thumbnailmodel.h Example File

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 #ifndef THUMBNAILMODEL_H
 #define THUMBNAILMODEL_H

 #include <qgalleryquerymodel.h>

 #include "thumbnailcache.h"

 QTM_USE_NAMESPACE

 class ThumbnailModel : public QGalleryQueryModel
 {
     Q_OBJECT
 public:
     static const QSize thumbnailSize;

     ThumbnailModel(QAbstractGallery *gallery, QObject *parent = 0);
     ~ThumbnailModel();

     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

 protected:
     virtual QUrl imageUrl(const QModelIndex &index) const;

 private slots:
     void thumbnailLoaded();

 private:
     mutable ThumbnailCache cache;

 };

 #endif