main.cpp Example File
animation/states/main.cpp/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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> class Pixmap : public QGraphicsObject { Q_OBJECT public: Pixmap(const QPixmap &pix) : QGraphicsObject(), p(pix) { } void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override { painter->drawPixmap(QPointF(), p); } QRectF boundingRect() const override { return QRectF( QPointF(0, 0), p.size()); } private: QPixmap p; }; class GraphicsView : public QGraphicsView { public: GraphicsView(QGraphicsScene *scene) : QGraphicsView(scene) { } void resizeEvent(QResizeEvent *) override { fitInView(sceneRect(), Qt::KeepAspectRatio); } }; int main(int argc, char *argv[]) { Q_INIT_RESOURCE(states); QApplication app(argc, argv); // Text edit and button QTextEdit *edit = new QTextEdit; edit->setText("asdf lkjha yuoiqwe asd iuaysd u iasyd uiy " "asdf lkjha yuoiqwe asd iuaysd u iasyd uiy " "asdf lkjha yuoiqwe asd iuaysd u iasyd uiy " "asdf lkjha yuoiqwe asd iuaysd u iasyd uiy!"); QPushButton *button = new QPushButton; QGraphicsProxyWidget *buttonProxy = new QGraphicsProxyWidget; buttonProxy->setWidget(button); QGraphicsProxyWidget *editProxy = new QGraphicsProxyWidget; editProxy->setWidget(edit); QGroupBox *box = new QGroupBox; box->setFlat(true); box->setTitle("Options"); QVBoxLayout *layout2 = new QVBoxLayout; box->setLayout(layout2); layout2->addWidget(new QRadioButton("Herring")); layout2->addWidget(new QRadioButton("Blue Parrot")); layout2->addWidget(new QRadioButton("Petunias")); layout2->addStretch(); QGraphicsProxyWidget *boxProxy = new QGraphicsProxyWidget; boxProxy->setWidget(box); // Parent widget QGraphicsWidget *widget = new QGraphicsWidget; QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical, widget); layout->addItem(editProxy); layout->addItem(buttonProxy); widget->setLayout(layout); 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")); Pixmap *p5 = new Pixmap(QPixmap(":/help-browser.png")); Pixmap *p6 = new Pixmap(QPixmap(":/kchart.png")); QGraphicsScene scene(0, 0, 400, 300); scene.setBackgroundBrush(scene.palette().window()); scene.addItem(widget); scene.addItem(boxProxy); scene.addItem(p1); scene.addItem(p2); scene.addItem(p3); scene.addItem(p4); scene.addItem(p5); scene.addItem(p6); QStateMachine machine; QState *state1 = new QState(&machine); QState *state2 = new QState(&machine); QState *state3 = new QState(&machine); machine.setInitialState(state1); // State 1 state1->assignProperty(button, "text", "Switch to state 2"); state1->assignProperty(widget, "geometry", QRectF(0, 0, 400, 150)); state1->assignProperty(box, "geometry", QRect(-200, 150, 200, 150)); state1->assignProperty(p1, "pos", QPointF(68, 200)); // 185)); state1->assignProperty(p2, "pos", QPointF(168, 200)); // 185)); state1->assignProperty(p3, "pos", QPointF(268, 200)); // 185)); state1->assignProperty(p4, "pos", QPointF(68 - 150, 48 - 150)); state1->assignProperty(p5, "pos", QPointF(168, 48 - 150)); state1->assignProperty(p6, "pos", QPointF(268 + 150, 48 - 