the merge from branch debugstream

[lyx.git] / src / text.C

/* This file is part of
* ======================================================
* 
*           LyX, The Document Processor
*        
*           Copyright (C) 1995 Matthias Ettrich
*           Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/

#include <config.h>
#include <cstdlib>
#include <cctype>

#ifdef __GNUG__
#pragma implementation "table.h"
#endif

#include "layout.h"
#include "lyxparagraph.h"
#include "lyxtext.h"
#include "support/textutils.h"
#include "lyx_gui_misc.h"
#include "lyxdraw.h"
#include "gettext.h"
#include "bufferparams.h"
#include "buffer.h"
#include "lyxscreen.h"
#include "minibuffer.h"
#include "debug.h"

static const int LYX_PAPER_MARGIN = 20;

extern int mono_video;
extern int reverse_video;
extern int fast_selection;
extern BufferView *current_view;
extern int UnlockInset(UpdatableInset* inset);

// ale070405
extern int bibitemMaxWidth(const class LyXFont &);

// dnaber 1999-02-02
extern MiniBuffer *minibuffer;

int LyXText::SingleWidth(LyXParagraph *par, int pos)
{
        char c = par->GetChar(pos);
        return SingleWidth(par, pos, c);
}


int LyXText::SingleWidth(LyXParagraph *par, int pos, char c)
{
        LyXFont font = GetFont(par, pos);

        // The most common case is handled first (Asger)
        if (IsPrintable(c)) {
                return font.width(c);

        } else if (IsHfillChar(c)) {
                return 3;       /* because of the representation
                                 * as vertical lines */

        } else if (c == LYX_META_FOOTNOTE ||
                   c == LYX_META_MARGIN ||
                   c == LYX_META_FIG ||
                   c == LYX_META_TAB ||
                   c == LYX_META_WIDE_FIG ||
                   c == LYX_META_WIDE_TAB ||
                   c == LYX_META_ALGORITHM) 
        {
                string fs;
                switch (c) {
                case LYX_META_MARGIN:
                        fs = "margin";
                        break;
                case LYX_META_FIG:
                        fs = "fig";
                        break;
                case LYX_META_TAB:
                        fs = "tab";
                        break;
                case LYX_META_ALGORITHM:
                        fs = "alg";
                        break;
                case LYX_META_WIDE_FIG:
                        fs = "wide-fig";
                        break;
                case LYX_META_WIDE_TAB:
                        fs = "wide-tab";
                        break;
                case LYX_META_FOOTNOTE:
                        fs = "foot";
                        break;
                }
                font.decSize();
                font.decSize();
                return font.stringWidth(fs);
        } 
   
        else if (c == LYX_META_INSET) {
                Inset *tmpinset=par->GetInset(pos);
                if (tmpinset)
                        return par->GetInset(pos)->Width(font);
                else
                        return 0;

        } else if (IsSeparatorChar(c))
                c = ' ';
        else if (IsNewlineChar(c))
                c = 'n';
        return font.width(c);
}


/* returns the paragraph position of the last character in the 
 * specified row */
int LyXText::RowLast(Row *row)
{
        if (row->next == 0)
                return row->par->Last()-1;
        else if (row->next->par != row->par) 
                return row->par->Last()-1;
        else 
                return row->next->pos - 1;
}


void LyXText::Draw(Row *row, int &pos, LyXScreen &scr, int offset, float &x)
{
        char c = row->par->GetChar(pos);

        if (IsNewlineChar(c)) {
                pos++;
                // Draw end-of-line marker

                LyXFont font = GetFont(row->par, pos);
                int asc = font.maxAscent();
                int wid = font.width('n');
                int y = (offset + row->baseline);
                XPoint p[3];
                p[0].x = int(x + wid*0.375); p[0].y = int(y - 0.875*asc*0.75);
                p[1].x = int(x);             p[1].y = int(y - 0.500*asc*0.75);
                p[2].x = int(x + wid*0.375); p[2].y = int(y - 0.125*asc*0.75);
                scr.drawLines(::getGC(gc_new_line),p, 3);
                
                p[0].x = int(x);             p[0].y = int(y - 0.500*asc*0.75);
                p[1].x = int(x + wid);       p[1].y = int(y - 0.500*asc*0.75);
                p[2].x = int(x + wid);       p[2].y = int(y - asc*0.75);
                scr.drawLines(::getGC(gc_new_line),p, 3);
                return;
        }

        LyXFont font = GetFont(row->par, pos);
        LyXFont font2 = font;

        if (c == LYX_META_FOOTNOTE ||
            c == LYX_META_MARGIN ||
            c == LYX_META_FIG ||
            c == LYX_META_TAB ||
            c == LYX_META_WIDE_FIG ||
            c == LYX_META_WIDE_TAB ||
            c == LYX_META_ALGORITHM) {
                string fs;
                switch (c) {
                case LYX_META_MARGIN:
                        fs = "margin";
                        /* draw a sign at the left margin! */ 
                        scr.drawText(font, "!", 1, offset + row->baseline,
                                     (LYX_PAPER_MARGIN - font.width('!'))/2);
                        break;
                case LYX_META_FIG:
                        fs = "fig";
                        break;
                case LYX_META_TAB:
                        fs = "tab";
                        break;
                case LYX_META_ALGORITHM:
                        fs = "alg";
                        break;
                case LYX_META_WIDE_FIG:
                        fs = "wide-fig";
                        break;
                case LYX_META_WIDE_TAB:
                        fs = "wide-tab";
                        break;
                case LYX_META_FOOTNOTE:
                        fs = "foot";
                        break;
                }
                font.decSize();
                font.decSize();
          
                /* calculate the position of the footnotemark */
                int y = (row->baseline - font2.maxAscent() 
                         + font.maxAscent());
          
                font.setColor(LyXFont::INSET);

                float tmpx = x;

                /* draw it and set new x position */
                x += scr.drawString(font, fs, offset + y, int(x));

                scr.drawLine(gc_foot, offset + row->baseline,
                             int(tmpx), int(x - tmpx));
          
                pos++;
                return;
        } else if (c == LYX_META_INSET) {
                Inset *tmpinset = row->par->GetInset(pos);
                if (tmpinset) 
                        tmpinset->Draw(font, scr, offset + row->baseline, x);
                pos++;
                return;
        }

        /* usual characters, no insets */

        // Collect character that we can draw in one command

        // This is dirty, but fast. Notice that it will never be too small.
        // For the record, I'll note that Microsoft Word has a limit
        // of 768 here. We have none :-) (Asger)
        static char textstring[1024];

        int last = RowLast(row);
        // Prevent crash in the extremely unlikely event
        // that our array is too small
        if (last > pos+1020) last = pos + 1020;

        textstring[0] = c;
        pos++;

        int i = 1;

        while (pos <= last &&
               (unsigned char) (c = row->par->GetChar(pos)) > ' ' &&
               font2 == GetFont(row->par, pos)) {
                textstring[i++] = c;
                pos++;
        }
        textstring[i] = 0; 

        float tmpx = x;

        // If monochrome and LaTeX mode, provide reverse background
        if (mono_video && font.latex() == LyXFont::ON) {
                int a=font.maxAscent(), d=font.maxDescent();
                scr.fillRectangle(gc_copy, int(tmpx), offset + row->baseline-a,
                                  font.textWidth(textstring, i), a+d);
        }

        /* Draw text and set the new x position */ 
        x += scr.drawText(font, textstring, i, offset + row->baseline, 
                          int(x));
        /* what about underbars? */
        if (font.underbar() == LyXFont::ON && font.latex() != LyXFont::ON) {
                scr.drawLine(gc_copy, offset + row->baseline + 2,
                             int(tmpx), int(x - tmpx));
        }

        // If we want ulem.sty support, drawing
        // routines should go here. (Asger)
        // Why shouldn't LyXFont::drawText handle it internally?
}


/* Returns the left beginning of the text. 
* This information cannot be taken from the layouts-objekt, because in 
* LaTeX the beginning of the text fits in some cases (for example sections)
* exactly the label-width. */
int LyXText::LeftMargin(Row* row)
{
   int x;
   LyXLayout *layout;
   LyXFont labelfont;
   LyXParagraph *newpar;
   Row dummyrow;
   layout = lyxstyle.Style(parameters->textclass, row->par->GetLayout());
   
   string parindent = layout->parindent; 

   /* table stuff -- begin*/ 
   if (row->par->table)
      parindent.erase();
   /* table stuff -- end*/       

   x = LYX_PAPER_MARGIN;

   x += lyxstyle.TextClass(parameters->textclass)->
     defaultfont.signedStringWidth(lyxstyle.TextClass(parameters->textclass)->leftmargin);

   if (row->par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE)  {
        LyXFont font(LyXFont::ALL_SANE);
        font.setSize(LyXFont::SIZE_SMALL);
        x += font.textWidth("Mwide-figM", 10) + LYX_PAPER_MARGIN/2;
   }

   /* this is the way, LyX handles the LaTeX-Environments.
    * I have had this idea very late, so it seems to be a
    * later added hack and this is true */ 
   if (!row->par->GetDepth()) {
      if (!row->par->GetLayout()) {
         /* find the previous same level paragraph */
         if (row->par->FirstPhysicalPar()->Previous()) {
            newpar = row->par->DepthHook(row->par->GetDepth());
            if (newpar && lyxstyle.Style(parameters->textclass, newpar->GetLayout())->nextnoindent)
               parindent.erase();
         }
      }
   }
   else {
      /* find the next level paragraph */ 
      
      newpar = row->par->DepthHook(row->par->GetDepth()-1);

      /* make a corresponding row. Needed to call LeftMargin() */
      
      /* check wether it is a sufficent paragraph */ 
      if (newpar && newpar->footnoteflag == row->par->footnoteflag
          && lyxstyle.Style(parameters->textclass, 
                            newpar->GetLayout())->isEnvironment()) {
             dummyrow.par = newpar;
             dummyrow.pos = newpar->Last();
             x = LeftMargin(&dummyrow);
      }
      else {
         /* this is no longer an error, because this function is used
          * to clear impossible depths after changing a layout. Since there
          * is always a redo, LeftMargin() is always called */ 
         
         /* printf("LYX_ERROR (text, LeftMargin()) impossible depth \n");*/ 
         row->par->FirstPhysicalPar()->depth = 0;
      }
      
      if (newpar && !row->par->GetLayout()) {
         if (newpar->FirstPhysicalPar()->noindent)
            parindent.erase();
         else
            parindent = lyxstyle.Style(parameters->textclass, 
                                       newpar->GetLayout())->parindent;
      }
      
   }
   
   labelfont = GetFont(row->par, -2);
   switch (layout->margintype) {
    case MARGIN_DYNAMIC:
      if (!layout->leftmargin.empty()) {
        x += lyxstyle.TextClass(parameters->textclass)->defaultfont.signedStringWidth(layout->leftmargin);
      }
      if (!row->par->GetLabestring().empty()) {
            x += labelfont.signedStringWidth(layout->labelindent);
            x += labelfont.stringWidth(row->par->GetLabestring());
            x += labelfont.stringWidth(layout->labelsep);
      }
      break;
    case MARGIN_MANUAL:
      x += labelfont.signedStringWidth(layout->labelindent);
      if (row->pos >= BeginningOfMainBody(row->par)) {
         if (!row->par->GetLabelWidthString().empty()) {
            x += labelfont.stringWidth(row->par->GetLabelWidthString());
            x += labelfont.stringWidth(layout->labelsep);
         }
      }
      break;
    case MARGIN_STATIC:
      x += ( lyxstyle.TextClass(parameters->textclass)->defaultfont.signedStringWidth(layout->leftmargin) * 4
             / (row->par->GetDepth() + 4));
      break;
    case MARGIN_FIRST_DYNAMIC:
      if (layout->labeltype == LABEL_MANUAL) {
         if (row->pos >= BeginningOfMainBody(row->par)) {
            x += labelfont.signedStringWidth(layout->leftmargin);
         } else {
            x += labelfont.signedStringWidth(layout->labelindent);
         }
      } else {
         if (row->pos
             // Special case to fix problems with theorems (JMarc)
             || (layout->labeltype == LABEL_STATIC
                 && layout->latextype == LATEX_ENVIRONMENT
                 && ! row->par->IsFirstInSequence())) {
                 x += labelfont.signedStringWidth(layout->leftmargin);
         } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
                  && layout->labeltype != LABEL_BIBLIO
                  && layout->labeltype != LABEL_CENTERED_TOP_ENVIRONMENT) {
                 x += labelfont.signedStringWidth(layout->labelindent);
                 x += labelfont.stringWidth(layout->labelsep);
                 x += labelfont.stringWidth(row->par->GetLabestring());
         } 
      }
      break;
      
    case MARGIN_RIGHT_ADDRESS_BOX:
    {
      /* ok, a terrible hack. The left margin depends on the widest row
       * in this paragraph. Do not care about footnotes, they are *NOT*
       * allowed in the LaTeX realisation of this layout. */ 
      
      /* find the first row of this paragraph */ 
      Row *tmprow = row;
      while (tmprow->previous && tmprow->previous->par == row->par)
        tmprow = tmprow->previous;
      
      int minfill = tmprow->fill;
      while (tmprow-> next && tmprow->next->par == row->par) {
         tmprow = tmprow->next;
         if (tmprow->fill < minfill)
           minfill = tmprow->fill;
      }
      
      x += lyxstyle.TextClass(parameters->textclass)->defaultfont.signedStringWidth(layout->leftmargin);
      x += minfill;
    }
      break;
   }
   if (row->par->pextra_type == PEXTRA_INDENT) {
       if (!row->par->pextra_widthp.empty()) {
           x += paperwidth * atoi(row->par->pextra_widthp.c_str()) / 100;
       } else if (!row->par->pextra_width.empty()) {
           int xx = VSpace(row->par->pextra_width).inPixels();

           if (xx > paperwidth)
               xx = paperwidth * 80 / 100;
           x += xx;
       } else { // should not happen
           LyXFont font(LyXFont::ALL_SANE);
           x += font.stringWidth("XXXXXX");
       }
   }
   
   int align;
   if (row->par->FirstPhysicalPar()->align == LYX_ALIGN_LAYOUT)
     align = layout->align;
   else
     align = row->par->FirstPhysicalPar()->align;
   
   /* set the correct parindent */
   if (row->pos == 0) {
       if ((layout->labeltype == LABEL_NO_LABEL 
            || layout->labeltype == LABEL_TOP_ENVIRONMENT 
            || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
            || (layout->labeltype == LABEL_STATIC
                && layout->latextype == LATEX_ENVIRONMENT
                && ! row->par->IsFirstInSequence()))
           && row->par == row->par->FirstPhysicalPar()
           && align == LYX_ALIGN_BLOCK
           && !row->par->noindent
           && (row->par->layout ||
               parameters->paragraph_separation == LYX_PARSEP_INDENT))
         x += lyxstyle.TextClass(parameters->textclass)->defaultfont.stringWidth(parindent);
       else 
         if (layout->labeltype==LABEL_BIBLIO) { // ale970405 Right width for bibitems
             x += bibitemMaxWidth(lyxstyle.TextClass(parameters->textclass)->defaultfont);
         }
   }

   return x;
}
    
   
int LyXText::RightMargin(Row *row)
{
   int  x;
   LyXLayout* layout;
   
   LyXParagraph *newpar;
   Row dummyrow;
   layout = lyxstyle.Style(parameters->textclass, row->par->GetLayout());

   x = LYX_PAPER_MARGIN;

   x += lyxstyle.TextClass(parameters->textclass)->
     defaultfont.signedStringWidth(lyxstyle.TextClass(parameters->textclass)->rightmargin);
   if (row->par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE)  {
     x += LYX_PAPER_MARGIN/2;
   }

    /* this is the way, LyX handles the LaTeX-Environments.
    * I have had this idea very late, so it seems to be a
    * later added hack and this is true */ 
   if (row->par->GetDepth()) {
      /* find the next level paragraph */ 
      
      newpar = row->par;
      
      do {
                newpar = newpar->FirstPhysicalPar()->Previous();
                if (newpar) 
                        newpar = newpar->FirstPhysicalPar();
      } while (newpar && newpar->GetDepth() >= row->par->GetDepth()
               && newpar->footnoteflag == row->par->footnoteflag);
      
      /* make a corresponding row. Needed to call LeftMargin() */

      /* check wether it is a sufficent paragraph */ 
      if (newpar && newpar->footnoteflag == row->par->footnoteflag
          && lyxstyle.Style(parameters->textclass,
                            newpar->GetLayout())->isEnvironment()) {
             dummyrow.par = newpar;
             dummyrow.pos = 0;
             x = RightMargin(&dummyrow);
          }
      else {
         /* this is no longer an error, because this function is used
          * to clear impossible depths after changing a layout. Since there
          * is always a redo, LeftMargin() is always called */ 
         
         /* printf("LYX_ERROR (text, LeftMargin()) impossible depth \n");*/ 
         row->par->FirstPhysicalPar()->depth = 0;
      }
   }

   //lyxerr << "rightmargin: " << layout->rightmargin << endl;
   x += (lyxstyle.TextClass(parameters->textclass)->defaultfont.signedStringWidth(layout->rightmargin) * 4
         / (row->par->GetDepth() + 4));
   return x;
   
