kmymoneycalculator.h

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/***************************************************************************
                          kmymoneycalculator.h  -  description
                             -------------------
    begin                : Sat Oct 19 2002
    copyright            : (C) 2000-2002 by Michael Edwardes
    email                : mte@users.sourceforge.net
                           Javier Campos Morales <javi_c@users.sourceforge.net>
                           Felix Rodriguez <frodriguez@users.sourceforge.net>
                           John C <thetacoturtle@users.sourceforge.net>
                           Thomas Baumgart <ipwizard@users.sourceforge.net>
                           Kevin Tambascio <ktambascio@users.sourceforge.net>
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef KMYMONEYCALCULATOR_H
#define KMYMONEYCALCULATOR_H

// ----------------------------------------------------------------------------
// QT Includes

#include <qwidget.h>
#include <qframe.h>
#include <qlayout.h>
#include <qgrid.h>
#include <qlcdnumber.h>
#include <qlineedit.h>
#include <qlabel.h>

// ----------------------------------------------------------------------------
// KDE Includes

#include <kpushbutton.h>

// ----------------------------------------------------------------------------
// Project Includes

class kMyMoneyCalculator : public QFrame  {
   Q_OBJECT
public:
  kMyMoneyCalculator(QWidget* parent = 0, const char *name = 0);
  ~kMyMoneyCalculator();

  const QString result(void) const;

  void setComma(const QChar ch) { m_comma = ch; };

  void setInitialValues(const QString& value, QKeyEvent* ev);

signals:
  void signalResultAvailable();

protected:
  void keyPressEvent(QKeyEvent* ev);

  QString normalizeString(const double& val);

protected slots:
  void digitClicked(int button);

  void calculationClicked(int button);

  void commaClicked(void);

  void plusminusClicked(void);

  void clearClicked(void);

  void clearAllClicked(void);

  void percentClicked(void);

  void changeDisplay(const QString& str);

private:
  QString operand;

  QString m_result;

  QChar m_comma;

  double op0;

  double op1;

  int op;

  int stackedOp;

  QLabel *display;

  KPushButton *buttons[20];

  enum {
    /* 0-9 are used by digits */
    COMMA = 10,
    /*
     * make sure, that PLUS through EQUAL remain in
     * the order they are. Otherwise, check the calculation
     * signal mapper
     */
    PLUS,
    MINUS,
    SLASH,
    STAR,
    EQUAL,
    PLUSMINUS,
    PERCENT,
    CLEAR,
    CLEARALL,
    /* insert new buttons before this line */
    MAX_BUTTONS
  };

  bool m_clearOperandOnDigit;
};

#endif