void CContainerUI::SetFloatPos(int iIndex)
{
// 因为CControlUI::SetPos对float的操作影响，这里不能对float组件添加滚动条的影响
if( iIndex < 0 || iIndex >= m_items.GetSize() ) return;
CControlUI* pControl = static_cast<CControlUI*>(m_items[iIndex]);
if( !pControl->IsVisible() ) return;
if( !pControl->IsFloat() ) return;
SIZE szXY = pControl->GetFixedXY();
SIZE sz = {pControl->GetFixedWidth(), pControl->GetFixedHeight()};
TPercentInfo rcPercent = pControl->GetFloatPercent();
LONG width = m_rcItem.right - m_rcItem.left;
LONG height = m_rcItem.bottom - m_rcItem.top;
RECT rcCtrl = { 0 };
rcCtrl.left = (LONG)(width*rcPercent.left) + szXY.cx;
rcCtrl.top = (LONG)(height*rcPercent.top) + szXY.cy;
rcCtrl.right = (LONG)(width*rcPercent.right) + szXY.cx + sz.cx;
rcCtrl.bottom = (LONG)(height*rcPercent.bottom) + szXY.cy + sz.cy;
pControl->SetPos(rcCtrl, false);
}
void CHorizontalLayoutUI::SetPos(RECT rc, bool bNeedInvalidate)
{
CControlUI::SetPos(rc, bNeedInvalidate);
rc = m_rcItem;
// Adjust for inset
rc.left += m_rcInset.left;
rc.top += m_rcInset.top;
rc.right -= m_rcInset.right;
rc.bottom -= m_rcInset.bottom;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) rc.right -= m_pVerticalScrollBar->GetFixedWidth();
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) rc.bottom -= m_pHorizontalScrollBar->GetFixedHeight();
if( m_items.GetSize() == 0) {
ProcessScrollBar(rc, 0, 0);
return;
}
// Determine the minimum size
SIZE szAvailable = { rc.right - rc.left, rc.bottom - rc.top };
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() )
szAvailable.cx += m_pHorizontalScrollBar->GetScrollRange();
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() )
szAvailable.cy += m_pVerticalScrollBar->GetScrollRange();
int cyNeeded = 0;
int nAdjustables = 0;
int cxFixed = 0;
int nEstimateNum = 0;
SIZE szControlAvailable;
int iControlMaxWidth = 0;
int iControlMaxHeight = 0;
for( int it1 = 0; it1 < m_items.GetSize(); it1++ ) {
CControlUI* pControl = static_cast<CControlUI*>(m_items[it1]);
if( !pControl->IsVisible() ) continue;
if( pControl->IsFloat() ) continue;
szControlAvailable = szAvailable;
RECT rcPadding = pControl->GetPadding();
szControlAvailable.cy -= rcPadding.top + rcPadding.bottom;
iControlMaxWidth = pControl->GetFixedWidth();
iControlMaxHeight = pControl->GetFixedHeight();
if (iControlMaxWidth <= 0) iControlMaxWidth = pControl->GetMaxWidth();
if (iControlMaxHeight <= 0) iControlMaxHeight = pControl->GetMaxHeight();
if (szControlAvailable.cx > iControlMaxWidth) szControlAvailable.cx = iControlMaxWidth;
if (szControlAvailable.cy > iControlMaxHeight) szControlAvailable.cy = iControlMaxHeight;
SIZE sz = pControl->EstimateSize(szControlAvailable);
if( sz.cx == 0 ) {
nAdjustables++;
}
else {
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
}
cxFixed += sz.cx + pControl->GetPadding().left + pControl->GetPadding().right;
sz.cy = MAX(sz.cy, 0);
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
cyNeeded = MAX(cyNeeded, sz.cy + rcPadding.top + rcPadding.bottom);
nEstimateNum++;
}
cxFixed += (nEstimateNum - 1) * m_iChildPadding;
// Place elements
int cxNeeded = 0;
int cxExpand = 0;
if( nAdjustables > 0 ) cxExpand = MAX(0, (szAvailable.cx - cxFixed) / nAdjustables);
