1/* $NetBSD$ */ 2 3/*- 4 * Copyright (c) 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 * 9 * Id: ip.h,v 8.29 2000/07/17 21:17:54 skimo Exp (Berkeley) Date: 2000/07/17 21:17:54 10 */ 11 12#include <sys/socket.h> 13#include "ipc_def.h" 14 15typedef struct ipcmsghdr { 16 struct cmsghdr header; 17 int __room_for_fd; 18} IPCMSGHDR; 19 20struct _ip_vi_win; 21 22typedef struct _ip_private { 23 int i_fd; /* Input file descriptor. */ 24 int o_fd; /* Output file descriptor. */ 25 int t_fd; /* Terminal file descriptor. */ 26 27 int argc; 28 char **argv; 29 30 size_t row; /* Current row. */ 31 size_t col; /* Current column. */ 32 33 db_recno_t sb_total; /* scrollbar: total lines in file. */ 34 db_recno_t sb_top; /* scrollbar: top line on screen. */ 35 size_t sb_num; /* scrollbar: number of lines on screen. */ 36 37 size_t iblen; /* Input buffer length. */ 38 size_t iskip; /* Returned input buffer. */ 39 char ibuf[256]; /* Input buffer. */ 40 41 CHAR_T tbuf[256]; /* Input keys. */ 42 43#define IP_IN_EX 0x0001 /* Currently running ex. */ 44#define IP_ON_ALTERNATE 0x0002 /* Alternate on. */ 45#define IP_SCR_VI_INIT 0x0004 /* Vi screen initialized. */ 46 u_int32_t flags; 47} IP_PRIVATE; 48 49#define IPP(sp) ((IP_PRIVATE *)((sp)->wp->ip_private)) 50#define WIPP(wp) ((IP_PRIVATE *)((wp)->ip_private)) 51 52/* The screen line relative to a specific window. */ 53#define RLNO(sp, lno) (sp)->roff + (lno) 54#define RCNO(sp, cno) (sp)->coff + (cno) 55 56#define IPO_CODE_LEN 1 /* Length of a code value. */ 57#define IPO_INT_LEN 4 /* Length of an integer. */ 58 59/* A structure that can hold the information for any frame. */ 60typedef struct _ip_buf { 61 int code; /* Event code. */ 62 const char *str1; /* String #1. */ 63 u_int32_t len1; /* String #1 length. */ 64 const char *str2; /* String #1. */ 65 u_int32_t len2; /* String #1 length. */ 66 u_int32_t val1; /* Value #1. */ 67 u_int32_t val2; /* Value #2. */ 68 u_int32_t val3; /* Value #3. */ 69} IP_BUF; 70 71typedef int (*IPFunc) (struct _ip_vi_win *); 72typedef int (*IPFunc_1) (struct _ip_vi_win *, u_int32_t); 73typedef int (*IPFunc_1a) (struct _ip_vi_win *, u_int32_t, const char *, u_int32_t); 74typedef int (*IPFunc_a) (struct _ip_vi_win *, const char *, u_int32_t); 75typedef int (*IPFunc_ab1) (struct _ip_vi_win *, const char *, u_int32_t, 76 const char *, u_int32_t, u_int32_t); 77typedef int (*IPFunc_12) (struct _ip_vi_win *, u_int32_t, u_int32_t); 78typedef int (*IPFunc_123) (struct _ip_vi_win *, u_int32_t, u_int32_t, u_int32_t); 79 80typedef int (*IPUnmarshall) (struct _ip_vi_win *, IP_BUF *, IPFunc); 81 82typedef struct _ipfunlist { 83 char *format; 84 IPUnmarshall unmarshall; 85 size_t offset; 86} IPFUNLIST; 87 88typedef struct _vipfunlist { 89 char *format; 90 e_event_t e_event; 91} VIPFUNLIST; 92 93typedef struct ip_si_operations { 94 IPFunc_a addstr; 