connect(captionLE, SIGNAL(textChanged(const QString&)), this, SLOT(change_adaptor()));
connect(labelLE, SIGNAL(textChanged(const QString&)), this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()), this, SLOT(change_adaptor()));
connect(captionLE, SIGNAL(textChanged(const QString&)), this, SLOT(change_adaptor()));
connect(labelLE, SIGNAL(textChanged(const QString&)), this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()), this, SLOT(change_adaptor()));