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screen.c

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# endif		# endif
# endif		# endif
#endif		#endif
#include "screen.h"		#include "screen.h"
#include "boolean.h"		#include "boolean.h"

extern char *myname;		extern char *myname;

int putstdout();

int overstrike;		int overstrike;
int screen_length;		int screen_length;
int screen_width;		int screen_width;
char ch_erase;		char ch_erase;
char ch_kill;		char ch_kill;
char smart_terminal;		char smart_terminal;
char PC;		char PC;
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#ifdef TERMIOS		#ifdef TERMIOS
if (tcgetattr(STDOUT, &old_settings) == -1)		if (tcgetattr(STDOUT, &old_settings) == -1)
{		{
smart_terminal = No;		smart_terminal = No;
}		}
#endif		#endif
}		}

		void
init_screen()		init_screen()

{		{
/* get the old settings for safe keeping */		/* get the old settings for safe keeping */
#ifdef SGTTY		#ifdef SGTTY
if (ioctl(STDOUT, TIOCGETP, &old_settings) != -1)		if (ioctl(STDOUT, TIOCGETP, &old_settings) != -1)
{		{
/* copy the settings so we can modify them */		/* copy the settings so we can modify them */
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines	#endif

if (!is_a_terminal)		if (!is_a_terminal)
{		{
/* not a terminal at all---consider it dumb */		/* not a terminal at all---consider it dumb */
smart_terminal = No;		smart_terminal = No;
}		}
}		}

		void
end_screen()		end_screen()

{		{
/* move to the lower left, clear the line and send "te" */		/* move to the lower left, clear the line and send "te" */
if (smart_terminal)		if (smart_terminal)
{		{
putcap(lower_left);		putcap(lower_left);
putcap(clear_line);		putcap(clear_line);
Show All 14 Lines	#ifdef TERMIO
(void) ioctl(STDOUT, TCSETA, &old_settings);		(void) ioctl(STDOUT, TCSETA, &old_settings);
#endif		#endif
#ifdef TERMIOS		#ifdef TERMIOS
(void) tcsetattr(STDOUT, TCSADRAIN, &old_settings);		(void) tcsetattr(STDOUT, TCSADRAIN, &old_settings);
#endif		#endif
}		}
}		}

		void
reinit_screen()		reinit_screen()

{		{
/* install our settings if it is a terminal */		/* install our settings if it is a terminal */
if (is_a_terminal)		if (is_a_terminal)
{		{
#ifdef SGTTY		#ifdef SGTTY
(void) ioctl(STDOUT, TIOCSETP, &new_settings);		(void) ioctl(STDOUT, TIOCSETP, &new_settings);
Show All 11 Lines	#endif

/* send init string */		/* send init string */
if (smart_terminal)		if (smart_terminal)
{		{
putcap(terminal_init);		putcap(terminal_init);
}		}
}		}

		void
get_screensize()		get_screensize()

{		{

#ifdef TIOCGWINSZ		#ifdef TIOCGWINSZ

struct winsize ws;		struct winsize ws;

Show All 29 Lines
#endif /* TIOCGSIZE */		#endif /* TIOCGSIZE */
#endif /* TIOCGWINSZ */		#endif /* TIOCGWINSZ */

(void) strncpy(lower_left, tgoto(cursor_motion, 0, screen_length - 1),		(void) strncpy(lower_left, tgoto(cursor_motion, 0, screen_length - 1),
sizeof(lower_left) - 1);		sizeof(lower_left) - 1);
lower_left[sizeof(lower_left) - 1] = '\0';		lower_left[sizeof(lower_left) - 1] = '\0';
}		}

		void
standout(msg)		standout(msg)

char *msg;		char *msg;

{		{
if (smart_terminal)		if (smart_terminal)
{		{
putcap(start_standout);		putcap(start_standout);
fputs(msg, stdout);		fputs(msg, stdout);
putcap(end_standout);		putcap(end_standout);
}		}
else		else
{		{
fputs(msg, stdout);		fputs(msg, stdout);
}		}
}		}

		void
clear()		clear()

{		{
if (smart_terminal)		if (smart_terminal)
{		{
putcap(clear_screen);		putcap(clear_screen);
}		}
}		}

		int
clear_eol(len)		clear_eol(len)

int len;		int len;

{		{
if (smart_terminal && !overstrike && len > 0)		if (smart_terminal && !overstrike && len > 0)
{		{
if (clear_line)		if (clear_line)
{		{
putcap(clear_line);		putcap(clear_line);
return(0);		return(0);
}		}
else		else
{		{
while (len-- > 0)		while (len-- > 0)
{		{
putchar(' ');		putchar(' ');
}		}
return(1);		return(1);
}		}
}		}
return(-1);		return(-1);
}		}

		void
go_home()		go_home()

{		{
if (smart_terminal)		if (smart_terminal)
{		{
putcap(home);		putcap(home);
}		}
}		}

/* This has to be defined as a subroutine for tputs (instead of a macro) */		/* This has to be defined as a subroutine for tputs (instead of a macro) */

		void
putstdout(ch)		putstdout(ch)

char ch;		char ch;

{		{
putchar(ch);		putchar(ch);
}		}