[QT] Interface de calcul proche de Matlab

#include <QtGui>
#include <QLineEdit>
#include <QString>

#include "calculpad.h"

Window::Window()
{
    QGroupBox *Groupe = new QGroupBox(tr("Calcul"));

    LineEdit = new QLineEdit;
    LineEdit->setFocus();

    connect(LineEdit, SIGNAL(editingFinished()), qApp, SLOT(quit()));

    QGridLayout *Layout = new QGridLayout;
    Layout->addWidget(LineEdit, 1, 0, 1, 2);
    QGridLayout *layout = new QGridLayout;
    layout->addWidget(Groupe, 1, 0, 2, 4);

    Groupe->setLayout(Layout);
    setLayout(layout);

    setWindowTitle(tr("CalculPad"));
}

#ifndef CALCULPAD_H 
#define CALCULPAD_H

#include <QWidget>

class QLineEdit;

class Window: public QWidget
{
    Q_OBJECT

public:
    Window();

private:
    QLineEdit *LineEdit;
    QString str;
};

#endif

#include <QApplication>

#include "calculpad.h"

int main(int argc, char *argv[])
{
    QApplication app (argc, argv);

    Window Window;
    Window.show();

    return app.exec();
}