examples/animation/appchooser/main.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/animation/appchooser/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 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.
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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);
+    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"