/* infokey.h -- Custom keystroke definition support. $Id: infokey.h,v 1.1.1.2 2006/07/17 16:03:45 espie Exp $ Copyright (C) 1999, 2002 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Written by Andrew Bettison . This design was derived from the "lesskey" system in less 3.4.0. by Mark Nudelman. The following terminology is confusing: source file = $HOME/.infokey infokey file = $HOME/.info Oh, well. */ /* Default source file, where user writes text definitions to be compiled to the infokey file. MS-DOS doesn't allow leading dots in file names. */ #ifdef __MSDOS__ #define INFOKEY_SRCFILE "_infokey" #else #define INFOKEY_SRCFILE ".infokey" #endif /* Default "infokey file", where compiled user defs are kept and read by Info. MS-DOS doesn't allow leading dots in file names. */ #ifdef __MSDOS__ #define INFOKEY_FILE "_info" #else #define INFOKEY_FILE ".info" #endif /* Format of entire infokey file: 4 bytes magic number S X bytes version string 1 byte '\0' terminator any number of sections: 1 byte section id 2 bytes section length (N) N bytes section definitions: format depends on section 4 bytes magic number E Format of INFO and EA sections: 1 byte flag: 1 == suppress default key bindings Repeat: X bytes key sequence 1 byte '\0' terminator 1 byte action code (A_xxx) Format of VAR section: Repeat: X bytes variable name 1 byte '\0' terminator Y bytes value 1 byte '\0' terminator */ #define INFOKEY_NMAGIC 8 #define INFOKEY_MAGIC_S0 '\001' #define INFOKEY_MAGIC_S1 'I' #define INFOKEY_MAGIC_S2 'n' #define INFOKEY_MAGIC_S3 'f' #define INFOKEY_SECTION_INFO 'i' #define INFOKEY_SECTION_EA 'e' #define INFOKEY_SECTION_VAR 'v' #define INFOKEY_MAGIC_E0 'A' #define INFOKEY_MAGIC_E1 'l' #define INFOKEY_MAGIC_E2 'f' #define INFOKEY_MAGIC_E3 'n' #define INFOKEY_RADIX 64 #define INFOKEY_MAX_SECTIONLEN 500 #define INFOKEY_MAX_DEFLEN 16 #define A_MAX_COMMAND 120 #define A_INVALID 121 /* Character transformations (independent of info's own) */ #define CONTROL(c) ((c) & 0x1f) #define ISCONTROL(c) (((c) & ~0x1f) == 0) #define META(c) ((c) | 0x80) #define UNMETA(c) ((c) & ~0x80) #define ISMETA(c) (((c) & 0x80) != 0) /* Special keys (keys which output different strings on different terminals) */ #define SK_ESCAPE CONTROL('k') #define SK_RIGHT_ARROW 1 #define SK_LEFT_ARROW 2 #define SK_UP_ARROW 3 #define SK_DOWN_ARROW 4 #define SK_PAGE_UP 5 #define SK_PAGE_DOWN 6 #define SK_HOME 7 #define SK_END 8 #define SK_DELETE 9 #define SK_INSERT 10 #define SK_CTL_LEFT_ARROW 11 #define SK_CTL_RIGHT_ARROW 12 #define SK_CTL_DELETE 13 #define SK_LITERAL 40