Changeset 846 for trunk/examples/graphicsview/dragdroprobot/robot.cpp

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• examples/graphicsview/dragdroprobot/robot.cpp (modified) (10 diffs)

trunk/examples/graphicsview/dragdroprobot/robot.cpp

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 201 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
@@ -7 +7 @@
 ** This file is part of the examples of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** 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 1.1, 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 have questions regarding the use of this file, please contact
-** Nokia at [email protected].
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
 ** $QT_END_LICENSE$
 **
@@ -44 +43 @@
 #include "robot.h"
 
+
 RobotPart::RobotPart(QGraphicsItem *parent)
-    : QGraphicsItem(parent), color(Qt::lightGray), dragOver(false)
+    : QGraphics(parent), color(Qt::lightGray), dragOver(false)
 {
     setAcceptDrops(true);
 }
-
+//! [0]
+
+//! [1]
 void RobotPart::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
 {
-    if (event->mimeData()->hasColor()
-        || (qgraphicsitem_cast<RobotHead *>(this) && event->mimeData()->hasImage())) {
+    if (event->mimeData()->hasColor()) {
         event->setAccepted(true);
         dragOver = true;
@@ -61 +62 @@
     }
 }
-
+//! [1]
+
+//! [2]
 void RobotPart::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
 {
@@ -68 +71 @@
     update();
 }
-
+//! [2]
+
+//! [3]
 void RobotPart::dropEvent(QGraphicsSceneDragDropEvent *event)
 {
@@ -74 +79 @@
     if (event->mimeData()->hasColor())
         color = qVariantValue<QColor>(event->mimeData()->colorData());
-    else if (event->mimeData()->hasImage())
-        pixmap = qVariantValue<QPixmap>(event->mimeData()->imageData());
     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)
@@ -111 +120 @@
     }
 }
-
-int RobotHead::type() const
-{
-    return Type;
-}
+//! [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 = qVariantValue<QPixmap>(event->mimeData()->imageData());
+        update();
+    } else {
+        RobotPart::dropEvent(event);
+    }
+}
+//! [8]
 
 RobotTorso::RobotTorso(QGraphicsItem *parent)
@@ -162 +193 @@
 }
 
-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);
-    
+//! [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);
@@ -184 +221 @@
     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;
-}
-
+//! [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
 {
@@ -272 +305 @@
     Q_UNUSED(widget);
 }
+