AListModelIndex.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <cstddef>
#include <cstdint>
#include <tuple>
#include <ostream>
 
class AListModelIndex
{
private:
    std::size_t mRow = -1;
    std::size_t mColumn = -1;
 
public:
    AListModelIndex(std::size_t row, std::size_t column)
        : mRow(row),
          mColumn(column)
    {
    }
 
    AListModelIndex(std::size_t row)
        : mRow(row)
    {
    }
 
    AListModelIndex() = default;
 
    std::size_t getRow() const
    {
        return mRow;
    }
 
    std::size_t getColumn() const
    {
        return mColumn;
    }
 
    bool operator==(const AListModelIndex& rhs) const {
        return std::tie(mRow, mColumn) == std::tie(rhs.mRow, rhs.mColumn);
    }
 
    bool operator!=(const AListModelIndex& rhs) const {
        return !(rhs == *this);
    }
 
    inline bool operator<(const AListModelIndex& other) const {
        return hash() < other.hash();
    }
 
    [[nodiscard]] inline uint64_t hash() const {
        uint64_t hash = uint32_t(mRow);
        hash <<= 32u;
        hash |= uint32_t(mColumn);
        return hash;
    }
 
};
 
inline std::ostream& operator<<(std::ostream& o, const AListModelIndex& index) {
    o << "{ " << index.getRow();
    if (index.getColumn() != -1) {
        o << ", " << index.getColumn();
    }
    o << " }";
 
    return o;
}

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.