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Annotation of 43BSDTahoe/usr.lib/libcurses/getch.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1981 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)getch.c    5.5 (Berkeley) 6/30/88";
                     20: #endif /* not lint */
                     21: 
                     22: # include      "curses.ext"
                     23: 
                     24: /*
                     25:  *     This routine reads in a character from the window.
                     26:  *
                     27:  */
                     28: wgetch(win)
                     29: reg WINDOW     *win; {
                     30: 
                     31:        reg bool        weset = FALSE;
                     32:        reg char        inp;
                     33: 
                     34:        if (!win->_scroll && (win->_flags&_FULLWIN)
                     35:            && win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1)
                     36:                return ERR;
                     37: # ifdef DEBUG
                     38:        fprintf(outf, "WGETCH: _echoit = %c, _rawmode = %c\n", _echoit ? 'T' : 'F', _rawmode ? 'T' : 'F');
                     39: # endif
                     40:        if (_echoit && !_rawmode) {
                     41:                cbreak();
                     42:                weset++;
                     43:        }
                     44:        inp = getchar();
                     45: # ifdef DEBUG
                     46:        fprintf(outf,"WGETCH got '%s'\n",unctrl(inp));
                     47: # endif
                     48:        if (_echoit) {
                     49:                mvwaddch(curscr, win->_cury + win->_begy,
                     50:                        win->_curx + win->_begx, inp);
                     51:                waddch(win, inp);
                     52:        }
                     53:        if (weset)
                     54:                nocbreak();
                     55:        return inp;
                     56: }

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