Qt 5.9 | Qt Widgets | Stickman Example | main.cpp Example File

Qt 5.9.9 Reference Documentation

# main.cpp Example File

animation/stickman/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 "animation.h"
      #include "node.h"
      #include "lifecycle.h"
      #include "stickman.h"
      #include "graphicsview.h"
      #include "rectbutton.h"

      #include <QtCore>
      #include <QtWidgets>

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

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

          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);

          QGraphicsScene scene;
          scene.addItem(stickMan);

          scene.addItem(textItem);
          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);

          view.show();
          view.setFocus();

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

          cycle.addActivity(":/animations/jumping.bin", Qt::Key_J);
          cycle.addActivity(":/animations/dancing.bin", Qt::Key_D);
          cycle.addActivity(":/animations/chilling.bin", Qt::Key_C);

          cycle.start();

          return app.exec();
      }