Linking Enter key to button in Flash game - actionscript-3

Question

I'm building a topo-trainer in Adobe Flash with actionscript 3.0.
I'm almost done now. I made this "quit" button at the end of the game.
You can click it to quit the game now, but I would like the Enter key to react to the quit-button as well. I really tried looking it up on the internet and on stackoverflow, but either my searching skills are not advanced enough or there hasn't been a person with the same problem yet.
I hope somebody knows how to couple the Enter button to a button in Flash. There is no EditText involved.
Thanks for your help,
Justin

Answer 1

Let's say you have some code that runs when your games ends:
myQuitBtn.addEventListener(MouseEvent.CLICK, quit, false, 0, true);
function quit(e:MouseEvent):void {
//do something, we quit the game
}
You could easily listen for a key event by changing it to the following:
myQuitBtn.addEventListener(MouseEvent.CLICK, quit, false, 0, true);
stage.addEventListener(KeyboardEvent.KEY_UP, keyUpHandler, false, 0, true);
function keyUpHandler(e:KeyboardEvent):void {
//Check if the key pressed was the enter key
if(e.keyCode === 13){ //could also do `e.keyCode === Keyboard.ENTER`
quit();
}
}
//make the event argument optional so you can call this method directly and with a mouse listener
function quit(e:Event = null):void {
//remove the key listener
stage.removeEventListener(KeyboardEvent.KEY_UP, keyUpHandler, false);
//do something, we quit the game
}