#include <applicat.h>
#include <config.h>
#include <golem.h>
#include <mask.h>   
#include <os_dep.h>
#include <printer.h>
#include <printwin.h>
#include <urldefid.h>
#include <utility.h>
#include <viswin.h>

#include <bagn001a.h> 

#define STYLE_NUM 4

HIDDEN TPrinter* _printer = NULL;

TPrinter& printer()
{
  if (_printer == NULL)
    _printer = new TPrinter;
  return *_printer;
}

void printer_destroy()
{
  if (_printer != NULL)
  {
    delete _printer;
    _printer = NULL;
  }  
}

// ----------------------------------------------------------------------
// TPrint_intersector
// ----------------------------------------------------------------------

// TPrint_intersector: calcola intersezioni tra elementi grafici e 
// restituisce, riga per riga, i necessari caratteri di fincatura per
// finculare in modo carattere
// usata da viswin e printwin
class TPrint_intersector : public TString_array
{
    const char* _fink;    

    char check_intersection(int x, int y, char ch);
    void h_line(int x1, int y1, int len);
    void v_line(int x1, int y1, int len);

    // caratteri fincazione: l'ho fatto perche' e' inline                                              
    char f_topleft()      const { return _fink[0];  }                                              
    char f_topmiddle()    const { return _fink[1];  }                                              
    char f_topright()     const { return _fink[2];  }                                              
    char f_botleft()      const { return _fink[3];  }                                              
    char f_botmiddle()    const { return _fink[4];  }                                              
    char f_botright()     const { return _fink[5];  }                                              
    char f_centerleft()   const { return _fink[6];  }                                              
    char f_centermiddle() const { return _fink[7];  }                                              
    char f_centerright()  const { return _fink[8];  }                                              
    char f_horizontal()   const { return _fink[9];  }                                              
    char f_vertical()     const { return _fink[10]; }                                              

  public:
                                                                 
    // aggiunge un elemento grafico                                                           
    void add(TGraphic_shape s, int x1, int y1, int x2, int y2);
    // aggiunge alla stringa passata i necessari caratteri, leggendo
    // dalla pagina interna
    const char* get_chars(int line) const;  
    // sbianca tutto
    void clear();
    
    TPrint_intersector(const char* fink, int pagesize) : TString_array(pagesize) , _fink(fink)
    {}
    virtual ~TPrint_intersector() {}
};

char TPrint_intersector::check_intersection(int x, int y, char ch)
{ 
  char a = ' ', b = ' ', c = ' ', d = ' ';
  if (y > 0 && objptr(y-1) != NULL)
    b = row(y-1)[x];
  if (objptr(y+1) != NULL)
    d = row(y+1)[x];
  if (x > 0) a = row(y)[x-1];
  if (x < row(y).len()-1) c = row(y)[x+1]; 
  
  if (a == ' ' && b == ' ' && c != ' ' && d != ' ')
    ch = f_topleft();
  else if (a == ' ' && b != ' ' && c != ' ' && d == ' ')
    ch = f_botleft();
  else if (a != ' ' && b != ' ' && c == ' ' && d == ' ')
    ch = f_botright();
  else if (a != ' ' && b == ' ' && c == ' ' && d != ' ')
    ch = f_topright();
  else if (a != ' ' && b != ' ' && c == ' ' && d != ' ')
    ch = f_centerright();
  else if (a == ' ' && b != ' ' && c != ' ' && d != ' ')
    ch = f_centerleft();
  else if (a != ' ' && b != ' ' && c != ' ' && d == ' ')
    ch = f_botmiddle();
  else if (a != ' ' && b == ' ' && c != ' ' && d != ' ')
    ch = f_topmiddle();
  else if ((a != ' ' && b != ' ' && c != ' ' && d != ' ') ||
           ((a != ' ' && b == ' ' && c != ' ' && d == ' ') && ch == f_vertical()) ||
           ((a == ' ' && b != ' ' && c == ' ' && d != ' ') && ch == f_horizontal()))
    ch = f_centermiddle();
     
  return ch;
}

void TPrint_intersector::h_line(int x1, int y1, int len)
{          
  if (objptr(y1) == NULL) 
  {
    TString* ss = new TString(256);
    ss->spaces();
    TArray::add(ss, y1);
  }       
  
  TString& s = row(y1);
  
  for (int i = x1; i < x1+len; i++)
    s[i] = f_horizontal();
  for (i = x1; i < x1+len; i++)
    s[i] = check_intersection(i, y1, f_horizontal());
}

void TPrint_intersector::v_line(int x1, int y1, int len)
{  
  for (int i = y1; i < y1+len; i++)
  {
    if (objptr(i) == NULL) 
    {
      TString* ss = new TString(256);
      ss->spaces();
      TArray::add(ss, i);
    }
    row(i)[x1] = f_vertical();
  }
  for (i = y1; i < y1+len; i++)
    row(i)[x1] = check_intersection(x1, i, f_vertical());
}

void TPrint_intersector::add(TGraphic_shape s, int x1, int y1, int x2, int y2)
{     
  // rows start at 0
  y1 --;  y2 --;
  // columns pure, ma e' possibile che siano gia' 0 se la generazione
  // e' stata automatica (colonna 1. campo - 1)
  if (x1 > 0) x1 --;
  if (x2 > 0) x2 --;

  switch (s)
  {
    case line:   
      if (x1 == x2)       // vertical
        v_line(x1, y1, y2-y1+1);
      else if (y1 == y2)  // horizontal
        h_line(x1,y1, x2-x1+1);
      else error_box("Linee oblique non supportate in modalita' testo");
      break;
    case box: 
      h_line(x1, y1, x2-x1+1);
      h_line(x1, y2, x2-x1+1);
      v_line(x1, y1, y2-y1+1);
      v_line(x2, y1, y2-y1+1);
      break;
    default:
      break;
  }
}

const char* TPrint_intersector::get_chars(int line) const
{
   if (objptr(line) == NULL)
     return "";
   else
     return row(line);
}

void TPrint_intersector::clear()
{  
  for (int i = 0; i < items(); i++)
  {
    TString* s = (TString*)objptr(i);
    if (s != NULL)
      s->spaces();
  }
}

///////////////////////////////////////////////////////////
// PrDesc
///////////////////////////////////////////////////////////

struct PrDesc
{
  TTextfile *_txt;
  TPrinter * _p;
} PrintWhat;

BOOLEAN XVT_CALLCONV1 TPrinter::start_print (long data)
{
  const PrDesc *pd = (PrDesc *) data;
  TTextfile& txt = *(pd->_txt);
  const int vofs = pd->_p->get_line_offset(); 
  const int hofs = pd->_p->get_column_offset();
  
  if (pd->_p->is_generic() && (vofs != 0 || hofs != 0))
  {                  
    TTextfile new_txt;                   
    TString s(256);
    const long last_row = txt.lines();
    long out_row = 0;
    
    for (long row = (vofs < 0 ? -vofs : 0); row < last_row; row++)    
    {                          
       const int pagelen = pd->_p->formlen();
       const int page_row = (int) (out_row % pagelen);
       
       if (vofs > 0 && page_row == 0)
       {     
         const int page = (int) (out_row / pagelen);

         for (int i = vofs; i > 0; i--)
         {
           out_row++;
           if (page > 0)
             row++;
           new_txt.append("");
         }
       }               
       if (vofs < 0 && page_row == pagelen + vofs)
       {
         for (int i = -vofs; i > 0; i--)
         {
           out_row++;                     
           row++;
           new_txt.append("");
         }
       }
       s = txt.line(row);
       if (hofs < 0)
         s.ltrim(-hofs);
       else
         if(hofs > 0)
           s.lpad(s.len() + hofs);
       new_txt.append(s);
       out_row++;
    }
    TPrintwin pw(new_txt);
    pw.do_print();
    return pw.aborted();
  }                 
  else
  {
    TPrintwin pw(txt);
    if (pw.win() != NULL_WIN)
      pw.do_print();
    return pw.aborted();
  }
}

