C++ (Cpp) WaveTrack::GetSelectedの例

コード例 #1

ファイル: ScienFilter.cpp プロジェクト: MartynShaw/audacity

bool EffectScienFilter::Init()
{
   int selcount = 0;
   double rate = 0.0;

   TrackListOfKindIterator iter(Track::Wave, mTracks);
   WaveTrack *t = (WaveTrack *) iter.First();

   mNyquist = (t ? t->GetRate() : GetActiveProject()->GetRate()) / 2.0;

   while (t)
   {
      if (t->GetSelected() && t->GetKind() == Track::Wave)
      {
         if (selcount == 0)
         {
            rate = t->GetRate();
         }
         else
         {
            if (t->GetRate() != rate)
            {
               wxMessageBox(_("To apply a filter, all selected tracks must have the same sample rate."));
               return false;
            }
         }
         selcount++;
      }
      t = (WaveTrack *) iter.Next();
   }

   return true;
}