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- /****************************************************************************
- **
- ** Copyright (C) 2010 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.
- **
- ** $QT_BEGIN_LICENSE:BSD$
- ** 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."
- ** $QT_END_LICENSE$
- **
- ****************************************************************************/
- #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"
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