ISO C++ forbids declaration of..
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  1. #1
    Join Date
    Apr 2011
    Posts
    4

    ISO C++ forbids declaration of..

    Hi, i'm doing an application with Qt/OpenGL and i have some problems with auxiliar functions to open files in Qt.

    I receive these errors:

    ISO C++ forbids declaration of "open" with no type
    ISO C++ forbids declaration of "loadFile" with no type

  2. #2
    Join Date
    Apr 2011
    Posts
    4

    Re: ISO C++ forbids declaration of..

    Sorry, error typing, i've not finished the text already ^^

    You can see here the code of each function:

    MenuPrincipal:pen()
    {
    QString fileName = QFileDialog::getOpenFileName(this);
    if (!fileName.isEmpty())
    loadFile(fileName);
    return 0;
    }

    MenuPrincipal::loadFile(const QString &fileName)
    {
    QFile file(fileName);
    if (!file.open(QFile::ReadOnly | QFile::Text)) {
    QMessageBox::warning(this, tr("Application"),
    tr("Cannot read file %1:\n%2.")
    .arg(fileName)
    .arg(file.errorString()));
    return 0;
    }

    QApplication::setOverrideCursor(Qt::WaitCursor);
    QApplication::restoreOverrideCursor();

    setCurrentFile(fileName);
    return 0;

    }

    and the code in the header:

    private slots:
    int open();
    private:
    int loadFile(const QString &fileName);

  3. #3
    ovidiucucu's Avatar
    ovidiucucu is offline Moderator/Reviewer Power Poster
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    Re: ISO C++ forbids declaration of..

    [ Moved thread ]

  4. #4
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    Re: ISO C++ forbids declaration of..

    Just add the int that you have in your header file declarations to the function header introducing the function implementation as well. That's the simple truth this error message is telling you.

    Please use code tags when posting code.
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  5. #5
    GCDEF is offline Elite Member Power Poster
    Join Date
    Nov 2003
    Posts
    12,050

    Re: ISO C++ forbids declaration of..

    Seriously, you can't put this
    ISO C++ forbids declaration of "loadFile" with no type

    and this
    MenuPrincipal::loadFile(const QString &fileName)

    together and figure out what you did wrong?

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