WINGs/wapplication.c

   1
   2 #include <unistd.h>
   3 #include <X11/Xlocale.h>
   4
   5 #include "WINGsP.h"
   6 #include "wconfig.h"
   7 #include "userdefaults.h"
   8
   9
  10 struct W_Application WMApplication;
  11
  12 const char *_WINGS_progname = NULL;
  13
  14 Bool W_ApplicationInitialized(void)
  15 {
  16         return _WINGS_progname != NULL;
  17 }
  18
  19 void WMInitializeApplication(const char *applicationName, int *argc, char **argv)
  20 {
  21         int i;
  22
  23         assert(argc != NULL);
  24         assert(argv != NULL);
  25         assert(applicationName != NULL);
  26
  27         setlocale(LC_ALL, "");
  28
  29 #ifdef I18N
  30         if (getenv("NLSPATH"))
  31                 bindtextdomain("WINGs", getenv("NLSPATH"));
  32         else
  33                 bindtextdomain("WINGs", LOCALEDIR);
  34         bind_textdomain_codeset("WINGs", "UTF-8");
  35 #endif
  36
  37         _WINGS_progname = argv[0];
  38
  39         WMApplication.applicationName = wstrdup(applicationName);
  40         WMApplication.argc = *argc;
  41
  42         WMApplication.argv = wmalloc((*argc + 1) * sizeof(char *));
  43         for (i = 0; i < *argc; i++) {
  44                 WMApplication.argv[i] = wstrdup(argv[i]);
  45         }
  46         WMApplication.argv[i] = NULL;
  47
  48         /* initialize notification center */
  49         W_InitNotificationCenter();
  50 }
  51
  52 void WMReleaseApplication(void) {
  53         int i;
  54
  55         /*
  56          * We save the configuration on exit, this used to be handled
  57          * through an 'atexit' registered function but if application
  58          * properly calls WMReleaseApplication then the info to that
  59          * will have been freed by us.
  60          */
  61         w_save_defaults_changes();
  62
  63         W_ReleaseNotificationCenter();
  64
  65         if (WMApplication.applicationName) {
  66                 wfree(WMApplication.applicationName);
  67                 WMApplication.applicationName = NULL;
  68         }
  69
  70         if (WMApplication.argv) {
  71                 for (i = 0; i < WMApplication.argc; i++)
  72                         wfree(WMApplication.argv[i]);
  73
  74                 wfree(WMApplication.argv);
  75                 WMApplication.argv = NULL;
  76         }
  77 }
  78
  79 void WMSetResourcePath(const char *path)
  80 {
  81         if (WMApplication.resourcePath)
  82                 wfree(WMApplication.resourcePath);
  83         WMApplication.resourcePath = wstrdup(path);
  84 }
  85
  86 char *WMGetApplicationName(void)
  87 {
  88         return WMApplication.applicationName;
  89 }
  90
  91 static char *checkFile(const char *path, const char *folder, const char *ext, const char *resource)
  92 {
  93         char *ret;
  94         int extralen;
  95         size_t slen;
  96
  97         if (!path || !resource)
  98                 return NULL;
  99
 100         extralen = (ext ? strlen(ext) + 1 : 0) + (folder ? strlen(folder) + 1 : 0) + 1;
 101         slen = strlen(path) + strlen(resource) + 1 + extralen;
 102         ret = wmalloc(slen);
 103
 104         if (wstrlcpy(ret, path, slen) >= slen)
 105                 goto error;
 106
 107         if (folder &&
 108                 (wstrlcat(ret, "/", slen) >= slen ||
 109                  wstrlcat(ret, folder, slen) >= slen))
 110                         goto error;
 111
 112         if (ext &&
 113                 (wstrlcat(ret, "/", slen) >= slen ||
 114                  wstrlcat(ret, ext, slen) >= slen))
 115                         goto error;
 116
 117         if (wstrlcat(ret, "/", slen) >= slen ||
