/**************************************************************************** ** ** Copyright (C) 2005-2008 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 versions 2.0 or 3.0 as published by the Free Software ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Alternatively you may (at ** your option) use any later version of the GNU General Public ** License if such license has been publicly approved by Trolltech ASA ** (or its successors, if any) and the KDE Free Qt Foundation. In ** addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.1, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If ** you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech, as the sole ** copyright holder for Qt Designer, grants users of the Qt/Eclipse ** Integration plug-in the right for the Qt/Eclipse Integration to ** link to functionality provided by Qt Designer and its related ** libraries. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly ** granted herein. ** ** 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 <QLCDNumber> #include <QSlider> #include <QVBoxLayout> #include "lcdrange.h" LCDRange::LCDRange(QWidget *parent) : QWidget(parent) { QLCDNumber *lcd = new QLCDNumber(2); lcd->setSegmentStyle(QLCDNumber::Filled); 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); }