}


int LyXText::LabelEnd (Row *row)
{
   if (lyxstyle.Style(parameters->textclass, row->par->GetLayout())->margintype == MARGIN_MANUAL) {
      Row tmprow;
      tmprow = *row;
      tmprow.pos = row->par->Last();
      return LeftMargin(&tmprow);      /* just the beginning 
                                        * of the main body */
   }
   else
     return 0;                         /* LabelEnd is only needed, if the  
                                        * layout fills a flushleft
                                        * label. */
}


/* table stuff -- begin*/ 
int LyXText::NumberOfCell(LyXParagraph *par, int pos)
{
   int cell = 0;
   int tmp_pos = 0;
   while (tmp_pos < pos) {
      if (par->IsNewline(tmp_pos))
         cell++;
      tmp_pos++;
   }
   return cell;
}


int LyXText::WidthOfCell(LyXParagraph *par, int &pos)
{
   int w = 0;
   while (pos < par->Last() && !par->IsNewline(pos)) {
      w += SingleWidth(par, pos);
      pos++;
   }
   if (par->IsNewline(pos))
      pos++;
   return w;
}


char LyXText::HitInTable(Row* row, int x)
{
  float tmpx;
  float fill_separator, fill_hfill, fill_label_hfill;
  if (!row->par->table)
    return 0;
  PrepareToPrint(row, tmpx, fill_separator, fill_hfill, fill_label_hfill);
  return (x > tmpx && x < tmpx + row->par->table->WidthOfTable());
}


bool LyXText::MouseHitInTable(int x, long y)
{
        Row *row = GetRowNearY(y);
        return HitInTable(row, x);
}


/* table stuff -- end*/


/* get the next breakpoint in a given paragraph */
int LyXText::NextBreakPoint(Row* row, int width)
{
        int x = 0;
        int last_separator = -1; /* position of the last possible breakpoint 
                                  * -1 isn't a suitable value, but a flag */
        int i = 0;
        int left_margin;
        
        LyXParagraph *par = row->par;
        int pos = row->pos;
        
        /* table stuff -- begin*/ 
        if (par->table) {
                while (pos<par->last 
                       && (!par->IsNewline(pos) 
                           || !par->table->IsFirstCell(NumberOfCell(par, pos+1)))) {
                        if (par->GetChar(pos) == LYX_META_INSET &&
                            par->GetInset(pos) && par->GetInset(pos)->Display()){
                                par->GetInset(pos)->SetDisplay(false);
                        }
                        pos++;
                }
                return pos;
        }
        /* table stuff -- end*/ 
        
        left_margin = LabelEnd(row);
        width -= RightMargin(row);
        int main_body = BeginningOfMainBody(par);
        LyXLayout* layout = lyxstyle.Style(parameters->textclass, par->GetLayout());
        i = pos;
        char c;
        
        if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
                /* special code for right address boxes, only newlines count */
                while (i < par->Last()) {
                        if (par->IsNewline(i)) {
                                last_separator = i;
                                i = par->Last() - 1;/* this means break  */
                                x = width;
                        } else if (par->GetChar(i) == LYX_META_INSET &&
                                   par->GetInset(i) && par->GetInset(i)->Display()){
                                par->GetInset(i)->SetDisplay(false);
                        }
                        i++;
                }
        } else {
                // Last position is an invariant
                int const last = par->Last();
                /* this is the usual handling */ 
                x = LeftMargin(row);
                while (x < width && i < last) {
                        c = par->GetChar(i);
                        if (IsNewlineChar(c)) {
                                last_separator = i;
                                x = width;                     /* this means break  */
                        } else if (c == LYX_META_INSET &&
                                   par->GetInset(i) && par->GetInset(i)->Display()){
                                /* check wether a Display() inset is valid here .
                                   if not, change it to non-display*/ 
                                if (layout->isCommand()
                                    || (layout->labeltype == LABEL_MANUAL
                                        && i < BeginningOfMainBody(par))){
                                        /* display istn't allowd */ 
                                        par->GetInset(i)->SetDisplay(false);
                                        x += SingleWidth(par, i, c);
                                } else {
                                        /* inset is display. So break the line here */ 
                                        if (i==pos){
                                                if (pos < last-1) {
                                                        last_separator = i;
                                                        if (IsLineSeparatorChar(par->GetChar(i+1)))
                                                                last_separator++;
                                                } else
                                                        last_separator = last; // to avoid extra rows
                                        } else
                                                last_separator = i - 1;
                                        x = width;                     /* this means break  */
                                }
                        } else  {
                                if (IsLineSeparatorChar(c))
                                        last_separator = i;
                                x += SingleWidth(par, i, c);
                        }
                        i++;
                        if (i == main_body) {
                                x += GetFont(par, -2).stringWidth(layout->labelsep);
                                if (par->IsLineSeparator(i - 1))
                                        x-= SingleWidth(par, i - 1);
                                if (x < left_margin)
                                        x = left_margin;
                        }
                }
                /* end of paragraph is always a suitable separator */
                if (i == last && x < width)
                        last_separator = i;
        }
        
        /* well, if last_separator is still 0, the line isn't breakable. 
         * don't care and cut simply at the end */
        if (last_separator < 0) {
                last_separator = i;
        }
        
        /* manual labels cannot be broken in LaTeX, do not care  */
        if (main_body && last_separator < main_body)
                last_separator = main_body - 1;
        
        return last_separator;
}


/* returns the minimum space a row needs on the screen in pixel */
int LyXText::Fill(Row *row, int paperwidth)
{
   int w,i, last, fill, left_margin;
   /* get the pure distance */
   last = RowLast(row);
   
   /* table stuff -- begin*/
   if (row->par->table) {
      /* for tables FILL does calculate the widthes of each cell in 
       * the row */ 
      int pos = row->pos;
      int cell = NumberOfCell(row->par, pos);
      w = 0;
      do {
         row->par->table->SetWidthOfCell(cell, WidthOfCell(row->par, pos));
         cell++;
      } while (pos <= last && !row->par->table->IsFirstCell(cell));
      /* don't forget the very last table cell without characters */
      if (cell == row->par->table->GetNumberOfCells()-1)
          row->par->table->SetWidthOfCell(cell, WidthOfCell(row->par, pos));
      
      return 0; /* width of table cannot be returned since
                 * we cannot guarantee its correct value at
                 * this point. */ 
   }
   /* table stuff -- end*/ 

   left_margin = LabelEnd(row);

     /* if the row ends with newline, this newline will not be relevant */ 
     if (last >= 0 && row->par->IsNewline(last))
       last--;
     
     /* if the row ends with a space, this space will not be relevant */ 
     if (last >= 0 && row->par->IsLineSeparator(last))
       last--;

   /* special handling of the right address boxes */ 
   if (lyxstyle.Style(parameters->textclass, row->par->GetLayout())->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
      int tmpfill = row->fill;
      row->fill = 0;                   /* the minfill in MarginLeft()  */
      w = LeftMargin(row);
      row->fill = tmpfill;
      
      /* the old way, impossible when using environments: */ 
      /*  w = LyXStringWidth(lyxstyle.Style(parameters->textclass, row->par->GetLayout())->font, */ 
      /*                         lyxstyle.Style(parameters->textclass, row->par->GetLayout())->leftmargin); */
   }
   else
     w = LeftMargin(row);
   
   int main_body = BeginningOfMainBody(row->par);
   LyXLayout *layout = lyxstyle.Style(parameters->textclass,
                                      row->par->GetLayout());
   i = row->pos;
   while (i<= last) {
      w += SingleWidth(row->par, i);
      i++;
      if (i == main_body) {
         w += GetFont(row->par, -2).stringWidth(layout->labelsep);
         if (row->par->IsLineSeparator(i - 1))
           w-= SingleWidth(row->par, i - 1);
         if (w < left_margin)
           w = left_margin;
      }
   }
   
   fill = paperwidth - w - RightMargin(row);
   return fill;
}


/* returns the minimum space a manual label needs on the screen in pixel */ 
int LyXText::LabelFill(Row *row)
{
   int w,i, last;
   int fill=0;
   
   last = BeginningOfMainBody(row->par) - 1;
   /* -1 because a label ends either with a space that is in the label, 
    * or with the beginning of a footnote that is outside the label. */ 

   // I don't understand this code in depth, but sometimes "last" is less than
   // 0 and this causes a crash. This fix seems to work correctly, but I
   // bet the real error is elsewhere.  The bug is triggered when you have an 
   // open footnote in a paragraph environment with a manual label. (Asger)
   if (last<0) last = 0;

   if (row->par->IsLineSeparator(last))    /* a sepearator at this end 
                                        * does not count */
     last--;
   
   w = 0;
   i = row->pos;
   while (i<= last) {
      w += SingleWidth(row->par, i);
      i++;
   }
   
   if (!row->par->labelwidthstring.empty()) {
      fill = GetFont(row->par, -2).stringWidth(row->par->labelwidthstring) - w;
   }
   
   if (fill < 0)
     fill = 0;
   
   return fill;
}


/* returns the number of separators in the specified row. The separator 
* on the very last column doesnt count */ 
int LyXText::NumberOfSeparators(Row *row)
{
   int n,p,last;
   
   last = RowLast(row);
   n = 0;
   p = row->pos;
   int main_body = BeginningOfMainBody(row->par);
   if (p < main_body)
     p = main_body;
   for (; p < last; p++) {
      if (row->par->IsSeparator(p)) {
         n++;
      }
   }
   return n;
}


/* returns the number of hfills in the specified row. The LyX-Hfill is
* a LaTeX \hfill so that the hfills at the beginning and at the end were 
* ignored. This is *MUCH* more usefull than not to ignore!  */
int LyXText::NumberOfHfills(Row *row)
{
   int n,p,last, first;
   
   last = RowLast(row);
   first = row->pos;
   if (first) {                        /* hfill *DO* count at the beginning 
                                        * of paragraphs! */
     while(first <= last && row->par->IsHfill(first))
       first++;
   }

   n = 0;
   int main_body = BeginningOfMainBody(row->par);
   if (first < main_body)
     first = main_body;
   for (p = first; p <= last; p++) {    /* last, because the end is ignored!  */
      if (row->par->IsHfill(p)) {
         n++;
      }
   }
   return n;
}


/* like NumberOfHfills, but only those in the manual label! */ 
int LyXText::NumberOfLabelHfills(Row *row)
{
   int n,p,last, first;
   
   last = RowLast(row);
   first = row->pos;
   if (first) {                        /* hfill *DO* count at the beginning 
                                        * of paragraphs! */
      while(first < last && row->par->IsHfill(first))
        first++;
   }

   n = 0;
   int main_body = BeginningOfMainBody(row->par);
   
   if (last > main_body)
     last = main_body;
   
   for (p = first; p < last; p++) {    /* last, because the end is ignored!  */
      if (row->par->IsHfill(p)) {
         n++;
      }
   }
   return n;
}


/* returns true, if a expansion is needed.
 * Rules are given by LaTeX */ 
bool LyXText::HfillExpansion(Row *row_ptr, int pos)
{
   /* by the way, is it a hfill? */ 
   if (!row_ptr->par->IsHfill(pos))
     return false;
   
   /* at the end of a row it does not count */ 
   if (pos >= RowLast(row_ptr))
     return false;
   
   /* at the beginning of a row it does not count, if it is not 
    * the first row of a paragaph */ 
   if (!row_ptr->pos)
     return true;
   
   /* in some labels  it does not count */ 
   if ( lyxstyle.Style(parameters->textclass, row_ptr->par->GetLayout())->margintype != MARGIN_MANUAL &&
       pos < BeginningOfMainBody(row_ptr->par))
     return false; 
   
   /* if there is anything between the first char of the row and
    * the sepcified position that is not a newline and not a hfill,
    * the hfill will count, otherwise not */ 
   
   int i = row_ptr->pos;
   while (i < pos && (row_ptr->par->IsNewline(i)
                      || row_ptr->par->IsHfill(i)))
     i++;
   
   return (i != pos);
}


void LyXText::SetHeightOfRow(Row *row_ptr)
{
    /* get the maximum ascent and the maximum descent */
   int asc, maxasc, desc, maxdesc, pos_end, pos, labeladdon;
   float layoutasc = 0;
   float layoutdesc = 0;
   float tmptop = 0;
   LyXParagraph *par, *firstpar;
   LyXFont tmpfont;
   Inset *tmpinset;

   /* this must not happen before the currentrow for clear reasons.
      so the trick is just to set the current row onto this row */
   long unused_y;
   GetRow(row_ptr->par, row_ptr->pos, unused_y);

   /* ok , let us initialize the maxasc and maxdesc value. 
    * This depends in LaTeX of the font of the last character
    * in the paragraph. The hack below is necessary because
    * of the possibility of open footnotes */

   /* Correction: only the fontsize count. The other properties
      are taken from the layoutfont. Nicer on the screen :) */
   
   par = row_ptr->par->LastPhysicalPar();
   firstpar = row_ptr->par->FirstPhysicalPar();
   
   LyXLayout *layout = lyxstyle.Style(parameters->textclass, firstpar->GetLayout());
   
   LyXFont font = GetFont(par, par->Last()-1);
   LyXFont::FONT_SIZE size = font.size();
   font = GetFont(par, -1);
   font.setSize(size);

   LyXFont labelfont = GetFont(par, -2);

   maxasc = int(font.maxAscent() *
                   layout->spacing.getValue() *
                   parameters->spacing.getValue());
   maxdesc = int(font.maxDescent() *
                    layout->spacing.getValue() *
                    parameters->spacing.getValue());

   pos_end = RowLast(row_ptr);
   
   labeladdon = 0;

   // Check if any insets are larger
   for (pos = row_ptr->pos; pos <= pos_end; pos++) {
      if (row_ptr->par->GetChar(pos) == LYX_META_INSET) {
         tmpfont = GetFont(row_ptr->par, pos);
         tmpinset = row_ptr->par->GetInset(pos);
         if (tmpinset) {
            asc = tmpinset->Ascent(tmpfont);
            desc = tmpinset->Descent(tmpfont);
            if (asc > maxasc) 
              maxasc = asc;
            if (desc > maxdesc)
              maxdesc = desc;
         }
      }
   }

   // Check if any custom fonts are larger (Asger)
   // This is not completely correct, but we can live with the small,
   // cosmetic error for now.
   LyXFont::FONT_SIZE maxsize = row_ptr->par->HighestFontInRange(row_ptr->pos, pos_end);
   if (maxsize > font.size()) {
        font.setSize(maxsize);

        asc = font.maxAscent();
        desc = font.maxDescent();
        if (asc > maxasc) 
                maxasc = asc;
        if (desc > maxdesc)
                maxdesc = desc;
   }

   /* table stuff -- begin*/
   if (row_ptr->par->table){
     // stretch the rows a bit
      maxasc += 1;
      maxdesc +=1;
   }
   /* table stuff -- end*/

   // This is nicer with box insets:
   maxasc++;
   maxdesc++;

   row_ptr->ascent_of_text = maxasc;
   
   /* is it a top line? */ 
   if (row_ptr->pos == 0
       && row_ptr->par == firstpar) {
      
      /* some parksips VERY EASY IMPLEMENTATION */ 
      if (parameters->paragraph_separation == LYX_PARSEP_SKIP) {
         if (layout->isParagraph()
             && firstpar->GetDepth() == 0
             && firstpar->Previous())
            maxasc += parameters->getDefSkip().inPixels();
         else if (firstpar->Previous()
                  && lyxstyle.Style(parameters->textclass,
                           firstpar->Previous()->GetLayout())->isParagraph()
                  && firstpar->Previous()->GetDepth() == 0)
           // is it right to use defskip here too? (AS)
           maxasc += parameters->getDefSkip().inPixels();
      }
      
      /* the paper margins */ 
      if (!row_ptr->par->previous)
         maxasc += LYX_PAPER_MARGIN;
      
      /* add the vertical spaces, that the user added */
      if (firstpar->added_space_top.kind() != VSpace::NONE)
         maxasc += int(firstpar->added_space_top.inPixels());
      
      /* do not forget the DTP-lines! 
       * there height depends on the font of the nearest character */
      if (firstpar->line_top)
         maxasc += 2 * GetFont(firstpar, 0).ascent('x');
      
      /* and now the pagebreaks */ 
      if (firstpar->pagebreak_top)
         maxasc += 3 * DefaultHeight();
      
      /*  this is special code for the chapter, since the label of this
       * layout is printed in an extra row */ 
      if (layout->labeltype == LABEL_COUNTER_CHAPTER
          && parameters->secnumdepth>=0) {
              labeladdon = int(labelfont.maxDescent() *
                                  layout->spacing.getValue() *
                                  parameters->spacing.getValue())
                      + int(labelfont.maxAscent() *
                               layout->spacing.getValue() *
                               parameters->spacing.getValue());
      }
      
      /* special code for the top label */ 
      if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
           || layout->labeltype == LABEL_BIBLIO
           || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
          && row_ptr->par->IsFirstInSequence()
          && !row_ptr->par->GetLabestring().empty()) {
         labeladdon = int(
                 (labelfont.maxAscent() *
                  layout->spacing.getValue() *
                  parameters->spacing.getValue())
                 +(labelfont.maxDescent() *
                   layout->spacing.getValue() *
                   parameters->spacing.getValue())
                 + layout->topsep * DefaultHeight()
                 + layout->labelbottomsep *  DefaultHeight());
      }
   
