[Qt-interest] QAbstractItemView and tri state check boxes

[Ross Bencina]

Atlant Schmidt wrote:
>Scott:
> 
>> All the tools I found (about 4-5 of them, none of them Qt based) went
>> partial checked -> checked ->unchecked ->checked etc
 >
 > Well, as I mentioned, that's the easy implementation. ;-)
>
>  It has lousy human factors, of course, since once you
>  touch the Partially-Checked checkbox there's no way to
>  undo the damage you've done 

Err, how about an undo system?

This is often the right answer to rolling back unintended changes.

Just my two cents

Ross.