#ifndef CQTEXTEDIT_H #define CQTEXTEDIT_H #include class CQTextEdit : public QTextEdit { Q_OBJECT public: explicit CQTextEdit(QWidget *parent = 0); void focusInEvent(QFocusEvent *event); //覆盖这两个函数 void focusOutEvent(QFocusEvent *event); signals: void GetFocus(); //获得焦点信号 void LostFocus(const QString &); //失去焦点信号 }; #endif // CQTEXTEDIT_H