QLineEdit problem (Jambi)

[wysota]

Why not do something like this?

connect(serverAddress, SIGNAL(textChanged(const QString &)), this, SLOT(check(const QString &)));
void myClass::check(const QString &str){
  button->setEnabled(!str.isEmpty());
}

connect(serverAddress, SIGNAL(textChanged(const QString &)), this, SLOT(check(const QString &)));
void myClass::check(const QString &str){
  button->setEnabled(!str.isEmpty());
}

To copy to clipboard, switch view to plain text mode 

It's C++ code, but it's very simple so you should have no trouble translating it to Java. Oh, and check() has to be a slot, of course.