122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/******************************************************************************
|
|
* Qwt Widget Library
|
|
* Copyright (C) 1997 Josef Wilgen
|
|
* Copyright (C) 2002 Uwe Rathmann
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the Qwt License, Version 1.0
|
|
*****************************************************************************/
|
|
|
|
#include "TunerBox.h"
|
|
|
|
#include <QwtWheel>
|
|
#include <QwtSlider>
|
|
#include <QwtThermo>
|
|
#include <QwtMath>
|
|
|
|
#include <QLayout>
|
|
#include <QLabel>
|
|
|
|
class TuningThermo : public QWidget
|
|
{
|
|
public:
|
|
TuningThermo( QWidget* parent )
|
|
: QWidget( parent )
|
|
{
|
|
m_thermo = new QwtThermo( this );
|
|
m_thermo->setOrientation( Qt::Horizontal );
|
|
m_thermo->setScalePosition( QwtThermo::NoScale );
|
|
m_thermo->setScale( 0.0, 1.0 );
|
|
m_thermo->setFillBrush( Qt::green );
|
|
|
|
QLabel* label = new QLabel( "Tuning", this );
|
|
label->setAlignment( Qt::AlignCenter );
|
|
|
|
QVBoxLayout* layout = new QVBoxLayout( this );
|
|
layout->setContentsMargins( QMargins() );
|
|
layout->addWidget( m_thermo );
|
|
layout->addWidget( label );
|
|
|
|
setFixedWidth( 3 * label->sizeHint().width() );
|
|
}
|
|
|
|
void setValue( double value )
|
|
{
|
|
m_thermo->setValue( value );
|
|
}
|
|
|
|
private:
|
|
QwtThermo* m_thermo;
|
|
};
|
|
|
|
TunerBox::TunerBox( QWidget* parent ):
|
|
QFrame( parent )
|
|
{
|
|
const double freqMin = 87.5;
|
|
const double freqMax = 108;
|
|
|
|
m_sliderFrequency = new QwtSlider( this );
|
|
m_sliderFrequency->setOrientation( Qt::Horizontal );
|
|
m_sliderFrequency->setScalePosition( QwtSlider::TrailingScale );
|
|
m_sliderFrequency->setScale( freqMin, freqMax );
|
|
m_sliderFrequency->setTotalSteps(
|
|
qRound( ( freqMax - freqMin ) / 0.01 ) );
|
|
m_sliderFrequency->setSingleSteps( 1 );
|
|
m_sliderFrequency->setPageSteps( 10 );
|
|
m_sliderFrequency->setScaleMaxMinor( 5 );
|
|
m_sliderFrequency->setScaleMaxMajor( 12 );
|
|
m_sliderFrequency->setHandleSize( QSize( 80, 20 ) );
|
|
m_sliderFrequency->setBorderWidth( 1 );
|
|
|
|
m_thermoTune = new TuningThermo( this );
|
|
|
|
m_wheelFrequency = new QwtWheel( this );
|
|
m_wheelFrequency->setMass( 0.5 );
|
|
m_wheelFrequency->setRange( 87.5, 108 );
|
|
m_wheelFrequency->setSingleStep( 0.01 );
|
|
m_wheelFrequency->setPageStepCount( 10 );
|
|
m_wheelFrequency->setTotalAngle( 3600.0 );
|
|
m_wheelFrequency->setFixedHeight( 30 );
|
|
|
|
|
|
connect( m_wheelFrequency, SIGNAL(valueChanged(double)), SLOT(adjustFreq(double)) );
|
|
connect( m_sliderFrequency, SIGNAL(valueChanged(double)), SLOT(adjustFreq(double)) );
|
|
|
|
QVBoxLayout* mainLayout = new QVBoxLayout( this );
|
|
mainLayout->setContentsMargins( 10, 10, 10, 10 );
|
|
mainLayout->setSpacing( 5 );
|
|
mainLayout->addWidget( m_sliderFrequency );
|
|
|
|
QHBoxLayout* hLayout = new QHBoxLayout;
|
|
hLayout->setContentsMargins( QMargins() );
|
|
hLayout->addWidget( m_thermoTune, 0 );
|
|
hLayout->addStretch( 5 );
|
|
hLayout->addWidget( m_wheelFrequency, 2 );
|
|
|
|
mainLayout->addLayout( hLayout );
|
|
}
|
|
|
|
void TunerBox::adjustFreq( double frq )
|
|
{
|
|
const double factor = 13.0 / ( 108 - 87.5 );
|
|
|
|
const double x = ( frq - 87.5 ) * factor;
|
|
const double field = qwtSqr( std::sin( x ) * std::cos( 4.0 * x ) );
|
|
|
|
m_thermoTune->setValue( field );
|
|
|
|
if ( m_sliderFrequency->value() != frq )
|
|
m_sliderFrequency->setValue( frq );
|
|
if ( m_wheelFrequency->value() != frq )
|
|
m_wheelFrequency->setValue( frq );
|
|
|
|
Q_EMIT fieldChanged( field );
|
|
}
|
|
|
|
void TunerBox::setFreq( double frq )
|
|
{
|
|
m_wheelFrequency->setValue( frq );
|
|
}
|
|
|
|
#include "moc_TunerBox.cpp"
|