Function OnSetRegion

src/SelectUtilities.cpp:226–291

}

void OnSetRegion(AudacityProject &project,
   bool left, bool selection, const TranslatableString &dialogTitle)
{
   auto token = ProjectAudioIO::Get( project ).GetAudioIOToken();
   auto &viewInfo = ViewInfo::Get( project );
   auto &playRegion = viewInfo.playRegion;
   auto &selectedRegion = viewInfo.selectedRegion;
   const auto &formats = ProjectNumericFormats::Get( project );
   auto &window = GetProjectFrame( project );

   const auto getValue = [&]() -> double {
      if (selection) {
         if (left)
            return selectedRegion.t0();
         else
            return selectedRegion.t1();
      }
      else {
         if (left)
            return playRegion.GetStart();
         else
            return playRegion.GetEnd();
      }
   };

   const auto setValue = [&](double value){
      if (selection) {
         if (left)
            selectedRegion.setT0(value, false);
         else
            selectedRegion.setT1(value, false);
      }
      else {
         if (left)
            playRegion.SetStart(value);
         else
            playRegion.SetEnd(value);
      }
   };

   bool bSelChanged = false;
   auto gAudioIO = AudioIO::Get();
   if ((token > 0) && gAudioIO->IsStreamActive(token))
   {
      double indicator = gAudioIO->GetStreamTime();
      setValue(indicator);
      bSelChanged = true;
   }
   else
   {
      auto fmt = formats.GetSelectionFormat();

      TimeDialog dlg(&window, dialogTitle,
         fmt, project, getValue(), XO("Position"));

      if (wxID_OK == dlg.ShowModal())
      {
         //Get the value from the dialog