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/**************************************************************************** ** ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. ** ** This file is part of the documentation of the Qt Toolkit. ** ** Licensees holding a valid Qt License Agreement may use this file in ** accordance with the rights, responsibilities and obligations ** contained therein. Please consult your licensing agreement or ** contact [email protected] if any conditions of this licensing ** agreement are not clear to you. ** ** Further information about Qt licensing is available at: ** http://trolltech.com/products/appdev/licensing. ** ** 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 <QPainter> #include "cannonfield.h" CannonField::CannonField(QWidget *parent) : QWidget(parent) { currentAngle = 45; setPalette(QPalette(QColor(250, 250, 200))); setAutoFillBackground(true); } void CannonField::setAngle(int angle) { if (angle < 5) angle = 5; if (angle > 70) angle = 70; if (currentAngle == angle) return; currentAngle = angle; update(); emit angleChanged(currentAngle); } void CannonField::paintEvent(QPaintEvent * /* event */) { QPainter painter(this); painter.setPen(Qt::NoPen); painter.setBrush(Qt::blue); painter.translate(0, rect().height()); painter.drawPie(QRect(-35, -35, 70, 70), 0, 90 * 16); painter.rotate(-currentAngle); painter.drawRect(QRect(30, -5, 20, 10)); }
Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.4.3 |