gio/tests/gapplication-example-cmdline4.c

   1 #include <gio/gio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5
   6 static gint
   7 handle_local_options (GApplication      *application,
   8                       GVariantDict      *options,
   9                       gpointer           user_data)
  10 {
  11   guint32 count;
  12
  13   /* Deal (locally) with version option */
  14   if (g_variant_dict_lookup (options, "version", "b", &count))
  15     {
  16       g_print ("This is example-cmdline4, version 1.2.3\n");
  17       return EXIT_SUCCESS;
  18     }
  19
  20   return -1;
  21
  22 }
  23
  24 static gint
  25 command_line (GApplication                *application,
  26               GApplicationCommandLine     *cmdline,
  27               gpointer                     user_data)
  28 {
  29   guint32 count;
  30
  31   GVariantDict *options = g_application_command_line_get_options_dict (cmdline);
  32
  33   /* Deal with arg option */
  34   if (g_variant_dict_lookup (options, "flag", "b", &count))
  35     {
  36       g_application_command_line_print (cmdline, "flag is set\n");
  37     }
  38
  39   return EXIT_SUCCESS;
  40 }
  41
  42
  43 int
  44 main (int argc, char **argv)
  45 {
  46   GApplication *app;
  47   int status;
  48
  49   GOptionEntry entries[] = {
  50     /* A version flag option, to be handled locally */
  51     { "version", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "Show the application version", NULL },
  52
  53     /* A dummy flag option, to be handled in primary */
  54     { "flag", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "A flag argument", NULL },
  55
  56     { NULL }
  57   };
  58
  59   app = g_application_new ("org.gtk.TestApplication",
  60                            G_APPLICATION_HANDLES_COMMAND_LINE);
  61
  62   g_application_add_main_option_entries (app, entries);
  63
  64   g_application_set_option_context_parameter_string (app, "- a simple command line example");
  65   g_application_set_option_context_summary (app,
  66                                             "Summary:\n"
  67                                             "This is a simple command line --help example.");
  68   g_application_set_option_context_description (app,
  69                                                 "Description:\n"
  70                                                 "This example illustrates the use of "
  71                                                 "g_application command line --help functionalities "
  72                                                 "(parameter string, summary, description). "
  73                                                 "It does nothing at all except displaying information "
  74                                                 "when invoked with --help argument...\n");
  75
  76   g_signal_connect (app, "handle-local-options", G_CALLBACK (handle_local_options), NULL);
  77   g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
  78
  79   /* This application does absolutely nothing, except if a command line is given */
  80   status = g_application_run (app, argc, argv);
  81
  82   g_object_unref (app);
  83
  84   return status;
  85 }