PopupPane.java 文件源码

private int getAbsoluteY(HumanInputEvent ev) {
    if (ev instanceof MouseEvent) {
        return  ((MouseEvent)ev).getClientY()+ Window.getScrollTop();
    }
    if (ev instanceof TouchEvent) {
        JsArray<Touch> tAry= ((TouchEvent)ev).getTargetTouches();
        return tAry.get(0).getClientY() + Window.getScrollTop();
    }
    return 0;
}