Jam jest hardkor!

package pl.m4tx.JNATest;

import java.nio.IntBuffer;

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.PointerType;
import com.sun.jna.ptr.PointerByReference;

/**
 * @author m4tx
 *
 */
public class Main {
    public interface GTKLibrary extends Library {
        GTKLibrary INSTANCE = (GTKLibrary) Native.loadLibrary("gtk-3",
                GTKLibrary.class);

        void gtk_init(IntBuffer argc, PointerByReference argv);
        void gtk_main();
        GtkWidget gtk_window_new(int type);
        void gtk_widget_show(GtkWidget widget);

        public static class GtkWidget extends PointerType {
            public GtkWidget(Pointer address) {
                super(address);
            }
            public GtkWidget() {
                super();
            }
        };
    }

    public static void main(String[] args) {
        GTKLibrary gtk = GTKLibrary.INSTANCE;
        gtk.gtk_init(null, null);
        GTKLibrary.GtkWidget window = gtk.gtk_window_new(0);
        gtk.gtk_widget_show(window);
        gtk.gtk_main();
    }
}