multipagewidget.cpp Example File

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 #include <QtGui>

 #include "multipagewidget.h"

 MultiPageWidget::MultiPageWidget(QWidget *parent)
     : QWidget(parent)
 {
     comboBox = new QComboBox();
     comboBox->setObjectName("__qt__passive_comboBox");
     stackWidget = new QStackedWidget();

     connect(comboBox, SIGNAL(activated(int)),
             this, SLOT(setCurrentIndex(int)));

     layout = new QVBoxLayout();
     layout->addWidget(comboBox);
     layout->addWidget(stackWidget);
     setLayout(layout);
 }

 QSize MultiPageWidget::sizeHint() const
 {
     return QSize(200, 150);
 }

 void MultiPageWidget::addPage(QWidget *page)
 {
     insertPage(count(), page);
 }

 void MultiPageWidget::removePage(int index)
 {
     QWidget *widget = stackWidget->widget(index);
     stackWidget->removeWidget(widget);

     comboBox->removeItem(index);
 }

 int MultiPageWidget::count() const
 {
     return stackWidget->count();
 }

 int MultiPageWidget::currentIndex() const
 {
     return stackWidget->currentIndex();
 }

 void MultiPageWidget::insertPage(int index, QWidget *page)
 {
     page->setParent(stackWidget);

     stackWidget->insertWidget(index, page);

     QString title = page->windowTitle();
     if (title.isEmpty()) {
         title = tr("Page %1").arg(comboBox->count() + 1);
         page->setWindowTitle(title);
     }
     comboBox->insertItem(index, title);
 }

 void MultiPageWidget::setCurrentIndex(int index)
 {
     if (index != currentIndex()) {
         stackWidget->setCurrentIndex(index);
         comboBox->setCurrentIndex(index);
         emit currentIndexChanged(index);
     }
 }

 QWidget* MultiPageWidget::widget(int index)
 {
     return stackWidget->widget(index);
 }

 QString MultiPageWidget::pageTitle() const
 {
     if (const QWidget *currentWidget = stackWidget->currentWidget())
         return currentWidget->windowTitle();
     return QString();
 }

 void MultiPageWidget::setPageTitle(QString const &newTitle)
 {
     comboBox->setItemText(currentIndex(), newTitle);
     if (QWidget *currentWidget = stackWidget->currentWidget())
         currentWidget->setWindowTitle(newTitle);
     emit pageTitleChanged(newTitle);
 }