F1..F12 will probably return values of 112..123.  But overall,
JavaScript key events are...interesting.  Read this warning as "here
there be dragons":

http://google-web-toolkit.googlecode.com/svn/javadoc/1.6/com/google/gwt/event/dom/client/KeyEvent.html
"Base class for Key events. The native keyboard events are somewhat a
mess (http://www.quirksmode.org/js/keys.html), we do some trivial
normalization here, but do not attempt any complex patching, so user
be warned."

PPK is a good starting point:

http://www.quirksmode.org/js/keys.html

And this article+test script are also excellent:

http://unixpapa.com/js/key.html
http://unixpapa.com/js/testkey.html

On Nov 9, 9:32 pm, hjo1620 <[email protected]> wrote:
> I can't find function keys (F1 - F12) in KeyCodes.*
>
> Instead of:
>                 NativePreviewHandler handler = new NativePreviewHandler() {
>                         @Override
>                         public void onPreviewNativeEvent(NativePreviewEvent 
> event) {
>                                 if (event.getTypeInt() == Event.KEY_DOWN) {
>
>                                 }
>
>                         }
>                 };
>                 Event.addNativePreviewHandler(handler);
>
> I would like to say:
>                                 if (event.getTypeInt() == Event.F12) {
>
>                                 }
>
> Am I missing something obvious, or is this not possible ?
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