コード例 #1
0
ファイル: vmgros2.c プロジェクト: Eric-Schnipke/snippets
void vm_horizline(char x1, char x2, char row, char attr, char ch)
{
    char cell[2];
    cell[0] = ch;
    cell[1] = attr;
    VioWrtNCell((PBYTE) &cell, (USHORT) (x2 - x1 + 1), (USHORT) (row - 1), (USHORT) (x1 - 1), 0);
}
コード例 #2
0
ファイル: os2vio.c プロジェクト: martinwguy/xvi
void
erase_display()
{
    curcell[1] = defscr.pv_colours[VSCcolour];
    curcell[0] = ' ';
    VioWrtNCell((PBYTE) curcell, Rows * Columns, 0, 0, 0);
}
コード例 #3
0
ファイル: MOREVIO.C プロジェクト: OS2World/UTIL-FILE-AIXLIKE
/*--------------------------------------------------------------------------*
 *  clear_eol                                                               *
 *                                                                          *
 *--------------------------------------------------------------------------*/
void clear_eol(int row, int col, struct window_parms *wp)
{
   int rc, acol, arow;

   acol = wp->left_col + col;
   arow = wp->top_row + row;
   if (rc = VioWrtNCell(wp->clearcell, wp->display_cols - col, arow, acol, (HVIO)0))
     printf("Failed clearing EOL (%d, %d) rc = %d\n", arow, acol, rc);
}
コード例 #4
0
ファイル: util.c プロジェクト: OS2World/APP-COMM-ComScope
VOID ClearScreen(THREAD *pstThd)
  {
  VIOCELL Cell;
  VIOPS *pVio = &pstThd->stVio;
  BYTE byBackground;
  BYTE byForeground;


  byBackground = ClrTable[pVio->wBackground].PSClr;
  byForeground = ClrTable[pVio->wForeground].PSClr;


  /*
  ** Set foreground and background colors in ANSI, so that the
  ** VioWrtTTY function will pick up the correct colors.
  */
  chAnsi[ANSI_FORE] = QueryAnsiClr(byForeground);
  chAnsi[ANSI_BACK] = QueryAnsiClr(byBackground);
  VioSetAnsi (ANSI_ON,pVio->hpsVio);
  VioWrtTTY( (PCH)chAnsi,sizeof(chAnsi),pVio->hpsVio);
  if (!pstThd->stCfg.bEnableAnsi)
    VioSetAnsi (ANSI_OFF,pVio->hpsVio);

  /*
  ** Set Presentation Space to a known state - full of spaces.
  */
  Cell.vc      = ' ';
  Cell.ExtAttr = Cell.Spare = 0;
  Cell.Attr    =  (byBackground << 4) | byForeground;
  VioWrtNCell((PBYTE)&Cell,pVio->usPsWidth * pVio->usPsDepth,0,0,pVio->hpsVio);
  VioSetOrg(0,0,pVio->hpsVio);
  VioSetCurPos(0,0,pVio->hpsVio);

  /*
  ** Zero the scroll bars.
  */
  WinSendMsg(WinWindowFromID(pstThd->hwndFrame,FID_VERTSCROLL),
             SBM_SETPOS,
             MPFROMSHORT(0),
             MPFROMSHORT(0));

  WinSendMsg(WinWindowFromID(pstThd->hwndFrame,FID_HORZSCROLL),
             SBM_SETPOS,
             MPFROMSHORT(0),
             MPFROMSHORT(0));

  WinSendMsg(WinWindowFromID(pstThd->hwndFrame,FID_VERTSCROLL),
              SBM_SETTHUMBSIZE,
              MPFROM2SHORT(pVio->usWndWidth,pVio->usPsWidth),
              (MPARAM)NULL);

  WinSendMsg(WinWindowFromID(pstThd->hwndFrame,FID_HORZSCROLL),
              SBM_SETTHUMBSIZE,
              MPFROM2SHORT(pVio->usWndDepth,pVio->usPsDepth),
              (MPARAM)NULL);

