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 | void MaFenetre::convertir()
{
 
 
    if (myLineEdit->text().isEmpty())
    {
        results ->setText("--.--");
        return;
    }
    double valeur=myLineEdit->text().toDouble();
    switch (maListe->currentIndex()) {
    case 0:  dernierIndex= maListe->currentIndex(); results->setNum(c_DegreToFarenheit(valeur)); break;
    case 1:  dernierIndex= maListe->currentIndex(); results->setNum((c_FarenheitToDegre(valeur))); break;
    case 2:  dernierIndex= maListe->currentIndex(); results->setNum(c_MetreToYard(valeur)); break;
    case 3 :  dernierIndex= maListe->currentIndex(); results->setNum(c_YardToMetre(valeur)); break;
    case 4 :  dernierIndex= maListe->currentIndex(); results->setNum(c_KilometreToMileMarin(valeur)); break;
    case 5 :  dernierIndex= maListe->currentIndex(); results->setNum(c_MileMarinToKilometre(valeur));break;
    case 6 :  dernierIndex= maListe->currentIndex();  results->setNum(c_KilometreHToNoeud(valeur)); break;
    case 7 :  dernierIndex= maListe->currentIndex(); results ->setNum(c_NoeudToKilometreH(valeur));  break;}}
 
 
void MaFenetre::permuter(int)
{
    QString myValLabel=results->text();
    double LineEdit=myLineEdit->text().toDouble();
    switch (dernierIndex)
    {
    case 0:
        if (maListe->currentIndex()==1 || maListe->currentIndex()==0)
 
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
            //      myLineEdit->clear();
        }
 
        break;
    case 1:
        if (maListe->currentIndex()==0 || maListe->currentIndex()==1 )
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
            //   myLineEdit->clear();
        }
 
        break;
    case 2:
        if (maListe->currentIndex()==3 || maListe->currentIndex()==2)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
            //   myLineEdit->clear();
        }
 
        break;
    case 3:
        if (maListe->currentIndex()==2 || maListe->currentIndex()==3)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel); }
        else
        {
            results->setText("--.--");
            //   myLineEdit->clear();
        }
 
        break;
    case 4:
        if (maListe->currentIndex()==5 || maListe->currentIndex()==4)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
            // myLineEdit->clear();
        }
 
        break;
    case 5:
        if (maListe->currentIndex()==4 || maListe->currentIndex()==5)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);
        }
        else
        {
            results->setText("--.--");
            //   myLineEdit->clear();
        }
 
        break;
    case 6:
        if (maListe->currentIndex()==7 || maListe->currentIndex()==6)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
 
            //    myLineEdit->clear();
        }
 
        break;
    case 7:
        if (maListe->currentIndex()==6 || maListe->currentIndex()==7)
        {
            results->setNum(LineEdit);
            myLineEdit->setText(myValLabel);}
        else
        {
            results->setText("--.--");
            //     myLineEdit->clear();
        }
        break;
    }
 
} | 
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