main.cpp Example File | Qt Script

Qt 5.6 | Qt Script | Hello Script Example | main.cpp Example File

Qt 5.6.2 Reference Documentation

# main.cpp Example File

script/helloscript/main.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
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      **
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      #include <QApplication>
      #include <QFile>
      #include <QMessageBox>
      #include <QPushButton>
      #include <QTextStream>
      #include <QTranslator>
      #include <QtScript>

      int main(int argc, char *argv[])
      {
          Q_INIT_RESOURCE(helloscript);

          QApplication app(argc, argv);

          QScriptEngine engine;

          QTranslator translator;
          translator.load("helloscript_la");
          app.installTranslator(&translator);
          engine.installTranslatorFunctions();

          QPushButton button;
          QScriptValue scriptButton = engine.newQObject(&button);
          engine.globalObject().setProperty("button", scriptButton);

          QString fileName(":/helloscript.js");
          QFile scriptFile(fileName);
          scriptFile.open(QIODevice::ReadOnly);
          QTextStream stream(&scriptFile);
          QString contents = stream.readAll();
          scriptFile.close();

      #ifdef Q_OS_SYMBIAN
          contents.replace("button.show()", "button.showMaximized()");
      #endif

          QScriptValue result = engine.evaluate(contents, fileName);

          if (result.isError()) {
              QMessageBox::critical(0, "Hello Script",
                                    QString::fromLatin1("%0:%1: %2")
                                    .arg(fileName)
                                    .arg(result.property("lineNumber").toInt32())
                                    .arg(result.toString()));
              return -1;
          }

          return app.exec();
      }