> well, the problem is that createTree() does not registered in your
QObject-derived class.
but why does it work in the following case then ?
QtObject {
function createTree() { }
}
-------
Jean-Michaël Celerier
http://www.jcelerier.name
On Sun, Oct 7, 2018 at 1:00 PM Vlad Stelmahovsky <vladstelmahov...@gmail.com>
wrote:
> well, the problem is that createTree() does not registered in your
> QObject-derived class. its a part of instantiated object ant metasystem
> have no clue about it
>
> I think you need to register it 1st in header somehow
> On 10/7/18 12:41 PM, Jean-Michaël Celerier wrote:
>
> Yes, that's what I'm doing, but I 'm typing the code in the mail - sorry
> for the typo.
>
> Here's something even more fundamental : the following prints all the
> functions if my type is a QtObject descendant, but it does not if my type
> is a MyLib.MyObject descendant
>
> for(int i = 0; i < obj->metaObject()->methodCount(); i++) {
> qDebug() << obj->metaObject()->method(i).name();
> }
>
>
> -------
> Jean-Michaël Celerier
> http://www.jcelerier.name
>
>
> On Sun, Oct 7, 2018 at 12:39 PM Vlad Stelmahovsky <
> vladstelmahov...@gmail.com> wrote:
>
>> QMetaMethod::invokeMethod(obj, "createTree");
>> On 10/7/18 12:34 PM, Jean-Michaël Celerier wrote:
>>
>> Hello,
>> I have the following code :
>>
>> Foo.qml :
>>
>> MyLib.MyObject {
>> function createTree() { /* stuff */ }
>> property string host: "ws://whatever.com"
>> }
>>
>> cpp :
>>
>> namespace lib {
>> class MyObject : public QObject { Q_OBJECT };
>> }
>> ...
>> QQmlComponent c(engine);
>> c.setData("content of Foo.qml", QUrl());
>>
>> auto obj = c.createObject();
>> QString host = QQmlProperty(obj, "host").read();
>> QMetaMethod::invokeMethod("createTree");
>>
>> Reading the "host" property works fine so the QML object is correctly
>> instantiated. But the invokeMethod call gives me a warning :
>>
>> QMetaObject::invokeMethod: No such method
>> 'lib::MyObject::createTree()'
>>
>> The weird thing being: it works fine if I replace MyLib.MyObject with
>> QtObject on the QML side.
>> Of course I want to use some additional methods present in MyObject so
>> this is not a solution.
>>
>> Anyone knows what is going on here ?
>>
>> Thanks,
>> Jean-Michaël Celerier
>>
>>
>>
>>
>>
>> -------
>> Jean-Michaël Celerier
>> http://www.jcelerier.name
>>
>> _______________________________________________
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>>
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>
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