@SuppressWarnings("rawtypes") @Override public void handleComponentEvent(GridEvent ge) { super.handleComponentEvent(ge); int type = ge.getEventTypeInt(); Element target = ge.getTarget(); if (!ignoreScroll && (type == Event.ONSCROLL && liveScroller.dom.isOrHasChild(target)) || (type == Event.ONMOUSEWHEEL && mainBody.dom.isOrHasChild(target))) { ge.stopEvent(); if (type == Event.ONMOUSEWHEEL) { int v = ge.getEvent().getMouseWheelVelocityY() * getCalculatedRowHeight(); liveScroller.setScrollTop(liveScroller.getScrollTop() + v); } else { updateRows( (int) Math.ceil((double) liveScroller.getScrollTop() / getCalculatedRowHeight()), false); } } }