//+---------------------------------------------------------------------------
//
// Member: CRichtextLayout::DrawClient
//
// Synopsis: Draw client rect part of the controls
//
// Arguments: prcBounds bounding rect of display leaf node
// prcRedraw rect to be redrawn
// pSurface surface to render into
// pDispNode pointer to display node
// pClientData client-dependent data for drawing pass
// dwFlags flags for optimization
//
//----------------------------------------------------------------------------
void CRichtextLayout::DrawClient(
const RECT* prcBounds,
const RECT* prcRedraw,
CDispSurface* pDispSurface,
CDispNode* pDispNode,
void* cookie,
void* pClientData,
DWORD dwFlags)
{
Assert(pClientData);
CFormDrawInfo* pDI = (CFormDrawInfo*)pClientData;
{
// we set draw surface information separately for Draw() and
// the stuff below, because the Draw method of some subclasses
// (like CFlowLayout) puts pDI into a special device coordinate
// mode
CSetDrawSurface sds(pDI, prcBounds, prcRedraw, pDispSurface);
Draw(pDI);
}
{
// see comment above
CSetDrawSurface sds(pDI, prcBounds, prcRedraw, pDispSurface);
// We only want to paint selection on the client rect in this part
// In RTL the scrollbar is on the left and will leave extra highlighting
// on the right side of the control if we do not adjust it here
if(_fTextSelected)
{
DrawTextSelectionForRect(pDI->GetDC(), (CRect*)prcRedraw , &pDI->_rcClip, _fSwapColor);
}
if(GetView()->IsFlagSet(CView::VF_ZEROBORDER))
{
CLayout* pParentLayout = GetUpdatedParentLayout();
if(pParentLayout && pParentLayout->ElementOwner()->IsEditable())
{
DrawZeroBorder(pDI);
}
}
}
}
// This function is a callback from LineServices (the pfnFmt callback)
// Line services calls this to get the formattnig information for
// a non-text object in the layout, i.e. an image or a table or a div.
// We create a dobj and give it back to LS here.
// This is like a dobj constructor.
LSERR WINAPI CEmbeddedILSObj::Fmt(/*[in]*/PCFMTIN pfmtin, /*[out]*/FMTRES* pfmtres)
{
LSTRACE(Fmt);
BOOL fOwnLine;
INT xMinWidth;
LONG cchSite;
LONG xWidth, yHeight;
OBJDIM objdim;
stylePosition bPositionType;
LSERR lserr = lserrNone;
CLineServices* pLS = _pLS;
CFlowLayout* pFlowLayout = pLS->_pFlowLayout;
PLSRUN plsrun = PLSRUN(pfmtin->lsfrun.plsrun);
CLayout* pLayout = plsrun->GetLayout(pFlowLayout);
CElement* pElementLayout;
CTreeNode* pNodeLayout;
const CCharFormat* pCF;
const CFancyFormat* pFF;
CEmbeddedDobj* pdobj = new CEmbeddedDobj(this, pfmtin->plsdnTop);
if(!pdobj)
{
lserr = lserrOutOfMemory;
goto Cleanup;
}
// pLayout is the guy we're being asked to format here.
Assert(pLayout && pLayout!=pFlowLayout);
pElementLayout = pLayout->ElementOwner();
pNodeLayout = pElementLayout->GetFirstBranch();
pCF = pNodeLayout->GetCharFormat();
pFF = pNodeLayout->GetFancyFormat();
bPositionType = pNodeLayout->GetCascadedposition();
// for overlapping layouts curtail the range of characters measured
cchSite = pLS->GetNestedElementCch(pElementLayout);
ZeroMemory(&objdim, sizeof(OBJDIM));
// Let's see if this an 'ownline' thingy. Note that even if the element
// is not by default and 'ownline' element, we may have morphed it into
// one -- then too it has to be a block element. If it is not one (like
// a span, then it will not live on its own line). Check here.
fOwnLine = pLS->IsOwnLineSite(plsrun);
Assert(pElementLayout->IsInlinedElement());
// Certain sites that only Microsoft supports can break with any
// characters, so we hack that in right here.
// BUGBUG (cthrash) This is goofy. We should have a better way to
// determine this than checking tag types.
pdobj->_fIsBreakingSite= pElementLayout->Tag()==ETAG_OBJECT
|| pElementLayout->Tag()==ETAG_MARQUEE
// This is really unfortunate -- if a site is percent sized then it becomes a breaking
// site inside table cells. This is primarily for IE4x compat. See IE bug 42336 (SujalP)
|| pFF->_cuvWidth.GetUnitType()==CUnitValue::UNIT_PERCENT
// One last thing - if we have a morphed non-ownline element inside
// a table, it's considered a breaking site.
|| (!fOwnLine && !pElementLayout->_fSite);
// If it's on its own line, and not first on line, FetchRun should have
// terminated the line before we got here.
