4.3BSD - /usr/src/usr.lib/lib2648/2648.h

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)2648.h	5.1 (Berkeley) 4/26/85
   7:  */
   8: 
   9: /*
  10:  * lib2648: routines to deal directly with the HP 2648 Graphics terminal.
  11:  */
  12: 
  13: #include <stdio.h>
  14: 
  15: #define ESC '\033'  /* Escape */
  16: 
  17: /* Normal/inverse video */
  18: #define NORMAL  0   /* not inverse video */
  19: #define INVERSE 1   /* inverse video */
  20: 
  21: /* Kinds of lines we can draw */
  22: #define MX  10  /* exclusive or what's on screen */
  23: #define MC  11  /* clear what's on screen */
  24: #define MS  12  /* set what's on screen */
  25: 
  26: /* Escape sequence modes the terminal might be in */
  27: #define NONE    20  /* not in an escape sequence */
  28: #define ESCD    21  /* in an escape * d sequence */
  29: #define ESCP    22  /* in an escape * p sequence */
  30: #define ESCM    23  /* in an escape * m sequence */
  31: #define TEXT    24  /* in graphics text mode */
  32: 
  33: /*
  34:  * Constants for 2648 ^E/^F handshaking.
  35:  */
  36: #define ENQ 5   /* ^E sent by system to terminal */
  37: #define ACK 6   /* ^F reply by terminal to system */
  38: #define TBLKSIZ 32  /* Max # chars between handshakes */
  39: 
  40: /*
  41:  * Misc. variables used by lib2648.
  42:  */
  43: int _on2648;    /* true if getenv("TERM") is hp2648 */
  44: int _video;     /* are we in inverse video mode? */
  45: int _actsmode;  /* line type mode screen actually in */
  46: int _supsmode;  /* line type mode screen supposed to be in */
  47: int _escmode;   /* flavor of escape sequence currently in */
  48: int _cursoron;  /* true if cursor is on */
  49: 
  50: int _outcount;  /* # of consecutive chars without read sent */
  51: char    _pushback[BUFSIZ]; /* queue of chars pushed back onto the input */
  52: char    *_pb_front, *_pb_back;
  53: 
  54: int _penx, _peny;   /* where pen is really at */
  55: int _curx, _cury;   /* where cursor is really at */
  56: int _supx, _supy;   /* where pen and cursor are supposed to be */
  57: 
  58: #ifdef TRACE
  59: FILE    *trace;     /* trace file for debugging */
  60: #endif

Defined variables

Defined macros

Usage of this include