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124 lines
3.8 KiB
124 lines
3.8 KiB
/***************************************************************************
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* Copyright (C) 2005 Tobi Vollebregt *
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* tobivollebregt@gmail.com *
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* *
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* Copyright (C) 2005 by Joe Ferris *
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* jferris@optimistictech.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef CALCULATORCATALOG_H
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#define CALCULATORCATALOG_H
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#include <kgenericfactory.h>
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#include <tqmap.h>
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#include <tqptrlist.h>
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#include <tqstring.h>
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#include <tqvaluevector.h>
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#include "expression.h"
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#include <katapultcatalog.h>
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class TQWidget;
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typedef double (*FunPtr)(double);
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/**
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@author Tobi Vollebregt
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*/
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class CalculatorCatalog : public KatapultCatalog
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{
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Q_OBJECT
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public:
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struct ParserControl {
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const char* expression;
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CalculatorCatalog* catalog;
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bool assignments; //are assignments enabled?
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double result;
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};
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struct Function {
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const char* name;
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int length;
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FunPtr fptr;
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};
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CalculatorCatalog(TQObject*, const char*, const TQStringList&);
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virtual ~CalculatorCatalog();
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//virtual void initialize();
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virtual void readSettings(TDEConfigBase*);
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virtual void writeSettings(TDEConfigBase*);
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virtual TQWidget* configure();
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int getVarID(const char*);
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double getVar(int) const;
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double setVar(int, double);
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int fracDigits() const;
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bool scientific() const;
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bool degrees() const;
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bool clipboard() const;
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TQString formatString() const;
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const Function* functionTable() const;
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protected:
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virtual void queryChanged();
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private:
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typedef TQMap<TQString, int> VarNameToIdMap;
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typedef TQValueVector<double> VarIdToValueVector;
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static const Function radiansFunctionTable[];
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static const Function degreesFunctionTable[];
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void reset();
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bool accepts(const TQString&) const;
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Expression _result; // The one result (there's always one).
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VarNameToIdMap varNameToId; // Maps strings to IDs.
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VarIdToValueVector varIdToValue; // Maps IDs to values.
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TQString _pendingVarName; // Pending while rest of assignment is parsed.
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int _fracDigits; // Number of fractional digits.
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bool _bScientific; // Normal or scientific mode?
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bool _bDegrees; // Radians or degrees?
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bool _bClipboard; // Copy to clipboard?
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TQString _formatString; // for clipboard copy
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private slots:
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void fracDigitsChanged(int);
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void scientificChanged(bool);
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void degreesChanged(bool);
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void clipboardChanged(bool);
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void formatStringChanged(const TQString&);
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};
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/* from parser.y / parser.cpp: */
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int yyparse(CalculatorCatalog::ParserControl*);
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#endif
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