RRJServer/InstructorsAndTrainees/tasks/customdelegate.h

#ifndef CUSTOMDELEGATE_H
#define CUSTOMDELEGATE_H

#include <QApplication>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QStyledItemDelegate>
#include <QPainter>
#include <QStyle>
#include <QItemDelegate>

enum UserRoles {
    UserRole_MergeCell = Qt::UserRole + 1  // Пользовательская роль для хранения признака объединения
};

class CustomDelegate : public QItemDelegate
{
public:
    //using QStyledItemDelegate::QStyledItemDelegate;

    CustomDelegate(QObject *parent = nullptr);

    void paint(QPainter *painter,
               const QStyleOptionViewItem &option,
               const QModelIndex &index) const override;

    QSize sizeHint(const QStyleOptionViewItem &option,
                   const QModelIndex &index) const override;
};

#endif // CUSTOMDELEGATE_H