// Assert( !( fOwnLine && !pfmtin->lsfgi.fFirstOnLine) );
pFlowLayout->GetSiteWidth(pLayout, pLS->_pci,
pLS->_lsMode==CLineServices::LSMODE_MEASURER,
pLS->_xWrappingWidth,
&xWidth, &yHeight, &xMinWidth);
// v-Dimension computed in VerticalAlignObjects
// BUGBUG (cthrash) We have rounding errors in LS; don't pass zero
objdim.heightsRef.dvAscent = 1;
objdim.heightsRef.dvDescent = 0;
objdim.heightsRef.dvMultiLineHeight = 1;
if(_pLS->_fMinMaxPass)
{
objdim.heightsPres = objdim.heightsRef;
}
if(pLS->_fIsRuby && !pLS->_fIsRubyText)
{
pLS->_yMaxHeightForRubyBase = max(pLS->_yMaxHeightForRubyBase, yHeight);
}
// We need to store two widths in the dobj: The width corresponding to
// the wrapping width (urColumnMax) and the minimum width. LsGetMinDur,
// however, does not recognize two widths for ILS objects. We therefore
// cache the difference, and account for these in an enumeration callback
// after the LsGetMinDur pass.
if(!pLS->_fMinMaxPass)
{
pdobj->_dvMinMaxDelta = 0;
objdim.dur = xWidth;
}
else
{
pdobj->_dvMinMaxDelta = xWidth - xMinWidth;
objdim.dur = xMinWidth;
}
if(pCF->HasCharGrid(TRUE))
{
long lCharGridSize = pLS->GetCharGridSize();
pdobj->_dvMinMaxDelta = pLS->GetClosestGridMultiple(lCharGridSize, pdobj->_dvMinMaxDelta);
objdim.dur = pLS->GetClosestGridMultiple(lCharGridSize, objdim.dur);
}
if(fOwnLine)
{
// If we are inside a something like say a PRE then too we do
// not terminate, because if there was a \r right after the ownline site
// then we will allow that \r to break the line. We do not check if the
// subsequent char is a \r because there might be goop(comments, hidden
// stuff etc etc) between this site and the \r. Hence here we just march
// forward and if we run into text or layout later on we will terminate
// the line then. This way we will eat up the goop if any in between.
if(!pLS->_fScanForCR)
{
COneRun* porOut;
COneRun* por = pLS->_listFree.GetFreeOneRun(plsrun);
if(!por)
{
lserr = lserrOutOfMemory;
goto Cleanup;
}
Assert(plsrun->IsNormalRun());
Assert(plsrun->_lscch == plsrun->_lscchOriginal);
por->_lscpBase += plsrun->_lscch;
// If this object has to be on its own line, then it clearly
// ends the current line.
lserr = pLS->TerminateLine(por, CLineServices::TL_ADDEOS, &porOut);
if(lserr != lserrNone)
{
goto Cleanup;
}
// Free the one run
pLS->_listFree.SpliceIn(por);
}
else
{
// Flip this bit so that we will setup pfmtres properly later on
fOwnLine = FALSE;
}
// If we have an 'ownline' site, by definition this is a breaking
// site, meaning we can (or more precisely should) break on either
// side of the site.
pdobj->_fIsBreakingSite = TRUE;
// NOTE(SujalP): Bug 65906.
// We originally used to set ourselves up to collect after space only
// for morphed elements. As it turns out, we want to collect after space
// from margins of _all_ ownline sites (including morphed elements),
// because margins for ownline-sites are not accounted for in
// VerticalAlignObjects (see CLayout::GetMarginInfo for more details --
// it returns 0 for ownline sites).
pLS->_pNodeForAfterSpace = pNodeLayout;
// All ownline sites have their x position to be 0
if(pElementLayout->HasFlag(TAGDESC_OWNLINE))
{
pLayout->SetXProposed(0);
}
}
if(fOwnLine)
{
*pfmtres = fmtrCompletedRun;
}
else
{
const long urWrappingWidth = max(pfmtin->lsfgi.urColumnMax, pLS->_xWrappingWidth);
*pfmtres = (pfmtin->lsfgi.fFirstOnLine ||
pfmtin->lsfgi.urPen+objdim.dur<=urWrappingWidth)?fmtrCompletedRun:fmtrExceededMargin;
}
// This is an accessor to the dnode, telling LS to set the dnode pointing
// to our dobj.
