[Qt-interest] How to use QEvent::registerEventType properly

[Brian McKinnon]

I'm building my own custom event and I want to just put this out there to
see if anyone is offended by the way I use the registerEventType function
(since I can't find any specific info on how to use it).  I think it make
sense... but I've never casted a new value into a predefined enum... and I
fear change.

ShapeAnimationEvent.h:

#ifndef SHAPE_ANIMATION_EVENT_H
#define SHAPE_ANIMATION_EVENT_H

#include <QEvent>
#include <QVariant>

class ShapeAnimationEvent : public QEvent
{
public:
    static const QEvent::Type JUMP_TO_TIME;

    ShapeAnimationEvent(QEvent::Type type, QVariant data);
    QVariant data() const;

private:
    QVariant m_data;

};

#endif

ShapeAnimationEvent.cpp:

#include "ShapeAnimationEvent.h"

const QEvent::Type ShapeAnimationEvent::JUMP_TO_TIME =
(QEvent::Type)QEvent::registerEventType();

ShapeAnimationEvent::ShapeAnimationEvent(QEvent::Type type, QVariant data) :
QEvent(type), m_data(data)
{

}

QVariant ShapeAnimationEvent::data() const
{
    return m_data;
}

Thanks,
Brian!
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