1 /* infomap.h -- description of a keymap in Info and related functions. 2 $Id: infomap.h,v 1.1.1.4 2006/07/17 16:03:43 espie Exp $ 3 4 Copyright (C) 1993, 2001, 2004 Free Software Foundation, Inc. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 20 Written by Brian Fox (bfox@ai.mit.edu). */ 21 22 #ifndef INFOMAP_H 23 #define INFOMAP_H 24 25 #include "info.h" 26 27 #define ESC '\033' 28 #define DEL '\177' 29 #define TAB '\011' 30 #define RET '\r' 31 #define LFD '\n' 32 #define SPC ' ' 33 34 #define meta_character_threshold (DEL + 1) 35 #define control_character_threshold (SPC) 36 37 #define meta_character_bit 0x80 38 #define control_character_bit 0x40 39 40 #define Meta_p(c) (((c) > meta_character_threshold)) 41 #define Control_p(c) ((c) < control_character_threshold) 42 43 #define Meta(c) ((c) | (meta_character_bit)) 44 #define UnMeta(c) ((c) & (~meta_character_bit)) 45 #define Control(c) ((toupper (c)) & (~control_character_bit)) 46 #define UnControl(c) (tolower ((c) | control_character_bit)) 47 48 /* A keymap contains one entry for each key in the ASCII set. 49 Each entry consists of a type and a pointer. 50 FUNCTION is the address of a function to run, or the 51 address of a keymap to indirect through. 52 TYPE says which kind of thing FUNCTION is. */ 53 typedef struct keymap_entry 54 { 55 char type; 56 InfoCommand *function; 57 } KEYMAP_ENTRY; 58 59 typedef KEYMAP_ENTRY *Keymap; 60 61 /* The values that TYPE can have in a keymap entry. */ 62 #define ISFUNC 0 63 #define ISKMAP 1 64 65 extern Keymap info_keymap; 66 extern Keymap echo_area_keymap; 67 68 /* Return a new keymap which has all the uppercase letters mapped to run 69 the function info_do_lowercase_version (). */ 70 extern Keymap keymap_make_keymap (void); 71 72 /* Return a new keymap which is a copy of MAP. */ 73 extern Keymap keymap_copy_keymap (Keymap map, Keymap rootmap, 74 Keymap newroot); 75 76 /* Free MAP and it's descendents. */ 77 extern void keymap_discard_keymap (Keymap map, Keymap rootmap); 78 79 /* Initialize the info keymaps. */ 80 extern void initialize_info_keymaps (void); 81 82 #endif /* not INFOMAP_H */ 83