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/* Copyright (c) 1993
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
****************************************************************
* $Id: screen.h,v 1.12 1994/05/31 12:32:54 mlschroe Exp $ FAU
*/
#include "os.h"
#if defined(__STDC__)
# ifndef __P
# define __P(a) a
# endif
#else
# ifndef __P
# define __P(a) ()
# endif
# define const
#endif
#include "osdef.h"
#include "ansi.h"
#include "acls.h"
#include "comm.h"
#include "overlay.h"
#include "term.h"
#ifdef DEBUG
# define DEBUGDIR "/tmp/debug"
# define debug(x) {if(dfp){fprintf(dfp,x);fflush(dfp);}}
# define debug1(x,a) {if(dfp){fprintf(dfp,x,a);fflush(dfp);}}
# define debug2(x,a,b) {if(dfp){fprintf(dfp,x,a,b);fflush(dfp);}}
# define debug3(x,a,b,c) {if(dfp){fprintf(dfp,x,a,b,c);fflush(dfp);}}
extern FILE *dfp;
#else
# define debug(x) {}
# define debug1(x,a) {}
# define debug2(x,a,b) {}
# define debug3(x,a,b,c) {}
#endif
#ifndef DEBUG
# define NOASSERT
#endif
#ifndef NOASSERT
# if defined(__STDC__)
# define ASSERT(lousy_cpp) {if (!(lousy_cpp)) {debug2("ASSERT("#lousy_cpp")ion failed file %s line %d\n", __FILE__, __LINE__);abort();}}
# else
# define ASSERT(lousy_cpp) {if (!(lousy_cpp)) {debug2("ASSERT(lousy_cpp)ion failed file %s line %d\n", __FILE__, __LINE__);abort();}}
# endif
#else
# define ASSERT(lousy_cpp) {;}
#endif
/* here comes my own Free: jw. */
#define Free(a) {if ((a) == 0) abort(); else free((void *)(a)); (a)=0;}
#define Ctrl(c) ((c)&037)
#define MAXSTR 256
#define MAXARGS 64
#define MSGWAIT 5
#define MSGMINWAIT 1
#define SILENCEWAIT 30
/*
* if a nasty user really wants to try a history of 3000 lines on all 10
* windows, he will allocate 8 MegaBytes of memory, which is quite enough.
*/
#define MAXHISTHEIGHT 3000
#define DEFAULTHISTHEIGHT 100
#define DEFAULT_BUFFERFILE "/tmp/screen-exchange"
#define TTY_FLAG_PLAIN 0x01
struct tty_attr
{
int flags; /* a PLAIN tty or a process behind */
};
struct mode
{
#ifdef POSIX
struct termios tio;
# ifdef hpux
struct ltchars m_ltchars;
# endif /* hpux */
#else /* POSIX */
# ifdef TERMIO
struct termio tio;
# ifdef CYTERMIO
int m_mapkey;
int m_mapscreen;
int m_backspace;
# endif
# else /* TERMIO */
struct sgttyb m_ttyb;
struct tchars m_tchars;
struct ltchars m_ltchars;
int m_ldisc;
int m_lmode;
# endif /* TERMIO */
#if defined(KANJI) && defined(TIOCKSET) && defined(KM_ASCII) && defined(KM_SYSSJIS)
struct jtchars m_jtchars;
int m_knjmode;
# endif
#endif /* POSIX */
};
#include "image.h"
#include "display.h"
#include "window.h"
/*
* Parameters for the Detach() routine
*/
#define D_DETACH 0
#define D_STOP 1
#define D_REMOTE 2
#define D_POWER 3
#define D_REMOTE_POWER 4
#define D_LOCK 5
/*
* Here are the messages the attacher sends to the backend
*/
#define MSG_CREATE 0
#define MSG_ERROR 1
#define MSG_ATTACH 2
#define MSG_CONT 3
#define MSG_DETACH 4
#define MSG_POW_DETACH 5
#define MSG_WINCH 6
#define MSG_HANGUP 7
struct msg
{
int type;
char m_tty[MAXPATHLEN]; /* ttyname */
union
{
struct
{
int lflag;
int aflag;
int flowflag;
int hheight; /* size of scrollback buffer */
int nargs;
char line[MAXPATHLEN];
char dir[MAXPATHLEN];
char screenterm[20]; /* is screen really "screen" ? */
}
create;
struct
{
char auser[20 + 1]; /* username */
int apid; /* pid of frontend */
int adaptflag; /* adapt window size? */
int lines, columns; /* display size */
char password[20];
char envterm[20 + 1]; /* terminal type */
}
attach;
struct
{
char duser[20 + 1]; /* username */
char password[20];
int dpid; /* pid of frontend */
}
detach;
char message[MAXPATHLEN * 2];
} m;
};
/*
* And the signals the attacher receives from the backend
*/
#define SIG_BYE SIGHUP
#define SIG_POWER_BYE SIGUSR1
#define SIG_LOCK SIGUSR2
#define SIG_STOP SIGTSTP
#define SIG_PW_OK SIGUSR1
#define SIG_PW_FAIL SIG_BYE
#define BELL (Ctrl('g'))
#define VBELLWAIT 1 /* No. of seconds a vbell will be displayed */
#define BELL_OFF 0 /* No bell has occurred in the window */
#define BELL_ON 1 /* A bell has occurred, but user not yet notified */
#define BELL_MSG 2 /* A bell has occured, user sees a message */
#define BELL_DONE 3 /* A bell has occured, user has been notified */
#define BELL_VISUAL 4 /* A bell has occured in fore win, notify him visually */
#define MON_OFF 0 /* Monitoring is off in the window */
#define MON_ON 1 /* No activity has occurred in the window */
#define MON_FOUND 2 /* Activity has occured, but user not yet notified */
#define MON_MSG 3 /* Activity has occured, user sees a message */
#define MON_DONE 4 /* Activity has occured, user has been notified */
#define DUMP_TERMCAP 0 /* WriteFile() options */
#define DUMP_HARDCOPY 1
#define DUMP_EXCHANGE 2
extern char strnomem[];
/*
* line modes used by Input()
*/
#define INP_COOKED 0
#define INP_NOECHO 1
#define INP_RAW 2
#define INP_EVERY 4
#ifdef MULTIUSER
struct acl
{
struct acl *next;
char *name;
};
#endif
/* register list */
#define MAX_PLOP_DEFS 256
struct plop
{
char *buf;
int len;
};
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