261 lines
8.8 KiB
C++
261 lines
8.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include <QtCore/qstate.h>
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class Pixmap : public QObject, public QGraphicsPixmapItem
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{
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Q_OBJECT
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Q_PROPERTY(QPointF pos READ pos WRITE setPos)
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public:
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Pixmap(const QPixmap &pix)
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: QObject(), QGraphicsPixmapItem(pix)
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{
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setCacheMode(DeviceCoordinateCache);
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}
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};
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class Button : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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Button(const QPixmap &pixmap, QGraphicsItem *parent = 0)
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: QGraphicsWidget(parent), _pix(pixmap)
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{
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setAcceptHoverEvents(true);
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setCacheMode(DeviceCoordinateCache);
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}
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QRectF boundingRect() const
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{
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return QRectF(-65, -65, 130, 130);
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}
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QPainterPath shape() const
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{
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QPainterPath path;
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path.addEllipse(boundingRect());
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return path;
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}
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
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{
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bool down = option->state & QStyle::State_Sunken;
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QRectF r = boundingRect();
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QLinearGradient grad(r.topLeft(), r.bottomRight());
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grad.setColorAt(down ? 1 : 0, option->state & QStyle::State_MouseOver ? Qt::white : Qt::lightGray);
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grad.setColorAt(down ? 0 : 1, Qt::darkGray);
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painter->setPen(Qt::darkGray);
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painter->setBrush(grad);
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painter->drawEllipse(r);
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QLinearGradient grad2(r.topLeft(), r.bottomRight());
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grad.setColorAt(down ? 1 : 0, Qt::darkGray);
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grad.setColorAt(down ? 0 : 1, Qt::lightGray);
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painter->setPen(Qt::NoPen);
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painter->setBrush(grad);
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if (down)
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painter->translate(2, 2);
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painter->drawEllipse(r.adjusted(5, 5, -5, -5));
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painter->drawPixmap(-_pix.width()/2, -_pix.height()/2, _pix);
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}
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signals:
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void pressed();
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *)
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{
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emit pressed();
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update();
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}
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *)
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{
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update();
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}
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private:
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QPixmap _pix;
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};
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class View : public QGraphicsView
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{
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public:
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View(QGraphicsScene *scene) : QGraphicsView(scene) { }
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protected:
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void resizeEvent(QResizeEvent *event)
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{
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QGraphicsView::resizeEvent(event);
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fitInView(sceneRect(), Qt::KeepAspectRatio);
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}
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};
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int main(int argc, char **argv)
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{
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Q_INIT_RESOURCE(animatedtiles);
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QApplication app(argc, argv);
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QPixmap kineticPix(":/images/kinetic.png");
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QPixmap bgPix(":/images/Time-For-Lunch-2.jpg");
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QGraphicsScene scene(-350, -350, 700, 700);
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QList<Pixmap *> items;
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for (int i = 0; i < 64; ++i) {
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Pixmap *item = new Pixmap(kineticPix);
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item->setOffset(-kineticPix.width()/2, -kineticPix.height()/2);
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item->setZValue(i);
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items << item;
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scene.addItem(item);
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}
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// Buttons
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QGraphicsItem *buttonParent = new QGraphicsRectItem;
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Button *ellipseButton = new Button(QPixmap(":/images/ellipse.png"), buttonParent);
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Button *figure8Button = new Button(QPixmap(":/images/figure8.png"), buttonParent);
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Button *randomButton = new Button(QPixmap(":/images/random.png"), buttonParent);
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Button *tiledButton = new Button(QPixmap(":/images/tile.png"), buttonParent);
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Button *centeredButton = new Button(QPixmap(":/images/centered.png"), buttonParent);
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ellipseButton->setPos(-100, -100);
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figure8Button->setPos(100, -100);
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randomButton->setPos(0, 0);
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tiledButton->setPos(-100, 100);
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centeredButton->setPos(100, 100);
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scene.addItem(buttonParent);
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buttonParent->scale(0.75, 0.75);
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buttonParent->setPos(200, 200);
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buttonParent->setZValue(65);
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// States
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QState *rootState = new QState;
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QState *ellipseState = new QState(rootState);
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QState *figure8State = new QState(rootState);
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QState *randomState = new QState(rootState);
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QState *tiledState = new QState(rootState);
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QState *centeredState = new QState(rootState);
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// Values
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for (int i = 0; i < items.count(); ++i) {
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Pixmap *item = items.at(i);
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// Ellipse
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ellipseState->assignProperty(item, "pos",
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QPointF(cos((i / 63.0) * 6.28) * 250,
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sin((i / 63.0) * 6.28) * 250));
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// Figure 8
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figure8State->assignProperty(item, "pos",
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QPointF(sin((i / 63.0) * 6.28) * 250,
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sin(((i * 2)/63.0) * 6.28) * 250));
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// Random
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randomState->assignProperty(item, "pos",
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QPointF(-250 + qrand() % 500,
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-250 + qrand() % 500));
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// Tiled
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tiledState->assignProperty(item, "pos",
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QPointF(((i % 8) - 4) * kineticPix.width() + kineticPix.width() / 2,
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((i / 8) - 4) * kineticPix.height() + kineticPix.height() / 2));
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// Centered
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centeredState->assignProperty(item, "pos", QPointF());
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}
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// Ui
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View *view = new View(&scene);
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view->setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Animated Tiles"));
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view->setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
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view->setBackgroundBrush(bgPix);
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view->setCacheMode(QGraphicsView::CacheBackground);
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view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
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#ifdef Q_OS_SYMBIAN
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view->showMaximized();
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#else
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view->show();
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#endif
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QStateMachine states;
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states.addState(rootState);
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states.setInitialState(rootState);
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rootState->setInitialState(centeredState);
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QParallelAnimationGroup *group = new QParallelAnimationGroup;
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for (int i = 0; i < items.count(); ++i) {
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QPropertyAnimation *anim = new QPropertyAnimation(items[i], "pos");
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anim->setDuration(750 + i * 25);
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anim->setEasingCurve(QEasingCurve::InOutBack);
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group->addAnimation(anim);
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}
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QAbstractTransition *trans = rootState->addTransition(ellipseButton, SIGNAL(pressed()), ellipseState);
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trans->addAnimation(group);
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trans = rootState->addTransition(figure8Button, SIGNAL(pressed()), figure8State);
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trans->addAnimation(group);
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trans = rootState->addTransition(randomButton, SIGNAL(pressed()), randomState);
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trans->addAnimation(group);
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trans = rootState->addTransition(tiledButton, SIGNAL(pressed()), tiledState);
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trans->addAnimation(group);
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trans = rootState->addTransition(centeredButton, SIGNAL(pressed()), centeredState);
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trans->addAnimation(group);
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QTimer timer;
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timer.start(125);
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timer.setSingleShot(true);
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trans = rootState->addTransition(&timer, SIGNAL(timeout()), ellipseState);
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trans->addAnimation(group);
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states.start();
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#ifdef QT_KEYPAD_NAVIGATION
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QApplication::setNavigationMode(Qt::NavigationModeCursorAuto);
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#endif
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return app.exec();
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}
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#include "main.moc"
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