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" 65