CheckboxDelegate.h

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#pragma once
 
#include <QItemDelegate>
 
class QWidget;
class QRect;
 
class CheckboxDelegate : public QItemDelegate
{
    Q_OBJECT
 
public:
    explicit CheckboxDelegate(QObject* parent = nullptr);
 
    void paint(QPainter* painter, const QStyleOptionViewItem& option,
               const QModelIndex& index) const override;
 
    bool editorEvent(QEvent* event, QAbstractItemModel* model,
                     const QStyleOptionViewItem& option,
                     const QModelIndex& index) override;
 
    QSize sizeHint(const QStyleOptionViewItem& option,
                   const QModelIndex& index) const override;
 
private:
    QRect checkboxRect(const QStyleOptionViewItem& viewItemStyleOptions) const;
};