ROX-Filer/src/i18n.c

   1 /*
   2  * $Id$
   3  *
   4  * ROX-Filer, filer for the ROX desktop project
   5  * Copyright (C) 2000, Thomas Leonard, <tal197@ecs.soton.ac.uk>.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <errno.h>
  27
  28 #include <gtk/gtk.h>
  29
  30 #include "support.h"
  31 #include "choices.h"
  32 #include "options.h"
  33 #include "i18n.h"
  34 #include "gui_support.h"
  35
  36 /* Static prototypes */
  37 static GtkWidget *create_options();
  38 static void update_options();
  39 static void set_options();
  40 static void save_options();
  41 static char *parse_lang(guchar *line);
  42
  43 static OptionsSection options =
  44 {
  45         N_("Locale options"),
  46         create_options,
  47         update_options,
  48         set_options,
  49         save_options
  50 };
  51
  52 static guchar *o_default_lang = NULL;
  53
  54
  55 /****************************************************************
  56  *                      EXTERNAL INTERFACE                      *
  57  ****************************************************************/
  58
  59
  60 /* Set things up for internationalisation */
  61 void i18n_init(void)
  62 {
  63         o_default_lang = g_strdup("");
  64
  65 #ifdef HAVE_GETTEXT
  66         {
  67                 guchar  *lang_path;
  68
  69                 lang_path = choices_find_path_load("Locale", "ROX-Filer");
  70                 if (lang_path)
  71                         parse_file(lang_path, parse_lang);
  72
  73                 if (*o_default_lang)
  74                         setenv("LANG", o_default_lang, 1);
  75                 setlocale(LC_ALL, "");
  76                 bindtextdomain("ROX-Filer",
  77                                 make_path(getenv("APP_DIR"), "po")->str);
  78                 textdomain("ROX-Filer");
  79         }
  80 #endif
  81         options_sections = g_slist_prepend(options_sections, &options);
  82 }
  83
  84
  85 /****************************************************************
  86  *                      INTERNAL FUNCTIONS                      *
  87  ****************************************************************/
  88
  89
  90 /*                      OPTIONS                                 */
  91
  92 #ifdef HAVE_GETTEXT
  93 static GtkWidget *w_lang_entry = NULL;
  94 #endif
  95
  96 /* Build up some option widgets to go in the options dialog, but don't
  97  * fill them in yet.
  98  */
  99 static GtkWidget *create_options()
 100 {
 101 #ifdef HAVE_GETTEXT
 102         GtkWidget       *vbox, *hbox, *label;
 103
 104         vbox = gtk_vbox_new(FALSE, 0);
 105         gtk_container_set_border_width(GTK_CONTAINER(vbox), 4);
 106
 107         hbox = gtk_hbox_new(TRUE, 0);
 108         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 109
 110         label = gtk_label_new("Language to use");
 111         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, TRUE, 0);
 112
 113         w_lang_entry = gtk_entry_new();
 114         gtk_box_pack_start(GTK_BOX(hbox), w_lang_entry, TRUE, TRUE, 0);
 115
 116         return vbox;
 117 #else
 118         label = gtk_label_new("Not compiled with gettext support");
 119         return label;
 120 #endif
 121 }
 122
 123 /* Reflect current state by changing the widgets in the options box */
 124 static void update_options()
 125 {
 126 #ifdef HAVE_GETTEXT
 127         gtk_entry_set_text(GTK_ENTRY(w_lang_entry), o_default_lang);
 128 #endif
 129 }
 130
 131 /* Set current values by reading the states of the widgets in the options box */
 132 static void set_options()
 133 {
 134 #ifdef HAVE_GETTEXT
 135         g_free(o_default_lang);
 136
 137         o_default_lang = gtk_editable_get_chars(GTK_EDITABLE(w_lang_entry),
 138                                                 0, -1);
 139 #endif
 140 }
 141
 142 static void save_options()
 143 {
 144         guchar  *lang_path;
 145
 146         lang_path = choices_find_path_save("Locale", "ROX-Filer", TRUE);
 147
 148         if (lang_path)
 149         {
 150                 FILE    *file;
 151                 int     count;
 152
 153                 file = fopen(lang_path, "wb");
 154                 if (!file)
 155                 {
 156                         delayed_error(PROJECT, g_strerror(errno));
 157                         return;
 158                 }
 159
 160                 count = strlen(o_default_lang);
 161                 if (fwrite(o_default_lang, 1, count, file) < count)
 162                 {
 163                         delayed_error(PROJECT, g_strerror(errno));
 164                         fclose(file);
 165                 }
 166                 else if (fclose(file))
 167                         delayed_error(PROJECT, g_strerror(errno));
 168         }
 169 }
 170
 171 static char *parse_lang(guchar *line)
 172 {
 173         o_default_lang = g_strdup(line);
 174
 175         return NULL;
 176 }
 177
 178 /* These two stolen from dia :-) */
 179 GtkItemFactoryEntry *translate_entries(GtkItemFactoryEntry *entries, gint n)
 180 {
 181         gint i;
 182         GtkItemFactoryEntry *ret;
 183
 184         ret = g_malloc(sizeof(GtkItemFactoryEntry) * n);
 185         for (i = 0; i < n; i++)
 186         {
 187                 /* Translation. Note the explicit use of gettext(). */
 188                 ret[i].path = g_strdup(gettext(entries[i].path));
 189                 /* accelerator and item_type are not duped, only referenced */
 190                 ret[i].accelerator = entries[i].accelerator;
 191                 ret[i].callback = entries[i].callback;
 192                 ret[i].callback_action = entries[i].callback_action;
 193                 ret[i].item_type = entries[i].item_type;
 194         }
 195         return ret;
 196 }
 197
 198 void free_translated_entries(GtkItemFactoryEntry *entries, gint n)
 199 {
 200         gint i;
 201
 202         for (i=0; i<n; i++)
 203                 g_free(entries[i].path);
 204         g_free(entries);
 205 }
 206