| /* infomap.h -- Description of a keymap in Info and related functions. */ |
| |
| /* This file is part of GNU Info, a program for reading online documentation |
| stored in Info format. |
| |
| Copyright (C) 1993 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 Brian Fox (bfox@ai.mit.edu). */ |
| |
| #ifndef INFOMAP_H |
| #define INFOMAP_H |
| |
| #include "info.h" |
| |
| #define ESC '\033' |
| #define DEL '\177' |
| #define TAB '\011' |
| #define RET '\r' |
| #define LFD '\n' |
| #define SPC ' ' |
| |
| #define meta_character_threshold (DEL + 1) |
| #define control_character_threshold (SPC) |
| |
| #define meta_character_bit 0x80 |
| #define control_character_bit 0x40 |
| |
| #define Meta_p(c) (((c) > meta_character_threshold)) |
| #define Control_p(c) ((c) < control_character_threshold) |
| |
| #define Meta(c) ((c) | (meta_character_bit)) |
| #define UnMeta(c) ((c) & (~meta_character_bit)) |
| #define Control(c) ((toupper (c)) & (~control_character_bit)) |
| #define UnControl(c) (tolower ((c) | control_character_bit)) |
| |
| /* A keymap contains one entry for each key in the ASCII set. |
| Each entry consists of a type and a pointer. |
| FUNCTION is the address of a function to run, or the |
| address of a keymap to indirect through. |
| TYPE says which kind of thing FUNCTION is. */ |
| typedef struct { |
| char type; |
| VFunction *function; |
| } KEYMAP_ENTRY; |
| |
| typedef KEYMAP_ENTRY *Keymap; |
| |
| /* The values that TYPE can have in a keymap entry. */ |
| #define ISFUNC 0 |
| #define ISKMAP 1 |
| |
| extern Keymap info_keymap; |
| extern Keymap echo_area_keymap; |
| |
| /* Return a new keymap which has all the uppercase letters mapped to run |
| the function info_do_lowercase_version (). */ |
| extern Keymap keymap_make_keymap (); |
| |
| /* Return a new keymap which is a copy of MAP. */ |
| extern Keymap keymap_copy_keymap (); |
| |
| /* Free MAP and it's descendents. */ |
| extern void keymap_discard_keymap (); |
| |
| /* Initialize the info keymaps. */ |
| extern void initialize_info_keymaps (); |
| |
| #endif /* not INFOMAP_H */ |