Method forEachKey

examples/keyboard/Keyboard.cpp:426–439

    // Template to iterate on scancodes and the corresponding computed rectangle in local coordinates
    template <typename F>
    void forEachKey(F function) const
    {
        sf::Vector2f position;
        for (const auto& [cells, marginBottom] : m_matrix)
        {
            for (const auto& [scancode, size, marginRight] : cells)
            {
                function(scancode, sf::FloatRect(position, size));
                position.x += size.x + marginRight;
            }
            position.x = 0.f;
            position.y += keySize + marginBottom;
        }
    }

    static constexpr float keySize = 54.f;
    static constexpr float padding = 4.f;