// We assume that appended cells will be in a new line!
void GroupCell::RecalculateAppended(CellParser& parser)
{
  if (m_appendedCells == NULL)
    return;

  MathCell *tmp = m_appendedCells;
  int fontsize = m_fontSize;
  double scale = parser.GetScale();

  // Recalculate widths of cells
  while (tmp != NULL) {
    tmp->RecalculateWidths(parser, tmp->IsMath() ? m_mathFontSize : m_fontSize);
    tmp = tmp->m_next;
  }

  // Breakup cells and break lines
  BreakUpCells(m_appendedCells, parser, fontsize, parser.GetClientWidth());
  BreakLines(m_appendedCells, parser.GetClientWidth());

  // Recalculate size of cells
  tmp = m_appendedCells;
  while (tmp != NULL) {
    tmp->RecalculateSize(parser,  tmp->IsMath() ? m_mathFontSize : m_fontSize);
    tmp = tmp->m_next;
  }

  // Update widths
  tmp = m_appendedCells;
  while (tmp != NULL) {
    if (tmp->BreakLineHere() || tmp == m_appendedCells) {
      m_width = MAX(m_width, tmp->GetLineWidth(scale));
      m_outputRect.width = MAX(m_outputRect.width, tmp->GetLineWidth(scale));
      m_height += tmp->GetMaxHeight();
      if (tmp->m_bigSkip)
        m_height += MC_LINE_SKIP;
      m_outputRect.height += tmp->GetMaxHeight() + MC_LINE_SKIP;
    }
    tmp = tmp->m_nextToDraw;
  }

  m_appendedCells = NULL;
}
void GroupCell::RecalculateWidths(CellParser& parser, int fontsize)
{
  if (m_width == -1 || m_height == -1 || parser.ForceUpdate())
  {
    // special case of 'line cell'
    if (m_groupType == GC_TYPE_PAGEBREAK) {
      m_width = 10;
      m_height = 2;
      ResetData();
      return;
    }

    UnBreakUpCells();

    double scale = parser.GetScale();
    m_input->RecalculateWidthsList(parser, fontsize);

    // recalculate the position of input in ReEvaluateSelection!
    if (m_input->m_next != NULL) {
      m_input->m_next->m_currentPoint.x = m_currentPoint.x + m_input->GetWidth() + MC_CELL_SKIP;
    }

    if (m_output == NULL || m_hide) {
      m_width = m_input->GetFullWidth(scale);
    }

    else {
      MathCell *tmp = m_output;
      while (tmp != NULL) {
        tmp->RecalculateWidths(parser, tmp->IsMath() ? m_mathFontSize : m_fontSize);
        tmp = tmp->m_next;
      }
      // This is not correct, m_width will be computed correctly in RecalculateSize!
      m_width = m_input->GetFullWidth(scale);
    }

    BreakUpCells(parser, m_fontSize, parser.GetClientWidth());
    BreakLines(parser.GetClientWidth());
  }
  ResetData();
}