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Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 300 |
1 files changed, 300 insertions, 0 deletions
@@ -0,0 +1,300 @@ +/** + * Navit, a modular navigation system. + * Copyright (C) 2005-2008 Navit Team + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <locale.h> +#include <stdlib.h> +#include <stdio.h> +#include <getopt.h> +#include <string.h> +#include <signal.h> +#include <glib.h> +#include <sys/types.h> + +#ifndef _WIN32 +#include <sys/wait.h> +#include <signal.h> +#endif + +#include <unistd.h> +#include "config.h" +#include "file.h" +#include "debug.h" +#include "main.h" +#include "navit.h" +#include "gui.h" +#include "item.h" +#include "xmlconfig.h" +#include "coord.h" +#include "route.h" +#include "navigation.h" +#include "event.h" +#include "callback.h" +#include "navit_nls.h" +#if HAVE_API_WIN32_BASE +#include <windows.h> +#include <winbase.h> +#endif + + +struct map_data *map_data_default; + +struct callback_list *cbl; + + +static void sigchld(int sig) +{ +#if !defined(_WIN32) && !defined(__CEGCC__) + int status; + while (waitpid(-1, &status, WNOHANG) > 0); +#endif +} + +#if 0 +static gchar *get_home_directory(void) +{ + static gchar *homedir = NULL; + + if (homedir) return homedir; + homedir = getenv("HOME"); + if (!homedir) + { + dbg(0,"Could not find home directory. Using current directory as home directory.\n"); + homedir =g_strdup("."); + } else { + homedir=g_strdup(homedir); + } + return homedir; +} +#endif + +static GList *navit; + +struct iter { + GList *list; +}; + +struct iter * +main_iter_new(void) +{ + struct iter *ret=g_new0(struct iter, 1); + ret->list=navit; + return ret; +} + +void +main_iter_destroy(struct iter *iter) +{ + g_free(iter); +} + +struct navit * +main_get_navit(struct iter *iter) +{ + GList *list; + struct navit *ret=NULL; + if (iter) + list=iter->list; + else + list=navit; + if (list) { + ret=(struct navit *)(list->data); + if (iter) + iter->list=g_list_next(iter->list); + } + return ret; + +} +void +main_add_navit(struct navit *nav) +{ + navit=g_list_prepend(navit, nav); + callback_list_call_2(cbl, nav, 1); +} + +void +main_remove_navit(struct navit *nav) +{ + navit=g_list_remove(navit, nav); + callback_list_call_2(cbl, nav, 0); + if (! navit) + event_main_loop_quit(); +} + +int +main_add_attr(struct attr *attr) +{ + switch (attr->type) + { + case attr_callback: + callback_list_add(cbl, attr->u.callback); + return 1; + default: + return 0; + } +} + +int +main_remove_attr(struct attr *attr) +{ + switch (attr->type) + { + case attr_callback: + callback_list_remove(cbl, attr->u.callback); + return 1; + default: + return 0; + } +} + + +#ifdef HAVE_API_WIN32 +void +setenv(char *var, char *val, int overwrite) +{ + char *str=g_strdup_printf("%s=%s",var,val); + if (overwrite || !getenv(var)) + putenv(str); + g_free(str); +} +#endif + +static char *environment_vars[][4]={ + {"NAVIT_LIBDIR", ":", "::/navit", ":/lib"}, + {"NAVIT_SHAREDIR", ":", ":/share/navit", ":"}, + {"NAVIT_LOCALEDIR", ":/../locale", ":/share/locale", ":/locale"}, + {"NAVIT_USER_DATADIR", ":", "~/.navit", ":/data"}, + {"NAVIT_LOGFILE", NULL, NULL, ":/navit.log"}, + {"NAVIT_LIBPREFIX", "*/.libs/", NULL, NULL}, + {NULL, NULL, NULL, NULL}, +}; + +static void +main_setup_environment(int mode) +{ + int i=0; + char *var,*val; + while ((var=environment_vars[i][0])) { + val=environment_vars[i][mode+1]; + if (val) { + switch (val[0]) { + case ':': + if (val[1] == ':') + val=g_strdup_printf("%s/%s%s", getenv("NAVIT_PREFIX"), LIBDIR+sizeof(PREFIX), val+2); + else + val=g_strdup_printf("%s%s", getenv("NAVIT_PREFIX"), val+1); + break; + case '~': + val=g_strdup_printf("%s%s", getenv("HOME"), val+1); + break; + default: + val=g_strdup(val); + break; + } + setenv(var, val, 0); + g_free(val); + } + i++; + } +} + +void +main_init(char *program) +{ + char *s; + int l; + +#ifndef _WIN32 + signal(SIGCHLD, sigchld); +#endif + cbl=callback_list_new(); + setenv("LC_NUMERIC","C",1); + setlocale(LC_ALL,""); + setlocale(LC_NUMERIC,"C"); + if (file_exists("navit.c") || file_exists("navit.o") || file_exists("navit.lo")) { + char buffer[PATH_MAX]; + printf(_("Running from source directory\n")); + getcwd(buffer, PATH_MAX); + setenv("NAVIT_PREFIX", buffer, 0); + main_setup_environment(0); + } else { + if (!getenv("NAVIT_PREFIX")) { + int progpath_len; +#ifdef HAVE_API_WIN32_BASE + wchar_t filename[MAX_PATH + 1]; + char program[MAX_PATH + 1]; + char *cp; + int sz; +#ifdef HAVE_API_WIN32 + char *progpath="\\bin\\navit.exe"; + sz = GetModuleFileNameW(NULL, filename, MAX_PATH); +#else + char *progpath="\\navit.exe"; + sz = GetModuleFileName(NULL, filename, MAX_PATH); +#endif + if (sz > 0) + wcstombs(program, filename, sz + 1); + else + strcpy(program, PREFIX); +#else + char *progpath="/bin/navit"; +#endif + l=strlen(program); + progpath_len=strlen(progpath); + if (l > progpath_len && !strcmp(program+l-progpath_len,progpath)) { + s=g_strdup(program); + s[l-progpath_len]='\0'; + if (strcmp(s, PREFIX)) + printf(_("setting '%s' to '%s'\n"), "NAVIT_PREFIX", s); + setenv("NAVIT_PREFIX", s, 0); + g_free(s); + } else + setenv("NAVIT_PREFIX", PREFIX, 0); + } +#ifdef HAVE_API_WIN32_BASE + setenv("HOME", getenv("NAVIT_PREFIX"), 0); +#endif + +#ifdef HAVE_API_WIN32_CE + main_setup_environment(2); +#else + main_setup_environment(1); +#endif + } + if (getenv("LC_ALL")) + dbg(0,"Warning: LC_ALL is set, this might lead to problems (e.g. strange positions from GPS)\n"); + s = getenv("NAVIT_WID"); + if (s) { + setenv("SDL_WINDOWID", s, 0); + } +} + +void +main_init_nls(void) +{ +#ifdef ENABLE_NLS +#ifdef FORCE_LOCALE +#define STRINGIFY2(x) #x +#define STRINGIFY(x) STRINGIFY2(x) + setlocale(LC_MESSAGES,STRINGIFY(FORCE_LOCALE)); +#endif + bindtextdomain(PACKAGE, getenv("NAVIT_LOCALEDIR")); + bind_textdomain_codeset (PACKAGE, "UTF-8"); + textdomain(PACKAGE); +#endif +} |