src/manual.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <string.h>
  29
  30 #if HAVE_LOCALE_H
  31 #  include <locale.h>
  32 #endif
  33
  34 #if !defined(LC_MESSAGES) && defined(G_OS_WIN32)
  35 #include <libintl.h>
  36 #endif
  37
  38
  39 #include "prefs_common.h"
  40 #include "manual.h"
  41 #include "utils.h"
  42
  43
  44 static gchar *get_language()
  45 {
  46         gchar *language;
  47         gchar *c;
  48
  49 #ifdef G_OS_WIN32
  50         language = g_strdup(gtk_set_locale());
  51 #else
  52         /* FIXME: Why not using gtk_set_locale here too? -wk */
  53         language = g_strdup(setlocale(LC_MESSAGES, NULL));
  54 #endif
  55         /* At least under W32 it is possible that gtk_set_locate
  56            returns NULL.  This is not documented but well, it happens
  57            and g_strdup is happy with a NULL argument.  We return a
  58            standard language string in this case. */
  59         if (!language)
  60                 return g_strdup("en");
  61         if((c = strchr(language, ',')) != NULL)
  62                 *c = '\0';
  63         if((c = strchr(language, '_')) != NULL)
  64                 *c = '\0';
  65
  66         return language;
  67 }
  68
  69 static gchar *get_local_path_with_locale(gchar *rootpath)
  70 {
  71         gchar *lang_str, *dir;
  72
  73         lang_str = get_language();
  74         dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  75                           lang_str, NULL);
  76         g_free(lang_str);
  77         if(!is_dir_exist(dir)) {
  78                 g_free(dir);
  79                 dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  80                                   "en", NULL);
  81                 if(!is_dir_exist(dir)) {
  82                         g_free(dir);
  83                         dir = NULL;
  84                 }
  85         }
  86
  87         return dir;
  88 }
  89
  90 gboolean manual_available(ManualType type)
  91 {
  92         gboolean ret = FALSE;
  93         gchar *dir = NULL, *uri = NULL;
  94
  95         switch (type) {
  96                 case MANUAL_MANUAL_CLAWS:
  97                         dir = get_local_path_with_locale(MANUALDIR);
  98                         if (dir != NULL) {
  99                                 uri = g_strconcat(dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX, NULL);
 100                                 g_free(dir);
 101                                 if (is_file_exist(uri))
 102                                         ret = TRUE;
 103                                 else
 104                                         ret = FALSE;
 105                                 g_free(uri);
 106                         }
 107                         break;
 108                 default:
 109                         ret = FALSE;
 110         }
 111
 112         return ret;
 113 }
 114
 115 void manual_open(ManualType type, gchar *url_anchor)
 116 {
 117         gchar *uri = NULL;
 118         gchar *dir;
 119
 120         switch (type) {
 121                 case MANUAL_MANUAL_CLAWS:
 122                         dir = get_local_path_with_locale(MANUALDIR);
 123                         if (dir != NULL) {
 124                                 gchar *tmp_anchor = NULL;
 125                                 if (url_anchor && *url_anchor != '\0')
 126                                         tmp_anchor = g_strconcat("#", url_anchor, NULL);
 127                                 uri = g_strconcat("file://",
 128                                                 dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX,
 129                                                 tmp_anchor,
 130                                                 NULL);
 131                                 g_free(tmp_anchor);
 132                                 g_free(dir);
 133                         } else {
 134                                 uri = g_strconcat(MANUAL_URI, NULL);
 135                         }
 136                         break;
 137                 case MANUAL_FAQ_CLAWS:
 138                         uri = g_strconcat(FAQ_URI, NULL);
 139                         break;
 140
 141                 default:
 142                         break;
 143         }
 144         open_uri(uri, prefs_common_get_uri_cmd());
 145         g_free(uri);
 146 }
 147
 148 void manual_open_with_anchor_cb(GtkWidget *widget, gchar *url_anchor)
 149 {
 150         manual_open(MANUAL_MANUAL_CLAWS, url_anchor);
 151 }