def mouseDoubleClickEvent( self, event ):
QTabBar.mouseDoubleClickEvent( self, event )
index = self.tabAt( event.pos() )
if index < 0:
self.lineEdit.hide()
return
self.currentTab = index
self.lineEdit.show()
self.lineEdit.setGeometry( self.tabRect( index ) )
self.lineEdit.setText( self.tabText( index ) )
self.lineEdit.setFocus()
self.lineEdit.selectAll()
