Qt 5.8 | Qt QML | Extending QML - Signal Support Example | person.h Example File

Qt 5.8.0 Reference Documentation

# person.h Example File

referenceexamples/signal/person.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,
      ** 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."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/
      #ifndef PERSON_H
      #define PERSON_H

      #include <QObject>
      #include <QColor>

      class ShoeDescription : public QObject
      {
          Q_OBJECT
          Q_PROPERTY(int size READ size WRITE setSize)
          Q_PROPERTY(QColor color READ color WRITE setColor)
          Q_PROPERTY(QString brand READ brand WRITE setBrand)
          Q_PROPERTY(qreal price READ price WRITE setPrice)
      public:
          ShoeDescription(QObject *parent = 0);

          int size() const;
          void setSize(int);

          QColor color() const;
          void setColor(const QColor &);

          QString brand() const;
          void setBrand(const QString &);

          qreal price() const;
          void setPrice(qreal);
      private:
          int m_size;
          QColor m_color;
          QString m_brand;
          qreal m_price;
      };

      class Person : public QObject
      {
          Q_OBJECT
          Q_PROPERTY(QString name READ name WRITE setName)
          Q_PROPERTY(ShoeDescription *shoe READ shoe)
      public:
          Person(QObject *parent = 0);

          QString name() const;
          void setName(const QString &);

          ShoeDescription *shoe();
      private:
          QString m_name;
          ShoeDescription m_shoe;
      };

      class Boy : public Person
      {
          Q_OBJECT
      public:
          Boy(QObject * parent = 0);
      };

      class Girl : public Person
      {
          Q_OBJECT
      public:
          Girl(QObject * parent = 0);
      };

      #endif // PERSON_H