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7975Re: KeyListener problems

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  • randomjuju
    Dec 29, 2006
      Hi there!

      This may belong in another thread, but I was wondering why KeyListener
      is part of the Container collection. It seems to me that it'd be
      handy in lots of other situations, too.

      Thanks!

      -Jon

      --- In ydn-javascript@yahoogroups.com, "Steven Peterson"
      <y_stevenp@...> wrote:
      >
      > In your function, e does not represent an event, so using the Event
      utility
      > against it will not work. KeyListener uses a CustomEvent, so the
      arguments
      > are (type, args, obj), so you should look in the args array to get
      both the
      > DOM event (the first arg) and the code for the key that was pressed (the
      > second arg). When you pass your handler to the KeyListener, it is
      subscribed
      > to the internal "keyEvent" CustomEvent, and all of the abstract
      differences
      > between keyCode and charCode are handled under the hood.
      >
      >
      >
      > Steven Peterson
      >
      > Web Developer, Platform Engineering
      >
      > Yahoo!
      >
      >
      >
      >
      >
      >
      >
      > From: ydn-javascript@yahoogroups.com
      [mailto:ydn-javascript@yahoogroups.com]
      > On Behalf Of itsallaboutyui
      > Sent: Friday, December 29, 2006 3:36 PM
      > To: ydn-javascript@yahoogroups.com
      > Subject: [ydn-javascript] KeyListener problems
      >
      >
      >
      > I have an object containing the following code
      >
      > var kl2 = new YAHOO.util.KeyListener(document, {
      > keys:[74,175,170,171,172,174,176] },
      > {
      > fn:this.kp},correctScope:true } );
      > kl2.enable();
      >
      > //this.kp is a function within the object which calls
      > kp : function(e){
      >
      > YAHOO.log('pressed: ' + $E.getCharCode(e));
      > }
      >
      > but the charCode is always 0. I'm stumped. 74 is a keypress for J.
      >
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