How to: Use native key shortcut in Java app on OSX

Put this code after L&F

// you can check os before calling this code

InputMap im = (InputMap) UIManager.get("TextField.focusInputMap");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_C, KeyEvent.META_DOWN_MASK), DefaultEditorKit.copyAction);
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_V, KeyEvent.META_DOWN_MASK), DefaultEditorKit.pasteAction);
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_X, KeyEvent.META_DOWN_MASK), DefaultEditorKit.cutAction);
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_A, KeyEvent.META_DOWN_MASK), DefaultEditorKit.selectAllAction);