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examples/graphicsview/dragdroprobot/robot.cpp
branchGCC_SURGE
changeset 31 5daf16870df6
parent 30 5dc02b23752f
equal deleted inserted replaced
27:93b982ccede2 31:5daf16870df6 
     4 ** All rights reserved.
 
     4 ** All rights reserved.
 
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
 
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
 
     6 **
 
     6 **
 
     7 ** This file is part of the examples of the Qt Toolkit.
 
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     8 **
 
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     9 ** $QT_BEGIN_LICENSE:LGPL$
 
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    37 ** $QT_END_LICENSE$
 
    39 **
 
    38 **
 
    40 ****************************************************************************/
 
    39 ****************************************************************************/
 
    41 
    40 
    42 #include <QtGui>
 
    41 #include <QtGui>
 
    43 
    42 
    44 #include "robot.h"
 
    43 #include "robot.h"
 
    45 
    44 
       
    45 //! [0]
 
    46 RobotPart::RobotPart(QGraphicsItem *parent)
 
    46 RobotPart::RobotPart(QGraphicsItem *parent)
 
    47     : QGraphicsItem(parent), color(Qt::lightGray), dragOver(false)
 
    47     : QGraphicsObject(parent), color(Qt::lightGray), dragOver(false)
 
    48 {
 
    48 {
 
    49     setAcceptDrops(true);
 
    49     setAcceptDrops(true);
 
    50 }
 
    50 }
 
    51 
    51 //! [0]
 
       
    52 
       
    53 //! [1]
 
    52 void RobotPart::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
 
    54 void RobotPart::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
 
    53 {
 
    55 {
 
    54     if (event->mimeData()->hasColor()
 
    56     if (event->mimeData()->hasColor()) {
 
    55         || (qgraphicsitem_cast<RobotHead *>(this) && event->mimeData()->hasImage())) {
 
       
    56         event->setAccepted(true);
 
    57         event->setAccepted(true);
 
    57         dragOver = true;
 
    58         dragOver = true;
 
    58         update();
 
    59         update();
 
    59     } else {
 
    60     } else {
 
    60         event->setAccepted(false);
 
    61         event->setAccepted(false);
 
    61     }
 
    62     }
 
    62 }
 
    63 }
 
    63 
    64 //! [1]
 
       
    65 
       
    66 //! [2]
 
    64 void RobotPart::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
 
    67 void RobotPart::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
 
    65 {
 
    68 {
 
    66     Q_UNUSED(event);
 
    69     Q_UNUSED(event);
 
    67     dragOver = false;
 
    70     dragOver = false;
 
    68     update();
 
    71     update();
 
    69 }
 
    72 }
 
    70 
    73 //! [2]
 
       
    74 
       
    75 //! [3]
 
    71 void RobotPart::dropEvent(QGraphicsSceneDragDropEvent *event)
 
    76 void RobotPart::dropEvent(QGraphicsSceneDragDropEvent *event)
 
    72 {
 
    77 {
 
    73     dragOver = false;
 
    78     dragOver = false;
 
    74     if (event->mimeData()->hasColor())
 
    79     if (event->mimeData()->hasColor())
 
    75         color = qVariantValue<QColor>(event->mimeData()->colorData());
 
    80         color = qVariantValue<QColor>(event->mimeData()->colorData());
 
    76     else if (event->mimeData()->hasImage())
 
       
    77         pixmap = qVariantValue<QPixmap>(event->mimeData()->imageData());
 
       
    78     update();
 
    81     update();
 
    79 }
 
    82 }
 
    80 
    83 //! [3]
 
       
    84 
       
    85 //! [4]
 
    81 RobotHead::RobotHead(QGraphicsItem *parent)
 
    86 RobotHead::RobotHead(QGraphicsItem *parent)
 
    82     : RobotPart(parent)
 
    87     : RobotPart(parent)
 
    83 {
 
    88 {
 
    84 }
 
    89 }
 
    85 
    90 //! [4]
 
       
    91 
       
    92 //! [5]
 
