struct Viewer {
  MemoryEditor mem_edit;
  
  f32 col_anchor[3];
  f32 col_header[3];
  f32 col_footer[3];
  f32 col_key[3];
  f32 col_tfile_header[3];
  f32 col_tfile_obj[3];
  f32 col_tfile_info[3];
  f32 col_tfile_free[3];
  f32 col_page[3];
  f32 col_page_start[3];
  f32 col_checksum[3];
  f32 col_page_list[3];
  f32 col_highlight[3];

  u64 base_display_addr;
  
  b8  highlight_cluster;
  u64 highlighted_cluster;
  
  u64 latest_page_gone_to;
  u64 latest_key_gone_to;
  u64 latest_checksum_gone_to;
  u64 latest_page_list_gone_to;
};

struct Edit_Bg_Color_Data {
  RNTuple_Data *rndata;
  Viewer viewer;
};