git.maemo.org Git - navit-package/blob - navit/main.c

   1 /**
   2  * Navit, a modular navigation system.
   3  * Copyright (C) 2005-2008 Navit Team
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include <locale.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <getopt.h>
  24 #include <string.h>
  25 #include <signal.h>
  26 #include <glib.h>
  27 #include <sys/types.h>
  28
  29 #ifndef _WIN32
  30 #include <sys/wait.h>
  31 #include <signal.h>
  32 #endif
  33
  34 #include <unistd.h>
  35 #include "config.h"
  36 #include "file.h"
  37 #include "debug.h"
  38 #include "main.h"
  39 #include "navit.h"
  40 #include "gui.h"
  41 #include "item.h"
  42 #include "xmlconfig.h"
  43 #include "coord.h"
  44 #include "route.h"
  45 #include "navigation.h"
  46 #include "event.h"
  47 #include "callback.h"
  48 #include "navit_nls.h"
  49 #if HAVE_API_WIN32_BASE
  50 #include <windows.h>
  51 #include <winbase.h>
  52 #endif
  53
  54
  55 struct map_data *map_data_default;
  56
  57 struct callback_list *cbl;
  58
  59
  60 static void sigchld(int sig)
  61 {
  62 #if !defined(_WIN32) && !defined(__CEGCC__)
  63         int status;
  64         while (waitpid(-1, &status, WNOHANG) > 0);
  65 #endif
  66 }
  67
  68 #ifdef HAVE_API_WIN32
  69 void
  70 setenv(char *var, char *val, int overwrite)
  71 {
  72         char *str=g_strdup_printf("%s=%s",var,val);
  73         if (overwrite || !getenv(var))
  74                 putenv(str);
  75         g_free(str);
  76 }
  77 #endif
  78
  79 /*
  80  * environment_vars[][0:name,1-3:mode]
  81  * ':'  replaced with NAVIT_PREFIX
  82  * '::' replaced with NAVIT_PREFIX and LIBDIR
  83  * '~'  replaced with HOME
  84 */
  85 static char *environment_vars[][5]={
  86         {"NAVIT_LIBDIR",      ":",          "::/navit",      ":\\lib",      ":/lib"},
  87         {"NAVIT_SHAREDIR",    ":",          ":/share/navit", ":",           ":/share"},
  88         {"NAVIT_LOCALEDIR",   ":/../locale",":/share/locale",":\\locale",   ":/locale"},
  89         {"NAVIT_USER_DATADIR",":",          "~/.navit",      ":\\data",     ":/home"},
  90 #if 1
  91         {"NAVIT_LOGFILE",     NULL,         NULL,            ":\\navit.log",NULL},
  92 #endif
  93         {"NAVIT_LIBPREFIX",   "*/.libs/",   NULL,            NULL,          NULL},
  94         {NULL,                NULL,         NULL,            NULL,          NULL},
  95 };
  96
  97 static void
  98 main_setup_environment(int mode)
  99 {
 100         int i=0;
 101         char *var,*val,*homedir;
 102         while ((var=environment_vars[i][0])) {
 103                 val=environment_vars[i][mode+1];
 104                 if (val) {
 105                         switch (val[0]) {
 106                         case ':':
 107                                 if (val[1] == ':')
 108                                         val=g_strdup_printf("%s/%s%s", getenv("NAVIT_PREFIX"), LIBDIR+sizeof(PREFIX), val+2);
 109                                 else
 110                                         val=g_strdup_printf("%s%s", getenv("NAVIT_PREFIX"), val+1);
 111                                 break;
 112                         case '~':
 113                                 homedir=getenv("HOME");
 114                                 if (!homedir)
 115                                         homedir="./";
 116                                 val=g_strdup_printf("%s%s", homedir, val+1);
 117                                 break;
 118                         default:
 119                                 val=g_strdup(val);
 120                                 break;
 121                         }
 122                         setenv(var, val, 0);
 123                         g_free(val);
 124                 }
 125                 i++;
 126         }
 127 }
 128
 129 #ifdef HAVE_API_WIN32_BASE
 130 char *nls_table[][3]={
 131         {"DAN","DNK","da_DK"},
 132         {"DEU","DEU","de_DE"},
 133         {"DEA","AUT","de_AT"},
 134         {"ENU","USA","en_US"},
 135         {"FRA","FRA","fr_FR"},
 136         {"RUS","RUS","ru_RU"},
 137         {NULL,NULL,NULL},
 138 };
 139
 140 static void
 141 win_set_nls(void)
 142 {
 143         wchar_t wcountry[32],wlang[32];
 144         char country[32],lang[32];
 145         int i=0;
 146
 147         GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, wlang, sizeof(wlang));
 148         WideCharToMultiByte(CP_ACP,0,wlang,-1,lang,sizeof(lang),NULL,NULL);
