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Diffstat (limited to 'texinfo/info/infomap.c')
| -rw-r--r-- | texinfo/info/infomap.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/texinfo/info/infomap.c b/texinfo/info/infomap.c new file mode 100644 index 00000000000..3f24f1f55d5 --- /dev/null +++ b/texinfo/info/infomap.c @@ -0,0 +1,274 @@ +/* infomap.c -- Keymaps for Info. */ + +/* 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). */ + +#include "stdio.h" +#include "ctype.h" +#include "infomap.h" +#include "funs.h" + +/* Return a new keymap which has all the uppercase letters mapped to run + the function info_do_lowercase_version (). */ +Keymap +keymap_make_keymap () +{ + register int i; + Keymap keymap; + + keymap = (Keymap)xmalloc (256 * sizeof (KEYMAP_ENTRY)); + + for (i = 0; i < 256; i++) + { + keymap[i].type = ISFUNC; + keymap[i].function = (VFunction *)NULL; + } + + for (i = 'A'; i < ('Z' + 1); i++) + { + keymap[i].type = ISFUNC; + keymap[i].function = info_do_lowercase_version; + } + + return (keymap); +} + +/* Return a new keymap which is a copy of MAP. */ +Keymap +keymap_copy_keymap (map) + Keymap map; +{ + register int i; + Keymap keymap; + + keymap = keymap_make_keymap (); + + for (i = 0; i < 256; i++) + { + keymap[i].type = map[i].type; + keymap[i].function = map[i].function; + } + return (keymap); +} + +/* Free the keymap and it's descendents. */ +void +keymap_discard_keymap (map) + Keymap (map); +{ + register int i; + + if (!map) + return; + + for (i = 0; i < 256; i++) + { + switch (map[i].type) + { + case ISFUNC: + break; + + case ISKMAP: + keymap_discard_keymap ((Keymap)map[i].function); + break; + + } + } +} + +/* Initialize the standard info keymaps. */ + +Keymap info_keymap = (Keymap)NULL; +Keymap echo_area_keymap = (Keymap)NULL; + +void +initialize_info_keymaps () +{ + register int i; + Keymap map; + + if (!info_keymap) + { + info_keymap = keymap_make_keymap (); + info_keymap[ESC].type = ISKMAP; + info_keymap[ESC].function = (VFunction *)keymap_make_keymap (); + info_keymap[Control ('x')].type = ISKMAP; + info_keymap[Control ('x')].function = (VFunction *)keymap_make_keymap (); + echo_area_keymap = keymap_make_keymap (); + echo_area_keymap[ESC].type = ISKMAP; + echo_area_keymap[ESC].function = (VFunction *)keymap_make_keymap (); + echo_area_keymap[Control ('x')].type = ISKMAP; + echo_area_keymap[Control ('x')].function = + (VFunction *)keymap_make_keymap (); + } + + /* Bind numeric arg functions for both echo area and info window maps. */ + for (i = '0'; i < '9' + 1; i++) + { + ((Keymap) info_keymap[ESC].function)[i].function = + ((Keymap) echo_area_keymap[ESC].function)[i].function = + info_add_digit_to_numeric_arg; + } + ((Keymap) info_keymap[ESC].function)['-'].function = + ((Keymap) echo_area_keymap[ESC].function)['-'].function = + info_add_digit_to_numeric_arg; + + /* Bind the echo area routines. */ + map = echo_area_keymap; + + /* Bind the echo area insert routines. */ + for (i = 0; i < 160; i++) + if (isprint (i)) + map[i].function = ea_insert; + + map[Control ('a')].function = ea_beg_of_line; + map[Control ('b')].function = ea_backward; + map[Control ('d')].function = ea_delete; + map[Control ('e')].function = ea_end_of_line; + map[Control ('f')].function = ea_forward; + map[Control ('g')].function = ea_abort; + map[Control ('h')].function = ea_rubout; + map[Control ('k')].function = ea_kill_line; + map[Control ('l')].function = info_redraw_display; + map[Control ('q')].function = ea_quoted_insert; + map[Control ('t')].function = ea_transpose_chars; + map[Control ('u')].function = info_universal_argument; + map[Control ('y')].function = ea_yank; + + map[LFD].function = ea_newline; + map[RET].function = ea_newline; + map[SPC].function = ea_complete; + map[TAB].function = ea_complete; + map['?'].function = ea_possible_completions; + map[DEL].function = ea_rubout; + + /* Bind the echo area ESC keymap. */ + map = (Keymap)echo_area_keymap[ESC].function; + + map[Control ('g')].function = ea_abort; + map[Control ('v')].function = ea_scroll_completions_window; + map['b'].function = ea_backward_word; + map['d'].function = ea_kill_word; + map['f'].function = ea_forward_word; +#if