connect(ui.lineEdit, SIGNAL(returnPressed()), this, SLOT(enterPressed()));
connect(this, SIGNAL(inputLine( const QString& )), &core, SLOT(inputLine( const QString& )));
connect(ui.lineEdit, SIGNAL(returnPressed()), this, SLOT(enterPressed()));
connect(this, SIGNAL(inputLine( const QString& )), &core, SLOT(inputLine( const QString& )));