qtforum.de

Code: Alles auswählen

// h - File:

#ifndef SIMPLECALC_H
#define SIMPLECALC_H
#include<QSignalMapper>
#include <QtGui/QWidget>

namespace Ui
{
    class simpleCalcClass;
}
class simpleCalc : public QWidget
{
    Q_OBJECT
public:
    simpleCalc(QWidget *parent = 0);
    ~simpleCalc();
private:
    Ui::simpleCalcClass *ui;


// soweit alles klar, aber jetzt:
// ++++++++++++
public slots:
     void slotButtonClicked(int);
private:
     QSignalMapper *myMapper;
// ++++++++++++

};

#endif // SIMPLECALC_H
// Ende *.h

Code: Alles auswählen

// cpp-File:

#include "simplecalc.h"
#include "ui_simplecalc.h"


simpleCalc::simpleCalc(QWidget *parent)
    : QWidget(parent), ui(new Ui::simpleCalcClass)
{
    ui->setupUi(this);


 // soweit alles klar, aber jetzt:

    QSignalMapper *myMapper = new QSignalMapper(this);
    myMapper->setMapping(ui->btnPlus, 1);
    myMapper->setMapping(ui->btnMinus,2);
    QObject::connect(ui->btnPlus , SIGNAL(clicked()), myMapper, SLOT(map()));
    QObject::connect(ui->btnMinus, SIGNAL(clicked()), myMapper, SLOT(map()));
    QObject::connect(myMapper, SIGNAL(mapped(int)), this,   SLOT(slotButtonClicked(int)));
}



simpleCalc::~simpleCalc()
{
    delete ui;
}

void slotButtonClicked(int a)
{
    ...
}
// Ende

Code: Alles auswählen

Code: Alles auswählen

void slotButtonClicked(int a)
{
    ...
}