main.cpp Example File

  /****************************************************************************
  **
  ** 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.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #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->setVisible(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(&app, &QGuiApplication::lastWindowClosed, &appobject, &Application::quit);

      return app.exec();
  }