    86 QRectF RobotHead::boundingRect() const
 
    93 QRectF RobotHead::boundingRect() const
 
    87 {
 
    94 {
 
    88     return QRectF(-15, -50, 30, 50);
 
    95     return QRectF(-15, -50, 30, 50);
 
    89 }
 
    96 }
 
    90 
    97 //! [5]
 
       
    98 
       
    99 //! [6]
 
    91 void RobotHead::paint(QPainter *painter,
 
   100 void RobotHead::paint(QPainter *painter,
 
    92            const QStyleOptionGraphicsItem *option, QWidget *widget)
 
   101            const QStyleOptionGraphicsItem *option, QWidget *widget)
 
    93 {
 
   102 {
 
    94     Q_UNUSED(option);
 
   103     Q_UNUSED(option);
 
    95     Q_UNUSED(widget);
 
   104     Q_UNUSED(widget);
 
   108     } else {
 
   117     } else {
 
   109         painter->scale(.2272, .2824);
 
   118         painter->scale(.2272, .2824);
 
   110         painter->drawPixmap(QPointF(-15 * 4.4, -50 * 3.54), pixmap);
 
   119         painter->drawPixmap(QPointF(-15 * 4.4, -50 * 3.54), pixmap);
 
   111     }
 
   120     }
 
   112 }
 
   121 }
 
   113 
   122 //! [6]
 
   114 int RobotHead::type() const
 
   123 
   115 {
 
   124 //! [7]
 
   116     return Type;
 
   125 void RobotHead::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
 
   117 }
 
   126 {
 
       
   127     if (event->mimeData()->hasImage()) {
 
       
   128         event->setAccepted(true);
 
       
   129         dragOver = true;
 
       
   130         update();
 
       
   131     } else {
 
       
   132         RobotPart::dragEnterEvent(event);
 
       
   133     }
 
       
   134 }
 
       
   135 //! [7]
 
       
   136 
       
   137 //! [8]
 
       
   138 void RobotHead::dropEvent(QGraphicsSceneDragDropEvent *event)
 
       
   139 {
 
       
   140     if (event->mimeData()->hasImage()) {
 
       
   141         dragOver = false;
 
       
   142         pixmap = qVariantValue<QPixmap>(event->mimeData()->imageData());
 
       
   143         update();
 
       
   144     } else {
 
       
   145         RobotPart::dropEvent(event);
 
       
   146     }
 
       
   147 }
 
       
   148 //! [8]
 
   118 
   149 
   119 RobotTorso::RobotTorso(QGraphicsItem *parent)
 
   150 RobotTorso::RobotTorso(QGraphicsItem *parent)
 
   120     : RobotPart(parent)
 
   151     : RobotPart(parent)
 
   121 {
 
   152 {
 
   122 }
 
   153 }
 
   159     painter->setBrush(dragOver ? color.light(130) : color);
 
   190     painter->setBrush(dragOver ? color.light(130) : color);
 
   160     painter->drawRoundedRect(boundingRect(), 50, 50, Qt::RelativeSize);
 
   191     painter->drawRoundedRect(boundingRect(), 50, 50, Qt::RelativeSize);
 
   161     painter->drawEllipse(-5, -5, 10, 10);
 
   192     painter->drawEllipse(-5, -5, 10, 10);
 
   162 }
 
   193 }
 
   163 
   194 
   164 Robot::Robot()
 
   195 //! [10]
 
   165 {
 
   196 Robot::Robot(QGraphicsItem *parent)
 
   166     QGraphicsItem *torsoItem = new RobotTorso(this);    
   197     : RobotPart(parent)
 
   167     QGraphicsItem *headItem = new RobotHead(torsoItem);
 
   198 {
 
   168     QGraphicsItem *upperLeftArmItem = new RobotLimb(torsoItem);
 
   199     setFlag(ItemHasNoContents);
 
   169     QGraphicsItem *lowerLeftArmItem = new RobotLimb(upperLeftArmItem);
 
   200 
   170     QGraphicsItem *upperRightArmItem = new RobotLimb(torsoItem);
 
