1 /**
2  * @file
3  * Read/write command history from/to a file
4  *
5  * @authors
6  * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
7  *
8  * @copyright
9  * This program is free software: you can redistribute it and/or modify it under
10  * the terms of the GNU General Public License as published by the Free Software
11  * Foundation, either version 2 of the License, or (at your option) any later
12  * version.
13  *
14  * This program is distributed in the hope that it will be useful, but WITHOUT
15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
17  * details.
18  *
19  * You should have received a copy of the GNU General Public License along with
20  * this program.  If not, see <http://www.gnu.org/licenses/>.
21  */
22 
23 /**
24  * @page neo_mutt_history Read/write command history from/to a file
25  *
26  * Read/write command history from/to a file
27  */
28 
29 #include "config.h"
30 #include <stdio.h>
31 #include "mutt/lib.h"
32 #include "config/lib.h"
33 #include "core/lib.h"
34 #include "mutt_history.h"
35 #include "history/lib.h"
36 
37 /**
38  * mutt_hist_complete - Complete a string from a history list
39  * @param buf    Buffer in which to save string
40  * @param buflen Buffer length
41  * @param hclass History list to use
42  */
mutt_hist_complete(char * buf,size_t buflen,enum HistoryClass hclass)43 void mutt_hist_complete(char *buf, size_t buflen, enum HistoryClass hclass)
44 {
45   const short c_history = cs_subset_number(NeoMutt->sub, "history");
46   char **matches = mutt_mem_calloc(c_history, sizeof(char *));
47   int match_count = mutt_hist_search(buf, hclass, matches);
48   if (match_count)
49   {
50     if (match_count == 1)
51       mutt_str_copy(buf, matches[0], buflen);
52     else
53       dlg_select_history(buf, buflen, matches, match_count);
54   }
55   FREE(&matches);
56 }
57 
58 /**
59  * main_hist_observer - Notification that a Config Variable has changed - Implements ::observer_t - @ingroup observer_api
60  */
main_hist_observer(struct NotifyCallback * nc)61 int main_hist_observer(struct NotifyCallback *nc)
62 {
63   if ((nc->event_type != NT_CONFIG) || !nc->event_data)
64     return -1;
65 
66   struct EventConfig *ev_c = nc->event_data;
67 
68   if (!mutt_str_equal(ev_c->name, "history"))
69     return 0;
70 
71   mutt_hist_init();
72   mutt_debug(LL_DEBUG5, "history done\n");
73   return 0;
74 }
75