static void ME_InsertRowStart(ME_WrapContext *wc, const ME_DisplayItem *pEnd)
{
ME_DisplayItem *p, *row, *para;
int ascent = 0, descent = 0, width=0, shift = 0, align = 0;
/* wrap text */
para = ME_GetParagraph(wc->pRowStart);
for (p = wc->pRowStart; p!=pEnd; p = p->next)
{
/* ENDPARA run shouldn't affect row height, except if it's the only run in the paragraph */
if (p->type==diRun && ((p==wc->pRowStart) || !(p->member.run.nFlags & MERF_ENDPARA))) { /* FIXME add more run types */
if (p->member.run.nAscent>ascent)
ascent = p->member.run.nAscent;
if (p->member.run.nDescent>descent)
descent = p->member.run.nDescent;
if (!(p->member.run.nFlags & (MERF_ENDPARA|MERF_SKIPPED)))
width += p->member.run.nWidth;
}
}
row = ME_MakeRow(ascent+descent, ascent, width);
row->member.row.nYPos = wc->pt.y;
row->member.row.nLMargin = (!wc->nRow ? wc->nFirstMargin : wc->nLeftMargin);
row->member.row.nRMargin = wc->nRightMargin;
assert(para->member.para.pFmt->dwMask & PFM_ALIGNMENT);
align = para->member.para.pFmt->wAlignment;
if (align == PFA_CENTER)
shift = (wc->nAvailWidth-width)/2;
if (align == PFA_RIGHT)
shift = wc->nAvailWidth-width;
for (p = wc->pRowStart; p!=pEnd; p = p->next)
{
if (p->type==diRun) { /* FIXME add more run types */
p->member.run.pt.x += row->member.row.nLMargin+shift;
}
}
ME_InsertBefore(wc->pRowStart, row);
wc->nRow++;
wc->pt.y += ascent+descent;
ME_BeginRow(wc);
}
static void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp) {
ME_DisplayItem *p;
ME_WrapContext wc;
int border = 0;
int linespace = 0;
PARAFORMAT2 *pFmt;
assert(tp->type == diParagraph);
if (!(tp->member.para.nFlags & MEPF_REWRAP)) {
return;
}
ME_PrepareParagraphForWrapping(c, tp);
/* For now treating all non-password text as complex for better testing */
if (!c->editor->cPasswordMask /* &&
ScriptIsComplex( tp->member.para.text->szData, tp->member.para.text->nLen, SIC_COMPLEX ) == S_OK */)
{
if (SUCCEEDED( itemize_para( c, tp ) ))
shape_para( c, tp );
}
pFmt = tp->member.para.pFmt;
wc.context = c;
wc.pPara = tp;
/* wc.para_style = tp->member.para.style; */
wc.style = NULL;
if (tp->member.para.nFlags & MEPF_ROWEND) {
wc.nFirstMargin = wc.nLeftMargin = wc.nRightMargin = 0;
} else {
int dxStartIndent = pFmt->dxStartIndent;
if (tp->member.para.pCell) {
dxStartIndent += ME_GetTableRowEnd(tp)->member.para.pFmt->dxOffset;
}
wc.nFirstMargin = ME_twips2pointsX(c, dxStartIndent);
wc.nLeftMargin = wc.nFirstMargin + ME_twips2pointsX(c, pFmt->dxOffset);
wc.nRightMargin = ME_twips2pointsX(c, pFmt->dxRightIndent);
}
if (c->editor->bEmulateVersion10 && /* v1.0 - 3.0 */
pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
{
wc.nFirstMargin += ME_twips2pointsX(c, pFmt->dxOffset * 2);
}
wc.nRow = 0;
wc.pt.y = 0;
if (pFmt->dwMask & PFM_SPACEBEFORE)
wc.pt.y += ME_twips2pointsY(c, pFmt->dySpaceBefore);
if (!(pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE) &&
pFmt->dwMask & PFM_BORDER)
{
border = ME_GetParaBorderWidth(c, tp->member.para.pFmt->wBorders);
if (pFmt->wBorders & 1) {
wc.nFirstMargin += border;
wc.nLeftMargin += border;
}
if (pFmt->wBorders & 2)
wc.nRightMargin -= border;
if (pFmt->wBorders & 4)
wc.pt.y += border;
}
linespace = ME_GetParaLineSpace(c, &tp->member.para);
ME_BeginRow(&wc);
for (p = tp->next; p!=tp->member.para.next_para; ) {
assert(p->type != diStartRow);
if (p->type == diRun) {
p = ME_WrapHandleRun(&wc, p);
}
else p = p->next;
if (wc.nRow && p == wc.pRowStart)
wc.pt.y += linespace;
}
ME_WrapEndParagraph(&wc, p);
if (!(pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE) &&
(pFmt->dwMask & PFM_BORDER) && (pFmt->wBorders & 8))
wc.pt.y += border;
if (tp->member.para.pFmt->dwMask & PFM_SPACEAFTER)
wc.pt.y += ME_twips2pointsY(c, pFmt->dySpaceAfter);
tp->member.para.nFlags &= ~MEPF_REWRAP;
tp->member.para.nHeight = wc.pt.y;
tp->member.para.nRows = wc.nRow;
}
static void ME_InsertRowStart(ME_WrapContext *wc, const ME_DisplayItem *pEnd)
{
ME_DisplayItem *p, *row;
ME_Paragraph *para = &wc->pPara->member.para;
BOOL bSkippingSpaces = TRUE;
int ascent = 0, descent = 0, width=0, shift = 0, align = 0;
/* wrap text */
for (p = pEnd->prev; p!=wc->pRowStart->prev; p = p->prev)
{
/* ENDPARA run shouldn't affect row height, except if it's the only run in the paragraph */
if (p->type==diRun && ((p==wc->pRowStart) || !(p->member.run.nFlags & MERF_ENDPARA))) { /* FIXME add more run types */
if (p->member.run.nAscent>ascent)
ascent = p->member.run.nAscent;
if (p->member.run.nDescent>descent)
descent = p->member.run.nDescent;
if (bSkippingSpaces)
{
/* Exclude space characters from run width.
