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# Scripting Example

This example demonstrates the combination of Javascript and a trivial plugin, and the use of a plugin in combination with a form.

If the browser supports scripting plugins, and everything is set up correctly, the plugin below should react to mouse clicks and drags by changing its text. The `About...` button should pop up an `About Qt` dialog. The second plugin instance, below the horizontal line, should display the word `QtBrowserPlugin`, and pressing the `Go`! button should navigate the browser to a search for this word at google.com.

Search at Google:

Implementation:

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     #include <QtGui>
     #include <qtbrowserplugin.h>

     class Trivial : public QWidget
     {
         Q_OBJECT
         Q_PROPERTY(QString text READ text WRITE setText)

         Q_CLASSINFO("ClassID", "{5a22176d-118f-4185-9653-9f98958a6df8}")
         Q_CLASSINFO("InterfaceID", "{2df735ba-da4f-4fb7-8f35-b8dfbf8cfd9a}")
         Q_CLASSINFO("EventsID", "{449de213-f8bd-4d2e-a2cf-eab407c03245}")

         Q_CLASSINFO("MIME", "trivial/very:xxx:Trivial and useless")
         Q_CLASSINFO("ToSuperClass", "Trivial")
         Q_CLASSINFO("DefaultProperty", "text")

     public:
         Trivial(QWidget *parent = 0)
             : QWidget(parent)
         {
             m_text = QString::fromLatin1("Empty");
         }

         void mousePressEvent(QMouseEvent *)
         {
             mouseDown();
         }
         void mouseMoveEvent(QMouseEvent *e)
         {
             mouseMove(e->x(), e->y());
         }
         void mouseReleaseEvent(QMouseEvent*)
         {
             mouseUp();
         }
         QString text() const
         {
             return m_text;
         }

     public slots:
         void about()
         {
             QMessageBox::aboutQt(this);
         }
         void setText(const QString &text)
         {
             m_text = text;
             update();
         }

     signals:
         void mouseDown();
         void mouseMove(int x, int y);
         void mouseUp();

     protected:
         void paintEvent(QPaintEvent*)
         {
             QPainter p(this);
             QRect r(rect());
             r.adjust(0, 0, -1, -1);

             p.drawRect(r);
             p.drawText(r, Qt::AlignCenter, m_text);
         }

     private:
         QString m_text;
     };

     #include "trivial.moc"

     QTNPFACTORY_BEGIN("Trivial Qt-based Plugin", "A Qt-based LiveConnected plug-in that does nothing")
         QTNPCLASS(Trivial)
     QTNPFACTORY_END()

     #ifdef QAXSERVER
     #include <ActiveQt/QAxFactory>
     QAXFACTORY_BEGIN("{aa3216bf-7e20-482c-84c6-06167bacb616}", "{08538ca5-eb7a-4f24-a3c4-a120c6e04dc4}")
         QAXCLASS(Trivial)
     QAXFACTORY_END()
     #endif