diff options
Diffstat (limited to 'gr-qtgui/lib/freqdisplayform.cc')
| -rw-r--r-- | gr-qtgui/lib/freqdisplayform.cc | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/gr-qtgui/lib/freqdisplayform.cc b/gr-qtgui/lib/freqdisplayform.cc index 16576b387b..e9968df0b2 100644 --- a/gr-qtgui/lib/freqdisplayform.cc +++ b/gr-qtgui/lib/freqdisplayform.cc @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2012 Free Software Foundation, Inc. + * Copyright 2012,2014 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -39,6 +39,8 @@ FreqDisplayForm::FreqDisplayForm(int nplots, QWidget* parent) d_num_real_data_points = 1024; d_fftsize = 1024; d_fftavg = 1.0; + d_clicked = false; + d_clicked_freq = 0; d_sizemenu = new FFTSizeMenu(this); d_avgmenu = new FFTAverageMenu(this); @@ -53,6 +55,15 @@ FreqDisplayForm::FreqDisplayForm(int nplots, QWidget* parent) connect(d_winmenu, SIGNAL(whichTrigger(gr::filter::firdes::win_type)), this, SLOT(setFFTWindowType(const gr::filter::firdes::win_type))); + d_clearmax_act = new QAction("Clear Max", this); + d_menu->addAction(d_clearmax_act); + connect(d_clearmax_act, SIGNAL(triggered()), + this, SLOT(clearMaxHold())); + d_clearmin_act = new QAction("Clear Min", this); + d_menu->addAction(d_clearmin_act); + connect(d_clearmin_act, SIGNAL(triggered()), + this, SLOT(clearMinHold())); + Reset(); connect(d_display_plot, SIGNAL(plotPointSelected(const QPointF)), @@ -90,6 +101,10 @@ FreqDisplayForm::customEvent( QEvent * e) if(e->type() == FreqUpdateEvent::Type()) { newData(e); } + else if(e->type() == SpectrumFrequencyRangeEventType) { + SetFreqEvent *fevent = (SetFreqEvent*)e; + setFrequencyRange(fevent->getCenterFrequency(), fevent->getBandwidth()); + } } int @@ -147,14 +162,14 @@ FreqDisplayForm::setFrequencyRange(const double centerfreq, std::string strunits[4] = {"Hz", "kHz", "MHz", "GHz"}; double units10 = floor(log10(bandwidth)); double units3 = std::max(floor(units10 / 3.0), 0.0); - double units = pow(10, (units10-fmod(units10, 3.0))); + d_units = pow(10, (units10-fmod(units10, 3.0))); int iunit = static_cast<int>(units3); d_center_freq = centerfreq; d_samp_rate = bandwidth; getPlot()->setFrequencyRange(centerfreq, bandwidth, - units, strunits[iunit]); + d_units, strunits[iunit]); } void @@ -177,3 +192,40 @@ FreqDisplayForm::autoScale(bool en) getPlot()->setAutoScale(d_autoscale_state); getPlot()->replot(); } + +void +FreqDisplayForm::clearMaxHold() +{ + getPlot()->clearMaxData(); +} + +void +FreqDisplayForm::clearMinHold() +{ + getPlot()->clearMinData(); +} + +void +FreqDisplayForm::onPlotPointSelected(const QPointF p) +{ + d_clicked = true; + d_clicked_freq = d_units*p.x(); +} + +bool +FreqDisplayForm::checkClicked() +{ + if(d_clicked) { + d_clicked = false; + return true; + } + else { + return false; + } +} + +float +FreqDisplayForm::getClickedFreq() const +{ + return d_clicked_freq; +} |