Extending QML with a C++ class in a namespace
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Extending QML with a C++ class in a custom namespace
The example code below shows how you can extend QML with a C++ class in a custom namespace.
main.cpp
<br />#include <QtGui&gt;<br />#include <QtDeclarative&gt;
namespace MyNamespace {<br /> class Person : public QObject<br /> {<br /> Q_OBJECT<br /> Q_PROPERTY(QString name READ name WRITE setName)<br /> Q_PROPERTY(int shoeSize READ shoeSize WRITE setShoeSize)<br /> public:<br /> Person()<br /> {}
QString name() const<br /> {<br /> return m_name;<br /> }<br /> void setName(const QString & n)<br /> {<br /> m_name = n;<br /> }
int shoeSize() const<br /> {<br /> return m_size;<br /> }<br /> void setShoeSize(int s)<br /> {<br /> m_size = s;<br /> }
private:<br /> QString m_name;<br /> int m_size;<br /> };<br />}
#include "main.moc&quot;
using namespace MyNamespace;
int main(int argc, char** argv)<br />{<br /> QApplication app(argc, argv);<br /> qmlRegisterType&lt;Person&gt;("People&quot;, 1, 0, "Person&quot;);<br /> MyNamespace::Person myObj;<br /> QDeclarativeView view;<br /> view.rootContext()->setContextProperty("rootItem&quot;, (Person *)&myObj);<br /> view.setSource(QUrl::fromLocalFile&amp;#40;"main.qml&quot;&#41;);<br /> view.resize(200,100);<br /> view.show();<br /> return app.exec&amp;#40;&#41;;<br />}<br />
main.qml
<br />import QtQuick 1.0<br />import People 1.0
Text {<br /> text: myPerson.name
Person {<br /> id: myPerson;<br /> name: "Sigurd&quot;<br /> shoeSize: 24
}<br />}<br />