Qt 4.8: objects.h Example File (activeqt/hierarchy/objects.h)

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# objects.h Example File

activeqt/hierarchy/objects.h

     /****************************************************************************
     **
     ** 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,
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     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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     ** $QT_END_LICENSE$
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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