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