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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 QtCore module 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 <QtCore>
+#include <QtGui>
+
+
+class Pixmap : public QGraphicsWidget
+{
+ Q_OBJECT
+
+public:
+ Pixmap(const QPixmap &pix, QGraphicsItem *parent = 0)
+ : QGraphicsWidget(parent), orig(pix), p(pix)
+ {
+ }
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+ {
+ painter->drawPixmap(QPointF(), p);
+ }
+
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent * )
+ {
+ emit clicked();
+ }
+
+ virtual void setGeometry(const QRectF &rect)
+ {
+ QGraphicsWidget::setGeometry(rect);
+
+ if (rect.size().width() > orig.size().width())
+ p = orig.scaled(rect.size().toSize());
+ else
+ p = orig;
+ }
+
+Q_SIGNALS:
+ void clicked();
+
+private:
+ QPixmap orig;
+ QPixmap p;
+};
+
+void createStates(const QObjectList &objects,
+ const QRect &selectedRect, QState *parent)
+{
+ for (int i = 0; i < objects.size(); ++i) {
+ QState *state = new QState(parent);
+ state->assignProperty(objects.at(i), "geometry", selectedRect);
+ parent->addTransition(objects.at(i), SIGNAL(clicked()), state);
+ }
+}
+
+void createAnimations(const QObjectList &objects, QStateMachine *machine)
+{
+ for (int i=0; i<objects.size(); ++i)
+ machine->addDefaultAnimation(new QPropertyAnimation(objects.at(i), "geometry"));
+}
+
+int main(int argc, char **argv)
+{
+ Q_INIT_RESOURCE(appchooser);
+
+ QApplication app(argc, argv);
+
+ Pixmap *p1 = new Pixmap(QPixmap(":/digikam.png"));
+ Pixmap *p2 = new Pixmap(QPixmap(":/akregator.png"));
+ Pixmap *p3 = new Pixmap(QPixmap(":/accessories-dictionary.png"));
+ Pixmap *p4 = new Pixmap(QPixmap(":/k3b.png"));
+
+ p1->setObjectName("p1");
+ p2->setObjectName("p2");
+ p3->setObjectName("p3");
+ p4->setObjectName("p4");
+
+ p1->setGeometry(QRectF(0.0, 0.0, 64.0, 64.0));
+ p2->setGeometry(QRectF(236.0, 0.0, 64.0, 64.0));
+ p3->setGeometry(QRectF(236.0, 236.0, 64.0, 64.0));
+ p4->setGeometry(QRectF(0.0, 236.0, 64.0, 64.0));
+
+ QGraphicsScene scene(0, 0, 300, 300);
+ scene.setBackgroundBrush(Qt::white);
+ scene.addItem(p1);
+ scene.addItem(p2);
+ scene.addItem(p3);
+ scene.addItem(p4);
+
+ QGraphicsView window(&scene);
+ window.setFrameStyle(0);
+ window.setAlignment(Qt::AlignLeft | Qt::AlignTop);
+ window.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ window.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+ QStateMachine machine;
+ machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties);
+
+ QState *group = new QState(machine.rootState());
+ group->setObjectName("group");
+ QRect selectedRect(86, 86, 128, 128);
+
+ QState *idleState = new QState(group);
+ group->setInitialState(idleState);
+
+ QObjectList objects;
+ objects << p1 << p2 << p3 << p4;
+ createStates(objects, selectedRect, group);
+ createAnimations(objects, &machine);
+
+ machine.setInitialState(group);
+ machine.start();
+
+ window.resize(300, 300);
+ window.show();
+
+ return app.exec();
+}
+
+#include "main.moc"