main.cpp Example File

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 #include "tetrixboard.h"

 #include <QtWidgets/QPushButton>
 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMainWindow>
 #include <QtWidgets/QAction>
 #include <QtScript>
 #include <QUiLoader>

 #ifndef QT_NO_SCRIPTTOOLS
 #include <QtScriptTools>
 #endif

 struct QtMetaObject : private QObject
 {
 public:
     static const QMetaObject *get()
         { return &static_cast<QtMetaObject*>(0)->staticQtMetaObject; }
 };

 class TetrixUiLoader : public QUiLoader
 {
 public:
     TetrixUiLoader(QObject *parent = 0)
         : QUiLoader(parent)
         { }
     virtual QWidget *createWidget(const QString &className, QWidget *parent = 0,
                                   const QString &name = QString())
     {
         if (className == QLatin1String("TetrixBoard")) {
             QWidget *board = new TetrixBoard(parent);
             board->setObjectName(name);
             return board;
         }
         return QUiLoader::createWidget(className, parent, name);
     }
 };

 static QScriptValue evaluateFile(QScriptEngine &engine, const QString &fileName)
 {
     QFile file(fileName);
     file.open(QIODevice::ReadOnly);
     return engine.evaluate(file.readAll(), fileName);
 }

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

     QApplication app(argc, argv);
     QScriptEngine engine;

     QScriptValue Qt = engine.newQMetaObject(QtMetaObject::get());
     Qt.setProperty("App", engine.newQObject(&app));
     engine.globalObject().setProperty("Qt", Qt);

 #if !defined(QT_NO_SCRIPTTOOLS)
     QScriptEngineDebugger debugger;
     debugger.attachTo(&engine);
     QMainWindow *debugWindow = debugger.standardWindow();
     debugWindow->resize(1024, 640);
 #endif

     evaluateFile(engine, ":/tetrixpiece.js");
     evaluateFile(engine, ":/tetrixboard.js");
     evaluateFile(engine, ":/tetrixwindow.js");

     TetrixUiLoader loader;
     QFile uiFile(":/tetrixwindow.ui");
     uiFile.open(QIODevice::ReadOnly);
     QWidget *ui = loader.load(&uiFile);
     uiFile.close();

     QScriptValue ctor = engine.evaluate("TetrixWindow");
     QScriptValue scriptUi = engine.newQObject(ui, QScriptEngine::ScriptOwnership);
     QScriptValue tetrix = ctor.construct(QScriptValueList() << scriptUi);

     QPushButton *debugButton = ui->findChild<QPushButton*>("debugButton");
 #if !defined(QT_NO_SCRIPTTOOLS)
     QObject::connect(debugButton, SIGNAL(clicked()),
                      debugger.action(QScriptEngineDebugger::InterruptAction),
                      SIGNAL(triggered()));
     QObject::connect(debugButton, SIGNAL(clicked()),
                      debugWindow, SLOT(show()));
 #else
     debugButton->hide();
 #endif

     ui->resize(550, 370);
     ui->show();

     qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
     return app.exec();
 }