void
tty_init (gboolean mouse_enable, gboolean is_xterm)
{
initscr ();
#ifdef HAVE_ESCDELAY
/*
* If ncurses exports the ESCDELAY variable, it should be set to
* a low value, or you'll experience a delay in processing escape
* sequences that are recognized by mc (e.g. Esc-Esc). On the other
* hand, making ESCDELAY too small can result in some sequences
* (e.g. cursor arrows) being reported as separate keys under heavy
* processor load, and this can be a problem if mc hasn't learned
* them in the "Learn Keys" dialog. The value is in milliseconds.
*/
ESCDELAY = 200;
#endif /* HAVE_ESCDELAY */
#ifdef NCURSES_VERSION
/* use Ctrl-g to generate SIGINT */
cur_term->Nttyb.c_cc[VINTR] = CTRL ('g'); /* ^g */
/* disable SIGQUIT to allow use Ctrl-\ key */
cur_term->Nttyb.c_cc[VQUIT] = NULL_VALUE;
tcsetattr (cur_term->Filedes, TCSANOW, &cur_term->Nttyb);
#else
/* other curses implementation (bsd curses, ...) */
{
struct termios mode;
tcgetattr (STDIN_FILENO, &mode);
/* use Ctrl-g to generate SIGINT */
mode.c_cc[VINTR] = CTRL ('g'); /* ^g */
/* disable SIGQUIT to allow use Ctrl-\ key */
mode.c_cc[VQUIT] = NULL_VALUE;
tcsetattr (STDIN_FILENO, TCSANOW, &mode);
}
#endif /* NCURSES_VERSION */
tty_start_interrupt_key ();
if (!mouse_enable)
use_mouse_p = MOUSE_DISABLED;
tty_init_xterm_support (is_xterm); /* do it before tty_enter_ca_mode() call */
tty_enter_ca_mode ();
tty_raw_mode ();
noecho ();
keypad (stdscr, TRUE);
nodelay (stdscr, FALSE);
tty_setup_sigwinch (sigwinch_handler);
}
void
tty_init (gboolean mouse_enable, gboolean is_xterm)
{
SLtt_Ignore_Beep = 1;
SLutf8_enable (-1); /* has to be called first before any of the other functions. */
SLtt_get_terminfo ();
/*
* If the terminal in not in terminfo but begins with a well-known
* string such as "linux" or "xterm" S-Lang will go on, but the
* terminal size and several other variables won't be initialized
* (as of S-Lang 1.4.4). Detect it and abort. Also detect extremely
* small, large and negative screen dimensions.
*/
if ((COLS < 10) || (LINES < 5)
|| (COLS > SLTT_MAX_SCREEN_COLS) || (LINES > SLTT_MAX_SCREEN_ROWS))
{
fprintf (stderr,
_("Screen size %dx%d is not supported.\n"
"Check the TERM environment variable.\n"), COLS, LINES);
exit (EXIT_FAILURE);
}
tcgetattr (fileno (stdin), &boot_mode);
/* 255 = ignore abort char; XCTRL('g') for abort char = ^g */
SLang_init_tty (XCTRL ('g'), 1, 0);
if (mc_global.tty.ugly_line_drawing)
SLtt_Has_Alt_Charset = 0;
/* If SLang uses fileno(stderr) for terminal input MC will hang
if we call SLang_getkey between calls to open_error_pipe and
close_error_pipe, e.g. when we do a growing view of an gzipped
file. */
if (SLang_TT_Read_FD == fileno (stderr))
SLang_TT_Read_FD = fileno (stdin);
if (tcgetattr (SLang_TT_Read_FD, &new_mode) == 0)
{
#ifdef VDSUSP
new_mode.c_cc[VDSUSP] = NULL_VALUE; /* to ignore ^Y */
#endif
#ifdef VLNEXT
new_mode.c_cc[VLNEXT] = NULL_VALUE; /* to ignore ^V */
#endif
tcsetattr (SLang_TT_Read_FD, TCSADRAIN, &new_mode);
}
tty_reset_prog_mode ();
load_terminfo_keys ();
SLtt_Blink_Mode = (tty_use_256colors () || tty_use_truecolors (NULL)) ? 1 : 0;
tty_start_interrupt_key ();
/* It's the small part from the previous init_key() */
init_key_input_fd ();
/* For 8-bit locales, NCurses handles 154 (0x9A) symbol properly, while S-Lang
* requires SLsmg_Display_Eight_Bit >= 154 (OR manual filtering if xterm display
* detected - but checking TERM would fail under screen, OR running xterm
* with allowC1Printable).
*/
tty_display_8bit (FALSE);
SLsmg_init_smg ();
slsmg_active = TRUE;
if (!mouse_enable)
use_mouse_p = MOUSE_DISABLED;
tty_init_xterm_support (is_xterm); /* do it before tty_enter_ca_mode() call */
tty_enter_ca_mode ();
tty_keypad (TRUE);
tty_nodelay (FALSE);
tty_setup_sigwinch (sigwinch_handler);
}