QString s = ui->lineEdit->text();
QUrl u(s);
if (u.scheme().isEmpty())
u.setScheme("http");
if (u.isValid()) {
ui->statusBar->showMessage(u.toString());
ui->webView->setUrl(u);
} else {
QString err("Wrong address: %1 (%2)");
ui->statusBar->showMessage(
err.arg(u.toString(), s));
}