ui_row_column new: my_row_col parent= ui @ "columns" : 2 @ "forceSize" : 1 ;
ui_title new: one_one parent= my_row_col title= "row 1, column 1" create!;
ui_title new: one_two parent= my_row_col title= "row 1, column 2" create!;
ui_title new: two_one parent= my_row_col title= "row 2, column 1" create!;
ui_title new: two_two parent= my_row_col title= "row 2, column 2" create!;
ui_button new: ebutton parent= my_row_col label= "exit" action= bye_bye create!;
actions new: bye_bye tick_actions= "ui exit!";
ui on! start!;