Method HandleQPRelease

src/AdornedRulerPanel.cpp:1978–2029

}

void AdornedRulerPanel::HandleQPRelease(wxMouseEvent &evt)
{
   auto &viewInfo = ViewInfo::Get(*GetProject());
   auto &playRegion = viewInfo.playRegion;
   playRegion.Order();

   const double t0 = mTracks->GetStartTime();
   const double t1 = mTracks->GetEndTime();
   const auto &selectedRegion = viewInfo.selectedRegion;
   const double sel0 = selectedRegion.t0();
   const double sel1 = selectedRegion.t1();

   // We want some audio in the selection, but we allow a dragged
   // region to include selected white-space and space before audio start.
   if (evt.ShiftDown() && playRegion.Empty()) {
      // Looping the selection or project.
      // Disable if track selection is in white-space beyond end of tracks and
      // play position is outside of track contents.
      if (((sel1 < t0) || (sel0 > t1)) &&
          ((playRegion.GetStart() < t0) || (playRegion.GetStart() > t1))) {
         ClearPlayRegion();
      }
   }
   // Disable if beyond end.
   else if (playRegion.GetStart() >= t1) {
      ClearPlayRegion();
   }
   // Disable if empty selection before start.
   // (allow Quick-Play region to include 'pre-roll' white space)
   else if (
      playRegion.GetEnd() - playRegion.GetStart() > 0.0 &&
      playRegion.GetEnd() < t0
   ) {
      ClearPlayRegion();
   }

   mMouseEventState = mesNone;
   mIsDragging = false;
   mLeftDownClick = -1;

   auto cleanup = finally( [&] {
      if (mOldPlayRegion.Active()) {
         // Restore Locked Play region
         SetPlayRegion(mOldPlayRegion.GetStart(), mOldPlayRegion.GetEnd());
         SelectUtilities::ActivatePlayRegion(*mProject);
         // and release local lock
         mOldPlayRegion.SetActive( false );
      }
   } );

   StartQPPlay(!evt.ShiftDown(), evt.ControlDown());
}

auto AdornedRulerPanel::QPHandle::Cancel(AudacityProject *pProject) -> Result
{