/******************************************************************************** Copyright (C) 2004-2006 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 <QtGui>#include "wigglywidget.h"WigglyWidget::WigglyWidget(QWidget *parent)    : QWidget(parent){    setBackgroundRole(QPalette::Midlight);    setAutoFillBackground(true);    QFont newFont = font();    newFont.setPointSize(newFont.pointSize() + 20);    setFont(newFont);    step = 0;    timer.start(60, this);}void WigglyWidget::paintEvent(QPaintEvent * /* event */){    static const int sineTable[16] = {        0, 38, 71, 92, 100, 92, 71, 38,	0, -38, -71, -92, -100, -92, -71, -38    };    QFontMetrics metrics(font());    int x = (width() - metrics.width(text)) / 2;    int y = (height() + metrics.ascent() - metrics.descent()) / 2;    QColor color;    QPainter painter(this);    for (int i = 0; i < text.size(); ++i) {        int index = (step + i) % 16;        color.setHsv((15 - index) * 16, 255, 191);        painter.setPen(color);        painter.drawText(x, y - ((sineTable[index] * metrics.height()) / 400),                         QString(text[i]));        x += metrics.width(text[i]);    }}void WigglyWidget::timerEvent(QTimerEvent *event){    if (event->timerId() == timer.timerId()) {        ++step;        update();    } else {	QWidget::timerEvent(event);    }}