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tdeedu/kalzium/src/orbitswidget.h

88 lines
2.4 KiB

#ifndef ORBITSWIDGET_H
#define ORBITSWIDGET_H
/***************************************************************************
orbitswidget.h - description
-------------------
begin : June 2003
copyright : (C) 2003, 2004, 2005 by Carsten Niehaus
email : cniehaus@kde.org
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <tqwidget.h>
#include <math.h>
/**
* @short the widget which displays the Bohr-orbit of the element
* @author Carsten Niehaus
*/
class OrbitsWidget : public TQWidget
{
Q_OBJECT
TQ_OBJECT
public:
OrbitsWidget( TQWidget *parent=0 , const char *name =0 );
void setElementNumber( const int num );
private:
/**
* the elementnumber we are looking at
*/
int Elemno;
/**
* the number off hulls the atom has
*/
int num;
typedef TQValueList<int> intList;
intList numOfElectrons;
const TQString& getNumber() const;
/**
* @return the delta of the x-coordinate
* @param r is the radius of the circle
* @param angle is the n'st circle out of num
* @param num is the number of circles
*/
inline double translateToDX( const double r , const double angle , const int num )
{
return( r * sin( M_PI * angle / num * 2 ) );
}
/**
* @return the delta of the y-coordinate
* @param r is the radius of the circle
* @param angle is the n'st circle out of num
* @param num is the number of circles
*/
inline double translateToDY( const double r , const double angle , const int num )
{
return( r * cos( M_PI * angle / num * 2 ) );
}
/**
* sets everything up
*/
void getNumberOfOrbits();
protected slots:
virtual void paintEvent( TQPaintEvent* );
};
#endif // ORBITSWIDGET_H