diff options
Diffstat (limited to 'gr-qtgui/lib/freqdisplayform.cc')
| -rw-r--r-- | gr-qtgui/lib/freqdisplayform.cc | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/gr-qtgui/lib/freqdisplayform.cc b/gr-qtgui/lib/freqdisplayform.cc index 16576b387b..537325f6b9 100644 --- a/gr-qtgui/lib/freqdisplayform.cc +++ b/gr-qtgui/lib/freqdisplayform.cc @@ -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); @@ -90,6 +92,10 @@ 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 +153,16 @@ 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; + std::cerr << "FDISP NEW FREQ: " << centerfreq << std::endl; + getPlot()->setFrequencyRange(centerfreq, bandwidth, - units, strunits[iunit]); + d_units, strunits[iunit]); } void @@ -177,3 +185,30 @@ FreqDisplayForm::autoScale(bool en) getPlot()->setAutoScale(d_autoscale_state); getPlot()->replot(); } + +void +FreqDisplayForm::onPlotPointSelected(const QPointF p) +{ + d_clicked = true; + d_clicked_freq = d_units*p.x(); + + setFrequencyRange(d_clicked_freq, d_samp_rate); +} + +bool +FreqDisplayForm::checkClicked() +{ + if(d_clicked) { + d_clicked = false; + return true; + } + else { + return false; + } +} + +float +FreqDisplayForm::getClickedFreq() const +{ + return d_clicked_freq; +} |