95 IPFunc_12 attribute; 96 IPFunc bell; 97 IPFunc busy_off; 98 IPFunc_a busy_on; 99 IPFunc clrtoeol; 100 IPFunc deleteln; 101 IPFunc discard; 102 IPFunc_ab1 editopt; 103 IPFunc insertln; 104 IPFunc_12 move; 105 IPFunc quit; 106 IPFunc redraw; 107 IPFunc refresh; 108 IPFunc_a rename; 109 IPFunc_1 rewrite; 110 IPFunc_123 scrollbar; 111 IPFunc_a select; 112 IPFunc split; 113 IPFunc_a waddstr; 114} IPSIOPS; 115 116struct _ip_vi; 117typedef struct _ip_vi IPVI; 118 119struct _ip_vi_win; 120typedef struct _ip_vi_win IPVIWIN; 121 122struct _ip_vi { 123 int ifd; /* Input file descriptor. */ 124 int ofd; /* Output file descriptor. */ 125 pid_t pid; 126 127 void *private_data; 128 129 u_int32_t flags; 130 131 int (*run) __P((IPVI*, int, char*[])); 132 int (*new_window) __P((IPVI *, IPVIWIN **, int)); 133 int (*close) __P((IPVI*)); 134}; 135 136struct _ip_vi_win { 137 int ifd; /* Input file descriptor. */ 138 int ofd; /* Output file descriptor. */ 139 140 void *private_data; 141 142 IPSIOPS *si_ops; 143 144 int (*c_bol) __P((IPVIWIN*)); 145 int (*c_bottom) __P((IPVIWIN*)); 146 int (*c_del) __P((IPVIWIN*)); 147 int (*c_eol) __P((IPVIWIN*)); 148 int (*c_insert) __P((IPVIWIN*)); 149 int (*c_left) __P((IPVIWIN*)); 150 int (*c_right) __P((IPVIWIN*)); 151 int (*c_top) __P((IPVIWIN*)); 152 int (*c_settop) __P((IPVIWIN*, u_int32_t)); 153 154 int (*string) __P((IPVIWIN*, const char*, u_int32_t)); 155 int (*wq) __P((IPVIWIN*)); 156 int (*quit) __P((IPVIWIN*)); 157 int (*resize) __P((IPVIWIN*, u_int32_t, u_int32_t)); 158 159 int (*input) __P((IPVIWIN*, int)); 160 int (*close) __P((IPVIWIN*)); 161 162 int (*set_ops) __P((IPVIWIN*, IPSIOPS*)); 163}; 164 165/* 166 * Screen/editor IP_CODE's. 167 * 168 * The program structure depends on the event loop being able to return 169 * IPO_EOF/IPO_ERR multiple times -- eventually enough things will end 170 * due to the events that vi will reach the command level for the screen, 171 * at which point the exit flags will be set and vi will exit. 172 * 173 * IP events sent from the screen to vi. 174 */ 175#define CODE_OOB 0 /* Illegal code. */ 176#if 0 177#define VI_C_BOL 1 /* Cursor to start of line. */ 178#define VI_C_BOTTOM 2 /* Cursor to bottom. */ 179#define VI_C_DEL 3 /* Cursor delete. */ 180#define VI_C_DOWN 4 /* Cursor down N lines: IPO_INT. */ 181#define VI_C_EOL 5 /* Cursor to end of line. */ 182#define VI_C_INSERT 6 /* Cursor: enter insert mode. */ 183#define VI_C_LEFT 7 /* Cursor left. */ 184#define VI_C_PGDOWN 8 /* Cursor down N pages: IPO_INT. */ 185#define VI_C_PGUP 9 /* Cursor up N lines: IPO_INT. */ 186#define VI_C_RIGHT 10 /* Cursor right. */ 187#define VI_C_SEARCH 11 /* Cursor: search: IPO_INT, IPO_STR. */ 188#define VI_C_SETTOP 12 /* Cursor: set screen top line: IPO_INT. */ 189#define VI_C_TOP 13 /* Cursor to top. */ 190#define VI_C_UP 14 /* Cursor up N lines: