Russian Qt Forum

Here's the definition of a simple custom widget that has a single
signal, \c clicked(), which is emitted with the text of the button
that was clicked:

\snippet doc/src/snippets/qsignalmapper/buttonwidget.h 0
\snippet doc/src/snippets/qsignalmapper/buttonwidget.h 1

//! [0]
class ButtonWidget : public QWidget
{
    Q_OBJECT

public:
    ButtonWidget(QStringList texts, QWidget *parent = 0);

signals:
    void clicked(const QString &text);

private:
    QSignalMapper *signalMapper;
//! [0] //! [1]
};
//! [1]

snippet{3}="\dontinclude \1\n\skipline /*! [\2]\n\until /*! [\2]\n\skipline /*! [\3]\n\until /*! [\3]\n"

\snippet{signalmapper/someobject.h,0,1}

#ifndef _SOMEOBJECT_H_
#define _SOMEOBJECT_H_

#include <QObject>

/*! [0] */
class SomeObject : public QObject {
	Q_OBJECT
public:
	SomeObject(QObject *parent):QObject(parent) {}

signals:
	void firstSignal();
	void secondSignal();
/*! [0] */

public slots:
	void emitFirstSignal();
	void emitSecondSignal();
};/*! [1] */

#endif

class SomeObject : public QObject {
        Q_OBJECT
public:
        SomeObject(QObject *parent):QObject(parent) {}

signals:
        void firstSignal();
        void secondSignal();
};