digraph G { 
   
    rankdir  = RL
    fontname = "Courier New"
    fontsize = 12

    node [
        fontname = "Courier New"
        fontsize = 12
        shape    = "record"
        width = 0.4 
    ]   


   edit_t -> widget_t[arrowhead=empty]
   image_base_t -> widget_t[arrowhead=empty]
   window_base_t -> widget_t[arrowhead=empty]
   label_t -> widget_t[arrowhead=empty]
   button_t -> widget_t[arrowhead=empty]
   color_tile_t -> widget_t[arrowhead=empty]
   combo_box_item_t -> widget_t[arrowhead=empty]
   slider_t -> widget_t[arrowhead=empty]
   progress_bar_t -> widget_t[arrowhead=empty]

   app_bar_t -> widget_t[arrowhead=empty]
   row_t -> widget_t[arrowhead=empty]
   column_t -> widget_t[arrowhead=empty]
   grid_t -> widget_t[arrowhead=empty]
   grid_item_t -> widget_t[arrowhead=empty]
   group_box_t -> widget_t[arrowhead=empty]
   view_t -> widget_t[arrowhead=empty]
   button_group_t -> widget_t[arrowhead=empty]
   dialog_title_t -> widget_t[arrowhead=empty]
   dialog_client_t -> widget_t[arrowhead=empty]
   
   window_t -> window_base_t[arrowhead=empty]
   popup_t -> window_base_t[arrowhead=empty]
   dialog_t -> window_base_t[arrowhead=empty]
   calibration_win_t -> window_base_t[arrowhead=empty]
   system_bar_t -> window_base_t[arrowhead=empty]
   overlay_t -> window_base_t[arrowhead=empty]

   image_t -> image_base_t[arrowhead=empty]
   gif_image_t -> image_base_t[arrowhead=empty]
   svg_image_t -> image_base_t[arrowhead=empty]

   combo_box_t -> edit_t[arrowhead=empty]
   spin_box_t -> edit_t[arrowhead=empty]

   tab_control_t -> widget_t[arrowhead=empty]
   tab_button_t -> widget_t[arrowhead=empty]
   tab_button_group_t -> widget_t[arrowhead=empty]
   group_box_t -> widget_t[arrowhead=empty]
   app_bar_t -> widget_t[arrowhead=empty]
   canvas_widget_t -> widget_t[arrowhead=empty]
   color_picker_t -> widget_t[arrowhead=empty]
   guage_t -> widget_t[arrowhead=empty]
   guage_pointer_t -> widget_t[arrowhead=empty]
   image_animation_t -> widget_t[arrowhead=empty]
   image_value_t -> widget_t[arrowhead=empty]
   keyboard_t -> widget_t[arrowhead=empty]
   progress_circle_t -> widget_t[arrowhead=empty]
   rich_text_t -> widget_t[arrowhead=empty]
   slide_menu_t -> widget_t[arrowhead=empty]
   slide_view_t -> widget_t[arrowhead=empty]
   switch_t -> widget_t[arrowhead=empty]
   text_selector_t -> widget_t[arrowhead=empty]
   time_clock_t -> widget_t[arrowhead=empty]
   digit_clock_t -> widget_t[arrowhead=empty]
   list_view_t -> widget_t[arrowhead=empty]
   list_view_h_t -> widget_t[arrowhead=empty]
   list_item_t -> widget_t[arrowhead=empty]
   scroll_bar_t -> widget_t[arrowhead=empty]
   scroll_view_t -> widget_t[arrowhead=empty]
   mledit_t -> widget_t[arrowhead=empty]
   slide_indicator_t -> widget_t[arrowhead=empty]
   line_number_t -> widget_t[arrowhead=empty]
 }