How to call cpp file function from qml??

Hi All,
As i am new to qt quick i'm in need of calling a function from qml to cpp file, I am not able to write code for this. I tried this code...


I am trying to add two numbers!!!I tried writing it in qml but could not get the result.. so i am looking to write a function for adding the nos. in the cpp file .
i would call from qml to cpp function...

QML CODE:

Code:

---

property string i;
    property string j;
 
 Button {
            id: one
            x: 59
            y: 131
            width: 41
            height: 42
            text: "1"
            onClicked:
            {
 
                   i = text
                   textfield.text = textfield.text + i
            }
        }
 Button {
            id: two
            x: 119
            y: 131
            text: "2"
            onClicked:
            {
 
                   i = text
                  textfield.text = textfield.text + i
 
            }
 
        }
 
 Button {
            id: add
            x: 247
            y: 131
            text: "+"
            onClicked:
            {
                j = textfield.text
                ans = j
 
                textfield.text = ""
 
                funct.buttonclicked()

---

CPP CODE:

Code:

---

void funct::buttonclicked()
{
 
    QString *s = new QString;
    s->show();
    .....???
    .....???
 
}

---

I am not able write from this!!!!

Thanks in advance and Regards,
Naufal.A

Export your C++ object to QML using QDeclarativeContext::setContextProperty().

Hi,
Can i have some more explanation on it sir.
I could not understand it clearly!!!!

Thanks and Regards,
Naufal.A

What's wrong with the examples from Qt docs on using context properties in QML?

Hi,
I am getting that cleared now.. i have one more doubt in this!!!
How to send the integer value from cpp fn to qml fn??
I have tried using QDeclarative view and also Qdeclarative context and i am getting only errors..

Error: cannot convert 'QGraphicsObject*' to 'QObject*' in initialization


QDeclarativeView view;
QObject *object = view.rootObject();
QObject* listView = object->findChild<QObject *>("events");
QVariant returnedValue;
QMetaObject::invokeMethod(listView, "addd",Q_RETURN_ARG(QVariant, returnedValue));

Can some one help me to find whats the mistake is

Thanks in advance and Regards,
Naufal.A

It's likely you are missing #include <QGraphicsObject>