An event marking the beginning of a gesture.
Note that apps that link against macOS 10.11 and later no longer receive this event type. If you need to access the phases of a specific gesture, you can implement the responder for that gesture and examine its
phase property instead.
The user moved the mouse in a way that caused the cursor to move onscreen.
The user released a key on the keyboard.
An event that provides execution time to periodic tasks.
The user performed a nonspecific type of gesture.
The user performed a pinch-open or pinch-close gesture.
An event that reports a change in pressure on a pressure-sensitive device.