Jodd provides simple SwingSpy. Add jodd.jar to classpath (if it is not already there;) and somewhere at the beginning invoke the following code:

		try {
			Class.forName("jodd.swing.spy.SwingSpy").getMethod("install").invoke(null);
		} catch (Exception e) {
			System.err.println("SwingSpy is not installed... " + e.toString());
		}
			

Then, on hot key combination (ctrl+shift+click) user might experience the following: