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 CTileLayoutUI::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();
// Position the elements
if( m_szItem.cx > 0 ) m_nColumns = (rc.right - rc.left) / m_szItem.cx;
if( m_nColumns == 0 ) m_nColumns = 1;
int cyNeeded = 0;
int cxWidth = (rc.right - rc.left) / m_nColumns;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() )
cxWidth = (rc.right - rc.left + m_pHorizontalScrollBar->GetScrollRange() ) / m_nColumns; ;
int cyHeight = 0;
int iCount = 0;
POINT ptTile = { rc.left, rc.top };
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
ptTile.y -= m_pVerticalScrollBar->GetScrollPos();
}
int iPosX = rc.left;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
ptTile.x = iPosX;
}
for( int it1 = 0; it1 < m_items.GetSize(); it1++ ) {
CControlUI* pControl = static_cast<CControlUI*>(m_items[it1]);
if( !pControl->IsVisible() ) continue;
if( pControl->IsFloat() ) {
SetFloatPos(it1);
continue;
}
// Determine size
RECT rcTile = { ptTile.x, ptTile.y, ptTile.x + cxWidth, ptTile.y };
if( (iCount % m_nColumns) == 0 )
{
int iIndex = iCount;
for( int it2 = it1; it2 < m_items.GetSize(); it2++ ) {
CControlUI* pLineControl = static_cast<CControlUI*>(m_items[it2]);
if( !pLineControl->IsVisible() ) continue;
if( pLineControl->IsFloat() ) continue;
RECT rcPadding = pLineControl->GetPadding();
SIZE szAvailable = { rcTile.right - rcTile.left - rcPadding.left - rcPadding.right, 9999 };
if( iIndex == iCount || (iIndex + 1) % m_nColumns == 0 ) {
szAvailable.cx -= m_iChildPadding / 2;
}
else {
szAvailable.cx -= m_iChildPadding;
}
if( szAvailable.cx < pControl->GetMinWidth() ) szAvailable.cx = pControl->GetMinWidth();
if( szAvailable.cx > pControl->GetMaxWidth() ) szAvailable.cx = pControl->GetMaxWidth();
SIZE szTile = pLineControl->EstimateSize(szAvailable);
if( szTile.cx < pControl->GetMinWidth() ) szTile.cx = pControl->GetMinWidth();
if( szTile.cx > pControl->GetMaxWidth() ) szTile.cx = pControl->GetMaxWidth();
if( szTile.cy < pControl->GetMinHeight() ) szTile.cy = pControl->GetMinHeight();
if( szTile.cy > pControl->GetMaxHeight() ) szTile.cy = pControl->GetMaxHeight();
cyHeight = MAX(cyHeight, szTile.cy + rcPadding.top + rcPadding.bottom);
if( (++iIndex % m_nColumns) == 0) break;
}
}
RECT rcPadding = pControl->GetPadding();
rcTile.left += rcPadding.left + m_iChildPadding / 2;
rcTile.right -= rcPadding.right + m_iChildPadding / 2;
if( (iCount % m_nColumns) == 0 ) {
rcTile.left -= m_iChildPadding / 2;
}
if( ( (iCount + 1) % m_nColumns) == 0 ) {
rcTile.right += m_iChildPadding / 2;
}
// Set position
rcTile.top = ptTile.y + rcPadding.top;
rcTile.bottom = ptTile.y + cyHeight;
SIZE szAvailable = { rcTile.right - rcTile.left, rcTile.bottom - rcTile.top };
SIZE szTile = pControl->EstimateSize(szAvailable);
if( szTile.cx == 0 ) szTile.cx = szAvailable.cx;
if( szTile.cy == 0 ) szTile.cy = szAvailable.cy;
if( szTile.cx < pControl->GetMinWidth() ) szTile.cx = pControl->GetMinWidth();
if( szTile.cx > pControl->GetMaxWidth() ) szTile.cx = pControl->GetMaxWidth();
if( szTile.cy < pControl->GetMinHeight() ) szTile.cy = pControl->GetMinHeight();
if( szTile.cy > pControl->GetMaxHeight() ) szTile.cy = pControl->GetMaxHeight();
RECT rcPos = {(rcTile.left + rcTile.right - szTile.cx) / 2, (rcTile.top + rcTile.bottom - szTile.cy) / 2,
(rcTile.left + rcTile.right - szTile.cx) / 2 + szTile.cx, (rcTile.top + rcTile.bottom - szTile.cy) / 2 + szTile.cy};
pControl->SetPos(rcPos);
if( (++iCount % m_nColumns) == 0 ) {
ptTile.x = iPosX;
