f9f395c28b
Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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class StaticWidget : public QWidget
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{
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Q_OBJECT
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public:
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int hue;
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bool pressed;
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StaticWidget(QWidget *parent = 0)
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:QWidget(parent)
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{
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setAttribute(Qt::WA_StaticContents);
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setAttribute(Qt::WA_OpaquePaintEvent);
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hue = 200;
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pressed = false;
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}
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// Update 4 rects in a checkerboard pattern, using either
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// a QRegion or separate rects (see the useRegion switch)
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void updatePattern(QPoint pos)
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{
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const int rectSize = 10;
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QRect rect(pos.x() - rectSize, pos.y() - rectSize, rectSize *2, rectSize * 2);
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QVector<QRect> updateRects;
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updateRects.append(rect.translated(rectSize * 2, rectSize * 2));
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updateRects.append(rect.translated(rectSize * 2, -rectSize * 2));
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updateRects.append(rect.translated(-rectSize * 2, rectSize * 2));
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updateRects.append(rect.translated(-rectSize * 2, -rectSize * 2));
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bool useRegion = false;
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if (useRegion) {
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QRegion region;
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region.setRects(updateRects.data(), 4);
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update(region);
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} else {
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foreach (QRect rect, updateRects)
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update(rect);
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}
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}
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void resizeEvent(QResizeEvent *)
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{
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// qDebug() << "static widget resize from" << e->oldSize() << "to" << e->size();
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}
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void mousePressEvent(QMouseEvent *event)
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{
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// qDebug() << "mousePress at" << event->pos();
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pressed = true;
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updatePattern(event->pos());
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}
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void mouseReleaseEvent(QMouseEvent *)
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{
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pressed = false;
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}
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void mouseMoveEvent(QMouseEvent *event)
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{
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if (pressed)
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updatePattern(event->pos());
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}
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void paintEvent(QPaintEvent *e)
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{
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QPainter p(this);
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static int color = 200;
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color = (color + 41) % 205 + 50;
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// color = ((color + 45) %150) + 100;
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qDebug() << "static widget repaint" << e->rect();
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if (pressed)
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p.fillRect(e->rect(), QColor::fromHsv(100, 255, color));
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else
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p.fillRect(e->rect(), QColor::fromHsv(hue, 255, color));
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p.setPen(QPen(QColor(Qt::white)));
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for (int y = e->rect().top(); y <= e->rect().bottom() + 1; ++y) {
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if (y % 20 == 0)
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p.drawLine(e->rect().left(), y, e->rect().right(), y);
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}
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for (int x = e->rect().left(); x <= e->rect().right() +1 ; ++x) {
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if (x % 20 == 0)
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p.drawLine(x, e->rect().top(), x, e->rect().bottom());
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}
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}
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};
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