Method OnTimer

src/tracks/ui/ScrubUI.cpp:109–189

}

void ScrubbingOverlay::OnTimer(Observer::Message)
{
   Scrubber &scrubber = GetScrubber();
   const auto isScrubbing = scrubber.IsScrubbing();
   auto &ruler = AdornedRulerPanel::Get( *mProject );
   auto position = ::wxGetMousePosition();

   if (scrubber.IsSpeedPlaying() || scrubber.IsKeyboardScrubbing())
      return;

   {
      if(scrubber.HasMark()) {
         auto xx = ruler.ScreenToClient(position).x;
         ruler.UpdateQuickPlayPos( xx );

         if (!isScrubbing)
            // Really start scrub if motion is far enough
            scrubber.MaybeStartScrubbing(xx);
      }

      if (!isScrubbing) {
         mNextScrubRect = wxRect();
         return;
      }
      else
         ruler.DrawBothOverlays();
   }

   if (!scrubber.ShouldDrawScrubSpeed()) {
      mNextScrubRect = wxRect();
   }
   else {
      auto &trackPanel = GetProjectPanel( *mProject );
      auto &viewInfo = ViewInfo::Get( *mProject );
      int panelWidth, panelHeight;
      trackPanel.GetSize(&panelWidth, &panelHeight);

      // Where's the mouse?
      position = trackPanel.ScreenToClient(position);

      const bool seeking = scrubber.Seeks() || scrubber.TemporarilySeeks();

      // Find the text
      const double maxScrubSpeed = GetScrubber().GetMaxScrubSpeed();
      const double speed =
         scrubber.IsScrollScrubbing()
         ? scrubber.FindScrubSpeed( seeking,
             ViewInfo::Get( *mProject )
                .PositionToTime(position.x, viewInfo.GetLeftOffset()))
         : maxScrubSpeed;

      const wxChar *format =
         scrubber.IsScrollScrubbing()
         ? seeking
            ? wxT("%+.2fX")
            : wxT("%+.2f")
         : wxT("%.2f");