channel.h

来自「This a framework to test new ideas in tr」· C头文件 代码 · 共 88 行

/***************************************************************************
                     channel.h  -  Shows one channel
                            -------------------
    begin                :  2003
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
 03/01/20 - ineiti - begin

 **************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 CHANNEL_H__
#define CHANNEL_H__

#include <stdlib.h>
#include <qwidget.h>
#include <qlayout.h>
#include <qptrlist.h>
#include <qspinbox.h>
#include <qwt_plot.h>
#include "serverplug.h"


class TapSpinBox : public QSpinBox{
  Q_OBJECT
public:
  TapSpinBox ( QWidget * parent = 0, const char * name = 0 ): 
    QSpinBox( parent, name ){}
  TapSpinBox ( int minValue, int maxValue, int step = 1, 
	     QWidget * parent = 0, const char * name = 0 ):
    QSpinBox( minValue, maxValue, step, parent, name ){}
  ~TapSpinBox (){};

  
  QString mapValueToText( int value ){
    return QString( "%1%2.%3" ) // -1.0 to 1.0
      .arg( value > 0 ? " " : "-" ).arg( abs( value ) / 10 ).
      arg( abs( value ) % 10 );
  }
  
  int mapTextToValue( bool *ok ){
    *ok = true;
    return (int) ( 10 * text().toFloat() ); // -1.0 to 1.0
  }
};



class Channel : public QWidget {
  Q_OBJECT
    
    public:
  Channel( QWidget *baseW, ServerPlug *s, int c );
  ~Channel();
  
  public slots:
    void valueChange( int i );

 signals:
  void somethingChanged( int channel, QValueList<double> *values );

 protected:
  ServerPlug *server;
  int channel;
  QPtrList<TapSpinBox> taps;
  QwtPlot *plot;
  long channel_sig;
  int filterLen;
};


#endif