Logo Search packages:      
Sourcecode: xclass version File versions  Download package

OXHtmlTable.cc

/**************************************************************************

    HTML widget for xclass. Based on tkhtml 1.28
    Copyright (C) 1997-2000 D. Richard Hipp <drh@acm.org>
    Copyright (C) 2002-2003 Hector Peraza.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

**************************************************************************/

// Routines for doing layout of HTML tables

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>

#include <xclass/OXHtml.h>


// Default values for various table style parameters

#define DFLT_BORDER             0
#define DFLT_CELLSPACING_3D     5
#define DFLT_CELLSPACING_FLAT   0
#define DFLT_CELLPADDING        2
#define DFLT_HSPACE             0
#define DFLT_VSPACE             0

// Set parameter A to the maximum of A and B.
#define SETMAX(A,B)  if ((A) < (B)) { (A) = (B); }
#define MAX(A,B)     ((A) < (B) ? (B) : (A))


// Return the appropriate cell spacing for the given table.

int OXHtml::CellSpacing(OHtmlElement *pTable) {
  char *z;
  int relief;
  int cellSpacing;

  z = pTable->MarkupArg("cellspacing", 0);
  if (z == 0) {
     relief = tableRelief;
     if (relief == HTML_RELIEF_RAISED || relief == HTML_RELIEF_SUNKEN) {
       cellSpacing = DFLT_CELLSPACING_3D;
     } else {
       cellSpacing = DFLT_CELLSPACING_FLAT;
     }
  } else {
    cellSpacing = atoi(z);
  }

  return cellSpacing;
}

// Return the height and width of string.

void OXHtml::StringHW(const char *str, int *h, int *w) {
  const char *cp = str;
  int nw = 0, nh = 1, mw = 0;
  *h = 0; *w =0;

  if (!cp) return;

  while (*cp) {
    if (*cp != '\n') {
      nw++;
    } else {
      if (nw > mw) mw = nw;
      nw = 0;
      nh++;
    }
    cp++;
  }
  if (nw > mw) mw = nw;
  *w = mw;
  *h = nh;
}


// Return text and images from a table as lists.
// The first list is a list of rows (which is a list of cells).
// An optional second list is a list of images: row col charoffset tokenid.
// Note: weve added the option to store data/attrs in array var directly.
//
// flags - include images

OString *OXHtml::TableText(OHtmlTable *pTable, int flags) {
  int j, h, w, 
      Nest = 0,
      intext = 0,
      rows = 0,
      cols = 0,
      numcols = 0,
      maxh = 1;
  int cspans = 0,
      rspanstart = 0,
      images = flags & 1,
      attrs = flags & 2;
  unsigned short maxw[HTML_MAX_COLUMNS];
  short rspans[HTML_MAX_COLUMNS];
  char buf[100];
  const char *cp;
  OHtmlElement *p, *pEnd;
  OString istr("");     // Information string
  OString substr("");   // Temp to collect current cell string.
  OString imgstr("");   // Image information
  OString attrstr("");  // Attribue information

  OString *str = new OString("");  // The result

  if (pTable->type != Html_TABLE) return str;
  if (!(pEnd = pTable->pEnd)) {
    delete str;
    return NULL;
  }

  str->Append("{ ");  // start sublist
  if (attrs) {
    attrstr.Append("{ ");  // start sublist
    AppendArglist(&attrstr, pTable);
    attrstr.Append("} ");  // end sublist
  }
  for (j = 0; j < HTML_MAX_COLUMNS; j++) {
    maxw[j] = 0;
    rspans[j] = 0;
  }
  Nest = 1;
  istr.Append("{ ");
  p = pTable;
  while (p && (p = p->pNext)) {
    if (attrs) {
     switch (p->type) {
        case Html_EndTR:
          break;

        case Html_TR:
          break;
     }
   }

   switch (p->type) {
      case Html_TABLE:
        if (!(p = FindEndNest(p, Html_EndTABLE, 0))) {
          delete str;
          return NULL;
        }
        break;

      case Html_EndTABLE:
        p = 0;
        break;

      case Html_TR:
        if (cols > numcols) numcols = cols;
        maxh = 1;
        cols = 0;
        rows++;
        Nest++;
        str->Append("{ ");
        if (attrs) {
          attrstr.Append("{ { ");
          AppendArglist(&attrstr, (OHtmlMarkupElement *) p);
          attrstr.Append("} ");
        }
        break;

      case Html_EndTR:
        sprintf(buf, "%d ", maxh);
        istr.Append(buf);
        if (attrs)
          attrstr.Append("} ");
        while (Nest > 1) {
          Nest--;
          str->Append("} ");
        }
        break;

      case Html_TD:
      case Html_TH:
        if ((!(cp = p->MarkupArg("colspan", 0))) || (cspans = atoi(cp)) <= 0)
          cspans = 1;
        if ((cp = p->MarkupArg("rowspan", 0)) && (j = atoi(cp)) > 0 &&
            cols < HTML_MAX_COLUMNS) {
          rspans[cols] = j;
          rspanstart = 1;
        } else {
          rspanstart = 0;
        }
        if (attrs) {
          j = 0;
          while ((cspans - j) > 0) {
            attrstr.Append("{ ");
            if (!j) AppendArglist(&attrstr, (OHtmlMarkupElement *) p);
            attrstr.Append("} ");
            j++;
          }
        }
        cols++;
        substr.Clear();
        break;

      case Html_EndTD:
      case Html_EndTH:
        if (!rspanstart) {
          while (cols <= HTML_MAX_COLUMNS && rspans[cols-1]-- > 1) {
            str->Append(" ");  // (""); ??
            cols++;
          }
        }
        cp = substr.GetString();
          
        j = 0;
        while ((cspans - j) > 0) {
          str->Append(cp);
          str->Append(" ");
          if (!j) {
            StringHW(cp, &h, &w);
            if (h > maxh) maxh = h;
            if (cols > 0 && cols <= HTML_MAX_COLUMNS)
              if (w > maxw[cols-1])
                maxw[cols-1] = w;
          }
          j++;
          cp = "";
        }
        cspans = 0;
        break;

      case Html_Text:
        substr.Append(((OHtmlTextElement *)p)->zText, -1);
        break;

      case Html_Space:
        for (j = 0; j < p->count; j++) {
          substr.Append(" ");
        }
//        if ((p->flags & HTML_NewLine) != 0)
//          substr.Append("\n");
        break;

      case Html_BR:
        substr.Append("\n");  // ("\\n"); ??
        break;