  }
コード例 #5
0
ファイル: vmgros2.c プロジェクト: Eric-Schnipke/snippets
void vm_paintclearbox(char x1, char y1, char x2, char y2, char attr)
{
    char y, cell[2];
    cell[0] = ' ';
    cell[1] = attr;
    for (y = y1; y <= y2; y++)
    {
        VioWrtNCell((PBYTE) &cell, (USHORT) (x2 - x1 + 1), (USHORT) (y - 1), (USHORT) (x1 - 1), 0);
    }
}
コード例 #6
0
ファイル: os2vio.c プロジェクト: martinwguy/xvi
void
outchar(int c)
{
    curcell [0] = c;
    VioWrtNCell((PBYTE) curcell, 1, virt_row, virt_col, 0);
    if (++virt_col >= Columns) {
	virt_col -= Columns;
	if (++virt_row >= Rows)
	    virt_row = Rows - 1;
    }
}
コード例 #7
0
ファイル: guivio.c プロジェクト: OS2World/APP-EDITOR-elvis
static void
vio_CE (VCOLOR color)
{
  CHAR cell[2];

  if (c_col < o_ttycolumns)
    {
      cell[0] = ' ';
      cell[1] = color;
      VioWrtNCell (cell, o_ttycolumns - c_col, c_row, c_col, 0);
    }
}
コード例 #8
0
ファイル: uicurs.c プロジェクト: Azarien/open-watcom-v2
void UIAPI uioncursor( void )
/****************************/
{
    CHAR                CharCellPair[2];
    VIOCURSORINFO       vioCursor;


    VioGetCurType( &vioCursor, 0 );
    if( UIData->cursor_type == C_INSERT ) {
        vioCursor.yStart = vioCursor.cEnd / 2;
    } else {
        vioCursor.yStart = (vioCursor.cEnd * 7) / 8;
    }
    vioCursor.cx = 1;
    vioCursor.attr = 1;

    VioSetCurType(&vioCursor, 0);


    /* set cursor position */

    VioSetCurPos( UIData->cursor_row, UIData->cursor_col, 0);

    if( UIData->cursor_attr != -2 ) {
    /* get current character and attribute */

        VioGetCurPos( &r, &c, 0 );
        length = sizeof(CharCellPair);
        VioReadCellStr(&CharCellPair[0],
                       &length,
                       UIData->cursor_row,
                       UIData->cursor_col,
                       0);

        /* write out the character and the new attribute */
        CharCellPair[1] = UIData->cursor_attr;
        VioWrtNCell((PBYTE)&CharCellPair[0],
                    24,
                    UIData->cursor_row,
                    UIData->cursor_col,
                    0);

    }
    UIData->cursor_on = true;
}
コード例 #9
0
ファイル: vmgremx.c プロジェクト: Eric-Schnipke/snippets
void vm_horizline(char x1, char x2, char row, char attr, char ch)
{
    if (_osmode == DOS_MODE)
    {
        char x;
        for (x = x1; x <= x2; x++)
        {
            vm_xputch(x, row, attr, ch);
        }
    }
    else
    {
        char cell[2];
        cell[0] = ch;
        cell[1] = attr;
        VioWrtNCell((PBYTE) &cell, (USHORT) (x2 - x1 + 1), (USHORT) (row - 1), (USHORT) (x1 - 1), 0);
    }
}
コード例 #10
0
ファイル: vmgremx.c プロジェクト: Eric-Schnipke/snippets
void vm_paintclearbox(char x1, char y1, char x2, char y2, char attr)
{
    if (_osmode == DOS_MODE)
    {
        char x, y;
        for (y = y1; y <= y2; y++)
        {
            for (x = x1; x <= x2; x++)
            {
                vm_xputch(x, y, attr, ' ');
            }
        }
    }
    else
    {
        char y, cell[2];
        cell[0] = ' ';
        cell[1] = attr;
        for (y = y1; y <= y2; y++)
        {
            VioWrtNCell((PBYTE) &cell, (USHORT) (x2 - x1 + 1), (USHORT) (y - 1), (USHORT) (x1 - 1), 0);
        }
    }
}
コード例 #11
0
ファイル: con_os2.cpp プロジェクト: AaronDP/efte_adbshell
int ConSetBox(int X, int Y, int W, int H, TCell Cell) {
  int I;
  int MX, MY;
  int MouseHidden  = 0;
  unsigned char *p = (unsigned char *)&Cell;

