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-rw-r--r--examples/widgets/widgets/wiggly/wigglywidget.cpp111
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diff --git a/examples/widgets/widgets/wiggly/wigglywidget.cpp b/examples/widgets/widgets/wiggly/wigglywidget.cpp
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--- a/examples/widgets/widgets/wiggly/wigglywidget.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "wigglywidget.h"
-
-#include <QFontMetrics>
-#include <QPainter>
-#include <QTimerEvent>
-
-//! [0]
-WigglyWidget::WigglyWidget(QWidget *parent)
- : QWidget(parent), step(0)
-{
- setBackgroundRole(QPalette::Midlight);
- setAutoFillBackground(true);
-
- QFont newFont = font();
- newFont.setPointSize(newFont.pointSize() + 20);
- setFont(newFont);
-
- timer.start(60, this);
-}
-//! [0]
-
-//! [1]
-void WigglyWidget::paintEvent(QPaintEvent * /* event */)
-//! [1] //! [2]
-{
- static constexpr 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.horizontalAdvance(text)) / 2;
- int y = (height() + metrics.ascent() - metrics.descent()) / 2;
- QColor color;
-//! [2]
-
-//! [3]
- QPainter painter(this);
-//! [3] //! [4]
- 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.horizontalAdvance(text[i]);
- }
-}
-//! [4]
-
-//! [5]
-void WigglyWidget::timerEvent(QTimerEvent *event)
-//! [5] //! [6]
-{
- if (event->timerId() == timer.timerId()) {
- ++step;
- update();
- } else {
- QWidget::timerEvent(event);
- }
-//! [6]
-}