      /* and now the layout spaces, for example before and after a section, 
       * or between the items of a itemize or enumerate environment */ 
      
      if (!firstpar->pagebreak_top) {
         LyXParagraph *prev = row_ptr->par->Previous();
         if (prev)
            prev = row_ptr->par->DepthHook(row_ptr->par->GetDepth());
         if (prev && prev->GetLayout() == firstpar->GetLayout()
             && prev->GetDepth() == firstpar->GetDepth()
             && prev->GetLabelWidthString() == firstpar->GetLabelWidthString())
           {
              layoutasc = (layout->itemsep * DefaultHeight());
           }
         else if (row_ptr->previous) {
            tmptop = layout->topsep;
            
            if (row_ptr->previous->par->GetDepth() >= row_ptr->par->GetDepth())
               tmptop-=lyxstyle.Style(parameters->textclass, row_ptr->previous->par->GetLayout())->bottomsep;
            
            if (tmptop > 0)
               layoutasc = (tmptop * DefaultHeight());
         }
         else if (row_ptr->par->line_top){
            tmptop = layout->topsep;
            
            if (tmptop > 0)
               layoutasc = (tmptop * DefaultHeight());
         }
         
         prev = row_ptr->par->DepthHook(row_ptr->par->GetDepth()-1);
         if (prev)  {
            maxasc += int(lyxstyle.Style(parameters->textclass,
                                         prev->GetLayout())->parsep * DefaultHeight());
         }
         else {
                if (firstpar->Previous()
                    && firstpar->Previous()->GetDepth() == 0
                    && firstpar->Previous()->GetLayout() != firstpar->GetLayout()) {
                   /* avoid parsep */ 
                }
            else if (firstpar->Previous()){
               maxasc += int(layout->parsep * DefaultHeight());
            }
         }
      }
   }
   
   /* is it a bottom line? */ 
   if (row_ptr->par->ParFromPos(RowLast(row_ptr) + 1) == par
       && (!row_ptr->next || row_ptr->next->par != row_ptr->par)) {     
          
          /* the paper margins */ 
          if (!par->next)
            maxdesc += LYX_PAPER_MARGIN;
        
          /* add the vertical spaces, that the user added */
          if (firstpar->added_space_bottom.kind() != VSpace::NONE)
            maxdesc += int(firstpar->added_space_bottom.inPixels());
          
          /* do not forget the DTP-lines! 
           * there height depends on the font of the nearest character */
          if (firstpar->line_bottom)
            maxdesc += 2 * (GetFont(par, par->Last()-1).ascent('x'));
          
          /* and now the pagebreaks */
          if (firstpar->pagebreak_bottom)
            maxdesc += 3 * DefaultHeight();
          
          /* and now the layout spaces, for example before and after a section, 
           * or between the items of a itemize or enumerate environment */
          if (!firstpar->pagebreak_bottom && row_ptr->par->Next()) {
             LyXParagraph *nextpar = row_ptr->par->Next();
             LyXParagraph *comparepar = row_ptr->par;
             float usual = 0;
             float  unusual = 0;
             
             if (comparepar->GetDepth() > nextpar->GetDepth()) {
                usual = (lyxstyle.Style(parameters->textclass, comparepar->GetLayout())->bottomsep * DefaultHeight());
                comparepar = comparepar->DepthHook(nextpar->GetDepth());
                if (comparepar->GetLayout()!=nextpar->GetLayout()
                    || nextpar->GetLabelWidthString() != 
                        comparepar->GetLabelWidthString())
                  unusual = (lyxstyle.Style(parameters->textclass, comparepar->GetLayout())->bottomsep * DefaultHeight());
                
                if (unusual > usual)
                  layoutdesc = unusual;
                else
                  layoutdesc = usual;
             }
             else if (comparepar->GetDepth() ==  nextpar->GetDepth()) {
                
                if (comparepar->GetLayout()!= nextpar->GetLayout()
                    || nextpar->GetLabelWidthString() !=
                        comparepar->GetLabelWidthString())
                  layoutdesc = int(lyxstyle.Style(parameters->textclass, comparepar->GetLayout())->bottomsep * DefaultHeight());
             }
          }
       }
   
   /* incalculate the layout spaces */ 
   maxasc += int(layoutasc * 2 / (2 + firstpar->GetDepth()));
   maxdesc += int(layoutdesc * 2 / (2 + firstpar->GetDepth()));

   /* table stuff -- begin*/
   if (row_ptr->par->table){
      maxasc += row_ptr->par->table->
        AdditionalHeight(NumberOfCell(row_ptr->par, row_ptr->pos));
   }
   /* table stuff -- end*/
   
   /* calculate the new height of the text */ 
   height -= row_ptr->height;
   
   row_ptr->height=maxasc+maxdesc+labeladdon;
   row_ptr->baseline=maxasc+labeladdon;
   
   height += row_ptr->height;
}


/* Appends the implicit specified paragraph behind the specified row,
 * start at the implicit given position */
void LyXText::AppendParagraph(Row *row)
{
   int z;
   Row *tmprow;
   bool not_ready = true;
   
   // Get the width of the row
   z = row->pos;

   // The last character position of a paragraph is an invariant so we can 
   // safely get it here. (Asger)
   int lastposition = row->par->Last();

   do {
      // Get the next breakpoint
      z = NextBreakPoint(row, paperwidth);
      
      tmprow = row;

      // Insert the new row
      if (z < lastposition) {
         z++;
         InsertRow(row, row->par, z);
         row = row->next;

         row->height = 0;
      } else
         not_ready = false;
      
      // Set the dimensions of the row
      tmprow->fill = Fill(tmprow, paperwidth);
      SetHeightOfRow(tmprow);

   } while (not_ready);
}


void LyXText::BreakAgain(Row *row)
{
   int z;
   char not_ready;
   z = row->pos;
   Row *tmprow, *tmprow2;
   
   not_ready = 1;
   
   do  {
      /* get the next breakpoint */
      z = NextBreakPoint(row, paperwidth);
      
      tmprow = row;
      
      if (z < row->par->Last() ) {
         if (!row->next || (row->next && row->next->par != row->par)) {
            /* insert a new row */ 
            z++;
            InsertRow(row, row->par, z);
            row = row->next;
            row->height = 0;
         }
         else  {
            row=row->next;
            z++;
            if (row->pos == z)
              not_ready = 0;           /* the rest will not change  */
            else {
               row->pos = z;
            }
         }
      }
      else {
         /* if there are some rows too much, delete them */
         /* only if you broke the whole paragraph! */ 
         tmprow2 = row;
         while (tmprow2->next && tmprow2->next->par == row->par) {
            tmprow2 = tmprow2->next;
         }
         while (tmprow2 != row) {
            tmprow2 = tmprow2->previous;
            RemoveRow(tmprow2->next);
         }
         not_ready = 0;
      }
       
      /* set the dimensions of the row */ 
      tmprow->fill = Fill(tmprow, paperwidth);
      SetHeightOfRow(tmprow);
   } while (not_ready);
}


/* this is just a little changed version of break again */ 
void LyXText::BreakAgainOneRow(Row *row)
{
   int z;
   char not_ready;
   z = row->pos;
   Row *tmprow, *tmprow2;
   
   not_ready = 1;
   
   /* get the next breakpoint */
   z = NextBreakPoint(row, paperwidth);
   
   tmprow = row;
   
   if (z < row->par->Last() ) {
      if (!row->next || (row->next && row->next->par != row->par)) {
         /* insert a new row */ 
         z++;
         InsertRow(row, row->par, z);
         row = row->next;
         row->height = 0;
      }
      else  {
         row=row->next;
         z++;
         if (row->pos == z)
           not_ready = 0;              /* the rest will not change  */
         else {
            row->pos = z;
         }
      }
   }
   else {
      /* if there are some rows too much, delete them */
      /* only if you broke the whole paragraph! */ 
      tmprow2 = row;
      while (tmprow2->next && tmprow2->next->par == row->par) {
         tmprow2 = tmprow2->next;
      }
      while (tmprow2 != row) {
         tmprow2 = tmprow2->previous;
         RemoveRow(tmprow2->next);
      }
      not_ready = 0;
   }
   
   /* set the dimensions of the row */ 
   tmprow->fill = Fill(tmprow, paperwidth);
   SetHeightOfRow(tmprow);
}


void LyXText::BreakParagraph(char keep_layout)
{
   LyXLayout *layout = lyxstyle.Style(parameters->textclass,
                                      cursor.par->GetLayout());
   
   /* table stuff -- begin*/
   if (cursor.par->table) {
       // breaking of tables is only allowed at the beginning or the end */
       if (cursor.pos && cursor.pos < cursor.par->last &&
           !cursor.par->table->ShouldBeVeryLastCell(NumberOfCell(cursor.par, cursor.pos)))
           return; /* no breaking of tables allowed */ 
   }
   /* table stuff -- end*/

   /* this is only allowed, if the current paragraph is not empty or caption*/ 
   if ((cursor.par->Last() <= 0 && !cursor.par->IsDummy())
       && 
       layout->labeltype!=LABEL_SENSITIVE)
     return;

   SetUndo(Undo::INSERT, 
           cursor.par->ParFromPos(cursor.pos)->previous, 
           cursor.par->ParFromPos(cursor.pos)->next); 

   /* table stuff -- begin*/
   if (cursor.par->table) {
       int cell = NumberOfCell(cursor.par, cursor.pos);
       if (cursor.par->table->ShouldBeVeryLastCell(cell))
           SetCursor(cursor.par,cursor.par->last);
   }
   /* table stuff -- end*/
   /* please break alway behind a space */ 
   if (cursor.pos < cursor.par->Last()
       && cursor.par->IsLineSeparator(cursor.pos))
     cursor.pos++;
   
   /* break the paragraph */
   if (keep_layout)
     keep_layout = 2;
   else 
     keep_layout = layout->isEnvironment();
   cursor.par->BreakParagraph(cursor.pos, keep_layout);

   /* table stuff -- begin*/
   if (cursor.par->table){
     // the table should stay with the contents
     if (!cursor.pos){
       cursor.par->Next()->table = cursor.par->table;
       cursor.par->table = 0;
     }
   }
   /* table stuff -- end*/

   /* well this is the caption hack since one caption is really enough */
   if (layout->labeltype == LABEL_SENSITIVE){
     if (!cursor.pos)
       cursor.par->SetLayout(0); /* set the new paragraph to standard-layout */
     else
       cursor.par->Next()->SetLayout(0); /* set the new paragraph to standard-layout */
         
   }
   
   /* if the cursor is at the beginning of a row without prior newline, 
    *  move one row up! 
    * This touches only the screen-update. Otherwise we would may have
    * an empty row on the screen */
   if (cursor.pos && !cursor.row->par->IsNewline(cursor.row->pos -1) &&
       cursor.row->pos == cursor.pos) {
     CursorLeft();
   } 
   
   status = LyXText::NEED_MORE_REFRESH;
   refresh_row = cursor.row;
   refresh_y = cursor.y - cursor.row->baseline;
   
   /* Do not forget the special right address boxes */
   if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
      while (refresh_row->previous &&
             refresh_row->previous->par == refresh_row->par) {
                refresh_row = refresh_row->previous;
                refresh_y -= refresh_row->height;
             }
   }
   RemoveParagraph(cursor.row);
   
   /* set the dimensions of the cursor row */
   cursor.row->fill = Fill(cursor.row, paperwidth);

   SetHeightOfRow(cursor.row);
   
   while (!cursor.par->Next()->table && cursor.par->Next()->Last()
          && cursor.par->Next()->IsNewline(0))
     cursor.par->Next()->Erase(0);
   
   InsertParagraph(cursor.par->Next(), cursor.row);

   UpdateCounters(cursor.row->previous);
   
   /* this check is necessary. Otherwise the new empty paragraph will
    * be deleted automatically. And it is more friendly for the user! */ 
   if (cursor.pos)
     SetCursor(cursor.par->Next(), 0);
   else
     SetCursor(cursor.par, 0);
   
   if (cursor.row->next)
     BreakAgain(cursor.row->next);

   need_break_row = 0;
}


void LyXText::OpenFootnote()
{
   LyXParagraph *par, *endpar,*tmppar;
   Row *row;
   
   par = cursor.par->ParFromPos(cursor.pos);
   
   /* if there is no footnote in this paragraph, just return. */ 
   if (!par->next
       || par->next->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
     return;
   
   /* ok, move the cursor right before the footnote */ 
   
   /* just a little faster than using CursorRight() */
   for (cursor.pos=0; cursor.par->ParFromPos(cursor.pos)!=par; cursor.pos++);
   /* now the cursor is at the beginning of the physical par */
   SetCursor(cursor.par, cursor.pos + cursor.par->ParFromPos(cursor.pos)->last);
   
   /* the cursor must be exactly before the footnote */ 
   par = cursor.par->ParFromPos(cursor.pos);
   
   status = LyXText::NEED_MORE_REFRESH;
   refresh_row = cursor.row;
   refresh_y = cursor.y - cursor.row->baseline;
   
   tmppar = cursor.par;
   endpar = cursor.par->Next();
   row = cursor.row;
   
   tmppar->OpenFootnote(cursor.pos);
   RemoveParagraph(row);
   /* set the dimensions of the cursor row */
   row->fill = Fill(row, paperwidth);
   SetHeightOfRow(row);
   tmppar = tmppar->Next();
   
   while (tmppar != endpar) {
      if (tmppar) {
         InsertParagraph(tmppar, row);
         while (row->next && row->next->par == tmppar)
           row = row->next;
         tmppar = tmppar->Next();
      }
   }
   SetCursor(par->next, 0);
   sel_cursor = cursor;
}
   

/* table stuff -- begin*/

void LyXText::TableFeatures(int feature, string val)
{
    int
        actCell;
    
    if (!cursor.par->table)
        return; /* this should never happen */
  
    actCell = NumberOfCell(cursor.par, cursor.pos);
    SetUndo(Undo::FINISH, 
            cursor.par->ParFromPos(cursor.pos)->previous, 
            cursor.par->ParFromPos(cursor.pos)->next); 

    switch (feature){
      case LyXTable::SET_PWIDTH:
          cursor.par->table->SetPWidth(actCell,val);
          break;
      case LyXTable::SET_SPECIAL_COLUMN:
      case LyXTable::SET_SPECIAL_MULTI:
          cursor.par->table->SetAlignSpecial(actCell,val,feature);
          break;
      default:
          break;
    }
    RedoParagraph();
}


void LyXText::TableFeatures(int feature)
{
    int
        setLines = 0,
        setAlign = LYX_ALIGN_LEFT,
        lineSet,
        actCell;
    bool
        what;
    
    if (!cursor.par->table)
        return; /* this should never happen */
  
    actCell = NumberOfCell(cursor.par, cursor.pos);
    SetUndo(Undo::FINISH, 
            cursor.par->ParFromPos(cursor.pos)->previous, 
            cursor.par->ParFromPos(cursor.pos)->next); 

    switch (feature){
      case LyXTable::ALIGN_LEFT:
          setAlign=LYX_ALIGN_LEFT;
          break;
      case LyXTable::ALIGN_RIGHT:
          setAlign=LYX_ALIGN_RIGHT;
          break;
      case LyXTable::ALIGN_CENTER:
          setAlign=LYX_ALIGN_CENTER;
          break;
      default:
          break;
    }
    switch (feature){
      case LyXTable::APPEND_ROW: {
          int pos = cursor.pos;
          /* move to the next row */
          int cell_org = actCell;
          int cell = cell_org;

          // if there is a ContRow following this row I have to add
          // the row after the ContRow's
          if ((pos < cursor.par->Last()) &&
              cursor.par->table->RowHasContRow(cell_org)) {
              while((pos < cursor.par->Last()) &&
                    !cursor.par->table->IsContRow(cell)) {
                  while (pos < cursor.par->Last() &&
                         !cursor.par->IsNewline(pos))
                      pos++;
                  if (pos < cursor.par->Last())
                      pos++;
                  cell++;
              }
              while((pos < cursor.par->Last()) &&
                    cursor.par->table->IsContRow(cell)) {
                  while (pos < cursor.par->Last() &&
                         !cursor.par->IsNewline(pos))
                      pos++;
                  if (pos < cursor.par->Last())
                      pos++;
                  cell++;
              }
              cell_org = --cell;
              if (pos < cursor.par->Last())
                  pos--;
          }
          while (pos < cursor.par->Last() && 
                 (cell == cell_org || !cursor.par->table->IsFirstCell(cell))){
              while (pos < cursor.par->Last() && !cursor.par->IsNewline(pos))
                  pos++;
              if (pos < cursor.par->Last())
                  pos++;
              cell++;
          }
                
          /* insert the new cells */ 
          int number = cursor.par->table->NumberOfCellsInRow(cell_org);
          int i;
          for (i=0; i<number; i++)
              cursor.par->InsertChar(pos, LYX_META_NEWLINE);
                
