@Override
			public void keyReleased(KeyEvent e) {
				KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
				kfm.redispatchEvent(textArea, e);
			}
A test vertex that allows the user t enter text and has a header for dragging.
Ghidra/Framework/Graph/src/test.slow/java/ghidra/graph/support/TextAreaTestVertex.java