      case Html_CAPTION:  // Should do something with Caption?
        if (!(pEnd = FindEndNest(p, Html_EndCAPTION, 0)))
          p = pEnd;
        break;

      case Html_IMG:  // Images return: row col charoffset tokenid
        if (!images) break;
        sprintf(buf, "%d %d %d %d ", rows-1, cols-1, 
                     substr.GetLength(), p->id);
        imgstr.Append(buf);
        break;
    }
  }

  while (Nest--) str->Append("} ");
  istr.Append("} { ");
  for (j = 0; j < numcols && j < HTML_MAX_COLUMNS; j++) {
    sprintf(buf, "%d ", maxw[j]);
    istr.Append(buf);
  }
  istr.Append("} ");

  str->Append(istr.GetString());
  str->Append(" ");
  if (attrs) {
    str->Append("{ ");
    str->Append(attrstr.GetString());
    str->Append("} ");
  }
  if (images) {
    str->Append(imgstr.GetString());
  }

  return str;
}


// Find End tag en, but ignore intervening begin/end tag pairs.
//
// sp -- Pointer to start from
// en -- End tag to search for
// lp -- Last pointer to try

OHtmlElement *OXHtml::FindEndNest(OHtmlElement *sp, int en,
                                  OHtmlElement *lp) {
  OHtmlElement *p;
  int lvl, n;

  p = sp->pNext;
  lvl = 0;
  n = sp->type;

  while (p) {
    if (p == lp) return 0;
    if (n == Html_LI) {
      if (p->type == Html_LI || p->type == Html_EndUL ||
          p->type == Html_EndOL) {
        if (p->pPrev) return p->pPrev;
        return p;
      }
    } else if (p->type == n) {
      if (n == Html_OPTION) {
        if (p->pPrev) return p->pPrev;
        return p;
      }
      lvl++;
    } else if (p->type == en) {
      if (!lvl--) return p;
    }
    switch (p->type) {
      case Html_TABLE: p = ((OHtmlTable *)p)->pEnd; break; // optimization
      case Html_FORM:  p = ((OHtmlForm *)p)->pEnd;  break;
      default: p = p->pNext;
    }
  }

  return 0;
}


// pStart points to a <table>.  Compute the number of columns, the
// minimum and maximum size for each column and the overall minimum
// and maximum size for this table and store these value in the
// pStart structure.  Return a pointer to the </table> element, 
// or to NULL if there is no </table>.
//
// The min and max size for column N (where the leftmost column has
// N==1) is pStart->minW[1] and pStart->maxW[1].  The pStart->minW[0]
// and pStart->maxW[0] entries contain the minimum and maximum widths
// of the whole table, including any cell padding, cell spacing,
// border width and "hspace".  The values of pStart->minW[I] for I>=1
// do not contain any cell padding, cell spacing or border width.
// Only pStart->minW[0] contains these extra spaces.
//
// The back references from </table>, </tr>, </td> and </th> back to
// the <table> markup are also filled in.  And for each <td> and <th>
// markup, the pTable and pEnd fields are set to their proper values.
//
// pStart    - The <table> markup
// lineWidth - Total width available to the table

OHtmlElement *OXHtml::TableDimensions(OHtmlTable *pStart, int lineWidth) {
  OHtmlElement *p;                   // Element being processed
  OHtmlElement *pNext;               // Next element to process
  int iCol = 0;                      // Current column number.  1..N
  int iRow = 0;                      // Current row number
  OHtmlElement *inRow = 0;           // Pointer to <TR>
  OHtmlElement *inCol = 0;           // Pointer to <TD>
  int i, j;                          // Loop counters
  int n;                             // Number of columns
  int minW, maxW, requestedW;        // min, max, requested width for a cell
  int noWrap;                        // true for NOWRAP cells
  int colspan;                       // Column span for the current cell
  int rowspan;                       // Row span for the current cell
  char *z;                           // Value of a <table> parameter
  int cellSpacing;                   // Value of CELLSPACING parameter
  int cellPadding;                   // Value of CELLPADDING parameter
  int tbw;                           // Width of border around whole table
  int cbw;                           // Width of border around one cell
  int hspace;                        // Value of HSPACE parameter
  int separation;                    // Space between columns
  int margin;                        // Space between left margin and 1st col
  int availWidth;                    // Part of lineWidth still available
  int maxTableWidth;                 // Amount of lineWidth available to table
  int fromAbove[HTML_MAX_COLUMNS+1]; // Cell above extends thru this row
  int min0span[HTML_MAX_COLUMNS+1];  // Min for colspan=0 cells
  int max0span[HTML_MAX_COLUMNS+1];  // Max for colspan=0 cells
  int reqW[HTML_MAX_COLUMNS+1];      // Requested width for each column
  int hasbg;

  // colMin[A][B] is the absolute minimum width of all columns between
  // A+1 and B+1.  colMin[B][A] is the requested width of columns between
  // A+1 and B+1.  This information is used to add in the constraints imposed
  // by <TD COLSPAN=N> markup where N>=2.

  int colMin[HTML_MAX_COLUMNS+1][HTML_MAX_COLUMNS+1];
# define ColMin(A,B) colMin[(A)-1][(B)-1]
# define ColReq(A,B) colMin[(B)-1][(A)-1]
  
  if (pStart == 0 || pStart->type != Html_TABLE) return pStart;

  if (pStart->bgImage) pStart->hasbg = 1;

  TRACE_PUSH(HtmlTrace_Table1);
  TRACE(HtmlTrace_Table1, ("Starting TableDimensions... %s\n",
        pStart->MarkupArg("name", "")));

  pStart->nCol = 0;
  pStart->nRow = 0;

  z = pStart->MarkupArg("border", 0);
  if (z && *z == 0) z = "2";

  tbw = z ? atoi(z) : DFLT_BORDER;
  if (TableBorderMin && tbw < TableBorderMin) tbw = TableBorderMin;
  pStart->borderWidth = tbw;

  cbw = (tbw > 0);

  z = pStart->MarkupArg("cellpadding", 0);
  cellPadding = z ? atoi(z) : DFLT_CELLPADDING;
  cellSpacing = CellSpacing(pStart);

#ifdef DEBUG
  // The HtmlTrace_Table4 flag causes tables to be draw with borders
  // of 2, cellPadding of 5 and cell spacing of 2.  This makes the
  // table clearly visible.  Useful for debugging. */
  if (HtmlTraceMask & HtmlTrace_Table4) {
    tbw = pStart->borderWidth = 2;
    cbw = 1;
    cellPadding = 5;
    cellSpacing = 2;
    pStart->style.bgcolor = COLOR_Background;
  }
#endif

  separation = cellSpacing + 2 * (cellPadding + cbw);
  margin = tbw + cellSpacing + cbw + cellPadding;

  z = pStart->MarkupArg("hspace", 0);
  hspace = z ? atoi(z) : DFLT_HSPACE;

