "%1" ).arg( entry.unicode, 4, 16 ).upper(); + } + return entry.name; +} + +KFORMULA_NAMESPACE_END |