QSignalMapper question

[Arend]

No void clicked(const QString &text) is defined as a signal

#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QtGui/QMainWindow>
#include <QtGui>
#include <QGridLayout>
#include <QSignalMapper>
 
namespace Ui {
    class MainWindow;
}
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
 
signals:
     void clicked(const QString &text);
 
protected:
    void changeEvent(QEvent *e);
 
private:
    Ui::MainWindow *ui;
    QPushButton *theButton;
    QGridLayout *theLayout;
    QSignalMapper *theMapper;
};
 
#endif // MAINWINDOW_H

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtGui/QMainWindow>
#include <QtGui>
#include <QGridLayout>
#include <QSignalMapper>

namespace Ui {
    class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

signals:
     void clicked(const QString &text);

protected:
    void changeEvent(QEvent *e);

private:
    Ui::MainWindow *ui;
    QPushButton *theButton;
    QGridLayout *theLayout;
    QSignalMapper *theMapper;
};

#endif // MAINWINDOW_H

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