reimplemented pointer default functionality

app/widget/timelinewidget/timelinescaledobject.cpp

@@ -0,0 +1,37 @@
+#include "timelinescaledobject.h"
+
+TimelineScaledObject::TimelineScaledObject() :
+  scale_(1.0)
+{
+
+}
+
+const rational &TimelineScaledObject::timebase()
+{
+  return timebase_;
+}
+
+const double &TimelineScaledObject::timebase_dbl()
+{
+  return timebase_dbl_;
+}
+
+double TimelineScaledObject::TimeToScene(const rational &time)
+{
+  return time.toDouble() * scale_;
+}
+
+rational TimelineScaledObject::SceneToTime(const double &x)
+{
+  // Adjust screen point by scale and timebase
+  qint64 scaled_x_mvmt = qRound64(x / scale_ / timebase_dbl_);
+
+  // Return a time in the timebase
+  return rational(scaled_x_mvmt * timebase_.numerator(), timebase_.denominator());
+}
+
+void TimelineScaledObject::SetTimebaseInternal(const rational &timebase)
+{
+  timebase_ = timebase;
+  timebase_dbl_ = timebase_.toDouble();
+}