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- /* $Header: term.h,v 4.3.3.2 91/01/16 03:38:39 davison Trn $
- *
- * $Log: term.h,v $
- * Revision 4.3.3.2 91/01/16 03:38:39 davison
- * Integrated rn patches 48-54. Added optional prototyping.
- *
- * Revision 4.3.3.1 90/06/20 22:40:34 davison
- * Initial Trn Release
- *
- * Revision 4.3.2.6 90/12/10 01:32:08 sob
- * Hopefully, the rn -e -L problem is now fixed.
- *
- * Revision 4.3.2.5 90/11/22 13:48:09 sob
- * Backed out change in Patch 48.
- *
- * Revision 4.3.2.4 90/11/05 23:54:49 sob
- * changed maybe_eol to test when erase_screen is FALSE intstead of TRUE.
- *
- * Revision 4.3.2.3 90/10/01 01:49:39 sob
- * Changed ospeed from short to long.
- *
- * Revision 4.3.2.2 90/04/06 20:35:34 sob
- * Added fixes for SCO Xenix sent by ronald@robobar.co.uk.
- *
- * Revision 4.3.2.1 89/11/28 01:54:03 sob
- * Added better support for SIGWINCH.
- *
- * Revision 4.3.1.2 85/05/13 15:52:05 lwall
- * Declared devtty on TERMIO system.
- *
- * Revision 4.3.1.1 85/05/10 11:41:24 lwall
- * Branch for patches.
- *
- * Revision 4.3 85/05/01 11:51:36 lwall
- * Baseline for release with 4.3bsd.
- *
- */
-
- #ifdef PUSHBACK
- EXT char circlebuf[PUSHSIZE];
- EXT int nextin INIT(0);
- EXT int nextout INIT(0);
- #ifdef PENDING
- #ifdef FIONREAD
- EXT long iocount INIT(0);
- #ifndef lint
- #define input_pending() (nextin!=nextout || (ioctl(0, FIONREAD, &iocount),(int)iocount))
- #else
- #define input_pending() bizarre
- #endif /* lint */
- #else /* FIONREAD */
- #ifdef RDCHK
- #define input_pending() (rdchk(0) > 0) /* boolean only */
- #else /* RDCHK */
- int circfill();
- EXT int devtty INIT(0);
- #ifndef lint
- #define input_pending() (nextin!=nextout || circfill())
- #else
- #define input_pending() bizarre
- #endif /* lint */
- #endif /* RDCHK */
- #endif /* FIONREAD */
- #else /* PENDING */
- #ifndef lint
- #define input_pending() (nextin!=nextout)
- #else
- #define input_pending() bizarre
- #endif /* lint */
- #endif /* PENDING */
- #else /* PUSHBACK */
- #ifdef PENDING
- #ifdef FIONREAD /* must have FIONREAD or O_NDELAY for input_pending() */
- #define read_tty(addr,size) read(0,addr,size)
- #ifndef lint
- #define input_pending() (ioctl(0, FIONREAD, &iocount),(int)iocount)
- #else
- #define input_pending() bizarre
- #endif /* lint */
- EXT long iocount INIT(0);
-
- #else /* FIONREAD */
-
- #ifdef RDCHK
- #define input_pending() (rdchk(0) > 0) /* boolean only */
- #else /* RDCHK */
-
- EXT int devtty INIT(0);
- EXT bool is_input INIT(FALSE);
- EXT char pending_ch INIT(0);
- #ifndef lint
- #define input_pending() (is_input || (is_input=read(devtty,&pending_ch,1)))
- #else
- #define input_pending() bizarre
- #endif /* lint */
- #endif /* RDCHK */
- #endif /* FIONREAD */
- #else /* PENDING */
- #define read_tty(addr,size) read(0,addr,size)
- #define input_pending() (FALSE)
- #endif /* PENDING */
- #endif /* PUSHBACK */
-
- /* stuff wanted by terminal mode diddling routines */
-
