4.3BSD - /usr/src/usr.lib/libcurses/scroll.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[] = "@(#)scroll.c	5.1 (Berkeley) 6/7/85";
   9: #endif not lint
  10: 
  11: # include   "curses.ext"
  12: 
  13: /*
  14:  *	This routine scrolls the window up a line.
  15:  *
  16:  */
  17: scroll(win)
  18: register  WINDOW    *win;
  19: {
  20:     register int    oy, ox;
  21: 
  22: # ifdef DEBUG
  23:     fprintf(outf, "SCROLL(%0.2o)\n", win);
  24: # endif
  25: 
  26:     if (!win->_scroll)
  27:         return ERR;
  28: 
  29:     getyx(win, oy, ox);
  30:     wmove(win, 0, 0);
  31:     wdeleteln(win);
  32:     wmove(win, oy, ox);
  33: 
  34:     if (win == curscr) {
  35:         _putchar('\n');
  36:         if (!NONL)
  37:             win->_curx = 0;
  38: # ifdef DEBUG
  39:         fprintf(outf, "SCROLL: win == curscr\n");
  40: # endif
  41:     }
  42: }

Defined functions

Defined variables