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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "robot.h"
+
+RobotPart::RobotPart(QGraphicsItem *parent)
+ : QGraphicsItem(parent), color(Qt::lightGray), dragOver(false)
+{
+ setAcceptDrops(true);
+}
+
+void RobotPart::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
+{
+ if (event->mimeData()->hasColor()
+ || (qgraphicsitem_cast<RobotHead *>(this) && event->mimeData()->hasImage())) {
+ event->setAccepted(true);
+ dragOver = true;
+ update();
+ } else {
+ event->setAccepted(false);
+ }
+}
+
+void RobotPart::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
+{
+ Q_UNUSED(event);
+ dragOver = false;
+ update();
+}
+
+void RobotPart::dropEvent(QGraphicsSceneDragDropEvent *event)
+{
+ dragOver = false;
+ if (event->mimeData()->hasColor())
+ color = qVariantValue<QColor>(event->mimeData()->colorData());
+ else if (event->mimeData()->hasImage())
+ pixmap = qVariantValue<QPixmap>(event->mimeData()->imageData());
+ update();
+}
+
+RobotHead::RobotHead(QGraphicsItem *parent)
+ : RobotPart(parent)
+{
+}
+
+QRectF RobotHead::boundingRect() const
+{
+ return QRectF(-15, -50, 30, 50);
+}
+
+void RobotHead::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+ if (pixmap.isNull()) {
+ painter->setBrush(dragOver ? color.light(130) : color);
+ painter->drawRoundedRect(-10, -30, 20, 30, 25, 25, Qt::RelativeSize);
+ painter->setBrush(Qt::white);
+ painter->drawEllipse(-7, -3 - 20, 7, 7);
+ painter->drawEllipse(0, -3 - 20, 7, 7);
+ painter->setBrush(Qt::black);
+ painter->drawEllipse(-5, -1 - 20, 2, 2);
+ painter->drawEllipse(2, -1 - 20, 2, 2);
+ painter->setPen(QPen(Qt::black, 2));
+ painter->setBrush(Qt::NoBrush);
+ painter->drawArc(-6, -2 - 20, 12, 15, 190 * 16, 160 * 16);
+ } else {
+ painter->scale(.2272, .2824);
+ painter->drawPixmap(QPointF(-15 * 4.4, -50 * 3.54), pixmap);
+ }
+}
+
+int RobotHead::type() const
+{
+ return Type;
+}
+
+RobotTorso::RobotTorso(QGraphicsItem *parent)
+ : RobotPart(parent)
+{
+}
+
+QRectF RobotTorso::boundingRect() const
+{
+ return QRectF(-30, -20, 60, 60);
+}
+
+void RobotTorso::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+
+ painter->setBrush(dragOver ? color.light(130) : color);
+ painter->drawRoundedRect(-20, -20, 40, 60, 25, 25, Qt::RelativeSize);
+ painter->drawEllipse(-25, -20, 20, 20);
+ painter->drawEllipse(5, -20, 20, 20);
+ painter->drawEllipse(-20, 22, 20, 20);
+ painter->drawEllipse(0, 22, 20, 20);
+}
+
+RobotLimb::RobotLimb(QGraphicsItem *parent)
+ : RobotPart(parent)
+{
+}
+
+QRectF RobotLimb::boundingRect() const
+{
+ return QRectF(-5, -5, 40, 10);
+}
+
+void RobotLimb::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+
+ painter->setBrush(dragOver ? color.light(130) : color);
+ painter->drawRoundedRect(boundingRect(), 50, 50, Qt::RelativeSize);
+ painter->drawEllipse(-5, -5, 10, 10);
+}
+
+Robot::Robot()
+{
+ QGraphicsItem *torsoItem = new RobotTorso(this);
+ QGraphicsItem *headItem = new RobotHead(torsoItem);
+ QGraphicsItem *upperLeftArmItem = new RobotLimb(torsoItem);
+ QGraphicsItem *lowerLeftArmItem = new RobotLimb(upperLeftArmItem);
+ QGraphicsItem *upperRightArmItem = new RobotLimb(torsoItem);
+ QGraphicsItem *lowerRightArmItem = new RobotLimb(upperRightArmItem);
+ QGraphicsItem *upperRightLegItem = new RobotLimb(torsoItem);
+ QGraphicsItem *lowerRightLegItem = new RobotLimb(upperRightLegItem);
+ QGraphicsItem *upperLeftLegItem = new RobotLimb(torsoItem);
+ QGraphicsItem *lowerLeftLegItem = new RobotLimb(upperLeftLegItem);
+
+ headItem->setPos(0, -18);
