1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the documentation of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QApplication>

    43 #include <QLabel>

    44 #include <QPropertyAnimation>

    45 #include <QSequentialAnimationGroup>

    46 #include "tracer.h"

    47 

    48 int main(int argc, char *argv[])

    49 {

    50     QApplication app(argc, argv);

    51 

    52     QWidget window;

    53     window.resize(720, 96);

    54     window.show();

    55 

    56     QLabel *label1 = new QLabel(&window);

    57     label1->setPixmap(QPixmap(":/icons/left.png"));

    58     label1->move(16, 16);

    59     label1->show();

    60 

    61     QLabel *label2 = new QLabel(&window);

    62     label2->setPixmap(QPixmap(":/icons/right.png"));

    63     label2->move(320, 16);

    64     label2->show();

    65 

    66     QPropertyAnimation *anim1 = new QPropertyAnimation(label1, "pos");

    67     anim1->setDuration(2500);

    68     anim1->setStartValue(QPoint(16, 16));

    69     anim1->setEndValue(QPoint(320, 16));

    70 

    71     QPropertyAnimation *anim2 = new QPropertyAnimation(label2, "pos");

    72     anim2->setDuration(2500);

    73     anim2->setStartValue(QPoint(320, 16));

    74     anim2->setEndValue(QPoint(640, 16));

    75 

    76     QSequentialAnimationGroup group;

    77     group.addAnimation(anim1);

    78     group.addAnimation(anim2);

    79 

    80     Tracer tracer(&window);

    81 

    82     QObject::connect(anim1, SIGNAL(valueChanged(QVariant)),

    83                      &tracer, SLOT(recordValue(QVariant)));

    84     QObject::connect(anim2, SIGNAL(valueChanged(QVariant)),

    85                      &tracer, SLOT(recordValue(QVariant)));

    86     QObject::connect(anim1, SIGNAL(finished()), &tracer, SLOT(checkValue()));

    87     QObject::connect(anim2, SIGNAL(finished()), &tracer, SLOT(checkValue()));

    88 

    89     group.start();

    90     return app.exec();

    91 }