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stardelegate.h Example File
itemviews/stardelegate/stardelegate.h

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 #ifndef STARDELEGATE_H
 #define STARDELEGATE_H

 #include <QItemDelegate>

 class StarDelegate : public QItemDelegate
 {
     Q_OBJECT

 public:
     StarDelegate(QWidget *parent = 0) : QItemDelegate(parent) {}

     void paint(QPainter *painter, const QStyleOptionViewItem &option,
                const QModelIndex &index) const;
     QSize sizeHint(const QStyleOptionViewItem &option,
                    const QModelIndex &index) const;
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
                           const QModelIndex &index) const;
     void setEditorData(QWidget *editor, const QModelIndex &index) const;
     void setModelData(QWidget *editor, QAbstractItemModel *model,
                       const QModelIndex &index) const;

 private slots:
     void commitAndCloseEditor();
 };

 #endif