* @param type the widget type to check

	 * @return true if it is a button for us

	 */

	bool IsButton(WidgetType type) const

	{

		return type == WWT_IMGBTN || type == WWT_IMGBTN_2 || type == WWT_PUSHIMGBTN;

	}

	void SetupSmallestSize(Window *w, bool init_array)

	{

		this->smallest_x = 0; // Biggest child

		this->smallest_y = 0; // Biggest child

		this->resize_x = 1; // We only resize in this direction

		this->resize_y = 0; // We never resize in this direction

		this->spacers = 0;

		/* First initialise some variables... */

		for (NWidgetBase *child_wid = this->head; child_wid != NULL; child_wid = child_wid->next) {

			child_wid->SetupSmallestSize(w, init_array);

			this->smallest_y = max(this->smallest_y, child_wid->smallest_y + child_wid->padding_top + child_wid->padding_bottom);

			if (this->IsButton(child_wid->type)) {

				this->smallest_x = max(this->smallest_x, child_wid->smallest_x + child_wid->padding_left + child_wid->padding_right);

			} else if (child_wid->type == NWID_SPACER) {

				this->spacers++;