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Annotation of researchv10dc/ncurses/screen/meta.c, revision 1.1

1.1     ! root        1: #include "curses.ext"
        !             2: /*     @(#) meta.c: 1.1 10/15/83       (1.19   3/17/83)        */
        !             3: 
        !             4: /*
        !             5:  * TRUE => all 8 bits of input character should be passed through.
        !             6:  */
        !             7: meta(win,bf)
        !             8: WINDOW *win; int bf;
        !             9: {
        !            10:        int _outch();
        !            11: 
        !            12:        if (!has_meta_key)
        !            13:                return ERR;
        !            14:        /*
        !            15:         * Do the appropriate fiddling with the tty driver to make it send
        !            16:         * all 8 bits through.  On USG this means clearing ISTRIP, on
        !            17:         * V7 you have to resort to RAW mode.
        !            18:         */
        !            19: #ifdef USG
        !            20:        if (bf) {
        !            21:                (cur_term->Nttyb).c_iflag &= ~ISTRIP;
        !            22:                (cur_term->Nttyb).c_cflag &= ~CSIZE;
        !            23:                (cur_term->Nttyb).c_cflag |= CS8;
        !            24:                (cur_term->Nttyb).c_cflag &= ~PARENB;
        !            25:        } else {
        !            26:                (cur_term->Nttyb).c_iflag |= ISTRIP;
        !            27:                (cur_term->Nttyb).c_cflag &= ~CSIZE;
        !            28:                (cur_term->Nttyb).c_cflag |= CS7;
        !            29:                (cur_term->Nttyb).c_cflag |= PARENB;
        !            30:        }
        !            31: #else
        !            32:        if (bf)
        !            33:                raw();
        !            34:        else
        !            35:                noraw();
        !            36: #endif
        !            37:        reset_prog_mode();
        !            38: 
        !            39:        /*
        !            40:         * Do whatever is needed to put the terminal into meta-mode.
        !            41:         */
        !            42:        if (bf)
        !            43:                tputs(meta_on, 1, _outch);
        !            44:        else
        !            45:                tputs(meta_off, 1, _outch);
        !            46: 
        !            47:        /* Keep track internally. */
        !            48:        win->_use_meta = bf;
        !            49: 
        !            50:        return OK;
        !            51: }

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