C++/Qt/QStackedLayout

Using QStackedLayout

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1. include <QtGui>
2. include <QApplication>

class Widget : public QWidget { public:

   Widget(QWidget *parent = 0);

}; Widget::Widget(QWidget *parent)

   : QWidget(parent)

{

   QWidget *firstPageWidget = new QWidget;
   QWidget *secondPageWidget = new QWidget;
   QWidget *thirdPageWidget = new QWidget;
   QStackedLayout *stackedLayout = new QStackedLayout;
   stackedLayout->addWidget(firstPageWidget);
   stackedLayout->addWidget(secondPageWidget);
   stackedLayout->addWidget(thirdPageWidget);

   QComboBox *pageComboBox = new QComboBox;
   pageComboBox->addItem(tr("Page 1"));
   pageComboBox->addItem(tr("Page 2"));
   pageComboBox->addItem(tr("Page 3"));
   connect(pageComboBox, SIGNAL(activated(int)),
           stackedLayout, SLOT(setCurrentIndex(int)));

   QVBoxLayout *mainLayout = new QVBoxLayout;
   mainLayout->addWidget(pageComboBox);
   mainLayout->addLayout(stackedLayout);
   setLayout(mainLayout);

} int main(int argc, char *argv[]) {

   QApplication app(argc, argv);
   Widget widget;
   widget.show();
   return app.exec();

}

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