Function optfn_cursesgraphics

src/options.c:1344–1390

#ifdef CURSES_GRAPHICS
staticfn int
optfn_cursesgraphics(
    int optidx, int req, boolean negated,
    char *opts, char *op UNUSED)
{
#ifdef BACKWARD_COMPAT
    boolean badflag = FALSE;
#endif

    if (req == do_init) {
        return optn_ok;
    }
    if (req == do_set) {
        /* "cursesgraphics" */

#ifdef BACKWARD_COMPAT
        if (!negated) {
            /* There is no rogue level cursesgraphics-specific set */
            if (gs.symset[PRIMARYSET].name) {
                badflag = TRUE;
            } else {
                gs.symset[PRIMARYSET].name = dupstr(allopt[optidx].name);
                if (!read_sym_file(PRIMARYSET)) {
                    badflag = TRUE;
                    clear_symsetentry(PRIMARYSET, TRUE);
                } else
                    switch_symbols(TRUE);
            }
            if (badflag) {
                config_error_add("Failure to load symbol set %s.",
                                 allopt[optidx].name);
                return optn_err;
            }
        }
        return optn_ok;
#else
        config_error_add("'%s' no longer supported; use 'symset:%s' instead",
                         allopt[optidx].name, allopt[optidx].name);
        return optn_err;
#endif
    }
    if (req == get_val || req == get_cnf_val) {
        opts[0] = '\0';
        return optn_ok;
    }
    return optn_ok;
}
#endif

staticfn int