  // Figure out the maximum space available
  z = pStart->MarkupArg("width", 0);
  if (z) {
    int len = strlen(z);
    if (len > 0 && z[len-1] == '%') {
      maxTableWidth = (atoi(z) * lineWidth) / 100;
    }else{
      maxTableWidth = atoi(z);
    }
  } else {
    maxTableWidth = lineWidth;
  }
  maxTableWidth -= 2 * margin;
  SETMAX(maxTableWidth, 1);

  TRACE(HtmlTrace_Table1, ("lineWidth = %d, maxTableWidth = %d, margin = %d\n", 
        lineWidth, maxTableWidth, margin));

  for (p = pStart->pNext; p; p = pNext) {
    if (p->type == Html_EndTABLE) {
      ((OHtmlRef *)p)->pOther = pStart;
      pStart->pEnd = p;
      break;
    }

    pNext = p->pNext;

    switch (p->type) {
      case Html_EndTD:
      case Html_EndTH:
      case Html_EndTABLE:
        ((OHtmlRef *)p)->pOther = pStart;
        inCol = 0;
        break;

      case Html_EndTR:
        ((OHtmlRef *)p)->pOther = pStart;
        inRow = 0;
        break;

      case Html_TR:
        ((OHtmlRef *)p)->pOther = pStart;
        iRow++;
        pStart->nRow++;
        iCol = 0;
        inRow = p;
        availWidth = maxTableWidth;
        break;

      case Html_CAPTION:
        while (p && p->type != Html_EndTABLE 
               && p->type != Html_EndCAPTION) p = p->pNext;
        break;

      case Html_TD:
      case Html_TH: {
        OHtmlCell *cell = (OHtmlCell *) p;
        inCol = p;
        if (!inRow) {
          // If the <TR> markup is omitted, insert it.
          OHtmlElement *pNew = new OHtmlRef(Html_TR, 1, 0, 0);
          if (pNew == 0) break;
          //pNew->type = Html_TR;
          pNew->count = 0;
          pNew->style = p->style;
          pNew->flags = p->flags;
          pNew->pNext = p;
          p->pPrev->pNext = pNew;
          p->pPrev = pNew;
          pNext = pNew;
          break;
        }
        do {
          iCol++;
        } while (iCol <= pStart->nCol && fromAbove[iCol] > iRow);
        cell->pTable = pStart;
        cell->pRow = inRow;
        colspan = cell->colspan;
        if (colspan == 0) colspan = 1;
        if (iCol + colspan - 1 > pStart->nCol) {
          int nCol = iCol + colspan - 1;
          if (nCol > HTML_MAX_COLUMNS) nCol = HTML_MAX_COLUMNS;
          for (i = pStart->nCol + 1; i <= nCol; i++) {
            fromAbove[i] = 0;
            pStart->minW[i] = 0;
            pStart->maxW[i] = 0;
            min0span[i] = 0;
            max0span[i] = 0;
            reqW[i] = 0;
            for (j = 1; j < i; j++) {
              ColMin(j,i) = 0;
              ColReq(j,i) = 0;
            }
          }
          pStart->nCol = nCol;
        }
        noWrap = (p->MarkupArg("nowrap", 0) != 0);
        hasbg = (pStart->hasbg || ((OHtmlRef *)cell->pRow)->bgImage ||
                 cell->bgImage);
        pNext = MinMax(p, &minW, &maxW, availWidth, hasbg);
        cell->pEnd = pNext;
        requestedW = 0;
        if ((z = p->MarkupArg("width", 0)) != 0) {
          for (i = 0; isdigit(z[i]) || z[i] == '.'; i++) {}
          if (strcmp(z, "*") == 0) {
            requestedW = availWidth;
          } else if (z[i] == 0) {
            requestedW = atoi(z);
          } else if (z[i] == '%') {
            requestedW = (atoi(z) * maxTableWidth + 99) / 100;
          }
        }

        TRACE(HtmlTrace_Table1,
          ("Row %d Column %d: min=%d max=%d req=%d stop at %s\n",
            iRow, iCol, minW, maxW, requestedW,
            GetTokenName(((OHtmlCell *)p)->pEnd)));

        if (noWrap) {
          if ((z = p->MarkupArg("rowspan", 0)) == 0) { // Hack ???
            //minW = (requestedW > 0 ? requestedW : maxW);
          } else {
            minW = maxW;
          }
        }
        if (iCol + cell->colspan <= HTML_MAX_COLUMNS) {
          int min = 0;
          if (cell->colspan == 0) {
            SETMAX(min0span[iCol], minW);
            SETMAX(max0span[iCol], maxW);
            min = min0span[iCol] + separation;
          } else if (colspan == 1) {
            SETMAX(pStart->minW[iCol], minW);
            SETMAX(pStart->maxW[iCol], maxW);
            SETMAX(reqW[iCol], requestedW);
            min = pStart->minW[iCol] + separation;
          } else {
            int n = cell->colspan;
            int per = maxW / n;
            int ix;
            SETMAX(ColMin(iCol, iCol+n-1), minW);
            SETMAX(ColReq(iCol, iCol+n-1), requestedW);
            min = minW + separation;
            for (ix = iCol; ix < iCol + n; ix++) {
              if (minW != maxW)   //-- without this some tables are not displayed properly
                SETMAX(pStart->maxW[ix], per);
            }
          }
          availWidth -= min;
        }
        rowspan = cell->rowspan;
        if (rowspan == 0) rowspan = LARGE_NUMBER;
        if (rowspan > 1) {
          for (i = iCol; i < iCol + cell->colspan && i < HTML_MAX_COLUMNS; i++) {
            fromAbove[i] = iRow + rowspan;
          }
        }
        if (cell->colspan > 1) {
          iCol += cell->colspan - 1;
        } else if (cell->colspan == 0) {
          iCol = HTML_MAX_COLUMNS + 1;
        }
        break;
      }
    }
  }

