void
end_screen()
{
/* move to the lower left, clear the line and send "te" */
if (smart_terminal)
{
putcap(lower_left);
putcap(clear_line);
fflush(stdout);
putcap(terminal_end);
}
/* if we have settings to reset, then do so */
if (is_a_terminal)
{
#ifdef SGTTY
(void) ioctl(STDOUT, TIOCSETP, &old_settings);
#ifdef TOStop
(void) ioctl(STDOUT, TIOCLSET, &old_lword);
#endif
#endif
#ifdef TERMIO
(void) ioctl(STDOUT, TCSETA, &old_settings);
#endif
#ifdef TERMIOS
(void) tcsetattr(STDOUT, TCSADRAIN, &old_settings);
#endif
}
}
void
standout(char *msg)
{
if (smart_terminal)
{
putcap(start_standout);
fputs(msg, stdout);
putcap(end_standout);
}
else
{
fputs(msg, stdout);
}
}
void
reinit_screen()
{
/* install our settings if it is a terminal */
if (is_a_terminal)
{
#ifdef SGTTY
(void) ioctl(STDOUT, TIOCSETP, &new_settings);
#ifdef TOStop
(void) ioctl(STDOUT, TIOCLSET, &new_lword);
#endif
#endif
#ifdef TERMIO
(void) ioctl(STDOUT, TCSETA, &new_settings);
#endif
#ifdef TERMIOS
(void) tcsetattr(STDOUT, TCSADRAIN, &new_settings);
#endif
}
/* send init string */
if (smart_terminal)
{
putcap(terminal_init);
}
}
void
screen_cleareol(int len)
{
int i;
if (smart_terminal && !tc_overstrike && len > 0)
{
if (tc_clear_line)
{
putcap(tc_clear_line);
return;
}
else
{
i = 0;
while (i++ < 0)
{
putchar(' ');
}
i = 0;
while (i++ < 0)
{
putchar('\b');
}
return;
}
}
return;
}
void
go_home()
{
if (smart_terminal)
{
putcap(home);
}
}
void
clear()
{
if (smart_terminal)
{
putcap(clear_screen);
}
}
void
screen_home()
{
if (smart_terminal)
{
putcap(home);
}
}
void
screen_clear()
{
if (smart_terminal)
{
putcap(tc_clear_screen);
}
}
int
screen_cte()
{
if (smart_terminal)
{
if (tc_clear_to_end)
{
putcap(tc_clear_to_end);
return(Yes);
}
}
return(No);
}
int
clear_eol(int len)
{
if (smart_terminal && !overstrike && len > 0)
{
if (clear_line)
{
putcap(clear_line);
return (0);
}
else
{
while (len-- > 0)
{
putchar(' ');
}
return (1);
}
}
return (-1);
}
void
init_screen()
{
/* get the old settings for safe keeping */
#ifdef SGTTY
if (ioctl(STDOUT, TIOCGETP, &old_settings) != -1)
{
/* copy the settings so we can modify them */
new_settings = old_settings;
/* turn on CBREAK and turn off character echo and tab expansion */
new_settings.sg_flags |= CBREAK;
new_settings.sg_flags &= ~(ECHO | XTABS);
(void) ioctl(STDOUT, TIOCSETP, &new_settings);
/* remember the erase and kill characters */
ch_erase = old_settings.sg_erase;
ch_kill = old_settings.sg_kill;
#ifdef TOStop
/* get the local mode word */
(void) ioctl(STDOUT, TIOCLGET, &old_lword);
/* modify it */
new_lword = old_lword | LTOSTOP;
(void) ioctl(STDOUT, TIOCLSET, &new_lword);
#endif
/* remember that it really is a terminal */
is_a_terminal = Yes;
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
#ifdef TERMIO
if (ioctl(STDOUT, TCGETA, &old_settings) != -1)
{
/* copy the settings so we can modify them */
new_settings = old_settings;
/* turn off ICANON, character echo and tab expansion */
new_settings.c_lflag &= ~(ICANON | ECHO);
new_settings.c_oflag &= ~(TAB3);
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
(void) ioctl(STDOUT, TCSETA, &new_settings);
/* remember the erase and kill characters */
ch_erase = old_settings.c_cc[VERASE];
ch_kill = old_settings.c_cc[VKILL];
/* remember that it really is a terminal */
is_a_terminal = Yes;
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
#ifdef TERMIOS
if (tcgetattr(STDOUT, &old_settings) != -1)
{
/* copy the settings so we can modify them */
new_settings = old_settings;
/* turn off ICANON, character echo and tab expansion */
new_settings.c_lflag &= ~(ICANON | ECHO);
new_settings.c_oflag &= ~(TAB3);
new_settings.c_cc[VMIN] = 1;
new_settings.c_cc[VTIME] = 0;
(void) tcsetattr(STDOUT, TCSADRAIN, &new_settings);
/* remember the erase and kill characters */
ch_erase = old_settings.c_cc[VERASE];
ch_kill = old_settings.c_cc[VKILL];
/* remember that it really is a terminal */
is_a_terminal = Yes;
/* send the termcap initialization string */
putcap(terminal_init);
}
#endif
if (!is_a_terminal)
{
/* not a terminal at all---consider it dumb */
smart_terminal = No;
}
}