ptTile.y += cyHeight + m_iChildPadding;
cyHeight = 0;
}
else {
ptTile.x += cxWidth;
}
cyNeeded = rcTile.bottom - rc.top;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) cyNeeded += m_pVerticalScrollBar->GetScrollPos();
}
// Process the scrollbar
ProcessScrollBar(rc, 0, cyNeeded);
}
void CVerticalLayoutUI::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_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();
int nAdjustables = 0;
int cyFixed = 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.cy == 0 ) {
nAdjustables++;
}
else {
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
}
cyFixed += sz.cy + pControl->GetPadding().top + pControl->GetPadding().bottom;
nEstimateNum++;
}
cyFixed += (nEstimateNum - 1) * m_iChildPadding;
// Place elements
int cyNeeded = 0;
int cyExpand = 0;
if( nAdjustables > 0 ) cyExpand = MAX(0, (szAvailable.cy - cyFixed) / nAdjustables);
// Position the elements
SIZE szRemaining = szAvailable;
int iPosY = rc.top;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
int iPosX = rc.left;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
int iAdjustable = 0;
int cyFixedRemaining = cyFixed;
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.cy -= rcPadding.top;
SIZE sz = pControl->EstimateSize(szRemaining);
if( sz.cy == 0 ) {
iAdjustable++;
sz.cy = cyExpand;
// Distribute remaining to last element (usually round-off left-overs)
if( iAdjustable == nAdjustables ) {
//////////////////////////////////////////////////////////////////////////
///corrected by gechunping on 2014_3_27
///deleted origin /// sz.cy = MAX(0, szRemaining.cy - rcPadding.bottom - cyFixedRemaining);
///corrected by gechunping on 2014_3_27
//////////////////////////////////////////////////////////////////////////
}
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
}
else {
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
cyFixedRemaining -= sz.cy + rcPadding.top + rcPadding.bottom;
}
cyFixedRemaining -= m_iChildPadding;
sz.cx = pControl->GetFixedWidth();
if( sz.cx == 0 ) sz.cx = szAvailable.cx - rcPadding.left - rcPadding.right;
if( sz.cx < 0 ) sz.cx = 0;
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
//////////////////////////////////////////////////////////////////////////
///corrected by gechunping on 2014_3_27
///origin/// RECT rcCtrl = { iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + rcPadding.left + sz.cx, iPosY + sz.cy + rcPadding.top + rcPadding.bottom };
//err RECT rcCtrl = { iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + rcPadding.left + sz.cx, iPosY + sz.cy + rcPadding.bottom };
RECT rcCtrl = { iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + rcPadding.left + sz.cx, iPosY + sz.cy + rcPadding.top };
///corrected by gechunping on 2014_3_27
//////////////////////////////////////////////////////////////////////////
pControl->SetPos(rcCtrl);
iPosY += sz.cy + m_iChildPadding + rcPadding.top + rcPadding.bottom;
cyNeeded += sz.cy + rcPadding.top + rcPadding.bottom;
szRemaining.cy -= sz.cy + m_iChildPadding + rcPadding.bottom;
}
cyNeeded += (nEstimateNum - 1) * m_iChildPadding;
// Process the scrollbar
ProcessScrollBar(rc, 0, 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);
}
void CUIVerticalLayout::SetPos(const CUIRect& rc)
{
CUIRect rcTemp = rc;
CUIControl::SetPos(rc);
rcTemp = m_rcItem;
//
// 调整内边距
//
rcTemp.left += m_rcInset.left;
rcTemp.top += m_rcInset.top;
rcTemp.right -= m_rcInset.right;
rcTemp.bottom -= m_rcInset.bottom;
if( m_items.GetSize() == 0) {
