case WID_AIC_CHANGE: {
				uint change_width = 0;
				static const StringID param[] = {STR_AI_CONFIG_GAMESCRIPT, STR_AI_CONFIG_NONE, STR_AI_CONFIG_AI};
				for (int i = 0; i < lengthof(param); i++) {
					SetDParam(0, param[i]);
					change_width = max(change_width, GetStringBoundingBox(STR_AI_CONFIG_CHANGE).width);
				}
				size->width = change_width + WD_MATRIX_LEFT + WD_MATRIX_RIGHT;
				break;
			}