+ upperLeftArmItem->setPos(-15, -10);
+ lowerLeftArmItem->setPos(30, 0);
+ upperRightArmItem->setPos(15, -10);
+ lowerRightArmItem->setPos(30, 0);
+ upperRightLegItem->setPos(10, 32);
+ lowerRightLegItem->setPos(30, 0);
+ upperLeftLegItem->setPos(-10, 32);
+ lowerLeftLegItem->setPos(30, 0);
+
+ timeLine = new QTimeLine;
+
+ QGraphicsItemAnimation *headAnimation = new QGraphicsItemAnimation;
+ headAnimation->setItem(headItem);
+ headAnimation->setTimeLine(timeLine);
+ headAnimation->setRotationAt(0, 20);
+ headAnimation->setRotationAt(1, -20);
+ headAnimation->setScaleAt(1, 1.1, 1.1);
+
+ QGraphicsItemAnimation *upperLeftArmAnimation = new QGraphicsItemAnimation;
+ upperLeftArmAnimation->setItem(upperLeftArmItem);
+ upperLeftArmAnimation->setTimeLine(timeLine);
+ upperLeftArmAnimation->setRotationAt(0, 190);
+ upperLeftArmAnimation->setRotationAt(1, 180);
+
+ QGraphicsItemAnimation *lowerLeftArmAnimation = new QGraphicsItemAnimation;
+ lowerLeftArmAnimation->setItem(lowerLeftArmItem);
+ lowerLeftArmAnimation->setTimeLine(timeLine);
+ lowerLeftArmAnimation->setRotationAt(0, 50);
+ lowerLeftArmAnimation->setRotationAt(1, 10);
+
+ QGraphicsItemAnimation *upperRightArmAnimation = new QGraphicsItemAnimation;
+ upperRightArmAnimation->setItem(upperRightArmItem);
+ upperRightArmAnimation->setTimeLine(timeLine);
+ upperRightArmAnimation->setRotationAt(0, 300);
+ upperRightArmAnimation->setRotationAt(1, 310);
+
+ QGraphicsItemAnimation *lowerRightArmAnimation = new QGraphicsItemAnimation;
+ lowerRightArmAnimation->setItem(lowerRightArmItem);
+ lowerRightArmAnimation->setTimeLine(timeLine);
+ lowerRightArmAnimation->setRotationAt(0, 0);
+ lowerRightArmAnimation->setRotationAt(1, -70);
+
+ QGraphicsItemAnimation *upperLeftLegAnimation = new QGraphicsItemAnimation;
+ upperLeftLegAnimation->setItem(upperLeftLegItem);
+ upperLeftLegAnimation->setTimeLine(timeLine);
+ upperLeftLegAnimation->setRotationAt(0, 150);
+ upperLeftLegAnimation->setRotationAt(1, 80);
+
+ QGraphicsItemAnimation *lowerLeftLegAnimation = new QGraphicsItemAnimation;
+ lowerLeftLegAnimation->setItem(lowerLeftLegItem);
+ lowerLeftLegAnimation->setTimeLine(timeLine);
+ lowerLeftLegAnimation->setRotationAt(0, 70);
+ lowerLeftLegAnimation->setRotationAt(1, 10);
+
+ QGraphicsItemAnimation *upperRightLegAnimation = new QGraphicsItemAnimation;
+ upperRightLegAnimation->setItem(upperRightLegItem);
+ upperRightLegAnimation->setTimeLine(timeLine);
+ upperRightLegAnimation->setRotationAt(0, 40);
+ upperRightLegAnimation->setRotationAt(1, 120);
+
+ QGraphicsItemAnimation *lowerRightLegAnimation = new QGraphicsItemAnimation;
+ lowerRightLegAnimation->setItem(lowerRightLegItem);
+ lowerRightLegAnimation->setTimeLine(timeLine);
+ lowerRightLegAnimation->setRotationAt(0, 10);
+ lowerRightLegAnimation->setRotationAt(1, 50);
+
+ QGraphicsItemAnimation *torsoAnimation = new QGraphicsItemAnimation;
+ torsoAnimation->setItem(torsoItem);
+ torsoAnimation->setTimeLine(timeLine);
+ torsoAnimation->setRotationAt(0, 5);
+ torsoAnimation->setRotationAt(1, -20);
+
+ timeLine->setUpdateInterval(1000 / 25);
+ timeLine->setCurveShape(QTimeLine::SineCurve);
+ timeLine->setLoopCount(0);
+ timeLine->setDuration(2000);
+ timeLine->start();
+}
+
+Robot::~Robot()
+{
+ delete timeLine;
+}
+
+QRectF Robot::boundingRect() const
+{
+ return QRectF();
+}
+
+void Robot::paint(QPainter *painter,
+ const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(painter);
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+}
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