// utils del caz
HIDDEN int read_int (const char *s, int &n, int &cnt)
{
  char nbuf[16];
  
  while (!isdigit (s[cnt]))
    cnt++;

  for (int j = 0; isdigit (s[cnt]); j++)
    nbuf[j] = s[cnt++];
  nbuf[j] = '\0';

  return n = atoi (nbuf);
}

void TPrinter::parse_background(const char* bg_desc, TString_array& background)
{
  TString_array pix;
  char op, ch;
  int x1, x2, y1, y2;
  int id, cnt = 0; 
  
  TToken_string tt;
  TFilename bmp;

  if (!_fink_mode && _finker == NULL)
    _finker = new TPrint_intersector(_fink, _formlen);
  else if (_finker)
    _finker->clear();

  while ((ch = bg_desc[cnt++]) != '\0')
  {
    op = ch;
    tt = "";
    char bf[2];
    bf[1] = '\0';
    switch (op)
    {
    case ' ':               
    case '\t':
    case '\n':
      continue;             // ignore whitespace
      break;
    case 'i':
      cnt++;
      for (x1 = 0; bg_desc[cnt] != ','; x1++)
        bmp[x1] = bg_desc[cnt++];
      bmp[x1] = '\0';
      id = _image_names.find(bmp);
      if (id < 0) id = _image_names.add(bmp);
      read_int(bg_desc, x1, cnt); if (x1 <= 0) x1 = 1;
      read_int(bg_desc, y1, cnt); if (y1 <= 0) y1 = 1;
      read_int(bg_desc, x2, cnt); if (x2 <= 0) x2 = formwidth();
      read_int(bg_desc, y2, cnt); if (y2 <= 0) y2 = formlen();
      cnt++;
      if (_isgraphics)
      {
        tt << op;
        tt.add(id);
        tt.add(x1);
        tt.add(y1);
        tt.add(x2);  
        tt.add(y2); 
      } 
      break;  
    case 'l':               // line

    case 'b':               // box

    case 'r':               // round box
      cnt++;
      read_int (bg_desc, x1, cnt);
      read_int (bg_desc, y1, cnt);
      read_int (bg_desc, x2, cnt);
      read_int (bg_desc, y2, cnt);
      cnt++;                // skip separator
      if (_isgraphics && _fink_mode) 
      {
        tt << op;
        tt.add (x1 - 1);
        tt.add (y1 - 1);
        tt.add (x2 - 1);
        tt.add (y2 - 1); 
      }
      else
      {
        TGraphic_shape s = op == 'b' ? box : line;
        _finker->add(s, x1, y1, x2, y2);
      }
      break;
    case 't':               // text
      cnt++;
      read_int (bg_desc, x1, cnt);
      read_int (bg_desc, y1, cnt);
      cnt++;
      tt << op;
      tt.add (x1-1);
      tt.add (y1-1);
      tt << '|';
      while ((ch = bg_desc[cnt++]) != '}')
        tt << ch;
      break;
      
    case 'P':           // set pen style

    case 'B':           // set brush

    case 'W':           // set line width 

    case 'C':           // set pen color

      tt << op;
      bf[0] = bg_desc[cnt++];
      tt.add (bf);
      break;
    default:
      yesnofatal_box ("Unknown background opcode: %c", op);
      break;
    }
    pix.add (tt);
  }
                               
  // now build row descriptions

  // colors are listed in printapp:

  char curcol = 'n';
  char curpen = 'n';
  char curpat = 'n';
  char curwid = '1';

  for (int l = 0; l < _formlen; l++)
  {
    if (background.objptr(l) == NULL)            // Se la riga non esiste creala
    {                                        
      TToken_string* r = new TToken_string(15);           
      if (curcol != 'n') *r << 'C' << curcol;    // Setta valori se diversi da default
      if (curpat != 'n') *r << 'B' << curpat;
      if (curwid != '1') *r << 'W' << curwid;
      if (curpen != 'n') *r << 'P' << curcol;
      background.add(r, l);
    }
    
    TString& rwd = background.row(l);
    for (int j = 0; j < pix.items(); j++)
    {
      TToken_string& tt = pix.row(j);

      // la stringa contiene l'opcode piu' i parametri in binario, 
      // incrementati di 1 per evitare lo 0

      switch (tt.get_char(0))
      {
      case 'b':
        x1 = tt.get_int (1) + 1;
        y1 = tt.get_int (2) + 1;
        x2 = tt.get_int (3) + 1;
        y2 = tt.get_int (4) + 1;
        if (y1 == l + 1)        // at ze biginnin
        {
          rwd << 'u' << char (x1);
          rwd << 'r' << char (x1) << char (x2);
          rwd << 'u' << char (x2);
        }
        else if (y2 == l + 1)   // at ze end
        {
          rwd << 'o' << char (x1);
          rwd << 'r' << char (x1) << char (x2);
          rwd << 'o' << char (x2);
        }
        else if (y1 < l + 1 && y2 > l + 1)      // in ze middol
        {
          rwd << 'v' << char (x1);
          rwd << 'v' << char (x2);
        }
        break;
      case 'l':
        x1 = tt.get_int (1) + 1;
        y1 = tt.get_int (2) + 1;
        x2 = tt.get_int (3) + 1;
        y2 = tt.get_int (4) + 1;
        if (y1 == y2 && y1 == l + 1)    // orizzontale 
        {
          rwd << 'h' << char (x1) << char (x2);
        }
        else if (y1 <= l + 1 && y2 >= l + 1)    // verticale  

        {
          rwd << 'v' << char (x1);
        }
        break;
      case 'r':
        x1 = tt.get_int (1) + 1;
        y1 = tt.get_int (2) + 1;
        x2 = tt.get_int (3) + 1;
        y2 = tt.get_int (4) + 1;
        if (y1 == y2)    // orizzontale 
        {                          
          if (y1 == l+1)
            rwd << 'r' << char (x1) << char (x2);
        }
        else 
        {                  
          const int l1 = l+1;
          if (l1 >= y1 && l1 <= y2)    // verticale  
          {                       
            char code = 'v';
            if (y1 == l1) code = 'u'; else 
            if (y2 == l1) code = 'o';
            rwd << code << char(x1);
          }  
        }
        break;
      case 't':
        x1 = tt.get_int (1) + 1;
        y1 = tt.get_int (2) + 1;        // al gh'e'
        if (y1 == l + 1)
        {}
        break; 
      case 'i':
        id = tt.get_int();
        x1 = tt.get_int();
        y1 = tt.get_int();
        x2 = tt.get_int();
        y2 = tt.get_int();
        if (l+1 >= y1 && l+1 <= y2)                                    
          rwd << 'i' << char(id+1) << char(l-y1+2) << char(x1) 
            << char(x2-x1+1) << char(y2-y1+1);
        break;  
      case 'W':
        curwid = *(tt.get (1));
        rwd << 'W' << curwid;
        break;
      case 'P':
        curpen = *(tt.get (1));
        rwd << 'P' << curpen;
        break;
      case 'B':
        curpat = *(tt.get (1));
        rwd << 'B' << curpat;
        break;
      case 'C':
        curcol = *(tt.get (1));
        rwd << 'C' << curcol;
        break;
      default:
        break;  
      }
    }
  }
}

void TPrinter::setbackground(const char* b, int index)
{                       
  CHECK(index >= 0 && index <= 3, "Bad background index");
  _backgrounds.destroy(index);
  if (b && *b)
  {                                               
    TString_array* bg = new TString_array(formlen());
    _backgrounds.add(bg, index);
    parse_background(b, *bg);
  }  
}

