QQmlPropertyMap how to notify QML of updates

[SPlatten]

@JoeCFD , this is a project that already exists, I am adding functionality to it.

[JoeCFD]

@SPlatten Read the example:
https://doc.qt.io/qt-5.15/qqmlpropertymap.html

QQmlPropertyMap ownerData;
ownerData.insert("name", QVariant(QString("John Smith")));  ==> will not trigger valueChanged, sort of like initialization
ownerData.insert("phone", QVariant(QString("555-5555")));

write a small program to test it.

[SPlatten]

@JoeCFD , is it only the initial insert of an item that does not trigger the valueChanged signal ?

I will try this out tomorrow, thank you.

[JoeCFD]

@SPlatten the doc says clear() does not as well.

[SPlatten]

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[JoeCFD]

@SPlatten In QML I guess you use id for connections.

[Bob64]

@SPlatten I haven't followed this whole thread so apologies if I have missed something, but but regarding your most recent question, could you set your QQmlPropertyMap as a context property in your C++ back end? You would then be able in QML to use the name that you registered the context property as.

[Drooke]

Might be able to try:
Item{
Property var myData: backendQqmlPropertyMap.name
OnMyDataChanged{
// Doathing
}
}

Sorry for formatting, on a phone currently!

[SPlatten]

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[SPlatten]

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