Event Modifier Constants
In addition to an id field, each java.awt.Event also contains a modifier field that provides additional information about the event. For example, you might want to know which key or which mouse button triggered an event. The Event class defines a handful of constants that provide such information. Table 8-6 lists the modifier constants. We'll show how to use these later in this chapter, but it's useful to have them handy for reference.
Event Modifier Constant | Type | Meaning |
---|---|---|
ALT_MASK | Keyboard | ALT key is down. |
ALT_MASK | Mouse Button | Button 2 is pressed. |
CTRL_MASK | Keyboard | CONTROL key is down. |
DOWN | Function Key | DOWN key is pressed. |
END | Function Key | END key is pressed. |
F1 - F12 | Function Key | FUNCTION ... |
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