- #ifdef TERMIO
- EXT struct termio _tty, _oldtty;
- #else
- EXT struct sgttyb _tty;
- EXT int _res_flg INIT(0);
- #endif
-
- EXT int _tty_ch INIT(2);
- EXT bool bizarre INIT(FALSE); /* do we need to restore terminal? */
-
- /* terminal mode diddling routines */
-
- #ifdef TERMIO
-
- #define crmode() ((bizarre=1),_tty.c_lflag &=~ICANON,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty))
- #define nocrmode() ((bizarre=1),_tty.c_lflag |= ICANON,_tty.c_cc[VEOF] = CEOF,stty(_tty_ch,&_tty))
- #define echo() ((bizarre=1),_tty.c_lflag |= ECHO, ioctl(_tty_ch, TCSETA, &_tty))
- #define noecho() ((bizarre=1),_tty.c_lflag &=~ECHO, ioctl(_tty_ch, TCSETA, &_tty))
- #define nl() ((bizarre=1),_tty.c_iflag |= ICRNL,_tty.c_oflag |= ONLCR,ioctl(_tty_ch, TCSETAW, &_tty))
- #define nonl() ((bizarre=1),_tty.c_iflag &=~ICRNL,_tty.c_oflag &=~ONLCR,ioctl(_tty_ch, TCSETAW, &_tty))
- #define savetty() (ioctl(_tty_ch, TCGETA, &_oldtty),ioctl(_tty_ch, TCGETA, &_tty))
- #define resetty() ((bizarre=0),ioctl(_tty_ch, TCSETAF, &_oldtty))
- #define unflush_output()
-
- #else
-
- #define raw() ((bizarre=1),_tty.sg_flags|=RAW, stty(_tty_ch,&_tty))
- #define noraw() ((bizarre=1),_tty.sg_flags&=~RAW,stty(_tty_ch,&_tty))
- #define crmode() ((bizarre=1),_tty.sg_flags |= CBREAK, stty(_tty_ch,&_tty))
- #define nocrmode() ((bizarre=1),_tty.sg_flags &= ~CBREAK,stty(_tty_ch,&_tty))
- #define echo() ((bizarre=1),_tty.sg_flags |= ECHO, stty(_tty_ch, &_tty))
- #define noecho() ((bizarre=1),_tty.sg_flags &= ~ECHO, stty(_tty_ch, &_tty))
- #define nl() ((bizarre=1),_tty.sg_flags |= CRMOD,stty(_tty_ch, &_tty))
- #define nonl() ((bizarre=1),_tty.sg_flags &= ~CRMOD, stty(_tty_ch, &_tty))
- #define savetty() (gtty(_tty_ch, &_tty), _res_flg = _tty.sg_flags)
- #define resetty() ((bizarre=0),_tty.sg_flags = _res_flg, stty(_tty_ch, &_tty))
- #ifdef LFLUSHO
- #ifndef lint
- EXT int lflusho INIT(LFLUSHO);
- #else
- EXT long lflusho INIT(LFLUSHO);
- #endif /* lint */
- #define unflush_output() (ioctl(_tty_ch,TIOCLBIC,&lflusho))
- #else
- #define unflush_output()
- #endif /* LFLUSHO */
- #endif /* TERMIO */
-
- #ifdef TIOCSTI
- #ifdef lint
- #define forceme(c) ioctl(_tty_ch,TIOCSTI,Null(long*)) /* ghad! */
- #else
- #define forceme(c) ioctl(_tty_ch,TIOCSTI,c) /* pass character in " " */
- #endif /* lint */
- #else
- #define forceme(c)
- #endif
-
- /* termcap stuff */
-
- /*
- * NOTE: if you don't have termlib you'll either have to define these strings
- * and the tputs routine, or you'll have to redefine the macros below
- */
-
- #ifdef HAVETERMLIB
- EXT char *BC INIT(Nullch); /* backspace character */
- EXT char *UP INIT(Nullch); /* move cursor up one line */
- EXT char *CR INIT(Nullch); /* get to left margin, somehow */
- EXT char *VB INIT(Nullch); /* visible bell */
- EXT char *CL INIT(Nullch); /* home and clear screen */
- EXT char *CE INIT(Nullch); /* clear to end of line */
- #if defined(CLEAREOL) || defined(USETHREADS)
- EXT char *CM INIT(Nullch); /* cursor motion */