  if (MouseVisible) ConQueryMousePos(&MX, &MY);

  for (I = 0; I < H; I++) {
    if (MouseVisible)
      if (Y + I == MY)
        if ((MX >= X) && (MX < X + W)) {
          DrawMouse(0);
          MouseHidden = 1;
        }
          VioWrtNCell((PCH)p, (USHORT)(W), (USHORT)(Y + I), (USHORT)X, 0);

    if (MouseHidden) {
      DrawMouse(1);
      MouseHidden = 0;
    }
  }
  return 0;
}
コード例 #12
0
ファイル: wrap.c プロジェクト: ErisBlastar/osfree
USHORT __pascal VIOWRTNCELL(const PBYTE Cell, const USHORT Count, const USHORT Row, const USHORT Column, const HVIO Handle)
{
  return VioWrtNCell(Cell, Count, Row, Column, Handle);
}
コード例 #13
0
int EnterLine (char *buf,ULONG len,USHORT y,char *filename,
               char **choices,int numc,int start) {

  ULONG         pos = 0,c,nm,numchars = 0,tpos,wl;
  APIRET        rc;
  int           key,attr = ((7 << 4) << 8) | ' ',ret = 0;
  BOOL          okay = TRUE,insert = TRUE,lasttab = FALSE;
  char         *sav,*k = NULL,*p;
  static char   keybuf[1026];
  USHORT        t;
  FILEFINDBUF3  fb3;
  HDIR          hdir = HDIR_CREATE;

  wl = 0;

  sav = malloc(vio.col * 2);
  if(!sav) {
    DosBeep(50,100);
    *buf = 0;
    return -1;
  }

  ThreadMsg(" ");

  t = vio.col * 2;
  VioReadCellStr(sav,&t,y,0,0);
  VioWrtNCell((char *)&attr,vio.col,y,0,0);
  ShowCursor(FALSE);
  VioSetCurPos(y,0,0);

  for(c = 0;c < len - 1;c++) {          /* find end of default string */
    if(!buf[c])
      break;
  }
  pos = c;
  for(;c < len - 1;c++)                 /* space-pad remainder of buf */
    buf[c] = ' ';

  while(okay) {
    /* assure buffer is null terminated (cluck, cluck) */
    buf[len - 1] = 0;

    /* assure pos hasn't gone past our limit */
    if(pos > len - 1)
      pos = len - 1;

    /* set left side of entry field */
    if(pos < wl)
      wl = pos;
    if(pos >= wl + vio.col)
      wl = (pos - vio.col) + 1;

    /* set cursor position */
    VioSetCurPos(y,pos - wl,0);

    /* display buf */
    tpos = min(vio.col,len - wl); /* max length of displayable text */
    VioWrtCharStr(buf + wl,tpos,y,0,0); /* show text */
    if(tpos < vio.col)                  /* space-pad? */
      VioWrtNChar(" ",vio.col - tpos,y,tpos,0);

    if(k && *k)   /* "macros" waiting to be entered? */
      key = *k++; /* yep, skip keyboard input */
    else {        /* nope, go to the keyboard */
      k = NULL;   /* clear macro pointer */
      key = get_ch(-1);
    }

    switch(key) {
      case 256:       /* shiftstate changed -- ignore */
        break;

      case '\r':      /* accept input */
        okay = FALSE;
        break;

