kalzium/src/somwidget_impl.h

   1 #ifndef SOMWIDGET_IMPL_H
   2 #define SOMWIDGET_IMPL_H
   3 /***************************************************************************
   4     copyright            : (C) 2005, 2006 by Carsten Niehaus
   5     email                : cniehaus@kde.org
   6  ***************************************************************************/
   7 /***************************************************************************
   8  *                                                                         *
   9  *   This program is free software; you can redistribute it and/or modify  *
  10  *   it under the terms of the GNU General Public License as published by  *
  11  *   the Free Software Foundation; either version 2 of the License, or     *
  12  *   (at your option) any later version.                                   *
  13  *                                                                         *
  14  ***************************************************************************/
  15
  16 #include <QWidget>
  17 #include "ui_somwidget.h"
  18
  19 class Element;
  20
  21 /**
  22  * @class SOMWidgetIMPL
  23  * @author Carsten Niehaus
  24  * @author Pino Toscano
  25  *
  26  * The SOMWidgetIMPL provides a QSlider. When this slider is moved,
  27  * this widget will display which elements have a boiling or melting
  28  * point near the temperature the user entered using the slider.
  29  */
  30 class SOMWidgetIMPL : public QWidget, private Ui_SOMWidget
  31 {
  32         Q_OBJECT
  33
  34         public:
  35                 /**
  36                  * @param parent The parent of this widget
  37                  */
  38                 SOMWidgetIMPL( QWidget *parent = 0 );
  39
  40                 int temperature() const;
  41
  42         public slots:
  43                 /**
  44                  * Reload the current unit from the preferences
  45                  */
  46                 void reloadUnits();
  47
  48         private:
  49                 QList<Element*> m_list;
  50                 QString m_htmlBegin;
  51                 QString m_htmlEnd;
  52                 int m_prevUnit;
  53
  54         private slots:
  55                 void sliderValueChanged( int temp );
  56
  57                 /**
  58                  * in this slot the elements will be compared with
  59                  * the temperature @p newtemp. The content of the HTML
  60                  * will be generated
  61                  */
  62                 void setNewTemp( int newtemp );
  63
  64         signals:
  65                 /**
  66                  * Emitted when the chosen temperature is changed.
  67                  * The temperature @p newtemp is expressed always in Kelvin.
  68                  */
  69                 void temperatureChanged( int newtemp );
  70 };
  71 #endif // SOMWIDGET_IMPL_H