          /* append the row into the table */
          cursor.par->table->AppendRow(cell_org);
          RedoParagraph();
          return;
      }
      case LyXTable::APPEND_CONT_ROW: {
          int pos = cursor.pos;
          /* move to the next row */
          int cell_org = actCell;
          int cell = cell_org;

          // if there is already a controw but not for this cell
          // the AppendContRow sets only the right values but does
          // not actually add a row
          if (cursor.par->table->RowHasContRow(cell_org) &&
              (cursor.par->table->CellHasContRow(cell_org)<0)) {
              cursor.par->table->AppendContRow(cell_org);
              RedoParagraph();
              return;
          }
          while (pos < cursor.par->Last() && 
                 (cell == cell_org
                  || !cursor.par->table->IsFirstCell(cell))){
              while (pos < cursor.par->Last() && !cursor.par->IsNewline(pos))
                  pos++;
              if (pos < cursor.par->Last())
                  pos++;
              cell++;
          }
                
          /* insert the new cells */ 
          int number = cursor.par->table->NumberOfCellsInRow(cell_org);
          int i;
          for (i=0; i<number; i++)
              cursor.par->InsertChar(pos, LYX_META_NEWLINE);
                
          /* append the row into the table */
          cursor.par->table->AppendContRow(cell_org);
          RedoParagraph();
          return;
      }
      case LyXTable::APPEND_COLUMN: { 
          int pos = 0;
          int cell_org = actCell;
          int cell = 0;
          do{
              if (pos && (cursor.par->IsNewline(pos-1))){
                  if (cursor.par->table->AppendCellAfterCell(cell_org, cell)){
                      cursor.par->InsertChar(pos, LYX_META_NEWLINE);
                      if (pos<=cursor.pos)
                          cursor.pos++;
                      pos++;
                  }
                  cell++;
              }
              pos++;
          } while (pos<= cursor.par->Last());
          /* remember that the very last cell doesn't end with a newline.
             This saves one byte memory per table ;-) */ 
          if (cursor.par->table->AppendCellAfterCell(cell_org, cell))
              cursor.par->InsertChar(cursor.par->Last(), LYX_META_NEWLINE);
                
          /* append the column into the table */ 
          cursor.par->table->AppendColumn(cell_org);
                
          RedoParagraph();
          return;
      }
      case LyXTable::DELETE_ROW:
          if (current_view->currentBuffer()->the_locking_inset)
              UnlockInset(current_view->currentBuffer()->the_locking_inset);
          RemoveTableRow(&cursor);
          RedoParagraph();
          return;
        
      case LyXTable::DELETE_COLUMN: {
          int pos = 0;
          int cell_org = actCell;
          int cell = 0;
          if (current_view->currentBuffer()->the_locking_inset)
              UnlockInset(current_view->currentBuffer()->the_locking_inset);
          do {
              if (!pos || (cursor.par->IsNewline(pos-1))){
                  if (cursor.par->table->DeleteCellIfColumnIsDeleted(cell, cell_org)){
                      // delete one cell
                      while (pos < cursor.par->Last() && !cursor.par->IsNewline(pos))
                          cursor.par->Erase(pos);
                      if (pos < cursor.par->Last())
                          cursor.par->Erase(pos);
                      else 
                          cursor.par->Erase(pos - 1); // the missing newline at the end of a table
                      pos--; // because of pos++ below
                  }   
                  cell++;
              }
              pos++;
          } while (pos<= cursor.par->Last());
                
          /* delete the column from the table */ 
          cursor.par->table->DeleteColumn(cell_org);
                
          /* set the cursor to the beginning of the table, where else? */ 
          cursor.pos = 0;
          RedoParagraph();
          return;
      }
      case LyXTable::TOGGLE_LINE_TOP:
          lineSet = !cursor.par->table->TopLine(actCell);
          if (!selection){
              cursor.par->table->SetTopLine(actCell,lineSet);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetTopLine(n,lineSet);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;
    
      case LyXTable::TOGGLE_LINE_BOTTOM:
          lineSet = !cursor.par->table->BottomLine(actCell);
          if (!selection){
              cursor.par->table->SetBottomLine(actCell,lineSet);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetBottomLine(n,lineSet);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;
                
      case LyXTable::TOGGLE_LINE_LEFT:
          lineSet = !cursor.par->table->LeftLine(actCell);
          if (!selection){
              cursor.par->table->SetLeftLine(actCell,lineSet);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetLeftLine(n,lineSet);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;

      case LyXTable::TOGGLE_LINE_RIGHT:
          lineSet = !cursor.par->table->RightLine(actCell);
          if (!selection){
              cursor.par->table->SetRightLine(actCell,lineSet);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetRightLine(n,lineSet);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;
    
      case LyXTable::ALIGN_LEFT:
      case LyXTable::ALIGN_RIGHT:
      case LyXTable::ALIGN_CENTER:
          if (!selection){
              cursor.par->table->SetAlignment(actCell,setAlign);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetAlignment(n,setAlign);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;
                
      case LyXTable::DELETE_TABLE:
          SetCursorIntern(cursor.par, 0);
          delete cursor.par->table;
          cursor.par->table = 0;
          // temporary: Should put table in simple_cut_buffer (with before and after
          // dummy-paragraph !! 
          // not necessar anymore with UNDO :)
          int i;
          for (i = cursor.par->last-1; i>=0; i--)
              cursor.par->Erase(i);
          RedoParagraph();
          return;
                
      case LyXTable::MULTICOLUMN: {
          int number = 0;
          // check wether we are completly in a multicol
          int multicol = cursor.par->table->IsMultiColumn(actCell);
          if (multicol && selection && sel_start_cursor.row == sel_end_cursor.row){
              multicol = NumberOfCell(sel_start_cursor.par, sel_start_cursor.pos)
                  == NumberOfCell(sel_end_cursor.par, sel_end_cursor.pos);
          }

          if (multicol){
              int newlines = cursor.par->table->UnsetMultiColumn(actCell);
              int pos = cursor.pos;
              while (pos<cursor.par->Last() && !cursor.par->IsNewline(pos))
                  pos++;
              for (;newlines;newlines--)
                  cursor.par->InsertChar(pos, LYX_META_NEWLINE);
              RedoParagraph();
              return;
          }
          else {
              // selection must be in one row (or no selection)
              if (!selection){
                  cursor.par->table->SetMultiColumn(NumberOfCell(cursor.par,
                                                                 cursor.pos),
                                                    1);
                  RedoParagraph();
                  return;
              }
              else {
                  if (sel_start_cursor.row == sel_end_cursor.row){
                      int i;
                      number = 1;
                      for (i=sel_start_cursor.pos; i<sel_end_cursor.pos; i++){
                          if (sel_start_cursor.par->IsNewline(i)){
                              sel_start_cursor.par->Erase(i);
                              // check for double-blanks
                              if ((i && !sel_start_cursor.par->IsLineSeparator(i-1))
                                  &&
                                  (i<sel_start_cursor.par->Last() 
                                   && !sel_start_cursor.par->IsLineSeparator(i)))
                                  sel_start_cursor.par->InsertChar(i, ' ');
                              else {
                                  sel_end_cursor.pos--;
                                  i--;
                              }
                              number++;
                          }
                      }
                      cursor.par->table->
                          SetMultiColumn(NumberOfCell(sel_start_cursor.par,
                                                      sel_start_cursor.pos),
                                         number);
                      cursor.pos = sel_start_cursor.pos;
                      RedoParagraph();
                      return;
                  }
                  else {
                      WriteAlert(_("Impossible Operation!"), 
                                 _("Multicolumns can only be horizontally."), 
                                 _("Sorry."));
                  }
              }
          }
          break;
      }
      case LyXTable::SET_ALL_LINES:
          setLines = 1;
      case LyXTable::UNSET_ALL_LINES:
          if (!selection){
              cursor.par->table->SetAllLines(NumberOfCell(cursor.par,
                                                          cursor.pos),
                                             setLines);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetAllLines(n,setLines);
                      m = n;
                  }
              }
          }
          RedoParagraph();
          return;
      case LyXTable::SET_LONGTABLE:
          cursor.par->table->SetLongTable(true);
          return;
      case LyXTable::UNSET_LONGTABLE:
          cursor.par->table->SetLongTable(false);
          return;
      case LyXTable::SET_ROTATE_TABLE:
          cursor.par->table->SetRotateTable(true);
          return;
      case LyXTable::UNSET_ROTATE_TABLE:
          cursor.par->table->SetRotateTable(false);
          return;
      case LyXTable::SET_ROTATE_CELL:
          if (!selection){
              cursor.par->table->SetRotateCell(actCell,true);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetRotateCell(n,true);
                      m = n;
                  }
              }
          }
          return;
      case LyXTable::UNSET_ROTATE_CELL:
          if (!selection){
              cursor.par->table->SetRotateCell(actCell,false);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetRotateCell(n,false);
                      m = n;
                  }
              }
          }
          return;
      case LyXTable::SET_LINEBREAKS:
          what = !cursor.par->table->Linebreaks(cursor.par->table->FirstVirtualCell(actCell));
          if (!selection){
              cursor.par->table->SetLinebreaks(actCell,what);
          } else {
              int i,n=-1,m=-2;
              for (i=sel_start_cursor.pos; i<=sel_end_cursor.pos; i++){
                  if ((n=NumberOfCell(sel_start_cursor.par,i)) != m) {
                      cursor.par->table->SetLinebreaks(n,what);
                      m = n;
                  }
              }
          }
          return;
      case LyXTable::SET_LTFIRSTHEAD:
          cursor.par->table->SetLTHead(actCell,true);
          return;
      case LyXTable::SET_LTHEAD:
          cursor.par->table->SetLTHead(actCell,false);
          return;
      case LyXTable::SET_LTFOOT:
          cursor.par->table->SetLTFoot(actCell,false);
          return;
      case LyXTable::SET_LTLASTFOOT:
          cursor.par->table->SetLTFoot(actCell,true);
          return;
      case LyXTable::SET_LTNEWPAGE:
          what = !cursor.par->table->LTNewPage(actCell);
          cursor.par->table->SetLTNewPage(actCell,what);
          return;
    }
}
        

void LyXText::InsertCharInTable(char c)
{
        Row *row;
        Row *tmprow;
        long y;
        bool jumped_over_space;
        
        /* first check, if there will be two blanks together or a blank at 
         * the beginning of a paragraph. 
         * I decided to handle blanks like normal characters, the main 
         * difference are the special checks when calculating the row.fill
         * (blank does not count at the end of a row) and the check here */ 
        
        LyXFont realtmpfont = real_current_font;
        LyXFont rawtmpfont = current_font; /* store the current font.
                                            * This is because of the use
                                            * of cursor movements. The moving
                                            * cursor would refresh the 
                                            * current font */

        // Get the font that is used to calculate the baselineskip
        int const lastpos = cursor.par->Last();
        LyXFont rawparfont = cursor.par->GetFontSettings(lastpos - 1);

        jumped_over_space = false;
        if (IsLineSeparatorChar(c)) {
                
                /* avoid double blanks but insert the new blank because
                 * of a possible font change */
                if (cursor.pos < lastpos &&
                    cursor.par->IsLineSeparator(cursor.pos))
                {
                        cursor.par->Erase(cursor.pos);
                        jumped_over_space = true;
                }
                else if ((cursor.pos > 0 && 
                          cursor.par->IsLineSeparator(cursor.pos - 1))
                         || (cursor.pos > 0 && cursor.par->IsNewline(cursor.pos - 1))
                          || (cursor.pos == 0 &&
                              !(cursor.par->Previous()
                              && cursor.par->Previous()->footnoteflag
                              == LyXParagraph::OPEN_FOOTNOTE)))
                        return;
        }
        else if (IsNewlineChar(c)) {
            if (!IsEmptyTableCell()) {
                TableFeatures(LyXTable::APPEND_CONT_ROW);
                CursorDown();
            }
          /* the newline character is the separator of the cells */
          // cursor.par->InsertChar(cursor.pos, c);
          // SetCharFont(cursor.par, cursor.pos, rawtmpfont);
          // RedoParagraphs(cursor, cursor.par->Next());
          // SetCursor(cursor.par, cursor.pos+1);
          return;
        }
   
        row = cursor.row;
        y = cursor.y - row->baseline;
        if (c != LYX_META_INSET)        /* in this case LyXText::InsertInset 
                                         * already inserted the character */
                cursor.par->InsertChar(cursor.pos, c);
        SetCharFont(cursor.par, cursor.pos, rawtmpfont);

        if (!jumped_over_space) {
                /* refresh the positions */
                tmprow = row;
                while (tmprow->next && tmprow->next->par == row->par) {
                        tmprow = tmprow->next;
                        tmprow->pos++;
                }
        }

        cursor.pos++;

        CheckParagraphInTable(cursor.par, cursor.pos);
        
        current_font = rawtmpfont;
        real_current_font = realtmpfont;
        
        /* check, whether the last character's font has changed. */
        if (cursor.pos && cursor.pos == cursor.par->Last()
            && rawparfont != rawtmpfont)
                RedoHeightOfParagraph(cursor);
}


void LyXText::CheckParagraphInTable(LyXParagraph* par, int pos)
{
        Row *row;
        long y;
        
        if (par->GetChar(pos) == LYX_META_INSET &&
            par->GetInset(pos) && par->GetInset(pos)->Display()){
          par->GetInset(pos)->SetDisplay(false);
        }

        row = GetRow(par, pos, y);
        
        int tmpheight = row->height;
        SetHeightOfRow(row);
        
        int tmp_pos = pos;
        /* update the table information */
        while (tmp_pos && !par->IsNewline(tmp_pos - 1))
                tmp_pos--;
        if (par->table->SetWidthOfCell(NumberOfCell(par, pos),
                                       WidthOfCell(par, tmp_pos))) {
                LyXCursor tmpcursor = cursor;
                SetCursorIntern(par, pos);
                /* make a complete redraw */
                RedoDrawingOfParagraph(cursor);
                cursor = tmpcursor;
        }
        else {
                /* redraw only the row */
                LyXCursor tmpcursor = cursor;
                SetCursorIntern(par, pos);
                refresh_y = y;
                refresh_x = cursor.x;
                refresh_row = row;
                refresh_pos = cursor.pos;
                cursor = tmpcursor;
                
                if (tmpheight == row->height)
                        status = LyXText::NEED_VERY_LITTLE_REFRESH;
                else
                        status = LyXText::NEED_MORE_REFRESH;
        }
        SetCursorIntern(cursor.par, cursor.pos);
}


void LyXText::BackspaceInTable()
{
        Row *tmprow, *row;
        long y;
        
        LyXFont rawtmpfont = current_font;
        LyXFont realtmpfont = real_current_font;

        // Get the font that is used to calculate the baselineskip
        int const lastpos = cursor.par->Last();
        LyXFont rawparfont = cursor.par->GetFontSettings(lastpos - 1);
        
        if (cursor.pos == 0) {
                /* no pasting of table paragraphs */
                
                CursorLeft();
        }
        else {
                /* this is the code for a normal backspace, not pasting
                 * any paragraphs */ 
          SetUndo(Undo::DELETE, 
                  cursor.par->ParFromPos(cursor.pos)->previous, 
                  cursor.par->ParFromPos(cursor.pos)->next); 
          
                CursorLeftIntern();
                
                /* some insets are undeletable here */
                if (cursor.par->GetChar(cursor.pos)==LYX_META_INSET) {
                        if (!cursor.par->GetInset(cursor.pos)->Deletable())
                                return;
                }
                
                row = cursor.row;
                y = cursor.y - row->baseline;
                
                /* some special code when deleting a newline. */
                if (cursor.par->IsNewline(cursor.pos)) {
                        /* nothing :-) */
                        return;
                }
                else {
                        cursor.par->Erase(cursor.pos);
                        
                        /* refresh the positions */
                        tmprow = row;
                        while (tmprow->next && tmprow->next->par == row->par) {
                                tmprow = tmprow->next;
                                tmprow->pos--;
                        }
                        
                        /* delete superfluous blanks */ 
                        if (cursor.pos < cursor.par->Last() - 1 &&
                        (cursor.par->IsLineSeparator(cursor.pos))) {
                                
                                if (cursor.pos == BeginningOfMainBody(cursor.par)
                                || !cursor.pos 
                                || cursor.par->IsLineSeparator(cursor.pos - 1)) {
                                        cursor.par->Erase(cursor.pos);
                                        /* refresh the positions */
                                        tmprow = row;
                                        while (tmprow->next && 
                                               tmprow->next->par == row->par) {
                                                tmprow = tmprow->next;
                                                tmprow->pos--;
                                        }
                                        if (cursor.pos)   /* move one character left */
                                                cursor.pos--;
                                }
                        }
                }
      
                CheckParagraphInTable(cursor.par, cursor.pos);
      
                /* check, wether the last characters font has changed. */ 
                if (cursor.pos && cursor.pos == cursor.par->Last()
                    && rawparfont != rawtmpfont)
                        RedoHeightOfParagraph(cursor);

                /* restore the current font 
                 * That is what a user expects! */
                current_font = rawtmpfont;
                real_current_font = realtmpfont;
        }
        SetCursorIntern(cursor.par, cursor.pos);
}

