contrib/nvi/tk/tki.h

   1 /*-
   2  * Copyright (c) 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  * Copyright (c) 1993, 1994, 1995, 1996
   5  *      Keith Bostic.  All rights reserved.
   6  *
   7  * See the LICENSE file for redistribution information.
   8  *
   9  *      @(#)tki.h       8.6 (Berkeley) 4/27/96
  10  */
  11
  12 #include <tcl.h>
  13 #include <tk.h>
  14
  15 typedef struct _tk_private {
  16         Tcl_Interp      *interp;/* Tcl interpreter cookie. */
  17
  18                                 /* Shared variables. */
  19         int     tk_cursor_row;  /* Current cursor row. */
  20         int     tk_cursor_col;  /* Current cursor col. */
  21         int     tk_ssize_row;   /* Screen rows. */
  22         int     tk_ssize_col;   /* Screen columns. */
  23
  24         struct termios orig;    /* Original terminal values. */
  25
  26         CHAR_T  ibuf[64];       /* Input keys. */
  27         int     ibuf_cnt;       /* Number of input keys. */
  28
  29                                 /* Event queue. */
  30         TAILQ_HEAD(_eventh, _event) evq;
  31
  32         int      killersig;     /* Killer signal. */
  33 #define INDX_HUP        0
  34 #define INDX_INT        1
  35 #define INDX_TERM       2
  36 #define INDX_WINCH      3
  37 #define INDX_MAX        4       /* Original signal information. */
  38         struct sigaction oact[INDX_MAX];
  39
  40 #define TK_LLINE_IV     0x0001  /* Last line is in inverse video. */
  41 #define TK_SCR_VI_INIT  0x0002  /* Vi screen initialized. */
  42 #define TK_SIGHUP       0x0004  /* SIGHUP arrived. */
  43 #define TK_SIGINT       0x0008  /* SIGINT arrived. */
  44 #define TK_SIGTERM      0x0010  /* SIGTERM arrived. */
  45 #define TK_SIGWINCH     0x0020  /* SIGWINCH arrived. */
  46         u_int16_t flags;
  47 } TK_PRIVATE;
  48
  49 extern GS *__global_list;
  50 #define TKP(sp)         ((TK_PRIVATE *)((sp)->gp->tk_private))
  51 #define GTKP(gp)        ((TK_PRIVATE *)gp->tk_private)
  52
  53 /* Return possibilities from the keyboard read routine. */
  54 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
  55
  56 /* The screen line relative to a specific window. */
  57 #define RLNO(sp, lno)   (sp)->woff + (lno)
  58
  59 /* Some functions can be safely ignored until the screen is running. */
  60 #define VI_INIT_IGNORE(sp)                                              \
  61         if (F_ISSET(sp, SC_VI) && !F_ISSET(TKP(sp), TK_SCR_VI_INIT))    \
  62                 return (0);
  63
  64 #include "tk_extern.h"