[maemo-developers] [maemo-developers] gconf notifications?

[From: ratna]

Hi,
The main function should have a main loop running this will fix the problem.
in your graphical app you had the gtk_main_run so it was working....
below patch in gcont_test.c would fix the problem.

int main(int argc, char **argv)
{
        //Initialize GConf
        GMainLoop *loop = NULL;
        g_type_init();
        loop = g_main_loop_new(NULL, FALSE);
        gconf_init(argc, argv, NULL);
        config_init();
        g_main_loop_run(loop);

}

Regards,
Ratna
  ----- Original Message ----- 
  From: Manuel Roman 
  To: maemo-developers at maemo.org 
  Sent: Tuesday, December 12, 2006 12:08 PM
  Subject: [maemo-developers] gconf notifications?


  Hi,

  I just wrote a very simple application that uses gconf notifications. Unfortunately, the callback is never called.  I have used gconf from a graphical hildon app and notifications worked fine, however, when I try from a console application it does not seem to work. I include the two simple files I wrote: gconf_test, which registers the callback and gconf_test_set, which sets a value. If you can pinpoint the problem I would really appreciate it. Although there is no error checking for gconf_init, I tested it and always returned TRUE.

  GCONF_TEST
  #include <gconf/gconf-client.h>
  #define GCONF_MAEMO_PREFIX "/apps/maemo"
  #define GCONF_KEY_OPERATION GCONF_MAEMO_PREFIX"/mc/operation"

  static void callback(GConfClient *gconf_client, guint cnxn_id, GConfEntry *entry, gpointer user_data)
  {
          char *operationName     = gconf_client_get_string(gconf_client, GCONF_KEY_OPERATION, NULL);
          printf("OpName:%s\n",operationName);
  }

  void config_init()
  {
      GConfValue *value;
      gchar *str;

      GConfClient *gconf_client = gconf_client_get_default();

      if(!gconf_client)
      {
          printf("Failed to initialize GConf.  Quitting.");
          exit(1);
      }

      gconf_client_add_dir(gconf_client, GCONF_KEY_OPERATION, GCONF_CLIENT_PRELOAD_RECURSIVE, NULL);
      gconf_client_notify_add(gconf_client, GCONF_KEY_OPERATION, callback, NULL, NULL, NULL);

      g_object_unref(gconf_client);
  }

  int main(int argc, char **argv)
  {
          //Initialize GConf
          g_type_init();
          gconf_init(argc, argv, NULL);
          config_init();

          while(1)
               sleep(1);
  }


  GCONF_TEST
  #include <gconf/gconf-client.h>
  #define GCONF_MAEMO_PREFIX "/apps/maemo"
  #define GCONF_KEY_OPERATION GCONF_MAEMO_PREFIX"/mc/operation"

  static void
  config_init()
  {
      GConfValue *value;
      gchar *str;

      GConfClient *gconf_client = gconf_client_get_default();

      if(!gconf_client)
      {
          printf("Failed to initialize GConf.  Quitting.");
          exit(1);
      }

      printf("Setting:%s\n",GCONF_KEY_OPERATION);
      gconf_client_set_string(gconf_client, GCONF_KEY_OPERATION, "deactivate", NULL);

      g_object_unref(gconf_client);
  }

  int main(int argc, char **argv)
  {
          //Initialize GConf
          g_type_init();
          gconf_init(argc, argv, NULL);
          config_init();

          return 1;
  }

  Thanks!
  Manuel



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