TString_array& TPrinter::getbgdesc(word page) const
{
  int index = 0;
  if (page == 0 && _backgrounds.objptr(3)) 
    index = 3; 
  if (page == 1 && _backgrounds.objptr(2)) 
    index = 2; 
  if (index == 0 && (page & 0x1) == 0 && _backgrounds.objptr(1))    
    index = 1;
    
  TString_array* bg = (TString_array*)_backgrounds.objptr(index);
  if (bg == NULL)
  {
    bg = new TString_array(formlen());
    ((TPrinter*)this)->_backgrounds.add(bg, index);  // keep const
  }  
   
  return *bg;
}


bool printers_on_key(TMask_field & f, KEY key);

// fv support structs for config

// @doc INTERNAL

// @mfunc Legge la descrizione della stampante dal file
//
// @rdesc Ritorna il risultato dell'operazione:
//
// @flag TRUE | Se e' riuscito a leggere la descrizione della stampante
// @flag FALSE | Se non e' riuscito a leggere la descrizione della stampante
bool PrinterDef::read(
  const char *name,     // @parm Nome della stampante di cui cercarne la descrizione
  FILE * fd)            // @parm Puntatore al file contenente la descrizione
{
  _printername = name;
  _printername.trim ();

  TToken_string tmp (64, '=');
  TString l (48);
  TString r (16);

  while (TRUE)
  {
    const long p = ftell (fd);  // Memorizza inizio paragrafo

    if (fgets (__tmp_string, 256, fd) == NULL)
      return FALSE;
    tmp = __tmp_string;
    tmp.trim ();

    if (tmp == "[End of File]")
      return FALSE;

    if (tmp[0] == '[')
    {
      fseek (fd, p, SEEK_SET);  // Ritorna ad inizio paragrafo

      break;
    }

    l = tmp.get ();
    l.trim ();
    r = tmp.get ();
    r.trim ();

    if (l == "Device name")
    {
      _devicename = r;
    }
    else if (l == "Filter name")
    {
      _filtername = r;
    }
    else if (l == "Printer type")
    {
      _printertype = r;
    }
    else if (l == "Normal")
    {
      strcpy (_atstr[normalstyle], r);
    }
    else if (l == "Bold")
    {
      strcpy (_atstr[boldstyle], r);
    }
    else if (l == "Italic")
    {
      strcpy (_atstr[italicstyle], r);
    }
    else if (l == "Underlined")
    {
      strcpy (_atstr[underlinedstyle], r);
    }
    else if (l == "Code")
    {
      TToken_string code (r);
      _names.add ( code.get() );
      _codes.add ( code.get() );
    }
    else if (l == "Form feed")
    {
      _ffcode = r;
    }
    else if (l == "Newline")
    {
      _nlcode = r;
    }
    else
      return error_box ("Riga di configurazione stampante errata:\n%s", (const char *) l);
  }
  return TRUE;
}

bool PrinterDef::isdefault ()
{
  return strcmp(_printername, "Default") == 0;
}

////////// TPRINTROW //////////

TPrintrow::TPrintrow()
{
  reset();
}

TPrintrow::TPrintrow(const TPrintrow& pr)
{
  _row = pr.row ();
  memcpy (_attr, pr._attr, MAXSTR);
  memcpy (_cols, pr._cols, MAXSTR);
  _currentcolor = 'w';
  _currentcolor <<= 8;
  _currentcolor += 'n';
  _currentstyle = pr._currentstyle;
  for (int i = 0; i < MAXSTR; i++)
    _cols[i] = _currentcolor;
  _lastpos = pr._lastpos;
}

TObject *TPrintrow::dup () const
{
  return new TPrintrow (*this);
}

const char *TPrintrow::class_name () const
{
  return "Printrow";
}

word TPrintrow::class_id()
  const
{
  return CLASS_PRINTROW;
}

TPrintrow& TPrintrow::reset()
{
  _row.spaces (sizeof(_attr));                       // Azzera testo

  memset(_attr, normalstyle, sizeof (_attr));        // Azzera stile
  
  _tab.reset();                                       // Azzera tabulazioni

  _currentcolor = 'w';
  _currentcolor <<= 8;
  _currentcolor += 'n';
  for (int i = 0; i < MAXSTR; i++)
    _cols[i] = _currentcolor;                         // Azzera colori
  
  _lastpos = 0;
  _currentstyle = normalstyle;
  return *this;
}

const char* TPrintrow::row_codified() const
{

  char last_attr = -1;
  int last_color = -1;
  int last = 0, k = 0, len = -1;     
  
  for (int i = 0; i < _row.size(); i++)
    if (_row[i] > ' ') len = i;

  for (i = 0; i < _row.size(); i++)
  {
    if (_tab[i])
    {
      __tmp_string[k++] = '@'; 
      __tmp_string[k++] = 't';
    }  
    
    if (_attr[i] != last_attr)
    {
      __tmp_string[k++] = '@';
      switch (_attr[i])
      {
      case normalstyle:
        __tmp_string[k++] = 'r';
        break;
      case boldstyle:
        __tmp_string[k++] = 'b';
        break;
      case italicstyle:
        __tmp_string[k++] = 'i';
        break;
      case underlinedstyle:
        __tmp_string[k++] = 'u';
        break;
      }
      last_attr = _attr[i];
    }
    if (_cols[i] != last_color &&  i <= len)
    {
      __tmp_string[k++] = '$';
      __tmp_string[k++] = '[';
      __tmp_string[k++] = (char) (_cols[i] & 0x00ff);
      __tmp_string[k++] = ',';
      __tmp_string[k++] = (char) (_cols[i] >> 8);
      __tmp_string[k++] = ']';
      last_color = _cols[i];
    }
    __tmp_string[k++] = _row[i];
    if (_row[i] > ' ') last = k;
  }

