dist/nvi/cl/cl.h

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