cell.h

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#pragma once
 
#include "di/math/numeric_limits.h"
#include "di/types/integers.h"
 
namespace ttx::terminal {
struct Cell {
    constexpr static auto max_text_size = (di::NumericLimits<u16>::max >> 4);
 
    u16 graphics_rendition_id { 0 };          
    u16 hyperlink_id { 0 };                   
    u16 multi_cell_id { 0 };                  
    u16 text_size : 12 { 0 };                 
    u16 left_boundary_of_multicell : 1 { 0 }; 
    u16 explicitly_sized : 1 { 0 };           
    u16 complex_grapheme_cluster : 1 { 0 };   
    mutable u16 stale : 1 { false };          
 
    auto is_multi_cell() const { return multi_cell_id != 0; }
    auto is_primary_in_multi_cell() const { return is_multi_cell() && left_boundary_of_multicell; }
    auto is_nonprimary_in_multi_cell() const { return is_multi_cell() && !is_primary_in_multi_cell(); }
 
    auto is_empty() const {
        return graphics_rendition_id == 0 && hyperlink_id == 0 && multi_cell_id == 0 && text_size == 0;
    }
};
}