Re: [ANNOUNCE] Tk-JComboBox 1.08

I might as well post changes for 1.07 as well, since it was never 
actually released  on CPAN.

1.07 Bug Fixes + new Features

   - Ken Prows reported test failure to CPAN bug tracker #12788
     The failure was due to a font within a test not being available
     on a test platform.

     - I've fixed this, hopefully this will fix test failures.
  
   - Jack Dunnigan reported a bug related to -state option:
     when state is disabled, then reset to normal some of the colors
     don't switch back as they should.
 
     - This has been fixed. Jack also noted that there is a lot of
     code that seems to be unnecessary for disabled bg/fg. I agreed,
     but this code is in place to make it backward-compatible for
     those who have not upgraded to Tk804.* releases. Eventually, I see
     some of this code fading away, but for now, it remains. There
     still seem to be issues with Tk804.* so some may not have upgraded.

   - Jack Dunnigan requested the ability to tie internal state of
     JCombobox items to the array reference passed to the -choices
     option.

     - I added this new feature, and added tests, and new docs
     in JComboBox reference and tutorial pod.
 
     Notes: I hadn't thought of doing this before, and it was
     intriguing. It is similar in principle to how Java's swing
     components implement MVC. Jack suggesed Tk::Trace, however I
     preferred Steve Lidie's Tie::Watch module. After implementing
     most of the functionality, I discovered that Tie::Watch didn't
     support DELETE and EXISTS (which I've come to discover have
     limited usefulness when applied to arrays...). I notified Steve,
     and switched to use Tie::Array instead. I plan to switch back
     to Tie::Watch the next time there is a Tk release that includes
     Steve's updated module.

   - Jack Dunnigan requested a way to alter how autofind anchors
     its search string when determine whether or not a field matches.

     - Implemented this with a new callback option called -matchcommand
     This will allow someone to supply their own callback to determine
     if an item matches or not.

     Notes: I originally considering implementing this as another
     autofind option called -searchanchor, but ultimately decided against
     it, when James White commented that the option could be made even
     more flexible by passing a reference to a regular expression. I
     think that the callback approach should deliver a decent option
     that delivers sufficient flexibility to plug in whichever approach
     is required. I believe this option will rarely be used in any case,
     because I question whether the resulting behavior is user friendly.
     I'm not sure if JComboBox is the best fit for Jack's intended
     purpose.

Rob Seegel wrote:

> 1.08 Bug Fixes + new Features
>
>   - Fonts still an issue for 1.07 tests; commented out tests while I  

> rethink testing scheme.
>     - Jack Dunnigan requested that the choices array be made to support
>     multiple JComboBox instances; I've put in an initial implementation
>     but I susppect that it will be refactored in the future with a     
> better solution. Updated docs to reflect change.
>
>     -- I'm still considering a more generic solution, like the ListModel
>     in the java swing api. Something that could be reused easily for 
>     the various Tk widgets that use internal Lists.
>

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