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_win32_getlocale();
  51 #else
  52         language = g_strdup(setlocale(LC_MESSAGES, NULL));
  53 #endif
  54         if (!language)
  55                 return g_strdup("en");
  56
  57         if((c = strchr(language, ',')) != NULL)
  58                 *c = '\0';
  59         if((c = strchr(language, '_')) != NULL)
  60                 *c = '\0';
  61
  62         return language;
  63 }
  64
  65 static gchar *get_local_path_with_locale(gchar *rootpath)
  66 {
  67         gchar *lang_str, *dir;
  68
  69         lang_str = get_language();
  70         dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  71                           lang_str, NULL);
  72         g_free(lang_str);
  73         if(!is_dir_exist(dir)) {
  74                 g_free(dir);
  75                 dir = g_strconcat(rootpath, G_DIR_SEPARATOR_S,
  76                                   "en", NULL);
  77                 if(!is_dir_exist(dir)) {
  78                         g_free(dir);
  79                         dir = NULL;
  80                 }
  81         }
  82
  83         return dir;
  84 }
  85
  86 gboolean manual_available(ManualType type)
  87 {
  88         gboolean ret = FALSE;
  89         gchar *dir = NULL, *uri = NULL;
  90
  91         switch (type) {
  92                 case MANUAL_MANUAL_CLAWS:
  93                         dir = get_local_path_with_locale(MANUALDIR);
  94                         if (dir != NULL) {
  95                                 uri = g_strconcat(dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX, NULL);
  96                                 g_free(dir);
  97                                 if (is_file_exist(uri))
  98                                         ret = TRUE;
  99                                 else
 100                                         ret = FALSE;
 101                                 g_free(uri);
 102                         }
 103                         break;
 104                 default:
 105                         ret = FALSE;
 106         }
 107
 108         return ret;
 109 }
 110
 111 void manual_open(ManualType type, gchar *url_anchor)
 112 {
 113         gchar *uri = NULL;
 114         gchar *dir;
 115
 116         switch (type) {
 117                 case MANUAL_MANUAL_CLAWS:
 118                         dir = get_local_path_with_locale(MANUALDIR);
 119                         if (dir != NULL) {
 120                                 gchar *tmp_anchor = NULL;
 121                                 if (url_anchor && *url_anchor != '\0')
 122                                         tmp_anchor = g_strconcat("#", url_anchor, NULL);
 123                                 uri = g_strconcat("file://",
 124                                                 dir, G_DIR_SEPARATOR_S, MANUAL_HTML_INDEX,
 125                                                 tmp_anchor,
 126                                                 NULL);
 127                                 g_free(tmp_anchor);
 128                                 g_free(dir);
 129                         } else {
 130                                 uri = g_strconcat(MANUAL_URI, NULL);
 131                         }
 132                         break;
 133                 case MANUAL_FAQ_CLAWS:
 134                         uri = g_strconcat(FAQ_URI, NULL);
 135                         break;
 136
 137                 default:
 138                         break;
 139         }
 140         open_uri(uri, prefs_common_get_uri_cmd());
 141         g_free(uri);
 142 }
 143
 144 void manual_open_with_anchor_cb(GtkWidget *widget, gchar *url_anchor)
 145 {
 146         manual_open(MANUAL_MANUAL_CLAWS, url_anchor);
 147 }