1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
|
/* 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"
#include "info.h"
static void add_function_key(char *, VFunction *, Keymap);
extern char *term_ku, *term_kd, *term_kr, *term_kl;
extern char *term_kP, *term_kN, *term_kh, *term_kH;
/* 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;
/* Add functions for the arrow keys, PageUp, PageDown, Home, HomeDown */
add_function_key(term_ku, info_prev_line, info_keymap);
add_function_key(term_kd, info_next_line, info_keymap);
add_function_key(term_kl, info_backward_char, info_keymap);
add_function_key(term_kr, info_forward_char, info_keymap);
add_function_key(term_kP, info_scroll_backward, info_keymap);
add_function_key(term_kN, info_scroll_forward, info_keymap);
add_function_key(term_kh, info_beginning_of_node, info_keymap);
add_function_key(term_kH, info_end_of_node, info_keymap);
}
static void add_function_key(char *esc_seq, VFunction *func, Keymap map)
{
char *end_str, *p;
if (!esc_seq)
return; /* don't add keys which don't exist */
end_str = esc_seq + strlen(esc_seq);
for (p = esc_seq; p < end_str; p++)
{
if (isupper(*p))
*p = tolower(*p);
switch (map[*p].type)
{
case ISKMAP: /* Go one level down. Also has the effect
that we're not overwriting a previous
binding if we're at the end of p */
map = (Keymap)map[*p].function;
break;
case ISFUNC: /* two possibilities here:
1. map[*p].function == NULL means we have
a virgin keymap to fill;
2. else this entry is already taken */
if (map[*p].function == NULL)
{
if (p == end_str - 1)
{
map[*p].function = func;
return;
}
map[*p].type = ISKMAP;
map[*p].function = (VFunction *)keymap_make_keymap();
map = (Keymap)map[*p].function;
} else
return;
break;
default: /* can't happen */
info_error("unknown keymap type (%d).", map[*p].type);
break;
}
}
return;
}
|