block.hpp Example File

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    #ifndef BLOCK_HPP
    #define BLOCK_HPP

    #include <bb/cascades/Color>

    #include <QtCore/QMetaType>
    #include <QtCore/QRect>

    /**
     * The Block class is the custom type in this example that is used as
     * parameter type in a signal/slot connection.
     * It represents a rectangular area of a certain color.
     */
    class Block
    {
    public:
        Block();
        Block(const Block &other);
        ~Block();

        Block(const QRect &rect, const bb::cascades::Color &color);

        bb::cascades::Color color() const;
        QRect rect() const;

    private:
        QRect m_rect;
        bb::cascades::Color m_color;
    };

    /**
     * The Q_DECLARE_METATYPE macro is the important part here.
     * It makes our custom Block class known to the Qt meta type system.
     * That allows us to store a Block object inside a QVariant.
     */
    Q_DECLARE_METATYPE (Block);

    #endif