Groups > comp.lang.java.programmer > #6913

Re: event listener

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From	"John B. Matthews" <nospam@nospam.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: event listener
Date	Tue, 09 Aug 2011 10:38:41 -0400
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In article 
<2e38eb6a-a835-4fdf-bebe-5fc2b4f17333@m4g2000pri.googlegroups.com>,
 wee <rbulseco@gmail.com> wrote:

> I have a JButton object and I added an actionListener to it. It works 
> well with a mouse click, but if I use the enter key while the focus 
> is on the JButton, nothing happens. Do I need to add a keypress 
> listener on top of the actionListener to the JButton so that it would 
> work both for a keypress and a mouse click? Help on this query is 
> greatly appreciated.

The default key binding for Swing buttons is the space key [1]. You can 
add a binding to the enter key, as shown here [2], but the root pane's 
setDefaultButton() method [3] is a convenient alternative.

[1]<http://download.oracle.com/javase/tutorial/uiswing/misc/keybinding.html>
[2]<http://sites.google.com/site/drjohnbmatthews/keypad-panel>
[3]<http://download.oracle.com/javase/6/docs/api/javax/swing/JRootPane.html>

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

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event listener wee <rbulseco@gmail.com> - 2011-08-08 17:17 -0700
  Re: event listener "John B. Matthews" <nospam@nospam.invalid> - 2011-08-09 10:38 -0400

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