4 Copyright (C) 1999-2001 Timo Sirainen
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "line-split.h"
29 #include "printtext.h"
32 static int commands_equal(COMMAND_REC *rec, COMMAND_REC *rec2)
34 if (rec->category == NULL && rec2->category != NULL)
36 if (rec2->category == NULL && rec->category != NULL)
39 return strcmp(rec->cmd, rec2->cmd);
42 static int get_cmd_length(void *data)
44 return strlen(((COMMAND_REC *) data)->cmd);
47 static void help_category(GSList *cmdlist, int items)
53 int *columns, cols, rows, col, row, last_col_rows, max_width;
54 char *linebuf, *format, *stripped;
56 window = window_find_closest(NULL, NULL, MSGLEVEL_CLIENTCRAP);
57 max_width = window->width;
59 /* remove width of timestamp from max_width */
60 format_create_dest(&dest, NULL, NULL, MSGLEVEL_CLIENTCRAP, NULL);
61 format = format_get_line_start(current_theme, &dest, time(NULL));
63 stripped = strip_codes(format);
64 max_width -= strlen(stripped);
69 /* calculate columns */
70 cols = get_max_column_count(cmdlist, get_cmd_length,
71 max_width, 6, 1, 3, &columns, &rows);
72 cmdlist = columns_sort_list(cmdlist, rows);
74 /* rows in last column */
75 last_col_rows = rows-(cols*rows-g_slist_length(cmdlist));
76 if (last_col_rows == 0)
79 str = g_string_new(NULL);
80 linebuf = g_malloc(max_width+1);
83 for (tmp = cmdlist; tmp != NULL; tmp = tmp->next) {
84 COMMAND_REC *rec = tmp->data;
86 memset(linebuf, ' ', columns[col]);
87 linebuf[columns[col]] = '\0';
88 memcpy(linebuf, rec->cmd, strlen(rec->cmd));
89 g_string_append(str, linebuf);
93 MSGLEVEL_CLIENTCRAP, "%s", str->str);
94 g_string_truncate(str, 0);
97 if (row == last_col_rows)
102 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s", str->str);
104 g_slist_free(cmdlist);
105 g_string_free(str, TRUE);
110 static int show_help_file(const char *file)
112 const char *helppath;
113 char tmpbuf[1024], *str, *path;
114 LINEBUF_REC *buffer = NULL;
117 helppath = settings_get_str("help_path");
119 /* helpdir/command or helpdir/category/command */
120 path = g_strdup_printf("%s/%s", helppath, file);
121 f = open(path, O_RDONLY);
127 /* just print to screen whatever is in the file */
129 recvlen = read(f, tmpbuf, sizeof(tmpbuf));
131 ret = line_split(tmpbuf, recvlen, &str, &buffer);
133 str = g_strconcat("%|", str, NULL);
134 printtext_string(NULL, NULL, MSGLEVEL_CLIENTCRAP, str);
139 line_split_free(buffer);
145 static void show_help(const char *data)
147 COMMAND_REC *rec, *last;
148 GSList *tmp, *cmdlist;
150 int header, found, fullmatch;
152 g_return_if_fail(data != NULL);
154 /* sort the commands list */
155 commands = g_slist_sort(commands, (GCompareFunc) commands_equal);
157 /* print command, sort by category */
158 cmdlist = NULL; last = NULL; header = FALSE; fullmatch = FALSE;
159 items = 0; findlen = strlen(data); found = FALSE;
160 for (tmp = commands; tmp != NULL; last = rec, tmp = tmp->next) {
163 if (last != NULL && rec->category != NULL &&
164 (last->category == NULL ||
165 strcmp(rec->category, last->category) != 0)) {
166 /* category changed */
169 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "Irssi commands:");
172 if (last->category != NULL) {
173 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
174 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s:", last->category);
176 help_category(cmdlist, items);
179 g_slist_free(cmdlist); cmdlist = NULL;
183 if (last != NULL && g_strcasecmp(rec->cmd, last->cmd) == 0)
184 continue; /* don't display same command twice */
186 if ((int)strlen(rec->cmd) >= findlen &&
187 g_strncasecmp(rec->cmd, data, findlen) == 0) {
188 if (rec->cmd[findlen] == '\0') {
193 else if (strchr(rec->cmd+findlen+1, ' ') == NULL) {
194 /* not a subcommand (and matches the query) */
196 cmdlist = g_slist_append(cmdlist, rec);
202 if ((!found || fullmatch) && !show_help_file(data)) {
203 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
204 "No help for %s", data);
207 if (*data != '\0' && data[strlen(data)-1] != ' ' &&
208 command_have_sub(data)) {
211 cmd = g_strconcat(data, " ", NULL);
217 /* display the last category */
219 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
224 if (last->category != NULL) {
225 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
226 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
227 "%s:", last->category);
229 help_category(cmdlist, items);
230 g_slist_free(cmdlist);
234 /* SYNTAX: HELP [<command>] */
235 static void cmd_help(const char *data)
239 cmd = g_strdup(data);
240 ptr = cmd+strlen(cmd);
241 while (ptr[-1] == ' ') ptr--; *ptr = '\0';
247 void fe_help_init(void)
249 settings_add_str("misc", "help_path", HELPDIR);
250 command_bind("help", NULL, (SIGNAL_FUNC) cmd_help);
253 void fe_help_deinit(void)
255 command_unbind("help", (SIGNAL_FUNC) cmd_help);