Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

- A
- A
- A
- Print

# main.cpp Example File

animation/stickman/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** 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 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 "animation.h"
     #include "node.h"
     #include "lifecycle.h"
     #include "stickman.h"
     #include "graphicsview.h"
     #include "rectbutton.h"

     #include <QtCore>
     #include <QtGui>

     int main(int argc, char **argv)
     {
         Q_INIT_RESOURCE(stickman);
         QApplication app(argc, argv);

         StickMan *stickMan = new StickMan;
         stickMan->setDrawSticks(false);

     #if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
         RectButton *buttonJump = new RectButton("Jump"); buttonJump->setPos(100, 125);
         RectButton *buttonDance = new RectButton("Dance"); buttonDance->setPos(100, 200);
         RectButton *buttonChill = new RectButton("Chill"); buttonChill->setPos(100, 275);
     #else
         QGraphicsTextItem *textItem = new QGraphicsTextItem();
         textItem->setHtml("<font color=\"white\"><b>Stickman</b>"
             "<p>"
             "Tell the stickman what to do!"
             "</p>"
             "<p><i>"
             "<li>Press <font color=\"purple\">J</font> to make the stickman jump.</li>"
             "<li>Press <font color=\"purple\">D</font> to make the stickman dance.</li>"
             "<li>Press <font color=\"purple\">C</font> to make him chill out.</li>"
             "<li>When you are done, press <font color=\"purple\">Escape</font>.</li>"
             "</i></p>"
             "<p>If he is unlucky, the stickman will get struck by lightning, and never jump, dance or chill out again."
             "</p></font>");
         qreal w = textItem->boundingRect().width();
         QRectF stickManBoundingRect = stickMan->mapToScene(stickMan->boundingRect()).boundingRect();
         textItem->setPos(-w / 2.0, stickManBoundingRect.bottom() + 25.0);
     #endif

         QGraphicsScene scene;
         scene.addItem(stickMan);

     #if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
         scene.addItem(buttonJump);
         scene.addItem(buttonDance);
         scene.addItem(buttonChill);
     #else
         scene.addItem(textItem);
     #endif
         scene.setBackgroundBrush(Qt::black);

         GraphicsView view;
         view.setRenderHints(QPainter::Antialiasing);
         view.setTransformationAnchor(QGraphicsView::NoAnchor);
         view.setScene(&scene);

         QRectF sceneRect = scene.sceneRect();
         // making enough room in the scene for stickman to jump and die
         view.resize(sceneRect.width() + 100, sceneRect.height() + 100);
         view.setSceneRect(sceneRect);

     #if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
         view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
         view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
         view.showMaximized();
         view.fitInView(scene.sceneRect(), Qt::KeepAspectRatio);
     #else
         view.show();
         view.setFocus();
     #endif

         LifeCycle cycle(stickMan, &view);
         cycle.setDeathAnimation(":/animations/dead");

     #if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
         cycle.addActivity(":/animations/jumping", Qt::Key_J, buttonJump, SIGNAL(clicked()));
         cycle.addActivity(":/animations/dancing", Qt::Key_D, buttonDance, SIGNAL(clicked()));
         cycle.addActivity(":/animations/chilling", Qt::Key_C, buttonChill, SIGNAL(clicked()));
     #else
         cycle.addActivity(":/animations/jumping", Qt::Key_J);
         cycle.addActivity(":/animations/dancing", Qt::Key_D);
         cycle.addActivity(":/animations/chilling", Qt::Key_C);
     #endif

         cycle.start();

         return app.exec();
     }