int /*long*/ window = OS.GTK_WIDGET_WINDOW (parent.paintHandle());
    if (window == 0) return;
    byte [] bits = {-86, 85, -86, 85, -86, 85, -86, 85};
    int /*long*/ stipplePixmap = OS.gdk_bitmap_create_from_data (window, bits, 8, 8);
    int /*long*/ gc = OS.gdk_gc_new (window);
    int /*long*/ colormap = OS.gdk_colormap_get_system();
    GdkColor color = new GdkColor ();
    OS.gdk_color_white (colormap, color);
    OS.gdk_gc_set_foreground (gc, color);
    OS.gdk_gc_set_stipple (gc, stipplePixmap);
    OS.gdk_gc_set_subwindow (gc, OS.GDK_INCLUDE_INFERIORS);
    OS.gdk_gc_set_fill (gc, OS.GDK_STIPPLED);
    OS.gdk_gc_set_function (gc, OS.GDK_XOR);
    OS.gdk_draw_rectangle (window, gc, 1, x, y, width, height);
    OS.g_object_unref (stipplePixmap);
    OS.g_object_unref (gc);