qwidgets.cpp Example File

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#include <QtDeclarative/QDeclarativeExtensionPlugin>
#include <QtDeclarative/qdeclarative.h>
#include <QtGui/QGraphicsProxyWidget>
#include <QtGui/QPushButton>
#include <QDebug>
class MyPushButton : public QGraphicsProxyWidget
{
    Q_OBJECT
    Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
public:
    MyPushButton(QGraphicsItem* parent = 0)
        : QGraphicsProxyWidget(parent)
    {
        widget = new QPushButton("MyPushButton");
        widget->setAttribute(Qt::WA_NoSystemBackground);
        setWidget(widget);
        QObject::connect(widget, SIGNAL(clicked(bool)), this, SIGNAL(clicked(bool)));
    }
    QString text() const
    {
        return widget->text();
    }
    void setText(const QString& text)
    {
        if (text != widget->text()) {
            widget->setText(text);
            emit textChanged();
        }
    }
Q_SIGNALS:
    void clicked(bool);
    void textChanged();
private:
    QPushButton *widget;
};
class QWidgetsPlugin : public QDeclarativeExtensionPlugin
{
    Q_OBJECT
public:
    void registerTypes(const char *uri)
    {
        qmlRegisterType<MyPushButton>(uri, 1, 0, "MyPushButton");
    }
};
#include "qwidgets.moc"
Q_EXPORT_PLUGIN2(qmlqwidgetsplugin, QWidgetsPlugin);