MoveCommand.hpp Example File

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    #ifndef MOVECOMMAND_HPP
    #define MOVECOMMAND_HPP

    #include <QUndoCommand>
    #include <bb/cascades/Control>

    /**
     *  The MoveCommand represents on move action. It inherits from QUndoCommand
     *  and reimplements the two virtual methods redo() and undo(). These two methods will
     *  be called by the QUndoStack whenever the user requested to undo or redo some action.
     */
    class MoveCommand : public QUndoCommand
    {
    public:
        // Pass all parameters that the command need to fulfill its task in the constructor
        MoveCommand(bb::cascades::Control *control, const QPoint &source, const QPoint &target, QUndoCommand *parent = 0);

        virtual void redo();
        virtual void undo();

    private:
        // The (Stone) control that should be moved
        bb::cascades::Control *m_control;

        // The start and end point of the move operation in local coordinates
        QPoint m_sourcePoint;
        QPoint m_targetPoint;
    };

    #endif