--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/animation/animatedtiles/main.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,257 @@
+/****************************************************************************
+**
+** 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 <QtGui>
+#include <QtCore/qstate.h>
+
+class Pixmap : public QObject, public QGraphicsPixmapItem
+{
+ Q_OBJECT
+ Q_PROPERTY(QPointF pos READ pos WRITE setPos)
+public:
+ Pixmap(const QPixmap &pix)
+ : QObject(), QGraphicsPixmapItem(pix)
+ {
+ setCacheMode(DeviceCoordinateCache);
+ }
+};
+
+class Button : public QGraphicsWidget
+{
+ Q_OBJECT
+public:
+ Button(const QPixmap &pixmap, QGraphicsItem *parent = 0)
+ : QGraphicsWidget(parent), _pix(pixmap)
+ {
+ setAcceptHoverEvents(true);
+ setCacheMode(DeviceCoordinateCache);
+ }
+
+ QRectF boundingRect() const
+ {
+ return QRectF(-65, -65, 130, 130);
+ }
+
+ QPainterPath shape() const
+ {
+ QPainterPath path;
+ path.addEllipse(boundingRect());
+ return path;
+ }
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
+ {
+ bool down = option->state & QStyle::State_Sunken;
+ QRectF r = boundingRect();
+ QLinearGradient grad(r.topLeft(), r.bottomRight());
+ grad.setColorAt(down ? 1 : 0, option->state & QStyle::State_MouseOver ? Qt::white : Qt::lightGray);
+ grad.setColorAt(down ? 0 : 1, Qt::darkGray);
+ painter->setPen(Qt::darkGray);
+ painter->setBrush(grad);
+ painter->drawEllipse(r);
+ QLinearGradient grad2(r.topLeft(), r.bottomRight());
+ grad.setColorAt(down ? 1 : 0, Qt::darkGray);
+ grad.setColorAt(down ? 0 : 1, Qt::lightGray);
+ painter->setPen(Qt::NoPen);
+ painter->setBrush(grad);
+ if (down)
+ painter->translate(2, 2);
+ painter->drawEllipse(r.adjusted(5, 5, -5, -5));
+ painter->drawPixmap(-_pix.width()/2, -_pix.height()/2, _pix);
+ }
+
+signals:
+ void pressed();
+
+protected:
+ void mousePressEvent(QGraphicsSceneMouseEvent *)
+ {
+ emit pressed();
+ update();
+ }
+
+ void mouseReleaseEvent(QGraphicsSceneMouseEvent *)
+ {
+ update();
+ }
+
+private:
+ QPixmap _pix;
+};
+
+class View : public QGraphicsView
+{
+public:
+ View(QGraphicsScene *scene) : QGraphicsView(scene) { }
+
+protected:
+ void resizeEvent(QResizeEvent *event)
+ {
+ QGraphicsView::resizeEvent(event);
+ fitInView(sceneRect(), Qt::KeepAspectRatio);
+ }
+};
+
+int main(int argc, char **argv)
+{
+ Q_INIT_RESOURCE(animatedtiles);
+
+ QApplication app(argc, argv);
+
+ QPixmap kineticPix(":/images/kinetic.png");
+ QPixmap bgPix(":/images/Time-For-Lunch-2.jpg");
+
+ QGraphicsScene scene(-350, -350, 700, 700);
+
+ QList<Pixmap *> items;
+ for (int i = 0; i < 64; ++i) {
+ Pixmap *item = new Pixmap(kineticPix);
+ item->setOffset(-kineticPix.width()/2, -kineticPix.height()/2);
+ item->setZValue(i);
+ items << item;
+ scene.addItem(item);
+ }
+
+ // Buttons
+ QGraphicsItem *buttonParent = new QGraphicsRectItem;
+ Button *ellipseButton = new Button(QPixmap(":/images/ellipse.png"), buttonParent);
+ Button *figure8Button = new Button(QPixmap(":/images/figure8.png"), buttonParent);
+ Button *randomButton = new Button(QPixmap(":/images/random.png"), buttonParent);
+ Button *tiledButton = new Button(QPixmap(":/images/tile.png"), buttonParent);
