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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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 <QtGui>
+
+#include "robot.h"
+
+//! [0]
+RobotPart::RobotPart(QGraphicsItem *parent)
+ : QGraphicsObject(parent), color(Qt::lightGray), dragOver(false)
+{
+ setAcceptDrops(true);
+}
+//! [0]
+
+//! [1]
+void RobotPart::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
+{
+ if (event->mimeData()->hasColor()) {
+ event->setAccepted(true);
+ dragOver = true;
+ update();
+ } else {
+ event->setAccepted(false);
+ }
+}
+//! [1]
+
+//! [2]
+void RobotPart::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
+{
+ Q_UNUSED(event);
+ dragOver = false;
+ update();
+}
+//! [2]
+
+//! [3]
+void RobotPart::dropEvent(QGraphicsSceneDragDropEvent *event)
+{
+ dragOver = false;
+ if (event->mimeData()->hasColor())
+ color = qvariant_cast<QColor>(event->mimeData()->colorData());
+ update();
+}
+//! [3]
+
+//! [4]
+RobotHead::RobotHead(QGraphicsItem *parent)
+ : RobotPart(parent)
+{
+}
+//! [4]
+
+//! [5]
+QRectF RobotHead::boundingRect() const
+{
+ return QRectF(-15, -50, 30, 50);
+}
+//! [5]
+
+//! [6]
+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);
+ }
+}
+//! [6]
+
+//! [7]
+void RobotHead::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
+{
+ if (event->mimeData()->hasImage()) {
+ event->setAccepted(true);
+ dragOver = true;
+ update();
+ } else {
+ RobotPart::dragEnterEvent(event);
+ }
+}
+//! [7]
+
+//! [8]
+void RobotHead::dropEvent(QGraphicsSceneDragDropEvent *event)
+{
+ if (event->mimeData()->hasImage()) {
+ dragOver = false;
+ pixmap = qvariant_cast<QPixmap>(event->mimeData()->imageData());
+ update();
+ } else {
+ RobotPart::dropEvent(event);
+ }
+}
+//! [8]
+
+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);
+}
+
+//! [10]
+Robot::Robot(QGraphicsItem *parent)
+ : RobotPart(parent)
+{
+ setFlag(ItemHasNoContents);
+
+ QGraphicsObject *torsoItem = new RobotTorso(this);
+ QGraphicsObject *headItem = new RobotHead(torsoItem);
+ QGraphicsObject *upperLeftArmItem = new RobotLimb(torsoItem);
+ QGraphicsObject *lowerLeftArmItem = new RobotLimb(upperLeftArmItem);
+ QGraphicsObject *upperRightArmItem = new RobotLimb(torsoItem);
+ QGraphicsObject *lowerRightArmItem = new RobotLimb(upperRightArmItem);
+ QGraphicsObject *upperRightLegItem = new RobotLimb(torsoItem);
+ QGraphicsObject *lowerRightLegItem = new RobotLimb(upperRightLegItem);
+ QGraphicsObject *upperLeftLegItem = new RobotLimb(torsoItem);
+ QGraphicsObject *lowerLeftLegItem = new RobotLimb(upperLeftLegItem);
+//! [10]
+
+//! [11]
+ 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);
+//! [11]
+
+//! [12]
+ QParallelAnimationGroup *animation = new QParallelAnimationGroup(this);
+
+ QPropertyAnimation *headAnimation = new QPropertyAnimation(headItem, "rotation");
+ headAnimation->setStartValue(20);
+ headAnimation->setEndValue(-20);
+ QPropertyAnimation *headScaleAnimation = new QPropertyAnimation(headItem, "scale");
+ headScaleAnimation->setEndValue(1.1);
+ animation->addAnimation(headAnimation);
+ animation->addAnimation(headScaleAnimation);
+//! [12]
+
+ QPropertyAnimation *upperLeftArmAnimation = new QPropertyAnimation(upperLeftArmItem, "rotation");
+ upperLeftArmAnimation->setStartValue(190);
+ upperLeftArmAnimation->setEndValue(180);
+ animation->addAnimation(upperLeftArmAnimation);
+
+ QPropertyAnimation *lowerLeftArmAnimation = new QPropertyAnimation(lowerLeftArmItem, "rotation");
+ lowerLeftArmAnimation->setStartValue(50);
+ lowerLeftArmAnimation->setEndValue(10);
+ animation->addAnimation(lowerLeftArmAnimation);
+
+ QPropertyAnimation *upperRightArmAnimation = new QPropertyAnimation(upperRightArmItem, "rotation");
+ upperRightArmAnimation->setStartValue(300);
+ upperRightArmAnimation->setEndValue(310);
+ animation->addAnimation(upperRightArmAnimation);
+
+ QPropertyAnimation *lowerRightArmAnimation = new QPropertyAnimation(lowerRightArmItem, "rotation");
+ lowerRightArmAnimation->setStartValue(0);
+ lowerRightArmAnimation->setEndValue(-70);
+ animation->addAnimation(lowerRightArmAnimation);
+
+ QPropertyAnimation *upperLeftLegAnimation = new QPropertyAnimation(upperLeftLegItem, "rotation");
+ upperLeftLegAnimation->setStartValue(150);
+ upperLeftLegAnimation->setEndValue(80);
+ animation->addAnimation(upperLeftLegAnimation);
+
+ QPropertyAnimation *lowerLeftLegAnimation = new QPropertyAnimation(lowerLeftLegItem, "rotation");
+ lowerLeftLegAnimation->setStartValue(70);
+ lowerLeftLegAnimation->setEndValue(10);
+ animation->addAnimation(lowerLeftLegAnimation);
+
+ QPropertyAnimation *upperRightLegAnimation = new QPropertyAnimation(upperRightLegItem, "rotation");
+ upperRightLegAnimation->setStartValue(40);
+ upperRightLegAnimation->setEndValue(120);
+ animation->addAnimation(upperRightLegAnimation);
+
+ QPropertyAnimation *lowerRightLegAnimation = new QPropertyAnimation(lowerRightLegItem, "rotation");
+ lowerRightLegAnimation->setStartValue(10);
+ lowerRightLegAnimation->setEndValue(50);
+ animation->addAnimation(lowerRightLegAnimation);
+
+ QPropertyAnimation *torsoAnimation = new QPropertyAnimation(torsoItem, "rotation");
+ torsoAnimation->setStartValue(5);
+ torsoAnimation->setEndValue(-20);
+ animation->addAnimation(torsoAnimation);
+
+//! [13]
+ for (int i = 0; i < animation->animationCount(); ++i) {
+ QPropertyAnimation *anim = qobject_cast<QPropertyAnimation *>(animation->animationAt(i));
+ anim->setEasingCurve(QEasingCurve::SineCurve);
+ anim->setDuration(2000);
+ }
+
+ animation->setLoopCount(-1);
+ animation->start();
+//! [13]
+}
+
+//! [9]
+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);
+}
+//! [9]
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