UpdateScroll()

void ScrollBarContainer::UpdateScroll ( int mouse_x, int mouse_y, bool is_dragging )

inlineprotected

См. определение в файле ScrollBarContainer.c строка 164

    {
        m_root.Update();
        Content.Update();
        float width;
    
        m_root.GetScreenSize(width, m_root_height);
        Content.GetScreenSize(width, m_content_height);
        
        if (m_scrolling)
        {
            if (is_dragging)
            {
                float diff = (mouse_y - m_scrolling_mouse_pos);
                float scroller_height = (m_root_height / m_content_height) * m_root_height; 
                m_position = m_scrolling_start_pos + (diff / (m_root_height - scroller_height));
                if (m_position < 0) m_position = 0;
                if (m_position > 1) m_position = 1;
            }
            else
            {
                m_scrolling = false;
                StopScrolling();
            }
        }
        
        UpdateScroller();
    }

Перекрестные ссылки Content, m_content_height, m_position, m_root, m_root_height, m_scrolling, m_scrolling_mouse_pos, m_scrolling_start_pos, StopScrolling() и UpdateScroller().