Program Crashing because of Singal [need help!]

[ChrisW67]

//slots
void QSS::fechar()
{
this->~QSplashScreen();
emit fechou();
}

//slots
void QSS::fechar()
{
this->~QSplashScreen();
emit fechou();
}

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You are destroying the QSplashScreen underpinning your derived QSS splash screen and then trying to use the object. It is hardly surprising this crashes. I don't know of any circumstance under which you would call a destructor directly.

Take nix's advice including the Qt::WA_DeleteOnClose flag to avoid the resource leak you have at the moment (or put it on the stack). You are also leaking memory by allocating a QTimer on the heap, not setting a parent, and then discarding the pointer to it. No need to create a timer explicitly. Just use the QTimer::singleShot() static function.

[21altf]

Thanks for the tip!

Both advices where very good and it does just what is meant too.

And sorry, I didn't know how to use code tag... I'll learn for next time.

#THIS IS ME EDITING THIS POST. Searched and now its good to go with the CodeTag. Thanks!

--QSS.h--
#ifndef QSS_H
#define QSS_H
#include <QSplashScreen>
#include <QTimer>
#include <QWidget>
#include <QObject>
#include <QtGui>
 
class QMainWindow;
 
class QSS: public QSplashScreen {
 
Q_OBJECT
 
public:
explicit QSS(QSplashScreen *parent = 0);
void criarTimer();
 
public slots:
void fechar();
 
signals:
void fechou();
};
 
#endif // QSS_H

--QSS.h--
#ifndef QSS_H
#define QSS_H
#include <QSplashScreen>
#include <QTimer>
#include <QWidget>
#include <QObject>
#include <QtGui>

class QMainWindow;

class QSS: public QSplashScreen {

Q_OBJECT

public:
explicit QSS(QSplashScreen *parent = 0);
void criarTimer();

public slots:
void fechar();

signals:
void fechou();
};

#endif // QSS_H

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