      case 45 | 256:
      case 61 | 256:
      case '\x1b':    /* Escape -- exit editor */
        memset(buf,' ',len - 1);
        buf[len - 1] = 0;
        okay = FALSE;
        ret = -1;
        break;

      case '\b':
        if(pos) {
          pos--;
          memmove(buf + pos,buf + (pos + 1),len - (pos + 1));
          buf[len - 2] = ' ';
        }
        lasttab = FALSE;
        break;

      case 25:          /* ctrl+y -- clear input */
        VioWrtNCell((char *)&attr,vio.col,y,0,0);
        memset(buf,' ',len - 1);
        buf[len - 1] = 0;
        wl = pos = 0;
        lasttab = FALSE;
        break;

      case 59 | 256:    /* F1 -- insert directory */
        k = directory;
        lasttab = FALSE;
        break;

      case 60 | 256:    /* F2 -- insert filename */
        if(filename)
          k = filename;
        lasttab = FALSE;
        break;

      case 62 | 256:    /* F4 -- insert target */
        k = target;
        lasttab = FALSE;
        break;

      case 15:          /* shift+tab */
        if(hdir != (HDIR)HDIR_CREATE) {
          DosFindClose(hdir);
          hdir = HDIR_CREATE;
          lasttab = FALSE;
        }
        /* intentional fallthru */
      case 9:           /* tab -- auto-complete */
        if(!pos || pos >= len - 1)
          break;
        if(lasttab && numchars) {
          lasttab = FALSE;
          for(tpos = 0;tpos < numchars;tpos++)
            keybuf[tpos] = '\b';
          keybuf[tpos++] = '\01';
          keybuf[tpos] = 0;
          numchars = 0;
          k = keybuf;
          break;
        }
        else {
          if(hdir != (HDIR)HDIR_CREATE)
            DosFindClose(hdir);
          hdir = HDIR_CREATE;
        }
        /* intentional fallthru */
      case 1:           /* cheat! */
        k = NULL;
        if(!pos || pos >= len - 1)
          break;
        tpos = pos - 1;
        while(tpos && buf[tpos] != ' ')
          tpos--;
        if(buf[tpos] == ' ')
          tpos++;
        strcpy(keybuf,buf + tpos);
        tpos = 0;
        while(keybuf[tpos] && keybuf[tpos] != ' ')
          tpos++;
        keybuf[tpos] = 0;
        lstrip(rstrip(keybuf));
        if(*keybuf) {
          strcat(keybuf,"*");
          nm = 1;
          if(hdir == (HDIR)HDIR_CREATE)
            rc = DosFindFirst(keybuf,
                              &hdir,
                              FILE_NORMAL    | FILE_HIDDEN   | FILE_SYSTEM |
                              FILE_DIRECTORY | FILE_ARCHIVED | FILE_READONLY,
                              &fb3,
                              sizeof(fb3),
                              &nm,
                              FIL_STANDARD);
          else
            rc = DosFindNext(hdir,&fb3,sizeof(fb3),&nm);
          if(!rc) {
            while((fb3.attrFile & FILE_DIRECTORY) &&
                  (*fb3.achName == '.' && (!fb3.achName[1] ||
                                           (fb3.achName[1] == '.' &&
                                            !fb3.achName[2])))) {
              nm = 1;
              if(DosFindNext(hdir,&fb3,sizeof(fb3),&nm)) {
                DosFindClose(hdir);
                hdir = HDIR_CREATE;
                *fb3.achName = 0;
                break;
              }
            }
            if(*fb3.achName) {
              keybuf[strlen(keybuf) - 1] = 0;
              p = strchr(keybuf,'\\');
              if(p)
                p++;
              else
                p = keybuf;
              tpos = 0;
              while(*p && fb3.achName[tpos] &&
                    toupper(*p) == toupper(fb3.achName[tpos])) {
                p++;
                tpos++;
              }
              if(fb3.achName[tpos]) {
                strcpy(keybuf,fb3.achName + tpos);
                numchars = strlen(keybuf);
                lasttab = TRUE;
                k = keybuf;
              }
              else if(hdir != (HDIR)HDIR_CREATE) {
                DosFindClose(hdir);
                hdir = HDIR_CREATE;
              }
            }
          }
          else if(hdir != (HDIR)HDIR_CREATE) {
            DosBeep(50,50);
            DosFindClose(hdir);
            hdir = HDIR_CREATE;
          }
        }
        break;