/* table stuff -- end*/


/* just a macro to make some thing easier. */ 
void LyXText::RedoParagraph()
{
  LyXCursor tmpcursor = cursor;
  ClearSelection();
  RedoParagraphs(cursor, cursor.par->Next());;
  SetCursorIntern(tmpcursor.par, tmpcursor.pos);
}


/* insert a character, moves all the following breaks in the 
 * same Paragraph one to the right and make a rebreak */
void  LyXText::InsertChar(char c)
{
        Row *row;
        Row *tmprow;
        int z;
        long y;
        bool jumped_over_space;
        LyXFont realtmpfont;
        LyXFont rawtmpfont;
        int lastpos;
        LyXFont rawparfont;
   
        SetUndo(Undo::INSERT, 
                cursor.par->ParFromPos(cursor.pos)->previous, 
                cursor.par->ParFromPos(cursor.pos)->next);

        /* When the free-spacing option is set for the current layout,
         * all spaces are converted to protected spaces. */
        bool freeSpacingBo =
                lyxstyle.Style(parameters->textclass,
                               cursor.row->par->GetLayout())->free_spacing;
        //
        // Is this wanted? There cannot be a line break between protected
        // separators. Therefore I suggest the way implemented below
        // (Matthias)
        //
        //   if ( freeSpacingBo && IsLineSeparatorChar(c) )
        //         c = LYX_META_PROTECTED_SEPARATOR;
   
        if (freeSpacingBo && IsLineSeparatorChar(c) 
            && (!cursor.pos || cursor.par->IsLineSeparator(cursor.pos-1))) 
                c = LYX_META_PROTECTED_SEPARATOR;
   
        /* table stuff -- begin*/
        if (cursor.par->table) {
                InsertCharInTable(c);
                goto out;
        }
        /* table stuff -- end*/
   
        /* first check, if there will be two blanks together or a blank at 
         * the beginning of a paragraph. 
         * I decided to handle blanks like normal characters, the main 
         * difference are the special checks when calculating the row.fill
         * (blank does not count at the end of a row) and the check here */ 

        // The bug is triggered when we type in a description environment:
        // The current_font is not changed when we go from label to main text
        // and it should (along with realtmpfont) when we type the space.
#ifdef WITH_WARNINGS
#warning There is a bug here! (Asger)
#endif
        
        realtmpfont = real_current_font;
        rawtmpfont = current_font;  /* store the current font.
                                     * This is because of the use
                                     * of cursor movements. The moving
                                     * cursor would refresh the 
                                     * current font */

        // Get the font that is used to calculate the baselineskip
        lastpos = cursor.par->Last();
        rawparfont = cursor.par->GetFontSettings(lastpos - 1);

        jumped_over_space = false;
   
        if (IsLineSeparatorChar(c)) {
           
                if (cursor.pos < lastpos
                    && cursor.par->IsLineSeparator(cursor.pos)) {
                        /* the user inserted a space before a space. So we
                         * will just make a CursorRight. BUT: The font of this
                         * space should be set to current font. That is why
                         * we need to rebreak perhaps. If there is a protected
                         * blank at the end of a row we have to force
                         * a rebreak.*/ 
           
                        minibuffer->Set(_("You cannot type two spaces this way.  Please read the Tutorial."));
                        if (cursor.pos == RowLast(cursor.row)
                            && !IsLineSeparatorChar(c))
                                cursor.row->fill = -1;    /* force rebreak  */
           
                        cursor.par->Erase(cursor.pos);
                        jumped_over_space = true;
           
                } else if ((cursor.pos > 0 
                            && cursor.par->IsLineSeparator(cursor.pos - 1))
                           || (cursor.pos > 0
                               && cursor.par->IsNewline(cursor.pos - 1))
                           || (cursor.pos == 0
                               && !(cursor.par->Previous()
                                    && cursor.par->Previous()->footnoteflag
                                    == LyXParagraph::OPEN_FOOTNOTE))) {
                        if (cursor.pos == 0 )
                                minibuffer->Set(_("You cannot insert a space at the beginning of a paragraph.  Please read the Tutorial."));
                        else
                                minibuffer->Set(_("You cannot type two spaces this way.  Please read the Tutorial."));
                        goto out;
                }
        } else if (IsNewlineChar(c)) {
                if (cursor.par->FirstPhysicalPar() == cursor.par
                    && cursor.pos <= BeginningOfMainBody(cursor.par))
                        goto out;
                /* no newline at first position 
                 * of a paragraph or behind labels. 
                 * TeX does not allow that. */
                
                if (cursor.pos < cursor.par->Last() &&
                    cursor.par->IsLineSeparator(cursor.pos))
                        CursorRightIntern(); // newline always after a blank!
                cursor.row->fill = -1;         // to force a new break
        }
   
        /* the display inset stuff */ 
        if (cursor.row->par->GetChar(cursor.row->pos) == LYX_META_INSET
            && cursor.row->par->GetInset(cursor.row->pos)
            && cursor.row->par->GetInset(cursor.row->pos)->Display())
                cursor.row->fill = -1; // to force a new break  

        /* get the cursor row fist */
        /* this is a dumb solution, i will try to hold the cursor.row
           in future */ 
        /* row = GetRow(cursor.par, cursor.pos, y);*/
        /* ok, heres a better way: */ 
        row = cursor.row;
        y = cursor.y - row->baseline;
        if (c != LYX_META_INSET)  /* in this case LyXText::InsertInset 
                                   * already insertet the character */
                cursor.par->InsertChar(cursor.pos, c);
        SetCharFont(cursor.par, cursor.pos, rawtmpfont);

        if (!jumped_over_space) {
                /* refresh the positions */
                tmprow = row;
                while (tmprow->next && tmprow->next->par == row->par) {
                        tmprow = tmprow->next;
                        tmprow->pos++;
                }
        }
   
        /* Is there a break one row above */ 
        if ((cursor.par->IsLineSeparator(cursor.pos)
             || cursor.par->IsNewline(cursor.pos)
             || cursor.row->fill == -1)
            && row->previous && row->previous->par == row->par) {
                z = NextBreakPoint(row->previous, paperwidth);
                if ( z >= row->pos) {
                        row->pos = z + 1;
                        
                        /* set the dimensions of the row above  */ 
                        row->previous->fill = Fill(row->previous, paperwidth);

                        SetHeightOfRow(row->previous);
             
                        y -= row->previous->height;
                        refresh_y = y;
                        refresh_row = row->previous;
                        status = LyXText::NEED_MORE_REFRESH;
             
                        BreakAgainOneRow(row);
                        SetCursor(cursor.par, cursor.pos + 1);
                        /* cursor MUST be in row now */
             
                        if (row->next && row->next->par == row->par)
                                need_break_row = row->next;
                        else
                                need_break_row = 0;

                        current_font = rawtmpfont;
                        real_current_font = realtmpfont;
             
                        // check, wether the last characters font has changed. 
                        if (cursor.pos && cursor.pos == cursor.par->Last()
                            && rawparfont != rawtmpfont)
                                RedoHeightOfParagraph(cursor);
                        
                        goto out;
                }
        }
   
        /* recalculate the fill of the row */ 
        if (row->fill >= 0)  /* needed because a newline
                              * will set fill to -1. Otherwise
                              * we would not get a rebreak! */
                row->fill = Fill(row, paperwidth);
        if (row->fill < 0 ) {
                refresh_y = y;
                refresh_row = row; 
                refresh_x = cursor.x;
                refresh_pos = cursor.pos;
                status = LyXText::NEED_MORE_REFRESH;
                BreakAgainOneRow(row); 
                /* will the cursor be in another row now? */ 
                if (RowLast(row) <= cursor.pos + 1 && row->next) {
                        if (row->next && row->next->par == row->par)
                                /* this should
                                 * always be true */
                                row = row->next;
                        BreakAgainOneRow(row);
                }
                SetCursor(cursor.par, cursor.pos + 1);
                if (row->next && row->next->par == row->par)
                        need_break_row = row->next;
                else
                        need_break_row = 0;
                
                current_font = rawtmpfont;
                real_current_font = realtmpfont;
        } else {
                refresh_y = y;
                refresh_x = cursor.x;
                refresh_row = row;
                refresh_pos = cursor.pos;
                
                int tmpheight = row->height;
                SetHeightOfRow(row);
                if (tmpheight == row->height)
                        status = LyXText::NEED_VERY_LITTLE_REFRESH;
                else
                        status = LyXText::NEED_MORE_REFRESH;
            
                SetCursor(cursor.par, cursor.pos + 1);
                current_font = rawtmpfont;
                real_current_font = realtmpfont;
        }

        /* check, wether the last characters font has changed. */ 
        if (cursor.pos && cursor.pos == cursor.par->Last()
            && rawparfont != rawtmpfont) {
                RedoHeightOfParagraph(cursor);
        } else {
                /* now the special right address boxes */
                if (lyxstyle.Style(parameters->textclass,
                                   cursor.par->GetLayout())->margintype
                    == MARGIN_RIGHT_ADDRESS_BOX) {
                        RedoDrawingOfParagraph(cursor); 
                }
        }
  out:

        // Here we could call FinishUndo for every 20 characters inserted.
        // This is from my experience how emacs does it.
        static unsigned short counter = 0;
        if (counter < 20) {
                ++counter;
        } else {
                FinishUndo();
                counter = 0;
        }
        return;
}
   
   
void LyXText::PrepareToPrint(Row *row, float &x, float &fill_separator, 
                             float &fill_hfill, float &fill_label_hfill)
{
        float w, nh, nlh, ns;
        
        w = row->fill;
        fill_hfill = 0;
        fill_label_hfill = 0;
        fill_separator = 0;
        fill_label_hfill = 0;
        
        x = LeftMargin(row);
        
        /* is there a manual margin with a manual label */ 
        if (lyxstyle.Style(parameters->textclass,
                           row->par->GetLayout())->margintype == MARGIN_MANUAL
            && lyxstyle.Style(parameters->textclass,
                              row->par->GetLayout())->labeltype == LABEL_MANUAL) {
               
                nlh = NumberOfLabelHfills(row) + 1; /* one more since labels 
                                                    * are left aligned*/ 
                if (nlh && !row->par->GetLabelWidthString().empty()) {
                        fill_label_hfill = LabelFill(row) / nlh;
                }
        }
                
        /* are there any hfills in the row? */ 
        nh = NumberOfHfills(row);
        
/* table stuff -- begin*/
        if (row->par->table) {
           w = paperwidth - row->par->table->WidthOfTable()
           - x - RightMargin(row);
           nh = 0; /* ignore hfills in tables */ 
        }
/* table stuff -- end*/

        if (nh)
          fill_hfill = w /nh;
        else  {
           /* is it block, flushleft or flushright? 
            * set x how you need it */
           int align;
           if (row->par->FirstPhysicalPar()->align == LYX_ALIGN_LAYOUT)
             align = lyxstyle.Style(parameters->textclass, row->par->GetLayout())->align;
           else
             align = row->par->FirstPhysicalPar()->align;
           
           /* center displayed insets */ 
           if (row->par->GetChar(row->pos) == LYX_META_INSET
               && row->par->GetInset(row->pos)
               && row->par->GetInset(row->pos)->Display())
             align = LYX_ALIGN_CENTER;

           switch (align) {
            case LYX_ALIGN_BLOCK:
              ns = NumberOfSeparators(row);
              if (ns && row->next && row->next->par == row->par &&
                  !(row->next->par->IsNewline(row->next->pos-1))
                  && !(row->next->par->GetChar(row->next->pos) == LYX_META_INSET
                       && row->next->par->GetInset(row->next->pos)
                       && row->next->par->GetInset(row->next->pos)->Display())
                  )
                fill_separator = w / ns;
              break;
            case LYX_ALIGN_RIGHT:
              x += w;
              break;
            case LYX_ALIGN_CENTER:
              x += w / 2;
              break;
           }
        }
     }

      
/* important for the screen */


/* the cursor set functions have a special mechanism. When they
* realize, that you left an empty paragraph, they will delete it.
* They also delete the corresponding row */

void LyXText::CursorRightOneWord()
{
        // treat floats, HFills and Insets as words
        LyXCursor tmpcursor = cursor;

        if (tmpcursor.pos == tmpcursor.par->Last()
            && tmpcursor.par->Next())
        {
                        tmpcursor.par = tmpcursor.par->Next();
                        tmpcursor.pos = 0;
        } else {
                int steps = 0;

                // Skip through initial nonword stuff.
                while ( tmpcursor.pos < tmpcursor.par->Last() &&
                        ! tmpcursor.par->IsWord( tmpcursor.pos ) ) 
                {
                  //    printf("Current pos1 %d",tmpcursor.pos) ;
                        tmpcursor.pos++;
                        steps++;
                }
                // Advance through word.
                while ( tmpcursor.pos < tmpcursor.par->Last() &&
                        tmpcursor.par->IsWord( tmpcursor.pos ) )
                {
                  //     printf("Current pos2 %d",tmpcursor.pos) ;
                        tmpcursor.pos++;
                        steps++;
                }
        }
        SetCursor(tmpcursor.par, tmpcursor.pos);
}


void LyXText::CursorTab()
{
    if (cursor.par->table) {
        int cell = NumberOfCell(cursor.par, cursor.pos);
        while(cursor.par->table->IsContRow(cell)) {
            CursorUp();
            cell = NumberOfCell(cursor.par, cursor.pos);
        }
        if (cursor.par->table->ShouldBeVeryLastCell(cell))
            TableFeatures(LyXTable::APPEND_ROW);
    }
    LyXCursor tmpcursor = cursor;
    while (tmpcursor.pos < tmpcursor.par->Last()
           && !tmpcursor.par->IsNewline(tmpcursor.pos))
        tmpcursor.pos++;
   
    if (tmpcursor.pos == tmpcursor.par->Last()){
        if (tmpcursor.par->Next()) {
            tmpcursor.par = tmpcursor.par->Next();
            tmpcursor.pos = 0;
        }
    }
    else
        tmpcursor.pos++;
    SetCursor(tmpcursor.par, tmpcursor.pos);
    if (cursor.par->table) {
        int cell = NumberOfCell(cursor.par, cursor.pos);
        while (cursor.par->table->IsContRow(cell) &&
               !cursor.par->table->ShouldBeVeryLastCell(cell)) {
            tmpcursor = cursor;
            while (tmpcursor.pos < tmpcursor.par->Last()
                   && !tmpcursor.par->IsNewline(tmpcursor.pos))
                tmpcursor.pos++;
   
            if (tmpcursor.pos == tmpcursor.par->Last()){
                if (tmpcursor.par->Next()) {
                    tmpcursor.par = tmpcursor.par->Next();
                    tmpcursor.pos = 0;
                }
            }
            else
                tmpcursor.pos++;
            SetCursor(tmpcursor.par, tmpcursor.pos);
            cell = NumberOfCell(cursor.par, cursor.pos);
        }
    }
}


/* -------> Skip initial whitespace at end of word and move cursor to *start*
            of prior word, not to end of next prior word. */

void LyXText::CursorLeftOneWord() 
{
        // treat HFills, floats and Insets as words
        LyXCursor tmpcursor = cursor;
        while (tmpcursor.pos 
               && (tmpcursor.par->IsSeparator(tmpcursor.pos - 1) 
                   || tmpcursor.par->IsKomma(tmpcursor.pos - 1))
               && !(tmpcursor.par->IsHfill(tmpcursor.pos - 1)
                    || tmpcursor.par->IsFloat(tmpcursor.pos - 1)
                    || tmpcursor.par->IsInset(tmpcursor.pos - 1)))
                tmpcursor.pos--;

        if (tmpcursor.pos
            && (tmpcursor.par->IsInset(tmpcursor.pos - 1)
                || tmpcursor.par->IsFloat(tmpcursor.pos - 1)
                || tmpcursor.par->IsHfill(tmpcursor.pos - 1))) {
                tmpcursor.pos--;
        } else if (!tmpcursor.pos) {
                if (tmpcursor.par->Previous()){
                        tmpcursor.par = tmpcursor.par->Previous();
                        tmpcursor.pos = tmpcursor.par->Last();
                }
        } else {                // Here, tmpcursor != 0 
                while (tmpcursor.pos > 0 &&
                       tmpcursor.par->IsWord(tmpcursor.pos-1) )
                        tmpcursor.pos-- ;
        }
        SetCursor(tmpcursor.par, tmpcursor.pos);
}

/* -------> Select current word. This depends on behaviour of CursorLeftOneWord(), so it is
                        patched as well. */

void LyXText::SelectWord() 
{
        /* Move cursor to the beginning, when not already there. */
        if ( cursor.pos
             && !cursor.par->IsSeparator(cursor.pos-1)
             && !cursor.par->IsKomma(cursor.pos-1) )
                CursorLeftOneWord();

        /* set the sel cursor */
        sel_cursor = cursor;

        while ( cursor.pos < cursor.par->Last()
                        && !cursor.par->IsSeparator(cursor.pos)
                        && !cursor.par->IsKomma(cursor.pos) )
                cursor.pos++;
        SetCursor( cursor.par, cursor.pos );
        