   201     QGraphicsObject *torsoItem = new RobotTorso(this);
 
   171     QGraphicsItem *lowerRightArmItem = new RobotLimb(upperRightArmItem);
 
   202     QGraphicsObject *headItem = new RobotHead(torsoItem);
 
   172     QGraphicsItem *upperRightLegItem = new RobotLimb(torsoItem);
 
   203     QGraphicsObject *upperLeftArmItem = new RobotLimb(torsoItem);
 
   173     QGraphicsItem *lowerRightLegItem = new RobotLimb(upperRightLegItem);
 
   204     QGraphicsObject *lowerLeftArmItem = new RobotLimb(upperLeftArmItem);
 
   174     QGraphicsItem *upperLeftLegItem = new RobotLimb(torsoItem);
 
   205     QGraphicsObject *upperRightArmItem = new RobotLimb(torsoItem);
 
   175     QGraphicsItem *lowerLeftLegItem = new RobotLimb(upperLeftLegItem);
 
   206     QGraphicsObject *lowerRightArmItem = new RobotLimb(upperRightArmItem);
 
   176     
   207     QGraphicsObject *upperRightLegItem = new RobotLimb(torsoItem);
 
       
   208     QGraphicsObject *lowerRightLegItem = new RobotLimb(upperRightLegItem);
 
       
   209     QGraphicsObject *upperLeftLegItem = new RobotLimb(torsoItem);
 
       
   210     QGraphicsObject *lowerLeftLegItem = new RobotLimb(upperLeftLegItem);
 
       
   211 //! [10]
 
       
   212 
       
   213 //! [11]
 
   177     headItem->setPos(0, -18);
 
   214     headItem->setPos(0, -18);
 
   178     upperLeftArmItem->setPos(-15, -10);
 
   215     upperLeftArmItem->setPos(-15, -10);
 
   179     lowerLeftArmItem->setPos(30, 0);
 
   216     lowerLeftArmItem->setPos(30, 0);
 
   180     upperRightArmItem->setPos(15, -10);
 
   217     upperRightArmItem->setPos(15, -10);
 
   181     lowerRightArmItem->setPos(30, 0);
 
   218     lowerRightArmItem->setPos(30, 0);
 
   182     upperRightLegItem->setPos(10, 32);
 
   219     upperRightLegItem->setPos(10, 32);
 
   183     lowerRightLegItem->setPos(30, 0);
 
   220     lowerRightLegItem->setPos(30, 0);
 
   184     upperLeftLegItem->setPos(-10, 32);
 
   221     upperLeftLegItem->setPos(-10, 32);
 
   185     lowerLeftLegItem->setPos(30, 0);
 
   222     lowerLeftLegItem->setPos(30, 0);
 
   186 
   223 //! [11]
 
   187     timeLine = new QTimeLine;
 
   224 
   188 
   225 //! [12]
 
   189     QGraphicsItemAnimation *headAnimation = new QGraphicsItemAnimation;
 
   226     QParallelAnimationGroup *animation = new QParallelAnimationGroup(this);
 
   190     headAnimation->setItem(headItem);
 
   227 
   191     headAnimation->setTimeLine(timeLine);
 
   228     QPropertyAnimation *headAnimation = new QPropertyAnimation(headItem, "rotation");
 
   192     headAnimation->setRotationAt(0, 20);
 
   229     headAnimation->setStartValue(20);
 
   193     headAnimation->setRotationAt(1, -20);
 
   230     headAnimation->setEndValue(-20);
 
   194     headAnimation->setScaleAt(1, 1.1, 1.1);
 
   231     QPropertyAnimation *headScaleAnimation = new QPropertyAnimation(headItem, "scale");
 
   195 
   232     headScaleAnimation->setEndValue(1.1);
 
   196     QGraphicsItemAnimation *upperLeftArmAnimation = new QGraphicsItemAnimation;
 
   233     animation->addAnimation(headAnimation);
 
   197     upperLeftArmAnimation->setItem(upperLeftArmItem);
 
   234     animation->addAnimation(headScaleAnimation);
 
   198     upperLeftArmAnimation->setTimeLine(timeLine);
 
   235 //! [12]
 
   199     upperLeftArmAnimation->setRotationAt(0, 190);
 
