我需要为 Qt 应用程序创建几个自定义事件类。
现在,看起来我需要为每个事件类实现以下事件类型注册代码:
class MyEvent : public QEvent
{
public:
MyEvent() : QEvent(registeredType())
{
}
static QEvent::Type eventType;
private:
static QEvent::Type registeredType();
}
QEvent::Type MyEvent::eventType = QEvent::None;
QEvent::Type MyEvent::registeredType()
{
if (eventType == QEvent::None)
{
int generatedType = QEvent::registerEventType();
eventType = static_cast<QEvent::Type>(generatedType);
}
return eventType;
}
关于如何简化它或至少用宏隐藏它的任何建议?