Method SetClicked

src/widget.cpp:1957–1967

* Sets the clicked element in the matrix. * @param clicked The clicked element. */

 * @param clicked The clicked element.
 */
void NWidgetMatrix::SetClicked(int clicked)
{
	this->clicked = clicked;
	if (this->clicked >= 0 && this->sb != nullptr && this->widgets_x != 0) {
		int vpos = (this->clicked / this->widgets_x) * this->widget_h; // Vertical position of the top.
		/* Need to scroll down -> Scroll to the bottom.
		 * However, last entry has no 'this->pip_inter' underneath, and we must stay below this->sb->GetCount() */
		if (this->sb->GetPosition() < vpos) vpos += this->widget_h - this->pip_inter - 1;
		this->sb->ScrollTowards(vpos);
	}
}

/**
 * Set the number of elements in this matrix.