defined (NAMED_FUNCTIONS) + /* map['x'].function = info_execute_command; */ +#endif /* NAMED_FUNCTIONS */ + map['y'].function = ea_yank_pop; + map['?'].function = ea_possible_completions; + map[TAB].function = ea_tab_insert; + map[DEL].function = ea_backward_kill_word; + + /* Bind the echo area Control-x keymap. */ + map = (Keymap)echo_area_keymap[Control ('x')].function; + + map['o'].function = info_next_window; + map[DEL].function = ea_backward_kill_line; + + /* Bind commands for Info window keymaps. */ + map = info_keymap; + map[TAB].function = info_move_to_next_xref; + map[LFD].function = info_select_reference_this_line; + map[RET].function = info_select_reference_this_line; + map[SPC].function = info_scroll_forward; + map[Control ('a')].function = info_beginning_of_line; + map[Control ('b')].function = info_backward_char; + map[Control ('e')].function = info_end_of_line; + map[Control ('f')].function = info_forward_char; + map[Control ('g')].function = info_abort_key; + map[Control ('h')].function = info_get_help_window; + map[Control ('l')].function = info_redraw_display; + map[Control ('n')].function = info_next_line; + map[Control ('p')].function = info_prev_line; + map[Control ('r')].function = isearch_backward; + map[Control ('s')].function = isearch_forward; + map[Control ('u')].function = info_universal_argument; + map[Control ('v')].function = info_scroll_forward; + map[','].function = info_next_index_match; + + for (i = '1'; i < '9' + 1; i++) + map[i].function = info_menu_digit; + map['0'].function = info_last_menu_item; + + map['<'].function = info_first_node; + map['>'].function = info_last_node; + map['?'].function = info_get_help_window; + map['['].function = info_global_prev_node; + map[']'].function = info_global_next_node; + + map['b'].function = info_beginning_of_node; + map['d'].function = info_dir_node; + map['e'].function = info_end_of_node; + map['f'].function = info_xref_item; + map['g'].function = info_goto_node; + map['h'].function = info_get_info_help_node; + map['i'].function = info_index_search; + map['l'].function = info_history_node; + map['m'].function = info_menu_item; + map['n'].function = info_next_node; + map['p'].function = info_prev_node; + map['q'].function = info_quit; + map['r'].function = info_xref_item; + map['s'].function = info_search; + map['t'].function = info_top_node; + map['u'].function = info_up_node; + map[DEL].function = info_scroll_backward; + + /* Bind members in the ESC map for Info windows. */ + map = (Keymap)info_keymap[ESC].function; + map[Control ('f')].function = info_show_footnotes; + map[Control ('g')].function = info_abort_key; + map[TAB].function = info_move_to_prev_xref; + map[Control ('v')].function = info_scroll_other_window; + map['<'].function = info_beginning_of_node; + map['>'].function = info_end_of_node; + map['b'].function = info_backward_word; + map['f'].function = info_forward_word; + map['r'].function = info_move_to_window_line; + map['v'].function = info_scroll_backward; +#if defined (NAMED_FUNCTIONS) + map['x'].function = info_execute_command; +#endif /* NAMED_FUNCTIONS */ + + /* Bind members in the Control-X map for Info windows. */ + map = (Keymap)info_keymap[Control ('x')].function; + + map[Control ('b')].function = list_visited_nodes; + map[Control ('c')].function = info_quit; + map[Control ('f')].function = info_view_file; + map[Control ('g')].function = info_abort_key; + map[Control ('v')].function = info_view_file; + map['0'].function = info_delete_window; + map['1'].function = info_keep_one_window; + map['2'].function = info_split_window; + map['^'].function = info_grow_window; + map['b'].function = select_visited_node; + map['k'].function = info_kill_node; + map['o'].function = info_next_window; + map['t'].function = info_tile_windows; + map['w'].function = info_toggle_wrap; +} + +/* Strings which represent the sequence of characters that the arrow keys + produce. If these keys begin with ESC, and the second character of the + sequence does not conflict with an existing binding in the Meta keymap, + then bind the keys to do what C-p, C-n, C-f, and C-b do. */ +extern char *term_ku, *term_kd, *term_kr, *term_kl; + |