void CFX_ListCtrl::SetTopItem(int32_t nIndex) {
if (IsValid(nIndex)) {
GetPlateRect();
CFX_FloatRect rcItem = GetItemRectInternal(nIndex);
SetScrollPosY(rcItem.top);
}
}
void CFX_ListCtrl::SetTopItem(int32_t nIndex)
{
if (IsValid(nIndex))
{
GetPlateRect();
CPDF_Rect rcItem = CFX_List::GetItemRect(nIndex);
SetScrollPosY(rcItem.top);
}
}
void CFX_ListCtrl::ScrollToListItem(int32_t nItemIndex) {
if (!IsValid(nItemIndex))
return;
CFX_FloatRect rcPlate = GetPlateRect();
CFX_FloatRect rcItem = GetItemRectInternal(nItemIndex);
CFX_FloatRect rcItemCtrl = GetItemRect(nItemIndex);
if (IsFloatSmaller(rcItemCtrl.bottom, rcPlate.bottom)) {
if (IsFloatSmaller(rcItemCtrl.top, rcPlate.top)) {
SetScrollPosY(rcItem.bottom + rcPlate.Height());
}
} else if (IsFloatBigger(rcItemCtrl.top, rcPlate.top)) {
if (IsFloatBigger(rcItemCtrl.bottom, rcPlate.bottom)) {
SetScrollPosY(rcItem.top);
}
}
}
void CFX_ListCtrl::SetScrollPos(const CPDF_Point & point)
{
SetScrollPosY(point.y);
}