DWT event handling

[bobef]

void handleTextEvent (Event e, Composite composite, TreeItem item, TreeEditor editor,Text text, int inset ) 

This is longer to write than new class {blah blah} :)

Frank Benoit Wrote:

> I added the template function Bill suggested once to the 
> dwt.widgets.Listener module.
> 
> http://www.dsource.org/projects/dwt-linux/browser/dwt/widgets/Listener.d?rev=243%3A84629474b5ec
> 
> You can see that in action in this snippet
> http://www.dsource.org/projects/dwt-samples/browser/snippets/treeeditor/Snippet111.d?rev=85%3Afa286c85e7b8
> 
> See lines: 102..106
> 
> Thanks Bill for the snippets and for this cool template function suggestion.
> 
> Frank