static public int NeedScroll(IntPtr l)
{
try {
mg.org.KUI.KScrollView self = (mg.org.KUI.KScrollView)checkSelf(l);
var ret = self.NeedScroll();
pushValue(l, true);
pushValue(l, ret);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
public bool NeedScroll()
{
return(m_scrollView.NeedScroll());
}
public void Refresh(Vector2 scrollPosition, KScrollView view)
{
bool prevVisible = false;
bool nextVisible = false;
//Log.Debug("scrollPosition " + scrollPosition, this);
bool needScroll = view.NeedScroll();
KScrollView.ScrollDir direction = view.direction;
if (needScroll)
{
if (direction == KScrollView.ScrollDir.vertical)
{
if (scrollPosition.y > 0)
{
nextVisible = true;
}
if (scrollPosition.y < 1)
{
prevVisible = true;
}
}
else
{
if (scrollPosition.x > 0)
{
prevVisible = true;
}
if (scrollPosition.x < 1)
{
nextVisible = true;
}
}
}
else
{
//内容比遮罩短时, 除非强行拽否则不显示箭头
//需要配合scrollrect的修改
if (direction == KScrollView.ScrollDir.vertical)
{
if (scrollPosition.y > 1) //强行往下拽, 显示下箭头
{
nextVisible = true;
}
if (scrollPosition.y < 0) //强行往上拽, 显示上箭头
{
prevVisible = true;
}
}
else
{
if (scrollPosition.x > 1)
{
prevVisible = true;
}
if (scrollPosition.x < 0)
{
nextVisible = true;
}
}
}
if (m_prevImage)
{
m_prevImage.Visible = prevVisible;
}
if (m_nextImage)
{
m_nextImage.Visible = nextVisible;
}
}