129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/* infokey.h -- Custom keystroke definition support.
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$Id: infokey.h,v 1.2 2004/04/11 17:56:45 karl Exp $
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Written by Andrew Bettison <andrewb@zip.com.au>.
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This design was derived from the "lesskey" system in less 3.4.0. by
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Mark Nudelman.
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The following terminology is confusing:
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source file = $HOME/.infokey
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infokey file = $HOME/.info
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Oh, well.
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*/
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/* Default source file, where user writes text definitions to be
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compiled to the infokey file. MS-DOS doesn't allow leading
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dots in file names. */
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#ifdef __MSDOS__
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#define INFOKEY_SRCFILE "_infokey"
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#else
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#define INFOKEY_SRCFILE ".infokey"
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#endif
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/* Default "infokey file", where compiled user defs are kept and
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read by Info. MS-DOS doesn't allow leading dots in file names. */
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#ifdef __MSDOS__
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#define INFOKEY_FILE "_info"
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#else
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#define INFOKEY_FILE ".info"
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#endif
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/*
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Format of entire infokey file:
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4 bytes magic number S
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X bytes version string
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1 byte '\0' terminator
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any number of sections:
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1 byte section id
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2 bytes section length (N)
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N bytes section definitions: format depends on section
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4 bytes magic number E
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Format of INFO and EA sections:
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1 byte flag: 1 == suppress default key bindings
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Repeat:
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X bytes key sequence
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1 byte '\0' terminator
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1 byte action code (A_xxx)
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Format of VAR section:
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Repeat:
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X bytes variable name
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1 byte '\0' terminator
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Y bytes value
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1 byte '\0' terminator
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*/
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#define INFOKEY_NMAGIC 8
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#define INFOKEY_MAGIC_S0 '\001'
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#define INFOKEY_MAGIC_S1 'I'
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#define INFOKEY_MAGIC_S2 'n'
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#define INFOKEY_MAGIC_S3 'f'
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#define INFOKEY_SECTION_INFO 'i'
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#define INFOKEY_SECTION_EA 'e'
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#define INFOKEY_SECTION_VAR 'v'
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#define INFOKEY_MAGIC_E0 'A'
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#define INFOKEY_MAGIC_E1 'l'
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#define INFOKEY_MAGIC_E2 'f'
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#define INFOKEY_MAGIC_E3 'n'
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#define INFOKEY_RADIX 64
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#define INFOKEY_MAX_SECTIONLEN 500
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#define INFOKEY_MAX_DEFLEN 16
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#define A_MAX_COMMAND 120
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#define A_INVALID 121
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/* Character transformations (independent of info's own) */
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#define CONTROL(c) ((c) & 0x1f)
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#define ISCONTROL(c) (((c) & ~0x1f) == 0)
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#define META(c) ((c) | 0x80)
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#define UNMETA(c) ((c) & ~0x80)
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#define ISMETA(c) (((c) & 0x80) != 0)
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/* Special keys (keys which output different strings on different terminals) */
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#define SK_ESCAPE CONTROL('k')
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#define SK_RIGHT_ARROW 1
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#define SK_LEFT_ARROW 2
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#define SK_UP_ARROW 3
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#define SK_DOWN_ARROW 4
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#define SK_PAGE_UP 5
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#define SK_PAGE_DOWN 6
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#define SK_HOME 7
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#define SK_END 8
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#define SK_DELETE 9
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#define SK_INSERT 10
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#define SK_CTL_LEFT_ARROW 11
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#define SK_CTL_RIGHT_ARROW 12
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#define SK_CTL_DELETE 13
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#define SK_LITERAL 40
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