#ifdef DEBUG
  if (HtmlTraceMask & HtmlTrace_Table6) {
    char *zSpace = "";
    TRACE_INDENT;
    for (i = 1; i <= pStart->nCol; i++) {
      printf("%s%d:%d..%d", zSpace, i, pStart->minW[i], pStart->maxW[i]);
      if (reqW[i] > 0) {
        printf("(w=%d)", reqW[i]);
      }
      zSpace = "  ";
    }
    printf("\n");
    for (i = 1; i < pStart->nCol; i++) {
      for (j = i+1; j <= pStart->nCol; j++) {
        if (ColMin(i, j) > 0) {
          TRACE_INDENT;
          printf("ColMin(%d,%d) = %d\n", i, j, ColMin(i, j));
        }
        if (ColReq(i, j) > 0) {
          TRACE_INDENT;
          printf("ColReq(%d,%d) = %d\n", i, j, ColReq(i, j));
        }
      } 
    }
  }
#endif

  // Compute the min and max width of each column

  for (i = 1; i <= pStart->nCol; i++) {
    int sumMin, sumReq, sumMax;

    // Reduce the max[] field to N for columns that have "width=N"
    if (reqW[i] > 0) {
      pStart->maxW[i] = MAX(pStart->minW[i], reqW[i]);
    }

    // Expand the width of columns marked with "colspan=0". 

    if (min0span[i] > 0 || max0span[i] > 0) {
      int n = pStart->nCol - i + 1;
      minW = (min0span[i] + (n - 1) * (1 - separation)) / n;
      maxW = (max0span[i] + (n - 1) * (1 - separation)) / n;
      for (j = i; j <= pStart->nCol; j++) {
        SETMAX(pStart->minW[j], minW);
        SETMAX(pStart->maxW[j], maxW);
      }
    }

    // Expand the minW[] of columns to accomodate "colspan=N" constraints.
    // The minW[] is expanded up to the maxW[] first.  Then all the maxW[]s
    // are expanded in proportion to their sizes.  The same thing occurs
    // for reqW[]s.

    sumReq = reqW[i];
    sumMin = pStart->minW[i];
    sumMax = pStart->maxW[i];
    for (j = i-1; j >= 1; j--) {
      int cmin, creq;

      sumMin += pStart->minW[j];
      sumMax += pStart->maxW[j];
      sumReq += reqW[i];
      cmin = ColMin(j, i);

      if (cmin > sumMin) {
        int k;
        double scale;

        int *tminW = pStart->minW;
        int *tmaxW = pStart->maxW;
        if (sumMin < sumMax) {
          scale = (double) (cmin - sumMin) / (double) (sumMax - sumMin);
          for (k = j; k <= i; k++) {
            sumMin -= tminW[k];
            tminW[k] = (int) ((tmaxW[k] - tminW[k]) * scale + tminW[k]);
            sumMin += tminW[k];
          }
        } else if (sumMin > 0) {
          scale = (double) cmin / (double) sumMin;
          for (k = j; k <= i; k++) {
            sumMin -= tminW[k];
            tminW[k] = tmaxW[k] = (int) (tminW[k] * scale);
            sumMin += tminW[k];
          }
        } else {
          int unit = cmin / (i - j + 1);
          for (k = j; k <= i; k++) {
            tminW[k] = tmaxW[k] = unit;
            sumMin += tminW[k];
          }
        }
      }

      creq = ColReq(j, i);
      if (creq > sumReq) {
        int k;
        double scale;

        int *tmaxW = pStart->maxW;
        if (sumReq < sumMax) {
          scale = (double) (creq - sumReq) / (double) (sumMax - sumReq);
          for (k = j; k <= i; k++) {
            sumReq -= reqW[k];
            reqW[k] = (int) ((tmaxW[k] - reqW[k]) * scale + reqW[k]);
            sumReq += reqW[k];
          }
        } else if (sumReq > 0) {
          scale = (double) creq / (double) sumReq;
          for (k = j; k <= i; k++) {
            sumReq -= reqW[k];
            reqW[k] = (int) (reqW[k] * scale);
            sumReq += reqW[k];
          }
        } else {
          int unit = creq / (i - j + 1);
          for (k = j; k <= i; k++) {
            reqW[k] = unit;
            sumReq += reqW[k];
          }
        }
      }
    }
  }

#ifdef DEBUG
  if (HtmlTraceMask & HtmlTrace_Table6) {
    char *zSpace = "";
    TRACE_INDENT;
    for (i = 1; i <= pStart->nCol; i++) {
      printf("%s%d:%d..%d", zSpace, i, pStart->minW[i], pStart->maxW[i]);
      if (reqW[i] > 0) {
        printf("(w=%d)", reqW[i]);
      }
      zSpace = "  ";
    }
    printf("\n");
  }
#endif

  // Compute the min and max width of the whole table

  n = pStart->nCol;
  requestedW = tbw * 2 + (n + 1) * cellSpacing + n * 2 * (cellPadding + cbw);
  pStart->minW[0] = requestedW;
  pStart->maxW[0] = requestedW;
  for (i = 1; i <= pStart->nCol; i++) {
    pStart->minW[0] += pStart->minW[i];
    pStart->maxW[0] += pStart->maxW[i];
    requestedW += MAX(reqW[i], pStart->minW[i]);
  }

  // Possibly widen or narrow the table to accomodate a "width=" attribute
  z = pStart->MarkupArg("width", 0);
  if (z) {
    int len = strlen(z);
    int totalWidth;
    if (len > 0 && z[len-1] == '%') {
      totalWidth = (atoi(z) * lineWidth) / 100;
    } else {
      totalWidth = atoi(z);
    }
    SETMAX(totalWidth, pStart->minW[0]);
#if 1
    requestedW = totalWidth;
#else
    SETMAX(requestedW, totalWidth); //-- makes it too narrow
#endif
  }
  SETMAX(maxTableWidth, pStart->minW[0]);
  if (lineWidth && (requestedW > lineWidth)) {

    TRACE(HtmlTrace_Table5, ("RequestedW reduced to lineWidth: %d -> %d\n", 
          requestedW, lineWidth));

    requestedW = lineWidth;
  }
  if (requestedW > pStart->minW[0]) {
    float scale;
    int *tminW = pStart->minW;
    int *tmaxW = pStart->maxW;