        /* finally set the selection */ 
        SetSelection();
}


/* -------> Select the word currently under the cursor when:
                        1: no selection is currently set,
                        2: the cursor is not at the borders of the word. */

int LyXText::SelectWordWhenUnderCursor() 
{
        if ( selection ) return 0;
        if ( cursor.pos < cursor.par->Last()
                 && !cursor.par->IsSeparator(cursor.pos)
                 && !cursor.par->IsKomma(cursor.pos)
                 && cursor.pos 
                 && !cursor.par->IsSeparator(cursor.pos -1)
                 && !cursor.par->IsKomma(cursor.pos -1) ) {
                SelectWord();
                return 1;
        }
        return 0;
}


// This function is only used by the spellchecker for NextWord().
// It doesn't handle LYX_ACCENTs and probably never will.
char* LyXText::SelectNextWord(float &value)
{
        LyXParagraph* tmppar = cursor.par;
        
        // If this is not the very first word, skip rest of
        // current word because we are probably in the middle
        // of a word if there is text here.
        if (cursor.pos || cursor.par->previous) {
                while (cursor.pos < cursor.par->Last()
                       && cursor.par->IsLetter(cursor.pos))
                        cursor.pos++;
        }
        // Now, skip until we have real text (will jump paragraphs)
        while ((cursor.par->Last() > cursor.pos
                && (!cursor.par->IsLetter(cursor.pos)
                    || cursor.par->getFont(cursor.pos).latex() == LyXFont::ON))
               || (cursor.par->Last() == cursor.pos
                   && cursor.par->Next())){
                if (cursor.pos == cursor.par->Last()) {
                        cursor.par = cursor.par->Next();
                        cursor.pos = 0;
                }
                else
                        cursor.pos++;
        }
  
        // Update the value if we changed paragraphs
        if (cursor.par != tmppar){
                SetCursor(cursor.par, cursor.pos);
                value = float(cursor.y)/float(height);
        }

        /* Start the selection from here */
        sel_cursor = cursor;

        string latex;
   
        /* and find the end of the word 
           (optional hyphens are part of a word) */
        while (cursor.pos < cursor.par->Last()
               && (cursor.par->IsLetter(cursor.pos)) 
                   || (cursor.par->GetChar(cursor.pos) == LYX_META_INSET &&
                       cursor.par->GetInset(cursor.pos) != 0 &&
                       cursor.par->GetInset(cursor.pos)->Latex(latex,0)==0 &&
                       latex == "\\-"))
                cursor.pos++;

        // Finally, we copy the word to a string and return it
        char* string = 0;

        if (sel_cursor.pos < cursor.pos) {
                string = new char [cursor.pos - sel_cursor.pos + 2];
                int i,j;
                
                for (i=sel_cursor.pos, j=0; i<cursor.pos; i++) {
                        if (cursor.par->GetChar(i) != LYX_META_INSET)
                                string[j++] = cursor.par->GetChar(i);
                }
                string[j] = '\0';
        }
        return string;
}


// This one is also only for the spellchecker
void LyXText::SelectSelectedWord()
{
        /* move cursor to the beginning */
        SetCursor(sel_cursor.par, sel_cursor.pos);
        
        /* set the sel cursor */
        sel_cursor = cursor;

        string latex;
        
        /* now find the end of the word */
        while (cursor.pos < cursor.par->Last()
               && (cursor.par->IsLetter(cursor.pos)
                   || (cursor.par->GetChar(cursor.pos) == LYX_META_INSET &&
                       cursor.par->GetInset(cursor.pos) != 0 &&
                       cursor.par->GetInset(cursor.pos)->Latex(latex,0)==0 &&
                       latex == "\\-")))
                cursor.pos++;
        
        SetCursor(cursor.par, cursor.pos);
        
        /* finally set the selection */ 
        SetSelection();
}


/* -------> Delete from cursor up to the end of the current or next word. */
void LyXText::DeleteWordForward()
{
        LyXCursor tmpcursor = cursor;
        
        if (!cursor.par->Last())
                CursorRight();
        else {
                /* -------> Skip initial non-word stuff. */
                while ( cursor.pos < cursor.par->Last() 
                        && (cursor.par->IsSeparator(cursor.pos)
                            || cursor.par->IsKomma(cursor.pos)) )
                        cursor.pos++;
                
                SetCursorIntern(cursor.par, cursor.pos);
                selection = True; // to avoid deletion 
                CursorRightOneWord();
                sel_cursor = cursor;
                cursor = tmpcursor;
                SetSelection(); 
                
                /* -----> Great, CutSelection() gets rid of multiple spaces. */
                CutSelection();
        }
}


/* -------> Delete from cursor to start of current or prior word. */
void LyXText::DeleteWordBackward()
{
       LyXCursor tmpcursor = cursor;
       if (!cursor.par->Last())
         CursorLeft();
       else{
         selection = True; // to avoid deletion 
         CursorLeftOneWord();
         sel_cursor = cursor;
         cursor = tmpcursor;
         SetSelection();
         CutSelection();
       }
}


/* -------> Kill to end of line. */
void LyXText::DeleteLineForward()
{
        LyXCursor tmpcursor = cursor;
        if (!cursor.par->Last())
                CursorRight();
        else {
                CursorEnd();
                sel_cursor = cursor;
                cursor = tmpcursor;
                SetSelection();
                if (selection == false) {
                        DeleteWordForward();
                } else {
                        CutSelection();
                }
        }
}

// Change the case of a word at cursor position. The meaning of action
// is:
// 0  change to lowercase
// 1  capitalize word
// 2  change to uppercase
// This function directly manipulates LyXParagraph::text because there
// is no LyXParagraph::SetChar currently. I did what I could to ensure
// that it is correct. I guess part of it should be moved to
// LyXParagraph, but it will have to change for 1.1 anyway. At least
// it does not access outside of the allocated array as the older
// version did. (JMarc) 
void LyXText::ChangeWordCase(int action) 
{
        LyXParagraph *tmppar = cursor.par->ParFromPos(cursor.pos);
        int tmppos = cursor.par->PositionInParFromPos(cursor.pos);

        SetUndo(Undo::FINISH, tmppar->previous, tmppar->next); 

        while (tmppos < tmppar->last) {
                unsigned char c = tmppar->text[tmppos];
                if (IsKommaChar(c) || IsLineSeparatorChar(c))
                        break;
                if (c != LYX_META_INSET) {
                        switch (action) {
                        case 0:
                                c = tolower(c);
                                break;
                        case 1:
                                c = toupper(c);
                                action = 0;
                                break;
                        case 2:
                                c = toupper(c);
                                break;
                        }
                }
                
                tmppar->text[tmppos] = c;
                tmppos++;
        }
        CheckParagraph(tmppar, tmppos);
        CursorRightOneWord();
}


void  LyXText::Delete()
{
   LyXCursor old_cursor = cursor;
   LyXCursor tmpcursor;
   /* this is a very easy implementation*/ 
   
   /* just move to the right */ 
   CursorRightIntern();
   
   if (cursor.par->previous == old_cursor.par->previous
       && cursor.par != old_cursor.par)
     return; // delete-emty-paragraph-mechanism has done it
   
   /* if you had success make a backspace */ 
   if (old_cursor.par != cursor.par || old_cursor.pos != cursor.pos) {
     tmpcursor = cursor;
     cursor = old_cursor; // to make sure undo gets the right cursor position
     SetUndo(Undo::DELETE, 
             cursor.par->ParFromPos(cursor.pos)->previous, 
             cursor.par->ParFromPos(cursor.pos)->next); 
     cursor = tmpcursor;
     Backspace();
   }
}


void  LyXText::Backspace()
{
        LyXParagraph *tmppar;
        Row *tmprow, *row;
        long y;
        int tmpheight;

        /* table stuff -- begin*/
   
        if (cursor.par->table) {
                BackspaceInTable();
                return;
        }
        /* table stuff -- end*/
        
        LyXFont rawtmpfont = current_font;
        LyXFont realtmpfont = real_current_font;
   
        // Get the font that is used to calculate the baselineskip
        int const lastpos = cursor.par->Last();
        LyXFont rawparfont = cursor.par->GetFontSettings(lastpos - 1);

        if (cursor.pos == 0) {
                /* we may paste some paragraphs */
      
                /* is it an empty paragraph? */
      
                if ((lastpos == 0
                     || (lastpos == 1 && cursor.par->IsSeparator(0)))
                    && !(cursor.par->Next() 
                         && cursor.par->footnoteflag ==
                         LyXParagraph::NO_FOOTNOTE
                         && cursor.par->Next()->footnoteflag ==
                         LyXParagraph::OPEN_FOOTNOTE)) {
                        
                        if (cursor.par->previous) {
                                tmppar = cursor.par->previous->FirstPhysicalPar();
                                if (cursor.par->GetLayout() == tmppar->GetLayout()
                                    && cursor.par->footnoteflag == tmppar->footnoteflag
                                    && cursor.par->GetAlign() == tmppar->GetAlign()) {
                                        
                                        tmppar->line_bottom = cursor.par->line_bottom;
                                        tmppar->added_space_bottom = cursor.par->added_space_bottom;
                                        tmppar->pagebreak_bottom = cursor.par->pagebreak_bottom;
                                }
                                
                                CursorLeftIntern();
                     
                                /* the layout things can change the height of a row ! */ 
                                tmpheight = cursor.row->height;
                                SetHeightOfRow(cursor.row);
                                if (cursor.row->height != tmpheight) {
                                        refresh_y = cursor.y - cursor.row->baseline;
                                        refresh_row = cursor.row;
                                        status = LyXText::NEED_MORE_REFRESH;
                                }
                                return;
                        }
                }
                if (cursor.par->ParFromPos(cursor.pos)->previous){
                        SetUndo(Undo::DELETE, 
                                cursor.par->ParFromPos(cursor.pos)->previous->previous, 
                                cursor.par->ParFromPos(cursor.pos)->next); 
                }
                tmppar = cursor.par;
                tmprow = cursor.row;
                CursorLeftIntern();
                /* Pasting is not allowed, if the paragraphs have different layout.
                 * I think it is a real bug of all other word processors to allow
                 * it. It confuses the user. Even so with a footnote paragraph and
                 * a non-footnote paragraph. I will not allow pasting in this case, 
                 * because the user would be confused if the footnote behaves 
                 * different wether it is open or closed.
                 * 
                 * Correction: Pasting is always allowed with standard-layout */
                if (cursor.par != tmppar
                    && (cursor.par->GetLayout() == tmppar->GetLayout()
                        || !tmppar->GetLayout())
                    && cursor.par->footnoteflag == tmppar->footnoteflag
                    /* table stuff -- begin*/
                    && !cursor.par->table /* no pasting of tables */ 
                    /* table stuff -- end*/
                    && cursor.par->GetAlign() == tmppar->GetAlign()) {
                        
                        cursor.par->PasteParagraph();
                        
                        if (!(cursor.pos &&
                              cursor.par->IsSeparator(cursor.pos - 1)))
                                cursor.par->InsertChar(cursor.pos, ' ');
                        else
                                if (cursor.pos)
                                        cursor.pos--;
                        
                        status = LyXText::NEED_MORE_REFRESH;
                        refresh_row = cursor.row;
                        refresh_y = cursor.y - cursor.row->baseline;
                        
                        /* remove the lost paragraph */
                        RemoveParagraph(tmprow);
                        RemoveRow(tmprow);  
                        
                        /* break the paragraph again */ 
                        /* BreakAgain(cursor.row); */ 
                        
                        AppendParagraph(cursor.row);
                        UpdateCounters(cursor.row);
                        
                        /* the row may have changed, block, hfills etc. */ 
                        SetCursor(cursor.par, cursor.pos);
                }
        } else  {
                /* this is the code for a normal backspace, not pasting
                 * any paragraphs */ 
                SetUndo(Undo::DELETE, 
                        cursor.par->ParFromPos(cursor.pos)->previous, 
                        cursor.par->ParFromPos(cursor.pos)->next); 
                CursorLeftIntern();
                
                /* some insets are undeletable here */
                if (cursor.par->GetChar(cursor.pos)==LYX_META_INSET) {
                        if (!cursor.par->GetInset(cursor.pos)->Deletable())
                                return; 
                        /* force complete redo when erasing display insets */ 
                        /* this is a cruel mathod but save..... Matthias */ 
                        if (cursor.par->GetInset(cursor.pos)->Display()){
                                cursor.par->Erase(cursor.pos);
                                RedoParagraph();
                                return;
                        }
                }
                
                row = cursor.row;
                y = cursor.y - row->baseline;
                int z;
                
                /* remember that a space at the end of a row doesnt count
                 * when calculating the fill */ 
                if (cursor.pos < RowLast(row) ||
                    !cursor.par->IsLineSeparator(cursor.pos)) {
                        row->fill += SingleWidth(cursor.par, cursor.pos);
                }
                
                /* some special code when deleting a newline. This is similar
                 * to the behavior when pasting paragraphs */ 
                if (cursor.pos && cursor.par->IsNewline(cursor.pos)) {
                        cursor.par->Erase(cursor.pos);
                        /* refresh the positions */
                        tmprow = row;
                        while (tmprow->next && tmprow->next->par == row->par) {
                                tmprow = tmprow->next;
                                tmprow->pos--;
                        }
                        if (cursor.par->IsLineSeparator(cursor.pos - 1))
                                cursor.pos--;
                        
                        if (cursor.pos < cursor.par->Last() && !cursor.par->IsSeparator(cursor.pos)) {
                                cursor.par->InsertChar(cursor.pos, ' ');
                                /* refresh the positions */
                                tmprow = row;
                                while (tmprow->next && tmprow->next->par == row->par) {
                                        tmprow = tmprow->next;
                                        tmprow->pos++;
                                }
                        }
                } else {
                        cursor.par->Erase(cursor.pos);
                        
                        /* refresh the positions */
                        tmprow = row;
                        while (tmprow->next && tmprow->next->par == row->par) {
                                tmprow = tmprow->next;
                                tmprow->pos--;
                        }
                        
                        /* delete superfluous blanks */ 
                        if (cursor.pos < cursor.par->Last() - 1 &&
                            (cursor.par->IsLineSeparator(cursor.pos))) {
                                
                                if (cursor.pos == BeginningOfMainBody(cursor.par)
                                    || !cursor.pos 
                                    || cursor.par->IsLineSeparator(cursor.pos - 1)) {
                                        cursor.par->Erase(cursor.pos);
                                        /* refresh the positions */
                                        tmprow = row;
                                        while (tmprow->next && 
                                               tmprow->next->par == row->par) {
                                                tmprow = tmprow->next;
                                                tmprow->pos--;
                                        }
                                        if (cursor.pos)   /* move one character left */
                                                cursor.pos--;
                                }
                        }
                        
                        /* delete newlines at the beginning of paragraphs */ 
                        while (cursor.par->Last() &&
                               cursor.par->IsNewline(cursor.pos) &&
                               cursor.pos == BeginningOfMainBody(cursor.par)
                                ) {
                                cursor.par->Erase(cursor.pos);
                                /* refresh the positions */
                                tmprow = row;
                                while (tmprow->next && 
                                       tmprow->next->par == row->par) {
                                        tmprow = tmprow->next;
                                        tmprow->pos--;
                                }
                        }
                }
                
                /* is there a break one row above */ 
                if (row->previous && row->previous->par == row->par) {
                        z = NextBreakPoint(row->previous, paperwidth);
                        if ( z >= row->pos) {
                                row->pos = z + 1;
                                
                                tmprow = row->previous;
                                
                                /* maybe the current row is now empty */ 
                                if (row->pos >= row->par->Last()) {
                                        /* remove it */ 
                                        RemoveRow(row);
                                        need_break_row = 0;
                                }
                                else  {
                                        BreakAgainOneRow(row);
                                        if (row->next && row->next->par == row->par)
                                                need_break_row = row->next;
                                        else
                                                need_break_row = 0;
                                }
                                
                                /* set the dimensions of the row above  */ 
                                y -= tmprow->height;
                                tmprow->fill = Fill(tmprow, paperwidth);
                                SetHeightOfRow(tmprow);
                                
                                refresh_y = y;
                                refresh_row = tmprow;
                                status = LyXText::NEED_MORE_REFRESH;
                                SetCursor(cursor.par, cursor.pos);
                                current_font = rawtmpfont;
                                real_current_font = realtmpfont;
                                /* check, whether the last character's font has changed. */
                                rawtmpfont = cursor.par->GetFontSettings(cursor.par->Last() - 1);
                                if (rawparfont != rawtmpfont)
                                        RedoHeightOfParagraph(cursor);
                                return;
                        }
                }
                
                /* break the cursor row again */ 
                z = NextBreakPoint(row, paperwidth);
                
                if ( z != RowLast(row) || 
                     (row->next && row->next->par == row->par &&
                      RowLast(row) == row->par->Last() - 1)){
                        
                        /* it can happen that a paragraph loses one row
                         * without a real breakup. This is when a word
                         * is to long to be broken. Well, I don t care this 
                         * hack ;-) */ 
                        if (row->next && row->next->par == row->par &&
                            RowLast(row) == row->par->Last() - 1)
                                RemoveRow(row->next);
                        
                        refresh_y = y;
                        refresh_row = row;
                        status = LyXText::NEED_MORE_REFRESH;
                        
                        BreakAgainOneRow(row);
                        