  __tmp_string[last] = '\0';
  return __tmp_string;
}

TPrintrow& TPrintrow::put(const char *str, int position, int len)
{
  if (len < 1)
    len = strlen (str);
  
  if (position < 0)
    position = _lastpos;
  else
    _tab.set(position);  

  char bg = 'w', fg = 'n';
  for (int i = 0; i < len; i++)
  {
    char c = str[i];
    if (c == '$' && str[i + 1] == '[')
    {
      ++i;
      fg = str[++i];
      c = str[++i];
      if (c == ']')
        bg = _currentcolor >> 8;
      else if (c == ',')
      {
        bg = str[++i];
        i++;
      }
      else
      {
        CHECK (0, "Error in color specification");
      }
      _currentcolor = (bg << 8) + fg;
    }
    else if (c == '@')
    {
      c = str[++i];
      switch (toupper (c))
      {
      case '#':
      case '<':
      case '>':
        // printer MUST handle them
      {
        const int n = (c == '#') ? 5 : ((c == '>') ? 10 : 8);
        _row[position] = '@';
        _attr[position++] = _currentstyle;
        for (int j = 1; j < n; j++)
        {
          _row[position] = c;
          _attr[position++] = _currentstyle;
        }
      }
      break; 
    case 'T':
      _tab.set(position);
      break;
    case 'B':
      _currentstyle = boldstyle;
      break;
    case 'I':
      _currentstyle = italicstyle;
      break;
    case 'U':
      _currentstyle = underlinedstyle;
      break;
    case 'R':
      _currentstyle = normalstyle;
      break;
    default:
      // should be number followed by skip or jump
      if (isdigit (c))
      {
        // read number
        char digbuf[8];
        int cnt = 0;
        digbuf[cnt++] = c;
        while (isdigit (c = str[++i]))
          digbuf[cnt++] = c;
        digbuf[cnt] = '\0';
        int pp = atoi (digbuf);
        if (toupper (c) == 'G')
        {
          if (pp >= MAXSTR)
            fatal_box ("printrow reaches position %d", pp);
          if (pp > position)
            for (int k = position; k < pp; k++)
            {
              _attr[k] = _currentstyle;
              _cols[k] = _currentcolor;
            }
          position = pp;
          _tab.set(position);
        }
        else if (toupper (c) == 'J')
        {
          if (pp + position >= MAXSTR)
            fatal_box ("printrow reaches position %d", pp + position);
          for (int k = 0; k < pp; k++)
          {
            _attr[k + position] = _currentstyle;
            _cols[k + position] = _currentcolor;
          }
          position += pp;
          _tab.set(position);
        }
      }
      else
      {
        _row[position] = c;
        _attr[position++] = _currentstyle;
        _cols[position++] = _currentcolor;
      }
    }                   // switch

    }
    else
    {
      _row[position] = c;
      _attr[position] = _currentstyle;
      _cols[position++] = _currentcolor;
    }
  }                             // for

  _lastpos = position;
  return *this;
}

////////// TPRINTER //////////

HIDDEN bool printer_handler (TMask_field & f, KEY key)
{
  if (key == K_SPACE)
  {
    TToken_string pn1(10), pn2(80);

    const PrinterDef & def = printer().get_description(atoi(f.get ()));
    const char *s;
    int j = 0;
    while ((s = def.get_codenames (j)) != NULL)
    {
      pn1.add (format ("%02d", j));
      pn2.add (s);
      j++;
    }
    ((TList_field &) f.mask ().field (MSK_CODES)).replace_items (pn1, pn2);
  }
  return TRUE;
}

void TPrinter::set_printrcd()
{
  if (_print_rcd != NULL)
    xvt_print_destroy(_print_rcd);
  _print_rcd = xvt_print_create(&_print_rcd_size);
  
  if (!xvt_print_is_valid(_print_rcd))
    error_box("Errore di inizializzazione della stampante");
}

PRINT_RCD* TPrinter::get_printrcd(int *size)
{
  if (_print_rcd == NULL)
    set_printrcd();
  if (size != NULL) 
    *size = _print_rcd_size;  
  return _print_rcd;  
}

// @doc EXTERNAL

// @mfunc Setta le caratteristiche della stampante leggendole da <p _print_rcd>
void TPrinter::init_formlen(
  WINDOW prwin) // @parm Finestra effettiva di stampa (default NULL_WIN)

  // @comm Nel caso <p prwin> sia NULL_WIN vengono solamente aggiornati i valori
{
  long pw, ph, phr, pvr; // Printer width, height, horizontal and vertical resolution
  xvt_app_escape (XVT_ESC_GET_PRINTER_INFO, get_printrcd(), &ph, &pw, &pvr, &phr);
  
  if (pvr != 0)
  {
    _formlen       = int(ph * _lines_per_inch / pvr);   // Total number of lines per page
    _dots_per_line = int(pvr / _lines_per_inch);        // Number of point per line
    _vert_offset   = (int)(ph - ((long)_formlen * _dots_per_line)) >> 1;

    if (prwin != NULL_WIN)
    {
      const TString spc(256, 'M');  // Compute maximum number of chars per line
      
      int w = 0;
      for (_formwidth = spc.len(); _formwidth >= 80; _formwidth--)
      {
        w = xvt_dwin_get_text_width(prwin, (char*)(const char*)spc, _formwidth);
        if (w < pw) break;
      }     
      if (isfax())
        _horz_offset = 56;         
      else
        _horz_offset = (_formwidth > 80) ? (int)(pw - w)/2 : 0;         
    }
    else 
    {
      _formwidth = 256;
      _horz_offset = 0;
    }                      
  }
  else
    warning_box ("Il driver della stampante non e' valido.\n"
                 "Non stampare prima di averlo reinstallato");
}

// Handler della maschera di setup
HIDDEN bool set_windows_print_device (TMask_field& f, KEY key)
{
  TMask& m = f.mask();
  
  if (key == K_TAB && (f.focusdirty() || !m.is_running()))
  {             
    TWait_cursor hourglass;

    TPrinter& pr = printer();
    
    TToken_string pn; os_get_printer_names(pn);
    const TString pdev (pn.get(atoi (f.get())));          // Nome stampante corrente
    
    os_set_default_printer(pdev);
    if (m.is_running())
    {
      pr.set_printrcd();
      pr.init_formlen();
    }
    
    const int MAX_FAMILIES = 128;
    char* family[MAX_FAMILIES];
    const int num_families = (int)xvt_fmap_get_families(pr.get_printrcd(), family, MAX_FAMILIES);
    TToken_string pn1(256), pn2(256);                                                    

    for (int i = 0; i < num_families; i++)
    {
      pn1.add(family[i]);
      pn2.add(family[i]);
      xvt_mem_free(family[i]);
    }  
    TList_field& lst = (TList_field&)m.field(MSK_FONT);
    
    lst.replace_items(pn1, pn2);  
    
    m.set(MSK_FONT, printer().fontname(), TRUE);
  }
  return TRUE;
}

HIDDEN bool font_handler(TMask_field& f, KEY key)
{
  TMask& m = f.mask();
  
  if (key == K_TAB && (f.focusdirty() || !m.is_running()))
  {                
    TWait_cursor hourglass;

    const char* family = f.get();
    const int MAXSIZES = 16;
    long sizes[MAXSIZES]; 
    BOOLEAN scalable;
    const int num_sizes = (int)xvt_fmap_get_family_sizes(printer().get_printrcd(), 
                                                         (char*)family, sizes, &scalable, MAXSIZES);
    
    TToken_string pn1(80);
    
    if (scalable)
    {
      for (int i = 4; i <= 32; i++)
        pn1.add(i);
    }  
    else                           
    {
      if (num_sizes > 0)
      {
        for (int i = 0; i < num_sizes; i++)
          pn1.add(sizes[i]);
      }
      else pn1.add(printer().get_char_size());
    }
    
    TList_field& lst = (TList_field&)f.mask().field(MSK_SIZE);
    lst.replace_items(pn1, pn1);
    lst.set(format("%d", printer().get_char_size()));
  }   
  return TRUE;
}