    TRACE(HtmlTrace_Table5,
          ("Expanding table minW from %d to %d.  (reqW=%d width=%s)\n",
           tminW[0], requestedW, requestedW, z));

    if (tmaxW[0] > tminW[0]) {
      scale = (double) (requestedW - tminW[0]) / (double) (tmaxW[0] - tminW[0]);
      for (i = 1; i <= pStart->nCol; i++) {
        tminW[i] += (int) ((tmaxW[i] - tminW[i]) * scale);
        SETMAX(tmaxW[i], tminW[i]);
      }
    } else if (tminW[0] > 0) {
      scale = requestedW / (double) tminW[0];
      for (i = 1; i <= pStart->nCol; i++) {
        tminW[i] = (int) (tminW[i] * scale);
        tmaxW[i] = (int) (tmaxW[i] * scale);
      }
    } else if (pStart->nCol > 0) {
      int unit = (requestedW - margin) / pStart->nCol - separation;
      if (unit < 0) unit = 0;
      for (i = 1; i <= pStart->nCol; i++) {
        tminW[i] = tmaxW[i] = unit;
      }
    } else {
      tminW[0] = tmaxW[0] = requestedW;
    }
    pStart->minW[0] = requestedW;
    SETMAX(pStart->maxW[0], requestedW);
  }

#ifdef DEBUG
  if (HtmlTraceMask & HtmlTrace_Table5) {
    TRACE_INDENT;
    printf("Start with %s and ", GetTokenName(pStart));
    printf("end with %s\n", GetTokenName(p));
    TRACE_INDENT;
    printf("nCol=%d minWidth=%d maxWidth=%d\n",
      pStart->nCol, pStart->minW[0], pStart->maxW[0]);
    for (i = 1; i <= pStart->nCol; i++) {
      TRACE_INDENT;
      printf("Column %d minWidth=%d maxWidth=%d\n",
             i, pStart->minW[i], pStart->maxW[i]);
    }
  }
#endif

  TRACE(HtmlTrace_Table1,
       ("Result of TableDimensions: min=%d max=%d nCol=%d\n",
       pStart->minW[0], pStart->maxW[0], pStart->nCol));
  TRACE_POP(HtmlTrace_Table1);

  return p;
}


// Given a list of elements, compute the minimum and maximum width needed
// to render the list.  Stop the search at the first element seen that is
// in the following set:
//
//       <tr>  <td>  <th>  </tr>  </td>  </th>  </table>
//
// Return a pointer to the element that stopped the search, or to NULL
// if we ran out of data.
//
// Sometimes the value returned for both min and max will be larger than
// the true minimum and maximum.  This is rare, and only occurs if the
// element string contains figures with flow-around text.
//
//  p         - Start the search here
//  pMin      - Return the minimum width here
//  pMax      - Return the maximum width here
//  lineWidth - Total width available

OHtmlElement *OXHtml::MinMax(OHtmlElement *p, int *pMin, int *pMax,
                             int lineWidth, int hasbg) {
  int min = 0;             // Minimum width so far
  int max = 0;             // Maximum width so far
  int indent = 0;          // Amount of indentation (minimum)
  int obstacle = 0;        // Possible obstacles in the margin
  int x1 = 0;              // Length of current line assuming maximum length
  int x2 = 0;              // Length of current line assuming minimum length
  int x3 = 0;              // Like x1, but only within <PRE> tag
  int go = 1;              // Change to 0 to stop the loop
  int inpre = 0;           // Are we in <PRE>
  OHtmlElement *pNext;     // Next element in the list
  int wstyle = 0;          // Current style for nowrap

  if (p->MarkupArg("nowrap", 0) != 0) {
    wstyle |= STY_NoBreak;
  }

  for (p = p->pNext; go && p; p = pNext) {
    pNext = p->pNext;
    if (!inpre) x3 = 0;
    switch (p->type) {
      case Html_PRE:
        inpre = 1;
        break;

      case Html_EndPRE:
        inpre = 0;
        break;

      case Html_Text: {
        OHtmlTextElement *text = (OHtmlTextElement *) p;
        x1 += text->w;
        x2 += text->w;
        SETMAX(max, x1);
        if (p->style.flags & STY_Preformatted) {
          x3 += text->w;
          SETMAX(min, x3);
        } else {
          SETMAX(min, x2);
        }
        break;
      }

      case Html_Space: {
        OHtmlSpaceElement *space = (OHtmlSpaceElement *) p;
        p->style.flags |= wstyle;
        if (p->style.flags & STY_Preformatted) {
          if (p->flags & HTML_NewLine) {
            x1 = x2 = x3 = indent;
          } else {
            x1 += space->w * p->count;
            x2 += space->w * p->count;
            x3 += space->w * p->count;
          }
        } else if (p->style.flags & STY_NoBreak) {
          if (x1 > indent) x1 += space->w;
          if (x2 > indent) x2 += space->w;
        } else {
          if (x1 > indent) x1 += space->w;
          x2 = indent;
        }
        break;
      }

      case Html_IMG: {
        OHtmlImageMarkup *image = (OHtmlImageMarkup *) p;
        switch (image->align) {
          case IMAGE_ALIGN_Left:
          case IMAGE_ALIGN_Right:
            obstacle += image->w;
            x1 = obstacle + indent;
            x2 = indent;
            SETMAX(min, x2);
            SETMAX(min, image->w);
            SETMAX(max, x1);
            break;

          default:
            x1 += image->w;
            x2 += image->w;
            if (p->style.flags & STY_Preformatted) {
              SETMAX(min, x1);
              SETMAX(max, x1);
            } else {
              SETMAX(min, x2);
              SETMAX(max, x1);
            }
            break;
        }
        break;
      }

      case Html_TABLE: {
        OHtmlTable *table = (OHtmlTable *) p;
        /* pNext = TableDimensions(table, lineWidth - indent); */
        table->hasbg = hasbg;
        pNext = TableDimensions(table, 0);
        x1 = table->maxW[0] + indent + obstacle;
        x2 = table->minW[0] + indent;
        SETMAX(max, x1);
        SETMAX(min, x2);      
        x1 = indent + obstacle;
        x2 = indent;
        if (pNext && pNext->type == Html_EndTABLE) pNext = pNext->pNext;
        break;
      }

      case Html_UL:
      case Html_OL:
        indent += HTML_INDENT;
        x1 = indent + obstacle;
        x2 = indent;
        break;

      case Html_EndUL:
      case Html_EndOL:
        indent -= HTML_INDENT;
        if (indent < 0) indent = 0;
        x1 = indent + obstacle;
        x2 = indent;
        break;

      case Html_BLOCKQUOTE:
        indent += 2 * HTML_INDENT;
        x1 = indent + obstacle;
        x2 = indent;
        break;

      case Html_EndBLOCKQUOTE:
        indent -= 2 * HTML_INDENT;
        if (indent < 0) indent = 0;
        x1 = indent + obstacle;
        x2 = indent;
        break;

