| 1 | /* infomap.h -- description of a keymap in Info and related functions.
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| 2 | $Id: infomap.h,v 1.3 2004/04/11 17:56:46 karl Exp $
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| 3 |
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| 4 | Copyright (C) 1993, 2001, 2004 Free Software Foundation, Inc.
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; if not, write to the Free Software
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| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 19 |
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| 20 | Written by Brian Fox (bfox@ai.mit.edu). */
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| 21 |
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| 22 | #ifndef INFOMAP_H
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| 23 | #define INFOMAP_H
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| 24 |
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| 25 | #include "info.h"
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| 26 |
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| 27 | #define ESC '\033'
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| 28 | #define DEL '\177'
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| 29 | #define TAB '\011'
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| 30 | #define RET '\r'
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| 31 | #define LFD '\n'
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| 32 | #define SPC ' '
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| 33 |
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| 34 | #define meta_character_threshold (DEL + 1)
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| 35 | #define control_character_threshold (SPC)
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| 36 |
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| 37 | #define meta_character_bit 0x80
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| 38 | #define control_character_bit 0x40
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| 39 |
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| 40 | #define Meta_p(c) (((c) > meta_character_threshold))
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| 41 | #define Control_p(c) ((c) < control_character_threshold)
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| 42 |
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| 43 | #define Meta(c) ((c) | (meta_character_bit))
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| 44 | #define UnMeta(c) ((c) & (~meta_character_bit))
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| 45 | #define Control(c) ((toupper (c)) & (~control_character_bit))
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| 46 | #define UnControl(c) (tolower ((c) | control_character_bit))
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| 47 |
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| 48 | /* A keymap contains one entry for each key in the ASCII set.
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| 49 | Each entry consists of a type and a pointer.
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| 50 | FUNCTION is the address of a function to run, or the
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| 51 | address of a keymap to indirect through.
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| 52 | TYPE says which kind of thing FUNCTION is. */
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| 53 | typedef struct keymap_entry
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| 54 | {
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| 55 | char type;
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| 56 | InfoCommand *function;
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| 57 | } KEYMAP_ENTRY;
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| 58 |
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| 59 | typedef KEYMAP_ENTRY *Keymap;
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| 60 |
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| 61 | /* The values that TYPE can have in a keymap entry. */
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| 62 | #define ISFUNC 0
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| 63 | #define ISKMAP 1
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| 64 |
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| 65 | extern Keymap info_keymap;
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| 66 | extern Keymap echo_area_keymap;
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| 67 |
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| 68 | /* Return a new keymap which has all the uppercase letters mapped to run
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| 69 | the function info_do_lowercase_version (). */
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| 70 | extern Keymap keymap_make_keymap (void);
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| 71 |
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| 72 | /* Return a new keymap which is a copy of MAP. */
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| 73 | extern Keymap keymap_copy_keymap (Keymap map, Keymap rootmap,
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| 74 | Keymap newroot);
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| 75 |
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| 76 | /* Free MAP and it's descendents. */
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| 77 | extern void keymap_discard_keymap (Keymap map, Keymap rootmap);
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| 78 |
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| 79 | /* Initialize the info keymaps. */
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| 80 | extern void initialize_info_keymaps (void);
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| 81 |
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| 82 | #endif /* not INFOMAP_H */
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