void CGUIWrappingListContainer::ValidateOffset()
{
if (m_itemsPerPage <= (int)m_items.size())
return;
// no need to check the range here, but we need to check we have
// more items than slots.
ResetExtraItems();
if (m_items.size())
{
unsigned int numItems = m_items.size();
while (m_items.size() < (unsigned int)m_itemsPerPage)
{
// add additional copies of items, as we require extras at render time
for (unsigned int i = 0; i < numItems; i++)
{
if (m_items[i]->IsFileItem())
m_items.push_back(CFileItemPtr(new CFileItem(*(CFileItem *)m_items[i].get())));
else
m_items.push_back(CGUIListItemPtr(new CGUIListItem(*m_items[i])));
m_extraItems++;
}
}
}
}
CGUIListItemPtr CGUIBaseContainer::GetListItem(int offset, unsigned int flag) const
{
if (!m_items.size() || !m_layout)
return CGUIListItemPtr();
int item = GetSelectedItem() + offset;
if (flag & INFOFLAG_LISTITEM_POSITION) // use offset from the first item displayed, taking into account scrolling
item = CorrectOffset((int)(m_scroller.GetValue() / m_layout->Size(m_orientation)), offset);
if (flag & INFOFLAG_LISTITEM_ABSOLUTE) // use offset from the first item
item = CorrectOffset(0, offset);
if (flag & INFOFLAG_LISTITEM_WRAP)
{
item %= ((int)m_items.size());
if (item < 0) item += m_items.size();
return m_items[item];
}
else
{
if (item >= 0 && item < (int)m_items.size())
return m_items[item];
}
return CGUIListItemPtr();
}
