main.cpp Example File

activeqt/comapp/main.cpp
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#include <QApplication> #include <QAxFactory> #include <QTabWidget> #include <QScopedPointer> #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: explicit Document(DocumentList *list); virtual ~Document(); Application *application() const; QString title() const; void setTitle(const QString &title); private: QScopedPointer <QWidget> m_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: explicit DocumentList(Application *application); int count() const; Application *application() const; public slots: Document *addDocument(); Document *item(int index) const; private: QList<Document *> m_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: explicit Application(QObject *parent = nullptr); DocumentList *documents() const; QString id() const { return objectName(); } void setVisible(bool on); bool isVisible() const; QTabWidget *window() const { return m_ui.data(); } public slots: void quit(); private: QScopedPointer <DocumentList> m_docs; QScopedPointer <QTabWidget> m_ui; }; Document::Document(DocumentList *list) : QObject(list) { QTabWidget *tabs = list->application()->window(); m_page.reset(new QWidget(tabs)); m_page->setWindowTitle(tr("Unnamed")); tabs->addTab(m_page.data(), m_page->windowTitle()); m_page->show(); } Document::~Document() { } Application *Document::application() const { return qobject_cast<DocumentList *>(parent())->application(); } QString Document::title() const { return m_page->windowTitle(); } void Document::setTitle(const QString &t) { m_page->setWindowTitle(t); QTabWidget *tabs = application()->window(); int index = tabs->indexOf(m_page.data()); tabs->setTabText(index, m_page->windowTitle()); } DocumentList::DocumentList(Application *application) : QObject(application) { } Application *DocumentList::application() const { return qobject_cast<Application *>(parent()); } int DocumentList::count() const { return m_list.count(); } Document *DocumentList::item(int index) const { return m_list.value(index, nullptr); } Document *DocumentList::addDocument() { Document *document = new Document(this); m_list.append(document); return document; } Application::Application(QObject *parent) : QObject(parent), m_ui(new QTabWidget), m_docs(new DocumentList(this)) { setObjectName(QStringLiteral("From QAxFactory")); } DocumentList *Application::documents() const { return m_docs.data(); } void Application::setVisible(bool on) { m_ui->setVisible(on); } bool Application::isVisible() const { return m_ui->isVisible(); } void Application::quit() { m_docs.reset(); m_ui.reset(); QTimer::singleShot(0 /*ms*/, qApp, &QCoreApplication::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::setAttribute(Qt::AA_EnableHighDpiScaling); 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; appobject.setObjectName(QStringLiteral("From Application")); QAxFactory::startServer(); QAxFactory::registerActiveObject(&appobject); appobject.window()->setMinimumSize(300, 100); appobject.setVisible(true); QObject::connect(&app, &QGuiApplication::lastWindowClosed, &appobject, &Application::quit); return app.exec(); }