Implementing a KeyListener?

[Alfryd]

I was just wondering how I'd go about implementing a system that notifies a listener class whenever a given key is pressed?  Is there some handy LWJGL utility for it, or do I need to poll across all keys and handle it that way?

[ryanm]

You have to poll in the sense that you check the keyboard every frame, but not in the sense of checking every key to see if it's changed. Like so:

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while( Keyboard.next() ) {    int key = Keyboard.getEventKey();    boolean down = Keyboard.getEventKeyState();    boolean repeat = Keyboard.isRepeatEvent();    char c = Keyboard.getEventCharacter();         // do whatever }

That'll take you through all the changes to keyboard state since the last time you checked.

[Alfryd]

Much obliged!