 118             wstrlcat(ret, resource, slen) >= slen)
 119                 goto error;
 120
 121         if (access(ret, F_OK) != 0)
 122                 goto error;
 123
 124         return ret;
 125
 126 error:
 127         if (ret)
 128                 wfree(ret);
 129         return NULL;
 130 }
 131
 132 char *WMPathForResourceOfType(const char *resource, const char *ext)
 133 {
 134         const char *gslocapps, *gssysapps, *gsuserapps;
 135         char *path, *appdir;
 136         char buffer[PATH_MAX];
 137         size_t slen;
 138
 139         path = appdir = NULL;
 140
 141         /*
 142          * Paths are searched in this order:
 143          * - resourcePath/ext
 144          * - dirname(argv[0])/ext
 145          * - WMAKER_USER_ROOT/Applications/ApplicationName.app/ext
 146          * - GNUSTEP_USER_APPS/ApplicationName.app/ext
 147          * - GNUSTEP_LOCAL_APPS/ApplicationName.app/ext
 148          * - /usr/local/lib/GNUstep/Applications/ApplicationName.app/ext
 149          * - GNUSTEP_SYSTEM_APPS/ApplicationName.app/ext
 150          * - /usr/lib/GNUstep/Applications/ApplicationName.app/ext
 151          */
 152
 153         if (WMApplication.resourcePath) {
 154                 path = checkFile(WMApplication.resourcePath, NULL, ext, resource);
 155                 if (path)
 156                         goto out;
 157         }
 158
 159         if (WMApplication.argv[0]) {
 160                 char *ptr_slash;
 161
 162                 ptr_slash = strrchr(WMApplication.argv[0], '/');
 163                 if (ptr_slash != NULL) {
 164                         char tmp[ptr_slash - WMApplication.argv[0] + 1];
 165
 166                         strncpy(tmp, WMApplication.argv[0], sizeof(tmp)-1);
 167                         tmp[sizeof(tmp) - 1] = '\0';
 168
 169                         path = checkFile(tmp, NULL, ext, resource);
 170                         if (path)
 171                                 goto out;
 172                 }
 173         }
 174
 175         snprintf(buffer, sizeof(buffer), "Applications/%s.app", WMApplication.applicationName);
 176         path = checkFile(GETENV("WMAKER_USER_ROOT"), buffer, ext, resource);
 177         if (path)
 178                 goto out;
 179
 180         slen = strlen(WMApplication.applicationName) + sizeof("/.app");
 181         appdir = wmalloc(slen);
 182         if (snprintf(appdir, slen, "/%s.app", WMApplication.applicationName) >= slen)
 183                 goto out;
 184
 185         gsuserapps = GETENV("GNUSTEP_USER_APPS");
 186         if (!gsuserapps) {
 187                 snprintf(buffer, sizeof(buffer), "%s/Applications", wusergnusteppath());
 188                 gsuserapps = buffer;
 189         }
 190         path = checkFile(gsuserapps, appdir, ext, resource);
 191         if (path)
 192                 goto out;
 193
 194         gslocapps = GETENV("GNUSTEP_LOCAL_APPS");
 195         if (!gslocapps)
 196                 gslocapps = "/usr/local/lib/GNUstep/Applications";
 197         path = checkFile(gslocapps, appdir, ext, resource);
 198         if (path)
 199                 goto out;
 200
 201         gssysapps = GETENV("GNUSTEP_SYSTEM_APPS");
 202         if (!gssysapps)
 203                 gssysapps = "/usr/lib/GNUstep/Applications";
 204         path = checkFile(gssysapps, appdir, ext, resource);
 205         if (path)
 206                 goto out;
 207
 208         path = checkFile("/usr/GNUstep/System/Applications", appdir, ext, resource); /* falls through */
 209
 210 out:
 211         if (appdir)
 212                 wfree(appdir);
 213
 214         return path;
 215
 216 }