   236 
   200     upperLeftArmAnimation->setRotationAt(1, 180);
 
   237     QPropertyAnimation *upperLeftArmAnimation = new QPropertyAnimation(upperLeftArmItem, "rotation");
 
   201 
   238     upperLeftArmAnimation->setStartValue(190);
 
   202     QGraphicsItemAnimation *lowerLeftArmAnimation = new QGraphicsItemAnimation;
 
   239     upperLeftArmAnimation->setEndValue(180);
 
   203     lowerLeftArmAnimation->setItem(lowerLeftArmItem);
 
   240     animation->addAnimation(upperLeftArmAnimation);
 
   204     lowerLeftArmAnimation->setTimeLine(timeLine);
 
   241 
   205     lowerLeftArmAnimation->setRotationAt(0, 50);
 
   242     QPropertyAnimation *lowerLeftArmAnimation = new QPropertyAnimation(lowerLeftArmItem, "rotation");
 
   206     lowerLeftArmAnimation->setRotationAt(1, 10);
 
   243     lowerLeftArmAnimation->setStartValue(50);
 
   207     
   244     lowerLeftArmAnimation->setEndValue(10);
 
   208     QGraphicsItemAnimation *upperRightArmAnimation = new QGraphicsItemAnimation;
 
   245     animation->addAnimation(lowerLeftArmAnimation);
 
   209     upperRightArmAnimation->setItem(upperRightArmItem);
 
   246 
   210     upperRightArmAnimation->setTimeLine(timeLine);
 
   247     QPropertyAnimation *upperRightArmAnimation = new QPropertyAnimation(upperRightArmItem, "rotation");
 
   211     upperRightArmAnimation->setRotationAt(0, 300);
 
   248     upperRightArmAnimation->setStartValue(300);
 
   212     upperRightArmAnimation->setRotationAt(1, 310);
 
   249     upperRightArmAnimation->setEndValue(310);
 
   213 
   250     animation->addAnimation(upperRightArmAnimation);
 
   214     QGraphicsItemAnimation *lowerRightArmAnimation = new QGraphicsItemAnimation;
 
   251 
   215     lowerRightArmAnimation->setItem(lowerRightArmItem);
 
   252     QPropertyAnimation *lowerRightArmAnimation = new QPropertyAnimation(lowerRightArmItem, "rotation");
 
   216     lowerRightArmAnimation->setTimeLine(timeLine);
 
   253     lowerRightArmAnimation->setStartValue(0);
 
   217     lowerRightArmAnimation->setRotationAt(0, 0);
 
   254     lowerRightArmAnimation->setEndValue(-70);
 
   218     lowerRightArmAnimation->setRotationAt(1, -70);
 
   255     animation->addAnimation(lowerRightArmAnimation);
 
   219 
   256 
   220     QGraphicsItemAnimation *upperLeftLegAnimation = new QGraphicsItemAnimation;
 
   257     QPropertyAnimation *upperLeftLegAnimation = new QPropertyAnimation(upperLeftLegItem, "rotation");
 
   221     upperLeftLegAnimation->setItem(upperLeftLegItem);
 
   258     upperLeftLegAnimation->setStartValue(150);
 
   222     upperLeftLegAnimation->setTimeLine(timeLine);
 
   259     upperLeftLegAnimation->setEndValue(80);
 
   223     upperLeftLegAnimation->setRotationAt(0, 150);
 
   260     animation->addAnimation(upperLeftLegAnimation);
 
   224     upperLeftLegAnimation->setRotationAt(1, 80);
 
   261 
   225 
   262     QPropertyAnimation *lowerLeftLegAnimation = new QPropertyAnimation(lowerLeftLegItem, "rotation");
 
   226     QGraphicsItemAnimation *lowerLeftLegAnimation = new QGraphicsItemAnimation;
 
   263     lowerLeftLegAnimation->setStartValue(70);
 
   227     lowerLeftLegAnimation->setItem(lowerLeftLegItem);
 
   264     lowerLeftLegAnimation->setEndValue(10);
 
   228     lowerLeftLegAnimation->setTimeLine(timeLine);
 
