+ connectButton->setEnabled(Client::coreConnection()->state() == CoreConnection::Disconnected);
+
+ connect(Client::coreConnection(), &CoreConnection::stateChanged, [connectButton](CoreConnection::ConnectionState state){
+ if (state == CoreConnection::Disconnected) {
+ connectButton->setEnabled(true);
+ } else {
+ connectButton->setDisabled(true);
+ }
+ });