void CHorizontalLayoutUI::SetPos(RECT rc, bool bNeedInvalidate)
{
CControlUI::SetPos(rc, bNeedInvalidate);
rc = m_rcItem;
// Adjust for inset
RECT m_rcInset = CHorizontalLayoutUI::m_rcInset;
m_pManager->GetDPIObj()->Scale(&m_rcInset);
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
UINT iChildAlign = GetChildAlign();
UINT iChildVAlign = GetChildVAlign();
SIZE szRemaining = szAvailable;
int iPosX = rc.left;
if (iChildAlign == DT_RIGHT) iPosX = rc.right;
else if (iChildAlign == DT_CENTER) iPosX = (rc.right + rc.left - cxFixed) / 2;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
int iEstimate = 0;
int iAdjustable = 0;
int cxFixedRemaining = cxFixed;
for( int it2 = 0; it2 < m_items.GetSize(); it2++ ) {
CControlUI* pControl = NULL;
if (iChildAlign == DT_RIGHT)
pControl = static_cast<CControlUI*>(m_items[m_items.GetSize() - it2 - 1]);
else
pControl = static_cast<CControlUI*>(m_items[it2]);
if( !pControl->IsVisible() ) continue;
if( pControl->IsFloat() ) {
SetFloatPos(it2);
continue;
}
iEstimate += 1;
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;
cxFixedRemaining = cxFixedRemaining - (rcPadding.left + rcPadding.right);
if (iEstimate > 1) cxFixedRemaining = cxFixedRemaining - m_iChildPadding;
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;
}
if(pControl->GetFixedHeight() <= 0) {
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();
}
//控件布局排列设定
//缺省排列方式：水平方向left对齐，垂直方向top对齐
RECT rcCtrl = { iPosX + rcPadding.left
, rc.top + rcPadding.top
, iPosX + rcPadding.left + sz.cx
, rc.top + rcPadding.top + sz.cy };
int iPosY = rc.top;
//垂直布局
//
if (iChildVAlign == DT_VCENTER) {
iPosY = (rc.bottom + rc.top) / 2;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY += m_pVerticalScrollBar->GetScrollRange() / 2;
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
rcCtrl.top = iPosY - sz.cy / 2;
rcCtrl.bottom = rcCtrl.top + sz.cy;
}
else if (iChildVAlign == DT_BOTTOM) {
iPosY = rc.bottom;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY += m_pVerticalScrollBar->GetScrollRange();
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
rcCtrl.top = iPosY - rcPadding.bottom - sz.cy;
rcCtrl.bottom = rcCtrl.top + sz.cy;
}
else {
iPosY = rc.top;
if( m_pVerticalScrollBar && m_pVerticalScrollBar->IsVisible() ) {
iPosY -= m_pVerticalScrollBar->GetScrollPos();
}
rcCtrl.top = iPosY + rcPadding.top;
rcCtrl.bottom = rcCtrl.top + sz.cy;
}
//水平布局
//
if (iChildAlign == DT_LEFT || iChildAlign == DT_CENTER)
{
rcCtrl.left = iPosX + rcPadding.left;
rcCtrl.right = rcCtrl.left + sz.cx;
iPosX += sz.cx + m_iChildPadding + rcPadding.left + rcPadding.right;
}
else if (iChildAlign == DT_RIGHT)
{
rcCtrl.left = iPosX - sz.cx - rcPadding.right;
rcCtrl.right = rcCtrl.left + sz.cx;
iPosX -= sz.cx + m_iChildPadding + rcPadding.left + rcPadding.right;
}
pControl->SetPos(rcCtrl, false);
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 CVerticalLayoutUI::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 cxNeeded = 0;
int nAdjustables = 0;
int cyFixed = 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.cx -= rcPadding.left + rcPadding.right;
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.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;
sz.cx = MAX(sz.cx, 0);
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
if( sz.cx > pControl->GetMaxWidth() ) sz.cx = pControl->GetMaxWidth();
cxNeeded = MAX(cxNeeded, sz.cx + rcPadding.left + rcPadding.right);
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 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;
szControlAvailable = szRemaining;
szControlAvailable.cx -= rcPadding.left + rcPadding.right;
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.cy == 0 ) {
iAdjustable++;
sz.cy = cyExpand;
// Distribute remaining to last element (usually round-off left-overs)
if( iAdjustable == nAdjustables ) {
sz.cy = MAX(0, szRemaining.cy - rcPadding.bottom - cyFixedRemaining);
}
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;
}
sz.cx = pControl->GetMaxWidth();
if( sz.cx == 0 ) sz.cx = szAvailable.cx - rcPadding.left - rcPadding.right;
if( sz.cx < 0 ) sz.cx = 0;
if( sz.cx > szControlAvailable.cx ) sz.cx = szControlAvailable.cx;
if( sz.cx < pControl->GetMinWidth() ) sz.cx = pControl->GetMinWidth();
UINT iChildAlign = GetChildAlign();
if (iChildAlign == DT_CENTER) {
int iPosX = (rc.right + rc.left) / 2;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX += m_pHorizontalScrollBar->GetScrollRange() / 2;
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX - sz.cx/2, iPosY + rcPadding.top, iPosX + sz.cx - sz.cx/2, iPosY + sz.cy + rcPadding.top };
pControl->SetPos(rcCtrl, false);
}
else if (iChildAlign == DT_RIGHT) {
int iPosX = rc.right;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX += m_pHorizontalScrollBar->GetScrollRange();
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX - rcPadding.right - sz.cx, iPosY + rcPadding.top, iPosX - rcPadding.right, iPosY + sz.cy + rcPadding.top };
pControl->SetPos(rcCtrl, false);
}
else {
int iPosX = rc.left;
if( m_pHorizontalScrollBar && m_pHorizontalScrollBar->IsVisible() ) {
iPosX -= m_pHorizontalScrollBar->GetScrollPos();
}
RECT rcCtrl = { iPosX + rcPadding.left, iPosY + rcPadding.top, iPosX + rcPadding.left + sz.cx, iPosY + sz.cy + rcPadding.top };
pControl->SetPos(rcCtrl, false);
}
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, cxNeeded, cyNeeded);
}