      case Html_APPLET:
      case Html_INPUT:
      case Html_SELECT:
      case Html_EMBED:
      case Html_TEXTAREA: {
        OHtmlInput *input = (OHtmlInput *) p;
        x1 += input->w + input->padLeft;
        if (p->style.flags & STY_Preformatted) {
          x3 += input->w + input->padLeft;
          SETMAX(min, x3);
          SETMAX(max, x1);
          x2 += input->w + input->padLeft;
        } else {
          SETMAX(min, indent + input->w);
          SETMAX(max, x1);
          x2 = indent;
        }
        break;
      }

      case Html_BR:
      case Html_P:
      case Html_EndP:
      case Html_DIV:
      case Html_EndDIV:
      case Html_H1:
      case Html_EndH1:
      case Html_H2:
      case Html_EndH2:
      case Html_H3:
      case Html_EndH3:
      case Html_H4:
      case Html_EndH4:
      case Html_H5:
      case Html_H6:
        x1 = indent + obstacle;
        x2 = indent;
        break;

      case Html_EndTD:
      case Html_EndTH:
      case Html_CAPTION:
      case Html_EndTABLE:
      case Html_TD:
      case Html_TR:
      case Html_TH:
      case Html_EndTR:
        go = 0;
        break;

      default:
        break;
    }

    if (!go) break;
  }

  *pMin = min;
  *pMax = max;

  return p;
}


// Vertical alignments: 

#define VAlign_Unknown    0
#define VAlign_Top        1
#define VAlign_Bottom     2
#define VAlign_Center     3
#define VAlign_Baseline   4


// Return the vertical alignment specified by the given element.

int OHtmlMarkupElement::GetVerticalAlignment(int dflt) {
  char *z;
  int rc;

  z = MarkupArg("valign", 0);
  if (z == 0) {
    rc = dflt;
  } else if (strcasecmp(z, "top") == 0) {
    rc = VAlign_Top;
  } else if (strcasecmp(z, "bottom") == 0) {
    rc = VAlign_Bottom;
  } else if (strcasecmp(z, "center") == 0) {
    rc = VAlign_Center;
  } else if (strcasecmp(z, "baseline") == 0) {
    rc = VAlign_Baseline;
  } else{
    rc = dflt;
  }

  return rc;
}


// Do all layout for a single table.  Return the </table> element or
// NULL if the table is unterminated.

OHtmlElement *OHtmlLayoutContext::TableLayout(OHtmlTable *pTable) {
  OHtmlElement *pEnd;        // The </table> element
  OHtmlElement *p;           // For looping thru elements of the table
  OHtmlElement *pNext;       // Next element in the loop
  OHtmlElement *pCaption;    // Start of the caption text.  The <caption>
  OHtmlElement *pEndCaption; // End of the caption.  The </caption>
  int width;               // Width of the table as drawn
  int cellSpacing;         // Value of cellspacing= parameter to <table>
  int cellPadding;         // Value of cellpadding= parameter to <table>
  int tbw;                 // Width of the 3D border around the whole table
  int cbw;                 // Width of the 3D border around a cell
  int pad;                 // cellPadding + borderwidth
  char *z;                 // A string
  int left_margin;         // The left edge of space available for drawing
  int lineWidth;           // Total horizontal space available for drawing
  int specWidth;           // Total horizontal drawing width per width= attr
  int separation;          // Distance between content of columns (or rows)
  int i;                   // Loop counter
  int n;                   // Number of columns
  int btm;                 // Bottom edge of previous row
  int iRow;                // Current row number
  int iCol;                // Current column number
  int colspan;             // Number of columns spanned by current cell
  int vspace;              // Value of the vspace= parameter to <table>
  int hspace;              // Value of the hspace= parameter to <table>
  int rowBottom;           // Bottom edge of content in the current row
  int defaultVAlign;       // Default vertical alignment for the current row
  char *zAlign;            // Value of the ALIGN= attribute of the <TABLE>
#define N (HTML_MAX_COLUMNS+1)
  int y[N];                // Top edge of each cell's content
  int x[N];                // Left edge of each cell's content
  int w[N];                // Width of each cell's content
  int ymax[N];             // Bottom edge of cell's content if valign=top
  OHtmlElement *apElem[N]; // The <td> or <th> for each cell in a row
  int firstRow[N];         // First row on which a cell appears
  int lastRow[N];          // Row to which each cell span's
  int valign[N];           // Vertical alignment for each cell
  OHtmlLayoutContext savedContext;  // Saved copy of the original pLC
  OHtmlLayoutContext cellContext;   // Used to render a single cell
#ifdef TABLE_TRIM_BLANK
  extern int HtmlLineWasBlank;
#endif // TABLE_TRIM_BLANK

  if (pTable == 0 || pTable->type != Html_TABLE) return pTable;

  TRACE_PUSH(HtmlTrace_Table2);
  TRACE(HtmlTrace_Table2, ("Starting TableLayout() at %s\n", 
                          html->GetTokenName(pTable)));

  // Figure how much horizontal space is available for rendering 
  // this table.  Store the answer in lineWidth.  left_margin is
  // the left-most X coordinate of the table.  btm stores the top-most
  // Y coordinate.

  ComputeMargins(&left_margin, &btm, &lineWidth);

  TRACE(HtmlTrace_Table2, ("...btm=%d left=%d width=%d\n",
                           btm, left_margin, lineWidth));

  // figure out how much space the table wants for each column,
  // and in total..
  pEnd = html->TableDimensions(pTable, lineWidth);

  // If we don't have enough horizontal space to accomodate the minimum table
  // width, then try to move down past some obstruction (such as an
  // <IMG ALIGN=LEFT>) to give us more room.

  if (lineWidth < pTable->minW[0]) {
    WidenLine(pTable->minW[0], &left_margin, &btm, &lineWidth);

    TRACE(HtmlTrace_Table2, ("Widen to btm=%d left=%d width=%d\n", 
                             btm, left_margin, lineWidth));
  }
  savedContext = *this;
  
  // Figure out how wide to draw the table 
  z = pTable->MarkupArg("width", 0);
  if (z) {
    int len = strlen(z);
    if (len > 0 && z[len-1] == '%') {
      specWidth = (atoi(z) * lineWidth) / 100;
    } else {
      specWidth = atoi(z);
    }
  } else {
    specWidth = lineWidth;
  }
  if (specWidth < pTable->minW[0]) {
    width = pTable->minW[0];
  } else if (specWidth <= pTable->maxW[0]) {
    width = specWidth;
  } else {
    width = pTable->maxW[0];
  }


