public void setActivo(boolean val) { glass.setVisible(val); setVisible(val); JLayeredPane.getLayeredPaneAbove(glass).moveToFront(glass); if (val) { synchronized (syncMonitor) { try { if (SwingUtilities.isEventDispatchThread()) { EventQueue theQueue = getToolkit().getSystemEventQueue(); while (isVisible()) { AWTEvent event = theQueue.getNextEvent(); Object source = event.getSource(); if (event instanceof ActiveEvent) { ((ActiveEvent) event).dispatch(); } else if (source instanceof Component) { ((Component) source).dispatchEvent(event); } else if (source instanceof MenuComponent) { ((MenuComponent) source).dispatchEvent(event); } else { System.out.println("No se puede despachar: " + event); } } } else { while (isVisible()) { syncMonitor.wait(); } } } catch (InterruptedException ignored) { System.out.println("Excepción de interrupción: " + ignored.getMessage()); } } } else { synchronized (syncMonitor) { setVisible(false); glass.setVisible(false); syncMonitor.notifyAll(); eliminarDelContenedor(); } } }