150)); state1->assignProperty(p1, "rotation", qreal(0)); state1->assignProperty(p2, "rotation", qreal(0)); state1->assignProperty(p3, "rotation", qreal(0)); state1->assignProperty(p4, "rotation", qreal(-270)); state1->assignProperty(p5, "rotation", qreal(-90)); state1->assignProperty(p6, "rotation", qreal(270)); state1->assignProperty(boxProxy, "opacity", qreal(0)); state1->assignProperty(p1, "opacity", qreal(1)); state1->assignProperty(p2, "opacity", qreal(1)); state1->assignProperty(p3, "opacity", qreal(1)); state1->assignProperty(p4, "opacity", qreal(0)); state1->assignProperty(p5, "opacity", qreal(0)); state1->assignProperty(p6, "opacity", qreal(0)); // State 2 state2->assignProperty(button, "text", "Switch to state 3"); state2->assignProperty(widget, "geometry", QRectF(200, 150, 200, 150)); state2->assignProperty(box, "geometry", QRect(9, 150, 190, 150)); state2->assignProperty(p1, "pos", QPointF(68 - 150, 185 + 150)); state2->assignProperty(p2, "pos", QPointF(168, 185 + 150)); state2->assignProperty(p3, "pos", QPointF(268 + 150, 185 + 150)); state2->assignProperty(p4, "pos", QPointF(64, 48)); state2->assignProperty(p5, "pos", QPointF(168, 48)); state2->assignProperty(p6, "pos", QPointF(268, 48)); state2->assignProperty(p1, "rotation", qreal(-270)); state2->assignProperty(p2, "rotation", qreal(90)); state2->assignProperty(p3, "rotation", qreal(270)); state2->assignProperty(p4, "rotation", qreal(0)); state2->assignProperty(p5, "rotation", qreal(0)); state2->assignProperty(p6, "rotation", qreal(0)); state2->assignProperty(boxProxy, "opacity", qreal(1)); state2->assignProperty(p1, "opacity", qreal(0)); state2->assignProperty(p2, "opacity", qreal(0)); state2->assignProperty(p3, "opacity", qreal(0)); state2->assignProperty(p4, "opacity", qreal(1)); state2->assignProperty(p5, "opacity", qreal(1)); state2->assignProperty(p6, "opacity", qreal(1)); // State 3 state3->assignProperty(button, "text", "Switch to state 1"); state3->assignProperty(p1, "pos", QPointF(0, 5)); state3->assignProperty(p2, "pos", QPointF(0, 5 + 64 + 5)); state3->assignProperty(p3, "pos", QPointF(5, 5 + (64 + 5) + 64)); state3->assignProperty(p4, "pos", QPointF(5 + 64 + 5, 5)); state3->assignProperty(p5, "pos", QPointF(5 + 64 + 5, 5 + 64 + 5)); state3->assignProperty(p6, "pos", QPointF(5 + 64 + 5, 5 + (64 + 5) + 64)); state3->assignProperty(widget, "geometry", QRectF(138, 5, 400 - 138, 200)); state3->assignProperty(box, "geometry", QRect(5, 205, 400, 90)); state3->assignProperty(p1, "opacity", qreal(1)); state3->assignProperty(p2, "opacity", qreal(1)); state3->assignProperty(p3, "opacity", qreal(1)); state3->assignProperty(p4, "opacity", qreal(1)); state3->assignProperty(p5, "opacity", qreal(1)); state3->assignProperty(p6, "opacity", qreal(1)); QAbstractTransition *t1 = state1->addTransition(button, SIGNAL(clicked()), state2); QSequentialAnimationGroup *animation1SubGroup = new QSequentialAnimationGroup; animation1SubGroup->addPause(250); animation1SubGroup->addAnimation(new QPropertyAnimation(box, "geometry")); t1->addAnimation(animation1SubGroup); t1->addAnimation(new QPropertyAnimation(widget, "geometry")); t1->addAnimation(new QPropertyAnimation(p1, "pos")); t1->addAnimation(new QPropertyAnimation(p2, "pos")); t1->addAnimation(new QPropertyAnimation(p3, "pos")); t1->addAnimation(new QPropertyAnimation(p4, "pos")); t1->addAnimation(new QPropertyAnimation(p5, "pos")); t1->addAnimation(new