// Position the elements
SIZE szRemaining = szAvailable;
int iPosX = rc.left;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
int iAdjustable = 0;
int cxFixedRemaining = cxFixed;
for( int it2 = 0; it2 < m_items.GetSize(); it2++ ) {
CControlUI* pControl = static_cast<CControlUI*>(m_items[it2]);
if( !pControl->IsVisible() ) continue;
if( pControl->IsFloat() ) {
SetFloatPos(it2);
continue;
}
RECT rcPadding = pControl->GetPadding();
szRemaining.cx -= rcPadding.left;
szControlAvailable = szRemaining;
szControlAvailable.cy -= rcPadding.top + rcPadding.bottom;
iControlMaxWidth = pControl->GetFixedWidth();
iControlMaxHeight = pControl->GetFixedHeight();
if (iControlMaxWidth <= 0) iControlMaxWidth = pControl->GetMaxWidth();
if (iControlMaxHeight <= 0) iControlMaxHeight = pControl->GetMaxHeight();
if (szControlAvailable.cx > iControlMaxWidth) szControlAvailable.cx = iControlMaxWidth;
if (szControlAvailable.cy > iControlMaxHeight) szControlAvailable.cy = iControlMaxHeight;
SIZE sz = pControl->EstimateSize(szControlAvailable);
if( sz.cx == 0 ) {
iAdjustable++;
sz.cx = cxExpand;
// Distribute remaining to last element (usually round-off left-overs)
if( iAdjustable == nAdjustables ) {
sz.cx = MAX(0, szRemaining.cx - rcPadding.right - cxFixedRemaining);
}
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
}
else {
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
cxFixedRemaining -= sz.cx;
}
sz.cy = pControl->GetMaxHeight();
if( sz.cy == 0 ) sz.cy = szAvailable.cy - rcPadding.top - rcPadding.bottom;
if( sz.cy < 0 ) sz.cy = 0;
if( sz.cy > szControlAvailable.cy ) sz.cy = szControlAvailable.cy;
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
UINT iChildAlign = GetChildVAlign();
if (iChildAlign == DT_VCENTER) {
int iPosY = (rc.bottom + rc.top) / 2;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY += m_pVerticalScrollBar->GetScrollRange() / 2;
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX + rcPadding.left, iPosY - sz.cy/2, iPosX + sz.cx + rcPadding.left, iPosY + sz.cy - sz.cy/2 };
pControl->SetPos(rcCtrl, false);
}
else if (iChildAlign == DT_BOTTOM) {
int iPosY = rc.bottom;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY += m_pVerticalScrollBar->GetScrollRange();
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX + rcPadding.left, iPosY - rcPadding.bottom - sz.cy, iPosX + sz.cx + rcPadding.left, iPosY - rcPadding.bottom };
pControl->SetPos(rcCtrl, false);
}
else {
int iPosY = rc.top;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + sz.cx + rcPadding.left, iPosY + sz.cy + rcPadding.top };
pControl->SetPos(rcCtrl, false);
}
iPosX += sz.cx + m_iChildPadding + rcPadding.left + rcPadding.right;
cxNeeded += sz.cx + rcPadding.left + rcPadding.right;
szRemaining.cx -= sz.cx + m_iChildPadding + rcPadding.right;
}
cxNeeded += (nEstimateNum - 1) * m_iChildPadding;
// Process the scrollbar
ProcessScrollBar(rc, cxNeeded, cyNeeded);
}
void CHorizontalLayoutUI::SetPos(RECT rc)
{
CControlUI::SetPos(rc);
rc = m_rcItem;
// Adjust for inset
rc.left += m_rcInset.left;
rc.top += m_rcInset.top;
rc.right -= m_rcInset.right;
rc.bottom -= m_rcInset.bottom;
if (m_items.GetSize() == 0) {
