Text box and list box connectivity

[Rekha]

no its not wkg..
i will add code what i had written again 4m starting
/////////////////code/////////////////

class Ui_Dialog
{
public:
    QWidget *layoutWidget;
    QHBoxLayout *hboxLayout;
    QPushButton *exit;
    QTextEdit *text2;
    QListWidget *list1;
    QTextEdit *text1;
    QPushButton *enter;
 
    void setupUi(QDialog *Dialog)
    {
    Dialog->setObjectName(QString::fromUtf8("Dialog"));
    Dialog->resize(QSize(552, 555).expandedTo(Dialog->minimumSizeHint()));
    layoutWidget = new QWidget(Dialog);
    layoutWidget->setObjectName(QString::fromUtf8("layoutWidget"));
    layoutWidget->setGeometry(QRect(20, 430, 351, 38));
    hboxLayout = new QHBoxLayout(layoutWidget);
    hboxLayout->setSpacing(6);
    hboxLayout->setMargin(0);
    hboxLayout->setObjectName(QString::fromUtf8("hboxLayout"));
    exit = new QPushButton(layoutWidget);
    exit->setObjectName(QString::fromUtf8("exit"));
 
    hboxLayout->addWidget(exit);
 
    text2 = new QTextEdit(Dialog);
    text2->setObjectName(QString::fromUtf8("text2"));
    text2->setGeometry(QRect(60, 220, 104, 52));
    list1 = new QListWidget(Dialog);
    list1->setObjectName(QString::fromUtf8("list1"));
    list1->setGeometry(QRect(380, 90, 120, 80));
    text1 = new QTextEdit(Dialog);
    text1->setObjectName(QString::fromUtf8("text1"));
    text1->setGeometry(QRect(60, 80, 104, 52));
    enter = new QPushButton(Dialog);
    enter->setObjectName(QString::fromUtf8("enter"));
    enter->setGeometry(QRect(210, 90, 108, 36));
    QWidget::setTabOrder(text1, enter);
    QWidget::setTabOrder(enter, list1);
    QWidget::setTabOrder(list1, text2);
    QWidget::setTabOrder(text2, exit);
    retranslateUi(Dialog);
    QObject::connect(exit, SIGNAL(clicked()), Dialog, SLOT(reject()));
    QObject::connect(enter, SIGNAL(clicked()), list1, SLOT(show()));
    QObject::connect(list1, SIGNAL(itemDoubleClicked(QListWidgetItem*)), text2, SLOT(copy()));
 
    QMetaObject::connectSlotsByName(Dialog);
    } // setupUi
 
    void retranslateUi(QDialog *Dialog)
    {
    Dialog->setWindowTitle(QApplication::translate("Dialog", "Dialog", 0, QApplication::UnicodeUTF8));
    exit->setText(QApplication::translate("Dialog", "Exit", 0, QApplication::UnicodeUTF8));
    enter->setText(QApplication::translate("Dialog", "Enter", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(Dialog);
    } // retranslateUi
 
    void show()
   { 
      QTextLength str1;
      QTextStream str,str2;
      str=text1.text();
      str1=length(str);
      list1.addItem(text1.toPlainText());
      for(int i=0;i<str1;i++)
       {
 
           str2=insertText(list1.at(i));
 
             i++; 
       }
       display->setText(display->text()+str2);      
    }
 
 
};

class Ui_Dialog
{
public:
    QWidget *layoutWidget;
    QHBoxLayout *hboxLayout;
    QPushButton *exit;
    QTextEdit *text2;
    QListWidget *list1;
    QTextEdit *text1;
    QPushButton *enter;

    void setupUi(QDialog *Dialog)
    {
    Dialog->setObjectName(QString::fromUtf8("Dialog"));
    Dialog->resize(QSize(552, 555).expandedTo(Dialog->minimumSizeHint()));
    layoutWidget = new QWidget(Dialog);
    layoutWidget->setObjectName(QString::fromUtf8("layoutWidget"));
    layoutWidget->setGeometry(QRect(20, 430, 351, 38));
    hboxLayout = new QHBoxLayout(layoutWidget);
    hboxLayout->setSpacing(6);
    hboxLayout->setMargin(0);
    hboxLayout->setObjectName(QString::fromUtf8("hboxLayout"));
    exit = new QPushButton(layoutWidget);
    exit->setObjectName(QString::fromUtf8("exit"));

    hboxLayout->addWidget(exit);

    text2 = new QTextEdit(Dialog);
    text2->setObjectName(QString::fromUtf8("text2"));
    text2->setGeometry(QRect(60, 220, 104, 52));
    list1 = new QListWidget(Dialog);
    list1->setObjectName(QString::fromUtf8("list1"));
    list1->setGeometry(QRect(380, 90, 120, 80));
    text1 = new QTextEdit(Dialog);
    text1->setObjectName(QString::fromUtf8("text1"));
    text1->setGeometry(QRect(60, 80, 104, 52));
    enter = new QPushButton(Dialog);
    enter->setObjectName(QString::fromUtf8("enter"));
    enter->setGeometry(QRect(210, 90, 108, 36));
    QWidget::setTabOrder(text1, enter);
    QWidget::setTabOrder(enter, list1);
    QWidget::setTabOrder(list1, text2);
    QWidget::setTabOrder(text2, exit);
    retranslateUi(Dialog);
    QObject::connect(exit, SIGNAL(clicked()), Dialog, SLOT(reject()));
    QObject::connect(enter, SIGNAL(clicked()), list1, SLOT(show()));
    QObject::connect(list1, SIGNAL(itemDoubleClicked(QListWidgetItem*)), text2, SLOT(copy()));
    
    QMetaObject::connectSlotsByName(Dialog);
    } // setupUi

    void retranslateUi(QDialog *Dialog)
    {
    Dialog->setWindowTitle(QApplication::translate("Dialog", "Dialog", 0, QApplication::UnicodeUTF8));
    exit->setText(QApplication::translate("Dialog", "Exit", 0, QApplication::UnicodeUTF8));
    enter->setText(QApplication::translate("Dialog", "Enter", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(Dialog);
    } // retranslateUi
   
    void show()
   { 
      QTextLength str1;
      QTextStream str,str2;
      str=text1.text();
      str1=length(str);
      list1.addItem(text1.toPlainText());
      for(int i=0;i<str1;i++)
       {
 
           str2=insertText(list1.at(i));
            
             i++; 
       }
       display->setText(display->text()+str2);      
    }


};

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The problem is in void show() ;