继承链情况:
QApplication:QGuiApplication:QCoreApplication
在QApplication中对notify有了重新实现。
例如:
QCoreApplication::sendEvent(QWidget*widget,QEvent*e)
调用QApplication的notify
QCoreApplication::sendEvent(Qwinodw*window,QEvent*e)
会调用基类QCoreApplication的notify
具体调用时序:
inlineboolQCoreApplication::sendEvent(QObject*receiver,QEvent*event)
boolQCoreApplication::notifyInternal(QObject*receiver,QEvent*event)
|---------------------------boolQCoreApplication::notify(QObject*receiver,QEvent*event)
|--------------------------boolQApplication::notify(QObject*receiver,QEvent*e)
注明:版本Qt5.3
QWindow位于src/gui
Qwidget位于src/widget
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