ProcessScrollBar(rc, 0, 0);
return;
}
if (m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible()) rc.right -= m_pVerticalScrollBar->GetFixedWidth();
if (m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible()) rc.bottom -= m_pHorizontalScrollBar->GetFixedHeight();
// Determine the width of elements that are sizeable
SIZE szAvailable = { rc.right - rc.left, rc.bottom - rc.top };
if (m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible())
szAvailable.cx += m_pHorizontalScrollBar->GetScrollRange();
int nAdjustables = 0;
int cxFixed = 0;
int nEstimateNum = 0;
for (int it1 = 0; it1 < m_items.GetSize(); it1++) {
CControlUI* pControl = static_cast<CControlUI*>(m_items[it1]);
if (!pControl->IsVisible()) continue;
if (pControl->IsFloat()) continue;
SIZE sz = pControl->EstimateSize(szAvailable);
if (sz.cx == 0) {
nAdjustables++;
} else {
if (sz.cx < pControl->GetMinWidth()) sz.cx = pControl->GetMinWidth();
if (sz.cx > pControl->GetMaxWidth()) sz.cx = pControl->GetMaxWidth();
}
cxFixed += sz.cx + pControl->GetPadding().left + pControl->GetPadding().right;
nEstimateNum++;
}
cxFixed += (nEstimateNum - 1) * m_iChildPadding;
int cxExpand = 0;
int cxNeeded = 0;
if (nAdjustables > 0) cxExpand = MAX(0, (szAvailable.cx - cxFixed) / nAdjustables);
// Position the elements
SIZE szRemaining = szAvailable;
int iPosX = rc.left;
if (m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible()) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
int iAdjustable = 0;
int cxFixedRemaining = cxFixed;
for (int it2 = 0; it2 < m_items.GetSize(); it2++) {
CControlUI* pControl = static_cast<CControlUI*>(m_items[it2]);
if (!pControl->IsVisible()) continue;
if (pControl->IsFloat()) {
SetFloatPos(it2);
continue;
}
RECT rcPadding = pControl->GetPadding();
szRemaining.cx -= rcPadding.left;
SIZE sz = pControl->EstimateSize(szRemaining);
if (sz.cx == 0) {
iAdjustable++;
sz.cx = cxExpand;
// Distribute remaining to last element (usually round-off left-overs)
if (iAdjustable == nAdjustables) {
sz.cx = MAX(0, szRemaining.cx - rcPadding.right - cxFixedRemaining);
}
if (sz.cx < pControl->GetMinWidth()) sz.cx = pControl->GetMinWidth();
if (sz.cx > pControl->GetMaxWidth()) sz.cx = pControl->GetMaxWidth();
} else {
if (sz.cx < pControl->GetMinWidth()) sz.cx = pControl->GetMinWidth();
if (sz.cx > pControl->GetMaxWidth()) sz.cx = pControl->GetMaxWidth();
cxFixedRemaining -= sz.cx;
}
sz.cy = pControl->GetFixedHeight();
if (sz.cy == 0) sz.cy = rc.bottom - rc.top - rcPadding.top - rcPadding.bottom;
if (sz.cy < 0) sz.cy = 0;
if (sz.cy < pControl->GetMinHeight()) sz.cy = pControl->GetMinHeight();
if (sz.cy > pControl->GetMaxHeight()) sz.cy = pControl->GetMaxHeight();
RECT rcCtrl = { iPosX + rcPadding.left, rc.top + rcPadding.top, iPosX + sz.cx + rcPadding.left + rcPadding.right, rc.top + rcPadding.top + sz.cy};
pControl->SetPos(rcCtrl);
iPosX += sz.cx + m_iChildPadding + rcPadding.left + rcPadding.right;
cxNeeded += sz.cx + rcPadding.left + rcPadding.right;
szRemaining.cx -= sz.cx + m_iChildPadding + rcPadding.right;
}
cxNeeded += (nEstimateNum - 1) * m_iChildPadding;
// Process the scrollbar
ProcessScrollBar(rc, cxNeeded, 0);
}
