void OnDropdownSelect(int widget, int index) override

	{

		assert(this->clicked_dropdown);

		SetValue(index);

	}

	void OnDropdownClose(Point, int widget, int, bool) override

	{

		/* We cannot raise the dropdown button just yet. OnClick needs some hint, whether

		 * the same dropdown button was clicked again, and then not open the dropdown again.

		 * So, we only remember that it was closed, and process it on the next OnPaint, which is