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我有一个界面MyInterface

class MyInterface
{

public:
    virtual ~MyInterface() {}

    virtual QMap<QString, QString> *inputsMap() const = 0;
};

我有一个类MyImplementingClass实现MyInterface. 但是,我无法从以下位置获取文本QLineEdit *fullNames

QLineEdit *fullNames = new QLineEdit();

QMap<QString, QString> *MyImplementingClass::inputsMap() const
{
    QMap<QString, QString> *map = new QMap<QString, QString>();
    map -> insert("fullNames", this -> fullNames -> text());
    map -> insert("coolText", "This works OK");
    return map;
}

ImplementorsCollector是我收集所有实现插件的地方MyInterface

void ImplementorsCollector :: initImplementors(QObject *plugin)
{
    MyInterface *iMyInterface = qobject_cast<MyInterface *>(plugin);
    if (iMyInterface)
        myObject = iMyInterface -> inputsMap();
}

但是,仍然在ImplementorsCollector

/* This prints nothing. Nothing gets passed from **QLineEdit *fullNames** */

if (myObject -> contains("fullNames"))
qDebug() << "fullNames : " << myObject -> value("fullNames");

/* This prints OK */

if (myObject -> contains("coolText"))
qDebug() << "coolText : " << myObject -> value("coolText");

如何**QLineEdit *fullNames**从不同的插件获取文本输入?

谢谢大家。

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