Method setWidth

src/Battlescape/Map.cpp:1537–1542

* Special handling for setting the width of the map viewport. * @param width the new base screen width. */

 * @param width the new base screen width.
 */
void Map::setWidth(int width)
{
	int dX = width - getWidth();
	Surface::setWidth(width);
	_message->setX(_message->getX() + dX / 2);
}

/*
 * Get the hidden movement screen's vertical position.