void CXTPTaskPanelGroup::OnCalcClientHeight(CDC* pDC, CRect rc)
{
CXTPTaskPanelPaintManager* pPaintManager = GetPaintManager();
CRect rcMarginsOuter = pPaintManager->GetGroupOuterMargins(this);
CRect rcMarginsInner = pPaintManager->GetGroupInnerMargins(this);
rc.DeflateRect(rcMarginsOuter);
CRect rcItems(rc);
rcItems.DeflateRect(rcMarginsInner);
m_nItemsInRow = 1;
int nItemCount = GetItemCount();
if (GetItemLayout() == xtpTaskItemLayoutImages)
{
CSize szIcon = GetItemIconSize();
CRect rcInnerMargins(pPaintManager->m_rcImageLayoutIconPadding);
CSize szButton(szIcon.cx + rcInnerMargins.right + rcInnerMargins.left,
szIcon.cy + rcInnerMargins.top + rcInnerMargins.bottom);
int nRowIcons = max(1, rcItems.Width() / szButton.cx), x = 0, y = 0;
BOOL bWrap = FALSE;
for (int i = 0; i < nItemCount; i++)
{
CXTPTaskPanelGroupItem* pItem = GetAt(i);
if (!pItem->IsVisible())
continue;
if (bWrap)
{
x = 0;
y++;
bWrap = FALSE;
}
CRect rcItem(CPoint(rcItems.left + x * szButton.cx, rcItems.top + y * szButton.cy), szButton);
pItem->OnReposition(rcItem);
if (++x == nRowIcons)
bWrap = TRUE;
}
rcItems.bottom = rcItems.top + rcMarginsInner.bottom + szButton.cy * (y + 1);
m_nItemsInRow = nRowIcons;
SetOffsetItem(m_nScrollOffset);
}
else
{
BOOL bMultiColumn = m_pPanel->IsMultiColumn();
int nRowHeight = 0;
CRect rcItemOuterMargins(0, 0, 0, 0);
int nColumnWidth = m_pPanel->GetColumnWidth();
ASSERT(nColumnWidth > 0);
int x = 0;
BOOL bWrap = FALSE;
int nRowIcons = max(1, rcItems.Width() / nColumnWidth);
for (int i = 0; i < nItemCount; i++)
{
CXTPTaskPanelGroupItem* pItem = GetAt(i);
if (!pItem->IsVisible())
continue;
if (bMultiColumn)
{
if (bWrap)
{
rcItems.top += nRowHeight;
nRowHeight = 0;
x = 0;
bWrap = FALSE;
}
CRect rcItem = pItem->OnReposition(CRect(rcItems.left + x * nColumnWidth, rcItems.top, rcItems.left + (x + 1) * nColumnWidth, rcItems.bottom));
rcItemOuterMargins = pPaintManager->GetItemOuterMargins(pItem);
nRowHeight = max(nRowHeight, rcItem.Height() + rcItemOuterMargins.bottom);
if (++x == nRowIcons)
bWrap = TRUE;
}
else
{
CRect rcItem = pItem->OnReposition(rcItems);
rcItems.top = rcItem.bottom + pPaintManager->GetItemOuterMargins(pItem).bottom;
}
}
if (bMultiColumn)
{
rcItems.top += nRowHeight;
m_nItemsInRow = nRowIcons;
}
rcItems.bottom = rcItems.top + rcMarginsInner.bottom;
}
int nMinClientHeight = GetMinimumClientHeight();
if (rcItems.bottom - rc.top < nMinClientHeight)
rcItems.bottom = rc.top + nMinClientHeight;
m_nExpandedClientHeight = rcItems.bottom - rc.top;
m_nCaptionHeight = pPaintManager->DrawGroupCaption(pDC, this, FALSE);
}
