layout->get_pixel_size(tw, th);
context->move_to (rint(right - tw/2), rint(lr_box_size + step_down - th/2));
context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
layout->get_pixel_size(tw, th);
context->move_to (rint(right - tw/2), rint(lr_box_size + step_down - th/2));
context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));