external/bsd/nvi/dist/cl/cl.h

   1 /*      $NetBSD: cl.h,v 1.2 2013/11/22 15:52:05 christos Exp $ */
   2 /*-
   3  * Copyright (c) 1993, 1994
   4  *      The Regents of the University of California.  All rights reserved.
   5  * Copyright (c) 1993, 1994, 1995, 1996
   6  *      Keith Bostic.  All rights reserved.
   7  *
   8  * See the LICENSE file for redistribution information.
   9  *
  10  *      Id: cl.h,v 10.32 2001/08/28 11:33:40 skimo Exp  (Berkeley) Date: 2001/08/28 11:33:40
  11  */
  12
  13 /* Avoid clash on OSF1 */
  14 #undef DB
  15
  16 #ifdef USE_SLANG_CURSES
  17 #include <slcurses.h>
  18 #else
  19 #ifdef HAVE_NCURSESW_NCURSES_H /* { */
  20 #include <ncursesw/ncurses.h>
  21 #else /* } { */
  22 #ifdef HAVE_NCURSES_H /* { */
  23 #include <ncurses.h>
  24 #else /* } { */
  25 #include <curses.h>
  26 #include <term.h>
  27 #include <termcap.h>
  28 #endif /* } */
  29 #endif
  30 #endif
  31
  32 typedef struct _cl_private {
  33         char     ibuf[256];     /* Input keys. */
  34
  35         size_t   skip;          /* Remaining keys. */
  36
  37         CONVWIN cw;             /* Conversion buffer. */
  38
  39         int      eof_count;     /* EOF count. */
  40
  41         struct termios orig;    /* Original terminal values. */
  42         struct termios ex_enter;/* Terminal values to enter ex. */
  43         struct termios vi_enter;/* Terminal values to enter vi. */
  44
  45         char    *el;            /* Clear to EOL terminal string. */
  46         char    *cup;           /* Cursor movement terminal string. */
  47         char    *cuu1;          /* Cursor up terminal string. */
  48         char    *rmso, *smso;   /* Inverse video terminal strings. */
  49         char    *smcup, *rmcup; /* Terminal start/stop strings. */
  50
  51         char    *oname;         /* Original screen window name. */
  52
  53         SCR     *focus;         /* Screen that has the "focus". */
  54
  55         int      killersig;     /* Killer signal. */
  56 #define INDX_HUP        0
  57 #define INDX_INT        1
  58 #define INDX_TERM       2
  59 #define INDX_WINCH      3
  60 #define INDX_MAX        4       /* Original signal information. */
  61         struct sigaction oact[INDX_MAX];
  62
  63         enum {                  /* Tty group write mode. */
  64             TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
  65
  66         enum {                  /* Terminal initialization strings. */
  67             TE_SENT=0, TI_SENT } ti_te;
  68
  69 #define CL_IN_EX        0x0001  /* Currently running ex. */
  70 #define CL_LAYOUT       0x0002  /* Screen layout changed. */
  71 #define CL_RENAME       0x0004  /* X11 xterm icon/window renamed. */
  72 #define CL_RENAME_OK    0x0008  /* User wants the windows renamed. */
  73 #define CL_SCR_EX_INIT  0x0010  /* Ex screen initialized. */
  74 #define CL_SCR_VI_INIT  0x0020  /* Vi screen initialized. */
  75 #define CL_SIGHUP       0x0040  /* SIGHUP arrived. */
  76 #define CL_SIGINT       0x0080  /* SIGINT arrived. */
  77 #define CL_SIGTERM      0x0100  /* SIGTERM arrived. */
  78 #define CL_SIGWINCH     0x0200  /* SIGWINCH arrived. */
  79 #define CL_STDIN_TTY    0x0400  /* Talking to a terminal. */
  80         u_int32_t flags;
  81 } CL_PRIVATE;
  82
  83 #define CLP(sp)         ((CL_PRIVATE *)((sp)->gp->cl_private))
  84 #define GCLP(gp)        ((CL_PRIVATE *)gp->cl_private)
  85 #define CLSP(sp)        ((WINDOW *)((sp)->cl_private))
  86
  87 /* Return possibilities from the keyboard read routine. */
  88 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
  89
  90 /* The screen position relative to a specific window. */
  91 /*
  92 #define RCNO(sp, cno)   (sp)->coff + (cno)
  93 #define RLNO(sp, lno)   (sp)->roff + (lno)
  94 */
  95 #define RCNO(sp, cno)   (cno)
  96 #define RLNO(sp, lno)   (lno)
  97
  98 /*
  99  * XXX
 100  * Some implementations of curses.h don't define these for us.  Used for
 101  * compatibility only.
 102  */
 103 #ifndef TRUE
 104 #define TRUE    1
 105 #endif
 106 #ifndef FALSE
 107 #define FALSE   0
 108 #endif
 109
 110 #include "cl_extern.h"
 111
 112 #ifdef USE_PERL_SETENV
 113 #include "perl_api_extern.h"
 114 #define cl_setenv(sp,name,val)  perl_setenv(sp,name,val)
 115 #define cl_unsetenv(sp,name)    perl_setenv(sp,name,NULL)
 116 #else
 117 #define cl_setenv(sp,name,val)  setenv(name,val,1)
 118 #define cl_unsetenv(sp,name)    unsetenv(name)
 119 #endif