4.3BSD - /usr/src/usr.lib/libcurses/touchwin.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)touchwin.c	5.1 (Berkeley) 6/7/85";
   9: #endif not lint
  10: 
  11: # include   "curses.ext"
  12: 
  13: /*
  14:  * make it look like the whole window has been changed.
  15:  *
  16:  */
  17: touchwin(win)
  18: register WINDOW *win;
  19: {
  20:     register int    y, maxy;
  21: 
  22: # ifdef DEBUG
  23:     fprintf(outf, "TOUCHWIN(%0.2o)\n", win);
  24: # endif
  25:     maxy = win->_maxy;
  26:     for (y = 0; y < maxy; y++)
  27:         touchline(win, y, 0, win->_maxx - 1);
  28: }
  29: 
  30: /*
  31:  * touch a given line
  32:  */
  33: touchline(win, y, sx, ex)
  34: register WINDOW *win;
  35: register int    y, sx, ex;
  36: {
  37: # ifdef DEBUG
  38:     fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex);
  39:     fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
  40: # endif
  41:     sx += win->_ch_off;
  42:     ex += win->_ch_off;
  43:     if (win->_firstch[y] == _NOCHANGE) {
  44:         win->_firstch[y] = sx;
  45:         win->_lastch[y] = ex;
  46:     }
  47:     else {
  48:         if (win->_firstch[y] > sx)
  49:             win->_firstch[y] = sx;
  50:         if (win->_lastch[y] < ex)
  51:             win->_lastch[y] = ex;
  52:     }
  53: # ifdef DEBUG
  54:     fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]);
  55: # endif
  56: }

Defined functions

Defined variables