// 设置默认工具栏
bool CustomToolDialog::eventFilter(QObject *obj, QEvent *event)
{
    if (obj == defaultTool) {
        if (event->type() == QEvent::MouseButtonPress) {

            int ret = QMessageBox::question(this, "",
                                            tr("Are you sure that set the toolbar to default status"),
                                            QMessageBox::Yes, QMessageBox::No);
            if(ret == QMessageBox::Yes){
                Preferences* p = Preferences::instance();
                QStringList defaultselitems = p->getDefaultToolbarItemList();
                QStringList defaultWaititems = p->getDefaultWaitToolbarItemList();

                p->setSelToolbarItemList(defaultselitems);
                p->setWaitToolbarItemList(defaultWaititems);
                update = true;
                this->close();
            }
            if(ret == QMessageBox::No){
                return false;
            }
            return true;
        } else {
            return false;
        }
    } else {
        // pass the event on to the parent class
        return CustomToolDialog::eventFilter(obj, event);
    }
}