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spreadsheetdelegate.h Example File
demos/spreadsheet/spreadsheetdelegate.h

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 #ifndef SPREADSHEETDELEGATE_H
 #define SPREADSHEETDELEGATE_H

 #include <QItemDelegate>
 #include "spreadsheet.h"

 class SpreadSheetDelegate : public QItemDelegate
 {
     Q_OBJECT

 public:
     SpreadSheetDelegate(QObject *parent = 0);
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &,
                           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 // SPREADSHEETDELEGATE_H