Terminology
The following terms are used to describe keys and keyboard actions in this chapter:
- Modifier keys are keys that affect the functioning of the alphanumeric keys. The modifier keys are the Shift, Command, Control, Option, and Caps Lock keys.
- The key-view is the view that receives user key strokes. You can get the current key-view by calling the global function
GetKeyView. The key-view is the view that owns the caret.- Command keys associate a message (an action) with a key combination. The key combination consists of a character typed on the keyboard in combination with some number of modifier keys.
- Keystroke events are events generated by the system when the user interacts with a keyboard. Keystroke events include the key-up, key-down, and key-repeat events.
- Keystrings are groups of individual key presses that the system has collected together for batch processing.
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