C++ (Cpp) TrackPanel::SetFocusedTrack Examples

Example #1

File: SetTrackInfoCommand.cpp Project: SteveDaulton/audacity

bool SetTrackStatusCommand::ApplyInner(const CommandContext & context, Track * t )
{
   //auto wt = dynamic_cast<WaveTrack *>(t);
   //auto pt = dynamic_cast<PlayableTrack *>(t);

   // You can get some intriguing effects by setting R and L channels to 
   // different values.
   if( bHasTrackName )
      t->SetName(mTrackName);

   // In stereo tracks, both channels need selecting/deselecting.
   if( bHasSelected )
      t->SetSelected(bSelected);

   // These ones don't make sense on the second channel of a stereo track.
   if( !bIsSecondChannel ){
      if( bHasFocused )
      {
         TrackPanel *panel = context.GetProject()->GetTrackPanel();
         if( bFocused)
            panel->SetFocusedTrack( t );
         else if( t== panel->GetFocusedTrack() )
            panel->SetFocusedTrack( nullptr );
      }
   }
   return true;
}