diff options
Diffstat (limited to 'gr-qtgui/lib/waterfalldisplayform.cc')
| -rw-r--r-- | gr-qtgui/lib/waterfalldisplayform.cc | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/gr-qtgui/lib/waterfalldisplayform.cc b/gr-qtgui/lib/waterfalldisplayform.cc index f4dd2fd338..51f518f375 100644 --- a/gr-qtgui/lib/waterfalldisplayform.cc +++ b/gr-qtgui/lib/waterfalldisplayform.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 * @@ -46,6 +46,9 @@ WaterfallDisplayForm::WaterfallDisplayForm(int nplots, QWidget* parent) d_min_val = 1000; d_max_val = -1000; + d_clicked = false; + d_clicked_freq = 0; + // We don't use the normal menus that are part of the displayform. // Clear them out to get rid of their resources. for(int i = 0; i < nplots; i++) { @@ -136,6 +139,10 @@ WaterfallDisplayForm::customEvent( QEvent * e) if(e->type() == WaterfallUpdateEvent::Type()) { newData(e); } + else if(e->type() == SpectrumFrequencyRangeEventType) { + SetFreqEvent *fevent = (SetFreqEvent*)e; + setFrequencyRange(fevent->getCenterFrequency(), fevent->getBandwidth()); + } } int @@ -217,14 +224,14 @@ WaterfallDisplayForm::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]); getPlot()->replot(); } @@ -269,3 +276,28 @@ WaterfallDisplayForm::clearData() { getPlot()->clearData(); } + +void +WaterfallDisplayForm::onPlotPointSelected(const QPointF p) +{ + d_clicked = true; + d_clicked_freq = d_units*p.x(); +} + +bool +WaterfallDisplayForm::checkClicked() +{ + if(d_clicked) { + d_clicked = false; + return true; + } + else { + return false; + } +} + +float +WaterfallDisplayForm::getClickedFreq() const +{ + return d_clicked_freq; +} |