Qt 窗体焦点问题

void setWidgetFocusPolicy(QWidget *widget, Qt::FocusPolicy policy)

{

    foreach(QObject *child, widget->children())

    {

        if(QWidget *childW = qobject_cast<QWidget*>(child))

            setWidgetFocusPolicy(childW, policy);

    }

    widget->setFocusPolicy(policy);

}

 

void setWidgetFocusProxy(QWidget *widget, QWidget *proxy)

{

    foreach(QObject *child, widget->children())

    {

        if(QWidget *childW = qobject_cast<QWidget*>(child))

            setWidgetFocusProxy(childW, proxy);

    }

    widget->setFocusProxy(proxy);

}