TPrinter::TPrinter()
: _date (TODAY), _multiple_link (FALSE), _frozen (FALSE), _isgraphics (TRUE),
  _lines_per_inch (6), _ch_size (12), _ncopies(1), _export_header(FALSE),
  _export_header_len(0), _vf(NULL), _l_offset(0), _c_offset(0), _appendfile(FALSE),
  _print_rcd(NULL)

{
  _footerhandler = _headerhandler = NULL;
  _linkhandler = NULL;
  _curprn = 0;                  // first in list if no default is specified

  _curcode = 0;                 // first in list if no default is specified

  _formlen = 66;
  _frompage = 0;
  _topage = 0xffff;
  _hwformfeed = FALSE;
  _currentpage = 1;
  _currentrow = 1;
  _fp = NULL;
  _headersize = 0;
  _footersize = 0;
  _isopen = FALSE;
  _multiple_copies = main_app().class_id() == CLASS_PRINT_APPLICATION;
  
  // read configuration file
  read_configuration ();

  init_formlen ();

  os_get_default_printer(_defPrinter);
  
  TToken_string pn2; os_get_printer_names(pn2);       // get printer names

  CHECK(_curprn >= 0, "Can't find printer ");

  if (_curprn >= word(pn2.items()))
  {
    TString pdev(_defPrinter);          // Nome stampante corrente
    int comma = pdev.find(',');
    if (comma > 0)
      pdev.cut(comma);
    _curprn = pn2.get_pos(pdev);
  }
  else
  {
    const TString pdev(pn2.get(_curprn));          // Nome stampante corrente
    // scrivi (e semmai lo si risistema poi)             
    os_set_default_printer(pdev);
  }
  
  set_fincatura("+++++++++-|");                

  set_fink_mode(TRUE);
  _finker = _isgraphics && _fink_mode ? NULL : new TPrint_intersector(_fink, _formlen);
}

bool TPrinter::isfax() const
{                                      
  bool fax = FALSE;
  if (_printertype == winprinter)
  {
    const char* name = (const char*)((TPrinter*)this)->get_printrcd() + 4;
    fax = strncmp(name, "FaxMan", 6) == 0;
  }  
  return fax;
}

// @doc EXTERNAL

// @mfunc Legge la configurazione della stampante
void TPrinter::read_configuration(
  const char* parag)    // parm Nome del file di configurazione della stampante (default NULL)

  // @comm Se <p parag> e' NULL viene letta la configurazione della stamapnte di default.
{                  
  TWait_cursor hourglass;

  _config = parag;                                            // Inizializza nome configurazione
  if (_config.empty())                                        // Se non specificata ...
    _config = "Printer";                                      // ... usa configurazione standard

  TConfig* iniptr = NULL;                         
  if (_config != "Printer")                                   // Cerca configurazione speciale
  {                                                           
    iniptr = new TConfig(CONFIG_STAMPE, _config);
    const int what = iniptr->get_int("Type", NULL, -1, -1);
    if (what < 0)                                             // Se configurazione annullata ...
    { 
      delete iniptr; iniptr = NULL;                            
    }
  }
  if (iniptr == NULL)
    iniptr = new TConfig(CONFIG_USER, "Printer");

  const int what = iniptr->get_int("Type", NULL, -1, 0);      // Tipo stampante
  _curprn = iniptr->get_int("Number", NULL, -1, 0);           // Numero stampante corrente
  _printerfile = iniptr->get("File", NULL, -1, "");           // File di stampa                
  _curcode = iniptr->get_int("Codes", NULL, -1, 0);           // Codici di stampa               
  _fontname = iniptr->get("Font", NULL, -1, XVT_FFN_FIXED);   // Nome del font
  _ch_size = iniptr->get_int("Size", NULL, -1, 12);           // Dimensione del font
  _lines_per_inch = iniptr->get_int("Lines", NULL, -1, 6);    // Linee per pollice
  _isgraphics = iniptr->get_bool("Graphic", NULL, -1, FALSE); // Grafica attiva
  
  if (iniptr->exist("rcd", 0))
  {              
    int size, i = 0;
    byte* rcd = (byte*)get_printrcd(&size);

    TToken_string s(256);         
    for (int index = 0; i < size; index++)
    {
      s = iniptr->get("rcd", NULL, index);
      if (*s)
      {
        for (const char* n = s.get(0); n && i < size; n = s.get())
          rcd[i++] = (byte)atoi(n);
      }
      else
        break;    
    }
    if (!xvt_print_is_valid(_print_rcd))
    {
      error_box("Attenzione: la stampante corrente non e' valida.\n"
                "Si prega di selezionare e registrare una nuova stampante.");
      set_printrcd();
    }  
  }           
  
  delete iniptr; iniptr = NULL;
  
  if (_printerfile.empty())
  {
    _printerfile.tempdir();
    _printerfile << '/';
  }                                                 
  
  if (_config == "Printer" || _printertype == winprinter)
    switch (what)
    {
    case 0:
    case 5:  
      _printertype = winprinter;
      break;
    case 1:             // file
      _printertype = fileprinter;
      break;
    case 4:             // video
      _printertype = screenvis;
      _curcode = 0;
      break;
    case 6:             // export
      _printertype = export;
      _curcode = 0;
      break;
    default:      
      break;  
    }                     
}


void TPrinter::save_configuration()
{ 
  TWait_cursor hourglass;

  CHECK(_config.not_empty(), "Invalid printer config");
  TConfig prini(_config == "Printer" ? CONFIG_USER : CONFIG_STAMPE, _config);
  
  prini.set("Type", _printertype);              // Tipo stampante
  prini.set("Number", _curprn);                 // Numero stampante corrente
  prini.set("File", _printerfile);              // File di stampa                
  prini.set("Codes", _curcode);                 // Codici di stampa               
  prini.set("Font", _fontname);                 // Nome del font
  prini.set("Size", _ch_size);                  // Dimensione del font
  prini.set("Lines", _lines_per_inch);          // Linee per pollice
  prini.set("Graphic", _isgraphics ? "X" : ""); // Grafica attiva
  
  int n = 0, index = 0;       
  TToken_string val(256);             
  
  int rcdsize;                                      
  byte* rcd = (byte*)get_printrcd(&rcdsize);
  
  for (int i = 0; i < rcdsize; i++)
  {             
    val.add((int)rcd[i]);
    n++;
    if (n == 24)
    {
      prini.set("rcd", val, NULL, TRUE, index++);
      val.cut(n = 0);
    }
  }
  if (n > 0)
    prini.set("rcd", val, NULL, TRUE, index);
  
  for (index++; prini.remove("rcd", index); index++);
}

TPrinter::~TPrinter ()
{
  if (_print_rcd != NULL)
  {
    xvt_print_destroy(_print_rcd);
    _print_rcd = NULL;
  }                                                     
  os_set_default_printer(_defPrinter);
}

const char* TPrinter::class_name() const
{
  return "Printer";
}

word TPrinter::class_id() const
{
  return CLASS_PRINTER;
}

TPrintrow *TPrinter::getheaderline(int linetoget)
{
  return ((TPrintrow *)_header.objptr (linetoget));
}

TPrintrow *TPrinter::getfooterline(int linetoget)
{
  return ((TPrintrow *)_footer.objptr(linetoget));
}

// @doc EXTERNAL

// @mfunc Setta il contenuto di una line dell'header
void TPrinter::setheaderline (
  int linetoset,        // @parm Numero della linea da settare
  TPrintrow * line)     // @parm Contenuto della linea dell'header
  // @parm const TPrintrow& | line | Indirizzo con il contenuto della 
  //     linea dell'header