      case 83 | 256:    /* delete */
        memmove(buf + pos,buf + (pos + 1),len - (pos + 1));
        buf[len - 2] = ' ';
        lasttab = FALSE;
        break;

      case 82 | 256:    /* insert */
        insert = (insert) ? FALSE : TRUE;
        break;

      case 71 | 256:    /* home */
        wl = pos = 0;
        lasttab = FALSE;
        break;

      case 79 | 256:    /* end */
        pos = len - 2;
        while(pos && buf[pos] == ' ')
          pos--;
        if(pos && buf[pos] != ' ')
          pos++;
        lasttab = FALSE;
        break;

      case 75 | 256:    /* left */
        if(pos)
          pos--;
        lasttab = FALSE;
        break;

      case 77 | 256:    /* right */
        if(pos < len - 1)
          pos++;
        lasttab = FALSE;
        break;

      case 72 | 256:    /* up */
        lasttab = FALSE;
        if(choices) {
          if(choices[start]) {
            VioWrtNCell((char *)&attr,vio.col,y,0,0);
            memset(buf,' ',len - 1);
            buf[len - 1] = 0;
            wl = pos = 0;
            k = choices[start];
            start++;
            while(start < numc && !choices[start])
              start++;
            if(start > (numc - 1))
              start = 0;
            if(!choices[start]) {
              while(start < numc && !choices[start])
                start++;
            }
            if(start > (numc - 1))
              start = 0;
          }
        }
        break;

      case 80 | 256:    /* down */
        lasttab = FALSE;
        if(choices) {
          if(choices[start]) {
            VioWrtNCell((char *)&attr,vio.col,y,0,0);
            memset(buf,' ',len - 1);
            buf[len - 1] = 0;
            wl = pos = 0;
            k = choices[start];
            start--;
            while(start >= 0 && !choices[start])
              start--;
            if(start < 0)
              start = numc - 1;
            if(!choices[start]) {
              while(start >= 0 && !choices[start])
                start--;
            }
            if(start < 0)
              start = numc - 1;
          }
        }
        break;

      case 115 | 256:   /* ctrl+left */
        while(pos && buf[pos] == ' ')
          pos--;
        while(pos && buf[pos] != ' ')
          pos--;
        lasttab = FALSE;
        break;

      case 116 | 256:   /* ctrl + right */
        while(pos < len - 1 && buf[pos] == ' ')
          pos++;
        while(pos < len - 1 && buf[pos] != ' ')
          pos++;
        lasttab = FALSE;
        break;

      default:
        if(pos < len - 1 && !(key & 256) && !iscntrl(key)) {
          if(insert) {
            if(pos < len - 2) {
              memmove(buf + (pos + 1),buf + pos,len - (pos + 2));
              buf[len - 2] = ' ';
            }
            buf[pos] = (char)key;
          }
          else
            buf[pos] = (char)key;
          pos++;
        }
        else if(pos >= len - 1)
          DosBeep(250,25);
        break;
    }
  }

  if(hdir != (HDIR)HDIR_CREATE)
    DosFindClose(hdir);

  ShowCursor(TRUE);
  VioWrtCellStr(sav,vio.col * 2,y,0,0);
  free(sav);
  SetupConsole();

