Bug 16995 HoverHelp example does not create ON_TOP Shell for tooltips
The shell created to show the tooltip does not have the ON_TOP style. It causes the main window to loose focus when the tooltip is shown.
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/hoverhelp/HoverHelp.java
private static ResourceBundle resourceBundle = ResourceBundle.getBundle("examples_hoverhelp");;
	
	static final int
		hhiInformation = 0,
		hhiWarning = 1;
	static final String[] imageLocations = {
		"information.gif",
		"warning.gif"
	};
	Image images[];
	/**
	 * Runs main program.
	 */
	public static void main (String [] args) {
		Display display = new Display();
		Shell shell = new HoverHelp().open(display);
		
		while (shell != null && ! shell.isDisposed()) {
			if (! display.readAndDispatch()) display.sleep();