  // @syntax void setheaderline (int linetoset, TPrintrow* line);
  // @syntax void setheaderline (int linetoset, const TPrintrow& line);

{
  _header.add (line, linetoset);
  if (linetoset >= _headersize)
    _headersize = linetoset + 1;
}

void TPrinter::setheaderline (int linetoset, const TPrintrow & line)
{
  TPrintrow *p = new TPrintrow (line);
  setheaderline (linetoset, p);
}

// @doc EXTERNAL

// @mfunc Setta il contenuto di una line dell'header
void TPrinter::setfooterline (
  int linetoset,        // @parm Numero della linea da settare
  TPrintrow * line)     // @parm Contenuto della linea del footer
  // @parm const TPrintrow& | line | Indirizzo con il contenuto della 
  //     linea del footer

  // @syntax void setfooterline (int linetoset, TPrintrow* line);
  // @syntax void setfooterline (int linetoset, const TPrintrow& line);

{
  _footer.add (line, linetoset);
}

void TPrinter::setfooterline (int linetoset, const TPrintrow& line)
{
  TPrintrow *p = new TPrintrow (line);
  setfooterline (linetoset, p);
}

void TPrinter::resetheader ()
{
  _header.destroy ();
  _headersize = 0;
}

void TPrinter::resetfooter ()
{
  _footer.destroy ();
  // _footersize = 0;
}

// @doc EXTERNAL

// @mfunc Metodo base per la stampa
//
// @rdesc Ritorna il risulato della stampa:
//
// @flag TRUE | Se la stampa ha avuto successo
// @flag FALSE | Se la stampante non e' attiva
bool TPrinter::printrow(
  TPrintrow* rowtoprint) // @parm Riga da stampare

  // @comm Se la pagina logica corrente e' precedente alla prima pagina logica o successiva
  //     all'ultima pagina logica viene ritornato TRUE.
{
  if (!isopen ())
    return FALSE;

  if (_currentpage < _frompage || _currentpage > _topage)
    return TRUE;

  TString rw (rowtoprint == NULL ? "" : (_printertype == screenvis || _printertype == winprinter || 
                                         _printertype == export ? 
                                         rowtoprint->row_codified () :
                                         rowtoprint->row ()));
  rw.rtrim ();

  int lun = rw.len ();
  int idx;
  
  if (_printertype != export)
  {
    for (idx = 0; idx < lun; idx++)
    {
      if (rw[idx] == '@') // gestione data e n. di pagina      
      {
        switch (rw[idx + 1])
        {
        case '#':
          rw.overwrite (format("%-5u", _currentpage), idx++);
          break;
        case '>':
          rw.overwrite (format("%10s",_date.string (full)), idx++);
          break;
        case '<':
          rw.overwrite (format("%8s",_date.string (brief)), idx++);
          break;
        default:
          break;
        }
      }
    }
  }

  if (_printertype == screenvis)
  {
    if (!_vf->frozen ())
      _vf->add_line(rw);
    else
      _frozen = TRUE;
    return TRUE;
  }

  if (_printertype == winprinter || _printertype == export)
  {
    // add line to txt
    if (!_frozen)
      _txt.append(rw);
    return TRUE;
  }

  if (_printertype == fileprinter)
  {
    // add line to txt
    if (!_frozen)
      _txt.append (rw);
    return TRUE;
  }

  return TRUE;
}

word TPrinter::rows_left() const
{
  word left = _formlen - _currentrow - _footersize + 1;
  if (_currentrow < 2)
    left -= _headersize;
  return left;
}

// @doc EXTERNAL

// @mfunc Permette di stampare una riga
//
// @rdesc Ritorna il risultato della stampa:
//
// @flag TRUE | Se la stampa ha avuto successo
// @flag FALSE | Se non e' riuscito ad effettuare la stampa
bool TPrinter::print(
  TPrintrow& rowtoprint)        // @parm Riga da stampare

  // @comm Nel caso la riga non ci stia nella pagina logica corrente vengono stampanti il footer
  //     della pagina corrente e l'header della successiva prima prima della stampa della riga
  //     vera e propria.
{
  bool ok = TRUE;

  if (!(_printertype == export && !_export_header))
  {
    if (_currentrow > _formlen - _footersize)
      ok = printfooter ();

    if (ok && _currentrow == 1)
      ok = printheader();
  }
  if (ok)
  {
    ok = printrow(&rowtoprint);
    _currentrow++;
  }

  return ok;
}

bool TPrinter::printheader()
{
  if (_headerhandler)
    _headerhandler(*this);

  bool ok = TRUE;
  for (int i = 0; i < _headersize && ok; i++)
    ok = printrow(getheaderline(i));

//  _currentrow = _headersize + 1;
  _currentrow = i+1;
  
  return ok;
}

bool TPrinter::printfooter()
{
  if (_footerhandler)
    _footerhandler (*this);

  bool ok = TRUE;
  for (int i = 0; i < _footersize && ok; i++)
    ok = printrow(getfooterline(i));

  _currentrow = 1;
  _currentpage++;

  return ok;
}

// @doc EXTERNAL

// @mfunc Permette di settare il tipo di fincatura
void TPrinter::set_fink_mode(
  bool f)      // @parm Indica il tipo di fincatura:
  //
  // @flag TRUE | Fincatura di tipo grafico
  // @flag FALSE | Fincatura di tipo testo

  // @comm Viene prima controllato che la stampante supporti la modalita' grafica,
  //       in tal caso, se viene impostato il flag a TRUE e la stampante e' generica
  //       oppure non ha il flag di stampa elementi grafici attivato, la fincatura sara'
  //       in modo testo.
{
  _fink_mode = f;
  if (_fink_mode && (is_generic() || !_isgraphics)) 
    _fink_mode = FALSE;
}

// @doc EXTERNAL

// @mfunc Permette di saltare alcune righe dalla posizione corrente
//
// @rdesc Ritorna il risulato dell'operazione:
//
// @flag TRUE | Se e' riuscito a saltare le righe
// @flag FALSE | Se non e' riuscito a saltare le righe
bool TPrinter::skip(
  int linestoskip)      // @parm Vengono accettati solo valori positivi

  // @xref <mf TPrinter::jump>
{
  CHECK (linestoskip >= 0, "Linestoskip can't be negative");
  int jumpline = _currentrow + linestoskip;
  return jump(jumpline);
}

// @doc EXTERNAL

// @mfunc Permette di saltare alla riga indicata
//
// @rdesc Ritorna il risultato dell'operazione
//
// @flag TRUE | Se e' riuscito a saltare alla riga
// @flag FALSE | Se non e' riuscito a saltare alla riga o se viene inserito un formfeed
bool TPrinter::jump(
  int jumpline) // @parm Numero della riga a cui saltare nella stampa. Vengono accettai
  //     solo valori positivi

  // @comm Nel caso si cerchi di saltare ad una riga superiore alla lunghezza della pagina attiva
  //     viene inserito un formfeed.

