@Override
    public void setSettings(AppSettings settings) {
        this.settings.copyFrom(settings);
        this.settings.setRenderer(AppSettings.LWJGL_OPENGL2);
        if (actualContext != null) {
            actualContext.setSettings(settings);
        }
    }
Accesses the listener that receives events related to this context.

@return the pre-existing instance
jme3-desktop/src/main/java/com/jme3/system/awt/AwtPanelsContext.java