main.cpp Example File

activeqt/comapp/main.cpp
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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****************************************************************************/

#include <QApplication>
#include <QAxFactory>
#include <QTabWidget>
#include <QTimer>

class Application;
class DocumentList;

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;
};

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;
};

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;
};

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());
}

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;
}

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"

QAXFACTORY_BEGIN("{edd3e836-f537-4c6f-be7d-6014c155cc7a}", "{b7da3de8-83bb-4bbe-9ab7-99a05819e201}")
   QAXCLASS(Application)
   QAXTYPE(Document)
   QAXTYPE(DocumentList)
QAXFACTORY_END()

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();
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.