1  #include <gio/gio.h>
       2  #include <stdlib.h>
       3  #include <string.h>
       4  
       5  static gboolean
       6  my_cmdline_handler (gpointer data)
       7  {
       8    GApplicationCommandLine *cmdline = data;
       9    gchar **args;
      10    gchar **argv;
      11    gint argc;
      12    gint arg1;
      13    gboolean arg2;
      14    gboolean help;
      15    GOptionContext *context;
      16    GOptionEntry entries[] = {
      17      { "arg1", 0, 0, G_OPTION_ARG_INT, &arg1, NULL, NULL },
      18      { "arg2", 0, 0, G_OPTION_ARG_NONE, &arg2, NULL, NULL },
      19      { "help", '?', 0, G_OPTION_ARG_NONE, &help, NULL, NULL },
      20      G_OPTION_ENTRY_NULL
      21    };
      22    GError *error;
      23    gint i;
      24  
      25    args = g_application_command_line_get_arguments (cmdline, &argc);
      26  
      27    /* We have to make an extra copy of the array, since g_option_context_parse()
      28     * assumes that it can remove strings from the array without freeing them.
      29     */
      30    argv = g_new (gchar*, argc + 1);
      31    for (i = 0; i <= argc; i++)
      32      argv[i] = args[i];
      33  
      34    context = g_option_context_new (NULL);
      35    g_option_context_set_help_enabled (context, FALSE);
      36    g_option_context_add_main_entries (context, entries, NULL);
      37  
      38    arg1 = 0;
      39    arg2 = FALSE;
      40    help = FALSE;
      41    error = NULL;
      42    if (!g_option_context_parse (context, &argc, &argv, &error))
      43      {
      44        g_application_command_line_printerr (cmdline, "%s\n", error->message);
      45        g_error_free (error);
      46        g_application_command_line_set_exit_status (cmdline, 1);
      47      }
      48    else if (help)
      49      {
      50        gchar *text;
      51        text = g_option_context_get_help (context, FALSE, NULL);
      52        g_application_command_line_print (cmdline, "%s",  text);
      53        g_free (text);
      54      }
      55    else
      56      {
      57        g_application_command_line_print (cmdline, "arg1 is %d and arg2 is %s\n",
      58                                          arg1, arg2 ? "TRUE" : "FALSE");
      59        g_application_command_line_set_exit_status (cmdline, 0);
      60      }
      61  
      62    g_free (argv);
      63    g_strfreev (args);
      64  
      65    g_option_context_free (context);
      66  
      67    /* we are done handling this commandline */
      68    g_object_unref (cmdline);
      69  
      70    return G_SOURCE_REMOVE;
      71  }
      72  
      73  static int
      74  command_line (GApplication            *application,
      75                GApplicationCommandLine *cmdline)
      76  {
      77    /* keep the application running until we are done with this commandline */
      78    g_application_hold (application);
      79  
      80    g_object_set_data_full (G_OBJECT (cmdline),
      81                            "application", application,
      82                            (GDestroyNotify)g_application_release);
      83  
      84    g_object_ref (cmdline);
      85    g_idle_add (my_cmdline_handler, cmdline);
      86  
      87    return 0;
      88  }
      89  
      90  int
      91  main (int argc, char **argv)
      92  {
      93    GApplication *app;
      94    int status;
      95  
      96    app = g_application_new ("org.gtk.TestApplication",
      97                             G_APPLICATION_HANDLES_COMMAND_LINE);
      98    g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
      99    g_application_set_inactivity_timeout (app, 10000);
     100  
     101    status = g_application_run (app, argc, argv);
     102  
     103    g_object_unref (app);
     104  
     105    return status;
     106  }