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Diffstat (limited to 'examples/widgets/animation/animatedtiles/main.cpp')
| -rw-r--r-- | examples/widgets/animation/animatedtiles/main.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/examples/widgets/animation/animatedtiles/main.cpp b/examples/widgets/animation/animatedtiles/main.cpp new file mode 100644 index 0000000000..50bd33860e --- /dev/null +++ b/examples/widgets/animation/animatedtiles/main.cpp @@ -0,0 +1,256 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 <QtWidgets> +#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->setTransform(QTransform::fromScale(0.75, 0.75), true); + 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" |