void GainCanvas::updateGainUI() { SDRDeviceInfo *devInfo = wxGetApp().getDevice(); DeviceConfig *devConfig = wxGetApp().getConfig()->getDevice(devInfo->getDeviceId()); gains = devInfo->getGains(SOAPY_SDR_RX, 0); SDRRangeMap::iterator gi; numGains = gains.size(); float i = 0; if (!numGains) { return; } spacing = 2.0/numGains; barWidth = (1.0/numGains)*0.7; startPos = spacing/2.0; barHeight = 1.0f; while (gainPanels.size()) { MeterPanel *mDel = gainPanels.back(); gainPanels.pop_back(); bgPanel.removeChild(mDel); delete mDel; } for (auto gi : gains) { MeterPanel *mPanel = new MeterPanel(gi.first, gi.second.minimum(), gi.second.maximum(), devConfig->getGain(gi.first,wxGetApp().getGain(gi.first))); float midPos = -1.0+startPos+spacing*i; mPanel->setPosition(midPos, 0); mPanel->setSize(barWidth, barHeight); bgPanel.addChild(mPanel); gainPanels.push_back(mPanel); i++; } setThemeColors(); }