void AppFrame::OnIdle(wxIdleEvent& event) {
bool work_done = false;
//#ifdef __APPLE__
// std::this_thread::sleep_for(std::chrono::milliseconds(4));
// std::this_thread::yield();
//#endif
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
if (demod) {
DemodulatorInstance *demod = wxGetApp().getDemodMgr().getLastActiveDemodulator();
if (demod->isTracking()) {
if (spectrumCanvas->getViewState()) {
long long diff = abs(demod->getFrequency() - spectrumCanvas->getCenterFrequency()) + (demod->getBandwidth()/2) + (demod->getBandwidth()/4);
if (diff > spectrumCanvas->getBandwidth()/2) {
if (demod->getBandwidth() > spectrumCanvas->getBandwidth()) {
diff = abs(demod->getFrequency() - spectrumCanvas->getCenterFrequency());
} else {
diff = diff - spectrumCanvas->getBandwidth()/2;
}
spectrumCanvas->moveCenterFrequency((demod->getFrequency() < spectrumCanvas->getCenterFrequency())?diff:-diff);
demod->setTracking(false);
}
} else {
demod->setTracking(false);
}
}
if (demod != activeDemodulator) {
demodSignalMeter->setInputValue(demod->getSquelchLevel());
demodGainMeter->setInputValue(demod->getGain());
int outputDevice = demod->getOutputDevice();
scopeCanvas->setDeviceName(outputDevices[outputDevice].name);
outputDeviceMenuItems[outputDevice]->Check(true);
int dType = demod->getDemodulatorType();
demodModeSelector->setSelection(dType);
}
if (demodWaterfallCanvas->getDragState() == WaterfallCanvas::WF_DRAG_NONE) {
long long centerFreq = demod->getFrequency();
unsigned int demodBw = (unsigned int) ceil((float) demod->getBandwidth() * 2.25);
if (demod->getDemodulatorType() == DEMOD_TYPE_USB) {
demodBw /= 2;
centerFreq += demod->getBandwidth() / 4;
}
if (demod->getDemodulatorType() == DEMOD_TYPE_LSB) {
demodBw /= 2;
centerFreq -= demod->getBandwidth() / 4;
}
if (demodBw > wxGetApp().getSampleRate() / 2) {
demodBw = wxGetApp().getSampleRate() / 2;
}
if (demodBw < 20000) {
demodBw = 20000;
}
if (centerFreq != demodWaterfallCanvas->getCenterFrequency()) {
demodWaterfallCanvas->setCenterFrequency(centerFreq);
demodSpectrumCanvas->setCenterFrequency(centerFreq);
}
int dSelection = demodModeSelector->getSelection();
if (dSelection != -1 && dSelection != demod->getDemodulatorType()) {
demod->setDemodulatorType(dSelection);
}
demodWaterfallCanvas->setBandwidth(demodBw);
demodSpectrumCanvas->setBandwidth(demodBw);
}
demodSignalMeter->setLevel(demod->getSignalLevel());
demodGainMeter->setLevel(demod->getGain());
if (demodSignalMeter->inputChanged()) {
demod->setSquelchLevel(demodSignalMeter->getInputValue());
}
if (demodGainMeter->inputChanged()) {
demod->setGain(demodGainMeter->getInputValue());
demodGainMeter->setLevel(demodGainMeter->getInputValue());
}
activeDemodulator = demod;
} else {
DemodulatorMgr *mgr = &wxGetApp().getDemodMgr();
int dSelection = demodModeSelector->getSelection();
if (dSelection != -1 && dSelection != mgr->getLastDemodulatorType()) {
mgr->setLastDemodulatorType(dSelection);
}
demodGainMeter->setLevel(mgr->getLastGain());
if (demodSignalMeter->inputChanged()) {
mgr->setLastSquelchLevel(demodSignalMeter->getInputValue());
}
if (demodGainMeter->inputChanged()) {
mgr->setLastGain(demodGainMeter->getInputValue());
demodGainMeter->setLevel(demodGainMeter->getInputValue());
}
if (wxGetApp().getFrequency() != demodWaterfallCanvas->getCenterFrequency()) {
demodWaterfallCanvas->setCenterFrequency(wxGetApp().getFrequency());
demodSpectrumCanvas->setCenterFrequency(wxGetApp().getFrequency());
}
if (spectrumCanvas->getViewState() && abs(wxGetApp().getFrequency()-spectrumCanvas->getCenterFrequency()) > (wxGetApp().getSampleRate()/2)) {
spectrumCanvas->setCenterFrequency(wxGetApp().getFrequency());
waterfallCanvas->setCenterFrequency(wxGetApp().getFrequency());
}
}
if (demodTuner->getMouseTracker()->mouseInView()) {
if (!demodTuner->HasFocus()) {
demodTuner->SetFocus();
}
} else if (!waterfallCanvas->HasFocus()) {
waterfallCanvas->SetFocus();
}
scopeCanvas->setPPMMode(demodTuner->isAltDown());
event.Skip();
}