  // @xref <mf TPrinter::skip>
{
  int i = 0;
  bool ok = TRUE;

  CHECK (jumpline >= 0, "Jumpline can't be negative");
  if (jumpline > _formlen - _footersize)
    ok = formfeed();
  else
    for (i = _currentrow; i < jumpline; i++)
      if (!printrow())
        ok = FALSE;
  if (jumpline > _formlen - _footersize)
    ok = FALSE;
  return ok;
}

bool TPrinter::formfeed()
{
  const int lastrow = _formlen - _footersize;
  for (; _currentrow + _export_header_len <= lastrow; _currentrow++)
    printrow();
  return printfooter();
}

void TPrinter::reset()
{
  resetheader();
  resetfooter();
  _currentpage = 1;
  _currentrow  = 1;
}

bool TPrinter::open()
{
  TToken_string pn2; os_get_printer_names(pn2); // get printer names
  TString pdev(pn2.get(_curprn));               // Nome stampante corrente
  os_set_default_printer(pdev);

  if (_printertype == screenvis)
  { 
    CHECK(_vf == NULL, "Print preview already open");
    _vf = new TViswin (NULL, "Anteprima di stampa", TRUE, TRUE,
                       _linksdescr.items () > 0);
    _vf->open_modal ();
  }
  else 
  {
    if (_printertype == winprinter || _printertype == export || _printertype == fileprinter)
    {
      // prepare text object for new text
      _txt.destroy();
      _txt.interactive(FALSE);
        
      if (isfax())
        start_fax_server();
    }
  }  

  _currentrow = 1;
  _currentpage = 1;

  return _isopen = TRUE;
}


bool TPrinter::set()
{
  main_app().disable_menu_item (M_FILE_PG_SETUP);
                  
  TMask mask("bagn001a");
  
  TToken_string pn1(50);
  int i;

  mask.set(MSK_FILENAME, _printerfile);
  mask.set(MSK_NPAGES, _ncopies);
  
  const bool can_save = _config == "Printer";
  mask.enable(DLG_OK, can_save);
//  mask.enable(DLG_SAVEREC, can_save);

  TToken_string pn2; os_get_printer_names(pn2);             

  TString old_default;
  os_get_default_printer(old_default);
  
  const int np = pn2.items();
  for (i = 0; i < np; i++)
    pn1.add(i);                                

  TList_field& plst = (TList_field&)mask.field (MSK_PRINTERS);
  plst.replace_items(pn1, pn2);                // Genera printer list

  mask.set(MSK_PRINTERS, _curprn);     // Genera font list
  set_windows_print_device(mask.field(MSK_PRINTERS), K_TAB);

  mask.set(MSK_FONT, _fontname);       // Genera size list
  font_handler(mask.field(MSK_FONT),K_TAB);
  
  mask.set(MSK_SIZE, _ch_size);
  mask.set(MSK_LINES, _lines_per_inch);
  mask.set(MSK_ISGRAPHICS, _isgraphics ? "X" : "");

  mask.set_handler (MSK_PRINTERS, set_windows_print_device);
  mask.set_handler (MSK_FONT, font_handler);
  
  if (!_multiple_copies) 
    mask.hide(MSK_NPAGES);
  
  if (_printertype == fileprinter)
    mask.set (MSK_TYPE, "1");
  else if (_printertype == screenvis)
    mask.set (MSK_TYPE, "2");
  else
    mask.set (MSK_TYPE, "0");

  const int oldprn = _curprn;  
  s_printrcd * rcd = get_printrcd();
  
  TString oldrcd(_print_rcd_size);
  memcpy((char *) (const char *) oldrcd, rcd, _print_rcd_size);
  
  KEY k;                   
  while ((k = mask.run ()) != K_ESC && k != K_ENTER && k != K_INS)
  {
    if (k == DLG_SETPRINT)
    {
      // l'handler setta default di windows a quella nel listbox e ribecca l'rcd
      if (xvt_dm_post_page_setup(get_printrcd()))
      {                         
        // Ricarica la lista delle stampanti (L'utente puo' aggiungerne!)
        os_get_printer_names(pn2);
        pn1.cut(0);
        int i = 0;
        FOR_EACH_TOKEN(pn2, tok)
          pn1.add(i++);                                
        plst.replace_items(pn1, pn2);                // Genera printer list
      
        // see if user has changed printer
        // determine index of currently selected printer 
        // ACTHUNG! Deep hacking of XVT internals! NON PORTABLE!
        
        const char* name = (const char *)(get_printrcd() + 4);
        _curprn = pn2.get_pos(name);
        if (*name == '\0' || _curprn < 0)
        {
          NFCHECK("Can't find printer '%s'", name); 
          _curprn = oldprn;
        }
        
        mask.set(MSK_PRINTERS, pn1.get(_curprn));    
        //        set_win_formlen();                          // Update dimensions
      }
      else
        beep ();    
    }
  }

  if (k == K_ESC)
  {
    // riaggiusta stampante default windows come prima  
    // curprn e rcd sono quelle di prima
    main_app().enable_menu_item(M_FILE_PG_SETUP);
    os_set_default_printer(old_default);
    _curprn = oldprn;
    s_printrcd * rcd = get_printrcd();
    memcpy(rcd, (const char *) oldrcd, _print_rcd_size);
    init_formlen();
    return FALSE;
  }

  _curprn = atoi(mask.get(MSK_PRINTERS));
  _ncopies = atoi (mask.get (MSK_NPAGES));

  switch (atoi (mask.get (MSK_TYPE)))
  {
  case 0:                       // stampante
    _printertype = winprinter;
    break;
  case 1:                       // file
    _printertype = fileprinter;
    _printerfile = mask.get (MSK_FILENAME);
    _curcode = atoi (mask.get (MSK_CODES));
    break;
  case 2:                       // video
    _printertype = screenvis;
    _curcode = 0;
    break;
  }

  _fontname = mask.get(MSK_FONT);
  
  const int cs = mask.get_int(MSK_SIZE);
  if (cs > 4) _ch_size = cs;

  _lines_per_inch = mask.get_int (MSK_LINES);
  _isgraphics = mask.get_bool (MSK_ISGRAPHICS);
  init_formlen ();

  if (k == K_INS)
    save_configuration();

  main_app().enable_menu_item (M_FILE_PG_SETUP);
  
  return TRUE;
}


// @doc EXTERNAL

// @mfunc Inserisce un file di export fatto da un'altra printer 
void TPrinter::merge_export_file(
  const char* file, 
  bool header)  // @parm Indica se gli header sono presenti nel file:
  //
  // @flag TRUE | Gli header sono nel file e quindi non vengono stampanti (default)
  // @flag FALSE | Gli header non sono nel file e quindi vengono stampanti

  // @comm Vengono inseriti nel file di export i formati e tutto il resto. Vengono ignorati gli
  //     header supponendo che siano gia' presenti nel file
{
  TTextfile txt(file); 
  
  for (long i = 0; i < txt.lines(); i++)
  {
    TPrintrow* p = new TPrintrow();  
    p->put(txt.line_formatted(i));
    if (header) printrow(p);  
    else        print(*p);   
  }              
}

// @doc EXTERNAL

// @mfunc Crea un segnalibro
//
// @rdesc Ritorna l'identificatore del segnalibro creato
int TPrinter::set_bookmark(
  const char* txt,      // @parm Nome del segnalibro da creare
  int father)           // @parm Identificatore del segnalibro padre a cui collegare quello 
  //     da creare
{                                                     
  if (_printertype == screenvis)
  {
    BkDef* bkd = new BkDef;
    
    bkd->_row       = (_currentrow + ((_currentpage - 1)*_formlen)) - 1;
    bkd->_father_id = father;
    bkd->_id        = _bookmarks.items() + 1;
    bkd->_txt       = txt;
    
