If I try to edit the .pro file in Creator it just ignores my 'File Open'.
Really ? It opens the .pro for editing when I double click it.
If you really want, you can keep it as one file:
#include <QSettings>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QUrl>
#include <QNetworkRequest>
#include <QObject>
class ClientHandler
: public QObject{
Q_OBJECT
QNetworkAccessManager *manager;
private slots:
void replyFinished(QNetworkReply *);
public:
void CheckSite(void);
~ClientHandler();
};
void ClientHandler::replyFinished(QNetworkReply *reply) { qDebug() << "DONE"; }
ClientHandler::~ClientHandler() {}
void ClientHandler::CheckSite(void)
{
QUrl qrl
("http://checkip.dyndns.org");
manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
manager->get(QNetworkRequest(qrl));
}
int main(int argc, char *argv[])
{
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
}
return 0;
}
#include "moc_main.cpp"
#include <QSettings>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QUrl>
#include <QNetworkRequest>
#include <QObject>
class ClientHandler : public QObject
{
Q_OBJECT
QNetworkAccessManager *manager;
private slots:
void replyFinished(QNetworkReply *);
public:
void CheckSite(void);
~ClientHandler();
};
void ClientHandler::replyFinished(QNetworkReply *reply) { qDebug() << "DONE"; }
ClientHandler::~ClientHandler() {}
void ClientHandler::CheckSite(void)
{
QUrl qrl("http://checkip.dyndns.org");
manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
manager->get(QNetworkRequest(qrl));
}
int main(int argc, char *argv[])
{
QSettings ini("Jean", "ddns");
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
}
return 0;
}
#include "moc_main.cpp"
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in order to get "moc_main.cpp" file you need to run "moc":
moc main.cpp -o moc_main.cpp
moc main.cpp -o moc_main.cpp
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You don't need to add anything in the pro file this way.
And yes, your ClientHandler goes out of scope and is deleted before finishing the network request:
...
c.CheckSite();
} // c goes out of scope here
...
c.CheckSite();
} // c goes out of scope here
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One of possible solutions is to use QCoreApplication:
int main(int argc,char**argv){
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
}
return app.exec();
}
//
void ClientHandler::replyFinished(QNetworkReply *reply) {
qDebug() << "DONE";
qApp->quit();
}
int main(int argc,char**argv){
QCoreApplication app(argc,argv);
QSettings ini("Jean", "ddns");
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
}
return app.exec();
}
//
void ClientHandler::replyFinished(QNetworkReply *reply) {
qDebug() << "DONE";
qApp->quit();
}
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I suppose it would be better to connect to QNetworkReply signals as well, as in example from QNetworkAccessManager docs ,in order to handle errors.
-----
sorry, now i see the wrong code ( c was deleted anyway ), should be something like:
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
app.exec();
}
if (!ini.contains("LastIp"))
{
qDebug() << "no ip";
ClientHandler c;
c.CheckSite();
app.exec();
}
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undefined reference to vtable in class
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