void CXTPTabPaintManager::CreateMultiRowIndexer(CXTPTabManager* pTabManager, CDC* pDC, int nWidth)
{
int x = 0;
int nRowCount = 1;
int i;
int nTotalLength = 0;
int nItemCount = pTabManager->GetItemCount();
CXTPTabManagerItem* pSelectedItem = 0;
for (i = 0; i < nItemCount; i++)
{
CXTPTabManagerItem* pItem = pTabManager->GetItem(i);
if (pItem->IsSelected())
{
pSelectedItem = pItem;
}
int nLength = pItem->m_nContentLength = pItem->m_nButtonLength =
pItem->IsVisible() ? m_pAppearanceSet->GetButtonLength(pDC, pItem) : 0;
if (x + nLength > nWidth && x != 0)
{
x = 0;
nRowCount++;
}
x += nLength;
nTotalLength += nLength;
}
CXTPTabManager::ROW_ITEMS* pRowItems = pTabManager->m_pRowIndexer->CreateIndexer(nRowCount);
if (nRowCount == 1)
return;
pRowItems[0].nFirstItem = pRowItems[0].nLastItem = 0;
VERIFY(_CreateMultiRowIndexerBestFit(pTabManager, nWidth, 0, nTotalLength));
if (!m_bMultiRowFixedSelection && pSelectedItem)
{
int nSelectedRow = pSelectedItem->GetItemRow();
CXTPTabManager::ROW_ITEMS selectedRow = pRowItems[nSelectedRow];
pRowItems[nSelectedRow] = pRowItems[0];
pRowItems[0] = selectedRow;
}
}
void CXTPTabPaintManager::DrawRowItems(CXTPTabManager* pTabManager, CDC* pDC, const CRect& rcClipBox, int nItemRow)
{
CXTPTabManagerItem* pSelected = NULL;
CXTPTabManager::ROW_ITEMS* pRowItems = pTabManager->m_pRowIndexer->GetRowItems();
if (!pRowItems)
return;
if (nItemRow >= pTabManager->GetRowCount())
return;
int nFirstItem = pRowItems[nItemRow].nFirstItem;
int nLastItem = pRowItems[nItemRow].nLastItem;
BOOL bDrawRow = TRUE;
if (m_pAppearanceSet->m_bButtonsReverseZOrder)
{
bDrawRow = FALSE;
for (int i = nFirstItem; i <= nLastItem; i++)
{
CXTPTabManagerItem* pItem = pTabManager->GetItem(i);
if (!pItem)
return;
if (pItem->m_nItemRow != nItemRow)
break;
if (pItem->IsSelected())
{
nFirstItem = i;
bDrawRow = TRUE;
break;
}
if (pItem->IsVisible() && CRect().IntersectRect(rcClipBox, m_pAppearanceSet->GetButtonDrawRect(pItem)))
{
m_pAppearanceSet->DrawSingleButton(pDC, pItem);
}
}
}
if (bDrawRow)
{
for (int i = nLastItem; i >= nFirstItem; i--)
{
CXTPTabManagerItem* pItem = pTabManager->GetItem(i);
if (!pItem)
return;
if (pItem->m_nItemRow != nItemRow)
break;
if (pItem->IsVisible() && CRect().IntersectRect(rcClipBox, m_pAppearanceSet->GetButtonDrawRect(pItem)))
{
if (pItem->IsSelected())
pSelected = pItem;
else
m_pAppearanceSet->DrawSingleButton(pDC, pItem);
}
}
}
if (pSelected)
{
m_pAppearanceSet->DrawSingleButton(pDC, pSelected);
}
}