public boolean mouseup(Coord c, int button) { Pagina h = bhit(c); if ((button == 1) && (grab != null)) { if (dragging != null) { ui.dropthing(ui.root, ui.mc, dragging.res()); dragging = pressed = null; } else if (pressed != null) { if (pressed == h) use(h, false); pressed = null; } grab.remove(); grab = null; } return (true); }