main.cpp Example File | Qt WebKit Examples 5.9

Qt 5.9 | Qt WebKit Examples | Wheel Scroller Example | main.cpp Example File

Qt 5.9.2 Reference Documentation

# main.cpp Example File

webkitwidgets/scroller/wheel/main.cpp

      /****************************************************************************
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      ** Contact: http://www.qt.io/licensing/
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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"