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# multipagewidget.h Example File
designer/containerextension/multipagewidget.h

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     #ifndef MULTIPAGEWIDGET_H
     #define MULTIPAGEWIDGET_H

     #include <QWidget>

     class QComboBox;
     class QStackedWidget;
     class QVBoxLayout;

     class MultiPageWidget : public QWidget
     {
         Q_OBJECT
         Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex)
         Q_PROPERTY(QString pageTitle READ pageTitle WRITE setPageTitle STORED false)

     public:
         MultiPageWidget(QWidget *parent = 0);

         QSize sizeHint() const;

         int count() const;
         int currentIndex() const;
         QWidget *widget(int index);
         QString pageTitle() const;

     public slots:
         void addPage(QWidget *page);
         void insertPage(int index, QWidget *page);
         void removePage(int index);
         void setPageTitle(QString const &newTitle);
         void setCurrentIndex(int index);

     signals:
         void currentIndexChanged(int index);
         void pageTitleChanged(const QString &title);

     private:
         QStackedWidget *stackWidget;
         QComboBox *comboBox;
         QVBoxLayout *layout;
     };

     #endif