main.cpp Example File

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  ** This file is part of the examples of the Qt Toolkit.
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  #include <QtWidgets>
  #include <qmath.h>

  #include "wheelwidget.h"

  class MainWindow : public QMainWindow
  {
      Q_OBJECT
  public:
      MainWindow(bool touch)
          : QMainWindow()
      {
          makeSlotMachine(touch);
          setCentralWidget(m_slotMachine);
      }

      void makeSlotMachine(bool touch)
      {
          if (QApplication::desktop()->width() > 1000) {
              QFont f = font();
              f.setPointSize(f.pointSize() * 2);
              setFont(f);
          }

          m_slotMachine = new QWidget(this);
          QGridLayout *grid = new QGridLayout(m_slotMachine);
          grid->setSpacing(20);

          QStringList colors;
          colors << "Red" << "Magenta" << "Peach" << "Orange" << "Yellow" << "Citro" << "Green" << "Cyan" << "Blue" << "Violet";

          m_wheel1 = new StringWheelWidget(touch);
          m_wheel1->setItems( colors );
          grid->addWidget( m_wheel1, 0, 0 );

          m_wheel2 = new StringWheelWidget(touch);
          m_wheel2->setItems( colors );
          grid->addWidget( m_wheel2, 0, 1 );

          m_wheel3 = new StringWheelWidget(touch);
          m_wheel3->setItems( colors );
          grid->addWidget( m_wheel3, 0, 2 );

          QPushButton *shakeButton = new QPushButton(tr("Shake"));
          connect(shakeButton, SIGNAL(clicked()), this, SLOT(rotateRandom()));

          grid->addWidget( shakeButton, 1, 0, 1, 3 );
      }

  private slots:
      void rotateRandom()
      {
          m_wheel1->scrollTo(m_wheel1->currentIndex() + (qrand() % 200));
          m_wheel2->scrollTo(m_wheel2->currentIndex() + (qrand() % 200));
          m_wheel3->scrollTo(m_wheel3->currentIndex() + (qrand() % 200));
      }

  private:
      QWidget *m_slotMachine;

      StringWheelWidget *m_wheel1;
      StringWheelWidget *m_wheel2;
      StringWheelWidget *m_wheel3;
  };

  int main(int argc, char **argv)
  {
      QApplication a(argc, argv);
      bool touch = a.arguments().contains(QLatin1String("--touch"));
      MainWindow mw(touch);
  #ifdef Q_WS_S60
      mw.showMaximized();
  #else
      mw.show();
  #endif
  #ifdef Q_WS_MAC
      mw.raise();
  #endif
      return a.exec();
  }

  #include "main.moc"