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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">lcdrange.cpp Example File<br /><small><small>tutorial/t7/lcdrange.cpp</small></small></h1>
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<pre> /****************************************************************************
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** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
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** This file is part of the documentation of the Qt Toolkit.
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/****************************************************************
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** Implementation of LCDRange class, Qt tutorial 7
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****************************************************************/
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#include <QLCDNumber>
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#include <QSlider>
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#include <QVBoxLayout>
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#include "lcdrange.h"
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LCDRange::LCDRange(QWidget *parent)
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QLCDNumber *lcd = new QLCDNumber(2);
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slider = new QSlider(Qt::Horizontal);
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slider->setRange(0, 99);
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slider->setValue(0);
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connect(slider, SIGNAL(valueChanged(int)),
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lcd, SLOT(display(int)));
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connect(slider, SIGNAL(valueChanged(int)),
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this, SIGNAL(valueChanged(int)));
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QVBoxLayout *layout = new QVBoxLayout;
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layout->addWidget(lcd);
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layout->addWidget(slider);
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int LCDRange::value() const
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return slider->value();
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void LCDRange::setValue(int value)
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slider->setValue(value);
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