Passing QVariantMap from C++ to QML: Auto conversion fails! Bug??

jackmack

Hi,

using Qt 5.4.1 on Windows7 (64bit), VS2010.

Passing QVariantMap from C++ to QML fails if QMap's key is a big integer! See below example:

That's the C++ function I call from QML:

Q_INVOKABLE QVariantMap test() {

	QVariantMap map;
	QVariantList values;
	
	values << "test" << "4294967295" << 5678;
	map.insert("4800000000", values); // as key I use a big integer as string!
	
	return map;
};

The call from QML:
...
var result = myClass.test()

        for (var key in result)
            console.log(key, JSON.stringify(result[key], 0, 2))
    }

The console output:

qml: 505032704 [
"test",
"4294967295",
5678
]
But I expect 4800000000.

The key in C++ is a QString("4800000000") which is converted automatically my QQuick into an integer 505032704. BAD!!!

But if I use QString("4700000000") as key it works! Seems there is a conversion bug/limit when QQuick converts string number into int (uint?).

Any experience, suggestions to fix?

SGaist

Hi,

From a quick look, I wonder if you are not hitting this ?