/****************************************************************************
**
** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
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** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

/****************************************************************
**
** Implementation of LCDRange class, Qt tutorial 10
**
****************************************************************/

#include <QLCDNumber>
#include <QSlider>
#include <QVBoxLayout>

#include "lcdrange.h"

LCDRange::LCDRange(QWidget *parent)
    : QWidget(parent)
{
    QLCDNumber *lcd = new QLCDNumber(2);
    slider = new QSlider(Qt::Horizontal);
    slider->setRange(0, 99);
    slider->setValue(0);

    connect(slider, SIGNAL(valueChanged(int)),
            lcd, SLOT(display(int)));
    connect(slider, SIGNAL(valueChanged(int)),
            this, SIGNAL(valueChanged(int)));

    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(lcd);
    layout->addWidget(slider);
    setLayout(layout);

    setFocusProxy(slider);
}

int LCDRange::value() const
{
    return slider->value();
}

void LCDRange::setValue(int value)
{
    slider->setValue(value);
}

void LCDRange::setRange(int minValue, int maxValue)
{
    if (minValue < 0 || maxValue > 99 || minValue > maxValue) {
        qWarning("LCDRange::setRange(%d, %d)\n"
                 "\tRange must be 0..99\n"
                 "\tand minValue must not be greater than maxValue",
                 minValue, maxValue);
        return;
    }
    slider->setRange(minValue, maxValue);
}
