| Defined Methods | Description |
| windowGainedFocus(WindowEvent e) | Called when the window gains the focus such that the window or one of its components will receive keyboard events. |
| windowLostFocus(WindowEvent e) | Called when the window loses the focus. After this event, neither the window nor any of its components will receive keyboard events. |
| 15.42.WindowFocusListener | ||||
| 15.42.1. | The WindowFocusListener Interface: respond to a window gaining or losing the focus | |||
| 15.42.2. | All the IDs for mouse events are defined in the MouseEvent class | |||