[Development] The future of QProperty and QBindable

[André Somers]

On 3/24/25 10:58, Ulf Hermann via Development wrote:
>> Whatever you change, please consider the upgrade path for people 
>> using BINDABLE in many, many places.
>> E.g. if a new solution can be applied by regexp search & replace, or 
>> if Qt Creator offered an "upgrade fix" via light bulb, that would be 
>> great.
>
> We need to establish some "NOTIFY default" as part of Q_PROPERTYY that 
> would produce a signal only on the metaobject level, but not as C++ 
> declaration. Then you could search-replace all your BINDABLEs and add 
> "READ default WRITE default NOTIFY default" to all of them. This, in 
> turn would enable QML to use the property without the bindable.
>
> I'll keep this in mind.
>
> best,
> Ulf

What's the benefit of not generating it on the C++ level? I mean, I 
understand you _can_ do that, but I don't quite see why you would prefer 
to introduce an inconsistency like that?

Cheers,

André