70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
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#include "mainwindow.h"
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#include "plot.h"
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#include "knob.h"
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#include "wheelbox.h"
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#include <qwt_scale_engine.h>
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#include <qlabel.h>
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#include <qlayout.h>
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MainWindow::MainWindow( QWidget *parent ):
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QWidget( parent )
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{
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const double intervalLength = 10.0; // seconds
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d_plot = new Plot( this );
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d_plot->setIntervalLength( intervalLength );
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d_amplitudeKnob = new Knob( "Amplitude", 0.0, 200.0, this );
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d_amplitudeKnob->setValue( 160.0 );
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d_frequencyKnob = new Knob( "Frequency [Hz]", 0.1, 20.0, this );
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d_frequencyKnob->setValue( 17.8 );
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d_intervalWheel = new WheelBox( "Displayed [s]", 1.0, 100.0, 1.0, this );
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d_intervalWheel->setValue( intervalLength );
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d_timerWheel = new WheelBox( "Sample Interval [ms]", 0.0, 20.0, 0.1, this );
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d_timerWheel->setValue( 10.0 );
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QVBoxLayout* vLayout1 = new QVBoxLayout();
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vLayout1->addWidget( d_intervalWheel );
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vLayout1->addWidget( d_timerWheel );
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vLayout1->addStretch( 10 );
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vLayout1->addWidget( d_amplitudeKnob );
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vLayout1->addWidget( d_frequencyKnob );
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QHBoxLayout *layout = new QHBoxLayout( this );
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layout->addWidget( d_plot, 10 );
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layout->addLayout( vLayout1 );
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connect( d_amplitudeKnob, SIGNAL( valueChanged( double ) ),
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SIGNAL( amplitudeChanged( double ) ) );
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connect( d_frequencyKnob, SIGNAL( valueChanged( double ) ),
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SIGNAL( frequencyChanged( double ) ) );
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connect( d_timerWheel, SIGNAL( valueChanged( double ) ),
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SIGNAL( signalIntervalChanged( double ) ) );
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connect( d_intervalWheel, SIGNAL( valueChanged( double ) ),
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d_plot, SLOT( setIntervalLength( double ) ) );
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}
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void MainWindow::start()
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{
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d_plot->start();
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}
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double MainWindow::frequency() const
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{
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return d_frequencyKnob->value();
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}
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double MainWindow::amplitude() const
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{
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return d_amplitudeKnob->value();
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}
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double MainWindow::signalInterval() const
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{
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return d_timerWheel->value();
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}
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