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Diffstat (limited to 'katapult/plugins/catalogs/calculatorcatalog/calculatorcatalog.h')
| -rw-r--r-- | katapult/plugins/catalogs/calculatorcatalog/calculatorcatalog.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/katapult/plugins/catalogs/calculatorcatalog/calculatorcatalog.h b/katapult/plugins/catalogs/calculatorcatalog/calculatorcatalog.h new file mode 100644 index 0000000..88f03cc --- /dev/null +++ b/katapult/plugins/catalogs/calculatorcatalog/calculatorcatalog.h @@ -0,0 +1,122 @@ +/*************************************************************************** + * Copyright (C) 2005 Tobi Vollebregt * + * tobivollebregt@gmail.com * + * * + * Copyright (C) 2005 by Joe Ferris * + * jferris@optimistictech.com * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program 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 General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + ***************************************************************************/ +#ifndef CALCULATORCATALOG_H +#define CALCULATORCATALOG_H + +#include <kgenericfactory.h> + +#include <qmap.h> +#include <qptrlist.h> +#include <qstring.h> +#include <qvaluevector.h> + +#include "expression.h" +#include "katapultcatalog.h" + +class QWidget; + +typedef double (*FunPtr)(double); + +/** +@author Tobi Vollebregt + */ +class CalculatorCatalog : public KatapultCatalog +{ + Q_OBJECT + + public: + + struct ParserControl { + const char* expression; + CalculatorCatalog* catalog; + bool assignments; //are assignments enabled? + double result; + }; + + struct Function { + const char* name; + int length; + FunPtr fptr; + }; + + CalculatorCatalog(QObject*, const char*, const QStringList&); + virtual ~CalculatorCatalog(); + + //virtual void initialize(); + virtual void readSettings(KConfigBase*); + virtual void writeSettings(KConfigBase*); + virtual QWidget* configure(); + + int getVarID(const char*); + double getVar(int) const; + double setVar(int, double); + + int fracDigits() const; + bool scientific() const; + bool degrees() const; + bool clipboard() const; + QString formatString() const; + const Function* functionTable() const; + + protected: + + virtual void queryChanged(); + + private: + + typedef QMap<QString, int> VarNameToIdMap; + typedef QValueVector<double> VarIdToValueVector; + + static const Function radiansFunctionTable[]; + static const Function degreesFunctionTable[]; + + void reset(); + bool accepts(const QString&) const; + + Expression _result; // The one result (there's always one). + + VarNameToIdMap varNameToId; // Maps strings to IDs. + VarIdToValueVector varIdToValue; // Maps IDs to values. + QString _pendingVarName; // Pending while rest of assignment is parsed. + + int _fracDigits; // Number of fractional digits. + bool _bScientific; // Normal or scientific mode? + bool _bDegrees; // Radians or degrees? + bool _bClipboard; // Copy to clipboard? + QString _formatString; // for clipboard copy + + private slots: + + void fracDigitsChanged(int); + void scientificChanged(bool); + void degreesChanged(bool); + void clipboardChanged(bool); + void formatStringChanged(const QString&); + +}; + + +/* from parser.y / parser.cpp: */ +int yyparse(CalculatorCatalog::ParserControl*); + +#endif |