--- a/examples/graphicsview/dragdroprobot/robot.cpp Wed Jun 23 19:07:03 2010 +0300
+++ b/examples/graphicsview/dragdroprobot/robot.cpp Tue Jul 06 15:10:48 2010 +0300
@@ -6,35 +6,34 @@
**
** 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 Technology Preview License Agreement accompanying
-** this package.
-**
-** 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.
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
**
-** 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
+** "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."
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -43,16 +42,18 @@
#include "robot.h"
+//! [0]
RobotPart::RobotPart(QGraphicsItem *parent)
- : QGraphicsItem(parent), color(Qt::lightGray), dragOver(false)
+ : QGraphicsObject(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;
update();
@@ -60,34 +61,42 @@
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 = 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)
{
@@ -110,11 +119,33 @@
painter->drawPixmap(QPointF(-15 * 4.4, -50 * 3.54), pixmap);
}
}
+//! [6]
-int RobotHead::type() const
+//! [7]
+void RobotHead::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
{
- return Type;
+ 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)
: RobotPart(parent)
@@ -161,19 +192,25 @@
painter->drawEllipse(-5, -5, 10, 10);
}
-Robot::Robot()
+//! [10]
+Robot::Robot(QGraphicsItem *parent)
+ : RobotPart(parent)
{
- 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);
-
+ 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);
@@ -183,82 +220,78 @@
lowerRightLegItem->setPos(30, 0);
upperLeftLegItem->setPos(-10, 32);
lowerLeftLegItem->setPos(30, 0);
+//! [11]
- timeLine = new QTimeLine;
+//! [12]
+ QParallelAnimationGroup *animation = new QParallelAnimationGroup(this);
- 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);
+ 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]
- 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);
+ 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);
- QGraphicsItemAnimation *lowerRightArmAnimation = new QGraphicsItemAnimation;
- lowerRightArmAnimation->setItem(lowerRightArmItem);
- lowerRightArmAnimation->setTimeLine(timeLine);
- lowerRightArmAnimation->setRotationAt(0, 0);
- lowerRightArmAnimation->setRotationAt(1, -70);
+ 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);
- QGraphicsItemAnimation *upperLeftLegAnimation = new QGraphicsItemAnimation;
- upperLeftLegAnimation->setItem(upperLeftLegItem);
- upperLeftLegAnimation->setTimeLine(timeLine);
- upperLeftLegAnimation->setRotationAt(0, 150);
- upperLeftLegAnimation->setRotationAt(1, 80);
+ QPropertyAnimation *upperLeftLegAnimation = new QPropertyAnimation(upperLeftLegItem, "rotation");
+ upperLeftLegAnimation->setStartValue(150);
+ upperLeftLegAnimation->setEndValue(80);
+ animation->addAnimation(upperLeftLegAnimation);
- QGraphicsItemAnimation *lowerLeftLegAnimation = new QGraphicsItemAnimation;
- lowerLeftLegAnimation->setItem(lowerLeftLegItem);
- lowerLeftLegAnimation->setTimeLine(timeLine);
- lowerLeftLegAnimation->setRotationAt(0, 70);
- lowerLeftLegAnimation->setRotationAt(1, 10);
+ 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);
- 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);
+ 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);
- timeLine->setUpdateInterval(1000 / 25);
- timeLine->setCurveShape(QTimeLine::SineCurve);
- timeLine->setLoopCount(0);
- timeLine->setDuration(2000);
- timeLine->start();
+//! [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]
}
-Robot::~Robot()
-{
- delete timeLine;
-}
-
+//! [9]
QRectF Robot::boundingRect() const
{
return QRectF();
@@ -271,3 +304,4 @@
Q_UNUSED(option);
Q_UNUSED(widget);
}
+//! [9]