#include <gtk/gtk.h>
#include<libintl.h>
#include<locale.h>

#define _(String) gettext(String)

static void hello( GtkWidget *widget,
                   gpointer   data )
{
    g_print (_("Hello World\n"));
}

static gboolean delete_event( GtkWidget *widget, GdkEvent  *event, gpointer   data )
{
    g_print(_("delete event occurred\n"));
    return TRUE;
}

static void destroy( GtkWidget *widget, gpointer   data )
{
    gtk_main_quit ();
}

int main( int   argc, char *argv[] )
{
    GtkWidget *window;
    GtkWidget *button;

    setlocale(LC_ALL,"");
    bindtextdomain("helloworldgtk","/usr/share/locale");
    textdomain("helloworldgtk");
    
    gtk_init (&argc, &argv);
    
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    
    g_signal_connect (G_OBJECT (window), "delete_event", G_CALLBACK (delete_event), NULL);
    
    g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (destroy), NULL);
    
    gtk_container_set_border_width (GTK_CONTAINER (window), 10);
    
    button = gtk_button_new_with_label (_("Hello World"));
    
    g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (hello), NULL);
    
    g_signal_connect_swapped (G_OBJECT (button), "clicked", G_CALLBACK (gtk_widget_destroy), G_OBJECT (window));
    
    gtk_container_add (GTK_CONTAINER (window), button);
    
    gtk_widget_show (button);
    
    gtk_widget_show (window);
    
    gtk_main ();
    
    return 0;
}