IPO_INT. */ 191#define VI_EDIT 15 /* Edit a file: IPO_STR. */ 192#define VI_EDITOPT 16 /* Edit option: 2 * IPO_STR, IPO_INT. */ 193#define VI_EDITSPLIT 17 /* Split to a file: IPO_STR. */ 194#define VI_EOF 18 /* End of input (NOT ^D). */ 195#define VI_ERR 19 /* Input error. */ 196#define VI_INTERRUPT 20 /* Interrupt. */ 197#define VI_MOUSE_MOVE 21 /* Mouse click move: IPO_INT, IPO_INT. */ 198#define VI_QUIT 22 /* Quit. */ 199#define VI_RESIZE 23 /* Screen resize: IPO_INT, IPO_INT. */ 200#define VI_SEL_END 24 /* Select end: IPO_INT, IPO_INT. */ 201#define VI_SEL_START 25 /* Select start: IPO_INT, IPO_INT. */ 202#define VI_SIGHUP 26 /* SIGHUP. */ 203#define VI_SIGTERM 27 /* SIGTERM. */ 204#define VI_STRING 28 /* Input string: IPO_STR. */ 205#define VI_TAG 29 /* Tag. */ 206#define VI_TAGAS 30 /* Tag to a string: IPO_STR. */ 207#define VI_TAGSPLIT 31 /* Split to a tag. */ 208#define VI_UNDO 32 /* Undo. */ 209#define VI_WQ 33 /* Write and quit. */ 210#define VI_WRITE 34 /* Write. */ 211#define VI_WRITEAS 35 /* Write as another file: IPO_STR. */ 212#define VI_FLAGS 36 /* Flags passed to nvi_create */ 213#endif 214 215#define VI_SEARCH_EXT 0x001 /* VI_C_SEARCH: ignore case. */ 216#define VI_SEARCH_IC 0x002 /* VI_C_SEARCH: ignore case. */ 217#define VI_SEARCH_ICL 0x004 /* VI_C_SEARCH: ignore case if lower-case. */ 218#define VI_SEARCH_INCR 0x008 /* VI_C_SEARCH: incremental search. */ 219#define VI_SEARCH_LIT 0x010 /* VI_C_SEARCH: literal string. */ 220#define VI_SEARCH_REV 0x020 /* VI_C_SEARCH: reverse direction. */ 221#define VI_SEARCH_WR 0x040 /* VI_C_SEARCH: wrap at sof/eof. */ 222 223/* 224 * IP events sent from vi to the screen. 225 */ 226#if 0 227#define SI_ADDSTR 1 /* Add a string: IPO_STR. */ 228#define SI_ATTRIBUTE 2 /* Set screen attribute: 2 * IPO_INT. */ 229#define SI_BELL 3 /* Beep/bell/flash the terminal. */ 230#define SI_BUSY_OFF 4 /* Display a busy message: IPO_STR. */ 231#define SI_BUSY_ON 5 /* Display a busy message: IPO_STR. */ 232#define SI_CLRTOEOL 6 /* Clear to the end of the line. */ 233#define SI_DELETELN 7 /* Delete a line. */ 234#define SI_DISCARD 8 /* Discard the screen. */ 235#define SI_EDITOPT 9 /* Edit option: 2 * IPO_STR, IPO_INT. */ 236#define SI_INSERTLN 10 /* Insert a line. */ 237#define SI_MOVE 11 /* Move the cursor: 2 * IPO_INT. */ 238#define SI_QUIT 12 /* Quit. */ 239#define SI_REDRAW 13 /* Redraw the screen. */ 240#define SI_REFRESH 14 /* Refresh the screen. */ 241#define SI_RENAME 15 /* Rename the screen: IPO_STR. */ 242#define SI_REPLY 16 /* Reply: IPO_INT (0/1), IPO_STR. */ 243#define SI_REWRITE 17 /* Rewrite a line: IPO_INT. */ 244#define SI_SCROLLBAR 18 /* Reset the scrollbar: 3 * IPO_INT. */ 245#define SI_SELECT 19 /* Select area: IPO_STR. */ 246#define SI_SPLIT 20 /* Split the screen. */ 247#define SI_EVENT_MAX 20 248#endif 249 250#include "extern.h" 251