mainwindow.cpp Example File | Qt SCXML 5.7

Qt 5.7 | Qt SCXML | Qt SCXML Pinball Example | mainwindow.cpp Example File

Qt 5.7.1 Reference Documentation

# mainwindow.cpp Example File

pinball/mainwindow.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the QtScxml 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 "mainwindow.h"
      #include "ui_mainwindow.h"

      #include <QStringListModel>
      #include "pinball.h"

      QT_USE_NAMESPACE

      MainWindow::MainWindow(Pinball *machine, QWidget *parent) :
          QWidget(parent),
          m_ui(new Ui::MainWindow),
          m_machine(machine)
      {
          m_ui->setupUi(this);

          // lights
          initAndConnect(QLatin1String("cLightOn"), m_ui->cLabel);
          initAndConnect(QLatin1String("rLightOn"), m_ui->rLabel);
          initAndConnect(QLatin1String("aLightOn"), m_ui->aLabel);
          initAndConnect(QLatin1String("zLightOn"), m_ui->zLabel);
          initAndConnect(QLatin1String("yLightOn"), m_ui->yLabel);
          initAndConnect(QLatin1String("hurryLightOn"), m_ui->hurryLabel);
          initAndConnect(QLatin1String("jackpotLightOn"), m_ui->jackpotLabel);
          initAndConnect(QLatin1String("gameOverLightOn"), m_ui->gameOverLabel);

          // help labels
          initAndConnect(QLatin1String("offState"), m_ui->offStateLabel);
          initAndConnect(QLatin1String("hurryStateOff"), m_ui->normalStateLabel);
          initAndConnect(QLatin1String("hurryStateOn"), m_ui->hurryStateLabel);
          initAndConnect(QLatin1String("jackpotStateOn"), m_ui->jackpotStateLabel);

          // context enablement
          initAndConnect(QLatin1String("offState"), m_ui->startButton);
          initAndConnect(QLatin1String("onState"), m_ui->cButton);
          initAndConnect(QLatin1String("onState"), m_ui->rButton);
          initAndConnect(QLatin1String("onState"), m_ui->aButton);
          initAndConnect(QLatin1String("onState"), m_ui->zButton);
          initAndConnect(QLatin1String("onState"), m_ui->yButton);
          initAndConnect(QLatin1String("onState"), m_ui->ballOutButton);

          // datamodel update
          connect(m_machine, SIGNAL(eventOccurred(const QScxmlEvent &)),
                  this, SLOT(eventOccurred(const QScxmlEvent &)));

          // gui interaction
          connect(m_ui->cButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("cLetterTriggered");
                  });
          connect(m_ui->rButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("rLetterTriggered");
                  });
          connect(m_ui->aButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("aLetterTriggered");
                  });
          connect(m_ui->zButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("zLetterTriggered");
                  });
          connect(m_ui->yButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("yLetterTriggered");
                  });
          connect(m_ui->startButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("startTriggered");
                  });
          connect(m_ui->ballOutButton, &QAbstractButton::clicked,
                  [this] { m_machine->submitEvent("ballOutTriggered");
                  });
      }

      MainWindow::~MainWindow()
      {
          delete m_ui;
      }

      void MainWindow::initAndConnect(const QString &state, QWidget *widget)
      {
          widget->setEnabled(m_machine->isActive(state));
          m_machine->connectToState(state, widget, SLOT(setEnabled(bool)));
      }

      void MainWindow::eventOccurred(const QScxmlEvent &event)
      {
          if (event.originType() != QLatin1String("qt:signal"))
              return;

          if (event.name() != QLatin1String("updateScore"))
              return;

          const QVariant data = event.data();
          const QString highScore = data.toMap().value("highScore").toString();
          m_ui->highScoreLabel->setText(highScore);
          const QString score = data.toMap().value("score").toString();
          m_ui->scoreLabel->setText(score);
      }