  ThreadMsg(NULL);

  buf[len - 1] = 0;
  lstrip(rstrip(buf));
  return (ret) ? ret : strlen(buf);
}
コード例 #14
0
ファイル: os2vio.c プロジェクト: martinwguy/xvi
void
erase_line()
{
    curcell [0] = ' ';
    VioWrtNCell((PBYTE) curcell, Columns - virt_col, virt_row, virt_col, 0);
}
コード例 #15
0
int SimpleInput (char *title,char *text,ULONG beep,ULONG dur,ULONG wait,
                 int *responses) {

  char  *buf;
  int    xlen,key = 0,x;
  USHORT len = (vio.col * 7) * 2,start,mlen,cell;
  char   sattr = 8;
  BOOL   okay = TRUE;

  if(!title)
    title = "";
  if(!text)
    return key;
  xlen = min(max(strlen(title),strlen(text)),vio.col - 6);
  mlen = xlen + 6;
  start = (vio.col - xlen) / 2;

  buf = malloc(len);
  if(buf) {
    /* save screen under */
    VioReadCellStr(buf,&len,(vio.row / 2) - 2,0,0);
    /* draw borders */
    /* first, bright white left and top */
    cell = ((((7 | 8) << 4) | 7) << 8) | ' ';
    VioWrtNCell((char *)&cell,mlen,(vio.row / 2) - 2,start,0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) - 1,start,0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2),start,0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 1,start,0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 2,start,0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 3,start,0);
    /* now dark grey right and bottom */
    cell = (((8 << 4) | 7) << 8) | ' ';
    VioWrtNCell((char *)&cell,1,(vio.row / 2) - 1,start + (mlen - 1),0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2),start + (mlen - 1),0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 1,start + (mlen - 1),0);
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 2,start + (mlen - 1),0);
    VioWrtNCell((char *)&cell,mlen - 1,(vio.row / 2) + 3,start + 1,0);
    /* fill title area with light grey foreground, red background */
    cell = (((7 << 4) | 4) << 8) | ' ';
    VioWrtNCell((char *)&cell,mlen - 2,(vio.row / 2) - 1,start + 1,0);
    /* fill text area with light grey foreground, black background */
    cell = (((7 << 4) | 0) << 8) | ' ';
    VioWrtNCell((char *)&cell,mlen - 4,(vio.row / 2) + 1,start + 2,0);
    /* make interior border -- first white on light grey */
    cell = (((7 << 4) | (7 | 8)) << 8) | 'Ú';
    VioWrtNCell((char *)&cell,1,(vio.row / 2),start + 1,0);
    cell = (((7 << 4) | (7 | 8)) << 8) | '¿';
    VioWrtNCell((char *)&cell,1,(vio.row / 2),start + (mlen - 2),0);
    cell = (((7 << 4) | (7 | 8)) << 8) | 'Ä';
    VioWrtNCell((char *)&cell,mlen - 4,(vio.row / 2),start + 2,0);
    cell = (((7 << 4) | (7 | 8)) << 8) | '³';
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 1,start + 1,0);
    cell = (((7 << 4) | (7 | 8)) << 8) | 'À';
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 2,start + 1,0);
    /* now dark grey on light grey */
    cell = (((7 << 4) | 8) << 8) | 'Ä';
    VioWrtNCell((char *)&cell,mlen - 4,(vio.row / 2) + 2,start + 2,0);
    cell = (((7 << 4) | 8) << 8) | 'Ù';
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 2,start + (mlen - 2),0);
    cell = (((7 << 4) | 8) << 8) | '³';
    VioWrtNCell((char *)&cell,1,(vio.row / 2) + 1,start + (mlen - 2),0);

