main.cpp
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/****************************************************************************
**
** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QApplication>
#include <QFont>
#include <QGridLayout>
#include <QPushButton>
#include <QWidget>
#include "lcdrange.h"
class MyWidget : public QWidget
{
public:
MyWidget(QWidget *parent = 0);
};
MyWidget::MyWidget(QWidget *parent)
: QWidget(parent)
{
QPushButton *quit = new QPushButton(tr("Quit"));
quit->setFont(QFont("Times", 18, QFont::Bold));
connect(quit, SIGNAL(clicked()), qApp, SLOT(quit()));
QGridLayout *grid = new QGridLayout;
LCDRange *previousRange = 0;
for (int row = 0; row < 3; ++row) {
for (int column = 0; column < 3; ++column) {
LCDRange *lcdRange = new LCDRange;
grid->addWidget(lcdRange, row, column);
if (previousRange)
connect(lcdRange, SIGNAL(valueChanged(int)),
previousRange, SLOT(setValue(int)));
previousRange = lcdRange;
}
}
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(quit);
layout->addLayout(grid);
setLayout(layout);
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWidget widget;
widget.show();
return app.exec();
}