src/manual.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <string.h>
  28
  29 #if HAVE_LOCALE_H
  30 #  include <locale.h>
  31 #endif
  32
  33 #if !defined(LC_MESSAGES) && defined(G_OS_WIN32)
  34 #include <libintl.h>
  35 #endif
  36
  37
  38 #include "prefs_common.h"
  39 #include "manual.h"
  40 #include "utils.h"
  41
  42
  43 static gchar *get_language()
  44 {
  45         gchar *language;
  46         gchar *c;
  47
  48 #ifdef G_OS_WIN32
  49         language = g_strdup(gtk_set_locale());
  50 #else
  51         /* FIXME: Why not using gtk_set_locale here too? -wk */
  52         language = g_strdup(setlocale(LC_MESSAGES, NULL));
  53 #endif
  54         /* At least under W32 it is possible that gtk_set_locate
  55            returns NULL.  This is not documented but well, it happens
  56            and g_strdup is happy with a NULL argument.  We return a
  57            standard language string in this case. */
  58         if (!language)
  59                 return g_strdup("en");
  60         if((c = strchr(language, ',')) != NULL)
  61                 *c = '\0';
  62         if((c = strchr(language, '_')) != NULL)
  63                 *c = '\0';
  64
  65         return language;
  66 }
  67
  68 static gchar *get_local_path_with_locale(gchar *rootpath)
  69 {
  70         gchar *lang_str, *dir;
  71
  72         lang_str = get_language();
  73         dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  74                           lang_str, NULL);
  75         g_free(lang_str);
  76         if(!is_dir_exist(dir)) {
  77                 g_free(dir);
  78                 dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  79                                   "en", NULL);
  80                 if(!is_dir_exist(dir)) {
  81                         g_free(dir);
  82                         dir = NULL;
  83                 }
  84         }
  85
  86         return dir;
  87 }
  88
  89 gboolean manual_available(ManualType type)
  90 {
  91         gboolean ret = FALSE;
  92         gchar *dir = NULL, *uri = NULL;
  93
  94         switch (type) {
  95                 case MANUAL_MANUAL_CLAWS:
  96                         dir = get_local_path_with_locale(MANUALDIR);
  97                         if (dir != NULL) {
  98                                 uri = g_strconcat(dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX, NULL);
  99                                 g_free(dir);
 100                                 if (is_file_exist(uri))
 101                                         ret = TRUE;
 102                                 else
 103                                         ret = FALSE;
 104                                 g_free(uri);
 105                         }
 106                         break;
 107                 default:
 108                         ret = FALSE;
 109         }
 110
 111         return ret;
 112 }
 113
 114 void manual_open(ManualType type, gchar *url_anchor)
 115 {
 116         gchar *uri = NULL;
 117         gchar *dir;
 118
 119         switch (type) {
 120                 case MANUAL_MANUAL_CLAWS:
 121                         dir = get_local_path_with_locale(MANUALDIR);
 122                         if (dir != NULL) {
 123                                 gchar *tmp_anchor = NULL;
 124                                 if (url_anchor && *url_anchor != '\0')
 125                                         tmp_anchor = g_strconcat("#", url_anchor, NULL);
 126                                 uri = g_strconcat("file://",
 127                                                 dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX,
 128                                                 tmp_anchor,
 129                                                 NULL);
 130                                 g_free(tmp_anchor);
 131                                 g_free(dir);
 132                         } else {
 133                                 uri = g_strconcat(MANUAL_URI, NULL);
 134                         }
 135                         break;
 136                 case MANUAL_FAQ_CLAWS:
 137                         uri = g_strconcat(FAQ_URI, NULL);
 138                         break;
 139
 140                 default:
 141                         break;
 142         }
 143         open_uri(uri, prefs_common.uri_cmd);
 144         g_free(uri);
 145 }
 146
 147 void manual_open_with_anchor_cb(GtkWidget *widget, gchar *url_anchor)
 148 {
 149         manual_open(MANUAL_MANUAL_CLAWS, url_anchor);
 150 }