Method Update

src/AdornedRulerPanel.cpp:504–545

}

void AdornedRulerPanel::ScrubbingRulerOverlay::Update()
{
   const auto project = mPartner.mProject;
   auto &scrubber = Scrubber::Get( *project );
   auto ruler = GetRuler();

   bool scrubbing = (scrubber.IsScrubbing()
      && !scrubber.IsSpeedPlaying()
      && !scrubber.IsKeyboardScrubbing());

   // Hide during transport, or if mouse is not in the ruler, unless scrubbing
   if ((!ruler->LastCell() || ProjectAudioIO::Get( *project ).IsAudioActive())
       && !scrubbing)
      mNewQPIndicatorPos = -1;
   else {
      const auto &selectedRegion = ViewInfo::Get( *project ).selectedRegion;
      double latestEnd =
         std::max(ruler->mTracks->GetEndTime(), selectedRegion.t1());
      // This will determine the x coordinate of the line and of the
      // ruler indicator

      // Test all snap points
      mNewIndicatorSnapped = -1;
      for (size_t ii = 0;
           mNewIndicatorSnapped == -1 && ii < ruler->mNumGuides; ++ii) {
         if (ruler->mIsSnapped[ii]) {
            mNewIndicatorSnapped = ii;
         }
      }
      mNewQPIndicatorPos = ruler->Time2Pos(
         ruler->mQuickPlayPos[std::max(0, mNewIndicatorSnapped)]);

      // These determine which shape is drawn on the ruler, and whether
      // in the scrub or the qp zone
      mNewScrub =
         !ruler->IsMouseCaptured() && // not doing some other drag in the ruler
         (ruler->LastCell() == ruler->mScrubbingCell ||
          (scrubber.HasMark()));
      mNewSeek = mNewScrub &&
         (scrubber.Seeks() || scrubber.TemporarilySeeks());
   }
}

unsigned
AdornedRulerPanel::ScrubbingRulerOverlay::SequenceNumber() const