Function ShowDropDownMenu

src/dropdown.cpp:458–471

* Show a dropdown menu window near a widget of the parent window. * The result code of the items is their index in the \a strings list. * @param w Parent window that wants the dropdown menu. * @param strings Menu list. * @param selected Index of initial selected item. * @param button Button widget number of the parent window \a w that wants the dropdown menu. *

 * @param width         Minimum width of the dropdown menu.
 */
void ShowDropDownMenu(Window *w, std::span<const StringID> strings, int selected, WidgetID button, uint32_t disabled_mask, uint32_t hidden_mask, uint width)
{
	DropDownList list;

	uint i = 0;
	for (auto string : strings) {
		if (!HasBit(hidden_mask, i)) {
			list.push_back(MakeDropDownListStringItem(string, i, HasBit(disabled_mask, i)));
		}
		++i;
	}

	if (!list.empty()) ShowDropDownList(w, std::move(list), selected, button, width, {});
}