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142 lines
2.9 KiB
C++

#include "WaterfallWidget.h"
#include "Spectrogramplot.h"
#include "Lineplot.h"
#include "Events.h"
#include <qlayout.h>
#include <qpushbutton.h>
#include <algorithm>
using namespace std;
WaterfallWidget::WaterfallWidget(int numDataPoints, int numRows, QWidget *parent)
:QWidget(parent)
{
p_ = new Lineplot();
s_ = new Spectrogramplot(numDataPoints, numRows);
b_ = new QPushButton("Autoscale");
connect(b_, SIGNAL(clicked()), this, SLOT(autoscale()));
QVBoxLayout* vLayout1 = new QVBoxLayout(this);
vLayout1->addWidget(p_);vLayout1->setStretch(0,1);
vLayout1->addWidget(s_);vLayout1->setStretch(1,3);
vLayout1->addWidget(b_);
numPoints_ = numDataPoints;
data_ = new double[numPoints_];
timerId_ = startTimer(10);
haveNewData_ = false;
}
WaterfallWidget::~WaterfallWidget()
{
delete p_;
delete s_;
}
void WaterfallWidget::customEvent( QEvent * e )
{
if(e->type() == RealDataEvent::type)
{
RealDataEvent* dataEvent = (RealDataEvent*)e;
appendData(dataEvent);
}
}
void WaterfallWidget::setWidgetTitle(QString title)
{
setWindowTitle(title);
}
void WaterfallWidget::setPlotXLabel(QString xLabel)
{
p_->setAxisTitle(QwtPlot::xBottom, xLabel);
}
void WaterfallWidget::setPlotYLabel(QString yLabel)
{
p_->setAxisTitle(QwtPlot::yLeft, yLabel);
}
void WaterfallWidget::setPlotXAxisRange(double xMin, double xMax)
{
p_->setXAxisRange(xMin, xMax);
}
void WaterfallWidget::setPlotXAxisScale(double xMin, double xMax)
{
p_->setAxisScale(QwtPlot::xBottom, xMin, xMax);
}
void WaterfallWidget::setPlotYAxisScale(double yMin, double yMax)
{
p_->setAxisScale(QwtPlot::yLeft, yMin, yMax);
}
void WaterfallWidget::setSpectrogramXLabel(QString xLabel)
{
s_->setAxisTitle(QwtPlot::xBottom, xLabel);
}
void WaterfallWidget::setSpectrogramYLabel(QString yLabel)
{
s_->setAxisTitle(QwtPlot::yLeft, yLabel);
}
void WaterfallWidget::setSpectrogramXAxisRange(double xMin, double xMax)
{
s_->setXAxisRange(xMin, xMax);
}
void WaterfallWidget::setSpectrogramYAxisRange(double yMin, double yMax)
{
s_->setYAxisRange(yMin, yMax);
}
void WaterfallWidget::setSpectrogramZAxisScale(double zMin, double zMax)
{
s_->setZAxisScale(zMin, zMax);
}
void WaterfallWidget::autoscale()
{
double min = s_->min();
double max = s_->max();
s_->setZAxisScale(min, max);
p_->setAxisAutoScale(QwtPlot::yLeft, false);
p_->setAxisScale(QwtPlot::yLeft, min, max);
}
void WaterfallWidget::timerEvent(QTimerEvent *event)
{
if(event->timerId() == timerId_)
{
if(haveNewData_)
{
p_->replot();
s_->replot();
haveNewData_ = false;
}
return;
}
QWidget::timerEvent(event);
}
void WaterfallWidget::appendData(RealDataEvent* e)
{
if(e->numPoints_ != numPoints_)
{
numPoints_ = e->numPoints_;
delete [] data_;
data_ = new double[numPoints_];
}
memcpy(data_, e->dataPoints_, numPoints_*sizeof(double));
p_->setData(data_, numPoints_);
s_->appendData(data_, numPoints_);
haveNewData_ = true;
}