Bug 165676 [JFace] Add javadoc to Window.close() to tell that no shellClosed event is sent
bundles/org.eclipse.jface/src/org/eclipse/jface/window/Window.java
private static int orientation = SWT.NONE;
    /**
     * Object used to locate the default parent for modal shells
     */
    private static IShellProvider defaultModalParent = new IShellProvider() {
        public Shell getShell() {
            Display d = Display.getCurrent();
            
            if (d == null) {
                return null;
            }
            Shell parent = d.getActiveShell();
            
            
            if (parent == null) {
                
                parent = getModalChild(Display.getCurrent().getShells());
            } else {
                
                Shell modalChild = getModalChild(parent.getShells());
                if (modalChild != null) {
                    parent = modalChild;
                }
            }
            
            return parent;
        }
    };
    
	/**