objects.h Example File

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  #ifndef OBJECTS_H
  #define OBJECTS_H

  #include <QWidget>

  class QVBoxLayout;

  class QSubWidget;

  class QParentWidget : public QWidget
  {
      Q_OBJECT
      Q_CLASSINFO("ClassID", "{d574a747-8016-46db-a07c-b2b4854ee75c}");
      Q_CLASSINFO("InterfaceID", "{4a30719d-d9c2-4659-9d16-67378209f822}");
      Q_CLASSINFO("EventsID", "{4a30719d-d9c2-4659-9d16-67378209f823}");
  public:
      QParentWidget(QWidget *parent = 0);

      QSize sizeHint() const;

  public slots:
      void createSubWidget( const QString &name );

      QSubWidget *subWidget( const QString &name );

  private:
      QVBoxLayout *vbox;
  };

  class QSubWidget : public QWidget
  {
      Q_OBJECT
      Q_PROPERTY( QString label READ label WRITE setLabel )

      Q_CLASSINFO("ClassID", "{850652f4-8f71-4f69-b745-bce241ccdc30}");
      Q_CLASSINFO("InterfaceID", "{2d76cc2f-3488-417a-83d6-debff88b3c3f}");
      Q_CLASSINFO("ToSuperClass", "QSubWidget");

  public:
      QSubWidget(QWidget *parent = 0, const QString &name = QString());

      void setLabel( const QString &text );
      QString label() const;

      QSize sizeHint() const;

  protected:
      void paintEvent( QPaintEvent *e );

  private:
      QString lbl;
  };

  #endif // OBJECTS_H