   265     animation->addAnimation(lowerLeftLegAnimation);
 
   229     lowerLeftLegAnimation->setRotationAt(0, 70);
 
   266 
   230     lowerLeftLegAnimation->setRotationAt(1, 10);
 
   267     QPropertyAnimation *upperRightLegAnimation = new QPropertyAnimation(upperRightLegItem, "rotation");
 
   231 
   268     upperRightLegAnimation->setStartValue(40);
 
   232     QGraphicsItemAnimation *upperRightLegAnimation = new QGraphicsItemAnimation;
 
   269     upperRightLegAnimation->setEndValue(120);
 
   233     upperRightLegAnimation->setItem(upperRightLegItem);
 
   270     animation->addAnimation(upperRightLegAnimation);
 
   234     upperRightLegAnimation->setTimeLine(timeLine);
 
   271 
   235     upperRightLegAnimation->setRotationAt(0, 40);
 
   272     QPropertyAnimation *lowerRightLegAnimation = new QPropertyAnimation(lowerRightLegItem, "rotation");
 
   236     upperRightLegAnimation->setRotationAt(1, 120);
 
   273     lowerRightLegAnimation->setStartValue(10);
 
   237     
   274     lowerRightLegAnimation->setEndValue(50);
 
   238     QGraphicsItemAnimation *lowerRightLegAnimation = new QGraphicsItemAnimation;
 
   275     animation->addAnimation(lowerRightLegAnimation);
 
   239     lowerRightLegAnimation->setItem(lowerRightLegItem);
 
   276 
   240     lowerRightLegAnimation->setTimeLine(timeLine);
 
   277     QPropertyAnimation *torsoAnimation = new QPropertyAnimation(torsoItem, "rotation");
 
   241     lowerRightLegAnimation->setRotationAt(0, 10);
 
   278     torsoAnimation->setStartValue(5);
 
   242     lowerRightLegAnimation->setRotationAt(1, 50);
 
   279     torsoAnimation->setEndValue(-20);
 
   243     
   280     animation->addAnimation(torsoAnimation);
 
   244     QGraphicsItemAnimation *torsoAnimation = new QGraphicsItemAnimation;
 
   281 
   245     torsoAnimation->setItem(torsoItem);
 
   282 //! [13]
 
   246     torsoAnimation->setTimeLine(timeLine);
 
   283     for (int i = 0; i < animation->animationCount(); ++i) {
 
   247     torsoAnimation->setRotationAt(0, 5);
 
   284         QPropertyAnimation *anim = qobject_cast<QPropertyAnimation *>(animation->animationAt(i));
 
   248     torsoAnimation->setRotationAt(1, -20);
 
   285         anim->setEasingCurve(QEasingCurve::SineCurve);
 
   249 
   286         anim->setDuration(2000);
 
   250     timeLine->setUpdateInterval(1000 / 25);
 
   287     }
 
   251     timeLine->setCurveShape(QTimeLine::SineCurve);
 
   288 
   252     timeLine->setLoopCount(0);
 
   289     animation->setLoopCount(-1);
 
   253     timeLine->setDuration(2000);
 
   290     animation->start();
 
   254     timeLine->start();
 
   291 //! [13]
 
   255 }
 
   292 }
 
   256 
   293 
   257 Robot::~Robot()
 
   294 //! [9]
 
   258 {
 
       
   259     delete timeLine;
 
       
   260 }
 
       
   261 
       
   262 QRectF Robot::boundingRect() const
 
   295 QRectF Robot::boundingRect() const
 
   263 {
 
   296 {
 
   264     return QRectF();
 
   297     return QRectF();
 
   265 }
 
   298 }
 
   266 
   299 
   269 {
 
   302 {
 
   270     Q_UNUSED(painter);
 
   303     Q_UNUSED(painter);
 
   271     Q_UNUSED(option);
 
   304     Q_UNUSED(option);
 
   272     Q_UNUSED(widget);
 
   305     Q_UNUSED(widget);
 
   273 }
 
   306 }
 
       
   307 //! [9]
FCL/sf/mw/qt