    _bookmarks.add(bkd);
    
    return _bookmarks.items();
  }
  return 0;
}


void TPrinter::print_txt(TTextfile& txt)
{
  if (txt.lines() > 0)
  {
    PrintWhat._txt = &txt;
    PrintWhat._p = this;
    xvt_print_open();
    xvt_print_start_thread(start_print, (long) (&PrintWhat));
    xvt_print_close();
  }  
}


void TPrinter::close ()
{
  if (isopen() && // la stampante era aperta e 
      _currentrow >1 && // .. ho stampato qualcosa ...
        _footersize>0 ) // ... c'è footer da stampare
    formfeed();

  if (_fp)
  {
    fclose (_fp);
    _fp = NULL;
  }

  if (_printertype == screenvis)
  {
    _vf->close_print();
    const KEY key = _vf->run ();
    if (_vf->is_open ()) _vf->close_modal ();  
    _bookmarks.destroy();   
    
    if (key == K_CTRL+'S')
    {
      _isopen = FALSE;
      _currentrow = _currentpage = 1;
      print_txt(_vf->text());
    }

    delete _vf; _vf = NULL;
  }
  else if (_printertype == export)
  {                          
    if (_exportfile.not_empty() && _txt.lines() > 0L)
    {
      ofstream txt((const char*)_exportfile); 
      for (long i = 0; i < _txt.lines(); i++)
        txt << _txt.line_formatted(i) << '\n';
      txt.close();
    }
  }
  else if (_printertype == winprinter && _txt.lines() > 0L)
  {     
    print_txt(_txt);
    if (is_generic())
      os_spool_row("\n");  // Force flushing on Generic printer
    os_set_default_printer(_defPrinter);
  }
  else if (_printertype == fileprinter)
  {
    FILE* fp = fopen(_printerfile, _appendfile ? "a" : "w"); 
    if (fp == NULL)
    {
      error_box("Impossibile aprire il file %s", (const char*)_printerfile); 
      return; 
    }
    for (long i = 0; i < _txt.lines(); i++)
      fprintf(fp,"%s\n", _txt.line(i));
    fclose(fp);
    message_box("Stampa su file terminata. Nome archivio: %s",(const char *)_printerfile);
  }
  
  if (_finker) 
  {
    delete _finker;
    _finker = NULL;
  }
  
  // Dealloca sfondi ormai inutili
  _backgrounds.destroy();
  freeze (FALSE);             
  _isopen = FALSE;
}

//  
// TFile_printer
// 

#include <bagn004.h>

const long disk_sizes[] = { 360000L, 1200000L, 720000L, 1400000L, 2880000L };

TFile_printer::TFile_printer (const char *ffile, const char *label, int len_rec, int num_rec_inizio, int num_rec_fine, int tipo_disco)
{
  set_printtype (fileprinter);

  _num_rec_testa_coda = num_rec_inizio + num_rec_fine;
  _file = ffile;
  _label = label;
  _len_rec = len_rec;
  _volume = 1;
  _size = disk_sizes[tipo_disco];
  _num_rec_volume = int ((_size / len_rec) - _num_rec_testa_coda);
  _nome_file_fissato = TRUE;
  _label_fissata = TRUE;
}

void TFile_printer::open()
{
}

void TFile_printer::close ()
{
}

bool TFile_printer::genera_dischetti ()
{
  int r;

  for (int i = 0; i < _tmp_files.items (); i++)
  {
    // Avvisa l'utente di inserire un dischetto
    r = yesno_box ("Inserire il dischetto n. %2d di %2d nel drive %2s",
                   i + 1, _volume, _drive);
    if (!r)
      return error_box ("Procedura interrotta!");

    // copia il file sul dischetto
    fcopy ((const char *) &_tmp_files[i], (const char *) _drive);
  }
  return TRUE;
}

TFile_printer::~TFile_printer ()
{
}

bool TFile_printer::set ()
{
  TMask m ("bagn004");
  int f;

  //
  // 
  // --------------------------------------------------------------------
  // Qui bisogna inserire la lista dei drive disponibili nella maschera
  // Per ora tale lista e' fissa e contiene solo A: e B:
  // --------------------------------------------------------------------
  // 
  // 

  m.set (F_FILE_DESTINAZIONE, _file);
  m.set (F_LABEL, _label);

  if (_nome_file_fissato)
    m.disable (F_FILE_DESTINAZIONE);

  if (_label_fissata)
    m.disable (F_LABEL);

  const bool ok = m.run () == K_ENTER;

  if (ok)
  {
    f = atoi(m.get(F_FORMATO_DISCO));
    _drive = m.get(F_DRIVE);
    _file = m.get(F_FILE_DESTINAZIONE);
    _label = m.get(F_LABEL);
    _size = disk_sizes[f];
    _num_rec_volume = int ((_size / _len_rec) - _num_rec_testa_coda);
  } 
  
  return ok;
}
 
const char* TPrinter::background_chars(int l) const 
{ 
  return _finker == NULL ? "" : _finker->get_chars(l); 
}

///////////////////////////////////////////////////////////
// Calcolo dimensione font
///////////////////////////////////////////////////////////

struct font_data
{ 
  TString _name;
  int     _size;
  int     _columns;
};

BOOLEAN XVT_CALLCONV1 calc_font_callback(long data)
{
  font_data& fd = *(font_data*)data;
  
  // Create print window
  WINDOW win = xvt_print_create_win(printer().get_printrcd(), "Calcolo font");
  
  if (win != NULL_WIN)
  {
    long pw, ph, phr, pvr; // Printer width, height, horizontal and vertical resolution
    xvt_app_escape (XVT_ESC_GET_PRINTER_INFO, printer().get_printrcd(), &ph, &pw, &pvr, &phr);
  
    TString test(fd._columns);
    test.fill('M', fd._columns);
    for (int size = fd._size; size > 0; size--)
    {
      // Set print font
      xvt_set_font(win, fd._name, XVT_FS_NONE, size);

      const int w = xvt_dwin_get_text_width(win, (char*)(const char*)test, fd._columns);
      if (w <= pw)
        break;
    }
    
    if (size > 0)
      fd._size = size;  
      
    xvt_vobj_destroy(win);
  } 
  
  return win != NULL_WIN;
}

int TPrinter::calc_font_size(int columns) const
{ 
  font_data fd;
  fd._name = fontname();
  fd._size = get_char_size();           
  fd._columns = columns;
  
  xvt_print_open();
  xvt_print_start_thread(calc_font_callback, (long)&fd);
  xvt_print_close();
  
  return fd._size;
}

 
///////////////////////////////////////////////////////////
// Gestione fax
///////////////////////////////////////////////////////////

bool TPrinter::start_fax_server() const
{
  TDDE dde;
  return dde.execute("EASYFAX", "FAX", "", "bafax");
}

void TPrinter::close_fax_server() const
{           
  TDDE dde;
  const bool running = dde.initiate("EASYFAX", "FAX");
  if (running)
    dde.execute("[FileClose]");
}

bool TPrinter::send_fax(const char* tipo, const char* codice)
{
  bool ok = isopen() && isfax();
  if (ok)
  {
    if (tipo && codice)
    {
      TString cmd;
      cmd << "[SetRecipient(" << tipo << ',' << codice << ")]";

      TDDE dde;
      dde.execute("EASYFAX", "FAX", cmd, "bafax");    
    }
    close();  // termina la stampa corrente e la spedisce
    open();   // riapre la stampante
  }
  return ok;
}