* Other whitespace or delimiters are not treated this way. */
int len = p->member.run.len;
WCHAR *text = get_text( &p->member.run, len - 1 );
assert (len);
if (~p->member.run.nFlags & MERF_GRAPHICS)
while (len && *(text--) == ' ')
len--;
if (len)
{
if (len == p->member.run.len)
width += p->member.run.nWidth;
else
width += ME_PointFromCharContext( wc->context, &p->member.run, len, FALSE );
}
bSkippingSpaces = !len;
} else if (!(p->member.run.nFlags & MERF_ENDPARA))
width += p->member.run.nWidth;
}
}
para->nWidth = max(para->nWidth, width);
row = ME_MakeRow(ascent+descent, ascent, width);
if (wc->context->editor->bEmulateVersion10 && /* v1.0 - 3.0 */
(para->pFmt->dwMask & PFM_TABLE) && (para->pFmt->wEffects & PFE_TABLE))
{
/* The text was shifted down in ME_BeginRow so move the wrap context
* back to where it should be. */
wc->pt.y--;
/* The height of the row is increased by the borders. */
row->member.row.nHeight += 2;
}
row->member.row.pt = wc->pt;
row->member.row.nLMargin = (!wc->nRow ? wc->nFirstMargin : wc->nLeftMargin);
row->member.row.nRMargin = wc->nRightMargin;
assert(para->pFmt->dwMask & PFM_ALIGNMENT);
align = para->pFmt->wAlignment;
if (align == PFA_CENTER)
shift = max((wc->nAvailWidth-width)/2, 0);
if (align == PFA_RIGHT)
shift = max(wc->nAvailWidth-width, 0);
if (para->nFlags & MEPF_COMPLEX) layout_row( wc->pRowStart, pEnd );
row->member.row.pt.x = row->member.row.nLMargin + shift;
for (p = wc->pRowStart; p!=pEnd; p = p->next)
{
if (p->type==diRun) { /* FIXME add more run types */
p->member.run.pt.x += row->member.row.nLMargin+shift;
}
}
ME_InsertBefore(wc->pRowStart, row);
wc->nRow++;
wc->pt.y += row->member.row.nHeight;
ME_BeginRow(wc);
}
static void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp, DWORD beginofs) {
ME_DisplayItem *p;
ME_WrapContext wc;
int border = 0;
int linespace = 0;
assert(tp->type == diParagraph);
if (!(tp->member.para.nFlags & MEPF_REWRAP)) {
return;
}
ME_PrepareParagraphForWrapping(c, tp);
wc.context = c;
/* wc.para_style = tp->member.para.style; */
wc.style = NULL;
wc.nFirstMargin = ME_twips2pointsX(c, tp->member.para.pFmt->dxStartIndent) + beginofs;
wc.nLeftMargin = wc.nFirstMargin + ME_twips2pointsX(c, tp->member.para.pFmt->dxOffset);
wc.nRightMargin = ME_twips2pointsX(c, tp->member.para.pFmt->dxRightIndent);
wc.nRow = 0;
wc.pt.x = 0;
wc.pt.y = 0;
if (tp->member.para.pFmt->dwMask & PFM_SPACEBEFORE)
wc.pt.y += ME_twips2pointsY(c, tp->member.para.pFmt->dySpaceBefore);
if (tp->member.para.pFmt->dwMask & PFM_BORDER)
{
border = ME_GetParaBorderWidth(c->editor, tp->member.para.pFmt->wBorders);
if (tp->member.para.pFmt->wBorders & 1) {
wc.nFirstMargin += border;
wc.nLeftMargin += border;
}
if (tp->member.para.pFmt->wBorders & 2)
wc.nRightMargin -= border;
if (tp->member.para.pFmt->wBorders & 4)
wc.pt.y += border;
}
if (c->editor->bWordWrap)
wc.nAvailWidth = c->rcView.right - c->rcView.left - wc.nFirstMargin - wc.nRightMargin;
else
wc.nAvailWidth = ~0u >> 1;
wc.pRowStart = NULL;
linespace = ME_GetParaLineSpace(c, &tp->member.para);
ME_BeginRow(&wc);
for (p = tp->next; p!=tp->member.para.next_para; ) {
assert(p->type != diStartRow);
if (p->type == diRun) {
p = ME_WrapHandleRun(&wc, p);
}
else p = p->next;
if (wc.nRow && p == wc.pRowStart)
wc.pt.y += linespace;
}
ME_WrapEndParagraph(&wc, p);
if ((tp->member.para.pFmt->dwMask & PFM_BORDER) && (tp->member.para.pFmt->wBorders & 8))
wc.pt.y += border;
if (tp->member.para.pFmt->dwMask & PFM_SPACEAFTER)
wc.pt.y += ME_twips2pointsY(c, tp->member.para.pFmt->dySpaceAfter);
tp->member.para.nFlags &= ~MEPF_REWRAP;
tp->member.para.nHeight = wc.pt.y;
tp->member.para.nRows = wc.nRow;
}