4.3BSD - /usr/src/usr.lib/libcurses/getch.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[] = "@(#)getch.c	5.3 (Berkeley) 4/16/86";
   9: #endif not lint
  10: 
  11: # include   "curses.ext"
  12: 
  13: /*
  14:  *	This routine reads in a character from the window.
  15:  *
  16:  */
  17: wgetch(win)
  18: reg WINDOW  *win; {
  19: 
  20:     reg bool    weset = FALSE;
  21:     reg char    inp;
  22: 
  23:     if (!win->_scroll && (win->_flags&_FULLWIN)
  24:         && win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1)
  25:         return ERR;
  26: # ifdef DEBUG
  27:     fprintf(outf, "WGETCH: _echoit = %c, _rawmode = %c\n", _echoit ? 'T' : 'F', _rawmode ? 'T' : 'F');
  28: # endif
  29:     if (_echoit && !_rawmode) {
  30:         cbreak();
  31:         weset++;
  32:     }
  33:     inp = getchar();
  34: # ifdef DEBUG
  35:     fprintf(outf,"WGETCH got '%s'\n",unctrl(inp));
  36: # endif
  37:     if (_echoit) {
  38:         mvwaddch(curscr, win->_cury + win->_begy,
  39:             win->_curx + win->_begx, inp);
  40:         waddch(win, inp);
  41:     }
  42:     if (weset)
  43:         nocbreak();
  44:     return inp;
  45: }

Defined functions

Defined variables