qt linux 发送事件

#include <QCoreApplication>
#include <QEvent>
#include <QObject>

// 定义一个自定义事件类型
class MyCustomEvent : public QEvent {
public:
    static const QEvent::Type EventType;
    MyCustomEvent() : QEvent(EventType) {}
};

const QEvent::Type MyCustomEvent::EventType = static_cast<QEvent::Type>(QEvent::User + 1);

// 定义一个接收事件的类
class EventReceiver : public QObject {
protected:
    bool event(QEvent *event) override {
        if (event->type() == MyCustomEvent::EventType) {
            qDebug() << "MyCustomEvent received!";
            return true;
        }
        return QObject::event(event);
    }
};

int main(int argc, char *argv[]) {
    QCoreApplication app(argc, argv);

    EventReceiver receiver;
    QCoreApplication::sendEvent(&receiver, new MyCustomEvent());

    return app.exec();
}