vcs.maemo.org Git - navit-package/blob - src/main.c

   1 #include <locale.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <signal.h>
   6 #include <glib.h>
   7 #include <sys/types.h>
   8
   9 #ifndef _WIN32
  10 #include <sys/wait.h>
  11 #include <signal.h>
  12 #endif
  13
  14 #include <unistd.h>
  15 #include <libintl.h>
  16 #ifdef USE_GTK_MAIN_LOOP
  17 #include <gtk/gtk.h>
  18 #endif
  19 #include "config.h"
  20 #include "file.h"
  21 #include "debug.h"
  22 #include "main.h"
  23 #include "navit.h"
  24 #include "gui.h"
  25 #include "xmlconfig.h"
  26 #include "item.h"
  27 #include "coord.h"
  28 #include "route.h"
  29 #include "navigation.h"
  30
  31 #define _(STRING)    gettext(STRING)
  32
  33 struct map_data *map_data_default;
  34
  35 static void sigchld(int sig)
  36 {
  37 #ifndef _WIN32
  38         int status;
  39         while (waitpid(-1, &status, WNOHANG) > 0);
  40 #endif
  41 }
  42
  43
  44 static gchar *get_home_directory(void)
  45 {
  46         static gchar *homedir = NULL;
  47
  48         if (homedir) return homedir;
  49         homedir = getenv("HOME");
  50         if (!homedir)
  51         {
  52 //              struct passwd *p;
  53
  54 //              p = getpwuid(getuid());
  55 //              if (p) homedir = p->pw_dir;
  56         }
  57         if (!homedir)
  58         {
  59                 g_warning("Could not find home directory. Using current directory as home directory.");
  60                 homedir = ".";
  61         }
  62         return homedir;
  63 }
  64
  65 static GList *navit;
  66 #ifndef USE_GTK_MAIN_LOOP
  67 static GMainLoop *loop;
  68 #endif
  69
  70 void
  71 main_add_navit(struct navit *nav)
  72 {
  73         navit=g_list_prepend(navit, nav);
  74 }
  75
  76 void
  77 main_remove_navit(struct navit *nav)
  78 {
  79         navit=g_list_remove(navit, nav);
  80         if (! navit) {
  81 #ifdef USE_GTK_MAIN_LOOP
  82                 gtk_main_quit();
  83 #else
  84                 if (loop)
  85                         g_main_loop_quit(loop);
  86 #endif
  87         }
  88 }
  89
  90 int main(int argc, char **argv)
  91 {
  92         GError *error = NULL;
  93         char *config_file = NULL;
  94         char *s;
  95         int l;
  96
  97
  98 #ifndef _WIN32
  99         signal(SIGCHLD, sigchld);
 100 #endif
 101
 102         setenv("LC_NUMERIC","C",1);
 103         setlocale(LC_ALL,"");
 104         setlocale(LC_NUMERIC,"C");
 105
 106         if (file_exists("navit.c") || file_exists("navit.o")) {
 107                 char buffer[PATH_MAX];
 108                 printf(_("Running from source directory\n"));
 109                 getcwd(buffer, PATH_MAX);
 110                 setenv("NAVIT_PREFIX", buffer, 0);
 111                 setenv("NAVIT_LIBDIR", buffer, 0);
 112                 setenv("NAVIT_SHAREDIR", buffer, 0);
 113                 setenv("NAVIT_LIBPREFIX", "*/.libs/", 0);
 114                 s=g_strdup_printf("%s/../locale", buffer);
 115                 setenv("NAVIT_LOCALEDIR", s, 0);
 116                 g_free(s);
 117         } else {
 118                 if (!getenv("NAVIT_PREFIX")) {
 119                         l=strlen(argv[0]);
 120                         if (l > 10 && !strcmp(argv[0]+l-10,"/bin/navit")) {
 121                                 s=g_strdup(argv[0]);
 122                                 s[l-10]='\0';
 123                                 if (strcmp(s, PREFIX))
 124                                         printf(_("setting '%s' to '%s'\n"), "NAVIT_PREFIX", s);
 125                                 setenv("NAVIT_PREFIX", s, 0);
 126                                 g_free(s);
 127                         } else
 128                                 setenv("NAVIT_PREFIX", PREFIX, 0);