                        SetCursor(cursor.par, cursor.pos);
                        /* cursor MUST be in row now */
                        
                        if (row->next && row->next->par == row->par)
                                need_break_row = row->next;
                        else
                                need_break_row = 0;
                } else  {
                        /* set the dimensions of the row */ 
                        row->fill = Fill(row, paperwidth);
                        int tmpheight = row->height;
                        SetHeightOfRow(row);
                        if (tmpheight == row->height)
                                status = LyXText::NEED_VERY_LITTLE_REFRESH;
                        else
                                status = LyXText::NEED_MORE_REFRESH;
                        refresh_y = y;
                        refresh_row = row;
                        SetCursor(cursor.par, cursor.pos);
                }
        }
   
        /* restore the current font 
         * That is what a user expects! */
        current_font = rawtmpfont; 
        real_current_font = realtmpfont;
        
        /* check, wether the last characters font has changed. */
        rawtmpfont = cursor.par->GetFontSettings(cursor.par->Last() - 1);
        if (rawparfont != rawtmpfont) {
                RedoHeightOfParagraph(cursor);
        } else {
                /* now the special right address boxes */
                if (lyxstyle.Style(parameters->textclass,
                                   cursor.par->GetLayout())->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
                        RedoDrawingOfParagraph(cursor); 
                }
        }
}


void LyXText::GetVisibleRow(LyXScreen &scr, int offset, 
                            Row *row_ptr, long y)
{
        /* returns a printed row */
        
        int pos, pos_end;
        float x, tmpx;
        int y_top, y_bottom;
        float fill_separator, fill_hfill, fill_label_hfill;
        LyXParagraph *par, *firstpar;
        int left_margin;
        LyXFont font;
        int maxdesc;
        if (row_ptr->height <= 0) {
                lyxerr << "LYX_ERROR: row.height: " << row_ptr->height << endl;
                return;
        }
        left_margin = LabelEnd(row_ptr);
        PrepareToPrint(row_ptr, x, fill_separator,
                       fill_hfill, fill_label_hfill);
        
        int main_body = BeginningOfMainBody(row_ptr->par);
        
        /* initialize the pixmap */
        
        scr.fillRectangle(gc_clear,
                          0, offset, paperwidth, row_ptr->height);
        // check for NOT FAST SELECTION
        if (!fast_selection && !mono_video && selection) {
                /* selection code */ 
                if (sel_start_cursor.row == row_ptr &&
                    sel_end_cursor.row == row_ptr) {
                        scr.fillRectangle(gc_selection, sel_start_cursor.x,
                                          offset,
                                          sel_end_cursor.x -
                                          sel_start_cursor.x,
                                          row_ptr->height);
                }
                else if (sel_start_cursor.row == row_ptr) {
                        scr.fillRectangle(gc_selection, sel_start_cursor.x,
                                          offset,
                                          paperwidth - sel_start_cursor.x,
                                          row_ptr->height);
                } else if (sel_end_cursor.row == row_ptr) {
                        scr.fillRectangle(gc_selection,0, offset,
                                          sel_end_cursor.x, row_ptr->height);
                } else if (y > sel_start_cursor.y && y < sel_end_cursor.y) {
                        scr.fillRectangle(gc_selection, 0, offset,
                                          paperwidth, row_ptr->height);
                        
                }
        } // end of NOT FAST SELECTION code
        
        if (row_ptr->par->appendix){
          scr.drawVerticalLine(gc_math, 1, offset, offset+row_ptr->height);
          scr.drawVerticalLine(gc_math, paperwidth-2 , offset, offset+row_ptr->height);
        }

        if (row_ptr->par->pextra_type == PEXTRA_MINIPAGE) {
                /* draw a marker at the left margin! */ 
                LyXFont font = GetFont(row_ptr->par, 0);
                int asc = font.maxAscent();
                int x = (LYX_PAPER_MARGIN - font.width('|')) / 2;
                int y1 = (offset + row_ptr->baseline);
                int y2 = (offset + row_ptr->baseline) - asc;

                scr.drawVerticalLine(gc_minipage, x, y1, y2);
        }       
        if (row_ptr->par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
                LyXFont font(LyXFont::ALL_SANE);
                font.setSize(LyXFont::SIZE_FOOTNOTE);
                font.setColor(LyXFont::RED);
                
                int box_x = LYX_PAPER_MARGIN;
                box_x += font.textWidth(" wide-tab ", 10);
                if (row_ptr->previous && 
                    row_ptr->previous->par->footnoteflag != LyXParagraph::OPEN_FOOTNOTE){
                        string fs;
                        switch (row_ptr->par->footnotekind) {
                        case LyXParagraph::MARGIN:
                                fs = " margin";
                                break;
                        case LyXParagraph::FIG:
                                fs = " fig";
                                break;
                        case LyXParagraph::TAB:
                                fs = " tab";
                                break;
                        case LyXParagraph::WIDE_FIG:
                                fs = " wide-fig";
                                break;
                        case LyXParagraph::WIDE_TAB:
                                fs = " wide-tab";
                                break;
                        case LyXParagraph::ALGORITHM:
                                fs = " alg";
                                break;
                        case LyXParagraph::FOOTNOTE:
                                fs = " foot";
                                break;
                        }
                        
                        // Determine background color.
                        gc_type back = gc_lighted;
                        if (mono_video) {
                                back = gc_clear;
                        }
                        scr.fillRectangle(back,LYX_PAPER_MARGIN, offset+1,
                                          box_x - LYX_PAPER_MARGIN, 
                                          int(font.maxAscent())+
                                          int(font.maxDescent()));
                        
                        scr.drawLine(gc_foot,
                                     offset,
                                     LYX_PAPER_MARGIN,
                                     paperwidth - 2*LYX_PAPER_MARGIN);
                        
                        scr.drawString(font, fs,
                                       offset + int(font.maxAscent())+1,
                                       LYX_PAPER_MARGIN);
                        scr.drawVerticalLine(gc_foot,
                                             LYX_PAPER_MARGIN,
                                             offset,
                                             offset
                                             + int(font.maxAscent())+
                                             int(font.maxDescent()));
                        
                        scr.drawLine(gc_foot,
                                     offset
                                     + int(font.maxAscent())
                                     + int(font.maxDescent()) + 1,
                                     LYX_PAPER_MARGIN, box_x - LYX_PAPER_MARGIN); 
                }
                
                /* draw the open floats in a red box */
                scr.drawVerticalLine(gc_foot,
                                     box_x,
                                     offset,  offset + row_ptr->height);
                
                scr.drawVerticalLine(gc_foot,
                                     paperwidth - LYX_PAPER_MARGIN,
                                     offset,
                                     offset + row_ptr->height);
                        
                
        } else  {
                if (row_ptr->previous &&
                    row_ptr->previous->par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
                        LyXFont font(LyXFont::ALL_SANE);
                        font.setSize(LyXFont::SIZE_FOOTNOTE);
                        
                        int box_x = LYX_PAPER_MARGIN;
                        box_x += font.textWidth(" wide-tab ", 10);
                        
                        scr.drawLine(gc_foot,
                                     offset,
                                     box_x,
                                     paperwidth - LYX_PAPER_MARGIN - box_x);
                }
        }
        
        LyXLayout* layout = lyxstyle.Style(parameters->textclass,
                                           row_ptr->par->GetLayout());
        firstpar = row_ptr->par->FirstPhysicalPar();
        
        y_top = 0;
        y_bottom = row_ptr->height;
        
        /* is it a first row? */ 
        if (row_ptr->pos == 0
            && row_ptr->par == firstpar) {
                
                 /* start of appendix? */
                if (row_ptr->par->start_of_appendix){
                  scr.drawLine(gc_math, 
                               offset,
                               1, paperwidth-2);
                }

                /* think about the margins */ 
                if (!row_ptr->previous)
                        y_top += LYX_PAPER_MARGIN;
                
                if (row_ptr->par->pagebreak_top){ /* draw a top pagebreak  */
                        scr.drawOnOffLine(offset + y_top + 2 * DefaultHeight(),
                                          0, paperwidth);
                        y_top += 3 * DefaultHeight();
                }
                
                if (row_ptr->par->added_space_top.kind() == VSpace::VFILL) {
                        /* draw a vfill top  */
                        scr.drawLine(gc_fill, 
                                     offset + 2 + y_top,
                                     0, LYX_PAPER_MARGIN);
                        scr.drawLine(gc_fill,
                                     offset + y_top + 3 * DefaultHeight(),
                                     0, LYX_PAPER_MARGIN);
                        scr.drawVerticalOnOffLine(LYX_PAPER_MARGIN / 2, 
                                                  offset + 2 + y_top,
                                                  offset + y_top + 3 *
                                                  DefaultHeight());
                        
                        y_top += 3 * DefaultHeight();
                }
                
                /* think about user added space */ 
                y_top += int(row_ptr->par->added_space_top.inPixels());
                
                /* think about the parskip */ 
                /* some parskips VERY EASY IMPLEMENTATION */ 
                if (parameters->paragraph_separation == LYX_PARSEP_SKIP) {
                        if (layout->latextype == LATEX_PARAGRAPH
                            && firstpar->GetDepth() == 0
                            && firstpar->Previous())
                                y_top += parameters->getDefSkip().inPixels();
                        else if (firstpar->Previous()
                                 && lyxstyle.Style(parameters->textclass,
                                                   firstpar->Previous()->GetLayout())->latextype == LATEX_PARAGRAPH
                                 && firstpar->Previous()->GetDepth() == 0)
                                // is it right to use defskip here, too? (AS) 
                                y_top += parameters->getDefSkip().inPixels();
                }
                
                if (row_ptr->par->line_top) {      /* draw a top line  */
                        y_top +=  GetFont(row_ptr->par, 0).ascent('x');

                        scr.drawThickLine(offset + y_top,
                                          0, paperwidth);
                        y_top +=  GetFont(row_ptr->par, 0).ascent('x');
                }
                
                /* should we print a label? */ 
                if (layout->labeltype >= LABEL_STATIC
                    && (layout->labeltype != LABEL_STATIC
                        || layout->latextype != LATEX_ENVIRONMENT
                        || row_ptr->par->IsFirstInSequence())) {
                        font = GetFont(row_ptr->par, -2);
                        if (!row_ptr->par->GetLabestring().empty()) {
                                tmpx = x;
                                string tmpstring = row_ptr->par->GetLabestring();
                                
                                if (layout->labeltype == LABEL_COUNTER_CHAPTER) {
                                        if (parameters->secnumdepth >=0){
                                                /* this is special code for the chapter layout. This is printed in
                                                 * an extra row and has a pagebreak at the top. */
                                                maxdesc = int(font.maxDescent() * layout->spacing.getValue() * parameters->spacing.getValue())
                                                        + int(layout->parsep) * DefaultHeight();
                                                scr.drawString(font, tmpstring,
                                                               offset + row_ptr->baseline
                                                               - row_ptr->ascent_of_text - maxdesc,
                                                               int(x));
                                        }
                                } else {
                                        x -= font.stringWidth( layout->labelsep);
                                        x -= font.stringWidth( tmpstring);
                                        /* draw it! */
                                        scr.drawString(font, tmpstring,
                                                       offset + row_ptr->baseline, int(x));
                                }
                                x = tmpx;
                        }
                        /* the labels at the top of an environment. More or less for bibliography */ 
                } else if (layout->labeltype == LABEL_TOP_ENVIRONMENT ||
                           layout->labeltype == LABEL_BIBLIO ||
                           layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
                        if (row_ptr->par->IsFirstInSequence()) {
                                font = GetFont(row_ptr->par, -2);
                                if (!row_ptr->par->GetLabestring().empty()) {
                                        string tmpstring = row_ptr->par->GetLabestring();
                                        
                                        maxdesc = int(font.maxDescent() * layout->spacing.getValue() * parameters->spacing.getValue()
                                                         + (layout->labelbottomsep * DefaultHeight()));
                                        
                                        int top_label_x = int(x);
                                        if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT){
                                                top_label_x = int(x + (paperwidth - RightMargin(row_ptr) - x) / 2); 
                                                top_label_x -= (font.stringWidth( tmpstring)/2);
                                        }
                                        
                                        scr.drawString(font, tmpstring,
                                                       offset + row_ptr->baseline
                                                       - row_ptr->ascent_of_text - maxdesc,  
                                                       top_label_x);                
                                }
                        }
                }
                if (layout->labeltype==LABEL_BIBLIO) { // ale970302
                        if (row_ptr->par->bibkey) {
                                tmpx = x;
                                x -= font.stringWidth(layout->labelsep);
                                font = GetFont(row_ptr->par, -1);
                                x -= row_ptr->par->bibkey->Width(font);
                                row_ptr->par->bibkey->Draw(font, scr,
                                                           offset + row_ptr->baseline, 
                                                           x);
                                x = tmpx;
                        }
                } 
        }
        
        /* is it a last row? */
        par = row_ptr->par->LastPhysicalPar();
        if (row_ptr->par->ParFromPos(RowLast(row_ptr) + 1) == par
            && (!row_ptr->next || row_ptr->next->par != row_ptr->par)) {     
                
                /* think about the margins */ 
                if (!row_ptr->next)
                        y_bottom -= LYX_PAPER_MARGIN;
                
                /* draw a bottom pagebreak */ 
                if (firstpar->pagebreak_bottom) {
                        scr.drawOnOffLine(offset + y_bottom - 2 *
                                          DefaultHeight(),
                                          0, paperwidth);
                        y_bottom -= 3 * DefaultHeight();
                }
                
                if (firstpar->added_space_bottom.kind() == VSpace::VFILL) {
                        /* draw a vfill bottom  */
                        scr.drawLine(gc_fill,
                                     offset + y_bottom - 3 * DefaultHeight(),
                                     0, LYX_PAPER_MARGIN);
                        scr.drawLine(gc_fill, offset + y_bottom - 2,
                                     0, LYX_PAPER_MARGIN);
                        scr.drawVerticalOnOffLine(LYX_PAPER_MARGIN / 2, 
                                                  offset + y_bottom - 3 * DefaultHeight(),
                                                  offset + y_bottom - 2
                                );          
                        y_bottom -= 3* DefaultHeight();
                }
                
                /* think about user added space */ 
                y_bottom -= int(firstpar->added_space_bottom.inPixels());
                
                if (firstpar->line_bottom) {
                        /* draw a bottom line */
                        y_bottom -= GetFont(par, par->Last() - 1).ascent('x');

                        scr.drawThickLine(offset + y_bottom,
                                          0, paperwidth);           
                        y_bottom -= GetFont(par, par->Last() - 1).ascent('x');
                }
        }
        
        /* draw the text in the pixmap */  
        pos_end = RowLast(row_ptr);
        
        pos = row_ptr->pos;
        /* table stuff -- begin*/
        if (row_ptr->par->table) {
                bool on_off;
                int cell = NumberOfCell(row_ptr->par, row_ptr->pos);
                float x_old = x;
                x += row_ptr->par->table->GetBeginningOfTextInCell(cell);
                
                while (pos <= pos_end)  {
                        if (row_ptr->par->IsNewline(pos)) {
                                
                                x = x_old + row_ptr->par->table->WidthOfColumn(cell);
                                /* draw the table lines, still very simple */
                                on_off = !row_ptr->par->table->TopLine(cell);
                                if ((!on_off ||
                                     !row_ptr->par->table->TopAlreadyDrawed(cell)) &&
                                    !row_ptr->par->table->IsContRow(cell))
                                        scr.drawTableLine(offset + row_ptr->baseline -
                                                          row_ptr->ascent_of_text,
                                                          int(x_old), int(x - x_old), on_off);
                                on_off = !row_ptr->par->table->BottomLine(cell);
                                if ((!on_off && !row_ptr->par->table->RowHasContRow(cell)) ||
                                    row_ptr->par->table->VeryLastRow(cell))
                                        scr.drawTableLine(offset + y_bottom - 1,
                                                          int(x_old), int(x - x_old), on_off);
                                on_off = !row_ptr->par->table->LeftLine(cell);
                                
                                scr.drawVerticalTableLine(int(x_old), 
                                                          offset + row_ptr->baseline -
                                                          row_ptr->ascent_of_text,
                                                          offset + y_bottom - 1,
                                                          on_off);
                                on_off = !row_ptr->par->table->RightLine(cell);
                                
                                scr.drawVerticalTableLine(int(x) -
                                                          row_ptr->par->table->AdditionalWidth(cell),
                                                          offset + row_ptr->baseline -
                                                          row_ptr->ascent_of_text,
                                                          offset + y_bottom - 1,
                                                          on_off);
                                x_old = x;
                /* take care about the alignment and other spaces */
                                cell++;
                                x += row_ptr->par->table->GetBeginningOfTextInCell(cell);
                                if (row_ptr->par->table->IsFirstCell(cell))
                                        cell--; // little hack, sorry
                                pos++;
                        } else if (row_ptr->par->IsHfill(pos)) {
                                x += 1;
                                
