scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
scrollx_adjustment.set_step_increment(abs(pw));
scrollx_adjustment.set_lower(-abs(canvaswidth));
scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
scrollx_adjustment.set_step_increment(abs(pw));
scrollx_adjustment.set_lower(-abs(canvaswidth));