EntityItemDelegate.hpp

/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2026 Marco Craveiro <marco.craveiro@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
#ifndef ORES_QT_ENTITY_ITEM_DELEGATE_HPP
#define ORES_QT_ENTITY_ITEM_DELEGATE_HPP
 
#include <functional>
#include <unordered_map>
#include <vector>
#include <QColor>
#include <QFont>
#include <QStyledItemDelegate>
#include "ores.qt/ColumnMetadata.hpp"
 
namespace ores::qt {
 
struct badge_color_pair {
    QColor background;
    QColor foreground;
};
 
using badge_color_resolver = std::function<badge_color_pair(const QString& value)>;
 
class EntityItemDelegate : public QStyledItemDelegate {
    Q_OBJECT
 
public:
    explicit EntityItemDelegate(std::vector<column_style> styles,
        QObject* parent = nullptr);
 
    void paint(QPainter* painter, const QStyleOptionViewItem& option,
        const QModelIndex& index) const override;
 
    void set_badge_color_resolver(std::size_t column, badge_color_resolver resolver);
 
private:
    std::vector<column_style> styles_;
    QFont monospaceFont_;
    std::unordered_map<std::size_t, badge_color_resolver> column_resolvers_;
};
 
}
 
#endif