lserr = LsdnFinishRegular(pLS->_plsc, cchSite, pfmtin->lsfrun.plsrun,
pfmtin->lsfrun.plschp, (struct dobj*)pdobj, &objdim);
Cleanup:
return lserr;
}
//+====================================================================================
//
// Method: PositionChanged
//
// Synopsis: Hit the Layout for the size you should be and ask your adorner for it to give
// you your position based on this
//
//------------------------------------------------------------------------------------
void CFocusAdorner::PositionChanged(const CSize* psize)
{
Assert(_pElement);
Assert(_pElement->GetFirstBranch());
Assert(_pView->IsInState(CView::VS_OPEN));
if(_pDispNode)
{
CLayout* pLayout = _pElement->GetUpdatedNearestLayout();
CTreeNode* pTreeNode = _pElement->GetFirstBranch();
BOOL fRelative = pTreeNode->GetCharFormat()->_fRelative;
CDispNode* pDispParent = _pDispNode->GetParentNode();
CDispNode* pDispNode = NULL;
Assert(_pShape);
// Get the display node which contains the element with focus
// (If the focus display node is not yet anchored in the display tree, pretend the element
// is not correct as well. After the focus display node is anchored, this routine will
// get called again and can correctly associate the display nodes at that time.)
if(pDispParent)
{
// BUGBUG: Move this logic down into GetElementDispNode (passing a flag so that GetElementDispNode
// can distinguish between "find nearest" and "find exact" with this call being a "find nearest"
// and virtually all others being a "find exact" (brendand)
CElement* pDisplayElement = NULL;
if(!pTreeNode->IsPositionStatic() || _pElement->HasLayout())
{
pDisplayElement = _pElement;
}
else if(!fRelative)
{
pDisplayElement = pLayout->ElementOwner();
}
else
{
CTreeNode* pDisplayNode = pTreeNode->GetCurrentRelativeNode(pLayout->ElementOwner());
Assert(pDisplayNode); // This should never be NULL, but be safe anyway
if(pDisplayNode)
{
pDisplayElement = pDisplayNode->Element();
}
}
Assert(pDisplayElement); // This should never be NULL, but be safe anyway
if(pDisplayElement)
{
pDispNode = pLayout->GetElementDispNode(pDisplayElement);
}
}
// Verify that the display node which contains the element with focus and the focus display node
// are both correctly anchored in the display tree (that is, have a common parent)
// (If they do not, this routine will get called again once both get correctly anchored
// after layout is completed)
if(pDispNode)
{
CDispNode* pDispNodeTemp;
for(pDispNodeTemp=pDispNode;
pDispNodeTemp&&pDispNodeTemp!=pDispParent;
pDispNodeTemp=pDispNodeTemp->GetParentNode()) ;
if(!pDispNodeTemp)
{
pDispNode = NULL;
}
Assert(!pDispNode || pDispNodeTemp==pDispParent);
}
if(pDispNode)
{
if(!psize || _dnl!=DISPNODELAYER_FLOW)
{
CPoint ptFromOffset(_afxGlobalData._Zero.pt);
CPoint ptToOffset(_afxGlobalData._Zero.pt);
if(!_fTopLeftValid)
{
CRect rc;
_pShape->GetBoundingRect(&rc);
_pShape->OffsetShape(-rc.TopLeft().AsSize());
_ptTopLeft = rc.TopLeft();
if(!_pElement->HasLayout() && fRelative)
{
CPoint ptOffset;
_pElement->GetUpdatedParentLayout()->GetFlowPosition(pDispNode, &ptOffset);
_ptTopLeft -= ptOffset.AsSize();
}
_fTopLeftValid = TRUE;
}
pDispNode->TransformPoint(&ptFromOffset, COORDSYS_CONTENT, COORDSYS_GLOBAL);
_pDispNode->TransformPoint(&ptToOffset, COORDSYS_PARENT, COORDSYS_GLOBAL);
_pDispNode->SetPosition(_ptTopLeft.AsSize()+(ptFromOffset-ptToOffset).AsPoint());
}
else
{
CPoint pt = _pDispNode->GetPosition();
Assert(_fTopLeftValid);
pt += *psize;
_pDispNode->SetPosition(pt);
}
}
// If the display node containing the element with focus is not correctly placed in the display
// tree, remove the focus display node as well to prevent artifacts
else
{
_pDispNode->ExtractFromTree();
}
}
}