+ inline QString topic() const { return ui.topicLineEdit->text(); }
+ void setTopic(const QString &newtopic);
+
+ virtual bool eventFilter(QObject *obj, QEvent *event);
+
+signals:
+ void topicChanged(const QString &text);
+
+private slots:
+ void on_topicLineEdit_returnPressed();
+ void on_topicButton_clicked();
+ void switchEditable();
+ void switchPlain();