CXTPTaskPanelGroupItem* CXTPTaskPanelGroup::HitTest(CPoint pt, CRect* lpRect) const
{
if (!IsExpanded())
return NULL;
int nOffset = m_pPanel->GetScrollOffset() - m_nCaptionHeight - m_rcGroupCurrent.top + GetScrollOffsetPos();
pt.y += nOffset;
for (int i = 0; i < GetItemCount(); i++)
{
CXTPTaskPanelGroupItem* pItem = GetAt(i);
CRect rcItem = pItem->GetItemRect();
if (rcItem.PtInRect(pt) && pItem->IsVisible())
{
if (lpRect)
{
rcItem.OffsetRect(0, -nOffset);
*lpRect = rcItem;
}
return pItem;
}
}
return NULL;
}
void CXTPTaskPanelGroup::RepositionAutoHeightControls(int nHeightOffset)
{
if (GetItemLayout() == xtpTaskItemLayoutImages)
return;
int nCount = 0, i, nTotalHeight = 0, nItemCount = GetItemCount(), nOffset = 0;
for (i = 0; i < nItemCount; i++)
{
CXTPTaskPanelGroupItem* pItem = GetAt(i);
if (pItem->IsAutoHeight() && pItem->IsVisible())
{
nCount++;
nTotalHeight += max(1, pItem->GetSize().cy);
}
}
if (nCount == 0)
return;
for (i = 0; i < nItemCount; i++)
{
CXTPTaskPanelGroupItem* pItem = GetAt(i);
pItem->m_rcItem.OffsetRect(0, nOffset);
if (pItem->IsAutoHeight() && pItem->IsVisible())
{
int nItemHeight = max(1, pItem->GetSize().cy);
int nItemHeightOffset = nCount > 1 ? (int)(nItemHeight* nHeightOffset / nTotalHeight) : nHeightOffset;
nCount--;
nTotalHeight -= nItemHeight;
nHeightOffset -= nItemHeightOffset;
pItem->m_rcItem.bottom += nItemHeightOffset;
nOffset += nItemHeightOffset;
}
}
}
void CXTPTaskPanelGroup::EnsureVisible(CXTPTaskPanelGroupItem* pItem, BOOL bUpdateScrollButtons /*= TRUE*/)
{
if (m_pPanel->IsExplorerBehaviour() || GetItemCount() == 0 || !IsExpanded())
return;
if (!pItem || pItem->GetItemGroup() != this || !pItem->IsVisible())
return;
int nIndex = pItem->GetIndex();
if (m_nScrollOffset > nIndex)
{
SetOffsetItem(nIndex, bUpdateScrollButtons);
return;
}
CRect rcItem(pItem->GetItemRect());
if (rcItem.bottom - GetScrollOffsetPos() > m_nExpandedClientHeight)
{
int nTopMargin = GetPaintManager()->GetGroupInnerMargins(this).top;
if (rcItem.top - GetScrollOffsetPos() <= nTopMargin)
return;
int nScrollOffset = m_nScrollOffset + 1;
for (; nScrollOffset <= nIndex; nScrollOffset++)
{
CXTPTaskPanelGroupItem* pItemScroll = GetAt(nScrollOffset);
if (!pItemScroll || !pItemScroll->IsVisible())
continue;
int nScrollOffsetPos = pItemScroll->GetItemRect().top - nTopMargin;
if (rcItem.bottom - nScrollOffsetPos <= m_nExpandedClientHeight)
break;
if (rcItem.top - nScrollOffsetPos <= nTopMargin)
break;
}
SetOffsetItem(nScrollOffset, bUpdateScrollButtons);
}
}
int CXTPTaskPanelGroup::GetOffsetItem() const
{
if (m_nScrollOffset == 0)
return 0;
if (m_nScrollOffset < GetItemCount())
{
CXTPTaskPanelGroupItem* pItem = GetAt(m_nScrollOffset);
if (pItem->IsVisible())
return m_nScrollOffset;
int nScrollOffset = m_pItems->GetNextVisibleIndex(m_nScrollOffset, +1);
if (nScrollOffset != -1)
return nScrollOffset;
nScrollOffset = m_pItems->GetNextVisibleIndex(m_nScrollOffset, -1);
if (nScrollOffset != -1)
return nScrollOffset;
}
return 0;
}
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);
}