+ Button *centeredButton = new Button(QPixmap(":/images/centered.png"), buttonParent);
+
+ ellipseButton->setPos(-100, -100);
+ figure8Button->setPos(100, -100);
+ randomButton->setPos(0, 0);
+ tiledButton->setPos(-100, 100);
+ centeredButton->setPos(100, 100);
+
+ scene.addItem(buttonParent);
+ buttonParent->scale(0.75, 0.75);
+ buttonParent->setPos(200, 200);
+ buttonParent->setZValue(65);
+
+ // States
+ QState *rootState = new QState;
+ QState *ellipseState = new QState(rootState);
+ QState *figure8State = new QState(rootState);
+ QState *randomState = new QState(rootState);
+ QState *tiledState = new QState(rootState);
+ QState *centeredState = new QState(rootState);
+
+ // Values
+ for (int i = 0; i < items.count(); ++i) {
+ Pixmap *item = items.at(i);
+ // Ellipse
+ ellipseState->assignProperty(item, "pos",
+ QPointF(cos((i / 63.0) * 6.28) * 250,
+ sin((i / 63.0) * 6.28) * 250));
+
+ // Figure 8
+ figure8State->assignProperty(item, "pos",
+ QPointF(sin((i / 63.0) * 6.28) * 250,
+ sin(((i * 2)/63.0) * 6.28) * 250));
+
+ // Random
+ randomState->assignProperty(item, "pos",
+ QPointF(-250 + qrand() % 500,
+ -250 + qrand() % 500));
+
+ // Tiled
+ tiledState->assignProperty(item, "pos",
+ QPointF(((i % 8) - 4) * kineticPix.width() + kineticPix.width() / 2,
+ ((i / 8) - 4) * kineticPix.height() + kineticPix.height() / 2));
+
+ // Centered
+ centeredState->assignProperty(item, "pos", QPointF());
+ }
+
+ // Ui
+ View *view = new View(&scene);
+ view->setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Animated Tiles"));
+ view->setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+ view->setBackgroundBrush(bgPix);
+ view->setCacheMode(QGraphicsView::CacheBackground);
+ view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+ view->show();
+
+ QStateMachine states;
+ states.addState(rootState);
+ states.setInitialState(rootState);
+ rootState->setInitialState(centeredState);
+
+ QParallelAnimationGroup *group = new QParallelAnimationGroup;
+ for (int i = 0; i < items.count(); ++i) {
+ QPropertyAnimation *anim = new QPropertyAnimation(items[i], "pos");
+ anim->setDuration(750 + i * 25);
+ anim->setEasingCurve(QEasingCurve::InOutBack);
+ group->addAnimation(anim);
+ }
+ QAbstractTransition *trans = rootState->addTransition(ellipseButton, SIGNAL(pressed()), ellipseState);
+ trans->addAnimation(group);
+
+ trans = rootState->addTransition(figure8Button, SIGNAL(pressed()), figure8State);
+ trans->addAnimation(group);
+
+ trans = rootState->addTransition(randomButton, SIGNAL(pressed()), randomState);
+ trans->addAnimation(group);
+
+ trans = rootState->addTransition(tiledButton, SIGNAL(pressed()), tiledState);
+ trans->addAnimation(group);
+
+ trans = rootState->addTransition(centeredButton, SIGNAL(pressed()), centeredState);
+ trans->addAnimation(group);
+
+ QTimer timer;
+ timer.start(125);
+ timer.setSingleShot(true);
+ trans = rootState->addTransition(&timer, SIGNAL(timeout()), ellipseState);
+ trans->addAnimation(group);
+
+ states.start();
+
+#ifdef QT_KEYPAD_NAVIGATION
+ QApplication::setNavigationMode(Qt::NavigationModeCursorAuto);
+#endif
+ return app.exec();
+}
+
+#include "main.moc"