unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
geom.w = max(geom.w, 10*en_width+margin.left+margin.right);
unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
geom.w = max(geom.w, 10*en_width+margin.left+margin.right);