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/* -*- c++ -*- */
/*
* Copyright 2011,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <cmath>
#include <QMessageBox>
#include <timedisplayform.h>
#include <iostream>
TimeDisplayForm::TimeDisplayForm(int nplots, QWidget* parent)
: DisplayForm(nplots, parent)
{
_intValidator = new QIntValidator(this);
_intValidator->setBottom(0);
_layout = new QGridLayout(this);
_displayPlot = new TimeDomainDisplayPlot(nplots, this);
_layout->addWidget(_displayPlot, 0, 0);
setLayout(_layout);
NPointsMenu *nptsmenu = new NPointsMenu(this);
_menu->addAction(nptsmenu);
connect(nptsmenu, SIGNAL(whichTrigger(int)),
this, SLOT(setNPoints(const int)));
Reset();
connect(_displayPlot, SIGNAL(plotPointSelected(const QPointF)),
this, SLOT(onPlotPointSelected(const QPointF)));
}
TimeDisplayForm::~TimeDisplayForm()
{
// Qt deletes children when parent is deleted
// Don't worry about deleting Display Plots - they are deleted when parents are deleted
delete _intValidator;
}
TimeDomainDisplayPlot*
TimeDisplayForm::getPlot()
{
return ((TimeDomainDisplayPlot*)_displayPlot);
}
void
TimeDisplayForm::newData(const QEvent* updateEvent)
{
TimeUpdateEvent *tevent = (TimeUpdateEvent*)updateEvent;
const std::vector<double*> dataPoints = tevent->getTimeDomainPoints();
const uint64_t numDataPoints = tevent->getNumTimeDomainDataPoints();
getPlot()->plotNewData(dataPoints,
numDataPoints,
d_update_time);
}
void
TimeDisplayForm::customEvent(QEvent * e)
{
if(e->type() == TimeUpdateEvent::Type()) {
newData(e);
}
}
void
TimeDisplayForm::setSampleRate(const double samprate)
{
if(samprate > 0) {
std::string strtime[4] = {"sec", "ms", "us", "ns"};
double units10 = floor(log10(samprate));
double units3 = std::max(floor(units10 / 3.0), 0.0);
double units = pow(10, (units10-fmod(units10, 3.0)));
int iunit = static_cast<int>(units3);
getPlot()->setSampleRate(samprate, units, strtime[iunit]);
}
else {
throw std::runtime_error("TimeDisplayForm: samprate must be > 0.\n");
}
}
void
TimeDisplayForm::setYaxis(double min, double max)
{
getPlot()->setYaxis(min, max);
}
int
TimeDisplayForm::getNPoints() const
{
return d_npoints;
}
void
TimeDisplayForm::setNPoints(const int npoints)
{
d_npoints = npoints;
}
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