 149         GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVCTRYNAME, wcountry, sizeof(wcountry));
 150         WideCharToMultiByte(CP_ACP,0,wcountry,-1,country,sizeof(country),NULL,NULL);
 151         while (nls_table[i][0]) {
 152                 if (!strcmp(nls_table[i][0], lang) && !(strcmp(nls_table[i][1], country))) {
 153                         dbg(1,"Setting LANG=%s for Lang %s Country %s\n",nls_table[i][2], lang, country);
 154                         setenv("LANG",nls_table[i][2],0);
 155                         return;
 156                 }
 157                 i++;
 158         }
 159         dbg(1,"Lang %s Country %s not found\n",lang,country);
 160 }
 161 #endif
 162
 163 void
 164 main_init(char *program)
 165 {
 166         char *s;
 167         int l;
 168
 169 #ifndef _WIN32
 170         signal(SIGCHLD, sigchld);
 171 #endif
 172         cbl=callback_list_new();
 173 #ifdef HAVE_API_WIN32_BASE
 174         win_set_nls();
 175 #endif
 176         setenv("LC_NUMERIC","C",1);
 177         setlocale(LC_ALL,"");
 178         setlocale(LC_NUMERIC,"C");
 179 #if !defined _WIN32 && !defined _WIN32_WCE
 180         if (file_exists("navit.c") || file_exists("navit.o") || file_exists("navit.lo")) {
 181                 char buffer[PATH_MAX];
 182                 printf(_("Running from source directory\n"));
 183                 getcwd(buffer, PATH_MAX);               /* libc of navit returns "dummy" */
 184                 setenv("NAVIT_PREFIX", buffer, 0);
 185                 main_setup_environment(0);
 186         } else {
 187                 if (!getenv("NAVIT_PREFIX")) {
 188                 int progpath_len;
 189                         char *progpath="/bin/navit";
 190                         l=strlen(program);
 191                         progpath_len=strlen(progpath);
 192                         if (l > progpath_len && !strcmp(program+l-progpath_len,progpath)) {
 193                                 s=g_strdup(program);
 194                                 s[l-progpath_len]='\0';
 195                                 if (strcmp(s, PREFIX))
 196                                         printf(_("setting '%s' to '%s'\n"), "NAVIT_PREFIX", s);
 197                                 setenv("NAVIT_PREFIX", s, 0);
 198                                 g_free(s);
 199                         } else
 200                                 setenv("NAVIT_PREFIX", PREFIX, 0);
 201                 }
 202 #ifdef HAVE_API_ANDROID
 203                 main_setup_environment(3);
 204 #else
 205                 main_setup_environment(1);
 206 #endif
 207         }
 208
 209 #else           /* _WIN32 || _WIN32_WCE */
 210         if (!getenv("NAVIT_PREFIX"))
 211         {
 212                 char  filename[MAX_PATH + 1],
 213                      *end;
 214
 215                 *filename = '\0';
 216 #ifdef _UNICODE         /* currently for wince */
 217                 wchar_t wfilename[MAX_PATH + 1];
 218                 if (GetModuleFileNameW(NULL, wfilename, MAX_PATH))
 219                 {
 220                         wcstombs(filename, wfilename, MAX_PATH);
 221 #else
 222                 if (GetModuleFileName(NULL, filename, MAX_PATH))
 223                 {
 224 #endif
 225                         end = strrchr(filename, L'\\'); /* eliminate the file name which is on the right side */
 226                         if(end)
 227                                 *end = '\0';
 228                 }
 229                 setenv("NAVIT_PREFIX", filename, 0);
 230         }
 231         if (!getenv("HOME"))
 232                 setenv("HOME", getenv("NAVIT_PREFIX"), 0);
 233         main_setup_environment(2);
 234 #endif  /* _WIN32 || _WIN32_WCE */
 235
 236         if (getenv("LC_ALL"))
 237                 dbg(0,"Warning: LC_ALL is set, this might lead to problems (e.g. strange positions from GPS)\n");
 238         s = getenv("NAVIT_WID");
 239         if (s) {
 240                 setenv("SDL_WINDOWID", s, 0);
 241         }
 242 }
 243
 244 void
 245 main_init_nls(void)
 246 {
 247 #ifdef ENABLE_NLS
 248 #ifdef FORCE_LOCALE
 249 #define STRINGIFY2(x) #x
 250 #define STRINGIFY(x) STRINGIFY2(x)
 251         setlocale(LC_MESSAGES,STRINGIFY(FORCE_LOCALE));
 252 #endif
 253         bindtextdomain(PACKAGE, getenv("NAVIT_LOCALEDIR"));
 254         bind_textdomain_codeset (PACKAGE, "UTF-8");
 255         textdomain(PACKAGE);
 256 #endif
 257 }