@Override
		public void keyReleased(KeyEvent e) {
			int keyCode = e.getKeyCode();
			if (keyCode == KeyEvent.VK_SHIFT) {
				keyHandler.shiftKeyReleased();
			}
		}
Notifies all listeners that the selection changed.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/FieldPanel.java