                                scr.drawVerticalLine(gc_fill, int(x),  
                                                     offset + row_ptr->baseline - DefaultHeight()/2, 
                                                     offset + row_ptr->baseline);               
                                x += 2;
                                pos++;
                        } else {
                                if (row_ptr->par->IsSeparator(pos)) {
                                        tmpx = x;
                                        x+=SingleWidth(row_ptr->par, pos);
                                        /* -------> Only draw protected spaces when not in
                                         * free-spacing mode. */
                                        if (row_ptr->par->GetChar(pos)==LYX_META_PROTECTED_SEPARATOR && !layout->free_spacing) {
                                                scr.drawVerticalLine(gc_fill, int(tmpx),
                                                                     offset + row_ptr->baseline - 3,
                                                                     offset + row_ptr->baseline - 1);
                                                scr.drawLine(gc_fill,
                                                             offset + row_ptr->baseline - 1,
                                                             int(tmpx),
                                                             int(x-tmpx-2));
                                                scr.drawVerticalLine(gc_fill, int(x-2),
                                                                     offset + row_ptr->baseline - 3,
                                                                     offset + row_ptr->baseline - 1);                   
                                                /* what about underbars? */
                                                font = GetFont(row_ptr->par, pos); 
                                                if (font.underbar() == LyXFont::ON
                                                    && font.latex() != LyXFont::ON) {
                                                        scr.drawLine(gc_copy,
                                                                     offset +
                                                                     row_ptr->baseline + 2,
                                                                     int(tmpx),
                                                                     int(x - tmpx));                        
                                                }
                                        }
                                        pos++;
                                } else
                                        Draw(row_ptr, pos, scr, offset, x);
                        }
                }
                
                /* do not forget the very last cell. This has no NEWLINE so 
                 * ignored by the code above*/ 
                if (cell == row_ptr->par->table->GetNumberOfCells()-1){
                        x = x_old + row_ptr->par->table->WidthOfColumn(cell);
                        on_off = !row_ptr->par->table->TopLine(cell);
                        if ((!on_off ||
                             !row_ptr->par->table->TopAlreadyDrawed(cell)) &&
                            !row_ptr->par->table->IsContRow(cell))
                                
                                scr.drawTableLine(offset + row_ptr->baseline -
                                                  row_ptr->ascent_of_text,
                                                  int(x_old), int(x - x_old), on_off);      
                        on_off = !row_ptr->par->table->BottomLine(cell);
                        if ((!on_off && !row_ptr->par->table->RowHasContRow(cell)) ||
                            row_ptr->par->table->VeryLastRow(cell))
                                
                                scr.drawTableLine(offset + y_bottom - 1,
                                                  int(x_old), int(x - x_old), on_off);      
                        on_off = !row_ptr->par->table->LeftLine(cell);
                        
                        scr.drawVerticalTableLine(int(x_old), 
                                                  offset + row_ptr->baseline -
                                                  row_ptr->ascent_of_text,
                                                  offset + y_bottom - 1,
                                                  on_off);          
                        on_off = !row_ptr->par->table->RightLine(cell);
                        
                        scr.drawVerticalTableLine(int(x) -
                                                  row_ptr->par->table->AdditionalWidth(cell),
                                                  offset + row_ptr->baseline -
                                                  row_ptr->ascent_of_text,
                                                  offset + y_bottom - 1,
                                                  on_off);          
                }
        } else {
                /* table stuff -- end*/
                
                while (pos <= pos_end)  {
                        
                        if (row_ptr->par->IsHfill(pos)) {
                                x += 1;
                                scr.drawVerticalLine(gc_fill, int(x),  
                                                     offset + row_ptr->baseline - DefaultHeight()/2, 
                                                     offset + row_ptr->baseline);               
                                if (HfillExpansion(row_ptr,pos)) {
                                        if (pos >= main_body) {
                                                scr.drawOnOffLine(offset + row_ptr->baseline -
                                                                  DefaultHeight()/4,
                                                                  int(x),
                                                                  int(fill_hfill));                     
                                                x += fill_hfill;
                    } else {
                            scr.drawOnOffLine(offset + row_ptr->baseline -
                                              DefaultHeight()/4,
                                              int(x),
                                              int(fill_label_hfill));
                            x += fill_label_hfill;
                    }
                                        scr.drawVerticalLine(gc_fill, int(x),
                                                             offset + row_ptr->baseline -
                                                             DefaultHeight()/2, 
                                                             offset + row_ptr->baseline);
                                }
                                x += 2;
                                pos++;
                        } else {
                                if (row_ptr->par->IsSeparator(pos)) {
                                        tmpx = x;
                                        x+=SingleWidth(row_ptr->par, pos);
                                        if (pos >= main_body)
                                                x+= fill_separator;
                                        /* -------> Only draw protected spaces when not in
                                         * free-spacing mode. */
                                        if (row_ptr->par->GetChar(pos)==LYX_META_PROTECTED_SEPARATOR && !layout->free_spacing) {
                                                
                                                scr.drawVerticalLine(gc_fill, int(tmpx),
                                                                     offset + row_ptr->baseline - 3,
                                                                     offset + row_ptr->baseline - 1);
                                                scr.drawLine(gc_fill,
                                                             offset + row_ptr->baseline - 1,
                                                             int(tmpx),
                                                             int(x-tmpx-2));
                                                scr.drawVerticalLine(gc_fill, int(x-2),
                                                                     offset + row_ptr->baseline - 3,
                                                                     offset + row_ptr->baseline - 1);                   
                                                /* what about underbars? */
                                                font = GetFont(row_ptr->par, pos); 
                                                if (font.underbar() == LyXFont::ON
                                                    && font.latex() != LyXFont::ON) {
                                                        scr.drawLine(gc_copy,
                                             offset + row_ptr->baseline + 2,
                                                                     int(tmpx),
                                                                     int(x - tmpx));
                                                }
                                        }
                                        pos++;
                                } else
                                        Draw(row_ptr, pos, scr, offset, x);
                        }
                        if (pos == main_body) {
                                x += GetFont(row_ptr->par, -2).stringWidth(
                                        layout->labelsep);
                                if (row_ptr->par->IsLineSeparator(pos - 1))
                                        x-= SingleWidth(row_ptr->par, pos - 1);
                                if (x < left_margin)
                                        x = left_margin;
                        }
                }
        }
        // check for FAST SELECTION
        if (fast_selection || mono_video){
                if (selection) {
                        
                        /* selection code */ 
                        if (sel_start_cursor.row == row_ptr && sel_end_cursor.row == row_ptr) {
                                scr.fillRectangle(gc_select,sel_start_cursor.x, offset,
                                                  sel_end_cursor.x - sel_start_cursor.x,
                                                  row_ptr->height); 
                        } else if (sel_start_cursor.row == row_ptr) {
                                scr.fillRectangle(gc_select, sel_start_cursor.x, offset,
                                                  paperwidth - sel_start_cursor.x,
                                                  row_ptr->height);
                        } else if (sel_end_cursor.row == row_ptr) {
                                scr.fillRectangle(gc_select, 0, offset,
                                                  sel_end_cursor.x,
                                                  row_ptr->height);
                        } else if (y > sel_start_cursor.y && y < sel_end_cursor.y) {
                                scr.fillRectangle(gc_select, 0, offset,
                                                  paperwidth, row_ptr->height);
                                
                        }
                }
        }
// end of FAST SELECTION code
        /* thats it */ 
}


int LyXText::DefaultHeight()
{
        LyXFont font(LyXFont::ALL_SANE);
        return int(font.maxAscent() + font.maxDescent() * 1.5);
}

   
/* returns the column near the specified x-coordinate of the row 
* x is set to the real beginning of this column  */ 
int  LyXText::GetColumnNearX(Row *row, int& x)
{
        int c; 
        float tmpx = 0.0;
        float fill_separator, fill_hfill, fill_label_hfill;
        int left_margin;
   
        left_margin = LabelEnd(row);
        PrepareToPrint(row, tmpx, fill_separator,
                       fill_hfill, fill_label_hfill);
        int main_body = BeginningOfMainBody(row->par);
   
        c = row->pos;

        int last = RowLast(row);
        if (row->par->IsNewline(last))
                last--;
   
        LyXLayout *layout = lyxstyle.Style(parameters->textclass,
                                           row->par->GetLayout());
        /* table stuff -- begin*/
        if (row->par->table) {
                if (!row->next || row->next->par != row->par)
                        last = RowLast(row); /* the last row doesn't need a newline at the end*/
                int cell = NumberOfCell(row->par, row->pos);
                float x_old = tmpx;
                bool ready = false;
                tmpx += row->par->table->GetBeginningOfTextInCell(cell);
                while (c <= last
                       && tmpx + (SingleWidth(row->par, c)/2) <= x
                       && !ready){
                        if (row->par->IsNewline(c)) {
                                if (x_old + row->par->table->WidthOfColumn(cell) <= x){
                                        tmpx = x_old + row->par->table->WidthOfColumn(cell);
                                        x_old = tmpx;
                                        cell++;
                                        tmpx += row->par->table->GetBeginningOfTextInCell(cell);
                                        c++;
                                } else
                                        ready = true;
                        } else {
                                tmpx += SingleWidth(row->par, c);
                                c++;
                        }
                }
        } else
                /* table stuff -- end*/

                while (c <= last
                       && tmpx + (SingleWidth(row->par, c)/2)  <= x) {
                        
                        if (c && c == main_body
                            && !row->par->IsLineSeparator(c - 1)) {
                                tmpx += GetFont(row->par, -2)
                                        .stringWidth(layout->labelsep);
                                if (tmpx < left_margin)
                                        tmpx = left_margin;
                        }
             
                        tmpx += SingleWidth(row->par, c);
                        if (HfillExpansion(row, c)) {
                                if (c >= main_body)
                                        tmpx += fill_hfill;
                                else
                                        tmpx += fill_label_hfill;
                        }
                        else if (c >= main_body
                                 && row->par->IsSeparator(c)) {
                                tmpx+= fill_separator;  
                        }
                        c++;
                        if (c == main_body
                            && row->par->IsLineSeparator(c - 1)) {
                                tmpx += GetFont(row->par, -2)
                                        .stringWidth(layout->labelsep);
                                tmpx-= SingleWidth(row->par, c - 1);
                                if (tmpx < left_margin)
                                        tmpx = left_margin;
                        }
                }
        /* make sure that a last space in a row doesnt count */
        if (c > 0 && c >= last
            && row->par->IsLineSeparator(c - 1)
            && !(!row->next || row->next->par != row->par)) {
                tmpx -= SingleWidth(row->par, c - 1);
                tmpx -= fill_separator;
        }
        c-=row->pos;
        
        x = int(tmpx);
        return c;
}

   
/* turn the selection into a new environment. If there is no selection,
* create an empty environment */ 
void LyXText::InsertFootnoteEnvironment(LyXParagraph::footnote_kind kind)
{
   /* no footnoteenvironment in a footnoteenvironment */ 
   if (cursor.par->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
      WriteAlert(_("Impossible operation"), 
                 _("You can't insert a float in a float!"), 
                 _("Sorry."));
     return;
   }
   /* no marginpars in minipages */
   if (kind == LyXParagraph::MARGIN 
      && cursor.par->pextra_type == PEXTRA_MINIPAGE) {
      WriteAlert(_("Impossible operation"), 
                 _("You can't insert a marginpar in a minipage!"), 
                 _("Sorry."));
      return;
   }
   
   /* this doesnt make sense, if there is no selection */ 
   bool dummy_selection = false;
   if (!selection) {
      sel_start_cursor = cursor;       /* dummy selection  */
      sel_end_cursor = cursor;
      dummy_selection = true;
   }
   
   LyXParagraph *tmppar;

   if (sel_start_cursor.par->table || sel_end_cursor.par->table){
      WriteAlert(_("Impossible operation"), _("Cannot cut table."), _("Sorry."));
      return;
   }
     
   /* a test to make sure there is not already a footnote
    * in the selection. */
   
   tmppar = sel_start_cursor.par->ParFromPos(sel_start_cursor.pos);
   
   while (tmppar != sel_end_cursor.par->ParFromPos(sel_end_cursor.pos) && 
          tmppar->footnoteflag == LyXParagraph::NO_FOOTNOTE)
     tmppar = tmppar->next;
   
   if (tmppar != sel_end_cursor.par->ParFromPos(sel_end_cursor.pos)
       || tmppar->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
      WriteAlert(_("Impossible operation"), 
                 _("Float would include float!"), 
                 _("Sorry."));
      return;
   }
   
   /* ok we have a selection. This is always between sel_start_cursor
    * and sel_end cursor */

   SetUndo(Undo::FINISH, 
           sel_start_cursor.par->ParFromPos(sel_start_cursor.pos)->previous, 
           sel_end_cursor.par->ParFromPos(sel_end_cursor.pos)->next); 
   
   if (sel_end_cursor.pos > 0 
       && sel_end_cursor.par->IsLineSeparator(sel_end_cursor.pos - 1))
     sel_end_cursor.pos--;             /* please break before a space at
                                        * the end */
   if (sel_start_cursor.par == sel_end_cursor.par
       && sel_start_cursor.pos > sel_end_cursor.pos)
     sel_start_cursor.pos--;

   sel_end_cursor.par->BreakParagraphConservative(sel_end_cursor.pos);
   
   sel_end_cursor.par = sel_end_cursor.par->Next();
   sel_end_cursor.pos = 0;
   
   // don't forget to insert a dummy layout paragraph if necessary
   if (sel_start_cursor.par->GetLayout() != sel_end_cursor.par->layout){
     sel_end_cursor.par->BreakParagraphConservative(0);
     sel_end_cursor.par->layout = LYX_DUMMY_LAYOUT;
     sel_end_cursor.par = sel_end_cursor.par->next;
   }
   else
     sel_end_cursor.par->layout = LYX_DUMMY_LAYOUT;

   cursor = sel_end_cursor;

   /* please break behind a space, if there is one. The space should
    * be erased too */ 
   if (sel_start_cursor.pos > 0 
       && sel_start_cursor.par->IsLineSeparator(sel_start_cursor.pos - 1))
     sel_start_cursor.pos--;
   if (sel_start_cursor.par->IsLineSeparator(sel_start_cursor.pos)) {
      sel_start_cursor.par->Erase(sel_start_cursor.pos);
   }
   
   sel_start_cursor.par->BreakParagraphConservative(sel_start_cursor.pos);
   tmppar = sel_start_cursor.par->Next();
   
   if (dummy_selection) {
           tmppar->Clear();
           if (kind == LyXParagraph::TAB
               || kind == LyXParagraph::FIG 
               || kind == LyXParagraph::WIDE_TAB
               || kind == LyXParagraph::WIDE_FIG 
               || kind == LyXParagraph::ALGORITHM) {
                   int lay = lyxstyle.NumberOfLayout(parameters->textclass,
                                                     "Caption");
                   if (lay == -1) // layout not found
                           // use default layout "Standard" (0)
                           lay = 0;
                   tmppar->SetLayout(lay);
           }
   }
   else {
     if (sel_start_cursor.pos > 0) {
       /* the footnote-environment should begin with a standard layout.
        * Imagine you insert a footnote within an enumeration, you 
        * certainly do not want an enumerated footnote! */ 
       tmppar->Clear();
     }
     else {
       /* this is a exception the user would sometimes expect, I hope */
       sel_start_cursor.par->Clear();
     }
   }
   
   while (tmppar != sel_end_cursor.par) {
      tmppar->footnoteflag = LyXParagraph::OPEN_FOOTNOTE;
      tmppar->footnotekind = kind;
      tmppar = tmppar->Next();
   } 

   RedoParagraphs(sel_start_cursor, sel_end_cursor.par->Next());
   
   SetCursor(sel_start_cursor.par->Next(), 0);

   ClearSelection();
}
   

/* returns pointer to a specified row */
Row* LyXText::GetRow(LyXParagraph *par, int pos, long &y)
{
   Row* tmprow;

   if (currentrow){
     if (par == currentrow->par || par == currentrow->par->Previous()){
             // do not dereference par, it may have been deleted
             // already! (Matthias) 
             while (currentrow->previous && currentrow->previous->par != par){
                     currentrow = currentrow->previous;
                     currentrow_y -= currentrow->height;
             }
             while (currentrow->previous && currentrow->previous->par == par){
                     currentrow = currentrow->previous;
                     currentrow_y -= currentrow->height;
             }
     }
     tmprow = currentrow;
     y = currentrow_y;
     /* find the first row of the specified paragraph */ 
     while (tmprow->next && (tmprow->par != par)) {
       y += tmprow->height;
       tmprow = tmprow->next;
     }

     if (tmprow->par == par){
       /* now find the wanted row */ 
       while (tmprow->pos < pos && tmprow->next && tmprow->next->par == par && 
              tmprow->next->pos <= pos) {
         y += tmprow->height;
       tmprow = tmprow->next;
       }
       currentrow = tmprow;
       currentrow_y = y;
       return tmprow;
     }
   }
   tmprow = firstrow;
   y = 0;
   /* find the first row of the specified paragraph */ 
   while (tmprow->next && (tmprow->par != par)) {
      y += tmprow->height;
      tmprow = tmprow->next;
   }
 
   /* now find the wanted row */ 
   while (tmprow->pos < pos && tmprow->next && tmprow->next->par == par && 
          tmprow->next->pos <= pos) {
             y += tmprow->height;
             tmprow = tmprow->next;
   }
   
   currentrow = tmprow;
   currentrow_y = y;

   return tmprow;
}