 129                 }
 130 #ifdef _WIN32
 131                 s=g_strdup_printf("locale");
 132 #else
 133                 s=g_strdup_printf("%s/share/locale", getenv("NAVIT_PREFIX"));
 134 #endif
 135                 setenv("NAVIT_LOCALEDIR", s, 0);
 136                 g_free(s);
 137 #ifdef _WIN32
 138                 s=g_strdup_printf(".");
 139 #else
 140                 s=g_strdup_printf("%s/share/navit", getenv("NAVIT_PREFIX"));
 141 #endif
 142                 setenv("NAVIT_SHAREDIR", s, 0);
 143                 g_free(s);
 144                 s=g_strdup_printf("%s/lib/navit", getenv("NAVIT_PREFIX"));
 145                 setenv("NAVIT_LIBDIR", s, 0);
 146                 g_free(s);
 147         }
 148         bindtextdomain(PACKAGE, getenv("NAVIT_LOCALEDIR"));
 149         bind_textdomain_codeset (PACKAGE, "UTF-8");
 150         textdomain(PACKAGE);
 151
 152         debug_init();
 153 #ifndef USE_PLUGINS
 154         extern void builtin_init(void);
 155         builtin_init();
 156 #endif
 157 #if 0
 158         /* handled in gui/gtk */
 159         gtk_set_locale();
 160         gtk_init(&argc, &argv);
 161         gdk_rgb_init();
 162 #endif
 163         s = getenv("NAVIT_WID");
 164         if (s) {
 165                 setenv("SDL_WINDOWID", s, 0);
 166         }
 167         route_init();
 168         navigation_init();
 169         config_file=NULL;
 170         if (argc > 1)
 171                 config_file=argv[1];
 172         if (! config_file) {
 173                 config_file=g_strjoin(NULL,get_home_directory(), "/.navit/navit.xml" , NULL);
 174                 if (!file_exists(config_file)) {
 175                         g_free(config_file);
 176                         config_file=NULL;
 177                         }
 178         }
 179         if (! config_file) {
 180                 if (file_exists("navit.xml.local"))
 181                         config_file="navit.xml.local";
 182         }
 183         if (! config_file) {
 184                 if (file_exists("navit.xml"))
 185                         config_file="navit.xml";
 186         }
 187         if (! config_file) {
 188                 config_file=g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml.local" , NULL);
 189                 if (!file_exists(config_file)) {
 190                         g_free(config_file);
 191                         config_file=NULL;
 192                 }
 193         }
 194         if (! config_file) {
 195                 config_file=g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml" , NULL);
 196                 if (!file_exists(config_file)) {
 197                         g_free(config_file);
 198                         config_file=NULL;
 199                 }
 200         }
 201         if (!config_file) {
 202                 printf(_("No config file navit.xml, navit.xml.local found\n"));
 203                 exit(1);
 204         }
 205         if (!config_load(config_file, &error)) {
 206                 printf(_("Error parsing '%s': %s\n"), config_file, error->message);
 207                 exit(1);
 208         } else {
 209                 printf(_("Using '%s'\n"), config_file);
 210         }
 211         if (! navit) {
 212                 printf(_("No instance has been created, exiting\n"));
 213                 exit(1);
 214         }
 215         if (main_loop_gui) {
 216                 gui_run_main_loop(main_loop_gui);
 217         } else {
 218 #ifdef USE_GTK_MAIN_LOOP
 219                 gtk_main();
 220 #else
 221                 loop = g_main_loop_new (NULL, TRUE);
 222                 if (g_main_loop_is_running (loop))
 223                 {
 224                         g_main_loop_run (loop);
 225                 }
 226 #endif
 227         }
 228
 229         return 0;
 230 }