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#include <QApplication>

#include <QAxFactory>

#include <QTabWidget>

#include <QTimer>

class Application;

class DocumentList;

//! [0]

class Document : public QObject

{

    Q_OBJECT

    Q_CLASSINFO("ClassID", "{2b5775cd-72c2-43da-bc3b-b0e8d1e1c4f7}")

    Q_CLASSINFO("InterfaceID", "{2ce1761e-07a3-415c-bd11-0eab2c7283de}")

    Q_PROPERTY(Application *application READ application)

    Q_PROPERTY(QString title READ title WRITE setTitle)

public:

    Document(DocumentList *list);

    ~Document();

    Application *application() const;

    QString title() const;

    void setTitle(const QString &title);

private:

    QWidget *page;

};

//! [0]

//! [1]

class DocumentList : public QObject

{

    Q_OBJECT

    Q_CLASSINFO("ClassID", "{496b761d-924b-4554-a18a-8f3704d2a9a6}")

    Q_CLASSINFO("InterfaceID", "{6c9e30e8-3ff6-4e6a-9edc-d219d074a148}")

    Q_PROPERTY(Application* application READ application)

    Q_PROPERTY(int count READ count)

public:

    DocumentList(Application *application);

    int count() const;

    Application *application() const;

public slots:

    Document *addDocument();

    Document *item(int index) const;

private:

    QList<Document*> list;

};

//! [1]

//! [2]

class Application : public QObject

{

    Q_OBJECT

    Q_CLASSINFO("ClassID", "{b50a71db-c4a7-4551-8d14-49983566afee}")

    Q_CLASSINFO("InterfaceID", "{4a427759-16ef-4ed8-be79-59ffe5789042}")

    Q_CLASSINFO("RegisterObject", "yes")

    Q_PROPERTY(DocumentList* documents READ documents)

    Q_PROPERTY(QString id READ id)

    Q_PROPERTY(bool visible READ isVisible WRITE setVisible)

public:

    Application(QObject *parent = 0);

    DocumentList *documents() const;

    QString id() const { return objectName(); }

    void setVisible(bool on);

    bool isVisible() const;

    QTabWidget *window() const { return ui; }

public slots:

    void quit();

private:

    DocumentList *docs;

    QTabWidget *ui;

};

//! [2]

//! [3]

Document::Document(DocumentList *list)

: QObject(list)

{

    QTabWidget *tabs = list->application()->window();

    page = new QWidget(tabs);

    page->setWindowTitle("Unnamed");

    tabs->addTab(page, page->windowTitle());

    page->show();

}

Document::~Document()

{

    delete page;

}

Application *Document::application() const

{

    return qobject_cast<DocumentList*>(parent())->application();

}

QString Document::title() const

{

    return page->windowTitle();

}

void Document::setTitle(const QString &t)

{

    page->setWindowTitle(t);

    QTabWidget *tabs = application()->window();

    int index = tabs->indexOf(page);

    tabs->setTabText(index, page->windowTitle());

}

//! [3] //! [4]

DocumentList::DocumentList(Application *application)

: QObject(application)

{

}

Application *DocumentList::application() const

{

    return qobject_cast<Application*>(parent());

}

int DocumentList::count() const

{

    return list.count();

}

Document *DocumentList::item(int index) const

{

    if (index >= list.count())

        return 0;

    return list.at(index);

}

Document *DocumentList::addDocument()

{

    Document *document = new Document(this);

    list.append(document);

    return document;

}

//! [4] //! [5]

Application::Application(QObject *parent)

: QObject(parent), ui(0)

{

    ui = new QTabWidget;

    setObjectName("From QAxFactory");

    docs = new DocumentList(this);

}

DocumentList *Application::documents() const

{

    return docs;

}

void Application::setVisible(bool on)

{

    ui->setShown(on);

}

bool Application::isVisible() const

{

    return ui->isVisible();

}

void Application::quit()

{

    delete docs;

    docs = 0;

    delete ui;

    ui = 0;

    QTimer::singleShot(0, qApp, SLOT(quit()));

}

#include "main.moc"

//! [5] //! [6]

QAXFACTORY_BEGIN("{edd3e836-f537-4c6f-be7d-6014c155cc7a}", "{b7da3de8-83bb-4bbe-9ab7-99a05819e201}")

   QAXCLASS(Application)

   QAXTYPE(Document)

   QAXTYPE(DocumentList)

QAXFACTORY_END()

//! [6] //! [7]

int main(int argc, char **argv)

{

    QApplication app(argc, argv);

    app.setQuitOnLastWindowClosed(false);

    // started by COM - don't do anything

    if (QAxFactory::isServer())

        return app.exec();

    // started by user

    Application appobject(0);

    appobject.setObjectName("From Application");

    QAxFactory::startServer();

    QAxFactory::registerActiveObject(&appobject);

    appobject.setVisible(true);

    QObject::connect(qApp, SIGNAL(lastWindowClosed()), &appobject, SLOT(quit()));

    return app.exec();

}

//! [7]