/**************************************************************************** ** ** 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 1.2, 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. ** ****************************************************************************/ //! [includes] #include <QApplication> #include <QFont> #include <QLCDNumber> #include <QPushButton> #include <QSlider> #include <QVBoxLayout> #include <QWidget> //! [includes] //! [class declaration] class MyWidget : public QWidget { public: MyWidget(QWidget *parent = 0); }; //! [class declaration] //! [constructor] //! [3] MyWidget::MyWidget(QWidget *parent) : QWidget(parent) { QPushButton *quit = new QPushButton(tr("Quit")); quit->setFont(QFont("Times", 18, QFont::Bold)); QLCDNumber *lcd = new QLCDNumber(2); lcd->setSegmentStyle(QLCDNumber::Filled); //! [3] //! [4] QSlider *slider = new QSlider(Qt::Horizontal); slider->setRange(0, 99); slider->setValue(0); //! [4] connect(quit, SIGNAL(clicked()), qApp, SLOT(quit())); //! [7] connect(slider, SIGNAL(valueChanged(int)), lcd, SLOT(display(int))); //! [7] //! [layout] QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(quit); layout->addWidget(lcd); layout->addWidget(slider); setLayout(layout); //! [layout] } //! [constructor] //! [main] int main(int argc, char *argv[]) { QApplication app(argc, argv); MyWidget widget; widget.show(); return app.exec(); } //! [main]