- EXT char *HO INIT(Nullch); /* home cursor */
- #endif
- #ifdef CLEAREOL
- EXT char *CD INIT(Nullch); /* clear to end of display */
- #endif /* CLEAREOL */
- EXT char *SO INIT(Nullch); /* begin standout mode */
- EXT char *SE INIT(Nullch); /* end standout mode */
- EXT int SG INIT(0); /* blanks left by SO and SE */
- EXT char *US INIT(Nullch); /* start underline mode */
- EXT char *UE INIT(Nullch); /* end underline mode */
- EXT char *UC INIT(Nullch); /* underline a character, if that's how it's done */
- EXT int UG INIT(0); /* blanks left by US and UE */
- EXT bool AM INIT(FALSE); /* does terminal have automatic margins? */
- EXT bool XN INIT(FALSE); /* does it eat 1st newline after automatic wrap? */
- EXT char PC INIT(0); /* pad character for use by tputs() */
- EXT long ospeed INIT(0); /* terminal output speed, for use by tputs() */
- EXT int LINES INIT(0), COLS INIT(0); /* size of screen */
- EXT int just_a_sec INIT(960); /* 1 sec at current baud rate */
- /* (number of nulls) */
-
- /* define a few handy macros */
-
- #define backspace() tputs(BC,0,putchr) FLUSH
- #define clear() tputs(CL,LINES,putchr) FLUSH
- #define erase_eol() tputs(CE,1,putchr) FLUSH
- #ifdef CLEAREOL
- #define clear_rest() tputs(CD,LINES,putchr) FLUSH
- #define maybe_eol() if(erase_screen&&can_home_clear)tputs(CE,1,putchr) FLUSH
- #endif /* CLEAREOL */
- #define underline() tputs(US,1,putchr) FLUSH
- #define un_underline() tputs(UE,1,putchr) FLUSH
- #define underchar() tputs(UC,0,putchr) FLUSH
- #define standout() tputs(SO,1,putchr) FLUSH
- #define un_standout() tputs(SE,1,putchr) FLUSH
- #define up_line() tputs(UP,1,putchr) FLUSH
- #define carriage_return() tputs(CR,1,putchr) FLUSH
- #define dingaling() tputs(VB,1,putchr) FLUSH
- #else
- ???????? /* up to you */
- #endif
-
- EXT int page_line INIT(1); /* line number for paging in print_line (origin 1) */
-
- void term_init ANSI((void));
- void term_set ANSI((char *));
- #ifdef PUSHBACK
- void pushchar ANSI((char));
- void mac_init ANSI((char *));
- void mac_line ANSI((char *,char *,int));
- void show_macros ANSI((void));
- #endif
- char putchr ANSI((char)); /* routine for tputs to call */
- bool finish_command ANSI((int));
- void eat_typeahead ANSI((void));
- void settle_down ANSI((void));
- #ifndef read_tty
- int read_tty ANSI((char *,int));
- #endif
- void underprint ANSI((char *));
- #ifdef NOFIREWORKS
- void no_sofire ANSI((void));
- void no_ulfire ANSI((void));
- #endif
- void getcmd ANSI((char *));
- int get_anything ANSI((void));
- void in_char ANSI((char *,char));
- int print_lines ANSI((char *,int));
- void page_init ANSI((void));
- void pad ANSI((int));
- void printcmd ANSI((void));
- void rubout ANSI((void));
- void reprint ANSI((void));
- #if defined(CLEAREOL) || defined(USETHREADS)
- void home_cursor ANSI((void));
- #endif
- #ifdef USETHREADS
- void goto_line ANSI((int,int));
- #endif
- #ifdef SIGWINCH
- int winch_catcher ANSI((void));
- #endif /* SIGWINCH */
-