#include <cstdlib>	//for EXIT_SUCCESS;
#include "gtk.h"

void hello()
{
	g_print("Hello World\n");
	gtk_exit(EXIT_SUCCESS);
}

void destroy()
{
	gtk_exit(EXIT_SUCCESS);
}

int main(int argc, char **argv)
{
	gtk_init(&argc, &argv);

	GtkWidget *const window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

	gtk_signal_connect(GTK_OBJECT(window), "destroy",
		GTK_SIGNAL_FUNC(destroy), NULL);

	gtk_container_border_width(GTK_CONTAINER (window), 10);

	GtkWidget *const button = gtk_button_new_with_label("Hello World");
	gtk_signal_connect(GTK_OBJECT(button), "clicked",
		GTK_SIGNAL_FUNC(hello), NULL);
	gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
		GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(window));
	gtk_container_add(GTK_CONTAINER(window), button);

	gtk_widget_show(button);
	gtk_widget_show(window);
	gtk_main();
	return EXIT_SUCCESS;
}