QPropertyAnimation(p6, "pos")); t1->addAnimation(new QPropertyAnimation(p1, "rotation")); t1->addAnimation(new QPropertyAnimation(p2, "rotation")); t1->addAnimation(new QPropertyAnimation(p3, "rotation")); t1->addAnimation(new QPropertyAnimation(p4, "rotation")); t1->addAnimation(new QPropertyAnimation(p5, "rotation")); t1->addAnimation(new QPropertyAnimation(p6, "rotation")); t1->addAnimation(new QPropertyAnimation(p1, "opacity")); t1->addAnimation(new QPropertyAnimation(p2, "opacity")); t1->addAnimation(new QPropertyAnimation(p3, "opacity")); t1->addAnimation(new QPropertyAnimation(p4, "opacity")); t1->addAnimation(new QPropertyAnimation(p5, "opacity")); t1->addAnimation(new QPropertyAnimation(p6, "opacity")); QAbstractTransition *t2 = state2->addTransition(button, SIGNAL(clicked()), state3); t2->addAnimation(new QPropertyAnimation(box, "geometry")); t2->addAnimation(new QPropertyAnimation(widget, "geometry")); t2->addAnimation(new QPropertyAnimation(p1, "pos")); t2->addAnimation(new QPropertyAnimation(p2, "pos")); t2->addAnimation(new QPropertyAnimation(p3, "pos")); t2->addAnimation(new QPropertyAnimation(p4, "pos")); t2->addAnimation(new QPropertyAnimation(p5, "pos")); t2->addAnimation(new QPropertyAnimation(p6, "pos")); t2->addAnimation(new QPropertyAnimation(p1, "rotation")); t2->addAnimation(new QPropertyAnimation(p2, "rotation")); t2->addAnimation(new QPropertyAnimation(p3, "rotation")); t2->addAnimation(new QPropertyAnimation(p4, "rotation")); t2->addAnimation(new QPropertyAnimation(p5, "rotation")); t2->addAnimation(new QPropertyAnimation(p6, "rotation")); t2->addAnimation(new QPropertyAnimation(p1, "opacity")); t2->addAnimation(new QPropertyAnimation(p2, "opacity")); t2->addAnimation(new QPropertyAnimation(p3, "opacity")); t2->addAnimation(new QPropertyAnimation(p4, "opacity")); t2->addAnimation(new QPropertyAnimation(p5, "opacity")); t2->addAnimation(new QPropertyAnimation(p6, "opacity")); QAbstractTransition *t3 = state3->addTransition(button, SIGNAL(clicked()), state1); t3->addAnimation(new QPropertyAnimation(box, "geometry")); t3->addAnimation(new QPropertyAnimation(widget, "geometry")); t3->addAnimation(new QPropertyAnimation(p1, "pos")); t3->addAnimation(new QPropertyAnimation(p2, "pos")); t3->addAnimation(new QPropertyAnimation(p3, "pos")); t3->addAnimation(new QPropertyAnimation(p4, "pos")); t3->addAnimation(new QPropertyAnimation(p5, "pos")); t3->addAnimation(new QPropertyAnimation(p6, "pos")); t3->addAnimation(new QPropertyAnimation(p1, "rotation")); t3->addAnimation(new QPropertyAnimation(p2, "rotation")); t3->addAnimation(new QPropertyAnimation(p3, "rotation")); t3->addAnimation(new QPropertyAnimation(p4, "rotation")); t3->addAnimation(new QPropertyAnimation(p5, "rotation")); t3->addAnimation(new QPropertyAnimation(p6, "rotation")); t3->addAnimation(new QPropertyAnimation(p1, "opacity")); t3->addAnimation(new QPropertyAnimation(p2, "opacity")); t3->addAnimation(new QPropertyAnimation(p3, "opacity")); t3->addAnimation(new QPropertyAnimation(p4, "opacity")); t3->addAnimation(new QPropertyAnimation(p5, "opacity")); t3->addAnimation(new QPropertyAnimation(p6, "opacity")); machine.start(); GraphicsView view(&scene); view.show(); return app.exec(); } #include "main.moc"