  // Compute the width and left edge position of every column in
  // the table

  z = pTable->MarkupArg("cellpadding", 0);
  cellPadding = z ? atoi(z) : DFLT_CELLPADDING;
  cellSpacing = html->CellSpacing(pTable);

  z = pTable->MarkupArg("vspace", 0);
  vspace = z ? atoi(z) : DFLT_VSPACE;

  z = pTable->MarkupArg("hspace", 0);
  hspace = z ? atoi(z) : DFLT_HSPACE;

#ifdef DEBUG
  if (HtmlTraceMask & HtmlTrace_Table4) {
    cellPadding = 5;
    cellSpacing = 2;
    if (vspace < 2) vspace = 2;
    if (hspace < 2) hspace = 2;
  }
#endif

  tbw = pTable->borderWidth;
  cbw = (tbw > 0);
  pad = cellPadding + cbw;
  separation = cellSpacing + 2 * pad;
  x[1] = left_margin + tbw + cellSpacing + pad;

  n = pTable->nCol;
  if (n <= 0 || pTable->maxW[0] <= 0) {
    // Abort if the table has no columns at all or if the total width
    // of the table is zero or less.
    return pEnd;
  }

  zAlign = pTable->MarkupArg("align", "");
  if (width <= lineWidth) {
    int align = pTable->style.align;
    if (align == ALIGN_Right || strcasecmp(zAlign, "right") == 0) {
      x[1] += lineWidth - width;
    } else if (align == ALIGN_Center && strcasecmp(zAlign, "left") != 0) {
      x[1] += (lineWidth - width) / 2;
    }
  }

  if (width == pTable->maxW[0]) {
    w[1] = pTable->maxW[1];
    for (i = 2; i <= n; i++) {
      w[i] = pTable->maxW[i];
      x[i] = x[i-1] + w[i-1] + separation;
    }
  } else if (width > pTable->maxW[0]) {
    int *tmaxW = pTable->maxW;
    double scale = ((double) width) / (double) tmaxW[0];
    w[1] = (int) (tmaxW[1] * scale);
    for (i = 2; i <= n; i++) {
      w[i] = (int) (tmaxW[i] * scale);
      x[i] = x[i-1] + w[i-1] + separation;
    }
  } else if (width > pTable->minW[0]) {
    float scale;
    int *tminW = pTable->minW;
    int *tmaxW = pTable->maxW;
    scale = (double) (width - tminW[0]) / (double) (tmaxW[0] - tminW[0]);
    w[1] = (int) (tminW[1] + (tmaxW[1] - tminW[1]) * scale);
    for (i = 2; i <= n; i++) {
      w[i] = (int) (tminW[i] + (tmaxW[i] - tminW[i]) * scale);
      x[i] = x[i-1] + w[i-1] + separation;
    }
  } else {
    w[1] = pTable->minW[1];
    for (i = 2; i <= n; i++) {
      w[i] = pTable->minW[i];
      x[i] = x[i-1] + w[i-1] + separation;
    }
  }
  w[n] = width - ((x[n] - x[1]) + 2 * (tbw + pad + cellSpacing));

  // Add notation to the pTable structure so that we will know where
  // to draw the outer box around the outside of the table.

  btm += vspace;
  pTable->y = btm;
  pTable->x = x[1] - (tbw + cellSpacing + pad);
  pTable->w = width;
  SETMAX(maxX, pTable->x + pTable->w);
  btm += tbw + cellSpacing;

  // Begin rendering rows of the table
  for (i = 1; i <= n; i++) {
    firstRow[i] = 0;
    lastRow[i] = 0;
    apElem[i] = 0;
  }
  p = pTable->pNext;
  rowBottom = btm;
  for (iRow = 1; iRow <= pTable->nRow; iRow++) {

    TRACE(HtmlTrace_Table2, ("Row %d: btm=%d\n",iRow,btm));

    // Find the start of the next row. Keep an eye out for the caption
    // while we search
    while (p && p->type != Html_TR) {
      if (p->type == Html_CAPTION) {
        pCaption = p;
        while (p && p != pEnd && p->type != Html_EndCAPTION) p = p->pNext;
        pEndCaption = p;
      }

      TRACE(HtmlTrace_Table3, ("Skipping token %s\n", html->GetTokenName(p)));

      p = p->pNext; 
    }
    if (p == 0) break;

    // Record default vertical alignment flag for this row
    defaultVAlign = p->GetVerticalAlignment(VAlign_Center);

    // Find every new cell on this row
    for (iCol = 1;
         iCol <= pTable->nCol && iCol <= HTML_MAX_COLUMNS;
         iCol++) {
      if (lastRow[iCol] < iRow) ymax[iCol] = 0;
    }
    iCol = 0;
    for (p = p->pNext; p && p->type != Html_TR && p != pEnd; p = pNext) {
      pNext = p->pNext;

      TRACE(HtmlTrace_Table3, ("Processing token %s\n", html->GetTokenName(p)));

      switch (p->type) {
        case Html_TD:
        case Html_TH:
          // Find the column number for this cell. Be careful to skip
          // columns which extend down to this row from prior rows
          do {
            iCol++;
          } while (iCol <= HTML_MAX_COLUMNS && lastRow[iCol] >= iRow);

          TRACE(HtmlTrace_Table2,
            ("Column %d: x=%d w=%d\n",iCol,x[iCol],w[iCol]));

          // Process the new cell. (Cells beyond the maximum number of
          // cells are simply ignored.)
          if (iCol <= HTML_MAX_COLUMNS) {
            OHtmlCell *cell = (OHtmlCell *) p;
            apElem[iCol] = p;
            pNext = cell->pEnd;
            if (cell->rowspan == 0) {
              lastRow[iCol] = pTable->nRow;
            } else {
              lastRow[iCol] = iRow + cell->rowspan - 1;
            }
            firstRow[iCol] = iRow;

            // Set vertical alignment flag for this cell
            valign[iCol] = p->GetVerticalAlignment(defaultVAlign);

