def mousePressEvent(self, evt):
"""
Protected method called by a mouse press event.
@param evt reference to the mouse event (QMouseEvent)
"""
if evt.button() == Qt.XButton1:
self.__mw.currentBrowser().pageAction(QWebPage.Back).trigger()
elif evt.button() == Qt.XButton2:
self.__mw.currentBrowser().pageAction(QWebPage.Forward).trigger()
else:
E4LineEdit.mousePressEvent(self, evt)
