#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <qmainwindow.h>

#ifndef INTEGR_H
#include "integration.h"
#endif

class QAction;
class QLineEdit;
class QPushButton;
class QStringList;

class MainWindow : public QMainWindow
{
	Q_OBJECT
public:
	MainWindow();
	
private slots:
	void applyInputHClicked();
	void applyInputW1Clicked();
	void calculateKoefClicked();
	void drawFurieClicked();
	
private:
	double ak;
	double bk;
	double w1;
	double h;
	double T;
	
	QLineEdit *w1input;
	QLineEdit *hinput;
	QStringList *abk;
	QPushButton *applyInputW1;
	QPushButton *applyInputH;
	QPushButton *calculateKoef;
	QPushButton *drawFurie;
	QPushButton *exit;
	
	pfdri ri;
	pfdcs ris;
	pfdcs ric;
}

#endif 

 и реализация

MainWindow::MainWindow()    : QMainWindow(parent, flags)
{
	w1input = new QLineEdit;
	hinput = new QLineEdit;
	abk = new QStringList;
	plotter = new Q3Canvas;
	applyInputH = new QPushButton("Apply h");
	applyInputW1 = new QPushButton("Apply w1");	
	calculateKoef = new QPushButton("Calculate koeff");
	drawFurie = new QPushButton("Plot!");
	exit = new QPushButton("Exit");
	ak = new double [7];
	bk = new double [7];
	w1 = new double;
	h = new double;
	T = new double;
	ri = &research_impulse;
	ric = &ri_cos;
	ris = &ri_sin;
	
	connect(applyInputW1, SIGNAL(clicked()), &MainWindow, SLOT(applyInputW1Clicked()));
	connect(applyInputH, SIGNAL(clicked()), &MainWindow, SLOT(applyInputHClicked()));
	connect(calculateKoef, SIGNAL(clicked()),&MainWindow, SLOT(calculateKoefClicked()));
//	QObject::connect(exit,SIGNAL(clicked()),&MainWindow,SLOT(exitClicked()));	
}

void MainWindow::applyInputW1Clicked()
{
	w1 = w1input->text.toDouble;
	T = 2*PI/w1;
}

void MainWindow::applyInputHClicked()
{
	h = hinput->text.toDouble;
}

void MainWindow::calculateKoefClicked()
{
		for (int i = 0; i < 7;i++)
		{
//			ak[i] = get_koef(0,ris,ri,i+1,500,T);
//			bk[i] = get_koef(0,ric,ri,i+1,500,T);
//                        это в принципе не интересно
		}
}