Add a read-only TX antenna menu entry showing the active one, closing #559

src/AppFrame.cpp

@@ -810,9 +810,19 @@ void AppFrame::updateDeviceParams() {
             antennaMenuItems[wxID_ANTENNA_CURRENT]->SetItemLabel(getSettingsLabel("Antenna", antennaChecked));
         }
     }
-   
+
+    //Add an informative, read-only menu entry to display the current TX selected antenna, if any.
+    if (devInfo->getAntennaNames(SOAPY_SDR_TX, 0).size() > 1) {
+
+        currentTXantennaName = devInfo->getAntennaName(SOAPY_SDR_TX, 0);
+        
+        newSettingsMenu->AppendSeparator();
+        
+        antennaMenuItems[wxID_ANTENNA_CURRENT_TX] = newSettingsMenu->Append(wxID_ANTENNA_CURRENT_TX, getSettingsLabel("TX Antenna", currentTXantennaName));
+        antennaMenuItems[wxID_ANTENNA_CURRENT_TX]->Enable(false);
+    }
+
     //Runtime settings part
-     
     SoapySDR::ArgInfoList::const_iterator args_i;
     settingArgs = soapyDev->getSettingInfo();
 
@@ -1688,6 +1698,16 @@ void AppFrame::OnIdle(wxIdleEvent& event) {
     if (deviceChanged.load()) {
         updateDeviceParams();
     }
+
+    //Refresh the current TX antenna on, if any:
+    if (devInfo) {
+        std::string actualTxAntenna = devInfo->getAntennaName(SOAPY_SDR_TX, 0);
+        
+        if (currentTXantennaName != actualTxAntenna) {
+            currentTXantennaName = actualTxAntenna;
+            antennaMenuItems[wxID_ANTENNA_CURRENT_TX]->SetItemLabel(getSettingsLabel("TX Antenna", currentTXantennaName));
+        }
+    }
     
     //try to garbage collect the retired demodulators.
     wxGetApp().getDemodMgr().garbageCollect();

src/AppFrame.h

@@ -65,7 +65,8 @@
 #define wxID_SETTINGS_BASE 2300
 
 #define wxID_ANTENNA_CURRENT 2500
-#define wxID_ANTENNAS_BASE 2501
+#define wxID_ANTENNA_CURRENT_TX 2501
+#define wxID_ANTENNAS_BASE 2502
 
 #define wxID_DEVICE_ID 3500
 
@@ -222,6 +223,8 @@ private:
     long manualSampleRate = -1;
 
     std::vector<std::string> antennaNames;
+
+   std::string currentTXantennaName;
     
     std::string currentSessionFile;
     

src/sdr/SDRDeviceInfo.cpp

@@ -191,10 +191,26 @@ std::vector<long> SDRDeviceInfo::getSampleRates(int direction, size_t channel) {
 }
 
 std::vector<std::string> SDRDeviceInfo::getAntennaNames(int direction, size_t channel) {
+
     SoapySDR::Device *dev = getSoapyDevice();
 
-    return  dev->listAntennas(direction, channel);
-   
+    if (dev) {
+
+        return  dev->listAntennas(direction, channel);
+    }
+
+    return std::vector<std::string>(); 
+}
+
+std::string SDRDeviceInfo::getAntennaName(int direction, size_t channel) {
+    SoapySDR::Device *dev = getSoapyDevice();
+    
+    if (dev) {
+        return  dev->getAntenna(direction, channel);
+    }
+
+    return std::string("");
+
 }
 
 long SDRDeviceInfo::getSampleRateNear(int direction, size_t channel, long sampleRate_in) {

src/sdr/SDRDeviceInfo.h

@@ -85,6 +85,8 @@ public:
     std::vector<long> getSampleRates(int direction, size_t channel);
 
     std::vector<std::string> getAntennaNames(int direction, size_t channel);
+
+    std::string getAntennaName(int direction, size_t channel);
     
     long getSampleRateNear(int direction, size_t channel, long sampleRate_in);