kalzium/src/orbitswidget.h

   1 #ifndef ORBITSWIDGET_H
   2 #define ORBITSWIDGET_H
   3 /***************************************************************************
   4
   5                            orbitswidget.h  -  description
   6                              -------------------
   7     begin                : June 2003
   8     copyright            : (C) 2003, 2004 by Carsten Niehaus
   9     email                : cniehaus@kde.org
  10  ***************************************************************************/
  11
  12 /***************************************************************************
  13  *                                                                         *
  14  *   This program is free software; you can redistribute it and/or modify  *
  15  *   it under the terms of the GNU General Public License as published by  *
  16  *   the Free Software Foundation; either version 2 of the License, or     *
  17  *   (at your option) any later version.                                   *
  18  *                                                                         *
  19  ***************************************************************************/
  20
  21
  22 #include <qwidget.h>
  23 #include <math.h>
  24
  25 /**
  26  * @short the widget which displays the Bohr-orbit of the element
  27  * @author Carsten Niehaus
  28  */
  29 class OrbitsWidget : public QWidget
  30 {
  31         Q_OBJECT
  32
  33         public:
  34                 OrbitsWidget( const int Elemno , QWidget *parent=0 , const char *name =0 );
  35                 OrbitsWidget( QWidget *parent=0 , const char *name =0 );
  36
  37                 void setElementNumber( const int num );
  38
  39
  40         private:
  41                 /**
  42                  * the elementnumber we are looking at
  43                  */
  44                 int Elemno;
  45
  46                 /**
  47                  * the number off hulls the atom has
  48                  */
  49                 int num;
  50
  51                 typedef QValueList<int> intList;
  52                 intList numOfElectrons;
  53
  54                 QStringList hulllist;
  55
  56                 const QString& getNumber() const;
  57
  58                 /**
  59                  * @return the delta of the x-coordinate
  60                  * @param r is the radius of the circle
  61                  * @param angle is the n'st circle out of num
  62                  * @param num is the number of circles
  63                  */
  64                 inline double translateToDX( const double r , const double angle , const int num )
  65                 {
  66                         return( r * sin( M_PI * angle / num * 2 ) );
  67                 }
  68
  69                 /**
  70                  * @return the delta of the y-coordinate
  71                  * @param r is the radius of the circle
  72                  * @param angle is the n'st circle out of num
  73                  * @param num is the number of circles
  74                  */
  75                 inline double translateToDY( const double r , const double angle , const int num )
  76                 {
  77                         return( r * cos( M_PI * angle / num * 2 ) );
  78                 }
  79
  80                 /**
  81                  * sets everything up
  82                  */
  83                 void getNumberOfOrbits();
  84
  85         protected slots:
  86                 virtual void paintEvent(  QPaintEvent* );
  87 };
  88
  89 #endif // ORBITSWIDGET_H
  90