            // Render cell contents and record the height
            y[iCol] = btm + pad;
            cellContext.html    = html;
            cellContext.pStart = p->pNext;
            cellContext.pEnd   = pNext;
            cellContext.headRoom = 0;
            cellContext.top    = y[iCol];
            cellContext.bottom = y[iCol];
            cellContext.left   = x[iCol];
            cellContext.right  = 0;
            cellContext.pageWidth = x[iCol] + w[iCol];
            colspan = cell->colspan;
            if (colspan == 0) {
              for (i = iCol + 1;
                   i <= pTable->nCol && i <= HTML_MAX_COLUMNS;
                   i++) {
                cellContext.pageWidth += w[i] + separation;
                lastRow[i] = lastRow[iCol];
              }
            } else if (colspan > 1) {
              for (i = iCol + 1;
                   i < iCol + colspan && i <= HTML_MAX_COLUMNS;
                   i++) {
                cellContext.pageWidth += w[i] + separation;
                lastRow[i] = lastRow[iCol];
              }
            }
            cellContext.maxX = 0;
            cellContext.maxY = 0;
            cellContext.leftMargin = 0;
            cellContext.rightMargin = 0;
            cellContext.LayoutBlock();
#ifdef TABLE_TRIM_BLANK
            // Cancel any trailing vertical whitespace caused
            // by break markup
            if (HtmlLineWasBlank)
              cellContext.maxY -= cellContext.headRoom;
#endif // TABLE_TRIM_BLANK
            ymax[iCol] = cellContext.maxY;
            SETMAX(ymax[iCol], y[iCol]);
            cellContext.ClearMarginStack(&cellContext.leftMargin);
            cellContext.ClearMarginStack(&cellContext.rightMargin);

            // Set coordinates of the cell border
            cell->x = x[iCol] - pad;
            cell->y = btm;
            cell->w = cellContext.pageWidth + 2 * pad - x[iCol];

            TRACE(HtmlTrace_Table2,
              ("Column %d top=%d bottom=%d h=%d left=%d w=%d\n",
              iCol, y[iCol], ymax[iCol], ymax[iCol]-y[iCol], 
              cell->x, cell->w));

            // Advance the column counter for cells spaning multiple columns
            if (colspan > 1) {
              iCol += colspan - 1;
            } else if (colspan == 0) {
              iCol = HTML_MAX_COLUMNS + 1;
            }
          }
          break;

        case Html_CAPTION:
          // Gotta remember where the caption is so we can render it
          // at the end
          pCaption = p;
          while (pNext && pNext != pEnd && pNext->type != Html_EndCAPTION) {
            pNext = pNext->pNext;
          }
          pEndCaption = pNext;
          break;
      }
    }

    // Figure out how high to make this row.
    for (iCol = 1; iCol <= pTable->nCol; iCol++) {
      if (lastRow[iCol] == iRow || iRow == pTable->nRow) {
        SETMAX(rowBottom, ymax[iCol]);
      }
    }

    TRACE(HtmlTrace_Table2, ("Total row height: %d..%d -> %d\n",
                             btm,rowBottom,rowBottom-btm));

    // Position every cell whose bottom edge ends on this row
    for (iCol = 1; iCol <= pTable->nCol; iCol++) {
      int dy;    // Extra space at top of cell used for vertical alignment
      OHtmlCell *apCell = (OHtmlCell *) apElem[iCol];

      // Skip any unused cells or cells that extend down thru 
      // subsequent rows
      if (apElem[iCol] == 0 ||
          (iRow != pTable->nRow && lastRow[iCol] > iRow)) continue;

      // Align the contents of the cell vertically.
      switch (valign[iCol]) {
        case VAlign_Unknown:
        case VAlign_Center:
          dy = (rowBottom - ymax[iCol])/2;
          break;
        case VAlign_Top:
        case VAlign_Baseline:
          dy = 0;
          break;
        case VAlign_Bottom:
          dy = rowBottom - ymax[iCol];
          break;
      }
      if (dy) {
        OHtmlElement *pLast = apCell->pEnd;

        TRACE(HtmlTrace_Table3, ("Delta column %d by %d\n",iCol,dy));

        html->MoveVertically(apElem[iCol]->pNext, pLast, dy);
      }

      // Record the height of the cell so that the border can be drawn
      apCell->h = rowBottom + pad - apCell->y;
      apElem[iCol] = 0;
    }

    // Update btm to the height of the row we just finished setting
    btm = rowBottom + pad + cellSpacing;
  }

  btm += tbw;
  pTable->h = btm - pTable->y;
  SETMAX(maxY, btm);
  bottom = btm + vspace;

  // Render the caption, if there is one
  if (pCaption) {
  }

  // Whenever we do any table layout, we need to recompute all the 
  // OHtmlBlocks. The following statement forces this.
  html->ResetBlocks(); // html->firstBlock = html->lastBlock = 0;

  // Adjust the context for text that wraps around the table, if
  // requested by an ALIGN=RIGHT or ALIGN=LEFT attribute.

  if (strcasecmp(zAlign, "left") == 0) {
    savedContext.maxX = maxX;
    savedContext.maxY = maxY;
    *this = savedContext;
    PushMargin(&leftMargin, pTable->w + 2, pTable->y + pTable->h + 2, 0);
  } else if (strcasecmp(zAlign, "right") == 0) {
    savedContext.maxX = maxX;
    savedContext.maxY = maxY;
    *this = savedContext;
    PushMargin(&rightMargin, pTable->w + 2, pTable->y + pTable->h + 2, 0);
  }

  // All done

  TRACE(HtmlTrace_Table2, (
       "Done with TableLayout().  x=%d y=%d w=%d h=%d Return %s\n",
       pTable->x, pTable->y, pTable->w, pTable->h,
       html->GetTokenName(pEnd)));
  TRACE_POP(HtmlTrace_Table2);

  return pEnd;
}


// Move all elements in the given list vertically by the amount dy
//
// p     - First element to move
// pLast - Last element.  Do move this one
// dy    - Amount by which to move

void OXHtml::MoveVertically(OHtmlElement *p, OHtmlElement *pLast, int dy) {

  if (dy == 0) return;

  while (p && p != pLast) {
    switch (p->type) {
      case Html_A:
        ((OHtmlAnchor *)p)->y += dy;
        break;

      case Html_Text:
        ((OHtmlTextElement *)p)->y += dy;
        break;

      case Html_LI:
        ((OHtmlLi *)p)->y += dy;
        break;

      case Html_TD:
      case Html_TH:
        ((OHtmlCell *)p)->y += dy;
        break;

      case Html_TABLE:
        ((OHtmlTable *)p)->y += dy;
        break;

      case Html_IMG:
        ((OHtmlImageMarkup *)p)->y += dy;
        break;

      case Html_INPUT:
      case Html_SELECT:
      case Html_APPLET:
      case Html_EMBED:
      case Html_TEXTAREA:
        ((OHtmlInput *)p)->y += dy;
        break;

      default:
        break;
    }
    p = p->pNext;
  }
}

Generated by  Doxygen 1.6.0   Back to index