Re: Listbox key bindings not working as expected

On 13/08/2010 2:31 AM, Rainer J.H. Brandt wrote:
>> key bindings will work only when keyboard focus is on the widget. Try setting focus like this
>>
>>   use Tk;
>>   $mw = MainWindow->new();
>>   $lb = $mw->Listbox()->pack();
>>   $lb->insert('end', 1..5);
>>
>>   $lb->focus();
>>
>>   MainLoop;
>
> Thanks, your suggestion works.
> However, I'm astonished.  Clicking on the widget with the mouse
> doesn't give it keyboard focus?  I've never seen a GUI that behaved
> like that.  Well, I must have seen it, but haven't noticed it in 14
> years of programming and using Perl/Tk on a daily basis...

If you want to have listboxes take focus, you can extend the class 
binding to Listbox on <1> that adds focus.  Also note that Tk 8.5 does 
correct this oversight with said class binding as default.

Jeff
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