S4.L1.Main

#include <QWidget>
#include <QLabel>
#include <QPushButton>
#include <QGridLayout>
#include <QLineEdit>
#include <QApplication>
#include "proc.h"

int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    QWidget wgt_1;
    QWidget wgt_2;
    Proc obj;

    QLabel* lbl_1 = new QLabel("Input value");
    QLabel* lbl_2 = new QLabel("Results:");
    QLabel* lbl_3 = new QLabel();
    QLabel* lbl_4 = new QLabel();
    QLabel* lbl_5 = new QLabel("Z1=");
    QLabel* lbl_6 = new QLabel("Z2=");
    QLabel* lbl_7 = new QLabel("A=");

    QLineEdit* lEd_1 = new QLineEdit;

    QPushButton* pBt_1 = new QPushButton("calculate");
    QPushButton* pBt_2 = new QPushButton("to start");
    QPushButton* pBt_3 = new QPushButton("close");

    QGridLayout* grLay_1 = new QGridLayout;
    QGridLayout* grLay_2 = new QGridLayout;

    grLay_1->setMargin(5);
    grLay_1->setSpacing(10);
    grLay_2->setMargin(5);
    grLay_2->setSpacing(10);

    lEd_1->setFixedWidth(40);
    lEd_1->setMaxLength(5);

    grLay_1->addWidget(lbl_1, 0, 0);
    grLay_1->addWidget(lbl_7, 1, 0);
    grLay_1->addWidget(lEd_1, 1, 1);
    grLay_1->addWidget(pBt_1, 2, 0);

    grLay_2->addWidget(lbl_2, 0, 0);
    grLay_2->addWidget(lbl_5, 1, 0);
    grLay_2->addWidget(lbl_3, 1, 1);
    grLay_2->addWidget(lbl_6, 2, 0);
    grLay_2->addWidget(lbl_4, 2, 1);
    grLay_2->addWidget(pBt_2, 3, 0);
    grLay_2->addWidget(pBt_3, 3, 1);

    wgt_1.setMinimumWidth(150);
    wgt_1.setWindowTitle("Input window");

    wgt_2.setMinimumWidth(220);
    wgt_2.setWindowTitle("Output window");

    QObject::connect(lEd_1,  SIGNAL(textChanged(QString)),
                     &obj,   SLOT(SetVal(QString)));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &obj,   SLOT(Run_1()));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &obj,   SLOT(Run_2()));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &obj,   SLOT(Print_1()));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &obj,   SLOT(Print_2()));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &wgt_1, SLOT(hide()));

    QObject::connect(pBt_2,  SIGNAL(clicked()),
                     &wgt_1, SLOT(show()));

    QObject::connect(pBt_2,  SIGNAL(clicked()),
                     &wgt_2, SLOT(hide()));

    QObject::connect(pBt_3,  SIGNAL(clicked()),
                     &app,   SLOT(quit()));

    QObject::connect(pBt_1,  SIGNAL(clicked()),
                     &wgt_2, SLOT(show()));

    QObject::connect(&obj,   SIGNAL(ResOut_1(QString)),
                     lbl_3,  SLOT(setText(QString)));

    QObject::connect(&obj,   SIGNAL(ResOut_2(QString)),
                     lbl_4,  SLOT(setText(QString)));

    wgt_1.setLayout(grLay_1);
    wgt_2.setLayout(grLay_2);
    wgt_1.show();

    return app.exec();
}