slk_init(int format)
{
int code = ERR;
T((T_CALLED("slk_init(%d)"), format));
if (format >= 0 && format <= 3 && !_nc_globals.slk_format) {
_nc_globals.slk_format = 1 + format;
code = _nc_ripoffline(-SLK_LINES(_nc_globals.slk_format), _nc_slk_initialize);
}
returnCode(code);
}
SCREEN *
newterm(NCURSES_CONST char *name, FILE * ofp, FILE * ifp)
{
int errret;
int slk_format = _nc_slk_format;
SCREEN *current;
#ifdef TRACE
int t = _nc_getenv_num("NCURSES_TRACE");
if (t >= 0)
trace(t);
#endif
T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp));
/* this loads the capability entry, then sets LINES and COLS */
if (setupterm(name, fileno(ofp), &errret) == ERR)
return 0;
/* implement filter mode */
if (filter_mode) {
LINES = 1;
if (VALID_NUMERIC(init_tabs))
TABSIZE = init_tabs;
else
TABSIZE = 8;
T(("TABSIZE = %d", TABSIZE));
clear_screen = 0;
cursor_down = parm_down_cursor = 0;
cursor_address = 0;
cursor_up = parm_up_cursor = 0;
row_address = 0;
cursor_home = carriage_return;
}
/* If we must simulate soft labels, grab off the line to be used.
We assume that we must simulate, if it is none of the standard
formats (4-4 or 3-2-3) for which there may be some hardware
support. */
if (num_labels <= 0 || !SLK_STDFMT(slk_format))
if (slk_format) {
if (ERR == _nc_ripoffline(-SLK_LINES(slk_format),
_nc_slk_initialize))
return 0;
}
/* this actually allocates the screen structure, and saves the
* original terminal settings.
*/
current = SP;
_nc_set_screen(0);
if (_nc_setupscreen(LINES, COLS, ofp) == ERR) {
_nc_set_screen(current);
return 0;
}
/* if the terminal type has real soft labels, set those up */
if (slk_format && num_labels > 0 && SLK_STDFMT(slk_format))
_nc_slk_initialize(stdscr, COLS);
SP->_ifd = fileno(ifp);
SP->_checkfd = fileno(ifp);
typeahead(fileno(ifp));
#ifdef TERMIOS
SP->_use_meta = ((cur_term->Ottyb.c_cflag & CSIZE) == CS8 &&
!(cur_term->Ottyb.c_iflag & ISTRIP));
#else
SP->_use_meta = FALSE;
#endif
SP->_endwin = FALSE;
/* Check whether we can optimize scrolling under dumb terminals in case
* we do not have any of these capabilities, scrolling optimization
* will be useless.
*/
SP->_scrolling = ((scroll_forward && scroll_reverse) ||
((parm_rindex || parm_insert_line || insert_line) &&
(parm_index || parm_delete_line || delete_line)));
baudrate(); /* sets a field in the SP structure */
SP->_keytry = 0;
/*
* Check for mismatched graphic-rendition capabilities. Most SVr4
* terminfo trees contain entries that have rmul or rmso equated to
* sgr0 (Solaris curses copes with those entries). We do this only for
* curses, since many termcap applications assume that smso/rmso and
* smul/rmul are paired, and will not function properly if we remove
* rmso or rmul. Curses applications shouldn't be looking at this
* detail.
*/
#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
SP->_use_rmso = SGR0_TEST(exit_standout_mode);
SP->_use_rmul = SGR0_TEST(exit_underline_mode);
#if USE_WIDEC_SUPPORT
/*
* XFree86 xterm can be configured to support UTF-8 based on environment
* variable settings.
*/
{
char *s;
s = getenv("LC_ALL");
if (s == NULL || *s == '\0') {
s = getenv("LC_CTYPE");
if (s == NULL || *s == '\0') {
s = getenv("LANG");
}
}
if (s != NULL && *s != '\0' && strstr(s, "UTF-8") != NULL) {
SP->_outch = _nc_utf8_outch;
}
}
#endif
/* compute movement costs so we can do better move optimization */
_nc_mvcur_init();
/* initialize terminal to a sane state */
_nc_screen_init();
/* Initialize the terminal line settings. */
_nc_initscr();
_nc_signal_handler(TRUE);
T((T_RETURN("%p"), SP));
return (SP);
}
