+ /**
+ * Open the previous URL in the URL history in a new tab
+ * if the middle mouse button is clicked.
+ */
+ void goBack(Qt::MouseButtons buttons);
+
+ /**
+ * Open the next URL in the URL history in a new tab
+ * if the middle mouse button is clicked.
+ */
+ void goForward(Qt::MouseButtons buttons);
+
+ /**
+ * Open the URL one hierarchy above the current URL in a new tab
+ * if the middle mouse button is clicked.
+ */
+ void goUp(Qt::MouseButtons buttons);
+
+ /**
+ * Open the home URL in a new tab
+ */
+ void goHome(Qt::MouseButtons buttons);
+