[Qt-interest] problem while adding 'Next'button to movieplayer'

[Avishek_Sharma]

Hi everyone,
 I was trying out the movie player given in this link
http://doc.trolltech.com/4.4/widgets-movie.html (The complete code is given there)

I wanted to put a Next  button on it.But,the code for the 'Next 'button isn't working.
It also shows an error when I try to use 'filters' in the second line of code in the function next()

//Error shown is ---
 movieplayer.cpp: in member function 'void Movieplayer::next()'
 movieplayer.cpp:83:error:No matching function for call to 'QDir::entryList(constant char[6])'

I have attached the code for the next button which I wrote.Please check it out and let me know where i need to make changes to make it functional.

void MoviePlayer::next()
{
  QDir direc(currentMovieDirectory);
  QStringList lst=direc.entryList("*.mng");  //error when i use filters in this line
  int res;
  QStringList::Iterator it=lst.begin();
 while( it!= lst.end())
    {
        res= QString::compare(QString(*it),fileName);
        if(res!=0)
          {
            ++it;
          }

        if(res==0)
        {
            it++;
            if(it == lst.end())
            {
                it=lst.begin();
            }

           fileName=QString(*it);
           openFile(fileName);
           break;
        }
    }

}

 changes I made in .h file- added a QString fileName under 'private', QToolButton *nextButton and a slot next() under private slots.

changes made in .cpp- added  in the createButtons() function the folowing code

   //creating Next Button
     nextButton=new QToolButton;
     nextButton->setIcon(QIcon(":/images/next.png"));
     nextButton->setIconSize(iconSize);
     nextButton->setToolTip(tr("Next item"));
     connect(nextButton, SIGNAL(clicked()), this, SLOT(next()));

Any advice/suggestion is welcome.
Thank you.

Avi

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