mIndicatorHideDuration(DEFAULT_INDICATOR_HIDE_DURATION),
mTransientIndicatorDuration(DEFAULT_INDICATOR_TRANSIENT_DURATION),
mScrollStart(0.0f),
+ mGestureDisplacement( Vector3::ZERO ),
mCurrentScrollPosition(0.0f),
mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable),
mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT),