Method FillHostDevices

src/toolbars/DeviceToolBar.cpp:436–517

}

void DeviceToolBar::FillHostDevices()
{
   const std::vector<DeviceSourceMap> &inMaps  = DeviceManager::Instance()->GetInputDeviceMaps();
   const std::vector<DeviceSourceMap> &outMaps = DeviceManager::Instance()->GetOutputDeviceMaps();

   //read what is in the prefs
   auto host = AudioIOHost.Read();
   int foundHostIndex = -1;

   // if the host is not in the hosts combo then we rescanned.
   // set it to blank so we search for another host.
   if (mHost->FindString(host) == wxNOT_FOUND) {
      host = wxT("");
   }

   for (auto & device : outMaps) {
      if (device.hostString == host) {
         foundHostIndex = device.hostIndex;
         break;
      }
   }

   if (foundHostIndex == -1) {
      for (auto & device : inMaps) {
         if (device.hostString == host) {
            foundHostIndex = device.hostIndex;
            break;
         }
      }
   }

   // If no host was found based on the prefs device host, load the first available one
   if (foundHostIndex == -1) {
      if (outMaps.size()) {
         foundHostIndex = outMaps[0].hostIndex;
      }
      else if (inMaps.size()) {
         foundHostIndex = inMaps[0].hostIndex;
      }
   }

   // Make sure in/out are clear in case no host was found
   mInput->Clear();
   mOutput->Clear();

   // If we still have no host it means no devices, in which case do nothing.
   if (foundHostIndex == -1) {
      return;
   }

   // Repopulate the Input/Output device list available to the user
   for (auto & device : inMaps) {
      if (foundHostIndex == device.hostIndex) {
         mInput->Append(MakeDeviceSourceString(&device));
         if (host.empty()) {
            host = device.hostString;
            AudioIOHost.Write(host);
            mHost->SetStringSelection(host);