    /* insert title */
    VioWrtCharStr(title,
                  min(xlen,strlen(title)),
                  (vio.row / 2) - 1,
                  (start + (mlen / 2)) - (min(xlen,strlen(title)) / 2),
                  0);
    /* insert text */
    VioWrtCharStr(text,
                  min(xlen,strlen(text)),
                  (vio.row / 2) + 1,
                  (start + (mlen / 2)) - (min(xlen,strlen(text)) / 2),
                  0);
    /* draw shadow */
    VioWrtNAttr(&sattr,1,(vio.row / 2) - 1,start + mlen,0);
    VioWrtNAttr(&sattr,1,(vio.row / 2),start + mlen,0);
    VioWrtNAttr(&sattr,1,(vio.row / 2) + 1,start + mlen,0);
    VioWrtNAttr(&sattr,1,(vio.row / 2) + 2,start + mlen,0);
    VioWrtNAttr(&sattr,1,(vio.row / 2) + 3,start + mlen,0);
    VioWrtNAttr(&sattr,mlen,(vio.row / 2) + 4,start + 1,0);
    VioSetCurPos((vio.row / 2) + 1,start + (mlen - 3),0);
    if(responses)
      ShowCursor(FALSE);
    if(beep)
      DosBeep(beep,dur);
    if(!responses)
      DosSleep(wait);
    else {
      KbdFlushBuffer(0);
      while(okay) {
        key = get_ch(-1);
        if(!*responses)
          break;
        for(x = 0;responses[x];x++) {
          if(key == responses[x]) {
            okay = FALSE;
            break;
          }
        }
      }
    }
    ShowCursor(TRUE);
    VioWrtCellStr(buf,len,(vio.row / 2) - 2,0,0);
    free(buf);
    KbdFlushBuffer(0);
    ThreadMsg(NULL);
  }
  return key;
}
コード例 #16
0
void ShowFullWindow (char *title) {

  int    attr = ((7 << 4) << 8) | ' ';
  USHORT line;

  /* display empty "window" */
  VioScrollUp(3,0,vio.row - 5,vio.col - 1,-1,(char *)&attr,0);
  attr = (((7 << 4) | 4) << 8) | ' ';
  VioWrtNCell((char *)&attr,vio.col,2,0,0);
  attr = (((7 << 4) | (7 | 8)) << 8) | 'Ä';
  VioWrtNCell((char *)&attr,vio.col - 4,3,1,0);
  attr = (((7 << 4) | 8) << 8) | 'Ä';
  VioWrtNCell((char *)&attr,vio.col - 4,vio.row - 6,1,0);
  attr = (((7 << 4) | (7 | 8)) << 8) | 'Ú';
  VioWrtNCell((char *)&attr,1,3,1,0);
  attr = (((7 << 4) | (7 | 8)) << 8) | '¿';
  VioWrtNCell((char *)&attr,1,3,vio.col - 3,0);
  attr = (((7 << 4) | (7 | 8)) << 8) | 'À';
  VioWrtNCell((char *)&attr,1,vio.row - 6,1,0);
  attr = (((7 << 4) | 8) << 8) | 'Ù';
  VioWrtNCell((char *)&attr,1,vio.row - 6,vio.col - 3,0);
  attr = (((7 << 4) | (7 | 8)) << 8) | '³';
  for(line = 4;line < vio.row - 6;line++)
    VioWrtNCell((char *)&attr,1,line,1,0);
  attr = (((7 << 4) | 8) << 8) | '³';
  for(line = 4;line < vio.row - 6;line++)
    VioWrtNCell((char *)&attr,1,line,vio.col - 3,0);
  attr = ' ';
  VioWrtNCell((char *)&attr,vio.col - 1,vio.row - 4,1,0);
  for(line = 3;line < vio.row - 4;line++)
    VioWrtNCell((char *)&attr,1,line,vio.col - 1,0);
  attr = ((8 << 4) << 8) | ' ';
  VioWrtNCell((char *)&attr,1,2,vio.col - 1,0);
  VioWrtNCell((char *)&attr,1,vio.row - 4,0,0);
  /* display title */
  VioWrtCharStr(title,min(strlen(title),vio.col - 2),2,
                ((vio.col - 2) - min(strlen(title),vio.col - 2)) / 2,0);
}