ProcessScrollBar(rcTemp, 0, 0);
return;
}
//
// 如果有滚动条，减去滚动条的宽度
//
if(m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible())
rcTemp.right -= m_pVerticalScrollBar->GetFixedWidth();
if(m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible())
rcTemp.bottom -= m_pHorizontalScrollBar->GetFixedHeight();
//
// Determine the minimum size
//
SIZE szAvailable = { rcTemp.right - rcTemp.left, rcTemp.bottom - rcTemp.top };
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() )
szAvailable.cx += m_pHorizontalScrollBar->GetScrollRange();
int nAdjustables = 0; //要调整控件的个数
int cyFixed = 0; //控件固定的宽度
int nEstimateNum = 0; //调整控件的个数
for( int it1 = 0; it1 < m_items.GetSize(); it1++ ) {
CUIControl* pControl = static_cast<CUIControl*>(m_items[it1]);
//
// 控件不可见不进行处理
//
if(!pControl->IsVisible())
continue;
//
// 控件为float类型的不进行处理
//
if(pControl->IsFloat())
continue;
SIZE sz = pControl->EstimateSize(szAvailable);
if(sz.cy == 0) {
//
// 高度等于0需要我们来计算
//
nAdjustables++;
}else{
//
// 不能超出控件的设置的最小和最大值
//
if( sz.cy < pControl->GetMinHeight() )
sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() )
sz.cy = pControl->GetMaxHeight();
}
//
// 加上下外边距
//
cyFixed += sz.cy + pControl->GetPadding().top + pControl->GetPadding().bottom;
nEstimateNum++;
}
//
// 加上子控件之间的额外距离
//
cyFixed += (nEstimateNum - 1) * m_iChildPadding;
//
// Place elements
//
int cyNeeded = 0;
int cyExpand = 0;
//
// 计算要调整的每个控件的平均高度
//
if( nAdjustables > 0 )
cyExpand = MAX(0, (szAvailable.cy - cyFixed) / nAdjustables);
//
// Position the elements
// 减去滚动条的位置
//
SIZE szRemaining = szAvailable;
int iPosY = rcTemp.top;
if(m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible()) {
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
int iPosX = rcTemp.left;
if(m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible()) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
int iAdjustable = 0;
int cyFixedRemaining = cyFixed;
for( int it2 = 0; it2 < m_items.GetSize(); it2++ ) {
CUIControl* pControl = static_cast<CUIControl*>(m_items[it2]);
if( !pControl->IsVisible() )
continue;
if( pControl->IsFloat() ) {
SetFloatPos(it2);
continue;
}
RECT rcPadding = pControl->GetPadding();
szRemaining.cy -= rcPadding.top;
CUISize sz = pControl->EstimateSize(szRemaining);
if(sz.cy == 0){
iAdjustable++;
//
// 赋平均值
//
sz.cy = cyExpand;
if( iAdjustable == nAdjustables ) {
//
// Distribute remaining to last element (usually round-off left-overs)
//
sz.cy = MAX(0, szRemaining.cy - rcPadding.bottom - cyFixedRemaining);
}
//
// 不能超过控件的最大与最小值
//
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
}else{
//
// 固定高度的控件
//
if( sz.cy < pControl->GetMinHeight() ) sz.cy = pControl->GetMinHeight();
if( sz.cy > pControl->GetMaxHeight() ) sz.cy = pControl->GetMaxHeight();
cyFixedRemaining -= sz.cy;
}
//
// 调整宽度的值
//
sz.cx = pControl->GetFixedWidth();
if( sz.cx == 0 ) sz.cx = szAvailable.cx - rcPadding.left - rcPadding.right;
if( sz.cx < 0 ) sz.cx = 0;
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
//
// 生成并设置新的POS
//
CUIRect rcCtrl(iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + rcPadding.left + sz.cx,
iPosY + sz.cy + rcPadding.top + rcPadding.bottom);
pControl->SetPos(rcCtrl);
//
// 处理下ChildPadding
//
iPosY += sz.cy + m_iChildPadding + rcPadding.top + rcPadding.bottom;
cyNeeded += sz.cy + rcPadding.top + rcPadding.bottom;
szRemaining.cy -= sz.cy + m_iChildPadding + rcPadding.bottom;
}
cyNeeded += (nEstimateNum - 1) * m_iChildPadding;
//
// Process the scrollbar
//
ProcessScrollBar(rcTemp, 0, cyNeeded);
}