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Diffstat (limited to 'gr-qtgui/lib/timedisplayform.cc')
| -rw-r--r-- | gr-qtgui/lib/timedisplayform.cc | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/gr-qtgui/lib/timedisplayform.cc b/gr-qtgui/lib/timedisplayform.cc new file mode 100644 index 000000000..809c88a9b --- /dev/null +++ b/gr-qtgui/lib/timedisplayform.cc @@ -0,0 +1,180 @@ +/* -*- c++ -*- */ +/* + * Copyright 2011 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 <QColorDialog> +#include <QMessageBox> +#include <timedisplayform.h> + +TimeDisplayForm::TimeDisplayForm(QWidget* parent) + : QWidget(parent) +{ + _systemSpecifiedFlag = false; + _intValidator = new QIntValidator(this); + _intValidator->setBottom(0); + _timeDomainDisplayPlot = new TimeDomainDisplayPlot(this); + + _numRealDataPoints = 1024; + + Reset(); + + // Create a timer to update plots at the specified rate + displayTimer = new QTimer(this); + connect(displayTimer, SIGNAL(timeout()), this, SLOT(UpdateGuiTimer())); + + connect(_timeDomainDisplayPlot, SIGNAL(plotPointSelected(const QPointF)), + this, SLOT(onTimePlotPointSelected(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; + + displayTimer->stop(); + delete displayTimer; +} + +void +TimeDisplayForm::newData( const TimeUpdateEvent* spectrumUpdateEvent) +{ + const gr_complex* timeDomainDataPoints = spectrumUpdateEvent->getTimeDomainPoints(); + const uint64_t numTimeDomainDataPoints = spectrumUpdateEvent->getNumTimeDomainDataPoints(); + const timespec generatedTimestamp = spectrumUpdateEvent->getDataTimestamp(); + + // FIXME: make time domain display take complex inputs + double *real = new double[numTimeDomainDataPoints]; + double *imag = new double[numTimeDomainDataPoints]; + for(uint64_t i = 0; i < numTimeDomainDataPoints; i++) { + real[i] = timeDomainDataPoints[i].real(); + imag[i] = timeDomainDataPoints[i].imag(); + } + + _timeDomainDisplayPlot->PlotNewData(real, imag, + numTimeDomainDataPoints, + d_update_time); + + // Tell the system the GUI has been updated + //if(_systemSpecifiedFlag){ + // _system->SetLastGUIUpdateTime(generatedTimestamp); + // _system->DecrementPendingGUIUpdateEvents(); + //} + + delete [] real; + delete [] imag; +} + +void +TimeDisplayForm::resizeEvent( QResizeEvent *e ) +{ + QSize s(0,0); + //s.setWidth(TimeDomainDisplayFrame->width()); + //s.setHeight(TimeDomainDisplayFrame->height()); + emit _timeDomainDisplayPlot->resizeSlot(&s); +} + +void +TimeDisplayForm::customEvent( QEvent * e) +{ + if(e->type() == 10005) { + TimeUpdateEvent* timeUpdateEvent = (TimeUpdateEvent*)e; + newData(timeUpdateEvent); + } + //else if(e->type() == 10008){ + //setWindowTitle(((SpectrumWindowCaptionEvent*)e)->getLabel()); + //} + //else if(e->type() == 10009){ + //Reset(); + //if(_systemSpecifiedFlag){ + // _system->ResetPendingGUIUpdateEvents(); + //} + //} +} + +void +TimeDisplayForm::UpdateGuiTimer() +{ + _timeDomainDisplayPlot->canvas()->update(); +} + +void +TimeDisplayForm::onTimePlotPointSelected(const QPointF p) +{ + emit plotPointSelected(p, 3); +} + +void +TimeDisplayForm::SetFrequencyRange(const double newCenterFrequency, + const double newStartFrequency, + const double newStopFrequency) +{ + double fdiff = std::max(fabs(newStartFrequency), fabs(newStopFrequency)); + + if(fdiff > 0) { + std::string strtime[4] = {"sec", "ms", "us", "ns"}; + double units10 = floor(log10(fdiff)); + 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); + + _startFrequency = newStartFrequency; + _stopFrequency = newStopFrequency; + + _timeDomainDisplayPlot->SetSampleRate(_stopFrequency - _startFrequency, + units, strtime[iunit]); + } +} + +void +TimeDisplayForm::Reset() +{ +} + + +void +TimeDisplayForm::closeEvent( QCloseEvent *e ) +{ + //if(_systemSpecifiedFlag){ + // _system->SetWindowOpenFlag(false); + //} + + qApp->processEvents(); + + QWidget::closeEvent(e); +} + +void +TimeDisplayForm::SetTimeDomainAxis(double min, double max) +{ + _timeDomainDisplayPlot->set_yaxis(min, max); +} + +void +TimeDisplayForm::SetUpdateTime(double t) +{ + d_update_time = t; + // QTimer class takes millisecond input + displayTimer->start(d_update_time*1000); +} + |