#include <gtk/gtk.h>

static void

activate (GtkApplication* app,

          gpointer        user_data)

{

  GtkWidget *window;

  GtkWidget *label;

  window = gtk_application_window_new (app);

  label = gtk_label_new ("Hello GNOME!");

  gtk_container_add (GTK_CONTAINER (window), label);

  gtk_window_set_title (GTK_WINDOW (window), "Welcome to GNOME");

  gtk_window_set_default_size (GTK_WINDOW (window), 200, 100);

  gtk_widget_show_all (window);

}

int

main (int    argc,

      char **argv)

{

  GtkApplication *app;

  int status;

  app = gtk_application_new (NULL, G_APPLICATION_FLAGS_NONE);

  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);

  status = g_application_run (G_APPLICATION (app), argc, argv);

  g_object_unref (app);

  return status;

}