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Source code

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
	: QWidget(parent), ui(new Ui::Widget)
{
	okButton = new QPushButton(tr("OK"), this);
	okButton->move(200, 200);
	okButton->show();

	resBar = new QSlider(Qt::Horizontal, this);
	resBar->setFocusPolicy(Qt::StrongFocus);
	resBar->setTickPosition(QSlider::TicksBelow);
	resBar->setTickInterval(1);
	resBar->setSingleStep(0);
	resBar->setMinimum(1);
	resBar->setMaximum(4);
	resBar->move(200,100);
	resBar->show();

	connect(okButton, SIGNAL(clicked()), this, SLOT(makePrintFile()));
}

Widget::~Widget()
{
	delete ui;
}

void Widget::makePrintFile(){
	printf("OK pressed");

//What can I put here to make it do something if the value is at 2 (for example)?  I tried using resBar->value but that doesn't work.

}

Source code

#ifndef WIDGET_H
#define WIDGET_H

#include <QtGui/QWidget>
#include <QPushButton>
#include <QSlider>

namespace Ui
{
	class Widget;
}

class Widget : public QWidget
{
	Q_OBJECT

public:
	Widget(QWidget *parent = 0);
	~Widget();

public slots:
	void makePrintFile();

private:
	QPushButton *okButton;
	QSlider *resBar;


	Ui::Widget *ui;
};

#endif // WIDGET_H