+++ /dev/null
-/*
- fe-help.c : irssi
-
- Copyright (C) 1999-2001 Timo Sirainen
-
- 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 of the License, 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
-*/
-
-#include "module.h"
-#include "signals.h"
-#include "commands.h"
-#include "levels.h"
-#include "misc.h"
-#include "line-split.h"
-#include "settings.h"
-
-#include "printtext.h"
-#include "formats.h"
-
-static int commands_equal(COMMAND_REC *rec, COMMAND_REC *rec2)
-{
- int i;
-
- if (rec->category == NULL && rec2->category != NULL)
- return -1;
- if (rec2->category == NULL && rec->category != NULL)
- return 1;
- if (rec->category != NULL && rec2->category != NULL) {
- i = strcmp(rec->category, rec2->category);
- if (i != 0)
- return i;
- }
-
- return strcmp(rec->cmd, rec2->cmd);
-}
-
-static int get_cmd_length(void *data)
-{
- return strlen(((COMMAND_REC *) data)->cmd);
-}
-
-static void help_category(GSList *cmdlist, int items)
-{
- WINDOW_REC *window;
- TEXT_DEST_REC dest;
- GString *str;
- GSList *tmp;
- int *columns, cols, rows, col, row, last_col_rows, max_width;
- char *linebuf, *format, *stripped;
-
- window = window_find_closest(NULL, NULL, MSGLEVEL_CLIENTCRAP);
- max_width = window->width;
-
- /* remove width of timestamp from max_width */
- format_create_dest(&dest, NULL, NULL, MSGLEVEL_CLIENTCRAP, NULL);
- format = format_get_line_start(current_theme, &dest, time(NULL));
- if (format != NULL) {
- stripped = strip_codes(format);
- max_width -= strlen(stripped);
- g_free(stripped);
- g_free(format);
- }
-
- /* calculate columns */
- cols = get_max_column_count(cmdlist, get_cmd_length,
- max_width, 6, 1, 3, &columns, &rows);
- cmdlist = columns_sort_list(cmdlist, rows);
-
- /* rows in last column */
- last_col_rows = rows-(cols*rows-g_slist_length(cmdlist));
- if (last_col_rows == 0)
- last_col_rows = rows;
-
- str = g_string_new(NULL);
- linebuf = g_malloc(max_width+1);
-
- col = 0; row = 0;
- for (tmp = cmdlist; tmp != NULL; tmp = tmp->next) {
- COMMAND_REC *rec = tmp->data;
-
- memset(linebuf, ' ', columns[col]);
- linebuf[columns[col]] = '\0';
- memcpy(linebuf, rec->cmd, strlen(rec->cmd));
- g_string_append(str, linebuf);
-
- if (++col == cols) {
- printtext(NULL, NULL,
- MSGLEVEL_CLIENTCRAP, "%s", str->str);
- g_string_truncate(str, 0);
- col = 0; row++;
-
- if (row == last_col_rows)
- cols--;
- }
- }
- if (str->len != 0)
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s", str->str);
-
- g_slist_free(cmdlist);
- g_string_free(str, TRUE);
- g_free(columns);
- g_free(linebuf);
-}
-
-static int show_help_file(const char *file)
-{
- const char *helppath;
- char tmpbuf[1024], *str, *path, **paths, **tmp;
- LINEBUF_REC *buffer = NULL;
- int f, ret, recvlen;
-
- helppath = settings_get_str("help_path");
-
- paths = g_strsplit(helppath, ":", -1);
-
- f = -1;
- for (tmp = paths; *tmp != NULL; tmp++) {
- /* helpdir/command or helpdir/category/command */
- path = g_strdup_printf("%s/%s", *tmp, file);
- f = open(path, O_RDONLY);
- g_free(path);
-
- if (f != -1)
- break;
-
- }
-
- g_strfreev(paths);
-
- if (f == -1)
- return FALSE;
-
- /* just print to screen whatever is in the file */
- do {
- recvlen = read(f, tmpbuf, sizeof(tmpbuf));
-
- ret = line_split(tmpbuf, recvlen, &str, &buffer);
- if (ret > 0) {
- str = g_strconcat("%|", str, NULL);
- printtext_string(NULL, NULL, MSGLEVEL_CLIENTCRAP, str);
- g_free(str);
- }
- }
- while (ret > 0);
- line_split_free(buffer);
-
- close(f);
- return TRUE;
-}
-
-static void show_help(const char *data)
-{
- COMMAND_REC *rec, *last;
- GSList *tmp, *cmdlist;
- int items, findlen;
- int header, found, fullmatch;
-
- g_return_if_fail(data != NULL);
-
- /* sort the commands list */
- commands = g_slist_sort(commands, (GCompareFunc) commands_equal);
-
- /* print command, sort by category */
- cmdlist = NULL; last = NULL; header = FALSE; fullmatch = FALSE;
- items = 0; findlen = strlen(data); found = FALSE;
- for (tmp = commands; tmp != NULL; last = rec, tmp = tmp->next) {
- rec = tmp->data;
-
- if (last != NULL && rec->category != NULL &&
- (last->category == NULL ||
- strcmp(rec->category, last->category) != 0)) {
- /* category changed */
- if (items > 0) {
- if (!header) {
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "Irssi commands:");
- header = TRUE;
- }
- if (last->category != NULL) {
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s:", last->category);
- }
- help_category(cmdlist, items);
- }
-
- g_slist_free(cmdlist); cmdlist = NULL;
- items = 0;
- }
-
- if (last != NULL && g_strcasecmp(rec->cmd, last->cmd) == 0)
- continue; /* don't display same command twice */
-
- if ((int)strlen(rec->cmd) >= findlen &&
- g_strncasecmp(rec->cmd, data, findlen) == 0) {
- if (rec->cmd[findlen] == '\0') {
- fullmatch = TRUE;
- found = TRUE;
- break;
- }
- else if (strchr(rec->cmd+findlen+1, ' ') == NULL) {
- /* not a subcommand (and matches the query) */
- items++;
- cmdlist = g_slist_append(cmdlist, rec);
- found = TRUE;
- }
- }
- }
-
- if ((!found || fullmatch) && !show_help_file(data)) {
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
- "No help for %s", data);
- }
-
- if (*data != '\0' && data[strlen(data)-1] != ' ' &&
- command_have_sub(data)) {
- char *cmd;
-
- cmd = g_strconcat(data, " ", NULL);
- show_help(cmd);
- g_free(cmd);
- }
-
- if (items != 0) {
- /* display the last category */
- if (!header) {
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
- "Irssi commands:");
- header = TRUE;
- }
-
- if (last->category != NULL) {
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
- printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
- "%s:", last->category);
- }
- help_category(cmdlist, items);
- g_slist_free(cmdlist);
- }
-}
-
-/* SYNTAX: HELP [<command>] */
-static void cmd_help(const char *data)
-{
- char *cmd, *ptr;
-
- cmd = g_strdup(data);
- ptr = cmd+strlen(cmd);
- while (ptr[-1] == ' ') ptr--; *ptr = '\0';
-
- g_strdown(cmd);
- show_help(cmd);
- g_free(cmd);
-}
-
-void fe_help_init(void)
-{
- settings_add_str("misc", "help_path", HELPDIR);
- command_bind("help", NULL, (SIGNAL_FUNC) cmd_help);
-}
-
-void fe_help_deinit(void)
-{
- command_unbind("help", (SIGNAL_FUNC) cmd_help);
-}
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