| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
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| ** This file is part of the documentation of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #include <QApplication> |
| #include <QLabel> |
| #include <QPropertyAnimation> |
| #include <QSequentialAnimationGroup> |
| #include "tracer.h" |
| |
| int main(int argc, char *argv[]) |
| { |
| QApplication app(argc, argv); |
| |
| QWidget window; |
| window.resize(720, 96); |
| window.show(); |
| |
| QLabel *label1 = new QLabel(&window); |
| label1->setPixmap(QPixmap(":/icons/left.png")); |
| label1->move(16, 16); |
| label1->show(); |
| |
| QLabel *label2 = new QLabel(&window); |
| label2->setPixmap(QPixmap(":/icons/right.png")); |
| label2->move(320, 16); |
| label2->show(); |
| |
| QPropertyAnimation *anim1 = new QPropertyAnimation(label1, "pos"); |
| anim1->setDuration(2500); |
| anim1->setStartValue(QPoint(16, 16)); |
| anim1->setEndValue(QPoint(320, 16)); |
| |
| QPropertyAnimation *anim2 = new QPropertyAnimation(label2, "pos"); |
| anim2->setDuration(2500); |
| anim2->setStartValue(QPoint(320, 16)); |
| anim2->setEndValue(QPoint(640, 16)); |
| |
| QSequentialAnimationGroup group; |
| group.addAnimation(anim1); |
| group.addAnimation(anim2); |
| |
| Tracer tracer(&window); |
| |
| QObject::connect(anim1, SIGNAL(valueChanged(QVariant)), |
| &tracer, SLOT(recordValue(QVariant))); |
| QObject::connect(anim2, SIGNAL(valueChanged(QVariant)), |
| &tracer, SLOT(recordValue(QVariant))); |
| QObject::connect(anim1, SIGNAL(finished()), &tracer, SLOT(checkValue())); |
| QObject::connect(anim2, SIGNAL(finished()), &tracer, SLOT(checkValue())); |
| |
| group.start(); |
| return app.exec(); |
| } |